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Add error checking to ssh_message_channel_request_open_reply_default().

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git-svn-id: svn+ssh://svn.berlios.de/svnroot/repos/libssh/trunk@447 7dcaeef0-15fb-0310-b436-a5af3365683c
This commit is contained in:
Andreas Schneider
2009-04-09 15:29:13 +00:00
parent 926375e8aa
commit 3ad76af469
1 changed files with 27 additions and 8 deletions
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35
libssh/messages.c
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@@ -429,14 +429,33 @@ error:
return NULL; return NULL;
} }
static int ssh_message_channel_request_open_reply_default(SSH_MESSAGE *msg){ static int ssh_message_channel_request_open_reply_default(SSH_MESSAGE *msg) {
ssh_log(msg->session, SSH_LOG_FUNCTIONS, "Refusing a channel"); ssh_log(msg->session, SSH_LOG_FUNCTIONS, "Refusing a channel");
buffer_add_u8(msg->session->out_buffer,SSH2_MSG_CHANNEL_OPEN_FAILURE);
buffer_add_u32(msg->session->out_buffer,htonl(msg->channel_request_open.sender)); if (buffer_add_u8(msg->session->out_buffer
buffer_add_u32(msg->session->out_buffer,htonl(SSH2_OPEN_ADMINISTRATIVELY_PROHIBITED)); , SSH2_MSG_CHANNEL_OPEN_FAILURE) < 0) {
buffer_add_u32(msg->session->out_buffer,0); // reason is an empty string goto error;
buffer_add_u32(msg->session->out_buffer,0); // language too }
return packet_send(msg->session); if (buffer_add_u32(msg->session->out_buffer,
htonl(msg->channel_request_open.sender)) < 0) {
goto error;
}
if (buffer_add_u32(msg->session->out_buffer,
htonl(SSH2_OPEN_ADMINISTRATIVELY_PROHIBITED)) < 0) {
goto error;
}
/* reason is an empty string */
if (buffer_add_u32(msg->session->out_buffer, 0) < 0) {
goto error;
}
/* language too */
if (buffer_add_u32(msg->session->out_buffer, 0) < 0) {
goto error;
}
return packet_send(msg->session);
error:
return SSH_ERROR;
} }
static SSH_MESSAGE *handle_channel_request(SSH_SESSION *session){ static SSH_MESSAGE *handle_channel_request(SSH_SESSION *session){