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server: Add a ssh_send_keepalive() function.

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Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
This commit is contained in:
Nicolas Viennot
2013-11-06 20:08:11 -05:00
committed by Andreas Schneider
parent 3d934f3ddc
commit 7b63fe2f22
2 changed files with 43 additions and 0 deletions
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41
src/server.c
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@@ -1221,6 +1221,47 @@ int ssh_execute_message_callbacks(ssh_session session){
return SSH_OK;
}
int ssh_send_keepalive(ssh_session session)
{
struct ssh_string_struct *req;
int rc;
rc = buffer_add_u8(session->out_buffer, SSH2_MSG_GLOBAL_REQUEST);
if (rc < 0) {
goto err;
}
req = ssh_string_from_char("keepalive@openssh.com");
if (req == NULL) {
goto err;
}
rc = buffer_add_ssh_string(session->out_buffer, req);
ssh_string_free(req);
if (rc < 0) {
goto err;
}
rc = buffer_add_u8(session->out_buffer, 1);
if (rc < 0) {
goto err;
}
if (packet_send(session) == SSH_ERROR) {
goto err;
}
ssh_handle_packets(session, 0);
SSH_LOG(SSH_LOG_PACKET, "Sent a keepalive");
return SSH_OK;
err:
ssh_set_error_oom(session);
buffer_reinit(session->out_buffer);
return SSH_ERROR;
}
/** @} */
/* vim: set ts=4 sw=4 et cindent: */