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Commit | Line | Data |
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1b85ed0c | 1 | /* Copyright (c) 1998-2003, 2004, 2005 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 AJ |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library; if not, write to the Free | |
17 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
18 | 02111-1307 USA. */ | |
7d6a8338 | 19 | |
232b4655 | 20 | /* getent: get entries from administrative database. */ |
7d6a8338 | 21 | |
232b4655 | 22 | #include <aliases.h> |
7d6a8338 | 23 | #include <argp.h> |
a334319f UD |
24 | #include <grp.h> |
25 | #include <pwd.h> | |
26 | #include <shadow.h> | |
7d6a8338 UD |
27 | #include <ctype.h> |
28 | #include <error.h> | |
29 | #include <libintl.h> | |
30 | #include <locale.h> | |
31 | #include <netdb.h> | |
32 | #include <stdio.h> | |
33 | #include <stdlib.h> | |
34 | #include <string.h> | |
a334319f UD |
35 | #include <sys/socket.h> |
36 | #include <netinet/in.h> | |
37 | #include <netinet/ether.h> | |
7d6a8338 | 38 | #include <arpa/inet.h> |
ce75c139 | 39 | #include <arpa/nameser.h> |
7d6a8338 UD |
40 | |
41 | /* Get libc version number. */ | |
42 | #include <version.h> | |
43 | ||
44 | #define PACKAGE _libc_intl_domainname | |
45 | ||
46 | /* Name and version of program. */ | |
47 | static void print_version (FILE *stream, struct argp_state *state); | |
48 | void (*argp_program_version_hook) (FILE *, struct argp_state *) = print_version; | |
49 | ||
50 | /* Short description of parameters. */ | |
51 | static const char args_doc[] = N_("database [key ...]"); | |
52 | ||
9d0881aa UD |
53 | /* Supported options. */ |
54 | static const struct argp_option args_options[] = | |
55 | { | |
56 | { "service", 's', "CONFIG", 0, N_("Service configuration to be used") }, | |
57 | { NULL, 0, NULL, 0, NULL }, | |
58 | }; | |
59 | ||
f69425fa UD |
60 | /* Short description of program. */ |
61 | static const char doc[] = N_("Get entries from administrative database.\v\ | |
62 | For bug reporting instructions, please see:\n\ | |
63 | <http://www.gnu.org/software/libc/bugs.html>.\n"); | |
64 | ||
9d0881aa UD |
65 | /* Prototype for option handler. */ |
66 | static error_t parse_option (int key, char *arg, struct argp_state *state); | |
67 | ||
f69425fa UD |
68 | /* Function to print some extra text in the help message. */ |
69 | static char *more_help (int key, const char *text, void *input); | |
70 | ||
7d6a8338 | 71 | /* Data structure to communicate with argp functions. */ |
9d0881aa UD |
72 | static struct argp argp = |
73 | { | |
f69425fa | 74 | args_options, parse_option, args_doc, doc, NULL, more_help |
9d0881aa | 75 | }; |
7d6a8338 UD |
76 | |
77 | /* Print the version information. */ | |
78 | static void | |
79 | print_version (FILE *stream, struct argp_state *state) | |
80 | { | |
81 | fprintf (stream, "getent (GNU %s) %s\n", PACKAGE, VERSION); | |
82 | fprintf (stream, gettext ("\ | |
83 | Copyright (C) %s Free Software Foundation, Inc.\n\ | |
84 | This is free software; see the source for copying conditions. There is NO\n\ | |
85 | warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\ | |
1b85ed0c | 86 | "), "2005"); |
7d6a8338 UD |
87 | fprintf (stream, gettext ("Written by %s.\n"), "Thorsten Kukuk"); |
