1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #include <stdio.h> 28 #include <grp.h> 29 #include <stdlib.h> 30 #include <errno.h> 31 #include "getent.h" 32 33 34 static int 35 putgrent(const struct group *grp, FILE *fp) 36 { 37 char **mem; 38 int rc = 0; 39 40 if (grp == NULL) { 41 return (1); 42 } 43 44 if (fprintf(fp, "%s:%s:%u:", 45 grp->gr_name != NULL ? grp->gr_name : "", 46 grp->gr_passwd != NULL ? grp->gr_passwd : "", 47 grp->gr_gid) == EOF) 48 rc = 1; 49 50 mem = grp ->gr_mem; 51 52 if (mem != NULL) { 53 if (*mem != NULL) 54 if (fputs(*mem++, fp) == EOF) 55 rc = 1; 56 57 while (*mem != NULL) 58 if (fprintf(fp, ",%s", *mem++) == EOF) 59 rc = 1; 60 } 61 if (putc('\n', fp) == EOF) 62 rc = 1; 63 return (rc); 64 } 65 66 int 67 dogetgr(const char **list) 68 { 69 struct group *grp; 70 int rc = EXC_SUCCESS; 71 char *ptr; 72 gid_t gid; 73 74 if (list == NULL || *list == NULL) { 75 while ((grp = getgrent()) != NULL) 76 (void) putgrent(grp, stdout); 77 } else { 78 for (; *list != NULL; list++) { 79 errno = 0; 80 81 /* 82 * Here we assume that the argument passed is 83 * a gid, if it can be completely transformed 84 * to a long integer. So we check for gid in 85 * the database and if we fail then we check 86 * for the group name. 87 * If the argument passed is not numeric, then 88 * we take it as the group name and proceed. 89 */ 90 gid = strtoul(*list, &ptr, 10); 91 if (!(*ptr == '\0' && errno == 0) || 92 ((grp = getgrgid(gid)) == NULL)) { 93 grp = getgrnam(*list); 94 } 95 if (grp == NULL) 96 rc = EXC_NAME_NOT_FOUND; 97 else 98 (void) putgrent(grp, stdout); 99 } 100 } 101 102 return (rc); 103 } 104