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Commit | Line | Data |
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bfff8b1b | 1 | /* Copyright (c) 1998-2017 Free Software Foundation, Inc. |
7d6a8338 | 2 | This file is part of the GNU C Library. |
ce75c139 | 3 | Contributed by Thorsten Kukuk <kukuk@suse.de>, 1998. |
7d6a8338 UD |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or | |
41bdb6e2 AJ |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
7d6a8338 UD |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 13 | Lesser General Public License for more details. |
7d6a8338 | 14 | |
41bdb6e2 | 15 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 PE |
16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
7d6a8338 | 18 | |
232b4655 | 19 | /* getent: get entries from administrative database. */ |
7d6a8338 | 20 | |
232b4655 | 21 | #include <aliases.h> |
7d6a8338 | 22 | #include <argp.h> |
7d6a8338 UD |
23 | #include <ctype.h> |
24 | #include <error.h> | |
ff3cacc5 | 25 | #include <grp.h> |
c518f9a4 | 26 | #include <gshadow.h> |
7d6a8338 UD |
27 | #include <libintl.h> |
28 | #include <locale.h> | |
ff3cacc5 | 29 | #include <mcheck.h> |
7d6a8338 | 30 | #include <netdb.h> |
ff3cacc5 UD |
31 | #include <pwd.h> |
32 | #include <shadow.h> | |
a160f8d8 | 33 | #include <stdbool.h> |
7d6a8338 UD |
34 | #include <stdio.h> |
35 | #include <stdlib.h> | |
36 | #include <string.h> | |
7d6a8338 | 37 | #include <arpa/inet.h> |
ce75c139 | 38 | #include <arpa/nameser.h> |
ff3cacc5 UD |
39 | #include <netinet/ether.h> |
40 | #include <netinet/in.h> | |
41 | #include <sys/socket.h> | |
7d6a8338 UD |
42 | |
43 | /* Get libc version number. */ | |
44 | #include <version.h> | |
45 | ||
46 | #define PACKAGE _libc_intl_domainname | |
47 | ||
48 | /* Name and version of program. */ | |
49 | static void print_version (FILE *stream, struct argp_state *state); | |
50 | void (*argp_program_version_hook) (FILE *, struct argp_state *) = print_version; | |
51 | ||
52 | /* Short description of parameters. */ | |
53 | static const char args_doc[] = N_("database [key ...]"); | |
54 | ||
9d0881aa UD |
55 | /* Supported options. */ |
56 | static const struct argp_option args_options[] = | |
57 | { | |
0e2b9cdd | 58 | { "service", 's', N_("CONFIG"), 0, N_("Service configuration to be used") }, |
a160f8d8 | 59 | { "no-idn", 'i', NULL, 0, N_("disable IDN encoding") }, |
9d0881aa UD |
60 | { NULL, 0, NULL, 0, NULL }, |
61 | }; | |
62 | ||
f69425fa | 63 | /* Short description of program. */ |
cbbcaf23 | 64 | static const char doc[] = N_("Get entries from administrative database."); |
f69425fa | 65 | |
9d0881aa UD |
66 | /* Prototype for option handler. */ |
67 | static error_t parse_option (int key, char *arg, struct argp_state *state); | |
68 | ||
f69425fa UD |
69 | /* Function to print some extra text in the help message. */ |
70 | static char *more_help (int key, const char *text, void *input); | |
71 | ||
7d6a8338 | 72 | /* Data structure to communicate with argp functions. */ |
9d0881aa UD |
73 | static struct argp argp = |
74 | { | |
f69425fa | 75 | args_options, parse_option, args_doc, doc, NULL, more_help |
9d0881aa | 76 | }; |
7d6a8338 | 77 | |
a160f8d8 UD |
78 | /* Additional getaddrinfo flags for IDN encoding. */ |
79 | static int idn_flags = AI_IDN | AI_CANONIDN; | |
80 | ||
7d6a8338 UD |
81 | /* Print the version information. */ |
82 | static void | |
83 | print_version (FILE *stream, struct argp_state *state) | |
84 | { | |
8b748aed | 85 | fprintf (stream, "getent %s%s\n", PKGVERSION, VERSION); |
7d6a8338 UD |
86 | fprintf (stream, gettext ("\ |
87 | Copyright (C) %s Free Software Foundation, Inc.\n\ | |