88 | } | |
89 | ||
232b4655 UD |
90 | /* This is for aliases */ |
91 | static inline void | |
92 | print_aliases (struct aliasent *alias) | |
93 | { | |
94 | unsigned int i = 0; | |
95 | ||
96 | printf ("%s: ", alias->alias_name); | |
97 | for (i = strlen (alias->alias_name); i < 14; ++i) | |
9d0881aa | 98 | fputs_unlocked (" ", stdout); |
232b4655 | 99 | |
9d0881aa | 100 | for (i = 0; i < alias->alias_members_len; ++i) |
232b4655 UD |
101 | printf ("%s%s", |
102 | alias->alias_members [i], | |
103 | i + 1 == alias->alias_members_len ? "\n" : ", "); | |
104 | } | |
105 | ||
106 | static int | |
107 | aliases_keys (int number, char *key[]) | |
108 | { | |
109 | int result = 0; | |
110 | int i; | |
111 | struct aliasent *alias; | |
112 | ||
9d0881aa | 113 | if (number == 0) |
232b4655 UD |
114 | { |
115 | setaliasent (); | |
9d0881aa | 116 | while ((alias = getaliasent ()) != NULL) |
232b4655 UD |
117 | print_aliases (alias); |
118 | endaliasent (); | |
119 | return result; | |
120 | } | |
121 | ||
122 | for (i = 0; i < number; ++i) | |
123 | { | |
124 | alias = getaliasbyname (key[i]); | |
125 | ||
126 | if (alias == NULL) | |
127 | result = 2; | |
128 | else | |
129 | print_aliases (alias); | |
130 | } | |
131 | ||
132 | return result; | |
133 | } | |
134 | ||
135 | /* This is for ethers */ | |
136 | static int | |
137 | ethers_keys (int number, char *key[]) | |
138 | { | |
139 | int result = 0; | |
140 | int i; | |
141 | ||
9d0881aa | 142 | if (number == 0) |
232b4655 UD |
143 | { |
144 | fprintf (stderr, _("Enumeration not supported on %s\n"), "ethers"); | |
145 | return 3; | |
146 | } | |
147 | ||
148 | for (i = 0; i < number; ++i) | |
149 | { | |
150 | struct ether_addr *ethp, eth; | |
151 | char buffer [1024], *p; | |
152 | ||
153 | ethp = ether_aton (key[i]); | |
9d0881aa | 154 | if (ethp != NULL) |
232b4655 UD |
155 | { |
156 | if (ether_ntohost (buffer, ethp)) | |
157 | { | |
158 | result = 2; | |
159 | continue; | |
160 | } | |
161 | p = buffer; | |
162 | } | |
163 | else | |
164 | { | |
165 | if (ether_hostton (key[i], ð)) | |
166 | { | |
167 | result = 2; | |
168 | continue; | |
169 | } | |
170 | p = key[i]; | |
171 | ethp = ð | |
172 | } | |
173 | printf ("%s %s\n", ether_ntoa (ethp), p); | |
174 | } | |
175 | ||
176 | return result; | |
177 | } | |
178 | ||
7d6a8338 UD |
179 | /* This is for group */ |
180 | static inline void | |
181 | print_group (struct group *grp) | |
182 | { | |
183 | unsigned int i = 0; | |
184 | ||
c61a8bb4 | 185 | printf ("%s:%s:%lu:", grp->gr_name ? grp->gr_name : "", |
7d6a8338 | 186 | grp->gr_passwd ? grp->gr_passwd : "", |
9d0881aa | 187 | (unsigned long int) grp->gr_gid); |
7d6a8338 UD |
188 | |
189 | while (grp->gr_mem[i] != NULL) | |
190 | { | |
9d0881aa | 191 | fputs_unlocked (grp->gr_mem[i], stdout); |
7d6a8338 UD |
192 | ++i; |
193 | if (grp->gr_mem[i] != NULL) | |
9d0881aa | 194 | putchar_unlocked (','); |
7d6a8338 | 195 | } |
9d0881aa | 196 | putchar_unlocked ('\n'); |
7d6a8338 UD |
197 | } |
198 | ||
232b4655 | 199 | static int |
7d6a8338 UD |
200 | group_keys (int number, char *key[]) |
201 | { | |
202 | int result = 0; | |
203 | int i; | |
232b4655 | 204 | struct group *grp; |
7d6a8338 | 205 | |
9d0881aa | 206 | if (number == 0) |
7d6a8338 | 207 | { |
232b4655 | 208 | setgrent (); |
