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源代码

/*************************************************************************** *                                  _   _ ____  _ *  Project                     ___| | | |  _ \| | *                             / __| | | | |_) | | *                            | (__| |_| |  _ <| |___ *                             \___|\___/|_| \_\_____| * * Copyright (C) 1998 - 2019, Daniel Stenberg, 
   
    , et al. * * This software is licensed as described in the file COPYING, which * you should have received as part of this distribution. The terms * are also available at https://curl.haxx.se/docs/copyright.html. * * You may opt to use, copy, modify, merge, publish, distribute and/or sell * copies of the Software, and permit persons to whom the Software is * furnished to do so, under the terms of the COPYING file. * * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY * KIND, either express or implied. * ***************************************************************************//* 
    
      * Uses the CURLINFO_TLS_SESSION data. * 
     *//* Note that this example currently requires curl to be linked against   GnuTLS (and this program must also be linked against -lgnutls). */#include 
    
     #include 
     
      #include 
      
       static CURL *curl;static size_t wrfu(void *ptr, size_t size, size_t nmemb, void *stream){  const struct curl_tlssessioninfo *info;  unsigned int cert_list_size;  const gnutls_datum_t *chainp;  CURLcode res;  (void)stream;  (void)ptr;  res = curl_easy_getinfo(curl, CURLINFO_TLS_SESSION, &info);  if(!res) {    switch(info->backend) {    case CURLSSLBACKEND_GNUTLS:      /* info->internals is now the gnutls_session_t */      chainp = gnutls_certificate_get_peers(info->internals, &cert_list_size);      if((chainp) && (cert_list_size)) {        unsigned int i;        for(i = 0; i < cert_list_size; i++) {          gnutls_x509_crt_t cert;          gnutls_datum_t dn;                    if(GNUTLS_E_SUCCESS == gnutls_x509_crt_init(&cert)) {            if(GNUTLS_E_SUCCESS ==               gnutls_x509_crt_import(cert, &chainp[i], GNUTLS_X509_FMT_DER)) {              if(GNUTLS_E_SUCCESS ==                 gnutls_x509_crt_print(cert, GNUTLS_CRT_PRINT_FULL, &dn)) {                fprintf(stderr, "Certificate #%u: %.*s", i, dn.size, dn.data);                gnutls_free(dn.data);              }            }            gnutls_x509_crt_deinit(cert);          }        }      }      break;    case CURLSSLBACKEND_NONE:    default:      break;    }  }  return size * nmemb;}int main(void){  curl_global_init(CURL_GLOBAL_DEFAULT);  curl = curl_easy_init();  if(curl) {    curl_easy_setopt(curl, CURLOPT_URL, "http://10.170.6.66");    curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, wrfu);    curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L);    curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0L);    curl_easy_setopt(curl, CURLOPT_VERBOSE, 0L);    (void) curl_easy_perform(curl);    curl_easy_cleanup(curl);  }  curl_global_cleanup();  return 0;}
      
     
    
   

编译

#!/bin/bash# rongtaogcc $* `curl-config --libs --cflags` `pkg-config --libs --cflags openssl gtk+-2.0 gthread-2.0 libevent` \		-I /usr/include/libxml2/ -lxml2 -leventviews -levent_pthreads /usr/local/lib/libuv.a -ldl -lgnutls

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