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ssh: handle unknown MSG_CHANNE_REQUEST messages

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This commit is contained in:
cinap_lenrek 2018-11-08 22:35:45 +01:00
parent 2a266430e3
commit 8c097ae84a
1 changed files with 11 additions and 4 deletions
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15
sys/src/cmd/ssh.c
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@ -966,8 +966,9 @@ dispatch(void)
if(unpack(recv.r, recv.w-recv.r, "_sb", &s, &n, &b) < 0)
break;
if(debug)
fprint(2, "%s: ignoring global request %.*s\n", argv0, n, s);
if(b != 0) sendpkt("b", MSG_REQUEST_FAILURE);
fprint(2, "%s: global request: %.*s\n", argv0, n, s);
if(b != 0)
sendpkt("b", MSG_REQUEST_FAILURE);
return;
case MSG_DISCONNECT:
if(unpack(recv.r, recv.w-recv.r, "_us", &c, &s, &n) < 0)
@ -1025,14 +1026,20 @@ dispatch(void)
break;
if(n != 0 && status == nil)
status = smprint("%.*s", n, s);
c = MSG_CHANNEL_SUCCESS;
} else if(n == 11 && memcmp(s, "exit-status", n) == 0){
if(unpack(p, recv.w-p, "u", &n) < 0)
break;
if(n != 0 && status == nil)
status = smprint("%d", n);
} else if(debug) {
fprint(2, "%s: channel request: %.*s\n", argv0, n, s);
c = MSG_CHANNEL_SUCCESS;
} else {
if(debug)
fprint(2, "%s: channel request: %.*s\n", argv0, n, s);
c = MSG_CHANNEL_FAILURE;
}
if(b != 0)
sendpkt("bu", c, recv.chan);
return;
case MSG_CHANNEL_EOF:
recv.eof = 1;