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8cc47ba2 | 1 | /* |
fd05b7dc | 2 | * dhcpcd - DHCP client daemon |
22bbd506 | 3 | * Copyright (c) 2006-2017 Roy Marples <roy@marples.name> |
fd05b7dc RM |
4 | * All rights reserved |
5 | ||
6 | * Redistribution and use in source and binary forms, with or without | |
7 | * modification, are permitted provided that the following conditions | |
8 | * are met: | |
9 | * 1. Redistributions of source code must retain the above copyright | |
10 | * notice, this list of conditions and the following disclaimer. | |
11 | * 2. Redistributions in binary form must reproduce the above copyright | |
12 | * notice, this list of conditions and the following disclaimer in the | |
13 | * documentation and/or other materials provided with the distribution. | |
14 | * | |
15 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND | |
16 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
17 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
18 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
19 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
20 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
21 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
22 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
23 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
24 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
25 | * SUCH DAMAGE. | |
26 | */ | |
27 | ||
0d0c5f66 | 28 | #include <sys/param.h> |
727d8459 | 29 | #include <sys/stat.h> |
fd05b7dc RM |
30 | #include <sys/types.h> |
31 | ||
32 | #include <arpa/inet.h> | |
33 | ||
34 | #include <ctype.h> | |
35 | #include <errno.h> | |
36 | #include <getopt.h> | |
a93e79c6 | 37 | #include <grp.h> |
f94b4eab | 38 | #include <inttypes.h> |
0d0c5f66 | 39 | #include <limits.h> |
fd05b7dc RM |
40 | #include <paths.h> |
41 | #include <stdio.h> | |
42 | #include <stdlib.h> | |
43 | #include <string.h> | |
03274c9c | 44 | #include <syslog.h> |
fd05b7dc RM |
45 | #include <unistd.h> |
46 | #include <time.h> | |
47 | ||
fd05b7dc | 48 | #include "config.h" |
9f7780b0 | 49 | #include "common.h" |
d7555c12 RM |
50 | #include "dhcp.h" |
51 | #include "dhcp6.h" | |
1cd05a96 | 52 | #include "dhcpcd-embedded.h" |
b825b39f | 53 | #include "if.h" |
fd05b7dc | 54 | #include "if-options.h" |
e88c525f | 55 | #include "ipv4.h" |
9aa11487 | 56 | #include "sa.h" |
fd05b7dc | 57 | |
4ca7460f RM |
58 | /* These options only make sense in the config file, so don't use any |
59 | valid short options for them */ | |
eebe9a18 RM |
60 | #define O_BASE MAX('z', 'Z') + 1 |
61 | #define O_ARPING O_BASE + 1 | |
62 | #define O_FALLBACK O_BASE + 2 | |
63 | #define O_DESTINATION O_BASE + 3 | |
64 | #define O_IPV6RS O_BASE + 4 | |
00ababe4 RM |
65 | #define O_NOIPV6RS O_BASE + 5 |
66 | #define O_IPV6RA_FORK O_BASE + 6 | |
cdf4387e RM |
67 | // unused O_BASE + 7 |
68 | // unused O_BASE + 8 | |
7dab081f | 69 | #define O_NOALIAS O_BASE + 9 |
00ababe4 RM |
70 | #define O_IA_NA O_BASE + 10 |
71 | #define O_IA_TA O_BASE + 11 | |
72 | #define O_IA_PD O_BASE + 12 | |
d6a18654 | 73 | #define O_HOSTNAME_SHORT O_BASE + 13 |
413652c1 RM |
74 | #define O_DEV O_BASE + 14 |
75 | #define O_NODEV O_BASE + 15 | |
bb8051bf RM |
76 | #define O_NOIPV4 O_BASE + 16 |
77 | #define O_NOIPV6 O_BASE + 17 | |
ebc9d360 | 78 | #define O_IAID O_BASE + 18 |
8e7d8c37 RM |
79 | #define O_DEFINE O_BASE + 19 |
80 | #define O_DEFINE6 O_BASE + 20 | |
81 | #define O_EMBED O_BASE + 21 | |
82 | #define O_ENCAP O_BASE + 22 | |
7a911e57 RM |
83 | #define O_VENDOPT O_BASE + 23 |
84 | #define O_VENDCLASS O_BASE + 24 | |
c73ed171 RM |
85 | #define O_AUTHPROTOCOL O_BASE + 25 |
86 | #define O_AUTHTOKEN O_BASE + 26 | |
87 | #define O_AUTHNOTREQUIRED O_BASE + 27 | |
d4154ba7 RM |
88 | #define O_NODHCP O_BASE + 28 |
89 | #define O_NODHCP6 O_BASE + 29 | |
94bec972 RM |
90 | #define O_DHCP O_BASE + 30 |
91 | #define O_DHCP6 O_BASE + 31 | |
92 | #define O_IPV4 O_BASE + 32 | |
93 | #define O_IPV6 O_BASE + 33 | |
a93e79c6 | 94 | #define O_CONTROLGRP O_BASE + 34 |
1aeaf0e7 | 95 | #define O_SLAAC O_BASE + 35 |
6456fc27 | 96 | // unused O_BASE + 36 |
2862d340 | 97 | #define O_NOUP O_BASE + 37 |
62f12387 RM |
98 | #define O_IPV6RA_AUTOCONF O_BASE + 38 |
99 | #define O_IPV6RA_NOAUTOCONF O_BASE + 39 | |
85bff648 | 100 | #define O_REJECT O_BASE + 40 |
8f924434 | 101 | #define O_BOOTP O_BASE + 42 |
2be15e88 | 102 | #define O_DEFINEND O_BASE + 43 |
f572315d | 103 | #define O_NODELAY O_BASE + 44 |
567a2357 | 104 | #define O_INFORM6 O_BASE + 45 |
b1ad0d39 | 105 | #define O_LASTLEASE_EXTEND O_BASE + 46 |
b4a86584 | 106 | #define O_INACTIVE O_BASE + 47 |
d85ad7d0 | 107 | #define O_MUDURL O_BASE + 48 |
413652c1 | 108 | |
fd05b7dc | 109 | const struct option cf_options[] = { |
ba97e494 RM |
110 | {"background", no_argument, NULL, 'b'}, |
111 | {"script", required_argument, NULL, 'c'}, | |
112 | {"debug", no_argument, NULL, 'd'}, | |
6bfd88f1 | 113 | {"env", required_argument, NULL, 'e'}, |
ba97e494 | 114 | {"config", required_argument, NULL, 'f'}, |
6bfd88f1 | 115 | {"reconfigure", no_argument, NULL, 'g'}, |
ba97e494 RM |
116 | {"hostname", optional_argument, NULL, 'h'}, |
117 | {"vendorclassid", optional_argument, NULL, 'i'}, | |
118 | {"release", no_argument, NULL, 'k'}, | |
119 | {"leasetime", required_argument, NULL, 'l'}, | |
120 | {"metric", required_argument, NULL, 'm'}, | |
121 | {"rebind", no_argument, NULL, 'n'}, | |
122 | {"option", required_argument, NULL, 'o'}, | |
123 | {"persistent", no_argument, NULL, 'p'}, | |
124 | {"quiet", no_argument, NULL, 'q'}, | |
125 | {"request", optional_argument, NULL, 'r'}, | |
126 | {"inform", optional_argument, NULL, 's'}, | |
567a2357 | 127 | {"inform6", optional_argument, NULL, O_INFORM6}, |
ba97e494 RM |
128 | {"timeout", required_argument, NULL, 't'}, |
129 | {"userclass", required_argument, NULL, 'u'}, | |
130 | {"vendor", required_argument, NULL, 'v'}, | |
7013b073 | 131 | {"waitip", optional_argument, NULL, 'w'}, |
ba97e494 | 132 | {"exit", no_argument, NULL, 'x'}, |
d3088c74 | 133 | {"allowinterfaces", required_argument, NULL, 'z'}, |
a2a9a498 | 134 | {"reboot", required_argument, NULL, 'y'}, |
ba97e494 RM |
135 | {"noarp", no_argument, NULL, 'A'}, |
136 | {"nobackground", no_argument, NULL, 'B'}, | |
137 | {"nohook", required_argument, NULL, 'C'}, | |
138 | {"duid", no_argument, NULL, 'D'}, | |
139 | {"lastlease", no_argument, NULL, 'E'}, | |
140 | {"fqdn", optional_argument, NULL, 'F'}, | |
141 | {"nogateway", no_argument, NULL, 'G'}, | |
00ababe4 | 142 | {"xidhwaddr", no_argument, NULL, 'H'}, |
ba97e494 | 143 | {"clientid", optional_argument, NULL, 'I'}, |
900b3da4 | 144 | {"broadcast", no_argument, NULL, 'J'}, |
ba97e494 RM |
145 | {"nolink", no_argument, NULL, 'K'}, |
146 | {"noipv4ll", no_argument, NULL, 'L'}, | |
b3174181 | 147 | {"master", no_argument, NULL, 'M'}, |
56a66017 | 148 | {"renew", no_argument, NULL, 'N'}, |
5114e3dc | 149 | {"nooption", required_argument, NULL, 'O'}, |
c31b1719 | 150 | {"printpidfile", no_argument, NULL, 'P'}, |
ba97e494 | 151 | {"require", required_argument, NULL, 'Q'}, |
91a44b91 | 152 | {"static", required_argument, NULL, 'S'}, |
ba97e494 | 153 | {"test", no_argument, NULL, 'T'}, |
dc60cba4 | 154 | {"dumplease", no_argument, NULL, 'U'}, |
ba97e494 | 155 | {"variables", no_argument, NULL, 'V'}, |
bf80d526 | 156 | {"whitelist", required_argument, NULL, 'W'}, |
ba97e494 | 157 | {"blacklist", required_argument, NULL, 'X'}, |
d3088c74 | 158 | {"denyinterfaces", required_argument, NULL, 'Z'}, |
df574999 RM |
159 | {"oneshot", no_argument, NULL, '1'}, |
160 | {"ipv4only", no_argument, NULL, '4'}, | |
161 | {"ipv6only", no_argument, NULL, '6'}, | |
4ca7460f | 162 | {"arping", required_argument, NULL, O_ARPING}, |
41c60e02 | 163 | {"destination", required_argument, NULL, O_DESTINATION}, |
ff021b0b | 164 | {"fallback", required_argument, NULL, O_FALLBACK}, |
eebe9a18 | 165 | {"ipv6rs", no_argument, NULL, O_IPV6RS}, |
91cd7324 | 166 | {"noipv6rs", no_argument, NULL, O_NOIPV6RS}, |
62f12387 RM |
167 | {"ipv6ra_autoconf", no_argument, NULL, O_IPV6RA_AUTOCONF}, |
168 | {"ipv6ra_noautoconf", no_argument, NULL, O_IPV6RA_NOAUTOCONF}, | |
eebe9a18 | 169 | {"ipv6ra_fork", no_argument, NULL, O_IPV6RA_FORK}, |
94bec972 | 170 | {"ipv4", no_argument, NULL, O_IPV4}, |
bb8051bf | 171 | {"noipv4", no_argument, NULL, O_NOIPV4}, |
94bec972 | 172 | {"ipv6", no_argument, NULL, O_IPV6}, |
bb8051bf | 173 | {"noipv6", no_argument, NULL, O_NOIPV6}, |
7dab081f | 174 | {"noalias", no_argument, NULL, O_NOALIAS}, |
7a911e57 | 175 | {"iaid", required_argument, NULL, O_IAID}, |
00ababe4 RM |
176 | {"ia_na", no_argument, NULL, O_IA_NA}, |
177 | {"ia_ta", no_argument, NULL, O_IA_TA}, | |
178 | {"ia_pd", no_argument, NULL, O_IA_PD}, | |
d6a18654 | 179 | {"hostname_short", no_argument, NULL, O_HOSTNAME_SHORT}, |
413652c1 RM |
180 | {"dev", required_argument, NULL, O_DEV}, |
181 | {"nodev", no_argument, NULL, O_NODEV}, | |
7a911e57 | 182 | {"define", required_argument, NULL, O_DEFINE}, |
2be15e88 | 183 | {"definend", required_argument, NULL, O_DEFINEND}, |
7a911e57 RM |
184 | {"define6", required_argument, NULL, O_DEFINE6}, |
185 | {"embed", required_argument, NULL, O_EMBED}, | |
186 | {"encap", required_argument, NULL, O_ENCAP}, | |
187 | {"vendopt", required_argument, NULL, O_VENDOPT}, | |
188 | {"vendclass", required_argument, NULL, O_VENDCLASS}, | |
c73ed171 RM |
189 | {"authprotocol", required_argument, NULL, O_AUTHPROTOCOL}, |
190 | {"authtoken", required_argument, NULL, O_AUTHTOKEN}, | |
191 | {"noauthrequired", no_argument, NULL, O_AUTHNOTREQUIRED}, | |
94bec972 | 192 | {"dhcp", no_argument, NULL, O_DHCP}, |
d4154ba7 | 193 | {"nodhcp", no_argument, NULL, O_NODHCP}, |
94bec972 | 194 | {"dhcp6", no_argument, NULL, O_DHCP6}, |
d4154ba7 | 195 | {"nodhcp6", no_argument, NULL, O_NODHCP6}, |
a93e79c6 | 196 | {"controlgroup", required_argument, NULL, O_CONTROLGRP}, |
1aeaf0e7 | 197 | {"slaac", required_argument, NULL, O_SLAAC}, |
85bff648 | 198 | {"reject", required_argument, NULL, O_REJECT}, |
8f924434 | 199 | {"bootp", no_argument, NULL, O_BOOTP}, |
f572315d | 200 | {"nodelay", no_argument, NULL, O_NODELAY}, |
2862d340 | 201 | {"noup", no_argument, NULL, O_NOUP}, |
b1ad0d39 | 202 | {"lastleaseextend", no_argument, NULL, O_LASTLEASE_EXTEND}, |
b4a86584 | 203 | {"inactive", no_argument, NULL, O_INACTIVE}, |
d85ad7d0 | 204 | {"mudurl", required_argument, NULL, O_MUDURL}, |
ba97e494 | 205 | {NULL, 0, NULL, '\0'} |
fd05b7dc RM |
206 | }; |
207 | ||
00ababe4 | 208 | static char * |
03274c9c | 209 | add_environ(struct if_options *ifo, const char *value, int uniq) |
fd05b7dc RM |
210 | { |
211 | char **newlist; | |
212 | char **lst = ifo->environ; | |
213 | size_t i = 0, l, lv; | |
fa245a4d | 214 | char *match = NULL, *p, *n; |
fd05b7dc | 215 | |
78369646 RM |
216 | match = strdup(value); |
217 | if (match == NULL) { | |
03274c9c | 218 | syslog(LOG_ERR, "%s: %m", __func__); |
78369646 RM |
219 | return NULL; |
220 | } | |
fd05b7dc | 221 | p = strchr(match, '='); |
d7cfde68 | 222 | if (p == NULL) { |
03274c9c | 223 | syslog(LOG_ERR, "%s: no assignment: %s", __func__, value); |
d7cfde68 RM |
224 | free(match); |
225 | return NULL; | |
226 | } | |
227 | *p++ = '\0'; | |
fd05b7dc RM |
228 | l = strlen(match); |
229 | ||
230 | while (lst && lst[i]) { | |
231 | if (match && strncmp(lst[i], match, l) == 0) { | |
232 | if (uniq) { | |
78369646 RM |
233 | n = strdup(value); |
234 | if (n == NULL) { | |
03274c9c | 235 | syslog(LOG_ERR, "%s: %m", __func__); |
8fc52ced | 236 | free(match); |
78369646 RM |
237 | return NULL; |
238 | } | |
fd05b7dc | 239 | free(lst[i]); |
78369646 | 240 | lst[i] = n; |
fd05b7dc RM |
241 | } else { |
242 | /* Append a space and the value to it */ | |
243 | l = strlen(lst[i]); | |
d7cfde68 | 244 | lv = strlen(p); |
fa245a4d RM |
245 | n = realloc(lst[i], l + lv + 2); |
246 | if (n == NULL) { | |
03274c9c | 247 | syslog(LOG_ERR, "%s: %m", __func__); |
8fc52ced | 248 | free(match); |
fa245a4d RM |
249 | return NULL; |
250 | } | |
251 | lst[i] = n; | |
fd05b7dc RM |
252 | lst[i][l] = ' '; |
253 | memcpy(lst[i] + l + 1, p, lv); | |
254 | lst[i][l + lv + 1] = '\0'; | |
