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https://git.libssh.org/projects/libssh.git
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callbacks: Implement list of callbacks for channels
Signed-off-by: Aris Adamantiadis <aris@0xbadc0de.be> Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
This commit is contained in:
Aris Adamantiadis
committed by
Andreas Schneider
Andreas Schneider
parent
5c67530f1e
commit
bbe437dbb1
175
src/messages.c
175
src/messages.c
@@ -166,90 +166,113 @@ static int ssh_execute_server_request(ssh_session session, ssh_message msg)
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case SSH_REQUEST_CHANNEL:
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channel = msg->channel_request.channel;
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if (msg->channel_request.type == SSH_CHANNEL_REQUEST_PTY &&
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ssh_callbacks_exists(channel->callbacks, channel_pty_request_function)) {
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rc = channel->callbacks->channel_pty_request_function(session, channel,
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msg->channel_request.TERM,
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msg->channel_request.width, msg->channel_request.height,
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msg->channel_request.pxwidth, msg->channel_request.pxheight,
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channel->callbacks->userdata);
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if (rc == 0) {
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ssh_message_channel_request_reply_success(msg);
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} else {
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ssh_message_reply_default(msg);
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if (msg->channel_request.type == SSH_CHANNEL_REQUEST_PTY){
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ssh_callbacks_iterate(channel->callbacks,
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ssh_channel_callbacks,
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channel_pty_request_function) {
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rc = ssh_callbacks_iterate_exec(session,
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channel,
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msg->channel_request.TERM,
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msg->channel_request.width,
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msg->channel_request.height,
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msg->channel_request.pxwidth,
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msg->channel_request.pxheight);
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if (rc == 0) {
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ssh_message_channel_request_reply_success(msg);
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} else {
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ssh_message_reply_default(msg);
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}
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return SSH_OK;
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}
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return SSH_OK;
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} else if (msg->channel_request.type == SSH_CHANNEL_REQUEST_SHELL &&
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ssh_callbacks_exists(channel->callbacks, channel_shell_request_function)) {
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rc = channel->callbacks->channel_shell_request_function(session,
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channel,
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channel->callbacks->userdata);
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if (rc == 0) {
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ssh_message_channel_request_reply_success(msg);
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} else {
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ssh_message_reply_default(msg);
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ssh_callbacks_iterate_end();
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} else if (msg->channel_request.type == SSH_CHANNEL_REQUEST_SHELL){
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ssh_callbacks_iterate(channel->callbacks,
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ssh_channel_callbacks,
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channel_shell_request_function) {
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rc = ssh_callbacks_iterate_exec(session, channel);
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if (rc == 0) {
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ssh_message_channel_request_reply_success(msg);
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} else {
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ssh_message_reply_default(msg);
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}
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return SSH_OK;
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}
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return SSH_OK;
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} else if (msg->channel_request.type == SSH_CHANNEL_REQUEST_X11 &&
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ssh_callbacks_exists(channel->callbacks, channel_x11_req_function)) {
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channel->callbacks->channel_x11_req_function(session,
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channel,
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msg->channel_request.x11_single_connection,
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msg->channel_request.x11_auth_protocol,
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msg->channel_request.x11_auth_cookie,
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msg->channel_request.x11_screen_number,
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channel->callbacks->userdata);
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ssh_message_channel_request_reply_success(msg);
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return SSH_OK;
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} else if (msg->channel_request.type == SSH_CHANNEL_REQUEST_WINDOW_CHANGE &&
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ssh_callbacks_exists(channel->callbacks, channel_pty_window_change_function)) {
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rc = channel->callbacks->channel_pty_window_change_function(session,
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channel,
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msg->channel_request.width, msg->channel_request.height,
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msg->channel_request.pxwidth, msg->channel_request.pxheight,
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channel->callbacks->userdata);
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} else if (msg->channel_request.type == SSH_CHANNEL_REQUEST_EXEC &&
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ssh_callbacks_exists(channel->callbacks, channel_exec_request_function)) {
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rc = channel->callbacks->channel_exec_request_function(session,
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channel,
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msg->channel_request.command,
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channel->callbacks->userdata);
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if (rc == 0) {
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ssh_callbacks_iterate_end();
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} else if (msg->channel_request.type == SSH_CHANNEL_REQUEST_X11){
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ssh_callbacks_iterate(channel->callbacks,
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ssh_channel_callbacks,
