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Commit | Line | Data |
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8cc47ba2 | 1 | /* |
fd05b7dc | 2 | * dhcpcd - DHCP client daemon |
aae24feb | 3 | * Copyright (c) 2006-2013 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> |
fd05b7dc RM |
29 | #include <sys/types.h> |
30 | ||
31 | #include <arpa/inet.h> | |
32 | ||
33 | #include <ctype.h> | |
34 | #include <errno.h> | |
35 | #include <getopt.h> | |
0d0c5f66 | 36 | #include <limits.h> |
fd05b7dc RM |
37 | #include <paths.h> |
38 | #include <stdio.h> | |
39 | #include <stdlib.h> | |
40 | #include <string.h> | |
765fbf7d | 41 | #include <syslog.h> |
fd05b7dc RM |
42 | #include <unistd.h> |
43 | #include <time.h> | |
44 | ||
fd05b7dc | 45 | #include "config.h" |
9f7780b0 | 46 | #include "common.h" |
d7555c12 RM |
47 | #include "dhcp.h" |
48 | #include "dhcp6.h" | |
fd05b7dc | 49 | #include "if-options.h" |
e88c525f | 50 | #include "ipv4.h" |
793c4286 | 51 | #include "platform.h" |
fd05b7dc | 52 | |
eebe9a18 RM |
53 | unsigned long long options = 0; |
54 | ||
4ca7460f RM |
55 | /* These options only make sense in the config file, so don't use any |
56 | valid short options for them */ | |
eebe9a18 RM |
57 | #define O_BASE MAX('z', 'Z') + 1 |
58 | #define O_ARPING O_BASE + 1 | |
59 | #define O_FALLBACK O_BASE + 2 | |
60 | #define O_DESTINATION O_BASE + 3 | |
61 | #define O_IPV6RS O_BASE + 4 | |
00ababe4 RM |
62 | #define O_NOIPV6RS O_BASE + 5 |
63 | #define O_IPV6RA_FORK O_BASE + 6 | |
eebe9a18 RM |
64 | #define O_IPV6RA_OWN O_BASE + 7 |
65 | #define O_IPV6RA_OWN_D O_BASE + 8 | |
7dab081f | 66 | #define O_NOALIAS O_BASE + 9 |
00ababe4 RM |
67 | #define O_IA_NA O_BASE + 10 |
68 | #define O_IA_TA O_BASE + 11 | |
69 | #define O_IA_PD O_BASE + 12 | |
d6a18654 | 70 | #define O_HOSTNAME_SHORT O_BASE + 13 |
4ca7460f | 71 | |
fd05b7dc | 72 | const struct option cf_options[] = { |
ba97e494 RM |
73 | {"background", no_argument, NULL, 'b'}, |
74 | {"script", required_argument, NULL, 'c'}, | |
75 | {"debug", no_argument, NULL, 'd'}, | |
6bfd88f1 | 76 | {"env", required_argument, NULL, 'e'}, |
ba97e494 | 77 | {"config", required_argument, NULL, 'f'}, |
6bfd88f1 | 78 | {"reconfigure", no_argument, NULL, 'g'}, |
ba97e494 RM |
79 | {"hostname", optional_argument, NULL, 'h'}, |
80 | {"vendorclassid", optional_argument, NULL, 'i'}, | |
81 | {"release", no_argument, NULL, 'k'}, | |
82 | {"leasetime", required_argument, NULL, 'l'}, | |
83 | {"metric", required_argument, NULL, 'm'}, | |
84 | {"rebind", no_argument, NULL, 'n'}, | |
85 | {"option", required_argument, NULL, 'o'}, | |
86 | {"persistent", no_argument, NULL, 'p'}, | |
87 | {"quiet", no_argument, NULL, 'q'}, | |
88 | {"request", optional_argument, NULL, 'r'}, | |
89 | {"inform", optional_argument, NULL, 's'}, | |
90 | {"timeout", required_argument, NULL, 't'}, | |
91 | {"userclass", required_argument, NULL, 'u'}, | |
92 | {"vendor", required_argument, NULL, 'v'}, | |
2a07a2af | 93 | {"waitip", no_argument, NULL, 'w'}, |
ba97e494 | 94 | {"exit", no_argument, NULL, 'x'}, |
d3088c74 | 95 | {"allowinterfaces", required_argument, NULL, 'z'}, |
a2a9a498 | 96 | {"reboot", required_argument, NULL, 'y'}, |
ba97e494 RM |
97 | {"noarp", no_argument, NULL, 'A'}, |
98 | {"nobackground", no_argument, NULL, 'B'}, | |
99 | {"nohook", required_argument, NULL, 'C'}, | |
100 | {"duid", no_argument, NULL, 'D'}, | |
101 | {"lastlease", no_argument, NULL, 'E'}, | |
102 | {"fqdn", optional_argument, NULL, 'F'}, | |
103 | {"nogateway", no_argument, NULL, 'G'}, | |
00ababe4 | 104 | {"xidhwaddr", no_argument, NULL, 'H'}, |
ba97e494 | 105 | {"clientid", optional_argument, NULL, 'I'}, |
900b3da4 | 106 | {"broadcast", no_argument, NULL, 'J'}, |
ba97e494 RM |
107 | {"nolink", no_argument, NULL, 'K'}, |
108 | {"noipv4ll", no_argument, NULL, 'L'}, | |
109 | {"nooption", optional_argument, NULL, 'O'}, | |
110 | {"require", required_argument, NULL, 'Q'}, | |
91a44b91 | 111 | {"static", required_argument, NULL, 'S'}, |
ba97e494 | 112 | {"test", no_argument, NULL, 'T'}, |
dc60cba4 | 113 | {"dumplease", no_argument, NULL, 'U'}, |
ba97e494 | 114 | {"variables", no_argument, NULL, 'V'}, |
bf80d526 | 115 | {"whitelist", required_argument, NULL, 'W'}, |
ba97e494 | 116 | {"blacklist", required_argument, NULL, 'X'}, |
d3088c74 | 117 | {"denyinterfaces", required_argument, NULL, 'Z'}, |
4ca7460f | 118 | {"arping", required_argument, NULL, O_ARPING}, |
41c60e02 | 119 | {"destination", required_argument, NULL, O_DESTINATION}, |
ff021b0b | 120 | {"fallback", required_argument, NULL, O_FALLBACK}, |
eebe9a18 | 121 | {"ipv6rs", no_argument, NULL, O_IPV6RS}, |
91cd7324 | 122 | {"noipv6rs", no_argument, NULL, O_NOIPV6RS}, |
eebe9a18 RM |
123 | {"ipv6ra_fork", no_argument, NULL, O_IPV6RA_FORK}, |
124 | {"ipv6ra_own", no_argument, NULL, O_IPV6RA_OWN}, | |
125 | {"ipv6ra_own_default", no_argument, NULL, O_IPV6RA_OWN_D}, | |
d7555c12 RM |
126 | {"ipv4only", no_argument, NULL, '4'}, |
127 | {"ipv6only", no_argument, NULL, '6'}, | |
7dab081f | 128 | {"noalias", no_argument, NULL, O_NOALIAS}, |
00ababe4 RM |
129 | {"ia_na", no_argument, NULL, O_IA_NA}, |
130 | {"ia_ta", no_argument, NULL, O_IA_TA}, | |
131 | {"ia_pd", no_argument, NULL, O_IA_PD}, | |
d6a18654 | 132 | {"hostname_short", no_argument, NULL, O_HOSTNAME_SHORT}, |
ba97e494 | 133 | {NULL, 0, NULL, '\0'} |
fd05b7dc RM |
134 | }; |
135 | ||
136 | static int | |
137 | atoint(const char *s) | |
138 | { | |
139 | char *t; | |
140 | long n; | |
141 | ||