255 | } | |
256 | free(match); | |
257 | return lst[i]; | |
258 | } | |
259 | i++; | |
260 | } | |
261 | ||
8fc52ced | 262 | free(match); |
78369646 RM |
263 | n = strdup(value); |
264 | if (n == NULL) { | |
03274c9c | 265 | syslog(LOG_ERR, "%s: %m", __func__); |
78369646 RM |
266 | return NULL; |
267 | } | |
fa245a4d RM |
268 | newlist = realloc(lst, sizeof(char *) * (i + 2)); |
269 | if (newlist == NULL) { | |
03274c9c | 270 | syslog(LOG_ERR, "%s: %m", __func__); |
8fc52ced | 271 | free(n); |
fa245a4d RM |
272 | return NULL; |
273 | } | |
78369646 | 274 | newlist[i] = n; |
fd05b7dc RM |
275 | newlist[i + 1] = NULL; |
276 | ifo->environ = newlist; | |
fd05b7dc RM |
277 | return newlist[i]; |
278 | } | |
279 | ||
280 | #define parse_string(buf, len, arg) parse_string_hwaddr(buf, len, arg, 0) | |
281 | static ssize_t | |
34457fe6 | 282 | parse_string_hwaddr(char *sbuf, size_t slen, const char *str, int clid) |
fd05b7dc | 283 | { |
34457fe6 | 284 | size_t l; |
fd05b7dc RM |
285 | const char *p; |
286 | int i, punt_last = 0; | |
d11f52f2 | 287 | char c[4], cmd; |
fd05b7dc RM |
288 | |
289 | /* If surrounded by quotes then it's a string */ | |
290 | if (*str == '"') { | |
291 | str++; | |
292 | l = strlen(str); | |
293 | p = str + l - 1; | |
294 | if (*p == '"') | |
295 | punt_last = 1; | |
296 | } else { | |
34457fe6 RM |
297 | l = (size_t)hwaddr_aton(NULL, str); |
298 | if ((ssize_t) l != -1 && l > 1) { | |
fd05b7dc RM |
299 | if (l > slen) { |
300 | errno = ENOBUFS; | |
301 | return -1; | |
302 | } | |
303 | hwaddr_aton((uint8_t *)sbuf, str); | |
34457fe6 | 304 | return (ssize_t)l; |
fd05b7dc RM |
305 | } |
306 | } | |
307 | ||
308 | /* Process escapes */ | |
309 | l = 0; | |
310 | /* If processing a string on the clientid, first byte should be | |
311 | * 0 to indicate a non hardware type */ | |
9c9ad2f1 | 312 | if (clid && *str) { |
7a911e57 RM |
313 | if (sbuf) |
314 | *sbuf++ = 0; | |
fd05b7dc RM |
315 | l++; |
316 | } | |
317 | c[3] = '\0'; | |
318 | while (*str) { | |
7a911e57 | 319 | if (++l > slen && sbuf) { |
fd05b7dc RM |
320 | errno = ENOBUFS; |
321 | return -1; | |
322 | } | |
323 | if (*str == '\\') { | |
324 | str++; | |
d11f52f2 | 325 | switch((cmd = *str++)) { |
fd05b7dc | 326 | case '\0': |
d11f52f2 | 327 | str--; |
fd05b7dc RM |
328 | break; |
329 | case 'b': | |
7a911e57 RM |
330 | if (sbuf) |
331 | *sbuf++ = '\b'; | |
fd05b7dc RM |
332 | break; |
333 | case 'n': | |
7a911e57 RM |
334 | if (sbuf) |
335 | *sbuf++ = '\n'; | |
fd05b7dc RM |
336 | break; |
337 | case 'r': | |
7a911e57 RM |
338 | if (sbuf) |
339 | *sbuf++ = '\r'; | |
fd05b7dc RM |
340 | break; |
341 | case 't': | |
7a911e57 RM |
342 | if (sbuf) |
343 | *sbuf++ = '\t'; | |
fd05b7dc RM |
344 | break; |
345 | case 'x': | |
346 | /* Grab a hex code */ | |
347 | c[1] = '\0'; | |
348 | for (i = 0; i < 2; i++) { | |
349 | if (isxdigit((unsigned char)*str) == 0) | |
350 | break; | |
351 | c[i] = *str++; | |
352 | } | |
7a911e57 | 353 | if (c[1] != '\0' && sbuf) { |
fd05b7dc | 354 | c[2] = '\0'; |
34457fe6 | 355 | *sbuf++ = (char)strtol(c, NULL, 16); |
fd05b7dc RM |
356 | } else |
357 | l--; | |
358 | break; | |
359 | case '0': | |
360 | /* Grab an octal code */ | |
361 | c[2] = '\0'; | |
362 | for (i = 0; i < 3; i++) { | |
363 | if (*str < '0' || *str > '7') | |
364 | break; | |
365 | c[i] = *str++; | |
366 | } | |
7a911e57 | 367 | if (c[2] != '\0' && sbuf) { |
34457fe6 | 368 | i = (int)strtol(c, NULL, 8); |
fd05b7dc RM |
369 | if (i > 255) |
370 | i = 255; | |
34457fe6 | 371 | *sbuf ++= (char)i; |
fd05b7dc RM |
372 | } else |
373 | l--; | |
374 | break; | |
375 | default: | |
7a911e57 | 376 | if (sbuf) |
d11f52f2 | 377 | *sbuf++ = cmd; |
7a911e57 | 378 | break; |
fd05b7dc | 379 | } |
7a911e57 RM |
380 | } else { |
381 | if (sbuf) | |
382 | *sbuf++ = *str; | |
383 | str++; | |
384 | } | |
fd05b7dc | 385 | } |
c35f63c8 | 386 | if (punt_last) { |
7a911e57 RM |
387 | if (sbuf) |
388 | *--sbuf = '\0'; | |
c35f63c8 RM |
389 | l--; |
390 | } | |
34457fe6 | 391 | return (ssize_t)l; |
fd05b7dc RM |
392 | } |
393 | ||
ebc9d360 | 394 | static int |
c73ed171 | 395 | parse_iaid1(uint8_t *iaid, const char *arg, size_t len, int n) |
ebc9d360 | 396 | { |
f94b4eab RM |
397 | int e; |
398 | uint32_t narg; | |
34457fe6 | 399 | ssize_t s; |
ebc9d360 | 400 | |
f94b4eab RM |
401 | narg = (uint32_t)strtou(arg, NULL, 0, 0, UINT32_MAX, &e); |
402 | if (e == 0) { | |
c73ed171 | 403 | if (n) |
f94b4eab RM |
404 | narg = htonl(narg); |
405 | memcpy(iaid, &narg, sizeof(narg)); | |
ebc9d360 RM |
406 | return 0; |
407 | } | |
408 | ||
069e2f28 | 409 | if ((s = parse_string((char *)iaid, len, arg)) < 1) |
ebc9d360 | 410 | return -1; |
ebc9d360 RM |
411 | if (s < 4) |
412 | iaid[3] = '\0'; | |
413 | if (s < 3) | |
414 | iaid[2] = '\0'; | |
415 | if (s < 2) | |
416 | iaid[1] = '\0'; | |
417 | return 0; | |
418 | } | |
419 | ||
c73ed171 RM |
420 | static int |
421 | parse_iaid(uint8_t *iaid, const char *arg, size_t len) | |
422 | { | |
423 | ||
424 | return parse_iaid1(iaid, arg, len, 1); | |
425 | } | |
426 | ||
e5fc8ac4 | 427 | #ifdef AUTH |
c73ed171 RM |
428 | static int |
429 | parse_uint32(uint32_t *i, const char *arg) | |
430 | { | |
431 | ||
432 | return parse_iaid1((uint8_t *)i, arg, sizeof(uint32_t), 0); | |
433 | } | |
e5fc8ac4 | 434 | #endif |
c73ed171 | 435 | |
ba97e494 | 436 | static char ** |
03274c9c | 437 | splitv(int *argc, char **argv, const char *arg) |
ba97e494 | 438 | { |
fa245a4d | 439 | char **n, **v = argv; |
78369646 | 440 | char *o = strdup(arg), *p, *t, *nt; |
ba97e494 | 441 | |
78369646 | 442 | if (o == NULL) { |
03274c9c | 443 | syslog(LOG_ERR, "%s: %m", __func__); |
78369646 RM |
444 | return v; |
445 | } | |
ba97e494 RM |
446 | p = o; |
447 | while ((t = strsep(&p, ", "))) { | |
fa245a4d RM |
448 | nt = strdup(t); |
449 | if (nt == NULL) { | |
03274c9c | 450 | syslog(LOG_ERR, "%s: %m", __func__); |
8fc52ced RM |
451 | free(o); |
452 | return v; | |
fa245a4d | 453 | } |
34457fe6 | 454 | n = realloc(v, sizeof(char *) * ((size_t)(*argc) + 1)); |
fa245a4d | 455 | if (n == NULL) { |
03274c9c | 456 | syslog(LOG_ERR, "%s: %m", __func__); |
8fc52ced RM |
457 | free(o); |
458 | free(nt); | |
459 | return v; | |
fa245a4d RM |
460 | } |
461 | v = n; | |
8fc52ced | 462 | v[(*argc)++] = nt; |
ba97e494 RM |
463 | } |
464 | free(o); | |
00ababe4 | 465 | return v; |
ba97e494 RM |
466 | } |
467 | ||
1f4c1525 | 468 | #ifdef INET |
91a44b91 | 469 | static int |
03274c9c | 470 | parse_addr(struct in_addr *addr, struct in_addr *net, const char *arg) |
91a44b91 RM |
471 | { |
472 | char *p; | |
91a44b91 | 473 | |
2f7cb97c RM |
474 | if (arg == NULL || *arg == '\0') { |
475 | if (addr != NULL) | |
476 | addr->s_addr = 0; | |
477 | if (net != NULL) | |
478 | net->s_addr = 0; | |
91a44b91 | 479 | return 0; |
2f7cb97c | 480 | } |
91a44b91 | 481 | if ((p = strchr(arg, '/')) != NULL) { |
96dbe2c7 RM |
482 | int e; |
483 | intmax_t i; | |
484 | ||
91a44b91 | 485 | *p++ = '\0'; |
96dbe2c7 RM |
486 | i = strtoi(p, NULL, 10, 0, 32, &e); |
487 | if (e != 0 || | |
488 | (net != NULL && inet_cidrtoaddr((int)i, net) != 0)) | |
91a44b91 | 489 | { |
03274c9c | 490 | syslog(LOG_ERR, "`%s' is not a valid CIDR", p); |
91a44b91 RM |
491 | return -1; |
492 | } | |
00ababe4 | 493 | } |
2f7cb97c | 494 | |
91a44b91 | 495 | if (addr != NULL && inet_aton(arg, addr) == 0) { |
03274c9c | 496 | syslog(LOG_ERR, "`%s' is not a valid IP address", arg); |
91a44b91 RM |
497 | return -1; |
498 | } | |
2f7cb97c | 499 | if (p != NULL) |
e095a6eb | 500 | *--p = '/'; |
8fc52ced | 501 | else if (net != NULL && addr != NULL) |
e88c525f | 502 | net->s_addr = ipv4_getnetmask(addr->s_addr); |
91a44b91 | 503 | return 0; |
1f4c1525 | 504 | } |
aae24feb | 505 | #else |
1f4c1525 | 506 | static int |
03274c9c | 507 | parse_addr(__unused struct in_addr *addr, __unused struct in_addr *net, |
1f4c1525 RM |
508 | __unused const char *arg) |
509 | { | |
510 | ||
03274c9c | 511 | syslog(LOG_ERR, "No IPv4 support"); |
aae24feb | 512 | return -1; |
91a44b91 | 513 | } |
1f4c1525 | 514 | #endif |
91a44b91 | 515 | |
00ababe4 | 516 | static const char * |
4eb7b489 | 517 | set_option_space(struct dhcpcd_ctx *ctx, |
49b749f0 RM |
518 | const char *arg, |
519 | const struct dhcp_opt **d, size_t *dl, | |
520 | const struct dhcp_opt **od, size_t *odl, | |
d7555c12 | 521 | struct if_options *ifo, |
85bff648 | 522 | uint8_t *request[], uint8_t *require[], uint8_t *no[], uint8_t *reject[]) |
d7555c12 RM |
523 | { |
524 | ||
ca867830 | 525 | #if !defined(INET) && !defined(INET6) |
2be15e88 | 526 | UNUSED(ctx); |
ca867830 RM |
527 | #endif |
528 | ||
aae24feb | 529 | #ifdef INET6 |
2be15e88 RM |
530 | if (strncmp(arg, "nd_", strlen("nd_")) == 0) { |
531 | *d = ctx->nd_opts; | |
532 | *dl = ctx->nd_opts_len; | |
533 | *od = ifo->nd_override; | |
534 | *odl = ifo->nd_override_len; | |
535 | *request = ifo->requestmasknd; | |
536 | *require = ifo->requiremasknd; | |
537 | *no = ifo->nomasknd; | |
538 | *reject = ifo->rejectmasknd; | |
539 | return arg + strlen("nd_"); | |
540 | } | |
541 | ||
d7555c12 | 542 | if (strncmp(arg, "dhcp6_", strlen("dhcp6_")) == 0) { |
4eb7b489 RM |
543 | *d = ctx->dhcp6_opts; |
544 | *dl = ctx->dhcp6_opts_len; | |
49b749f0 RM |
545 | *od = ifo->dhcp6_override; |
546 | *odl = ifo->dhcp6_override_len; | |
d7555c12 RM |
547 | *request = ifo->requestmask6; |
548 | *require = ifo->requiremask6; | |
549 | *no = ifo->nomask6; | |
85bff648 | 550 | *reject = ifo->rejectmask6; |
d7555c12 RM |
551 | return arg + strlen("dhcp6_"); |
552 | } | |
aae24feb RM |
553 | #endif |
554 | ||
555 | #ifdef INET | |
4eb7b489 RM |
556 | *d = ctx->dhcp_opts; |
557 | *dl = ctx->dhcp_opts_len; | |
49b749f0 RM |
558 | *od = ifo->dhcp_override; |
559 | *odl = ifo->dhcp_override_len; | |
aae24feb RM |
560 | #else |
561 | *d = NULL; | |
ae4e592f | 562 | *dl = 0; |
49b749f0 RM |
563 | *od = NULL; |
564 | *odl = 0; | |
aae24feb | 565 | #endif |
d7555c12 RM |
566 | *request = ifo->requestmask; |
567 | *require = ifo->requiremask; | |
568 | *no = ifo->nomask; | |
85bff648 | 569 | *reject = ifo->rejectmask; |
d7555c12 RM |
570 | return arg; |
571 | } | |
572 | ||
1cd05a96 | 573 | void |
8e7d8c37 RM |
574 | free_dhcp_opt_embenc(struct dhcp_opt *opt) |
575 | { | |
576 | size_t i; | |
bc22d277 | 577 | struct dhcp_opt *o; |
8e7d8c37 | 578 | |
bc22d277 | 579 | free(opt->var); |
8e7d8c37 | 580 | |
bc22d277 | 581 | for (i = 0, o = opt->embopts; i < opt->embopts_len; i++, o++) |
e877fba7 | 582 | free_dhcp_opt_embenc(o); |
8e7d8c37 RM |
583 | free(opt->embopts); |
584 | opt->embopts_len = 0; | |
585 | opt->embopts = NULL; | |
586 | ||
bc22d277 | 587 | for (i = 0, o = opt->encopts; i < opt->encopts_len; i++, o++) |
e877fba7 | 588 | free_dhcp_opt_embenc(o); |
8e7d8c37 RM |
589 | free(opt->encopts); |
590 | opt->encopts_len = 0; | |
591 | opt->encopts = NULL; | |
592 | } | |
593 | ||
1cd05a96 RM |
594 | static char * |
595 | strwhite(const char *s) | |
596 | { | |
597 | ||
4dd50184 RM |
598 | if (s == NULL) |
599 | return NULL; | |
1cd05a96 RM |
600 | while (*s != ' ' && *s != '\t') { |
601 | if (*s == '\0') | |
602 | return NULL; | |
603 | s++; | |
604 | } | |
605 | return UNCONST(s); | |
606 | } | |
607 | ||
608 | static char * | |
609 | strskipwhite(const char *s) | |
610 | { | |
611 | ||
79f1f126 | 612 | if (s == NULL || *s == '\0') |
4dd50184 | 613 | return NULL; |
1cd05a96 | 614 | while (*s == ' ' || *s == '\t') { |
79f1f126 | 615 | s++; |
1cd05a96 RM |
616 | if (*s == '\0') |
617 | return NULL; | |
1cd05a96 RM |
618 | } |
619 | return UNCONST(s); | |
620 | } | |
621 | ||
e5fc8ac4 | 622 | #ifdef AUTH |
c73ed171 RM |
623 | /* Find the end pointer of a string. */ |
624 | static char * | |
625 | strend(const char *s) | |
626 | { | |
627 | ||
628 | s = strskipwhite(s); | |
629 | if (s == NULL) | |
630 | return NULL; | |
631 | if (*s != '"') | |
632 | return strchr(s, ' '); | |
633 | s++; | |
634 | for (; *s != '"' ; s++) { | |
635 | if (*s == '\0') | |
636 | return NULL; | |
637 | if (*s == '\\') { | |
638 | if (*(++s) == '\0') | |
639 | return NULL; | |
640 | } | |
641 | } | |
642 | return UNCONST(++s); | |
643 | } | |
e5fc8ac4 | 644 | #endif |
