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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 |
9d5cb9f9 | 97 | #define O_PFXDLGMIX 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 |
413652c1 | 104 | |
fd05b7dc | 105 | const struct option cf_options[] = { |
ba97e494 RM |
106 | {"background", no_argument, NULL, 'b'}, |
107 | {"script", required_argument, NULL, 'c'}, | |
108 | {"debug", no_argument, NULL, 'd'}, | |
6bfd88f1 | 109 | {"env", required_argument, NULL, 'e'}, |
ba97e494 | 110 | {"config", required_argument, NULL, 'f'}, |
6bfd88f1 | 111 | {"reconfigure", no_argument, NULL, 'g'}, |
ba97e494 RM |
112 | {"hostname", optional_argument, NULL, 'h'}, |
113 | {"vendorclassid", optional_argument, NULL, 'i'}, | |
069e2f28 | 114 | {"logfile", required_argument, NULL, 'j'}, |
ba97e494 RM |
115 | {"release", no_argument, NULL, 'k'}, |
116 | {"leasetime", required_argument, NULL, 'l'}, | |
117 | {"metric", required_argument, NULL, 'm'}, | |
118 | {"rebind", no_argument, NULL, 'n'}, | |
119 | {"option", required_argument, NULL, 'o'}, | |
120 | {"persistent", no_argument, NULL, 'p'}, | |
121 | {"quiet", no_argument, NULL, 'q'}, | |
122 | {"request", optional_argument, NULL, 'r'}, | |
123 | {"inform", optional_argument, NULL, 's'}, | |
124 | {"timeout", required_argument, NULL, 't'}, | |
125 | {"userclass", required_argument, NULL, 'u'}, | |
126 | {"vendor", required_argument, NULL, 'v'}, | |
7013b073 | 127 | {"waitip", optional_argument, NULL, 'w'}, |
ba97e494 | 128 | {"exit", no_argument, NULL, 'x'}, |
d3088c74 | 129 | {"allowinterfaces", required_argument, NULL, 'z'}, |
a2a9a498 | 130 | {"reboot", required_argument, NULL, 'y'}, |
ba97e494 RM |
131 | {"noarp", no_argument, NULL, 'A'}, |
132 | {"nobackground", no_argument, NULL, 'B'}, | |
133 | {"nohook", required_argument, NULL, 'C'}, | |
134 | {"duid", no_argument, NULL, 'D'}, | |
135 | {"lastlease", no_argument, NULL, 'E'}, | |
136 | {"fqdn", optional_argument, NULL, 'F'}, | |
137 | {"nogateway", no_argument, NULL, 'G'}, | |
00ababe4 | 138 | {"xidhwaddr", no_argument, NULL, 'H'}, |
ba97e494 | 139 | {"clientid", optional_argument, NULL, 'I'}, |
900b3da4 | 140 | {"broadcast", no_argument, NULL, 'J'}, |
ba97e494 RM |
141 | {"nolink", no_argument, NULL, 'K'}, |
142 | {"noipv4ll", no_argument, NULL, 'L'}, | |
b3174181 | 143 | {"master", no_argument, NULL, 'M'}, |
ba97e494 RM |
144 | {"nooption", optional_argument, NULL, 'O'}, |
145 | {"require", required_argument, NULL, 'Q'}, | |
91a44b91 | 146 | {"static", required_argument, NULL, 'S'}, |
ba97e494 | 147 | {"test", no_argument, NULL, 'T'}, |
dc60cba4 | 148 | {"dumplease", no_argument, NULL, 'U'}, |
ba97e494 | 149 | {"variables", no_argument, NULL, 'V'}, |
bf80d526 | 150 | {"whitelist", required_argument, NULL, 'W'}, |
ba97e494 | 151 | {"blacklist", required_argument, NULL, 'X'}, |
d3088c74 | 152 | {"denyinterfaces", required_argument, NULL, 'Z'}, |
4ca7460f | 153 | {"arping", required_argument, NULL, O_ARPING}, |
41c60e02 | 154 | {"destination", required_argument, NULL, O_DESTINATION}, |
ff021b0b | 155 | {"fallback", required_argument, NULL, O_FALLBACK}, |
eebe9a18 | 156 | {"ipv6rs", no_argument, NULL, O_IPV6RS}, |
91cd7324 | 157 | {"noipv6rs", no_argument, NULL, O_NOIPV6RS}, |
62f12387 RM |
158 | {"ipv6ra_autoconf", no_argument, NULL, O_IPV6RA_AUTOCONF}, |
159 | {"ipv6ra_noautoconf", no_argument, NULL, O_IPV6RA_NOAUTOCONF}, | |
eebe9a18 RM |
160 | {"ipv6ra_fork", no_argument, NULL, O_IPV6RA_FORK}, |
161 | {"ipv6ra_own", no_argument, NULL, O_IPV6RA_OWN}, | |
162 | {"ipv6ra_own_default", no_argument, NULL, O_IPV6RA_OWN_D}, | |
4f0240bf | 163 | {"ipv6ra_accept_nopublic", no_argument, NULL, O_IPV6RA_ACCEPT_NOPUBLIC}, |
d7555c12 RM |
164 | {"ipv4only", no_argument, NULL, '4'}, |
165 | {"ipv6only", no_argument, NULL, '6'}, | |
94bec972 | 166 | {"ipv4", no_argument, NULL, O_IPV4}, |
bb8051bf | 167 | {"noipv4", no_argument, NULL, O_NOIPV4}, |
94bec972 | 168 | {"ipv6", no_argument, NULL, O_IPV6}, |
bb8051bf | 169 | {"noipv6", no_argument, NULL, O_NOIPV6}, |
7dab081f | 170 | {"noalias", no_argument, NULL, O_NOALIAS}, |
7a911e57 | 171 | {"iaid", required_argument, NULL, O_IAID}, |
00ababe4 RM |
172 | {"ia_na", no_argument, NULL, O_IA_NA}, |
173 | {"ia_ta", no_argument, NULL, O_IA_TA}, | |
174 | {"ia_pd", no_argument, NULL, O_IA_PD}, | |
d6a18654 | 175 | {"hostname_short", no_argument, NULL, O_HOSTNAME_SHORT}, |
413652c1 RM |
176 | {"dev", required_argument, NULL, O_DEV}, |
177 | {"nodev", no_argument, NULL, O_NODEV}, | |
7a911e57 | 178 | {"define", required_argument, NULL, O_DEFINE}, |
2be15e88 | 179 | {"definend", required_argument, NULL, O_DEFINEND}, |
7a911e57 RM |
180 | {"define6", required_argument, NULL, O_DEFINE6}, |
181 | {"embed", required_argument, NULL, O_EMBED}, | |
182 | {"encap", required_argument, NULL, O_ENCAP}, | |
183 | {"vendopt", required_argument, NULL, O_VENDOPT}, | |
184 | {"vendclass", required_argument, NULL, O_VENDCLASS}, | |
c73ed171 RM |
185 | {"authprotocol", required_argument, NULL, O_AUTHPROTOCOL}, |
186 | {"authtoken", required_argument, NULL, O_AUTHTOKEN}, | |
187 | {"noauthrequired", no_argument, NULL, O_AUTHNOTREQUIRED}, | |
94bec972 | 188 | {"dhcp", no_argument, NULL, O_DHCP}, |
d4154ba7 | 189 | {"nodhcp", no_argument, NULL, O_NODHCP}, |
94bec972 | 190 | {"dhcp6", no_argument, NULL, O_DHCP6}, |
d4154ba7 | 191 | {"nodhcp6", no_argument, NULL, O_NODHCP6}, |
a93e79c6 | 192 | {"controlgroup", required_argument, NULL, O_CONTROLGRP}, |
1aeaf0e7 | 193 | {"slaac", required_argument, NULL, O_SLAAC}, |
3d3e410f | 194 | {"gateway", no_argument, NULL, O_GATEWAY}, |
9d5cb9f9 | 195 | {"ia_pd_mix", no_argument, NULL, O_PFXDLGMIX}, |
85bff648 | 196 | {"reject", required_argument, NULL, O_REJECT}, |
8f924434 | 197 | {"bootp", no_argument, NULL, O_BOOTP}, |
ba97e494 | 198 | {NULL, 0, NULL, '\0'} |
fd05b7dc RM |
199 | }; |
200 | ||
00ababe4 | 201 | static char * |
069e2f28 RM |
202 | add_environ(struct dhcpcd_ctx *ctx, struct if_options *ifo, |
203 | const char *value, int uniq) | |
fd05b7dc RM |
204 | { |
205 | char **newlist; | |
206 | char **lst = ifo->environ; | |
207 | size_t i = 0, l, lv; | |
fa245a4d | 208 | char *match = NULL, *p, *n; |
fd05b7dc | 209 | |
78369646 RM |
210 | match = strdup(value); |
211 | if (match == NULL) { | |
069e2f28 | 212 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
78369646 RM |
213 | return NULL; |
214 | } | |
fd05b7dc | 215 | p = strchr(match, '='); |
d7cfde68 | 216 | if (p == NULL) { |
069e2f28 | 217 | logger(ctx, LOG_ERR, "%s: no assignment: %s", __func__, value); |
d7cfde68 RM |
218 | free(match); |
219 | return NULL; | |
220 | } | |
221 | *p++ = '\0'; | |
fd05b7dc RM |
222 | l = strlen(match); |
223 | ||
224 | while (lst && lst[i]) { | |
225 | if (match && strncmp(lst[i], match, l) == 0) { | |
226 | if (uniq) { | |
78369646 RM |
227 | n = strdup(value); |
228 | if (n == NULL) { | |
069e2f28 RM |
229 | logger(ctx, LOG_ERR, |
230 | "%s: %m", __func__); | |
8fc52ced | 231 | free(match); |
78369646 RM |
232 | return NULL; |
233 | } | |
fd05b7dc | 234 | free(lst[i]); |
78369646 | 235 | lst[i] = n; |
fd05b7dc RM |
236 | } else { |
237 | /* Append a space and the value to it */ | |
238 | l = strlen(lst[i]); | |
d7cfde68 | 239 | lv = strlen(p); |
fa245a4d RM |
240 | n = realloc(lst[i], l + lv + 2); |
241 | if (n == NULL) { | |
069e2f28 RM |
242 | logger(ctx, LOG_ERR, |
243 | "%s: %m", __func__); | |
8fc52ced | 244 | free(match); |
fa245a4d RM |
245 | return NULL; |
246 | } | |
247 | lst[i] = n; | |
fd05b7dc RM |
248 | lst[i][l] = ' '; |
249 | memcpy(lst[i] + l + 1, p, lv); | |
250 | lst[i][l + lv + 1] = '\0'; | |
251 | } | |
252 | free(match); | |
253 | return lst[i]; | |
254 | } | |
255 | i++; | |
256 | } | |
257 | ||
8fc52ced | 258 | free(match); |
78369646 RM |
259 | n = strdup(value); |
260 | if (n == NULL) { | |
069e2f28 | 261 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
78369646 RM |
262 | return NULL; |
263 | } | |
fa245a4d RM |
264 | newlist = realloc(lst, sizeof(char *) * (i + 2)); |
265 | if (newlist == NULL) { | |
069e2f28 | 266 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
8fc52ced | 267 | free(n); |
fa245a4d RM |
268 | return NULL; |
269 | } | |
78369646 | 270 | newlist[i] = n; |
fd05b7dc RM |
271 | newlist[i + 1] = NULL; |
272 | ifo->environ = newlist; | |
fd05b7dc RM |
273 | return newlist[i]; |
274 | } | |
275 | ||
276 | #define parse_string(buf, len, arg) parse_string_hwaddr(buf, len, arg, 0) | |
277 | static ssize_t | |
34457fe6 | 278 | parse_string_hwaddr(char *sbuf, size_t slen, const char *str, int clid) |
fd05b7dc | 279 | { |
34457fe6 | 280 | size_t l; |
fd05b7dc RM |
281 | const char *p; |
282 | int i, punt_last = 0; | |
283 | char c[4]; | |
284 | ||
285 | /* If surrounded by quotes then it's a string */ | |
286 | if (*str == '"') { | |
287 | str++; | |
288 | l = strlen(str); | |
289 | p = str + l - 1; | |
290 | if (*p == '"') | |
291 | punt_last = 1; | |
292 | } else { | |
34457fe6 RM |
293 | l = (size_t)hwaddr_aton(NULL, str); |
294 | if ((ssize_t) l != -1 && l > 1) { | |
fd05b7dc RM |
295 | if (l > slen) { |
296 | errno = ENOBUFS; | |
297 | return -1; | |
298 | } | |
299 | hwaddr_aton((uint8_t *)sbuf, str); | |
34457fe6 | 300 | return (ssize_t)l; |
fd05b7dc RM |
301 | } |
302 | } | |
303 | ||
304 | /* Process escapes */ | |
305 | l = 0; | |
306 | /* If processing a string on the clientid, first byte should be | |
307 | * 0 to indicate a non hardware type */ | |
9c9ad2f1 | 308 | if (clid && *str) { |
7a911e57 RM |
309 | if (sbuf) |
310 | *sbuf++ = 0; | |
fd05b7dc RM |
311 | l++; |
312 | } | |
313 | c[3] = '\0'; | |
314 | while (*str) { | |
7a911e57 | 315 | if (++l > slen && sbuf) { |
fd05b7dc RM |
316 | errno = ENOBUFS; |
317 | return -1; | |
318 | } | |
319 | if (*str == '\\') { | |
320 | str++; | |
857576b4 | 321 | switch(*str) { |
fd05b7dc RM |
322 | case '\0': |
323 | break; | |
324 | case 'b': | |
7a911e57 RM |
325 | if (sbuf) |
326 | *sbuf++ = '\b'; | |
857576b4 | 327 | str++; |
fd05b7dc RM |
328 | break; |
329 | case 'n': | |
7a911e57 RM |
330 | if (sbuf) |
331 | *sbuf++ = '\n'; | |
857576b4 | 332 | str++; |
fd05b7dc RM |
333 | break; |
334 | case 'r': | |
7a911e57 RM |
335 | if (sbuf) |
336 | *sbuf++ = '\r'; | |
857576b4 | 337 | str++; |
fd05b7dc RM |
338 | break; |
339 | case 't': | |
7a911e57 RM |
340 | if (sbuf) |
341 | *sbuf++ = '\t'; | |
857576b4 | 342 | str++; |
fd05b7dc RM |
343 | break; |
344 | case 'x': | |
345 | /* Grab a hex code */ | |
346 | c[1] = '\0'; | |
347 | for (i = 0; i < 2; i++) { | |
348 | if (isxdigit((unsigned char)*str) == 0) | |
349 | break; | |
350 | c[i] = *str++; | |
351 | } | |
7a911e57 | 352 | if (c[1] != '\0' && sbuf) { |
fd05b7dc | 353 | c[2] = '\0'; |
34457fe6 | 354 | *sbuf++ = (char)strtol(c, NULL, 16); |
fd05b7dc RM |
355 | } else |
356 | l--; | |
357 | break; | |
358 | case '0': | |
359 | /* Grab an octal code */ | |
360 | c[2] = '\0'; | |
