]>
Commit | Line | Data |
---|---|---|
114167a2 | 1 | /* SPDX-License-Identifier: BSD-2-Clause */ |
8cc47ba2 | 2 | /* |
fd05b7dc | 3 | * dhcpcd - DHCP client daemon |
a2566f54 | 4 | * Copyright (c) 2006-2020 Roy Marples <roy@marples.name> |
fd05b7dc RM |
5 | * All rights reserved |
6 | ||
7 | * Redistribution and use in source and binary forms, with or without | |
8 | * modification, are permitted provided that the following conditions | |
9 | * are met: | |
10 | * 1. Redistributions of source code must retain the above copyright | |
11 | * notice, this list of conditions and the following disclaimer. | |
12 | * 2. Redistributions in binary form must reproduce the above copyright | |
13 | * notice, this list of conditions and the following disclaimer in the | |
14 | * documentation and/or other materials provided with the distribution. | |
15 | * | |
16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND | |
17 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
20 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
21 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
22 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
23 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
24 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
25 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
26 | * SUCH DAMAGE. | |
27 | */ | |
28 | ||
0d0c5f66 | 29 | #include <sys/param.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> | |
44 | #include <unistd.h> | |
45 | #include <time.h> | |
46 | ||
fd05b7dc | 47 | #include "config.h" |
9f7780b0 | 48 | #include "common.h" |
d7555c12 RM |
49 | #include "dhcp.h" |
50 | #include "dhcp6.h" | |
1cd05a96 | 51 | #include "dhcpcd-embedded.h" |
b825b39f | 52 | #include "if.h" |
fd05b7dc | 53 | #include "if-options.h" |
e88c525f | 54 | #include "ipv4.h" |
94d1ded9 | 55 | #include "logerr.h" |
9aa11487 | 56 | #include "sa.h" |
fd05b7dc | 57 | |
fd05b7dc | 58 | const struct option cf_options[] = { |
ba97e494 RM |
59 | {"background", no_argument, NULL, 'b'}, |
60 | {"script", required_argument, NULL, 'c'}, | |
61 | {"debug", no_argument, NULL, 'd'}, | |
6bfd88f1 | 62 | {"env", required_argument, NULL, 'e'}, |
ba97e494 | 63 | {"config", required_argument, NULL, 'f'}, |
6bfd88f1 | 64 | {"reconfigure", no_argument, NULL, 'g'}, |
ba97e494 RM |
65 | {"hostname", optional_argument, NULL, 'h'}, |
66 | {"vendorclassid", optional_argument, NULL, 'i'}, | |
e7045be0 | 67 | {"logfile", required_argument, NULL, 'j'}, |
ba97e494 RM |
68 | {"release", no_argument, NULL, 'k'}, |
69 | {"leasetime", required_argument, NULL, 'l'}, | |
70 | {"metric", required_argument, NULL, 'm'}, | |
71 | {"rebind", no_argument, NULL, 'n'}, | |
72 | {"option", required_argument, NULL, 'o'}, | |
73 | {"persistent", no_argument, NULL, 'p'}, | |
74 | {"quiet", no_argument, NULL, 'q'}, | |
75 | {"request", optional_argument, NULL, 'r'}, | |
76 | {"inform", optional_argument, NULL, 's'}, | |
567a2357 | 77 | {"inform6", optional_argument, NULL, O_INFORM6}, |
ba97e494 RM |
78 | {"timeout", required_argument, NULL, 't'}, |
79 | {"userclass", required_argument, NULL, 'u'}, | |
9275b105 RM |
80 | #ifndef SMALL |
81 | {"msuserclass", required_argument, NULL, O_MSUSERCLASS}, | |
82 | #endif | |
ba97e494 | 83 | {"vendor", required_argument, NULL, 'v'}, |
7013b073 | 84 | {"waitip", optional_argument, NULL, 'w'}, |
ba97e494 | 85 | {"exit", no_argument, NULL, 'x'}, |
d3088c74 | 86 | {"allowinterfaces", required_argument, NULL, 'z'}, |
a2a9a498 | 87 | {"reboot", required_argument, NULL, 'y'}, |
ba97e494 RM |
88 | {"noarp", no_argument, NULL, 'A'}, |
89 | {"nobackground", no_argument, NULL, 'B'}, | |
90 | {"nohook", required_argument, NULL, 'C'}, | |
91 | {"duid", no_argument, NULL, 'D'}, | |
92 | {"lastlease", no_argument, NULL, 'E'}, | |
93 | {"fqdn", optional_argument, NULL, 'F'}, | |
94 | {"nogateway", no_argument, NULL, 'G'}, | |
00ababe4 | 95 | {"xidhwaddr", no_argument, NULL, 'H'}, |
ba97e494 | 96 | {"clientid", optional_argument, NULL, 'I'}, |
900b3da4 | 97 | {"broadcast", no_argument, NULL, 'J'}, |
ba97e494 RM |
98 | {"nolink", no_argument, NULL, 'K'}, |
99 | {"noipv4ll", no_argument, NULL, 'L'}, | |
b3174181 | 100 | {"master", no_argument, NULL, 'M'}, |
56a66017 | 101 | {"renew", no_argument, NULL, 'N'}, |
5114e3dc | 102 | {"nooption", required_argument, NULL, 'O'}, |
c31b1719 | 103 | {"printpidfile", no_argument, NULL, 'P'}, |
ba97e494 | 104 | {"require", required_argument, NULL, 'Q'}, |
91a44b91 | 105 | {"static", required_argument, NULL, 'S'}, |
ba97e494 | 106 | {"test", no_argument, NULL, 'T'}, |
dc60cba4 | 107 | {"dumplease", no_argument, NULL, 'U'}, |
ba97e494 | 108 | {"variables", no_argument, NULL, 'V'}, |
bf80d526 | 109 | {"whitelist", required_argument, NULL, 'W'}, |
ba97e494 | 110 | {"blacklist", required_argument, NULL, 'X'}, |
d3088c74 | 111 | {"denyinterfaces", required_argument, NULL, 'Z'}, |
df574999 RM |
112 | {"oneshot", no_argument, NULL, '1'}, |
113 | {"ipv4only", no_argument, NULL, '4'}, | |
114 | {"ipv6only", no_argument, NULL, '6'}, | |
68f04fa8 | 115 | {"anonymous", no_argument, NULL, O_ANONYMOUS}, |
4ca7460f | 116 | {"arping", required_argument, NULL, O_ARPING}, |
41c60e02 | 117 | {"destination", required_argument, NULL, O_DESTINATION}, |
ff021b0b | 118 | {"fallback", required_argument, NULL, O_FALLBACK}, |
eebe9a18 | 119 | {"ipv6rs", no_argument, NULL, O_IPV6RS}, |
91cd7324 | 120 | {"noipv6rs", no_argument, NULL, O_NOIPV6RS}, |
62f12387 RM |
121 | {"ipv6ra_autoconf", no_argument, NULL, O_IPV6RA_AUTOCONF}, |
122 | {"ipv6ra_noautoconf", no_argument, NULL, O_IPV6RA_NOAUTOCONF}, | |
eebe9a18 | 123 | {"ipv6ra_fork", no_argument, NULL, O_IPV6RA_FORK}, |
94bec972 | 124 | {"ipv4", no_argument, NULL, O_IPV4}, |
bb8051bf | 125 | {"noipv4", no_argument, NULL, O_NOIPV4}, |
94bec972 | 126 | {"ipv6", no_argument, NULL, O_IPV6}, |
bb8051bf | 127 | {"noipv6", no_argument, NULL, O_NOIPV6}, |
7dab081f | 128 | {"noalias", no_argument, NULL, O_NOALIAS}, |
7a911e57 | 129 | {"iaid", required_argument, NULL, O_IAID}, |
00ababe4 RM |
130 | {"ia_na", no_argument, NULL, O_IA_NA}, |
131 | {"ia_ta", no_argument, NULL, O_IA_TA}, | |
132 | {"ia_pd", no_argument, NULL, O_IA_PD}, | |
d6a18654 | 133 | {"hostname_short", no_argument, NULL, O_HOSTNAME_SHORT}, |
413652c1 RM |
134 | {"dev", required_argument, NULL, O_DEV}, |
135 | {"nodev", no_argument, NULL, O_NODEV}, | |
7a911e57 | 136 | {"define", required_argument, NULL, O_DEFINE}, |
2be15e88 | 137 | {"definend", required_argument, NULL, O_DEFINEND}, |
7a911e57 RM |
138 | {"define6", required_argument, NULL, O_DEFINE6}, |
139 | {"embed", required_argument, NULL, O_EMBED}, | |
140 | {"encap", required_argument, NULL, O_ENCAP}, | |
141 | {"vendopt", required_argument, NULL, O_VENDOPT}, | |
142 | {"vendclass", required_argument, NULL, O_VENDCLASS}, | |
c73ed171 RM |
143 | {"authprotocol", required_argument, NULL, O_AUTHPROTOCOL}, |
144 | {"authtoken", required_argument, NULL, O_AUTHTOKEN}, | |
145 | {"noauthrequired", no_argument, NULL, O_AUTHNOTREQUIRED}, | |
94bec972 | 146 | {"dhcp", no_argument, NULL, O_DHCP}, |
d4154ba7 | 147 | {"nodhcp", no_argument, NULL, O_NODHCP}, |
94bec972 | 148 | {"dhcp6", no_argument, NULL, O_DHCP6}, |
d4154ba7 | 149 | {"nodhcp6", no_argument, NULL, O_NODHCP6}, |
a93e79c6 | 150 | {"controlgroup", required_argument, NULL, O_CONTROLGRP}, |
1aeaf0e7 | 151 | {"slaac", required_argument, NULL, O_SLAAC}, |
feb553d0 | 152 | {"gateway", no_argument, NULL, O_GATEWAY}, |
85bff648 | 153 | {"reject", required_argument, NULL, O_REJECT}, |
8f924434 | 154 | {"bootp", no_argument, NULL, O_BOOTP}, |
f572315d | 155 | {"nodelay", no_argument, NULL, O_NODELAY}, |
2862d340 | 156 | {"noup", no_argument, NULL, O_NOUP}, |
b1ad0d39 | 157 | {"lastleaseextend", no_argument, NULL, O_LASTLEASE_EXTEND}, |
b4a86584 | 158 | {"inactive", no_argument, NULL, O_INACTIVE}, |
d85ad7d0 | 159 | {"mudurl", required_argument, NULL, O_MUDURL}, |
281818ae | 160 | {"link_rcvbuf", required_argument, NULL, O_LINK_RCVBUF}, |
ba97e494 | 161 | {NULL, 0, NULL, '\0'} |
fd05b7dc RM |
162 | }; |
163 | ||
00ababe4 | 164 | static char * |
6df0a6b1 | 165 | add_environ(char ***array, const char *value, int uniq) |
fd05b7dc | 166 | { |
6df0a6b1 | 167 | char **newlist, **list = *array; |
fd05b7dc | 168 | size_t i = 0, l, lv; |
fa245a4d | 169 | char *match = NULL, *p, *n; |
fd05b7dc | 170 | |
78369646 RM |
171 | match = strdup(value); |
172 | if (match == NULL) { | |
94d1ded9 | 173 | logerr(__func__); |
78369646 RM |
174 | return NULL; |
175 | } | |
fd05b7dc | 176 | p = strchr(match, '='); |
d7cfde68 | 177 | if (p == NULL) { |
94d1ded9 | 178 | logerrx("%s: no assignment: %s", __func__, value); |
d7cfde68 RM |
179 | free(match); |
180 | return NULL; | |
181 | } | |
182 | *p++ = '\0'; | |
fd05b7dc RM |
183 | l = strlen(match); |
184 | ||
6df0a6b1 RM |
185 | while (list && list[i]) { |
186 | if (match && strncmp(list[i], match, l) == 0) { | |
fd05b7dc | 187 | if (uniq) { |
78369646 RM |
188 | n = strdup(value); |
189 | if (n == NULL) { | |
94d1ded9 | 190 | logerr(__func__); |
8fc52ced | 191 | free(match); |
78369646 RM |
192 | return NULL; |
193 | } | |
6df0a6b1 RM |
194 | free(list[i]); |
195 | list[i] = n; | |
fd05b7dc RM |
196 | } else { |
197 | /* Append a space and the value to it */ | |
6df0a6b1 | 198 | l = strlen(list[i]); |
d7cfde68 | 199 | lv = strlen(p); |
6df0a6b1 | 200 | n = realloc(list[i], l + lv + 2); |
fa245a4d | 201 | if (n == NULL) { |
94d1ded9 | 202 | logerr(__func__); |
8fc52ced | 203 | free(match); |
fa245a4d RM |
204 | return NULL; |
205 | } | |
6df0a6b1 RM |
206 | list[i] = n; |
207 | list[i][l] = ' '; | |
208 | memcpy(list[i] + l + 1, p, lv); | |
209 | list[i][l + lv + 1] = '\0'; | |
fd05b7dc RM |
210 | } |
211 | free(match); | |
6df0a6b1 | 212 | return list[i]; |
fd05b7dc RM |
213 | } |
214 | i++; | |
215 | } | |
216 | ||
8fc52ced | 217 | free(match); |
78369646 RM |
218 | n = strdup(value); |
219 | if (n == NULL) { | |
94d1ded9 | 220 | logerr(__func__); |
78369646 RM |
221 | return NULL; |
222 | } | |
6df0a6b1 | 223 | newlist = reallocarray(list, i + 2, sizeof(char *)); |
fa245a4d | 224 | if (newlist == NULL) { |
94d1ded9 | 225 | logerr(__func__); |
8fc52ced | 226 | free(n); |
fa245a4d RM |
227 | return NULL; |
228 | } | |
78369646 | 229 | newlist[i] = n; |
fd05b7dc | 230 | newlist[i + 1] = NULL; |
6df0a6b1 | 231 | *array = newlist; |
fd05b7dc RM |
232 | return newlist[i]; |
233 | } | |
234 | ||
f8ea60a1 RM |
235 | #define PARSE_STRING 0 |
236 | #define PARSE_STRING_NULL 1 | |
237 | #define PARSE_HWADDR 2 | |
238 | #define parse_string(a, b, c) parse_str((a), (b), (c), PARSE_STRING) | |
e2357d5e | 239 | #define parse_nstring(a, b, c) parse_str((a), (b), (c), PARSE_STRING_NULL) |
f8ea60a1 | 240 | #define parse_hwaddr(a, b, c) parse_str((a), (b), (c), PARSE_HWADDR) |
fd05b7dc | 241 | static ssize_t |
f8ea60a1 | 242 | parse_str(char *sbuf, size_t slen, const char *str, int flags) |
fd05b7dc | 243 | { |
34457fe6 | 244 | size_t l; |
f8ea60a1 RM |
245 | const char *p, *end; |
246 | int i; | |
d11f52f2 | 247 | char c[4], cmd; |
fd05b7dc | 248 | |
f8ea60a1 | 249 | end = str + strlen(str); |
fd05b7dc RM |
250 | /* If surrounded by quotes then it's a string */ |
251 | if (*str == '"') { | |
f8ea60a1 RM |
252 | p = end - 1; |
253 | if (*p == '"') { | |
254 | str++; | |
255 | end = p; | |
256 | } | |
fd05b7dc | 257 | } else { |
34457fe6 RM |
258 | l = (size_t)hwaddr_aton(NULL, str); |
259 | if ((ssize_t) l != -1 && l > 1) { | |
fd05b7dc RM |
260 | if (l > slen) { |
261 | errno = ENOBUFS; | |
262 | return -1; | |
263 | } | |
264 | hwaddr_aton((uint8_t *)sbuf, str); | |
34457fe6 | 265 | return (ssize_t)l; |
fd05b7dc RM |
266 | } |
267 | } | |
268 | ||
269 | /* Process escapes */ | |
270 | l = 0; | |
271 | /* If processing a string on the clientid, first byte should be | |
272 | * 0 to indicate a non hardware type */ | |
f8ea60a1 | 273 | if (flags == PARSE_HWADDR && *str) { |
7a911e57 RM |
274 | if (sbuf) |
275 | *sbuf++ = 0; | |
fd05b7dc RM |
276 | l++; |
277 | } | |
278 | c[3] = '\0'; | |
f8ea60a1 | 279 | while (str < end) { |
7a911e57 | 280 | if (++l > slen && sbuf) { |
fd05b7dc RM |
281 | errno = ENOBUFS; |
282 | return -1; | |
283 | } | |
284 | if (*str == '\\') { | |
285 | str++; | |
d11f52f2 | 286 | switch((cmd = *str++)) { |
