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8cc47ba2 | 1 | /* |
fd05b7dc | 2 | * dhcpcd - DHCP client daemon |
f9584c95 | 3 | * Copyright (c) 2006-2015 Roy Marples <roy@marples.name> |
fd05b7dc RM |
4 | * All rights reserved |
5 | ||
6 | * Redistribution and use in source and binary forms, with or without | |
7 | * modification, are permitted provided that the following conditions | |
8 | * are met: | |
9 | * 1. Redistributions of source code must retain the above copyright | |
10 | * notice, this list of conditions and the following disclaimer. | |
11 | * 2. Redistributions in binary form must reproduce the above copyright | |
12 | * notice, this list of conditions and the following disclaimer in the | |
13 | * documentation and/or other materials provided with the distribution. | |
14 | * | |
15 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND | |
16 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
17 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
18 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
19 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
20 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
21 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
22 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
23 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
24 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
25 | * SUCH DAMAGE. | |
26 | */ | |
27 | ||
0d033d17 RM |
28 | #define _WITH_GETLINE /* Stop FreeBSD bitching */ |
29 | ||
0d0c5f66 | 30 | #include <sys/param.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> |
0d0c5f66 | 39 | #include <limits.h> |
fd05b7dc RM |
40 | #include <paths.h> |
41 | #include <stdio.h> | |
42 | #include <stdlib.h> | |
43 | #include <string.h> | |
765fbf7d | 44 | #include <syslog.h> |
fd05b7dc RM |
45 | #include <unistd.h> |
46 | #include <time.h> | |
47 | ||
fd05b7dc | 48 | #include "config.h" |
9f7780b0 | 49 | #include "common.h" |
d7555c12 RM |
50 | #include "dhcp.h" |
51 | #include "dhcp6.h" | |
1cd05a96 | 52 | #include "dhcpcd-embedded.h" |
fd05b7dc | 53 | #include "if-options.h" |
e88c525f | 54 | #include "ipv4.h" |
fd05b7dc | 55 | |
4ca7460f RM |
56 | /* These options only make sense in the config file, so don't use any |
57 | valid short options for them */ | |
eebe9a18 RM |
58 | #define O_BASE MAX('z', 'Z') + 1 |
59 | #define O_ARPING O_BASE + 1 | |
60 | #define O_FALLBACK O_BASE + 2 | |
61 | #define O_DESTINATION O_BASE + 3 | |
62 | #define O_IPV6RS O_BASE + 4 | |
00ababe4 RM |
63 | #define O_NOIPV6RS O_BASE + 5 |
64 | #define O_IPV6RA_FORK O_BASE + 6 | |
eebe9a18 RM |
65 | #define O_IPV6RA_OWN O_BASE + 7 |
66 | #define O_IPV6RA_OWN_D O_BASE + 8 | |
7dab081f | 67 | #define O_NOALIAS O_BASE + 9 |
00ababe4 RM |
68 | #define O_IA_NA O_BASE + 10 |
69 | #define O_IA_TA O_BASE + 11 | |
70 | #define O_IA_PD O_BASE + 12 | |
d6a18654 | 71 | #define O_HOSTNAME_SHORT O_BASE + 13 |
413652c1 RM |
72 | #define O_DEV O_BASE + 14 |
73 | #define O_NODEV O_BASE + 15 | |
bb8051bf RM |
74 | #define O_NOIPV4 O_BASE + 16 |
75 | #define O_NOIPV6 O_BASE + 17 | |
ebc9d360 | 76 | #define O_IAID O_BASE + 18 |
8e7d8c37 RM |
77 | #define O_DEFINE O_BASE + 19 |
78 | #define O_DEFINE6 O_BASE + 20 | |
79 | #define O_EMBED O_BASE + 21 | |
80 | #define O_ENCAP O_BASE + 22 | |
7a911e57 RM |
81 | #define O_VENDOPT O_BASE + 23 |
82 | #define O_VENDCLASS O_BASE + 24 | |
c73ed171 RM |
83 | #define O_AUTHPROTOCOL O_BASE + 25 |
84 | #define O_AUTHTOKEN O_BASE + 26 | |
85 | #define O_AUTHNOTREQUIRED O_BASE + 27 | |
d4154ba7 RM |
86 | #define O_NODHCP O_BASE + 28 |
87 | #define O_NODHCP6 O_BASE + 29 | |
94bec972 RM |
88 | #define O_DHCP O_BASE + 30 |
89 | #define O_DHCP6 O_BASE + 31 | |
90 | #define O_IPV4 O_BASE + 32 | |
91 | #define O_IPV6 O_BASE + 33 | |
a93e79c6 | 92 | #define O_CONTROLGRP O_BASE + 34 |
1aeaf0e7 | 93 | #define O_SLAAC O_BASE + 35 |
ee56a47d | 94 | #define O_GATEWAY O_BASE + 36 |
9d5cb9f9 | 95 | #define O_PFXDLGMIX O_BASE + 37 |
62f12387 RM |
96 | #define O_IPV6RA_AUTOCONF O_BASE + 38 |
97 | #define O_IPV6RA_NOAUTOCONF O_BASE + 39 | |
413652c1 | 98 | |
fd05b7dc | 99 | const struct option cf_options[] = { |
ba97e494 RM |
100 | {"background", no_argument, NULL, 'b'}, |
101 | {"script", required_argument, NULL, 'c'}, | |
102 | {"debug", no_argument, NULL, 'd'}, | |
6bfd88f1 | 103 | {"env", required_argument, NULL, 'e'}, |
ba97e494 | 104 | {"config", required_argument, NULL, 'f'}, |
6bfd88f1 | 105 | {"reconfigure", no_argument, NULL, 'g'}, |
ba97e494 RM |
106 | {"hostname", optional_argument, NULL, 'h'}, |
107 | {"vendorclassid", optional_argument, NULL, 'i'}, | |
108 | {"release", no_argument, NULL, 'k'}, | |
109 | {"leasetime", required_argument, NULL, 'l'}, | |
110 | {"metric", required_argument, NULL, 'm'}, | |
111 | {"rebind", no_argument, NULL, 'n'}, | |
112 | {"option", required_argument, NULL, 'o'}, | |
113 | {"persistent", no_argument, NULL, 'p'}, | |
114 | {"quiet", no_argument, NULL, 'q'}, | |
115 | {"request", optional_argument, NULL, 'r'}, | |
116 | {"inform", optional_argument, NULL, 's'}, | |
117 | {"timeout", required_argument, NULL, 't'}, | |
118 | {"userclass", required_argument, NULL, 'u'}, | |
119 | {"vendor", required_argument, NULL, 'v'}, | |
7013b073 | 120 | {"waitip", optional_argument, NULL, 'w'}, |
ba97e494 | 121 | {"exit", no_argument, NULL, 'x'}, |
d3088c74 | 122 | {"allowinterfaces", required_argument, NULL, 'z'}, |
a2a9a498 | 123 | {"reboot", required_argument, NULL, 'y'}, |
ba97e494 RM |
124 | {"noarp", no_argument, NULL, 'A'}, |
125 | {"nobackground", no_argument, NULL, 'B'}, | |
126 | {"nohook", required_argument, NULL, 'C'}, | |
127 | {"duid", no_argument, NULL, 'D'}, | |
128 | {"lastlease", no_argument, NULL, 'E'}, | |
129 | {"fqdn", optional_argument, NULL, 'F'}, | |
130 | {"nogateway", no_argument, NULL, 'G'}, | |
00ababe4 | 131 | {"xidhwaddr", no_argument, NULL, 'H'}, |
ba97e494 | 132 | {"clientid", optional_argument, NULL, 'I'}, |
900b3da4 | 133 | {"broadcast", no_argument, NULL, 'J'}, |
ba97e494 RM |
134 | {"nolink", no_argument, NULL, 'K'}, |
135 | {"noipv4ll", no_argument, NULL, 'L'}, | |
b3174181 | 136 | {"master", no_argument, NULL, 'M'}, |
ba97e494 RM |
137 | {"nooption", optional_argument, NULL, 'O'}, |
138 | {"require", required_argument, NULL, 'Q'}, | |
91a44b91 | 139 | {"static", required_argument, NULL, 'S'}, |
ba97e494 | 140 | {"test", no_argument, NULL, 'T'}, |
dc60cba4 | 141 | {"dumplease", no_argument, NULL, 'U'}, |
ba97e494 | 142 | {"variables", no_argument, NULL, 'V'}, |
bf80d526 | 143 | {"whitelist", required_argument, NULL, 'W'}, |
ba97e494 | 144 | {"blacklist", required_argument, NULL, 'X'}, |
d3088c74 | 145 | {"denyinterfaces", required_argument, NULL, 'Z'}, |
4ca7460f | 146 | {"arping", required_argument, NULL, O_ARPING}, |
41c60e02 | 147 | {"destination", required_argument, NULL, O_DESTINATION}, |
ff021b0b | 148 | {"fallback", required_argument, NULL, O_FALLBACK}, |
eebe9a18 | 149 | {"ipv6rs", no_argument, NULL, O_IPV6RS}, |
91cd7324 | 150 | {"noipv6rs", no_argument, NULL, O_NOIPV6RS}, |
62f12387 RM |
151 | {"ipv6ra_autoconf", no_argument, NULL, O_IPV6RA_AUTOCONF}, |
152 | {"ipv6ra_noautoconf", no_argument, NULL, O_IPV6RA_NOAUTOCONF}, | |
eebe9a18 RM |
153 | {"ipv6ra_fork", no_argument, NULL, O_IPV6RA_FORK}, |
154 | {"ipv6ra_own", no_argument, NULL, O_IPV6RA_OWN}, | |
155 | {"ipv6ra_own_default", no_argument, NULL, O_IPV6RA_OWN_D}, | |
d7555c12 RM |
156 | {"ipv4only", no_argument, NULL, '4'}, |
157 | {"ipv6only", no_argument, NULL, '6'}, | |
94bec972 | 158 | {"ipv4", no_argument, NULL, O_IPV4}, |
bb8051bf | 159 | {"noipv4", no_argument, NULL, O_NOIPV4}, |
94bec972 | 160 | {"ipv6", no_argument, NULL, O_IPV6}, |
bb8051bf | 161 | {"noipv6", no_argument, NULL, O_NOIPV6}, |
7dab081f | 162 | {"noalias", no_argument, NULL, O_NOALIAS}, |
7a911e57 | 163 | {"iaid", required_argument, NULL, O_IAID}, |
00ababe4 RM |
164 | {"ia_na", no_argument, NULL, O_IA_NA}, |
165 | {"ia_ta", no_argument, NULL, O_IA_TA}, | |
166 | {"ia_pd", no_argument, NULL, O_IA_PD}, | |
d6a18654 | 167 | {"hostname_short", no_argument, NULL, O_HOSTNAME_SHORT}, |
413652c1 RM |
168 | {"dev", required_argument, NULL, O_DEV}, |
169 | {"nodev", no_argument, NULL, O_NODEV}, | |
7a911e57 RM |
170 | {"define", required_argument, NULL, O_DEFINE}, |
171 | {"define6", required_argument, NULL, O_DEFINE6}, | |
172 | {"embed", required_argument, NULL, O_EMBED}, | |
173 | {"encap", required_argument, NULL, O_ENCAP}, | |
174 | {"vendopt", required_argument, NULL, O_VENDOPT}, | |
175 | {"vendclass", required_argument, NULL, O_VENDCLASS}, | |
c73ed171 RM |
176 | {"authprotocol", required_argument, NULL, O_AUTHPROTOCOL}, |
177 | {"authtoken", required_argument, NULL, O_AUTHTOKEN}, | |
178 | {"noauthrequired", no_argument, NULL, O_AUTHNOTREQUIRED}, | |
94bec972 | 179 | {"dhcp", no_argument, NULL, O_DHCP}, |
d4154ba7 | 180 | {"nodhcp", no_argument, NULL, O_NODHCP}, |
94bec972 | 181 | {"dhcp6", no_argument, NULL, O_DHCP6}, |
d4154ba7 | 182 | {"nodhcp6", no_argument, NULL, O_NODHCP6}, |
a93e79c6 | 183 | {"controlgroup", required_argument, NULL, O_CONTROLGRP}, |
1aeaf0e7 | 184 | {"slaac", required_argument, NULL, O_SLAAC}, |
3d3e410f | 185 | {"gateway", no_argument, NULL, O_GATEWAY}, |
9d5cb9f9 | 186 | {"ia_pd_mix", no_argument, NULL, O_PFXDLGMIX}, |
ba97e494 | 187 | {NULL, 0, NULL, '\0'} |
fd05b7dc RM |
188 | }; |
189 | ||
190 | static int | |
191 | atoint(const char *s) | |
192 | { | |
193 | char *t; | |
194 | long n; | |
195 | ||
196 | errno = 0; | |
197 | n = strtol(s, &t, 0); | |
198 | if ((errno != 0 && n == 0) || s == t || | |
199 | (errno == ERANGE && (n == LONG_MAX || n == LONG_MIN))) | |
200 | { | |
367f7b11 RM |
201 | if (errno == 0) |
202 | errno = EINVAL; | |
765fbf7d | 203 | syslog(LOG_ERR, "`%s' out of range", s); |
fd05b7dc RM |
204 | return -1; |
205 | } | |
206 | ||
207 | return (int)n; | |
208 | } | |
209 | ||
00ababe4 | 210 | static char * |
fd05b7dc RM |
211 | add_environ(struct if_options *ifo, const char *value, int uniq) |
212 | { | |
213 | char **newlist; | |
214 | char **lst = ifo->environ; | |
215 | size_t i = 0, l, lv; | |
fa245a4d | 216 | char *match = NULL, *p, *n; |
fd05b7dc | 217 | |
78369646 RM |
218 | match = strdup(value); |
219 | if (match == NULL) { | |
220 | syslog(LOG_ERR, "%s: %m", __func__); | |
221 | return NULL; | |
222 | } | |
fd05b7dc | 223 | p = strchr(match, '='); |