361 | for (i = 0; i < 3; i++) { | |
362 | if (*str < '0' || *str > '7') | |
363 | break; | |
364 | c[i] = *str++; | |
365 | } | |
7a911e57 | 366 | if (c[2] != '\0' && sbuf) { |
34457fe6 | 367 | i = (int)strtol(c, NULL, 8); |
fd05b7dc RM |
368 | if (i > 255) |
369 | i = 255; | |
34457fe6 | 370 | *sbuf ++= (char)i; |
fd05b7dc RM |
371 | } else |
372 | l--; | |
373 | break; | |
374 | default: | |
7a911e57 RM |
375 | if (sbuf) |
376 | *sbuf++ = *str; | |
377 | str++; | |
378 | break; | |
fd05b7dc | 379 | } |
7a911e57 RM |
380 | } else { |
381 | if (sbuf) | |
382 | *sbuf++ = *str; | |
383 | str++; | |
384 | } | |
fd05b7dc | 385 | } |
c35f63c8 | 386 | if (punt_last) { |
7a911e57 RM |
387 | if (sbuf) |
388 | *--sbuf = '\0'; | |
c35f63c8 RM |
389 | l--; |
390 | } | |
34457fe6 | 391 | return (ssize_t)l; |
fd05b7dc RM |
392 | } |
393 | ||
ebc9d360 | 394 | static int |
c73ed171 | 395 | parse_iaid1(uint8_t *iaid, const char *arg, size_t len, int n) |
ebc9d360 | 396 | { |
f94b4eab RM |
397 | int e; |
398 | uint32_t narg; | |
34457fe6 | 399 | ssize_t s; |
ebc9d360 | 400 | |
f94b4eab RM |
401 | narg = (uint32_t)strtou(arg, NULL, 0, 0, UINT32_MAX, &e); |
402 | if (e == 0) { | |
c73ed171 | 403 | if (n) |
f94b4eab RM |
404 | narg = htonl(narg); |
405 | memcpy(iaid, &narg, sizeof(narg)); | |
ebc9d360 RM |
406 | return 0; |
407 | } | |
408 | ||
069e2f28 | 409 | if ((s = parse_string((char *)iaid, len, arg)) < 1) |
ebc9d360 | 410 | return -1; |
ebc9d360 RM |
411 | if (s < 4) |
412 | iaid[3] = '\0'; | |
413 | if (s < 3) | |
414 | iaid[2] = '\0'; | |
415 | if (s < 2) | |
416 | iaid[1] = '\0'; | |
417 | return 0; | |
418 | } | |
419 | ||
c73ed171 RM |
420 | static int |
421 | parse_iaid(uint8_t *iaid, const char *arg, size_t len) | |
422 | { | |
423 | ||
424 | return parse_iaid1(iaid, arg, len, 1); | |
425 | } | |
426 | ||
427 | static int | |
428 | parse_uint32(uint32_t *i, const char *arg) | |
429 | { | |
430 | ||
431 | return parse_iaid1((uint8_t *)i, arg, sizeof(uint32_t), 0); | |
432 | } | |
433 | ||
ba97e494 | 434 | static char ** |
069e2f28 | 435 | splitv(struct dhcpcd_ctx *ctx, int *argc, char **argv, const char *arg) |
ba97e494 | 436 | { |
fa245a4d | 437 | char **n, **v = argv; |
78369646 | 438 | char *o = strdup(arg), *p, *t, *nt; |
ba97e494 | 439 | |
78369646 | 440 | if (o == NULL) { |
069e2f28 | 441 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
78369646 RM |
442 | return v; |
443 | } | |
ba97e494 RM |
444 | p = o; |
445 | while ((t = strsep(&p, ", "))) { | |
fa245a4d RM |
446 | nt = strdup(t); |
447 | if (nt == NULL) { | |
069e2f28 | 448 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
8fc52ced RM |
449 | free(o); |
450 | return v; | |
fa245a4d | 451 | } |
34457fe6 | 452 | n = realloc(v, sizeof(char *) * ((size_t)(*argc) + 1)); |
fa245a4d | 453 | if (n == NULL) { |
069e2f28 | 454 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
8fc52ced RM |
455 | free(o); |
456 | free(nt); | |
457 | return v; | |
fa245a4d RM |
458 | } |
459 | v = n; | |
8fc52ced | 460 | v[(*argc)++] = nt; |
ba97e494 RM |
461 | } |
462 | free(o); | |
00ababe4 | 463 | return v; |
ba97e494 RM |
464 | } |
465 | ||
1f4c1525 | 466 | #ifdef INET |
91a44b91 | 467 | static int |
069e2f28 RM |
468 | parse_addr(struct dhcpcd_ctx *ctx, |
469 | struct in_addr *addr, struct in_addr *net, const char *arg) | |
91a44b91 RM |
470 | { |
471 | char *p; | |
472 | int i; | |
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 RM |
481 | if ((p = strchr(arg, '/')) != NULL) { |
482 | *p++ = '\0'; | |
483 | if (net != NULL && | |
484 | (sscanf(p, "%d", &i) != 1 || | |
eab2229c | 485 | inet_cidrtoaddr(i, net) != 0)) |
91a44b91 | 486 | { |
069e2f28 | 487 | logger(ctx, LOG_ERR, "`%s' is not a valid CIDR", p); |
91a44b91 RM |
488 | return -1; |
489 | } | |
00ababe4 | 490 | } |
2f7cb97c | 491 | |
91a44b91 | 492 | if (addr != NULL && inet_aton(arg, addr) == 0) { |
069e2f28 | 493 | logger(ctx, LOG_ERR, "`%s' is not a valid IP address", arg); |
91a44b91 RM |
494 | return -1; |
495 | } | |
2f7cb97c | 496 | if (p != NULL) |
e095a6eb | 497 | *--p = '/'; |
8fc52ced | 498 | else if (net != NULL && addr != NULL) |
e88c525f | 499 | net->s_addr = ipv4_getnetmask(addr->s_addr); |
91a44b91 | 500 | return 0; |
1f4c1525 | 501 | } |
aae24feb | 502 | #else |
1f4c1525 | 503 | static int |
069e2f28 RM |
504 | parse_addr(struct dhcpcd_ctx *ctx, |
505 | __unused struct in_addr *addr, __unused struct in_addr *net, | |
1f4c1525 RM |
506 | __unused const char *arg) |
507 | { | |
508 | ||
069e2f28 | 509 | logger(ctx, LOG_ERR, "No IPv4 support"); |
aae24feb | 510 | return -1; |
91a44b91 | 511 | } |
1f4c1525 | 512 | #endif |
91a44b91 | 513 | |
00ababe4 | 514 | static const char * |
4eb7b489 | 515 | set_option_space(struct dhcpcd_ctx *ctx, |
49b749f0 RM |
516 | const char *arg, |
517 | const struct dhcp_opt **d, size_t *dl, | |
518 | const struct dhcp_opt **od, size_t *odl, | |
d7555c12 | 519 | struct if_options *ifo, |
85bff648 | 520 | uint8_t *request[], uint8_t *require[], uint8_t *no[], uint8_t *reject[]) |
d7555c12 RM |
521 | { |
522 | ||
ca867830 | 523 | #if !defined(INET) && !defined(INET6) |
2be15e88 | 524 | UNUSED(ctx); |
ca867830 RM |
525 | #endif |
526 | ||
aae24feb | 527 | #ifdef INET6 |
2be15e88 RM |
528 | if (strncmp(arg, "nd_", strlen("nd_")) == 0) { |
529 | *d = ctx->nd_opts; | |
530 | *dl = ctx->nd_opts_len; | |
531 | *od = ifo->nd_override; | |
532 | *odl = ifo->nd_override_len; | |
533 | *request = ifo->requestmasknd; | |
534 | *require = ifo->requiremasknd; | |
535 | *no = ifo->nomasknd; | |
536 | *reject = ifo->rejectmasknd; | |
537 | return arg + strlen("nd_"); | |
538 | } | |
539 | ||
d7555c12 | 540 | if (strncmp(arg, "dhcp6_", strlen("dhcp6_")) == 0) { |
4eb7b489 RM |
541 | *d = ctx->dhcp6_opts; |
542 | *dl = ctx->dhcp6_opts_len; | |
49b749f0 RM |
543 | *od = ifo->dhcp6_override; |
544 | *odl = ifo->dhcp6_override_len; | |
d7555c12 RM |
545 | *request = ifo->requestmask6; |
546 | *require = ifo->requiremask6; | |
547 | *no = ifo->nomask6; | |
85bff648 | 548 | *reject = ifo->rejectmask6; |
d7555c12 RM |
549 | return arg + strlen("dhcp6_"); |
550 | } | |
aae24feb RM |
551 | #endif |
552 | ||
553 | #ifdef INET | |
4eb7b489 RM |
554 | *d = ctx->dhcp_opts; |
555 | *dl = ctx->dhcp_opts_len; | |
49b749f0 RM |
556 | *od = ifo->dhcp_override; |
557 | *odl = ifo->dhcp_override_len; | |
aae24feb RM |
558 | #else |
559 | *d = NULL; | |
ae4e592f | 560 | *dl = 0; |
49b749f0 RM |
561 | *od = NULL; |
562 | *odl = 0; | |
aae24feb | 563 | #endif |
d7555c12 RM |
564 | *request = ifo->requestmask; |
565 | *require = ifo->requiremask; | |
566 | *no = ifo->nomask; | |
85bff648 | 567 | *reject = ifo->rejectmask; |
d7555c12 RM |
568 | return arg; |
569 | } | |
570 | ||
1cd05a96 | 571 | void |
8e7d8c37 RM |
572 | free_dhcp_opt_embenc(struct dhcp_opt *opt) |
573 | { | |
574 | size_t i; | |
bc22d277 | 575 | struct dhcp_opt *o; |
8e7d8c37 | 576 | |
bc22d277 | 577 | free(opt->var); |
8e7d8c37 | 578 | |
bc22d277 | 579 | for (i = 0, o = opt->embopts; i < opt->embopts_len; i++, o++) |
e877fba7 | 580 | free_dhcp_opt_embenc(o); |
8e7d8c37 RM |
581 | free(opt->embopts); |
582 | opt->embopts_len = 0; | |
583 | opt->embopts = NULL; | |
584 | ||
bc22d277 | 585 | for (i = 0, o = opt->encopts; i < opt->encopts_len; i++, o++) |
e877fba7 | 586 | free_dhcp_opt_embenc(o); |
8e7d8c37 RM |
587 | free(opt->encopts); |
588 | opt->encopts_len = 0; | |
589 | opt->encopts = NULL; | |
590 | } | |
591 | ||
1cd05a96 RM |
592 | static char * |
593 | strwhite(const char *s) | |
594 | { | |
595 | ||
4dd50184 RM |
596 | if (s == NULL) |
597 | return NULL; | |
1cd05a96 RM |
598 | while (*s != ' ' && *s != '\t') { |
599 | if (*s == '\0') | |
600 | return NULL; | |
601 | s++; | |
602 | } | |
603 | return UNCONST(s); | |
604 | } | |
605 | ||
606 | static char * | |
607 | strskipwhite(const char *s) | |
608 | { | |
609 | ||
4dd50184 RM |
610 | if (s == NULL) |
611 | return NULL; | |
1cd05a96 RM |
612 | while (*s == ' ' || *s == '\t') { |
613 | if (*s == '\0') | |
614 | return NULL; | |
615 | s++; | |
616 | } | |
617 | return UNCONST(s); | |
618 | } | |
619 | ||
c73ed171 RM |
620 | /* Find the end pointer of a string. */ |
621 | static char * | |
622 | strend(const char *s) | |
623 | { | |
624 | ||
625 | s = strskipwhite(s); | |
626 | if (s == NULL) | |
627 | return NULL; | |
628 | if (*s != '"') | |
629 | return strchr(s, ' '); | |
630 | s++; | |
631 | for (; *s != '"' ; s++) { | |
632 | if (*s == '\0') | |
633 | return NULL; | |
634 | if (*s == '\\') { | |
635 | if (*(++s) == '\0') | |
636 | return NULL; | |
637 | } | |
638 | } | |
639 | return UNCONST(++s); | |
640 | } | |
641 | ||
fd05b7dc | 642 | static int |
4eb7b489 RM |
643 | parse_option(struct dhcpcd_ctx *ctx, const char *ifname, struct if_options *ifo, |
644 | int opt, const char *arg, struct dhcp_opt **ldop, struct dhcp_opt **edop) | |
fd05b7dc | 645 | { |
f94b4eab | 646 | int e, i, t; |
a93e79c6 | 647 | long l; |
76bb4d03 | 648 | unsigned long u; |
cc71162d | 649 | char *p = NULL, *bp, *fp, *np, **nconf; |
fd05b7dc | 650 | ssize_t s; |
e095a6eb | 651 | struct in_addr addr, addr2; |
fa245a4d | 652 | in_addr_t *naddr; |
91a44b91 | 653 | struct rt *rt; |
49b749f0 | 654 | const struct dhcp_opt *d, *od; |
85bff648 | 655 | uint8_t *request, *require, *no, *reject; |
8e7d8c37 | 656 | struct dhcp_opt **dop, *ndop; |
49b749f0 | 657 | size_t *dop_len, dl, odl; |
7a911e57 | 658 | struct vivco *vivco; |
c73ed171 | 659 | struct token *token; |
a93e79c6 RM |
660 | struct group *grp; |
661 | #ifdef _REENTRANT | |
a93e79c6 RM |
662 | struct group grpbuf; |
663 | #endif | |
1f4c1525 | 664 | #ifdef INET6 |
1f4c1525 | 665 | size_t sl; |
ebc9d360 RM |
666 | struct if_ia *ia; |
667 | uint8_t iaid[4]; | |
5985c4e2 | 668 | struct if_sla *sla, *slap; |
1f4c1525 | 669 | #endif |
fd05b7dc | 670 | |
8e7d8c37 RM |
671 | dop = NULL; |
672 | dop_len = NULL; | |
7a02120f RM |
673 | #ifdef INET6 |
674 | i = 0; | |
675 | #endif | |
fd05b7dc | 676 | switch(opt) { |
5e2062a4 | 677 | case 'f': /* FALLTHROUGH */ |
6bfd88f1 | 678 | case 'g': /* FALLTHROUGH */ |
da166178 RM |
679 | case 'n': /* FALLTHROUGH */ |
680 | case 'x': /* FALLTHROUGH */ | |
dc60cba4 | 681 | case 'T': /* FALLTHROUGH */ |
b7f5d1db RM |
682 | case 'U': /* FALLTHROUGH */ |
683 | case 'V': /* We need to handle non interface options */ | |
fd05b7dc | 684 | break; |
03c2c879 RM |
685 | case 'b': |
686 | ifo->options |= DHCPCD_BACKGROUND; | |
687 | break; | |
fd05b7dc | 688 | case 'c': |
1681b126 RM |
689 | free(ifo->script); |
690 | ifo->script = strdup(arg); | |
691 | if (ifo->script == NULL) | |
069e2f28 | 692 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
fd05b7dc | 693 | break; |
acb1cf88 RM |
694 | case 'd': |
695 | ifo->options |= DHCPCD_DEBUG; | |
696 | break; | |
6bfd88f1 | 697 | case 'e': |
069e2f28 | 698 | add_environ(ctx, ifo, arg, 1); |
6bfd88f1 | 699 | break; |
fd05b7dc | 700 | case 'h': |
