1 /* Copyright (c) 1997-2013 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
5 The GNU C Library is free software; you can redistribute it and/or
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.
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
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
24 #include <sys/types.h>
26 #include <rpcsvc/nis.h>
28 #define DEFAULT_TTL 43200
31 ** Some functions for parsing the -D param and NIS_DEFAULTS Environ
34 searchXYX (char *str, const char *what)
36 assert (strlen (what) == 6);
37 assert (strncmp (str, what, 6) == 0);
38 str += 6; /* Points to the begin of the parameters. */
41 while (str[i] != '\0' && str[i] != ':')
43 if (i == 0) /* only "<WHAT>=" ? */
46 return strndup (str, i);
51 searchgroup (char *str)
53 return searchXYX (str, "group=");
58 searchowner (char *str)
60 return searchXYX (str, "owner=");
67 char buf[strlen (str) + 1];
72 dptr = strstr (str, "ttl=");
73 if (dptr == NULL) /* should (could) not happen */
76 dptr += 4; /* points to the begin of the new ttl */
78 while (dptr[i] != '\0' && dptr[i] != ':')
80 if (i == 0) /* only "ttl=" ? */
83 strncpy (buf, dptr, i);
88 cptr = strchr (dptr, 'd');
93 time += atoi (dptr) * 60 * 60 * 24;
97 cptr = strchr (dptr, 'h');
102 time += atoi (dptr) * 60 * 60;
106 cptr = strchr (dptr, 'm');
111 time += atoi (dptr) * 60;
115 cptr = strchr (dptr, 's');
125 searchaccess (char *str, unsigned int access)
127 char buf[strlen (str) + 1];
129 unsigned int result = access;
133 cptr = strstr (str, "access=");
137 cptr += 7; /* points to the begin of the access string */
139 while (cptr[i] != '\0' && cptr[i] != ':')
141 if (i == 0) /* only "access=" ? */
144 strncpy (buf, cptr, i);
149 if (*cptr == ',') /* Fix for stupid Solaris scripts */
151 while (*cptr != '\0')
171 cptr++; /* Remove "-" from beginning */
172 while (*cptr != '\0' && *cptr != ',')
178 result = result & ~(NIS_READ_ACC << 24);
180 result = result & ~(NIS_READ_ACC << 16);
182 result = result & ~(NIS_READ_ACC << 8);
184 result = result & ~(NIS_READ_ACC);
188 result = result & ~(NIS_MODIFY_ACC << 24);
190 result = result & ~(NIS_MODIFY_ACC << 16);
192 result = result & ~(NIS_MODIFY_ACC << 8);
194 result = result & ~(NIS_MODIFY_ACC);
198 result = result & ~(NIS_CREATE_ACC << 24);
200 result = result & ~(NIS_CREATE_ACC << 16);
202 result = result & ~(NIS_CREATE_ACC << 8);
204 result = result & ~(NIS_CREATE_ACC);
208 result = result & ~(NIS_DESTROY_ACC << 24);
210 result = result & ~(NIS_DESTROY_ACC << 16);
212 result = result & ~(NIS_DESTROY_ACC << 8);
214 result = result & ~(NIS_DESTROY_ACC);
224 cptr++; /* Remove "+" from beginning */
225 while (*cptr != '\0' && *cptr != ',')
231 result = result | (NIS_READ_ACC << 24);
233 result = result | (NIS_READ_ACC << 16);
235 result = result | (NIS_READ_ACC << 8);
237 result = result | (NIS_READ_ACC);
241 result = result | (NIS_MODIFY_ACC << 24);
243 result = result | (NIS_MODIFY_ACC << 16);
245 result = result | (NIS_MODIFY_ACC << 8);
247 result = result | (NIS_MODIFY_ACC);
