1 /*- 2 * Copyright (C) 1996 3 * David L. Nugent. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY DAVID L. NUGENT AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL DAVID L. NUGENT OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27 #ifndef lint 28 static const char rcsid[] = 29 "$FreeBSD$"; 30 #endif /* not lint */ 31 32 #include <err.h> 33 #include <grp.h> 34 #include <libutil.h> 35 #include <stdio.h> 36 #include <stdlib.h> 37 #include <unistd.h> 38 39 #include "pwupd.h" 40 41 char * 42 getgrpath(const char * file) 43 { 44 static char pathbuf[MAXPATHLEN]; 45 46 snprintf(pathbuf, sizeof pathbuf, "%s/%s", conf.etcpath, file); 47 48 return (pathbuf); 49 } 50 51 static int 52 gr_update(struct group * grp, char const * group) 53 { 54 int pfd, tfd; 55 struct group *gr = NULL; 56 struct group *old_gr = NULL; 57 58 if (grp != NULL) 59 gr = gr_dup(grp); 60 61 if (group != NULL) 62 old_gr = GETGRNAM(group); 63 64 if (gr_init(conf.etcpath, NULL)) 65 err(1, "gr_init()"); 66 67 if ((pfd = gr_lock()) == -1) { 68 gr_fini(); 69 err(1, "gr_lock()"); 70 } 71 if ((tfd = gr_tmp(-1)) == -1) { 72 gr_fini(); 73 err(1, "gr_tmp()"); 74 } 75 if (gr_copy(pfd, tfd, gr, old_gr) == -1) { 76 gr_fini(); 77 close(tfd); 78 err(1, "gr_copy()"); 79 } 80 fsync(tfd); 81 close(tfd); 82 if (gr_mkdb() == -1) { 83 gr_fini(); 84 err(1, "gr_mkdb()"); 85 } 86 free(gr); 87 gr_fini(); 88 return 0; 89 } 90 91 92 int 93 addgrent(struct group * grp) 94 { 95 return gr_update(grp, NULL); 96 } 97 98 int 99 chggrent(char const * login, struct group * grp) 100 { 101 return gr_update(grp, login); 102 } 103 104 int 105 delgrent(struct group * grp) 106 { 107 108 return (gr_update(NULL, grp->gr_name)); 109 } 110