cc3c3560 RM |
701 | if (!arg) { |
702 | ifo->options |= DHCPCD_HOSTNAME; | |
703 | break; | |
704 | } | |
705 | s = parse_string(ifo->hostname, HOSTNAME_MAX_LEN, arg); | |
706 | if (s == -1) { | |
069e2f28 | 707 | logger(ctx, LOG_ERR, "hostname: %m"); |
cc3c3560 RM |
708 | return -1; |
709 | } | |
710 | if (s != 0 && ifo->hostname[0] == '.') { | |
069e2f28 | 711 | logger(ctx, LOG_ERR, "hostname cannot begin with ."); |
cc3c3560 | 712 | return -1; |
fd05b7dc | 713 | } |
cc3c3560 | 714 | ifo->hostname[s] = '\0'; |
ed913a59 RM |
715 | if (ifo->hostname[0] == '\0') |
716 | ifo->options &= ~DHCPCD_HOSTNAME; | |
717 | else | |
718 | ifo->options |= DHCPCD_HOSTNAME; | |
fd05b7dc RM |
719 | break; |
720 | case 'i': | |
721 | if (arg) | |
722 | s = parse_string((char *)ifo->vendorclassid + 1, | |
eab2229c | 723 | VENDORCLASSID_MAX_LEN, arg); |
fd05b7dc RM |
724 | else |
725 | s = 0; | |
726 | if (s == -1) { | |
069e2f28 | 727 | logger(ctx, LOG_ERR, "vendorclassid: %m"); |
fd05b7dc RM |
728 | return -1; |
729 | } | |
730 | *ifo->vendorclassid = (uint8_t)s; | |
731 | break; | |
069e2f28 RM |
732 | case 'j': |
733 | /* per interface logging is not supported | |
734 | * don't want to overide the commandline */ | |
735 | if (ifname == NULL && ctx->logfile == NULL) { | |
736 | logger_close(ctx); | |
737 | ctx->logfile = strdup(arg); | |
738 | logger_open(ctx); | |
739 | } | |
740 | break; | |
2662d519 RM |
741 | case 'k': |
742 | ifo->options |= DHCPCD_RELEASE; | |
743 | break; | |
fd05b7dc | 744 | case 'l': |
f94b4eab RM |
745 | ifo->leasetime = (uint32_t)strtou(arg, NULL, |
746 | 0, 0, UINT32_MAX, &e); | |
747 | if (e) { | |
069e2f28 | 748 | logger(ctx, LOG_ERR, "failed to convert leasetime %s", arg); |
fd05b7dc RM |
749 | return -1; |
750 | } | |
751 | break; | |
752 | case 'm': | |
f94b4eab RM |
753 | ifo->metric = (int)strtoi(arg, NULL, 0, 0, INT32_MAX, &e); |
754 | if (e) { | |
069e2f28 | 755 | logger(ctx, LOG_ERR, "failed to convert metric %s", arg); |
fd05b7dc RM |
756 | return -1; |
757 | } | |
758 | break; | |
759 | case 'o': | |
49b749f0 | 760 | arg = set_option_space(ctx, arg, &d, &dl, &od, &odl, ifo, |
85bff648 | 761 | &request, &require, &no, &reject); |
49b749f0 | 762 | if (make_option_mask(d, dl, od, odl, request, arg, 1) != 0 || |
85bff648 RM |
763 | make_option_mask(d, dl, od, odl, no, arg, -1) != 0 || |
764 | make_option_mask(d, dl, od, odl, reject, arg, -1) != 0) | |
765 | { | |
069e2f28 | 766 | logger(ctx, LOG_ERR, "unknown option `%s'", arg); |
85bff648 RM |
767 | return -1; |
768 | } | |
769 | break; | |
770 | case O_REJECT: | |
771 | arg = set_option_space(ctx, arg, &d, &dl, &od, &odl, ifo, | |
772 | &request, &require, &no, &reject); | |
773 | if (make_option_mask(d, dl, od, odl, reject, arg, 1) != 0 || | |
774 | make_option_mask(d, dl, od, odl, request, arg, -1) != 0 || | |
775 | make_option_mask(d, dl, od, odl, require, arg, -1) != 0) | |
ee56a47d | 776 | { |
069e2f28 | 777 | logger(ctx, LOG_ERR, "unknown option `%s'", arg); |
fd05b7dc RM |
778 | return -1; |
779 | } | |
780 | break; | |
781 | case 'p': | |
782 | ifo->options |= DHCPCD_PERSISTENT; | |
783 | break; | |
03c2c879 RM |
784 | case 'q': |
785 | ifo->options |= DHCPCD_QUIET; | |
786 | break; | |
2f7cb97c | 787 | case 'r': |
069e2f28 | 788 | if (parse_addr(ctx, &ifo->req_addr, NULL, arg) != 0) |
2f7cb97c | 789 | return -1; |
5b39d8f5 | 790 | ifo->options |= DHCPCD_REQUEST; |
2f7cb97c RM |
791 | ifo->req_mask.s_addr = 0; |
792 | break; | |
fd05b7dc | 793 | case 's': |
d7555c12 RM |
794 | if (ifo->options & DHCPCD_IPV6 && |
795 | !(ifo->options & DHCPCD_IPV4)) | |
796 | { | |
797 | ifo->options |= DHCPCD_INFORM; | |
798 | break; | |
799 | } | |
2f7cb97c | 800 | if (arg && *arg != '\0') { |
069e2f28 RM |
801 | if (parse_addr(ctx, |
802 | &ifo->req_addr, &ifo->req_mask, arg) != 0) | |
91a44b91 | 803 | return -1; |
2f7cb97c RM |
804 | } else { |
805 | ifo->req_addr.s_addr = 0; | |
806 | ifo->req_mask.s_addr = 0; | |
fd05b7dc | 807 | } |
5b39d8f5 RM |
808 | ifo->options |= DHCPCD_INFORM | DHCPCD_PERSISTENT; |
809 | ifo->options &= ~(DHCPCD_ARP | DHCPCD_STATIC); | |
91a44b91 | 810 | break; |
fd05b7dc | 811 | case 't': |
f94b4eab RM |
812 | ifo->timeout = (time_t)strtoi(arg, NULL, 0, 0, INT32_MAX, &e); |
813 | if (e) { | |
069e2f28 | 814 | logger(ctx, LOG_ERR, "failed to convert timeout"); |
fd05b7dc RM |
815 | return -1; |
816 | } | |
817 | break; | |
818 | case 'u': | |
819 | s = USERCLASS_MAX_LEN - ifo->userclass[0] - 1; | |
eab2229c | 820 | s = parse_string((char *)ifo->userclass + |
34457fe6 | 821 | ifo->userclass[0] + 2, (size_t)s, arg); |
fd05b7dc | 822 | if (s == -1) { |
069e2f28 | 823 | logger(ctx, LOG_ERR, "userclass: %m"); |
fd05b7dc RM |
824 | return -1; |
825 | } | |
826 | if (s != 0) { | |
34457fe6 | 827 | ifo->userclass[ifo->userclass[0] + 1] = (uint8_t)s; |
d7a4dcf9 | 828 | ifo->userclass[0] = (uint8_t)(ifo->userclass[0] + s +1); |
fd05b7dc RM |
829 | } |
830 | break; | |
831 | case 'v': | |
832 | p = strchr(arg, ','); | |
833 | if (!p || !p[1]) { | |
069e2f28 | 834 | logger(ctx, LOG_ERR, "invalid vendor format: %s", arg); |
fd05b7dc RM |
835 | return -1; |
836 | } | |
95d6dcfa RM |
837 | |
838 | /* If vendor starts with , then it is not encapsulated */ | |
839 | if (p == arg) { | |
840 | arg++; | |
841 | s = parse_string((char *)ifo->vendor + 1, | |
842 | VENDOR_MAX_LEN, arg); | |
843 | if (s == -1) { | |
069e2f28 | 844 | logger(ctx, LOG_ERR, "vendor: %m"); |
95d6dcfa RM |
845 | return -1; |
846 | } | |
847 | ifo->vendor[0] = (uint8_t)s; | |
848 | ifo->options |= DHCPCD_VENDORRAW; | |
849 | break; | |
850 | } | |
851 | ||
852 | /* Encapsulated vendor options */ | |
853 | if (ifo->options & DHCPCD_VENDORRAW) { | |
854 | ifo->options &= ~DHCPCD_VENDORRAW; | |
855 | ifo->vendor[0] = 0; | |
856 | } | |
857 | ||
d7a4dcf9 RM |
858 | /* Strip and preserve the comma */ |
859 | *p = '\0'; | |
f94b4eab | 860 | i = (int)strtoi(arg, NULL, 0, 1, 254, &e); |
d7a4dcf9 | 861 | *p = ','; |
f94b4eab | 862 | if (e) { |
069e2f28 | 863 | logger(ctx, LOG_ERR, "vendor option should be between" |
eab2229c | 864 | " 1 and 254 inclusive"); |
fd05b7dc RM |
865 | return -1; |
866 | } | |
b357d09f RM |
867 | |
868 | arg = p + 1; | |
fd05b7dc RM |
869 | s = VENDOR_MAX_LEN - ifo->vendor[0] - 2; |
870 | if (inet_aton(arg, &addr) == 1) { | |
871 | if (s < 6) { | |
872 | s = -1; | |
873 | errno = ENOBUFS; | |
aeddc61a | 874 | } else { |
fd05b7dc | 875 | memcpy(ifo->vendor + ifo->vendor[0] + 3, |
eab2229c | 876 | &addr.s_addr, sizeof(addr.s_addr)); |
aeddc61a RM |
877 | s = sizeof(addr.s_addr); |
878 | } | |
fd05b7dc | 879 | } else { |
eab2229c | 880 | s = parse_string((char *)ifo->vendor + |
34457fe6 | 881 | ifo->vendor[0] + 3, (size_t)s, arg); |
fd05b7dc RM |
882 | } |
883 | if (s == -1) { | |
069e2f28 | 884 | logger(ctx, LOG_ERR, "vendor: %m"); |
fd05b7dc RM |
885 | return -1; |
886 | } | |
887 | if (s != 0) { | |
34457fe6 RM |
888 | ifo->vendor[ifo->vendor[0] + 1] = (uint8_t)i; |
889 | ifo->vendor[ifo->vendor[0] + 2] = (uint8_t)s; | |
d7a4dcf9 | 890 | ifo->vendor[0] = (uint8_t)(ifo->vendor[0] + s + 2); |
fd05b7dc RM |
891 | } |
892 | break; | |
2a07a2af RM |
893 | case 'w': |
894 | ifo->options |= DHCPCD_WAITIP; | |
7013b073 RM |
895 | if (arg != NULL && arg[0] != '\0') { |
896 | if (arg[0] == '4' || arg[1] == '4') | |
897 | ifo->options |= DHCPCD_WAITIP4; | |
898 | if (arg[0] == '6' || arg[1] == '6') | |
899 | ifo->options |= DHCPCD_WAITIP6; | |
900 | } | |
2a07a2af | 901 | break; |
a2a9a498 | 902 | case 'y': |
f94b4eab RM |
903 | ifo->reboot = (time_t)strtoi(arg, NULL, 0, 0, UINT32_MAX, &e); |
904 | if (e) { | |
069e2f28 | 905 | logger(ctx, LOG_ERR, "failed to convert reboot %s", arg); |
a2a9a498 RM |
906 | return -1; |
907 | } | |
908 | break; | |
d3088c74 | 909 | case 'z': |
4eb7b489 | 910 | if (ifname == NULL) |
069e2f28 | 911 | ctx->ifav = splitv(ctx, &ctx->ifac, ctx->ifav, arg); |
d3088c74 | 912 | break; |
fd05b7dc RM |
913 | case 'A': |
914 | ifo->options &= ~DHCPCD_ARP; | |
915 | /* IPv4LL requires ARP */ | |
916 | ifo->options &= ~DHCPCD_IPV4LL; | |
917 | break; | |
03c2c879 RM |
918 | case 'B': |
919 | ifo->options &= ~DHCPCD_DAEMONISE; | |
920 | break; | |
fd05b7dc RM |
921 | case 'C': |
922 | /* Commas to spaces for shell */ | |
923 | while ((p = strchr(arg, ','))) | |
924 | *p = ' '; | |
34457fe6 RM |
925 | dl = strlen("skip_hooks=") + strlen(arg) + 1; |
926 | p = malloc(sizeof(char) * dl); | |
28382337 | 927 | if (p == NULL) { |
069e2f28 | 928 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
28382337 RM |
929 | return -1; |
930 | } | |
34457fe6 | 931 | snprintf(p, dl, "skip_hooks=%s", arg); |
069e2f28 | 932 | add_environ(ctx, ifo, p, 0); |
fd05b7dc RM |
933 | free(p); |
934 | break; | |
935 | case 'D': | |
c989b023 | 936 | ifo->options |= DHCPCD_CLIENTID | DHCPCD_DUID; |
fd05b7dc RM |
937 | break; |
938 | case 'E': | |
939 | ifo->options |= DHCPCD_LASTLEASE; | |
940 | break; | |
941 | case 'F': | |
942 | if (!arg) { | |
943 | ifo->fqdn = FQDN_BOTH; | |
944 | break; | |
945 | } | |
946 | if (strcmp(arg, "none") == 0) | |
947 | ifo->fqdn = FQDN_NONE; | |
948 | else if (strcmp(arg, "ptr") == 0) | |
949 | ifo->fqdn = FQDN_PTR; | |
950 | else if (strcmp(arg, "both") == 0) | |
951 | ifo->fqdn = FQDN_BOTH; | |
952 | else if (strcmp(arg, "disable") == 0) | |
953 | ifo->fqdn = FQDN_DISABLE; | |
954 | else { | |
069e2f28 | 955 | logger(ctx, LOG_ERR, "invalid value `%s' for FQDN", arg); |
fd05b7dc RM |
956 | return -1; |
957 | } | |
958 | break; | |
959 | case 'G': | |
960 | ifo->options &= ~DHCPCD_GATEWAY; | |
961 | break; | |
4242c9b3 RM |
962 | case 'H': |
963 | ifo->options |= DHCPCD_XID_HWADDR; | |
964 | break; | |
fd05b7dc RM |
965 | case 'I': |
966 | /* Strings have a type of 0 */; | |
967 | ifo->clientid[1] = 0; | |
968 | if (arg) | |
969 | s = parse_string_hwaddr((char *)ifo->clientid + 1, | |
eab2229c | 970 | CLIENTID_MAX_LEN, arg, 1); |
fd05b7dc RM |
971 | else |
972 | s = 0; | |
973 | if (s == -1) { | |
069e2f28 | 974 | logger(ctx, LOG_ERR, "clientid: %m"); |
fd05b7dc RM |
975 | return -1; |
976 | } | |
c989b023 | 977 | ifo->options |= DHCPCD_CLIENTID; |
fd05b7dc | 978 | ifo->clientid[0] = (uint8_t)s; |
fd05b7dc | 979 | break; |
900b3da4 RM |
980 | case 'J': |
981 | ifo->options |= DHCPCD_BROADCAST; | |
982 | break; | |
fd05b7dc RM |
983 | case 'K': |
984 | ifo->options &= ~DHCPCD_LINK; | |
985 | break; | |
986 | case 'L': | |
987 | ifo->options &= ~DHCPCD_IPV4LL; | |
988 | break; | |
b3174181 RM |
989 | case 'M': |
990 | ifo->options |= DHCPCD_MASTER; | |
991 | break; | |
fd05b7dc | 992 | case 'O': |
49b749f0 | 993 | arg = set_option_space(ctx, arg, &d, &dl, &od, &odl, ifo, |
85bff648 | 994 | &request, &require, &no, &reject); |
49b749f0 RM |
995 | if (make_option_mask(d, dl, od, odl, request, arg, -1) != 0 || |
996 | make_option_mask(d, dl, od, odl, require, arg, -1) != 0 || | |
997 | make_option_mask(d, dl, od, odl, no, arg, 1) != 0) | |
