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8cc47ba2 | 1 | /* |
fd05b7dc | 2 | * dhcpcd - DHCP client daemon |
9a401ca4 | 3 | * Copyright (c) 2006-2018 Roy Marples <roy@marples.name> |
fd05b7dc RM |
4 | * All rights reserved |
5 | ||
6 | * Redistribution and use in source and binary forms, with or without | |
7 | * modification, are permitted provided that the following conditions | |
8 | * are met: | |
9 | * 1. Redistributions of source code must retain the above copyright | |
10 | * notice, this list of conditions and the following disclaimer. | |
11 | * 2. Redistributions in binary form must reproduce the above copyright | |
12 | * notice, this list of conditions and the following disclaimer in the | |
13 | * documentation and/or other materials provided with the distribution. | |
14 | * | |
15 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND | |
16 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
17 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
18 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
19 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
20 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
21 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
22 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
23 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
24 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
25 | * SUCH DAMAGE. | |
26 | */ | |
27 | ||
0d0c5f66 | 28 | #include <sys/param.h> |
727d8459 | 29 | #include <sys/stat.h> |
fd05b7dc RM |
30 | #include <sys/types.h> |
31 | ||
32 | #include <arpa/inet.h> | |
33 | ||
34 | #include <ctype.h> | |
35 | #include <errno.h> | |
36 | #include <getopt.h> | |
a93e79c6 | 37 | #include <grp.h> |
f94b4eab | 38 | #include <inttypes.h> |
0d0c5f66 | 39 | #include <limits.h> |
fd05b7dc RM |
40 | #include <paths.h> |
41 | #include <stdio.h> | |
42 | #include <stdlib.h> | |
43 | #include <string.h> | |
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 | |
4ca7460f RM |
58 | /* These options only make sense in the config file, so don't use any |
59 | valid short options for them */ | |
eebe9a18 RM |
60 | #define O_BASE MAX('z', 'Z') + 1 |
61 | #define O_ARPING O_BASE + 1 | |
62 | #define O_FALLBACK O_BASE + 2 | |
63 | #define O_DESTINATION O_BASE + 3 | |
64 | #define O_IPV6RS O_BASE + 4 | |
00ababe4 RM |
65 | #define O_NOIPV6RS O_BASE + 5 |
66 | #define O_IPV6RA_FORK O_BASE + 6 | |
cdf4387e RM |
67 | // unused O_BASE + 7 |
68 | // unused O_BASE + 8 | |
7dab081f | 69 | #define O_NOALIAS O_BASE + 9 |
00ababe4 RM |
70 | #define O_IA_NA O_BASE + 10 |
71 | #define O_IA_TA O_BASE + 11 | |
72 | #define O_IA_PD O_BASE + 12 | |
d6a18654 | 73 | #define O_HOSTNAME_SHORT O_BASE + 13 |
413652c1 RM |
74 | #define O_DEV O_BASE + 14 |
75 | #define O_NODEV O_BASE + 15 | |
bb8051bf RM |
76 | #define O_NOIPV4 O_BASE + 16 |
77 | #define O_NOIPV6 O_BASE + 17 | |
ebc9d360 | 78 | #define O_IAID O_BASE + 18 |
8e7d8c37 RM |
79 | #define O_DEFINE O_BASE + 19 |
80 | #define O_DEFINE6 O_BASE + 20 | |
81 | #define O_EMBED O_BASE + 21 | |
82 | #define O_ENCAP O_BASE + 22 | |
7a911e57 RM |
83 | #define O_VENDOPT O_BASE + 23 |
84 | #define O_VENDCLASS O_BASE + 24 | |
c73ed171 RM |
85 | #define O_AUTHPROTOCOL O_BASE + 25 |
86 | #define O_AUTHTOKEN O_BASE + 26 | |
87 | #define O_AUTHNOTREQUIRED O_BASE + 27 | |
d4154ba7 RM |
88 | #define O_NODHCP O_BASE + 28 |
89 | #define O_NODHCP6 O_BASE + 29 | |
94bec972 RM |
90 | #define O_DHCP O_BASE + 30 |
91 | #define O_DHCP6 O_BASE + 31 | |
92 | #define O_IPV4 O_BASE + 32 | |
93 | #define O_IPV6 O_BASE + 33 | |
a93e79c6 | 94 | #define O_CONTROLGRP O_BASE + 34 |
1aeaf0e7 | 95 | #define O_SLAAC O_BASE + 35 |
feb553d0 | 96 | #define O_GATEWAY O_BASE + 36 |
2862d340 | 97 | #define O_NOUP O_BASE + 37 |
62f12387 RM |
98 | #define O_IPV6RA_AUTOCONF O_BASE + 38 |
99 | #define O_IPV6RA_NOAUTOCONF O_BASE + 39 | |
85bff648 | 100 | #define O_REJECT O_BASE + 40 |
8f924434 | 101 | #define O_BOOTP O_BASE + 42 |
2be15e88 | 102 | #define O_DEFINEND O_BASE + 43 |
f572315d | 103 | #define O_NODELAY O_BASE + 44 |
567a2357 | 104 | #define O_INFORM6 O_BASE + 45 |
b1ad0d39 | 105 | #define O_LASTLEASE_EXTEND O_BASE + 46 |
b4a86584 | 106 | #define O_INACTIVE O_BASE + 47 |
d85ad7d0 | 107 | #define O_MUDURL O_BASE + 48 |
413652c1 | 108 | |
fd05b7dc | 109 | const struct option cf_options[] = { |
ba97e494 RM |
110 | {"background", no_argument, NULL, 'b'}, |
111 | {"script", required_argument, NULL, 'c'}, | |
112 | {"debug", no_argument, NULL, 'd'}, | |
6bfd88f1 | 113 | {"env", required_argument, NULL, 'e'}, |
ba97e494 | 114 | {"config", required_argument, NULL, 'f'}, |
6bfd88f1 | 115 | {"reconfigure", no_argument, NULL, 'g'}, |
ba97e494 RM |
116 | {"hostname", optional_argument, NULL, 'h'}, |
117 | {"vendorclassid", optional_argument, NULL, 'i'}, | |
e7045be0 | 118 | {"logfile", required_argument, NULL, 'j'}, |
ba97e494 RM |
119 | {"release", no_argument, NULL, 'k'}, |
120 | {"leasetime", required_argument, NULL, 'l'}, | |
121 | {"metric", required_argument, NULL, 'm'}, | |
122 | {"rebind", no_argument, NULL, 'n'}, | |
123 | {"option", required_argument, NULL, 'o'}, | |
124 | {"persistent", no_argument, NULL, 'p'}, | |
125 | {"quiet", no_argument, NULL, 'q'}, | |
126 | {"request", optional_argument, NULL, 'r'}, | |
127 | {"inform", optional_argument, NULL, 's'}, | |
567a2357 | 128 | {"inform6", optional_argument, NULL, O_INFORM6}, |
ba97e494 RM |
129 | {"timeout", required_argument, NULL, 't'}, |
130 | {"userclass", required_argument, NULL, 'u'}, | |
131 | {"vendor", required_argument, NULL, 'v'}, | |
7013b073 | 132 | {"waitip", optional_argument, NULL, 'w'}, |
ba97e494 | 133 | {"exit", no_argument, NULL, 'x'}, |
d3088c74 | 134 | {"allowinterfaces", required_argument, NULL, 'z'}, |
a2a9a498 | 135 | {"reboot", required_argument, NULL, 'y'}, |
ba97e494 RM |
136 | {"noarp", no_argument, NULL, 'A'}, |
137 | {"nobackground", no_argument, NULL, 'B'}, | |
138 | {"nohook", required_argument, NULL, 'C'}, | |
139 | {"duid", no_argument, NULL, 'D'}, | |
140 | {"lastlease", no_argument, NULL, 'E'}, | |
141 | {"fqdn", optional_argument, NULL, 'F'}, | |
142 | {"nogateway", no_argument, NULL, 'G'}, | |
00ababe4 | 143 | {"xidhwaddr", no_argument, NULL, 'H'}, |
ba97e494 | 144 | {"clientid", optional_argument, NULL, 'I'}, |
900b3da4 | 145 | {"broadcast", no_argument, NULL, 'J'}, |
ba97e494 RM |
146 | {"nolink", no_argument, NULL, 'K'}, |
147 | {"noipv4ll", no_argument, NULL, 'L'}, | |
b3174181 | 148 | {"master", no_argument, NULL, 'M'}, |
56a66017 | 149 | {"renew", no_argument, NULL, 'N'}, |
5114e3dc | 150 | {"nooption", required_argument, NULL, 'O'}, |
c31b1719 | 151 | {"printpidfile", no_argument, NULL, 'P'}, |
ba97e494 | 152 | {"require", required_argument, NULL, 'Q'}, |
91a44b91 | 153 | {"static", required_argument, NULL, 'S'}, |
ba97e494 | 154 | {"test", no_argument, NULL, 'T'}, |
dc60cba4 | 155 | {"dumplease", no_argument, NULL, 'U'}, |
ba97e494 | 156 | {"variables", no_argument, NULL, 'V'}, |
bf80d526 | 157 | {"whitelist", required_argument, NULL, 'W'}, |
ba97e494 | 158 | {"blacklist", required_argument, NULL, 'X'}, |
d3088c74 | 159 | {"denyinterfaces", required_argument, NULL, 'Z'}, |
df574999 RM |
160 | {"oneshot", no_argument, NULL, '1'}, |
161 | {"ipv4only", no_argument, NULL, '4'}, | |
162 | {"ipv6only", no_argument, NULL, '6'}, | |
4ca7460f | 163 | {"arping", required_argument, NULL, O_ARPING}, |
41c60e02 | 164 | {"destination", required_argument, NULL, O_DESTINATION}, |
ff021b0b | 165 | {"fallback", required_argument, NULL, O_FALLBACK}, |
eebe9a18 | 166 | {"ipv6rs", no_argument, NULL, O_IPV6RS}, |
91cd7324 | 167 | {"noipv6rs", no_argument, NULL, O_NOIPV6RS}, |
62f12387 RM |
168 | {"ipv6ra_autoconf", no_argument, NULL, O_IPV6RA_AUTOCONF}, |
169 | {"ipv6ra_noautoconf", no_argument, NULL, O_IPV6RA_NOAUTOCONF}, | |
eebe9a18 | 170 | {"ipv6ra_fork", no_argument, NULL, O_IPV6RA_FORK}, |
94bec972 | 171 | {"ipv4", no_argument, NULL, O_IPV4}, |
bb8051bf | 172 | {"noipv4", no_argument, NULL, O_NOIPV4}, |
94bec972 | 173 | {"ipv6", no_argument, NULL, O_IPV6}, |
bb8051bf | 174 | {"noipv6", no_argument, NULL, O_NOIPV6}, |
7dab081f | 175 | {"noalias", no_argument, NULL, O_NOALIAS}, |
7a911e57 | 176 | {"iaid", required_argument, NULL, O_IAID}, |
00ababe4 RM |
177 | {"ia_na", no_argument, NULL, O_IA_NA}, |
178 | {"ia_ta", no_argument, NULL, O_IA_TA}, | |
179 | {"ia_pd", no_argument, NULL, O_IA_PD}, | |
d6a18654 | 180 | {"hostname_short", no_argument, NULL, O_HOSTNAME_SHORT}, |
413652c1 RM |
181 | {"dev", required_argument, NULL, O_DEV}, |
182 | {"nodev", no_argument, NULL, O_NODEV}, | |
7a911e57 | 183 | {"define", required_argument, NULL, O_DEFINE}, |
2be15e88 | 184 | {"definend", required_argument, NULL, O_DEFINEND}, |
7a911e57 RM |
185 | {"define6", required_argument, NULL, O_DEFINE6}, |
186 | {"embed", required_argument, NULL, O_EMBED}, | |
187 | {"encap", required_argument, NULL, O_ENCAP}, | |
188 | {"vendopt", required_argument, NULL, O_VENDOPT}, | |
189 | {"vendclass", required_argument, NULL, O_VENDCLASS}, | |
c73ed171 RM |
190 | {"authprotocol", required_argument, NULL, O_AUTHPROTOCOL}, |
191 | {"authtoken", required_argument, NULL, O_AUTHTOKEN}, | |
192 | {"noauthrequired", no_argument, NULL, O_AUTHNOTREQUIRED}, | |
94bec972 | 193 | {"dhcp", no_argument, NULL, O_DHCP}, |
d4154ba7 | 194 | {"nodhcp", no_argument, NULL, O_NODHCP}, |
94bec972 | 195 | {"dhcp6", no_argument, NULL, O_DHCP6}, |
d4154ba7 | 196 | {"nodhcp6", no_argument, NULL, O_NODHCP6}, |
a93e79c6 | 197 | {"controlgroup", required_argument, NULL, O_CONTROLGRP}, |
1aeaf0e7 | 198 | {"slaac", required_argument, NULL, O_SLAAC}, |
feb553d0 | 199 | {"gateway", no_argument, NULL, O_GATEWAY}, |
85bff648 | 200 | {"reject", required_argument, NULL, O_REJECT}, |
8f924434 | 201 | {"bootp", no_argument, NULL, O_BOOTP}, |
f572315d | 202 | {"nodelay", no_argument, NULL, O_NODELAY}, |
2862d340 | 203 | {"noup", no_argument, NULL, O_NOUP}, |
b1ad0d39 | 204 | {"lastleaseextend", no_argument, NULL, O_LASTLEASE_EXTEND}, |
b4a86584 | 205 | {"inactive", no_argument, NULL, O_INACTIVE}, |
d85ad7d0 | 206 | {"mudurl", required_argument, NULL, O_MUDURL}, |
ba97e494 | 207 | {NULL, 0, NULL, '\0'} |
fd05b7dc RM |
208 | }; |
209 | ||
00ababe4 | 210 | static char * |
03274c9c | 211 | add_environ(struct if_options *ifo, const char *value, int uniq) |
fd05b7dc RM |
212 | { |
213 | char **newlist; | |
214 | char **lst = ifo->environ; | |
215 | size_t i = 0, l, lv; | |
fa245a4d | 216 | char *match = NULL, *p, *n; |
fd05b7dc | 217 | |
78369646 RM |
218 | match = strdup(value); |
219 | if (match == NULL) { | |
94d1ded9 | 220 | logerr(__func__); |
78369646 RM |
221 | return NULL; |
222 | } | |
fd05b7dc | 223 | p = strchr(match, '='); |
d7cfde68 | 224 | if (p == NULL) { |
94d1ded9 | 225 | logerrx("%s: no assignment: %s", __func__, value); |
d7cfde68 RM |
226 | free(match); |
227 | return NULL; | |
228 | } | |
229 | *p++ = '\0'; | |
fd05b7dc RM |
230 | l = strlen(match); |
231 | ||
232 | while (lst && lst[i]) { | |
233 | if (match && strncmp(lst[i], match, l) == 0) { | |
234 | if (uniq) { | |
78369646 RM |
235 | n = strdup(value); |
236 | if (n == NULL) { | |
94d1ded9 | 237 | logerr(__func__); |
8fc52ced | 238 | free(match); |
78369646 RM |
239 | return NULL; |
240 | } | |
fd05b7dc | 241 | free(lst[i]); |
78369646 | 242 | lst[i] = n; |
fd05b7dc RM |
243 | } else { |
244 | /* Append a space and the value to it */ | |
245 | l = strlen(lst[i]); | |
d7cfde68 | 246 | lv = strlen(p); |
fa245a4d RM |
247 | n = realloc(lst[i], l + lv + 2); |
248 | if (n == NULL) { | |
94d1ded9 | 249 | logerr(__func__); |
8fc52ced | 250 | free(match); |
fa245a4d RM |
251 | return NULL; |
252 | } | |
253 | lst[i] = n; | |
fd05b7dc RM |
254 | lst[i][l] = ' '; |
255 | memcpy(lst[i] + l + 1, p, lv); | |
256 | lst[i][l + lv + 1] = '\0'; | |
257 | } | |
258 | free(match); | |
259 | return lst[i]; | |
260 | } | |
261 | i++; | |
262 | } | |
263 | ||
8fc52ced | 264 | free(match); |
78369646 RM |
265 | n = strdup(value); |
266 | if (n == NULL) { | |
