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114167a2 | 1 | /* SPDX-License-Identifier: BSD-2-Clause */ |
8cc47ba2 | 2 | /* |
fd05b7dc | 3 | * dhcpcd - DHCP client daemon |
94354c03 | 4 | * Copyright (c) 2006-2019 Roy Marples <roy@marples.name> |
fd05b7dc RM |
5 | * All rights reserved |
6 | ||
7 | * Redistribution and use in source and binary forms, with or without | |
8 | * modification, are permitted provided that the following conditions | |
9 | * are met: | |
10 | * 1. Redistributions of source code must retain the above copyright | |
11 | * notice, this list of conditions and the following disclaimer. | |
12 | * 2. Redistributions in binary form must reproduce the above copyright | |
13 | * notice, this list of conditions and the following disclaimer in the | |
14 | * documentation and/or other materials provided with the distribution. | |
15 | * | |
16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND | |
17 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
20 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
21 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
22 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
23 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
24 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
25 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
26 | * SUCH DAMAGE. | |
27 | */ | |
28 | ||
0d0c5f66 | 29 | #include <sys/param.h> |
727d8459 | 30 | #include <sys/stat.h> |
fd05b7dc RM |
31 | #include <sys/types.h> |
32 | ||
33 | #include <arpa/inet.h> | |
34 | ||
35 | #include <ctype.h> | |
36 | #include <errno.h> | |
37 | #include <getopt.h> | |
a93e79c6 | 38 | #include <grp.h> |
f94b4eab | 39 | #include <inttypes.h> |
0d0c5f66 | 40 | #include <limits.h> |
fd05b7dc RM |
41 | #include <paths.h> |
42 | #include <stdio.h> | |
43 | #include <stdlib.h> | |
44 | #include <string.h> | |
45 | #include <unistd.h> | |
46 | #include <time.h> | |
47 | ||
fd05b7dc | 48 | #include "config.h" |
9f7780b0 | 49 | #include "common.h" |
d7555c12 RM |
50 | #include "dhcp.h" |
51 | #include "dhcp6.h" | |
1cd05a96 | 52 | #include "dhcpcd-embedded.h" |
b825b39f | 53 | #include "if.h" |
fd05b7dc | 54 | #include "if-options.h" |
e88c525f | 55 | #include "ipv4.h" |
94d1ded9 | 56 | #include "logerr.h" |
9aa11487 | 57 | #include "sa.h" |
fd05b7dc | 58 | |
4ca7460f RM |
59 | /* These options only make sense in the config file, so don't use any |
60 | valid short options for them */ | |
eebe9a18 RM |
61 | #define O_BASE MAX('z', 'Z') + 1 |
62 | #define O_ARPING O_BASE + 1 | |
63 | #define O_FALLBACK O_BASE + 2 | |
64 | #define O_DESTINATION O_BASE + 3 | |
65 | #define O_IPV6RS O_BASE + 4 | |
00ababe4 RM |
66 | #define O_NOIPV6RS O_BASE + 5 |
67 | #define O_IPV6RA_FORK O_BASE + 6 | |
281818ae | 68 | #define O_LINK_RCVBUF O_BASE + 7 |
cdf4387e | 69 | // unused O_BASE + 8 |
7dab081f | 70 | #define O_NOALIAS O_BASE + 9 |
00ababe4 RM |
71 | #define O_IA_NA O_BASE + 10 |
72 | #define O_IA_TA O_BASE + 11 | |
73 | #define O_IA_PD O_BASE + 12 | |
d6a18654 | 74 | #define O_HOSTNAME_SHORT O_BASE + 13 |
413652c1 RM |
75 | #define O_DEV O_BASE + 14 |
76 | #define O_NODEV O_BASE + 15 | |
bb8051bf RM |
77 | #define O_NOIPV4 O_BASE + 16 |
78 | #define O_NOIPV6 O_BASE + 17 | |
ebc9d360 | 79 | #define O_IAID O_BASE + 18 |
8e7d8c37 RM |
80 | #define O_DEFINE O_BASE + 19 |
81 | #define O_DEFINE6 O_BASE + 20 | |
82 | #define O_EMBED O_BASE + 21 | |
83 | #define O_ENCAP O_BASE + 22 | |
7a911e57 RM |
84 | #define O_VENDOPT O_BASE + 23 |
85 | #define O_VENDCLASS O_BASE + 24 | |
c73ed171 RM |
86 | #define O_AUTHPROTOCOL O_BASE + 25 |
87 | #define O_AUTHTOKEN O_BASE + 26 | |
88 | #define O_AUTHNOTREQUIRED O_BASE + 27 | |
d4154ba7 RM |
89 | #define O_NODHCP O_BASE + 28 |
90 | #define O_NODHCP6 O_BASE + 29 | |
94bec972 RM |
91 | #define O_DHCP O_BASE + 30 |
92 | #define O_DHCP6 O_BASE + 31 | |
93 | #define O_IPV4 O_BASE + 32 | |
94 | #define O_IPV6 O_BASE + 33 | |
a93e79c6 | 95 | #define O_CONTROLGRP O_BASE + 34 |
1aeaf0e7 | 96 | #define O_SLAAC O_BASE + 35 |
feb553d0 | 97 | #define O_GATEWAY O_BASE + 36 |
2862d340 | 98 | #define O_NOUP O_BASE + 37 |
62f12387 RM |
99 | #define O_IPV6RA_AUTOCONF O_BASE + 38 |
100 | #define O_IPV6RA_NOAUTOCONF O_BASE + 39 | |
85bff648 | 101 | #define O_REJECT O_BASE + 40 |
8f924434 | 102 | #define O_BOOTP O_BASE + 42 |
2be15e88 | 103 | #define O_DEFINEND O_BASE + 43 |
f572315d | 104 | #define O_NODELAY O_BASE + 44 |
567a2357 | 105 | #define O_INFORM6 O_BASE + 45 |
b1ad0d39 | 106 | #define O_LASTLEASE_EXTEND O_BASE + 46 |
b4a86584 | 107 | #define O_INACTIVE O_BASE + 47 |
d85ad7d0 | 108 | #define O_MUDURL O_BASE + 48 |
413652c1 | 109 | |
fd05b7dc | 110 | const struct option cf_options[] = { |
ba97e494 RM |
111 | {"background", no_argument, NULL, 'b'}, |
112 | {"script", required_argument, NULL, 'c'}, | |
113 | {"debug", no_argument, NULL, 'd'}, | |
6bfd88f1 | 114 | {"env", required_argument, NULL, 'e'}, |
ba97e494 | 115 | {"config", required_argument, NULL, 'f'}, |
6bfd88f1 | 116 | {"reconfigure", no_argument, NULL, 'g'}, |
ba97e494 RM |
117 | {"hostname", optional_argument, NULL, 'h'}, |
118 | {"vendorclassid", optional_argument, NULL, 'i'}, | |
e7045be0 | 119 | {"logfile", required_argument, NULL, 'j'}, |
ba97e494 RM |
120 | {"release", no_argument, NULL, 'k'}, |
121 | {"leasetime", required_argument, NULL, 'l'}, | |
122 | {"metric", required_argument, NULL, 'm'}, | |
123 | {"rebind", no_argument, NULL, 'n'}, | |
124 | {"option", required_argument, NULL, 'o'}, | |
125 | {"persistent", no_argument, NULL, 'p'}, | |
126 | {"quiet", no_argument, NULL, 'q'}, | |
127 | {"request", optional_argument, NULL, 'r'}, | |
128 | {"inform", optional_argument, NULL, 's'}, | |
567a2357 | 129 | {"inform6", optional_argument, NULL, O_INFORM6}, |
ba97e494 RM |
130 | {"timeout", required_argument, NULL, 't'}, |
131 | {"userclass", required_argument, NULL, 'u'}, | |
132 | {"vendor", required_argument, NULL, 'v'}, | |
7013b073 | 133 | {"waitip", optional_argument, NULL, 'w'}, |
ba97e494 | 134 | {"exit", no_argument, NULL, 'x'}, |
d3088c74 | 135 | {"allowinterfaces", required_argument, NULL, 'z'}, |
a2a9a498 | 136 | {"reboot", required_argument, NULL, 'y'}, |
ba97e494 RM |
137 | {"noarp", no_argument, NULL, 'A'}, |
138 | {"nobackground", no_argument, NULL, 'B'}, | |
139 | {"nohook", required_argument, NULL, 'C'}, | |
140 | {"duid", no_argument, NULL, 'D'}, | |
141 | {"lastlease", no_argument, NULL, 'E'}, | |
142 | {"fqdn", optional_argument, NULL, 'F'}, | |
143 | {"nogateway", no_argument, NULL, 'G'}, | |
00ababe4 | 144 | {"xidhwaddr", no_argument, NULL, 'H'}, |
ba97e494 | 145 | {"clientid", optional_argument, NULL, 'I'}, |
900b3da4 | 146 | {"broadcast", no_argument, NULL, 'J'}, |
ba97e494 RM |
147 | {"nolink", no_argument, NULL, 'K'}, |
148 | {"noipv4ll", no_argument, NULL, 'L'}, | |
b3174181 | 149 | {"master", no_argument, NULL, 'M'}, |
56a66017 | 150 | {"renew", no_argument, NULL, 'N'}, |
5114e3dc | 151 | {"nooption", required_argument, NULL, 'O'}, |
c31b1719 | 152 | {"printpidfile", no_argument, NULL, 'P'}, |
ba97e494 | 153 | {"require", required_argument, NULL, 'Q'}, |
91a44b91 | 154 | {"static", required_argument, NULL, 'S'}, |
ba97e494 | 155 | {"test", no_argument, NULL, 'T'}, |
dc60cba4 | 156 | {"dumplease", no_argument, NULL, 'U'}, |
ba97e494 | 157 | {"variables", no_argument, NULL, 'V'}, |
bf80d526 | 158 | {"whitelist", required_argument, NULL, 'W'}, |
ba97e494 | 159 | {"blacklist", required_argument, NULL, 'X'}, |
d3088c74 | 160 | {"denyinterfaces", required_argument, NULL, 'Z'}, |
df574999 RM |
161 | {"oneshot", no_argument, NULL, '1'}, |
162 | {"ipv4only", no_argument, NULL, '4'}, | |
163 | {"ipv6only", no_argument, NULL, '6'}, | |
4ca7460f | 164 | {"arping", required_argument, NULL, O_ARPING}, |
41c60e02 | 165 | {"destination", required_argument, NULL, O_DESTINATION}, |
ff021b0b | 166 | {"fallback", required_argument, NULL, O_FALLBACK}, |
eebe9a18 | 167 | {"ipv6rs", no_argument, NULL, O_IPV6RS}, |
91cd7324 | 168 | {"noipv6rs", no_argument, NULL, O_NOIPV6RS}, |
62f12387 RM |
169 | {"ipv6ra_autoconf", no_argument, NULL, O_IPV6RA_AUTOCONF}, |
170 | {"ipv6ra_noautoconf", no_argument, NULL, O_IPV6RA_NOAUTOCONF}, | |
eebe9a18 | 171 | {"ipv6ra_fork", no_argument, NULL, O_IPV6RA_FORK}, |
94bec972 | 172 | {"ipv4", no_argument, NULL, O_IPV4}, |
bb8051bf | 173 | {"noipv4", no_argument, NULL, O_NOIPV4}, |
94bec972 | 174 | {"ipv6", no_argument, NULL, O_IPV6}, |
bb8051bf | 175 | {"noipv6", no_argument, NULL, O_NOIPV6}, |
7dab081f | 176 | {"noalias", no_argument, NULL, O_NOALIAS}, |
7a911e57 | 177 | {"iaid", required_argument, NULL, O_IAID}, |
00ababe4 RM |
178 | {"ia_na", no_argument, NULL, O_IA_NA}, |
179 | {"ia_ta", no_argument, NULL, O_IA_TA}, | |
180 | {"ia_pd", no_argument, NULL, O_IA_PD}, | |
d6a18654 | 181 | {"hostname_short", no_argument, NULL, O_HOSTNAME_SHORT}, |
413652c1 RM |
182 | {"dev", required_argument, NULL, O_DEV}, |
183 | {"nodev", no_argument, NULL, O_NODEV}, | |
7a911e57 | 184 | {"define", required_argument, NULL, O_DEFINE}, |
2be15e88 | 185 | {"definend", required_argument, NULL, O_DEFINEND}, |
7a911e57 RM |
186 | {"define6", required_argument, NULL, O_DEFINE6}, |
187 | {"embed", required_argument, NULL, O_EMBED}, | |
188 | {"encap", required_argument, NULL, O_ENCAP}, | |
189 | {"vendopt", required_argument, NULL, O_VENDOPT}, | |
190 | {"vendclass", required_argument, NULL, O_VENDCLASS}, | |
c73ed171 RM |
191 | {"authprotocol", required_argument, NULL, O_AUTHPROTOCOL}, |
192 | {"authtoken", required_argument, NULL, O_AUTHTOKEN}, | |
193 | {"noauthrequired", no_argument, NULL, O_AUTHNOTREQUIRED}, | |
94bec972 | 194 | {"dhcp", no_argument, NULL, O_DHCP}, |
d4154ba7 | 195 | {"nodhcp", no_argument, NULL, O_NODHCP}, |
94bec972 | 196 | {"dhcp6", no_argument, NULL, O_DHCP6}, |
d4154ba7 | 197 | {"nodhcp6", no_argument, NULL, O_NODHCP6}, |
a93e79c6 | 198 | {"controlgroup", required_argument, NULL, O_CONTROLGRP}, |
1aeaf0e7 | 199 | {"slaac", required_argument, NULL, O_SLAAC}, |
feb553d0 | 200 | {"gateway", no_argument, NULL, O_GATEWAY}, |
85bff648 | 201 | {"reject", required_argument, NULL, O_REJECT}, |
8f924434 | 202 | {"bootp", no_argument, NULL, O_BOOTP}, |
f572315d | 203 | {"nodelay", no_argument, NULL, O_NODELAY}, |
2862d340 | 204 | {"noup", no_argument, NULL, O_NOUP}, |
b1ad0d39 | 205 | {"lastleaseextend", no_argument, NULL, O_LASTLEASE_EXTEND}, |
b4a86584 | 206 | {"inactive", no_argument, NULL, O_INACTIVE}, |
d85ad7d0 | 207 | {"mudurl", required_argument, NULL, O_MUDURL}, |
281818ae | 208 | {"link_rcvbuf", required_argument, NULL, O_LINK_RCVBUF}, |
ba97e494 | 209 | {NULL, 0, NULL, '\0'} |
fd05b7dc RM |
210 | }; |
211 | ||
ab3e580d RM |
212 | static const char *default_script = SCRIPT; |
213 | ||
00ababe4 | 214 | static char * |
6df0a6b1 | 215 | add_environ(char ***array, const char *value, int uniq) |
fd05b7dc | 216 | { |
6df0a6b1 | 217 | char **newlist, **list = *array; |
fd05b7dc | 218 | size_t i = 0, l, lv; |
fa245a4d | 219 | char *match = NULL, *p, *n; |
fd05b7dc | 220 | |
78369646 RM |
221 | match = strdup(value); |
222 | if (match == NULL) { | |
94d1ded9 | 223 | logerr(__func__); |
78369646 RM |
224 | return NULL; |
225 | } | |
fd05b7dc | 226 | p = strchr(match, '='); |
d7cfde68 | 227 | if (p == NULL) { |
94d1ded9 | 228 | logerrx("%s: no assignment: %s", __func__, value); |
d7cfde68 RM |
229 | free(match); |
230 | return NULL; | |
231 | } | |
232 | *p++ = '\0'; | |
fd05b7dc RM |
233 | l = strlen(match); |
234 | ||
6df0a6b1 RM |
235 | while (list && list[i]) { |
236 | if (match && strncmp(list[i], match, l) == 0) { | |
fd05b7dc | 237 | if (uniq) { |
78369646 RM |
238 | n = strdup(value); |
239 | if (n == NULL) { | |
94d1ded9 | 240 | logerr(__func__); |
8fc52ced | 241 | free(match); |
78369646 RM |
242 | return NULL; |
243 | } | |
6df0a6b1 RM |
244 | free(list[i]); |
245 | list[i] = n; | |
fd05b7dc RM |
246 | } else { |
247 | /* Append a space and the value to it */ | |
6df0a6b1 | 248 | l = strlen(list[i]); |
d7cfde68 | 249 | lv = strlen(p); |
6df0a6b1 | 250 | n = realloc(list[i], l + lv + 2); |
fa245a4d | 251 | if (n == NULL) { |
94d1ded9 | 252 | logerr(__func__); |
8fc52ced | 253 | free(match); |
fa245a4d RM |
254 | return NULL; |
255 | } | |
6df0a6b1 RM |
256 | list[i] = n; |
257 | list[i][l] = ' '; | |
258 | memcpy(list[i] + l + 1, p, lv); | |
