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https://git.libssh.org/projects/libssh.git
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messages: Reformat the surrounding code
Signed-off-by: Jakub Jelen <jjelen@redhat.com> Reviewed-by: Sahana Prasad <sahana@redhat.com> Reviewed-by: Eshan Kelkar <eshankelkar@galorithm.com>
This commit is contained in:
Jakub Jelen
committed by
Sahana Prasad
Sahana Prasad
parent
f6e2d18da1
commit
716950fc9e
310
src/messages.c
310
src/messages.c
@@ -1391,120 +1391,126 @@ ssh_channel ssh_message_channel_request_open_reply_accept(ssh_message msg) {
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*
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* @returns SSH_OK on success, SSH_ERROR if an error occurred.
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*/
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int ssh_message_handle_channel_request(ssh_session session, ssh_channel channel, ssh_buffer packet,
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const char *request, uint8_t want_reply) {
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ssh_message msg = NULL;
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int rc;
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int
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ssh_message_handle_channel_request(ssh_session session,
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ssh_channel channel,
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ssh_buffer packet,
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const char *request,
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uint8_t want_reply)
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{
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ssh_message msg = NULL;
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int rc;
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msg = ssh_message_new(session);
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if (msg == NULL) {
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ssh_set_error_oom(session);
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goto error;
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}
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SSH_LOG(SSH_LOG_PACKET,
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"Received a %s channel_request for channel (%" PRIu32 ":%" PRIu32
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") (want_reply=%hhu)",
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request,
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channel->local_channel,
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channel->remote_channel,
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want_reply);
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msg->type = SSH_REQUEST_CHANNEL;
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msg->channel_request.channel = channel;
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msg->channel_request.want_reply = want_reply;
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if (strcmp(request, "pty-req") == 0) {
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rc = ssh_buffer_unpack(packet, "sddddS",
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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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&msg->channel_request.modes
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);
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msg->channel_request.type = SSH_CHANNEL_REQUEST_PTY;
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if (rc != SSH_OK) {
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goto error;
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}
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goto end;
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}
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if (strcmp(request, "window-change") == 0) {
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msg->channel_request.type = SSH_CHANNEL_REQUEST_WINDOW_CHANGE;
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rc = ssh_buffer_unpack(packet, "dddd",
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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 != SSH_OK){
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msg = ssh_message_new(session);
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if (msg == NULL) {
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ssh_set_error_oom(session);
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goto error;
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}
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goto end;
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}
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if (strcmp(request, "subsystem") == 0) {
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rc = ssh_buffer_unpack(packet, "s",
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&msg->channel_request.subsystem);
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msg->channel_request.type = SSH_CHANNEL_REQUEST_SUBSYSTEM;
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if (rc != SSH_OK){
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goto error;
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}
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goto end;
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}
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SSH_LOG(SSH_LOG_PACKET,
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"Received a %s channel_request for channel (%" PRIu32 ":%" PRIu32
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") (want_reply=%hhu)",
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request,
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channel->local_channel,
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channel->remote_channel,
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want_reply);
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if (strcmp(request, "shell") == 0) {
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msg->channel_request.type = SSH_CHANNEL_REQUEST_SHELL;
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goto end;
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}
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msg->type = SSH_REQUEST_CHANNEL;
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msg->channel_request.channel = channel;
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msg->channel_request.want_reply = want_reply;
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if (strcmp(request, "exec") == 0) {
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rc = ssh_buffer_unpack(packet, "s",
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&msg->channel_request.command);
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msg->channel_request.type = SSH_CHANNEL_REQUEST_EXEC;
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if (rc != SSH_OK) {
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goto error;
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}
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goto end;
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}
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if (strcmp(request, "pty-req") == 0) {
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rc = ssh_buffer_unpack(packet,
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"sddddS",
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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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&msg->channel_request.modes);
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if (strcmp(request, "env") == 0) {
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rc = ssh_buffer_unpack(packet, "ss",
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&msg->channel_request.var_name,
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&msg->channel_request.var_value);
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msg->channel_request.type = SSH_CHANNEL_REQUEST_ENV;
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if (rc != SSH_OK) {
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goto error;
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}
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goto end;
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}
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msg->channel_request.type = SSH_CHANNEL_REQUEST_PTY;
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if (strcmp(request, "x11-req") == 0) {
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rc = ssh_buffer_unpack(packet, "bssd",
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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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msg->channel_request.type = SSH_CHANNEL_REQUEST_X11;
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if (rc != SSH_OK) {
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goto error;
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if (rc != SSH_OK) {
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goto error;
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}
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goto end;
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}
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goto end;
