diff -r e554f3d72d9e -r 067ea2315a8a libidav/resource.c
--- a/libidav/resource.c	Tue Dec 12 23:58:54 2017 +0100
+++ b/libidav/resource.c	Mon Dec 18 11:56:11 2017 +0100
@@ -656,7 +656,7 @@
               
             // put resource
             ret = do_put_request(
-                    sn->handle,
+                    sn,
                     locktoken,
                     TRUE,
                     enc,
@@ -683,7 +683,7 @@
             free(enc_hash);
         } else {
             ret = do_put_request(
-                    sn->handle,
+                    sn,
                     locktoken,
                     TRUE,
                     data->content,
@@ -716,7 +716,7 @@
         UcxBuffer *response = ucx_buffer_new(NULL, 1024, UCX_BUFFER_AUTOEXTEND);
         //printf("request:\n%.*s\n\n", request->pos, request->space);
 
-        CURLcode ret = do_proppatch_request(sn->handle, locktoken, request, response);
+        CURLcode ret = do_proppatch_request(sn, locktoken, request, response);
         long status = 0;
         curl_easy_getinfo (sn->handle, CURLINFO_RESPONSE_CODE, &status);
         if(ret == CURLE_OK && status == 207) {
@@ -765,7 +765,8 @@
     curl_easy_setopt(handle, CURLOPT_WRITEFUNCTION, write_fnc);
     curl_easy_setopt(handle, CURLOPT_WRITEDATA, stream);
     
-    CURLcode ret = curl_easy_perform(handle);
+    long status = 0;
+    CURLcode ret = dav_session_curl_perform(sn, &status);
     
     char *hash = NULL;
     if(dec) {
@@ -779,8 +780,6 @@
         aes_decrypter_close(dec);
     }
     
-    long status = 0;
-    curl_easy_getinfo (handle, CURLINFO_RESPONSE_CODE, &status);
     if(ret == CURLE_OK && (status >= 200 && status < 300)) {
         int verify_failed = 0;
         if(DAV_DECRYPT_CONTENT(sn) && key) {
@@ -836,7 +835,7 @@
     char *locktoken = lock ? lock->token : NULL;
     
     UcxBuffer *response = ucx_buffer_new(NULL, 4096, UCX_BUFFER_AUTOEXTEND);
-    CURLcode ret = do_delete_request(handle, locktoken, response);
+    CURLcode ret = do_delete_request(res->session, locktoken, response);
     long status = 0;
     curl_easy_getinfo (handle, CURLINFO_RESPONSE_CODE, &status);
     int r = 0;
@@ -873,7 +872,7 @@
     
     for(int i=0;i<2;i++) {
         util_set_url(sn, h);
-        code = do_mkcol_request(handle, locktoken);
+        code = do_mkcol_request(sn, locktoken);
         curl_easy_getinfo(handle, CURLINFO_RESPONSE_CODE, &status);
         if(status == 201) {
             // resource successfully created
@@ -918,9 +917,9 @@
     
     CURLcode code;
     if(res->iscollection) {
-        code = do_mkcol_request(handle, locktoken);
+        code = do_mkcol_request(sn, locktoken);
     } else {
-        code = do_put_request(handle, locktoken, TRUE, "", NULL, 0); 
+        code = do_put_request(sn, locktoken, TRUE, "", NULL, 0); 
     }
     long s = 0;
     curl_easy_getinfo(handle, CURLINFO_RESPONSE_CODE, &s);
@@ -965,7 +964,7 @@
     CURL *handle = sn->handle;
     util_set_url(sn, dav_resource_get_href(res));
     
-    CURLcode ret = do_head_request(handle);
+    CURLcode ret = do_head_request(sn);
     long status = 0;
     curl_easy_getinfo (handle, CURLINFO_RESPONSE_CODE, &status);
     if(ret == CURLE_OK && (status >= 200 && status < 300)) {
@@ -984,7 +983,7 @@
     DavLock *lock = dav_get_lock(sn, res->path);
     char *locktoken = lock ? lock->token : NULL;
     
-    CURLcode ret = do_copy_move_request(handle, desturl, locktoken, copy, override);
+    CURLcode ret = do_copy_move_request(sn, desturl, locktoken, copy, override);
     
     long status = 0;
     curl_easy_getinfo (handle, CURLINFO_RESPONSE_CODE, &status);
@@ -1041,7 +1040,7 @@
     
     UcxBuffer *request = create_lock_request();
     UcxBuffer *response = ucx_buffer_new(NULL, 512, UCX_BUFFER_AUTOEXTEND);
-    CURLcode ret = do_lock_request(handle, request, response, timeout);
+    CURLcode ret = do_lock_request(sn, request, response, timeout);
     
     //printf("\nlock\n");
     //printf("%.*s\n\n", request->size, request->space);
@@ -1097,7 +1096,7 @@
         return -1;
     }
     
-    CURLcode ret = do_unlock_request(handle, lock->token);
+    CURLcode ret = do_unlock_request(sn, lock->token);
     long status = 0;
     curl_easy_getinfo (handle, CURLINFO_RESPONSE_CODE, &status);
     if(ret == CURLE_OK && (status >= 200 && status < 300)) {
@@ -1121,7 +1120,7 @@
     
     util_set_url(sn, href);
     // TODO: lock
-    CURLcode ret = do_proppatch_request(sn->handle, NULL, request, response);
+    CURLcode ret = do_proppatch_request(sn, NULL, request, response);
     ucx_buffer_free(request);
     long status = 0;
     curl_easy_getinfo (sn->handle, CURLINFO_RESPONSE_CODE, &status);