88 | This is free software; see the source for copying conditions. There is NO\n\ | |
89 | warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\ | |
58b587c1 | 90 | "), "2017"); |
7d6a8338 UD |
91 | fprintf (stream, gettext ("Written by %s.\n"), "Thorsten Kukuk"); |
92 | } | |
93 | ||
232b4655 | 94 | /* This is for aliases */ |
f1d70dad | 95 | static void |
232b4655 UD |
96 | print_aliases (struct aliasent *alias) |
97 | { | |
98 | unsigned int i = 0; | |
99 | ||
100 | printf ("%s: ", alias->alias_name); | |
101 | for (i = strlen (alias->alias_name); i < 14; ++i) | |
9d0881aa | 102 | fputs_unlocked (" ", stdout); |
232b4655 | 103 | |
9d0881aa | 104 | for (i = 0; i < alias->alias_members_len; ++i) |
232b4655 UD |
105 | printf ("%s%s", |
106 | alias->alias_members [i], | |
107 | i + 1 == alias->alias_members_len ? "\n" : ", "); | |
108 | } | |
109 | ||
110 | static int | |
111 | aliases_keys (int number, char *key[]) | |
112 | { | |
113 | int result = 0; | |
114 | int i; | |
115 | struct aliasent *alias; | |
116 | ||
9d0881aa | 117 | if (number == 0) |
232b4655 UD |
118 | { |
119 | setaliasent (); | |
9d0881aa | 120 | while ((alias = getaliasent ()) != NULL) |
232b4655 UD |
121 | print_aliases (alias); |
122 | endaliasent (); | |
123 | return result; | |
124 | } | |
125 | ||
126 | for (i = 0; i < number; ++i) | |
127 | { | |
128 | alias = getaliasbyname (key[i]); | |
129 | ||
130 | if (alias == NULL) | |
131 | result = 2; | |
132 | else | |
133 | print_aliases (alias); | |
134 | } | |
135 | ||
136 | return result; | |
137 | } | |
138 | ||
139 | /* This is for ethers */ | |
140 | static int | |
141 | ethers_keys (int number, char *key[]) | |
142 | { | |
143 | int result = 0; | |
144 | int i; | |
145 | ||
9d0881aa | 146 | if (number == 0) |
232b4655 UD |
147 | { |
148 | fprintf (stderr, _("Enumeration not supported on %s\n"), "ethers"); | |
149 | return 3; | |
150 | } | |
151 | ||
152 | for (i = 0; i < number; ++i) | |
153 | { | |
154 | struct ether_addr *ethp, eth; | |
155 | char buffer [1024], *p; | |
156 | ||
157 | ethp = ether_aton (key[i]); | |
9d0881aa | 158 | if (ethp != NULL) |
232b4655 UD |
159 | { |
160 | if (ether_ntohost (buffer, ethp)) | |
161 | { | |
162 | result = 2; | |
163 | continue; | |
164 | } | |
165 | p = buffer; | |
166 | } | |
167 | else | |
168 | { | |
169 | if (ether_hostton (key[i], ð)) | |
170 | { | |
171 | result = 2; | |
172 | continue; | |
173 | } | |
174 | p = key[i]; | |
175 | ethp = ð | |
176 | } | |
177 | printf ("%s %s\n", ether_ntoa (ethp), p); | |
178 | } | |
179 | ||
180 | return result; | |
181 | } | |
182 | ||
7d6a8338 | 183 | /* This is for group */ |
f1d70dad | 184 | static void |
7d6a8338 UD |
185 | print_group (struct group *grp) |
186 | { | |
676599b3 FW |
187 | if (putgrent (grp, stdout) != 0) |
188 | fprintf (stderr, "error writing group entry: %m\n"); | |
7d6a8338 UD |
189 | } |
190 | ||
232b4655 | 191 | static int |
7d6a8338 UD |
192 | group_keys (int number, char *key[]) |
193 | { | |
194 | int result = 0; | |
195 | int i; | |
232b4655 | 196 | struct group *grp; |
7d6a8338 | 197 | |
9d0881aa | 198 | if (number == 0) |
7d6a8338 | 199 | { |
232b4655 | 200 | setgrent (); |
9d0881aa | 201 | while ((grp = getgrent ()) != NULL) |
232b4655 UD |
202 | print_group (grp); |
203 | endgrent (); | |
204 | return result; | |
205 | } | |
7d6a8338 | 206 | |
232b4655 UD |
207 | for (i = 0; i < number; ++i) |
208 | { | |
9030e7c4 UD |
209 | errno = 0; |
210 | char *ep; | |
211 | gid_t arg_gid = strtoul(key[i], &ep, 10); | |
8e9b2075 | 212 | |
9030e7c4 UD |
213 | if (errno != EINVAL && *key[i] != '\0' && *ep == '\0') |
214 | /* Valid numeric gid. */ | |
215 | grp = getgrgid (arg_gid); | |
7d6a8338 UD |
216 | else |
217 | grp = getgrnam (key[i]); | |