d7cfde68 RM |
224 | if (p == NULL) { |
225 | syslog(LOG_ERR, "%s: no assignment: %s", __func__, value); | |
226 | free(match); | |
227 | return NULL; | |
228 | } | |
229 | *p++ = '\0'; | |
fd05b7dc RM |
230 | l = strlen(match); |
231 | ||
232 | while (lst && lst[i]) { | |
233 | if (match && strncmp(lst[i], match, l) == 0) { | |
234 | if (uniq) { | |
78369646 RM |
235 | n = strdup(value); |
236 | if (n == NULL) { | |
237 | syslog(LOG_ERR, "%s: %m", __func__); | |
8fc52ced | 238 | free(match); |
78369646 RM |
239 | return NULL; |
240 | } | |
fd05b7dc | 241 | free(lst[i]); |
78369646 | 242 | lst[i] = n; |
fd05b7dc RM |
243 | } else { |
244 | /* Append a space and the value to it */ | |
245 | l = strlen(lst[i]); | |
d7cfde68 | 246 | lv = strlen(p); |
fa245a4d RM |
247 | n = realloc(lst[i], l + lv + 2); |
248 | if (n == NULL) { | |
249 | syslog(LOG_ERR, "%s: %m", __func__); | |
8fc52ced | 250 | free(match); |
fa245a4d RM |
251 | return NULL; |
252 | } | |
253 | lst[i] = n; | |
fd05b7dc RM |
254 | lst[i][l] = ' '; |
255 | memcpy(lst[i] + l + 1, p, lv); | |
256 | lst[i][l + lv + 1] = '\0'; | |
257 | } | |
258 | free(match); | |
259 | return lst[i]; | |
260 | } | |
261 | i++; | |
262 | } | |
263 | ||
8fc52ced | 264 | free(match); |
78369646 RM |
265 | n = strdup(value); |
266 | if (n == NULL) { | |
267 | syslog(LOG_ERR, "%s: %m", __func__); | |
268 | return NULL; | |
269 | } | |
fa245a4d RM |
270 | newlist = realloc(lst, sizeof(char *) * (i + 2)); |
271 | if (newlist == NULL) { | |
272 | syslog(LOG_ERR, "%s: %m", __func__); | |
8fc52ced | 273 | free(n); |
fa245a4d RM |
274 | return NULL; |
275 | } | |
78369646 | 276 | newlist[i] = n; |
fd05b7dc RM |
277 | newlist[i + 1] = NULL; |
278 | ifo->environ = newlist; | |
fd05b7dc RM |
279 | return newlist[i]; |
280 | } | |
281 | ||
282 | #define parse_string(buf, len, arg) parse_string_hwaddr(buf, len, arg, 0) | |
283 | static ssize_t | |
34457fe6 | 284 | parse_string_hwaddr(char *sbuf, size_t slen, const char *str, int clid) |
fd05b7dc | 285 | { |
34457fe6 | 286 | size_t l; |
fd05b7dc RM |
287 | const char *p; |
288 | int i, punt_last = 0; | |
289 | char c[4]; | |
290 | ||
291 | /* If surrounded by quotes then it's a string */ | |
292 | if (*str == '"') { | |
293 | str++; | |
294 | l = strlen(str); | |
295 | p = str + l - 1; | |
296 | if (*p == '"') | |
297 | punt_last = 1; | |
298 | } else { | |
34457fe6 RM |
299 | l = (size_t)hwaddr_aton(NULL, str); |
300 | if ((ssize_t) l != -1 && l > 1) { | |
fd05b7dc RM |
301 | if (l > slen) { |
302 | errno = ENOBUFS; | |
303 | return -1; | |
304 | } | |
305 | hwaddr_aton((uint8_t *)sbuf, str); | |
34457fe6 | 306 | return (ssize_t)l; |
fd05b7dc RM |
307 | } |
308 | } | |
309 | ||
310 | /* Process escapes */ | |
311 | l = 0; | |
312 | /* If processing a string on the clientid, first byte should be | |
313 | * 0 to indicate a non hardware type */ | |
9c9ad2f1 | 314 | if (clid && *str) { |
7a911e57 RM |
315 | if (sbuf) |
316 | *sbuf++ = 0; | |
fd05b7dc RM |
317 | l++; |
318 | } | |
319 | c[3] = '\0'; | |
320 | while (*str) { | |
7a911e57 | 321 | if (++l > slen && sbuf) { |
fd05b7dc RM |
322 | errno = ENOBUFS; |
323 | return -1; | |
324 | } | |
325 | if (*str == '\\') { | |
326 | str++; | |
857576b4 | 327 | switch(*str) { |
fd05b7dc RM |
328 | case '\0': |
329 | break; | |
330 | case 'b': | |
7a911e57 RM |
331 | if (sbuf) |
332 | *sbuf++ = '\b'; | |
857576b4 | 333 | str++; |
fd05b7dc RM |
334 | break; |
335 | case 'n': | |
7a911e57 RM |
336 | if (sbuf) |
337 | *sbuf++ = '\n'; | |
857576b4 | 338 | str++; |
fd05b7dc RM |
339 | break; |
340 | case 'r': | |
7a911e57 RM |
341 | if (sbuf) |
342 | *sbuf++ = '\r'; | |
857576b4 | 343 | str++; |
fd05b7dc RM |
344 | break; |
345 | case 't': | |
7a911e57 RM |
346 | if (sbuf) |
347 | *sbuf++ = '\t'; | |
857576b4 | 348 | str++; |
fd05b7dc RM |
349 | break; |
350 | case 'x': | |
351 | /* Grab a hex code */ | |
352 | c[1] = '\0'; | |
353 | for (i = 0; i < 2; i++) { | |
354 | if (isxdigit((unsigned char)*str) == 0) | |
355 | break; | |
356 | c[i] = *str++; | |
357 | } | |
7a911e57 | 358 | if (c[1] != '\0' && sbuf) { |
fd05b7dc | 359 | c[2] = '\0'; |
34457fe6 | 360 | *sbuf++ = (char)strtol(c, NULL, 16); |
fd05b7dc RM |
361 | } else |
362 | l--; | |
363 | break; | |
364 | case '0': | |
365 | /* Grab an octal code */ | |
366 | c[2] = '\0'; | |
367 | for (i = 0; i < 3; i++) { | |
368 | if (*str < '0' || *str > '7') | |
369 | break; | |
370 | c[i] = *str++; | |
371 | } | |
7a911e57 | 372 | if (c[2] != '\0' && sbuf) { |
34457fe6 | 373 | i = (int)strtol(c, NULL, 8); |
fd05b7dc RM |
374 | if (i > 255) |
375 | i = 255; | |
34457fe6 | 376 | *sbuf ++= (char)i; |
fd05b7dc RM |
377 | } else |
378 | l--; | |
379 | break; | |
380 | default: | |
7a911e57 RM |
381 | if (sbuf) |
382 | *sbuf++ = *str; | |
383 | str++; | |
384 | break; | |
fd05b7dc | 385 | } |
7a911e57 RM |
386 | } else { |
387 | if (sbuf) | |
388 | *sbuf++ = *str; | |
389 | str++; | |
390 | } | |
fd05b7dc | 391 | } |
c35f63c8 | 392 | if (punt_last) { |
7a911e57 RM |
393 | if (sbuf) |
394 | *--sbuf = '\0'; | |
c35f63c8 RM |
395 | l--; |
396 | } | |
34457fe6 | 397 | return (ssize_t)l; |
fd05b7dc RM |
398 | } |
399 | ||
ebc9d360 | 400 | static int |
c73ed171 | 401 | parse_iaid1(uint8_t *iaid, const char *arg, size_t len, int n) |
ebc9d360 RM |
402 | { |
403 | unsigned long l; | |
34457fe6 | 404 | ssize_t s; |
ebc9d360 RM |
405 | uint32_t u32; |
406 | char *np; | |
407 | ||
408 | errno = 0; | |
409 | l = strtoul(arg, &np, 0); | |
410 | if (l <= (unsigned long)UINT32_MAX && errno == 0 && *np == '\0') { | |
c73ed171 | 411 | if (n) |
76bb4d03 | 412 | u32 = htonl((uint32_t)l); |
c73ed171 | 413 | else |
76bb4d03 | 414 | u32 = (uint32_t)l; |
ebc9d360 RM |
415 | memcpy(iaid, &u32, sizeof(u32)); |
416 | return 0; | |
417 | } | |
418 | ||
419 | if ((s = parse_string((char *)iaid, len, arg)) < 1) { | |
420 | syslog(LOG_ERR, "%s: invalid IAID", arg); | |
421 | return -1; | |
422 | } | |
423 | if (s < 4) | |
424 | iaid[3] = '\0'; | |
425 | if (s < 3) | |
426 | iaid[2] = '\0'; | |
427 | if (s < 2) | |
428 | iaid[1] = '\0'; | |
429 | return 0; | |
430 | } | |
431 | ||
c73ed171 RM |
432 | static int |
433 | parse_iaid(uint8_t *iaid, const char *arg, size_t len) | |
434 | { | |
435 | ||
436 | return parse_iaid1(iaid, arg, len, 1); | |
437 | } | |
438 | ||
439 | static int | |
440 | parse_uint32(uint32_t *i, const char *arg) | |
441 | { | |
442 | ||
443 | return parse_iaid1((uint8_t *)i, arg, sizeof(uint32_t), 0); | |
444 | } | |
445 | ||
ba97e494 RM |
446 | static char ** |
447 | splitv(int *argc, char **argv, const char *arg) | |
448 | { | |
fa245a4d | 449 | char **n, **v = argv; |
78369646 | 450 | char *o = strdup(arg), *p, *t, *nt; |
ba97e494 | 451 | |
78369646 RM |
452 | if (o == NULL) { |
453 | syslog(LOG_ERR, "%s: %m", __func__); | |
454 | return v; | |
455 | } | |
ba97e494 RM |
456 | p = o; |
457 | while ((t = strsep(&p, ", "))) { | |
fa245a4d RM |
458 | nt = strdup(t); |
459 | if (nt == NULL) { | |
460 | syslog(LOG_ERR, "%s: %m", __func__); | |
8fc52ced RM |
461 | free(o); |
462 | return v; | |
fa245a4d | 463 | } |
34457fe6 | 464 | n = realloc(v, sizeof(char *) * ((size_t)(*argc) + 1)); |
fa245a4d RM |
465 | if (n == NULL) { |
466 | syslog(LOG_ERR, "%s: %m", __func__); | |
8fc52ced RM |
467 | free(o); |
468 | free(nt); | |
469 | return v; | |
fa245a4d RM |
470 | } |
471 | v = n; | |
8fc52ced | 472 | v[(*argc)++] = nt; |
ba97e494 RM |
473 | } |
474 | free(o); | |
00ababe4 | 475 | return v; |
ba97e494 RM |
476 | } |
477 | ||
1f4c1525 | 478 | #ifdef INET |
91a44b91 RM |
479 | static int |
480 | parse_addr(struct in_addr *addr, struct in_addr *net, const char *arg) | |
481 | { | |
482 | char *p; | |
483 | int i; | |
484 | ||
2f7cb97c RM |
485 | if (arg == NULL || *arg == '\0') { |
486 | if (addr != NULL) | |
487 | addr->s_addr = 0; | |
488 | if (net != NULL) | |
489 | net->s_addr = 0; | |
91a44b91 | 490 | return 0; |
2f7cb97c | 491 | } |
91a44b91 RM |
492 | if ((p = strchr(arg, '/')) != NULL) { |
493 | *p++ = '\0'; | |
494 | if (net != NULL && | |
495 | (sscanf(p, "%d", &i) != 1 || | |
eab2229c | 496 | inet_cidrtoaddr(i, net) != 0)) |
91a44b91 RM |
497 | { |
498 | syslog(LOG_ERR, "`%s' is not a valid CIDR", p); | |
499 | return -1; | |
500 | } | |
00ababe4 | 501 | } |
2f7cb97c | 502 | |
91a44b91 RM |
503 | if (addr != NULL && inet_aton(arg, addr) == 0) { |
504 | syslog(LOG_ERR, "`%s' is not a valid IP address", arg); | |
505 | return -1; | |
506 | } | |
2f7cb97c | 507 | if (p != NULL) |
e095a6eb | 508 | *--p = '/'; |
8fc52ced | 509 | else if (net != NULL && addr != NULL) |
e88c525f | 510 | net->s_addr = ipv4_getnetmask(addr->s_addr); |
91a44b91 | 511 | return 0; |
1f4c1525 | 512 | } |
aae24feb | 513 | #else |
1f4c1525 RM |
514 | static int |
515 | parse_addr(__unused struct in_addr *addr, __unused struct in_addr *net, | |
516 | __unused const char *arg) | |
517 | { | |
518 | ||
aae24feb RM |
519 | syslog(LOG_ERR, "No IPv4 support"); |
520 | return -1; | |
91a44b91 | 521 | } |
1f4c1525 | 522 | #endif |
91a44b91 | 523 | |
00ababe4 | 524 | static const char * |
4eb7b489 | 525 | set_option_space(struct dhcpcd_ctx *ctx, |
49b749f0 RM |
526 | const char *arg, |
527 | const struct dhcp_opt **d, size_t *dl, | |
528 | const struct dhcp_opt **od, size_t *odl, | |
d7555c12 RM |
529 | struct if_options *ifo, |
530 | uint8_t *request[], uint8_t *require[], uint8_t *no[]) | |
531 | { | |
532 | ||
ca867830 RM |
533 | #if !defined(INET) && !defined(INET6) |
534 | /* Satisfy use */ | |
535 | ctx = ctx; | |
536 | #endif | |
537 | ||
aae24feb | 538 | #ifdef INET6 |
d7555c12 | 539 | if (strncmp(arg, "dhcp6_", strlen("dhcp6_")) == 0) { |
4eb7b489 RM |
540 | *d = ctx->dhcp6_opts; |
541 | *dl = ctx->dhcp6_opts_len; | |
49b749f0 RM |
542 | *od = ifo->dhcp6_override; |
543 | *odl = ifo->dhcp6_override_len; | |
d7555c12 RM |
544 | *request = ifo->requestmask6; |
545 | *require = ifo->requiremask6; | |
546 | *no = ifo->nomask6; | |
547 | return arg + strlen("dhcp6_"); | |
548 | } | |
aae24feb RM |
549 | #endif |
550 | ||
551 | #ifdef INET | |
4eb7b489 RM |
552 | *d = ctx->dhcp_opts; |
553 | *dl = ctx->dhcp_opts_len; | |
49b749f0 RM |
554 | *od = ifo->dhcp_override; |
555 | *odl = ifo->dhcp_override_len; | |
aae24feb RM |
556 | #else |
557 | *d = NULL; | |
ae4e592f | 558 | *dl = 0; |
49b749f0 RM |
559 | *od = NULL; |
560 | *odl = 0; | |
