v2 / thirdparty / vschannel / vschannel.h
51 lines · 31 sloc · 1.54 KB · 6ea10df6ec054049f4ad8e3ab77b3eab33290f09
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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


23typedef void* (*vschannel_allocator)(void*, INT64);


24


25typedef struct TlsContext TlsContext;


26


27TlsContext new_tls_context();


28


29static void vschannel_init(TlsContext *tls_ctx, BOOL validate_server_certificate);


30


31static void vschannel_cleanup(TlsContext *tls_ctx);


32


33static INT vschannel_last_error(TlsContext *tls_ctx);


34


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


36


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


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);


52