tool/src/syncdb.c

   1 /*
   2  * ail
   3  *
   4  * Copyright (c) 2000 - 2011 Samsung Electronics Co., Ltd. All rights reserved.
   5  * Copyright (C) 2013-2014 Intel Corporation.
   6  *
   7  * Contact: Sabera Djelti <sabera.djelti@open.eurogiciel.org>,
   8  * Jayoun Lee <airjany@samsung.com>, Sewook Park <sewook7.park@samsung.com>, Jaeho Lee <jaeho81.lee@samsung.com>
   9  *
  10  * Licensed under the Apache License, Version 2.0 (the "License");
  11  * you may not use this file except in compliance with the License.
  12  * You may obtain a copy of the License at
  13  *
  14  * http://www.apache.org/licenses/LICENSE-2.0
  15  *
  16  * Unless required by applicable law or agreed to in writing, software
  17  * distributed under the License is distributed on an "AS IS" BASIS,
  18  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  19  * See the License for the specific language governing permissions and
  20  * limitations under the License.
  21  *
  22  */
  23
  24
  25
  26 #include <string.h>
  27 #include <stdlib.h>
  28 #include <stdio.h>
  29 #include <dirent.h>
  30 #include <unistd.h>
  31 #include <sys/stat.h>
  32 #include <errno.h>
  33 #include <sys/smack.h>
  34
  35 #include "ail.h"
  36 #include "ail_private.h"
  37 #include "ail_db.h"
  38
  39
  40 #ifdef _E
  41 #undef _E
  42 #endif
  43 #define _E(fmt, arg...) fprintf(stderr, "[AIL_INITDB][E][%s,%d] "fmt"\n", __FUNCTION__, __LINE__, ##arg);
  44
  45 #ifdef _D
  46 #undef _D
  47 #endif
  48 #define _D(fmt, arg...) fprintf(stderr, "[AIL_INITDB][D][%s,%d] "fmt"\n", __FUNCTION__, __LINE__, ##arg);
  49
  50 #define SET_DEFAULT_LABEL(x) \
  51         if(smack_setlabel((x), "*", SMACK_LABEL_ACCESS)) _E("failed chsmack -a \"*\" %s", x) \
  52         else _D("chsmack -a \"*\" %s", x)
  53
  54 static int syncdb_count_app(void)
  55 {
  56         ail_filter_h filter;
  57         ail_error_e ret;
  58         int total = 0;
  59
  60         ret = ail_filter_new(&filter);
  61         if (ret != AIL_ERROR_OK) {
  62                 return -1;
  63         }
  64
  65         ret = ail_filter_add_bool(filter, AIL_PROP_NODISPLAY_BOOL, false);
  66         if (ret != AIL_ERROR_OK) {
  67                 ail_filter_destroy(filter);
  68                 return -1;
  69         }
  70         ret = ail_filter_count_appinfo(filter, &total);
  71         if (ret != AIL_ERROR_OK) {
  72                 ail_filter_destroy(filter);
  73                 return -1;
  74         }
  75
  76         ail_filter_destroy(filter);
  77
  78         return total;
  79 }
  80
  81
  82
  83 char* _desktop_to_package(const char* desktop)
  84 {
  85         char *package, *tmp;
  86
  87         retv_if(!desktop, NULL);
  88
  89         package = strdup(desktop);
  90         retv_if(!package, NULL);
  91
  92         tmp = strrchr(package, '.');
  93         if(tmp == NULL) {
  94                 _E("[%s] is not a desktop file", package);
  95                 free(package);
  96                 return NULL;
  97         }
  98
  99         if (strcmp(tmp, ".desktop")) {
 100                 _E("%s is not a desktop file", desktop);
 101                 free(package);
 102                 return NULL;
 103         }
 104
 105         *tmp = '\0';
 106
 107         return package;
 108 }
 109
 110
 111
 112 int syncdb_load_directory(const char *directory)
 113 {
 114         DIR *dir;
 115         struct dirent entry, *result;
 116         int len, ret;
 117         char buf[BUFSZE];
 118         int total_cnt = 0;
 119         int ok_cnt = 0;
 120
 121         // desktop file
 122         dir = opendir(directory);
 123         if (!dir) {
 124                 if (strerror_r(errno, buf, sizeof(buf)) == 0)
 125                         _E("Failed to access the [%s] because %s\n", directory, buf);
 126                 return AIL_ERROR_FAIL;
 127         }
 128
 129         len = strlen(directory) + 1;
 130         _D("Loading desktop files from %s", directory);
 131
 132         for (ret = readdir_r(dir, &entry, &result);
 133                         ret == 0 && result != NULL;
 134                         ret = readdir_r(dir, &entry, &result)) {
 135                 char *package;
 136
 137                 if (entry.d_name[0] == '.') continue;
 138                 total_cnt++;
 139                 package = _desktop_to_package(entry.d_name);
 140                 if (!package) {
