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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> |
727d8459 | 31 | #include <sys/stat.h> |
fd05b7dc RM |
32 | #include <sys/types.h> |
33 | ||
34 | #include <arpa/inet.h> | |
35 | ||
36 | #include <ctype.h> | |
37 | #include <errno.h> | |
38 | #include <getopt.h> | |
a93e79c6 | 39 | #include <grp.h> |
f94b4eab | 40 | #include <inttypes.h> |
0d0c5f66 | 41 | #include <limits.h> |
fd05b7dc RM |
42 | #include <paths.h> |
43 | #include <stdio.h> | |
44 | #include <stdlib.h> | |
45 | #include <string.h> | |
46 | #include <unistd.h> | |
47 | #include <time.h> | |
48 | ||
fd05b7dc | 49 | #include "config.h" |
9f7780b0 | 50 | #include "common.h" |
d7555c12 RM |
51 | #include "dhcp.h" |
52 | #include "dhcp6.h" | |
1cd05a96 | 53 | #include "dhcpcd-embedded.h" |
b825b39f | 54 | #include "if.h" |
fd05b7dc | 55 | #include "if-options.h" |
e88c525f | 56 | #include "ipv4.h" |
fd05b7dc | 57 | |
4ca7460f RM |
58 | /* These options only make sense in the config file, so don't use any |
59 | valid short options for them */ | |
eebe9a18 RM |
60 | #define O_BASE MAX('z', 'Z') + 1 |
61 | #define O_ARPING O_BASE + 1 | |
62 | #define O_FALLBACK O_BASE + 2 | |
63 | #define O_DESTINATION O_BASE + 3 | |
64 | #define O_IPV6RS O_BASE + 4 | |
00ababe4 RM |
65 | #define O_NOIPV6RS O_BASE + 5 |
66 | #define O_IPV6RA_FORK O_BASE + 6 | |
eebe9a18 RM |
67 | #define O_IPV6RA_OWN O_BASE + 7 |
68 | #define O_IPV6RA_OWN_D O_BASE + 8 | |
7dab081f | 69 | #define O_NOALIAS O_BASE + 9 |
00ababe4 RM |
70 | #define O_IA_NA O_BASE + 10 |
71 | #define O_IA_TA O_BASE + 11 | |
72 | #define O_IA_PD O_BASE + 12 | |
d6a18654 | 73 | #define O_HOSTNAME_SHORT O_BASE + 13 |
413652c1 RM |
74 | #define O_DEV O_BASE + 14 |
75 | #define O_NODEV O_BASE + 15 | |
bb8051bf RM |
76 | #define O_NOIPV4 O_BASE + 16 |
77 | #define O_NOIPV6 O_BASE + 17 | |
ebc9d360 | 78 | #define O_IAID O_BASE + 18 |
8e7d8c37 RM |
79 | #define O_DEFINE O_BASE + 19 |
80 | #define O_DEFINE6 O_BASE + 20 | |
81 | #define O_EMBED O_BASE + 21 | |
82 | #define O_ENCAP O_BASE + 22 | |
7a911e57 RM |
83 | #define O_VENDOPT O_BASE + 23 |
84 | #define O_VENDCLASS O_BASE + 24 | |
c73ed171 RM |
85 | #define O_AUTHPROTOCOL O_BASE + 25 |
86 | #define O_AUTHTOKEN O_BASE + 26 | |
87 | #define O_AUTHNOTREQUIRED O_BASE + 27 | |
d4154ba7 RM |
88 | #define O_NODHCP O_BASE + 28 |
89 | #define O_NODHCP6 O_BASE + 29 | |
94bec972 RM |
90 | #define O_DHCP O_BASE + 30 |
91 | #define O_DHCP6 O_BASE + 31 | |
92 | #define O_IPV4 O_BASE + 32 | |
93 | #define O_IPV6 O_BASE + 33 | |
a93e79c6 | 94 | #define O_CONTROLGRP O_BASE + 34 |
1aeaf0e7 | 95 | #define O_SLAAC O_BASE + 35 |
ee56a47d | 96 | #define O_GATEWAY O_BASE + 36 |
1f7bfb39 | 97 | // unassigned O_BASE + 37 |
62f12387 RM |
98 | #define O_IPV6RA_AUTOCONF O_BASE + 38 |
99 | #define O_IPV6RA_NOAUTOCONF O_BASE + 39 | |
85bff648 | 100 | #define O_REJECT O_BASE + 40 |
4f0240bf | 101 | #define O_IPV6RA_ACCEPT_NOPUBLIC O_BASE + 41 |
8f924434 | 102 | #define O_BOOTP O_BASE + 42 |
2be15e88 | 103 | #define O_DEFINEND O_BASE + 43 |
f572315d | 104 | #define O_NODELAY O_BASE + 44 |
413652c1 | 105 | |
fd05b7dc | 106 | const struct option cf_options[] = { |
ba97e494 RM |
107 | {"background", no_argument, NULL, 'b'}, |
108 | {"script", required_argument, NULL, 'c'}, | |
109 | {"debug", no_argument, NULL, 'd'}, | |
6bfd88f1 | 110 | {"env", required_argument, NULL, 'e'}, |
ba97e494 | 111 | {"config", required_argument, NULL, 'f'}, |
6bfd88f1 | 112 | {"reconfigure", no_argument, NULL, 'g'}, |
ba97e494 RM |
113 | {"hostname", optional_argument, NULL, 'h'}, |
114 | {"vendorclassid", optional_argument, NULL, 'i'}, | |
069e2f28 | 115 | {"logfile", required_argument, NULL, 'j'}, |
ba97e494 RM |
116 | {"release", no_argument, NULL, 'k'}, |
117 | {"leasetime", required_argument, NULL, 'l'}, | |
118 | {"metric", required_argument, NULL, 'm'}, | |
119 | {"rebind", no_argument, NULL, 'n'}, | |
120 | {"option", required_argument, NULL, 'o'}, | |
121 | {"persistent", no_argument, NULL, 'p'}, | |
122 | {"quiet", no_argument, NULL, 'q'}, | |
123 | {"request", optional_argument, NULL, 'r'}, | |
124 | {"inform", optional_argument, NULL, 's'}, | |
125 | {"timeout", required_argument, NULL, 't'}, | |
126 | {"userclass", required_argument, NULL, 'u'}, | |
127 | {"vendor", required_argument, NULL, 'v'}, | |
7013b073 | 128 | {"waitip", optional_argument, NULL, 'w'}, |
ba97e494 | 129 | {"exit", no_argument, NULL, 'x'}, |
d3088c74 | 130 | {"allowinterfaces", required_argument, NULL, 'z'}, |
a2a9a498 | 131 | {"reboot", required_argument, NULL, 'y'}, |
ba97e494 RM |
132 | {"noarp", no_argument, NULL, 'A'}, |
133 | {"nobackground", no_argument, NULL, 'B'}, | |
134 | {"nohook", required_argument, NULL, 'C'}, | |
135 | {"duid", no_argument, NULL, 'D'}, | |
136 | {"lastlease", no_argument, NULL, 'E'}, | |
137 | {"fqdn", optional_argument, NULL, 'F'}, | |
138 | {"nogateway", no_argument, NULL, 'G'}, | |
00ababe4 | 139 | {"xidhwaddr", no_argument, NULL, 'H'}, |
ba97e494 | 140 | {"clientid", optional_argument, NULL, 'I'}, |
900b3da4 | 141 | {"broadcast", no_argument, NULL, 'J'}, |
ba97e494 RM |
142 | {"nolink", no_argument, NULL, 'K'}, |
143 | {"noipv4ll", no_argument, NULL, 'L'}, | |
b3174181 | 144 | {"master", no_argument, NULL, 'M'}, |
ba97e494 RM |
145 | {"nooption", optional_argument, NULL, 'O'}, |
146 | {"require", required_argument, NULL, 'Q'}, | |
91a44b91 | 147 | {"static", required_argument, NULL, 'S'}, |
ba97e494 | 148 | {"test", no_argument, NULL, 'T'}, |
dc60cba4 | 149 | {"dumplease", no_argument, NULL, 'U'}, |
ba97e494 | 150 | {"variables", no_argument, NULL, 'V'}, |
bf80d526 | 151 | {"whitelist", required_argument, NULL, 'W'}, |
ba97e494 | 152 | {"blacklist", required_argument, NULL, 'X'}, |
d3088c74 | 153 | {"denyinterfaces", required_argument, NULL, 'Z'}, |
4ca7460f | 154 | {"arping", required_argument, NULL, O_ARPING}, |
41c60e02 | 155 | {"destination", required_argument, NULL, O_DESTINATION}, |
ff021b0b | 156 | {"fallback", required_argument, NULL, O_FALLBACK}, |
eebe9a18 | 157 | {"ipv6rs", no_argument, NULL, O_IPV6RS}, |
91cd7324 | 158 | {"noipv6rs", no_argument, NULL, O_NOIPV6RS}, |
62f12387 RM |
159 | {"ipv6ra_autoconf", no_argument, NULL, O_IPV6RA_AUTOCONF}, |
160 | {"ipv6ra_noautoconf", no_argument, NULL, O_IPV6RA_NOAUTOCONF}, | |
eebe9a18 RM |
161 | {"ipv6ra_fork", no_argument, NULL, O_IPV6RA_FORK}, |
162 | {"ipv6ra_own", no_argument, NULL, O_IPV6RA_OWN}, | |
163 | {"ipv6ra_own_default", no_argument, NULL, O_IPV6RA_OWN_D}, | |
4f0240bf | 164 | {"ipv6ra_accept_nopublic", no_argument, NULL, O_IPV6RA_ACCEPT_NOPUBLIC}, |
d7555c12 RM |
165 | {"ipv4only", no_argument, NULL, '4'}, |
166 | {"ipv6only", no_argument, NULL, '6'}, | |
94bec972 | 167 | {"ipv4", no_argument, NULL, O_IPV4}, |
bb8051bf | 168 | {"noipv4", no_argument, NULL, O_NOIPV4}, |
94bec972 | 169 | {"ipv6", no_argument, NULL, O_IPV6}, |
bb8051bf | 170 | {"noipv6", no_argument, NULL, O_NOIPV6}, |
7dab081f | 171 | {"noalias", no_argument, NULL, O_NOALIAS}, |
7a911e57 | 172 | {"iaid", required_argument, NULL, O_IAID}, |
00ababe4 RM |
173 | {"ia_na", no_argument, NULL, O_IA_NA}, |
174 | {"ia_ta", no_argument, NULL, O_IA_TA}, | |
175 | {"ia_pd", no_argument, NULL, O_IA_PD}, | |
d6a18654 | 176 | {"hostname_short", no_argument, NULL, O_HOSTNAME_SHORT}, |
413652c1 RM |
177 | {"dev", required_argument, NULL, O_DEV}, |
178 | {"nodev", no_argument, NULL, O_NODEV}, | |
7a911e57 | 179 | {"define", required_argument, NULL, O_DEFINE}, |
2be15e88 | 180 | {"definend", required_argument, NULL, O_DEFINEND}, |
7a911e57 RM |
181 | {"define6", required_argument, NULL, O_DEFINE6}, |
182 | {"embed", required_argument, NULL, O_EMBED}, | |
183 | {"encap", required_argument, NULL, O_ENCAP}, | |
184 | {"vendopt", required_argument, NULL, O_VENDOPT}, | |
185 | {"vendclass", required_argument, NULL, O_VENDCLASS}, | |
c73ed171 RM |
186 | {"authprotocol", required_argument, NULL, O_AUTHPROTOCOL}, |
187 | {"authtoken", required_argument, NULL, O_AUTHTOKEN}, | |
188 | {"noauthrequired", no_argument, NULL, O_AUTHNOTREQUIRED}, | |
94bec972 | 189 | {"dhcp", no_argument, NULL, O_DHCP}, |
d4154ba7 | 190 | {"nodhcp", no_argument, NULL, O_NODHCP}, |
94bec972 | 191 | {"dhcp6", no_argument, NULL, O_DHCP6}, |
d4154ba7 | 192 | {"nodhcp6", no_argument, NULL, O_NODHCP6}, |
a93e79c6 | 193 | {"controlgroup", required_argument, NULL, O_CONTROLGRP}, |
1aeaf0e7 | 194 | {"slaac", required_argument, NULL, O_SLAAC}, |
3d3e410f | 195 | {"gateway", no_argument, NULL, O_GATEWAY}, |
85bff648 | 196 | {"reject", required_argument, NULL, O_REJECT}, |
8f924434 | 197 | {"bootp", no_argument, NULL, O_BOOTP}, |
f572315d | 198 | {"nodelay", no_argument, NULL, O_NODELAY}, |
ba97e494 | 199 | {NULL, 0, NULL, '\0'} |
fd05b7dc RM |
200 | }; |
201 | ||
00ababe4 | 202 | static char * |
069e2f28 RM |
203 | add_environ(struct dhcpcd_ctx *ctx, struct if_options *ifo, |
204 | const char *value, int uniq) | |
fd05b7dc RM |
205 | { |
206 | char **newlist; | |
207 | char **lst = ifo->environ; | |
208 | size_t i = 0, l, lv; | |
fa245a4d | 209 | char *match = NULL, *p, *n; |
fd05b7dc | 210 | |
78369646 RM |
211 | match = strdup(value); |
212 | if (match == NULL) { | |
069e2f28 | 213 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
78369646 RM |
214 | return NULL; |
215 | } | |
fd05b7dc | 216 | p = strchr(match, '='); |
d7cfde68 | 217 | if (p == NULL) { |
069e2f28 | 218 | logger(ctx, LOG_ERR, "%s: no assignment: %s", __func__, value); |
d7cfde68 RM |
219 | free(match); |
220 | return NULL; | |
221 | } | |
222 | *p++ = '\0'; | |
fd05b7dc RM |
223 | l = strlen(match); |
224 | ||
225 | while (lst && lst[i]) { | |
226 | if (match && strncmp(lst[i], match, l) == 0) { | |
227 | if (uniq) { | |
78369646 RM |
228 | n = strdup(value); |
229 | if (n == NULL) { | |
069e2f28 RM |
230 | logger(ctx, LOG_ERR, |
231 | "%s: %m", __func__); | |
8fc52ced | 232 | free(match); |
78369646 RM |
233 | return NULL; |
234 | } | |
fd05b7dc | 235 | free(lst[i]); |
78369646 | 236 | lst[i] = n; |
fd05b7dc RM |
237 | } else { |
238 | /* Append a space and the value to it */ | |
239 | l = strlen(lst[i]); | |
d7cfde68 | 240 | lv = strlen(p); |
fa245a4d RM |
241 | n = realloc(lst[i], l + lv + 2); |
242 | if (n == NULL) { | |
069e2f28 RM |
243 | logger(ctx, LOG_ERR, |
244 | "%s: %m", __func__); | |
8fc52ced | 245 | free(match); |
fa245a4d RM |
246 | return NULL; |
247 | } | |
248 | lst[i] = n; | |
fd05b7dc RM |
249 | lst[i][l] = ' '; |
250 | memcpy(lst[i] + l + 1, p, lv); | |
251 | lst[i][l + lv + 1] = '\0'; | |
252 | } | |
253 | free(match); | |
254 | return lst[i]; | |
255 | } | |
256 | i++; | |
257 | } | |
258 | ||
8fc52ced | 259 | free(match); |
78369646 RM |
260 | n = strdup(value); |
261 | if (n == NULL) { | |
069e2f28 | 262 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
78369646 RM |
263 | return NULL; |
264 | } | |
fa245a4d RM |
265 | newlist = realloc(lst, sizeof(char *) * (i + 2)); |
266 | if (newlist == NULL) { | |
069e2f28 | 267 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
8fc52ced | 268 | free(n); |
fa245a4d RM |
269 | return NULL; |
270 | } | |
78369646 | 271 | newlist[i] = n; |
fd05b7dc RM |
272 | newlist[i + 1] = NULL; |
273 | ifo->environ = newlist; | |
fd05b7dc RM |
274 | return newlist[i]; |
275 | } | |
276 | ||
