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When starting a SOCKS connection in dynamic forwarding, freeze the

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local socket _before_ calling the SSH setup functions. This makes no
difference to ssh.c itself, but it makes portfwd.c easier to reuse
for other purposes (e.g. as a component of a standalone SOCKS
server), because now ssh_send_port_open() can itself call
pfd_confirm() without the freeze and unfreeze happening in the wrong
order.

[originally from svn r8500]
This commit is contained in:
Simon Tatham 2009-04-23 17:33:42 +00:00
parent 87aafaa89a
commit 74baacffa3
1 changed files with 6 additions and 5 deletions
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11
portfwd.c
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@ -278,6 +278,12 @@ static int pfd_receive(Plug plug, int urgent, char *data, int len)
*/
connect:
/*
* Freeze the socket until the SSH server confirms the
* connection.
*/
sk_set_frozen(pr->s, 1);
pr->c = new_sock_channel(pr->backhandle, pr->s);
if (pr->c == NULL) {
pfd_close(pr->s);
@ -288,11 +294,6 @@ static int pfd_receive(Plug plug, int urgent, char *data, int len)
}
pr->dynamic = 0;
/*
* Now freeze the socket until the SSH server confirms the
* connection.
*/
sk_set_frozen(pr->s, 1);
/*
* If there's any data remaining in our current buffer,
* save it to be sent on pfd_confirm().