142 | errno = 0; | |
143 | n = strtol(s, &t, 0); | |
144 | if ((errno != 0 && n == 0) || s == t || | |
145 | (errno == ERANGE && (n == LONG_MAX || n == LONG_MIN))) | |
146 | { | |
367f7b11 RM |
147 | if (errno == 0) |
148 | errno = EINVAL; | |
765fbf7d | 149 | syslog(LOG_ERR, "`%s' out of range", s); |
fd05b7dc RM |
150 | return -1; |
151 | } | |
152 | ||
153 | return (int)n; | |
154 | } | |
155 | ||
00ababe4 | 156 | static char * |
fd05b7dc RM |
157 | add_environ(struct if_options *ifo, const char *value, int uniq) |
158 | { | |
159 | char **newlist; | |
160 | char **lst = ifo->environ; | |
161 | size_t i = 0, l, lv; | |
fa245a4d | 162 | char *match = NULL, *p, *n; |
fd05b7dc | 163 | |
78369646 RM |
164 | match = strdup(value); |
165 | if (match == NULL) { | |
166 | syslog(LOG_ERR, "%s: %m", __func__); | |
167 | return NULL; | |
168 | } | |
fd05b7dc RM |
169 | p = strchr(match, '='); |
170 | if (p) | |
171 | *p++ = '\0'; | |
172 | l = strlen(match); | |
173 | ||
174 | while (lst && lst[i]) { | |
175 | if (match && strncmp(lst[i], match, l) == 0) { | |
176 | if (uniq) { | |
78369646 RM |
177 | n = strdup(value); |
178 | if (n == NULL) { | |
179 | syslog(LOG_ERR, "%s: %m", __func__); | |
180 | return NULL; | |
181 | } | |
fd05b7dc | 182 | free(lst[i]); |
78369646 | 183 | lst[i] = n; |
fd05b7dc RM |
184 | } else { |
185 | /* Append a space and the value to it */ | |
186 | l = strlen(lst[i]); | |
187 | lv = strlen(p); | |
fa245a4d RM |
188 | n = realloc(lst[i], l + lv + 2); |
189 | if (n == NULL) { | |
190 | syslog(LOG_ERR, "%s: %m", __func__); | |
191 | return NULL; | |
192 | } | |
193 | lst[i] = n; | |
fd05b7dc RM |
194 | lst[i][l] = ' '; |
195 | memcpy(lst[i] + l + 1, p, lv); | |
196 | lst[i][l + lv + 1] = '\0'; | |
197 | } | |
198 | free(match); | |
199 | return lst[i]; | |
200 | } | |
201 | i++; | |
202 | } | |
203 | ||
78369646 RM |
204 | n = strdup(value); |
205 | if (n == NULL) { | |
206 | syslog(LOG_ERR, "%s: %m", __func__); | |
207 | return NULL; | |
208 | } | |
fa245a4d RM |
209 | newlist = realloc(lst, sizeof(char *) * (i + 2)); |
210 | if (newlist == NULL) { | |
211 | syslog(LOG_ERR, "%s: %m", __func__); | |
212 | return NULL; | |
213 | } | |
78369646 | 214 | newlist[i] = n; |
fd05b7dc RM |
215 | newlist[i + 1] = NULL; |
216 | ifo->environ = newlist; | |
217 | free(match); | |
218 | return newlist[i]; | |
219 | } | |
220 | ||
221 | #define parse_string(buf, len, arg) parse_string_hwaddr(buf, len, arg, 0) | |
222 | static ssize_t | |
223 | parse_string_hwaddr(char *sbuf, ssize_t slen, const char *str, int clid) | |
224 | { | |
225 | ssize_t l; | |
226 | const char *p; | |
227 | int i, punt_last = 0; | |
228 | char c[4]; | |
229 | ||
230 | /* If surrounded by quotes then it's a string */ | |
231 | if (*str == '"') { | |
232 | str++; | |
233 | l = strlen(str); | |
234 | p = str + l - 1; | |
235 | if (*p == '"') | |
236 | punt_last = 1; | |
237 | } else { | |
238 | l = hwaddr_aton(NULL, str); | |
239 | if (l > 1) { | |
240 | if (l > slen) { | |
241 | errno = ENOBUFS; | |
242 | return -1; | |
243 | } | |
244 | hwaddr_aton((uint8_t *)sbuf, str); | |
245 | return l; | |
246 | } | |
247 | } | |
248 | ||
249 | /* Process escapes */ | |
250 | l = 0; | |
251 | /* If processing a string on the clientid, first byte should be | |
252 | * 0 to indicate a non hardware type */ | |
9c9ad2f1 | 253 | if (clid && *str) { |
fd05b7dc RM |
254 | *sbuf++ = 0; |
255 | l++; | |
256 | } | |
257 | c[3] = '\0'; | |
258 | while (*str) { | |
259 | if (++l > slen) { | |
260 | errno = ENOBUFS; | |
261 | return -1; | |
262 | } | |
263 | if (*str == '\\') { | |
264 | str++; | |
857576b4 | 265 | switch(*str) { |
fd05b7dc RM |
266 | case '\0': |
267 | break; | |
268 | case 'b': | |
269 | *sbuf++ = '\b'; | |
857576b4 | 270 | str++; |
fd05b7dc RM |
271 | break; |
272 | case 'n': | |
273 | *sbuf++ = '\n'; | |
857576b4 | 274 | str++; |
fd05b7dc RM |
275 | break; |
276 | case 'r': | |
277 | *sbuf++ = '\r'; | |
857576b4 | 278 | str++; |
fd05b7dc RM |
279 | break; |
280 | case 't': | |
281 | *sbuf++ = '\t'; | |
857576b4 | 282 | str++; |
fd05b7dc RM |
283 | break; |
284 | case 'x': | |
285 | /* Grab a hex code */ | |
286 | c[1] = '\0'; | |
287 | for (i = 0; i < 2; i++) { | |
288 | if (isxdigit((unsigned char)*str) == 0) | |
289 | break; | |
290 | c[i] = *str++; | |
291 | } | |
292 | if (c[1] != '\0') { | |
293 | c[2] = '\0'; | |
294 | *sbuf++ = strtol(c, NULL, 16); | |
295 | } else | |
296 | l--; | |
297 | break; | |
298 | case '0': | |
299 | /* Grab an octal code */ | |
300 | c[2] = '\0'; | |
301 | for (i = 0; i < 3; i++) { | |
302 | if (*str < '0' || *str > '7') | |
303 | break; | |
304 | c[i] = *str++; | |
305 | } | |
306 | if (c[2] != '\0') { | |
307 | i = strtol(c, NULL, 8); | |
308 | if (i > 255) | |
309 | i = 255; | |
310 | *sbuf ++= i; | |
311 | } else | |
312 | l--; | |
313 | break; | |
314 | default: | |
315 | *sbuf++ = *str++; | |
316 | } | |
317 | } else | |
318 | *sbuf++ = *str++; | |
319 | } | |
c35f63c8 | 320 | if (punt_last) { |
fd05b7dc | 321 | *--sbuf = '\0'; |
c35f63c8 RM |
322 | l--; |
323 | } | |
fd05b7dc RM |
324 | return l; |
325 | } | |
326 | ||
ba97e494 RM |
327 | static char ** |
328 | splitv(int *argc, char **argv, const char *arg) | |
329 | { | |
fa245a4d | 330 | char **n, **v = argv; |
78369646 | 331 | char *o = strdup(arg), *p, *t, *nt; |
ba97e494 | 332 | |
78369646 RM |
333 | if (o == NULL) { |
334 | syslog(LOG_ERR, "%s: %m", __func__); | |
335 | return v; | |
336 | } | |
ba97e494 RM |
337 | p = o; |
