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aff33962 | 1 | /* dnsmasq is Copyright (c) 2000-2015 Simon Kelley |
9e4abcb5 SK |
2 | |
3 | This program is free software; you can redistribute it and/or modify | |
4 | it under the terms of the GNU General Public License as published by | |
824af85b SK |
5 | the Free Software Foundation; version 2 dated June, 1991, or |
6 | (at your option) version 3 dated 29 June, 2007. | |
7 | ||
9e4abcb5 SK |
8 | This program is distributed in the hope that it will be useful, |
9 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | GNU General Public License for more details. | |
824af85b | 12 | |
73a08a24 SK |
13 | You should have received a copy of the GNU General Public License |
14 | along with this program. If not, see <http://www.gnu.org/licenses/>. | |
9e4abcb5 SK |
15 | */ |
16 | ||
849a8357 SK |
17 | /* define this to get facilitynames */ |
18 | #define SYSLOG_NAMES | |
9e4abcb5 | 19 | #include "dnsmasq.h" |
824af85b SK |
20 | #include <setjmp.h> |
21 | ||
7622fc06 SK |
22 | static volatile int mem_recover = 0; |
23 | static jmp_buf mem_jmp; | |
395eb719 | 24 | static int one_file(char *file, int hard_opt); |
7622fc06 | 25 | |
824af85b SK |
26 | /* Solaris headers don't have facility names. */ |
27 | #ifdef HAVE_SOLARIS_NETWORK | |
28 | static const struct { | |
29 | char *c_name; | |
30 | unsigned int c_val; | |
31 | } facilitynames[] = { | |
32 | { "kern", LOG_KERN }, | |
33 | { "user", LOG_USER }, | |
34 | { "mail", LOG_MAIL }, | |
35 | { "daemon", LOG_DAEMON }, | |
36 | { "auth", LOG_AUTH }, | |
37 | { "syslog", LOG_SYSLOG }, | |
38 | { "lpr", LOG_LPR }, | |
39 | { "news", LOG_NEWS }, | |
40 | { "uucp", LOG_UUCP }, | |
824af85b | 41 | { "audit", LOG_AUDIT }, |
824af85b SK |
42 | { "cron", LOG_CRON }, |
43 | { "local0", LOG_LOCAL0 }, | |
44 | { "local1", LOG_LOCAL1 }, | |
45 | { "local2", LOG_LOCAL2 }, | |
46 | { "local3", LOG_LOCAL3 }, | |
47 | { "local4", LOG_LOCAL4 }, | |
48 | { "local5", LOG_LOCAL5 }, | |
49 | { "local6", LOG_LOCAL6 }, | |
50 | { "local7", LOG_LOCAL7 }, | |
51 | { NULL, 0 } | |
52 | }; | |
53 | #endif | |
9e4abcb5 | 54 | |
849a8357 | 55 | #ifndef HAVE_GETOPT_LONG |
9e4abcb5 SK |
56 | struct myoption { |
57 | const char *name; | |
58 | int has_arg; | |
59 | int *flag; | |
60 | int val; | |
61 | }; | |
849a8357 | 62 | #endif |
9e4abcb5 | 63 | |
9009d746 | 64 | #define OPTSTRING "951yZDNLERKzowefnbvhdkqr:m:p:c:l:s:i:t:u:g:a:x:S:C:A:T:H:Q:I:B:F:G:O:M:X:V:U:j:P:J:W:Y:2:4:6:7:8:0:3:" |
9e4abcb5 | 65 | |
1697269c | 66 | /* options which don't have a one-char version */ |
e98bd52e SK |
67 | #define LOPT_RELOAD 256 |
68 | #define LOPT_NO_NAMES 257 | |
69 | #define LOPT_TFTP 258 | |
70 | #define LOPT_SECURE 259 | |
71 | #define LOPT_PREFIX 260 | |
72 | #define LOPT_PTR 261 | |
73 | #define LOPT_BRIDGE 262 | |
74 | #define LOPT_TFTP_MAX 263 | |
75 | #define LOPT_FORCE 264 | |
76 | #define LOPT_NOBLOCK 265 | |
77 | #define LOPT_LOG_OPTS 266 | |
78 | #define LOPT_MAX_LOGS 267 | |
79 | #define LOPT_CIRCUIT 268 | |
80 | #define LOPT_REMOTE 269 | |
81 | #define LOPT_SUBSCR 270 | |
82 | #define LOPT_INTNAME 271 | |
83 | #define LOPT_BANK 272 | |
84 | #define LOPT_DHCP_HOST 273 | |
85 | #define LOPT_APREF 274 | |
86 | #define LOPT_OVERRIDE 275 | |
87 | #define LOPT_TFTPPORTS 276 | |
88 | #define LOPT_REBIND 277 | |
89 | #define LOPT_NOLAST 278 | |
90 | #define LOPT_OPTS 279 | |
91 | #define LOPT_DHCP_OPTS 280 | |
92 | #define LOPT_MATCH 281 | |
93 | #define LOPT_BROADCAST 282 | |
94 | #define LOPT_NEGTTL 283 | |
95 | #define LOPT_ALTPORT 284 | |
96 | #define LOPT_SCRIPTUSR 285 | |
97 | #define LOPT_LOCAL 286 | |
98 | #define LOPT_NAPTR 287 | |
99 | #define LOPT_MINPORT 288 | |
100 | #define LOPT_DHCP_FQDN 289 | |
101 | #define LOPT_CNAME 290 | |
102 | #define LOPT_PXE_PROMT 291 | |
103 | #define LOPT_PXE_SERV 292 | |
104 | #define LOPT_TEST 293 | |
105 | #define LOPT_TAG_IF 294 | |
106 | #define LOPT_PROXY 295 | |
107 | #define LOPT_GEN_NAMES 296 | |
108 | #define LOPT_MAXTTL 297 | |
109 | #define LOPT_NO_REBIND 298 | |
110 | #define LOPT_LOC_REBND 299 | |
111 | #define LOPT_ADD_MAC 300 | |
112 | #define LOPT_DNSSEC 301 | |
113 | #define LOPT_INCR_ADDR 302 | |
114 | #define LOPT_CONNTRACK 303 | |
115 | #define LOPT_FQDN 304 | |
116 | #define LOPT_LUASCRIPT 305 | |
117 | #define LOPT_RA 306 | |
118 | #define LOPT_DUID 307 | |
119 | #define LOPT_HOST_REC 308 | |
120 | #define LOPT_TFTP_LC 309 | |
121 | #define LOPT_RR 310 | |
122 | #define LOPT_CLVERBIND 311 | |
123 | #define LOPT_MAXCTTL 312 | |
124 | #define LOPT_AUTHZONE 313 | |
125 | #define LOPT_AUTHSERV 314 | |
126 | #define LOPT_AUTHTTL 315 | |
127 | #define LOPT_AUTHSOA 316 | |
128 | #define LOPT_AUTHSFS 317 | |
129 | #define LOPT_AUTHPEER 318 | |
130 | #define LOPT_IPSET 319 | |
131 | #define LOPT_SYNTH 320 | |
c630924d | 132 | #ifdef OPTION6_PREFIX_CLASS |
e98bd52e | 133 | #define LOPT_PREF_CLSS 321 |
c630924d | 134 | #endif |
e98bd52e SK |
135 | #define LOPT_RELAY 323 |
136 | #define LOPT_RA_PARAM 324 | |
137 | #define LOPT_ADD_SBNET 325 | |
138 | #define LOPT_QUIET_DHCP 326 | |
139 | #define LOPT_QUIET_DHCP6 327 | |
140 | #define LOPT_QUIET_RA 328 | |
141 | #define LOPT_SEC_VALID 329 | |
142 | #define LOPT_TRUST_ANCHOR 330 | |
143 | #define LOPT_DNSSEC_DEBUG 331 | |
144 | #define LOPT_REV_SERV 332 | |
145 | #define LOPT_SERVERS_FILE 333 | |
146 | #define LOPT_DNSSEC_CHECK 334 | |
c8a80487 | 147 | #define LOPT_LOCAL_SERVICE 335 |
e98bd52e | 148 | #define LOPT_DNSSEC_TIME 336 |
b5ea1cc2 | 149 | #define LOPT_LOOP_DETECT 337 |
32fc6dbe | 150 | #define LOPT_IGNORE_ADDR 338 |
28de3876 | 151 | #define LOPT_MINCTTL 339 |
5f4dc5c6 | 152 | #define LOPT_DHCP_INOTIFY 340 |
70d1873d SK |
153 | #define LOPT_DHOPT_INOTIFY 341 |
154 | #define LOPT_HOST_INOTIFY 342 | |
f6e62e2a | 155 | #define LOPT_DNSSEC_STAMP 343 |
25cf5e37 | 156 | |
849a8357 SK |
157 | #ifdef HAVE_GETOPT_LONG |
158 | static const struct option opts[] = | |
159 | #else | |
160 | static const struct myoption opts[] = | |
161 | #endif | |
162 | { | |
7622fc06 SK |
163 | { "version", 0, 0, 'v' }, |
164 | { "no-hosts", 0, 0, 'h' }, | |
165 | { "no-poll", 0, 0, 'n' }, | |
166 | { "help", 0, 0, 'w' }, | |
167 | { "no-daemon", 0, 0, 'd' }, | |
25cf5e37 | 168 | { "log-queries", 2, 0, 'q' }, |
7622fc06 SK |
169 | { "user", 2, 0, 'u' }, |
170 | { "group", 2, 0, 'g' }, | |
171 | { "resolv-file", 2, 0, 'r' }, | |
7b1eae4f | 172 | { "servers-file", 1, 0, LOPT_SERVERS_FILE }, |
7622fc06 SK |
173 | { "mx-host", 1, 0, 'm' }, |
174 | { "mx-target", 1, 0, 't' }, | |
175 | { "cache-size", 2, 0, 'c' }, | |
176 | { "port", 1, 0, 'p' }, | |
177 | { "dhcp-leasefile", 2, 0, 'l' }, | |
178 | { "dhcp-lease", 1, 0, 'l' }, | |
179 | { "dhcp-host", 1, 0, 'G' }, | |
180 | { "dhcp-range", 1, 0, 'F' }, | |
181 | { "dhcp-option", 1, 0, 'O' }, | |
182 | { "dhcp-boot", 1, 0, 'M' }, | |
183 | { "domain", 1, 0, 's' }, | |
184 | { "domain-suffix", 1, 0, 's' }, | |
185 | { "interface", 1, 0, 'i' }, | |
186 | { "listen-address", 1, 0, 'a' }, | |
c8a80487 | 187 | { "local-service", 0, 0, LOPT_LOCAL_SERVICE }, |
7622fc06 SK |
188 | { "bogus-priv", 0, 0, 'b' }, |
189 | { "bogus-nxdomain", 1, 0, 'B' }, | |
32fc6dbe | 190 | { "ignore-address", 1, 0, LOPT_IGNORE_ADDR }, |
7622fc06 SK |
191 | { "selfmx", 0, 0, 'e' }, |
192 | { "filterwin2k", 0, 0, 'f' }, | |
193 | { "pid-file", 2, 0, 'x' }, | |
194 | { "strict-order", 0, 0, 'o' }, | |
195 | { "server", 1, 0, 'S' }, | |
de73a497 | 196 | { "rev-server", 1, 0, LOPT_REV_SERV }, |
7622fc06 SK |
197 | { "local", 1, 0, LOPT_LOCAL }, |
198 | { "address", 1, 0, 'A' }, | |
199 | { "conf-file", 2, 0, 'C' }, | |
200 | { "no-resolv", 0, 0, 'R' }, | |
201 | { "expand-hosts", 0, 0, 'E' }, | |
202 | { "localmx", 0, 0, 'L' }, | |
203 | { "local-ttl", 1, 0, 'T' }, | |
204 | { "no-negcache", 0, 0, 'N' }, | |
205 | { "addn-hosts", 1, 0, 'H' }, | |
70d1873d | 206 | { "hostsdir", 1, 0, LOPT_HOST_INOTIFY }, |
7622fc06 SK |
207 | { "query-port", 1, 0, 'Q' }, |
208 | { "except-interface", 1, 0, 'I' }, | |
209 | { "no-dhcp-interface", 1, 0, '2' }, | |
210 | { "domain-needed", 0, 0, 'D' }, | |
211 | { "dhcp-lease-max", 1, 0, 'X' }, | |
212 | { "bind-interfaces", 0, 0, 'z' }, | |
213 | { "read-ethers", 0, 0, 'Z' }, | |
214 | { "alias", 1, 0, 'V' }, | |
215 | { "dhcp-vendorclass", 1, 0, 'U' }, | |
216 | { "dhcp-userclass", 1, 0, 'j' }, | |
217 | { "dhcp-ignore", 1, 0, 'J' }, | |
218 | { "edns-packet-max", 1, 0, 'P' }, | |
219 | { "keep-in-foreground", 0, 0, 'k' }, | |
220 | { "dhcp-authoritative", 0, 0, 'K' }, | |
221 | { "srv-host", 1, 0, 'W' }, | |
222 | { "localise-queries", 0, 0, 'y' }, | |
223 | { "txt-record", 1, 0, 'Y' }, | |
9f7f3b12 | 224 | { "dns-rr", 1, 0, LOPT_RR }, |
ad094275 | 225 | { "enable-dbus", 2, 0, '1' }, |
7622fc06 SK |
226 | { "bootp-dynamic", 2, 0, '3' }, |
227 | { "dhcp-mac", 1, 0, '4' }, | |
228 | { "no-ping", 0, 0, '5' }, | |
229 | { "dhcp-script", 1, 0, '6' }, | |
230 | { "conf-dir", 1, 0, '7' }, | |
231 | { "log-facility", 1, 0 ,'8' }, | |
232 | { "leasefile-ro", 0, 0, '9' }, | |
233 | { "dns-forward-max", 1, 0, '0' }, | |
234 | { "clear-on-reload", 0, 0, LOPT_RELOAD }, | |
235 | { "dhcp-ignore-names", 2, 0, LOPT_NO_NAMES }, | |
2937f8a0 | 236 | { "enable-tftp", 2, 0, LOPT_TFTP }, |
7622fc06 SK |
237 | { "tftp-secure", 0, 0, LOPT_SECURE }, |
238 | { "tftp-unique-root", 0, 0, LOPT_APREF }, | |
239 | { "tftp-root", 1, 0, LOPT_PREFIX }, | |
240 | { "tftp-max", 1, 0, LOPT_TFTP_MAX }, | |
61ce600b | 241 | { "tftp-lowercase", 0, 0, LOPT_TFTP_LC }, |
7622fc06 SK |
242 | { "ptr-record", 1, 0, LOPT_PTR }, |
243 | { "naptr-record", 1, 0, LOPT_NAPTR }, | |
244 | { "bridge-interface", 1, 0 , LOPT_BRIDGE }, | |
245 | { "dhcp-option-force", 1, 0, LOPT_FORCE }, | |
246 | { "tftp-no-blocksize", 0, 0, LOPT_NOBLOCK }, | |
247 | { "log-dhcp", 0, 0, LOPT_LOG_OPTS }, | |
248 | { "log-async", 2, 0, LOPT_MAX_LOGS }, | |
249 | { "dhcp-circuitid", 1, 0, LOPT_CIRCUIT }, | |
250 | { "dhcp-remoteid", 1, 0, LOPT_REMOTE }, | |
251 | { "dhcp-subscrid", 1, 0, LOPT_SUBSCR }, | |
252 | { "interface-name", 1, 0, LOPT_INTNAME }, | |
253 | { "dhcp-hostsfile", 1, 0, LOPT_DHCP_HOST }, | |
254 | { "dhcp-optsfile", 1, 0, LOPT_DHCP_OPTS }, | |
5f4dc5c6 | 255 | { "dhcp-hostsdir", 1, 0, LOPT_DHCP_INOTIFY }, |
70d1873d | 256 | { "dhcp-optsdir", 1, 0, LOPT_DHOPT_INOTIFY }, |
7622fc06 SK |
257 | { "dhcp-no-override", 0, 0, LOPT_OVERRIDE }, |
258 | { "tftp-port-range", 1, 0, LOPT_TFTPPORTS }, | |
259 | { "stop-dns-rebind", 0, 0, LOPT_REBIND }, | |
8ef5ada2 | 260 | { "rebind-domain-ok", 1, 0, LOPT_NO_REBIND }, |
7622fc06 SK |
261 | { "all-servers", 0, 0, LOPT_NOLAST }, |
262 | { "dhcp-match", 1, 0, LOPT_MATCH }, | |
8ef5ada2 | 263 | { "dhcp-broadcast", 2, 0, LOPT_BROADCAST }, |
7622fc06 | 264 | { "neg-ttl", 1, 0, LOPT_NEGTTL }, |
8ef5ada2 | 265 | { "max-ttl", 1, 0, LOPT_MAXTTL }, |
28de3876 | 266 | { "min-cache-ttl", 1, 0, LOPT_MINCTTL }, |
1d860415 | 267 | { "max-cache-ttl", 1, 0, LOPT_MAXCTTL }, |
7622fc06 SK |
268 | { "dhcp-alternate-port", 2, 0, LOPT_ALTPORT }, |
269 | { "dhcp-scriptuser", 1, 0, LOPT_SCRIPTUSR }, | |
270 | { "min-port", 1, 0, LOPT_MINPORT }, | |
271 | { "dhcp-fqdn", 0, 0, LOPT_DHCP_FQDN }, | |
272 | { "cname", 1, 0, LOPT_CNAME }, | |
273 | { "pxe-prompt", 1, 0, LOPT_PXE_PROMT }, | |
274 | { "pxe-service", 1, 0, LOPT_PXE_SERV }, | |
275 | { "test", 0, 0, LOPT_TEST }, | |
8ef5ada2 SK |
276 | { "tag-if", 1, 0, LOPT_TAG_IF }, |
277 | { "dhcp-proxy", 2, 0, LOPT_PROXY }, | |
278 | { "dhcp-generate-names", 2, 0, LOPT_GEN_NAMES }, | |
279 | { "rebind-localhost-ok", 0, 0, LOPT_LOC_REBND }, | |
28866e95 | 280 | { "add-mac", 0, 0, LOPT_ADD_MAC }, |
ed4c0767 | 281 | { "add-subnet", 2, 0, LOPT_ADD_SBNET }, |
28866e95 | 282 | { "proxy-dnssec", 0, 0, LOPT_DNSSEC }, |
7de060b0 SK |
283 | { "dhcp-sequential-ip", 0, 0, LOPT_INCR_ADDR }, |
284 | { "conntrack", 0, 0, LOPT_CONNTRACK }, | |
c72daea8 SK |
285 | { "dhcp-client-update", 0, 0, LOPT_FQDN }, |
286 | { "dhcp-luascript", 1, 0, LOPT_LUASCRIPT }, | |
c5ad4e79 | 287 | { "enable-ra", 0, 0, LOPT_RA }, |
8b372704 | 288 | { "dhcp-duid", 1, 0, LOPT_DUID }, |
e759d426 | 289 | { "host-record", 1, 0, LOPT_HOST_REC }, |
54dd393f | 290 | { "bind-dynamic", 0, 0, LOPT_CLVERBIND }, |
4f7b304f SK |
291 | { "auth-zone", 1, 0, LOPT_AUTHZONE }, |
292 | { "auth-server", 1, 0, LOPT_AUTHSERV }, | |
293 | { "auth-ttl", 1, 0, LOPT_AUTHTTL }, | |
294 | { "auth-soa", 1, 0, LOPT_AUTHSOA }, | |
e1ff419c | 295 | { "auth-sec-servers", 1, 0, LOPT_AUTHSFS }, |
49678767 | 296 | { "auth-peer", 1, 0, LOPT_AUTHPEER }, |
13d86c73 | 297 | { "ipset", 1, 0, LOPT_IPSET }, |
2bb73af7 | 298 | { "synth-domain", 1, 0, LOPT_SYNTH }, |
7dbe193b | 299 | { "dnssec", 0, 0, LOPT_SEC_VALID }, |
ee415867 | 300 | { "trust-anchor", 1, 0, LOPT_TRUST_ANCHOR }, |
5b3bf921 | 301 | { "dnssec-debug", 0, 0, LOPT_DNSSEC_DEBUG }, |
00a5b5d4 | 302 | { "dnssec-check-unsigned", 0, 0, LOPT_DNSSEC_CHECK }, |
e98bd52e | 303 | { "dnssec-no-timecheck", 0, 0, LOPT_DNSSEC_TIME }, |
f6e62e2a | 304 | { "dnssec-timestamp", 1, 0, LOPT_DNSSEC_STAMP }, |
c630924d SK |
305 | #ifdef OPTION6_PREFIX_CLASS |
306 | { "dhcp-prefix-class", 1, 0, LOPT_PREF_CLSS }, | |
307 | #endif | |
ff7eea27 | 308 | { "dhcp-relay", 1, 0, LOPT_RELAY }, |
c4cd95df | 309 | { "ra-param", 1, 0, LOPT_RA_PARAM }, |
8c0b73d3 KDB |
310 | { "quiet-dhcp", 0, 0, LOPT_QUIET_DHCP }, |
311 | { "quiet-dhcp6", 0, 0, LOPT_QUIET_DHCP6 }, | |
312 | { "quiet-ra", 0, 0, LOPT_QUIET_RA }, | |
b5ea1cc2 | 313 | { "dns-loop-detect", 0, 0, LOPT_LOOP_DETECT }, |
849a8357 SK |
314 | { NULL, 0, 0, 0 } |
315 | }; | |
9e4abcb5 | 316 | |
28866e95 SK |
317 | |
318 | #define ARG_DUP OPT_LAST | |
319 | #define ARG_ONE OPT_LAST + 1 | |
320 | #define ARG_USED_CL OPT_LAST + 2 | |
321 | #define ARG_USED_FILE OPT_LAST + 3 | |
9e4abcb5 | 322 | |
1a6bca81 SK |
323 | static struct { |
324 | int opt; | |
325 | unsigned int rept; | |
326 | char * const flagdesc; | |
b8187c80 SK |
327 | char * const desc; |
328 | char * const arg; | |
329 | } usage[] = { | |
8ecfaa4a SK |
330 | { 'a', ARG_DUP, "<ipaddr>", gettext_noop("Specify local address(es) to listen on."), NULL }, |
331 | { 'A', ARG_DUP, "/<domain>/<ipaddr>", gettext_noop("Return ipaddr for all hosts in specified domains."), NULL }, | |
1a6bca81 | 332 | { 'b', OPT_BOGUSPRIV, NULL, gettext_noop("Fake reverse lookups for RFC1918 private address ranges."), NULL }, |
8ecfaa4a SK |
333 | { 'B', ARG_DUP, "<ipaddr>", gettext_noop("Treat ipaddr as NXDOMAIN (defeats Verisign wildcard)."), NULL }, |
334 | { 'c', ARG_ONE, "<integer>", gettext_noop("Specify the size of the cache in entries (defaults to %s)."), "$" }, | |
335 | { 'C', ARG_DUP, "<path>", gettext_noop("Specify configuration file (defaults to %s)."), CONFFILE }, | |
1a6bca81 SK |
336 | { 'd', OPT_DEBUG, NULL, gettext_noop("Do NOT fork into the background: run in debug mode."), NULL }, |
337 | { 'D', OPT_NODOTS_LOCAL, NULL, gettext_noop("Do NOT forward queries with no domain part."), NULL }, | |
338 | { 'e', OPT_SELFMX, NULL, gettext_noop("Return self-pointing MX records for local hosts."), NULL }, | |
339 | { 'E', OPT_EXPAND, NULL, gettext_noop("Expand simple names in /etc/hosts with domain-suffix."), NULL }, | |
340 | { 'f', OPT_FILTER, NULL, gettext_noop("Don't forward spurious DNS requests from Windows hosts."), NULL }, | |
8ecfaa4a SK |
341 | { 'F', ARG_DUP, "<ipaddr>,...", gettext_noop("Enable DHCP in the range given with lease duration."), NULL }, |
342 | { 'g', ARG_ONE, "<groupname>", gettext_noop("Change to this group after startup (defaults to %s)."), CHGRP }, | |
1a6bca81 | 343 | { 'G', ARG_DUP, "<hostspec>", gettext_noop("Set address or hostname for a specified machine."), NULL }, |
8ecfaa4a SK |
344 | { LOPT_DHCP_HOST, ARG_DUP, "<path>", gettext_noop("Read DHCP host specs from file."), NULL }, |
345 | { LOPT_DHCP_OPTS, ARG_DUP, "<path>", gettext_noop("Read DHCP option specs from file."), NULL }, | |
5f4dc5c6 | 346 | { LOPT_DHCP_INOTIFY, ARG_DUP, "<path>", gettext_noop("Read DHCP host specs from a directory."), NULL }, |
70d1873d | 347 | { LOPT_DHOPT_INOTIFY, ARG_DUP, "<path>", gettext_noop("Read DHCP options from a directory."), NULL }, |
8ef5ada2 | 348 | { LOPT_TAG_IF, ARG_DUP, "tag-expression", gettext_noop("Evaluate conditional tag expression."), NULL }, |
1a6bca81 | 349 | { 'h', OPT_NO_HOSTS, NULL, gettext_noop("Do NOT load %s file."), HOSTSFILE }, |
8ecfaa4a | 350 | { 'H', ARG_DUP, "<path>", gettext_noop("Specify a hosts file to be read in addition to %s."), HOSTSFILE }, |
70d1873d | 351 | { LOPT_HOST_INOTIFY, ARG_DUP, "<path>", gettext_noop("Read hosts files from a directory."), NULL }, |
8ecfaa4a SK |
352 | { 'i', ARG_DUP, "<interface>", gettext_noop("Specify interface(s) to listen on."), NULL }, |
353 | { 'I', ARG_DUP, "<interface>", gettext_noop("Specify interface(s) NOT to listen on.") , NULL }, | |
8ef5ada2 SK |
354 | { 'j', ARG_DUP, "set:<tag>,<class>", gettext_noop("Map DHCP user class to tag."), NULL }, |
355 | { LOPT_CIRCUIT, ARG_DUP, "set:<tag>,<circuit>", gettext_noop("Map RFC3046 circuit-id to tag."), NULL }, | |
356 | { LOPT_REMOTE, ARG_DUP, "set:<tag>,<remote>", gettext_noop("Map RFC3046 remote-id to tag."), NULL }, | |
357 | { LOPT_SUBSCR, ARG_DUP, "set:<tag>,<remote>", gettext_noop("Map RFC3993 subscriber-id to tag."), NULL }, | |
358 | { 'J', ARG_DUP, "tag:<tag>...", gettext_noop("Don't do DHCP for hosts with tag set."), NULL }, | |
359 | { LOPT_BROADCAST, ARG_DUP, "[=tag:<tag>...]", gettext_noop("Force broadcast replies for hosts with tag set."), NULL }, | |
1a6bca81 SK |
360 | { 'k', OPT_NO_FORK, NULL, gettext_noop("Do NOT fork into the background, do NOT run in debug mode."), NULL }, |
361 | { 'K', OPT_AUTHORITATIVE, NULL, gettext_noop("Assume we are the only DHCP server on the local network."), NULL }, | |
8ecfaa4a | 362 | { 'l', ARG_ONE, "<path>", gettext_noop("Specify where to store DHCP leases (defaults to %s)."), LEASEFILE }, |
1a6bca81 | 363 | { 'L', OPT_LOCALMX, NULL, gettext_noop("Return MX records for local hosts."), NULL }, |
8ecfaa4a | 364 | { 'm', ARG_DUP, "<host_name>,<target>,<pref>", gettext_noop("Specify an MX record."), NULL }, |
1a6bca81 SK |
365 | { 'M', ARG_DUP, "<bootp opts>", gettext_noop("Specify BOOTP options to DHCP server."), NULL }, |
366 | { 'n', OPT_NO_POLL, NULL, gettext_noop("Do NOT poll %s file, reload only on SIGHUP."), RESOLVFILE }, | |
367 | { 'N', OPT_NO_NEG, NULL, gettext_noop("Do NOT cache failed search results."), NULL }, | |
368 | { 'o', OPT_ORDER, NULL, gettext_noop("Use nameservers strictly in the order given in %s."), RESOLVFILE }, | |
369 | { 'O', ARG_DUP, "<optspec>", gettext_noop("Specify options to be sent to DHCP clients."), NULL }, | |
370 | { LOPT_FORCE, ARG_DUP, "<optspec>", gettext_noop("DHCP option sent even if the client does not request it."), NULL}, | |
8ecfaa4a SK |
371 | { 'p', ARG_ONE, "<integer>", gettext_noop("Specify port to listen for DNS requests on (defaults to 53)."), NULL }, |
372 | { 'P', ARG_ONE, "<integer>", gettext_noop("Maximum supported UDP packet size for EDNS.0 (defaults to %s)."), "*" }, | |
25cf5e37 | 373 | { 'q', ARG_DUP, NULL, gettext_noop("Log DNS queries."), NULL }, |
8ecfaa4a | 374 | { 'Q', ARG_ONE, "<integer>", gettext_noop("Force the originating port for upstream DNS queries."), NULL }, |
1a6bca81 | 375 | { 'R', OPT_NO_RESOLV, NULL, gettext_noop("Do NOT read resolv.conf."), NULL }, |
8ecfaa4a | 376 | { 'r', ARG_DUP, "<path>", gettext_noop("Specify path to resolv.conf (defaults to %s)."), RESOLVFILE }, |
7b1eae4f | 377 | { LOPT_SERVERS_FILE, ARG_ONE, "<path>", gettext_noop("Specify path to file with server= options"), NULL }, |
8ecfaa4a | 378 | { 'S', ARG_DUP, "/<domain>/<ipaddr>", gettext_noop("Specify address(es) of upstream servers with optional domains."), NULL }, |
de73a497 | 379 | { LOPT_REV_SERV, ARG_DUP, "<addr>/<prefix>,<ipaddr>", gettext_noop("Specify address of upstream servers for reverse address queries"), NULL }, |
8ecfaa4a | 380 | { LOPT_LOCAL, ARG_DUP, "/<domain>/", gettext_noop("Never forward queries to specified domains."), NULL }, |
9009d746 | 381 | { 's', ARG_DUP, "<domain>[,<range>]", gettext_noop("Specify the domain to be assigned in DHCP leases."), NULL }, |
8ecfaa4a SK |
382 | { 't', ARG_ONE, "<host_name>", gettext_noop("Specify default target in an MX record."), NULL }, |
383 | { 'T', ARG_ONE, "<integer>", gettext_noop("Specify time-to-live in seconds for replies from /etc/hosts."), NULL }, | |
384 | { LOPT_NEGTTL, ARG_ONE, "<integer>", gettext_noop("Specify time-to-live in seconds for negative caching."), NULL }, | |
385 | { LOPT_MAXTTL, ARG_ONE, "<integer>", gettext_noop("Specify time-to-live in seconds for maximum TTL to send to clients."), NULL }, | |
28de3876 R |
386 | { LOPT_MAXCTTL, ARG_ONE, "<integer>", gettext_noop("Specify time-to-live ceiling for cache."), NULL }, |
387 | { LOPT_MINCTTL, ARG_ONE, "<integer>", gettext_noop("Specify time-to-live floor for cache."), NULL }, | |
8ecfaa4a | 388 | { 'u', ARG_ONE, "<username>", gettext_noop("Change to this user after startup. (defaults to %s)."), CHUSER }, |
8ef5ada2 | 389 | { 'U', ARG_DUP, "set:<tag>,<class>", gettext_noop("Map DHCP vendor class to tag."), NULL }, |
1a6bca81 | 390 | { 'v', 0, NULL, gettext_noop("Display dnsmasq version and copyright information."), NULL }, |
8ecfaa4a SK |
391 | { 'V', ARG_DUP, "<ipaddr>,<ipaddr>,<netmask>", gettext_noop("Translate IPv4 addresses from upstream servers."), NULL }, |
392 | { 'W', ARG_DUP, "<name>,<target>,...", gettext_noop("Specify a SRV record."), NULL }, | |
1a6bca81 | 393 | { 'w', 0, NULL, gettext_noop("Display this message. Use --help dhcp for known DHCP options."), NULL }, |
8ecfaa4a SK |
394 | { 'x', ARG_ONE, "<path>", gettext_noop("Specify path of PID file (defaults to %s)."), RUNFILE }, |