259 | list[i][l + lv + 1] = '\0'; | |
fd05b7dc RM |
260 | } |
261 | free(match); | |
6df0a6b1 | 262 | return list[i]; |
fd05b7dc RM |
263 | } |
264 | i++; | |
265 | } | |
266 | ||
8fc52ced | 267 | free(match); |
78369646 RM |
268 | n = strdup(value); |
269 | if (n == NULL) { | |
94d1ded9 | 270 | logerr(__func__); |
78369646 RM |
271 | return NULL; |
272 | } | |
6df0a6b1 | 273 | newlist = reallocarray(list, i + 2, sizeof(char *)); |
fa245a4d | 274 | if (newlist == NULL) { |
94d1ded9 | 275 | logerr(__func__); |
8fc52ced | 276 | free(n); |
fa245a4d RM |
277 | return NULL; |
278 | } | |
78369646 | 279 | newlist[i] = n; |
fd05b7dc | 280 | newlist[i + 1] = NULL; |
6df0a6b1 | 281 | *array = newlist; |
fd05b7dc RM |
282 | return newlist[i]; |
283 | } | |
284 | ||
f8ea60a1 RM |
285 | #define PARSE_STRING 0 |
286 | #define PARSE_STRING_NULL 1 | |
287 | #define PARSE_HWADDR 2 | |
288 | #define parse_string(a, b, c) parse_str((a), (b), (c), PARSE_STRING) | |
289 | #define parse_hwaddr(a, b, c) parse_str((a), (b), (c), PARSE_HWADDR) | |
fd05b7dc | 290 | static ssize_t |
f8ea60a1 | 291 | parse_str(char *sbuf, size_t slen, const char *str, int flags) |
fd05b7dc | 292 | { |
34457fe6 | 293 | size_t l; |
f8ea60a1 RM |
294 | const char *p, *end; |
295 | int i; | |
d11f52f2 | 296 | char c[4], cmd; |
fd05b7dc | 297 | |
f8ea60a1 | 298 | end = str + strlen(str); |
fd05b7dc RM |
299 | /* If surrounded by quotes then it's a string */ |
300 | if (*str == '"') { | |
f8ea60a1 RM |
301 | p = end - 1; |
302 | if (*p == '"') { | |
303 | str++; | |
304 | end = p; | |
305 | } | |
fd05b7dc | 306 | } else { |
34457fe6 RM |
307 | l = (size_t)hwaddr_aton(NULL, str); |
308 | if ((ssize_t) l != -1 && l > 1) { | |
fd05b7dc RM |
309 | if (l > slen) { |
310 | errno = ENOBUFS; | |
311 | return -1; | |
312 | } | |
313 | hwaddr_aton((uint8_t *)sbuf, str); | |
34457fe6 | 314 | return (ssize_t)l; |
fd05b7dc RM |
315 | } |
316 | } | |
317 | ||
318 | /* Process escapes */ | |
319 | l = 0; | |
320 | /* If processing a string on the clientid, first byte should be | |
321 | * 0 to indicate a non hardware type */ | |
f8ea60a1 | 322 | if (flags == PARSE_HWADDR && *str) { |
7a911e57 RM |
323 | if (sbuf) |
324 | *sbuf++ = 0; | |
fd05b7dc RM |
325 | l++; |
326 | } | |
327 | c[3] = '\0'; | |
f8ea60a1 | 328 | while (str < end) { |
7a911e57 | 329 | if (++l > slen && sbuf) { |
fd05b7dc RM |
330 | errno = ENOBUFS; |
331 | return -1; | |
332 | } | |
333 | if (*str == '\\') { | |
334 | str++; | |
d11f52f2 | 335 | switch((cmd = *str++)) { |
fd05b7dc | 336 | case '\0': |
d11f52f2 | 337 | str--; |
fd05b7dc RM |
338 | break; |
339 | case 'b': | |
7a911e57 RM |
340 | if (sbuf) |
341 | *sbuf++ = '\b'; | |
fd05b7dc RM |
342 | break; |
343 | case 'n': | |
7a911e57 RM |
344 | if (sbuf) |
345 | *sbuf++ = '\n'; | |
fd05b7dc RM |
346 | break; |
347 | case 'r': | |
7a911e57 RM |
348 | if (sbuf) |
349 | *sbuf++ = '\r'; | |
fd05b7dc RM |
350 | break; |
351 | case 't': | |
7a911e57 RM |
352 | if (sbuf) |
353 | *sbuf++ = '\t'; | |
fd05b7dc RM |
354 | break; |
355 | case 'x': | |
356 | /* Grab a hex code */ | |
357 | c[1] = '\0'; | |
358 | for (i = 0; i < 2; i++) { | |
359 | if (isxdigit((unsigned char)*str) == 0) | |
360 | break; | |
361 | c[i] = *str++; | |
362 | } | |
7a911e57 | 363 | if (c[1] != '\0' && sbuf) { |
fd05b7dc | 364 | c[2] = '\0'; |
34457fe6 | 365 | *sbuf++ = (char)strtol(c, NULL, 16); |
fd05b7dc RM |
366 | } else |
367 | l--; | |
368 | break; | |
369 | case '0': | |
370 | /* Grab an octal code */ | |
371 | c[2] = '\0'; | |
372 | for (i = 0; i < 3; i++) { | |
373 | if (*str < '0' || *str > '7') | |
374 | break; | |
375 | c[i] = *str++; | |
376 | } | |
7a911e57 | 377 | if (c[2] != '\0' && sbuf) { |
34457fe6 | 378 | i = (int)strtol(c, NULL, 8); |
fd05b7dc RM |
379 | if (i > 255) |
380 | i = 255; | |
34457fe6 | 381 | *sbuf ++= (char)i; |
fd05b7dc RM |
382 | } else |
383 | l--; | |
384 | break; | |
385 | default: | |
7a911e57 | 386 | if (sbuf) |
d11f52f2 | 387 | *sbuf++ = cmd; |
7a911e57 | 388 | break; |
fd05b7dc | 389 | } |
7a911e57 RM |
390 | } else { |
391 | if (sbuf) | |
392 | *sbuf++ = *str; | |
393 | str++; | |
394 | } | |
fd05b7dc | 395 | } |
f8ea60a1 | 396 | if (flags == PARSE_STRING_NULL && sbuf) |
18b8f291 | 397 | *sbuf = '\0'; |
34457fe6 | 398 | return (ssize_t)l; |
fd05b7dc RM |
399 | } |
400 | ||
ebc9d360 | 401 | static int |
c73ed171 | 402 | parse_iaid1(uint8_t *iaid, const char *arg, size_t len, int n) |
ebc9d360 | 403 | { |
f94b4eab RM |
404 | int e; |
405 | uint32_t narg; | |
34457fe6 | 406 | ssize_t s; |
ebc9d360 | 407 | |
f94b4eab RM |
408 | narg = (uint32_t)strtou(arg, NULL, 0, 0, UINT32_MAX, &e); |
409 | if (e == 0) { | |
c73ed171 | 410 | if (n) |
f94b4eab RM |
411 | narg = htonl(narg); |
412 | memcpy(iaid, &narg, sizeof(narg)); | |
ebc9d360 RM |
413 | return 0; |
414 | } | |
415 | ||
069e2f28 | 416 | if ((s = parse_string((char *)iaid, len, arg)) < 1) |
ebc9d360 | 417 | return -1; |
ebc9d360 RM |
418 | if (s < 4) |
419 | iaid[3] = '\0'; | |
420 | if (s < 3) | |
421 | iaid[2] = '\0'; | |
422 | if (s < 2) | |
423 | iaid[1] = '\0'; | |
424 | return 0; | |
425 | } | |
426 | ||
c73ed171 RM |
427 | static int |
428 | parse_iaid(uint8_t *iaid, const char *arg, size_t len) | |
429 | { | |
430 | ||
431 | return parse_iaid1(iaid, arg, len, 1); | |
432 | } | |
433 | ||
e5fc8ac4 | 434 | #ifdef AUTH |
c73ed171 RM |
435 | static int |
436 | parse_uint32(uint32_t *i, const char *arg) | |
437 | { | |
438 | ||
439 | return parse_iaid1((uint8_t *)i, arg, sizeof(uint32_t), 0); | |
440 | } | |
e5fc8ac4 | 441 | #endif |
c73ed171 | 442 | |
ba97e494 | 443 | static char ** |
03274c9c | 444 | splitv(int *argc, char **argv, const char *arg) |
ba97e494 | 445 | { |
fa245a4d | 446 | char **n, **v = argv; |
78369646 | 447 | char *o = strdup(arg), *p, *t, *nt; |
ba97e494 | 448 | |
78369646 | 449 | if (o == NULL) { |
94d1ded9 | 450 | logerr(__func__); |
78369646 RM |
451 | return v; |
452 | } | |
ba97e494 RM |
453 | p = o; |
454 | while ((t = strsep(&p, ", "))) { | |
fa245a4d RM |
455 | nt = strdup(t); |
456 | if (nt == NULL) { | |
94d1ded9 | 457 | logerr(__func__); |
8fc52ced RM |
458 | free(o); |
459 | return v; | |
fa245a4d | 460 | } |
62c5b972 | 461 | n = reallocarray(v, (size_t)(*argc) + 1, sizeof(char *)); |
fa245a4d | 462 | if (n == NULL) { |
94d1ded9 | 463 | logerr(__func__); |
8fc52ced RM |
464 | free(o); |
465 | free(nt); | |
466 | return v; | |
fa245a4d RM |
467 | } |
468 | v = n; | |
8fc52ced | 469 | v[(*argc)++] = nt; |
ba97e494 RM |
470 | } |
471 | free(o); | |
00ababe4 | 472 | return v; |
ba97e494 RM |
473 | } |
474 | ||
1f4c1525 | 475 | #ifdef INET |
91a44b91 | 476 | static int |
03274c9c | 477 | parse_addr(struct in_addr *addr, struct in_addr *net, const char *arg) |
91a44b91 RM |
478 | { |
479 | char *p; | |
91a44b91 | 480 | |
2f7cb97c RM |
481 | if (arg == NULL || *arg == '\0') { |
482 | if (addr != NULL) | |
483 | addr->s_addr = 0; | |
484 | if (net != NULL) | |
485 | net->s_addr = 0; | |
91a44b91 | 486 | return 0; |
2f7cb97c | 487 | } |
91a44b91 | 488 | if ((p = strchr(arg, '/')) != NULL) { |
96dbe2c7 RM |
489 | int e; |
490 | intmax_t i; | |
491 | ||
91a44b91 | 492 | *p++ = '\0'; |
96dbe2c7 RM |
493 | i = strtoi(p, NULL, 10, 0, 32, &e); |
494 | if (e != 0 || | |
495 | (net != NULL && inet_cidrtoaddr((int)i, net) != 0)) | |
91a44b91 | 496 | { |
94d1ded9 | 497 | logerrx("`%s' is not a valid CIDR", p); |
91a44b91 RM |
498 | return -1; |
499 | } | |
00ababe4 | 500 | } |
2f7cb97c | 501 | |
91a44b91 | 502 | if (addr != NULL && inet_aton(arg, addr) == 0) { |
94d1ded9 | 503 | logerrx("`%s' is not a valid IP address", arg); |
91a44b91 RM |
504 | return -1; |
505 | } | |
2f7cb97c | 506 | if (p != NULL) |
e095a6eb | 507 | *--p = '/'; |
8fc52ced | 508 | else if (net != NULL && addr != NULL) |
e88c525f | 509 | net->s_addr = ipv4_getnetmask(addr->s_addr); |
91a44b91 | 510 | return 0; |
1f4c1525 | 511 | } |
aae24feb | 512 | #else |
1f4c1525 | 513 | static int |
03274c9c | 514 | parse_addr(__unused struct in_addr *addr, __unused struct in_addr *net, |
1f4c1525 RM |
515 | __unused const char *arg) |
516 | { | |
517 | ||
94d1ded9 | 518 | logerrx("No IPv4 support"); |
aae24feb | 519 | return -1; |
91a44b91 | 520 | } |
1f4c1525 | 521 | #endif |
91a44b91 | 522 | |
00ababe4 | 523 | static const char * |
4eb7b489 | 524 | set_option_space(struct dhcpcd_ctx *ctx, |
49b749f0 RM |
525 | const char *arg, |
526 | const struct dhcp_opt **d, size_t *dl, | |
527 | const struct dhcp_opt **od, size_t *odl, | |
d7555c12 | 528 | struct if_options *ifo, |
85bff648 | 529 | uint8_t *request[], uint8_t *require[], uint8_t *no[], uint8_t *reject[]) |
d7555c12 RM |
530 | { |
531 | ||
ca867830 | 532 | #if !defined(INET) && !defined(INET6) |
2be15e88 | 533 | UNUSED(ctx); |
ca867830 RM |
534 | #endif |
535 | ||
aae24feb | 536 | #ifdef INET6 |
2be15e88 RM |
537 | if (strncmp(arg, "nd_", strlen("nd_")) == 0) { |
538 | *d = ctx->nd_opts; | |
539 | *dl = ctx->nd_opts_len; | |
540 | *od = ifo->nd_override; | |
541 | *odl = ifo->nd_override_len; | |
542 | *request = ifo->requestmasknd; | |
543 | *require = ifo->requiremasknd; | |
544 | *no = ifo->nomasknd; | |
545 | *reject = ifo->rejectmasknd; | |
546 | return arg + strlen("nd_"); | |
547 | } | |
548 | ||
a1b1f0a8 | 549 | #ifdef DHCP6 |
d7555c12 | 550 | if (strncmp(arg, "dhcp6_", strlen("dhcp6_")) == 0) { |
4eb7b489 RM |
551 | *d = ctx->dhcp6_opts; |
552 | *dl = ctx->dhcp6_opts_len; | |
49b749f0 RM |
553 | *od = ifo->dhcp6_override; |
554 | *odl = ifo->dhcp6_override_len; | |
d7555c12 RM |
555 | *request = ifo->requestmask6; |
556 | *require = ifo->requiremask6; | |
557 | *no = ifo->nomask6; | |
85bff648 | 558 | *reject = ifo->rejectmask6; |
d7555c12 RM |
559 | return arg + strlen("dhcp6_"); |
560 | } | |
aae24feb | 561 | #endif |
a1b1f0a8 | 562 | #endif |
aae24feb RM |
563 | |
564 | #ifdef INET | |
4eb7b489 RM |
565 | *d = ctx->dhcp_opts; |
566 | *dl = ctx->dhcp_opts_len; | |
49b749f0 RM |
567 | *od = ifo->dhcp_override; |
568 | *odl = ifo->dhcp_override_len; | |
aae24feb RM |
569 | #else |
570 | *d = NULL; | |
ae4e592f | 571 | *dl = 0; |
49b749f0 RM |
572 | *od = NULL; |
573 | *odl = 0; | |
aae24feb | 574 | #endif |
d7555c12 RM |
575 | *request = ifo->requestmask; |
576 | *require = ifo->requiremask; | |
577 | *no = ifo->nomask; | |
85bff648 | 578 | *reject = ifo->rejectmask; |
d7555c12 RM |
579 | return arg; |
580 | } | |
581 | ||
1cd05a96 | 582 | void |
8e7d8c37 RM |
583 | free_dhcp_opt_embenc(struct dhcp_opt *opt) |
584 | { | |
585 | size_t i; | |
bc22d277 | 586 | struct dhcp_opt *o; |
8e7d8c37 | 587 | |
bc22d277 | 588 | free(opt->var); |
8e7d8c37 | 589 | |
bc22d277 | 590 | for (i = 0, o = opt->embopts; i < opt->embopts_len; i++, o++) |
e877fba7 | 591 | free_dhcp_opt_embenc(o); |
8e7d8c37 RM |
592 | free(opt->embopts); |
593 | opt->embopts_len = 0; | |
594 | opt->embopts = NULL; | |
595 | ||
bc22d277 | 596 | for (i = 0, o = opt->encopts; i < opt->encopts_len; i++, o++) |
e877fba7 | 597 | free_dhcp_opt_embenc(o); |
8e7d8c37 RM |
598 | free(opt->encopts); |
599 | opt->encopts_len = 0; | |
600 | opt->encopts = NULL; | |
601 | } | |
602 | ||
1cd05a96 RM |
603 | static char * |
604 | strwhite(const char *s) | |
605 | { | |
606 | ||
4dd50184 RM |
607 | if (s == NULL) |
608 | return NULL; | |
1cd05a96 RM |
609 | while (*s != ' ' && *s != '\t') { |
610 | if (*s == '\0') | |
611 | return NULL; | |
612 | s++; | |
613 | } | |
614 | return UNCONST(s); | |
615 | } | |
616 | ||
617 | static char * | |
618 | strskipwhite(const char *s) | |
619 | { | |
620 | ||
79f1f126 | 621 | if (s == NULL || *s == '\0') |
4dd50184 | 622 | return NULL; |
1cd05a96 | 623 | while (*s == ' ' || *s == '\t') { |
79f1f126 | 624 | s++; |
1cd05a96 RM |
625 | if (*s == '\0') |
626 | return NULL; | |
1cd05a96 RM |
627 | } |
628 | return UNCONST(s); | |
629 | } | |
630 | ||
e5fc8ac4 | 631 | #ifdef AUTH |
c73ed171 RM |
632 | /* Find the end pointer of a string. */ |
633 | static char * | |
634 | strend(const char *s) | |
635 | { | |
636 | ||
637 | s = strskipwhite(s); | |
638 | if (s == NULL) | |
639 | return NULL; | |
640 | if (*s != '"') | |
641 | return strchr(s, ' '); | |
642 | s++; | |
643 | for (; *s != '"' ; s++) { | |
644 | if (*s == '\0') | |
645 | return NULL; | |
646 | if (*s == '\\') { | |
647 | if (*(++s) == '\0') | |
648 | return NULL; | |
649 | } | |
650 | } | |
651 | return UNCONST(++s); | |