9d0881aa | 209 | while ((grp = getgrent ()) != NULL) |
232b4655 UD |
210 | print_group (grp); |
211 | endgrent (); | |
212 | return result; | |
213 | } | |
7d6a8338 | 214 | |
232b4655 UD |
215 | for (i = 0; i < number; ++i) |
216 | { | |
9030e7c4 UD |
217 | errno = 0; |
218 | char *ep; | |
219 | gid_t arg_gid = strtoul(key[i], &ep, 10); | |
8e9b2075 | 220 | |
9030e7c4 UD |
221 | if (errno != EINVAL && *key[i] != '\0' && *ep == '\0') |
222 | /* Valid numeric gid. */ | |
223 | grp = getgrgid (arg_gid); | |
7d6a8338 UD |
224 | else |
225 | grp = getgrnam (key[i]); | |
226 | ||
227 | if (grp == NULL) | |
228 | result = 2; | |
229 | else | |
230 | print_group (grp); | |
231 | } | |
232 | ||
233 | return result; | |
234 | } | |
235 | ||
232b4655 | 236 | /* This is for hosts */ |
25337753 | 237 | static void |
232b4655 UD |
238 | print_hosts (struct hostent *host) |
239 | { | |
fdcd8f9c | 240 | unsigned int cnt; |
232b4655 | 241 | |
fdcd8f9c | 242 | for (cnt = 0; host->h_addr_list[cnt] != NULL; ++cnt) |
232b4655 | 243 | { |
fdcd8f9c UD |
244 | char buf[INET6_ADDRSTRLEN]; |
245 | const char *ip = inet_ntop (host->h_addrtype, host->h_addr_list[cnt], | |
246 | buf, sizeof (buf)); | |
247 | ||
248 | printf ("%-15s %s", ip, host->h_name); | |
249 | ||
250 | unsigned int i; | |
251 | for (i = 0; host->h_aliases[i] != NULL; ++i) | |
252 | { | |
253 | putchar_unlocked (' '); | |
254 | fputs_unlocked (host->h_aliases[i], stdout); | |
255 | } | |
256 | putchar_unlocked ('\n'); | |
232b4655 | 257 | } |
232b4655 UD |
258 | } |
259 | ||
260 | static int | |
261 | hosts_keys (int number, char *key[]) | |
262 | { | |
263 | int result = 0; | |
264 | int i; | |
265 | struct hostent *host; | |
266 | ||
9d0881aa | 267 | if (number == 0) |
232b4655 UD |
268 | { |
269 | sethostent (0); | |
9d0881aa | 270 | while ((host = gethostent ()) != NULL) |
232b4655 UD |
271 | print_hosts (host); |
272 | endhostent (); | |
273 | return result; | |
274 | } | |
275 | ||
276 | for (i = 0; i < number; ++i) | |
277 | { | |
278 | struct hostent *host = NULL; | |
653aeda5 | 279 | char addr[IN6ADDRSZ]; |
232b4655 | 280 | |
653aeda5 | 281 | if (inet_pton (AF_INET6, key[i], &addr) > 0) |
a334319f | 282 | host = gethostbyaddr (addr, sizeof (addr), AF_INET6); |
653aeda5 | 283 | else if (inet_pton (AF_INET, key[i], &addr) > 0) |
a334319f | 284 | host = gethostbyaddr (addr, sizeof (addr), AF_INET); |
232b4655 UD |
285 | else if ((host = gethostbyname2 (key[i], AF_INET6)) == NULL) |
286 | host = gethostbyname2 (key[i], AF_INET); | |
287 | ||
288 | if (host == NULL) | |
289 | result = 2; | |
290 | else | |
291 | print_hosts (host); | |
292 | } | |
293 | ||
294 | return result; | |
295 | } | |
296 | ||
29bfc945 UD |
297 | /* This is for hosts, but using getaddrinfo */ |
298 | static int | |
a7d24833 | 299 | ahosts_keys_int (int af, int xflags, int number, char *key[]) |
29bfc945 UD |
300 | { |
301 | int result = 0; | |
302 | int i; | |
303 | struct hostent *host; | |
304 | ||
305 | if (number == 0) | |
306 | { | |
307 | sethostent (0); | |
308 | while ((host = gethostent ()) != NULL) | |
309 | print_hosts (host); | |
310 | endhostent (); | |
311 | return result; | |
312 | } | |
313 | ||
314 | struct addrinfo hint; | |
315 | memset (&hint, '\0', sizeof (hint)); | |
a7d24833 UD |
