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61744359 | 1 | /* dnsmasq is Copyright (c) 2000-2013 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 */ |
832af0ba SK |
67 | #define LOPT_RELOAD 256 |
68 | #define LOPT_NO_NAMES 257 | |
69 | #define LOPT_TFTP 258 | |
70 | #define LOPT_SECURE 259 | |
71 | #define LOPT_PREFIX 260 | |
72 | #define LOPT_PTR 261 | |
73 | #define LOPT_BRIDGE 262 | |
74 | #define LOPT_TFTP_MAX 263 | |
6b01084f SK |
75 | #define LOPT_FORCE 264 |
76 | #define LOPT_NOBLOCK 265 | |
f2621c7f SK |
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 | |
5aabfc78 SK |
83 | #define LOPT_BANK 272 |
84 | #define LOPT_DHCP_HOST 273 | |
85 | #define LOPT_APREF 274 | |
824af85b SK |
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 | |
9e038946 SK |
95 | #define LOPT_ALTPORT 284 |
96 | #define LOPT_SCRIPTUSR 285 | |
1a6bca81 SK |
97 | #define LOPT_LOCAL 286 |
98 | #define LOPT_NAPTR 287 | |
99 | #define LOPT_MINPORT 288 | |
9009d746 SK |
100 | #define LOPT_DHCP_FQDN 289 |
101 | #define LOPT_CNAME 290 | |
7622fc06 SK |
102 | #define LOPT_PXE_PROMT 291 |
103 | #define LOPT_PXE_SERV 292 | |
104 | #define LOPT_TEST 293 | |
8ef5ada2 SK |
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 | |
28866e95 | 111 | #define LOPT_ADD_MAC 300 |
237724c0 | 112 | #define LOPT_SEC_PROXY 301 |
7de060b0 SK |
113 | #define LOPT_INCR_ADDR 302 |
114 | #define LOPT_CONNTRACK 303 | |
c72daea8 SK |
115 | #define LOPT_FQDN 304 |
116 | #define LOPT_LUASCRIPT 305 | |
c5ad4e79 | 117 | #define LOPT_RA 306 |
8b372704 | 118 | #define LOPT_DUID 307 |
e759d426 | 119 | #define LOPT_HOST_REC 308 |
61ce600b | 120 | #define LOPT_TFTP_LC 309 |
9f7f3b12 | 121 | #define LOPT_RR 310 |
54dd393f | 122 | #define LOPT_CLVERBIND 311 |
1d860415 | 123 | #define LOPT_MAXCTTL 312 |
4f7b304f SK |
124 | #define LOPT_AUTHZONE 313 |
125 | #define LOPT_AUTHSERV 314 | |
e1ff419c | 126 | #define LOPT_AUTHTTL 315 |
4f7b304f | 127 | #define LOPT_AUTHSOA 316 |
e1ff419c | 128 | #define LOPT_AUTHSFS 317 |
49678767 | 129 | #define LOPT_AUTHPEER 318 |
13d86c73 | 130 | #define LOPT_IPSET 319 |
2bb73af7 | 131 | #define LOPT_SYNTH 320 |
7dbe193b | 132 | #define LOPT_SEC_VALID 321 |
c630924d | 133 | #ifdef OPTION6_PREFIX_CLASS |
7dbe193b | 134 | #define LOPT_PREF_CLSS 322 |
c630924d | 135 | #endif |
8d030462 | 136 | #define LOPT_FAST_RA 322 |
1697269c | 137 | |
7dbe193b | 138 | |
849a8357 SK |
139 | #ifdef HAVE_GETOPT_LONG |
140 | static const struct option opts[] = | |
141 | #else | |
142 | static const struct myoption opts[] = | |
143 | #endif | |
144 | { | |
7622fc06 SK |
145 | { "version", 0, 0, 'v' }, |
146 | { "no-hosts", 0, 0, 'h' }, | |
147 | { "no-poll", 0, 0, 'n' }, | |
148 | { "help", 0, 0, 'w' }, | |
149 | { "no-daemon", 0, 0, 'd' }, | |
150 | { "log-queries", 0, 0, 'q' }, | |
151 | { "user", 2, 0, 'u' }, | |
152 | { "group", 2, 0, 'g' }, | |
153 | { "resolv-file", 2, 0, 'r' }, | |
154 | { "mx-host", 1, 0, 'm' }, | |
155 | { "mx-target", 1, 0, 't' }, | |
156 | { "cache-size", 2, 0, 'c' }, | |
157 | { "port", 1, 0, 'p' }, | |
158 | { "dhcp-leasefile", 2, 0, 'l' }, | |
159 | { "dhcp-lease", 1, 0, 'l' }, | |
160 | { "dhcp-host", 1, 0, 'G' }, | |
161 | { "dhcp-range", 1, 0, 'F' }, | |
162 | { "dhcp-option", 1, 0, 'O' }, | |
163 | { "dhcp-boot", 1, 0, 'M' }, | |
164 | { "domain", 1, 0, 's' }, | |
165 | { "domain-suffix", 1, 0, 's' }, | |
166 | { "interface", 1, 0, 'i' }, | |
167 | { "listen-address", 1, 0, 'a' }, | |
168 | { "bogus-priv", 0, 0, 'b' }, | |
169 | { "bogus-nxdomain", 1, 0, 'B' }, | |
170 | { "selfmx", 0, 0, 'e' }, | |
171 | { "filterwin2k", 0, 0, 'f' }, | |
172 | { "pid-file", 2, 0, 'x' }, | |
173 | { "strict-order", 0, 0, 'o' }, | |
174 | { "server", 1, 0, 'S' }, | |
175 | { "local", 1, 0, LOPT_LOCAL }, | |
176 | { "address", 1, 0, 'A' }, | |
177 | { "conf-file", 2, 0, 'C' }, | |
178 | { "no-resolv", 0, 0, 'R' }, | |
179 | { "expand-hosts", 0, 0, 'E' }, | |
180 | { "localmx", 0, 0, 'L' }, | |
181 | { "local-ttl", 1, 0, 'T' }, | |
182 | { "no-negcache", 0, 0, 'N' }, | |
183 | { "addn-hosts", 1, 0, 'H' }, | |
184 | { "query-port", 1, 0, 'Q' }, | |
185 | { "except-interface", 1, 0, 'I' }, | |
186 | { "no-dhcp-interface", 1, 0, '2' }, | |
187 | { "domain-needed", 0, 0, 'D' }, | |
188 | { "dhcp-lease-max", 1, 0, 'X' }, | |
189 | { "bind-interfaces", 0, 0, 'z' }, | |
190 | { "read-ethers", 0, 0, 'Z' }, | |
191 | { "alias", 1, 0, 'V' }, | |
192 | { "dhcp-vendorclass", 1, 0, 'U' }, | |
193 | { "dhcp-userclass", 1, 0, 'j' }, | |
194 | { "dhcp-ignore", 1, 0, 'J' }, | |
195 | { "edns-packet-max", 1, 0, 'P' }, | |
196 | { "keep-in-foreground", 0, 0, 'k' }, | |
197 | { "dhcp-authoritative", 0, 0, 'K' }, | |
198 | { "srv-host", 1, 0, 'W' }, | |
199 | { "localise-queries", 0, 0, 'y' }, | |
200 | { "txt-record", 1, 0, 'Y' }, | |
9f7f3b12 | 201 | { "dns-rr", 1, 0, LOPT_RR }, |
ad094275 | 202 | { "enable-dbus", 2, 0, '1' }, |
7622fc06 SK |
203 | { "bootp-dynamic", 2, 0, '3' }, |
204 | { "dhcp-mac", 1, 0, '4' }, | |
205 | { "no-ping", 0, 0, '5' }, | |
206 | { "dhcp-script", 1, 0, '6' }, | |
207 | { "conf-dir", 1, 0, '7' }, | |
208 | { "log-facility", 1, 0 ,'8' }, | |
209 | { "leasefile-ro", 0, 0, '9' }, | |
210 | { "dns-forward-max", 1, 0, '0' }, | |
211 | { "clear-on-reload", 0, 0, LOPT_RELOAD }, | |
212 | { "dhcp-ignore-names", 2, 0, LOPT_NO_NAMES }, | |
2937f8a0 | 213 | { "enable-tftp", 2, 0, LOPT_TFTP }, |
7622fc06 SK |
214 | { "tftp-secure", 0, 0, LOPT_SECURE }, |
215 | { "tftp-unique-root", 0, 0, LOPT_APREF }, | |
216 | { "tftp-root", 1, 0, LOPT_PREFIX }, | |
217 | { "tftp-max", 1, 0, LOPT_TFTP_MAX }, | |
61ce600b | 218 | { "tftp-lowercase", 0, 0, LOPT_TFTP_LC }, |
7622fc06 SK |
219 | { "ptr-record", 1, 0, LOPT_PTR }, |
220 | { "naptr-record", 1, 0, LOPT_NAPTR }, | |
221 | { "bridge-interface", 1, 0 , LOPT_BRIDGE }, | |
222 | { "dhcp-option-force", 1, 0, LOPT_FORCE }, | |
223 | { "tftp-no-blocksize", 0, 0, LOPT_NOBLOCK }, | |
224 | { "log-dhcp", 0, 0, LOPT_LOG_OPTS }, | |
225 | { "log-async", 2, 0, LOPT_MAX_LOGS }, | |
226 | { "dhcp-circuitid", 1, 0, LOPT_CIRCUIT }, | |
227 | { "dhcp-remoteid", 1, 0, LOPT_REMOTE }, | |
228 | { "dhcp-subscrid", 1, 0, LOPT_SUBSCR }, | |
229 | { "interface-name", 1, 0, LOPT_INTNAME }, | |
230 | { "dhcp-hostsfile", 1, 0, LOPT_DHCP_HOST }, | |
231 | { "dhcp-optsfile", 1, 0, LOPT_DHCP_OPTS }, | |
232 | { "dhcp-no-override", 0, 0, LOPT_OVERRIDE }, | |
233 | { "tftp-port-range", 1, 0, LOPT_TFTPPORTS }, | |
234 | { "stop-dns-rebind", 0, 0, LOPT_REBIND }, | |
8ef5ada2 | 235 | { "rebind-domain-ok", 1, 0, LOPT_NO_REBIND }, |
7622fc06 SK |
236 | { "all-servers", 0, 0, LOPT_NOLAST }, |
237 | { "dhcp-match", 1, 0, LOPT_MATCH }, | |
8ef5ada2 | 238 | { "dhcp-broadcast", 2, 0, LOPT_BROADCAST }, |
7622fc06 | 239 | { "neg-ttl", 1, 0, LOPT_NEGTTL }, |
8ef5ada2 | 240 | { "max-ttl", 1, 0, LOPT_MAXTTL }, |
1d860415 | 241 | { "max-cache-ttl", 1, 0, LOPT_MAXCTTL }, |
7622fc06 SK |
242 | { "dhcp-alternate-port", 2, 0, LOPT_ALTPORT }, |
243 | { "dhcp-scriptuser", 1, 0, LOPT_SCRIPTUSR }, | |
244 | { "min-port", 1, 0, LOPT_MINPORT }, | |
245 | { "dhcp-fqdn", 0, 0, LOPT_DHCP_FQDN }, | |
246 | { "cname", 1, 0, LOPT_CNAME }, | |
247 | { "pxe-prompt", 1, 0, LOPT_PXE_PROMT }, | |
248 | { "pxe-service", 1, 0, LOPT_PXE_SERV }, | |
249 | { "test", 0, 0, LOPT_TEST }, | |
8ef5ada2 SK |
250 | { "tag-if", 1, 0, LOPT_TAG_IF }, |
251 | { "dhcp-proxy", 2, 0, LOPT_PROXY }, | |
252 | { "dhcp-generate-names", 2, 0, LOPT_GEN_NAMES }, | |
253 | { "rebind-localhost-ok", 0, 0, LOPT_LOC_REBND }, | |
28866e95 | 254 | { "add-mac", 0, 0, LOPT_ADD_MAC }, |
237724c0 | 255 | { "proxy-dnssec", 0, 0, LOPT_SEC_PROXY }, |
7de060b0 SK |
256 | { "dhcp-sequential-ip", 0, 0, LOPT_INCR_ADDR }, |
257 | { "conntrack", 0, 0, LOPT_CONNTRACK }, | |
c72daea8 SK |
258 | { "dhcp-client-update", 0, 0, LOPT_FQDN }, |
259 | { "dhcp-luascript", 1, 0, LOPT_LUASCRIPT }, | |
c5ad4e79 | 260 | { "enable-ra", 0, 0, LOPT_RA }, |
8b372704 | 261 | { "dhcp-duid", 1, 0, LOPT_DUID }, |
e759d426 | 262 | { "host-record", 1, 0, LOPT_HOST_REC }, |
54dd393f | 263 | { "bind-dynamic", 0, 0, LOPT_CLVERBIND }, |
4f7b304f SK |
264 | { "auth-zone", 1, 0, LOPT_AUTHZONE }, |
265 | { "auth-server", 1, 0, LOPT_AUTHSERV }, | |
266 | { "auth-ttl", 1, 0, LOPT_AUTHTTL }, | |
267 | { "auth-soa", 1, 0, LOPT_AUTHSOA }, | |
e1ff419c | 268 | { "auth-sec-servers", 1, 0, LOPT_AUTHSFS }, |
49678767 | 269 | { "auth-peer", 1, 0, LOPT_AUTHPEER }, |
13d86c73 | 270 | { "ipset", 1, 0, LOPT_IPSET }, |
2bb73af7 | 271 | { "synth-domain", 1, 0, LOPT_SYNTH }, |
7dbe193b | 272 | { "dnssec", 0, 0, LOPT_SEC_VALID }, |
c630924d SK |
273 | #ifdef OPTION6_PREFIX_CLASS |
274 | { "dhcp-prefix-class", 1, 0, LOPT_PREF_CLSS }, | |
275 | #endif | |
8d030462 | 276 | { "force-fast-ra", 0, 0, LOPT_FAST_RA }, |
849a8357 SK |
277 | { NULL, 0, 0, 0 } |
278 | }; | |
9e4abcb5 | 279 | |
28866e95 SK |
280 | |
281 | #define ARG_DUP OPT_LAST | |
282 | #define ARG_ONE OPT_LAST + 1 | |
283 | #define ARG_USED_CL OPT_LAST + 2 | |
284 | #define ARG_USED_FILE OPT_LAST + 3 | |
9e4abcb5 | 285 | |
1a6bca81 SK |
286 | static struct { |
287 | int opt; | |
288 | unsigned int rept; | |
289 | char * const flagdesc; | |
b8187c80 SK |
290 | char * const desc; |
291 | char * const arg; | |
292 | } usage[] = { | |
8ecfaa4a SK |
293 | { 'a', ARG_DUP, "<ipaddr>", gettext_noop("Specify local address(es) to listen on."), NULL }, |
294 | { 'A', ARG_DUP, "/<domain>/<ipaddr>", gettext_noop("Return ipaddr for all hosts in specified domains."), NULL }, | |
1a6bca81 | 295 | { 'b', OPT_BOGUSPRIV, NULL, gettext_noop("Fake reverse lookups for RFC1918 private address ranges."), NULL }, |
8ecfaa4a SK |
296 | { 'B', ARG_DUP, "<ipaddr>", gettext_noop("Treat ipaddr as NXDOMAIN (defeats Verisign wildcard)."), NULL }, |
297 | { 'c', ARG_ONE, "<integer>", gettext_noop("Specify the size of the cache in entries (defaults to %s)."), "$" }, | |
298 | { 'C', ARG_DUP, "<path>", gettext_noop("Specify configuration file (defaults to %s)."), CONFFILE }, | |
1a6bca81 SK |
299 | { 'd', OPT_DEBUG, NULL, gettext_noop("Do NOT fork into the background: run in debug mode."), NULL }, |
300 | { 'D', OPT_NODOTS_LOCAL, NULL, gettext_noop("Do NOT forward queries with no domain part."), NULL }, | |
301 | { 'e', OPT_SELFMX, NULL, gettext_noop("Return self-pointing MX records for local hosts."), NULL }, | |
302 | { 'E', OPT_EXPAND, NULL, gettext_noop("Expand simple names in /etc/hosts with domain-suffix."), NULL }, | |
303 | { 'f', OPT_FILTER, NULL, gettext_noop("Don't forward spurious DNS requests from Windows hosts."), NULL }, | |
8ecfaa4a SK |
304 | { 'F', ARG_DUP, "<ipaddr>,...", gettext_noop("Enable DHCP in the range given with lease duration."), NULL }, |
305 | { 'g', ARG_ONE, "<groupname>", gettext_noop("Change to this group after startup (defaults to %s)."), CHGRP }, | |
1a6bca81 | 306 | { 'G', ARG_DUP, "<hostspec>", gettext_noop("Set address or hostname for a specified machine."), NULL }, |
8ecfaa4a SK |
307 | { LOPT_DHCP_HOST, ARG_DUP, "<path>", gettext_noop("Read DHCP host specs from file."), NULL }, |
308 | { LOPT_DHCP_OPTS, ARG_DUP, "<path>", gettext_noop("Read DHCP option specs from file."), NULL }, | |
8ef5ada2 | 309 | { LOPT_TAG_IF, ARG_DUP, "tag-expression", gettext_noop("Evaluate conditional tag expression."), NULL }, |
1a6bca81 | 310 | { 'h', OPT_NO_HOSTS, NULL, gettext_noop("Do NOT load %s file."), HOSTSFILE }, |
8ecfaa4a SK |
311 | { 'H', ARG_DUP, "<path>", gettext_noop("Specify a hosts file to be read in addition to %s."), HOSTSFILE }, |
312 | { 'i', ARG_DUP, "<interface>", gettext_noop("Specify interface(s) to listen on."), NULL }, | |
313 | { 'I', ARG_DUP, "<interface>", gettext_noop("Specify interface(s) NOT to listen on.") , NULL }, | |
8ef5ada2 SK |
314 | { 'j', ARG_DUP, "set:<tag>,<class>", gettext_noop("Map DHCP user class to tag."), NULL }, |
315 | { LOPT_CIRCUIT, ARG_DUP, "set:<tag>,<circuit>", gettext_noop("Map RFC3046 circuit-id to tag."), NULL }, | |
316 | { LOPT_REMOTE, ARG_DUP, "set:<tag>,<remote>", gettext_noop("Map RFC3046 remote-id to tag."), NULL }, | |
317 | { LOPT_SUBSCR, ARG_DUP, "set:<tag>,<remote>", gettext_noop("Map RFC3993 subscriber-id to tag."), NULL }, | |
318 | { 'J', ARG_DUP, "tag:<tag>...", gettext_noop("Don't do DHCP for hosts with tag set."), NULL }, | |
319 | { LOPT_BROADCAST, ARG_DUP, "[=tag:<tag>...]", gettext_noop("Force broadcast replies for hosts with tag set."), NULL }, | |
1a6bca81 SK |
320 | { 'k', OPT_NO_FORK, NULL, gettext_noop("Do NOT fork into the background, do NOT run in debug mode."), NULL }, |
321 | { 'K', OPT_AUTHORITATIVE, NULL, gettext_noop("Assume we are the only DHCP server on the local network."), NULL }, | |
8ecfaa4a | 322 | { 'l', ARG_ONE, "<path>", gettext_noop("Specify where to store DHCP leases (defaults to %s)."), LEASEFILE }, |
1a6bca81 | 323 | { 'L', OPT_LOCALMX, NULL, gettext_noop("Return MX records for local hosts."), NULL }, |
8ecfaa4a | 324 | { 'm', ARG_DUP, "<host_name>,<target>,<pref>", gettext_noop("Specify an MX record."), NULL }, |
1a6bca81 SK |
325 | { 'M', ARG_DUP, "<bootp opts>", gettext_noop("Specify BOOTP options to DHCP server."), NULL }, |
326 | { 'n', OPT_NO_POLL, NULL, gettext_noop("Do NOT poll %s file, reload only on SIGHUP."), RESOLVFILE }, | |
327 | { 'N', OPT_NO_NEG, NULL, gettext_noop("Do NOT cache failed search results."), NULL }, | |
328 | { 'o', OPT_ORDER, NULL, gettext_noop("Use nameservers strictly in the order given in %s."), RESOLVFILE }, | |
329 | { 'O', ARG_DUP, "<optspec>", gettext_noop("Specify options to be sent to DHCP clients."), NULL }, | |
330 | { LOPT_FORCE, ARG_DUP, "<optspec>", gettext_noop("DHCP option sent even if the client does not request it."), NULL}, | |
8ecfaa4a SK |
331 | { 'p', ARG_ONE, "<integer>", gettext_noop("Specify port to listen for DNS requests on (defaults to 53)."), NULL }, |
332 | { 'P', ARG_ONE, "<integer>", gettext_noop("Maximum supported UDP packet size for EDNS.0 (defaults to %s)."), "*" }, | |
1a6bca81 | 333 | { 'q', OPT_LOG, NULL, gettext_noop("Log DNS queries."), NULL }, |
8ecfaa4a | 334 | { 'Q', ARG_ONE, "<integer>", gettext_noop("Force the originating port for upstream DNS queries."), NULL }, |
1a6bca81 | 335 | { 'R', OPT_NO_RESOLV, NULL, gettext_noop("Do NOT read resolv.conf."), NULL }, |
8ecfaa4a SK |
336 | { 'r', ARG_DUP, "<path>", gettext_noop("Specify path to resolv.conf (defaults to %s)."), RESOLVFILE }, |
337 | { 'S', ARG_DUP, "/<domain>/<ipaddr>", gettext_noop("Specify address(es) of upstream servers with optional domains."), NULL }, | |
338 | { LOPT_LOCAL, ARG_DUP, "/<domain>/", gettext_noop("Never forward queries to specified domains."), NULL }, | |
9009d746 | 339 | { 's', ARG_DUP, "<domain>[,<range>]", gettext_noop("Specify the domain to be assigned in DHCP leases."), NULL }, |
8ecfaa4a SK |
340 | { 't', ARG_ONE, "<host_name>", gettext_noop("Specify default target in an MX record."), NULL }, |
341 | { 'T', ARG_ONE, "<integer>", gettext_noop("Specify time-to-live in seconds for replies from /etc/hosts."), NULL }, | |
342 | { LOPT_NEGTTL, ARG_ONE, "<integer>", gettext_noop("Specify time-to-live in seconds for negative caching."), NULL }, | |
343 | { LOPT_MAXTTL, ARG_ONE, "<integer>", gettext_noop("Specify time-to-live in seconds for maximum TTL to send to clients."), NULL }, | |
344 | { 'u', ARG_ONE, "<username>", gettext_noop("Change to this user after startup. (defaults to %s)."), CHUSER }, | |
8ef5ada2 | 345 | { 'U', ARG_DUP, "set:<tag>,<class>", gettext_noop("Map DHCP vendor class to tag."), NULL }, |
1a6bca81 | 346 | { 'v', 0, NULL, gettext_noop("Display dnsmasq version and copyright information."), NULL }, |
8ecfaa4a SK |
347 | { 'V', ARG_DUP, "<ipaddr>,<ipaddr>,<netmask>", gettext_noop("Translate IPv4 addresses from upstream servers."), NULL }, |
348 | { 'W', ARG_DUP, "<name>,<target>,...", gettext_noop("Specify a SRV record."), NULL }, | |
1a6bca81 | 349 | { 'w', 0, NULL, gettext_noop("Display this message. Use --help dhcp for known DHCP options."), NULL }, |
8ecfaa4a SK |
350 | { 'x', ARG_ONE, "<path>", gettext_noop("Specify path of PID file (defaults to %s)."), RUNFILE }, |
351 | { 'X', ARG_ONE, "<integer>", gettext_noop("Specify maximum number of DHCP leases (defaults to %s)."), "&" }, | |
1a6bca81 | 352 | { 'y', OPT_LOCALISE, NULL, gettext_noop("Answer DNS queries based on the interface a query was sent to."), NULL }, |
8ecfaa4a SK |
353 | { 'Y', ARG_DUP, "<name>,<txt>[,<txt]", gettext_noop("Specify TXT DNS record."), NULL }, |
354 | { LOPT_PTR, ARG_DUP, "<name>,<target>", gettext_noop("Specify PTR DNS record."), NULL }, | |
355 | { LOPT_INTNAME, ARG_DUP, "<name>,<interface>", gettext_noop("Give DNS name to IPv4 address of interface."), NULL }, | |
1a6bca81 SK |
356 | { 'z', OPT_NOWILD, NULL, gettext_noop("Bind only to interfaces in use."), NULL }, |
357 | { 'Z', OPT_ETHERS, NULL, gettext_noop("Read DHCP static host information from %s."), ETHERSFILE }, | |
ad094275 | 358 | { '1', ARG_ONE, "[=<busname>]", gettext_noop("Enable the DBus interface for setting upstream servers, etc."), NULL }, |
8ecfaa4a | 359 | { '2', ARG_DUP, "<interface>", gettext_noop("Do not provide DHCP on this interface, only provide DNS."), NULL }, |
8ef5ada2 SK |
360 | { '3', ARG_DUP, "[=tag:<tag>]...", gettext_noop("Enable dynamic address allocation for bootp."), NULL }, |
361 | { '4', ARG_DUP, "set:<tag>,<mac address>", gettext_noop("Map MAC address (with wildcards) to option set."), NULL }, | |
8ecfaa4a | 362 | { LOPT_BRIDGE, ARG_DUP, "<iface>,<alias>..", gettext_noop("Treat DHCP requests on aliases as arriving from interface."), NULL }, |
1a6bca81 | 363 | { '5', OPT_NO_PING, NULL, gettext_noop("Disable ICMP echo address checking in the DHCP server."), NULL }, |
8ecfaa4a SK |
364 | { '6', ARG_ONE, "<path>", gettext_noop("Shell script to run on DHCP lease creation and destruction."), NULL }, |
365 | { LOPT_LUASCRIPT, ARG_DUP, "path", gettext_noop("Lua script to run on DHCP lease creation and destruction."), NULL }, | |
366 | { LOPT_SCRIPTUSR, ARG_ONE, "<username>", gettext_noop("Run lease-change scripts as this user."), NULL }, | |
367 | { '7', ARG_DUP, "<path>", gettext_noop("Read configuration from all the files in this directory."), NULL }, | |
1a6bca81 SK |
368 | { '8', ARG_ONE, "<facilty>|<file>", gettext_noop("Log to this syslog facility or file. (defaults to DAEMON)"), NULL }, |
369 | { '9', OPT_LEASE_RO, NULL, gettext_noop("Do not use leasefile."), NULL }, | |
8ecfaa4a | 370 | { '0', ARG_ONE, "<integer>", gettext_noop("Maximum number of concurrent DNS queries. (defaults to %s)"), "!" }, |
1a6bca81 | 371 | { LOPT_RELOAD, OPT_RELOAD, NULL, gettext_noop("Clear DNS cache when reloading %s."), RESOLVFILE }, |
8ef5ada2 | 372 | { LOPT_NO_NAMES, ARG_DUP, "[=tag:<tag>]...", gettext_noop("Ignore hostnames provided by DHCP clients."), NULL }, |
1a6bca81 | 373 | { LOPT_OVERRIDE, OPT_NO_OVERRIDE, NULL, gettext_noop("Do NOT reuse filename and server fields for extra DHCP options."), NULL }, |
2937f8a0 | 374 | { LOPT_TFTP, ARG_DUP, "[=<intr>[,<intr>]]", gettext_noop("Enable integrated read-only TFTP server."), NULL }, |