395 | { 'X', ARG_ONE, "<integer>", gettext_noop("Specify maximum number of DHCP leases (defaults to %s)."), "&" }, | |
1a6bca81 | 396 | { 'y', OPT_LOCALISE, NULL, gettext_noop("Answer DNS queries based on the interface a query was sent to."), NULL }, |
8ecfaa4a SK |
397 | { 'Y', ARG_DUP, "<name>,<txt>[,<txt]", gettext_noop("Specify TXT DNS record."), NULL }, |
398 | { LOPT_PTR, ARG_DUP, "<name>,<target>", gettext_noop("Specify PTR DNS record."), NULL }, | |
399 | { LOPT_INTNAME, ARG_DUP, "<name>,<interface>", gettext_noop("Give DNS name to IPv4 address of interface."), NULL }, | |
1a6bca81 SK |
400 | { 'z', OPT_NOWILD, NULL, gettext_noop("Bind only to interfaces in use."), NULL }, |
401 | { 'Z', OPT_ETHERS, NULL, gettext_noop("Read DHCP static host information from %s."), ETHERSFILE }, | |
ad094275 | 402 | { '1', ARG_ONE, "[=<busname>]", gettext_noop("Enable the DBus interface for setting upstream servers, etc."), NULL }, |
8ecfaa4a | 403 | { '2', ARG_DUP, "<interface>", gettext_noop("Do not provide DHCP on this interface, only provide DNS."), NULL }, |
8ef5ada2 SK |
404 | { '3', ARG_DUP, "[=tag:<tag>]...", gettext_noop("Enable dynamic address allocation for bootp."), NULL }, |
405 | { '4', ARG_DUP, "set:<tag>,<mac address>", gettext_noop("Map MAC address (with wildcards) to option set."), NULL }, | |
8ecfaa4a | 406 | { LOPT_BRIDGE, ARG_DUP, "<iface>,<alias>..", gettext_noop("Treat DHCP requests on aliases as arriving from interface."), NULL }, |
1a6bca81 | 407 | { '5', OPT_NO_PING, NULL, gettext_noop("Disable ICMP echo address checking in the DHCP server."), NULL }, |
8ecfaa4a SK |
408 | { '6', ARG_ONE, "<path>", gettext_noop("Shell script to run on DHCP lease creation and destruction."), NULL }, |
409 | { LOPT_LUASCRIPT, ARG_DUP, "path", gettext_noop("Lua script to run on DHCP lease creation and destruction."), NULL }, | |
410 | { LOPT_SCRIPTUSR, ARG_ONE, "<username>", gettext_noop("Run lease-change scripts as this user."), NULL }, | |
411 | { '7', ARG_DUP, "<path>", gettext_noop("Read configuration from all the files in this directory."), NULL }, | |
1a6bca81 SK |
412 | { '8', ARG_ONE, "<facilty>|<file>", gettext_noop("Log to this syslog facility or file. (defaults to DAEMON)"), NULL }, |
413 | { '9', OPT_LEASE_RO, NULL, gettext_noop("Do not use leasefile."), NULL }, | |
8ecfaa4a | 414 | { '0', ARG_ONE, "<integer>", gettext_noop("Maximum number of concurrent DNS queries. (defaults to %s)"), "!" }, |
1a6bca81 | 415 | { LOPT_RELOAD, OPT_RELOAD, NULL, gettext_noop("Clear DNS cache when reloading %s."), RESOLVFILE }, |
8ef5ada2 | 416 | { LOPT_NO_NAMES, ARG_DUP, "[=tag:<tag>]...", gettext_noop("Ignore hostnames provided by DHCP clients."), NULL }, |
1a6bca81 | 417 | { LOPT_OVERRIDE, OPT_NO_OVERRIDE, NULL, gettext_noop("Do NOT reuse filename and server fields for extra DHCP options."), NULL }, |
2937f8a0 | 418 | { LOPT_TFTP, ARG_DUP, "[=<intr>[,<intr>]]", gettext_noop("Enable integrated read-only TFTP server."), NULL }, |
8b3ae2fd | 419 | { LOPT_PREFIX, ARG_DUP, "<dir>[,<iface>]", gettext_noop("Export files by TFTP only from the specified subtree."), NULL }, |
1a6bca81 SK |
420 | { LOPT_APREF, OPT_TFTP_APREF, NULL, gettext_noop("Add client IP address to tftp-root."), NULL }, |
421 | { LOPT_SECURE, OPT_TFTP_SECURE, NULL, gettext_noop("Allow access only to files owned by the user running dnsmasq."), NULL }, | |
8ecfaa4a | 422 | { LOPT_TFTP_MAX, ARG_ONE, "<integer>", gettext_noop("Maximum number of conncurrent TFTP transfers (defaults to %s)."), "#" }, |
1a6bca81 | 423 | { LOPT_NOBLOCK, OPT_TFTP_NOBLOCK, NULL, gettext_noop("Disable the TFTP blocksize extension."), NULL }, |
61ce600b | 424 | { LOPT_TFTP_LC, OPT_TFTP_LC, NULL, gettext_noop("Convert TFTP filenames to lowercase"), NULL }, |
1a6bca81 SK |
425 | { LOPT_TFTPPORTS, ARG_ONE, "<start>,<end>", gettext_noop("Ephemeral port range for use by TFTP transfers."), NULL }, |
426 | { LOPT_LOG_OPTS, OPT_LOG_OPTS, NULL, gettext_noop("Extra logging for DHCP."), NULL }, | |
8ecfaa4a | 427 | { LOPT_MAX_LOGS, ARG_ONE, "[=<integer>]", gettext_noop("Enable async. logging; optionally set queue length."), NULL }, |
1a6bca81 | 428 | { LOPT_REBIND, OPT_NO_REBIND, NULL, gettext_noop("Stop DNS rebinding. Filter private IP ranges when resolving."), NULL }, |
8ef5ada2 | 429 | { LOPT_LOC_REBND, OPT_LOCAL_REBIND, NULL, gettext_noop("Allow rebinding of 127.0.0.0/8, for RBL servers."), NULL }, |
8ecfaa4a | 430 | { LOPT_NO_REBIND, ARG_DUP, "/<domain>/", gettext_noop("Inhibit DNS-rebind protection on this domain."), NULL }, |
1a6bca81 | 431 | { LOPT_NOLAST, OPT_ALL_SERVERS, NULL, gettext_noop("Always perform DNS queries to all servers."), NULL }, |
8ef5ada2 | 432 | { LOPT_MATCH, ARG_DUP, "set:<tag>,<optspec>", gettext_noop("Set tag if client includes matching option in request."), NULL }, |
1a6bca81 | 433 | { LOPT_ALTPORT, ARG_ONE, "[=<ports>]", gettext_noop("Use alternative ports for DHCP."), NULL }, |
1a6bca81 SK |
434 | { LOPT_NAPTR, ARG_DUP, "<name>,<naptr>", gettext_noop("Specify NAPTR DNS record."), NULL }, |
435 | { LOPT_MINPORT, ARG_ONE, "<port>", gettext_noop("Specify lowest port available for DNS query transmission."), NULL }, | |
9009d746 | 436 | { LOPT_DHCP_FQDN, OPT_DHCP_FQDN, NULL, gettext_noop("Use only fully qualified domain names for DHCP clients."), NULL }, |
8ecfaa4a SK |
437 | { LOPT_GEN_NAMES, ARG_DUP, "[=tag:<tag>]", gettext_noop("Generate hostnames based on MAC address for nameless clients."), NULL}, |
438 | { LOPT_PROXY, ARG_DUP, "[=<ipaddr>]...", gettext_noop("Use these DHCP relays as full proxies."), NULL }, | |
ff7eea27 | 439 | { LOPT_RELAY, ARG_DUP, "<local-addr>,<server>[,<interface>]", gettext_noop("Relay DHCP requests to a remote server"), NULL}, |
9009d746 | 440 | { LOPT_CNAME, ARG_DUP, "<alias>,<target>", gettext_noop("Specify alias name for LOCAL DNS name."), NULL }, |
7622fc06 SK |
441 | { LOPT_PXE_PROMT, ARG_DUP, "<prompt>,[<timeout>]", gettext_noop("Prompt to send to PXE clients."), NULL }, |
442 | { LOPT_PXE_SERV, ARG_DUP, "<service>", gettext_noop("Boot service for PXE menu."), NULL }, | |
443 | { LOPT_TEST, 0, NULL, gettext_noop("Check configuration syntax."), NULL }, | |
7de060b0 | 444 | { LOPT_ADD_MAC, OPT_ADD_MAC, NULL, gettext_noop("Add requestor's MAC address to forwarded DNS queries."), NULL }, |
ed4c0767 | 445 | { LOPT_ADD_SBNET, ARG_ONE, "<v4 pref>[,<v6 pref>]", gettext_noop("Add requestor's IP subnet to forwarded DNS queries."), NULL }, |
5a4120db | 446 | { LOPT_DNSSEC, OPT_DNSSEC_PROXY, NULL, gettext_noop("Proxy DNSSEC validation results from upstream nameservers."), NULL }, |
7de060b0 SK |
447 | { LOPT_INCR_ADDR, OPT_CONSEC_ADDR, NULL, gettext_noop("Attempt to allocate sequential IP addresses to DHCP clients."), NULL }, |
448 | { LOPT_CONNTRACK, OPT_CONNTRACK, NULL, gettext_noop("Copy connection-track mark from queries to upstream connections."), NULL }, | |
c72daea8 | 449 | { LOPT_FQDN, OPT_FQDN_UPDATE, NULL, gettext_noop("Allow DHCP clients to do their own DDNS updates."), NULL }, |
c5ad4e79 | 450 | { LOPT_RA, OPT_RA, NULL, gettext_noop("Send router-advertisements for interfaces doing DHCPv6"), NULL }, |
8b372704 | 451 | { LOPT_DUID, ARG_ONE, "<enterprise>,<duid>", gettext_noop("Specify DUID_EN-type DHCPv6 server DUID"), NULL }, |
e759d426 | 452 | { LOPT_HOST_REC, ARG_DUP, "<name>,<address>", gettext_noop("Specify host (A/AAAA and PTR) records"), NULL }, |
9f7f3b12 | 453 | { LOPT_RR, ARG_DUP, "<name>,<RR-number>,[<data>]", gettext_noop("Specify arbitrary DNS resource record"), NULL }, |
4f7b304f | 454 | { LOPT_CLVERBIND, OPT_CLEVERBIND, NULL, gettext_noop("Bind to interfaces in use - check for new interfaces"), NULL }, |
86e3b9a0 | 455 | { LOPT_AUTHSERV, ARG_ONE, "<NS>,<interface>", gettext_noop("Export local names to global DNS"), NULL }, |
333b2ceb | 456 | { LOPT_AUTHZONE, ARG_DUP, "<domain>,[<subnet>...]", gettext_noop("Domain to export to global DNS"), NULL }, |
4f7b304f SK |
457 | { LOPT_AUTHTTL, ARG_ONE, "<integer>", gettext_noop("Set TTL for authoritative replies"), NULL }, |
458 | { LOPT_AUTHSOA, ARG_ONE, "<serial>[,...]", gettext_noop("Set authoritive zone information"), NULL }, | |
49678767 SK |
459 | { LOPT_AUTHSFS, ARG_DUP, "<NS>[,<NS>...]", gettext_noop("Secondary authoritative nameservers for forward domains"), NULL }, |
460 | { LOPT_AUTHPEER, ARG_DUP, "<ipaddr>[,<ipaddr>...]", gettext_noop("Peers which are allowed to do zone transfer"), NULL }, | |
13d86c73 | 461 | { LOPT_IPSET, ARG_DUP, "/<domain>/<ipset>[,<ipset>...]", gettext_noop("Specify ipsets to which matching domains should be added"), NULL }, |
a9bf81ad | 462 | { LOPT_SYNTH, ARG_DUP, "<domain>,<range>,[<prefix>]", gettext_noop("Specify a domain and address range for synthesised names"), NULL }, |
3a237152 | 463 | { LOPT_SEC_VALID, OPT_DNSSEC_VALID, NULL, gettext_noop("Activate DNSSEC validation"), NULL }, |
ee415867 | 464 | { LOPT_TRUST_ANCHOR, ARG_DUP, "<domain>,[<class>],...", gettext_noop("Specify trust anchor key digest."), NULL }, |
5b3bf921 | 465 | { LOPT_DNSSEC_DEBUG, OPT_DNSSEC_DEBUG, NULL, gettext_noop("Disable upstream checking for DNSSEC debugging."), NULL }, |
00a5b5d4 | 466 | { LOPT_DNSSEC_CHECK, OPT_DNSSEC_NO_SIGN, NULL, gettext_noop("Ensure answers without DNSSEC are in unsigned zones."), NULL }, |
e98bd52e | 467 | { LOPT_DNSSEC_TIME, OPT_DNSSEC_TIME, NULL, gettext_noop("Don't check DNSSEC signature timestamps until first cache-reload"), NULL }, |
f6e62e2a | 468 | { LOPT_DNSSEC_STAMP, ARG_ONE, "<path>", gettext_noop("Timestamp file to verify system clock for DNSSEC"), NULL }, |
c630924d SK |
469 | #ifdef OPTION6_PREFIX_CLASS |
470 | { LOPT_PREF_CLSS, ARG_DUP, "set:tag,<class>", gettext_noop("Specify DHCPv6 prefix class"), NULL }, | |
471 | #endif | |
c4cd95df | 472 | { LOPT_RA_PARAM, ARG_DUP, "<interface>,[high,|low,]<interval>[,<lifetime>]", gettext_noop("Set priority, resend-interval and router-lifetime"), NULL }, |
8c0b73d3 KDB |
473 | { LOPT_QUIET_DHCP, OPT_QUIET_DHCP, NULL, gettext_noop("Do not log routine DHCP."), NULL }, |
474 | { LOPT_QUIET_DHCP6, OPT_QUIET_DHCP6, NULL, gettext_noop("Do not log routine DHCPv6."), NULL }, | |
475 | { LOPT_QUIET_RA, OPT_QUIET_RA, NULL, gettext_noop("Do not log RA."), NULL }, | |
c8a80487 | 476 | { LOPT_LOCAL_SERVICE, OPT_LOCAL_SERVICE, NULL, gettext_noop("Accept queries only from directly-connected networks"), NULL }, |
b5ea1cc2 | 477 | { LOPT_LOOP_DETECT, OPT_LOOP_DETECT, NULL, gettext_noop("Detect and remove DNS forwarding loops"), NULL }, |
32fc6dbe | 478 | { LOPT_IGNORE_ADDR, ARG_DUP, "<ipaddr>", gettext_noop("Ignore DNS responses containing ipaddr."), NULL }, |
1a6bca81 | 479 | { 0, 0, NULL, NULL, NULL } |
b8187c80 | 480 | }; |
9e4abcb5 | 481 | |
3d8df260 | 482 | /* We hide metacharaters in quoted strings by mapping them into the ASCII control |
f2621c7f | 483 | character space. Note that the \0, \t \b \r \033 and \n characters are carefully placed in the |
3d8df260 SK |
484 | following sequence so that they map to themselves: it is therefore possible to call |
485 | unhide_metas repeatedly on string without breaking things. | |
824af85b | 486 | The transformation gets undone by opt_canonicalise, atoi_check and opt_string_alloc, and a |
f2621c7f SK |
487 | couple of other places. |
488 | Note that space is included here so that | |
489 | --dhcp-option=3, string | |
490 | has five characters, whilst | |
491 | --dhcp-option=3," string" | |
492 | has six. | |
493 | */ | |
3d8df260 | 494 | |
f2621c7f | 495 | static const char meta[] = "\000123456 \b\t\n78\r90abcdefABCDE\033F:,."; |
3d8df260 SK |
496 | |
497 | static char hide_meta(char c) | |
498 | { | |
499 | unsigned int i; | |
500 | ||
501 | for (i = 0; i < (sizeof(meta) - 1); i++) | |
502 | if (c == meta[i]) | |
503 | return (char)i; | |
504 | ||
505 | return c; | |
506 | } | |
507 | ||
508 | static char unhide_meta(char cr) | |
509 | { | |
510 | unsigned int c = cr; | |
511 | ||
512 | if (c < (sizeof(meta) - 1)) | |
513 | cr = meta[c]; | |
514 | ||
515 | return cr; | |
516 | } | |
517 | ||
518 | static void unhide_metas(char *cp) | |
519 | { | |
520 | if (cp) | |
521 | for(; *cp; cp++) | |
522 | *cp = unhide_meta(*cp); | |
523 | } | |
524 | ||
824af85b SK |
525 | static void *opt_malloc(size_t size) |
526 | { | |
527 | void *ret; | |
528 | ||
529 | if (mem_recover) | |
530 | { | |
531 | ret = whine_malloc(size); | |
532 | if (!ret) | |
533 | longjmp(mem_jmp, 1); | |
534 | } | |
535 | else | |
536 | ret = safe_malloc(size); | |
537 | ||
538 | return ret; | |
539 | } | |
540 | ||
541 | static char *opt_string_alloc(char *cp) | |
3d8df260 SK |
542 | { |
543 | char *ret = NULL; | |
544 | ||
545 | if (cp && strlen(cp) != 0) | |
546 | { | |
824af85b | 547 | ret = opt_malloc(strlen(cp)+1); |
3d8df260 SK |
548 | strcpy(ret, cp); |
549 | ||
550 | /* restore hidden metachars */ | |
551 | unhide_metas(ret); | |
552 | } | |
553 | ||
554 | return ret; | |
555 | } | |
556 | ||
f2621c7f SK |
557 | |
558 | /* find next comma, split string with zero and eliminate spaces. | |
559 | return start of string following comma */ | |
73a08a24 SK |
560 | |
561 | static char *split_chr(char *s, char c) | |
3d8df260 | 562 | { |
f2621c7f | 563 | char *comma, *p; |
3d8df260 | 564 | |
73a08a24 | 565 | if (!s || !(comma = strchr(s, c))) |
f2621c7f SK |
566 | return NULL; |
567 | ||
568 | p = comma; | |
569 | *comma = ' '; | |
570 | ||
8ef5ada2 | 571 | for (; *comma == ' '; comma++); |
f2621c7f | 572 | |
8ef5ada2 | 573 | for (; (p >= s) && *p == ' '; p--) |
f2621c7f SK |
574 | *p = 0; |
575 | ||
576 | return comma; | |
3d8df260 SK |
577 | } |
578 | ||
73a08a24 SK |
579 | static char *split(char *s) |
580 | { | |
581 | return split_chr(s, ','); | |
582 | } | |
583 | ||
1f15b81d | 584 | static char *canonicalise_opt(char *s) |
3d8df260 | 585 | { |
1f15b81d SK |
586 | char *ret; |
587 | int nomem; | |
588 | ||
3d8df260 SK |
589 | if (!s) |
590 | return 0; | |
591 | ||
592 | unhide_metas(s); | |
1f15b81d SK |
593 | if (!(ret = canonicalise(s, &nomem)) && nomem) |
594 | { | |
595 | if (mem_recover) | |
596 | longjmp(mem_jmp, 1); | |
597 | else | |
598 | die(_("could not get memory"), NULL, EC_NOMEM); | |
599 | } | |
600 | ||
601 | return ret; | |
3d8df260 SK |
602 | } |
603 | ||
604 | static int atoi_check(char *a, int *res) | |
605 | { | |
606 | char *p; | |
607 | ||
608 | if (!a) | |
609 | return 0; | |
610 | ||
611 | unhide_metas(a); | |
612 | ||
613 | for (p = a; *p; p++) | |
614 | if (*p < '0' || *p > '9') | |
615 | return 0; | |
616 | ||
617 | *res = atoi(a); | |
618 | return 1; | |
619 | } | |
620 | ||
1ad24ae1 SK |
621 | static int atoi_check16(char *a, int *res) |
622 | { | |
623 | if (!(atoi_check(a, res)) || | |
624 | *res < 0 || | |
625 | *res > 0xffff) | |
626 | return 0; | |
627 | ||
628 | return 1; | |
629 | } | |
ee415867 | 630 | |
de73a497 | 631 | #ifdef HAVE_DNSSEC |
ee415867 SK |
632 | static int atoi_check8(char *a, int *res) |
633 | { | |
634 | if (!(atoi_check(a, res)) || | |
635 | *res < 0 || | |
636 | *res > 0xff) | |
637 | return 0; | |
638 | ||
639 | return 1; | |
640 | } | |
de73a497 | 641 | #endif |
1ad24ae1 | 642 | |
fec216df | 643 | static void add_txt(char *name, char *txt, int stat) |
0a852541 | 644 | { |
824af85b | 645 | struct txt_record *r = opt_malloc(sizeof(struct txt_record)); |
fec216df SK |
646 | |
647 | if (txt) | |
648 | { | |
649 | size_t len = strlen(txt); | |
650 | r->txt = opt_malloc(len+1); | |
651 | r->len = len+1; | |
652 | *(r->txt) = len; | |
653 | memcpy((r->txt)+1, txt, len); | |
654 | } | |
0a852541 | 655 | |
fec216df | 656 | r->stat = stat; |
824af85b | 657 | r->name = opt_string_alloc(name); |
0a852541 SK |
658 | r->next = daemon->txt; |
659 | daemon->txt = r; | |
660 | r->class = C_CHAOS; | |
0a852541 | 661 | } |
9e4abcb5 | 662 | |
849a8357 | 663 | static void do_usage(void) |
9e4abcb5 | 664 | { |
849a8357 | 665 | char buff[100]; |
832af0ba SK |
666 | int i, j; |
667 | ||
668 | struct { | |
669 | char handle; | |
670 | int val; | |
671 | } tab[] = { | |
672 | { '$', CACHESIZ }, | |
673 | { '*', EDNS_PKTSZ }, | |
674 | { '&', MAXLEASES }, | |
675 | { '!', FTABSIZ }, | |
676 | { '#', TFTP_MAX_CONNECTIONS }, | |
677 | { '\0', 0 } | |
678 | }; | |
0a852541 | 679 | |
849a8357 SK |
680 | printf(_("Usage: dnsmasq [options]\n\n")); |
681 | #ifndef HAVE_GETOPT_LONG | |
682 | printf(_("Use short options only on the command line.\n")); | |
683 | #endif | |
1a6bca81 | 684 | printf(_("Valid options are:\n")); |
3be34541 | 685 | |
1a6bca81 | 686 | for (i = 0; usage[i].opt != 0; i++) |
9e4abcb5 | 687 | { |
1a6bca81 SK |
688 | char *desc = usage[i].flagdesc; |
689 | char *eq = "="; | |
690 | ||
691 | if (!desc || *desc == '[') | |
692 | eq = ""; | |
693 | ||
694 | if (!desc) | |
695 | desc = ""; | |
696 | ||
697 | for ( j = 0; opts[j].name; j++) | |
698 | if (opts[j].val == usage[i].opt) | |
699 | break; | |
700 | if (usage[i].opt < 256) | |
701 | sprintf(buff, "-%c, ", usage[i].opt); | |
702 | else | |
703 | sprintf(buff, " "); | |
704 | ||
705 | sprintf(buff+4, "--%s%s%s", opts[j].name, eq, desc); | |
8ef5ada2 | 706 | printf("%-40.40s", buff); |
1a6bca81 | 707 | |
849a8357 | 708 | if (usage[i].arg) |
0a852541 | 709 | { |
832af0ba SK |
710 | strcpy(buff, usage[i].arg); |
711 | for (j = 0; tab[j].handle; j++) | |
712 | if (tab[j].handle == *(usage[i].arg)) | |
713 | sprintf(buff, "%d", tab[j].val); | |
0a852541 | 714 | } |
849a8357 SK |
715 | printf(_(usage[i].desc), buff); |
716 | printf("\n"); | |
717 | } | |
718 | } | |
0a852541 | 719 | |
c740e4f3 SK |
720 | #define ret_err(x) do { strcpy(errstr, (x)); return 0; } while (0) |
721 | ||
faafb3f7 SK |
722 | char *parse_server(char *arg, union mysockaddr *addr, union mysockaddr *source_addr, char *interface, int *flags) |
723 | { | |
724 | int source_port = 0, serv_port = NAMESERVER_PORT; | |
725 | char *portno, *source; | |
726 | #ifdef HAVE_IPV6 | |
727 | int scope_index = 0; | |
728 | char *scope_id; | |
729 | #endif | |
730 | ||
d68c2ca2 SK |
731 | if (!arg || strlen(arg) == 0) |
732 | { | |
733 | *flags |= SERV_NO_ADDR; | |
734 | *interface = 0; | |
735 | return NULL; | |
736 | } | |
737 | ||
faafb3f7 SK |
738 | if ((source = split_chr(arg, '@')) && /* is there a source. */ |
739 | (portno = split_chr(source, '#')) && | |
740 | !atoi_check16(portno, &source_port)) | |
741 | return _("bad port"); | |
742 | ||
743 | if ((portno = split_chr(arg, '#')) && /* is there a port no. */ | |
744 | !atoi_check16(portno, &serv_port)) | |
745 | return _("bad port"); | |
746 | ||
747 | #ifdef HAVE_IPV6 | |
748 | scope_id = split_chr(arg, '%'); | |
749 | #endif | |
750 | ||
ddd9a6b4 | 751 | if (inet_pton(AF_INET, arg, &addr->in.sin_addr) > 0) |
faafb3f7 SK |
752 | { |
753 | addr->in.sin_port = htons(serv_port); | |
754 | addr->sa.sa_family = source_addr->sa.sa_family = AF_INET; | |
755 | #ifdef HAVE_SOCKADDR_SA_LEN | |
756 | source_addr->in.sin_len = addr->in.sin_len = sizeof(struct sockaddr_in); | |
757 | #endif | |
758 | source_addr->in.sin_addr.s_addr = INADDR_ANY; | |
759 | source_addr->in.sin_port = htons(daemon->query_port); | |
760 | ||
761 | if (source) | |
762 | { | |
763 | if (flags) | |
764 | *flags |= SERV_HAS_SOURCE; | |
765 | source_addr->in.sin_port = htons(source_port); | |
ddd9a6b4 | 766 | if (!(inet_pton(AF_INET, source, &source_addr->in.sin_addr) > 0)) |
faafb3f7 SK |
767 | { |
768 | #if defined(SO_BINDTODEVICE) | |
769 | source_addr->in.sin_addr.s_addr = INADDR_ANY; | |
770 | strncpy(interface, source, IF_NAMESIZE - 1); | |
771 | #else | |
772 | return _("interface binding not supported"); | |
773 | #endif | |
774 | } | |
775 | } | |
776 | } | |
777 | #ifdef HAVE_IPV6 | |
778 | else if (inet_pton(AF_INET6, arg, &addr->in6.sin6_addr) > 0) | |
779 | { | |
780 | if (scope_id && (scope_index = if_nametoindex(scope_id)) == 0) | |
781 | return _("bad interface name"); | |
782 | ||
783 | addr->in6.sin6_port = htons(serv_port); | |
784 | addr->in6.sin6_scope_id = scope_index; | |
785 | source_addr->in6.sin6_addr = in6addr_any; | |
786 | source_addr->in6.sin6_port = htons(daemon->query_port); | |
787 | source_addr->in6.sin6_scope_id = 0; | |
788 | addr->sa.sa_family = source_addr->sa.sa_family = AF_INET6; | |
789 | addr->in6.sin6_flowinfo = source_addr->in6.sin6_flowinfo = 0; | |
790 | #ifdef HAVE_SOCKADDR_SA_LEN | |
791 | addr->in6.sin6_len = source_addr->in6.sin6_len = sizeof(addr->in6); | |
792 | #endif | |
793 | if (source) | |
794 | { | |
795 | if (flags) | |
796 | *flags |= SERV_HAS_SOURCE; | |
797 | source_addr->in6.sin6_port = htons(source_port); | |
798 | if (inet_pton(AF_INET6, source, &source_addr->in6.sin6_addr) == 0) | |
799 | { | |
800 | #if defined(SO_BINDTODEVICE) | |
801 | source_addr->in6.sin6_addr = in6addr_any; | |
802 | strncpy(interface, source, IF_NAMESIZE - 1); | |
803 | #else | |
804 | return _("interface binding not supported"); | |
805 | #endif | |
806 | } | |
807 | } | |
808 | } | |
809 | #endif | |
810 | else | |
811 | return _("bad address"); | |
812 | ||
813 | return NULL; | |
814 | } | |
815 | ||
de73a497 SK |
816 | static struct server *add_rev4(struct in_addr addr, int msize) |
817 | { | |
818 | struct server *serv = opt_malloc(sizeof(struct server)); | |
819 | in_addr_t a = ntohl(addr.s_addr) >> 8; | |
820 | char *p; | |
821 | ||
822 | memset(serv, 0, sizeof(struct server)); | |
823 | p = serv->domain = opt_malloc(25); /* strlen("xxx.yyy.zzz.in-addr.arpa")+1 */ | |
824 | ||
825 | if (msize == 24) | |
826 | p += sprintf(p, "%d.", a & 0xff); | |
827 | a = a >> 8; | |
828 | if (msize != 8) | |
829 | p += sprintf(p, "%d.", a & 0xff); | |
830 | a = a >> 8; | |
831 | p += sprintf(p, "%d.in-addr.arpa", a & 0xff); | |
832 | ||
833 | serv->flags = SERV_HAS_DOMAIN; | |
834 | serv->next = daemon->servers; | |
835 | daemon->servers = serv; | |
836 | ||
837 | return serv; | |
838 | ||
