version 1.84.2.1, 2001/11/14 03:24:38 |
version 1.84.2.2, 2002/03/07 17:37:46 |
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* window size to be sent to the server a little later. This is volatile |
* window size to be sent to the server a little later. This is volatile |
* because this is updated in a signal handler. |
* because this is updated in a signal handler. |
*/ |
*/ |
static volatile int received_window_change_signal = 0; |
static volatile sig_atomic_t received_window_change_signal = 0; |
static volatile int received_signal = 0; |
static volatile sig_atomic_t received_signal = 0; |
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/* Flag indicating whether the user\'s terminal is in non-blocking mode. */ |
/* Flag indicating whether the user\'s terminal is in non-blocking mode. */ |
static int in_non_blocking_mode = 0; |
static int in_non_blocking_mode = 0; |
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/* Send buffered stdin data to the server. */ |
/* Send buffered stdin data to the server. */ |
while (buffer_len(&stdin_buffer) > 0 && |
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); |
len = buffer_len(&stdin_buffer); |
/* Keep the packets at reasonable size. */ |
/* Keep the packets at reasonable size. */ |
if (len > packet_get_maxsize()) |
if (len > packet_get_maxsize()) |
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/* Check if the window size has changed. */ |
/* Check if the window size has changed. */ |
if (ioctl(fileno(stdin), TIOCGWINSZ, &newws) >= 0 && |
if (ioctl(fileno(stdin), TIOCGWINSZ, &newws) >= 0 && |
(oldws.ws_row != newws.ws_row || |
(oldws.ws_row != newws.ws_row || |
oldws.ws_col != newws.ws_col || |
oldws.ws_col != newws.ws_col || |
oldws.ws_xpixel != newws.ws_xpixel || |
oldws.ws_xpixel != newws.ws_xpixel || |
oldws.ws_ypixel != newws.ws_ypixel)) |
oldws.ws_ypixel != newws.ws_ypixel)) |
received_window_change_signal = 1; |
received_window_change_signal = 1; |
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/* OK, we have been continued by the user. Reinitialize buffers. */ |
/* OK, we have been continued by the user. Reinitialize buffers. */ |
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if (received_signal) { |
if (received_signal) { |
if (in_non_blocking_mode) /* XXX */ |
if (in_non_blocking_mode) /* XXX */ |
leave_non_blocking(); |
leave_non_blocking(); |
fatal("Killed by signal %d.", received_signal); |
fatal("Killed by signal %d.", (int) received_signal); |
} |
} |
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/* |
/* |
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/* Report bytes transferred, and transfer rates. */ |
/* Report bytes transferred, and transfer rates. */ |
total_time = get_current_time() - start_time; |
total_time = get_current_time() - start_time; |
debug("Transferred: stdin %lu, stdout %lu, stderr %lu bytes in %.1f seconds", |
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) |
if (total_time > 0) |
debug("Bytes per second: stdin %.1f, stdout %.1f, stderr %.1f", |
debug("Bytes per second: stdin %.1f, stdout %.1f, stderr %.1f", |
stdin_bytes / total_time, stdout_bytes / total_time, |
stdin_bytes / total_time, stdout_bytes / total_time, |
stderr_bytes / total_time); |
stderr_bytes / total_time); |
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/* Return the exit status of the program. */ |
/* Return the exit status of the program. */ |
debug("Exit status %d", exit_status); |
debug("Exit status %d", exit_status); |
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/*********/ |
/*********/ |
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static void |
static void |
client_input_stdout_data(int type, int plen, void *ctxt) |
client_input_stdout_data(int type, u_int32_t seq, void *ctxt) |
{ |
{ |
u_int data_len; |
u_int data_len; |
char *data = packet_get_string(&data_len); |
char *data = packet_get_string(&data_len); |
packet_integrity_check(plen, 4 + data_len, type); |
packet_check_eom(); |
buffer_append(&stdout_buffer, data, data_len); |
buffer_append(&stdout_buffer, data, data_len); |
memset(data, 0, data_len); |
memset(data, 0, data_len); |
xfree(data); |
xfree(data); |
} |
} |
static void |
static void |
client_input_stderr_data(int type, int plen, void *ctxt) |
client_input_stderr_data(int type, u_int32_t seq, void *ctxt) |
{ |
{ |
u_int data_len; |
u_int data_len; |
char *data = packet_get_string(&data_len); |
char *data = packet_get_string(&data_len); |
packet_integrity_check(plen, 4 + data_len, type); |
packet_check_eom(); |
buffer_append(&stderr_buffer, data, data_len); |
buffer_append(&stderr_buffer, data, data_len); |
memset(data, 0, data_len); |
memset(data, 0, data_len); |
xfree(data); |
xfree(data); |
} |
} |
static void |
static void |
client_input_exit_status(int type, int plen, void *ctxt) |
client_input_exit_status(int type, u_int32_t seq, void *ctxt) |
{ |
{ |
packet_integrity_check(plen, 4, type); |
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exit_status = packet_get_int(); |
exit_status = packet_get_int(); |
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packet_check_eom(); |
/* Acknowledge the exit. */ |
/* Acknowledge the exit. */ |
packet_start(SSH_CMSG_EXIT_CONFIRMATION); |
packet_start(SSH_CMSG_EXIT_CONFIRMATION); |
packet_send(); |
packet_send(); |
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listen_port = packet_get_int(); |
listen_port = packet_get_int(); |
originator_address = packet_get_string(NULL); |
originator_address = packet_get_string(NULL); |
originator_port = packet_get_int(); |
originator_port = packet_get_int(); |
packet_done(); |
packet_check_eom(); |
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debug("client_request_forwarded_tcpip: listen %s port %d, originator %s port %d", |
debug("client_request_forwarded_tcpip: listen %s port %d, originator %s port %d", |
listen_address, listen_port, originator_address, originator_port); |
listen_address, listen_port, originator_address, originator_port); |