652 | } | |
e5fc8ac4 | 653 | #endif |
c73ed171 | 654 | |
fd05b7dc | 655 | static int |
4eb7b489 RM |
656 | parse_option(struct dhcpcd_ctx *ctx, const char *ifname, struct if_options *ifo, |
657 | int opt, const char *arg, struct dhcp_opt **ldop, struct dhcp_opt **edop) | |
fd05b7dc | 658 | { |
f94b4eab | 659 | int e, i, t; |
a93e79c6 | 660 | long l; |
76bb4d03 | 661 | unsigned long u; |
6df0a6b1 | 662 | char *p = NULL, *bp, *fp, *np; |
fd05b7dc | 663 | ssize_t s; |
e095a6eb | 664 | struct in_addr addr, addr2; |
fa245a4d | 665 | in_addr_t *naddr; |
91a44b91 | 666 | struct rt *rt; |
49b749f0 | 667 | const struct dhcp_opt *d, *od; |
85bff648 | 668 | uint8_t *request, *require, *no, *reject; |
8e7d8c37 | 669 | struct dhcp_opt **dop, *ndop; |
49b749f0 | 670 | size_t *dop_len, dl, odl; |
7a911e57 | 671 | struct vivco *vivco; |
a93e79c6 | 672 | struct group *grp; |
e5fc8ac4 RM |
673 | #ifdef AUTH |
674 | struct token *token; | |
675 | #endif | |
a93e79c6 | 676 | #ifdef _REENTRANT |
a93e79c6 RM |
677 | struct group grpbuf; |
678 | #endif | |
bd762353 | 679 | #ifdef DHCP6 |
1f4c1525 | 680 | size_t sl; |
ebc9d360 RM |
681 | struct if_ia *ia; |
682 | uint8_t iaid[4]; | |
c25b444e | 683 | #ifndef SMALL |
5985c4e2 | 684 | struct if_sla *sla, *slap; |
c25b444e | 685 | #endif |
1f4c1525 | 686 | #endif |
fd05b7dc | 687 | |
8e7d8c37 RM |
688 | dop = NULL; |
689 | dop_len = NULL; | |
7a02120f RM |
690 | #ifdef INET6 |
691 | i = 0; | |
692 | #endif | |
6bcb242d RM |
693 | |
694 | /* Add a guard for static analysers. | |
695 | * This should not be needed really because of the argument_required option | |
696 | * in the options declaration above. */ | |
697 | #define ARG_REQUIRED if (arg == NULL) goto arg_required | |
698 | ||
fd05b7dc | 699 | switch(opt) { |
5e2062a4 | 700 | case 'f': /* FALLTHROUGH */ |
6bfd88f1 | 701 | case 'g': /* FALLTHROUGH */ |
da166178 | 702 | case 'n': /* FALLTHROUGH */ |
03274c9c | 703 | case 'q': /* FALLTHROUGH */ |
da166178 | 704 | case 'x': /* FALLTHROUGH */ |
56a66017 | 705 | case 'N': /* FALLTHROUGH */ |
c31b1719 | 706 | case 'P': /* FALLTHROUGH */ |
dc60cba4 | 707 | case 'T': /* FALLTHROUGH */ |
b7f5d1db RM |
708 | case 'U': /* FALLTHROUGH */ |
709 | case 'V': /* We need to handle non interface options */ | |
fd05b7dc | 710 | break; |
03c2c879 RM |
711 | case 'b': |
712 | ifo->options |= DHCPCD_BACKGROUND; | |
713 | break; | |
fd05b7dc | 714 | case 'c': |
6bcb242d | 715 | ARG_REQUIRED; |
ab3e580d RM |
716 | if (ifo->script != default_script) |
717 | free(ifo->script); | |
f8ea60a1 | 718 | s = parse_str(NULL, 0, arg, PARSE_STRING_NULL); |
a497e79a | 719 | if (s == 0) { |
fc281aed RM |
720 | ifo->script = NULL; |
721 | break; | |
722 | } | |
a497e79a RM |
723 | dl = (size_t)s; |
724 | if (s == -1 || (ifo->script = malloc(dl)) == NULL) { | |
ab3e580d | 725 | ifo->script = NULL; |
94d1ded9 | 726 | logerr(__func__); |
a497e79a RM |
727 | return -1; |
728 | } | |
f8ea60a1 | 729 | parse_str(ifo->script, dl, arg, PARSE_STRING_NULL); |
a497e79a RM |
730 | if (ifo->script[0] == '\0' || |
731 | strcmp(ifo->script, "/dev/null") == 0) | |
732 | { | |
733 | free(ifo->script); | |
734 | ifo->script = NULL; | |
735 | } | |
fd05b7dc | 736 | break; |
acb1cf88 RM |
737 | case 'd': |
738 | ifo->options |= DHCPCD_DEBUG; | |
739 | break; | |
6bfd88f1 | 740 | case 'e': |
6bcb242d | 741 | ARG_REQUIRED; |
6df0a6b1 | 742 | add_environ(&ifo->environ, arg, 1); |
6bfd88f1 | 743 | break; |
fd05b7dc | 744 | case 'h': |
cc3c3560 RM |
745 | if (!arg) { |
746 | ifo->options |= DHCPCD_HOSTNAME; | |
747 | break; | |
748 | } | |
749 | s = parse_string(ifo->hostname, HOSTNAME_MAX_LEN, arg); | |
750 | if (s == -1) { | |
94d1ded9 | 751 | logerr("%s: hostname", __func__); |
cc3c3560 RM |
752 | return -1; |
753 | } | |
754 | if (s != 0 && ifo->hostname[0] == '.') { | |
94d1ded9 | 755 | logerrx("hostname cannot begin with ."); |
cc3c3560 | 756 | return -1; |
fd05b7dc | 757 | } |
cc3c3560 | 758 | ifo->hostname[s] = '\0'; |
ed913a59 RM |
759 | if (ifo->hostname[0] == '\0') |
760 | ifo->options &= ~DHCPCD_HOSTNAME; | |
761 | else | |
762 | ifo->options |= DHCPCD_HOSTNAME; | |
fd05b7dc RM |
763 | break; |
764 | case 'i': | |
765 | if (arg) | |
766 | s = parse_string((char *)ifo->vendorclassid + 1, | |
eab2229c | 767 | VENDORCLASSID_MAX_LEN, arg); |
fd05b7dc RM |
768 | else |
769 | s = 0; | |
770 | if (s == -1) { | |
94d1ded9 | 771 | logerr("vendorclassid"); |
fd05b7dc RM |
772 | return -1; |
773 | } | |
774 | *ifo->vendorclassid = (uint8_t)s; | |
775 | break; | |
94d1ded9 RM |
776 | case 'j': |
777 | ARG_REQUIRED; | |
778 | /* per interface logging is not supported | |
779 | * don't want to overide the commandline */ | |
780 | if (ifname == NULL && ctx->logfile == NULL) { | |
781 | logclose(); | |
782 | ctx->logfile = strdup(arg); | |
783 | logopen(ctx->logfile); | |
784 | } | |
785 | break; | |
2662d519 RM |
786 | case 'k': |
787 | ifo->options |= DHCPCD_RELEASE; | |
788 | break; | |
fd05b7dc | 789 | case 'l': |
6bcb242d | 790 | ARG_REQUIRED; |
f94b4eab RM |
791 | ifo->leasetime = (uint32_t)strtou(arg, NULL, |
792 | 0, 0, UINT32_MAX, &e); | |
793 | if (e) { | |
94d1ded9 | 794 | logerrx("failed to convert leasetime %s", arg); |
fd05b7dc RM |
795 | return -1; |
796 | } | |
797 | break; | |
798 | case 'm': | |
6bcb242d | 799 | ARG_REQUIRED; |
f94b4eab RM |
800 | ifo->metric = (int)strtoi(arg, NULL, 0, 0, INT32_MAX, &e); |
801 | if (e) { | |
94d1ded9 | 802 | logerrx("failed to convert metric %s", arg); |
fd05b7dc RM |
803 | return -1; |
804 | } | |
805 | break; | |
806 | case 'o': | |
6bcb242d | 807 | ARG_REQUIRED; |
49b749f0 | 808 | arg = set_option_space(ctx, arg, &d, &dl, &od, &odl, ifo, |
85bff648 | 809 | &request, &require, &no, &reject); |
49b749f0 | 810 | if (make_option_mask(d, dl, od, odl, request, arg, 1) != 0 || |
85bff648 RM |
811 | make_option_mask(d, dl, od, odl, no, arg, -1) != 0 || |
812 | make_option_mask(d, dl, od, odl, reject, arg, -1) != 0) | |
813 | { | |
94d1ded9 | 814 | logerrx("unknown option `%s'", arg); |
85bff648 RM |
815 | return -1; |
816 | } | |
817 | break; | |
818 | case O_REJECT: | |
6bcb242d | 819 | ARG_REQUIRED; |
85bff648 RM |
820 | arg = set_option_space(ctx, arg, &d, &dl, &od, &odl, ifo, |
821 | &request, &require, &no, &reject); | |
822 | if (make_option_mask(d, dl, od, odl, reject, arg, 1) != 0 || | |
823 | make_option_mask(d, dl, od, odl, request, arg, -1) != 0 || | |
824 | make_option_mask(d, dl, od, odl, require, arg, -1) != 0) | |
ee56a47d | 825 | { |
94d1ded9 | 826 | logerrx("unknown option `%s'", arg); |
fd05b7dc RM |
827 | return -1; |
828 | } | |
829 | break; | |
830 | case 'p': | |
831 | ifo->options |= DHCPCD_PERSISTENT; | |
832 | break; | |
2f7cb97c | 833 | case 'r': |
03274c9c | 834 | if (parse_addr(&ifo->req_addr, NULL, arg) != 0) |
2f7cb97c | 835 | return -1; |
5b39d8f5 | 836 | ifo->options |= DHCPCD_REQUEST; |
2f7cb97c RM |
837 | ifo->req_mask.s_addr = 0; |
838 | break; | |
fd05b7dc | 839 | case 's': |
2f7cb97c | 840 | if (arg && *arg != '\0') { |
6dc3763d RM |
841 | /* Strip out a broadcast address */ |
842 | p = strchr(arg, '/'); | |
843 | if (p != NULL) { | |
844 | p = strchr(p + 1, '/'); | |
845 | if (p != NULL) | |
846 | *p = '\0'; | |
847 | } | |
848 | i = parse_addr(&ifo->req_addr, &ifo->req_mask, arg); | |
849 | if (p != NULL) { | |
850 | /* Ensure the original string is preserved */ | |
851 | *p++ = '/'; | |
852 | if (i == 0) | |
853 | i = parse_addr(&ifo->req_brd, NULL, p); | |
854 | } | |
855 | if (i != 0) | |
91a44b91 | 856 | return -1; |
2f7cb97c RM |
857 | } else { |
858 | ifo->req_addr.s_addr = 0; | |
859 | ifo->req_mask.s_addr = 0; | |
fd05b7dc | 860 | } |
5b39d8f5 | 861 | ifo->options |= DHCPCD_INFORM | DHCPCD_PERSISTENT; |
10e16029 | 862 | ifo->options &= ~DHCPCD_STATIC; |
91a44b91 | 863 | break; |
567a2357 RM |
864 | case O_INFORM6: |
865 | ifo->options |= DHCPCD_INFORM6; | |
866 | break; | |
fd05b7dc | 867 | case 't': |
6bcb242d | 868 | ARG_REQUIRED; |
f94b4eab RM |
869 | ifo->timeout = (time_t)strtoi(arg, NULL, 0, 0, INT32_MAX, &e); |
870 | if (e) { | |
94d1ded9 | 871 | logerrx("failed to convert timeout %s", arg); |
fd05b7dc RM |
872 | return -1; |
873 | } | |
874 | break; | |
875 | case 'u': | |
876 | s = USERCLASS_MAX_LEN - ifo->userclass[0] - 1; | |
eab2229c | 877 | s = parse_string((char *)ifo->userclass + |
34457fe6 | 878 | ifo->userclass[0] + 2, (size_t)s, arg); |
fd05b7dc | 879 | if (s == -1) { |
94d1ded9 | 880 | logerr("userclass"); |
fd05b7dc RM |
881 | return -1; |
882 | } | |
883 | if (s != 0) { | |
34457fe6 | 884 | ifo->userclass[ifo->userclass[0] + 1] = (uint8_t)s; |
d7a4dcf9 | 885 | ifo->userclass[0] = (uint8_t)(ifo->userclass[0] + s +1); |
fd05b7dc RM |
886 | } |
887 | break; | |
888 | case 'v': | |
6bcb242d | 889 | ARG_REQUIRED; |
fd05b7dc RM |
890 | p = strchr(arg, ','); |
891 | if (!p || !p[1]) { | |
94d1ded9 | 892 | logerrx("invalid vendor format: %s", arg); |
fd05b7dc RM |
893 | return -1; |
894 | } | |
95d6dcfa RM |
895 | |
896 | /* If vendor starts with , then it is not encapsulated */ | |
897 | if (p == arg) { | |
898 | arg++; | |
899 | s = parse_string((char *)ifo->vendor + 1, | |
900 | VENDOR_MAX_LEN, arg); | |
901 | if (s == -1) { | |
94d1ded9 | 902 | logerr("vendor"); |
95d6dcfa RM |
903 | return -1; |
904 | } | |
905 | ifo->vendor[0] = (uint8_t)s; | |
906 | ifo->options |= DHCPCD_VENDORRAW; | |
907 | break; | |
908 | } | |
909 | ||
910 | /* Encapsulated vendor options */ | |
911 | if (ifo->options & DHCPCD_VENDORRAW) { | |
912 | ifo->options &= ~DHCPCD_VENDORRAW; | |
913 | ifo->vendor[0] = 0; | |
914 | } | |
915 | ||
d7a4dcf9 RM |
916 | /* Strip and preserve the comma */ |
917 | *p = '\0'; | |
f94b4eab | 918 | i = (int)strtoi(arg, NULL, 0, 1, 254, &e); |
d7a4dcf9 | 919 | *p = ','; |
f94b4eab | 920 | if (e) { |
94d1ded9 | 921 | logerrx("vendor option should be between" |
eab2229c | 922 | " 1 and 254 inclusive"); |
fd05b7dc RM |
923 | return -1; |
924 | } | |
b357d09f RM |
925 | |
926 | arg = p + 1; | |
fd05b7dc RM |
927 | s = VENDOR_MAX_LEN - ifo->vendor[0] - 2; |
928 | if (inet_aton(arg, &addr) == 1) { | |
929 | if (s < 6) { | |
930 | s = -1; | |
931 | errno = ENOBUFS; | |
aeddc61a | 932 | } else { |
fd05b7dc | 933 | memcpy(ifo->vendor + ifo->vendor[0] + 3, |
eab2229c | 934 | &addr.s_addr, sizeof(addr.s_addr)); |
aeddc61a RM |
935 | s = sizeof(addr.s_addr); |
936 | } | |
fd05b7dc | 937 | } else { |
eab2229c | 938 | s = parse_string((char *)ifo->vendor + |
34457fe6 | 939 | ifo->vendor[0] + 3, (size_t)s, arg); |
fd05b7dc RM |
940 | } |
941 | if (s == -1) { | |
94d1ded9 | 942 | logerr("vendor"); |
fd05b7dc RM |
943 | return -1; |
944 | } | |
945 | if (s != 0) { | |
34457fe6 RM |
946 | ifo->vendor[ifo->vendor[0] + 1] = (uint8_t)i; |
947 | ifo->vendor[ifo->vendor[0] + 2] = (uint8_t)s; | |
d7a4dcf9 | 948 | ifo->vendor[0] = (uint8_t)(ifo->vendor[0] + s + 2); |
fd05b7dc RM |
949 | } |
950 | break; | |
2a07a2af RM |
951 | case 'w': |
952 | ifo->options |= DHCPCD_WAITIP; | |
7013b073 RM |
953 | if (arg != NULL && arg[0] != '\0') { |
954 | if (arg[0] == '4' || arg[1] == '4') | |
955 | ifo->options |= DHCPCD_WAITIP4; | |
956 | if (arg[0] == '6' || arg[1] == '6') | |
957 | ifo->options |= DHCPCD_WAITIP6; | |
958 | } | |
2a07a2af | 959 | break; |
a2a9a498 | 960 | case 'y': |
6bcb242d | 961 | ARG_REQUIRED; |
f94b4eab RM |
962 | ifo->reboot = (time_t)strtoi(arg, NULL, 0, 0, UINT32_MAX, &e); |
963 | if (e) { | |
94d1ded9 | 964 | logerr("failed to convert reboot %s", arg); |
a2a9a498 RM |
965 | return -1; |
966 | } | |
967 | break; | |
d3088c74 | 968 | case 'z': |
6bcb242d | 969 | ARG_REQUIRED; |
4eb7b489 | 970 | if (ifname == NULL) |
03274c9c | 971 | ctx->ifav = splitv(&ctx->ifac, ctx->ifav, arg); |
d3088c74 | 972 | break; |
fd05b7dc RM |
973 | case 'A': |
974 | ifo->options &= ~DHCPCD_ARP; | |
975 | /* IPv4LL requires ARP */ | |
976 | ifo->options &= ~DHCPCD_IPV4LL; | |
977 | break; | |
03c2c879 RM |
978 | case 'B': |
979 | ifo->options &= ~DHCPCD_DAEMONISE; | |
980 | break; | |
fd05b7dc | 981 | case 'C': |
6bcb242d | 982 | ARG_REQUIRED; |
fd05b7dc RM |
983 | /* Commas to spaces for shell */ |
984 | while ((p = strchr(arg, ','))) | |
985 | *p = ' '; | |
34457fe6 RM |
986 | dl = strlen("skip_hooks=") + strlen(arg) + 1; |
987 | p = malloc(sizeof(char) * dl); | |
28382337 | 988 | if (p == NULL) { |
94d1ded9 | 989 | logerr(__func__); |
28382337 RM |
