4ef23ce695
package does have BXA export approval, but the licensing strings on the dnssafe code are a bit unpleasant. The crypto is easy to restore and bind will run without it - just without full dnssec support. Obtained from: The Internet Software Consortium (www.isc.org)
254 lines
5.5 KiB
C
254 lines
5.5 KiB
C
/*
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* Copyright (c) 1998-1999 by Internet Software Consortium.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
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* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
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* CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
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* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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* SOFTWARE.
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*/
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#if defined(LIBC_SCCS) && !defined(lint)
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static const char rcsid[] = "$Id: getpwent_r.c,v 8.3 1999/01/08 19:24:33 vixie Exp $";
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#endif /* LIBC_SCCS and not lint */
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#include <port_before.h>
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#if !defined(_REENTRANT) || !defined(DO_PTHREADS) || !defined(WANT_IRS_PW)
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static int getpwent_r_not_required = 0;
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#else
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#include <errno.h>
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#include <string.h>
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#include <stdio.h>
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#include <sys/types.h>
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#include <pwd.h>
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#include <port_after.h>
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#ifdef PASS_R_RETURN
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static int
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copy_passwd(struct passwd *, struct passwd *, char *buf, int buflen);
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/* POSIX 1003.1c */
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#ifdef POSIX_GETPWNAM_R
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int
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__posix_getpwnam_r(const char *login, struct passwd *pwptr,
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char *buf, size_t buflen, struct passwd **result) {
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#else
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int
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getpwnam_r(const char *login, struct passwd *pwptr,
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char *buf, size_t buflen, struct passwd **result) {
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#endif
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struct passwd *pw = getpwnam(login);
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int res;
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if (pw == NULL) {
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*result = NULL;
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return (-1);
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}
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res = copy_passwd(pw, pwptr, buf, buflen);
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*result = res ? NULL : pwptr;
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return (res);
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}
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#ifdef POSIX_GETPWNAM_R
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struct passwd *
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getpwnam_r(const char *login, struct passwd *pwptr, char *buf, int buflen) {
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struct passwd *pw = getpwnam(login);
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int res;
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if (pw == NULL)
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return (NULL);
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res = copy_passwd(pw, pwptr, buf, buflen);
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return (res ? NULL : pwptr);
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}
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#endif
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/* POSIX 1003.1c */
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#ifdef POSIX_GETPWUID_R
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int
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__posix_getpwuid_r(uid_t uid, struct passwd *pwptr,
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char *buf, int buflen, struct passwd **result) {
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#else
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int
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getpwuid_r(uid_t uid, struct passwd *pwptr,
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char *buf, size_t buflen, struct passwd **result) {
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#endif
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struct passwd *pw = getpwuid(uid);
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int res;
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if (pw == NULL) {
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*result = NULL;
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return (-1);
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}
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res = copy_passwd(pw, pwptr, buf, buflen);
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*result = res ? NULL : pwptr;
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return (res);
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}
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#ifdef POSIX_GETPWUID_R
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struct passwd *
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getpwuid_r(uid_t uid, struct passwd *pwptr, char *buf, int buflen) {
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struct passwd *pw = getpwuid(uid);
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int res;
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if (pw == NULL)
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return (NULL);
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res = copy_passwd(pw, pwptr, buf, buflen);
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return (res ? NULL : pwptr);
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}
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#endif
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/*
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* These assume a single context is in operation per thread.
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* If this is not the case we will need to call irs directly
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* rather than through the base functions.
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*/
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PASS_R_RETURN
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getpwent_r(struct passwd *pwptr, PASS_R_ARGS) {
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struct passwd *pw = getpwent();
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int res;
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if (pw == NULL)
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return (PASS_R_BAD);
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res = copy_passwd(pw, pwptr, buf, buflen);
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return (res ? PASS_R_BAD : PASS_R_OK);
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}
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PASS_R_SET_RETURN
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#ifdef PASS_R_ENT_ARGS
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setpassent_r(int stayopen, PASS_R_ENT_ARGS)
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#else
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setpassent_r(int stayopen)
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#endif
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{
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setpassent(stayopen);
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#ifdef PASS_R_SET_RESULT
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return (PASS_R_SET_RESULT);
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#endif
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}
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PASS_R_SET_RETURN
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setpwent_r(PASS_R_ENT_ARGS) {
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setpwent();
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#ifdef PASS_R_SET_RESULT
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return (PASS_R_SET_RESULT);
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#endif
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}
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PASS_R_END_RETURN
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endpwent_r(PASS_R_ENT_ARGS) {
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endpwent();
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PASS_R_END_RESULT(PASS_R_OK);
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}
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#ifdef HAS_FGETPWENT
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PASS_R_RETURN
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fgetpwent_r(FILE *f, struct passwd *pwptr, PASS_R_COPY_ARGS) {
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struct passwd *pw = fgetpwent(f);
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int res;
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if (pw == NULL)
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return (PASS_R_BAD);
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res = copy_passwd(pw, pwptr, PASS_R_COPY);
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return (res ? PASS_R_BAD : PASS_R_OK );
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}
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#endif
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/* Private */
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static int
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copy_passwd(struct passwd *pw, struct passwd *pwptr, char *buf, int buflen) {
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char *cp;
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int i, n;
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int numptr, len;
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/* Find out the amount of space required to store the answer. */
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len = strlen(pw->pw_name) + 1;
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len += strlen(pw->pw_passwd) + 1;
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#ifdef HAVE_PW_CLASS
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len += strlen(pw->pw_class) + 1;
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#endif
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len += strlen(pw->pw_gecos) + 1;
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len += strlen(pw->pw_dir) + 1;
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len += strlen(pw->pw_shell) + 1;
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if (len > buflen) {
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errno = ERANGE;
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return (-1);
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}
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/* copy fixed atomic values*/
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pwptr->pw_uid = pw->pw_uid;
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pwptr->pw_gid = pw->pw_gid;
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#ifdef HAVE_PW_CHANGE
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pwptr->pw_change = pw->pw_change;
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#endif
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#ifdef HAVE_PW_EXPIRE
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pwptr->pw_expire = pw->pw_expire;
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#endif
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cp = buf;
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/* copy official name */
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n = strlen(pw->pw_name) + 1;
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strcpy(cp, pw->pw_name);
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pwptr->pw_name = cp;
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cp += n;
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/* copy password */
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n = strlen(pw->pw_passwd) + 1;
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strcpy(cp, pw->pw_passwd);
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pwptr->pw_passwd = cp;
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cp += n;
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#ifdef HAVE_PW_CLASS
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/* copy class */
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n = strlen(pw->pw_class) + 1;
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strcpy(cp, pw->pw_class);
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pwptr->pw_class = cp;
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cp += n;
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#endif
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/* copy gecos */
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n = strlen(pw->pw_gecos) + 1;
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strcpy(cp, pw->pw_gecos);
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pwptr->pw_gecos = cp;
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cp += n;
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/* copy directory */
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n = strlen(pw->pw_dir) + 1;
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strcpy(cp, pw->pw_dir);
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pwptr->pw_dir = cp;
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cp += n;
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/* copy login shell */
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n = strlen(pw->pw_shell) + 1;
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strcpy(cp, pw->pw_shell);
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pwptr->pw_shell = cp;
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cp += n;
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return (0);
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}
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#else /* PASS_R_RETURN */
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static int getpwent_r_unknown_systemm = 0;
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#endif /* PASS_R_RETURN */
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#endif /* !def(_REENTRANT) || !def(DO_PTHREADS) || !def(WANT_IRS_PW) */
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