316 | hint.ai_flags = AI_V4MAPPED | AI_ADDRCONFIG | AI_CANONNAME | xflags; |
317 | hint.ai_family = af; | |
29bfc945 UD |
318 | |
319 | for (i = 0; i < number; ++i) | |
320 | { | |
321 | struct addrinfo *res; | |
322 | ||
323 | if (getaddrinfo (key[i], NULL, &hint, &res) != 0) | |
324 | result = 2; | |
325 | else | |
326 | { | |
327 | struct addrinfo *runp = res; | |
328 | ||
329 | while (runp != NULL) | |
330 | { | |
331 | char sockbuf[20]; | |
332 | const char *sockstr; | |
333 | if (runp->ai_socktype == SOCK_STREAM) | |
334 | sockstr = "STREAM"; | |
335 | else if (runp->ai_socktype == SOCK_DGRAM) | |
336 | sockstr = "DGRAM"; | |
337 | else if (runp->ai_socktype == SOCK_RAW) | |
338 | sockstr = "RAW"; | |
339 | else | |
340 | { | |
341 | snprintf (sockbuf, sizeof (sockbuf), "%d", | |
342 | runp->ai_socktype); | |
343 | sockstr = sockbuf; | |
344 | } | |
345 | ||
346 | char buf[INET6_ADDRSTRLEN]; | |
347 | printf ("%-15s %-6s %s\n", | |
348 | inet_ntop (runp->ai_family, | |
a691b217 UD |
349 | runp->ai_family == AF_INET |
350 | ? (void *) &((struct sockaddr_in *) runp->ai_addr)->sin_addr | |
351 | : (void *) &((struct sockaddr_in6 *) runp->ai_addr)->sin6_addr, | |
29bfc945 UD |
352 | buf, sizeof (buf)), |
353 | sockstr, | |
5c81b3e1 | 354 | runp->ai_canonname ?: ""); |
29bfc945 UD |
355 | |
356 | runp = runp->ai_next; | |
357 | } | |
358 | ||
359 | freeaddrinfo (res); | |
360 | } | |
361 | } | |
362 | ||
363 | return result; | |
364 | } | |
365 | ||
a7d24833 UD |
366 | static int |
367 | ahosts_keys (int number, char *key[]) | |
368 | { | |
369 | return ahosts_keys_int (AF_UNSPEC, 0, number, key); | |
370 | } | |
371 | ||
372 | static int | |
373 | ahostsv4_keys (int number, char *key[]) | |
374 | { | |
375 | return ahosts_keys_int (AF_INET, 0, number, key); | |
376 | } | |
377 | ||
378 | static int | |
379 | ahostsv6_keys (int number, char *key[]) | |
380 | { | |
381 | return ahosts_keys_int (AF_INET6, AI_V4MAPPED, number, key); | |
382 | } | |
383 | ||
232b4655 UD |
384 | /* This is for netgroup */ |
385 | static int | |
386 | netgroup_keys (int number, char *key[]) | |
387 | { | |
388 | int result = 0; | |
9d0881aa | 389 | int i; |
232b4655 | 390 | |
9d0881aa | 391 | if (number == 0) |
232b4655 UD |
392 | { |
393 | fprintf (stderr, _("Enumeration not supported on %s\n"), "netgroup"); | |
394 | return 3; | |
395 | } | |
396 | ||
397 | for (i = 0; i < number; ++i) | |
398 | { | |
399 | if (!setnetgrent (key[i])) | |
400 | result = 2; | |
401 | else | |
402 | { | |
403 | char *p[3]; | |
404 | ||
9d0881aa | 405 | printf ("%-21s", key[i]); |
232b4655 UD |
406 | |
407 | while (getnetgrent (p, p + 1, p + 2)) | |
408 | printf (" (%s, %s, %s)", p[0] ?: " ", p[1] ?: "", p[2] ?: ""); | |
9d0881aa | 409 | putchar_unlocked ('\n'); |
232b4655 UD |
410 | } |
411 | } | |
412 | ||
413 | return result; | |
414 | } | |
415 | ||
7d6a8338 | 416 | /* This is for networks */ |
25337753 | 417 | static void |
7d6a8338 UD |
418 | print_networks (struct netent *net) |
419 | { | |
420 | unsigned int i; | |
421 | struct in_addr ip; | |
422 | ip.s_addr = htonl (net->n_net); | |
423 | ||
9d0881aa | 424 | printf ("%-21s %s", net->n_name, inet_ntoa (ip)); |
7d6a8338 UD |
425 | |
426 | i = 0; | |
427 | while (net->n_aliases[i] != NULL) | |
428 | { | |
9d0881aa UD |