990 | return -1; |
991 | } | |
34457fe6 | 992 | snprintf(p, dl, "skip_hooks=%s", arg); |
6df0a6b1 | 993 | add_environ(&ifo->environ, p, 0); |
fd05b7dc RM |
994 | free(p); |
995 | break; | |
996 | case 'D': | |
c989b023 | 997 | ifo->options |= DHCPCD_CLIENTID | DHCPCD_DUID; |
fd05b7dc RM |
998 | break; |
999 | case 'E': | |
1000 | ifo->options |= DHCPCD_LASTLEASE; | |
1001 | break; | |
1002 | case 'F': | |
1003 | if (!arg) { | |
1004 | ifo->fqdn = FQDN_BOTH; | |
1005 | break; | |
1006 | } | |
1007 | if (strcmp(arg, "none") == 0) | |
1008 | ifo->fqdn = FQDN_NONE; | |
1009 | else if (strcmp(arg, "ptr") == 0) | |
1010 | ifo->fqdn = FQDN_PTR; | |
1011 | else if (strcmp(arg, "both") == 0) | |
1012 | ifo->fqdn = FQDN_BOTH; | |
1013 | else if (strcmp(arg, "disable") == 0) | |
1014 | ifo->fqdn = FQDN_DISABLE; | |
1015 | else { | |
94d1ded9 | 1016 | logerrx("invalid value `%s' for FQDN", arg); |
fd05b7dc RM |
1017 | return -1; |
1018 | } | |
1019 | break; | |
feb553d0 RM |
1020 | case 'G': |
1021 | ifo->options &= ~DHCPCD_GATEWAY; | |
1022 | break; | |
4242c9b3 RM |
1023 | case 'H': |
1024 | ifo->options |= DHCPCD_XID_HWADDR; | |
1025 | break; | |
fd05b7dc RM |
1026 | case 'I': |
1027 | /* Strings have a type of 0 */; | |
1028 | ifo->clientid[1] = 0; | |
1029 | if (arg) | |
f8ea60a1 RM |
1030 | s = parse_hwaddr((char *)ifo->clientid + 1, |
1031 | CLIENTID_MAX_LEN, arg); | |
fd05b7dc RM |
1032 | else |
1033 | s = 0; | |
1034 | if (s == -1) { | |
94d1ded9 | 1035 | logerr("clientid"); |
fd05b7dc RM |
1036 | return -1; |
1037 | } | |
c989b023 | 1038 | ifo->options |= DHCPCD_CLIENTID; |
fd05b7dc | 1039 | ifo->clientid[0] = (uint8_t)s; |
fd05b7dc | 1040 | break; |
900b3da4 RM |
1041 | case 'J': |
1042 | ifo->options |= DHCPCD_BROADCAST; | |
1043 | break; | |
fd05b7dc RM |
1044 | case 'K': |
1045 | ifo->options &= ~DHCPCD_LINK; | |
1046 | break; | |
1047 | case 'L': | |
1048 | ifo->options &= ~DHCPCD_IPV4LL; | |
1049 | break; | |
b3174181 RM |
1050 | case 'M': |
1051 | ifo->options |= DHCPCD_MASTER; | |
1052 | break; | |
fd05b7dc | 1053 | case 'O': |
6bcb242d | 1054 | ARG_REQUIRED; |
49b749f0 | 1055 | arg = set_option_space(ctx, arg, &d, &dl, &od, &odl, ifo, |
85bff648 | 1056 | &request, &require, &no, &reject); |
49b749f0 RM |
1057 | if (make_option_mask(d, dl, od, odl, request, arg, -1) != 0 || |
1058 | make_option_mask(d, dl, od, odl, require, arg, -1) != 0 || | |
1059 | make_option_mask(d, dl, od, odl, no, arg, 1) != 0) | |
fd05b7dc | 1060 | { |
94d1ded9 | 1061 | logerrx("unknown option `%s'", arg); |
fd05b7dc RM |
1062 | return -1; |
1063 | } | |
1064 | break; | |
1065 | case 'Q': | |
6bcb242d | 1066 | ARG_REQUIRED; |
49b749f0 | 1067 | arg = set_option_space(ctx, arg, &d, &dl, &od, &odl, ifo, |
85bff648 | 1068 | &request, &require, &no, &reject); |
49b749f0 RM |
1069 | if (make_option_mask(d, dl, od, odl, require, arg, 1) != 0 || |
1070 | make_option_mask(d, dl, od, odl, request, arg, 1) != 0 || | |
85bff648 RM |
1071 | make_option_mask(d, dl, od, odl, no, arg, -1) != 0 || |
1072 | make_option_mask(d, dl, od, odl, reject, arg, -1) != 0) | |
fd05b7dc | 1073 | { |
94d1ded9 | 1074 | logerrx("unknown option `%s'", arg); |
fd05b7dc RM |
1075 | return -1; |
1076 | } | |
1077 | break; | |
91a44b91 | 1078 | case 'S': |
6bcb242d | 1079 | ARG_REQUIRED; |
91a44b91 RM |
1080 | p = strchr(arg, '='); |
1081 | if (p == NULL) { | |
94d1ded9 | 1082 | logerrx("static assignment required"); |
91a44b91 RM |
1083 | return -1; |
1084 | } | |
1085 | p++; | |
1086 | if (strncmp(arg, "ip_address=", strlen("ip_address=")) == 0) { | |
03274c9c | 1087 | if (parse_addr(&ifo->req_addr, |
776961cf RM |
1088 | ifo->req_mask.s_addr == 0 ? &ifo->req_mask : NULL, |
1089 | p) != 0) | |
91a44b91 RM |
1090 | return -1; |
1091 | ||
1092 | ifo->options |= DHCPCD_STATIC; | |
fa8b2a7a | 1093 | ifo->options &= ~DHCPCD_INFORM; |
069e2f28 RM |
1094 | } else if (strncmp(arg, "subnet_mask=", |
1095 | strlen("subnet_mask=")) == 0) | |
1096 | { | |
03274c9c | 1097 | if (parse_addr(&ifo->req_mask, NULL, p) != 0) |
776961cf | 1098 | return -1; |
6dc3763d RM |
1099 | } else if (strncmp(arg, "broadcast_address=", |
1100 | strlen("broadcast_address=")) == 0) | |
1101 | { | |
1102 | if (parse_addr(&ifo->req_brd, NULL, p) != 0) | |
1103 | return -1; | |
91a44b91 | 1104 | } else if (strncmp(arg, "routes=", strlen("routes=")) == 0 || |
069e2f28 RM |
1105 | strncmp(arg, "static_routes=", |
1106 | strlen("static_routes=")) == 0 || | |
1107 | strncmp(arg, "classless_static_routes=", | |
1108 | strlen("classless_static_routes=")) == 0 || | |
1109 | strncmp(arg, "ms_classless_static_routes=", | |
1110 | strlen("ms_classless_static_routes=")) == 0) | |
91a44b91 | 1111 | { |
9aa11487 RM |
1112 | struct in_addr addr3; |
1113 | ||
1cd05a96 | 1114 | fp = np = strwhite(p); |
91a44b91 | 1115 | if (np == NULL) { |
94d1ded9 | 1116 | logerrx("all routes need a gateway"); |
91a44b91 RM |
1117 | return -1; |
1118 | } | |
1119 | *np++ = '\0'; | |
1cd05a96 | 1120 | np = strskipwhite(np); |
03274c9c RM |
1121 | if (parse_addr(&addr, &addr2, p) == -1 || |
1122 | parse_addr(&addr3, NULL, np) == -1) | |
9aa11487 | 1123 | { |
4c9c4b3e RM |
1124 | *fp = ' '; |
1125 | return -1; | |
91a44b91 | 1126 | } |
696dcaa4 RM |
1127 | *fp = ' '; |
1128 | if ((rt = rt_new0(ctx)) == NULL) | |
91a44b91 | 1129 | return -1; |
9aa11487 RM |
1130 | sa_in_init(&rt->rt_dest, &addr); |
1131 | sa_in_init(&rt->rt_netmask, &addr2); | |
1132 | sa_in_init(&rt->rt_gateway, &addr3); | |
960abfd2 | 1133 | if (rt_proto_add_ctx(&ifo->routes, rt, ctx)) |
696dcaa4 | 1134 | add_environ(&ifo->config, arg, 0); |
91a44b91 | 1135 | } else if (strncmp(arg, "routers=", strlen("routers=")) == 0) { |
03274c9c | 1136 | if (parse_addr(&addr, NULL, p) == -1) |
4c9c4b3e | 1137 | return -1; |
77cdf115 | 1138 | if ((rt = rt_new0(ctx)) == NULL) |
91a44b91 | 1139 | return -1; |
9aa11487 RM |
1140 | addr2.s_addr = INADDR_ANY; |
1141 | sa_in_init(&rt->rt_dest, &addr2); | |
1142 | sa_in_init(&rt->rt_netmask, &addr2); | |
1143 | sa_in_init(&rt->rt_gateway, &addr); | |
960abfd2 | 1144 | if (rt_proto_add_ctx(&ifo->routes, rt, ctx)) |
696dcaa4 | 1145 | add_environ(&ifo->config, arg, 0); |
afcd7cbd RM |
1146 | } else if (strncmp(arg, "interface_mtu=", |
1147 | strlen("interface_mtu=")) == 0 || | |
1148 | strncmp(arg, "mtu=", strlen("mtu=")) == 0) | |
1149 | { | |
1150 | ifo->mtu = (unsigned int)strtou(p, NULL, 0, | |
1151 | MTU_MIN, MTU_MAX, &e); | |
1152 | if (e) { | |
94d1ded9 | 1153 | logerrx("invalid MTU %s", p); |
afcd7cbd RM |
1154 | return -1; |
1155 | } | |
408fe755 RM |
1156 | } else if (strncmp(arg, "ip6_address=", strlen("ip6_address=")) == 0) { |
1157 | np = strchr(p, '/'); | |
1158 | if (np) | |
1159 | *np++ = '\0'; | |
1160 | if (inet_pton(AF_INET6, p, &ifo->req_addr6) == 1) { | |
1161 | if (np) { | |
1162 | ifo->req_prefix_len = (uint8_t)strtou(np, | |
1163 | NULL, 0, 0, 128, &e); | |
1164 | if (e) { | |
94d1ded9 | 1165 | logerrx("%s: failed to " |
408fe755 RM |
1166 | "convert prefix len", |
1167 | ifname); | |
1168 | return -1; | |
1169 | } | |
1170 | } else | |
1171 | ifo->req_prefix_len = 128; | |
1172 | } | |
6df0a6b1 RM |
1173 | } else |
1174 | add_environ(&ifo->config, arg, 1); | |
91a44b91 | 1175 | break; |
bf80d526 | 1176 | case 'W': |
03274c9c | 1177 | if (parse_addr(&addr, &addr2, arg) != 0) |
bf80d526 RM |
1178 | return -1; |
1179 | if (strchr(arg, '/') == NULL) | |
1180 | addr2.s_addr = INADDR_BROADCAST; | |
62c5b972 RM |
1181 | naddr = reallocarray(ifo->whitelist, |
1182 | ifo->whitelist_len + 2, sizeof(in_addr_t)); | |
fa245a4d | 1183 | if (naddr == NULL) { |
94d1ded9 | 1184 | logerr(__func__); |
fa245a4d RM |
1185 | return -1; |
1186 | } | |
1187 | ifo->whitelist = naddr; | |
bf80d526 RM |
1188 | ifo->whitelist[ifo->whitelist_len++] = addr.s_addr; |
1189 | ifo->whitelist[ifo->whitelist_len++] = addr2.s_addr; | |
1190 | break; | |
fd05b7dc | 1191 | case 'X': |
03274c9c | 1192 | if (parse_addr(&addr, &addr2, arg) != 0) |
fd05b7dc | 1193 | return -1; |
ce6b39df RM |
1194 | if (strchr(arg, '/') == NULL) |
1195 | addr2.s_addr = INADDR_BROADCAST; | |
62c5b972 RM |
1196 | naddr = reallocarray(ifo->blacklist, |
1197 | ifo->blacklist_len + 2, sizeof(in_addr_t)); | |
fa245a4d | 1198 | if (naddr == NULL) { |
94d1ded9 | 1199 | logerr(__func__); |
fa245a4d RM |
1200 | return -1; |
1201 | } | |
1202 | ifo->blacklist = naddr; | |
e095a6eb RM |
1203 | ifo->blacklist[ifo->blacklist_len++] = addr.s_addr; |
1204 | ifo->blacklist[ifo->blacklist_len++] = addr2.s_addr; | |
fd05b7dc | 1205 | break; |
d3088c74 | 1206 | case 'Z': |
6bcb242d | 1207 | ARG_REQUIRED; |
4eb7b489 | 1208 | if (ifname == NULL) |
03274c9c | 1209 | ctx->ifdv = splitv(&ctx->ifdc, ctx->ifdv, arg); |
d3088c74 | 1210 | break; |
df574999 RM |
1211 | case '1': |
1212 | ifo->options |= DHCPCD_ONESHOT; | |
1213 | break; | |
d7555c12 | 1214 | case '4': |
2f0addfd | 1215 | ifo->options &= ~DHCPCD_IPV6; |
d7555c12 RM |
1216 | ifo->options |= DHCPCD_IPV4; |
1217 | break; | |
1218 | case '6': | |
1219 | ifo->options &= ~DHCPCD_IPV4; | |
2f0addfd | 1220 | ifo->options |= DHCPCD_IPV6; |
d7555c12 | 1221 | break; |
94bec972 RM |
1222 | case O_IPV4: |
1223 | ifo->options |= DHCPCD_IPV4; | |
1224 | break; | |
bb8051bf RM |
1225 | case O_NOIPV4: |
1226 | ifo->options &= ~DHCPCD_IPV4; | |
1227 | break; | |
94bec972 RM |
1228 | case O_IPV6: |
1229 | ifo->options |= DHCPCD_IPV6; | |
1230 | break; | |
bb8051bf RM |
1231 | case O_NOIPV6: |
1232 | ifo->options &= ~DHCPCD_IPV6; | |
1233 | break; | |
aae24feb | 1234 | #ifdef INET |
4ca7460f | 1235 | case O_ARPING: |
79f1f126 | 1236 | while (arg != NULL) { |
48ac077b RM |
1237 | fp = strwhite(arg); |
1238 | if (fp) | |
1239 | *fp++ = '\0'; | |
03274c9c | 1240 | if (parse_addr(&addr, NULL, arg) != 0) |
48ac077b | 1241 | return -1; |
62c5b972 RM |
1242 | naddr = reallocarray(ifo->arping, |
1243 | (size_t)ifo->arping_len + 1, sizeof(in_addr_t)); | |
48ac077b | 1244 | if (naddr == NULL) { |
94d1ded9 | 1245 | logerr(__func__); |
48ac077b RM |
1246 | return -1; |
1247 | } | |
1248 | ifo->arping = naddr; | |
1249 | ifo->arping[ifo->arping_len++] = addr.s_addr; | |
4dd50184 | 1250 | arg = strskipwhite(fp); |
fa245a4d | 1251 | } |
4ca7460f | 1252 | break; |
41c60e02 | 1253 | case O_DESTINATION: |
6bcb242d | 1254 | ARG_REQUIRED; |
49b749f0 | 1255 | arg = set_option_space(ctx, arg, &d, &dl, &od, &odl, ifo, |
85bff648 | 1256 | &request, &require, &no, &reject); |
49b749f0 RM |
1257 | if (make_option_mask(d, dl, od, odl, |
1258 | ifo->dstmask, arg, 2) != 0) | |
1259 | { | |
41c60e02 | 1260 | if (errno == EINVAL) |
94d1ded9 | 1261 | logerrx("option `%s' does not take" |
41c60e02 RM |
1262 | " an IPv4 address", arg); |
1263 | else | |
94d1ded9 | 1264 | logerrx("unknown option `%s'", arg); |
41c60e02 RM |
1265 | return -1; |
1266 | } | |
1267 | break; | |
ff021b0b | 1268 | case O_FALLBACK: |
6bcb242d | 1269 | ARG_REQUIRED; |
ff021b0b | 1270 | free(ifo->fallback); |
78369646 RM |
1271 | ifo->fallback = strdup(arg); |
1272 | if (ifo->fallback == NULL) { | |
94d1ded9 | 1273 | logerrx(__func__); |
00ababe4 | 1274 | return -1; |
78369646 | 1275 | } |
ff021b0b | 1276 | break; |
aae24feb | 1277 | #endif |
ebc9d360 | 1278 | case O_IAID: |
6bcb242d | 1279 | ARG_REQUIRED; |
9ff636a5 | 1280 | if (ifname == NULL) { |
94d1ded9 | 1281 | logerrx("IAID must belong in an interface block"); |
9ff636a5 RM |
1282 | return -1; |
1283 | } | |
069e2f28 | 1284 | if (parse_iaid(ifo->iaid, arg, sizeof(ifo->iaid)) == -1) { |
94d1ded9 | 1285 | logerrx("invalid IAID %s", arg); |
ebc9d360 | 1286 | return -1; |
069e2f28 | 1287 | } |
ebc9d360 | 1288 | ifo->options |= DHCPCD_IAID; |
563a421c | 1289 | break; |
eebe9a18 RM |
1290 | case O_IPV6RS: |
1291 | ifo->options |= DHCPCD_IPV6RS; | |
1292 | break; | |
91cd7324 | 1293 | case O_NOIPV6RS: |
61dd6cf9 RM |
1294 | ifo->options &= ~DHCPCD_IPV6RS; |
1295 | break; | |
eebe9a18 | 1296 | case O_IPV6RA_FORK: |
61dd6cf9 | 1297 | ifo->options &= ~DHCPCD_IPV6RA_REQRDNSS; |
91cd7324 | 1298 | break; |
62f12387 RM |
1299 | case O_IPV6RA_AUTOCONF: |
1300 | ifo->options |= DHCPCD_IPV6RA_AUTOCONF; | |
1301 | break; | |
1302 | case O_IPV6RA_NOAUTOCONF: | |
1303 | ifo->options &= ~DHCPCD_IPV6RA_AUTOCONF; | |
1304 | break; | |
7dab081f RM |
1305 | case O_NOALIAS: |
1306 | ifo->options |= DHCPCD_NOALIAS; | |
1307 | break; | |
bd762353 | 1308 | #ifdef DHCP6 |
