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c47e3ba4 | 1 | /* dnsmasq is Copyright (c) 2000-2014 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 */ |
8c0b73d3 KDB |
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 |
8c0b73d3 | 133 | #define LOPT_PREF_CLSS 321 |
c630924d | 134 | #endif |
8c0b73d3 KDB |
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 | |
5a4120db | 141 | #define LOPT_SEC_VALID 329 |
0fc2f313 | 142 | #define LOPT_DNSKEY 330 |
a25720a3 | 143 | #define LOPT_DNSSEC_PERM 331 |
7dbe193b | 144 | |
849a8357 SK |
145 | #ifdef HAVE_GETOPT_LONG |
146 | static const struct option opts[] = | |
147 | #else | |
148 | static const struct myoption opts[] = | |
149 | #endif | |
150 | { | |
7622fc06 SK |
151 | { "version", 0, 0, 'v' }, |
152 | { "no-hosts", 0, 0, 'h' }, | |
153 | { "no-poll", 0, 0, 'n' }, | |
154 | { "help", 0, 0, 'w' }, | |
155 | { "no-daemon", 0, 0, 'd' }, | |
156 | { "log-queries", 0, 0, 'q' }, | |
157 | { "user", 2, 0, 'u' }, | |
158 | { "group", 2, 0, 'g' }, | |
159 | { "resolv-file", 2, 0, 'r' }, | |
160 | { "mx-host", 1, 0, 'm' }, | |
161 | { "mx-target", 1, 0, 't' }, | |
162 | { "cache-size", 2, 0, 'c' }, | |
163 | { "port", 1, 0, 'p' }, | |
164 | { "dhcp-leasefile", 2, 0, 'l' }, | |
165 | { "dhcp-lease", 1, 0, 'l' }, | |
166 | { "dhcp-host", 1, 0, 'G' }, | |
167 | { "dhcp-range", 1, 0, 'F' }, | |
168 | { "dhcp-option", 1, 0, 'O' }, | |
169 | { "dhcp-boot", 1, 0, 'M' }, | |
170 | { "domain", 1, 0, 's' }, | |
171 | { "domain-suffix", 1, 0, 's' }, | |
172 | { "interface", 1, 0, 'i' }, | |
173 | { "listen-address", 1, 0, 'a' }, | |
174 | { "bogus-priv", 0, 0, 'b' }, | |
175 | { "bogus-nxdomain", 1, 0, 'B' }, | |
176 | { "selfmx", 0, 0, 'e' }, | |
177 | { "filterwin2k", 0, 0, 'f' }, | |
178 | { "pid-file", 2, 0, 'x' }, | |
179 | { "strict-order", 0, 0, 'o' }, | |
180 | { "server", 1, 0, 'S' }, | |
181 | { "local", 1, 0, LOPT_LOCAL }, | |
182 | { "address", 1, 0, 'A' }, | |
183 | { "conf-file", 2, 0, 'C' }, | |
184 | { "no-resolv", 0, 0, 'R' }, | |
185 | { "expand-hosts", 0, 0, 'E' }, | |
186 | { "localmx", 0, 0, 'L' }, | |
187 | { "local-ttl", 1, 0, 'T' }, | |
188 | { "no-negcache", 0, 0, 'N' }, | |
189 | { "addn-hosts", 1, 0, 'H' }, | |
190 | { "query-port", 1, 0, 'Q' }, | |
191 | { "except-interface", 1, 0, 'I' }, | |
192 | { "no-dhcp-interface", 1, 0, '2' }, | |
193 | { "domain-needed", 0, 0, 'D' }, | |
194 | { "dhcp-lease-max", 1, 0, 'X' }, | |
195 | { "bind-interfaces", 0, 0, 'z' }, | |
196 | { "read-ethers", 0, 0, 'Z' }, | |
197 | { "alias", 1, 0, 'V' }, | |
198 | { "dhcp-vendorclass", 1, 0, 'U' }, | |
199 | { "dhcp-userclass", 1, 0, 'j' }, | |
200 | { "dhcp-ignore", 1, 0, 'J' }, | |
201 | { "edns-packet-max", 1, 0, 'P' }, | |
202 | { "keep-in-foreground", 0, 0, 'k' }, | |
203 | { "dhcp-authoritative", 0, 0, 'K' }, | |
204 | { "srv-host", 1, 0, 'W' }, | |
205 | { "localise-queries", 0, 0, 'y' }, | |
206 | { "txt-record", 1, 0, 'Y' }, | |
9f7f3b12 | 207 | { "dns-rr", 1, 0, LOPT_RR }, |
ad094275 | 208 | { "enable-dbus", 2, 0, '1' }, |
7622fc06 SK |
209 | { "bootp-dynamic", 2, 0, '3' }, |
210 | { "dhcp-mac", 1, 0, '4' }, | |
211 | { "no-ping", 0, 0, '5' }, | |
212 | { "dhcp-script", 1, 0, '6' }, | |
213 | { "conf-dir", 1, 0, '7' }, | |
214 | { "log-facility", 1, 0 ,'8' }, | |
215 | { "leasefile-ro", 0, 0, '9' }, | |
216 | { "dns-forward-max", 1, 0, '0' }, | |
217 | { "clear-on-reload", 0, 0, LOPT_RELOAD }, | |
218 | { "dhcp-ignore-names", 2, 0, LOPT_NO_NAMES }, | |
2937f8a0 | 219 | { "enable-tftp", 2, 0, LOPT_TFTP }, |
7622fc06 SK |
220 | { "tftp-secure", 0, 0, LOPT_SECURE }, |
221 | { "tftp-unique-root", 0, 0, LOPT_APREF }, | |
222 | { "tftp-root", 1, 0, LOPT_PREFIX }, | |
223 | { "tftp-max", 1, 0, LOPT_TFTP_MAX }, | |
61ce600b | 224 | { "tftp-lowercase", 0, 0, LOPT_TFTP_LC }, |
7622fc06 SK |
225 | { "ptr-record", 1, 0, LOPT_PTR }, |
226 | { "naptr-record", 1, 0, LOPT_NAPTR }, | |
227 | { "bridge-interface", 1, 0 , LOPT_BRIDGE }, | |
228 | { "dhcp-option-force", 1, 0, LOPT_FORCE }, | |
229 | { "tftp-no-blocksize", 0, 0, LOPT_NOBLOCK }, | |
230 | { "log-dhcp", 0, 0, LOPT_LOG_OPTS }, | |
231 | { "log-async", 2, 0, LOPT_MAX_LOGS }, | |
232 | { "dhcp-circuitid", 1, 0, LOPT_CIRCUIT }, | |
233 | { "dhcp-remoteid", 1, 0, LOPT_REMOTE }, | |
234 | { "dhcp-subscrid", 1, 0, LOPT_SUBSCR }, | |
235 | { "interface-name", 1, 0, LOPT_INTNAME }, | |
236 | { "dhcp-hostsfile", 1, 0, LOPT_DHCP_HOST }, | |
237 | { "dhcp-optsfile", 1, 0, LOPT_DHCP_OPTS }, | |
238 | { "dhcp-no-override", 0, 0, LOPT_OVERRIDE }, | |
239 | { "tftp-port-range", 1, 0, LOPT_TFTPPORTS }, | |
240 | { "stop-dns-rebind", 0, 0, LOPT_REBIND }, | |
8ef5ada2 | 241 | { "rebind-domain-ok", 1, 0, LOPT_NO_REBIND }, |
7622fc06 SK |
242 | { "all-servers", 0, 0, LOPT_NOLAST }, |
243 | { "dhcp-match", 1, 0, LOPT_MATCH }, | |
8ef5ada2 | 244 | { "dhcp-broadcast", 2, 0, LOPT_BROADCAST }, |
7622fc06 | 245 | { "neg-ttl", 1, 0, LOPT_NEGTTL }, |
8ef5ada2 | 246 | { "max-ttl", 1, 0, LOPT_MAXTTL }, |
1d860415 | 247 | { "max-cache-ttl", 1, 0, LOPT_MAXCTTL }, |
7622fc06 SK |
248 | { "dhcp-alternate-port", 2, 0, LOPT_ALTPORT }, |
249 | { "dhcp-scriptuser", 1, 0, LOPT_SCRIPTUSR }, | |
250 | { "min-port", 1, 0, LOPT_MINPORT }, | |
251 | { "dhcp-fqdn", 0, 0, LOPT_DHCP_FQDN }, | |
252 | { "cname", 1, 0, LOPT_CNAME }, | |
253 | { "pxe-prompt", 1, 0, LOPT_PXE_PROMT }, | |
254 | { "pxe-service", 1, 0, LOPT_PXE_SERV }, | |
255 | { "test", 0, 0, LOPT_TEST }, | |
8ef5ada2 SK |
256 | { "tag-if", 1, 0, LOPT_TAG_IF }, |
257 | { "dhcp-proxy", 2, 0, LOPT_PROXY }, | |
258 | { "dhcp-generate-names", 2, 0, LOPT_GEN_NAMES }, | |
259 | { "rebind-localhost-ok", 0, 0, LOPT_LOC_REBND }, | |
28866e95 | 260 | { "add-mac", 0, 0, LOPT_ADD_MAC }, |
ed4c0767 | 261 | { "add-subnet", 2, 0, LOPT_ADD_SBNET }, |
28866e95 | 262 | { "proxy-dnssec", 0, 0, LOPT_DNSSEC }, |
7de060b0 SK |
263 | { "dhcp-sequential-ip", 0, 0, LOPT_INCR_ADDR }, |
264 | { "conntrack", 0, 0, LOPT_CONNTRACK }, | |
c72daea8 SK |
265 | { "dhcp-client-update", 0, 0, LOPT_FQDN }, |
266 | { "dhcp-luascript", 1, 0, LOPT_LUASCRIPT }, | |
c5ad4e79 | 267 | { "enable-ra", 0, 0, LOPT_RA }, |
8b372704 | 268 | { "dhcp-duid", 1, 0, LOPT_DUID }, |
e759d426 | 269 | { "host-record", 1, 0, LOPT_HOST_REC }, |
54dd393f | 270 | { "bind-dynamic", 0, 0, LOPT_CLVERBIND }, |
4f7b304f SK |
271 | { "auth-zone", 1, 0, LOPT_AUTHZONE }, |
272 | { "auth-server", 1, 0, LOPT_AUTHSERV }, | |
273 | { "auth-ttl", 1, 0, LOPT_AUTHTTL }, | |
274 | { "auth-soa", 1, 0, LOPT_AUTHSOA }, | |
e1ff419c | 275 | { "auth-sec-servers", 1, 0, LOPT_AUTHSFS }, |
49678767 | 276 | { "auth-peer", 1, 0, LOPT_AUTHPEER }, |
13d86c73 | 277 | { "ipset", 1, 0, LOPT_IPSET }, |
2bb73af7 | 278 | { "synth-domain", 1, 0, LOPT_SYNTH }, |
7dbe193b | 279 | { "dnssec", 0, 0, LOPT_SEC_VALID }, |
0fc2f313 | 280 | { "dnskey", 1, 0, LOPT_DNSKEY }, |
a25720a3 | 281 | { "dnssec-permissive", 0, 0, LOPT_DNSSEC_PERM }, |
c630924d SK |
282 | #ifdef OPTION6_PREFIX_CLASS |
283 | { "dhcp-prefix-class", 1, 0, LOPT_PREF_CLSS }, | |
284 | #endif | |
ff7eea27 | 285 | { "dhcp-relay", 1, 0, LOPT_RELAY }, |
c4cd95df | 286 | { "ra-param", 1, 0, LOPT_RA_PARAM }, |
8c0b73d3 KDB |
287 | { "quiet-dhcp", 0, 0, LOPT_QUIET_DHCP }, |
288 | { "quiet-dhcp6", 0, 0, LOPT_QUIET_DHCP6 }, | |
289 | { "quiet-ra", 0, 0, LOPT_QUIET_RA }, | |
849a8357 SK |
290 | { NULL, 0, 0, 0 } |
291 | }; | |
9e4abcb5 | 292 | |
28866e95 SK |
293 | |
294 | #define ARG_DUP OPT_LAST | |
295 | #define ARG_ONE OPT_LAST + 1 | |
296 | #define ARG_USED_CL OPT_LAST + 2 | |
297 | #define ARG_USED_FILE OPT_LAST + 3 | |
9e4abcb5 | 298 | |
1a6bca81 SK |
299 | static struct { |
300 | int opt; | |
301 | unsigned int rept; | |
302 | char * const flagdesc; | |
b8187c80 SK |
303 | char * const desc; |
304 | char * const arg; | |
305 | } usage[] = { | |
8ecfaa4a SK |
306 | { 'a', ARG_DUP, "<ipaddr>", gettext_noop("Specify local address(es) to listen on."), NULL }, |
307 | { 'A', ARG_DUP, "/<domain>/<ipaddr>", gettext_noop("Return ipaddr for all hosts in specified domains."), NULL }, | |
1a6bca81 | 308 | { 'b', OPT_BOGUSPRIV, NULL, gettext_noop("Fake reverse lookups for RFC1918 private address ranges."), NULL }, |
8ecfaa4a SK |
309 | { 'B', ARG_DUP, "<ipaddr>", gettext_noop("Treat ipaddr as NXDOMAIN (defeats Verisign wildcard)."), NULL }, |
310 | { 'c', ARG_ONE, "<integer>", gettext_noop("Specify the size of the cache in entries (defaults to %s)."), "$" }, | |
311 | { 'C', ARG_DUP, "<path>", gettext_noop("Specify configuration file (defaults to %s)."), CONFFILE }, | |
1a6bca81 SK |
312 | { 'd', OPT_DEBUG, NULL, gettext_noop("Do NOT fork into the background: run in debug mode."), NULL }, |
313 | { 'D', OPT_NODOTS_LOCAL, NULL, gettext_noop("Do NOT forward queries with no domain part."), NULL }, | |
314 | { 'e', OPT_SELFMX, NULL, gettext_noop("Return self-pointing MX records for local hosts."), NULL }, | |
315 | { 'E', OPT_EXPAND, NULL, gettext_noop("Expand simple names in /etc/hosts with domain-suffix."), NULL }, | |
316 | { 'f', OPT_FILTER, NULL, gettext_noop("Don't forward spurious DNS requests from Windows hosts."), NULL }, | |
8ecfaa4a SK |
317 | { 'F', ARG_DUP, "<ipaddr>,...", gettext_noop("Enable DHCP in the range given with lease duration."), NULL }, |
318 | { 'g', ARG_ONE, "<groupname>", gettext_noop("Change to this group after startup (defaults to %s)."), CHGRP }, | |
1a6bca81 | 319 | { 'G', ARG_DUP, "<hostspec>", gettext_noop("Set address or hostname for a specified machine."), NULL }, |
8ecfaa4a SK |
320 | { LOPT_DHCP_HOST, ARG_DUP, "<path>", gettext_noop("Read DHCP host specs from file."), NULL }, |
321 | { LOPT_DHCP_OPTS, ARG_DUP, "<path>", gettext_noop("Read DHCP option specs from file."), NULL }, | |
8ef5ada2 | 322 | { LOPT_TAG_IF, ARG_DUP, "tag-expression", gettext_noop("Evaluate conditional tag expression."), NULL }, |
1a6bca81 | 323 | { 'h', OPT_NO_HOSTS, NULL, gettext_noop("Do NOT load %s file."), HOSTSFILE }, |
8ecfaa4a SK |
324 | { 'H', ARG_DUP, "<path>", gettext_noop("Specify a hosts file to be read in addition to %s."), HOSTSFILE }, |
325 | { 'i', ARG_DUP, "<interface>", gettext_noop("Specify interface(s) to listen on."), NULL }, | |
326 | { 'I', ARG_DUP, "<interface>", gettext_noop("Specify interface(s) NOT to listen on.") , NULL }, | |
8ef5ada2 SK |
327 | { 'j', ARG_DUP, "set:<tag>,<class>", gettext_noop("Map DHCP user class to tag."), NULL }, |
328 | { LOPT_CIRCUIT, ARG_DUP, "set:<tag>,<circuit>", gettext_noop("Map RFC3046 circuit-id to tag."), NULL }, | |
329 | { LOPT_REMOTE, ARG_DUP, "set:<tag>,<remote>", gettext_noop("Map RFC3046 remote-id to tag."), NULL }, | |
330 | { LOPT_SUBSCR, ARG_DUP, "set:<tag>,<remote>", gettext_noop("Map RFC3993 subscriber-id to tag."), NULL }, | |
331 | { 'J', ARG_DUP, "tag:<tag>...", gettext_noop("Don't do DHCP for hosts with tag set."), NULL }, | |
332 | { LOPT_BROADCAST, ARG_DUP, "[=tag:<tag>...]", gettext_noop("Force broadcast replies for hosts with tag set."), NULL }, | |
1a6bca81 SK |
333 | { 'k', OPT_NO_FORK, NULL, gettext_noop("Do NOT fork into the background, do NOT run in debug mode."), NULL }, |
334 | { 'K', OPT_AUTHORITATIVE, NULL, gettext_noop("Assume we are the only DHCP server on the local network."), NULL }, | |
8ecfaa4a | 335 | { 'l', ARG_ONE, "<path>", gettext_noop("Specify where to store DHCP leases (defaults to %s)."), LEASEFILE }, |
1a6bca81 | 336 | { 'L', OPT_LOCALMX, NULL, gettext_noop("Return MX records for local hosts."), NULL }, |
8ecfaa4a | 337 | { 'm', ARG_DUP, "<host_name>,<target>,<pref>", gettext_noop("Specify an MX record."), NULL }, |
1a6bca81 SK |
338 | { 'M', ARG_DUP, "<bootp opts>", gettext_noop("Specify BOOTP options to DHCP server."), NULL }, |
339 | { 'n', OPT_NO_POLL, NULL, gettext_noop("Do NOT poll %s file, reload only on SIGHUP."), RESOLVFILE }, | |
340 | { 'N', OPT_NO_NEG, NULL, gettext_noop("Do NOT cache failed search results."), NULL }, | |
341 | { 'o', OPT_ORDER, NULL, gettext_noop("Use nameservers strictly in the order given in %s."), RESOLVFILE }, | |
342 | { 'O', ARG_DUP, "<optspec>", gettext_noop("Specify options to be sent to DHCP clients."), NULL }, | |
343 | { LOPT_FORCE, ARG_DUP, "<optspec>", gettext_noop("DHCP option sent even if the client does not request it."), NULL}, | |
8ecfaa4a SK |
344 | { 'p', ARG_ONE, "<integer>", gettext_noop("Specify port to listen for DNS requests on (defaults to 53)."), NULL }, |
345 | { 'P', ARG_ONE, "<integer>", gettext_noop("Maximum supported UDP packet size for EDNS.0 (defaults to %s)."), "*" }, | |
1a6bca81 | 346 | { 'q', OPT_LOG, NULL, gettext_noop("Log DNS queries."), NULL }, |
8ecfaa4a | 347 | { 'Q', ARG_ONE, "<integer>", gettext_noop("Force the originating port for upstream DNS queries."), NULL }, |
1a6bca81 | 348 | { 'R', OPT_NO_RESOLV, NULL, gettext_noop("Do NOT read resolv.conf."), NULL }, |
8ecfaa4a SK |
349 | { 'r', ARG_DUP, "<path>", gettext_noop("Specify path to resolv.conf (defaults to %s)."), RESOLVFILE }, |
350 | { 'S', ARG_DUP, "/<domain>/<ipaddr>", gettext_noop("Specify address(es) of upstream servers with optional domains."), NULL }, | |
351 | { LOPT_LOCAL, ARG_DUP, "/<domain>/", gettext_noop("Never forward queries to specified domains."), NULL }, | |
9009d746 | 352 | { 's', ARG_DUP, "<domain>[,<range>]", gettext_noop("Specify the domain to be assigned in DHCP leases."), NULL }, |
8ecfaa4a SK |
353 | { 't', ARG_ONE, "<host_name>", gettext_noop("Specify default target in an MX record."), NULL }, |
354 | { 'T', ARG_ONE, "<integer>", gettext_noop("Specify time-to-live in seconds for replies from /etc/hosts."), NULL }, | |
355 | { LOPT_NEGTTL, ARG_ONE, "<integer>", gettext_noop("Specify time-to-live in seconds for negative caching."), NULL }, | |
356 | { LOPT_MAXTTL, ARG_ONE, "<integer>", gettext_noop("Specify time-to-live in seconds for maximum TTL to send to clients."), NULL }, | |
357 | { 'u', ARG_ONE, "<username>", gettext_noop("Change to this user after startup. (defaults to %s)."), CHUSER }, | |
8ef5ada2 | 358 | { 'U', ARG_DUP, "set:<tag>,<class>", gettext_noop("Map DHCP vendor class to tag."), NULL }, |
1a6bca81 | 359 | { 'v', 0, NULL, gettext_noop("Display dnsmasq version and copyright information."), NULL }, |
8ecfaa4a SK |
360 | { 'V', ARG_DUP, "<ipaddr>,<ipaddr>,<netmask>", gettext_noop("Translate IPv4 addresses from upstream servers."), NULL }, |
361 | { 'W', ARG_DUP, "<name>,<target>,...", gettext_noop("Specify a SRV record."), NULL }, | |
1a6bca81 | 362 | { 'w', 0, NULL, gettext_noop("Display this message. Use --help dhcp for known DHCP options."), NULL }, |
8ecfaa4a SK |
363 | { 'x', ARG_ONE, "<path>", gettext_noop("Specify path of PID file (defaults to %s)."), RUNFILE }, |
364 | { 'X', ARG_ONE, "<integer>", gettext_noop("Specify maximum number of DHCP leases (defaults to %s)."), "&" }, | |
1a6bca81 | 365 | { 'y', OPT_LOCALISE, NULL, gettext_noop("Answer DNS queries based on the interface a query was sent to."), NULL }, |
8ecfaa4a SK |
366 | { 'Y', ARG_DUP, "<name>,<txt>[,<txt]", gettext_noop("Specify TXT DNS record."), NULL }, |
367 | { LOPT_PTR, ARG_DUP, "<name>,<target>", gettext_noop("Specify PTR DNS record."), NULL }, | |
368 | { LOPT_INTNAME, ARG_DUP, "<name>,<interface>", gettext_noop("Give DNS name to IPv4 address of interface."), NULL }, | |
1a6bca81 SK |
369 | { 'z', OPT_NOWILD, NULL, gettext_noop("Bind only to interfaces in use."), NULL }, |
370 | { 'Z', OPT_ETHERS, NULL, gettext_noop("Read DHCP static host information from %s."), ETHERSFILE }, | |
ad094275 | 371 | { '1', ARG_ONE, "[=<busname>]", gettext_noop("Enable the DBus interface for setting upstream servers, etc."), NULL }, |
8ecfaa4a | 372 | { '2', ARG_DUP, "<interface>", gettext_noop("Do not provide DHCP on this interface, only provide DNS."), NULL }, |
8ef5ada2 SK |
373 | { '3', ARG_DUP, "[=tag:<tag>]...", gettext_noop("Enable dynamic address allocation for bootp."), NULL }, |
374 | { '4', ARG_DUP, "set:<tag>,<mac address>", gettext_noop("Map MAC address (with wildcards) to option set."), NULL }, | |
8ecfaa4a | 375 | { LOPT_BRIDGE, ARG_DUP, "<iface>,<alias>..", gettext_noop("Treat DHCP requests on aliases as arriving from interface."), NULL }, |
1a6bca81 | 376 | { '5', OPT_NO_PING, NULL, gettext_noop("Disable ICMP echo address checking in the DHCP server."), NULL }, |
8ecfaa4a SK |
377 | { '6', ARG_ONE, "<path>", gettext_noop("Shell script to run on DHCP lease creation and destruction."), NULL }, |
378 | { LOPT_LUASCRIPT, ARG_DUP, "path", gettext_noop("Lua script to run on DHCP lease creation and destruction."), NULL }, | |
379 | { LOPT_SCRIPTUSR, ARG_ONE, "<username>", gettext_noop("Run lease-change scripts as this user."), NULL }, | |
380 | { '7', ARG_DUP, "<path>", gettext_noop("Read configuration from all the files in this directory."), NULL }, | |
1a6bca81 SK |
381 | { '8', ARG_ONE, "<facilty>|<file>", gettext_noop("Log to this syslog facility or file. (defaults to DAEMON)"), NULL }, |
382 | { '9', OPT_LEASE_RO, NULL, gettext_noop("Do not use leasefile."), NULL }, | |
8ecfaa4a | 383 | { '0', ARG_ONE, "<integer>", gettext_noop("Maximum number of concurrent DNS queries. (defaults to %s)"), "!" }, |
1a6bca81 | 384 | { LOPT_RELOAD, OPT_RELOAD, NULL, gettext_noop("Clear DNS cache when reloading %s."), RESOLVFILE }, |
8ef5ada2 | 385 | { LOPT_NO_NAMES, ARG_DUP, "[=tag:<tag>]...", gettext_noop("Ignore hostnames provided by DHCP clients."), NULL }, |
1a6bca81 | 386 | { LOPT_OVERRIDE, OPT_NO_OVERRIDE, NULL, gettext_noop("Do NOT reuse filename and server fields for extra DHCP options."), NULL }, |
2937f8a0 | 387 | { LOPT_TFTP, ARG_DUP, "[=<intr>[,<intr>]]", gettext_noop("Enable integrated read-only TFTP server."), NULL }, |
8b3ae2fd | 388 | { LOPT_PREFIX, ARG_DUP, "<dir>[,<iface>]", gettext_noop("Export files by TFTP only from the specified subtree."), NULL }, |
1a6bca81 SK |
389 | { LOPT_APREF, OPT_TFTP_APREF, NULL, gettext_noop("Add client IP address to tftp-root."), NULL }, |
390 | { LOPT_SECURE, OPT_TFTP_SECURE, NULL, gettext_noop("Allow access only to files owned by the user running dnsmasq."), NULL }, | |
8ecfaa4a | 391 | { LOPT_TFTP_MAX, ARG_ONE, "<integer>", gettext_noop("Maximum number of conncurrent TFTP transfers (defaults to %s)."), "#" }, |
1a6bca81 | 392 | { LOPT_NOBLOCK, OPT_TFTP_NOBLOCK, NULL, gettext_noop("Disable the TFTP blocksize extension."), NULL }, |
61ce600b | 393 | { LOPT_TFTP_LC, OPT_TFTP_LC, NULL, gettext_noop("Convert TFTP filenames to lowercase"), NULL }, |
1a6bca81 SK |
394 | { LOPT_TFTPPORTS, ARG_ONE, "<start>,<end>", gettext_noop("Ephemeral port range for use by TFTP transfers."), NULL }, |
395 | { LOPT_LOG_OPTS, OPT_LOG_OPTS, NULL, gettext_noop("Extra logging for DHCP."), NULL }, | |
8ecfaa4a | 396 | { LOPT_MAX_LOGS, ARG_ONE, "[=<integer>]", gettext_noop("Enable async. logging; optionally set queue length."), NULL }, |
1a6bca81 | 397 | { LOPT_REBIND, OPT_NO_REBIND, NULL, gettext_noop("Stop DNS rebinding. Filter private IP ranges when resolving."), NULL }, |
8ef5ada2 | 398 | { LOPT_LOC_REBND, OPT_LOCAL_REBIND, NULL, gettext_noop("Allow rebinding of 127.0.0.0/8, for RBL servers."), NULL }, |
8ecfaa4a | 399 | { LOPT_NO_REBIND, ARG_DUP, "/<domain>/", gettext_noop("Inhibit DNS-rebind protection on this domain."), NULL }, |
1a6bca81 | 400 | { LOPT_NOLAST, OPT_ALL_SERVERS, NULL, gettext_noop("Always perform DNS queries to all servers."), NULL }, |
8ef5ada2 | 401 | { LOPT_MATCH, ARG_DUP, "set:<tag>,<optspec>", gettext_noop("Set tag if client includes matching option in request."), NULL }, |
1a6bca81 | 402 | { LOPT_ALTPORT, ARG_ONE, "[=<ports>]", gettext_noop("Use alternative ports for DHCP."), NULL }, |
1a6bca81 SK |
403 | { LOPT_NAPTR, ARG_DUP, "<name>,<naptr>", gettext_noop("Specify NAPTR DNS record."), NULL }, |
