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26 lines
832 B
26 lines
832 B
From 3fd03977c9b35800d73a865f167338cb4d05b0c1 Mon Sep 17 00:00:00 2001
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From: Christian Beier <dontmind@freeshell.org>
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Date: Sat, 6 Apr 2019 20:23:12 +0200
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Subject: [PATCH] libvncclient: bail out if unix socket name would overflow
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Closes #291
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---
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libvncclient/sockets.c | 4 ++++
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1 file changed, 4 insertions(+)
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diff --git a/libvncclient/sockets.c b/libvncclient/sockets.c
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index f042472f..821f85ca 100644
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--- a/libvncclient/sockets.c
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+++ b/libvncclient/sockets.c
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@@ -461,6 +461,10 @@ ConnectClientToUnixSock(const char *sockFile)
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int sock;
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struct sockaddr_un addr;
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addr.sun_family = AF_UNIX;
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+ if(strlen(sockFile) + 1 > sizeof(addr.sun_path)) {
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+ rfbClientErr("ConnectToUnixSock: socket file name too long\n");
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+ return -1;
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+ }
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strcpy(addr.sun_path, sockFile);
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sock = socket(AF_UNIX, SOCK_STREAM, 0);
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