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8cc47ba2 | 1 | /* |
fd05b7dc | 2 | * dhcpcd - DHCP client daemon |
c31b1719 | 3 | * Copyright (c) 2006-2016 Roy Marples <roy@marples.name> |
fd05b7dc RM |
4 | * All rights reserved |
5 | ||
6 | * Redistribution and use in source and binary forms, with or without | |
7 | * modification, are permitted provided that the following conditions | |
8 | * are met: | |
9 | * 1. Redistributions of source code must retain the above copyright | |
10 | * notice, this list of conditions and the following disclaimer. | |
11 | * 2. Redistributions in binary form must reproduce the above copyright | |
12 | * notice, this list of conditions and the following disclaimer in the | |
13 | * documentation and/or other materials provided with the distribution. | |
14 | * | |
15 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND | |
16 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
17 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
18 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
19 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
20 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
21 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
22 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
23 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
24 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
25 | * SUCH DAMAGE. | |
26 | */ | |
27 | ||
0d0c5f66 | 28 | #include <sys/param.h> |
727d8459 | 29 | #include <sys/stat.h> |
fd05b7dc RM |
30 | #include <sys/types.h> |
31 | ||
32 | #include <arpa/inet.h> | |
33 | ||
34 | #include <ctype.h> | |
35 | #include <errno.h> | |
36 | #include <getopt.h> | |
a93e79c6 | 37 | #include <grp.h> |
f94b4eab | 38 | #include <inttypes.h> |
0d0c5f66 | 39 | #include <limits.h> |
fd05b7dc RM |
40 | #include <paths.h> |
41 | #include <stdio.h> | |
42 | #include <stdlib.h> | |
43 | #include <string.h> | |
44 | #include <unistd.h> | |
45 | #include <time.h> | |
46 | ||
fd05b7dc | 47 | #include "config.h" |
9f7780b0 | 48 | #include "common.h" |
d7555c12 RM |
49 | #include "dhcp.h" |
50 | #include "dhcp6.h" | |
1cd05a96 | 51 | #include "dhcpcd-embedded.h" |
b825b39f | 52 | #include "if.h" |
fd05b7dc | 53 | #include "if-options.h" |
e88c525f | 54 | #include "ipv4.h" |
fd05b7dc | 55 | |
4ca7460f RM |
56 | /* These options only make sense in the config file, so don't use any |
57 | valid short options for them */ | |
eebe9a18 RM |
58 | #define O_BASE MAX('z', 'Z') + 1 |
59 | #define O_ARPING O_BASE + 1 | |
60 | #define O_FALLBACK O_BASE + 2 | |
61 | #define O_DESTINATION O_BASE + 3 | |
62 | #define O_IPV6RS O_BASE + 4 | |
00ababe4 RM |
63 | #define O_NOIPV6RS O_BASE + 5 |
64 | #define O_IPV6RA_FORK O_BASE + 6 | |
eebe9a18 RM |
65 | #define O_IPV6RA_OWN O_BASE + 7 |
66 | #define O_IPV6RA_OWN_D O_BASE + 8 | |
7dab081f | 67 | #define O_NOALIAS O_BASE + 9 |
00ababe4 RM |
68 | #define O_IA_NA O_BASE + 10 |
69 | #define O_IA_TA O_BASE + 11 | |
70 | #define O_IA_PD O_BASE + 12 | |
d6a18654 | 71 | #define O_HOSTNAME_SHORT O_BASE + 13 |
413652c1 RM |
72 | #define O_DEV O_BASE + 14 |
73 | #define O_NODEV O_BASE + 15 | |
bb8051bf RM |
74 | #define O_NOIPV4 O_BASE + 16 |
75 | #define O_NOIPV6 O_BASE + 17 | |
ebc9d360 | 76 | #define O_IAID O_BASE + 18 |
8e7d8c37 RM |
77 | #define O_DEFINE O_BASE + 19 |
78 | #define O_DEFINE6 O_BASE + 20 | |
79 | #define O_EMBED O_BASE + 21 | |
80 | #define O_ENCAP O_BASE + 22 | |
7a911e57 RM |
81 | #define O_VENDOPT O_BASE + 23 |
82 | #define O_VENDCLASS O_BASE + 24 | |
c73ed171 RM |
83 | #define O_AUTHPROTOCOL O_BASE + 25 |
84 | #define O_AUTHTOKEN O_BASE + 26 | |
85 | #define O_AUTHNOTREQUIRED O_BASE + 27 | |
d4154ba7 RM |
86 | #define O_NODHCP O_BASE + 28 |
87 | #define O_NODHCP6 O_BASE + 29 | |
94bec972 RM |
88 | #define O_DHCP O_BASE + 30 |
89 | #define O_DHCP6 O_BASE + 31 | |
90 | #define O_IPV4 O_BASE + 32 | |
91 | #define O_IPV6 O_BASE + 33 | |
a93e79c6 | 92 | #define O_CONTROLGRP O_BASE + 34 |
1aeaf0e7 | 93 | #define O_SLAAC O_BASE + 35 |
ee56a47d | 94 | #define O_GATEWAY O_BASE + 36 |
2862d340 | 95 | #define O_NOUP O_BASE + 37 |
62f12387 RM |
96 | #define O_IPV6RA_AUTOCONF O_BASE + 38 |
97 | #define O_IPV6RA_NOAUTOCONF O_BASE + 39 | |
85bff648 | 98 | #define O_REJECT O_BASE + 40 |
4f0240bf | 99 | #define O_IPV6RA_ACCEPT_NOPUBLIC O_BASE + 41 |
8f924434 | 100 | #define O_BOOTP O_BASE + 42 |
2be15e88 | 101 | #define O_DEFINEND O_BASE + 43 |
f572315d | 102 | #define O_NODELAY O_BASE + 44 |
567a2357 | 103 | #define O_INFORM6 O_BASE + 45 |
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'}, | |
567a2357 | 124 | {"inform6", optional_argument, NULL, O_INFORM6}, |
ba97e494 RM |
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'}, |
56a66017 | 145 | {"renew", no_argument, NULL, 'N'}, |
5114e3dc | 146 | {"nooption", required_argument, NULL, 'O'}, |
c31b1719 | 147 | {"printpidfile", no_argument, NULL, 'P'}, |
ba97e494 | 148 | {"require", required_argument, NULL, 'Q'}, |
91a44b91 | 149 | {"static", required_argument, NULL, 'S'}, |
ba97e494 | 150 | {"test", no_argument, NULL, 'T'}, |
dc60cba4 | 151 | {"dumplease", no_argument, NULL, 'U'}, |
ba97e494 | 152 | {"variables", no_argument, NULL, 'V'}, |
bf80d526 | 153 | {"whitelist", required_argument, NULL, 'W'}, |
ba97e494 | 154 | {"blacklist", required_argument, NULL, 'X'}, |
d3088c74 | 155 | {"denyinterfaces", required_argument, NULL, 'Z'}, |
df574999 RM |
156 | {"oneshot", no_argument, NULL, '1'}, |
157 | {"ipv4only", no_argument, NULL, '4'}, | |
158 | {"ipv6only", no_argument, NULL, '6'}, | |
4ca7460f | 159 | {"arping", required_argument, NULL, O_ARPING}, |
41c60e02 | 160 | {"destination", required_argument, NULL, O_DESTINATION}, |
ff021b0b | 161 | {"fallback", required_argument, NULL, O_FALLBACK}, |
eebe9a18 | 162 | {"ipv6rs", no_argument, NULL, O_IPV6RS}, |
91cd7324 | 163 | {"noipv6rs", no_argument, NULL, O_NOIPV6RS}, |
62f12387 RM |
164 | {"ipv6ra_autoconf", no_argument, NULL, O_IPV6RA_AUTOCONF}, |
165 | {"ipv6ra_noautoconf", no_argument, NULL, O_IPV6RA_NOAUTOCONF}, | |
eebe9a18 RM |
166 | {"ipv6ra_fork", no_argument, NULL, O_IPV6RA_FORK}, |
167 | {"ipv6ra_own", no_argument, NULL, O_IPV6RA_OWN}, | |
168 | {"ipv6ra_own_default", no_argument, NULL, O_IPV6RA_OWN_D}, | |
4f0240bf | 169 | {"ipv6ra_accept_nopublic", no_argument, NULL, O_IPV6RA_ACCEPT_NOPUBLIC}, |
94bec972 | 170 | {"ipv4", no_argument, NULL, O_IPV4}, |
bb8051bf | 171 | {"noipv4", no_argument, NULL, O_NOIPV4}, |
94bec972 | 172 | {"ipv6", no_argument, NULL, O_IPV6}, |
bb8051bf | 173 | {"noipv6", no_argument, NULL, O_NOIPV6}, |
7dab081f | 174 | {"noalias", no_argument, NULL, O_NOALIAS}, |
7a911e57 | 175 | {"iaid", required_argument, NULL, O_IAID}, |
00ababe4 RM |
176 | {"ia_na", no_argument, NULL, O_IA_NA}, |
177 | {"ia_ta", no_argument, NULL, O_IA_TA}, | |
178 | {"ia_pd", no_argument, NULL, O_IA_PD}, | |
d6a18654 | 179 | {"hostname_short", no_argument, NULL, O_HOSTNAME_SHORT}, |
413652c1 RM |
180 | {"dev", required_argument, NULL, O_DEV}, |
181 | {"nodev", no_argument, NULL, O_NODEV}, | |
7a911e57 | 182 | {"define", required_argument, NULL, O_DEFINE}, |
2be15e88 | 183 | {"definend", required_argument, NULL, O_DEFINEND}, |
7a911e57 RM |
184 | {"define6", required_argument, NULL, O_DEFINE6}, |
185 | {"embed", required_argument, NULL, O_EMBED}, | |
186 | {"encap", required_argument, NULL, O_ENCAP}, | |
187 | {"vendopt", required_argument, NULL, O_VENDOPT}, | |
188 | {"vendclass", required_argument, NULL, O_VENDCLASS}, | |
c73ed171 RM |
189 | {"authprotocol", required_argument, NULL, O_AUTHPROTOCOL}, |
190 | {"authtoken", required_argument, NULL, O_AUTHTOKEN}, | |
191 | {"noauthrequired", no_argument, NULL, O_AUTHNOTREQUIRED}, | |
94bec972 | 192 | {"dhcp", no_argument, NULL, O_DHCP}, |
d4154ba7 | 193 | {"nodhcp", no_argument, NULL, O_NODHCP}, |
94bec972 | 194 | {"dhcp6", no_argument, NULL, O_DHCP6}, |
d4154ba7 | 195 | {"nodhcp6", no_argument, NULL, O_NODHCP6}, |
a93e79c6 | 196 | {"controlgroup", required_argument, NULL, O_CONTROLGRP}, |
1aeaf0e7 | 197 | {"slaac", required_argument, NULL, O_SLAAC}, |
3d3e410f | 198 | {"gateway", no_argument, NULL, O_GATEWAY}, |
85bff648 | 199 | {"reject", required_argument, NULL, O_REJECT}, |
8f924434 | 200 | {"bootp", no_argument, NULL, O_BOOTP}, |
f572315d | 201 | {"nodelay", no_argument, NULL, O_NODELAY}, |
2862d340 | 202 | {"noup", no_argument, NULL, O_NOUP}, |
ba97e494 | 203 | {NULL, 0, NULL, '\0'} |
fd05b7dc RM |
204 | }; |
205 | ||
00ababe4 | 206 | static char * |
069e2f28 RM |
207 | add_environ(struct dhcpcd_ctx *ctx, struct if_options *ifo, |
208 | const char *value, int uniq) | |
fd05b7dc RM |
209 | { |
210 | char **newlist; | |
211 | char **lst = ifo->environ; | |
212 | size_t i = 0, l, lv; | |
fa245a4d | 213 | char *match = NULL, *p, *n; |
fd05b7dc | 214 | |
78369646 RM |
215 | match = strdup(value); |
216 | if (match == NULL) { | |
069e2f28 | 217 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
78369646 RM |
218 | return NULL; |
219 | } | |
fd05b7dc | 220 | p = strchr(match, '='); |
d7cfde68 | 221 | if (p == NULL) { |
069e2f28 | 222 | logger(ctx, LOG_ERR, "%s: no assignment: %s", __func__, value); |
d7cfde68 RM |
223 | free(match); |
224 | return NULL; | |
225 | } | |
226 | *p++ = '\0'; | |
fd05b7dc RM |
227 | l = strlen(match); |
228 | ||
229 | while (lst && lst[i]) { | |
230 | if (match && strncmp(lst[i], match, l) == 0) { | |
231 | if (uniq) { | |
78369646 RM |
232 | n = strdup(value); |
233 | if (n == NULL) { | |
069e2f28 RM |
234 | logger(ctx, LOG_ERR, |
235 | "%s: %m", __func__); | |
8fc52ced | 236 | free(match); |
78369646 RM |
237 | return NULL; |
238 | } | |
fd05b7dc | 239 | free(lst[i]); |
78369646 | 240 | lst[i] = n; |
fd05b7dc RM |
241 | } else { |
242 | /* Append a space and the value to it */ | |
243 | l = strlen(lst[i]); | |
d7cfde68 | 244 | lv = strlen(p); |
fa245a4d RM |
245 | n = realloc(lst[i], l + lv + 2); |
246 | if (n == NULL) { | |
069e2f28 RM |
247 | logger(ctx, LOG_ERR, |
248 | "%s: %m", __func__); | |
8fc52ced | 249 | free(match); |
fa245a4d RM |
250 | return NULL; |
251 | } | |
252 | lst[i] = n; | |
fd05b7dc RM |
253 | lst[i][l] = ' '; |
254 | memcpy(lst[i] + l + 1, p, lv); | |
255 | lst[i][l + lv + 1] = '\0'; | |
256 | } | |
257 | free(match); | |
258 | return lst[i]; | |
259 | } | |
260 | i++; | |
261 | } | |
262 | ||
8fc52ced | 263 | free(match); |
78369646 RM |
264 | n = strdup(value); |
265 | if (n == NULL) { | |
069e2f28 | 266 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
78369646 RM |
267 | return NULL; |
268 | } | |
fa245a4d RM |
269 | newlist = realloc(lst, sizeof(char *) * (i + 2)); |
270 | if (newlist == NULL) { | |
069e2f28 | 271 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
8fc52ced | 272 | free(n); |
fa245a4d RM |
273 | return NULL; |
274 | } | |
78369646 | 275 | newlist[i] = n; |
fd05b7dc RM |
276 | newlist[i + 1] = NULL; |
277 | ifo->environ = newlist; | |
fd05b7dc RM |
278 | return newlist[i]; |
279 | } | |
280 | ||
281 | #define parse_string(buf, len, arg) parse_string_hwaddr(buf, len, arg, 0) | |
282 | static ssize_t | |
34457fe6 | 283 | parse_string_hwaddr(char *sbuf, size_t slen, const char *str, int clid) |
fd05b7dc | 284 | { |
34457fe6 | 285 | size_t l; |
fd05b7dc RM |
286 | const char *p; |
287 | int i, punt_last = 0; | |
288 | char c[4]; | |
289 | ||
290 | /* If surrounded by quotes then it's a string */ | |
291 | if (*str == '"') { | |
292 | str++; | |
