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-rw-r--r--src/fastd.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/fastd.c b/src/fastd.c
index af9ba6e..d751a59 100644
--- a/src/fastd.c
+++ b/src/fastd.c
@@ -748,6 +748,15 @@ static void handle_socket(fastd_context *ctx, fastd_socket *sock) {
packet_type = buffer.data;
buffer.len = len;
+ if (recvaddr.sa.sa_family == AF_INET6 && IN6_IS_ADDR_V4MAPPED(&recvaddr.in6.sin6_addr)) {
+ struct sockaddr_in6 mapped = recvaddr.in6;
+
+ memset(&recvaddr, 0, sizeof(recvaddr));
+ recvaddr.in.sin_family = AF_INET;
+ recvaddr.in.sin_port = mapped.sin6_port;
+ memcpy(&recvaddr.in.sin_addr.s_addr, &mapped.sin6_addr.s6_addr[12], 4);
+ }
+
fastd_buffer_push_head(&buffer, 1);
fastd_peer *peer = NULL;