277 | #define parse_string(buf, len, arg) parse_string_hwaddr(buf, len, arg, 0) | |
278 | static ssize_t | |
34457fe6 | 279 | parse_string_hwaddr(char *sbuf, size_t slen, const char *str, int clid) |
fd05b7dc | 280 | { |
34457fe6 | 281 | size_t l; |
fd05b7dc RM |
282 | const char *p; |
283 | int i, punt_last = 0; | |
284 | char c[4]; | |
285 | ||
286 | /* If surrounded by quotes then it's a string */ | |
287 | if (*str == '"') { | |
288 | str++; | |
289 | l = strlen(str); | |
290 | p = str + l - 1; | |
291 | if (*p == '"') | |
292 | punt_last = 1; | |
293 | } else { | |
34457fe6 RM |
294 | l = (size_t)hwaddr_aton(NULL, str); |
295 | if ((ssize_t) l != -1 && l > 1) { | |
fd05b7dc RM |
296 | if (l > slen) { |
297 | errno = ENOBUFS; | |
298 | return -1; | |
299 | } | |
300 | hwaddr_aton((uint8_t *)sbuf, str); | |
34457fe6 | 301 | return (ssize_t)l; |
fd05b7dc RM |
302 | } |
303 | } | |
304 | ||
305 | /* Process escapes */ | |
306 | l = 0; | |
307 | /* If processing a string on the clientid, first byte should be | |
308 | * 0 to indicate a non hardware type */ | |
9c9ad2f1 | 309 | if (clid && *str) { |
7a911e57 RM |
310 | if (sbuf) |
311 | *sbuf++ = 0; | |
fd05b7dc RM |
312 | l++; |
313 | } | |
314 | c[3] = '\0'; | |
315 | while (*str) { | |
7a911e57 | 316 | if (++l > slen && sbuf) { |
fd05b7dc RM |
317 | errno = ENOBUFS; |
318 | return -1; | |
319 | } | |
320 | if (*str == '\\') { | |
321 | str++; | |
857576b4 | 322 | switch(*str) { |
fd05b7dc RM |
323 | case '\0': |
324 | break; | |
325 | case 'b': | |
7a911e57 RM |
326 | if (sbuf) |
327 | *sbuf++ = '\b'; | |
857576b4 | 328 | str++; |
fd05b7dc RM |
329 | break; |
330 | case 'n': | |
7a911e57 RM |
331 | if (sbuf) |
332 | *sbuf++ = '\n'; | |
857576b4 | 333 | str++; |
fd05b7dc RM |
334 | break; |
335 | case 'r': | |
7a911e57 RM |
336 | if (sbuf) |
337 | *sbuf++ = '\r'; | |
857576b4 | 338 | str++; |
fd05b7dc RM |
339 | break; |
340 | case 't': | |
7a911e57 RM |
341 | if (sbuf) |
342 | *sbuf++ = '\t'; | |
857576b4 | 343 | str++; |
fd05b7dc RM |
344 | break; |
345 | case 'x': | |
346 | /* Grab a hex code */ | |
347 | c[1] = '\0'; | |
348 | for (i = 0; i < 2; i++) { | |
349 | if (isxdigit((unsigned char)*str) == 0) | |
350 | break; | |
351 | c[i] = *str++; | |
352 | } | |
7a911e57 | 353 | if (c[1] != '\0' && sbuf) { |
fd05b7dc | 354 | c[2] = '\0'; |
34457fe6 | 355 | *sbuf++ = (char)strtol(c, NULL, 16); |
fd05b7dc RM |
356 | } else |
357 | l--; | |
358 | break; | |
359 | case '0': | |
360 | /* Grab an octal code */ | |
361 | c[2] = '\0'; | |
362 | for (i = 0; i < 3; i++) { | |
363 | if (*str < '0' || *str > '7') | |
364 | break; | |
365 | c[i] = *str++; | |
366 | } | |
7a911e57 | 367 | if (c[2] != '\0' && sbuf) { |
34457fe6 | 368 | i = (int)strtol(c, NULL, 8); |
fd05b7dc RM |
369 | if (i > 255) |
370 | i = 255; | |
34457fe6 | 371 | *sbuf ++= (char)i; |
fd05b7dc RM |
372 | } else |
373 | l--; | |
374 | break; | |
375 | default: | |
7a911e57 RM |
376 | if (sbuf) |
377 | *sbuf++ = *str; | |
378 | str++; | |
379 | break; | |
fd05b7dc | 380 | } |
7a911e57 RM |
381 | } else { |
382 | if (sbuf) | |
383 | *sbuf++ = *str; | |
384 | str++; | |
385 | } | |
fd05b7dc | 386 | } |
c35f63c8 | 387 | if (punt_last) { |
7a911e57 RM |
388 | if (sbuf) |
389 | *--sbuf = '\0'; | |
c35f63c8 RM |
390 | l--; |
391 | } | |
34457fe6 | 392 | return (ssize_t)l; |
fd05b7dc RM |
393 | } |
394 | ||
ebc9d360 | 395 | static int |
c73ed171 | 396 | parse_iaid1(uint8_t *iaid, const char *arg, size_t len, int n) |
ebc9d360 | 397 | { |
f94b4eab RM |
398 | int e; |
399 | uint32_t narg; | |
34457fe6 | 400 | ssize_t s; |
ebc9d360 | 401 | |
f94b4eab RM |
402 | narg = (uint32_t)strtou(arg, NULL, 0, 0, UINT32_MAX, &e); |
403 | if (e == 0) { | |
c73ed171 | 404 | if (n) |
f94b4eab RM |
405 | narg = htonl(narg); |
406 | memcpy(iaid, &narg, sizeof(narg)); | |
ebc9d360 RM |
407 | return 0; |
408 | } | |
409 | ||
069e2f28 | 410 | if ((s = parse_string((char *)iaid, len, arg)) < 1) |
ebc9d360 | 411 | return -1; |
ebc9d360 RM |
412 | if (s < 4) |
413 | iaid[3] = '\0'; | |
414 | if (s < 3) | |
415 | iaid[2] = '\0'; | |
416 | if (s < 2) | |
417 | iaid[1] = '\0'; | |
418 | return 0; | |
419 | } | |
420 | ||
c73ed171 RM |
421 | static int |
422 | parse_iaid(uint8_t *iaid, const char *arg, size_t len) | |
423 | { | |
424 | ||
425 | return parse_iaid1(iaid, arg, len, 1); | |
426 | } | |
427 | ||
428 | static int | |
429 | parse_uint32(uint32_t *i, const char *arg) | |
430 | { | |
431 | ||
432 | return parse_iaid1((uint8_t *)i, arg, sizeof(uint32_t), 0); | |
433 | } | |
434 | ||
ba97e494 | 435 | static char ** |
069e2f28 | 436 | splitv(struct dhcpcd_ctx *ctx, int *argc, char **argv, const char *arg) |
ba97e494 | 437 | { |
fa245a4d | 438 | char **n, **v = argv; |
78369646 | 439 | char *o = strdup(arg), *p, *t, *nt; |
ba97e494 | 440 | |
78369646 | 441 | if (o == NULL) { |
069e2f28 | 442 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
78369646 RM |
443 | return v; |
444 | } | |
ba97e494 RM |
445 | p = o; |
446 | while ((t = strsep(&p, ", "))) { | |
fa245a4d RM |
447 | nt = strdup(t); |
448 | if (nt == NULL) { | |
069e2f28 | 449 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
8fc52ced RM |
450 | free(o); |
451 | return v; | |
fa245a4d | 452 | } |
34457fe6 | 453 | n = realloc(v, sizeof(char *) * ((size_t)(*argc) + 1)); |
fa245a4d | 454 | if (n == NULL) { |
069e2f28 | 455 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
8fc52ced RM |
456 | free(o); |
457 | free(nt); | |
458 | return v; | |
fa245a4d RM |
459 | } |
460 | v = n; | |
8fc52ced | 461 | v[(*argc)++] = nt; |
ba97e494 RM |
462 | } |
463 | free(o); | |
00ababe4 | 464 | return v; |
ba97e494 RM |
465 | } |
466 | ||
1f4c1525 | 467 | #ifdef INET |
91a44b91 | 468 | static int |
069e2f28 RM |
469 | parse_addr(struct dhcpcd_ctx *ctx, |
470 | struct in_addr *addr, struct in_addr *net, const char *arg) | |
91a44b91 RM |
471 | { |
472 | char *p; | |
91a44b91 | 473 | |
2f7cb97c RM |
474 | if (arg == NULL || *arg == '\0') { |
475 | if (addr != NULL) | |
476 | addr->s_addr = 0; | |
477 | if (net != NULL) | |
478 | net->s_addr = 0; | |
91a44b91 | 479 | return 0; |
2f7cb97c | 480 | } |
91a44b91 | 481 | if ((p = strchr(arg, '/')) != NULL) { |
96dbe2c7 RM |
482 | int e; |
483 | intmax_t i; | |
484 | ||
91a44b91 | 485 | *p++ = '\0'; |
96dbe2c7 RM |
486 | i = strtoi(p, NULL, 10, 0, 32, &e); |
487 | if (e != 0 || | |
488 | (net != NULL && inet_cidrtoaddr((int)i, net) != 0)) | |
91a44b91 | 489 | { |
069e2f28 | 490 | logger(ctx, LOG_ERR, "`%s' is not a valid CIDR", p); |
91a44b91 RM |
491 | return -1; |
492 | } | |
00ababe4 | 493 | } |
2f7cb97c | 494 | |
91a44b91 | 495 | if (addr != NULL && inet_aton(arg, addr) == 0) { |
069e2f28 | 496 | logger(ctx, LOG_ERR, "`%s' is not a valid IP address", arg); |
91a44b91 RM |
497 | return -1; |
498 | } | |
2f7cb97c | 499 | if (p != NULL) |
e095a6eb | 500 | *--p = '/'; |
8fc52ced | 501 | else if (net != NULL && addr != NULL) |
e88c525f | 502 | net->s_addr = ipv4_getnetmask(addr->s_addr); |
91a44b91 | 503 | return 0; |
1f4c1525 | 504 | } |
aae24feb | 505 | #else |
1f4c1525 | 506 | static int |
069e2f28 RM |
507 | parse_addr(struct dhcpcd_ctx *ctx, |
508 | __unused struct in_addr *addr, __unused struct in_addr *net, | |
1f4c1525 RM |
509 | __unused const char *arg) |
510 | { | |
511 | ||
069e2f28 | 512 | logger(ctx, LOG_ERR, "No IPv4 support"); |
aae24feb | 513 | return -1; |
91a44b91 | 514 | } |
1f4c1525 | 515 | #endif |
91a44b91 | 516 | |
00ababe4 | 517 | static const char * |
4eb7b489 | 518 | set_option_space(struct dhcpcd_ctx *ctx, |
49b749f0 RM |
519 | const char *arg, |
520 | const struct dhcp_opt **d, size_t *dl, | |
521 | const struct dhcp_opt **od, size_t *odl, | |
d7555c12 | 522 | struct if_options *ifo, |
85bff648 | 523 | uint8_t *request[], uint8_t *require[], uint8_t *no[], uint8_t *reject[]) |
d7555c12 RM |
524 | { |
525 | ||
ca867830 | 526 | #if !defined(INET) && !defined(INET6) |
2be15e88 | 527 | UNUSED(ctx); |
ca867830 RM |
528 | #endif |
529 | ||
aae24feb | 530 | #ifdef INET6 |
2be15e88 RM |
531 | if (strncmp(arg, "nd_", strlen("nd_")) == 0) { |
532 | *d = ctx->nd_opts; | |
533 | *dl = ctx->nd_opts_len; | |
534 | *od = ifo->nd_override; | |
535 | *odl = ifo->nd_override_len; | |
536 | *request = ifo->requestmasknd; | |
537 | *require = ifo->requiremasknd; | |
538 | *no = ifo->nomasknd; | |
539 | *reject = ifo->rejectmasknd; | |
540 | return arg + strlen("nd_"); | |
541 | } | |
542 | ||
d7555c12 | 543 | if (strncmp(arg, "dhcp6_", strlen("dhcp6_")) == 0) { |
4eb7b489 RM |
544 | *d = ctx->dhcp6_opts; |
545 | *dl = ctx->dhcp6_opts_len; | |
49b749f0 RM |
546 | *od = ifo->dhcp6_override; |
547 | *odl = ifo->dhcp6_override_len; | |
d7555c12 RM |
548 | *request = ifo->requestmask6; |
549 | *require = ifo->requiremask6; | |
550 | *no = ifo->nomask6; | |
85bff648 | 551 | *reject = ifo->rejectmask6; |
d7555c12 RM |
552 | return arg + strlen("dhcp6_"); |
553 | } | |
aae24feb RM |
554 | #endif |
555 | ||
556 | #ifdef INET | |
4eb7b489 RM |
557 | *d = ctx->dhcp_opts; |
558 | *dl = ctx->dhcp_opts_len; | |
49b749f0 RM |
559 | *od = ifo->dhcp_override; |
560 | *odl = ifo->dhcp_override_len; | |
aae24feb RM |
561 | #else |
562 | *d = NULL; | |
ae4e592f | 563 | *dl = 0; |
49b749f0 RM |
564 | *od = NULL; |
565 | *odl = 0; | |
aae24feb | 566 | #endif |
d7555c12 RM |
567 | *request = ifo->requestmask; |
568 | *require = ifo->requiremask; | |
569 | *no = ifo->nomask; | |
85bff648 | 570 | *reject = ifo->rejectmask; |
d7555c12 RM |
571 | return arg; |
572 | } | |
573 | ||
1cd05a96 | 574 | void |
8e7d8c37 RM |
575 | free_dhcp_opt_embenc(struct dhcp_opt *opt) |
576 | { | |
577 | size_t i; | |
bc22d277 | 578 | struct dhcp_opt *o; |
8e7d8c37 | 579 | |
bc22d277 | 580 | free(opt->var); |
8e7d8c37 | 581 | |
bc22d277 | 582 | for (i = 0, o = opt->embopts; i < opt->embopts_len; i++, o++) |
e877fba7 | 583 | free_dhcp_opt_embenc(o); |
8e7d8c37 RM |
584 | free(opt->embopts); |
585 | opt->embopts_len = 0; | |
586 | opt->embopts = NULL; | |
587 | ||
bc22d277 | 588 | for (i = 0, o = opt->encopts; i < opt->encopts_len; i++, o++) |
e877fba7 | 589 | free_dhcp_opt_embenc(o); |
8e7d8c37 RM |
590 | free(opt->encopts); |
591 | opt->encopts_len = 0; | |
592 | opt->encopts = NULL; | |
593 | } | |
594 | ||
1cd05a96 RM |
595 | static char * |
596 | strwhite(const char *s) | |
597 | { | |
598 | ||
4dd50184 RM |
599 | if (s == NULL) |
600 | return NULL; | |
1cd05a96 RM |
601 | while (*s != ' ' && *s != '\t') { |
602 | if (*s == '\0') | |
603 | return NULL; | |
604 | s++; | |
605 | } | |
606 | return UNCONST(s); | |
607 | } | |
608 | ||
609 | static char * | |
610 | strskipwhite(const char *s) | |
611 | { | |
612 | ||
4dd50184 RM |
613 | if (s == NULL) |
614 | return NULL; | |
1cd05a96 RM |
615 | while (*s == ' ' || *s == '\t') { |
616 | if (*s == '\0') | |
617 | return NULL; | |
618 | s++; | |
619 | } | |
620 | return UNCONST(s); | |
621 | } | |
622 | ||
c73ed171 RM |
623 | /* Find the end pointer of a string. */ |
624 | static char * | |
625 | strend(const char *s) | |
626 | { | |
627 | ||
628 | s = strskipwhite(s); | |
629 | if (s == NULL) | |
630 | return NULL; | |
631 | if (*s != '"') | |
632 | return strchr(s, ' '); | |
633 | s++; | |
634 | for (; *s != '"' ; s++) { | |
635 | if (*s == '\0') | |
636 | return NULL; | |
637 | if (*s == '\\') { | |
638 | if (*(++s) == '\0') | |
639 | return NULL; | |