404 | { LOPT_MINPORT, ARG_ONE, "<port>", gettext_noop("Specify lowest port available for DNS query transmission."), NULL }, | |
9009d746 | 405 | { LOPT_DHCP_FQDN, OPT_DHCP_FQDN, NULL, gettext_noop("Use only fully qualified domain names for DHCP clients."), NULL }, |
8ecfaa4a SK |
406 | { LOPT_GEN_NAMES, ARG_DUP, "[=tag:<tag>]", gettext_noop("Generate hostnames based on MAC address for nameless clients."), NULL}, |
407 | { LOPT_PROXY, ARG_DUP, "[=<ipaddr>]...", gettext_noop("Use these DHCP relays as full proxies."), NULL }, | |
ff7eea27 | 408 | { LOPT_RELAY, ARG_DUP, "<local-addr>,<server>[,<interface>]", gettext_noop("Relay DHCP requests to a remote server"), NULL}, |
9009d746 | 409 | { LOPT_CNAME, ARG_DUP, "<alias>,<target>", gettext_noop("Specify alias name for LOCAL DNS name."), NULL }, |
7622fc06 SK |
410 | { LOPT_PXE_PROMT, ARG_DUP, "<prompt>,[<timeout>]", gettext_noop("Prompt to send to PXE clients."), NULL }, |
411 | { LOPT_PXE_SERV, ARG_DUP, "<service>", gettext_noop("Boot service for PXE menu."), NULL }, | |
412 | { LOPT_TEST, 0, NULL, gettext_noop("Check configuration syntax."), NULL }, | |
7de060b0 | 413 | { LOPT_ADD_MAC, OPT_ADD_MAC, NULL, gettext_noop("Add requestor's MAC address to forwarded DNS queries."), NULL }, |
ed4c0767 | 414 | { LOPT_ADD_SBNET, ARG_ONE, "<v4 pref>[,<v6 pref>]", gettext_noop("Add requestor's IP subnet to forwarded DNS queries."), NULL }, |
5a4120db | 415 | { LOPT_DNSSEC, OPT_DNSSEC_PROXY, NULL, gettext_noop("Proxy DNSSEC validation results from upstream nameservers."), NULL }, |
7de060b0 SK |
416 | { LOPT_INCR_ADDR, OPT_CONSEC_ADDR, NULL, gettext_noop("Attempt to allocate sequential IP addresses to DHCP clients."), NULL }, |
417 | { LOPT_CONNTRACK, OPT_CONNTRACK, NULL, gettext_noop("Copy connection-track mark from queries to upstream connections."), NULL }, | |
c72daea8 | 418 | { LOPT_FQDN, OPT_FQDN_UPDATE, NULL, gettext_noop("Allow DHCP clients to do their own DDNS updates."), NULL }, |
c5ad4e79 | 419 | { LOPT_RA, OPT_RA, NULL, gettext_noop("Send router-advertisements for interfaces doing DHCPv6"), NULL }, |
8b372704 | 420 | { LOPT_DUID, ARG_ONE, "<enterprise>,<duid>", gettext_noop("Specify DUID_EN-type DHCPv6 server DUID"), NULL }, |
e759d426 | 421 | { LOPT_HOST_REC, ARG_DUP, "<name>,<address>", gettext_noop("Specify host (A/AAAA and PTR) records"), NULL }, |
9f7f3b12 | 422 | { LOPT_RR, ARG_DUP, "<name>,<RR-number>,[<data>]", gettext_noop("Specify arbitrary DNS resource record"), NULL }, |
4f7b304f | 423 | { LOPT_CLVERBIND, OPT_CLEVERBIND, NULL, gettext_noop("Bind to interfaces in use - check for new interfaces"), NULL }, |
86e3b9a0 | 424 | { LOPT_AUTHSERV, ARG_ONE, "<NS>,<interface>", gettext_noop("Export local names to global DNS"), NULL }, |
333b2ceb | 425 | { LOPT_AUTHZONE, ARG_DUP, "<domain>,[<subnet>...]", gettext_noop("Domain to export to global DNS"), NULL }, |
4f7b304f SK |
426 | { LOPT_AUTHTTL, ARG_ONE, "<integer>", gettext_noop("Set TTL for authoritative replies"), NULL }, |
427 | { LOPT_AUTHSOA, ARG_ONE, "<serial>[,...]", gettext_noop("Set authoritive zone information"), NULL }, | |
49678767 SK |
428 | { LOPT_AUTHSFS, ARG_DUP, "<NS>[,<NS>...]", gettext_noop("Secondary authoritative nameservers for forward domains"), NULL }, |
429 | { LOPT_AUTHPEER, ARG_DUP, "<ipaddr>[,<ipaddr>...]", gettext_noop("Peers which are allowed to do zone transfer"), NULL }, | |
13d86c73 | 430 | { LOPT_IPSET, ARG_DUP, "/<domain>/<ipset>[,<ipset>...]", gettext_noop("Specify ipsets to which matching domains should be added"), NULL }, |
a9bf81ad | 431 | { LOPT_SYNTH, ARG_DUP, "<domain>,<range>,[<prefix>]", gettext_noop("Specify a domain and address range for synthesised names"), NULL }, |
3a237152 | 432 | { LOPT_SEC_VALID, OPT_DNSSEC_VALID, NULL, gettext_noop("Activate DNSSEC validation"), NULL }, |
0fc2f313 | 433 | { LOPT_DNSKEY, ARG_DUP, "<domain>,<algo>,<key>", gettext_noop("Specify trust anchor DNSKEY"), NULL }, |
a25720a3 | 434 | { LOPT_DNSSEC_PERM, OPT_DNSSEC_PERMISS, NULL, gettext_noop("Do NOT return SERVFAIL whne DNSSEC validation fails."), NULL }, |
c630924d SK |
435 | #ifdef OPTION6_PREFIX_CLASS |
436 | { LOPT_PREF_CLSS, ARG_DUP, "set:tag,<class>", gettext_noop("Specify DHCPv6 prefix class"), NULL }, | |
437 | #endif | |
c4cd95df | 438 | { LOPT_RA_PARAM, ARG_DUP, "<interface>,[high,|low,]<interval>[,<lifetime>]", gettext_noop("Set priority, resend-interval and router-lifetime"), NULL }, |
8c0b73d3 KDB |
439 | { LOPT_QUIET_DHCP, OPT_QUIET_DHCP, NULL, gettext_noop("Do not log routine DHCP."), NULL }, |
440 | { LOPT_QUIET_DHCP6, OPT_QUIET_DHCP6, NULL, gettext_noop("Do not log routine DHCPv6."), NULL }, | |
441 | { LOPT_QUIET_RA, OPT_QUIET_RA, NULL, gettext_noop("Do not log RA."), NULL }, | |
1a6bca81 | 442 | { 0, 0, NULL, NULL, NULL } |
b8187c80 | 443 | }; |
9e4abcb5 | 444 | |
3d8df260 | 445 | /* We hide metacharaters in quoted strings by mapping them into the ASCII control |
f2621c7f | 446 | character space. Note that the \0, \t \b \r \033 and \n characters are carefully placed in the |
3d8df260 SK |
447 | following sequence so that they map to themselves: it is therefore possible to call |
448 | unhide_metas repeatedly on string without breaking things. | |
824af85b | 449 | The transformation gets undone by opt_canonicalise, atoi_check and opt_string_alloc, and a |
f2621c7f SK |
450 | couple of other places. |
451 | Note that space is included here so that | |
452 | --dhcp-option=3, string | |
453 | has five characters, whilst | |
454 | --dhcp-option=3," string" | |
455 | has six. | |
456 | */ | |
3d8df260 | 457 | |
f2621c7f | 458 | static const char meta[] = "\000123456 \b\t\n78\r90abcdefABCDE\033F:,."; |
3d8df260 SK |
459 | |
460 | static char hide_meta(char c) | |
461 | { | |
462 | unsigned int i; | |
463 | ||
464 | for (i = 0; i < (sizeof(meta) - 1); i++) | |
465 | if (c == meta[i]) | |
466 | return (char)i; | |
467 | ||
468 | return c; | |
469 | } | |
470 | ||
471 | static char unhide_meta(char cr) | |
472 | { | |
473 | unsigned int c = cr; | |
474 | ||
475 | if (c < (sizeof(meta) - 1)) | |
476 | cr = meta[c]; | |
477 | ||
478 | return cr; | |
479 | } | |
480 | ||
481 | static void unhide_metas(char *cp) | |
482 | { | |
483 | if (cp) | |
484 | for(; *cp; cp++) | |
485 | *cp = unhide_meta(*cp); | |
486 | } | |
487 | ||
824af85b SK |
488 | static void *opt_malloc(size_t size) |
489 | { | |
490 | void *ret; | |
491 | ||
492 | if (mem_recover) | |
493 | { | |
494 | ret = whine_malloc(size); | |
495 | if (!ret) | |
496 | longjmp(mem_jmp, 1); | |
497 | } | |
498 | else | |
499 | ret = safe_malloc(size); | |
500 | ||
501 | return ret; | |
502 | } | |
503 | ||
504 | static char *opt_string_alloc(char *cp) | |
3d8df260 SK |
505 | { |
506 | char *ret = NULL; | |
507 | ||
508 | if (cp && strlen(cp) != 0) | |
509 | { | |
824af85b | 510 | ret = opt_malloc(strlen(cp)+1); |
3d8df260 SK |
511 | strcpy(ret, cp); |
512 | ||
513 | /* restore hidden metachars */ | |
514 | unhide_metas(ret); | |
515 | } | |
516 | ||
517 | return ret; | |
518 | } | |
519 | ||
f2621c7f SK |
520 | |
521 | /* find next comma, split string with zero and eliminate spaces. | |
522 | return start of string following comma */ | |
73a08a24 SK |
523 | |
524 | static char *split_chr(char *s, char c) | |
3d8df260 | 525 | { |
f2621c7f | 526 | char *comma, *p; |
3d8df260 | 527 | |
73a08a24 | 528 | if (!s || !(comma = strchr(s, c))) |
f2621c7f SK |
529 | return NULL; |
530 | ||
531 | p = comma; | |
532 | *comma = ' '; | |
533 | ||
8ef5ada2 | 534 | for (; *comma == ' '; comma++); |
f2621c7f | 535 | |
8ef5ada2 | 536 | for (; (p >= s) && *p == ' '; p--) |
f2621c7f SK |
537 | *p = 0; |
538 | ||
539 | return comma; | |
3d8df260 SK |
540 | } |
541 | ||
73a08a24 SK |
542 | static char *split(char *s) |
543 | { | |
544 | return split_chr(s, ','); | |
545 | } | |
546 | ||
1f15b81d | 547 | static char *canonicalise_opt(char *s) |
3d8df260 | 548 | { |
1f15b81d SK |
549 | char *ret; |
550 | int nomem; | |
551 | ||
3d8df260 SK |
552 | if (!s) |
553 | return 0; | |
554 | ||
555 | unhide_metas(s); | |
1f15b81d SK |
556 | if (!(ret = canonicalise(s, &nomem)) && nomem) |
557 | { | |
558 | if (mem_recover) | |
559 | longjmp(mem_jmp, 1); | |
560 | else | |
561 | die(_("could not get memory"), NULL, EC_NOMEM); | |
562 | } | |
563 | ||
564 | return ret; | |
3d8df260 SK |
565 | } |
566 | ||
567 | static int atoi_check(char *a, int *res) | |
568 | { | |
569 | char *p; | |
570 | ||
571 | if (!a) | |
572 | return 0; | |
573 | ||
574 | unhide_metas(a); | |
575 | ||
576 | for (p = a; *p; p++) | |
577 | if (*p < '0' || *p > '9') | |
578 | return 0; | |
579 | ||
580 | *res = atoi(a); | |
581 | return 1; | |
582 | } | |
583 | ||
1ad24ae1 SK |
584 | static int atoi_check16(char *a, int *res) |
585 | { | |
586 | if (!(atoi_check(a, res)) || | |
587 | *res < 0 || | |
588 | *res > 0xffff) | |
589 | return 0; | |
590 | ||
591 | return 1; | |
592 | } | |
593 | ||
5aabfc78 | 594 | static void add_txt(char *name, char *txt) |
0a852541 SK |
595 | { |
596 | size_t len = strlen(txt); | |
824af85b | 597 | struct txt_record *r = opt_malloc(sizeof(struct txt_record)); |
0a852541 | 598 | |
824af85b | 599 | r->name = opt_string_alloc(name); |
0a852541 SK |
600 | r->next = daemon->txt; |
601 | daemon->txt = r; | |
602 | r->class = C_CHAOS; | |
824af85b | 603 | r->txt = opt_malloc(len+1); |
0a852541 SK |
604 | r->len = len+1; |
605 | *(r->txt) = len; | |
606 | memcpy((r->txt)+1, txt, len); | |
607 | } | |
9e4abcb5 | 608 | |
849a8357 | 609 | static void do_usage(void) |
9e4abcb5 | 610 | { |
849a8357 | 611 | char buff[100]; |
832af0ba SK |
612 | int i, j; |
613 | ||
614 | struct { | |
615 | char handle; | |
616 | int val; | |
617 | } tab[] = { | |
618 | { '$', CACHESIZ }, | |
619 | { '*', EDNS_PKTSZ }, | |
620 | { '&', MAXLEASES }, | |
621 | { '!', FTABSIZ }, | |
622 | { '#', TFTP_MAX_CONNECTIONS }, | |
623 | { '\0', 0 } | |
624 | }; | |
0a852541 | 625 | |
849a8357 SK |
626 | printf(_("Usage: dnsmasq [options]\n\n")); |
627 | #ifndef HAVE_GETOPT_LONG | |
628 | printf(_("Use short options only on the command line.\n")); | |
629 | #endif | |
1a6bca81 | 630 | printf(_("Valid options are:\n")); |
3be34541 | 631 | |
1a6bca81 | 632 | for (i = 0; usage[i].opt != 0; i++) |
9e4abcb5 | 633 | { |
1a6bca81 SK |
634 | char *desc = usage[i].flagdesc; |
635 | char *eq = "="; | |
636 | ||
637 | if (!desc || *desc == '[') | |
638 | eq = ""; | |
639 | ||
640 | if (!desc) | |
641 | desc = ""; | |
642 | ||
643 | for ( j = 0; opts[j].name; j++) | |
644 | if (opts[j].val == usage[i].opt) | |
645 | break; | |
646 | if (usage[i].opt < 256) | |
647 | sprintf(buff, "-%c, ", usage[i].opt); | |
648 | else | |
649 | sprintf(buff, " "); | |
650 | ||
651 | sprintf(buff+4, "--%s%s%s", opts[j].name, eq, desc); | |
8ef5ada2 | 652 | printf("%-40.40s", buff); |
1a6bca81 | 653 | |
849a8357 | 654 | if (usage[i].arg) |
0a852541 | 655 | { |
832af0ba SK |
656 | strcpy(buff, usage[i].arg); |
657 | for (j = 0; tab[j].handle; j++) | |
658 | if (tab[j].handle == *(usage[i].arg)) | |
659 | sprintf(buff, "%d", tab[j].val); | |
0a852541 | 660 | } |
849a8357 SK |
661 | printf(_(usage[i].desc), buff); |
662 | printf("\n"); | |
663 | } | |
664 | } | |
0a852541 | 665 | |
c740e4f3 SK |
666 | #define ret_err(x) do { strcpy(errstr, (x)); return 0; } while (0) |
667 | ||
faafb3f7 SK |
668 | char *parse_server(char *arg, union mysockaddr *addr, union mysockaddr *source_addr, char *interface, int *flags) |
669 | { | |
670 | int source_port = 0, serv_port = NAMESERVER_PORT; | |
671 | char *portno, *source; | |
672 | #ifdef HAVE_IPV6 | |
673 | int scope_index = 0; | |
674 | char *scope_id; | |
675 | #endif | |
676 | ||
677 | if ((source = split_chr(arg, '@')) && /* is there a source. */ | |
678 | (portno = split_chr(source, '#')) && | |
679 | !atoi_check16(portno, &source_port)) | |
680 | return _("bad port"); | |
681 | ||
682 | if ((portno = split_chr(arg, '#')) && /* is there a port no. */ | |
683 | !atoi_check16(portno, &serv_port)) | |
684 | return _("bad port"); | |
685 | ||
686 | #ifdef HAVE_IPV6 | |
687 | scope_id = split_chr(arg, '%'); | |
688 | #endif | |
689 | ||
ddd9a6b4 | 690 | if (inet_pton(AF_INET, arg, &addr->in.sin_addr) > 0) |
faafb3f7 SK |
691 | { |
692 | addr->in.sin_port = htons(serv_port); | |
693 | addr->sa.sa_family = source_addr->sa.sa_family = AF_INET; | |
694 | #ifdef HAVE_SOCKADDR_SA_LEN | |
695 | source_addr->in.sin_len = addr->in.sin_len = sizeof(struct sockaddr_in); | |
696 | #endif | |
697 | source_addr->in.sin_addr.s_addr = INADDR_ANY; | |
698 | source_addr->in.sin_port = htons(daemon->query_port); | |
699 | ||
700 | if (source) | |
701 | { | |
702 | if (flags) | |
703 | *flags |= SERV_HAS_SOURCE; | |
704 | source_addr->in.sin_port = htons(source_port); | |
ddd9a6b4 | 705 | if (!(inet_pton(AF_INET, source, &source_addr->in.sin_addr) > 0)) |
faafb3f7 SK |
706 | { |
707 | #if defined(SO_BINDTODEVICE) | |
708 | source_addr->in.sin_addr.s_addr = INADDR_ANY; | |
709 | strncpy(interface, source, IF_NAMESIZE - 1); | |
710 | #else | |
711 | return _("interface binding not supported"); | |
712 | #endif | |
713 | } | |
714 | } | |
715 | } | |
716 | #ifdef HAVE_IPV6 | |
717 | else if (inet_pton(AF_INET6, arg, &addr->in6.sin6_addr) > 0) | |
718 | { | |
719 | if (scope_id && (scope_index = if_nametoindex(scope_id)) == 0) | |
720 | return _("bad interface name"); | |
721 | ||
722 | addr->in6.sin6_port = htons(serv_port); | |
723 | addr->in6.sin6_scope_id = scope_index; | |
724 | source_addr->in6.sin6_addr = in6addr_any; | |
725 | source_addr->in6.sin6_port = htons(daemon->query_port); | |
726 | source_addr->in6.sin6_scope_id = 0; | |
727 | addr->sa.sa_family = source_addr->sa.sa_family = AF_INET6; | |
728 | addr->in6.sin6_flowinfo = source_addr->in6.sin6_flowinfo = 0; | |
729 | #ifdef HAVE_SOCKADDR_SA_LEN | |
730 | addr->in6.sin6_len = source_addr->in6.sin6_len = sizeof(addr->in6); | |
731 | #endif | |
732 | if (source) | |
733 | { | |
734 | if (flags) | |
735 | *flags |= SERV_HAS_SOURCE; | |
736 | source_addr->in6.sin6_port = htons(source_port); | |
737 | if (inet_pton(AF_INET6, source, &source_addr->in6.sin6_addr) == 0) | |
738 | { | |
739 | #if defined(SO_BINDTODEVICE) | |
740 | source_addr->in6.sin6_addr = in6addr_any; | |
741 | strncpy(interface, source, IF_NAMESIZE - 1); | |
742 | #else | |
743 | return _("interface binding not supported"); | |
744 | #endif | |
745 | } | |
746 | } | |
747 | } | |
748 | #endif | |
749 | else | |
750 | return _("bad address"); | |
751 | ||
752 | return NULL; | |
753 | } | |
754 | ||
b5a8dd1d SK |
755 | #ifdef HAVE_DHCP |
756 | ||
757 | static int is_tag_prefix(char *arg) | |
758 | { | |
759 | if (arg && (strstr(arg, "net:") == arg || strstr(arg, "tag:") == arg)) | |
760 | return 1; | |
761 | ||
762 | return 0; | |
763 | } | |
764 | ||
765 | static char *set_prefix(char *arg) | |
766 | { | |
767 | if (strstr(arg, "set:") == arg) | |
768 | return arg+4; | |
769 | ||
770 | return arg; | |
771 | } | |
772 | ||
832af0ba | 773 | /* This is too insanely large to keep in-line in the switch */ |
c4a7f90e | 774 | static int parse_dhcp_opt(char *errstr, char *arg, int flags) |
832af0ba | 775 | { |
824af85b | 776 | struct dhcp_opt *new = opt_malloc(sizeof(struct dhcp_opt)); |
832af0ba | 777 | char lenchar = 0, *cp; |
40ef23b5 | 778 | int addrs, digs, is_addr, is_addr6, is_hex, is_dec, is_string, dots; |
c4a7f90e | 779 | char *comma = NULL; |
f2621c7f | 780 | struct dhcp_netid *np = NULL; |
4cb1b320 SK |
781 | u16 opt_len = 0; |
782 | int is6 = 0; | |
bd08ae67 | 783 | int option_ok = 0; |
832af0ba SK |
784 | |
785 | new->len = 0; | |
824af85b | 786 | new->flags = flags; |
832af0ba SK |
787 | new->netid = NULL; |
788 | new->val = NULL; | |
f2621c7f | 789 | new->opt = 0; |
832af0ba | 790 | |
f2621c7f | 791 | while (arg) |
832af0ba | 792 | { |
f2621c7f SK |
793 | comma = split(arg); |
794 | ||
795 | for (cp = arg; *cp; cp++) | |
796 | if (*cp < '0' || *cp > '9') | |
797 | break; | |
832af0ba | 798 | |
f2621c7f SK |
799 | if (!*cp) |
800 | { | |
801 | new->opt = atoi(arg); | |
802 | opt_len = 0; | |
bd08ae67 | 803 | option_ok = 1; |
832af0ba | 804 | break; |
f2621c7f SK |
805 | } |
806 | ||
807 | if (strstr(arg, "option:") == arg) | |
808 | { | |
bd08ae67 SK |
809 | if ((new->opt = lookup_dhcp_opt(AF_INET, arg+7)) != -1) |
810 | { | |
811 | opt_len = lookup_dhcp_len(AF_INET, new->opt); | |
812 | /* option:<optname> must follow tag and vendor string. */ | |
813 | if (!(opt_len & OT_INTERNAL) || flags == DHOPT_MATCH) | |
814 | option_ok = 1; | |
815 | } | |
f2621c7f SK |
816 | break; |
817 | } | |
4cb1b320 SK |
818 | #ifdef HAVE_DHCP6 |
819 | else if (strstr(arg, "option6:") == arg) | |
820 | { | |
821 | for (cp = arg+8; *cp; cp++) | |
822 | if (*cp < '0' || *cp > '9') | |
823 | break; | |
824 | ||
825 | if (!*cp) | |
826 | { | |
827 | new->opt = atoi(arg+8); | |
828 | opt_len = 0; | |
bd08ae67 | 829 | option_ok = 1; |
4cb1b320 SK |
830 | } |
831 | else | |
40ef23b5 | 832 | { |
bd08ae67 SK |
833 | if ((new->opt = lookup_dhcp_opt(AF_INET6, arg+8)) != -1) |
834 | { | |
835 | opt_len = lookup_dhcp_len(AF_INET6, new->opt); | |
836 | if (!(opt_len & OT_INTERNAL) || flags == DHOPT_MATCH) | |
837 | option_ok = 1; | |
838 | } | |
40ef23b5 | 839 | } |
4cb1b320 SK |
840 | /* option6:<opt>|<optname> must follow tag and vendor string. */ |
841 | is6 = 1; | |
842 | break; | |
843 | } | |
844 | #endif | |
f2621c7f SK |
845 | else if (strstr(arg, "vendor:") == arg) |
846 | { | |
73a08a24 SK |
847 | new->u.vendor_class = (unsigned char *)opt_string_alloc(arg+7); |
848 | new->flags |= DHOPT_VENDOR; | |
849 | } | |
850 | else if (strstr(arg, "encap:") == arg) | |
851 | { | |
852 | new->u.encap = atoi(arg+6); | |
f2621c7f SK |
853 | new->flags |= DHOPT_ENCAPSULATE; |
854 | } | |
316e2730 SK |
855 | else if (strstr(arg, "vi-encap:") == arg) |
856 | { | |
857 | new->u.encap = atoi(arg+9); | |
858 | new->flags |= DHOPT_RFC3925; | |
859 | if (flags == DHOPT_MATCH) | |
860 | { | |
bd08ae67 | 861 | option_ok = 1; |
316e2730 SK |
862 | break; |
863 | } | |
864 | } | |
f2621c7f SK |
865 | else |
866 | { | |
824af85b | 867 | new->netid = opt_malloc(sizeof (struct dhcp_netid)); |
8ef5ada2 SK |
868 | /* allow optional "net:" or "tag:" for consistency */ |
869 | if (is_tag_prefix(arg)) | |
824af85b | 870 | new->netid->net = opt_string_alloc(arg+4); |
f2621c7f | 871 | else |
8ef5ada2 | 872 | new->netid->net = opt_string_alloc(set_prefix(arg)); |
f2621c7f SK |
873 | new->netid->next = np; |
874 | np = new->netid; | |
875 | } | |
876 | ||
877 | arg = comma; | |
832af0ba | 878 | } |
4cb1b320 SK |
879 | |
880 | #ifdef HAVE_DHCP6 | |
881 | if (is6) | |
882 | { | |
883 | if (new->flags & (DHOPT_VENDOR | DHOPT_ENCAPSULATE)) | |
c4a7f90e | 884 | ret_err(_("unsupported encapsulation for IPv6 option")); |
4cb1b320 SK |
885 | |
886 | if (opt_len == 0 && | |
887 | !(new->flags & DHOPT_RFC3925)) | |
bd08ae67 | 888 | opt_len = lookup_dhcp_len(AF_INET6, new->opt); |
4cb1b320 SK |
889 | } |
890 | else | |
891 | #endif | |
892 | if (opt_len == 0 && | |
893 | !(new->flags & (DHOPT_VENDOR | DHOPT_ENCAPSULATE | DHOPT_RFC3925))) | |
bd08ae67 | 894 | opt_len = lookup_dhcp_len(AF_INET, new->opt); |
40ef23b5 | 895 | |
316e2730 | 896 | /* option may be missing with rfc3925 match */ |
bd08ae67 | 897 | if (!option_ok) |
c4a7f90e SK |
898 | ret_err(_("bad dhcp-option")); |
899 | ||
900 | if (comma) | |
832af0ba SK |
901 | { |
902 | /* characterise the value */ | |
f2621c7f | 903 | char c; |
28866e95 | 904 | int found_dig = 0; |
4cb1b320 | 905 | is_addr = is_addr6 = is_hex = is_dec = is_string = 1; |
832af0ba | 906 | addrs = digs = 1; |
f2621c7f SK |
907 | dots = 0; |
908 | for (cp = comma; (c = *cp); cp++) | |
909 | if (c == ',') | |
832af0ba SK |
910 | { |