8b3ae2fd | 375 | { LOPT_PREFIX, ARG_DUP, "<dir>[,<iface>]", gettext_noop("Export files by TFTP only from the specified subtree."), NULL }, |
1a6bca81 SK |
376 | { LOPT_APREF, OPT_TFTP_APREF, NULL, gettext_noop("Add client IP address to tftp-root."), NULL }, |
377 | { LOPT_SECURE, OPT_TFTP_SECURE, NULL, gettext_noop("Allow access only to files owned by the user running dnsmasq."), NULL }, | |
8ecfaa4a | 378 | { LOPT_TFTP_MAX, ARG_ONE, "<integer>", gettext_noop("Maximum number of conncurrent TFTP transfers (defaults to %s)."), "#" }, |
1a6bca81 | 379 | { LOPT_NOBLOCK, OPT_TFTP_NOBLOCK, NULL, gettext_noop("Disable the TFTP blocksize extension."), NULL }, |
61ce600b | 380 | { LOPT_TFTP_LC, OPT_TFTP_LC, NULL, gettext_noop("Convert TFTP filenames to lowercase"), NULL }, |
1a6bca81 SK |
381 | { LOPT_TFTPPORTS, ARG_ONE, "<start>,<end>", gettext_noop("Ephemeral port range for use by TFTP transfers."), NULL }, |
382 | { LOPT_LOG_OPTS, OPT_LOG_OPTS, NULL, gettext_noop("Extra logging for DHCP."), NULL }, | |
8ecfaa4a | 383 | { LOPT_MAX_LOGS, ARG_ONE, "[=<integer>]", gettext_noop("Enable async. logging; optionally set queue length."), NULL }, |
1a6bca81 | 384 | { LOPT_REBIND, OPT_NO_REBIND, NULL, gettext_noop("Stop DNS rebinding. Filter private IP ranges when resolving."), NULL }, |
8ef5ada2 | 385 | { LOPT_LOC_REBND, OPT_LOCAL_REBIND, NULL, gettext_noop("Allow rebinding of 127.0.0.0/8, for RBL servers."), NULL }, |
8ecfaa4a | 386 | { LOPT_NO_REBIND, ARG_DUP, "/<domain>/", gettext_noop("Inhibit DNS-rebind protection on this domain."), NULL }, |
1a6bca81 | 387 | { LOPT_NOLAST, OPT_ALL_SERVERS, NULL, gettext_noop("Always perform DNS queries to all servers."), NULL }, |
8ef5ada2 | 388 | { LOPT_MATCH, ARG_DUP, "set:<tag>,<optspec>", gettext_noop("Set tag if client includes matching option in request."), NULL }, |
1a6bca81 | 389 | { LOPT_ALTPORT, ARG_ONE, "[=<ports>]", gettext_noop("Use alternative ports for DHCP."), NULL }, |
1a6bca81 SK |
390 | { LOPT_NAPTR, ARG_DUP, "<name>,<naptr>", gettext_noop("Specify NAPTR DNS record."), NULL }, |
391 | { LOPT_MINPORT, ARG_ONE, "<port>", gettext_noop("Specify lowest port available for DNS query transmission."), NULL }, | |
9009d746 | 392 | { LOPT_DHCP_FQDN, OPT_DHCP_FQDN, NULL, gettext_noop("Use only fully qualified domain names for DHCP clients."), NULL }, |
8ecfaa4a SK |
393 | { LOPT_GEN_NAMES, ARG_DUP, "[=tag:<tag>]", gettext_noop("Generate hostnames based on MAC address for nameless clients."), NULL}, |
394 | { LOPT_PROXY, ARG_DUP, "[=<ipaddr>]...", gettext_noop("Use these DHCP relays as full proxies."), NULL }, | |
9009d746 | 395 | { LOPT_CNAME, ARG_DUP, "<alias>,<target>", gettext_noop("Specify alias name for LOCAL DNS name."), NULL }, |
7622fc06 SK |
396 | { LOPT_PXE_PROMT, ARG_DUP, "<prompt>,[<timeout>]", gettext_noop("Prompt to send to PXE clients."), NULL }, |
397 | { LOPT_PXE_SERV, ARG_DUP, "<service>", gettext_noop("Boot service for PXE menu."), NULL }, | |
398 | { LOPT_TEST, 0, NULL, gettext_noop("Check configuration syntax."), NULL }, | |
7de060b0 | 399 | { LOPT_ADD_MAC, OPT_ADD_MAC, NULL, gettext_noop("Add requestor's MAC address to forwarded DNS queries."), NULL }, |
237724c0 | 400 | { LOPT_SEC_PROXY, OPT_DNSSEC_PROXY, NULL, gettext_noop("Proxy DNSSEC validation results from upstream nameservers."), NULL }, |
7de060b0 SK |
401 | { LOPT_INCR_ADDR, OPT_CONSEC_ADDR, NULL, gettext_noop("Attempt to allocate sequential IP addresses to DHCP clients."), NULL }, |
402 | { LOPT_CONNTRACK, OPT_CONNTRACK, NULL, gettext_noop("Copy connection-track mark from queries to upstream connections."), NULL }, | |
c72daea8 | 403 | { LOPT_FQDN, OPT_FQDN_UPDATE, NULL, gettext_noop("Allow DHCP clients to do their own DDNS updates."), NULL }, |
c5ad4e79 | 404 | { LOPT_RA, OPT_RA, NULL, gettext_noop("Send router-advertisements for interfaces doing DHCPv6"), NULL }, |
8d030462 | 405 | { LOPT_FAST_RA, OPT_FAST_RA, NULL, gettext_noop("Always send frequent router-advertisements"), NULL }, |
8b372704 | 406 | { LOPT_DUID, ARG_ONE, "<enterprise>,<duid>", gettext_noop("Specify DUID_EN-type DHCPv6 server DUID"), NULL }, |
e759d426 | 407 | { LOPT_HOST_REC, ARG_DUP, "<name>,<address>", gettext_noop("Specify host (A/AAAA and PTR) records"), NULL }, |
9f7f3b12 | 408 | { LOPT_RR, ARG_DUP, "<name>,<RR-number>,[<data>]", gettext_noop("Specify arbitrary DNS resource record"), NULL }, |
4f7b304f | 409 | { LOPT_CLVERBIND, OPT_CLEVERBIND, NULL, gettext_noop("Bind to interfaces in use - check for new interfaces"), NULL }, |
86e3b9a0 | 410 | { LOPT_AUTHSERV, ARG_ONE, "<NS>,<interface>", gettext_noop("Export local names to global DNS"), NULL }, |
333b2ceb | 411 | { LOPT_AUTHZONE, ARG_DUP, "<domain>,[<subnet>...]", gettext_noop("Domain to export to global DNS"), NULL }, |
4f7b304f SK |
412 | { LOPT_AUTHTTL, ARG_ONE, "<integer>", gettext_noop("Set TTL for authoritative replies"), NULL }, |
413 | { LOPT_AUTHSOA, ARG_ONE, "<serial>[,...]", gettext_noop("Set authoritive zone information"), NULL }, | |
49678767 SK |
414 | { LOPT_AUTHSFS, ARG_DUP, "<NS>[,<NS>...]", gettext_noop("Secondary authoritative nameservers for forward domains"), NULL }, |
415 | { LOPT_AUTHPEER, ARG_DUP, "<ipaddr>[,<ipaddr>...]", gettext_noop("Peers which are allowed to do zone transfer"), NULL }, | |
13d86c73 | 416 | { LOPT_IPSET, ARG_DUP, "/<domain>/<ipset>[,<ipset>...]", gettext_noop("Specify ipsets to which matching domains should be added"), NULL }, |
48fd1c4d | 417 | { LOPT_SYNTH, ARG_DUP, "<domain>,<range>,[<prefix>]", gettext_noop("Specify a domain and address range for sythesised names"), NULL }, |
7dbe193b GB |
418 | #ifdef HAVE_DNSSEC |
419 | { LOPT_SEC_VALID, OPT_DNSSEC_VALIDATE, NULL, gettext_noop("Activate DNSSEC validation"), NULL }, | |
420 | #endif | |
c630924d SK |
421 | #ifdef OPTION6_PREFIX_CLASS |
422 | { LOPT_PREF_CLSS, ARG_DUP, "set:tag,<class>", gettext_noop("Specify DHCPv6 prefix class"), NULL }, | |
423 | #endif | |
1a6bca81 | 424 | { 0, 0, NULL, NULL, NULL } |
b8187c80 | 425 | }; |
9e4abcb5 | 426 | |
3d8df260 | 427 | /* We hide metacharaters in quoted strings by mapping them into the ASCII control |
f2621c7f | 428 | character space. Note that the \0, \t \b \r \033 and \n characters are carefully placed in the |
3d8df260 SK |
429 | following sequence so that they map to themselves: it is therefore possible to call |
430 | unhide_metas repeatedly on string without breaking things. | |
824af85b | 431 | The transformation gets undone by opt_canonicalise, atoi_check and opt_string_alloc, and a |
f2621c7f SK |
432 | couple of other places. |
433 | Note that space is included here so that | |
434 | --dhcp-option=3, string | |
435 | has five characters, whilst | |
436 | --dhcp-option=3," string" | |
437 | has six. | |
438 | */ | |
3d8df260 | 439 | |
f2621c7f | 440 | static const char meta[] = "\000123456 \b\t\n78\r90abcdefABCDE\033F:,."; |
3d8df260 SK |
441 | |
442 | static char hide_meta(char c) | |
443 | { | |
444 | unsigned int i; | |
445 | ||
446 | for (i = 0; i < (sizeof(meta) - 1); i++) | |
447 | if (c == meta[i]) | |
448 | return (char)i; | |
449 | ||
450 | return c; | |
451 | } | |
452 | ||
453 | static char unhide_meta(char cr) | |
454 | { | |
455 | unsigned int c = cr; | |
456 | ||
457 | if (c < (sizeof(meta) - 1)) | |
458 | cr = meta[c]; | |
459 | ||
460 | return cr; | |
461 | } | |
462 | ||
463 | static void unhide_metas(char *cp) | |
464 | { | |
465 | if (cp) | |
466 | for(; *cp; cp++) | |
467 | *cp = unhide_meta(*cp); | |
468 | } | |
469 | ||
824af85b SK |
470 | static void *opt_malloc(size_t size) |
471 | { | |
472 | void *ret; | |
473 | ||
474 | if (mem_recover) | |
475 | { | |
476 | ret = whine_malloc(size); | |
477 | if (!ret) | |
478 | longjmp(mem_jmp, 1); | |
479 | } | |
480 | else | |
481 | ret = safe_malloc(size); | |
482 | ||
483 | return ret; | |
484 | } | |
485 | ||
486 | static char *opt_string_alloc(char *cp) | |
3d8df260 SK |
487 | { |
488 | char *ret = NULL; | |
489 | ||
490 | if (cp && strlen(cp) != 0) | |
491 | { | |
824af85b | 492 | ret = opt_malloc(strlen(cp)+1); |
3d8df260 SK |
493 | strcpy(ret, cp); |
494 | ||
495 | /* restore hidden metachars */ | |
496 | unhide_metas(ret); | |
497 | } | |
498 | ||
499 | return ret; | |
500 | } | |
501 | ||
f2621c7f SK |
502 | |
503 | /* find next comma, split string with zero and eliminate spaces. | |
504 | return start of string following comma */ | |
73a08a24 SK |
505 | |
506 | static char *split_chr(char *s, char c) | |
3d8df260 | 507 | { |
f2621c7f | 508 | char *comma, *p; |
3d8df260 | 509 | |
73a08a24 | 510 | if (!s || !(comma = strchr(s, c))) |
f2621c7f SK |
511 | return NULL; |
512 | ||
513 | p = comma; | |
514 | *comma = ' '; | |
515 | ||
8ef5ada2 | 516 | for (; *comma == ' '; comma++); |
f2621c7f | 517 | |
8ef5ada2 | 518 | for (; (p >= s) && *p == ' '; p--) |
f2621c7f SK |
519 | *p = 0; |
520 | ||
521 | return comma; | |
3d8df260 SK |
522 | } |
523 | ||
73a08a24 SK |
524 | static char *split(char *s) |
525 | { | |
526 | return split_chr(s, ','); | |
527 | } | |
528 | ||
1f15b81d | 529 | static char *canonicalise_opt(char *s) |
3d8df260 | 530 | { |
1f15b81d SK |
531 | char *ret; |
532 | int nomem; | |
533 | ||
3d8df260 SK |
534 | if (!s) |
535 | return 0; | |
536 | ||
537 | unhide_metas(s); | |
1f15b81d SK |
538 | if (!(ret = canonicalise(s, &nomem)) && nomem) |
539 | { | |
540 | if (mem_recover) | |
541 | longjmp(mem_jmp, 1); | |
542 | else | |
543 | die(_("could not get memory"), NULL, EC_NOMEM); | |
544 | } | |
545 | ||
546 | return ret; | |
3d8df260 SK |
547 | } |
548 | ||
549 | static int atoi_check(char *a, int *res) | |
550 | { | |
551 | char *p; | |
552 | ||
553 | if (!a) | |
554 | return 0; | |
555 | ||
556 | unhide_metas(a); | |
557 | ||
558 | for (p = a; *p; p++) | |
559 | if (*p < '0' || *p > '9') | |
560 | return 0; | |
561 | ||
562 | *res = atoi(a); | |
563 | return 1; | |
564 | } | |
565 | ||
1ad24ae1 SK |
566 | static int atoi_check16(char *a, int *res) |
567 | { | |
568 | if (!(atoi_check(a, res)) || | |
569 | *res < 0 || | |
570 | *res > 0xffff) | |
571 | return 0; | |
572 | ||
573 | return 1; | |
574 | } | |
575 | ||
5aabfc78 | 576 | static void add_txt(char *name, char *txt) |
0a852541 SK |
577 | { |
578 | size_t len = strlen(txt); | |
824af85b | 579 | struct txt_record *r = opt_malloc(sizeof(struct txt_record)); |
0a852541 | 580 | |
824af85b | 581 | r->name = opt_string_alloc(name); |
0a852541 SK |
582 | r->next = daemon->txt; |
583 | daemon->txt = r; | |
584 | r->class = C_CHAOS; | |
824af85b | 585 | r->txt = opt_malloc(len+1); |
0a852541 SK |
586 | r->len = len+1; |
587 | *(r->txt) = len; | |
588 | memcpy((r->txt)+1, txt, len); | |
589 | } | |
9e4abcb5 | 590 | |
849a8357 | 591 | static void do_usage(void) |
9e4abcb5 | 592 | { |
849a8357 | 593 | char buff[100]; |
832af0ba SK |
594 | int i, j; |
595 | ||
596 | struct { | |
597 | char handle; | |
598 | int val; | |
599 | } tab[] = { | |
600 | { '$', CACHESIZ }, | |
601 | { '*', EDNS_PKTSZ }, | |
602 | { '&', MAXLEASES }, | |
603 | { '!', FTABSIZ }, | |
604 | { '#', TFTP_MAX_CONNECTIONS }, | |
605 | { '\0', 0 } | |
606 | }; | |
0a852541 | 607 | |
849a8357 SK |
608 | printf(_("Usage: dnsmasq [options]\n\n")); |
609 | #ifndef HAVE_GETOPT_LONG | |
610 | printf(_("Use short options only on the command line.\n")); | |
611 | #endif | |
1a6bca81 | 612 | printf(_("Valid options are:\n")); |
3be34541 | 613 | |
1a6bca81 | 614 | for (i = 0; usage[i].opt != 0; i++) |
9e4abcb5 | 615 | { |
1a6bca81 SK |
616 | char *desc = usage[i].flagdesc; |
617 | char *eq = "="; | |
618 | ||
619 | if (!desc || *desc == '[') | |
620 | eq = ""; | |
621 | ||
622 | if (!desc) | |
623 | desc = ""; | |
624 | ||
625 | for ( j = 0; opts[j].name; j++) | |
626 | if (opts[j].val == usage[i].opt) | |
627 | break; | |
628 | if (usage[i].opt < 256) | |
629 | sprintf(buff, "-%c, ", usage[i].opt); | |
630 | else | |
631 | sprintf(buff, " "); | |
632 | ||
633 | sprintf(buff+4, "--%s%s%s", opts[j].name, eq, desc); | |
8ef5ada2 | 634 | printf("%-40.40s", buff); |
1a6bca81 | 635 | |
849a8357 | 636 | if (usage[i].arg) |
0a852541 | 637 | { |
832af0ba SK |
638 | strcpy(buff, usage[i].arg); |
639 | for (j = 0; tab[j].handle; j++) | |
640 | if (tab[j].handle == *(usage[i].arg)) | |
641 | sprintf(buff, "%d", tab[j].val); | |
0a852541 | 642 | } |
849a8357 SK |
643 | printf(_(usage[i].desc), buff); |
644 | printf("\n"); | |
645 | } | |
646 | } | |
0a852541 | 647 | |
c740e4f3 SK |
648 | #define ret_err(x) do { strcpy(errstr, (x)); return 0; } while (0) |
649 | ||
faafb3f7 SK |
650 | char *parse_server(char *arg, union mysockaddr *addr, union mysockaddr *source_addr, char *interface, int *flags) |
651 | { | |
652 | int source_port = 0, serv_port = NAMESERVER_PORT; | |
653 | char *portno, *source; | |
654 | #ifdef HAVE_IPV6 | |
655 | int scope_index = 0; | |
656 | char *scope_id; | |
657 | #endif | |
658 | ||
659 | if ((source = split_chr(arg, '@')) && /* is there a source. */ | |
660 | (portno = split_chr(source, '#')) && | |
661 | !atoi_check16(portno, &source_port)) | |
662 | return _("bad port"); | |
663 | ||
664 | if ((portno = split_chr(arg, '#')) && /* is there a port no. */ | |
665 | !atoi_check16(portno, &serv_port)) | |
666 | return _("bad port"); | |
667 | ||
668 | #ifdef HAVE_IPV6 | |
669 | scope_id = split_chr(arg, '%'); | |
670 | #endif | |
671 | ||
ddd9a6b4 | 672 | if (inet_pton(AF_INET, arg, &addr->in.sin_addr) > 0) |
faafb3f7 SK |
673 | { |
674 | addr->in.sin_port = htons(serv_port); | |
675 | addr->sa.sa_family = source_addr->sa.sa_family = AF_INET; | |
676 | #ifdef HAVE_SOCKADDR_SA_LEN | |
677 | source_addr->in.sin_len = addr->in.sin_len = sizeof(struct sockaddr_in); | |
678 | #endif | |
679 | source_addr->in.sin_addr.s_addr = INADDR_ANY; | |
680 | source_addr->in.sin_port = htons(daemon->query_port); | |
681 | ||
682 | if (source) | |
683 | { | |
684 | if (flags) | |
685 | *flags |= SERV_HAS_SOURCE; | |
686 | source_addr->in.sin_port = htons(source_port); | |
ddd9a6b4 | 687 | if (!(inet_pton(AF_INET, source, &source_addr->in.sin_addr) > 0)) |
faafb3f7 SK |
688 | { |
689 | #if defined(SO_BINDTODEVICE) | |
690 | source_addr->in.sin_addr.s_addr = INADDR_ANY; | |
691 | strncpy(interface, source, IF_NAMESIZE - 1); | |
692 | #else | |
693 | return _("interface binding not supported"); | |
694 | #endif | |
695 | } | |
696 | } | |
697 | } | |
698 | #ifdef HAVE_IPV6 | |
699 | else if (inet_pton(AF_INET6, arg, &addr->in6.sin6_addr) > 0) | |
700 | { | |
701 | if (scope_id && (scope_index = if_nametoindex(scope_id)) == 0) | |
702 | return _("bad interface name"); | |
703 | ||
704 | addr->in6.sin6_port = htons(serv_port); | |
705 | addr->in6.sin6_scope_id = scope_index; | |
706 | source_addr->in6.sin6_addr = in6addr_any; | |
707 | source_addr->in6.sin6_port = htons(daemon->query_port); | |
708 | source_addr->in6.sin6_scope_id = 0; | |
709 | addr->sa.sa_family = source_addr->sa.sa_family = AF_INET6; | |
710 | addr->in6.sin6_flowinfo = source_addr->in6.sin6_flowinfo = 0; | |
711 | #ifdef HAVE_SOCKADDR_SA_LEN | |
712 | addr->in6.sin6_len = source_addr->in6.sin6_len = sizeof(addr->in6); | |
713 | #endif | |
714 | if (source) | |
715 | { | |
716 | if (flags) | |
717 | *flags |= SERV_HAS_SOURCE; | |
718 | source_addr->in6.sin6_port = htons(source_port); | |
719 | if (inet_pton(AF_INET6, source, &source_addr->in6.sin6_addr) == 0) | |
720 | { | |
721 | #if defined(SO_BINDTODEVICE) | |
722 | source_addr->in6.sin6_addr = in6addr_any; | |
723 | strncpy(interface, source, IF_NAMESIZE - 1); | |
724 | #else | |
725 | return _("interface binding not supported"); | |
726 | #endif | |
727 | } | |
728 | } | |
729 | } | |
730 | #endif | |
731 | else | |
732 | return _("bad address"); | |
733 | ||
734 | return NULL; | |
735 | } | |
736 | ||
b5a8dd1d SK |
737 | #ifdef HAVE_DHCP |
738 | ||
739 | static int is_tag_prefix(char *arg) | |
740 | { | |
741 | if (arg && (strstr(arg, "net:") == arg || strstr(arg, "tag:") == arg)) | |
742 | return 1; | |
743 | ||
744 | return 0; | |
745 | } | |
746 | ||
747 | static char *set_prefix(char *arg) | |
748 | { | |
749 | if (strstr(arg, "set:") == arg) | |
750 | return arg+4; | |
751 | ||
752 | return arg; | |
753 | } | |
754 | ||
832af0ba | 755 | /* This is too insanely large to keep in-line in the switch */ |
c4a7f90e | 756 | static int parse_dhcp_opt(char *errstr, char *arg, int flags) |
832af0ba | 757 | { |
824af85b | 758 | struct dhcp_opt *new = opt_malloc(sizeof(struct dhcp_opt)); |
832af0ba | 759 | char lenchar = 0, *cp; |
40ef23b5 | 760 | int addrs, digs, is_addr, is_addr6, is_hex, is_dec, is_string, dots; |
c4a7f90e | 761 | char *comma = NULL; |
f2621c7f | 762 | struct dhcp_netid *np = NULL; |
4cb1b320 SK |
763 | u16 opt_len = 0; |
764 | int is6 = 0; | |
bd08ae67 | 765 | int option_ok = 0; |
832af0ba SK |
766 | |
767 | new->len = 0; | |
824af85b | 768 | new->flags = flags; |
832af0ba SK |
769 | new->netid = NULL; |
770 | new->val = NULL; | |
f2621c7f | 771 | new->opt = 0; |
832af0ba | 772 | |
f2621c7f | 773 | while (arg) |
832af0ba | 774 | { |
f2621c7f SK |
775 | comma = split(arg); |
776 | ||
777 | for (cp = arg; *cp; cp++) | |
778 | if (*cp < '0' || *cp > '9') | |
779 | break; | |
832af0ba | 780 | |
f2621c7f SK |
781 | if (!*cp) |
782 | { | |
783 | new->opt = atoi(arg); | |
784 | opt_len = 0; | |
bd08ae67 | 785 | option_ok = 1; |
832af0ba | 786 | break; |
f2621c7f SK |
787 | } |
788 | ||
789 | if (strstr(arg, "option:") == arg) | |
790 | { | |
bd08ae67 SK |
791 | if ((new->opt = lookup_dhcp_opt(AF_INET, arg+7)) != -1) |
792 | { | |
793 | opt_len = lookup_dhcp_len(AF_INET, new->opt); | |
794 | /* option:<optname> must follow tag and vendor string. */ | |
795 | if (!(opt_len & OT_INTERNAL) || flags == DHOPT_MATCH) | |
796 | option_ok = 1; | |
797 | } | |
f2621c7f SK |
798 | break; |
799 | } | |
4cb1b320 SK |
800 | #ifdef HAVE_DHCP6 |
801 | else if (strstr(arg, "option6:") == arg) | |
802 | { | |
803 | for (cp = arg+8; *cp; cp++) | |
804 | if (*cp < '0' || *cp > '9') | |
805 | break; | |
806 | ||
807 | if (!*cp) | |
808 | { | |
809 | new->opt = atoi(arg+8); | |
810 | opt_len = 0; | |
bd08ae67 | 811 | option_ok = 1; |
4cb1b320 SK |
812 | } |
813 | else | |
40ef23b5 | 814 | { |
bd08ae67 SK |
815 | if ((new->opt = lookup_dhcp_opt(AF_INET6, arg+8)) != -1) |
816 | { | |
817 | opt_len = lookup_dhcp_len(AF_INET6, new->opt); | |
818 | if (!(opt_len & OT_INTERNAL) || flags == DHOPT_MATCH) | |
819 | option_ok = 1; | |
820 | } | |
40ef23b5 | 821 | } |
4cb1b320 SK |
822 | /* option6:<opt>|<optname> must follow tag and vendor string. */ |
823 | is6 = 1; | |
824 | break; | |
825 | } | |
826 | #endif | |
f2621c7f SK |
827 | else if (strstr(arg, "vendor:") == arg) |
828 | { | |
73a08a24 SK |
829 | new->u.vendor_class = (unsigned char *)opt_string_alloc(arg+7); |
830 | new->flags |= DHOPT_VENDOR; | |
831 | } | |
832 | else if (strstr(arg, "encap:") == arg) | |
833 | { | |
834 | new->u.encap = atoi(arg+6); | |
f2621c7f SK |
835 | new->flags |= DHOPT_ENCAPSULATE; |
836 | } | |
316e2730 SK |
837 | else if (strstr(arg, "vi-encap:") == arg) |
838 | { | |
839 | new->u.encap = atoi(arg+9); | |
840 | new->flags |= DHOPT_RFC3925; | |
841 | if (flags == DHOPT_MATCH) | |
842 | { | |
bd08ae67 | 843 | option_ok = 1; |
