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1 nishi 1 
/* $Id: modern.c 39 2024-08-22 03:38:21Z nishi $ */
2 
 
3 
#include "rv_query.h"
4 
 
5 
#include "rv_util.h"
6 
#include "rv_version.h"
3 nishi 7 
#include "rv_auth.h"
1 nishi 8 
#include "rv_db.h"
11 nishi 9 
#include "rv_repo.h"
1 nishi 10 
 
11 
#include "../../config.h"
12 
 
13 nishi 13 
#ifdef USE_ENSCRIPT
14 
#include "rv_enscript.h"
15 
#endif
16 
 
39 nishi 17 
#ifdef USE_AVATAR
18 
#include "rv_avatar.h"
19 
#endif
20 
 
7 nishi 21 
#include <stdio.h>
1 nishi 22 
#include <stdlib.h>
23 
#include <string.h>
39 nishi 24 
#include <unistd.h>
1 nishi 25 
 
26 
extern char* buffer;
27 
void add_data(char** data, const char* txt);
28 
void render_stuff();
29 
 
30 
char* title = NULL;
31 
char* desc = NULL;
32 
char* page = NULL;
10 nishi 33 
char* nav = NULL;
11 nishi 34 
char* grepouser;
6 nishi 35 
extern char* user;
1 nishi 36 
 
11 nishi 37 
char* url_escape(const char* input) {
38 
	const char hex[] = "0123456789ABCDEF";
39 
	char* r = malloc(1);
40 
	r[0] = 0;
41 
	char cbuf[2];
42 
	cbuf[1] = 0;
43 
	int i;
44 
	for(i = 0; input[i] != 0; i++) {
45 
		if(input[i] == 0x20 || input[i] == 0x22 || input[i] == 0x25 || input[i] == 0x2d || input[i] == 0x2e || input[i] == 0x3c || input[i] == 0x3e || input[i] == 0x5c || input[i] == 0x5e || input[i] == 0x5f || input[i] == 0x60 || input[i] == 0x7b || input[i] == 0x7c || input[i] == 0x7d || input[i] == 0x7e || input[i] == 0x21 || input[i] == 0x23 || input[i] == 0x24 || input[i] == 0x26 || input[i] == 0x27 || input[i] == 0x28 || input[i] == 0x29 || input[i] == 0x2a || input[i] == 0x2b || input[i] == 0x2c || input[i] == 0x2f || input[i] == 0x3a || input[i] == 0x3b || input[i] == 0x3d || input[i] == 0x3f || input[i] == 0x40 || input[i] == 0x5b || input[i] == 0x5d) {
46 
			add_data(&r, "%");
47 
			cbuf[0] = hex[(input[i] >> 4) & 0xf];
48 
			add_data(&r, cbuf);
49 
			cbuf[0] = hex[input[i] & 0xf];
50 
			add_data(&r, cbuf);
51 
		} else {
52 
			cbuf[0] = input[i];
53 
			add_data(&r, cbuf);
54 
		}
55 
	}
56 
	return r;
57 
}
58 
 
59 
char* html_escape(const char* input) {
60 
	char* r = malloc(1);
61 
	r[0] = 0;
62 
	char cbuf[2];
63 
	cbuf[1] = 0;
64 
	int i;
65 
	for(i = 0; input[i] != 0; i++) {
66 
		if(input[i] == '<') {
67 
			add_data(&r, "&lt;");
68 
		} else if(input[i] == '>') {
69 
			add_data(&r, "&gt;");
70 
		} else {
71 
			cbuf[0] = input[i];
72 
			add_data(&r, cbuf);
73 
		}
74 
	}
75 
	return r;
76 
}
77 
 
78 
char* html_escape_nl_to_br(const char* input) {
79 
	char* r = malloc(1);
80 
	r[0] = 0;
81 
	char cbuf[2];
82 
	cbuf[1] = 0;
83 
	int i;
84 
	for(i = 0; input[i] != 0; i++) {
85 
		if(input[i] == '<') {
86 
			add_data(&r, "&lt;");
87 
		} else if(input[i] == '>') {
88 
			add_data(&r, "&gt;");
89 
		} else if(input[i] == '\n') {
90 
			add_data(&r, "<br>");
91 
		} else {
92 
			cbuf[0] = input[i];
93 
			add_data(&r, cbuf);
94 
		}
95 
	}
96 
	return r;
97 
}
98 
 
