src/pkgmgrinfo_db.c

   1 #define _GNU_SOURCE
   2 #include <stdio.h>
   3 #include <stdlib.h>
   4 #include <string.h>
   5 #include <unistd.h>
   6 #include <ctype.h>
   7 #include <sys/types.h>
   8 #include <sys/stat.h>
   9 #include <fcntl.h>
  10 #include <grp.h>
  11 #include <dirent.h>
  12 #include <libgen.h>
  13
  14 #include <tzplatform_config.h>
  15
  16 #include "pkgmgr-info.h"
  17 #include "pkgmgrinfo_debug.h"
  18 #include "pkgmgrinfo_private.h"
  19 #include "pkgmgr_parser.h"
  20 #include "pkgmgr_parser_db.h"
  21 #include "manager/pkginfo_manager.h"
  22
  23 typedef int (*sqlite_query_callback)(void *data, int ncols,
  24                 char **coltxt, char **colname);
  25
  26 static int _mkdir_for_user(const char *dir, uid_t uid, gid_t gid)
  27 {
  28         int ret;
  29         char *fullpath;
  30         char *subpath;
  31         char buf[1024];
  32         int fd;
  33         struct stat sb;
  34
  35         fullpath = strdup(dir);
  36         if (fullpath == NULL)
  37                 return -1;
  38         subpath = dirname(fullpath);
  39         if (strlen(subpath) > 1 && strcmp(subpath, fullpath) != 0) {
  40                 ret = _mkdir_for_user(fullpath, uid, gid);
  41                 if (ret == -1) {
  42                         free(fullpath);
  43                         return ret;
  44                 }
  45         }
  46
  47         ret = mkdir(dir, S_IRWXU | S_IRGRP | S_IXGRP | S_IXOTH);
  48         if (ret && errno != EEXIST) {
  49                 free(fullpath);
  50                 return ret;
  51         } else if (ret && errno == EEXIST) {
  52                 free(fullpath);
  53                 return 0;
  54         }
  55
  56         if (getuid() == ROOT_UID) {
  57                 fd = open(dir, O_RDONLY);
  58                 if (fd == -1) {
  59                         _LOGE("FAIL : open %s : %s", dir,
  60                                         strerror_r(errno, buf, sizeof(buf)));
  61                         free(fullpath);
  62                         return -1;
  63                 }
  64                 ret = fstat(fd, &sb);
  65                 if (ret == -1) {
  66                         _LOGE("FAIL : fstat %s : %s", dir,
  67                                         strerror_r(errno, buf, sizeof(buf)));
  68                         close(fd);
  69                         free(fullpath);
  70                         return -1;
  71                 }
  72                 if (S_ISLNK(sb.st_mode)) {
  73                         _LOGE("FAIL : %s is symlink!", dir);
  74                         close(fd);
  75                         free(fullpath);
  76                         return -1;
  77                 }
  78                 ret = fchown(fd, uid, gid);
  79                 if (ret == -1) {
  80                         _LOGE("FAIL : fchown %s %d.%d, because %s",
  81                                         dir, uid, gid,
  82                                         strerror_r(errno, buf, sizeof(buf)));
  83                         close(fd);
  84                         free(fullpath);
  85                         return -1;
  86                 }
  87                 close(fd);
  88         }
  89
  90         free(fullpath);
  91
  92         return 0;
  93 }
  94
  95 static char *_get_db_path(uid_t uid)
  96 {
  97         const char *db_path;
  98         char path[PATH_MAX];
  99
 100         db_path = tzplatform_getenv(TZ_SYS_DB);
 101         if (db_path == NULL) {
 102                 _LOGE("Failed to get TZ_SYS_DB path");
 103                 return NULL;
 104         }
 105
 106         if (uid == GLOBAL_USER || uid == ROOT_UID)
 107                 return strdup(db_path);
 108
 109         snprintf(path, sizeof(path), "%s/user/%d", db_path, uid);
 110
 111         return strdup(path);
 112 }
 113
 114 static gid_t _get_gid(const char *name)
 115 {
 116         char buf[BUFSIZE];
 117         struct group entry;
 118         struct group *ge;
 119         int ret;
 120
 121         ret = getgrnam_r(name, &entry, buf, sizeof(buf), &ge);
 122         if (ret || ge == NULL) {
 123                 _LOGE("fail to get gid of %s", name);
 124                 return -1;
 125         }
 126