316e2730 SK |
844 | break; |
845 | } | |
846 | } | |
f2621c7f SK |
847 | else |
848 | { | |
824af85b | 849 | new->netid = opt_malloc(sizeof (struct dhcp_netid)); |
8ef5ada2 SK |
850 | /* allow optional "net:" or "tag:" for consistency */ |
851 | if (is_tag_prefix(arg)) | |
824af85b | 852 | new->netid->net = opt_string_alloc(arg+4); |
f2621c7f | 853 | else |
8ef5ada2 | 854 | new->netid->net = opt_string_alloc(set_prefix(arg)); |
f2621c7f SK |
855 | new->netid->next = np; |
856 | np = new->netid; | |
857 | } | |
858 | ||
859 | arg = comma; | |
832af0ba | 860 | } |
4cb1b320 SK |
861 | |
862 | #ifdef HAVE_DHCP6 | |
863 | if (is6) | |
864 | { | |
865 | if (new->flags & (DHOPT_VENDOR | DHOPT_ENCAPSULATE)) | |
c4a7f90e | 866 | ret_err(_("unsupported encapsulation for IPv6 option")); |
4cb1b320 SK |
867 | |
868 | if (opt_len == 0 && | |
869 | !(new->flags & DHOPT_RFC3925)) | |
bd08ae67 | 870 | opt_len = lookup_dhcp_len(AF_INET6, new->opt); |
4cb1b320 SK |
871 | } |
872 | else | |
873 | #endif | |
874 | if (opt_len == 0 && | |
875 | !(new->flags & (DHOPT_VENDOR | DHOPT_ENCAPSULATE | DHOPT_RFC3925))) | |
bd08ae67 | 876 | opt_len = lookup_dhcp_len(AF_INET, new->opt); |
40ef23b5 | 877 | |
316e2730 | 878 | /* option may be missing with rfc3925 match */ |
bd08ae67 | 879 | if (!option_ok) |
c4a7f90e SK |
880 | ret_err(_("bad dhcp-option")); |
881 | ||
882 | if (comma) | |
832af0ba SK |
883 | { |
884 | /* characterise the value */ | |
f2621c7f | 885 | char c; |
28866e95 | 886 | int found_dig = 0; |
4cb1b320 | 887 | is_addr = is_addr6 = is_hex = is_dec = is_string = 1; |
832af0ba | 888 | addrs = digs = 1; |
f2621c7f SK |
889 | dots = 0; |
890 | for (cp = comma; (c = *cp); cp++) | |
891 | if (c == ',') | |
832af0ba SK |
892 | { |
893 | addrs++; | |
894 | is_dec = is_hex = 0; | |
895 | } | |
f2621c7f | 896 | else if (c == ':') |
832af0ba SK |
897 | { |
898 | digs++; | |
899 | is_dec = is_addr = 0; | |
900 | } | |
f2621c7f | 901 | else if (c == '/') |
832af0ba | 902 | { |
4cb1b320 | 903 | is_addr6 = is_dec = is_hex = 0; |
832af0ba SK |
904 | if (cp == comma) /* leading / means a pathname */ |
905 | is_addr = 0; | |
906 | } | |
f2621c7f SK |
907 | else if (c == '.') |
908 | { | |
23245c0c | 909 | is_addr6 = is_dec = is_hex = 0; |
f2621c7f SK |
910 | dots++; |
911 | } | |
912 | else if (c == '-') | |
4cb1b320 | 913 | is_hex = is_addr = is_addr6 = 0; |
f2621c7f | 914 | else if (c == ' ') |
832af0ba | 915 | is_dec = is_hex = 0; |
f2621c7f | 916 | else if (!(c >='0' && c <= '9')) |
832af0ba SK |
917 | { |
918 | is_addr = 0; | |
919 | if (cp[1] == 0 && is_dec && | |
f2621c7f | 920 | (c == 'b' || c == 's' || c == 'i')) |
832af0ba | 921 | { |
f2621c7f | 922 | lenchar = c; |
832af0ba SK |
923 | *cp = 0; |
924 | } | |
925 | else | |
926 | is_dec = 0; | |
f2621c7f | 927 | if (!((c >='A' && c <= 'F') || |
73a08a24 SK |
928 | (c >='a' && c <= 'f') || |
929 | (c == '*' && (flags & DHOPT_MATCH)))) | |
4cb1b320 SK |
930 | { |
931 | is_hex = 0; | |
932 | if (c != '[' && c != ']') | |
933 | is_addr6 = 0; | |
934 | } | |
832af0ba | 935 | } |
28866e95 SK |
936 | else |
937 | found_dig = 1; | |
f2621c7f | 938 | |
28866e95 SK |
939 | if (!found_dig) |
940 | is_dec = is_addr = 0; | |
4cb1b320 | 941 | |
f2621c7f | 942 | /* We know that some options take addresses */ |
7622fc06 | 943 | if (opt_len & OT_ADDR_LIST) |
f2621c7f SK |
944 | { |
945 | is_string = is_dec = is_hex = 0; | |
4cb1b320 SK |
946 | |
947 | if (!is6 && (!is_addr || dots == 0)) | |
c4a7f90e | 948 | ret_err(_("bad IP address")); |
4cb1b320 SK |
949 | |
950 | if (is6 && !is_addr6) | |
c4a7f90e | 951 | ret_err(_("bad IPv6 address")); |
f2621c7f | 952 | } |
28866e95 | 953 | /* or names */ |
4cb1b320 SK |
954 | else if (opt_len & (OT_NAME | OT_RFC1035_NAME | OT_CSTRING)) |
955 | is_addr6 = is_addr = is_dec = is_hex = 0; | |
23245c0c SK |
956 | |
957 | if (found_dig && (opt_len & OT_TIME) && strlen(comma) > 0) | |
958 | { | |
959 | int val, fac = 1; | |
960 | ||
961 | switch (comma[strlen(comma) - 1]) | |
962 | { | |
42243214 SK |
963 | case 'w': |
964 | case 'W': | |
965 | fac *= 7; | |
966 | /* fall through */ | |
23245c0c SK |
967 | case 'd': |
968 | case 'D': | |
969 | fac *= 24; | |
970 | /* fall though */ | |
971 | case 'h': | |
972 | case 'H': | |
973 | fac *= 60; | |
974 | /* fall through */ | |
975 | case 'm': | |
976 | case 'M': | |
977 | fac *= 60; | |
978 | /* fall through */ | |
979 | case 's': | |
980 | case 'S': | |
981 | comma[strlen(comma) - 1] = 0; | |
982 | } | |
983 | ||
984 | new->len = 4; | |
985 | new->val = opt_malloc(4); | |
986 | val = atoi(comma); | |
987 | *((int *)new->val) = htonl(val * fac); | |
988 | } | |
989 | else if (is_hex && digs > 1) | |
832af0ba SK |
990 | { |
991 | new->len = digs; | |
824af85b | 992 | new->val = opt_malloc(new->len); |
73a08a24 SK |
993 | parse_hex(comma, new->val, digs, (flags & DHOPT_MATCH) ? &new->u.wildcard_mask : NULL, NULL); |
994 | new->flags |= DHOPT_HEX; | |
832af0ba SK |
995 | } |
996 | else if (is_dec) | |
997 | { | |
998 | int i, val = atoi(comma); | |
999 | /* assume numeric arg is 1 byte except for | |
1000 | options where it is known otherwise. | |
1001 | For vendor class option, we have to hack. */ | |
f2621c7f SK |
1002 | if (opt_len != 0) |
1003 | new->len = opt_len; | |
1004 | else if (val & 0xffff0000) | |
1005 | new->len = 4; | |
1006 | else if (val & 0xff00) | |
1007 | new->len = 2; | |
1008 | else | |
1009 | new->len = 1; | |
1010 | ||
832af0ba SK |
1011 | if (lenchar == 'b') |
1012 | new->len = 1; | |
1013 | else if (lenchar == 's') | |
1014 | new->len = 2; | |
1015 | else if (lenchar == 'i') | |
1016 | new->len = 4; | |
f2621c7f | 1017 | |
824af85b | 1018 | new->val = opt_malloc(new->len); |
832af0ba SK |
1019 | for (i=0; i<new->len; i++) |
1020 | new->val[i] = val>>((new->len - i - 1)*8); | |
1021 | } | |
4cb1b320 | 1022 | else if (is_addr && !is6) |
832af0ba SK |
1023 | { |
1024 | struct in_addr in; | |
1025 | unsigned char *op; | |
1026 | char *slash; | |
1027 | /* max length of address/subnet descriptor is five bytes, | |
1028 | add one for the option 120 enc byte too */ | |
824af85b | 1029 | new->val = op = opt_malloc((5 * addrs) + 1); |
6b01084f SK |
1030 | new->flags |= DHOPT_ADDR; |
1031 | ||
572b41eb SK |
1032 | if (!(new->flags & (DHOPT_ENCAPSULATE | DHOPT_VENDOR | DHOPT_RFC3925)) && |
1033 | new->opt == OPTION_SIP_SERVER) | |
832af0ba | 1034 | { |
6b01084f SK |
1035 | *(op++) = 1; /* RFC 3361 "enc byte" */ |
1036 | new->flags &= ~DHOPT_ADDR; | |
832af0ba SK |
1037 | } |
1038 | while (addrs--) | |
1039 | { | |
1040 | cp = comma; | |
f2621c7f | 1041 | comma = split(cp); |
73a08a24 | 1042 | slash = split_chr(cp, '/'); |
ddd9a6b4 | 1043 | inet_pton(AF_INET, cp, &in); |
832af0ba SK |
1044 | if (!slash) |
1045 | { | |
1046 | memcpy(op, &in, INADDRSZ); | |
1047 | op += INADDRSZ; | |
1048 | } | |
1049 | else | |
1050 | { | |
1051 | unsigned char *p = (unsigned char *)∈ | |
1052 | int netsize = atoi(slash); | |
1053 | *op++ = netsize; | |
1054 | if (netsize > 0) | |
1055 | *op++ = *p++; | |
1056 | if (netsize > 8) | |
1057 | *op++ = *p++; | |
1058 | if (netsize > 16) | |
1059 | *op++ = *p++; | |
1060 | if (netsize > 24) | |
1061 | *op++ = *p++; | |
1062 | new->flags &= ~DHOPT_ADDR; /* cannot re-write descriptor format */ | |
1063 | } | |
1064 | } | |
1065 | new->len = op - new->val; | |
1066 | } | |
4cb1b320 SK |
1067 | else if (is_addr6 && is6) |
1068 | { | |
1069 | unsigned char *op; | |
1070 | new->val = op = opt_malloc(16 * addrs); | |
1071 | new->flags |= DHOPT_ADDR6; | |
1072 | while (addrs--) | |
1073 | { | |
1074 | cp = comma; | |
1075 | comma = split(cp); | |
1076 | ||
1077 | /* check for [1234::7] */ | |
1078 | if (*cp == '[') | |
1079 | cp++; | |
1080 | if (strlen(cp) > 1 && cp[strlen(cp)-1] == ']') | |
1081 | cp[strlen(cp)-1] = 0; | |
1082 | ||
1083 | if (inet_pton(AF_INET6, cp, op)) | |
1084 | { | |
1085 | op += IN6ADDRSZ; | |
1086 | continue; | |
1087 | } | |
1088 | ||
c4a7f90e | 1089 | ret_err(_("bad IPv6 address")); |
4cb1b320 SK |
1090 | } |
1091 | new->len = op - new->val; | |
1092 | } | |
f2621c7f | 1093 | else if (is_string) |
832af0ba | 1094 | { |
4cb1b320 | 1095 | /* text arg */ |
572b41eb | 1096 | if ((new->opt == OPTION_DOMAIN_SEARCH || new->opt == OPTION_SIP_SERVER) && |
4cb1b320 | 1097 | !is6 && !(new->flags & (DHOPT_ENCAPSULATE | DHOPT_VENDOR | DHOPT_RFC3925))) |
832af0ba SK |
1098 | { |
1099 | /* dns search, RFC 3397, or SIP, RFC 3361 */ | |
1100 | unsigned char *q, *r, *tail; | |
824af85b | 1101 | unsigned char *p, *m = NULL, *newp; |
832af0ba | 1102 | size_t newlen, len = 0; |
572b41eb | 1103 | int header_size = (new->opt == OPTION_DOMAIN_SEARCH) ? 0 : 1; |
832af0ba SK |
1104 | |
1105 | arg = comma; | |
f2621c7f | 1106 | comma = split(arg); |
832af0ba SK |
1107 | |
1108 | while (arg && *arg) | |
1109 | { | |
c52e1897 SK |
1110 | char *in, *dom = NULL; |
1111 | size_t domlen = 1; | |
1112 | /* Allow "." as an empty domain */ | |
1113 | if (strcmp (arg, ".") != 0) | |
832af0ba | 1114 | { |
c52e1897 | 1115 | if (!(dom = canonicalise_opt(arg))) |
c4a7f90e SK |
1116 | ret_err(_("bad domain in dhcp-option")); |
1117 | ||
c52e1897 | 1118 | domlen = strlen(dom) + 2; |
832af0ba | 1119 | } |
c52e1897 SK |
1120 | |
1121 | newp = opt_malloc(len + domlen + header_size); | |
824af85b | 1122 | if (m) |
c52e1897 SK |
1123 | { |
1124 | memcpy(newp, m, header_size + len); | |
1125 | free(m); | |
1126 | } | |
824af85b | 1127 | m = newp; |
832af0ba SK |
1128 | p = m + header_size; |
1129 | q = p + len; | |
1130 | ||
1131 | /* add string on the end in RFC1035 format */ | |
c52e1897 | 1132 | for (in = dom; in && *in;) |
832af0ba SK |
1133 | { |
1134 | unsigned char *cp = q++; | |
1135 | int j; | |
c52e1897 SK |
1136 | for (j = 0; *in && (*in != '.'); in++, j++) |
1137 | *q++ = *in; | |
832af0ba | 1138 | *cp = j; |
c52e1897 SK |
1139 | if (*in) |
1140 | in++; | |
832af0ba SK |
1141 | } |
1142 | *q++ = 0; | |
1f15b81d | 1143 | free(dom); |
c52e1897 | 1144 | |
832af0ba SK |
1145 | /* Now tail-compress using earlier names. */ |
1146 | newlen = q - p; | |
1147 | for (tail = p + len; *tail; tail += (*tail) + 1) | |
1148 | for (r = p; r - p < (int)len; r += (*r) + 1) | |
1149 | if (strcmp((char *)r, (char *)tail) == 0) | |
1150 | { | |
1151 | PUTSHORT((r - p) | 0xc000, tail); | |
1152 | newlen = tail - p; | |
1153 | goto end; | |
1154 | } | |
1155 | end: | |
1156 | len = newlen; | |
1157 | ||
1158 | arg = comma; | |
f2621c7f | 1159 | comma = split(arg); |
832af0ba SK |
1160 | } |
1161 | ||
1162 | /* RFC 3361, enc byte is zero for names */ | |
572b41eb | 1163 | if (new->opt == OPTION_SIP_SERVER) |
832af0ba SK |
1164 | m[0] = 0; |
1165 | new->len = (int) len + header_size; | |
1166 | new->val = m; | |
1167 | } | |
4cb1b320 SK |
1168 | #ifdef HAVE_DHCP6 |
1169 | else if (comma && (opt_len & OT_CSTRING)) | |
1170 | { | |
1171 | /* length fields are two bytes so need 16 bits for each string */ | |
40ef23b5 | 1172 | int i, commas = 1; |
4cb1b320 SK |
1173 | unsigned char *p, *newp; |
1174 | ||
40ef23b5 | 1175 | for (i = 0; comma[i]; i++) |
4cb1b320 SK |
1176 | if (comma[i] == ',') |
1177 | commas++; | |
1178 | ||
1179 | newp = opt_malloc(strlen(comma)+(2*commas)); | |
1180 | p = newp; | |
1181 | arg = comma; | |
1182 | comma = split(arg); | |
1183 | ||
1184 | while (arg && *arg) | |
1185 | { | |
1186 | u16 len = strlen(arg); | |
18f0fb05 | 1187 | unhide_metas(arg); |
4cb1b320 SK |
1188 | PUTSHORT(len, p); |
1189 | memcpy(p, arg, len); | |
1190 | p += len; | |
1191 | ||
1192 | arg = comma; | |
1193 | comma = split(arg); | |
1194 | } | |
1195 | ||
1196 | new->val = newp; | |
1197 | new->len = p - newp; | |
1198 | } | |
1199 | else if (comma && (opt_len & OT_RFC1035_NAME)) | |
1200 | { | |
18f0fb05 SK |
1201 | unsigned char *p = NULL, *newp, *end; |
1202 | int len = 0; | |
4cb1b320 SK |
1203 | arg = comma; |
1204 | comma = split(arg); | |
1205 | ||
1206 | while (arg && *arg) | |
1207 | { | |
18f0fb05 SK |
1208 | char *dom = canonicalise_opt(arg); |
1209 | if (!dom) | |
c4a7f90e SK |
1210 | ret_err(_("bad domain in dhcp-option")); |
1211 | ||
18f0fb05 SK |
1212 | newp = opt_malloc(len + strlen(dom) + 2); |
1213 | ||
1214 | if (p) | |
1215 | { | |
1216 | memcpy(newp, p, len); | |
1217 | free(p); | |
1218 | } | |
4cb1b320 | 1219 | |
18f0fb05 SK |
1220 | p = newp; |
1221 | end = do_rfc1035_name(p + len, dom); | |
1222 | *end++ = 0; | |
1223 | len = end - p; | |
1224 | free(dom); | |
1225 | ||
4cb1b320 SK |
1226 | arg = comma; |
1227 | comma = split(arg); | |
1228 | } | |
1229 | ||
18f0fb05 SK |
1230 | new->val = p; |
1231 | new->len = len; | |
4cb1b320 SK |
1232 | } |
1233 | #endif | |
832af0ba SK |
1234 | else |
1235 | { | |
1236 | new->len = strlen(comma); | |
1237 | /* keep terminating zero on string */ | |
824af85b | 1238 | new->val = (unsigned char *)opt_string_alloc(comma); |
832af0ba SK |
1239 | new->flags |= DHOPT_STRING; |
1240 | } | |
1241 | } | |
1242 | } | |
1243 | ||
4cb1b320 SK |
1244 | if (!is6 && |
1245 | ((new->len > 255) || | |
316e2730 | 1246 | (new->len > 253 && (new->flags & (DHOPT_VENDOR | DHOPT_ENCAPSULATE))) || |
4cb1b320 | 1247 | (new->len > 250 && (new->flags & DHOPT_RFC3925)))) |
c4a7f90e | 1248 | ret_err(_("dhcp-option too long")); |
832af0ba | 1249 | |
c4a7f90e | 1250 | if (flags == DHOPT_MATCH) |
824af85b | 1251 | { |
c4a7f90e SK |
1252 | if ((new->flags & (DHOPT_ENCAPSULATE | DHOPT_VENDOR)) || |
1253 | !new->netid || | |
1254 | new->netid->next) | |
1255 | ret_err(_("illegal dhcp-match")); | |
1256 | ||
1257 | if (is6) | |
4cb1b320 | 1258 | { |
c4a7f90e SK |
1259 | new->next = daemon->dhcp_match6; |
1260 | daemon->dhcp_match6 = new; | |
4cb1b320 SK |
1261 | } |
1262 | else | |
73a08a24 | 1263 | { |
c4a7f90e SK |
1264 | new->next = daemon->dhcp_match; |
1265 | daemon->dhcp_match = new; | |
73a08a24 | 1266 | } |
824af85b | 1267 | } |
c4a7f90e SK |
1268 | else if (is6) |
1269 | { | |
1270 | new->next = daemon->dhcp_opts6; | |
1271 | daemon->dhcp_opts6 = new; | |
1272 | } | |
1273 | else | |
1274 | { | |
1275 | new->next = daemon->dhcp_opts; | |
1276 | daemon->dhcp_opts = new; | |
1277 | } | |
1278 | ||
1279 | return 1; | |
832af0ba SK |
1280 | } |
1281 | ||
7622fc06 | 1282 | #endif |
832af0ba | 1283 | |
28866e95 SK |
1284 | void set_option_bool(unsigned int opt) |
1285 | { | |
1286 | if (opt < 32) | |
1287 | daemon->options |= 1u << opt; | |
1288 | else | |
1289 | daemon->options2 |= 1u << (opt - 32); | |
1290 | } | |
1291 | ||
2b5bae9a SK |
1292 | void reset_option_bool(unsigned int opt) |
1293 | { | |
1294 | if (opt < 32) | |
1295 | daemon->options &= ~(1u << opt); | |
1296 | else | |
1297 | daemon->options2 &= ~(1u << (opt - 32)); | |
1298 | } | |
1299 | ||
c4a7f90e | 1300 | static int one_opt(int option, char *arg, char *errstr, char *gen_err, int command_line) |
849a8357 SK |
1301 | { |
1302 | int i; | |
c4a7f90e | 1303 | char *comma; |
b8187c80 | 1304 | |
832af0ba | 1305 | if (option == '?') |
c4a7f90e | 1306 | ret_err(gen_err); |
832af0ba | 1307 | |
1a6bca81 SK |
1308 | for (i=0; usage[i].opt != 0; i++) |
1309 | if (usage[i].opt == option) | |
849a8357 | 1310 | { |
1a6bca81 SK |
1311 | int rept = usage[i].rept; |
1312 | ||
28866e95 | 1313 | if (command_line) |
1a6bca81 SK |
1314 | { |
1315 | /* command line */ | |
1316 | if (rept == ARG_USED_CL) | |
c4a7f90e | 1317 | ret_err(_("illegal repeated flag")); |
1a6bca81 SK |
1318 | if (rept == ARG_ONE) |
1319 | usage[i].rept = ARG_USED_CL; | |
1320 | } | |
1321 | else | |
1322 | { | |
1323 | /* allow file to override command line */ | |
1324 | if (rept == ARG_USED_FILE) | |
c4a7f90e | 1325 | ret_err(_("illegal repeated keyword")); |
1a6bca81 SK |
1326 | if (rept == ARG_USED_CL || rept == ARG_ONE) |
1327 | usage[i].rept = ARG_USED_FILE; | |
1328 | } | |
1329 | ||
1330 | if (rept != ARG_DUP && rept != ARG_ONE && rept != ARG_USED_CL) | |
1331 | { | |
28866e95 | 1332 | set_option_bool(rept); |
c4a7f90e | 1333 | return 1; |
1a6bca81 SK |
1334 | } |
1335 | ||
1336 | break; | |
849a8357 | 1337 | } |
1a6bca81 | 1338 | |
849a8357 SK |
1339 | switch (option) |
1340 | { | |
f2621c7f | 1341 | case 'C': /* --conf-file */ |
849a8357 | 1342 | { |
824af85b | 1343 | char *file = opt_string_alloc(arg); |
849a8357 | 1344 | if (file) |
9009d746 | 1345 | { |
28866e95 | 1346 | one_file(file, 0); |
9009d746 SK |
1347 | free(file); |
1348 | } | |
849a8357 SK |
1349 | break; |
1350 | } | |
1351 | ||
f2621c7f | 1352 | case '7': /* --conf-dir */ |
849a8357 SK |
1353 | { |
1354 | DIR *dir_stream; | |
1355 | struct dirent *ent; | |
1356 | char *directory, *path; | |
1f15b81d SK |
1357 | struct list { |
1358 | char *suffix; | |
1359 | struct list *next; | |
1360 | } *ignore_suffix = NULL, *li; | |
849a8357 | 1361 | |
1f15b81d | 1362 | comma = split(arg); |
824af85b | 1363 | if (!(directory = opt_string_alloc(arg))) |
849a8357 SK |
1364 | break; |
1365 | ||
1f15b81d SK |
1366 | for (arg = comma; arg; arg = comma) |
1367 | { | |
1368 | comma = split(arg); | |
1369 | li = opt_malloc(sizeof(struct list)); | |
1370 | li->next = ignore_suffix; | |
1371 | ignore_suffix = li; | |
1372 | /* Have to copy: buffer is overwritten */ | |
1373 | li->suffix = opt_string_alloc(arg); | |
1374 | }; | |
1375 | ||
849a8357 | 1376 | if (!(dir_stream = opendir(directory))) |
5aabfc78 | 1377 | die(_("cannot access directory %s: %s"), directory, EC_FILE); |
1f15b81d | 1378 | |
849a8357 | 1379 | while ((ent = readdir(dir_stream))) |
9e4abcb5 | 1380 | { |
7622fc06 | 1381 | size_t len = strlen(ent->d_name); |
849a8357 | 1382 | struct stat buf; |
1f15b81d SK |
1383 | |
1384 | /* ignore emacs backups and dotfiles */ | |
7622fc06 SK |
1385 | if (len == 0 || |
1386 | ent->d_name[len - 1] == '~' || | |
849a8357 SK |
1387 | (ent->d_name[0] == '#' && ent->d_name[len - 1] == '#') || |
1388 | ent->d_name[0] == '.') | |
1389 | continue; | |
7622fc06 | 1390 | |
1f15b81d SK |
1391 | for (li = ignore_suffix; li; li = li->next) |
1392 | { | |
1393 | /* check for proscribed suffices */ | |
1394 | size_t ls = strlen(li->suffix); | |
1395 | if (len > ls && | |
1396 | strcmp(li->suffix, &ent->d_name[len - ls]) == 0) | |
1397 | break; | |
1398 | } | |
1399 | if (li) | |
1400 | continue; | |
1401 | ||
824af85b | 1402 | path = opt_malloc(strlen(directory) + len + 2); |
849a8357 SK |
1403 | strcpy(path, directory); |
1404 | strcat(path, "/"); | |
1405 | strcat(path, ent->d_name); | |
7622fc06 | 1406 | |
39595cfe | 1407 | /* files must be readable */ |
849a8357 | 1408 | if (stat(path, &buf) == -1) |
5aabfc78 | 1409 | die(_("cannot access %s: %s"), path, EC_FILE); |
39595cfe | 1410 | |
849a8357 | 1411 | /* only reg files allowed. */ |
39595cfe SK |
1412 | if (S_ISREG(buf.st_mode)) |
1413 | one_file(path, 0); | |
849a8357 | 1414 | |
849a8357 | 1415 | free(path); |
9e4abcb5 | 1416 | } |
849a8357 SK |
1417 | |
1418 | closedir(dir_stream); | |
9009d746 | 1419 | free(directory); |
1f15b81d SK |
1420 | for(; ignore_suffix; ignore_suffix = li) |
1421 | { | |
1422 | li = ignore_suffix->next; | |
1423 | free(ignore_suffix->suffix); | |
1424 | free(ignore_suffix); | |
1425 | } | |
1426 | ||
849a8357 SK |
1427 | break; |
1428 | } | |
