aboutsummaryrefslogtreecommitdiffstats
path: root/main.c
blob: cd368dfca07f7bc5a44a224db1d5e69967f2bcc0 (plain)
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
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <sys/wait.h>
#include <getopt.h>
#include <dirent.h>

#include "easydir.h"
#include "handerror.h"
#include "implementation.h"

//#define DEBUG
#define MINLEN_PASSWORD 1
#define MAXLEN_PASSWORD 128
#define STANDARD_AMOUNT_GENERATE_SYMBOLS 10
#define LOCKPASS_DIR "/.lock-password/"
#define STORAGEPASS_DIR "Password-Storage/"
#define GPGKEY_FILE "/.gpg-key"

#define HASH_INIT 6385337657
#define HASH_HELP 6385292014
#define HASH_VERSION 229486327000139
#define HASH_COPY 6385123360
#define HASH_EDIT 6385183019
#define HASH_MOVE 249844339311324255
#define HASH_GENERATE 7572409341523952
#define HASH_INSERT 6953633055386
#define HASH_REMOVE 6953974396019
#define HASH_DELETE 6953426453624
#define WITHOUT_ARGUMENTS 1

// == global var == 
char *gPath_rootdir;

static void cmd_init(int argc, char *argv[])
{
	char *gpg_key = argv[2];

	if(gpg_key == NULL)
		printError("Use: lpass init [gpg key]\n");

	// create main directory:
	int len_init_storage = strlen(gPath_rootdir) + strlen(GPGKEY_FILE) + 1; // +1 for '\0'
	char *path_init_storage = (char *) malloc(sizeof(char) * len_init_storage);

	strcpy(path_init_storage, gPath_rootdir);
	
	int pid = fork();
	if(pid == -1) callError(100);
	if(pid == 0) { /* new process */
		execlp("mkdir", "mkdir", "-vp", path_init_storage, NULL);
		perror("mkdir");
		exit(4);
	}
	wait(&pid);

	strcat(path_init_storage, GPGKEY_FILE);

	// create .gpg-key in storage
	FILE *filekey;
	filekey = fopen(path_init_storage, "w");	
	if(filekey == NULL) {
		callError(122);
	}
	fputs(gpg_key, filekey);
	fclose(filekey);

	free(path_init_storage);
	printf("LockPassword initialized successfully\n");
}

static void cmd_copy(int argc, char *argv[])
{
	printf("Coming soon...\n");
}

static void cmd_edit(int argc, char *argv[])
{
	char *path_to_password = argv[2];

	if(path_to_password == NULL)
		printError("Use: lpass edit [path to password]\n");

	if(checkFileExist(path_to_password) == 0) {
		printError("lpass: No such file exists\n");
	}

	/* ask user about change pass */
	int buffSize = (strlen("Do you want edit password in '' (Y/N)?") + strlen(path_to_password)) * sizeof(char) + sizeof(char);
	char *str = malloc(buffSize);
	snprintf(str, buffSize, "Do you want edit password in '%s' (Y/N)?", path_to_password);

	if(getAnswer(str) != 1) {
		free(str);
		exit(EXIT_SUCCESS);
	}
	free(str);

	if(userEnterPassword(MINLEN_PASSWORD, MAXLEN_PASSWORD, path_to_password) == 1)
		printf("Password updated successfully for %s\n", path_to_password);
	else
		printf("Passwords do not match\n");
}

static void cmd_generate(int argc, char *argv[])
{
	char *len_pass = argv[2];
	char *path_to_password = argv[argc-1];

	if(checkFileExist(path_to_password) == 1) {
		// ask user about change pass 
		int buffSize = (strlen("Do you want generate new password and paste it in '' (Y/N)?") + strlen(path_to_password)) * sizeof(char) + sizeof(char);
		char *str = malloc(buffSize);

		snprintf(str, buffSize, "Do you want generate new password and paste it in '%s' (Y/N)?", path_to_password);
		
		int answer = getAnswer(str);
		free(str);

		if(answer != 1)
			exit(EXIT_FAILURE);
	}

	int n_symbols = 0;
	if(strcmp(len_pass, path_to_password) == 0)
		n_symbols = STANDARD_AMOUNT_GENERATE_SYMBOLS;
	else n_symbols = atoi(len_pass);


	if(n_symbols < MINLEN_PASSWORD || n_symbols > MAXLEN_PASSWORD) {
		printError("lpass: you typed an incorrect number");
	}

	// generate password 
	char gpass[MAXLEN_PASSWORD];
	generatePassword(gpass, n_symbols, MAXLEN_PASSWORD);

	insertPass(path_to_password, gpass);
	printf("Generated password: %s\n", gpass);
	printf("Password added successfully for %s\n", path_to_password);
}

static void cmd_insert(int argc, char *argv[])
{
	char *path_to_password = argv[2];
	if(path_to_password == NULL)
		printError("Use: lpass insert [path to password]\n");

	if(checkFileExist(path_to_password) == 1)
		printError("To change pass use: lpass change [path to password]\n");
			
	if(userEnterPassword(MINLEN_PASSWORD, MAXLEN_PASSWORD, path_to_password) == 1)
		printf("Password added successfully for %s\n", path_to_password);
	else
		printf("Passwords do not match\n");
}

static void cmd_showtree(char *path)
{
	if(opendir(path) != NULL) { // if it's directory
		int pid;
		pid = fork();
		if(pid == -1) callError(101);
		if(pid == 0) { /* new process */
			execlp("tree", "tree", "-C", "--noreport", path, NULL);
			perror("tree");
			exit(4);
		}
		wait(&pid);
	}
	else {
		char password[MAXLEN_PASSWORD];
		getPassword(path, password, MAXLEN_PASSWORD);
		printf("%s\n", password);
	}
}

static void cmd_help()
{

}

static void cmd_version()
{

}

int main(int argc, char *argv[])
{
	if(!isatty(0)) { // stdin
		printError("lpass: Please, use a terminal to run this program\n");
	}