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}
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if (strcmp(request, "window-change") == 0) {
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msg->channel_request.type = SSH_CHANNEL_REQUEST_WINDOW_CHANGE;
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rc = ssh_buffer_unpack(packet,
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"dddd",
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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 != SSH_OK) {
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goto error;
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}
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goto end;
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}
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msg->channel_request.type = SSH_CHANNEL_REQUEST_UNKNOWN;
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if (strcmp(request, "subsystem") == 0) {
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rc = ssh_buffer_unpack(packet, "s", &msg->channel_request.subsystem);
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msg->channel_request.type = SSH_CHANNEL_REQUEST_SUBSYSTEM;
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if (rc != SSH_OK) {
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goto error;
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}
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goto end;
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}
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if (strcmp(request, "shell") == 0) {
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msg->channel_request.type = SSH_CHANNEL_REQUEST_SHELL;
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goto end;
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}
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if (strcmp(request, "exec") == 0) {
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rc = ssh_buffer_unpack(packet, "s", &msg->channel_request.command);
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msg->channel_request.type = SSH_CHANNEL_REQUEST_EXEC;
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if (rc != SSH_OK) {
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goto error;
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}
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goto end;
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}
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if (strcmp(request, "env") == 0) {
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rc = ssh_buffer_unpack(packet,
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"ss",
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&msg->channel_request.var_name,
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&msg->channel_request.var_value);
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msg->channel_request.type = SSH_CHANNEL_REQUEST_ENV;
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if (rc != SSH_OK) {
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goto error;
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}
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goto end;
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}
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if (strcmp(request, "x11-req") == 0) {
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rc = ssh_buffer_unpack(packet,
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"bssd",
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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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msg->channel_request.type = SSH_CHANNEL_REQUEST_X11;
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if (rc != SSH_OK) {
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goto error;
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}
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goto end;
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}
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msg->channel_request.type = SSH_CHANNEL_REQUEST_UNKNOWN;
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end:
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ssh_message_queue(session,msg);
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ssh_message_queue(session, msg);
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return SSH_OK;
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return SSH_OK;
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error:
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SSH_MESSAGE_FREE(msg);
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SSH_MESSAGE_FREE(msg);
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return SSH_ERROR;
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return SSH_ERROR;
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}
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/** @internal
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@@ -1515,53 +1521,55 @@ error:
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*
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* @returns SSH_OK on success, SSH_ERROR if an error occurred.
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*/
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int ssh_message_channel_request_reply_success(ssh_message msg) {
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uint32_t channel;
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int rc;
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int ssh_message_channel_request_reply_success(ssh_message msg)
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{
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uint32_t channel;
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int rc;
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if (msg == NULL) {
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return SSH_ERROR;
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}
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if (msg->channel_request.want_reply) {
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channel = msg->channel_request.channel->remote_channel;
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SSH_LOG(SSH_LOG_PACKET,
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"Sending a channel_request success to channel %" PRIu32, channel);
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rc = ssh_buffer_pack(msg->session->out_buffer,
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"bd",
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SSH2_MSG_CHANNEL_SUCCESS,
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channel);
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if (rc != SSH_OK){
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ssh_set_error_oom(msg->session);
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return SSH_ERROR;
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if (msg == NULL) {
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return SSH_ERROR;
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}
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return ssh_packet_send(msg->session);
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}
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if (msg->channel_request.want_reply) {
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channel = msg->channel_request.channel->remote_channel;
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SSH_LOG(SSH_LOG_PACKET,
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"The client doesn't want to know the request succeeded");
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SSH_LOG(SSH_LOG_PACKET,
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"Sending a channel_request success to channel %" PRIu32,
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channel);
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return SSH_OK;
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rc = ssh_buffer_pack(msg->session->out_buffer,
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"bd",
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SSH2_MSG_CHANNEL_SUCCESS,
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channel);
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if (rc != SSH_OK) {
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ssh_set_error_oom(msg->session);
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return SSH_ERROR;
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}
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return ssh_packet_send(msg->session);
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}
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SSH_LOG(SSH_LOG_PACKET,
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"The client doesn't want to know the request succeeded");
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return SSH_OK;
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}
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#ifdef WITH_SERVER
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SSH_PACKET_CALLBACK(ssh_packet_global_request){
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SSH_PACKET_CALLBACK(ssh_packet_global_request)
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{
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ssh_message msg = NULL;