1429 | ||
ad094275 SK |
1430 | case '1': /* --enable-dbus */ |
1431 | set_option_bool(OPT_DBUS); | |
1432 | if (arg) | |
1433 | daemon->dbus_name = opt_string_alloc(arg); | |
1434 | else | |
1435 | daemon->dbus_name = DNSMASQ_SERVICE; | |
1436 | break; | |
1437 | ||
f2621c7f SK |
1438 | case '8': /* --log-facility */ |
1439 | /* may be a filename */ | |
8ef5ada2 | 1440 | if (strchr(arg, '/') || strcmp (arg, "-") == 0) |
824af85b | 1441 | daemon->log_file = opt_string_alloc(arg); |
849a8357 | 1442 | else |
f2621c7f | 1443 | { |
572b41eb | 1444 | #ifdef __ANDROID__ |
c4a7f90e | 1445 | ret_err(_("setting log facility is not possible under Android")); |
572b41eb | 1446 | #else |
f2621c7f SK |
1447 | for (i = 0; facilitynames[i].c_name; i++) |
1448 | if (hostname_isequal((char *)facilitynames[i].c_name, arg)) | |
1449 | break; | |
1450 | ||
1451 | if (facilitynames[i].c_name) | |
1452 | daemon->log_fac = facilitynames[i].c_val; | |
1453 | else | |
c4a7f90e | 1454 | ret_err(_("bad log facility")); |
572b41eb | 1455 | #endif |
849a8357 SK |
1456 | } |
1457 | break; | |
1458 | ||
f2621c7f | 1459 | case 'x': /* --pid-file */ |
824af85b | 1460 | daemon->runfile = opt_string_alloc(arg); |
849a8357 | 1461 | break; |
5aabfc78 | 1462 | |
f2621c7f | 1463 | case 'r': /* --resolv-file */ |
849a8357 | 1464 | { |
824af85b | 1465 | char *name = opt_string_alloc(arg); |
849a8357 SK |
1466 | struct resolvc *new, *list = daemon->resolv_files; |
1467 | ||
1468 | if (list && list->is_default) | |
1469 | { | |
1470 | /* replace default resolv file - possibly with nothing */ | |
1471 | if (name) | |
9e4abcb5 | 1472 | { |
849a8357 SK |
1473 | list->is_default = 0; |
1474 | list->name = name; | |
9e4abcb5 | 1475 | } |
849a8357 SK |
1476 | else |
1477 | list = NULL; | |
1478 | } | |
1479 | else if (name) | |
1480 | { | |
824af85b | 1481 | new = opt_malloc(sizeof(struct resolvc)); |
849a8357 SK |
1482 | new->next = list; |
1483 | new->name = name; | |
1484 | new->is_default = 0; | |
1485 | new->mtime = 0; | |
1486 | new->logged = 0; | |
1487 | list = new; | |
1488 | } | |
1489 | daemon->resolv_files = list; | |
1490 | break; | |
1491 | } | |
1492 | ||
f2621c7f | 1493 | case 'm': /* --mx-host */ |
849a8357 SK |
1494 | { |
1495 | int pref = 1; | |
1496 | struct mx_srv_record *new; | |
1f15b81d SK |
1497 | char *name, *target = NULL; |
1498 | ||
f2621c7f | 1499 | if ((comma = split(arg))) |
849a8357 SK |
1500 | { |
1501 | char *prefstr; | |
1f15b81d | 1502 | if ((prefstr = split(comma)) && !atoi_check16(prefstr, &pref)) |
c4a7f90e | 1503 | ret_err(_("bad MX preference")); |
849a8357 SK |
1504 | } |
1505 | ||
1f15b81d SK |
1506 | if (!(name = canonicalise_opt(arg)) || |
1507 | (comma && !(target = canonicalise_opt(comma)))) | |
c4a7f90e | 1508 | ret_err(_("bad MX name")); |
1f15b81d | 1509 | |
824af85b | 1510 | new = opt_malloc(sizeof(struct mx_srv_record)); |
849a8357 SK |
1511 | new->next = daemon->mxnames; |
1512 | daemon->mxnames = new; | |
1513 | new->issrv = 0; | |
1f15b81d SK |
1514 | new->name = name; |
1515 | new->target = target; /* may be NULL */ | |
849a8357 SK |
1516 | new->weight = pref; |
1517 | break; | |
1518 | } | |
1519 | ||
f2621c7f | 1520 | case 't': /* --mx-target */ |
1f15b81d | 1521 | if (!(daemon->mxtarget = canonicalise_opt(arg))) |
c4a7f90e | 1522 | ret_err(_("bad MX target")); |
849a8357 | 1523 | break; |
7622fc06 SK |
1524 | |
1525 | #ifdef HAVE_DHCP | |
f2621c7f | 1526 | case 'l': /* --dhcp-leasefile */ |
824af85b | 1527 | daemon->lease_file = opt_string_alloc(arg); |
849a8357 SK |
1528 | break; |
1529 | ||
c72daea8 SK |
1530 | /* Sorry about the gross pre-processor abuse */ |
1531 | case '6': /* --dhcp-script */ | |
1532 | case LOPT_LUASCRIPT: /* --dhcp-luascript */ | |
1f15b81d | 1533 | # if defined(NO_FORK) |
c4a7f90e | 1534 | ret_err(_("cannot run scripts under uClinux")); |
1f15b81d | 1535 | # elif !defined(HAVE_SCRIPT) |
c4a7f90e | 1536 | ret_err(_("recompile with HAVE_SCRIPT defined to enable lease-change scripts")); |
7622fc06 | 1537 | # else |
c72daea8 SK |
1538 | if (option == LOPT_LUASCRIPT) |
1539 | # if !defined(HAVE_LUASCRIPT) | |
c4a7f90e | 1540 | ret_err(_("recompile with HAVE_LUASCRIPT defined to enable Lua scripts")); |
c72daea8 SK |
1541 | # else |
1542 | daemon->luascript = opt_string_alloc(arg); | |
1543 | # endif | |
1544 | else | |
1545 | daemon->lease_change_command = opt_string_alloc(arg); | |
7622fc06 | 1546 | # endif |
849a8357 | 1547 | break; |
c72daea8 | 1548 | #endif /* HAVE_DHCP */ |
7622fc06 | 1549 | |
28866e95 SK |
1550 | case LOPT_DHCP_HOST: /* --dhcp-hostfile */ |
1551 | case LOPT_DHCP_OPTS: /* --dhcp-optsfile */ | |
f2621c7f | 1552 | case 'H': /* --addn-hosts */ |
849a8357 | 1553 | { |
824af85b | 1554 | struct hostsfile *new = opt_malloc(sizeof(struct hostsfile)); |
849a8357 | 1555 | static int hosts_index = 1; |
824af85b | 1556 | new->fname = opt_string_alloc(arg); |
849a8357 | 1557 | new->index = hosts_index++; |
7622fc06 | 1558 | new->flags = 0; |
28866e95 SK |
1559 | if (option == 'H') |
1560 | { | |
1561 | new->next = daemon->addn_hosts; | |
1562 | daemon->addn_hosts = new; | |
1563 | } | |
1564 | else if (option == LOPT_DHCP_HOST) | |
1565 | { | |
1566 | new->next = daemon->dhcp_hosts_file; | |
1567 | daemon->dhcp_hosts_file = new; | |
1568 | } | |
e1ff419c | 1569 | else if (option == LOPT_DHCP_OPTS) |
28866e95 SK |
1570 | { |
1571 | new->next = daemon->dhcp_opts_file; | |
1572 | daemon->dhcp_opts_file = new; | |
1573 | } | |
849a8357 SK |
1574 | break; |
1575 | } | |
1576 | ||
4f7b304f | 1577 | case LOPT_AUTHSERV: /* --auth-server */ |
86e3b9a0 | 1578 | if (!(comma = split(arg))) |
4f7b304f SK |
1579 | ret_err(gen_err); |
1580 | ||
4f7b304f | 1581 | daemon->authserver = opt_string_alloc(arg); |
429798fd SK |
1582 | arg = comma; |
1583 | do { | |
1584 | struct iname *new = opt_malloc(sizeof(struct iname)); | |
1585 | comma = split(arg); | |
1586 | new->name = NULL; | |
1587 | unhide_metas(arg); | |
ddd9a6b4 | 1588 | if (inet_pton(AF_INET, arg, &new->addr.in.sin_addr) > 0) |
429798fd SK |
1589 | new->addr.sa.sa_family = AF_INET; |
1590 | #ifdef HAVE_IPV6 | |
1591 | else if (inet_pton(AF_INET6, arg, &new->addr.in6.sin6_addr) > 0) | |
1592 | new->addr.sa.sa_family = AF_INET6; | |
1593 | #endif | |
1594 | else | |
1595 | new->name = opt_string_alloc(arg); | |
1596 | ||
1597 | new->next = daemon->authinterface; | |
1598 | daemon->authinterface = new; | |
1599 | ||
1600 | arg = comma; | |
1601 | } while (arg); | |
1602 | ||
4f7b304f | 1603 | break; |
e1ff419c SK |
1604 | |
1605 | case LOPT_AUTHSFS: /* --auth-sec-servers */ | |
1606 | { | |
1607 | struct name_list *new; | |
1608 | ||
1609 | do { | |
1610 | comma = split(arg); | |
429798fd | 1611 | new = opt_malloc(sizeof(struct name_list)); |
e1ff419c SK |
1612 | new->name = opt_string_alloc(arg); |
1613 | new->next = daemon->secondary_forward_server; | |
1614 | daemon->secondary_forward_server = new; | |
1615 | arg = comma; | |
1616 | } while (arg); | |
1617 | break; | |
1618 | } | |
1619 | ||
4f7b304f SK |
1620 | case LOPT_AUTHZONE: /* --auth-zone */ |
1621 | { | |
1622 | struct auth_zone *new; | |
1623 | ||
1624 | comma = split(arg); | |
1e14cc0f | 1625 | |
429798fd | 1626 | new = opt_malloc(sizeof(struct auth_zone)); |
4f7b304f SK |
1627 | new->domain = opt_string_alloc(arg); |
1628 | new->subnet = NULL; | |
1629 | new->next = daemon->auth_zones; | |
1630 | daemon->auth_zones = new; | |
1631 | ||
1632 | while ((arg = comma)) | |
1633 | { | |
1634 | int prefixlen = 0; | |
1635 | char *prefix; | |
429798fd | 1636 | struct subnet *subnet = opt_malloc(sizeof(struct subnet)); |
4f7b304f SK |
1637 | |
1638 | subnet->next = new->subnet; | |
1639 | new->subnet = subnet; | |
1640 | ||
1641 | comma = split(arg); | |
1642 | prefix = split_chr(arg, '/'); | |
1643 | ||
1644 | if (prefix && !atoi_check(prefix, &prefixlen)) | |
1645 | ret_err(gen_err); | |
1646 | ||
1647 | if (inet_pton(AF_INET, arg, &subnet->addr4)) | |
1648 | { | |
1649 | subnet->prefixlen = (prefixlen == 0) ? 24 : prefixlen; | |
1650 | subnet->is6 = 0; | |
1651 | } | |
1652 | #ifdef HAVE_IPV6 | |
1653 | else if (inet_pton(AF_INET6, arg, &subnet->addr6)) | |
1654 | { | |
1655 | subnet->prefixlen = (prefixlen == 0) ? 64 : prefixlen; | |
1656 | subnet->is6 = 1; | |
1657 | } | |
1658 | #endif | |
1659 | else | |
1660 | ret_err(gen_err); | |
1661 | } | |
1662 | break; | |
1663 | } | |
1664 | ||
1665 | case LOPT_AUTHSOA: /* --auth-soa */ | |
1666 | comma = split(arg); | |
5c72bb9e | 1667 | daemon->soa_sn = (u32)atoi(arg); |
4f7b304f SK |
1668 | if (comma) |
1669 | { | |
86e3b9a0 | 1670 | char *cp; |
4f7b304f SK |
1671 | arg = comma; |
1672 | comma = split(arg); | |
1673 | daemon->hostmaster = opt_string_alloc(arg); | |
86e3b9a0 SK |
1674 | for (cp = daemon->hostmaster; *cp; cp++) |
1675 | if (*cp == '@') | |
1676 | *cp = '.'; | |
1677 | ||
4f7b304f SK |
1678 | if (comma) |
1679 | { | |
1680 | arg = comma; | |
1681 | comma = split(arg); | |
5c72bb9e | 1682 | daemon->soa_refresh = (u32)atoi(arg); |
4f7b304f SK |
1683 | if (comma) |
1684 | { | |
1685 | arg = comma; | |
1686 | comma = split(arg); | |
5c72bb9e | 1687 | daemon->soa_retry = (u32)atoi(arg); |
4f7b304f SK |
1688 | if (comma) |
1689 | { | |
1690 | arg = comma; | |
1691 | comma = split(arg); | |
5c72bb9e | 1692 | daemon->soa_expiry = (u32)atoi(arg); |
4f7b304f SK |
1693 | } |
1694 | } | |
1695 | } | |
1696 | } | |
1697 | ||
1698 | break; | |
1699 | ||
2bb73af7 SK |
1700 | case 's': /* --domain */ |
1701 | case LOPT_SYNTH: /* --synth-domain */ | |
849a8357 | 1702 | if (strcmp (arg, "#") == 0) |
28866e95 | 1703 | set_option_bool(OPT_RESOLV_DOMAIN); |
849a8357 | 1704 | else |
9009d746 | 1705 | { |
1f15b81d | 1706 | char *d; |
9009d746 | 1707 | comma = split(arg); |
1f15b81d | 1708 | if (!(d = canonicalise_opt(arg))) |
c4a7f90e | 1709 | ret_err(gen_err); |
9009d746 SK |
1710 | else |
1711 | { | |
9009d746 SK |
1712 | if (comma) |
1713 | { | |
429798fd | 1714 | struct cond_domain *new = opt_malloc(sizeof(struct cond_domain)); |
28866e95 | 1715 | char *netpart; |
2bb73af7 | 1716 | |
48fd1c4d SK |
1717 | new->prefix = NULL; |
1718 | ||
9009d746 | 1719 | unhide_metas(comma); |
28866e95 | 1720 | if ((netpart = split_chr(comma, '/'))) |
9009d746 | 1721 | { |
d74942a0 SK |
1722 | int msize; |
1723 | ||
28866e95 | 1724 | arg = split(netpart); |
d74942a0 | 1725 | if (!atoi_check(netpart, &msize)) |
c4a7f90e | 1726 | ret_err(gen_err); |
d74942a0 | 1727 | else if (inet_pton(AF_INET, comma, &new->start)) |
9009d746 | 1728 | { |
d74942a0 SK |
1729 | int mask = (1 << (32 - msize)) - 1; |
1730 | new->is6 = 0; | |
9009d746 SK |
1731 | new->start.s_addr = ntohl(htonl(new->start.s_addr) & ~mask); |
1732 | new->end.s_addr = new->start.s_addr | htonl(mask); | |
28866e95 SK |
1733 | if (arg) |
1734 | { | |
48fd1c4d | 1735 | if (option != 's') |
b5a7ff42 SK |
1736 | { |
1737 | if (!(new->prefix = canonicalise_opt(arg)) || | |
1738 | strlen(new->prefix) > MAXLABEL - INET_ADDRSTRLEN) | |
1739 | ret_err(_("bad prefix")); | |
1740 | } | |
48fd1c4d SK |
1741 | else if (strcmp(arg, "local") != 0 || |
1742 | (msize != 8 && msize != 16 && msize != 24)) | |
c4a7f90e | 1743 | ret_err(gen_err); |
28866e95 SK |
1744 | else |
1745 | { | |
48fd1c4d SK |
1746 | /* generate the equivalent of |
1747 | local=/<domain>/ | |
1748 | local=/xxx.yyy.zzz.in-addr.arpa/ */ | |
28866e95 SK |
1749 | struct server *serv = opt_malloc(sizeof(struct server)); |
1750 | in_addr_t a = ntohl(new->start.s_addr) >> 8; | |
1751 | char *p; | |
48fd1c4d | 1752 | |
28866e95 SK |
1753 | memset(serv, 0, sizeof(struct server)); |
1754 | serv->domain = d; | |
1755 | serv->flags = SERV_HAS_DOMAIN | SERV_NO_ADDR; | |
1756 | serv->next = daemon->servers; | |
1757 | daemon->servers = serv; | |
48fd1c4d | 1758 | |
28866e95 SK |
1759 | serv = opt_malloc(sizeof(struct server)); |
1760 | memset(serv, 0, sizeof(struct server)); | |
1761 | p = serv->domain = opt_malloc(25); /* strlen("xxx.yyy.zzz.in-addr.arpa")+1 */ | |
1762 | ||
1763 | if (msize == 24) | |
1764 | p += sprintf(p, "%d.", a & 0xff); | |
1765 | a = a >> 8; | |
1766 | if (msize != 8) | |
1767 | p += sprintf(p, "%d.", a & 0xff); | |
1768 | a = a >> 8; | |
1769 | p += sprintf(p, "%d.in-addr.arpa", a & 0xff); | |
48fd1c4d | 1770 | |
28866e95 SK |
1771 | serv->flags = SERV_HAS_DOMAIN | SERV_NO_ADDR; |
1772 | serv->next = daemon->servers; | |
1773 | daemon->servers = serv; | |
1774 | } | |
1775 | } | |
9009d746 | 1776 | } |
d74942a0 SK |
1777 | #ifdef HAVE_IPV6 |
1778 | else if (inet_pton(AF_INET6, comma, &new->start6)) | |
1779 | { | |
1780 | u64 mask = (1LLU << (128 - msize)) - 1LLU; | |
1781 | u64 addrpart = addr6part(&new->start6); | |
1782 | new->is6 = 1; | |
48fd1c4d | 1783 | |
d74942a0 SK |
1784 | /* prefix==64 overflows the mask calculation above */ |
1785 | if (msize == 64) | |
1786 | mask = (u64)-1LL; | |
48fd1c4d | 1787 | |
d74942a0 SK |
1788 | new->end6 = new->start6; |
1789 | setaddr6part(&new->start6, addrpart & ~mask); | |
1790 | setaddr6part(&new->end6, addrpart | mask); | |
1791 | ||
1792 | if (msize < 64) | |
c4a7f90e | 1793 | ret_err(gen_err); |
d74942a0 SK |
1794 | else if (arg) |
1795 | { | |
48fd1c4d | 1796 | if (option != 's') |
b5a7ff42 SK |
1797 | { |
1798 | if (!(new->prefix = canonicalise_opt(arg)) || | |
1799 | strlen(new->prefix) > MAXLABEL - INET6_ADDRSTRLEN) | |
1800 | ret_err(_("bad prefix")); | |
1801 | } | |
48fd1c4d | 1802 | else if (strcmp(arg, "local") != 0 || ((msize & 4) != 0)) |
c4a7f90e | 1803 | ret_err(gen_err); |
d74942a0 SK |
1804 | else |
1805 | { | |
48fd1c4d SK |
1806 | /* generate the equivalent of |
1807 | local=/<domain>/ | |
1808 | local=/xxx.yyy.zzz.ip6.arpa/ */ | |
d74942a0 | 1809 | struct server *serv = opt_malloc(sizeof(struct server)); |
d74942a0 | 1810 | char *p; |
ceae00dd | 1811 | |
d74942a0 SK |
1812 | memset(serv, 0, sizeof(struct server)); |
1813 | serv->domain = d; | |
1814 | serv->flags = SERV_HAS_DOMAIN | SERV_NO_ADDR; | |
1815 | serv->next = daemon->servers; | |
1816 | daemon->servers = serv; | |
1817 | ||
1818 | serv = opt_malloc(sizeof(struct server)); | |
1819 | memset(serv, 0, sizeof(struct server)); | |
1820 | p = serv->domain = opt_malloc(73); /* strlen("32*<n.>ip6.arpa")+1 */ | |
1821 | ||
1822 | for (i = msize-1; i >= 0; i -= 4) | |
1823 | { | |
1824 | int dig = ((unsigned char *)&new->start6)[i>>3]; | |
1825 | p += sprintf(p, "%.1x.", (i>>2) & 1 ? dig & 15 : dig >> 4); | |
1826 | } | |
1827 | p += sprintf(p, "ip6.arpa"); | |
1828 | ||
1829 | serv->flags = SERV_HAS_DOMAIN | SERV_NO_ADDR; | |
1830 | serv->next = daemon->servers; | |
1831 | daemon->servers = serv; | |
1832 | } | |
1833 | } | |
1834 | } | |
1835 | #endif | |
1836 | else | |
c4a7f90e | 1837 | ret_err(gen_err); |
9009d746 | 1838 | } |
2bb73af7 | 1839 | else |
9009d746 | 1840 | { |
d74942a0 SK |
1841 | arg = split(comma); |
1842 | if (inet_pton(AF_INET, comma, &new->start)) | |
1843 | { | |
1844 | new->is6 = 0; | |
1845 | if (!arg) | |
1846 | new->end.s_addr = new->start.s_addr; | |
1847 | else if (!inet_pton(AF_INET, arg, &new->end)) | |
c4a7f90e | 1848 | ret_err(gen_err); |
d74942a0 SK |
1849 | } |
1850 | #ifdef HAVE_IPV6 | |
1851 | else if (inet_pton(AF_INET6, comma, &new->start6)) | |
1852 | { | |
1853 | new->is6 = 1; | |
1854 | if (!arg) | |
1855 | memcpy(&new->end6, &new->start6, IN6ADDRSZ); | |
1856 | else if (!inet_pton(AF_INET6, arg, &new->end6)) | |
c4a7f90e | 1857 | ret_err(gen_err); |
d74942a0 SK |
1858 | } |
1859 | #endif | |
1860 | else | |
c4a7f90e | 1861 | ret_err(gen_err); |
d74942a0 | 1862 | } |
2307eac6 SK |
1863 | |
1864 | new->domain = d; | |
2bb73af7 SK |
1865 | if (option == 's') |
1866 | { | |
1867 | new->next = daemon->cond_domain; | |
1868 | daemon->cond_domain = new; | |
1869 | } | |
1870 | else | |
1871 | { | |
1872 | new->next = daemon->synth_domains; | |
1873 | daemon->synth_domains = new; | |
1874 | } | |
9009d746 | 1875 | } |
2bb73af7 | 1876 | else if (option == 's') |
9009d746 | 1877 | daemon->domain_suffix = d; |
2bb73af7 SK |
1878 | else |
1879 | ret_err(gen_err); | |
9009d746 SK |
1880 | } |
1881 | } | |
849a8357 SK |
1882 | break; |
1883 | ||
f2621c7f | 1884 | case 'u': /* --user */ |
824af85b | 1885 | daemon->username = opt_string_alloc(arg); |
849a8357 SK |
1886 | break; |
1887 | ||
f2621c7f | 1888 | case 'g': /* --group */ |
824af85b | 1889 | daemon->groupname = opt_string_alloc(arg); |
1a6bca81 | 1890 | daemon->group_set = 1; |
849a8357 | 1891 | break; |
9e038946 | 1892 | |
7622fc06 | 1893 | #ifdef HAVE_DHCP |
9e038946 SK |
1894 | case LOPT_SCRIPTUSR: /* --scriptuser */ |
1895 | daemon->scriptuser = opt_string_alloc(arg); | |
1896 | break; | |
7622fc06 | 1897 | #endif |
849a8357 | 1898 | |
f2621c7f | 1899 | case 'i': /* --interface */ |
849a8357 | 1900 | do { |
824af85b | 1901 | struct iname *new = opt_malloc(sizeof(struct iname)); |
f2621c7f | 1902 | comma = split(arg); |
849a8357 SK |
1903 | new->next = daemon->if_names; |
1904 | daemon->if_names = new; | |
1905 | /* new->name may be NULL if someone does | |
1906 | "interface=" to disable all interfaces except loop. */ | |
824af85b | 1907 | new->name = opt_string_alloc(arg); |
4ce4f377 | 1908 | new->used = 0; |
849a8357 SK |
1909 | arg = comma; |
1910 | } while (arg); | |
1911 | break; | |
1912 | ||
2937f8a0 SK |
1913 | case LOPT_TFTP: /* --enable-tftp */ |
1914 | set_option_bool(OPT_TFTP); | |
1915 | if (!arg) | |
1916 | break; | |
1917 | /* fall through */ | |
1918 | ||
f2621c7f SK |
1919 | case 'I': /* --except-interface */ |
1920 | case '2': /* --no-dhcp-interface */ | |
849a8357 | 1921 | do { |
824af85b | 1922 | struct iname *new = opt_malloc(sizeof(struct iname)); |
f2621c7f | 1923 | comma = split(arg); |
824af85b | 1924 | new->name = opt_string_alloc(arg); |
849a8357 SK |
1925 | if (option == 'I') |
1926 | { | |
1927 | new->next = daemon->if_except; | |
1928 | daemon->if_except = new; | |
1929 | } | |
2937f8a0 SK |
1930 | else if (option == LOPT_TFTP) |
1931 | { | |
1932 | new->next = daemon->tftp_interfaces; | |
1933 | daemon->tftp_interfaces = new; | |
1934 | } | |
849a8357 SK |
1935 | else |
1936 | { | |
1937 | new->next = daemon->dhcp_except; | |
1938 | daemon->dhcp_except = new; | |
1939 | } | |
1940 | arg = comma; | |
1941 | } while (arg); | |
1942 | break; | |
1943 | ||
f2621c7f | 1944 | case 'B': /* --bogus-nxdomain */ |
849a8357 SK |
1945 | { |
1946 | struct in_addr addr; | |
1947 | unhide_metas(arg); | |
ddd9a6b4 | 1948 | if (arg && (inet_pton(AF_INET, arg, &addr) > 0)) |
849a8357 | 1949 | { |
824af85b | 1950 | struct bogus_addr *baddr = opt_malloc(sizeof(struct bogus_addr)); |
849a8357 SK |
1951 | baddr->next = daemon->bogus_addr; |
1952 | daemon->bogus_addr = baddr; | |
1953 | baddr->addr = addr; | |
1954 | } | |
1955 | else | |
c4a7f90e | 1956 | ret_err(gen_err); /* error */ |
849a8357 SK |
1957 | break; |
1958 | } | |
1959 | ||
f2621c7f | 1960 | case 'a': /* --listen-address */ |
49678767 | 1961 | case LOPT_AUTHPEER: /* --auth-peer */ |
849a8357 | 1962 | do { |
824af85b | 1963 | struct iname *new = opt_malloc(sizeof(struct iname)); |
f2621c7f | 1964 | comma = split(arg); |
849a8357 | 1965 | unhide_metas(arg); |