218 | ||
219 | if (grp == NULL) | |
220 | result = 2; | |
221 | else | |
222 | print_group (grp); | |
223 | } | |
224 | ||
225 | return result; | |
226 | } | |
227 | ||
c518f9a4 AJ |
228 | /* This is for gshadow */ |
229 | static void | |
230 | print_gshadow (struct sgrp *sg) | |
231 | { | |
676599b3 FW |
232 | if (putsgent (sg, stdout) != 0) |
233 | fprintf (stderr, "error writing gshadow entry: %m\n"); | |
c518f9a4 AJ |
234 | } |
235 | ||
236 | static int | |
237 | gshadow_keys (int number, char *key[]) | |
238 | { | |
239 | int result = 0; | |
240 | int i; | |
241 | ||
242 | if (number == 0) | |
243 | { | |
244 | struct sgrp *sg; | |
245 | ||
246 | setsgent (); | |
247 | while ((sg = getsgent ()) != NULL) | |
248 | print_gshadow (sg); | |
249 | endsgent (); | |
250 | return result; | |
251 | } | |
252 | ||
253 | for (i = 0; i < number; ++i) | |
254 | { | |
255 | struct sgrp *sg; | |
256 | ||
257 | sg = getsgnam (key[i]); | |
258 | ||
259 | if (sg == NULL) | |
260 | result = 2; | |
261 | else | |
262 | print_gshadow (sg); | |
263 | } | |
264 | ||
265 | return result; | |
266 | } | |
267 | ||
232b4655 | 268 | /* This is for hosts */ |
25337753 | 269 | static void |
232b4655 UD |
270 | print_hosts (struct hostent *host) |
271 | { | |
fdcd8f9c | 272 | unsigned int cnt; |
232b4655 | 273 | |
fdcd8f9c | 274 | for (cnt = 0; host->h_addr_list[cnt] != NULL; ++cnt) |
232b4655 | 275 | { |
fdcd8f9c UD |
276 | char buf[INET6_ADDRSTRLEN]; |
277 | const char *ip = inet_ntop (host->h_addrtype, host->h_addr_list[cnt], | |
278 | buf, sizeof (buf)); | |
279 | ||
280 | printf ("%-15s %s", ip, host->h_name); | |
281 | ||
282 | unsigned int i; | |
283 | for (i = 0; host->h_aliases[i] != NULL; ++i) | |
284 | { | |
285 | putchar_unlocked (' '); | |
286 | fputs_unlocked (host->h_aliases[i], stdout); | |
287 | } | |
288 | putchar_unlocked ('\n'); | |
232b4655 | 289 | } |
232b4655 UD |
290 | } |
291 | ||
292 | static int | |
293 | hosts_keys (int number, char *key[]) | |
294 | { | |
295 | int result = 0; | |
296 | int i; | |
297 | struct hostent *host; | |
298 | ||
9d0881aa | 299 | if (number == 0) |
232b4655 UD |
300 | { |
301 | sethostent (0); | |
9d0881aa | 302 | while ((host = gethostent ()) != NULL) |
232b4655 UD |
303 | print_hosts (host); |
304 | endhostent (); | |
305 | return result; | |
306 | } | |
307 | ||
308 | for (i = 0; i < number; ++i) | |
309 | { | |
310 | struct hostent *host = NULL; | |
653aeda5 | 311 | char addr[IN6ADDRSZ]; |
232b4655 | 312 | |
653aeda5 | 313 | if (inet_pton (AF_INET6, key[i], &addr) > 0) |
4f3d6536 | 314 | host = gethostbyaddr (addr, IN6ADDRSZ, AF_INET6); |
653aeda5 | 315 | else if (inet_pton (AF_INET, key[i], &addr) > 0) |
4f3d6536 | 316 | host = gethostbyaddr (addr, INADDRSZ, AF_INET); |
232b4655 UD |
317 | else if ((host = gethostbyname2 (key[i], AF_INET6)) == NULL) |
318 | host = gethostbyname2 (key[i], AF_INET); | |
319 | ||
320 | if (host == NULL) | |
321 | result = 2; | |
322 | else | |
323 | print_hosts (host); | |
324 | } | |
325 | ||
326 | return result; | |
327 | } | |
328 | ||
29bfc945 UD |
329 | /* This is for hosts, but using getaddrinfo */ |
330 | static int | |
a7d24833 | 331 | ahosts_keys_int (int af, int xflags, int number, char *key[]) |
29bfc945 UD |
332 | { |
333 | int result = 0; | |
334 | int i; | |
335 | struct hostent *host; | |
336 | ||
337 | if (number == 0) | |
338 | { | |
339 | sethostent (0); | |
340 | while ((host = gethostent ()) != NULL) | |
341 | print_hosts (host); | |
342 | endhostent (); | |
343 | return result; | |
344 | } | |
345 | ||
346 | struct addrinfo hint; | |
347 | memset (&hint, '\0', sizeof (hint)); | |
a160f8d8 UD |
348 | hint.ai_flags = (AI_V4MAPPED | AI_ADDRCONFIG | AI_CANONNAME |