911 | addrs++; | |
912 | is_dec = is_hex = 0; | |
913 | } | |
f2621c7f | 914 | else if (c == ':') |
832af0ba SK |
915 | { |
916 | digs++; | |
917 | is_dec = is_addr = 0; | |
918 | } | |
f2621c7f | 919 | else if (c == '/') |
832af0ba | 920 | { |
4cb1b320 | 921 | is_addr6 = is_dec = is_hex = 0; |
832af0ba SK |
922 | if (cp == comma) /* leading / means a pathname */ |
923 | is_addr = 0; | |
924 | } | |
f2621c7f SK |
925 | else if (c == '.') |
926 | { | |
23245c0c | 927 | is_addr6 = is_dec = is_hex = 0; |
f2621c7f SK |
928 | dots++; |
929 | } | |
930 | else if (c == '-') | |
4cb1b320 | 931 | is_hex = is_addr = is_addr6 = 0; |
f2621c7f | 932 | else if (c == ' ') |
832af0ba | 933 | is_dec = is_hex = 0; |
f2621c7f | 934 | else if (!(c >='0' && c <= '9')) |
832af0ba SK |
935 | { |
936 | is_addr = 0; | |
937 | if (cp[1] == 0 && is_dec && | |
f2621c7f | 938 | (c == 'b' || c == 's' || c == 'i')) |
832af0ba | 939 | { |
f2621c7f | 940 | lenchar = c; |
832af0ba SK |
941 | *cp = 0; |
942 | } | |
943 | else | |
944 | is_dec = 0; | |
f2621c7f | 945 | if (!((c >='A' && c <= 'F') || |
73a08a24 SK |
946 | (c >='a' && c <= 'f') || |
947 | (c == '*' && (flags & DHOPT_MATCH)))) | |
4cb1b320 SK |
948 | { |
949 | is_hex = 0; | |
950 | if (c != '[' && c != ']') | |
951 | is_addr6 = 0; | |
952 | } | |
832af0ba | 953 | } |
28866e95 SK |
954 | else |
955 | found_dig = 1; | |
f2621c7f | 956 | |
28866e95 SK |
957 | if (!found_dig) |
958 | is_dec = is_addr = 0; | |
4cb1b320 | 959 | |
f2621c7f | 960 | /* We know that some options take addresses */ |
7622fc06 | 961 | if (opt_len & OT_ADDR_LIST) |
f2621c7f SK |
962 | { |
963 | is_string = is_dec = is_hex = 0; | |
4cb1b320 SK |
964 | |
965 | if (!is6 && (!is_addr || dots == 0)) | |
c4a7f90e | 966 | ret_err(_("bad IP address")); |
4cb1b320 SK |
967 | |
968 | if (is6 && !is_addr6) | |
c4a7f90e | 969 | ret_err(_("bad IPv6 address")); |
f2621c7f | 970 | } |
28866e95 | 971 | /* or names */ |
4cb1b320 SK |
972 | else if (opt_len & (OT_NAME | OT_RFC1035_NAME | OT_CSTRING)) |
973 | is_addr6 = is_addr = is_dec = is_hex = 0; | |
23245c0c SK |
974 | |
975 | if (found_dig && (opt_len & OT_TIME) && strlen(comma) > 0) | |
976 | { | |
977 | int val, fac = 1; | |
978 | ||
979 | switch (comma[strlen(comma) - 1]) | |
980 | { | |
42243214 SK |
981 | case 'w': |
982 | case 'W': | |
983 | fac *= 7; | |
984 | /* fall through */ | |
23245c0c SK |
985 | case 'd': |
986 | case 'D': | |
987 | fac *= 24; | |
988 | /* fall though */ | |
989 | case 'h': | |
990 | case 'H': | |
991 | fac *= 60; | |
992 | /* fall through */ | |
993 | case 'm': | |
994 | case 'M': | |
995 | fac *= 60; | |
996 | /* fall through */ | |
997 | case 's': | |
998 | case 'S': | |
999 | comma[strlen(comma) - 1] = 0; | |
1000 | } | |
1001 | ||
1002 | new->len = 4; | |
1003 | new->val = opt_malloc(4); | |
1004 | val = atoi(comma); | |
1005 | *((int *)new->val) = htonl(val * fac); | |
1006 | } | |
1007 | else if (is_hex && digs > 1) | |
832af0ba SK |
1008 | { |
1009 | new->len = digs; | |
824af85b | 1010 | new->val = opt_malloc(new->len); |
73a08a24 SK |
1011 | parse_hex(comma, new->val, digs, (flags & DHOPT_MATCH) ? &new->u.wildcard_mask : NULL, NULL); |
1012 | new->flags |= DHOPT_HEX; | |
832af0ba SK |
1013 | } |
1014 | else if (is_dec) | |
1015 | { | |
1016 | int i, val = atoi(comma); | |
1017 | /* assume numeric arg is 1 byte except for | |
1018 | options where it is known otherwise. | |
1019 | For vendor class option, we have to hack. */ | |
f2621c7f SK |
1020 | if (opt_len != 0) |
1021 | new->len = opt_len; | |
1022 | else if (val & 0xffff0000) | |
1023 | new->len = 4; | |
1024 | else if (val & 0xff00) | |
1025 | new->len = 2; | |
1026 | else | |
1027 | new->len = 1; | |
1028 | ||
832af0ba SK |
1029 | if (lenchar == 'b') |
1030 | new->len = 1; | |
1031 | else if (lenchar == 's') | |
1032 | new->len = 2; | |
1033 | else if (lenchar == 'i') | |
1034 | new->len = 4; | |
f2621c7f | 1035 | |
824af85b | 1036 | new->val = opt_malloc(new->len); |
832af0ba SK |
1037 | for (i=0; i<new->len; i++) |
1038 | new->val[i] = val>>((new->len - i - 1)*8); | |
1039 | } | |
4cb1b320 | 1040 | else if (is_addr && !is6) |
832af0ba SK |
1041 | { |
1042 | struct in_addr in; | |
1043 | unsigned char *op; | |
1044 | char *slash; | |
1045 | /* max length of address/subnet descriptor is five bytes, | |
1046 | add one for the option 120 enc byte too */ | |
824af85b | 1047 | new->val = op = opt_malloc((5 * addrs) + 1); |
6b01084f SK |
1048 | new->flags |= DHOPT_ADDR; |
1049 | ||
572b41eb SK |
1050 | if (!(new->flags & (DHOPT_ENCAPSULATE | DHOPT_VENDOR | DHOPT_RFC3925)) && |
1051 | new->opt == OPTION_SIP_SERVER) | |
832af0ba | 1052 | { |
6b01084f SK |
1053 | *(op++) = 1; /* RFC 3361 "enc byte" */ |
1054 | new->flags &= ~DHOPT_ADDR; | |
832af0ba SK |
1055 | } |
1056 | while (addrs--) | |
1057 | { | |
1058 | cp = comma; | |
f2621c7f | 1059 | comma = split(cp); |
73a08a24 | 1060 | slash = split_chr(cp, '/'); |
ddd9a6b4 | 1061 | inet_pton(AF_INET, cp, &in); |
832af0ba SK |
1062 | if (!slash) |
1063 | { | |
1064 | memcpy(op, &in, INADDRSZ); | |
1065 | op += INADDRSZ; | |
1066 | } | |
1067 | else | |
1068 | { | |
1069 | unsigned char *p = (unsigned char *)∈ | |
1070 | int netsize = atoi(slash); | |
1071 | *op++ = netsize; | |
1072 | if (netsize > 0) | |
1073 | *op++ = *p++; | |
1074 | if (netsize > 8) | |
1075 | *op++ = *p++; | |
1076 | if (netsize > 16) | |
1077 | *op++ = *p++; | |
1078 | if (netsize > 24) | |
1079 | *op++ = *p++; | |
1080 | new->flags &= ~DHOPT_ADDR; /* cannot re-write descriptor format */ | |
1081 | } | |
1082 | } | |
1083 | new->len = op - new->val; | |
1084 | } | |
4cb1b320 SK |
1085 | else if (is_addr6 && is6) |
1086 | { | |
1087 | unsigned char *op; | |
1088 | new->val = op = opt_malloc(16 * addrs); | |
1089 | new->flags |= DHOPT_ADDR6; | |
1090 | while (addrs--) | |
1091 | { | |
1092 | cp = comma; | |
1093 | comma = split(cp); | |
1094 | ||
1095 | /* check for [1234::7] */ | |
1096 | if (*cp == '[') | |
1097 | cp++; | |
1098 | if (strlen(cp) > 1 && cp[strlen(cp)-1] == ']') | |
1099 | cp[strlen(cp)-1] = 0; | |
1100 | ||
1101 | if (inet_pton(AF_INET6, cp, op)) | |
1102 | { | |
1103 | op += IN6ADDRSZ; | |
1104 | continue; | |
1105 | } | |
1106 | ||
c4a7f90e | 1107 | ret_err(_("bad IPv6 address")); |
4cb1b320 SK |
1108 | } |
1109 | new->len = op - new->val; | |
1110 | } | |
f2621c7f | 1111 | else if (is_string) |
832af0ba | 1112 | { |
4cb1b320 | 1113 | /* text arg */ |
572b41eb | 1114 | if ((new->opt == OPTION_DOMAIN_SEARCH || new->opt == OPTION_SIP_SERVER) && |
4cb1b320 | 1115 | !is6 && !(new->flags & (DHOPT_ENCAPSULATE | DHOPT_VENDOR | DHOPT_RFC3925))) |
832af0ba SK |
1116 | { |
1117 | /* dns search, RFC 3397, or SIP, RFC 3361 */ | |
1118 | unsigned char *q, *r, *tail; | |
824af85b | 1119 | unsigned char *p, *m = NULL, *newp; |
832af0ba | 1120 | size_t newlen, len = 0; |
572b41eb | 1121 | int header_size = (new->opt == OPTION_DOMAIN_SEARCH) ? 0 : 1; |
832af0ba SK |
1122 | |
1123 | arg = comma; | |
f2621c7f | 1124 | comma = split(arg); |
832af0ba SK |
1125 | |
1126 | while (arg && *arg) | |
1127 | { | |
c52e1897 SK |
1128 | char *in, *dom = NULL; |
1129 | size_t domlen = 1; | |
1130 | /* Allow "." as an empty domain */ | |
1131 | if (strcmp (arg, ".") != 0) | |
832af0ba | 1132 | { |
c52e1897 | 1133 | if (!(dom = canonicalise_opt(arg))) |
c4a7f90e SK |
1134 | ret_err(_("bad domain in dhcp-option")); |
1135 | ||
c52e1897 | 1136 | domlen = strlen(dom) + 2; |
832af0ba | 1137 | } |
c52e1897 SK |
1138 | |
1139 | newp = opt_malloc(len + domlen + header_size); | |
824af85b | 1140 | if (m) |
c52e1897 SK |
1141 | { |
1142 | memcpy(newp, m, header_size + len); | |
1143 | free(m); | |
1144 | } | |
824af85b | 1145 | m = newp; |
832af0ba SK |
1146 | p = m + header_size; |
1147 | q = p + len; | |
1148 | ||
1149 | /* add string on the end in RFC1035 format */ | |
c52e1897 | 1150 | for (in = dom; in && *in;) |
832af0ba SK |
1151 | { |
1152 | unsigned char *cp = q++; | |
1153 | int j; | |
c52e1897 SK |
1154 | for (j = 0; *in && (*in != '.'); in++, j++) |
1155 | *q++ = *in; | |
832af0ba | 1156 | *cp = j; |
c52e1897 SK |
1157 | if (*in) |
1158 | in++; | |
832af0ba SK |
1159 | } |
1160 | *q++ = 0; | |
1f15b81d | 1161 | free(dom); |
c52e1897 | 1162 | |
832af0ba SK |
1163 | /* Now tail-compress using earlier names. */ |
1164 | newlen = q - p; | |
1165 | for (tail = p + len; *tail; tail += (*tail) + 1) | |
1166 | for (r = p; r - p < (int)len; r += (*r) + 1) | |
1167 | if (strcmp((char *)r, (char *)tail) == 0) | |
1168 | { | |
1169 | PUTSHORT((r - p) | 0xc000, tail); | |
1170 | newlen = tail - p; | |
1171 | goto end; | |
1172 | } | |
1173 | end: | |
1174 | len = newlen; | |
1175 | ||
1176 | arg = comma; | |
f2621c7f | 1177 | comma = split(arg); |
832af0ba SK |
1178 | } |
1179 | ||
1180 | /* RFC 3361, enc byte is zero for names */ | |
572b41eb | 1181 | if (new->opt == OPTION_SIP_SERVER) |
832af0ba SK |
1182 | m[0] = 0; |
1183 | new->len = (int) len + header_size; | |
1184 | new->val = m; | |
1185 | } | |
4cb1b320 SK |
1186 | #ifdef HAVE_DHCP6 |
1187 | else if (comma && (opt_len & OT_CSTRING)) | |
1188 | { | |
1189 | /* length fields are two bytes so need 16 bits for each string */ | |
40ef23b5 | 1190 | int i, commas = 1; |
4cb1b320 SK |
1191 | unsigned char *p, *newp; |
1192 | ||
40ef23b5 | 1193 | for (i = 0; comma[i]; i++) |
4cb1b320 SK |
1194 | if (comma[i] == ',') |
1195 | commas++; | |
1196 | ||
1197 | newp = opt_malloc(strlen(comma)+(2*commas)); | |
1198 | p = newp; | |
1199 | arg = comma; | |
1200 | comma = split(arg); | |
1201 | ||
1202 | while (arg && *arg) | |
1203 | { | |
1204 | u16 len = strlen(arg); | |
18f0fb05 | 1205 | unhide_metas(arg); |
4cb1b320 SK |
1206 | PUTSHORT(len, p); |
1207 | memcpy(p, arg, len); | |
1208 | p += len; | |
1209 | ||
1210 | arg = comma; | |
1211 | comma = split(arg); | |
1212 | } | |
1213 | ||
1214 | new->val = newp; | |
1215 | new->len = p - newp; | |
1216 | } | |
1217 | else if (comma && (opt_len & OT_RFC1035_NAME)) | |
1218 | { | |
18f0fb05 SK |
1219 | unsigned char *p = NULL, *newp, *end; |
1220 | int len = 0; | |
4cb1b320 SK |
1221 | arg = comma; |
1222 | comma = split(arg); | |
1223 | ||
1224 | while (arg && *arg) | |
1225 | { | |
18f0fb05 SK |
1226 | char *dom = canonicalise_opt(arg); |
1227 | if (!dom) | |
c4a7f90e SK |
1228 | ret_err(_("bad domain in dhcp-option")); |
1229 | ||
18f0fb05 SK |
1230 | newp = opt_malloc(len + strlen(dom) + 2); |
1231 | ||
1232 | if (p) | |
1233 | { | |
1234 | memcpy(newp, p, len); | |
1235 | free(p); | |
1236 | } | |
4cb1b320 | 1237 | |
18f0fb05 SK |
1238 | p = newp; |
1239 | end = do_rfc1035_name(p + len, dom); | |
1240 | *end++ = 0; | |
1241 | len = end - p; | |
1242 | free(dom); | |
1243 | ||
4cb1b320 SK |
1244 | arg = comma; |
1245 | comma = split(arg); | |
1246 | } | |
1247 | ||
18f0fb05 SK |
1248 | new->val = p; |
1249 | new->len = len; | |
4cb1b320 SK |
1250 | } |
1251 | #endif | |
832af0ba SK |
1252 | else |
1253 | { | |
1254 | new->len = strlen(comma); | |
1255 | /* keep terminating zero on string */ | |
824af85b | 1256 | new->val = (unsigned char *)opt_string_alloc(comma); |
832af0ba SK |
1257 | new->flags |= DHOPT_STRING; |
1258 | } | |
1259 | } | |
1260 | } | |
1261 | ||
4cb1b320 SK |
1262 | if (!is6 && |
1263 | ((new->len > 255) || | |
316e2730 | 1264 | (new->len > 253 && (new->flags & (DHOPT_VENDOR | DHOPT_ENCAPSULATE))) || |
4cb1b320 | 1265 | (new->len > 250 && (new->flags & DHOPT_RFC3925)))) |
c4a7f90e | 1266 | ret_err(_("dhcp-option too long")); |
832af0ba | 1267 | |
c4a7f90e | 1268 | if (flags == DHOPT_MATCH) |
824af85b | 1269 | { |
c4a7f90e SK |
1270 | if ((new->flags & (DHOPT_ENCAPSULATE | DHOPT_VENDOR)) || |
1271 | !new->netid || | |
1272 | new->netid->next) | |
1273 | ret_err(_("illegal dhcp-match")); | |
1274 | ||
1275 | if (is6) | |
4cb1b320 | 1276 | { |
c4a7f90e SK |
1277 | new->next = daemon->dhcp_match6; |
1278 | daemon->dhcp_match6 = new; | |
4cb1b320 SK |
1279 | } |
1280 | else | |
73a08a24 | 1281 | { |
c4a7f90e SK |
1282 | new->next = daemon->dhcp_match; |
1283 | daemon->dhcp_match = new; | |
73a08a24 | 1284 | } |
824af85b | 1285 | } |
c4a7f90e SK |
1286 | else if (is6) |
1287 | { | |
1288 | new->next = daemon->dhcp_opts6; | |
1289 | daemon->dhcp_opts6 = new; | |
1290 | } | |
1291 | else | |
1292 | { | |
1293 | new->next = daemon->dhcp_opts; | |
1294 | daemon->dhcp_opts = new; | |
1295 | } | |
1296 | ||
1297 | return 1; | |
832af0ba SK |
1298 | } |
1299 | ||
7622fc06 | 1300 | #endif |
832af0ba | 1301 | |
28866e95 SK |
1302 | void set_option_bool(unsigned int opt) |
1303 | { | |
1304 | if (opt < 32) | |
1305 | daemon->options |= 1u << opt; | |
1306 | else | |
1307 | daemon->options2 |= 1u << (opt - 32); | |
1308 | } | |
1309 | ||
2b5bae9a SK |
1310 | void reset_option_bool(unsigned int opt) |
1311 | { | |
1312 | if (opt < 32) | |
1313 | daemon->options &= ~(1u << opt); | |
1314 | else | |
1315 | daemon->options2 &= ~(1u << (opt - 32)); | |
1316 | } | |
1317 | ||
c4a7f90e | 1318 | static int one_opt(int option, char *arg, char *errstr, char *gen_err, int command_line) |
849a8357 SK |
1319 | { |
1320 | int i; | |
c4a7f90e | 1321 | char *comma; |
b8187c80 | 1322 | |
832af0ba | 1323 | if (option == '?') |
c4a7f90e | 1324 | ret_err(gen_err); |
832af0ba | 1325 | |
1a6bca81 SK |
1326 | for (i=0; usage[i].opt != 0; i++) |
1327 | if (usage[i].opt == option) | |
849a8357 | 1328 | { |
1a6bca81 SK |
1329 | int rept = usage[i].rept; |
1330 | ||
28866e95 | 1331 | if (command_line) |
1a6bca81 SK |
1332 | { |
1333 | /* command line */ | |
1334 | if (rept == ARG_USED_CL) | |
c4a7f90e | 1335 | ret_err(_("illegal repeated flag")); |
1a6bca81 SK |
1336 | if (rept == ARG_ONE) |
1337 | usage[i].rept = ARG_USED_CL; | |
1338 | } | |
1339 | else | |
1340 | { | |
1341 | /* allow file to override command line */ | |
1342 | if (rept == ARG_USED_FILE) | |
c4a7f90e | 1343 | ret_err(_("illegal repeated keyword")); |
1a6bca81 SK |
1344 | if (rept == ARG_USED_CL || rept == ARG_ONE) |
1345 | usage[i].rept = ARG_USED_FILE; | |
1346 | } | |
1347 | ||
1348 | if (rept != ARG_DUP && rept != ARG_ONE && rept != ARG_USED_CL) | |
1349 | { | |
28866e95 | 1350 | set_option_bool(rept); |
c4a7f90e | 1351 | return 1; |
1a6bca81 SK |
1352 | } |
1353 | ||
1354 | break; | |
849a8357 | 1355 | } |
1a6bca81 | 1356 | |
849a8357 SK |
1357 | switch (option) |
1358 | { | |
f2621c7f | 1359 | case 'C': /* --conf-file */ |
849a8357 | 1360 | { |
824af85b | 1361 | char *file = opt_string_alloc(arg); |
849a8357 | 1362 | if (file) |
9009d746 | 1363 | { |
28866e95 | 1364 | one_file(file, 0); |
9009d746 SK |
1365 | free(file); |
1366 | } | |
849a8357 SK |
1367 | break; |
1368 | } | |
1369 | ||
f2621c7f | 1370 | case '7': /* --conf-dir */ |
849a8357 SK |
1371 | { |
1372 | DIR *dir_stream; | |
1373 | struct dirent *ent; | |
1374 | char *directory, *path; | |
1f15b81d SK |
1375 | struct list { |
1376 | char *suffix; | |
1377 | struct list *next; | |
1378 | } *ignore_suffix = NULL, *li; | |
849a8357 | 1379 | |
1f15b81d | 1380 | comma = split(arg); |
824af85b | 1381 | if (!(directory = opt_string_alloc(arg))) |
849a8357 SK |
1382 | break; |
1383 | ||
1f15b81d SK |
1384 | for (arg = comma; arg; arg = comma) |
1385 | { | |
1386 | comma = split(arg); | |
1387 | li = opt_malloc(sizeof(struct list)); | |
1388 | li->next = ignore_suffix; | |
1389 | ignore_suffix = li; | |
1390 | /* Have to copy: buffer is overwritten */ | |
1391 | li->suffix = opt_string_alloc(arg); | |
1392 | }; | |
1393 | ||
849a8357 | 1394 | if (!(dir_stream = opendir(directory))) |
5aabfc78 | 1395 | die(_("cannot access directory %s: %s"), directory, EC_FILE); |
1f15b81d | 1396 | |
849a8357 | 1397 | while ((ent = readdir(dir_stream))) |
9e4abcb5 | 1398 | { |
7622fc06 | 1399 | size_t len = strlen(ent->d_name); |
849a8357 | 1400 | struct stat buf; |
1f15b81d SK |
1401 | |
1402 | /* ignore emacs backups and dotfiles */ | |
7622fc06 SK |
1403 | if (len == 0 || |
1404 | ent->d_name[len - 1] == '~' || | |
849a8357 SK |
1405 | (ent->d_name[0] == '#' && ent->d_name[len - 1] == '#') || |
1406 | ent->d_name[0] == '.') | |
1407 | continue; | |
7622fc06 | 1408 | |
1f15b81d SK |
1409 | for (li = ignore_suffix; li; li = li->next) |
1410 | { | |
1411 | /* check for proscribed suffices */ | |
1412 | size_t ls = strlen(li->suffix); | |
1413 | if (len > ls && | |
1414 | strcmp(li->suffix, &ent->d_name[len - ls]) == 0) | |
1415 | break; | |
1416 | } | |
1417 | if (li) | |
1418 | continue; | |
1419 | ||
824af85b | 1420 | path = opt_malloc(strlen(directory) + len + 2); |
849a8357 SK |
1421 | strcpy(path, directory); |
1422 | strcat(path, "/"); | |
1423 | strcat(path, ent->d_name); | |
7622fc06 | 1424 | |
39595cfe | 1425 | /* files must be readable */ |
849a8357 | 1426 | if (stat(path, &buf) == -1) |
5aabfc78 | 1427 | die(_("cannot access %s: %s"), path, EC_FILE); |
39595cfe | 1428 | |
849a8357 | 1429 | /* only reg files allowed. */ |
39595cfe SK |
1430 | if (S_ISREG(buf.st_mode)) |
1431 | one_file(path, 0); | |
849a8357 | 1432 | |
849a8357 | 1433 | free(path); |
9e4abcb5 | 1434 | } |
849a8357 SK |
1435 | |
1436 | closedir(dir_stream); | |
9009d746 | 1437 | free(directory); |
1f15b81d SK |
1438 | for(; ignore_suffix; ignore_suffix = li) |
1439 | { | |
1440 | li = ignore_suffix->next; | |
1441 | free(ignore_suffix->suffix); | |
1442 | free(ignore_suffix); | |
1443 | } | |
1444 | ||
849a8357 SK |
1445 | break; |
1446 | } | |
1447 | ||
ed4c0767 SK |
1448 | case LOPT_ADD_SBNET: /* --add-subnet */ |
1449 | set_option_bool(OPT_CLIENT_SUBNET); | |
1450 | if (arg) | |
1451 | { | |
1452 | comma = split(arg); | |
1453 | if (!atoi_check(arg, &daemon->addr4_netmask) || | |
1454 | (comma && !atoi_check(comma, &daemon->addr6_netmask))) | |
1455 | ret_err(gen_err); | |
1456 | } | |
1457 | break; | |
1458 | ||
ad094275 SK |
1459 | case '1': /* --enable-dbus */ |
1460 | set_option_bool(OPT_DBUS); | |
1461 | if (arg) | |
1462 | daemon->dbus_name = opt_string_alloc(arg); | |
1463 | else | |
1464 | daemon->dbus_name = DNSMASQ_SERVICE; | |
1465 | break; | |
1466 | ||
f2621c7f SK |
1467 | case '8': /* --log-facility */ |
1468 | /* may be a filename */ | |
8ef5ada2 | 1469 | if (strchr(arg, '/') || strcmp (arg, "-") == 0) |
824af85b | 1470 | daemon->log_file = opt_string_alloc(arg); |
849a8357 | 1471 | else |
f2621c7f | 1472 | { |
572b41eb | 1473 | #ifdef __ANDROID__ |
c4a7f90e | 1474 | ret_err(_("setting log facility is not possible under Android")); |
572b41eb | 1475 | #else |
f2621c7f SK |
1476 | for (i = 0; facilitynames[i].c_name; i++) |
1477 | if (hostname_isequal((char *)facilitynames[i].c_name, arg)) | |
1478 | break; | |
1479 | ||
1480 | if (facilitynames[i].c_name) | |
1481 | daemon->log_fac = facilitynames[i].c_val; | |
1482 | else | |
c4a7f90e | 1483 | ret_err(_("bad log facility")); |
572b41eb | 1484 | #endif |
849a8357 SK |
1485 | } |
1486 | break; | |
1487 | ||
f2621c7f | 1488 | case 'x': /* --pid-file */ |
824af85b | 1489 | daemon->runfile = opt_string_alloc(arg); |
849a8357 | 1490 | break; |
5aabfc78 | 1491 | |
f2621c7f | 1492 | case 'r': /* --resolv-file */ |
849a8357 | 1493 | { |
824af85b | 1494 | char *name = opt_string_alloc(arg); |
849a8357 SK |
1495 | struct resolvc *new, *list = daemon->resolv_files; |
1496 | ||
1497 | if (list && list->is_default) | |
1498 | { | |
1499 | /* replace default resolv file - possibly with nothing */ | |
1500 | if (name) | |
9e4abcb5 | 1501 | { |
849a8357 SK |
1502 | list->is_default = 0; |
1503 | list->name = name; | |
9e4abcb5 | 1504 | } |
849a8357 SK |
1505 | else |
1506 | list = NULL; | |
1507 | } | |
1508 | else if (name) | |
1509 | { | |
824af85b | 1510 | new = opt_malloc(sizeof(struct resolvc)); |
849a8357 SK |
1511 | new->next = list; |