fd05b7dc | 998 | { |
069e2f28 | 999 | logger(ctx, LOG_ERR, "unknown option `%s'", arg); |
fd05b7dc RM |
1000 | return -1; |
1001 | } | |
1002 | break; | |
1003 | case 'Q': | |
49b749f0 | 1004 | arg = set_option_space(ctx, arg, &d, &dl, &od, &odl, ifo, |
85bff648 | 1005 | &request, &require, &no, &reject); |
49b749f0 RM |
1006 | if (make_option_mask(d, dl, od, odl, require, arg, 1) != 0 || |
1007 | make_option_mask(d, dl, od, odl, request, arg, 1) != 0 || | |
85bff648 RM |
1008 | make_option_mask(d, dl, od, odl, no, arg, -1) != 0 || |
1009 | make_option_mask(d, dl, od, odl, reject, arg, -1) != 0) | |
fd05b7dc | 1010 | { |
069e2f28 | 1011 | logger(ctx, LOG_ERR, "unknown option `%s'", arg); |
fd05b7dc RM |
1012 | return -1; |
1013 | } | |
1014 | break; | |
91a44b91 RM |
1015 | case 'S': |
1016 | p = strchr(arg, '='); | |
1017 | if (p == NULL) { | |
069e2f28 | 1018 | logger(ctx, LOG_ERR, "static assignment required"); |
91a44b91 RM |
1019 | return -1; |
1020 | } | |
1021 | p++; | |
1022 | if (strncmp(arg, "ip_address=", strlen("ip_address=")) == 0) { | |
069e2f28 | 1023 | if (parse_addr(ctx, &ifo->req_addr, |
776961cf RM |
1024 | ifo->req_mask.s_addr == 0 ? &ifo->req_mask : NULL, |
1025 | p) != 0) | |
91a44b91 RM |
1026 | return -1; |
1027 | ||
1028 | ifo->options |= DHCPCD_STATIC; | |
fa8b2a7a | 1029 | ifo->options &= ~DHCPCD_INFORM; |
069e2f28 RM |
1030 | } else if (strncmp(arg, "subnet_mask=", |
1031 | strlen("subnet_mask=")) == 0) | |
1032 | { | |
1033 | if (parse_addr(ctx, &ifo->req_mask, NULL, p) != 0) | |
776961cf | 1034 | return -1; |
91a44b91 | 1035 | } else if (strncmp(arg, "routes=", strlen("routes=")) == 0 || |
069e2f28 RM |
1036 | strncmp(arg, "static_routes=", |
1037 | strlen("static_routes=")) == 0 || | |
1038 | strncmp(arg, "classless_static_routes=", | |
1039 | strlen("classless_static_routes=")) == 0 || | |
1040 | strncmp(arg, "ms_classless_static_routes=", | |
1041 | strlen("ms_classless_static_routes=")) == 0) | |
91a44b91 | 1042 | { |
1cd05a96 | 1043 | fp = np = strwhite(p); |
91a44b91 | 1044 | if (np == NULL) { |
069e2f28 RM |
1045 | logger(ctx, LOG_ERR, |
1046 | "all routes need a gateway"); | |
91a44b91 RM |
1047 | return -1; |
1048 | } | |
1049 | *np++ = '\0'; | |
1cd05a96 | 1050 | np = strskipwhite(np); |
91a44b91 | 1051 | if (ifo->routes == NULL) { |
4c9c4b3e RM |
1052 | ifo->routes = malloc(sizeof(*ifo->routes)); |
1053 | if (ifo->routes == NULL) { | |
069e2f28 RM |
1054 | logger(ctx, LOG_ERR, |
1055 | "%s: %m", __func__); | |
10e17e3f RM |
1056 | return -1; |
1057 | } | |
673e81e5 | 1058 | TAILQ_INIT(ifo->routes); |
4c9c4b3e | 1059 | } |
9ec2a63b | 1060 | rt = calloc(1, sizeof(*rt)); |
4c9c4b3e | 1061 | if (rt == NULL) { |
069e2f28 | 1062 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
4c9c4b3e RM |
1063 | *fp = ' '; |
1064 | return -1; | |
91a44b91 | 1065 | } |
069e2f28 RM |
1066 | if (parse_addr(ctx, &rt->dest, &rt->net, p) == -1 || |
1067 | parse_addr(ctx, &rt->gate, NULL, np) == -1) | |
332a5fe6 | 1068 | { |
4c9c4b3e | 1069 | free(rt); |
332a5fe6 | 1070 | *fp = ' '; |
91a44b91 | 1071 | return -1; |
332a5fe6 | 1072 | } |
4c9c4b3e | 1073 | TAILQ_INSERT_TAIL(ifo->routes, rt, next); |
332a5fe6 | 1074 | *fp = ' '; |
91a44b91 RM |
1075 | } else if (strncmp(arg, "routers=", strlen("routers=")) == 0) { |
1076 | if (ifo->routes == NULL) { | |
4c9c4b3e RM |
1077 | ifo->routes = malloc(sizeof(*ifo->routes)); |
1078 | if (ifo->routes == NULL) { | |
069e2f28 RM |
1079 | logger(ctx, LOG_ERR, |
1080 | "%s: %m", __func__); | |
10e17e3f RM |
1081 | return -1; |
1082 | } | |
00ababe4 | 1083 | TAILQ_INIT(ifo->routes); |
4c9c4b3e | 1084 | } |
9ec2a63b | 1085 | rt = calloc(1, sizeof(*rt)); |
4c9c4b3e | 1086 | if (rt == NULL) { |
069e2f28 | 1087 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
4c9c4b3e | 1088 | return -1; |
91a44b91 | 1089 | } |
1abffd5b RM |
1090 | rt->dest.s_addr = INADDR_ANY; |
1091 | rt->net.s_addr = INADDR_ANY; | |
069e2f28 | 1092 | if (parse_addr(ctx, &rt->gate, NULL, p) == -1) { |
4c9c4b3e | 1093 | free(rt); |
91a44b91 | 1094 | return -1; |
4c9c4b3e RM |
1095 | } |
1096 | TAILQ_INSERT_TAIL(ifo->routes, rt, next); | |
91a44b91 | 1097 | } else { |
34457fe6 | 1098 | dl = 0; |
91a44b91 | 1099 | if (ifo->config != NULL) { |
34457fe6 RM |
1100 | while (ifo->config[dl] != NULL) { |
1101 | if (strncmp(ifo->config[dl], arg, | |
1102 | (size_t)(p - arg)) == 0) | |
eab2229c | 1103 | { |
78369646 RM |
1104 | p = strdup(arg); |
1105 | if (p == NULL) { | |
069e2f28 | 1106 | logger(ctx, LOG_ERR, |
78369646 RM |
1107 | "%s: %m", __func__); |
1108 | return -1; | |
1109 | } | |
34457fe6 RM |
1110 | free(ifo->config[dl]); |
1111 | ifo->config[dl] = p; | |
91a44b91 RM |
1112 | return 1; |
1113 | } | |
34457fe6 | 1114 | dl++; |
91a44b91 RM |
1115 | } |
1116 | } | |
78369646 | 1117 | p = strdup(arg); |
fa245a4d | 1118 | if (p == NULL) { |
069e2f28 | 1119 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
fa245a4d RM |
1120 | return -1; |
1121 | } | |
34457fe6 | 1122 | nconf = realloc(ifo->config, sizeof(char *) * (dl + 2)); |
78369646 | 1123 | if (nconf == NULL) { |
069e2f28 | 1124 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
78369646 RM |
1125 | return -1; |
1126 | } | |
fa245a4d | 1127 | ifo->config = nconf; |
34457fe6 RM |
1128 | ifo->config[dl] = p; |
1129 | ifo->config[dl + 1] = NULL; | |
91a44b91 RM |
1130 | } |
1131 | break; | |
bf80d526 | 1132 | case 'W': |
069e2f28 | 1133 | if (parse_addr(ctx, &addr, &addr2, arg) != 0) |
bf80d526 RM |
1134 | return -1; |
1135 | if (strchr(arg, '/') == NULL) | |
1136 | addr2.s_addr = INADDR_BROADCAST; | |
fa245a4d | 1137 | naddr = realloc(ifo->whitelist, |
bf80d526 | 1138 | sizeof(in_addr_t) * (ifo->whitelist_len + 2)); |
fa245a4d | 1139 | if (naddr == NULL) { |
069e2f28 | 1140 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
fa245a4d RM |
1141 | return -1; |
1142 | } | |
1143 | ifo->whitelist = naddr; | |
bf80d526 RM |
1144 | ifo->whitelist[ifo->whitelist_len++] = addr.s_addr; |
1145 | ifo->whitelist[ifo->whitelist_len++] = addr2.s_addr; | |
1146 | break; | |
fd05b7dc | 1147 | case 'X': |
069e2f28 | 1148 | if (parse_addr(ctx, &addr, &addr2, arg) != 0) |
fd05b7dc | 1149 | return -1; |
ce6b39df RM |
1150 | if (strchr(arg, '/') == NULL) |
1151 | addr2.s_addr = INADDR_BROADCAST; | |
fa245a4d | 1152 | naddr = realloc(ifo->blacklist, |
e095a6eb | 1153 | sizeof(in_addr_t) * (ifo->blacklist_len + 2)); |
fa245a4d | 1154 | if (naddr == NULL) { |
069e2f28 | 1155 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
fa245a4d RM |
1156 | return -1; |
1157 | } | |
1158 | ifo->blacklist = naddr; | |
e095a6eb RM |
1159 | ifo->blacklist[ifo->blacklist_len++] = addr.s_addr; |
1160 | ifo->blacklist[ifo->blacklist_len++] = addr2.s_addr; | |
fd05b7dc | 1161 | break; |
d3088c74 | 1162 | case 'Z': |
4eb7b489 | 1163 | if (ifname == NULL) |
069e2f28 | 1164 | ctx->ifdv = splitv(ctx, &ctx->ifdc, ctx->ifdv, arg); |
d3088c74 | 1165 | break; |
d7555c12 | 1166 | case '4': |
2f0addfd | 1167 | ifo->options &= ~DHCPCD_IPV6; |
d7555c12 RM |
1168 | ifo->options |= DHCPCD_IPV4; |
1169 | break; | |
1170 | case '6': | |
1171 | ifo->options &= ~DHCPCD_IPV4; | |
2f0addfd | 1172 | ifo->options |= DHCPCD_IPV6; |
d7555c12 | 1173 | break; |
94bec972 RM |
1174 | case O_IPV4: |
1175 | ifo->options |= DHCPCD_IPV4; | |
1176 | break; | |
bb8051bf RM |
1177 | case O_NOIPV4: |
1178 | ifo->options &= ~DHCPCD_IPV4; | |
1179 | break; | |
94bec972 RM |
1180 | case O_IPV6: |
1181 | ifo->options |= DHCPCD_IPV6; | |
1182 | break; | |
bb8051bf RM |
1183 | case O_NOIPV6: |
1184 | ifo->options &= ~DHCPCD_IPV6; | |
1185 | break; | |
aae24feb | 1186 | #ifdef INET |
4ca7460f | 1187 | case O_ARPING: |
48ac077b RM |
1188 | while (arg && *arg != '\0') { |
1189 | fp = strwhite(arg); | |
1190 | if (fp) | |
1191 | *fp++ = '\0'; | |
069e2f28 | 1192 | if (parse_addr(ctx, &addr, NULL, arg) != 0) |
48ac077b RM |
1193 | return -1; |
1194 | naddr = realloc(ifo->arping, | |
1195 | sizeof(in_addr_t) * (ifo->arping_len + 1)); | |
1196 | if (naddr == NULL) { | |
069e2f28 | 1197 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
48ac077b RM |
1198 | return -1; |
1199 | } | |
1200 | ifo->arping = naddr; | |
1201 | ifo->arping[ifo->arping_len++] = addr.s_addr; | |
4dd50184 | 1202 | arg = strskipwhite(fp); |
fa245a4d | 1203 | } |
4ca7460f | 1204 | break; |
41c60e02 | 1205 | case O_DESTINATION: |
49b749f0 | 1206 | arg = set_option_space(ctx, arg, &d, &dl, &od, &odl, ifo, |
85bff648 | 1207 | &request, &require, &no, &reject); |
49b749f0 RM |
1208 | if (make_option_mask(d, dl, od, odl, |
1209 | ifo->dstmask, arg, 2) != 0) | |
1210 | { | |
41c60e02 | 1211 | if (errno == EINVAL) |
069e2f28 | 1212 | logger(ctx, LOG_ERR, "option `%s' does not take" |
41c60e02 RM |
1213 | " an IPv4 address", arg); |
1214 | else | |
069e2f28 | 1215 | logger(ctx, LOG_ERR, "unknown option `%s'", arg); |
41c60e02 RM |
1216 | return -1; |
1217 | } | |
1218 | break; | |
ff021b0b RM |
1219 | case O_FALLBACK: |
1220 | free(ifo->fallback); | |
78369646 RM |
1221 | ifo->fallback = strdup(arg); |
1222 | if (ifo->fallback == NULL) { | |
069e2f28 | 1223 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
00ababe4 | 1224 | return -1; |
78369646 | 1225 | } |
ff021b0b | 1226 | break; |
aae24feb | 1227 | #endif |
ebc9d360 | 1228 | case O_IAID: |
9ff636a5 | 1229 | if (ifname == NULL) { |
069e2f28 | 1230 | logger(ctx, LOG_ERR, |
9ff636a5 RM |
1231 | "IAID must belong in an interface block"); |
1232 | return -1; | |
1233 | } | |
069e2f28 RM |
1234 | if (parse_iaid(ifo->iaid, arg, sizeof(ifo->iaid)) == -1) { |
1235 | logger(ctx, LOG_ERR, "invalid IAID %s", arg); | |
ebc9d360 | 1236 | return -1; |
069e2f28 | 1237 | } |
ebc9d360 | 1238 | ifo->options |= DHCPCD_IAID; |
563a421c | 1239 | break; |
eebe9a18 RM |
1240 | case O_IPV6RS: |
1241 | ifo->options |= DHCPCD_IPV6RS; | |
1242 | break; | |
91cd7324 | 1243 | case O_NOIPV6RS: |
61dd6cf9 RM |
1244 | ifo->options &= ~DHCPCD_IPV6RS; |
1245 | break; | |
eebe9a18 | 1246 | case O_IPV6RA_FORK: |
61dd6cf9 | 1247 | ifo->options &= ~DHCPCD_IPV6RA_REQRDNSS; |
91cd7324 | 1248 | break; |
eebe9a18 RM |
1249 | case O_IPV6RA_OWN: |
1250 | ifo->options |= DHCPCD_IPV6RA_OWN; | |
1251 | break; | |
1252 | case O_IPV6RA_OWN_D: | |
1253 | ifo->options |= DHCPCD_IPV6RA_OWN_DEFAULT; | |
1254 | break; | |
4f0240bf RM |
1255 | case O_IPV6RA_ACCEPT_NOPUBLIC: |
1256 | ifo->options |= DHCPCD_IPV6RA_ACCEPT_NOPUBLIC; | |
a8e5259b | 1257 | break; |
62f12387 RM |
1258 | case O_IPV6RA_AUTOCONF: |
1259 | ifo->options |= DHCPCD_IPV6RA_AUTOCONF; | |
1260 | break; | |
1261 | case O_IPV6RA_NOAUTOCONF: | |
1262 | ifo->options &= ~DHCPCD_IPV6RA_AUTOCONF; | |
1263 | break; | |
7dab081f RM |
1264 | case O_NOALIAS: |
1265 | ifo->options |= DHCPCD_NOALIAS; | |
1266 | break; | |
00ababe4 RM |
1267 | #ifdef INET6 |
1268 | case O_IA_NA: | |
1269 | i = D6_OPTION_IA_NA; | |
1270 | /* FALLTHROUGH */ | |