839 | } | |
840 | ||
841 | static struct server *add_rev6(struct in6_addr *addr, int msize) | |
842 | { | |
843 | struct server *serv = opt_malloc(sizeof(struct server)); | |
844 | char *p; | |
845 | int i; | |
846 | ||
847 | memset(serv, 0, sizeof(struct server)); | |
848 | p = serv->domain = opt_malloc(73); /* strlen("32*<n.>ip6.arpa")+1 */ | |
849 | ||
850 | for (i = msize-1; i >= 0; i -= 4) | |
851 | { | |
852 | int dig = ((unsigned char *)addr)[i>>3]; | |
853 | p += sprintf(p, "%.1x.", (i>>2) & 1 ? dig & 15 : dig >> 4); | |
854 | } | |
855 | p += sprintf(p, "ip6.arpa"); | |
856 | ||
857 | serv->flags = SERV_HAS_DOMAIN; | |
858 | serv->next = daemon->servers; | |
859 | daemon->servers = serv; | |
860 | ||
861 | return serv; | |
862 | } | |
863 | ||
b5a8dd1d SK |
864 | #ifdef HAVE_DHCP |
865 | ||
866 | static int is_tag_prefix(char *arg) | |
867 | { | |
868 | if (arg && (strstr(arg, "net:") == arg || strstr(arg, "tag:") == arg)) | |
869 | return 1; | |
870 | ||
871 | return 0; | |
872 | } | |
873 | ||
874 | static char *set_prefix(char *arg) | |
875 | { | |
876 | if (strstr(arg, "set:") == arg) | |
877 | return arg+4; | |
878 | ||
879 | return arg; | |
880 | } | |
881 | ||
832af0ba | 882 | /* This is too insanely large to keep in-line in the switch */ |
c4a7f90e | 883 | static int parse_dhcp_opt(char *errstr, char *arg, int flags) |
832af0ba | 884 | { |
824af85b | 885 | struct dhcp_opt *new = opt_malloc(sizeof(struct dhcp_opt)); |
832af0ba | 886 | char lenchar = 0, *cp; |
40ef23b5 | 887 | int addrs, digs, is_addr, is_addr6, is_hex, is_dec, is_string, dots; |
c4a7f90e | 888 | char *comma = NULL; |
f2621c7f | 889 | struct dhcp_netid *np = NULL; |
4cb1b320 SK |
890 | u16 opt_len = 0; |
891 | int is6 = 0; | |
bd08ae67 | 892 | int option_ok = 0; |
832af0ba SK |
893 | |
894 | new->len = 0; | |
824af85b | 895 | new->flags = flags; |
832af0ba SK |
896 | new->netid = NULL; |
897 | new->val = NULL; | |
f2621c7f | 898 | new->opt = 0; |
832af0ba | 899 | |
f2621c7f | 900 | while (arg) |
832af0ba | 901 | { |
f2621c7f SK |
902 | comma = split(arg); |
903 | ||
904 | for (cp = arg; *cp; cp++) | |
905 | if (*cp < '0' || *cp > '9') | |
906 | break; | |
832af0ba | 907 | |
f2621c7f SK |
908 | if (!*cp) |
909 | { | |
910 | new->opt = atoi(arg); | |
911 | opt_len = 0; | |
bd08ae67 | 912 | option_ok = 1; |
832af0ba | 913 | break; |
f2621c7f SK |
914 | } |
915 | ||
916 | if (strstr(arg, "option:") == arg) | |
917 | { | |
bd08ae67 SK |
918 | if ((new->opt = lookup_dhcp_opt(AF_INET, arg+7)) != -1) |
919 | { | |
920 | opt_len = lookup_dhcp_len(AF_INET, new->opt); | |
921 | /* option:<optname> must follow tag and vendor string. */ | |
922 | if (!(opt_len & OT_INTERNAL) || flags == DHOPT_MATCH) | |
923 | option_ok = 1; | |
924 | } | |
f2621c7f SK |
925 | break; |
926 | } | |
4cb1b320 SK |
927 | #ifdef HAVE_DHCP6 |
928 | else if (strstr(arg, "option6:") == arg) | |
929 | { | |
930 | for (cp = arg+8; *cp; cp++) | |
931 | if (*cp < '0' || *cp > '9') | |
932 | break; | |
933 | ||
934 | if (!*cp) | |
935 | { | |
936 | new->opt = atoi(arg+8); | |
937 | opt_len = 0; | |
bd08ae67 | 938 | option_ok = 1; |
4cb1b320 SK |
939 | } |
940 | else | |
40ef23b5 | 941 | { |
bd08ae67 SK |
942 | if ((new->opt = lookup_dhcp_opt(AF_INET6, arg+8)) != -1) |
943 | { | |
944 | opt_len = lookup_dhcp_len(AF_INET6, new->opt); | |
945 | if (!(opt_len & OT_INTERNAL) || flags == DHOPT_MATCH) | |
946 | option_ok = 1; | |
947 | } | |
40ef23b5 | 948 | } |
4cb1b320 SK |
949 | /* option6:<opt>|<optname> must follow tag and vendor string. */ |
950 | is6 = 1; | |
951 | break; | |
952 | } | |
953 | #endif | |
f2621c7f SK |
954 | else if (strstr(arg, "vendor:") == arg) |
955 | { | |
73a08a24 SK |
956 | new->u.vendor_class = (unsigned char *)opt_string_alloc(arg+7); |
957 | new->flags |= DHOPT_VENDOR; | |
958 | } | |
959 | else if (strstr(arg, "encap:") == arg) | |
960 | { | |
961 | new->u.encap = atoi(arg+6); | |
f2621c7f SK |
962 | new->flags |= DHOPT_ENCAPSULATE; |
963 | } | |
316e2730 SK |
964 | else if (strstr(arg, "vi-encap:") == arg) |
965 | { | |
966 | new->u.encap = atoi(arg+9); | |
967 | new->flags |= DHOPT_RFC3925; | |
968 | if (flags == DHOPT_MATCH) | |
969 | { | |
bd08ae67 | 970 | option_ok = 1; |
316e2730 SK |
971 | break; |
972 | } | |
973 | } | |
f2621c7f SK |
974 | else |
975 | { | |
824af85b | 976 | new->netid = opt_malloc(sizeof (struct dhcp_netid)); |
8ef5ada2 SK |
977 | /* allow optional "net:" or "tag:" for consistency */ |
978 | if (is_tag_prefix(arg)) | |
824af85b | 979 | new->netid->net = opt_string_alloc(arg+4); |
f2621c7f | 980 | else |
8ef5ada2 | 981 | new->netid->net = opt_string_alloc(set_prefix(arg)); |
f2621c7f SK |
982 | new->netid->next = np; |
983 | np = new->netid; | |
984 | } | |
985 | ||
986 | arg = comma; | |
832af0ba | 987 | } |
4cb1b320 SK |
988 | |
989 | #ifdef HAVE_DHCP6 | |
990 | if (is6) | |
991 | { | |
992 | if (new->flags & (DHOPT_VENDOR | DHOPT_ENCAPSULATE)) | |
c4a7f90e | 993 | ret_err(_("unsupported encapsulation for IPv6 option")); |
4cb1b320 SK |
994 | |
995 | if (opt_len == 0 && | |
996 | !(new->flags & DHOPT_RFC3925)) | |
bd08ae67 | 997 | opt_len = lookup_dhcp_len(AF_INET6, new->opt); |
4cb1b320 SK |
998 | } |
999 | else | |
1000 | #endif | |
1001 | if (opt_len == 0 && | |
1002 | !(new->flags & (DHOPT_VENDOR | DHOPT_ENCAPSULATE | DHOPT_RFC3925))) | |
bd08ae67 | 1003 | opt_len = lookup_dhcp_len(AF_INET, new->opt); |
40ef23b5 | 1004 | |
316e2730 | 1005 | /* option may be missing with rfc3925 match */ |
bd08ae67 | 1006 | if (!option_ok) |
c4a7f90e SK |
1007 | ret_err(_("bad dhcp-option")); |
1008 | ||
1009 | if (comma) | |
832af0ba SK |
1010 | { |
1011 | /* characterise the value */ | |
f2621c7f | 1012 | char c; |
28866e95 | 1013 | int found_dig = 0; |
4cb1b320 | 1014 | is_addr = is_addr6 = is_hex = is_dec = is_string = 1; |
832af0ba | 1015 | addrs = digs = 1; |
f2621c7f SK |
1016 | dots = 0; |
1017 | for (cp = comma; (c = *cp); cp++) | |
1018 | if (c == ',') | |
832af0ba SK |
1019 | { |
1020 | addrs++; | |
1021 | is_dec = is_hex = 0; | |
1022 | } | |
f2621c7f | 1023 | else if (c == ':') |
832af0ba SK |
1024 | { |
1025 | digs++; | |
1026 | is_dec = is_addr = 0; | |
1027 | } | |
f2621c7f | 1028 | else if (c == '/') |
832af0ba | 1029 | { |
4cb1b320 | 1030 | is_addr6 = is_dec = is_hex = 0; |
832af0ba SK |
1031 | if (cp == comma) /* leading / means a pathname */ |
1032 | is_addr = 0; | |
1033 | } | |
f2621c7f SK |
1034 | else if (c == '.') |
1035 | { | |
23245c0c | 1036 | is_addr6 = is_dec = is_hex = 0; |
f2621c7f SK |
1037 | dots++; |
1038 | } | |
1039 | else if (c == '-') | |
4cb1b320 | 1040 | is_hex = is_addr = is_addr6 = 0; |
f2621c7f | 1041 | else if (c == ' ') |
832af0ba | 1042 | is_dec = is_hex = 0; |
f2621c7f | 1043 | else if (!(c >='0' && c <= '9')) |
832af0ba SK |
1044 | { |
1045 | is_addr = 0; | |
1046 | if (cp[1] == 0 && is_dec && | |
f2621c7f | 1047 | (c == 'b' || c == 's' || c == 'i')) |
832af0ba | 1048 | { |
f2621c7f | 1049 | lenchar = c; |
832af0ba SK |
1050 | *cp = 0; |
1051 | } | |
1052 | else | |
1053 | is_dec = 0; | |
f2621c7f | 1054 | if (!((c >='A' && c <= 'F') || |
73a08a24 SK |
1055 | (c >='a' && c <= 'f') || |
1056 | (c == '*' && (flags & DHOPT_MATCH)))) | |
4cb1b320 SK |
1057 | { |
1058 | is_hex = 0; | |
1059 | if (c != '[' && c != ']') | |
1060 | is_addr6 = 0; | |
1061 | } | |
832af0ba | 1062 | } |
28866e95 SK |
1063 | else |
1064 | found_dig = 1; | |
f2621c7f | 1065 | |
28866e95 SK |
1066 | if (!found_dig) |
1067 | is_dec = is_addr = 0; | |
4cb1b320 | 1068 | |
f2621c7f | 1069 | /* We know that some options take addresses */ |
7622fc06 | 1070 | if (opt_len & OT_ADDR_LIST) |
f2621c7f SK |
1071 | { |
1072 | is_string = is_dec = is_hex = 0; | |
4cb1b320 SK |
1073 | |
1074 | if (!is6 && (!is_addr || dots == 0)) | |
c4a7f90e | 1075 | ret_err(_("bad IP address")); |
4cb1b320 SK |
1076 | |
1077 | if (is6 && !is_addr6) | |
c4a7f90e | 1078 | ret_err(_("bad IPv6 address")); |
f2621c7f | 1079 | } |
28866e95 | 1080 | /* or names */ |
4cb1b320 SK |
1081 | else if (opt_len & (OT_NAME | OT_RFC1035_NAME | OT_CSTRING)) |
1082 | is_addr6 = is_addr = is_dec = is_hex = 0; | |
23245c0c SK |
1083 | |
1084 | if (found_dig && (opt_len & OT_TIME) && strlen(comma) > 0) | |
1085 | { | |
1086 | int val, fac = 1; | |
1087 | ||
1088 | switch (comma[strlen(comma) - 1]) | |
1089 | { | |
42243214 SK |
1090 | case 'w': |
1091 | case 'W': | |
1092 | fac *= 7; | |
1093 | /* fall through */ | |
23245c0c SK |
1094 | case 'd': |
1095 | case 'D': | |
1096 | fac *= 24; | |
1097 | /* fall though */ | |
1098 | case 'h': | |
1099 | case 'H': | |
1100 | fac *= 60; | |
1101 | /* fall through */ | |
1102 | case 'm': | |
1103 | case 'M': | |
1104 | fac *= 60; | |
1105 | /* fall through */ | |
1106 | case 's': | |
1107 | case 'S': | |
1108 | comma[strlen(comma) - 1] = 0; | |
1109 | } | |
1110 | ||
1111 | new->len = 4; | |
1112 | new->val = opt_malloc(4); | |
1113 | val = atoi(comma); | |
1114 | *((int *)new->val) = htonl(val * fac); | |
1115 | } | |
1116 | else if (is_hex && digs > 1) | |
832af0ba SK |
1117 | { |
1118 | new->len = digs; | |
824af85b | 1119 | new->val = opt_malloc(new->len); |
73a08a24 SK |
1120 | parse_hex(comma, new->val, digs, (flags & DHOPT_MATCH) ? &new->u.wildcard_mask : NULL, NULL); |
1121 | new->flags |= DHOPT_HEX; | |
832af0ba SK |
1122 | } |
1123 | else if (is_dec) | |
1124 | { | |
1125 | int i, val = atoi(comma); | |
1126 | /* assume numeric arg is 1 byte except for | |
1127 | options where it is known otherwise. | |
1128 | For vendor class option, we have to hack. */ | |
f2621c7f SK |
1129 | if (opt_len != 0) |
1130 | new->len = opt_len; | |
1131 | else if (val & 0xffff0000) | |
1132 | new->len = 4; | |
1133 | else if (val & 0xff00) | |
1134 | new->len = 2; | |
1135 | else | |
1136 | new->len = 1; | |
1137 | ||
832af0ba SK |
1138 | if (lenchar == 'b') |
1139 | new->len = 1; | |
1140 | else if (lenchar == 's') | |
1141 | new->len = 2; | |
1142 | else if (lenchar == 'i') | |
1143 | new->len = 4; | |
f2621c7f | 1144 | |
824af85b | 1145 | new->val = opt_malloc(new->len); |
832af0ba SK |
1146 | for (i=0; i<new->len; i++) |
1147 | new->val[i] = val>>((new->len - i - 1)*8); | |
1148 | } | |
4cb1b320 | 1149 | else if (is_addr && !is6) |
832af0ba SK |
1150 | { |
1151 | struct in_addr in; | |
1152 | unsigned char *op; | |
1153 | char *slash; | |
1154 | /* max length of address/subnet descriptor is five bytes, | |
1155 | add one for the option 120 enc byte too */ | |
824af85b | 1156 | new->val = op = opt_malloc((5 * addrs) + 1); |
6b01084f SK |
1157 | new->flags |= DHOPT_ADDR; |
1158 | ||
572b41eb SK |
1159 | if (!(new->flags & (DHOPT_ENCAPSULATE | DHOPT_VENDOR | DHOPT_RFC3925)) && |
1160 | new->opt == OPTION_SIP_SERVER) | |
832af0ba | 1161 | { |
6b01084f SK |
1162 | *(op++) = 1; /* RFC 3361 "enc byte" */ |
1163 | new->flags &= ~DHOPT_ADDR; | |
832af0ba SK |
1164 | } |
1165 | while (addrs--) | |
1166 | { | |
1167 | cp = comma; | |
f2621c7f | 1168 | comma = split(cp); |
73a08a24 | 1169 | slash = split_chr(cp, '/'); |
ddd9a6b4 | 1170 | inet_pton(AF_INET, cp, &in); |
832af0ba SK |
1171 | if (!slash) |
1172 | { | |
1173 | memcpy(op, &in, INADDRSZ); | |
1174 | op += INADDRSZ; | |
1175 | } | |
1176 | else | |
1177 | { | |
1178 | unsigned char *p = (unsigned char *)∈ | |
1179 | int netsize = atoi(slash); | |
1180 | *op++ = netsize; | |
1181 | if (netsize > 0) | |
1182 | *op++ = *p++; | |
1183 | if (netsize > 8) | |
1184 | *op++ = *p++; | |
1185 | if (netsize > 16) | |
1186 | *op++ = *p++; | |
1187 | if (netsize > 24) | |
1188 | *op++ = *p++; | |
1189 | new->flags &= ~DHOPT_ADDR; /* cannot re-write descriptor format */ | |
1190 | } | |
1191 | } | |
1192 | new->len = op - new->val; | |
1193 | } | |
4cb1b320 SK |
1194 | else if (is_addr6 && is6) |
1195 | { | |
1196 | unsigned char *op; | |
1197 | new->val = op = opt_malloc(16 * addrs); | |
1198 | new->flags |= DHOPT_ADDR6; | |
1199 | while (addrs--) | |
1200 | { | |
1201 | cp = comma; | |
1202 | comma = split(cp); | |
1203 | ||
1204 | /* check for [1234::7] */ | |
1205 | if (*cp == '[') | |
1206 | cp++; | |
1207 | if (strlen(cp) > 1 && cp[strlen(cp)-1] == ']') | |
1208 | cp[strlen(cp)-1] = 0; | |
1209 | ||
1210 | if (inet_pton(AF_INET6, cp, op)) | |
1211 | { | |
1212 | op += IN6ADDRSZ; | |
1213 | continue; | |
1214 | } | |
1215 | ||
c4a7f90e | 1216 | ret_err(_("bad IPv6 address")); |
4cb1b320 SK |
1217 | } |
1218 | new->len = op - new->val; | |
1219 | } | |
f2621c7f | 1220 | else if (is_string) |
832af0ba | 1221 | { |
4cb1b320 | 1222 | /* text arg */ |
572b41eb | 1223 | if ((new->opt == OPTION_DOMAIN_SEARCH || new->opt == OPTION_SIP_SERVER) && |
4cb1b320 | 1224 | !is6 && !(new->flags & (DHOPT_ENCAPSULATE | DHOPT_VENDOR | DHOPT_RFC3925))) |
832af0ba SK |
1225 | { |
1226 | /* dns search, RFC 3397, or SIP, RFC 3361 */ | |
1227 | unsigned char *q, *r, *tail; | |
824af85b | 1228 | unsigned char *p, *m = NULL, *newp; |
832af0ba | 1229 | size_t newlen, len = 0; |
572b41eb | 1230 | int header_size = (new->opt == OPTION_DOMAIN_SEARCH) ? 0 : 1; |
832af0ba SK |
1231 | |
1232 | arg = comma; | |
f2621c7f | 1233 | comma = split(arg); |
832af0ba SK |
1234 | |
1235 | while (arg && *arg) | |
1236 | { | |
c52e1897 SK |
1237 | char *in, *dom = NULL; |
1238 | size_t domlen = 1; | |
1239 | /* Allow "." as an empty domain */ | |
1240 | if (strcmp (arg, ".") != 0) | |
832af0ba | 1241 | { |
c52e1897 | 1242 | if (!(dom = canonicalise_opt(arg))) |
c4a7f90e SK |
1243 | ret_err(_("bad domain in dhcp-option")); |
1244 | ||
c52e1897 | 1245 | domlen = strlen(dom) + 2; |
832af0ba | 1246 | } |
c52e1897 SK |
1247 | |
1248 | newp = opt_malloc(len + domlen + header_size); | |
824af85b | 1249 | if (m) |
c52e1897 SK |
1250 | { |
1251 | memcpy(newp, m, header_size + len); | |
1252 | free(m); | |
1253 | } | |
824af85b | 1254 | m = newp; |
832af0ba SK |
1255 | p = m + header_size; |
1256 | q = p + len; | |
1257 | ||
1258 | /* add string on the end in RFC1035 format */ | |
c52e1897 | 1259 | for (in = dom; in && *in;) |
832af0ba SK |
1260 | { |
1261 | unsigned char *cp = q++; | |
1262 | int j; | |
c52e1897 SK |
1263 | for (j = 0; *in && (*in != '.'); in++, j++) |
1264 | *q++ = *in; | |
832af0ba | 1265 | *cp = j; |
c52e1897 SK |
1266 | if (*in) |
1267 | in++; | |
832af0ba SK |
1268 | } |
1269 | *q++ = 0; | |
1f15b81d | 1270 | free(dom); |
c52e1897 | 1271 | |
832af0ba SK |
1272 | /* Now tail-compress using earlier names. */ |
1273 | newlen = q - p; | |
1274 | for (tail = p + len; *tail; tail += (*tail) + 1) | |
1275 | for (r = p; r - p < (int)len; r += (*r) + 1) | |
1276 | if (strcmp((char *)r, (char *)tail) == 0) | |
1277 | { | |
1278 | PUTSHORT((r - p) | 0xc000, tail); | |
1279 | newlen = tail - p; | |
1280 | goto end; | |
1281 | } | |
1282 | end: | |
1283 | len = newlen; | |
1284 | ||
1285 | arg = comma; | |
f2621c7f | 1286 | comma = split(arg); |
832af0ba SK |
1287 | } |
1288 | ||
1289 | /* RFC 3361, enc byte is zero for names */ | |
572b41eb | 1290 | if (new->opt == OPTION_SIP_SERVER) |
832af0ba SK |
1291 | m[0] = 0; |
1292 | new->len = (int) len + header_size; | |
1293 | new->val = m; | |
1294 | } | |
4cb1b320 SK |
1295 | #ifdef HAVE_DHCP6 |
1296 | else if (comma && (opt_len & OT_CSTRING)) | |
1297 | { | |
1298 | /* length fields are two bytes so need 16 bits for each string */ | |
40ef23b5 | 1299 | int i, commas = 1; |
4cb1b320 SK |
1300 | unsigned char *p, *newp; |
1301 | ||
40ef23b5 | 1302 | for (i = 0; comma[i]; i++) |
4cb1b320 SK |
1303 | if (comma[i] == ',') |
1304 | commas++; | |
1305 | ||
1306 | newp = opt_malloc(strlen(comma)+(2*commas)); | |
1307 | p = newp; | |
1308 | arg = comma; | |
1309 | comma = split(arg); | |
1310 | ||
1311 | while (arg && *arg) | |
1312 | { | |
1313 | u16 len = strlen(arg); | |
18f0fb05 | 1314 | unhide_metas(arg); |
4cb1b320 SK |
1315 | PUTSHORT(len, p); |
1316 | memcpy(p, arg, len); | |
1317 | p += len; | |
1318 | ||
1319 | arg = comma; | |
1320 | comma = split(arg); | |
1321 | } | |
1322 | ||
1323 | new->val = newp; | |
1324 | new->len = p - newp; | |
1325 | } | |
1326 | else if (comma && (opt_len & OT_RFC1035_NAME)) | |
1327 | { | |
18f0fb05 SK |
1328 | unsigned char *p = NULL, *newp, *end; |
1329 | int len = 0; | |
4cb1b320 SK |
1330 | arg = comma; |
1331 | comma = split(arg); | |
1332 | ||
1333 | while (arg && *arg) | |
1334 | { | |
18f0fb05 SK |
1335 | char *dom = canonicalise_opt(arg); |
1336 | if (!dom) | |
c4a7f90e SK |
1337 | ret_err(_("bad domain in dhcp-option")); |
1338 | ||
18f0fb05 SK |
1339 | newp = opt_malloc(len + strlen(dom) + 2); |
1340 | ||
1341 | if (p) | |
1342 | { | |
1343 | memcpy(newp, p, len); | |
1344 | free(p); | |
1345 | } | |
4cb1b320 | 1346 | |
18f0fb05 SK |
1347 | p = newp; |
1348 | end = do_rfc1035_name(p + len, dom); | |
1349 | *end++ = 0; | |
1350 | len = end - p; | |
1351 | free(dom); | |
1352 | ||
4cb1b320 SK |
1353 | arg = comma; |
1354 | comma = split(arg); | |
1355 | } | |
1356 | ||
18f0fb05 SK |
1357 | new->val = p; |
1358 | new->len = len; | |
4cb1b320 SK |
1359 | } |
1360 | #endif | |
832af0ba SK |
1361 | else |
1362 | { | |
1363 | new->len = strlen(comma); | |
1364 | /* keep terminating zero on string */ | |
824af85b | 1365 | new->val = (unsigned char *)opt_string_alloc(comma); |
832af0ba SK |
1366 | new->flags |= DHOPT_STRING; |
1367 | } | |
1368 | } | |
1369 | } | |
1370 | ||
4cb1b320 SK |
1371 | if (!is6 && |
1372 | ((new->len > 255) || | |
316e2730 | 1373 | (new->len > 253 && (new->flags & (DHOPT_VENDOR | DHOPT_ENCAPSULATE))) || |
4cb1b320 | 1374 | (new->len > 250 && (new->flags & DHOPT_RFC3925)))) |
c4a7f90e | 1375 | ret_err(_("dhcp-option too long")); |
832af0ba | 1376 | |
c4a7f90e | 1377 | if (flags == DHOPT_MATCH) |
824af85b | 1378 | { |
c4a7f90e SK |
1379 | if ((new->flags & (DHOPT_ENCAPSULATE | DHOPT_VENDOR)) || |
1380 | !new->netid || | |
1381 | new->netid->next) | |
1382 | ret_err(_("illegal dhcp-match")); | |
1383 | ||
1384 | if (is6) | |
4cb1b320 | 1385 | { |
c4a7f90e SK |
1386 | new->next = daemon->dhcp_match6; |
1387 | daemon->dhcp_match6 = new; | |
4cb1b320 SK |
1388 | } |
1389 | else | |
73a08a24 | 1390 | { |
c4a7f90e SK |
1391 | new->next = daemon->dhcp_match; |
1392 | daemon->dhcp_match = new; | |
73a08a24 | 1393 | } |
824af85b | 1394 | } |
c4a7f90e SK |
1395 | else if (is6) |
1396 | { | |
1397 | new->next = daemon->dhcp_opts6; | |
1398 | daemon->dhcp_opts6 = new; | |
1399 | } | |
1400 | else | |
1401 | { | |
1402 | new->next = daemon->dhcp_opts; | |
1403 | daemon->dhcp_opts = new; | |
1404 | } | |
1405 | ||
1406 | return 1; | |
832af0ba SK |
1407 | } |
1408 | ||
7622fc06 | 1409 | #endif |
832af0ba | 1410 | |
28866e95 SK |
1411 | void set_option_bool(unsigned int opt) |
1412 | { | |
1413 | if (opt < 32) | |
1414 | daemon->options |= 1u << opt; | |
1415 | else | |
1416 | daemon->options2 |= 1u << (opt - 32); | |
1417 | } | |
1418 | ||
2b5bae9a SK |
1419 | void reset_option_bool(unsigned int opt) |
1420 | { | |
1421 | if (opt < 32) | |
1422 | daemon->options &= ~(1u << opt); | |
1423 | else | |
1424 | daemon->options2 &= ~(1u << (opt - 32)); | |
1425 | } | |
1426 | ||
7b1eae4f | 1427 | static int one_opt(int option, char *arg, char *errstr, char *gen_err, int command_line, int servers_only) |
849a8357 SK |
1428 | { |
1429 | int i; | |
c4a7f90e | 1430 | char *comma; |
b8187c80 | 1431 | |
832af0ba | 1432 | if (option == '?') |
c4a7f90e | 1433 | ret_err(gen_err); |
832af0ba | 1434 | |
1a6bca81 SK |
1435 | for (i=0; usage[i].opt != 0; i++) |
1436 | if (usage[i].opt == option) | |
849a8357 | 1437 | { |
1a6bca81 SK |
1438 | int rept = usage[i].rept; |
1439 | ||
28866e95 | 1440 | if (command_line) |
1a6bca81 SK |
1441 | { |
1442 | /* command line */ | |
1443 | if (rept == ARG_USED_CL) | |
c4a7f90e | 1444 | ret_err(_("illegal repeated flag")); |
1a6bca81 SK |
1445 | if (rept == ARG_ONE) |
1446 | usage[i].rept = ARG_USED_CL; | |
1447 | } | |
1448 | else | |
1449 | { | |
1450 | /* allow file to override command line */ | |
1451 | if (rept == ARG_USED_FILE) | |
c4a7f90e | 1452 | ret_err(_("illegal repeated keyword")); |
1a6bca81 SK |
1453 | if (rept == ARG_USED_CL || rept == ARG_ONE) |
1454 | usage[i].rept = ARG_USED_FILE; | |
1455 | } | |
1456 | ||
1457 | if (rept != ARG_DUP && rept != ARG_ONE && rept != ARG_USED_CL) | |
1458 | { | |
28866e95 | 1459 | set_option_bool(rept); |
c4a7f90e | 1460 | return 1; |
1a6bca81 SK |
1461 | } |
1462 | ||
1463 | break; | |
849a8357 | 1464 | } |
1a6bca81 | 1465 | |
849a8357 SK |
1466 | switch (option) |
1467 | { | |
f2621c7f | 1468 | case 'C': /* --conf-file */ |
849a8357 | 1469 | { |
824af85b | 1470 | char *file = opt_string_alloc(arg); |
849a8357 | 1471 | if (file) |
9009d746 | 1472 | { |
28866e95 | 1473 | one_file(file, 0); |
9009d746 SK |
1474 | free(file); |
1475 | } | |
849a8357 SK |
1476 | break; |
1477 | } | |
1478 | ||
f2621c7f | 1479 | case '7': /* --conf-dir */ |
849a8357 SK |
1480 | { |
1481 | DIR *dir_stream; | |
1482 | struct dirent *ent; | |
1483 | char *directory, *path; | |
1f15b81d SK |
1484 | struct list { |
1485 | char *suffix; | |
1486 | struct list *next; | |
3e1551a1 | 1487 | } *ignore_suffix = NULL, *match_suffix = NULL, *li; |
849a8357 | 1488 | |
1f15b81d | 1489 | comma = split(arg); |
824af85b | 1490 | if (!(directory = opt_string_alloc(arg))) |
849a8357 SK |
1491 | break; |
1492 | ||
1f15b81d SK |
1493 | for (arg = comma; arg; arg = comma) |
1494 | { | |
1495 | comma = split(arg); | |
00cd9d55 | 1496 | if (strlen(arg) != 0) |
3e1551a1 | 1497 | { |
00cd9d55 SK |
1498 | li = opt_malloc(sizeof(struct list)); |
1499 | if (*arg == '*') | |
1500 | { | |
1501 | li->next = match_suffix; | |
1502 | match_suffix = li; | |
1503 | /* Have to copy: buffer is overwritten */ | |
1504 | li->suffix = opt_string_alloc(arg+1); | |
1505 | } | |
1506 | else | |
1507 | { | |
1508 | li->next = ignore_suffix; | |
