From 99a8bb12aef33c83535d220b42ecab3f43006ffa Mon Sep 17 00:00:00 2001
From: achingbrain <alex@achingbrain.net>
Date: Wed, 5 Jun 2024 13:26:45 +0100
Subject: [PATCH] Allow overriding ICE ufrag and pwd fields

Adds two new optional config keys - `iceUfrag` and `icePwd` which
are passed to libjuice.

Depends on: https://github.com/paullouisageneau/libjuice/pull/249

Refs: https://github.com/paullouisageneau/libdatachannel/issues/1166
---
 .vscode/settings.json         | 5 +++++
 include/rtc/configuration.hpp | 4 ++++
 src/impl/icetransport.cpp     | 8 ++++++++
 3 files changed, 17 insertions(+)
 create mode 100644 .vscode/settings.json

diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 000000000..01d7773d2
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,5 @@
+{
+  "files.associations": {
+    "optional": "cpp"
+  }
+}
\ No newline at end of file
diff --git a/include/rtc/configuration.hpp b/include/rtc/configuration.hpp
index 4ec95a0bf..9212e13fc 100644
--- a/include/rtc/configuration.hpp
+++ b/include/rtc/configuration.hpp
@@ -93,6 +93,10 @@ struct RTC_CPP_EXPORT Configuration {
 	optional<string> certificatePemFile;
 	optional<string> keyPemFile;
 	optional<string> keyPemPass;
+
+	// Overriding ICE ufrag/pwd
+	optional<string> iceUfrag;
+	optional<string> icePwd;
 };
 
 #ifdef RTC_ENABLE_WEBSOCKET
diff --git a/src/impl/icetransport.cpp b/src/impl/icetransport.cpp
index a27a2ed32..a636c42f4 100644
--- a/src/impl/icetransport.cpp
+++ b/src/impl/icetransport.cpp
@@ -90,6 +90,14 @@ IceTransport::IceTransport(const Configuration &config, candidate_callback candi
 	jconfig.cb_recv = IceTransport::RecvCallback;
 	jconfig.user_ptr = this;
 
+	if (config.iceUfrag) {
+		jconfig.ice_ufrag = config.iceUfrag->c_str();
+	}
+
+	if (config.icePwd) {
+		jconfig.ice_pwd = config.icePwd->c_str();
+	}
+
 	if (config.enableIceTcp) {
 		PLOG_WARNING << "ICE-TCP is not supported with libjuice";
 	}