1271 | case O_IA_TA: | |
1272 | if (i == 0) | |
1273 | i = D6_OPTION_IA_TA; | |
1274 | /* FALLTHROUGH */ | |
1275 | case O_IA_PD: | |
9ff636a5 RM |
1276 | if (i == 0) { |
1277 | if (ifname == NULL) { | |
069e2f28 | 1278 | logger(ctx, LOG_ERR, |
9ff636a5 RM |
1279 | "IA PD must belong in an interface block"); |
1280 | return -1; | |
1281 | } | |
00ababe4 | 1282 | i = D6_OPTION_IA_PD; |
9ff636a5 | 1283 | } |
b0ca9ae9 | 1284 | if (ifname == NULL && arg) { |
069e2f28 | 1285 | logger(ctx, LOG_ERR, |
9ff636a5 RM |
1286 | "IA with IAID must belong in an interface block"); |
1287 | return -1; | |
1288 | } | |
00ababe4 | 1289 | ifo->options |= DHCPCD_IA_FORCED; |
52bcdc34 RM |
1290 | fp = strwhite(arg); |
1291 | if (fp) { | |
1292 | *fp++ = '\0'; | |
1293 | fp = strskipwhite(fp); | |
1294 | } | |
b0ca9ae9 | 1295 | if (arg) { |
b0ca9ae9 RM |
1296 | p = strchr(arg, '/'); |
1297 | if (p) | |
1298 | *p++ = '\0'; | |
069e2f28 RM |
1299 | if (parse_iaid(iaid, arg, sizeof(iaid)) == -1) { |
1300 | logger(ctx, LOG_ERR, "invalid IAID: %s", arg); | |
b0ca9ae9 | 1301 | return -1; |
069e2f28 | 1302 | } |
52bcdc34 | 1303 | } |
ebc9d360 RM |
1304 | ia = NULL; |
1305 | for (sl = 0; sl < ifo->ia_len; sl++) { | |
52bcdc34 | 1306 | if ((arg == NULL && !ifo->ia[sl].iaid_set) || |
8371b540 RM |
1307 | (ifo->ia[sl].iaid_set && |
1308 | ifo->ia[sl].iaid[0] == iaid[0] && | |
ebc9d360 RM |
1309 | ifo->ia[sl].iaid[1] == iaid[1] && |
1310 | ifo->ia[sl].iaid[2] == iaid[2] && | |
b0ca9ae9 | 1311 | ifo->ia[sl].iaid[3] == iaid[3])) |
00ababe4 | 1312 | { |
ebc9d360 | 1313 | ia = &ifo->ia[sl]; |
00ababe4 RM |
1314 | break; |
1315 | } | |
1316 | } | |
b0ca9ae9 | 1317 | if (ia && ia->ia_type != (uint16_t)i) { |
069e2f28 | 1318 | logger(ctx, LOG_ERR, "Cannot mix IA for the same IAID"); |
b0ca9ae9 RM |
1319 | break; |
1320 | } | |
ebc9d360 RM |
1321 | if (ia == NULL) { |
1322 | ia = realloc(ifo->ia, | |
1323 | sizeof(*ifo->ia) * (ifo->ia_len + 1)); | |
1324 | if (ia == NULL) { | |
069e2f28 | 1325 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
00ababe4 RM |
1326 | return -1; |
1327 | } | |
ebc9d360 RM |
1328 | ifo->ia = ia; |
1329 | ia = &ifo->ia[ifo->ia_len++]; | |
b0ca9ae9 | 1330 | ia->ia_type = (uint16_t)i; |
52bcdc34 | 1331 | if (arg) { |
b0ca9ae9 RM |
1332 | ia->iaid[0] = iaid[0]; |
1333 | ia->iaid[1] = iaid[1]; | |
1334 | ia->iaid[2] = iaid[2]; | |
1335 | ia->iaid[3] = iaid[3]; | |
1336 | ia->iaid_set = 1; | |
1337 | } else | |
1338 | ia->iaid_set = 0; | |
1339 | if (!ia->iaid_set || | |
1340 | p == NULL || | |
1341 | ia->ia_type == D6_OPTION_IA_TA) | |
1342 | { | |
4f94ed51 RM |
1343 | memset(&ia->addr, 0, sizeof(ia->addr)); |
1344 | ia->prefix_len = 0; | |
1345 | } else { | |
1346 | arg = p; | |
1347 | p = strchr(arg, '/'); | |
1348 | if (p) | |
1349 | *p++ = '\0'; | |
1350 | if (inet_pton(AF_INET6, arg, &ia->addr) == -1) { | |
069e2f28 | 1351 | logger(ctx, LOG_ERR, "%s: %m", arg); |
4f94ed51 RM |
1352 | memset(&ia->addr, 0, sizeof(ia->addr)); |
1353 | } | |
b0ca9ae9 | 1354 | if (p && ia->ia_type == D6_OPTION_IA_PD) { |
f94b4eab RM |
1355 | i = (int)strtoi(p, NULL, 0, 8, 120, &e); |
1356 | if (e) { | |
069e2f28 | 1357 | logger(ctx, LOG_ERR, |
f94b4eab RM |
1358 | "%s: failed to convert" |
1359 | " prefix len", | |
1360 | p); | |
4f94ed51 RM |
1361 | ia->prefix_len = 0; |
1362 | } else | |
1363 | ia->prefix_len = (uint8_t)i; | |
1364 | } | |
1365 | } | |
e69793ff | 1366 | ia->sla_max = 0; |
ebc9d360 | 1367 | ia->sla_len = 0; |
4f94ed51 | 1368 | ia->sla = NULL; |
00ababe4 | 1369 | } |
b0ca9ae9 | 1370 | if (ia->ia_type != D6_OPTION_IA_PD) |
7cece083 | 1371 | break; |
00ababe4 | 1372 | for (p = fp; p; p = fp) { |
1cd05a96 RM |
1373 | fp = strwhite(p); |
1374 | if (fp) { | |
00ababe4 | 1375 | *fp++ = '\0'; |
1cd05a96 RM |
1376 | fp = strskipwhite(fp); |
1377 | } | |
ebc9d360 RM |
1378 | sla = realloc(ia->sla, |
1379 | sizeof(*ia->sla) * (ia->sla_len + 1)); | |
00ababe4 | 1380 | if (sla == NULL) { |
069e2f28 | 1381 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
00ababe4 RM |
1382 | return -1; |
1383 | } | |
ebc9d360 RM |
1384 | ia->sla = sla; |
1385 | sla = &ia->sla[ia->sla_len++]; | |
00ababe4 RM |
1386 | np = strchr(p, '/'); |
1387 | if (np) | |
1388 | *np++ = '\0'; | |
00ababe4 RM |
1389 | if (strlcpy(sla->ifname, p, |
1390 | sizeof(sla->ifname)) >= sizeof(sla->ifname)) | |
1391 | { | |
069e2f28 | 1392 | logger(ctx, LOG_ERR, "%s: interface name too long", |
00ababe4 | 1393 | arg); |
94a79cea | 1394 | goto err_sla; |
00ababe4 RM |
1395 | } |
1396 | p = np; | |
367f7b11 RM |
1397 | if (p) { |
1398 | np = strchr(p, '/'); | |
1399 | if (np) | |
1400 | *np++ = '\0'; | |
83919266 RM |
1401 | if (*p == '\0') |
1402 | sla->sla_set = 0; | |
1403 | else { | |
f94b4eab RM |
1404 | sla->sla = (uint32_t)strtou(p, NULL, |
1405 | 0, 0, UINT32_MAX, &e); | |
1406 | sla->sla_set = 1; | |
1407 | if (e) { | |
069e2f28 | 1408 | logger(ctx, LOG_ERR, |
f94b4eab RM |
1409 | "%s: failed to convert sla", |
1410 | ifname); | |
34457fe6 | 1411 | goto err_sla; |
f94b4eab | 1412 | } |
83919266 | 1413 | } |
367f7b11 | 1414 | if (np) { |
f94b4eab RM |
1415 | sla->prefix_len = (uint8_t)strtoi(np, |
1416 | NULL, 0, 0, 128, &e); | |
1417 | if (e) { | |
069e2f28 | 1418 | logger(ctx, LOG_ERR, "%s: failed to " |
f94b4eab RM |
1419 | "convert prefix len", |
1420 | ifname); | |
94a79cea | 1421 | goto err_sla; |
f94b4eab | 1422 | } |
367f7b11 | 1423 | } else |
e69793ff | 1424 | sla->prefix_len = 0; |
5985c4e2 RM |
1425 | } else { |
1426 | sla->sla_set = 0; | |
e69793ff RM |
1427 | sla->prefix_len = 0; |
1428 | } | |
1429 | /* Sanity check */ | |
1430 | for (sl = 0; sl < ia->sla_len - 1; sl++) { | |
1431 | slap = &ia->sla[sl]; | |
a268d0e4 | 1432 | if (slap->sla_set != sla->sla_set) { |
069e2f28 | 1433 | logger(ctx, LOG_WARNING, |
e69793ff RM |
1434 | "%s: cannot mix automatic " |
1435 | "and fixed SLA", | |
1436 | sla->ifname); | |
1437 | goto err_sla; | |
1438 | } | |
1439 | if (sla->sla_set == 0 && | |
1440 | strcmp(slap->ifname, sla->ifname) == 0) | |
1441 | { | |
069e2f28 | 1442 | logger(ctx, LOG_WARNING, |
e69793ff RM |
1443 | "%s: cannot specify the " |
1444 | "same interface twice with " | |
1445 | "an automatic SLA", | |
1446 | sla->ifname); | |
1447 | goto err_sla; | |
5985c4e2 | 1448 | } |
a268d0e4 | 1449 | if (slap->sla == 0 || sla->sla == 0) { |
069e2f28 | 1450 | logger(ctx, LOG_ERR, "%s: cannot" |
a268d0e4 RM |
1451 | " assign multiple prefixes" |
1452 | " with a SLA of 0", | |
1453 | ifname); | |
1454 | goto err_sla; | |
1455 | } | |
367f7b11 | 1456 | } |
e69793ff RM |
1457 | if (sla->sla_set && sla->sla > ia->sla_max) |
1458 | ia->sla_max = sla->sla; | |
00ababe4 | 1459 | } |
ebc9d360 | 1460 | break; |
94a79cea RM |
1461 | err_sla: |
1462 | ia->sla_len--; | |
1463 | return -1; | |
1464 | #endif | |
d6a18654 | 1465 | case O_HOSTNAME_SHORT: |
9c54b11b | 1466 | ifo->options |= DHCPCD_HOSTNAME | DHCPCD_HOSTNAME_SHORT; |
d6a18654 | 1467 | break; |
413652c1 | 1468 | case O_DEV: |
4eb7b489 RM |
1469 | #ifdef PLUGIN_DEV |
1470 | if (ctx->dev_load) | |
1471 | free(ctx->dev_load); | |
1472 | ctx->dev_load = strdup(arg); | |
1473 | #endif | |
413652c1 RM |
1474 | break; |
1475 | case O_NODEV: | |
1476 | ifo->options &= ~DHCPCD_DEV; | |
1477 | break; | |
8e7d8c37 RM |
1478 | case O_DEFINE: |
1479 | dop = &ifo->dhcp_override; | |
1480 | dop_len = &ifo->dhcp_override_len; | |
1481 | /* FALLTHROUGH */ | |
2be15e88 RM |
1482 | case O_DEFINEND: |
1483 | if (dop == NULL) { | |
1484 | dop = &ifo->nd_override; | |
1485 | dop_len = &ifo->nd_override_len; | |
1486 | } | |
1487 | /* FALLTHROUGH */ | |
8e7d8c37 RM |
1488 | case O_DEFINE6: |
1489 | if (dop == NULL) { | |
1490 | dop = &ifo->dhcp6_override; | |
1491 | dop_len = &ifo->dhcp6_override_len; | |
1492 | } | |
7a911e57 RM |
1493 | /* FALLTHROUGH */ |
1494 | case O_VENDOPT: | |
1495 | if (dop == NULL) { | |
1496 | dop = &ifo->vivso_override; | |
1497 | dop_len = &ifo->vivso_override_len; | |
1498 | } | |
4eb7b489 | 1499 | *edop = *ldop = NULL; |
8e7d8c37 RM |
1500 | /* FALLTHROUGH */ |
1501 | case O_EMBED: | |
1502 | if (dop == NULL) { | |
4eb7b489 RM |
1503 | if (*edop) { |
1504 | dop = &(*edop)->embopts; | |
1505 | dop_len = &(*edop)->embopts_len; | |
03476881 | 1506 | } else if (ldop) { |
4eb7b489 RM |
1507 | dop = &(*ldop)->embopts; |
1508 | dop_len = &(*ldop)->embopts_len; | |
03476881 | 1509 | } else { |
069e2f28 | 1510 | logger(ctx, LOG_ERR, |
03476881 | 1511 | "embed must be after a define or encap"); |
8e7d8c37 RM |
1512 | return -1; |
1513 | } | |
8e7d8c37 | 1514 | } |
03476881 | 1515 | /* FALLTHROUGH */ |
8e7d8c37 RM |
1516 | case O_ENCAP: |
1517 | if (dop == NULL) { | |
4eb7b489 | 1518 | if (*ldop == NULL) { |
069e2f28 | 1519 | logger(ctx, LOG_ERR, "encap must be after a define"); |
8e7d8c37 RM |
1520 | return -1; |
1521 | } | |
4eb7b489 RM |
1522 | dop = &(*ldop)->encopts; |
1523 | dop_len = &(*ldop)->encopts_len; | |
8e7d8c37 RM |
1524 | } |
1525 | ||
1526 | /* Shared code for define, define6, embed and encap */ | |
1527 | ||
1528 | /* code */ | |
1529 | if (opt == O_EMBED) /* Embedded options don't have codes */ | |
7a911e57 | 1530 | u = 0; |
8e7d8c37 | 1531 | else { |
1cd05a96 | 1532 | fp = strwhite(arg); |
4dd50184 | 1533 | if (fp == NULL) { |
069e2f28 | 1534 | logger(ctx, LOG_ERR, "invalid syntax: %s", arg); |
8e7d8c37 RM |
1535 | return -1; |
1536 | } | |
1537 | *fp++ = '\0'; | |
6dff2cb3 | 1538 | u = (uint32_t)strtou(arg, NULL, 0, 0, UINT32_MAX, &e); |
f94b4eab | 1539 | if (e) { |
069e2f28 | 1540 | logger(ctx, LOG_ERR, "invalid code: %s", arg); |
8e7d8c37 | 1541 | return -1; |
7a911e57 | 1542 | } |
1cd05a96 | 1543 | arg = strskipwhite(fp); |
4dd50184 | 1544 | if (arg == NULL) { |
069e2f28 | 1545 | logger(ctx, LOG_ERR, "invalid syntax"); |
4dd50184 RM |
1546 | return -1; |
1547 | } | |
8e7d8c37 RM |
1548 | } |
1549 | /* type */ | |
1cd05a96 | 1550 | fp = strwhite(arg); |
ab371aa6 | 1551 | if (fp) |
1cd05a96 | 1552 | *fp++ = '\0'; |
b21cd906 RM |
1553 | np = strchr(arg, ':'); |
1554 | /* length */ | |
1555 | if (np) { | |
1556 | *np++ = '\0'; | |
cc71162d | 1557 | bp = NULL; /* No bitflag */ |
f94b4eab RM |
1558 | l = (long)strtou(np, NULL, 0, 0, LONG_MAX, &e); |
1559 | if (e) { | |
cc71162d | 1560 | logger(ctx,LOG_ERR, "failed to convert length"); |
b21cd906 | 1561 | return -1; |
f94b4eab | 1562 | } |
cc71162d | 1563 | } else { |
b21cd906 | 1564 | l = 0; |
cc71162d RM |
1565 | bp = strchr(arg, '='); /* bitflag assignment */ |
1566 | if (bp) | |
1567 | *bp++ = '\0'; | |
1568 | } | |
1cd05a96 RM |
1569 | t = 0; |
1570 | if (strcasecmp(arg, "request") == 0) { | |
1571 | t |= REQUEST; | |
1572 | arg = strskipwhite(fp); | |
1573 | fp = strwhite(arg); | |
1574 | if (fp == NULL) { | |
069e2f28 | 1575 | logger(ctx, LOG_ERR, "incomplete request type"); |
1cd05a96 RM |
1576 | return -1; |
1577 | } | |
1578 | *fp++ = '\0'; | |
1579 | } else if (strcasecmp(arg, "norequest") == 0) { | |
1580 | t |= NOREQ; | |