429 | putchar_unlocked (' '); |
430 | fputs_unlocked (net->n_aliases[i], stdout); | |
7d6a8338 UD |
431 | ++i; |
432 | if (net->n_aliases[i] != NULL) | |
9d0881aa | 433 | putchar_unlocked (','); |
7d6a8338 | 434 | } |
9d0881aa | 435 | putchar_unlocked ('\n'); |
7d6a8338 UD |
436 | } |
437 | ||
232b4655 | 438 | static int |
7d6a8338 UD |
439 | networks_keys (int number, char *key[]) |
440 | { | |
441 | int result = 0; | |
442 | int i; | |
232b4655 | 443 | struct netent *net; |
7d6a8338 | 444 | |
9d0881aa | 445 | if (number == 0) |
7d6a8338 | 446 | { |
232b4655 | 447 | setnetent (0); |
9d0881aa | 448 | while ((net = getnetent ()) != NULL) |
232b4655 UD |
449 | print_networks (net); |
450 | endnetent (); | |
451 | return result; | |
452 | } | |
7d6a8338 | 453 | |
232b4655 UD |
454 | for (i = 0; i < number; ++i) |
455 | { | |
7d6a8338 UD |
456 | if (isdigit (key[i][0])) |
457 | net = getnetbyaddr (inet_addr (key[i]), AF_UNIX); | |
458 | else | |
459 | net = getnetbyname (key[i]); | |
460 | ||
461 | if (net == NULL) | |
462 | result = 2; | |
463 | else | |
464 | print_networks (net); | |
465 | } | |
466 | ||
467 | return result; | |
468 | } | |
469 | ||
470 | /* Now is all for passwd */ | |
471 | static inline void | |
472 | print_passwd (struct passwd *pwd) | |
473 | { | |
c61a8bb4 | 474 | printf ("%s:%s:%lu:%lu:%s:%s:%s\n", |
7d6a8338 UD |
475 | pwd->pw_name ? pwd->pw_name : "", |
476 | pwd->pw_passwd ? pwd->pw_passwd : "", | |
9d0881aa UD |
477 | (unsigned long int) pwd->pw_uid, |
478 | (unsigned long int) pwd->pw_gid, | |
7d6a8338 UD |
479 | pwd->pw_gecos ? pwd->pw_gecos : "", |
480 | pwd->pw_dir ? pwd->pw_dir : "", | |
481 | pwd->pw_shell ? pwd->pw_shell : ""); | |
482 | } | |
483 | ||
232b4655 | 484 | static int |
7d6a8338 UD |
485 | passwd_keys (int number, char *key[]) |
486 | { | |
487 | int result = 0; | |
488 | int i; | |
232b4655 | 489 | struct passwd *pwd; |
7d6a8338 | 490 | |
9d0881aa | 491 | if (number == 0) |
7d6a8338 | 492 | { |
232b4655 | 493 | setpwent (); |
9d0881aa | 494 | while ((pwd = getpwent ()) != NULL) |
232b4655 UD |
495 | print_passwd (pwd); |
496 | endpwent (); | |
497 | return result; | |
498 | } | |
7d6a8338 | 499 | |
232b4655 UD |
500 | for (i = 0; i < number; ++i) |
501 | { | |
9030e7c4 UD |
502 | errno = 0; |
503 | char *ep; | |
504 | uid_t arg_uid = strtoul(key[i], &ep, 10); | |
505 | ||
506 | if (errno != EINVAL && *key[i] != '\0' && *ep == '\0') | |
507 | /* Valid numeric uid. */ | |
508 | pwd = getpwuid (arg_uid); | |
7d6a8338 UD |
509 | else |
510 | pwd = getpwnam (key[i]); | |
511 | ||
512 | if (pwd == NULL) | |
513 | result = 2; | |
514 | else | |
515 | print_passwd (pwd); | |
516 | } | |
517 | ||
518 | return result; | |
519 | } | |
520 | ||
521 | /* This is for protocols */ | |
522 | static inline void | |
523 | print_protocols (struct protoent *proto) | |
524 | { | |
525 | unsigned int i; | |
526 | ||
9d0881aa | 527 | printf ("%-21s %d", proto->p_name, proto->p_proto); |
7d6a8338 UD |
528 | |
529 | i = 0; | |
530 | while (proto->p_aliases[i] != NULL) | |
531 | { | |
9d0881aa UD |
532 | putchar_unlocked (' '); |
533 | fputs_unlocked (proto->p_aliases[i], stdout); | |
7d6a8338 UD |
534 | ++i; |
535 | } | |
9d0881aa | 536 | putchar_unlocked ('\n'); |
7d6a8338 UD |
537 | } |
538 | ||
232b4655 | 539 | static int |