94d1ded9 | 267 | logerr(__func__); |
78369646 RM |
268 | return NULL; |
269 | } | |
62c5b972 | 270 | newlist = reallocarray(lst, i + 2, sizeof(char *)); |
fa245a4d | 271 | if (newlist == NULL) { |
94d1ded9 | 272 | logerr(__func__); |
8fc52ced | 273 | free(n); |
fa245a4d RM |
274 | return NULL; |
275 | } | |
78369646 | 276 | newlist[i] = n; |
fd05b7dc RM |
277 | newlist[i + 1] = NULL; |
278 | ifo->environ = newlist; | |
fd05b7dc RM |
279 | return newlist[i]; |
280 | } | |
281 | ||
282 | #define parse_string(buf, len, arg) parse_string_hwaddr(buf, len, arg, 0) | |
283 | static ssize_t | |
34457fe6 | 284 | parse_string_hwaddr(char *sbuf, size_t slen, const char *str, int clid) |
fd05b7dc | 285 | { |
34457fe6 | 286 | size_t l; |
fd05b7dc RM |
287 | const char *p; |
288 | int i, punt_last = 0; | |
d11f52f2 | 289 | char c[4], cmd; |
fd05b7dc RM |
290 | |
291 | /* If surrounded by quotes then it's a string */ | |
292 | if (*str == '"') { | |
293 | str++; | |
294 | l = strlen(str); | |
295 | p = str + l - 1; | |
296 | if (*p == '"') | |
297 | punt_last = 1; | |
298 | } else { | |
34457fe6 RM |
299 | l = (size_t)hwaddr_aton(NULL, str); |
300 | if ((ssize_t) l != -1 && l > 1) { | |
fd05b7dc RM |
301 | if (l > slen) { |
302 | errno = ENOBUFS; | |
303 | return -1; | |
304 | } | |
305 | hwaddr_aton((uint8_t *)sbuf, str); | |
34457fe6 | 306 | return (ssize_t)l; |
fd05b7dc RM |
307 | } |
308 | } | |
309 | ||
310 | /* Process escapes */ | |
311 | l = 0; | |
312 | /* If processing a string on the clientid, first byte should be | |
313 | * 0 to indicate a non hardware type */ | |
9c9ad2f1 | 314 | if (clid && *str) { |
7a911e57 RM |
315 | if (sbuf) |
316 | *sbuf++ = 0; | |
fd05b7dc RM |
317 | l++; |
318 | } | |
319 | c[3] = '\0'; | |
320 | while (*str) { | |
7a911e57 | 321 | if (++l > slen && sbuf) { |
fd05b7dc RM |
322 | errno = ENOBUFS; |
323 | return -1; | |
324 | } | |
325 | if (*str == '\\') { | |
326 | str++; | |
d11f52f2 | 327 | switch((cmd = *str++)) { |
fd05b7dc | 328 | case '\0': |
d11f52f2 | 329 | str--; |
fd05b7dc RM |
330 | break; |
331 | case 'b': | |
7a911e57 RM |
332 | if (sbuf) |
333 | *sbuf++ = '\b'; | |
fd05b7dc RM |
334 | break; |
335 | case 'n': | |
7a911e57 RM |
336 | if (sbuf) |
337 | *sbuf++ = '\n'; | |
fd05b7dc RM |
338 | break; |
339 | case 'r': | |
7a911e57 RM |
340 | if (sbuf) |
341 | *sbuf++ = '\r'; | |
fd05b7dc RM |
342 | break; |
343 | case 't': | |
7a911e57 RM |
344 | if (sbuf) |
345 | *sbuf++ = '\t'; | |
fd05b7dc RM |
346 | break; |
347 | case 'x': | |
348 | /* Grab a hex code */ | |
349 | c[1] = '\0'; | |
350 | for (i = 0; i < 2; i++) { | |
351 | if (isxdigit((unsigned char)*str) == 0) | |
352 | break; | |
353 | c[i] = *str++; | |
354 | } | |
7a911e57 | 355 | if (c[1] != '\0' && sbuf) { |
fd05b7dc | 356 | c[2] = '\0'; |
34457fe6 | 357 | *sbuf++ = (char)strtol(c, NULL, 16); |
fd05b7dc RM |
358 | } else |
359 | l--; | |
360 | break; | |
361 | case '0': | |
362 | /* Grab an octal code */ | |
363 | c[2] = '\0'; | |
364 | for (i = 0; i < 3; i++) { | |
365 | if (*str < '0' || *str > '7') | |
366 | break; | |
367 | c[i] = *str++; | |
368 | } | |
7a911e57 | 369 | if (c[2] != '\0' && sbuf) { |
34457fe6 | 370 | i = (int)strtol(c, NULL, 8); |
fd05b7dc RM |
371 | if (i > 255) |
372 | i = 255; | |
34457fe6 | 373 | *sbuf ++= (char)i; |
fd05b7dc RM |
374 | } else |
375 | l--; | |
376 | break; | |
377 | default: | |
7a911e57 | 378 | if (sbuf) |
d11f52f2 | 379 | *sbuf++ = cmd; |
7a911e57 | 380 | break; |
fd05b7dc | 381 | } |
7a911e57 RM |
382 | } else { |
383 | if (sbuf) | |
384 | *sbuf++ = *str; | |
385 | str++; | |
386 | } | |
fd05b7dc | 387 | } |
c35f63c8 | 388 | if (punt_last) { |
7a911e57 RM |
389 | if (sbuf) |
390 | *--sbuf = '\0'; | |
c35f63c8 RM |
391 | l--; |
392 | } | |
34457fe6 | 393 | return (ssize_t)l; |
fd05b7dc RM |
394 | } |
395 | ||
ebc9d360 | 396 | static int |
c73ed171 | 397 | parse_iaid1(uint8_t *iaid, const char *arg, size_t len, int n) |
ebc9d360 | 398 | { |
f94b4eab RM |
399 | int e; |
400 | uint32_t narg; | |
34457fe6 | 401 | ssize_t s; |
ebc9d360 | 402 | |
f94b4eab RM |
403 | narg = (uint32_t)strtou(arg, NULL, 0, 0, UINT32_MAX, &e); |
404 | if (e == 0) { | |
c73ed171 | 405 | if (n) |
f94b4eab RM |
406 | narg = htonl(narg); |
407 | memcpy(iaid, &narg, sizeof(narg)); | |
ebc9d360 RM |
408 | return 0; |
409 | } | |
410 | ||
069e2f28 | 411 | if ((s = parse_string((char *)iaid, len, arg)) < 1) |
ebc9d360 | 412 | return -1; |
ebc9d360 RM |
413 | if (s < 4) |
414 | iaid[3] = '\0'; | |
415 | if (s < 3) | |
416 | iaid[2] = '\0'; | |
417 | if (s < 2) | |
418 | iaid[1] = '\0'; | |
419 | return 0; | |
420 | } | |
421 | ||
c73ed171 RM |
422 | static int |
423 | parse_iaid(uint8_t *iaid, const char *arg, size_t len) | |
424 | { | |
425 | ||
426 | return parse_iaid1(iaid, arg, len, 1); | |
427 | } | |
428 | ||
e5fc8ac4 | 429 | #ifdef AUTH |
c73ed171 RM |
430 | static int |
431 | parse_uint32(uint32_t *i, const char *arg) | |
432 | { | |
433 | ||
434 | return parse_iaid1((uint8_t *)i, arg, sizeof(uint32_t), 0); | |
435 | } | |
e5fc8ac4 | 436 | #endif |
c73ed171 | 437 | |
ba97e494 | 438 | static char ** |
03274c9c | 439 | splitv(int *argc, char **argv, const char *arg) |
ba97e494 | 440 | { |
fa245a4d | 441 | char **n, **v = argv; |
78369646 | 442 | char *o = strdup(arg), *p, *t, *nt; |
ba97e494 | 443 | |
78369646 | 444 | if (o == NULL) { |
94d1ded9 | 445 | logerr(__func__); |
78369646 RM |
446 | return v; |
447 | } | |
ba97e494 RM |
448 | p = o; |
449 | while ((t = strsep(&p, ", "))) { | |
fa245a4d RM |
450 | nt = strdup(t); |
451 | if (nt == NULL) { | |
94d1ded9 | 452 | logerr(__func__); |
8fc52ced RM |
453 | free(o); |
454 | return v; | |
fa245a4d | 455 | } |
62c5b972 | 456 | n = reallocarray(v, (size_t)(*argc) + 1, sizeof(char *)); |
fa245a4d | 457 | if (n == NULL) { |
94d1ded9 | 458 | logerr(__func__); |
8fc52ced RM |
459 | free(o); |
460 | free(nt); | |
461 | return v; | |
fa245a4d RM |
462 | } |
463 | v = n; | |
8fc52ced | 464 | v[(*argc)++] = nt; |
ba97e494 RM |
465 | } |
466 | free(o); | |
00ababe4 | 467 | return v; |
ba97e494 RM |
468 | } |
469 | ||
1f4c1525 | 470 | #ifdef INET |
91a44b91 | 471 | static int |
03274c9c | 472 | parse_addr(struct in_addr *addr, struct in_addr *net, const char *arg) |
91a44b91 RM |
473 | { |
474 | char *p; | |
91a44b91 | 475 | |
2f7cb97c RM |
476 | if (arg == NULL || *arg == '\0') { |
477 | if (addr != NULL) | |
478 | addr->s_addr = 0; | |
479 | if (net != NULL) | |
480 | net->s_addr = 0; | |
91a44b91 | 481 | return 0; |
2f7cb97c | 482 | } |
91a44b91 | 483 | if ((p = strchr(arg, '/')) != NULL) { |
96dbe2c7 RM |
484 | int e; |
485 | intmax_t i; | |
486 | ||
91a44b91 | 487 | *p++ = '\0'; |
96dbe2c7 RM |
488 | i = strtoi(p, NULL, 10, 0, 32, &e); |
489 | if (e != 0 || | |
490 | (net != NULL && inet_cidrtoaddr((int)i, net) != 0)) | |
91a44b91 | 491 | { |
94d1ded9 | 492 | logerrx("`%s' is not a valid CIDR", p); |
91a44b91 RM |
493 | return -1; |
494 | } | |
00ababe4 | 495 | } |
2f7cb97c | 496 | |
91a44b91 | 497 | if (addr != NULL && inet_aton(arg, addr) == 0) { |
94d1ded9 | 498 | logerrx("`%s' is not a valid IP address", arg); |
91a44b91 RM |
499 | return -1; |
500 | } | |
2f7cb97c | 501 | if (p != NULL) |
e095a6eb | 502 | *--p = '/'; |
8fc52ced | 503 | else if (net != NULL && addr != NULL) |
e88c525f | 504 | net->s_addr = ipv4_getnetmask(addr->s_addr); |
91a44b91 | 505 | return 0; |
1f4c1525 | 506 | } |
aae24feb | 507 | #else |
1f4c1525 | 508 | static int |
03274c9c | 509 | parse_addr(__unused struct in_addr *addr, __unused struct in_addr *net, |
1f4c1525 RM |
510 | __unused const char *arg) |
511 | { | |
512 | ||
94d1ded9 | 513 | logerrx("No IPv4 support"); |
aae24feb | 514 | return -1; |
91a44b91 | 515 | } |
1f4c1525 | 516 | #endif |
91a44b91 | 517 | |
00ababe4 | 518 | static const char * |
4eb7b489 | 519 | set_option_space(struct dhcpcd_ctx *ctx, |
49b749f0 RM |
520 | const char *arg, |
521 | const struct dhcp_opt **d, size_t *dl, | |
522 | const struct dhcp_opt **od, size_t *odl, | |
d7555c12 | 523 | struct if_options *ifo, |
85bff648 | 524 | uint8_t *request[], uint8_t *require[], uint8_t *no[], uint8_t *reject[]) |
d7555c12 RM |
525 | { |
526 | ||
ca867830 | 527 | #if !defined(INET) && !defined(INET6) |
2be15e88 | 528 | UNUSED(ctx); |
ca867830 RM |
529 | #endif |
530 | ||
aae24feb | 531 | #ifdef INET6 |
2be15e88 RM |
532 | if (strncmp(arg, "nd_", strlen("nd_")) == 0) { |
533 | *d = ctx->nd_opts; | |
534 | *dl = ctx->nd_opts_len; | |
535 | *od = ifo->nd_override; | |
536 | *odl = ifo->nd_override_len; | |
537 | *request = ifo->requestmasknd; | |
538 | *require = ifo->requiremasknd; | |
539 | *no = ifo->nomasknd; | |
540 | *reject = ifo->rejectmasknd; | |
541 | return arg + strlen("nd_"); | |
542 | } | |
543 | ||
d7555c12 | 544 | if (strncmp(arg, "dhcp6_", strlen("dhcp6_")) == 0) { |
4eb7b489 RM |
545 | *d = ctx->dhcp6_opts; |
546 | *dl = ctx->dhcp6_opts_len; | |
49b749f0 RM |
547 | *od = ifo->dhcp6_override; |
548 | *odl = ifo->dhcp6_override_len; | |
d7555c12 RM |
549 | *request = ifo->requestmask6; |
550 | *require = ifo->requiremask6; | |
551 | *no = ifo->nomask6; | |
85bff648 | 552 | *reject = ifo->rejectmask6; |
d7555c12 RM |
553 | return arg + strlen("dhcp6_"); |
554 | } | |
aae24feb RM |
555 | #endif |
556 | ||
557 | #ifdef INET | |
4eb7b489 RM |
558 | *d = ctx->dhcp_opts; |
559 | *dl = ctx->dhcp_opts_len; | |
49b749f0 RM |
560 | *od = ifo->dhcp_override; |
561 | *odl = ifo->dhcp_override_len; | |
aae24feb RM |
562 | #else |
563 | *d = NULL; | |
ae4e592f | 564 | *dl = 0; |
49b749f0 RM |
565 | *od = NULL; |
566 | *odl = 0; | |
aae24feb | 567 | #endif |
d7555c12 RM |
568 | *request = ifo->requestmask; |
569 | *require = ifo->requiremask; | |
570 | *no = ifo->nomask; | |
85bff648 | 571 | *reject = ifo->rejectmask; |
d7555c12 RM |
572 | return arg; |
573 | } | |
574 | ||
1cd05a96 | 575 | void |
8e7d8c37 RM |
576 | free_dhcp_opt_embenc(struct dhcp_opt *opt) |
577 | { | |
578 | size_t i; | |
bc22d277 | 579 | struct dhcp_opt *o; |
8e7d8c37 | 580 | |
bc22d277 | 581 | free(opt->var); |
8e7d8c37 | 582 | |
bc22d277 | 583 | for (i = 0, o = opt->embopts; i < opt->embopts_len; i++, o++) |
e877fba7 | 584 | free_dhcp_opt_embenc(o); |
8e7d8c37 RM |
585 | free(opt->embopts); |
586 | opt->embopts_len = 0; | |
587 | opt->embopts = NULL; | |
588 | ||
bc22d277 | 589 | for (i = 0, o = opt->encopts; i < opt->encopts_len; i++, o++) |
e877fba7 | 590 | free_dhcp_opt_embenc(o); |
8e7d8c37 RM |
591 | free(opt->encopts); |
592 | opt->encopts_len = 0; | |
593 | opt->encopts = NULL; | |
594 | } | |
595 | ||
1cd05a96 RM |
596 | static char * |
597 | strwhite(const char *s) | |
598 | { | |
599 | ||
4dd50184 RM |
600 | if (s == NULL) |
601 | return NULL; | |
1cd05a96 RM |
602 | while (*s != ' ' && *s != '\t') { |
603 | if (*s == '\0') | |
604 | return NULL; | |
605 | s++; | |
606 | } | |
607 | return UNCONST(s); | |
608 | } | |
609 | ||
610 | static char * | |
611 | strskipwhite(const char *s) | |
612 | { | |
613 | ||
79f1f126 | 614 | if (s == NULL || *s == '\0') |
4dd50184 | 615 | return NULL; |
1cd05a96 | 616 | while (*s == ' ' || *s == '\t') { |
79f1f126 | 617 | s++; |
1cd05a96 RM |
618 | if (*s == '\0') |
619 | return NULL; | |
1cd05a96 RM |
620 | } |
621 | return UNCONST(s); | |
622 | } | |
623 | ||
e5fc8ac4 | 624 | #ifdef AUTH |
c73ed171 RM |
625 | /* Find the end pointer of a string. */ |
626 | static char * | |
627 | strend(const char *s) | |
628 | { | |
629 | ||
630 | s = strskipwhite(s); | |
631 | if (s == NULL) | |
632 | return NULL; | |
633 | if (*s != '"') | |
634 | return strchr(s, ' '); | |
635 | s++; | |
636 | for (; *s != '"' ; s++) { | |
637 | if (*s == '\0') | |
638 | return NULL; | |
639 | if (*s == '\\') { | |
640 | if (*(++s) == '\0') | |
641 | return NULL; | |
642 | } | |
643 | } | |
644 | return UNCONST(++s); | |
645 | } | |
e5fc8ac4 | 646 | #endif |
c73ed171 | 647 | |
fd05b7dc | 648 | static int |
4eb7b489 RM |
649 | parse_option(struct dhcpcd_ctx *ctx, const char *ifname, struct if_options *ifo, |
650 | int opt, const char *arg, struct dhcp_opt **ldop, struct dhcp_opt **edop) | |