293 | l = strlen(str); | |
294 | p = str + l - 1; | |
295 | if (*p == '"') | |
296 | punt_last = 1; | |
297 | } else { | |
34457fe6 RM |
298 | l = (size_t)hwaddr_aton(NULL, str); |
299 | if ((ssize_t) l != -1 && l > 1) { | |
fd05b7dc RM |
300 | if (l > slen) { |
301 | errno = ENOBUFS; | |
302 | return -1; | |
303 | } | |
304 | hwaddr_aton((uint8_t *)sbuf, str); | |
34457fe6 | 305 | return (ssize_t)l; |
fd05b7dc RM |
306 | } |
307 | } | |
308 | ||
309 | /* Process escapes */ | |
310 | l = 0; | |
311 | /* If processing a string on the clientid, first byte should be | |
312 | * 0 to indicate a non hardware type */ | |
9c9ad2f1 | 313 | if (clid && *str) { |
7a911e57 RM |
314 | if (sbuf) |
315 | *sbuf++ = 0; | |
fd05b7dc RM |
316 | l++; |
317 | } | |
318 | c[3] = '\0'; | |
319 | while (*str) { | |
7a911e57 | 320 | if (++l > slen && sbuf) { |
fd05b7dc RM |
321 | errno = ENOBUFS; |
322 | return -1; | |
323 | } | |
324 | if (*str == '\\') { | |
325 | str++; | |
857576b4 | 326 | switch(*str) { |
fd05b7dc RM |
327 | case '\0': |
328 | break; | |
329 | case 'b': | |
7a911e57 RM |
330 | if (sbuf) |
331 | *sbuf++ = '\b'; | |
857576b4 | 332 | str++; |
fd05b7dc RM |
333 | break; |
334 | case 'n': | |
7a911e57 RM |
335 | if (sbuf) |
336 | *sbuf++ = '\n'; | |
857576b4 | 337 | str++; |
fd05b7dc RM |
338 | break; |
339 | case 'r': | |
7a911e57 RM |
340 | if (sbuf) |
341 | *sbuf++ = '\r'; | |
857576b4 | 342 | str++; |
fd05b7dc RM |
343 | break; |
344 | case 't': | |
7a911e57 RM |
345 | if (sbuf) |
346 | *sbuf++ = '\t'; | |
857576b4 | 347 | str++; |
fd05b7dc RM |
348 | break; |
349 | case 'x': | |
350 | /* Grab a hex code */ | |
351 | c[1] = '\0'; | |
352 | for (i = 0; i < 2; i++) { | |
353 | if (isxdigit((unsigned char)*str) == 0) | |
354 | break; | |
355 | c[i] = *str++; | |
356 | } | |
7a911e57 | 357 | if (c[1] != '\0' && sbuf) { |
fd05b7dc | 358 | c[2] = '\0'; |
34457fe6 | 359 | *sbuf++ = (char)strtol(c, NULL, 16); |
fd05b7dc RM |
360 | } else |
361 | l--; | |
362 | break; | |
363 | case '0': | |
364 | /* Grab an octal code */ | |
365 | c[2] = '\0'; | |
366 | for (i = 0; i < 3; i++) { | |
367 | if (*str < '0' || *str > '7') | |
368 | break; | |
369 | c[i] = *str++; | |
370 | } | |
7a911e57 | 371 | if (c[2] != '\0' && sbuf) { |
34457fe6 | 372 | i = (int)strtol(c, NULL, 8); |
fd05b7dc RM |
373 | if (i > 255) |
374 | i = 255; | |
34457fe6 | 375 | *sbuf ++= (char)i; |
fd05b7dc RM |
376 | } else |
377 | l--; | |
378 | break; | |
379 | default: | |
7a911e57 RM |
380 | if (sbuf) |
381 | *sbuf++ = *str; | |
382 | str++; | |
383 | break; | |
fd05b7dc | 384 | } |
7a911e57 RM |
385 | } else { |
386 | if (sbuf) | |
387 | *sbuf++ = *str; | |
388 | str++; | |
389 | } | |
fd05b7dc | 390 | } |
c35f63c8 | 391 | if (punt_last) { |
7a911e57 RM |
392 | if (sbuf) |
393 | *--sbuf = '\0'; | |
c35f63c8 RM |
394 | l--; |
395 | } | |
34457fe6 | 396 | return (ssize_t)l; |
fd05b7dc RM |
397 | } |
398 | ||
ebc9d360 | 399 | static int |
c73ed171 | 400 | parse_iaid1(uint8_t *iaid, const char *arg, size_t len, int n) |
ebc9d360 | 401 | { |
f94b4eab RM |
402 | int e; |
403 | uint32_t narg; | |
34457fe6 | 404 | ssize_t s; |
ebc9d360 | 405 | |
f94b4eab RM |
406 | narg = (uint32_t)strtou(arg, NULL, 0, 0, UINT32_MAX, &e); |
407 | if (e == 0) { | |
c73ed171 | 408 | if (n) |
f94b4eab RM |
409 | narg = htonl(narg); |
410 | memcpy(iaid, &narg, sizeof(narg)); | |
ebc9d360 RM |
411 | return 0; |
412 | } | |
413 | ||
069e2f28 | 414 | if ((s = parse_string((char *)iaid, len, arg)) < 1) |
ebc9d360 | 415 | return -1; |
ebc9d360 RM |
416 | if (s < 4) |
417 | iaid[3] = '\0'; | |
418 | if (s < 3) | |
419 | iaid[2] = '\0'; | |
420 | if (s < 2) | |
421 | iaid[1] = '\0'; | |
422 | return 0; | |
423 | } | |
424 | ||
c73ed171 RM |
425 | static int |
426 | parse_iaid(uint8_t *iaid, const char *arg, size_t len) | |
427 | { | |
428 | ||
429 | return parse_iaid1(iaid, arg, len, 1); | |
430 | } | |
431 | ||
432 | static int | |
433 | parse_uint32(uint32_t *i, const char *arg) | |
434 | { | |
435 | ||
436 | return parse_iaid1((uint8_t *)i, arg, sizeof(uint32_t), 0); | |
437 | } | |
438 | ||
ba97e494 | 439 | static char ** |
069e2f28 | 440 | splitv(struct dhcpcd_ctx *ctx, int *argc, char **argv, const char *arg) |
ba97e494 | 441 | { |
fa245a4d | 442 | char **n, **v = argv; |
78369646 | 443 | char *o = strdup(arg), *p, *t, *nt; |
ba97e494 | 444 | |
78369646 | 445 | if (o == NULL) { |
069e2f28 | 446 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
78369646 RM |
447 | return v; |
448 | } | |
ba97e494 RM |
449 | p = o; |
450 | while ((t = strsep(&p, ", "))) { | |
fa245a4d RM |
451 | nt = strdup(t); |
452 | if (nt == NULL) { | |
069e2f28 | 453 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
8fc52ced RM |
454 | free(o); |
455 | return v; | |
fa245a4d | 456 | } |
34457fe6 | 457 | n = realloc(v, sizeof(char *) * ((size_t)(*argc) + 1)); |
fa245a4d | 458 | if (n == NULL) { |
069e2f28 | 459 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
8fc52ced RM |
460 | free(o); |
461 | free(nt); | |
462 | return v; | |
fa245a4d RM |
463 | } |
464 | v = n; | |
8fc52ced | 465 | v[(*argc)++] = nt; |
ba97e494 RM |
466 | } |
467 | free(o); | |
00ababe4 | 468 | return v; |
ba97e494 RM |
469 | } |
470 | ||
1f4c1525 | 471 | #ifdef INET |
91a44b91 | 472 | static int |
069e2f28 RM |
473 | parse_addr(struct dhcpcd_ctx *ctx, |
474 | struct in_addr *addr, struct in_addr *net, const char *arg) | |
91a44b91 RM |
475 | { |
476 | char *p; | |
91a44b91 | 477 | |
2f7cb97c RM |
478 | if (arg == NULL || *arg == '\0') { |
479 | if (addr != NULL) | |
480 | addr->s_addr = 0; | |
481 | if (net != NULL) | |
482 | net->s_addr = 0; | |
91a44b91 | 483 | return 0; |
2f7cb97c | 484 | } |
91a44b91 | 485 | if ((p = strchr(arg, '/')) != NULL) { |
96dbe2c7 RM |
486 | int e; |
487 | intmax_t i; | |
488 | ||
91a44b91 | 489 | *p++ = '\0'; |
96dbe2c7 RM |
490 | i = strtoi(p, NULL, 10, 0, 32, &e); |
491 | if (e != 0 || | |
492 | (net != NULL && inet_cidrtoaddr((int)i, net) != 0)) | |
91a44b91 | 493 | { |
069e2f28 | 494 | logger(ctx, LOG_ERR, "`%s' is not a valid CIDR", p); |
91a44b91 RM |
495 | return -1; |
496 | } | |
00ababe4 | 497 | } |
2f7cb97c | 498 | |
91a44b91 | 499 | if (addr != NULL && inet_aton(arg, addr) == 0) { |
069e2f28 | 500 | logger(ctx, LOG_ERR, "`%s' is not a valid IP address", arg); |
91a44b91 RM |
501 | return -1; |
502 | } | |
2f7cb97c | 503 | if (p != NULL) |
e095a6eb | 504 | *--p = '/'; |
8fc52ced | 505 | else if (net != NULL && addr != NULL) |
e88c525f | 506 | net->s_addr = ipv4_getnetmask(addr->s_addr); |
91a44b91 | 507 | return 0; |
1f4c1525 | 508 | } |
aae24feb | 509 | #else |
1f4c1525 | 510 | static int |
069e2f28 RM |
511 | parse_addr(struct dhcpcd_ctx *ctx, |
512 | __unused struct in_addr *addr, __unused struct in_addr *net, | |
1f4c1525 RM |
513 | __unused const char *arg) |
514 | { | |
515 | ||
069e2f28 | 516 | logger(ctx, LOG_ERR, "No IPv4 support"); |
aae24feb | 517 | return -1; |
91a44b91 | 518 | } |
1f4c1525 | 519 | #endif |
91a44b91 | 520 | |
00ababe4 | 521 | static const char * |
4eb7b489 | 522 | set_option_space(struct dhcpcd_ctx *ctx, |
49b749f0 RM |
523 | const char *arg, |
524 | const struct dhcp_opt **d, size_t *dl, | |
525 | const struct dhcp_opt **od, size_t *odl, | |
d7555c12 | 526 | struct if_options *ifo, |
85bff648 | 527 | uint8_t *request[], uint8_t *require[], uint8_t *no[], uint8_t *reject[]) |
d7555c12 RM |
528 | { |
529 | ||
ca867830 | 530 | #if !defined(INET) && !defined(INET6) |
2be15e88 | 531 | UNUSED(ctx); |
ca867830 RM |
532 | #endif |
533 | ||
aae24feb | 534 | #ifdef INET6 |
2be15e88 RM |
535 | if (strncmp(arg, "nd_", strlen("nd_")) == 0) { |
536 | *d = ctx->nd_opts; | |
537 | *dl = ctx->nd_opts_len; | |
538 | *od = ifo->nd_override; | |
539 | *odl = ifo->nd_override_len; | |
540 | *request = ifo->requestmasknd; | |
541 | *require = ifo->requiremasknd; | |
542 | *no = ifo->nomasknd; | |
543 | *reject = ifo->rejectmasknd; | |
544 | return arg + strlen("nd_"); | |
545 | } | |
546 | ||
d7555c12 | 547 | if (strncmp(arg, "dhcp6_", strlen("dhcp6_")) == 0) { |
4eb7b489 RM |
548 | *d = ctx->dhcp6_opts; |
549 | *dl = ctx->dhcp6_opts_len; | |
49b749f0 RM |
550 | *od = ifo->dhcp6_override; |
551 | *odl = ifo->dhcp6_override_len; | |
d7555c12 RM |
552 | *request = ifo->requestmask6; |
553 | *require = ifo->requiremask6; | |
554 | *no = ifo->nomask6; | |
85bff648 | 555 | *reject = ifo->rejectmask6; |
d7555c12 RM |
556 | return arg + strlen("dhcp6_"); |
557 | } | |
aae24feb RM |
558 | #endif |
559 | ||
560 | #ifdef INET | |
4eb7b489 RM |
561 | *d = ctx->dhcp_opts; |
562 | *dl = ctx->dhcp_opts_len; | |
49b749f0 RM |
563 | *od = ifo->dhcp_override; |
564 | *odl = ifo->dhcp_override_len; | |
aae24feb RM |
565 | #else |
566 | *d = NULL; | |
ae4e592f | 567 | *dl = 0; |
49b749f0 RM |
568 | *od = NULL; |
569 | *odl = 0; | |
aae24feb | 570 | #endif |
d7555c12 RM |
571 | *request = ifo->requestmask; |
572 | *require = ifo->requiremask; | |
573 | *no = ifo->nomask; | |
85bff648 | 574 | *reject = ifo->rejectmask; |
d7555c12 RM |
575 | return arg; |
576 | } | |
577 | ||
1cd05a96 | 578 | void |
8e7d8c37 RM |
579 | free_dhcp_opt_embenc(struct dhcp_opt *opt) |
580 | { | |
581 | size_t i; | |
bc22d277 | 582 | struct dhcp_opt *o; |
8e7d8c37 | 583 | |
bc22d277 | 584 | free(opt->var); |
8e7d8c37 | 585 | |
bc22d277 | 586 | for (i = 0, o = opt->embopts; i < opt->embopts_len; i++, o++) |
e877fba7 | 587 | free_dhcp_opt_embenc(o); |
8e7d8c37 RM |
588 | free(opt->embopts); |
589 | opt->embopts_len = 0; | |
590 | opt->embopts = NULL; | |
591 | ||
bc22d277 | 592 | for (i = 0, o = opt->encopts; i < opt->encopts_len; i++, o++) |
e877fba7 | 593 | free_dhcp_opt_embenc(o); |
8e7d8c37 RM |
594 | free(opt->encopts); |
595 | opt->encopts_len = 0; | |
596 | opt->encopts = NULL; | |
597 | } | |
598 | ||
1cd05a96 RM |
599 | static char * |
600 | strwhite(const char *s) | |
601 | { | |
602 | ||
4dd50184 RM |
603 | if (s == NULL) |
604 | return NULL; | |
1cd05a96 RM |
605 | while (*s != ' ' && *s != '\t') { |
606 | if (*s == '\0') | |
607 | return NULL; | |
608 | s++; | |
609 | } | |
610 | return UNCONST(s); | |
611 | } | |
612 | ||
613 | static char * | |
614 | strskipwhite(const char *s) | |
615 | { | |
616 | ||
4dd50184 RM |
617 | if (s == NULL) |
618 | return NULL; | |
1cd05a96 RM |
619 | while (*s == ' ' || *s == '\t') { |
620 | if (*s == '\0') | |
621 | return NULL; | |
622 | s++; | |
623 | } | |
624 | return UNCONST(s); | |
625 | } | |
626 | ||
c73ed171 RM |
627 | /* Find the end pointer of a string. */ |
628 | static char * | |
629 | strend(const char *s) | |
630 | { | |
631 | ||
632 | s = strskipwhite(s); | |
633 | if (s == NULL) | |
634 | return NULL; | |
635 | if (*s != '"') | |
636 | return strchr(s, ' '); | |
637 | s++; | |
638 | for (; *s != '"' ; s++) { | |
639 | if (*s == '\0') | |
640 | return NULL; | |
641 | if (*s == '\\') { | |
642 | if (*(++s) == '\0') | |
643 | return NULL; | |
644 | } | |
645 | } | |
646 | return UNCONST(++s); | |
647 | } | |
648 | ||
fd05b7dc | 649 | static int |
4eb7b489 RM |
650 | parse_option(struct dhcpcd_ctx *ctx, const char *ifname, struct if_options *ifo, |
651 | int opt, const char *arg, struct dhcp_opt **ldop, struct dhcp_opt **edop) | |
fd05b7dc | 652 | { |
f94b4eab | 653 | int e, i, t; |
a93e79c6 | 654 | long l; |
76bb4d03 | 655 | unsigned long u; |
cc71162d | 656 | char *p = NULL, *bp, *fp, *np, **nconf; |
fd05b7dc | 657 | ssize_t s; |
e095a6eb | 658 | struct in_addr addr, addr2; |