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channel_x11_req_function) {
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ssh_callbacks_iterate_exec(session,
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channel,
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msg->channel_request.x11_single_connection,
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msg->channel_request.x11_auth_protocol,
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msg->channel_request.x11_auth_cookie,
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msg->channel_request.x11_screen_number);
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ssh_message_channel_request_reply_success(msg);
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} else {
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ssh_message_reply_default(msg);
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return SSH_OK;
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}
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return SSH_OK;
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} else if (msg->channel_request.type == SSH_CHANNEL_REQUEST_ENV &&
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ssh_callbacks_exists(channel->callbacks, channel_env_request_function)) {
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rc = channel->callbacks->channel_env_request_function(session,
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channel,
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msg->channel_request.var_name, msg->channel_request.var_value,
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channel->callbacks->userdata);
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if (rc == 0) {
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ssh_message_channel_request_reply_success(msg);
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} else {
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ssh_message_reply_default(msg);
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ssh_callbacks_iterate_end();
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} else if (msg->channel_request.type == SSH_CHANNEL_REQUEST_WINDOW_CHANGE){
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ssh_callbacks_iterate(channel->callbacks,
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ssh_channel_callbacks,
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channel_pty_window_change_function) {
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rc = ssh_callbacks_iterate_exec(session,
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channel,
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msg->channel_request.width,
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msg->channel_request.height,
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msg->channel_request.pxwidth,
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msg->channel_request.pxheight);
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return SSH_OK;
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}
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ssh_callbacks_iterate_end();
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} else if (msg->channel_request.type == SSH_CHANNEL_REQUEST_EXEC){
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ssh_callbacks_iterate(channel->callbacks,
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ssh_channel_callbacks,
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channel_exec_request_function) {
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rc = ssh_callbacks_iterate_exec(session,
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channel,
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msg->channel_request.command);
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if (rc == 0) {
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ssh_message_channel_request_reply_success(msg);
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} else {
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ssh_message_reply_default(msg);
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}
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return SSH_OK;
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} else if (msg->channel_request.type == SSH_CHANNEL_REQUEST_SUBSYSTEM &&
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ssh_callbacks_exists(channel->callbacks, channel_subsystem_request_function)) {
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rc = channel->callbacks->channel_subsystem_request_function(session,
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channel,
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msg->channel_request.subsystem,
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channel->callbacks->userdata);
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if (rc == 0) {
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ssh_message_channel_request_reply_success(msg);
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} else {
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ssh_message_reply_default(msg);
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return SSH_OK;
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}
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ssh_callbacks_iterate_end();
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} else if (msg->channel_request.type == SSH_CHANNEL_REQUEST_ENV){
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ssh_callbacks_iterate(channel->callbacks,
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ssh_channel_callbacks,
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channel_env_request_function) {
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rc = ssh_callbacks_iterate_exec(session,
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channel,
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msg->channel_request.var_name,
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msg->channel_request.var_value);
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if (rc == 0) {
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ssh_message_channel_request_reply_success(msg);
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} else {
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ssh_message_reply_default(msg);
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}
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return SSH_OK;
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}
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ssh_callbacks_iterate_end();
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} else if (msg->channel_request.type == SSH_CHANNEL_REQUEST_SUBSYSTEM){
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ssh_callbacks_iterate(channel->callbacks,
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ssh_channel_callbacks,
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channel_subsystem_request_function) {
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rc = ssh_callbacks_iterate_exec(session,
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channel,
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msg->channel_request.subsystem);
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if (rc == 0) {
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ssh_message_channel_request_reply_success(msg);
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} else {
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ssh_message_reply_default(msg);
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}
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return SSH_OK;
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return SSH_OK;
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}
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ssh_callbacks_iterate_end();
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}
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break;
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case SSH_REQUEST_SERVICE:
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