00ababe4 RM |
1309 | case O_IA_NA: |
1310 | i = D6_OPTION_IA_NA; | |
1311 | /* FALLTHROUGH */ | |
1312 | case O_IA_TA: | |
1313 | if (i == 0) | |
1314 | i = D6_OPTION_IA_TA; | |
1315 | /* FALLTHROUGH */ | |
1316 | case O_IA_PD: | |
9ff636a5 | 1317 | if (i == 0) { |
c25b444e RM |
1318 | #ifdef SMALL |
1319 | logwarnx("%s: IA_PD not compiled in", ifname); | |
1320 | return -1; | |
1321 | #else | |
9ff636a5 | 1322 | if (ifname == NULL) { |
08f2db73 | 1323 | logerrx("IA PD must belong in an " |
94d1ded9 | 1324 | "interface block"); |
9ff636a5 RM |
1325 | return -1; |
1326 | } | |
00ababe4 | 1327 | i = D6_OPTION_IA_PD; |
c25b444e | 1328 | #endif |
9ff636a5 | 1329 | } |
b0ca9ae9 | 1330 | if (ifname == NULL && arg) { |
94d1ded9 RM |
1331 | logerrx("IA with IAID must belong in an " |
1332 | "interface block"); | |
9ff636a5 RM |
1333 | return -1; |
1334 | } | |
00ababe4 | 1335 | ifo->options |= DHCPCD_IA_FORCED; |
52bcdc34 RM |
1336 | fp = strwhite(arg); |
1337 | if (fp) { | |
1338 | *fp++ = '\0'; | |
1339 | fp = strskipwhite(fp); | |
1340 | } | |
b0ca9ae9 | 1341 | if (arg) { |
b0ca9ae9 RM |
1342 | p = strchr(arg, '/'); |
1343 | if (p) | |
1344 | *p++ = '\0'; | |
069e2f28 | 1345 | if (parse_iaid(iaid, arg, sizeof(iaid)) == -1) { |
94d1ded9 | 1346 | logerr("invalid IAID: %s", arg); |
b0ca9ae9 | 1347 | return -1; |
069e2f28 | 1348 | } |
52bcdc34 | 1349 | } |
ebc9d360 RM |
1350 | ia = NULL; |
1351 | for (sl = 0; sl < ifo->ia_len; sl++) { | |
52bcdc34 | 1352 | if ((arg == NULL && !ifo->ia[sl].iaid_set) || |
ee184a69 | 1353 | (arg != NULL && ifo->ia[sl].iaid_set && |
766ce48c | 1354 | ifo->ia[sl].ia_type == (uint16_t)i && |
8371b540 | 1355 | ifo->ia[sl].iaid[0] == iaid[0] && |
ebc9d360 RM |
1356 | ifo->ia[sl].iaid[1] == iaid[1] && |
1357 | ifo->ia[sl].iaid[2] == iaid[2] && | |
b0ca9ae9 | 1358 | ifo->ia[sl].iaid[3] == iaid[3])) |
00ababe4 | 1359 | { |
ebc9d360 | 1360 | ia = &ifo->ia[sl]; |
00ababe4 RM |
1361 | break; |
1362 | } | |
1363 | } | |
ebc9d360 | 1364 | if (ia == NULL) { |
62c5b972 RM |
1365 | ia = reallocarray(ifo->ia, |
1366 | ifo->ia_len + 1, sizeof(*ifo->ia)); | |
ebc9d360 | 1367 | if (ia == NULL) { |
94d1ded9 | 1368 | logerr(__func__); |
00ababe4 RM |
1369 | return -1; |
1370 | } | |
ebc9d360 RM |
1371 | ifo->ia = ia; |
1372 | ia = &ifo->ia[ifo->ia_len++]; | |
b0ca9ae9 | 1373 | ia->ia_type = (uint16_t)i; |
52bcdc34 | 1374 | if (arg) { |
b0ca9ae9 RM |
1375 | ia->iaid[0] = iaid[0]; |
1376 | ia->iaid[1] = iaid[1]; | |
1377 | ia->iaid[2] = iaid[2]; | |
1378 | ia->iaid[3] = iaid[3]; | |
1379 | ia->iaid_set = 1; | |
1380 | } else | |
1381 | ia->iaid_set = 0; | |
1382 | if (!ia->iaid_set || | |
1383 | p == NULL || | |
1384 | ia->ia_type == D6_OPTION_IA_TA) | |
1385 | { | |
4f94ed51 RM |
1386 | memset(&ia->addr, 0, sizeof(ia->addr)); |
1387 | ia->prefix_len = 0; | |
1388 | } else { | |
1389 | arg = p; | |
1390 | p = strchr(arg, '/'); | |
1391 | if (p) | |
1392 | *p++ = '\0'; | |
1393 | if (inet_pton(AF_INET6, arg, &ia->addr) == -1) { | |
94d1ded9 | 1394 | logerr("%s", arg); |
4f94ed51 RM |
1395 | memset(&ia->addr, 0, sizeof(ia->addr)); |
1396 | } | |
b0ca9ae9 | 1397 | if (p && ia->ia_type == D6_OPTION_IA_PD) { |
40095c80 RM |
1398 | ia->prefix_len = (uint8_t)strtou(p, |
1399 | NULL, 0, 8, 120, &e); | |
f94b4eab | 1400 | if (e) { |
94d1ded9 | 1401 | logerrx("%s: failed to convert" |
f94b4eab RM |
1402 | " prefix len", |
1403 | p); | |
4f94ed51 | 1404 | ia->prefix_len = 0; |
40095c80 | 1405 | } |
4f94ed51 RM |
1406 | } |
1407 | } | |
c25b444e | 1408 | #ifndef SMALL |
e69793ff | 1409 | ia->sla_max = 0; |
ebc9d360 | 1410 | ia->sla_len = 0; |
4f94ed51 | 1411 | ia->sla = NULL; |
c25b444e | 1412 | #endif |
00ababe4 | 1413 | } |
d210717a RM |
1414 | |
1415 | #ifdef SMALL | |
1416 | break; | |
1417 | #else | |
b0ca9ae9 | 1418 | if (ia->ia_type != D6_OPTION_IA_PD) |
7cece083 | 1419 | break; |
d210717a | 1420 | |
00ababe4 | 1421 | for (p = fp; p; p = fp) { |
1cd05a96 RM |
1422 | fp = strwhite(p); |
1423 | if (fp) { | |
00ababe4 | 1424 | *fp++ = '\0'; |
1cd05a96 RM |
1425 | fp = strskipwhite(fp); |
1426 | } | |
62c5b972 RM |
1427 | sla = reallocarray(ia->sla, |
1428 | ia->sla_len + 1, sizeof(*ia->sla)); | |
00ababe4 | 1429 | if (sla == NULL) { |
94d1ded9 | 1430 | logerr(__func__); |
00ababe4 RM |
1431 | return -1; |
1432 | } | |
ebc9d360 RM |
1433 | ia->sla = sla; |
1434 | sla = &ia->sla[ia->sla_len++]; | |
00ababe4 RM |
1435 | np = strchr(p, '/'); |
1436 | if (np) | |
1437 | *np++ = '\0'; | |
00ababe4 RM |
1438 | if (strlcpy(sla->ifname, p, |
1439 | sizeof(sla->ifname)) >= sizeof(sla->ifname)) | |
1440 | { | |
94d1ded9 | 1441 | logerrx("%s: interface name too long", arg); |
94a79cea | 1442 | goto err_sla; |
00ababe4 | 1443 | } |
fda2c663 RM |
1444 | sla->sla_set = 0; |
1445 | sla->prefix_len = 0; | |
1446 | sla->suffix = 1; | |
00ababe4 | 1447 | p = np; |
367f7b11 RM |
1448 | if (p) { |
1449 | np = strchr(p, '/'); | |
1450 | if (np) | |
1451 | *np++ = '\0'; | |
fda2c663 | 1452 | if (*p != '\0') { |
f94b4eab RM |
1453 | sla->sla = (uint32_t)strtou(p, NULL, |
1454 | 0, 0, UINT32_MAX, &e); | |
1455 | sla->sla_set = 1; | |
1456 | if (e) { | |
94d1ded9 RM |
1457 | logerrx("%s: failed to convert " |
1458 | "sla", | |
f94b4eab | 1459 | ifname); |
34457fe6 | 1460 | goto err_sla; |
f94b4eab | 1461 | } |
83919266 | 1462 | } |
fda2c663 RM |
1463 | p = np; |
1464 | } | |
1465 | if (p) { | |
1466 | np = strchr(p, '/'); | |
1467 | if (np) | |
1468 | *np++ = '\0'; | |
1469 | if (*p != '\0') { | |
55793e6a | 1470 | sla->prefix_len = (uint8_t)strtou(p, |
fda2c663 | 1471 | NULL, 0, 0, 120, &e); |
f94b4eab | 1472 | if (e) { |
94d1ded9 | 1473 | logerrx("%s: failed to " |
f94b4eab RM |
1474 | "convert prefix len", |
1475 | ifname); | |
94a79cea | 1476 | goto err_sla; |
f94b4eab | 1477 | } |
fda2c663 RM |
1478 | } |
1479 | p = np; | |
1480 | } | |
1481 | if (p) { | |
1482 | np = strchr(p, '/'); | |
1483 | if (np) | |
1484 | *np = '\0'; | |
1485 | if (*p != '\0') { | |
1486 | sla->suffix = (uint64_t)strtou(p, NULL, | |
1487 | 0, 0, UINT64_MAX, &e); | |
1488 | if (e) { | |
94d1ded9 | 1489 | logerrx("%s: failed to " |
fda2c663 RM |
1490 | "convert suffix", |
1491 | ifname); | |
1492 | goto err_sla; | |
1493 | } | |
1494 | } | |
e69793ff RM |
1495 | } |
1496 | /* Sanity check */ | |
1497 | for (sl = 0; sl < ia->sla_len - 1; sl++) { | |
1498 | slap = &ia->sla[sl]; | |
a268d0e4 | 1499 | if (slap->sla_set != sla->sla_set) { |
94d1ded9 | 1500 | logerrx("%s: cannot mix automatic " |
e69793ff RM |
1501 | "and fixed SLA", |
1502 | sla->ifname); | |
1503 | goto err_sla; | |
1504 | } | |
857a98fc RM |
1505 | if (ia->prefix_len && |
1506 | (sla->prefix_len == ia->prefix_len || | |
1507 | slap->prefix_len == ia->prefix_len)) | |
1508 | { | |
94d1ded9 | 1509 | logerrx("%s: cannot delegte the same" |
857a98fc RM |
1510 | "prefix length more than once", |
1511 | sla->ifname); | |
1512 | goto err_sla; | |
1513 | } | |
e69793ff RM |
1514 | if (sla->sla_set == 0 && |
1515 | strcmp(slap->ifname, sla->ifname) == 0) | |
1516 | { | |
94d1ded9 | 1517 | logwarnx("%s: cannot specify the " |
e69793ff RM |
1518 | "same interface twice with " |
1519 | "an automatic SLA", | |
1520 | sla->ifname); | |
1521 | goto err_sla; | |
5985c4e2 | 1522 | } |
663d44bf RM |
1523 | if (slap->sla_set && sla->sla_set && |
1524 | slap->sla == sla->sla) | |
b1582682 | 1525 | { |
94d1ded9 | 1526 | logerrx("%s: cannot" |
663d44bf RM |
1527 | " assign the same SLA %u" |
1528 | " more than once", | |
1529 | sla->ifname, sla->sla); | |
a268d0e4 RM |
1530 | goto err_sla; |
1531 | } | |
367f7b11 | 1532 | } |
e69793ff RM |
1533 | if (sla->sla_set && sla->sla > ia->sla_max) |
1534 | ia->sla_max = sla->sla; | |
00ababe4 | 1535 | } |
ebc9d360 | 1536 | break; |
94a79cea RM |
1537 | err_sla: |
1538 | ia->sla_len--; | |
1539 | return -1; | |
c25b444e | 1540 | #endif |
94a79cea | 1541 | #endif |
d6a18654 | 1542 | case O_HOSTNAME_SHORT: |
9c54b11b | 1543 | ifo->options |= DHCPCD_HOSTNAME | DHCPCD_HOSTNAME_SHORT; |
d6a18654 | 1544 | break; |
413652c1 | 1545 | case O_DEV: |
6bcb242d | 1546 | ARG_REQUIRED; |
4eb7b489 RM |
1547 | #ifdef PLUGIN_DEV |
1548 | if (ctx->dev_load) | |
1549 | free(ctx->dev_load); | |
1550 | ctx->dev_load = strdup(arg); | |
1551 | #endif | |
413652c1 RM |
1552 | break; |
1553 | case O_NODEV: | |
1554 | ifo->options &= ~DHCPCD_DEV; | |
1555 | break; | |
8e7d8c37 RM |
1556 | case O_DEFINE: |
1557 | dop = &ifo->dhcp_override; | |
1558 | dop_len = &ifo->dhcp_override_len; | |
1559 | /* FALLTHROUGH */ | |
2be15e88 RM |
1560 | case O_DEFINEND: |
1561 | if (dop == NULL) { | |
1562 | dop = &ifo->nd_override; | |
1563 | dop_len = &ifo->nd_override_len; | |
1564 | } | |
1565 | /* FALLTHROUGH */ | |
8e7d8c37 RM |
1566 | case O_DEFINE6: |
1567 | if (dop == NULL) { | |
1568 | dop = &ifo->dhcp6_override; | |
1569 | dop_len = &ifo->dhcp6_override_len; | |
1570 | } | |
7a911e57 RM |
1571 | /* FALLTHROUGH */ |
1572 | case O_VENDOPT: | |
1573 | if (dop == NULL) { | |
1574 | dop = &ifo->vivso_override; | |
1575 | dop_len = &ifo->vivso_override_len; | |
1576 | } | |
4eb7b489 | 1577 | *edop = *ldop = NULL; |
8e7d8c37 RM |
1578 | /* FALLTHROUGH */ |
1579 | case O_EMBED: | |
1580 | if (dop == NULL) { | |
4eb7b489 RM |
1581 | if (*edop) { |
1582 | dop = &(*edop)->embopts; | |
1583 | dop_len = &(*edop)->embopts_len; | |
03476881 | 1584 | } else if (ldop) { |
4eb7b489 RM |
1585 | dop = &(*ldop)->embopts; |
1586 | dop_len = &(*ldop)->embopts_len; | |
03476881 | 1587 | } else { |
94d1ded9 RM |
1588 | logerrx("embed must be after a define " |
1589 | "or encap"); | |
8e7d8c37 RM |
1590 | return -1; |
1591 | } | |
8e7d8c37 | 1592 | } |
03476881 | 1593 | /* FALLTHROUGH */ |
8e7d8c37 | 1594 | case O_ENCAP: |
6bcb242d | 1595 | ARG_REQUIRED; |
8e7d8c37 | 1596 | if (dop == NULL) { |
4eb7b489 | 1597 | if (*ldop == NULL) { |
94d1ded9 | 1598 | logerrx("encap must be after a define"); |
8e7d8c37 RM |
1599 | return -1; |
1600 | } | |
4eb7b489 RM |
1601 | dop = &(*ldop)->encopts; |
1602 | dop_len = &(*ldop)->encopts_len; | |
8e7d8c37 RM |
1603 | } |
1604 | ||
1605 | /* Shared code for define, define6, embed and encap */ | |
1606 | ||
1607 | /* code */ | |
1608 | if (opt == O_EMBED) /* Embedded options don't have codes */ | |
7a911e57 | 1609 | u = 0; |
8e7d8c37 | 1610 | else { |
1cd05a96 | 1611 | fp = strwhite(arg); |
4dd50184 | 1612 | if (fp == NULL) { |
94d1ded9 | 1613 | logerrx("invalid syntax: %s", arg); |
8e7d8c37 RM |
1614 | return -1; |
1615 | } | |
1616 | *fp++ = '\0'; | |
6dff2cb3 | 1617 | u = (uint32_t)strtou(arg, NULL, 0, 0, UINT32_MAX, &e); |
f94b4eab | 1618 | if (e) { |
94d1ded9 | 1619 | logerrx("invalid code: %s", arg); |
8e7d8c37 | 1620 | return -1; |
7a911e57 | 1621 | } |
1cd05a96 | 1622 | arg = strskipwhite(fp); |
4dd50184 | 1623 | if (arg == NULL) { |
94d1ded9 | 1624 | logerrx("invalid syntax"); |
4dd50184 RM |
1625 | return -1; |
1626 | } | |
8e7d8c37 RM |
1627 | } |
1628 | /* type */ | |
1cd05a96 | 1629 | fp = strwhite(arg); |
ab371aa6 | 1630 | if (fp) |
1cd05a96 | 1631 | *fp++ = '\0'; |
b21cd906 RM |
1632 | np = strchr(arg, ':'); |
1633 | /* length */ | |
1634 | if (np) { | |
1635 | *np++ = '\0'; | |
cc71162d | 1636 | bp = NULL; /* No bitflag */ |
f94b4eab RM |
1637 | l = (long)strtou(np, NULL, 0, 0, LONG_MAX, &e); |
1638 | if (e) { | |
94d1ded9 | 1639 | logerrx("failed to convert length"); |
b21cd906 | 1640 | return -1; |
f94b4eab | 1641 | } |
cc71162d | 1642 | } else { |
b21cd906 | 1643 | l = 0; |
cc71162d RM |
1644 | bp = strchr(arg, '='); /* bitflag assignment */ |
1645 | if (bp) | |
1646 | *bp++ = '\0'; | |
1647 | } | |
1cd05a96 RM |
1648 | t = 0; |
1649 | if (strcasecmp(arg, "request") == 0) { | |
41eefe94 | 1650 | t |= OT_REQUEST; |
1cd05a96 RM |
1651 | arg = strskipwhite(fp); |
1652 | fp = strwhite(arg); | |
1653 | if (fp == NULL) { | |
94d1ded9 | 1654 | logerrx("incomplete request type"); |
1cd05a96 RM |
1655 | return -1; |
1656 | } | |
1657 | *fp++ = '\0'; | |
1658 | } else if (strcasecmp(arg, "norequest") == 0) { | |
41eefe94 | 1659 | t |= OT_NOREQ; |
1cd05a96 RM |
1660 | arg = strskipwhite(fp); |
1661 | fp = strwhite(arg); | |
1662 | if (fp == NULL) { | |
94d1ded9 | 1663 | logerrx("incomplete request type"); |
1cd05a96 RM |
1664 | return -1; |
1665 | } | |
8e7d8c37 | 1666 | *fp++ = '\0'; |
1cd05a96 | 1667 | } |
ecdbb919 | 1668 | if (strcasecmp(arg, "optional") == 0) { |
41eefe94 | 1669 | t |= OT_OPTIONAL; |
