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authorDaniel Friesel <derf@finalrewind.org>2021-01-24 05:44:17 +0100
committerDaniel Friesel <derf@finalrewind.org>2021-01-25 17:45:47 +0100
commit9ba35b0c7f82d49158accba691964b3d26290cbd (patch)
tree63d1e0d6e5bba4e8eb8085ce2327e5ad9a7bfa8f
parent9353845a5f397a36440263800d9a70a80ab609ad (diff)
Handle URL-encoded components in "feh --start-at file://...."
Closes #584
-rw-r--r--src/filelist.c28
-rw-r--r--src/filelist.h1
-rw-r--r--src/options.c21
3 files changed, 47 insertions, 3 deletions
diff --git a/src/filelist.c b/src/filelist.c
index ae8d7b2..9d8b38a 100644
--- a/src/filelist.c
+++ b/src/filelist.c
@@ -28,6 +28,10 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#include <libexif/exif-data.h>
#endif
+#ifdef HAVE_LIBCURL
+#include <curl/curl.h>
+#endif
+
#include "feh.h"
#include "filelist.h"
#include "signals.h"
@@ -678,3 +682,27 @@ void feh_save_filelist()
free(tmpname);
return;
}
+
+#ifdef HAVE_LIBCURL
+
+char *feh_http_unescape(char *url)
+{
+ CURL *curl = curl_easy_init();
+ if (!curl) {
+ return NULL;
+ }
+ char *tmp_url = curl_easy_unescape(curl, url, 0, NULL);
+ char *new_url = estrdup(tmp_url);
+ curl_free(tmp_url);
+ curl_easy_cleanup(curl);
+ return new_url;
+}
+
+#else
+
+char *feh_http_unescape(char *url)
+{
+ return NULL;
+}
+
+#endif
diff --git a/src/filelist.h b/src/filelist.h
index e24a6a6..ff0645e 100644
--- a/src/filelist.h
+++ b/src/filelist.h
@@ -97,6 +97,7 @@ gib_list *feh_read_filelist(char *filename);
char *feh_absolute_path(char *path);
gib_list *feh_file_remove_from_list(gib_list * list, gib_list * l);
void feh_save_filelist();
+char *feh_http_unescape(char * url);
int feh_cmp_name(void *file1, void *file2);
int feh_cmp_dirname(void *file1, void *file2);
diff --git a/src/options.c b/src/options.c
index 04f02c5..02c9b83 100644
--- a/src/options.c
+++ b/src/options.c
@@ -855,11 +855,26 @@ static void feh_parse_option_array(int argc, char **argv, int finalrun)
*/
if (opt.start_list_at && path_is_url(opt.start_list_at) && (strlen(opt.start_list_at) <= 8 || strncmp(opt.start_list_at, "file:///", 8) != 0)) {
add_file_to_filelist_recursively(opt.start_list_at, FILELIST_FIRST);
+ /*
+ * Otherwise, make "feh --start-at dir/file.jpg" behave like
+ * "feh --start-at dir/file.jpg dir".
+ */
} else if (opt.start_list_at && strrchr(opt.start_list_at, '/')) {
+ /*
+ * feh can't candle urlencoded path components ("some%20dir" etc).
+ * Use libcurl to unescape them if --start-at is file://...
+ */
if (strlen(opt.start_list_at) > 8 && strncmp(opt.start_list_at, "file:///", 8) == 0) {
- char *start_at_path = estrdup(opt.start_list_at + 7);
- free(opt.start_list_at);
- opt.start_list_at = start_at_path;
+ char *unescaped_path = feh_http_unescape(opt.start_list_at);
+ if (unescaped_path != NULL) {
+ free(opt.start_list_at);
+ opt.start_list_at = estrdup(unescaped_path + 7);
+ free(unescaped_path);
+ } else {
+ char *new_path = estrdup(opt.start_list_at + 7);
+ free(opt.start_list_at);
+ opt.start_list_at = new_path;
+ }
}
char *target_directory = estrdup(opt.start_list_at);
char *filename_start = strrchr(target_directory, '/');