In the latest pre-release you can do something like (I removed
most of unrelated code)

typedef struct sslctxparm_st {
   unsigned char * p12file ;
   const char * pst ;
   PKCS12 * p12 ;
   EVP_PKEY * pkey ;
   X509 * usercert ;
   STACK_OF(X509) * ca ;
   CURL * curl;
   BIO * b;

} sslctxparm;

...

static int ssl_app_verify_callback(X509_STORE_CTX *ctx, void *arg)
        {
        sslctxparm * p = (sslctxparm *) arg;
        int ok;
        fprintf(stderr,"in verify call back n");

        if ((ok= X509_verify_cert(ctx)) && ctx->cert)
                 X509_print_ex(p->b,ctx->cert,0,0);
        return(ok);
}

..

static CURLcode sslctxfun(CURL * curl, void * sslctx, void * parm) {
        sslctxparm * p = (sslctxparm *) parm;
        SSL_CTX * ctx = (SSL_CTX *) sslctx ;
        fprintf(stderr,"in sslctxfun\n");

...
        SSL_CTX_set_cert_verify_callback(ctx, ssl_app_verify_callback, parm);
...
        return CURLE_OK ;
}

...
  
    res = curl_easy_setopt(easyhandle, CURLOPT_SSL_CTX_FUNCTION, sslctxfun);
    curl_easy_setopt(easyhandle, CURLOPT_SSL_CTX_DATA, &p);

...

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Received on 2003-07-29