99 
void list_repo(const char* name, const char* rev) {
100 
	char* showname = html_escape(name);
101 
	char* urluser = url_escape(user);
102 
	char* urlrepo = url_escape(name);
103 
	add_data(&page, "<tr>");
104 
	add_data(&page, "<td><a href=\"");
105 
	add_data(&page, INSTANCE_ROOT);
106 
	add_data(&page, "/?page=repo&reponame=");
107 
	add_data(&page, urlrepo);
108 
	add_data(&page, "&username=");
109 
	add_data(&page, urluser);
110 
	add_data(&page, "\">");
111 
	add_data(&page, showname);
112 
	add_data(&page, "</a></td>");
113 
	add_data(&page, "<td>");
114 
	add_data(&page, rev);
115 
	add_data(&page, "</td>");
116 
	add_data(&page, "</tr>");
117 
	free(showname);
118 
	free(urluser);
119 
	free(urlrepo);
120 
}
121 
 
122 
int fcounter = 0;
123 
void list_files(const char* pathname) {
124 
	if(fcounter == 0) {
125 
		add_data(&nav, "<li><a href=\"#filelist\">File List</a></li>\n");
126 
		add_data(&page, "<h2 id=\"filelist\">File List</h2>\n");
127 
		add_data(&page, "<tr style=\"background-color: #D2E1F6;\"><th>Name</th><th>Size</th></tr>\n");
12 nishi 128 
		char* path = rv_get_query("path");
129 
		if(path == NULL) path = "/";
130 
		if(strcmp(path, "/") != 0) {
131 
			char* query = rv_strdup("?page=repo&reponame=");
132 
			char* esc;
133 
			esc = url_escape(rv_get_query("reponame"));
134 
			add_data(&query, esc);
135 
			free(esc);
136 
			add_data(&query, "&username=");
15 nishi 137 
			esc = url_escape(rv_get_query("username"));
12 nishi 138 
			add_data(&query, esc);
139 
			free(esc);
140 
			add_data(&query, "&path=");
141 
 
142 
			char* urlpath = rv_strdup(path);
143 
			int i;
144 
			int counter = 0;
145 
			int rep = urlpath[strlen(urlpath) - 1] == '/' ? 2 : 1;
146 
			for(i = strlen(urlpath) - 1; i >= 0; i--) {
147 
				char oldc = urlpath[i];
148 
				urlpath[i] = 0;
149 
				if(oldc == '/') {
150 
					counter++;
151 
					if(counter == 2) {
152 
						break;
153 
					}
154 
				}
155 
			}
156 
 
157 
			if(strlen(urlpath) == 0) {
158 
				free(urlpath);
159 
				urlpath = rv_strdup("/");
160 
			}
161 
 
162 
			esc = url_escape(urlpath);
163 
			add_data(&query, esc);
164 
			free(esc);
165 
 
