1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
|
/*
Copyright 2012 to 2016 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/>.
*/
extern "C"
{
#include "digest/md5.h"
#include "libcrecovery/common.h"
}
#include <vector>
#include <string>
#include <sstream>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <string.h>
#include <libgen.h>
#include <errno.h>
#include <fcntl.h>
#include <fstream>
#include <sys/mman.h>
#include "twcommon.h"
#include "data.hpp"
#include "variables.h"
#include "twrp-functions.hpp"
#include "twrpDigest.hpp"
#include "set_metadata.h"
#include "gui/gui.hpp"
using namespace std;
void twrpDigest::setfn(const string& fn) {
md5fn = fn;
}
void twrpDigest::initMD5(void) {
MD5Init(&md5c);
md5string = "";
}
int twrpDigest::updateMD5stream(unsigned char* stream, int len) {
if (md5fn.empty()) {
MD5Update(&md5c, stream, len);
}
else {
return -1;
}
return 0;
}
void twrpDigest::finalizeMD5stream() {
MD5Final(md5sum, &md5c);
}
string twrpDigest::createMD5string() {
int i;
char hex[3];
for (i = 0; i < 16; ++i) {
snprintf(hex, 3, "%02x", md5sum[i]);
md5string += hex;
}
if (!md5fn.empty()) {
md5string += " ";
md5string += basename((char*) md5fn.c_str());
md5string += + "\n";
}
return md5string;
}
int twrpDigest::computeMD5(void) {
string line;
FILE *file;
int len;
unsigned char buf[1024];
initMD5();
file = fopen(md5fn.c_str(), "rb");
if (file == NULL)
return MD5_NOT_FOUND;
while ((len = fread(buf, 1, sizeof(buf), file)) > 0) {
MD5Update(&md5c, buf, len);
}
fclose(file);
MD5Final(md5sum, &md5c);
return 0;
}
int twrpDigest::write_md5digest(void) {
string md5file, md5str;
md5file = md5fn + ".md5";
md5str = createMD5string();
TWFunc::write_file(md5file, md5str);
tw_set_default_metadata(md5file.c_str());
LOGINFO("MD5 for %s: %s\n", md5fn.c_str(), md5str.c_str());
return 0;
}
int twrpDigest::read_md5digest(void) {
size_t i = 0;
bool foundMd5File = false;
string md5file = "";
vector<string> md5ext;
md5ext.push_back(".md5");
md5ext.push_back(".md5sum");
while (i < md5ext.size()) {
md5file = md5fn + md5ext[i];
if (TWFunc::Path_Exists(md5file)) {
foundMd5File = true;
break;
}
i++;
}
if (!foundMd5File)
return MD5_NOT_FOUND;
if (TWFunc::read_file(md5file, line) != 0)
return MD5_FILE_UNREADABLE;
return 0;
}
int twrpDigest::verify_md5digest(void) {
string buf;
char hex[3];
int i, ret;
string md5str;
ret = read_md5digest();
if (ret != 0)
return ret;
stringstream ss(line);
vector<string> tokens;
while (ss >> buf)
tokens.push_back(buf);
computeMD5();
for (i = 0; i < 16; ++i) {
snprintf(hex, 3, "%02x", md5sum[i]);
md5str += hex;
}
if (tokens.empty() || tokens.at(0) != md5str)
return MD5_MATCH_FAIL;
return MD5_OK;
}
|