1581 | arg = strskipwhite(fp); | |
1582 | fp = strwhite(arg); | |
1583 | if (fp == NULL) { | |
069e2f28 | 1584 | logger(ctx, LOG_ERR, "incomplete request type"); |
1cd05a96 RM |
1585 | return -1; |
1586 | } | |
8e7d8c37 | 1587 | *fp++ = '\0'; |
1cd05a96 | 1588 | } |
03476881 RM |
1589 | if (strcasecmp(arg, "index") == 0) { |
1590 | t |= INDEX; | |
1591 | arg = strskipwhite(fp); | |
1592 | fp = strwhite(arg); | |
1593 | if (fp == NULL) { | |
069e2f28 | 1594 | logger(ctx, LOG_ERR, "incomplete index type"); |
03476881 RM |
1595 | return -1; |
1596 | } | |
1597 | *fp++ = '\0'; | |
1598 | } | |
1cd05a96 RM |
1599 | if (strcasecmp(arg, "array") == 0) { |
1600 | t |= ARRAY; | |
1601 | arg = strskipwhite(fp); | |
1602 | fp = strwhite(arg); | |
1603 | if (fp == NULL) { | |
069e2f28 | 1604 | logger(ctx, LOG_ERR, "incomplete array type"); |
1cd05a96 RM |
1605 | return -1; |
1606 | } | |
1607 | *fp++ = '\0'; | |
1608 | } | |
8e7d8c37 | 1609 | if (strcasecmp(arg, "ipaddress") == 0) |
1cd05a96 | 1610 | t |= ADDRIPV4; |
8e7d8c37 | 1611 | else if (strcasecmp(arg, "ip6address") == 0) |
1cd05a96 | 1612 | t |= ADDRIPV6; |
8e7d8c37 | 1613 | else if (strcasecmp(arg, "string") == 0) |
1cd05a96 | 1614 | t |= STRING; |
8e7d8c37 | 1615 | else if (strcasecmp(arg, "byte") == 0) |
1cd05a96 | 1616 | t |= UINT8; |
cc71162d RM |
1617 | else if (strcasecmp(arg, "bitflags") == 0) |
1618 | t |= BITFLAG; | |
8e7d8c37 | 1619 | else if (strcasecmp(arg, "uint16") == 0) |
1cd05a96 | 1620 | t |= UINT16; |
8e7d8c37 | 1621 | else if (strcasecmp(arg, "int16") == 0) |
1cd05a96 | 1622 | t |= SINT16; |
8e7d8c37 | 1623 | else if (strcasecmp(arg, "uint32") == 0) |
1cd05a96 | 1624 | t |= UINT32; |
8e7d8c37 | 1625 | else if (strcasecmp(arg, "int32") == 0) |
1cd05a96 RM |
1626 | t |= SINT32; |
1627 | else if (strcasecmp(arg, "flag") == 0) | |
1628 | t |= FLAG; | |
8f008ca7 RM |
1629 | else if (strcasecmp(arg, "raw") == 0) |
1630 | t |= STRING | RAW; | |
1631 | else if (strcasecmp(arg, "ascii") == 0) | |
1632 | t |= STRING | ASCII; | |
8e7d8c37 | 1633 | else if (strcasecmp(arg, "domain") == 0) |
8f008ca7 RM |
1634 | t |= STRING | DOMAIN | RFC3397; |
1635 | else if (strcasecmp(arg, "dname") == 0) | |
1636 | t |= STRING | DOMAIN; | |
8e7d8c37 | 1637 | else if (strcasecmp(arg, "binhex") == 0) |
8f008ca7 | 1638 | t |= STRING | BINHEX; |
8e7d8c37 | 1639 | else if (strcasecmp(arg, "embed") == 0) |
03476881 | 1640 | t |= EMBED; |
8e7d8c37 | 1641 | else if (strcasecmp(arg, "encap") == 0) |
03476881 | 1642 | t |= ENCAP; |
1cd05a96 | 1643 | else if (strcasecmp(arg, "rfc3361") ==0) |
03476881 | 1644 | t |= STRING | RFC3361; |
dfee59d2 | 1645 | else if (strcasecmp(arg, "rfc3442") ==0) |
03476881 | 1646 | t |= STRING | RFC3442; |
1cd05a96 | 1647 | else if (strcasecmp(arg, "rfc5969") == 0) |
03476881 RM |
1648 | t |= STRING | RFC5969; |
1649 | else if (strcasecmp(arg, "option") == 0) | |
1650 | t |= OPTION; | |
8e7d8c37 | 1651 | else { |
069e2f28 | 1652 | logger(ctx, LOG_ERR, "unknown type: %s", arg); |
8e7d8c37 RM |
1653 | return -1; |
1654 | } | |
b21cd906 | 1655 | if (l && !(t & (STRING | BINHEX))) { |
069e2f28 | 1656 | logger(ctx, LOG_WARNING, |
b21cd906 RM |
1657 | "ignoring length for type `%s'", arg); |
1658 | l = 0; | |
1659 | } | |
8f008ca7 RM |
1660 | if (t & ARRAY && t & (STRING | BINHEX) && |
1661 | !(t & (RFC3397 | DOMAIN))) | |
1662 | { | |
069e2f28 | 1663 | logger(ctx, LOG_WARNING, "ignoring array for strings"); |
63bdd2c2 RM |
1664 | t &= ~ARRAY; |
1665 | } | |
cc71162d RM |
1666 | if (t & BITFLAG) { |
1667 | if (bp == NULL) | |
1668 | logger(ctx, LOG_WARNING, | |
1669 | "missing bitflag assignment"); | |
1670 | } | |
8e7d8c37 | 1671 | /* variable */ |
d9fbb118 | 1672 | if (!fp) { |
03476881 | 1673 | if (!(t & OPTION)) { |
069e2f28 | 1674 | logger(ctx, LOG_ERR, |
03476881 RM |
1675 | "type %s requires a variable name", arg); |
1676 | return -1; | |
1677 | } | |
1678 | np = NULL; | |
1679 | } else { | |
1680 | arg = strskipwhite(fp); | |
1681 | fp = strwhite(arg); | |
1682 | if (fp) | |
1683 | *fp++ = '\0'; | |
cc71162d RM |
1684 | if (strcasecmp(arg, "reserved")) { |
1685 | np = strdup(arg); | |
1686 | if (np == NULL) { | |
1687 | logger(ctx, LOG_ERR, | |
1688 | "%s: %m", __func__); | |
1689 | return -1; | |
1690 | } | |
1691 | } else { | |
1692 | np = NULL; | |
1693 | t |= RESERVED; | |
03476881 | 1694 | } |
8e7d8c37 | 1695 | } |
6714b786 | 1696 | if (opt != O_EMBED) { |
f132acc3 RM |
1697 | for (dl = 0, ndop = *dop; dl < *dop_len; dl++, ndop++) |
1698 | { | |
1cd05a96 RM |
1699 | /* type 0 seems freshly malloced struct |
1700 | * for us to use */ | |
7a911e57 | 1701 | if (ndop->option == u || ndop->type == 0) |
8e7d8c37 RM |
1702 | break; |
1703 | } | |
f132acc3 RM |
1704 | if (dl == *dop_len) |
1705 | ndop = NULL; | |
1706 | } else | |
1707 | ndop = NULL; | |
6714b786 | 1708 | if (ndop == NULL) { |
8e7d8c37 | 1709 | if ((ndop = realloc(*dop, |
f132acc3 RM |
1710 | sizeof(**dop) * ((*dop_len) + 1))) == NULL) |
1711 | { | |
069e2f28 | 1712 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
8fc52ced | 1713 | free(np); |
8e7d8c37 RM |
1714 | return -1; |
1715 | } | |
1716 | *dop = ndop; | |
1717 | ndop = &(*dop)[(*dop_len)++]; | |
8e7d8c37 RM |
1718 | ndop->embopts = NULL; |
1719 | ndop->embopts_len = 0; | |
1720 | ndop->encopts = NULL; | |
1721 | ndop->encopts_len = 0; | |
1722 | } else | |
1723 | free_dhcp_opt_embenc(ndop); | |
76bb4d03 | 1724 | ndop->option = (uint32_t)u; /* could have been 0 */ |
8e7d8c37 | 1725 | ndop->type = t; |
34457fe6 | 1726 | ndop->len = (size_t)l; |
bc22d277 | 1727 | ndop->var = np; |
cc71162d RM |
1728 | if (bp) { |
1729 | dl = strlen(bp); | |
1730 | memcpy(ndop->bitflags, bp, dl); | |
1731 | memset(ndop->bitflags + dl, 0, | |
1732 | sizeof(ndop->bitflags) - dl); | |
1733 | } else | |
1734 | memset(ndop->bitflags, 0, sizeof(ndop->bitflags)); | |
8e7d8c37 | 1735 | /* Save the define for embed and encap options */ |
2be15e88 RM |
1736 | switch (opt) { |
1737 | case O_DEFINE: | |
1738 | case O_DEFINEND: | |
1739 | case O_DEFINE6: | |
1740 | case O_VENDOPT: | |
4eb7b489 | 1741 | *ldop = ndop; |
2be15e88 RM |
1742 | break; |
1743 | case O_ENCAP: | |
4eb7b489 | 1744 | *edop = ndop; |
2be15e88 RM |
1745 | break; |
1746 | } | |
8e7d8c37 | 1747 | break; |
7a911e57 RM |
1748 | case O_VENDCLASS: |
1749 | fp = strwhite(arg); | |
1750 | if (fp) | |
1751 | *fp++ = '\0'; | |
f94b4eab RM |
1752 | u = (uint32_t)strtou(arg, NULL, 0, 0, UINT32_MAX, &e); |
1753 | if (e) { | |
069e2f28 | 1754 | logger(ctx, LOG_ERR, "invalid code: %s", arg); |
7a911e57 RM |
1755 | return -1; |
1756 | } | |
1757 | if (fp) { | |
1758 | s = parse_string(NULL, 0, fp); | |
1759 | if (s == -1) { | |
069e2f28 | 1760 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
7a911e57 RM |
1761 | return -1; |
1762 | } | |
34457fe6 RM |
1763 | dl = (size_t)s; |
1764 | if (dl + (sizeof(uint16_t) * 2) > UINT16_MAX) { | |
069e2f28 | 1765 | logger(ctx, LOG_ERR, "vendor class is too big"); |
7a911e57 RM |
1766 | return -1; |
1767 | } | |
34457fe6 | 1768 | np = malloc(dl); |
7a911e57 | 1769 | if (np == NULL) { |
069e2f28 | 1770 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
7a911e57 RM |
1771 | return -1; |
1772 | } | |
34457fe6 | 1773 | parse_string(np, dl, fp); |
7a911e57 | 1774 | } else { |
34457fe6 | 1775 | dl = 0; |
7a911e57 RM |
1776 | np = NULL; |
1777 | } | |
900b6f94 RM |
1778 | vivco = realloc(ifo->vivco, sizeof(*ifo->vivco) * |
1779 | (ifo->vivco_len + 1)); | |
7a911e57 | 1780 | if (vivco == NULL) { |
069e2f28 | 1781 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
7a911e57 RM |
1782 | return -1; |
1783 | } | |
1784 | ifo->vivco = vivco; | |
76bb4d03 | 1785 | ifo->vivco_en = (uint32_t)u; |
7a911e57 | 1786 | vivco = &ifo->vivco[ifo->vivco_len++]; |
34457fe6 | 1787 | vivco->len = dl; |
7a911e57 RM |
1788 | vivco->data = (uint8_t *)np; |
1789 | break; | |
c73ed171 RM |
1790 | case O_AUTHPROTOCOL: |
1791 | fp = strwhite(arg); | |
1792 | if (fp) | |
1793 | *fp++ = '\0'; | |
1794 | if (strcasecmp(arg, "token") == 0) | |
1795 | ifo->auth.protocol = AUTH_PROTO_TOKEN; | |
1796 | else if (strcasecmp(arg, "delayed") == 0) | |
1797 | ifo->auth.protocol = AUTH_PROTO_DELAYED; | |
1798 | else if (strcasecmp(arg, "delayedrealm") == 0) | |
1799 | ifo->auth.protocol = AUTH_PROTO_DELAYEDREALM; | |
1800 | else { | |
069e2f28 | 1801 | logger(ctx, LOG_ERR, "%s: unsupported protocol", arg); |
c73ed171 RM |
1802 | return -1; |
1803 | } | |
1804 | arg = strskipwhite(fp); | |
1805 | fp = strwhite(arg); | |
1806 | if (arg == NULL) { | |
1807 | ifo->auth.options |= DHCPCD_AUTH_SEND; | |
1808 | ifo->auth.algorithm = AUTH_ALG_HMAC_MD5; | |
1809 | ifo->auth.rdm = AUTH_RDM_MONOTONIC; | |
1810 | break; | |
1811 | } | |
1812 | if (fp) | |
1813 | *fp++ = '\0'; | |
1814 | if (strcasecmp(arg, "hmacmd5") == 0 || | |
1815 | strcasecmp(arg, "hmac-md5") == 0) | |
1816 | ifo->auth.algorithm = AUTH_ALG_HMAC_MD5; | |
1817 | else { | |
069e2f28 | 1818 | logger(ctx, LOG_ERR, "%s: unsupported algorithm", arg); |
c73ed171 RM |
1819 | return 1; |
1820 | } | |
1821 | arg = fp; | |
1822 | if (arg == NULL) { | |
1823 | ifo->auth.options |= DHCPCD_AUTH_SEND; | |
1824 | ifo->auth.rdm = AUTH_RDM_MONOTONIC; | |
1825 | break; | |
1826 | } | |
cf0840ef RM |
1827 | if (strcasecmp(arg, "monocounter") == 0) { |
1828 | ifo->auth.rdm = AUTH_RDM_MONOTONIC; | |
1829 | ifo->auth.options |= DHCPCD_AUTH_RDM_COUNTER; | |
1830 | } else if (strcasecmp(arg, "monotonic") ==0 || | |
1831 | strcasecmp(arg, "monotime") == 0) | |
c73ed171 RM |
1832 | ifo->auth.rdm = AUTH_RDM_MONOTONIC; |
1833 | else { | |
069e2f28 | 1834 | logger(ctx, LOG_ERR, "%s: unsupported RDM", arg); |
c73ed171 RM |
1835 | return -1; |
1836 | } | |
35fef8ed | 1837 | ifo->auth.options |= DHCPCD_AUTH_SEND; |
c73ed171 RM |
1838 | break; |
1839 | case O_AUTHTOKEN: | |
1840 | fp = strwhite(arg); | |
1841 | if (fp == NULL) { | |
069e2f28 | 1842 | logger(ctx, LOG_ERR, "authtoken requires a realm"); |
c73ed171 RM |
1843 | return -1; |
1844 | } | |
1845 | *fp++ = '\0'; | |
1846 | token = malloc(sizeof(*token)); | |
1847 | if (token == NULL) { | |
069e2f28 | 1848 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
a8c8e686 | 1849 | free(token); |
c73ed171 RM |
1850 | return -1; |
1851 | } | |
1852 | if (parse_uint32(&token->secretid, arg) == -1) { | |
069e2f28 | 1853 | logger(ctx, LOG_ERR, "%s: not a number", arg); |
c73ed171 RM |
1854 | free(token); |
1855 | return -1; | |
1856 | } | |
1857 | arg = fp; | |
1858 | fp = strend(arg); | |
1859 | if (fp == NULL) { | |
069e2f28 | 1860 | logger(ctx, LOG_ERR, "authtoken requies an a key"); |
c73ed171 RM |
1861 | free(token); |
1862 | return -1; | |
1863 | } | |
1864 | *fp++ = '\0'; | |
34457fe6 RM |
1865 | s = parse_string(NULL, 0, arg); |
1866 | if (s == -1) { | |
069e2f28 | 1867 | logger(ctx, LOG_ERR, "realm_len: %m"); |
a8c8e686 | 1868 | free(token); |
34457fe6 RM |
1869 | return -1; |
