6480ce0f2a
Fix permission setting for other Add new fix permissions to GUI actions Update version number
537 lines
14 KiB
C++
537 lines
14 KiB
C++
/*
|
|
Copyright 2012 bigbiff/Dees_Troy TeamWin
|
|
This file is part of TWRP/TeamWin Recovery Project.
|
|
|
|
TWRP is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
TWRP is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with TWRP. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <iostream>
|
|
#include <fstream>
|
|
#include <sstream>
|
|
#include <string>
|
|
#include <vector>
|
|
#include <string.h>
|
|
#include <libgen.h>
|
|
#include <unistd.h>
|
|
#include <sys/stat.h>
|
|
#include <dirent.h>
|
|
#include "gui/rapidxml.hpp"
|
|
#include "fixPermissions.hpp"
|
|
#include "twrp-functions.hpp"
|
|
#include "common.h"
|
|
|
|
using namespace std;
|
|
using namespace rapidxml;
|
|
|
|
int fixPermissions::fixPerms(bool enable_debug, bool remove_data_for_missing_apps) {
|
|
packageFile = "/data/system/packages.xml";
|
|
debug = enable_debug;
|
|
remove_data = remove_data_for_missing_apps;
|
|
|
|
if (!(TWFunc::Path_Exists(packageFile))) {
|
|
ui_print("Can't check permissions\n");
|
|
ui_print("after Factory Reset.\n");
|
|
ui_print("Please boot rom and try\n");
|
|
ui_print("again after you reboot into\n");
|
|
ui_print("recovery.\n");
|
|
return -1;
|
|
}
|
|
|
|
ui_print("Fixing permissions...\nLoading packages...\n");
|
|
if ((getPackages()) != 0) {
|
|
return -1;
|
|
}
|
|
|
|
ui_print("Fixing /system/app perissions...\n");
|
|
if ((fixSystemApps()) != 0) {
|
|
return -1;
|
|
}
|
|
|
|
ui_print("Fixing /data/app permisions...\n");
|
|
if ((fixDataApps()) != 0) {
|
|
return -1;
|
|
}
|
|
|
|
ui_print("Fixing /data/data permisions...\n");
|
|
if ((fixDataData()) != 0) {
|
|
return -1;
|
|
}
|
|
ui_print("Done fixing permissions.\n");
|
|
return 0;
|
|
}
|
|
|
|
int fixPermissions::pchown(string fn, int puid, int pgid) {
|
|
LOGI("Fixing %s, uid: %d, gid: %d\n", fn.c_str(), puid, pgid);
|
|
if (chown(fn.c_str(), puid, pgid) != 0) {
|
|
LOGE("Unable to chown '%s' %i %i\n", fn.c_str(), puid, pgid);
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int fixPermissions::pchmod(string fn, string mode) {
|
|
long mask = 0;
|
|
LOGI("Fixing %s, mode: %s\n", fn.c_str(), mode.c_str());
|
|
for ( std::string::size_type n = 0; n < mode.length(); ++n) {
|
|
if (n == 0) {
|
|
if (mode[n] == '0')
|
|
continue;
|
|
else if (mode[n] == '1')
|
|
mask = S_ISVTX;
|
|
else if (mode[n] == '2')
|
|
mask = S_ISGID;
|
|
}
|
|
else if (n == 1) {
|
|
if (mode[n] == '7') {
|
|
mask |= S_IRWXU;
|
|
}
|
|
if (mode[n] == '6') {
|
|
mask |= S_IRUSR;
|
|
mask |= S_IWUSR;
|
|
}
|
|
if (mode[n] == '5') {
|
|
mask |= S_IRUSR;
|
|
mask |= S_IXUSR;
|
|
}
|
|
if (mode[n] == '4')
|
|
mask |= S_IRUSR;
|
|
if (mode[n] == '3') {
|
|
mask |= S_IWUSR;
|
|
mask |= S_IRUSR;
|
|
}
|
|
if (mode[n] == '2')
|
|
mask |= S_IWUSR;
|
|
if (mode[n] == '1')
|
|
mask |= S_IXUSR;
|
|
}
|
|
else if (n == 2) {
|
|
if (mode[n] == '7') {
|
|