ddd9a6b4 | 1966 | if (arg && (inet_pton(AF_INET, arg, &new->addr.in.sin_addr) > 0)) |
849a8357 SK |
1967 | { |
1968 | new->addr.sa.sa_family = AF_INET; | |
49678767 | 1969 | new->addr.in.sin_port = 0; |
849a8357 SK |
1970 | #ifdef HAVE_SOCKADDR_SA_LEN |
1971 | new->addr.in.sin_len = sizeof(new->addr.in); | |
1972 | #endif | |
1973 | } | |
1974 | #ifdef HAVE_IPV6 | |
1975 | else if (arg && inet_pton(AF_INET6, arg, &new->addr.in6.sin6_addr) > 0) | |
1976 | { | |
1977 | new->addr.sa.sa_family = AF_INET6; | |
1978 | new->addr.in6.sin6_flowinfo = 0; | |
1979 | new->addr.in6.sin6_scope_id = 0; | |
49678767 | 1980 | new->addr.in6.sin6_port = 0; |
849a8357 SK |
1981 | #ifdef HAVE_SOCKADDR_SA_LEN |
1982 | new->addr.in6.sin6_len = sizeof(new->addr.in6); | |
1983 | #endif | |
1984 | } | |
1985 | #endif | |
1986 | else | |
c4a7f90e | 1987 | ret_err(gen_err); |
4ce4f377 SK |
1988 | |
1989 | new->used = 0; | |
49678767 SK |
1990 | if (option == 'a') |
1991 | { | |
1992 | new->next = daemon->if_addrs; | |
1993 | daemon->if_addrs = new; | |
1994 | } | |
1995 | else | |
1996 | { | |
1997 | new->next = daemon->auth_peers; | |
1998 | daemon->auth_peers = new; | |
1999 | } | |
849a8357 SK |
2000 | arg = comma; |
2001 | } while (arg); | |
2002 | break; | |
2003 | ||
8ef5ada2 SK |
2004 | case 'S': /* --server */ |
2005 | case LOPT_LOCAL: /* --local */ | |
2006 | case 'A': /* --address */ | |
2007 | case LOPT_NO_REBIND: /* --rebind-domain-ok */ | |
849a8357 SK |
2008 | { |
2009 | struct server *serv, *newlist = NULL; | |
2010 | ||
2011 | unhide_metas(arg); | |
2012 | ||
8ef5ada2 | 2013 | if (arg && (*arg == '/' || option == LOPT_NO_REBIND)) |
849a8357 | 2014 | { |
8ef5ada2 SK |
2015 | int rebind = !(*arg == '/'); |
2016 | char *end = NULL; | |
2017 | if (!rebind) | |
2018 | arg++; | |
2019 | while (rebind || (end = split_chr(arg, '/'))) | |
fd9fa481 | 2020 | { |
849a8357 | 2021 | char *domain = NULL; |
8ef5ada2 SK |
2022 | /* elide leading dots - they are implied in the search algorithm */ |
2023 | while (*arg == '.') arg++; | |
849a8357 SK |
2024 | /* # matches everything and becomes a zero length domain string */ |
2025 | if (strcmp(arg, "#") == 0) | |
2026 | domain = ""; | |
1f15b81d | 2027 | else if (strlen (arg) != 0 && !(domain = canonicalise_opt(arg))) |
849a8357 | 2028 | option = '?'; |
824af85b SK |
2029 | serv = opt_malloc(sizeof(struct server)); |
2030 | memset(serv, 0, sizeof(struct server)); | |
849a8357 SK |
2031 | serv->next = newlist; |
2032 | newlist = serv; | |
849a8357 SK |
2033 | serv->domain = domain; |
2034 | serv->flags = domain ? SERV_HAS_DOMAIN : SERV_FOR_NODOTS; | |
73a08a24 | 2035 | arg = end; |
8ef5ada2 SK |
2036 | if (rebind) |
2037 | break; | |
fd9fa481 | 2038 | } |
849a8357 | 2039 | if (!newlist) |
c4a7f90e | 2040 | ret_err(gen_err); |
849a8357 SK |
2041 | } |
2042 | else | |
2043 | { | |
824af85b SK |
2044 | newlist = opt_malloc(sizeof(struct server)); |
2045 | memset(newlist, 0, sizeof(struct server)); | |
849a8357 SK |
2046 | } |
2047 | ||
2048 | if (option == 'A') | |
2049 | { | |
2050 | newlist->flags |= SERV_LITERAL_ADDRESS; | |
2051 | if (!(newlist->flags & SERV_TYPE)) | |
c4a7f90e | 2052 | ret_err(gen_err); |
849a8357 | 2053 | } |
8ef5ada2 SK |
2054 | else if (option == LOPT_NO_REBIND) |
2055 | newlist->flags |= SERV_NO_REBIND; | |
849a8357 SK |
2056 | |
2057 | if (!arg || !*arg) | |
2058 | { | |
8ef5ada2 SK |
2059 | if (!(newlist->flags & SERV_NO_REBIND)) |
2060 | newlist->flags |= SERV_NO_ADDR; /* no server */ | |
2061 | if (newlist->flags & SERV_LITERAL_ADDRESS) | |
c4a7f90e | 2062 | ret_err(gen_err); |
8ef5ada2 SK |
2063 | } |
2064 | ||
2065 | else if (strcmp(arg, "#") == 0) | |
2066 | { | |
2067 | newlist->flags |= SERV_USE_RESOLV; /* treat in ordinary way */ | |
849a8357 | 2068 | if (newlist->flags & SERV_LITERAL_ADDRESS) |
c4a7f90e | 2069 | ret_err(gen_err); |
849a8357 SK |
2070 | } |
2071 | else | |
2072 | { | |
faafb3f7 SK |
2073 | char *err = parse_server(arg, &newlist->addr, &newlist->source_addr, newlist->interface, &newlist->flags); |
2074 | if (err) | |
2075 | ret_err(err); | |
849a8357 SK |
2076 | } |
2077 | ||
f2621c7f SK |
2078 | serv = newlist; |
2079 | while (serv->next) | |
849a8357 | 2080 | { |
f2621c7f SK |
2081 | serv->next->flags = serv->flags; |
2082 | serv->next->addr = serv->addr; | |
2083 | serv->next->source_addr = serv->source_addr; | |
faafb3f7 | 2084 | strcpy(serv->next->interface, serv->interface); |
f2621c7f | 2085 | serv = serv->next; |
849a8357 | 2086 | } |
f2621c7f SK |
2087 | serv->next = daemon->servers; |
2088 | daemon->servers = newlist; | |
849a8357 SK |
2089 | break; |
2090 | } | |
13d86c73 JD |
2091 | |
2092 | case LOPT_IPSET: /* --ipset */ | |
2093 | #ifndef HAVE_IPSET | |
2094 | ret_err(_("recompile with HAVE_IPSET defined to enable ipset directives")); | |
2095 | break; | |
2096 | #else | |
2097 | { | |
2098 | struct ipsets ipsets_head; | |
2099 | struct ipsets *ipsets = &ipsets_head; | |
2100 | int size; | |
2101 | char *end; | |
2102 | char **sets, **sets_pos; | |
2103 | memset(ipsets, 0, sizeof(struct ipsets)); | |
2104 | unhide_metas(arg); | |
2105 | if (arg && *arg == '/') | |
2106 | { | |
2107 | arg++; | |
2108 | while ((end = split_chr(arg, '/'))) | |
2109 | { | |
2110 | char *domain = NULL; | |
2111 | /* elide leading dots - they are implied in the search algorithm */ | |
2112 | while (*arg == '.') | |
2113 | arg++; | |
2114 | /* # matches everything and becomes a zero length domain string */ | |
2115 | if (strcmp(arg, "#") == 0 || !*arg) | |
2116 | domain = ""; | |
2117 | else if (strlen(arg) != 0 && !(domain = canonicalise_opt(arg))) | |
2118 | option = '?'; | |
2119 | ipsets->next = opt_malloc(sizeof(struct ipsets)); | |
2120 | ipsets = ipsets->next; | |
2121 | memset(ipsets, 0, sizeof(struct ipsets)); | |
2122 | ipsets->domain = domain; | |
2123 | arg = end; | |
2124 | } | |
2125 | } | |
2126 | else | |
2127 | { | |
2128 | ipsets->next = opt_malloc(sizeof(struct ipsets)); | |
2129 | ipsets = ipsets->next; | |
2130 | memset(ipsets, 0, sizeof(struct ipsets)); | |
2131 | ipsets->domain = ""; | |
2132 | } | |
2133 | if (!arg || !*arg) | |
2134 | { | |
2135 | option = '?'; | |
2136 | break; | |
2137 | } | |
2138 | size = 2; | |
2139 | for (end = arg; *end; ++end) | |
2140 | if (*end == ',') | |
2141 | ++size; | |
2142 | ||
2143 | sets = sets_pos = opt_malloc(sizeof(char *) * size); | |
2144 | ||
2145 | do { | |
2146 | end = split(arg); | |
2147 | *sets_pos++ = opt_string_alloc(arg); | |
2148 | arg = end; | |
2149 | } while (end); | |
2150 | *sets_pos = 0; | |
2151 | for (ipsets = &ipsets_head; ipsets->next; ipsets = ipsets->next) | |
2152 | ipsets->next->sets = sets; | |
2153 | ipsets->next = daemon->ipsets; | |
2154 | daemon->ipsets = ipsets_head.next; | |
2155 | ||
2156 | break; | |
2157 | } | |
2158 | #endif | |
849a8357 | 2159 | |
f2621c7f | 2160 | case 'c': /* --cache-size */ |
849a8357 SK |
2161 | { |
2162 | int size; | |
2163 | ||
2164 | if (!atoi_check(arg, &size)) | |
c4a7f90e | 2165 | ret_err(gen_err); |
849a8357 SK |
2166 | else |
2167 | { | |
2168 | /* zero is OK, and means no caching. */ | |
2169 | ||
2170 | if (size < 0) | |
2171 | size = 0; | |
2172 | else if (size > 10000) | |
2173 | size = 10000; | |
2174 | ||
2175 | daemon->cachesize = size; | |
2176 | } | |
2177 | break; | |
2178 | } | |
2179 | ||
f2621c7f | 2180 | case 'p': /* --port */ |
1ad24ae1 | 2181 | if (!atoi_check16(arg, &daemon->port)) |
c4a7f90e | 2182 | ret_err(gen_err); |
849a8357 | 2183 | break; |
208b65c5 | 2184 | |
1a6bca81 | 2185 | case LOPT_MINPORT: /* --min-port */ |
1ad24ae1 | 2186 | if (!atoi_check16(arg, &daemon->min_port)) |
c4a7f90e | 2187 | ret_err(gen_err); |
1a6bca81 SK |
2188 | break; |
2189 | ||
f2621c7f | 2190 | case '0': /* --dns-forward-max */ |
208b65c5 | 2191 | if (!atoi_check(arg, &daemon->ftabsize)) |
c4a7f90e | 2192 | ret_err(gen_err); |
208b65c5 SK |
2193 | break; |
2194 | ||
f2621c7f SK |
2195 | case LOPT_MAX_LOGS: /* --log-async */ |
2196 | daemon->max_logs = LOG_MAX; /* default */ | |
2197 | if (arg && !atoi_check(arg, &daemon->max_logs)) | |
c4a7f90e | 2198 | ret_err(gen_err); |
f2621c7f SK |
2199 | else if (daemon->max_logs > 100) |
2200 | daemon->max_logs = 100; | |
2201 | break; | |
2202 | ||
2203 | case 'P': /* --edns-packet-max */ | |
849a8357 SK |
2204 | { |
2205 | int i; | |
2206 | if (!atoi_check(arg, &i)) | |
c4a7f90e | 2207 | ret_err(gen_err); |
849a8357 SK |
2208 | daemon->edns_pktsz = (unsigned short)i; |
2209 | break; | |
2210 | } | |
2211 | ||
f2621c7f | 2212 | case 'Q': /* --query-port */ |
1ad24ae1 | 2213 | if (!atoi_check16(arg, &daemon->query_port)) |
c4a7f90e | 2214 | ret_err(gen_err); |
1a6bca81 SK |
2215 | /* if explicitly set to zero, use single OS ephemeral port |
2216 | and disable random ports */ | |
2217 | if (daemon->query_port == 0) | |
2218 | daemon->osport = 1; | |
849a8357 SK |
2219 | break; |
2220 | ||
824af85b SK |
2221 | case 'T': /* --local-ttl */ |
2222 | case LOPT_NEGTTL: /* --neg-ttl */ | |
8ef5ada2 | 2223 | case LOPT_MAXTTL: /* --max-ttl */ |
1d860415 | 2224 | case LOPT_MAXCTTL: /* --max-cache-ttl */ |
4f7b304f | 2225 | case LOPT_AUTHTTL: /* --auth-ttl */ |
849a8357 SK |
2226 | { |
2227 | int ttl; | |
2228 | if (!atoi_check(arg, &ttl)) | |
c4a7f90e | 2229 | ret_err(gen_err); |
824af85b SK |
2230 | else if (option == LOPT_NEGTTL) |
2231 | daemon->neg_ttl = (unsigned long)ttl; | |
8ef5ada2 SK |
2232 | else if (option == LOPT_MAXTTL) |
2233 | daemon->max_ttl = (unsigned long)ttl; | |
1d860415 SK |
2234 | else if (option == LOPT_MAXCTTL) |
2235 | daemon->max_cache_ttl = (unsigned long)ttl; | |
4f7b304f SK |
2236 | else if (option == LOPT_AUTHTTL) |
2237 | daemon->auth_ttl = (unsigned long)ttl; | |
849a8357 SK |
2238 | else |
2239 | daemon->local_ttl = (unsigned long)ttl; | |
2240 | break; | |
2241 | } | |
2242 | ||
7622fc06 | 2243 | #ifdef HAVE_DHCP |
f2621c7f | 2244 | case 'X': /* --dhcp-lease-max */ |
849a8357 | 2245 | if (!atoi_check(arg, &daemon->dhcp_max)) |
c4a7f90e | 2246 | ret_err(gen_err); |
849a8357 | 2247 | break; |
7622fc06 | 2248 | #endif |
849a8357 | 2249 | |
7622fc06 | 2250 | #ifdef HAVE_TFTP |
f2621c7f | 2251 | case LOPT_TFTP_MAX: /* --tftp-max */ |
832af0ba | 2252 | if (!atoi_check(arg, &daemon->tftp_max)) |
c4a7f90e | 2253 | ret_err(gen_err); |
832af0ba SK |
2254 | break; |
2255 | ||
824af85b | 2256 | case LOPT_PREFIX: /* --tftp-prefix */ |
8ef5ada2 SK |
2257 | comma = split(arg); |
2258 | if (comma) | |
2259 | { | |
2260 | struct tftp_prefix *new = opt_malloc(sizeof(struct tftp_prefix)); | |
2261 | new->interface = opt_string_alloc(comma); | |
2262 | new->prefix = opt_string_alloc(arg); | |
2263 | new->next = daemon->if_prefix; | |
2264 | daemon->if_prefix = new; | |
2265 | } | |
2266 | else | |
2267 | daemon->tftp_prefix = opt_string_alloc(arg); | |
832af0ba SK |
2268 | break; |
2269 | ||
824af85b SK |
2270 | case LOPT_TFTPPORTS: /* --tftp-port-range */ |
2271 | if (!(comma = split(arg)) || | |
1ad24ae1 SK |
2272 | !atoi_check16(arg, &daemon->start_tftp_port) || |
2273 | !atoi_check16(comma, &daemon->end_tftp_port)) | |
c4a7f90e | 2274 | ret_err(_("bad port range")); |
824af85b SK |
2275 | |
2276 | if (daemon->start_tftp_port > daemon->end_tftp_port) | |
2277 | { | |
2278 | int tmp = daemon->start_tftp_port; | |
2279 | daemon->start_tftp_port = daemon->end_tftp_port; | |
2280 | daemon->end_tftp_port = tmp; | |
2281 | } | |
2282 | ||
2283 | break; | |
7622fc06 | 2284 | #endif |
824af85b | 2285 | |
f2621c7f | 2286 | case LOPT_BRIDGE: /* --bridge-interface */ |
832af0ba | 2287 | { |
824af85b | 2288 | struct dhcp_bridge *new = opt_malloc(sizeof(struct dhcp_bridge)); |
316e2730 | 2289 | if (!(comma = split(arg)) || strlen(arg) > IF_NAMESIZE - 1 ) |
c4a7f90e | 2290 | ret_err(_("bad bridge-interface")); |
832af0ba | 2291 | |
316e2730 | 2292 | strcpy(new->iface, arg); |
832af0ba SK |
2293 | new->alias = NULL; |
2294 | new->next = daemon->bridges; | |
2295 | daemon->bridges = new; | |
2296 | ||
2297 | do { | |
f2621c7f SK |
2298 | arg = comma; |
2299 | comma = split(arg); | |
316e2730 | 2300 | if (strlen(arg) != 0 && strlen(arg) <= IF_NAMESIZE - 1) |
832af0ba | 2301 | { |
824af85b | 2302 | struct dhcp_bridge *b = opt_malloc(sizeof(struct dhcp_bridge)); |
832af0ba SK |
2303 | b->next = new->alias; |
2304 | new->alias = b; | |
316e2730 | 2305 | strcpy(b->iface, arg); |
832af0ba SK |
2306 | } |
2307 | } while (comma); | |
2308 | ||
2309 | break; | |
2310 | } | |
832af0ba | 2311 | |
7622fc06 | 2312 | #ifdef HAVE_DHCP |
f2621c7f | 2313 | case 'F': /* --dhcp-range */ |
849a8357 SK |
2314 | { |
2315 | int k, leasepos = 2; | |
8445f5d2 | 2316 | char *cp, *a[8] = { NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL }; |
824af85b | 2317 | struct dhcp_context *new = opt_malloc(sizeof(struct dhcp_context)); |
849a8357 | 2318 | |
52b92f4d | 2319 | memset (new, 0, sizeof(*new)); |
849a8357 | 2320 | new->lease_time = DEFLEASE; |
52b92f4d | 2321 | |
849a8357 SK |
2322 | if (!arg) |
2323 | { | |
2324 | option = '?'; | |
2325 | break; | |
2326 | } | |
2327 | ||
2328 | while(1) | |
2329 | { | |
2330 | for (cp = arg; *cp; cp++) | |
52b92f4d SK |
2331 | if (!(*cp == ' ' || *cp == '.' || *cp == ':' || |
2332 | (*cp >= 'a' && *cp <= 'f') || (*cp >= 'A' && *cp <= 'F') || | |
2333 | (*cp >='0' && *cp <= '9'))) | |
849a8357 SK |
2334 | break; |
2335 | ||
f2621c7f | 2336 | if (*cp != ',' && (comma = split(arg))) |
849a8357 | 2337 | { |
8bc4cece | 2338 | if (is_tag_prefix(arg)) |
9e4abcb5 | 2339 | { |
824af85b SK |
2340 | struct dhcp_netid *tt = opt_malloc(sizeof (struct dhcp_netid)); |
2341 | tt->net = opt_string_alloc(arg+4); | |
849a8357 SK |
2342 | tt->next = new->filter; |
2343 | new->filter = tt; | |
9e4abcb5 SK |
2344 | } |
2345 | else | |
2346 | { | |
849a8357 | 2347 | if (new->netid.net) |
c4a7f90e | 2348 | ret_err(_("only one tag allowed")); |
8ef5ada2 SK |
2349 | else if (strstr(arg, "set:") == arg) |
2350 | new->netid.net = opt_string_alloc(arg+4); | |
9e4abcb5 | 2351 | else |
824af85b | 2352 | new->netid.net = opt_string_alloc(arg); |
9e4abcb5 | 2353 | } |
f2621c7f | 2354 | arg = comma; |
9e4abcb5 | 2355 | } |
849a8357 | 2356 | else |
9e4abcb5 | 2357 | { |
849a8357 | 2358 | a[0] = arg; |
9e4abcb5 SK |
2359 | break; |
2360 | } | |
849a8357 SK |
2361 | } |
2362 | ||
1f776932 | 2363 | for (k = 1; k < 8; k++) |
f2621c7f SK |
2364 | if (!(a[k] = split(a[k-1]))) |
2365 | break; | |
849a8357 | 2366 | |
52b92f4d | 2367 | if (k < 2) |
c4a7f90e SK |
2368 | ret_err(_("bad dhcp-range")); |
2369 | ||
2370 | if (inet_pton(AF_INET, a[0], &new->start)) | |
849a8357 | 2371 | { |
52b92f4d SK |
2372 | new->next = daemon->dhcp; |
2373 | daemon->dhcp = new; | |
30cd9666 | 2374 | new->end = new->start; |
52b92f4d | 2375 | if (strcmp(a[1], "static") == 0) |
30cd9666 | 2376 | new->flags |= CONTEXT_STATIC; |
52b92f4d | 2377 | else if (strcmp(a[1], "proxy") == 0) |
30cd9666 SK |
2378 | new->flags |= CONTEXT_PROXY; |
2379 | else if (!inet_pton(AF_INET, a[1], &new->end)) | |
c4a7f90e | 2380 | ret_err(_("bad dhcp-range")); |
52b92f4d SK |
2381 | |
2382 | if (ntohl(new->start.s_addr) > ntohl(new->end.s_addr)) | |
2383 | { | |
2384 | struct in_addr tmp = new->start; | |
2385 | new->start = new->end; | |
2386 | new->end = tmp; | |
2387 | } | |
2388 | ||
c4a7f90e | 2389 | if (k >= 3 && strchr(a[2], '.') && |
ddd9a6b4 | 2390 | (inet_pton(AF_INET, a[2], &new->netmask) > 0)) |
52b92f4d SK |
2391 | { |
2392 | new->flags |= CONTEXT_NETMASK; | |
2393 | leasepos = 3; | |
2394 | if (!is_same_net(new->start, new->end, new->netmask)) | |
c4a7f90e | 2395 | ret_err(_("inconsistent DHCP range")); |
52b92f4d SK |
2396 | } |
2397 | ||
2398 | if (k >= 4 && strchr(a[3], '.') && | |
ddd9a6b4 | 2399 | (inet_pton(AF_INET, a[3], &new->broadcast) > 0)) |
52b92f4d SK |
2400 | { |
2401 | new->flags |= CONTEXT_BRDCAST; | |
2402 | leasepos = 4; | |
2403 | } | |
849a8357 | 2404 | } |
52b92f4d SK |
2405 | #ifdef HAVE_DHCP6 |
2406 | else if (inet_pton(AF_INET6, a[0], &new->start6)) | |
849a8357 | 2407 | { |
52b92f4d | 2408 | new->prefix = 64; /* default */ |
30cd9666 | 2409 | new->end6 = new->start6; |
6692a1a5 SK |
2410 | new->next = daemon->dhcp6; |
2411 | daemon->dhcp6 = new; | |
2412 | ||
30cd9666 | 2413 | for (leasepos = 1; leasepos < k; leasepos++) |
801ca9a7 | 2414 | { |
30cd9666 SK |
2415 | if (strcmp(a[leasepos], "static") == 0) |
2416 | new->flags |= CONTEXT_STATIC | CONTEXT_DHCP; | |
2417 | else if (strcmp(a[leasepos], "ra-only") == 0 || strcmp(a[leasepos], "slaac") == 0 ) | |
1f776932 | 2418 | new->flags |= CONTEXT_RA_ONLY | CONTEXT_RA; |
30cd9666 | 2419 | else if (strcmp(a[leasepos], "ra-names") == 0) |
1f776932 | 2420 | new->flags |= CONTEXT_RA_NAME | CONTEXT_RA; |
30cd9666 | 2421 | else if (strcmp(a[leasepos], "ra-stateless") == 0) |
1f776932 | 2422 | new->flags |= CONTEXT_RA_STATELESS | CONTEXT_DHCP | CONTEXT_RA; |
30cd9666 SK |
2423 | else if (leasepos == 1 && inet_pton(AF_INET6, a[leasepos], &new->end6)) |
2424 | new->flags |= CONTEXT_DHCP; | |
1f776932 SK |
2425 | else if (strstr(a[leasepos], "constructor:") == a[leasepos]) |
2426 | { | |
2427 | new->template_interface = opt_string_alloc(a[leasepos] + 12); | |
2428 | new->flags |= CONTEXT_TEMPLATE; | |
2429 | } | |
921360ce SK |
2430 | else if (strstr(a[leasepos], "constructor-noauth:") == a[leasepos]) |
2431 | { | |
2432 | new->template_interface = opt_string_alloc(a[leasepos] + 19); | |
2433 | new->flags |= CONTEXT_TEMPLATE | CONTEXT_NOAUTH; | |
2434 | } | |
30cd9666 SK |
2435 | else |
2436 | break; | |
801ca9a7 | 2437 | } |
6692a1a5 | 2438 | |
52b92f4d | 2439 | /* bare integer < 128 is prefix value */ |
c4a7f90e | 2440 | if (leasepos < k) |
52b92f4d SK |
2441 | { |
2442 | int pref; | |
30cd9666 | 2443 | for (cp = a[leasepos]; *cp; cp++) |
52b92f4d SK |
2444 | if (!(*cp >= '0' && *cp <= '9')) |
2445 | break; | |
30cd9666 | 2446 | if (!*cp && (pref = atoi(a[leasepos])) <= 128) |
52b92f4d SK |
2447 | { |
2448 | new->prefix = pref; | |
30cd9666 | 2449 | leasepos++; |
52b92f4d SK |
2450 | } |
2451 | } | |
30cd9666 | 2452 | |
6692a1a5 SK |
2453 | if (new->prefix != 64) |
2454 | { | |
2455 | if ((new->flags & (CONTEXT_RA_ONLY | CONTEXT_RA_NAME | CONTEXT_RA_STATELESS))) | |
2456 | ret_err(_("prefix length must be exactly 64 for RA subnets")); | |
2457 | else if (new->flags & CONTEXT_TEMPLATE) | |
2458 | ret_err(_("prefix length must be exactly 64 for subnet constructors")); | |
2459 | } | |
2460 | ||
2461 | if (new->prefix < 64) | |
2462 | ret_err(_("prefix length must be at least 64")); | |
2463 | ||
c4a7f90e SK |
2464 | if (!is_same_net6(&new->start6, &new->end6, new->prefix)) |
2465 | ret_err(_("inconsistent DHCPv6 range")); | |
6692a1a5 SK |
2466 | |
2467 | /* dhcp-range=:: enables DHCP stateless on any interface */ | |
2468 | if (IN6_IS_ADDR_UNSPECIFIED(&new->start6) && !(new->flags & CONTEXT_TEMPLATE)) | |
2469 | new->prefix = 0; | |
66409193 SK |
2470 | |
2471 | if (new->flags & CONTEXT_TEMPLATE) | |
2472 | { | |
2473 | struct in6_addr zero; | |
2474 | memset(&zero, 0, sizeof(zero)); | |
2475 | if (!is_same_net6(&zero, &new->start6, new->prefix)) | |
