src/media_util_private.c

   1 /*
   2 * Copyright (c) 2011 Samsung Electronics Co., Ltd All Rights Reserved
   3 *
   4 * Licensed under the Apache License, Version 2.0 (the "License");
   5 * you may not use this file except in compliance with the License.
   6 * You may obtain a copy of the License at
   7 *
   8 * http://www.apache.org/licenses/LICENSE-2.0
   9 *
  10 * Unless required by applicable law or agreed to in writing, software
  11 * distributed under the License is distributed on an "AS IS" BASIS,
  12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13 * See the License for the specific language governing permissions and
  14 * limitations under the License.
  15 */
  16
  17 #include <dirent.h>
  18 #include <string.h>
  19 #include <sys/stat.h>
  20 #include <sys/types.h>
  21 #include <fcntl.h>
  22 #include <media_util_private.h>
  23 #include <media_info_private.h>
  24 #include <media_content_type.h>
  25
  26 int _media_util_check_file(const char *path)
  27 {
  28         int exist;
  29
  30         /* check the file exits actually */
  31         exist = open(path, O_RDONLY);
  32         if(exist < 0) {
  33                 media_content_sec_debug("path [%s]", path);
  34                 media_content_stderror("open file fail");
  35                 if (errno == EACCES || errno == EPERM) {
  36                         return MEDIA_CONTENT_ERROR_PERMISSION_DENIED;
  37                 } else {
  38                         return MEDIA_CONTENT_ERROR_INVALID_PARAMETER;
  39                 }
  40         }
  41
  42         close(exist);
  43
  44         return MEDIA_CONTENT_ERROR_NONE;
  45 }
  46
  47 int _media_util_check_ignore_dir(const char *dir_path, bool *ignore)
  48 {
  49         int ret = MEDIA_CONTENT_ERROR_NONE;
  50         media_svc_storage_type_e storage_type = 0;
  51         char *scan_ignore = ".scan_ignore";
  52         bool find = false;
  53
  54         media_content_sec_debug("dir_path : %s", dir_path);
  55
  56         if(!STRING_VALID(dir_path))
  57         {
  58                 media_content_error("INVALID_PARAMETER(0x%08x)", MEDIA_CONTENT_ERROR_INVALID_PARAMETER);
  59                 return MEDIA_CONTENT_ERROR_INVALID_PARAMETER;
  60         }
  61
  62         *ignore = FALSE;
  63         /*1. Check Hidden Directory*/
  64         if(strstr(dir_path, "/."))
  65         {
  66                 *ignore = TRUE;
  67                 media_content_info("hidden path");
  68                 return MEDIA_CONTENT_ERROR_NONE;
  69         }
  70
  71         /*2. Check Scan Ignore Directory*/
  72         ret = media_svc_get_storage_type(dir_path, &storage_type, tzplatform_getuid(TZ_USER_NAME));
  73         if(ret != MS_MEDIA_ERR_NONE)
  74         {
  75                 media_content_error("media_svc_get_storage_type failed : %d", ret);
  76                 return _content_error_capi(MEDIA_CONTENT_TYPE, ret);
  77         }
  78
  79         DIR *dp = NULL;
  80         struct dirent entry;
  81         struct dirent *result = NULL;
  82
  83         char *leaf_path = NULL;
  84         char search_path[4096] = {0, };
  85
  86         strncpy(search_path, dir_path, strlen(dir_path));
  87         while(STRING_VALID(search_path))
  88         {
  89                 dp = opendir(search_path);
  90                 if(dp == NULL)
  91                 {
  92                         media_content_error("Fail Open Directory");
  93                         return MEDIA_CONTENT_ERROR_INVALID_OPERATION;
  94                 }
  95
  96                 while (!readdir_r(dp, &entry, &result))
  97                 {
  98                         if (result == NULL)
  99                                 break;
 100
 101                         if(STRING_VALID(entry.d_name) && (strcmp(entry.d_name, scan_ignore) == 0))
 102                         {
 103                                 media_content_info("Find Ignore path");
 104                                 media_content_sec_debug("Ignore path[%s]", search_path);
 105                                 find = TRUE;
 106                                 break;
 107                         }
 108                         else
 109                         {
 110                                 //media_content_sec_debug("entry.d_name[%s]", entry.d_name);
 111                                 continue;
 112                         }
 113                 }
 114
 115                 if (dp) closedir(dp);
 116                 dp = NULL;
 117
 118                 if(find)
 119                 {
 120                         *ignore = TRUE;
 121                         break;
 122                 }
 123                 else
 124                 {
 125                         /*If root path, Stop Scanning*/
 126                         if((storage_type == MEDIA_SVC_STORAGE_INTERNAL) && (strcmp(search_path, tzplatform_getenv(TZ_USER_CONTENT)) == 0))
 127                         {
 128                                 //media_content_debug("Internal root path. Stop Scanning. Not found Ignore information");
 129                                 break;
 130                         }
 131                         else if((storage_type == MEDIA_SVC_STORAGE_EXTERNAL) && (strcmp(search_path, MEDIA_ROOT_PATH_SDCARD) == 0))
 132                         {
 133                                 //media_content_debug("Enternal root path. Stop Scanning. Not found Ignore information");
 134                                 break;
 135                         }
 136
 137                         leaf_path = strrchr(search_path, '/');
 138                         if(leaf_path != NULL)
 139                         {
 140                                 int seek_len = leaf_path -search_path;
 141                                 search_path[seek_len] = '\0';
 142                                 //media_content_sec_debug("go to other dir [%s]", search_path);
 143                         }
 144                         else
 145                         {
 146                                 media_content_debug("Fail to find leaf path");
 147                                 break;
 148                         }
 149                 }
 150         }
 151
 152         return MEDIA_CONTENT_ERROR_NONE;
 153 }