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[libssh] keepalive implementation

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This commit is contained in:
Nicolas Viennot 2013-06-16 23:42:02 -04:00
parent a83c66d909
commit 2ad6723cc2
2 changed files with 37 additions and 0 deletions
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2
libssh/include/libssh/server.h
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@ -379,6 +379,8 @@ LIBSSH_API int ssh_channel_write_stderr(ssh_channel channel,
const void *data,
uint32_t len);
LIBSSH_API int ssh_send_keepalive(ssh_session session);
/* deprecated functions */
SSH_DEPRECATED LIBSSH_API int ssh_accept(ssh_session session);
SSH_DEPRECATED LIBSSH_API int channel_write_stderr(ssh_channel channel,

35
libssh/src/server.c
View File

@ -1200,6 +1200,41 @@ int ssh_execute_message_callbacks(ssh_session session){
return SSH_OK;
}
int ssh_send_keepalive(ssh_session session)
{
/* TODO check the reply and all that */
struct ssh_string_struct *req;
int reply = 1;
int rc = SSH_ERROR;
enter_function();
req = ssh_string_from_char("keepalive@openssh.com");
if (req == NULL) {
ssh_set_error_oom(session);
goto out;
}
if (buffer_add_u8(session->out_buffer, SSH2_MSG_GLOBAL_REQUEST) < 0 ||
buffer_add_ssh_string(session->out_buffer, req) < 0 ||
buffer_add_u8(session->out_buffer, reply == 0 ? 0 : 1) < 0) {
ssh_set_error_oom(session);
goto out;
}
if (packet_send(session) == SSH_ERROR)
goto out;
ssh_handle_packets(session, 0);
ssh_log(session, SSH_LOG_PACKET, "Sent a keepalive");
rc = SSH_OK;
out:
ssh_string_free(req);
leave_function();
return rc;
}
/** @} */
/* vim: set ts=4 sw=4 et cindent: */