fa245a4d | 659 | in_addr_t *naddr; |
91a44b91 | 660 | struct rt *rt; |
49b749f0 | 661 | const struct dhcp_opt *d, *od; |
85bff648 | 662 | uint8_t *request, *require, *no, *reject; |
8e7d8c37 | 663 | struct dhcp_opt **dop, *ndop; |
49b749f0 | 664 | size_t *dop_len, dl, odl; |
7a911e57 | 665 | struct vivco *vivco; |
c73ed171 | 666 | struct token *token; |
a93e79c6 RM |
667 | struct group *grp; |
668 | #ifdef _REENTRANT | |
a93e79c6 RM |
669 | struct group grpbuf; |
670 | #endif | |
1f4c1525 | 671 | #ifdef INET6 |
1f4c1525 | 672 | size_t sl; |
ebc9d360 RM |
673 | struct if_ia *ia; |
674 | uint8_t iaid[4]; | |
5985c4e2 | 675 | struct if_sla *sla, *slap; |
1f4c1525 | 676 | #endif |
fd05b7dc | 677 | |
8e7d8c37 RM |
678 | dop = NULL; |
679 | dop_len = NULL; | |
7a02120f RM |
680 | #ifdef INET6 |
681 | i = 0; | |
682 | #endif | |
fd05b7dc | 683 | switch(opt) { |
5e2062a4 | 684 | case 'f': /* FALLTHROUGH */ |
6bfd88f1 | 685 | case 'g': /* FALLTHROUGH */ |
da166178 RM |
686 | case 'n': /* FALLTHROUGH */ |
687 | case 'x': /* FALLTHROUGH */ | |
56a66017 | 688 | case 'N': /* FALLTHROUGH */ |
c31b1719 | 689 | case 'P': /* FALLTHROUGH */ |
dc60cba4 | 690 | case 'T': /* FALLTHROUGH */ |
b7f5d1db RM |
691 | case 'U': /* FALLTHROUGH */ |
692 | case 'V': /* We need to handle non interface options */ | |
fd05b7dc | 693 | break; |
03c2c879 RM |
694 | case 'b': |
695 | ifo->options |= DHCPCD_BACKGROUND; | |
696 | break; | |
fd05b7dc | 697 | case 'c': |
1681b126 RM |
698 | free(ifo->script); |
699 | ifo->script = strdup(arg); | |
700 | if (ifo->script == NULL) | |
069e2f28 | 701 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
fd05b7dc | 702 | break; |
acb1cf88 RM |
703 | case 'd': |
704 | ifo->options |= DHCPCD_DEBUG; | |
705 | break; | |
6bfd88f1 | 706 | case 'e': |
069e2f28 | 707 | add_environ(ctx, ifo, arg, 1); |
6bfd88f1 | 708 | break; |
fd05b7dc | 709 | case 'h': |
cc3c3560 RM |
710 | if (!arg) { |
711 | ifo->options |= DHCPCD_HOSTNAME; | |
712 | break; | |
713 | } | |
714 | s = parse_string(ifo->hostname, HOSTNAME_MAX_LEN, arg); | |
715 | if (s == -1) { | |
069e2f28 | 716 | logger(ctx, LOG_ERR, "hostname: %m"); |
cc3c3560 RM |
717 | return -1; |
718 | } | |
719 | if (s != 0 && ifo->hostname[0] == '.') { | |
069e2f28 | 720 | logger(ctx, LOG_ERR, "hostname cannot begin with ."); |
cc3c3560 | 721 | return -1; |
fd05b7dc | 722 | } |
cc3c3560 | 723 | ifo->hostname[s] = '\0'; |
ed913a59 RM |
724 | if (ifo->hostname[0] == '\0') |
725 | ifo->options &= ~DHCPCD_HOSTNAME; | |
726 | else | |
727 | ifo->options |= DHCPCD_HOSTNAME; | |
fd05b7dc RM |
728 | break; |
729 | case 'i': | |
730 | if (arg) | |
731 | s = parse_string((char *)ifo->vendorclassid + 1, | |
eab2229c | 732 | VENDORCLASSID_MAX_LEN, arg); |
fd05b7dc RM |
733 | else |
734 | s = 0; | |
735 | if (s == -1) { | |
069e2f28 | 736 | logger(ctx, LOG_ERR, "vendorclassid: %m"); |
fd05b7dc RM |
737 | return -1; |
738 | } | |
739 | *ifo->vendorclassid = (uint8_t)s; | |
740 | break; | |
069e2f28 RM |
741 | case 'j': |
742 | /* per interface logging is not supported | |
743 | * don't want to overide the commandline */ | |
744 | if (ifname == NULL && ctx->logfile == NULL) { | |
745 | logger_close(ctx); | |
746 | ctx->logfile = strdup(arg); | |
747 | logger_open(ctx); | |
748 | } | |
749 | break; | |
2662d519 RM |
750 | case 'k': |
751 | ifo->options |= DHCPCD_RELEASE; | |
752 | break; | |
fd05b7dc | 753 | case 'l': |
f94b4eab RM |
754 | ifo->leasetime = (uint32_t)strtou(arg, NULL, |
755 | 0, 0, UINT32_MAX, &e); | |
756 | if (e) { | |
069e2f28 | 757 | logger(ctx, LOG_ERR, "failed to convert leasetime %s", arg); |
fd05b7dc RM |
758 | return -1; |
759 | } | |
760 | break; | |
761 | case 'm': | |
f94b4eab RM |
762 | ifo->metric = (int)strtoi(arg, NULL, 0, 0, INT32_MAX, &e); |
763 | if (e) { | |
069e2f28 | 764 | logger(ctx, LOG_ERR, "failed to convert metric %s", arg); |
fd05b7dc RM |
765 | return -1; |
766 | } | |
767 | break; | |
768 | case 'o': | |
49b749f0 | 769 | arg = set_option_space(ctx, arg, &d, &dl, &od, &odl, ifo, |
85bff648 | 770 | &request, &require, &no, &reject); |
49b749f0 | 771 | if (make_option_mask(d, dl, od, odl, request, arg, 1) != 0 || |
85bff648 RM |
772 | make_option_mask(d, dl, od, odl, no, arg, -1) != 0 || |
773 | make_option_mask(d, dl, od, odl, reject, arg, -1) != 0) | |
774 | { | |
069e2f28 | 775 | logger(ctx, LOG_ERR, "unknown option `%s'", arg); |
85bff648 RM |
776 | return -1; |
777 | } | |
778 | break; | |
779 | case O_REJECT: | |
780 | arg = set_option_space(ctx, arg, &d, &dl, &od, &odl, ifo, | |
781 | &request, &require, &no, &reject); | |
782 | if (make_option_mask(d, dl, od, odl, reject, arg, 1) != 0 || | |
783 | make_option_mask(d, dl, od, odl, request, arg, -1) != 0 || | |
784 | make_option_mask(d, dl, od, odl, require, arg, -1) != 0) | |
ee56a47d | 785 | { |
069e2f28 | 786 | logger(ctx, LOG_ERR, "unknown option `%s'", arg); |
fd05b7dc RM |
787 | return -1; |
788 | } | |
789 | break; | |
790 | case 'p': | |
791 | ifo->options |= DHCPCD_PERSISTENT; | |
792 | break; | |
03c2c879 RM |
793 | case 'q': |
794 | ifo->options |= DHCPCD_QUIET; | |
795 | break; | |
2f7cb97c | 796 | case 'r': |
069e2f28 | 797 | if (parse_addr(ctx, &ifo->req_addr, NULL, arg) != 0) |
2f7cb97c | 798 | return -1; |
5b39d8f5 | 799 | ifo->options |= DHCPCD_REQUEST; |
2f7cb97c RM |
800 | ifo->req_mask.s_addr = 0; |
801 | break; | |
fd05b7dc | 802 | case 's': |
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 | 811 | ifo->options |= DHCPCD_INFORM | DHCPCD_PERSISTENT; |
10e16029 | 812 | ifo->options &= ~DHCPCD_STATIC; |
91a44b91 | 813 | break; |
567a2357 RM |
814 | case O_INFORM6: |
815 | ifo->options |= DHCPCD_INFORM6; | |
816 | break; | |
fd05b7dc | 817 | case 't': |
f94b4eab RM |
818 | ifo->timeout = (time_t)strtoi(arg, NULL, 0, 0, INT32_MAX, &e); |
819 | if (e) { | |
069e2f28 | 820 | logger(ctx, LOG_ERR, "failed to convert timeout"); |
fd05b7dc RM |
821 | return -1; |
822 | } | |
823 | break; | |
824 | case 'u': | |
825 | s = USERCLASS_MAX_LEN - ifo->userclass[0] - 1; | |
eab2229c | 826 | s = parse_string((char *)ifo->userclass + |
34457fe6 | 827 | ifo->userclass[0] + 2, (size_t)s, arg); |
fd05b7dc | 828 | if (s == -1) { |
069e2f28 | 829 | logger(ctx, LOG_ERR, "userclass: %m"); |
fd05b7dc RM |
830 | return -1; |
831 | } | |
832 | if (s != 0) { | |
34457fe6 | 833 | ifo->userclass[ifo->userclass[0] + 1] = (uint8_t)s; |
d7a4dcf9 | 834 | ifo->userclass[0] = (uint8_t)(ifo->userclass[0] + s +1); |
fd05b7dc RM |
835 | } |
836 | break; | |
837 | case 'v': | |
838 | p = strchr(arg, ','); | |
839 | if (!p || !p[1]) { | |
069e2f28 | 840 | logger(ctx, LOG_ERR, "invalid vendor format: %s", arg); |
fd05b7dc RM |
841 | return -1; |
842 | } | |
95d6dcfa RM |
843 | |
844 | /* If vendor starts with , then it is not encapsulated */ | |
845 | if (p == arg) { | |
846 | arg++; | |
847 | s = parse_string((char *)ifo->vendor + 1, | |
848 | VENDOR_MAX_LEN, arg); | |
849 | if (s == -1) { | |
069e2f28 | 850 | logger(ctx, LOG_ERR, "vendor: %m"); |
95d6dcfa RM |
851 | return -1; |
852 | } | |
853 | ifo->vendor[0] = (uint8_t)s; | |
854 | ifo->options |= DHCPCD_VENDORRAW; | |
855 | break; | |
856 | } | |
857 | ||
858 | /* Encapsulated vendor options */ | |
859 | if (ifo->options & DHCPCD_VENDORRAW) { | |
860 | ifo->options &= ~DHCPCD_VENDORRAW; | |
861 | ifo->vendor[0] = 0; | |
862 | } | |
863 | ||
d7a4dcf9 RM |
864 | /* Strip and preserve the comma */ |
865 | *p = '\0'; | |
f94b4eab | 866 | i = (int)strtoi(arg, NULL, 0, 1, 254, &e); |
d7a4dcf9 | 867 | *p = ','; |
f94b4eab | 868 | if (e) { |
069e2f28 | 869 | logger(ctx, LOG_ERR, "vendor option should be between" |
eab2229c | 870 | " 1 and 254 inclusive"); |
fd05b7dc RM |
871 | return -1; |
872 | } | |
b357d09f RM |
873 | |
874 | arg = p + 1; | |
fd05b7dc RM |
875 | s = VENDOR_MAX_LEN - ifo->vendor[0] - 2; |
876 | if (inet_aton(arg, &addr) == 1) { | |
877 | if (s < 6) { | |
878 | s = -1; | |
879 | errno = ENOBUFS; | |
aeddc61a | 880 | } else { |
fd05b7dc | 881 | memcpy(ifo->vendor + ifo->vendor[0] + 3, |
eab2229c | 882 | &addr.s_addr, sizeof(addr.s_addr)); |
aeddc61a RM |
883 | s = sizeof(addr.s_addr); |
884 | } | |
fd05b7dc | 885 | } else { |
eab2229c | 886 | s = parse_string((char *)ifo->vendor + |
34457fe6 | 887 | ifo->vendor[0] + 3, (size_t)s, arg); |
fd05b7dc RM |
888 | } |
889 | if (s == -1) { | |
069e2f28 | 890 | logger(ctx, LOG_ERR, "vendor: %m"); |
fd05b7dc RM |
891 | return -1; |
892 | } | |
893 | if (s != 0) { | |
34457fe6 RM |
894 | ifo->vendor[ifo->vendor[0] + 1] = (uint8_t)i; |
895 | ifo->vendor[ifo->vendor[0] + 2] = (uint8_t)s; | |
d7a4dcf9 | 896 | ifo->vendor[0] = (uint8_t)(ifo->vendor[0] + s + 2); |
fd05b7dc RM |
897 | } |
898 | break; | |
2a07a2af RM |
899 | case 'w': |
900 | ifo->options |= DHCPCD_WAITIP; | |
7013b073 RM |
901 | if (arg != NULL && arg[0] != '\0') { |
902 | if (arg[0] == '4' || arg[1] == '4') | |
903 | ifo->options |= DHCPCD_WAITIP4; | |
904 | if (arg[0] == '6' || arg[1] == '6') | |
905 | ifo->options |= DHCPCD_WAITIP6; | |
906 | } | |
2a07a2af | 907 | break; |
a2a9a498 | 908 | case 'y': |
f94b4eab RM |
909 | ifo->reboot = (time_t)strtoi(arg, NULL, 0, 0, UINT32_MAX, &e); |
910 | if (e) { | |
069e2f28 | 911 | logger(ctx, LOG_ERR, "failed to convert reboot %s", arg); |
a2a9a498 RM |
912 | return -1; |
913 | } | |
914 | break; | |
d3088c74 | 915 | case 'z': |
4eb7b489 | 916 | if (ifname == NULL) |
069e2f28 | 917 | ctx->ifav = splitv(ctx, &ctx->ifac, ctx->ifav, arg); |
d3088c74 | 918 | break; |
fd05b7dc RM |
919 | case 'A': |
920 | ifo->options &= ~DHCPCD_ARP; | |
921 | /* IPv4LL requires ARP */ | |
922 | ifo->options &= ~DHCPCD_IPV4LL; | |
923 | break; | |
03c2c879 RM |
924 | case 'B': |
925 | ifo->options &= ~DHCPCD_DAEMONISE; | |
926 | break; | |
fd05b7dc RM |
927 | case 'C': |
928 | /* Commas to spaces for shell */ | |
929 | while ((p = strchr(arg, ','))) | |
930 | *p = ' '; | |
34457fe6 RM |
931 | dl = strlen("skip_hooks=") + strlen(arg) + 1; |
932 | p = malloc(sizeof(char) * dl); | |
28382337 | 933 | if (p == NULL) { |
069e2f28 | 934 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
28382337 RM |
935 | return -1; |
936 | } | |
34457fe6 | 937 | snprintf(p, dl, "skip_hooks=%s", arg); |
069e2f28 | 938 | add_environ(ctx, ifo, p, 0); |
fd05b7dc RM |
939 | free(p); |
940 | break; | |
941 | case 'D': | |
c989b023 | 942 | ifo->options |= DHCPCD_CLIENTID | DHCPCD_DUID; |
fd05b7dc RM |
943 | break; |
944 | case 'E': | |
945 | ifo->options |= DHCPCD_LASTLEASE; | |
946 | break; | |
947 | case 'F': | |
948 | if (!arg) { | |
949 | ifo->fqdn = FQDN_BOTH; | |
950 | break; | |
951 | } | |
952 | if (strcmp(arg, "none") == 0) | |
953 | ifo->fqdn = FQDN_NONE; | |
954 | else if (strcmp(arg, "ptr") == 0) | |
955 | ifo->fqdn = FQDN_PTR; | |
956 | else if (strcmp(arg, "both") == 0) | |
957 | ifo->fqdn = FQDN_BOTH; | |
958 | else if (strcmp(arg, "disable") == 0) | |
959 | ifo->fqdn = FQDN_DISABLE; | |
960 | else { | |
069e2f28 | 961 | logger(ctx, LOG_ERR, "invalid value `%s' for FQDN", arg); |
fd05b7dc RM |
962 | return -1; |
963 | } | |
964 | break; | |
965 | case 'G': | |
966 | ifo->options &= ~DHCPCD_GATEWAY; | |
967 | break; | |
4242c9b3 RM |
968 | case 'H': |
969 | ifo->options |= DHCPCD_XID_HWADDR; | |
970 | break; | |
fd05b7dc RM |
971 | case 'I': |
972 | /* Strings have a type of 0 */; | |
973 | ifo->clientid[1] = 0; | |
974 | if (arg) | |
975 | s = parse_string_hwaddr((char *)ifo->clientid + 1, | |