2476 | ret_err(_("prefix must be zero with \"constructor:\" argument")); | |
2477 | } | |
2478 | ||
c4a7f90e | 2479 | if (addr6part(&new->start6) > addr6part(&new->end6)) |
52b92f4d SK |
2480 | { |
2481 | struct in6_addr tmp = new->start6; | |
2482 | new->start6 = new->end6; | |
2483 | new->end6 = tmp; | |
2484 | } | |
849a8357 | 2485 | } |
52b92f4d | 2486 | #endif |
d9ee9c08 SK |
2487 | else |
2488 | ret_err(_("bad dhcp-range")); | |
849a8357 | 2489 | |
30cd9666 | 2490 | if (leasepos < k) |
849a8357 SK |
2491 | { |
2492 | if (strcmp(a[leasepos], "infinite") == 0) | |
2493 | new->lease_time = 0xffffffff; | |
c8257540 SK |
2494 | else if (strcmp(a[leasepos], "deprecated") == 0) |
2495 | new->flags |= CONTEXT_DEPRECATE; | |
849a8357 | 2496 | else |
9e4abcb5 | 2497 | { |
849a8357 SK |
2498 | int fac = 1; |
2499 | if (strlen(a[leasepos]) > 0) | |
36717eee | 2500 | { |
849a8357 | 2501 | switch (a[leasepos][strlen(a[leasepos]) - 1]) |
36717eee | 2502 | { |
42243214 SK |
2503 | case 'w': |
2504 | case 'W': | |
2505 | fac *= 7; | |
2506 | /* fall through */ | |
849a8357 SK |
2507 | case 'd': |
2508 | case 'D': | |
2509 | fac *= 24; | |
2510 | /* fall though */ | |
2511 | case 'h': | |
2512 | case 'H': | |
2513 | fac *= 60; | |
2514 | /* fall through */ | |
2515 | case 'm': | |
2516 | case 'M': | |
2517 | fac *= 60; | |
2518 | /* fall through */ | |
2519 | case 's': | |
2520 | case 'S': | |
f2621c7f | 2521 | a[leasepos][strlen(a[leasepos]) - 1] = 0; |
9e4abcb5 | 2522 | } |
849a8357 | 2523 | |
be37986a SK |
2524 | for (cp = a[leasepos]; *cp; cp++) |
2525 | if (!(*cp >= '0' && *cp <= '9')) | |
2526 | break; | |
2527 | ||
54dae552 | 2528 | if (*cp || (leasepos+1 < k)) |
be37986a SK |
2529 | ret_err(_("bad dhcp-range")); |
2530 | ||
849a8357 SK |
2531 | new->lease_time = atoi(a[leasepos]) * fac; |
2532 | /* Leases of a minute or less confuse | |
2533 | some clients, notably Apple's */ | |
2534 | if (new->lease_time < 120) | |
2535 | new->lease_time = 120; | |
9e4abcb5 | 2536 | } |
9e4abcb5 | 2537 | } |
849a8357 SK |
2538 | } |
2539 | break; | |
2540 | } | |
5aabfc78 | 2541 | |
5aabfc78 | 2542 | case LOPT_BANK: |
f2621c7f | 2543 | case 'G': /* --dhcp-host */ |
849a8357 | 2544 | { |
f2621c7f | 2545 | int j, k = 0; |
3e8ed78b | 2546 | char *a[7] = { NULL, NULL, NULL, NULL, NULL, NULL, NULL }; |
5aabfc78 | 2547 | struct dhcp_config *new; |
849a8357 SK |
2548 | struct in_addr in; |
2549 | ||
824af85b SK |
2550 | new = opt_malloc(sizeof(struct dhcp_config)); |
2551 | ||
849a8357 | 2552 | new->next = daemon->dhcp_conf; |
9009d746 SK |
2553 | new->flags = (option == LOPT_BANK) ? CONFIG_BANK : 0; |
2554 | new->hwaddr = NULL; | |
8ef5ada2 SK |
2555 | new->netid = NULL; |
2556 | ||
849a8357 | 2557 | if ((a[0] = arg)) |
3e8ed78b | 2558 | for (k = 1; k < 7; k++) |
f2621c7f SK |
2559 | if (!(a[k] = split(a[k-1]))) |
2560 | break; | |
849a8357 SK |
2561 | |
2562 | for (j = 0; j < k; j++) | |
2563 | if (strchr(a[j], ':')) /* ethernet address, netid or binary CLID */ | |
2564 | { | |
2565 | char *arg = a[j]; | |
2566 | ||
2567 | if ((arg[0] == 'i' || arg[0] == 'I') && | |
2568 | (arg[1] == 'd' || arg[1] == 'D') && | |
2569 | arg[2] == ':') | |
2570 | { | |
2571 | if (arg[3] == '*') | |
2572 | new->flags |= CONFIG_NOCLID; | |
2573 | else | |
3d8df260 | 2574 | { |
849a8357 SK |
2575 | int len; |
2576 | arg += 3; /* dump id: */ | |
2577 | if (strchr(arg, ':')) | |
2578 | len = parse_hex(arg, (unsigned char *)arg, -1, NULL, NULL); | |
2579 | else | |
5aabfc78 SK |
2580 | { |
2581 | unhide_metas(arg); | |
2582 | len = (int) strlen(arg); | |
2583 | } | |
2584 | ||
28866e95 | 2585 | if (len == -1) |
9f7f3b12 | 2586 | |
c4a7f90e | 2587 | ret_err(_("bad hex constant")); |
28866e95 | 2588 | else if ((new->clid = opt_malloc(len))) |
5aabfc78 SK |
2589 | { |
2590 | new->flags |= CONFIG_CLID; | |
2591 | new->clid_len = len; | |
2592 | memcpy(new->clid, arg, len); | |
2593 | } | |
3d8df260 | 2594 | } |
849a8357 | 2595 | } |
8ef5ada2 SK |
2596 | /* dhcp-host has strange backwards-compat needs. */ |
2597 | else if (strstr(arg, "net:") == arg || strstr(arg, "set:") == arg) | |
849a8357 | 2598 | { |
8ef5ada2 SK |
2599 | struct dhcp_netid *newtag = opt_malloc(sizeof(struct dhcp_netid)); |
2600 | struct dhcp_netid_list *newlist = opt_malloc(sizeof(struct dhcp_netid_list)); | |
2601 | newtag->net = opt_malloc(strlen(arg + 4) + 1); | |
2602 | newlist->next = new->netid; | |
2603 | new->netid = newlist; | |
2604 | newlist->list = newtag; | |
2605 | strcpy(newtag->net, arg+4); | |
2606 | unhide_metas(newtag->net); | |
849a8357 | 2607 | } |
7de060b0 | 2608 | else if (strstr(arg, "tag:") == arg) |
c4a7f90e | 2609 | ret_err(_("cannot match tags in --dhcp-host")); |
4cb1b320 SK |
2610 | #ifdef HAVE_DHCP6 |
2611 | else if (arg[0] == '[' && arg[strlen(arg)-1] == ']') | |
2612 | { | |
2613 | arg[strlen(arg)-1] = 0; | |
2614 | arg++; | |
2615 | ||
2616 | if (!inet_pton(AF_INET6, arg, &new->addr6)) | |
c4a7f90e | 2617 | ret_err(_("bad IPv6 address")); |
30393100 SK |
2618 | |
2619 | for (i= 0; i < 8; i++) | |
2620 | if (new->addr6.s6_addr[i] != 0) | |
2621 | break; | |
2622 | ||
2623 | /* set WILDCARD if network part all zeros */ | |
2624 | if (i == 8) | |
2625 | new->flags |= CONFIG_WILDCARD; | |
4cb1b320 SK |
2626 | |
2627 | new->flags |= CONFIG_ADDR6; | |
2628 | } | |
2629 | #endif | |
7de060b0 | 2630 | else |
849a8357 | 2631 | { |
9009d746 | 2632 | struct hwaddr_config *newhw = opt_malloc(sizeof(struct hwaddr_config)); |
28866e95 SK |
2633 | if ((newhw->hwaddr_len = parse_hex(a[j], newhw->hwaddr, DHCP_CHADDR_MAX, |
2634 | &newhw->wildcard_mask, &newhw->hwaddr_type)) == -1) | |
c4a7f90e | 2635 | ret_err(_("bad hex constant")); |
28866e95 SK |
2636 | else |
2637 | { | |
2638 | ||
2639 | newhw->next = new->hwaddr; | |
2640 | new->hwaddr = newhw; | |
2641 | } | |
849a8357 SK |
2642 | } |
2643 | } | |
ddd9a6b4 | 2644 | else if (strchr(a[j], '.') && (inet_pton(AF_INET, a[j], &in) > 0)) |
849a8357 | 2645 | { |
c4a7f90e SK |
2646 | struct dhcp_config *configs; |
2647 | ||
849a8357 SK |
2648 | new->addr = in; |
2649 | new->flags |= CONFIG_ADDR; | |
c4a7f90e SK |
2650 | |
2651 | /* If the same IP appears in more than one host config, then DISCOVER | |
2652 | for one of the hosts will get the address, but REQUEST will be NAKed, | |
2653 | since the address is reserved by the other one -> protocol loop. */ | |
2654 | for (configs = daemon->dhcp_conf; configs; configs = configs->next) | |
2655 | if ((configs->flags & CONFIG_ADDR) && configs->addr.s_addr == in.s_addr) | |
2656 | { | |
2657 | sprintf(errstr, _("duplicate dhcp-host IP address %s"), inet_ntoa(in)); | |
2658 | return 0; | |
2659 | } | |
849a8357 SK |
2660 | } |
2661 | else | |
2662 | { | |
2663 | char *cp, *lastp = NULL, last = 0; | |
2664 | int fac = 1; | |
2665 | ||
2666 | if (strlen(a[j]) > 1) | |
2667 | { | |
2668 | lastp = a[j] + strlen(a[j]) - 1; | |
2669 | last = *lastp; | |
2670 | switch (last) | |
9e4abcb5 | 2671 | { |
42243214 SK |
2672 | case 'w': |
2673 | case 'W': | |
2674 | fac *= 7; | |
2675 | /* fall through */ | |
849a8357 SK |
2676 | case 'd': |
2677 | case 'D': | |
2678 | fac *= 24; | |
2679 | /* fall through */ | |
2680 | case 'h': | |
2681 | case 'H': | |
2682 | fac *= 60; | |
2683 | /* fall through */ | |
2684 | case 'm': | |
2685 | case 'M': | |
2686 | fac *= 60; | |
2687 | /* fall through */ | |
2688 | case 's': | |
2689 | case 'S': | |
2690 | *lastp = 0; | |
9e4abcb5 | 2691 | } |
849a8357 SK |
2692 | } |
2693 | ||
2694 | for (cp = a[j]; *cp; cp++) | |
572b41eb | 2695 | if (!isdigit((unsigned char)*cp) && *cp != ' ') |
849a8357 SK |
2696 | break; |
2697 | ||
2698 | if (*cp) | |
2699 | { | |
2700 | if (lastp) | |
2701 | *lastp = last; | |
2702 | if (strcmp(a[j], "infinite") == 0) | |
33820b7e | 2703 | { |
849a8357 SK |
2704 | new->lease_time = 0xffffffff; |
2705 | new->flags |= CONFIG_TIME; | |
33820b7e | 2706 | } |
849a8357 SK |
2707 | else if (strcmp(a[j], "ignore") == 0) |
2708 | new->flags |= CONFIG_DISABLE; | |
9e4abcb5 SK |
2709 | else |
2710 | { | |
1f15b81d SK |
2711 | if (!(new->hostname = canonicalise_opt(a[j])) || |
2712 | !legal_hostname(new->hostname)) | |
c4a7f90e SK |
2713 | ret_err(_("bad DHCP host name")); |
2714 | ||
2715 | new->flags |= CONFIG_NAME; | |
2716 | new->domain = strip_hostname(new->hostname); | |
9e4abcb5 | 2717 | } |
849a8357 SK |
2718 | } |
2719 | else | |
2720 | { | |
2721 | new->lease_time = atoi(a[j]) * fac; | |
2722 | /* Leases of a minute or less confuse | |
2723 | some clients, notably Apple's */ | |
2724 | if (new->lease_time < 120) | |
2725 | new->lease_time = 120; | |
2726 | new->flags |= CONFIG_TIME; | |
2727 | } | |
2728 | } | |
2729 | ||
5aabfc78 | 2730 | daemon->dhcp_conf = new; |
849a8357 SK |
2731 | break; |
2732 | } | |
8ef5ada2 SK |
2733 | |
2734 | case LOPT_TAG_IF: /* --tag-if */ | |
2735 | { | |
2736 | struct tag_if *new = opt_malloc(sizeof(struct tag_if)); | |
2737 | ||
2738 | new->tag = NULL; | |
2739 | new->set = NULL; | |
2740 | new->next = NULL; | |
2741 | ||
2742 | /* preserve order */ | |
2743 | if (!daemon->tag_if) | |
2744 | daemon->tag_if = new; | |
2745 | else | |
2746 | { | |
2747 | struct tag_if *tmp; | |
2748 | for (tmp = daemon->tag_if; tmp->next; tmp = tmp->next); | |
2749 | tmp->next = new; | |
2750 | } | |
2751 | ||
2752 | while (arg) | |
2753 | { | |
2754 | size_t len; | |
2755 | ||
2756 | comma = split(arg); | |
2757 | len = strlen(arg); | |
2758 | ||
2759 | if (len < 5) | |
2760 | { | |
2761 | new->set = NULL; | |
2762 | break; | |
2763 | } | |
2764 | else | |
2765 | { | |
2766 | struct dhcp_netid *newtag = opt_malloc(sizeof(struct dhcp_netid)); | |
2767 | newtag->net = opt_malloc(len - 3); | |
2768 | strcpy(newtag->net, arg+4); | |
2769 | unhide_metas(newtag->net); | |
2770 | ||
2771 | if (strstr(arg, "set:") == arg) | |
2772 | { | |
2773 | struct dhcp_netid_list *newlist = opt_malloc(sizeof(struct dhcp_netid_list)); | |
2774 | newlist->next = new->set; | |
2775 | new->set = newlist; | |
2776 | newlist->list = newtag; | |
2777 | } | |
2778 | else if (strstr(arg, "tag:") == arg) | |
2779 | { | |
2780 | newtag->next = new->tag; | |
2781 | new->tag = newtag; | |
2782 | } | |
2783 | else | |
2784 | { | |
2785 | new->set = NULL; | |
4dc9c657 | 2786 | free(newtag); |
8ef5ada2 SK |
2787 | break; |
2788 | } | |
2789 | } | |
2790 | ||
2791 | arg = comma; | |
2792 | } | |
2793 | ||
2794 | if (!new->set) | |
c4a7f90e | 2795 | ret_err(_("bad tag-if")); |
8ef5ada2 SK |
2796 | |
2797 | break; | |
2798 | } | |
2799 | ||
849a8357 | 2800 | |
73a08a24 SK |
2801 | case 'O': /* --dhcp-option */ |
2802 | case LOPT_FORCE: /* --dhcp-option-force */ | |
824af85b | 2803 | case LOPT_OPTS: |
73a08a24 | 2804 | case LOPT_MATCH: /* --dhcp-match */ |
c4a7f90e SK |
2805 | return parse_dhcp_opt(errstr, arg, |
2806 | option == LOPT_FORCE ? DHOPT_FORCE : | |
2807 | (option == LOPT_MATCH ? DHOPT_MATCH : | |
2808 | (option == LOPT_OPTS ? DHOPT_BANK : 0))); | |
2809 | ||
f2621c7f | 2810 | case 'M': /* --dhcp-boot */ |
849a8357 SK |
2811 | { |
2812 | struct dhcp_netid *id = NULL; | |
8ef5ada2 | 2813 | while (is_tag_prefix(arg)) |
849a8357 | 2814 | { |
824af85b | 2815 | struct dhcp_netid *newid = opt_malloc(sizeof(struct dhcp_netid)); |
849a8357 SK |
2816 | newid->next = id; |
2817 | id = newid; | |
f2621c7f | 2818 | comma = split(arg); |
824af85b | 2819 | newid->net = opt_string_alloc(arg+4); |
849a8357 SK |
2820 | arg = comma; |
2821 | }; | |
2822 | ||
2823 | if (!arg) | |
c4a7f90e | 2824 | ret_err(gen_err); |
849a8357 SK |
2825 | else |
2826 | { | |
7de060b0 | 2827 | char *dhcp_file, *dhcp_sname = NULL, *tftp_sname = NULL; |
849a8357 | 2828 | struct in_addr dhcp_next_server; |
c4a7f90e | 2829 | struct dhcp_boot *new; |
f2621c7f | 2830 | comma = split(arg); |
824af85b | 2831 | dhcp_file = opt_string_alloc(arg); |
849a8357 SK |
2832 | dhcp_next_server.s_addr = 0; |
2833 | if (comma) | |
a84fa1d0 | 2834 | { |
849a8357 | 2835 | arg = comma; |
f2621c7f | 2836 | comma = split(arg); |
824af85b | 2837 | dhcp_sname = opt_string_alloc(arg); |
849a8357 | 2838 | if (comma) |
a84fa1d0 | 2839 | { |
849a8357 | 2840 | unhide_metas(comma); |
ddd9a6b4 SK |
2841 | if (!(inet_pton(AF_INET, comma, &dhcp_next_server) > 0)) |
2842 | { | |
2843 | /* | |
2844 | * The user may have specified the tftp hostname here. | |
2845 | * save it so that it can be resolved/looked up during | |
2846 | * actual dhcp_reply(). | |
2847 | */ | |
2848 | ||
2849 | tftp_sname = opt_string_alloc(comma); | |
2850 | dhcp_next_server.s_addr = 0; | |
2851 | } | |
a84fa1d0 | 2852 | } |
a84fa1d0 | 2853 | } |
c4a7f90e SK |
2854 | |
2855 | new = opt_malloc(sizeof(struct dhcp_boot)); | |
2856 | new->file = dhcp_file; | |
2857 | new->sname = dhcp_sname; | |
2858 | new->tftp_sname = tftp_sname; | |
2859 | new->next_server = dhcp_next_server; | |
2860 | new->netid = id; | |
2861 | new->next = daemon->boot_config; | |
2862 | daemon->boot_config = new; | |
849a8357 | 2863 | } |
ddd9a6b4 | 2864 | |
849a8357 SK |
2865 | break; |
2866 | } | |
7622fc06 SK |
2867 | |
2868 | case LOPT_PXE_PROMT: /* --pxe-prompt */ | |
2869 | { | |
2870 | struct dhcp_opt *new = opt_malloc(sizeof(struct dhcp_opt)); | |
2871 | int timeout; | |
2872 | ||
2873 | new->netid = NULL; | |
2874 | new->opt = 10; /* PXE_MENU_PROMPT */ | |
2875 | ||
8ef5ada2 SK |
2876 | while (is_tag_prefix(arg)) |
2877 | { | |
7622fc06 SK |
2878 | struct dhcp_netid *nn = opt_malloc(sizeof (struct dhcp_netid)); |
2879 | comma = split(arg); | |
2880 | nn->next = new->netid; | |
2881 | new->netid = nn; | |
2882 | nn->net = opt_string_alloc(arg+4); | |
2883 | arg = comma; | |
2884 | } | |
2885 | ||
2886 | if (!arg) | |
c4a7f90e | 2887 | ret_err(gen_err); |
7622fc06 SK |
2888 | else |
2889 | { | |
2890 | comma = split(arg); | |
2891 | unhide_metas(arg); | |
2892 | new->len = strlen(arg) + 1; | |
2893 | new->val = opt_malloc(new->len); | |
2894 | memcpy(new->val + 1, arg, new->len - 1); | |
2895 | ||
2896 | new->u.vendor_class = (unsigned char *)"PXEClient"; | |
2897 | new->flags = DHOPT_VENDOR; | |
2898 | ||
2899 | if (comma && atoi_check(comma, &timeout)) | |
2900 | *(new->val) = timeout; | |
2901 | else | |
2902 | *(new->val) = 255; | |
2903 | ||
2904 | new->next = daemon->dhcp_opts; | |
2905 | daemon->dhcp_opts = new; | |
1f15b81d | 2906 | daemon->enable_pxe = 1; |
7622fc06 SK |
2907 | } |
2908 | ||
2909 | break; | |
2910 | } | |
2911 | ||
2912 | case LOPT_PXE_SERV: /* --pxe-service */ | |
2913 | { | |
2914 | struct pxe_service *new = opt_malloc(sizeof(struct pxe_service)); | |
2915 | char *CSA[] = { "x86PC", "PC98", "IA64_EFI", "Alpha", "Arc_x86", "Intel_Lean_Client", | |
2916 | "IA32_EFI", "BC_EFI", "Xscale_EFI", "x86-64_EFI", NULL }; | |
2917 | static int boottype = 32768; | |
2918 | ||
2919 | new->netid = NULL; | |
751d6f4a | 2920 | new->sname = NULL; |
7622fc06 SK |
2921 | new->server.s_addr = 0; |
2922 | ||
8ef5ada2 | 2923 | while (is_tag_prefix(arg)) |
7622fc06 SK |
2924 | { |
2925 | struct dhcp_netid *nn = opt_malloc(sizeof (struct dhcp_netid)); | |
2926 | comma = split(arg); | |
2927 | nn->next = new->netid; | |
2928 | new->netid = nn; | |
2929 | nn->net = opt_string_alloc(arg+4); | |
2930 | arg = comma; | |
2931 | } | |
2932 | ||
2933 | if (arg && (comma = split(arg))) | |
2934 | { | |
2935 | for (i = 0; CSA[i]; i++) | |
2936 | if (strcasecmp(CSA[i], arg) == 0) | |
2937 | break; | |
2938 | ||
2939 | if (CSA[i] || atoi_check(arg, &i)) | |
2940 | { | |
2941 | arg = comma; | |
2942 | comma = split(arg); | |
2943 | ||
2944 | new->CSA = i; | |
2945 | new->menu = opt_string_alloc(arg); | |
2946 | ||
316e2730 SK |
2947 | if (!comma) |
2948 | { | |
2949 | new->type = 0; /* local boot */ | |
2950 | new->basename = NULL; | |
2951 | } | |
2952 | else | |
7622fc06 SK |
2953 | { |
2954 | arg = comma; | |
2955 | comma = split(arg); | |
2956 | if (atoi_check(arg, &i)) | |
2957 | { | |
2958 | new->type = i; | |
2959 | new->basename = NULL; | |
2960 | } | |
2961 | else | |
2962 | { | |
2963 | new->type = boottype++; | |
2964 | new->basename = opt_string_alloc(arg); | |
2965 | } | |
2966 | ||
751d6f4a SK |
2967 | if (comma) |
2968 | { | |
2969 | if (!inet_pton(AF_INET, comma, &new->server)) | |
2970 | { | |
2971 | new->server.s_addr = 0; | |
2972 | new->sname = opt_string_alloc(comma); | |
2973 | } | |
2974 | ||
2975 | } | |
7622fc06 | 2976 | } |
751d6f4a | 2977 | |
316e2730 SK |
2978 | /* Order matters */ |
2979 | new->next = NULL; | |
2980 | if (!daemon->pxe_services) | |
2981 | daemon->pxe_services = new; | |
2982 | else | |
2983 | { | |
2984 | struct pxe_service *s; | |
2985 | for (s = daemon->pxe_services; s->next; s = s->next); | |
2986 | s->next = new; | |
2987 | } | |
2988 | ||
2989 | daemon->enable_pxe = 1; | |
2990 | break; | |
2991 | ||
7622fc06 SK |
2992 | } |
2993 | } | |
2994 | ||
c4a7f90e | 2995 | ret_err(gen_err); |
7622fc06 SK |
2996 | } |
2997 | ||
f2621c7f | 2998 | case '4': /* --dhcp-mac */ |
849a8357 | 2999 | { |
f2621c7f | 3000 | if (!(comma = split(arg))) |
c4a7f90e | 3001 | ret_err(gen_err); |
849a8357 SK |
3002 | else |
3003 | { | |
824af85b | 3004 | struct dhcp_mac *new = opt_malloc(sizeof(struct dhcp_mac)); |
8ef5ada2 | 3005 | new->netid.net = opt_string_alloc(set_prefix(arg)); |
f2621c7f SK |
3006 | unhide_metas(comma); |
3007 | new->hwaddr_len = parse_hex(comma, new->hwaddr, DHCP_CHADDR_MAX, &new->mask, &new->hwaddr_type); | |
28866e95 | 3008 | if (new->hwaddr_len == -1) |
c4a7f90e | 3009 | ret_err(gen_err); |
28866e95 SK |
3010 | else |
3011 | { | |
3012 | new->next = daemon->dhcp_macs; | |
3013 | daemon->dhcp_macs = new; | |
3014 | } | |
849a8357 SK |
3015 | } |
3016 | } | |
3017 | break; | |
c630924d SK |
3018 | |
3019 | #ifdef OPTION6_PREFIX_CLASS | |
3020 | case LOPT_PREF_CLSS: /* --dhcp-prefix-class */ | |
3021 | { | |
3022 | struct prefix_class *new = opt_malloc(sizeof(struct prefix_class)); | |
3023 | ||
3024 | if (!(comma = split(arg)) || | |
3025 | !atoi_check16(comma, &new->class)) | |
3026 | ret_err(gen_err); | |
3027 | ||
3028 | new->tag.net = opt_string_alloc(set_prefix(arg)); | |
3029 | new->next = daemon->prefix_classes; | |
3030 | daemon->prefix_classes = new; | |
3031 | ||
3032 | break; | |
3033 | } | |
3034 | #endif | |
3035 | ||
3036 | ||
f2621c7f SK |
3037 | case 'U': /* --dhcp-vendorclass */ |
3038 | case 'j': /* --dhcp-userclass */ | |
3039 | case LOPT_CIRCUIT: /* --dhcp-circuitid */ | |
3040 | case LOPT_REMOTE: /* --dhcp-remoteid */ | |
3041 | case LOPT_SUBSCR: /* --dhcp-subscrid */ | |
849a8357 | 3042 | { |
c4a7f90e SK |
3043 | unsigned char *p; |
3044 | int dig = 0; | |
3045 | struct dhcp_vendor *new = opt_malloc(sizeof(struct dhcp_vendor)); | |
3046 | ||
3047 | if (!(comma = split(arg))) | |
3048 | ret_err(gen_err); | |
3049 | ||
3050 | new->netid.net = opt_string_alloc(set_prefix(arg)); | |
3051 | /* check for hex string - must digits may include : must not have nothing else, | |
3052 | only allowed for agent-options. */ | |
3053 | ||
3054 | arg = comma; | |
3055 | if ((comma = split(arg))) | |
3056 | { | |
3057 | if (option != 'U' || strstr(arg, "enterprise:") != arg) | |
3058 | ret_err(gen_err); | |
3059 | else | |
3060 | new->enterprise = atoi(arg+11); | |
