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- markus@cvs.openbsd.org 2003/08/29 10:04:36 

[channels.c nchan.c]
     be less chatty; debug -> debug2, cleanup; ok henning@
This commit is contained in:
Damien Miller 2003-09-02 22:52:31 +10:00
parent 7630ee2fa6
commit fbdeecef92
3 changed files with 58 additions and 55 deletions
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5
ChangeLog
View File

@ -12,6 +12,9 @@
- markus@cvs.openbsd.org 2003/08/29 10:03:15
[compat.c compat.h]
SSH_BUG_K5USER is unused; ok henning@
- markus@cvs.openbsd.org 2003/08/29 10:04:36
[channels.c nchan.c]
be less chatty; debug -> debug2, cleanup; ok henning@
20030829
- (bal) openbsd-compat/ clean up. Considate headers, add in Id on our
@ -927,4 +930,4 @@
- Fix sshd BindAddress and -b options for systems using fake-getaddrinfo.
Report from murple@murple.net, diagnosis from dtucker@zip.com.au
$Id: ChangeLog,v 1.2922 2003/09/02 12:52:00 djm Exp $
$Id: ChangeLog,v 1.2923 2003/09/02 12:52:31 djm Exp $

62
channels.c
View File

@ -39,7 +39,7 @@
*/
#include "includes.h"
RCSID("$OpenBSD: channels.c,v 1.193 2003/07/02 14:51:16 markus Exp $");
RCSID("$OpenBSD: channels.c,v 1.194 2003/08/29 10:04:36 markus Exp $");
#include "ssh.h"
#include "ssh1.h"
@ -177,7 +177,7 @@ channel_register_fds(Channel *c, int rfd, int wfd, int efd,
/* XXX ugly hack: nonblock is only set by the server */
if (nonblock && isatty(c->rfd)) {
debug("channel %d: rfd %d isatty", c->self, c->rfd);
debug2("channel %d: rfd %d isatty", c->self, c->rfd);
c->isatty = 1;
if (!isatty(c->wfd)) {
error("channel %d: wfd %d is not a tty?",
@ -304,7 +304,7 @@ channel_close_fd(int *fdp)
static void
channel_close_fds(Channel *c)
{
debug3("channel_close_fds: channel %d: r %d w %d e %d",
debug3("channel %d: close_fds r %d w %d e %d",
c->self, c->rfd, c->wfd, c->efd);
channel_close_fd(&c->sock);
@ -324,11 +324,11 @@ channel_free(Channel *c)
for (n = 0, i = 0; i < channels_alloc; i++)
if (channels[i])
n++;
debug("channel_free: channel %d: %s, nchannels %d", c->self,
debug("channel %d: free: %s, nchannels %d", c->self,
c->remote_name ? c->remote_name : "???", n);
s = channel_open_message();
debug3("channel_free: status: %s", s);
debug3("channel %d: status: %s", c->self, s);
xfree(s);
if (c->sock != -1)
@ -596,7 +596,7 @@ channel_request_start(int id, char *service, int wantconfirm)
logit("channel_request_start: %d: unknown channel id", id);
return;
}
debug("channel %d: request %s", id, service) ;
debug2("channel %d: request %s", id, service) ;
packet_start(SSH2_MSG_CHANNEL_REQUEST);
packet_put_int(c->remote_id);
packet_put_cstring(service);
@ -739,7 +739,7 @@ channel_pre_input_draining(Channel *c, fd_set * readset, fd_set * writeset)
packet_put_int(c->remote_id);
packet_send();
c->type = SSH_CHANNEL_CLOSED;
debug("channel %d: closing after input drain.", c->self);
debug2("channel %d: closing after input drain.", c->self);
}
}
@ -780,7 +780,7 @@ x11_open_helper(Buffer *b)
proto_len = ucp[6] + 256 * ucp[7];
data_len = ucp[8] + 256 * ucp[9];
} else {
debug("Initial X11 packet contains bad byte order byte: 0x%x",
debug2("Initial X11 packet contains bad byte order byte: 0x%x",
