*/
#include "includes.h"
-RCSID("$OpenBSD: clientloop.c,v 1.81 2001/07/17 21:04:57 markus Exp $");
+RCSID("$OpenBSD: clientloop.c,v 1.91 2001/12/20 22:50:24 djm Exp $");
#include "ssh.h"
#include "ssh1.h"
* window size to be sent to the server a little later. This is volatile
* because this is updated in a signal handler.
*/
-static volatile int received_window_change_signal = 0;
-static volatile int received_signal = 0;
+static volatile sig_atomic_t received_window_change_signal = 0;
+static volatile sig_atomic_t received_signal = 0;
/* Flag indicating whether the user\'s terminal is in non-blocking mode. */
static int in_non_blocking_mode = 0;
/* Send buffered stdin data to the server. */
while (buffer_len(&stdin_buffer) > 0 &&
- packet_not_very_much_data_to_write()) {
+ packet_not_very_much_data_to_write()) {
len = buffer_len(&stdin_buffer);
/* Keep the packets at reasonable size. */
if (len > packet_get_maxsize())
FD_SET(fileno(stderr), *writesetp);
} else {
/* channel_prepare_select could have closed the last channel */
- if (session_closed && !channel_still_open()) {
- if (!packet_have_data_to_write())
- return;
+ if (session_closed && !channel_still_open() &&
+ !packet_have_data_to_write()) {
+ /* clear mask since we did not call select() */
+ memset(*readsetp, 0, *nallocp);
+ memset(*writesetp, 0, *nallocp);
+ return;
} else {
FD_SET(connection_in, *readsetp);
}
* We have to return, because the mainloop checks for the flags
* set by the signal handlers.
*/
- memset(*readsetp, 0, *maxfdp);
- memset(*writesetp, 0, *maxfdp);
+ memset(*readsetp, 0, *nallocp);
+ memset(*writesetp, 0, *nallocp);
if (errno == EINTR)
return;
/* Check if the window size has changed. */
if (ioctl(fileno(stdin), TIOCGWINSZ, &newws) >= 0 &&
(oldws.ws_row != newws.ws_row ||
- oldws.ws_col != newws.ws_col ||
- oldws.ws_xpixel != newws.ws_xpixel ||
- oldws.ws_ypixel != newws.ws_ypixel))
+ oldws.ws_col != newws.ws_col ||
+ oldws.ws_xpixel != newws.ws_xpixel ||
+ oldws.ws_ypixel != newws.ws_ypixel))
received_window_change_signal = 1;
/* OK, we have been continued by the user. Reinitialize buffers. */
continue;
case '&':
- /* XXX does not work yet with proto 2 */
- if (compat20)
- continue;
/*
* Detach the program (continue to serve connections,
* but put in background and no more new connections).
*/
- if (!stdin_eof) {
- /*
- * Sending SSH_CMSG_EOF alone does not always appear
- * to be enough. So we try to send an EOF character
- * first.
- */
- packet_start(SSH_CMSG_STDIN_DATA);
- packet_put_string("\004", 1);
- packet_send();
- /* Close stdin. */
- stdin_eof = 1;
- if (buffer_len(bin) == 0) {
- packet_start(SSH_CMSG_EOF);
- packet_send();
- }
- }
/* Restore tty modes. */
leave_raw_mode();
/* Stop listening for new connections. */
- channel_close_all(); /* proto1 only XXXX */
+ channel_stop_listening();
- printf("%c& [backgrounded]\n", escape_char);
+ snprintf(string, sizeof string,
+ "%c& [backgrounded]\n", escape_char);
+ buffer_append(berr, string, strlen(string));
/* Fork into background. */
pid = fork();
exit(0);
}
/* The child continues serving connections. */
- continue; /*XXX ? */
+ if (compat20) {
+ buffer_append(bin, "\004", 1);
+ /* fake EOF on stdin */
+ return -1;
+ } else if (!stdin_eof) {
+ /*
+ * Sending SSH_CMSG_EOF alone does not always appear
+ * to be enough. So we try to send an EOF character
+ * first.
+ */
+ packet_start(SSH_CMSG_STDIN_DATA);
+ packet_put_string("\004", 1);
+ packet_send();
+ /* Close stdin. */
+ stdin_eof = 1;
+ if (buffer_len(bin) == 0) {
+ packet_start(SSH_CMSG_EOF);
+ packet_send();
+ }
+ }
+ continue;
case '?':
snprintf(string, sizeof string,
if (id != session_ident)
error("client_channel_closed: id %d != session_ident %d",
id, session_ident);
+ channel_cancel_cleanup(id);
session_closed = 1;
if (in_raw_mode())
leave_raw_mode();
signal(SIGINT, signal_handler);
signal(SIGQUIT, signal_handler);
signal(SIGTERM, signal_handler);
- signal(SIGPIPE, SIG_IGN);
if (have_pty)
signal(SIGWINCH, window_change_handler);
if (received_signal) {
if (in_non_blocking_mode) /* XXX */
leave_non_blocking();
- fatal("Killed by signal %d.", received_signal);
+ fatal("Killed by signal %d.", (int) received_signal);
}
/*
/* Report bytes transferred, and transfer rates. */
total_time = get_current_time() - start_time;
debug("Transferred: stdin %lu, stdout %lu, stderr %lu bytes in %.1f seconds",
- stdin_bytes, stdout_bytes, stderr_bytes, total_time);
+ stdin_bytes, stdout_bytes, stderr_bytes, total_time);
if (total_time > 0)
debug("Bytes per second: stdin %.1f, stdout %.1f, stderr %.1f",
- stdin_bytes / total_time, stdout_bytes / total_time,
- stderr_bytes / total_time);
+ stdin_bytes / total_time, stdout_bytes / total_time,
+ stderr_bytes / total_time);
/* Return the exit status of the program. */
debug("Exit status %d", exit_status);
/*********/
static void
-client_input_stdout_data(int type, int plen, void *ctxt)
+client_input_stdout_data(int type, int plen, u_int32_t seq, void *ctxt)
{
u_int data_len;
char *data = packet_get_string(&data_len);
xfree(data);
}
static void
-client_input_stderr_data(int type, int plen, void *ctxt)
+client_input_stderr_data(int type, int plen, u_int32_t seq, void *ctxt)
{
u_int data_len;
char *data = packet_get_string(&data_len);
xfree(data);
}
static void
-client_input_exit_status(int type, int plen, void *ctxt)
+client_input_exit_status(int type, int plen, u_int32_t seq, void *ctxt)
{
packet_integrity_check(plen, 4, type);
exit_status = packet_get_int();
error("client_request_x11: channel_new failed");
close(sock);
}
+ c->force_drain = 1;
return c;
}
error("client_request_agent: channel_new failed");
close(sock);
}
+ c->force_drain = 1;
return c;
}
/* XXXX move to generic input handler */
static void
-client_input_channel_open(int type, int plen, void *ctxt)
+client_input_channel_open(int type, int plen, u_int32_t seq, void *ctxt)
{
Channel *c = NULL;
char *ctype;
xfree(ctype);
}
static void
-client_input_channel_req(int type, int plen, void *ctxt)
+client_input_channel_req(int type, int plen, u_int32_t seq, void *ctxt)
{
Channel *c = NULL;
int id, reply, success = 0;
andersk / openssh.git / blobdiff