fd05b7dc | 287 | case '\0': |
d11f52f2 | 288 | str--; |
fd05b7dc RM |
289 | break; |
290 | case 'b': | |
7a911e57 RM |
291 | if (sbuf) |
292 | *sbuf++ = '\b'; | |
fd05b7dc RM |
293 | break; |
294 | case 'n': | |
7a911e57 RM |
295 | if (sbuf) |
296 | *sbuf++ = '\n'; | |
fd05b7dc RM |
297 | break; |
298 | case 'r': | |
7a911e57 RM |
299 | if (sbuf) |
300 | *sbuf++ = '\r'; | |
fd05b7dc RM |
301 | break; |
302 | case 't': | |
7a911e57 RM |
303 | if (sbuf) |
304 | *sbuf++ = '\t'; | |
fd05b7dc RM |
305 | break; |
306 | case 'x': | |
307 | /* Grab a hex code */ | |
308 | c[1] = '\0'; | |
309 | for (i = 0; i < 2; i++) { | |
310 | if (isxdigit((unsigned char)*str) == 0) | |
311 | break; | |
312 | c[i] = *str++; | |
313 | } | |
7a911e57 | 314 | if (c[1] != '\0' && sbuf) { |
fd05b7dc | 315 | c[2] = '\0'; |
34457fe6 | 316 | *sbuf++ = (char)strtol(c, NULL, 16); |
fd05b7dc RM |
317 | } else |
318 | l--; | |
319 | break; | |
320 | case '0': | |
321 | /* Grab an octal code */ | |
322 | c[2] = '\0'; | |
323 | for (i = 0; i < 3; i++) { | |
324 | if (*str < '0' || *str > '7') | |
325 | break; | |
326 | c[i] = *str++; | |
327 | } | |
7a911e57 | 328 | if (c[2] != '\0' && sbuf) { |
34457fe6 | 329 | i = (int)strtol(c, NULL, 8); |
fd05b7dc RM |
330 | if (i > 255) |
331 | i = 255; | |
34457fe6 | 332 | *sbuf ++= (char)i; |
fd05b7dc RM |
333 | } else |
334 | l--; | |
335 | break; | |
336 | default: | |
7a911e57 | 337 | if (sbuf) |
d11f52f2 | 338 | *sbuf++ = cmd; |
7a911e57 | 339 | break; |
fd05b7dc | 340 | } |
7a911e57 RM |
341 | } else { |
342 | if (sbuf) | |
343 | *sbuf++ = *str; | |
344 | str++; | |
345 | } | |
fd05b7dc | 346 | } |
dd1fac85 RM |
347 | if (flags == PARSE_STRING_NULL) { |
348 | l++; | |
349 | if (sbuf != NULL) { | |
350 | if (l > slen) { | |
351 | errno = ENOBUFS; | |
352 | return -1; | |
353 | } | |
354 | *sbuf = '\0'; | |
355 | } | |
356 | } | |
34457fe6 | 357 | return (ssize_t)l; |
fd05b7dc RM |
358 | } |
359 | ||
ebc9d360 | 360 | static int |
c73ed171 | 361 | parse_iaid1(uint8_t *iaid, const char *arg, size_t len, int n) |
ebc9d360 | 362 | { |
f94b4eab RM |
363 | int e; |
364 | uint32_t narg; | |
34457fe6 | 365 | ssize_t s; |
ebc9d360 | 366 | |
f94b4eab RM |
367 | narg = (uint32_t)strtou(arg, NULL, 0, 0, UINT32_MAX, &e); |
368 | if (e == 0) { | |
c73ed171 | 369 | if (n) |
f94b4eab RM |
370 | narg = htonl(narg); |
371 | memcpy(iaid, &narg, sizeof(narg)); | |
ebc9d360 RM |
372 | return 0; |
373 | } | |
374 | ||
069e2f28 | 375 | if ((s = parse_string((char *)iaid, len, arg)) < 1) |
ebc9d360 | 376 | return -1; |
ebc9d360 RM |
377 | if (s < 4) |
378 | iaid[3] = '\0'; | |
379 | if (s < 3) | |
380 | iaid[2] = '\0'; | |
381 | if (s < 2) | |
382 | iaid[1] = '\0'; | |
383 | return 0; | |
384 | } | |
385 | ||
c73ed171 RM |
386 | static int |
387 | parse_iaid(uint8_t *iaid, const char *arg, size_t len) | |
388 | { | |
389 | ||
390 | return parse_iaid1(iaid, arg, len, 1); | |
391 | } | |
392 | ||
e5fc8ac4 | 393 | #ifdef AUTH |
c73ed171 RM |
394 | static int |
395 | parse_uint32(uint32_t *i, const char *arg) | |
396 | { | |
397 | ||
398 | return parse_iaid1((uint8_t *)i, arg, sizeof(uint32_t), 0); | |
399 | } | |
e5fc8ac4 | 400 | #endif |
c73ed171 | 401 | |
ba97e494 | 402 | static char ** |
03274c9c | 403 | splitv(int *argc, char **argv, const char *arg) |
ba97e494 | 404 | { |
fa245a4d | 405 | char **n, **v = argv; |
78369646 | 406 | char *o = strdup(arg), *p, *t, *nt; |
ba97e494 | 407 | |
78369646 | 408 | if (o == NULL) { |
94d1ded9 | 409 | logerr(__func__); |
78369646 RM |
410 | return v; |
411 | } | |
ba97e494 RM |
412 | p = o; |
413 | while ((t = strsep(&p, ", "))) { | |
fa245a4d RM |
414 | nt = strdup(t); |
415 | if (nt == NULL) { | |
94d1ded9 | 416 | logerr(__func__); |
8fc52ced RM |
417 | free(o); |
418 | return v; | |
fa245a4d | 419 | } |
62c5b972 | 420 | n = reallocarray(v, (size_t)(*argc) + 1, sizeof(char *)); |
fa245a4d | 421 | if (n == NULL) { |
94d1ded9 | 422 | logerr(__func__); |
8fc52ced RM |
423 | free(o); |
424 | free(nt); | |
425 | return v; | |
fa245a4d RM |
426 | } |
427 | v = n; | |
8fc52ced | 428 | v[(*argc)++] = nt; |
ba97e494 RM |
429 | } |
430 | free(o); | |
00ababe4 | 431 | return v; |
ba97e494 RM |
432 | } |
433 | ||
1f4c1525 | 434 | #ifdef INET |
91a44b91 | 435 | static int |
03274c9c | 436 | parse_addr(struct in_addr *addr, struct in_addr *net, const char *arg) |
91a44b91 RM |
437 | { |
438 | char *p; | |
91a44b91 | 439 | |
2f7cb97c RM |
440 | if (arg == NULL || *arg == '\0') { |
441 | if (addr != NULL) | |
442 | addr->s_addr = 0; | |
443 | if (net != NULL) | |
444 | net->s_addr = 0; | |
91a44b91 | 445 | return 0; |
2f7cb97c | 446 | } |
91a44b91 | 447 | if ((p = strchr(arg, '/')) != NULL) { |
96dbe2c7 RM |
448 | int e; |
449 | intmax_t i; | |
450 | ||
91a44b91 | 451 | *p++ = '\0'; |
96dbe2c7 RM |
452 | i = strtoi(p, NULL, 10, 0, 32, &e); |
453 | if (e != 0 || | |
454 | (net != NULL && inet_cidrtoaddr((int)i, net) != 0)) | |
91a44b91 | 455 | { |
94d1ded9 | 456 | logerrx("`%s' is not a valid CIDR", p); |
91a44b91 RM |
457 | return -1; |
458 | } | |
00ababe4 | 459 | } |
2f7cb97c | 460 | |
91a44b91 | 461 | if (addr != NULL && inet_aton(arg, addr) == 0) { |
94d1ded9 | 462 | logerrx("`%s' is not a valid IP address", arg); |
91a44b91 RM |
463 | return -1; |
464 | } | |
2f7cb97c | 465 | if (p != NULL) |
e095a6eb | 466 | *--p = '/'; |
8fc52ced | 467 | else if (net != NULL && addr != NULL) |
e88c525f | 468 | net->s_addr = ipv4_getnetmask(addr->s_addr); |
91a44b91 | 469 | return 0; |
1f4c1525 | 470 | } |
aae24feb | 471 | #else |
1f4c1525 | 472 | static int |
03274c9c | 473 | parse_addr(__unused struct in_addr *addr, __unused struct in_addr *net, |
1f4c1525 RM |
474 | __unused const char *arg) |
475 | { | |
476 | ||
94d1ded9 | 477 | logerrx("No IPv4 support"); |
aae24feb | 478 | return -1; |
91a44b91 | 479 | } |
1f4c1525 | 480 | #endif |
91a44b91 | 481 | |
18aa94f8 | 482 | static void |
4eb7b489 | 483 | set_option_space(struct dhcpcd_ctx *ctx, |
49b749f0 RM |
484 | const char *arg, |
485 | const struct dhcp_opt **d, size_t *dl, | |
486 | const struct dhcp_opt **od, size_t *odl, | |
d7555c12 | 487 | struct if_options *ifo, |
85bff648 | 488 | uint8_t *request[], uint8_t *require[], uint8_t *no[], uint8_t *reject[]) |
d7555c12 RM |
489 | { |
490 | ||
ca867830 | 491 | #if !defined(INET) && !defined(INET6) |
2be15e88 | 492 | UNUSED(ctx); |
ca867830 RM |
493 | #endif |
494 | ||
aae24feb | 495 | #ifdef INET6 |
2be15e88 RM |
496 | if (strncmp(arg, "nd_", strlen("nd_")) == 0) { |
497 | *d = ctx->nd_opts; | |
498 | *dl = ctx->nd_opts_len; | |
499 | *od = ifo->nd_override; | |
500 | *odl = ifo->nd_override_len; | |
501 | *request = ifo->requestmasknd; | |
502 | *require = ifo->requiremasknd; | |
503 | *no = ifo->nomasknd; | |
504 | *reject = ifo->rejectmasknd; | |
18aa94f8 | 505 | return; |
2be15e88 RM |
506 | } |
507 | ||
a1b1f0a8 | 508 | #ifdef DHCP6 |
d7555c12 | 509 | if (strncmp(arg, "dhcp6_", strlen("dhcp6_")) == 0) { |
4eb7b489 RM |
510 | *d = ctx->dhcp6_opts; |
511 | *dl = ctx->dhcp6_opts_len; | |
49b749f0 RM |
512 | *od = ifo->dhcp6_override; |
513 | *odl = ifo->dhcp6_override_len; | |
d7555c12 RM |
514 | *request = ifo->requestmask6; |
515 | *require = ifo->requiremask6; | |
516 | *no = ifo->nomask6; | |
85bff648 | 517 | *reject = ifo->rejectmask6; |
18aa94f8 | 518 | return; |
d7555c12 | 519 | } |
aae24feb | 520 | #endif |
14b675ed RM |
521 | #else |
522 | UNUSED(arg); | |
a1b1f0a8 | 523 | #endif |
aae24feb RM |
524 | |
525 | #ifdef INET | |
4eb7b489 RM |
526 | *d = ctx->dhcp_opts; |
527 | *dl = ctx->dhcp_opts_len; | |
49b749f0 RM |
528 | *od = ifo->dhcp_override; |
529 | *odl = ifo->dhcp_override_len; | |
aae24feb RM |
530 | #else |
531 | *d = NULL; | |
ae4e592f | 532 | *dl = 0; |
49b749f0 RM |
533 | *od = NULL; |
534 | *odl = 0; | |
aae24feb | 535 | #endif |
d7555c12 RM |
536 | *request = ifo->requestmask; |
537 | *require = ifo->requiremask; | |
538 | *no = ifo->nomask; | |
85bff648 | 539 | *reject = ifo->rejectmask; |
d7555c12 RM |
540 | } |
541 | ||
1cd05a96 | 542 | void |
8e7d8c37 RM |
543 | free_dhcp_opt_embenc(struct dhcp_opt *opt) |
544 | { | |
545 | size_t i; | |
bc22d277 | 546 | struct dhcp_opt *o; |
8e7d8c37 | 547 | |
bc22d277 | 548 | free(opt->var); |
8e7d8c37 | 549 | |
bc22d277 | 550 | for (i = 0, o = opt->embopts; i < opt->embopts_len; i++, o++) |
e877fba7 | 551 | free_dhcp_opt_embenc(o); |
8e7d8c37 RM |
552 | free(opt->embopts); |
553 | opt->embopts_len = 0; | |
554 | opt->embopts = NULL; | |
555 | ||
bc22d277 | 556 | for (i = 0, o = opt->encopts; i < opt->encopts_len; i++, o++) |
e877fba7 | 557 | free_dhcp_opt_embenc(o); |
8e7d8c37 RM |
558 | free(opt->encopts); |
559 | opt->encopts_len = 0; | |
560 | opt->encopts = NULL; | |
561 | } | |
562 | ||
1cd05a96 RM |
563 | static char * |
564 | strwhite(const char *s) | |
565 | { | |
566 | ||
4dd50184 RM |
567 | if (s == NULL) |
568 | return NULL; | |
1cd05a96 RM |
569 | while (*s != ' ' && *s != '\t') { |
570 | if (*s == '\0') | |
571 | return NULL; | |
572 | s++; | |
573 | } | |
574 | return UNCONST(s); | |
575 | } | |
576 | ||
577 | static char * | |
578 | strskipwhite(const char *s) | |
579 | { | |
580 | ||
79f1f126 | 581 | if (s == NULL || *s == '\0') |
4dd50184 | 582 | return NULL; |
1cd05a96 | 583 | while (*s == ' ' || *s == '\t') { |
79f1f126 | 584 | s++; |
1cd05a96 RM |
585 | if (*s == '\0') |
586 | return NULL; | |
1cd05a96 RM |
587 | } |
588 | return UNCONST(s); | |
589 | } | |
590 | ||
e5fc8ac4 | 591 | #ifdef AUTH |
c73ed171 RM |
592 | /* Find the end pointer of a string. */ |
593 | static char * | |
594 | strend(const char *s) | |
595 | { | |
596 | ||
597 | s = strskipwhite(s); | |
598 | if (s == NULL) | |
599 | return NULL; | |
600 | if (*s != '"') | |
601 | return strchr(s, ' '); | |
602 | s++; | |
603 | for (; *s != '"' ; s++) { | |
604 | if (*s == '\0') | |
605 | return NULL; | |
606 | if (*s == '\\') { | |
607 | if (*(++s) == '\0') | |
608 | return NULL; | |
609 | } | |
610 | } | |
611 | return UNCONST(++s); | |
612 | } | |
e5fc8ac4 | 613 | #endif |
c73ed171 | 614 | |
fd05b7dc | 615 | static int |
4eb7b489 RM |
616 | parse_option(struct dhcpcd_ctx *ctx, const char *ifname, struct if_options *ifo, |
617 | int opt, const char *arg, struct dhcp_opt **ldop, struct dhcp_opt **edop) | |
fd05b7dc | 618 | { |
f94b4eab | 619 | int e, i, t; |
a93e79c6 | 620 | long l; |
76bb4d03 | 621 | unsigned long u; |
6df0a6b1 | 622 | char *p = NULL, *bp, *fp, *np; |
fd05b7dc | 623 | ssize_t s; |
e095a6eb | 624 | struct in_addr addr, addr2; |
fa245a4d | 625 | in_addr_t *naddr; |
91a44b91 | 626 | struct rt *rt; |
49b749f0 | 627 | const struct dhcp_opt *d, *od; |
85bff648 | 628 | uint8_t *request, *require, *no, *reject; |
8e7d8c37 | 629 | struct dhcp_opt **dop, *ndop; |
49b749f0 | 630 | size_t *dop_len, dl, odl; |
7a911e57 | 631 | struct vivco *vivco; |
a93e79c6 | 632 | struct group *grp; |
e5fc8ac4 RM |
633 | #ifdef AUTH |
634 | struct token *token; | |
635 | #endif | |
a93e79c6 | 636 | #ifdef _REENTRANT |
a93e79c6 RM |
637 | struct group grpbuf; |
638 | #endif | |
bd762353 | 639 | #ifdef DHCP6 |
1f4c1525 | 640 | size_t sl; |
ebc9d360 RM |
641 | struct if_ia *ia; |
642 | uint8_t iaid[4]; | |
c25b444e | 643 | #ifndef SMALL |
5985c4e2 | 644 | struct if_sla *sla, *slap; |
c25b444e | 645 | #endif |
1f4c1525 | 646 | #endif |
fd05b7dc | 647 | |
8e7d8c37 RM |
648 | dop = NULL; |
649 | dop_len = NULL; | |
7a02120f RM |
650 | #ifdef INET6 |
651 | i = 0; | |
652 | #endif | |
6bcb242d RM |
653 | |
654 | /* Add a guard for static analysers. | |
655 | * This should not be needed really because of the argument_required option | |
656 | * in the options declaration above. */ | |
657 | #define ARG_REQUIRED if (arg == NULL) goto arg_required | |
658 | ||
fd05b7dc | 659 | switch(opt) { |
5e2062a4 | 660 | case 'f': /* FALLTHROUGH */ |
6bfd88f1 | 661 | case 'g': /* FALLTHROUGH */ |
da166178 | 662 | case 'n': /* FALLTHROUGH */ |
03274c9c | 663 | case 'q': /* FALLTHROUGH */ |
da166178 | 664 | case 'x': /* FALLTHROUGH */ |
56a66017 | 665 | case 'N': /* FALLTHROUGH */ |
c31b1719 | 666 | case 'P': /* FALLTHROUGH */ |
dc60cba4 | 667 | case 'T': /* FALLTHROUGH */ |
b7f5d1db RM |
668 | case 'U': /* FALLTHROUGH */ |
669 | case 'V': /* We need to handle non interface options */ | |
fd05b7dc | 670 | break; |