aae24feb | 561 | #endif |
d7555c12 RM |
562 | *request = ifo->requestmask; |
563 | *require = ifo->requiremask; | |
564 | *no = ifo->nomask; | |
565 | return arg; | |
566 | } | |
567 | ||
1cd05a96 | 568 | void |
8e7d8c37 RM |
569 | free_dhcp_opt_embenc(struct dhcp_opt *opt) |
570 | { | |
571 | size_t i; | |
bc22d277 | 572 | struct dhcp_opt *o; |
8e7d8c37 | 573 | |
bc22d277 | 574 | free(opt->var); |
8e7d8c37 | 575 | |
bc22d277 | 576 | for (i = 0, o = opt->embopts; i < opt->embopts_len; i++, o++) |
e877fba7 | 577 | free_dhcp_opt_embenc(o); |
8e7d8c37 RM |
578 | free(opt->embopts); |
579 | opt->embopts_len = 0; | |
580 | opt->embopts = NULL; | |
581 | ||
bc22d277 | 582 | for (i = 0, o = opt->encopts; i < opt->encopts_len; i++, o++) |
e877fba7 | 583 | free_dhcp_opt_embenc(o); |
8e7d8c37 RM |
584 | free(opt->encopts); |
585 | opt->encopts_len = 0; | |
586 | opt->encopts = NULL; | |
587 | } | |
588 | ||
1cd05a96 RM |
589 | static char * |
590 | strwhite(const char *s) | |
591 | { | |
592 | ||
4dd50184 RM |
593 | if (s == NULL) |
594 | return NULL; | |
1cd05a96 RM |
595 | while (*s != ' ' && *s != '\t') { |
596 | if (*s == '\0') | |
597 | return NULL; | |
598 | s++; | |
599 | } | |
600 | return UNCONST(s); | |
601 | } | |
602 | ||
603 | static char * | |
604 | strskipwhite(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 | ||
c73ed171 RM |
617 | /* Find the end pointer of a string. */ |
618 | static char * | |
619 | strend(const char *s) | |
620 | { | |
621 | ||
622 | s = strskipwhite(s); | |
623 | if (s == NULL) | |
624 | return NULL; | |
625 | if (*s != '"') | |
626 | return strchr(s, ' '); | |
627 | s++; | |
628 | for (; *s != '"' ; s++) { | |
629 | if (*s == '\0') | |
630 | return NULL; | |
631 | if (*s == '\\') { | |
632 | if (*(++s) == '\0') | |
633 | return NULL; | |
634 | } | |
635 | } | |
636 | return UNCONST(++s); | |
637 | } | |
638 | ||
fd05b7dc | 639 | static int |
4eb7b489 RM |
640 | parse_option(struct dhcpcd_ctx *ctx, const char *ifname, struct if_options *ifo, |
641 | int opt, const char *arg, struct dhcp_opt **ldop, struct dhcp_opt **edop) | |
fd05b7dc | 642 | { |
a93e79c6 RM |
643 | int i, t; |
644 | long l; | |
76bb4d03 | 645 | unsigned long u; |
fa245a4d | 646 | char *p = NULL, *fp, *np, **nconf; |
fd05b7dc | 647 | ssize_t s; |
e095a6eb | 648 | struct in_addr addr, addr2; |
fa245a4d | 649 | in_addr_t *naddr; |
91a44b91 | 650 | struct rt *rt; |
49b749f0 | 651 | const struct dhcp_opt *d, *od; |
d7555c12 | 652 | uint8_t *request, *require, *no; |
8e7d8c37 | 653 | struct dhcp_opt **dop, *ndop; |
49b749f0 | 654 | size_t *dop_len, dl, odl; |
7a911e57 | 655 | struct vivco *vivco; |
c73ed171 | 656 | struct token *token; |
a93e79c6 RM |
657 | struct group *grp; |
658 | #ifdef _REENTRANT | |
a93e79c6 RM |
659 | struct group grpbuf; |
660 | #endif | |
1f4c1525 | 661 | #ifdef INET6 |
1f4c1525 | 662 | size_t sl; |
ebc9d360 RM |
663 | struct if_ia *ia; |
664 | uint8_t iaid[4]; | |
5985c4e2 | 665 | struct if_sla *sla, *slap; |
1f4c1525 | 666 | #endif |
fd05b7dc | 667 | |
8e7d8c37 RM |
668 | dop = NULL; |
669 | dop_len = NULL; | |
7a02120f RM |
670 | #ifdef INET6 |
671 | i = 0; | |
672 | #endif | |
fd05b7dc | 673 | switch(opt) { |
5e2062a4 | 674 | case 'f': /* FALLTHROUGH */ |
6bfd88f1 | 675 | case 'g': /* FALLTHROUGH */ |
da166178 RM |
676 | case 'n': /* FALLTHROUGH */ |
677 | case 'x': /* FALLTHROUGH */ | |
dc60cba4 | 678 | case 'T': /* FALLTHROUGH */ |
b7f5d1db RM |
679 | case 'U': /* FALLTHROUGH */ |
680 | case 'V': /* We need to handle non interface options */ | |
fd05b7dc | 681 | break; |
03c2c879 RM |
682 | case 'b': |
683 | ifo->options |= DHCPCD_BACKGROUND; | |
684 | break; | |
fd05b7dc | 685 | case 'c': |
1681b126 RM |
686 | free(ifo->script); |
687 | ifo->script = strdup(arg); | |
688 | if (ifo->script == NULL) | |
689 | syslog(LOG_ERR, "%s: %m", __func__); | |
fd05b7dc | 690 | break; |
acb1cf88 RM |
691 | case 'd': |
692 | ifo->options |= DHCPCD_DEBUG; | |
693 | break; | |
6bfd88f1 RM |
694 | case 'e': |
695 | add_environ(ifo, arg, 1); | |
696 | break; | |
fd05b7dc | 697 | case 'h': |
cc3c3560 RM |
698 | if (!arg) { |
699 | ifo->options |= DHCPCD_HOSTNAME; | |
700 | break; | |
701 | } | |
702 | s = parse_string(ifo->hostname, HOSTNAME_MAX_LEN, arg); | |
703 | if (s == -1) { | |
704 | syslog(LOG_ERR, "hostname: %m"); | |
705 | return -1; | |
706 | } | |
707 | if (s != 0 && ifo->hostname[0] == '.') { | |
708 | syslog(LOG_ERR, "hostname cannot begin with ."); | |
709 | return -1; | |
fd05b7dc | 710 | } |
cc3c3560 | 711 | ifo->hostname[s] = '\0'; |
ed913a59 RM |
712 | if (ifo->hostname[0] == '\0') |
713 | ifo->options &= ~DHCPCD_HOSTNAME; | |
714 | else | |
715 | ifo->options |= DHCPCD_HOSTNAME; | |
fd05b7dc RM |
716 | break; |
717 | case 'i': | |
718 | if (arg) | |
719 | s = parse_string((char *)ifo->vendorclassid + 1, | |
eab2229c | 720 | VENDORCLASSID_MAX_LEN, arg); |
fd05b7dc RM |
721 | else |
722 | s = 0; | |
723 | if (s == -1) { | |
765fbf7d | 724 | syslog(LOG_ERR, "vendorclassid: %m"); |
fd05b7dc RM |
725 | return -1; |
726 | } | |
727 | *ifo->vendorclassid = (uint8_t)s; | |
728 | break; | |
2662d519 RM |
729 | case 'k': |
730 | ifo->options |= DHCPCD_RELEASE; | |
731 | break; | |
fd05b7dc RM |
732 | case 'l': |
733 | if (*arg == '-') { | |
765fbf7d | 734 | syslog(LOG_ERR, |
eab2229c | 735 | "leasetime must be a positive value"); |
fd05b7dc RM |
736 | return -1; |
737 | } | |
738 | errno = 0; | |
ebc9d360 | 739 | ifo->leasetime = (uint32_t)strtoul(arg, NULL, 0); |
fd05b7dc | 740 | if (errno == EINVAL || errno == ERANGE) { |
765fbf7d | 741 | syslog(LOG_ERR, "`%s' out of range", arg); |
fd05b7dc RM |
742 | return -1; |
743 | } | |
744 | break; | |
745 | case 'm': | |
746 | ifo->metric = atoint(arg); | |
747 | if (ifo->metric < 0) { | |
765fbf7d | 748 | syslog(LOG_ERR, "metric must be a positive value"); |
fd05b7dc RM |
749 | return -1; |
750 | } | |
751 | break; | |
752 | case 'o': | |
49b749f0 | 753 | arg = set_option_space(ctx, arg, &d, &dl, &od, &odl, ifo, |
ae4e592f | 754 | &request, &require, &no); |
49b749f0 RM |
755 | if (make_option_mask(d, dl, od, odl, request, arg, 1) != 0 || |
756 | make_option_mask(d, dl, od, odl, no, arg, -1) != 0) | |
ee56a47d | 757 | { |
765fbf7d | 758 | syslog(LOG_ERR, "unknown option `%s'", arg); |
fd05b7dc RM |
759 | return -1; |
760 | } | |
761 | break; | |
762 | case 'p': | |
763 | ifo->options |= DHCPCD_PERSISTENT; | |
764 | break; | |
03c2c879 RM |
765 | case 'q': |
766 | ifo->options |= DHCPCD_QUIET; | |
767 | break; | |
2f7cb97c | 768 | case 'r': |
2f7cb97c RM |
769 | if (parse_addr(&ifo->req_addr, NULL, arg) != 0) |
770 | return -1; | |
5b39d8f5 | 771 | ifo->options |= DHCPCD_REQUEST; |
2f7cb97c RM |
772 | ifo->req_mask.s_addr = 0; |
773 | break; | |
fd05b7dc | 774 | case 's': |
d7555c12 RM |
775 | if (ifo->options & DHCPCD_IPV6 && |
776 | !(ifo->options & DHCPCD_IPV4)) | |
777 | { | |
778 | ifo->options |= DHCPCD_INFORM; | |
779 | break; | |
780 | } | |
2f7cb97c RM |
781 | if (arg && *arg != '\0') { |
782 | if (parse_addr(&ifo->req_addr, &ifo->req_mask, | |
eab2229c | 783 | arg) != 0) |
91a44b91 | 784 | return -1; |
2f7cb97c RM |
785 | } else { |
786 | ifo->req_addr.s_addr = 0; | |
787 | ifo->req_mask.s_addr = 0; | |
fd05b7dc | 788 | } |
5b39d8f5 RM |
789 | ifo->options |= DHCPCD_INFORM | DHCPCD_PERSISTENT; |
790 | ifo->options &= ~(DHCPCD_ARP | DHCPCD_STATIC); | |
91a44b91 | 791 | break; |
fd05b7dc RM |
792 | case 't': |
793 | ifo->timeout = atoint(arg); | |
794 | if (ifo->timeout < 0) { | |
a2a9a498 | 795 | syslog(LOG_ERR, "timeout must be a positive value"); |
fd05b7dc RM |
796 | return -1; |
797 | } | |
798 | break; | |
799 | case 'u': | |
800 | s = USERCLASS_MAX_LEN - ifo->userclass[0] - 1; | |
eab2229c | 801 | s = parse_string((char *)ifo->userclass + |
34457fe6 | 802 | ifo->userclass[0] + 2, (size_t)s, arg); |
fd05b7dc | 803 | if (s == -1) { |
765fbf7d | 804 | syslog(LOG_ERR, "userclass: %m"); |
fd05b7dc RM |
805 | return -1; |
806 | } | |
807 | if (s != 0) { | |
34457fe6 RM |
808 | ifo->userclass[ifo->userclass[0] + 1] = (uint8_t)s; |
809 | ifo->userclass[0] += (uint8_t)s + 1; | |
fd05b7dc RM |
810 | } |
811 | break; | |
812 | case 'v': | |
813 | p = strchr(arg, ','); | |
814 | if (!p || !p[1]) { | |
b357d09f | 815 | syslog(LOG_ERR, "invalid vendor format: %s", arg); |
fd05b7dc RM |
816 | return -1; |
817 | } | |
95d6dcfa RM |
818 | |
819 | /* If vendor starts with , then it is not encapsulated */ | |
820 | if (p == arg) { | |
821 | arg++; | |
822 | s = parse_string((char *)ifo->vendor + 1, | |
823 | VENDOR_MAX_LEN, arg); | |
824 | if (s == -1) { | |
825 | syslog(LOG_ERR, "vendor: %m"); | |
826 | return -1; | |
827 | } | |
828 | ifo->vendor[0] = (uint8_t)s; | |
829 | ifo->options |= DHCPCD_VENDORRAW; | |
830 | break; | |
831 | } | |
832 | ||
833 | /* Encapsulated vendor options */ | |
834 | if (ifo->options & DHCPCD_VENDORRAW) { | |
835 | ifo->options &= ~DHCPCD_VENDORRAW; | |
836 | ifo->vendor[0] = 0; | |
837 | } | |
838 | ||
b357d09f | 839 | /* No need to strip the comma */ |
fd05b7dc | 840 | i = atoint(arg); |
fd05b7dc | 841 | if (i < 1 || i > 254) { |
765fbf7d | 842 | syslog(LOG_ERR, "vendor option should be between" |
eab2229c | 843 | " 1 and 254 inclusive"); |
fd05b7dc RM |
844 | return -1; |
845 | } | |
b357d09f RM |
846 | |
847 | arg = p + 1; | |
fd05b7dc RM |
848 | s = VENDOR_MAX_LEN - ifo->vendor[0] - 2; |
849 | if (inet_aton(arg, &addr) == 1) { | |
850 | if (s < 6) { | |
851 | s = -1; | |
852 | errno = ENOBUFS; | |
aeddc61a | 853 | } else { |
fd05b7dc | 854 | memcpy(ifo->vendor + ifo->vendor[0] + 3, |
eab2229c | 855 | &addr.s_addr, sizeof(addr.s_addr)); |
aeddc61a RM |
856 | s = sizeof(addr.s_addr); |
857 | } | |
fd05b7dc | 858 | } else { |
eab2229c | 859 | s = parse_string((char *)ifo->vendor + |
34457fe6 | 860 | ifo->vendor[0] + 3, (size_t)s, arg); |
fd05b7dc RM |
861 | } |
862 | if (s == -1) { | |
765fbf7d | 863 | syslog(LOG_ERR, "vendor: %m"); |
fd05b7dc RM |
864 | return -1; |
865 | } | |
866 | if (s != 0) { | |
34457fe6 RM |
867 | ifo->vendor[ifo->vendor[0] + 1] = (uint8_t)i; |
868 | ifo->vendor[ifo->vendor[0] + 2] = (uint8_t)s; | |
869 | ifo->vendor[0] += (uint8_t)s + 2; | |
fd05b7dc RM |
870 | } |
871 | break; | |
2a07a2af RM |
872 | case 'w': |
873 | ifo->options |= DHCPCD_WAITIP; | |
7013b073 RM |
874 | if (arg != NULL && arg[0] != '\0') { |
875 | if (arg[0] == '4' || arg[1] == '4') | |