1512 | new->name = name; | |
1513 | new->is_default = 0; | |
1514 | new->mtime = 0; | |
1515 | new->logged = 0; | |
1516 | list = new; | |
1517 | } | |
1518 | daemon->resolv_files = list; | |
1519 | break; | |
1520 | } | |
1521 | ||
f2621c7f | 1522 | case 'm': /* --mx-host */ |
849a8357 SK |
1523 | { |
1524 | int pref = 1; | |
1525 | struct mx_srv_record *new; | |
1f15b81d SK |
1526 | char *name, *target = NULL; |
1527 | ||
f2621c7f | 1528 | if ((comma = split(arg))) |
849a8357 SK |
1529 | { |
1530 | char *prefstr; | |
1f15b81d | 1531 | if ((prefstr = split(comma)) && !atoi_check16(prefstr, &pref)) |
c4a7f90e | 1532 | ret_err(_("bad MX preference")); |
849a8357 SK |
1533 | } |
1534 | ||
1f15b81d SK |
1535 | if (!(name = canonicalise_opt(arg)) || |
1536 | (comma && !(target = canonicalise_opt(comma)))) | |
c4a7f90e | 1537 | ret_err(_("bad MX name")); |
1f15b81d | 1538 | |
824af85b | 1539 | new = opt_malloc(sizeof(struct mx_srv_record)); |
849a8357 SK |
1540 | new->next = daemon->mxnames; |
1541 | daemon->mxnames = new; | |
1542 | new->issrv = 0; | |
1f15b81d SK |
1543 | new->name = name; |
1544 | new->target = target; /* may be NULL */ | |
849a8357 SK |
1545 | new->weight = pref; |
1546 | break; | |
1547 | } | |
1548 | ||
f2621c7f | 1549 | case 't': /* --mx-target */ |
1f15b81d | 1550 | if (!(daemon->mxtarget = canonicalise_opt(arg))) |
c4a7f90e | 1551 | ret_err(_("bad MX target")); |
849a8357 | 1552 | break; |
7622fc06 SK |
1553 | |
1554 | #ifdef HAVE_DHCP | |
f2621c7f | 1555 | case 'l': /* --dhcp-leasefile */ |
824af85b | 1556 | daemon->lease_file = opt_string_alloc(arg); |
849a8357 SK |
1557 | break; |
1558 | ||
c72daea8 SK |
1559 | /* Sorry about the gross pre-processor abuse */ |
1560 | case '6': /* --dhcp-script */ | |
1561 | case LOPT_LUASCRIPT: /* --dhcp-luascript */ | |
1f15b81d | 1562 | # if defined(NO_FORK) |
c4a7f90e | 1563 | ret_err(_("cannot run scripts under uClinux")); |
1f15b81d | 1564 | # elif !defined(HAVE_SCRIPT) |
c4a7f90e | 1565 | ret_err(_("recompile with HAVE_SCRIPT defined to enable lease-change scripts")); |
7622fc06 | 1566 | # else |
c72daea8 SK |
1567 | if (option == LOPT_LUASCRIPT) |
1568 | # if !defined(HAVE_LUASCRIPT) | |
c4a7f90e | 1569 | ret_err(_("recompile with HAVE_LUASCRIPT defined to enable Lua scripts")); |
c72daea8 SK |
1570 | # else |
1571 | daemon->luascript = opt_string_alloc(arg); | |
1572 | # endif | |
1573 | else | |
1574 | daemon->lease_change_command = opt_string_alloc(arg); | |
7622fc06 | 1575 | # endif |
849a8357 | 1576 | break; |
c72daea8 | 1577 | #endif /* HAVE_DHCP */ |
7622fc06 | 1578 | |
28866e95 SK |
1579 | case LOPT_DHCP_HOST: /* --dhcp-hostfile */ |
1580 | case LOPT_DHCP_OPTS: /* --dhcp-optsfile */ | |
f2621c7f | 1581 | case 'H': /* --addn-hosts */ |
849a8357 | 1582 | { |
824af85b | 1583 | struct hostsfile *new = opt_malloc(sizeof(struct hostsfile)); |
849a8357 | 1584 | static int hosts_index = 1; |
824af85b | 1585 | new->fname = opt_string_alloc(arg); |
849a8357 | 1586 | new->index = hosts_index++; |
7622fc06 | 1587 | new->flags = 0; |
28866e95 SK |
1588 | if (option == 'H') |
1589 | { | |
1590 | new->next = daemon->addn_hosts; | |
1591 | daemon->addn_hosts = new; | |
1592 | } | |
1593 | else if (option == LOPT_DHCP_HOST) | |
1594 | { | |
1595 | new->next = daemon->dhcp_hosts_file; | |
1596 | daemon->dhcp_hosts_file = new; | |
1597 | } | |
e1ff419c | 1598 | else if (option == LOPT_DHCP_OPTS) |
28866e95 SK |
1599 | { |
1600 | new->next = daemon->dhcp_opts_file; | |
1601 | daemon->dhcp_opts_file = new; | |
1602 | } | |
849a8357 SK |
1603 | break; |
1604 | } | |
1605 | ||
f373a15b SK |
1606 | |
1607 | #ifdef HAVE_AUTH | |
4f7b304f | 1608 | case LOPT_AUTHSERV: /* --auth-server */ |
86e3b9a0 | 1609 | if (!(comma = split(arg))) |
4f7b304f SK |
1610 | ret_err(gen_err); |
1611 | ||
4f7b304f | 1612 | daemon->authserver = opt_string_alloc(arg); |
429798fd SK |
1613 | arg = comma; |
1614 | do { | |
1615 | struct iname *new = opt_malloc(sizeof(struct iname)); | |
1616 | comma = split(arg); | |
1617 | new->name = NULL; | |
1618 | unhide_metas(arg); | |
ddd9a6b4 | 1619 | if (inet_pton(AF_INET, arg, &new->addr.in.sin_addr) > 0) |
429798fd SK |
1620 | new->addr.sa.sa_family = AF_INET; |
1621 | #ifdef HAVE_IPV6 | |
1622 | else if (inet_pton(AF_INET6, arg, &new->addr.in6.sin6_addr) > 0) | |
1623 | new->addr.sa.sa_family = AF_INET6; | |
1624 | #endif | |
1625 | else | |
f25e6c6d SK |
1626 | { |
1627 | char *fam = split_chr(arg, '/'); | |
1628 | new->name = opt_string_alloc(arg); | |
1629 | new->addr.sa.sa_family = 0; | |
1630 | if (fam) | |
1631 | { | |
1632 | if (strcmp(fam, "4") == 0) | |
1633 | new->addr.sa.sa_family = AF_INET; | |
1634 | #ifdef HAVE_IPV6 | |
1635 | else if (strcmp(fam, "6") == 0) | |
1636 | new->addr.sa.sa_family = AF_INET6; | |
1637 | #endif | |
1638 | else | |
1639 | ret_err(gen_err); | |
1640 | } | |
1641 | } | |
429798fd SK |
1642 | new->next = daemon->authinterface; |
1643 | daemon->authinterface = new; | |
1644 | ||
1645 | arg = comma; | |
1646 | } while (arg); | |
1647 | ||
4f7b304f | 1648 | break; |
e1ff419c SK |
1649 | |
1650 | case LOPT_AUTHSFS: /* --auth-sec-servers */ | |
1651 | { | |
1652 | struct name_list *new; | |
1653 | ||
1654 | do { | |
1655 | comma = split(arg); | |
429798fd | 1656 | new = opt_malloc(sizeof(struct name_list)); |
e1ff419c SK |
1657 | new->name = opt_string_alloc(arg); |
1658 | new->next = daemon->secondary_forward_server; | |
1659 | daemon->secondary_forward_server = new; | |
1660 | arg = comma; | |
1661 | } while (arg); | |
1662 | break; | |
1663 | } | |
1664 | ||
4f7b304f SK |
1665 | case LOPT_AUTHZONE: /* --auth-zone */ |
1666 | { | |
1667 | struct auth_zone *new; | |
1668 | ||
1669 | comma = split(arg); | |
1e14cc0f | 1670 | |
429798fd | 1671 | new = opt_malloc(sizeof(struct auth_zone)); |
4f7b304f SK |
1672 | new->domain = opt_string_alloc(arg); |
1673 | new->subnet = NULL; | |
376d48c7 | 1674 | new->interface_names = NULL; |
4f7b304f SK |
1675 | new->next = daemon->auth_zones; |
1676 | daemon->auth_zones = new; | |
1677 | ||
1678 | while ((arg = comma)) | |
1679 | { | |
1680 | int prefixlen = 0; | |
1681 | char *prefix; | |
376d48c7 SK |
1682 | struct addrlist *subnet = NULL; |
1683 | struct all_addr addr; | |
4f7b304f SK |
1684 | |
1685 | comma = split(arg); | |
1686 | prefix = split_chr(arg, '/'); | |
1687 | ||
1688 | if (prefix && !atoi_check(prefix, &prefixlen)) | |
1689 | ret_err(gen_err); | |
1690 | ||
376d48c7 | 1691 | if (inet_pton(AF_INET, arg, &addr.addr.addr4)) |
4f7b304f | 1692 | { |
376d48c7 | 1693 | subnet = opt_malloc(sizeof(struct addrlist)); |
4f7b304f | 1694 | subnet->prefixlen = (prefixlen == 0) ? 24 : prefixlen; |
376d48c7 | 1695 | subnet->flags = ADDRLIST_LITERAL; |
4f7b304f SK |
1696 | } |
1697 | #ifdef HAVE_IPV6 | |
376d48c7 | 1698 | else if (inet_pton(AF_INET6, arg, &addr.addr.addr6)) |
4f7b304f | 1699 | { |
376d48c7 | 1700 | subnet = opt_malloc(sizeof(struct addrlist)); |
4f7b304f | 1701 | subnet->prefixlen = (prefixlen == 0) ? 64 : prefixlen; |
376d48c7 | 1702 | subnet->flags = ADDRLIST_LITERAL | ADDRLIST_IPV6; |
4f7b304f SK |
1703 | } |
1704 | #endif | |
376d48c7 SK |
1705 | else |
1706 | { | |
1707 | struct auth_name_list *name = opt_malloc(sizeof(struct auth_name_list)); | |
1708 | name->name = opt_string_alloc(arg); | |
1709 | name->flags = AUTH4 | AUTH6; | |
1710 | name->next = new->interface_names; | |
1711 | new->interface_names = name; | |
1712 | if (prefix) | |
1713 | { | |
1714 | if (prefixlen == 4) | |
1715 | name->flags &= ~AUTH6; | |
1716 | #ifdef HAVE_IPV6 | |
1717 | else if (prefixlen == 6) | |
1718 | name->flags &= ~AUTH4; | |
1719 | #endif | |
1720 | else | |
1721 | ret_err(gen_err); | |
1722 | } | |
1723 | } | |
1724 | ||
1725 | if (subnet) | |
1726 | { | |
1727 | subnet->addr = addr; | |
1728 | subnet->next = new->subnet; | |
1729 | new->subnet = subnet; | |
1730 | } | |
4f7b304f SK |
1731 | } |
1732 | break; | |
1733 | } | |
376d48c7 | 1734 | |
4f7b304f SK |
1735 | case LOPT_AUTHSOA: /* --auth-soa */ |
1736 | comma = split(arg); | |
5c72bb9e | 1737 | daemon->soa_sn = (u32)atoi(arg); |
4f7b304f SK |
1738 | if (comma) |
1739 | { | |
86e3b9a0 | 1740 | char *cp; |
4f7b304f SK |
1741 | arg = comma; |
1742 | comma = split(arg); | |
1743 | daemon->hostmaster = opt_string_alloc(arg); | |
86e3b9a0 SK |
1744 | for (cp = daemon->hostmaster; *cp; cp++) |
1745 | if (*cp == '@') | |
1746 | *cp = '.'; | |
1747 | ||
4f7b304f SK |
1748 | if (comma) |
1749 | { | |
1750 | arg = comma; | |
1751 | comma = split(arg); | |
5c72bb9e | 1752 | daemon->soa_refresh = (u32)atoi(arg); |
4f7b304f SK |
1753 | if (comma) |
1754 | { | |
1755 | arg = comma; | |
1756 | comma = split(arg); | |
5c72bb9e | 1757 | daemon->soa_retry = (u32)atoi(arg); |
4f7b304f SK |
1758 | if (comma) |
1759 | { | |
1760 | arg = comma; | |
1761 | comma = split(arg); | |
5c72bb9e | 1762 | daemon->soa_expiry = (u32)atoi(arg); |
4f7b304f SK |
1763 | } |
1764 | } | |
1765 | } | |
1766 | } | |
1767 | ||
1768 | break; | |
f373a15b | 1769 | #endif |
4f7b304f | 1770 | |
2bb73af7 SK |
1771 | case 's': /* --domain */ |
1772 | case LOPT_SYNTH: /* --synth-domain */ | |
849a8357 | 1773 | if (strcmp (arg, "#") == 0) |
28866e95 | 1774 | set_option_bool(OPT_RESOLV_DOMAIN); |
849a8357 | 1775 | else |
9009d746 | 1776 | { |
1f15b81d | 1777 | char *d; |
9009d746 | 1778 | comma = split(arg); |
1f15b81d | 1779 | if (!(d = canonicalise_opt(arg))) |
c4a7f90e | 1780 | ret_err(gen_err); |
9009d746 SK |
1781 | else |
1782 | { | |
9009d746 SK |
1783 | if (comma) |
1784 | { | |
429798fd | 1785 | struct cond_domain *new = opt_malloc(sizeof(struct cond_domain)); |
28866e95 | 1786 | char *netpart; |
2bb73af7 | 1787 | |
48fd1c4d SK |
1788 | new->prefix = NULL; |
1789 | ||
9009d746 | 1790 | unhide_metas(comma); |
28866e95 | 1791 | if ((netpart = split_chr(comma, '/'))) |
9009d746 | 1792 | { |
d74942a0 SK |
1793 | int msize; |
1794 | ||
28866e95 | 1795 | arg = split(netpart); |
d74942a0 | 1796 | if (!atoi_check(netpart, &msize)) |
c4a7f90e | 1797 | ret_err(gen_err); |
d74942a0 | 1798 | else if (inet_pton(AF_INET, comma, &new->start)) |
9009d746 | 1799 | { |
d74942a0 SK |
1800 | int mask = (1 << (32 - msize)) - 1; |
1801 | new->is6 = 0; | |
9009d746 SK |
1802 | new->start.s_addr = ntohl(htonl(new->start.s_addr) & ~mask); |
1803 | new->end.s_addr = new->start.s_addr | htonl(mask); | |
28866e95 SK |
1804 | if (arg) |
1805 | { | |
48fd1c4d | 1806 | if (option != 's') |
b5a7ff42 SK |
1807 | { |
1808 | if (!(new->prefix = canonicalise_opt(arg)) || | |
1809 | strlen(new->prefix) > MAXLABEL - INET_ADDRSTRLEN) | |
1810 | ret_err(_("bad prefix")); | |
1811 | } | |
48fd1c4d SK |
1812 | else if (strcmp(arg, "local") != 0 || |
1813 | (msize != 8 && msize != 16 && msize != 24)) | |
c4a7f90e | 1814 | ret_err(gen_err); |
28866e95 SK |
1815 | else |
1816 | { | |
48fd1c4d SK |
1817 | /* generate the equivalent of |
1818 | local=/<domain>/ | |
1819 | local=/xxx.yyy.zzz.in-addr.arpa/ */ | |
28866e95 SK |
1820 | struct server *serv = opt_malloc(sizeof(struct server)); |
1821 | in_addr_t a = ntohl(new->start.s_addr) >> 8; | |
1822 | char *p; | |
48fd1c4d | 1823 | |
28866e95 SK |
1824 | memset(serv, 0, sizeof(struct server)); |
1825 | serv->domain = d; | |
1826 | serv->flags = SERV_HAS_DOMAIN | SERV_NO_ADDR; | |
1827 | serv->next = daemon->servers; | |
1828 | daemon->servers = serv; | |
48fd1c4d | 1829 | |
28866e95 SK |
1830 | serv = opt_malloc(sizeof(struct server)); |
1831 | memset(serv, 0, sizeof(struct server)); | |
1832 | p = serv->domain = opt_malloc(25); /* strlen("xxx.yyy.zzz.in-addr.arpa")+1 */ | |
1833 | ||
1834 | if (msize == 24) | |
1835 | p += sprintf(p, "%d.", a & 0xff); | |
1836 | a = a >> 8; | |
1837 | if (msize != 8) | |
1838 | p += sprintf(p, "%d.", a & 0xff); | |
1839 | a = a >> 8; | |
1840 | p += sprintf(p, "%d.in-addr.arpa", a & 0xff); | |
48fd1c4d | 1841 | |
28866e95 SK |
1842 | serv->flags = SERV_HAS_DOMAIN | SERV_NO_ADDR; |
1843 | serv->next = daemon->servers; | |
1844 | daemon->servers = serv; | |
1845 | } | |
1846 | } | |
9009d746 | 1847 | } |
d74942a0 SK |
1848 | #ifdef HAVE_IPV6 |
1849 | else if (inet_pton(AF_INET6, comma, &new->start6)) | |
1850 | { | |
1851 | u64 mask = (1LLU << (128 - msize)) - 1LLU; | |
1852 | u64 addrpart = addr6part(&new->start6); | |
1853 | new->is6 = 1; | |
48fd1c4d | 1854 | |
d74942a0 SK |
1855 | /* prefix==64 overflows the mask calculation above */ |
1856 | if (msize == 64) | |
1857 | mask = (u64)-1LL; | |
48fd1c4d | 1858 | |
d74942a0 SK |
1859 | new->end6 = new->start6; |
1860 | setaddr6part(&new->start6, addrpart & ~mask); | |
1861 | setaddr6part(&new->end6, addrpart | mask); | |
1862 | ||
1863 | if (msize < 64) | |
c4a7f90e | 1864 | ret_err(gen_err); |
d74942a0 SK |
1865 | else if (arg) |
1866 | { | |
48fd1c4d | 1867 | if (option != 's') |
b5a7ff42 SK |
1868 | { |
1869 | if (!(new->prefix = canonicalise_opt(arg)) || | |
1870 | strlen(new->prefix) > MAXLABEL - INET6_ADDRSTRLEN) | |
1871 | ret_err(_("bad prefix")); | |
1872 | } | |
48fd1c4d | 1873 | else if (strcmp(arg, "local") != 0 || ((msize & 4) != 0)) |
c4a7f90e | 1874 | ret_err(gen_err); |
d74942a0 SK |
1875 | else |
1876 | { | |
48fd1c4d SK |
1877 | /* generate the equivalent of |
1878 | local=/<domain>/ | |
1879 | local=/xxx.yyy.zzz.ip6.arpa/ */ | |
d74942a0 | 1880 | struct server *serv = opt_malloc(sizeof(struct server)); |
d74942a0 | 1881 | char *p; |
ceae00dd | 1882 | |
d74942a0 SK |
1883 | memset(serv, 0, sizeof(struct server)); |
1884 | serv->domain = d; | |
1885 | serv->flags = SERV_HAS_DOMAIN | SERV_NO_ADDR; | |
1886 | serv->next = daemon->servers; | |
1887 | daemon->servers = serv; | |
1888 | ||
1889 | serv = opt_malloc(sizeof(struct server)); | |
1890 | memset(serv, 0, sizeof(struct server)); | |
1891 | p = serv->domain = opt_malloc(73); /* strlen("32*<n.>ip6.arpa")+1 */ | |
1892 | ||
1893 | for (i = msize-1; i >= 0; i -= 4) | |
1894 | { | |
1895 | int dig = ((unsigned char *)&new->start6)[i>>3]; | |
1896 | p += sprintf(p, "%.1x.", (i>>2) & 1 ? dig & 15 : dig >> 4); | |
1897 | } | |
1898 | p += sprintf(p, "ip6.arpa"); | |
1899 | ||
1900 | serv->flags = SERV_HAS_DOMAIN | SERV_NO_ADDR; | |
1901 | serv->next = daemon->servers; | |
1902 | daemon->servers = serv; | |
1903 | } | |
1904 | } | |
1905 | } | |
1906 | #endif | |
1907 | else | |
c4a7f90e | 1908 | ret_err(gen_err); |
9009d746 | 1909 | } |
eec5c1e2 | 1910 | else |
9009d746 | 1911 | { |
eec5c1e2 | 1912 | char *prefstr; |
d74942a0 | 1913 | arg = split(comma); |
eec5c1e2 SK |
1914 | prefstr = split(arg); |
1915 | ||
d74942a0 SK |
1916 | if (inet_pton(AF_INET, comma, &new->start)) |
1917 | { | |
1918 | new->is6 = 0; | |
1919 | if (!arg) | |
1920 | new->end.s_addr = new->start.s_addr; | |
1921 | else if (!inet_pton(AF_INET, arg, &new->end)) | |
c4a7f90e | 1922 | ret_err(gen_err); |
d74942a0 SK |
1923 | } |
1924 | #ifdef HAVE_IPV6 | |
1925 | else if (inet_pton(AF_INET6, comma, &new->start6)) | |
1926 | { | |
1927 | new->is6 = 1; | |
1928 | if (!arg) | |
1929 | memcpy(&new->end6, &new->start6, IN6ADDRSZ); | |
1930 | else if (!inet_pton(AF_INET6, arg, &new->end6)) | |
c4a7f90e | 1931 | ret_err(gen_err); |
d74942a0 SK |
1932 | } |
1933 | #endif | |
1934 | else | |
c4a7f90e | 1935 | ret_err(gen_err); |
eec5c1e2 SK |
1936 | |
1937 | if (option != 's' && prefstr) | |
1938 | { | |
1939 | if (!(new->prefix = canonicalise_opt(prefstr)) || | |
1940 | strlen(new->prefix) > MAXLABEL - INET_ADDRSTRLEN) | |
1941 | ret_err(_("bad prefix")); | |
1942 | } | |
d74942a0 | 1943 | } |
2307eac6 SK |
1944 | |
1945 | new->domain = d; | |
2bb73af7 SK |
1946 | if (option == 's') |
1947 | { | |
1948 | new->next = daemon->cond_domain; | |
1949 | daemon->cond_domain = new; | |
1950 | } | |
1951 | else | |
1952 | { | |
1953 | new->next = daemon->synth_domains; | |
1954 | daemon->synth_domains = new; | |
1955 | } | |
9009d746 | 1956 | } |
2bb73af7 | 1957 | else if (option == 's') |
9009d746 | 1958 | daemon->domain_suffix = d; |
2bb73af7 SK |
1959 | else |
1960 | ret_err(gen_err); | |
9009d746 SK |
1961 | } |
1962 | } | |
849a8357 SK |
1963 | break; |
1964 | ||
f2621c7f | 1965 | case 'u': /* --user */ |
824af85b | 1966 | daemon->username = opt_string_alloc(arg); |
849a8357 SK |
1967 | break; |
1968 | ||
f2621c7f | 1969 | case 'g': /* --group */ |
824af85b | 1970 | daemon->groupname = opt_string_alloc(arg); |
1a6bca81 | 1971 | daemon->group_set = 1; |
849a8357 | 1972 | break; |
9e038946 | 1973 | |
7622fc06 | 1974 | #ifdef HAVE_DHCP |
9e038946 SK |
1975 | case LOPT_SCRIPTUSR: /* --scriptuser */ |
1976 | daemon->scriptuser = opt_string_alloc(arg); | |
1977 | break; | |
7622fc06 | 1978 | #endif |
849a8357 | 1979 | |
f2621c7f | 1980 | case 'i': /* --interface */ |
849a8357 | 1981 | do { |
824af85b | 1982 | struct iname *new = opt_malloc(sizeof(struct iname)); |
f2621c7f | 1983 | comma = split(arg); |
849a8357 SK |
1984 | new->next = daemon->if_names; |
1985 | daemon->if_names = new; | |
1986 | /* new->name may be NULL if someone does | |
1987 | "interface=" to disable all interfaces except loop. */ | |
824af85b | 1988 | new->name = opt_string_alloc(arg); |
4ce4f377 | 1989 | new->used = 0; |
849a8357 SK |
1990 | arg = comma; |
1991 | } while (arg); | |
1992 | break; | |
1993 | ||
2937f8a0 SK |
1994 | case LOPT_TFTP: /* --enable-tftp */ |
1995 | set_option_bool(OPT_TFTP); | |
1996 | if (!arg) | |
1997 | break; | |
1998 | /* fall through */ | |
1999 | ||
f2621c7f SK |
2000 | case 'I': /* --except-interface */ |
2001 | case '2': /* --no-dhcp-interface */ | |
849a8357 | 2002 | do { |
824af85b | 2003 | struct iname *new = opt_malloc(sizeof(struct iname)); |
f2621c7f | 2004 | comma = split(arg); |
824af85b | 2005 | new->name = opt_string_alloc(arg); |
849a8357 SK |
2006 | if (option == 'I') |
2007 | { | |
2008 | new->next = daemon->if_except; | |
2009 | daemon->if_except = new; | |
2010 | } | |
2937f8a0 SK |
2011 | else if (option == LOPT_TFTP) |
2012 | { | |
2013 | new->next = daemon->tftp_interfaces; | |
2014 | daemon->tftp_interfaces = new; | |
2015 | } | |
849a8357 SK |
2016 | else |
2017 | { | |
2018 | new->next = daemon->dhcp_except; | |
2019 | daemon->dhcp_except = new; | |
2020 | } | |
2021 | arg = comma; | |
2022 | } while (arg); | |
2023 | break; | |
2024 | ||
f2621c7f | 2025 | case 'B': /* --bogus-nxdomain */ |
849a8357 SK |
2026 | { |
2027 | struct in_addr addr; | |
2028 | unhide_metas(arg); | |
ddd9a6b4 | 2029 | if (arg && (inet_pton(AF_INET, arg, &addr) > 0)) |
849a8357 | 2030 | { |
824af85b | 2031 | struct bogus_addr *baddr = opt_malloc(sizeof(struct bogus_addr)); |
849a8357 SK |
2032 | baddr->next = daemon->bogus_addr; |
2033 | daemon->bogus_addr = baddr; | |
2034 | baddr->addr = addr; | |
2035 | } | |
2036 | else | |
c4a7f90e | 2037 | ret_err(gen_err); /* error */ |
849a8357 SK |
2038 | break; |
2039 | } | |
2040 | ||
f2621c7f | 2041 | case 'a': /* --listen-address */ |
49678767 | 2042 | case LOPT_AUTHPEER: /* --auth-peer */ |
849a8357 | 2043 | do { |
824af85b | 2044 | struct iname *new = opt_malloc(sizeof(struct iname)); |
f2621c7f | 2045 | comma = split(arg); |
849a8357 | 2046 | unhide_metas(arg); |
ddd9a6b4 | 2047 | if (arg && (inet_pton(AF_INET, arg, &new->addr.in.sin_addr) > 0)) |
849a8357 SK |
2048 | { |
2049 | new->addr.sa.sa_family = AF_INET; | |
49678767 | 2050 | new->addr.in.sin_port = 0; |
849a8357 SK |
2051 | #ifdef HAVE_SOCKADDR_SA_LEN |
2052 | new->addr.in.sin_len = sizeof(new->addr.in); | |
2053 | #endif | |
2054 | } | |
2055 | #ifdef HAVE_IPV6 | |
2056 | else if (arg && inet_pton(AF_INET6, arg, &new->addr.in6.sin6_addr) > 0) | |
2057 | { | |
2058 | new->addr.sa.sa_family = AF_INET6; | |
2059 | new->addr.in6.sin6_flowinfo = 0; | |
2060 | new->addr.in6.sin6_scope_id = 0; | |