338 | while ((t = strsep(&p, ", "))) { | |
fa245a4d RM |
339 | nt = strdup(t); |
340 | if (nt == NULL) { | |
341 | syslog(LOG_ERR, "%s: %m", __func__); | |
342 | return NULL; | |
343 | } | |
ba97e494 | 344 | (*argc)++; |
fa245a4d RM |
345 | n = realloc(v, sizeof(char *) * ((*argc))); |
346 | if (n == NULL) { | |
347 | syslog(LOG_ERR, "%s: %m", __func__); | |
348 | return NULL; | |
349 | } | |
350 | v = n; | |
351 | v[(*argc) - 1] = nt; | |
ba97e494 RM |
352 | } |
353 | free(o); | |
00ababe4 | 354 | return v; |
ba97e494 RM |
355 | } |
356 | ||
1f4c1525 | 357 | #ifdef INET |
91a44b91 RM |
358 | static int |
359 | parse_addr(struct in_addr *addr, struct in_addr *net, const char *arg) | |
360 | { | |
361 | char *p; | |
362 | int i; | |
363 | ||
2f7cb97c RM |
364 | if (arg == NULL || *arg == '\0') { |
365 | if (addr != NULL) | |
366 | addr->s_addr = 0; | |
367 | if (net != NULL) | |
368 | net->s_addr = 0; | |
91a44b91 | 369 | return 0; |
2f7cb97c | 370 | } |
91a44b91 RM |
371 | if ((p = strchr(arg, '/')) != NULL) { |
372 | *p++ = '\0'; | |
373 | if (net != NULL && | |
374 | (sscanf(p, "%d", &i) != 1 || | |
eab2229c | 375 | inet_cidrtoaddr(i, net) != 0)) |
91a44b91 RM |
376 | { |
377 | syslog(LOG_ERR, "`%s' is not a valid CIDR", p); | |
378 | return -1; | |
379 | } | |
00ababe4 | 380 | } |
2f7cb97c | 381 | |
91a44b91 RM |
382 | if (addr != NULL && inet_aton(arg, addr) == 0) { |
383 | syslog(LOG_ERR, "`%s' is not a valid IP address", arg); | |
384 | return -1; | |
385 | } | |
2f7cb97c | 386 | if (p != NULL) |
e095a6eb | 387 | *--p = '/'; |
2f7cb97c | 388 | else if (net != NULL) |
e88c525f | 389 | net->s_addr = ipv4_getnetmask(addr->s_addr); |
91a44b91 | 390 | return 0; |
1f4c1525 | 391 | } |
aae24feb | 392 | #else |
1f4c1525 RM |
393 | static int |
394 | parse_addr(__unused struct in_addr *addr, __unused struct in_addr *net, | |
395 | __unused const char *arg) | |
396 | { | |
397 | ||
aae24feb RM |
398 | syslog(LOG_ERR, "No IPv4 support"); |
399 | return -1; | |
91a44b91 | 400 | } |
1f4c1525 | 401 | #endif |
91a44b91 | 402 | |
00ababe4 | 403 | static const char * |
d7555c12 RM |
404 | set_option_space(const char *arg, const struct dhcp_opt **d, |
405 | struct if_options *ifo, | |
406 | uint8_t *request[], uint8_t *require[], uint8_t *no[]) | |
407 | { | |
408 | ||
aae24feb | 409 | #ifdef INET6 |
d7555c12 RM |
410 | if (strncmp(arg, "dhcp6_", strlen("dhcp6_")) == 0) { |
411 | *d = dhcp6_opts; | |
412 | *request = ifo->requestmask6; | |
413 | *require = ifo->requiremask6; | |
414 | *no = ifo->nomask6; | |
415 | return arg + strlen("dhcp6_"); | |
416 | } | |
aae24feb RM |
417 | #endif |
418 | ||
419 | #ifdef INET | |
d7555c12 | 420 | *d = dhcp_opts; |
aae24feb RM |
421 | #else |
422 | *d = NULL; | |
423 | #endif | |
d7555c12 RM |
424 | *request = ifo->requestmask; |
425 | *require = ifo->requiremask; | |
426 | *no = ifo->nomask; | |
427 | return arg; | |
428 | } | |
429 | ||
fd05b7dc RM |
430 | static int |
431 | parse_option(struct if_options *ifo, int opt, const char *arg) | |
432 | { | |
433 | int i; | |
fa245a4d | 434 | char *p = NULL, *fp, *np, **nconf; |
fd05b7dc | 435 | ssize_t s; |
e095a6eb | 436 | struct in_addr addr, addr2; |
fa245a4d | 437 | in_addr_t *naddr; |
91a44b91 | 438 | struct rt *rt; |
a2258eb3 | 439 | const struct dhcp_opt *d; |
d7555c12 | 440 | uint8_t *request, *require, *no; |
1f4c1525 RM |
441 | #ifdef INET6 |
442 | long l; | |
367f7b11 | 443 | uint32_t u32; |
1f4c1525 | 444 | size_t sl; |
00ababe4 RM |
445 | struct if_iaid *iaid; |
446 | uint8_t _iaid[4]; | |
5985c4e2 | 447 | struct if_sla *sla, *slap; |
1f4c1525 | 448 | #endif |
fd05b7dc | 449 | |
00ababe4 | 450 | i = 0; |
fd05b7dc | 451 | switch(opt) { |
5e2062a4 | 452 | case 'f': /* FALLTHROUGH */ |
6bfd88f1 | 453 | case 'g': /* FALLTHROUGH */ |
da166178 RM |
454 | case 'n': /* FALLTHROUGH */ |
455 | case 'x': /* FALLTHROUGH */ | |
dc60cba4 RM |
456 | case 'T': /* FALLTHROUGH */ |
457 | case 'U': /* We need to handle non interface options */ | |
fd05b7dc | 458 | break; |
03c2c879 RM |
459 | case 'b': |
460 | ifo->options |= DHCPCD_BACKGROUND; | |
461 | break; | |
fd05b7dc RM |
462 | case 'c': |
463 | strlcpy(ifo->script, arg, sizeof(ifo->script)); | |
464 | break; | |
acb1cf88 RM |
465 | case 'd': |
466 | ifo->options |= DHCPCD_DEBUG; | |
467 | break; | |
6bfd88f1 RM |
468 | case 'e': |
469 | add_environ(ifo, arg, 1); | |
470 | break; | |
fd05b7dc | 471 | case 'h': |
cc3c3560 RM |
472 | if (!arg) { |
473 | ifo->options |= DHCPCD_HOSTNAME; | |
474 | break; | |
475 | } | |
476 | s = parse_string(ifo->hostname, HOSTNAME_MAX_LEN, arg); | |
477 | if (s == -1) { | |
478 | syslog(LOG_ERR, "hostname: %m"); | |
479 | return -1; | |
480 | } | |
481 | if (s != 0 && ifo->hostname[0] == '.') { | |
482 | syslog(LOG_ERR, "hostname cannot begin with ."); | |
483 | return -1; | |
fd05b7dc | 484 | } |
cc3c3560 | 485 | ifo->hostname[s] = '\0'; |
ed913a59 RM |
486 | if (ifo->hostname[0] == '\0') |
487 | ifo->options &= ~DHCPCD_HOSTNAME; | |
488 | else | |
489 | ifo->options |= DHCPCD_HOSTNAME; | |
fd05b7dc RM |
490 | break; |
491 | case 'i': | |
492 | if (arg) | |
493 | s = parse_string((char *)ifo->vendorclassid + 1, | |
eab2229c | 494 | VENDORCLASSID_MAX_LEN, arg); |
fd05b7dc RM |
495 | else |
496 | s = 0; | |
497 | if (s == -1) { | |
765fbf7d | 498 | syslog(LOG_ERR, "vendorclassid: %m"); |
fd05b7dc RM |
499 | return -1; |
500 | } | |
501 | *ifo->vendorclassid = (uint8_t)s; | |
502 | break; | |
2662d519 RM |
503 | case 'k': |
504 | ifo->options |= DHCPCD_RELEASE; | |