c73ed171 | 645 | |
fd05b7dc | 646 | static int |
4eb7b489 RM |
647 | parse_option(struct dhcpcd_ctx *ctx, const char *ifname, struct if_options *ifo, |
648 | int opt, const char *arg, struct dhcp_opt **ldop, struct dhcp_opt **edop) | |
fd05b7dc | 649 | { |
f94b4eab | 650 | int e, i, t; |
a93e79c6 | 651 | long l; |
76bb4d03 | 652 | unsigned long u; |
cc71162d | 653 | char *p = NULL, *bp, *fp, *np, **nconf; |
fd05b7dc | 654 | ssize_t s; |
e095a6eb | 655 | struct in_addr addr, addr2; |
fa245a4d | 656 | in_addr_t *naddr; |
91a44b91 | 657 | struct rt *rt; |
49b749f0 | 658 | const struct dhcp_opt *d, *od; |
85bff648 | 659 | uint8_t *request, *require, *no, *reject; |
8e7d8c37 | 660 | struct dhcp_opt **dop, *ndop; |
49b749f0 | 661 | size_t *dop_len, dl, odl; |
7a911e57 | 662 | struct vivco *vivco; |
a93e79c6 | 663 | struct group *grp; |
e5fc8ac4 RM |
664 | #ifdef AUTH |
665 | struct token *token; | |
666 | #endif | |
a93e79c6 | 667 | #ifdef _REENTRANT |
a93e79c6 RM |
668 | struct group grpbuf; |
669 | #endif | |
bd762353 | 670 | #ifdef DHCP6 |
1f4c1525 | 671 | size_t sl; |
ebc9d360 RM |
672 | struct if_ia *ia; |
673 | uint8_t iaid[4]; | |
5985c4e2 | 674 | struct if_sla *sla, *slap; |
1f4c1525 | 675 | #endif |
fd05b7dc | 676 | |
8e7d8c37 RM |
677 | dop = NULL; |
678 | dop_len = NULL; | |
7a02120f RM |
679 | #ifdef INET6 |
680 | i = 0; | |
681 | #endif | |
6bcb242d RM |
682 | |
683 | /* Add a guard for static analysers. | |
684 | * This should not be needed really because of the argument_required option | |
685 | * in the options declaration above. */ | |
686 | #define ARG_REQUIRED if (arg == NULL) goto arg_required | |
687 | ||
fd05b7dc | 688 | switch(opt) { |
5e2062a4 | 689 | case 'f': /* FALLTHROUGH */ |
6bfd88f1 | 690 | case 'g': /* FALLTHROUGH */ |
da166178 | 691 | case 'n': /* FALLTHROUGH */ |
03274c9c | 692 | case 'q': /* FALLTHROUGH */ |
da166178 | 693 | case 'x': /* FALLTHROUGH */ |
56a66017 | 694 | case 'N': /* FALLTHROUGH */ |
c31b1719 | 695 | case 'P': /* FALLTHROUGH */ |
dc60cba4 | 696 | case 'T': /* FALLTHROUGH */ |
b7f5d1db RM |
697 | case 'U': /* FALLTHROUGH */ |
698 | case 'V': /* We need to handle non interface options */ | |
fd05b7dc | 699 | break; |
03c2c879 RM |
700 | case 'b': |
701 | ifo->options |= DHCPCD_BACKGROUND; | |
702 | break; | |
fd05b7dc | 703 | case 'c': |
6bcb242d | 704 | ARG_REQUIRED; |
1681b126 RM |
705 | free(ifo->script); |
706 | ifo->script = strdup(arg); | |
707 | if (ifo->script == NULL) | |
03274c9c | 708 | syslog(LOG_ERR, "%s: %m", __func__); |
fd05b7dc | 709 | break; |
acb1cf88 RM |
710 | case 'd': |
711 | ifo->options |= DHCPCD_DEBUG; | |
712 | break; | |
6bfd88f1 | 713 | case 'e': |
6bcb242d | 714 | ARG_REQUIRED; |
03274c9c | 715 | add_environ(ifo, arg, 1); |
6bfd88f1 | 716 | break; |
fd05b7dc | 717 | case 'h': |
cc3c3560 RM |
718 | if (!arg) { |
719 | ifo->options |= DHCPCD_HOSTNAME; | |
720 | break; | |
721 | } | |
722 | s = parse_string(ifo->hostname, HOSTNAME_MAX_LEN, arg); | |
723 | if (s == -1) { | |
03274c9c | 724 | syslog(LOG_ERR, "hostname: %m"); |
cc3c3560 RM |
725 | return -1; |
726 | } | |
727 | if (s != 0 && ifo->hostname[0] == '.') { | |
03274c9c | 728 | syslog(LOG_ERR, "hostname cannot begin with ."); |
cc3c3560 | 729 | return -1; |
fd05b7dc | 730 | } |
cc3c3560 | 731 | ifo->hostname[s] = '\0'; |
ed913a59 RM |
732 | if (ifo->hostname[0] == '\0') |
733 | ifo->options &= ~DHCPCD_HOSTNAME; | |
734 | else | |
735 | ifo->options |= DHCPCD_HOSTNAME; | |
fd05b7dc RM |
736 | break; |
737 | case 'i': | |
738 | if (arg) | |
739 | s = parse_string((char *)ifo->vendorclassid + 1, | |
eab2229c | 740 | VENDORCLASSID_MAX_LEN, arg); |
fd05b7dc RM |
741 | else |
742 | s = 0; | |
743 | if (s == -1) { | |
03274c9c | 744 | syslog(LOG_ERR, "vendorclassid: %m"); |
fd05b7dc RM |
745 | return -1; |
746 | } | |
747 | *ifo->vendorclassid = (uint8_t)s; | |
748 | break; | |
2662d519 RM |
749 | case 'k': |
750 | ifo->options |= DHCPCD_RELEASE; | |
751 | break; | |
fd05b7dc | 752 | case 'l': |
6bcb242d | 753 | ARG_REQUIRED; |
f94b4eab RM |
754 | ifo->leasetime = (uint32_t)strtou(arg, NULL, |
755 | 0, 0, UINT32_MAX, &e); | |
756 | if (e) { | |
03274c9c | 757 | syslog(LOG_ERR, "failed to convert leasetime %s", arg); |
fd05b7dc RM |
758 | return -1; |
759 | } | |
760 | break; | |
761 | case 'm': | |
6bcb242d | 762 | ARG_REQUIRED; |
f94b4eab RM |
763 | ifo->metric = (int)strtoi(arg, NULL, 0, 0, INT32_MAX, &e); |
764 | if (e) { | |
03274c9c | 765 | syslog(LOG_ERR, "failed to convert metric %s", arg); |
fd05b7dc RM |
766 | return -1; |
767 | } | |
768 | break; | |
769 | case 'o': | |
6bcb242d | 770 | ARG_REQUIRED; |
49b749f0 | 771 | arg = set_option_space(ctx, arg, &d, &dl, &od, &odl, ifo, |
85bff648 | 772 | &request, &require, &no, &reject); |
49b749f0 | 773 | if (make_option_mask(d, dl, od, odl, request, arg, 1) != 0 || |
85bff648 RM |
774 | make_option_mask(d, dl, od, odl, no, arg, -1) != 0 || |
775 | make_option_mask(d, dl, od, odl, reject, arg, -1) != 0) | |
776 | { | |
03274c9c | 777 | syslog(LOG_ERR, "unknown option `%s'", arg); |
85bff648 RM |
778 | return -1; |
779 | } | |
780 | break; | |
781 | case O_REJECT: | |
6bcb242d | 782 | ARG_REQUIRED; |
85bff648 RM |
783 | arg = set_option_space(ctx, arg, &d, &dl, &od, &odl, ifo, |
784 | &request, &require, &no, &reject); | |
785 | if (make_option_mask(d, dl, od, odl, reject, arg, 1) != 0 || | |
786 | make_option_mask(d, dl, od, odl, request, arg, -1) != 0 || | |
787 | make_option_mask(d, dl, od, odl, require, arg, -1) != 0) | |
ee56a47d | 788 | { |
03274c9c | 789 | syslog(LOG_ERR, "unknown option `%s'", arg); |
fd05b7dc RM |
790 | return -1; |
791 | } | |
792 | break; | |
793 | case 'p': | |
794 | ifo->options |= DHCPCD_PERSISTENT; | |
795 | break; | |
2f7cb97c | 796 | case 'r': |
03274c9c | 797 | if (parse_addr(&ifo->req_addr, NULL, arg) != 0) |
2f7cb97c | 798 | return -1; |
5b39d8f5 | 799 | ifo->options |= DHCPCD_REQUEST; |
2f7cb97c RM |
800 | ifo->req_mask.s_addr = 0; |
801 | break; | |
fd05b7dc | 802 | case 's': |
2f7cb97c | 803 | if (arg && *arg != '\0') { |
03274c9c RM |
804 | if (parse_addr(&ifo->req_addr, &ifo->req_mask, arg) |
805 | != 0) | |
91a44b91 | 806 | return -1; |
2f7cb97c RM |
807 | } else { |
808 | ifo->req_addr.s_addr = 0; | |
809 | ifo->req_mask.s_addr = 0; | |
fd05b7dc | 810 | } |
5b39d8f5 | 811 | ifo->options |= DHCPCD_INFORM | DHCPCD_PERSISTENT; |
10e16029 | 812 | ifo->options &= ~DHCPCD_STATIC; |
91a44b91 | 813 | break; |
567a2357 RM |
814 | case O_INFORM6: |
815 | ifo->options |= DHCPCD_INFORM6; | |
816 | break; | |
fd05b7dc | 817 | case 't': |
6bcb242d | 818 | ARG_REQUIRED; |
f94b4eab RM |
819 | ifo->timeout = (time_t)strtoi(arg, NULL, 0, 0, INT32_MAX, &e); |
820 | if (e) { | |
03274c9c | 821 | syslog(LOG_ERR, "failed to convert timeout"); |
fd05b7dc RM |
822 | return -1; |
823 | } | |
824 | break; | |
825 | case 'u': | |
826 | s = USERCLASS_MAX_LEN - ifo->userclass[0] - 1; | |
eab2229c | 827 | s = parse_string((char *)ifo->userclass + |
34457fe6 | 828 | ifo->userclass[0] + 2, (size_t)s, arg); |
fd05b7dc | 829 | if (s == -1) { |
03274c9c | 830 | syslog(LOG_ERR, "userclass: %m"); |
fd05b7dc RM |
831 | return -1; |
832 | } | |
833 | if (s != 0) { | |
34457fe6 | 834 | ifo->userclass[ifo->userclass[0] + 1] = (uint8_t)s; |
d7a4dcf9 | 835 | ifo->userclass[0] = (uint8_t)(ifo->userclass[0] + s +1); |
fd05b7dc RM |
836 | } |
837 | break; | |
838 | case 'v': | |
6bcb242d | 839 | ARG_REQUIRED; |
fd05b7dc RM |
840 | p = strchr(arg, ','); |
841 | if (!p || !p[1]) { | |
03274c9c | 842 | syslog(LOG_ERR, "invalid vendor format: %s", arg); |
fd05b7dc RM |
843 | return -1; |
844 | } | |
95d6dcfa RM |
845 | |
846 | /* If vendor starts with , then it is not encapsulated */ | |
847 | if (p == arg) { | |
848 | arg++; | |
849 | s = parse_string((char *)ifo->vendor + 1, | |
850 | VENDOR_MAX_LEN, arg); | |
851 | if (s == -1) { | |
03274c9c | 852 | syslog(LOG_ERR, "vendor: %m"); |
95d6dcfa RM |
853 | return -1; |
854 | } | |
855 | ifo->vendor[0] = (uint8_t)s; | |
856 | ifo->options |= DHCPCD_VENDORRAW; | |
857 | break; | |
858 | } | |
859 | ||
860 | /* Encapsulated vendor options */ | |
861 | if (ifo->options & DHCPCD_VENDORRAW) { | |
862 | ifo->options &= ~DHCPCD_VENDORRAW; | |
863 | ifo->vendor[0] = 0; | |
864 | } | |
865 | ||
d7a4dcf9 RM |
866 | /* Strip and preserve the comma */ |
867 | *p = '\0'; | |
f94b4eab | 868 | i = (int)strtoi(arg, NULL, 0, 1, 254, &e); |
d7a4dcf9 | 869 | *p = ','; |
f94b4eab | 870 | if (e) { |
03274c9c | 871 | syslog(LOG_ERR, "vendor option should be between" |
eab2229c | 872 | " 1 and 254 inclusive"); |
fd05b7dc RM |
873 | return -1; |
874 | } | |
b357d09f RM |
875 | |
876 | arg = p + 1; | |
fd05b7dc RM |
877 | s = VENDOR_MAX_LEN - ifo->vendor[0] - 2; |
878 | if (inet_aton(arg, &addr) == 1) { | |
879 | if (s < 6) { | |
880 | s = -1; | |
881 | errno = ENOBUFS; | |
aeddc61a | 882 | } else { |
fd05b7dc | 883 | memcpy(ifo->vendor + ifo->vendor[0] + 3, |
eab2229c | 884 | &addr.s_addr, sizeof(addr.s_addr)); |
aeddc61a RM |
885 | s = sizeof(addr.s_addr); |
886 | } | |
fd05b7dc | 887 | } else { |
eab2229c | 888 | s = parse_string((char *)ifo->vendor + |
34457fe6 | 889 | ifo->vendor[0] + 3, (size_t)s, arg); |
fd05b7dc RM |
890 | } |
891 | if (s == -1) { | |
03274c9c | 892 | syslog(LOG_ERR, "vendor: %m"); |
fd05b7dc RM |
893 | return -1; |
894 | } | |
895 | if (s != 0) { | |
34457fe6 RM |
896 | ifo->vendor[ifo->vendor[0] + 1] = (uint8_t)i; |
897 | ifo->vendor[ifo->vendor[0] + 2] = (uint8_t)s; | |
d7a4dcf9 | 898 | ifo->vendor[0] = (uint8_t)(ifo->vendor[0] + s + 2); |
fd05b7dc RM |
899 | } |
900 | break; | |
2a07a2af RM |
901 | case 'w': |
902 | ifo->options |= DHCPCD_WAITIP; | |
7013b073 RM |
903 | if (arg != NULL && arg[0] != '\0') { |
904 | if (arg[0] == '4' || arg[1] == '4') | |
905 | ifo->options |= DHCPCD_WAITIP4; | |
906 | if (arg[0] == '6' || arg[1] == '6') | |
907 | ifo->options |= DHCPCD_WAITIP6; | |
908 | } | |
2a07a2af | 909 | break; |
a2a9a498 | 910 | case 'y': |
6bcb242d | 911 | ARG_REQUIRED; |
f94b4eab RM |
912 | ifo->reboot = (time_t)strtoi(arg, NULL, 0, 0, UINT32_MAX, &e); |
913 | if (e) { | |
03274c9c | 914 | syslog(LOG_ERR, "failed to convert reboot %s", arg); |
a2a9a498 RM |
915 | return -1; |
916 | } | |
917 | break; | |
d3088c74 | 918 | case 'z': |
6bcb242d | 919 | ARG_REQUIRED; |
4eb7b489 | 920 | if (ifname == NULL) |
03274c9c | 921 | ctx->ifav = splitv(&ctx->ifac, ctx->ifav, arg); |
d3088c74 | 922 | break; |
fd05b7dc RM |
923 | case 'A': |
924 | ifo->options &= ~DHCPCD_ARP; | |
925 | /* IPv4LL requires ARP */ | |
926 | ifo->options &= ~DHCPCD_IPV4LL; | |
927 | break; | |
03c2c879 RM |
928 | case 'B': |
929 | ifo->options &= ~DHCPCD_DAEMONISE; | |
930 | break; | |
fd05b7dc | 931 | case 'C': |
6bcb242d | 932 | ARG_REQUIRED; |
fd05b7dc RM |
933 | /* Commas to spaces for shell */ |
934 | while ((p = strchr(arg, ','))) | |
935 | *p = ' '; | |
34457fe6 RM |
936 | dl = strlen("skip_hooks=") + strlen(arg) + 1; |
937 | p = malloc(sizeof(char) * dl); | |
28382337 | 938 | if (p == NULL) { |
03274c9c | 939 | syslog(LOG_ERR, "%s: %m", __func__); |
28382337 RM |
940 | return -1; |
941 | } | |
34457fe6 | 942 | snprintf(p, dl, "skip_hooks=%s", arg); |
03274c9c | 943 | add_environ(ifo, p, 0); |
fd05b7dc RM |
944 | free(p); |
945 | break; | |
946 | case 'D': | |
c989b023 | 947 | ifo->options |= DHCPCD_CLIENTID | DHCPCD_DUID; |
fd05b7dc RM |
948 | break; |
949 | case 'E': | |
950 | ifo->options |= DHCPCD_LASTLEASE; | |
951 | break; | |
952 | case 'F': | |
953 | if (!arg) { | |
954 | ifo->fqdn = FQDN_BOTH; | |
955 | break; | |
956 | } | |
957 | if (strcmp(arg, "none") == 0) | |
958 | ifo->fqdn = FQDN_NONE; | |
959 | else if (strcmp(arg, "ptr") == 0) | |
960 | ifo->fqdn = FQDN_PTR; | |
961 | else if (strcmp(arg, "both") == 0) | |
962 | ifo->fqdn = FQDN_BOTH; | |
963 | else if (strcmp(arg, "disable") == 0) | |
964 | ifo->fqdn = FQDN_DISABLE; | |
965 | else { | |
03274c9c | 966 | syslog(LOG_ERR, "invalid value `%s' for FQDN", arg); |
fd05b7dc RM |
967 | return -1; |
968 | } | |
969 | break; | |
4242c9b3 RM |
970 | case 'H': |
971 | ifo->options |= DHCPCD_XID_HWADDR; | |
972 | break; | |
fd05b7dc RM |
