Commit 6cabd785 authored by Andrew Kurushin's avatar Andrew Kurushin Committed by Daniel Stenberg
Browse files

schannel: add CURLOPT_CERTINFO support 

Closes #822
parent c444ace5

CMakeLists.txt

+1 −0
Original line number Diff line number Diff line
@@ -578,6 +578,7 @@ if(NOT UNIX) 
      if(HAVE_SCHANNEL_H)

        set(USE_SCHANNEL ON)

        set(SSL_ENABLED ON)

        check_library_exists_concat("crypt32" CertFreeCertificateContext HAVE_LIBCRYPT32)

      endif()

    endif()

  endif()

docs/libcurl/opts/CURLINFO_CERTINFO.3

+3 −3
Original line number Diff line number Diff line
@@ -5,7 +5,7 @@ 
.\" *                            | (__| |_| |  _ <| |___

.\" *                             \___|\___/|_| \_\_____|

.\" *

.\" * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.

.\" * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.

.\" *

.\" * This software is licensed as described in the file COPYING, which

.\" * you should have received as part of this distribution. The terms
@@ -41,8 +41,8 @@ All TLS-based 
.SH EXAMPLE

TODO

.SH AVAILABILITY

This option is only working in libcurl built with OpenSSL, NSS or GSKit

support.

This option is only working in libcurl built with OpenSSL, NSS, schannel or

GSKit support. schannel support added in 7.50.0



Added in 7.19.1

.SH RETURN VALUE

lib/vtls/schannel.c

+27 −1
Original line number Diff line number Diff line
@@ -56,6 +56,7 @@ 
#include "inet_pton.h" /* for IP addr SNI check */

#include "curl_multibyte.h"

#include "warnless.h"

#include "x509asn1.h"

#include "curl_printf.h"

#include "curl_memory.h"

/* The last #include file should be: */
@@ -600,8 +601,9 @@ schannel_connect_step3(struct connectdata *conn, int sockindex) 
  struct SessionHandle *data = conn->data;

  struct ssl_connect_data *connssl = &conn->ssl[sockindex];

  struct curl_schannel_cred *old_cred = NULL;

#ifdef HAS_ALPN

  SECURITY_STATUS sspi_status = SEC_E_OK;

  CERT_CONTEXT *ccert_context = NULL;

#ifdef HAS_ALPN

  SecPkgContext_ApplicationProtocol alpn_result;

#endif

  bool incache;
@@ -694,6 +696,30 @@ schannel_connect_step3(struct connectdata *conn, int sockindex) 
    }

  }



  if(data->set.ssl.certinfo) {

    sspi_status = s_pSecFn->QueryContextAttributes(&connssl->ctxt->ctxt_handle,

      SECPKG_ATTR_REMOTE_CERT_CONTEXT, &ccert_context);



    if((sspi_status != SEC_E_OK) || (ccert_context == NULL)) {

      failf(data, "schannel: failed to retrieve remote cert context");

      return CURLE_SSL_CONNECT_ERROR;

    }



    result = Curl_ssl_init_certinfo(data, 1);

    if(!result) {

      if(((ccert_context->dwCertEncodingType & X509_ASN_ENCODING) != 0) &&

         (ccert_context->cbCertEncoded > 0)) {



        const char *beg = (const char *) ccert_context->pbCertEncoded;

        const char *end = beg + ccert_context->cbCertEncoded;

        result = Curl_extract_certinfo(conn, 0, beg, end);

      }

    }

    CertFreeCertificateContext(ccert_context);

    if(result)

      return result;

  }



  connssl->connecting_state = ssl_connect_done;



  return CURLE_OK;

lib/vtls/schannel.h

+3 −0
Original line number Diff line number Diff line
@@ -97,6 +97,9 @@ int Curl_schannel_random(unsigned char *entropy, size_t length); 
/* Set the API backend definition to Schannel */

#define CURL_SSL_BACKEND CURLSSLBACKEND_SCHANNEL



/* this backend supports CURLOPT_CERTINFO */

#define have_curlssl_certinfo 1



/* API setup for Schannel */

#define curlssl_init Curl_schannel_init

#define curlssl_cleanup Curl_schannel_cleanup

lib/x509asn1.c

+2 −2
Original line number Diff line number Diff line
@@ -23,7 +23,7 @@ 
#include "curl_setup.h"



#if defined(USE_GSKIT) || defined(USE_NSS) || defined(USE_GNUTLS) || \

    defined(USE_CYASSL)

    defined(USE_CYASSL) || defined(USE_SCHANNEL)



#include <curl/curl.h>

#include "urldata.h"
@@ -1025,7 +1025,7 @@ CURLcode Curl_extract_certinfo(struct connectdata * conn, 
  return CURLE_OK;

}



#endif /* USE_GSKIT or USE_NSS or USE_GNUTLS or USE_CYASSL */

#endif /* USE_GSKIT or USE_NSS or USE_GNUTLS or USE_CYASSL or USE_SCHANNEL */



#if defined(USE_GSKIT)