49678767 | 2061 | new->addr.in6.sin6_port = 0; |
849a8357 SK |
2062 | #ifdef HAVE_SOCKADDR_SA_LEN |
2063 | new->addr.in6.sin6_len = sizeof(new->addr.in6); | |
2064 | #endif | |
2065 | } | |
2066 | #endif | |
2067 | else | |
c4a7f90e | 2068 | ret_err(gen_err); |
4ce4f377 SK |
2069 | |
2070 | new->used = 0; | |
49678767 SK |
2071 | if (option == 'a') |
2072 | { | |
2073 | new->next = daemon->if_addrs; | |
2074 | daemon->if_addrs = new; | |
2075 | } | |
2076 | else | |
2077 | { | |
2078 | new->next = daemon->auth_peers; | |
2079 | daemon->auth_peers = new; | |
2080 | } | |
849a8357 SK |
2081 | arg = comma; |
2082 | } while (arg); | |
2083 | break; | |
2084 | ||
8ef5ada2 SK |
2085 | case 'S': /* --server */ |
2086 | case LOPT_LOCAL: /* --local */ | |
2087 | case 'A': /* --address */ | |
2088 | case LOPT_NO_REBIND: /* --rebind-domain-ok */ | |
849a8357 SK |
2089 | { |
2090 | struct server *serv, *newlist = NULL; | |
2091 | ||
2092 | unhide_metas(arg); | |
2093 | ||
8ef5ada2 | 2094 | if (arg && (*arg == '/' || option == LOPT_NO_REBIND)) |
849a8357 | 2095 | { |
8ef5ada2 SK |
2096 | int rebind = !(*arg == '/'); |
2097 | char *end = NULL; | |
2098 | if (!rebind) | |
2099 | arg++; | |
2100 | while (rebind || (end = split_chr(arg, '/'))) | |
fd9fa481 | 2101 | { |
849a8357 | 2102 | char *domain = NULL; |
8ef5ada2 SK |
2103 | /* elide leading dots - they are implied in the search algorithm */ |
2104 | while (*arg == '.') arg++; | |
849a8357 SK |
2105 | /* # matches everything and becomes a zero length domain string */ |
2106 | if (strcmp(arg, "#") == 0) | |
2107 | domain = ""; | |
1f15b81d | 2108 | else if (strlen (arg) != 0 && !(domain = canonicalise_opt(arg))) |
849a8357 | 2109 | option = '?'; |
824af85b SK |
2110 | serv = opt_malloc(sizeof(struct server)); |
2111 | memset(serv, 0, sizeof(struct server)); | |
849a8357 SK |
2112 | serv->next = newlist; |
2113 | newlist = serv; | |
849a8357 SK |
2114 | serv->domain = domain; |
2115 | serv->flags = domain ? SERV_HAS_DOMAIN : SERV_FOR_NODOTS; | |
73a08a24 | 2116 | arg = end; |
8ef5ada2 SK |
2117 | if (rebind) |
2118 | break; | |
fd9fa481 | 2119 | } |
849a8357 | 2120 | if (!newlist) |
c4a7f90e | 2121 | ret_err(gen_err); |
849a8357 SK |
2122 | } |
2123 | else | |
2124 | { | |
824af85b SK |
2125 | newlist = opt_malloc(sizeof(struct server)); |
2126 | memset(newlist, 0, sizeof(struct server)); | |
849a8357 SK |
2127 | } |
2128 | ||
2129 | if (option == 'A') | |
2130 | { | |
2131 | newlist->flags |= SERV_LITERAL_ADDRESS; | |
2132 | if (!(newlist->flags & SERV_TYPE)) | |
c4a7f90e | 2133 | ret_err(gen_err); |
849a8357 | 2134 | } |
8ef5ada2 SK |
2135 | else if (option == LOPT_NO_REBIND) |
2136 | newlist->flags |= SERV_NO_REBIND; | |
849a8357 SK |
2137 | |
2138 | if (!arg || !*arg) | |
2139 | { | |
8ef5ada2 SK |
2140 | if (!(newlist->flags & SERV_NO_REBIND)) |
2141 | newlist->flags |= SERV_NO_ADDR; /* no server */ | |
2142 | if (newlist->flags & SERV_LITERAL_ADDRESS) | |
c4a7f90e | 2143 | ret_err(gen_err); |
8ef5ada2 SK |
2144 | } |
2145 | ||
2146 | else if (strcmp(arg, "#") == 0) | |
2147 | { | |
2148 | newlist->flags |= SERV_USE_RESOLV; /* treat in ordinary way */ | |
849a8357 | 2149 | if (newlist->flags & SERV_LITERAL_ADDRESS) |
c4a7f90e | 2150 | ret_err(gen_err); |
849a8357 SK |
2151 | } |
2152 | else | |
2153 | { | |
faafb3f7 SK |
2154 | char *err = parse_server(arg, &newlist->addr, &newlist->source_addr, newlist->interface, &newlist->flags); |
2155 | if (err) | |
2156 | ret_err(err); | |
849a8357 SK |
2157 | } |
2158 | ||
f2621c7f SK |
2159 | serv = newlist; |
2160 | while (serv->next) | |
849a8357 | 2161 | { |
f2621c7f SK |
2162 | serv->next->flags = serv->flags; |
2163 | serv->next->addr = serv->addr; | |
2164 | serv->next->source_addr = serv->source_addr; | |
faafb3f7 | 2165 | strcpy(serv->next->interface, serv->interface); |
f2621c7f | 2166 | serv = serv->next; |
849a8357 | 2167 | } |
f2621c7f SK |
2168 | serv->next = daemon->servers; |
2169 | daemon->servers = newlist; | |
849a8357 SK |
2170 | break; |
2171 | } | |
13d86c73 JD |
2172 | |
2173 | case LOPT_IPSET: /* --ipset */ | |
2174 | #ifndef HAVE_IPSET | |
2175 | ret_err(_("recompile with HAVE_IPSET defined to enable ipset directives")); | |
2176 | break; | |
2177 | #else | |
2178 | { | |
2179 | struct ipsets ipsets_head; | |
2180 | struct ipsets *ipsets = &ipsets_head; | |
2181 | int size; | |
2182 | char *end; | |
2183 | char **sets, **sets_pos; | |
2184 | memset(ipsets, 0, sizeof(struct ipsets)); | |
2185 | unhide_metas(arg); | |
2186 | if (arg && *arg == '/') | |
2187 | { | |
2188 | arg++; | |
2189 | while ((end = split_chr(arg, '/'))) | |
2190 | { | |
2191 | char *domain = NULL; | |
2192 | /* elide leading dots - they are implied in the search algorithm */ | |
2193 | while (*arg == '.') | |
2194 | arg++; | |
2195 | /* # matches everything and becomes a zero length domain string */ | |
2196 | if (strcmp(arg, "#") == 0 || !*arg) | |
2197 | domain = ""; | |
2198 | else if (strlen(arg) != 0 && !(domain = canonicalise_opt(arg))) | |
2199 | option = '?'; | |
2200 | ipsets->next = opt_malloc(sizeof(struct ipsets)); | |
2201 | ipsets = ipsets->next; | |
2202 | memset(ipsets, 0, sizeof(struct ipsets)); | |
2203 | ipsets->domain = domain; | |
2204 | arg = end; | |
2205 | } | |
2206 | } | |
2207 | else | |
2208 | { | |
2209 | ipsets->next = opt_malloc(sizeof(struct ipsets)); | |
2210 | ipsets = ipsets->next; | |
2211 | memset(ipsets, 0, sizeof(struct ipsets)); | |
2212 | ipsets->domain = ""; | |
2213 | } | |
2214 | if (!arg || !*arg) | |
2215 | { | |
2216 | option = '?'; | |
2217 | break; | |
2218 | } | |
2219 | size = 2; | |
2220 | for (end = arg; *end; ++end) | |
2221 | if (*end == ',') | |
2222 | ++size; | |
2223 | ||
2224 | sets = sets_pos = opt_malloc(sizeof(char *) * size); | |
2225 | ||
2226 | do { | |
2227 | end = split(arg); | |
2228 | *sets_pos++ = opt_string_alloc(arg); | |
2229 | arg = end; | |
2230 | } while (end); | |
2231 | *sets_pos = 0; | |
2232 | for (ipsets = &ipsets_head; ipsets->next; ipsets = ipsets->next) | |
2233 | ipsets->next->sets = sets; | |
2234 | ipsets->next = daemon->ipsets; | |
2235 | daemon->ipsets = ipsets_head.next; | |
2236 | ||
2237 | break; | |
2238 | } | |
2239 | #endif | |
849a8357 | 2240 | |
f2621c7f | 2241 | case 'c': /* --cache-size */ |
849a8357 SK |
2242 | { |
2243 | int size; | |
2244 | ||
2245 | if (!atoi_check(arg, &size)) | |
c4a7f90e | 2246 | ret_err(gen_err); |
849a8357 SK |
2247 | else |
2248 | { | |
2249 | /* zero is OK, and means no caching. */ | |
2250 | ||
2251 | if (size < 0) | |
2252 | size = 0; | |
2253 | else if (size > 10000) | |
2254 | size = 10000; | |
2255 | ||
2256 | daemon->cachesize = size; | |
2257 | } | |
2258 | break; | |
2259 | } | |
2260 | ||
f2621c7f | 2261 | case 'p': /* --port */ |
1ad24ae1 | 2262 | if (!atoi_check16(arg, &daemon->port)) |
c4a7f90e | 2263 | ret_err(gen_err); |
849a8357 | 2264 | break; |
208b65c5 | 2265 | |
1a6bca81 | 2266 | case LOPT_MINPORT: /* --min-port */ |
1ad24ae1 | 2267 | if (!atoi_check16(arg, &daemon->min_port)) |
c4a7f90e | 2268 | ret_err(gen_err); |
1a6bca81 SK |
2269 | break; |
2270 | ||
f2621c7f | 2271 | case '0': /* --dns-forward-max */ |
208b65c5 | 2272 | if (!atoi_check(arg, &daemon->ftabsize)) |
c4a7f90e | 2273 | ret_err(gen_err); |
208b65c5 SK |
2274 | break; |
2275 | ||
f2621c7f SK |
2276 | case LOPT_MAX_LOGS: /* --log-async */ |
2277 | daemon->max_logs = LOG_MAX; /* default */ | |
2278 | if (arg && !atoi_check(arg, &daemon->max_logs)) | |
c4a7f90e | 2279 | ret_err(gen_err); |
f2621c7f SK |
2280 | else if (daemon->max_logs > 100) |
2281 | daemon->max_logs = 100; | |
2282 | break; | |
2283 | ||
2284 | case 'P': /* --edns-packet-max */ | |
849a8357 SK |
2285 | { |
2286 | int i; | |
2287 | if (!atoi_check(arg, &i)) | |
c4a7f90e | 2288 | ret_err(gen_err); |
849a8357 SK |
2289 | daemon->edns_pktsz = (unsigned short)i; |
2290 | break; | |
2291 | } | |
2292 | ||
f2621c7f | 2293 | case 'Q': /* --query-port */ |
1ad24ae1 | 2294 | if (!atoi_check16(arg, &daemon->query_port)) |
c4a7f90e | 2295 | ret_err(gen_err); |
1a6bca81 SK |
2296 | /* if explicitly set to zero, use single OS ephemeral port |
2297 | and disable random ports */ | |
2298 | if (daemon->query_port == 0) | |
2299 | daemon->osport = 1; | |
849a8357 SK |
2300 | break; |
2301 | ||
824af85b SK |
2302 | case 'T': /* --local-ttl */ |
2303 | case LOPT_NEGTTL: /* --neg-ttl */ | |
8ef5ada2 | 2304 | case LOPT_MAXTTL: /* --max-ttl */ |
1d860415 | 2305 | case LOPT_MAXCTTL: /* --max-cache-ttl */ |
4f7b304f | 2306 | case LOPT_AUTHTTL: /* --auth-ttl */ |
849a8357 SK |
2307 | { |
2308 | int ttl; | |
2309 | if (!atoi_check(arg, &ttl)) | |
c4a7f90e | 2310 | ret_err(gen_err); |
824af85b SK |
2311 | else if (option == LOPT_NEGTTL) |
2312 | daemon->neg_ttl = (unsigned long)ttl; | |
8ef5ada2 SK |
2313 | else if (option == LOPT_MAXTTL) |
2314 | daemon->max_ttl = (unsigned long)ttl; | |
1d860415 SK |
2315 | else if (option == LOPT_MAXCTTL) |
2316 | daemon->max_cache_ttl = (unsigned long)ttl; | |
4f7b304f SK |
2317 | else if (option == LOPT_AUTHTTL) |
2318 | daemon->auth_ttl = (unsigned long)ttl; | |
849a8357 SK |
2319 | else |
2320 | daemon->local_ttl = (unsigned long)ttl; | |
2321 | break; | |
2322 | } | |
2323 | ||
7622fc06 | 2324 | #ifdef HAVE_DHCP |
f2621c7f | 2325 | case 'X': /* --dhcp-lease-max */ |
849a8357 | 2326 | if (!atoi_check(arg, &daemon->dhcp_max)) |
c4a7f90e | 2327 | ret_err(gen_err); |
849a8357 | 2328 | break; |
7622fc06 | 2329 | #endif |
849a8357 | 2330 | |
7622fc06 | 2331 | #ifdef HAVE_TFTP |
f2621c7f | 2332 | case LOPT_TFTP_MAX: /* --tftp-max */ |
832af0ba | 2333 | if (!atoi_check(arg, &daemon->tftp_max)) |
c4a7f90e | 2334 | ret_err(gen_err); |
832af0ba SK |
2335 | break; |
2336 | ||
824af85b | 2337 | case LOPT_PREFIX: /* --tftp-prefix */ |
8ef5ada2 SK |
2338 | comma = split(arg); |
2339 | if (comma) | |
2340 | { | |
2341 | struct tftp_prefix *new = opt_malloc(sizeof(struct tftp_prefix)); | |
2342 | new->interface = opt_string_alloc(comma); | |
2343 | new->prefix = opt_string_alloc(arg); | |
2344 | new->next = daemon->if_prefix; | |
2345 | daemon->if_prefix = new; | |
2346 | } | |
2347 | else | |
2348 | daemon->tftp_prefix = opt_string_alloc(arg); | |
832af0ba SK |
2349 | break; |
2350 | ||
824af85b SK |
2351 | case LOPT_TFTPPORTS: /* --tftp-port-range */ |
2352 | if (!(comma = split(arg)) || | |
1ad24ae1 SK |
2353 | !atoi_check16(arg, &daemon->start_tftp_port) || |
2354 | !atoi_check16(comma, &daemon->end_tftp_port)) | |
c4a7f90e | 2355 | ret_err(_("bad port range")); |
824af85b SK |
2356 | |
2357 | if (daemon->start_tftp_port > daemon->end_tftp_port) | |
2358 | { | |
2359 | int tmp = daemon->start_tftp_port; | |
2360 | daemon->start_tftp_port = daemon->end_tftp_port; | |
2361 | daemon->end_tftp_port = tmp; | |
2362 | } | |
2363 | ||
2364 | break; | |
7622fc06 | 2365 | #endif |
824af85b | 2366 | |
f2621c7f | 2367 | case LOPT_BRIDGE: /* --bridge-interface */ |
832af0ba | 2368 | { |
824af85b | 2369 | struct dhcp_bridge *new = opt_malloc(sizeof(struct dhcp_bridge)); |
316e2730 | 2370 | if (!(comma = split(arg)) || strlen(arg) > IF_NAMESIZE - 1 ) |
c4a7f90e | 2371 | ret_err(_("bad bridge-interface")); |
832af0ba | 2372 | |
316e2730 | 2373 | strcpy(new->iface, arg); |
832af0ba SK |
2374 | new->alias = NULL; |
2375 | new->next = daemon->bridges; | |
2376 | daemon->bridges = new; | |
2377 | ||
2378 | do { | |
f2621c7f SK |
2379 | arg = comma; |
2380 | comma = split(arg); | |
316e2730 | 2381 | if (strlen(arg) != 0 && strlen(arg) <= IF_NAMESIZE - 1) |
832af0ba | 2382 | { |
824af85b | 2383 | struct dhcp_bridge *b = opt_malloc(sizeof(struct dhcp_bridge)); |
832af0ba SK |
2384 | b->next = new->alias; |
2385 | new->alias = b; | |
316e2730 | 2386 | strcpy(b->iface, arg); |
832af0ba SK |
2387 | } |
2388 | } while (comma); | |
2389 | ||
2390 | break; | |
2391 | } | |
832af0ba | 2392 | |
7622fc06 | 2393 | #ifdef HAVE_DHCP |
f2621c7f | 2394 | case 'F': /* --dhcp-range */ |
849a8357 SK |
2395 | { |
2396 | int k, leasepos = 2; | |
8445f5d2 | 2397 | char *cp, *a[8] = { NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL }; |
824af85b | 2398 | struct dhcp_context *new = opt_malloc(sizeof(struct dhcp_context)); |
849a8357 | 2399 | |
52b92f4d | 2400 | memset (new, 0, sizeof(*new)); |
849a8357 | 2401 | new->lease_time = DEFLEASE; |
52b92f4d | 2402 | |
849a8357 SK |
2403 | if (!arg) |
2404 | { | |
2405 | option = '?'; | |
2406 | break; | |
2407 | } | |
2408 | ||
2409 | while(1) | |
2410 | { | |
2411 | for (cp = arg; *cp; cp++) | |
52b92f4d SK |
2412 | if (!(*cp == ' ' || *cp == '.' || *cp == ':' || |
2413 | (*cp >= 'a' && *cp <= 'f') || (*cp >= 'A' && *cp <= 'F') || | |
2414 | (*cp >='0' && *cp <= '9'))) | |
849a8357 SK |
2415 | break; |
2416 | ||
f2621c7f | 2417 | if (*cp != ',' && (comma = split(arg))) |
849a8357 | 2418 | { |
8bc4cece | 2419 | if (is_tag_prefix(arg)) |
9e4abcb5 | 2420 | { |
824af85b SK |
2421 | struct dhcp_netid *tt = opt_malloc(sizeof (struct dhcp_netid)); |
2422 | tt->net = opt_string_alloc(arg+4); | |
849a8357 | 2423 | tt->next = new->filter; |
0c38719f SK |
2424 | /* ignore empty tag */ |
2425 | if (tt->net) | |
2426 | new->filter = tt; | |
9e4abcb5 SK |
2427 | } |
2428 | else | |
2429 | { | |
849a8357 | 2430 | if (new->netid.net) |
c4a7f90e | 2431 | ret_err(_("only one tag allowed")); |
8ef5ada2 SK |
2432 | else if (strstr(arg, "set:") == arg) |
2433 | new->netid.net = opt_string_alloc(arg+4); | |
9e4abcb5 | 2434 | else |
824af85b | 2435 | new->netid.net = opt_string_alloc(arg); |
9e4abcb5 | 2436 | } |
f2621c7f | 2437 | arg = comma; |
9e4abcb5 | 2438 | } |
849a8357 | 2439 | else |
9e4abcb5 | 2440 | { |
849a8357 | 2441 | a[0] = arg; |
9e4abcb5 SK |
2442 | break; |
2443 | } | |
849a8357 SK |
2444 | } |
2445 | ||
1f776932 | 2446 | for (k = 1; k < 8; k++) |
f2621c7f SK |
2447 | if (!(a[k] = split(a[k-1]))) |
2448 | break; | |
849a8357 | 2449 | |
52b92f4d | 2450 | if (k < 2) |
c4a7f90e SK |
2451 | ret_err(_("bad dhcp-range")); |
2452 | ||
2453 | if (inet_pton(AF_INET, a[0], &new->start)) | |
849a8357 | 2454 | { |
52b92f4d SK |
2455 | new->next = daemon->dhcp; |
2456 | daemon->dhcp = new; | |
30cd9666 | 2457 | new->end = new->start; |
52b92f4d | 2458 | if (strcmp(a[1], "static") == 0) |
30cd9666 | 2459 | new->flags |= CONTEXT_STATIC; |
52b92f4d | 2460 | else if (strcmp(a[1], "proxy") == 0) |
30cd9666 SK |
2461 | new->flags |= CONTEXT_PROXY; |
2462 | else if (!inet_pton(AF_INET, a[1], &new->end)) | |
c4a7f90e | 2463 | ret_err(_("bad dhcp-range")); |
52b92f4d SK |
2464 | |
2465 | if (ntohl(new->start.s_addr) > ntohl(new->end.s_addr)) | |
2466 | { | |
2467 | struct in_addr tmp = new->start; | |
2468 | new->start = new->end; | |
2469 | new->end = tmp; | |
2470 | } | |
2471 | ||
c4a7f90e | 2472 | if (k >= 3 && strchr(a[2], '.') && |
ddd9a6b4 | 2473 | (inet_pton(AF_INET, a[2], &new->netmask) > 0)) |
52b92f4d SK |
2474 | { |
2475 | new->flags |= CONTEXT_NETMASK; | |
2476 | leasepos = 3; | |
2477 | if (!is_same_net(new->start, new->end, new->netmask)) | |
c4a7f90e | 2478 | ret_err(_("inconsistent DHCP range")); |
52b92f4d SK |
2479 | } |
2480 | ||
2481 | if (k >= 4 && strchr(a[3], '.') && | |
ddd9a6b4 | 2482 | (inet_pton(AF_INET, a[3], &new->broadcast) > 0)) |
52b92f4d SK |
2483 | { |
2484 | new->flags |= CONTEXT_BRDCAST; | |
2485 | leasepos = 4; | |
2486 | } | |
849a8357 | 2487 | } |
52b92f4d SK |
2488 | #ifdef HAVE_DHCP6 |
2489 | else if (inet_pton(AF_INET6, a[0], &new->start6)) | |
849a8357 | 2490 | { |
89500e31 | 2491 | new->flags |= CONTEXT_V6; |
52b92f4d | 2492 | new->prefix = 64; /* default */ |
30cd9666 | 2493 | new->end6 = new->start6; |
6692a1a5 SK |
2494 | new->next = daemon->dhcp6; |
2495 | daemon->dhcp6 = new; | |
2496 | ||
30cd9666 | 2497 | for (leasepos = 1; leasepos < k; leasepos++) |
801ca9a7 | 2498 | { |
30cd9666 SK |
2499 | if (strcmp(a[leasepos], "static") == 0) |
2500 | new->flags |= CONTEXT_STATIC | CONTEXT_DHCP; | |
2501 | else if (strcmp(a[leasepos], "ra-only") == 0 || strcmp(a[leasepos], "slaac") == 0 ) | |
1f776932 | 2502 | new->flags |= CONTEXT_RA_ONLY | CONTEXT_RA; |
30cd9666 | 2503 | else if (strcmp(a[leasepos], "ra-names") == 0) |
1f776932 | 2504 | new->flags |= CONTEXT_RA_NAME | CONTEXT_RA; |
30cd9666 | 2505 | else if (strcmp(a[leasepos], "ra-stateless") == 0) |
1f776932 | 2506 | new->flags |= CONTEXT_RA_STATELESS | CONTEXT_DHCP | CONTEXT_RA; |
30cd9666 SK |
2507 | else if (leasepos == 1 && inet_pton(AF_INET6, a[leasepos], &new->end6)) |
2508 | new->flags |= CONTEXT_DHCP; | |
1f776932 SK |
2509 | else if (strstr(a[leasepos], "constructor:") == a[leasepos]) |
2510 | { | |
2511 | new->template_interface = opt_string_alloc(a[leasepos] + 12); | |
2512 | new->flags |= CONTEXT_TEMPLATE; | |
2513 | } | |
30cd9666 SK |
2514 | else |
2515 | break; | |
801ca9a7 | 2516 | } |
6692a1a5 | 2517 | |
52b92f4d | 2518 | /* bare integer < 128 is prefix value */ |
c4a7f90e | 2519 | if (leasepos < k) |
52b92f4d SK |
2520 | { |
2521 | int pref; | |
30cd9666 | 2522 | for (cp = a[leasepos]; *cp; cp++) |
52b92f4d SK |
2523 | if (!(*cp >= '0' && *cp <= '9')) |
2524 | break; | |
30cd9666 | 2525 | if (!*cp && (pref = atoi(a[leasepos])) <= 128) |
52b92f4d SK |
2526 | { |
2527 | new->prefix = pref; | |
30cd9666 | 2528 | leasepos++; |
52b92f4d SK |
2529 | } |
2530 | } | |
30cd9666 | 2531 | |
6692a1a5 SK |
2532 | if (new->prefix != 64) |
2533 | { | |
2534 | if ((new->flags & (CONTEXT_RA_ONLY | CONTEXT_RA_NAME | CONTEXT_RA_STATELESS))) | |
2535 | ret_err(_("prefix length must be exactly 64 for RA subnets")); | |
2536 | else if (new->flags & CONTEXT_TEMPLATE) | |
2537 | ret_err(_("prefix length must be exactly 64 for subnet constructors")); | |
2538 | } | |
2539 | ||
2540 | if (new->prefix < 64) | |
2541 | ret_err(_("prefix length must be at least 64")); | |
2542 | ||
c4a7f90e SK |
2543 | if (!is_same_net6(&new->start6, &new->end6, new->prefix)) |
2544 | ret_err(_("inconsistent DHCPv6 range")); | |
6692a1a5 SK |
2545 | |
2546 | /* dhcp-range=:: enables DHCP stateless on any interface */ | |
2547 | if (IN6_IS_ADDR_UNSPECIFIED(&new->start6) && !(new->flags & CONTEXT_TEMPLATE)) | |
2548 | new->prefix = 0; | |
66409193 SK |
2549 | |
2550 | if (new->flags & CONTEXT_TEMPLATE) | |
2551 | { | |
2552 | struct in6_addr zero; | |
2553 | memset(&zero, 0, sizeof(zero)); | |
2554 | if (!is_same_net6(&zero, &new->start6, new->prefix)) | |
2555 | ret_err(_("prefix must be zero with \"constructor:\" argument")); | |
2556 | } | |
2557 | ||
c4a7f90e | 2558 | if (addr6part(&new->start6) > addr6part(&new->end6)) |
52b92f4d SK |
2559 | { |
2560 | struct in6_addr tmp = new->start6; | |
2561 | new->start6 = new->end6; | |
2562 | new->end6 = tmp; | |
2563 | } | |
849a8357 | 2564 | } |
52b92f4d | 2565 | #endif |
d9ee9c08 SK |
2566 | else |
2567 | ret_err(_("bad dhcp-range")); | |
849a8357 | 2568 | |
30cd9666 | 2569 | if (leasepos < k) |
849a8357 SK |
2570 | { |
2571 | if (strcmp(a[leasepos], "infinite") == 0) | |
2572 | new->lease_time = 0xffffffff; | |
c8257540 SK |
2573 | else if (strcmp(a[leasepos], "deprecated") == 0) |
2574 | new->flags |= CONTEXT_DEPRECATE; | |
849a8357 | 2575 | else |
9e4abcb5 | 2576 | { |
849a8357 SK |
2577 | int fac = 1; |
2578 | if (strlen(a[leasepos]) > 0) | |
36717eee | 2579 | { |
849a8357 | 2580 | switch (a[leasepos][strlen(a[leasepos]) - 1]) |
36717eee | 2581 | { |
42243214 SK |
2582 | case 'w': |
2583 | case 'W': | |
2584 | fac *= 7; | |
2585 | /* fall through */ | |
849a8357 SK |
2586 | case 'd': |
2587 | case 'D': | |
2588 | fac *= 24; | |
2589 | /* fall though */ | |
2590 | case 'h': | |
2591 | case 'H': | |
2592 | fac *= 60; | |
2593 | /* fall through */ | |
2594 | case 'm': | |
2595 | case 'M': | |
2596 | fac *= 60; | |
2597 | /* fall through */ | |