349 | | idn_flags | xflags); | |
a7d24833 | 350 | hint.ai_family = af; |
29bfc945 UD |
351 | |
352 | for (i = 0; i < number; ++i) | |
353 | { | |
354 | struct addrinfo *res; | |
355 | ||
356 | if (getaddrinfo (key[i], NULL, &hint, &res) != 0) | |
357 | result = 2; | |
358 | else | |
359 | { | |
360 | struct addrinfo *runp = res; | |
361 | ||
362 | while (runp != NULL) | |
363 | { | |
364 | char sockbuf[20]; | |
365 | const char *sockstr; | |
366 | if (runp->ai_socktype == SOCK_STREAM) | |
367 | sockstr = "STREAM"; | |
368 | else if (runp->ai_socktype == SOCK_DGRAM) | |
369 | sockstr = "DGRAM"; | |
370 | else if (runp->ai_socktype == SOCK_RAW) | |
371 | sockstr = "RAW"; | |
372bfcac UD |
372 | #ifdef SOCK_SEQPACKET |
373 | else if (runp->ai_socktype == SOCK_SEQPACKET) | |
374 | sockstr = "SEQPACKET"; | |
375 | #endif | |
376 | #ifdef SOCK_RDM | |
377 | else if (runp->ai_socktype == SOCK_RDM) | |
378 | sockstr = "RDM"; | |
379 | #endif | |
380 | #ifdef SOCK_DCCP | |
381 | else if (runp->ai_socktype == SOCK_DCCP) | |
382 | sockstr = "DCCP"; | |
383 | #endif | |
384 | #ifdef SOCK_PACKET | |
385 | else if (runp->ai_socktype == SOCK_PACKET) | |
386 | sockstr = "PACKET"; | |
387 | #endif | |
29bfc945 UD |
388 | else |
389 | { | |
390 | snprintf (sockbuf, sizeof (sockbuf), "%d", | |
391 | runp->ai_socktype); | |
392 | sockstr = sockbuf; | |
393 | } | |
394 | ||
395 | char buf[INET6_ADDRSTRLEN]; | |
396 | printf ("%-15s %-6s %s\n", | |
397 | inet_ntop (runp->ai_family, | |
a691b217 UD |
398 | runp->ai_family == AF_INET |
399 | ? (void *) &((struct sockaddr_in *) runp->ai_addr)->sin_addr | |
400 | : (void *) &((struct sockaddr_in6 *) runp->ai_addr)->sin6_addr, | |
29bfc945 UD |
401 | buf, sizeof (buf)), |
402 | sockstr, | |
5c81b3e1 | 403 | runp->ai_canonname ?: ""); |
29bfc945 UD |
404 | |
405 | runp = runp->ai_next; | |
406 | } | |
407 | ||
408 | freeaddrinfo (res); | |
409 | } | |
410 | } | |
411 | ||
412 | return result; | |
413 | } | |
414 | ||
a7d24833 UD |
415 | static int |
416 | ahosts_keys (int number, char *key[]) | |
417 | { | |
418 | return ahosts_keys_int (AF_UNSPEC, 0, number, key); | |
419 | } | |
420 | ||
421 | static int | |
422 | ahostsv4_keys (int number, char *key[]) | |
423 | { | |
424 | return ahosts_keys_int (AF_INET, 0, number, key); | |
425 | } | |
426 | ||
427 | static int | |
428 | ahostsv6_keys (int number, char *key[]) | |
429 | { | |
430 | return ahosts_keys_int (AF_INET6, AI_V4MAPPED, number, key); | |
431 | } | |
432 | ||
232b4655 UD |
433 | /* This is for netgroup */ |
434 | static int | |
435 | netgroup_keys (int number, char *key[]) | |
436 | { | |
437 | int result = 0; | |
232b4655 | 438 | |
9d0881aa | 439 | if (number == 0) |
232b4655 UD |
440 | { |
441 | fprintf (stderr, _("Enumeration not supported on %s\n"), "netgroup"); | |
442 | return 3; | |
443 | } | |
444 | ||
684ae515 UD |
445 | if (number == 4) |
446 | { | |
447 | char *host = strcmp (key[1], "*") == 0 ? NULL : key[1]; | |
448 | char *user = strcmp (key[2], "*") == 0 ? NULL : key[2]; | |
449 | char *domain = strcmp (key[3], "*") == 0 ? NULL : key[3]; | |
450 | ||
451 | printf ("%-21s (%s,%s,%s) = %d\n", | |
452 | key[0], host ?: "", user ?: "", domain ?: "", | |
453 | innetgr (key[0], host, user, domain)); | |
454 | } | |
455 | else if (number == 1) | |
232b4655 | 456 | { |
684ae515 | 457 | if (!setnetgrent (key[0])) |
232b4655 UD |
458 | result = 2; |
459 | else | |
460 | { | |
461 | char *p[3]; | |
462 | ||
684ae515 | 463 | printf ("%-21s", key[0]); |
232b4655 UD |
464 | |
465 | while (getnetgrent (p, p + 1, p + 2)) | |
684ae515 | 466 | printf (" (%s,%s,%s)", p[0] ?: " ", p[1] ?: "", p[2] ?: ""); |
9d0881aa | 467 | putchar_unlocked ('\n'); |