876 | ifo->options |= DHCPCD_WAITIP4; | |
877 | if (arg[0] == '6' || arg[1] == '6') | |
878 | ifo->options |= DHCPCD_WAITIP6; | |
879 | } | |
2a07a2af | 880 | break; |
a2a9a498 RM |
881 | case 'y': |
882 | ifo->reboot = atoint(arg); | |
883 | if (ifo->reboot < 0) { | |
884 | syslog(LOG_ERR, "reboot must be a positive value"); | |
885 | return -1; | |
886 | } | |
887 | break; | |
d3088c74 | 888 | case 'z': |
4eb7b489 RM |
889 | if (ifname == NULL) |
890 | ctx->ifav = splitv(&ctx->ifac, ctx->ifav, arg); | |
d3088c74 | 891 | break; |
fd05b7dc RM |
892 | case 'A': |
893 | ifo->options &= ~DHCPCD_ARP; | |
894 | /* IPv4LL requires ARP */ | |
895 | ifo->options &= ~DHCPCD_IPV4LL; | |
896 | break; | |
03c2c879 RM |
897 | case 'B': |
898 | ifo->options &= ~DHCPCD_DAEMONISE; | |
899 | break; | |
fd05b7dc RM |
900 | case 'C': |
901 | /* Commas to spaces for shell */ | |
902 | while ((p = strchr(arg, ','))) | |
903 | *p = ' '; | |
34457fe6 RM |
904 | dl = strlen("skip_hooks=") + strlen(arg) + 1; |
905 | p = malloc(sizeof(char) * dl); | |
28382337 RM |
906 | if (p == NULL) { |
907 | syslog(LOG_ERR, "%s: %m", __func__); | |
908 | return -1; | |
909 | } | |
34457fe6 | 910 | snprintf(p, dl, "skip_hooks=%s", arg); |
fd05b7dc RM |
911 | add_environ(ifo, p, 0); |
912 | free(p); | |
913 | break; | |
914 | case 'D': | |
c989b023 | 915 | ifo->options |= DHCPCD_CLIENTID | DHCPCD_DUID; |
fd05b7dc RM |
916 | break; |
917 | case 'E': | |
918 | ifo->options |= DHCPCD_LASTLEASE; | |
919 | break; | |
920 | case 'F': | |
921 | if (!arg) { | |
922 | ifo->fqdn = FQDN_BOTH; | |
923 | break; | |
924 | } | |
925 | if (strcmp(arg, "none") == 0) | |
926 | ifo->fqdn = FQDN_NONE; | |
927 | else if (strcmp(arg, "ptr") == 0) | |
928 | ifo->fqdn = FQDN_PTR; | |
929 | else if (strcmp(arg, "both") == 0) | |
930 | ifo->fqdn = FQDN_BOTH; | |
931 | else if (strcmp(arg, "disable") == 0) | |
932 | ifo->fqdn = FQDN_DISABLE; | |
933 | else { | |
765fbf7d | 934 | syslog(LOG_ERR, "invalid value `%s' for FQDN", arg); |
fd05b7dc RM |
935 | return -1; |
936 | } | |
937 | break; | |
938 | case 'G': | |
939 | ifo->options &= ~DHCPCD_GATEWAY; | |
940 | break; | |
4242c9b3 RM |
941 | case 'H': |
942 | ifo->options |= DHCPCD_XID_HWADDR; | |
943 | break; | |
fd05b7dc RM |
944 | case 'I': |
945 | /* Strings have a type of 0 */; | |
946 | ifo->clientid[1] = 0; | |
947 | if (arg) | |
948 | s = parse_string_hwaddr((char *)ifo->clientid + 1, | |
eab2229c | 949 | CLIENTID_MAX_LEN, arg, 1); |
fd05b7dc RM |
950 | else |
951 | s = 0; | |
952 | if (s == -1) { | |
765fbf7d | 953 | syslog(LOG_ERR, "clientid: %m"); |
fd05b7dc RM |
954 | return -1; |
955 | } | |
c989b023 | 956 | ifo->options |= DHCPCD_CLIENTID; |
fd05b7dc | 957 | ifo->clientid[0] = (uint8_t)s; |
fd05b7dc | 958 | break; |
900b3da4 RM |
959 | case 'J': |
960 | ifo->options |= DHCPCD_BROADCAST; | |
961 | break; | |
fd05b7dc RM |
962 | case 'K': |
963 | ifo->options &= ~DHCPCD_LINK; | |
964 | break; | |
965 | case 'L': | |
966 | ifo->options &= ~DHCPCD_IPV4LL; | |
967 | break; | |
b3174181 RM |
968 | case 'M': |
969 | ifo->options |= DHCPCD_MASTER; | |
970 | break; | |
fd05b7dc | 971 | case 'O': |
49b749f0 | 972 | arg = set_option_space(ctx, arg, &d, &dl, &od, &odl, ifo, |
ae4e592f | 973 | &request, &require, &no); |
49b749f0 RM |
974 | if (make_option_mask(d, dl, od, odl, request, arg, -1) != 0 || |
975 | make_option_mask(d, dl, od, odl, require, arg, -1) != 0 || | |
976 | make_option_mask(d, dl, od, odl, no, arg, 1) != 0) | |
fd05b7dc | 977 | { |
765fbf7d | 978 | syslog(LOG_ERR, "unknown option `%s'", arg); |
fd05b7dc RM |
979 | return -1; |
980 | } | |
981 | break; | |
982 | case 'Q': | |
49b749f0 | 983 | arg = set_option_space(ctx, arg, &d, &dl, &od, &odl, ifo, |
ae4e592f | 984 | &request, &require, &no); |
49b749f0 RM |
985 | if (make_option_mask(d, dl, od, odl, require, arg, 1) != 0 || |
986 | make_option_mask(d, dl, od, odl, request, arg, 1) != 0 || | |
987 | make_option_mask(d, dl, od, odl, no, arg, -1) != 0) | |
fd05b7dc | 988 | { |
765fbf7d | 989 | syslog(LOG_ERR, "unknown option `%s'", arg); |
fd05b7dc RM |
990 | return -1; |
991 | } | |
992 | break; | |
91a44b91 RM |
993 | case 'S': |
994 | p = strchr(arg, '='); | |
995 | if (p == NULL) { | |
996 | syslog(LOG_ERR, "static assignment required"); | |
997 | return -1; | |
998 | } | |
999 | p++; | |
1000 | if (strncmp(arg, "ip_address=", strlen("ip_address=")) == 0) { | |
776961cf RM |
1001 | if (parse_addr(&ifo->req_addr, |
1002 | ifo->req_mask.s_addr == 0 ? &ifo->req_mask : NULL, | |
1003 | p) != 0) | |
91a44b91 RM |
1004 | return -1; |
1005 | ||
1006 | ifo->options |= DHCPCD_STATIC; | |
fa8b2a7a | 1007 | ifo->options &= ~DHCPCD_INFORM; |
776961cf RM |
1008 | } else if (strncmp(arg, "subnet_mask=", strlen("subnet_mask=")) == 0) { |
1009 | if (parse_addr(&ifo->req_mask, NULL, p) != 0) | |
1010 | return -1; | |
91a44b91 | 1011 | } else if (strncmp(arg, "routes=", strlen("routes=")) == 0 || |
eab2229c RM |
1012 | strncmp(arg, "static_routes=", strlen("static_routes=")) == 0 || |
1013 | strncmp(arg, "classless_static_routes=", strlen("classless_static_routes=")) == 0 || | |
1014 | strncmp(arg, "ms_classless_static_routes=", strlen("ms_classless_static_routes=")) == 0) | |
91a44b91 | 1015 | { |
1cd05a96 | 1016 | fp = np = strwhite(p); |
91a44b91 RM |
1017 | if (np == NULL) { |
1018 | syslog(LOG_ERR, "all routes need a gateway"); | |
1019 | return -1; | |
1020 | } | |
1021 | *np++ = '\0'; | |
1cd05a96 | 1022 | np = strskipwhite(np); |
91a44b91 | 1023 | if (ifo->routes == NULL) { |
4c9c4b3e RM |
1024 | ifo->routes = malloc(sizeof(*ifo->routes)); |
1025 | if (ifo->routes == NULL) { | |
10e17e3f | 1026 | syslog(LOG_ERR, "%s: %m", __func__); |
10e17e3f RM |
1027 | return -1; |
1028 | } | |
673e81e5 | 1029 | TAILQ_INIT(ifo->routes); |
4c9c4b3e RM |
1030 | } |
1031 | rt = malloc(sizeof(*rt)); | |
1032 | if (rt == NULL) { | |
1033 | syslog(LOG_ERR, "%s: %m", __func__); | |
1034 | *fp = ' '; | |
1035 | return -1; | |
91a44b91 | 1036 | } |
91a44b91 RM |
1037 | if (parse_addr(&rt->dest, &rt->net, p) == -1 || |
1038 | parse_addr(&rt->gate, NULL, np) == -1) | |
332a5fe6 | 1039 | { |
4c9c4b3e | 1040 | free(rt); |
332a5fe6 | 1041 | *fp = ' '; |
91a44b91 | 1042 | return -1; |
332a5fe6 | 1043 | } |
4c9c4b3e | 1044 | TAILQ_INSERT_TAIL(ifo->routes, rt, next); |
332a5fe6 | 1045 | *fp = ' '; |
91a44b91 RM |
1046 | } else if (strncmp(arg, "routers=", strlen("routers=")) == 0) { |
1047 | if (ifo->routes == NULL) { | |
4c9c4b3e RM |
1048 | ifo->routes = malloc(sizeof(*ifo->routes)); |
1049 | if (ifo->routes == NULL) { | |
10e17e3f RM |
1050 | syslog(LOG_ERR, "%s: %m", __func__); |
1051 | return -1; | |
1052 | } | |
00ababe4 | 1053 | TAILQ_INIT(ifo->routes); |
4c9c4b3e RM |
1054 | } |
1055 | rt = malloc(sizeof(*rt)); | |
1056 | if (rt == NULL) { | |
1057 | syslog(LOG_ERR, "%s: %m", __func__); | |
1058 | return -1; | |
91a44b91 | 1059 | } |
1abffd5b RM |
1060 | rt->dest.s_addr = INADDR_ANY; |
1061 | rt->net.s_addr = INADDR_ANY; | |
4c9c4b3e RM |
1062 | if (parse_addr(&rt->gate, NULL, p) == -1) { |
1063 | free(rt); | |
91a44b91 | 1064 | return -1; |
4c9c4b3e RM |
1065 | } |
1066 | TAILQ_INSERT_TAIL(ifo->routes, rt, next); | |
91a44b91 | 1067 | } else { |
34457fe6 | 1068 | dl = 0; |
91a44b91 | 1069 | if (ifo->config != NULL) { |
34457fe6 RM |
1070 | while (ifo->config[dl] != NULL) { |
1071 | if (strncmp(ifo->config[dl], arg, | |
1072 | (size_t)(p - arg)) == 0) | |
eab2229c | 1073 | { |
78369646 RM |
1074 | p = strdup(arg); |
1075 | if (p == NULL) { | |
1076 | syslog(LOG_ERR, | |
1077 | "%s: %m", __func__); | |
1078 | return -1; | |
1079 | } | |
34457fe6 RM |
1080 | free(ifo->config[dl]); |
1081 | ifo->config[dl] = p; | |
91a44b91 RM |
1082 | return 1; |
1083 | } | |
34457fe6 | 1084 | dl++; |
91a44b91 RM |
1085 | } |
1086 | } | |
78369646 | 1087 | p = strdup(arg); |
fa245a4d RM |
1088 | if (p == NULL) { |
1089 | syslog(LOG_ERR, "%s: %m", __func__); | |
1090 | return -1; | |
1091 | } | |
34457fe6 | 1092 | nconf = realloc(ifo->config, sizeof(char *) * (dl + 2)); |
78369646 RM |
1093 | if (nconf == NULL) { |
1094 | syslog(LOG_ERR, "%s: %m", __func__); | |
1095 | return -1; | |
1096 | } | |
fa245a4d | 1097 | ifo->config = nconf; |
34457fe6 RM |
1098 | ifo->config[dl] = p; |
1099 | ifo->config[dl + 1] = NULL; | |
91a44b91 RM |
1100 | } |
1101 | break; | |
bf80d526 RM |
1102 | case 'W': |
1103 | if (parse_addr(&addr, &addr2, arg) != 0) | |
1104 | return -1; | |
1105 | if (strchr(arg, '/') == NULL) | |
1106 | addr2.s_addr = INADDR_BROADCAST; | |
fa245a4d | 1107 | naddr = realloc(ifo->whitelist, |
bf80d526 | 1108 | sizeof(in_addr_t) * (ifo->whitelist_len + 2)); |
fa245a4d RM |
1109 | if (naddr == NULL) { |
1110 | syslog(LOG_ERR, "%s: %m", __func__); | |
1111 | return -1; | |
1112 | } | |
1113 | ifo->whitelist = naddr; | |
bf80d526 RM |
1114 | ifo->whitelist[ifo->whitelist_len++] = addr.s_addr; |
1115 | ifo->whitelist[ifo->whitelist_len++] = addr2.s_addr; | |
1116 | break; | |
fd05b7dc | 1117 | case 'X': |
e095a6eb | 1118 | if (parse_addr(&addr, &addr2, arg) != 0) |
fd05b7dc | 1119 | return -1; |
ce6b39df RM |
1120 | if (strchr(arg, '/') == NULL) |
1121 | addr2.s_addr = INADDR_BROADCAST; | |
fa245a4d | 1122 | naddr = realloc(ifo->blacklist, |
e095a6eb | 1123 | sizeof(in_addr_t) * (ifo->blacklist_len + 2)); |
fa245a4d RM |
1124 | if (naddr == NULL) { |
1125 | syslog(LOG_ERR, "%s: %m", __func__); | |
1126 | return -1; | |
1127 | } | |
1128 | ifo->blacklist = naddr; | |
e095a6eb RM |
1129 | ifo->blacklist[ifo->blacklist_len++] = addr.s_addr; |
1130 | ifo->blacklist[ifo->blacklist_len++] = addr2.s_addr; | |
fd05b7dc | 1131 | break; |
d3088c74 | 1132 | case 'Z': |
4eb7b489 RM |
1133 | if (ifname == NULL) |
1134 | ctx->ifdv = splitv(&ctx->ifdc, ctx->ifdv, arg); | |
d3088c74 | 1135 | break; |
d7555c12 | 1136 | case '4': |
2f0addfd | 1137 | ifo->options &= ~DHCPCD_IPV6; |
d7555c12 RM |
1138 | ifo->options |= DHCPCD_IPV4; |
1139 | break; | |
1140 | case '6': | |
1141 | ifo->options &= ~DHCPCD_IPV4; | |
2f0addfd | 1142 | ifo->options |= DHCPCD_IPV6; |
d7555c12 | 1143 | break; |
94bec972 RM |
1144 | case O_IPV4: |
1145 | ifo->options |= DHCPCD_IPV4; | |
1146 | break; | |
bb8051bf RM |
1147 | case O_NOIPV4: |
1148 | ifo->options &= ~DHCPCD_IPV4; | |
1149 | break; | |
94bec972 RM |
1150 | case O_IPV6: |
1151 | ifo->options |= DHCPCD_IPV6; | |
1152 | break; | |
bb8051bf RM |