2598 | case 's': | |
2599 | case 'S': | |
f2621c7f | 2600 | a[leasepos][strlen(a[leasepos]) - 1] = 0; |
9e4abcb5 | 2601 | } |
849a8357 | 2602 | |
be37986a SK |
2603 | for (cp = a[leasepos]; *cp; cp++) |
2604 | if (!(*cp >= '0' && *cp <= '9')) | |
2605 | break; | |
2606 | ||
54dae552 | 2607 | if (*cp || (leasepos+1 < k)) |
be37986a SK |
2608 | ret_err(_("bad dhcp-range")); |
2609 | ||
849a8357 SK |
2610 | new->lease_time = atoi(a[leasepos]) * fac; |
2611 | /* Leases of a minute or less confuse | |
2612 | some clients, notably Apple's */ | |
2613 | if (new->lease_time < 120) | |
2614 | new->lease_time = 120; | |
9e4abcb5 | 2615 | } |
9e4abcb5 | 2616 | } |
849a8357 SK |
2617 | } |
2618 | break; | |
2619 | } | |
5aabfc78 | 2620 | |
5aabfc78 | 2621 | case LOPT_BANK: |
f2621c7f | 2622 | case 'G': /* --dhcp-host */ |
849a8357 | 2623 | { |
f2621c7f | 2624 | int j, k = 0; |
3e8ed78b | 2625 | char *a[7] = { NULL, NULL, NULL, NULL, NULL, NULL, NULL }; |
5aabfc78 | 2626 | struct dhcp_config *new; |
849a8357 SK |
2627 | struct in_addr in; |
2628 | ||
824af85b SK |
2629 | new = opt_malloc(sizeof(struct dhcp_config)); |
2630 | ||
849a8357 | 2631 | new->next = daemon->dhcp_conf; |
9009d746 SK |
2632 | new->flags = (option == LOPT_BANK) ? CONFIG_BANK : 0; |
2633 | new->hwaddr = NULL; | |
8ef5ada2 SK |
2634 | new->netid = NULL; |
2635 | ||
849a8357 | 2636 | if ((a[0] = arg)) |
3e8ed78b | 2637 | for (k = 1; k < 7; k++) |
f2621c7f SK |
2638 | if (!(a[k] = split(a[k-1]))) |
2639 | break; | |
849a8357 SK |
2640 | |
2641 | for (j = 0; j < k; j++) | |
2642 | if (strchr(a[j], ':')) /* ethernet address, netid or binary CLID */ | |
2643 | { | |
2644 | char *arg = a[j]; | |
2645 | ||
2646 | if ((arg[0] == 'i' || arg[0] == 'I') && | |
2647 | (arg[1] == 'd' || arg[1] == 'D') && | |
2648 | arg[2] == ':') | |
2649 | { | |
2650 | if (arg[3] == '*') | |
2651 | new->flags |= CONFIG_NOCLID; | |
2652 | else | |
3d8df260 | 2653 | { |
849a8357 SK |
2654 | int len; |
2655 | arg += 3; /* dump id: */ | |
2656 | if (strchr(arg, ':')) | |
2657 | len = parse_hex(arg, (unsigned char *)arg, -1, NULL, NULL); | |
2658 | else | |
5aabfc78 SK |
2659 | { |
2660 | unhide_metas(arg); | |
2661 | len = (int) strlen(arg); | |
2662 | } | |
2663 | ||
28866e95 | 2664 | if (len == -1) |
9f7f3b12 | 2665 | |
c4a7f90e | 2666 | ret_err(_("bad hex constant")); |
28866e95 | 2667 | else if ((new->clid = opt_malloc(len))) |
5aabfc78 SK |
2668 | { |
2669 | new->flags |= CONFIG_CLID; | |
2670 | new->clid_len = len; | |
2671 | memcpy(new->clid, arg, len); | |
2672 | } | |
3d8df260 | 2673 | } |
849a8357 | 2674 | } |
8ef5ada2 SK |
2675 | /* dhcp-host has strange backwards-compat needs. */ |
2676 | else if (strstr(arg, "net:") == arg || strstr(arg, "set:") == arg) | |
849a8357 | 2677 | { |
8ef5ada2 SK |
2678 | struct dhcp_netid *newtag = opt_malloc(sizeof(struct dhcp_netid)); |
2679 | struct dhcp_netid_list *newlist = opt_malloc(sizeof(struct dhcp_netid_list)); | |
2680 | newtag->net = opt_malloc(strlen(arg + 4) + 1); | |
2681 | newlist->next = new->netid; | |
2682 | new->netid = newlist; | |
2683 | newlist->list = newtag; | |
2684 | strcpy(newtag->net, arg+4); | |
2685 | unhide_metas(newtag->net); | |
849a8357 | 2686 | } |
7de060b0 | 2687 | else if (strstr(arg, "tag:") == arg) |
c4a7f90e | 2688 | ret_err(_("cannot match tags in --dhcp-host")); |
4cb1b320 SK |
2689 | #ifdef HAVE_DHCP6 |
2690 | else if (arg[0] == '[' && arg[strlen(arg)-1] == ']') | |
2691 | { | |
2692 | arg[strlen(arg)-1] = 0; | |
2693 | arg++; | |
2694 | ||
2695 | if (!inet_pton(AF_INET6, arg, &new->addr6)) | |
c4a7f90e | 2696 | ret_err(_("bad IPv6 address")); |
30393100 SK |
2697 | |
2698 | for (i= 0; i < 8; i++) | |
2699 | if (new->addr6.s6_addr[i] != 0) | |
2700 | break; | |
2701 | ||
2702 | /* set WILDCARD if network part all zeros */ | |
2703 | if (i == 8) | |
2704 | new->flags |= CONFIG_WILDCARD; | |
4cb1b320 SK |
2705 | |
2706 | new->flags |= CONFIG_ADDR6; | |
2707 | } | |
2708 | #endif | |
7de060b0 | 2709 | else |
849a8357 | 2710 | { |
9009d746 | 2711 | struct hwaddr_config *newhw = opt_malloc(sizeof(struct hwaddr_config)); |
28866e95 SK |
2712 | if ((newhw->hwaddr_len = parse_hex(a[j], newhw->hwaddr, DHCP_CHADDR_MAX, |
2713 | &newhw->wildcard_mask, &newhw->hwaddr_type)) == -1) | |
c4a7f90e | 2714 | ret_err(_("bad hex constant")); |
28866e95 SK |
2715 | else |
2716 | { | |
2717 | ||
2718 | newhw->next = new->hwaddr; | |
2719 | new->hwaddr = newhw; | |
2720 | } | |
849a8357 SK |
2721 | } |
2722 | } | |
ddd9a6b4 | 2723 | else if (strchr(a[j], '.') && (inet_pton(AF_INET, a[j], &in) > 0)) |
849a8357 | 2724 | { |
c4a7f90e SK |
2725 | struct dhcp_config *configs; |
2726 | ||
849a8357 SK |
2727 | new->addr = in; |
2728 | new->flags |= CONFIG_ADDR; | |
c4a7f90e SK |
2729 | |
2730 | /* If the same IP appears in more than one host config, then DISCOVER | |
2731 | for one of the hosts will get the address, but REQUEST will be NAKed, | |
2732 | since the address is reserved by the other one -> protocol loop. */ | |
2733 | for (configs = daemon->dhcp_conf; configs; configs = configs->next) | |
2734 | if ((configs->flags & CONFIG_ADDR) && configs->addr.s_addr == in.s_addr) | |
2735 | { | |
2736 | sprintf(errstr, _("duplicate dhcp-host IP address %s"), inet_ntoa(in)); | |
2737 | return 0; | |
2738 | } | |
849a8357 SK |
2739 | } |
2740 | else | |
2741 | { | |
2742 | char *cp, *lastp = NULL, last = 0; | |
76ff440e | 2743 | int fac = 1, isdig = 0; |
849a8357 SK |
2744 | |
2745 | if (strlen(a[j]) > 1) | |
2746 | { | |
2747 | lastp = a[j] + strlen(a[j]) - 1; | |
2748 | last = *lastp; | |
2749 | switch (last) | |
9e4abcb5 | 2750 | { |
42243214 SK |
2751 | case 'w': |
2752 | case 'W': | |
2753 | fac *= 7; | |
2754 | /* fall through */ | |
849a8357 SK |
2755 | case 'd': |
2756 | case 'D': | |
2757 | fac *= 24; | |
2758 | /* fall through */ | |
2759 | case 'h': | |
2760 | case 'H': | |
2761 | fac *= 60; | |
2762 | /* fall through */ | |
2763 | case 'm': | |
2764 | case 'M': | |
2765 | fac *= 60; | |
2766 | /* fall through */ | |
2767 | case 's': | |
2768 | case 'S': | |
2769 | *lastp = 0; | |
9e4abcb5 | 2770 | } |
849a8357 SK |
2771 | } |
2772 | ||
2773 | for (cp = a[j]; *cp; cp++) | |
76ff440e SK |
2774 | if (isdigit((unsigned char)*cp)) |
2775 | isdig = 1; | |
2776 | else if (*cp != ' ') | |
849a8357 | 2777 | break; |
76ff440e | 2778 | |
849a8357 SK |
2779 | if (*cp) |
2780 | { | |
2781 | if (lastp) | |
2782 | *lastp = last; | |
2783 | if (strcmp(a[j], "infinite") == 0) | |
33820b7e | 2784 | { |
849a8357 SK |
2785 | new->lease_time = 0xffffffff; |
2786 | new->flags |= CONFIG_TIME; | |
33820b7e | 2787 | } |
849a8357 SK |
2788 | else if (strcmp(a[j], "ignore") == 0) |
2789 | new->flags |= CONFIG_DISABLE; | |
9e4abcb5 SK |
2790 | else |
2791 | { | |
1f15b81d SK |
2792 | if (!(new->hostname = canonicalise_opt(a[j])) || |
2793 | !legal_hostname(new->hostname)) | |
c4a7f90e SK |
2794 | ret_err(_("bad DHCP host name")); |
2795 | ||
2796 | new->flags |= CONFIG_NAME; | |
2797 | new->domain = strip_hostname(new->hostname); | |
9e4abcb5 | 2798 | } |
849a8357 | 2799 | } |
76ff440e | 2800 | else if (isdig) |
849a8357 SK |
2801 | { |
2802 | new->lease_time = atoi(a[j]) * fac; | |
2803 | /* Leases of a minute or less confuse | |
2804 | some clients, notably Apple's */ | |
2805 | if (new->lease_time < 120) | |
2806 | new->lease_time = 120; | |
2807 | new->flags |= CONFIG_TIME; | |
2808 | } | |
2809 | } | |
2810 | ||
5aabfc78 | 2811 | daemon->dhcp_conf = new; |
849a8357 SK |
2812 | break; |
2813 | } | |
8ef5ada2 SK |
2814 | |
2815 | case LOPT_TAG_IF: /* --tag-if */ | |
2816 | { | |
2817 | struct tag_if *new = opt_malloc(sizeof(struct tag_if)); | |
2818 | ||
2819 | new->tag = NULL; | |
2820 | new->set = NULL; | |
2821 | new->next = NULL; | |
2822 | ||
2823 | /* preserve order */ | |
2824 | if (!daemon->tag_if) | |
2825 | daemon->tag_if = new; | |
2826 | else | |
2827 | { | |
2828 | struct tag_if *tmp; | |
2829 | for (tmp = daemon->tag_if; tmp->next; tmp = tmp->next); | |
2830 | tmp->next = new; | |
2831 | } | |
2832 | ||
2833 | while (arg) | |
2834 | { | |
2835 | size_t len; | |
2836 | ||
2837 | comma = split(arg); | |
2838 | len = strlen(arg); | |
2839 | ||
2840 | if (len < 5) | |
2841 | { | |
2842 | new->set = NULL; | |
2843 | break; | |
2844 | } | |
2845 | else | |
2846 | { | |
2847 | struct dhcp_netid *newtag = opt_malloc(sizeof(struct dhcp_netid)); | |
2848 | newtag->net = opt_malloc(len - 3); | |
2849 | strcpy(newtag->net, arg+4); | |
2850 | unhide_metas(newtag->net); | |
2851 | ||
2852 | if (strstr(arg, "set:") == arg) | |
2853 | { | |
2854 | struct dhcp_netid_list *newlist = opt_malloc(sizeof(struct dhcp_netid_list)); | |
2855 | newlist->next = new->set; | |
2856 | new->set = newlist; | |
2857 | newlist->list = newtag; | |
2858 | } | |
2859 | else if (strstr(arg, "tag:") == arg) | |
2860 | { | |
2861 | newtag->next = new->tag; | |
2862 | new->tag = newtag; | |
2863 | } | |
2864 | else | |
2865 | { | |
2866 | new->set = NULL; | |
4dc9c657 | 2867 | free(newtag); |
8ef5ada2 SK |
2868 | break; |
2869 | } | |
2870 | } | |
2871 | ||
2872 | arg = comma; | |
2873 | } | |
2874 | ||
2875 | if (!new->set) | |
c4a7f90e | 2876 | ret_err(_("bad tag-if")); |
8ef5ada2 SK |
2877 | |
2878 | break; | |
2879 | } | |
2880 | ||
849a8357 | 2881 | |
73a08a24 SK |
2882 | case 'O': /* --dhcp-option */ |
2883 | case LOPT_FORCE: /* --dhcp-option-force */ | |
824af85b | 2884 | case LOPT_OPTS: |
73a08a24 | 2885 | case LOPT_MATCH: /* --dhcp-match */ |
c4a7f90e SK |
2886 | return parse_dhcp_opt(errstr, arg, |
2887 | option == LOPT_FORCE ? DHOPT_FORCE : | |
2888 | (option == LOPT_MATCH ? DHOPT_MATCH : | |
2889 | (option == LOPT_OPTS ? DHOPT_BANK : 0))); | |
2890 | ||
f2621c7f | 2891 | case 'M': /* --dhcp-boot */ |
849a8357 SK |
2892 | { |
2893 | struct dhcp_netid *id = NULL; | |
8ef5ada2 | 2894 | while (is_tag_prefix(arg)) |
849a8357 | 2895 | { |
824af85b | 2896 | struct dhcp_netid *newid = opt_malloc(sizeof(struct dhcp_netid)); |
849a8357 SK |
2897 | newid->next = id; |
2898 | id = newid; | |
f2621c7f | 2899 | comma = split(arg); |
824af85b | 2900 | newid->net = opt_string_alloc(arg+4); |
849a8357 SK |
2901 | arg = comma; |
2902 | }; | |
2903 | ||
2904 | if (!arg) | |
c4a7f90e | 2905 | ret_err(gen_err); |
849a8357 SK |
2906 | else |
2907 | { | |
7de060b0 | 2908 | char *dhcp_file, *dhcp_sname = NULL, *tftp_sname = NULL; |
849a8357 | 2909 | struct in_addr dhcp_next_server; |
c4a7f90e | 2910 | struct dhcp_boot *new; |
f2621c7f | 2911 | comma = split(arg); |
824af85b | 2912 | dhcp_file = opt_string_alloc(arg); |
849a8357 SK |
2913 | dhcp_next_server.s_addr = 0; |
2914 | if (comma) | |
a84fa1d0 | 2915 | { |
849a8357 | 2916 | arg = comma; |
f2621c7f | 2917 | comma = split(arg); |
824af85b | 2918 | dhcp_sname = opt_string_alloc(arg); |
849a8357 | 2919 | if (comma) |
a84fa1d0 | 2920 | { |
849a8357 | 2921 | unhide_metas(comma); |
ddd9a6b4 SK |
2922 | if (!(inet_pton(AF_INET, comma, &dhcp_next_server) > 0)) |
2923 | { | |
2924 | /* | |
2925 | * The user may have specified the tftp hostname here. | |
2926 | * save it so that it can be resolved/looked up during | |
2927 | * actual dhcp_reply(). | |
2928 | */ | |
2929 | ||
2930 | tftp_sname = opt_string_alloc(comma); | |
2931 | dhcp_next_server.s_addr = 0; | |
2932 | } | |
a84fa1d0 | 2933 | } |
a84fa1d0 | 2934 | } |
c4a7f90e SK |
2935 | |
2936 | new = opt_malloc(sizeof(struct dhcp_boot)); | |
2937 | new->file = dhcp_file; | |
2938 | new->sname = dhcp_sname; | |
2939 | new->tftp_sname = tftp_sname; | |
2940 | new->next_server = dhcp_next_server; | |
2941 | new->netid = id; | |
2942 | new->next = daemon->boot_config; | |
2943 | daemon->boot_config = new; | |
849a8357 | 2944 | } |
ddd9a6b4 | 2945 | |
849a8357 SK |
2946 | break; |
2947 | } | |
7622fc06 SK |
2948 | |
2949 | case LOPT_PXE_PROMT: /* --pxe-prompt */ | |
2950 | { | |
2951 | struct dhcp_opt *new = opt_malloc(sizeof(struct dhcp_opt)); | |
2952 | int timeout; | |
2953 | ||
2954 | new->netid = NULL; | |
2955 | new->opt = 10; /* PXE_MENU_PROMPT */ | |
2956 | ||
8ef5ada2 SK |
2957 | while (is_tag_prefix(arg)) |
2958 | { | |
7622fc06 SK |
2959 | struct dhcp_netid *nn = opt_malloc(sizeof (struct dhcp_netid)); |
2960 | comma = split(arg); | |
2961 | nn->next = new->netid; | |
2962 | new->netid = nn; | |
2963 | nn->net = opt_string_alloc(arg+4); | |
2964 | arg = comma; | |
2965 | } | |
2966 | ||
2967 | if (!arg) | |
c4a7f90e | 2968 | ret_err(gen_err); |
7622fc06 SK |
2969 | else |
2970 | { | |
2971 | comma = split(arg); | |
2972 | unhide_metas(arg); | |
2973 | new->len = strlen(arg) + 1; | |
2974 | new->val = opt_malloc(new->len); | |
2975 | memcpy(new->val + 1, arg, new->len - 1); | |
2976 | ||
2977 | new->u.vendor_class = (unsigned char *)"PXEClient"; | |
2978 | new->flags = DHOPT_VENDOR; | |
2979 | ||
2980 | if (comma && atoi_check(comma, &timeout)) | |
2981 | *(new->val) = timeout; | |
2982 | else | |
2983 | *(new->val) = 255; | |
2984 | ||
2985 | new->next = daemon->dhcp_opts; | |
2986 | daemon->dhcp_opts = new; | |
1f15b81d | 2987 | daemon->enable_pxe = 1; |
7622fc06 SK |
2988 | } |
2989 | ||
2990 | break; | |
2991 | } | |
2992 | ||
2993 | case LOPT_PXE_SERV: /* --pxe-service */ | |
2994 | { | |
2995 | struct pxe_service *new = opt_malloc(sizeof(struct pxe_service)); | |
2996 | char *CSA[] = { "x86PC", "PC98", "IA64_EFI", "Alpha", "Arc_x86", "Intel_Lean_Client", | |
2997 | "IA32_EFI", "BC_EFI", "Xscale_EFI", "x86-64_EFI", NULL }; | |
2998 | static int boottype = 32768; | |
2999 | ||
3000 | new->netid = NULL; | |
751d6f4a | 3001 | new->sname = NULL; |
7622fc06 SK |
3002 | new->server.s_addr = 0; |
3003 | ||
8ef5ada2 | 3004 | while (is_tag_prefix(arg)) |
7622fc06 SK |
3005 | { |
3006 | struct dhcp_netid *nn = opt_malloc(sizeof (struct dhcp_netid)); | |
3007 | comma = split(arg); | |
3008 | nn->next = new->netid; | |
3009 | new->netid = nn; | |
3010 | nn->net = opt_string_alloc(arg+4); | |
3011 | arg = comma; | |
3012 | } | |
3013 | ||
3014 | if (arg && (comma = split(arg))) | |
3015 | { | |
3016 | for (i = 0; CSA[i]; i++) | |
3017 | if (strcasecmp(CSA[i], arg) == 0) | |
3018 | break; | |
3019 | ||
3020 | if (CSA[i] || atoi_check(arg, &i)) | |
3021 | { | |
3022 | arg = comma; | |
3023 | comma = split(arg); | |
3024 | ||
3025 | new->CSA = i; | |
3026 | new->menu = opt_string_alloc(arg); | |
3027 | ||
316e2730 SK |
3028 | if (!comma) |
3029 | { | |
3030 | new->type = 0; /* local boot */ | |
3031 | new->basename = NULL; | |
3032 | } | |
3033 | else | |
7622fc06 SK |
3034 | { |
3035 | arg = comma; | |
3036 | comma = split(arg); | |
3037 | if (atoi_check(arg, &i)) | |
3038 | { | |
3039 | new->type = i; | |
3040 | new->basename = NULL; | |
3041 | } | |
3042 | else | |
3043 | { | |
3044 | new->type = boottype++; | |
3045 | new->basename = opt_string_alloc(arg); | |
3046 | } | |
3047 | ||
751d6f4a SK |
3048 | if (comma) |
3049 | { | |
3050 | if (!inet_pton(AF_INET, comma, &new->server)) | |
3051 | { | |
3052 | new->server.s_addr = 0; | |
3053 | new->sname = opt_string_alloc(comma); | |
3054 | } | |
3055 | ||
3056 | } | |
7622fc06 | 3057 | } |
751d6f4a | 3058 | |
316e2730 SK |
3059 | /* Order matters */ |
3060 | new->next = NULL; | |
3061 | if (!daemon->pxe_services) | |
3062 | daemon->pxe_services = new; | |
3063 | else | |
3064 | { | |
3065 | struct pxe_service *s; | |
3066 | for (s = daemon->pxe_services; s->next; s = s->next); | |
3067 | s->next = new; | |
3068 | } | |
3069 | ||
3070 | daemon->enable_pxe = 1; | |
3071 | break; | |
3072 | ||
7622fc06 SK |
3073 | } |
3074 | } | |
3075 | ||
c4a7f90e | 3076 | ret_err(gen_err); |
7622fc06 SK |
3077 | } |
3078 | ||
f2621c7f | 3079 | case '4': /* --dhcp-mac */ |
849a8357 | 3080 | { |
f2621c7f | 3081 | if (!(comma = split(arg))) |
c4a7f90e | 3082 | ret_err(gen_err); |
849a8357 SK |
3083 | else |
3084 | { | |
824af85b | 3085 | struct dhcp_mac *new = opt_malloc(sizeof(struct dhcp_mac)); |
8ef5ada2 | 3086 | new->netid.net = opt_string_alloc(set_prefix(arg)); |
f2621c7f SK |
3087 | unhide_metas(comma); |
3088 | new->hwaddr_len = parse_hex(comma, new->hwaddr, DHCP_CHADDR_MAX, &new->mask, &new->hwaddr_type); | |
28866e95 | 3089 | if (new->hwaddr_len == -1) |
c4a7f90e | 3090 | ret_err(gen_err); |
28866e95 SK |
3091 | else |
3092 | { | |
3093 | new->next = daemon->dhcp_macs; | |
3094 | daemon->dhcp_macs = new; | |
3095 | } | |
849a8357 SK |
3096 | } |
3097 | } | |
3098 | break; | |
c630924d SK |
3099 | |
3100 | #ifdef OPTION6_PREFIX_CLASS | |
3101 | case LOPT_PREF_CLSS: /* --dhcp-prefix-class */ | |
3102 | { | |
3103 | struct prefix_class *new = opt_malloc(sizeof(struct prefix_class)); | |
3104 | ||
3105 | if (!(comma = split(arg)) || | |
3106 | !atoi_check16(comma, &new->class)) | |
3107 | ret_err(gen_err); | |
3108 | ||
3109 | new->tag.net = opt_string_alloc(set_prefix(arg)); | |
3110 | new->next = daemon->prefix_classes; | |
3111 | daemon->prefix_classes = new; | |
3112 | ||
3113 | break; | |
3114 | } | |
3115 | #endif | |
3116 | ||
3117 | ||
f2621c7f SK |
3118 | case 'U': /* --dhcp-vendorclass */ |
3119 | case 'j': /* --dhcp-userclass */ | |
3120 | case LOPT_CIRCUIT: /* --dhcp-circuitid */ | |
3121 | case LOPT_REMOTE: /* --dhcp-remoteid */ | |
3122 | case LOPT_SUBSCR: /* --dhcp-subscrid */ | |
849a8357 | 3123 | { |
c4a7f90e SK |
3124 | unsigned char *p; |
3125 | int dig = 0; | |
3126 | struct dhcp_vendor *new = opt_malloc(sizeof(struct dhcp_vendor)); | |
3127 | ||
3128 | if (!(comma = split(arg))) | |
3129 | ret_err(gen_err); | |
3130 | ||
3131 | new->netid.net = opt_string_alloc(set_prefix(arg)); | |
3132 | /* check for hex string - must digits may include : must not have nothing else, | |
3133 | only allowed for agent-options. */ | |
3134 | ||
3135 | arg = comma; | |
3136 | if ((comma = split(arg))) | |
3137 | { | |
3138 | if (option != 'U' || strstr(arg, "enterprise:") != arg) | |
3139 | ret_err(gen_err); | |
3140 | else | |
3141 | new->enterprise = atoi(arg+11); | |
3142 | } | |
3143 | else | |
3144 | comma = arg; | |
3145 | ||
3146 | for (p = (unsigned char *)comma; *p; p++) | |
3147 | if (isxdigit(*p)) | |
3148 | dig = 1; | |
3149 | else if (*p != ':') | |
3150 | break; | |
3151 | unhide_metas(comma); | |
3152 | if (option == 'U' || option == 'j' || *p || !dig) | |
3153 | { | |
3154 | new->len = strlen(comma); | |
3155 | new->data = opt_malloc(new->len); | |
3156 | memcpy(new->data, comma, new->len); | |
3157 | } | |
3158 | else | |
3159 | { | |
3160 | new->len = parse_hex(comma, (unsigned char *)comma, strlen(comma), NULL, NULL); | |
3161 | new->data = opt_malloc(new->len); | |
3162 | memcpy(new->data, comma, new->len); | |
3163 | } | |
3164 | ||
3165 | switch (option) | |
3166 | { | |
3167 | case 'j': | |
3168 | new->match_type = MATCH_USER; | |
3169 | break; | |
3170 | case 'U': | |
3171 | new->match_type = MATCH_VENDOR; | |
3172 | break; | |
3173 | case LOPT_CIRCUIT: | |
3174 | new->match_type = MATCH_CIRCUIT; | |
3175 | break; | |
3176 | case LOPT_REMOTE: | |
3177 | new->match_type = MATCH_REMOTE; | |
3178 | break; | |
3179 | case LOPT_SUBSCR: | |
3180 | new->match_type = MATCH_SUBSCRIBER; | |
3181 | break; | |
3182 | } | |
3183 | new->next = daemon->dhcp_vendors; | |
3184 | daemon->dhcp_vendors = new; | |
824af85b | 3185 | |
c4a7f90e | 3186 | break; |
849a8357 SK |
3187 | } |
3188 | ||
9e038946 SK |
3189 | case LOPT_ALTPORT: /* --dhcp-alternate-port */ |
3190 | if (!arg) | |
3191 | { | |
3192 | daemon->dhcp_server_port = DHCP_SERVER_ALTPORT; | |
3193 | daemon->dhcp_client_port = DHCP_CLIENT_ALTPORT; | |
3194 | } | |
3195 | else | |
3196 | { | |
3197 | comma = split(arg); | |
1ad24ae1 SK |
3198 | if (!atoi_check16(arg, &daemon->dhcp_server_port) || |
3199 | (comma && !atoi_check16(comma, &daemon->dhcp_client_port))) | |