 127         return entry.gr_gid;
 128 }
 129
 130 API const char *getIconPath(uid_t uid, bool readonly)
 131 {
 132         const char *path = NULL;
 133         uid_t uid_caller = getuid();
 134         gid_t gid = ROOT_UID;
 135
 136         if (uid != GLOBAL_USER && uid != ROOT_UID) {
 137                 _LOGD("not supported target user");
 138                 return NULL;
 139         }
 140
 141         if (readonly)
 142                 path = tzplatform_mkpath(TZ_SYS_RO_ICONS, "/");
 143
 144         /* just allow certain users to create the icon directory if needed. */
 145         if (path && (uid_caller == ROOT_UID  ||
 146                 uid_caller == APPFW_UID || uid_caller == uid))
 147                 _mkdir_for_user(path, uid, gid);
 148
 149         return path;
 150 }
 151
 152 API char *getUserPkgParserDBPath(void)
 153 {
 154         return getUserPkgParserDBPathUID(_getuid());
 155 }
 156
 157 API char *getUserPkgParserDBPathUID(uid_t uid)
 158 {
 159         char pkgmgr_parser_db[PATH_MAX];
 160         uid_t uid_caller = getuid();
 161         gid_t gid = ROOT_UID;
 162         char *db_path;
 163
 164         db_path = _get_db_path(uid);
 165         if (db_path == NULL) {
 166                 _LOGE("Failed to get db path %d", uid);
 167                 return NULL;
 168         }
 169         snprintf(pkgmgr_parser_db, sizeof(pkgmgr_parser_db),
 170                         "%s/.pkgmgr_parser.db", db_path);
 171         if (access(db_path, F_OK) != 0) {
 172                 if (uid != GLOBAL_USER && uid != ROOT_UID) {
 173                         tzplatform_set_user(uid);
 174                         gid = _get_gid(tzplatform_getenv(TZ_SYS_USER_GROUP));
 175                         tzplatform_reset_user();
 176                 }
 177                 /* just allow certain users to create the dbspace directory if needed. */
 178                 if (uid_caller == ROOT_UID || uid_caller == APPFW_UID)
 179                         _mkdir_for_user(db_path, uid, gid);
 180         }
 181         free(db_path);
 182
 183         return strdup(pkgmgr_parser_db);
 184 }
 185
 186 API char *getUserPkgCertDBPath(void)
 187 {
 188         char *db_path;
 189         char pkgmgr_cert_db[PATH_MAX];
 190
 191         db_path = _get_db_path(GLOBAL_USER);
 192         snprintf(pkgmgr_cert_db, sizeof(pkgmgr_cert_db),
 193                         "%s/.pkgmgr_cert.db", db_path);
 194         free(db_path);
 195
 196         return strdup(pkgmgr_cert_db);
 197 }
 198
 199 API const char *getUserManifestPath(uid_t uid, bool readonly)
 200 {
 201         const char *path = NULL;
 202         uid_t uid_caller = getuid();
 203         gid_t gid = ROOT_UID;
 204
 205         if (uid != GLOBAL_USER && uid != ROOT_UID) {
 206                 tzplatform_set_user(uid);
 207                 path = tzplatform_mkpath(TZ_USER_PACKAGES, "/");
 208                 gid = _get_gid(tzplatform_getenv(TZ_SYS_USER_GROUP));
 209                 tzplatform_reset_user();
 210         } else {
 211                 if (readonly)
 212                         path = tzplatform_mkpath(TZ_SYS_RO_PACKAGES, "/");
 213                 else
 214                         path = tzplatform_mkpath(TZ_SYS_RW_PACKAGES, "/");
 215         }
 216
 217         /* just allow certain users to create the icon directory if needed. */
 218         if (uid_caller == ROOT_UID || uid_caller == APPFW_UID ||
 219                         uid_caller == uid)
 220                 _mkdir_for_user(path, uid, gid);
 221
 222         return path;
 223 }
 224
 225 API int pkgmgrinfo_pkginfo_set_usr_installed_storage(const char *pkgid,
 226                 INSTALL_LOCATION location, const char *external_pkg_path,
 227                 uid_t uid)
 228 {
 229         retvm_if(pkgid == NULL, PMINFO_R_EINVAL, "pkgid is NULL\n");
 230         return _pkginfo_set_usr_installed_storage(pkgid,
 231                         location, external_pkg_path, uid);
 232 }
 233
 234 API int pkgmgrinfo_pkginfo_set_installed_storage(const char *pkgid,
 235                 INSTALL_LOCATION location, const char *external_pkg_path)
 236 {
 237         return pkgmgrinfo_pkginfo_set_usr_installed_storage(pkgid,
 238                         location, external_pkg_path, _getuid());
 239 }