03c2c879 RM |
671 | case 'b': |
672 | ifo->options |= DHCPCD_BACKGROUND; | |
673 | break; | |
fd05b7dc | 674 | case 'c': |
6bcb242d | 675 | ARG_REQUIRED; |
b06b1423 RM |
676 | if (ifname != NULL) { |
677 | logerrx("%s: per interface scripts" | |
678 | " are no longer supported", | |
679 | ifname); | |
680 | return -1; | |
681 | } | |
682 | if (ctx->script != dhcpcd_default_script) | |
683 | free(ctx->script); | |
e2357d5e | 684 | s = parse_nstring(NULL, 0, arg); |
a497e79a | 685 | if (s == 0) { |
b06b1423 | 686 | ctx->script = NULL; |
fc281aed RM |
687 | break; |
688 | } | |
a497e79a | 689 | dl = (size_t)s; |
b06b1423 RM |
690 | if (s == -1 || (ctx->script = malloc(dl)) == NULL) { |
691 | ctx->script = NULL; | |
94d1ded9 | 692 | logerr(__func__); |
a497e79a RM |
693 | return -1; |
694 | } | |
b06b1423 | 695 | s = parse_nstring(ctx->script, dl, arg); |
70c3bba3 | 696 | if (s == -1 || |
b06b1423 RM |
697 | ctx->script[0] == '\0' || |
698 | strcmp(ctx->script, "/dev/null") == 0) | |
a497e79a | 699 | { |
b06b1423 RM |
700 | free(ctx->script); |
701 | ctx->script = NULL; | |
a497e79a | 702 | } |
fd05b7dc | 703 | break; |
acb1cf88 RM |
704 | case 'd': |
705 | ifo->options |= DHCPCD_DEBUG; | |
706 | break; | |
6bfd88f1 | 707 | case 'e': |
6bcb242d | 708 | ARG_REQUIRED; |
6df0a6b1 | 709 | add_environ(&ifo->environ, arg, 1); |
6bfd88f1 | 710 | break; |
fd05b7dc | 711 | case 'h': |
cc3c3560 RM |
712 | if (!arg) { |
713 | ifo->options |= DHCPCD_HOSTNAME; | |
714 | break; | |
715 | } | |
e2357d5e | 716 | s = parse_nstring(ifo->hostname, sizeof(ifo->hostname), arg); |
cc3c3560 | 717 | if (s == -1) { |
94d1ded9 | 718 | logerr("%s: hostname", __func__); |
cc3c3560 RM |
719 | return -1; |
720 | } | |
721 | if (s != 0 && ifo->hostname[0] == '.') { | |
94d1ded9 | 722 | logerrx("hostname cannot begin with ."); |
cc3c3560 | 723 | return -1; |
fd05b7dc | 724 | } |
ed913a59 RM |
725 | if (ifo->hostname[0] == '\0') |
726 | ifo->options &= ~DHCPCD_HOSTNAME; | |
727 | else | |
728 | ifo->options |= DHCPCD_HOSTNAME; | |
fd05b7dc RM |
729 | break; |
730 | case 'i': | |
731 | if (arg) | |
732 | s = parse_string((char *)ifo->vendorclassid + 1, | |
eab2229c | 733 | VENDORCLASSID_MAX_LEN, arg); |
fd05b7dc RM |
734 | else |
735 | s = 0; | |
736 | if (s == -1) { | |
94d1ded9 | 737 | logerr("vendorclassid"); |
fd05b7dc RM |
738 | return -1; |
739 | } | |
740 | *ifo->vendorclassid = (uint8_t)s; | |
741 | break; | |
94d1ded9 RM |
742 | case 'j': |
743 | ARG_REQUIRED; | |
744 | /* per interface logging is not supported | |
745 | * don't want to overide the commandline */ | |
746 | if (ifname == NULL && ctx->logfile == NULL) { | |
747 | logclose(); | |
748 | ctx->logfile = strdup(arg); | |
749 | logopen(ctx->logfile); | |
750 | } | |
751 | break; | |
2662d519 RM |
752 | case 'k': |
753 | ifo->options |= DHCPCD_RELEASE; | |
754 | break; | |
fd05b7dc | 755 | case 'l': |
6bcb242d | 756 | ARG_REQUIRED; |
f94b4eab RM |
757 | ifo->leasetime = (uint32_t)strtou(arg, NULL, |
758 | 0, 0, UINT32_MAX, &e); | |
759 | if (e) { | |
94d1ded9 | 760 | logerrx("failed to convert leasetime %s", arg); |
fd05b7dc RM |
761 | return -1; |
762 | } | |
763 | break; | |
764 | case 'm': | |
6bcb242d | 765 | ARG_REQUIRED; |
f94b4eab RM |
766 | ifo->metric = (int)strtoi(arg, NULL, 0, 0, INT32_MAX, &e); |
767 | if (e) { | |
94d1ded9 | 768 | logerrx("failed to convert metric %s", arg); |
fd05b7dc RM |
769 | return -1; |
770 | } | |
771 | break; | |
772 | case 'o': | |
6bcb242d | 773 | ARG_REQUIRED; |
18aa94f8 | 774 | set_option_space(ctx, arg, &d, &dl, &od, &odl, ifo, |
85bff648 | 775 | &request, &require, &no, &reject); |
49b749f0 | 776 | if (make_option_mask(d, dl, od, odl, request, arg, 1) != 0 || |
85bff648 RM |
777 | make_option_mask(d, dl, od, odl, no, arg, -1) != 0 || |
778 | make_option_mask(d, dl, od, odl, reject, arg, -1) != 0) | |
779 | { | |
94d1ded9 | 780 | logerrx("unknown option `%s'", arg); |
85bff648 RM |
781 | return -1; |
782 | } | |
783 | break; | |
784 | case O_REJECT: | |
6bcb242d | 785 | ARG_REQUIRED; |
18aa94f8 | 786 | set_option_space(ctx, arg, &d, &dl, &od, &odl, ifo, |
85bff648 RM |
787 | &request, &require, &no, &reject); |
788 | if (make_option_mask(d, dl, od, odl, reject, arg, 1) != 0 || | |
789 | make_option_mask(d, dl, od, odl, request, arg, -1) != 0 || | |
790 | make_option_mask(d, dl, od, odl, require, arg, -1) != 0) | |
ee56a47d | 791 | { |
94d1ded9 | 792 | logerrx("unknown option `%s'", arg); |
fd05b7dc RM |
793 | return -1; |
794 | } | |
795 | break; | |
796 | case 'p': | |
797 | ifo->options |= DHCPCD_PERSISTENT; | |
798 | break; | |
2f7cb97c | 799 | case 'r': |
03274c9c | 800 | if (parse_addr(&ifo->req_addr, NULL, arg) != 0) |
2f7cb97c | 801 | return -1; |
5b39d8f5 | 802 | ifo->options |= DHCPCD_REQUEST; |
2f7cb97c RM |
803 | ifo->req_mask.s_addr = 0; |
804 | break; | |
fd05b7dc | 805 | case 's': |
2f7cb97c | 806 | if (arg && *arg != '\0') { |
6dc3763d RM |
807 | /* Strip out a broadcast address */ |
808 | p = strchr(arg, '/'); | |
809 | if (p != NULL) { | |
810 | p = strchr(p + 1, '/'); | |
811 | if (p != NULL) | |
812 | *p = '\0'; | |
813 | } | |
814 | i = parse_addr(&ifo->req_addr, &ifo->req_mask, arg); | |
815 | if (p != NULL) { | |
816 | /* Ensure the original string is preserved */ | |
817 | *p++ = '/'; | |
818 | if (i == 0) | |
819 | i = parse_addr(&ifo->req_brd, NULL, p); | |
820 | } | |
821 | if (i != 0) | |
91a44b91 | 822 | return -1; |
2f7cb97c RM |
823 | } else { |
824 | ifo->req_addr.s_addr = 0; | |
825 | ifo->req_mask.s_addr = 0; | |
fd05b7dc | 826 | } |
5b39d8f5 | 827 | ifo->options |= DHCPCD_INFORM | DHCPCD_PERSISTENT; |
10e16029 | 828 | ifo->options &= ~DHCPCD_STATIC; |
91a44b91 | 829 | break; |
567a2357 RM |
830 | case O_INFORM6: |
831 | ifo->options |= DHCPCD_INFORM6; | |
832 | break; | |
fd05b7dc | 833 | case 't': |
6bcb242d | 834 | ARG_REQUIRED; |
826d1f25 | 835 | ifo->timeout = (uint32_t)strtou(arg, NULL, 0, 0, UINT32_MAX, &e); |
f94b4eab | 836 | if (e) { |
94d1ded9 | 837 | logerrx("failed to convert timeout %s", arg); |
fd05b7dc RM |
838 | return -1; |
839 | } | |
840 | break; | |
841 | case 'u': | |
e2357d5e | 842 | dl = sizeof(ifo->userclass) - ifo->userclass[0] - 1; |
eab2229c | 843 | s = parse_string((char *)ifo->userclass + |
e2357d5e | 844 | ifo->userclass[0] + 2, dl, arg); |
fd05b7dc | 845 | if (s == -1) { |
94d1ded9 | 846 | logerr("userclass"); |
fd05b7dc RM |
847 | return -1; |
848 | } | |
849 | if (s != 0) { | |
34457fe6 | 850 | ifo->userclass[ifo->userclass[0] + 1] = (uint8_t)s; |
d7a4dcf9 | 851 | ifo->userclass[0] = (uint8_t)(ifo->userclass[0] + s +1); |
fd05b7dc RM |
852 | } |
853 | break; | |
9275b105 RM |
854 | #ifndef SMALL |
855 | case O_MSUSERCLASS: | |
856 | /* Some Microsoft DHCP servers expect userclass to be an | |
857 | * opaque blob. This is not RFC 3004 compliant. */ | |
858 | s = parse_string((char *)ifo->userclass + 1, | |
859 | sizeof(ifo->userclass) - 1, arg); | |
860 | if (s == -1) { | |
861 | logerr("msuserclass"); | |
862 | return -1; | |
863 | } | |
864 | ifo->userclass[0] = (uint8_t)s; | |
865 | break; | |
866 | #endif | |
fd05b7dc | 867 | case 'v': |
6bcb242d | 868 | ARG_REQUIRED; |
fd05b7dc RM |
869 | p = strchr(arg, ','); |
870 | if (!p || !p[1]) { | |
94d1ded9 | 871 | logerrx("invalid vendor format: %s", arg); |
fd05b7dc RM |
872 | return -1; |
873 | } | |
95d6dcfa RM |
874 | |
875 | /* If vendor starts with , then it is not encapsulated */ | |
876 | if (p == arg) { | |
877 | arg++; | |
878 | s = parse_string((char *)ifo->vendor + 1, | |
879 | VENDOR_MAX_LEN, arg); | |
880 | if (s == -1) { | |
94d1ded9 | 881 | logerr("vendor"); |
95d6dcfa RM |
882 | return -1; |
883 | } | |
884 | ifo->vendor[0] = (uint8_t)s; | |
885 | ifo->options |= DHCPCD_VENDORRAW; | |
886 | break; | |
887 | } | |
888 | ||
889 | /* Encapsulated vendor options */ | |
890 | if (ifo->options & DHCPCD_VENDORRAW) { | |
891 | ifo->options &= ~DHCPCD_VENDORRAW; | |
892 | ifo->vendor[0] = 0; | |
893 | } | |
894 | ||
d7a4dcf9 RM |
895 | /* Strip and preserve the comma */ |
896 | *p = '\0'; | |
f94b4eab | 897 | i = (int)strtoi(arg, NULL, 0, 1, 254, &e); |
d7a4dcf9 | 898 | *p = ','; |
f94b4eab | 899 | if (e) { |
94d1ded9 | 900 | logerrx("vendor option should be between" |
eab2229c | 901 | " 1 and 254 inclusive"); |
fd05b7dc RM |
902 | return -1; |
903 | } | |
b357d09f RM |
904 | |
905 | arg = p + 1; | |
fd05b7dc RM |
906 | s = VENDOR_MAX_LEN - ifo->vendor[0] - 2; |
907 | if (inet_aton(arg, &addr) == 1) { | |
908 | if (s < 6) { | |
909 | s = -1; | |
910 | errno = ENOBUFS; | |
aeddc61a | 911 | } else { |
fd05b7dc | 912 | memcpy(ifo->vendor + ifo->vendor[0] + 3, |
eab2229c | 913 | &addr.s_addr, sizeof(addr.s_addr)); |
aeddc61a RM |
914 | s = sizeof(addr.s_addr); |
915 | } | |
fd05b7dc | 916 | } else { |
eab2229c | 917 | s = parse_string((char *)ifo->vendor + |
34457fe6 | 918 | ifo->vendor[0] + 3, (size_t)s, arg); |
fd05b7dc RM |
919 | } |
920 | if (s == -1) { | |
94d1ded9 | 921 | logerr("vendor"); |
fd05b7dc RM |
922 | return -1; |
923 | } | |
924 | if (s != 0) { | |
34457fe6 RM |
925 | ifo->vendor[ifo->vendor[0] + 1] = (uint8_t)i; |
926 | ifo->vendor[ifo->vendor[0] + 2] = (uint8_t)s; | |
d7a4dcf9 | 927 | ifo->vendor[0] = (uint8_t)(ifo->vendor[0] + s + 2); |
fd05b7dc RM |
928 | } |
929 | break; | |
2a07a2af RM |
930 | case 'w': |
931 | ifo->options |= DHCPCD_WAITIP; | |
7013b073 RM |
932 | if (arg != NULL && arg[0] != '\0') { |
933 | if (arg[0] == '4' || arg[1] == '4') | |
934 | ifo->options |= DHCPCD_WAITIP4; | |
935 | if (arg[0] == '6' || arg[1] == '6') | |
936 | ifo->options |= DHCPCD_WAITIP6; | |
937 | } | |
2a07a2af | 938 | break; |
a2a9a498 | 939 | case 'y': |
6bcb242d | 940 | ARG_REQUIRED; |
826d1f25 | 941 | ifo->reboot = (uint32_t)strtou(arg, NULL, 0, 0, UINT32_MAX, &e); |
f94b4eab | 942 | if (e) { |
94d1ded9 | 943 | logerr("failed to convert reboot %s", arg); |
a2a9a498 RM |
944 | return -1; |
945 | } | |
946 | break; | |
d3088c74 | 947 | case 'z': |
6bcb242d | 948 | ARG_REQUIRED; |
4eb7b489 | 949 | if (ifname == NULL) |
03274c9c | 950 | ctx->ifav = splitv(&ctx->ifac, ctx->ifav, arg); |
d3088c74 | 951 | break; |
fd05b7dc RM |
952 | case 'A': |
953 | ifo->options &= ~DHCPCD_ARP; | |
954 | /* IPv4LL requires ARP */ | |
955 | ifo->options &= ~DHCPCD_IPV4LL; | |
956 | break; | |
03c2c879 RM |
957 | case 'B': |
958 | ifo->options &= ~DHCPCD_DAEMONISE; | |
959 | break; | |
fd05b7dc | 960 | case 'C': |
6bcb242d | 961 | ARG_REQUIRED; |
fd05b7dc RM |
962 | /* Commas to spaces for shell */ |
963 | while ((p = strchr(arg, ','))) | |
964 | *p = ' '; | |
34457fe6 RM |
965 | dl = strlen("skip_hooks=") + strlen(arg) + 1; |
966 | p = malloc(sizeof(char) * dl); | |
28382337 | 967 | if (p == NULL) { |
94d1ded9 | 968 | logerr(__func__); |
28382337 RM |
969 | return -1; |
970 | } | |
34457fe6 | 971 | snprintf(p, dl, "skip_hooks=%s", arg); |
6df0a6b1 | 972 | add_environ(&ifo->environ, p, 0); |
fd05b7dc RM |
973 | free(p); |
974 | break; | |
975 | case 'D': | |
c989b023 | 976 | ifo->options |= DHCPCD_CLIENTID | DHCPCD_DUID; |
fd05b7dc RM |
977 | break; |
978 | case 'E': | |
979 | ifo->options |= DHCPCD_LASTLEASE; | |
980 | break; | |
981 | case 'F': | |
982 | if (!arg) { | |
983 | ifo->fqdn = FQDN_BOTH; | |
984 | break; | |
985 | } | |
986 | if (strcmp(arg, "none") == 0) | |
987 | ifo->fqdn = FQDN_NONE; | |
988 | else if (strcmp(arg, "ptr") == 0) | |
989 | ifo->fqdn = FQDN_PTR; | |
990 | else if (strcmp(arg, "both") == 0) | |
991 | ifo->fqdn = FQDN_BOTH; | |
992 | else if (strcmp(arg, "disable") == 0) | |
993 | ifo->fqdn = FQDN_DISABLE; | |
994 | else { | |
94d1ded9 | 995 | logerrx("invalid value `%s' for FQDN", arg); |
fd05b7dc RM |
996 | return -1; |
997 | } | |
998 | break; | |
feb553d0 RM |
999 | case 'G': |
1000 | ifo->options &= ~DHCPCD_GATEWAY; | |
1001 | break; | |
4242c9b3 RM |
1002 | case 'H': |
1003 | ifo->options |= DHCPCD_XID_HWADDR; | |
1004 | break; | |
fd05b7dc RM |
1005 | case 'I': |
1006 | /* Strings have a type of 0 */; | |
1007 | ifo->clientid[1] = 0; | |
1008 | if (arg) | |
f8ea60a1 RM |
1009 | s = parse_hwaddr((char *)ifo->clientid + 1, |
1010 | CLIENTID_MAX_LEN, arg); | |
fd05b7dc RM |
1011 | else |
1012 | s = 0; | |
1013 | if (s == -1) { | |
94d1ded9 | 1014 | logerr("clientid"); |
fd05b7dc RM |
1015 | return -1; |
1016 | } | |
