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Report details in Event Log when receiving SSH2_MSG_CHANNEL_OPEN_FAILURE.

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[originally from svn r4589]
This commit is contained in:
Simon Tatham 2004-09-29 12:38:45 +00:00
parent 3a11379597
commit 05696aabfd
1 changed files with 20 additions and 1 deletions
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21
ssh.c
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@ -6085,7 +6085,18 @@ static void do_ssh2_authconn(Ssh ssh, unsigned char *in, int inlen, int ispkt)
ssh2_pkt_send(ssh);
}
} else if (ssh->pktin.type == SSH2_MSG_CHANNEL_OPEN_FAILURE) {
static const char *const reasons[] = {
"<unknown reason code>",
"Administratively prohibited",
"Connect failed",
"Unknown channel type",
"Resource shortage",
};
unsigned i = ssh_pkt_getuint32(ssh);
unsigned reason_code;
char *reason_string;
int reason_length;
char *message;
struct ssh_channel *c;
c = find234(ssh->channels, &i, ssh_channelfind);
if (!c)
@ -6093,7 +6104,15 @@ static void do_ssh2_authconn(Ssh ssh, unsigned char *in, int inlen, int ispkt)
if (c->type != CHAN_SOCKDATA_DORMANT)
continue; /* dunno why they're failing this */
logevent("Forwarded connection refused by server");
reason_code = ssh_pkt_getuint32(ssh);
if (reason_code >= lenof(reasons))
reason_code = 0; /* ensure reasons[reason_code] in range */
ssh_pkt_getstring(ssh, &reason_string, &reason_length);
message = dupprintf("Forwarded connection refused by"
" server: %s [%.*s]", reasons[reason_code],
reason_length, reason_string);
logevent(message);
sfree(message);
pfd_close(c->u.pfd.s);