232b4655 UD |
468 | } |
469 | } | |
470 | ||
ff3cacc5 UD |
471 | endnetgrent (); |
472 | ||
232b4655 UD |
473 | return result; |
474 | } | |
475 | ||
82e9a1f7 UD |
476 | /* This is for initgroups */ |
477 | static int | |
478 | initgroups_keys (int number, char *key[]) | |
479 | { | |
480 | int ngrps = 100; | |
481 | size_t grpslen = ngrps * sizeof (gid_t); | |
482 | gid_t *grps = alloca (grpslen); | |
483 | ||
f4ec4833 UD |
484 | if (number == 0) |
485 | { | |
486 | fprintf (stderr, _("Enumeration not supported on %s\n"), "initgroups"); | |
487 | return 3; | |
488 | } | |
489 | ||
82e9a1f7 UD |
490 | for (int i = 0; i < number; ++i) |
491 | { | |
492 | int no = ngrps; | |
493 | int n; | |
494 | while ((n = getgrouplist (key[i], -1, grps, &no)) == -1 | |
495 | && no > ngrps) | |
496 | { | |
497 | grps = extend_alloca (grps, grpslen, no * sizeof (gid_t)); | |
498 | ngrps = no; | |
499 | } | |
500 | ||
501 | if (n == -1) | |
502 | return 1; | |
503 | ||
504 | printf ("%-21s", key[i]); | |
505 | for (int j = 0; j < n; ++j) | |
506 | if (grps[j] != -1) | |
507 | printf (" %ld", (long int) grps[j]); | |
508 | putchar_unlocked ('\n'); | |
509 | } | |
510 | ||
511 | return 0; | |
512 | } | |
513 | ||
7d6a8338 | 514 | /* This is for networks */ |
25337753 | 515 | static void |
7d6a8338 UD |
516 | print_networks (struct netent *net) |
517 | { | |
518 | unsigned int i; | |
519 | struct in_addr ip; | |
520 | ip.s_addr = htonl (net->n_net); | |
521 | ||
9d0881aa | 522 | printf ("%-21s %s", net->n_name, inet_ntoa (ip)); |
7d6a8338 UD |
523 | |
524 | i = 0; | |
525 | while (net->n_aliases[i] != NULL) | |
526 | { | |
9d0881aa UD |
527 | putchar_unlocked (' '); |
528 | fputs_unlocked (net->n_aliases[i], stdout); | |
7d6a8338 | 529 | ++i; |
7d6a8338 | 530 | } |
9d0881aa | 531 | putchar_unlocked ('\n'); |
7d6a8338 UD |
532 | } |
533 | ||
232b4655 | 534 | static int |
7d6a8338 UD |
535 | networks_keys (int number, char *key[]) |
536 | { | |
537 | int result = 0; | |
538 | int i; | |
232b4655 | 539 | struct netent *net; |
7d6a8338 | 540 | |
9d0881aa | 541 | if (number == 0) |
7d6a8338 | 542 | { |
232b4655 | 543 | setnetent (0); |
9d0881aa | 544 | while ((net = getnetent ()) != NULL) |
232b4655 UD |
545 | print_networks (net); |
546 | endnetent (); | |
547 | return result; | |
548 | } | |
7d6a8338 | 549 | |
232b4655 UD |
550 | for (i = 0; i < number; ++i) |
551 | { | |
7d6a8338 | 552 | if (isdigit (key[i][0])) |
5cd1f906 | 553 | net = getnetbyaddr (ntohl (inet_addr (key[i])), AF_UNSPEC); |
7d6a8338 UD |
554 | else |
555 | net = getnetbyname (key[i]); | |
556 | ||
557 | if (net == NULL) | |
558 | result = 2; | |
559 | else | |
560 | print_networks (net); | |
561 | } | |
562 | ||
563 | return result; | |
564 | } | |
565 | ||
566 | /* Now is all for passwd */ | |
f1d70dad | 567 | static void |
7d6a8338 UD |
568 | print_passwd (struct passwd *pwd) |
569 | { | |
676599b3 FW |
570 | if (putpwent (pwd, stdout) != 0) |
571 | fprintf (stderr, "error writing passwd entry: %m\n"); | |
7d6a8338 UD |
572 | } |
573 | ||
232b4655 | 574 | static int |
7d6a8338 UD |
575 | passwd_keys (int number, char *key[]) |
576 | { | |
577 | int result = 0; | |
578 | int i; | |
232b4655 | 579 | struct passwd *pwd; |
7d6a8338 | 580 | |
9d0881aa | 581 | if (number == 0) |
7d6a8338 | 582 | { |
232b4655 | 583 | setpwent (); |
9d0881aa | 584 | while ((pwd = getpwent ()) != NULL) |
232b4655 UD |
585 | print_passwd (pwd); |
586 | endpwent (); | |
587 | return result; | |
588 | } | |
7d6a8338 | 589 | |
232b4655 UD |
590 | for (i = 0; i < number; ++i) |
591 | { | |
9030e7c4 UD |
592 | errno = 0; |
593 | char *ep; | |
594 | uid_t arg_uid = strtoul(key[i], &ep, 10); | |