c989b023 | 1017 | ifo->options |= DHCPCD_CLIENTID; |
fd05b7dc | 1018 | ifo->clientid[0] = (uint8_t)s; |
fd05b7dc | 1019 | break; |
900b3da4 RM |
1020 | case 'J': |
1021 | ifo->options |= DHCPCD_BROADCAST; | |
1022 | break; | |
fd05b7dc RM |
1023 | case 'K': |
1024 | ifo->options &= ~DHCPCD_LINK; | |
1025 | break; | |
1026 | case 'L': | |
1027 | ifo->options &= ~DHCPCD_IPV4LL; | |
1028 | break; | |
b3174181 RM |
1029 | case 'M': |
1030 | ifo->options |= DHCPCD_MASTER; | |
1031 | break; | |
fd05b7dc | 1032 | case 'O': |
6bcb242d | 1033 | ARG_REQUIRED; |
18aa94f8 | 1034 | set_option_space(ctx, arg, &d, &dl, &od, &odl, ifo, |
85bff648 | 1035 | &request, &require, &no, &reject); |
49b749f0 RM |
1036 | if (make_option_mask(d, dl, od, odl, request, arg, -1) != 0 || |
1037 | make_option_mask(d, dl, od, odl, require, arg, -1) != 0 || | |
1038 | make_option_mask(d, dl, od, odl, no, arg, 1) != 0) | |
fd05b7dc | 1039 | { |
94d1ded9 | 1040 | logerrx("unknown option `%s'", arg); |
fd05b7dc RM |
1041 | return -1; |
1042 | } | |
1043 | break; | |
1044 | case 'Q': | |
6bcb242d | 1045 | ARG_REQUIRED; |
18aa94f8 | 1046 | set_option_space(ctx, arg, &d, &dl, &od, &odl, ifo, |
85bff648 | 1047 | &request, &require, &no, &reject); |
49b749f0 RM |
1048 | if (make_option_mask(d, dl, od, odl, require, arg, 1) != 0 || |
1049 | make_option_mask(d, dl, od, odl, request, arg, 1) != 0 || | |
85bff648 RM |
1050 | make_option_mask(d, dl, od, odl, no, arg, -1) != 0 || |
1051 | make_option_mask(d, dl, od, odl, reject, arg, -1) != 0) | |
fd05b7dc | 1052 | { |
94d1ded9 | 1053 | logerrx("unknown option `%s'", arg); |
fd05b7dc RM |
1054 | return -1; |
1055 | } | |
1056 | break; | |
91a44b91 | 1057 | case 'S': |
6bcb242d | 1058 | ARG_REQUIRED; |
91a44b91 RM |
1059 | p = strchr(arg, '='); |
1060 | if (p == NULL) { | |
94d1ded9 | 1061 | logerrx("static assignment required"); |
91a44b91 RM |
1062 | return -1; |
1063 | } | |
1064 | p++; | |
1065 | if (strncmp(arg, "ip_address=", strlen("ip_address=")) == 0) { | |
03274c9c | 1066 | if (parse_addr(&ifo->req_addr, |
776961cf RM |
1067 | ifo->req_mask.s_addr == 0 ? &ifo->req_mask : NULL, |
1068 | p) != 0) | |
91a44b91 RM |
1069 | return -1; |
1070 | ||
1071 | ifo->options |= DHCPCD_STATIC; | |
fa8b2a7a | 1072 | ifo->options &= ~DHCPCD_INFORM; |
069e2f28 RM |
1073 | } else if (strncmp(arg, "subnet_mask=", |
1074 | strlen("subnet_mask=")) == 0) | |
1075 | { | |
03274c9c | 1076 | if (parse_addr(&ifo->req_mask, NULL, p) != 0) |
776961cf | 1077 | return -1; |
6dc3763d RM |
1078 | } else if (strncmp(arg, "broadcast_address=", |
1079 | strlen("broadcast_address=")) == 0) | |
1080 | { | |
1081 | if (parse_addr(&ifo->req_brd, NULL, p) != 0) | |
1082 | return -1; | |
91a44b91 | 1083 | } else if (strncmp(arg, "routes=", strlen("routes=")) == 0 || |
069e2f28 RM |
1084 | strncmp(arg, "static_routes=", |
1085 | strlen("static_routes=")) == 0 || | |
1086 | strncmp(arg, "classless_static_routes=", | |
1087 | strlen("classless_static_routes=")) == 0 || | |
1088 | strncmp(arg, "ms_classless_static_routes=", | |
1089 | strlen("ms_classless_static_routes=")) == 0) | |
91a44b91 | 1090 | { |
9aa11487 RM |
1091 | struct in_addr addr3; |
1092 | ||
1cd05a96 | 1093 | fp = np = strwhite(p); |
91a44b91 | 1094 | if (np == NULL) { |
94d1ded9 | 1095 | logerrx("all routes need a gateway"); |
91a44b91 RM |
1096 | return -1; |
1097 | } | |
1098 | *np++ = '\0'; | |
1cd05a96 | 1099 | np = strskipwhite(np); |
03274c9c RM |
1100 | if (parse_addr(&addr, &addr2, p) == -1 || |
1101 | parse_addr(&addr3, NULL, np) == -1) | |
9aa11487 | 1102 | { |
4c9c4b3e RM |
1103 | *fp = ' '; |
1104 | return -1; | |
91a44b91 | 1105 | } |
696dcaa4 RM |
1106 | *fp = ' '; |
1107 | if ((rt = rt_new0(ctx)) == NULL) | |
91a44b91 | 1108 | return -1; |
9aa11487 RM |
1109 | sa_in_init(&rt->rt_dest, &addr); |
1110 | sa_in_init(&rt->rt_netmask, &addr2); | |
1111 | sa_in_init(&rt->rt_gateway, &addr3); | |
960abfd2 | 1112 | if (rt_proto_add_ctx(&ifo->routes, rt, ctx)) |
696dcaa4 | 1113 | add_environ(&ifo->config, arg, 0); |
91a44b91 | 1114 | } else if (strncmp(arg, "routers=", strlen("routers=")) == 0) { |
03274c9c | 1115 | if (parse_addr(&addr, NULL, p) == -1) |
4c9c4b3e | 1116 | return -1; |
77cdf115 | 1117 | if ((rt = rt_new0(ctx)) == NULL) |
91a44b91 | 1118 | return -1; |
9aa11487 RM |
1119 | addr2.s_addr = INADDR_ANY; |
1120 | sa_in_init(&rt->rt_dest, &addr2); | |
1121 | sa_in_init(&rt->rt_netmask, &addr2); | |
1122 | sa_in_init(&rt->rt_gateway, &addr); | |
960abfd2 | 1123 | if (rt_proto_add_ctx(&ifo->routes, rt, ctx)) |
696dcaa4 | 1124 | add_environ(&ifo->config, arg, 0); |
afcd7cbd RM |
1125 | } else if (strncmp(arg, "interface_mtu=", |
1126 | strlen("interface_mtu=")) == 0 || | |
1127 | strncmp(arg, "mtu=", strlen("mtu=")) == 0) | |
1128 | { | |
1129 | ifo->mtu = (unsigned int)strtou(p, NULL, 0, | |
1130 | MTU_MIN, MTU_MAX, &e); | |
1131 | if (e) { | |
94d1ded9 | 1132 | logerrx("invalid MTU %s", p); |
afcd7cbd RM |
1133 | return -1; |
1134 | } | |
408fe755 RM |
1135 | } else if (strncmp(arg, "ip6_address=", strlen("ip6_address=")) == 0) { |
1136 | np = strchr(p, '/'); | |
1137 | if (np) | |
1138 | *np++ = '\0'; | |
c1993f92 | 1139 | if ((i = inet_pton(AF_INET6, p, &ifo->req_addr6)) == 1) { |
408fe755 RM |
1140 | if (np) { |
1141 | ifo->req_prefix_len = (uint8_t)strtou(np, | |
1142 | NULL, 0, 0, 128, &e); | |
1143 | if (e) { | |
94d1ded9 | 1144 | logerrx("%s: failed to " |
408fe755 RM |
1145 | "convert prefix len", |
1146 | ifname); | |
1147 | return -1; | |
1148 | } | |
1149 | } else | |
1150 | ifo->req_prefix_len = 128; | |
1151 | } | |
c1993f92 RM |
1152 | if (np) |
1153 | *(--np) = '\0'; | |
1154 | if (i != 1) { | |
1155 | logerrx("invalid AF_INET6: %s", p); | |
1156 | memset(&ifo->req_addr6, 0, | |
1157 | sizeof(ifo->req_addr6)); | |
1158 | return -1; | |
1159 | } | |
6df0a6b1 RM |
1160 | } else |
1161 | add_environ(&ifo->config, arg, 1); | |
91a44b91 | 1162 | break; |
bf80d526 | 1163 | case 'W': |
03274c9c | 1164 | if (parse_addr(&addr, &addr2, arg) != 0) |
bf80d526 RM |
1165 | return -1; |
1166 | if (strchr(arg, '/') == NULL) | |
1167 | addr2.s_addr = INADDR_BROADCAST; | |
62c5b972 RM |
1168 | naddr = reallocarray(ifo->whitelist, |
1169 | ifo->whitelist_len + 2, sizeof(in_addr_t)); | |
fa245a4d | 1170 | if (naddr == NULL) { |
94d1ded9 | 1171 | logerr(__func__); |
fa245a4d RM |
1172 | return -1; |
1173 | } | |
1174 | ifo->whitelist = naddr; | |
bf80d526 RM |
1175 | ifo->whitelist[ifo->whitelist_len++] = addr.s_addr; |
1176 | ifo->whitelist[ifo->whitelist_len++] = addr2.s_addr; | |
1177 | break; | |
fd05b7dc | 1178 | case 'X': |
03274c9c | 1179 | if (parse_addr(&addr, &addr2, arg) != 0) |
fd05b7dc | 1180 | return -1; |
ce6b39df RM |
1181 | if (strchr(arg, '/') == NULL) |
1182 | addr2.s_addr = INADDR_BROADCAST; | |
62c5b972 RM |
1183 | naddr = reallocarray(ifo->blacklist, |
1184 | ifo->blacklist_len + 2, sizeof(in_addr_t)); | |
fa245a4d | 1185 | if (naddr == NULL) { |
94d1ded9 | 1186 | logerr(__func__); |
fa245a4d RM |
1187 | return -1; |
1188 | } | |
1189 | ifo->blacklist = naddr; | |
e095a6eb RM |
1190 | ifo->blacklist[ifo->blacklist_len++] = addr.s_addr; |
1191 | ifo->blacklist[ifo->blacklist_len++] = addr2.s_addr; | |
fd05b7dc | 1192 | break; |
d3088c74 | 1193 | case 'Z': |
6bcb242d | 1194 | ARG_REQUIRED; |
4eb7b489 | 1195 | if (ifname == NULL) |
03274c9c | 1196 | ctx->ifdv = splitv(&ctx->ifdc, ctx->ifdv, arg); |
d3088c74 | 1197 | break; |
df574999 RM |
1198 | case '1': |
1199 | ifo->options |= DHCPCD_ONESHOT; | |
1200 | break; | |
d7555c12 | 1201 | case '4': |
2f0addfd | 1202 | ifo->options &= ~DHCPCD_IPV6; |
d7555c12 RM |
1203 | ifo->options |= DHCPCD_IPV4; |
1204 | break; | |
1205 | case '6': | |
1206 | ifo->options &= ~DHCPCD_IPV4; | |
2f0addfd | 1207 | ifo->options |= DHCPCD_IPV6; |
d7555c12 | 1208 | break; |
94bec972 RM |
1209 | case O_IPV4: |
1210 | ifo->options |= DHCPCD_IPV4; | |
1211 | break; | |
bb8051bf RM |
1212 | case O_NOIPV4: |
1213 | ifo->options &= ~DHCPCD_IPV4; | |
1214 | break; | |
94bec972 RM |
1215 | case O_IPV6: |
1216 | ifo->options |= DHCPCD_IPV6; | |
1217 | break; | |
bb8051bf RM |
1218 | case O_NOIPV6: |
1219 | ifo->options &= ~DHCPCD_IPV6; | |
68f04fa8 RM |
1220 | break; |
1221 | case O_ANONYMOUS: | |
1222 | ifo->options |= DHCPCD_ANONYMOUS; | |
1223 | ifo->options &= ~DHCPCD_HOSTNAME; | |
1224 | ifo->fqdn = FQDN_DISABLE; | |
1225 | ||
1226 | /* Block everything */ | |
1227 | memset(ifo->nomask, 0xff, sizeof(ifo->nomask)); | |
1228 | memset(ifo->nomask6, 0xff, sizeof(ifo->nomask6)); | |
1229 | ||
1230 | /* Allow the bare minimum through */ | |
14b675ed | 1231 | #ifdef INET |
68f04fa8 RM |
1232 | del_option_mask(ifo->nomask, DHO_SUBNETMASK); |
1233 | del_option_mask(ifo->nomask, DHO_CSR); | |
1234 | del_option_mask(ifo->nomask, DHO_ROUTER); | |
1235 | del_option_mask(ifo->nomask, DHO_DNSSERVER); | |
3eaf2905 | 1236 | del_option_mask(ifo->nomask, DHO_DNSDOMAIN); |
68f04fa8 RM |
1237 | del_option_mask(ifo->nomask, DHO_BROADCAST); |
1238 | del_option_mask(ifo->nomask, DHO_STATICROUTE); | |
1239 | del_option_mask(ifo->nomask, DHO_SERVERID); | |
1240 | del_option_mask(ifo->nomask, DHO_RENEWALTIME); | |
1241 | del_option_mask(ifo->nomask, DHO_REBINDTIME); | |
1242 | del_option_mask(ifo->nomask, DHO_DNSSEARCH); | |
14b675ed | 1243 | #endif |
68f04fa8 | 1244 | |
14b675ed | 1245 | #ifdef INET6 |
68f04fa8 RM |
1246 | del_option_mask(ifo->nomask6, D6_OPTION_DNS_SERVERS); |
1247 | del_option_mask(ifo->nomask6, D6_OPTION_DOMAIN_LIST); | |
1248 | del_option_mask(ifo->nomask6, D6_OPTION_SOL_MAX_RT); | |
1249 | del_option_mask(ifo->nomask6, D6_OPTION_INF_MAX_RT); | |
14b675ed | 1250 | #endif |
68f04fa8 | 1251 | |
bb8051bf | 1252 | break; |
aae24feb | 1253 | #ifdef INET |
4ca7460f | 1254 | case O_ARPING: |
79f1f126 | 1255 | while (arg != NULL) { |
48ac077b RM |
1256 | fp = strwhite(arg); |
1257 | if (fp) | |
1258 | *fp++ = '\0'; | |
03274c9c | 1259 | if (parse_addr(&addr, NULL, arg) != 0) |
48ac077b | 1260 | return -1; |
62c5b972 RM |
1261 | naddr = reallocarray(ifo->arping, |
1262 | (size_t)ifo->arping_len + 1, sizeof(in_addr_t)); | |
48ac077b | 1263 | if (naddr == NULL) { |
94d1ded9 | 1264 | logerr(__func__); |
48ac077b RM |
1265 | return -1; |
1266 | } | |
1267 | ifo->arping = naddr; | |
1268 | ifo->arping[ifo->arping_len++] = addr.s_addr; | |
4dd50184 | 1269 | arg = strskipwhite(fp); |
fa245a4d | 1270 | } |
4ca7460f | 1271 | break; |
41c60e02 | 1272 | case O_DESTINATION: |
6bcb242d | 1273 | ARG_REQUIRED; |
18aa94f8 | 1274 | set_option_space(ctx, arg, &d, &dl, &od, &odl, ifo, |
85bff648 | 1275 | &request, &require, &no, &reject); |
49b749f0 RM |
1276 | if (make_option_mask(d, dl, od, odl, |
1277 | ifo->dstmask, arg, 2) != 0) | |
1278 | { | |
41c60e02 | 1279 | if (errno == EINVAL) |
94d1ded9 | 1280 | logerrx("option `%s' does not take" |
41c60e02 RM |
1281 | " an IPv4 address", arg); |
1282 | else | |
94d1ded9 | 1283 | logerrx("unknown option `%s'", arg); |
41c60e02 RM |
1284 | return -1; |
1285 | } | |
1286 | break; | |
ff021b0b | 1287 | case O_FALLBACK: |
6bcb242d | 1288 | ARG_REQUIRED; |
ff021b0b | 1289 | free(ifo->fallback); |
78369646 RM |
1290 | ifo->fallback = strdup(arg); |
1291 | if (ifo->fallback == NULL) { | |
94d1ded9 | 1292 | logerrx(__func__); |
00ababe4 | 1293 | return -1; |
78369646 | 1294 | } |
ff021b0b | 1295 | break; |
aae24feb | 1296 | #endif |
ebc9d360 | 1297 | case O_IAID: |
6bcb242d | 1298 | ARG_REQUIRED; |
9ff636a5 | 1299 | if (ifname == NULL) { |
94d1ded9 | 1300 | logerrx("IAID must belong in an interface block"); |
9ff636a5 RM |
1301 | return -1; |
1302 | } | |
069e2f28 | 1303 | if (parse_iaid(ifo->iaid, arg, sizeof(ifo->iaid)) == -1) { |
94d1ded9 | 1304 | logerrx("invalid IAID %s", arg); |
ebc9d360 | 1305 | return -1; |
069e2f28 | 1306 | } |
ebc9d360 | 1307 | ifo->options |= DHCPCD_IAID; |
563a421c | 1308 | break; |
eebe9a18 RM |
1309 | case O_IPV6RS: |
1310 | ifo->options |= DHCPCD_IPV6RS; | |
1311 | break; | |
91cd7324 | 1312 | case O_NOIPV6RS: |
61dd6cf9 RM |
1313 | ifo->options &= ~DHCPCD_IPV6RS; |
1314 | break; | |
eebe9a18 | 1315 | case O_IPV6RA_FORK: |
61dd6cf9 | 1316 | ifo->options &= ~DHCPCD_IPV6RA_REQRDNSS; |
91cd7324 | 1317 | break; |
62f12387 RM |
1318 | case O_IPV6RA_AUTOCONF: |
1319 | ifo->options |= DHCPCD_IPV6RA_AUTOCONF; | |
1320 | break; | |
