+
+
+#if defined(HAVE_OPENSSL) || defined(HAVE_SSLCURL)
+static void openssl_init(void){
+ static int init = 0;
+
+ if(!init){
+ OPENSSL_config(NULL);
+ OpenSSL_add_all_algorithms();
+ ERR_load_crypto_strings();
+ init = 1;
+ }
+}
+
+#endif
+
+
+#if defined HAVE_OPENSSL
+static X509_STORE *setup_verify(opkg_conf_t *conf, char *CAfile, char *CApath){
+ X509_STORE *store = NULL;
+ X509_LOOKUP *lookup = NULL;
+
+ if(!(store = X509_STORE_new())){
+ // Something bad is happening...
+ goto end;
+ }
+
+ // adds the X509 file lookup method
+ lookup = X509_STORE_add_lookup(store,X509_LOOKUP_file());
+ if (lookup == NULL){
+ goto end;
+ }
+
+ // Autenticating against one CA file
+ if (CAfile) {
+ if(!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) {
+ // Invalid CA => Bye bye
+ opkg_message(conf, OPKG_ERROR,
+ "Error loading file %s\n", CAfile);
+ goto end;
+ }
+ } else {
+ X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
+ }
+
+ // Now look into CApath directory if supplied
+ lookup = X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
+ if (lookup == NULL){
+ goto end;
+ }
+
+ if (CApath) {
+ if(!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) {
+ opkg_message(conf, OPKG_ERROR,
+ "Error loading directory %s\n", CApath);
+ goto end;
+ }
+ } else {
+ X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
+ }
+
+ // All right !
+ ERR_clear_error();
+ return store;
+
+end:
+
+ X509_STORE_free(store);
+ return NULL;
+
+}
+
+#endif
+
+#ifdef HAVE_CURL
+void opkg_curl_cleanup(void){
+ if(curl != NULL){
+ curl_easy_cleanup (curl);
+ curl = NULL;
+ }
+}
+
+static CURL *opkg_curl_init(opkg_conf_t *conf, curl_progress_func cb, void *data){
+
+ if(curl == NULL){
+ curl = curl_easy_init();
+
+#ifdef HAVE_SSLCURL
+ openssl_init();
+
+ if (conf->ssl_engine) {
+
+ /* use crypto engine */
+ if (curl_easy_setopt(curl, CURLOPT_SSLENGINE, conf->ssl_engine) != CURLE_OK){
+ opkg_message(conf, OPKG_ERROR, "can't set crypto engine: '%s'\n",
+ conf->ssl_engine);
+
+ opkg_curl_cleanup();
+ return NULL;
+ }
+ /* set the crypto engine as default */
+ if (curl_easy_setopt(curl, CURLOPT_SSLENGINE_DEFAULT, 1L) != CURLE_OK){
+ opkg_message(conf, OPKG_ERROR, "can't set crypto engine as default\n");
+
+ opkg_curl_cleanup();
+ return NULL;
+ }
+ }
+
+ /* cert & key can only be in PEM case in the same file */
+ if(conf->ssl_key_passwd){
+ if (curl_easy_setopt(curl, CURLOPT_SSLKEYPASSWD, conf->ssl_key_passwd) != CURLE_OK)
+ {
+ opkg_message(conf, OPKG_DEBUG, "Failed to set key password\n");
+ }
+ }
+
+ /* sets the client certificate and its type */
+ if(conf->ssl_cert_type){
+ if (curl_easy_setopt(curl, CURLOPT_SSLCERTTYPE, conf->ssl_cert_type) != CURLE_OK)
+ {
+ opkg_message(conf, OPKG_DEBUG, "Failed to set certificate format\n");
+ }
+ }
+ /* SSL cert name isn't mandatory */
+ if(conf->ssl_cert){
+ curl_easy_setopt(curl, CURLOPT_SSLCERT, conf->ssl_cert);
+ }
+
+ /* sets the client key and its type */
+ if(conf->ssl_key_type){
+ if (curl_easy_setopt(curl, CURLOPT_SSLKEYTYPE, conf->ssl_key_type) != CURLE_OK)
+ {
+ opkg_message(conf, OPKG_DEBUG, "Failed to set key format\n");
+ }
+ }
+ if(conf->ssl_key){
+ if (curl_easy_setopt(curl, CURLOPT_SSLKEY, conf->ssl_key) != CURLE_OK)
+ {
+ opkg_message(conf, OPKG_DEBUG, "Failed to set key\n");
+ }
+ }
+
+ /* Should we verify the peer certificate ? */
+ if(conf->ssl_dont_verify_peer){
+ /*
+ * CURLOPT_SSL_VERIFYPEER default is nonzero (curl => 7.10)
+ */
+ curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0);
+ }else{
+#ifdef HAVE_PATHFINDER
+ if(conf->check_x509_path){
+ if (curl_easy_setopt(curl, CURLOPT_SSL_CTX_FUNCTION, curl_ssl_ctx_function) != CURLE_OK){
+ opkg_message(conf, OPKG_DEBUG, "Failed to set ssl path verification callback\n");
+ }else{
+ curl_easy_setopt(curl, CURLOPT_SSL_CTX_DATA, NULL);
+ }
+ }
+#endif
+ }
+
+ /* certification authority file and/or path */
+ if(conf->ssl_ca_file){
+ curl_easy_setopt(curl, CURLOPT_CAINFO, conf->ssl_ca_file);
+ }
+ if(conf->ssl_ca_path){
+ curl_easy_setopt(curl, CURLOPT_CAPATH, conf->ssl_ca_path);
+ }
+#endif
+
+ curl_easy_setopt (curl, CURLOPT_FOLLOWLOCATION, 1);
+ curl_easy_setopt (curl, CURLOPT_FAILONERROR, 1);
+ if (conf->http_proxy || conf->ftp_proxy)
+ {
+ char *userpwd;
+ sprintf_alloc (&userpwd, "%s:%s", conf->proxy_user,
+ conf->proxy_passwd);
+ curl_easy_setopt(curl, CURLOPT_PROXYUSERPWD, userpwd);
+ free (userpwd);
+ }
+ }
+
+ curl_easy_setopt (curl, CURLOPT_NOPROGRESS, (cb == NULL));
+ if (cb)
+ {
+ curl_easy_setopt (curl, CURLOPT_PROGRESSDATA, data);
+ curl_easy_setopt (curl, CURLOPT_PROGRESSFUNCTION, cb);
+ }
+
+ return curl;
+
+}
+#endif