ecdbb919 RM |
1670 | arg = strskipwhite(fp); |
1671 | fp = strwhite(arg); | |
1672 | if (fp == NULL) { | |
94d1ded9 | 1673 | logerrx("incomplete optional type"); |
ecdbb919 RM |
1674 | return -1; |
1675 | } | |
1676 | *fp++ = '\0'; | |
1677 | } | |
03476881 | 1678 | if (strcasecmp(arg, "index") == 0) { |
41eefe94 | 1679 | t |= OT_INDEX; |
03476881 RM |
1680 | arg = strskipwhite(fp); |
1681 | fp = strwhite(arg); | |
1682 | if (fp == NULL) { | |
94d1ded9 | 1683 | logerrx("incomplete index type"); |
03476881 RM |
1684 | return -1; |
1685 | } | |
1686 | *fp++ = '\0'; | |
1687 | } | |
1cd05a96 | 1688 | if (strcasecmp(arg, "array") == 0) { |
41eefe94 | 1689 | t |= OT_ARRAY; |
1cd05a96 RM |
1690 | arg = strskipwhite(fp); |
1691 | fp = strwhite(arg); | |
1692 | if (fp == NULL) { | |
94d1ded9 | 1693 | logerrx("incomplete array type"); |
1cd05a96 RM |
1694 | return -1; |
1695 | } | |
1696 | *fp++ = '\0'; | |
1697 | } | |
8e7d8c37 | 1698 | if (strcasecmp(arg, "ipaddress") == 0) |
41eefe94 | 1699 | t |= OT_ADDRIPV4; |
8e7d8c37 | 1700 | else if (strcasecmp(arg, "ip6address") == 0) |
41eefe94 | 1701 | t |= OT_ADDRIPV6; |
8e7d8c37 | 1702 | else if (strcasecmp(arg, "string") == 0) |
41eefe94 | 1703 | t |= OT_STRING; |
8e7d8c37 | 1704 | else if (strcasecmp(arg, "byte") == 0) |
41eefe94 | 1705 | t |= OT_UINT8; |
cc71162d | 1706 | else if (strcasecmp(arg, "bitflags") == 0) |
41eefe94 | 1707 | t |= OT_BITFLAG; |
c960d1e6 | 1708 | else if (strcasecmp(arg, "uint8") == 0) |
41eefe94 | 1709 | t |= OT_UINT8; |
c960d1e6 | 1710 | else if (strcasecmp(arg, "int8") == 0) |
41eefe94 | 1711 | t |= OT_INT8; |
8e7d8c37 | 1712 | else if (strcasecmp(arg, "uint16") == 0) |
41eefe94 | 1713 | t |= OT_UINT16; |
8e7d8c37 | 1714 | else if (strcasecmp(arg, "int16") == 0) |
41eefe94 | 1715 | t |= OT_INT16; |
8e7d8c37 | 1716 | else if (strcasecmp(arg, "uint32") == 0) |
41eefe94 | 1717 | t |= OT_UINT32; |
8e7d8c37 | 1718 | else if (strcasecmp(arg, "int32") == 0) |
41eefe94 | 1719 | t |= OT_INT32; |
1cd05a96 | 1720 | else if (strcasecmp(arg, "flag") == 0) |
41eefe94 | 1721 | t |= OT_FLAG; |
8f008ca7 | 1722 | else if (strcasecmp(arg, "raw") == 0) |
41eefe94 | 1723 | t |= OT_STRING | OT_RAW; |
8f008ca7 | 1724 | else if (strcasecmp(arg, "ascii") == 0) |
41eefe94 | 1725 | t |= OT_STRING | OT_ASCII; |
8e7d8c37 | 1726 | else if (strcasecmp(arg, "domain") == 0) |
41eefe94 | 1727 | t |= OT_STRING | OT_DOMAIN | OT_RFC1035; |
8f008ca7 | 1728 | else if (strcasecmp(arg, "dname") == 0) |
41eefe94 | 1729 | t |= OT_STRING | OT_DOMAIN; |
8e7d8c37 | 1730 | else if (strcasecmp(arg, "binhex") == 0) |
41eefe94 | 1731 | t |= OT_STRING | OT_BINHEX; |
8e7d8c37 | 1732 | else if (strcasecmp(arg, "embed") == 0) |
41eefe94 | 1733 | t |= OT_EMBED; |
8e7d8c37 | 1734 | else if (strcasecmp(arg, "encap") == 0) |
41eefe94 | 1735 | t |= OT_ENCAP; |
1cd05a96 | 1736 | else if (strcasecmp(arg, "rfc3361") ==0) |
41eefe94 | 1737 | t |= OT_STRING | OT_RFC3361; |
dfee59d2 | 1738 | else if (strcasecmp(arg, "rfc3442") ==0) |
41eefe94 | 1739 | t |= OT_STRING | OT_RFC3442; |
03476881 | 1740 | else if (strcasecmp(arg, "option") == 0) |
41eefe94 | 1741 | t |= OT_OPTION; |
8e7d8c37 | 1742 | else { |
94d1ded9 | 1743 | logerrx("unknown type: %s", arg); |
8e7d8c37 RM |
1744 | return -1; |
1745 | } | |
41eefe94 | 1746 | if (l && !(t & (OT_STRING | OT_BINHEX))) { |
94d1ded9 | 1747 | logwarnx("ignoring length for type `%s'", arg); |
b21cd906 RM |
1748 | l = 0; |
1749 | } | |
41eefe94 RM |
1750 | if (t & OT_ARRAY && t & (OT_STRING | OT_BINHEX) && |
1751 | !(t & (OT_RFC1035 | OT_DOMAIN))) | |
8f008ca7 | 1752 | { |
94d1ded9 | 1753 | logwarnx("ignoring array for strings"); |
41eefe94 | 1754 | t &= ~OT_ARRAY; |
63bdd2c2 | 1755 | } |
41eefe94 | 1756 | if (t & OT_BITFLAG) { |
cc71162d | 1757 | if (bp == NULL) |
94d1ded9 | 1758 | logwarnx("missing bitflag assignment"); |
cc71162d | 1759 | } |
8e7d8c37 | 1760 | /* variable */ |
d9fbb118 | 1761 | if (!fp) { |
41eefe94 | 1762 | if (!(t & OT_OPTION)) { |
94d1ded9 RM |
1763 | logerrx("type %s requires a variable name", |
1764 | arg); | |
03476881 RM |
1765 | return -1; |
1766 | } | |
1767 | np = NULL; | |
1768 | } else { | |
1769 | arg = strskipwhite(fp); | |
1770 | fp = strwhite(arg); | |
1771 | if (fp) | |
1772 | *fp++ = '\0'; | |
cc71162d RM |
1773 | if (strcasecmp(arg, "reserved")) { |
1774 | np = strdup(arg); | |
1775 | if (np == NULL) { | |
94d1ded9 | 1776 | logerr(__func__); |
cc71162d RM |
1777 | return -1; |
1778 | } | |
1779 | } else { | |
1780 | np = NULL; | |
41eefe94 | 1781 | t |= OT_RESERVED; |
03476881 | 1782 | } |
8e7d8c37 | 1783 | } |
6714b786 | 1784 | if (opt != O_EMBED) { |
f132acc3 RM |
1785 | for (dl = 0, ndop = *dop; dl < *dop_len; dl++, ndop++) |
1786 | { | |
1cd05a96 RM |
1787 | /* type 0 seems freshly malloced struct |
1788 | * for us to use */ | |
7a911e57 | 1789 | if (ndop->option == u || ndop->type == 0) |
8e7d8c37 RM |
1790 | break; |
1791 | } | |
f132acc3 RM |
1792 | if (dl == *dop_len) |
1793 | ndop = NULL; | |
1794 | } else | |
1795 | ndop = NULL; | |
6714b786 | 1796 | if (ndop == NULL) { |
62c5b972 RM |
1797 | ndop = reallocarray(*dop, *dop_len + 1, sizeof(**dop)); |
1798 | if (ndop == NULL) { | |
94d1ded9 | 1799 | logerr(__func__); |
8fc52ced | 1800 | free(np); |
8e7d8c37 RM |
1801 | return -1; |
1802 | } | |
1803 | *dop = ndop; | |
1804 | ndop = &(*dop)[(*dop_len)++]; | |
8e7d8c37 RM |
1805 | ndop->embopts = NULL; |
1806 | ndop->embopts_len = 0; | |
1807 | ndop->encopts = NULL; | |
1808 | ndop->encopts_len = 0; | |
1809 | } else | |
1810 | free_dhcp_opt_embenc(ndop); | |
76bb4d03 | 1811 | ndop->option = (uint32_t)u; /* could have been 0 */ |
8e7d8c37 | 1812 | ndop->type = t; |
34457fe6 | 1813 | ndop->len = (size_t)l; |
bc22d277 | 1814 | ndop->var = np; |
cc71162d RM |
1815 | if (bp) { |
1816 | dl = strlen(bp); | |
1817 | memcpy(ndop->bitflags, bp, dl); | |
1818 | memset(ndop->bitflags + dl, 0, | |
1819 | sizeof(ndop->bitflags) - dl); | |
1820 | } else | |
1821 | memset(ndop->bitflags, 0, sizeof(ndop->bitflags)); | |
8e7d8c37 | 1822 | /* Save the define for embed and encap options */ |
2be15e88 RM |
1823 | switch (opt) { |
1824 | case O_DEFINE: | |
1825 | case O_DEFINEND: | |
1826 | case O_DEFINE6: | |
1827 | case O_VENDOPT: | |
4eb7b489 | 1828 | *ldop = ndop; |
2be15e88 RM |
1829 | break; |
1830 | case O_ENCAP: | |
4eb7b489 | 1831 | *edop = ndop; |
2be15e88 RM |
1832 | break; |
1833 | } | |
8e7d8c37 | 1834 | break; |
7a911e57 | 1835 | case O_VENDCLASS: |
6bcb242d | 1836 | ARG_REQUIRED; |
7a911e57 RM |
1837 | fp = strwhite(arg); |
1838 | if (fp) | |
1839 | *fp++ = '\0'; | |
f94b4eab RM |
1840 | u = (uint32_t)strtou(arg, NULL, 0, 0, UINT32_MAX, &e); |
1841 | if (e) { | |
94d1ded9 | 1842 | logerrx("invalid code: %s", arg); |
7a911e57 RM |
1843 | return -1; |
1844 | } | |
c42ca6e4 | 1845 | fp = strskipwhite(fp); |
7a911e57 RM |
1846 | if (fp) { |
1847 | s = parse_string(NULL, 0, fp); | |
1848 | if (s == -1) { | |
94d1ded9 | 1849 | logerr(__func__); |
7a911e57 RM |
1850 | return -1; |
1851 | } | |
34457fe6 RM |
1852 | dl = (size_t)s; |
1853 | if (dl + (sizeof(uint16_t) * 2) > UINT16_MAX) { | |
94d1ded9 | 1854 | logerrx("vendor class is too big"); |
7a911e57 RM |
1855 | return -1; |
1856 | } | |
34457fe6 | 1857 | np = malloc(dl); |
7a911e57 | 1858 | if (np == NULL) { |
94d1ded9 | 1859 | logerr(__func__); |
7a911e57 RM |
1860 | return -1; |
1861 | } | |
34457fe6 | 1862 | parse_string(np, dl, fp); |
7a911e57 | 1863 | } else { |
34457fe6 | 1864 | dl = 0; |
7a911e57 RM |
1865 | np = NULL; |
1866 | } | |
62c5b972 RM |
1867 | vivco = reallocarray(ifo->vivco, |
1868 | ifo->vivco_len + 1, sizeof(*ifo->vivco)); | |
7a911e57 | 1869 | if (vivco == NULL) { |
94d1ded9 | 1870 | logerr( __func__); |
8537c349 | 1871 | fre(np); |
7a911e57 RM |
1872 | return -1; |
1873 | } | |
1874 | ifo->vivco = vivco; | |
76bb4d03 | 1875 | ifo->vivco_en = (uint32_t)u; |
7a911e57 | 1876 | vivco = &ifo->vivco[ifo->vivco_len++]; |
34457fe6 | 1877 | vivco->len = dl; |
7a911e57 RM |
1878 | vivco->data = (uint8_t *)np; |
1879 | break; | |
c73ed171 | 1880 | case O_AUTHPROTOCOL: |
6bcb242d | 1881 | ARG_REQUIRED; |
e5fc8ac4 | 1882 | #ifdef AUTH |
c73ed171 RM |
1883 | fp = strwhite(arg); |
1884 | if (fp) | |
1885 | *fp++ = '\0'; | |
1886 | if (strcasecmp(arg, "token") == 0) | |
1887 | ifo->auth.protocol = AUTH_PROTO_TOKEN; | |
1888 | else if (strcasecmp(arg, "delayed") == 0) | |
1889 | ifo->auth.protocol = AUTH_PROTO_DELAYED; | |
1890 | else if (strcasecmp(arg, "delayedrealm") == 0) | |
1891 | ifo->auth.protocol = AUTH_PROTO_DELAYEDREALM; | |
1892 | else { | |
94d1ded9 | 1893 | logerrx("%s: unsupported protocol", arg); |
c73ed171 RM |
1894 | return -1; |
1895 | } | |
1896 | arg = strskipwhite(fp); | |
1897 | fp = strwhite(arg); | |
1898 | if (arg == NULL) { | |
1899 | ifo->auth.options |= DHCPCD_AUTH_SEND; | |
c2603990 RM |
1900 | if (ifo->auth.protocol == AUTH_PROTO_TOKEN) |
1901 | ifo->auth.protocol = AUTH_ALG_NONE; | |
1902 | else | |
1903 | ifo->auth.algorithm = AUTH_ALG_HMAC_MD5; | |
c73ed171 RM |
1904 | ifo->auth.rdm = AUTH_RDM_MONOTONIC; |
1905 | break; | |
1906 | } | |
1907 | if (fp) | |
1908 | *fp++ = '\0'; | |
32945b61 RM |
1909 | if (ifo->auth.protocol == AUTH_PROTO_TOKEN) { |
1910 | np = strchr(arg, '/'); | |
1911 | if (np) { | |
1912 | if (fp == NULL || np < fp) | |
1913 | *np++ = '\0'; | |
1914 | else | |
1915 | np = NULL; | |
1916 | } | |
1917 | if (parse_uint32(&ifo->auth.token_snd_secretid, | |
1918 | arg) == -1) | |
1919 | logerrx("%s: not a number", arg); | |
1920 | else | |
1921 | ifo->auth.token_rcv_secretid = | |
1922 | ifo->auth.token_snd_secretid; | |
1923 | if (np && | |
1924 | parse_uint32(&ifo->auth.token_rcv_secretid, | |
1925 | np) == -1) | |
1926 | logerrx("%s: not a number", arg); | |
1927 | } else { | |
1928 | if (strcasecmp(arg, "hmacmd5") == 0 || | |
1929 | strcasecmp(arg, "hmac-md5") == 0) | |
1930 | ifo->auth.algorithm = AUTH_ALG_HMAC_MD5; | |
1931 | else { | |
1932 | logerrx("%s: unsupported algorithm", arg); | |
1933 | return 1; | |
1934 | } | |
c73ed171 RM |
1935 | } |
1936 | arg = fp; | |
1937 | if (arg == NULL) { | |
1938 | ifo->auth.options |= DHCPCD_AUTH_SEND; | |
1939 | ifo->auth.rdm = AUTH_RDM_MONOTONIC; | |
1940 | break; | |
1941 | } | |
cf0840ef RM |
1942 | if (strcasecmp(arg, "monocounter") == 0) { |
1943 | ifo->auth.rdm = AUTH_RDM_MONOTONIC; | |
1944 | ifo->auth.options |= DHCPCD_AUTH_RDM_COUNTER; | |
1945 | } else if (strcasecmp(arg, "monotonic") ==0 || | |
1946 | strcasecmp(arg, "monotime") == 0) | |
c73ed171 RM |
1947 | ifo->auth.rdm = AUTH_RDM_MONOTONIC; |
1948 | else { | |
94d1ded9 | 1949 | logerrx("%s: unsupported RDM", arg); |
c73ed171 RM |
1950 | return -1; |
1951 | } | |
35fef8ed | 1952 | ifo->auth.options |= DHCPCD_AUTH_SEND; |
c73ed171 | 1953 | break; |
e5fc8ac4 | 1954 | #else |
94d1ded9 | 1955 | logerrx("no authentication support"); |
e5fc8ac4 RM |
1956 | return -1; |
1957 | #endif | |
c73ed171 | 1958 | case O_AUTHTOKEN: |
6bcb242d | 1959 | ARG_REQUIRED; |
e5fc8ac4 | 1960 | #ifdef AUTH |
c73ed171 RM |
1961 | fp = strwhite(arg); |
1962 | if (fp == NULL) { | |
94d1ded9 | 1963 | logerrx("authtoken requires a realm"); |
c73ed171 RM |
1964 | return -1; |
1965 | } | |
1966 | *fp++ = '\0'; | |
1967 | token = malloc(sizeof(*token)); | |
1968 | if (token == NULL) { | |
94d1ded9 | 1969 | logerr(__func__); |
a8c8e686 | 1970 | free(token); |
c73ed171 RM |
1971 | return -1; |
1972 | } | |
1973 | if (parse_uint32(&token->secretid, arg) == -1) { | |
94d1ded9 | 1974 | logerrx("%s: not a number", arg); |
c73ed171 RM |
1975 | free(token); |
1976 | return -1; | |
1977 | } | |
1978 | arg = fp; | |
1979 | fp = strend(arg); | |
1980 | if (fp == NULL) { | |
94d1ded9 | 1981 | logerrx("authtoken requies an a key"); |
c73ed171 RM |
1982 | free(token); |
1983 | return -1; | |
1984 | } | |
1985 | *fp++ = '\0'; | |
34457fe6 RM |
1986 | s = parse_string(NULL, 0, arg); |
1987 | if (s == -1) { | |
94d1ded9 | 1988 | logerr("realm_len"); |
a8c8e686 | 1989 | free(token); |
34457fe6 RM |
1990 | return -1; |
1991 | } | |
1992 | if (s) { | |
1993 | token->realm_len = (size_t)s; | |
c73ed171 RM |
1994 | token->realm = malloc(token->realm_len); |
1995 | if (token->realm == NULL) { | |
94d1ded9 | 1996 | logerr(__func__); |
c73ed171 | 1997 | free(token); |
c73ed171 RM |
1998 | return -1; |
1999 | } | |
2000 | parse_string((char *)token->realm, token->realm_len, | |