595 | ||
596 | if (errno != EINVAL && *key[i] != '\0' && *ep == '\0') | |
597 | /* Valid numeric uid. */ | |
598 | pwd = getpwuid (arg_uid); | |
7d6a8338 UD |
599 | else |
600 | pwd = getpwnam (key[i]); | |
601 | ||
602 | if (pwd == NULL) | |
603 | result = 2; | |
604 | else | |
605 | print_passwd (pwd); | |
606 | } | |
607 | ||
608 | return result; | |
609 | } | |
610 | ||
611 | /* This is for protocols */ | |
f1d70dad | 612 | static void |
7d6a8338 UD |
613 | print_protocols (struct protoent *proto) |
614 | { | |
615 | unsigned int i; | |
616 | ||
9d0881aa | 617 | printf ("%-21s %d", proto->p_name, proto->p_proto); |
7d6a8338 UD |
618 | |
619 | i = 0; | |
620 | while (proto->p_aliases[i] != NULL) | |
621 | { | |
9d0881aa UD |
622 | putchar_unlocked (' '); |
623 | fputs_unlocked (proto->p_aliases[i], stdout); | |
7d6a8338 UD |
624 | ++i; |
625 | } | |
9d0881aa | 626 | putchar_unlocked ('\n'); |
7d6a8338 UD |
627 | } |
628 | ||
232b4655 | 629 | static int |
7d6a8338 UD |
630 | protocols_keys (int number, char *key[]) |
631 | { | |
632 | int result = 0; | |
633 | int i; | |
232b4655 | 634 | struct protoent *proto; |
7d6a8338 | 635 | |
9d0881aa | 636 | if (number == 0) |
7d6a8338 | 637 | { |
232b4655 | 638 | setprotoent (0); |
9d0881aa | 639 | while ((proto = getprotoent ()) != NULL) |
232b4655 UD |
640 | print_protocols (proto); |
641 | endprotoent (); | |
642 | return result; | |
643 | } | |
7d6a8338 | 644 | |
232b4655 UD |
645 | for (i = 0; i < number; ++i) |
646 | { | |
7d6a8338 UD |
647 | if (isdigit (key[i][0])) |
648 | proto = getprotobynumber (atol (key[i])); | |
649 | else | |
650 | proto = getprotobyname (key[i]); | |
651 | ||
652 | if (proto == NULL) | |
653 | result = 2; | |
654 | else | |
655 | print_protocols (proto); | |
656 | } | |
657 | ||
658 | return result; | |
659 | } | |
660 | ||
a1309c2b | 661 | #if HAVE_SUNRPC |
232b4655 | 662 | /* Now is all for rpc */ |
f1d70dad | 663 | static void |
232b4655 | 664 | print_rpc (struct rpcent *rpc) |
7d6a8338 | 665 | { |
232b4655 | 666 | int i; |
7d6a8338 | 667 | |
9d0881aa UD |
668 | printf ("%-15s %d%s", |
669 | rpc->r_name, rpc->r_number, rpc->r_aliases[0] ? " " : ""); | |
7d6a8338 | 670 | |
232b4655 UD |
671 | for (i = 0; rpc->r_aliases[i]; ++i) |
672 | printf (" %s", rpc->r_aliases[i]); | |
9d0881aa | 673 | putchar_unlocked ('\n'); |
7d6a8338 UD |
674 | } |
675 | ||
232b4655 UD |
676 | static int |
677 | rpc_keys (int number, char *key[]) | |
7d6a8338 UD |
678 | { |
679 | int result = 0; | |
680 | int i; | |
232b4655 | 681 | struct rpcent *rpc; |
7d6a8338 | 682 | |
9d0881aa | 683 | if (number == 0) |
7d6a8338 | 684 | { |
232b4655 | 685 | setrpcent (0); |
9d0881aa | 686 | while ((rpc = getrpcent ()) != NULL) |
232b4655 UD |
687 | print_rpc (rpc); |
688 | endrpcent (); | |
689 | return result; | |
690 | } | |
7d6a8338 | 691 | |
232b4655 UD |
692 | for (i = 0; i < number; ++i) |
693 | { | |
694 | if (isdigit (key[i][0])) | |
695 | rpc = getrpcbynumber (atol (key[i])); | |
696 | else | |
697 | rpc = getrpcbyname (key[i]); | |
7d6a8338 | 698 | |
232b4655 | 699 | if (rpc == NULL) |
7d6a8338 UD |
700 | result = 2; |
701 | else | |
232b4655 | 702 | print_rpc (rpc); |
7d6a8338 UD |
703 | } |
704 | ||
705 | return result; | |
706 | } | |
a1309c2b | 707 | #endif |
7d6a8338 UD |
708 | |
709 | /* for services */ | |
232b4655 | 710 | static void |
7d6a8338 UD |
711 | print_services (struct servent *serv) |
712 | { | |
713 | unsigned int i; | |
714 | ||
9d0881aa | 715 | printf ("%-21s %d/%s", serv->s_name, ntohs (serv->s_port), serv->s_proto); |
7d6a8338 UD |
716 | |
717 | i = 0; | |
718 | while (serv->s_aliases[i] != NULL) | |
719 | { | |
9d0881aa UD |
720 | putchar_unlocked (' '); |
