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upstream commit 

include remote port number in a few more messages; makes
 tying log messages together into a session a bit easier; bz#2503 ok dtucker@

Upstream-ID: 9300dc354015f7a7368d94a8ff4a4266a69d237e
This commit is contained in:
djm@openbsd.org 2015-12-11 03:24:25 +00:00 committed by Damien Miller
parent 6091c362e8
commit a4b9e0f4e4
2 changed files with 46 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

66
packet.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: packet.c,v 1.219 2015/12/10 17:08:40 mmcc Exp $ */
/* $OpenBSD: packet.c,v 1.220 2015/12/11 03:24:25 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@ -338,7 +338,8 @@ ssh_packet_stop_discard(struct ssh *ssh)
sshbuf_ptr(state->incoming_packet), PACKET_MAX_SIZE,
NULL, 0);
}
logit("Finished discarding for %.200s", ssh_remote_ipaddr(ssh));
logit("Finished discarding for %.200s port %d",
ssh_remote_ipaddr(ssh), ssh_remote_port(ssh));
return SSH_ERR_MAC_INVALID;
}
@ -455,16 +456,30 @@ ssh_packet_get_connection_out(struct ssh *ssh)
const char *
ssh_remote_ipaddr(struct ssh *ssh)
{
const int sock = ssh->state->connection_in;
/* Check whether we have cached the ipaddr. */
if (ssh->remote_ipaddr == NULL)
ssh->remote_ipaddr = ssh_packet_connection_is_on_socket(ssh) ?
get_peer_ipaddr(ssh->state->connection_in) :
strdup("UNKNOWN");
if (ssh->remote_ipaddr == NULL)
return "UNKNOWN";
if (ssh->remote_ipaddr == NULL) {
if (ssh_packet_connection_is_on_socket(ssh)) {
ssh->remote_ipaddr = get_peer_ipaddr(sock);
ssh->remote_port = get_sock_port(sock, 0);
} else {
ssh->remote_ipaddr = strdup("UNKNOWN");
ssh->remote_port = 0;
}
}
return ssh->remote_ipaddr;
}
/* Returns the port number of the remote host. */
int
ssh_remote_port(struct ssh *ssh)
{
(void)ssh_remote_ipaddr(ssh); /* Will lookup and cache. */
return ssh->remote_port;
}
/* Closes the connection and clears and frees internal data structures. */
void
@ -1796,8 +1811,9 @@ ssh_packet_read_poll_seqnr(struct ssh *ssh, u_char *typep, u_int32_t *seqnr_p)
do_log2(ssh->state->server_side &&
reason == SSH2_DISCONNECT_BY_APPLICATION ?
SYSLOG_LEVEL_INFO : SYSLOG_LEVEL_ERROR,
"Received disconnect from %s: %u: %.400s",
ssh_remote_ipaddr(ssh), reason, msg);
"Received disconnect from %s port %d:"
"%u: %.400s", ssh_remote_ipaddr(ssh),
ssh_remote_port(ssh), reason, msg);
free(msg);
return SSH_ERR_DISCONNECTED;
case SSH2_MSG_UNIMPLEMENTED:
@ -1825,8 +1841,9 @@ ssh_packet_read_poll_seqnr(struct ssh *ssh, u_char *typep, u_int32_t *seqnr_p)
case SSH_MSG_DISCONNECT:
if ((r = sshpkt_get_string(ssh, &msg, NULL)) != 0)
return r;
error("Received disconnect from %s: %.400s",
ssh_remote_ipaddr(ssh), msg);
error("Received disconnect from %s port %d: "
"%.400s", ssh_remote_ipaddr(ssh),
ssh_remote_port(ssh), msg);
free(msg);
return SSH_ERR_DISCONNECTED;
default:
@ -1916,19 +1933,22 @@ sshpkt_fatal(struct ssh *ssh, const char *tag, int r)
{
switch (r) {
case SSH_ERR_CONN_CLOSED:
logit("Connection closed by %.200s", ssh_remote_ipaddr(ssh));
logit("Connection closed by %.200s port %d",
ssh_remote_ipaddr(ssh), ssh_remote_port(ssh));
cleanup_exit(255);
case SSH_ERR_CONN_TIMEOUT:
logit("Connection to %.200s timed out", ssh_remote_ipaddr(ssh));
logit("Connection %s %.200s port %d timed out",
ssh->state->server_side ? "from" : "to",
ssh_remote_ipaddr(ssh), ssh_remote_port(ssh));
cleanup_exit(255);
case SSH_ERR_DISCONNECTED:
logit("Disconnected from %.200s",
ssh_remote_ipaddr(ssh));
logit("Disconnected from %.200s port %d",
ssh_remote_ipaddr(ssh), ssh_remote_port(ssh));
cleanup_exit(255);
case SSH_ERR_SYSTEM_ERROR:
if (errno == ECONNRESET) {
logit("Connection reset by %.200s",
ssh_remote_ipaddr(ssh));
logit("Connection reset by %.200s port %d",
ssh_remote_ipaddr(ssh), ssh_remote_port(ssh));
cleanup_exit(255);
}
/* FALLTHROUGH */
@ -1938,15 +1958,17 @@ sshpkt_fatal(struct ssh *ssh, const char *tag, int r)
case SSH_ERR_NO_KEX_ALG_MATCH:
case SSH_ERR_NO_HOSTKEY_ALG_MATCH:
if (ssh && ssh->kex && ssh->kex->failed_choice) {
fatal("Unable to negotiate with %.200s: %s. "
fatal("Unable to negotiate with %.200s port %d: %s. "
"Their offer: %s", ssh_remote_ipaddr(ssh),
ssh_err(r), ssh->kex->failed_choice);
ssh_remote_port(ssh), ssh_err(r),
ssh->kex->failed_choice);
}
/* FALLTHROUGH */
default:
fatal("%s%sConnection to %.200s: %s",
fatal("%s%sConnection %s %.200s port %d: %s",
tag != NULL ? tag : "", tag != NULL ? ": " : "",
ssh_remote_ipaddr(ssh), ssh_err(r));
ssh->state->server_side ? "from" : "to",
ssh_remote_ipaddr(ssh), ssh_remote_port(ssh), ssh_err(r));
}
}

3
packet.h
View File

@ -1,4 +1,4 @@
/* $OpenBSD: packet.h,v 1.66 2015/01/30 01:13:33 djm Exp $ */
/* $OpenBSD: packet.h,v 1.67 2015/12/11 03:24:25 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
@ -143,6 +143,7 @@ int ssh_packet_get_state(struct ssh *, struct sshbuf *);
int ssh_packet_set_state(struct ssh *, struct sshbuf *);
const char *ssh_remote_ipaddr(struct ssh *);
int ssh_remote_port(struct ssh *);
int ssh_packet_need_rekeying(struct ssh *);
void ssh_packet_set_rekey_limits(struct ssh *, u_int32_t, time_t);