2001 | arg); | |
34457fe6 RM |
2002 | } else { |
2003 | token->realm_len = 0; | |
2004 | token->realm = NULL; | |
c73ed171 RM |
2005 | } |
2006 | arg = fp; | |
2007 | fp = strend(arg); | |
2008 | if (fp == NULL) { | |
dd3df223 | 2009 | logerrx("authtoken requies an expiry date"); |
c73ed171 RM |
2010 | free(token->realm); |
2011 | free(token); | |
2012 | return -1; | |
2013 | } | |
2014 | *fp++ = '\0'; | |
2015 | if (*arg == '"') { | |
2016 | arg++; | |
2017 | np = strchr(arg, '"'); | |
2018 | if (np) | |
2019 | *np = '\0'; | |
2020 | } | |
2021 | if (strcmp(arg, "0") == 0 || strcasecmp(arg, "forever") == 0) | |
2022 | token->expire =0; | |
2023 | else { | |
2024 | struct tm tm; | |
2025 | ||
2026 | memset(&tm, 0, sizeof(tm)); | |
2027 | if (strptime(arg, "%Y-%m-%d %H:%M", &tm) == NULL) { | |
94d1ded9 | 2028 | logerrx("%s: invalid date time", arg); |
c73ed171 RM |
2029 | free(token->realm); |
2030 | free(token); | |
2031 | return -1; | |
2032 | } | |
2033 | if ((token->expire = mktime(&tm)) == (time_t)-1) { | |
94d1ded9 | 2034 | logerr("%s: mktime", __func__); |
c73ed171 RM |
2035 | free(token->realm); |
2036 | free(token); | |
2037 | return -1; | |
2038 | } | |
2039 | } | |
2040 | arg = fp; | |
34457fe6 RM |
2041 | s = parse_string(NULL, 0, arg); |
2042 | if (s == -1 || s == 0) { | |
94d1ded9 RM |
2043 | if (s == -1) |
2044 | logerr("token_len"); | |
2045 | else | |
2046 | logerrx("authtoken needs a key"); | |
c73ed171 RM |
2047 | free(token->realm); |
2048 | free(token); | |
2049 | return -1; | |
2050 | } | |
34457fe6 | 2051 | token->key_len = (size_t)s; |
c73ed171 RM |
2052 | token->key = malloc(token->key_len); |
2053 | parse_string((char *)token->key, token->key_len, arg); | |
2054 | TAILQ_INSERT_TAIL(&ifo->auth.tokens, token, next); | |
e5fc8ac4 | 2055 | #else |
94d1ded9 | 2056 | logerrx("no authentication support"); |
e5fc8ac4 RM |
2057 | return -1; |
2058 | #endif | |
c73ed171 RM |
2059 | break; |
2060 | case O_AUTHNOTREQUIRED: | |
2061 | ifo->auth.options &= ~DHCPCD_AUTH_REQUIRE; | |
2062 | break; | |
94bec972 RM |
2063 | case O_DHCP: |
2064 | ifo->options |= DHCPCD_DHCP | DHCPCD_IPV4; | |
2065 | break; | |
d4154ba7 RM |
2066 | case O_NODHCP: |
2067 | ifo->options &= ~DHCPCD_DHCP; | |
2068 | break; | |
94bec972 RM |
2069 | case O_DHCP6: |
2070 | ifo->options |= DHCPCD_DHCP6 | DHCPCD_IPV6; | |
2071 | break; | |
d4154ba7 RM |
2072 | case O_NODHCP6: |
2073 | ifo->options &= ~DHCPCD_DHCP6; | |
2074 | break; | |
a93e79c6 | 2075 | case O_CONTROLGRP: |
6bcb242d | 2076 | ARG_REQUIRED; |
a93e79c6 RM |
2077 | #ifdef _REENTRANT |
2078 | l = sysconf(_SC_GETGR_R_SIZE_MAX); | |
2079 | if (l == -1) | |
2080 | dl = 1024; | |
2081 | else | |
2082 | dl = (size_t)l; | |
2083 | p = malloc(dl); | |
2084 | if (p == NULL) { | |
94d1ded9 | 2085 | logerr(__func__); |
a93e79c6 RM |
2086 | return -1; |
2087 | } | |
2088 | while ((i = getgrnam_r(arg, &grpbuf, p, (size_t)l, &grp)) == | |
2089 | ERANGE) | |
2090 | { | |
2091 | size_t nl = dl * 2; | |
2092 | if (nl < dl) { | |
94d1ded9 | 2093 | logerrx("control_group: out of buffer"); |
a93e79c6 RM |
2094 | free(p); |
2095 | return -1; | |
2096 | } | |
2097 | dl = nl; | |
2098 | np = realloc(p, dl); | |
2099 | if (np == NULL) { | |
94d1ded9 | 2100 | logerr(__func__); |
a93e79c6 RM |
2101 | free(p); |
2102 | return -1; | |
2103 | } | |
2104 | p = np; | |
2105 | } | |
2106 | if (i != 0) { | |
2107 | errno = i; | |
94d1ded9 | 2108 | logerr("getgrnam_r"); |
a93e79c6 RM |
2109 | free(p); |
2110 | return -1; | |
2111 | } | |
2112 | if (grp == NULL) { | |
94d1ded9 | 2113 | logerrx("controlgroup: %s: not found", arg); |
a93e79c6 RM |
2114 | free(p); |
2115 | return -1; | |
2116 | } | |
2117 | ctx->control_group = grp->gr_gid; | |
2118 | free(p); | |
2119 | #else | |
2120 | grp = getgrnam(arg); | |
2121 | if (grp == NULL) { | |
94d1ded9 | 2122 | logerrx("controlgroup: %s: not found", arg); |
a93e79c6 RM |
2123 | return -1; |
2124 | } | |
2125 | ctx->control_group = grp->gr_gid; | |
2126 | #endif | |
2127 | break; | |
feb553d0 RM |
2128 | case O_GATEWAY: |
2129 | ifo->options |= DHCPCD_GATEWAY; | |
2130 | break; | |
2862d340 RM |
2131 | case O_NOUP: |
2132 | ifo->options &= ~DHCPCD_IF_UP; | |
2133 | break; | |
1aeaf0e7 | 2134 | case O_SLAAC: |
6bcb242d | 2135 | ARG_REQUIRED; |
1aeaf0e7 RM |
2136 | if (strcmp(arg, "private") == 0 || |
2137 | strcmp(arg, "stableprivate") == 0 || | |
2138 | strcmp(arg, "stable") == 0) | |
2139 | ifo->options |= DHCPCD_SLAACPRIVATE; | |
2140 | else | |
2141 | ifo->options &= ~DHCPCD_SLAACPRIVATE; | |
3ed12ab8 | 2142 | break; |
8f924434 RM |
2143 | case O_BOOTP: |
2144 | ifo->options |= DHCPCD_BOOTP; | |
2145 | break; | |
f572315d RM |
2146 | case O_NODELAY: |
2147 | ifo->options &= ~DHCPCD_INITIAL_DELAY; | |
2148 | break; | |
b1ad0d39 RM |
2149 | case O_LASTLEASE_EXTEND: |
2150 | ifo->options |= DHCPCD_LASTLEASE | DHCPCD_LASTLEASE_EXTEND; | |
2151 | break; | |
b4a86584 RM |
2152 | case O_INACTIVE: |
2153 | ifo->options |= DHCPCD_INACTIVE; | |
2154 | break; | |
d85ad7d0 | 2155 | case O_MUDURL: |
03274c9c | 2156 | ARG_REQUIRED; |
d85ad7d0 RM |
2157 | s = parse_string((char *)ifo->mudurl + 1, MUDURL_MAX_LEN, arg); |
2158 | if (s == -1) { | |
94d1ded9 | 2159 | logerr("mudurl"); |
d85ad7d0 RM |
2160 | return -1; |
2161 | } | |
2162 | *ifo->mudurl = (uint8_t)s; | |
2163 | break; | |
281818ae RM |
2164 | case O_LINK_RCVBUF: |
2165 | #ifndef SMALL | |
2166 | ARG_REQUIRED; | |
2167 | ctx->link_rcvbuf = (int)strtoi(arg, NULL, 0, 0, INT32_MAX, &e); | |
2168 | if (e) { | |
2169 | logerrx("failed to convert link_rcvbuf %s", arg); | |
2170 | return -1; | |
2171 | } | |
2172 | #endif | |
2173 | break; | |
fd05b7dc RM |
2174 | default: |
2175 | return 0; | |
2176 | } | |
2177 | ||
2178 | return 1; | |
6bcb242d RM |
2179 | |
2180 | #ifdef ARG_REQUIRED | |
2181 | arg_required: | |
94d1ded9 | 2182 | logerrx("option %d requires an argument", opt); |
6bcb242d RM |
2183 | return -1; |
2184 | #undef ARG_REQUIRED | |
2185 | #endif | |
fd05b7dc RM |
2186 | } |
2187 | ||
2188 | static int | |
4eb7b489 RM |
2189 | parse_config_line(struct dhcpcd_ctx *ctx, const char *ifname, |
2190 | struct if_options *ifo, const char *opt, char *line, | |
2191 | struct dhcp_opt **ldop, struct dhcp_opt **edop) | |
fd05b7dc RM |
2192 | { |
2193 | unsigned int i; | |
2194 | ||
2195 | for (i = 0; i < sizeof(cf_options) / sizeof(cf_options[0]); i++) { | |
2196 | if (!cf_options[i].name || | |
2197 | strcmp(cf_options[i].name, opt) != 0) | |
2198 | continue; | |
2199 | ||
2200 | if (cf_options[i].has_arg == required_argument && !line) { | |
94d1ded9 | 2201 | logerrx("option requires an argument -- %s", opt); |
fd05b7dc RM |
2202 | return -1; |
2203 | } | |
2204 | ||
4eb7b489 RM |
2205 | return parse_option(ctx, ifname, ifo, cf_options[i].val, line, |
2206 | ldop, edop); | |
fd05b7dc RM |
2207 | } |
2208 | ||
94d1ded9 | 2209 | logerrx("unknown option: %s", opt); |
fd05b7dc RM |
2210 | return -1; |
2211 | } | |
2212 | ||
741f46c6 | 2213 | static void |
b0272a9d | 2214 | finish_config(struct if_options *ifo) |
741f46c6 RM |
2215 | { |
2216 | ||
2217 | /* Terminate the encapsulated options */ | |
2218 | if (ifo->vendor[0] && !(ifo->options & DHCPCD_VENDORRAW)) { | |
2219 | ifo->vendor[0]++; | |
2220 | ifo->vendor[ifo->vendor[0]] = DHO_END; | |
aeddc61a RM |
2221 | /* We are called twice. |
2222 | * This should be fixed, but in the meantime, this | |
2223 | * guard should suffice */ | |
2224 | ifo->options |= DHCPCD_VENDORRAW; | |
741f46c6 | 2225 | } |
b0272a9d | 2226 | } |
741f46c6 | 2227 | |
c1b54b57 RM |
2228 | /* Handy routine to read very long lines in text files. |
2229 | * This means we read the whole line and avoid any nasty buffer overflows. | |
2230 | * We strip leading space and avoid comment lines, making the code that calls | |
2231 | * us smaller. */ | |
2232 | static char * | |
4eb7b489 RM |
2233 | get_line(char ** __restrict buf, size_t * __restrict buflen, |
2234 | FILE * __restrict fp) | |
c1b54b57 | 2235 | { |
67f84564 | 2236 | char *p, *c; |
c1b54b57 | 2237 | ssize_t bytes; |
67f84564 | 2238 | int quoted; |
c1b54b57 RM |
2239 | |
2240 | do { | |
2241 | bytes = getline(buf, buflen, fp); | |
2242 | if (bytes == -1) | |
2243 | return NULL; | |
2244 | for (p = *buf; *p == ' ' || *p == '\t'; p++) | |
2245 | ; | |
2246 | } while (*p == '\0' || *p == '\n' || *p == '#' || *p == ';'); | |
2247 | if ((*buf)[--bytes] == '\n') | |
2248 | (*buf)[bytes] = '\0'; | |
67f84564 RM |
2249 | |
2250 | /* Strip embedded comments unless in a quoted string or escaped */ | |
2251 | quoted = 0; | |
2252 | for (c = p; *c != '\0'; c++) { | |
2253 | if (*c == '\\') { | |
2254 | c++; /* escaped */ | |
2255 | continue; | |
2256 | } | |
2257 | if (*c == '"') | |
2258 | quoted = !quoted; | |
2259 | else if (*c == '#' && !quoted) { | |
2260 | *c = '\0'; | |
2261 | break; | |
2262 | } | |
2263 | } | |
c1b54b57 RM |
2264 | return p; |
2265 | } | |
2266 | ||
598e6cc7 RM |
2267 | struct if_options * |
2268 | default_config(struct dhcpcd_ctx *ctx) | |
2269 | { | |
2270 | struct if_options *ifo; | |
2271 | ||
2272 | /* Seed our default options */ | |
2273 | if ((ifo = calloc(1, sizeof(*ifo))) == NULL) { | |
94d1ded9 | 2274 | logerr(__func__); |
598e6cc7 RM |
2275 | return NULL; |
2276 | } | |
2277 | ifo->options |= DHCPCD_IF_UP | DHCPCD_LINK | DHCPCD_INITIAL_DELAY; | |
2278 | ifo->timeout = DEFAULT_TIMEOUT; | |
2279 | ifo->reboot = DEFAULT_REBOOT; | |
ab3e580d | 2280 | ifo->script = UNCONST(default_script); |
598e6cc7 RM |
2281 | ifo->metric = -1; |
2282 | ifo->auth.options |= DHCPCD_AUTH_REQUIRE; | |
960abfd2 | 2283 | rb_tree_init(&ifo->routes, &rt_compare_proto_ops); |
e5fc8ac4 | 2284 | #ifdef AUTH |
598e6cc7 | 2285 | TAILQ_INIT(&ifo->auth.tokens); |
e5fc8ac4 | 2286 | #endif |
598e6cc7 RM |
2287 | |
2288 | /* Inherit some global defaults */ | |
2289 | if (ctx->options & DHCPCD_PERSISTENT) | |
2290 | ifo->options |= DHCPCD_PERSISTENT; | |
2291 | if (ctx->options & DHCPCD_SLAACPRIVATE) | |
2292 | ifo->options |= DHCPCD_SLAACPRIVATE; | |
2293 | ||
2294 | return ifo; | |
2295 | } | |
2296 | ||
fd05b7dc | 2297 | struct if_options * |
4eb7b489 | 2298 | read_config(struct dhcpcd_ctx *ctx, |
6f767217 | 2299 | const char *ifname, const char *ssid, const char *profile) |
fd05b7dc RM |
2300 | { |
2301 | struct if_options *ifo; | |
c1b54b57 | 2302 | FILE *fp; |
727d8459 | 2303 | struct stat sb; |
c1b54b57 RM |
2304 | char *line, *buf, *option, *p; |
2305 | size_t buflen; | |
fec195b5 | 2306 | ssize_t vlen; |
417c31a9 | 2307 | int skip, have_profile, new_block, had_block; |
1cd05a96 | 2308 | #ifndef EMBEDDED_CONFIG |
e2e644e9 | 2309 | const char * const *e; |
c1b54b57 | 2310 | size_t ol; |
1cd05a96 | 2311 | #endif |
d9fbb118 | 2312 | #if !defined(INET) || !defined(INET6) |
10cac699 | 2313 | size_t i; |
d9fbb118 RM |
2314 | struct dhcp_opt *opt; |
2315 | #endif | |
4eb7b489 | 2316 | struct dhcp_opt *ldop, *edop; |
fd05b7dc RM |
2317 | |
2318 | /* Seed our default options */ | |
598e6cc7 | 2319 | if ((ifo = default_config(ctx)) == NULL) |
10e17e3f | 2320 | return NULL; |
feb553d0 | 2321 | ifo->options |= DHCPCD_DAEMONISE | DHCPCD_GATEWAY; |
413652c1 RM |
2322 | #ifdef PLUGIN_DEV |
2323 | ifo->options |= DHCPCD_DEV; | |
2324 | #endif | |
aae24feb | 2325 | #ifdef INET |
6456fc27 | 2326 | ifo->options |= DHCPCD_IPV4 | DHCPCD_ARP | DHCPCD_DHCP | DHCPCD_IPV4LL; |
aae24feb RM |
2327 | #endif |
2328 | #ifdef INET6 | |
62f12387 RM |
2329 | ifo->options |= DHCPCD_IPV6 | DHCPCD_IPV6RS; |
2330 | ifo->options |= DHCPCD_IPV6RA_AUTOCONF | DHCPCD_IPV6RA_REQRDNSS; | |
d4154ba7 | 2331 | ifo->options |= DHCPCD_DHCP6; |
aae24feb | 2332 | #endif |
793c4286 | 2333 | |
fec195b5 RM |
2334 | vlen = dhcp_vendor((char *)ifo->vendorclassid + 1, |
2335 | sizeof(ifo->vendorclassid) - 1); | |
d7a4dcf9 | 2336 | ifo->vendorclassid[0] = (uint8_t)(vlen == -1 ? 0 : vlen); |
fd05b7dc | 2337 | |
c1b54b57 RM |
2338 | buf = NULL; |
2339 | buflen = 0; | |
2340 | ||
960abfd2 RM |
2341 | /* Reset route order */ |
2342 | ctx->rt_order = 0; | |
2343 | ||
8e7d8c37 | 2344 | /* Parse our embedded options file */ |
c1642d52 | 2345 | if (ifname == NULL && !(ctx->options & DHCPCD_PRINT_PIDFILE)) { |
1cd05a96 RM |
2346 | /* Space for initial estimates */ |
2347 | #if defined(INET) && defined(INITDEFINES) | |
2348 | ifo->dhcp_override = | |
