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48 lines
1.3 KiB
C
48 lines
1.3 KiB
C
#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <windows.h>
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#include <winsock.h>
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#include <wincrypt.h>
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#include <wintrust.h>
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#include <schannel.h>
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#define SECURITY_WIN32
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#include <security.h>
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#include <sspi.h>
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#define vsc_init_resp_buff_size 44000
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#define IO_BUFFER_SIZE 0x10000
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#define TLS_MAX_BUFSIZ 32768
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// Define here to be sure
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#define SP_PROT_TLS1_2_CLIENT 0x00000800
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typedef struct TlsContext TlsContext;
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TlsContext new_tls_context();
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static void vschannel_init(TlsContext *tls_ctx);
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static void vschannel_cleanup(TlsContext *tls_ctx);
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static INT request(TlsContext *tls_ctx, INT iport, LPWSTR host, CHAR *req, CHAR **out);
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static SECURITY_STATUS https_make_request(TlsContext *tls_ctx, CHAR *req, CHAR **out, int *length);
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static INT connect_to_server(TlsContext *tls_ctx, LPWSTR host, INT port_number);
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static LONG disconnect_from_server(TlsContext *tls_ctx);
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static SECURITY_STATUS perform_client_handshake(TlsContext *tls_ctx, LPWSTR host, SecBuffer *pExtraData);
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static SECURITY_STATUS client_handshake_loop(TlsContext *tls_ctx, BOOL fDoInitialRead, SecBuffer *pExtraData);
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static DWORD verify_server_certificate(PCCERT_CONTEXT pServerCert, LPWSTR host, DWORD dwCertFlags);
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static SECURITY_STATUS create_credentials(TlsContext *tls_ctx);
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static void get_new_client_credentials(TlsContext *tls_ctx);
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