tool/src/ail_fota.c

   1 /*
   2  * ail
   3  *
   4  * Copyright (c) 2000 - 2011 Samsung Electronics Co., Ltd. All rights reserved.
   5  *
   6  * Contact: Jayoun Lee <airjany@samsung.com>, Sewook Park <sewook7.park@samsung.com>, Jaeho Lee <jaeho81.lee@samsung.com>
   7  *
   8  * Licensed under the Apache License, Version 2.0 (the "License");
   9  * you may not use this file except in compliance with the License.
  10  * You may obtain a copy of the License at
  11  *
  12  * http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing, software
  15  * distributed under the License is distributed on an "AS IS" BASIS,
  16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17  * See the License for the specific language governing permissions and
  18  * limitations under the License.
  19  *
  20  */
  21
  22
  23
  24 #include <string.h>
  25 #include <stdlib.h>
  26 #include <stdio.h>
  27 #include <dirent.h>
  28 #include <unistd.h>
  29 #include <sys/stat.h>
  30 #include <sys/types.h>
  31 #include <sys/wait.h>
  32 #include <errno.h>
  33 #include <sys/smack.h>
  34
  35 #include "ail.h"
  36 #include "ail_private.h"
  37
  38 #ifdef _E
  39 #undef _E
  40 #endif
  41 #define _E(fmt, arg...) fprintf(stderr, "[AIL_INITDB][E][%s,%d] "fmt"\n", __FUNCTION__, __LINE__, ##arg)
  42
  43 #ifdef _D
  44 #undef _D
  45 #endif
  46 #define _D(fmt, arg...) fprintf(stderr, "[AIL_INITDB][D][%s,%d] "fmt"\n", __FUNCTION__, __LINE__, ##arg)
  47
  48 #define SET_DEFAULT_LABEL(x) \
  49         do { \
  50                 if (smack_setlabel((x), "*", SMACK_LABEL_ACCESS)) \
  51                         _E("failed chsmack -a \"*\" %s", x); \
  52                 else \
  53                         _D("chsmack -a \"*\" %s", x); \
  54         } while (0)
  55
  56 static int initdb_count_app(uid_t uid)
  57 {
  58         ail_filter_h filter;
  59         ail_error_e ret;
  60         int total = 0;
  61
  62         ret = ail_filter_new(&filter);
  63         if (ret != AIL_ERROR_OK)
  64                 return -1;
  65
  66         ret = ail_filter_add_bool(filter, AIL_PROP_NODISPLAY_BOOL, false);
  67         if (ret != AIL_ERROR_OK) {
  68                 ail_filter_destroy(filter);
  69                 return -1;
  70         }
  71
  72         /* __isadmin */
  73         if (uid != GLOBAL_USER)
  74                 ret = ail_filter_count_usr_appinfo(filter,  &total, uid);
  75         else
  76                 ret = ail_filter_count_appinfo(filter,  &total);
  77         if (ret != AIL_ERROR_OK) {
  78                 ail_filter_destroy(filter);
  79                 return -1;
  80         }
  81
  82         ail_filter_destroy(filter);
  83
  84         return total;
  85 }
  86
  87 char *_desktop_to_package(const char* desktop)
  88 {
  89         char *package;
  90         char *tmp;
  91
  92         retv_if(!desktop, NULL);
  93
  94         package = strdup(desktop);
  95         retv_if(!package, NULL);
  96
  97         tmp = strrchr(package, '.');
  98         if (tmp == NULL) {
  99                 _E("[%s] is not a desktop file", package);
 100                 free(package);
 101                 return NULL;
 102         }
 103
 104         if (strcmp(tmp, ".desktop")) {
 105                 _E("%s is not a desktop file", desktop);
 106                 free(package);
 107                 return NULL;
 108         }
 109
 110         *tmp = '\0';
 111
 112         return package;
 113 }
 114
 115
 116
 117 int initdb_load_directory(const char *directory)
 118 {
 119         DIR *dir;
 120         struct dirent entry, *result;
 121         int ret;
 122         char buf[BUFSZE];
 123         int total_cnt = 0;
 124         int ok_cnt = 0;
 125
 126         /* desktop file */
 127         dir = opendir(directory);
 128         if (!dir) {
 129                 if (strerror_r(errno, buf, sizeof(buf)) == 0)
 130                         _E("Failed to access the [%s] because %s\n", directory, buf);
 131                 return AIL_ERROR_FAIL;
 132         }
 133
 134         _D("Loading desktop files from %s", directory);
 135
 136         for (ret = readdir_r(dir, &entry, &result);
 137                         ret == 0 && result != NULL;
 138                         ret = readdir_r(dir, &entry, &result)) {
 139                 char *package;
 140
 141                 if (entry.d_name[0] == '.') continue;
 142                 total_cnt++;
 143                 package = _desktop_to_package(entry.d_name);
 144                 if (!package) {
 145                         _E("Failed to convert file to package[%s]", entry.d_name);