973 | case 'I': |
974 | /* Strings have a type of 0 */; | |
975 | ifo->clientid[1] = 0; | |
976 | if (arg) | |
977 | s = parse_string_hwaddr((char *)ifo->clientid + 1, | |
eab2229c | 978 | CLIENTID_MAX_LEN, arg, 1); |
fd05b7dc RM |
979 | else |
980 | s = 0; | |
981 | if (s == -1) { | |
03274c9c | 982 | syslog(LOG_ERR, "clientid: %m"); |
fd05b7dc RM |
983 | return -1; |
984 | } | |
c989b023 | 985 | ifo->options |= DHCPCD_CLIENTID; |
fd05b7dc | 986 | ifo->clientid[0] = (uint8_t)s; |
fd05b7dc | 987 | break; |
900b3da4 RM |
988 | case 'J': |
989 | ifo->options |= DHCPCD_BROADCAST; | |
990 | break; | |
fd05b7dc RM |
991 | case 'K': |
992 | ifo->options &= ~DHCPCD_LINK; | |
993 | break; | |
994 | case 'L': | |
995 | ifo->options &= ~DHCPCD_IPV4LL; | |
996 | break; | |
b3174181 RM |
997 | case 'M': |
998 | ifo->options |= DHCPCD_MASTER; | |
999 | break; | |
fd05b7dc | 1000 | case 'O': |
6bcb242d | 1001 | ARG_REQUIRED; |
49b749f0 | 1002 | arg = set_option_space(ctx, arg, &d, &dl, &od, &odl, ifo, |
85bff648 | 1003 | &request, &require, &no, &reject); |
49b749f0 RM |
1004 | if (make_option_mask(d, dl, od, odl, request, arg, -1) != 0 || |
1005 | make_option_mask(d, dl, od, odl, require, arg, -1) != 0 || | |
1006 | make_option_mask(d, dl, od, odl, no, arg, 1) != 0) | |
fd05b7dc | 1007 | { |
03274c9c | 1008 | syslog(LOG_ERR, "unknown option `%s'", arg); |
fd05b7dc RM |
1009 | return -1; |
1010 | } | |
1011 | break; | |
1012 | case 'Q': | |
6bcb242d | 1013 | ARG_REQUIRED; |
49b749f0 | 1014 | arg = set_option_space(ctx, arg, &d, &dl, &od, &odl, ifo, |
85bff648 | 1015 | &request, &require, &no, &reject); |
49b749f0 RM |
1016 | if (make_option_mask(d, dl, od, odl, require, arg, 1) != 0 || |
1017 | make_option_mask(d, dl, od, odl, request, arg, 1) != 0 || | |
85bff648 RM |
1018 | make_option_mask(d, dl, od, odl, no, arg, -1) != 0 || |
1019 | make_option_mask(d, dl, od, odl, reject, arg, -1) != 0) | |
fd05b7dc | 1020 | { |
03274c9c | 1021 | syslog(LOG_ERR, "unknown option `%s'", arg); |
fd05b7dc RM |
1022 | return -1; |
1023 | } | |
1024 | break; | |
91a44b91 | 1025 | case 'S': |
6bcb242d | 1026 | ARG_REQUIRED; |
91a44b91 RM |
1027 | p = strchr(arg, '='); |
1028 | if (p == NULL) { | |
03274c9c | 1029 | syslog(LOG_ERR, "static assignment required"); |
91a44b91 RM |
1030 | return -1; |
1031 | } | |
1032 | p++; | |
1033 | if (strncmp(arg, "ip_address=", strlen("ip_address=")) == 0) { | |
03274c9c | 1034 | if (parse_addr(&ifo->req_addr, |
776961cf RM |
1035 | ifo->req_mask.s_addr == 0 ? &ifo->req_mask : NULL, |
1036 | p) != 0) | |
91a44b91 RM |
1037 | return -1; |
1038 | ||
1039 | ifo->options |= DHCPCD_STATIC; | |
fa8b2a7a | 1040 | ifo->options &= ~DHCPCD_INFORM; |
069e2f28 RM |
1041 | } else if (strncmp(arg, "subnet_mask=", |
1042 | strlen("subnet_mask=")) == 0) | |
1043 | { | |
03274c9c | 1044 | if (parse_addr(&ifo->req_mask, NULL, p) != 0) |
776961cf | 1045 | return -1; |
91a44b91 | 1046 | } else if (strncmp(arg, "routes=", strlen("routes=")) == 0 || |
069e2f28 RM |
1047 | strncmp(arg, "static_routes=", |
1048 | strlen("static_routes=")) == 0 || | |
1049 | strncmp(arg, "classless_static_routes=", | |
1050 | strlen("classless_static_routes=")) == 0 || | |
1051 | strncmp(arg, "ms_classless_static_routes=", | |
1052 | strlen("ms_classless_static_routes=")) == 0) | |
91a44b91 | 1053 | { |
9aa11487 RM |
1054 | struct in_addr addr3; |
1055 | ||
1cd05a96 | 1056 | fp = np = strwhite(p); |
91a44b91 | 1057 | if (np == NULL) { |
03274c9c | 1058 | syslog(LOG_ERR, "all routes need a gateway"); |
91a44b91 RM |
1059 | return -1; |
1060 | } | |
1061 | *np++ = '\0'; | |
1cd05a96 | 1062 | np = strskipwhite(np); |
03274c9c RM |
1063 | if (parse_addr(&addr, &addr2, p) == -1 || |
1064 | parse_addr(&addr3, NULL, np) == -1) | |
9aa11487 | 1065 | { |
4c9c4b3e RM |
1066 | *fp = ' '; |
1067 | return -1; | |
91a44b91 | 1068 | } |
9aa11487 | 1069 | if ((rt = rt_new(if_find(ctx->ifaces, ifname))) == NULL) { |
332a5fe6 | 1070 | *fp = ' '; |
91a44b91 | 1071 | return -1; |
332a5fe6 | 1072 | } |
9aa11487 RM |
1073 | sa_in_init(&rt->rt_dest, &addr); |
1074 | sa_in_init(&rt->rt_netmask, &addr2); | |
1075 | sa_in_init(&rt->rt_gateway, &addr3); | |
1076 | TAILQ_INSERT_TAIL(&ifo->routes, rt, rt_next); | |
332a5fe6 | 1077 | *fp = ' '; |
91a44b91 | 1078 | } else if (strncmp(arg, "routers=", strlen("routers=")) == 0) { |
03274c9c | 1079 | if (parse_addr(&addr, NULL, p) == -1) |
4c9c4b3e | 1080 | return -1; |
9aa11487 | 1081 | if ((rt = rt_new(if_find(ctx->ifaces, ifname))) == NULL) |
91a44b91 | 1082 | return -1; |
9aa11487 RM |
1083 | addr2.s_addr = INADDR_ANY; |
1084 | sa_in_init(&rt->rt_dest, &addr2); | |
1085 | sa_in_init(&rt->rt_netmask, &addr2); | |
1086 | sa_in_init(&rt->rt_gateway, &addr); | |
1087 | TAILQ_INSERT_TAIL(&ifo->routes, rt, rt_next); | |
afcd7cbd RM |
1088 | } else if (strncmp(arg, "interface_mtu=", |
1089 | strlen("interface_mtu=")) == 0 || | |
1090 | strncmp(arg, "mtu=", strlen("mtu=")) == 0) | |
1091 | { | |
1092 | ifo->mtu = (unsigned int)strtou(p, NULL, 0, | |
1093 | MTU_MIN, MTU_MAX, &e); | |
1094 | if (e) { | |
03274c9c | 1095 | syslog(LOG_ERR, "invalid MTU %s", p); |
afcd7cbd RM |
1096 | return -1; |
1097 | } | |
408fe755 RM |
1098 | } else if (strncmp(arg, "ip6_address=", strlen("ip6_address=")) == 0) { |
1099 | np = strchr(p, '/'); | |
1100 | if (np) | |
1101 | *np++ = '\0'; | |
1102 | if (inet_pton(AF_INET6, p, &ifo->req_addr6) == 1) { | |
1103 | if (np) { | |
1104 | ifo->req_prefix_len = (uint8_t)strtou(np, | |
1105 | NULL, 0, 0, 128, &e); | |
1106 | if (e) { | |
03274c9c | 1107 | syslog(LOG_ERR, |
408fe755 RM |
1108 | "%s: failed to " |
1109 | "convert prefix len", | |
1110 | ifname); | |
1111 | return -1; | |
1112 | } | |
1113 | } else | |
1114 | ifo->req_prefix_len = 128; | |
1115 | } | |
91a44b91 | 1116 | } else { |
34457fe6 | 1117 | dl = 0; |
91a44b91 | 1118 | if (ifo->config != NULL) { |
34457fe6 RM |
1119 | while (ifo->config[dl] != NULL) { |
1120 | if (strncmp(ifo->config[dl], arg, | |
1121 | (size_t)(p - arg)) == 0) | |
eab2229c | 1122 | { |
78369646 RM |
1123 | p = strdup(arg); |
1124 | if (p == NULL) { | |
03274c9c | 1125 | syslog(LOG_ERR, |
78369646 RM |
1126 | "%s: %m", __func__); |
1127 | return -1; | |
1128 | } | |
34457fe6 RM |
1129 | free(ifo->config[dl]); |
1130 | ifo->config[dl] = p; | |
91a44b91 RM |
1131 | return 1; |
1132 | } | |
34457fe6 | 1133 | dl++; |
91a44b91 RM |
1134 | } |
1135 | } | |
78369646 | 1136 | p = strdup(arg); |
fa245a4d | 1137 | if (p == NULL) { |
03274c9c | 1138 | syslog(LOG_ERR, "%s: %m", __func__); |
fa245a4d RM |
1139 | return -1; |
1140 | } | |
34457fe6 | 1141 | nconf = realloc(ifo->config, sizeof(char *) * (dl + 2)); |
78369646 | 1142 | if (nconf == NULL) { |
03274c9c | 1143 | syslog(LOG_ERR, "%s: %m", __func__); |
66ca918f | 1144 | free(p); |
78369646 RM |
1145 | return -1; |
1146 | } | |
fa245a4d | 1147 | ifo->config = nconf; |
34457fe6 RM |
1148 | ifo->config[dl] = p; |
1149 | ifo->config[dl + 1] = NULL; | |
91a44b91 RM |
1150 | } |
1151 | break; | |
bf80d526 | 1152 | case 'W': |
03274c9c | 1153 | if (parse_addr(&addr, &addr2, arg) != 0) |
bf80d526 RM |
1154 | return -1; |
1155 | if (strchr(arg, '/') == NULL) | |
1156 | addr2.s_addr = INADDR_BROADCAST; | |
fa245a4d | 1157 | naddr = realloc(ifo->whitelist, |
bf80d526 | 1158 | sizeof(in_addr_t) * (ifo->whitelist_len + 2)); |
fa245a4d | 1159 | if (naddr == NULL) { |
03274c9c | 1160 | syslog(LOG_ERR, "%s: %m", __func__); |
fa245a4d RM |
1161 | return -1; |
1162 | } | |
1163 | ifo->whitelist = naddr; | |
bf80d526 RM |
1164 | ifo->whitelist[ifo->whitelist_len++] = addr.s_addr; |
1165 | ifo->whitelist[ifo->whitelist_len++] = addr2.s_addr; | |
1166 | break; | |
fd05b7dc | 1167 | case 'X': |
03274c9c | 1168 | if (parse_addr(&addr, &addr2, arg) != 0) |
fd05b7dc | 1169 | return -1; |
ce6b39df RM |
1170 | if (strchr(arg, '/') == NULL) |
1171 | addr2.s_addr = INADDR_BROADCAST; | |
fa245a4d | 1172 | naddr = realloc(ifo->blacklist, |
e095a6eb | 1173 | sizeof(in_addr_t) * (ifo->blacklist_len + 2)); |
fa245a4d | 1174 | if (naddr == NULL) { |
03274c9c | 1175 | syslog(LOG_ERR, "%s: %m", __func__); |
fa245a4d RM |
1176 | return -1; |
1177 | } | |
1178 | ifo->blacklist = naddr; | |
e095a6eb RM |
1179 | ifo->blacklist[ifo->blacklist_len++] = addr.s_addr; |
1180 | ifo->blacklist[ifo->blacklist_len++] = addr2.s_addr; | |
fd05b7dc | 1181 | break; |
d3088c74 | 1182 | case 'Z': |
6bcb242d | 1183 | ARG_REQUIRED; |
4eb7b489 | 1184 | if (ifname == NULL) |
03274c9c | 1185 | ctx->ifdv = splitv(&ctx->ifdc, ctx->ifdv, arg); |
d3088c74 | 1186 | break; |
df574999 RM |
1187 | case '1': |
1188 | ifo->options |= DHCPCD_ONESHOT; | |
1189 | break; | |
d7555c12 | 1190 | case '4': |
2f0addfd | 1191 | ifo->options &= ~DHCPCD_IPV6; |
d7555c12 RM |
1192 | ifo->options |= DHCPCD_IPV4; |
1193 | break; | |
1194 | case '6': | |
1195 | ifo->options &= ~DHCPCD_IPV4; | |
2f0addfd | 1196 | ifo->options |= DHCPCD_IPV6; |
d7555c12 | 1197 | break; |
94bec972 RM |
1198 | case O_IPV4: |
1199 | ifo->options |= DHCPCD_IPV4; | |
1200 | break; | |
bb8051bf RM |
1201 | case O_NOIPV4: |
1202 | ifo->options &= ~DHCPCD_IPV4; | |
1203 | break; | |
94bec972 RM |
1204 | case O_IPV6: |
1205 | ifo->options |= DHCPCD_IPV6; | |
1206 | break; | |
bb8051bf RM |
1207 | case O_NOIPV6: |
1208 | ifo->options &= ~DHCPCD_IPV6; | |
1209 | break; | |
aae24feb | 1210 | #ifdef INET |
4ca7460f | 1211 | case O_ARPING: |
79f1f126 | 1212 | while (arg != NULL) { |
48ac077b RM |
1213 | fp = strwhite(arg); |
1214 | if (fp) | |
1215 | *fp++ = '\0'; | |
03274c9c | 1216 | if (parse_addr(&addr, NULL, arg) != 0) |
48ac077b RM |
1217 | return -1; |
1218 | naddr = realloc(ifo->arping, | |
9239add4 | 1219 | sizeof(in_addr_t) * ((size_t)ifo->arping_len + 1)); |
48ac077b | 1220 | if (naddr == NULL) { |
03274c9c | 1221 | syslog(LOG_ERR, "%s: %m", __func__); |
48ac077b RM |
1222 | return -1; |
1223 | } | |
1224 | ifo->arping = naddr; | |
1225 | ifo->arping[ifo->arping_len++] = addr.s_addr; | |
4dd50184 | 1226 | arg = strskipwhite(fp); |
fa245a4d | 1227 | } |
4ca7460f | 1228 | break; |
41c60e02 | 1229 | case O_DESTINATION: |
6bcb242d | 1230 | ARG_REQUIRED; |
49b749f0 | 1231 | arg = set_option_space(ctx, arg, &d, &dl, &od, &odl, ifo, |
85bff648 | 1232 | &request, &require, &no, &reject); |
49b749f0 RM |
1233 | if (make_option_mask(d, dl, od, odl, |
1234 | ifo->dstmask, arg, 2) != 0) | |
1235 | { | |
41c60e02 | 1236 | if (errno == EINVAL) |
03274c9c | 1237 | syslog(LOG_ERR, "option `%s' does not take" |
41c60e02 RM |
1238 | " an IPv4 address", arg); |
1239 | else | |
03274c9c | 1240 | syslog(LOG_ERR, "unknown option `%s'", arg); |
41c60e02 RM |
1241 | return -1; |
1242 | } | |
1243 | break; | |
ff021b0b | 1244 | case O_FALLBACK: |
6bcb242d | 1245 | ARG_REQUIRED; |
ff021b0b | 1246 | free(ifo->fallback); |
78369646 RM |
1247 | ifo->fallback = strdup(arg); |
1248 | if (ifo->fallback == NULL) { | |
03274c9c | 1249 | syslog(LOG_ERR, "%s: %m", __func__); |
00ababe4 | 1250 | return -1; |
78369646 | 1251 | } |
ff021b0b | 1252 | break; |
aae24feb | 1253 | #endif |
ebc9d360 | 1254 | case O_IAID: |
6bcb242d | 1255 | ARG_REQUIRED; |
9ff636a5 | 1256 | if (ifname == NULL) { |
03274c9c | 1257 | syslog(LOG_ERR, |
9ff636a5 RM |
1258 | "IAID must belong in an interface block"); |
1259 | return -1; | |
1260 | } | |
069e2f28 | 1261 | if (parse_iaid(ifo->iaid, arg, sizeof(ifo->iaid)) == -1) { |
03274c9c | 1262 | syslog(LOG_ERR, "invalid IAID %s", arg); |
ebc9d360 | 1263 | return -1; |
069e2f28 | 1264 | } |
ebc9d360 | 1265 | ifo->options |= DHCPCD_IAID; |
563a421c | 1266 | break; |
eebe9a18 RM |
1267 | case O_IPV6RS: |
1268 | ifo->options |= DHCPCD_IPV6RS; | |
1269 | break; | |
91cd7324 | 1270 | case O_NOIPV6RS: |
61dd6cf9 RM |
1271 | ifo->options &= ~DHCPCD_IPV6RS; |
1272 | break; | |
eebe9a18 | 1273 | case O_IPV6RA_FORK: |
61dd6cf9 | 1274 | ifo->options &= ~DHCPCD_IPV6RA_REQRDNSS; |
91cd7324 | 1275 | break; |
62f12387 RM |
1276 | case O_IPV6RA_AUTOCONF: |
1277 | ifo->options |= DHCPCD_IPV6RA_AUTOCONF; | |
1278 | break; | |
1279 | case O_IPV6RA_NOAUTOCONF: | |
1280 | ifo->options &= ~DHCPCD_IPV6RA_AUTOCONF; | |
1281 | break; | |
7dab081f RM |
1282 | case O_NOALIAS: |