505 | break; | |
fd05b7dc RM |
506 | case 'l': |
507 | if (*arg == '-') { | |
765fbf7d | 508 | syslog(LOG_ERR, |
eab2229c | 509 | "leasetime must be a positive value"); |
fd05b7dc RM |
510 | return -1; |
511 | } | |
512 | errno = 0; | |
513 | ifo->leasetime = (uint32_t)strtol(arg, NULL, 0); | |
514 | if (errno == EINVAL || errno == ERANGE) { | |
765fbf7d | 515 | syslog(LOG_ERR, "`%s' out of range", arg); |
fd05b7dc RM |
516 | return -1; |
517 | } | |
518 | break; | |
519 | case 'm': | |
520 | ifo->metric = atoint(arg); | |
521 | if (ifo->metric < 0) { | |
765fbf7d | 522 | syslog(LOG_ERR, "metric must be a positive value"); |
fd05b7dc RM |
523 | return -1; |
524 | } | |
525 | break; | |
526 | case 'o': | |
d7555c12 RM |
527 | arg = set_option_space(arg, &d, ifo, &request, &require, &no); |
528 | if (make_option_mask(d, request, arg, 1) != 0) { | |
765fbf7d | 529 | syslog(LOG_ERR, "unknown option `%s'", arg); |
fd05b7dc RM |
530 | return -1; |
531 | } | |
532 | break; | |
533 | case 'p': | |
534 | ifo->options |= DHCPCD_PERSISTENT; | |
535 | break; | |
03c2c879 RM |
536 | case 'q': |
537 | ifo->options |= DHCPCD_QUIET; | |
538 | break; | |
2f7cb97c | 539 | case 'r': |
2f7cb97c RM |
540 | if (parse_addr(&ifo->req_addr, NULL, arg) != 0) |
541 | return -1; | |
5b39d8f5 | 542 | ifo->options |= DHCPCD_REQUEST; |
2f7cb97c RM |
543 | ifo->req_mask.s_addr = 0; |
544 | break; | |
fd05b7dc | 545 | case 's': |
d7555c12 RM |
546 | if (ifo->options & DHCPCD_IPV6 && |
547 | !(ifo->options & DHCPCD_IPV4)) | |
548 | { | |
549 | ifo->options |= DHCPCD_INFORM; | |
550 | break; | |
551 | } | |
2f7cb97c RM |
552 | if (arg && *arg != '\0') { |
553 | if (parse_addr(&ifo->req_addr, &ifo->req_mask, | |
eab2229c | 554 | arg) != 0) |
91a44b91 | 555 | return -1; |
2f7cb97c RM |
556 | } else { |
557 | ifo->req_addr.s_addr = 0; | |
558 | ifo->req_mask.s_addr = 0; | |
fd05b7dc | 559 | } |
5b39d8f5 RM |
560 | ifo->options |= DHCPCD_INFORM | DHCPCD_PERSISTENT; |
561 | ifo->options &= ~(DHCPCD_ARP | DHCPCD_STATIC); | |
91a44b91 | 562 | break; |
fd05b7dc RM |
563 | case 't': |
564 | ifo->timeout = atoint(arg); | |
565 | if (ifo->timeout < 0) { | |
a2a9a498 | 566 | syslog(LOG_ERR, "timeout must be a positive value"); |
fd05b7dc RM |
567 | return -1; |
568 | } | |
569 | break; | |
570 | case 'u': | |
571 | s = USERCLASS_MAX_LEN - ifo->userclass[0] - 1; | |
eab2229c RM |
572 | s = parse_string((char *)ifo->userclass + |
573 | ifo->userclass[0] + 2, | |
574 | s, arg); | |
fd05b7dc | 575 | if (s == -1) { |
765fbf7d | 576 | syslog(LOG_ERR, "userclass: %m"); |
fd05b7dc RM |
577 | return -1; |
578 | } | |
579 | if (s != 0) { | |
580 | ifo->userclass[ifo->userclass[0] + 1] = s; | |
581 | ifo->userclass[0] += s + 1; | |
582 | } | |
583 | break; | |
584 | case 'v': | |
585 | p = strchr(arg, ','); | |
586 | if (!p || !p[1]) { | |
765fbf7d | 587 | syslog(LOG_ERR, "invalid vendor format"); |
fd05b7dc RM |
588 | return -1; |
589 | } | |
95d6dcfa RM |
590 | |
591 | /* If vendor starts with , then it is not encapsulated */ | |
592 | if (p == arg) { | |
593 | arg++; | |
594 | s = parse_string((char *)ifo->vendor + 1, | |
595 | VENDOR_MAX_LEN, arg); | |
596 | if (s == -1) { | |
597 | syslog(LOG_ERR, "vendor: %m"); | |
598 | return -1; | |
599 | } | |
600 | ifo->vendor[0] = (uint8_t)s; | |
601 | ifo->options |= DHCPCD_VENDORRAW; | |
602 | break; | |
603 | } | |
604 | ||
605 | /* Encapsulated vendor options */ | |
606 | if (ifo->options & DHCPCD_VENDORRAW) { | |
607 | ifo->options &= ~DHCPCD_VENDORRAW; | |
608 | ifo->vendor[0] = 0; | |
609 | } | |
610 | ||
fd05b7dc RM |
611 | *p = '\0'; |
612 | i = atoint(arg); | |
613 | arg = p + 1; | |
614 | if (i < 1 || i > 254) { | |
765fbf7d | 615 | syslog(LOG_ERR, "vendor option should be between" |
eab2229c | 616 | " 1 and 254 inclusive"); |
fd05b7dc RM |
617 | return -1; |
618 | } | |
619 | s = VENDOR_MAX_LEN - ifo->vendor[0] - 2; | |
620 | if (inet_aton(arg, &addr) == 1) { | |
621 | if (s < 6) { | |
622 | s = -1; | |
623 | errno = ENOBUFS; | |
624 | } else | |
625 | memcpy(ifo->vendor + ifo->vendor[0] + 3, | |
eab2229c | 626 | &addr.s_addr, sizeof(addr.s_addr)); |
fd05b7dc | 627 | } else { |
eab2229c RM |
628 | s = parse_string((char *)ifo->vendor + |
629 | ifo->vendor[0] + 3, s, arg); | |
fd05b7dc RM |
630 | } |
631 | if (s == -1) { | |
765fbf7d | 632 | syslog(LOG_ERR, "vendor: %m"); |
fd05b7dc RM |
633 | return -1; |
634 | } | |
635 | if (s != 0) { | |
636 | ifo->vendor[ifo->vendor[0] + 1] = i; | |
637 | ifo->vendor[ifo->vendor[0] + 2] = s; | |
638 | ifo->vendor[0] += s + 2; | |
639 | } | |
640 | break; | |
2a07a2af RM |
641 | case 'w': |
642 | ifo->options |= DHCPCD_WAITIP; | |
643 | break; | |
a2a9a498 RM |
644 | case 'y': |
645 | ifo->reboot = atoint(arg); | |
646 | if (ifo->reboot < 0) { | |
647 | syslog(LOG_ERR, "reboot must be a positive value"); | |
648 | return -1; | |
649 | } | |
650 | break; | |
d3088c74 | 651 | case 'z': |
378f8fa4 | 652 | ifav = splitv(&ifac, ifav, arg); |
d3088c74 | 653 | break; |
fd05b7dc RM |
654 | case 'A': |
655 | ifo->options &= ~DHCPCD_ARP; | |
656 | /* IPv4LL requires ARP */ | |
657 | ifo->options &= ~DHCPCD_IPV4LL; | |
658 | break; | |
03c2c879 RM |
659 | case 'B': |
660 | ifo->options &= ~DHCPCD_DAEMONISE; | |
661 | break; | |
fd05b7dc RM |
662 | case 'C': |
663 | /* Commas to spaces for shell */ | |
664 | while ((p = strchr(arg, ','))) | |
665 | *p = ' '; | |
666 | s = strlen("skip_hooks=") + strlen(arg) + 1; | |
28382337 RM |
667 | p = malloc(sizeof(char) * s); |