ucp[0]);
return -1;
}
@ -793,14 +793,14 @@ x11_open_helper(Buffer *b)
/* Check if authentication protocol matches. */
if (proto_len != strlen(x11_saved_proto) ||
memcmp(ucp + 12, x11_saved_proto, proto_len) != 0) {
debug("X11 connection uses different authentication protocol.");
debug2("X11 connection uses different authentication protocol.");
return -1;
}
/* Check if authentication data matches our fake data. */
if (data_len != x11_fake_data_len ||
memcmp(ucp + 12 + ((proto_len + 3) & ~3),
x11_fake_data, x11_fake_data_len) != 0) {
debug("X11 auth data does not match fake data.");
debug2("X11 auth data does not match fake data.");
return -1;
}
/* Check fake data length */
@ -857,7 +857,7 @@ channel_pre_x11_open(Channel *c, fd_set * readset, fd_set * writeset)
channel_pre_open(c, readset, writeset);
} else if (ret == -1) {
logit("X11 connection rejected because of wrong authentication.");
debug("X11 rejected %d i%d/o%d", c->self, c->istate, c->ostate);
debug2("X11 rejected %d i%d/o%d", c->self, c->istate, c->ostate);
chan_read_failed(c);
buffer_clear(&c->input);
chan_ibuf_empty(c);
@ -867,7 +867,7 @@ channel_pre_x11_open(Channel *c, fd_set * readset, fd_set * writeset)
chan_write_failed(c);
else
c->type = SSH_CHANNEL_OPEN;
debug("X11 closed %d i%d/o%d", c->self, c->istate, c->ostate);
debug2("X11 closed %d i%d/o%d", c->self, c->istate, c->ostate);
}
}
@ -925,7 +925,7 @@ channel_decode_socks4(Channel *c, fd_set * readset, fd_set * writeset)
strlcpy(c->path, host, sizeof(c->path));
c->host_port = ntohs(s4_req.dest_port);
debug("channel %d: dynamic request: socks4 host %s port %u command %u",
debug2("channel %d: dynamic request: socks4 host %s port %u command %u",
c->self, host, c->host_port, s4_req.command);
if (s4_req.command != 1) {
@ -1002,7 +1002,7 @@ channel_decode_socks5(Channel *c, fd_set * readset, fd_set * writeset)
if (s5_req.version != 0x05 ||
s5_req.command != SSH_SOCKS5_CONNECT ||
s5_req.reserved != 0x00) {
debug("channel %d: only socks5 connect supported", c->self);
debug2("channel %d: only socks5 connect supported", c->self);
return -1;
}
switch(s5_req.atyp){
@ -1019,7 +1019,7 @@ channel_decode_socks5(Channel *c, fd_set * readset, fd_set * writeset)
af = AF_INET6;
break;
default:
debug("channel %d: bad socks5 atyp %d", c->self, s5_req.atyp);
debug2("channel %d: bad socks5 atyp %d", c->self, s5_req.atyp);
return -1;
}
if (have < 4 + addrlen + 2)
@ -1036,7 +1036,7 @@ channel_decode_socks5(Channel *c, fd_set * readset, fd_set * writeset)
return -1;
c->host_port = ntohs(dest_port);
debug("channel %d: dynamic request: socks5 host %s port %u command %u",
debug2("channel %d: dynamic request: socks5 host %s port %u command %u",
c->self, c->path, c->host_port, s5_req.command);
s5_rsp.version = 0x05;
@ -1111,7 +1111,7 @@ channel_post_x11_listener(Channel *c, fd_set * readset, fd_set * writeset)
addrlen = sizeof(addr);
newsock = accept(c->sock, &addr, &addrlen);
if (c->single_connection) {
debug("single_connection: closing X11 listener.");
debug2("single_connection: closing X11 listener.");
channel_close_fd(&c->sock);
chan_mark_dead(c);
}