640 | } | |
641 | } | |
642 | return UNCONST(++s); | |
643 | } | |
644 | ||
fd05b7dc | 645 | static int |
4eb7b489 RM |
646 | parse_option(struct dhcpcd_ctx *ctx, const char *ifname, struct if_options *ifo, |
647 | int opt, const char *arg, struct dhcp_opt **ldop, struct dhcp_opt **edop) | |
fd05b7dc | 648 | { |
f94b4eab | 649 | int e, i, t; |
a93e79c6 | 650 | long l; |
76bb4d03 | 651 | unsigned long u; |
cc71162d | 652 | char *p = NULL, *bp, *fp, *np, **nconf; |
fd05b7dc | 653 | ssize_t s; |
e095a6eb | 654 | struct in_addr addr, addr2; |
fa245a4d | 655 | in_addr_t *naddr; |
91a44b91 | 656 | struct rt *rt; |
49b749f0 | 657 | const struct dhcp_opt *d, *od; |
85bff648 | 658 | uint8_t *request, *require, *no, *reject; |
8e7d8c37 | 659 | struct dhcp_opt **dop, *ndop; |
49b749f0 | 660 | size_t *dop_len, dl, odl; |
7a911e57 | 661 | struct vivco *vivco; |
c73ed171 | 662 | struct token *token; |
a93e79c6 RM |
663 | struct group *grp; |
664 | #ifdef _REENTRANT | |
a93e79c6 RM |
665 | struct group grpbuf; |
666 | #endif | |
1f4c1525 | 667 | #ifdef INET6 |
1f4c1525 | 668 | size_t sl; |
ebc9d360 RM |
669 | struct if_ia *ia; |
670 | uint8_t iaid[4]; | |
5985c4e2 | 671 | struct if_sla *sla, *slap; |
1f4c1525 | 672 | #endif |
fd05b7dc | 673 | |
8e7d8c37 RM |
674 | dop = NULL; |
675 | dop_len = NULL; | |
7a02120f RM |
676 | #ifdef INET6 |
677 | i = 0; | |
678 | #endif | |
fd05b7dc | 679 | switch(opt) { |
5e2062a4 | 680 | case 'f': /* FALLTHROUGH */ |
6bfd88f1 | 681 | case 'g': /* FALLTHROUGH */ |
da166178 RM |
682 | case 'n': /* FALLTHROUGH */ |
683 | case 'x': /* FALLTHROUGH */ | |
dc60cba4 | 684 | case 'T': /* FALLTHROUGH */ |
b7f5d1db RM |
685 | case 'U': /* FALLTHROUGH */ |
686 | case 'V': /* We need to handle non interface options */ | |
fd05b7dc | 687 | break; |
03c2c879 RM |
688 | case 'b': |
689 | ifo->options |= DHCPCD_BACKGROUND; | |
690 | break; | |
fd05b7dc | 691 | case 'c': |
1681b126 RM |
692 | free(ifo->script); |
693 | ifo->script = strdup(arg); | |
694 | if (ifo->script == NULL) | |
069e2f28 | 695 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
fd05b7dc | 696 | break; |
acb1cf88 RM |
697 | case 'd': |
698 | ifo->options |= DHCPCD_DEBUG; | |
699 | break; | |
6bfd88f1 | 700 | case 'e': |
069e2f28 | 701 | add_environ(ctx, ifo, arg, 1); |
6bfd88f1 | 702 | break; |
fd05b7dc | 703 | case 'h': |
cc3c3560 RM |
704 | if (!arg) { |
705 | ifo->options |= DHCPCD_HOSTNAME; | |
706 | break; | |
707 | } | |
708 | s = parse_string(ifo->hostname, HOSTNAME_MAX_LEN, arg); | |
709 | if (s == -1) { | |
069e2f28 | 710 | logger(ctx, LOG_ERR, "hostname: %m"); |
cc3c3560 RM |
711 | return -1; |
712 | } | |
713 | if (s != 0 && ifo->hostname[0] == '.') { | |
069e2f28 | 714 | logger(ctx, LOG_ERR, "hostname cannot begin with ."); |
cc3c3560 | 715 | return -1; |
fd05b7dc | 716 | } |
cc3c3560 | 717 | ifo->hostname[s] = '\0'; |
ed913a59 RM |
718 | if (ifo->hostname[0] == '\0') |
719 | ifo->options &= ~DHCPCD_HOSTNAME; | |
720 | else | |
721 | ifo->options |= DHCPCD_HOSTNAME; | |
fd05b7dc RM |
722 | break; |
723 | case 'i': | |
724 | if (arg) | |
725 | s = parse_string((char *)ifo->vendorclassid + 1, | |
eab2229c | 726 | VENDORCLASSID_MAX_LEN, arg); |
fd05b7dc RM |
727 | else |
728 | s = 0; | |
729 | if (s == -1) { | |
069e2f28 | 730 | logger(ctx, LOG_ERR, "vendorclassid: %m"); |
fd05b7dc RM |
731 | return -1; |
732 | } | |
733 | *ifo->vendorclassid = (uint8_t)s; | |
734 | break; | |
069e2f28 RM |
735 | case 'j': |
736 | /* per interface logging is not supported | |
737 | * don't want to overide the commandline */ | |
738 | if (ifname == NULL && ctx->logfile == NULL) { | |
739 | logger_close(ctx); | |
740 | ctx->logfile = strdup(arg); | |
741 | logger_open(ctx); | |
742 | } | |
743 | break; | |
2662d519 RM |
744 | case 'k': |
745 | ifo->options |= DHCPCD_RELEASE; | |
746 | break; | |
fd05b7dc | 747 | case 'l': |
f94b4eab RM |
748 | ifo->leasetime = (uint32_t)strtou(arg, NULL, |
749 | 0, 0, UINT32_MAX, &e); | |
750 | if (e) { | |
069e2f28 | 751 | logger(ctx, LOG_ERR, "failed to convert leasetime %s", arg); |
fd05b7dc RM |
752 | return -1; |
753 | } | |
754 | break; | |
755 | case 'm': | |
f94b4eab RM |
756 | ifo->metric = (int)strtoi(arg, NULL, 0, 0, INT32_MAX, &e); |
757 | if (e) { | |
069e2f28 | 758 | logger(ctx, LOG_ERR, "failed to convert metric %s", arg); |
fd05b7dc RM |
759 | return -1; |
760 | } | |
761 | break; | |
762 | case 'o': | |
49b749f0 | 763 | arg = set_option_space(ctx, arg, &d, &dl, &od, &odl, ifo, |
85bff648 | 764 | &request, &require, &no, &reject); |
49b749f0 | 765 | if (make_option_mask(d, dl, od, odl, request, arg, 1) != 0 || |
85bff648 RM |
766 | make_option_mask(d, dl, od, odl, no, arg, -1) != 0 || |
767 | make_option_mask(d, dl, od, odl, reject, arg, -1) != 0) | |
768 | { | |
069e2f28 | 769 | logger(ctx, LOG_ERR, "unknown option `%s'", arg); |
85bff648 RM |
770 | return -1; |
771 | } | |
772 | break; | |
773 | case O_REJECT: | |
774 | arg = set_option_space(ctx, arg, &d, &dl, &od, &odl, ifo, | |
775 | &request, &require, &no, &reject); | |
776 | if (make_option_mask(d, dl, od, odl, reject, arg, 1) != 0 || | |
777 | make_option_mask(d, dl, od, odl, request, arg, -1) != 0 || | |
778 | make_option_mask(d, dl, od, odl, require, arg, -1) != 0) | |
ee56a47d | 779 | { |
069e2f28 | 780 | logger(ctx, LOG_ERR, "unknown option `%s'", arg); |
fd05b7dc RM |
781 | return -1; |
782 | } | |
783 | break; | |
784 | case 'p': | |
785 | ifo->options |= DHCPCD_PERSISTENT; | |
786 | break; | |
03c2c879 RM |
787 | case 'q': |
788 | ifo->options |= DHCPCD_QUIET; | |
789 | break; | |
2f7cb97c | 790 | case 'r': |
069e2f28 | 791 | if (parse_addr(ctx, &ifo->req_addr, NULL, arg) != 0) |
2f7cb97c | 792 | return -1; |
5b39d8f5 | 793 | ifo->options |= DHCPCD_REQUEST; |
2f7cb97c RM |
794 | ifo->req_mask.s_addr = 0; |
795 | break; | |
fd05b7dc | 796 | case 's': |
d7555c12 RM |
797 | if (ifo->options & DHCPCD_IPV6 && |
798 | !(ifo->options & DHCPCD_IPV4)) | |
799 | { | |
800 | ifo->options |= DHCPCD_INFORM; | |
801 | break; | |
802 | } | |
2f7cb97c | 803 | if (arg && *arg != '\0') { |
069e2f28 RM |
804 | if (parse_addr(ctx, |
805 | &ifo->req_addr, &ifo->req_mask, arg) != 0) | |
91a44b91 | 806 | return -1; |
2f7cb97c RM |
807 | } else { |
808 | ifo->req_addr.s_addr = 0; | |
809 | ifo->req_mask.s_addr = 0; | |
fd05b7dc | 810 | } |
5b39d8f5 RM |
811 | ifo->options |= DHCPCD_INFORM | DHCPCD_PERSISTENT; |
812 | ifo->options &= ~(DHCPCD_ARP | DHCPCD_STATIC); | |
91a44b91 | 813 | break; |
fd05b7dc | 814 | case 't': |
f94b4eab RM |
815 | ifo->timeout = (time_t)strtoi(arg, NULL, 0, 0, INT32_MAX, &e); |
816 | if (e) { | |
069e2f28 | 817 | logger(ctx, LOG_ERR, "failed to convert timeout"); |
fd05b7dc RM |
818 | return -1; |
819 | } | |
820 | break; | |
821 | case 'u': | |
822 | s = USERCLASS_MAX_LEN - ifo->userclass[0] - 1; | |
eab2229c | 823 | s = parse_string((char *)ifo->userclass + |
34457fe6 | 824 | ifo->userclass[0] + 2, (size_t)s, arg); |
fd05b7dc | 825 | if (s == -1) { |
069e2f28 | 826 | logger(ctx, LOG_ERR, "userclass: %m"); |
fd05b7dc RM |
827 | return -1; |
828 | } | |
829 | if (s != 0) { | |
34457fe6 | 830 | ifo->userclass[ifo->userclass[0] + 1] = (uint8_t)s; |
d7a4dcf9 | 831 | ifo->userclass[0] = (uint8_t)(ifo->userclass[0] + s +1); |
fd05b7dc RM |
832 | } |
833 | break; | |
834 | case 'v': | |
835 | p = strchr(arg, ','); | |
836 | if (!p || !p[1]) { | |
069e2f28 | 837 | logger(ctx, LOG_ERR, "invalid vendor format: %s", arg); |
fd05b7dc RM |
838 | return -1; |
839 | } | |
95d6dcfa RM |
840 | |
841 | /* If vendor starts with , then it is not encapsulated */ | |
842 | if (p == arg) { | |
843 | arg++; | |
844 | s = parse_string((char *)ifo->vendor + 1, | |
845 | VENDOR_MAX_LEN, arg); | |
846 | if (s == -1) { | |
069e2f28 | 847 | logger(ctx, LOG_ERR, "vendor: %m"); |
95d6dcfa RM |
848 | return -1; |
849 | } | |
850 | ifo->vendor[0] = (uint8_t)s; | |
851 | ifo->options |= DHCPCD_VENDORRAW; | |
852 | break; | |
853 | } | |
854 | ||
855 | /* Encapsulated vendor options */ | |
856 | if (ifo->options & DHCPCD_VENDORRAW) { | |
857 | ifo->options &= ~DHCPCD_VENDORRAW; | |
858 | ifo->vendor[0] = 0; | |
859 | } | |
860 | ||
d7a4dcf9 RM |
861 | /* Strip and preserve the comma */ |
862 | *p = '\0'; | |
f94b4eab | 863 | i = (int)strtoi(arg, NULL, 0, 1, 254, &e); |
d7a4dcf9 | 864 | *p = ','; |
f94b4eab | 865 | if (e) { |
069e2f28 | 866 | logger(ctx, LOG_ERR, "vendor option should be between" |
eab2229c | 867 | " 1 and 254 inclusive"); |
fd05b7dc RM |
868 | return -1; |
869 | } | |
b357d09f RM |
870 | |
871 | arg = p + 1; | |
fd05b7dc RM |
872 | s = VENDOR_MAX_LEN - ifo->vendor[0] - 2; |
873 | if (inet_aton(arg, &addr) == 1) { | |
874 | if (s < 6) { | |
875 | s = -1; | |
876 | errno = ENOBUFS; | |
aeddc61a | 877 | } else { |
fd05b7dc | 878 | memcpy(ifo->vendor + ifo->vendor[0] + 3, |
eab2229c | 879 | &addr.s_addr, sizeof(addr.s_addr)); |
aeddc61a RM |
880 | s = sizeof(addr.s_addr); |
881 | } | |
fd05b7dc | 882 | } else { |
eab2229c | 883 | s = parse_string((char *)ifo->vendor + |
34457fe6 | 884 | ifo->vendor[0] + 3, (size_t)s, arg); |
fd05b7dc RM |
885 | } |
886 | if (s == -1) { | |
069e2f28 | 887 | logger(ctx, LOG_ERR, "vendor: %m"); |
fd05b7dc RM |
888 | return -1; |
889 | } | |
890 | if (s != 0) { | |
34457fe6 RM |
891 | ifo->vendor[ifo->vendor[0] + 1] = (uint8_t)i; |
892 | ifo->vendor[ifo->vendor[0] + 2] = (uint8_t)s; | |
d7a4dcf9 | 893 | ifo->vendor[0] = (uint8_t)(ifo->vendor[0] + s + 2); |
fd05b7dc RM |
894 | } |
895 | break; | |
2a07a2af RM |
896 | case 'w': |
897 | ifo->options |= DHCPCD_WAITIP; | |
7013b073 RM |
898 | if (arg != NULL && arg[0] != '\0') { |
899 | if (arg[0] == '4' || arg[1] == '4') | |
900 | ifo->options |= DHCPCD_WAITIP4; | |
901 | if (arg[0] == '6' || arg[1] == '6') | |
902 | ifo->options |= DHCPCD_WAITIP6; | |
903 | } | |
2a07a2af | 904 | break; |
a2a9a498 | 905 | case 'y': |
f94b4eab RM |
906 | ifo->reboot = (time_t)strtoi(arg, NULL, 0, 0, UINT32_MAX, &e); |
907 | if (e) { | |
069e2f28 | 908 | logger(ctx, LOG_ERR, "failed to convert reboot %s", arg); |
a2a9a498 RM |
909 | return -1; |
910 | } | |
911 | break; | |
d3088c74 | 912 | case 'z': |
4eb7b489 | 913 | if (ifname == NULL) |
069e2f28 | 914 | ctx->ifav = splitv(ctx, &ctx->ifac, ctx->ifav, arg); |
d3088c74 | 915 | break; |
fd05b7dc RM |
916 | case 'A': |
917 | ifo->options &= ~DHCPCD_ARP; | |
918 | /* IPv4LL requires ARP */ | |
919 | ifo->options &= ~DHCPCD_IPV4LL; | |
920 | break; | |
03c2c879 RM |
921 | case 'B': |
922 | ifo->options &= ~DHCPCD_DAEMONISE; | |
923 | break; | |
fd05b7dc RM |
924 | case 'C': |
925 | /* Commas to spaces for shell */ | |
926 | while ((p = strchr(arg, ','))) | |
927 | *p = ' '; | |
34457fe6 RM |
928 | dl = strlen("skip_hooks=") + strlen(arg) + 1; |
929 | p = malloc(sizeof(char) * dl); | |
28382337 | 930 | if (p == NULL) { |
069e2f28 | 931 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
28382337 RM |
932 | return -1; |
933 | } | |
34457fe6 | 934 | snprintf(p, dl, "skip_hooks=%s", arg); |
069e2f28 | 935 | add_environ(ctx, ifo, p, 0); |
fd05b7dc RM |
936 | free(p); |
937 | break; | |
938 | case 'D': | |
c989b023 | 939 | ifo->options |= DHCPCD_CLIENTID | DHCPCD_DUID; |
fd05b7dc RM |
940 | break; |
941 | case 'E': | |
942 | ifo->options |= DHCPCD_LASTLEASE; | |
943 | break; | |
944 | case 'F': | |
945 | if (!arg) { | |
