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 <grp.h> 33 #include <libutil.h> 34 #include <err.h> 35 #include <stdio.h> 36 #include <stdlib.h> 37 #include <string.h> 38 #include <unistd.h> 39 #include <stdarg.h> 40 #include <sys/types.h> 41 #include <sys/stat.h> 42 #include <sys/param.h> 43 44 #include "pwupd.h" 45 46 static char * grpath = _PATH_PWD; 47 48 int 49 setgrdir(const char * dir) 50 { 51 if (dir == NULL) 52 return -1; 53 else 54 grpath = strdup(dir); 55 if (grpath == NULL) 56 return -1; 57 58 return 0; 59 } 60 61 char * 62 getgrpath(const char * file) 63 { 64 static char pathbuf[MAXPATHLEN]; 65 66 snprintf(pathbuf, sizeof pathbuf, "%s/%s", grpath, file); 67 return pathbuf; 68 } 69 70 static int 71 gr_update(struct group * grp, char const * group) 72 { 73 int pfd, tfd; 74 struct group *gr = NULL; 75 struct group *old_gr = NULL; 76 77 if (grp != NULL) 78 gr = gr_dup(grp); 79 80 if (group != NULL) 81 old_gr = GETGRNAM(group); 82 83 if (gr_init(grpath, NULL)) 84 err(1, "gr_init()"); 85 86 if ((pfd = gr_lock()) == -1) { 87 gr_fini(); 88 err(1, "gr_lock()"); 89 } 90 if ((tfd = gr_tmp(-1)) == -1) { 91 gr_fini(); 92 err(1, "gr_tmp()"); 93 } 94 if (gr_copy(pfd, tfd, gr, old_gr) == -1) { 95 gr_fini(); 96 err(1, "gr_copy()"); 97 } 98 if (gr_mkdb() == -1) { 99 gr_fini(); 100 err(1, "gr_mkdb()"); 101 } 102 free(gr); 103 gr_fini(); 104 return 0; 105 } 106 107 108 int 109 addgrent(struct group * grp) 110 { 111 return gr_update(grp, NULL); 112 } 113 114 int 115 chggrent(char const * login, struct group * grp) 116 { 117 return gr_update(grp, login); 118 } 119 120 int 121 delgrent(struct group * grp) 122 { 123 char group[MAXLOGNAME]; 124 125 strlcpy(group, grp->gr_name, MAXLOGNAME); 126 127 return gr_update(NULL, group); 128 } 129