 146                         continue;
 147                 }
 148
 149                 if (ail_desktop_fota(package) != AIL_ERROR_OK)
 150                         _E("Failed to add a package[%s]", package);
 151                 else
 152                         ok_cnt++;
 153                 free(package);
 154         }
 155
 156         _D("Application-Desktop process : Success [%d], fail[%d], total[%d] \n", ok_cnt, total_cnt-ok_cnt, total_cnt);
 157         closedir(dir);
 158
 159         return AIL_ERROR_OK;
 160 }
 161
 162
 163
 164 static int initdb_change_perm(const char *db_file)
 165 {
 166         char buf[BUFSZE];
 167         char journal_file[BUFSZE];
 168         char *files[3];
 169         int ret, i;
 170
 171         files[0] = (char *)db_file;
 172         files[1] = journal_file;
 173         files[2] = NULL;
 174
 175         retv_if(!db_file, AIL_ERROR_FAIL);
 176
 177         snprintf(journal_file, sizeof(journal_file), "%s%s", db_file, "-journal");
 178
 179         for (i = 0; files[i]; i++) {
 180                 ret = chown(files[i], OWNER_ROOT, OWNER_ROOT);
 181                 if (ret == -1) {
 182                         strerror_r(errno, buf, sizeof(buf));
 183                         _E("FAIL : chown %s %d.%d, because %s", db_file, OWNER_ROOT, OWNER_ROOT, buf);
 184                         return AIL_ERROR_FAIL;
 185                 }
 186
 187                 ret = chmod(files[i], S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
 188                 if (ret == -1) {
 189                         strerror_r(errno, buf, sizeof(buf));
 190                         _E("FAIL : chmod %s 0664, because %s", db_file, buf);
 191                         return AIL_ERROR_FAIL;
 192                 }
 193         }
 194
 195         return AIL_ERROR_OK;
 196 }
 197
 198
 199 static int __is_authorized()
 200 {
 201         /* ail_init db should be called by as root privilege. */
 202
 203         uid_t uid = getuid();
 204         uid_t euid = geteuid();
 205         /* euid need to be root to allow smack label changes during initialization */
 206         if (((uid_t) GLOBAL_USER == uid) && (euid == OWNER_ROOT))
 207                 return 1;
 208         else
 209                 return 0;
 210 }
 211
 212 int xsystem(const char *argv[])
 213 {
 214         int status = 0;
 215         pid_t pid;
 216         pid = fork();
 217         switch (pid) {
 218         case -1:
 219                 perror("fork failed");
 220                 return -1;
 221         case 0:
 222                 /* child */
 223                 execvp(argv[0], (char *const *)argv);
 224                 _exit(-1);
 225         default:
 226                 /* parent */
 227                 break;
 228         }
 229         if (waitpid(pid, &status, 0) == -1) {
 230                 perror("waitpid failed");
 231                 return -1;
 232         }
 233         if (WIFSIGNALED(status)) {
 234                 perror("signal");
 235                 return -1;
 236         }
 237         if (!WIFEXITED(status)) {
 238                 /* shouldn't happen */
 239                 perror("should not happen");
 240                 return -1;
 241         }
 242         return WEXITSTATUS(status);
 243 }
 244
 245 int main(int argc, char *argv[])
 246 {
 247         int ret;
 248
 249         if (!__is_authorized()) {
 250                 fprintf(stderr, "You are not an authorized user!\n");
 251                 _D("You are not root user!\n");
 252         } else {
 253                 if (remove(APP_INFO_DB_FILE))
 254                         _E(" %s is not removed", APP_INFO_DB_FILE);
 255                 if (remove(APP_INFO_DB_FILE_JOURNAL))
 256                         _E(" %s is not removed", APP_INFO_DB_FILE_JOURNAL);
 257         }
 258         ret = setenv("AIL_INITDB", "1", 1);
 259         _D("AIL_INITDB : %d", ret);
 260
 261         ret = initdb_count_app(getuid());
 262         if (ret > 0)
 263                 _D("Some Apps in the App Info DB.");
 264
 265         ret = initdb_load_directory(USR_DESKTOP_DIRECTORY);
 266         if (ret == AIL_ERROR_FAIL)
 267                 _E("cannot load usr desktop directory.");
 268
 269         if (__is_authorized()) {
 270                 ret = initdb_change_perm(APP_INFO_DB_FILE);
 271                 if (ret == AIL_ERROR_FAIL)
 272                         _E("cannot chown.");
 273
 274                 SET_DEFAULT_LABEL(APP_INFO_DB_FILE);
 275                 SET_DEFAULT_LABEL(APP_INFO_DB_FILE_JOURNAL);
 276         }
 277
 278         return AIL_ERROR_OK;
 279 }