7d6a8338 UD |
540 | protocols_keys (int number, char *key[]) |
541 | { | |
542 | int result = 0; | |
543 | int i; | |
232b4655 | 544 | struct protoent *proto; |
7d6a8338 | 545 | |
9d0881aa | 546 | if (number == 0) |
7d6a8338 | 547 | { |
232b4655 | 548 | setprotoent (0); |
9d0881aa | 549 | while ((proto = getprotoent ()) != NULL) |
232b4655 UD |
550 | print_protocols (proto); |
551 | endprotoent (); | |
552 | return result; | |
553 | } | |
7d6a8338 | 554 | |
232b4655 UD |
555 | for (i = 0; i < number; ++i) |
556 | { | |
7d6a8338 UD |
557 | if (isdigit (key[i][0])) |
558 | proto = getprotobynumber (atol (key[i])); | |
559 | else | |
560 | proto = getprotobyname (key[i]); | |
561 | ||
562 | if (proto == NULL) | |
563 | result = 2; | |
564 | else | |
565 | print_protocols (proto); | |
566 | } | |
567 | ||
568 | return result; | |
569 | } | |
570 | ||
232b4655 | 571 | /* Now is all for rpc */ |
7d6a8338 | 572 | static inline void |
232b4655 | 573 | print_rpc (struct rpcent *rpc) |
7d6a8338 | 574 | { |
232b4655 | 575 | int i; |
7d6a8338 | 576 | |
9d0881aa UD |
577 | printf ("%-15s %d%s", |
578 | rpc->r_name, rpc->r_number, rpc->r_aliases[0] ? " " : ""); | |
7d6a8338 | 579 | |
232b4655 UD |
580 | for (i = 0; rpc->r_aliases[i]; ++i) |
581 | printf (" %s", rpc->r_aliases[i]); | |
9d0881aa | 582 | putchar_unlocked ('\n'); |
7d6a8338 UD |
583 | } |
584 | ||
232b4655 UD |
585 | static int |
586 | rpc_keys (int number, char *key[]) | |
7d6a8338 UD |
587 | { |
588 | int result = 0; | |
589 | int i; | |
232b4655 | 590 | struct rpcent *rpc; |
7d6a8338 | 591 | |
9d0881aa | 592 | if (number == 0) |
7d6a8338 | 593 | { |
232b4655 | 594 | setrpcent (0); |
9d0881aa | 595 | while ((rpc = getrpcent ()) != NULL) |
232b4655 UD |
596 | print_rpc (rpc); |
597 | endrpcent (); | |
598 | return result; | |
599 | } | |
7d6a8338 | 600 | |
232b4655 UD |
601 | for (i = 0; i < number; ++i) |
602 | { | |
603 | if (isdigit (key[i][0])) | |
604 | rpc = getrpcbynumber (atol (key[i])); | |
605 | else | |
606 | rpc = getrpcbyname (key[i]); | |
7d6a8338 | 607 | |
232b4655 | 608 | if (rpc == NULL) |
7d6a8338 UD |
609 | result = 2; |
610 | else | |
232b4655 | 611 | print_rpc (rpc); |
7d6a8338 UD |
612 | } |
613 | ||
614 | return result; | |
615 | } | |
616 | ||
617 | /* for services */ | |
232b4655 | 618 | static void |
7d6a8338 UD |
619 | print_services (struct servent *serv) |
620 | { | |
621 | unsigned int i; | |
622 | ||
9d0881aa | 623 | printf ("%-21s %d/%s", serv->s_name, ntohs (serv->s_port), serv->s_proto); |
7d6a8338 UD |
624 | |
625 | i = 0; | |
626 | while (serv->s_aliases[i] != NULL) | |
627 | { | |
9d0881aa UD |
628 | putchar_unlocked (' '); |
629 | fputs_unlocked (serv->s_aliases[i], stdout); | |
7d6a8338 UD |
630 | ++i; |
631 | } | |
9d0881aa | 632 | putchar_unlocked ('\n'); |
7d6a8338 UD |
633 | } |
634 | ||
232b4655 | 635 | static int |
7d6a8338 UD |
636 | services_keys (int number, char *key[]) |
637 | { | |
638 | int result = 0; | |
639 | int i; | |
232b4655 UD |
640 | struct servent *serv; |
641 | ||
642 | if (!number) | |
643 | { | |
644 | setservent (0); | |
9d0881aa | 645 | while ((serv = getservent ()) != NULL) |
232b4655 UD |
646 | print_services (serv); |
647 | endservent (); | |
648 | return result; | |
649 | } | |
7d6a8338 UD |
650 | |
