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Added SOCKET_SND_RCV_BUF_MAX constant (set to 1000000) to limit the

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maximum size passed to setsockopt SNDBUF/RCVBUF.


git-svn-id: http://svn.openvpn.net/projects/openvpn/branches/BETA21/openvpn@3062 e7ae566f-a301-0410-adde-c780ea21d3b5
This commit is contained in:
james 2008-07-16 23:11:29 +00:00
parent 4fb01ce0ba
commit e2e10f8d7a
2 changed files with 16 additions and 5 deletions
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16
socket.c
View file

@ -292,9 +292,12 @@ static void
socket_set_sndbuf (int sd, int size)
{
#if defined(HAVE_SETSOCKOPT) && defined(SOL_SOCKET) && defined(SO_SNDBUF)
if (setsockopt (sd, SOL_SOCKET, SO_SNDBUF, (void *) &size, sizeof (size)) != 0)
if (size > 0 && size < SOCKET_SND_RCV_BUF_MAX)
{
msg (M_WARN, "NOTE: setsockopt SO_SNDBUF=%d failed", size);
if (setsockopt (sd, SOL_SOCKET, SO_SNDBUF, (void *) &size, sizeof (size)) != 0)
{
msg (M_WARN, "NOTE: setsockopt SO_SNDBUF=%d failed", size);
}
}
#endif
}
@ -318,10 +321,13 @@ static bool
socket_set_rcvbuf (int sd, int size)
{
#if defined(HAVE_SETSOCKOPT) && defined(SOL_SOCKET) && defined(SO_RCVBUF)
if (setsockopt (sd, SOL_SOCKET, SO_RCVBUF, (void *) &size, sizeof (size)) != 0)
if (size > 0 && size < SOCKET_SND_RCV_BUF_MAX)
{
msg (M_WARN, "NOTE: setsockopt SO_RCVBUF=%d failed", size);
return false;
if (setsockopt (sd, SOL_SOCKET, SO_RCVBUF, (void *) &size, sizeof (size)) != 0)
{
msg (M_WARN, "NOTE: setsockopt SO_RCVBUF=%d failed", size);
return false;
}
}
return true;
#endif

5
socket.h
View file

@ -41,6 +41,11 @@
*/
#define OPENVPN_PORT 1194
/*
* Maximum size passed passed to setsockopt SNDBUF/RCVBUF
*/
#define SOCKET_SND_RCV_BUF_MAX 1000000
/*
* Number of seconds that "resolv-retry infinite"
* represents.