166 
			add_data(&page, "<tr><td><a href=\"");
167 
			add_data(&page, query);
168 
			add_data(&page, "\">../</a></td><td>&lt;DIR&gt;</td></tr>\n");
169 
			fcounter++;
170 
			free(query);
171 
		}
11 nishi 172 
	}
173 
	fcounter++;
174 
	add_data(&page, "<tr style=\"background-color: #");
175 
	if((fcounter % 2) == 0) {
176 
		add_data(&page, "D2E1C0");
177 
	} else {
178 
		add_data(&page, "FFFFFF");
179 
	}
180 
	char* path = rv_get_query("path");
181 
	if(path == NULL) path = "/";
182 
	char* query = rv_strdup("?page=repo&reponame=");
183 
	char* esc;
184 
	esc = url_escape(rv_get_query("reponame"));
185 
	add_data(&query, esc);
186 
	free(esc);
187 
	add_data(&query, "&username=");
15 nishi 188 
	esc = url_escape(rv_get_query("username"));
11 nishi 189 
	add_data(&query, esc);
190 
	free(esc);
191 
	add_data(&query, "&path=");
13 nishi 192 
	char* urlpath = rv_strcat3(path, "/", pathname);
11 nishi 193 
	esc = url_escape(urlpath);
194 
	add_data(&query, esc);
195 
	free(esc);
196 
	char* sz = malloc(128);
197 
	sprintf(sz, "%lld", rv_get_filesize(grepouser, urlpath));
198 
	add_data(&page, "\"><td><a href=\"");
199 
	add_data(&page, query);
200 
	add_data(&page, "\">");
201 
	add_data(&page, pathname);
202 
	add_data(&page, "</a></td>\n");
203 
	add_data(&page, "<td>\n");
204 
	if(strcmp(sz, "-1") != 0) {
205 
		add_data(&page, sz);
206 
	} else {
207 
		add_data(&page, "&lt;DIR&gt;");
208 
	}
209 
	add_data(&page, "</td>\n");
210 
	free(sz);
211 
	add_data(&page, "</tr>\n");
212 
	free(query);
213 
	free(urlpath);
214 
}
215 
 
39 nishi 216 
void generate_avatar(void) {
217 
	if(user != NULL) {
218 
		char* tmp = rv_strcat3(AVATAR_ROOT, "/", user);
219 
		char* path = rv_strcat(tmp, ".png");
220 
		free(tmp);
221 
		if(access(path, F_OK) != 0) {
222 
			rv_avatar_generate(path, user);
223 
		}
224 
		free(path);
225 
	}
226 
}
227 
 
3 nishi 228 
void render_page(void) {
1 nishi 229 
	rv_load_query('Q');
230 
	char* query = rv_get_query("page");
231 
	if(query == NULL) query = "welcome";
232 
 
39 nishi 233 
#ifdef USE_AVATAR
234 
	generate_avatar();
235 
#endif
236 
 
3 nishi 237 
	if(strcmp(query, "welcome") == 0) {
1 nishi 238 
		title = rv_strdup("Welcome");
239 
		desc = rv_strdup("Welcome to " INSTANCE_NAME ".");
240 
		page = rv_strcat3("Welcome to " INSTANCE_NAME ".<br>This instance is running RepoView version ", rv_get_version(), ".");
13 nishi 241 
#ifdef ALLOW_SIGNUP
242 
	} else if(strcmp(query, "signup") == 0) {
243 
		title = rv_strdup("Signup");
244 
		desc = rv_strdup("You can create your account here.");
245 
		page = rv_strdup("");
246 
 
247 
		add_data(&page, "<form action=\"");
248 
		add_data(&page, INSTANCE_ROOT);
249 
		add_data(&page, "/?page=sendsignup\" method=\"POST\">\n");
250 
		add_data(&page, "	<table border=\"0\">\n");
251 
		add_data(&page, "		<tr>\n");
252 
		add_data(&page, "			<th>Username</th>\n");
253 
		add_data(&page, "			<td>\n");
254 
		add_data(&page, "				<input name=\"username\">\n");
255 
		add_data(&page, "			</td>\n");
256 
		add_data(&page, "		</tr>\n");
257 
		add_data(&page, "		<tr>\n");
258 
		add_data(&page, "			<th>Password</th>\n");
259 
		add_data(&page, "			<td>\n");
260 
		add_data(&page, "				<input name=\"password\" type=\"password\">\n");
261 
		add_data(&page, "			</td>\n");
262 
		add_data(&page, "		</tr>\n");
263 
		add_data(&page, "	</table>\n");
264 
		char cbuf[2];
265 
		cbuf[0] = REPO_USER_DELIM;
266 
		cbuf[1] = 0;
267 
		add_data(&page, "Username cannot contain '<code>");
268 
		add_data(&page, cbuf);
22 nishi 269 
		add_data(&page, "</code>', '<code>#</code>', '<code>\\</code>', and '<code>/</code>'.<br>");
13 nishi 270 
		add_data(&page, "	<input type=\"submit\" value=\"Signup\">\n");
271 
		add_data(&page, "</form>\n");
272 
	} else if(strcmp(query, "sendsignup") == 0) {
273 
		title = rv_strdup("Signup Result");
274 
		page = rv_strdup("");
275 
 