668 | if (p == NULL) { | |
669 | syslog(LOG_ERR, "%s: %m", __func__); | |
670 | return -1; | |
671 | } | |
fd05b7dc RM |
672 | snprintf(p, s, "skip_hooks=%s", arg); |
673 | add_environ(ifo, p, 0); | |
674 | free(p); | |
675 | break; | |
676 | case 'D': | |
c989b023 | 677 | ifo->options |= DHCPCD_CLIENTID | DHCPCD_DUID; |
fd05b7dc RM |
678 | break; |
679 | case 'E': | |
680 | ifo->options |= DHCPCD_LASTLEASE; | |
681 | break; | |
682 | case 'F': | |
683 | if (!arg) { | |
684 | ifo->fqdn = FQDN_BOTH; | |
685 | break; | |
686 | } | |
687 | if (strcmp(arg, "none") == 0) | |
688 | ifo->fqdn = FQDN_NONE; | |
689 | else if (strcmp(arg, "ptr") == 0) | |
690 | ifo->fqdn = FQDN_PTR; | |
691 | else if (strcmp(arg, "both") == 0) | |
692 | ifo->fqdn = FQDN_BOTH; | |
693 | else if (strcmp(arg, "disable") == 0) | |
694 | ifo->fqdn = FQDN_DISABLE; | |
695 | else { | |
765fbf7d | 696 | syslog(LOG_ERR, "invalid value `%s' for FQDN", arg); |
fd05b7dc RM |
697 | return -1; |
698 | } | |
699 | break; | |
700 | case 'G': | |
701 | ifo->options &= ~DHCPCD_GATEWAY; | |
702 | break; | |
4242c9b3 RM |
703 | case 'H': |
704 | ifo->options |= DHCPCD_XID_HWADDR; | |
705 | break; | |
fd05b7dc RM |
706 | case 'I': |
707 | /* Strings have a type of 0 */; | |
708 | ifo->clientid[1] = 0; | |
709 | if (arg) | |
710 | s = parse_string_hwaddr((char *)ifo->clientid + 1, | |
eab2229c | 711 | CLIENTID_MAX_LEN, arg, 1); |
fd05b7dc RM |
712 | else |
713 | s = 0; | |
714 | if (s == -1) { | |
765fbf7d | 715 | syslog(LOG_ERR, "clientid: %m"); |
fd05b7dc RM |
716 | return -1; |
717 | } | |
c989b023 | 718 | ifo->options |= DHCPCD_CLIENTID; |
fd05b7dc | 719 | ifo->clientid[0] = (uint8_t)s; |
fd05b7dc | 720 | break; |
900b3da4 RM |
721 | case 'J': |
722 | ifo->options |= DHCPCD_BROADCAST; | |
723 | break; | |
fd05b7dc RM |
724 | case 'K': |
725 | ifo->options &= ~DHCPCD_LINK; | |
726 | break; | |
727 | case 'L': | |
728 | ifo->options &= ~DHCPCD_IPV4LL; | |
729 | break; | |
730 | case 'O': | |
d7555c12 RM |
731 | arg = set_option_space(arg, &d, ifo, &request, &require, &no); |
732 | if (make_option_mask(d, request, arg, -1) != 0 || | |
733 | make_option_mask(d, require, arg, -1) != 0 || | |
734 | make_option_mask(d, no, arg, 1) != 0) | |
fd05b7dc | 735 | { |
765fbf7d | 736 | syslog(LOG_ERR, "unknown option `%s'", arg); |
fd05b7dc RM |
737 | return -1; |
738 | } | |
739 | break; | |
740 | case 'Q': | |
d7555c12 RM |
741 | arg = set_option_space(arg, &d, ifo, &request, &require, &no); |
742 | if (make_option_mask(d, require, arg, 1) != 0 || | |
743 | make_option_mask(d, request, arg, 1) != 0) | |
fd05b7dc | 744 | { |
765fbf7d | 745 | syslog(LOG_ERR, "unknown option `%s'", arg); |
fd05b7dc RM |
746 | return -1; |
747 | } | |
748 | break; | |
91a44b91 RM |
749 | case 'S': |
750 | p = strchr(arg, '='); | |
751 | if (p == NULL) { | |
752 | syslog(LOG_ERR, "static assignment required"); | |
753 | return -1; | |
754 | } | |
755 | p++; | |
756 | if (strncmp(arg, "ip_address=", strlen("ip_address=")) == 0) { | |
776961cf RM |
757 | if (parse_addr(&ifo->req_addr, |
758 | ifo->req_mask.s_addr == 0 ? &ifo->req_mask : NULL, | |
759 | p) != 0) | |
91a44b91 RM |
760 | return -1; |
761 | ||
762 | ifo->options |= DHCPCD_STATIC; | |
fa8b2a7a | 763 | ifo->options &= ~DHCPCD_INFORM; |
776961cf RM |
764 | } else if (strncmp(arg, "subnet_mask=", strlen("subnet_mask=")) == 0) { |
765 | if (parse_addr(&ifo->req_mask, NULL, p) != 0) | |
766 | return -1; | |
91a44b91 | 767 | } else if (strncmp(arg, "routes=", strlen("routes=")) == 0 || |
eab2229c RM |
768 | strncmp(arg, "static_routes=", strlen("static_routes=")) == 0 || |
769 | strncmp(arg, "classless_static_routes=", strlen("classless_static_routes=")) == 0 || | |
770 | strncmp(arg, "ms_classless_static_routes=", strlen("ms_classless_static_routes=")) == 0) | |
91a44b91 | 771 | { |
332a5fe6 | 772 | fp = np = strchr(p, ' '); |
91a44b91 RM |
773 | if (np == NULL) { |
774 | syslog(LOG_ERR, "all routes need a gateway"); | |
775 | return -1; | |
776 | } | |
777 | *np++ = '\0'; | |
778 | while (*np == ' ') | |
779 | np++; | |
780 | if (ifo->routes == NULL) { | |
4c9c4b3e RM |
781 | ifo->routes = malloc(sizeof(*ifo->routes)); |
782 | if (ifo->routes == NULL) { | |
10e17e3f | 783 | syslog(LOG_ERR, "%s: %m", __func__); |
10e17e3f RM |
784 | return -1; |
785 | } | |
673e81e5 | 786 | TAILQ_INIT(ifo->routes); |
4c9c4b3e RM |
787 | } |
788 | rt = malloc(sizeof(*rt)); | |
789 | if (rt == NULL) { | |
790 | syslog(LOG_ERR, "%s: %m", __func__); | |
791 | *fp = ' '; | |
792 | return -1; | |
91a44b91 | 793 | } |
91a44b91 RM |
794 | if (parse_addr(&rt->dest, &rt->net, p) == -1 || |
795 | parse_addr(&rt->gate, NULL, np) == -1) | |
332a5fe6 | 796 | { |
4c9c4b3e | 797 | free(rt); |
332a5fe6 | 798 | *fp = ' '; |
91a44b91 | 799 | return -1; |
332a5fe6 | 800 | } |
4c9c4b3e | 801 | TAILQ_INSERT_TAIL(ifo->routes, rt, next); |
332a5fe6 | 802 | *fp = ' '; |
91a44b91 RM |
803 | } else if (strncmp(arg, "routers=", strlen("routers=")) == 0) { |
804 | if (ifo->routes == NULL) { | |
4c9c4b3e RM |
805 | ifo->routes = malloc(sizeof(*ifo->routes)); |
806 | if (ifo->routes == NULL) { | |
10e17e3f RM |
807 | syslog(LOG_ERR, "%s: %m", __func__); |
808 | return -1; | |
809 | } | |
00ababe4 | 810 | TAILQ_INIT(ifo->routes); |
4c9c4b3e RM |
811 | } |
812 | rt = malloc(sizeof(*rt)); | |
813 | if (rt == NULL) { | |
814 | syslog(LOG_ERR, "%s: %m", __func__); | |
815 | return -1; | |
91a44b91 | 816 | } |
1abffd5b RM |
817 | rt->dest.s_addr = INADDR_ANY; |
818 | rt->net.s_addr = INADDR_ANY; | |