1283 | ifo->options |= DHCPCD_NOALIAS; | |
1284 | break; | |
bd762353 | 1285 | #ifdef DHCP6 |
00ababe4 RM |
1286 | case O_IA_NA: |
1287 | i = D6_OPTION_IA_NA; | |
1288 | /* FALLTHROUGH */ | |
1289 | case O_IA_TA: | |
1290 | if (i == 0) | |
1291 | i = D6_OPTION_IA_TA; | |
1292 | /* FALLTHROUGH */ | |
1293 | case O_IA_PD: | |
9ff636a5 RM |
1294 | if (i == 0) { |
1295 | if (ifname == NULL) { | |
03274c9c | 1296 | syslog(LOG_ERR, |
9ff636a5 RM |
1297 | "IA PD must belong in an interface block"); |
1298 | return -1; | |
1299 | } | |
00ababe4 | 1300 | i = D6_OPTION_IA_PD; |
9ff636a5 | 1301 | } |
b0ca9ae9 | 1302 | if (ifname == NULL && arg) { |
03274c9c | 1303 | syslog(LOG_ERR, |
9ff636a5 RM |
1304 | "IA with IAID must belong in an interface block"); |
1305 | return -1; | |
1306 | } | |
00ababe4 | 1307 | ifo->options |= DHCPCD_IA_FORCED; |
52bcdc34 RM |
1308 | fp = strwhite(arg); |
1309 | if (fp) { | |
1310 | *fp++ = '\0'; | |
1311 | fp = strskipwhite(fp); | |
1312 | } | |
b0ca9ae9 | 1313 | if (arg) { |
b0ca9ae9 RM |
1314 | p = strchr(arg, '/'); |
1315 | if (p) | |
1316 | *p++ = '\0'; | |
069e2f28 | 1317 | if (parse_iaid(iaid, arg, sizeof(iaid)) == -1) { |
03274c9c | 1318 | syslog(LOG_ERR, "invalid IAID: %s", arg); |
b0ca9ae9 | 1319 | return -1; |
069e2f28 | 1320 | } |
52bcdc34 | 1321 | } |
ebc9d360 RM |
1322 | ia = NULL; |
1323 | for (sl = 0; sl < ifo->ia_len; sl++) { | |
52bcdc34 | 1324 | if ((arg == NULL && !ifo->ia[sl].iaid_set) || |
ee184a69 | 1325 | (arg != NULL && ifo->ia[sl].iaid_set && |
8371b540 | 1326 | ifo->ia[sl].iaid[0] == iaid[0] && |
ebc9d360 RM |
1327 | ifo->ia[sl].iaid[1] == iaid[1] && |
1328 | ifo->ia[sl].iaid[2] == iaid[2] && | |
b0ca9ae9 | 1329 | ifo->ia[sl].iaid[3] == iaid[3])) |
00ababe4 | 1330 | { |
ebc9d360 | 1331 | ia = &ifo->ia[sl]; |
00ababe4 RM |
1332 | break; |
1333 | } | |
1334 | } | |
b0ca9ae9 | 1335 | if (ia && ia->ia_type != (uint16_t)i) { |
03274c9c | 1336 | syslog(LOG_ERR, "Cannot mix IA for the same IAID"); |
b0ca9ae9 RM |
1337 | break; |
1338 | } | |
ebc9d360 RM |
1339 | if (ia == NULL) { |
1340 | ia = realloc(ifo->ia, | |
1341 | sizeof(*ifo->ia) * (ifo->ia_len + 1)); | |
1342 | if (ia == NULL) { | |
03274c9c | 1343 | syslog(LOG_ERR, "%s: %m", __func__); |
00ababe4 RM |
1344 | return -1; |
1345 | } | |
ebc9d360 RM |
1346 | ifo->ia = ia; |
1347 | ia = &ifo->ia[ifo->ia_len++]; | |
b0ca9ae9 | 1348 | ia->ia_type = (uint16_t)i; |
52bcdc34 | 1349 | if (arg) { |
b0ca9ae9 RM |
1350 | ia->iaid[0] = iaid[0]; |
1351 | ia->iaid[1] = iaid[1]; | |
1352 | ia->iaid[2] = iaid[2]; | |
1353 | ia->iaid[3] = iaid[3]; | |
1354 | ia->iaid_set = 1; | |
1355 | } else | |
1356 | ia->iaid_set = 0; | |
1357 | if (!ia->iaid_set || | |
1358 | p == NULL || | |
1359 | ia->ia_type == D6_OPTION_IA_TA) | |
1360 | { | |
4f94ed51 RM |
1361 | memset(&ia->addr, 0, sizeof(ia->addr)); |
1362 | ia->prefix_len = 0; | |
1363 | } else { | |
1364 | arg = p; | |
1365 | p = strchr(arg, '/'); | |
1366 | if (p) | |
1367 | *p++ = '\0'; | |
1368 | if (inet_pton(AF_INET6, arg, &ia->addr) == -1) { | |
03274c9c | 1369 | syslog(LOG_ERR, "%s: %m", arg); |
4f94ed51 RM |
1370 | memset(&ia->addr, 0, sizeof(ia->addr)); |
1371 | } | |
b0ca9ae9 | 1372 | if (p && ia->ia_type == D6_OPTION_IA_PD) { |
40095c80 RM |
1373 | ia->prefix_len = (uint8_t)strtou(p, |
1374 | NULL, 0, 8, 120, &e); | |
f94b4eab | 1375 | if (e) { |
03274c9c | 1376 | syslog(LOG_ERR, |
f94b4eab RM |
1377 | "%s: failed to convert" |
1378 | " prefix len", | |
1379 | p); | |
4f94ed51 | 1380 | ia->prefix_len = 0; |
40095c80 | 1381 | } |
4f94ed51 RM |
1382 | } |
1383 | } | |
e69793ff | 1384 | ia->sla_max = 0; |
ebc9d360 | 1385 | ia->sla_len = 0; |
4f94ed51 | 1386 | ia->sla = NULL; |
00ababe4 | 1387 | } |
b0ca9ae9 | 1388 | if (ia->ia_type != D6_OPTION_IA_PD) |
7cece083 | 1389 | break; |
00ababe4 | 1390 | for (p = fp; p; p = fp) { |
1cd05a96 RM |
1391 | fp = strwhite(p); |
1392 | if (fp) { | |
00ababe4 | 1393 | *fp++ = '\0'; |
1cd05a96 RM |
1394 | fp = strskipwhite(fp); |
1395 | } | |
ebc9d360 RM |
1396 | sla = realloc(ia->sla, |
1397 | sizeof(*ia->sla) * (ia->sla_len + 1)); | |
00ababe4 | 1398 | if (sla == NULL) { |
03274c9c | 1399 | syslog(LOG_ERR, "%s: %m", __func__); |
00ababe4 RM |
1400 | return -1; |
1401 | } | |
ebc9d360 RM |
1402 | ia->sla = sla; |
1403 | sla = &ia->sla[ia->sla_len++]; | |
00ababe4 RM |
1404 | np = strchr(p, '/'); |
1405 | if (np) | |
1406 | *np++ = '\0'; | |
00ababe4 RM |
1407 | if (strlcpy(sla->ifname, p, |
1408 | sizeof(sla->ifname)) >= sizeof(sla->ifname)) | |
1409 | { | |
03274c9c RM |
1410 | syslog(LOG_ERR, |
1411 | "%s: interface name too long", arg); | |
94a79cea | 1412 | goto err_sla; |
00ababe4 | 1413 | } |
fda2c663 RM |
1414 | sla->sla_set = 0; |
1415 | sla->prefix_len = 0; | |
1416 | sla->suffix = 1; | |
00ababe4 | 1417 | p = np; |
367f7b11 RM |
1418 | if (p) { |
1419 | np = strchr(p, '/'); | |
1420 | if (np) | |
1421 | *np++ = '\0'; | |
fda2c663 | 1422 | if (*p != '\0') { |
f94b4eab RM |
1423 | sla->sla = (uint32_t)strtou(p, NULL, |
1424 | 0, 0, UINT32_MAX, &e); | |
1425 | sla->sla_set = 1; | |
1426 | if (e) { | |
03274c9c | 1427 | syslog(LOG_ERR, |
f94b4eab RM |
1428 | "%s: failed to convert sla", |
1429 | ifname); | |
34457fe6 | 1430 | goto err_sla; |
f94b4eab | 1431 | } |
83919266 | 1432 | } |
fda2c663 RM |
1433 | p = np; |
1434 | } | |
1435 | if (p) { | |
1436 | np = strchr(p, '/'); | |
1437 | if (np) | |
1438 | *np++ = '\0'; | |
1439 | if (*p != '\0') { | |
55793e6a | 1440 | sla->prefix_len = (uint8_t)strtou(p, |
fda2c663 | 1441 | NULL, 0, 0, 120, &e); |
f94b4eab | 1442 | if (e) { |
03274c9c | 1443 | syslog(LOG_ERR, |
fda2c663 | 1444 | "%s: failed to " |
f94b4eab RM |
1445 | "convert prefix len", |
1446 | ifname); | |
94a79cea | 1447 | goto err_sla; |
f94b4eab | 1448 | } |
fda2c663 RM |
1449 | } |
1450 | p = np; | |
1451 | } | |
1452 | if (p) { | |
1453 | np = strchr(p, '/'); | |
1454 | if (np) | |
1455 | *np = '\0'; | |
1456 | if (*p != '\0') { | |
1457 | sla->suffix = (uint64_t)strtou(p, NULL, | |
1458 | 0, 0, UINT64_MAX, &e); | |
1459 | if (e) { | |
03274c9c | 1460 | syslog(LOG_ERR, |
fda2c663 RM |
1461 | "%s: failed to " |
1462 | "convert suffix", | |
1463 | ifname); | |
1464 | goto err_sla; | |
1465 | } | |
1466 | } | |
e69793ff RM |
1467 | } |
1468 | /* Sanity check */ | |
1469 | for (sl = 0; sl < ia->sla_len - 1; sl++) { | |
1470 | slap = &ia->sla[sl]; | |
a268d0e4 | 1471 | if (slap->sla_set != sla->sla_set) { |
03274c9c | 1472 | syslog(LOG_ERR, |
e69793ff RM |
1473 | "%s: cannot mix automatic " |
1474 | "and fixed SLA", | |
1475 | sla->ifname); | |
1476 | goto err_sla; | |
1477 | } | |
857a98fc RM |
1478 | if (ia->prefix_len && |
1479 | (sla->prefix_len == ia->prefix_len || | |
1480 | slap->prefix_len == ia->prefix_len)) | |
1481 | { | |
03274c9c | 1482 | syslog(LOG_ERR, |
857a98fc RM |
1483 | "%s: cannot delegte the same" |
1484 | "prefix length more than once", | |
1485 | sla->ifname); | |
1486 | goto err_sla; | |
1487 | } | |
e69793ff RM |
1488 | if (sla->sla_set == 0 && |
1489 | strcmp(slap->ifname, sla->ifname) == 0) | |
1490 | { | |
03274c9c | 1491 | syslog(LOG_WARNING, |
e69793ff RM |
1492 | "%s: cannot specify the " |
1493 | "same interface twice with " | |
1494 | "an automatic SLA", | |
1495 | sla->ifname); | |
1496 | goto err_sla; | |
5985c4e2 | 1497 | } |
663d44bf RM |
1498 | if (slap->sla_set && sla->sla_set && |
1499 | slap->sla == sla->sla) | |
b1582682 | 1500 | { |
03274c9c | 1501 | syslog(LOG_ERR, "%s: cannot" |
663d44bf RM |
1502 | " assign the same SLA %u" |
1503 | " more than once", | |
1504 | sla->ifname, sla->sla); | |
a268d0e4 RM |
1505 | goto err_sla; |
1506 | } | |
367f7b11 | 1507 | } |
e69793ff RM |
1508 | if (sla->sla_set && sla->sla > ia->sla_max) |
1509 | ia->sla_max = sla->sla; | |
00ababe4 | 1510 | } |
ebc9d360 | 1511 | break; |
94a79cea RM |
1512 | err_sla: |
1513 | ia->sla_len--; | |
1514 | return -1; | |
1515 | #endif | |
d6a18654 | 1516 | case O_HOSTNAME_SHORT: |
9c54b11b | 1517 | ifo->options |= DHCPCD_HOSTNAME | DHCPCD_HOSTNAME_SHORT; |
d6a18654 | 1518 | break; |
413652c1 | 1519 | case O_DEV: |
6bcb242d | 1520 | ARG_REQUIRED; |
4eb7b489 RM |
1521 | #ifdef PLUGIN_DEV |
1522 | if (ctx->dev_load) | |
1523 | free(ctx->dev_load); | |
1524 | ctx->dev_load = strdup(arg); | |
1525 | #endif | |
413652c1 RM |
1526 | break; |
1527 | case O_NODEV: | |
1528 | ifo->options &= ~DHCPCD_DEV; | |
1529 | break; | |
8e7d8c37 RM |
1530 | case O_DEFINE: |
1531 | dop = &ifo->dhcp_override; | |
1532 | dop_len = &ifo->dhcp_override_len; | |
1533 | /* FALLTHROUGH */ | |
2be15e88 RM |
1534 | case O_DEFINEND: |
1535 | if (dop == NULL) { | |
1536 | dop = &ifo->nd_override; | |
1537 | dop_len = &ifo->nd_override_len; | |
1538 | } | |
1539 | /* FALLTHROUGH */ | |
8e7d8c37 RM |
1540 | case O_DEFINE6: |
1541 | if (dop == NULL) { | |
1542 | dop = &ifo->dhcp6_override; | |
1543 | dop_len = &ifo->dhcp6_override_len; | |
1544 | } | |
7a911e57 RM |
1545 | /* FALLTHROUGH */ |
1546 | case O_VENDOPT: | |
1547 | if (dop == NULL) { | |
1548 | dop = &ifo->vivso_override; | |
1549 | dop_len = &ifo->vivso_override_len; | |
1550 | } | |
4eb7b489 | 1551 | *edop = *ldop = NULL; |
8e7d8c37 RM |
1552 | /* FALLTHROUGH */ |
1553 | case O_EMBED: | |
1554 | if (dop == NULL) { | |
4eb7b489 RM |
1555 | if (*edop) { |
1556 | dop = &(*edop)->embopts; | |
1557 | dop_len = &(*edop)->embopts_len; | |
03476881 | 1558 | } else if (ldop) { |
4eb7b489 RM |
1559 | dop = &(*ldop)->embopts; |
1560 | dop_len = &(*ldop)->embopts_len; | |
03476881 | 1561 | } else { |
03274c9c | 1562 | syslog(LOG_ERR, |
03476881 | 1563 | "embed must be after a define or encap"); |
8e7d8c37 RM |
1564 | return -1; |
1565 | } | |
8e7d8c37 | 1566 | } |
03476881 | 1567 | /* FALLTHROUGH */ |
8e7d8c37 | 1568 | case O_ENCAP: |
6bcb242d | 1569 | ARG_REQUIRED; |
8e7d8c37 | 1570 | if (dop == NULL) { |
4eb7b489 | 1571 | if (*ldop == NULL) { |
03274c9c | 1572 | syslog(LOG_ERR, "encap must be after a define"); |
8e7d8c37 RM |
1573 | return -1; |
1574 | } | |
4eb7b489 RM |
1575 | dop = &(*ldop)->encopts; |
1576 | dop_len = &(*ldop)->encopts_len; | |
8e7d8c37 RM |
1577 | } |
1578 | ||
1579 | /* Shared code for define, define6, embed and encap */ | |
1580 | ||
1581 | /* code */ | |
1582 | if (opt == O_EMBED) /* Embedded options don't have codes */ | |
7a911e57 | 1583 | u = 0; |
8e7d8c37 | 1584 | else { |
1cd05a96 | 1585 | fp = strwhite(arg); |
4dd50184 | 1586 | if (fp == NULL) { |
03274c9c | 1587 | syslog(LOG_ERR, "invalid syntax: %s", arg); |
8e7d8c37 RM |
1588 | return -1; |
1589 | } | |
1590 | *fp++ = '\0'; | |
6dff2cb3 | 1591 | u = (uint32_t)strtou(arg, NULL, 0, 0, UINT32_MAX, &e); |
f94b4eab | 1592 | if (e) { |
03274c9c | 1593 | syslog(LOG_ERR, "invalid code: %s", arg); |
8e7d8c37 | 1594 | return -1; |
7a911e57 | 1595 | } |
1cd05a96 | 1596 | arg = strskipwhite(fp); |
4dd50184 | 1597 | if (arg == NULL) { |
03274c9c | 1598 | syslog(LOG_ERR, "invalid syntax"); |
4dd50184 RM |
1599 | return -1; |
1600 | } | |
8e7d8c37 RM |
1601 | } |
1602 | /* type */ | |
1cd05a96 | 1603 | fp = strwhite(arg); |
ab371aa6 | 1604 | if (fp) |
1cd05a96 | 1605 | *fp++ = '\0'; |
b21cd906 RM |
1606 | np = strchr(arg, ':'); |
1607 | /* length */ | |
1608 | if (np) { | |
1609 | *np++ = '\0'; | |
cc71162d | 1610 | bp = NULL; /* No bitflag */ |
f94b4eab RM |
1611 | l = (long)strtou(np, NULL, 0, 0, LONG_MAX, &e); |
1612 | if (e) { | |
03274c9c | 1613 | syslog(LOG_ERR, "failed to convert length"); |
b21cd906 | 1614 | return -1; |
f94b4eab | 1615 | } |
cc71162d | 1616 | } else { |
b21cd906 | 1617 | l = 0; |
cc71162d RM |
1618 | bp = strchr(arg, '='); /* bitflag assignment */ |
1619 | if (bp) | |
1620 | *bp++ = '\0'; | |
1621 | } | |
1cd05a96 RM |
1622 | t = 0; |
1623 | if (strcasecmp(arg, "request") == 0) { | |
41eefe94 | 1624 | t |= OT_REQUEST; |
1cd05a96 RM |
1625 | arg = strskipwhite(fp); |
1626 | fp = strwhite(arg); | |
1627 | if (fp == NULL) { | |
03274c9c | 1628 | syslog(LOG_ERR, "incomplete request type"); |
1cd05a96 RM |
1629 | return -1; |
1630 | } | |
1631 | *fp++ = '\0'; | |
1632 | } else if (strcasecmp(arg, "norequest") == 0) { | |
41eefe94 | 1633 | t |= OT_NOREQ; |
1cd05a96 RM |
1634 | arg = strskipwhite(fp); |
