diff options
Diffstat (limited to 'usr.sbin/makefs/getid.c')
| -rw-r--r-- | usr.sbin/makefs/getid.c | 429 |
1 files changed, 0 insertions, 429 deletions
diff --git a/usr.sbin/makefs/getid.c b/usr.sbin/makefs/getid.c deleted file mode 100644 index 939d943..0000000 --- a/usr.sbin/makefs/getid.c +++ /dev/null @@ -1,429 +0,0 @@ -/* $NetBSD: getid.c,v 1.5 2004/06/20 22:20:18 jmc Exp $ */ -/* from: NetBSD: getpwent.c,v 1.48 2000/10/03 03:22:26 enami Exp */ -/* from: NetBSD: getgrent.c,v 1.41 2002/01/12 23:51:30 lukem Exp */ - -/* - * Copyright (c) 1987, 1988, 1989, 1993, 1994, 1995 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -/*- - * Copyright (c) 2002 The NetBSD Foundation, Inc. - * All rights reserved. - * - * This code is derived from software contributed to The NetBSD Foundation - * by Luke Mewburn of Wasabi Systems. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS - * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED - * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS - * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <sys/param.h> - -#include <grp.h> -#include <limits.h> -#include <pwd.h> -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include <time.h> -#include <unistd.h> - -#include "makefs.h" - -#include "mtree.h" -#include "extern.h" - -static struct group * gi_getgrnam(const char *); -static struct group * gi_getgrgid(gid_t); -static int gi_setgroupent(int); -static void gi_endgrent(void); -static int grstart(void); -static int grscan(int, gid_t, const char *); -static int grmatchline(int, gid_t, const char *); - -static struct passwd * gi_getpwnam(const char *); -static struct passwd * gi_getpwuid(uid_t); -static int gi_setpassent(int); -static void gi_endpwent(void); -static int pwstart(void); -static int pwscan(int, uid_t, const char *); -static int pwmatchline(int, uid_t, const char *); - -#define MAXGRP 200 -#define MAXLINELENGTH 1024 - -static FILE *_gr_fp; -static struct group _gr_group; -static int _gr_stayopen; -static int _gr_filesdone; -static FILE *_pw_fp; -static struct passwd _pw_passwd; /* password structure */ -static int _pw_stayopen; /* keep fd's open */ -static int _pw_filesdone; - -static char grfile[MAXPATHLEN]; -static char pwfile[MAXPATHLEN]; - -static char *members[MAXGRP]; -static char grline[MAXLINELENGTH]; -static char pwline[MAXLINELENGTH]; - -int -setup_getid(const char *dir) -{ - if (dir == NULL) - return (0); - - /* close existing databases */ - gi_endgrent(); - gi_endpwent(); - - /* build paths to new databases */ - snprintf(grfile, sizeof(grfile), "%s/group", dir); - snprintf(pwfile, sizeof(pwfile), "%s/master.passwd", dir); - - /* try to open new databases */ - if (!grstart() || !pwstart()) - return (0); - - /* switch pwcache(3) lookup functions */ - if (pwcache_groupdb(gi_setgroupent, gi_endgrent, - gi_getgrnam, gi_getgrgid) == -1 - || pwcache_userdb(gi_setpassent, gi_endpwent, - gi_getpwnam, gi_getpwuid) == -1) - return (0); - - return (1); -} - - -/* - * group lookup functions - */ - -static struct group * -gi_getgrnam(const char *name) -{ - int rval; - - if (!grstart()) - return NULL; - rval = grscan(1, 0, name); - if (!_gr_stayopen) - endgrent(); - return (rval) ? &_gr_group : NULL; -} - -static struct group * -gi_getgrgid(gid_t gid) -{ - int rval; - - if (!grstart()) - return NULL; - rval = grscan(1, gid, NULL); - if (!_gr_stayopen) - endgrent(); - return (rval) ? &_gr_group : NULL; -} - -static int -gi_setgroupent(int stayopen) -{ - - if (!grstart()) - return 0; - _gr_stayopen = stayopen; - return 1; -} - -static void -gi_endgrent(void) -{ - - _gr_filesdone = 0; - if (_gr_fp) { - (void)fclose(_gr_fp); - _gr_fp = NULL; - } -} - -static int -grstart(void) -{ - - _gr_filesdone = 0; - if (_gr_fp) { - rewind(_gr_fp); - return 1; - } - if (grfile[0] == '\0') /* sanity check */ - return 0; - return (_gr_fp = fopen(grfile, "r")) ? 