*/
#include "includes.h"
-RCSID("$OpenBSD: clientloop.c,v 1.71 2001/05/16 21:53:53 markus Exp $");
+RCSID("$OpenBSD: clientloop.c,v 1.75 2001/06/04 23:07:20 markus Exp $");
#include "ssh.h"
#include "ssh1.h"
* because this is updated in a signal handler.
*/
static volatile int received_window_change_signal = 0;
+static volatile int received_signal = 0;
/* Flag indicating whether the user\'s terminal is in non-blocking mode. */
static int in_non_blocking_mode = 0;
void
signal_handler(int sig)
{
- if (in_raw_mode())
- leave_raw_mode();
- if (in_non_blocking_mode)
- leave_non_blocking();
- channel_stop_listening();
- packet_close();
- fatal("Killed by signal %d.", sig);
+ received_signal = sig;
+ quit_pending = 1;
}
/*
"%c?\r\n\
Supported escape sequences:\r\n\
~. - terminate connection\r\n\
-~R - Request rekey (SSH protocol 2 only)\r\n\
+~R - Request rekey (SSH protocol 2 only)\r\n\
~^Z - suspend ssh\r\n\
~# - list forwarded connections\r\n\
~& - background ssh (when waiting for connections to terminate)\r\n\
packet_start(SSH_CMSG_EOF);
packet_send();
}
- } else if (escape_char == -1) {
+ } else if (escape_char == SSH_ESCAPECHAR_NONE) {
/*
* Normal successful read, and no escape character.
* Just append the data to buffer.
/*
* Implements the interactive session with the server. This is called after
* the user has been authenticated, and a command has been started on the
- * remote host. If escape_char != -1, it is the character used as an escape
- * character for terminating or suspending the session.
+ * remote host. If escape_char != SSH_ESCAPECHAR_NONE, it is the character
+ * used as an escape character for terminating or suspending the session.
*/
int
if (compat20) {
session_ident = ssh2_chan_id;
- if (escape_char != -1)
+ if (escape_char != SSH_ESCAPECHAR_NONE)
channel_register_filter(session_ident,
simple_escape_filter);
if (session_ident != -1)
/* Stop listening for connections. */
channel_stop_listening();
- /*
- * In interactive mode (with pseudo tty) display a message indicating
- * that the connection has been closed.
- */
- if (have_pty && options.log_level != SYSLOG_LEVEL_QUIET) {
- snprintf(buf, sizeof buf, "Connection to %.64s closed.\r\n", host);
- buffer_append(&stderr_buffer, buf, strlen(buf));
- }
+ if (have_pty)
+ leave_raw_mode();
/* restore blocking io */
if (!isatty(fileno(stdin)))
if (!isatty(fileno(stderr)))
unset_nonblock(fileno(stderr));
+ if (received_signal) {
+ if (in_non_blocking_mode) /* XXX */
+ leave_non_blocking();
+ fatal("Killed by signal %d.", received_signal);
+ }
+
+ /*
+ * In interactive mode (with pseudo tty) display a message indicating
+ * that the connection has been closed.
+ */
+ if (have_pty && options.log_level != SYSLOG_LEVEL_QUIET) {
+ snprintf(buf, sizeof buf, "Connection to %.64s closed.\r\n", host);
+ buffer_append(&stderr_buffer, buf, strlen(buf));
+ }
+
/* Output any buffered data for stdout. */
while (buffer_len(&stdout_buffer) > 0) {
len = write(fileno(stdout), buffer_ptr(&stdout_buffer),
stderr_bytes += len;
}
- if (have_pty)
- leave_raw_mode();
-
/* Clear and free any buffers. */
memset(buf, 0, sizeof(buf));
buffer_free(&stdin_buffer);