1635 | fp = strwhite(arg); | |
1636 | if (fp == NULL) { | |
03274c9c | 1637 | syslog(LOG_ERR, "incomplete request type"); |
1cd05a96 RM |
1638 | return -1; |
1639 | } | |
8e7d8c37 | 1640 | *fp++ = '\0'; |
1cd05a96 | 1641 | } |
ecdbb919 | 1642 | if (strcasecmp(arg, "optional") == 0) { |
41eefe94 | 1643 | t |= OT_OPTIONAL; |
ecdbb919 RM |
1644 | arg = strskipwhite(fp); |
1645 | fp = strwhite(arg); | |
1646 | if (fp == NULL) { | |
03274c9c | 1647 | syslog(LOG_ERR, "incomplete optional type"); |
ecdbb919 RM |
1648 | return -1; |
1649 | } | |
1650 | *fp++ = '\0'; | |
1651 | } | |
03476881 | 1652 | if (strcasecmp(arg, "index") == 0) { |
41eefe94 | 1653 | t |= OT_INDEX; |
03476881 RM |
1654 | arg = strskipwhite(fp); |
1655 | fp = strwhite(arg); | |
1656 | if (fp == NULL) { | |
03274c9c | 1657 | syslog(LOG_ERR, "incomplete index type"); |
03476881 RM |
1658 | return -1; |
1659 | } | |
1660 | *fp++ = '\0'; | |
1661 | } | |
1cd05a96 | 1662 | if (strcasecmp(arg, "array") == 0) { |
41eefe94 | 1663 | t |= OT_ARRAY; |
1cd05a96 RM |
1664 | arg = strskipwhite(fp); |
1665 | fp = strwhite(arg); | |
1666 | if (fp == NULL) { | |
03274c9c | 1667 | syslog(LOG_ERR, "incomplete array type"); |
1cd05a96 RM |
1668 | return -1; |
1669 | } | |
1670 | *fp++ = '\0'; | |
1671 | } | |
8e7d8c37 | 1672 | if (strcasecmp(arg, "ipaddress") == 0) |
41eefe94 | 1673 | t |= OT_ADDRIPV4; |
8e7d8c37 | 1674 | else if (strcasecmp(arg, "ip6address") == 0) |
41eefe94 | 1675 | t |= OT_ADDRIPV6; |
8e7d8c37 | 1676 | else if (strcasecmp(arg, "string") == 0) |
41eefe94 | 1677 | t |= OT_STRING; |
8e7d8c37 | 1678 | else if (strcasecmp(arg, "byte") == 0) |
41eefe94 | 1679 | t |= OT_UINT8; |
cc71162d | 1680 | else if (strcasecmp(arg, "bitflags") == 0) |
41eefe94 | 1681 | t |= OT_BITFLAG; |
c960d1e6 | 1682 | else if (strcasecmp(arg, "uint8") == 0) |
41eefe94 | 1683 | t |= OT_UINT8; |
c960d1e6 | 1684 | else if (strcasecmp(arg, "int8") == 0) |
41eefe94 | 1685 | t |= OT_INT8; |
8e7d8c37 | 1686 | else if (strcasecmp(arg, "uint16") == 0) |
41eefe94 | 1687 | t |= OT_UINT16; |
8e7d8c37 | 1688 | else if (strcasecmp(arg, "int16") == 0) |
41eefe94 | 1689 | t |= OT_INT16; |
8e7d8c37 | 1690 | else if (strcasecmp(arg, "uint32") == 0) |
41eefe94 | 1691 | t |= OT_UINT32; |
8e7d8c37 | 1692 | else if (strcasecmp(arg, "int32") == 0) |
41eefe94 | 1693 | t |= OT_INT32; |
1cd05a96 | 1694 | else if (strcasecmp(arg, "flag") == 0) |
41eefe94 | 1695 | t |= OT_FLAG; |
8f008ca7 | 1696 | else if (strcasecmp(arg, "raw") == 0) |
41eefe94 | 1697 | t |= OT_STRING | OT_RAW; |
8f008ca7 | 1698 | else if (strcasecmp(arg, "ascii") == 0) |
41eefe94 | 1699 | t |= OT_STRING | OT_ASCII; |
8e7d8c37 | 1700 | else if (strcasecmp(arg, "domain") == 0) |
41eefe94 | 1701 | t |= OT_STRING | OT_DOMAIN | OT_RFC1035; |
8f008ca7 | 1702 | else if (strcasecmp(arg, "dname") == 0) |
41eefe94 | 1703 | t |= OT_STRING | OT_DOMAIN; |
8e7d8c37 | 1704 | else if (strcasecmp(arg, "binhex") == 0) |
41eefe94 | 1705 | t |= OT_STRING | OT_BINHEX; |
8e7d8c37 | 1706 | else if (strcasecmp(arg, "embed") == 0) |
41eefe94 | 1707 | t |= OT_EMBED; |
8e7d8c37 | 1708 | else if (strcasecmp(arg, "encap") == 0) |
41eefe94 | 1709 | t |= OT_ENCAP; |
1cd05a96 | 1710 | else if (strcasecmp(arg, "rfc3361") ==0) |
41eefe94 | 1711 | t |= OT_STRING | OT_RFC3361; |
dfee59d2 | 1712 | else if (strcasecmp(arg, "rfc3442") ==0) |
41eefe94 | 1713 | t |= OT_STRING | OT_RFC3442; |
03476881 | 1714 | else if (strcasecmp(arg, "option") == 0) |
41eefe94 | 1715 | t |= OT_OPTION; |
8e7d8c37 | 1716 | else { |
03274c9c | 1717 | syslog(LOG_ERR, "unknown type: %s", arg); |
8e7d8c37 RM |
1718 | return -1; |
1719 | } | |
41eefe94 | 1720 | if (l && !(t & (OT_STRING | OT_BINHEX))) { |
03274c9c | 1721 | syslog(LOG_WARNING, |
b21cd906 RM |
1722 | "ignoring length for type `%s'", arg); |
1723 | l = 0; | |
1724 | } | |
41eefe94 RM |
1725 | if (t & OT_ARRAY && t & (OT_STRING | OT_BINHEX) && |
1726 | !(t & (OT_RFC1035 | OT_DOMAIN))) | |
8f008ca7 | 1727 | { |
03274c9c | 1728 | syslog(LOG_WARNING, "ignoring array for strings"); |
41eefe94 | 1729 | t &= ~OT_ARRAY; |
63bdd2c2 | 1730 | } |
41eefe94 | 1731 | if (t & OT_BITFLAG) { |
cc71162d | 1732 | if (bp == NULL) |
03274c9c | 1733 | syslog(LOG_WARNING, |
cc71162d RM |
1734 | "missing bitflag assignment"); |
1735 | } | |
8e7d8c37 | 1736 | /* variable */ |
d9fbb118 | 1737 | if (!fp) { |
41eefe94 | 1738 | if (!(t & OT_OPTION)) { |
03274c9c | 1739 | syslog(LOG_ERR, |
03476881 RM |
1740 | "type %s requires a variable name", arg); |
1741 | return -1; | |
1742 | } | |
1743 | np = NULL; | |
1744 | } else { | |
1745 | arg = strskipwhite(fp); | |
1746 | fp = strwhite(arg); | |
1747 | if (fp) | |
1748 | *fp++ = '\0'; | |
cc71162d RM |
1749 | if (strcasecmp(arg, "reserved")) { |
1750 | np = strdup(arg); | |
1751 | if (np == NULL) { | |
03274c9c | 1752 | syslog(LOG_ERR, "%s: %m", __func__); |
cc71162d RM |
1753 | return -1; |
1754 | } | |
1755 | } else { | |
1756 | np = NULL; | |
41eefe94 | 1757 | t |= OT_RESERVED; |
03476881 | 1758 | } |
8e7d8c37 | 1759 | } |
6714b786 | 1760 | if (opt != O_EMBED) { |
f132acc3 RM |
1761 | for (dl = 0, ndop = *dop; dl < *dop_len; dl++, ndop++) |
1762 | { | |
1cd05a96 RM |
1763 | /* type 0 seems freshly malloced struct |
1764 | * for us to use */ | |
7a911e57 | 1765 | if (ndop->option == u || ndop->type == 0) |
8e7d8c37 RM |
1766 | break; |
1767 | } | |
f132acc3 RM |
1768 | if (dl == *dop_len) |
1769 | ndop = NULL; | |
1770 | } else | |
1771 | ndop = NULL; | |
6714b786 | 1772 | if (ndop == NULL) { |
8e7d8c37 | 1773 | if ((ndop = realloc(*dop, |
f132acc3 RM |
1774 | sizeof(**dop) * ((*dop_len) + 1))) == NULL) |
1775 | { | |
03274c9c | 1776 | syslog(LOG_ERR, "%s: %m", __func__); |
8fc52ced | 1777 | free(np); |
8e7d8c37 RM |
1778 | return -1; |
1779 | } | |
1780 | *dop = ndop; | |
1781 | ndop = &(*dop)[(*dop_len)++]; | |
8e7d8c37 RM |
1782 | ndop->embopts = NULL; |
1783 | ndop->embopts_len = 0; | |
1784 | ndop->encopts = NULL; | |
1785 | ndop->encopts_len = 0; | |
1786 | } else | |
1787 | free_dhcp_opt_embenc(ndop); | |
76bb4d03 | 1788 | ndop->option = (uint32_t)u; /* could have been 0 */ |
8e7d8c37 | 1789 | ndop->type = t; |
34457fe6 | 1790 | ndop->len = (size_t)l; |
bc22d277 | 1791 | ndop->var = np; |
cc71162d RM |
1792 | if (bp) { |
1793 | dl = strlen(bp); | |
1794 | memcpy(ndop->bitflags, bp, dl); | |
1795 | memset(ndop->bitflags + dl, 0, | |
1796 | sizeof(ndop->bitflags) - dl); | |
1797 | } else | |
1798 | memset(ndop->bitflags, 0, sizeof(ndop->bitflags)); | |
8e7d8c37 | 1799 | /* Save the define for embed and encap options */ |
2be15e88 RM |
1800 | switch (opt) { |
1801 | case O_DEFINE: | |
1802 | case O_DEFINEND: | |
1803 | case O_DEFINE6: | |
1804 | case O_VENDOPT: | |
4eb7b489 | 1805 | *ldop = ndop; |
2be15e88 RM |
1806 | break; |
1807 | case O_ENCAP: | |
4eb7b489 | 1808 | *edop = ndop; |
2be15e88 RM |
1809 | break; |
1810 | } | |
8e7d8c37 | 1811 | break; |
7a911e57 | 1812 | case O_VENDCLASS: |
6bcb242d | 1813 | ARG_REQUIRED; |
7a911e57 RM |
1814 | fp = strwhite(arg); |
1815 | if (fp) | |
1816 | *fp++ = '\0'; | |
f94b4eab RM |
1817 | u = (uint32_t)strtou(arg, NULL, 0, 0, UINT32_MAX, &e); |
1818 | if (e) { | |
03274c9c | 1819 | syslog(LOG_ERR, "invalid code: %s", arg); |
7a911e57 RM |
1820 | return -1; |
1821 | } | |
1822 | if (fp) { | |
1823 | s = parse_string(NULL, 0, fp); | |
1824 | if (s == -1) { | |
03274c9c | 1825 | syslog(LOG_ERR, "%s: %m", __func__); |
7a911e57 RM |
1826 | return -1; |
1827 | } | |
34457fe6 RM |
1828 | dl = (size_t)s; |
1829 | if (dl + (sizeof(uint16_t) * 2) > UINT16_MAX) { | |
03274c9c | 1830 | syslog(LOG_ERR, "vendor class is too big"); |
7a911e57 RM |
1831 | return -1; |
1832 | } | |
34457fe6 | 1833 | np = malloc(dl); |
7a911e57 | 1834 | if (np == NULL) { |
03274c9c | 1835 | syslog(LOG_ERR, "%s: %m", __func__); |
7a911e57 RM |
1836 | return -1; |
1837 | } | |
34457fe6 | 1838 | parse_string(np, dl, fp); |
7a911e57 | 1839 | } else { |
34457fe6 | 1840 | dl = 0; |
7a911e57 RM |
1841 | np = NULL; |
1842 | } | |
900b6f94 RM |
1843 | vivco = realloc(ifo->vivco, sizeof(*ifo->vivco) * |
1844 | (ifo->vivco_len + 1)); | |
7a911e57 | 1845 | if (vivco == NULL) { |
03274c9c | 1846 | syslog(LOG_ERR, "%s: %m", __func__); |
7a911e57 RM |
1847 | return -1; |
1848 | } | |
1849 | ifo->vivco = vivco; | |
76bb4d03 | 1850 | ifo->vivco_en = (uint32_t)u; |
7a911e57 | 1851 | vivco = &ifo->vivco[ifo->vivco_len++]; |
34457fe6 | 1852 | vivco->len = dl; |
7a911e57 RM |
1853 | vivco->data = (uint8_t *)np; |
1854 | break; | |
c73ed171 | 1855 | case O_AUTHPROTOCOL: |
6bcb242d | 1856 | ARG_REQUIRED; |
e5fc8ac4 | 1857 | #ifdef AUTH |
c73ed171 RM |
1858 | fp = strwhite(arg); |
1859 | if (fp) | |
1860 | *fp++ = '\0'; | |
1861 | if (strcasecmp(arg, "token") == 0) | |
1862 | ifo->auth.protocol = AUTH_PROTO_TOKEN; | |
1863 | else if (strcasecmp(arg, "delayed") == 0) | |
1864 | ifo->auth.protocol = AUTH_PROTO_DELAYED; | |
1865 | else if (strcasecmp(arg, "delayedrealm") == 0) | |
1866 | ifo->auth.protocol = AUTH_PROTO_DELAYEDREALM; | |
1867 | else { | |
03274c9c | 1868 | syslog(LOG_ERR, "%s: unsupported protocol", arg); |
c73ed171 RM |
1869 | return -1; |
1870 | } | |
1871 | arg = strskipwhite(fp); | |
1872 | fp = strwhite(arg); | |
1873 | if (arg == NULL) { | |
1874 | ifo->auth.options |= DHCPCD_AUTH_SEND; | |
c2603990 RM |
1875 | if (ifo->auth.protocol == AUTH_PROTO_TOKEN) |
1876 | ifo->auth.protocol = AUTH_ALG_NONE; | |
1877 | else | |
1878 | ifo->auth.algorithm = AUTH_ALG_HMAC_MD5; | |
c73ed171 RM |
1879 | ifo->auth.rdm = AUTH_RDM_MONOTONIC; |
1880 | break; | |
1881 | } | |
1882 | if (fp) | |
1883 | *fp++ = '\0'; | |
1884 | if (strcasecmp(arg, "hmacmd5") == 0 || | |
1885 | strcasecmp(arg, "hmac-md5") == 0) | |
1886 | ifo->auth.algorithm = AUTH_ALG_HMAC_MD5; | |
1887 | else { | |
03274c9c | 1888 | syslog(LOG_ERR, "%s: unsupported algorithm", arg); |
c73ed171 RM |
1889 | return 1; |
1890 | } | |
1891 | arg = fp; | |
1892 | if (arg == NULL) { | |
1893 | ifo->auth.options |= DHCPCD_AUTH_SEND; | |
1894 | ifo->auth.rdm = AUTH_RDM_MONOTONIC; | |
1895 | break; | |
1896 | } | |
cf0840ef RM |
1897 | if (strcasecmp(arg, "monocounter") == 0) { |
1898 | ifo->auth.rdm = AUTH_RDM_MONOTONIC; | |
1899 | ifo->auth.options |= DHCPCD_AUTH_RDM_COUNTER; | |
1900 | } else if (strcasecmp(arg, "monotonic") ==0 || | |
1901 | strcasecmp(arg, "monotime") == 0) | |
c73ed171 RM |
1902 | ifo->auth.rdm = AUTH_RDM_MONOTONIC; |
1903 | else { | |
03274c9c | 1904 | syslog(LOG_ERR, "%s: unsupported RDM", arg); |
c73ed171 RM |
1905 | return -1; |
1906 | } | |
35fef8ed | 1907 | ifo->auth.options |= DHCPCD_AUTH_SEND; |
c73ed171 | 1908 | break; |
e5fc8ac4 | 1909 | #else |
03274c9c | 1910 | syslog(LOG_ERR, "no authentication support"); |
e5fc8ac4 RM |
1911 | return -1; |
1912 | #endif | |
c73ed171 | 1913 | case O_AUTHTOKEN: |
6bcb242d | 1914 | ARG_REQUIRED; |
e5fc8ac4 | 1915 | #ifdef AUTH |
c73ed171 RM |
1916 | fp = strwhite(arg); |
1917 | if (fp == NULL) { | |
03274c9c | 1918 | syslog(LOG_ERR, "authtoken requires a realm"); |
c73ed171 RM |
1919 | return -1; |
1920 | } | |
1921 | *fp++ = '\0'; | |
1922 | token = malloc(sizeof(*token)); | |
1923 | if (token == NULL) { | |
03274c9c | 1924 | syslog(LOG_ERR, "%s: %m", __func__); |
a8c8e686 | 1925 | free(token); |
c73ed171 RM |
1926 | return -1; |
1927 | } | |
1928 | if (parse_uint32(&token->secretid, arg) == -1) { | |
03274c9c | 1929 | syslog(LOG_ERR, "%s: not a number", arg); |
c73ed171 RM |
1930 | free(token); |
1931 | return -1; | |
1932 | } | |
1933 | arg = fp; | |
1934 | fp = strend(arg); | |
1935 | if (fp == NULL) { | |
03274c9c | 1936 | syslog(LOG_ERR, "authtoken requies an a key"); |
c73ed171 RM |
1937 | free(token); |
1938 | return -1; | |
1939 | } | |
1940 | *fp++ = '\0'; | |
34457fe6 RM |
1941 | s = parse_string(NULL, 0, arg); |
1942 | if (s == -1) { | |
03274c9c | 1943 | syslog(LOG_ERR, "realm_len: %m"); |
a8c8e686 | 1944 | free(token); |
34457fe6 RM |
1945 | return -1; |
1946 | } | |
1947 | if (s) { | |
1948 | token->realm_len = (size_t)s; | |
c73ed171 RM |
1949 | token->realm = malloc(token->realm_len); |
1950 | if (token->realm == NULL) { | |
1951 | free(token); | |
03274c9c | 1952 | syslog(LOG_ERR, "%s: %m", __func__); |