eab2229c | 976 | CLIENTID_MAX_LEN, arg, 1); |
fd05b7dc RM |
977 | else |
978 | s = 0; | |
979 | if (s == -1) { | |
069e2f28 | 980 | logger(ctx, LOG_ERR, "clientid: %m"); |
fd05b7dc RM |
981 | return -1; |
982 | } | |
c989b023 | 983 | ifo->options |= DHCPCD_CLIENTID; |
fd05b7dc | 984 | ifo->clientid[0] = (uint8_t)s; |
fd05b7dc | 985 | break; |
900b3da4 RM |
986 | case 'J': |
987 | ifo->options |= DHCPCD_BROADCAST; | |
988 | break; | |
fd05b7dc RM |
989 | case 'K': |
990 | ifo->options &= ~DHCPCD_LINK; | |
991 | break; | |
992 | case 'L': | |
993 | ifo->options &= ~DHCPCD_IPV4LL; | |
994 | break; | |
b3174181 RM |
995 | case 'M': |
996 | ifo->options |= DHCPCD_MASTER; | |
997 | break; | |
fd05b7dc | 998 | case 'O': |
49b749f0 | 999 | arg = set_option_space(ctx, arg, &d, &dl, &od, &odl, ifo, |
85bff648 | 1000 | &request, &require, &no, &reject); |
49b749f0 RM |
1001 | if (make_option_mask(d, dl, od, odl, request, arg, -1) != 0 || |
1002 | make_option_mask(d, dl, od, odl, require, arg, -1) != 0 || | |
1003 | make_option_mask(d, dl, od, odl, no, arg, 1) != 0) | |
fd05b7dc | 1004 | { |
069e2f28 | 1005 | logger(ctx, LOG_ERR, "unknown option `%s'", arg); |
fd05b7dc RM |
1006 | return -1; |
1007 | } | |
1008 | break; | |
1009 | case 'Q': | |
49b749f0 | 1010 | arg = set_option_space(ctx, arg, &d, &dl, &od, &odl, ifo, |
85bff648 | 1011 | &request, &require, &no, &reject); |
49b749f0 RM |
1012 | if (make_option_mask(d, dl, od, odl, require, arg, 1) != 0 || |
1013 | make_option_mask(d, dl, od, odl, request, arg, 1) != 0 || | |
85bff648 RM |
1014 | make_option_mask(d, dl, od, odl, no, arg, -1) != 0 || |
1015 | make_option_mask(d, dl, od, odl, reject, arg, -1) != 0) | |
fd05b7dc | 1016 | { |
069e2f28 | 1017 | logger(ctx, LOG_ERR, "unknown option `%s'", arg); |
fd05b7dc RM |
1018 | return -1; |
1019 | } | |
1020 | break; | |
91a44b91 RM |
1021 | case 'S': |
1022 | p = strchr(arg, '='); | |
1023 | if (p == NULL) { | |
069e2f28 | 1024 | logger(ctx, LOG_ERR, "static assignment required"); |
91a44b91 RM |
1025 | return -1; |
1026 | } | |
1027 | p++; | |
1028 | if (strncmp(arg, "ip_address=", strlen("ip_address=")) == 0) { | |
069e2f28 | 1029 | if (parse_addr(ctx, &ifo->req_addr, |
776961cf RM |
1030 | ifo->req_mask.s_addr == 0 ? &ifo->req_mask : NULL, |
1031 | p) != 0) | |
91a44b91 RM |
1032 | return -1; |
1033 | ||
1034 | ifo->options |= DHCPCD_STATIC; | |
fa8b2a7a | 1035 | ifo->options &= ~DHCPCD_INFORM; |
069e2f28 RM |
1036 | } else if (strncmp(arg, "subnet_mask=", |
1037 | strlen("subnet_mask=")) == 0) | |
1038 | { | |
1039 | if (parse_addr(ctx, &ifo->req_mask, NULL, p) != 0) | |
776961cf | 1040 | return -1; |
91a44b91 | 1041 | } else if (strncmp(arg, "routes=", strlen("routes=")) == 0 || |
069e2f28 RM |
1042 | strncmp(arg, "static_routes=", |
1043 | strlen("static_routes=")) == 0 || | |
1044 | strncmp(arg, "classless_static_routes=", | |
1045 | strlen("classless_static_routes=")) == 0 || | |
1046 | strncmp(arg, "ms_classless_static_routes=", | |
1047 | strlen("ms_classless_static_routes=")) == 0) | |
91a44b91 | 1048 | { |
1cd05a96 | 1049 | fp = np = strwhite(p); |
91a44b91 | 1050 | if (np == NULL) { |
069e2f28 RM |
1051 | logger(ctx, LOG_ERR, |
1052 | "all routes need a gateway"); | |
91a44b91 RM |
1053 | return -1; |
1054 | } | |
1055 | *np++ = '\0'; | |
1cd05a96 | 1056 | np = strskipwhite(np); |
91a44b91 | 1057 | if (ifo->routes == NULL) { |
4c9c4b3e RM |
1058 | ifo->routes = malloc(sizeof(*ifo->routes)); |
1059 | if (ifo->routes == NULL) { | |
069e2f28 RM |
1060 | logger(ctx, LOG_ERR, |
1061 | "%s: %m", __func__); | |
10e17e3f RM |
1062 | return -1; |
1063 | } | |
673e81e5 | 1064 | TAILQ_INIT(ifo->routes); |
4c9c4b3e | 1065 | } |
9ec2a63b | 1066 | rt = calloc(1, sizeof(*rt)); |
4c9c4b3e | 1067 | if (rt == NULL) { |
069e2f28 | 1068 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
4c9c4b3e RM |
1069 | *fp = ' '; |
1070 | return -1; | |
91a44b91 | 1071 | } |
069e2f28 RM |
1072 | if (parse_addr(ctx, &rt->dest, &rt->net, p) == -1 || |
1073 | parse_addr(ctx, &rt->gate, NULL, np) == -1) | |
332a5fe6 | 1074 | { |
4c9c4b3e | 1075 | free(rt); |
332a5fe6 | 1076 | *fp = ' '; |
91a44b91 | 1077 | return -1; |
332a5fe6 | 1078 | } |
4c9c4b3e | 1079 | TAILQ_INSERT_TAIL(ifo->routes, rt, next); |
332a5fe6 | 1080 | *fp = ' '; |
91a44b91 RM |
1081 | } else if (strncmp(arg, "routers=", strlen("routers=")) == 0) { |
1082 | if (ifo->routes == NULL) { | |
4c9c4b3e RM |
1083 | ifo->routes = malloc(sizeof(*ifo->routes)); |
1084 | if (ifo->routes == NULL) { | |
069e2f28 RM |
1085 | logger(ctx, LOG_ERR, |
1086 | "%s: %m", __func__); | |
10e17e3f RM |
1087 | return -1; |
1088 | } | |
00ababe4 | 1089 | TAILQ_INIT(ifo->routes); |
4c9c4b3e | 1090 | } |
9ec2a63b | 1091 | rt = calloc(1, sizeof(*rt)); |
4c9c4b3e | 1092 | if (rt == NULL) { |
069e2f28 | 1093 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
4c9c4b3e | 1094 | return -1; |
91a44b91 | 1095 | } |
1abffd5b RM |
1096 | rt->dest.s_addr = INADDR_ANY; |
1097 | rt->net.s_addr = INADDR_ANY; | |
069e2f28 | 1098 | if (parse_addr(ctx, &rt->gate, NULL, p) == -1) { |
4c9c4b3e | 1099 | free(rt); |
91a44b91 | 1100 | return -1; |
4c9c4b3e RM |
1101 | } |
1102 | TAILQ_INSERT_TAIL(ifo->routes, rt, next); | |
afcd7cbd RM |
1103 | } else if (strncmp(arg, "interface_mtu=", |
1104 | strlen("interface_mtu=")) == 0 || | |
1105 | strncmp(arg, "mtu=", strlen("mtu=")) == 0) | |
1106 | { | |
1107 | ifo->mtu = (unsigned int)strtou(p, NULL, 0, | |
1108 | MTU_MIN, MTU_MAX, &e); | |
1109 | if (e) { | |
1110 | logger(ctx, LOG_ERR, "invalid MTU %s", p); | |
1111 | return -1; | |
1112 | } | |
91a44b91 | 1113 | } else { |
34457fe6 | 1114 | dl = 0; |
91a44b91 | 1115 | if (ifo->config != NULL) { |
34457fe6 RM |
1116 | while (ifo->config[dl] != NULL) { |
1117 | if (strncmp(ifo->config[dl], arg, | |
1118 | (size_t)(p - arg)) == 0) | |
eab2229c | 1119 | { |
78369646 RM |
1120 | p = strdup(arg); |
1121 | if (p == NULL) { | |
069e2f28 | 1122 | logger(ctx, LOG_ERR, |
78369646 RM |
1123 | "%s: %m", __func__); |
1124 | return -1; | |
1125 | } | |
34457fe6 RM |
1126 | free(ifo->config[dl]); |
1127 | ifo->config[dl] = p; | |
91a44b91 RM |
1128 | return 1; |
1129 | } | |
34457fe6 | 1130 | dl++; |
91a44b91 RM |
1131 | } |
1132 | } | |
78369646 | 1133 | p = strdup(arg); |
fa245a4d | 1134 | if (p == NULL) { |
069e2f28 | 1135 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
fa245a4d RM |
1136 | return -1; |
1137 | } | |
34457fe6 | 1138 | nconf = realloc(ifo->config, sizeof(char *) * (dl + 2)); |
78369646 | 1139 | if (nconf == NULL) { |
069e2f28 | 1140 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
78369646 RM |
1141 | return -1; |
1142 | } | |
fa245a4d | 1143 | ifo->config = nconf; |
34457fe6 RM |
1144 | ifo->config[dl] = p; |
1145 | ifo->config[dl + 1] = NULL; | |
91a44b91 RM |
1146 | } |
1147 | break; | |
bf80d526 | 1148 | case 'W': |
069e2f28 | 1149 | if (parse_addr(ctx, &addr, &addr2, arg) != 0) |
bf80d526 RM |
1150 | return -1; |
1151 | if (strchr(arg, '/') == NULL) | |
1152 | addr2.s_addr = INADDR_BROADCAST; | |
fa245a4d | 1153 | naddr = realloc(ifo->whitelist, |
bf80d526 | 1154 | sizeof(in_addr_t) * (ifo->whitelist_len + 2)); |
fa245a4d | 1155 | if (naddr == NULL) { |
069e2f28 | 1156 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
fa245a4d RM |
1157 | return -1; |
1158 | } | |
1159 | ifo->whitelist = naddr; | |
bf80d526 RM |
1160 | ifo->whitelist[ifo->whitelist_len++] = addr.s_addr; |
1161 | ifo->whitelist[ifo->whitelist_len++] = addr2.s_addr; | |
1162 | break; | |
fd05b7dc | 1163 | case 'X': |
069e2f28 | 1164 | if (parse_addr(ctx, &addr, &addr2, arg) != 0) |
fd05b7dc | 1165 | return -1; |
ce6b39df RM |
1166 | if (strchr(arg, '/') == NULL) |
1167 | addr2.s_addr = INADDR_BROADCAST; | |
fa245a4d | 1168 | naddr = realloc(ifo->blacklist, |
e095a6eb | 1169 | sizeof(in_addr_t) * (ifo->blacklist_len + 2)); |
fa245a4d | 1170 | if (naddr == NULL) { |
069e2f28 | 1171 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
fa245a4d RM |
1172 | return -1; |
1173 | } | |
1174 | ifo->blacklist = naddr; | |
e095a6eb RM |
1175 | ifo->blacklist[ifo->blacklist_len++] = addr.s_addr; |
1176 | ifo->blacklist[ifo->blacklist_len++] = addr2.s_addr; | |
fd05b7dc | 1177 | break; |
d3088c74 | 1178 | case 'Z': |
4eb7b489 | 1179 | if (ifname == NULL) |
069e2f28 | 1180 | ctx->ifdv = splitv(ctx, &ctx->ifdc, ctx->ifdv, arg); |
d3088c74 | 1181 | break; |
df574999 RM |
1182 | case '1': |
1183 | ifo->options |= DHCPCD_ONESHOT; | |
1184 | break; | |
d7555c12 | 1185 | case '4': |
2f0addfd | 1186 | ifo->options &= ~DHCPCD_IPV6; |
d7555c12 RM |
1187 | ifo->options |= DHCPCD_IPV4; |
1188 | break; | |
1189 | case '6': | |
1190 | ifo->options &= ~DHCPCD_IPV4; | |
2f0addfd | 1191 | ifo->options |= DHCPCD_IPV6; |
d7555c12 | 1192 | break; |
94bec972 RM |
1193 | case O_IPV4: |
1194 | ifo->options |= DHCPCD_IPV4; | |
1195 | break; | |
bb8051bf RM |
1196 | case O_NOIPV4: |
1197 | ifo->options &= ~DHCPCD_IPV4; | |
1198 | break; | |
94bec972 RM |
1199 | case O_IPV6: |
1200 | ifo->options |= DHCPCD_IPV6; | |
1201 | break; | |
bb8051bf RM |
1202 | case O_NOIPV6: |
1203 | ifo->options &= ~DHCPCD_IPV6; | |
1204 | break; | |
aae24feb | 1205 | #ifdef INET |
4ca7460f | 1206 | case O_ARPING: |
48ac077b RM |
1207 | while (arg && *arg != '\0') { |
1208 | fp = strwhite(arg); | |
1209 | if (fp) | |
1210 | *fp++ = '\0'; | |
069e2f28 | 1211 | if (parse_addr(ctx, &addr, NULL, arg) != 0) |
48ac077b RM |
1212 | return -1; |
1213 | naddr = realloc(ifo->arping, | |
1214 | sizeof(in_addr_t) * (ifo->arping_len + 1)); | |
1215 | if (naddr == NULL) { | |
069e2f28 | 1216 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
48ac077b RM |
1217 | return -1; |
1218 | } | |
1219 | ifo->arping = naddr; | |
1220 | ifo->arping[ifo->arping_len++] = addr.s_addr; | |
4dd50184 | 1221 | arg = strskipwhite(fp); |
fa245a4d | 1222 | } |
4ca7460f | 1223 | break; |
41c60e02 | 1224 | case O_DESTINATION: |
49b749f0 | 1225 | arg = set_option_space(ctx, arg, &d, &dl, &od, &odl, ifo, |
85bff648 | 1226 | &request, &require, &no, &reject); |
49b749f0 RM |
1227 | if (make_option_mask(d, dl, od, odl, |
1228 | ifo->dstmask, arg, 2) != 0) | |
1229 | { | |
41c60e02 | 1230 | if (errno == EINVAL) |
069e2f28 | 1231 | logger(ctx, LOG_ERR, "option `%s' does not take" |
41c60e02 RM |
1232 | " an IPv4 address", arg); |
1233 | else | |
069e2f28 | 1234 | logger(ctx, LOG_ERR, "unknown option `%s'", arg); |
41c60e02 RM |
1235 | return -1; |
1236 | } | |
1237 | break; | |
ff021b0b RM |
1238 | case O_FALLBACK: |
1239 | free(ifo->fallback); | |
78369646 RM |
1240 | ifo->fallback = strdup(arg); |
1241 | if (ifo->fallback == NULL) { | |
069e2f28 | 1242 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
00ababe4 | 1243 | return -1; |
78369646 | 1244 | } |
ff021b0b | 1245 | break; |
aae24feb | 1246 | #endif |
ebc9d360 | 1247 | case O_IAID: |
9ff636a5 | 1248 | if (ifname == NULL) { |
069e2f28 | 1249 | logger(ctx, LOG_ERR, |
9ff636a5 RM |
1250 | "IAID must belong in an interface block"); |
1251 | return -1; | |
1252 | } | |
069e2f28 RM |
1253 | if (parse_iaid(ifo->iaid, arg, sizeof(ifo->iaid)) == -1) { |
1254 | logger(ctx, LOG_ERR, "invalid IAID %s", arg); | |
ebc9d360 | 1255 | return -1; |
069e2f28 | 1256 | } |
ebc9d360 | 1257 | ifo->options |= DHCPCD_IAID; |
563a421c | 1258 | break; |
eebe9a18 RM |
1259 | case O_IPV6RS: |
1260 | ifo->options |= DHCPCD_IPV6RS; | |
1261 | break; | |
91cd7324 | 1262 | case O_NOIPV6RS: |
