freerdp/SOURCES/core-tcp-Try-next-DNS-entry-on-connect-failure.patch
2026-06-24 17:40:20 -04:00

77 lines
2.2 KiB
Diff

From 051218feec6c3404e625637c9d812817b7d69c26 Mon Sep 17 00:00:00 2001
From: Ondrej Holy <oholy@redhat.com>
Date: Wed, 14 Jan 2026 13:28:18 +0100
Subject: [PATCH] [core,tcp] Try next DNS entry on connect failure
Backport of commit bd67348eb3380a66b544835346191bd2138a5ba4.
Co-Authored-By: Claude <noreply@anthropic.com>
---
libfreerdp/core/tcp.c | 41 ++++++++++++++++++++++-------------------
1 file changed, 22 insertions(+), 19 deletions(-)
diff --git a/libfreerdp/core/tcp.c b/libfreerdp/core/tcp.c
index efc2aec36..1d7eda92e 100644
--- a/libfreerdp/core/tcp.c
+++ b/libfreerdp/core/tcp.c
@@ -1162,34 +1162,37 @@ int freerdp_tcp_connect(rdpContext* context, rdpSettings* settings, const char*
do
{
sockfd = socket(addr->ai_family, addr->ai_socktype, addr->ai_protocol);
+ if (sockfd >= 0)
+ {
+ if ((peerAddress = freerdp_tcp_address_to_string(
+ (const struct sockaddr_storage*)addr->ai_addr, NULL)) != NULL)
+ {
+ WLog_DBG(TAG, "connecting to peer %s", peerAddress);
+ free(peerAddress);
+ }
+
+ if (!freerdp_tcp_connect_timeout(context, sockfd, addr->ai_addr,
+ addr->ai_addrlen, timeout))
+ {
+ close(sockfd);
+ sockfd = -1;
+ }
+ }
+
if (sockfd < 0)
{
const int rc = get_next_addrinfo(context, addr->ai_next, &addr,
FREERDP_ERROR_CONNECT_FAILED);
if (rc < 0)
+ {
+ freeaddrinfo(result);
+ freerdp_set_last_error_if_not(context, FREERDP_ERROR_CONNECT_FAILED);
+ WLog_ERR(TAG, "failed to connect to %s", hostname);
return rc;
+ }
}
} while (sockfd < 0);
- if ((peerAddress = freerdp_tcp_address_to_string(
- (const struct sockaddr_storage*)addr->ai_addr, NULL)) != NULL)
- {
- WLog_DBG(TAG, "connecting to peer %s", peerAddress);
- free(peerAddress);
- }
-
- if (!freerdp_tcp_connect_timeout(context, sockfd, addr->ai_addr, addr->ai_addrlen,
- timeout))
- {
- freeaddrinfo(result);
- close(sockfd);
-
- freerdp_set_last_error_if_not(context, FREERDP_ERROR_CONNECT_FAILED);
-
- WLog_ERR(TAG, "failed to connect to %s", hostname);
- return -1;
- }
-
freeaddrinfo(result);
}
}
--
2.52.0