946 | ifo->fqdn = FQDN_BOTH; | |
947 | break; | |
948 | } | |
949 | if (strcmp(arg, "none") == 0) | |
950 | ifo->fqdn = FQDN_NONE; | |
951 | else if (strcmp(arg, "ptr") == 0) | |
952 | ifo->fqdn = FQDN_PTR; | |
953 | else if (strcmp(arg, "both") == 0) | |
954 | ifo->fqdn = FQDN_BOTH; | |
955 | else if (strcmp(arg, "disable") == 0) | |
956 | ifo->fqdn = FQDN_DISABLE; | |
957 | else { | |
069e2f28 | 958 | logger(ctx, LOG_ERR, "invalid value `%s' for FQDN", arg); |
fd05b7dc RM |
959 | return -1; |
960 | } | |
961 | break; | |
962 | case 'G': | |
963 | ifo->options &= ~DHCPCD_GATEWAY; | |
964 | break; | |
4242c9b3 RM |
965 | case 'H': |
966 | ifo->options |= DHCPCD_XID_HWADDR; | |
967 | break; | |
fd05b7dc RM |
968 | case 'I': |
969 | /* Strings have a type of 0 */; | |
970 | ifo->clientid[1] = 0; | |
971 | if (arg) | |
972 | s = parse_string_hwaddr((char *)ifo->clientid + 1, | |
eab2229c | 973 | CLIENTID_MAX_LEN, arg, 1); |
fd05b7dc RM |
974 | else |
975 | s = 0; | |
976 | if (s == -1) { | |
069e2f28 | 977 | logger(ctx, LOG_ERR, "clientid: %m"); |
fd05b7dc RM |
978 | return -1; |
979 | } | |
c989b023 | 980 | ifo->options |= DHCPCD_CLIENTID; |
fd05b7dc | 981 | ifo->clientid[0] = (uint8_t)s; |
fd05b7dc | 982 | break; |
900b3da4 RM |
983 | case 'J': |
984 | ifo->options |= DHCPCD_BROADCAST; | |
985 | break; | |
fd05b7dc RM |
986 | case 'K': |
987 | ifo->options &= ~DHCPCD_LINK; | |
988 | break; | |
989 | case 'L': | |
990 | ifo->options &= ~DHCPCD_IPV4LL; | |
991 | break; | |
b3174181 RM |
992 | case 'M': |
993 | ifo->options |= DHCPCD_MASTER; | |
994 | break; | |
fd05b7dc | 995 | case 'O': |
49b749f0 | 996 | arg = set_option_space(ctx, arg, &d, &dl, &od, &odl, ifo, |
85bff648 | 997 | &request, &require, &no, &reject); |
49b749f0 RM |
998 | if (make_option_mask(d, dl, od, odl, request, arg, -1) != 0 || |
999 | make_option_mask(d, dl, od, odl, require, arg, -1) != 0 || | |
1000 | make_option_mask(d, dl, od, odl, no, arg, 1) != 0) | |
fd05b7dc | 1001 | { |
069e2f28 | 1002 | logger(ctx, LOG_ERR, "unknown option `%s'", arg); |
fd05b7dc RM |
1003 | return -1; |
1004 | } | |
1005 | break; | |
1006 | case 'Q': | |
49b749f0 | 1007 | arg = set_option_space(ctx, arg, &d, &dl, &od, &odl, ifo, |
85bff648 | 1008 | &request, &require, &no, &reject); |
49b749f0 RM |
1009 | if (make_option_mask(d, dl, od, odl, require, arg, 1) != 0 || |
1010 | make_option_mask(d, dl, od, odl, request, arg, 1) != 0 || | |
85bff648 RM |
1011 | make_option_mask(d, dl, od, odl, no, arg, -1) != 0 || |
1012 | make_option_mask(d, dl, od, odl, reject, arg, -1) != 0) | |
fd05b7dc | 1013 | { |
069e2f28 | 1014 | logger(ctx, LOG_ERR, "unknown option `%s'", arg); |
fd05b7dc RM |
1015 | return -1; |
1016 | } | |
1017 | break; | |
91a44b91 RM |
1018 | case 'S': |
1019 | p = strchr(arg, '='); | |
1020 | if (p == NULL) { | |
069e2f28 | 1021 | logger(ctx, LOG_ERR, "static assignment required"); |
91a44b91 RM |
1022 | return -1; |
1023 | } | |
1024 | p++; | |
1025 | if (strncmp(arg, "ip_address=", strlen("ip_address=")) == 0) { | |
069e2f28 | 1026 | if (parse_addr(ctx, &ifo->req_addr, |
776961cf RM |
1027 | ifo->req_mask.s_addr == 0 ? &ifo->req_mask : NULL, |
1028 | p) != 0) | |
91a44b91 RM |
1029 | return -1; |
1030 | ||
1031 | ifo->options |= DHCPCD_STATIC; | |
fa8b2a7a | 1032 | ifo->options &= ~DHCPCD_INFORM; |
069e2f28 RM |
1033 | } else if (strncmp(arg, "subnet_mask=", |
1034 | strlen("subnet_mask=")) == 0) | |
1035 | { | |
1036 | if (parse_addr(ctx, &ifo->req_mask, NULL, p) != 0) | |
776961cf | 1037 | return -1; |
91a44b91 | 1038 | } else if (strncmp(arg, "routes=", strlen("routes=")) == 0 || |
069e2f28 RM |
1039 | strncmp(arg, "static_routes=", |
1040 | strlen("static_routes=")) == 0 || | |
1041 | strncmp(arg, "classless_static_routes=", | |
1042 | strlen("classless_static_routes=")) == 0 || | |
1043 | strncmp(arg, "ms_classless_static_routes=", | |
1044 | strlen("ms_classless_static_routes=")) == 0) | |
91a44b91 | 1045 | { |
1cd05a96 | 1046 | fp = np = strwhite(p); |
91a44b91 | 1047 | if (np == NULL) { |
069e2f28 RM |
1048 | logger(ctx, LOG_ERR, |
1049 | "all routes need a gateway"); | |
91a44b91 RM |
1050 | return -1; |
1051 | } | |
1052 | *np++ = '\0'; | |
1cd05a96 | 1053 | np = strskipwhite(np); |
91a44b91 | 1054 | if (ifo->routes == NULL) { |
4c9c4b3e RM |
1055 | ifo->routes = malloc(sizeof(*ifo->routes)); |
1056 | if (ifo->routes == NULL) { | |
069e2f28 RM |
1057 | logger(ctx, LOG_ERR, |
1058 | "%s: %m", __func__); | |
10e17e3f RM |
1059 | return -1; |
1060 | } | |
673e81e5 | 1061 | TAILQ_INIT(ifo->routes); |
4c9c4b3e | 1062 | } |
9ec2a63b | 1063 | rt = calloc(1, sizeof(*rt)); |
4c9c4b3e | 1064 | if (rt == NULL) { |
069e2f28 | 1065 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
4c9c4b3e RM |
1066 | *fp = ' '; |
1067 | return -1; | |
91a44b91 | 1068 | } |
069e2f28 RM |
1069 | if (parse_addr(ctx, &rt->dest, &rt->net, p) == -1 || |
1070 | parse_addr(ctx, &rt->gate, NULL, np) == -1) | |
332a5fe6 | 1071 | { |
4c9c4b3e | 1072 | free(rt); |
332a5fe6 | 1073 | *fp = ' '; |
91a44b91 | 1074 | return -1; |
332a5fe6 | 1075 | } |
4c9c4b3e | 1076 | TAILQ_INSERT_TAIL(ifo->routes, rt, next); |
332a5fe6 | 1077 | *fp = ' '; |
91a44b91 RM |
1078 | } else if (strncmp(arg, "routers=", strlen("routers=")) == 0) { |
1079 | if (ifo->routes == NULL) { | |
4c9c4b3e RM |
1080 | ifo->routes = malloc(sizeof(*ifo->routes)); |
1081 | if (ifo->routes == NULL) { | |
069e2f28 RM |
1082 | logger(ctx, LOG_ERR, |
1083 | "%s: %m", __func__); | |
10e17e3f RM |
1084 | return -1; |
1085 | } | |
00ababe4 | 1086 | TAILQ_INIT(ifo->routes); |
4c9c4b3e | 1087 | } |
9ec2a63b | 1088 | rt = calloc(1, sizeof(*rt)); |
4c9c4b3e | 1089 | if (rt == NULL) { |
069e2f28 | 1090 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
4c9c4b3e | 1091 | return -1; |
91a44b91 | 1092 | } |
1abffd5b RM |
1093 | rt->dest.s_addr = INADDR_ANY; |
1094 | rt->net.s_addr = INADDR_ANY; | |
069e2f28 | 1095 | if (parse_addr(ctx, &rt->gate, NULL, p) == -1) { |
4c9c4b3e | 1096 | free(rt); |
91a44b91 | 1097 | return -1; |
4c9c4b3e RM |
1098 | } |
1099 | TAILQ_INSERT_TAIL(ifo->routes, rt, next); | |
91a44b91 | 1100 | } else { |
34457fe6 | 1101 | dl = 0; |
91a44b91 | 1102 | if (ifo->config != NULL) { |
34457fe6 RM |
1103 | while (ifo->config[dl] != NULL) { |
1104 | if (strncmp(ifo->config[dl], arg, | |
1105 | (size_t)(p - arg)) == 0) | |
eab2229c | 1106 | { |
78369646 RM |
1107 | p = strdup(arg); |
1108 | if (p == NULL) { | |
069e2f28 | 1109 | logger(ctx, LOG_ERR, |
78369646 RM |
1110 | "%s: %m", __func__); |
1111 | return -1; | |
1112 | } | |
34457fe6 RM |
1113 | free(ifo->config[dl]); |
1114 | ifo->config[dl] = p; | |
91a44b91 RM |
1115 | return 1; |
1116 | } | |
34457fe6 | 1117 | dl++; |
91a44b91 RM |
1118 | } |
1119 | } | |
78369646 | 1120 | p = strdup(arg); |
fa245a4d | 1121 | if (p == NULL) { |
069e2f28 | 1122 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
fa245a4d RM |
1123 | return -1; |
1124 | } | |
34457fe6 | 1125 | nconf = realloc(ifo->config, sizeof(char *) * (dl + 2)); |
78369646 | 1126 | if (nconf == NULL) { |
069e2f28 | 1127 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
78369646 RM |
1128 | return -1; |
1129 | } | |
fa245a4d | 1130 | ifo->config = nconf; |
34457fe6 RM |
1131 | ifo->config[dl] = p; |
1132 | ifo->config[dl + 1] = NULL; | |
91a44b91 RM |
1133 | } |
1134 | break; | |
bf80d526 | 1135 | case 'W': |
069e2f28 | 1136 | if (parse_addr(ctx, &addr, &addr2, arg) != 0) |
bf80d526 RM |
1137 | return -1; |
1138 | if (strchr(arg, '/') == NULL) | |
1139 | addr2.s_addr = INADDR_BROADCAST; | |
fa245a4d | 1140 | naddr = realloc(ifo->whitelist, |
bf80d526 | 1141 | sizeof(in_addr_t) * (ifo->whitelist_len + 2)); |
fa245a4d | 1142 | if (naddr == NULL) { |
069e2f28 | 1143 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
fa245a4d RM |
1144 | return -1; |
1145 | } | |
1146 | ifo->whitelist = naddr; | |
bf80d526 RM |
1147 | ifo->whitelist[ifo->whitelist_len++] = addr.s_addr; |
1148 | ifo->whitelist[ifo->whitelist_len++] = addr2.s_addr; | |
1149 | break; | |
fd05b7dc | 1150 | case 'X': |
069e2f28 | 1151 | if (parse_addr(ctx, &addr, &addr2, arg) != 0) |
fd05b7dc | 1152 | return -1; |
ce6b39df RM |
1153 | if (strchr(arg, '/') == NULL) |
1154 | addr2.s_addr = INADDR_BROADCAST; | |
fa245a4d | 1155 | naddr = realloc(ifo->blacklist, |
e095a6eb | 1156 | sizeof(in_addr_t) * (ifo->blacklist_len + 2)); |
fa245a4d | 1157 | if (naddr == NULL) { |
069e2f28 | 1158 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
fa245a4d RM |
1159 | return -1; |
1160 | } | |
1161 | ifo->blacklist = naddr; | |
e095a6eb RM |
1162 | ifo->blacklist[ifo->blacklist_len++] = addr.s_addr; |
1163 | ifo->blacklist[ifo->blacklist_len++] = addr2.s_addr; | |
fd05b7dc | 1164 | break; |
d3088c74 | 1165 | case 'Z': |
4eb7b489 | 1166 | if (ifname == NULL) |
069e2f28 | 1167 | ctx->ifdv = splitv(ctx, &ctx->ifdc, ctx->ifdv, arg); |
d3088c74 | 1168 | break; |
d7555c12 | 1169 | case '4': |
2f0addfd | 1170 | ifo->options &= ~DHCPCD_IPV6; |
d7555c12 RM |
1171 | ifo->options |= DHCPCD_IPV4; |
1172 | break; | |
1173 | case '6': | |
1174 | ifo->options &= ~DHCPCD_IPV4; | |
2f0addfd | 1175 | ifo->options |= DHCPCD_IPV6; |
d7555c12 | 1176 | break; |
94bec972 RM |
1177 | case O_IPV4: |
1178 | ifo->options |= DHCPCD_IPV4; | |
1179 | break; | |
bb8051bf RM |
1180 | case O_NOIPV4: |
1181 | ifo->options &= ~DHCPCD_IPV4; | |
1182 | break; | |
94bec972 RM |
1183 | case O_IPV6: |
1184 | ifo->options |= DHCPCD_IPV6; | |
1185 | break; | |
bb8051bf RM |
1186 | case O_NOIPV6: |
1187 | ifo->options &= ~DHCPCD_IPV6; | |
1188 | break; | |
aae24feb | 1189 | #ifdef INET |
4ca7460f | 1190 | case O_ARPING: |
48ac077b RM |
1191 | while (arg && *arg != '\0') { |
1192 | fp = strwhite(arg); | |
1193 | if (fp) | |
1194 | *fp++ = '\0'; | |
069e2f28 | 1195 | if (parse_addr(ctx, &addr, NULL, arg) != 0) |
48ac077b RM |
1196 | return -1; |
1197 | naddr = realloc(ifo->arping, | |
1198 | sizeof(in_addr_t) * (ifo->arping_len + 1)); | |
1199 | if (naddr == NULL) { | |
069e2f28 | 1200 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
48ac077b RM |
1201 | return -1; |
1202 | } | |
1203 | ifo->arping = naddr; | |
1204 | ifo->arping[ifo->arping_len++] = addr.s_addr; | |
4dd50184 | 1205 | arg = strskipwhite(fp); |
fa245a4d | 1206 | } |
4ca7460f | 1207 | break; |
41c60e02 | 1208 | case O_DESTINATION: |
49b749f0 | 1209 | arg = set_option_space(ctx, arg, &d, &dl, &od, &odl, ifo, |
85bff648 | 1210 | &request, &require, &no, &reject); |
49b749f0 RM |
1211 | if (make_option_mask(d, dl, od, odl, |
1212 | ifo->dstmask, arg, 2) != 0) | |
1213 | { | |
41c60e02 | 1214 | if (errno == EINVAL) |
069e2f28 | 1215 | logger(ctx, LOG_ERR, "option `%s' does not take" |
41c60e02 RM |
1216 | " an IPv4 address", arg); |
1217 | else | |
069e2f28 | 1218 | logger(ctx, LOG_ERR, "unknown option `%s'", arg); |
41c60e02 RM |
1219 | return -1; |
1220 | } | |
1221 | break; | |
ff021b0b RM |
1222 | case O_FALLBACK: |
1223 | free(ifo->fallback); | |
78369646 RM |
1224 | ifo->fallback = strdup(arg); |
1225 | if (ifo->fallback == NULL) { | |
069e2f28 | 1226 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
00ababe4 | 1227 | return -1; |
78369646 | 1228 | } |
ff021b0b | 1229 | break; |
aae24feb | 1230 | #endif |
ebc9d360 | 1231 | case O_IAID: |
9ff636a5 | 1232 | if (ifname == NULL) { |
069e2f28 | 1233 | logger(ctx, LOG_ERR, |
