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authorVsevolod Stakhov <vsevolod@highsecure.ru>2018-05-26 13:59:25 +0100
committerVsevolod Stakhov <vsevolod@highsecure.ru>2018-05-26 13:59:25 +0100
commit3372fed16cf394202c365909b49f01e219fc1116 (patch)
tree7f4a940e80118da4b3bbfc9b2379cdae7db3ce0d /src
parent0d9b0b03edcfef64580123067aade23575e093c4 (diff)
downloadrspamd-3372fed16cf394202c365909b49f01e219fc1116.tar.gz
rspamd-3372fed16cf394202c365909b49f01e219fc1116.zip
[Minor] Add generic routine for glob patterns
Diffstat (limited to 'src')
-rw-r--r--src/libutil/util.c88
-rw-r--r--src/libutil/util.h13
2 files changed, 101 insertions, 0 deletions
diff --git a/src/libutil/util.c b/src/libutil/util.c
index d55a8e8ac..0b76f193b 100644
--- a/src/libutil/util.c
+++ b/src/libutil/util.c
@@ -80,6 +80,7 @@
#endif
#endif
#include <math.h> /* for pow */
+#include <glob.h>
#include "cryptobox.h"
#include "zlib.h"
@@ -2846,4 +2847,91 @@ rspamd_fstring_gzip (rspamd_fstring_t **in)
*in = comp;
return TRUE;
+}
+
+static gboolean
+rspamd_glob_dir (const gchar *full_path, const gchar *pattern,
+ gboolean recursive, guint rec_len,
+ GPtrArray *res, GError **err)
+{
+ glob_t globbuf;
+ const gchar *path;
+ static gchar pathbuf[PATH_MAX]; /* Static to help recursion */
+ guint i;
+ static const guint rec_lim = 16;
+ struct stat st;
+
+ if (rec_len > rec_lim) {
+ g_set_error (err, g_quark_from_static_string ("glob"), EOVERFLOW,
+ "maximum nesting is reached: %d", rec_lim);
+
+ return FALSE;
+ }
+
+ memset (&globbuf, 0, sizeof (globbuf));
+
+ if (glob (full_path, 0, NULL, &globbuf) != 0) {
+ g_set_error (err, g_quark_from_static_string ("glob"), errno,
+ "glob %s failed: %s", full_path, strerror (errno));
+ globfree (&globbuf);
+
+ return FALSE;
+ }
+
+ for (i = 0; i < globbuf.gl_pathc; i ++) {
+ path = globbuf.gl_pathv[i];
+
+ if (stat (path, &st) == -1) {
+ if (errno == EPERM || errno == EACCES || errno == ELOOP) {
+ /* Silently ignore */
+ continue;
+ }
+
+ g_set_error (err, g_quark_from_static_string ("glob"), errno,
+ "stat %s failed: %s", path, strerror (errno));
+ globfree (&globbuf);
+
+ return FALSE;
+ }
+
+ if (S_ISREG (st.st_mode)) {
+ g_ptr_array_add (res, g_strdup (path));
+ }
+ else if (recursive && S_ISDIR (st.st_mode)) {
+ rspamd_snprintf (pathbuf, sizeof (pathbuf), "%s%c%s",
+ path, G_DIR_SEPARATOR, pattern);
+
+ if (!rspamd_glob_dir (full_path, pattern, recursive, rec_len + 1,
+ res, err)) {
+ globfree (&globbuf);
+
+ return FALSE;
+ }
+ }
+ }
+
+ globfree (&globbuf);
+
+ return TRUE;
+}
+
+GPtrArray *
+rspamd_glob_path (const gchar *dir,
+ const gchar *pattern,
+ gboolean recursive,
+ GError **err)
+{
+ gchar path[PATH_MAX];
+ GPtrArray *res;
+
+ res = g_ptr_array_new_full (32, (GDestroyNotify)g_free);
+ rspamd_snprintf (path, sizeof (path), "%s%c%s", dir, G_DIR_SEPARATOR, pattern);
+
+ if (!rspamd_glob_dir (path, pattern, recursive, 0, res, err)) {
+ g_ptr_array_free (res, TRUE);
+
+ return NULL;
+ }
+
+ return res;
} \ No newline at end of file
diff --git a/src/libutil/util.h b/src/libutil/util.h
index 6470b5c45..96e85af30 100644
--- a/src/libutil/util.h
+++ b/src/libutil/util.h
@@ -498,4 +498,17 @@ void rspamd_localtime (gint64 ts, struct tm *dest);
*/
gboolean rspamd_fstring_gzip (rspamd_fstring_t **in);
+/**
+ * Perform globbing searching for the specified path. Allow recursion,
+ * returns an error if maximum nesting is reached.
+ * @param pattern
+ * @param recursive
+ * @param err
+ * @return GPtrArray of gchar *, elements are freed when array is freed
+ */
+GPtrArray *rspamd_glob_path (const gchar *dir,
+ const gchar *pattern,
+ gboolean recursive,
+ GError **err);
+
#endif