c73ed171 RM |
1953 | return -1; |
1954 | } | |
1955 | parse_string((char *)token->realm, token->realm_len, | |
1956 | arg); | |
34457fe6 RM |
1957 | } else { |
1958 | token->realm_len = 0; | |
1959 | token->realm = NULL; | |
c73ed171 RM |
1960 | } |
1961 | arg = fp; | |
1962 | fp = strend(arg); | |
1963 | if (fp == NULL) { | |
03274c9c | 1964 | syslog(LOG_ERR, "authtoken requies an an expiry date"); |
c73ed171 RM |
1965 | free(token->realm); |
1966 | free(token); | |
1967 | return -1; | |
1968 | } | |
1969 | *fp++ = '\0'; | |
1970 | if (*arg == '"') { | |
1971 | arg++; | |
1972 | np = strchr(arg, '"'); | |
1973 | if (np) | |
1974 | *np = '\0'; | |
1975 | } | |
1976 | if (strcmp(arg, "0") == 0 || strcasecmp(arg, "forever") == 0) | |
1977 | token->expire =0; | |
1978 | else { | |
1979 | struct tm tm; | |
1980 | ||
1981 | memset(&tm, 0, sizeof(tm)); | |
1982 | if (strptime(arg, "%Y-%m-%d %H:%M", &tm) == NULL) { | |
03274c9c | 1983 | syslog(LOG_ERR, "%s: invalid date time", arg); |
c73ed171 RM |
1984 | free(token->realm); |
1985 | free(token); | |
1986 | return -1; | |
1987 | } | |
1988 | if ((token->expire = mktime(&tm)) == (time_t)-1) { | |
03274c9c | 1989 | syslog(LOG_ERR, "%s: mktime: %m", __func__); |
c73ed171 RM |
1990 | free(token->realm); |
1991 | free(token); | |
1992 | return -1; | |
1993 | } | |
1994 | } | |
1995 | arg = fp; | |
34457fe6 RM |
1996 | s = parse_string(NULL, 0, arg); |
1997 | if (s == -1 || s == 0) { | |
03274c9c | 1998 | syslog(LOG_ERR, s == -1 ? "token_len: %m" : |
34457fe6 | 1999 | "authtoken needs a key"); |
c73ed171 RM |
2000 | free(token->realm); |
2001 | free(token); | |
2002 | return -1; | |
2003 | } | |
34457fe6 | 2004 | token->key_len = (size_t)s; |
c73ed171 RM |
2005 | token->key = malloc(token->key_len); |
2006 | parse_string((char *)token->key, token->key_len, arg); | |
2007 | TAILQ_INSERT_TAIL(&ifo->auth.tokens, token, next); | |
e5fc8ac4 | 2008 | #else |
03274c9c | 2009 | syslog(LOG_ERR, "no authentication support"); |
e5fc8ac4 RM |
2010 | return -1; |
2011 | #endif | |
c73ed171 RM |
2012 | break; |
2013 | case O_AUTHNOTREQUIRED: | |
2014 | ifo->auth.options &= ~DHCPCD_AUTH_REQUIRE; | |
2015 | break; | |
94bec972 RM |
2016 | case O_DHCP: |
2017 | ifo->options |= DHCPCD_DHCP | DHCPCD_IPV4; | |
2018 | break; | |
d4154ba7 RM |
2019 | case O_NODHCP: |
2020 | ifo->options &= ~DHCPCD_DHCP; | |
2021 | break; | |
94bec972 RM |
2022 | case O_DHCP6: |
2023 | ifo->options |= DHCPCD_DHCP6 | DHCPCD_IPV6; | |
2024 | break; | |
d4154ba7 RM |
2025 | case O_NODHCP6: |
2026 | ifo->options &= ~DHCPCD_DHCP6; | |
2027 | break; | |
a93e79c6 | 2028 | case O_CONTROLGRP: |
6bcb242d | 2029 | ARG_REQUIRED; |
a93e79c6 RM |
2030 | #ifdef _REENTRANT |
2031 | l = sysconf(_SC_GETGR_R_SIZE_MAX); | |
2032 | if (l == -1) | |
2033 | dl = 1024; | |
2034 | else | |
2035 | dl = (size_t)l; | |
2036 | p = malloc(dl); | |
2037 | if (p == NULL) { | |
03274c9c | 2038 | syslog(LOG_ERR, "%s: malloc: %m", __func__); |
a93e79c6 RM |
2039 | return -1; |
2040 | } | |
2041 | while ((i = getgrnam_r(arg, &grpbuf, p, (size_t)l, &grp)) == | |
2042 | ERANGE) | |
2043 | { | |
2044 | size_t nl = dl * 2; | |
2045 | if (nl < dl) { | |
03274c9c | 2046 | syslog(LOG_ERR, "control_group: out of buffer"); |
a93e79c6 RM |
2047 | free(p); |
2048 | return -1; | |
2049 | } | |
2050 | dl = nl; | |
2051 | np = realloc(p, dl); | |
2052 | if (np == NULL) { | |
03274c9c | 2053 | syslog(LOG_ERR, "control_group: realloc: %m"); |
a93e79c6 RM |
2054 | free(p); |
2055 | return -1; | |
2056 | } | |
2057 | p = np; | |
2058 | } | |
2059 | if (i != 0) { | |
2060 | errno = i; | |
03274c9c | 2061 | syslog(LOG_ERR, "getgrnam_r: %m"); |
a93e79c6 RM |
2062 | free(p); |
2063 | return -1; | |
2064 | } | |
2065 | if (grp == NULL) { | |
03274c9c | 2066 | syslog(LOG_ERR, "controlgroup: %s: not found", arg); |
a93e79c6 RM |
2067 | free(p); |
2068 | return -1; | |
2069 | } | |
2070 | ctx->control_group = grp->gr_gid; | |
2071 | free(p); | |
2072 | #else | |
2073 | grp = getgrnam(arg); | |
2074 | if (grp == NULL) { | |
03274c9c | 2075 | syslog(LOG_ERR, "controlgroup: %s: not found", arg); |
a93e79c6 RM |
2076 | return -1; |
2077 | } | |
2078 | ctx->control_group = grp->gr_gid; | |
2079 | #endif | |
2080 | break; | |
2862d340 RM |
2081 | case O_NOUP: |
2082 | ifo->options &= ~DHCPCD_IF_UP; | |
2083 | break; | |
1aeaf0e7 | 2084 | case O_SLAAC: |
6bcb242d | 2085 | ARG_REQUIRED; |
1aeaf0e7 RM |
2086 | if (strcmp(arg, "private") == 0 || |
2087 | strcmp(arg, "stableprivate") == 0 || | |
2088 | strcmp(arg, "stable") == 0) | |
2089 | ifo->options |= DHCPCD_SLAACPRIVATE; | |
2090 | else | |
2091 | ifo->options &= ~DHCPCD_SLAACPRIVATE; | |
3ed12ab8 | 2092 | break; |
8f924434 RM |
2093 | case O_BOOTP: |
2094 | ifo->options |= DHCPCD_BOOTP; | |
2095 | break; | |
f572315d RM |
2096 | case O_NODELAY: |
2097 | ifo->options &= ~DHCPCD_INITIAL_DELAY; | |
2098 | break; | |
b1ad0d39 RM |
2099 | case O_LASTLEASE_EXTEND: |
2100 | ifo->options |= DHCPCD_LASTLEASE | DHCPCD_LASTLEASE_EXTEND; | |
2101 | break; | |
b4a86584 RM |
2102 | case O_INACTIVE: |
2103 | ifo->options |= DHCPCD_INACTIVE; | |
2104 | break; | |
d85ad7d0 | 2105 | case O_MUDURL: |
03274c9c | 2106 | ARG_REQUIRED; |
d85ad7d0 RM |
2107 | s = parse_string((char *)ifo->mudurl + 1, MUDURL_MAX_LEN, arg); |
2108 | if (s == -1) { | |
03274c9c | 2109 | syslog(LOG_ERR, "mudurl: %m"); |
d85ad7d0 RM |
2110 | return -1; |
2111 | } | |
2112 | *ifo->mudurl = (uint8_t)s; | |
2113 | break; | |
fd05b7dc RM |
2114 | default: |
2115 | return 0; | |
2116 | } | |
2117 | ||
2118 | return 1; | |
6bcb242d RM |
2119 | |
2120 | #ifdef ARG_REQUIRED | |
2121 | arg_required: | |
03274c9c | 2122 | syslog(LOG_ERR, "option %d requires an argument", opt); |
6bcb242d RM |
2123 | return -1; |
2124 | #undef ARG_REQUIRED | |
2125 | #endif | |
fd05b7dc RM |
2126 | } |
2127 | ||
2128 | static int | |
4eb7b489 RM |
2129 | parse_config_line(struct dhcpcd_ctx *ctx, const char *ifname, |
2130 | struct if_options *ifo, const char *opt, char *line, | |
2131 | struct dhcp_opt **ldop, struct dhcp_opt **edop) | |
fd05b7dc RM |
2132 | { |
2133 | unsigned int i; | |
2134 | ||
2135 | for (i = 0; i < sizeof(cf_options) / sizeof(cf_options[0]); i++) { | |
2136 | if (!cf_options[i].name || | |
2137 | strcmp(cf_options[i].name, opt) != 0) | |
2138 | continue; | |
2139 | ||
2140 | if (cf_options[i].has_arg == required_argument && !line) { | |
93346f3e | 2141 | syslog(LOG_ERR, "option requires an argument -- %s", |
eab2229c | 2142 | opt); |
fd05b7dc RM |
2143 | return -1; |
2144 | } | |
2145 | ||
4eb7b489 RM |
2146 | return parse_option(ctx, ifname, ifo, cf_options[i].val, line, |
2147 | ldop, edop); | |
fd05b7dc RM |
2148 | } |
2149 | ||
03274c9c | 2150 | syslog(LOG_ERR, "unknown option: %s", opt); |
fd05b7dc RM |
2151 | return -1; |
2152 | } | |
2153 | ||
741f46c6 | 2154 | static void |
b0272a9d | 2155 | finish_config(struct if_options *ifo) |
741f46c6 RM |
2156 | { |
2157 | ||
2158 | /* Terminate the encapsulated options */ | |
2159 | if (ifo->vendor[0] && !(ifo->options & DHCPCD_VENDORRAW)) { | |
2160 | ifo->vendor[0]++; | |
2161 | ifo->vendor[ifo->vendor[0]] = DHO_END; | |
aeddc61a RM |
2162 | /* We are called twice. |
2163 | * This should be fixed, but in the meantime, this | |
2164 | * guard should suffice */ | |
2165 | ifo->options |= DHCPCD_VENDORRAW; | |
741f46c6 | 2166 | } |
b0272a9d | 2167 | } |
741f46c6 | 2168 | |
c1b54b57 RM |
2169 | /* Handy routine to read very long lines in text files. |
2170 | * This means we read the whole line and avoid any nasty buffer overflows. | |
2171 | * We strip leading space and avoid comment lines, making the code that calls | |
2172 | * us smaller. */ | |
2173 | static char * | |
4eb7b489 RM |
2174 | get_line(char ** __restrict buf, size_t * __restrict buflen, |
2175 | FILE * __restrict fp) | |
c1b54b57 | 2176 | { |
67f84564 | 2177 | char *p, *c; |
c1b54b57 | 2178 | ssize_t bytes; |
67f84564 | 2179 | int quoted; |
c1b54b57 RM |
2180 | |
2181 | do { | |
2182 | bytes = getline(buf, buflen, fp); | |
2183 | if (bytes == -1) | |
2184 | return NULL; | |
2185 | for (p = *buf; *p == ' ' || *p == '\t'; p++) | |
2186 | ; | |
2187 | } while (*p == '\0' || *p == '\n' || *p == '#' || *p == ';'); | |
2188 | if ((*buf)[--bytes] == '\n') | |
2189 | (*buf)[bytes] = '\0'; | |
67f84564 RM |
2190 | |
2191 | /* Strip embedded comments unless in a quoted string or escaped */ | |
2192 | quoted = 0; | |
2193 | for (c = p; *c != '\0'; c++) { | |
2194 | if (*c == '\\') { | |
2195 | c++; /* escaped */ | |
2196 | continue; | |
2197 | } | |
2198 | if (*c == '"') | |
2199 | quoted = !quoted; | |
2200 | else if (*c == '#' && !quoted) { | |
2201 | *c = '\0'; | |
2202 | break; | |
2203 | } | |
2204 | } | |
c1b54b57 RM |
2205 | return p; |
2206 | } | |
2207 | ||
598e6cc7 RM |
2208 | struct if_options * |
2209 | default_config(struct dhcpcd_ctx *ctx) | |
2210 | { | |
2211 | struct if_options *ifo; | |
2212 | ||
2213 | /* Seed our default options */ | |
2214 | if ((ifo = calloc(1, sizeof(*ifo))) == NULL) { | |
03274c9c | 2215 | syslog(LOG_ERR, "%s: %m", __func__); |
598e6cc7 RM |
2216 | return NULL; |
2217 | } | |
2218 | ifo->options |= DHCPCD_IF_UP | DHCPCD_LINK | DHCPCD_INITIAL_DELAY; | |
2219 | ifo->timeout = DEFAULT_TIMEOUT; | |
2220 | ifo->reboot = DEFAULT_REBOOT; | |
2221 | ifo->metric = -1; | |
2222 | ifo->auth.options |= DHCPCD_AUTH_REQUIRE; | |
9aa11487 | 2223 | TAILQ_INIT(&ifo->routes); |
e5fc8ac4 | 2224 | #ifdef AUTH |
598e6cc7 | 2225 | TAILQ_INIT(&ifo->auth.tokens); |
e5fc8ac4 | 2226 | #endif |
598e6cc7 RM |
2227 | |
2228 | /* Inherit some global defaults */ | |
2229 | if (ctx->options & DHCPCD_PERSISTENT) | |
2230 | ifo->options |= DHCPCD_PERSISTENT; | |
2231 | if (ctx->options & DHCPCD_SLAACPRIVATE) | |
2232 | ifo->options |= DHCPCD_SLAACPRIVATE; | |
2233 | ||
2234 | return ifo; | |
2235 | } | |
2236 | ||
fd05b7dc | 2237 | struct if_options * |
4eb7b489 | 2238 | read_config(struct dhcpcd_ctx *ctx, |
6f767217 | 2239 | const char *ifname, const char *ssid, const char *profile) |
fd05b7dc RM |
2240 | { |
2241 | struct if_options *ifo; | |
c1b54b57 | 2242 | FILE *fp; |
727d8459 | 2243 | struct stat sb; |
c1b54b57 RM |
2244 | char *line, *buf, *option, *p; |
2245 | size_t buflen; | |
fec195b5 | 2246 | ssize_t vlen; |
417c31a9 | 2247 | int skip, have_profile, new_block, had_block; |
1cd05a96 | 2248 | #ifndef EMBEDDED_CONFIG |
e2e644e9 | 2249 | const char * const *e; |
c1b54b57 | 2250 | size_t ol; |
1cd05a96 | 2251 | #endif |
d9fbb118 | 2252 | #if !defined(INET) || !defined(INET6) |
10cac699 | 2253 | size_t i; |
d9fbb118 RM |
2254 | struct dhcp_opt *opt; |
2255 | #endif | |
4eb7b489 | 2256 | struct dhcp_opt *ldop, *edop; |
fd05b7dc RM |
2257 | |
2258 | /* Seed our default options */ | |
598e6cc7 | 2259 | if ((ifo = default_config(ctx)) == NULL) |
10e17e3f | 2260 | return NULL; |
598e6cc7 | 2261 | ifo->options |= DHCPCD_DAEMONISE; |
413652c1 RM |
2262 | #ifdef PLUGIN_DEV |
2263 | ifo->options |= DHCPCD_DEV; | |
2264 | #endif | |
aae24feb | 2265 | #ifdef INET |
6456fc27 | 2266 | ifo->options |= DHCPCD_IPV4 | DHCPCD_ARP | DHCPCD_DHCP | DHCPCD_IPV4LL; |
aae24feb RM |
2267 | #endif |
2268 | #ifdef INET6 | |
62f12387 RM |
2269 | ifo->options |= DHCPCD_IPV6 | DHCPCD_IPV6RS; |
2270 | ifo->options |= DHCPCD_IPV6RA_AUTOCONF | DHCPCD_IPV6RA_REQRDNSS; | |
d4154ba7 | 2271 | ifo->options |= DHCPCD_DHCP6; |
aae24feb | 2272 | #endif |
793c4286 | 2273 | |
fec195b5 RM |
2274 | vlen = dhcp_vendor((char *)ifo->vendorclassid + 1, |
2275 | sizeof(ifo->vendorclassid) - 1); | |
d7a4dcf9 | 2276 | ifo->vendorclassid[0] = (uint8_t)(vlen == -1 ? 0 : vlen); |
fd05b7dc | 2277 | |
c1b54b57 RM |
2278 | buf = NULL; |
2279 | buflen = 0; | |
2280 | ||
8e7d8c37 | 2281 | /* Parse our embedded options file */ |
c1642d52 | 2282 | if (ifname == NULL && !(ctx->options & DHCPCD_PRINT_PIDFILE)) { |
1cd05a96 RM |
2283 | /* Space for initial estimates */ |
2284 | #if defined(INET) && defined(INITDEFINES) | |
2285 | ifo->dhcp_override = | |
2286 | calloc(INITDEFINES, sizeof(*ifo->dhcp_override)); | |
2287 | if (ifo->dhcp_override == NULL) | |
03274c9c | 2288 | syslog(LOG_ERR, "%s: %m", __func__); |