1321 | case O_IPV6RA_NOAUTOCONF: | |
1322 | ifo->options &= ~DHCPCD_IPV6RA_AUTOCONF; | |
1323 | break; | |
7dab081f RM |
1324 | case O_NOALIAS: |
1325 | ifo->options |= DHCPCD_NOALIAS; | |
1326 | break; | |
bd762353 | 1327 | #ifdef DHCP6 |
00ababe4 RM |
1328 | case O_IA_NA: |
1329 | i = D6_OPTION_IA_NA; | |
1330 | /* FALLTHROUGH */ | |
1331 | case O_IA_TA: | |
1332 | if (i == 0) | |
1333 | i = D6_OPTION_IA_TA; | |
1334 | /* FALLTHROUGH */ | |
1335 | case O_IA_PD: | |
9ff636a5 | 1336 | if (i == 0) { |
c25b444e RM |
1337 | #ifdef SMALL |
1338 | logwarnx("%s: IA_PD not compiled in", ifname); | |
1339 | return -1; | |
1340 | #else | |
9ff636a5 | 1341 | if (ifname == NULL) { |
08f2db73 | 1342 | logerrx("IA PD must belong in an " |
94d1ded9 | 1343 | "interface block"); |
9ff636a5 RM |
1344 | return -1; |
1345 | } | |
00ababe4 | 1346 | i = D6_OPTION_IA_PD; |
c25b444e | 1347 | #endif |
9ff636a5 | 1348 | } |
b0ca9ae9 | 1349 | if (ifname == NULL && arg) { |
94d1ded9 RM |
1350 | logerrx("IA with IAID must belong in an " |
1351 | "interface block"); | |
9ff636a5 RM |
1352 | return -1; |
1353 | } | |
00ababe4 | 1354 | ifo->options |= DHCPCD_IA_FORCED; |
52bcdc34 RM |
1355 | fp = strwhite(arg); |
1356 | if (fp) { | |
1357 | *fp++ = '\0'; | |
1358 | fp = strskipwhite(fp); | |
1359 | } | |
b0ca9ae9 | 1360 | if (arg) { |
b0ca9ae9 RM |
1361 | p = strchr(arg, '/'); |
1362 | if (p) | |
1363 | *p++ = '\0'; | |
069e2f28 | 1364 | if (parse_iaid(iaid, arg, sizeof(iaid)) == -1) { |
94d1ded9 | 1365 | logerr("invalid IAID: %s", arg); |
b0ca9ae9 | 1366 | return -1; |
069e2f28 | 1367 | } |
52bcdc34 | 1368 | } |
ebc9d360 RM |
1369 | ia = NULL; |
1370 | for (sl = 0; sl < ifo->ia_len; sl++) { | |
52bcdc34 | 1371 | if ((arg == NULL && !ifo->ia[sl].iaid_set) || |
ee184a69 | 1372 | (arg != NULL && ifo->ia[sl].iaid_set && |
766ce48c | 1373 | ifo->ia[sl].ia_type == (uint16_t)i && |
8371b540 | 1374 | ifo->ia[sl].iaid[0] == iaid[0] && |
ebc9d360 RM |
1375 | ifo->ia[sl].iaid[1] == iaid[1] && |
1376 | ifo->ia[sl].iaid[2] == iaid[2] && | |
b0ca9ae9 | 1377 | ifo->ia[sl].iaid[3] == iaid[3])) |
00ababe4 | 1378 | { |
ebc9d360 | 1379 | ia = &ifo->ia[sl]; |
00ababe4 RM |
1380 | break; |
1381 | } | |
1382 | } | |
ebc9d360 | 1383 | if (ia == NULL) { |
62c5b972 RM |
1384 | ia = reallocarray(ifo->ia, |
1385 | ifo->ia_len + 1, sizeof(*ifo->ia)); | |
ebc9d360 | 1386 | if (ia == NULL) { |
94d1ded9 | 1387 | logerr(__func__); |
00ababe4 RM |
1388 | return -1; |
1389 | } | |
ebc9d360 RM |
1390 | ifo->ia = ia; |
1391 | ia = &ifo->ia[ifo->ia_len++]; | |
b0ca9ae9 | 1392 | ia->ia_type = (uint16_t)i; |
52bcdc34 | 1393 | if (arg) { |
b0ca9ae9 RM |
1394 | ia->iaid[0] = iaid[0]; |
1395 | ia->iaid[1] = iaid[1]; | |
1396 | ia->iaid[2] = iaid[2]; | |
1397 | ia->iaid[3] = iaid[3]; | |
1398 | ia->iaid_set = 1; | |
1399 | } else | |
1400 | ia->iaid_set = 0; | |
1401 | if (!ia->iaid_set || | |
1402 | p == NULL || | |
1403 | ia->ia_type == D6_OPTION_IA_TA) | |
1404 | { | |
4f94ed51 RM |
1405 | memset(&ia->addr, 0, sizeof(ia->addr)); |
1406 | ia->prefix_len = 0; | |
1407 | } else { | |
1408 | arg = p; | |
1409 | p = strchr(arg, '/'); | |
1410 | if (p) | |
1411 | *p++ = '\0'; | |
c1993f92 RM |
1412 | if (inet_pton(AF_INET6, arg, &ia->addr) != 1) { |
1413 | logerrx("invalid AF_INET6: %s", arg); | |
4f94ed51 RM |
1414 | memset(&ia->addr, 0, sizeof(ia->addr)); |
1415 | } | |
b0ca9ae9 | 1416 | if (p && ia->ia_type == D6_OPTION_IA_PD) { |
40095c80 RM |
1417 | ia->prefix_len = (uint8_t)strtou(p, |
1418 | NULL, 0, 8, 120, &e); | |
f94b4eab | 1419 | if (e) { |
94d1ded9 | 1420 | logerrx("%s: failed to convert" |
f94b4eab RM |
1421 | " prefix len", |
1422 | p); | |
4f94ed51 | 1423 | ia->prefix_len = 0; |
40095c80 | 1424 | } |
4f94ed51 RM |
1425 | } |
1426 | } | |
c25b444e | 1427 | #ifndef SMALL |
e69793ff | 1428 | ia->sla_max = 0; |
ebc9d360 | 1429 | ia->sla_len = 0; |
4f94ed51 | 1430 | ia->sla = NULL; |
c25b444e | 1431 | #endif |
00ababe4 | 1432 | } |
d210717a RM |
1433 | |
1434 | #ifdef SMALL | |
1435 | break; | |
1436 | #else | |
b0ca9ae9 | 1437 | if (ia->ia_type != D6_OPTION_IA_PD) |
7cece083 | 1438 | break; |
d210717a | 1439 | |
00ababe4 | 1440 | for (p = fp; p; p = fp) { |
1cd05a96 RM |
1441 | fp = strwhite(p); |
1442 | if (fp) { | |
00ababe4 | 1443 | *fp++ = '\0'; |
1cd05a96 RM |
1444 | fp = strskipwhite(fp); |
1445 | } | |
62c5b972 RM |
1446 | sla = reallocarray(ia->sla, |
1447 | ia->sla_len + 1, sizeof(*ia->sla)); | |
00ababe4 | 1448 | if (sla == NULL) { |
94d1ded9 | 1449 | logerr(__func__); |
00ababe4 RM |
1450 | return -1; |
1451 | } | |
ebc9d360 RM |
1452 | ia->sla = sla; |
1453 | sla = &ia->sla[ia->sla_len++]; | |
00ababe4 RM |
1454 | np = strchr(p, '/'); |
1455 | if (np) | |
1456 | *np++ = '\0'; | |
00ababe4 RM |
1457 | if (strlcpy(sla->ifname, p, |
1458 | sizeof(sla->ifname)) >= sizeof(sla->ifname)) | |
1459 | { | |
94d1ded9 | 1460 | logerrx("%s: interface name too long", arg); |
94a79cea | 1461 | goto err_sla; |
00ababe4 | 1462 | } |
fda2c663 RM |
1463 | sla->sla_set = 0; |
1464 | sla->prefix_len = 0; | |
1465 | sla->suffix = 1; | |
00ababe4 | 1466 | p = np; |
367f7b11 RM |
1467 | if (p) { |
1468 | np = strchr(p, '/'); | |
1469 | if (np) | |
1470 | *np++ = '\0'; | |
fda2c663 | 1471 | if (*p != '\0') { |
f94b4eab RM |
1472 | sla->sla = (uint32_t)strtou(p, NULL, |
1473 | 0, 0, UINT32_MAX, &e); | |
1474 | sla->sla_set = 1; | |
1475 | if (e) { | |
94d1ded9 RM |
1476 | logerrx("%s: failed to convert " |
1477 | "sla", | |
f94b4eab | 1478 | ifname); |
34457fe6 | 1479 | goto err_sla; |
f94b4eab | 1480 | } |
83919266 | 1481 | } |
fda2c663 RM |
1482 | p = np; |
1483 | } | |
1484 | if (p) { | |
1485 | np = strchr(p, '/'); | |
1486 | if (np) | |
1487 | *np++ = '\0'; | |
1488 | if (*p != '\0') { | |
55793e6a | 1489 | sla->prefix_len = (uint8_t)strtou(p, |
fda2c663 | 1490 | NULL, 0, 0, 120, &e); |
f94b4eab | 1491 | if (e) { |
94d1ded9 | 1492 | logerrx("%s: failed to " |
f94b4eab RM |
1493 | "convert prefix len", |
1494 | ifname); | |
94a79cea | 1495 | goto err_sla; |
f94b4eab | 1496 | } |
fda2c663 RM |
1497 | } |
1498 | p = np; | |
1499 | } | |
1500 | if (p) { | |
1501 | np = strchr(p, '/'); | |
1502 | if (np) | |
1503 | *np = '\0'; | |
1504 | if (*p != '\0') { | |
1505 | sla->suffix = (uint64_t)strtou(p, NULL, | |
1506 | 0, 0, UINT64_MAX, &e); | |
1507 | if (e) { | |
94d1ded9 | 1508 | logerrx("%s: failed to " |
fda2c663 RM |
1509 | "convert suffix", |
1510 | ifname); | |
1511 | goto err_sla; | |
1512 | } | |
1513 | } | |
e69793ff RM |
1514 | } |
1515 | /* Sanity check */ | |
1516 | for (sl = 0; sl < ia->sla_len - 1; sl++) { | |
1517 | slap = &ia->sla[sl]; | |
a268d0e4 | 1518 | if (slap->sla_set != sla->sla_set) { |
94d1ded9 | 1519 | logerrx("%s: cannot mix automatic " |
e69793ff RM |
1520 | "and fixed SLA", |
1521 | sla->ifname); | |
1522 | goto err_sla; | |
1523 | } | |
857a98fc RM |
1524 | if (ia->prefix_len && |
1525 | (sla->prefix_len == ia->prefix_len || | |
1526 | slap->prefix_len == ia->prefix_len)) | |
1527 | { | |
94d1ded9 | 1528 | logerrx("%s: cannot delegte the same" |
857a98fc RM |
1529 | "prefix length more than once", |
1530 | sla->ifname); | |
1531 | goto err_sla; | |
1532 | } | |
e69793ff RM |
1533 | if (sla->sla_set == 0 && |
1534 | strcmp(slap->ifname, sla->ifname) == 0) | |
1535 | { | |
94d1ded9 | 1536 | logwarnx("%s: cannot specify the " |
e69793ff RM |
1537 | "same interface twice with " |
1538 | "an automatic SLA", | |
1539 | sla->ifname); | |
1540 | goto err_sla; | |
5985c4e2 | 1541 | } |
663d44bf RM |
1542 | if (slap->sla_set && sla->sla_set && |
1543 | slap->sla == sla->sla) | |
b1582682 | 1544 | { |
94d1ded9 | 1545 | logerrx("%s: cannot" |
663d44bf RM |
1546 | " assign the same SLA %u" |
1547 | " more than once", | |
1548 | sla->ifname, sla->sla); | |
a268d0e4 RM |
1549 | goto err_sla; |
1550 | } | |
367f7b11 | 1551 | } |
e69793ff RM |
1552 | if (sla->sla_set && sla->sla > ia->sla_max) |
1553 | ia->sla_max = sla->sla; | |
00ababe4 | 1554 | } |
ebc9d360 | 1555 | break; |
94a79cea RM |
1556 | err_sla: |
1557 | ia->sla_len--; | |
1558 | return -1; | |
c25b444e | 1559 | #endif |
94a79cea | 1560 | #endif |
d6a18654 | 1561 | case O_HOSTNAME_SHORT: |
9c54b11b | 1562 | ifo->options |= DHCPCD_HOSTNAME | DHCPCD_HOSTNAME_SHORT; |
d6a18654 | 1563 | break; |
413652c1 | 1564 | case O_DEV: |
6bcb242d | 1565 | ARG_REQUIRED; |
4eb7b489 RM |
1566 | #ifdef PLUGIN_DEV |
1567 | if (ctx->dev_load) | |
1568 | free(ctx->dev_load); | |
1569 | ctx->dev_load = strdup(arg); | |
1570 | #endif | |
413652c1 RM |
1571 | break; |
1572 | case O_NODEV: | |
1573 | ifo->options &= ~DHCPCD_DEV; | |
1574 | break; | |
8e7d8c37 RM |
1575 | case O_DEFINE: |
1576 | dop = &ifo->dhcp_override; | |
1577 | dop_len = &ifo->dhcp_override_len; | |
1578 | /* FALLTHROUGH */ | |
2be15e88 RM |
1579 | case O_DEFINEND: |
1580 | if (dop == NULL) { | |
1581 | dop = &ifo->nd_override; | |
1582 | dop_len = &ifo->nd_override_len; | |
1583 | } | |
1584 | /* FALLTHROUGH */ | |
8e7d8c37 RM |
1585 | case O_DEFINE6: |
1586 | if (dop == NULL) { | |
1587 | dop = &ifo->dhcp6_override; | |
1588 | dop_len = &ifo->dhcp6_override_len; | |
1589 | } | |
7a911e57 RM |
1590 | /* FALLTHROUGH */ |
1591 | case O_VENDOPT: | |
1592 | if (dop == NULL) { | |
1593 | dop = &ifo->vivso_override; | |
1594 | dop_len = &ifo->vivso_override_len; | |
1595 | } | |
4eb7b489 | 1596 | *edop = *ldop = NULL; |
8e7d8c37 RM |
1597 | /* FALLTHROUGH */ |
1598 | case O_EMBED: | |
1599 | if (dop == NULL) { | |
4eb7b489 RM |
1600 | if (*edop) { |
1601 | dop = &(*edop)->embopts; | |
1602 | dop_len = &(*edop)->embopts_len; | |
03476881 | 1603 | } else if (ldop) { |
4eb7b489 RM |
1604 | dop = &(*ldop)->embopts; |
1605 | dop_len = &(*ldop)->embopts_len; | |
03476881 | 1606 | } else { |
94d1ded9 RM |
1607 | logerrx("embed must be after a define " |
1608 | "or encap"); | |
8e7d8c37 RM |
1609 | return -1; |
1610 | } | |
8e7d8c37 | 1611 | } |
03476881 | 1612 | /* FALLTHROUGH */ |
8e7d8c37 | 1613 | case O_ENCAP: |
6bcb242d | 1614 | ARG_REQUIRED; |
8e7d8c37 | 1615 | if (dop == NULL) { |
4eb7b489 | 1616 | if (*ldop == NULL) { |
94d1ded9 | 1617 | logerrx("encap must be after a define"); |
8e7d8c37 RM |
1618 | return -1; |
1619 | } | |
4eb7b489 RM |
1620 | dop = &(*ldop)->encopts; |
1621 | dop_len = &(*ldop)->encopts_len; | |
8e7d8c37 RM |
1622 | } |
1623 | ||
1624 | /* Shared code for define, define6, embed and encap */ | |
1625 | ||
1626 | /* code */ | |
1627 | if (opt == O_EMBED) /* Embedded options don't have codes */ | |
7a911e57 | 1628 | u = 0; |
8e7d8c37 | 1629 | else { |
1cd05a96 | 1630 | fp = strwhite(arg); |
4dd50184 | 1631 | if (fp == NULL) { |
94d1ded9 | 1632 | logerrx("invalid syntax: %s", arg); |
8e7d8c37 RM |
1633 | return -1; |
1634 | } | |
1635 | *fp++ = '\0'; | |
6dff2cb3 | 1636 | u = (uint32_t)strtou(arg, NULL, 0, 0, UINT32_MAX, &e); |
f94b4eab | 1637 | if (e) { |
94d1ded9 | 1638 | logerrx("invalid code: %s", arg); |
8e7d8c37 | 1639 | return -1; |
7a911e57 | 1640 | } |
1cd05a96 | 1641 | arg = strskipwhite(fp); |
4dd50184 | 1642 | if (arg == NULL) { |
94d1ded9 | 1643 | logerrx("invalid syntax"); |
4dd50184 RM |
1644 | return -1; |
1645 | } | |
8e7d8c37 RM |
1646 | } |
1647 | /* type */ | |
1cd05a96 | 1648 | fp = strwhite(arg); |
ab371aa6 | 1649 | if (fp) |
1cd05a96 | 1650 | *fp++ = '\0'; |
b21cd906 RM |
1651 | np = strchr(arg, ':'); |
1652 | /* length */ | |
1653 | if (np) { | |
1654 | *np++ = '\0'; | |
cc71162d | 1655 | bp = NULL; /* No bitflag */ |
f94b4eab RM |
1656 | l = (long)strtou(np, NULL, 0, 0, LONG_MAX, &e); |
1657 | if (e) { | |
94d1ded9 | 1658 | logerrx("failed to convert length"); |
b21cd906 | 1659 | return -1; |
f94b4eab | 1660 | } |
cc71162d | 1661 | } else { |
b21cd906 | 1662 | l = 0; |
cc71162d RM |
1663 | bp = strchr(arg, '='); /* bitflag assignment */ |
1664 | if (bp) | |
1665 | *bp++ = '\0'; | |
1666 | } | |
1cd05a96 RM |
1667 | t = 0; |
1668 | if (strcasecmp(arg, "request") == 0) { | |
41eefe94 | 1669 | t |= OT_REQUEST; |
1cd05a96 RM |
1670 | arg = strskipwhite(fp); |
1671 | fp = strwhite(arg); | |
1672 | if (fp == NULL) { | |
94d1ded9 | 1673 | logerrx("incomplete request type"); |
1cd05a96 RM |
1674 | return -1; |
1675 | } | |
1676 | *fp++ = '\0'; | |
1677 | } else if (strcasecmp(arg, "norequest") == 0) { | |
41eefe94 | 1678 | t |= OT_NOREQ; |
1cd05a96 RM |