c4a7f90e | 3200 | ret_err(_("invalid port number")); |
9e038946 SK |
3201 | if (!comma) |
3202 | daemon->dhcp_client_port = daemon->dhcp_server_port+1; | |
3203 | } | |
3204 | break; | |
3205 | ||
824af85b SK |
3206 | case 'J': /* --dhcp-ignore */ |
3207 | case LOPT_NO_NAMES: /* --dhcp-ignore-names */ | |
3208 | case LOPT_BROADCAST: /* --dhcp-broadcast */ | |
8ef5ada2 SK |
3209 | case '3': /* --bootp-dynamic */ |
3210 | case LOPT_GEN_NAMES: /* --dhcp-generate-names */ | |
849a8357 | 3211 | { |
824af85b | 3212 | struct dhcp_netid_list *new = opt_malloc(sizeof(struct dhcp_netid_list)); |
849a8357 | 3213 | struct dhcp_netid *list = NULL; |
832af0ba SK |
3214 | if (option == 'J') |
3215 | { | |
3216 | new->next = daemon->dhcp_ignore; | |
3217 | daemon->dhcp_ignore = new; | |
3218 | } | |
824af85b SK |
3219 | else if (option == LOPT_BROADCAST) |
3220 | { | |
3221 | new->next = daemon->force_broadcast; | |
3222 | daemon->force_broadcast = new; | |
3223 | } | |
9009d746 SK |
3224 | else if (option == '3') |
3225 | { | |
3226 | new->next = daemon->bootp_dynamic; | |
3227 | daemon->bootp_dynamic = new; | |
3228 | } | |
8ef5ada2 SK |
3229 | else if (option == LOPT_GEN_NAMES) |
3230 | { | |
3231 | new->next = daemon->dhcp_gen_names; | |
3232 | daemon->dhcp_gen_names = new; | |
3233 | } | |
832af0ba SK |
3234 | else |
3235 | { | |
3236 | new->next = daemon->dhcp_ignore_names; | |
3237 | daemon->dhcp_ignore_names = new; | |
3238 | } | |
3239 | ||
3240 | while (arg) { | |
824af85b | 3241 | struct dhcp_netid *member = opt_malloc(sizeof(struct dhcp_netid)); |
f2621c7f | 3242 | comma = split(arg); |
849a8357 SK |
3243 | member->next = list; |
3244 | list = member; | |
8ef5ada2 | 3245 | if (is_tag_prefix(arg)) |
9009d746 SK |
3246 | member->net = opt_string_alloc(arg+4); |
3247 | else | |
3248 | member->net = opt_string_alloc(arg); | |
849a8357 | 3249 | arg = comma; |
832af0ba | 3250 | } |
849a8357 SK |
3251 | |
3252 | new->list = list; | |
3253 | break; | |
3254 | } | |
8ef5ada2 SK |
3255 | |
3256 | case LOPT_PROXY: /* --dhcp-proxy */ | |
3257 | daemon->override = 1; | |
3258 | while (arg) { | |
3259 | struct addr_list *new = opt_malloc(sizeof(struct addr_list)); | |
3260 | comma = split(arg); | |
ddd9a6b4 | 3261 | if (!(inet_pton(AF_INET, arg, &new->addr) > 0)) |
c4a7f90e | 3262 | ret_err(_("bad dhcp-proxy address")); |
8ef5ada2 SK |
3263 | new->next = daemon->override_relays; |
3264 | daemon->override_relays = new; | |
3265 | arg = comma; | |
3266 | } | |
3267 | break; | |
ff7eea27 SK |
3268 | |
3269 | case LOPT_RELAY: /* --dhcp-relay */ | |
3270 | { | |
3271 | struct dhcp_relay *new = opt_malloc(sizeof(struct dhcp_relay)); | |
3272 | comma = split(arg); | |
3273 | new->interface = opt_string_alloc(split(comma)); | |
3274 | new->iface_index = 0; | |
3275 | if (inet_pton(AF_INET, arg, &new->local) && inet_pton(AF_INET, comma, &new->server)) | |
3276 | { | |
3277 | new->next = daemon->relay4; | |
3278 | daemon->relay4 = new; | |
3279 | } | |
3280 | #ifdef HAVE_DHCP6 | |
3281 | else if (inet_pton(AF_INET6, arg, &new->local) && inet_pton(AF_INET6, comma, &new->server)) | |
3282 | { | |
3283 | new->next = daemon->relay6; | |
3284 | daemon->relay6 = new; | |
3285 | } | |
3286 | #endif | |
3287 | else | |
3288 | ret_err(_("Bad dhcp-relay")); | |
3289 | ||
3290 | break; | |
3291 | } | |
3292 | ||
7622fc06 | 3293 | #endif |
849a8357 | 3294 | |
8b372704 | 3295 | #ifdef HAVE_DHCP6 |
c4cd95df SK |
3296 | case LOPT_RA_PARAM: /* --ra-param */ |
3297 | if ((comma = split(arg))) | |
3298 | { | |
3299 | struct ra_interface *new = opt_malloc(sizeof(struct ra_interface)); | |
3300 | new->lifetime = -1; | |
3301 | new->prio = 0; | |
3302 | new->name = opt_string_alloc(arg); | |
3303 | if (strcasestr(comma, "high") == comma || strcasestr(comma, "low") == comma) | |
3304 | { | |
3305 | if (*comma == 'l' || *comma == 'L') | |
3306 | new->prio = 0x18; | |
3307 | else | |
3308 | new->prio = 0x08; | |
3309 | comma = split(comma); | |
3310 | } | |
3311 | arg = split(comma); | |
3312 | if (!atoi_check(comma, &new->interval) || | |
3313 | (arg && !atoi_check(arg, &new->lifetime))) | |
3314 | ret_err(_("bad RA-params")); | |
3315 | ||
3316 | new->next = daemon->ra_interfaces; | |
3317 | daemon->ra_interfaces = new; | |
3318 | } | |
3319 | break; | |
3320 | ||
8b372704 SK |
3321 | case LOPT_DUID: /* --dhcp-duid */ |
3322 | if (!(comma = split(arg)) || !atoi_check(arg, (int *)&daemon->duid_enterprise)) | |
c4a7f90e | 3323 | ret_err(_("bad DUID")); |
8b372704 SK |
3324 | else |
3325 | { | |
3326 | daemon->duid_config_len = parse_hex(comma,(unsigned char *)comma, strlen(comma), NULL, NULL); | |
3327 | daemon->duid_config = opt_malloc(daemon->duid_config_len); | |
3328 | memcpy(daemon->duid_config, comma, daemon->duid_config_len); | |
3329 | } | |
3330 | break; | |
3331 | #endif | |
3332 | ||
f2621c7f | 3333 | case 'V': /* --alias */ |
849a8357 | 3334 | { |
73a08a24 | 3335 | char *dash, *a[3] = { NULL, NULL, NULL }; |
f2621c7f | 3336 | int k = 0; |
73a08a24 SK |
3337 | struct doctor *new = opt_malloc(sizeof(struct doctor)); |
3338 | new->next = daemon->doctors; | |
3339 | daemon->doctors = new; | |
3340 | new->mask.s_addr = 0xffffffff; | |
3341 | new->end.s_addr = 0; | |
3342 | ||
849a8357 SK |
3343 | if ((a[0] = arg)) |
3344 | for (k = 1; k < 3; k++) | |
3345 | { | |
f2621c7f | 3346 | if (!(a[k] = split(a[k-1]))) |
849a8357 | 3347 | break; |
849a8357 SK |
3348 | unhide_metas(a[k]); |
3349 | } | |
849a8357 | 3350 | |
73a08a24 SK |
3351 | dash = split_chr(a[0], '-'); |
3352 | ||
849a8357 | 3353 | if ((k < 2) || |
ddd9a6b4 SK |
3354 | (!(inet_pton(AF_INET, a[0], &new->in) > 0)) || |
3355 | (!(inet_pton(AF_INET, a[1], &new->out) > 0))) | |
73a08a24 | 3356 | option = '?'; |
849a8357 SK |
3357 | |
3358 | if (k == 3) | |
ddd9a6b4 | 3359 | inet_pton(AF_INET, a[2], &new->mask); |
849a8357 | 3360 | |
73a08a24 | 3361 | if (dash && |
ddd9a6b4 | 3362 | (!(inet_pton(AF_INET, dash, &new->end) > 0) || |
73a08a24 SK |
3363 | !is_same_net(new->in, new->end, new->mask) || |
3364 | ntohl(new->in.s_addr) > ntohl(new->end.s_addr))) | |
c4a7f90e | 3365 | ret_err(_("invalid alias range")); |
849a8357 SK |
3366 | |
3367 | break; | |
3368 | } | |
3369 | ||
f2621c7f | 3370 | case LOPT_INTNAME: /* --interface-name */ |
832af0ba | 3371 | { |
f2621c7f | 3372 | struct interface_name *new, **up; |
1f15b81d SK |
3373 | char *domain = NULL; |
3374 | ||
f2621c7f SK |
3375 | comma = split(arg); |
3376 | ||
1f15b81d | 3377 | if (!comma || !(domain = canonicalise_opt(arg))) |
c4a7f90e | 3378 | ret_err(_("bad interface name")); |
1f15b81d | 3379 | |
824af85b | 3380 | new = opt_malloc(sizeof(struct interface_name)); |
f2621c7f | 3381 | new->next = NULL; |
376d48c7 SK |
3382 | new->addr = NULL; |
3383 | ||
f2621c7f SK |
3384 | /* Add to the end of the list, so that first name |
3385 | of an interface is used for PTR lookups. */ | |
824af85b | 3386 | for (up = &daemon->int_names; *up; up = &((*up)->next)); |
f2621c7f | 3387 | *up = new; |
1f15b81d | 3388 | new->name = domain; |
f7029f5c SK |
3389 | new->family = 0; |
3390 | arg = split_chr(comma, '/'); | |
3391 | if (arg) | |
3392 | { | |
3393 | if (strcmp(arg, "4") == 0) | |
3394 | new->family = AF_INET; | |
3395 | #ifdef HAVE_IPV6 | |
3396 | else if (strcmp(arg, "6") == 0) | |
3397 | new->family = AF_INET6; | |
3398 | #endif | |
3399 | else | |
3400 | ret_err(gen_err); | |
3401 | } | |
824af85b | 3402 | new->intr = opt_string_alloc(comma); |
f2621c7f SK |
3403 | break; |
3404 | } | |
9009d746 SK |
3405 | |
3406 | case LOPT_CNAME: /* --cname */ | |
3407 | { | |
3408 | struct cname *new; | |
c4a7f90e SK |
3409 | char *alias; |
3410 | char *target; | |
3411 | ||
9009d746 | 3412 | if (!(comma = split(arg))) |
c4a7f90e SK |
3413 | ret_err(gen_err); |
3414 | ||
3415 | alias = canonicalise_opt(arg); | |
3416 | target = canonicalise_opt(comma); | |
3417 | ||
3418 | if (!alias || !target) | |
3419 | ret_err(_("bad CNAME")); | |
9009d746 SK |
3420 | else |
3421 | { | |
c4a7f90e SK |
3422 | for (new = daemon->cnames; new; new = new->next) |
3423 | if (hostname_isequal(new->alias, arg)) | |
3424 | ret_err(_("duplicate CNAME")); | |
3425 | new = opt_malloc(sizeof(struct cname)); | |
3426 | new->next = daemon->cnames; | |
3427 | daemon->cnames = new; | |
3428 | new->alias = alias; | |
3429 | new->target = target; | |
9009d746 | 3430 | } |
c4a7f90e | 3431 | |
9009d746 SK |
3432 | break; |
3433 | } | |
f2621c7f SK |
3434 | |
3435 | case LOPT_PTR: /* --ptr-record */ | |
3436 | { | |
3437 | struct ptr_record *new; | |
1f15b81d SK |
3438 | char *dom, *target = NULL; |
3439 | ||
f2621c7f SK |
3440 | comma = split(arg); |
3441 | ||
1f15b81d SK |
3442 | if (!(dom = canonicalise_opt(arg)) || |
3443 | (comma && !(target = canonicalise_opt(comma)))) | |
c4a7f90e | 3444 | ret_err(_("bad PTR record")); |
1f15b81d SK |
3445 | else |
3446 | { | |
3447 | new = opt_malloc(sizeof(struct ptr_record)); | |
3448 | new->next = daemon->ptr; | |
3449 | daemon->ptr = new; | |
3450 | new->name = dom; | |
3451 | new->ptr = target; | |
3452 | } | |
832af0ba SK |
3453 | break; |
3454 | } | |
3455 | ||
1a6bca81 SK |
3456 | case LOPT_NAPTR: /* --naptr-record */ |
3457 | { | |
3458 | char *a[7] = { NULL, NULL, NULL, NULL, NULL, NULL, NULL }; | |
3459 | int k = 0; | |
3460 | struct naptr *new; | |
3461 | int order, pref; | |
1f15b81d | 3462 | char *name, *replace = NULL; |
1a6bca81 SK |
3463 | |
3464 | if ((a[0] = arg)) | |
3465 | for (k = 1; k < 7; k++) | |
3466 | if (!(a[k] = split(a[k-1]))) | |
3467 | break; | |
3468 | ||
3469 | ||
3470 | if (k < 6 || | |
1f15b81d | 3471 | !(name = canonicalise_opt(a[0])) || |
1ad24ae1 SK |
3472 | !atoi_check16(a[1], &order) || |
3473 | !atoi_check16(a[2], &pref) || | |
1f15b81d | 3474 | (k == 7 && !(replace = canonicalise_opt(a[6])))) |
c4a7f90e | 3475 | ret_err(_("bad NAPTR record")); |
1a6bca81 SK |
3476 | else |
3477 | { | |
3478 | new = opt_malloc(sizeof(struct naptr)); | |
3479 | new->next = daemon->naptr; | |
3480 | daemon->naptr = new; | |
1f15b81d | 3481 | new->name = name; |
1a6bca81 SK |
3482 | new->flags = opt_string_alloc(a[3]); |
3483 | new->services = opt_string_alloc(a[4]); | |
3484 | new->regexp = opt_string_alloc(a[5]); | |
1f15b81d | 3485 | new->replace = replace; |
1a6bca81 SK |
3486 | new->order = order; |
3487 | new->pref = pref; | |
3488 | } | |
3489 | break; | |
3490 | } | |
9f7f3b12 SK |
3491 | |
3492 | case LOPT_RR: /* dns-rr */ | |
3493 | { | |
3494 | struct txt_record *new; | |
d082faf3 | 3495 | size_t len = len; |
9f7f3b12 SK |
3496 | char *data; |
3497 | int val; | |
3498 | ||
3499 | comma = split(arg); | |
3500 | data = split(comma); | |
3501 | ||
3502 | new = opt_malloc(sizeof(struct txt_record)); | |
3503 | new->next = daemon->rr; | |
3504 | daemon->rr = new; | |
3505 | ||
3506 | if (!atoi_check(comma, &val) || | |
3507 | !(new->name = canonicalise_opt(arg)) || | |
51931b88 | 3508 | (data && (len = parse_hex(data, (unsigned char *)data, -1, NULL, NULL)) == -1U)) |
c4a7f90e SK |
3509 | ret_err(_("bad RR record")); |
3510 | ||
9f7f3b12 SK |
3511 | new->class = val; |
3512 | new->len = 0; | |
3513 | ||
3514 | if (data) | |
3515 | { | |
3516 | new->txt=opt_malloc(len); | |
3517 | new->len = len; | |
3518 | memcpy(new->txt, data, len); | |
3519 | } | |
3520 | ||
3521 | break; | |
3522 | } | |
3523 | ||
f2621c7f | 3524 | case 'Y': /* --txt-record */ |
849a8357 SK |
3525 | { |
3526 | struct txt_record *new; | |
28866e95 SK |
3527 | unsigned char *p, *cnt; |
3528 | size_t len; | |
3529 | ||
3530 | comma = split(arg); | |
3531 | ||
824af85b | 3532 | new = opt_malloc(sizeof(struct txt_record)); |
849a8357 SK |
3533 | new->next = daemon->txt; |
3534 | daemon->txt = new; | |
3535 | new->class = C_IN; | |
849a8357 | 3536 | |
1f15b81d | 3537 | if (!(new->name = canonicalise_opt(arg))) |
c4a7f90e SK |
3538 | ret_err(_("bad TXT record")); |
3539 | ||
28866e95 SK |
3540 | len = comma ? strlen(comma) : 0; |
3541 | len += (len/255) + 1; /* room for extra counts */ | |
3542 | new->txt = p = opt_malloc(len); | |
3543 | ||
3544 | cnt = p++; | |
3545 | *cnt = 0; | |
3546 | ||
3547 | while (comma && *comma) | |
3548 | { | |
3549 | unsigned char c = (unsigned char)*comma++; | |
3550 | ||
3551 | if (c == ',' || *cnt == 255) | |
3552 | { | |
3553 | if (c != ',') | |
3554 | comma--; | |
3555 | cnt = p++; | |
3556 | *cnt = 0; | |
3557 | } | |
3558 | else | |
3559 | { | |
3560 | *p++ = unhide_meta(c); | |
3561 | (*cnt)++; | |
3562 | } | |
3563 | } | |
3564 | ||
3565 | new->len = p - new->txt; | |
3566 | ||
849a8357 SK |
3567 | break; |
3568 | } | |
3569 | ||
f2621c7f | 3570 | case 'W': /* --srv-host */ |
849a8357 SK |
3571 | { |
3572 | int port = 1, priority = 0, weight = 0; | |
3573 | char *name, *target = NULL; | |
3574 | struct mx_srv_record *new; | |
3575 | ||
f2621c7f | 3576 | comma = split(arg); |
849a8357 | 3577 | |
1f15b81d | 3578 | if (!(name = canonicalise_opt(arg))) |
c4a7f90e SK |
3579 | ret_err(_("bad SRV record")); |
3580 | ||
849a8357 SK |
3581 | if (comma) |
3582 | { | |
3583 | arg = comma; | |
f2621c7f | 3584 | comma = split(arg); |
c4a7f90e SK |
3585 | if (!(target = canonicalise_opt(arg))) |
3586 | ret_err(_("bad SRV target")); | |
824af85b | 3587 | |
849a8357 | 3588 | if (comma) |
f6b7dc47 | 3589 | { |
849a8357 | 3590 | arg = comma; |
f2621c7f | 3591 | comma = split(arg); |
1ad24ae1 | 3592 | if (!atoi_check16(arg, &port)) |
c4a7f90e | 3593 | ret_err(_("invalid port number")); |
824af85b | 3594 | |
f6b7dc47 SK |
3595 | if (comma) |
3596 | { | |
91dccd09 | 3597 | arg = comma; |
f2621c7f | 3598 | comma = split(arg); |
1ad24ae1 | 3599 | if (!atoi_check16(arg, &priority)) |
c4a7f90e | 3600 | ret_err(_("invalid priority")); |
824af85b | 3601 | |
f6b7dc47 SK |
3602 | if (comma) |
3603 | { | |
91dccd09 | 3604 | arg = comma; |
f2621c7f | 3605 | comma = split(arg); |
1ad24ae1 | 3606 | if (!atoi_check16(arg, &weight)) |
c4a7f90e | 3607 | ret_err(_("invalid weight")); |
f6b7dc47 SK |
3608 | } |
3609 | } | |
f6b7dc47 | 3610 | } |
849a8357 SK |
3611 | } |
3612 | ||
824af85b | 3613 | new = opt_malloc(sizeof(struct mx_srv_record)); |
849a8357 SK |
3614 | new->next = daemon->mxnames; |
3615 | daemon->mxnames = new; | |
3616 | new->issrv = 1; | |
3617 | new->name = name; | |
3618 | new->target = target; | |
3619 | new->srvport = port; | |
3620 | new->priority = priority; | |
3621 | new->weight = weight; | |
3622 | break; | |
3623 | } | |
7622fc06 | 3624 | |
e759d426 SK |
3625 | case LOPT_HOST_REC: /* --host-record */ |
3626 | { | |
3627 | struct host_record *new = opt_malloc(sizeof(struct host_record)); | |
3628 | memset(new, 0, sizeof(struct host_record)); | |
3629 | ||
3630 | if (!arg || !(comma = split(arg))) | |
c4a7f90e SK |
3631 | ret_err(_("Bad host-record")); |
3632 | ||
3633 | while (arg) | |
3634 | { | |
3635 | struct all_addr addr; | |
3636 | if (inet_pton(AF_INET, arg, &addr)) | |
3637 | new->addr = addr.addr.addr4; | |
e759d426 | 3638 | #ifdef HAVE_IPV6 |
c4a7f90e SK |
3639 | else if (inet_pton(AF_INET6, arg, &addr)) |
3640 | new->addr6 = addr.addr.addr6; | |
e759d426 | 3641 | #endif |
c4a7f90e SK |
3642 | else |
3643 | { | |
3644 | int nomem; | |
3645 | char *canon = canonicalise(arg, &nomem); | |
3646 | struct name_list *nl = opt_malloc(sizeof(struct name_list)); | |
3647 | if (!canon) | |
3648 | ret_err(_("Bad name in host-record")); | |
3649 | ||
3650 | nl->name = canon; | |
3651 | /* keep order, so that PTR record goes to first name */ | |
3652 | nl->next = NULL; | |
3653 | if (!new->names) | |
3654 | new->names = nl; | |
3655 | else | |
3656 | { | |
3657 | struct name_list *tmp; | |
3658 | for (tmp = new->names; tmp->next; tmp = tmp->next); | |
3659 | tmp->next = nl; | |
3660 | } | |
c4a7f90e | 3661 | } |
e4807d8b SK |
3662 | |
3663 | arg = comma; | |
3664 | comma = split(arg); | |
c4a7f90e | 3665 | } |
e759d426 SK |
3666 | |
3667 | /* Keep list order */ | |
3668 | if (!daemon->host_records_tail) | |
3669 | daemon->host_records = new; | |
3670 | else | |
3671 | daemon->host_records_tail->next = new; | |
3672 | new->next = NULL; | |
3673 | daemon->host_records_tail = new; | |
3674 | break; | |
3675 | } | |
0fc2f313 SK |
3676 | |
3677 | #ifdef HAVE_DNSSEC | |
3678 | case LOPT_DNSKEY: | |
3679 | { | |
3680 | struct dnskey *new = opt_malloc(sizeof(struct dnskey)); | |
3681 | char *key64, *algo; | |
3682 | ||
3683 | if (!(comma = split(arg)) || !(algo = split(comma)) || !(key64 = split(algo)) || | |
3684 | !atoi_check16(comma, &new->flags) || !atoi_check16(algo, &new->algo) || | |
3685 | !(new->name = canonicalise_opt(arg))) | |
3686 | ret_err(_("bad DNSKEY")); | |
3687 | ||
3688 | ||
3689 | /* Upper bound on length */ | |
86bec2d3 | 3690 | new->key = opt_malloc((3*strlen(key64)/4)+1); |
0fc2f313 SK |
3691 | unhide_metas(key64); |
3692 | if ((new->keylen = parse_base64(key64, new->key)) == -1) | |
3693 | ret_err(_("bad base64 in DNSKEY")); | |
3694 | ||
3695 | new->next = daemon->dnskeys; | |
3696 | daemon->dnskeys = new; | |
3697 | ||
3698 | break; | |
3699 | } | |
3700 | #endif | |
3701 | ||
7622fc06 | 3702 | default: |
0fc2f313 | 3703 | ret_err(_("unsupported option (check that dnsmasq was compiled with DHCP/TFTP/DNSSEC/DBus support)")); |
c4a7f90e | 3704 | |
849a8357 | 3705 | } |
824af85b | 3706 | |
c4a7f90e | 3707 | return 1; |
849a8357 SK |
3708 | } |
3709 | ||
28866e95 | 3710 | static void read_file(char *file, FILE *f, int hard_opt) |
849a8357 | 3711 | { |
824af85b | 3712 | volatile int lineno = 0; |
8ef5ada2 | 3713 | char *buff = daemon->namebuff; |
849a8357 SK |
3714 | |
3715 | while (fgets(buff, MAXDNAME, f)) | |
3716 | { | |
611ebc5f SK |
3717 | int white, i, option = hard_opt; |
3718 | char *errmess, *p, *arg = NULL, *start; | |
8ef5ada2 | 3719 | size_t len; |
832af0ba | 3720 | |
824af85b | 3721 | /* Memory allocation failure longjmps here if mem_recover == 1 */ |
611ebc5f | 3722 | if (option != 0) |
824af85b SK |
3723 | { |
3724 | if (setjmp(mem_jmp)) | |
3725 | continue; | |
3726 | mem_recover = 1; | |
3727 | } | |
3728 | ||
849a8357 | 3729 | lineno++; |
824af85b SK |
3730 | errmess = NULL; |
3731 | ||
849a8357 SK |
3732 | /* Implement quotes, inside quotes we allow \\ \" \n and \t |
3733 | metacharacters get hidden also strip comments */ | |
8ef5ada2 | 3734 | for (white = 1, p = buff; *p; p++) |
849a8357 SK |
3735 | { |
3736 | if (*p == '"') | |
3737 | { | |
3738 | memmove(p, p+1, strlen(p+1)+1); | |
8ef5ada2 | 3739 | |
849a8357 SK |
3740 | for(; *p && *p != '"'; p++) |
3741 | { | |
5aabfc78 | 3742 | if (*p == '\\' && strchr("\"tnebr\\", p[1])) |
849a8357 SK |
3743 | { |
3744 | if (p[1] == 't') | |
3745 | p[1] = '\t'; | |
3746 | else if (p[1] == 'n') | |
3747 | p[1] = '\n'; | |
849a8357 SK |
3748 | else if (p[1] == 'b') |
3749 | p[1] = '\b'; | |
3750 | else if (p[1] == 'r') | |
3751 | p[1] = '\r'; | |
6b01084f SK |
3752 | else if (p[1] == 'e') /* escape */ |
3753 | p[1] = '\033'; | |
849a8357 SK |
3754 | memmove(p, p+1, strlen(p+1)+1); |
3755 | } | |
3756 | *p = hide_meta(*p); | |
3757 | } | |
8ef5ada2 SK |
3758 | |
3759 | if (*p == 0) | |
f2621c7f SK |
3760 | { |
3761 | errmess = _("missing \""); | |
3762 | goto oops; | |
3763 | } | |
8ef5ada2 SK |
3764 | |
3765 | memmove(p, p+1, strlen(p+1)+1); | |
849a8357 | 3766 | } |
f2621c7f | 3767 | |
8ef5ada2 SK |
3768 | if (isspace(*p)) |
3769 | { | |
3770 | *p = ' '; | |
3771 | white = 1; | |
9e4abcb5 | 3772 | } |
8ef5ada2 SK |
3773 | else |
3774 | { | |
3775 | if (white && *p == '#') | |
3776 | { | |
3777 | *p = 0; | |
3778 | break; | |
3779 | } | |
3780 | white = 0; | |
3781 | } | |
849a8357 SK |
3782 | } |
3783 | ||
8ef5ada2 SK |
3784 | |
3785 | /* strip leading spaces */ | |
3786 | for (start = buff; *start && *start == ' '; start++); | |