1870 | } | |
1871 | if (s) { | |
1872 | token->realm_len = (size_t)s; | |
c73ed171 RM |
1873 | token->realm = malloc(token->realm_len); |
1874 | if (token->realm == NULL) { | |
1875 | free(token); | |
069e2f28 | 1876 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
c73ed171 RM |
1877 | return -1; |
1878 | } | |
1879 | parse_string((char *)token->realm, token->realm_len, | |
1880 | arg); | |
34457fe6 RM |
1881 | } else { |
1882 | token->realm_len = 0; | |
1883 | token->realm = NULL; | |
c73ed171 RM |
1884 | } |
1885 | arg = fp; | |
1886 | fp = strend(arg); | |
1887 | if (fp == NULL) { | |
069e2f28 | 1888 | logger(ctx, LOG_ERR, "authtoken requies an an expiry date"); |
c73ed171 RM |
1889 | free(token->realm); |
1890 | free(token); | |
1891 | return -1; | |
1892 | } | |
1893 | *fp++ = '\0'; | |
1894 | if (*arg == '"') { | |
1895 | arg++; | |
1896 | np = strchr(arg, '"'); | |
1897 | if (np) | |
1898 | *np = '\0'; | |
1899 | } | |
1900 | if (strcmp(arg, "0") == 0 || strcasecmp(arg, "forever") == 0) | |
1901 | token->expire =0; | |
1902 | else { | |
1903 | struct tm tm; | |
1904 | ||
1905 | memset(&tm, 0, sizeof(tm)); | |
1906 | if (strptime(arg, "%Y-%m-%d %H:%M", &tm) == NULL) { | |
069e2f28 | 1907 | logger(ctx, LOG_ERR, "%s: invalid date time", arg); |
c73ed171 RM |
1908 | free(token->realm); |
1909 | free(token); | |
1910 | return -1; | |
1911 | } | |
1912 | if ((token->expire = mktime(&tm)) == (time_t)-1) { | |
069e2f28 | 1913 | logger(ctx, LOG_ERR, "%s: mktime: %m", __func__); |
c73ed171 RM |
1914 | free(token->realm); |
1915 | free(token); | |
1916 | return -1; | |
1917 | } | |
1918 | } | |
1919 | arg = fp; | |
34457fe6 RM |
1920 | s = parse_string(NULL, 0, arg); |
1921 | if (s == -1 || s == 0) { | |
069e2f28 | 1922 | logger(ctx, LOG_ERR, s == -1 ? "token_len: %m" : |
34457fe6 | 1923 | "authtoken needs a key"); |
c73ed171 RM |
1924 | free(token->realm); |
1925 | free(token); | |
1926 | return -1; | |
1927 | } | |
34457fe6 | 1928 | token->key_len = (size_t)s; |
c73ed171 RM |
1929 | token->key = malloc(token->key_len); |
1930 | parse_string((char *)token->key, token->key_len, arg); | |
1931 | TAILQ_INSERT_TAIL(&ifo->auth.tokens, token, next); | |
1932 | break; | |
1933 | case O_AUTHNOTREQUIRED: | |
1934 | ifo->auth.options &= ~DHCPCD_AUTH_REQUIRE; | |
1935 | break; | |
94bec972 RM |
1936 | case O_DHCP: |
1937 | ifo->options |= DHCPCD_DHCP | DHCPCD_IPV4; | |
1938 | break; | |
d4154ba7 RM |
1939 | case O_NODHCP: |
1940 | ifo->options &= ~DHCPCD_DHCP; | |
1941 | break; | |
94bec972 RM |
1942 | case O_DHCP6: |
1943 | ifo->options |= DHCPCD_DHCP6 | DHCPCD_IPV6; | |
1944 | break; | |
d4154ba7 RM |
1945 | case O_NODHCP6: |
1946 | ifo->options &= ~DHCPCD_DHCP6; | |
1947 | break; | |
a93e79c6 RM |
1948 | case O_CONTROLGRP: |
1949 | #ifdef _REENTRANT | |
1950 | l = sysconf(_SC_GETGR_R_SIZE_MAX); | |
1951 | if (l == -1) | |
1952 | dl = 1024; | |
1953 | else | |
1954 | dl = (size_t)l; | |
1955 | p = malloc(dl); | |
1956 | if (p == NULL) { | |
069e2f28 | 1957 | logger(ctx, LOG_ERR, "%s: malloc: %m", __func__); |
a93e79c6 RM |
1958 | return -1; |
1959 | } | |
1960 | while ((i = getgrnam_r(arg, &grpbuf, p, (size_t)l, &grp)) == | |
1961 | ERANGE) | |
1962 | { | |
1963 | size_t nl = dl * 2; | |
1964 | if (nl < dl) { | |
069e2f28 | 1965 | logger(ctx, LOG_ERR, "control_group: out of buffer"); |
a93e79c6 RM |
1966 | free(p); |
1967 | return -1; | |
1968 | } | |
1969 | dl = nl; | |
1970 | np = realloc(p, dl); | |
1971 | if (np == NULL) { | |
069e2f28 | 1972 | logger(ctx, LOG_ERR, "control_group: realloc: %m"); |
a93e79c6 RM |
1973 | free(p); |
1974 | return -1; | |
1975 | } | |
1976 | p = np; | |
1977 | } | |
1978 | if (i != 0) { | |
1979 | errno = i; | |
069e2f28 | 1980 | logger(ctx, LOG_ERR, "getgrnam_r: %m"); |
a93e79c6 RM |
1981 | free(p); |
1982 | return -1; | |
1983 | } | |
1984 | if (grp == NULL) { | |
069e2f28 | 1985 | logger(ctx, LOG_ERR, "controlgroup: %s: not found", arg); |
a93e79c6 RM |
1986 | free(p); |
1987 | return -1; | |
1988 | } | |
1989 | ctx->control_group = grp->gr_gid; | |
1990 | free(p); | |
1991 | #else | |
1992 | grp = getgrnam(arg); | |
1993 | if (grp == NULL) { | |
069e2f28 | 1994 | logger(ctx, LOG_ERR, "controlgroup: %s: not found", arg); |
a93e79c6 RM |
1995 | return -1; |
1996 | } | |
1997 | ctx->control_group = grp->gr_gid; | |
1998 | #endif | |
1999 | break; | |
ee56a47d RM |
2000 | case O_GATEWAY: |
2001 | ifo->options |= DHCPCD_GATEWAY; | |
2002 | break; | |
1aeaf0e7 RM |
2003 | case O_SLAAC: |
2004 | if (strcmp(arg, "private") == 0 || | |
2005 | strcmp(arg, "stableprivate") == 0 || | |
2006 | strcmp(arg, "stable") == 0) | |
2007 | ifo->options |= DHCPCD_SLAACPRIVATE; | |
2008 | else | |
2009 | ifo->options &= ~DHCPCD_SLAACPRIVATE; | |
3ed12ab8 | 2010 | break; |
9d5cb9f9 RM |
2011 | case O_PFXDLGMIX: |
2012 | ifo->options |= DHCPCD_PFXDLGMIX; | |
fb8a0db7 | 2013 | break; |
8f924434 RM |
2014 | case O_BOOTP: |
2015 | ifo->options |= DHCPCD_BOOTP; | |
2016 | break; | |
fd05b7dc RM |
2017 | default: |
2018 | return 0; | |
2019 | } | |
2020 | ||
2021 | return 1; | |
2022 | } | |
2023 | ||
2024 | static int | |
4eb7b489 RM |
2025 | parse_config_line(struct dhcpcd_ctx *ctx, const char *ifname, |
2026 | struct if_options *ifo, const char *opt, char *line, | |
2027 | struct dhcp_opt **ldop, struct dhcp_opt **edop) | |
fd05b7dc RM |
2028 | { |
2029 | unsigned int i; | |
2030 | ||
2031 | for (i = 0; i < sizeof(cf_options) / sizeof(cf_options[0]); i++) { | |
2032 | if (!cf_options[i].name || | |
2033 | strcmp(cf_options[i].name, opt) != 0) | |
2034 | continue; | |
2035 | ||
2036 | if (cf_options[i].has_arg == required_argument && !line) { | |
2037 | fprintf(stderr, | |
eab2229c RM |
2038 | PACKAGE ": option requires an argument -- %s\n", |
2039 | opt); | |
fd05b7dc RM |
2040 | return -1; |
2041 | } | |
2042 | ||
4eb7b489 RM |
2043 | return parse_option(ctx, ifname, ifo, cf_options[i].val, line, |
2044 | ldop, edop); | |
fd05b7dc RM |
2045 | } |
2046 | ||
069e2f28 | 2047 | logger(ctx, LOG_ERR, "unknown option: %s", opt); |
fd05b7dc RM |
2048 | return -1; |
2049 | } | |
2050 | ||
741f46c6 | 2051 | static void |
b0272a9d | 2052 | finish_config(struct if_options *ifo) |
741f46c6 RM |
2053 | { |
2054 | ||
2055 | /* Terminate the encapsulated options */ | |
2056 | if (ifo->vendor[0] && !(ifo->options & DHCPCD_VENDORRAW)) { | |
2057 | ifo->vendor[0]++; | |
2058 | ifo->vendor[ifo->vendor[0]] = DHO_END; | |
aeddc61a RM |
2059 | /* We are called twice. |
2060 | * This should be fixed, but in the meantime, this | |
2061 | * guard should suffice */ | |
2062 | ifo->options |= DHCPCD_VENDORRAW; | |
741f46c6 | 2063 | } |
b0272a9d | 2064 | } |
741f46c6 | 2065 | |
c1b54b57 RM |
2066 | /* Handy routine to read very long lines in text files. |
2067 | * This means we read the whole line and avoid any nasty buffer overflows. | |
2068 | * We strip leading space and avoid comment lines, making the code that calls | |
2069 | * us smaller. */ | |
2070 | static char * | |
4eb7b489 RM |
2071 | get_line(char ** __restrict buf, size_t * __restrict buflen, |
2072 | FILE * __restrict fp) | |
c1b54b57 RM |
2073 | { |
2074 | char *p; | |
2075 | ssize_t bytes; | |
2076 | ||
2077 | do { | |
2078 | bytes = getline(buf, buflen, fp); | |
2079 | if (bytes == -1) | |
2080 | return NULL; | |
2081 | for (p = *buf; *p == ' ' || *p == '\t'; p++) | |
2082 | ; | |
2083 | } while (*p == '\0' || *p == '\n' || *p == '#' || *p == ';'); | |
2084 | if ((*buf)[--bytes] == '\n') | |
2085 | (*buf)[bytes] = '\0'; | |
2086 | return p; | |
2087 | } | |
2088 | ||
fd05b7dc | 2089 | struct if_options * |
4eb7b489 | 2090 | read_config(struct dhcpcd_ctx *ctx, |
6f767217 | 2091 | const char *ifname, const char *ssid, const char *profile) |
fd05b7dc RM |
2092 | { |
2093 | struct if_options *ifo; | |
c1b54b57 | 2094 | FILE *fp; |
727d8459 | 2095 | struct stat sb; |
c1b54b57 RM |
2096 | char *line, *buf, *option, *p; |
2097 | size_t buflen; | |
fec195b5 | 2098 | ssize_t vlen; |
edb0ed37 | 2099 | int skip = 0, have_profile = 0, new_block, had_block; |
1cd05a96 | 2100 | #ifndef EMBEDDED_CONFIG |
e2e644e9 | 2101 | const char * const *e; |
c1b54b57 | 2102 | size_t ol; |
1cd05a96 | 2103 | #endif |
d9fbb118 | 2104 | #if !defined(INET) || !defined(INET6) |
10cac699 | 2105 | size_t i; |
d9fbb118 RM |
2106 | struct dhcp_opt *opt; |
2107 | #endif | |
4eb7b489 | 2108 | struct dhcp_opt *ldop, *edop; |
fd05b7dc RM |
2109 | |
2110 | /* Seed our default options */ | |
10e17e3f RM |
2111 | ifo = calloc(1, sizeof(*ifo)); |
2112 | if (ifo == NULL) { | |
069e2f28 | 2113 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
10e17e3f RM |
2114 | return NULL; |
2115 | } | |
aae24feb | 2116 | ifo->options |= DHCPCD_DAEMONISE | DHCPCD_LINK; |
413652c1 RM |
2117 | #ifdef PLUGIN_DEV |
2118 | ifo->options |= DHCPCD_DEV; | |
2119 | #endif | |
aae24feb | 2120 | #ifdef INET |
d4154ba7 | 2121 | ifo->options |= DHCPCD_IPV4 | DHCPCD_DHCP | DHCPCD_IPV4LL; |
00ababe4 | 2122 | ifo->options |= DHCPCD_GATEWAY | DHCPCD_ARP; |
aae24feb RM |
2123 | #endif |
2124 | #ifdef INET6 | |
62f12387 RM |
2125 | ifo->options |= DHCPCD_IPV6 | DHCPCD_IPV6RS; |
2126 | ifo->options |= DHCPCD_IPV6RA_AUTOCONF | DHCPCD_IPV6RA_REQRDNSS; | |
d4154ba7 | 2127 | ifo->options |= DHCPCD_DHCP6; |
aae24feb | 2128 | #endif |
fd05b7dc | 2129 | ifo->timeout = DEFAULT_TIMEOUT; |
a2a9a498 | 2130 | ifo->reboot = DEFAULT_REBOOT; |
f43e5853 | 2131 | ifo->metric = -1; |
c73ed171 RM |
2132 | ifo->auth.options |= DHCPCD_AUTH_REQUIRE; |
2133 | TAILQ_INIT(&ifo->auth.tokens); | |
793c4286 | 2134 | |
fec195b5 RM |
2135 | vlen = dhcp_vendor((char *)ifo->vendorclassid + 1, |
2136 | sizeof(ifo->vendorclassid) - 1); | |
d7a4dcf9 | 2137 | ifo->vendorclassid[0] = (uint8_t)(vlen == -1 ? 0 : vlen); |
fd05b7dc | 2138 | |
c1b54b57 RM |
2139 | buf = NULL; |
2140 | buflen = 0; | |
2141 | ||
8e7d8c37 | 2142 | /* Parse our embedded options file */ |
1cd05a96 RM |
2143 | if (ifname == NULL) { |
2144 | /* Space for initial estimates */ | |
2145 | #if defined(INET) && defined(INITDEFINES) | |
2146 | ifo->dhcp_override = | |
2147 | calloc(INITDEFINES, sizeof(*ifo->dhcp_override)); | |
2148 | if (ifo->dhcp_override == NULL) | |
069e2f28 | 2149 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
1cd05a96 RM |
2150 | else |
2151 | ifo->dhcp_override_len = INITDEFINES; | |
2152 | #endif | |
2153 | ||
2be15e88 RM |
2154 | #if defined(INET6) && defined(INITDEFINENDS) |
2155 | ifo->nd_override = | |
2156 | calloc(INITDEFINENDS, sizeof(*ifo->nd_override)); | |
2157 | if (ifo->nd_override == NULL) | |
2158 | logger(ctx, LOG_ERR, "%s: %m", __func__); | |
2159 | else | |
2160 | ifo->nd_override_len = INITDEFINENDS; | |
2161 | #endif | |
1cd05a96 RM |
2162 | #if defined(INET6) && defined(INITDEFINE6S) |
2163 | ifo->dhcp6_override = | |
2164 | calloc(INITDEFINE6S, sizeof(*ifo->dhcp6_override)); | |
2165 | if (ifo->dhcp6_override == NULL) | |