1679 | arg = strskipwhite(fp); |
1680 | fp = strwhite(arg); | |
1681 | if (fp == NULL) { | |
94d1ded9 | 1682 | logerrx("incomplete request type"); |
1cd05a96 RM |
1683 | return -1; |
1684 | } | |
8e7d8c37 | 1685 | *fp++ = '\0'; |
1cd05a96 | 1686 | } |
ecdbb919 | 1687 | if (strcasecmp(arg, "optional") == 0) { |
41eefe94 | 1688 | t |= OT_OPTIONAL; |
ecdbb919 RM |
1689 | arg = strskipwhite(fp); |
1690 | fp = strwhite(arg); | |
1691 | if (fp == NULL) { | |
94d1ded9 | 1692 | logerrx("incomplete optional type"); |
ecdbb919 RM |
1693 | return -1; |
1694 | } | |
1695 | *fp++ = '\0'; | |
1696 | } | |
03476881 | 1697 | if (strcasecmp(arg, "index") == 0) { |
41eefe94 | 1698 | t |= OT_INDEX; |
03476881 RM |
1699 | arg = strskipwhite(fp); |
1700 | fp = strwhite(arg); | |
1701 | if (fp == NULL) { | |
94d1ded9 | 1702 | logerrx("incomplete index type"); |
03476881 RM |
1703 | return -1; |
1704 | } | |
1705 | *fp++ = '\0'; | |
1706 | } | |
1cd05a96 | 1707 | if (strcasecmp(arg, "array") == 0) { |
41eefe94 | 1708 | t |= OT_ARRAY; |
1cd05a96 RM |
1709 | arg = strskipwhite(fp); |
1710 | fp = strwhite(arg); | |
1711 | if (fp == NULL) { | |
94d1ded9 | 1712 | logerrx("incomplete array type"); |
1cd05a96 RM |
1713 | return -1; |
1714 | } | |
1715 | *fp++ = '\0'; | |
1716 | } | |
8e7d8c37 | 1717 | if (strcasecmp(arg, "ipaddress") == 0) |
41eefe94 | 1718 | t |= OT_ADDRIPV4; |
8e7d8c37 | 1719 | else if (strcasecmp(arg, "ip6address") == 0) |
41eefe94 | 1720 | t |= OT_ADDRIPV6; |
8e7d8c37 | 1721 | else if (strcasecmp(arg, "string") == 0) |
41eefe94 | 1722 | t |= OT_STRING; |
8e7d8c37 | 1723 | else if (strcasecmp(arg, "byte") == 0) |
41eefe94 | 1724 | t |= OT_UINT8; |
cc71162d | 1725 | else if (strcasecmp(arg, "bitflags") == 0) |
41eefe94 | 1726 | t |= OT_BITFLAG; |
c960d1e6 | 1727 | else if (strcasecmp(arg, "uint8") == 0) |
41eefe94 | 1728 | t |= OT_UINT8; |
c960d1e6 | 1729 | else if (strcasecmp(arg, "int8") == 0) |
41eefe94 | 1730 | t |= OT_INT8; |
8e7d8c37 | 1731 | else if (strcasecmp(arg, "uint16") == 0) |
41eefe94 | 1732 | t |= OT_UINT16; |
8e7d8c37 | 1733 | else if (strcasecmp(arg, "int16") == 0) |
41eefe94 | 1734 | t |= OT_INT16; |
8e7d8c37 | 1735 | else if (strcasecmp(arg, "uint32") == 0) |
41eefe94 | 1736 | t |= OT_UINT32; |
8e7d8c37 | 1737 | else if (strcasecmp(arg, "int32") == 0) |
41eefe94 | 1738 | t |= OT_INT32; |
1cd05a96 | 1739 | else if (strcasecmp(arg, "flag") == 0) |
41eefe94 | 1740 | t |= OT_FLAG; |
8f008ca7 | 1741 | else if (strcasecmp(arg, "raw") == 0) |
41eefe94 | 1742 | t |= OT_STRING | OT_RAW; |
8f008ca7 | 1743 | else if (strcasecmp(arg, "ascii") == 0) |
41eefe94 | 1744 | t |= OT_STRING | OT_ASCII; |
8e7d8c37 | 1745 | else if (strcasecmp(arg, "domain") == 0) |
41eefe94 | 1746 | t |= OT_STRING | OT_DOMAIN | OT_RFC1035; |
8f008ca7 | 1747 | else if (strcasecmp(arg, "dname") == 0) |
41eefe94 | 1748 | t |= OT_STRING | OT_DOMAIN; |
8e7d8c37 | 1749 | else if (strcasecmp(arg, "binhex") == 0) |
41eefe94 | 1750 | t |= OT_STRING | OT_BINHEX; |
8e7d8c37 | 1751 | else if (strcasecmp(arg, "embed") == 0) |
41eefe94 | 1752 | t |= OT_EMBED; |
8e7d8c37 | 1753 | else if (strcasecmp(arg, "encap") == 0) |
41eefe94 | 1754 | t |= OT_ENCAP; |
1cd05a96 | 1755 | else if (strcasecmp(arg, "rfc3361") ==0) |
41eefe94 | 1756 | t |= OT_STRING | OT_RFC3361; |
dfee59d2 | 1757 | else if (strcasecmp(arg, "rfc3442") ==0) |
41eefe94 | 1758 | t |= OT_STRING | OT_RFC3442; |
03476881 | 1759 | else if (strcasecmp(arg, "option") == 0) |
41eefe94 | 1760 | t |= OT_OPTION; |
8e7d8c37 | 1761 | else { |
94d1ded9 | 1762 | logerrx("unknown type: %s", arg); |
8e7d8c37 RM |
1763 | return -1; |
1764 | } | |
41eefe94 | 1765 | if (l && !(t & (OT_STRING | OT_BINHEX))) { |
94d1ded9 | 1766 | logwarnx("ignoring length for type `%s'", arg); |
b21cd906 RM |
1767 | l = 0; |
1768 | } | |
41eefe94 RM |
1769 | if (t & OT_ARRAY && t & (OT_STRING | OT_BINHEX) && |
1770 | !(t & (OT_RFC1035 | OT_DOMAIN))) | |
8f008ca7 | 1771 | { |
94d1ded9 | 1772 | logwarnx("ignoring array for strings"); |
41eefe94 | 1773 | t &= ~OT_ARRAY; |
63bdd2c2 | 1774 | } |
41eefe94 | 1775 | if (t & OT_BITFLAG) { |
cc71162d | 1776 | if (bp == NULL) |
94d1ded9 | 1777 | logwarnx("missing bitflag assignment"); |
cc71162d | 1778 | } |
8e7d8c37 | 1779 | /* variable */ |
d9fbb118 | 1780 | if (!fp) { |
41eefe94 | 1781 | if (!(t & OT_OPTION)) { |
94d1ded9 RM |
1782 | logerrx("type %s requires a variable name", |
1783 | arg); | |
03476881 RM |
1784 | return -1; |
1785 | } | |
1786 | np = NULL; | |
1787 | } else { | |
1788 | arg = strskipwhite(fp); | |
1789 | fp = strwhite(arg); | |
1790 | if (fp) | |
1791 | *fp++ = '\0'; | |
cc71162d RM |
1792 | if (strcasecmp(arg, "reserved")) { |
1793 | np = strdup(arg); | |
1794 | if (np == NULL) { | |
94d1ded9 | 1795 | logerr(__func__); |
cc71162d RM |
1796 | return -1; |
1797 | } | |
1798 | } else { | |
1799 | np = NULL; | |
41eefe94 | 1800 | t |= OT_RESERVED; |
03476881 | 1801 | } |
8e7d8c37 | 1802 | } |
6714b786 | 1803 | if (opt != O_EMBED) { |
f132acc3 RM |
1804 | for (dl = 0, ndop = *dop; dl < *dop_len; dl++, ndop++) |
1805 | { | |
1cd05a96 RM |
1806 | /* type 0 seems freshly malloced struct |
1807 | * for us to use */ | |
7a911e57 | 1808 | if (ndop->option == u || ndop->type == 0) |
8e7d8c37 RM |
1809 | break; |
1810 | } | |
f132acc3 RM |
1811 | if (dl == *dop_len) |
1812 | ndop = NULL; | |
1813 | } else | |
1814 | ndop = NULL; | |
6714b786 | 1815 | if (ndop == NULL) { |
62c5b972 RM |
1816 | ndop = reallocarray(*dop, *dop_len + 1, sizeof(**dop)); |
1817 | if (ndop == NULL) { | |
94d1ded9 | 1818 | logerr(__func__); |
8fc52ced | 1819 | free(np); |
8e7d8c37 RM |
1820 | return -1; |
1821 | } | |
1822 | *dop = ndop; | |
1823 | ndop = &(*dop)[(*dop_len)++]; | |
8e7d8c37 RM |
1824 | ndop->embopts = NULL; |
1825 | ndop->embopts_len = 0; | |
1826 | ndop->encopts = NULL; | |
1827 | ndop->encopts_len = 0; | |
1828 | } else | |
1829 | free_dhcp_opt_embenc(ndop); | |
76bb4d03 | 1830 | ndop->option = (uint32_t)u; /* could have been 0 */ |
8e7d8c37 | 1831 | ndop->type = t; |
34457fe6 | 1832 | ndop->len = (size_t)l; |
bc22d277 | 1833 | ndop->var = np; |
cc71162d RM |
1834 | if (bp) { |
1835 | dl = strlen(bp); | |
1836 | memcpy(ndop->bitflags, bp, dl); | |
1837 | memset(ndop->bitflags + dl, 0, | |
1838 | sizeof(ndop->bitflags) - dl); | |
1839 | } else | |
1840 | memset(ndop->bitflags, 0, sizeof(ndop->bitflags)); | |
8e7d8c37 | 1841 | /* Save the define for embed and encap options */ |
2be15e88 RM |
1842 | switch (opt) { |
1843 | case O_DEFINE: | |
1844 | case O_DEFINEND: | |
1845 | case O_DEFINE6: | |
1846 | case O_VENDOPT: | |
4eb7b489 | 1847 | *ldop = ndop; |
2be15e88 RM |
1848 | break; |
1849 | case O_ENCAP: | |
4eb7b489 | 1850 | *edop = ndop; |
2be15e88 RM |
1851 | break; |
1852 | } | |
8e7d8c37 | 1853 | break; |
7a911e57 | 1854 | case O_VENDCLASS: |
6bcb242d | 1855 | ARG_REQUIRED; |
7a911e57 RM |
1856 | fp = strwhite(arg); |
1857 | if (fp) | |
1858 | *fp++ = '\0'; | |
f94b4eab RM |
1859 | u = (uint32_t)strtou(arg, NULL, 0, 0, UINT32_MAX, &e); |
1860 | if (e) { | |
94d1ded9 | 1861 | logerrx("invalid code: %s", arg); |
7a911e57 RM |
1862 | return -1; |
1863 | } | |
c42ca6e4 | 1864 | fp = strskipwhite(fp); |
7a911e57 RM |
1865 | if (fp) { |
1866 | s = parse_string(NULL, 0, fp); | |
1867 | if (s == -1) { | |
94d1ded9 | 1868 | logerr(__func__); |
7a911e57 RM |
1869 | return -1; |
1870 | } | |
34457fe6 RM |
1871 | dl = (size_t)s; |
1872 | if (dl + (sizeof(uint16_t) * 2) > UINT16_MAX) { | |
94d1ded9 | 1873 | logerrx("vendor class is too big"); |
7a911e57 RM |
1874 | return -1; |
1875 | } | |
34457fe6 | 1876 | np = malloc(dl); |
7a911e57 | 1877 | if (np == NULL) { |
94d1ded9 | 1878 | logerr(__func__); |
7a911e57 RM |
1879 | return -1; |
1880 | } | |
34457fe6 | 1881 | parse_string(np, dl, fp); |
7a911e57 | 1882 | } else { |
34457fe6 | 1883 | dl = 0; |
7a911e57 RM |
1884 | np = NULL; |
1885 | } | |
62c5b972 RM |
1886 | vivco = reallocarray(ifo->vivco, |
1887 | ifo->vivco_len + 1, sizeof(*ifo->vivco)); | |
7a911e57 | 1888 | if (vivco == NULL) { |
94d1ded9 | 1889 | logerr( __func__); |
e15521d1 | 1890 | free(np); |
7a911e57 RM |
1891 | return -1; |
1892 | } | |
1893 | ifo->vivco = vivco; | |
76bb4d03 | 1894 | ifo->vivco_en = (uint32_t)u; |
7a911e57 | 1895 | vivco = &ifo->vivco[ifo->vivco_len++]; |
34457fe6 | 1896 | vivco->len = dl; |
7a911e57 RM |
1897 | vivco->data = (uint8_t *)np; |
1898 | break; | |
c73ed171 | 1899 | case O_AUTHPROTOCOL: |
6bcb242d | 1900 | ARG_REQUIRED; |
e5fc8ac4 | 1901 | #ifdef AUTH |
c73ed171 RM |
1902 | fp = strwhite(arg); |
1903 | if (fp) | |
1904 | *fp++ = '\0'; | |
1905 | if (strcasecmp(arg, "token") == 0) | |
1906 | ifo->auth.protocol = AUTH_PROTO_TOKEN; | |
1907 | else if (strcasecmp(arg, "delayed") == 0) | |
1908 | ifo->auth.protocol = AUTH_PROTO_DELAYED; | |
1909 | else if (strcasecmp(arg, "delayedrealm") == 0) | |
1910 | ifo->auth.protocol = AUTH_PROTO_DELAYEDREALM; | |
1911 | else { | |
94d1ded9 | 1912 | logerrx("%s: unsupported protocol", arg); |
c73ed171 RM |
1913 | return -1; |
1914 | } | |
1915 | arg = strskipwhite(fp); | |
1916 | fp = strwhite(arg); | |
1917 | if (arg == NULL) { | |
1918 | ifo->auth.options |= DHCPCD_AUTH_SEND; | |
c2603990 RM |
1919 | if (ifo->auth.protocol == AUTH_PROTO_TOKEN) |
1920 | ifo->auth.protocol = AUTH_ALG_NONE; | |
1921 | else | |
1922 | ifo->auth.algorithm = AUTH_ALG_HMAC_MD5; | |
c73ed171 RM |
1923 | ifo->auth.rdm = AUTH_RDM_MONOTONIC; |
1924 | break; | |
1925 | } | |
1926 | if (fp) | |
1927 | *fp++ = '\0'; | |
32945b61 RM |
1928 | if (ifo->auth.protocol == AUTH_PROTO_TOKEN) { |
1929 | np = strchr(arg, '/'); | |
1930 | if (np) { | |
1931 | if (fp == NULL || np < fp) | |
1932 | *np++ = '\0'; | |
1933 | else | |
1934 | np = NULL; | |
1935 | } | |
1936 | if (parse_uint32(&ifo->auth.token_snd_secretid, | |
1937 | arg) == -1) | |
1938 | logerrx("%s: not a number", arg); | |
1939 | else | |
1940 | ifo->auth.token_rcv_secretid = | |
1941 | ifo->auth.token_snd_secretid; | |
1942 | if (np && | |
1943 | parse_uint32(&ifo->auth.token_rcv_secretid, | |
1944 | np) == -1) | |
1945 | logerrx("%s: not a number", arg); | |
1946 | } else { | |
1947 | if (strcasecmp(arg, "hmacmd5") == 0 || | |
1948 | strcasecmp(arg, "hmac-md5") == 0) | |
1949 | ifo->auth.algorithm = AUTH_ALG_HMAC_MD5; | |
1950 | else { | |
1951 | logerrx("%s: unsupported algorithm", arg); | |
1952 | return 1; | |
1953 | } | |
c73ed171 RM |
1954 | } |
1955 | arg = fp; | |
1956 | if (arg == NULL) { | |
1957 | ifo->auth.options |= DHCPCD_AUTH_SEND; | |
1958 | ifo->auth.rdm = AUTH_RDM_MONOTONIC; | |
1959 | break; | |
1960 | } | |
cf0840ef RM |
1961 | if (strcasecmp(arg, "monocounter") == 0) { |
1962 | ifo->auth.rdm = AUTH_RDM_MONOTONIC; | |
1963 | ifo->auth.options |= DHCPCD_AUTH_RDM_COUNTER; | |
1964 | } else if (strcasecmp(arg, "monotonic") ==0 || | |
1965 | strcasecmp(arg, "monotime") == 0) | |
c73ed171 RM |
1966 | ifo->auth.rdm = AUTH_RDM_MONOTONIC; |
1967 | else { | |
94d1ded9 | 1968 | logerrx("%s: unsupported RDM", arg); |
c73ed171 RM |
1969 | return -1; |
1970 | } | |
35fef8ed | 1971 | ifo->auth.options |= DHCPCD_AUTH_SEND; |
c73ed171 | 1972 | break; |
e5fc8ac4 | 1973 | #else |
94d1ded9 | 1974 | logerrx("no authentication support"); |
e5fc8ac4 RM |
1975 | return -1; |
1976 | #endif | |
c73ed171 | 1977 | case O_AUTHTOKEN: |
6bcb242d | 1978 | ARG_REQUIRED; |
e5fc8ac4 | 1979 | #ifdef AUTH |
c73ed171 RM |
1980 | fp = strwhite(arg); |
1981 | if (fp == NULL) { | |
94d1ded9 | 1982 | logerrx("authtoken requires a realm"); |
c73ed171 RM |
1983 | return -1; |
1984 | } | |
1985 | *fp++ = '\0'; | |
7b46fd43 | 1986 | token = calloc(1, sizeof(*token)); |
c73ed171 | 1987 | if (token == NULL) { |
94d1ded9 | 1988 | logerr(__func__); |
c73ed171 RM |
1989 | return -1; |
1990 | } | |
1991 | if (parse_uint32(&token->secretid, arg) == -1) { | |
94d1ded9 | 1992 | logerrx("%s: not a number", arg); |
7b46fd43 | 1993 | goto invalid_token; |
c73ed171 RM |
1994 | } |
1995 | arg = fp; | |
1996 | fp = strend(arg); | |
1997 | if (fp == NULL) { | |
94d1ded9 | 1998 | logerrx("authtoken requies an a key"); |
7b46fd43 | 1999 | goto invalid_token; |
c73ed171 RM |
2000 | } |
2001 | *fp++ = '\0'; | |
34457fe6 RM |
2002 | s = parse_string(NULL, 0, arg); |
2003 | if (s == -1) { | |
94d1ded9 | 2004 | logerr("realm_len"); |
7b46fd43 | 2005 | goto invalid_token; |
