From a441aec3efc64c2d9d9e99f0b7ffaa5651446801 Mon Sep 17 00:00:00 2001
From: dijunkun <junkun.di@hotmail.com>
Date: Tue, 24 Feb 2026 11:10:40 +0800
Subject: [PATCH] [fix] fix SDP parsing offset bug in GetIceUsername

---
 src/common/common.h | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/src/common/common.h b/src/common/common.h
index 42fb278..722619f 100644
--- a/src/common/common.h
+++ b/src/common/common.h
@@ -5,7 +5,7 @@
 
 int CommonDummy();
 
-constexpr size_t HASH_STRING_PIECE(const char *string_piece) {
+constexpr size_t HASH_STRING_PIECE(const char* string_piece) {
   std::size_t result = 0;
   while (*string_piece) {
     result = (result * 131) + *string_piece++;
@@ -13,17 +13,20 @@ constexpr size_t HASH_STRING_PIECE(const char *string_piece) {
   return result;
 }
 
-constexpr size_t operator"" _H(const char *string_piece, size_t) {
+constexpr size_t operator"" _H(const char* string_piece, size_t) {
   return HASH_STRING_PIECE(string_piece);
 }
 
-inline const std::string GetIceUsername(const std::string &sdp) {
+inline const std::string GetIceUsername(const std::string& sdp) {
   std::string result = "";
 
   std::string start = "ice-ufrag:";
   std::string end = "\r\n";
   size_t startPos = sdp.find(start);
-  size_t endPos = sdp.find(end);
+  size_t endPos = std::string::npos;
+  if (startPos != std::string::npos) {
+    endPos = sdp.find(end, startPos + start.length());
+  }
 
   if (startPos != std::string::npos && endPos != std::string::npos) {
     result = sdp.substr(startPos + start.length(),