9ff636a5 RM |
1234 | "IAID must belong in an interface block"); |
1235 | return -1; | |
1236 | } | |
069e2f28 RM |
1237 | if (parse_iaid(ifo->iaid, arg, sizeof(ifo->iaid)) == -1) { |
1238 | logger(ctx, LOG_ERR, "invalid IAID %s", arg); | |
ebc9d360 | 1239 | return -1; |
069e2f28 | 1240 | } |
ebc9d360 | 1241 | ifo->options |= DHCPCD_IAID; |
563a421c | 1242 | break; |
eebe9a18 RM |
1243 | case O_IPV6RS: |
1244 | ifo->options |= DHCPCD_IPV6RS; | |
1245 | break; | |
91cd7324 | 1246 | case O_NOIPV6RS: |
61dd6cf9 RM |
1247 | ifo->options &= ~DHCPCD_IPV6RS; |
1248 | break; | |
eebe9a18 | 1249 | case O_IPV6RA_FORK: |
61dd6cf9 | 1250 | ifo->options &= ~DHCPCD_IPV6RA_REQRDNSS; |
91cd7324 | 1251 | break; |
eebe9a18 RM |
1252 | case O_IPV6RA_OWN: |
1253 | ifo->options |= DHCPCD_IPV6RA_OWN; | |
1254 | break; | |
1255 | case O_IPV6RA_OWN_D: | |
1256 | ifo->options |= DHCPCD_IPV6RA_OWN_DEFAULT; | |
1257 | break; | |
4f0240bf RM |
1258 | case O_IPV6RA_ACCEPT_NOPUBLIC: |
1259 | ifo->options |= DHCPCD_IPV6RA_ACCEPT_NOPUBLIC; | |
a8e5259b | 1260 | break; |
62f12387 RM |
1261 | case O_IPV6RA_AUTOCONF: |
1262 | ifo->options |= DHCPCD_IPV6RA_AUTOCONF; | |
1263 | break; | |
1264 | case O_IPV6RA_NOAUTOCONF: | |
1265 | ifo->options &= ~DHCPCD_IPV6RA_AUTOCONF; | |
1266 | break; | |
7dab081f RM |
1267 | case O_NOALIAS: |
1268 | ifo->options |= DHCPCD_NOALIAS; | |
1269 | break; | |
00ababe4 RM |
1270 | #ifdef INET6 |
1271 | case O_IA_NA: | |
1272 | i = D6_OPTION_IA_NA; | |
1273 | /* FALLTHROUGH */ | |
1274 | case O_IA_TA: | |
1275 | if (i == 0) | |
1276 | i = D6_OPTION_IA_TA; | |
1277 | /* FALLTHROUGH */ | |
1278 | case O_IA_PD: | |
9ff636a5 RM |
1279 | if (i == 0) { |
1280 | if (ifname == NULL) { | |
069e2f28 | 1281 | logger(ctx, LOG_ERR, |
9ff636a5 RM |
1282 | "IA PD must belong in an interface block"); |
1283 | return -1; | |
1284 | } | |
00ababe4 | 1285 | i = D6_OPTION_IA_PD; |
9ff636a5 | 1286 | } |
b0ca9ae9 | 1287 | if (ifname == NULL && arg) { |
069e2f28 | 1288 | logger(ctx, LOG_ERR, |
9ff636a5 RM |
1289 | "IA with IAID must belong in an interface block"); |
1290 | return -1; | |
1291 | } | |
00ababe4 | 1292 | ifo->options |= DHCPCD_IA_FORCED; |
52bcdc34 RM |
1293 | fp = strwhite(arg); |
1294 | if (fp) { | |
1295 | *fp++ = '\0'; | |
1296 | fp = strskipwhite(fp); | |
1297 | } | |
b0ca9ae9 | 1298 | if (arg) { |
b0ca9ae9 RM |
1299 | p = strchr(arg, '/'); |
1300 | if (p) | |
1301 | *p++ = '\0'; | |
069e2f28 RM |
1302 | if (parse_iaid(iaid, arg, sizeof(iaid)) == -1) { |
1303 | logger(ctx, LOG_ERR, "invalid IAID: %s", arg); | |
b0ca9ae9 | 1304 | return -1; |
069e2f28 | 1305 | } |
52bcdc34 | 1306 | } |
ebc9d360 RM |
1307 | ia = NULL; |
1308 | for (sl = 0; sl < ifo->ia_len; sl++) { | |
52bcdc34 | 1309 | if ((arg == NULL && !ifo->ia[sl].iaid_set) || |
8371b540 RM |
1310 | (ifo->ia[sl].iaid_set && |
1311 | ifo->ia[sl].iaid[0] == iaid[0] && | |
ebc9d360 RM |
1312 | ifo->ia[sl].iaid[1] == iaid[1] && |
1313 | ifo->ia[sl].iaid[2] == iaid[2] && | |
b0ca9ae9 | 1314 | ifo->ia[sl].iaid[3] == iaid[3])) |
00ababe4 | 1315 | { |
ebc9d360 | 1316 | ia = &ifo->ia[sl]; |
00ababe4 RM |
1317 | break; |
1318 | } | |
1319 | } | |
b0ca9ae9 | 1320 | if (ia && ia->ia_type != (uint16_t)i) { |
069e2f28 | 1321 | logger(ctx, LOG_ERR, "Cannot mix IA for the same IAID"); |
b0ca9ae9 RM |
1322 | break; |
1323 | } | |
ebc9d360 RM |
1324 | if (ia == NULL) { |
1325 | ia = realloc(ifo->ia, | |
1326 | sizeof(*ifo->ia) * (ifo->ia_len + 1)); | |
1327 | if (ia == NULL) { | |
069e2f28 | 1328 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
00ababe4 RM |
1329 | return -1; |
1330 | } | |
ebc9d360 RM |
1331 | ifo->ia = ia; |
1332 | ia = &ifo->ia[ifo->ia_len++]; | |
b0ca9ae9 | 1333 | ia->ia_type = (uint16_t)i; |
52bcdc34 | 1334 | if (arg) { |
b0ca9ae9 RM |
1335 | ia->iaid[0] = iaid[0]; |
1336 | ia->iaid[1] = iaid[1]; | |
1337 | ia->iaid[2] = iaid[2]; | |
1338 | ia->iaid[3] = iaid[3]; | |
1339 | ia->iaid_set = 1; | |
1340 | } else | |
1341 | ia->iaid_set = 0; | |
1342 | if (!ia->iaid_set || | |
1343 | p == NULL || | |
1344 | ia->ia_type == D6_OPTION_IA_TA) | |
1345 | { | |
4f94ed51 RM |
1346 | memset(&ia->addr, 0, sizeof(ia->addr)); |
1347 | ia->prefix_len = 0; | |
1348 | } else { | |
1349 | arg = p; | |
1350 | p = strchr(arg, '/'); | |
1351 | if (p) | |
1352 | *p++ = '\0'; | |
1353 | if (inet_pton(AF_INET6, arg, &ia->addr) == -1) { | |
069e2f28 | 1354 | logger(ctx, LOG_ERR, "%s: %m", arg); |
4f94ed51 RM |
1355 | memset(&ia->addr, 0, sizeof(ia->addr)); |
1356 | } | |
b0ca9ae9 | 1357 | if (p && ia->ia_type == D6_OPTION_IA_PD) { |
f94b4eab RM |
1358 | i = (int)strtoi(p, NULL, 0, 8, 120, &e); |
1359 | if (e) { | |
069e2f28 | 1360 | logger(ctx, LOG_ERR, |
f94b4eab RM |
1361 | "%s: failed to convert" |
1362 | " prefix len", | |
1363 | p); | |
4f94ed51 RM |
1364 | ia->prefix_len = 0; |
1365 | } else | |
1366 | ia->prefix_len = (uint8_t)i; | |
1367 | } | |
1368 | } | |
e69793ff | 1369 | ia->sla_max = 0; |
ebc9d360 | 1370 | ia->sla_len = 0; |
4f94ed51 | 1371 | ia->sla = NULL; |
00ababe4 | 1372 | } |
b0ca9ae9 | 1373 | if (ia->ia_type != D6_OPTION_IA_PD) |
7cece083 | 1374 | break; |
00ababe4 | 1375 | for (p = fp; p; p = fp) { |
1cd05a96 RM |
1376 | fp = strwhite(p); |
1377 | if (fp) { | |
00ababe4 | 1378 | *fp++ = '\0'; |
1cd05a96 RM |
1379 | fp = strskipwhite(fp); |
1380 | } | |
ebc9d360 RM |
1381 | sla = realloc(ia->sla, |
1382 | sizeof(*ia->sla) * (ia->sla_len + 1)); | |
00ababe4 | 1383 | if (sla == NULL) { |
069e2f28 | 1384 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
00ababe4 RM |
1385 | return -1; |
1386 | } | |
ebc9d360 RM |
1387 | ia->sla = sla; |
1388 | sla = &ia->sla[ia->sla_len++]; | |
00ababe4 RM |
1389 | np = strchr(p, '/'); |
1390 | if (np) | |
1391 | *np++ = '\0'; | |
00ababe4 RM |
1392 | if (strlcpy(sla->ifname, p, |
1393 | sizeof(sla->ifname)) >= sizeof(sla->ifname)) | |
1394 | { | |
069e2f28 | 1395 | logger(ctx, LOG_ERR, "%s: interface name too long", |
00ababe4 | 1396 | arg); |
94a79cea | 1397 | goto err_sla; |
00ababe4 RM |
1398 | } |
1399 | p = np; | |
367f7b11 RM |
1400 | if (p) { |
1401 | np = strchr(p, '/'); | |
1402 | if (np) | |
1403 | *np++ = '\0'; | |
83919266 RM |
1404 | if (*p == '\0') |
1405 | sla->sla_set = 0; | |
1406 | else { | |
f94b4eab RM |
1407 | sla->sla = (uint32_t)strtou(p, NULL, |
1408 | 0, 0, UINT32_MAX, &e); | |
1409 | sla->sla_set = 1; | |
1410 | if (e) { | |
069e2f28 | 1411 | logger(ctx, LOG_ERR, |
f94b4eab RM |
1412 | "%s: failed to convert sla", |
1413 | ifname); | |
34457fe6 | 1414 | goto err_sla; |
f94b4eab | 1415 | } |
83919266 | 1416 | } |
367f7b11 | 1417 | if (np) { |
f94b4eab RM |
1418 | sla->prefix_len = (uint8_t)strtoi(np, |
1419 | NULL, 0, 0, 128, &e); | |
1420 | if (e) { | |
069e2f28 | 1421 | logger(ctx, LOG_ERR, "%s: failed to " |
f94b4eab RM |
1422 | "convert prefix len", |
1423 | ifname); | |
94a79cea | 1424 | goto err_sla; |
f94b4eab | 1425 | } |
367f7b11 | 1426 | } else |
e69793ff | 1427 | sla->prefix_len = 0; |
5985c4e2 RM |
1428 | } else { |
1429 | sla->sla_set = 0; | |
e69793ff RM |
1430 | sla->prefix_len = 0; |
1431 | } | |
1432 | /* Sanity check */ | |
1433 | for (sl = 0; sl < ia->sla_len - 1; sl++) { | |
1434 | slap = &ia->sla[sl]; | |
a268d0e4 | 1435 | if (slap->sla_set != sla->sla_set) { |
069e2f28 | 1436 | logger(ctx, LOG_WARNING, |
e69793ff RM |
1437 | "%s: cannot mix automatic " |
1438 | "and fixed SLA", | |
1439 | sla->ifname); | |
1440 | goto err_sla; | |
1441 | } | |
1442 | if (sla->sla_set == 0 && | |
1443 | strcmp(slap->ifname, sla->ifname) == 0) | |
1444 | { | |
069e2f28 | 1445 | logger(ctx, LOG_WARNING, |
e69793ff RM |
1446 | "%s: cannot specify the " |
1447 | "same interface twice with " | |
1448 | "an automatic SLA", | |
1449 | sla->ifname); | |
1450 | goto err_sla; | |
5985c4e2 | 1451 | } |
a268d0e4 | 1452 | if (slap->sla == 0 || sla->sla == 0) { |
069e2f28 | 1453 | logger(ctx, LOG_ERR, "%s: cannot" |
a268d0e4 RM |
1454 | " assign multiple prefixes" |
1455 | " with a SLA of 0", | |
1456 | ifname); | |
1457 | goto err_sla; | |
1458 | } | |
367f7b11 | 1459 | } |
e69793ff RM |
1460 | if (sla->sla_set && sla->sla > ia->sla_max) |
1461 | ia->sla_max = sla->sla; | |
00ababe4 | 1462 | } |
ebc9d360 | 1463 | break; |
94a79cea RM |
1464 | err_sla: |
1465 | ia->sla_len--; | |
1466 | return -1; | |
1467 | #endif | |
d6a18654 | 1468 | case O_HOSTNAME_SHORT: |
9c54b11b | 1469 | ifo->options |= DHCPCD_HOSTNAME | DHCPCD_HOSTNAME_SHORT; |
d6a18654 | 1470 | break; |
413652c1 | 1471 | case O_DEV: |
4eb7b489 RM |
1472 | #ifdef PLUGIN_DEV |
1473 | if (ctx->dev_load) | |
1474 | free(ctx->dev_load); | |
1475 | ctx->dev_load = strdup(arg); | |
1476 | #endif | |
413652c1 RM |
1477 | break; |
1478 | case O_NODEV: | |
1479 | ifo->options &= ~DHCPCD_DEV; | |
1480 | break; | |
8e7d8c37 RM |
1481 | case O_DEFINE: |
1482 | dop = &ifo->dhcp_override; | |
1483 | dop_len = &ifo->dhcp_override_len; | |
1484 | /* FALLTHROUGH */ | |
2be15e88 RM |
1485 | case O_DEFINEND: |
1486 | if (dop == NULL) { | |
1487 | dop = &ifo->nd_override; | |
1488 | dop_len = &ifo->nd_override_len; | |
1489 | } | |
1490 | /* FALLTHROUGH */ | |
8e7d8c37 RM |
1491 | case O_DEFINE6: |
1492 | if (dop == NULL) { | |
1493 | dop = &ifo->dhcp6_override; | |
1494 | dop_len = &ifo->dhcp6_override_len; | |
1495 | } | |
7a911e57 RM |
1496 | /* FALLTHROUGH */ |
1497 | case O_VENDOPT: | |
1498 | if (dop == NULL) { | |
1499 | dop = &ifo->vivso_override; | |
1500 | dop_len = &ifo->vivso_override_len; | |
1501 | } | |
4eb7b489 | 1502 | *edop = *ldop = NULL; |
8e7d8c37 RM |
1503 | /* FALLTHROUGH */ |
1504 | case O_EMBED: | |
1505 | if (dop == NULL) { | |
4eb7b489 RM |
1506 | if (*edop) { |
1507 | dop = &(*edop)->embopts; | |
1508 | dop_len = &(*edop)->embopts_len; | |
03476881 | 1509 | } else if (ldop) { |
4eb7b489 RM |
1510 | dop = &(*ldop)->embopts; |
1511 | dop_len = &(*ldop)->embopts_len; | |
03476881 | 1512 | } else { |
069e2f28 | 1513 | logger(ctx, LOG_ERR, |
03476881 | 1514 | "embed must be after a define or encap"); |
8e7d8c37 RM |
1515 | return -1; |
1516 | } | |
8e7d8c37 | 1517 | } |
03476881 | 1518 | /* FALLTHROUGH */ |
8e7d8c37 RM |
1519 | case O_ENCAP: |
1520 | if (dop == NULL) { | |
4eb7b489 | 1521 | if (*ldop == NULL) { |
069e2f28 | 1522 | logger(ctx, LOG_ERR, "encap must be after a define"); |
8e7d8c37 RM |
1523 | return -1; |
1524 | } | |
4eb7b489 RM |
1525 | dop = &(*ldop)->encopts; |
1526 | dop_len = &(*ldop)->encopts_len; | |
8e7d8c37 RM |
1527 | } |
1528 | ||
1529 | /* Shared code for define, define6, embed and encap */ | |
1530 | ||
1531 | /* code */ | |
1532 | if (opt == O_EMBED) /* Embedded options don't have codes */ | |
7a911e57 | 1533 | u = 0; |
8e7d8c37 | 1534 | else { |
1cd05a96 | 1535 | fp = strwhite(arg); |
4dd50184 | 1536 | if (fp == NULL) { |
069e2f28 | 1537 | logger(ctx, LOG_ERR, "invalid syntax: %s", arg); |
8e7d8c37 RM |
1538 | return -1; |
1539 | } | |
1540 | *fp++ = '\0'; | |
6dff2cb3 | 1541 | u = (uint32_t)strtou(arg, NULL, 0, 0, UINT32_MAX, &e); |
f94b4eab | 1542 | if (e) { |
069e2f28 | 1543 | logger(ctx, LOG_ERR, "invalid code: %s", arg); |
8e7d8c37 | 1544 | return -1; |
7a911e57 | 1545 | } |
1cd05a96 | 1546 | arg = strskipwhite(fp); |
4dd50184 | 1547 | if (arg == NULL) { |
069e2f28 | 1548 | logger(ctx, LOG_ERR, "invalid syntax"); |
4dd50184 RM |
1549 | return -1; |
1550 | } | |
8e7d8c37 RM |
1551 | } |