4c9c4b3e RM |
819 | if (parse_addr(&rt->gate, NULL, p) == -1) { |
820 | free(rt); | |
91a44b91 | 821 | return -1; |
4c9c4b3e RM |
822 | } |
823 | TAILQ_INSERT_TAIL(ifo->routes, rt, next); | |
91a44b91 RM |
824 | } else { |
825 | s = 0; | |
826 | if (ifo->config != NULL) { | |
827 | while (ifo->config[s] != NULL) { | |
eab2229c RM |
828 | if (strncmp(ifo->config[s], arg, |
829 | p - arg) == 0) | |
830 | { | |
78369646 RM |
831 | p = strdup(arg); |
832 | if (p == NULL) { | |
833 | syslog(LOG_ERR, | |
834 | "%s: %m", __func__); | |
835 | return -1; | |
836 | } | |
91a44b91 | 837 | free(ifo->config[s]); |
78369646 | 838 | ifo->config[s] = p; |
91a44b91 RM |
839 | return 1; |
840 | } | |
841 | s++; | |
842 | } | |
843 | } | |
78369646 | 844 | p = strdup(arg); |
fa245a4d RM |
845 | if (p == NULL) { |
846 | syslog(LOG_ERR, "%s: %m", __func__); | |
847 | return -1; | |
848 | } | |
78369646 RM |
849 | nconf = realloc(ifo->config, sizeof(char *) * (s + 2)); |
850 | if (nconf == NULL) { | |
851 | syslog(LOG_ERR, "%s: %m", __func__); | |
852 | return -1; | |
853 | } | |
fa245a4d | 854 | ifo->config = nconf; |
78369646 | 855 | ifo->config[s] = p; |
91a44b91 RM |
856 | ifo->config[s + 1] = NULL; |
857 | } | |
858 | break; | |
bf80d526 RM |
859 | case 'W': |
860 | if (parse_addr(&addr, &addr2, arg) != 0) | |
861 | return -1; | |
862 | if (strchr(arg, '/') == NULL) | |
863 | addr2.s_addr = INADDR_BROADCAST; | |
fa245a4d | 864 | naddr = realloc(ifo->whitelist, |
bf80d526 | 865 | sizeof(in_addr_t) * (ifo->whitelist_len + 2)); |
fa245a4d RM |
866 | if (naddr == NULL) { |
867 | syslog(LOG_ERR, "%s: %m", __func__); | |
868 | return -1; | |
869 | } | |
870 | ifo->whitelist = naddr; | |
bf80d526 RM |
871 | ifo->whitelist[ifo->whitelist_len++] = addr.s_addr; |
872 | ifo->whitelist[ifo->whitelist_len++] = addr2.s_addr; | |
873 | break; | |
fd05b7dc | 874 | case 'X': |
e095a6eb | 875 | if (parse_addr(&addr, &addr2, arg) != 0) |
fd05b7dc | 876 | return -1; |
ce6b39df RM |
877 | if (strchr(arg, '/') == NULL) |
878 | addr2.s_addr = INADDR_BROADCAST; | |
fa245a4d | 879 | naddr = realloc(ifo->blacklist, |
e095a6eb | 880 | sizeof(in_addr_t) * (ifo->blacklist_len + 2)); |
fa245a4d RM |
881 | if (naddr == NULL) { |
882 | syslog(LOG_ERR, "%s: %m", __func__); | |
883 | return -1; | |
884 | } | |
885 | ifo->blacklist = naddr; | |
e095a6eb RM |
886 | ifo->blacklist[ifo->blacklist_len++] = addr.s_addr; |
887 | ifo->blacklist[ifo->blacklist_len++] = addr2.s_addr; | |
fd05b7dc | 888 | break; |
d3088c74 | 889 | case 'Z': |
378f8fa4 | 890 | ifdv = splitv(&ifdc, ifdv, arg); |
d3088c74 | 891 | break; |
d7555c12 | 892 | case '4': |
2f0addfd | 893 | ifo->options &= ~DHCPCD_IPV6; |
d7555c12 RM |
894 | ifo->options |= DHCPCD_IPV4; |
895 | break; | |
896 | case '6': | |
897 | ifo->options &= ~DHCPCD_IPV4; | |
2f0addfd | 898 | ifo->options |= DHCPCD_IPV6; |
d7555c12 | 899 | break; |
aae24feb | 900 | #ifdef INET |
4ca7460f RM |
901 | case O_ARPING: |
902 | if (parse_addr(&addr, NULL, arg) != 0) | |
903 | return -1; | |
fa245a4d | 904 | naddr = realloc(ifo->arping, |
4ca7460f | 905 | sizeof(in_addr_t) * (ifo->arping_len + 1)); |
fa245a4d RM |
906 | if (naddr == NULL) { |
907 | syslog(LOG_ERR, "%s: %m", __func__); | |
908 | return -1; | |
909 | } | |
910 | ifo->arping = naddr; | |
4ca7460f RM |
911 | ifo->arping[ifo->arping_len++] = addr.s_addr; |
912 | break; | |
41c60e02 | 913 | case O_DESTINATION: |
d7555c12 | 914 | if (make_option_mask(dhcp_opts, ifo->dstmask, arg, 2) != 0) { |
41c60e02 RM |
915 | if (errno == EINVAL) |
916 | syslog(LOG_ERR, "option `%s' does not take" | |
917 | " an IPv4 address", arg); | |
918 | else | |
919 | syslog(LOG_ERR, "unknown option `%s'", arg); | |
920 | return -1; | |
921 | } | |
922 | break; | |
ff021b0b RM |
923 | case O_FALLBACK: |
924 | free(ifo->fallback); | |
78369646 RM |
925 | ifo->fallback = strdup(arg); |
926 | if (ifo->fallback == NULL) { | |
927 | syslog(LOG_ERR, "%s: %m", __func__); | |
00ababe4 | 928 | return -1; |
78369646 | 929 | } |
ff021b0b | 930 | break; |
aae24feb | 931 | #endif |
eebe9a18 RM |
932 | case O_IPV6RS: |
933 | ifo->options |= DHCPCD_IPV6RS; | |
934 | break; | |
91cd7324 | 935 | case O_NOIPV6RS: |
61dd6cf9 RM |
936 | ifo->options &= ~DHCPCD_IPV6RS; |
937 | break; | |
eebe9a18 | 938 | case O_IPV6RA_FORK: |
61dd6cf9 | 939 | ifo->options &= ~DHCPCD_IPV6RA_REQRDNSS; |
91cd7324 | 940 | break; |
eebe9a18 RM |
941 | case O_IPV6RA_OWN: |
942 | ifo->options |= DHCPCD_IPV6RA_OWN; | |
943 | break; | |
944 | case O_IPV6RA_OWN_D: | |
945 | ifo->options |= DHCPCD_IPV6RA_OWN_DEFAULT; | |
946 | break; | |
7dab081f RM |
947 | case O_NOALIAS: |
948 | ifo->options |= DHCPCD_NOALIAS; | |
949 | break; | |
00ababe4 RM |
950 | #ifdef INET6 |
951 | case O_IA_NA: | |
952 | i = D6_OPTION_IA_NA; | |
953 | /* FALLTHROUGH */ | |
954 | case O_IA_TA: | |
955 | if (i == 0) | |
956 | i = D6_OPTION_IA_TA; | |
957 | /* FALLTHROUGH */ | |
958 | case O_IA_PD: | |
959 | if (i == 0) | |
960 | i = D6_OPTION_IA_PD; | |
961 | ifo->options |= DHCPCD_IA_FORCED; | |
962 | if (ifo->ia_type != 0 && ifo->ia_type != i) { | |
963 | syslog(LOG_ERR, "cannot specify a different IA type"); | |
964 | return -1; | |
965 | } | |
966 | ifo->ia_type = i; | |
967 | if (arg == NULL) | |
968 | break; | |
969 | fp = strchr(arg, ' '); | |
eade34fd RM |
970 | if (fp) |
971 | *fp++ = '\0'; | |
367f7b11 RM |
972 | errno = 0; |
973 | l = strtol(arg, &np, 0); | |
7784695d RM |
974 | if (l >= 0 && l <= (long)UINT32_MAX && |
975 | errno == 0 && *np == '\0') | |