3061 | } | |
3062 | else | |
3063 | comma = arg; | |
3064 | ||
3065 | for (p = (unsigned char *)comma; *p; p++) | |
3066 | if (isxdigit(*p)) | |
3067 | dig = 1; | |
3068 | else if (*p != ':') | |
3069 | break; | |
3070 | unhide_metas(comma); | |
3071 | if (option == 'U' || option == 'j' || *p || !dig) | |
3072 | { | |
3073 | new->len = strlen(comma); | |
3074 | new->data = opt_malloc(new->len); | |
3075 | memcpy(new->data, comma, new->len); | |
3076 | } | |
3077 | else | |
3078 | { | |
3079 | new->len = parse_hex(comma, (unsigned char *)comma, strlen(comma), NULL, NULL); | |
3080 | new->data = opt_malloc(new->len); | |
3081 | memcpy(new->data, comma, new->len); | |
3082 | } | |
3083 | ||
3084 | switch (option) | |
3085 | { | |
3086 | case 'j': | |
3087 | new->match_type = MATCH_USER; | |
3088 | break; | |
3089 | case 'U': | |
3090 | new->match_type = MATCH_VENDOR; | |
3091 | break; | |
3092 | case LOPT_CIRCUIT: | |
3093 | new->match_type = MATCH_CIRCUIT; | |
3094 | break; | |
3095 | case LOPT_REMOTE: | |
3096 | new->match_type = MATCH_REMOTE; | |
3097 | break; | |
3098 | case LOPT_SUBSCR: | |
3099 | new->match_type = MATCH_SUBSCRIBER; | |
3100 | break; | |
3101 | } | |
3102 | new->next = daemon->dhcp_vendors; | |
3103 | daemon->dhcp_vendors = new; | |
824af85b | 3104 | |
c4a7f90e | 3105 | break; |
849a8357 SK |
3106 | } |
3107 | ||
9e038946 SK |
3108 | case LOPT_ALTPORT: /* --dhcp-alternate-port */ |
3109 | if (!arg) | |
3110 | { | |
3111 | daemon->dhcp_server_port = DHCP_SERVER_ALTPORT; | |
3112 | daemon->dhcp_client_port = DHCP_CLIENT_ALTPORT; | |
3113 | } | |
3114 | else | |
3115 | { | |
3116 | comma = split(arg); | |
1ad24ae1 SK |
3117 | if (!atoi_check16(arg, &daemon->dhcp_server_port) || |
3118 | (comma && !atoi_check16(comma, &daemon->dhcp_client_port))) | |
c4a7f90e | 3119 | ret_err(_("invalid port number")); |
9e038946 SK |
3120 | if (!comma) |
3121 | daemon->dhcp_client_port = daemon->dhcp_server_port+1; | |
3122 | } | |
3123 | break; | |
3124 | ||
824af85b SK |
3125 | case 'J': /* --dhcp-ignore */ |
3126 | case LOPT_NO_NAMES: /* --dhcp-ignore-names */ | |
3127 | case LOPT_BROADCAST: /* --dhcp-broadcast */ | |
8ef5ada2 SK |
3128 | case '3': /* --bootp-dynamic */ |
3129 | case LOPT_GEN_NAMES: /* --dhcp-generate-names */ | |
849a8357 | 3130 | { |
824af85b | 3131 | struct dhcp_netid_list *new = opt_malloc(sizeof(struct dhcp_netid_list)); |
849a8357 | 3132 | struct dhcp_netid *list = NULL; |
832af0ba SK |
3133 | if (option == 'J') |
3134 | { | |
3135 | new->next = daemon->dhcp_ignore; | |
3136 | daemon->dhcp_ignore = new; | |
3137 | } | |
824af85b SK |
3138 | else if (option == LOPT_BROADCAST) |
3139 | { | |
3140 | new->next = daemon->force_broadcast; | |
3141 | daemon->force_broadcast = new; | |
3142 | } | |
9009d746 SK |
3143 | else if (option == '3') |
3144 | { | |
3145 | new->next = daemon->bootp_dynamic; | |
3146 | daemon->bootp_dynamic = new; | |
3147 | } | |
8ef5ada2 SK |
3148 | else if (option == LOPT_GEN_NAMES) |
3149 | { | |
3150 | new->next = daemon->dhcp_gen_names; | |
3151 | daemon->dhcp_gen_names = new; | |
3152 | } | |
832af0ba SK |
3153 | else |
3154 | { | |
3155 | new->next = daemon->dhcp_ignore_names; | |
3156 | daemon->dhcp_ignore_names = new; | |
3157 | } | |
3158 | ||
3159 | while (arg) { | |
824af85b | 3160 | struct dhcp_netid *member = opt_malloc(sizeof(struct dhcp_netid)); |
f2621c7f | 3161 | comma = split(arg); |
849a8357 SK |
3162 | member->next = list; |
3163 | list = member; | |
8ef5ada2 | 3164 | if (is_tag_prefix(arg)) |
9009d746 SK |
3165 | member->net = opt_string_alloc(arg+4); |
3166 | else | |
3167 | member->net = opt_string_alloc(arg); | |
849a8357 | 3168 | arg = comma; |
832af0ba | 3169 | } |
849a8357 SK |
3170 | |
3171 | new->list = list; | |
3172 | break; | |
3173 | } | |
8ef5ada2 SK |
3174 | |
3175 | case LOPT_PROXY: /* --dhcp-proxy */ | |
3176 | daemon->override = 1; | |
3177 | while (arg) { | |
3178 | struct addr_list *new = opt_malloc(sizeof(struct addr_list)); | |
3179 | comma = split(arg); | |
ddd9a6b4 | 3180 | if (!(inet_pton(AF_INET, arg, &new->addr) > 0)) |
c4a7f90e | 3181 | ret_err(_("bad dhcp-proxy address")); |
8ef5ada2 SK |
3182 | new->next = daemon->override_relays; |
3183 | daemon->override_relays = new; | |
3184 | arg = comma; | |
3185 | } | |
3186 | break; | |
7622fc06 | 3187 | #endif |
849a8357 | 3188 | |
8b372704 SK |
3189 | #ifdef HAVE_DHCP6 |
3190 | case LOPT_DUID: /* --dhcp-duid */ | |
3191 | if (!(comma = split(arg)) || !atoi_check(arg, (int *)&daemon->duid_enterprise)) | |
c4a7f90e | 3192 | ret_err(_("bad DUID")); |
8b372704 SK |
3193 | else |
3194 | { | |
3195 | daemon->duid_config_len = parse_hex(comma,(unsigned char *)comma, strlen(comma), NULL, NULL); | |
3196 | daemon->duid_config = opt_malloc(daemon->duid_config_len); | |
3197 | memcpy(daemon->duid_config, comma, daemon->duid_config_len); | |
3198 | } | |
3199 | break; | |
3200 | #endif | |
3201 | ||
f2621c7f | 3202 | case 'V': /* --alias */ |
849a8357 | 3203 | { |
73a08a24 | 3204 | char *dash, *a[3] = { NULL, NULL, NULL }; |
f2621c7f | 3205 | int k = 0; |
73a08a24 SK |
3206 | struct doctor *new = opt_malloc(sizeof(struct doctor)); |
3207 | new->next = daemon->doctors; | |
3208 | daemon->doctors = new; | |
3209 | new->mask.s_addr = 0xffffffff; | |
3210 | new->end.s_addr = 0; | |
3211 | ||
849a8357 SK |
3212 | if ((a[0] = arg)) |
3213 | for (k = 1; k < 3; k++) | |
3214 | { | |
f2621c7f | 3215 | if (!(a[k] = split(a[k-1]))) |
849a8357 | 3216 | break; |
849a8357 SK |
3217 | unhide_metas(a[k]); |
3218 | } | |
849a8357 | 3219 | |
73a08a24 SK |
3220 | dash = split_chr(a[0], '-'); |
3221 | ||
849a8357 | 3222 | if ((k < 2) || |
ddd9a6b4 SK |
3223 | (!(inet_pton(AF_INET, a[0], &new->in) > 0)) || |
3224 | (!(inet_pton(AF_INET, a[1], &new->out) > 0))) | |
73a08a24 | 3225 | option = '?'; |
849a8357 SK |
3226 | |
3227 | if (k == 3) | |
ddd9a6b4 | 3228 | inet_pton(AF_INET, a[2], &new->mask); |
849a8357 | 3229 | |
73a08a24 | 3230 | if (dash && |
ddd9a6b4 | 3231 | (!(inet_pton(AF_INET, dash, &new->end) > 0) || |
73a08a24 SK |
3232 | !is_same_net(new->in, new->end, new->mask) || |
3233 | ntohl(new->in.s_addr) > ntohl(new->end.s_addr))) | |
c4a7f90e | 3234 | ret_err(_("invalid alias range")); |
849a8357 SK |
3235 | |
3236 | break; | |
3237 | } | |
3238 | ||
f2621c7f | 3239 | case LOPT_INTNAME: /* --interface-name */ |
832af0ba | 3240 | { |
f2621c7f | 3241 | struct interface_name *new, **up; |
1f15b81d SK |
3242 | char *domain = NULL; |
3243 | ||
f2621c7f SK |
3244 | comma = split(arg); |
3245 | ||
1f15b81d | 3246 | if (!comma || !(domain = canonicalise_opt(arg))) |
c4a7f90e | 3247 | ret_err(_("bad interface name")); |
1f15b81d | 3248 | |
824af85b | 3249 | new = opt_malloc(sizeof(struct interface_name)); |
f2621c7f | 3250 | new->next = NULL; |
115ac3e4 SK |
3251 | new->addr4 = NULL; |
3252 | #ifdef HAVE_IPV6 | |
3253 | new->addr6 = NULL; | |
3254 | #endif | |
f2621c7f SK |
3255 | /* Add to the end of the list, so that first name |
3256 | of an interface is used for PTR lookups. */ | |
824af85b | 3257 | for (up = &daemon->int_names; *up; up = &((*up)->next)); |
f2621c7f | 3258 | *up = new; |
1f15b81d | 3259 | new->name = domain; |
824af85b | 3260 | new->intr = opt_string_alloc(comma); |
f2621c7f SK |
3261 | break; |
3262 | } | |
9009d746 SK |
3263 | |
3264 | case LOPT_CNAME: /* --cname */ | |
3265 | { | |
3266 | struct cname *new; | |
c4a7f90e SK |
3267 | char *alias; |
3268 | char *target; | |
3269 | ||
9009d746 | 3270 | if (!(comma = split(arg))) |
c4a7f90e SK |
3271 | ret_err(gen_err); |
3272 | ||
3273 | alias = canonicalise_opt(arg); | |
3274 | target = canonicalise_opt(comma); | |
3275 | ||
3276 | if (!alias || !target) | |
3277 | ret_err(_("bad CNAME")); | |
9009d746 SK |
3278 | else |
3279 | { | |
c4a7f90e SK |
3280 | for (new = daemon->cnames; new; new = new->next) |
3281 | if (hostname_isequal(new->alias, arg)) | |
3282 | ret_err(_("duplicate CNAME")); | |
3283 | new = opt_malloc(sizeof(struct cname)); | |
3284 | new->next = daemon->cnames; | |
3285 | daemon->cnames = new; | |
3286 | new->alias = alias; | |
3287 | new->target = target; | |
9009d746 | 3288 | } |
c4a7f90e | 3289 | |
9009d746 SK |
3290 | break; |
3291 | } | |
f2621c7f SK |
3292 | |
3293 | case LOPT_PTR: /* --ptr-record */ | |
3294 | { | |
3295 | struct ptr_record *new; | |
1f15b81d SK |
3296 | char *dom, *target = NULL; |
3297 | ||
f2621c7f SK |
3298 | comma = split(arg); |
3299 | ||
1f15b81d SK |
3300 | if (!(dom = canonicalise_opt(arg)) || |
3301 | (comma && !(target = canonicalise_opt(comma)))) | |
c4a7f90e | 3302 | ret_err(_("bad PTR record")); |
1f15b81d SK |
3303 | else |
3304 | { | |
3305 | new = opt_malloc(sizeof(struct ptr_record)); | |
3306 | new->next = daemon->ptr; | |
3307 | daemon->ptr = new; | |
3308 | new->name = dom; | |
3309 | new->ptr = target; | |
3310 | } | |
832af0ba SK |
3311 | break; |
3312 | } | |
3313 | ||
1a6bca81 SK |
3314 | case LOPT_NAPTR: /* --naptr-record */ |
3315 | { | |
3316 | char *a[7] = { NULL, NULL, NULL, NULL, NULL, NULL, NULL }; | |
3317 | int k = 0; | |
3318 | struct naptr *new; | |
3319 | int order, pref; | |
1f15b81d | 3320 | char *name, *replace = NULL; |
1a6bca81 SK |
3321 | |
3322 | if ((a[0] = arg)) | |
3323 | for (k = 1; k < 7; k++) | |
3324 | if (!(a[k] = split(a[k-1]))) | |
3325 | break; | |
3326 | ||
3327 | ||
3328 | if (k < 6 || | |
1f15b81d | 3329 | !(name = canonicalise_opt(a[0])) || |
1ad24ae1 SK |
3330 | !atoi_check16(a[1], &order) || |
3331 | !atoi_check16(a[2], &pref) || | |
1f15b81d | 3332 | (k == 7 && !(replace = canonicalise_opt(a[6])))) |
c4a7f90e | 3333 | ret_err(_("bad NAPTR record")); |
1a6bca81 SK |
3334 | else |
3335 | { | |
3336 | new = opt_malloc(sizeof(struct naptr)); | |
3337 | new->next = daemon->naptr; | |
3338 | daemon->naptr = new; | |
1f15b81d | 3339 | new->name = name; |
1a6bca81 SK |
3340 | new->flags = opt_string_alloc(a[3]); |
3341 | new->services = opt_string_alloc(a[4]); | |
3342 | new->regexp = opt_string_alloc(a[5]); | |
1f15b81d | 3343 | new->replace = replace; |
1a6bca81 SK |
3344 | new->order = order; |
3345 | new->pref = pref; | |
3346 | } | |
3347 | break; | |
3348 | } | |
9f7f3b12 SK |
3349 | |
3350 | case LOPT_RR: /* dns-rr */ | |
3351 | { | |
3352 | struct txt_record *new; | |
3353 | size_t len; | |
3354 | char *data; | |
3355 | int val; | |
3356 | ||
3357 | comma = split(arg); | |
3358 | data = split(comma); | |
3359 | ||
3360 | new = opt_malloc(sizeof(struct txt_record)); | |
3361 | new->next = daemon->rr; | |
3362 | daemon->rr = new; | |
3363 | ||
3364 | if (!atoi_check(comma, &val) || | |
3365 | !(new->name = canonicalise_opt(arg)) || | |
51931b88 | 3366 | (data && (len = parse_hex(data, (unsigned char *)data, -1, NULL, NULL)) == -1U)) |
c4a7f90e SK |
3367 | ret_err(_("bad RR record")); |
3368 | ||
9f7f3b12 SK |
3369 | new->class = val; |
3370 | new->len = 0; | |
3371 | ||
3372 | if (data) | |
3373 | { | |
3374 | new->txt=opt_malloc(len); | |
3375 | new->len = len; | |
3376 | memcpy(new->txt, data, len); | |
3377 | } | |
3378 | ||
3379 | break; | |
3380 | } | |
3381 | ||
f2621c7f | 3382 | case 'Y': /* --txt-record */ |
849a8357 SK |
3383 | { |
3384 | struct txt_record *new; | |
28866e95 SK |
3385 | unsigned char *p, *cnt; |
3386 | size_t len; | |
3387 | ||
3388 | comma = split(arg); | |
3389 | ||
824af85b | 3390 | new = opt_malloc(sizeof(struct txt_record)); |
849a8357 SK |
3391 | new->next = daemon->txt; |
3392 | daemon->txt = new; | |
3393 | new->class = C_IN; | |
849a8357 | 3394 | |
1f15b81d | 3395 | if (!(new->name = canonicalise_opt(arg))) |
c4a7f90e SK |
3396 | ret_err(_("bad TXT record")); |
3397 | ||
28866e95 SK |
3398 | len = comma ? strlen(comma) : 0; |
3399 | len += (len/255) + 1; /* room for extra counts */ | |
3400 | new->txt = p = opt_malloc(len); | |
3401 | ||
3402 | cnt = p++; | |
3403 | *cnt = 0; | |
3404 | ||
3405 | while (comma && *comma) | |
3406 | { | |
3407 | unsigned char c = (unsigned char)*comma++; | |
3408 | ||
3409 | if (c == ',' || *cnt == 255) | |
3410 | { | |
3411 | if (c != ',') | |
3412 | comma--; | |
3413 | cnt = p++; | |
3414 | *cnt = 0; | |
3415 | } | |
3416 | else | |
3417 | { | |
3418 | *p++ = unhide_meta(c); | |
3419 | (*cnt)++; | |
3420 | } | |
3421 | } | |
3422 | ||
3423 | new->len = p - new->txt; | |
3424 | ||
849a8357 SK |
3425 | break; |
3426 | } | |
3427 | ||
f2621c7f | 3428 | case 'W': /* --srv-host */ |
849a8357 SK |
3429 | { |
3430 | int port = 1, priority = 0, weight = 0; | |
3431 | char *name, *target = NULL; | |
3432 | struct mx_srv_record *new; | |
3433 | ||
f2621c7f | 3434 | comma = split(arg); |
849a8357 | 3435 | |
1f15b81d | 3436 | if (!(name = canonicalise_opt(arg))) |
c4a7f90e SK |
3437 | ret_err(_("bad SRV record")); |
3438 | ||
849a8357 SK |
3439 | if (comma) |
3440 | { | |
3441 | arg = comma; | |
f2621c7f | 3442 | comma = split(arg); |
c4a7f90e SK |
3443 | if (!(target = canonicalise_opt(arg))) |
3444 | ret_err(_("bad SRV target")); | |
824af85b | 3445 | |
849a8357 | 3446 | if (comma) |
f6b7dc47 | 3447 | { |
849a8357 | 3448 | arg = comma; |
f2621c7f | 3449 | comma = split(arg); |
1ad24ae1 | 3450 | if (!atoi_check16(arg, &port)) |
c4a7f90e | 3451 | ret_err(_("invalid port number")); |
824af85b | 3452 | |
f6b7dc47 SK |
3453 | if (comma) |
3454 | { | |
91dccd09 | 3455 | arg = comma; |
f2621c7f | 3456 | comma = split(arg); |
1ad24ae1 | 3457 | if (!atoi_check16(arg, &priority)) |
c4a7f90e | 3458 | ret_err(_("invalid priority")); |
824af85b | 3459 | |
f6b7dc47 SK |
3460 | if (comma) |
3461 | { | |
91dccd09 | 3462 | arg = comma; |
f2621c7f | 3463 | comma = split(arg); |
1ad24ae1 | 3464 | if (!atoi_check16(arg, &weight)) |
c4a7f90e | 3465 | ret_err(_("invalid weight")); |
f6b7dc47 SK |
3466 | } |
3467 | } | |
f6b7dc47 | 3468 | } |
849a8357 SK |
3469 | } |
3470 | ||
824af85b | 3471 | new = opt_malloc(sizeof(struct mx_srv_record)); |
849a8357 SK |
3472 | new->next = daemon->mxnames; |
3473 | daemon->mxnames = new; | |
3474 | new->issrv = 1; | |
3475 | new->name = name; | |
3476 | new->target = target; | |
3477 | new->srvport = port; | |
3478 | new->priority = priority; | |
3479 | new->weight = weight; | |
3480 | break; | |
3481 | } | |
7622fc06 | 3482 | |
e759d426 SK |
3483 | case LOPT_HOST_REC: /* --host-record */ |
3484 | { | |
3485 | struct host_record *new = opt_malloc(sizeof(struct host_record)); | |
3486 | memset(new, 0, sizeof(struct host_record)); | |
3487 | ||
3488 | if (!arg || !(comma = split(arg))) | |
c4a7f90e SK |
3489 | ret_err(_("Bad host-record")); |
3490 | ||
3491 | while (arg) | |
3492 | { | |
3493 | struct all_addr addr; | |
3494 | if (inet_pton(AF_INET, arg, &addr)) | |
3495 | new->addr = addr.addr.addr4; | |
e759d426 | 3496 | #ifdef HAVE_IPV6 |
c4a7f90e SK |
3497 | else if (inet_pton(AF_INET6, arg, &addr)) |
3498 | new->addr6 = addr.addr.addr6; | |
e759d426 | 3499 | #endif |
c4a7f90e SK |
3500 | else |
3501 | { | |
3502 | int nomem; | |
3503 | char *canon = canonicalise(arg, &nomem); | |
3504 | struct name_list *nl = opt_malloc(sizeof(struct name_list)); | |
3505 | if (!canon) | |
3506 | ret_err(_("Bad name in host-record")); | |
3507 | ||
3508 | nl->name = canon; | |
3509 | /* keep order, so that PTR record goes to first name */ | |
3510 | nl->next = NULL; | |
3511 | if (!new->names) | |
3512 | new->names = nl; | |
3513 | else | |
3514 | { | |
3515 | struct name_list *tmp; | |
3516 | for (tmp = new->names; tmp->next; tmp = tmp->next); | |
3517 | tmp->next = nl; | |
3518 | } | |
c4a7f90e | 3519 | } |
e4807d8b SK |
3520 | |
3521 | arg = comma; | |
3522 | comma = split(arg); | |
c4a7f90e | 3523 | } |
e759d426 SK |
3524 | |
3525 | /* Keep list order */ | |
3526 | if (!daemon->host_records_tail) | |
3527 | daemon->host_records = new; | |
3528 | else | |
3529 | daemon->host_records_tail->next = new; | |
3530 | new->next = NULL; | |
3531 | daemon->host_records_tail = new; | |
3532 | break; | |
3533 | } | |
c4a7f90e | 3534 | |
7622fc06 | 3535 | default: |
c4a7f90e SK |
3536 | ret_err(_("unsupported option (check that dnsmasq was compiled with DHCP/TFTP/DBus support)")); |
3537 | ||
849a8357 | 3538 | } |
824af85b | 3539 | |
c4a7f90e | 3540 | return 1; |
849a8357 SK |
3541 | } |
3542 | ||
28866e95 | 3543 | static void read_file(char *file, FILE *f, int hard_opt) |
849a8357 | 3544 | { |
824af85b | 3545 | volatile int lineno = 0; |
8ef5ada2 | 3546 | char *buff = daemon->namebuff; |
849a8357 SK |
3547 | |
3548 | while (fgets(buff, MAXDNAME, f)) | |
3549 | { | |
611ebc5f SK |
3550 | int white, i, option = hard_opt; |
3551 | char *errmess, *p, *arg = NULL, *start; | |
8ef5ada2 | 3552 | size_t len; |
832af0ba | 3553 | |
824af85b | 3554 | /* Memory allocation failure longjmps here if mem_recover == 1 */ |
611ebc5f | 3555 | if (option != 0) |
824af85b SK |
3556 | { |
3557 | if (setjmp(mem_jmp)) | |
3558 | continue; | |
3559 | mem_recover = 1; | |
3560 | } | |
3561 | ||
849a8357 | 3562 | lineno++; |
824af85b SK |
3563 | errmess = NULL; |
3564 | ||
849a8357 SK |
3565 | /* Implement quotes, inside quotes we allow \\ \" \n and \t |
3566 | metacharacters get hidden also strip comments */ | |
8ef5ada2 | 3567 | for (white = 1, p = buff; *p; p++) |
849a8357 SK |
3568 | { |
3569 | if (*p == '"') | |
3570 | { | |
3571 | memmove(p, p+1, strlen(p+1)+1); | |
8ef5ada2 | 3572 | |
849a8357 SK |
3573 | for(; *p && *p != '"'; p++) |
3574 | { | |
5aabfc78 | 3575 | if (*p == '\\' && strchr("\"tnebr\\", p[1])) |
849a8357 SK |
3576 | { |
3577 | if (p[1] == 't') | |
3578 | p[1] = '\t'; | |
3579 | else if (p[1] == 'n') | |
3580 | p[1] = '\n'; | |
849a8357 SK |
3581 | else if (p[1] == 'b') |
3582 | p[1] = '\b'; | |
3583 | else if (p[1] == 'r') | |
3584 | p[1] = '\r'; | |
6b01084f SK |
3585 | else if (p[1] == 'e') /* escape */ |
3586 | p[1] = '\033'; | |
849a8357 SK |
3587 | memmove(p, p+1, strlen(p+1)+1); |
3588 | } | |
3589 | *p = hide_meta(*p); | |
3590 | } | |
8ef5ada2 SK |
3591 | |
3592 | if (*p == 0) | |
f2621c7f SK |
3593 | { |
3594 | errmess = _("missing \""); | |
3595 | goto oops; | |
3596 | } | |
8ef5ada2 SK |
3597 | |
3598 | memmove(p, p+1, strlen(p+1)+1); | |
849a8357 | 3599 | } |
f2621c7f | 3600 | |
8ef5ada2 SK |
3601 | if (isspace(*p)) |
3602 | { | |
3603 | *p = ' '; | |
3604 | white = 1; | |
9e4abcb5 | 3605 | } |
8ef5ada2 SK |
3606 | else |
3607 | { | |
3608 | if (white && *p == '#') | |
3609 | { | |
3610 | *p = 0; | |
3611 | break; | |
3612 | } | |
3613 | white = 0; | |
3614 | } | |
849a8357 SK |
3615 | } |
3616 | ||
8ef5ada2 SK |
3617 | |
3618 | /* strip leading spaces */ | |
3619 | for (start = buff; *start && *start == ' '; start++); | |
3620 | ||
3621 | /* strip trailing spaces */ | |
3622 | for (len = strlen(start); (len != 0) && (start[len-1] == ' '); len--); | |
3623 | ||
3624 | if (len == 0) | |
849a8357 | 3625 | continue; |
8ef5ada2 SK |
3626 | else |
3627 | start[len] = 0; | |
3628 | ||
611ebc5f | 3629 | if (option != 0) |
8ef5ada2 SK |
3630 | arg = start; |
3631 | else if ((p=strchr(start, '='))) | |
849a8357 SK |
3632 | { |
3633 | /* allow spaces around "=" */ | |
8ef5ada2 SK |
3634 | for (arg = p+1; *arg == ' '; arg++); |
3635 | for (; p >= start && (*p == ' ' || *p == '='); p--) | |