651 | for (i = 0; i < number; ++i) | |
652 | { | |
653 | struct servent *serv; | |
654 | char *proto = strchr (key[i], '/'); | |
655 | ||
a70e964e UD |
656 | if (proto != NULL) |
657 | *proto++ = '\0'; | |
7d6a8338 | 658 | |
a70e964e UD |
659 | if (isdigit (key[i][0])) |
660 | serv = getservbyport (htons (atol (key[i])), proto); | |
661 | else | |
662 | serv = getservbyname (key[i], proto); | |
7d6a8338 | 663 | |
a70e964e UD |
664 | if (serv == NULL) |
665 | result = 2; | |
666 | else | |
667 | print_services (serv); | |
7d6a8338 UD |
668 | } |
669 | ||
670 | return result; | |
671 | } | |
672 | ||
232b4655 | 673 | /* This is for shadow */ |
25337753 | 674 | static void |
232b4655 | 675 | print_shadow (struct spwd *sp) |
7d6a8338 | 676 | { |
232b4655 UD |
677 | printf ("%s:%s:", |
678 | sp->sp_namp ? sp->sp_namp : "", | |
679 | sp->sp_pwdp ? sp->sp_pwdp : ""); | |
680 | ||
9d0881aa UD |
681 | #define SHADOW_FIELD(n) \ |
682 | if (sp->n == -1) \ | |
683 | putchar_unlocked (':'); \ | |
684 | else \ | |
232b4655 UD |
685 | printf ("%ld:", sp->n) |
686 | ||
687 | SHADOW_FIELD (sp_lstchg); | |
688 | SHADOW_FIELD (sp_min); | |
689 | SHADOW_FIELD (sp_max); | |
690 | SHADOW_FIELD (sp_warn); | |
691 | SHADOW_FIELD (sp_inact); | |
692 | SHADOW_FIELD (sp_expire); | |
693 | if (sp->sp_flag == ~0ul) | |
9d0881aa | 694 | putchar_unlocked ('\n'); |
232b4655 UD |
695 | else |
696 | printf ("%lu\n", sp->sp_flag); | |
697 | } | |
7d6a8338 | 698 | |
232b4655 UD |
699 | static int |
700 | shadow_keys (int number, char *key[]) | |
701 | { | |
702 | int result = 0; | |
703 | int i; | |
7d6a8338 | 704 | |
9d0881aa | 705 | if (number == 0) |
7d6a8338 | 706 | { |
232b4655 UD |
707 | struct spwd *sp; |
708 | ||
709 | setspent (); | |
9d0881aa | 710 | while ((sp = getspent ()) != NULL) |
232b4655 UD |
711 | print_shadow (sp); |
712 | endpwent (); | |
713 | return result; | |
7d6a8338 UD |
714 | } |
715 | ||
232b4655 | 716 | for (i = 0; i < number; ++i) |
7d6a8338 | 717 | { |
232b4655 | 718 | struct spwd *sp; |
7d6a8338 | 719 | |
232b4655 | 720 | sp = getspnam (key[i]); |
7d6a8338 | 721 | |
232b4655 UD |
722 | if (sp == NULL) |
723 | result = 2; | |
7d6a8338 | 724 | else |
232b4655 UD |
725 | print_shadow (sp); |
726 | } | |
7d6a8338 | 727 | |
232b4655 UD |
728 | return result; |
729 | } | |
7d6a8338 | 730 | |
232b4655 UD |
731 | struct |
732 | { | |
733 | const char *name; | |
734 | int (*func) (int number, char *key[]); | |
735 | } databases[] = | |
736 | { | |
737 | #define D(name) { #name, name ## _keys }, | |
29bfc945 | 738 | D(ahosts) |
a7d24833 UD |
739 | D(ahostsv4) |
740 | D(ahostsv6) | |
232b4655 UD |
741 | D(aliases) |
742 | D(ethers) | |
743 | D(group) | |
744 | D(hosts) | |
745 | D(netgroup) | |
746 | D(networks) | |
747 | D(passwd) | |
748 | D(protocols) | |
749 | D(rpc) | |
750 | D(services) | |
751 | D(shadow) | |
752 | #undef D | |
9d0881aa | 753 | { NULL, NULL } |
232b4655 UD |
754 | }; |
755 | ||
9d0881aa UD |
756 | /* Handle arguments found by argp. */ |
757 | static error_t | |
758 | parse_option (int key, char *arg, struct argp_state *state) | |
759 | { | |
b4f6f4be | 760 | char *endp; |
9d0881aa UD |
761 | switch (key) |
762 | { | |
763 | case 's': | |
b4f6f4be UD |
764 | endp = strchr (arg, ':'); |
765 | if (endp == NULL) | |
766 | /* No specific database, change them all. */ | |