mask |= S_IRWXG;
|
|
}
|
|
if (mode[n] == '6') {
|
|
mask |= S_IRGRP;
|
|
mask |= S_IWGRP;
|
|
}
|
|
if (mode[n] == '5') {
|
|
mask |= S_IRGRP;
|
|
mask |= S_IXGRP;
|
|
}
|
|
if (mode[n] == '4')
|
|
mask |= S_IRGRP;
|
|
if (mode[n] == '3') {
|
|
mask |= S_IWGRP;
|
|
mask |= S_IXGRP;
|
|
}
|
|
if (mode[n] == '2')
|
|
mask |= S_IWGRP;
|
|
if (mode[n] == '1')
|
|
mask |= S_IXGRP;
|
|
}
|
|
else if (n == 3) {
|
|
if (mode[n] == '7') {
|
|
mask |= S_IRWXO;
|
|
}
|
|
if (mode[n] == '6') {
|
|
mask |= S_IROTH;
|
|
mask |= S_IWOTH;
|
|
}
|
|
if (mode[n] == '5') {
|
|
mask |= S_IROTH;
|
|
mask |= S_IXOTH;
|
|
}
|
|
if (mode[n] == '4')
|
|
mask |= S_IROTH;
|
|
if (mode[n] == '3') {
|
|
mask |= S_IWOTH;
|
|
mask |= S_IXOTH;
|
|
}
|
|
if (mode[n] == '2')
|
|
mask |= S_IWOTH;
|
|
if (mode[n] == '1')
|
|
mask |= S_IXOTH;
|
|
}
|
|
}
|
|
|
|
if (chmod(fn.c_str(), mask) != 0) {
|
|
LOGE("Unable to chmod '%s' %l\n", fn.c_str(), mask);
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int fixPermissions::removeDir(const string path) {
|
|
DIR *d = opendir(path.c_str());
|
|
int r = 0;
|
|
string new_path;
|
|
|
|
if (d == NULL) {
|
|
LOGE("Error opening '%s'\n", path.c_str());
|
|
return -1;
|
|
}
|
|
|
|
if (d) {
|
|
struct dirent *p;
|
|
while (!r && (p = readdir(d))) {
|
|
if (!strcmp(p->d_name, ".") || !strcmp(p->d_name, ".."))
|
|
continue;
|
|
|
|
new_path = path + "/";
|
|
new_path.append(p->d_name);
|
|
if (p->d_type == DT_DIR) {
|
|
r = removeDir(new_path);
|
|
if (!r)
|
|
LOGI("Unable to removeDir '%s'\n", new_path.c_str());
|
|
} else {
|
|
r = unlink(new_path.c_str());
|
|
if (!r)
|
|
LOGI("Unable to unlink '%s'\n", new_path.c_str());
|
|
}
|
|
}
|
|
closedir(d);
|
|
}
|
|
if (!r)
|
|
r = rmdir(path.c_str());
|
|
if (!r)
|
|
LOGI("Unable to rmdir '%s'\n", path.c_str());
|
|
|
|
return r;
|
|
}
|
|
|
|
int fixPermissions::fixSystemApps() {
|
|
temp = head;
|
|
while (temp != NULL) {
|
|
if (TWFunc::Path_Exists(temp->codePath)) {
|
|
if (temp->appDir.compare("/system/app") == 0) {
|
|
if (debug) {
|
|
LOGI("Looking at '%s'\n", temp->codePath.c_str());
|
|
LOGI("Fixing permissions on '%s'\n", temp->pkgName.c_str());
|
|
LOGI("Directory: '%s'\n", temp->appDir.c_str());
|
|
LOGI("Original package owner: %d, group: %d\n", temp->uid, temp->gid);
|
|
}
|
|
if (pchown(temp->codePath, 0, 0) != 0)
|
|
return -1;
|
|
if (pchmod(temp->codePath, "0644") != 0)
|
|
return -1;
|
|
}
|
|
} else {
|
|
//Remove data directory since app isn't installed
|
|
if (remove_data && TWFunc::Path_Exists(temp->dDir) && temp->appDir.size() >= 9 && temp->appDir.substr(0, 9) != "/mnt/asec") {
|
|
if (debug)
|
|
LOGI("Looking at '%s', removing data dir: '%s', appDir: '%s'", temp->codePath.c_str(), temp->dDir.c_str(), temp->appDir.c_str());
|
|
if (removeDir(temp->dDir) != 0) {
|
|
LOGI("Unable to removeDir '%s'\n", temp->dDir.c_str());
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
temp = temp->next;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int fixPermissions::fixDataApps() {