61dd6cf9 RM |
1263 | ifo->options &= ~DHCPCD_IPV6RS; |
1264 | break; | |
eebe9a18 | 1265 | case O_IPV6RA_FORK: |
61dd6cf9 | 1266 | ifo->options &= ~DHCPCD_IPV6RA_REQRDNSS; |
91cd7324 | 1267 | break; |
eebe9a18 RM |
1268 | case O_IPV6RA_OWN: |
1269 | ifo->options |= DHCPCD_IPV6RA_OWN; | |
1270 | break; | |
1271 | case O_IPV6RA_OWN_D: | |
1272 | ifo->options |= DHCPCD_IPV6RA_OWN_DEFAULT; | |
1273 | break; | |
4f0240bf RM |
1274 | case O_IPV6RA_ACCEPT_NOPUBLIC: |
1275 | ifo->options |= DHCPCD_IPV6RA_ACCEPT_NOPUBLIC; | |
a8e5259b | 1276 | break; |
62f12387 RM |
1277 | case O_IPV6RA_AUTOCONF: |
1278 | ifo->options |= DHCPCD_IPV6RA_AUTOCONF; | |
1279 | break; | |
1280 | case O_IPV6RA_NOAUTOCONF: | |
1281 | ifo->options &= ~DHCPCD_IPV6RA_AUTOCONF; | |
1282 | break; | |
7dab081f RM |
1283 | case O_NOALIAS: |
1284 | ifo->options |= DHCPCD_NOALIAS; | |
1285 | break; | |
00ababe4 RM |
1286 | #ifdef INET6 |
1287 | case O_IA_NA: | |
1288 | i = D6_OPTION_IA_NA; | |
1289 | /* FALLTHROUGH */ | |
1290 | case O_IA_TA: | |
1291 | if (i == 0) | |
1292 | i = D6_OPTION_IA_TA; | |
1293 | /* FALLTHROUGH */ | |
1294 | case O_IA_PD: | |
9ff636a5 RM |
1295 | if (i == 0) { |
1296 | if (ifname == NULL) { | |
069e2f28 | 1297 | logger(ctx, LOG_ERR, |
9ff636a5 RM |
1298 | "IA PD must belong in an interface block"); |
1299 | return -1; | |
1300 | } | |
00ababe4 | 1301 | i = D6_OPTION_IA_PD; |
9ff636a5 | 1302 | } |
b0ca9ae9 | 1303 | if (ifname == NULL && arg) { |
069e2f28 | 1304 | logger(ctx, LOG_ERR, |
9ff636a5 RM |
1305 | "IA with IAID must belong in an interface block"); |
1306 | return -1; | |
1307 | } | |
00ababe4 | 1308 | ifo->options |= DHCPCD_IA_FORCED; |
52bcdc34 RM |
1309 | fp = strwhite(arg); |
1310 | if (fp) { | |
1311 | *fp++ = '\0'; | |
1312 | fp = strskipwhite(fp); | |
1313 | } | |
b0ca9ae9 | 1314 | if (arg) { |
b0ca9ae9 RM |
1315 | p = strchr(arg, '/'); |
1316 | if (p) | |
1317 | *p++ = '\0'; | |
069e2f28 RM |
1318 | if (parse_iaid(iaid, arg, sizeof(iaid)) == -1) { |
1319 | logger(ctx, LOG_ERR, "invalid IAID: %s", arg); | |
b0ca9ae9 | 1320 | return -1; |
069e2f28 | 1321 | } |
52bcdc34 | 1322 | } |
ebc9d360 RM |
1323 | ia = NULL; |
1324 | for (sl = 0; sl < ifo->ia_len; sl++) { | |
52bcdc34 | 1325 | if ((arg == NULL && !ifo->ia[sl].iaid_set) || |
8371b540 RM |
1326 | (ifo->ia[sl].iaid_set && |
1327 | ifo->ia[sl].iaid[0] == iaid[0] && | |
ebc9d360 RM |
1328 | ifo->ia[sl].iaid[1] == iaid[1] && |
1329 | ifo->ia[sl].iaid[2] == iaid[2] && | |
b0ca9ae9 | 1330 | ifo->ia[sl].iaid[3] == iaid[3])) |
00ababe4 | 1331 | { |
ebc9d360 | 1332 | ia = &ifo->ia[sl]; |
00ababe4 RM |
1333 | break; |
1334 | } | |
1335 | } | |
b0ca9ae9 | 1336 | if (ia && ia->ia_type != (uint16_t)i) { |
069e2f28 | 1337 | logger(ctx, LOG_ERR, "Cannot mix IA for the same IAID"); |
b0ca9ae9 RM |
1338 | break; |
1339 | } | |
ebc9d360 RM |
1340 | if (ia == NULL) { |
1341 | ia = realloc(ifo->ia, | |
1342 | sizeof(*ifo->ia) * (ifo->ia_len + 1)); | |
1343 | if (ia == NULL) { | |
069e2f28 | 1344 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
00ababe4 RM |
1345 | return -1; |
1346 | } | |
ebc9d360 RM |
1347 | ifo->ia = ia; |
1348 | ia = &ifo->ia[ifo->ia_len++]; | |
b0ca9ae9 | 1349 | ia->ia_type = (uint16_t)i; |
52bcdc34 | 1350 | if (arg) { |
b0ca9ae9 RM |
1351 | ia->iaid[0] = iaid[0]; |
1352 | ia->iaid[1] = iaid[1]; | |
1353 | ia->iaid[2] = iaid[2]; | |
1354 | ia->iaid[3] = iaid[3]; | |
1355 | ia->iaid_set = 1; | |
1356 | } else | |
1357 | ia->iaid_set = 0; | |
1358 | if (!ia->iaid_set || | |
1359 | p == NULL || | |
1360 | ia->ia_type == D6_OPTION_IA_TA) | |
1361 | { | |
4f94ed51 RM |
1362 | memset(&ia->addr, 0, sizeof(ia->addr)); |
1363 | ia->prefix_len = 0; | |
1364 | } else { | |
1365 | arg = p; | |
1366 | p = strchr(arg, '/'); | |
1367 | if (p) | |
1368 | *p++ = '\0'; | |
1369 | if (inet_pton(AF_INET6, arg, &ia->addr) == -1) { | |
069e2f28 | 1370 | logger(ctx, LOG_ERR, "%s: %m", arg); |
4f94ed51 RM |
1371 | memset(&ia->addr, 0, sizeof(ia->addr)); |
1372 | } | |
b0ca9ae9 | 1373 | if (p && ia->ia_type == D6_OPTION_IA_PD) { |
40095c80 RM |
1374 | ia->prefix_len = (uint8_t)strtou(p, |
1375 | NULL, 0, 8, 120, &e); | |
f94b4eab | 1376 | if (e) { |
069e2f28 | 1377 | logger(ctx, LOG_ERR, |
f94b4eab RM |
1378 | "%s: failed to convert" |
1379 | " prefix len", | |
1380 | p); | |
4f94ed51 | 1381 | ia->prefix_len = 0; |
40095c80 | 1382 | } |
4f94ed51 RM |
1383 | } |
1384 | } | |
e69793ff | 1385 | ia->sla_max = 0; |
ebc9d360 | 1386 | ia->sla_len = 0; |
4f94ed51 | 1387 | ia->sla = NULL; |
00ababe4 | 1388 | } |
b0ca9ae9 | 1389 | if (ia->ia_type != D6_OPTION_IA_PD) |
7cece083 | 1390 | break; |
00ababe4 | 1391 | for (p = fp; p; p = fp) { |
1cd05a96 RM |
1392 | fp = strwhite(p); |
1393 | if (fp) { | |
00ababe4 | 1394 | *fp++ = '\0'; |
1cd05a96 RM |
1395 | fp = strskipwhite(fp); |
1396 | } | |
ebc9d360 RM |
1397 | sla = realloc(ia->sla, |
1398 | sizeof(*ia->sla) * (ia->sla_len + 1)); | |
00ababe4 | 1399 | if (sla == NULL) { |
069e2f28 | 1400 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
00ababe4 RM |
1401 | return -1; |
1402 | } | |
ebc9d360 RM |
1403 | ia->sla = sla; |
1404 | sla = &ia->sla[ia->sla_len++]; | |
00ababe4 RM |
1405 | np = strchr(p, '/'); |
1406 | if (np) | |
1407 | *np++ = '\0'; | |
00ababe4 RM |
1408 | if (strlcpy(sla->ifname, p, |
1409 | sizeof(sla->ifname)) >= sizeof(sla->ifname)) | |
1410 | { | |
fda2c663 RM |
1411 | logger(ctx, LOG_ERR, |
1412 | "%s: interface name too long", arg); | |
94a79cea | 1413 | goto err_sla; |
00ababe4 | 1414 | } |
fda2c663 RM |
1415 | sla->sla_set = 0; |
1416 | sla->prefix_len = 0; | |
1417 | sla->suffix = 1; | |
00ababe4 | 1418 | p = np; |
367f7b11 RM |
1419 | if (p) { |
1420 | np = strchr(p, '/'); | |
1421 | if (np) | |
1422 | *np++ = '\0'; | |
fda2c663 | 1423 | if (*p != '\0') { |
f94b4eab RM |
1424 | sla->sla = (uint32_t)strtou(p, NULL, |
1425 | 0, 0, UINT32_MAX, &e); | |
1426 | sla->sla_set = 1; | |
1427 | if (e) { | |
069e2f28 | 1428 | logger(ctx, LOG_ERR, |
f94b4eab RM |
1429 | "%s: failed to convert sla", |
1430 | ifname); | |
34457fe6 | 1431 | goto err_sla; |
f94b4eab | 1432 | } |
83919266 | 1433 | } |
fda2c663 RM |
1434 | p = np; |
1435 | } | |
1436 | if (p) { | |
1437 | np = strchr(p, '/'); | |
1438 | if (np) | |
1439 | *np++ = '\0'; | |
1440 | if (*p != '\0') { | |
40095c80 | 1441 | sla->prefix_len = (uint8_t)strtou(np, |
fda2c663 | 1442 | NULL, 0, 0, 120, &e); |
f94b4eab | 1443 | if (e) { |
fda2c663 RM |
1444 | logger(ctx, LOG_ERR, |
1445 | "%s: failed to " | |
f94b4eab RM |
1446 | "convert prefix len", |
1447 | ifname); | |
94a79cea | 1448 | goto err_sla; |
f94b4eab | 1449 | } |
fda2c663 RM |
1450 | } |
1451 | p = np; | |
1452 | } | |
1453 | if (p) { | |
1454 | np = strchr(p, '/'); | |
1455 | if (np) | |
1456 | *np = '\0'; | |
1457 | if (*p != '\0') { | |
1458 | sla->suffix = (uint64_t)strtou(p, NULL, | |
1459 | 0, 0, UINT64_MAX, &e); | |
1460 | if (e) { | |
1461 | logger(ctx, LOG_ERR, | |
1462 | "%s: failed to " | |
1463 | "convert suffix", | |
1464 | ifname); | |
1465 | goto err_sla; | |
1466 | } | |
1467 | } | |
e69793ff RM |
1468 | } |
1469 | /* Sanity check */ | |
1470 | for (sl = 0; sl < ia->sla_len - 1; sl++) { | |
1471 | slap = &ia->sla[sl]; | |
a268d0e4 | 1472 | if (slap->sla_set != sla->sla_set) { |
069e2f28 | 1473 | logger(ctx, LOG_WARNING, |
e69793ff RM |
1474 | "%s: cannot mix automatic " |
1475 | "and fixed SLA", | |
1476 | sla->ifname); | |
1477 | goto err_sla; | |
1478 | } | |
1479 | if (sla->sla_set == 0 && | |
1480 | strcmp(slap->ifname, sla->ifname) == 0) | |
1481 | { | |
069e2f28 | 1482 | logger(ctx, LOG_WARNING, |
e69793ff RM |
1483 | "%s: cannot specify the " |
1484 | "same interface twice with " | |
1485 | "an automatic SLA", | |
1486 | sla->ifname); | |
1487 | goto err_sla; | |
5985c4e2 | 1488 | } |
a268d0e4 | 1489 | if (slap->sla == 0 || sla->sla == 0) { |
069e2f28 | 1490 | logger(ctx, LOG_ERR, "%s: cannot" |
a268d0e4 RM |
1491 | " assign multiple prefixes" |
1492 | " with a SLA of 0", | |
1493 | ifname); | |
1494 | goto err_sla; | |
1495 | } | |
367f7b11 | 1496 | } |
e69793ff RM |
1497 | if (sla->sla_set && sla->sla > ia->sla_max) |
1498 | ia->sla_max = sla->sla; | |
00ababe4 | 1499 | } |
ebc9d360 | 1500 | break; |
94a79cea RM |
1501 | err_sla: |
1502 | ia->sla_len--; | |
1503 | return -1; | |
1504 | #endif | |
d6a18654 | 1505 | case O_HOSTNAME_SHORT: |
9c54b11b | 1506 | ifo->options |= DHCPCD_HOSTNAME | DHCPCD_HOSTNAME_SHORT; |
d6a18654 | 1507 | break; |
413652c1 | 1508 | case O_DEV: |
4eb7b489 RM |
1509 | #ifdef PLUGIN_DEV |
1510 | if (ctx->dev_load) | |
1511 | free(ctx->dev_load); | |
1512 | ctx->dev_load = strdup(arg); | |
1513 | #endif | |
413652c1 RM |
1514 | break; |
1515 | case O_NODEV: | |
1516 | ifo->options &= ~DHCPCD_DEV; | |
1517 | break; | |
8e7d8c37 RM |
1518 | case O_DEFINE: |
1519 | dop = &ifo->dhcp_override; | |
1520 | dop_len = &ifo->dhcp_override_len; | |
1521 | /* FALLTHROUGH */ | |
2be15e88 RM |
1522 | case O_DEFINEND: |
1523 | if (dop == NULL) { | |
1524 | dop = &ifo->nd_override; | |
1525 | dop_len = &ifo->nd_override_len; | |
1526 | } | |
1527 | /* FALLTHROUGH */ | |
8e7d8c37 RM |
1528 | case O_DEFINE6: |
1529 | if (dop == NULL) { | |
1530 | dop = &ifo->dhcp6_override; | |
1531 | dop_len = &ifo->dhcp6_override_len; | |
1532 | } | |
7a911e57 RM |
1533 | /* FALLTHROUGH */ |
1534 | case O_VENDOPT: | |
1535 | if (dop == NULL) { | |
1536 | dop = &ifo->vivso_override; | |
1537 | dop_len = &ifo->vivso_override_len; | |
1538 | } | |
4eb7b489 | 1539 | *edop = *ldop = NULL; |
8e7d8c37 RM |
1540 | /* FALLTHROUGH */ |
1541 | case O_EMBED: | |
1542 | if (dop == NULL) { | |
4eb7b489 RM |
1543 | if (*edop) { |
1544 | dop = &(*edop)->embopts; | |
1545 | dop_len = &(*edop)->embopts_len; | |
03476881 | 1546 | } else if (ldop) { |
4eb7b489 RM |
1547 | dop = &(*ldop)->embopts; |
1548 | dop_len = &(*ldop)->embopts_len; | |
03476881 | 1549 | } else { |
069e2f28 | 1550 | logger(ctx, LOG_ERR, |
03476881 | 1551 | "embed must be after a define or encap"); |
8e7d8c37 RM |
1552 | return -1; |
1553 | } | |
8e7d8c37 | 1554 | } |
03476881 | 1555 | /* FALLTHROUGH */ |
8e7d8c37 RM |
1556 | case O_ENCAP: |
1557 | if (dop == NULL) { | |
4eb7b489 | 1558 | if (*ldop == NULL) { |
069e2f28 | 1559 | logger(ctx, LOG_ERR, "encap must be after a define"); |
8e7d8c37 RM |
1560 | return -1; |
1561 | } | |
4eb7b489 RM |
1562 | dop = &(*ldop)->encopts; |
1563 | dop_len = &(*ldop)->encopts_len; | |
8e7d8c37 RM |
1564 | } |
1565 | ||
1566 | /* Shared code for define, define6, embed and encap */ | |
1567 | ||
1568 | /* code */ | |
1569 | if (opt == O_EMBED) /* Embedded options don't have codes */ | |
7a911e57 | 1570 | u = 0; |
8e7d8c37 | 1571 | else { |
1cd05a96 | 1572 | fp = strwhite(arg); |
4dd50184 | 1573 | if (fp == NULL) { |
069e2f28 | 1574 | logger(ctx, LOG_ERR, "invalid syntax: %s", arg); |
8e7d8c37 RM |
1575 | return -1; |
1576 | } | |
1577 | *fp++ = '\0'; | |
6dff2cb3 | 1578 | u = (uint32_t)strtou(arg, NULL, 0, 0, UINT32_MAX, &e); |
f94b4eab | 1579 | if (e) { |
069e2f28 | 1580 | logger(ctx, LOG_ERR, "invalid code: %s", arg); |
8e7d8c37 | 1581 | return -1; |
7a911e57 | 1582 | } |
1cd05a96 | 1583 | arg = strskipwhite(fp); |
4dd50184 | 1584 | if (arg == NULL) { |
069e2f28 | 1585 | logger(ctx, LOG_ERR, "invalid syntax"); |
4dd50184 RM |
1586 | return -1; |
1587 | } | |
8e7d8c37 RM |
1588 | } |
1589 | /* type */ | |
1cd05a96 | 1590 | fp = strwhite(arg); |
ab371aa6 | 1591 | if (fp) |