251 result = result | (NIS_CREATE_ACC << 24);
253 result = result | (NIS_CREATE_ACC << 16);
255 result = result | (NIS_CREATE_ACC << 8);
257 result = result | (NIS_CREATE_ACC);
261 result = result | (NIS_DESTROY_ACC << 24);
263 result = result | (NIS_DESTROY_ACC << 16);
265 result = result | (NIS_DESTROY_ACC << 8);
267 result = result | (NIS_DESTROY_ACC);
277 cptr++; /* Remove "=" from beginning */
280 result = result & ~((NIS_READ_ACC + NIS_MODIFY_ACC +
281 NIS_CREATE_ACC + NIS_DESTROY_ACC) << 24);
284 result = result & ~((NIS_READ_ACC + NIS_MODIFY_ACC +
285 NIS_CREATE_ACC + NIS_DESTROY_ACC) << 16);
287 result = result & ~((NIS_READ_ACC + NIS_MODIFY_ACC +
288 NIS_CREATE_ACC + NIS_DESTROY_ACC) << 8);
290 result = result & ~(NIS_READ_ACC + NIS_MODIFY_ACC +
291 NIS_CREATE_ACC + NIS_DESTROY_ACC);
292 while (*cptr != '\0' && *cptr != ',')
298 result = result | (NIS_READ_ACC << 24);
300 result = result | (NIS_READ_ACC << 16);
302 result = result | (NIS_READ_ACC << 8);
304 result = result | (NIS_READ_ACC);
308 result = result | (NIS_MODIFY_ACC << 24);
310 result = result | (NIS_MODIFY_ACC << 16);
312 result = result | (NIS_MODIFY_ACC << 8);
314 result = result | (NIS_MODIFY_ACC);
318 result = result | (NIS_CREATE_ACC << 24);
320 result = result | (NIS_CREATE_ACC << 16);
322 result = result | (NIS_CREATE_ACC << 8);
324 result = result | (NIS_CREATE_ACC);
328 result = result | (NIS_DESTROY_ACC << 24);
330 result = result | (NIS_DESTROY_ACC << 16);
332 result = result | (NIS_DESTROY_ACC << 8);
334 result = result | (NIS_DESTROY_ACC);
337 return result = (~0U);
344 return result = (~0U);
355 __nis_default_owner (char *defaults)
357 char *default_owner = NULL;
359 char *cptr = defaults;
361 cptr = getenv ("NIS_DEFAULTS");
365 char *dptr = strstr (cptr, "owner=");
368 char *p = searchowner (dptr);
371 default_owner = strdupa (p);
376 return strdup (default_owner ?: nis_local_principal ());
378 libnsl_hidden_def (__nis_default_owner)
382 __nis_default_group (char *defaults)
384 char *default_group = NULL;
386 char *cptr = defaults;
388 cptr = getenv ("NIS_DEFAULTS");
392 char *dptr = strstr (cptr, "group=");
395 char *p = searchgroup (dptr);
398 default_group = strdupa (p);
403 return strdup (default_group ?: nis_local_group ());
405 libnsl_hidden_def (__nis_default_group)
409 __nis_default_ttl (char *defaults)
413 if (defaults != NULL)
415 dptr = strstr (defaults, "ttl=");
417 return searchttl (defaults);
420 cptr = getenv ("NIS_DEFAULTS");
424 dptr = strstr (cptr, "ttl=");
428 return searchttl (cptr);
431 /* Default access rights are ----rmcdr---r---, but we could change
432 this with the NIS_DEFAULTS variable. */
434 __nis_default_access (char *param, unsigned int defaults)
440 result = 0 | OWNER_DEFAULT | GROUP_DEFAULT | WORLD_DEFAULT;
444 if (param != NULL && strstr (param, "access=") != NULL)
445 result = searchaccess (param, result);
448 cptr = getenv ("NIS_DEFAULTS");
449 if (cptr != NULL && strstr (cptr, "access=") != NULL)
450 result = searchaccess (cptr, result);
455 libnsl_hidden_def (__nis_default_access)