2349 | calloc(INITDEFINES, sizeof(*ifo->dhcp_override)); | |
2350 | if (ifo->dhcp_override == NULL) | |
94d1ded9 | 2351 | logerr(__func__); |
1cd05a96 RM |
2352 | else |
2353 | ifo->dhcp_override_len = INITDEFINES; | |
2354 | #endif | |
2355 | ||
2be15e88 RM |
2356 | #if defined(INET6) && defined(INITDEFINENDS) |
2357 | ifo->nd_override = | |
2358 | calloc(INITDEFINENDS, sizeof(*ifo->nd_override)); | |
2359 | if (ifo->nd_override == NULL) | |
94d1ded9 | 2360 | logerr(__func__); |
2be15e88 RM |
2361 | else |
2362 | ifo->nd_override_len = INITDEFINENDS; | |
2363 | #endif | |
1cd05a96 RM |
2364 | #if defined(INET6) && defined(INITDEFINE6S) |
2365 | ifo->dhcp6_override = | |
2366 | calloc(INITDEFINE6S, sizeof(*ifo->dhcp6_override)); | |
2367 | if (ifo->dhcp6_override == NULL) | |
94d1ded9 | 2368 | logerr(__func__); |
1cd05a96 | 2369 | else |
d9fbb118 | 2370 | ifo->dhcp6_override_len = INITDEFINE6S; |
1cd05a96 RM |
2371 | #endif |
2372 | ||
2373 | /* Now load our embedded config */ | |
2374 | #ifdef EMBEDDED_CONFIG | |
c1b54b57 RM |
2375 | fp = fopen(EMBEDDED_CONFIG, "r"); |
2376 | if (fp == NULL) | |
94d1ded9 | 2377 | logerr("%s: fopen `%s'", __func__, EMBEDDED_CONFIG); |
1cd05a96 | 2378 | |
c1b54b57 | 2379 | while (fp && (line = get_line(&buf, &buflen, fp))) { |
1cd05a96 | 2380 | #else |
a319fa53 RM |
2381 | buflen = 80; |
2382 | buf = malloc(buflen); | |
2383 | if (buf == NULL) { | |
94d1ded9 | 2384 | logerr(__func__); |
30425c9b | 2385 | free_options(ctx, ifo); |
1cd05a96 RM |
2386 | return NULL; |
2387 | } | |
4eb7b489 | 2388 | ldop = edop = NULL; |
1cd05a96 RM |
2389 | for (e = dhcpcd_embedded_conf; *e; e++) { |
2390 | ol = strlen(*e) + 1; | |
a319fa53 | 2391 | if (ol > buflen) { |
e4cba32e RM |
2392 | char *nbuf; |
2393 | ||
a319fa53 | 2394 | buflen = ol; |
e4cba32e RM |
2395 | nbuf = realloc(buf, buflen); |
2396 | if (nbuf == NULL) { | |
94d1ded9 | 2397 | logerr(__func__); |
967db595 | 2398 | free(buf); |
30425c9b | 2399 | free_options(ctx, ifo); |
1cd05a96 RM |
2400 | return NULL; |
2401 | } | |
e4cba32e | 2402 | buf = nbuf; |
1cd05a96 | 2403 | } |
a319fa53 RM |
2404 | memcpy(buf, *e, ol); |
2405 | line = buf; | |
1cd05a96 | 2406 | #endif |
8e7d8c37 | 2407 | option = strsep(&line, " \t"); |
ab371aa6 RM |
2408 | if (line) |
2409 | line = strskipwhite(line); | |
8e7d8c37 | 2410 | /* Trim trailing whitespace */ |
79f1f126 | 2411 | if (line) { |
8e7d8c37 RM |
2412 | p = line + strlen(line) - 1; |
2413 | while (p != line && | |
2414 | (*p == ' ' || *p == '\t') && | |
2415 | *(p - 1) != '\\') | |
2416 | *p-- = '\0'; | |
2417 | } | |
4eb7b489 RM |
2418 | parse_config_line(ctx, NULL, ifo, option, line, |
2419 | &ldop, &edop); | |
1cd05a96 | 2420 | |
8e7d8c37 | 2421 | } |
1cd05a96 RM |
2422 | |
2423 | #ifdef EMBEDDED_CONFIG | |
c1b54b57 RM |
2424 | if (fp) |
2425 | fclose(fp); | |
1cd05a96 RM |
2426 | #endif |
2427 | #ifdef INET | |
4eb7b489 RM |
2428 | ctx->dhcp_opts = ifo->dhcp_override; |
2429 | ctx->dhcp_opts_len = ifo->dhcp_override_len; | |
1cd05a96 | 2430 | #else |
d9fbb118 RM |
2431 | for (i = 0, opt = ifo->dhcp_override; |
2432 | i < ifo->dhcp_override_len; | |
2433 | i++, opt++) | |
2434 | free_dhcp_opt_embenc(opt); | |
1cd05a96 RM |
2435 | free(ifo->dhcp_override); |
2436 | #endif | |
2437 | ifo->dhcp_override = NULL; | |
2438 | ifo->dhcp_override_len = 0; | |
2439 | ||
2440 | #ifdef INET6 | |
2be15e88 RM |
2441 | ctx->nd_opts = ifo->nd_override; |
2442 | ctx->nd_opts_len = ifo->nd_override_len; | |
a1b1f0a8 | 2443 | #ifdef DHCP6 |
4eb7b489 RM |
2444 | ctx->dhcp6_opts = ifo->dhcp6_override; |
2445 | ctx->dhcp6_opts_len = ifo->dhcp6_override_len; | |
a1b1f0a8 | 2446 | #endif |
1cd05a96 | 2447 | #else |
2be15e88 RM |
2448 | for (i = 0, opt = ifo->nd_override; |
2449 | i < ifo->nd_override_len; | |
2450 | i++, opt++) | |
2451 | free_dhcp_opt_embenc(opt); | |
2452 | free(ifo->nd_override); | |
d9fbb118 | 2453 | for (i = 0, opt = ifo->dhcp6_override; |
10cac699 | 2454 | i < ifo->dhcp6_override_len; |
d9fbb118 RM |
2455 | i++, opt++) |
2456 | free_dhcp_opt_embenc(opt); | |
1cd05a96 RM |
2457 | free(ifo->dhcp6_override); |
2458 | #endif | |
2be15e88 RM |
2459 | ifo->nd_override = NULL; |
2460 | ifo->nd_override_len = 0; | |
1cd05a96 RM |
2461 | ifo->dhcp6_override = NULL; |
2462 | ifo->dhcp6_override_len = 0; | |
7a911e57 | 2463 | |
4eb7b489 RM |
2464 | ctx->vivso = ifo->vivso_override; |
2465 | ctx->vivso_len = ifo->vivso_override_len; | |
7a911e57 RM |
2466 | ifo->vivso_override = NULL; |
2467 | ifo->vivso_override_len = 0; | |
8e7d8c37 RM |
2468 | } |
2469 | ||
fd05b7dc | 2470 | /* Parse our options file */ |
4eb7b489 | 2471 | fp = fopen(ctx->cffile, "r"); |
c1b54b57 | 2472 | if (fp == NULL) { |
62cb6de8 RM |
2473 | /* dhcpcd can continue without it, but no DNS options |
2474 | * would be requested ... */ | |
94d1ded9 | 2475 | logwarn("%s: fopen `%s'", __func__, ctx->cffile); |
c1b54b57 | 2476 | free(buf); |
fd05b7dc | 2477 | return ifo; |
5e2062a4 | 2478 | } |
727d8459 RM |
2479 | if (stat(ctx->cffile, &sb) == 0) |
2480 | ifo->mtime = sb.st_mtime; | |
fd05b7dc | 2481 | |
4eb7b489 | 2482 | ldop = edop = NULL; |
417c31a9 | 2483 | skip = have_profile = new_block = 0; |
d42067b8 | 2484 | had_block = ifname == NULL ? 1 : 0; |
c1b54b57 | 2485 | while ((line = get_line(&buf, &buflen, fp))) { |
e1caa8db | 2486 | option = strsep(&line, " \t"); |
ab371aa6 RM |
2487 | if (line) |
2488 | line = strskipwhite(line); | |
fd05b7dc | 2489 | /* Trim trailing whitespace */ |
79f1f126 | 2490 | if (line) { |
fd05b7dc RM |
2491 | p = line + strlen(line) - 1; |
2492 | while (p != line && | |
eab2229c RM |
2493 | (*p == ' ' || *p == '\t') && |
2494 | *(p - 1) != '\\') | |
fd05b7dc RM |
2495 | *p-- = '\0'; |
2496 | } | |
d42067b8 | 2497 | if (skip == 0 && new_block) { |
edb0ed37 RM |
2498 | had_block = 1; |
2499 | new_block = 0; | |
2500 | ifo->options &= ~DHCPCD_WAITOPTS; | |
2501 | } | |
fd05b7dc RM |
2502 | /* Start of an interface block, skip if not ours */ |
2503 | if (strcmp(option, "interface") == 0) { | |
4d91c2e7 RM |
2504 | char **n; |
2505 | ||
edb0ed37 | 2506 | new_block = 1; |
79f1f126 RM |
2507 | if (line == NULL) { |
2508 | /* No interface given */ | |
2509 | skip = 1; | |
2510 | continue; | |
2511 | } | |
2512 | if (ifname && strcmp(line, ifname) == 0) | |
fd05b7dc RM |
2513 | skip = 0; |
2514 | else | |
2515 | skip = 1; | |
4d91c2e7 RM |
2516 | if (ifname) |
2517 | continue; | |
2518 | ||
79f1f126 RM |
2519 | n = reallocarray(ctx->ifcv, |
2520 | (size_t)ctx->ifcc + 1, sizeof(char *)); | |
4d91c2e7 | 2521 | if (n == NULL) { |
94d1ded9 | 2522 | logerr(__func__); |
4d91c2e7 RM |
2523 | continue; |
2524 | } | |
2525 | ctx->ifcv = n; | |
2526 | ctx->ifcv[ctx->ifcc] = strdup(line); | |
2527 | if (ctx->ifcv[ctx->ifcc] == NULL) { | |
94d1ded9 | 2528 | logerr(__func__); |
4d91c2e7 RM |
2529 | continue; |
2530 | } | |
2531 | ctx->ifcc++; | |
fd05b7dc | 2532 | continue; |
c53cf4ef RM |
2533 | } |
2534 | /* Start of an ssid block, skip if not ours */ | |
2535 | if (strcmp(option, "ssid") == 0) { | |
edb0ed37 | 2536 | new_block = 1; |
c53cf4ef RM |
2537 | if (ssid && line && strcmp(line, ssid) == 0) |
2538 | skip = 0; | |
2539 | else | |
2540 | skip = 1; | |
2541 | continue; | |
fd05b7dc | 2542 | } |
6f767217 RM |
2543 | /* Start of a profile block, skip if not ours */ |
2544 | if (strcmp(option, "profile") == 0) { | |
edb0ed37 | 2545 | new_block = 1; |
6f767217 RM |
2546 | if (profile && line && strcmp(line, profile) == 0) { |
2547 | skip = 0; | |
2548 | have_profile = 1; | |
2549 | } else | |
2550 | skip = 1; | |
2551 | continue; | |
2552 | } | |
ba7a34fb RM |
2553 | /* Skip arping if we have selected a profile but not parsing |
2554 | * one. */ | |
2555 | if (profile && !have_profile && strcmp(option, "arping") == 0) | |
2556 | continue; | |
fd05b7dc RM |
2557 | if (skip) |
2558 | continue; | |
4eb7b489 | 2559 | parse_config_line(ctx, ifname, ifo, option, line, &ldop, &edop); |
fd05b7dc | 2560 | } |
c1b54b57 RM |
2561 | fclose(fp); |
2562 | free(buf); | |
fd05b7dc | 2563 | |
6f767217 | 2564 | if (profile && !have_profile) { |
30425c9b | 2565 | free_options(ctx, ifo); |
6f767217 | 2566 | errno = ENOENT; |
658bfd5e | 2567 | return NULL; |
6f767217 RM |
2568 | } |
2569 | ||
edb0ed37 RM |
2570 | if (!had_block) |
2571 | ifo->options &= ~DHCPCD_WAITOPTS; | |
b0272a9d | 2572 | finish_config(ifo); |
fd05b7dc RM |
2573 | return ifo; |
2574 | } | |
2575 | ||
2576 | int | |
4eb7b489 RM |
2577 | add_options(struct dhcpcd_ctx *ctx, const char *ifname, |
2578 | struct if_options *ifo, int argc, char **argv) | |
fd05b7dc | 2579 | { |
29c0fd6f | 2580 | int oi, opt, r; |
edb0ed37 | 2581 | unsigned long long wait_opts; |
29c0fd6f RM |
2582 | |
2583 | if (argc == 0) | |
2584 | return 1; | |
fd05b7dc RM |
2585 | |
2586 | optind = 0; | |
29c0fd6f | 2587 | r = 1; |
edb0ed37 RM |
2588 | /* Don't apply the command line wait options to each interface, |
2589 | * only use the dhcpcd.conf entry for that. */ | |
2590 | if (ifname != NULL) | |
2591 | wait_opts = ifo->options & DHCPCD_WAITOPTS; | |
c31b1719 RM |
2592 | while ((opt = getopt_long(argc, argv, |
2593 | ctx->options & DHCPCD_PRINT_PIDFILE ? NOERR_IF_OPTS : IF_OPTS, | |
2594 | cf_options, &oi)) != -1) | |
fd05b7dc | 2595 | { |
4eb7b489 | 2596 | r = parse_option(ctx, ifname, ifo, opt, optarg, NULL, NULL); |
fd05b7dc RM |
2597 | if (r != 1) |
2598 | break; | |
2599 | } | |
edb0ed37 RM |
2600 | if (ifname != NULL) { |
2601 | ifo->options &= ~DHCPCD_WAITOPTS; | |
2602 | ifo->options |= wait_opts; | |
2603 | } | |
741f46c6 | 2604 | |
b0272a9d | 2605 | finish_config(ifo); |
fd05b7dc RM |
2606 | return r; |
2607 | } | |
2608 | ||
2609 | void | |
30425c9b | 2610 | free_options(struct dhcpcd_ctx *ctx, struct if_options *ifo) |
fd05b7dc RM |
2611 | { |
2612 | size_t i; | |
d9fbb118 | 2613 | struct dhcp_opt *opt; |
900b6f94 | 2614 | struct vivco *vo; |
e5fc8ac4 | 2615 | #ifdef AUTH |
c73ed171 | 2616 | struct token *token; |
e5fc8ac4 | 2617 | #endif |
fd05b7dc | 2618 | |
f43e5853 RM |
2619 | if (ifo) { |
2620 | if (ifo->environ) { | |
2621 | i = 0; | |
2622 | while (ifo->environ[i]) | |
2623 | free(ifo->environ[i++]); | |
2624 | free(ifo->environ); | |
2625 | } | |
91a44b91 RM |
2626 | if (ifo->config) { |
2627 | i = 0; | |
2628 | while (ifo->config[i]) | |
2629 | free(ifo->config[i++]); | |
2630 | free(ifo->config); | |
2631 | } | |
30425c9b | 2632 | rt_headclear0(ctx, &ifo->routes, AF_UNSPEC); |
ab3e580d RM |
2633 | if (ifo->script != default_script) |
2634 | free(ifo->script); | |
ff021b0b | 2635 | free(ifo->arping); |
f43e5853 | 2636 | free(ifo->blacklist); |
ff021b0b | 2637 | free(ifo->fallback); |
8e7d8c37 | 2638 | |
59a555cd RM |
2639 | for (opt = ifo->dhcp_override; |
2640 | ifo->dhcp_override_len > 0; | |
2641 | opt++, ifo->dhcp_override_len--) | |
d9fbb118 | 2642 | free_dhcp_opt_embenc(opt); |
8e7d8c37 | 2643 | free(ifo->dhcp_override); |
2be15e88 RM |
2644 | for (opt = ifo->nd_override; |
2645 | ifo->nd_override_len > 0; | |
2646 | opt++, ifo->nd_override_len--) | |
2647 | free_dhcp_opt_embenc(opt); | |
2648 | free(ifo->nd_override); | |
59a555cd RM |
2649 | for (opt = ifo->dhcp6_override; |
2650 | ifo->dhcp6_override_len > 0; | |
2651 | opt++, ifo->dhcp6_override_len--) | |
7a911e57 RM |
2652 | free_dhcp_opt_embenc(opt); |
2653 | free(ifo->dhcp6_override); | |
59a555cd RM |
2654 | for (vo = ifo->vivco; |
2655 | ifo->vivco_len > 0; | |
2656 | vo++, ifo->vivco_len--) | |
900b6f94 RM |
2657 | free(vo->data); |
2658 | free(ifo->vivco); | |
59a555cd RM |
2659 | for (opt = ifo->vivso_override; |
2660 | ifo->vivso_override_len > 0; | |
2661 | opt++, ifo->vivso_override_len--) | |
7a911e57 | 2662 | free_dhcp_opt_embenc(opt); |
900b6f94 | 2663 | free(ifo->vivso_override); |
8e7d8c37 | 2664 | |
c25b444e | 2665 | #if defined(INET6) && !defined(SMALL) |
59a555cd RM |
2666 | for (; ifo->ia_len > 0; ifo->ia_len--) |
2667 | free(ifo->ia[ifo->ia_len - 1].sla); | |
00ababe4 | 2668 | #endif |
ebc9d360 RM |
2669 | free(ifo->ia); |
2670 | ||
e5fc8ac4 | 2671 | #ifdef AUTH |
c73ed171 RM |
2672 | while ((token = TAILQ_FIRST(&ifo->auth.tokens))) { |
2673 | TAILQ_REMOVE(&ifo->auth.tokens, token, next); | |
2674 | if (token->realm_len) | |
2675 | free(token->realm); | |
2676 | free(token->key); | |
2677 | free(token); | |
2678 | } | |
e5fc8ac4 | 2679 | #endif |
f43e5853 | 2680 | free(ifo); |
fd05b7dc | 2681 | } |
fd05b7dc | 2682 | } |