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Add SSH_STATE_CLOSED to prevent accidentally sending resizes down a

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closed connection; was causing process hangs under NT and whole-
system hangs under '95

[originally from svn r126]
This commit is contained in:
Simon Tatham 1999-03-23 17:21:44 +00:00
parent 16fcf56bd3
commit 7c9195b8f9
1 changed files with 6 additions and 2 deletions
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8
ssh.c
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@ -47,7 +47,8 @@ static char *savedhost;
static enum {
SSH_STATE_BEFORE_SIZE,
SSH_STATE_INTERMED,
SSH_STATE_SESSION
SSH_STATE_SESSION,
SSH_STATE_CLOSED
} ssh_state = SSH_STATE_BEFORE_SIZE;
static int size_needed = FALSE;
@ -478,7 +479,8 @@ static void ssh_protocol(unsigned char *in, int inlen, int ispkt) {
len = (len << 8) + pktin.body[i];
c_write(pktin.body+4, len);
} else if (pktin.type == 1) {
/* SSH_MSG_DISCONNECT: do nothing */
/* SSH_MSG_DISCONNECT */
ssh_state = SSH_STATE_CLOSED;
} else if (pktin.type == 14) {
/* SSH_MSG_SUCCESS: may be from EXEC_SHELL on some servers */
} else if (pktin.type == 15) {
@ -647,6 +649,7 @@ static int ssh_msg (WPARAM wParam, LPARAM lParam) {
return 1;
case FD_CLOSE:
s = INVALID_SOCKET;
ssh_state = SSH_STATE_CLOSED;
return 0;
}
return 1; /* shouldn't happen, but WTF */
@ -668,6 +671,7 @@ static void ssh_send (char *buf, int len) {
static void ssh_size(void) {
switch (ssh_state) {
case SSH_STATE_BEFORE_SIZE:
case SSH_STATE_CLOSED:
break; /* do nothing */
case SSH_STATE_INTERMED:
size_needed = TRUE; /* buffer for later */