1153 | case O_NOIPV6: |
1154 | ifo->options &= ~DHCPCD_IPV6; | |
1155 | break; | |
aae24feb | 1156 | #ifdef INET |
4ca7460f | 1157 | case O_ARPING: |
48ac077b RM |
1158 | while (arg && *arg != '\0') { |
1159 | fp = strwhite(arg); | |
1160 | if (fp) | |
1161 | *fp++ = '\0'; | |
1162 | if (parse_addr(&addr, NULL, arg) != 0) | |
1163 | return -1; | |
1164 | naddr = realloc(ifo->arping, | |
1165 | sizeof(in_addr_t) * (ifo->arping_len + 1)); | |
1166 | if (naddr == NULL) { | |
1167 | syslog(LOG_ERR, "%s: %m", __func__); | |
1168 | return -1; | |
1169 | } | |
1170 | ifo->arping = naddr; | |
1171 | ifo->arping[ifo->arping_len++] = addr.s_addr; | |
4dd50184 | 1172 | arg = strskipwhite(fp); |
fa245a4d | 1173 | } |
4ca7460f | 1174 | break; |
41c60e02 | 1175 | case O_DESTINATION: |
49b749f0 RM |
1176 | arg = set_option_space(ctx, arg, &d, &dl, &od, &odl, ifo, |
1177 | &request, &require, &no); | |
1178 | if (make_option_mask(d, dl, od, odl, | |
1179 | ifo->dstmask, arg, 2) != 0) | |
1180 | { | |
41c60e02 RM |
1181 | if (errno == EINVAL) |
1182 | syslog(LOG_ERR, "option `%s' does not take" | |
1183 | " an IPv4 address", arg); | |
1184 | else | |
1185 | syslog(LOG_ERR, "unknown option `%s'", arg); | |
1186 | return -1; | |
1187 | } | |
1188 | break; | |
ff021b0b RM |
1189 | case O_FALLBACK: |
1190 | free(ifo->fallback); | |
78369646 RM |
1191 | ifo->fallback = strdup(arg); |
1192 | if (ifo->fallback == NULL) { | |
1193 | syslog(LOG_ERR, "%s: %m", __func__); | |
00ababe4 | 1194 | return -1; |
78369646 | 1195 | } |
ff021b0b | 1196 | break; |
aae24feb | 1197 | #endif |
ebc9d360 | 1198 | case O_IAID: |
9ff636a5 RM |
1199 | if (ifname == NULL) { |
1200 | syslog(LOG_ERR, | |
1201 | "IAID must belong in an interface block"); | |
1202 | return -1; | |
1203 | } | |
ebc9d360 RM |
1204 | if (parse_iaid(ifo->iaid, arg, sizeof(ifo->iaid)) == -1) |
1205 | return -1; | |
1206 | ifo->options |= DHCPCD_IAID; | |
563a421c | 1207 | break; |
eebe9a18 RM |
1208 | case O_IPV6RS: |
1209 | ifo->options |= DHCPCD_IPV6RS; | |
1210 | break; | |
91cd7324 | 1211 | case O_NOIPV6RS: |
61dd6cf9 RM |
1212 | ifo->options &= ~DHCPCD_IPV6RS; |
1213 | break; | |
eebe9a18 | 1214 | case O_IPV6RA_FORK: |
61dd6cf9 | 1215 | ifo->options &= ~DHCPCD_IPV6RA_REQRDNSS; |
91cd7324 | 1216 | break; |
eebe9a18 RM |
1217 | case O_IPV6RA_OWN: |
1218 | ifo->options |= DHCPCD_IPV6RA_OWN; | |
1219 | break; | |
1220 | case O_IPV6RA_OWN_D: | |
1221 | ifo->options |= DHCPCD_IPV6RA_OWN_DEFAULT; | |
1222 | break; | |
62f12387 RM |
1223 | case O_IPV6RA_AUTOCONF: |
1224 | ifo->options |= DHCPCD_IPV6RA_AUTOCONF; | |
1225 | break; | |
1226 | case O_IPV6RA_NOAUTOCONF: | |
1227 | ifo->options &= ~DHCPCD_IPV6RA_AUTOCONF; | |
1228 | break; | |
7dab081f RM |
1229 | case O_NOALIAS: |
1230 | ifo->options |= DHCPCD_NOALIAS; | |
1231 | break; | |
00ababe4 RM |
1232 | #ifdef INET6 |
1233 | case O_IA_NA: | |
1234 | i = D6_OPTION_IA_NA; | |
1235 | /* FALLTHROUGH */ | |
1236 | case O_IA_TA: | |
1237 | if (i == 0) | |
1238 | i = D6_OPTION_IA_TA; | |
1239 | /* FALLTHROUGH */ | |
1240 | case O_IA_PD: | |
9ff636a5 RM |
1241 | if (i == 0) { |
1242 | if (ifname == NULL) { | |
1243 | syslog(LOG_ERR, | |
1244 | "IA PD must belong in an interface block"); | |
1245 | return -1; | |
1246 | } | |
00ababe4 | 1247 | i = D6_OPTION_IA_PD; |
9ff636a5 | 1248 | } |
b0ca9ae9 | 1249 | if (ifname == NULL && arg) { |
9ff636a5 RM |
1250 | syslog(LOG_ERR, |
1251 | "IA with IAID must belong in an interface block"); | |
1252 | return -1; | |
1253 | } | |
00ababe4 | 1254 | ifo->options |= DHCPCD_IA_FORCED; |
52bcdc34 RM |
1255 | fp = strwhite(arg); |
1256 | if (fp) { | |
1257 | *fp++ = '\0'; | |
1258 | fp = strskipwhite(fp); | |
1259 | } | |
b0ca9ae9 | 1260 | if (arg) { |
b0ca9ae9 RM |
1261 | p = strchr(arg, '/'); |
1262 | if (p) | |
1263 | *p++ = '\0'; | |
1264 | if (parse_iaid(iaid, arg, sizeof(iaid)) == -1) | |
1265 | return -1; | |
52bcdc34 | 1266 | } |
ebc9d360 RM |
1267 | ia = NULL; |
1268 | for (sl = 0; sl < ifo->ia_len; sl++) { | |
52bcdc34 | 1269 | if ((arg == NULL && !ifo->ia[sl].iaid_set) || |
8371b540 RM |
1270 | (ifo->ia[sl].iaid_set && |
1271 | ifo->ia[sl].iaid[0] == iaid[0] && | |
ebc9d360 RM |
1272 | ifo->ia[sl].iaid[1] == iaid[1] && |
1273 | ifo->ia[sl].iaid[2] == iaid[2] && | |
b0ca9ae9 | 1274 | ifo->ia[sl].iaid[3] == iaid[3])) |
00ababe4 | 1275 | { |
ebc9d360 | 1276 | ia = &ifo->ia[sl]; |
00ababe4 RM |
1277 | break; |
1278 | } | |
1279 | } | |
b0ca9ae9 RM |
1280 | if (ia && ia->ia_type != (uint16_t)i) { |
1281 | syslog(LOG_ERR, "Cannot mix IA for the same IAID"); | |
1282 | break; | |
1283 | } | |
ebc9d360 RM |
1284 | if (ia == NULL) { |
1285 | ia = realloc(ifo->ia, | |
1286 | sizeof(*ifo->ia) * (ifo->ia_len + 1)); | |
1287 | if (ia == NULL) { | |
00ababe4 RM |
1288 | syslog(LOG_ERR, "%s: %m", __func__); |
1289 | return -1; | |
1290 | } | |
ebc9d360 RM |
1291 | ifo->ia = ia; |
1292 | ia = &ifo->ia[ifo->ia_len++]; | |
b0ca9ae9 | 1293 | ia->ia_type = (uint16_t)i; |
52bcdc34 | 1294 | if (arg) { |
b0ca9ae9 RM |
1295 | ia->iaid[0] = iaid[0]; |
1296 | ia->iaid[1] = iaid[1]; | |
1297 | ia->iaid[2] = iaid[2]; | |
1298 | ia->iaid[3] = iaid[3]; | |
1299 | ia->iaid_set = 1; | |
1300 | } else | |
1301 | ia->iaid_set = 0; | |
1302 | if (!ia->iaid_set || | |
1303 | p == NULL || | |
1304 | ia->ia_type == D6_OPTION_IA_TA) | |
1305 | { | |
4f94ed51 RM |
1306 | memset(&ia->addr, 0, sizeof(ia->addr)); |
1307 | ia->prefix_len = 0; | |
1308 | } else { | |
1309 | arg = p; | |
1310 | p = strchr(arg, '/'); | |
1311 | if (p) | |
1312 | *p++ = '\0'; | |
1313 | if (inet_pton(AF_INET6, arg, &ia->addr) == -1) { | |
1314 | syslog(LOG_ERR, "%s: %m", arg); | |
1315 | memset(&ia->addr, 0, sizeof(ia->addr)); | |
1316 | } | |
b0ca9ae9 | 1317 | if (p && ia->ia_type == D6_OPTION_IA_PD) { |
4f94ed51 RM |
1318 | i = atoint(p); |
1319 | if (i != -1 && (i < 8 || i > 120)) { | |
1320 | errno = EINVAL; | |
1321 | i = -1; | |
1322 | } | |
1323 | if (i == -1) { | |
1324 | syslog(LOG_ERR, "%s: %m", p); | |
1325 | ia->prefix_len = 0; | |
1326 | } else | |
1327 | ia->prefix_len = (uint8_t)i; | |
1328 | } | |
1329 | } | |
e69793ff | 1330 | ia->sla_max = 0; |
ebc9d360 | 1331 | ia->sla_len = 0; |
4f94ed51 | 1332 | ia->sla = NULL; |
00ababe4 | 1333 | } |
b0ca9ae9 | 1334 | if (ia->ia_type != D6_OPTION_IA_PD) |
7cece083 | 1335 | break; |
00ababe4 | 1336 | for (p = fp; p; p = fp) { |
1cd05a96 RM |
1337 | fp = strwhite(p); |
1338 | if (fp) { | |
00ababe4 | 1339 | *fp++ = '\0'; |
1cd05a96 RM |
1340 | fp = strskipwhite(fp); |
1341 | } | |
ebc9d360 RM |
1342 | sla = realloc(ia->sla, |
1343 | sizeof(*ia->sla) * (ia->sla_len + 1)); | |
00ababe4 RM |
1344 | if (sla == NULL) { |
1345 | syslog(LOG_ERR, "%s: %m", __func__); | |
1346 | return -1; | |
1347 | } | |
ebc9d360 RM |
1348 | ia->sla = sla; |
1349 | sla = &ia->sla[ia->sla_len++]; | |
00ababe4 RM |
1350 | np = strchr(p, '/'); |
1351 | if (np) | |
1352 | *np++ = '\0'; | |
00ababe4 RM |
1353 | if (strlcpy(sla->ifname, p, |
1354 | sizeof(sla->ifname)) >= sizeof(sla->ifname)) | |
1355 | { | |
1356 | syslog(LOG_ERR, "%s: interface name too long", | |
1357 | arg); | |
94a79cea | 1358 | goto err_sla; |
00ababe4 RM |
1359 | } |
1360 | p = np; | |
367f7b11 RM |
1361 | if (p) { |
1362 | np = strchr(p, '/'); | |
1363 | if (np) | |
1364 | *np++ = '\0'; | |
83919266 RM |
1365 | if (*p == '\0') |
1366 | sla->sla_set = 0; | |
1367 | else { | |
1368 | errno = 0; | |
34457fe6 RM |
1369 | i = atoint(p); |
1370 | if (i == -1) | |
1371 | goto err_sla; | |
1372 | sla->sla = (uint32_t)i; | |
94a79cea RM |
1373 | if (sla->sla == 0 && ia->sla_len > 1) { |
1374 | syslog(LOG_ERR, "%s: cannot" | |
1375 | " assign multiple prefixes" | |
1376 | " with a SLA of 0", | |
1377 | ifname); | |
1378 | goto err_sla; | |
1379 | } | |
83919266 RM |
1380 | sla->sla_set = 1; |
1381 | if (errno) | |
94a79cea | 1382 | goto err_sla; |
83919266 | 1383 | } |
367f7b11 | 1384 | if (np) { |
34457fe6 RM |
1385 | i = atoint(np); |
1386 | if (i < 0 || i > 128) | |
94a79cea | 1387 | goto err_sla; |
34457fe6 | 1388 | sla->prefix_len = (uint8_t)i; |
367f7b11 | 1389 | } else |
e69793ff | 1390 | sla->prefix_len = 0; |
5985c4e2 RM |
1391 | } else { |
1392 | sla->sla_set = 0; | |
e69793ff RM |
1393 | sla->prefix_len = 0; |
1394 | } | |
1395 | /* Sanity check */ | |
1396 | for (sl = 0; sl < ia->sla_len - 1; sl++) { | |
1397 | slap = &ia->sla[sl]; | |
1398 | if (slap->sla_set && sla->sla_set == 0) { | |
1399 | syslog(LOG_WARNING, | |
1400 | "%s: cannot mix automatic " | |
1401 | "and fixed SLA", | |
1402 | sla->ifname); | |
1403 | goto err_sla; | |
1404 | } | |
1405 | if (sla->sla_set == 0 && | |
1406 | strcmp(slap->ifname, sla->ifname) == 0) | |
1407 | { | |
1408 | syslog(LOG_WARNING, | |
1409 | "%s: cannot specify the " | |
1410 | "same interface twice with " | |
1411 | "an automatic SLA", | |
1412 | sla->ifname); | |
1413 | goto err_sla; | |
5985c4e2 | 1414 | } |
367f7b11 | 1415 | } |
e69793ff RM |
1416 | if (sla->sla_set && sla->sla > ia->sla_max) |
1417 | ia->sla_max = sla->sla; | |
00ababe4 | 1418 | } |
ebc9d360 | 1419 | break; |
94a79cea RM |
1420 | err_sla: |
1421 | ia->sla_len--; | |
1422 | return -1; | |
1423 | #endif | |
d6a18654 | 1424 | case O_HOSTNAME_SHORT: |
9c54b11b | 1425 | ifo->options |= DHCPCD_HOSTNAME | DHCPCD_HOSTNAME_SHORT; |
d6a18654 | 1426 | break; |
413652c1 | 1427 | case O_DEV: |
4eb7b489 RM |
1428 | #ifdef PLUGIN_DEV |
1429 | if (ctx->dev_load) | |
1430 | free(ctx->dev_load); | |
1431 | ctx->dev_load = strdup(arg); | |
1432 | #endif | |
413652c1 RM |
1433 | break; |
1434 | case O_NODEV: | |
1435 | ifo->options &= ~DHCPCD_DEV; | |
1436 | break; | |
8e7d8c37 RM |
1437 | case O_DEFINE: |
1438 | dop = &ifo->dhcp_override; | |
1439 | dop_len = &ifo->dhcp_override_len; | |
1440 | /* FALLTHROUGH */ | |
1441 | case O_DEFINE6: | |
1442 | if (dop == NULL) { | |
1443 | dop = &ifo->dhcp6_override; | |
1444 | dop_len = &ifo->dhcp6_override_len; | |
1445 | } | |
7a911e57 RM |
1446 | /* FALLTHROUGH */ |
1447 | case O_VENDOPT: | |
1448 | if (dop == NULL) { | |
1449 | dop = &ifo->vivso_override; | |
1450 | dop_len = &ifo->vivso_override_len; | |
1451 | } | |
4eb7b489 | 1452 | *edop = *ldop = NULL; |
8e7d8c37 RM |
1453 | /* FALLTHROUGH */ |
1454 | case O_EMBED: | |
1455 | if (dop == NULL) { | |
4eb7b489 RM |
1456 | if (*edop) { |
1457 | dop = &(*edop)->embopts; | |
1458 | dop_len = &(*edop)->embopts_len; | |