1509 | ignore_suffix = li; | |
1510 | /* Have to copy: buffer is overwritten */ | |
1511 | li->suffix = opt_string_alloc(arg); | |
1512 | } | |
3e1551a1 | 1513 | } |
00cd9d55 | 1514 | } |
1f15b81d | 1515 | |
849a8357 | 1516 | if (!(dir_stream = opendir(directory))) |
5aabfc78 | 1517 | die(_("cannot access directory %s: %s"), directory, EC_FILE); |
1f15b81d | 1518 | |
849a8357 | 1519 | while ((ent = readdir(dir_stream))) |
9e4abcb5 | 1520 | { |
7622fc06 | 1521 | size_t len = strlen(ent->d_name); |
849a8357 | 1522 | struct stat buf; |
1f15b81d SK |
1523 | |
1524 | /* ignore emacs backups and dotfiles */ | |
7622fc06 SK |
1525 | if (len == 0 || |
1526 | ent->d_name[len - 1] == '~' || | |
849a8357 SK |
1527 | (ent->d_name[0] == '#' && ent->d_name[len - 1] == '#') || |
1528 | ent->d_name[0] == '.') | |
1529 | continue; | |
7622fc06 | 1530 | |
3e1551a1 SK |
1531 | if (match_suffix) |
1532 | { | |
1533 | for (li = match_suffix; li; li = li->next) | |
1534 | { | |
1535 | /* check for required suffices */ | |
1536 | size_t ls = strlen(li->suffix); | |
1537 | if (len > ls && | |
1538 | strcmp(li->suffix, &ent->d_name[len - ls]) == 0) | |
1539 | break; | |
1540 | } | |
1541 | if (!li) | |
1542 | continue; | |
1543 | } | |
1544 | ||
1f15b81d SK |
1545 | for (li = ignore_suffix; li; li = li->next) |
1546 | { | |
1547 | /* check for proscribed suffices */ | |
1548 | size_t ls = strlen(li->suffix); | |
1549 | if (len > ls && | |
1550 | strcmp(li->suffix, &ent->d_name[len - ls]) == 0) | |
1551 | break; | |
1552 | } | |
1553 | if (li) | |
1554 | continue; | |
1555 | ||
824af85b | 1556 | path = opt_malloc(strlen(directory) + len + 2); |
849a8357 SK |
1557 | strcpy(path, directory); |
1558 | strcat(path, "/"); | |
1559 | strcat(path, ent->d_name); | |
7622fc06 | 1560 | |
39595cfe | 1561 | /* files must be readable */ |
849a8357 | 1562 | if (stat(path, &buf) == -1) |
5aabfc78 | 1563 | die(_("cannot access %s: %s"), path, EC_FILE); |
39595cfe | 1564 | |
849a8357 | 1565 | /* only reg files allowed. */ |
39595cfe SK |
1566 | if (S_ISREG(buf.st_mode)) |
1567 | one_file(path, 0); | |
849a8357 | 1568 | |
849a8357 | 1569 | free(path); |
9e4abcb5 | 1570 | } |
849a8357 SK |
1571 | |
1572 | closedir(dir_stream); | |
9009d746 | 1573 | free(directory); |
1f15b81d SK |
1574 | for(; ignore_suffix; ignore_suffix = li) |
1575 | { | |
1576 | li = ignore_suffix->next; | |
1577 | free(ignore_suffix->suffix); | |
1578 | free(ignore_suffix); | |
1579 | } | |
00cd9d55 SK |
1580 | for(; match_suffix; match_suffix = li) |
1581 | { | |
1582 | li = match_suffix->next; | |
1583 | free(match_suffix->suffix); | |
1584 | free(match_suffix); | |
1585 | } | |
849a8357 SK |
1586 | break; |
1587 | } | |
1588 | ||
ed4c0767 SK |
1589 | case LOPT_ADD_SBNET: /* --add-subnet */ |
1590 | set_option_bool(OPT_CLIENT_SUBNET); | |
1591 | if (arg) | |
1592 | { | |
1593 | comma = split(arg); | |
1594 | if (!atoi_check(arg, &daemon->addr4_netmask) || | |
1595 | (comma && !atoi_check(comma, &daemon->addr6_netmask))) | |
1596 | ret_err(gen_err); | |
1597 | } | |
1598 | break; | |
1599 | ||
ad094275 SK |
1600 | case '1': /* --enable-dbus */ |
1601 | set_option_bool(OPT_DBUS); | |
1602 | if (arg) | |
1603 | daemon->dbus_name = opt_string_alloc(arg); | |
1604 | else | |
1605 | daemon->dbus_name = DNSMASQ_SERVICE; | |
1606 | break; | |
1607 | ||
f2621c7f SK |
1608 | case '8': /* --log-facility */ |
1609 | /* may be a filename */ | |
8ef5ada2 | 1610 | if (strchr(arg, '/') || strcmp (arg, "-") == 0) |
824af85b | 1611 | daemon->log_file = opt_string_alloc(arg); |
849a8357 | 1612 | else |
f2621c7f | 1613 | { |
572b41eb | 1614 | #ifdef __ANDROID__ |
c4a7f90e | 1615 | ret_err(_("setting log facility is not possible under Android")); |
572b41eb | 1616 | #else |
f2621c7f SK |
1617 | for (i = 0; facilitynames[i].c_name; i++) |
1618 | if (hostname_isequal((char *)facilitynames[i].c_name, arg)) | |
1619 | break; | |
1620 | ||
1621 | if (facilitynames[i].c_name) | |
1622 | daemon->log_fac = facilitynames[i].c_val; | |
1623 | else | |
c4a7f90e | 1624 | ret_err(_("bad log facility")); |
572b41eb | 1625 | #endif |
849a8357 SK |
1626 | } |
1627 | break; | |
1628 | ||
f2621c7f | 1629 | case 'x': /* --pid-file */ |
824af85b | 1630 | daemon->runfile = opt_string_alloc(arg); |
849a8357 | 1631 | break; |
5aabfc78 | 1632 | |
f2621c7f | 1633 | case 'r': /* --resolv-file */ |
849a8357 | 1634 | { |
824af85b | 1635 | char *name = opt_string_alloc(arg); |
849a8357 SK |
1636 | struct resolvc *new, *list = daemon->resolv_files; |
1637 | ||
1638 | if (list && list->is_default) | |
1639 | { | |
1640 | /* replace default resolv file - possibly with nothing */ | |
1641 | if (name) | |
9e4abcb5 | 1642 | { |
849a8357 SK |
1643 | list->is_default = 0; |
1644 | list->name = name; | |
9e4abcb5 | 1645 | } |
849a8357 SK |
1646 | else |
1647 | list = NULL; | |
1648 | } | |
1649 | else if (name) | |
1650 | { | |
824af85b | 1651 | new = opt_malloc(sizeof(struct resolvc)); |
849a8357 SK |
1652 | new->next = list; |
1653 | new->name = name; | |
1654 | new->is_default = 0; | |
1655 | new->mtime = 0; | |
1656 | new->logged = 0; | |
1657 | list = new; | |
1658 | } | |
1659 | daemon->resolv_files = list; | |
1660 | break; | |
1661 | } | |
7b1eae4f SK |
1662 | |
1663 | case LOPT_SERVERS_FILE: | |
1664 | daemon->servers_file = opt_string_alloc(arg); | |
1665 | break; | |
849a8357 | 1666 | |
f2621c7f | 1667 | case 'm': /* --mx-host */ |
849a8357 SK |
1668 | { |
1669 | int pref = 1; | |
1670 | struct mx_srv_record *new; | |
1f15b81d SK |
1671 | char *name, *target = NULL; |
1672 | ||
f2621c7f | 1673 | if ((comma = split(arg))) |
849a8357 SK |
1674 | { |
1675 | char *prefstr; | |
1f15b81d | 1676 | if ((prefstr = split(comma)) && !atoi_check16(prefstr, &pref)) |
c4a7f90e | 1677 | ret_err(_("bad MX preference")); |
849a8357 SK |
1678 | } |
1679 | ||
1f15b81d SK |
1680 | if (!(name = canonicalise_opt(arg)) || |
1681 | (comma && !(target = canonicalise_opt(comma)))) | |
c4a7f90e | 1682 | ret_err(_("bad MX name")); |
1f15b81d | 1683 | |
824af85b | 1684 | new = opt_malloc(sizeof(struct mx_srv_record)); |
849a8357 SK |
1685 | new->next = daemon->mxnames; |
1686 | daemon->mxnames = new; | |
1687 | new->issrv = 0; | |
1f15b81d SK |
1688 | new->name = name; |
1689 | new->target = target; /* may be NULL */ | |
849a8357 SK |
1690 | new->weight = pref; |
1691 | break; | |
1692 | } | |
1693 | ||
f2621c7f | 1694 | case 't': /* --mx-target */ |
1f15b81d | 1695 | if (!(daemon->mxtarget = canonicalise_opt(arg))) |
c4a7f90e | 1696 | ret_err(_("bad MX target")); |
849a8357 | 1697 | break; |
7622fc06 SK |
1698 | |
1699 | #ifdef HAVE_DHCP | |
f2621c7f | 1700 | case 'l': /* --dhcp-leasefile */ |
824af85b | 1701 | daemon->lease_file = opt_string_alloc(arg); |
849a8357 SK |
1702 | break; |
1703 | ||
c72daea8 SK |
1704 | /* Sorry about the gross pre-processor abuse */ |
1705 | case '6': /* --dhcp-script */ | |
1706 | case LOPT_LUASCRIPT: /* --dhcp-luascript */ | |
1f15b81d | 1707 | # if defined(NO_FORK) |
c4a7f90e | 1708 | ret_err(_("cannot run scripts under uClinux")); |
1f15b81d | 1709 | # elif !defined(HAVE_SCRIPT) |
c4a7f90e | 1710 | ret_err(_("recompile with HAVE_SCRIPT defined to enable lease-change scripts")); |
7622fc06 | 1711 | # else |
c72daea8 SK |
1712 | if (option == LOPT_LUASCRIPT) |
1713 | # if !defined(HAVE_LUASCRIPT) | |
c4a7f90e | 1714 | ret_err(_("recompile with HAVE_LUASCRIPT defined to enable Lua scripts")); |
c72daea8 SK |
1715 | # else |
1716 | daemon->luascript = opt_string_alloc(arg); | |
1717 | # endif | |
1718 | else | |
1719 | daemon->lease_change_command = opt_string_alloc(arg); | |
7622fc06 | 1720 | # endif |
849a8357 | 1721 | break; |
c72daea8 | 1722 | #endif /* HAVE_DHCP */ |
7622fc06 | 1723 | |
70d1873d SK |
1724 | case LOPT_DHCP_HOST: /* --dhcp-hostsfile */ |
1725 | case LOPT_DHCP_OPTS: /* --dhcp-optsfile */ | |
1726 | case LOPT_DHCP_INOTIFY: /* --dhcp-hostsdir */ | |
1727 | case LOPT_DHOPT_INOTIFY: /* --dhcp-optsdir */ | |
1728 | case LOPT_HOST_INOTIFY: /* --hostsdir */ | |
1729 | case 'H': /* --addn-hosts */ | |
849a8357 | 1730 | { |
824af85b | 1731 | struct hostsfile *new = opt_malloc(sizeof(struct hostsfile)); |
19c51cfa | 1732 | static unsigned int hosts_index = SRC_AH; |
824af85b | 1733 | new->fname = opt_string_alloc(arg); |
849a8357 | 1734 | new->index = hosts_index++; |
7622fc06 | 1735 | new->flags = 0; |
28866e95 SK |
1736 | if (option == 'H') |
1737 | { | |
1738 | new->next = daemon->addn_hosts; | |
1739 | daemon->addn_hosts = new; | |
1740 | } | |
1741 | else if (option == LOPT_DHCP_HOST) | |
1742 | { | |
1743 | new->next = daemon->dhcp_hosts_file; | |
1744 | daemon->dhcp_hosts_file = new; | |
1745 | } | |
e1ff419c | 1746 | else if (option == LOPT_DHCP_OPTS) |
28866e95 SK |
1747 | { |
1748 | new->next = daemon->dhcp_opts_file; | |
1749 | daemon->dhcp_opts_file = new; | |
1750 | } | |
70d1873d | 1751 | else |
5f4dc5c6 | 1752 | { |
70d1873d SK |
1753 | new->next = daemon->dynamic_dirs; |
1754 | daemon->dynamic_dirs = new; | |
1755 | if (option == LOPT_DHCP_INOTIFY) | |
1756 | new->flags |= AH_DHCP_HST; | |
1757 | else if (option == LOPT_DHOPT_INOTIFY) | |
1758 | new->flags |= AH_DHCP_OPT; | |
1759 | else if (option == LOPT_HOST_INOTIFY) | |
1760 | new->flags |= AH_HOSTS; | |
5f4dc5c6 SK |
1761 | } |
1762 | ||
849a8357 SK |
1763 | break; |
1764 | } | |
1765 | ||
f373a15b SK |
1766 | |
1767 | #ifdef HAVE_AUTH | |
4f7b304f | 1768 | case LOPT_AUTHSERV: /* --auth-server */ |
86e3b9a0 | 1769 | if (!(comma = split(arg))) |
4f7b304f SK |
1770 | ret_err(gen_err); |
1771 | ||
4f7b304f | 1772 | daemon->authserver = opt_string_alloc(arg); |
429798fd SK |
1773 | arg = comma; |
1774 | do { | |
1775 | struct iname *new = opt_malloc(sizeof(struct iname)); | |
1776 | comma = split(arg); | |
1777 | new->name = NULL; | |
1778 | unhide_metas(arg); | |
ddd9a6b4 | 1779 | if (inet_pton(AF_INET, arg, &new->addr.in.sin_addr) > 0) |
429798fd SK |
1780 | new->addr.sa.sa_family = AF_INET; |
1781 | #ifdef HAVE_IPV6 | |
1782 | else if (inet_pton(AF_INET6, arg, &new->addr.in6.sin6_addr) > 0) | |
1783 | new->addr.sa.sa_family = AF_INET6; | |
1784 | #endif | |
1785 | else | |
f25e6c6d SK |
1786 | { |
1787 | char *fam = split_chr(arg, '/'); | |
1788 | new->name = opt_string_alloc(arg); | |
1789 | new->addr.sa.sa_family = 0; | |
1790 | if (fam) | |
1791 | { | |
1792 | if (strcmp(fam, "4") == 0) | |
1793 | new->addr.sa.sa_family = AF_INET; | |
1794 | #ifdef HAVE_IPV6 | |
1795 | else if (strcmp(fam, "6") == 0) | |
1796 | new->addr.sa.sa_family = AF_INET6; | |
1797 | #endif | |
1798 | else | |
1799 | ret_err(gen_err); | |
1800 | } | |
1801 | } | |
429798fd SK |
1802 | new->next = daemon->authinterface; |
1803 | daemon->authinterface = new; | |
1804 | ||
1805 | arg = comma; | |
1806 | } while (arg); | |
1807 | ||
4f7b304f | 1808 | break; |
e1ff419c SK |
1809 | |
1810 | case LOPT_AUTHSFS: /* --auth-sec-servers */ | |
1811 | { | |
1812 | struct name_list *new; | |
1813 | ||
1814 | do { | |
1815 | comma = split(arg); | |
429798fd | 1816 | new = opt_malloc(sizeof(struct name_list)); |
e1ff419c SK |
1817 | new->name = opt_string_alloc(arg); |
1818 | new->next = daemon->secondary_forward_server; | |
1819 | daemon->secondary_forward_server = new; | |
1820 | arg = comma; | |
1821 | } while (arg); | |
1822 | break; | |
1823 | } | |
1824 | ||
4f7b304f SK |
1825 | case LOPT_AUTHZONE: /* --auth-zone */ |
1826 | { | |
1827 | struct auth_zone *new; | |
1828 | ||
1829 | comma = split(arg); | |
1e14cc0f | 1830 | |
429798fd | 1831 | new = opt_malloc(sizeof(struct auth_zone)); |
4f7b304f SK |
1832 | new->domain = opt_string_alloc(arg); |
1833 | new->subnet = NULL; | |
376d48c7 | 1834 | new->interface_names = NULL; |
4f7b304f SK |
1835 | new->next = daemon->auth_zones; |
1836 | daemon->auth_zones = new; | |
1837 | ||
1838 | while ((arg = comma)) | |
1839 | { | |
1840 | int prefixlen = 0; | |
1841 | char *prefix; | |
376d48c7 SK |
1842 | struct addrlist *subnet = NULL; |
1843 | struct all_addr addr; | |
4f7b304f SK |
1844 | |
1845 | comma = split(arg); | |
1846 | prefix = split_chr(arg, '/'); | |
1847 | ||
1848 | if (prefix && !atoi_check(prefix, &prefixlen)) | |
1849 | ret_err(gen_err); | |
1850 | ||
376d48c7 | 1851 | if (inet_pton(AF_INET, arg, &addr.addr.addr4)) |
4f7b304f | 1852 | { |
376d48c7 | 1853 | subnet = opt_malloc(sizeof(struct addrlist)); |
4f7b304f | 1854 | subnet->prefixlen = (prefixlen == 0) ? 24 : prefixlen; |
376d48c7 | 1855 | subnet->flags = ADDRLIST_LITERAL; |
4f7b304f SK |
1856 | } |
1857 | #ifdef HAVE_IPV6 | |
376d48c7 | 1858 | else if (inet_pton(AF_INET6, arg, &addr.addr.addr6)) |
4f7b304f | 1859 | { |
376d48c7 | 1860 | subnet = opt_malloc(sizeof(struct addrlist)); |
4f7b304f | 1861 | subnet->prefixlen = (prefixlen == 0) ? 64 : prefixlen; |
376d48c7 | 1862 | subnet->flags = ADDRLIST_LITERAL | ADDRLIST_IPV6; |
4f7b304f SK |
1863 | } |
1864 | #endif | |
376d48c7 SK |
1865 | else |
1866 | { | |
1867 | struct auth_name_list *name = opt_malloc(sizeof(struct auth_name_list)); | |
1868 | name->name = opt_string_alloc(arg); | |
1869 | name->flags = AUTH4 | AUTH6; | |
1870 | name->next = new->interface_names; | |
1871 | new->interface_names = name; | |
1872 | if (prefix) | |
1873 | { | |
1874 | if (prefixlen == 4) | |
1875 | name->flags &= ~AUTH6; | |
1876 | #ifdef HAVE_IPV6 | |
1877 | else if (prefixlen == 6) | |
1878 | name->flags &= ~AUTH4; | |
1879 | #endif | |
1880 | else | |
1881 | ret_err(gen_err); | |
1882 | } | |
1883 | } | |
1884 | ||
1885 | if (subnet) | |
1886 | { | |
1887 | subnet->addr = addr; | |
1888 | subnet->next = new->subnet; | |
1889 | new->subnet = subnet; | |
1890 | } | |
4f7b304f SK |
1891 | } |
1892 | break; | |
1893 | } | |
376d48c7 | 1894 | |
4f7b304f SK |
1895 | case LOPT_AUTHSOA: /* --auth-soa */ |
1896 | comma = split(arg); | |
5c72bb9e | 1897 | daemon->soa_sn = (u32)atoi(arg); |
4f7b304f SK |
1898 | if (comma) |
1899 | { | |
86e3b9a0 | 1900 | char *cp; |
4f7b304f SK |
1901 | arg = comma; |
1902 | comma = split(arg); | |
1903 | daemon->hostmaster = opt_string_alloc(arg); | |
86e3b9a0 SK |
1904 | for (cp = daemon->hostmaster; *cp; cp++) |
1905 | if (*cp == '@') | |
1906 | *cp = '.'; | |
1907 | ||
4f7b304f SK |
1908 | if (comma) |
1909 | { | |
1910 | arg = comma; | |
1911 | comma = split(arg); | |
5c72bb9e | 1912 | daemon->soa_refresh = (u32)atoi(arg); |
4f7b304f SK |
1913 | if (comma) |
1914 | { | |
1915 | arg = comma; | |
1916 | comma = split(arg); | |
5c72bb9e | 1917 | daemon->soa_retry = (u32)atoi(arg); |
4f7b304f SK |
1918 | if (comma) |
1919 | { | |
1920 | arg = comma; | |
1921 | comma = split(arg); | |
5c72bb9e | 1922 | daemon->soa_expiry = (u32)atoi(arg); |
4f7b304f SK |
1923 | } |
1924 | } | |
1925 | } | |
1926 | } | |
1927 | ||
1928 | break; | |
f373a15b | 1929 | #endif |
4f7b304f | 1930 | |
2bb73af7 SK |
1931 | case 's': /* --domain */ |
1932 | case LOPT_SYNTH: /* --synth-domain */ | |
849a8357 | 1933 | if (strcmp (arg, "#") == 0) |
28866e95 | 1934 | set_option_bool(OPT_RESOLV_DOMAIN); |
849a8357 | 1935 | else |
9009d746 | 1936 | { |
1f15b81d | 1937 | char *d; |
9009d746 | 1938 | comma = split(arg); |
1f15b81d | 1939 | if (!(d = canonicalise_opt(arg))) |
c4a7f90e | 1940 | ret_err(gen_err); |
9009d746 SK |
1941 | else |
1942 | { | |
9009d746 SK |
1943 | if (comma) |
1944 | { | |
429798fd | 1945 | struct cond_domain *new = opt_malloc(sizeof(struct cond_domain)); |
28866e95 | 1946 | char *netpart; |
2bb73af7 | 1947 | |
48fd1c4d SK |
1948 | new->prefix = NULL; |
1949 | ||
9009d746 | 1950 | unhide_metas(comma); |
28866e95 | 1951 | if ((netpart = split_chr(comma, '/'))) |
9009d746 | 1952 | { |
d74942a0 SK |
1953 | int msize; |
1954 | ||
28866e95 | 1955 | arg = split(netpart); |
d74942a0 | 1956 | if (!atoi_check(netpart, &msize)) |
c4a7f90e | 1957 | ret_err(gen_err); |
d74942a0 | 1958 | else if (inet_pton(AF_INET, comma, &new->start)) |
9009d746 | 1959 | { |
d74942a0 SK |
1960 | int mask = (1 << (32 - msize)) - 1; |
1961 | new->is6 = 0; | |
9009d746 SK |
1962 | new->start.s_addr = ntohl(htonl(new->start.s_addr) & ~mask); |
1963 | new->end.s_addr = new->start.s_addr | htonl(mask); | |
28866e95 SK |
1964 | if (arg) |
1965 | { | |
48fd1c4d | 1966 | if (option != 's') |
b5a7ff42 SK |
1967 | { |
1968 | if (!(new->prefix = canonicalise_opt(arg)) || | |
1969 | strlen(new->prefix) > MAXLABEL - INET_ADDRSTRLEN) | |
1970 | ret_err(_("bad prefix")); | |
1971 | } | |
48fd1c4d SK |
1972 | else if (strcmp(arg, "local") != 0 || |
1973 | (msize != 8 && msize != 16 && msize != 24)) | |
c4a7f90e | 1974 | ret_err(gen_err); |
28866e95 SK |
1975 | else |
1976 | { | |
de73a497 | 1977 | /* generate the equivalent of |
de73a497 SK |
1978 | local=/xxx.yyy.zzz.in-addr.arpa/ */ |
1979 | struct server *serv = add_rev4(new->start, msize); | |
1980 | serv->flags |= SERV_NO_ADDR; | |
3ad3f3bb SK |
1981 | |
1982 | /* local=/<domain>/ */ | |
1983 | serv = opt_malloc(sizeof(struct server)); | |
1984 | memset(serv, 0, sizeof(struct server)); | |
1985 | serv->domain = d; | |
1986 | serv->flags = SERV_HAS_DOMAIN | SERV_NO_ADDR; | |
1987 | serv->next = daemon->servers; | |
1988 | daemon->servers = serv; | |
28866e95 SK |
1989 | } |
1990 | } | |
9009d746 | 1991 | } |
d74942a0 SK |
1992 | #ifdef HAVE_IPV6 |
1993 | else if (inet_pton(AF_INET6, comma, &new->start6)) | |
1994 | { | |
1995 | u64 mask = (1LLU << (128 - msize)) - 1LLU; | |
1996 | u64 addrpart = addr6part(&new->start6); | |
1997 | new->is6 = 1; | |
48fd1c4d | 1998 | |
d74942a0 SK |
1999 | /* prefix==64 overflows the mask calculation above */ |
2000 | if (msize == 64) | |
2001 | mask = (u64)-1LL; | |
48fd1c4d | 2002 | |
d74942a0 SK |
2003 | new->end6 = new->start6; |
2004 | setaddr6part(&new->start6, addrpart & ~mask); | |
2005 | setaddr6part(&new->end6, addrpart | mask); | |
2006 | ||
2007 | if (msize < 64) | |
c4a7f90e | 2008 | ret_err(gen_err); |
d74942a0 SK |
2009 | else if (arg) |
2010 | { | |
48fd1c4d | 2011 | if (option != 's') |
b5a7ff42 SK |
2012 | { |
2013 | if (!(new->prefix = canonicalise_opt(arg)) || | |
2014 | strlen(new->prefix) > MAXLABEL - INET6_ADDRSTRLEN) | |
2015 | ret_err(_("bad prefix")); | |
2016 | } | |
48fd1c4d | 2017 | else if (strcmp(arg, "local") != 0 || ((msize & 4) != 0)) |
c4a7f90e | 2018 | ret_err(gen_err); |
d74942a0 SK |
2019 | else |
2020 | { | |
48fd1c4d | 2021 | /* generate the equivalent of |
48fd1c4d | 2022 | local=/xxx.yyy.zzz.ip6.arpa/ */ |
de73a497 SK |
2023 | struct server *serv = add_rev6(&new->start6, msize); |
2024 | serv->flags |= SERV_NO_ADDR; | |
3ad3f3bb SK |
2025 | |
2026 | /* local=/<domain>/ */ | |
2027 | serv = opt_malloc(sizeof(struct server)); | |
2028 | memset(serv, 0, sizeof(struct server)); | |
2029 | serv->domain = d; | |
2030 | serv->flags = SERV_HAS_DOMAIN | SERV_NO_ADDR; | |
2031 | serv->next = daemon->servers; | |
2032 | daemon->servers = serv; | |
d74942a0 SK |
2033 | } |
2034 | } | |
2035 | } | |
2036 | #endif | |
2037 | else | |
c4a7f90e | 2038 | ret_err(gen_err); |
9009d746 | 2039 | } |
eec5c1e2 | 2040 | else |
9009d746 | 2041 | { |
eec5c1e2 | 2042 | char *prefstr; |
d74942a0 | 2043 | arg = split(comma); |
eec5c1e2 SK |
2044 | prefstr = split(arg); |
2045 | ||
d74942a0 SK |
2046 | if (inet_pton(AF_INET, comma, &new->start)) |
2047 | { | |
2048 | new->is6 = 0; | |
2049 | if (!arg) | |
2050 | new->end.s_addr = new->start.s_addr; | |
2051 | else if (!inet_pton(AF_INET, arg, &new->end)) | |
c4a7f90e | 2052 | ret_err(gen_err); |
d74942a0 SK |
2053 | } |
2054 | #ifdef HAVE_IPV6 | |
2055 | else if (inet_pton(AF_INET6, comma, &new->start6)) | |
2056 | { | |
2057 | new->is6 = 1; | |
2058 | if (!arg) | |
2059 | memcpy(&new->end6, &new->start6, IN6ADDRSZ); | |
2060 | else if (!inet_pton(AF_INET6, arg, &new->end6)) | |
c4a7f90e | 2061 | ret_err(gen_err); |
d74942a0 SK |
2062 | } |
2063 | #endif | |
2064 | else | |
c4a7f90e | 2065 | ret_err(gen_err); |
eec5c1e2 SK |
2066 | |
2067 | if (option != 's' && prefstr) | |
2068 | { | |
2069 | if (!(new->prefix = canonicalise_opt(prefstr)) || | |
2070 | strlen(new->prefix) > MAXLABEL - INET_ADDRSTRLEN) | |
2071 | ret_err(_("bad prefix")); | |
2072 | } | |
d74942a0 | 2073 | } |
2307eac6 SK |
2074 | |
2075 | new->domain = d; | |
2bb73af7 SK |
2076 | if (option == 's') |
2077 | { | |
2078 | new->next = daemon->cond_domain; | |
2079 | daemon->cond_domain = new; | |
2080 | } | |
2081 | else | |
2082 | { | |
2083 | new->next = daemon->synth_domains; | |
2084 | daemon->synth_domains = new; | |
2085 | } | |
9009d746 | 2086 | } |
2bb73af7 | 2087 | else if (option == 's') |
9009d746 | 2088 | daemon->domain_suffix = d; |
2bb73af7 SK |
2089 | else |
2090 | ret_err(gen_err); | |
9009d746 SK |
2091 | } |
2092 | } | |
849a8357 SK |
2093 | break; |
2094 | ||
f2621c7f | 2095 | case 'u': /* --user */ |
824af85b | 2096 | daemon->username = opt_string_alloc(arg); |
849a8357 SK |
2097 | break; |
2098 | ||
f2621c7f | 2099 | case 'g': /* --group */ |
824af85b | 2100 | daemon->groupname = opt_string_alloc(arg); |
1a6bca81 | 2101 | daemon->group_set = 1; |
849a8357 | 2102 | break; |
9e038946 | 2103 | |
7622fc06 | 2104 | #ifdef HAVE_DHCP |
9e038946 SK |
2105 | case LOPT_SCRIPTUSR: /* --scriptuser */ |
2106 | daemon->scriptuser = opt_string_alloc(arg); | |
2107 | break; | |
7622fc06 | 2108 | #endif |
849a8357 | 2109 | |
f2621c7f | 2110 | case 'i': /* --interface */ |
849a8357 | 2111 | do { |
824af85b | 2112 | struct iname *new = opt_malloc(sizeof(struct iname)); |
f2621c7f | 2113 | comma = split(arg); |
849a8357 SK |
2114 | new->next = daemon->if_names; |
2115 | daemon->if_names = new; | |
2116 | /* new->name may be NULL if someone does | |
2117 | "interface=" to disable all interfaces except loop. */ | |
824af85b | 2118 | new->name = opt_string_alloc(arg); |
4ce4f377 | 2119 | new->used = 0; |
849a8357 SK |