767 | for (int i = 0; databases[i].name != NULL; ++i) | |
768 | __nss_configure_lookup (databases[i].name, arg); | |
769 | else | |
770 | { | |
771 | int i; | |
772 | for (i = 0; databases[i].name != NULL; ++i) | |
773 | if (strncmp (databases[i].name, arg, endp - arg) == 0) | |
774 | { | |
775 | __nss_configure_lookup (databases[i].name, endp + 1); | |
776 | break; | |
777 | } | |
778 | if (databases[i].name == NULL) | |
779 | error (EXIT_FAILURE, 0, gettext ("Unknown database name")); | |
780 | } | |
9d0881aa UD |
781 | break; |
782 | ||
783 | default: | |
784 | return ARGP_ERR_UNKNOWN; | |
785 | } | |
786 | ||
787 | return 0; | |
788 | } | |
789 | ||
232b4655 | 790 | |
f69425fa UD |
791 | static char * |
792 | more_help (int key, const char *text, void *input) | |
793 | { | |
f69425fa | 794 | switch (key) |
232b4655 | 795 | { |
b4f6f4be UD |
796 | size_t len; |
797 | char *doc; | |
798 | FILE *fp; | |
799 | ||
f69425fa UD |
800 | case ARGP_KEY_HELP_EXTRA: |
801 | /* We print some extra information. */ | |
b4f6f4be UD |
802 | fp = open_memstream (&doc, &len); |
803 | if (fp != NULL) | |
7d6a8338 | 804 | { |
b4f6f4be | 805 | fputs_unlocked (_("Supported databases:\n"), fp); |
f69425fa | 806 | |
b4f6f4be | 807 | for (int i = 0, col = 0; databases[i].name != NULL; ++i) |
7d6a8338 | 808 | { |
f69425fa UD |
809 | len = strlen (databases[i].name); |
810 | if (i != 0) | |
232b4655 | 811 | { |
f69425fa UD |
812 | if (col + len > 72) |
813 | { | |
814 | col = 0; | |
b4f6f4be | 815 | fputc_unlocked ('\n', fp); |
f69425fa UD |
816 | } |
817 | else | |
b4f6f4be | 818 | fputc_unlocked (' ', fp); |
232b4655 | 819 | } |
f69425fa | 820 | |
b4f6f4be | 821 | fputs_unlocked (databases[i].name, fp); |
f69425fa | 822 | col += len + 1; |
7d6a8338 | 823 | } |
232b4655 | 824 | |
b4f6f4be UD |
825 | if (fclose (fp) == 0) |
826 | return doc; | |
7d6a8338 | 827 | } |
f69425fa | 828 | break; |
232b4655 | 829 | |
f69425fa UD |
830 | default: |
831 | break; | |
832 | } | |
833 | return (char *) text; | |
232b4655 UD |
834 | } |
835 | ||
f69425fa | 836 | |
232b4655 UD |
837 | /* the main function */ |
838 | int | |
839 | main (int argc, char *argv[]) | |
840 | { | |
a334319f | 841 | int remaining, i; |
232b4655 UD |
842 | |
843 | /* Set locale via LC_ALL. */ | |
844 | setlocale (LC_ALL, ""); | |
845 | /* Set the text message domain. */ | |
846 | textdomain (PACKAGE); | |
847 | ||
232b4655 UD |
848 | /* Parse and process arguments. */ |
849 | argp_parse (&argp, argc, argv, 0, &remaining, NULL); | |
850 | ||
851 | if ((argc - remaining) < 1) | |
852 | { | |
853 | error (0, 0, gettext ("wrong number of arguments")); | |
7d6a8338 UD |
854 | argp_help (&argp, stdout, ARGP_HELP_SEE, program_invocation_short_name); |
855 | return 1; | |
856 | } | |
857 | ||
a334319f | 858 | for (i = 0; databases[i].name; ++i) |
9d0881aa UD |
859 | if (argv[remaining][0] == databases[i].name[0] |
860 | && !strcmp (argv[remaining], databases[i].name)) | |
861 | return databases[i].func (argc - remaining - 1, &argv[remaining + 1]); | |
232b4655 | 862 | |
9d0881aa | 863 | fprintf (stderr, _("Unknown database: %s\n"), argv[remaining]); |
232b4655 UD |
864 | argp_help (&argp, stdout, ARGP_HELP_SEE, program_invocation_short_name); |
865 | return 1; | |
7d6a8338 | 866 | } |