/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2008 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #include <stdio.h> #include <grp.h> #include <stdlib.h> #include <errno.h> #include "getent.h" static int putgrent(const struct group *grp, FILE *fp) { char **mem; int rc = 0; if (grp == NULL) { return (1); } if (fprintf(fp, "%s:%s:%u:", grp->gr_name != NULL ? grp->gr_name : "", grp->gr_passwd != NULL ? grp->gr_passwd : "", grp->gr_gid) == EOF) rc = 1; mem = grp ->gr_mem; if (mem != NULL) { if (*mem != NULL) if (fputs(*mem++, fp) == EOF) rc = 1; while (*mem != NULL) if (fprintf(fp, ",%s", *mem++) == EOF) rc = 1; } if (putc('\n', fp) == EOF) rc = 1; return (rc); } int dogetgr(const char **list) { struct group *grp; int rc = EXC_SUCCESS; char *ptr; gid_t gid; if (list == NULL || *list == NULL) { while ((grp = getgrent()) != NULL) (void) putgrent(grp, stdout); } else { for (; *list != NULL; list++) { errno = 0; /* * Here we assume that the argument passed is * a gid, if it can be completely transformed * to a long integer. So we check for gid in * the database and if we fail then we check * for the group name. * If the argument passed is not numeric, then * we take it as the group name and proceed. */ gid = strtoul(*list, &ptr, 10); if (!(*ptr == '\0' && errno == 0) || ((grp = getgrgid(gid)) == NULL)) { grp = getgrnam(*list); } if (grp == NULL) rc = EXC_NAME_NOT_FOUND; else (void) putgrent(grp, stdout); } } return (rc); }