summaryrefslogtreecommitdiffstats
path: root/lib/util/tftw.c
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--lib/util/tftw.c129
1 files changed, 129 insertions, 0 deletions
diff --git a/lib/util/tftw.c b/lib/util/tftw.c
new file mode 100644
index 0000000..c59bb6a
--- /dev/null
+++ b/lib/util/tftw.c
@@ -0,0 +1,129 @@
+/*
+ * Copyright (c) 2008-2018 by Andreas Schneider <asn@samba.org>
+ *
+ * Adopted from the csync source code
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "replace.h"
+#include "system/filesys.h"
+#include "system/dir.h"
+#include "lib/util/debug.h"
+
+#include "tftw.h"
+
+
+int tftw(TALLOC_CTX *mem_ctx, const char *fpath, tftw_walker_fn fn, size_t depth, void *userdata)
+{
+ char *filename = NULL;
+ char *d_name = NULL;
+ DIR *dh = NULL;
+ struct dirent *dirent = NULL;
+ struct stat sb = {0};
+ int rc = 0;
+
+ if (fpath[0] == '\0') {
+ errno = ENOENT;
+ goto error;
+ }
+
+ if ((dh = opendir(fpath)) == NULL) {
+ /* permission denied */
+ if (errno == EACCES) {
+ return 0;
+ } else {
+ DBG_ERR("opendir failed for: [%s]\n", strerror(errno));
+ goto error;
+ }
+ }
+
+ while ((dirent = readdir(dh))) {
+ int flag;
+
+ d_name = dirent->d_name;
+ if (d_name == NULL) {
+ goto error;
+ }
+
+ /* skip "." and ".." */
+ if (d_name[0] == '.' && (d_name[1] == '\0'
+ || (d_name[1] == '.' && d_name[2] == '\0'))) {
+ dirent = NULL;
+ continue;
+ }
+
+ filename = talloc_asprintf(mem_ctx, "%s/%s", fpath, d_name);
+ if (filename == NULL) {
+ goto error;
+ }
+
+ rc = lstat(filename, &sb);
+ if (rc < 0) {
+ dirent = NULL;
+ goto error;
+ }
+
+ switch (sb.st_mode & S_IFMT) {
+ case S_IFLNK:
+ flag = TFTW_FLAG_SLINK;
+ break;
+ case S_IFDIR:
+ flag = TFTW_FLAG_DIR;
+ break;
+ case S_IFBLK:
+ case S_IFCHR:
+ case S_IFSOCK:
+ case S_IFIFO:
+ flag = TFTW_FLAG_SPEC;
+ break;
+ default:
+ flag = TFTW_FLAG_FILE;
+ break;
+ }
+
+ DBG_INFO("walk: [%s]\n", filename);
+
+ /* Call walker function for each file */
+ rc = fn(mem_ctx, filename, &sb, flag, userdata);
+
+ if (rc < 0) {
+ DBG_ERR("provided callback fn() failed: [%s]\n",
+ strerror(errno));
+ closedir(dh);
+ goto done;
+ }
+
+ if (flag == TFTW_FLAG_DIR && depth) {
+ rc = tftw(mem_ctx, filename, fn, depth - 1, userdata);
+ if (rc < 0) {
+ closedir(dh);
+ goto done;
+ }
+ }
+ TALLOC_FREE(filename);
+ dirent = NULL;
+ }
+ closedir(dh);
+
+done:
+ TALLOC_FREE(filename);
+ return rc;
+error:
+ if (dh != NULL) {
+ closedir(dh);
+ }
+ TALLOC_FREE(filename);
+ return -1;
+}