fd05b7dc | 651 | { |
f94b4eab | 652 | int e, i, t; |
a93e79c6 | 653 | long l; |
76bb4d03 | 654 | unsigned long u; |
cc71162d | 655 | char *p = NULL, *bp, *fp, *np, **nconf; |
fd05b7dc | 656 | ssize_t s; |
e095a6eb | 657 | struct in_addr addr, addr2; |
fa245a4d | 658 | in_addr_t *naddr; |
91a44b91 | 659 | struct rt *rt; |
49b749f0 | 660 | const struct dhcp_opt *d, *od; |
85bff648 | 661 | uint8_t *request, *require, *no, *reject; |
8e7d8c37 | 662 | struct dhcp_opt **dop, *ndop; |
49b749f0 | 663 | size_t *dop_len, dl, odl; |
7a911e57 | 664 | struct vivco *vivco; |
a93e79c6 | 665 | struct group *grp; |
e5fc8ac4 RM |
666 | #ifdef AUTH |
667 | struct token *token; | |
668 | #endif | |
a93e79c6 | 669 | #ifdef _REENTRANT |
a93e79c6 RM |
670 | struct group grpbuf; |
671 | #endif | |
bd762353 | 672 | #ifdef DHCP6 |
1f4c1525 | 673 | size_t sl; |
ebc9d360 RM |
674 | struct if_ia *ia; |
675 | uint8_t iaid[4]; | |
c25b444e | 676 | #ifndef SMALL |
5985c4e2 | 677 | struct if_sla *sla, *slap; |
c25b444e | 678 | #endif |
1f4c1525 | 679 | #endif |
fd05b7dc | 680 | |
8e7d8c37 RM |
681 | dop = NULL; |
682 | dop_len = NULL; | |
7a02120f RM |
683 | #ifdef INET6 |
684 | i = 0; | |
685 | #endif | |
6bcb242d RM |
686 | |
687 | /* Add a guard for static analysers. | |
688 | * This should not be needed really because of the argument_required option | |
689 | * in the options declaration above. */ | |
690 | #define ARG_REQUIRED if (arg == NULL) goto arg_required | |
691 | ||
fd05b7dc | 692 | switch(opt) { |
5e2062a4 | 693 | case 'f': /* FALLTHROUGH */ |
6bfd88f1 | 694 | case 'g': /* FALLTHROUGH */ |
da166178 | 695 | case 'n': /* FALLTHROUGH */ |
03274c9c | 696 | case 'q': /* FALLTHROUGH */ |
da166178 | 697 | case 'x': /* FALLTHROUGH */ |
56a66017 | 698 | case 'N': /* FALLTHROUGH */ |
c31b1719 | 699 | case 'P': /* FALLTHROUGH */ |
dc60cba4 | 700 | case 'T': /* FALLTHROUGH */ |
b7f5d1db RM |
701 | case 'U': /* FALLTHROUGH */ |
702 | case 'V': /* We need to handle non interface options */ | |
fd05b7dc | 703 | break; |
03c2c879 RM |
704 | case 'b': |
705 | ifo->options |= DHCPCD_BACKGROUND; | |
706 | break; | |
fd05b7dc | 707 | case 'c': |
6bcb242d | 708 | ARG_REQUIRED; |
1681b126 RM |
709 | free(ifo->script); |
710 | ifo->script = strdup(arg); | |
711 | if (ifo->script == NULL) | |
94d1ded9 | 712 | logerr(__func__); |
fd05b7dc | 713 | break; |
acb1cf88 RM |
714 | case 'd': |
715 | ifo->options |= DHCPCD_DEBUG; | |
716 | break; | |
6bfd88f1 | 717 | case 'e': |
6bcb242d | 718 | ARG_REQUIRED; |
03274c9c | 719 | add_environ(ifo, arg, 1); |
6bfd88f1 | 720 | break; |
fd05b7dc | 721 | case 'h': |
cc3c3560 RM |
722 | if (!arg) { |
723 | ifo->options |= DHCPCD_HOSTNAME; | |
724 | break; | |
725 | } | |
726 | s = parse_string(ifo->hostname, HOSTNAME_MAX_LEN, arg); | |
727 | if (s == -1) { | |
94d1ded9 | 728 | logerr("%s: hostname", __func__); |
cc3c3560 RM |
729 | return -1; |
730 | } | |
731 | if (s != 0 && ifo->hostname[0] == '.') { | |
94d1ded9 | 732 | logerrx("hostname cannot begin with ."); |
cc3c3560 | 733 | return -1; |
fd05b7dc | 734 | } |
cc3c3560 | 735 | ifo->hostname[s] = '\0'; |
ed913a59 RM |
736 | if (ifo->hostname[0] == '\0') |
737 | ifo->options &= ~DHCPCD_HOSTNAME; | |
738 | else | |
739 | ifo->options |= DHCPCD_HOSTNAME; | |
fd05b7dc RM |
740 | break; |
741 | case 'i': | |
742 | if (arg) | |
743 | s = parse_string((char *)ifo->vendorclassid + 1, | |
eab2229c | 744 | VENDORCLASSID_MAX_LEN, arg); |
fd05b7dc RM |
745 | else |
746 | s = 0; | |
747 | if (s == -1) { | |
94d1ded9 | 748 | logerr("vendorclassid"); |
fd05b7dc RM |
749 | return -1; |
750 | } | |
751 | *ifo->vendorclassid = (uint8_t)s; | |
752 | break; | |
94d1ded9 RM |
753 | case 'j': |
754 | ARG_REQUIRED; | |
755 | /* per interface logging is not supported | |
756 | * don't want to overide the commandline */ | |
757 | if (ifname == NULL && ctx->logfile == NULL) { | |
758 | logclose(); | |
759 | ctx->logfile = strdup(arg); | |
760 | logopen(ctx->logfile); | |
761 | } | |
762 | break; | |
2662d519 RM |
763 | case 'k': |
764 | ifo->options |= DHCPCD_RELEASE; | |
765 | break; | |
fd05b7dc | 766 | case 'l': |
6bcb242d | 767 | ARG_REQUIRED; |
f94b4eab RM |
768 | ifo->leasetime = (uint32_t)strtou(arg, NULL, |
769 | 0, 0, UINT32_MAX, &e); | |
770 | if (e) { | |
94d1ded9 | 771 | logerrx("failed to convert leasetime %s", arg); |
fd05b7dc RM |
772 | return -1; |
773 | } | |
774 | break; | |
775 | case 'm': | |
6bcb242d | 776 | ARG_REQUIRED; |
f94b4eab RM |
777 | ifo->metric = (int)strtoi(arg, NULL, 0, 0, INT32_MAX, &e); |
778 | if (e) { | |
94d1ded9 | 779 | logerrx("failed to convert metric %s", arg); |
fd05b7dc RM |
780 | return -1; |
781 | } | |
782 | break; | |
783 | case 'o': | |
6bcb242d | 784 | ARG_REQUIRED; |
49b749f0 | 785 | arg = set_option_space(ctx, arg, &d, &dl, &od, &odl, ifo, |
85bff648 | 786 | &request, &require, &no, &reject); |
49b749f0 | 787 | if (make_option_mask(d, dl, od, odl, request, arg, 1) != 0 || |
85bff648 RM |
788 | make_option_mask(d, dl, od, odl, no, arg, -1) != 0 || |
789 | make_option_mask(d, dl, od, odl, reject, arg, -1) != 0) | |
790 | { | |
94d1ded9 | 791 | logerrx("unknown option `%s'", arg); |
85bff648 RM |
792 | return -1; |
793 | } | |
794 | break; | |
795 | case O_REJECT: | |
6bcb242d | 796 | ARG_REQUIRED; |
85bff648 RM |
797 | arg = set_option_space(ctx, arg, &d, &dl, &od, &odl, ifo, |
798 | &request, &require, &no, &reject); | |
799 | if (make_option_mask(d, dl, od, odl, reject, arg, 1) != 0 || | |
800 | make_option_mask(d, dl, od, odl, request, arg, -1) != 0 || | |
801 | make_option_mask(d, dl, od, odl, require, arg, -1) != 0) | |
ee56a47d | 802 | { |
94d1ded9 | 803 | logerrx("unknown option `%s'", arg); |
fd05b7dc RM |
804 | return -1; |
805 | } | |
806 | break; | |
807 | case 'p': | |
808 | ifo->options |= DHCPCD_PERSISTENT; | |
809 | break; | |
2f7cb97c | 810 | case 'r': |
03274c9c | 811 | if (parse_addr(&ifo->req_addr, NULL, arg) != 0) |
2f7cb97c | 812 | return -1; |
5b39d8f5 | 813 | ifo->options |= DHCPCD_REQUEST; |
2f7cb97c RM |
814 | ifo->req_mask.s_addr = 0; |
815 | break; | |
fd05b7dc | 816 | case 's': |
2f7cb97c | 817 | if (arg && *arg != '\0') { |
6dc3763d RM |
818 | /* Strip out a broadcast address */ |
819 | p = strchr(arg, '/'); | |
820 | if (p != NULL) { | |
821 | p = strchr(p + 1, '/'); | |
822 | if (p != NULL) | |
823 | *p = '\0'; | |
824 | } | |
825 | i = parse_addr(&ifo->req_addr, &ifo->req_mask, arg); | |
826 | if (p != NULL) { | |
827 | /* Ensure the original string is preserved */ | |
828 | *p++ = '/'; | |
829 | if (i == 0) | |
830 | i = parse_addr(&ifo->req_brd, NULL, p); | |
831 | } | |
832 | if (i != 0) | |
91a44b91 | 833 | return -1; |
2f7cb97c RM |
834 | } else { |
835 | ifo->req_addr.s_addr = 0; | |
836 | ifo->req_mask.s_addr = 0; | |
fd05b7dc | 837 | } |
5b39d8f5 | 838 | ifo->options |= DHCPCD_INFORM | DHCPCD_PERSISTENT; |
10e16029 | 839 | ifo->options &= ~DHCPCD_STATIC; |
91a44b91 | 840 | break; |
567a2357 RM |
841 | case O_INFORM6: |
842 | ifo->options |= DHCPCD_INFORM6; | |
843 | break; | |
fd05b7dc | 844 | case 't': |
6bcb242d | 845 | ARG_REQUIRED; |
f94b4eab RM |
846 | ifo->timeout = (time_t)strtoi(arg, NULL, 0, 0, INT32_MAX, &e); |
847 | if (e) { | |
94d1ded9 | 848 | logerrx("failed to convert timeout %s", arg); |
fd05b7dc RM |
849 | return -1; |
850 | } | |
851 | break; | |
852 | case 'u': | |
853 | s = USERCLASS_MAX_LEN - ifo->userclass[0] - 1; | |
eab2229c | 854 | s = parse_string((char *)ifo->userclass + |
34457fe6 | 855 | ifo->userclass[0] + 2, (size_t)s, arg); |
fd05b7dc | 856 | if (s == -1) { |
94d1ded9 | 857 | logerr("userclass"); |
fd05b7dc RM |
858 | return -1; |
859 | } | |
860 | if (s != 0) { | |
34457fe6 | 861 | ifo->userclass[ifo->userclass[0] + 1] = (uint8_t)s; |
d7a4dcf9 | 862 | ifo->userclass[0] = (uint8_t)(ifo->userclass[0] + s +1); |
fd05b7dc RM |
863 | } |
864 | break; | |
865 | case 'v': | |
6bcb242d | 866 | ARG_REQUIRED; |
fd05b7dc RM |
867 | p = strchr(arg, ','); |
868 | if (!p || !p[1]) { | |
94d1ded9 | 869 | logerrx("invalid vendor format: %s", arg); |
fd05b7dc RM |
870 | return -1; |
871 | } | |
95d6dcfa RM |
872 | |
873 | /* If vendor starts with , then it is not encapsulated */ | |
874 | if (p == arg) { | |
875 | arg++; | |
876 | s = parse_string((char *)ifo->vendor + 1, | |
877 | VENDOR_MAX_LEN, arg); | |
878 | if (s == -1) { | |
94d1ded9 | 879 | logerr("vendor"); |
95d6dcfa RM |
880 | return -1; |
881 | } | |
882 | ifo->vendor[0] = (uint8_t)s; | |
883 | ifo->options |= DHCPCD_VENDORRAW; | |
884 | break; | |
885 | } | |
886 | ||
887 | /* Encapsulated vendor options */ | |
888 | if (ifo->options & DHCPCD_VENDORRAW) { | |
889 | ifo->options &= ~DHCPCD_VENDORRAW; | |
890 | ifo->vendor[0] = 0; | |
891 | } | |
892 | ||
d7a4dcf9 RM |
893 | /* Strip and preserve the comma */ |
894 | *p = '\0'; | |
f94b4eab | 895 | i = (int)strtoi(arg, NULL, 0, 1, 254, &e); |
d7a4dcf9 | 896 | *p = ','; |
f94b4eab | 897 | if (e) { |
94d1ded9 | 898 | logerrx("vendor option should be between" |
eab2229c | 899 | " 1 and 254 inclusive"); |
fd05b7dc RM |
900 | return -1; |
901 | } | |
b357d09f RM |
902 | |
903 | arg = p + 1; | |
fd05b7dc RM |
904 | s = VENDOR_MAX_LEN - ifo->vendor[0] - 2; |
905 | if (inet_aton(arg, &addr) == 1) { | |
906 | if (s < 6) { | |
907 | s = -1; | |
908 | errno = ENOBUFS; | |
aeddc61a | 909 | } else { |
fd05b7dc | 910 | memcpy(ifo->vendor + ifo->vendor[0] + 3, |
eab2229c | 911 | &addr.s_addr, sizeof(addr.s_addr)); |
aeddc61a RM |
912 | s = sizeof(addr.s_addr); |
913 | } | |
fd05b7dc | 914 | } else { |
eab2229c | 915 | s = parse_string((char *)ifo->vendor + |
34457fe6 | 916 | ifo->vendor[0] + 3, (size_t)s, arg); |
fd05b7dc RM |
917 | } |
918 | if (s == -1) { | |
94d1ded9 | 919 | logerr("vendor"); |
fd05b7dc RM |
920 | return -1; |
921 | } | |
922 | if (s != 0) { | |
34457fe6 RM |
923 | ifo->vendor[ifo->vendor[0] + 1] = (uint8_t)i; |
924 | ifo->vendor[ifo->vendor[0] + 2] = (uint8_t)s; | |
d7a4dcf9 | 925 | ifo->vendor[0] = (uint8_t)(ifo->vendor[0] + s + 2); |
fd05b7dc RM |
926 | } |
927 | break; | |
2a07a2af RM |
928 | case 'w': |
929 | ifo->options |= DHCPCD_WAITIP; | |
7013b073 RM |
930 | if (arg != NULL && arg[0] != '\0') { |
931 | if (arg[0] == '4' || arg[1] == '4') | |
932 | ifo->options |= DHCPCD_WAITIP4; | |
933 | if (arg[0] == '6' || arg[1] == '6') | |
934 | ifo->options |= DHCPCD_WAITIP6; | |
935 | } | |
2a07a2af | 936 | break; |
a2a9a498 | 937 | case 'y': |
6bcb242d | 938 | ARG_REQUIRED; |
f94b4eab RM |
939 | ifo->reboot = (time_t)strtoi(arg, NULL, 0, 0, UINT32_MAX, &e); |
940 | if (e) { | |
94d1ded9 | 941 | logerr("failed to convert reboot %s", arg); |
a2a9a498 RM |
942 | return -1; |
943 | } | |
944 | break; | |
d3088c74 | 945 | case 'z': |
6bcb242d | 946 | ARG_REQUIRED; |
4eb7b489 | 947 | if (ifname == NULL) |
03274c9c | 948 | ctx->ifav = splitv(&ctx->ifac, ctx->ifav, arg); |
d3088c74 | 949 | break; |
fd05b7dc RM |
950 | case 'A': |
951 | ifo->options &= ~DHCPCD_ARP; | |
952 | /* IPv4LL requires ARP */ | |
953 | ifo->options &= ~DHCPCD_IPV4LL; | |
954 | break; | |
03c2c879 RM |
955 | case 'B': |
956 | ifo->options &= ~DHCPCD_DAEMONISE; | |
957 | break; | |
fd05b7dc | 958 | case 'C': |
6bcb242d | 959 | ARG_REQUIRED; |
fd05b7dc RM |
960 | /* Commas to spaces for shell */ |
961 | while ((p = strchr(arg, ','))) | |
962 | *p = ' '; | |
34457fe6 RM |
963 | dl = strlen("skip_hooks=") + strlen(arg) + 1; |
964 | p = malloc(sizeof(char) * dl); | |
28382337 | 965 | if (p == NULL) { |
94d1ded9 | 966 | logerr(__func__); |
28382337 RM |
967 | return -1; |
968 | } | |
34457fe6 | 969 | snprintf(p, dl, "skip_hooks=%s", arg); |
03274c9c | 970 | add_environ(ifo, p, 0); |
fd05b7dc RM |
971 | free(p); |
972 | break; | |
973 | case 'D': | |
c989b023 | 974 | ifo->options |= DHCPCD_CLIENTID | DHCPCD_DUID; |
fd05b7dc RM |
975 | break; |
976 | case 'E': | |
977 | ifo->options |= DHCPCD_LASTLEASE; | |
978 | break; | |
979 | case 'F': | |
980 | if (!arg) { | |
981 | ifo->fqdn = FQDN_BOTH; | |
982 | break; | |
983 | } | |
984 | if (strcmp(arg, "none") == 0) | |
985 | ifo->fqdn = FQDN_NONE; | |
