2 * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
3 * Copyright (c) 1998-1999 by Internet Software Consortium.
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
9 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
15 * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 #if defined(LIBC_SCCS) && !defined(lint)
19 static const char rcsid[] = "$Id: getpwent_r.c,v 1.5.206.2 2004/09/17 13:32:37 marka Exp $";
20 #endif /* LIBC_SCCS and not lint */
22 #include <port_before.h>
23 #if !defined(_REENTRANT) || !defined(DO_PTHREADS) || !defined(WANT_IRS_PW)
24 static int getpwent_r_not_required = 0;
29 #include <sys/types.h>
30 #if (defined(POSIX_GETPWNAM_R) || defined(POSIX_GETPWUID_R))
31 #if defined(_POSIX_PTHREAD_SEMANTICS)
32 /* turn off solaris remapping in <grp.h> */
33 #undef _POSIX_PTHREAD_SEMANTICS
35 #define _POSIX_PTHREAD_SEMANTICS 1
43 #include <port_after.h>
48 copy_passwd(struct passwd *, struct passwd *, char *buf, int buflen);
51 #ifdef POSIX_GETPWNAM_R
53 __posix_getpwnam_r(const char *login, struct passwd *pwptr,
54 char *buf, size_t buflen, struct passwd **result) {
57 getpwnam_r(const char *login, struct passwd *pwptr,
58 char *buf, size_t buflen, struct passwd **result) {
60 struct passwd *pw = getpwnam(login);
68 res = copy_passwd(pw, pwptr, buf, buflen);
69 *result = res ? NULL : pwptr;
73 #ifdef POSIX_GETPWNAM_R
75 getpwnam_r(const char *login, struct passwd *pwptr, char *buf, int buflen) {
76 struct passwd *pw = getpwnam(login);
82 res = copy_passwd(pw, pwptr, buf, buflen);
83 return (res ? NULL : pwptr);
88 #ifdef POSIX_GETPWUID_R
90 __posix_getpwuid_r(uid_t uid, struct passwd *pwptr,
91 char *buf, int buflen, struct passwd **result) {
94 getpwuid_r(uid_t uid, struct passwd *pwptr,
95 char *buf, size_t buflen, struct passwd **result) {
97 struct passwd *pw = getpwuid(uid);
105 res = copy_passwd(pw, pwptr, buf, buflen);
106 *result = res ? NULL : pwptr;
110 #ifdef POSIX_GETPWUID_R
112 getpwuid_r(uid_t uid, struct passwd *pwptr, char *buf, int buflen) {
113 struct passwd *pw = getpwuid(uid);
119 res = copy_passwd(pw, pwptr, buf, buflen);
120 return (res ? NULL : pwptr);
125 * These assume a single context is in operation per thread.
126 * If this is not the case we will need to call irs directly
127 * rather than through the base functions.
131 getpwent_r(struct passwd *pwptr, PASS_R_ARGS) {
132 struct passwd *pw = getpwent();
138 res = copy_passwd(pw, pwptr, buf, buflen);
139 return (res ? PASS_R_BAD : PASS_R_OK);
143 #ifdef PASS_R_ENT_ARGS
144 setpassent_r(int stayopen, PASS_R_ENT_ARGS)
146 setpassent_r(int stayopen)
150 setpassent(stayopen);
151 #ifdef PASS_R_SET_RESULT
152 return (PASS_R_SET_RESULT);
157 #ifdef PASS_R_ENT_ARGS
158 setpwent_r(PASS_R_ENT_ARGS)
165 #ifdef PASS_R_SET_RESULT
166 return (PASS_R_SET_RESULT);
171 #ifdef PASS_R_ENT_ARGS
172 endpwent_r(PASS_R_ENT_ARGS)
179 PASS_R_END_RESULT(PASS_R_OK);
185 fgetpwent_r(FILE *f, struct passwd *pwptr, PASS_R_COPY_ARGS) {
186 struct passwd *pw = fgetpwent(f);
192 res = copy_passwd(pw, pwptr, PASS_R_COPY);
193 return (res ? PASS_R_BAD : PASS_R_OK );
200 copy_passwd(struct passwd *pw, struct passwd *pwptr, char *buf, int buflen) {
205 /* Find out the amount of space required to store the answer. */
206 len = strlen(pw->pw_name) + 1;
207 len += strlen(pw->pw_passwd) + 1;
209 len += strlen(pw->pw_class) + 1;
211 len += strlen(pw->pw_gecos) + 1;
212 len += strlen(pw->pw_dir) + 1;
213 len += strlen(pw->pw_shell) + 1;
220 /* copy fixed atomic values*/
221 pwptr->pw_uid = pw->pw_uid;
222 pwptr->pw_gid = pw->pw_gid;
223 #ifdef HAVE_PW_CHANGE
224 pwptr->pw_change = pw->pw_change;
226 #ifdef HAVE_PW_EXPIRE
227 pwptr->pw_expire = pw->pw_expire;
232 /* copy official name */
233 n = strlen(pw->pw_name) + 1;
234 strcpy(cp, pw->pw_name);
239 n = strlen(pw->pw_passwd) + 1;
240 strcpy(cp, pw->pw_passwd);
241 pwptr->pw_passwd = cp;
246 n = strlen(pw->pw_class) + 1;
247 strcpy(cp, pw->pw_class);
248 pwptr->pw_class = cp;
253 n = strlen(pw->pw_gecos) + 1;
254 strcpy(cp, pw->pw_gecos);
255 pwptr->pw_gecos = cp;
259 n = strlen(pw->pw_dir) + 1;
260 strcpy(cp, pw->pw_dir);
264 /* copy login shell */
265 n = strlen(pw->pw_shell) + 1;
266 strcpy(cp, pw->pw_shell);
267 pwptr->pw_shell = cp;
272 #else /* PASS_R_RETURN */
273 static int getpwent_r_unknown_system = 0;
274 #endif /* PASS_R_RETURN */
275 #endif /* !def(_REENTRANT) || !def(DO_PTHREADS) || !def(WANT_IRS_PW) */