2120 | arg = comma; |
2121 | } while (arg); | |
2122 | break; | |
2123 | ||
2937f8a0 SK |
2124 | case LOPT_TFTP: /* --enable-tftp */ |
2125 | set_option_bool(OPT_TFTP); | |
2126 | if (!arg) | |
2127 | break; | |
2128 | /* fall through */ | |
2129 | ||
f2621c7f SK |
2130 | case 'I': /* --except-interface */ |
2131 | case '2': /* --no-dhcp-interface */ | |
849a8357 | 2132 | do { |
824af85b | 2133 | struct iname *new = opt_malloc(sizeof(struct iname)); |
f2621c7f | 2134 | comma = split(arg); |
824af85b | 2135 | new->name = opt_string_alloc(arg); |
849a8357 SK |
2136 | if (option == 'I') |
2137 | { | |
2138 | new->next = daemon->if_except; | |
2139 | daemon->if_except = new; | |
2140 | } | |
2937f8a0 SK |
2141 | else if (option == LOPT_TFTP) |
2142 | { | |
2143 | new->next = daemon->tftp_interfaces; | |
2144 | daemon->tftp_interfaces = new; | |
2145 | } | |
849a8357 SK |
2146 | else |
2147 | { | |
2148 | new->next = daemon->dhcp_except; | |
2149 | daemon->dhcp_except = new; | |
2150 | } | |
2151 | arg = comma; | |
2152 | } while (arg); | |
2153 | break; | |
2154 | ||
f2621c7f | 2155 | case 'B': /* --bogus-nxdomain */ |
32fc6dbe GH |
2156 | case LOPT_IGNORE_ADDR: /* --ignore-address */ |
2157 | { | |
849a8357 SK |
2158 | struct in_addr addr; |
2159 | unhide_metas(arg); | |
ddd9a6b4 | 2160 | if (arg && (inet_pton(AF_INET, arg, &addr) > 0)) |
849a8357 | 2161 | { |
824af85b | 2162 | struct bogus_addr *baddr = opt_malloc(sizeof(struct bogus_addr)); |
32fc6dbe GH |
2163 | if (option == 'B') |
2164 | { | |
2165 | baddr->next = daemon->bogus_addr; | |
2166 | daemon->bogus_addr = baddr; | |
2167 | } | |
2168 | else | |
2169 | { | |
2170 | baddr->next = daemon->ignore_addr; | |
2171 | daemon->ignore_addr = baddr; | |
2172 | } | |
849a8357 SK |
2173 | baddr->addr = addr; |
2174 | } | |
2175 | else | |
c4a7f90e | 2176 | ret_err(gen_err); /* error */ |
849a8357 SK |
2177 | break; |
2178 | } | |
2179 | ||
f2621c7f | 2180 | case 'a': /* --listen-address */ |
49678767 | 2181 | case LOPT_AUTHPEER: /* --auth-peer */ |
849a8357 | 2182 | do { |
824af85b | 2183 | struct iname *new = opt_malloc(sizeof(struct iname)); |
f2621c7f | 2184 | comma = split(arg); |
849a8357 | 2185 | unhide_metas(arg); |
ddd9a6b4 | 2186 | if (arg && (inet_pton(AF_INET, arg, &new->addr.in.sin_addr) > 0)) |
849a8357 SK |
2187 | { |
2188 | new->addr.sa.sa_family = AF_INET; | |
49678767 | 2189 | new->addr.in.sin_port = 0; |
849a8357 SK |
2190 | #ifdef HAVE_SOCKADDR_SA_LEN |
2191 | new->addr.in.sin_len = sizeof(new->addr.in); | |
2192 | #endif | |
2193 | } | |
2194 | #ifdef HAVE_IPV6 | |
2195 | else if (arg && inet_pton(AF_INET6, arg, &new->addr.in6.sin6_addr) > 0) | |
2196 | { | |
2197 | new->addr.sa.sa_family = AF_INET6; | |
2198 | new->addr.in6.sin6_flowinfo = 0; | |
2199 | new->addr.in6.sin6_scope_id = 0; | |
49678767 | 2200 | new->addr.in6.sin6_port = 0; |
849a8357 SK |
2201 | #ifdef HAVE_SOCKADDR_SA_LEN |
2202 | new->addr.in6.sin6_len = sizeof(new->addr.in6); | |
2203 | #endif | |
2204 | } | |
2205 | #endif | |
2206 | else | |
c4a7f90e | 2207 | ret_err(gen_err); |
4ce4f377 SK |
2208 | |
2209 | new->used = 0; | |
49678767 SK |
2210 | if (option == 'a') |
2211 | { | |
2212 | new->next = daemon->if_addrs; | |
2213 | daemon->if_addrs = new; | |
2214 | } | |
2215 | else | |
2216 | { | |
2217 | new->next = daemon->auth_peers; | |
2218 | daemon->auth_peers = new; | |
2219 | } | |
849a8357 SK |
2220 | arg = comma; |
2221 | } while (arg); | |
2222 | break; | |
2223 | ||
8ef5ada2 SK |
2224 | case 'S': /* --server */ |
2225 | case LOPT_LOCAL: /* --local */ | |
2226 | case 'A': /* --address */ | |
2227 | case LOPT_NO_REBIND: /* --rebind-domain-ok */ | |
849a8357 SK |
2228 | { |
2229 | struct server *serv, *newlist = NULL; | |
2230 | ||
2231 | unhide_metas(arg); | |
2232 | ||
8ef5ada2 | 2233 | if (arg && (*arg == '/' || option == LOPT_NO_REBIND)) |
849a8357 | 2234 | { |
8ef5ada2 SK |
2235 | int rebind = !(*arg == '/'); |
2236 | char *end = NULL; | |
2237 | if (!rebind) | |
2238 | arg++; | |
2239 | while (rebind || (end = split_chr(arg, '/'))) | |
fd9fa481 | 2240 | { |
849a8357 | 2241 | char *domain = NULL; |
8ef5ada2 SK |
2242 | /* elide leading dots - they are implied in the search algorithm */ |
2243 | while (*arg == '.') arg++; | |
849a8357 SK |
2244 | /* # matches everything and becomes a zero length domain string */ |
2245 | if (strcmp(arg, "#") == 0) | |
2246 | domain = ""; | |
1f15b81d | 2247 | else if (strlen (arg) != 0 && !(domain = canonicalise_opt(arg))) |
849a8357 | 2248 | option = '?'; |
824af85b SK |
2249 | serv = opt_malloc(sizeof(struct server)); |
2250 | memset(serv, 0, sizeof(struct server)); | |
849a8357 SK |
2251 | serv->next = newlist; |
2252 | newlist = serv; | |
849a8357 SK |
2253 | serv->domain = domain; |
2254 | serv->flags = domain ? SERV_HAS_DOMAIN : SERV_FOR_NODOTS; | |
73a08a24 | 2255 | arg = end; |
8ef5ada2 SK |
2256 | if (rebind) |
2257 | break; | |
fd9fa481 | 2258 | } |
849a8357 | 2259 | if (!newlist) |
c4a7f90e | 2260 | ret_err(gen_err); |
849a8357 SK |
2261 | } |
2262 | else | |
2263 | { | |
824af85b SK |
2264 | newlist = opt_malloc(sizeof(struct server)); |
2265 | memset(newlist, 0, sizeof(struct server)); | |
b5ea1cc2 SK |
2266 | #ifdef HAVE_LOOP |
2267 | newlist->uid = rand32(); | |
2268 | #endif | |
849a8357 SK |
2269 | } |
2270 | ||
7b1eae4f SK |
2271 | if (servers_only && option == 'S') |
2272 | newlist->flags |= SERV_FROM_FILE; | |
2273 | ||
849a8357 SK |
2274 | if (option == 'A') |
2275 | { | |
2276 | newlist->flags |= SERV_LITERAL_ADDRESS; | |
2277 | if (!(newlist->flags & SERV_TYPE)) | |
c4a7f90e | 2278 | ret_err(gen_err); |
849a8357 | 2279 | } |
8ef5ada2 SK |
2280 | else if (option == LOPT_NO_REBIND) |
2281 | newlist->flags |= SERV_NO_REBIND; | |
849a8357 SK |
2282 | |
2283 | if (!arg || !*arg) | |
2284 | { | |
8ef5ada2 SK |
2285 | if (!(newlist->flags & SERV_NO_REBIND)) |
2286 | newlist->flags |= SERV_NO_ADDR; /* no server */ | |
2287 | if (newlist->flags & SERV_LITERAL_ADDRESS) | |
c4a7f90e | 2288 | ret_err(gen_err); |
8ef5ada2 SK |
2289 | } |
2290 | ||
2291 | else if (strcmp(arg, "#") == 0) | |
2292 | { | |
2293 | newlist->flags |= SERV_USE_RESOLV; /* treat in ordinary way */ | |
849a8357 | 2294 | if (newlist->flags & SERV_LITERAL_ADDRESS) |
c4a7f90e | 2295 | ret_err(gen_err); |
849a8357 SK |
2296 | } |
2297 | else | |
2298 | { | |
faafb3f7 SK |
2299 | char *err = parse_server(arg, &newlist->addr, &newlist->source_addr, newlist->interface, &newlist->flags); |
2300 | if (err) | |
2301 | ret_err(err); | |
849a8357 SK |
2302 | } |
2303 | ||
f2621c7f SK |
2304 | serv = newlist; |
2305 | while (serv->next) | |
849a8357 | 2306 | { |
f2621c7f SK |
2307 | serv->next->flags = serv->flags; |
2308 | serv->next->addr = serv->addr; | |
2309 | serv->next->source_addr = serv->source_addr; | |
faafb3f7 | 2310 | strcpy(serv->next->interface, serv->interface); |
f2621c7f | 2311 | serv = serv->next; |
849a8357 | 2312 | } |
f2621c7f SK |
2313 | serv->next = daemon->servers; |
2314 | daemon->servers = newlist; | |
849a8357 SK |
2315 | break; |
2316 | } | |
13d86c73 | 2317 | |
de73a497 SK |
2318 | case LOPT_REV_SERV: /* --rev-server */ |
2319 | { | |
2320 | char *string; | |
2321 | int size; | |
2322 | struct server *serv; | |
2323 | struct in_addr addr4; | |
2324 | #ifdef HAVE_IPV6 | |
2325 | struct in6_addr addr6; | |
2326 | #endif | |
2327 | ||
2328 | unhide_metas(arg); | |
2329 | if (!arg || !(comma=split(arg)) || !(string = split_chr(arg, '/')) || !atoi_check(string, &size)) | |
2330 | ret_err(gen_err); | |
2331 | ||
2332 | if (inet_pton(AF_INET, arg, &addr4)) | |
2333 | serv = add_rev4(addr4, size); | |
2334 | #ifdef HAVE_IPV6 | |
2335 | else if (inet_pton(AF_INET6, arg, &addr6)) | |
2336 | serv = add_rev6(&addr6, size); | |
2337 | #endif | |
2338 | else | |
2339 | ret_err(gen_err); | |
2340 | ||
2341 | string = parse_server(comma, &serv->addr, &serv->source_addr, serv->interface, &serv->flags); | |
2342 | ||
2343 | if (string) | |
2344 | ret_err(string); | |
7b1eae4f SK |
2345 | |
2346 | if (servers_only) | |
2347 | serv->flags |= SERV_FROM_FILE; | |
2348 | ||
de73a497 SK |
2349 | break; |
2350 | } | |
2351 | ||
13d86c73 JD |
2352 | case LOPT_IPSET: /* --ipset */ |
2353 | #ifndef HAVE_IPSET | |
2354 | ret_err(_("recompile with HAVE_IPSET defined to enable ipset directives")); | |
2355 | break; | |
2356 | #else | |
2357 | { | |
2358 | struct ipsets ipsets_head; | |
2359 | struct ipsets *ipsets = &ipsets_head; | |
2360 | int size; | |
2361 | char *end; | |
2362 | char **sets, **sets_pos; | |
2363 | memset(ipsets, 0, sizeof(struct ipsets)); | |
2364 | unhide_metas(arg); | |
2365 | if (arg && *arg == '/') | |
2366 | { | |
2367 | arg++; | |
2368 | while ((end = split_chr(arg, '/'))) | |
2369 | { | |
2370 | char *domain = NULL; | |
2371 | /* elide leading dots - they are implied in the search algorithm */ | |
2372 | while (*arg == '.') | |
2373 | arg++; | |
2374 | /* # matches everything and becomes a zero length domain string */ | |
2375 | if (strcmp(arg, "#") == 0 || !*arg) | |
2376 | domain = ""; | |
2377 | else if (strlen(arg) != 0 && !(domain = canonicalise_opt(arg))) | |
2378 | option = '?'; | |
2379 | ipsets->next = opt_malloc(sizeof(struct ipsets)); | |
2380 | ipsets = ipsets->next; | |
2381 | memset(ipsets, 0, sizeof(struct ipsets)); | |
2382 | ipsets->domain = domain; | |
2383 | arg = end; | |
2384 | } | |
2385 | } | |
2386 | else | |
2387 | { | |
2388 | ipsets->next = opt_malloc(sizeof(struct ipsets)); | |
2389 | ipsets = ipsets->next; | |
2390 | memset(ipsets, 0, sizeof(struct ipsets)); | |
2391 | ipsets->domain = ""; | |
2392 | } | |
2393 | if (!arg || !*arg) | |
2394 | { | |
2395 | option = '?'; | |
2396 | break; | |
2397 | } | |
2398 | size = 2; | |
2399 | for (end = arg; *end; ++end) | |
2400 | if (*end == ',') | |
2401 | ++size; | |
2402 | ||
2403 | sets = sets_pos = opt_malloc(sizeof(char *) * size); | |
2404 | ||
2405 | do { | |
2406 | end = split(arg); | |
2407 | *sets_pos++ = opt_string_alloc(arg); | |
2408 | arg = end; | |
2409 | } while (end); | |
2410 | *sets_pos = 0; | |
2411 | for (ipsets = &ipsets_head; ipsets->next; ipsets = ipsets->next) | |
2412 | ipsets->next->sets = sets; | |
2413 | ipsets->next = daemon->ipsets; | |
2414 | daemon->ipsets = ipsets_head.next; | |
2415 | ||
2416 | break; | |
2417 | } | |
2418 | #endif | |
849a8357 | 2419 | |
f2621c7f | 2420 | case 'c': /* --cache-size */ |
849a8357 SK |
2421 | { |
2422 | int size; | |
2423 | ||
2424 | if (!atoi_check(arg, &size)) | |
c4a7f90e | 2425 | ret_err(gen_err); |
849a8357 SK |
2426 | else |
2427 | { | |
2428 | /* zero is OK, and means no caching. */ | |
2429 | ||
2430 | if (size < 0) | |
2431 | size = 0; | |
2432 | else if (size > 10000) | |
2433 | size = 10000; | |
2434 | ||
2435 | daemon->cachesize = size; | |
2436 | } | |
2437 | break; | |
2438 | } | |
2439 | ||
f2621c7f | 2440 | case 'p': /* --port */ |
1ad24ae1 | 2441 | if (!atoi_check16(arg, &daemon->port)) |
c4a7f90e | 2442 | ret_err(gen_err); |
849a8357 | 2443 | break; |
208b65c5 | 2444 | |
1a6bca81 | 2445 | case LOPT_MINPORT: /* --min-port */ |
1ad24ae1 | 2446 | if (!atoi_check16(arg, &daemon->min_port)) |
c4a7f90e | 2447 | ret_err(gen_err); |
1a6bca81 SK |
2448 | break; |
2449 | ||
f2621c7f | 2450 | case '0': /* --dns-forward-max */ |
208b65c5 | 2451 | if (!atoi_check(arg, &daemon->ftabsize)) |
c4a7f90e | 2452 | ret_err(gen_err); |
208b65c5 SK |
2453 | break; |
2454 | ||
25cf5e37 SK |
2455 | case 'q': /* --log-queries */ |
2456 | set_option_bool(OPT_LOG); | |
2457 | if (arg && strcmp(arg, "extra") == 0) | |
2458 | set_option_bool(OPT_EXTRALOG); | |
2459 | break; | |
2460 | ||
f2621c7f SK |
2461 | case LOPT_MAX_LOGS: /* --log-async */ |
2462 | daemon->max_logs = LOG_MAX; /* default */ | |
2463 | if (arg && !atoi_check(arg, &daemon->max_logs)) | |
c4a7f90e | 2464 | ret_err(gen_err); |
f2621c7f SK |
2465 | else if (daemon->max_logs > 100) |
2466 | daemon->max_logs = 100; | |
2467 | break; | |
2468 | ||
2469 | case 'P': /* --edns-packet-max */ | |
849a8357 SK |
2470 | { |
2471 | int i; | |
2472 | if (!atoi_check(arg, &i)) | |
c4a7f90e | 2473 | ret_err(gen_err); |
849a8357 SK |
2474 | daemon->edns_pktsz = (unsigned short)i; |
2475 | break; | |
2476 | } | |
2477 | ||
f2621c7f | 2478 | case 'Q': /* --query-port */ |
1ad24ae1 | 2479 | if (!atoi_check16(arg, &daemon->query_port)) |
c4a7f90e | 2480 | ret_err(gen_err); |
1a6bca81 SK |
2481 | /* if explicitly set to zero, use single OS ephemeral port |
2482 | and disable random ports */ | |
2483 | if (daemon->query_port == 0) | |
2484 | daemon->osport = 1; | |
849a8357 SK |
2485 | break; |
2486 | ||
824af85b SK |
2487 | case 'T': /* --local-ttl */ |
2488 | case LOPT_NEGTTL: /* --neg-ttl */ | |
8ef5ada2 | 2489 | case LOPT_MAXTTL: /* --max-ttl */ |
28de3876 | 2490 | case LOPT_MINCTTL: /* --min-cache-ttl */ |
1d860415 | 2491 | case LOPT_MAXCTTL: /* --max-cache-ttl */ |
4f7b304f | 2492 | case LOPT_AUTHTTL: /* --auth-ttl */ |
849a8357 SK |
2493 | { |
2494 | int ttl; | |
2495 | if (!atoi_check(arg, &ttl)) | |
c4a7f90e | 2496 | ret_err(gen_err); |
824af85b SK |
2497 | else if (option == LOPT_NEGTTL) |
2498 | daemon->neg_ttl = (unsigned long)ttl; | |
8ef5ada2 SK |
2499 | else if (option == LOPT_MAXTTL) |
2500 | daemon->max_ttl = (unsigned long)ttl; | |
28de3876 R |
2501 | else if (option == LOPT_MINCTTL) |
2502 | { | |
2503 | if (ttl > TTL_FLOOR_LIMIT) | |
2504 | ttl = TTL_FLOOR_LIMIT; | |
2505 | daemon->min_cache_ttl = (unsigned long)ttl; | |
2506 | } | |
1d860415 SK |
2507 | else if (option == LOPT_MAXCTTL) |
2508 | daemon->max_cache_ttl = (unsigned long)ttl; | |
4f7b304f SK |
2509 | else if (option == LOPT_AUTHTTL) |
2510 | daemon->auth_ttl = (unsigned long)ttl; | |
849a8357 SK |
2511 | else |
2512 | daemon->local_ttl = (unsigned long)ttl; | |
2513 | break; | |
2514 | } | |
2515 | ||
7622fc06 | 2516 | #ifdef HAVE_DHCP |
f2621c7f | 2517 | case 'X': /* --dhcp-lease-max */ |
849a8357 | 2518 | if (!atoi_check(arg, &daemon->dhcp_max)) |
c4a7f90e | 2519 | ret_err(gen_err); |
849a8357 | 2520 | break; |
7622fc06 | 2521 | #endif |
849a8357 | 2522 | |
7622fc06 | 2523 | #ifdef HAVE_TFTP |
f2621c7f | 2524 | case LOPT_TFTP_MAX: /* --tftp-max */ |
832af0ba | 2525 | if (!atoi_check(arg, &daemon->tftp_max)) |
c4a7f90e | 2526 | ret_err(gen_err); |
832af0ba SK |
2527 | break; |
2528 | ||
824af85b | 2529 | case LOPT_PREFIX: /* --tftp-prefix */ |
8ef5ada2 SK |
2530 | comma = split(arg); |
2531 | if (comma) | |
2532 | { | |
2533 | struct tftp_prefix *new = opt_malloc(sizeof(struct tftp_prefix)); | |
2534 | new->interface = opt_string_alloc(comma); | |
2535 | new->prefix = opt_string_alloc(arg); | |
2536 | new->next = daemon->if_prefix; | |
2537 | daemon->if_prefix = new; | |
2538 | } | |
2539 | else | |
2540 | daemon->tftp_prefix = opt_string_alloc(arg); | |
832af0ba SK |
2541 | break; |
2542 | ||
824af85b SK |
2543 | case LOPT_TFTPPORTS: /* --tftp-port-range */ |
2544 | if (!(comma = split(arg)) || | |
1ad24ae1 SK |
2545 | !atoi_check16(arg, &daemon->start_tftp_port) || |
2546 | !atoi_check16(comma, &daemon->end_tftp_port)) | |
c4a7f90e | 2547 | ret_err(_("bad port range")); |
824af85b SK |
2548 | |
2549 | if (daemon->start_tftp_port > daemon->end_tftp_port) | |
2550 | { | |
2551 | int tmp = daemon->start_tftp_port; | |
2552 | daemon->start_tftp_port = daemon->end_tftp_port; | |
2553 | daemon->end_tftp_port = tmp; | |
2554 | } | |
2555 | ||
2556 | break; | |
7622fc06 | 2557 | #endif |
824af85b | 2558 | |
f2621c7f | 2559 | case LOPT_BRIDGE: /* --bridge-interface */ |
832af0ba | 2560 | { |
824af85b | 2561 | struct dhcp_bridge *new = opt_malloc(sizeof(struct dhcp_bridge)); |
316e2730 | 2562 | if (!(comma = split(arg)) || strlen(arg) > IF_NAMESIZE - 1 ) |
c4a7f90e | 2563 | ret_err(_("bad bridge-interface")); |
832af0ba | 2564 | |
316e2730 | 2565 | strcpy(new->iface, arg); |
832af0ba SK |
2566 | new->alias = NULL; |
2567 | new->next = daemon->bridges; | |
2568 | daemon->bridges = new; | |
2569 | ||
2570 | do { | |
f2621c7f SK |
2571 | arg = comma; |
2572 | comma = split(arg); | |
316e2730 | 2573 | if (strlen(arg) != 0 && strlen(arg) <= IF_NAMESIZE - 1) |
832af0ba | 2574 | { |
824af85b | 2575 | struct dhcp_bridge *b = opt_malloc(sizeof(struct dhcp_bridge)); |
832af0ba SK |
2576 | b->next = new->alias; |
2577 | new->alias = b; | |
316e2730 | 2578 | strcpy(b->iface, arg); |
832af0ba SK |
2579 | } |
2580 | } while (comma); | |
2581 | ||
2582 | break; | |
2583 | } | |
832af0ba | 2584 | |
7622fc06 | 2585 | #ifdef HAVE_DHCP |
f2621c7f | 2586 | case 'F': /* --dhcp-range */ |
849a8357 SK |
2587 | { |
2588 | int k, leasepos = 2; | |
8445f5d2 | 2589 | char *cp, *a[8] = { NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL }; |
824af85b | 2590 | struct dhcp_context *new = opt_malloc(sizeof(struct dhcp_context)); |
849a8357 | 2591 | |
52b92f4d | 2592 | memset (new, 0, sizeof(*new)); |
849a8357 | 2593 | new->lease_time = DEFLEASE; |
52b92f4d | 2594 | |
849a8357 SK |
2595 | if (!arg) |
2596 | { | |
2597 | option = '?'; | |
2598 | break; | |
2599 | } | |
2600 | ||
2601 | while(1) | |
2602 | { | |
2603 | for (cp = arg; *cp; cp++) | |
52b92f4d SK |
2604 | if (!(*cp == ' ' || *cp == '.' || *cp == ':' || |
2605 | (*cp >= 'a' && *cp <= 'f') || (*cp >= 'A' && *cp <= 'F') || | |
2606 | (*cp >='0' && *cp <= '9'))) | |
849a8357 SK |
2607 | break; |
2608 | ||
f2621c7f | 2609 | if (*cp != ',' && (comma = split(arg))) |
849a8357 | 2610 | { |
8bc4cece | 2611 | if (is_tag_prefix(arg)) |
9e4abcb5 | 2612 | { |
824af85b SK |
2613 | struct dhcp_netid *tt = opt_malloc(sizeof (struct dhcp_netid)); |
2614 | tt->net = opt_string_alloc(arg+4); | |
849a8357 | 2615 | tt->next = new->filter; |
0c38719f SK |
2616 | /* ignore empty tag */ |
2617 | if (tt->net) | |
2618 | new->filter = tt; | |
9e4abcb5 SK |
2619 | } |
2620 | else | |
2621 | { | |
849a8357 | 2622 | if (new->netid.net) |
c4a7f90e | 2623 | ret_err(_("only one tag allowed")); |
8ef5ada2 SK |
2624 | else if (strstr(arg, "set:") == arg) |
2625 | new->netid.net = opt_string_alloc(arg+4); | |
9e4abcb5 | 2626 | else |
824af85b | 2627 | new->netid.net = opt_string_alloc(arg); |
9e4abcb5 | 2628 | } |
f2621c7f | 2629 | arg = comma; |
9e4abcb5 | 2630 | } |
849a8357 | 2631 | else |
9e4abcb5 | 2632 | { |
849a8357 | 2633 | a[0] = arg; |
9e4abcb5 SK |
2634 | break; |
2635 | } | |
849a8357 SK |
2636 | } |
2637 | ||
1f776932 | 2638 | for (k = 1; k < 8; k++) |
f2621c7f SK |
2639 | if (!(a[k] = split(a[k-1]))) |
2640 | break; | |
849a8357 | 2641 | |
52b92f4d | 2642 | if (k < 2) |
c4a7f90e SK |
2643 | ret_err(_("bad dhcp-range")); |
2644 | ||
2645 | if (inet_pton(AF_INET, a[0], &new->start)) | |
849a8357 | 2646 | { |
52b92f4d SK |
2647 | new->next = daemon->dhcp; |
2648 | daemon->dhcp = new; | |
30cd9666 | 2649 | new->end = new->start; |
52b92f4d | 2650 | if (strcmp(a[1], "static") == 0) |
30cd9666 | 2651 | new->flags |= CONTEXT_STATIC; |
52b92f4d | 2652 | else if (strcmp(a[1], "proxy") == 0) |
30cd9666 SK |
2653 | new->flags |= CONTEXT_PROXY; |
2654 | else if (!inet_pton(AF_INET, a[1], &new->end)) | |
c4a7f90e | 2655 | ret_err(_("bad dhcp-range")); |
52b92f4d SK |
2656 | |
2657 | if (ntohl(new->start.s_addr) > ntohl(new->end.s_addr)) | |
2658 | { | |
2659 | struct in_addr tmp = new->start; | |
2660 | new->start = new->end; | |
2661 | new->end = tmp; | |
2662 | } | |
2663 | ||
c4a7f90e | 2664 | if (k >= 3 && strchr(a[2], '.') && |
ddd9a6b4 | 2665 | (inet_pton(AF_INET, a[2], &new->netmask) > 0)) |
52b92f4d SK |
2666 | { |
2667 | new->flags |= CONTEXT_NETMASK; | |
2668 | leasepos = 3; | |
2669 | if (!is_same_net(new->start, new->end, new->netmask)) | |
c4a7f90e | 2670 | ret_err(_("inconsistent DHCP range")); |
52b92f4d SK |
2671 | } |
2672 | ||
2673 | if (k >= 4 && strchr(a[3], '.') && | |
ddd9a6b4 | 2674 | (inet_pton(AF_INET, a[3], &new->broadcast) > 0)) |
52b92f4d SK |
2675 | { |
2676 | new->flags |= CONTEXT_BRDCAST; | |
2677 | leasepos = 4; | |
2678 | } | |
849a8357 | 2679 | } |
52b92f4d SK |
2680 | #ifdef HAVE_DHCP6 |
2681 | else if (inet_pton(AF_INET6, a[0], &new->start6)) | |
849a8357 | 2682 | { |
89500e31 | 2683 | new->flags |= CONTEXT_V6; |
52b92f4d | 2684 | new->prefix = 64; /* default */ |
30cd9666 | 2685 | new->end6 = new->start6; |
6692a1a5 SK |
2686 | new->next = daemon->dhcp6; |
2687 | daemon->dhcp6 = new; | |
2688 | ||
30cd9666 | 2689 | for (leasepos = 1; leasepos < k; leasepos++) |
801ca9a7 | 2690 | { |
30cd9666 SK |
2691 | if (strcmp(a[leasepos], "static") == 0) |
2692 | new->flags |= CONTEXT_STATIC | CONTEXT_DHCP; | |
2693 | else if (strcmp(a[leasepos], "ra-only") == 0 || strcmp(a[leasepos], "slaac") == 0 ) | |
7ea3d3fd | 2694 | new->flags |= CONTEXT_RA; |
30cd9666 | 2695 | else if (strcmp(a[leasepos], "ra-names") == 0) |
1f776932 | 2696 | new->flags |= CONTEXT_RA_NAME | CONTEXT_RA; |
7ea3d3fd SK |
2697 | else if (strcmp(a[leasepos], "ra-advrouter") == 0) |
2698 | new->flags |= CONTEXT_RA_ROUTER | CONTEXT_RA; | |
30cd9666 | 2699 | else if (strcmp(a[leasepos], "ra-stateless") == 0) |
1f776932 | 2700 | new->flags |= CONTEXT_RA_STATELESS | CONTEXT_DHCP | CONTEXT_RA; |
30cd9666 SK |
2701 | else if (leasepos == 1 && inet_pton(AF_INET6, a[leasepos], &new->end6)) |
2702 | new->flags |= CONTEXT_DHCP; | |
1f776932 SK |
2703 | else if (strstr(a[leasepos], "constructor:") == a[leasepos]) |
2704 | { | |
2705 | new->template_interface = opt_string_alloc(a[leasepos] + 12); | |
2706 | new->flags |= CONTEXT_TEMPLATE; | |
2707 | } | |
30cd9666 SK |
2708 | else |
2709 | break; | |
801ca9a7 | 2710 | } |
6692a1a5 | 2711 | |
52b92f4d | 2712 | /* bare integer < 128 is prefix value */ |
c4a7f90e | 2713 | if (leasepos < k) |
52b92f4d SK |
2714 | { |
2715 | int pref; | |
30cd9666 | 2716 | for (cp = a[leasepos]; *cp; cp++) |
52b92f4d SK |
2717 | if (!(*cp >= '0' && *cp <= '9')) |
2718 | break; | |