@ -1137,7 +1137,7 @@ channel_post_x11_listener(Channel *c, fd_set * readset, fd_set * writeset)
/* originator ipaddr and port */
packet_put_cstring(remote_ipaddr);
if (datafellows & SSH_BUG_X11FWD) {
debug("ssh2 x11 bug compat mode");
debug2("ssh2 x11 bug compat mode");
} else {
packet_put_int(remote_port);
}
@ -1356,16 +1356,16 @@ channel_handle_rfd(Channel *c, fd_set * readset, fd_set * writeset)
if (len < 0 && (errno == EINTR || errno == EAGAIN))
return 1;
if (len <= 0) {
debug("channel %d: read<=0 rfd %d len %d",
debug2("channel %d: read<=0 rfd %d len %d",
c->self, c->rfd, len);
if (c->type != SSH_CHANNEL_OPEN) {
debug("channel %d: not open", c->self);
debug2("channel %d: not open", c->self);
chan_mark_dead(c);
return -1;
} else if (compat13) {
buffer_clear(&c->output);
c->type = SSH_CHANNEL_INPUT_DRAINING;
debug("channel %d: input draining.", c->self);
debug2("channel %d: input draining.", c->self);
} else {
chan_read_failed(c);
}
@ -1373,7 +1373,7 @@ channel_handle_rfd(Channel *c, fd_set * readset, fd_set * writeset)
}
if (c->input_filter != NULL) {
if (c->input_filter(c, buf, len) == -1) {
debug("channel %d: filter stops", c->self);
debug2("channel %d: filter stops", c->self);
chan_read_failed(c);
}
} else {
@ -1406,12 +1406,12 @@ channel_handle_wfd(Channel *c, fd_set * readset, fd_set * writeset)
return 1;
if (len <= 0) {
if (c->type != SSH_CHANNEL_OPEN) {
debug("channel %d: not open", c->self);
debug2("channel %d: not open", c->self);
chan_mark_dead(c);
return -1;
} else if (compat13) {
buffer_clear(&c->output);
debug("channel %d: input draining.", c->self);
debug2("channel %d: input draining.", c->self);
c->type = SSH_CHANNEL_INPUT_DRAINING;
} else {
chan_write_failed(c);
@ -1618,16 +1618,16 @@ channel_garbage_collect(Channel *c)
if (c->detach_user != NULL) {
if (!chan_is_dead(c, 0))
return;
debug("channel %d: gc: notify user", c->self);
debug2("channel %d: gc: notify user", c->self);
c->detach_user(c->self, NULL);
/* if we still have a callback */
if (c->detach_user != NULL)
return;
debug("channel %d: gc: user detached", c->self);
debug2("channel %d: gc: user detached", c->self);
}
if (!chan_is_dead(c, 1))
return;
debug("channel %d: garbage collecting", c->self);
debug2("channel %d: garbage collecting", c->self);
channel_free(c);
}
@ -2002,7 +2002,7 @@ channel_input_open_confirmation(int type, u_int32_t seq, void *ctxt)
c->confirm(c->self, NULL);
debug2("callback done");
}
debug("channel %d: open confirm rwindow %u rmax %u", c->self,
debug2("channel %d: open confirm rwindow %u rmax %u", c->self,
c->remote_window, c->remote_maxpacket);
}
packet_check_eom();
@ -2514,7 +2514,7 @@ x11_create_display_inet(int x11_display_offset, int x11_use_localhost,
}
#endif
if (bind(sock, ai->ai_addr, ai->ai_addrlen) < 0) {
debug("bind port %d: %.100s", port, strerror(errno));
debug2("bind port %d: %.100s", port, strerror(errno));
close(sock);
if (ai->ai_next)
@ -2663,12 +2663,12 @@ x11_connect_display(void)
/* Create a socket. */
sock = socket(ai->ai_family, ai->ai_socktype, ai->ai_protocol);
if (sock < 0) {
debug("socket: %.100s", strerror(errno));
debug2("socket: %.100s", strerror(errno));