849a8357 | 3636 | *p = 0; |
9e4abcb5 | 3637 | } |
849a8357 SK |
3638 | else |
3639 | arg = NULL; | |
832af0ba | 3640 | |
611ebc5f | 3641 | if (option == 0) |
5aabfc78 | 3642 | { |
5aabfc78 SK |
3643 | for (option = 0, i = 0; opts[i].name; i++) |
3644 | if (strcmp(opts[i].name, start) == 0) | |
3645 | { | |
3646 | option = opts[i].val; | |
3647 | break; | |
3648 | } | |
3649 | ||
3650 | if (!option) | |
3651 | errmess = _("bad option"); | |
3652 | else if (opts[i].has_arg == 0 && arg) | |
3653 | errmess = _("extraneous parameter"); | |
3654 | else if (opts[i].has_arg == 1 && !arg) | |
3655 | errmess = _("missing parameter"); | |
3656 | } | |
c4a7f90e SK |
3657 | |
3658 | oops: | |
832af0ba | 3659 | if (errmess) |
c4a7f90e SK |
3660 | strcpy(daemon->namebuff, errmess); |
3661 | ||
3662 | if (errmess || !one_opt(option, arg, buff, _("error"), 0)) | |
f2621c7f | 3663 | { |
c4a7f90e | 3664 | sprintf(daemon->namebuff + strlen(daemon->namebuff), _(" at line %d of %s"), lineno, file); |
824af85b | 3665 | if (hard_opt != 0) |
c4a7f90e | 3666 | my_syslog(LOG_ERR, "%s", daemon->namebuff); |
5aabfc78 | 3667 | else |
c4a7f90e | 3668 | die("%s", daemon->namebuff, EC_BADCONF); |
f2621c7f | 3669 | } |
849a8357 SK |
3670 | } |
3671 | ||
8ef5ada2 | 3672 | mem_recover = 0; |
849a8357 SK |
3673 | fclose(f); |
3674 | } | |
3675 | ||
395eb719 | 3676 | static int one_file(char *file, int hard_opt) |
28866e95 SK |
3677 | { |
3678 | FILE *f; | |
3679 | int nofile_ok = 0; | |
3680 | static int read_stdin = 0; | |
3681 | static struct fileread { | |
3682 | dev_t dev; | |
3683 | ino_t ino; | |
3684 | struct fileread *next; | |
3685 | } *filesread = NULL; | |
3686 | ||
3687 | if (hard_opt == '7') | |
3688 | { | |
3689 | /* default conf-file reading */ | |
3690 | hard_opt = 0; | |
3691 | nofile_ok = 1; | |
3692 | } | |
3693 | ||
3694 | if (hard_opt == 0 && strcmp(file, "-") == 0) | |
3695 | { | |
3696 | if (read_stdin == 1) | |
395eb719 | 3697 | return 1; |
28866e95 SK |
3698 | read_stdin = 1; |
3699 | file = "stdin"; | |
3700 | f = stdin; | |
3701 | } | |
3702 | else | |
3703 | { | |
3704 | /* ignore repeated files. */ | |
3705 | struct stat statbuf; | |
3706 | ||
3707 | if (hard_opt == 0 && stat(file, &statbuf) == 0) | |
3708 | { | |
3709 | struct fileread *r; | |
3710 | ||
3711 | for (r = filesread; r; r = r->next) | |
3712 | if (r->dev == statbuf.st_dev && r->ino == statbuf.st_ino) | |
395eb719 | 3713 | return 1; |
28866e95 SK |
3714 | |
3715 | r = safe_malloc(sizeof(struct fileread)); | |
3716 | r->next = filesread; | |
3717 | filesread = r; | |
3718 | r->dev = statbuf.st_dev; | |
3719 | r->ino = statbuf.st_ino; | |
3720 | } | |
3721 | ||
3722 | if (!(f = fopen(file, "r"))) | |
3723 | { | |
3724 | if (errno == ENOENT && nofile_ok) | |
395eb719 | 3725 | return 1; /* No conffile, all done. */ |
28866e95 SK |
3726 | else |
3727 | { | |
3728 | char *str = _("cannot read %s: %s"); | |
3729 | if (hard_opt != 0) | |
3730 | { | |
3731 | my_syslog(LOG_ERR, str, file, strerror(errno)); | |
395eb719 | 3732 | return 0; |
28866e95 SK |
3733 | } |
3734 | else | |
3735 | die(str, file, EC_FILE); | |
3736 | } | |
3737 | } | |
3738 | } | |
3739 | ||
3740 | read_file(file, f, hard_opt); | |
395eb719 | 3741 | return 1; |
28866e95 SK |
3742 | } |
3743 | ||
3744 | /* expand any name which is a directory */ | |
3745 | struct hostsfile *expand_filelist(struct hostsfile *list) | |
3746 | { | |
3747 | int i; | |
3748 | struct hostsfile *ah; | |
3749 | ||
3750 | for (i = 0, ah = list; ah; ah = ah->next) | |
3751 | { | |
3752 | if (i <= ah->index) | |
3753 | i = ah->index + 1; | |
3754 | ||
3755 | if (ah->flags & AH_DIR) | |
3756 | ah->flags |= AH_INACTIVE; | |
3757 | else | |
3758 | ah->flags &= ~AH_INACTIVE; | |
3759 | } | |
3760 | ||
3761 | for (ah = list; ah; ah = ah->next) | |
3762 | if (!(ah->flags & AH_INACTIVE)) | |
3763 | { | |
3764 | struct stat buf; | |
3765 | if (stat(ah->fname, &buf) != -1 && S_ISDIR(buf.st_mode)) | |
3766 | { | |
3767 | DIR *dir_stream; | |
3768 | struct dirent *ent; | |
3769 | ||
3770 | /* don't read this as a file */ | |
3771 | ah->flags |= AH_INACTIVE; | |
3772 | ||
3773 | if (!(dir_stream = opendir(ah->fname))) | |
3774 | my_syslog(LOG_ERR, _("cannot access directory %s: %s"), | |
3775 | ah->fname, strerror(errno)); | |
3776 | else | |
3777 | { | |
3778 | while ((ent = readdir(dir_stream))) | |
3779 | { | |
3780 | size_t lendir = strlen(ah->fname); | |
3781 | size_t lenfile = strlen(ent->d_name); | |
3782 | struct hostsfile *ah1; | |
3783 | char *path; | |
3784 | ||
3785 | /* ignore emacs backups and dotfiles */ | |
3786 | if (lenfile == 0 || | |
3787 | ent->d_name[lenfile - 1] == '~' || | |
3788 | (ent->d_name[0] == '#' && ent->d_name[lenfile - 1] == '#') || | |
3789 | ent->d_name[0] == '.') | |
3790 | continue; | |
3791 | ||
3792 | /* see if we have an existing record. | |
3793 | dir is ah->fname | |
3794 | file is ent->d_name | |
3795 | path to match is ah1->fname */ | |
3796 | ||
3797 | for (ah1 = list; ah1; ah1 = ah1->next) | |
3798 | { | |
3799 | if (lendir < strlen(ah1->fname) && | |
3800 | strstr(ah1->fname, ah->fname) == ah1->fname && | |
3801 | ah1->fname[lendir] == '/' && | |
3802 | strcmp(ah1->fname + lendir + 1, ent->d_name) == 0) | |
3803 | { | |
3804 | ah1->flags &= ~AH_INACTIVE; | |
3805 | break; | |
3806 | } | |
3807 | } | |
3808 | ||
3809 | /* make new record */ | |
3810 | if (!ah1) | |
3811 | { | |
3812 | if (!(ah1 = whine_malloc(sizeof(struct hostsfile)))) | |
3813 | continue; | |
3814 | ||
3815 | if (!(path = whine_malloc(lendir + lenfile + 2))) | |
3816 | { | |
3817 | free(ah1); | |
3818 | continue; | |
3819 | } | |
3820 | ||
3821 | strcpy(path, ah->fname); | |
3822 | strcat(path, "/"); | |
3823 | strcat(path, ent->d_name); | |
3824 | ah1->fname = path; | |
3825 | ah1->index = i++; | |
3826 | ah1->flags = AH_DIR; | |
3827 | ah1->next = list; | |
3828 | list = ah1; | |
3829 | } | |
3830 | ||
3831 | /* inactivate record if not regular file */ | |
3832 | if ((ah1->flags & AH_DIR) && stat(ah1->fname, &buf) != -1 && !S_ISREG(buf.st_mode)) | |
3833 | ah1->flags |= AH_INACTIVE; | |
3834 | ||
3835 | } | |
3836 | closedir(dir_stream); | |
3837 | } | |
3838 | } | |
3839 | } | |
3840 | ||
3841 | return list; | |
3842 | } | |
3843 | ||
3844 | ||
7622fc06 | 3845 | #ifdef HAVE_DHCP |
824af85b SK |
3846 | void reread_dhcp(void) |
3847 | { | |
28866e95 SK |
3848 | struct hostsfile *hf; |
3849 | ||
824af85b SK |
3850 | if (daemon->dhcp_hosts_file) |
3851 | { | |
3852 | struct dhcp_config *configs, *cp, **up; | |
28866e95 | 3853 | |
824af85b SK |
3854 | /* remove existing... */ |
3855 | for (up = &daemon->dhcp_conf, configs = daemon->dhcp_conf; configs; configs = cp) | |
3856 | { | |
3857 | cp = configs->next; | |
3858 | ||
3859 | if (configs->flags & CONFIG_BANK) | |
3860 | { | |
9009d746 | 3861 | struct hwaddr_config *mac, *tmp; |
8ef5ada2 | 3862 | struct dhcp_netid_list *list, *tmplist; |
9009d746 SK |
3863 | |
3864 | for (mac = configs->hwaddr; mac; mac = tmp) | |
3865 | { | |
3866 | tmp = mac->next; | |
3867 | free(mac); | |
3868 | } | |
8ef5ada2 | 3869 | |
824af85b SK |
3870 | if (configs->flags & CONFIG_CLID) |
3871 | free(configs->clid); | |
8ef5ada2 SK |
3872 | |
3873 | for (list = configs->netid; list; list = tmplist) | |
3874 | { | |
3875 | free(list->list); | |
3876 | tmplist = list->next; | |
3877 | free(list); | |
3878 | } | |
3879 | ||
824af85b SK |
3880 | if (configs->flags & CONFIG_NAME) |
3881 | free(configs->hostname); | |
3882 | ||
3883 | *up = configs->next; | |
3884 | free(configs); | |
3885 | } | |
3886 | else | |
3887 | up = &configs->next; | |
3888 | } | |
3889 | ||
28866e95 SK |
3890 | daemon->dhcp_hosts_file = expand_filelist(daemon->dhcp_hosts_file); |
3891 | for (hf = daemon->dhcp_hosts_file; hf; hf = hf->next) | |
3892 | if (!(hf->flags & AH_INACTIVE)) | |
3893 | { | |
395eb719 SK |
3894 | if (one_file(hf->fname, LOPT_BANK)) |
3895 | my_syslog(MS_DHCP | LOG_INFO, _("read %s"), hf->fname); | |
28866e95 | 3896 | } |
824af85b SK |
3897 | } |
3898 | ||
3899 | if (daemon->dhcp_opts_file) | |
3900 | { | |
3901 | struct dhcp_opt *opts, *cp, **up; | |
3902 | struct dhcp_netid *id, *next; | |
3903 | ||
3904 | for (up = &daemon->dhcp_opts, opts = daemon->dhcp_opts; opts; opts = cp) | |
3905 | { | |
3906 | cp = opts->next; | |
3907 | ||
3908 | if (opts->flags & DHOPT_BANK) | |
3909 | { | |
73a08a24 SK |
3910 | if ((opts->flags & DHOPT_VENDOR)) |
3911 | free(opts->u.vendor_class); | |
824af85b SK |
3912 | free(opts->val); |
3913 | for (id = opts->netid; id; id = next) | |
3914 | { | |
3915 | next = id->next; | |
3916 | free(id->net); | |
3917 | free(id); | |
3918 | } | |
3919 | *up = opts->next; | |
3920 | free(opts); | |
3921 | } | |
3922 | else | |
3923 | up = &opts->next; | |
3924 | } | |
3925 | ||
28866e95 SK |
3926 | daemon->dhcp_opts_file = expand_filelist(daemon->dhcp_opts_file); |
3927 | for (hf = daemon->dhcp_opts_file; hf; hf = hf->next) | |
3928 | if (!(hf->flags & AH_INACTIVE)) | |
3929 | { | |
395eb719 SK |
3930 | if (one_file(hf->fname, LOPT_OPTS)) |
3931 | my_syslog(MS_DHCP | LOG_INFO, _("read %s"), hf->fname); | |
28866e95 | 3932 | } |
824af85b SK |
3933 | } |
3934 | } | |
7622fc06 | 3935 | #endif |
824af85b | 3936 | |
5aabfc78 | 3937 | void read_opts(int argc, char **argv, char *compile_opts) |
849a8357 | 3938 | { |
824af85b | 3939 | char *buff = opt_malloc(MAXDNAME); |
28866e95 | 3940 | int option, conffile_opt = '7', testmode = 0; |
c4a7f90e | 3941 | char *arg, *conffile = CONFFILE; |
849a8357 SK |
3942 | |
3943 | opterr = 0; | |
5aabfc78 | 3944 | |
824af85b | 3945 | daemon = opt_malloc(sizeof(struct daemon)); |
849a8357 SK |
3946 | memset(daemon, 0, sizeof(struct daemon)); |
3947 | daemon->namebuff = buff; | |
3948 | ||
3949 | /* Set defaults - everything else is zero or NULL */ | |
3950 | daemon->cachesize = CACHESIZ; | |
208b65c5 | 3951 | daemon->ftabsize = FTABSIZ; |
849a8357 | 3952 | daemon->port = NAMESERVER_PORT; |
9e038946 SK |
3953 | daemon->dhcp_client_port = DHCP_CLIENT_PORT; |
3954 | daemon->dhcp_server_port = DHCP_SERVER_PORT; | |
849a8357 SK |
3955 | daemon->default_resolv.is_default = 1; |
3956 | daemon->default_resolv.name = RESOLVFILE; | |
3957 | daemon->resolv_files = &daemon->default_resolv; | |
3958 | daemon->username = CHUSER; | |
849a8357 SK |
3959 | daemon->runfile = RUNFILE; |
3960 | daemon->dhcp_max = MAXLEASES; | |
832af0ba | 3961 | daemon->tftp_max = TFTP_MAX_CONNECTIONS; |
849a8357 SK |
3962 | daemon->edns_pktsz = EDNS_PKTSZ; |
3963 | daemon->log_fac = -1; | |
4f7b304f SK |
3964 | daemon->auth_ttl = AUTH_TTL; |
3965 | daemon->soa_refresh = SOA_REFRESH; | |
3966 | daemon->soa_retry = SOA_RETRY; | |
3967 | daemon->soa_expiry = SOA_EXPIRY; | |
5aabfc78 SK |
3968 | add_txt("version.bind", "dnsmasq-" VERSION ); |
3969 | add_txt("authors.bind", "Simon Kelley"); | |
3970 | add_txt("copyright.bind", COPYRIGHT); | |
849a8357 SK |
3971 | |
3972 | while (1) | |
3973 | { | |
26128d27 | 3974 | #ifdef HAVE_GETOPT_LONG |
849a8357 | 3975 | option = getopt_long(argc, argv, OPTSTRING, opts, NULL); |
26128d27 | 3976 | #else |
849a8357 | 3977 | option = getopt(argc, argv, OPTSTRING); |
26128d27 | 3978 | #endif |
849a8357 SK |
3979 | |
3980 | if (option == -1) | |
28866e95 | 3981 | { |
572b41eb SK |
3982 | for (; optind < argc; optind++) |
3983 | { | |
3984 | unsigned char *c = (unsigned char *)argv[optind]; | |
3985 | for (; *c != 0; c++) | |
3986 | if (!isspace(*c)) | |
3987 | die(_("junk found in command line"), NULL, EC_BADCONF); | |
3988 | } | |
28866e95 SK |
3989 | break; |
3990 | } | |
3991 | ||
849a8357 SK |
3992 | /* Copy optarg so that argv doesn't get changed */ |
3993 | if (optarg) | |
3994 | { | |
3995 | strncpy(buff, optarg, MAXDNAME); | |
3996 | buff[MAXDNAME-1] = 0; | |
3997 | arg = buff; | |
9e4abcb5 | 3998 | } |
849a8357 SK |
3999 | else |
4000 | arg = NULL; | |
9e4abcb5 | 4001 | |
849a8357 | 4002 | /* command-line only stuff */ |
7622fc06 SK |
4003 | if (option == LOPT_TEST) |
4004 | testmode = 1; | |
4005 | else if (option == 'w') | |
849a8357 | 4006 | { |
7622fc06 | 4007 | #ifdef HAVE_DHCP |
4cb1b320 | 4008 | if (argc == 3 && strcmp(argv[2], "dhcp") == 0) |
7622fc06 | 4009 | display_opts(); |
4cb1b320 SK |
4010 | #ifdef HAVE_DHCP6 |
4011 | else if (argc == 3 && strcmp(argv[2], "dhcp6") == 0) | |
4012 | display_opts6(); | |
7622fc06 | 4013 | #endif |
4cb1b320 | 4014 | else |
7622fc06 | 4015 | #endif |
4cb1b320 SK |
4016 | do_usage(); |
4017 | ||
849a8357 SK |
4018 | exit(0); |
4019 | } | |
4020 | else if (option == 'v') | |
4021 | { | |
4022 | printf(_("Dnsmasq version %s %s\n"), VERSION, COPYRIGHT); | |
c72daea8 | 4023 | printf(_("Compile time options: %s\n\n"), compile_opts); |
849a8357 SK |
4024 | printf(_("This software comes with ABSOLUTELY NO WARRANTY.\n")); |
4025 | printf(_("Dnsmasq is free software, and you are welcome to redistribute it\n")); | |
824af85b | 4026 | printf(_("under the terms of the GNU General Public License, version 2 or 3.\n")); |
849a8357 SK |
4027 | exit(0); |
4028 | } | |
4029 | else if (option == 'C') | |
4030 | { | |
28866e95 | 4031 | conffile_opt = 0; /* file must exist */ |
824af85b | 4032 | conffile = opt_string_alloc(arg); |
849a8357 SK |
4033 | } |
4034 | else | |
4035 | { | |
4036 | #ifdef HAVE_GETOPT_LONG | |
c4a7f90e | 4037 | if (!one_opt(option, arg, daemon->namebuff, _("try --help"), 1)) |
849a8357 | 4038 | #else |
c4a7f90e | 4039 | if (!one_opt(option, arg, daemon->namebuff, _("try -w"), 1)) |
849a8357 | 4040 | #endif |
c4a7f90e | 4041 | die(_("bad command line options: %s"), daemon->namebuff, EC_BADCONF); |
849a8357 SK |
4042 | } |
4043 | } | |
4044 | ||
4045 | if (conffile) | |
28866e95 | 4046 | one_file(conffile, conffile_opt); |
849a8357 | 4047 | |
1a6bca81 | 4048 | /* port might not be known when the address is parsed - fill in here */ |
3be34541 | 4049 | if (daemon->servers) |
9e4abcb5 SK |
4050 | { |
4051 | struct server *tmp; | |
3be34541 | 4052 | for (tmp = daemon->servers; tmp; tmp = tmp->next) |
9e4abcb5 SK |
4053 | if (!(tmp->flags & SERV_HAS_SOURCE)) |
4054 | { | |
4055 | if (tmp->source_addr.sa.sa_family == AF_INET) | |
3be34541 | 4056 | tmp->source_addr.in.sin_port = htons(daemon->query_port); |
9e4abcb5 SK |
4057 | #ifdef HAVE_IPV6 |
4058 | else if (tmp->source_addr.sa.sa_family == AF_INET6) | |
3be34541 | 4059 | tmp->source_addr.in6.sin6_port = htons(daemon->query_port); |
5aabfc78 SK |
4060 | #endif |
4061 | } | |
9e4abcb5 SK |
4062 | } |
4063 | ||
3be34541 | 4064 | if (daemon->if_addrs) |
9e4abcb5 SK |
4065 | { |
4066 | struct iname *tmp; | |
3be34541 | 4067 | for(tmp = daemon->if_addrs; tmp; tmp = tmp->next) |
9e4abcb5 | 4068 | if (tmp->addr.sa.sa_family == AF_INET) |
3be34541 | 4069 | tmp->addr.in.sin_port = htons(daemon->port); |
9e4abcb5 SK |
4070 | #ifdef HAVE_IPV6 |
4071 | else if (tmp->addr.sa.sa_family == AF_INET6) | |
3be34541 | 4072 | tmp->addr.in6.sin6_port = htons(daemon->port); |
9e4abcb5 SK |
4073 | #endif /* IPv6 */ |
4074 | } | |
4f7b304f SK |
4075 | |
4076 | /* create default, if not specified */ | |
4077 | if (daemon->authserver && !daemon->hostmaster) | |
4078 | { | |
4079 | strcpy(buff, "hostmaster."); | |
4080 | strcat(buff, daemon->authserver); | |
4081 | daemon->hostmaster = opt_string_alloc(buff); | |
4082 | } | |
4083 | ||
f6b7dc47 | 4084 | /* only one of these need be specified: the other defaults to the host-name */ |
28866e95 | 4085 | if (option_bool(OPT_LOCALMX) || daemon->mxnames || daemon->mxtarget) |
9e4abcb5 | 4086 | { |
0a852541 SK |
4087 | struct mx_srv_record *mx; |
4088 | ||
9e4abcb5 | 4089 | if (gethostname(buff, MAXDNAME) == -1) |
5aabfc78 | 4090 | die(_("cannot get host-name: %s"), NULL, EC_MISC); |
f6b7dc47 | 4091 | |
0a852541 SK |
4092 | for (mx = daemon->mxnames; mx; mx = mx->next) |
4093 | if (!mx->issrv && hostname_isequal(mx->name, buff)) | |
4094 | break; | |
4095 | ||
28866e95 | 4096 | if ((daemon->mxtarget || option_bool(OPT_LOCALMX)) && !mx) |
de37951c | 4097 | { |
824af85b | 4098 | mx = opt_malloc(sizeof(struct mx_srv_record)); |
91dccd09 SK |
4099 | mx->next = daemon->mxnames; |
4100 | mx->issrv = 0; | |
4101 | mx->target = NULL; | |
824af85b | 4102 | mx->name = opt_string_alloc(buff); |
91dccd09 | 4103 | daemon->mxnames = mx; |
f6b7dc47 | 4104 | } |
9e4abcb5 | 4105 | |
3be34541 | 4106 | if (!daemon->mxtarget) |
824af85b | 4107 | daemon->mxtarget = opt_string_alloc(buff); |
0a852541 SK |
4108 | |
4109 | for (mx = daemon->mxnames; mx; mx = mx->next) | |
4110 | if (!mx->issrv && !mx->target) | |
4111 | mx->target = daemon->mxtarget; | |
9e4abcb5 | 4112 | } |
f6b7dc47 | 4113 | |
28866e95 | 4114 | if (!option_bool(OPT_NO_RESOLV) && |
208b65c5 SK |
4115 | daemon->resolv_files && |
4116 | daemon->resolv_files->next && | |
28866e95 | 4117 | option_bool(OPT_NO_POLL)) |
5aabfc78 | 4118 | die(_("only one resolv.conf file allowed in no-poll mode."), NULL, EC_BADCONF); |
de37951c | 4119 | |
28866e95 | 4120 | if (option_bool(OPT_RESOLV_DOMAIN)) |
de37951c SK |
4121 | { |
4122 | char *line; | |
849a8357 SK |
4123 | FILE *f; |
4124 | ||
28866e95 | 4125 | if (option_bool(OPT_NO_RESOLV) || |
208b65c5 SK |
4126 | !daemon->resolv_files || |
4127 | (daemon->resolv_files)->next) | |
5aabfc78 | 4128 | die(_("must have exactly one resolv.conf to read domain from."), NULL, EC_BADCONF); |
de37951c | 4129 | |
3be34541 | 4130 | if (!(f = fopen((daemon->resolv_files)->name, "r"))) |
5aabfc78 | 4131 | die(_("failed to read %s: %s"), (daemon->resolv_files)->name, EC_FILE); |
de37951c SK |
4132 | |
4133 | while ((line = fgets(buff, MAXDNAME, f))) | |
4134 | { | |
4135 | char *token = strtok(line, " \t\n\r"); | |
4136 | ||
4137 | if (!token || strcmp(token, "search") != 0) | |
4138 | continue; | |
4139 | ||
4140 | if ((token = strtok(NULL, " \t\n\r")) && | |
1f15b81d | 4141 | (daemon->domain_suffix = canonicalise_opt(token))) |
de37951c SK |
4142 | break; |
4143 | } | |
3be34541 | 4144 | |
de37951c | 4145 | fclose(f); |
8a911ccc | 4146 | |
3be34541 | 4147 | if (!daemon->domain_suffix) |
5aabfc78 | 4148 | die(_("no search directive found in %s"), (daemon->resolv_files)->name, EC_MISC); |
de37951c | 4149 | } |
3d8df260 SK |
4150 | |
4151 | if (daemon->domain_suffix) | |
4152 | { | |
4153 | /* add domain for any srv record without one. */ | |
4154 | struct mx_srv_record *srv; | |
de37951c | 4155 | |
3d8df260 SK |
4156 | for (srv = daemon->mxnames; srv; srv = srv->next) |
4157 | if (srv->issrv && | |
4158 | strchr(srv->name, '.') && | |
4159 | strchr(srv->name, '.') == strrchr(srv->name, '.')) | |
4160 | { | |
4161 | strcpy(buff, srv->name); | |
4162 | strcat(buff, "."); | |
4163 | strcat(buff, daemon->domain_suffix); | |
4164 | free(srv->name); | |
824af85b | 4165 | srv->name = opt_string_alloc(buff); |
3d8df260 SK |
4166 | } |
4167 | } | |
28866e95 | 4168 | else if (option_bool(OPT_DHCP_FQDN)) |
9009d746 | 4169 | die(_("there must be a default domain when --dhcp-fqdn is set"), NULL, EC_BADCONF); |
7622fc06 SK |
4170 | |
4171 | if (testmode) | |
4172 | { | |
4173 | fprintf(stderr, "dnsmasq: %s.\n", _("syntax check OK")); | |
4174 | exit(0); | |
4175 | } | |
849a8357 | 4176 | } |