30cd9666 | 2719 | if (!*cp && (pref = atoi(a[leasepos])) <= 128) |
52b92f4d SK |
2720 | { |
2721 | new->prefix = pref; | |
30cd9666 | 2722 | leasepos++; |
52b92f4d SK |
2723 | } |
2724 | } | |
30cd9666 | 2725 | |
6692a1a5 SK |
2726 | if (new->prefix != 64) |
2727 | { | |
7ea3d3fd | 2728 | if (new->flags & CONTEXT_RA) |
6692a1a5 SK |
2729 | ret_err(_("prefix length must be exactly 64 for RA subnets")); |
2730 | else if (new->flags & CONTEXT_TEMPLATE) | |
2731 | ret_err(_("prefix length must be exactly 64 for subnet constructors")); | |
2732 | } | |
2733 | ||
2734 | if (new->prefix < 64) | |
2735 | ret_err(_("prefix length must be at least 64")); | |
2736 | ||
c4a7f90e SK |
2737 | if (!is_same_net6(&new->start6, &new->end6, new->prefix)) |
2738 | ret_err(_("inconsistent DHCPv6 range")); | |
6692a1a5 SK |
2739 | |
2740 | /* dhcp-range=:: enables DHCP stateless on any interface */ | |
2741 | if (IN6_IS_ADDR_UNSPECIFIED(&new->start6) && !(new->flags & CONTEXT_TEMPLATE)) | |
2742 | new->prefix = 0; | |
66409193 SK |
2743 | |
2744 | if (new->flags & CONTEXT_TEMPLATE) | |
2745 | { | |
2746 | struct in6_addr zero; | |
2747 | memset(&zero, 0, sizeof(zero)); | |
2748 | if (!is_same_net6(&zero, &new->start6, new->prefix)) | |
2749 | ret_err(_("prefix must be zero with \"constructor:\" argument")); | |
2750 | } | |
2751 | ||
c4a7f90e | 2752 | if (addr6part(&new->start6) > addr6part(&new->end6)) |
52b92f4d SK |
2753 | { |
2754 | struct in6_addr tmp = new->start6; | |
2755 | new->start6 = new->end6; | |
2756 | new->end6 = tmp; | |
2757 | } | |
849a8357 | 2758 | } |
52b92f4d | 2759 | #endif |
d9ee9c08 SK |
2760 | else |
2761 | ret_err(_("bad dhcp-range")); | |
849a8357 | 2762 | |
30cd9666 | 2763 | if (leasepos < k) |
849a8357 SK |
2764 | { |
2765 | if (strcmp(a[leasepos], "infinite") == 0) | |
2766 | new->lease_time = 0xffffffff; | |
c8257540 SK |
2767 | else if (strcmp(a[leasepos], "deprecated") == 0) |
2768 | new->flags |= CONTEXT_DEPRECATE; | |
849a8357 | 2769 | else |
9e4abcb5 | 2770 | { |
849a8357 SK |
2771 | int fac = 1; |
2772 | if (strlen(a[leasepos]) > 0) | |
36717eee | 2773 | { |
849a8357 | 2774 | switch (a[leasepos][strlen(a[leasepos]) - 1]) |
36717eee | 2775 | { |
42243214 SK |
2776 | case 'w': |
2777 | case 'W': | |
2778 | fac *= 7; | |
2779 | /* fall through */ | |
849a8357 SK |
2780 | case 'd': |
2781 | case 'D': | |
2782 | fac *= 24; | |
2783 | /* fall though */ | |
2784 | case 'h': | |
2785 | case 'H': | |
2786 | fac *= 60; | |
2787 | /* fall through */ | |
2788 | case 'm': | |
2789 | case 'M': | |
2790 | fac *= 60; | |
2791 | /* fall through */ | |
2792 | case 's': | |
2793 | case 'S': | |
f2621c7f | 2794 | a[leasepos][strlen(a[leasepos]) - 1] = 0; |
9e4abcb5 | 2795 | } |
849a8357 | 2796 | |
be37986a SK |
2797 | for (cp = a[leasepos]; *cp; cp++) |
2798 | if (!(*cp >= '0' && *cp <= '9')) | |
2799 | break; | |
2800 | ||
54dae552 | 2801 | if (*cp || (leasepos+1 < k)) |
be37986a SK |
2802 | ret_err(_("bad dhcp-range")); |
2803 | ||
849a8357 SK |
2804 | new->lease_time = atoi(a[leasepos]) * fac; |
2805 | /* Leases of a minute or less confuse | |
2806 | some clients, notably Apple's */ | |
2807 | if (new->lease_time < 120) | |
2808 | new->lease_time = 120; | |
9e4abcb5 | 2809 | } |
9e4abcb5 | 2810 | } |
849a8357 SK |
2811 | } |
2812 | break; | |
2813 | } | |
5aabfc78 | 2814 | |
5aabfc78 | 2815 | case LOPT_BANK: |
f2621c7f | 2816 | case 'G': /* --dhcp-host */ |
849a8357 | 2817 | { |
f2621c7f | 2818 | int j, k = 0; |
3e8ed78b | 2819 | char *a[7] = { NULL, NULL, NULL, NULL, NULL, NULL, NULL }; |
5aabfc78 | 2820 | struct dhcp_config *new; |
849a8357 SK |
2821 | struct in_addr in; |
2822 | ||
824af85b SK |
2823 | new = opt_malloc(sizeof(struct dhcp_config)); |
2824 | ||
849a8357 | 2825 | new->next = daemon->dhcp_conf; |
9009d746 SK |
2826 | new->flags = (option == LOPT_BANK) ? CONFIG_BANK : 0; |
2827 | new->hwaddr = NULL; | |
8ef5ada2 SK |
2828 | new->netid = NULL; |
2829 | ||
849a8357 | 2830 | if ((a[0] = arg)) |
3e8ed78b | 2831 | for (k = 1; k < 7; k++) |
f2621c7f SK |
2832 | if (!(a[k] = split(a[k-1]))) |
2833 | break; | |
849a8357 SK |
2834 | |
2835 | for (j = 0; j < k; j++) | |
2836 | if (strchr(a[j], ':')) /* ethernet address, netid or binary CLID */ | |
2837 | { | |
2838 | char *arg = a[j]; | |
2839 | ||
2840 | if ((arg[0] == 'i' || arg[0] == 'I') && | |
2841 | (arg[1] == 'd' || arg[1] == 'D') && | |
2842 | arg[2] == ':') | |
2843 | { | |
2844 | if (arg[3] == '*') | |
2845 | new->flags |= CONFIG_NOCLID; | |
2846 | else | |
3d8df260 | 2847 | { |
849a8357 SK |
2848 | int len; |
2849 | arg += 3; /* dump id: */ | |
2850 | if (strchr(arg, ':')) | |
2851 | len = parse_hex(arg, (unsigned char *)arg, -1, NULL, NULL); | |
2852 | else | |
5aabfc78 SK |
2853 | { |
2854 | unhide_metas(arg); | |
2855 | len = (int) strlen(arg); | |
2856 | } | |
2857 | ||
28866e95 | 2858 | if (len == -1) |
9f7f3b12 | 2859 | |
c4a7f90e | 2860 | ret_err(_("bad hex constant")); |
28866e95 | 2861 | else if ((new->clid = opt_malloc(len))) |
5aabfc78 SK |
2862 | { |
2863 | new->flags |= CONFIG_CLID; | |
2864 | new->clid_len = len; | |
2865 | memcpy(new->clid, arg, len); | |
2866 | } | |
3d8df260 | 2867 | } |
849a8357 | 2868 | } |
8ef5ada2 SK |
2869 | /* dhcp-host has strange backwards-compat needs. */ |
2870 | else if (strstr(arg, "net:") == arg || strstr(arg, "set:") == arg) | |
849a8357 | 2871 | { |
8ef5ada2 SK |
2872 | struct dhcp_netid *newtag = opt_malloc(sizeof(struct dhcp_netid)); |
2873 | struct dhcp_netid_list *newlist = opt_malloc(sizeof(struct dhcp_netid_list)); | |
2874 | newtag->net = opt_malloc(strlen(arg + 4) + 1); | |
2875 | newlist->next = new->netid; | |
2876 | new->netid = newlist; | |
2877 | newlist->list = newtag; | |
2878 | strcpy(newtag->net, arg+4); | |
2879 | unhide_metas(newtag->net); | |
849a8357 | 2880 | } |
7de060b0 | 2881 | else if (strstr(arg, "tag:") == arg) |
c4a7f90e | 2882 | ret_err(_("cannot match tags in --dhcp-host")); |
4cb1b320 SK |
2883 | #ifdef HAVE_DHCP6 |
2884 | else if (arg[0] == '[' && arg[strlen(arg)-1] == ']') | |
2885 | { | |
2886 | arg[strlen(arg)-1] = 0; | |
2887 | arg++; | |
2888 | ||
2889 | if (!inet_pton(AF_INET6, arg, &new->addr6)) | |
c4a7f90e | 2890 | ret_err(_("bad IPv6 address")); |
30393100 SK |
2891 | |
2892 | for (i= 0; i < 8; i++) | |
2893 | if (new->addr6.s6_addr[i] != 0) | |
2894 | break; | |
2895 | ||
2896 | /* set WILDCARD if network part all zeros */ | |
2897 | if (i == 8) | |
2898 | new->flags |= CONFIG_WILDCARD; | |
4cb1b320 SK |
2899 | |
2900 | new->flags |= CONFIG_ADDR6; | |
2901 | } | |
2902 | #endif | |
7de060b0 | 2903 | else |
849a8357 | 2904 | { |
9009d746 | 2905 | struct hwaddr_config *newhw = opt_malloc(sizeof(struct hwaddr_config)); |
28866e95 SK |
2906 | if ((newhw->hwaddr_len = parse_hex(a[j], newhw->hwaddr, DHCP_CHADDR_MAX, |
2907 | &newhw->wildcard_mask, &newhw->hwaddr_type)) == -1) | |
c4a7f90e | 2908 | ret_err(_("bad hex constant")); |
28866e95 SK |
2909 | else |
2910 | { | |
2911 | ||
2912 | newhw->next = new->hwaddr; | |
2913 | new->hwaddr = newhw; | |
2914 | } | |
849a8357 SK |
2915 | } |
2916 | } | |
ddd9a6b4 | 2917 | else if (strchr(a[j], '.') && (inet_pton(AF_INET, a[j], &in) > 0)) |
849a8357 | 2918 | { |
c4a7f90e SK |
2919 | struct dhcp_config *configs; |
2920 | ||
849a8357 SK |
2921 | new->addr = in; |
2922 | new->flags |= CONFIG_ADDR; | |
c4a7f90e SK |
2923 | |
2924 | /* If the same IP appears in more than one host config, then DISCOVER | |
2925 | for one of the hosts will get the address, but REQUEST will be NAKed, | |
2926 | since the address is reserved by the other one -> protocol loop. */ | |
2927 | for (configs = daemon->dhcp_conf; configs; configs = configs->next) | |
2928 | if ((configs->flags & CONFIG_ADDR) && configs->addr.s_addr == in.s_addr) | |
2929 | { | |
2930 | sprintf(errstr, _("duplicate dhcp-host IP address %s"), inet_ntoa(in)); | |
2931 | return 0; | |
2932 | } | |
849a8357 SK |
2933 | } |
2934 | else | |
2935 | { | |
2936 | char *cp, *lastp = NULL, last = 0; | |
76ff440e | 2937 | int fac = 1, isdig = 0; |
849a8357 SK |
2938 | |
2939 | if (strlen(a[j]) > 1) | |
2940 | { | |
2941 | lastp = a[j] + strlen(a[j]) - 1; | |
2942 | last = *lastp; | |
2943 | switch (last) | |
9e4abcb5 | 2944 | { |
42243214 SK |
2945 | case 'w': |
2946 | case 'W': | |
2947 | fac *= 7; | |
2948 | /* fall through */ | |
849a8357 SK |
2949 | case 'd': |
2950 | case 'D': | |
2951 | fac *= 24; | |
2952 | /* fall through */ | |
2953 | case 'h': | |
2954 | case 'H': | |
2955 | fac *= 60; | |
2956 | /* fall through */ | |
2957 | case 'm': | |
2958 | case 'M': | |
2959 | fac *= 60; | |
2960 | /* fall through */ | |
2961 | case 's': | |
2962 | case 'S': | |
2963 | *lastp = 0; | |
9e4abcb5 | 2964 | } |
849a8357 SK |
2965 | } |
2966 | ||
2967 | for (cp = a[j]; *cp; cp++) | |
76ff440e SK |
2968 | if (isdigit((unsigned char)*cp)) |
2969 | isdig = 1; | |
2970 | else if (*cp != ' ') | |
849a8357 | 2971 | break; |
76ff440e | 2972 | |
849a8357 SK |
2973 | if (*cp) |
2974 | { | |
2975 | if (lastp) | |
2976 | *lastp = last; | |
2977 | if (strcmp(a[j], "infinite") == 0) | |
33820b7e | 2978 | { |
849a8357 SK |
2979 | new->lease_time = 0xffffffff; |
2980 | new->flags |= CONFIG_TIME; | |
33820b7e | 2981 | } |
849a8357 SK |
2982 | else if (strcmp(a[j], "ignore") == 0) |
2983 | new->flags |= CONFIG_DISABLE; | |
9e4abcb5 SK |
2984 | else |
2985 | { | |
1f15b81d SK |
2986 | if (!(new->hostname = canonicalise_opt(a[j])) || |
2987 | !legal_hostname(new->hostname)) | |
c4a7f90e SK |
2988 | ret_err(_("bad DHCP host name")); |
2989 | ||
2990 | new->flags |= CONFIG_NAME; | |
2991 | new->domain = strip_hostname(new->hostname); | |
9e4abcb5 | 2992 | } |
849a8357 | 2993 | } |
76ff440e | 2994 | else if (isdig) |
849a8357 SK |
2995 | { |
2996 | new->lease_time = atoi(a[j]) * fac; | |
2997 | /* Leases of a minute or less confuse | |
2998 | some clients, notably Apple's */ | |
2999 | if (new->lease_time < 120) | |
3000 | new->lease_time = 120; | |
3001 | new->flags |= CONFIG_TIME; | |
3002 | } | |
3003 | } | |
3004 | ||
5aabfc78 | 3005 | daemon->dhcp_conf = new; |
849a8357 SK |
3006 | break; |
3007 | } | |
8ef5ada2 SK |
3008 | |
3009 | case LOPT_TAG_IF: /* --tag-if */ | |
3010 | { | |
3011 | struct tag_if *new = opt_malloc(sizeof(struct tag_if)); | |
3012 | ||
3013 | new->tag = NULL; | |
3014 | new->set = NULL; | |
3015 | new->next = NULL; | |
3016 | ||
3017 | /* preserve order */ | |
3018 | if (!daemon->tag_if) | |
3019 | daemon->tag_if = new; | |
3020 | else | |
3021 | { | |
3022 | struct tag_if *tmp; | |
3023 | for (tmp = daemon->tag_if; tmp->next; tmp = tmp->next); | |
3024 | tmp->next = new; | |
3025 | } | |
3026 | ||
3027 | while (arg) | |
3028 | { | |
3029 | size_t len; | |
3030 | ||
3031 | comma = split(arg); | |
3032 | len = strlen(arg); | |
3033 | ||
3034 | if (len < 5) | |
3035 | { | |
3036 | new->set = NULL; | |
3037 | break; | |
3038 | } | |
3039 | else | |
3040 | { | |
3041 | struct dhcp_netid *newtag = opt_malloc(sizeof(struct dhcp_netid)); | |
3042 | newtag->net = opt_malloc(len - 3); | |
3043 | strcpy(newtag->net, arg+4); | |
3044 | unhide_metas(newtag->net); | |
3045 | ||
3046 | if (strstr(arg, "set:") == arg) | |
3047 | { | |
3048 | struct dhcp_netid_list *newlist = opt_malloc(sizeof(struct dhcp_netid_list)); | |
3049 | newlist->next = new->set; | |
3050 | new->set = newlist; | |
3051 | newlist->list = newtag; | |
3052 | } | |
3053 | else if (strstr(arg, "tag:") == arg) | |
3054 | { | |
3055 | newtag->next = new->tag; | |
3056 | new->tag = newtag; | |
3057 | } | |
3058 | else | |
3059 | { | |
3060 | new->set = NULL; | |
4dc9c657 | 3061 | free(newtag); |
8ef5ada2 SK |
3062 | break; |
3063 | } | |
3064 | } | |
3065 | ||
3066 | arg = comma; | |
3067 | } | |
3068 | ||
3069 | if (!new->set) | |
c4a7f90e | 3070 | ret_err(_("bad tag-if")); |
8ef5ada2 SK |
3071 | |
3072 | break; | |
3073 | } | |
3074 | ||
849a8357 | 3075 | |
73a08a24 SK |
3076 | case 'O': /* --dhcp-option */ |
3077 | case LOPT_FORCE: /* --dhcp-option-force */ | |
824af85b | 3078 | case LOPT_OPTS: |
73a08a24 | 3079 | case LOPT_MATCH: /* --dhcp-match */ |
c4a7f90e SK |
3080 | return parse_dhcp_opt(errstr, arg, |
3081 | option == LOPT_FORCE ? DHOPT_FORCE : | |
3082 | (option == LOPT_MATCH ? DHOPT_MATCH : | |
3083 | (option == LOPT_OPTS ? DHOPT_BANK : 0))); | |
3084 | ||
f2621c7f | 3085 | case 'M': /* --dhcp-boot */ |
849a8357 SK |
3086 | { |
3087 | struct dhcp_netid *id = NULL; | |
8ef5ada2 | 3088 | while (is_tag_prefix(arg)) |
849a8357 | 3089 | { |
824af85b | 3090 | struct dhcp_netid *newid = opt_malloc(sizeof(struct dhcp_netid)); |
849a8357 SK |
3091 | newid->next = id; |
3092 | id = newid; | |
f2621c7f | 3093 | comma = split(arg); |
824af85b | 3094 | newid->net = opt_string_alloc(arg+4); |
849a8357 SK |
3095 | arg = comma; |
3096 | }; | |
3097 | ||
3098 | if (!arg) | |
c4a7f90e | 3099 | ret_err(gen_err); |
849a8357 SK |
3100 | else |
3101 | { | |
7de060b0 | 3102 | char *dhcp_file, *dhcp_sname = NULL, *tftp_sname = NULL; |
849a8357 | 3103 | struct in_addr dhcp_next_server; |
c4a7f90e | 3104 | struct dhcp_boot *new; |
f2621c7f | 3105 | comma = split(arg); |
824af85b | 3106 | dhcp_file = opt_string_alloc(arg); |
849a8357 SK |
3107 | dhcp_next_server.s_addr = 0; |
3108 | if (comma) | |
a84fa1d0 | 3109 | { |
849a8357 | 3110 | arg = comma; |
f2621c7f | 3111 | comma = split(arg); |
824af85b | 3112 | dhcp_sname = opt_string_alloc(arg); |
849a8357 | 3113 | if (comma) |
a84fa1d0 | 3114 | { |
849a8357 | 3115 | unhide_metas(comma); |
ddd9a6b4 SK |
3116 | if (!(inet_pton(AF_INET, comma, &dhcp_next_server) > 0)) |
3117 | { | |
3118 | /* | |
3119 | * The user may have specified the tftp hostname here. | |
3120 | * save it so that it can be resolved/looked up during | |
3121 | * actual dhcp_reply(). | |
3122 | */ | |
3123 | ||
3124 | tftp_sname = opt_string_alloc(comma); | |
3125 | dhcp_next_server.s_addr = 0; | |
3126 | } | |
a84fa1d0 | 3127 | } |
a84fa1d0 | 3128 | } |
c4a7f90e SK |
3129 | |
3130 | new = opt_malloc(sizeof(struct dhcp_boot)); | |
3131 | new->file = dhcp_file; | |
3132 | new->sname = dhcp_sname; | |
3133 | new->tftp_sname = tftp_sname; | |
3134 | new->next_server = dhcp_next_server; | |
3135 | new->netid = id; | |
3136 | new->next = daemon->boot_config; | |
3137 | daemon->boot_config = new; | |
849a8357 | 3138 | } |
ddd9a6b4 | 3139 | |
849a8357 SK |
3140 | break; |
3141 | } | |
7622fc06 SK |
3142 | |
3143 | case LOPT_PXE_PROMT: /* --pxe-prompt */ | |
3144 | { | |
3145 | struct dhcp_opt *new = opt_malloc(sizeof(struct dhcp_opt)); | |
3146 | int timeout; | |
3147 | ||
3148 | new->netid = NULL; | |
3149 | new->opt = 10; /* PXE_MENU_PROMPT */ | |
3150 | ||
8ef5ada2 SK |
3151 | while (is_tag_prefix(arg)) |
3152 | { | |
7622fc06 SK |
3153 | struct dhcp_netid *nn = opt_malloc(sizeof (struct dhcp_netid)); |
3154 | comma = split(arg); | |
3155 | nn->next = new->netid; | |
3156 | new->netid = nn; | |
3157 | nn->net = opt_string_alloc(arg+4); | |
3158 | arg = comma; | |
3159 | } | |
3160 | ||
3161 | if (!arg) | |
c4a7f90e | 3162 | ret_err(gen_err); |
7622fc06 SK |
3163 | else |
3164 | { | |
3165 | comma = split(arg); | |
3166 | unhide_metas(arg); | |
3167 | new->len = strlen(arg) + 1; | |
3168 | new->val = opt_malloc(new->len); | |
3169 | memcpy(new->val + 1, arg, new->len - 1); | |
3170 | ||
3171 | new->u.vendor_class = (unsigned char *)"PXEClient"; | |
3172 | new->flags = DHOPT_VENDOR; | |
3173 | ||
3174 | if (comma && atoi_check(comma, &timeout)) | |
3175 | *(new->val) = timeout; | |
3176 | else | |
3177 | *(new->val) = 255; | |
3178 | ||
3179 | new->next = daemon->dhcp_opts; | |
3180 | daemon->dhcp_opts = new; | |
1f15b81d | 3181 | daemon->enable_pxe = 1; |
7622fc06 SK |
3182 | } |
3183 | ||
3184 | break; | |
3185 | } | |
3186 | ||
3187 | case LOPT_PXE_SERV: /* --pxe-service */ | |
3188 | { | |
3189 | struct pxe_service *new = opt_malloc(sizeof(struct pxe_service)); | |
3190 | char *CSA[] = { "x86PC", "PC98", "IA64_EFI", "Alpha", "Arc_x86", "Intel_Lean_Client", | |
3191 | "IA32_EFI", "BC_EFI", "Xscale_EFI", "x86-64_EFI", NULL }; | |
3192 | static int boottype = 32768; | |
3193 | ||
3194 | new->netid = NULL; | |
751d6f4a | 3195 | new->sname = NULL; |
7622fc06 SK |
3196 | new->server.s_addr = 0; |
3197 | ||
8ef5ada2 | 3198 | while (is_tag_prefix(arg)) |
7622fc06 SK |
3199 | { |
3200 | struct dhcp_netid *nn = opt_malloc(sizeof (struct dhcp_netid)); | |
3201 | comma = split(arg); | |
3202 | nn->next = new->netid; | |
3203 | new->netid = nn; | |
3204 | nn->net = opt_string_alloc(arg+4); | |
3205 | arg = comma; | |
3206 | } | |
3207 | ||
3208 | if (arg && (comma = split(arg))) | |
3209 | { | |
3210 | for (i = 0; CSA[i]; i++) | |
3211 | if (strcasecmp(CSA[i], arg) == 0) | |
3212 | break; | |
3213 | ||
3214 | if (CSA[i] || atoi_check(arg, &i)) | |
3215 | { | |
3216 | arg = comma; | |
3217 | comma = split(arg); | |
3218 | ||
3219 | new->CSA = i; | |
3220 | new->menu = opt_string_alloc(arg); | |
3221 | ||
316e2730 SK |
3222 | if (!comma) |
3223 | { | |
3224 | new->type = 0; /* local boot */ | |
3225 | new->basename = NULL; | |
3226 | } | |
3227 | else | |
7622fc06 SK |
3228 | { |
3229 | arg = comma; | |
3230 | comma = split(arg); | |
3231 | if (atoi_check(arg, &i)) | |
3232 | { | |
3233 | new->type = i; | |
3234 | new->basename = NULL; | |
3235 | } | |
3236 | else | |
3237 | { | |
3238 | new->type = boottype++; | |
3239 | new->basename = opt_string_alloc(arg); | |
3240 | } | |
3241 | ||
751d6f4a SK |
3242 | if (comma) |
3243 | { | |
3244 | if (!inet_pton(AF_INET, comma, &new->server)) | |
3245 | { | |
3246 | new->server.s_addr = 0; | |
3247 | new->sname = opt_string_alloc(comma); | |
3248 | } | |
3249 | ||
3250 | } | |
7622fc06 | 3251 | } |
751d6f4a | 3252 | |
316e2730 SK |
3253 | /* Order matters */ |
3254 | new->next = NULL; | |
3255 | if (!daemon->pxe_services) | |
3256 | daemon->pxe_services = new; | |
3257 | else | |
3258 | { | |
3259 | struct pxe_service *s; | |
3260 | for (s = daemon->pxe_services; s->next; s = s->next); | |
3261 | s->next = new; | |
3262 | } | |
3263 | ||
3264 | daemon->enable_pxe = 1; | |
3265 | break; | |
3266 | ||
7622fc06 SK |
3267 | } |
3268 | } | |
3269 | ||
c4a7f90e | 3270 | ret_err(gen_err); |
7622fc06 SK |
3271 | } |
3272 | ||
f2621c7f | 3273 | case '4': /* --dhcp-mac */ |
849a8357 | 3274 | { |
f2621c7f | 3275 | if (!(comma = split(arg))) |
c4a7f90e | 3276 | ret_err(gen_err); |
849a8357 SK |
3277 | else |
3278 | { | |
824af85b | 3279 | struct dhcp_mac *new = opt_malloc(sizeof(struct dhcp_mac)); |
8ef5ada2 | 3280 | new->netid.net = opt_string_alloc(set_prefix(arg)); |
f2621c7f SK |
3281 | unhide_metas(comma); |
3282 | new->hwaddr_len = parse_hex(comma, new->hwaddr, DHCP_CHADDR_MAX, &new->mask, &new->hwaddr_type); | |
28866e95 | 3283 | if (new->hwaddr_len == -1) |
c4a7f90e | 3284 | ret_err(gen_err); |
28866e95 SK |
3285 | else |
3286 | { | |
3287 | new->next = daemon->dhcp_macs; | |
3288 | daemon->dhcp_macs = new; | |
3289 | } | |
849a8357 SK |
3290 | } |
3291 | } | |
3292 | break; | |
c630924d SK |
3293 | |
3294 | #ifdef OPTION6_PREFIX_CLASS | |
3295 | case LOPT_PREF_CLSS: /* --dhcp-prefix-class */ | |
3296 | { | |
3297 | struct prefix_class *new = opt_malloc(sizeof(struct prefix_class)); | |
3298 | ||
3299 | if (!(comma = split(arg)) || | |
3300 | !atoi_check16(comma, &new->class)) | |
3301 | ret_err(gen_err); | |
3302 | ||
3303 | new->tag.net = opt_string_alloc(set_prefix(arg)); | |
3304 | new->next = daemon->prefix_classes; | |
3305 | daemon->prefix_classes = new; | |
3306 | ||
3307 | break; | |
3308 | } | |
3309 | #endif | |
3310 | ||
3311 | ||
f2621c7f SK |
3312 | case 'U': /* --dhcp-vendorclass */ |
3313 | case 'j': /* --dhcp-userclass */ | |
3314 | case LOPT_CIRCUIT: /* --dhcp-circuitid */ | |
3315 | case LOPT_REMOTE: /* --dhcp-remoteid */ | |
3316 | case LOPT_SUBSCR: /* --dhcp-subscrid */ | |
849a8357 | 3317 | { |
c4a7f90e SK |
3318 | unsigned char *p; |
3319 | int dig = 0; | |
3320 | struct dhcp_vendor *new = opt_malloc(sizeof(struct dhcp_vendor)); | |
3321 | ||
3322 | if (!(comma = split(arg))) | |
3323 | ret_err(gen_err); | |
3324 | ||
3325 | new->netid.net = opt_string_alloc(set_prefix(arg)); | |
3326 | /* check for hex string - must digits may include : must not have nothing else, | |
3327 | only allowed for agent-options. */ | |
3328 | ||
3329 | arg = comma; | |
3330 | if ((comma = split(arg))) | |
3331 | { | |
3332 | if (option != 'U' || strstr(arg, "enterprise:") != arg) | |
3333 | ret_err(gen_err); | |
3334 | else | |
3335 | new->enterprise = atoi(arg+11); | |
3336 | } | |
3337 | else | |
3338 | comma = arg; | |
3339 | ||
3340 | for (p = (unsigned char *)comma; *p; p++) | |
3341 | if (isxdigit(*p)) | |
3342 | dig = 1; | |
3343 | else if (*p != ':') | |
3344 | break; | |
3345 | unhide_metas(comma); | |
3346 | if (option == 'U' || option == 'j' || *p || !dig) | |
3347 | { | |
3348 | new->len = strlen(comma); | |
3349 | new->data = opt_malloc(new->len); | |
3350 | memcpy(new->data, comma, new->len); | |
3351 | } | |
3352 | else | |
3353 | { | |
3354 | new->len = parse_hex(comma, (unsigned char *)comma, strlen(comma), NULL, NULL); | |
3355 | new->data = opt_malloc(new->len); | |
3356 | memcpy(new->data, comma, new->len); | |
3357 | } | |
3358 | ||
3359 | switch (option) | |
3360 | { | |
3361 | case 'j': | |
3362 | new->match_type = MATCH_USER; | |
3363 | break; | |
3364 | case 'U': | |
3365 | new->match_type = MATCH_VENDOR; | |
3366 | break; | |
3367 | case LOPT_CIRCUIT: | |
3368 | new->match_type = MATCH_CIRCUIT; | |
3369 | break; | |
3370 | case LOPT_REMOTE: | |
3371 | new->match_type = MATCH_REMOTE; | |
3372 | break; | |
3373 | case LOPT_SUBSCR: | |
3374 | new->match_type = MATCH_SUBSCRIBER; | |
3375 | break; | |
3376 | } | |
3377 | new->next = daemon->dhcp_vendors; | |
