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author | Ethan Yonker <dees_troy@teamw.in> | 2016-08-25 22:32:21 +0200 |
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committer | Ethan Yonker <dees_troy@teamw.in> | 2016-08-25 22:36:13 +0200 |
commit | f117962eb25bde75e981c3bff91ba708a55df65e (patch) | |
tree | 4d8565830b460a940ad33701e953d0371a0e5355 /set_metadata.c | |
parent | Update to 7.0 (diff) | |
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Diffstat (limited to 'set_metadata.c')
-rw-r--r-- | set_metadata.c | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/set_metadata.c b/set_metadata.c deleted file mode 100644 index 2e1d769d9..000000000 --- a/set_metadata.c +++ /dev/null @@ -1,89 +0,0 @@ -/* - * Copyright (C) 2014 The Team Win Recovery Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -/* - * The purpose of these functions is to try to get and set the proper - * file permissions, SELinux contexts, owner, and group so that these - * files are accessible when we boot up to normal Android via MTP and to - * file manager apps. During early boot we try to read the contexts and - * owner / group info from /data/media or from /data/media/0 and store - * them in static variables. From there, we'll try to set the same - * contexts, owner, and group information on most files we create during - * operations like backups, copying the log, and MTP operations. - */ - -#include <sys/stat.h> -#include <stdio.h> -#include <unistd.h> -#include "selinux/selinux.h" - -static security_context_t selinux_context; -struct stat s; -static int has_stat = 0; - -int tw_get_context(const char* filename) { - if (lgetfilecon(filename, &selinux_context) >= 0) { - printf("tw_get_context got selinux context: %s\n", selinux_context); - return 0; - } else { - printf("tw_get_context failed to get selinux context\n"); - selinux_context = NULL; - } - return -1; -} - -int tw_get_stat(const char* filename) { - if (lstat(filename, &s) == 0) { - has_stat = 1; - return 0; - } - printf("tw_get_stat failed to lstat '%s'\n", filename); - return -1; -} - -int tw_get_default_metadata(const char* filename) { - if (tw_get_context(filename) == 0 && tw_get_stat(filename) == 0) - return 0; - return -1; -} - -// Most of this logging is disabled to prevent log spam if we are trying -// to set contexts and permissions on file systems that do not support -// these types of things (e.g. vfat / FAT / FAT32). -int tw_set_default_metadata(const char* filename) { - int ret = 0; - struct stat st; - - if (selinux_context == NULL) { - //printf("selinux_context was null, '%s'\n", filename); - ret = -1; - } else if (lsetfilecon(filename, selinux_context) < 0) { - //printf("Failed to set default contexts on '%s'.\n", filename); - ret = -1; - } - - if (lstat(filename, &st) == 0 && st.st_mode & S_IFREG && chmod(filename, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH) < 0) { - //printf("Failed to chmod '%s'\n", filename); - ret = -1; - } - - if (has_stat && chown(filename, s.st_uid, s.st_gid) < 0) { - //printf("Failed to lchown '%s'.\n", filename); - ret = -1; - } - //printf("Done trying to set defaults on '%s'\n"); - return ret; -} |