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SSH_CHANNEL_CONNECTING, sock, sock, -1, |
SSH_CHANNEL_CONNECTING, sock, sock, -1, |
CHAN_TCP_WINDOW_DEFAULT, CHAN_TCP_WINDOW_DEFAULT, 0, |
CHAN_TCP_WINDOW_DEFAULT, CHAN_TCP_WINDOW_DEFAULT, 0, |
xstrdup(originator_address), 1); |
xstrdup(originator_address), 1); |
if (c == NULL) { |
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error("client_request_forwarded_tcpip: channel_new failed"); |
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close(sock); |
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} |
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xfree(originator_address); |
xfree(originator_address); |
xfree(listen_address); |
xfree(listen_address); |
return c; |
return c; |
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} else { |
} else { |
originator_port = packet_get_int(); |
originator_port = packet_get_int(); |
} |
} |
packet_done(); |
packet_check_eom(); |
/* XXX check permission */ |
/* XXX check permission */ |
debug("client_request_x11: request from %s %d", originator, |
debug("client_request_x11: request from %s %d", originator, |
originator_port); |
originator_port); |
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SSH_CHANNEL_X11_OPEN, sock, sock, -1, |
SSH_CHANNEL_X11_OPEN, sock, sock, -1, |
CHAN_TCP_WINDOW_DEFAULT, CHAN_X11_PACKET_DEFAULT, 0, |
CHAN_TCP_WINDOW_DEFAULT, CHAN_X11_PACKET_DEFAULT, 0, |
xstrdup("x11"), 1); |
xstrdup("x11"), 1); |
if (c == NULL) { |
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error("client_request_x11: channel_new failed"); |
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close(sock); |
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} |
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c->force_drain = 1; |
c->force_drain = 1; |
return c; |
return c; |
} |
} |
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SSH_CHANNEL_OPEN, sock, sock, -1, |
SSH_CHANNEL_OPEN, sock, sock, -1, |
CHAN_X11_WINDOW_DEFAULT, CHAN_TCP_WINDOW_DEFAULT, 0, |
CHAN_X11_WINDOW_DEFAULT, CHAN_TCP_WINDOW_DEFAULT, 0, |
xstrdup("authentication agent connection"), 1); |
xstrdup("authentication agent connection"), 1); |
if (c == NULL) { |
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error("client_request_agent: channel_new failed"); |
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close(sock); |
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} |
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c->force_drain = 1; |
c->force_drain = 1; |
return c; |
return c; |
} |
} |
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/* XXXX move to generic input handler */ |
/* XXXX move to generic input handler */ |
static void |
static void |
client_input_channel_open(int type, int plen, void *ctxt) |
client_input_channel_open(int type, u_int32_t seq, void *ctxt) |
{ |
{ |
Channel *c = NULL; |
Channel *c = NULL; |
char *ctype; |
char *ctype; |
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xfree(ctype); |
xfree(ctype); |
} |
} |
static void |
static void |
client_input_channel_req(int type, int plen, void *ctxt) |
client_input_channel_req(int type, u_int32_t seq, void *ctxt) |
{ |
{ |
Channel *c = NULL; |
Channel *c = NULL; |
int id, reply, success = 0; |
int id, reply, success = 0; |
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} else if (strcmp(rtype, "exit-status") == 0) { |
} else if (strcmp(rtype, "exit-status") == 0) { |
success = 1; |
success = 1; |
exit_status = packet_get_int(); |
exit_status = packet_get_int(); |
packet_done(); |
packet_check_eom(); |
} |
} |
if (reply) { |
if (reply) { |
packet_start(success ? |
packet_start(success ? |
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} |
} |
xfree(rtype); |
xfree(rtype); |
} |
} |
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static void |
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client_input_global_request(int type, u_int32_t seq, void *ctxt) |
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{ |
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char *rtype; |
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int want_reply; |
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int success = 0; |
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rtype = packet_get_string(NULL); |
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want_reply = packet_get_char(); |
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debug("client_input_global_request: rtype %s want_reply %d", rtype, want_reply); |
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if (want_reply) { |
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packet_start(success ? |
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SSH2_MSG_REQUEST_SUCCESS : SSH2_MSG_REQUEST_FAILURE); |
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packet_send(); |
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packet_write_wait(); |
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} |
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xfree(rtype); |
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} |
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static void |
static void |
client_init_dispatch_20(void) |
client_init_dispatch_20(void) |
{ |
{ |
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dispatch_set(SSH2_MSG_CHANNEL_OPEN_FAILURE, &channel_input_open_failure); |
dispatch_set(SSH2_MSG_CHANNEL_OPEN_FAILURE, &channel_input_open_failure); |
dispatch_set(SSH2_MSG_CHANNEL_REQUEST, &client_input_channel_req); |
dispatch_set(SSH2_MSG_CHANNEL_REQUEST, &client_input_channel_req); |
dispatch_set(SSH2_MSG_CHANNEL_WINDOW_ADJUST, &channel_input_window_adjust); |
dispatch_set(SSH2_MSG_CHANNEL_WINDOW_ADJUST, &channel_input_window_adjust); |
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dispatch_set(SSH2_MSG_GLOBAL_REQUEST, &client_input_global_request); |
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/* rekeying */ |
/* rekeying */ |
dispatch_set(SSH2_MSG_KEXINIT, &kex_input_kexinit); |
dispatch_set(SSH2_MSG_KEXINIT, &kex_input_kexinit); |