3378 | daemon->dhcp_vendors = new; | |
824af85b | 3379 | |
c4a7f90e | 3380 | break; |
849a8357 SK |
3381 | } |
3382 | ||
9e038946 SK |
3383 | case LOPT_ALTPORT: /* --dhcp-alternate-port */ |
3384 | if (!arg) | |
3385 | { | |
3386 | daemon->dhcp_server_port = DHCP_SERVER_ALTPORT; | |
3387 | daemon->dhcp_client_port = DHCP_CLIENT_ALTPORT; | |
3388 | } | |
3389 | else | |
3390 | { | |
3391 | comma = split(arg); | |
1ad24ae1 SK |
3392 | if (!atoi_check16(arg, &daemon->dhcp_server_port) || |
3393 | (comma && !atoi_check16(comma, &daemon->dhcp_client_port))) | |
c4a7f90e | 3394 | ret_err(_("invalid port number")); |
9e038946 SK |
3395 | if (!comma) |
3396 | daemon->dhcp_client_port = daemon->dhcp_server_port+1; | |
3397 | } | |
3398 | break; | |
3399 | ||
824af85b SK |
3400 | case 'J': /* --dhcp-ignore */ |
3401 | case LOPT_NO_NAMES: /* --dhcp-ignore-names */ | |
3402 | case LOPT_BROADCAST: /* --dhcp-broadcast */ | |
8ef5ada2 SK |
3403 | case '3': /* --bootp-dynamic */ |
3404 | case LOPT_GEN_NAMES: /* --dhcp-generate-names */ | |
849a8357 | 3405 | { |
824af85b | 3406 | struct dhcp_netid_list *new = opt_malloc(sizeof(struct dhcp_netid_list)); |
849a8357 | 3407 | struct dhcp_netid *list = NULL; |
832af0ba SK |
3408 | if (option == 'J') |
3409 | { | |
3410 | new->next = daemon->dhcp_ignore; | |
3411 | daemon->dhcp_ignore = new; | |
3412 | } | |
824af85b SK |
3413 | else if (option == LOPT_BROADCAST) |
3414 | { | |
3415 | new->next = daemon->force_broadcast; | |
3416 | daemon->force_broadcast = new; | |
3417 | } | |
9009d746 SK |
3418 | else if (option == '3') |
3419 | { | |
3420 | new->next = daemon->bootp_dynamic; | |
3421 | daemon->bootp_dynamic = new; | |
3422 | } | |
8ef5ada2 SK |
3423 | else if (option == LOPT_GEN_NAMES) |
3424 | { | |
3425 | new->next = daemon->dhcp_gen_names; | |
3426 | daemon->dhcp_gen_names = new; | |
3427 | } | |
832af0ba SK |
3428 | else |
3429 | { | |
3430 | new->next = daemon->dhcp_ignore_names; | |
3431 | daemon->dhcp_ignore_names = new; | |
3432 | } | |
3433 | ||
3434 | while (arg) { | |
824af85b | 3435 | struct dhcp_netid *member = opt_malloc(sizeof(struct dhcp_netid)); |
f2621c7f | 3436 | comma = split(arg); |
849a8357 SK |
3437 | member->next = list; |
3438 | list = member; | |
8ef5ada2 | 3439 | if (is_tag_prefix(arg)) |
9009d746 SK |
3440 | member->net = opt_string_alloc(arg+4); |
3441 | else | |
3442 | member->net = opt_string_alloc(arg); | |
849a8357 | 3443 | arg = comma; |
832af0ba | 3444 | } |
849a8357 SK |
3445 | |
3446 | new->list = list; | |
3447 | break; | |
3448 | } | |
8ef5ada2 SK |
3449 | |
3450 | case LOPT_PROXY: /* --dhcp-proxy */ | |
3451 | daemon->override = 1; | |
3452 | while (arg) { | |
3453 | struct addr_list *new = opt_malloc(sizeof(struct addr_list)); | |
3454 | comma = split(arg); | |
ddd9a6b4 | 3455 | if (!(inet_pton(AF_INET, arg, &new->addr) > 0)) |
c4a7f90e | 3456 | ret_err(_("bad dhcp-proxy address")); |
8ef5ada2 SK |
3457 | new->next = daemon->override_relays; |
3458 | daemon->override_relays = new; | |
3459 | arg = comma; | |
3460 | } | |
3461 | break; | |
ff7eea27 SK |
3462 | |
3463 | case LOPT_RELAY: /* --dhcp-relay */ | |
3464 | { | |
3465 | struct dhcp_relay *new = opt_malloc(sizeof(struct dhcp_relay)); | |
3466 | comma = split(arg); | |
3467 | new->interface = opt_string_alloc(split(comma)); | |
3468 | new->iface_index = 0; | |
3469 | if (inet_pton(AF_INET, arg, &new->local) && inet_pton(AF_INET, comma, &new->server)) | |
3470 | { | |
3471 | new->next = daemon->relay4; | |
3472 | daemon->relay4 = new; | |
3473 | } | |
3474 | #ifdef HAVE_DHCP6 | |
3475 | else if (inet_pton(AF_INET6, arg, &new->local) && inet_pton(AF_INET6, comma, &new->server)) | |
3476 | { | |
3477 | new->next = daemon->relay6; | |
3478 | daemon->relay6 = new; | |
3479 | } | |
3480 | #endif | |
3481 | else | |
3482 | ret_err(_("Bad dhcp-relay")); | |
3483 | ||
3484 | break; | |
3485 | } | |
3486 | ||
7622fc06 | 3487 | #endif |
849a8357 | 3488 | |
8b372704 | 3489 | #ifdef HAVE_DHCP6 |
c4cd95df SK |
3490 | case LOPT_RA_PARAM: /* --ra-param */ |
3491 | if ((comma = split(arg))) | |
3492 | { | |
3493 | struct ra_interface *new = opt_malloc(sizeof(struct ra_interface)); | |
3494 | new->lifetime = -1; | |
3495 | new->prio = 0; | |
3496 | new->name = opt_string_alloc(arg); | |
3497 | if (strcasestr(comma, "high") == comma || strcasestr(comma, "low") == comma) | |
3498 | { | |
3499 | if (*comma == 'l' || *comma == 'L') | |
3500 | new->prio = 0x18; | |
3501 | else | |
3502 | new->prio = 0x08; | |
3503 | comma = split(comma); | |
3504 | } | |
3505 | arg = split(comma); | |
3506 | if (!atoi_check(comma, &new->interval) || | |
3507 | (arg && !atoi_check(arg, &new->lifetime))) | |
3508 | ret_err(_("bad RA-params")); | |
3509 | ||
3510 | new->next = daemon->ra_interfaces; | |
3511 | daemon->ra_interfaces = new; | |
3512 | } | |
3513 | break; | |
3514 | ||
8b372704 SK |
3515 | case LOPT_DUID: /* --dhcp-duid */ |
3516 | if (!(comma = split(arg)) || !atoi_check(arg, (int *)&daemon->duid_enterprise)) | |
c4a7f90e | 3517 | ret_err(_("bad DUID")); |
8b372704 SK |
3518 | else |
3519 | { | |
3520 | daemon->duid_config_len = parse_hex(comma,(unsigned char *)comma, strlen(comma), NULL, NULL); | |
3521 | daemon->duid_config = opt_malloc(daemon->duid_config_len); | |
3522 | memcpy(daemon->duid_config, comma, daemon->duid_config_len); | |
3523 | } | |
3524 | break; | |
3525 | #endif | |
3526 | ||
f2621c7f | 3527 | case 'V': /* --alias */ |
849a8357 | 3528 | { |
73a08a24 | 3529 | char *dash, *a[3] = { NULL, NULL, NULL }; |
f2621c7f | 3530 | int k = 0; |
73a08a24 SK |
3531 | struct doctor *new = opt_malloc(sizeof(struct doctor)); |
3532 | new->next = daemon->doctors; | |
3533 | daemon->doctors = new; | |
3534 | new->mask.s_addr = 0xffffffff; | |
3535 | new->end.s_addr = 0; | |
3536 | ||
849a8357 SK |
3537 | if ((a[0] = arg)) |
3538 | for (k = 1; k < 3; k++) | |
3539 | { | |
f2621c7f | 3540 | if (!(a[k] = split(a[k-1]))) |
849a8357 | 3541 | break; |
849a8357 SK |
3542 | unhide_metas(a[k]); |
3543 | } | |
849a8357 | 3544 | |
73a08a24 SK |
3545 | dash = split_chr(a[0], '-'); |
3546 | ||
849a8357 | 3547 | if ((k < 2) || |
ddd9a6b4 SK |
3548 | (!(inet_pton(AF_INET, a[0], &new->in) > 0)) || |
3549 | (!(inet_pton(AF_INET, a[1], &new->out) > 0))) | |
73a08a24 | 3550 | option = '?'; |
849a8357 SK |
3551 | |
3552 | if (k == 3) | |
ddd9a6b4 | 3553 | inet_pton(AF_INET, a[2], &new->mask); |
849a8357 | 3554 | |
73a08a24 | 3555 | if (dash && |
ddd9a6b4 | 3556 | (!(inet_pton(AF_INET, dash, &new->end) > 0) || |
73a08a24 SK |
3557 | !is_same_net(new->in, new->end, new->mask) || |
3558 | ntohl(new->in.s_addr) > ntohl(new->end.s_addr))) | |
c4a7f90e | 3559 | ret_err(_("invalid alias range")); |
849a8357 SK |
3560 | |
3561 | break; | |
3562 | } | |
3563 | ||
f2621c7f | 3564 | case LOPT_INTNAME: /* --interface-name */ |
832af0ba | 3565 | { |
f2621c7f | 3566 | struct interface_name *new, **up; |
1f15b81d SK |
3567 | char *domain = NULL; |
3568 | ||
f2621c7f SK |
3569 | comma = split(arg); |
3570 | ||
1f15b81d | 3571 | if (!comma || !(domain = canonicalise_opt(arg))) |
c4a7f90e | 3572 | ret_err(_("bad interface name")); |
1f15b81d | 3573 | |
824af85b | 3574 | new = opt_malloc(sizeof(struct interface_name)); |
f2621c7f | 3575 | new->next = NULL; |
376d48c7 SK |
3576 | new->addr = NULL; |
3577 | ||
f2621c7f SK |
3578 | /* Add to the end of the list, so that first name |
3579 | of an interface is used for PTR lookups. */ | |
824af85b | 3580 | for (up = &daemon->int_names; *up; up = &((*up)->next)); |
f2621c7f | 3581 | *up = new; |
1f15b81d | 3582 | new->name = domain; |
f7029f5c SK |
3583 | new->family = 0; |
3584 | arg = split_chr(comma, '/'); | |
3585 | if (arg) | |
3586 | { | |
3587 | if (strcmp(arg, "4") == 0) | |
3588 | new->family = AF_INET; | |
3589 | #ifdef HAVE_IPV6 | |
3590 | else if (strcmp(arg, "6") == 0) | |
3591 | new->family = AF_INET6; | |
3592 | #endif | |
3593 | else | |
3594 | ret_err(gen_err); | |
3595 | } | |
824af85b | 3596 | new->intr = opt_string_alloc(comma); |
f2621c7f SK |
3597 | break; |
3598 | } | |
9009d746 SK |
3599 | |
3600 | case LOPT_CNAME: /* --cname */ | |
3601 | { | |
3602 | struct cname *new; | |
c4a7f90e SK |
3603 | char *alias; |
3604 | char *target; | |
3605 | ||
9009d746 | 3606 | if (!(comma = split(arg))) |
c4a7f90e SK |
3607 | ret_err(gen_err); |
3608 | ||
3609 | alias = canonicalise_opt(arg); | |
3610 | target = canonicalise_opt(comma); | |
3611 | ||
3612 | if (!alias || !target) | |
3613 | ret_err(_("bad CNAME")); | |
9009d746 SK |
3614 | else |
3615 | { | |
c4a7f90e SK |
3616 | for (new = daemon->cnames; new; new = new->next) |
3617 | if (hostname_isequal(new->alias, arg)) | |
3618 | ret_err(_("duplicate CNAME")); | |
3619 | new = opt_malloc(sizeof(struct cname)); | |
3620 | new->next = daemon->cnames; | |
3621 | daemon->cnames = new; | |
3622 | new->alias = alias; | |
3623 | new->target = target; | |
9009d746 | 3624 | } |
c4a7f90e | 3625 | |
9009d746 SK |
3626 | break; |
3627 | } | |
f2621c7f SK |
3628 | |
3629 | case LOPT_PTR: /* --ptr-record */ | |
3630 | { | |
3631 | struct ptr_record *new; | |
1f15b81d SK |
3632 | char *dom, *target = NULL; |
3633 | ||
f2621c7f SK |
3634 | comma = split(arg); |
3635 | ||
1f15b81d SK |
3636 | if (!(dom = canonicalise_opt(arg)) || |
3637 | (comma && !(target = canonicalise_opt(comma)))) | |
c4a7f90e | 3638 | ret_err(_("bad PTR record")); |
1f15b81d SK |
3639 | else |
3640 | { | |
3641 | new = opt_malloc(sizeof(struct ptr_record)); | |
3642 | new->next = daemon->ptr; | |
3643 | daemon->ptr = new; | |
3644 | new->name = dom; | |
3645 | new->ptr = target; | |
3646 | } | |
832af0ba SK |
3647 | break; |
3648 | } | |
3649 | ||
1a6bca81 SK |
3650 | case LOPT_NAPTR: /* --naptr-record */ |
3651 | { | |
3652 | char *a[7] = { NULL, NULL, NULL, NULL, NULL, NULL, NULL }; | |
3653 | int k = 0; | |
3654 | struct naptr *new; | |
3655 | int order, pref; | |
1f15b81d | 3656 | char *name, *replace = NULL; |
1a6bca81 SK |
3657 | |
3658 | if ((a[0] = arg)) | |
3659 | for (k = 1; k < 7; k++) | |
3660 | if (!(a[k] = split(a[k-1]))) | |
3661 | break; | |
3662 | ||
3663 | ||
3664 | if (k < 6 || | |
1f15b81d | 3665 | !(name = canonicalise_opt(a[0])) || |
1ad24ae1 SK |
3666 | !atoi_check16(a[1], &order) || |
3667 | !atoi_check16(a[2], &pref) || | |
1f15b81d | 3668 | (k == 7 && !(replace = canonicalise_opt(a[6])))) |
c4a7f90e | 3669 | ret_err(_("bad NAPTR record")); |
1a6bca81 SK |
3670 | else |
3671 | { | |
3672 | new = opt_malloc(sizeof(struct naptr)); | |
3673 | new->next = daemon->naptr; | |
3674 | daemon->naptr = new; | |
1f15b81d | 3675 | new->name = name; |
1a6bca81 SK |
3676 | new->flags = opt_string_alloc(a[3]); |
3677 | new->services = opt_string_alloc(a[4]); | |
3678 | new->regexp = opt_string_alloc(a[5]); | |
1f15b81d | 3679 | new->replace = replace; |
1a6bca81 SK |
3680 | new->order = order; |
3681 | new->pref = pref; | |
3682 | } | |
3683 | break; | |
3684 | } | |
9f7f3b12 SK |
3685 | |
3686 | case LOPT_RR: /* dns-rr */ | |
3687 | { | |
3688 | struct txt_record *new; | |
d082faf3 | 3689 | size_t len = len; |
9f7f3b12 SK |
3690 | char *data; |
3691 | int val; | |
3692 | ||
3693 | comma = split(arg); | |
3694 | data = split(comma); | |
3695 | ||
3696 | new = opt_malloc(sizeof(struct txt_record)); | |
3697 | new->next = daemon->rr; | |
3698 | daemon->rr = new; | |
3699 | ||
3700 | if (!atoi_check(comma, &val) || | |
3701 | !(new->name = canonicalise_opt(arg)) || | |
51931b88 | 3702 | (data && (len = parse_hex(data, (unsigned char *)data, -1, NULL, NULL)) == -1U)) |
c4a7f90e SK |
3703 | ret_err(_("bad RR record")); |
3704 | ||
9f7f3b12 SK |
3705 | new->class = val; |
3706 | new->len = 0; | |
3707 | ||
3708 | if (data) | |
3709 | { | |
3710 | new->txt=opt_malloc(len); | |
3711 | new->len = len; | |
3712 | memcpy(new->txt, data, len); | |
3713 | } | |
3714 | ||
3715 | break; | |
3716 | } | |
3717 | ||
f2621c7f | 3718 | case 'Y': /* --txt-record */ |
849a8357 SK |
3719 | { |
3720 | struct txt_record *new; | |
28866e95 SK |
3721 | unsigned char *p, *cnt; |
3722 | size_t len; | |
3723 | ||
3724 | comma = split(arg); | |
3725 | ||
824af85b | 3726 | new = opt_malloc(sizeof(struct txt_record)); |
849a8357 SK |
3727 | new->next = daemon->txt; |
3728 | daemon->txt = new; | |
3729 | new->class = C_IN; | |
fec216df SK |
3730 | new->stat = 0; |
3731 | ||
1f15b81d | 3732 | if (!(new->name = canonicalise_opt(arg))) |
c4a7f90e SK |
3733 | ret_err(_("bad TXT record")); |
3734 | ||
28866e95 SK |
3735 | len = comma ? strlen(comma) : 0; |
3736 | len += (len/255) + 1; /* room for extra counts */ | |
3737 | new->txt = p = opt_malloc(len); | |
3738 | ||
3739 | cnt = p++; | |
3740 | *cnt = 0; | |
3741 | ||
3742 | while (comma && *comma) | |
3743 | { | |
3744 | unsigned char c = (unsigned char)*comma++; | |
3745 | ||
3746 | if (c == ',' || *cnt == 255) | |
3747 | { | |
3748 | if (c != ',') | |
3749 | comma--; | |
3750 | cnt = p++; | |
3751 | *cnt = 0; | |
3752 | } | |
3753 | else | |
3754 | { | |
3755 | *p++ = unhide_meta(c); | |
3756 | (*cnt)++; | |
3757 | } | |
3758 | } | |
3759 | ||
3760 | new->len = p - new->txt; | |
3761 | ||
849a8357 SK |
3762 | break; |
3763 | } | |
3764 | ||
f2621c7f | 3765 | case 'W': /* --srv-host */ |
849a8357 SK |
3766 | { |
3767 | int port = 1, priority = 0, weight = 0; | |
3768 | char *name, *target = NULL; | |
3769 | struct mx_srv_record *new; | |
3770 | ||
f2621c7f | 3771 | comma = split(arg); |
849a8357 | 3772 | |
1f15b81d | 3773 | if (!(name = canonicalise_opt(arg))) |
c4a7f90e SK |
3774 | ret_err(_("bad SRV record")); |
3775 | ||
849a8357 SK |
3776 | if (comma) |
3777 | { | |
3778 | arg = comma; | |
f2621c7f | 3779 | comma = split(arg); |
c4a7f90e SK |
3780 | if (!(target = canonicalise_opt(arg))) |
3781 | ret_err(_("bad SRV target")); | |
824af85b | 3782 | |
849a8357 | 3783 | if (comma) |
f6b7dc47 | 3784 | { |
849a8357 | 3785 | arg = comma; |
f2621c7f | 3786 | comma = split(arg); |
1ad24ae1 | 3787 | if (!atoi_check16(arg, &port)) |
c4a7f90e | 3788 | ret_err(_("invalid port number")); |
824af85b | 3789 | |
f6b7dc47 SK |
3790 | if (comma) |
3791 | { | |
91dccd09 | 3792 | arg = comma; |
f2621c7f | 3793 | comma = split(arg); |
1ad24ae1 | 3794 | if (!atoi_check16(arg, &priority)) |
c4a7f90e | 3795 | ret_err(_("invalid priority")); |
824af85b | 3796 | |
f6b7dc47 SK |
3797 | if (comma) |
3798 | { | |
91dccd09 | 3799 | arg = comma; |
f2621c7f | 3800 | comma = split(arg); |
1ad24ae1 | 3801 | if (!atoi_check16(arg, &weight)) |
c4a7f90e | 3802 | ret_err(_("invalid weight")); |
f6b7dc47 SK |
3803 | } |
3804 | } | |
f6b7dc47 | 3805 | } |
849a8357 SK |
3806 | } |
3807 | ||
824af85b | 3808 | new = opt_malloc(sizeof(struct mx_srv_record)); |
849a8357 SK |
3809 | new->next = daemon->mxnames; |
3810 | daemon->mxnames = new; | |
3811 | new->issrv = 1; | |
3812 | new->name = name; | |
3813 | new->target = target; | |
3814 | new->srvport = port; | |
3815 | new->priority = priority; | |
3816 | new->weight = weight; | |
3817 | break; | |
3818 | } | |
7622fc06 | 3819 | |
e759d426 SK |
3820 | case LOPT_HOST_REC: /* --host-record */ |
3821 | { | |
3822 | struct host_record *new = opt_malloc(sizeof(struct host_record)); | |
3823 | memset(new, 0, sizeof(struct host_record)); | |
3824 | ||
3825 | if (!arg || !(comma = split(arg))) | |
c4a7f90e SK |
3826 | ret_err(_("Bad host-record")); |
3827 | ||
3828 | while (arg) | |
3829 | { | |
3830 | struct all_addr addr; | |
3831 | if (inet_pton(AF_INET, arg, &addr)) | |
3832 | new->addr = addr.addr.addr4; | |
e759d426 | 3833 | #ifdef HAVE_IPV6 |
c4a7f90e SK |
3834 | else if (inet_pton(AF_INET6, arg, &addr)) |
3835 | new->addr6 = addr.addr.addr6; | |
e759d426 | 3836 | #endif |
c4a7f90e SK |
3837 | else |
3838 | { | |
3839 | int nomem; | |
3840 | char *canon = canonicalise(arg, &nomem); | |
3841 | struct name_list *nl = opt_malloc(sizeof(struct name_list)); | |
3842 | if (!canon) | |
3843 | ret_err(_("Bad name in host-record")); | |
3844 | ||
3845 | nl->name = canon; | |
3846 | /* keep order, so that PTR record goes to first name */ | |
3847 | nl->next = NULL; | |
3848 | if (!new->names) | |
3849 | new->names = nl; | |
3850 | else | |
3851 | { | |
3852 | struct name_list *tmp; | |
3853 | for (tmp = new->names; tmp->next; tmp = tmp->next); | |
3854 | tmp->next = nl; | |
3855 | } | |
c4a7f90e | 3856 | } |
e4807d8b SK |
3857 | |
3858 | arg = comma; | |
3859 | comma = split(arg); | |
c4a7f90e | 3860 | } |
e759d426 SK |
3861 | |
3862 | /* Keep list order */ | |
3863 | if (!daemon->host_records_tail) | |
3864 | daemon->host_records = new; | |
3865 | else | |
3866 | daemon->host_records_tail->next = new; | |
3867 | new->next = NULL; | |
3868 | daemon->host_records_tail = new; | |
3869 | break; | |
3870 | } | |
0fc2f313 SK |
3871 | |
3872 | #ifdef HAVE_DNSSEC | |
f6e62e2a SK |
3873 | case LOPT_DNSSEC_STAMP: |
3874 | daemon->timestamp_file = opt_string_alloc(arg); | |
3875 | break; | |
3876 | ||
ee415867 | 3877 | case LOPT_TRUST_ANCHOR: |
0fc2f313 | 3878 | { |
ee415867 SK |
3879 | struct ds_config *new = opt_malloc(sizeof(struct ds_config)); |
3880 | char *cp, *cp1, *keyhex, *digest, *algo = NULL; | |
3881 | int len; | |
cbf13a2a SK |
3882 | |
3883 | new->class = C_IN; | |
0fc2f313 | 3884 | |
cbf13a2a SK |
3885 | if ((comma = split(arg)) && (algo = split(comma))) |
3886 | { | |
3887 | int class = 0; | |
3888 | if (strcmp(comma, "IN") == 0) | |
3889 | class = C_IN; | |
3890 | else if (strcmp(comma, "CH") == 0) | |
3891 | class = C_CHAOS; | |
3892 | else if (strcmp(comma, "HS") == 0) | |
3893 | class = C_HESIOD; | |
3894 | ||
3895 | if (class != 0) | |
3896 | { | |
3897 | new->class = class; | |
3898 | comma = algo; | |
3899 | algo = split(comma); | |
3900 | } | |
3901 | } | |
3902 | ||
ee415867 SK |
3903 | if (!comma || !algo || !(digest = split(algo)) || !(keyhex = split(digest)) || |
3904 | !atoi_check16(comma, &new->keytag) || | |
3905 | !atoi_check8(algo, &new->algo) || | |
3906 | !atoi_check8(digest, &new->digest_type) || | |
cbf13a2a | 3907 | !(new->name = canonicalise_opt(arg))) |
ee415867 | 3908 | ret_err(_("bad trust anchor")); |
cbf13a2a | 3909 | |
0fc2f313 | 3910 | /* Upper bound on length */ |
ee415867 SK |
3911 | len = (2*strlen(keyhex))+1; |
3912 | new->digest = opt_malloc(len); | |
3913 | unhide_metas(keyhex); | |
3914 | /* 4034: "Whitespace is allowed within digits" */ | |
3915 | for (cp = keyhex; *cp; ) | |
3916 | if (isspace(*cp)) | |
3917 | for (cp1 = cp; *cp1; cp1++) | |
3918 | *cp1 = *(cp1+1); | |
3919 | else | |
3920 | cp++; | |
3921 | if ((new->digestlen = parse_hex(keyhex, (unsigned char *)new->digest, len, NULL, NULL)) == -1) | |
3922 | ret_err(_("bad HEX in trust anchor")); | |
3923 | ||
3924 | new->next = daemon->ds; | |
3925 | daemon->ds = new; | |
0fc2f313 | 3926 | |
0fc2f313 SK |
3927 | break; |
3928 | } | |
3929 | #endif | |
3930 | ||
7622fc06 | 3931 | default: |
0fc2f313 | 3932 | ret_err(_("unsupported option (check that dnsmasq was compiled with DHCP/TFTP/DNSSEC/DBus support)")); |
c4a7f90e | 3933 | |
849a8357 | 3934 | } |
824af85b | 3935 | |
c4a7f90e | 3936 | return 1; |
849a8357 SK |
3937 | } |
3938 | ||
28866e95 | 3939 | static void read_file(char *file, FILE *f, int hard_opt) |
849a8357 | 3940 | { |
824af85b | 3941 | volatile int lineno = 0; |
8ef5ada2 | 3942 | char *buff = daemon->namebuff; |
849a8357 SK |
3943 | |
3944 | while (fgets(buff, MAXDNAME, f)) | |
3945 | { | |
7b1eae4f SK |
3946 | int white, i; |
3947 | volatile int option = (hard_opt == LOPT_REV_SERV) ? 0 : hard_opt; | |
611ebc5f | 3948 | char *errmess, *p, *arg = NULL, *start; |
8ef5ada2 | 3949 | size_t len; |
832af0ba | 3950 | |
824af85b | 3951 | /* Memory allocation failure longjmps here if mem_recover == 1 */ |
7b1eae4f | 3952 | if (option != 0 || hard_opt == LOPT_REV_SERV) |
824af85b SK |
3953 | { |
3954 | if (setjmp(mem_jmp)) | |
3955 | continue; | |
3956 | mem_recover = 1; | |
3957 | } | |
3958 | ||
849a8357 | 3959 | lineno++; |
824af85b SK |
3960 | errmess = NULL; |
3961 | ||
849a8357 SK |
3962 | /* Implement quotes, inside quotes we allow \\ \" \n and \t |
3963 | metacharacters get hidden also strip comments */ | |
8ef5ada2 | 3964 | for (white = 1, p = buff; *p; p++) |
849a8357 SK |
3965 | { |
3966 | if (*p == '"') | |
3967 | { | |
3968 | memmove(p, p+1, strlen(p+1)+1); | |
8ef5ada2 | 3969 | |
849a8357 SK |
3970 | for(; *p && *p != '"'; p++) |
3971 | { | |
5aabfc78 | 3972 | if (*p == '\\' && strchr("\"tnebr\\", p[1])) |
849a8357 SK |
3973 | { |
3974 | if (p[1] == 't') | |
3975 | p[1] = '\t'; | |
3976 | else if (p[1] == 'n') | |
3977 | p[1] = '\n'; | |
849a8357 SK |
3978 | else if (p[1] == 'b') |
3979 | p[1] = '\b'; | |
3980 | else if (p[1] == 'r') | |
3981 | p[1] = '\r'; | |
6b01084f SK |
3982 | else if (p[1] == 'e') /* escape */ |
3983 | p[1] = '\033'; | |
849a8357 SK |
3984 | memmove(p, p+1, strlen(p+1)+1); |
3985 | } | |
3986 | *p = hide_meta(*p); | |
3987 | } | |
8ef5ada2 SK |
3988 | |
3989 | if (*p == 0) | |
f2621c7f SK |
3990 | { |
3991 | errmess = _("missing \""); | |
3992 | goto oops; | |
3993 | } | |
8ef5ada2 SK |
3994 | |
3995 | memmove(p, p+1, strlen(p+1)+1); | |
849a8357 | 3996 | } |
f2621c7f | 3997 | |
8ef5ada2 SK |
3998 | if (isspace(*p)) |
3999 | { | |
4000 | *p = ' '; | |
4001 | white = 1; | |
9e4abcb5 | 4002 | } |
8ef5ada2 SK |
4003 | else |
4004 | { | |
4005 | if (white && *p == '#') | |
4006 | { | |
4007 | *p = 0; | |
4008 | break; | |
4009 | } | |
4010 | white = 0; | |
4011 | } | |
849a8357 SK |
4012 | } |
4013 | ||
8ef5ada2 SK |
4014 | |
4015 | /* strip leading spaces */ | |
4016 | for (start = buff; *start && *start == ' '; start++); | |
4017 | ||
4018 | /* strip trailing spaces */ | |
4019 | for (len = strlen(start); (len != 0) && (start[len-1] == ' '); len--); | |
4020 | ||
4021 | if (len == 0) | |
849a8357 | 4022 | continue; |
