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 2007 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include <stdio.h> 30 #include <grp.h> 31 #include <stdlib.h> 32 #include <errno.h> 33 #include "getent.h" 34 35 36 static int 37 putgrent(const struct group *grp, FILE *fp) 38 { 39 char **mem; 40 int rc = 0; 41 42 if (grp == NULL) { 43 return (1); 44 } 45 46 if (fprintf(fp, "%s:%s:%d:", 47 grp->gr_name != NULL ? grp->gr_name : "", 48 grp->gr_passwd != NULL ? grp->gr_passwd : "", 49 grp->gr_gid) == EOF) 50 rc = 1; 51 52 mem = grp ->gr_mem; 53 54 if (mem != NULL) { 55 if (*mem != NULL) 56 if (fputs(*mem++, fp) == EOF) 57 rc = 1; 58 59 while (*mem != NULL) 60 if (fprintf(fp, ",%s", *mem++) == EOF) 61 rc = 1; 62 } 63 if (putc('\n', fp) == EOF) 64 rc = 1; 65 return (rc); 66 } 67 68 int 69 dogetgr(const char **list) 70 { 71 struct group *grp; 72 int rc = EXC_SUCCESS; 73 char *ptr; 74 gid_t gid; 75 76 if (list == NULL || *list == NULL) { 77 while ((grp = getgrent()) != NULL) 78 (void) putgrent(grp, stdout); 79 } else { 80 for (; *list != NULL; list++) { 81 errno = 0; 82 83 /* 84 * Here we assume that the argument passed is 85 * a gid, if it can be completely transformed 86 * to a long integer. So we check for gid in 87 * the database and if we fail then we check 88 * for the group name. 89 * If the argument passed is not numeric, then 90 * we take it as the group name and proceed. 91 */ 92 gid = strtol(*list, &ptr, 10); 93 if (!(*ptr == '\0' && errno == 0) || 94 ((grp = getgrgid(gid)) == NULL)) { 95 grp = getgrnam(*list); 96 } 97 if (grp == NULL) 98 rc = EXC_NAME_NOT_FOUND; 99 else 100 (void) putgrent(grp, stdout); 101 } 102 } 103 104 return (rc); 105 } 106