03476881 | 1459 | } else if (ldop) { |
4eb7b489 RM |
1460 | dop = &(*ldop)->embopts; |
1461 | dop_len = &(*ldop)->embopts_len; | |
03476881 RM |
1462 | } else { |
1463 | syslog(LOG_ERR, | |
1464 | "embed must be after a define or encap"); | |
8e7d8c37 RM |
1465 | return -1; |
1466 | } | |
8e7d8c37 | 1467 | } |
03476881 | 1468 | /* FALLTHROUGH */ |
8e7d8c37 RM |
1469 | case O_ENCAP: |
1470 | if (dop == NULL) { | |
4eb7b489 | 1471 | if (*ldop == NULL) { |
8e7d8c37 RM |
1472 | syslog(LOG_ERR, "encap must be after a define"); |
1473 | return -1; | |
1474 | } | |
4eb7b489 RM |
1475 | dop = &(*ldop)->encopts; |
1476 | dop_len = &(*ldop)->encopts_len; | |
8e7d8c37 RM |
1477 | } |
1478 | ||
1479 | /* Shared code for define, define6, embed and encap */ | |
1480 | ||
1481 | /* code */ | |
1482 | if (opt == O_EMBED) /* Embedded options don't have codes */ | |
7a911e57 | 1483 | u = 0; |
8e7d8c37 | 1484 | else { |
1cd05a96 | 1485 | fp = strwhite(arg); |
4dd50184 | 1486 | if (fp == NULL) { |
8e7d8c37 RM |
1487 | syslog(LOG_ERR, "invalid syntax: %s", arg); |
1488 | return -1; | |
1489 | } | |
1490 | *fp++ = '\0'; | |
7a911e57 RM |
1491 | errno = 0; |
1492 | u = strtoul(arg, &np, 0); | |
1493 | if (u > UINT32_MAX || errno != 0 || *np != '\0') { | |
1494 | syslog(LOG_ERR, "invalid code: %s", arg); | |
8e7d8c37 | 1495 | return -1; |
7a911e57 | 1496 | } |
1cd05a96 | 1497 | arg = strskipwhite(fp); |
4dd50184 RM |
1498 | if (arg == NULL) { |
1499 | syslog(LOG_ERR, "invalid syntax"); | |
1500 | return -1; | |
1501 | } | |
8e7d8c37 RM |
1502 | } |
1503 | /* type */ | |
1cd05a96 | 1504 | fp = strwhite(arg); |
ab371aa6 | 1505 | if (fp) |
1cd05a96 | 1506 | *fp++ = '\0'; |
b21cd906 RM |
1507 | np = strchr(arg, ':'); |
1508 | /* length */ | |
1509 | if (np) { | |
1510 | *np++ = '\0'; | |
1511 | if ((l = atoint(np)) == -1) | |
1512 | return -1; | |
1513 | } else | |
1514 | l = 0; | |
1cd05a96 RM |
1515 | t = 0; |
1516 | if (strcasecmp(arg, "request") == 0) { | |
1517 | t |= REQUEST; | |
1518 | arg = strskipwhite(fp); | |
1519 | fp = strwhite(arg); | |
1520 | if (fp == NULL) { | |
1521 | syslog(LOG_ERR, "incomplete request type"); | |
1522 | return -1; | |
1523 | } | |
1524 | *fp++ = '\0'; | |
1525 | } else if (strcasecmp(arg, "norequest") == 0) { | |
1526 | t |= NOREQ; | |
1527 | arg = strskipwhite(fp); | |
1528 | fp = strwhite(arg); | |
1529 | if (fp == NULL) { | |
1530 | syslog(LOG_ERR, "incomplete request type"); | |
1531 | return -1; | |
1532 | } | |
8e7d8c37 | 1533 | *fp++ = '\0'; |
1cd05a96 | 1534 | } |
03476881 RM |
1535 | if (strcasecmp(arg, "index") == 0) { |
1536 | t |= INDEX; | |
1537 | arg = strskipwhite(fp); | |
1538 | fp = strwhite(arg); | |
1539 | if (fp == NULL) { | |
1540 | syslog(LOG_ERR, "incomplete index type"); | |
1541 | return -1; | |
1542 | } | |
1543 | *fp++ = '\0'; | |
1544 | } | |
1cd05a96 RM |
1545 | if (strcasecmp(arg, "array") == 0) { |
1546 | t |= ARRAY; | |
1547 | arg = strskipwhite(fp); | |
1548 | fp = strwhite(arg); | |
1549 | if (fp == NULL) { | |
1550 | syslog(LOG_ERR, "incomplete array type"); | |
1551 | return -1; | |
1552 | } | |
1553 | *fp++ = '\0'; | |
1554 | } | |
8e7d8c37 | 1555 | if (strcasecmp(arg, "ipaddress") == 0) |
1cd05a96 | 1556 | t |= ADDRIPV4; |
8e7d8c37 | 1557 | else if (strcasecmp(arg, "ip6address") == 0) |
1cd05a96 | 1558 | t |= ADDRIPV6; |
8e7d8c37 | 1559 | else if (strcasecmp(arg, "string") == 0) |
1cd05a96 | 1560 | t |= STRING; |
8e7d8c37 | 1561 | else if (strcasecmp(arg, "byte") == 0) |
1cd05a96 | 1562 | t |= UINT8; |
8e7d8c37 | 1563 | else if (strcasecmp(arg, "uint16") == 0) |
1cd05a96 | 1564 | t |= UINT16; |
8e7d8c37 | 1565 | else if (strcasecmp(arg, "int16") == 0) |
1cd05a96 | 1566 | t |= SINT16; |
8e7d8c37 | 1567 | else if (strcasecmp(arg, "uint32") == 0) |
1cd05a96 | 1568 | t |= UINT32; |
8e7d8c37 | 1569 | else if (strcasecmp(arg, "int32") == 0) |
1cd05a96 RM |
1570 | t |= SINT32; |
1571 | else if (strcasecmp(arg, "flag") == 0) | |
1572 | t |= FLAG; | |
8f008ca7 RM |
1573 | else if (strcasecmp(arg, "raw") == 0) |
1574 | t |= STRING | RAW; | |
1575 | else if (strcasecmp(arg, "ascii") == 0) | |
1576 | t |= STRING | ASCII; | |
8e7d8c37 | 1577 | else if (strcasecmp(arg, "domain") == 0) |
8f008ca7 RM |
1578 | t |= STRING | DOMAIN | RFC3397; |
1579 | else if (strcasecmp(arg, "dname") == 0) | |
1580 | t |= STRING | DOMAIN; | |
8e7d8c37 | 1581 | else if (strcasecmp(arg, "binhex") == 0) |
8f008ca7 | 1582 | t |= STRING | BINHEX; |
8e7d8c37 | 1583 | else if (strcasecmp(arg, "embed") == 0) |
03476881 | 1584 | t |= EMBED; |
8e7d8c37 | 1585 | else if (strcasecmp(arg, "encap") == 0) |
03476881 | 1586 | t |= ENCAP; |
1cd05a96 | 1587 | else if (strcasecmp(arg, "rfc3361") ==0) |
03476881 | 1588 | t |= STRING | RFC3361; |
dfee59d2 | 1589 | else if (strcasecmp(arg, "rfc3442") ==0) |
03476881 | 1590 | t |= STRING | RFC3442; |
1cd05a96 | 1591 | else if (strcasecmp(arg, "rfc5969") == 0) |
03476881 RM |
1592 | t |= STRING | RFC5969; |
1593 | else if (strcasecmp(arg, "option") == 0) | |
1594 | t |= OPTION; | |
8e7d8c37 RM |
1595 | else { |
1596 | syslog(LOG_ERR, "unknown type: %s", arg); | |
1597 | return -1; | |
1598 | } | |
b21cd906 RM |
1599 | if (l && !(t & (STRING | BINHEX))) { |
1600 | syslog(LOG_WARNING, | |
1601 | "ignoring length for type `%s'", arg); | |
1602 | l = 0; | |
1603 | } | |
8f008ca7 RM |
1604 | if (t & ARRAY && t & (STRING | BINHEX) && |
1605 | !(t & (RFC3397 | DOMAIN))) | |
1606 | { | |
63bdd2c2 RM |
1607 | syslog(LOG_WARNING, "ignoring array for strings"); |
1608 | t &= ~ARRAY; | |
1609 | } | |
8e7d8c37 | 1610 | /* variable */ |
d9fbb118 | 1611 | if (!fp) { |
03476881 RM |
1612 | if (!(t & OPTION)) { |
1613 | syslog(LOG_ERR, | |
1614 | "type %s requires a variable name", arg); | |
1615 | return -1; | |
1616 | } | |
1617 | np = NULL; | |
1618 | } else { | |
1619 | arg = strskipwhite(fp); | |
1620 | fp = strwhite(arg); | |
1621 | if (fp) | |
1622 | *fp++ = '\0'; | |
1623 | np = strdup(arg); | |
1624 | if (np == NULL) { | |
1625 | syslog(LOG_ERR, "%s: %m", __func__); | |
1626 | return -1; | |
1627 | } | |
8e7d8c37 | 1628 | } |
6714b786 | 1629 | if (opt != O_EMBED) { |
f132acc3 RM |
1630 | for (dl = 0, ndop = *dop; dl < *dop_len; dl++, ndop++) |
1631 | { | |
1cd05a96 RM |
1632 | /* type 0 seems freshly malloced struct |
1633 | * for us to use */ | |
7a911e57 | 1634 | if (ndop->option == u || ndop->type == 0) |
8e7d8c37 RM |
1635 | break; |
1636 | } | |
f132acc3 RM |
1637 | if (dl == *dop_len) |
1638 | ndop = NULL; | |
1639 | } else | |
1640 | ndop = NULL; | |
6714b786 | 1641 | if (ndop == NULL) { |
8e7d8c37 | 1642 | if ((ndop = realloc(*dop, |
f132acc3 RM |
1643 | sizeof(**dop) * ((*dop_len) + 1))) == NULL) |
1644 | { | |
8e7d8c37 | 1645 | syslog(LOG_ERR, "%s: %m", __func__); |
8fc52ced | 1646 | free(np); |
8e7d8c37 RM |
1647 | return -1; |
1648 | } | |
1649 | *dop = ndop; | |
1650 | ndop = &(*dop)[(*dop_len)++]; | |
8e7d8c37 RM |
1651 | ndop->embopts = NULL; |
1652 | ndop->embopts_len = 0; | |
1653 | ndop->encopts = NULL; | |
1654 | ndop->encopts_len = 0; | |
1655 | } else | |
1656 | free_dhcp_opt_embenc(ndop); | |
76bb4d03 | 1657 | ndop->option = (uint32_t)u; /* could have been 0 */ |
8e7d8c37 | 1658 | ndop->type = t; |
34457fe6 | 1659 | ndop->len = (size_t)l; |
bc22d277 | 1660 | ndop->var = np; |
8e7d8c37 | 1661 | /* Save the define for embed and encap options */ |
7a911e57 | 1662 | if (opt == O_DEFINE || opt == O_DEFINE6 || opt == O_VENDOPT) |
4eb7b489 | 1663 | *ldop = ndop; |
03476881 | 1664 | else if (opt == O_ENCAP) |
4eb7b489 | 1665 | *edop = ndop; |
8e7d8c37 | 1666 | break; |
7a911e57 RM |
1667 | case O_VENDCLASS: |
1668 | fp = strwhite(arg); | |
1669 | if (fp) | |
1670 | *fp++ = '\0'; | |
1671 | errno = 0; | |
1672 | u = strtoul(arg, &np, 0); | |
1673 | if (u > UINT32_MAX || errno != 0 || *np != '\0') { | |
1674 | syslog(LOG_ERR, "invalid code: %s", arg); | |
1675 | return -1; | |
1676 | } | |
1677 | if (fp) { | |
1678 | s = parse_string(NULL, 0, fp); | |
1679 | if (s == -1) { | |
1680 | syslog(LOG_ERR, "%s: %m", __func__); | |
1681 | return -1; | |
1682 | } | |
34457fe6 RM |
1683 | dl = (size_t)s; |
1684 | if (dl + (sizeof(uint16_t) * 2) > UINT16_MAX) { | |
7a911e57 RM |
1685 | syslog(LOG_ERR, "vendor class is too big"); |
1686 | return -1; | |
1687 | } | |
34457fe6 | 1688 | np = malloc(dl); |
7a911e57 RM |
1689 | if (np == NULL) { |
1690 | syslog(LOG_ERR, "%s: %m", __func__); | |
1691 | return -1; | |
1692 | } | |
34457fe6 | 1693 | parse_string(np, dl, fp); |
7a911e57 | 1694 | } else { |
34457fe6 | 1695 | dl = 0; |
7a911e57 RM |
1696 | np = NULL; |
1697 | } | |
900b6f94 RM |
1698 | vivco = realloc(ifo->vivco, sizeof(*ifo->vivco) * |
1699 | (ifo->vivco_len + 1)); | |
7a911e57 RM |
1700 | if (vivco == NULL) { |
1701 | syslog(LOG_ERR, "%s: %m", __func__); | |
1702 | return -1; | |
1703 | } | |
1704 | ifo->vivco = vivco; | |
76bb4d03 | 1705 | ifo->vivco_en = (uint32_t)u; |
7a911e57 | 1706 | vivco = &ifo->vivco[ifo->vivco_len++]; |
34457fe6 | 1707 | vivco->len = dl; |
7a911e57 RM |
1708 | vivco->data = (uint8_t *)np; |
1709 | break; | |
c73ed171 RM |
1710 | case O_AUTHPROTOCOL: |
1711 | fp = strwhite(arg); | |
1712 | if (fp) | |
1713 | *fp++ = '\0'; | |
1714 | if (strcasecmp(arg, "token") == 0) | |
1715 | ifo->auth.protocol = AUTH_PROTO_TOKEN; | |
1716 | else if (strcasecmp(arg, "delayed") == 0) | |
1717 | ifo->auth.protocol = AUTH_PROTO_DELAYED; | |
1718 | else if (strcasecmp(arg, "delayedrealm") == 0) | |
1719 | ifo->auth.protocol = AUTH_PROTO_DELAYEDREALM; | |
1720 | else { | |
1721 | syslog(LOG_ERR, "%s: unsupported protocol", arg); | |
1722 | return -1; | |
1723 | } | |
1724 | arg = strskipwhite(fp); | |
1725 | fp = strwhite(arg); | |
1726 | if (arg == NULL) { | |
1727 | ifo->auth.options |= DHCPCD_AUTH_SEND; | |
1728 | ifo->auth.algorithm = AUTH_ALG_HMAC_MD5; | |
1729 | ifo->auth.rdm = AUTH_RDM_MONOTONIC; | |
1730 | break; | |
1731 | } | |
1732 | if (fp) | |
1733 | *fp++ = '\0'; | |
1734 | if (strcasecmp(arg, "hmacmd5") == 0 || | |
1735 | strcasecmp(arg, "hmac-md5") == 0) | |
1736 | ifo->auth.algorithm = AUTH_ALG_HMAC_MD5; | |
1737 | else { | |
1738 | syslog(LOG_ERR, "%s: unsupported algorithm", arg); | |
1739 | return 1; | |
1740 | } | |
1741 | arg = fp; | |
1742 | if (arg == NULL) { | |
1743 | ifo->auth.options |= DHCPCD_AUTH_SEND; | |
1744 | ifo->auth.rdm = AUTH_RDM_MONOTONIC; | |
1745 | break; | |
1746 | } | |
cf0840ef RM |