8ef5ada2 SK |
4023 | else |
4024 | start[len] = 0; | |
4025 | ||
611ebc5f | 4026 | if (option != 0) |
8ef5ada2 SK |
4027 | arg = start; |
4028 | else if ((p=strchr(start, '='))) | |
849a8357 SK |
4029 | { |
4030 | /* allow spaces around "=" */ | |
8ef5ada2 SK |
4031 | for (arg = p+1; *arg == ' '; arg++); |
4032 | for (; p >= start && (*p == ' ' || *p == '='); p--) | |
849a8357 | 4033 | *p = 0; |
9e4abcb5 | 4034 | } |
849a8357 SK |
4035 | else |
4036 | arg = NULL; | |
832af0ba | 4037 | |
611ebc5f | 4038 | if (option == 0) |
5aabfc78 | 4039 | { |
5aabfc78 SK |
4040 | for (option = 0, i = 0; opts[i].name; i++) |
4041 | if (strcmp(opts[i].name, start) == 0) | |
4042 | { | |
4043 | option = opts[i].val; | |
4044 | break; | |
4045 | } | |
4046 | ||
4047 | if (!option) | |
4048 | errmess = _("bad option"); | |
4049 | else if (opts[i].has_arg == 0 && arg) | |
4050 | errmess = _("extraneous parameter"); | |
4051 | else if (opts[i].has_arg == 1 && !arg) | |
4052 | errmess = _("missing parameter"); | |
7b1eae4f SK |
4053 | else if (hard_opt == LOPT_REV_SERV && option != 'S' && option != LOPT_REV_SERV) |
4054 | errmess = _("illegal option"); | |
5aabfc78 | 4055 | } |
c4a7f90e SK |
4056 | |
4057 | oops: | |
832af0ba | 4058 | if (errmess) |
c4a7f90e SK |
4059 | strcpy(daemon->namebuff, errmess); |
4060 | ||
7b1eae4f | 4061 | if (errmess || !one_opt(option, arg, buff, _("error"), 0, hard_opt == LOPT_REV_SERV)) |
f2621c7f | 4062 | { |
c4a7f90e | 4063 | sprintf(daemon->namebuff + strlen(daemon->namebuff), _(" at line %d of %s"), lineno, file); |
824af85b | 4064 | if (hard_opt != 0) |
c4a7f90e | 4065 | my_syslog(LOG_ERR, "%s", daemon->namebuff); |
5aabfc78 | 4066 | else |
c4a7f90e | 4067 | die("%s", daemon->namebuff, EC_BADCONF); |
f2621c7f | 4068 | } |
849a8357 SK |
4069 | } |
4070 | ||
8ef5ada2 | 4071 | mem_recover = 0; |
849a8357 SK |
4072 | fclose(f); |
4073 | } | |
4074 | ||
5f4dc5c6 | 4075 | #ifdef HAVE_DHCP |
70d1873d | 4076 | int option_read_dynfile(char *file, int flags) |
5f4dc5c6 | 4077 | { |
f9c86370 SK |
4078 | my_syslog(MS_DHCP | LOG_INFO, _("read %s"), file); |
4079 | ||
70d1873d SK |
4080 | if (flags & AH_DHCP_HST) |
4081 | return one_file(file, LOPT_BANK); | |
4082 | else if (flags & AH_DHCP_OPT) | |
4083 | return one_file(file, LOPT_OPTS); | |
f9c86370 | 4084 | |
70d1873d | 4085 | return 0; |
5f4dc5c6 SK |
4086 | } |
4087 | #endif | |
4088 | ||
395eb719 | 4089 | static int one_file(char *file, int hard_opt) |
28866e95 SK |
4090 | { |
4091 | FILE *f; | |
4092 | int nofile_ok = 0; | |
4093 | static int read_stdin = 0; | |
4094 | static struct fileread { | |
4095 | dev_t dev; | |
4096 | ino_t ino; | |
4097 | struct fileread *next; | |
4098 | } *filesread = NULL; | |
4099 | ||
4100 | if (hard_opt == '7') | |
4101 | { | |
4102 | /* default conf-file reading */ | |
4103 | hard_opt = 0; | |
4104 | nofile_ok = 1; | |
4105 | } | |
4106 | ||
4107 | if (hard_opt == 0 && strcmp(file, "-") == 0) | |
4108 | { | |
4109 | if (read_stdin == 1) | |
395eb719 | 4110 | return 1; |
28866e95 SK |
4111 | read_stdin = 1; |
4112 | file = "stdin"; | |
4113 | f = stdin; | |
4114 | } | |
4115 | else | |
4116 | { | |
4117 | /* ignore repeated files. */ | |
4118 | struct stat statbuf; | |
4119 | ||
4120 | if (hard_opt == 0 && stat(file, &statbuf) == 0) | |
4121 | { | |
4122 | struct fileread *r; | |
4123 | ||
4124 | for (r = filesread; r; r = r->next) | |
4125 | if (r->dev == statbuf.st_dev && r->ino == statbuf.st_ino) | |
395eb719 | 4126 | return 1; |
28866e95 SK |
4127 | |
4128 | r = safe_malloc(sizeof(struct fileread)); | |
4129 | r->next = filesread; | |
4130 | filesread = r; | |
4131 | r->dev = statbuf.st_dev; | |
4132 | r->ino = statbuf.st_ino; | |
4133 | } | |
4134 | ||
4135 | if (!(f = fopen(file, "r"))) | |
4136 | { | |
4137 | if (errno == ENOENT && nofile_ok) | |
395eb719 | 4138 | return 1; /* No conffile, all done. */ |
28866e95 SK |
4139 | else |
4140 | { | |
4141 | char *str = _("cannot read %s: %s"); | |
4142 | if (hard_opt != 0) | |
4143 | { | |
4144 | my_syslog(LOG_ERR, str, file, strerror(errno)); | |
395eb719 | 4145 | return 0; |
28866e95 SK |
4146 | } |
4147 | else | |
4148 | die(str, file, EC_FILE); | |
4149 | } | |
4150 | } | |
4151 | } | |
4152 | ||
4153 | read_file(file, f, hard_opt); | |
395eb719 | 4154 | return 1; |
28866e95 SK |
4155 | } |
4156 | ||
4157 | /* expand any name which is a directory */ | |
4158 | struct hostsfile *expand_filelist(struct hostsfile *list) | |
4159 | { | |
19c51cfa | 4160 | unsigned int i; |
28866e95 SK |
4161 | struct hostsfile *ah; |
4162 | ||
19c51cfa SK |
4163 | /* find largest used index */ |
4164 | for (i = SRC_AH, ah = list; ah; ah = ah->next) | |
28866e95 SK |
4165 | { |
4166 | if (i <= ah->index) | |
4167 | i = ah->index + 1; | |
4168 | ||
4169 | if (ah->flags & AH_DIR) | |
4170 | ah->flags |= AH_INACTIVE; | |
4171 | else | |
4172 | ah->flags &= ~AH_INACTIVE; | |
4173 | } | |
4174 | ||
4175 | for (ah = list; ah; ah = ah->next) | |
4176 | if (!(ah->flags & AH_INACTIVE)) | |
4177 | { | |
4178 | struct stat buf; | |
4179 | if (stat(ah->fname, &buf) != -1 && S_ISDIR(buf.st_mode)) | |
4180 | { | |
4181 | DIR *dir_stream; | |
4182 | struct dirent *ent; | |
4183 | ||
4184 | /* don't read this as a file */ | |
4185 | ah->flags |= AH_INACTIVE; | |
5f4dc5c6 | 4186 | |
28866e95 SK |
4187 | if (!(dir_stream = opendir(ah->fname))) |
4188 | my_syslog(LOG_ERR, _("cannot access directory %s: %s"), | |
4189 | ah->fname, strerror(errno)); | |
4190 | else | |
4191 | { | |
4192 | while ((ent = readdir(dir_stream))) | |
4193 | { | |
4194 | size_t lendir = strlen(ah->fname); | |
4195 | size_t lenfile = strlen(ent->d_name); | |
4196 | struct hostsfile *ah1; | |
4197 | char *path; | |
4198 | ||
4199 | /* ignore emacs backups and dotfiles */ | |
4200 | if (lenfile == 0 || | |
4201 | ent->d_name[lenfile - 1] == '~' || | |
4202 | (ent->d_name[0] == '#' && ent->d_name[lenfile - 1] == '#') || | |
4203 | ent->d_name[0] == '.') | |
4204 | continue; | |
4205 | ||
4206 | /* see if we have an existing record. | |
4207 | dir is ah->fname | |
4208 | file is ent->d_name | |
4209 | path to match is ah1->fname */ | |
4210 | ||
4211 | for (ah1 = list; ah1; ah1 = ah1->next) | |
4212 | { | |
4213 | if (lendir < strlen(ah1->fname) && | |
4214 | strstr(ah1->fname, ah->fname) == ah1->fname && | |
4215 | ah1->fname[lendir] == '/' && | |
4216 | strcmp(ah1->fname + lendir + 1, ent->d_name) == 0) | |
4217 | { | |
4218 | ah1->flags &= ~AH_INACTIVE; | |
4219 | break; | |
4220 | } | |
4221 | } | |
4222 | ||
4223 | /* make new record */ | |
4224 | if (!ah1) | |
4225 | { | |
4226 | if (!(ah1 = whine_malloc(sizeof(struct hostsfile)))) | |
4227 | continue; | |
4228 | ||
4229 | if (!(path = whine_malloc(lendir + lenfile + 2))) | |
4230 | { | |
4231 | free(ah1); | |
4232 | continue; | |
4233 | } | |
4234 | ||
4235 | strcpy(path, ah->fname); | |
4236 | strcat(path, "/"); | |
4237 | strcat(path, ent->d_name); | |
4238 | ah1->fname = path; | |
4239 | ah1->index = i++; | |
4240 | ah1->flags = AH_DIR; | |
4241 | ah1->next = list; | |
4242 | list = ah1; | |
4243 | } | |
4244 | ||
4245 | /* inactivate record if not regular file */ | |
4246 | if ((ah1->flags & AH_DIR) && stat(ah1->fname, &buf) != -1 && !S_ISREG(buf.st_mode)) | |
4247 | ah1->flags |= AH_INACTIVE; | |
4248 | ||
4249 | } | |
4250 | closedir(dir_stream); | |
4251 | } | |
4252 | } | |
4253 | } | |
4254 | ||
4255 | return list; | |
4256 | } | |
4257 | ||
7b1eae4f SK |
4258 | void read_servers_file(void) |
4259 | { | |
4260 | FILE *f; | |
4261 | ||
4262 | if (!(f = fopen(daemon->servers_file, "r"))) | |
4263 | { | |
4264 | my_syslog(LOG_ERR, _("cannot read %s: %s"), daemon->servers_file, strerror(errno)); | |
4265 | return; | |
4266 | } | |
4267 | ||
4268 | mark_servers(SERV_FROM_FILE); | |
4269 | cleanup_servers(); | |
4270 | ||
4271 | read_file(daemon->servers_file, f, LOPT_REV_SERV); | |
4272 | } | |
4273 | ||
28866e95 | 4274 | |
7622fc06 | 4275 | #ifdef HAVE_DHCP |
824af85b SK |
4276 | void reread_dhcp(void) |
4277 | { | |
28866e95 SK |
4278 | struct hostsfile *hf; |
4279 | ||
824af85b SK |
4280 | if (daemon->dhcp_hosts_file) |
4281 | { | |
4282 | struct dhcp_config *configs, *cp, **up; | |
28866e95 | 4283 | |
824af85b SK |
4284 | /* remove existing... */ |
4285 | for (up = &daemon->dhcp_conf, configs = daemon->dhcp_conf; configs; configs = cp) | |
4286 | { | |
4287 | cp = configs->next; | |
4288 | ||
4289 | if (configs->flags & CONFIG_BANK) | |
4290 | { | |
9009d746 | 4291 | struct hwaddr_config *mac, *tmp; |
8ef5ada2 | 4292 | struct dhcp_netid_list *list, *tmplist; |
9009d746 SK |
4293 | |
4294 | for (mac = configs->hwaddr; mac; mac = tmp) | |
4295 | { | |
4296 | tmp = mac->next; | |
4297 | free(mac); | |
4298 | } | |
8ef5ada2 | 4299 | |
824af85b SK |
4300 | if (configs->flags & CONFIG_CLID) |
4301 | free(configs->clid); | |
8ef5ada2 SK |
4302 | |
4303 | for (list = configs->netid; list; list = tmplist) | |
4304 | { | |
4305 | free(list->list); | |
4306 | tmplist = list->next; | |
4307 | free(list); | |
4308 | } | |
4309 | ||
824af85b SK |
4310 | if (configs->flags & CONFIG_NAME) |
4311 | free(configs->hostname); | |
4312 | ||
4313 | *up = configs->next; | |
4314 | free(configs); | |
4315 | } | |
4316 | else | |
4317 | up = &configs->next; | |
4318 | } | |
4319 | ||
28866e95 SK |
4320 | daemon->dhcp_hosts_file = expand_filelist(daemon->dhcp_hosts_file); |
4321 | for (hf = daemon->dhcp_hosts_file; hf; hf = hf->next) | |
4322 | if (!(hf->flags & AH_INACTIVE)) | |
4323 | { | |
395eb719 SK |
4324 | if (one_file(hf->fname, LOPT_BANK)) |
4325 | my_syslog(MS_DHCP | LOG_INFO, _("read %s"), hf->fname); | |
28866e95 | 4326 | } |
824af85b SK |
4327 | } |
4328 | ||
4329 | if (daemon->dhcp_opts_file) | |
4330 | { | |
4331 | struct dhcp_opt *opts, *cp, **up; | |
4332 | struct dhcp_netid *id, *next; | |
4333 | ||
4334 | for (up = &daemon->dhcp_opts, opts = daemon->dhcp_opts; opts; opts = cp) | |
4335 | { | |
4336 | cp = opts->next; | |
4337 | ||
4338 | if (opts->flags & DHOPT_BANK) | |
4339 | { | |
73a08a24 SK |
4340 | if ((opts->flags & DHOPT_VENDOR)) |
4341 | free(opts->u.vendor_class); | |
824af85b SK |
4342 | free(opts->val); |
4343 | for (id = opts->netid; id; id = next) | |
4344 | { | |
4345 | next = id->next; | |
4346 | free(id->net); | |
4347 | free(id); | |
4348 | } | |
4349 | *up = opts->next; | |
4350 | free(opts); | |
4351 | } | |
4352 | else | |
4353 | up = &opts->next; | |
4354 | } | |
4355 | ||
28866e95 SK |
4356 | daemon->dhcp_opts_file = expand_filelist(daemon->dhcp_opts_file); |
4357 | for (hf = daemon->dhcp_opts_file; hf; hf = hf->next) | |
4358 | if (!(hf->flags & AH_INACTIVE)) | |
4359 | { | |
395eb719 SK |
4360 | if (one_file(hf->fname, LOPT_OPTS)) |
4361 | my_syslog(MS_DHCP | LOG_INFO, _("read %s"), hf->fname); | |
28866e95 | 4362 | } |
824af85b SK |
4363 | } |
4364 | } | |
7622fc06 | 4365 | #endif |
824af85b | 4366 | |
5aabfc78 | 4367 | void read_opts(int argc, char **argv, char *compile_opts) |
849a8357 | 4368 | { |
824af85b | 4369 | char *buff = opt_malloc(MAXDNAME); |
28866e95 | 4370 | int option, conffile_opt = '7', testmode = 0; |
28b879ac | 4371 | char *arg, *conffile = NULL; |
849a8357 SK |
4372 | |
4373 | opterr = 0; | |
5aabfc78 | 4374 | |
824af85b | 4375 | daemon = opt_malloc(sizeof(struct daemon)); |
849a8357 SK |
4376 | memset(daemon, 0, sizeof(struct daemon)); |
4377 | daemon->namebuff = buff; | |
4378 | ||
4379 | /* Set defaults - everything else is zero or NULL */ | |
4380 | daemon->cachesize = CACHESIZ; | |
208b65c5 | 4381 | daemon->ftabsize = FTABSIZ; |
849a8357 | 4382 | daemon->port = NAMESERVER_PORT; |
9e038946 SK |
4383 | daemon->dhcp_client_port = DHCP_CLIENT_PORT; |
4384 | daemon->dhcp_server_port = DHCP_SERVER_PORT; | |
849a8357 SK |
4385 | daemon->default_resolv.is_default = 1; |
4386 | daemon->default_resolv.name = RESOLVFILE; | |
4387 | daemon->resolv_files = &daemon->default_resolv; | |
4388 | daemon->username = CHUSER; | |
849a8357 SK |
4389 | daemon->runfile = RUNFILE; |
4390 | daemon->dhcp_max = MAXLEASES; | |
832af0ba | 4391 | daemon->tftp_max = TFTP_MAX_CONNECTIONS; |
849a8357 SK |
4392 | daemon->edns_pktsz = EDNS_PKTSZ; |
4393 | daemon->log_fac = -1; | |
4f7b304f SK |
4394 | daemon->auth_ttl = AUTH_TTL; |
4395 | daemon->soa_refresh = SOA_REFRESH; | |
4396 | daemon->soa_retry = SOA_RETRY; | |
4397 | daemon->soa_expiry = SOA_EXPIRY; | |
b5ea1cc2 | 4398 | |
fec216df SK |
4399 | add_txt("version.bind", "dnsmasq-" VERSION, 0 ); |
4400 | add_txt("authors.bind", "Simon Kelley", 0); | |
4401 | add_txt("copyright.bind", COPYRIGHT, 0); | |
4402 | add_txt("cachesize.bind", NULL, TXT_STAT_CACHESIZE); | |
4403 | add_txt("insertions.bind", NULL, TXT_STAT_INSERTS); | |
4404 | add_txt("evictions.bind", NULL, TXT_STAT_EVICTIONS); | |
4405 | add_txt("misses.bind", NULL, TXT_STAT_MISSES); | |
4406 | add_txt("hits.bind", NULL, TXT_STAT_HITS); | |
4407 | #ifdef HAVE_AUTH | |
4408 | add_txt("auth.bind", NULL, TXT_STAT_AUTH); | |
4409 | #endif | |
4410 | add_txt("servers.bind", NULL, TXT_STAT_SERVERS); | |
849a8357 SK |
4411 | |
4412 | while (1) | |
4413 | { | |
26128d27 | 4414 | #ifdef HAVE_GETOPT_LONG |
849a8357 | 4415 | option = getopt_long(argc, argv, OPTSTRING, opts, NULL); |
26128d27 | 4416 | #else |
849a8357 | 4417 | option = getopt(argc, argv, OPTSTRING); |
26128d27 | 4418 | #endif |
849a8357 SK |
4419 | |
4420 | if (option == -1) | |
28866e95 | 4421 | { |
572b41eb SK |
4422 | for (; optind < argc; optind++) |
4423 | { | |
4424 | unsigned char *c = (unsigned char *)argv[optind]; | |
4425 | for (; *c != 0; c++) | |
4426 | if (!isspace(*c)) | |
4427 | die(_("junk found in command line"), NULL, EC_BADCONF); | |
4428 | } | |
28866e95 SK |
4429 | break; |
4430 | } | |
4431 | ||
849a8357 SK |
4432 | /* Copy optarg so that argv doesn't get changed */ |
4433 | if (optarg) | |
4434 | { | |
4435 | strncpy(buff, optarg, MAXDNAME); | |
4436 | buff[MAXDNAME-1] = 0; | |
4437 | arg = buff; | |
9e4abcb5 | 4438 | } |
849a8357 SK |
4439 | else |
4440 | arg = NULL; | |
9e4abcb5 | 4441 | |
849a8357 | 4442 | /* command-line only stuff */ |
7622fc06 SK |
4443 | if (option == LOPT_TEST) |
4444 | testmode = 1; | |
4445 | else if (option == 'w') | |
849a8357 | 4446 | { |
7622fc06 | 4447 | #ifdef HAVE_DHCP |
4cb1b320 | 4448 | if (argc == 3 && strcmp(argv[2], "dhcp") == 0) |
7622fc06 | 4449 | display_opts(); |
4cb1b320 SK |
4450 | #ifdef HAVE_DHCP6 |
4451 | else if (argc == 3 && strcmp(argv[2], "dhcp6") == 0) | |
4452 | display_opts6(); | |
7622fc06 | 4453 | #endif |
4cb1b320 | 4454 | else |
7622fc06 | 4455 | #endif |
4cb1b320 SK |
4456 | do_usage(); |
4457 | ||
849a8357 SK |
4458 | exit(0); |
4459 | } | |
4460 | else if (option == 'v') | |
4461 | { | |
4462 | printf(_("Dnsmasq version %s %s\n"), VERSION, COPYRIGHT); | |
c72daea8 | 4463 | printf(_("Compile time options: %s\n\n"), compile_opts); |
849a8357 SK |
4464 | printf(_("This software comes with ABSOLUTELY NO WARRANTY.\n")); |
4465 | printf(_("Dnsmasq is free software, and you are welcome to redistribute it\n")); | |
824af85b | 4466 | printf(_("under the terms of the GNU General Public License, version 2 or 3.\n")); |
849a8357 SK |
4467 | exit(0); |
4468 | } | |
4469 | else if (option == 'C') | |
4470 | { | |
28866e95 | 4471 | conffile_opt = 0; /* file must exist */ |
824af85b | 4472 | conffile = opt_string_alloc(arg); |
849a8357 SK |
4473 | } |
4474 | else | |
4475 | { | |
4476 | #ifdef HAVE_GETOPT_LONG | |
7b1eae4f | 4477 | if (!one_opt(option, arg, daemon->namebuff, _("try --help"), 1, 0)) |
849a8357 | 4478 | #else |
7b1eae4f | 4479 | if (!one_opt(option, arg, daemon->namebuff, _("try -w"), 1, 0)) |
849a8357 | 4480 | #endif |
c4a7f90e | 4481 | die(_("bad command line options: %s"), daemon->namebuff, EC_BADCONF); |
849a8357 SK |
4482 | } |
4483 | } | |
4484 | ||
4485 | if (conffile) | |
28b879ac CW |
4486 | { |
4487 | one_file(conffile, conffile_opt); | |
4488 | free(conffile); | |
4489 | } | |
4490 | else | |
4491 | { | |
4492 | one_file(CONFFILE, conffile_opt); | |
4493 | } | |
849a8357 | 4494 | |
1a6bca81 | 4495 | /* port might not be known when the address is parsed - fill in here */ |
3be34541 | 4496 | if (daemon->servers) |
9e4abcb5 SK |
4497 | { |
4498 | struct server *tmp; | |
3be34541 | 4499 | for (tmp = daemon->servers; tmp; tmp = tmp->next) |
9e4abcb5 SK |
4500 | if (!(tmp->flags & SERV_HAS_SOURCE)) |
4501 | { | |
4502 | if (tmp->source_addr.sa.sa_family == AF_INET) | |
3be34541 | 4503 | tmp->source_addr.in.sin_port = htons(daemon->query_port); |
9e4abcb5 SK |
4504 | #ifdef HAVE_IPV6 |
4505 | else if (tmp->source_addr.sa.sa_family == AF_INET6) | |
3be34541 | 4506 | tmp->source_addr.in6.sin6_port = htons(daemon->query_port); |
5aabfc78 SK |
4507 | #endif |
4508 | } | |
9e4abcb5 SK |
4509 | } |
4510 | ||
3be34541 | 4511 | if (daemon->if_addrs) |
9e4abcb5 SK |
4512 | { |
4513 | struct iname *tmp; | |
3be34541 | 4514 | for(tmp = daemon->if_addrs; tmp; tmp = tmp->next) |
9e4abcb5 | 4515 | if (tmp->addr.sa.sa_family == AF_INET) |
3be34541 | 4516 | tmp->addr.in.sin_port = htons(daemon->port); |
9e4abcb5 SK |
4517 | #ifdef HAVE_IPV6 |
4518 | else if (tmp->addr.sa.sa_family == AF_INET6) | |
3be34541 | 4519 | tmp->addr.in6.sin6_port = htons(daemon->port); |
9e4abcb5 SK |
4520 | #endif /* IPv6 */ |
4521 | } | |
4f7b304f SK |
4522 | |
4523 | /* create default, if not specified */ | |
4524 | if (daemon->authserver && !daemon->hostmaster) | |
4525 | { | |
4526 | strcpy(buff, "hostmaster."); | |
4527 | strcat(buff, daemon->authserver); | |
4528 | daemon->hostmaster = opt_string_alloc(buff); | |
4529 | } | |
4530 | ||
f6b7dc47 | 4531 | /* only one of these need be specified: the other defaults to the host-name */ |
28866e95 | 4532 | if (option_bool(OPT_LOCALMX) || daemon->mxnames || daemon->mxtarget) |
9e4abcb5 | 4533 | { |
0a852541 SK |
4534 | struct mx_srv_record *mx; |
4535 | ||
9e4abcb5 | 4536 | if (gethostname(buff, MAXDNAME) == -1) |
5aabfc78 | 4537 | die(_("cannot get host-name: %s"), NULL, EC_MISC); |
f6b7dc47 | 4538 | |
0a852541 SK |
4539 | for (mx = daemon->mxnames; mx; mx = mx->next) |
4540 | if (!mx->issrv && hostname_isequal(mx->name, buff)) | |
4541 | break; | |
4542 | ||
28866e95 | 4543 | if ((daemon->mxtarget || option_bool(OPT_LOCALMX)) && !mx) |
de37951c | 4544 | { |
824af85b | 4545 | mx = opt_malloc(sizeof(struct mx_srv_record)); |
91dccd09 SK |
4546 | mx->next = daemon->mxnames; |
4547 | mx->issrv = 0; | |
4548 | mx->target = NULL; | |
824af85b | 4549 | mx->name = opt_string_alloc(buff); |
91dccd09 | 4550 | daemon->mxnames = mx; |
f6b7dc47 | 4551 | } |
9e4abcb5 | 4552 | |
3be34541 | 4553 | if (!daemon->mxtarget) |
824af85b | 4554 | daemon->mxtarget = opt_string_alloc(buff); |
0a852541 SK |
4555 | |
4556 | for (mx = daemon->mxnames; mx; mx = mx->next) | |
4557 | if (!mx->issrv && !mx->target) | |
4558 | mx->target = daemon->mxtarget; | |
9e4abcb5 | 4559 | } |
f6b7dc47 | 4560 | |
28866e95 | 4561 | if (!option_bool(OPT_NO_RESOLV) && |
208b65c5 SK |
4562 | daemon->resolv_files && |
4563 | daemon->resolv_files->next && | |
28866e95 | 4564 | option_bool(OPT_NO_POLL)) |
5aabfc78 | 4565 | die(_("only one resolv.conf file allowed in no-poll mode."), NULL, EC_BADCONF); |
de37951c | 4566 | |
28866e95 | 4567 | if (option_bool(OPT_RESOLV_DOMAIN)) |
de37951c SK |
4568 | { |
4569 | char *line; | |
849a8357 SK |
4570 | FILE *f; |
4571 | ||
28866e95 | 4572 | if (option_bool(OPT_NO_RESOLV) || |
208b65c5 SK |
4573 | !daemon->resolv_files || |
4574 | (daemon->resolv_files)->next) | |
5aabfc78 | 4575 | die(_("must have exactly one resolv.conf to read domain from."), NULL, EC_BADCONF); |
de37951c | 4576 | |
3be34541 | 4577 | if (!(f = fopen((daemon->resolv_files)->name, "r"))) |
5aabfc78 | 4578 | die(_("failed to read %s: %s"), (daemon->resolv_files)->name, EC_FILE); |
de37951c SK |
4579 | |
4580 | while ((line = fgets(buff, MAXDNAME, f))) | |
4581 | { | |
4582 | char *token = strtok(line, " \t\n\r"); | |
4583 | ||
4584 | if (!token || strcmp(token, "search") != 0) | |
4585 | continue; | |
4586 | ||
4587 | if ((token = strtok(NULL, " \t\n\r")) && | |
1f15b81d | 4588 | (daemon->domain_suffix = canonicalise_opt(token))) |
de37951c SK |
4589 | break; |
4590 | } | |
3be34541 | 4591 | |
de37951c | 4592 | fclose(f); |
8a911ccc | 4593 | |
3be34541 | 4594 | if (!daemon->domain_suffix) |
5aabfc78 | 4595 | die(_("no search directive found in %s"), (daemon->resolv_files)->name, EC_MISC); |
de37951c | 4596 | } |
3d8df260 SK |
4597 | |
4598 | if (daemon->domain_suffix) | |
4599 | { | |
4600 | /* add domain for any srv record without one. */ | |
4601 | struct mx_srv_record *srv; | |
de37951c | 4602 | |
3d8df260 SK |
4603 | for (srv = daemon->mxnames; srv; srv = srv->next) |
4604 | if (srv->issrv && | |
4605 | strchr(srv->name, '.') && | |
4606 | strchr(srv->name, '.') == strrchr(srv->name, '.')) | |
4607 | { | |
4608 | strcpy(buff, srv->name); | |
4609 | strcat(buff, "."); | |
4610 | strcat(buff, daemon->domain_suffix); | |
4611 | free(srv->name); | |
824af85b | 4612 | srv->name = opt_string_alloc(buff); |
3d8df260 SK |
4613 | } |
4614 | } | |
28866e95 | 4615 | else if (option_bool(OPT_DHCP_FQDN)) |
9009d746 | 4616 | die(_("there must be a default domain when --dhcp-fqdn is set"), NULL, EC_BADCONF); |
7622fc06 | 4617 | |
c8a80487 SK |
4618 | /* If there's access-control config, then ignore --local-service, it's intended |
4619 | as a system default to keep otherwise unconfigured installations safe. */ | |
4620 | if (daemon->if_names || daemon->if_except || daemon->if_addrs || daemon->authserver) | |
4621 | reset_option_bool(OPT_LOCAL_SERVICE); | |
4622 | ||
7622fc06 SK |
4623 | if (testmode) |
4624 | { | |
4625 | fprintf(stderr, "dnsmasq: %s.\n", _("syntax check OK")); | |
4626 | exit(0); | |
4627 | } | |
849a8357 | 4628 | } |