continue;
}
/* Connect it to the display. */
if (connect(sock, ai->ai_addr, ai->ai_addrlen) < 0) {
debug("connect %.100s port %d: %.100s", buf,
debug2("connect %.100s port %d: %.100s", buf,
6000 + display_number, strerror(errno));
close(sock);
continue;

46
nchan.c
View File

@ -23,7 +23,7 @@
*/
#include "includes.h"
RCSID("$OpenBSD: nchan.c,v 1.48 2003/04/08 20:21:29 itojun Exp $");
RCSID("$OpenBSD: nchan.c,v 1.49 2003/08/29 10:04:36 markus Exp $");
#include "ssh1.h"
#include "ssh2.h"
@ -83,7 +83,7 @@ chan_set_istate(Channel *c, u_int next)
{
if (c->istate > CHAN_INPUT_CLOSED || next > CHAN_INPUT_CLOSED)
fatal("chan_set_istate: bad state %d -> %d", c->istate, next);
debug("channel %d: input %s -> %s", c->self, istates[c->istate],
debug2("channel %d: input %s -> %s", c->self, istates[c->istate],
istates[next]);
c->istate = next;
}
@ -92,7 +92,7 @@ chan_set_ostate(Channel *c, u_int next)
{
if (c->ostate > CHAN_OUTPUT_CLOSED || next > CHAN_OUTPUT_CLOSED)
fatal("chan_set_ostate: bad state %d -> %d", c->ostate, next);
debug("channel %d: output %s -> %s", c->self, ostates[c->ostate],
debug2("channel %d: output %s -> %s", c->self, ostates[c->ostate],
ostates[next]);
c->ostate = next;
}
@ -104,7 +104,7 @@ chan_set_ostate(Channel *c, u_int next)
static void
chan_rcvd_oclose1(Channel *c)
{
debug("channel %d: rcvd oclose", c->self);
debug2("channel %d: rcvd oclose", c->self);
switch (c->istate) {
case CHAN_INPUT_WAIT_OCLOSE:
chan_set_istate(c, CHAN_INPUT_CLOSED);
@ -128,7 +128,7 @@ chan_rcvd_oclose1(Channel *c)
void
chan_read_failed(Channel *c)
{
debug("channel %d: read failed", c->self);
debug2("channel %d: read failed", c->self);
switch (c->istate) {
case CHAN_INPUT_OPEN:
chan_shutdown_read(c);
@ -143,7 +143,7 @@ chan_read_failed(Channel *c)
void
chan_ibuf_empty(Channel *c)
{
debug("channel %d: ibuf empty", c->self);
debug2("channel %d: ibuf empty", c->self);
if (buffer_len(&c->input)) {
error("channel %d: chan_ibuf_empty for non empty buffer",
c->self);
@ -169,7 +169,7 @@ chan_ibuf_empty(Channel *c)
static void
chan_rcvd_ieof1(Channel *c)
{
debug("channel %d: rcvd ieof", c->self);
debug2("channel %d: rcvd ieof", c->self);
switch (c->ostate) {
case CHAN_OUTPUT_OPEN:
chan_set_ostate(c, CHAN_OUTPUT_WAIT_DRAIN);
@ -186,7 +186,7 @@ chan_rcvd_ieof1(Channel *c)
static void
chan_write_failed1(Channel *c)
{
debug("channel %d: write failed", c->self);
debug2("channel %d: write failed", c->self);
switch (c->ostate) {
case CHAN_OUTPUT_OPEN:
chan_shutdown_write(c);
@ -207,7 +207,7 @@ chan_write_failed1(Channel *c)
void
chan_obuf_empty(Channel *c)
{
debug("channel %d: obuf empty", c->self);
debug2("channel %d: obuf empty", c->self);
if (buffer_len(&c->output)) {
error("channel %d: chan_obuf_empty for non empty buffer",
c->self);
@ -229,7 +229,7 @@ chan_obuf_empty(Channel *c)
static void
chan_send_ieof1(Channel *c)
{
debug("channel %d: send ieof", c->self);
debug2("channel %d: send ieof", c->self);
switch (c->istate) {
case CHAN_INPUT_OPEN:
case CHAN_INPUT_WAIT_DRAIN:
@ -246,7 +246,7 @@ chan_send_ieof1(Channel *c)
static void
chan_send_oclose1(Channel *c)
{
debug("channel %d: send oclose", c->self);