069e2f28 | 2166 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
1cd05a96 | 2167 | else |
d9fbb118 | 2168 | ifo->dhcp6_override_len = INITDEFINE6S; |
1cd05a96 RM |
2169 | #endif |
2170 | ||
2171 | /* Now load our embedded config */ | |
2172 | #ifdef EMBEDDED_CONFIG | |
c1b54b57 RM |
2173 | fp = fopen(EMBEDDED_CONFIG, "r"); |
2174 | if (fp == NULL) | |
069e2f28 | 2175 | logger(ctx, LOG_ERR, "fopen `%s': %m", EMBEDDED_CONFIG); |
1cd05a96 | 2176 | |
c1b54b57 | 2177 | while (fp && (line = get_line(&buf, &buflen, fp))) { |
1cd05a96 | 2178 | #else |
a319fa53 RM |
2179 | buflen = 80; |
2180 | buf = malloc(buflen); | |
2181 | if (buf == NULL) { | |
069e2f28 | 2182 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
1cd05a96 RM |
2183 | return NULL; |
2184 | } | |
4eb7b489 | 2185 | ldop = edop = NULL; |
1cd05a96 RM |
2186 | for (e = dhcpcd_embedded_conf; *e; e++) { |
2187 | ol = strlen(*e) + 1; | |
a319fa53 | 2188 | if (ol > buflen) { |
a319fa53 | 2189 | buflen = ol; |
967db595 | 2190 | buf = realloc(buf, buflen); |
a319fa53 | 2191 | if (buf == NULL) { |
069e2f28 | 2192 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
967db595 | 2193 | free(buf); |
1cd05a96 RM |
2194 | return NULL; |
2195 | } | |
2196 | } | |
a319fa53 RM |
2197 | memcpy(buf, *e, ol); |
2198 | line = buf; | |
1cd05a96 | 2199 | #endif |
8e7d8c37 | 2200 | option = strsep(&line, " \t"); |
ab371aa6 RM |
2201 | if (line) |
2202 | line = strskipwhite(line); | |
8e7d8c37 RM |
2203 | /* Trim trailing whitespace */ |
2204 | if (line && *line) { | |
2205 | p = line + strlen(line) - 1; | |
2206 | while (p != line && | |
2207 | (*p == ' ' || *p == '\t') && | |
2208 | *(p - 1) != '\\') | |
2209 | *p-- = '\0'; | |
2210 | } | |
4eb7b489 RM |
2211 | parse_config_line(ctx, NULL, ifo, option, line, |
2212 | &ldop, &edop); | |
1cd05a96 | 2213 | |
8e7d8c37 | 2214 | } |
1cd05a96 RM |
2215 | |
2216 | #ifdef EMBEDDED_CONFIG | |
c1b54b57 RM |
2217 | if (fp) |
2218 | fclose(fp); | |
1cd05a96 RM |
2219 | #endif |
2220 | #ifdef INET | |
4eb7b489 RM |
2221 | ctx->dhcp_opts = ifo->dhcp_override; |
2222 | ctx->dhcp_opts_len = ifo->dhcp_override_len; | |
1cd05a96 | 2223 | #else |
d9fbb118 RM |
2224 | for (i = 0, opt = ifo->dhcp_override; |
2225 | i < ifo->dhcp_override_len; | |
2226 | i++, opt++) | |
2227 | free_dhcp_opt_embenc(opt); | |
1cd05a96 RM |
2228 | free(ifo->dhcp_override); |
2229 | #endif | |
2230 | ifo->dhcp_override = NULL; | |
2231 | ifo->dhcp_override_len = 0; | |
2232 | ||
2233 | #ifdef INET6 | |
2be15e88 RM |
2234 | ctx->nd_opts = ifo->nd_override; |
2235 | ctx->nd_opts_len = ifo->nd_override_len; | |
4eb7b489 RM |
2236 | ctx->dhcp6_opts = ifo->dhcp6_override; |
2237 | ctx->dhcp6_opts_len = ifo->dhcp6_override_len; | |
1cd05a96 | 2238 | #else |
2be15e88 RM |
2239 | for (i = 0, opt = ifo->nd_override; |
2240 | i < ifo->nd_override_len; | |
2241 | i++, opt++) | |
2242 | free_dhcp_opt_embenc(opt); | |
2243 | free(ifo->nd_override); | |
d9fbb118 | 2244 | for (i = 0, opt = ifo->dhcp6_override; |
10cac699 | 2245 | i < ifo->dhcp6_override_len; |
d9fbb118 RM |
2246 | i++, opt++) |
2247 | free_dhcp_opt_embenc(opt); | |
1cd05a96 RM |
2248 | free(ifo->dhcp6_override); |
2249 | #endif | |
2be15e88 RM |
2250 | ifo->nd_override = NULL; |
2251 | ifo->nd_override_len = 0; | |
1cd05a96 RM |
2252 | ifo->dhcp6_override = NULL; |
2253 | ifo->dhcp6_override_len = 0; | |
7a911e57 | 2254 | |
4eb7b489 RM |
2255 | ctx->vivso = ifo->vivso_override; |
2256 | ctx->vivso_len = ifo->vivso_override_len; | |
7a911e57 RM |
2257 | ifo->vivso_override = NULL; |
2258 | ifo->vivso_override_len = 0; | |
8e7d8c37 RM |
2259 | } |
2260 | ||
fd05b7dc | 2261 | /* Parse our options file */ |
4eb7b489 | 2262 | fp = fopen(ctx->cffile, "r"); |
c1b54b57 | 2263 | if (fp == NULL) { |
4eb7b489 | 2264 | if (strcmp(ctx->cffile, CONFIG)) |
069e2f28 | 2265 | logger(ctx, LOG_ERR, "fopen `%s': %m", ctx->cffile); |
c1b54b57 | 2266 | free(buf); |
fd05b7dc | 2267 | return ifo; |
5e2062a4 | 2268 | } |
727d8459 RM |
2269 | if (stat(ctx->cffile, &sb) == 0) |
2270 | ifo->mtime = sb.st_mtime; | |
fd05b7dc | 2271 | |
4eb7b489 | 2272 | ldop = edop = NULL; |
c1b54b57 | 2273 | while ((line = get_line(&buf, &buflen, fp))) { |
e1caa8db | 2274 | option = strsep(&line, " \t"); |
ab371aa6 RM |
2275 | if (line) |
2276 | line = strskipwhite(line); | |
fd05b7dc RM |
2277 | /* Trim trailing whitespace */ |
2278 | if (line && *line) { | |
2279 | p = line + strlen(line) - 1; | |
2280 | while (p != line && | |
eab2229c RM |
2281 | (*p == ' ' || *p == '\t') && |
2282 | *(p - 1) != '\\') | |
fd05b7dc RM |
2283 | *p-- = '\0'; |
2284 | } | |
edb0ed37 RM |
2285 | if (new_block) { |
2286 | had_block = 1; | |
2287 | new_block = 0; | |
2288 | ifo->options &= ~DHCPCD_WAITOPTS; | |
2289 | } | |
fd05b7dc RM |
2290 | /* Start of an interface block, skip if not ours */ |
2291 | if (strcmp(option, "interface") == 0) { | |
4d91c2e7 RM |
2292 | char **n; |
2293 | ||
edb0ed37 | 2294 | new_block = 1; |
fd05b7dc RM |
2295 | if (ifname && line && strcmp(line, ifname) == 0) |
2296 | skip = 0; | |
2297 | else | |
2298 | skip = 1; | |
4d91c2e7 RM |
2299 | if (ifname) |
2300 | continue; | |
2301 | ||
2302 | n = realloc(ctx->ifcv, | |
2303 | sizeof(char *) * ((size_t)ctx->ifcc + 1)); | |
2304 | if (n == NULL) { | |
069e2f28 | 2305 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
4d91c2e7 RM |
2306 | continue; |
2307 | } | |
2308 | ctx->ifcv = n; | |
2309 | ctx->ifcv[ctx->ifcc] = strdup(line); | |
2310 | if (ctx->ifcv[ctx->ifcc] == NULL) { | |
069e2f28 | 2311 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
4d91c2e7 RM |
2312 | continue; |
2313 | } | |
2314 | ctx->ifcc++; | |
069e2f28 | 2315 | logger(ctx, LOG_DEBUG, "allowing interface %s", |
4d91c2e7 | 2316 | ctx->ifcv[ctx->ifcc - 1]); |
fd05b7dc | 2317 | continue; |
c53cf4ef RM |
2318 | } |
2319 | /* Start of an ssid block, skip if not ours */ | |
2320 | if (strcmp(option, "ssid") == 0) { | |
edb0ed37 | 2321 | new_block = 1; |
c53cf4ef RM |
2322 | if (ssid && line && strcmp(line, ssid) == 0) |
2323 | skip = 0; | |
2324 | else | |
2325 | skip = 1; | |
2326 | continue; | |
fd05b7dc | 2327 | } |
6f767217 RM |
2328 | /* Start of a profile block, skip if not ours */ |
2329 | if (strcmp(option, "profile") == 0) { | |
edb0ed37 | 2330 | new_block = 1; |
6f767217 RM |
2331 | if (profile && line && strcmp(line, profile) == 0) { |
2332 | skip = 0; | |
2333 | have_profile = 1; | |
2334 | } else | |
2335 | skip = 1; | |
2336 | continue; | |
2337 | } | |
ba7a34fb RM |
2338 | /* Skip arping if we have selected a profile but not parsing |
2339 | * one. */ | |
2340 | if (profile && !have_profile && strcmp(option, "arping") == 0) | |
2341 | continue; | |
fd05b7dc RM |
2342 | if (skip) |
2343 | continue; | |
4eb7b489 | 2344 | parse_config_line(ctx, ifname, ifo, option, line, &ldop, &edop); |
fd05b7dc | 2345 | } |
c1b54b57 RM |
2346 | fclose(fp); |
2347 | free(buf); | |
fd05b7dc | 2348 | |
6f767217 RM |
2349 | if (profile && !have_profile) { |
2350 | free_options(ifo); | |
2351 | errno = ENOENT; | |
658bfd5e | 2352 | return NULL; |
6f767217 RM |
2353 | } |
2354 | ||
edb0ed37 RM |
2355 | if (!had_block) |
2356 | ifo->options &= ~DHCPCD_WAITOPTS; | |
b0272a9d | 2357 | finish_config(ifo); |
fd05b7dc RM |
2358 | return ifo; |
2359 | } | |
2360 | ||
2361 | int | |
4eb7b489 RM |
2362 | add_options(struct dhcpcd_ctx *ctx, const char *ifname, |
2363 | struct if_options *ifo, int argc, char **argv) | |
fd05b7dc | 2364 | { |
29c0fd6f | 2365 | int oi, opt, r; |
edb0ed37 | 2366 | unsigned long long wait_opts; |
29c0fd6f RM |
2367 | |
2368 | if (argc == 0) | |
2369 | return 1; | |
fd05b7dc RM |
2370 | |
2371 | optind = 0; | |
29c0fd6f | 2372 | r = 1; |
edb0ed37 RM |
2373 | /* Don't apply the command line wait options to each interface, |
2374 | * only use the dhcpcd.conf entry for that. */ | |
2375 | if (ifname != NULL) | |
2376 | wait_opts = ifo->options & DHCPCD_WAITOPTS; | |
fd05b7dc RM |
2377 | while ((opt = getopt_long(argc, argv, IF_OPTS, cf_options, &oi)) != -1) |
2378 | { | |
4eb7b489 | 2379 | r = parse_option(ctx, ifname, ifo, opt, optarg, NULL, NULL); |
fd05b7dc RM |
2380 | if (r != 1) |
2381 | break; | |
2382 | } | |
edb0ed37 RM |
2383 | if (ifname != NULL) { |
2384 | ifo->options &= ~DHCPCD_WAITOPTS; | |
2385 | ifo->options |= wait_opts; | |
2386 | } | |
741f46c6 | 2387 | |
b0272a9d | 2388 | finish_config(ifo); |
fd05b7dc RM |
2389 | return r; |
2390 | } | |
2391 | ||
2392 | void | |
2393 | free_options(struct if_options *ifo) | |
2394 | { | |
2395 | size_t i; | |
d9fbb118 | 2396 | struct dhcp_opt *opt; |
900b6f94 | 2397 | struct vivco *vo; |
c73ed171 | 2398 | struct token *token; |
fd05b7dc | 2399 | |
f43e5853 RM |
2400 | if (ifo) { |
2401 | if (ifo->environ) { | |
2402 | i = 0; | |
2403 | while (ifo->environ[i]) | |
2404 | free(ifo->environ[i++]); | |
2405 | free(ifo->environ); | |
2406 | } | |
91a44b91 RM |
2407 | if (ifo->config) { |
2408 | i = 0; | |
2409 | while (ifo->config[i]) | |
2410 | free(ifo->config[i++]); | |
2411 | free(ifo->config); | |
2412 | } | |
e88c525f | 2413 | ipv4_freeroutes(ifo->routes); |
1681b126 | 2414 | free(ifo->script); |
ff021b0b | 2415 | free(ifo->arping); |
f43e5853 | 2416 | free(ifo->blacklist); |
ff021b0b | 2417 | free(ifo->fallback); |
8e7d8c37 | 2418 | |
59a555cd RM |
2419 | for (opt = ifo->dhcp_override; |
2420 | ifo->dhcp_override_len > 0; | |
2421 | opt++, ifo->dhcp_override_len--) | |
d9fbb118 | 2422 | free_dhcp_opt_embenc(opt); |
8e7d8c37 | 2423 | free(ifo->dhcp_override); |
2be15e88 RM |
2424 | for (opt = ifo->nd_override; |
2425 | ifo->nd_override_len > 0; | |
2426 | opt++, ifo->nd_override_len--) | |
2427 | free_dhcp_opt_embenc(opt); | |
2428 | free(ifo->nd_override); | |
59a555cd RM |
2429 | for (opt = ifo->dhcp6_override; |
2430 | ifo->dhcp6_override_len > 0; | |
2431 | opt++, ifo->dhcp6_override_len--) | |
7a911e57 RM |
2432 | free_dhcp_opt_embenc(opt); |
2433 | free(ifo->dhcp6_override); | |
59a555cd RM |
2434 | for (vo = ifo->vivco; |
2435 | ifo->vivco_len > 0; | |
2436 | vo++, ifo->vivco_len--) | |
900b6f94 RM |
2437 | free(vo->data); |
2438 | free(ifo->vivco); | |
59a555cd RM |
2439 | for (opt = ifo->vivso_override; |
2440 | ifo->vivso_override_len > 0; | |
2441 | opt++, ifo->vivso_override_len--) | |
7a911e57 | 2442 | free_dhcp_opt_embenc(opt); |
900b6f94 | 2443 | free(ifo->vivso_override); |
8e7d8c37 | 2444 | |
00ababe4 | 2445 | #ifdef INET6 |
59a555cd RM |
2446 | for (; ifo->ia_len > 0; ifo->ia_len--) |
2447 | free(ifo->ia[ifo->ia_len - 1].sla); | |
00ababe4 | 2448 | #endif |
ebc9d360 RM |
2449 | free(ifo->ia); |
2450 | ||
c73ed171 RM |
2451 | while ((token = TAILQ_FIRST(&ifo->auth.tokens))) { |
2452 | TAILQ_REMOVE(&ifo->auth.tokens, token, next); | |
2453 | if (token->realm_len) | |
2454 | free(token->realm); | |
2455 | free(token->key); | |
2456 | free(token); | |
2457 | } | |
f43e5853 | 2458 | free(ifo); |
fd05b7dc | 2459 | } |
fd05b7dc | 2460 | } |