mirror of
https://github.com/samba-team/samba.git
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f21af2ace2
Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Ralph Boehme <slow@samba.org>
130 lines
2.7 KiB
C
130 lines
2.7 KiB
C
/*
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* Copyright (c) 2008-2018 by Andreas Schneider <asn@samba.org>
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*
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* Adopted from the csync source code
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "replace.h"
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#include "system/filesys.h"
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#include "system/dir.h"
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#include "lib/util/debug.h"
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#include "tftw.h"
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int tftw(TALLOC_CTX *mem_ctx, const char *fpath, tftw_walker_fn fn, size_t depth, void *userdata)
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{
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char *filename = NULL;
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char *d_name = NULL;
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DIR *dh = NULL;
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struct dirent *dirent = NULL;
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struct stat sb = {0};
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int rc = 0;
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if (fpath[0] == '\0') {
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errno = ENOENT;
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goto error;
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}
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if ((dh = opendir(fpath)) == NULL) {
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/* permission denied */
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if (errno == EACCES) {
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return 0;
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} else {
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DBG_ERR("opendir failed for: [%s]\n", strerror(errno));
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goto error;
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}
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}
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while ((dirent = readdir(dh))) {
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int flag;
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d_name = dirent->d_name;
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if (d_name == NULL) {
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goto error;
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}
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/* skip "." and ".." */
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if (d_name[0] == '.' && (d_name[1] == '\0'
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|| (d_name[1] == '.' && d_name[2] == '\0'))) {
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dirent = NULL;
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continue;
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}
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filename = talloc_asprintf(mem_ctx, "%s/%s", fpath, d_name);
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if (filename == NULL) {
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goto error;
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}
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rc = lstat(filename, &sb);
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if (rc < 0) {
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dirent = NULL;
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goto error;
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}
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switch (sb.st_mode & S_IFMT) {
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case S_IFLNK:
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flag = TFTW_FLAG_SLINK;
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break;
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case S_IFDIR:
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flag = TFTW_FLAG_DIR;
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break;
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case S_IFBLK:
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case S_IFCHR:
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case S_IFSOCK:
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case S_IFIFO:
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flag = TFTW_FLAG_SPEC;
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break;
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default:
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flag = TFTW_FLAG_FILE;
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break;
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}
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DBG_INFO("walk: [%s]\n", filename);
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/* Call walker function for each file */
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rc = fn(mem_ctx, filename, &sb, flag, userdata);
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if (rc < 0) {
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DBG_ERR("provided callback fn() failed: [%s]\n",
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strerror(errno));
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closedir(dh);
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goto done;
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}
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if (flag == TFTW_FLAG_DIR && depth) {
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rc = tftw(mem_ctx, filename, fn, depth - 1, userdata);
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if (rc < 0) {
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closedir(dh);
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goto done;
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}
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}
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TALLOC_FREE(filename);
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dirent = NULL;
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}
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closedir(dh);
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done:
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TALLOC_FREE(filename);
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return rc;
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error:
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if (dh != NULL) {
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closedir(dh);
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}
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TALLOC_FREE(filename);
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return -1;
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}
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