1552 | /* type */ | |
1cd05a96 | 1553 | fp = strwhite(arg); |
ab371aa6 | 1554 | if (fp) |
1cd05a96 | 1555 | *fp++ = '\0'; |
b21cd906 RM |
1556 | np = strchr(arg, ':'); |
1557 | /* length */ | |
1558 | if (np) { | |
1559 | *np++ = '\0'; | |
cc71162d | 1560 | bp = NULL; /* No bitflag */ |
f94b4eab RM |
1561 | l = (long)strtou(np, NULL, 0, 0, LONG_MAX, &e); |
1562 | if (e) { | |
cc71162d | 1563 | logger(ctx,LOG_ERR, "failed to convert length"); |
b21cd906 | 1564 | return -1; |
f94b4eab | 1565 | } |
cc71162d | 1566 | } else { |
b21cd906 | 1567 | l = 0; |
cc71162d RM |
1568 | bp = strchr(arg, '='); /* bitflag assignment */ |
1569 | if (bp) | |
1570 | *bp++ = '\0'; | |
1571 | } | |
1cd05a96 RM |
1572 | t = 0; |
1573 | if (strcasecmp(arg, "request") == 0) { | |
1574 | t |= REQUEST; | |
1575 | arg = strskipwhite(fp); | |
1576 | fp = strwhite(arg); | |
1577 | if (fp == NULL) { | |
069e2f28 | 1578 | logger(ctx, LOG_ERR, "incomplete request type"); |
1cd05a96 RM |
1579 | return -1; |
1580 | } | |
1581 | *fp++ = '\0'; | |
1582 | } else if (strcasecmp(arg, "norequest") == 0) { | |
1583 | t |= NOREQ; | |
1584 | arg = strskipwhite(fp); | |
1585 | fp = strwhite(arg); | |
1586 | if (fp == NULL) { | |
069e2f28 | 1587 | logger(ctx, LOG_ERR, "incomplete request type"); |
1cd05a96 RM |
1588 | return -1; |
1589 | } | |
8e7d8c37 | 1590 | *fp++ = '\0'; |
1cd05a96 | 1591 | } |
03476881 RM |
1592 | if (strcasecmp(arg, "index") == 0) { |
1593 | t |= INDEX; | |
1594 | arg = strskipwhite(fp); | |
1595 | fp = strwhite(arg); | |
1596 | if (fp == NULL) { | |
069e2f28 | 1597 | logger(ctx, LOG_ERR, "incomplete index type"); |
03476881 RM |
1598 | return -1; |
1599 | } | |
1600 | *fp++ = '\0'; | |
1601 | } | |
1cd05a96 RM |
1602 | if (strcasecmp(arg, "array") == 0) { |
1603 | t |= ARRAY; | |
1604 | arg = strskipwhite(fp); | |
1605 | fp = strwhite(arg); | |
1606 | if (fp == NULL) { | |
069e2f28 | 1607 | logger(ctx, LOG_ERR, "incomplete array type"); |
1cd05a96 RM |
1608 | return -1; |
1609 | } | |
1610 | *fp++ = '\0'; | |
1611 | } | |
8e7d8c37 | 1612 | if (strcasecmp(arg, "ipaddress") == 0) |
1cd05a96 | 1613 | t |= ADDRIPV4; |
8e7d8c37 | 1614 | else if (strcasecmp(arg, "ip6address") == 0) |
1cd05a96 | 1615 | t |= ADDRIPV6; |
8e7d8c37 | 1616 | else if (strcasecmp(arg, "string") == 0) |
1cd05a96 | 1617 | t |= STRING; |
8e7d8c37 | 1618 | else if (strcasecmp(arg, "byte") == 0) |
1cd05a96 | 1619 | t |= UINT8; |
cc71162d RM |
1620 | else if (strcasecmp(arg, "bitflags") == 0) |
1621 | t |= BITFLAG; | |
8e7d8c37 | 1622 | else if (strcasecmp(arg, "uint16") == 0) |
1cd05a96 | 1623 | t |= UINT16; |
8e7d8c37 | 1624 | else if (strcasecmp(arg, "int16") == 0) |
1cd05a96 | 1625 | t |= SINT16; |
8e7d8c37 | 1626 | else if (strcasecmp(arg, "uint32") == 0) |
1cd05a96 | 1627 | t |= UINT32; |
8e7d8c37 | 1628 | else if (strcasecmp(arg, "int32") == 0) |
1cd05a96 RM |
1629 | t |= SINT32; |
1630 | else if (strcasecmp(arg, "flag") == 0) | |
1631 | t |= FLAG; | |
8f008ca7 RM |
1632 | else if (strcasecmp(arg, "raw") == 0) |
1633 | t |= STRING | RAW; | |
1634 | else if (strcasecmp(arg, "ascii") == 0) | |
1635 | t |= STRING | ASCII; | |
8e7d8c37 | 1636 | else if (strcasecmp(arg, "domain") == 0) |
167b9b9b | 1637 | t |= STRING | DOMAIN | RFC1035; |
8f008ca7 RM |
1638 | else if (strcasecmp(arg, "dname") == 0) |
1639 | t |= STRING | DOMAIN; | |
8e7d8c37 | 1640 | else if (strcasecmp(arg, "binhex") == 0) |
8f008ca7 | 1641 | t |= STRING | BINHEX; |
8e7d8c37 | 1642 | else if (strcasecmp(arg, "embed") == 0) |
03476881 | 1643 | t |= EMBED; |
8e7d8c37 | 1644 | else if (strcasecmp(arg, "encap") == 0) |
03476881 | 1645 | t |= ENCAP; |
1cd05a96 | 1646 | else if (strcasecmp(arg, "rfc3361") ==0) |
03476881 | 1647 | t |= STRING | RFC3361; |
dfee59d2 | 1648 | else if (strcasecmp(arg, "rfc3442") ==0) |
03476881 | 1649 | t |= STRING | RFC3442; |
1cd05a96 | 1650 | else if (strcasecmp(arg, "rfc5969") == 0) |
03476881 RM |
1651 | t |= STRING | RFC5969; |
1652 | else if (strcasecmp(arg, "option") == 0) | |
1653 | t |= OPTION; | |
8e7d8c37 | 1654 | else { |
069e2f28 | 1655 | logger(ctx, LOG_ERR, "unknown type: %s", arg); |
8e7d8c37 RM |
1656 | return -1; |
1657 | } | |
b21cd906 | 1658 | if (l && !(t & (STRING | BINHEX))) { |
069e2f28 | 1659 | logger(ctx, LOG_WARNING, |
b21cd906 RM |
1660 | "ignoring length for type `%s'", arg); |
1661 | l = 0; | |
1662 | } | |
8f008ca7 | 1663 | if (t & ARRAY && t & (STRING | BINHEX) && |
167b9b9b | 1664 | !(t & (RFC1035 | DOMAIN))) |
8f008ca7 | 1665 | { |
069e2f28 | 1666 | logger(ctx, LOG_WARNING, "ignoring array for strings"); |
63bdd2c2 RM |
1667 | t &= ~ARRAY; |
1668 | } | |
cc71162d RM |
1669 | if (t & BITFLAG) { |
1670 | if (bp == NULL) | |
1671 | logger(ctx, LOG_WARNING, | |
1672 | "missing bitflag assignment"); | |
1673 | } | |
8e7d8c37 | 1674 | /* variable */ |
d9fbb118 | 1675 | if (!fp) { |
03476881 | 1676 | if (!(t & OPTION)) { |
069e2f28 | 1677 | logger(ctx, LOG_ERR, |
03476881 RM |
1678 | "type %s requires a variable name", arg); |
1679 | return -1; | |
1680 | } | |
1681 | np = NULL; | |
1682 | } else { | |
1683 | arg = strskipwhite(fp); | |
1684 | fp = strwhite(arg); | |
1685 | if (fp) | |
1686 | *fp++ = '\0'; | |
cc71162d RM |
1687 | if (strcasecmp(arg, "reserved")) { |
1688 | np = strdup(arg); | |
1689 | if (np == NULL) { | |
1690 | logger(ctx, LOG_ERR, | |
1691 | "%s: %m", __func__); | |
1692 | return -1; | |
1693 | } | |
1694 | } else { | |
1695 | np = NULL; | |
1696 | t |= RESERVED; | |
03476881 | 1697 | } |
8e7d8c37 | 1698 | } |
6714b786 | 1699 | if (opt != O_EMBED) { |
f132acc3 RM |
1700 | for (dl = 0, ndop = *dop; dl < *dop_len; dl++, ndop++) |
1701 | { | |
1cd05a96 RM |
1702 | /* type 0 seems freshly malloced struct |
1703 | * for us to use */ | |
7a911e57 | 1704 | if (ndop->option == u || ndop->type == 0) |
8e7d8c37 RM |
1705 | break; |
1706 | } | |
f132acc3 RM |
1707 | if (dl == *dop_len) |
1708 | ndop = NULL; | |
1709 | } else | |
1710 | ndop = NULL; | |
6714b786 | 1711 | if (ndop == NULL) { |
8e7d8c37 | 1712 | if ((ndop = realloc(*dop, |
f132acc3 RM |
1713 | sizeof(**dop) * ((*dop_len) + 1))) == NULL) |
1714 | { | |
069e2f28 | 1715 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
8fc52ced | 1716 | free(np); |
8e7d8c37 RM |
1717 | return -1; |
1718 | } | |
1719 | *dop = ndop; | |
1720 | ndop = &(*dop)[(*dop_len)++]; | |
8e7d8c37 RM |
1721 | ndop->embopts = NULL; |
1722 | ndop->embopts_len = 0; | |
1723 | ndop->encopts = NULL; | |
1724 | ndop->encopts_len = 0; | |
1725 | } else | |
1726 | free_dhcp_opt_embenc(ndop); | |
76bb4d03 | 1727 | ndop->option = (uint32_t)u; /* could have been 0 */ |
8e7d8c37 | 1728 | ndop->type = t; |
34457fe6 | 1729 | ndop->len = (size_t)l; |
bc22d277 | 1730 | ndop->var = np; |
cc71162d RM |
1731 | if (bp) { |
1732 | dl = strlen(bp); | |
1733 | memcpy(ndop->bitflags, bp, dl); | |
1734 | memset(ndop->bitflags + dl, 0, | |
1735 | sizeof(ndop->bitflags) - dl); | |
1736 | } else | |
1737 | memset(ndop->bitflags, 0, sizeof(ndop->bitflags)); | |
8e7d8c37 | 1738 | /* Save the define for embed and encap options */ |
2be15e88 RM |
1739 | switch (opt) { |
1740 | case O_DEFINE: | |
1741 | case O_DEFINEND: | |
1742 | case O_DEFINE6: | |
1743 | case O_VENDOPT: | |
4eb7b489 | 1744 | *ldop = ndop; |
2be15e88 RM |
1745 | break; |
1746 | case O_ENCAP: | |
4eb7b489 | 1747 | *edop = ndop; |
2be15e88 RM |
1748 | break; |
1749 | } | |
8e7d8c37 | 1750 | break; |
7a911e57 RM |
1751 | case O_VENDCLASS: |
1752 | fp = strwhite(arg); | |
1753 | if (fp) | |
1754 | *fp++ = '\0'; | |
f94b4eab RM |
1755 | u = (uint32_t)strtou(arg, NULL, 0, 0, UINT32_MAX, &e); |
1756 | if (e) { | |
069e2f28 | 1757 | logger(ctx, LOG_ERR, "invalid code: %s", arg); |
7a911e57 RM |
1758 | return -1; |
1759 | } | |
1760 | if (fp) { | |
1761 | s = parse_string(NULL, 0, fp); | |
1762 | if (s == -1) { | |
069e2f28 | 1763 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
7a911e57 RM |
1764 | return -1; |
1765 | } | |
34457fe6 RM |
1766 | dl = (size_t)s; |
1767 | if (dl + (sizeof(uint16_t) * 2) > UINT16_MAX) { | |
069e2f28 | 1768 | logger(ctx, LOG_ERR, "vendor class is too big"); |
7a911e57 RM |
1769 | return -1; |
1770 | } | |
34457fe6 | 1771 | np = malloc(dl); |
7a911e57 | 1772 | if (np == NULL) { |
069e2f28 | 1773 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
7a911e57 RM |
1774 | return -1; |
1775 | } | |
34457fe6 | 1776 | parse_string(np, dl, fp); |
7a911e57 | 1777 | } else { |
34457fe6 | 1778 | dl = 0; |
7a911e57 RM |
1779 | np = NULL; |
1780 | } | |
900b6f94 RM |
1781 | vivco = realloc(ifo->vivco, sizeof(*ifo->vivco) * |
1782 | (ifo->vivco_len + 1)); | |
7a911e57 | 1783 | if (vivco == NULL) { |
069e2f28 | 1784 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
7a911e57 RM |
1785 | return -1; |
1786 | } | |
1787 | ifo->vivco = vivco; | |
76bb4d03 | 1788 | ifo->vivco_en = (uint32_t)u; |
7a911e57 | 1789 | vivco = &ifo->vivco[ifo->vivco_len++]; |
34457fe6 | 1790 | vivco->len = dl; |
7a911e57 RM |
1791 | vivco->data = (uint8_t *)np; |
1792 | break; | |
c73ed171 RM |
1793 | case O_AUTHPROTOCOL: |
1794 | fp = strwhite(arg); | |
1795 | if (fp) | |
1796 | *fp++ = '\0'; | |
1797 | if (strcasecmp(arg, "token") == 0) | |
1798 | ifo->auth.protocol = AUTH_PROTO_TOKEN; | |
1799 | else if (strcasecmp(arg, "delayed") == 0) | |
1800 | ifo->auth.protocol = AUTH_PROTO_DELAYED; | |
1801 | else if (strcasecmp(arg, "delayedrealm") == 0) | |
1802 | ifo->auth.protocol = AUTH_PROTO_DELAYEDREALM; | |
1803 | else { | |
069e2f28 | 1804 | logger(ctx, LOG_ERR, "%s: unsupported protocol", arg); |
c73ed171 RM |
1805 | return -1; |
1806 | } | |
1807 | arg = strskipwhite(fp); | |
1808 | fp = strwhite(arg); | |
1809 | if (arg == NULL) { | |
1810 | ifo->auth.options |= DHCPCD_AUTH_SEND; | |
1811 | ifo->auth.algorithm = AUTH_ALG_HMAC_MD5; | |
1812 | ifo->auth.rdm = AUTH_RDM_MONOTONIC; | |
1813 | break; | |
1814 | } | |
1815 | if (fp) | |
1816 | *fp++ = '\0'; | |
1817 | if (strcasecmp(arg, "hmacmd5") == 0 || | |
1818 | strcasecmp(arg, "hmac-md5") == 0) | |
1819 | ifo->auth.algorithm = AUTH_ALG_HMAC_MD5; | |
1820 | else { | |
069e2f28 | 1821 | logger(ctx, LOG_ERR, "%s: unsupported algorithm", arg); |
c73ed171 RM |
1822 | return 1; |
1823 | } | |
1824 | arg = fp; | |
1825 | if (arg == NULL) { | |
1826 | ifo->auth.options |= DHCPCD_AUTH_SEND; | |
1827 | ifo->auth.rdm = AUTH_RDM_MONOTONIC; | |
1828 | break; | |
1829 | } | |
cf0840ef RM |
1830 | if (strcasecmp(arg, "monocounter") == 0) { |
1831 | ifo->auth.rdm = AUTH_RDM_MONOTONIC; | |
1832 | ifo->auth.options |= DHCPCD_AUTH_RDM_COUNTER; | |
1833 | } else if (strcasecmp(arg, "monotonic") ==0 || | |
1834 | strcasecmp(arg, "monotime") == 0) | |
c73ed171 RM |
1835 | ifo->auth.rdm = AUTH_RDM_MONOTONIC; |
1836 | else { | |
069e2f28 | 1837 | logger(ctx, LOG_ERR, "%s: unsupported RDM", arg); |
c73ed171 RM |
1838 | return -1; |
1839 | } | |
35fef8ed | 1840 | ifo->auth.options |= DHCPCD_AUTH_SEND; |
c73ed171 RM |
1841 | break; |
1842 | case O_AUTHTOKEN: | |
1843 | fp = strwhite(arg); | |
1844 | if (fp == NULL) { | |
069e2f28 | 1845 | logger(ctx, LOG_ERR, "authtoken requires a realm"); |
c73ed171 RM |
1846 | return -1; |
1847 | } | |
1848 | *fp++ = '\0'; | |
1849 | token = malloc(sizeof(*token)); | |
1850 | if (token == NULL) { | |
069e2f28 | 1851 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
a8c8e686 | 1852 | free(token); |
c73ed171 RM |
