[SERVER] Add function to parse x-www-form-urlencoded strings

Use it to properly parse RPC queries. Will also come in handy
when parsing POST body for calls that actually trigger any
actions in the server (reload, alt-servers, ...)

1 files changed, 19 insertions, 0 deletions

diff --git a/src/server/urldecode.h b/src/server/urldecode.h
new file mode 100644
index 0000000..e27f8f8
--- /dev/null
+++ b/src/server/urldecode.h
@@ -0,0 +1,19 @@
+#ifndef _URLENCODE_H_
+#define _URLENCODE_H_
+
+#include "picohttpparser/picohttpparser.h"
+
+struct field {
+	struct string name;
+	struct string value;
+};
+
+/**
+ * decode given x-form-urlencoded string. Breaks constness rules by
+ * casting the const char* s from str to char* and modifying it, then
+ * populating out with pointers into it, so make sure the memory
+ * is actually writable.
+ */
+void urldecode(struct string* str, struct field *out, size_t *out_num);
+
+#endif