debug2("channel %d: send oclose", c->self);
switch (c->ostate) {
case CHAN_OUTPUT_OPEN:
case CHAN_OUTPUT_WAIT_DRAIN:
@ -268,7 +268,7 @@ chan_send_oclose1(Channel *c)
static void
chan_rcvd_close2(Channel *c)
{
debug("channel %d: rcvd close", c->self);
debug2("channel %d: rcvd close", c->self);
if (c->flags & CHAN_CLOSE_RCVD)
error("channel %d: protocol error: close rcvd twice", c->self);
c->flags |= CHAN_CLOSE_RCVD;
@ -301,7 +301,7 @@ chan_rcvd_close2(Channel *c)
static void
chan_rcvd_eof2(Channel *c)
{
debug("channel %d: rcvd eof", c->self);
debug2("channel %d: rcvd eof", c->self);
c->flags |= CHAN_EOF_RCVD;
if (c->ostate == CHAN_OUTPUT_OPEN)
chan_set_ostate(c, CHAN_OUTPUT_WAIT_DRAIN);
@ -309,7 +309,7 @@ chan_rcvd_eof2(Channel *c)
static void
chan_write_failed2(Channel *c)
{
debug("channel %d: write failed", c->self);
debug2("channel %d: write failed", c->self);
switch (c->ostate) {
case CHAN_OUTPUT_OPEN:
case CHAN_OUTPUT_WAIT_DRAIN:
@ -325,7 +325,7 @@ chan_write_failed2(Channel *c)
static void
chan_send_eof2(Channel *c)
{
debug("channel %d: send eof", c->self);
debug2("channel %d: send eof", c->self);
switch (c->istate) {
case CHAN_INPUT_WAIT_DRAIN:
packet_start(SSH2_MSG_CHANNEL_EOF);
@ -342,7 +342,7 @@ chan_send_eof2(Channel *c)
static void
chan_send_close2(Channel *c)
{
debug("channel %d: send close", c->self);
debug2("channel %d: send close", c->self);
if (c->ostate != CHAN_OUTPUT_CLOSED ||
c->istate != CHAN_INPUT_CLOSED) {
error("channel %d: cannot send close for istate/ostate %d/%d",
@ -398,13 +398,13 @@ int
chan_is_dead(Channel *c, int send)
{
if (c->type == SSH_CHANNEL_ZOMBIE) {
debug("channel %d: zombie", c->self);
debug2("channel %d: zombie", c->self);
return 1;
}
if (c->istate != CHAN_INPUT_CLOSED || c->ostate != CHAN_OUTPUT_CLOSED)
return 0;
if (!compat20) {
debug("channel %d: is dead", c->self);
debug2("channel %d: is dead", c->self);
return 1;
}
if ((datafellows & SSH_BUG_EXTEOF) &&
@ -421,7 +421,7 @@ chan_is_dead(Channel *c, int send)
} else {
/* channel would be dead if we sent a close */
if (c->flags & CHAN_CLOSE_RCVD) {
debug("channel %d: almost dead",
debug2("channel %d: almost dead",
c->self);
return 1;
}
@ -429,7 +429,7 @@ chan_is_dead(Channel *c, int send)
}
if ((c->flags & CHAN_CLOSE_SENT) &&
(c->flags & CHAN_CLOSE_RCVD)) {
debug("channel %d: is dead", c->self);
debug2("channel %d: is dead", c->self);
return 1;
}
return 0;
@ -443,10 +443,10 @@ chan_shutdown_write(Channel *c)
if (compat20 && c->type == SSH_CHANNEL_LARVAL)
return;
/* shutdown failure is allowed if write failed already */
debug("channel %d: close_write", c->self);
debug2("channel %d: close_write", c->self);
if (c->sock != -1) {
if (shutdown(c->sock, SHUT_WR) < 0)
debug("channel %d: chan_shutdown_write: "
debug2("channel %d: chan_shutdown_write: "
"shutdown() failed for fd%d: %.100s",
c->self, c->sock, strerror(errno));
} else {
@ -461,7 +461,7 @@ chan_shutdown_read(Channel *c)
{
if (compat20 && c->type == SSH_CHANNEL_LARVAL)
return;
debug("channel %d: close_read", c->self);
debug2("channel %d: close_read", c->self);
if (c->sock != -1) {
/*
* shutdown(sock, SHUT_READ) may return ENOTCONN if the