damus

commit fae061cec0e17c5604d1e97cf3acb44f39cc5eba
parent 4570ba797c3c0a90de404ece109af5b27fd099f1
Author: Daniel D’Aquino <daniel@daquino.me>
Date:   Mon, 11 Aug 2025 16:35:26 -0700

Fix MAX_PREFIX parameter on bolt11 parsing logic

Closes: https://github.com/damus-io/damus/issues/3187
Changelog-None
Signed-off-by: Daniel D’Aquino <daniel@daquino.me>

Diffstat:
M
nostrdb/src/bolt11/bech32.c
 | 
3
++-
M
nostrdb/src/content_parser.c
 | 
2
+-

2 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/nostrdb/src/bolt11/bech32.c b/nostrdb/src/bolt11/bech32.c
@@ -162,7 +162,8 @@ bech32_encoding bech32_decode(char* hrp, uint8_t *data, size_t *data_len, const 
     if (len > max_input_len) {
         return BECH32_ENCODING_NONE;
     }
-    return bech32_decode_len(hrp, data, data_len, input, len, 8);
+    static const int MAX_PREFIX = 9;    // 8 bytes for the text, 1 byte for the null terminator
+    return bech32_decode_len(hrp, data, data_len, input, len, MAX_PREFIX);
 }
 
 int bech32_convert_bits(uint8_t* out, size_t* outlen, int outbits, const uint8_t* in, size_t inlen, int inbits, int pad) {
diff --git a/nostrdb/src/content_parser.c b/nostrdb/src/content_parser.c
@@ -113,7 +113,7 @@ static int push_bech32_mention(struct ndb_content_parser *p, struct ndb_str_bloc
 	uint16_t *u8_size;
 	enum nostr_bech32_type type;
 	size_t u5_out_len, u8_out_len;
-	static const int MAX_PREFIX = 9;
+	static const int MAX_PREFIX = 9;    // 8 bytes for the text, 1 byte for the null terminator
 	char prefix[9] = {0};
 
 	start = p->buffer.p;