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
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
|
#include <stdio.h>
#include <stdlib.h>
#include <libgen.h>
#include <unistd.h>
#include <termios.h>
#include <string.h>
#include <time.h>
#include <errno.h>
#include <sys/stat.h>
#include "xstd.h"
#include "easydir.h"
#include "implementation.h"
/* define in implementation.h */
// GPG_PUBLICKEY_MAXLENGTH NNNN
// == global var ==
extern char *gPath_subdir; // example: programming/github.com
extern char *gPath_pass; // example: programming/github.com/joursoir.gpg
static void copyText(char *password)
{
char *simple_path = malloc(sizeof(char) * (5 + 1));
strcpy(simple_path, ".pass");
if(getenv("DISPLAY") != NULL)
{
FILE *f_pass;
f_pass = fopen(simple_path, "w");
if(f_pass == NULL) {
callError(130);
}
fputs(password, f_pass);
fclose(f_pass);
char *xclip[] = {"xclip", "-selection", "clipboard", "-i", simple_path, NULL};
easyFork("xclip", xclip);
remove(simple_path);
free(simple_path);
}
else if(getenv("WAYLAND_DISPLAY") != NULL)
{
char *wl_copy[] = {"wl-copy", password, NULL};
easyFork("wl-copy", wl_copy);
}
else printError("Error: No X11 or Wayland");
#if defined(DEBUG)
printf("Password copied to clipboard\n");
#endif
}
/* check two dot in path */
int checkForbiddenPaths(char *path)
{
int i, length;
int firstdot = 0;
for(i = 0, length = strlen(path); i < length; i++)
{
if(path[i] == '.') {
if(firstdot)
return 1;
firstdot++;
}
else firstdot = 0;
}
return 0;
}
char *getGPGKey()
{
int size_gpgkey = sizeof(char) * GPG_PUBLICKEY_MAXLENGTH;
char *pub_gpgkey = malloc(size_gpgkey + sizeof(char));
FILE *fileGPG = fopen(".gpg-key", "r");
if(fileGPG == NULL) {
if(errno == ENOENT)
printError("error: No GPG key exists. Use \"lpass init\".");
callError(121);
}
if(!fgets(pub_gpgkey, size_gpgkey, fileGPG)) {
callError(122);
}
fclose(fileGPG);
return pub_gpgkey;
}
char* getPassword(char *path_pass, char *password, size_t size, int flag_copy)
{
char *public_gpgkey = getGPGKey();
char *arguments[] = {"gpg", "-d", "--quiet", "-r", public_gpgkey, "-o", path_pass, gPath_pass, NULL};
easyFork("gpg", arguments);
FILE *filePass = fopen(path_pass, "r");
if(filePass == NULL) callError(127);
if(!fgets(password, size, filePass)) {
callError(111);
}
fclose(filePass);
if(flag_copy) copyText(password);
remove(path_pass);
free(public_gpgkey);
return password;
}
void nonvisibleEnter(int status)
{
struct termios term_settings;
tcgetattr(0, &term_settings); // get current settings
if(status == 1)
term_settings.c_lflag &= ~ECHO; // flag reset
else
term_settings.c_lflag |= ECHO;
tcsetattr(0, TCSANOW, &term_settings);
}
static void mkdir_recursive(const char *path)
{
char *subpath, *fullpath;
fullpath = strdup(path);
subpath = dirname(fullpath);
if(subpath[0] != '.')
mkdir_recursive(subpath);
mkdir(path, S_IRWXU);
free(fullpath);
}
int insertPass(char *path, char *password, int flag_copy)
{
char *public_gpgkey = getGPGKey();
// create directories
char *tmp, *dirs_path;
tmp = strdup(path);
dirs_path = dirname(tmp);
if(dirs_path[0] != '.')
mkdir_recursive(dirs_path);
free(tmp);
// create file, copy password there
FILE *file_pass;
file_pass = fopen(path, "w");
if(file_pass == NULL) {
free(public_gpgkey);
return 1;
}
fputs(password, file_pass);
fclose(file_pass);
if(flag_copy)
copyText(password);
// encryption
char *encrypt_arg[] = {"gpg", "--quiet", "--yes", "-r", public_gpgkey, "-e", path, NULL};
easyFork("gpg", encrypt_arg);
remove(path);
free(public_gpgkey);
return 0;
}
char *getInput(int minlen, int maxlen)
{
size_t size = sizeof(char) * maxlen;
char *pass = malloc(size + sizeof(char)); // +1 for '\0'
int len;
if(fgets(pass, size, stdin) == NULL) {
free(pass);
return NULL;
}
len = strlen(pass);
if(len < minlen) {
free(pass);
return NULL;
}
if(pass[len-1] == '\n')
pass[len-1] = '\0';
return pass;
}
char *generatePassword(char *dest, int amount)
{
int i, min = 33, max = 126;
char password[amount];
srand(time(NULL));
for(i = 0; i < amount; i++)
password[i] = min + rand() % (max-min);
strcpy(dest, password);
return dest;
}
static void clearStdinBuff()
{
char garbage;
while( (garbage = fgetc(stdin)) != '\n' && garbage != EOF )
;
}
int getOverwriteAnswer(char *path)
{
int answer;
printf("Password for \"%s\" exists. Overwrite? (Y/N)\n", path);
while((answer = fgetc(stdin)))
{
clearStdinBuff();
switch(answer)
{
case 'Y':
case 'y': return OW_YES;
case 'N':
case 'n': return OW_NO;
case EOF: printError("Error: Unexpected end of file\n");
default: { printf("Overwrite? (Y/N) "); break; }
}
}
return 2;
}
|