976 | { | |
367f7b11 RM |
977 | u32 = htonl(l); |
978 | memcpy(&_iaid, &u32, sizeof(_iaid)); | |
979 | goto got_iaid; | |
980 | } | |
00ababe4 RM |
981 | if ((s = parse_string((char *)_iaid, sizeof(_iaid), arg)) < 1) { |
982 | syslog(LOG_ERR, "%s: invalid IAID", arg); | |
983 | return -1; | |
984 | } | |
985 | if (s < 4) | |
986 | _iaid[3] = '\0'; | |
987 | if (s < 3) | |
988 | _iaid[2] = '\0'; | |
989 | if (s < 2) | |
990 | _iaid[1] = '\0'; | |
367f7b11 | 991 | got_iaid: |
00ababe4 RM |
992 | iaid = NULL; |
993 | for (sl = 0; sl < ifo->iaid_len; sl++) { | |
994 | if (ifo->iaid[sl].iaid[0] == _iaid[0] && | |
995 | ifo->iaid[sl].iaid[1] == _iaid[1] && | |
996 | ifo->iaid[sl].iaid[2] == _iaid[2] && | |
997 | ifo->iaid[sl].iaid[3] == _iaid[3]) | |
998 | { | |
999 | iaid = &ifo->iaid[sl]; | |
1000 | break; | |
1001 | } | |
1002 | } | |
1003 | if (iaid == NULL) { | |
1004 | iaid = realloc(ifo->iaid, | |
1005 | sizeof(*ifo->iaid) * (ifo->iaid_len + 1)); | |
1006 | if (iaid == NULL) { | |
1007 | syslog(LOG_ERR, "%s: %m", __func__); | |
1008 | return -1; | |
1009 | } | |
1010 | ifo->iaid = iaid; | |
1011 | iaid = &ifo->iaid[ifo->iaid_len++]; | |
1012 | iaid->iaid[0] = _iaid[0]; | |
1013 | iaid->iaid[1] = _iaid[1]; | |
1014 | iaid->iaid[2] = _iaid[2]; | |
1015 | iaid->iaid[3] = _iaid[3]; | |
1016 | iaid->sla = NULL; | |
1017 | iaid->sla_len = 0; | |
1018 | } | |
1019 | for (p = fp; p; p = fp) { | |
1020 | fp = strchr(p, ' '); | |
1021 | if (fp) | |
1022 | *fp++ = '\0'; | |
1023 | sla = realloc(iaid->sla, | |
1024 | sizeof(*iaid->sla) * (iaid->sla_len + 1)); | |
1025 | if (sla == NULL) { | |
1026 | syslog(LOG_ERR, "%s: %m", __func__); | |
1027 | return -1; | |
1028 | } | |
1029 | iaid->sla = sla; | |
1030 | sla = &iaid->sla[iaid->sla_len++]; | |
1031 | np = strchr(p, '/'); | |
1032 | if (np) | |
1033 | *np++ = '\0'; | |
00ababe4 RM |
1034 | if (strlcpy(sla->ifname, p, |
1035 | sizeof(sla->ifname)) >= sizeof(sla->ifname)) | |
1036 | { | |
1037 | syslog(LOG_ERR, "%s: interface name too long", | |
1038 | arg); | |
1039 | return -1; | |
1040 | } | |
1041 | p = np; | |
367f7b11 RM |
1042 | if (p) { |
1043 | np = strchr(p, '/'); | |
1044 | if (np) | |
1045 | *np++ = '\0'; | |
83919266 RM |
1046 | if (*p == '\0') |
1047 | sla->sla_set = 0; | |
1048 | else { | |
1049 | errno = 0; | |
1050 | sla->sla = atoint(p); | |
1051 | sla->sla_set = 1; | |
1052 | if (errno) | |
1053 | return -1; | |
1054 | } | |
367f7b11 RM |
1055 | if (np) { |
1056 | sla->prefix_len = atoint(np); | |
1057 | if (sla->prefix_len < 0 || | |
1058 | sla->prefix_len > 128) | |
1059 | return -1; | |
1060 | } else | |
1061 | sla->prefix_len = 64; | |
5985c4e2 RM |
1062 | } else { |
1063 | sla->sla_set = 0; | |
1064 | /* Sanity - check there are no more | |
1065 | * unspecified SLA's */ | |
1066 | for (sl = 0; sl < iaid->sla_len - 1; sl++) { | |
1067 | slap = &iaid->sla[sl]; | |
1068 | if (slap->sla_set == 0 && | |
1069 | strcmp(slap->ifname, sla->ifname) | |
1070 | == 0) | |
1071 | { | |
1072 | syslog(LOG_WARNING, | |
1073 | "%s: cannot specify the " | |
1074 | "same interface twice with " | |
1075 | "an automatic SLA", | |
1076 | sla->ifname); | |
1077 | iaid->sla_len--; | |
1078 | break; | |
1079 | } | |
1080 | } | |
367f7b11 | 1081 | } |
00ababe4 RM |
1082 | } |
1083 | break; | |
d6a18654 | 1084 | case O_HOSTNAME_SHORT: |
9c54b11b | 1085 | ifo->options |= DHCPCD_HOSTNAME | DHCPCD_HOSTNAME_SHORT; |
d6a18654 | 1086 | break; |
00ababe4 | 1087 | #endif |
fd05b7dc RM |
1088 | default: |
1089 | return 0; | |
1090 | } | |
1091 | ||
1092 | return 1; | |
1093 | } | |
1094 | ||
1095 | static int | |
1096 | parse_config_line(struct if_options *ifo, const char *opt, char *line) | |
1097 | { | |
1098 | unsigned int i; | |
1099 | ||
1100 | for (i = 0; i < sizeof(cf_options) / sizeof(cf_options[0]); i++) { | |
1101 | if (!cf_options[i].name || | |
1102 | strcmp(cf_options[i].name, opt) != 0) | |
1103 | continue; | |
1104 | ||
1105 | if (cf_options[i].has_arg == required_argument && !line) { | |
1106 | fprintf(stderr, | |
eab2229c RM |
1107 | PACKAGE ": option requires an argument -- %s\n", |
1108 | opt); | |
fd05b7dc RM |
1109 | return -1; |
1110 | } | |
1111 | ||
1112 | return parse_option(ifo, cf_options[i].val, line); | |
1113 | } | |
1114 | ||
1115 | fprintf(stderr, PACKAGE ": unknown option -- %s\n", opt); | |
1116 | return -1; | |
1117 | } | |
1118 | ||
741f46c6 | 1119 | static void |
b0272a9d | 1120 | finish_config(struct if_options *ifo) |
741f46c6 RM |
1121 | { |
1122 | ||
1123 | /* Terminate the encapsulated options */ | |
1124 | if (ifo->vendor[0] && !(ifo->options & DHCPCD_VENDORRAW)) { | |
1125 | ifo->vendor[0]++; | |
1126 | ifo->vendor[ifo->vendor[0]] = DHO_END; | |
1127 | } | |
b0272a9d | 1128 | } |
741f46c6 RM |
1129 | |
1130 | #ifdef INET6 | |
b0272a9d RM |
1131 | static void |
1132 | finish_config6(struct if_options *ifo, const char *ifname) | |
1133 | { | |
1134 | ||
741f46c6 RM |
1135 | if (!(ifo->options & DHCPCD_IPV6)) |
1136 | ifo->options &= ~DHCPCD_IPV6RS; | |
1137 | ||
1138 | if (ifname && ifo->iaid_len == 0 && ifo->options & DHCPCD_IPV6) { | |
1139 | ifo->iaid = malloc(sizeof(*ifo->iaid)); | |
1140 | if (ifo->iaid == NULL) | |
1141 | syslog(LOG_ERR, "%s: %m", __func__); | |
1142 | else { | |
1143 | if (ifo->ia_type == 0) | |
1144 | ifo->ia_type = D6_OPTION_IA_NA; | |
1145 | ifo->iaid_len = strlen(ifname); | |
1146 | if (ifo->iaid_len <= sizeof(ifo->iaid->iaid)) { | |
1147 | strncpy((char *)ifo->iaid->iaid, ifname, | |