986 | else if (strcmp(arg, "ptr") == 0) | |
987 | ifo->fqdn = FQDN_PTR; | |
988 | else if (strcmp(arg, "both") == 0) | |
989 | ifo->fqdn = FQDN_BOTH; | |
990 | else if (strcmp(arg, "disable") == 0) | |
991 | ifo->fqdn = FQDN_DISABLE; | |
992 | else { | |
94d1ded9 | 993 | logerrx("invalid value `%s' for FQDN", arg); |
fd05b7dc RM |
994 | return -1; |
995 | } | |
996 | break; | |
feb553d0 RM |
997 | case 'G': |
998 | ifo->options &= ~DHCPCD_GATEWAY; | |
999 | break; | |
4242c9b3 RM |
1000 | case 'H': |
1001 | ifo->options |= DHCPCD_XID_HWADDR; | |
1002 | break; | |
fd05b7dc RM |
1003 | case 'I': |
1004 | /* Strings have a type of 0 */; | |
1005 | ifo->clientid[1] = 0; | |
1006 | if (arg) | |
1007 | s = parse_string_hwaddr((char *)ifo->clientid + 1, | |
eab2229c | 1008 | CLIENTID_MAX_LEN, arg, 1); |
fd05b7dc RM |
1009 | else |
1010 | s = 0; | |
1011 | if (s == -1) { | |
94d1ded9 | 1012 | logerr("clientid"); |
fd05b7dc RM |
1013 | return -1; |
1014 | } | |
c989b023 | 1015 | ifo->options |= DHCPCD_CLIENTID; |
fd05b7dc | 1016 | ifo->clientid[0] = (uint8_t)s; |
fd05b7dc | 1017 | break; |
900b3da4 RM |
1018 | case 'J': |
1019 | ifo->options |= DHCPCD_BROADCAST; | |
1020 | break; | |
fd05b7dc RM |
1021 | case 'K': |
1022 | ifo->options &= ~DHCPCD_LINK; | |
1023 | break; | |
1024 | case 'L': | |
1025 | ifo->options &= ~DHCPCD_IPV4LL; | |
1026 | break; | |
b3174181 RM |
1027 | case 'M': |
1028 | ifo->options |= DHCPCD_MASTER; | |
1029 | break; | |
fd05b7dc | 1030 | case 'O': |
6bcb242d | 1031 | ARG_REQUIRED; |
49b749f0 | 1032 | arg = set_option_space(ctx, arg, &d, &dl, &od, &odl, ifo, |
85bff648 | 1033 | &request, &require, &no, &reject); |
49b749f0 RM |
1034 | if (make_option_mask(d, dl, od, odl, request, arg, -1) != 0 || |
1035 | make_option_mask(d, dl, od, odl, require, arg, -1) != 0 || | |
1036 | make_option_mask(d, dl, od, odl, no, arg, 1) != 0) | |
fd05b7dc | 1037 | { |
94d1ded9 | 1038 | logerrx("unknown option `%s'", arg); |
fd05b7dc RM |
1039 | return -1; |
1040 | } | |
1041 | break; | |
1042 | case 'Q': | |
6bcb242d | 1043 | ARG_REQUIRED; |
49b749f0 | 1044 | arg = set_option_space(ctx, arg, &d, &dl, &od, &odl, ifo, |
85bff648 | 1045 | &request, &require, &no, &reject); |
49b749f0 RM |
1046 | if (make_option_mask(d, dl, od, odl, require, arg, 1) != 0 || |
1047 | make_option_mask(d, dl, od, odl, request, arg, 1) != 0 || | |
85bff648 RM |
1048 | make_option_mask(d, dl, od, odl, no, arg, -1) != 0 || |
1049 | make_option_mask(d, dl, od, odl, reject, arg, -1) != 0) | |
fd05b7dc | 1050 | { |
94d1ded9 | 1051 | logerrx("unknown option `%s'", arg); |
fd05b7dc RM |
1052 | return -1; |
1053 | } | |
1054 | break; | |
91a44b91 | 1055 | case 'S': |
6bcb242d | 1056 | ARG_REQUIRED; |
91a44b91 RM |
1057 | p = strchr(arg, '='); |
1058 | if (p == NULL) { | |
94d1ded9 | 1059 | logerrx("static assignment required"); |
91a44b91 RM |
1060 | return -1; |
1061 | } | |
1062 | p++; | |
1063 | if (strncmp(arg, "ip_address=", strlen("ip_address=")) == 0) { | |
03274c9c | 1064 | if (parse_addr(&ifo->req_addr, |
776961cf RM |
1065 | ifo->req_mask.s_addr == 0 ? &ifo->req_mask : NULL, |
1066 | p) != 0) | |
91a44b91 RM |
1067 | return -1; |
1068 | ||
1069 | ifo->options |= DHCPCD_STATIC; | |
fa8b2a7a | 1070 | ifo->options &= ~DHCPCD_INFORM; |
069e2f28 RM |
1071 | } else if (strncmp(arg, "subnet_mask=", |
1072 | strlen("subnet_mask=")) == 0) | |
1073 | { | |
03274c9c | 1074 | if (parse_addr(&ifo->req_mask, NULL, p) != 0) |
776961cf | 1075 | return -1; |
6dc3763d RM |
1076 | } else if (strncmp(arg, "broadcast_address=", |
1077 | strlen("broadcast_address=")) == 0) | |
1078 | { | |
1079 | if (parse_addr(&ifo->req_brd, NULL, p) != 0) | |
1080 | return -1; | |
91a44b91 | 1081 | } else if (strncmp(arg, "routes=", strlen("routes=")) == 0 || |
069e2f28 RM |
1082 | strncmp(arg, "static_routes=", |
1083 | strlen("static_routes=")) == 0 || | |
1084 | strncmp(arg, "classless_static_routes=", | |
1085 | strlen("classless_static_routes=")) == 0 || | |
1086 | strncmp(arg, "ms_classless_static_routes=", | |
1087 | strlen("ms_classless_static_routes=")) == 0) | |
91a44b91 | 1088 | { |
9aa11487 RM |
1089 | struct in_addr addr3; |
1090 | ||
1cd05a96 | 1091 | fp = np = strwhite(p); |
91a44b91 | 1092 | if (np == NULL) { |
94d1ded9 | 1093 | logerrx("all routes need a gateway"); |
91a44b91 RM |
1094 | return -1; |
1095 | } | |
1096 | *np++ = '\0'; | |
1cd05a96 | 1097 | np = strskipwhite(np); |
03274c9c RM |
1098 | if (parse_addr(&addr, &addr2, p) == -1 || |
1099 | parse_addr(&addr3, NULL, np) == -1) | |
9aa11487 | 1100 | { |
4c9c4b3e RM |
1101 | *fp = ' '; |
1102 | return -1; | |
91a44b91 | 1103 | } |
77cdf115 | 1104 | if ((rt = rt_new0(ctx)) == NULL) { |
332a5fe6 | 1105 | *fp = ' '; |
91a44b91 | 1106 | return -1; |
332a5fe6 | 1107 | } |
9aa11487 RM |
1108 | sa_in_init(&rt->rt_dest, &addr); |
1109 | sa_in_init(&rt->rt_netmask, &addr2); | |
1110 | sa_in_init(&rt->rt_gateway, &addr3); | |
1111 | TAILQ_INSERT_TAIL(&ifo->routes, rt, rt_next); | |
332a5fe6 | 1112 | *fp = ' '; |
91a44b91 | 1113 | } else if (strncmp(arg, "routers=", strlen("routers=")) == 0) { |
03274c9c | 1114 | if (parse_addr(&addr, NULL, p) == -1) |
4c9c4b3e | 1115 | return -1; |
77cdf115 | 1116 | if ((rt = rt_new0(ctx)) == NULL) |
91a44b91 | 1117 | return -1; |
9aa11487 RM |
1118 | addr2.s_addr = INADDR_ANY; |
1119 | sa_in_init(&rt->rt_dest, &addr2); | |
1120 | sa_in_init(&rt->rt_netmask, &addr2); | |
1121 | sa_in_init(&rt->rt_gateway, &addr); | |
1122 | TAILQ_INSERT_TAIL(&ifo->routes, rt, rt_next); | |
afcd7cbd RM |
1123 | } else if (strncmp(arg, "interface_mtu=", |
1124 | strlen("interface_mtu=")) == 0 || | |
1125 | strncmp(arg, "mtu=", strlen("mtu=")) == 0) | |
1126 | { | |
1127 | ifo->mtu = (unsigned int)strtou(p, NULL, 0, | |
1128 | MTU_MIN, MTU_MAX, &e); | |
1129 | if (e) { | |
94d1ded9 | 1130 | logerrx("invalid MTU %s", p); |
afcd7cbd RM |
1131 | return -1; |
1132 | } | |
408fe755 RM |
1133 | } else if (strncmp(arg, "ip6_address=", strlen("ip6_address=")) == 0) { |
1134 | np = strchr(p, '/'); | |
1135 | if (np) | |
1136 | *np++ = '\0'; | |
1137 | if (inet_pton(AF_INET6, p, &ifo->req_addr6) == 1) { | |
1138 | if (np) { | |
1139 | ifo->req_prefix_len = (uint8_t)strtou(np, | |
1140 | NULL, 0, 0, 128, &e); | |
1141 | if (e) { | |
94d1ded9 | 1142 | logerrx("%s: failed to " |
408fe755 RM |
1143 | "convert prefix len", |
1144 | ifname); | |
1145 | return -1; | |
1146 | } | |
1147 | } else | |
1148 | ifo->req_prefix_len = 128; | |
1149 | } | |
91a44b91 | 1150 | } else { |
34457fe6 | 1151 | dl = 0; |
91a44b91 | 1152 | if (ifo->config != NULL) { |
34457fe6 RM |
1153 | while (ifo->config[dl] != NULL) { |
1154 | if (strncmp(ifo->config[dl], arg, | |
1155 | (size_t)(p - arg)) == 0) | |
eab2229c | 1156 | { |
78369646 RM |
1157 | p = strdup(arg); |
1158 | if (p == NULL) { | |
94d1ded9 | 1159 | logerr(__func__); |
78369646 RM |
1160 | return -1; |
1161 | } | |
34457fe6 RM |
1162 | free(ifo->config[dl]); |
1163 | ifo->config[dl] = p; | |
91a44b91 RM |
1164 | return 1; |
1165 | } | |
34457fe6 | 1166 | dl++; |
91a44b91 RM |
1167 | } |
1168 | } | |
78369646 | 1169 | p = strdup(arg); |
fa245a4d | 1170 | if (p == NULL) { |
94d1ded9 | 1171 | logerr(__func__); |
fa245a4d RM |
1172 | return -1; |
1173 | } | |
ebdb8730 | 1174 | nconf = reallocarray(ifo->config, dl+2, sizeof(char *)); |
78369646 | 1175 | if (nconf == NULL) { |
94d1ded9 | 1176 | logerr(__func__); |
66ca918f | 1177 | free(p); |
78369646 RM |
1178 | return -1; |
1179 | } | |
fa245a4d | 1180 | ifo->config = nconf; |
34457fe6 RM |
1181 | ifo->config[dl] = p; |
1182 | ifo->config[dl + 1] = NULL; | |
91a44b91 RM |
1183 | } |
1184 | break; | |
bf80d526 | 1185 | case 'W': |
03274c9c | 1186 | if (parse_addr(&addr, &addr2, arg) != 0) |
bf80d526 RM |
1187 | return -1; |
1188 | if (strchr(arg, '/') == NULL) | |
1189 | addr2.s_addr = INADDR_BROADCAST; | |
62c5b972 RM |
1190 | naddr = reallocarray(ifo->whitelist, |
1191 | ifo->whitelist_len + 2, sizeof(in_addr_t)); | |
fa245a4d | 1192 | if (naddr == NULL) { |
94d1ded9 | 1193 | logerr(__func__); |
fa245a4d RM |
1194 | return -1; |
1195 | } | |
1196 | ifo->whitelist = naddr; | |
bf80d526 RM |
1197 | ifo->whitelist[ifo->whitelist_len++] = addr.s_addr; |
1198 | ifo->whitelist[ifo->whitelist_len++] = addr2.s_addr; | |
1199 | break; | |
fd05b7dc | 1200 | case 'X': |
03274c9c | 1201 | if (parse_addr(&addr, &addr2, arg) != 0) |
fd05b7dc | 1202 | return -1; |
ce6b39df RM |
1203 | if (strchr(arg, '/') == NULL) |
1204 | addr2.s_addr = INADDR_BROADCAST; | |
62c5b972 RM |
1205 | naddr = reallocarray(ifo->blacklist, |
1206 | ifo->blacklist_len + 2, sizeof(in_addr_t)); | |
fa245a4d | 1207 | if (naddr == NULL) { |
94d1ded9 | 1208 | logerr(__func__); |
fa245a4d RM |
1209 | return -1; |
1210 | } | |
1211 | ifo->blacklist = naddr; | |
e095a6eb RM |
1212 | ifo->blacklist[ifo->blacklist_len++] = addr.s_addr; |
1213 | ifo->blacklist[ifo->blacklist_len++] = addr2.s_addr; | |
fd05b7dc | 1214 | break; |
d3088c74 | 1215 | case 'Z': |
6bcb242d | 1216 | ARG_REQUIRED; |
4eb7b489 | 1217 | if (ifname == NULL) |
03274c9c | 1218 | ctx->ifdv = splitv(&ctx->ifdc, ctx->ifdv, arg); |
d3088c74 | 1219 | break; |
df574999 RM |
1220 | case '1': |
1221 | ifo->options |= DHCPCD_ONESHOT; | |
1222 | break; | |
d7555c12 | 1223 | case '4': |
2f0addfd | 1224 | ifo->options &= ~DHCPCD_IPV6; |
d7555c12 RM |
1225 | ifo->options |= DHCPCD_IPV4; |
1226 | break; | |
1227 | case '6': | |
1228 | ifo->options &= ~DHCPCD_IPV4; | |
2f0addfd | 1229 | ifo->options |= DHCPCD_IPV6; |
d7555c12 | 1230 | break; |
94bec972 RM |
1231 | case O_IPV4: |
1232 | ifo->options |= DHCPCD_IPV4; | |
1233 | break; | |
bb8051bf RM |
1234 | case O_NOIPV4: |
1235 | ifo->options &= ~DHCPCD_IPV4; | |
1236 | break; | |
94bec972 RM |
1237 | case O_IPV6: |
1238 | ifo->options |= DHCPCD_IPV6; | |
1239 | break; | |
bb8051bf RM |
1240 | case O_NOIPV6: |
1241 | ifo->options &= ~DHCPCD_IPV6; | |
1242 | break; | |
aae24feb | 1243 | #ifdef INET |
4ca7460f | 1244 | case O_ARPING: |
79f1f126 | 1245 | while (arg != NULL) { |
48ac077b RM |
1246 | fp = strwhite(arg); |
1247 | if (fp) | |
1248 | *fp++ = '\0'; | |
03274c9c | 1249 | if (parse_addr(&addr, NULL, arg) != 0) |
48ac077b | 1250 | return -1; |
62c5b972 RM |
1251 | naddr = reallocarray(ifo->arping, |
1252 | (size_t)ifo->arping_len + 1, sizeof(in_addr_t)); | |
48ac077b | 1253 | if (naddr == NULL) { |
94d1ded9 | 1254 | logerr(__func__); |
48ac077b RM |
1255 | return -1; |
1256 | } | |
1257 | ifo->arping = naddr; | |
1258 | ifo->arping[ifo->arping_len++] = addr.s_addr; | |
4dd50184 | 1259 | arg = strskipwhite(fp); |
fa245a4d | 1260 | } |
4ca7460f | 1261 | break; |
41c60e02 | 1262 | case O_DESTINATION: |
6bcb242d | 1263 | ARG_REQUIRED; |
49b749f0 | 1264 | arg = set_option_space(ctx, arg, &d, &dl, &od, &odl, ifo, |
85bff648 | 1265 | &request, &require, &no, &reject); |
49b749f0 RM |
1266 | if (make_option_mask(d, dl, od, odl, |
1267 | ifo->dstmask, arg, 2) != 0) | |
1268 | { | |
41c60e02 | 1269 | if (errno == EINVAL) |
94d1ded9 | 1270 | logerrx("option `%s' does not take" |
41c60e02 RM |
1271 | " an IPv4 address", arg); |
1272 | else | |
94d1ded9 | 1273 | logerrx("unknown option `%s'", arg); |
41c60e02 RM |
1274 | return -1; |
1275 | } | |
1276 | break; | |
ff021b0b | 1277 | case O_FALLBACK: |
6bcb242d | 1278 | ARG_REQUIRED; |
ff021b0b | 1279 | free(ifo->fallback); |
78369646 RM |
1280 | ifo->fallback = strdup(arg); |
1281 | if (ifo->fallback == NULL) { | |
94d1ded9 | 1282 | logerrx(__func__); |
00ababe4 | 1283 | return -1; |
78369646 | 1284 | } |
ff021b0b | 1285 | break; |
aae24feb | 1286 | #endif |
ebc9d360 | 1287 | case O_IAID: |
6bcb242d | 1288 | ARG_REQUIRED; |
9ff636a5 | 1289 | if (ifname == NULL) { |
94d1ded9 | 1290 | logerrx("IAID must belong in an interface block"); |
9ff636a5 RM |
1291 | return -1; |
1292 | } | |
069e2f28 | 1293 | if (parse_iaid(ifo->iaid, arg, sizeof(ifo->iaid)) == -1) { |
94d1ded9 | 1294 | logerrx("invalid IAID %s", arg); |
ebc9d360 | 1295 | return -1; |
069e2f28 | 1296 | } |
ebc9d360 | 1297 | ifo->options |= DHCPCD_IAID; |
