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