1747 | if (strcasecmp(arg, "monocounter") == 0) { |
1748 | ifo->auth.rdm = AUTH_RDM_MONOTONIC; | |
1749 | ifo->auth.options |= DHCPCD_AUTH_RDM_COUNTER; | |
1750 | } else if (strcasecmp(arg, "monotonic") ==0 || | |
1751 | strcasecmp(arg, "monotime") == 0) | |
c73ed171 RM |
1752 | ifo->auth.rdm = AUTH_RDM_MONOTONIC; |
1753 | else { | |
1754 | syslog(LOG_ERR, "%s: unsupported RDM", arg); | |
1755 | return -1; | |
1756 | } | |
35fef8ed | 1757 | ifo->auth.options |= DHCPCD_AUTH_SEND; |
c73ed171 RM |
1758 | break; |
1759 | case O_AUTHTOKEN: | |
1760 | fp = strwhite(arg); | |
1761 | if (fp == NULL) { | |
1762 | syslog(LOG_ERR, "authtoken requires a realm"); | |
1763 | return -1; | |
1764 | } | |
1765 | *fp++ = '\0'; | |
1766 | token = malloc(sizeof(*token)); | |
1767 | if (token == NULL) { | |
1768 | syslog(LOG_ERR, "%s: %m", __func__); | |
a8c8e686 | 1769 | free(token); |
c73ed171 RM |
1770 | return -1; |
1771 | } | |
1772 | if (parse_uint32(&token->secretid, arg) == -1) { | |
1773 | syslog(LOG_ERR, "%s: not a number", arg); | |
1774 | free(token); | |
1775 | return -1; | |
1776 | } | |
1777 | arg = fp; | |
1778 | fp = strend(arg); | |
1779 | if (fp == NULL) { | |
1780 | syslog(LOG_ERR, "authtoken requies an a key"); | |
1781 | free(token); | |
1782 | return -1; | |
1783 | } | |
1784 | *fp++ = '\0'; | |
34457fe6 RM |
1785 | s = parse_string(NULL, 0, arg); |
1786 | if (s == -1) { | |
1787 | syslog(LOG_ERR, "realm_len: %m"); | |
a8c8e686 | 1788 | free(token); |
34457fe6 RM |
1789 | return -1; |
1790 | } | |
1791 | if (s) { | |
1792 | token->realm_len = (size_t)s; | |
c73ed171 RM |
1793 | token->realm = malloc(token->realm_len); |
1794 | if (token->realm == NULL) { | |
1795 | free(token); | |
1796 | syslog(LOG_ERR, "%s: %m", __func__); | |
1797 | return -1; | |
1798 | } | |
1799 | parse_string((char *)token->realm, token->realm_len, | |
1800 | arg); | |
34457fe6 RM |
1801 | } else { |
1802 | token->realm_len = 0; | |
1803 | token->realm = NULL; | |
c73ed171 RM |
1804 | } |
1805 | arg = fp; | |
1806 | fp = strend(arg); | |
1807 | if (fp == NULL) { | |
1808 | syslog(LOG_ERR, "authtoken requies an an expiry date"); | |
1809 | free(token->realm); | |
1810 | free(token); | |
1811 | return -1; | |
1812 | } | |
1813 | *fp++ = '\0'; | |
1814 | if (*arg == '"') { | |
1815 | arg++; | |
1816 | np = strchr(arg, '"'); | |
1817 | if (np) | |
1818 | *np = '\0'; | |
1819 | } | |
1820 | if (strcmp(arg, "0") == 0 || strcasecmp(arg, "forever") == 0) | |
1821 | token->expire =0; | |
1822 | else { | |
1823 | struct tm tm; | |
1824 | ||
1825 | memset(&tm, 0, sizeof(tm)); | |
1826 | if (strptime(arg, "%Y-%m-%d %H:%M", &tm) == NULL) { | |
1827 | syslog(LOG_ERR, "%s: invalid date time", arg); | |
1828 | free(token->realm); | |
1829 | free(token); | |
1830 | return -1; | |
1831 | } | |
1832 | if ((token->expire = mktime(&tm)) == (time_t)-1) { | |
1833 | syslog(LOG_ERR, "%s: mktime: %m", __func__); | |
1834 | free(token->realm); | |
1835 | free(token); | |
1836 | return -1; | |
1837 | } | |
1838 | } | |
1839 | arg = fp; | |
34457fe6 RM |
1840 | s = parse_string(NULL, 0, arg); |
1841 | if (s == -1 || s == 0) { | |
1842 | syslog(LOG_ERR, s == -1 ? "token_len: %m" : | |
1843 | "authtoken needs a key"); | |
c73ed171 RM |
1844 | free(token->realm); |
1845 | free(token); | |
1846 | return -1; | |
1847 | } | |
34457fe6 | 1848 | token->key_len = (size_t)s; |
c73ed171 RM |
1849 | token->key = malloc(token->key_len); |
1850 | parse_string((char *)token->key, token->key_len, arg); | |
1851 | TAILQ_INSERT_TAIL(&ifo->auth.tokens, token, next); | |
1852 | break; | |
1853 | case O_AUTHNOTREQUIRED: | |
1854 | ifo->auth.options &= ~DHCPCD_AUTH_REQUIRE; | |
1855 | break; | |
94bec972 RM |
1856 | case O_DHCP: |
1857 | ifo->options |= DHCPCD_DHCP | DHCPCD_IPV4; | |
1858 | break; | |
d4154ba7 RM |
1859 | case O_NODHCP: |
1860 | ifo->options &= ~DHCPCD_DHCP; | |
1861 | break; | |
94bec972 RM |
1862 | case O_DHCP6: |
1863 | ifo->options |= DHCPCD_DHCP6 | DHCPCD_IPV6; | |
1864 | break; | |
d4154ba7 RM |
1865 | case O_NODHCP6: |
1866 | ifo->options &= ~DHCPCD_DHCP6; | |
1867 | break; | |
a93e79c6 RM |
1868 | case O_CONTROLGRP: |
1869 | #ifdef _REENTRANT | |
1870 | l = sysconf(_SC_GETGR_R_SIZE_MAX); | |
1871 | if (l == -1) | |
1872 | dl = 1024; | |
1873 | else | |
1874 | dl = (size_t)l; | |
1875 | p = malloc(dl); | |
1876 | if (p == NULL) { | |
1877 | syslog(LOG_ERR, "%s: malloc: %m", __func__); | |
1878 | return -1; | |
1879 | } | |
1880 | while ((i = getgrnam_r(arg, &grpbuf, p, (size_t)l, &grp)) == | |
1881 | ERANGE) | |
1882 | { | |
1883 | size_t nl = dl * 2; | |
1884 | if (nl < dl) { | |
1885 | syslog(LOG_ERR, "control_group: out of buffer"); | |
1886 | free(p); | |
1887 | return -1; | |
1888 | } | |
1889 | dl = nl; | |
1890 | np = realloc(p, dl); | |
1891 | if (np == NULL) { | |
1892 | syslog(LOG_ERR, "control_group: realloc: %m"); | |
1893 | free(p); | |
1894 | return -1; | |
1895 | } | |
1896 | p = np; | |
1897 | } | |
1898 | if (i != 0) { | |
1899 | errno = i; | |
1900 | syslog(LOG_ERR, "getgrnam_r: %m"); | |
1901 | free(p); | |
1902 | return -1; | |
1903 | } | |
1904 | if (grp == NULL) { | |
1905 | syslog(LOG_ERR, "controlgroup: %s: not found", arg); | |
1906 | free(p); | |
1907 | return -1; | |
1908 | } | |
1909 | ctx->control_group = grp->gr_gid; | |
1910 | free(p); | |
1911 | #else | |
1912 | grp = getgrnam(arg); | |
1913 | if (grp == NULL) { | |
1914 | syslog(LOG_ERR, "controlgroup: %s: not found", arg); | |
1915 | return -1; | |
1916 | } | |
1917 | ctx->control_group = grp->gr_gid; | |
1918 | #endif | |
1919 | break; | |
ee56a47d RM |
1920 | case O_GATEWAY: |
1921 | ifo->options |= DHCPCD_GATEWAY; | |
1922 | break; | |
1aeaf0e7 RM |
1923 | case O_SLAAC: |
1924 | if (strcmp(arg, "private") == 0 || | |
1925 | strcmp(arg, "stableprivate") == 0 || | |
1926 | strcmp(arg, "stable") == 0) | |
1927 | ifo->options |= DHCPCD_SLAACPRIVATE; | |
1928 | else | |
1929 | ifo->options &= ~DHCPCD_SLAACPRIVATE; | |
3ed12ab8 | 1930 | break; |
9d5cb9f9 RM |
1931 | case O_PFXDLGMIX: |
1932 | ifo->options |= DHCPCD_PFXDLGMIX; | |
fb8a0db7 | 1933 | break; |
fd05b7dc RM |
1934 | default: |
1935 | return 0; | |
1936 | } | |
1937 | ||
1938 | return 1; | |
1939 | } | |
1940 | ||
1941 | static int | |
4eb7b489 RM |
1942 | parse_config_line(struct dhcpcd_ctx *ctx, const char *ifname, |
1943 | struct if_options *ifo, const char *opt, char *line, | |
1944 | struct dhcp_opt **ldop, struct dhcp_opt **edop) | |
fd05b7dc RM |
1945 | { |
1946 | unsigned int i; | |
1947 | ||
1948 | for (i = 0; i < sizeof(cf_options) / sizeof(cf_options[0]); i++) { | |
1949 | if (!cf_options[i].name || | |
1950 | strcmp(cf_options[i].name, opt) != 0) | |
1951 | continue; | |
1952 | ||
1953 | if (cf_options[i].has_arg == required_argument && !line) { | |
1954 | fprintf(stderr, | |
eab2229c RM |
1955 | PACKAGE ": option requires an argument -- %s\n", |
1956 | opt); | |
fd05b7dc RM |
1957 | return -1; |
1958 | } | |
1959 | ||
4eb7b489 RM |
1960 | return parse_option(ctx, ifname, ifo, cf_options[i].val, line, |
1961 | ldop, edop); | |
fd05b7dc RM |
1962 | } |
1963 | ||
4eb7b489 | 1964 | syslog(LOG_ERR, "unknown option: %s", opt); |
fd05b7dc RM |
1965 | return -1; |
1966 | } | |
1967 | ||
741f46c6 | 1968 | static void |
b0272a9d | 1969 | finish_config(struct if_options *ifo) |
741f46c6 RM |
1970 | { |
1971 | ||
1972 | /* Terminate the encapsulated options */ | |
1973 | if (ifo->vendor[0] && !(ifo->options & DHCPCD_VENDORRAW)) { | |
1974 | ifo->vendor[0]++; | |
1975 | ifo->vendor[ifo->vendor[0]] = DHO_END; | |
aeddc61a RM |
1976 | /* We are called twice. |
1977 | * This should be fixed, but in the meantime, this | |
1978 | * guard should suffice */ | |
1979 | ifo->options |= DHCPCD_VENDORRAW; | |
741f46c6 | 1980 | } |
b0272a9d | 1981 | } |
741f46c6 | 1982 | |
c1b54b57 RM |
1983 | /* Handy routine to read very long lines in text files. |
1984 | * This means we read the whole line and avoid any nasty buffer overflows. | |
1985 | * We strip leading space and avoid comment lines, making the code that calls | |
1986 | * us smaller. */ | |
1987 | static char * | |
4eb7b489 RM |
1988 | get_line(char ** __restrict buf, size_t * __restrict buflen, |
1989 | FILE * __restrict fp) | |
c1b54b57 RM |
1990 | { |
1991 | char *p; | |
1992 | ssize_t bytes; | |
1993 | ||
1994 | do { | |
1995 | bytes = getline(buf, buflen, fp); | |
1996 | if (bytes == -1) | |
1997 | return NULL; | |
1998 | for (p = *buf; *p == ' ' || *p == '\t'; p++) | |
1999 | ; | |
2000 | } while (*p == '\0' || *p == '\n' || *p == '#' || *p == ';'); | |
2001 | if ((*buf)[--bytes] == '\n') | |
2002 | (*buf)[bytes] = '\0'; | |
2003 | return p; | |
2004 | } | |
2005 | ||
fd05b7dc | 2006 | struct if_options * |
4eb7b489 | 2007 | read_config(struct dhcpcd_ctx *ctx, |
6f767217 | 2008 | const char *ifname, const char *ssid, const char *profile) |
fd05b7dc RM |
2009 | { |
2010 | struct if_options *ifo; | |
c1b54b57 RM |
2011 | FILE *fp; |
2012 | char *line, *buf, *option, *p; | |
2013 | size_t buflen; | |
fec195b5 | 2014 | ssize_t vlen; |
6f767217 | 2015 | int skip = 0, have_profile = 0; |
1cd05a96 | 2016 | #ifndef EMBEDDED_CONFIG |
e2e644e9 | 2017 | const char * const *e; |
c1b54b57 | 2018 | size_t ol; |
1cd05a96 | 2019 | #endif |
d9fbb118 | 2020 | #if !defined(INET) || !defined(INET6) |
10cac699 | 2021 | size_t i; |
d9fbb118 RM |
2022 | struct dhcp_opt *opt; |
2023 | #endif | |
4eb7b489 | 2024 | struct dhcp_opt *ldop, *edop; |
fd05b7dc RM |
2025 | |
2026 | /* Seed our default options */ | |
10e17e3f RM |
2027 | ifo = calloc(1, sizeof(*ifo)); |
2028 | if (ifo == NULL) { | |
2029 | syslog(LOG_ERR, "%s: %m", __func__); | |
2030 | return NULL; | |
2031 | } | |
aae24feb | 2032 | ifo->options |= DHCPCD_DAEMONISE | DHCPCD_LINK; |
413652c1 RM |
2033 | #ifdef PLUGIN_DEV |
2034 | ifo->options |= DHCPCD_DEV; | |
2035 | #endif | |
aae24feb | 2036 | #ifdef INET |
d4154ba7 | 2037 | ifo->options |= DHCPCD_IPV4 | DHCPCD_DHCP | DHCPCD_IPV4LL; |
00ababe4 | 2038 | ifo->options |= DHCPCD_GATEWAY | DHCPCD_ARP; |
aae24feb RM |
2039 | #endif |
2040 | #ifdef INET6 | |
62f12387 RM |
2041 | ifo->options |= DHCPCD_IPV6 | DHCPCD_IPV6RS; |
2042 | ifo->options |= DHCPCD_IPV6RA_AUTOCONF | DHCPCD_IPV6RA_REQRDNSS; | |
d4154ba7 | 2043 | ifo->options |= DHCPCD_DHCP6; |
aae24feb | 2044 | #endif |
fd05b7dc | 2045 | ifo->timeout = DEFAULT_TIMEOUT; |
