mirror of
https://github.com/moparisthebest/curl
synced 2024-12-22 08:08:50 -05:00
257 lines
6.4 KiB
C
257 lines
6.4 KiB
C
#include "test.h"
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#ifdef USE_SSLEAY
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#include <sys/time.h>
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#include <sys/types.h>
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#include <openssl/opensslv.h>
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#include <openssl/x509v3.h>
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#include <openssl/x509_vfy.h>
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#include <openssl/crypto.h>
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#include <openssl/lhash.h>
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#include <openssl/objects.h>
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#include <openssl/err.h>
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#include <openssl/evp.h>
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#include <openssl/x509.h>
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#include <openssl/pkcs12.h>
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#include <openssl/bio.h>
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#include <openssl/ssl.h>
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typedef struct sslctxparm_st {
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CURL* curl;
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int accesstype ;
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unsigned char * accessinfoURL ;
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} sslctxparm;
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static unsigned char *i2s_ASN1_IA5STRING( ASN1_IA5STRING *ia5)
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{
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unsigned char *tmp;
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if(!ia5 || !ia5->length) return NULL;
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tmp = OPENSSL_malloc(ia5->length + 1);
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memcpy(tmp, ia5->data, ia5->length);
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tmp[ia5->length] = 0;
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return tmp;
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}
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/* A conveniance routine to get an access URI. */
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static unsigned char *my_get_ext(X509 * cert, const int type,
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int extensiontype)
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{
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int i;
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STACK_OF(ACCESS_DESCRIPTION) * accessinfo ;
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accessinfo = X509_get_ext_d2i(cert, extensiontype, NULL, NULL) ;
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if (!sk_ACCESS_DESCRIPTION_num(accessinfo))
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return NULL;
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for (i = 0; i < sk_ACCESS_DESCRIPTION_num(accessinfo); i++) {
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ACCESS_DESCRIPTION * ad = sk_ACCESS_DESCRIPTION_value(accessinfo, i);
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if (OBJ_obj2nid(ad->method) == type) {
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if (ad->location->type == GEN_URI) {
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return i2s_ASN1_IA5STRING(ad->location->d.ia5);
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}
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return NULL;
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}
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}
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return NULL;
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}
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void * globalparm = NULL;
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static int ssl_app_verify_callback(X509_STORE_CTX *ctx, void *arg)
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{
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sslctxparm * p = (sslctxparm *) arg;
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int ok, err;
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fprintf(stderr,"ssl_app_verify_callback sslctxparm=%p ctx=%p\n",
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(void *)p, (void*)ctx);
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#if OPENSSL_VERSION_NUMBER<0x00907000L
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/* not necessary in openssl 0.9.7 or later */
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fprintf(stderr,"This version %s of openssl does not support a parm (%p)"
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", getting a global static %p \n",
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OPENSSL_VERSION_TEXT, (void *)p, (void *)globalparm);
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p = globalparm;
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#endif
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/* The following error should not occur. We test this to avoid segfault. */
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if (!p || !ctx) {
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fprintf(stderr,"Internal error in ssl_app_verify_callback "
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"sslctxparm=%p ctx=%p\n",(void *)p,(void*)ctx);
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return 0;
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}
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ok= X509_verify_cert(ctx);
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err=X509_STORE_CTX_get_error(ctx);
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/* The following seems to be a problem in 0.9.7/8 openssl versions */
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#if 1
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if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT ||
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err == X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY) {
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fprintf(stderr,"X509_verify_cert: repairing self signed\n") ;
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X509_STORE_CTX_set_error(ctx,X509_V_OK);
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ok = 1;
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}
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#endif
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if (ok && ctx->cert) {
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unsigned char * accessinfoURL ;
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accessinfoURL = my_get_ext(ctx->cert,p->accesstype ,NID_info_access);
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if (accessinfoURL) {
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if (strcmp((char *)p->accessinfoURL, (char *)accessinfoURL)) {
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fprintf(stderr, "Setting URL <%s>, was <%s>\n",
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(char *)accessinfoURL, (char *)p->accessinfoURL);
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OPENSSL_free(p->accessinfoURL);
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p->accessinfoURL = accessinfoURL;
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curl_easy_setopt(p->curl, CURLOPT_URL,p->accessinfoURL);
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}
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else
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OPENSSL_free(accessinfoURL);
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}
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}
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return(ok);
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}