563a421c | 1298 | break; |
eebe9a18 RM |
1299 | case O_IPV6RS: |
1300 | ifo->options |= DHCPCD_IPV6RS; | |
1301 | break; | |
91cd7324 | 1302 | case O_NOIPV6RS: |
61dd6cf9 RM |
1303 | ifo->options &= ~DHCPCD_IPV6RS; |
1304 | break; | |
eebe9a18 | 1305 | case O_IPV6RA_FORK: |
61dd6cf9 | 1306 | ifo->options &= ~DHCPCD_IPV6RA_REQRDNSS; |
91cd7324 | 1307 | break; |
62f12387 RM |
1308 | case O_IPV6RA_AUTOCONF: |
1309 | ifo->options |= DHCPCD_IPV6RA_AUTOCONF; | |
1310 | break; | |
1311 | case O_IPV6RA_NOAUTOCONF: | |
1312 | ifo->options &= ~DHCPCD_IPV6RA_AUTOCONF; | |
1313 | break; | |
7dab081f RM |
1314 | case O_NOALIAS: |
1315 | ifo->options |= DHCPCD_NOALIAS; | |
1316 | break; | |
bd762353 | 1317 | #ifdef DHCP6 |
00ababe4 RM |
1318 | case O_IA_NA: |
1319 | i = D6_OPTION_IA_NA; | |
1320 | /* FALLTHROUGH */ | |
1321 | case O_IA_TA: | |
1322 | if (i == 0) | |
1323 | i = D6_OPTION_IA_TA; | |
1324 | /* FALLTHROUGH */ | |
1325 | case O_IA_PD: | |
9ff636a5 | 1326 | if (i == 0) { |
c25b444e RM |
1327 | #ifdef SMALL |
1328 | logwarnx("%s: IA_PD not compiled in", ifname); | |
1329 | return -1; | |
1330 | #else | |
9ff636a5 | 1331 | if (ifname == NULL) { |
94d1ded9 RM |
1332 | logerr("IA PD must belong in an " |
1333 | "interface block"); | |
9ff636a5 RM |
1334 | return -1; |
1335 | } | |
00ababe4 | 1336 | i = D6_OPTION_IA_PD; |
c25b444e | 1337 | #endif |
9ff636a5 | 1338 | } |
b0ca9ae9 | 1339 | if (ifname == NULL && arg) { |
94d1ded9 RM |
1340 | logerrx("IA with IAID must belong in an " |
1341 | "interface block"); | |
9ff636a5 RM |
1342 | return -1; |
1343 | } | |
00ababe4 | 1344 | ifo->options |= DHCPCD_IA_FORCED; |
52bcdc34 RM |
1345 | fp = strwhite(arg); |
1346 | if (fp) { | |
1347 | *fp++ = '\0'; | |
1348 | fp = strskipwhite(fp); | |
1349 | } | |
b0ca9ae9 | 1350 | if (arg) { |
b0ca9ae9 RM |
1351 | p = strchr(arg, '/'); |
1352 | if (p) | |
1353 | *p++ = '\0'; | |
069e2f28 | 1354 | if (parse_iaid(iaid, arg, sizeof(iaid)) == -1) { |
94d1ded9 | 1355 | logerr("invalid IAID: %s", arg); |
b0ca9ae9 | 1356 | return -1; |
069e2f28 | 1357 | } |
52bcdc34 | 1358 | } |
ebc9d360 RM |
1359 | ia = NULL; |
1360 | for (sl = 0; sl < ifo->ia_len; sl++) { | |
52bcdc34 | 1361 | if ((arg == NULL && !ifo->ia[sl].iaid_set) || |
ee184a69 | 1362 | (arg != NULL && ifo->ia[sl].iaid_set && |
8371b540 | 1363 | ifo->ia[sl].iaid[0] == iaid[0] && |
ebc9d360 RM |
1364 | ifo->ia[sl].iaid[1] == iaid[1] && |
1365 | ifo->ia[sl].iaid[2] == iaid[2] && | |
b0ca9ae9 | 1366 | ifo->ia[sl].iaid[3] == iaid[3])) |
00ababe4 | 1367 | { |
ebc9d360 | 1368 | ia = &ifo->ia[sl]; |
00ababe4 RM |
1369 | break; |
1370 | } | |
1371 | } | |
b0ca9ae9 | 1372 | if (ia && ia->ia_type != (uint16_t)i) { |
94d1ded9 | 1373 | logerrx("Cannot mix IA for the same IAID"); |
b0ca9ae9 RM |
1374 | break; |
1375 | } | |
ebc9d360 | 1376 | if (ia == NULL) { |
62c5b972 RM |
1377 | ia = reallocarray(ifo->ia, |
1378 | ifo->ia_len + 1, sizeof(*ifo->ia)); | |
ebc9d360 | 1379 | if (ia == NULL) { |
94d1ded9 | 1380 | logerr(__func__); |
00ababe4 RM |
1381 | return -1; |
1382 | } | |
ebc9d360 RM |
1383 | ifo->ia = ia; |
1384 | ia = &ifo->ia[ifo->ia_len++]; | |
b0ca9ae9 | 1385 | ia->ia_type = (uint16_t)i; |
52bcdc34 | 1386 | if (arg) { |
b0ca9ae9 RM |
1387 | ia->iaid[0] = iaid[0]; |
1388 | ia->iaid[1] = iaid[1]; | |
1389 | ia->iaid[2] = iaid[2]; | |
1390 | ia->iaid[3] = iaid[3]; | |
1391 | ia->iaid_set = 1; | |
1392 | } else | |
1393 | ia->iaid_set = 0; | |
1394 | if (!ia->iaid_set || | |
1395 | p == NULL || | |
1396 | ia->ia_type == D6_OPTION_IA_TA) | |
1397 | { | |
4f94ed51 RM |
1398 | memset(&ia->addr, 0, sizeof(ia->addr)); |
1399 | ia->prefix_len = 0; | |
1400 | } else { | |
1401 | arg = p; | |
1402 | p = strchr(arg, '/'); | |
1403 | if (p) | |
1404 | *p++ = '\0'; | |
1405 | if (inet_pton(AF_INET6, arg, &ia->addr) == -1) { | |
94d1ded9 | 1406 | logerr("%s", arg); |
4f94ed51 RM |
1407 | memset(&ia->addr, 0, sizeof(ia->addr)); |
1408 | } | |
b0ca9ae9 | 1409 | if (p && ia->ia_type == D6_OPTION_IA_PD) { |
40095c80 RM |
1410 | ia->prefix_len = (uint8_t)strtou(p, |
1411 | NULL, 0, 8, 120, &e); | |
f94b4eab | 1412 | if (e) { |
94d1ded9 | 1413 | logerrx("%s: failed to convert" |
f94b4eab RM |
1414 | " prefix len", |
1415 | p); | |
4f94ed51 | 1416 | ia->prefix_len = 0; |
40095c80 | 1417 | } |
4f94ed51 RM |
1418 | } |
1419 | } | |
c25b444e | 1420 | #ifndef SMALL |
e69793ff | 1421 | ia->sla_max = 0; |
ebc9d360 | 1422 | ia->sla_len = 0; |
4f94ed51 | 1423 | ia->sla = NULL; |
c25b444e | 1424 | #endif |
00ababe4 | 1425 | } |
b0ca9ae9 | 1426 | if (ia->ia_type != D6_OPTION_IA_PD) |
7cece083 | 1427 | break; |
c25b444e | 1428 | #ifndef SMALL |
00ababe4 | 1429 | for (p = fp; p; p = fp) { |
1cd05a96 RM |
1430 | fp = strwhite(p); |
1431 | if (fp) { | |
00ababe4 | 1432 | *fp++ = '\0'; |
1cd05a96 RM |
1433 | fp = strskipwhite(fp); |
1434 | } | |
62c5b972 RM |
1435 | sla = reallocarray(ia->sla, |
1436 | ia->sla_len + 1, sizeof(*ia->sla)); | |
00ababe4 | 1437 | if (sla == NULL) { |
94d1ded9 | 1438 | logerr(__func__); |
00ababe4 RM |
1439 | return -1; |
1440 | } | |
ebc9d360 RM |
1441 | ia->sla = sla; |
1442 | sla = &ia->sla[ia->sla_len++]; | |
00ababe4 RM |
1443 | np = strchr(p, '/'); |
1444 | if (np) | |
1445 | *np++ = '\0'; | |
00ababe4 RM |
1446 | if (strlcpy(sla->ifname, p, |
1447 | sizeof(sla->ifname)) >= sizeof(sla->ifname)) | |
1448 | { | |
94d1ded9 | 1449 | logerrx("%s: interface name too long", arg); |
94a79cea | 1450 | goto err_sla; |
00ababe4 | 1451 | } |
fda2c663 RM |
1452 | sla->sla_set = 0; |
1453 | sla->prefix_len = 0; | |
1454 | sla->suffix = 1; | |
00ababe4 | 1455 | p = np; |
367f7b11 RM |
1456 | if (p) { |
1457 | np = strchr(p, '/'); | |
1458 | if (np) | |
1459 | *np++ = '\0'; | |
fda2c663 | 1460 | if (*p != '\0') { |
f94b4eab RM |
1461 | sla->sla = (uint32_t)strtou(p, NULL, |
1462 | 0, 0, UINT32_MAX, &e); | |
1463 | sla->sla_set = 1; | |
1464 | if (e) { | |
94d1ded9 RM |
1465 | logerrx("%s: failed to convert " |
1466 | "sla", | |
f94b4eab | 1467 | ifname); |
34457fe6 | 1468 | goto err_sla; |
f94b4eab | 1469 | } |
83919266 | 1470 | } |
fda2c663 RM |
1471 | p = np; |
1472 | } | |
1473 | if (p) { | |
1474 | np = strchr(p, '/'); | |
1475 | if (np) | |
1476 | *np++ = '\0'; | |
1477 | if (*p != '\0') { | |
55793e6a | 1478 | sla->prefix_len = (uint8_t)strtou(p, |
fda2c663 | 1479 | NULL, 0, 0, 120, &e); |
f94b4eab | 1480 | if (e) { |
94d1ded9 | 1481 | logerrx("%s: failed to " |
f94b4eab RM |
1482 | "convert prefix len", |
1483 | ifname); | |
94a79cea | 1484 | goto err_sla; |
f94b4eab | 1485 | } |
fda2c663 RM |
1486 | } |
1487 | p = np; | |
1488 | } | |
1489 | if (p) { | |
1490 | np = strchr(p, '/'); | |
1491 | if (np) | |
1492 | *np = '\0'; | |
1493 | if (*p != '\0') { | |
1494 | sla->suffix = (uint64_t)strtou(p, NULL, | |
1495 | 0, 0, UINT64_MAX, &e); | |
1496 | if (e) { | |
94d1ded9 | 1497 | logerrx("%s: failed to " |
fda2c663 RM |
1498 | "convert suffix", |
1499 | ifname); | |
1500 | goto err_sla; | |
1501 | } | |
1502 | } | |
e69793ff RM |
1503 | } |
1504 | /* Sanity check */ | |
1505 | for (sl = 0; sl < ia->sla_len - 1; sl++) { | |
1506 | slap = &ia->sla[sl]; | |
a268d0e4 | 1507 | if (slap->sla_set != sla->sla_set) { |
94d1ded9 | 1508 | logerrx("%s: cannot mix automatic " |
e69793ff RM |
1509 | "and fixed SLA", |
1510 | sla->ifname); | |
1511 | goto err_sla; | |
1512 | } | |
857a98fc RM |
1513 | if (ia->prefix_len && |
1514 | (sla->prefix_len == ia->prefix_len || | |
1515 | slap->prefix_len == ia->prefix_len)) | |
1516 | { | |
94d1ded9 | 1517 | logerrx("%s: cannot delegte the same" |
857a98fc RM |
1518 | "prefix length more than once", |
1519 | sla->ifname); | |
1520 | goto err_sla; | |
1521 | } | |
e69793ff RM |
1522 | if (sla->sla_set == 0 && |
1523 | strcmp(slap->ifname, sla->ifname) == 0) | |
1524 | { | |
94d1ded9 | 1525 | logwarnx("%s: cannot specify the " |
e69793ff RM |
1526 | "same interface twice with " |
1527 | "an automatic SLA", | |
1528 | sla->ifname); | |
1529 | goto err_sla; | |
5985c4e2 | 1530 | } |
663d44bf RM |
1531 | if (slap->sla_set && sla->sla_set && |
1532 | slap->sla == sla->sla) | |
b1582682 | 1533 | { |
94d1ded9 | 1534 | logerrx("%s: cannot" |
663d44bf RM |
1535 | " assign the same SLA %u" |
1536 | " more than once", | |
1537 | sla->ifname, sla->sla); | |
a268d0e4 RM |
1538 | goto err_sla; |
1539 | } | |
367f7b11 | 1540 | } |
e69793ff RM |
1541 | if (sla->sla_set && sla->sla > ia->sla_max) |
1542 | ia->sla_max = sla->sla; | |
00ababe4 | 1543 | } |
ebc9d360 | 1544 | break; |
94a79cea RM |
1545 | err_sla: |
1546 | ia->sla_len--; | |
1547 | return -1; | |
c25b444e | 1548 | #endif |
94a79cea | 1549 | #endif |
d6a18654 | 1550 | case O_HOSTNAME_SHORT: |
9c54b11b | 1551 | ifo->options |= DHCPCD_HOSTNAME | DHCPCD_HOSTNAME_SHORT; |
d6a18654 | 1552 | break; |
413652c1 | 1553 | case O_DEV: |
6bcb242d | 1554 | ARG_REQUIRED; |
4eb7b489 RM |
1555 | #ifdef PLUGIN_DEV |
1556 | if (ctx->dev_load) | |
1557 | free(ctx->dev_load); | |
1558 | ctx->dev_load = strdup(arg); | |
1559 | #endif | |
413652c1 RM |
1560 | break; |
1561 | case O_NODEV: | |
1562 | ifo->options &= ~DHCPCD_DEV; | |
1563 | break; | |
8e7d8c37 RM |
1564 | case O_DEFINE: |
1565 | dop = &ifo->dhcp_override; | |
1566 | dop_len = &ifo->dhcp_override_len; | |
1567 | /* FALLTHROUGH */ | |
2be15e88 RM |
1568 | case O_DEFINEND: |
1569 | if (dop == NULL) { | |
1570 | dop = &ifo->nd_override; | |
1571 | dop_len = &ifo->nd_override_len; | |
1572 | } | |
1573 | /* FALLTHROUGH */ | |
8e7d8c37 RM |
1574 | case O_DEFINE6: |
1575 | if (dop == NULL) { | |
1576 | dop = &ifo->dhcp6_override; | |
1577 | dop_len = &ifo->dhcp6_override_len; | |
1578 | } | |
7a911e57 RM |
1579 | /* FALLTHROUGH */ |
1580 | case O_VENDOPT: | |
1581 | if (dop == NULL) { | |
1582 | dop = &ifo->vivso_override; | |
1583 | dop_len = &ifo->vivso_override_len; | |
1584 | } | |
4eb7b489 | 1585 | *edop = *ldop = NULL; |
8e7d8c37 RM |
1586 | /* FALLTHROUGH */ |
1587 | case O_EMBED: | |
1588 | if (dop == NULL) { | |
4eb7b489 RM |
1589 | if (*edop) { |
1590 | dop = &(*edop)->embopts; | |
1591 | dop_len = &(*edop)->embopts_len; | |
03476881 | 1592 | } else if (ldop) { |
4eb7b489 RM |
1593 | dop = &(*ldop)->embopts; |
1594 | dop_len = &(*ldop)->embopts_len; | |
03476881 | 1595 | } else { |
94d1ded9 RM |
1596 | logerrx("embed must be after a define " |
1597 | "or encap"); | |
8e7d8c37 RM |
1598 | return -1; |
1599 | } | |
8e7d8c37 | 1600 | } |
03476881 | 1601 | /* FALLTHROUGH */ |
8e7d8c37 | 1602 | case O_ENCAP: |
6bcb242d | 1603 | ARG_REQUIRED; |
8e7d8c37 | 1604 | if (dop == NULL) { |
4eb7b489 | 1605 | if (*ldop == NULL) { |
94d1ded9 | 1606 | logerrx("encap must be after a define"); |
8e7d8c37 RM |
1607 | return -1; |
1608 | } | |
4eb7b489 RM |
1609 | dop = &(*ldop)->encopts; |
1610 | dop_len = &(*ldop)->encopts_len; | |
8e7d8c37 RM |
1611 | } |
1612 | ||
1613 | /* Shared code for define, define6, embed and encap */ | |
1614 | ||
1615 | /* code */ | |
1616 | if (opt == O_EMBED) /* Embedded options don't have codes */ | |
7a911e57 | 1617 | u = 0; |
8e7d8c37 | 1618 | else { |
1cd05a96 | 1619 | fp = strwhite(arg); |
4dd50184 | 1620 | if (fp == NULL) { |
94d1ded9 | 1621 | logerrx("invalid syntax: %s", arg); |
8e7d8c37 RM |
1622 | return -1; |
1623 | } | |
1624 | *fp++ = '\0'; | |
6dff2cb3 | 1625 | u = (uint32_t)strtou(arg, NULL, 0, 0, UINT32_MAX, &e); |
f94b4eab | 1626 | if (e) { |
94d1ded9 | 1627 | logerrx("invalid code: %s", arg); |
8e7d8c37 | 1628 | return -1; |
7a911e57 | 1629 | } |
1cd05a96 | 1630 | arg = strskipwhite(fp); |
4dd50184 | 1631 | if (arg == NULL) { |
94d1ded9 | 1632 | logerrx("invalid syntax"); |
4dd50184 RM |
1633 | return -1; |
1634 | } | |
8e7d8c37 RM |
1635 | } |
1636 | /* type */ | |
1cd05a96 | 1637 | fp = strwhite(arg); |
ab371aa6 | 1638 | if (fp) |
1cd05a96 | 1639 | *fp++ = '\0'; |
b21cd906 RM |
1640 | np = strchr(arg, ':'); |
1641 | /* length */ | |
1642 | if (np) { | |
1643 | *np++ = '\0'; | |
cc71162d | 1644 | bp = NULL; /* No bitflag */ |
f94b4eab RM |
1645 | l = (long)strtou(np, NULL, 0, 0, LONG_MAX, &e); |
1646 | if (e) { | |
94d1ded9 | 1647 | logerrx("failed to convert length"); |