1148 | sizeof(ifo->iaid->iaid)); | |
1149 | memset(ifo->iaid->iaid + ifo->iaid_len, 0, | |
1150 | sizeof(ifo->iaid->iaid) -ifo->iaid_len); | |
1151 | } else { | |
1152 | uint32_t idx = if_nametoindex(ifname); | |
1153 | memcpy(ifo->iaid->iaid, &idx, sizeof(idx)); | |
1154 | } | |
1155 | ifo->iaid_len = 1; | |
1156 | ifo->iaid->sla = NULL; | |
1157 | ifo->iaid->sla_len = 0; | |
1158 | } | |
a7386a6e | 1159 | } |
741f46c6 | 1160 | } |
b0272a9d | 1161 | #endif |
741f46c6 | 1162 | |
fd05b7dc | 1163 | struct if_options * |
6f767217 RM |
1164 | read_config(const char *file, |
1165 | const char *ifname, const char *ssid, const char *profile) | |
fd05b7dc RM |
1166 | { |
1167 | struct if_options *ifo; | |
1168 | FILE *f; | |
27805e96 | 1169 | char *line, *option, *p; |
6f767217 | 1170 | int skip = 0, have_profile = 0; |
fd05b7dc RM |
1171 | |
1172 | /* Seed our default options */ | |
10e17e3f RM |
1173 | ifo = calloc(1, sizeof(*ifo)); |
1174 | if (ifo == NULL) { | |
1175 | syslog(LOG_ERR, "%s: %m", __func__); | |
1176 | return NULL; | |
1177 | } | |
aae24feb RM |
1178 | ifo->options |= DHCPCD_DAEMONISE | DHCPCD_LINK; |
1179 | #ifdef INET | |
d7555c12 | 1180 | ifo->options |= DHCPCD_IPV4 | DHCPCD_IPV4LL; |
00ababe4 | 1181 | ifo->options |= DHCPCD_GATEWAY | DHCPCD_ARP; |
aae24feb RM |
1182 | #endif |
1183 | #ifdef INET6 | |
d7555c12 | 1184 | ifo->options |= DHCPCD_IPV6 | DHCPCD_IPV6RS | DHCPCD_IPV6RA_REQRDNSS; |
66fd5d67 | 1185 | ifo->dadtransmits = ipv6_dadtransmits(ifname); |
aae24feb | 1186 | #endif |
fd05b7dc | 1187 | ifo->timeout = DEFAULT_TIMEOUT; |
a2a9a498 | 1188 | ifo->reboot = DEFAULT_REBOOT; |
f43e5853 | 1189 | ifo->metric = -1; |
ed913a59 | 1190 | strlcpy(ifo->script, SCRIPT, sizeof(ifo->script)); |
793c4286 | 1191 | |
27805e96 RM |
1192 | ifo->vendorclassid[0] = strlen(vendor); |
1193 | memcpy(ifo->vendorclassid + 1, vendor, ifo->vendorclassid[0]); | |
fd05b7dc RM |
1194 | |
1195 | /* Parse our options file */ | |
9f7780b0 | 1196 | f = fopen(file ? file : CONFIG, "r"); |
5e2062a4 RM |
1197 | if (f == NULL) { |
1198 | if (file != NULL) | |
1199 | syslog(LOG_ERR, "fopen `%s': %m", file); | |
fd05b7dc | 1200 | return ifo; |
5e2062a4 | 1201 | } |
fd05b7dc | 1202 | |
e1caa8db RM |
1203 | while ((line = get_line(f))) { |
1204 | option = strsep(&line, " \t"); | |
fd05b7dc RM |
1205 | /* Trim trailing whitespace */ |
1206 | if (line && *line) { | |
1207 | p = line + strlen(line) - 1; | |
1208 | while (p != line && | |
eab2229c RM |
1209 | (*p == ' ' || *p == '\t') && |
1210 | *(p - 1) != '\\') | |
fd05b7dc RM |
1211 | *p-- = '\0'; |
1212 | } | |
1213 | /* Start of an interface block, skip if not ours */ | |
1214 | if (strcmp(option, "interface") == 0) { | |
1215 | if (ifname && line && strcmp(line, ifname) == 0) | |
1216 | skip = 0; | |
1217 | else | |
1218 | skip = 1; | |
1219 | continue; | |
c53cf4ef RM |
1220 | } |
1221 | /* Start of an ssid block, skip if not ours */ | |
1222 | if (strcmp(option, "ssid") == 0) { | |
1223 | if (ssid && line && strcmp(line, ssid) == 0) | |
1224 | skip = 0; | |
1225 | else | |
1226 | skip = 1; | |
1227 | continue; | |
fd05b7dc | 1228 | } |
6f767217 RM |
1229 | /* Start of a profile block, skip if not ours */ |
1230 | if (strcmp(option, "profile") == 0) { | |
1231 | if (profile && line && strcmp(line, profile) == 0) { | |
1232 | skip = 0; | |
1233 | have_profile = 1; | |
1234 | } else | |
1235 | skip = 1; | |
1236 | continue; | |
1237 | } | |
fd05b7dc RM |
1238 | if (skip) |
1239 | continue; | |
378f8fa4 | 1240 | parse_config_line(ifo, option, line); |
fd05b7dc | 1241 | } |
fd05b7dc RM |
1242 | fclose(f); |
1243 | ||
6f767217 RM |
1244 | if (profile && !have_profile) { |
1245 | free_options(ifo); | |
1246 | errno = ENOENT; | |
1247 | ifo = NULL; | |
1248 | } | |
1249 | ||
b0272a9d RM |
1250 | finish_config(ifo); |
1251 | #ifdef INET6 | |
1252 | finish_config6(ifo, ifname); | |
1253 | #endif | |
fd05b7dc RM |
1254 | return ifo; |
1255 | } | |
1256 | ||
1257 | int | |
1258 | add_options(struct if_options *ifo, int argc, char **argv) | |
1259 | { | |
29c0fd6f RM |
1260 | int oi, opt, r; |
1261 | ||
1262 | if (argc == 0) | |
1263 | return 1; | |
fd05b7dc RM |
1264 | |
1265 | optind = 0; | |
29c0fd6f | 1266 | r = 1; |
fd05b7dc RM |
1267 | while ((opt = getopt_long(argc, argv, IF_OPTS, cf_options, &oi)) != -1) |
1268 | { | |
1269 | r = parse_option(ifo, opt, optarg); | |
1270 | if (r != 1) | |
1271 | break; | |
1272 | } | |
741f46c6 | 1273 | |
b0272a9d RM |
1274 | finish_config(ifo); |
1275 | #ifdef INET6 | |
1276 | finish_config6(ifo, NULL); | |
1277 | #endif | |
fd05b7dc RM |
1278 | return r; |
1279 | } | |
1280 | ||
1281 | void | |
1282 | free_options(struct if_options *ifo) | |
1283 | { | |
1284 | size_t i; | |
1285 | ||
f43e5853 RM |
1286 | if (ifo) { |
1287 | if (ifo->environ) { | |
1288 | i = 0; | |
1289 | while (ifo->environ[i]) | |
1290 | free(ifo->environ[i++]); | |
1291 | free(ifo->environ); | |
1292 | } | |
91a44b91 RM |
1293 | if (ifo->config) { |
1294 | i = 0; | |
1295 | while (ifo->config[i]) | |
1296 | free(ifo->config[i++]); | |
1297 | free(ifo->config); | |
1298 | } | |
e88c525f | 1299 | ipv4_freeroutes(ifo->routes); |
ff021b0b | 1300 | free(ifo->arping); |
f43e5853 | 1301 | free(ifo->blacklist); |
ff021b0b | 1302 | free(ifo->fallback); |
00ababe4 RM |
1303 | #ifdef INET6 |
1304 | for (i = 0; i < ifo->iaid_len; i++) | |
1305 | free(ifo->iaid[i].sla); | |
1306 | free(ifo->iaid); | |
1307 | #endif | |
f43e5853 | 1308 | free(ifo); |
fd05b7dc | 1309 | } |
fd05b7dc | 1310 | } |