50 lines
1.2 KiB
C

#include <Windows.h>
#include <stdio.h>
#include "Debug.h"
#define MAX_MESSAGE_SIZE 256 * 1024
#define SSH_ROOT L"SOFTWARE\\OpenSSH"
#define SSH_AGENT_ROOT SSH_ROOT L"\\Agent"
#define SSH_KEYS_KEY L"Keys"
#define SSH_KEYS_ROOT SSH_AGENT_ROOT L"\\" SSH_KEYS_KEY
#define HEADER_SIZE 4
struct agent_connection {
OVERLAPPED ol;
HANDLE pipe_handle;
HANDLE client_impersonation_token;
HANDLE client_process_handle;
struct {
DWORD num_bytes;
DWORD transferred;
char buf[MAX_MESSAGE_SIZE];
DWORD buf_size;
} io_buf;
enum {
LISTENING = 0,
READING_HEADER,
READING,
WRITING,
DONE
} state;
enum { /* retain this order */
UNKNOWN = 0,
NONADMIN_USER, /* client is running as a nonadmin user */
ADMIN_USER, /* client is running as admin */
SSHD_SERVICE, /* client is sshd service */
SYSTEM, /* client is running as System */
SERVICE, /* client is running as LS or NS */
} client_type;
};
void agent_connection_on_io(struct agent_connection*, DWORD, OVERLAPPED*);
void agent_connection_on_error(struct agent_connection* , DWORD);
void agent_connection_disconnect(struct agent_connection*);
void agent_start(BOOL);
void agent_process_connection(HANDLE);
void agent_shutdown();
void agent_cleanup_connection(struct agent_connection*);