1 : 0; -} - - -static int -grscan(int search, gid_t gid, const char *name) -{ - - if (_gr_filesdone) - return 0; - for (;;) { - if (!fgets(grline, sizeof(grline), _gr_fp)) { - if (!search) - _gr_filesdone = 1; - return 0; - } - /* skip lines that are too big */ - if (!strchr(grline, '\n')) { - int ch; - - while ((ch = getc(_gr_fp)) != '\n' && ch != EOF) - ; - continue; - } - if (grmatchline(search, gid, name)) - return 1; - } - /* NOTREACHED */ -} - -static int -grmatchline(int search, gid_t gid, const char *name) -{ - unsigned long id; - char **m; - char *cp, *bp, *ep; - - /* name may be NULL if search is nonzero */ - - bp = grline; - memset(&_gr_group, 0, sizeof(_gr_group)); - _gr_group.gr_name = strsep(&bp, ":\n"); - if (search && name && strcmp(_gr_group.gr_name, name)) - return 0; - _gr_group.gr_passwd = strsep(&bp, ":\n"); - if (!(cp = strsep(&bp, ":\n"))) - return 0; - id = strtoul(cp, &ep, 10); - if (id > GID_MAX || *ep != '\0') - return 0; - _gr_group.gr_gid = (gid_t)id; - if (search && name == NULL && _gr_group.gr_gid != gid) - return 0; - cp = NULL; - if (bp == NULL) - return 0; - for (_gr_group.gr_mem = m = members;; bp++) { - if (m == &members[MAXGRP - 1]) - break; - if (*bp == ',') { - if (cp) { - *bp = '\0'; - *m++ = cp; - cp = NULL; - } - } else if (*bp == '\0' || *bp == '\n' || *bp == ' ') { - if (cp) { - *bp = '\0'; - *m++ = cp; - } - break; - } else if (cp == NULL) - cp = bp; - } - *m = NULL; - return 1; -} - - -/* - * user lookup functions - */ - -static struct passwd * -gi_getpwnam(const char *name) -{ - int rval; - - if (!pwstart()) - return NULL; - rval = pwscan(1, 0, name); - if (!_pw_stayopen) - endpwent(); - return (rval) ? &_pw_passwd : NULL; -} - -static struct passwd * -gi_getpwuid(uid_t uid) -{ - int rval; - - if (!pwstart()) - return NULL; - rval = pwscan(1, uid, NULL); - if (!_pw_stayopen) - endpwent(); - return (rval) ? &_pw_passwd : NULL; -} - -static int -gi_setpassent(int stayopen) -{ - - if (!pwstart()) - return 0; - _pw_stayopen = stayopen; - return 1; -} - -static void -gi_endpwent(void) -{ - - _pw_filesdone = 0; - if (_pw_fp) { - (void)fclose(_pw_fp); - _pw_fp = NULL; - } -} - -static int -pwstart(void) -{ - - _pw_filesdone = 0; - if (_pw_fp) { - rewind(_pw_fp); - return 1; - } - if (pwfile[0] == '\0') /* sanity check */ - return 0; - return (_pw_fp = fopen(pwfile, "r")) ? 1 : 0; -} - - -static int -pwscan(int search, uid_t uid, const char *name) -{ - - if (_pw_filesdone) - return 0; - for (;;) { - if (!fgets(pwline, sizeof(pwline), _pw_fp)) { - if (!search) - _pw_filesdone = 1; - return 0; - } - /* skip lines that are too big */ - if (!strchr(pwline, '\n')) { - int ch; - - while ((ch = getc(_pw_fp)) != '\n' && ch != EOF) - ; - continue; - } - if (pwmatchline(search, uid, name)) - return 1; - } - /* NOTREACHED */ -} - -static int -pwmatchline(int search, uid_t uid, const char *name) -{ - unsigned long id; - char *cp, *bp, *ep; - - /* name may be NULL if search is nonzero */ - - bp = pwline; - memset(&_pw_passwd, 0, sizeof(_pw_passwd)); - _pw_passwd.pw_name = strsep(&bp, ":\n"); /* name */ - if (search && name && strcmp(_pw_passwd.pw_name, name)) - return 0; - - _pw_passwd.pw_passwd = strsep(&bp, ":\n"); /* passwd */ - - if (!(cp = strsep(&bp, ":\n"))) /* uid */ - return 0; - id = strtoul(cp, &ep, 10); - if (id > UID_MAX || *ep != '\0') - return 0; - _pw_passwd.pw_uid = (uid_t)id; - if (search && name == NULL && _pw_passwd.pw_uid != uid) - return 0; - - if (!(cp = strsep(&bp, ":\n"))) /* gid */ - return 0; - id = strtoul(cp, &ep, 10); - if (id > GID_MAX || *ep != '\0') - return 0; - _pw_passwd.pw_gid = (gid_t)id; - - if (!(ep = strsep(&bp, ":"))) /* class */ - return 0; - if (!(ep = strsep(&bp, ":"))) /* change */ - return 0; - if (!(ep = strsep(&bp, ":"))) /* expire */ - return 0; - - if (!(_pw_passwd.pw_gecos = strsep(&bp, ":\n"))) /* gecos */ - return 0; - if (!(_pw_passwd.pw_dir = strsep(&bp, ":\n"))) /* directory */ - return 0; - if (!(_pw_passwd.pw_shell = strsep(&bp, ":\n"))) /* shell */ - return 0; - - if (strchr(bp, ':') != NULL) - return 0; - - return 1; -} |