b21cd906 | 1648 | return -1; |
f94b4eab | 1649 | } |
cc71162d | 1650 | } else { |
b21cd906 | 1651 | l = 0; |
cc71162d RM |
1652 | bp = strchr(arg, '='); /* bitflag assignment */ |
1653 | if (bp) | |
1654 | *bp++ = '\0'; | |
1655 | } | |
1cd05a96 RM |
1656 | t = 0; |
1657 | if (strcasecmp(arg, "request") == 0) { | |
41eefe94 | 1658 | t |= OT_REQUEST; |
1cd05a96 RM |
1659 | arg = strskipwhite(fp); |
1660 | fp = strwhite(arg); | |
1661 | if (fp == NULL) { | |
94d1ded9 | 1662 | logerrx("incomplete request type"); |
1cd05a96 RM |
1663 | return -1; |
1664 | } | |
1665 | *fp++ = '\0'; | |
1666 | } else if (strcasecmp(arg, "norequest") == 0) { | |
41eefe94 | 1667 | t |= OT_NOREQ; |
1cd05a96 RM |
1668 | arg = strskipwhite(fp); |
1669 | fp = strwhite(arg); | |
1670 | if (fp == NULL) { | |
94d1ded9 | 1671 | logerrx("incomplete request type"); |
1cd05a96 RM |
1672 | return -1; |
1673 | } | |
8e7d8c37 | 1674 | *fp++ = '\0'; |
1cd05a96 | 1675 | } |
ecdbb919 | 1676 | if (strcasecmp(arg, "optional") == 0) { |
41eefe94 | 1677 | t |= OT_OPTIONAL; |
ecdbb919 RM |
1678 | arg = strskipwhite(fp); |
1679 | fp = strwhite(arg); | |
1680 | if (fp == NULL) { | |
94d1ded9 | 1681 | logerrx("incomplete optional type"); |
ecdbb919 RM |
1682 | return -1; |
1683 | } | |
1684 | *fp++ = '\0'; | |
1685 | } | |
03476881 | 1686 | if (strcasecmp(arg, "index") == 0) { |
41eefe94 | 1687 | t |= OT_INDEX; |
03476881 RM |
1688 | arg = strskipwhite(fp); |
1689 | fp = strwhite(arg); | |
1690 | if (fp == NULL) { | |
94d1ded9 | 1691 | logerrx("incomplete index type"); |
03476881 RM |
1692 | return -1; |
1693 | } | |
1694 | *fp++ = '\0'; | |
1695 | } | |
1cd05a96 | 1696 | if (strcasecmp(arg, "array") == 0) { |
41eefe94 | 1697 | t |= OT_ARRAY; |
1cd05a96 RM |
1698 | arg = strskipwhite(fp); |
1699 | fp = strwhite(arg); | |
1700 | if (fp == NULL) { | |
94d1ded9 | 1701 | logerrx("incomplete array type"); |
1cd05a96 RM |
1702 | return -1; |
1703 | } | |
1704 | *fp++ = '\0'; | |
1705 | } | |
8e7d8c37 | 1706 | if (strcasecmp(arg, "ipaddress") == 0) |
41eefe94 | 1707 | t |= OT_ADDRIPV4; |
8e7d8c37 | 1708 | else if (strcasecmp(arg, "ip6address") == 0) |
41eefe94 | 1709 | t |= OT_ADDRIPV6; |
8e7d8c37 | 1710 | else if (strcasecmp(arg, "string") == 0) |
41eefe94 | 1711 | t |= OT_STRING; |
8e7d8c37 | 1712 | else if (strcasecmp(arg, "byte") == 0) |
41eefe94 | 1713 | t |= OT_UINT8; |
cc71162d | 1714 | else if (strcasecmp(arg, "bitflags") == 0) |
41eefe94 | 1715 | t |= OT_BITFLAG; |
c960d1e6 | 1716 | else if (strcasecmp(arg, "uint8") == 0) |
41eefe94 | 1717 | t |= OT_UINT8; |
c960d1e6 | 1718 | else if (strcasecmp(arg, "int8") == 0) |
41eefe94 | 1719 | t |= OT_INT8; |
8e7d8c37 | 1720 | else if (strcasecmp(arg, "uint16") == 0) |
41eefe94 | 1721 | t |= OT_UINT16; |
8e7d8c37 | 1722 | else if (strcasecmp(arg, "int16") == 0) |
41eefe94 | 1723 | t |= OT_INT16; |
8e7d8c37 | 1724 | else if (strcasecmp(arg, "uint32") == 0) |
41eefe94 | 1725 | t |= OT_UINT32; |
8e7d8c37 | 1726 | else if (strcasecmp(arg, "int32") == 0) |
41eefe94 | 1727 | t |= OT_INT32; |
1cd05a96 | 1728 | else if (strcasecmp(arg, "flag") == 0) |
41eefe94 | 1729 | t |= OT_FLAG; |
8f008ca7 | 1730 | else if (strcasecmp(arg, "raw") == 0) |
41eefe94 | 1731 | t |= OT_STRING | OT_RAW; |
8f008ca7 | 1732 | else if (strcasecmp(arg, "ascii") == 0) |
41eefe94 | 1733 | t |= OT_STRING | OT_ASCII; |
8e7d8c37 | 1734 | else if (strcasecmp(arg, "domain") == 0) |
41eefe94 | 1735 | t |= OT_STRING | OT_DOMAIN | OT_RFC1035; |
8f008ca7 | 1736 | else if (strcasecmp(arg, "dname") == 0) |
41eefe94 | 1737 | t |= OT_STRING | OT_DOMAIN; |
8e7d8c37 | 1738 | else if (strcasecmp(arg, "binhex") == 0) |
41eefe94 | 1739 | t |= OT_STRING | OT_BINHEX; |
8e7d8c37 | 1740 | else if (strcasecmp(arg, "embed") == 0) |
41eefe94 | 1741 | t |= OT_EMBED; |
8e7d8c37 | 1742 | else if (strcasecmp(arg, "encap") == 0) |
41eefe94 | 1743 | t |= OT_ENCAP; |
1cd05a96 | 1744 | else if (strcasecmp(arg, "rfc3361") ==0) |
41eefe94 | 1745 | t |= OT_STRING | OT_RFC3361; |
dfee59d2 | 1746 | else if (strcasecmp(arg, "rfc3442") ==0) |
41eefe94 | 1747 | t |= OT_STRING | OT_RFC3442; |
03476881 | 1748 | else if (strcasecmp(arg, "option") == 0) |
41eefe94 | 1749 | t |= OT_OPTION; |
8e7d8c37 | 1750 | else { |
94d1ded9 | 1751 | logerrx("unknown type: %s", arg); |
8e7d8c37 RM |
1752 | return -1; |
1753 | } | |
41eefe94 | 1754 | if (l && !(t & (OT_STRING | OT_BINHEX))) { |
94d1ded9 | 1755 | logwarnx("ignoring length for type `%s'", arg); |
b21cd906 RM |
1756 | l = 0; |
1757 | } | |
41eefe94 RM |
1758 | if (t & OT_ARRAY && t & (OT_STRING | OT_BINHEX) && |
1759 | !(t & (OT_RFC1035 | OT_DOMAIN))) | |
8f008ca7 | 1760 | { |
94d1ded9 | 1761 | logwarnx("ignoring array for strings"); |
41eefe94 | 1762 | t &= ~OT_ARRAY; |
63bdd2c2 | 1763 | } |
41eefe94 | 1764 | if (t & OT_BITFLAG) { |
cc71162d | 1765 | if (bp == NULL) |
94d1ded9 | 1766 | logwarnx("missing bitflag assignment"); |
cc71162d | 1767 | } |
8e7d8c37 | 1768 | /* variable */ |
d9fbb118 | 1769 | if (!fp) { |
41eefe94 | 1770 | if (!(t & OT_OPTION)) { |
94d1ded9 RM |
1771 | logerrx("type %s requires a variable name", |
1772 | arg); | |
03476881 RM |
1773 | return -1; |
1774 | } | |
1775 | np = NULL; | |
1776 | } else { | |
1777 | arg = strskipwhite(fp); | |
1778 | fp = strwhite(arg); | |
1779 | if (fp) | |
1780 | *fp++ = '\0'; | |
cc71162d RM |
1781 | if (strcasecmp(arg, "reserved")) { |
1782 | np = strdup(arg); | |
1783 | if (np == NULL) { | |
94d1ded9 | 1784 | logerr(__func__); |
cc71162d RM |
1785 | return -1; |
1786 | } | |
1787 | } else { | |
1788 | np = NULL; | |
41eefe94 | 1789 | t |= OT_RESERVED; |
03476881 | 1790 | } |
8e7d8c37 | 1791 | } |
6714b786 | 1792 | if (opt != O_EMBED) { |
f132acc3 RM |
1793 | for (dl = 0, ndop = *dop; dl < *dop_len; dl++, ndop++) |
1794 | { | |
1cd05a96 RM |
1795 | /* type 0 seems freshly malloced struct |
1796 | * for us to use */ | |
7a911e57 | 1797 | if (ndop->option == u || ndop->type == 0) |
8e7d8c37 RM |
1798 | break; |
1799 | } | |
f132acc3 RM |
1800 | if (dl == *dop_len) |
1801 | ndop = NULL; | |
1802 | } else | |
1803 | ndop = NULL; | |
6714b786 | 1804 | if (ndop == NULL) { |
62c5b972 RM |
1805 | ndop = reallocarray(*dop, *dop_len + 1, sizeof(**dop)); |
1806 | if (ndop == NULL) { | |
94d1ded9 | 1807 | logerr(__func__); |
8fc52ced | 1808 | free(np); |
8e7d8c37 RM |
1809 | return -1; |
1810 | } | |
1811 | *dop = ndop; | |
1812 | ndop = &(*dop)[(*dop_len)++]; | |
8e7d8c37 RM |
1813 | ndop->embopts = NULL; |
1814 | ndop->embopts_len = 0; | |
1815 | ndop->encopts = NULL; | |
1816 | ndop->encopts_len = 0; | |
1817 | } else | |
1818 | free_dhcp_opt_embenc(ndop); | |
76bb4d03 | 1819 | ndop->option = (uint32_t)u; /* could have been 0 */ |
8e7d8c37 | 1820 | ndop->type = t; |
34457fe6 | 1821 | ndop->len = (size_t)l; |
bc22d277 | 1822 | ndop->var = np; |
cc71162d RM |
1823 | if (bp) { |
1824 | dl = strlen(bp); | |
1825 | memcpy(ndop->bitflags, bp, dl); | |
1826 | memset(ndop->bitflags + dl, 0, | |
1827 | sizeof(ndop->bitflags) - dl); | |
1828 | } else | |
1829 | memset(ndop->bitflags, 0, sizeof(ndop->bitflags)); | |
8e7d8c37 | 1830 | /* Save the define for embed and encap options */ |
2be15e88 RM |
1831 | switch (opt) { |
1832 | case O_DEFINE: | |
1833 | case O_DEFINEND: | |
1834 | case O_DEFINE6: | |
1835 | case O_VENDOPT: | |
4eb7b489 | 1836 | *ldop = ndop; |
2be15e88 RM |
1837 | break; |
1838 | case O_ENCAP: | |
4eb7b489 | 1839 | *edop = ndop; |
2be15e88 RM |
1840 | break; |
1841 | } | |
8e7d8c37 | 1842 | break; |
7a911e57 | 1843 | case O_VENDCLASS: |
6bcb242d | 1844 | ARG_REQUIRED; |
7a911e57 RM |
1845 | fp = strwhite(arg); |
1846 | if (fp) | |
1847 | *fp++ = '\0'; | |
f94b4eab RM |
1848 | u = (uint32_t)strtou(arg, NULL, 0, 0, UINT32_MAX, &e); |
1849 | if (e) { | |
94d1ded9 | 1850 | logerrx("invalid code: %s", arg); |
7a911e57 RM |
1851 | return -1; |
1852 | } | |
1853 | if (fp) { | |
1854 | s = parse_string(NULL, 0, fp); | |
1855 | if (s == -1) { | |
94d1ded9 | 1856 | logerr(__func__); |
7a911e57 RM |
1857 | return -1; |
1858 | } | |
34457fe6 RM |
1859 | dl = (size_t)s; |
1860 | if (dl + (sizeof(uint16_t) * 2) > UINT16_MAX) { | |
94d1ded9 | 1861 | logerrx("vendor class is too big"); |
7a911e57 RM |
1862 | return -1; |
1863 | } | |
34457fe6 | 1864 | np = malloc(dl); |
7a911e57 | 1865 | if (np == NULL) { |
94d1ded9 | 1866 | logerr(__func__); |
7a911e57 RM |
1867 | return -1; |
1868 | } | |
34457fe6 | 1869 | parse_string(np, dl, fp); |
7a911e57 | 1870 | } else { |
34457fe6 | 1871 | dl = 0; |
7a911e57 RM |
1872 | np = NULL; |
1873 | } | |
62c5b972 RM |
1874 | vivco = reallocarray(ifo->vivco, |
1875 | ifo->vivco_len + 1, sizeof(*ifo->vivco)); | |
7a911e57 | 1876 | if (vivco == NULL) { |
94d1ded9 | 1877 | logerr( __func__); |
7a911e57 RM |
1878 | return -1; |
1879 | } | |
1880 | ifo->vivco = vivco; | |
76bb4d03 | 1881 | ifo->vivco_en = (uint32_t)u; |
7a911e57 | 1882 | vivco = &ifo->vivco[ifo->vivco_len++]; |
34457fe6 | 1883 | vivco->len = dl; |
7a911e57 RM |
1884 | vivco->data = (uint8_t *)np; |
1885 | break; | |
c73ed171 | 1886 | case O_AUTHPROTOCOL: |
6bcb242d | 1887 | ARG_REQUIRED; |
e5fc8ac4 | 1888 | #ifdef AUTH |
c73ed171 RM |
1889 | fp = strwhite(arg); |
1890 | if (fp) | |
1891 | *fp++ = '\0'; | |
1892 | if (strcasecmp(arg, "token") == 0) | |
1893 | ifo->auth.protocol = AUTH_PROTO_TOKEN; | |
1894 | else if (strcasecmp(arg, "delayed") == 0) | |
1895 | ifo->auth.protocol = AUTH_PROTO_DELAYED; | |
1896 | else if (strcasecmp(arg, "delayedrealm") == 0) | |
1897 | ifo->auth.protocol = AUTH_PROTO_DELAYEDREALM; | |
1898 | else { | |
94d1ded9 | 1899 | logerrx("%s: unsupported protocol", arg); |
c73ed171 RM |
1900 | return -1; |
1901 | } | |
1902 | arg = strskipwhite(fp); | |
1903 | fp = strwhite(arg); | |
1904 | if (arg == NULL) { | |
1905 | ifo->auth.options |= DHCPCD_AUTH_SEND; | |
c2603990 RM |
1906 | if (ifo->auth.protocol == AUTH_PROTO_TOKEN) |
1907 | ifo->auth.protocol = AUTH_ALG_NONE; | |
1908 | else | |
1909 | ifo->auth.algorithm = AUTH_ALG_HMAC_MD5; | |
c73ed171 RM |
1910 | ifo->auth.rdm = AUTH_RDM_MONOTONIC; |
1911 | break; | |
1912 | } | |
1913 | if (fp) | |
1914 | *fp++ = '\0'; | |
1915 | if (strcasecmp(arg, "hmacmd5") == 0 || | |
1916 | strcasecmp(arg, "hmac-md5") == 0) | |
1917 | ifo->auth.algorithm = AUTH_ALG_HMAC_MD5; | |
1918 | else { | |
94d1ded9 | 1919 | logerrx("%s: unsupported algorithm", arg); |
c73ed171 RM |
1920 | return 1; |
1921 | } | |
1922 | arg = fp; | |
1923 | if (arg == NULL) { | |
1924 | ifo->auth.options |= DHCPCD_AUTH_SEND; | |
1925 | ifo->auth.rdm = AUTH_RDM_MONOTONIC; | |
1926 | break; | |
1927 | } | |
cf0840ef RM |
1928 | if (strcasecmp(arg, "monocounter") == 0) { |
1929 | ifo->auth.rdm = AUTH_RDM_MONOTONIC; | |
1930 | ifo->auth.options |= DHCPCD_AUTH_RDM_COUNTER; | |
1931 | } else if (strcasecmp(arg, "monotonic") ==0 || | |
1932 | strcasecmp(arg, "monotime") == 0) | |
c73ed171 RM |
1933 | ifo->auth.rdm = AUTH_RDM_MONOTONIC; |
1934 | else { | |
94d1ded9 | 1935 | logerrx("%s: unsupported RDM", arg); |
c73ed171 RM |
1936 | return -1; |
1937 | } | |
35fef8ed | 1938 | ifo->auth.options |= DHCPCD_AUTH_SEND; |
c73ed171 | 1939 | break; |
e5fc8ac4 | 1940 | #else |
94d1ded9 | 1941 | logerrx("no authentication support"); |
e5fc8ac4 RM |
1942 | return -1; |
1943 | #endif | |
c73ed171 | 1944 | case O_AUTHTOKEN: |
6bcb242d | 1945 | ARG_REQUIRED; |
e5fc8ac4 | 1946 | #ifdef AUTH |
c73ed171 RM |
1947 | fp = strwhite(arg); |
1948 | if (fp == NULL) { | |
94d1ded9 | 1949 | logerrx("authtoken requires a realm"); |
c73ed171 RM |
1950 | return -1; |
1951 | } | |
1952 | *fp++ = '\0'; | |
1953 | token = malloc(sizeof(*token)); | |
1954 | if (token == NULL) { | |
94d1ded9 | 1955 | logerr(__func__); |
a8c8e686 | 1956 | free(token); |
c73ed171 RM |
1957 | return -1; |
1958 | } | |
1959 | if (parse_uint32(&token->secretid, arg) == -1) { | |
94d1ded9 | 1960 | logerrx("%s: not a number", arg); |
c73ed171 RM |
1961 | free(token); |
1962 | return -1; | |
1963 | } | |
1964 | arg = fp; | |
1965 | fp = strend(arg); | |
1966 | if (fp == NULL) { | |
94d1ded9 | 1967 | logerrx("authtoken requies an a key"); |
