88 lines
2.5 KiB
C
88 lines
2.5 KiB
C
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/* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "apr_strings.h"
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#include "apr_portable.h"
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#include "apr_user.h"
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#include "apr_private.h"
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#ifdef HAVE_GRP_H
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#include <grp.h>
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#endif
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#if APR_HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#if APR_HAVE_UNISTD_H
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#include <unistd.h> /* for _POSIX_THREAD_SAFE_FUNCTIONS */
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#endif
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#define GRBUF_SIZE 8192
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APR_DECLARE(apr_status_t) apr_gid_name_get(char **groupname, apr_gid_t groupid,
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apr_pool_t *p)
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{
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struct group *gr;
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#if APR_HAS_THREADS && defined(_POSIX_THREAD_SAFE_FUNCTIONS) && defined(HAVE_GETGRGID_R)
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struct group grp;
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char grbuf[GRBUF_SIZE];
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apr_status_t rv;
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/* See comment in getpwnam_safe on error handling. */
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rv = getgrgid_r(groupid, &grp, grbuf, sizeof(grbuf), &gr);
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if (rv) {
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return rv;
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}
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if (gr == NULL) {
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return APR_ENOENT;
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}
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#else
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errno = 0;
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if ((gr = getgrgid(groupid)) == NULL) {
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return errno ? errno : APR_ENOENT;
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}
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#endif
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*groupname = apr_pstrdup(p, gr->gr_name);
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return APR_SUCCESS;
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}
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APR_DECLARE(apr_status_t) apr_gid_get(apr_gid_t *groupid,
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const char *groupname, apr_pool_t *p)
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{
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struct group *gr;
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#if APR_HAS_THREADS && defined(_POSIX_THREAD_SAFE_FUNCTIONS) && defined(HAVE_GETGRNAM_R)
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struct group grp;
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char grbuf[GRBUF_SIZE];
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apr_status_t rv;
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/* See comment in getpwnam_safe on error handling. */
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rv = getgrnam_r(groupname, &grp, grbuf, sizeof(grbuf), &gr);
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if (rv) {
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return rv;
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}
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if (gr == NULL) {
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return APR_ENOENT;
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}
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#else
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errno = 0;
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if ((gr = getgrnam(groupname)) == NULL) {
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return errno ? errno : APR_ENOENT;
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}
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#endif
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*groupid = gr->gr_gid;
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return APR_SUCCESS;
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}
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