1cd05a96 | 1592 | *fp++ = '\0'; |
b21cd906 RM |
1593 | np = strchr(arg, ':'); |
1594 | /* length */ | |
1595 | if (np) { | |
1596 | *np++ = '\0'; | |
cc71162d | 1597 | bp = NULL; /* No bitflag */ |
f94b4eab RM |
1598 | l = (long)strtou(np, NULL, 0, 0, LONG_MAX, &e); |
1599 | if (e) { | |
cc71162d | 1600 | logger(ctx,LOG_ERR, "failed to convert length"); |
b21cd906 | 1601 | return -1; |
f94b4eab | 1602 | } |
cc71162d | 1603 | } else { |
b21cd906 | 1604 | l = 0; |
cc71162d RM |
1605 | bp = strchr(arg, '='); /* bitflag assignment */ |
1606 | if (bp) | |
1607 | *bp++ = '\0'; | |
1608 | } | |
1cd05a96 RM |
1609 | t = 0; |
1610 | if (strcasecmp(arg, "request") == 0) { | |
1611 | t |= REQUEST; | |
1612 | arg = strskipwhite(fp); | |
1613 | fp = strwhite(arg); | |
1614 | if (fp == NULL) { | |
069e2f28 | 1615 | logger(ctx, LOG_ERR, "incomplete request type"); |
1cd05a96 RM |
1616 | return -1; |
1617 | } | |
1618 | *fp++ = '\0'; | |
1619 | } else if (strcasecmp(arg, "norequest") == 0) { | |
1620 | t |= NOREQ; | |
1621 | arg = strskipwhite(fp); | |
1622 | fp = strwhite(arg); | |
1623 | if (fp == NULL) { | |
069e2f28 | 1624 | logger(ctx, LOG_ERR, "incomplete request type"); |
1cd05a96 RM |
1625 | return -1; |
1626 | } | |
8e7d8c37 | 1627 | *fp++ = '\0'; |
1cd05a96 | 1628 | } |
ecdbb919 RM |
1629 | if (strcasecmp(arg, "optional") == 0) { |
1630 | t |= OPTIONAL; | |
1631 | arg = strskipwhite(fp); | |
1632 | fp = strwhite(arg); | |
1633 | if (fp == NULL) { | |
1634 | logger(ctx, LOG_ERR, | |
1635 | "incomplete optional type"); | |
1636 | return -1; | |
1637 | } | |
1638 | *fp++ = '\0'; | |
1639 | } | |
03476881 RM |
1640 | if (strcasecmp(arg, "index") == 0) { |
1641 | t |= INDEX; | |
1642 | arg = strskipwhite(fp); | |
1643 | fp = strwhite(arg); | |
1644 | if (fp == NULL) { | |
069e2f28 | 1645 | logger(ctx, LOG_ERR, "incomplete index type"); |
03476881 RM |
1646 | return -1; |
1647 | } | |
1648 | *fp++ = '\0'; | |
1649 | } | |
1cd05a96 RM |
1650 | if (strcasecmp(arg, "array") == 0) { |
1651 | t |= ARRAY; | |
1652 | arg = strskipwhite(fp); | |
1653 | fp = strwhite(arg); | |
1654 | if (fp == NULL) { | |
069e2f28 | 1655 | logger(ctx, LOG_ERR, "incomplete array type"); |
1cd05a96 RM |
1656 | return -1; |
1657 | } | |
1658 | *fp++ = '\0'; | |
1659 | } | |
8e7d8c37 | 1660 | if (strcasecmp(arg, "ipaddress") == 0) |
1cd05a96 | 1661 | t |= ADDRIPV4; |
8e7d8c37 | 1662 | else if (strcasecmp(arg, "ip6address") == 0) |
1cd05a96 | 1663 | t |= ADDRIPV6; |
8e7d8c37 | 1664 | else if (strcasecmp(arg, "string") == 0) |
1cd05a96 | 1665 | t |= STRING; |
8e7d8c37 | 1666 | else if (strcasecmp(arg, "byte") == 0) |
1cd05a96 | 1667 | t |= UINT8; |
cc71162d RM |
1668 | else if (strcasecmp(arg, "bitflags") == 0) |
1669 | t |= BITFLAG; | |
8e7d8c37 | 1670 | else if (strcasecmp(arg, "uint16") == 0) |
1cd05a96 | 1671 | t |= UINT16; |
8e7d8c37 | 1672 | else if (strcasecmp(arg, "int16") == 0) |
1cd05a96 | 1673 | t |= SINT16; |
8e7d8c37 | 1674 | else if (strcasecmp(arg, "uint32") == 0) |
1cd05a96 | 1675 | t |= UINT32; |
8e7d8c37 | 1676 | else if (strcasecmp(arg, "int32") == 0) |
1cd05a96 RM |
1677 | t |= SINT32; |
1678 | else if (strcasecmp(arg, "flag") == 0) | |
1679 | t |= FLAG; | |
8f008ca7 RM |
1680 | else if (strcasecmp(arg, "raw") == 0) |
1681 | t |= STRING | RAW; | |
1682 | else if (strcasecmp(arg, "ascii") == 0) | |
1683 | t |= STRING | ASCII; | |
8e7d8c37 | 1684 | else if (strcasecmp(arg, "domain") == 0) |
167b9b9b | 1685 | t |= STRING | DOMAIN | RFC1035; |
8f008ca7 RM |
1686 | else if (strcasecmp(arg, "dname") == 0) |
1687 | t |= STRING | DOMAIN; | |
8e7d8c37 | 1688 | else if (strcasecmp(arg, "binhex") == 0) |
8f008ca7 | 1689 | t |= STRING | BINHEX; |
8e7d8c37 | 1690 | else if (strcasecmp(arg, "embed") == 0) |
03476881 | 1691 | t |= EMBED; |
8e7d8c37 | 1692 | else if (strcasecmp(arg, "encap") == 0) |
03476881 | 1693 | t |= ENCAP; |
1cd05a96 | 1694 | else if (strcasecmp(arg, "rfc3361") ==0) |
03476881 | 1695 | t |= STRING | RFC3361; |
dfee59d2 | 1696 | else if (strcasecmp(arg, "rfc3442") ==0) |
03476881 | 1697 | t |= STRING | RFC3442; |
03476881 RM |
1698 | else if (strcasecmp(arg, "option") == 0) |
1699 | t |= OPTION; | |
8e7d8c37 | 1700 | else { |
069e2f28 | 1701 | logger(ctx, LOG_ERR, "unknown type: %s", arg); |
8e7d8c37 RM |
1702 | return -1; |
1703 | } | |
b21cd906 | 1704 | if (l && !(t & (STRING | BINHEX))) { |
069e2f28 | 1705 | logger(ctx, LOG_WARNING, |
b21cd906 RM |
1706 | "ignoring length for type `%s'", arg); |
1707 | l = 0; | |
1708 | } | |
8f008ca7 | 1709 | if (t & ARRAY && t & (STRING | BINHEX) && |
167b9b9b | 1710 | !(t & (RFC1035 | DOMAIN))) |
8f008ca7 | 1711 | { |
069e2f28 | 1712 | logger(ctx, LOG_WARNING, "ignoring array for strings"); |
63bdd2c2 RM |
1713 | t &= ~ARRAY; |
1714 | } | |
cc71162d RM |
1715 | if (t & BITFLAG) { |
1716 | if (bp == NULL) | |
1717 | logger(ctx, LOG_WARNING, | |
1718 | "missing bitflag assignment"); | |
1719 | } | |
8e7d8c37 | 1720 | /* variable */ |
d9fbb118 | 1721 | if (!fp) { |
03476881 | 1722 | if (!(t & OPTION)) { |
069e2f28 | 1723 | logger(ctx, LOG_ERR, |
03476881 RM |
1724 | "type %s requires a variable name", arg); |
1725 | return -1; | |
1726 | } | |
1727 | np = NULL; | |
1728 | } else { | |
1729 | arg = strskipwhite(fp); | |
1730 | fp = strwhite(arg); | |
1731 | if (fp) | |
1732 | *fp++ = '\0'; | |
cc71162d RM |
1733 | if (strcasecmp(arg, "reserved")) { |
1734 | np = strdup(arg); | |
1735 | if (np == NULL) { | |
1736 | logger(ctx, LOG_ERR, | |
1737 | "%s: %m", __func__); | |
1738 | return -1; | |
1739 | } | |
1740 | } else { | |
1741 | np = NULL; | |
1742 | t |= RESERVED; | |
03476881 | 1743 | } |
8e7d8c37 | 1744 | } |
6714b786 | 1745 | if (opt != O_EMBED) { |
f132acc3 RM |
1746 | for (dl = 0, ndop = *dop; dl < *dop_len; dl++, ndop++) |
1747 | { | |
1cd05a96 RM |
1748 | /* type 0 seems freshly malloced struct |
1749 | * for us to use */ | |
7a911e57 | 1750 | if (ndop->option == u || ndop->type == 0) |
8e7d8c37 RM |
1751 | break; |
1752 | } | |
f132acc3 RM |
1753 | if (dl == *dop_len) |
1754 | ndop = NULL; | |
1755 | } else | |
1756 | ndop = NULL; | |
6714b786 | 1757 | if (ndop == NULL) { |
8e7d8c37 | 1758 | if ((ndop = realloc(*dop, |
f132acc3 RM |
1759 | sizeof(**dop) * ((*dop_len) + 1))) == NULL) |
1760 | { | |
069e2f28 | 1761 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
8fc52ced | 1762 | free(np); |
8e7d8c37 RM |
1763 | return -1; |
1764 | } | |
1765 | *dop = ndop; | |
1766 | ndop = &(*dop)[(*dop_len)++]; | |
8e7d8c37 RM |
1767 | ndop->embopts = NULL; |
1768 | ndop->embopts_len = 0; | |
1769 | ndop->encopts = NULL; | |
1770 | ndop->encopts_len = 0; | |
1771 | } else | |
1772 | free_dhcp_opt_embenc(ndop); | |
76bb4d03 | 1773 | ndop->option = (uint32_t)u; /* could have been 0 */ |
8e7d8c37 | 1774 | ndop->type = t; |
34457fe6 | 1775 | ndop->len = (size_t)l; |
bc22d277 | 1776 | ndop->var = np; |
cc71162d RM |
1777 | if (bp) { |
1778 | dl = strlen(bp); | |
1779 | memcpy(ndop->bitflags, bp, dl); | |
1780 | memset(ndop->bitflags + dl, 0, | |
1781 | sizeof(ndop->bitflags) - dl); | |
1782 | } else | |
1783 | memset(ndop->bitflags, 0, sizeof(ndop->bitflags)); | |
8e7d8c37 | 1784 | /* Save the define for embed and encap options */ |
2be15e88 RM |
1785 | switch (opt) { |
1786 | case O_DEFINE: | |
1787 | case O_DEFINEND: | |
1788 | case O_DEFINE6: | |
1789 | case O_VENDOPT: | |
4eb7b489 | 1790 | *ldop = ndop; |
2be15e88 RM |
1791 | break; |
1792 | case O_ENCAP: | |
4eb7b489 | 1793 | *edop = ndop; |
2be15e88 RM |
1794 | break; |
1795 | } | |
8e7d8c37 | 1796 | break; |
7a911e57 RM |
1797 | case O_VENDCLASS: |
1798 | fp = strwhite(arg); | |
1799 | if (fp) | |
1800 | *fp++ = '\0'; | |
f94b4eab RM |
1801 | u = (uint32_t)strtou(arg, NULL, 0, 0, UINT32_MAX, &e); |
1802 | if (e) { | |
069e2f28 | 1803 | logger(ctx, LOG_ERR, "invalid code: %s", arg); |
7a911e57 RM |
1804 | return -1; |
1805 | } | |
1806 | if (fp) { | |
1807 | s = parse_string(NULL, 0, fp); | |
1808 | if (s == -1) { | |
069e2f28 | 1809 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
7a911e57 RM |
1810 | return -1; |
1811 | } | |
34457fe6 RM |
1812 | dl = (size_t)s; |
1813 | if (dl + (sizeof(uint16_t) * 2) > UINT16_MAX) { | |
069e2f28 | 1814 | logger(ctx, LOG_ERR, "vendor class is too big"); |
7a911e57 RM |
1815 | return -1; |
1816 | } | |
34457fe6 | 1817 | np = malloc(dl); |
7a911e57 | 1818 | if (np == NULL) { |
069e2f28 | 1819 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
7a911e57 RM |
1820 | return -1; |
1821 | } | |
34457fe6 | 1822 | parse_string(np, dl, fp); |
7a911e57 | 1823 | } else { |
34457fe6 | 1824 | dl = 0; |
7a911e57 RM |
1825 | np = NULL; |
1826 | } | |
900b6f94 RM |
1827 | vivco = realloc(ifo->vivco, sizeof(*ifo->vivco) * |
1828 | (ifo->vivco_len + 1)); | |
7a911e57 | 1829 | if (vivco == NULL) { |
069e2f28 | 1830 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
7a911e57 RM |
1831 | return -1; |
1832 | } | |
1833 | ifo->vivco = vivco; | |
76bb4d03 | 1834 | ifo->vivco_en = (uint32_t)u; |
7a911e57 | 1835 | vivco = &ifo->vivco[ifo->vivco_len++]; |
34457fe6 | 1836 | vivco->len = dl; |
7a911e57 RM |
1837 | vivco->data = (uint8_t *)np; |
1838 | break; | |
c73ed171 RM |
1839 | case O_AUTHPROTOCOL: |
1840 | fp = strwhite(arg); | |
1841 | if (fp) | |
1842 | *fp++ = '\0'; | |
1843 | if (strcasecmp(arg, "token") == 0) | |
1844 | ifo->auth.protocol = AUTH_PROTO_TOKEN; | |
1845 | else if (strcasecmp(arg, "delayed") == 0) | |
1846 | ifo->auth.protocol = AUTH_PROTO_DELAYED; | |
1847 | else if (strcasecmp(arg, "delayedrealm") == 0) | |
1848 | ifo->auth.protocol = AUTH_PROTO_DELAYEDREALM; | |
1849 | else { | |
069e2f28 | 1850 | logger(ctx, LOG_ERR, "%s: unsupported protocol", arg); |
c73ed171 RM |
1851 | return -1; |
1852 | } | |
1853 | arg = strskipwhite(fp); | |
1854 | fp = strwhite(arg); | |
1855 | if (arg == NULL) { | |
1856 | ifo->auth.options |= DHCPCD_AUTH_SEND; | |
1857 | ifo->auth.algorithm = AUTH_ALG_HMAC_MD5; | |
1858 | ifo->auth.rdm = AUTH_RDM_MONOTONIC; | |
1859 | break; | |
1860 | } | |
1861 | if (fp) | |
1862 | *fp++ = '\0'; | |
1863 | if (strcasecmp(arg, "hmacmd5") == 0 || | |
1864 | strcasecmp(arg, "hmac-md5") == 0) | |
1865 | ifo->auth.algorithm = AUTH_ALG_HMAC_MD5; | |
1866 | else { | |
069e2f28 | 1867 | logger(ctx, LOG_ERR, "%s: unsupported algorithm", arg); |
c73ed171 RM |
1868 | return 1; |
1869 | } | |
1870 | arg = fp; | |
1871 | if (arg == NULL) { | |
1872 | ifo->auth.options |= DHCPCD_AUTH_SEND; | |
1873 | ifo->auth.rdm = AUTH_RDM_MONOTONIC; | |
1874 | break; | |
1875 | } | |
cf0840ef RM |
1876 | if (strcasecmp(arg, "monocounter") == 0) { |
1877 | ifo->auth.rdm = AUTH_RDM_MONOTONIC; | |
1878 | ifo->auth.options |= DHCPCD_AUTH_RDM_COUNTER; | |
1879 | } else if (strcasecmp(arg, "monotonic") ==0 || | |
1880 | strcasecmp(arg, "monotime") == 0) | |
c73ed171 RM |
1881 | ifo->auth.rdm = AUTH_RDM_MONOTONIC; |
1882 | else { | |
069e2f28 | 1883 | logger(ctx, LOG_ERR, "%s: unsupported RDM", arg); |
c73ed171 RM |
1884 | return -1; |
1885 | } | |
35fef8ed | 1886 | ifo->auth.options |= DHCPCD_AUTH_SEND; |
c73ed171 RM |
1887 | break; |
1888 | case O_AUTHTOKEN: | |
1889 | fp = strwhite(arg); | |
1890 | if (fp == NULL) { | |
069e2f28 | 1891 | logger(ctx, LOG_ERR, "authtoken requires a realm"); |
c73ed171 RM |
1892 | return -1; |
1893 | } | |
1894 | *fp++ = '\0'; | |
1895 | token = malloc(sizeof(*token)); | |
1896 | if (token == NULL) { | |
069e2f28 | 1897 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
