v / thirdparty / vschannel
Raw file | 51 loc (32 sloc) | 1.4 KB | Latest commit hash 9e09b709e 


1#include <stdint.h>


2#include <stdio.h>


3#include <stdlib.h>


4#include <windows.h>


5#include <winsock.h>


6#include <wincrypt.h>


7#include <wintrust.h>


8#include <schannel.h>


9


10#define SECURITY_WIN32


11#include <security.h>


12#include <sspi.h>


13


14#define vsc_init_resp_buff_size 44000


15


16#define IO_BUFFER_SIZE  0x10000


17


18#define TLS_MAX_BUFSIZ      32768


19


20// Define here to be sure


21#define SP_PROT_TLS1_2_CLIENT 0x00000800


22


23#if !defined(VSCHANNEL_REALLOC)


24#define VSCHANNEL_REALLOC realloc


25#endif


26


27typedef struct TlsContext TlsContext;


28


29TlsContext new_tls_context();


30


31static void vschannel_init(TlsContext *tls_ctx);


32


33static void vschannel_cleanup(TlsContext *tls_ctx);


34


35static INT request(TlsContext *tls_ctx, INT iport, LPWSTR host, CHAR *req, DWORD req_len, CHAR **out);


36


37static SECURITY_STATUS https_make_request(TlsContext *tls_ctx, CHAR *req, DWORD req_len, CHAR **out, int *length);


38


39static INT connect_to_server(TlsContext *tls_ctx, LPWSTR host, INT port_number);


40


41static LONG disconnect_from_server(TlsContext *tls_ctx);


42


43static SECURITY_STATUS perform_client_handshake(TlsContext *tls_ctx, LPWSTR host, SecBuffer *pExtraData);


44


45static SECURITY_STATUS client_handshake_loop(TlsContext *tls_ctx, BOOL fDoInitialRead, SecBuffer *pExtraData);


46


47static DWORD verify_server_certificate(PCCERT_CONTEXT  pServerCert, LPWSTR host, DWORD dwCertFlags);


48


49static SECURITY_STATUS create_credentials(TlsContext *tls_ctx);


50


51static void get_new_client_credentials(TlsContext *tls_ctx);