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bigbiff bigbiff34684ff2013-12-01 21:03:45 -05001/*
Ethan Yonker3fdcda42016-11-30 12:29:37 -06002 Copyright 2013 to 2016 TeamWin
bigbiff bigbiff34684ff2013-12-01 21:03:45 -05003 This file is part of TWRP/TeamWin Recovery Project.
4
5 TWRP is free software: you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation, either version 3 of the License, or
8 (at your option) any later version.
9
10 TWRP is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with TWRP. If not, see <http://www.gnu.org/licenses/>.
17*/
18
19extern "C" {
20 #include "libtar/libtar.h"
21}
22#include <sys/types.h>
23#include <sys/stat.h>
Ethan Yonker3fdcda42016-11-30 12:29:37 -060024#include <dirent.h>
bigbiff bigbiff34684ff2013-12-01 21:03:45 -050025#include <errno.h>
bigbiff bigbiff34684ff2013-12-01 21:03:45 -050026#include <string>
27#include <vector>
Ethan Yonker3fdcda42016-11-30 12:29:37 -060028#include "exclude.hpp"
Vojtech Bocek05f87d62014-03-11 22:08:23 +010029#include "twrp-functions.hpp"
Ethan Yonker74db1572015-10-28 12:44:49 -050030#include "gui/gui.hpp"
Ethan Yonker3fdcda42016-11-30 12:29:37 -060031#include "twcommon.h"
bigbiff bigbiff34684ff2013-12-01 21:03:45 -050032
33using namespace std;
34
Ethan Yonker6277c792014-09-15 14:54:30 -050035extern bool datamedia;
36
Ethan Yonker3fdcda42016-11-30 12:29:37 -060037TWExclude::TWExclude() {
Ethan Yonker6277c792014-09-15 14:54:30 -050038 add_relative_dir(".");
39 add_relative_dir("..");
40 add_relative_dir("lost+found");
bigbiff bigbiff34684ff2013-12-01 21:03:45 -050041}
42
Ethan Yonker3fdcda42016-11-30 12:29:37 -060043void TWExclude::add_relative_dir(const string& dir) {
bigbiff bigbiff34684ff2013-12-01 21:03:45 -050044 relativedir.push_back(dir);
45}
46
Ethan Yonker3fdcda42016-11-30 12:29:37 -060047void TWExclude::clear_relative_dir(string dir) {
bigbiff bigbiffc7360dd2014-01-25 15:02:57 -050048 vector<string>::iterator iter = relativedir.begin();
49 while (iter != relativedir.end()) {
50 if (*iter == dir)
51 iter = relativedir.erase(iter);
52 else
53 iter++;
54 }
55}
56
Ethan Yonker3fdcda42016-11-30 12:29:37 -060057void TWExclude::add_absolute_dir(const string& dir) {
Vojtech Bocek05f87d62014-03-11 22:08:23 +010058 absolutedir.push_back(TWFunc::Remove_Trailing_Slashes(dir));
bigbiff bigbiff34684ff2013-12-01 21:03:45 -050059}
60
Ethan Yonker3fdcda42016-11-30 12:29:37 -060061uint64_t TWExclude::Get_Folder_Size(const string& Path) {
bigbiff bigbiff34684ff2013-12-01 21:03:45 -050062 DIR* d;
63 struct dirent* de;
64 struct stat st;
Matt Mower2f1b2ab2014-03-20 20:20:13 -050065 uint64_t dusize = 0;
Ethan Yonker82ce2812014-09-04 13:36:45 -050066 string FullPath;
bigbiff bigbiff34684ff2013-12-01 21:03:45 -050067
68 d = opendir(Path.c_str());
69 if (d == NULL) {
Ethan Yonker74db1572015-10-28 12:44:49 -050070 gui_msg(Msg(msg::kError, "error_opening_strerr=Error opening: '{1}' ({2})")(Path)(strerror(errno)));
bigbiff bigbiff34684ff2013-12-01 21:03:45 -050071 return 0;
72 }
73
Matt Mower2f1b2ab2014-03-20 20:20:13 -050074 while ((de = readdir(d)) != NULL) {
Ethan Yonker82ce2812014-09-04 13:36:45 -050075 FullPath = Path + "/";
76 FullPath += de->d_name;
77 if (lstat(FullPath.c_str(), &st)) {
Ethan Yonker74db1572015-10-28 12:44:49 -050078 gui_msg(Msg(msg::kError, "error_opening_strerr=Error opening: '{1}' ({2})")(FullPath)(strerror(errno)));
79 LOGINFO("Real error: Unable to stat '%s'\n", FullPath.c_str());
Ethan Yonker82ce2812014-09-04 13:36:45 -050080 continue;
81 }
82 if ((st.st_mode & S_IFDIR) && !check_skip_dirs(FullPath) && de->d_type != DT_SOCK) {
83 dusize += Get_Folder_Size(FullPath);
84 } else if (st.st_mode & S_IFREG) {
bigbiff bigbiff34684ff2013-12-01 21:03:45 -050085 dusize += (uint64_t)(st.st_size);
86 }
87 }
88 closedir(d);
89 return dusize;
90}
91
Ethan Yonker3fdcda42016-11-30 12:29:37 -060092bool TWExclude::check_relative_skip_dirs(const string& dir) {
Vojtech Bocek05f87d62014-03-11 22:08:23 +010093 return std::find(relativedir.begin(), relativedir.end(), dir) != relativedir.end();
94}
95
Ethan Yonker3fdcda42016-11-30 12:29:37 -060096bool TWExclude::check_absolute_skip_dirs(const string& path) {
Matt Mower50248ab2014-03-31 15:58:40 -050097 return std::find(absolutedir.begin(), absolutedir.end(), path) != absolutedir.end();
Vojtech Bocek05f87d62014-03-11 22:08:23 +010098}
99
Ethan Yonker3fdcda42016-11-30 12:29:37 -0600100bool TWExclude::check_skip_dirs(const string& path) {
Vojtech Bocek05f87d62014-03-11 22:08:23 +0100101 string normalized = TWFunc::Remove_Trailing_Slashes(path);
102 size_t slashIdx = normalized.find_last_of('/');
103 if(slashIdx != std::string::npos && slashIdx+1 < normalized.size()) {
104 if(check_relative_skip_dirs(normalized.substr(slashIdx+1)))
105 return true;
bigbiff bigbiff34684ff2013-12-01 21:03:45 -0500106 }
Vojtech Bocek05f87d62014-03-11 22:08:23 +0100107 return check_absolute_skip_dirs(normalized);
bigbiff bigbiff34684ff2013-12-01 21:03:45 -0500108}