fix bug of base64 encode and add testcase for pull image

Signed-off-by: NWangFengTu <wangfengtu@huawei.com>

CI/test_cases/basic_cases/helpers.bash

@@ -22,6 +22,7 @@ declare -a lines
 # Root directory of integration tests.
 INTEGRATION_ROOT=$(dirname "$(readlink -f "$BASH_SOURCE")")
 LCR_ROOT_PATH="/var/lib/isulad/engines/lcr"
+ISUALD_LOG="/var/lib/isulad/isulad.log"
 
 function cut_output_lines() {
     message=`$@ 2>&1`

CI/test_cases/basic_cases/registry.bash

+#!/bin/bash
+#
+# attributes: isulad inheritance version
+# concurrent: YES
+# spend time: 1
+
+#######################################################################
+##- @Copyright (C) Huawei Technologies., Ltd. 2020. All rights reserved.
+# - iSulad licensed under the Mulan PSL v2.
+# - You can use this software according to the terms and conditions of the Mulan PSL v2.
+# - You may obtain a copy of Mulan PSL v2 at:
+# -     http://license.coscl.org.cn/MulanPSL2
+# - THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR
+# - IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR
+# - PURPOSE.
+# - See the Mulan PSL v2 for more details.
+##- @Description:CI
+##- @Author: wangfengtu
+##- @Create: 2020-05-12
+#######################################################################
+
+curr_path=$(dirname $(readlink -f "$0"))
+data_path=$(realpath $curr_path/../data)
+source ./helpers.bash
+
+function isula_pull()
+{
+    isula pull busybox
+    fn_check_eq "$?" "0" "isula pull busybox"
+
+    isula inspect busybox
+    fn_check_eq "$?" "0" "isula inspect busybox"
+}
+
+function do_test_t()
+{
+    isula_pull
+
+    return $TC_RET_T
+}
+
+ret=0
+
+do_test_t
+if [ $? -ne 0 ];then
+    cat $ISUALD_LOG
+    let "ret=$ret + 1"
+fi
+
+show_result $ret "basic pull"

src/cutils/utils_base64.c

@@ -31,6 +31,8 @@ size_t util_base64_encode(unsigned char *bytes, size_t len, char *out, size_t ou
     int ret = 0;
     int bio_ret = 0;
     BUF_MEM *pmem = NULL;
+    size_t i = 0;
+    size_t count = 0;
 
     if (bytes == NULL || len == 0 || out == NULL || out_len < util_base64_encode_len(len)) {
         ERROR("Invalid param for encoding base64, input length %zu, out length %zu", len, out_len);
@@ -66,16 +68,29 @@ size_t util_base64_encode(unsigned char *bytes, size_t len, char *out, size_t ou
     }
 
     (void)BIO_get_mem_ptr(io, &pmem);
-    if (pmem->length > out_len) {
-        ERROR("result length larger than output length, result length %zu, input length %zu, output length %zu",
-              pmem->length, len, out_len);
+    // BIO_write append '\n' if every 76 chars have be output, so we need to strip them.
+    for (i = 0; i < pmem->length; i++) {
+        if (pmem->data[i] == '\n') {
+            continue;
+        }
+        if (count + 1 == out_len) {
+            ERROR("result length larger than output length, result length %zu, input length %zu, output length %zu",
+                  pmem->length, len, out_len);
+            ret = -1;
+            goto out;
+        }
+        out[count] = pmem->data[i];
+        count++;
+    }
+
+    if (count == 0) {
+        ERROR("Base64 encode failed, result count is zero");
         ret = -1;
         goto out;
     }
 
-    (void)memcpy(out, pmem->data, pmem->length);
-    out[pmem->length - 1] = 0;
-    result_len = pmem->length;
+    out[count] = 0;
+    result_len = count + 1;
 
 out:
 

src/image/oci/registry/registry.c

@@ -1192,7 +1192,7 @@ static int do_fetch(thread_fetch_info *info)
     if (cache == NULL) {
         ret = fetch_one_layer(info);
         if (ret != 0) {
-            ERROR("failed to start thread to fetch layer %d", (int)info->index);
+            ERROR("failed to to fetch layer %d", (int)info->index);
             goto out;
         }
     }