a8c8e686 | 1898 | free(token); |
c73ed171 RM |
1899 | return -1; |
1900 | } | |
1901 | if (parse_uint32(&token->secretid, arg) == -1) { | |
069e2f28 | 1902 | logger(ctx, LOG_ERR, "%s: not a number", arg); |
c73ed171 RM |
1903 | free(token); |
1904 | return -1; | |
1905 | } | |
1906 | arg = fp; | |
1907 | fp = strend(arg); | |
1908 | if (fp == NULL) { | |
069e2f28 | 1909 | logger(ctx, LOG_ERR, "authtoken requies an a key"); |
c73ed171 RM |
1910 | free(token); |
1911 | return -1; | |
1912 | } | |
1913 | *fp++ = '\0'; | |
34457fe6 RM |
1914 | s = parse_string(NULL, 0, arg); |
1915 | if (s == -1) { | |
069e2f28 | 1916 | logger(ctx, LOG_ERR, "realm_len: %m"); |
a8c8e686 | 1917 | free(token); |
34457fe6 RM |
1918 | return -1; |
1919 | } | |
1920 | if (s) { | |
1921 | token->realm_len = (size_t)s; | |
c73ed171 RM |
1922 | token->realm = malloc(token->realm_len); |
1923 | if (token->realm == NULL) { | |
1924 | free(token); | |
069e2f28 | 1925 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
c73ed171 RM |
1926 | return -1; |
1927 | } | |
1928 | parse_string((char *)token->realm, token->realm_len, | |
1929 | arg); | |
34457fe6 RM |
1930 | } else { |
1931 | token->realm_len = 0; | |
1932 | token->realm = NULL; | |
c73ed171 RM |
1933 | } |
1934 | arg = fp; | |
1935 | fp = strend(arg); | |
1936 | if (fp == NULL) { | |
069e2f28 | 1937 | logger(ctx, LOG_ERR, "authtoken requies an an expiry date"); |
c73ed171 RM |
1938 | free(token->realm); |
1939 | free(token); | |
1940 | return -1; | |
1941 | } | |
1942 | *fp++ = '\0'; | |
1943 | if (*arg == '"') { | |
1944 | arg++; | |
1945 | np = strchr(arg, '"'); | |
1946 | if (np) | |
1947 | *np = '\0'; | |
1948 | } | |
1949 | if (strcmp(arg, "0") == 0 || strcasecmp(arg, "forever") == 0) | |
1950 | token->expire =0; | |
1951 | else { | |
1952 | struct tm tm; | |
1953 | ||
1954 | memset(&tm, 0, sizeof(tm)); | |
1955 | if (strptime(arg, "%Y-%m-%d %H:%M", &tm) == NULL) { | |
069e2f28 | 1956 | logger(ctx, LOG_ERR, "%s: invalid date time", arg); |
c73ed171 RM |
1957 | free(token->realm); |
1958 | free(token); | |
1959 | return -1; | |
1960 | } | |
1961 | if ((token->expire = mktime(&tm)) == (time_t)-1) { | |
069e2f28 | 1962 | logger(ctx, LOG_ERR, "%s: mktime: %m", __func__); |
c73ed171 RM |
1963 | free(token->realm); |
1964 | free(token); | |
1965 | return -1; | |
1966 | } | |
1967 | } | |
1968 | arg = fp; | |
34457fe6 RM |
1969 | s = parse_string(NULL, 0, arg); |
1970 | if (s == -1 || s == 0) { | |
069e2f28 | 1971 | logger(ctx, LOG_ERR, s == -1 ? "token_len: %m" : |
34457fe6 | 1972 | "authtoken needs a key"); |
c73ed171 RM |
1973 | free(token->realm); |
1974 | free(token); | |
1975 | return -1; | |
1976 | } | |
34457fe6 | 1977 | token->key_len = (size_t)s; |
c73ed171 RM |
1978 | token->key = malloc(token->key_len); |
1979 | parse_string((char *)token->key, token->key_len, arg); | |
1980 | TAILQ_INSERT_TAIL(&ifo->auth.tokens, token, next); | |
1981 | break; | |
1982 | case O_AUTHNOTREQUIRED: | |
1983 | ifo->auth.options &= ~DHCPCD_AUTH_REQUIRE; | |
1984 | break; | |
94bec972 RM |
1985 | case O_DHCP: |
1986 | ifo->options |= DHCPCD_DHCP | DHCPCD_IPV4; | |
1987 | break; | |
d4154ba7 RM |
1988 | case O_NODHCP: |
1989 | ifo->options &= ~DHCPCD_DHCP; | |
1990 | break; | |
94bec972 RM |
1991 | case O_DHCP6: |
1992 | ifo->options |= DHCPCD_DHCP6 | DHCPCD_IPV6; | |
1993 | break; | |
d4154ba7 RM |
1994 | case O_NODHCP6: |
1995 | ifo->options &= ~DHCPCD_DHCP6; | |
1996 | break; | |
a93e79c6 RM |
1997 | case O_CONTROLGRP: |
1998 | #ifdef _REENTRANT | |
1999 | l = sysconf(_SC_GETGR_R_SIZE_MAX); | |
2000 | if (l == -1) | |
2001 | dl = 1024; | |
2002 | else | |
2003 | dl = (size_t)l; | |
2004 | p = malloc(dl); | |
2005 | if (p == NULL) { | |
069e2f28 | 2006 | logger(ctx, LOG_ERR, "%s: malloc: %m", __func__); |
a93e79c6 RM |
2007 | return -1; |
2008 | } | |
2009 | while ((i = getgrnam_r(arg, &grpbuf, p, (size_t)l, &grp)) == | |
2010 | ERANGE) | |
2011 | { | |
2012 | size_t nl = dl * 2; | |
2013 | if (nl < dl) { | |
069e2f28 | 2014 | logger(ctx, LOG_ERR, "control_group: out of buffer"); |
a93e79c6 RM |
2015 | free(p); |
2016 | return -1; | |
2017 | } | |
2018 | dl = nl; | |
2019 | np = realloc(p, dl); | |
2020 | if (np == NULL) { | |
069e2f28 | 2021 | logger(ctx, LOG_ERR, "control_group: realloc: %m"); |
a93e79c6 RM |
2022 | free(p); |
2023 | return -1; | |
2024 | } | |
2025 | p = np; | |
2026 | } | |
2027 | if (i != 0) { | |
2028 | errno = i; | |
069e2f28 | 2029 | logger(ctx, LOG_ERR, "getgrnam_r: %m"); |
a93e79c6 RM |
2030 | free(p); |
2031 | return -1; | |
2032 | } | |
2033 | if (grp == NULL) { | |
069e2f28 | 2034 | logger(ctx, LOG_ERR, "controlgroup: %s: not found", arg); |
a93e79c6 RM |
2035 | free(p); |
2036 | return -1; | |
2037 | } | |
2038 | ctx->control_group = grp->gr_gid; | |
2039 | free(p); | |
2040 | #else | |
2041 | grp = getgrnam(arg); | |
2042 | if (grp == NULL) { | |
069e2f28 | 2043 | logger(ctx, LOG_ERR, "controlgroup: %s: not found", arg); |
a93e79c6 RM |
2044 | return -1; |
2045 | } | |
2046 | ctx->control_group = grp->gr_gid; | |
2047 | #endif | |
2048 | break; | |
ee56a47d RM |
2049 | case O_GATEWAY: |
2050 | ifo->options |= DHCPCD_GATEWAY; | |
2051 | break; | |
2862d340 RM |
2052 | case O_NOUP: |
2053 | ifo->options &= ~DHCPCD_IF_UP; | |
2054 | break; | |
1aeaf0e7 RM |
2055 | case O_SLAAC: |
2056 | if (strcmp(arg, "private") == 0 || | |
2057 | strcmp(arg, "stableprivate") == 0 || | |
2058 | strcmp(arg, "stable") == 0) | |
2059 | ifo->options |= DHCPCD_SLAACPRIVATE; | |
2060 | else | |
2061 | ifo->options &= ~DHCPCD_SLAACPRIVATE; | |
3ed12ab8 | 2062 | break; |
8f924434 RM |
2063 | case O_BOOTP: |
2064 | ifo->options |= DHCPCD_BOOTP; | |
2065 | break; | |
f572315d RM |
2066 | case O_NODELAY: |
2067 | ifo->options &= ~DHCPCD_INITIAL_DELAY; | |
2068 | break; | |
fd05b7dc RM |
2069 | default: |
2070 | return 0; | |
2071 | } | |
2072 | ||
2073 | return 1; | |
2074 | } | |
2075 | ||
2076 | static int | |
4eb7b489 RM |
2077 | parse_config_line(struct dhcpcd_ctx *ctx, const char *ifname, |
2078 | struct if_options *ifo, const char *opt, char *line, | |
2079 | struct dhcp_opt **ldop, struct dhcp_opt **edop) | |
fd05b7dc RM |
2080 | { |
2081 | unsigned int i; | |
2082 | ||
2083 | for (i = 0; i < sizeof(cf_options) / sizeof(cf_options[0]); i++) { | |
2084 | if (!cf_options[i].name || | |
2085 | strcmp(cf_options[i].name, opt) != 0) | |
2086 | continue; | |
2087 | ||
2088 | if (cf_options[i].has_arg == required_argument && !line) { | |
2089 | fprintf(stderr, | |
eab2229c RM |
2090 | PACKAGE ": option requires an argument -- %s\n", |
2091 | opt); | |
fd05b7dc RM |
2092 | return -1; |
2093 | } | |
2094 | ||
4eb7b489 RM |
2095 | return parse_option(ctx, ifname, ifo, cf_options[i].val, line, |
2096 | ldop, edop); | |
fd05b7dc RM |
2097 | } |
2098 | ||
069e2f28 | 2099 | logger(ctx, LOG_ERR, "unknown option: %s", opt); |
fd05b7dc RM |
2100 | return -1; |
2101 | } | |
2102 | ||
741f46c6 | 2103 | static void |
b0272a9d | 2104 | finish_config(struct if_options *ifo) |
741f46c6 RM |
2105 | { |
2106 | ||
2107 | /* Terminate the encapsulated options */ | |
2108 | if (ifo->vendor[0] && !(ifo->options & DHCPCD_VENDORRAW)) { | |
2109 | ifo->vendor[0]++; | |
2110 | ifo->vendor[ifo->vendor[0]] = DHO_END; | |
aeddc61a RM |
2111 | /* We are called twice. |
2112 | * This should be fixed, but in the meantime, this | |
2113 | * guard should suffice */ | |
2114 | ifo->options |= DHCPCD_VENDORRAW; | |
741f46c6 | 2115 | } |
b0272a9d | 2116 | } |
741f46c6 | 2117 | |
c1b54b57 RM |
2118 | /* Handy routine to read very long lines in text files. |
2119 | * This means we read the whole line and avoid any nasty buffer overflows. | |
2120 | * We strip leading space and avoid comment lines, making the code that calls | |
2121 | * us smaller. */ | |
2122 | static char * | |
4eb7b489 RM |
2123 | get_line(char ** __restrict buf, size_t * __restrict buflen, |
2124 | FILE * __restrict fp) | |
c1b54b57 RM |
2125 | { |
2126 | char *p; | |
2127 | ssize_t bytes; | |
2128 | ||
2129 | do { | |
2130 | bytes = getline(buf, buflen, fp); | |
2131 | if (bytes == -1) | |
2132 | return NULL; | |
2133 | for (p = *buf; *p == ' ' || *p == '\t'; p++) | |
2134 | ; | |
2135 | } while (*p == '\0' || *p == '\n' || *p == '#' || *p == ';'); | |
2136 | if ((*buf)[--bytes] == '\n') | |
2137 | (*buf)[bytes] = '\0'; | |
2138 | return p; | |
2139 | } | |
2140 | ||
fd05b7dc | 2141 | struct if_options * |
4eb7b489 | 2142 | read_config(struct dhcpcd_ctx *ctx, |
6f767217 | 2143 | const char *ifname, const char *ssid, const char *profile) |
fd05b7dc RM |
2144 | { |
2145 | struct if_options *ifo; | |
c1b54b57 | 2146 | FILE *fp; |
727d8459 | 2147 | struct stat sb; |
c1b54b57 RM |
2148 | char *line, *buf, *option, *p; |
2149 | size_t buflen; | |
fec195b5 | 2150 | ssize_t vlen; |
417c31a9 | 2151 | int skip, have_profile, new_block, had_block; |
1cd05a96 | 2152 | #ifndef EMBEDDED_CONFIG |
e2e644e9 | 2153 | const char * const *e; |
c1b54b57 | 2154 | size_t ol; |
1cd05a96 | 2155 | #endif |
d9fbb118 | 2156 | #if !defined(INET) || !defined(INET6) |
10cac699 | 2157 | size_t i; |
d9fbb118 RM |
2158 | struct dhcp_opt *opt; |
2159 | #endif | |
4eb7b489 | 2160 | struct dhcp_opt *ldop, *edop; |
fd05b7dc RM |
2161 | |
2162 | /* Seed our default options */ | |
10e17e3f RM |
2163 | ifo = calloc(1, sizeof(*ifo)); |
2164 | if (ifo == NULL) { | |
069e2f28 | 2165 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
10e17e3f RM |
2166 | return NULL; |
2167 | } | |
f572315d | 2168 | ifo->options |= DHCPCD_DAEMONISE | DHCPCD_LINK | DHCPCD_INITIAL_DELAY; |
2862d340 | 2169 | ifo->options |= DHCPCD_IF_UP; |
413652c1 RM |
2170 | #ifdef PLUGIN_DEV |
2171 | ifo->options |= DHCPCD_DEV; | |
2172 | #endif | |
aae24feb | 2173 | #ifdef INET |
d4154ba7 | 2174 | ifo->options |= DHCPCD_IPV4 | DHCPCD_DHCP | DHCPCD_IPV4LL; |
00ababe4 | 2175 | ifo->options |= DHCPCD_GATEWAY | DHCPCD_ARP; |
aae24feb RM |
2176 | #endif |
2177 | #ifdef INET6 | |
62f12387 RM |
2178 | ifo->options |= DHCPCD_IPV6 | DHCPCD_IPV6RS; |
2179 | ifo->options |= DHCPCD_IPV6RA_AUTOCONF | DHCPCD_IPV6RA_REQRDNSS; | |
d4154ba7 | 2180 | ifo->options |= DHCPCD_DHCP6; |
aae24feb | 2181 | #endif |
fd05b7dc | 2182 | ifo->timeout = DEFAULT_TIMEOUT; |
a2a9a498 | 2183 | ifo->reboot = DEFAULT_REBOOT; |
f43e5853 | 2184 | ifo->metric = -1; |
c73ed171 RM |
2185 | ifo->auth.options |= DHCPCD_AUTH_REQUIRE; |
2186 | TAILQ_INIT(&ifo->auth.tokens); | |
793c4286 | 2187 | |
fec195b5 RM |
2188 | vlen = dhcp_vendor((char *)ifo->vendorclassid + 1, |
2189 | sizeof(ifo->vendorclassid) - 1); | |
d7a4dcf9 | 2190 | ifo->vendorclassid[0] = (uint8_t)(vlen == -1 ? 0 : vlen); |
fd05b7dc | 2191 | |
c1b54b57 RM |
2192 | buf = NULL; |
2193 | buflen = 0; | |
2194 | ||
8e7d8c37 | 2195 | /* Parse our embedded options file */ |
c1642d52 | 2196 | if (ifname == NULL && !(ctx->options & DHCPCD_PRINT_PIDFILE)) { |
1cd05a96 RM |
2197 | /* Space for initial estimates */ |
2198 | #if defined(INET) && defined(INITDEFINES) | |
2199 | ifo->dhcp_override = | |
2200 | calloc(INITDEFINES, sizeof(*ifo->dhcp_override)); | |
2201 | if (ifo->dhcp_override == NULL) | |
069e2f28 | 2202 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
1cd05a96 RM |
2203 | else |
2204 | ifo->dhcp_override_len = INITDEFINES; | |
2205 | #endif | |
2206 | ||
2be15e88 RM |
2207 | #if defined(INET6) && defined(INITDEFINENDS) |
2208 | ifo->nd_override = | |
2209 | calloc(INITDEFINENDS, sizeof(*ifo->nd_override)); | |