|
|
bool fix = false;
|
|
int new_gid = 0;
|
|
string perms = "0000";
|
|
|
|
temp = head;
|
|
while (temp != NULL) {
|
|
if (TWFunc::Path_Exists(temp->codePath)) {
|
|
if (temp->appDir.compare("/data/app") == 0 || temp->appDir.compare("/sd-ext/app") == 0) {
|
|
fix = true;
|
|
new_gid = 1000;
|
|
perms = "0644";
|
|
} else if (temp->appDir.compare("/data/app-private") == 0 || temp->appDir.compare("/sd-ext/app-private") == 0) {
|
|
fix = true;
|
|
new_gid = temp->gid;
|
|
perms = "0640";
|
|
} else
|
|
fix = false;
|
|
if (fix) {
|
|
if (debug) {
|
|
LOGI("Looking at '%s'\n", temp->codePath.c_str());
|
|
LOGI("Fixing permissions on '%s'\n", temp->pkgName.c_str());
|
|
LOGI("Directory: '%s'\n", temp->appDir.c_str());
|
|
LOGI("Original package owner: %d, group: %d\n", temp->uid, temp->gid);
|
|
}
|
|
if (pchown(temp->codePath, 1000, new_gid) != 0)
|
|
return -1;
|
|
if (pchmod(temp->codePath, perms) != 0)
|
|
return -1;
|
|
}
|
|
} else {
|
|
//Remove data directory since app isn't installed
|
|
if (remove_data && TWFunc::Path_Exists(temp->dDir) && temp->appDir.size() >= 9 && temp->appDir.substr(0, 9) != "/mnt/asec") {
|
|
if (debug)
|
|
LOGI("Looking at '%s', removing data dir: '%s', appDir: '%s'", temp->codePath.c_str(), temp->dDir.c_str(), temp->appDir.c_str());
|
|
if (removeDir(temp->dDir) != 0) {
|
|
LOGI("Unable to removeDir '%s'\n", temp->dDir.c_str());
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
temp = temp->next;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int fixPermissions::fixAllFiles(string directory, int gid, int uid, string file_perms) {
|
|
vector <string> files;
|
|
string file;
|
|
|
|
files = listAllFiles(directory);
|
|
for (unsigned i = 0; i < files.size(); ++i) {
|
|
file = directory + "/";
|
|
file.append(files.at(i));
|
|
if (debug)
|
|
LOGI("Looking at file '%s'\n", file.c_str());
|
|
if (pchmod(file, file_perms) != 0)
|
|
return -1;
|
|
if (pchown(file, uid, gid) != 0)
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int fixPermissions::fixDataData() {
|
|
string directory;
|
|
|
|
temp = head;
|
|
while (temp != NULL) {
|
|
if (TWFunc::Path_Exists(temp->dDir)) {
|
|
vector <string> dataDataDirs = listAllDirectories(temp->dDir);
|
|
for (unsigned n = 0; n < dataDataDirs.size(); ++n) {
|
|
directory = temp->dDir + "/";
|
|
directory.append(dataDataDirs.at(n));
|
|
if (debug)
|
|
LOGI("Looking at data directory: '%s'\n", directory.c_str());
|
|
if (dataDataDirs.at(n) == ".") {
|
|
if (pchmod(temp->dDir, "0755") != 0)
|
|
return -1;
|
|
if (pchown(directory.c_str(), temp->uid, temp->gid) != 0)
|
|
return -1;
|
|
if (fixAllFiles(directory, temp->uid, temp->gid, "0755") != 0)
|
|
return -1;
|
|
}
|
|
else if (dataDataDirs.at(n) == "..") {
|
|
if (debug)
|
|
LOGI("Skipping ..\n");
|
|
continue;
|
|
}
|
|
else if (dataDataDirs.at(n) == "lib") {
|
|
if (pchmod(directory.c_str(), "0755") != 0)
|
|
return -1;
|
|
if (pchown(directory.c_str(), 1000, 1000) != 0)
|
|
return -1;
|
|
