termux-packages/packages/torsocks/03_passthrough_syscalls.patch

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From d4b0a84bdf2a1895c8ec3091dc2767fd9f8c2d66 Mon Sep 17 00:00:00 2001
From: Ola Bini <ola@autonomia.digital>
Date: Thu, 9 Jul 2020 18:31:41 +0000
Subject: Fixes an issue when calling recvmsg on a domain socket non-blocking
Since the original flags are not taken into account when peeking, the peek
recvmsg call will hang forever in certain circumstances, including in all QT
applications running Wayland. This fix simply adds the original flags, so that
the peeking recvmsg call might be nonblocking, if the original call was
nonblocking.
Closes #40001
---
src/lib/recv.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/lib/recv.c b/src/lib/recv.c
index d1bbaea..abdd1fa 100644
--- a/src/lib/recv.c
+++ b/src/lib/recv.c
@@ -92,7 +92,7 @@ LIBC_RECVMSG_RET_TYPE tsocks_recvmsg(LIBC_RECVMSG_SIG)
do {
/* Just peek the data to inspect the payload for fd. */
- ret = tsocks_libc_recvmsg(sockfd, &msg_hdr, MSG_PEEK);
+ ret = tsocks_libc_recvmsg(sockfd, &msg_hdr, MSG_PEEK | flags);
} while (ret < 0 && errno == EINTR);
if (ret < 0) {
/* Use the current errno set by the call above. */
--
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