2210 | if (ifo->nd_override == NULL) | |
2211 | logger(ctx, LOG_ERR, "%s: %m", __func__); | |
2212 | else | |
2213 | ifo->nd_override_len = INITDEFINENDS; | |
2214 | #endif | |
1cd05a96 RM |
2215 | #if defined(INET6) && defined(INITDEFINE6S) |
2216 | ifo->dhcp6_override = | |
2217 | calloc(INITDEFINE6S, sizeof(*ifo->dhcp6_override)); | |
2218 | if (ifo->dhcp6_override == NULL) | |
069e2f28 | 2219 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
1cd05a96 | 2220 | else |
d9fbb118 | 2221 | ifo->dhcp6_override_len = INITDEFINE6S; |
1cd05a96 RM |
2222 | #endif |
2223 | ||
2224 | /* Now load our embedded config */ | |
2225 | #ifdef EMBEDDED_CONFIG | |
c1b54b57 RM |
2226 | fp = fopen(EMBEDDED_CONFIG, "r"); |
2227 | if (fp == NULL) | |
069e2f28 | 2228 | logger(ctx, LOG_ERR, "fopen `%s': %m", EMBEDDED_CONFIG); |
1cd05a96 | 2229 | |
c1b54b57 | 2230 | while (fp && (line = get_line(&buf, &buflen, fp))) { |
1cd05a96 | 2231 | #else |
a319fa53 RM |
2232 | buflen = 80; |
2233 | buf = malloc(buflen); | |
2234 | if (buf == NULL) { | |
069e2f28 | 2235 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
1cd05a96 RM |
2236 | return NULL; |
2237 | } | |
4eb7b489 | 2238 | ldop = edop = NULL; |
1cd05a96 RM |
2239 | for (e = dhcpcd_embedded_conf; *e; e++) { |
2240 | ol = strlen(*e) + 1; | |
a319fa53 | 2241 | if (ol > buflen) { |
a319fa53 | 2242 | buflen = ol; |
967db595 | 2243 | buf = realloc(buf, buflen); |
a319fa53 | 2244 | if (buf == NULL) { |
069e2f28 | 2245 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
967db595 | 2246 | free(buf); |
1cd05a96 RM |
2247 | return NULL; |
2248 | } | |
2249 | } | |
a319fa53 RM |
2250 | memcpy(buf, *e, ol); |
2251 | line = buf; | |
1cd05a96 | 2252 | #endif |
8e7d8c37 | 2253 | option = strsep(&line, " \t"); |
ab371aa6 RM |
2254 | if (line) |
2255 | line = strskipwhite(line); | |
8e7d8c37 RM |
2256 | /* Trim trailing whitespace */ |
2257 | if (line && *line) { | |
2258 | p = line + strlen(line) - 1; | |
2259 | while (p != line && | |
2260 | (*p == ' ' || *p == '\t') && | |
2261 | *(p - 1) != '\\') | |
2262 | *p-- = '\0'; | |
2263 | } | |
4eb7b489 RM |
2264 | parse_config_line(ctx, NULL, ifo, option, line, |
2265 | &ldop, &edop); | |
1cd05a96 | 2266 | |
8e7d8c37 | 2267 | } |
1cd05a96 RM |
2268 | |
2269 | #ifdef EMBEDDED_CONFIG | |
c1b54b57 RM |
2270 | if (fp) |
2271 | fclose(fp); | |
1cd05a96 RM |
2272 | #endif |
2273 | #ifdef INET | |
4eb7b489 RM |
2274 | ctx->dhcp_opts = ifo->dhcp_override; |
2275 | ctx->dhcp_opts_len = ifo->dhcp_override_len; | |
1cd05a96 | 2276 | #else |
d9fbb118 RM |
2277 | for (i = 0, opt = ifo->dhcp_override; |
2278 | i < ifo->dhcp_override_len; | |
2279 | i++, opt++) | |
2280 | free_dhcp_opt_embenc(opt); | |
1cd05a96 RM |
2281 | free(ifo->dhcp_override); |
2282 | #endif | |
2283 | ifo->dhcp_override = NULL; | |
2284 | ifo->dhcp_override_len = 0; | |
2285 | ||
2286 | #ifdef INET6 | |
2be15e88 RM |
2287 | ctx->nd_opts = ifo->nd_override; |
2288 | ctx->nd_opts_len = ifo->nd_override_len; | |
4eb7b489 RM |
2289 | ctx->dhcp6_opts = ifo->dhcp6_override; |
2290 | ctx->dhcp6_opts_len = ifo->dhcp6_override_len; | |
1cd05a96 | 2291 | #else |
2be15e88 RM |
2292 | for (i = 0, opt = ifo->nd_override; |
2293 | i < ifo->nd_override_len; | |
2294 | i++, opt++) | |
2295 | free_dhcp_opt_embenc(opt); | |
2296 | free(ifo->nd_override); | |
d9fbb118 | 2297 | for (i = 0, opt = ifo->dhcp6_override; |
10cac699 | 2298 | i < ifo->dhcp6_override_len; |
d9fbb118 RM |
2299 | i++, opt++) |
2300 | free_dhcp_opt_embenc(opt); | |
1cd05a96 RM |
2301 | free(ifo->dhcp6_override); |
2302 | #endif | |
2be15e88 RM |
2303 | ifo->nd_override = NULL; |
2304 | ifo->nd_override_len = 0; | |
1cd05a96 RM |
2305 | ifo->dhcp6_override = NULL; |
2306 | ifo->dhcp6_override_len = 0; | |
7a911e57 | 2307 | |
4eb7b489 RM |
2308 | ctx->vivso = ifo->vivso_override; |
2309 | ctx->vivso_len = ifo->vivso_override_len; | |
7a911e57 RM |
2310 | ifo->vivso_override = NULL; |
2311 | ifo->vivso_override_len = 0; | |
8e7d8c37 RM |
2312 | } |
2313 | ||
fd05b7dc | 2314 | /* Parse our options file */ |
4eb7b489 | 2315 | fp = fopen(ctx->cffile, "r"); |
c1b54b57 | 2316 | if (fp == NULL) { |
4eb7b489 | 2317 | if (strcmp(ctx->cffile, CONFIG)) |
069e2f28 | 2318 | logger(ctx, LOG_ERR, "fopen `%s': %m", ctx->cffile); |
c1b54b57 | 2319 | free(buf); |
fd05b7dc | 2320 | return ifo; |
5e2062a4 | 2321 | } |
727d8459 RM |
2322 | if (stat(ctx->cffile, &sb) == 0) |
2323 | ifo->mtime = sb.st_mtime; | |
fd05b7dc | 2324 | |
4eb7b489 | 2325 | ldop = edop = NULL; |
417c31a9 | 2326 | skip = have_profile = new_block = 0; |
d42067b8 | 2327 | had_block = ifname == NULL ? 1 : 0; |
c1b54b57 | 2328 | while ((line = get_line(&buf, &buflen, fp))) { |
e1caa8db | 2329 | option = strsep(&line, " \t"); |
ab371aa6 RM |
2330 | if (line) |
2331 | line = strskipwhite(line); | |
fd05b7dc RM |
2332 | /* Trim trailing whitespace */ |
2333 | if (line && *line) { | |
2334 | p = line + strlen(line) - 1; | |
2335 | while (p != line && | |
eab2229c RM |
2336 | (*p == ' ' || *p == '\t') && |
2337 | *(p - 1) != '\\') | |
fd05b7dc RM |
2338 | *p-- = '\0'; |
2339 | } | |
d42067b8 | 2340 | if (skip == 0 && new_block) { |
edb0ed37 RM |
2341 | had_block = 1; |
2342 | new_block = 0; | |
2343 | ifo->options &= ~DHCPCD_WAITOPTS; | |
2344 | } | |
fd05b7dc RM |
2345 | /* Start of an interface block, skip if not ours */ |
2346 | if (strcmp(option, "interface") == 0) { | |
4d91c2e7 RM |
2347 | char **n; |
2348 | ||
edb0ed37 | 2349 | new_block = 1; |
fd05b7dc RM |
2350 | if (ifname && line && strcmp(line, ifname) == 0) |
2351 | skip = 0; | |
2352 | else | |
2353 | skip = 1; | |
4d91c2e7 RM |
2354 | if (ifname) |
2355 | continue; | |
2356 | ||
2357 | n = realloc(ctx->ifcv, | |
2358 | sizeof(char *) * ((size_t)ctx->ifcc + 1)); | |
2359 | if (n == NULL) { | |
069e2f28 | 2360 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
4d91c2e7 RM |
2361 | continue; |
2362 | } | |
2363 | ctx->ifcv = n; | |
2364 | ctx->ifcv[ctx->ifcc] = strdup(line); | |
2365 | if (ctx->ifcv[ctx->ifcc] == NULL) { | |
069e2f28 | 2366 | logger(ctx, LOG_ERR, "%s: %m", __func__); |
4d91c2e7 RM |
2367 | continue; |
2368 | } | |
2369 | ctx->ifcc++; | |
fd05b7dc | 2370 | continue; |
c53cf4ef RM |
2371 | } |
2372 | /* Start of an ssid block, skip if not ours */ | |
2373 | if (strcmp(option, "ssid") == 0) { | |
edb0ed37 | 2374 | new_block = 1; |
c53cf4ef RM |
2375 | if (ssid && line && strcmp(line, ssid) == 0) |
2376 | skip = 0; | |
2377 | else | |
2378 | skip = 1; | |
2379 | continue; | |
fd05b7dc | 2380 | } |
6f767217 RM |
2381 | /* Start of a profile block, skip if not ours */ |
2382 | if (strcmp(option, "profile") == 0) { | |
edb0ed37 | 2383 | new_block = 1; |
6f767217 RM |
2384 | if (profile && line && strcmp(line, profile) == 0) { |
2385 | skip = 0; | |
2386 | have_profile = 1; | |
2387 | } else | |
2388 | skip = 1; | |
2389 | continue; | |
2390 | } | |
ba7a34fb RM |
2391 | /* Skip arping if we have selected a profile but not parsing |
2392 | * one. */ | |
2393 | if (profile && !have_profile && strcmp(option, "arping") == 0) | |
2394 | continue; | |
fd05b7dc RM |
2395 | if (skip) |
2396 | continue; | |
4eb7b489 | 2397 | parse_config_line(ctx, ifname, ifo, option, line, &ldop, &edop); |
fd05b7dc | 2398 | } |
c1b54b57 RM |
2399 | fclose(fp); |
2400 | free(buf); | |
fd05b7dc | 2401 | |
6f767217 RM |
2402 | if (profile && !have_profile) { |
2403 | free_options(ifo); | |
2404 | errno = ENOENT; | |
658bfd5e | 2405 | return NULL; |
6f767217 RM |
2406 | } |
2407 | ||
edb0ed37 RM |
2408 | if (!had_block) |
2409 | ifo->options &= ~DHCPCD_WAITOPTS; | |
b0272a9d | 2410 | finish_config(ifo); |
fd05b7dc RM |
2411 | return ifo; |
2412 | } | |
2413 | ||
2414 | int | |
4eb7b489 RM |
2415 | add_options(struct dhcpcd_ctx *ctx, const char *ifname, |
2416 | struct if_options *ifo, int argc, char **argv) | |
fd05b7dc | 2417 | { |
29c0fd6f | 2418 | int oi, opt, r; |
edb0ed37 | 2419 | unsigned long long wait_opts; |
29c0fd6f RM |
2420 | |
2421 | if (argc == 0) | |
2422 | return 1; | |
fd05b7dc RM |
2423 | |
2424 | optind = 0; | |
29c0fd6f | 2425 | r = 1; |
edb0ed37 RM |
2426 | /* Don't apply the command line wait options to each interface, |
2427 | * only use the dhcpcd.conf entry for that. */ | |
2428 | if (ifname != NULL) | |
2429 | wait_opts = ifo->options & DHCPCD_WAITOPTS; | |
c31b1719 RM |
2430 | while ((opt = getopt_long(argc, argv, |
2431 | ctx->options & DHCPCD_PRINT_PIDFILE ? NOERR_IF_OPTS : IF_OPTS, | |
2432 | cf_options, &oi)) != -1) | |
fd05b7dc | 2433 | { |
4eb7b489 | 2434 | r = parse_option(ctx, ifname, ifo, opt, optarg, NULL, NULL); |
fd05b7dc RM |
2435 | if (r != 1) |
2436 | break; | |
2437 | } | |
edb0ed37 RM |
2438 | if (ifname != NULL) { |
2439 | ifo->options &= ~DHCPCD_WAITOPTS; | |
2440 | ifo->options |= wait_opts; | |
2441 | } | |
741f46c6 | 2442 | |
b0272a9d | 2443 | finish_config(ifo); |
fd05b7dc RM |
2444 | return r; |
2445 | } | |
2446 | ||
2447 | void | |
2448 | free_options(struct if_options *ifo) | |
2449 | { | |
2450 | size_t i; | |
d9fbb118 | 2451 | struct dhcp_opt *opt; |
900b6f94 | 2452 | struct vivco *vo; |
c73ed171 | 2453 | struct token *token; |
fd05b7dc | 2454 | |
f43e5853 RM |
2455 | if (ifo) { |
2456 | if (ifo->environ) { | |
2457 | i = 0; | |
2458 | while (ifo->environ[i]) | |
2459 | free(ifo->environ[i++]); | |
2460 | free(ifo->environ); | |
2461 | } | |
91a44b91 RM |
2462 | if (ifo->config) { |
2463 | i = 0; | |
2464 | while (ifo->config[i]) | |
2465 | free(ifo->config[i++]); | |
2466 | free(ifo->config); | |
2467 | } | |
e88c525f | 2468 | ipv4_freeroutes(ifo->routes); |
1681b126 | 2469 | free(ifo->script); |
ff021b0b | 2470 | free(ifo->arping); |
f43e5853 | 2471 | free(ifo->blacklist); |
ff021b0b | 2472 | free(ifo->fallback); |
8e7d8c37 | 2473 | |
59a555cd RM |
2474 | for (opt = ifo->dhcp_override; |
2475 | ifo->dhcp_override_len > 0; | |
2476 | opt++, ifo->dhcp_override_len--) | |
d9fbb118 | 2477 | free_dhcp_opt_embenc(opt); |
8e7d8c37 | 2478 | free(ifo->dhcp_override); |
2be15e88 RM |
2479 | for (opt = ifo->nd_override; |
2480 | ifo->nd_override_len > 0; | |
2481 | opt++, ifo->nd_override_len--) | |
2482 | free_dhcp_opt_embenc(opt); | |
2483 | free(ifo->nd_override); | |
59a555cd RM |
2484 | for (opt = ifo->dhcp6_override; |
2485 | ifo->dhcp6_override_len > 0; | |
2486 | opt++, ifo->dhcp6_override_len--) | |
7a911e57 RM |
2487 | free_dhcp_opt_embenc(opt); |
2488 | free(ifo->dhcp6_override); | |
59a555cd RM |
2489 | for (vo = ifo->vivco; |
2490 | ifo->vivco_len > 0; | |
2491 | vo++, ifo->vivco_len--) | |
900b6f94 RM |
2492 | free(vo->data); |
2493 | free(ifo->vivco); | |
59a555cd RM |
2494 | for (opt = ifo->vivso_override; |
2495 | ifo->vivso_override_len > 0; | |
2496 | opt++, ifo->vivso_override_len--) | |
7a911e57 | 2497 | free_dhcp_opt_embenc(opt); |
900b6f94 | 2498 | free(ifo->vivso_override); |
8e7d8c37 | 2499 | |
00ababe4 | 2500 | #ifdef INET6 |
59a555cd RM |
2501 | for (; ifo->ia_len > 0; ifo->ia_len--) |
2502 | free(ifo->ia[ifo->ia_len - 1].sla); | |
00ababe4 | 2503 | #endif |
ebc9d360 RM |
2504 | free(ifo->ia); |
2505 | ||
c73ed171 RM |
2506 | while ((token = TAILQ_FIRST(&ifo->auth.tokens))) { |
2507 | TAILQ_REMOVE(&ifo->auth.tokens, token, next); | |
2508 | if (token->realm_len) | |
2509 | free(token->realm); | |
2510 | free(token->key); | |
2511 | free(token); | |
2512 | } | |
f43e5853 | 2513 | free(ifo); |
fd05b7dc | 2514 | } |
fd05b7dc | 2515 | } |