a2a9a498 | 2046 | ifo->reboot = DEFAULT_REBOOT; |
f43e5853 | 2047 | ifo->metric = -1; |
c73ed171 RM |
2048 | ifo->auth.options |= DHCPCD_AUTH_REQUIRE; |
2049 | TAILQ_INIT(&ifo->auth.tokens); | |
793c4286 | 2050 | |
fec195b5 RM |
2051 | vlen = dhcp_vendor((char *)ifo->vendorclassid + 1, |
2052 | sizeof(ifo->vendorclassid) - 1); | |
2053 | ifo->vendorclassid[0] = vlen == -1 ? 0 : (uint8_t)vlen; | |
fd05b7dc | 2054 | |
c1b54b57 RM |
2055 | buf = NULL; |
2056 | buflen = 0; | |
2057 | ||
8e7d8c37 | 2058 | /* Parse our embedded options file */ |
1cd05a96 RM |
2059 | if (ifname == NULL) { |
2060 | /* Space for initial estimates */ | |
2061 | #if defined(INET) && defined(INITDEFINES) | |
2062 | ifo->dhcp_override = | |
2063 | calloc(INITDEFINES, sizeof(*ifo->dhcp_override)); | |
2064 | if (ifo->dhcp_override == NULL) | |
2065 | syslog(LOG_ERR, "%s: %m", __func__); | |
2066 | else | |
2067 | ifo->dhcp_override_len = INITDEFINES; | |
2068 | #endif | |
2069 | ||
2070 | #if defined(INET6) && defined(INITDEFINE6S) | |
2071 | ifo->dhcp6_override = | |
2072 | calloc(INITDEFINE6S, sizeof(*ifo->dhcp6_override)); | |
2073 | if (ifo->dhcp6_override == NULL) | |
2074 | syslog(LOG_ERR, "%s: %m", __func__); | |
2075 | else | |
d9fbb118 | 2076 | ifo->dhcp6_override_len = INITDEFINE6S; |
1cd05a96 RM |
2077 | #endif |
2078 | ||
2079 | /* Now load our embedded config */ | |
2080 | #ifdef EMBEDDED_CONFIG | |
c1b54b57 RM |
2081 | fp = fopen(EMBEDDED_CONFIG, "r"); |
2082 | if (fp == NULL) | |
1cd05a96 RM |
2083 | syslog(LOG_ERR, "fopen `%s': %m", EMBEDDED_CONFIG); |
2084 | ||
c1b54b57 | 2085 | while (fp && (line = get_line(&buf, &buflen, fp))) { |
1cd05a96 | 2086 | #else |
a319fa53 RM |
2087 | buflen = 80; |
2088 | buf = malloc(buflen); | |
2089 | if (buf == NULL) { | |
1cd05a96 RM |
2090 | syslog(LOG_ERR, "%s: %m", __func__); |
2091 | return NULL; | |
2092 | } | |
4eb7b489 | 2093 | ldop = edop = NULL; |
1cd05a96 RM |
2094 | for (e = dhcpcd_embedded_conf; *e; e++) { |
2095 | ol = strlen(*e) + 1; | |
a319fa53 | 2096 | if (ol > buflen) { |
a319fa53 | 2097 | buflen = ol; |
967db595 | 2098 | buf = realloc(buf, buflen); |
a319fa53 | 2099 | if (buf == NULL) { |
1cd05a96 | 2100 | syslog(LOG_ERR, "%s: %m", __func__); |
967db595 | 2101 | free(buf); |
1cd05a96 RM |
2102 | return NULL; |
2103 | } | |
2104 | } | |
a319fa53 RM |
2105 | memcpy(buf, *e, ol); |
2106 | line = buf; | |
1cd05a96 | 2107 | #endif |
8e7d8c37 | 2108 | option = strsep(&line, " \t"); |
ab371aa6 RM |
2109 | if (line) |
2110 | line = strskipwhite(line); | |
8e7d8c37 RM |
2111 | /* Trim trailing whitespace */ |
2112 | if (line && *line) { | |
2113 | p = line + strlen(line) - 1; | |
2114 | while (p != line && | |
2115 | (*p == ' ' || *p == '\t') && | |
2116 | *(p - 1) != '\\') | |
2117 | *p-- = '\0'; | |
2118 | } | |
4eb7b489 RM |
2119 | parse_config_line(ctx, NULL, ifo, option, line, |
2120 | &ldop, &edop); | |
1cd05a96 | 2121 | |
8e7d8c37 | 2122 | } |
1cd05a96 RM |
2123 | |
2124 | #ifdef EMBEDDED_CONFIG | |
c1b54b57 RM |
2125 | if (fp) |
2126 | fclose(fp); | |
1cd05a96 RM |
2127 | #endif |
2128 | #ifdef INET | |
4eb7b489 RM |
2129 | ctx->dhcp_opts = ifo->dhcp_override; |
2130 | ctx->dhcp_opts_len = ifo->dhcp_override_len; | |
1cd05a96 | 2131 | #else |
d9fbb118 RM |
2132 | for (i = 0, opt = ifo->dhcp_override; |
2133 | i < ifo->dhcp_override_len; | |
2134 | i++, opt++) | |
2135 | free_dhcp_opt_embenc(opt); | |
1cd05a96 RM |
2136 | free(ifo->dhcp_override); |
2137 | #endif | |
2138 | ifo->dhcp_override = NULL; | |
2139 | ifo->dhcp_override_len = 0; | |
2140 | ||
2141 | #ifdef INET6 | |
4eb7b489 RM |
2142 | ctx->dhcp6_opts = ifo->dhcp6_override; |
2143 | ctx->dhcp6_opts_len = ifo->dhcp6_override_len; | |
1cd05a96 | 2144 | #else |
d9fbb118 | 2145 | for (i = 0, opt = ifo->dhcp6_override; |
10cac699 | 2146 | i < ifo->dhcp6_override_len; |
d9fbb118 RM |
2147 | i++, opt++) |
2148 | free_dhcp_opt_embenc(opt); | |
1cd05a96 RM |
2149 | free(ifo->dhcp6_override); |
2150 | #endif | |
2151 | ifo->dhcp6_override = NULL; | |
2152 | ifo->dhcp6_override_len = 0; | |
7a911e57 | 2153 | |
4eb7b489 RM |
2154 | ctx->vivso = ifo->vivso_override; |
2155 | ctx->vivso_len = ifo->vivso_override_len; | |
7a911e57 RM |
2156 | ifo->vivso_override = NULL; |
2157 | ifo->vivso_override_len = 0; | |
8e7d8c37 RM |
2158 | } |
2159 | ||
fd05b7dc | 2160 | /* Parse our options file */ |
4eb7b489 | 2161 | fp = fopen(ctx->cffile, "r"); |
c1b54b57 | 2162 | if (fp == NULL) { |
4eb7b489 RM |
2163 | if (strcmp(ctx->cffile, CONFIG)) |
2164 | syslog(LOG_ERR, "fopen `%s': %m", ctx->cffile); | |
c1b54b57 | 2165 | free(buf); |
fd05b7dc | 2166 | return ifo; |
5e2062a4 | 2167 | } |
fd05b7dc | 2168 | |
4eb7b489 | 2169 | ldop = edop = NULL; |
c1b54b57 | 2170 | while ((line = get_line(&buf, &buflen, fp))) { |
e1caa8db | 2171 | option = strsep(&line, " \t"); |
ab371aa6 RM |
2172 | if (line) |
2173 | line = strskipwhite(line); | |
fd05b7dc RM |
2174 | /* Trim trailing whitespace */ |
2175 | if (line && *line) { | |
2176 | p = line + strlen(line) - 1; | |
2177 | while (p != line && | |
eab2229c RM |
2178 | (*p == ' ' || *p == '\t') && |
2179 | *(p - 1) != '\\') | |
fd05b7dc RM |
2180 | *p-- = '\0'; |
2181 | } | |
2182 | /* Start of an interface block, skip if not ours */ | |
2183 | if (strcmp(option, "interface") == 0) { | |
4d91c2e7 RM |
2184 | char **n; |
2185 | ||
fd05b7dc RM |
2186 | if (ifname && line && strcmp(line, ifname) == 0) |
2187 | skip = 0; | |
2188 | else | |
2189 | skip = 1; | |
4d91c2e7 RM |
2190 | if (ifname) |
2191 | continue; | |
2192 | ||
2193 | n = realloc(ctx->ifcv, | |
2194 | sizeof(char *) * ((size_t)ctx->ifcc + 1)); | |
2195 | if (n == NULL) { | |
2196 | syslog(LOG_ERR, "%s: %m", __func__); | |
2197 | continue; | |
2198 | } | |
2199 | ctx->ifcv = n; | |
2200 | ctx->ifcv[ctx->ifcc] = strdup(line); | |
2201 | if (ctx->ifcv[ctx->ifcc] == NULL) { | |
2202 | syslog(LOG_ERR, "%s: %m", __func__); | |
2203 | continue; | |
2204 | } | |
2205 | ctx->ifcc++; | |
2206 | syslog(LOG_DEBUG, "allowing interface %s", | |
2207 | ctx->ifcv[ctx->ifcc - 1]); | |
fd05b7dc | 2208 | continue; |
c53cf4ef RM |
2209 | } |
2210 | /* Start of an ssid block, skip if not ours */ | |
2211 | if (strcmp(option, "ssid") == 0) { | |
2212 | if (ssid && line && strcmp(line, ssid) == 0) | |
2213 | skip = 0; | |
2214 | else | |
2215 | skip = 1; | |
2216 | continue; | |
fd05b7dc | 2217 | } |
6f767217 RM |
2218 | /* Start of a profile block, skip if not ours */ |
2219 | if (strcmp(option, "profile") == 0) { | |
2220 | if (profile && line && strcmp(line, profile) == 0) { | |
2221 | skip = 0; | |
2222 | have_profile = 1; | |
2223 | } else | |
2224 | skip = 1; | |
2225 | continue; | |
2226 | } | |
ba7a34fb RM |
2227 | /* Skip arping if we have selected a profile but not parsing |
2228 | * one. */ | |
2229 | if (profile && !have_profile && strcmp(option, "arping") == 0) | |
2230 | continue; | |
fd05b7dc RM |
2231 | if (skip) |
2232 | continue; | |
4eb7b489 | 2233 | parse_config_line(ctx, ifname, ifo, option, line, &ldop, &edop); |
fd05b7dc | 2234 | } |
c1b54b57 RM |
2235 | fclose(fp); |
2236 | free(buf); | |
fd05b7dc | 2237 | |
6f767217 RM |
2238 | if (profile && !have_profile) { |
2239 | free_options(ifo); | |
2240 | errno = ENOENT; | |
658bfd5e | 2241 | return NULL; |
6f767217 RM |
2242 | } |
2243 | ||
b0272a9d | 2244 | finish_config(ifo); |
fd05b7dc RM |
2245 | return ifo; |
2246 | } | |
2247 | ||
2248 | int | |
4eb7b489 RM |
2249 | add_options(struct dhcpcd_ctx *ctx, const char *ifname, |
2250 | struct if_options *ifo, int argc, char **argv) | |
fd05b7dc | 2251 | { |
29c0fd6f RM |
2252 | int oi, opt, r; |
2253 | ||
2254 | if (argc == 0) | |
2255 | return 1; | |
fd05b7dc RM |
2256 | |
2257 | optind = 0; | |
29c0fd6f | 2258 | r = 1; |
fd05b7dc RM |
2259 | while ((opt = getopt_long(argc, argv, IF_OPTS, cf_options, &oi)) != -1) |
2260 | { | |
4eb7b489 | 2261 | r = parse_option(ctx, ifname, ifo, opt, optarg, NULL, NULL); |
fd05b7dc RM |
2262 | if (r != 1) |
2263 | break; | |
2264 | } | |
741f46c6 | 2265 | |
b0272a9d | 2266 | finish_config(ifo); |
fd05b7dc RM |
2267 | return r; |
2268 | } | |
2269 | ||
2270 | void | |
2271 | free_options(struct if_options *ifo) | |
2272 | { | |
2273 | size_t i; | |
d9fbb118 | 2274 | struct dhcp_opt *opt; |
900b6f94 | 2275 | struct vivco *vo; |
c73ed171 | 2276 | struct token *token; |
fd05b7dc | 2277 | |
f43e5853 RM |
2278 | if (ifo) { |
2279 | if (ifo->environ) { | |
2280 | i = 0; | |
2281 | while (ifo->environ[i]) | |
2282 | free(ifo->environ[i++]); | |
2283 | free(ifo->environ); | |
2284 | } | |
91a44b91 RM |
2285 | if (ifo->config) { |
2286 | i = 0; | |
2287 | while (ifo->config[i]) | |
2288 | free(ifo->config[i++]); | |
2289 | free(ifo->config); | |
2290 | } | |
e88c525f | 2291 | ipv4_freeroutes(ifo->routes); |
1681b126 | 2292 | free(ifo->script); |
ff021b0b | 2293 | free(ifo->arping); |
f43e5853 | 2294 | free(ifo->blacklist); |
ff021b0b | 2295 | free(ifo->fallback); |
8e7d8c37 | 2296 | |
59a555cd RM |
2297 | for (opt = ifo->dhcp_override; |
2298 | ifo->dhcp_override_len > 0; | |
2299 | opt++, ifo->dhcp_override_len--) | |
d9fbb118 | 2300 | free_dhcp_opt_embenc(opt); |
8e7d8c37 | 2301 | free(ifo->dhcp_override); |
59a555cd RM |
2302 | for (opt = ifo->dhcp6_override; |
2303 | ifo->dhcp6_override_len > 0; | |
2304 | opt++, ifo->dhcp6_override_len--) | |
7a911e57 RM |
2305 | free_dhcp_opt_embenc(opt); |
2306 | free(ifo->dhcp6_override); | |
59a555cd RM |
2307 | for (vo = ifo->vivco; |
2308 | ifo->vivco_len > 0; | |
2309 | vo++, ifo->vivco_len--) | |
900b6f94 RM |
2310 | free(vo->data); |
2311 | free(ifo->vivco); | |
59a555cd RM |
2312 | for (opt = ifo->vivso_override; |
2313 | ifo->vivso_override_len > 0; | |
2314 | opt++, ifo->vivso_override_len--) | |
7a911e57 | 2315 | free_dhcp_opt_embenc(opt); |
900b6f94 | 2316 | free(ifo->vivso_override); |
8e7d8c37 | 2317 | |
00ababe4 | 2318 | #ifdef INET6 |
59a555cd RM |
2319 | for (; ifo->ia_len > 0; ifo->ia_len--) |
2320 | free(ifo->ia[ifo->ia_len - 1].sla); | |
00ababe4 | 2321 | #endif |
ebc9d360 RM |
2322 | free(ifo->ia); |
2323 | ||
c73ed171 RM |
2324 | while ((token = TAILQ_FIRST(&ifo->auth.tokens))) { |
2325 | TAILQ_REMOVE(&ifo->auth.tokens, token, next); | |
2326 | if (token->realm_len) | |
2327 | free(token->realm); | |
2328 | free(token->key); | |
2329 | free(token); | |
2330 | } | |
f43e5853 | 2331 | free(ifo); |
fd05b7dc | 2332 | } |
fd05b7dc | 2333 | } |