34457fe6 | 2006 | } |
08a1f547 | 2007 | if (s != 0) { |
34457fe6 | 2008 | token->realm_len = (size_t)s; |
c73ed171 RM |
2009 | token->realm = malloc(token->realm_len); |
2010 | if (token->realm == NULL) { | |
94d1ded9 | 2011 | logerr(__func__); |
7b46fd43 | 2012 | goto invalid_token; |
c73ed171 RM |
2013 | } |
2014 | parse_string((char *)token->realm, token->realm_len, | |
2015 | arg); | |
2016 | } | |
2017 | arg = fp; | |
2018 | fp = strend(arg); | |
2019 | if (fp == NULL) { | |
dd3df223 | 2020 | logerrx("authtoken requies an expiry date"); |
7b46fd43 | 2021 | goto invalid_token; |
c73ed171 RM |
2022 | } |
2023 | *fp++ = '\0'; | |
2024 | if (*arg == '"') { | |
2025 | arg++; | |
2026 | np = strchr(arg, '"'); | |
2027 | if (np) | |
2028 | *np = '\0'; | |
2029 | } | |
2030 | if (strcmp(arg, "0") == 0 || strcasecmp(arg, "forever") == 0) | |
2031 | token->expire =0; | |
2032 | else { | |
2033 | struct tm tm; | |
2034 | ||
2035 | memset(&tm, 0, sizeof(tm)); | |
2036 | if (strptime(arg, "%Y-%m-%d %H:%M", &tm) == NULL) { | |
94d1ded9 | 2037 | logerrx("%s: invalid date time", arg); |
7b46fd43 | 2038 | goto invalid_token; |
c73ed171 RM |
2039 | } |
2040 | if ((token->expire = mktime(&tm)) == (time_t)-1) { | |
94d1ded9 | 2041 | logerr("%s: mktime", __func__); |
7b46fd43 | 2042 | goto invalid_token; |
c73ed171 RM |
2043 | } |
2044 | } | |
2045 | arg = fp; | |
34457fe6 RM |
2046 | s = parse_string(NULL, 0, arg); |
2047 | if (s == -1 || s == 0) { | |
94d1ded9 RM |
2048 | if (s == -1) |
2049 | logerr("token_len"); | |
2050 | else | |
2051 | logerrx("authtoken needs a key"); | |
7b46fd43 | 2052 | goto invalid_token; |
c73ed171 | 2053 | } |
34457fe6 | 2054 | token->key_len = (size_t)s; |
c73ed171 | 2055 | token->key = malloc(token->key_len); |
7b46fd43 RM |
2056 | if (token->key == NULL) { |
2057 | logerr(__func__); | |
2058 | goto invalid_token; | |
2059 | } | |
c73ed171 RM |
2060 | parse_string((char *)token->key, token->key_len, arg); |
2061 | TAILQ_INSERT_TAIL(&ifo->auth.tokens, token, next); | |
2062 | break; | |
7b46fd43 RM |
2063 | |
2064 | invalid_token: | |
2065 | free(token->realm); | |
2066 | free(token); | |
667188e8 RM |
2067 | #else |
2068 | logerrx("no authentication support"); | |
2069 | #endif | |
7b46fd43 | 2070 | return -1; |
c73ed171 RM |
2071 | case O_AUTHNOTREQUIRED: |
2072 | ifo->auth.options &= ~DHCPCD_AUTH_REQUIRE; | |
2073 | break; | |
94bec972 | 2074 | case O_DHCP: |
72d78779 | 2075 | ifo->options |= DHCPCD_DHCP | DHCPCD_WANTDHCP | DHCPCD_IPV4; |
94bec972 | 2076 | break; |
d4154ba7 RM |
2077 | case O_NODHCP: |
2078 | ifo->options &= ~DHCPCD_DHCP; | |
2079 | break; | |
94bec972 RM |
2080 | case O_DHCP6: |
2081 | ifo->options |= DHCPCD_DHCP6 | DHCPCD_IPV6; | |
2082 | break; | |
d4154ba7 RM |
2083 | case O_NODHCP6: |
2084 | ifo->options &= ~DHCPCD_DHCP6; | |
2085 | break; | |
a93e79c6 | 2086 | case O_CONTROLGRP: |
6bcb242d | 2087 | ARG_REQUIRED; |
a93e79c6 RM |
2088 | #ifdef _REENTRANT |
2089 | l = sysconf(_SC_GETGR_R_SIZE_MAX); | |
2090 | if (l == -1) | |
2091 | dl = 1024; | |
2092 | else | |
2093 | dl = (size_t)l; | |
2094 | p = malloc(dl); | |
2095 | if (p == NULL) { | |
94d1ded9 | 2096 | logerr(__func__); |
a93e79c6 RM |
2097 | return -1; |
2098 | } | |
c6e1c3f2 | 2099 | while ((i = getgrnam_r(arg, &grpbuf, p, dl, &grp)) == |
a93e79c6 RM |
2100 | ERANGE) |
2101 | { | |
2102 | size_t nl = dl * 2; | |
2103 | if (nl < dl) { | |
94d1ded9 | 2104 | logerrx("control_group: out of buffer"); |
a93e79c6 RM |
2105 | free(p); |
2106 | return -1; | |
2107 | } | |
2108 | dl = nl; | |
2109 | np = realloc(p, dl); | |
2110 | if (np == NULL) { | |
94d1ded9 | 2111 | logerr(__func__); |
a93e79c6 RM |
2112 | free(p); |
2113 | return -1; | |
2114 | } | |
2115 | p = np; | |
2116 | } | |
2117 | if (i != 0) { | |
2118 | errno = i; | |
94d1ded9 | 2119 | logerr("getgrnam_r"); |
a93e79c6 RM |
2120 | free(p); |
2121 | return -1; | |
2122 | } | |
2123 | if (grp == NULL) { | |
8af4b652 QC |
2124 | if (!ctx->control_group) |
2125 | logerrx("controlgroup: %s: not found", arg); | |
a93e79c6 RM |
2126 | free(p); |
2127 | return -1; | |
2128 | } | |
2129 | ctx->control_group = grp->gr_gid; | |
2130 | free(p); | |
2131 | #else | |
2132 | grp = getgrnam(arg); | |
2133 | if (grp == NULL) { | |
8af4b652 QC |
2134 | if (!ctx->control_group) |
2135 | logerrx("controlgroup: %s: not found", arg); | |
a93e79c6 RM |
2136 | return -1; |
2137 | } | |
2138 | ctx->control_group = grp->gr_gid; | |
2139 | #endif | |
2140 | break; | |
feb553d0 RM |
2141 | case O_GATEWAY: |
2142 | ifo->options |= DHCPCD_GATEWAY; | |
2143 | break; | |
2862d340 RM |
2144 | case O_NOUP: |
2145 | ifo->options &= ~DHCPCD_IF_UP; | |
2146 | break; | |
1aeaf0e7 | 2147 | case O_SLAAC: |
6bcb242d | 2148 | ARG_REQUIRED; |
628167b1 RM |
2149 | np = strwhite(arg); |
2150 | if (np != NULL) { | |
2151 | *np++ = '\0'; | |
2152 | np = strskipwhite(np); | |
2153 | } | |
1aeaf0e7 RM |
2154 | if (strcmp(arg, "private") == 0 || |
2155 | strcmp(arg, "stableprivate") == 0 || | |
2156 | strcmp(arg, "stable") == 0) | |
2157 | ifo->options |= DHCPCD_SLAACPRIVATE; | |
2158 | else | |
2159 | ifo->options &= ~DHCPCD_SLAACPRIVATE; | |
628167b1 RM |
2160 | if (np != NULL && |
2161 | (strcmp(np, "temp") == 0 || strcmp(np, "temporary") == 0)) | |
2162 | ifo->options |= DHCPCD_SLAACTEMP; | |
3ed12ab8 | 2163 | break; |
8f924434 RM |
2164 | case O_BOOTP: |
2165 | ifo->options |= DHCPCD_BOOTP; | |
2166 | break; | |
f572315d RM |
2167 | case O_NODELAY: |
2168 | ifo->options &= ~DHCPCD_INITIAL_DELAY; | |
2169 | break; | |
b1ad0d39 RM |
2170 | case O_LASTLEASE_EXTEND: |
2171 | ifo->options |= DHCPCD_LASTLEASE | DHCPCD_LASTLEASE_EXTEND; | |
2172 | break; | |
b4a86584 RM |
2173 | case O_INACTIVE: |
2174 | ifo->options |= DHCPCD_INACTIVE; | |
2175 | break; | |
d85ad7d0 | 2176 | case O_MUDURL: |
03274c9c | 2177 | ARG_REQUIRED; |
d85ad7d0 RM |
2178 | s = parse_string((char *)ifo->mudurl + 1, MUDURL_MAX_LEN, arg); |
2179 | if (s == -1) { | |
94d1ded9 | 2180 | logerr("mudurl"); |
d85ad7d0 RM |
2181 | return -1; |
2182 | } | |
2183 | *ifo->mudurl = (uint8_t)s; | |
2184 | break; | |
281818ae RM |
2185 | case O_LINK_RCVBUF: |
2186 | #ifndef SMALL | |
2187 | ARG_REQUIRED; | |
2188 | ctx->link_rcvbuf = (int)strtoi(arg, NULL, 0, 0, INT32_MAX, &e); | |
2189 | if (e) { | |
2190 | logerrx("failed to convert link_rcvbuf %s", arg); | |
2191 | return -1; | |
2192 | } | |
2193 | #endif | |
2194 | break; | |
fd05b7dc RM |
2195 | default: |
2196 | return 0; | |
2197 | } | |
2198 | ||
2199 | return 1; | |
6bcb242d RM |
2200 | |
2201 | #ifdef ARG_REQUIRED | |
2202 | arg_required: | |
94d1ded9 | 2203 | logerrx("option %d requires an argument", opt); |
6bcb242d RM |
2204 | return -1; |
2205 | #undef ARG_REQUIRED | |
2206 | #endif | |
fd05b7dc RM |
2207 | } |
2208 | ||
2209 | static int | |
4eb7b489 RM |
2210 | parse_config_line(struct dhcpcd_ctx *ctx, const char *ifname, |
2211 | struct if_options *ifo, const char *opt, char *line, | |
2212 | struct dhcp_opt **ldop, struct dhcp_opt **edop) | |
fd05b7dc RM |
2213 | { |
2214 | unsigned int i; | |
2215 | ||
2216 | for (i = 0; i < sizeof(cf_options) / sizeof(cf_options[0]); i++) { | |
2217 | if (!cf_options[i].name || | |
2218 | strcmp(cf_options[i].name, opt) != 0) | |
2219 | continue; | |
2220 | ||
2221 | if (cf_options[i].has_arg == required_argument && !line) { | |
94d1ded9 | 2222 | logerrx("option requires an argument -- %s", opt); |
fd05b7dc RM |
2223 | return -1; |
2224 | } | |
2225 | ||
4eb7b489 RM |
2226 | return parse_option(ctx, ifname, ifo, cf_options[i].val, line, |
2227 | ldop, edop); | |
fd05b7dc RM |
2228 | } |
2229 | ||
94d1ded9 | 2230 | logerrx("unknown option: %s", opt); |
fd05b7dc RM |
2231 | return -1; |
2232 | } | |
2233 | ||
741f46c6 | 2234 | static void |
b0272a9d | 2235 | finish_config(struct if_options *ifo) |
741f46c6 RM |
2236 | { |
2237 | ||
2238 | /* Terminate the encapsulated options */ | |
2239 | if (ifo->vendor[0] && !(ifo->options & DHCPCD_VENDORRAW)) { | |
2240 | ifo->vendor[0]++; | |
2241 | ifo->vendor[ifo->vendor[0]] = DHO_END; | |
aeddc61a RM |
2242 | /* We are called twice. |
2243 | * This should be fixed, but in the meantime, this | |
2244 | * guard should suffice */ | |
2245 | ifo->options |= DHCPCD_VENDORRAW; | |
741f46c6 | 2246 | } |
b6f67716 RM |
2247 | |
2248 | if (!(ifo->options & DHCPCD_ARP) || | |
2249 | ifo->options & (DHCPCD_INFORM | DHCPCD_STATIC)) | |
2250 | ifo->options &= ~DHCPCD_IPV4LL; | |
2251 | ||
2252 | if (!(ifo->options & DHCPCD_IPV4)) | |
2253 | ifo->options &= ~(DHCPCD_DHCP | DHCPCD_IPV4LL | DHCPCD_WAITIP4); | |
2254 | ||
2255 | if (!(ifo->options & DHCPCD_IPV6)) | |
2256 | ifo->options &= | |
2257 | ~(DHCPCD_IPV6RS | DHCPCD_DHCP6 | DHCPCD_WAITIP6); | |
2258 | ||
2259 | if (!(ifo->options & DHCPCD_IPV6RS)) | |
2260 | ifo->options &= | |
2261 | ~(DHCPCD_IPV6RA_AUTOCONF | DHCPCD_IPV6RA_REQRDNSS); | |
b0272a9d | 2262 | } |
741f46c6 | 2263 | |
598e6cc7 RM |
2264 | struct if_options * |
2265 | default_config(struct dhcpcd_ctx *ctx) | |
2266 | { | |
2267 | struct if_options *ifo; | |
2268 | ||
2269 | /* Seed our default options */ | |
2270 | if ((ifo = calloc(1, sizeof(*ifo))) == NULL) { | |
94d1ded9 | 2271 | logerr(__func__); |
598e6cc7 RM |
2272 | return NULL; |
2273 | } | |
2274 | ifo->options |= DHCPCD_IF_UP | DHCPCD_LINK | DHCPCD_INITIAL_DELAY; | |
2275 | ifo->timeout = DEFAULT_TIMEOUT; | |
2276 | ifo->reboot = DEFAULT_REBOOT; | |
2277 | ifo->metric = -1; | |
2278 | ifo->auth.options |= DHCPCD_AUTH_REQUIRE; | |
6a0ed9e4 | 2279 | rb_tree_init(&ifo->routes, &rt_compare_list_ops); |
e5fc8ac4 | 2280 | #ifdef AUTH |
598e6cc7 | 2281 | TAILQ_INIT(&ifo->auth.tokens); |
e5fc8ac4 | 2282 | #endif |
598e6cc7 RM |
2283 | |
2284 | /* Inherit some global defaults */ | |
2285 | if (ctx->options & DHCPCD_PERSISTENT) | |
2286 | ifo->options |= DHCPCD_PERSISTENT; | |
2287 | if (ctx->options & DHCPCD_SLAACPRIVATE) | |
2288 | ifo->options |= DHCPCD_SLAACPRIVATE; | |
2289 | ||
2290 | return ifo; | |
2291 | } | |
2292 | ||
fd05b7dc | 2293 | struct if_options * |
4eb7b489 | 2294 | read_config(struct dhcpcd_ctx *ctx, |
6f767217 | 2295 | const char *ifname, const char *ssid, const char *profile) |
fd05b7dc RM |
2296 | { |
2297 | struct if_options *ifo; | |
cf85354d RM |
2298 | char buf[UDPLEN_MAX], *bp; /* 64k max config file size */ |
2299 | char *line, *option, *p; | |
2300 | ssize_t buflen; | |
b5672cc1 | 2301 | size_t vlen; |
417c31a9 | 2302 | int skip, have_profile, new_block, had_block; |
d9fbb118 | 2303 | #if !defined(INET) || !defined(INET6) |
10cac699 | 2304 | size_t i; |
d9fbb118 RM |
2305 | struct dhcp_opt *opt; |
2306 | #endif | |
4eb7b489 | 2307 | struct dhcp_opt *ldop, *edop; |
fd05b7dc RM |
2308 | |
2309 | /* Seed our default options */ | |
598e6cc7 | 2310 | if ((ifo = default_config(ctx)) == NULL) |
10e17e3f | 2311 | return NULL; |
feb553d0 | 2312 | ifo->options |= DHCPCD_DAEMONISE | DHCPCD_GATEWAY; |
413652c1 RM |
2313 | #ifdef PLUGIN_DEV |
2314 | ifo->options |= DHCPCD_DEV; | |
2315 | #endif | |
aae24feb | 2316 | #ifdef INET |
6456fc27 | 2317 | ifo->options |= DHCPCD_IPV4 | DHCPCD_ARP | DHCPCD_DHCP | DHCPCD_IPV4LL; |
aae24feb RM |
2318 | #endif |
2319 | #ifdef INET6 | |
62f12387 RM |
2320 | ifo->options |= DHCPCD_IPV6 | DHCPCD_IPV6RS; |
2321 | ifo->options |= DHCPCD_IPV6RA_AUTOCONF | DHCPCD_IPV6RA_REQRDNSS; | |
d4154ba7 | 2322 | ifo->options |= DHCPCD_DHCP6; |
aae24feb | 2323 | #endif |
793c4286 | 2324 | |
cf85354d RM |
2325 | vlen = strlcpy((char *)ifo->vendorclassid + 1, ctx->vendor, |
2326 | sizeof(ifo->vendorclassid) - 1); | |
2327 | ifo->vendorclassid[0] = (uint8_t)(vlen > 255 ? 0 : vlen); | |
c1b54b57 | 2328 | |
960abfd2 RM |
2329 | /* Reset route order */ |
2330 | ctx->rt_order = 0; | |
2331 | ||
8e7d8c37 | 2332 | /* Parse our embedded options file */ |
c1642d52 | 2333 | if (ifname == NULL && !(ctx->options & DHCPCD_PRINT_PIDFILE)) { |
1cd05a96 RM |
2334 | /* Space for initial estimates */ |
2335 | #if defined(INET) && defined(INITDEFINES) | |
2336 | ifo->dhcp_override = | |
2337 | calloc(INITDEFINES, sizeof(*ifo->dhcp_override)); | |
2338 | if (ifo->dhcp_override == NULL) | |
94d1ded9 | 2339 | logerr(__func__); |
1cd05a96 RM |
2340 | else |
2341 | ifo->dhcp_override_len = INITDEFINES; | |
2342 | #endif | |
2343 | ||
2be15e88 RM |