 141                         _E("Failed to convert file to package[%s]", entry.d_name);
 142                         continue;
 143                 }
 144
 145                 if (ail_desktop_add(package) != AIL_ERROR_OK) {
 146                         _E("Failed to add a package[%s]", package);
 147                 } else {
 148                         ok_cnt++;
 149                 }
 150                 free(package);
 151         }
 152
 153         _D("Application-Desktop process : Success [%d], fail[%d], total[%d] \n", ok_cnt, total_cnt-ok_cnt, total_cnt);
 154         closedir(dir);
 155
 156         return AIL_ERROR_OK;
 157 }
 158
 159
 160
 161 static int syncdb_change_perm(const char *db_file)
 162 {
 163         char buf[BUFSZE];
 164         char journal_file[BUFSZE];
 165         char *files[3];
 166         int ret, i;
 167
 168         files[0] = (char *)db_file;
 169         files[1] = journal_file;
 170         files[2] = NULL;
 171
 172         retv_if(!db_file, AIL_ERROR_FAIL);
 173
 174         snprintf(journal_file, sizeof(journal_file), "%s%s", db_file, "-journal");
 175
 176         for (i = 0; files[i]; i++) {
 177                 ret = chown(files[i], GLOBAL_USER, OWNER_ROOT);
 178                 if (ret == -1) {
 179                         strerror_r(errno, buf, sizeof(buf));
 180                         _E("FAIL : chown %s %d.%d, because %s", db_file, OWNER_ROOT, OWNER_ROOT, buf);
 181                         return AIL_ERROR_FAIL;
 182                 }
 183
 184                 ret = chmod(files[i], S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
 185                 if (ret == -1) {
 186                         strerror_r(errno, buf, sizeof(buf));
 187                         _E("FAIL : chmod %s 0664, because %s", db_file, buf);
 188                         return AIL_ERROR_FAIL;
 189                 }
 190         }
 191
 192         return AIL_ERROR_OK;
 193 }
 194
 195
 196 static int __is_authorized()
 197 {
 198         /* ail_init db should be called by as root privilege. */
 199
 200         uid_t uid = getuid();
 201         uid_t euid = geteuid();
 202         //euid need to be root to allow smack label changes during initialization
 203         if ((uid_t) OWNER_ROOT == uid)
 204                 return 1;
 205         else
 206                 return 0;
 207 }
 208
 209 int xsystem(const char *argv[])
 210 {
 211         int status = 0;
 212         pid_t pid;
 213         pid = fork();
 214         switch (pid) {
 215         case -1:
 216                 perror("fork failed");
 217                 return -1;
 218         case 0:
 219                 /* child */
 220                 execvp(argv[0], (char *const *)argv);
 221                 _exit(-1);
 222         default:
 223                 /* parent */
 224                 break;
 225         }
 226         if (waitpid(pid, &status, 0) == -1) {
 227                 perror("waitpid failed");
 228                 return -1;
 229         }
 230         if (WIFSIGNALED(status)) {
 231                 perror("signal");
 232                 return -1;
 233         }
 234         if (!WIFEXITED(status)) {
 235                 /* shouldn't happen */
 236                 perror("should not happen");
 237                 return -1;
 238         }
 239         return WEXITSTATUS(status);
 240 }
 241
 242 int main(int argc, char *argv[])
 243 {
 244         int ret;
 245
 246         if (!__is_authorized()) {
 247                 fprintf(stderr, "You are not an authorized user!\n");
 248                 _D("You are not root user!\n");
 249                 return -1;
 250         }
 251         if (access(APP_INFO_DB_FILE, F_OK)) {
 252                 fprintf(stderr, "Application database %s is missing, please use ail_createdb to create one before\n", APP_INFO_DB_FILE);
 253                 return AIL_ERROR_FAIL;
 254         }
 255         ret = setenv("AIL_INITDB", "1", 1);
 256         _D("AIL_INITDB : %d", ret);
 257         setresuid(GLOBAL_USER, GLOBAL_USER, OWNER_ROOT);
 258
 259         if (db_open(DB_OPEN_RW, GLOBAL_USER) != AIL_ERROR_OK) {
 260                 _E("Fail to create system databases");
 261                 return AIL_ERROR_DB_FAILED;
 262         }
 263         ret = syncdb_load_directory(USR_DESKTOP_DIRECTORY);
 264         if (ret == AIL_ERROR_FAIL) {
 265                 _E("cannot load usr desktop directory.");
 266         }
 267
 268         return AIL_ERROR_OK;
 269 }
 270
 271
 272
 273 // END