721 | fputs_unlocked (serv->s_aliases[i], stdout); | |
7d6a8338 UD |
722 | ++i; |
723 | } | |
9d0881aa | 724 | putchar_unlocked ('\n'); |
7d6a8338 UD |
725 | } |
726 | ||
232b4655 | 727 | static int |
7d6a8338 UD |
728 | services_keys (int number, char *key[]) |
729 | { | |
730 | int result = 0; | |
731 | int i; | |
232b4655 UD |
732 | struct servent *serv; |
733 | ||
734 | if (!number) | |
735 | { | |
736 | setservent (0); | |
9d0881aa | 737 | while ((serv = getservent ()) != NULL) |
232b4655 UD |
738 | print_services (serv); |
739 | endservent (); | |
740 | return result; | |
741 | } | |
7d6a8338 UD |
742 | |
743 | for (i = 0; i < number; ++i) | |
744 | { | |
745 | struct servent *serv; | |
746 | char *proto = strchr (key[i], '/'); | |
747 | ||
a70e964e UD |
748 | if (proto != NULL) |
749 | *proto++ = '\0'; | |
7d6a8338 | 750 | |
e4368156 OB |
751 | char *endptr; |
752 | long port = strtol (key[i], &endptr, 10); | |
753 | ||
754 | if (isdigit (key[i][0]) && *endptr == '\0' | |
755 | && 0 <= port && port <= 65535) | |
756 | serv = getservbyport (htons (port), proto); | |
a70e964e UD |
757 | else |
758 | serv = getservbyname (key[i], proto); | |
7d6a8338 | 759 | |
a70e964e UD |
760 | if (serv == NULL) |
761 | result = 2; | |
762 | else | |
763 | print_services (serv); | |
7d6a8338 UD |
764 | } |
765 | ||
766 | return result; | |
767 | } | |
768 | ||
232b4655 | 769 | /* This is for shadow */ |
25337753 | 770 | static void |
232b4655 | 771 | print_shadow (struct spwd *sp) |
7d6a8338 | 772 | { |
676599b3 FW |
773 | if (putspent (sp, stdout) != 0) |
774 | fprintf (stderr, "error writing shadow entry: %m\n"); | |
232b4655 | 775 | } |
7d6a8338 | 776 | |
232b4655 UD |
777 | static int |
778 | shadow_keys (int number, char *key[]) | |
779 | { | |
780 | int result = 0; | |
781 | int i; | |
7d6a8338 | 782 | |
9d0881aa | 783 | if (number == 0) |
7d6a8338 | 784 | { |
232b4655 UD |
785 | struct spwd *sp; |
786 | ||
787 | setspent (); | |
9d0881aa | 788 | while ((sp = getspent ()) != NULL) |
232b4655 | 789 | print_shadow (sp); |
d34c9158 | 790 | endspent (); |
232b4655 | 791 | return result; |
7d6a8338 UD |
792 | } |
793 | ||
232b4655 | 794 | for (i = 0; i < number; ++i) |
7d6a8338 | 795 | { |
232b4655 | 796 | struct spwd *sp; |
7d6a8338 | 797 | |
232b4655 | 798 | sp = getspnam (key[i]); |
7d6a8338 | 799 | |
232b4655 UD |
800 | if (sp == NULL) |
801 | result = 2; | |
7d6a8338 | 802 | else |
232b4655 UD |
803 | print_shadow (sp); |
804 | } | |
7d6a8338 | 805 | |
232b4655 UD |
806 | return result; |
807 | } | |
7d6a8338 | 808 | |
232b4655 UD |
809 | struct |
810 | { | |
811 | const char *name; | |
812 | int (*func) (int number, char *key[]); | |
813 | } databases[] = | |
814 | { | |
815 | #define D(name) { #name, name ## _keys }, | |
29bfc945 | 816 | D(ahosts) |
a7d24833 UD |
817 | D(ahostsv4) |
818 | D(ahostsv6) | |
232b4655 UD |
819 | D(aliases) |
820 | D(ethers) | |
821 | D(group) | |
c518f9a4 | 822 | D(gshadow) |
232b4655 | 823 | D(hosts) |
82e9a1f7 | 824 | D(initgroups) |
232b4655 UD |
825 | D(netgroup) |
826 | D(networks) | |
827 | D(passwd) | |
828 | D(protocols) | |
a1309c2b | 829 | #if HAVE_SUNRPC |
232b4655 | 830 | D(rpc) |
a1309c2b | 831 | #endif |
232b4655 UD |
832 | D(services) |
833 | D(shadow) | |
834 | #undef D | |
9d0881aa | 835 | { NULL, NULL } |
232b4655 UD |
836 | }; |
837 | ||
9d0881aa UD |
838 | /* Handle arguments found by argp. */ |
839 | static error_t | |
840 | parse_option (int key, char *arg, struct argp_state *state) | |
841 | { | |
b4f6f4be | 842 | char *endp; |
9d0881aa UD |
843 | switch (key) |
844 | { | |
845 | case 's': | |
b4f6f4be UD |
846 | endp = strchr (arg, ':'); |
847 | if (endp == NULL) | |