if (fixAllFiles(directory, temp->uid, temp->gid, "0755") != 0)
|
|
return -1;
|
|
}
|
|
else if (dataDataDirs.at(n) == "shared_prefs") {
|
|
if (pchmod(directory.c_str(), "0771") != 0)
|
|
return -1;
|
|
if (pchown(directory.c_str(), temp->uid, temp->gid) != 0)
|
|
return -1;
|
|
if (fixAllFiles(directory, temp->uid, temp->gid, "0660") != 0)
|
|
return -1;
|
|
}
|
|
else if (dataDataDirs.at(n) == "databases") {
|
|
if (pchmod(directory.c_str(), "0771") != 0)
|
|
return -1;
|
|
if (pchown(directory.c_str(), temp->uid, temp->gid) != 0)
|
|
return -1;
|
|
if (fixAllFiles(directory, temp->uid, temp->gid, "0660") != 0)
|
|
return -1;
|
|
}
|
|
else if (dataDataDirs.at(n) == "cache") {
|
|
if (pchmod(directory.c_str(), "0771") != 0)
|
|
return -1;
|
|
if (pchown(directory.c_str(), temp->uid, temp->gid) != 0)
|
|
return -1;
|
|
if (fixAllFiles(directory, temp->uid, temp->gid, "0600") != 0)
|
|
return -1;
|
|
}
|
|
else {
|
|
if (pchmod(directory.c_str(), "0771") != 0)
|
|
return -1;
|
|
if (pchown(directory.c_str(), temp->uid, temp->gid) != 0)
|
|
return -1;
|
|
if (fixAllFiles(directory, temp->uid, temp->gid, "0755") != 0)
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
temp = temp->next;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
vector <string> fixPermissions::listAllDirectories(string path) {
|
|
DIR *dir = opendir(path.c_str());
|
|
struct dirent *entry = readdir(dir);
|
|
vector <string> dirs;
|
|
|
|
if (dir == NULL) {
|
|
LOGE("Error opening '%s'\n", path.c_str());
|
|
return dirs;
|
|
}
|
|
|
|
while (entry != NULL) {
|
|
if (entry->d_type == DT_DIR)
|
|
dirs.push_back(entry->d_name);
|
|
entry = readdir(dir);
|
|
}
|
|
closedir(dir);
|
|
return dirs;
|
|
}
|
|
|
|
vector <string> fixPermissions::listAllFiles(string path) {
|
|
DIR *dir = opendir(path.c_str());
|
|
struct dirent *entry = readdir(dir);
|
|
vector <string> files;
|
|
|
|
if (dir == NULL) {
|
|
LOGE("Error opening '%s'\n", path.c_str());
|
|
return files;
|
|
}
|
|
|
|
while (entry != NULL) {
|
|
if (entry->d_type == DT_REG)
|
|
files.push_back(entry->d_name);
|
|
entry = readdir(dir);
|
|
}
|
|
closedir(dir);
|
|
return files;
|
|
}
|
|
|
|
int fixPermissions::getPackages() {
|
|
int len = 0;
|
|
bool skiploop = false;
|
|
vector <string> skip;
|
|
string dataDir;
|
|
string name;
|
|
head = NULL;
|
|
|
|
skip.push_back("/system/framework/framework-res.apk");
|
|
skip.push_back("/system/framework/com.htc.resources.apk");
|
|
|
|
ifstream xmlFile(packageFile.c_str());
|
|
xmlFile.seekg(0, ios::end);
|
|
len = (int) xmlFile.tellg();
|
|
xmlFile.seekg(0, ios::beg);
|
|
char xmlBuf[len + 1];
|
|
xmlFile.read(&xmlBuf[0], len);
|
|
xmlBuf[len] = '\0';
|
|
xml_document<> pkgDoc;
|
|
pkgDoc.parse<parse_full>(&xmlBuf[0]);
|
|
|
|
xml_node<> * pkgNode = pkgDoc.first_node("packages");
|
|
xml_node <> * next = pkgNode->first_node("package");
|
|
|
|
if (next == NULL) {
|
|
LOGE("No packages found to fix.\n");
|
|
return -1;
|
|
}
|
|
|
|
//Get packages
|
|
while (next->first_attribute("name") != NULL) {
|