1cd05a96 RM |
2289 | else |
2290 | ifo->dhcp_override_len = INITDEFINES; | |
2291 | #endif | |
2292 | ||
2be15e88 RM |
2293 | #if defined(INET6) && defined(INITDEFINENDS) |
2294 | ifo->nd_override = | |
2295 | calloc(INITDEFINENDS, sizeof(*ifo->nd_override)); | |
2296 | if (ifo->nd_override == NULL) | |
03274c9c | 2297 | syslog(LOG_ERR, "%s: %m", __func__); |
2be15e88 RM |
2298 | else |
2299 | ifo->nd_override_len = INITDEFINENDS; | |
2300 | #endif | |
1cd05a96 RM |
2301 | #if defined(INET6) && defined(INITDEFINE6S) |
2302 | ifo->dhcp6_override = | |
2303 | calloc(INITDEFINE6S, sizeof(*ifo->dhcp6_override)); | |
2304 | if (ifo->dhcp6_override == NULL) | |
03274c9c | 2305 | syslog(LOG_ERR, "%s: %m", __func__); |
1cd05a96 | 2306 | else |
d9fbb118 | 2307 | ifo->dhcp6_override_len = INITDEFINE6S; |
1cd05a96 RM |
2308 | #endif |
2309 | ||
2310 | /* Now load our embedded config */ | |
2311 | #ifdef EMBEDDED_CONFIG | |
c1b54b57 RM |
2312 | fp = fopen(EMBEDDED_CONFIG, "r"); |
2313 | if (fp == NULL) | |
03274c9c | 2314 | syslog(LOG_ERR, "fopen `%s': %m", EMBEDDED_CONFIG); |
1cd05a96 | 2315 | |
c1b54b57 | 2316 | while (fp && (line = get_line(&buf, &buflen, fp))) { |
1cd05a96 | 2317 | #else |
a319fa53 RM |
2318 | buflen = 80; |
2319 | buf = malloc(buflen); | |
2320 | if (buf == NULL) { | |
03274c9c | 2321 | syslog(LOG_ERR, "%s: %m", __func__); |
e4cba32e | 2322 | free_options(ifo); |
1cd05a96 RM |
2323 | return NULL; |
2324 | } | |
4eb7b489 | 2325 | ldop = edop = NULL; |
1cd05a96 RM |
2326 | for (e = dhcpcd_embedded_conf; *e; e++) { |
2327 | ol = strlen(*e) + 1; | |
a319fa53 | 2328 | if (ol > buflen) { |
e4cba32e RM |
2329 | char *nbuf; |
2330 | ||
a319fa53 | 2331 | buflen = ol; |
e4cba32e RM |
2332 | nbuf = realloc(buf, buflen); |
2333 | if (nbuf == NULL) { | |
03274c9c | 2334 | syslog(LOG_ERR, "%s: %m", __func__); |
967db595 | 2335 | free(buf); |
e4cba32e | 2336 | free_options(ifo); |
1cd05a96 RM |
2337 | return NULL; |
2338 | } | |
e4cba32e | 2339 | buf = nbuf; |
1cd05a96 | 2340 | } |
a319fa53 RM |
2341 | memcpy(buf, *e, ol); |
2342 | line = buf; | |
1cd05a96 | 2343 | #endif |
8e7d8c37 | 2344 | option = strsep(&line, " \t"); |
ab371aa6 RM |
2345 | if (line) |
2346 | line = strskipwhite(line); | |
8e7d8c37 | 2347 | /* Trim trailing whitespace */ |
79f1f126 | 2348 | if (line) { |
8e7d8c37 RM |
2349 | p = line + strlen(line) - 1; |
2350 | while (p != line && | |
2351 | (*p == ' ' || *p == '\t') && | |
2352 | *(p - 1) != '\\') | |
2353 | *p-- = '\0'; | |
2354 | } | |
4eb7b489 RM |
2355 | parse_config_line(ctx, NULL, ifo, option, line, |
2356 | &ldop, &edop); | |
1cd05a96 | 2357 | |
8e7d8c37 | 2358 | } |
1cd05a96 RM |
2359 | |
2360 | #ifdef EMBEDDED_CONFIG | |
c1b54b57 RM |
2361 | if (fp) |
2362 | fclose(fp); | |
1cd05a96 RM |
2363 | #endif |
2364 | #ifdef INET | |
4eb7b489 RM |
2365 | ctx->dhcp_opts = ifo->dhcp_override; |
2366 | ctx->dhcp_opts_len = ifo->dhcp_override_len; | |
1cd05a96 | 2367 | #else |
d9fbb118 RM |
2368 | for (i = 0, opt = ifo->dhcp_override; |
2369 | i < ifo->dhcp_override_len; | |
2370 | i++, opt++) | |
2371 | free_dhcp_opt_embenc(opt); | |
1cd05a96 RM |
2372 | free(ifo->dhcp_override); |
2373 | #endif | |
2374 | ifo->dhcp_override = NULL; | |
2375 | ifo->dhcp_override_len = 0; | |
2376 | ||
2377 | #ifdef INET6 | |
2be15e88 RM |
2378 | ctx->nd_opts = ifo->nd_override; |
2379 | ctx->nd_opts_len = ifo->nd_override_len; | |
4eb7b489 RM |
2380 | ctx->dhcp6_opts = ifo->dhcp6_override; |
2381 | ctx->dhcp6_opts_len = ifo->dhcp6_override_len; | |
1cd05a96 | 2382 | #else |
2be15e88 RM |
2383 | for (i = 0, opt = ifo->nd_override; |
2384 | i < ifo->nd_override_len; | |
2385 | i++, opt++) | |
2386 | free_dhcp_opt_embenc(opt); | |
2387 | free(ifo->nd_override); | |
d9fbb118 | 2388 | for (i = 0, opt = ifo->dhcp6_override; |
10cac699 | 2389 | i < ifo->dhcp6_override_len; |
d9fbb118 RM |
2390 | i++, opt++) |
2391 | free_dhcp_opt_embenc(opt); | |
1cd05a96 RM |
2392 | free(ifo->dhcp6_override); |
2393 | #endif | |
2be15e88 RM |
2394 | ifo->nd_override = NULL; |
2395 | ifo->nd_override_len = 0; | |
1cd05a96 RM |
2396 | ifo->dhcp6_override = NULL; |
2397 | ifo->dhcp6_override_len = 0; | |
7a911e57 | 2398 | |
4eb7b489 RM |
2399 | ctx->vivso = ifo->vivso_override; |
2400 | ctx->vivso_len = ifo->vivso_override_len; | |
7a911e57 RM |
2401 | ifo->vivso_override = NULL; |
2402 | ifo->vivso_override_len = 0; | |
8e7d8c37 RM |
2403 | } |
2404 | ||
fd05b7dc | 2405 | /* Parse our options file */ |
4eb7b489 | 2406 | fp = fopen(ctx->cffile, "r"); |
c1b54b57 | 2407 | if (fp == NULL) { |
62cb6de8 RM |
2408 | /* dhcpcd can continue without it, but no DNS options |
2409 | * would be requested ... */ | |
03274c9c | 2410 | syslog(LOG_WARNING, "fopen `%s': %m", ctx->cffile); |
c1b54b57 | 2411 | free(buf); |
fd05b7dc | 2412 | return ifo; |
5e2062a4 | 2413 | } |
727d8459 RM |
2414 | if (stat(ctx->cffile, &sb) == 0) |
2415 | ifo->mtime = sb.st_mtime; | |
fd05b7dc | 2416 | |
4eb7b489 | 2417 | ldop = edop = NULL; |
417c31a9 | 2418 | skip = have_profile = new_block = 0; |
d42067b8 | 2419 | had_block = ifname == NULL ? 1 : 0; |
c1b54b57 | 2420 | while ((line = get_line(&buf, &buflen, fp))) { |
e1caa8db | 2421 | option = strsep(&line, " \t"); |
ab371aa6 RM |
2422 | if (line) |
2423 | line = strskipwhite(line); | |
fd05b7dc | 2424 | /* Trim trailing whitespace */ |
79f1f126 | 2425 | if (line) { |
fd05b7dc RM |
2426 | p = line + strlen(line) - 1; |
2427 | while (p != line && | |
eab2229c RM |
2428 | (*p == ' ' || *p == '\t') && |
2429 | *(p - 1) != '\\') | |
fd05b7dc RM |
2430 | *p-- = '\0'; |
2431 | } | |
d42067b8 | 2432 | if (skip == 0 && new_block) { |
edb0ed37 RM |
2433 | had_block = 1; |
2434 | new_block = 0; | |
2435 | ifo->options &= ~DHCPCD_WAITOPTS; | |
2436 | } | |
fd05b7dc RM |
2437 | /* Start of an interface block, skip if not ours */ |
2438 | if (strcmp(option, "interface") == 0) { | |
4d91c2e7 RM |
2439 | char **n; |
2440 | ||
edb0ed37 | 2441 | new_block = 1; |
79f1f126 RM |
2442 | if (line == NULL) { |
2443 | /* No interface given */ | |
2444 | skip = 1; | |
2445 | continue; | |
2446 | } | |
2447 | if (ifname && strcmp(line, ifname) == 0) | |
fd05b7dc RM |
2448 | skip = 0; |
2449 | else | |
2450 | skip = 1; | |
4d91c2e7 RM |
2451 | if (ifname) |
2452 | continue; | |
2453 | ||
79f1f126 RM |
2454 | n = reallocarray(ctx->ifcv, |
2455 | (size_t)ctx->ifcc + 1, sizeof(char *)); | |
4d91c2e7 | 2456 | if (n == NULL) { |
03274c9c | 2457 | syslog(LOG_ERR, "%s: %m", __func__); |
4d91c2e7 RM |
2458 | continue; |
2459 | } | |
2460 | ctx->ifcv = n; | |
2461 | ctx->ifcv[ctx->ifcc] = strdup(line); | |
2462 | if (ctx->ifcv[ctx->ifcc] == NULL) { | |
03274c9c | 2463 | syslog(LOG_ERR, "%s: %m", __func__); |
4d91c2e7 RM |
2464 | continue; |
2465 | } | |
2466 | ctx->ifcc++; | |
fd05b7dc | 2467 | continue; |
c53cf4ef RM |
2468 | } |
2469 | /* Start of an ssid block, skip if not ours */ | |
2470 | if (strcmp(option, "ssid") == 0) { | |
edb0ed37 | 2471 | new_block = 1; |
c53cf4ef RM |
2472 | if (ssid && line && strcmp(line, ssid) == 0) |
2473 | skip = 0; | |
2474 | else | |
2475 | skip = 1; | |
2476 | continue; | |
fd05b7dc | 2477 | } |
6f767217 RM |
2478 | /* Start of a profile block, skip if not ours */ |
2479 | if (strcmp(option, "profile") == 0) { | |
edb0ed37 | 2480 | new_block = 1; |
6f767217 RM |
2481 | if (profile && line && strcmp(line, profile) == 0) { |
2482 | skip = 0; | |
2483 | have_profile = 1; | |
2484 | } else | |
2485 | skip = 1; | |
2486 | continue; | |
2487 | } | |
ba7a34fb RM |
2488 | /* Skip arping if we have selected a profile but not parsing |
2489 | * one. */ | |
2490 | if (profile && !have_profile && strcmp(option, "arping") == 0) | |
2491 | continue; | |
fd05b7dc RM |
2492 | if (skip) |
2493 | continue; | |
4eb7b489 | 2494 | parse_config_line(ctx, ifname, ifo, option, line, &ldop, &edop); |
fd05b7dc | 2495 | } |
c1b54b57 RM |
2496 | fclose(fp); |
2497 | free(buf); | |
fd05b7dc | 2498 | |
6f767217 RM |
2499 | if (profile && !have_profile) { |
2500 | free_options(ifo); | |
2501 | errno = ENOENT; | |
658bfd5e | 2502 | return NULL; |
6f767217 RM |
2503 | } |
2504 | ||
edb0ed37 RM |
2505 | if (!had_block) |
2506 | ifo->options &= ~DHCPCD_WAITOPTS; | |
b0272a9d | 2507 | finish_config(ifo); |
fd05b7dc RM |
2508 | return ifo; |
2509 | } | |
2510 | ||
2511 | int | |
4eb7b489 RM |
2512 | add_options(struct dhcpcd_ctx *ctx, const char *ifname, |
2513 | struct if_options *ifo, int argc, char **argv) | |
fd05b7dc | 2514 | { |
29c0fd6f | 2515 | int oi, opt, r; |
edb0ed37 | 2516 | unsigned long long wait_opts; |
29c0fd6f RM |
2517 | |
2518 | if (argc == 0) | |
2519 | return 1; | |
fd05b7dc RM |
2520 | |
2521 | optind = 0; | |
29c0fd6f | 2522 | r = 1; |
edb0ed37 RM |
2523 | /* Don't apply the command line wait options to each interface, |
2524 | * only use the dhcpcd.conf entry for that. */ | |
2525 | if (ifname != NULL) | |
2526 | wait_opts = ifo->options & DHCPCD_WAITOPTS; | |
c31b1719 RM |
2527 | while ((opt = getopt_long(argc, argv, |
2528 | ctx->options & DHCPCD_PRINT_PIDFILE ? NOERR_IF_OPTS : IF_OPTS, | |
2529 | cf_options, &oi)) != -1) | |
fd05b7dc | 2530 | { |
4eb7b489 | 2531 | r = parse_option(ctx, ifname, ifo, opt, optarg, NULL, NULL); |
fd05b7dc RM |
2532 | if (r != 1) |
2533 | break; | |
2534 | } | |
edb0ed37 RM |
2535 | if (ifname != NULL) { |
2536 | ifo->options &= ~DHCPCD_WAITOPTS; | |
2537 | ifo->options |= wait_opts; | |
2538 | } | |
741f46c6 | 2539 | |
b0272a9d | 2540 | finish_config(ifo); |
fd05b7dc RM |
2541 | return r; |
2542 | } | |
2543 | ||
2544 | void | |
2545 | free_options(struct if_options *ifo) | |
2546 | { | |
2547 | size_t i; | |
d9fbb118 | 2548 | struct dhcp_opt *opt; |
900b6f94 | 2549 | struct vivco *vo; |
e5fc8ac4 | 2550 | #ifdef AUTH |
c73ed171 | 2551 | struct token *token; |
e5fc8ac4 | 2552 | #endif |
fd05b7dc | 2553 | |
f43e5853 RM |
2554 | if (ifo) { |
2555 | if (ifo->environ) { | |
2556 | i = 0; | |
2557 | while (ifo->environ[i]) | |
2558 | free(ifo->environ[i++]); | |
2559 | free(ifo->environ); | |
2560 | } | |
91a44b91 RM |
2561 | if (ifo->config) { |
2562 | i = 0; | |
2563 | while (ifo->config[i]) | |
2564 | free(ifo->config[i++]); | |
2565 | free(ifo->config); | |
2566 | } | |
ded03af2 | 2567 | rt_headclear(&ifo->routes, AF_UNSPEC); |
1681b126 | 2568 | free(ifo->script); |
ff021b0b | 2569 | free(ifo->arping); |
f43e5853 | 2570 | free(ifo->blacklist); |
ff021b0b | 2571 | free(ifo->fallback); |
8e7d8c37 | 2572 | |
59a555cd RM |
2573 | for (opt = ifo->dhcp_override; |
2574 | ifo->dhcp_override_len > 0; | |
2575 | opt++, ifo->dhcp_override_len--) | |
d9fbb118 | 2576 | free_dhcp_opt_embenc(opt); |
8e7d8c37 | 2577 | free(ifo->dhcp_override); |
2be15e88 RM |
2578 | for (opt = ifo->nd_override; |
2579 | ifo->nd_override_len > 0; | |
2580 | opt++, ifo->nd_override_len--) | |
2581 | free_dhcp_opt_embenc(opt); | |
2582 | free(ifo->nd_override); | |
59a555cd RM |
2583 | for (opt = ifo->dhcp6_override; |
2584 | ifo->dhcp6_override_len > 0; | |
2585 | opt++, ifo->dhcp6_override_len--) | |
7a911e57 RM |
2586 | free_dhcp_opt_embenc(opt); |
2587 | free(ifo->dhcp6_override); | |
59a555cd RM |
2588 | for (vo = ifo->vivco; |
2589 | ifo->vivco_len > 0; | |
2590 | vo++, ifo->vivco_len--) | |
900b6f94 RM |
2591 | free(vo->data); |
2592 | free(ifo->vivco); | |
59a555cd RM |
2593 | for (opt = ifo->vivso_override; |
2594 | ifo->vivso_override_len > 0; | |
2595 | opt++, ifo->vivso_override_len--) | |
7a911e57 | 2596 | free_dhcp_opt_embenc(opt); |
900b6f94 | 2597 | free(ifo->vivso_override); |
8e7d8c37 | 2598 | |
00ababe4 | 2599 | #ifdef INET6 |
59a555cd RM |
2600 | for (; ifo->ia_len > 0; ifo->ia_len--) |
2601 | free(ifo->ia[ifo->ia_len - 1].sla); | |
00ababe4 | 2602 | #endif |
ebc9d360 RM |
2603 | free(ifo->ia); |
2604 | ||
e5fc8ac4 | 2605 | #ifdef AUTH |
c73ed171 RM |
2606 | while ((token = TAILQ_FIRST(&ifo->auth.tokens))) { |
2607 | TAILQ_REMOVE(&ifo->auth.tokens, token, next); | |
2608 | if (token->realm_len) | |
2609 | free(token->realm); | |
2610 | free(token->key); | |
2611 | free(token); | |
2612 | } | |
e5fc8ac4 | 2613 | #endif |
f43e5853 | 2614 | free(ifo); |
fd05b7dc | 2615 | } |
fd05b7dc | 2616 | } |