848 | /* No specific database, change them all. */ | |
849 | for (int i = 0; databases[i].name != NULL; ++i) | |
850 | __nss_configure_lookup (databases[i].name, arg); | |
851 | else | |
852 | { | |
853 | int i; | |
854 | for (i = 0; databases[i].name != NULL; ++i) | |
855 | if (strncmp (databases[i].name, arg, endp - arg) == 0) | |
856 | { | |
857 | __nss_configure_lookup (databases[i].name, endp + 1); | |
858 | break; | |
859 | } | |
860 | if (databases[i].name == NULL) | |
861 | error (EXIT_FAILURE, 0, gettext ("Unknown database name")); | |
862 | } | |
9d0881aa UD |
863 | break; |
864 | ||
a160f8d8 UD |
865 | case 'i': |
866 | idn_flags = 0; | |
867 | break; | |
868 | ||
9d0881aa UD |
869 | default: |
870 | return ARGP_ERR_UNKNOWN; | |
871 | } | |
872 | ||
873 | return 0; | |
874 | } | |
875 | ||
232b4655 | 876 | |
f69425fa UD |
877 | static char * |
878 | more_help (int key, const char *text, void *input) | |
879 | { | |
f69425fa | 880 | switch (key) |
232b4655 | 881 | { |
b4f6f4be UD |
882 | size_t len; |
883 | char *doc; | |
884 | FILE *fp; | |
885 | ||
f69425fa UD |
886 | case ARGP_KEY_HELP_EXTRA: |
887 | /* We print some extra information. */ | |
b4f6f4be UD |
888 | fp = open_memstream (&doc, &len); |
889 | if (fp != NULL) | |
7d6a8338 | 890 | { |
b4f6f4be | 891 | fputs_unlocked (_("Supported databases:\n"), fp); |
f69425fa | 892 | |
b4f6f4be | 893 | for (int i = 0, col = 0; databases[i].name != NULL; ++i) |
7d6a8338 | 894 | { |
f69425fa UD |
895 | len = strlen (databases[i].name); |
896 | if (i != 0) | |
232b4655 | 897 | { |
f69425fa UD |
898 | if (col + len > 72) |
899 | { | |
900 | col = 0; | |
b4f6f4be | 901 | fputc_unlocked ('\n', fp); |
f69425fa UD |
902 | } |
903 | else | |
b4f6f4be | 904 | fputc_unlocked (' ', fp); |
232b4655 | 905 | } |
f69425fa | 906 | |
b4f6f4be | 907 | fputs_unlocked (databases[i].name, fp); |
f69425fa | 908 | col += len + 1; |
7d6a8338 | 909 | } |
232b4655 | 910 | |
cbbcaf23 UD |
911 | fputs ("\n\n", fp); |
912 | ||
8b748aed | 913 | fprintf (fp, gettext ("\ |
cbbcaf23 | 914 | For bug reporting instructions, please see:\n\ |
8b748aed | 915 | %s.\n"), REPORT_BUGS_TO); |
cbbcaf23 | 916 | |
b4f6f4be UD |
917 | if (fclose (fp) == 0) |
918 | return doc; | |
7d6a8338 | 919 | } |
f69425fa | 920 | break; |
232b4655 | 921 | |
f69425fa UD |
922 | default: |
923 | break; | |
924 | } | |
925 | return (char *) text; | |
232b4655 UD |
926 | } |
927 | ||
f69425fa | 928 | |
232b4655 UD |
929 | /* the main function */ |
930 | int | |
931 | main (int argc, char *argv[]) | |
932 | { | |
ff3cacc5 UD |
933 | /* Debugging support. */ |
934 | mtrace (); | |
232b4655 UD |
935 | |
936 | /* Set locale via LC_ALL. */ | |
937 | setlocale (LC_ALL, ""); | |
938 | /* Set the text message domain. */ | |
939 | textdomain (PACKAGE); | |
940 | ||
232b4655 | 941 | /* Parse and process arguments. */ |
ff3cacc5 | 942 | int remaining; |
232b4655 UD |
943 | argp_parse (&argp, argc, argv, 0, &remaining, NULL); |
944 | ||
945 | if ((argc - remaining) < 1) | |
946 | { | |
947 | error (0, 0, gettext ("wrong number of arguments")); | |
7d6a8338 UD |
948 | argp_help (&argp, stdout, ARGP_HELP_SEE, program_invocation_short_name); |
949 | return 1; | |
950 | } | |
951 | ||
ff3cacc5 | 952 | for (int i = 0; databases[i].name; ++i) |
9d0881aa UD |
953 | if (argv[remaining][0] == databases[i].name[0] |
954 | && !strcmp (argv[remaining], databases[i].name)) | |
955 | return databases[i].func (argc - remaining - 1, &argv[remaining + 1]); | |
232b4655 | 956 | |
9d0881aa | 957 | fprintf (stderr, _("Unknown database: %s\n"), argv[remaining]); |
232b4655 UD |
958 | argp_help (&argp, stdout, ARGP_HELP_SEE, program_invocation_short_name); |
959 | return 1; | |
7d6a8338 | 960 | } |