1853 | return -1; |
1854 | } | |
1855 | if (parse_uint32(&token->secretid, arg) == -1) { | |
069e2f28 | 1856 | logger(ctx, LOG_ERR, "%s: not a number", arg); |
c73ed171 RM |
1857 | free(token); |
1858 | return -1; | |
1859 | } | |
1860 | arg = fp; | |
1861 | fp = strend(arg); | |
1862 | if (fp == NULL) { | |
069e2f28 | 1863 | logger(ctx, LOG_ERR, "authtoken requies an a key"); |
c73ed171 RM |
1864 | free(token); |
1865 | return -1; | |
1866 | } | |
1867 | *fp++ = '\0'; | |
34457fe6 RM |
1868 | s = parse_string(NULL, 0, arg); |
1869 | if (s == -1) { | |
069e2f28 | 1870 | logger(ctx, LOG_ERR, "realm_len: %m"); |
a8c8e686 | 1871 | free(token); |
34457fe6 RM |
1872 | return -1; |
1873 | } | |
1874 | if (s) { | |
1875 | token->realm_len = (size_t)s; | |
c73ed171 RM |
1876 | token->realm = malloc(token->realm_len); |
1877 | if (token->realm == NULL) { | |
1878 | free(token); | |
069e2f28 | 1879 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
c73ed171 RM |
1880 | return -1; |
1881 | } | |
1882 | parse_string((char *)token->realm, token->realm_len, | |
1883 | arg); | |
34457fe6 RM |
1884 | } else { |
1885 | token->realm_len = 0; | |
1886 | token->realm = NULL; | |
c73ed171 RM |
1887 | } |
1888 | arg = fp; | |
1889 | fp = strend(arg); | |
1890 | if (fp == NULL) { | |
069e2f28 | 1891 | logger(ctx, LOG_ERR, "authtoken requies an an expiry date"); |
c73ed171 RM |
1892 | free(token->realm); |
1893 | free(token); | |
1894 | return -1; | |
1895 | } | |
1896 | *fp++ = '\0'; | |
1897 | if (*arg == '"') { | |
1898 | arg++; | |
1899 | np = strchr(arg, '"'); | |
1900 | if (np) | |
1901 | *np = '\0'; | |
1902 | } | |
1903 | if (strcmp(arg, "0") == 0 || strcasecmp(arg, "forever") == 0) | |
1904 | token->expire =0; | |
1905 | else { | |
1906 | struct tm tm; | |
1907 | ||
1908 | memset(&tm, 0, sizeof(tm)); | |
1909 | if (strptime(arg, "%Y-%m-%d %H:%M", &tm) == NULL) { | |
069e2f28 | 1910 | logger(ctx, LOG_ERR, "%s: invalid date time", arg); |
c73ed171 RM |
1911 | free(token->realm); |
1912 | free(token); | |
1913 | return -1; | |
1914 | } | |
1915 | if ((token->expire = mktime(&tm)) == (time_t)-1) { | |
069e2f28 | 1916 | logger(ctx, LOG_ERR, "%s: mktime: %m", __func__); |
c73ed171 RM |
1917 | free(token->realm); |
1918 | free(token); | |
1919 | return -1; | |
1920 | } | |
1921 | } | |
1922 | arg = fp; | |
34457fe6 RM |
1923 | s = parse_string(NULL, 0, arg); |
1924 | if (s == -1 || s == 0) { | |
069e2f28 | 1925 | logger(ctx, LOG_ERR, s == -1 ? "token_len: %m" : |
34457fe6 | 1926 | "authtoken needs a key"); |
c73ed171 RM |
1927 | free(token->realm); |
1928 | free(token); | |
1929 | return -1; | |
1930 | } | |
34457fe6 | 1931 | token->key_len = (size_t)s; |
c73ed171 RM |
1932 | token->key = malloc(token->key_len); |
1933 | parse_string((char *)token->key, token->key_len, arg); | |
1934 | TAILQ_INSERT_TAIL(&ifo->auth.tokens, token, next); | |
1935 | break; | |
1936 | case O_AUTHNOTREQUIRED: | |
1937 | ifo->auth.options &= ~DHCPCD_AUTH_REQUIRE; | |
1938 | break; | |
94bec972 RM |
1939 | case O_DHCP: |
1940 | ifo->options |= DHCPCD_DHCP | DHCPCD_IPV4; | |
1941 | break; | |
d4154ba7 RM |
1942 | case O_NODHCP: |
1943 | ifo->options &= ~DHCPCD_DHCP; | |
1944 | break; | |
94bec972 RM |
1945 | case O_DHCP6: |
1946 | ifo->options |= DHCPCD_DHCP6 | DHCPCD_IPV6; | |
1947 | break; | |
d4154ba7 RM |
1948 | case O_NODHCP6: |
1949 | ifo->options &= ~DHCPCD_DHCP6; | |
1950 | break; | |
a93e79c6 RM |
1951 | case O_CONTROLGRP: |
1952 | #ifdef _REENTRANT | |
1953 | l = sysconf(_SC_GETGR_R_SIZE_MAX); | |
1954 | if (l == -1) | |
1955 | dl = 1024; | |
1956 | else | |
1957 | dl = (size_t)l; | |
1958 | p = malloc(dl); | |
1959 | if (p == NULL) { | |
069e2f28 | 1960 | logger(ctx, LOG_ERR, "%s: malloc: %m", __func__); |
a93e79c6 RM |
1961 | return -1; |
1962 | } | |
1963 | while ((i = getgrnam_r(arg, &grpbuf, p, (size_t)l, &grp)) == | |
1964 | ERANGE) | |
1965 | { | |
1966 | size_t nl = dl * 2; | |
1967 | if (nl < dl) { | |
069e2f28 | 1968 | logger(ctx, LOG_ERR, "control_group: out of buffer"); |
a93e79c6 RM |
1969 | free(p); |
1970 | return -1; | |
1971 | } | |
1972 | dl = nl; | |
1973 | np = realloc(p, dl); | |
1974 | if (np == NULL) { | |
069e2f28 | 1975 | logger(ctx, LOG_ERR, "control_group: realloc: %m"); |
a93e79c6 RM |
1976 | free(p); |
1977 | return -1; | |
1978 | } | |
1979 | p = np; | |
1980 | } | |
1981 | if (i != 0) { | |
1982 | errno = i; | |
069e2f28 | 1983 | logger(ctx, LOG_ERR, "getgrnam_r: %m"); |
a93e79c6 RM |
1984 | free(p); |
1985 | return -1; | |
1986 | } | |
1987 | if (grp == NULL) { | |
069e2f28 | 1988 | logger(ctx, LOG_ERR, "controlgroup: %s: not found", arg); |
a93e79c6 RM |
1989 | free(p); |
1990 | return -1; | |
1991 | } | |
1992 | ctx->control_group = grp->gr_gid; | |
1993 | free(p); | |
1994 | #else | |
1995 | grp = getgrnam(arg); | |
1996 | if (grp == NULL) { | |
069e2f28 | 1997 | logger(ctx, LOG_ERR, "controlgroup: %s: not found", arg); |
a93e79c6 RM |
1998 | return -1; |
1999 | } | |
2000 | ctx->control_group = grp->gr_gid; | |
2001 | #endif | |
2002 | break; | |
ee56a47d RM |
2003 | case O_GATEWAY: |
2004 | ifo->options |= DHCPCD_GATEWAY; | |
2005 | break; | |
1aeaf0e7 RM |
2006 | case O_SLAAC: |
2007 | if (strcmp(arg, "private") == 0 || | |
2008 | strcmp(arg, "stableprivate") == 0 || | |
2009 | strcmp(arg, "stable") == 0) | |
2010 | ifo->options |= DHCPCD_SLAACPRIVATE; | |
2011 | else | |
2012 | ifo->options &= ~DHCPCD_SLAACPRIVATE; | |
3ed12ab8 | 2013 | break; |
8f924434 RM |
2014 | case O_BOOTP: |
2015 | ifo->options |= DHCPCD_BOOTP; | |
2016 | break; | |
f572315d RM |
2017 | case O_NODELAY: |
2018 | ifo->options &= ~DHCPCD_INITIAL_DELAY; | |
2019 | break; | |
fd05b7dc RM |
2020 | default: |
2021 | return 0; | |
2022 | } | |
2023 | ||
2024 | return 1; | |
2025 | } | |
2026 | ||
2027 | static int | |
4eb7b489 RM |
2028 | parse_config_line(struct dhcpcd_ctx *ctx, const char *ifname, |
2029 | struct if_options *ifo, const char *opt, char *line, | |
2030 | struct dhcp_opt **ldop, struct dhcp_opt **edop) | |
fd05b7dc RM |
2031 | { |
2032 | unsigned int i; | |
2033 | ||
2034 | for (i = 0; i < sizeof(cf_options) / sizeof(cf_options[0]); i++) { | |
2035 | if (!cf_options[i].name || | |
2036 | strcmp(cf_options[i].name, opt) != 0) | |
2037 | continue; | |
2038 | ||
2039 | if (cf_options[i].has_arg == required_argument && !line) { | |
2040 | fprintf(stderr, | |
eab2229c RM |
2041 | PACKAGE ": option requires an argument -- %s\n", |
2042 | opt); | |
fd05b7dc RM |
2043 | return -1; |
2044 | } | |
2045 | ||
4eb7b489 RM |
2046 | return parse_option(ctx, ifname, ifo, cf_options[i].val, line, |
2047 | ldop, edop); | |
fd05b7dc RM |
2048 | } |
2049 | ||
069e2f28 | 2050 | logger(ctx, LOG_ERR, "unknown option: %s", opt); |
fd05b7dc RM |
2051 | return -1; |
2052 | } | |
2053 | ||
741f46c6 | 2054 | static void |
b0272a9d | 2055 | finish_config(struct if_options *ifo) |
741f46c6 RM |
2056 | { |
2057 | ||
2058 | /* Terminate the encapsulated options */ | |
2059 | if (ifo->vendor[0] && !(ifo->options & DHCPCD_VENDORRAW)) { | |
2060 | ifo->vendor[0]++; | |
2061 | ifo->vendor[ifo->vendor[0]] = DHO_END; | |
aeddc61a RM |
2062 | /* We are called twice. |
2063 | * This should be fixed, but in the meantime, this | |
2064 | * guard should suffice */ | |
2065 | ifo->options |= DHCPCD_VENDORRAW; | |
741f46c6 | 2066 | } |
b0272a9d | 2067 | } |
741f46c6 | 2068 | |
c1b54b57 RM |
2069 | /* Handy routine to read very long lines in text files. |
2070 | * This means we read the whole line and avoid any nasty buffer overflows. | |
2071 | * We strip leading space and avoid comment lines, making the code that calls | |
2072 | * us smaller. */ | |
2073 | static char * | |
4eb7b489 RM |
2074 | get_line(char ** __restrict buf, size_t * __restrict buflen, |
2075 | FILE * __restrict fp) | |
c1b54b57 RM |
2076 | { |
2077 | char *p; | |
2078 | ssize_t bytes; | |
2079 | ||
2080 | do { | |
2081 | bytes = getline(buf, buflen, fp); | |
2082 | if (bytes == -1) | |
2083 | return NULL; | |
2084 | for (p = *buf; *p == ' ' || *p == '\t'; p++) | |
2085 | ; | |
2086 | } while (*p == '\0' || *p == '\n' || *p == '#' || *p == ';'); | |
2087 | if ((*buf)[--bytes] == '\n') | |
2088 | (*buf)[bytes] = '\0'; | |
2089 | return p; | |
2090 | } | |
2091 | ||
fd05b7dc | 2092 | struct if_options * |
4eb7b489 | 2093 | read_config(struct dhcpcd_ctx *ctx, |
6f767217 | 2094 | const char *ifname, const char *ssid, const char *profile) |
fd05b7dc RM |
2095 | { |
2096 | struct if_options *ifo; | |
c1b54b57 | 2097 | FILE *fp; |
727d8459 | 2098 | struct stat sb; |
c1b54b57 RM |
2099 | char *line, *buf, *option, *p; |
2100 | size_t buflen; | |
fec195b5 | 2101 | ssize_t vlen; |
417c31a9 | 2102 | int skip, have_profile, new_block, had_block; |
1cd05a96 | 2103 | #ifndef EMBEDDED_CONFIG |
e2e644e9 | 2104 | const char * const *e; |
c1b54b57 | 2105 | size_t ol; |
1cd05a96 | 2106 | #endif |
d9fbb118 | 2107 | #if !defined(INET) || !defined(INET6) |
10cac699 | 2108 | size_t i; |
d9fbb118 RM |
2109 | struct dhcp_opt *opt; |
2110 | #endif | |
4eb7b489 | 2111 | struct dhcp_opt *ldop, *edop; |
fd05b7dc RM |
2112 | |
2113 | /* Seed our default options */ | |
10e17e3f RM |
2114 | ifo = calloc(1, sizeof(*ifo)); |
2115 | if (ifo == NULL) { | |
069e2f28 | 2116 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
10e17e3f RM |
2117 | return NULL; |
2118 | } | |
f572315d | 2119 | ifo->options |= DHCPCD_DAEMONISE | DHCPCD_LINK | DHCPCD_INITIAL_DELAY; |
413652c1 RM |
2120 | #ifdef PLUGIN_DEV |
2121 | ifo->options |= DHCPCD_DEV; | |
2122 | #endif | |
aae24feb | 2123 | #ifdef INET |
d4154ba7 | 2124 | ifo->options |= DHCPCD_IPV4 | DHCPCD_DHCP | DHCPCD_IPV4LL; |
00ababe4 | 2125 | ifo->options |= DHCPCD_GATEWAY | DHCPCD_ARP; |
aae24feb RM |
2126 | #endif |
2127 | #ifdef INET6 | |
62f12387 RM |
2128 | ifo->options |= DHCPCD_IPV6 | DHCPCD_IPV6RS; |
2129 | ifo->options |= DHCPCD_IPV6RA_AUTOCONF | DHCPCD_IPV6RA_REQRDNSS; | |
d4154ba7 | 2130 | ifo->options |= DHCPCD_DHCP6; |
aae24feb | 2131 | #endif |
fd05b7dc | 2132 | ifo->timeout = DEFAULT_TIMEOUT; |
a2a9a498 | 2133 | ifo->reboot = DEFAULT_REBOOT; |
f43e5853 | 2134 | ifo->metric = -1; |
c73ed171 RM |
2135 | ifo->auth.options |= DHCPCD_AUTH_REQUIRE; |
2136 | TAILQ_INIT(&ifo->auth.tokens); | |
793c4286 | 2137 | |
fec195b5 RM |
2138 | vlen = dhcp_vendor((char *)ifo->vendorclassid + 1, |
2139 | sizeof(ifo->vendorclassid) - 1); | |
d7a4dcf9 | 2140 | ifo->vendorclassid[0] = (uint8_t)(vlen == -1 ? 0 : vlen); |
fd05b7dc | 2141 | |
c1b54b57 RM |
2142 | buf = NULL; |
2143 | buflen = 0; | |
2144 | ||
8e7d8c37 | 2145 | /* Parse our embedded options file */ |
1cd05a96 RM |
2146 | if (ifname == NULL) { |
2147 | /* Space for initial estimates */ | |
2148 | #if defined(INET) && defined(INITDEFINES) | |
2149 | ifo->dhcp_override = | |
2150 | calloc(INITDEFINES, sizeof(*ifo->dhcp_override)); | |
2151 | if (ifo->dhcp_override == NULL) | |
069e2f28 | 2152 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
1cd05a96 RM |
2153 | else |
2154 | ifo->dhcp_override_len = INITDEFINES; | |
2155 | #endif | |
2156 | ||
2be15e88 RM |
2157 | #if defined(INET6) && defined(INITDEFINENDS) |
2158 | ifo->nd_override = | |
2159 | calloc(INITDEFINENDS, sizeof(*ifo->nd_override)); | |
2160 | if (ifo->nd_override == NULL) | |
2161 | logger(ctx, LOG_ERR, "%s: %m", __func__); | |
2162 | else | |