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char *request=NULL;
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char *request = NULL;
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uint8_t want_reply;
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int rc = SSH_PACKET_USED;
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int r;
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(void)user;
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(void)type;
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(void)packet;
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SSH_LOG(SSH_LOG_DEBUG,"Received SSH_MSG_GLOBAL_REQUEST packet");
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r = ssh_buffer_unpack(packet, "sb",
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&request,
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&want_reply);
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r = ssh_buffer_unpack(packet, "sb", &request, &want_reply);
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if (r != SSH_OK){
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goto error;
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}
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@@ -1580,10 +1588,10 @@ SSH_PACKET_CALLBACK(ssh_packet_global_request){
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goto reply_with_failure;
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}
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r = ssh_buffer_unpack(packet, "sd",
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&msg->global_request.bind_address,
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&msg->global_request.bind_port
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);
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r = ssh_buffer_unpack(packet,
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"sd",
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&msg->global_request.bind_address,
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&msg->global_request.bind_port);
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if (r != SSH_OK){
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goto reply_with_failure;
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}
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@@ -1597,14 +1605,18 @@ SSH_PACKET_CALLBACK(ssh_packet_global_request){
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msg->global_request.bind_address,
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msg->global_request.bind_port);
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if(ssh_callbacks_exists(session->common.callbacks, global_request_function)) {
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if (ssh_callbacks_exists(session->common.callbacks,
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global_request_function)) {
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SSH_LOG(SSH_LOG_DEBUG,
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"Calling callback for SSH_MSG_GLOBAL_REQUEST %s %hhu %s:%d",
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request,
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want_reply,
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msg->global_request.bind_address,
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msg->global_request.bind_port);
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session->common.callbacks->global_request_function(session, msg, session->common.callbacks->userdata);
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session->common.callbacks->global_request_function(
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session,
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msg,
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session->common.callbacks->userdata);
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} else {
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SAFE_FREE(request);
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ssh_message_queue(session, msg);
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@@ -1617,9 +1629,10 @@ SSH_PACKET_CALLBACK(ssh_packet_global_request){
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goto reply_with_failure;
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}
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r = ssh_buffer_unpack(packet, "sd",
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&msg->global_request.bind_address,
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&msg->global_request.bind_port);
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r = ssh_buffer_unpack(packet,
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"sd",
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&msg->global_request.bind_address,
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&msg->global_request.bind_port);
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if (r != SSH_OK){
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goto reply_with_failure;
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}
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@@ -1633,8 +1646,12 @@ SSH_PACKET_CALLBACK(ssh_packet_global_request){
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msg->global_request.bind_address,
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msg->global_request.bind_port);
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if(ssh_callbacks_exists(session->common.callbacks, global_request_function)) {
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session->common.callbacks->global_request_function(session, msg, session->common.callbacks->userdata);
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if (ssh_callbacks_exists(session->common.callbacks,
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global_request_function)) {
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session->common.callbacks->global_request_function(
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session,
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msg,
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session->common.callbacks->userdata);
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} else {
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SAFE_FREE(request);
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ssh_message_queue(session, msg);
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@@ -1646,8 +1663,12 @@ SSH_PACKET_CALLBACK(ssh_packet_global_request){
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SSH_LOG(SSH_LOG_DEBUG,
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"Received keepalive@openssh.com %hhu",
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want_reply);
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if(ssh_callbacks_exists(session->common.callbacks, global_request_function)) {
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session->common.callbacks->global_request_function(session, msg, session->common.callbacks->userdata);
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if (ssh_callbacks_exists(session->common.callbacks,
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global_request_function)) {
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session->common.callbacks->global_request_function(
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session,
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msg,
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session->common.callbacks->userdata);
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} else {
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ssh_message_global_request_reply_success(msg, 0);
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}
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@@ -1666,7 +1687,7 @@ SSH_PACKET_CALLBACK(ssh_packet_global_request){
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session->flags |= SSH_SESSION_FLAG_NO_MORE_SESSIONS;
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} else {
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SSH_LOG(SSH_LOG_DEBUG,
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"UNKNOWN SSH_MSG_GLOBAL_REQUEST %s,xwant_reply = %hhu",
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"UNKNOWN SSH_MSG_GLOBAL_REQUEST %s, want_reply = %hhu",
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request,
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want_reply);
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goto reply_with_failure;
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@@ -1679,8 +1700,7 @@ SSH_PACKET_CALLBACK(ssh_packet_global_request){
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reply_with_failure:
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/* Only report the failure if requested */
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if (want_reply) {
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r = ssh_buffer_add_u8(session->out_buffer,
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SSH2_MSG_REQUEST_FAILURE);
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r = ssh_buffer_add_u8(session->out_buffer, SSH2_MSG_REQUEST_FAILURE);
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if (r < 0) {
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ssh_set_error_oom(session);
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goto error;
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