|
package* temp = new package;
|
|
for (unsigned n = 0; n < skip.size(); ++n) {
|
|
if (skip.at(n).compare(next->first_attribute("codePath")->value()) == 0) {
|
|
skiploop = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (skiploop == true) {
|
|
if (debug)
|
|
LOGI("Skipping package %s\n", next->first_attribute("codePath")->value());
|
|
free(temp);
|
|
next = next->next_sibling();
|
|
skiploop = false;
|
|
continue;
|
|
}
|
|
name.append((next->first_attribute("name")->value()));
|
|
temp->pkgName = next->first_attribute("name")->value();
|
|
if (debug)
|
|
LOGI("Loading pkg: %s\n", next->first_attribute("name")->value());
|
|
temp->codePath = next->first_attribute("codePath")->value();
|
|
temp->app = basename(next->first_attribute("codePath")->value());
|
|
temp->appDir = dirname(next->first_attribute("codePath")->value());
|
|
dataDir.append("/data/data/");
|
|
dataDir.append(name);
|
|
temp->dDir = dataDir;
|
|
if ( next->first_attribute("sharedUserId") != NULL) {
|
|
temp->uid = atoi(next->first_attribute("sharedUserId")->value());
|
|
temp->gid = atoi(next->first_attribute("sharedUserId")->value());
|
|
}
|
|
else {
|
|
temp->uid = atoi(next->first_attribute("userId")->value());
|
|
temp->gid = atoi(next->first_attribute("userId")->value());
|
|
}
|
|
next = next->next_sibling();
|
|
name.clear();
|
|
dataDir.clear();
|
|
temp->next = head;
|
|
head = temp;
|
|
}
|
|
//Get updated packages
|
|
next = pkgNode->first_node("updated-package");
|
|
if (next != NULL) {
|
|
while (next->first_attribute("name") != NULL) {
|
|
package* temp = new package;
|
|
for (unsigned n = 0; n < skip.size(); ++n) {
|
|
if (skip.at(n).compare(next->first_attribute("codePath")->value()) == 0) {
|
|
skiploop = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (skiploop == true) {
|
|
if (debug)
|
|
LOGI("Skipping package %s\n", next->first_attribute("codePath")->value());
|
|
free(temp);
|
|
next = next->next_sibling();
|
|
skiploop = false;
|
|
continue;
|
|
}
|
|
name.append((next->first_attribute("name")->value()));
|
|
temp->pkgName = next->first_attribute("name")->value();
|
|
if (debug)
|
|
LOGI("Loading pkg: %s\n", next->first_attribute("name")->value());
|
|
temp->codePath = next->first_attribute("codePath")->value();
|
|
temp->app = basename(next->first_attribute("codePath")->value());
|
|
temp->appDir = dirname(next->first_attribute("codePath")->value());
|
|
|
|
dataDir.append("/data/data/");
|
|
dataDir.append(name);
|
|
temp->dDir = dataDir;
|
|
if ( next->first_attribute("sharedUserId") != NULL) {
|
|
temp->uid = atoi(next->first_attribute("sharedUserId")->value());
|
|
temp->gid = atoi(next->first_attribute("sharedUserId")->value());
|
|
}
|
|
else {
|
|
temp->uid = atoi(next->first_attribute("userId")->value());
|
|
temp->gid = atoi(next->first_attribute("userId")->value());
|
|
}
|
|
next = next->next_sibling();
|
|
name.clear();
|
|
dataDir.clear();
|
|
temp->next = head;
|
|
head = temp;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|