2163 | ifo->nd_override_len = INITDEFINENDS; | |
2164 | #endif | |
1cd05a96 RM |
2165 | #if defined(INET6) && defined(INITDEFINE6S) |
2166 | ifo->dhcp6_override = | |
2167 | calloc(INITDEFINE6S, sizeof(*ifo->dhcp6_override)); | |
2168 | if (ifo->dhcp6_override == NULL) | |
069e2f28 | 2169 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
1cd05a96 | 2170 | else |
d9fbb118 | 2171 | ifo->dhcp6_override_len = INITDEFINE6S; |
1cd05a96 RM |
2172 | #endif |
2173 | ||
2174 | /* Now load our embedded config */ | |
2175 | #ifdef EMBEDDED_CONFIG | |
c1b54b57 RM |
2176 | fp = fopen(EMBEDDED_CONFIG, "r"); |
2177 | if (fp == NULL) | |
069e2f28 | 2178 | logger(ctx, LOG_ERR, "fopen `%s': %m", EMBEDDED_CONFIG); |
1cd05a96 | 2179 | |
c1b54b57 | 2180 | while (fp && (line = get_line(&buf, &buflen, fp))) { |
1cd05a96 | 2181 | #else |
a319fa53 RM |
2182 | buflen = 80; |
2183 | buf = malloc(buflen); | |
2184 | if (buf == NULL) { | |
069e2f28 | 2185 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
1cd05a96 RM |
2186 | return NULL; |
2187 | } | |
4eb7b489 | 2188 | ldop = edop = NULL; |
1cd05a96 RM |
2189 | for (e = dhcpcd_embedded_conf; *e; e++) { |
2190 | ol = strlen(*e) + 1; | |
a319fa53 | 2191 | if (ol > buflen) { |
a319fa53 | 2192 | buflen = ol; |
967db595 | 2193 | buf = realloc(buf, buflen); |
a319fa53 | 2194 | if (buf == NULL) { |
069e2f28 | 2195 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
967db595 | 2196 | free(buf); |
1cd05a96 RM |
2197 | return NULL; |
2198 | } | |
2199 | } | |
a319fa53 RM |
2200 | memcpy(buf, *e, ol); |
2201 | line = buf; | |
1cd05a96 | 2202 | #endif |
8e7d8c37 | 2203 | option = strsep(&line, " \t"); |
ab371aa6 RM |
2204 | if (line) |
2205 | line = strskipwhite(line); | |
8e7d8c37 RM |
2206 | /* Trim trailing whitespace */ |
2207 | if (line && *line) { | |
2208 | p = line + strlen(line) - 1; | |
2209 | while (p != line && | |
2210 | (*p == ' ' || *p == '\t') && | |
2211 | *(p - 1) != '\\') | |
2212 | *p-- = '\0'; | |
2213 | } | |
4eb7b489 RM |
2214 | parse_config_line(ctx, NULL, ifo, option, line, |
2215 | &ldop, &edop); | |
1cd05a96 | 2216 | |
8e7d8c37 | 2217 | } |
1cd05a96 RM |
2218 | |
2219 | #ifdef EMBEDDED_CONFIG | |
c1b54b57 RM |
2220 | if (fp) |
2221 | fclose(fp); | |
1cd05a96 RM |
2222 | #endif |
2223 | #ifdef INET | |
4eb7b489 RM |
2224 | ctx->dhcp_opts = ifo->dhcp_override; |
2225 | ctx->dhcp_opts_len = ifo->dhcp_override_len; | |
1cd05a96 | 2226 | #else |
d9fbb118 RM |
2227 | for (i = 0, opt = ifo->dhcp_override; |
2228 | i < ifo->dhcp_override_len; | |
2229 | i++, opt++) | |
2230 | free_dhcp_opt_embenc(opt); | |
1cd05a96 RM |
2231 | free(ifo->dhcp_override); |
2232 | #endif | |
2233 | ifo->dhcp_override = NULL; | |
2234 | ifo->dhcp_override_len = 0; | |
2235 | ||
2236 | #ifdef INET6 | |
2be15e88 RM |
2237 | ctx->nd_opts = ifo->nd_override; |
2238 | ctx->nd_opts_len = ifo->nd_override_len; | |
4eb7b489 RM |
2239 | ctx->dhcp6_opts = ifo->dhcp6_override; |
2240 | ctx->dhcp6_opts_len = ifo->dhcp6_override_len; | |
1cd05a96 | 2241 | #else |
2be15e88 RM |
2242 | for (i = 0, opt = ifo->nd_override; |
2243 | i < ifo->nd_override_len; | |
2244 | i++, opt++) | |
2245 | free_dhcp_opt_embenc(opt); | |
2246 | free(ifo->nd_override); | |
d9fbb118 | 2247 | for (i = 0, opt = ifo->dhcp6_override; |
10cac699 | 2248 | i < ifo->dhcp6_override_len; |
d9fbb118 RM |
2249 | i++, opt++) |
2250 | free_dhcp_opt_embenc(opt); | |
1cd05a96 RM |
2251 | free(ifo->dhcp6_override); |
2252 | #endif | |
2be15e88 RM |
2253 | ifo->nd_override = NULL; |
2254 | ifo->nd_override_len = 0; | |
1cd05a96 RM |
2255 | ifo->dhcp6_override = NULL; |
2256 | ifo->dhcp6_override_len = 0; | |
7a911e57 | 2257 | |
4eb7b489 RM |
2258 | ctx->vivso = ifo->vivso_override; |
2259 | ctx->vivso_len = ifo->vivso_override_len; | |
7a911e57 RM |
2260 | ifo->vivso_override = NULL; |
2261 | ifo->vivso_override_len = 0; | |
8e7d8c37 RM |
2262 | } |
2263 | ||
fd05b7dc | 2264 | /* Parse our options file */ |
4eb7b489 | 2265 | fp = fopen(ctx->cffile, "r"); |
c1b54b57 | 2266 | if (fp == NULL) { |
4eb7b489 | 2267 | if (strcmp(ctx->cffile, CONFIG)) |
069e2f28 | 2268 | logger(ctx, LOG_ERR, "fopen `%s': %m", ctx->cffile); |
c1b54b57 | 2269 | free(buf); |
fd05b7dc | 2270 | return ifo; |
5e2062a4 | 2271 | } |
727d8459 RM |
2272 | if (stat(ctx->cffile, &sb) == 0) |
2273 | ifo->mtime = sb.st_mtime; | |
fd05b7dc | 2274 | |
4eb7b489 | 2275 | ldop = edop = NULL; |
417c31a9 | 2276 | skip = have_profile = new_block = 0; |
d42067b8 | 2277 | had_block = ifname == NULL ? 1 : 0; |
c1b54b57 | 2278 | while ((line = get_line(&buf, &buflen, fp))) { |
e1caa8db | 2279 | option = strsep(&line, " \t"); |
ab371aa6 RM |
2280 | if (line) |
2281 | line = strskipwhite(line); | |
fd05b7dc RM |
2282 | /* Trim trailing whitespace */ |
2283 | if (line && *line) { | |
2284 | p = line + strlen(line) - 1; | |
2285 | while (p != line && | |
eab2229c RM |
2286 | (*p == ' ' || *p == '\t') && |
2287 | *(p - 1) != '\\') | |
fd05b7dc RM |
2288 | *p-- = '\0'; |
2289 | } | |
d42067b8 | 2290 | if (skip == 0 && new_block) { |
edb0ed37 RM |
2291 | had_block = 1; |
2292 | new_block = 0; | |
2293 | ifo->options &= ~DHCPCD_WAITOPTS; | |
2294 | } | |
fd05b7dc RM |
2295 | /* Start of an interface block, skip if not ours */ |
2296 | if (strcmp(option, "interface") == 0) { | |
4d91c2e7 RM |
2297 | char **n; |
2298 | ||
edb0ed37 | 2299 | new_block = 1; |
fd05b7dc RM |
2300 | if (ifname && line && strcmp(line, ifname) == 0) |
2301 | skip = 0; | |
2302 | else | |
2303 | skip = 1; | |
4d91c2e7 RM |
2304 | if (ifname) |
2305 | continue; | |
2306 | ||
2307 | n = realloc(ctx->ifcv, | |
2308 | sizeof(char *) * ((size_t)ctx->ifcc + 1)); | |
2309 | if (n == NULL) { | |
069e2f28 | 2310 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
4d91c2e7 RM |
2311 | continue; |
2312 | } | |
2313 | ctx->ifcv = n; | |
2314 | ctx->ifcv[ctx->ifcc] = strdup(line); | |
2315 | if (ctx->ifcv[ctx->ifcc] == NULL) { | |
069e2f28 | 2316 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
4d91c2e7 RM |
2317 | continue; |
2318 | } | |
2319 | ctx->ifcc++; | |
069e2f28 | 2320 | logger(ctx, LOG_DEBUG, "allowing interface %s", |
4d91c2e7 | 2321 | ctx->ifcv[ctx->ifcc - 1]); |
fd05b7dc | 2322 | continue; |
c53cf4ef RM |
2323 | } |
2324 | /* Start of an ssid block, skip if not ours */ | |
2325 | if (strcmp(option, "ssid") == 0) { | |
edb0ed37 | 2326 | new_block = 1; |
c53cf4ef RM |
2327 | if (ssid && line && strcmp(line, ssid) == 0) |
2328 | skip = 0; | |
2329 | else | |
2330 | skip = 1; | |
2331 | continue; | |
fd05b7dc | 2332 | } |
6f767217 RM |
2333 | /* Start of a profile block, skip if not ours */ |
2334 | if (strcmp(option, "profile") == 0) { | |
edb0ed37 | 2335 | new_block = 1; |
6f767217 RM |
2336 | if (profile && line && strcmp(line, profile) == 0) { |
2337 | skip = 0; | |
2338 | have_profile = 1; | |
2339 | } else | |
2340 | skip = 1; | |
2341 | continue; | |
2342 | } | |
ba7a34fb RM |
2343 | /* Skip arping if we have selected a profile but not parsing |
2344 | * one. */ | |
2345 | if (profile && !have_profile && strcmp(option, "arping") == 0) | |
2346 | continue; | |
fd05b7dc RM |
2347 | if (skip) |
2348 | continue; | |
4eb7b489 | 2349 | parse_config_line(ctx, ifname, ifo, option, line, &ldop, &edop); |
fd05b7dc | 2350 | } |
c1b54b57 RM |
2351 | fclose(fp); |
2352 | free(buf); | |
fd05b7dc | 2353 | |
6f767217 RM |
2354 | if (profile && !have_profile) { |
2355 | free_options(ifo); | |
2356 | errno = ENOENT; | |
658bfd5e | 2357 | return NULL; |
6f767217 RM |
2358 | } |
2359 | ||
edb0ed37 RM |
2360 | if (!had_block) |
2361 | ifo->options &= ~DHCPCD_WAITOPTS; | |
b0272a9d | 2362 | finish_config(ifo); |
fd05b7dc RM |
2363 | return ifo; |
2364 | } | |
2365 | ||
2366 | int | |
4eb7b489 RM |
2367 | add_options(struct dhcpcd_ctx *ctx, const char *ifname, |
2368 | struct if_options *ifo, int argc, char **argv) | |
fd05b7dc | 2369 | { |
29c0fd6f | 2370 | int oi, opt, r; |
edb0ed37 | 2371 | unsigned long long wait_opts; |
29c0fd6f RM |
2372 | |
2373 | if (argc == 0) | |
2374 | return 1; | |
fd05b7dc RM |
2375 | |
2376 | optind = 0; | |
29c0fd6f | 2377 | r = 1; |
edb0ed37 RM |
2378 | /* Don't apply the command line wait options to each interface, |
2379 | * only use the dhcpcd.conf entry for that. */ | |
2380 | if (ifname != NULL) | |
2381 | wait_opts = ifo->options & DHCPCD_WAITOPTS; | |
fd05b7dc RM |
2382 | while ((opt = getopt_long(argc, argv, IF_OPTS, cf_options, &oi)) != -1) |
2383 | { | |
4eb7b489 | 2384 | r = parse_option(ctx, ifname, ifo, opt, optarg, NULL, NULL); |
fd05b7dc RM |
2385 | if (r != 1) |
2386 | break; | |
2387 | } | |
edb0ed37 RM |
2388 | if (ifname != NULL) { |
2389 | ifo->options &= ~DHCPCD_WAITOPTS; | |
2390 | ifo->options |= wait_opts; | |
2391 | } | |
741f46c6 | 2392 | |
b0272a9d | 2393 | finish_config(ifo); |
fd05b7dc RM |
2394 | return r; |
2395 | } | |
2396 | ||
2397 | void | |
2398 | free_options(struct if_options *ifo) | |
2399 | { | |
2400 | size_t i; | |
d9fbb118 | 2401 | struct dhcp_opt *opt; |
900b6f94 | 2402 | struct vivco *vo; |
c73ed171 | 2403 | struct token *token; |
fd05b7dc | 2404 | |
f43e5853 RM |
2405 | if (ifo) { |
2406 | if (ifo->environ) { | |
2407 | i = 0; | |
2408 | while (ifo->environ[i]) | |
2409 | free(ifo->environ[i++]); | |
2410 | free(ifo->environ); | |
2411 | } | |
91a44b91 RM |
2412 | if (ifo->config) { |
2413 | i = 0; | |
2414 | while (ifo->config[i]) | |
2415 | free(ifo->config[i++]); | |
2416 | free(ifo->config); | |
2417 | } | |
e88c525f | 2418 | ipv4_freeroutes(ifo->routes); |
1681b126 | 2419 | free(ifo->script); |
ff021b0b | 2420 | free(ifo->arping); |
f43e5853 | 2421 | free(ifo->blacklist); |
ff021b0b | 2422 | free(ifo->fallback); |
8e7d8c37 | 2423 | |
59a555cd RM |
2424 | for (opt = ifo->dhcp_override; |
2425 | ifo->dhcp_override_len > 0; | |
2426 | opt++, ifo->dhcp_override_len--) | |
d9fbb118 | 2427 | free_dhcp_opt_embenc(opt); |
8e7d8c37 | 2428 | free(ifo->dhcp_override); |
2be15e88 RM |
2429 | for (opt = ifo->nd_override; |
2430 | ifo->nd_override_len > 0; | |
2431 | opt++, ifo->nd_override_len--) | |
2432 | free_dhcp_opt_embenc(opt); | |
2433 | free(ifo->nd_override); | |
59a555cd RM |
2434 | for (opt = ifo->dhcp6_override; |
2435 | ifo->dhcp6_override_len > 0; | |
2436 | opt++, ifo->dhcp6_override_len--) | |
7a911e57 RM |
2437 | free_dhcp_opt_embenc(opt); |
2438 | free(ifo->dhcp6_override); | |
59a555cd RM |
2439 | for (vo = ifo->vivco; |
2440 | ifo->vivco_len > 0; | |
2441 | vo++, ifo->vivco_len--) | |
900b6f94 RM |
2442 | free(vo->data); |
2443 | free(ifo->vivco); | |
59a555cd RM |
2444 | for (opt = ifo->vivso_override; |
2445 | ifo->vivso_override_len > 0; | |
2446 | opt++, ifo->vivso_override_len--) | |
7a911e57 | 2447 | free_dhcp_opt_embenc(opt); |
900b6f94 | 2448 | free(ifo->vivso_override); |
8e7d8c37 | 2449 | |
00ababe4 | 2450 | #ifdef INET6 |
59a555cd RM |
2451 | for (; ifo->ia_len > 0; ifo->ia_len--) |
2452 | free(ifo->ia[ifo->ia_len - 1].sla); | |
00ababe4 | 2453 | #endif |
ebc9d360 RM |
2454 | free(ifo->ia); |
2455 | ||
c73ed171 RM |
2456 | while ((token = TAILQ_FIRST(&ifo->auth.tokens))) { |
2457 | TAILQ_REMOVE(&ifo->auth.tokens, token, next); | |
2458 | if (token->realm_len) | |
2459 | free(token->realm); | |
2460 | free(token->key); | |
2461 | free(token); | |
2462 | } | |
f43e5853 | 2463 | free(ifo); |
fd05b7dc | 2464 | } |
fd05b7dc | 2465 | } |