	/* init global path to root directory */
	int len_rootdir = strlen(getenv("HOME")) + strlen(LOCKPASS_DIR) + strlen(STORAGEPASS_DIR) + 1; // +1 for '\0'

	gPath_rootdir = (char *) malloc(sizeof(char) * len_rootdir);
	strcpy(gPath_rootdir, getenv("HOME"));
	strcat(gPath_rootdir, LOCKPASS_DIR);
	strcat(gPath_rootdir, STORAGEPASS_DIR);
	/* end init */

	unsigned long ihash = WITHOUT_ARGUMENTS;
	if(argv[1] != NULL)
		ihash = hash(argv[1]);

	if( (chdir(gPath_rootdir) != 0) && (ihash != HASH_INIT) ) {
		printError("Before starting work, you must initialize LockPassword\nUse: lpass init [gpg key]\n");
	}

	switch(ihash)
	{
		case HASH_INIT: {
			cmd_init(argc, argv);
			break;
		}
		case HASH_COPY: {
			cmd_copy(argc, argv);
			break;
		}
		case HASH_EDIT: {
			cmd_edit(argc, argv);
			break;
		}
		case HASH_MOVE:
			break;
		case HASH_GENERATE: {
			cmd_generate(argc, argv);
			break;
		}
		case HASH_INSERT: {
			cmd_insert(argc, argv);
			break;
		}
		case HASH_REMOVE:
		case HASH_DELETE: {
			printf("borrr\n");
			break;
		}
		case HASH_HELP: {
			cmd_help();
			break;
		}
		case HASH_VERSION: {
			cmd_version();
			break;
		}
		default:
		{
			int newlen_rootdir = len_rootdir - strlen(STORAGEPASS_DIR) - 1;
			gPath_rootdir[newlen_rootdir-1] = '\0';

			if(chdir(gPath_rootdir) != 0)
				callError(123);

			char *ptr;
			if(ihash == WITHOUT_ARGUMENTS) {
				ptr = malloc(sizeof(char) * (strlen(STORAGEPASS_DIR)+1) );
				strcpy(ptr, STORAGEPASS_DIR);
			}
			else {
				int buff_tree = strlen(STORAGEPASS_DIR) + strlen(argv[argc-1]) + 1;
				ptr = malloc(sizeof(char) * buff_tree);
				strcpy(ptr, STORAGEPASS_DIR);
				strcat(ptr, argv[argc-1]);
			}
			cmd_showtree(ptr);

			free(ptr);
			break;
		}
	}

	free(gPath_rootdir);
	return EXIT_SUCCESS;

	/*char rootPath = "";
	int result = 0;
	if(result != -1)
	{
		switch(result) {
		case 'g': {
			char *passPath = argv[argc-1];
			char *lenPass = optarg;

			if(checkFileExist(passPath) == 1) {
				// ask user about change pass 
				int buffSize = (strlen("Do you want generate new password and paste it in '' (Y/N)?") + strlen(passPath)) * sizeof(char) + sizeof(char);
				char *str = malloc(buffSize);

				snprintf(str, buffSize, "Do you want generate new password and paste it in '%s' (Y/N)?", passPath);
				if(getAnswer(str) != 1) {
					// free(str);
					return 0;
				}
				free(str);
			}

			int n_symbols = 0;
			if(strcmp(lenPass, passPath) == 0)
				n_symbols = STANDARD_AMOUNT_GENERATE_SYMBOLS;
			else n_symbols = atoi(lenPass);


			if(n_symbols < 1 || n_symbols > 127) {
				printError("lpass: you typed an incorrect number");
			}

			// generate password 
			char gpass[MAXLEN_PASSWORD];
			generatePassword(gpass, n_symbols, MAXLEN_PASSWORD);

			insertPass(rootPath, passPath, gpass);
			printf("Generated password: %s\n", gpass);
			printf("Password added successfully for %s\n", passPath);

			break;
		}
		case 'R': {
			if(checkFileExist(optarg) == 0) {
				printError("lpass: No such file exists\n");
			}

			// check working
			char *main_path, *file_path;
			main_path = (char *) malloc( sizeof(char) * (strlen(optarg)+1) );
			file_path = (char *) malloc( sizeof(char) * (strlen(optarg)+1) );

			if(splitPath(optarg, main_path, file_path) == NULL) { // check correct input
				printError("lpass: The path you specified is incorrect\n");
			}

			if(deleteFile(optarg)) {
				deleteEmptyDir(main_path);
			}

			free(main_path);
			free(file_path);
			break;
		}
	}*/
}