c73ed171 RM |
1968 | free(token); |
1969 | return -1; | |
1970 | } | |
1971 | *fp++ = '\0'; | |
34457fe6 RM |
1972 | s = parse_string(NULL, 0, arg); |
1973 | if (s == -1) { | |
94d1ded9 | 1974 | logerr("realm_len"); |
a8c8e686 | 1975 | free(token); |
34457fe6 RM |
1976 | return -1; |
1977 | } | |
1978 | if (s) { | |
1979 | token->realm_len = (size_t)s; | |
c73ed171 RM |
1980 | token->realm = malloc(token->realm_len); |
1981 | if (token->realm == NULL) { | |
94d1ded9 | 1982 | logerr(__func__); |
c73ed171 | 1983 | free(token); |
c73ed171 RM |
1984 | return -1; |
1985 | } | |
1986 | parse_string((char *)token->realm, token->realm_len, | |
1987 | arg); | |
34457fe6 RM |
1988 | } else { |
1989 | token->realm_len = 0; | |
1990 | token->realm = NULL; | |
c73ed171 RM |
1991 | } |
1992 | arg = fp; | |
1993 | fp = strend(arg); | |
1994 | if (fp == NULL) { | |
94d1ded9 | 1995 | logerrx("authtoken requies an an expiry date"); |
c73ed171 RM |
1996 | free(token->realm); |
1997 | free(token); | |
1998 | return -1; | |
1999 | } | |
2000 | *fp++ = '\0'; | |
2001 | if (*arg == '"') { | |
2002 | arg++; | |
2003 | np = strchr(arg, '"'); | |
2004 | if (np) | |
2005 | *np = '\0'; | |
2006 | } | |
2007 | if (strcmp(arg, "0") == 0 || strcasecmp(arg, "forever") == 0) | |
2008 | token->expire =0; | |
2009 | else { | |
2010 | struct tm tm; | |
2011 | ||
2012 | memset(&tm, 0, sizeof(tm)); | |
2013 | if (strptime(arg, "%Y-%m-%d %H:%M", &tm) == NULL) { | |
94d1ded9 | 2014 | logerrx("%s: invalid date time", arg); |
c73ed171 RM |
2015 | free(token->realm); |
2016 | free(token); | |
2017 | return -1; | |
2018 | } | |
2019 | if ((token->expire = mktime(&tm)) == (time_t)-1) { | |
94d1ded9 | 2020 | logerr("%s: mktime", __func__); |
c73ed171 RM |
2021 | free(token->realm); |
2022 | free(token); | |
2023 | return -1; | |
2024 | } | |
2025 | } | |
2026 | arg = fp; | |
34457fe6 RM |
2027 | s = parse_string(NULL, 0, arg); |
2028 | if (s == -1 || s == 0) { | |
94d1ded9 RM |
2029 | if (s == -1) |
2030 | logerr("token_len"); | |
2031 | else | |
2032 | logerrx("authtoken needs a key"); | |
c73ed171 RM |
2033 | free(token->realm); |
2034 | free(token); | |
2035 | return -1; | |
2036 | } | |
34457fe6 | 2037 | token->key_len = (size_t)s; |
c73ed171 RM |
2038 | token->key = malloc(token->key_len); |
2039 | parse_string((char *)token->key, token->key_len, arg); | |
2040 | TAILQ_INSERT_TAIL(&ifo->auth.tokens, token, next); | |
e5fc8ac4 | 2041 | #else |
94d1ded9 | 2042 | logerrx("no authentication support"); |
e5fc8ac4 RM |
2043 | return -1; |
2044 | #endif | |
c73ed171 RM |
2045 | break; |
2046 | case O_AUTHNOTREQUIRED: | |
2047 | ifo->auth.options &= ~DHCPCD_AUTH_REQUIRE; | |
2048 | break; | |
94bec972 RM |
2049 | case O_DHCP: |
2050 | ifo->options |= DHCPCD_DHCP | DHCPCD_IPV4; | |
2051 | break; | |
d4154ba7 RM |
2052 | case O_NODHCP: |
2053 | ifo->options &= ~DHCPCD_DHCP; | |
2054 | break; | |
94bec972 RM |
2055 | case O_DHCP6: |
2056 | ifo->options |= DHCPCD_DHCP6 | DHCPCD_IPV6; | |
2057 | break; | |
d4154ba7 RM |
2058 | case O_NODHCP6: |
2059 | ifo->options &= ~DHCPCD_DHCP6; | |
2060 | break; | |
a93e79c6 | 2061 | case O_CONTROLGRP: |
6bcb242d | 2062 | ARG_REQUIRED; |
a93e79c6 RM |
2063 | #ifdef _REENTRANT |
2064 | l = sysconf(_SC_GETGR_R_SIZE_MAX); | |
2065 | if (l == -1) | |
2066 | dl = 1024; | |
2067 | else | |
2068 | dl = (size_t)l; | |
2069 | p = malloc(dl); | |
2070 | if (p == NULL) { | |
94d1ded9 | 2071 | logerr(__func__); |
a93e79c6 RM |
2072 | return -1; |
2073 | } | |
2074 | while ((i = getgrnam_r(arg, &grpbuf, p, (size_t)l, &grp)) == | |
2075 | ERANGE) | |
2076 | { | |
2077 | size_t nl = dl * 2; | |
2078 | if (nl < dl) { | |
94d1ded9 | 2079 | logerrx("control_group: out of buffer"); |
a93e79c6 RM |
2080 | free(p); |
2081 | return -1; | |
2082 | } | |
2083 | dl = nl; | |
2084 | np = realloc(p, dl); | |
2085 | if (np == NULL) { | |
94d1ded9 | 2086 | logerr(__func__); |
a93e79c6 RM |
2087 | free(p); |
2088 | return -1; | |
2089 | } | |
2090 | p = np; | |
2091 | } | |
2092 | if (i != 0) { | |
2093 | errno = i; | |
94d1ded9 | 2094 | logerr("getgrnam_r"); |
a93e79c6 RM |
2095 | free(p); |
2096 | return -1; | |
2097 | } | |
2098 | if (grp == NULL) { | |
94d1ded9 | 2099 | logerrx("controlgroup: %s: not found", arg); |
a93e79c6 RM |
2100 | free(p); |
2101 | return -1; | |
2102 | } | |
2103 | ctx->control_group = grp->gr_gid; | |
2104 | free(p); | |
2105 | #else | |
2106 | grp = getgrnam(arg); | |
2107 | if (grp == NULL) { | |
94d1ded9 | 2108 | logerrx("controlgroup: %s: not found", arg); |
a93e79c6 RM |
2109 | return -1; |
2110 | } | |
2111 | ctx->control_group = grp->gr_gid; | |
2112 | #endif | |
2113 | break; | |
feb553d0 RM |
2114 | case O_GATEWAY: |
2115 | ifo->options |= DHCPCD_GATEWAY; | |
2116 | break; | |
2862d340 RM |
2117 | case O_NOUP: |
2118 | ifo->options &= ~DHCPCD_IF_UP; | |
2119 | break; | |
1aeaf0e7 | 2120 | case O_SLAAC: |
6bcb242d | 2121 | ARG_REQUIRED; |
1aeaf0e7 RM |
2122 | if (strcmp(arg, "private") == 0 || |
2123 | strcmp(arg, "stableprivate") == 0 || | |
2124 | strcmp(arg, "stable") == 0) | |
2125 | ifo->options |= DHCPCD_SLAACPRIVATE; | |
2126 | else | |
2127 | ifo->options &= ~DHCPCD_SLAACPRIVATE; | |
3ed12ab8 | 2128 | break; |
8f924434 RM |
2129 | case O_BOOTP: |
2130 | ifo->options |= DHCPCD_BOOTP; | |
2131 | break; | |
f572315d RM |
2132 | case O_NODELAY: |
2133 | ifo->options &= ~DHCPCD_INITIAL_DELAY; | |
2134 | break; | |
b1ad0d39 RM |
2135 | case O_LASTLEASE_EXTEND: |
2136 | ifo->options |= DHCPCD_LASTLEASE | DHCPCD_LASTLEASE_EXTEND; | |
2137 | break; | |
b4a86584 RM |
2138 | case O_INACTIVE: |
2139 | ifo->options |= DHCPCD_INACTIVE; | |
2140 | break; | |
d85ad7d0 | 2141 | case O_MUDURL: |
03274c9c | 2142 | ARG_REQUIRED; |
d85ad7d0 RM |
2143 | s = parse_string((char *)ifo->mudurl + 1, MUDURL_MAX_LEN, arg); |
2144 | if (s == -1) { | |
94d1ded9 | 2145 | logerr("mudurl"); |
d85ad7d0 RM |
2146 | return -1; |
2147 | } | |
2148 | *ifo->mudurl = (uint8_t)s; | |
2149 | break; | |
fd05b7dc RM |
2150 | default: |
2151 | return 0; | |
2152 | } | |
2153 | ||
2154 | return 1; | |
6bcb242d RM |
2155 | |
2156 | #ifdef ARG_REQUIRED | |
2157 | arg_required: | |
94d1ded9 | 2158 | logerrx("option %d requires an argument", opt); |
6bcb242d RM |
2159 | return -1; |
2160 | #undef ARG_REQUIRED | |
2161 | #endif | |
fd05b7dc RM |
2162 | } |
2163 | ||
2164 | static int | |
4eb7b489 RM |
2165 | parse_config_line(struct dhcpcd_ctx *ctx, const char *ifname, |
2166 | struct if_options *ifo, const char *opt, char *line, | |
2167 | struct dhcp_opt **ldop, struct dhcp_opt **edop) | |
fd05b7dc RM |
2168 | { |
2169 | unsigned int i; | |
2170 | ||
2171 | for (i = 0; i < sizeof(cf_options) / sizeof(cf_options[0]); i++) { | |
2172 | if (!cf_options[i].name || | |
2173 | strcmp(cf_options[i].name, opt) != 0) | |
2174 | continue; | |
2175 | ||
2176 | if (cf_options[i].has_arg == required_argument && !line) { | |
94d1ded9 | 2177 | logerrx("option requires an argument -- %s", opt); |
fd05b7dc RM |
2178 | return -1; |
2179 | } | |
2180 | ||
4eb7b489 RM |
2181 | return parse_option(ctx, ifname, ifo, cf_options[i].val, line, |
2182 | ldop, edop); | |
fd05b7dc RM |
2183 | } |
2184 | ||
94d1ded9 | 2185 | logerrx("unknown option: %s", opt); |
fd05b7dc RM |
2186 | return -1; |
2187 | } | |
2188 | ||
741f46c6 | 2189 | static void |
b0272a9d | 2190 | finish_config(struct if_options *ifo) |
741f46c6 RM |
2191 | { |
2192 | ||
2193 | /* Terminate the encapsulated options */ | |
2194 | if (ifo->vendor[0] && !(ifo->options & DHCPCD_VENDORRAW)) { | |
2195 | ifo->vendor[0]++; | |
2196 | ifo->vendor[ifo->vendor[0]] = DHO_END; | |
aeddc61a RM |
2197 | /* We are called twice. |
2198 | * This should be fixed, but in the meantime, this | |
2199 | * guard should suffice */ | |
2200 | ifo->options |= DHCPCD_VENDORRAW; | |
741f46c6 | 2201 | } |
b0272a9d | 2202 | } |
741f46c6 | 2203 | |
c1b54b57 RM |
2204 | /* Handy routine to read very long lines in text files. |
2205 | * This means we read the whole line and avoid any nasty buffer overflows. | |
2206 | * We strip leading space and avoid comment lines, making the code that calls | |
2207 | * us smaller. */ | |
2208 | static char * | |
4eb7b489 RM |
2209 | get_line(char ** __restrict buf, size_t * __restrict buflen, |
2210 | FILE * __restrict fp) | |
c1b54b57 | 2211 | { |
67f84564 | 2212 | char *p, *c; |
c1b54b57 | 2213 | ssize_t bytes; |
67f84564 | 2214 | int quoted; |
c1b54b57 RM |
2215 | |
2216 | do { | |
2217 | bytes = getline(buf, buflen, fp); | |
2218 | if (bytes == -1) | |
2219 | return NULL; | |
2220 | for (p = *buf; *p == ' ' || *p == '\t'; p++) | |
2221 | ; | |
2222 | } while (*p == '\0' || *p == '\n' || *p == '#' || *p == ';'); | |
2223 | if ((*buf)[--bytes] == '\n') | |
2224 | (*buf)[bytes] = '\0'; | |
67f84564 RM |
2225 | |
2226 | /* Strip embedded comments unless in a quoted string or escaped */ | |
2227 | quoted = 0; | |
2228 | for (c = p; *c != '\0'; c++) { | |
2229 | if (*c == '\\') { | |
2230 | c++; /* escaped */ | |
2231 | continue; | |
2232 | } | |
2233 | if (*c == '"') | |
2234 | quoted = !quoted; | |
2235 | else if (*c == '#' && !quoted) { | |
2236 | *c = '\0'; | |
2237 | break; | |
2238 | } | |
2239 | } | |
c1b54b57 RM |
2240 | return p; |
2241 | } | |
2242 | ||
598e6cc7 RM |
2243 | struct if_options * |
2244 | default_config(struct dhcpcd_ctx *ctx) | |
2245 | { | |
2246 | struct if_options *ifo; | |
2247 | ||
2248 | /* Seed our default options */ | |
2249 | if ((ifo = calloc(1, sizeof(*ifo))) == NULL) { | |
94d1ded9 | 2250 | logerr(__func__); |
598e6cc7 RM |
2251 | return NULL; |
2252 | } | |
2253 | ifo->options |= DHCPCD_IF_UP | DHCPCD_LINK | DHCPCD_INITIAL_DELAY; | |
2254 | ifo->timeout = DEFAULT_TIMEOUT; | |
2255 | ifo->reboot = DEFAULT_REBOOT; | |
2256 | ifo->metric = -1; | |
2257 | ifo->auth.options |= DHCPCD_AUTH_REQUIRE; | |
9aa11487 | 2258 | TAILQ_INIT(&ifo->routes); |
e5fc8ac4 | 2259 | #ifdef AUTH |
598e6cc7 | 2260 | TAILQ_INIT(&ifo->auth.tokens); |
e5fc8ac4 | 2261 | #endif |
598e6cc7 RM |
2262 | |
2263 | /* Inherit some global defaults */ | |
2264 | if (ctx->options & DHCPCD_PERSISTENT) | |
2265 | ifo->options |= DHCPCD_PERSISTENT; | |
2266 | if (ctx->options & DHCPCD_SLAACPRIVATE) | |
2267 | ifo->options |= DHCPCD_SLAACPRIVATE; | |
2268 | ||
2269 | return ifo; | |
2270 | } | |
2271 | ||
fd05b7dc | 2272 | struct if_options * |
4eb7b489 | 2273 | read_config(struct dhcpcd_ctx *ctx, |
6f767217 | 2274 | const char *ifname, const char *ssid, const char *profile) |
fd05b7dc RM |
2275 | { |
2276 | struct if_options *ifo; | |
c1b54b57 | 2277 | FILE *fp; |
727d8459 | 2278 | struct stat sb; |
c1b54b57 RM |
2279 | char *line, *buf, *option, *p; |
2280 | size_t buflen; | |
fec195b5 | 2281 | ssize_t vlen; |
417c31a9 | 2282 | int skip, have_profile, new_block, had_block; |
1cd05a96 | 2283 | #ifndef EMBEDDED_CONFIG |
e2e644e9 | 2284 | const char * const *e; |
c1b54b57 | 2285 | size_t ol; |
1cd05a96 | 2286 | #endif |
d9fbb118 | 2287 | #if !defined(INET) || !defined(INET6) |
10cac699 | 2288 | size_t i; |
d9fbb118 RM |
2289 | struct dhcp_opt *opt; |
2290 | #endif | |
4eb7b489 | 2291 | struct dhcp_opt *ldop, *edop; |
fd05b7dc RM |
2292 | |
2293 | /* Seed our default options */ | |
598e6cc7 | 2294 | if ((ifo = default_config(ctx)) == NULL) |
10e17e3f | 2295 | return NULL; |
feb553d0 | 2296 | ifo->options |= DHCPCD_DAEMONISE | DHCPCD_GATEWAY; |
413652c1 RM |
2297 | #ifdef PLUGIN_DEV |
2298 | ifo->options |= DHCPCD_DEV; | |
2299 | #endif | |
aae24feb | 2300 | #ifdef INET |
6456fc27 | 2301 | ifo->options |= DHCPCD_IPV4 | DHCPCD_ARP | DHCPCD_DHCP | DHCPCD_IPV4LL; |
aae24feb RM |
2302 | #endif |
2303 | #ifdef INET6 | |
62f12387 RM |
2304 | ifo->options |= DHCPCD_IPV6 | DHCPCD_IPV6RS; |
2305 | ifo->options |= DHCPCD_IPV6RA_AUTOCONF | DHCPCD_IPV6RA_REQRDNSS; | |
d4154ba7 | 2306 | ifo->options |= DHCPCD_DHCP6; |
aae24feb | 2307 | #endif |
793c4286 | 2308 | |
fec195b5 RM |
2309 | vlen = dhcp_vendor((char *)ifo->vendorclassid + 1, |
2310 | sizeof(ifo->vendorclassid) - 1); | |