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static CURLcode sslctxfun(CURL * curl, void * sslctx, void * parm)
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{
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sslctxparm * p = (sslctxparm *) parm;
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SSL_CTX * ctx = (SSL_CTX *) sslctx ;
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fprintf(stderr,"sslctxfun start curl=%p ctx=%p parm=%p\n",
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(void *)curl,(void *)ctx,(void *)p);
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SSL_CTX_set_quiet_shutdown(ctx,1);
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SSL_CTX_set_cipher_list(ctx,"RC4-MD5");
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SSL_CTX_set_mode(ctx, SSL_MODE_AUTO_RETRY);
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/* one might assume that the cert validaton would not fail when setting this,
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but it still does, see the error handling in the call back */
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SSL_CTX_set_verify_depth(ctx,0);
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SSL_CTX_set_verify(ctx,SSL_VERIFY_NONE,NULL);
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#if OPENSSL_VERSION_NUMBER<0x00907000L
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/* in newer openssl versions we can set a parameter for the call back. */
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fprintf(stderr,"This version %s of openssl does not support a parm,"
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" setting global one\n", OPENSSL_VERSION_TEXT);
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/* this is only done to support 0.9.6 version */
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globalparm = parm;
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/* in 0.9.6 the parm is not taken */
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#endif
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SSL_CTX_set_cert_verify_callback(ctx, ssl_app_verify_callback, parm);
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fprintf(stderr,"sslctxfun end\n");
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return CURLE_OK ;
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}
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int test(char *URL)
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{
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CURLM* multi;
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sslctxparm p;
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int i;
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CURLMsg *msg;
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curl_global_init(CURL_GLOBAL_ALL);
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p.curl = curl_easy_init();
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p.accessinfoURL = (unsigned char *) strdup(URL);
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p.accesstype = OBJ_obj2nid(OBJ_txt2obj("AD_DVCS",0)) ;
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curl_easy_setopt(p.curl, CURLOPT_URL, p.accessinfoURL);
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curl_easy_setopt(p.curl, CURLOPT_SSL_CTX_FUNCTION, sslctxfun) ;
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curl_easy_setopt(p.curl, CURLOPT_SSL_CTX_DATA, &p);
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curl_easy_setopt(p.curl, CURLOPT_SSL_VERIFYPEER, FALSE);
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curl_easy_setopt(p.curl, CURLOPT_SSL_VERIFYHOST, 1);
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fprintf(stderr, "Going to perform %s\n", (char *)p.accessinfoURL);
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{
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CURLMcode res;
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int running;
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char done=FALSE;
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multi = curl_multi_init();
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res = curl_multi_add_handle(multi, p.curl);
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while(!done) {
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fd_set rd, wr, exc;
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int max_fd;
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struct timeval interval;
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interval.tv_sec = 1;
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interval.tv_usec = 0;
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while (res == CURLM_CALL_MULTI_PERFORM) {
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res = curl_multi_perform(multi, &running);
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fprintf(stderr, "running=%d res=%d\n",running,res);
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if (running <= 0) {
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done = TRUE;
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break;
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}
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}
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if(done)
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break;
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if (res != CURLM_OK) {
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fprintf(stderr, "not okay???\n");
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return 80;
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}
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FD_ZERO(&rd);
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FD_ZERO(&wr);
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FD_ZERO(&exc);
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max_fd = 0;
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if (curl_multi_fdset(multi, &rd, &wr, &exc, &max_fd) != CURLM_OK) {
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fprintf(stderr, "unexpected failured of fdset.\n");
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return 89;
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}
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if (select(max_fd+1, &rd, &wr, &exc, &interval) == -1) {
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fprintf(stderr, "bad select??\n");
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return 95;
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}
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res = CURLM_CALL_MULTI_PERFORM;
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}
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msg = curl_multi_info_read(multi, &running);
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/* this should now contain a result code from the easy handle, get it */
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i = msg->data.result;
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}
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fprintf(stderr, "all done\n");
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curl_multi_remove_handle(multi, p.curl);
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curl_easy_cleanup(p.curl);
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curl_multi_cleanup(multi);
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curl_global_cleanup();
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free(p.accessinfoURL);
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return i;
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}
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#else /* USE_SSLEAY */
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int test(char *URL)
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{
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(void)URL;
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return CURLE_FAILED_INIT;
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}
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#endif /* USE_SSLEAY */
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