2344 | #if defined(INET6) && defined(INITDEFINENDS) |
2345 | ifo->nd_override = | |
2346 | calloc(INITDEFINENDS, sizeof(*ifo->nd_override)); | |
2347 | if (ifo->nd_override == NULL) | |
94d1ded9 | 2348 | logerr(__func__); |
2be15e88 RM |
2349 | else |
2350 | ifo->nd_override_len = INITDEFINENDS; | |
2351 | #endif | |
1cd05a96 RM |
2352 | #if defined(INET6) && defined(INITDEFINE6S) |
2353 | ifo->dhcp6_override = | |
2354 | calloc(INITDEFINE6S, sizeof(*ifo->dhcp6_override)); | |
2355 | if (ifo->dhcp6_override == NULL) | |
94d1ded9 | 2356 | logerr(__func__); |
1cd05a96 | 2357 | else |
d9fbb118 | 2358 | ifo->dhcp6_override_len = INITDEFINE6S; |
1cd05a96 RM |
2359 | #endif |
2360 | ||
2361 | /* Now load our embedded config */ | |
2362 | #ifdef EMBEDDED_CONFIG | |
cf85354d RM |
2363 | buflen = dhcp_readfile(ctx, EMBEDDED_CONFIG, buf, sizeof(buf)); |
2364 | if (buflen == -1) { | |
2365 | logerr("%s: %s", __func__, EMBEDDED_CONFIG); | |
2366 | return ifo; | |
2367 | } | |
134e8be7 | 2368 | if (buf[buflen - 1] != '\0') { |
cf85354d RM |
2369 | if (buflen < sizeof(buf) - 1) |
2370 | bulen++; | |
134e8be7 | 2371 | buf[buflen - 1] = '\0'; |
cf85354d | 2372 | } |
1cd05a96 | 2373 | #else |
b5672cc1 RM |
2374 | buflen = (ssize_t)strlcpy(buf, dhcpcd_embedded_conf, |
2375 | sizeof(buf)); | |
cf85354d RM |
2376 | if ((size_t)buflen >= sizeof(buf)) { |
2377 | logerrx("%s: embedded config too big", __func__); | |
2378 | return ifo; | |
1cd05a96 | 2379 | } |
cf85354d | 2380 | /* Our embedded config is NULL terminated */ |
1cd05a96 | 2381 | #endif |
cf85354d RM |
2382 | bp = buf; |
2383 | while ((line = get_line(&bp, &buflen)) != NULL) { | |
8e7d8c37 | 2384 | option = strsep(&line, " \t"); |
ab371aa6 RM |
2385 | if (line) |
2386 | line = strskipwhite(line); | |
8e7d8c37 | 2387 | /* Trim trailing whitespace */ |
79f1f126 | 2388 | if (line) { |
8e7d8c37 RM |
2389 | p = line + strlen(line) - 1; |
2390 | while (p != line && | |
2391 | (*p == ' ' || *p == '\t') && | |
2392 | *(p - 1) != '\\') | |
2393 | *p-- = '\0'; | |
2394 | } | |
4eb7b489 RM |
2395 | parse_config_line(ctx, NULL, ifo, option, line, |
2396 | &ldop, &edop); | |
8e7d8c37 | 2397 | } |
1cd05a96 | 2398 | |
1cd05a96 | 2399 | #ifdef INET |
4eb7b489 RM |
2400 | ctx->dhcp_opts = ifo->dhcp_override; |
2401 | ctx->dhcp_opts_len = ifo->dhcp_override_len; | |
1cd05a96 | 2402 | #else |
d9fbb118 RM |
2403 | for (i = 0, opt = ifo->dhcp_override; |
2404 | i < ifo->dhcp_override_len; | |
2405 | i++, opt++) | |
2406 | free_dhcp_opt_embenc(opt); | |
1cd05a96 RM |
2407 | free(ifo->dhcp_override); |
2408 | #endif | |
2409 | ifo->dhcp_override = NULL; | |
2410 | ifo->dhcp_override_len = 0; | |
2411 | ||
2412 | #ifdef INET6 | |
2be15e88 RM |
2413 | ctx->nd_opts = ifo->nd_override; |
2414 | ctx->nd_opts_len = ifo->nd_override_len; | |
a1b1f0a8 | 2415 | #ifdef DHCP6 |
4eb7b489 RM |
2416 | ctx->dhcp6_opts = ifo->dhcp6_override; |
2417 | ctx->dhcp6_opts_len = ifo->dhcp6_override_len; | |
a1b1f0a8 | 2418 | #endif |
1cd05a96 | 2419 | #else |
2be15e88 RM |
2420 | for (i = 0, opt = ifo->nd_override; |
2421 | i < ifo->nd_override_len; | |
2422 | i++, opt++) | |
2423 | free_dhcp_opt_embenc(opt); | |
2424 | free(ifo->nd_override); | |
d9fbb118 | 2425 | for (i = 0, opt = ifo->dhcp6_override; |
10cac699 | 2426 | i < ifo->dhcp6_override_len; |
d9fbb118 RM |
2427 | i++, opt++) |
2428 | free_dhcp_opt_embenc(opt); | |
1cd05a96 RM |
2429 | free(ifo->dhcp6_override); |
2430 | #endif | |
2be15e88 RM |
2431 | ifo->nd_override = NULL; |
2432 | ifo->nd_override_len = 0; | |
1cd05a96 RM |
2433 | ifo->dhcp6_override = NULL; |
2434 | ifo->dhcp6_override_len = 0; | |
7a911e57 | 2435 | |
4eb7b489 RM |
2436 | ctx->vivso = ifo->vivso_override; |
2437 | ctx->vivso_len = ifo->vivso_override_len; | |
7a911e57 RM |
2438 | ifo->vivso_override = NULL; |
2439 | ifo->vivso_override_len = 0; | |
8e7d8c37 RM |
2440 | } |
2441 | ||
fd05b7dc | 2442 | /* Parse our options file */ |
cf85354d RM |
2443 | buflen = dhcp_readfile(ctx, ctx->cffile, buf, sizeof(buf)); |
2444 | if (buflen == -1) { | |
62cb6de8 RM |
2445 | /* dhcpcd can continue without it, but no DNS options |
2446 | * would be requested ... */ | |
cf85354d | 2447 | logerr("%s: %s", __func__, ctx->cffile); |
fd05b7dc | 2448 | return ifo; |
5e2062a4 | 2449 | } |
134e8be7 | 2450 | if (buf[buflen - 1] != '\0') { |
cf85354d RM |
2451 | if ((size_t)buflen < sizeof(buf) - 1) |
2452 | buflen++; | |
134e8be7 | 2453 | buf[buflen - 1] = '\0'; |
cf85354d RM |
2454 | } |
2455 | dhcp_filemtime(ctx, ctx->cffile, &ifo->mtime); | |
fd05b7dc | 2456 | |
4eb7b489 | 2457 | ldop = edop = NULL; |
417c31a9 | 2458 | skip = have_profile = new_block = 0; |
d42067b8 | 2459 | had_block = ifname == NULL ? 1 : 0; |
cf85354d RM |
2460 | bp = buf; |
2461 | while ((line = get_line(&bp, &buflen)) != NULL) { | |
e1caa8db | 2462 | option = strsep(&line, " \t"); |
ab371aa6 RM |
2463 | if (line) |
2464 | line = strskipwhite(line); | |
fd05b7dc | 2465 | /* Trim trailing whitespace */ |
79f1f126 | 2466 | if (line) { |
fd05b7dc RM |
2467 | p = line + strlen(line) - 1; |
2468 | while (p != line && | |
eab2229c RM |
2469 | (*p == ' ' || *p == '\t') && |
2470 | *(p - 1) != '\\') | |
fd05b7dc RM |
2471 | *p-- = '\0'; |
2472 | } | |
d42067b8 | 2473 | if (skip == 0 && new_block) { |
edb0ed37 RM |
2474 | had_block = 1; |
2475 | new_block = 0; | |
2476 | ifo->options &= ~DHCPCD_WAITOPTS; | |
2477 | } | |
fd05b7dc RM |
2478 | /* Start of an interface block, skip if not ours */ |
2479 | if (strcmp(option, "interface") == 0) { | |
4d91c2e7 RM |
2480 | char **n; |
2481 | ||
edb0ed37 | 2482 | new_block = 1; |
79f1f126 RM |
2483 | if (line == NULL) { |
2484 | /* No interface given */ | |
2485 | skip = 1; | |
2486 | continue; | |
2487 | } | |
2488 | if (ifname && strcmp(line, ifname) == 0) | |
fd05b7dc RM |
2489 | skip = 0; |
2490 | else | |
2491 | skip = 1; | |
4d91c2e7 RM |
2492 | if (ifname) |
2493 | continue; | |
2494 | ||
79f1f126 RM |
2495 | n = reallocarray(ctx->ifcv, |
2496 | (size_t)ctx->ifcc + 1, sizeof(char *)); | |
4d91c2e7 | 2497 | if (n == NULL) { |
94d1ded9 | 2498 | logerr(__func__); |
4d91c2e7 RM |
2499 | continue; |
2500 | } | |
2501 | ctx->ifcv = n; | |
2502 | ctx->ifcv[ctx->ifcc] = strdup(line); | |
2503 | if (ctx->ifcv[ctx->ifcc] == NULL) { | |
94d1ded9 | 2504 | logerr(__func__); |
4d91c2e7 RM |
2505 | continue; |
2506 | } | |
2507 | ctx->ifcc++; | |
fd05b7dc | 2508 | continue; |
c53cf4ef RM |
2509 | } |
2510 | /* Start of an ssid block, skip if not ours */ | |
2511 | if (strcmp(option, "ssid") == 0) { | |
edb0ed37 | 2512 | new_block = 1; |
c53cf4ef RM |
2513 | if (ssid && line && strcmp(line, ssid) == 0) |
2514 | skip = 0; | |
2515 | else | |
2516 | skip = 1; | |
2517 | continue; | |
fd05b7dc | 2518 | } |
6f767217 RM |
2519 | /* Start of a profile block, skip if not ours */ |
2520 | if (strcmp(option, "profile") == 0) { | |
edb0ed37 | 2521 | new_block = 1; |
6f767217 RM |
2522 | if (profile && line && strcmp(line, profile) == 0) { |
2523 | skip = 0; | |
2524 | have_profile = 1; | |
2525 | } else | |
2526 | skip = 1; | |
2527 | continue; | |
2528 | } | |
ba7a34fb RM |
2529 | /* Skip arping if we have selected a profile but not parsing |
2530 | * one. */ | |
2531 | if (profile && !have_profile && strcmp(option, "arping") == 0) | |
2532 | continue; | |
fd05b7dc RM |
2533 | if (skip) |
2534 | continue; | |
cf85354d | 2535 | |
4eb7b489 | 2536 | parse_config_line(ctx, ifname, ifo, option, line, &ldop, &edop); |
fd05b7dc | 2537 | } |
fd05b7dc | 2538 | |
6f767217 | 2539 | if (profile && !have_profile) { |
30425c9b | 2540 | free_options(ctx, ifo); |
6f767217 | 2541 | errno = ENOENT; |
658bfd5e | 2542 | return NULL; |
6f767217 RM |
2543 | } |
2544 | ||
edb0ed37 RM |
2545 | if (!had_block) |
2546 | ifo->options &= ~DHCPCD_WAITOPTS; | |
b0272a9d | 2547 | finish_config(ifo); |
fd05b7dc RM |
2548 | return ifo; |
2549 | } | |
2550 | ||
2551 | int | |
4eb7b489 RM |
2552 | add_options(struct dhcpcd_ctx *ctx, const char *ifname, |
2553 | struct if_options *ifo, int argc, char **argv) | |
fd05b7dc | 2554 | { |
29c0fd6f | 2555 | int oi, opt, r; |
edb0ed37 | 2556 | unsigned long long wait_opts; |
29c0fd6f RM |
2557 | |
2558 | if (argc == 0) | |
2559 | return 1; | |
fd05b7dc RM |
2560 | |
2561 | optind = 0; | |
29c0fd6f | 2562 | r = 1; |
edb0ed37 RM |
2563 | /* Don't apply the command line wait options to each interface, |
2564 | * only use the dhcpcd.conf entry for that. */ | |
2565 | if (ifname != NULL) | |
2566 | wait_opts = ifo->options & DHCPCD_WAITOPTS; | |
c31b1719 RM |
2567 | while ((opt = getopt_long(argc, argv, |
2568 | ctx->options & DHCPCD_PRINT_PIDFILE ? NOERR_IF_OPTS : IF_OPTS, | |
2569 | cf_options, &oi)) != -1) | |
fd05b7dc | 2570 | { |
4eb7b489 | 2571 | r = parse_option(ctx, ifname, ifo, opt, optarg, NULL, NULL); |
fd05b7dc RM |
2572 | if (r != 1) |
2573 | break; | |
2574 | } | |
edb0ed37 RM |
2575 | if (ifname != NULL) { |
2576 | ifo->options &= ~DHCPCD_WAITOPTS; | |
2577 | ifo->options |= wait_opts; | |
2578 | } | |
741f46c6 | 2579 | |
b0272a9d | 2580 | finish_config(ifo); |
fd05b7dc RM |
2581 | return r; |
2582 | } | |
2583 | ||
2584 | void | |
30425c9b | 2585 | free_options(struct dhcpcd_ctx *ctx, struct if_options *ifo) |
fd05b7dc RM |
2586 | { |
2587 | size_t i; | |
06367b16 | 2588 | #ifdef RT_FREE_ROUTE_TABLE |
aaa0ed85 | 2589 | struct interface *ifp; |
06367b16 RM |
2590 | struct rt *rt; |
2591 | #endif | |
d9fbb118 | 2592 | struct dhcp_opt *opt; |
900b6f94 | 2593 | struct vivco *vo; |
e5fc8ac4 | 2594 | #ifdef AUTH |
c73ed171 | 2595 | struct token *token; |
e5fc8ac4 | 2596 | #endif |
fd05b7dc | 2597 | |
06367b16 RM |
2598 | if (ifo == NULL) |
2599 | return; | |
8e7d8c37 | 2600 | |
06367b16 RM |
2601 | if (ifo->environ) { |
2602 | i = 0; | |
2603 | while (ifo->environ[i]) | |
2604 | free(ifo->environ[i++]); | |
2605 | free(ifo->environ); | |
2606 | } | |
2607 | if (ifo->config) { | |
2608 | i = 0; | |
2609 | while (ifo->config[i]) | |
2610 | free(ifo->config[i++]); | |
2611 | free(ifo->config); | |
2612 | } | |
2613 | ||
2614 | #ifdef RT_FREE_ROUTE_TABLE | |
2615 | /* Stupidly, we don't know the interface when creating the options. | |
2616 | * As such, make sure each route has one so they can goto the | |
2617 | * free list. */ | |
aaa0ed85 RM |
2618 | ifp = ctx->ifaces != NULL ? TAILQ_FIRST(ctx->ifaces) : NULL; |
2619 | if (ifp != NULL) { | |
2620 | RB_TREE_FOREACH(rt, &ifo->routes) { | |
2621 | if (rt->rt_ifp == NULL) | |
2622 | rt->rt_ifp = ifp; | |
2623 | } | |
06367b16 RM |
2624 | } |
2625 | #endif | |
2626 | rt_headclear0(ctx, &ifo->routes, AF_UNSPEC); | |
2627 | ||
06367b16 RM |
2628 | free(ifo->arping); |
2629 | free(ifo->blacklist); | |
2630 | free(ifo->fallback); | |
2631 | ||
2632 | for (opt = ifo->dhcp_override; | |
2633 | ifo->dhcp_override_len > 0; | |
2634 | opt++, ifo->dhcp_override_len--) | |
2635 | free_dhcp_opt_embenc(opt); | |
2636 | free(ifo->dhcp_override); | |
2637 | for (opt = ifo->nd_override; | |
2638 | ifo->nd_override_len > 0; | |
2639 | opt++, ifo->nd_override_len--) | |
2640 | free_dhcp_opt_embenc(opt); | |
2641 | free(ifo->nd_override); | |
2642 | for (opt = ifo->dhcp6_override; | |
2643 | ifo->dhcp6_override_len > 0; | |
2644 | opt++, ifo->dhcp6_override_len--) | |
2645 | free_dhcp_opt_embenc(opt); | |
2646 | free(ifo->dhcp6_override); | |
2647 | for (vo = ifo->vivco; | |
2648 | ifo->vivco_len > 0; | |
2649 | vo++, ifo->vivco_len--) | |
2650 | free(vo->data); | |
2651 | free(ifo->vivco); | |
2652 | for (opt = ifo->vivso_override; | |
2653 | ifo->vivso_override_len > 0; | |
2654 | opt++, ifo->vivso_override_len--) | |
2655 | free_dhcp_opt_embenc(opt); | |
2656 | free(ifo->vivso_override); | |
8e7d8c37 | 2657 | |
c25b444e | 2658 | #if defined(INET6) && !defined(SMALL) |
06367b16 RM |
2659 | for (; ifo->ia_len > 0; ifo->ia_len--) |
2660 | free(ifo->ia[ifo->ia_len - 1].sla); | |
00ababe4 | 2661 | #endif |
06367b16 | 2662 | free(ifo->ia); |
ebc9d360 | 2663 | |
e5fc8ac4 | 2664 | #ifdef AUTH |
06367b16 RM |
2665 | while ((token = TAILQ_FIRST(&ifo->auth.tokens))) { |
2666 | TAILQ_REMOVE(&ifo->auth.tokens, token, next); | |
2667 | if (token->realm_len) | |
2668 | free(token->realm); | |
2669 | free(token->key); | |
2670 | free(token); | |
fd05b7dc | 2671 | } |
06367b16 RM |
2672 | #endif |
2673 | free(ifo); | |
fd05b7dc | 2674 | } |