d7a4dcf9 | 2311 | ifo->vendorclassid[0] = (uint8_t)(vlen == -1 ? 0 : vlen); |
fd05b7dc | 2312 | |
c1b54b57 RM |
2313 | buf = NULL; |
2314 | buflen = 0; | |
2315 | ||
8e7d8c37 | 2316 | /* Parse our embedded options file */ |
c1642d52 | 2317 | if (ifname == NULL && !(ctx->options & DHCPCD_PRINT_PIDFILE)) { |
1cd05a96 RM |
2318 | /* Space for initial estimates */ |
2319 | #if defined(INET) && defined(INITDEFINES) | |
2320 | ifo->dhcp_override = | |
2321 | calloc(INITDEFINES, sizeof(*ifo->dhcp_override)); | |
2322 | if (ifo->dhcp_override == NULL) | |
94d1ded9 | 2323 | logerr(__func__); |
1cd05a96 RM |
2324 | else |
2325 | ifo->dhcp_override_len = INITDEFINES; | |
2326 | #endif | |
2327 | ||
2be15e88 RM |
2328 | #if defined(INET6) && defined(INITDEFINENDS) |
2329 | ifo->nd_override = | |
2330 | calloc(INITDEFINENDS, sizeof(*ifo->nd_override)); | |
2331 | if (ifo->nd_override == NULL) | |
94d1ded9 | 2332 | logerr(__func__); |
2be15e88 RM |
2333 | else |
2334 | ifo->nd_override_len = INITDEFINENDS; | |
2335 | #endif | |
1cd05a96 RM |
2336 | #if defined(INET6) && defined(INITDEFINE6S) |
2337 | ifo->dhcp6_override = | |
2338 | calloc(INITDEFINE6S, sizeof(*ifo->dhcp6_override)); | |
2339 | if (ifo->dhcp6_override == NULL) | |
94d1ded9 | 2340 | logerr(__func__); |
1cd05a96 | 2341 | else |
d9fbb118 | 2342 | ifo->dhcp6_override_len = INITDEFINE6S; |
1cd05a96 RM |
2343 | #endif |
2344 | ||
2345 | /* Now load our embedded config */ | |
2346 | #ifdef EMBEDDED_CONFIG | |
c1b54b57 RM |
2347 | fp = fopen(EMBEDDED_CONFIG, "r"); |
2348 | if (fp == NULL) | |
94d1ded9 | 2349 | logerr("%s: fopen `%s'", __func__, EMBEDDED_CONFIG); |
1cd05a96 | 2350 | |
c1b54b57 | 2351 | while (fp && (line = get_line(&buf, &buflen, fp))) { |
1cd05a96 | 2352 | #else |
a319fa53 RM |
2353 | buflen = 80; |
2354 | buf = malloc(buflen); | |
2355 | if (buf == NULL) { | |
94d1ded9 | 2356 | logerr(__func__); |
e4cba32e | 2357 | free_options(ifo); |
1cd05a96 RM |
2358 | return NULL; |
2359 | } | |
4eb7b489 | 2360 | ldop = edop = NULL; |
1cd05a96 RM |
2361 | for (e = dhcpcd_embedded_conf; *e; e++) { |
2362 | ol = strlen(*e) + 1; | |
a319fa53 | 2363 | if (ol > buflen) { |
e4cba32e RM |
2364 | char *nbuf; |
2365 | ||
a319fa53 | 2366 | buflen = ol; |
e4cba32e RM |
2367 | nbuf = realloc(buf, buflen); |
2368 | if (nbuf == NULL) { | |
94d1ded9 | 2369 | logerr(__func__); |
967db595 | 2370 | free(buf); |
e4cba32e | 2371 | free_options(ifo); |
1cd05a96 RM |
2372 | return NULL; |
2373 | } | |
e4cba32e | 2374 | buf = nbuf; |
1cd05a96 | 2375 | } |
a319fa53 RM |
2376 | memcpy(buf, *e, ol); |
2377 | line = buf; | |
1cd05a96 | 2378 | #endif |
8e7d8c37 | 2379 | option = strsep(&line, " \t"); |
ab371aa6 RM |
2380 | if (line) |
2381 | line = strskipwhite(line); | |
8e7d8c37 | 2382 | /* Trim trailing whitespace */ |
79f1f126 | 2383 | if (line) { |
8e7d8c37 RM |
2384 | p = line + strlen(line) - 1; |
2385 | while (p != line && | |
2386 | (*p == ' ' || *p == '\t') && | |
2387 | *(p - 1) != '\\') | |
2388 | *p-- = '\0'; | |
2389 | } | |
4eb7b489 RM |
2390 | parse_config_line(ctx, NULL, ifo, option, line, |
2391 | &ldop, &edop); | |
1cd05a96 | 2392 | |
8e7d8c37 | 2393 | } |
1cd05a96 RM |
2394 | |
2395 | #ifdef EMBEDDED_CONFIG | |
c1b54b57 RM |
2396 | if (fp) |
2397 | fclose(fp); | |
1cd05a96 RM |
2398 | #endif |
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; | |
4eb7b489 RM |
2415 | ctx->dhcp6_opts = ifo->dhcp6_override; |
2416 | ctx->dhcp6_opts_len = ifo->dhcp6_override_len; | |
1cd05a96 | 2417 | #else |
2be15e88 RM |
2418 | for (i = 0, opt = ifo->nd_override; |
2419 | i < ifo->nd_override_len; | |
2420 | i++, opt++) | |
2421 | free_dhcp_opt_embenc(opt); | |
2422 | free(ifo->nd_override); | |
d9fbb118 | 2423 | for (i = 0, opt = ifo->dhcp6_override; |
10cac699 | 2424 | i < ifo->dhcp6_override_len; |
d9fbb118 RM |
2425 | i++, opt++) |
2426 | free_dhcp_opt_embenc(opt); | |
1cd05a96 RM |
2427 | free(ifo->dhcp6_override); |
2428 | #endif | |
2be15e88 RM |
2429 | ifo->nd_override = NULL; |
2430 | ifo->nd_override_len = 0; | |
1cd05a96 RM |
2431 | ifo->dhcp6_override = NULL; |
2432 | ifo->dhcp6_override_len = 0; | |
7a911e57 | 2433 | |
4eb7b489 RM |
2434 | ctx->vivso = ifo->vivso_override; |
2435 | ctx->vivso_len = ifo->vivso_override_len; | |
7a911e57 RM |
2436 | ifo->vivso_override = NULL; |
2437 | ifo->vivso_override_len = 0; | |
8e7d8c37 RM |
2438 | } |
2439 | ||
fd05b7dc | 2440 | /* Parse our options file */ |
4eb7b489 | 2441 | fp = fopen(ctx->cffile, "r"); |
c1b54b57 | 2442 | if (fp == NULL) { |
62cb6de8 RM |
2443 | /* dhcpcd can continue without it, but no DNS options |
2444 | * would be requested ... */ | |
94d1ded9 | 2445 | logwarn("%s: fopen `%s'", __func__, ctx->cffile); |
c1b54b57 | 2446 | free(buf); |
fd05b7dc | 2447 | return ifo; |
5e2062a4 | 2448 | } |
727d8459 RM |
2449 | if (stat(ctx->cffile, &sb) == 0) |
2450 | ifo->mtime = sb.st_mtime; | |
fd05b7dc | 2451 | |
4eb7b489 | 2452 | ldop = edop = NULL; |
417c31a9 | 2453 | skip = have_profile = new_block = 0; |
d42067b8 | 2454 | had_block = ifname == NULL ? 1 : 0; |
c1b54b57 | 2455 | while ((line = get_line(&buf, &buflen, fp))) { |
e1caa8db | 2456 | option = strsep(&line, " \t"); |
ab371aa6 RM |
2457 | if (line) |
2458 | line = strskipwhite(line); | |
fd05b7dc | 2459 | /* Trim trailing whitespace */ |
79f1f126 | 2460 | if (line) { |
fd05b7dc RM |
2461 | p = line + strlen(line) - 1; |
2462 | while (p != line && | |
eab2229c RM |
2463 | (*p == ' ' || *p == '\t') && |
2464 | *(p - 1) != '\\') | |
fd05b7dc RM |
2465 | *p-- = '\0'; |
2466 | } | |
d42067b8 | 2467 | if (skip == 0 && new_block) { |
edb0ed37 RM |
2468 | had_block = 1; |
2469 | new_block = 0; | |
2470 | ifo->options &= ~DHCPCD_WAITOPTS; | |
2471 | } | |
fd05b7dc RM |
2472 | /* Start of an interface block, skip if not ours */ |
2473 | if (strcmp(option, "interface") == 0) { | |
4d91c2e7 RM |
2474 | char **n; |
2475 | ||
edb0ed37 | 2476 | new_block = 1; |
79f1f126 RM |
2477 | if (line == NULL) { |
2478 | /* No interface given */ | |
2479 | skip = 1; | |
2480 | continue; | |
2481 | } | |
2482 | if (ifname && strcmp(line, ifname) == 0) | |
fd05b7dc RM |
2483 | skip = 0; |
2484 | else | |
2485 | skip = 1; | |
4d91c2e7 RM |
2486 | if (ifname) |
2487 | continue; | |
2488 | ||
79f1f126 RM |
2489 | n = reallocarray(ctx->ifcv, |
2490 | (size_t)ctx->ifcc + 1, sizeof(char *)); | |
4d91c2e7 | 2491 | if (n == NULL) { |
94d1ded9 | 2492 | logerr(__func__); |
4d91c2e7 RM |
2493 | continue; |
2494 | } | |
2495 | ctx->ifcv = n; | |
2496 | ctx->ifcv[ctx->ifcc] = strdup(line); | |
2497 | if (ctx->ifcv[ctx->ifcc] == NULL) { | |
94d1ded9 | 2498 | logerr(__func__); |
4d91c2e7 RM |
2499 | continue; |
2500 | } | |
2501 | ctx->ifcc++; | |
fd05b7dc | 2502 | continue; |
c53cf4ef RM |
2503 | } |
2504 | /* Start of an ssid block, skip if not ours */ | |
2505 | if (strcmp(option, "ssid") == 0) { | |
edb0ed37 | 2506 | new_block = 1; |
c53cf4ef RM |
2507 | if (ssid && line && strcmp(line, ssid) == 0) |
2508 | skip = 0; | |
2509 | else | |
2510 | skip = 1; | |
2511 | continue; | |
fd05b7dc | 2512 | } |
6f767217 RM |
2513 | /* Start of a profile block, skip if not ours */ |
2514 | if (strcmp(option, "profile") == 0) { | |
edb0ed37 | 2515 | new_block = 1; |
6f767217 RM |
2516 | if (profile && line && strcmp(line, profile) == 0) { |
2517 | skip = 0; | |
2518 | have_profile = 1; | |
2519 | } else | |
2520 | skip = 1; | |
2521 | continue; | |
2522 | } | |
ba7a34fb RM |
2523 | /* Skip arping if we have selected a profile but not parsing |
2524 | * one. */ | |
2525 | if (profile && !have_profile && strcmp(option, "arping") == 0) | |
2526 | continue; | |
fd05b7dc RM |
2527 | if (skip) |
2528 | continue; | |
4eb7b489 | 2529 | parse_config_line(ctx, ifname, ifo, option, line, &ldop, &edop); |
fd05b7dc | 2530 | } |
c1b54b57 RM |
2531 | fclose(fp); |
2532 | free(buf); | |
fd05b7dc | 2533 | |
6f767217 RM |
2534 | if (profile && !have_profile) { |
2535 | free_options(ifo); | |
2536 | errno = ENOENT; | |
658bfd5e | 2537 | return NULL; |
6f767217 RM |
2538 | } |
2539 | ||
edb0ed37 RM |
2540 | if (!had_block) |
2541 | ifo->options &= ~DHCPCD_WAITOPTS; | |
b0272a9d | 2542 | finish_config(ifo); |
fd05b7dc RM |
2543 | return ifo; |
2544 | } | |
2545 | ||
2546 | int | |
4eb7b489 RM |
2547 | add_options(struct dhcpcd_ctx *ctx, const char *ifname, |
2548 | struct if_options *ifo, int argc, char **argv) | |
fd05b7dc | 2549 | { |
29c0fd6f | 2550 | int oi, opt, r; |
edb0ed37 | 2551 | unsigned long long wait_opts; |
29c0fd6f RM |
2552 | |
2553 | if (argc == 0) | |
2554 | return 1; | |
fd05b7dc RM |
2555 | |
2556 | optind = 0; | |
29c0fd6f | 2557 | r = 1; |
edb0ed37 RM |
2558 | /* Don't apply the command line wait options to each interface, |
2559 | * only use the dhcpcd.conf entry for that. */ | |
2560 | if (ifname != NULL) | |
2561 | wait_opts = ifo->options & DHCPCD_WAITOPTS; | |
c31b1719 RM |
2562 | while ((opt = getopt_long(argc, argv, |
2563 | ctx->options & DHCPCD_PRINT_PIDFILE ? NOERR_IF_OPTS : IF_OPTS, | |
2564 | cf_options, &oi)) != -1) | |
fd05b7dc | 2565 | { |
4eb7b489 | 2566 | r = parse_option(ctx, ifname, ifo, opt, optarg, NULL, NULL); |
fd05b7dc RM |
2567 | if (r != 1) |
2568 | break; | |
2569 | } | |
edb0ed37 RM |
2570 | if (ifname != NULL) { |
2571 | ifo->options &= ~DHCPCD_WAITOPTS; | |
2572 | ifo->options |= wait_opts; | |
2573 | } | |
741f46c6 | 2574 | |
b0272a9d | 2575 | finish_config(ifo); |
fd05b7dc RM |
2576 | return r; |
2577 | } | |
2578 | ||
2579 | void | |
2580 | free_options(struct if_options *ifo) | |
2581 | { | |
2582 | size_t i; | |
d9fbb118 | 2583 | struct dhcp_opt *opt; |
900b6f94 | 2584 | struct vivco *vo; |
e5fc8ac4 | 2585 | #ifdef AUTH |
c73ed171 | 2586 | struct token *token; |
e5fc8ac4 | 2587 | #endif |
fd05b7dc | 2588 | |
f43e5853 RM |
2589 | if (ifo) { |
2590 | if (ifo->environ) { | |
2591 | i = 0; | |
2592 | while (ifo->environ[i]) | |
2593 | free(ifo->environ[i++]); | |
2594 | free(ifo->environ); | |
2595 | } | |
91a44b91 RM |
2596 | if (ifo->config) { |
2597 | i = 0; | |
2598 | while (ifo->config[i]) | |
2599 | free(ifo->config[i++]); | |
2600 | free(ifo->config); | |
2601 | } | |
ded03af2 | 2602 | rt_headclear(&ifo->routes, AF_UNSPEC); |
1681b126 | 2603 | free(ifo->script); |
ff021b0b | 2604 | free(ifo->arping); |
f43e5853 | 2605 | free(ifo->blacklist); |
ff021b0b | 2606 | free(ifo->fallback); |
8e7d8c37 | 2607 | |
59a555cd RM |
2608 | for (opt = ifo->dhcp_override; |
2609 | ifo->dhcp_override_len > 0; | |
2610 | opt++, ifo->dhcp_override_len--) | |
d9fbb118 | 2611 | free_dhcp_opt_embenc(opt); |
8e7d8c37 | 2612 | free(ifo->dhcp_override); |
2be15e88 RM |
2613 | for (opt = ifo->nd_override; |
2614 | ifo->nd_override_len > 0; | |
2615 | opt++, ifo->nd_override_len--) | |
2616 | free_dhcp_opt_embenc(opt); | |
2617 | free(ifo->nd_override); | |
59a555cd RM |
2618 | for (opt = ifo->dhcp6_override; |
2619 | ifo->dhcp6_override_len > 0; | |
2620 | opt++, ifo->dhcp6_override_len--) | |
7a911e57 RM |
2621 | free_dhcp_opt_embenc(opt); |
2622 | free(ifo->dhcp6_override); | |
59a555cd RM |
2623 | for (vo = ifo->vivco; |
2624 | ifo->vivco_len > 0; | |
2625 | vo++, ifo->vivco_len--) | |
900b6f94 RM |
2626 | free(vo->data); |
2627 | free(ifo->vivco); | |
59a555cd RM |
2628 | for (opt = ifo->vivso_override; |
2629 | ifo->vivso_override_len > 0; | |
2630 | opt++, ifo->vivso_override_len--) | |
7a911e57 | 2631 | free_dhcp_opt_embenc(opt); |
900b6f94 | 2632 | free(ifo->vivso_override); |
8e7d8c37 | 2633 | |
c25b444e | 2634 | #if defined(INET6) && !defined(SMALL) |
59a555cd RM |
2635 | for (; ifo->ia_len > 0; ifo->ia_len--) |
2636 | free(ifo->ia[ifo->ia_len - 1].sla); | |
00ababe4 | 2637 | #endif |
ebc9d360 RM |
2638 | free(ifo->ia); |
2639 | ||
e5fc8ac4 | 2640 | #ifdef AUTH |
c73ed171 RM |
2641 | while ((token = TAILQ_FIRST(&ifo->auth.tokens))) { |
2642 | TAILQ_REMOVE(&ifo->auth.tokens, token, next); | |
2643 | if (token->realm_len) | |
2644 | free(token->realm); | |
2645 | free(token->key); | |
2646 | free(token); | |
2647 | } | |
e5fc8ac4 | 2648 | #endif |
f43e5853 | 2649 | free(ifo); |
fd05b7dc | 2650 | } |
fd05b7dc | 2651 | } |