3787 | ||
3788 | /* strip trailing spaces */ | |
3789 | for (len = strlen(start); (len != 0) && (start[len-1] == ' '); len--); | |
3790 | ||
3791 | if (len == 0) | |
849a8357 | 3792 | continue; |
8ef5ada2 SK |
3793 | else |
3794 | start[len] = 0; | |
3795 | ||
611ebc5f | 3796 | if (option != 0) |
8ef5ada2 SK |
3797 | arg = start; |
3798 | else if ((p=strchr(start, '='))) | |
849a8357 SK |
3799 | { |
3800 | /* allow spaces around "=" */ | |
8ef5ada2 SK |
3801 | for (arg = p+1; *arg == ' '; arg++); |
3802 | for (; p >= start && (*p == ' ' || *p == '='); p--) | |
849a8357 | 3803 | *p = 0; |
9e4abcb5 | 3804 | } |
849a8357 SK |
3805 | else |
3806 | arg = NULL; | |
832af0ba | 3807 | |
611ebc5f | 3808 | if (option == 0) |
5aabfc78 | 3809 | { |
5aabfc78 SK |
3810 | for (option = 0, i = 0; opts[i].name; i++) |
3811 | if (strcmp(opts[i].name, start) == 0) | |
3812 | { | |
3813 | option = opts[i].val; | |
3814 | break; | |
3815 | } | |
3816 | ||
3817 | if (!option) | |
3818 | errmess = _("bad option"); | |
3819 | else if (opts[i].has_arg == 0 && arg) | |
3820 | errmess = _("extraneous parameter"); | |
3821 | else if (opts[i].has_arg == 1 && !arg) | |
3822 | errmess = _("missing parameter"); | |
3823 | } | |
c4a7f90e SK |
3824 | |
3825 | oops: | |
832af0ba | 3826 | if (errmess) |
c4a7f90e SK |
3827 | strcpy(daemon->namebuff, errmess); |
3828 | ||
3829 | if (errmess || !one_opt(option, arg, buff, _("error"), 0)) | |
f2621c7f | 3830 | { |
c4a7f90e | 3831 | sprintf(daemon->namebuff + strlen(daemon->namebuff), _(" at line %d of %s"), lineno, file); |
824af85b | 3832 | if (hard_opt != 0) |
c4a7f90e | 3833 | my_syslog(LOG_ERR, "%s", daemon->namebuff); |
5aabfc78 | 3834 | else |
c4a7f90e | 3835 | die("%s", daemon->namebuff, EC_BADCONF); |
f2621c7f | 3836 | } |
849a8357 SK |
3837 | } |
3838 | ||
8ef5ada2 | 3839 | mem_recover = 0; |
849a8357 SK |
3840 | fclose(f); |
3841 | } | |
3842 | ||
395eb719 | 3843 | static int one_file(char *file, int hard_opt) |
28866e95 SK |
3844 | { |
3845 | FILE *f; | |
3846 | int nofile_ok = 0; | |
3847 | static int read_stdin = 0; | |
3848 | static struct fileread { | |
3849 | dev_t dev; | |
3850 | ino_t ino; | |
3851 | struct fileread *next; | |
3852 | } *filesread = NULL; | |
3853 | ||
3854 | if (hard_opt == '7') | |
3855 | { | |
3856 | /* default conf-file reading */ | |
3857 | hard_opt = 0; | |
3858 | nofile_ok = 1; | |
3859 | } | |
3860 | ||
3861 | if (hard_opt == 0 && strcmp(file, "-") == 0) | |
3862 | { | |
3863 | if (read_stdin == 1) | |
395eb719 | 3864 | return 1; |
28866e95 SK |
3865 | read_stdin = 1; |
3866 | file = "stdin"; | |
3867 | f = stdin; | |
3868 | } | |
3869 | else | |
3870 | { | |
3871 | /* ignore repeated files. */ | |
3872 | struct stat statbuf; | |
3873 | ||
3874 | if (hard_opt == 0 && stat(file, &statbuf) == 0) | |
3875 | { | |
3876 | struct fileread *r; | |
3877 | ||
3878 | for (r = filesread; r; r = r->next) | |
3879 | if (r->dev == statbuf.st_dev && r->ino == statbuf.st_ino) | |
395eb719 | 3880 | return 1; |
28866e95 SK |
3881 | |
3882 | r = safe_malloc(sizeof(struct fileread)); | |
3883 | r->next = filesread; | |
3884 | filesread = r; | |
3885 | r->dev = statbuf.st_dev; | |
3886 | r->ino = statbuf.st_ino; | |
3887 | } | |
3888 | ||
3889 | if (!(f = fopen(file, "r"))) | |
3890 | { | |
3891 | if (errno == ENOENT && nofile_ok) | |
395eb719 | 3892 | return 1; /* No conffile, all done. */ |
28866e95 SK |
3893 | else |
3894 | { | |
3895 | char *str = _("cannot read %s: %s"); | |
3896 | if (hard_opt != 0) | |
3897 | { | |
3898 | my_syslog(LOG_ERR, str, file, strerror(errno)); | |
395eb719 | 3899 | return 0; |
28866e95 SK |
3900 | } |
3901 | else | |
3902 | die(str, file, EC_FILE); | |
3903 | } | |
3904 | } | |
3905 | } | |
3906 | ||
3907 | read_file(file, f, hard_opt); | |
395eb719 | 3908 | return 1; |
28866e95 SK |
3909 | } |
3910 | ||
3911 | /* expand any name which is a directory */ | |
3912 | struct hostsfile *expand_filelist(struct hostsfile *list) | |
3913 | { | |
3914 | int i; | |
3915 | struct hostsfile *ah; | |
3916 | ||
3917 | for (i = 0, ah = list; ah; ah = ah->next) | |
3918 | { | |
3919 | if (i <= ah->index) | |
3920 | i = ah->index + 1; | |
3921 | ||
3922 | if (ah->flags & AH_DIR) | |
3923 | ah->flags |= AH_INACTIVE; | |
3924 | else | |
3925 | ah->flags &= ~AH_INACTIVE; | |
3926 | } | |
3927 | ||
3928 | for (ah = list; ah; ah = ah->next) | |
3929 | if (!(ah->flags & AH_INACTIVE)) | |
3930 | { | |
3931 | struct stat buf; | |
3932 | if (stat(ah->fname, &buf) != -1 && S_ISDIR(buf.st_mode)) | |
3933 | { | |
3934 | DIR *dir_stream; | |
3935 | struct dirent *ent; | |
3936 | ||
3937 | /* don't read this as a file */ | |
3938 | ah->flags |= AH_INACTIVE; | |
3939 | ||
3940 | if (!(dir_stream = opendir(ah->fname))) | |
3941 | my_syslog(LOG_ERR, _("cannot access directory %s: %s"), | |
3942 | ah->fname, strerror(errno)); | |
3943 | else | |
3944 | { | |
3945 | while ((ent = readdir(dir_stream))) | |
3946 | { | |
3947 | size_t lendir = strlen(ah->fname); | |
3948 | size_t lenfile = strlen(ent->d_name); | |
3949 | struct hostsfile *ah1; | |
3950 | char *path; | |
3951 | ||
3952 | /* ignore emacs backups and dotfiles */ | |
3953 | if (lenfile == 0 || | |
3954 | ent->d_name[lenfile - 1] == '~' || | |
3955 | (ent->d_name[0] == '#' && ent->d_name[lenfile - 1] == '#') || | |
3956 | ent->d_name[0] == '.') | |
3957 | continue; | |
3958 | ||
3959 | /* see if we have an existing record. | |
3960 | dir is ah->fname | |
3961 | file is ent->d_name | |
3962 | path to match is ah1->fname */ | |
3963 | ||
3964 | for (ah1 = list; ah1; ah1 = ah1->next) | |
3965 | { | |
3966 | if (lendir < strlen(ah1->fname) && | |
3967 | strstr(ah1->fname, ah->fname) == ah1->fname && | |
3968 | ah1->fname[lendir] == '/' && | |
3969 | strcmp(ah1->fname + lendir + 1, ent->d_name) == 0) | |
3970 | { | |
3971 | ah1->flags &= ~AH_INACTIVE; | |
3972 | break; | |
3973 | } | |
3974 | } | |
3975 | ||
3976 | /* make new record */ | |
3977 | if (!ah1) | |
3978 | { | |
3979 | if (!(ah1 = whine_malloc(sizeof(struct hostsfile)))) | |
3980 | continue; | |
3981 | ||
3982 | if (!(path = whine_malloc(lendir + lenfile + 2))) | |
3983 | { | |
3984 | free(ah1); | |
3985 | continue; | |
3986 | } | |
3987 | ||
3988 | strcpy(path, ah->fname); | |
3989 | strcat(path, "/"); | |
3990 | strcat(path, ent->d_name); | |
3991 | ah1->fname = path; | |
3992 | ah1->index = i++; | |
3993 | ah1->flags = AH_DIR; | |
3994 | ah1->next = list; | |
3995 | list = ah1; | |
3996 | } | |
3997 | ||
3998 | /* inactivate record if not regular file */ | |
3999 | if ((ah1->flags & AH_DIR) && stat(ah1->fname, &buf) != -1 && !S_ISREG(buf.st_mode)) | |
4000 | ah1->flags |= AH_INACTIVE; | |
4001 | ||
4002 | } | |
4003 | closedir(dir_stream); | |
4004 | } | |
4005 | } | |
4006 | } | |
4007 | ||
4008 | return list; | |
4009 | } | |
4010 | ||
4011 | ||
7622fc06 | 4012 | #ifdef HAVE_DHCP |
824af85b SK |
4013 | void reread_dhcp(void) |
4014 | { | |
28866e95 SK |
4015 | struct hostsfile *hf; |
4016 | ||
824af85b SK |
4017 | if (daemon->dhcp_hosts_file) |
4018 | { | |
4019 | struct dhcp_config *configs, *cp, **up; | |
28866e95 | 4020 | |
824af85b SK |
4021 | /* remove existing... */ |
4022 | for (up = &daemon->dhcp_conf, configs = daemon->dhcp_conf; configs; configs = cp) | |
4023 | { | |
4024 | cp = configs->next; | |
4025 | ||
4026 | if (configs->flags & CONFIG_BANK) | |
4027 | { | |
9009d746 | 4028 | struct hwaddr_config *mac, *tmp; |
8ef5ada2 | 4029 | struct dhcp_netid_list *list, *tmplist; |
9009d746 SK |
4030 | |
4031 | for (mac = configs->hwaddr; mac; mac = tmp) | |
4032 | { | |
4033 | tmp = mac->next; | |
4034 | free(mac); | |
4035 | } | |
8ef5ada2 | 4036 | |
824af85b SK |
4037 | if (configs->flags & CONFIG_CLID) |
4038 | free(configs->clid); | |
8ef5ada2 SK |
4039 | |
4040 | for (list = configs->netid; list; list = tmplist) | |
4041 | { | |
4042 | free(list->list); | |
4043 | tmplist = list->next; | |
4044 | free(list); | |
4045 | } | |
4046 | ||
824af85b SK |
4047 | if (configs->flags & CONFIG_NAME) |
4048 | free(configs->hostname); | |
4049 | ||
4050 | *up = configs->next; | |
4051 | free(configs); | |
4052 | } | |
4053 | else | |
4054 | up = &configs->next; | |
4055 | } | |
4056 | ||
28866e95 SK |
4057 | daemon->dhcp_hosts_file = expand_filelist(daemon->dhcp_hosts_file); |
4058 | for (hf = daemon->dhcp_hosts_file; hf; hf = hf->next) | |
4059 | if (!(hf->flags & AH_INACTIVE)) | |
4060 | { | |
395eb719 SK |
4061 | if (one_file(hf->fname, LOPT_BANK)) |
4062 | my_syslog(MS_DHCP | LOG_INFO, _("read %s"), hf->fname); | |
28866e95 | 4063 | } |
824af85b SK |
4064 | } |
4065 | ||
4066 | if (daemon->dhcp_opts_file) | |
4067 | { | |
4068 | struct dhcp_opt *opts, *cp, **up; | |
4069 | struct dhcp_netid *id, *next; | |
4070 | ||
4071 | for (up = &daemon->dhcp_opts, opts = daemon->dhcp_opts; opts; opts = cp) | |
4072 | { | |
4073 | cp = opts->next; | |
4074 | ||
4075 | if (opts->flags & DHOPT_BANK) | |
4076 | { | |
73a08a24 SK |
4077 | if ((opts->flags & DHOPT_VENDOR)) |
4078 | free(opts->u.vendor_class); | |
824af85b SK |
4079 | free(opts->val); |
4080 | for (id = opts->netid; id; id = next) | |
4081 | { | |
4082 | next = id->next; | |
4083 | free(id->net); | |
4084 | free(id); | |
4085 | } | |
4086 | *up = opts->next; | |
4087 | free(opts); | |
4088 | } | |
4089 | else | |
4090 | up = &opts->next; | |
4091 | } | |
4092 | ||
28866e95 SK |
4093 | daemon->dhcp_opts_file = expand_filelist(daemon->dhcp_opts_file); |
4094 | for (hf = daemon->dhcp_opts_file; hf; hf = hf->next) | |
4095 | if (!(hf->flags & AH_INACTIVE)) | |
4096 | { | |
395eb719 SK |
4097 | if (one_file(hf->fname, LOPT_OPTS)) |
4098 | my_syslog(MS_DHCP | LOG_INFO, _("read %s"), hf->fname); | |
28866e95 | 4099 | } |
824af85b SK |
4100 | } |
4101 | } | |
7622fc06 | 4102 | #endif |
824af85b | 4103 | |
5aabfc78 | 4104 | void read_opts(int argc, char **argv, char *compile_opts) |
849a8357 | 4105 | { |
824af85b | 4106 | char *buff = opt_malloc(MAXDNAME); |
28866e95 | 4107 | int option, conffile_opt = '7', testmode = 0; |
c4a7f90e | 4108 | char *arg, *conffile = CONFFILE; |
849a8357 SK |
4109 | |
4110 | opterr = 0; | |
5aabfc78 | 4111 | |
824af85b | 4112 | daemon = opt_malloc(sizeof(struct daemon)); |
849a8357 SK |
4113 | memset(daemon, 0, sizeof(struct daemon)); |
4114 | daemon->namebuff = buff; | |
4115 | ||
4116 | /* Set defaults - everything else is zero or NULL */ | |
4117 | daemon->cachesize = CACHESIZ; | |
208b65c5 | 4118 | daemon->ftabsize = FTABSIZ; |
849a8357 | 4119 | daemon->port = NAMESERVER_PORT; |
9e038946 SK |
4120 | daemon->dhcp_client_port = DHCP_CLIENT_PORT; |
4121 | daemon->dhcp_server_port = DHCP_SERVER_PORT; | |
849a8357 SK |
4122 | daemon->default_resolv.is_default = 1; |
4123 | daemon->default_resolv.name = RESOLVFILE; | |
4124 | daemon->resolv_files = &daemon->default_resolv; | |
4125 | daemon->username = CHUSER; | |
849a8357 SK |
4126 | daemon->runfile = RUNFILE; |
4127 | daemon->dhcp_max = MAXLEASES; | |
832af0ba | 4128 | daemon->tftp_max = TFTP_MAX_CONNECTIONS; |
849a8357 SK |
4129 | daemon->edns_pktsz = EDNS_PKTSZ; |
4130 | daemon->log_fac = -1; | |
4f7b304f SK |
4131 | daemon->auth_ttl = AUTH_TTL; |
4132 | daemon->soa_refresh = SOA_REFRESH; | |
4133 | daemon->soa_retry = SOA_RETRY; | |
4134 | daemon->soa_expiry = SOA_EXPIRY; | |
5aabfc78 SK |
4135 | add_txt("version.bind", "dnsmasq-" VERSION ); |
4136 | add_txt("authors.bind", "Simon Kelley"); | |
4137 | add_txt("copyright.bind", COPYRIGHT); | |
849a8357 SK |
4138 | |
4139 | while (1) | |
4140 | { | |
26128d27 | 4141 | #ifdef HAVE_GETOPT_LONG |
849a8357 | 4142 | option = getopt_long(argc, argv, OPTSTRING, opts, NULL); |
26128d27 | 4143 | #else |
849a8357 | 4144 | option = getopt(argc, argv, OPTSTRING); |
26128d27 | 4145 | #endif |
849a8357 SK |
4146 | |
4147 | if (option == -1) | |
28866e95 | 4148 | { |
572b41eb SK |
4149 | for (; optind < argc; optind++) |
4150 | { | |
4151 | unsigned char *c = (unsigned char *)argv[optind]; | |
4152 | for (; *c != 0; c++) | |
4153 | if (!isspace(*c)) | |
4154 | die(_("junk found in command line"), NULL, EC_BADCONF); | |
4155 | } | |
28866e95 SK |
4156 | break; |
4157 | } | |
4158 | ||
849a8357 SK |
4159 | /* Copy optarg so that argv doesn't get changed */ |
4160 | if (optarg) | |
4161 | { | |
4162 | strncpy(buff, optarg, MAXDNAME); | |
4163 | buff[MAXDNAME-1] = 0; | |
4164 | arg = buff; | |
9e4abcb5 | 4165 | } |
849a8357 SK |
4166 | else |
4167 | arg = NULL; | |
9e4abcb5 | 4168 | |
849a8357 | 4169 | /* command-line only stuff */ |
7622fc06 SK |
4170 | if (option == LOPT_TEST) |
4171 | testmode = 1; | |
4172 | else if (option == 'w') | |
849a8357 | 4173 | { |
7622fc06 | 4174 | #ifdef HAVE_DHCP |
4cb1b320 | 4175 | if (argc == 3 && strcmp(argv[2], "dhcp") == 0) |
7622fc06 | 4176 | display_opts(); |
4cb1b320 SK |
4177 | #ifdef HAVE_DHCP6 |
4178 | else if (argc == 3 && strcmp(argv[2], "dhcp6") == 0) | |
4179 | display_opts6(); | |
7622fc06 | 4180 | #endif |
4cb1b320 | 4181 | else |
7622fc06 | 4182 | #endif |
4cb1b320 SK |
4183 | do_usage(); |
4184 | ||
849a8357 SK |
4185 | exit(0); |
4186 | } | |
4187 | else if (option == 'v') | |
4188 | { | |
4189 | printf(_("Dnsmasq version %s %s\n"), VERSION, COPYRIGHT); | |
c72daea8 | 4190 | printf(_("Compile time options: %s\n\n"), compile_opts); |
849a8357 SK |
4191 | printf(_("This software comes with ABSOLUTELY NO WARRANTY.\n")); |
4192 | printf(_("Dnsmasq is free software, and you are welcome to redistribute it\n")); | |
824af85b | 4193 | printf(_("under the terms of the GNU General Public License, version 2 or 3.\n")); |
849a8357 SK |
4194 | exit(0); |
4195 | } | |
4196 | else if (option == 'C') | |
4197 | { | |
28866e95 | 4198 | conffile_opt = 0; /* file must exist */ |
824af85b | 4199 | conffile = opt_string_alloc(arg); |
849a8357 SK |
4200 | } |
4201 | else | |
4202 | { | |
4203 | #ifdef HAVE_GETOPT_LONG | |
c4a7f90e | 4204 | if (!one_opt(option, arg, daemon->namebuff, _("try --help"), 1)) |
849a8357 | 4205 | #else |
c4a7f90e | 4206 | if (!one_opt(option, arg, daemon->namebuff, _("try -w"), 1)) |
849a8357 | 4207 | #endif |
c4a7f90e | 4208 | die(_("bad command line options: %s"), daemon->namebuff, EC_BADCONF); |
849a8357 SK |
4209 | } |
4210 | } | |
4211 | ||
4212 | if (conffile) | |
28866e95 | 4213 | one_file(conffile, conffile_opt); |
849a8357 | 4214 | |
1a6bca81 | 4215 | /* port might not be known when the address is parsed - fill in here */ |
3be34541 | 4216 | if (daemon->servers) |
9e4abcb5 SK |
4217 | { |
4218 | struct server *tmp; | |
3be34541 | 4219 | for (tmp = daemon->servers; tmp; tmp = tmp->next) |
9e4abcb5 SK |
4220 | if (!(tmp->flags & SERV_HAS_SOURCE)) |
4221 | { | |
4222 | if (tmp->source_addr.sa.sa_family == AF_INET) | |
3be34541 | 4223 | tmp->source_addr.in.sin_port = htons(daemon->query_port); |
9e4abcb5 SK |
4224 | #ifdef HAVE_IPV6 |
4225 | else if (tmp->source_addr.sa.sa_family == AF_INET6) | |
3be34541 | 4226 | tmp->source_addr.in6.sin6_port = htons(daemon->query_port); |
5aabfc78 SK |
4227 | #endif |
4228 | } | |
9e4abcb5 SK |
4229 | } |
4230 | ||
3be34541 | 4231 | if (daemon->if_addrs) |
9e4abcb5 SK |
4232 | { |
4233 | struct iname *tmp; | |
3be34541 | 4234 | for(tmp = daemon->if_addrs; tmp; tmp = tmp->next) |
9e4abcb5 | 4235 | if (tmp->addr.sa.sa_family == AF_INET) |
3be34541 | 4236 | tmp->addr.in.sin_port = htons(daemon->port); |
9e4abcb5 SK |
4237 | #ifdef HAVE_IPV6 |
4238 | else if (tmp->addr.sa.sa_family == AF_INET6) | |
3be34541 | 4239 | tmp->addr.in6.sin6_port = htons(daemon->port); |
9e4abcb5 SK |
4240 | #endif /* IPv6 */ |
4241 | } | |
4f7b304f SK |
4242 | |
4243 | /* create default, if not specified */ | |
4244 | if (daemon->authserver && !daemon->hostmaster) | |
4245 | { | |
4246 | strcpy(buff, "hostmaster."); | |
4247 | strcat(buff, daemon->authserver); | |
4248 | daemon->hostmaster = opt_string_alloc(buff); | |
4249 | } | |
4250 | ||
f6b7dc47 | 4251 | /* only one of these need be specified: the other defaults to the host-name */ |
28866e95 | 4252 | if (option_bool(OPT_LOCALMX) || daemon->mxnames || daemon->mxtarget) |
9e4abcb5 | 4253 | { |
0a852541 SK |
4254 | struct mx_srv_record *mx; |
4255 | ||
9e4abcb5 | 4256 | if (gethostname(buff, MAXDNAME) == -1) |
5aabfc78 | 4257 | die(_("cannot get host-name: %s"), NULL, EC_MISC); |
f6b7dc47 | 4258 | |
0a852541 SK |
4259 | for (mx = daemon->mxnames; mx; mx = mx->next) |
4260 | if (!mx->issrv && hostname_isequal(mx->name, buff)) | |
4261 | break; | |
4262 | ||
28866e95 | 4263 | if ((daemon->mxtarget || option_bool(OPT_LOCALMX)) && !mx) |
de37951c | 4264 | { |
824af85b | 4265 | mx = opt_malloc(sizeof(struct mx_srv_record)); |
91dccd09 SK |
4266 | mx->next = daemon->mxnames; |
4267 | mx->issrv = 0; | |
4268 | mx->target = NULL; | |
824af85b | 4269 | mx->name = opt_string_alloc(buff); |
91dccd09 | 4270 | daemon->mxnames = mx; |
f6b7dc47 | 4271 | } |
9e4abcb5 | 4272 | |
3be34541 | 4273 | if (!daemon->mxtarget) |
824af85b | 4274 | daemon->mxtarget = opt_string_alloc(buff); |
0a852541 SK |
4275 | |
4276 | for (mx = daemon->mxnames; mx; mx = mx->next) | |
4277 | if (!mx->issrv && !mx->target) | |
4278 | mx->target = daemon->mxtarget; | |
9e4abcb5 | 4279 | } |
f6b7dc47 | 4280 | |
28866e95 | 4281 | if (!option_bool(OPT_NO_RESOLV) && |
208b65c5 SK |
4282 | daemon->resolv_files && |
4283 | daemon->resolv_files->next && | |
28866e95 | 4284 | option_bool(OPT_NO_POLL)) |
5aabfc78 | 4285 | die(_("only one resolv.conf file allowed in no-poll mode."), NULL, EC_BADCONF); |
de37951c | 4286 | |
28866e95 | 4287 | if (option_bool(OPT_RESOLV_DOMAIN)) |
de37951c SK |
4288 | { |
4289 | char *line; | |
849a8357 SK |
4290 | FILE *f; |
4291 | ||
28866e95 | 4292 | if (option_bool(OPT_NO_RESOLV) || |
208b65c5 SK |
4293 | !daemon->resolv_files || |
4294 | (daemon->resolv_files)->next) | |
5aabfc78 | 4295 | die(_("must have exactly one resolv.conf to read domain from."), NULL, EC_BADCONF); |
de37951c | 4296 | |
3be34541 | 4297 | if (!(f = fopen((daemon->resolv_files)->name, "r"))) |
5aabfc78 | 4298 | die(_("failed to read %s: %s"), (daemon->resolv_files)->name, EC_FILE); |
de37951c SK |
4299 | |
4300 | while ((line = fgets(buff, MAXDNAME, f))) | |
4301 | { | |
4302 | char *token = strtok(line, " \t\n\r"); | |
4303 | ||
4304 | if (!token || strcmp(token, "search") != 0) | |
4305 | continue; | |
4306 | ||
4307 | if ((token = strtok(NULL, " \t\n\r")) && | |
1f15b81d | 4308 | (daemon->domain_suffix = canonicalise_opt(token))) |
de37951c SK |
4309 | break; |
4310 | } | |
3be34541 | 4311 | |
de37951c | 4312 | fclose(f); |
8a911ccc | 4313 | |
3be34541 | 4314 | if (!daemon->domain_suffix) |
5aabfc78 | 4315 | die(_("no search directive found in %s"), (daemon->resolv_files)->name, EC_MISC); |
de37951c | 4316 | } |
3d8df260 SK |
4317 | |
4318 | if (daemon->domain_suffix) | |
4319 | { | |
4320 | /* add domain for any srv record without one. */ | |
4321 | struct mx_srv_record *srv; | |
de37951c | 4322 | |
3d8df260 SK |
4323 | for (srv = daemon->mxnames; srv; srv = srv->next) |
4324 | if (srv->issrv && | |
4325 | strchr(srv->name, '.') && | |
4326 | strchr(srv->name, '.') == strrchr(srv->name, '.')) | |
4327 | { | |
4328 | strcpy(buff, srv->name); | |
4329 | strcat(buff, "."); | |
4330 | strcat(buff, daemon->domain_suffix); | |
4331 | free(srv->name); | |
824af85b | 4332 | srv->name = opt_string_alloc(buff); |
3d8df260 SK |
4333 | } |
4334 | } | |
28866e95 | 4335 | else if (option_bool(OPT_DHCP_FQDN)) |
9009d746 | 4336 | die(_("there must be a default domain when --dhcp-fqdn is set"), NULL, EC_BADCONF); |
7622fc06 SK |
4337 | |
4338 | if (testmode) | |
4339 | { | |
4340 | fprintf(stderr, "dnsmasq: %s.\n", _("syntax check OK")); | |
4341 | exit(0); | |
4342 | } | |
849a8357 | 4343 | } |