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-rw-r--r--src/uri.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/src/uri.c b/src/uri.c
index 41a613de7..3e622de3b 100644
--- a/src/uri.c
+++ b/src/uri.c
@@ -22,6 +22,7 @@
#include <glib.h>
+#include <assert.h>
#include <string.h>
bool uri_has_scheme(const char *uri)
@@ -45,6 +46,35 @@ uri_get_suffix(const char *uri)
return suffix;
}
+static const char *
+verify_uri_segment(const char *p)
+{
+ const char *q;
+
+ if (*p == 0 || *p == '/' || *p == '.')
+ return NULL;
+
+ q = strchr(p + 1, '/');
+ return q != NULL ? q : "";
+}
+
+bool
+uri_safe_local(const char *uri)
+{
+ while (true) {
+ uri = verify_uri_segment(uri);
+ if (uri == NULL)
+ return false;
+
+ if (*uri == 0)
+ return true;
+
+ assert(*uri == '/');
+
+ ++uri;
+ }
+}
+
char *
uri_remove_auth(const char *uri)
{