276 
		rv_load_query('P');
277 
		if(user != NULL) {
278 
			page = rv_strdup("It looks like you are already logged in.<br>Want to <a href=\"");
279 
			add_data(&page, INSTANCE_ROOT);
280 
			add_data(&page, "/?page=logout\">log out</a>?\n");
281 
		} else if(rv_get_query("username") == NULL || rv_get_query("password") == NULL) {
282 
			add_data(&page, "Invalid form.\n");
283 
		} else {
284 
			if(rv_has_user(rv_get_query("username"))) {
285 
				add_data(&page, "User already exists.");
286 
			} else {
287 
				if(user != NULL) free(user);
288 
				int i;
289 
				bool reject = false;
290 
				char* name = rv_get_query("username");
291 
				for(i = 0; name[i] != 0; i++) {
22 nishi 292 
					if(name[i] == REPO_USER_DELIM || name[i] == '#' || name[i] == '\\' || name[i] == '/') {
13 nishi 293 
						char cbuf[2];
294 
						cbuf[0] = REPO_USER_DELIM;
295 
						cbuf[1] = 0;
296 
						add_data(&page, "Username cannot contain '<code>");
297 
						add_data(&page, cbuf);
298 
						add_data(&page, "</code>'.");
299 
						reject = true;
300 
						break;
301 
					}
302 
				}
303 
				if(!reject) {
304 
					rv_create_user(rv_get_query("username"), rv_get_query("password"));
305 
					user = rv_strdup(rv_get_query("username"));
306 
					add_data(&page, "Welcome.\n");
307 
					rv_save_login(rv_get_query("username"));
308 
				}
309 
			}
310 
		}
311 
#endif
3 nishi 312 
	} else if(strcmp(query, "login") == 0) {
1 nishi 313 
		title = rv_strdup("Login");
314 
		desc = rv_strdup("You can log in to your account here.");
315 
		page = rv_strdup("");
316 
 
317 
		add_data(&page, "<form action=\"");
318 
		add_data(&page, INSTANCE_ROOT);
319 
		add_data(&page, "/?page=sendlogin\" method=\"POST\">\n");
320 
		add_data(&page, "	<table border=\"0\">\n");
321 
		add_data(&page, "		<tr>\n");
322 
		add_data(&page, "			<th>Username</th>\n");
323 
		add_data(&page, "			<td>\n");
324 
		add_data(&page, "				<input name=\"username\">\n");
325 
		add_data(&page, "			</td>\n");
326 
		add_data(&page, "		</tr>\n");
327 
		add_data(&page, "		<tr>\n");
328 
		add_data(&page, "			<th>Password</th>\n");
329 
		add_data(&page, "			<td>\n");
330 
		add_data(&page, "				<input name=\"password\" type=\"password\">\n");
331 
		add_data(&page, "			</td>\n");
332 
		add_data(&page, "		</tr>\n");
333 
		add_data(&page, "	</table>\n");
334 
		add_data(&page, "	<input type=\"submit\" value=\"Login\">\n");
335 
		add_data(&page, "</form>\n");
3 nishi 336 
	} else if(strcmp(query, "sendlogin") == 0) {
1 nishi 337 
		title = rv_strdup("Login Result");
338 
		page = rv_strdup("");
339 
 
340 
		rv_load_query('P');
11 nishi 341 
		if(user != NULL) {
342 
			page = rv_strdup("It looks like you are already logged in.<br>Want to <a href=\"");
343 
			add_data(&page, INSTANCE_ROOT);
13 nishi 344 
			add_data(&page, "/?page=logout\">log out</a>?\n");
11 nishi 345 
		} else if(rv_get_query("username") == NULL || rv_get_query("password") == NULL) {
5 nishi 346 
			add_data(&page, "Invalid form.\n");
3 nishi 347 
		} else {
348 
			if(rv_has_user(rv_get_query("username"))) {
5 nishi 349 
				if(rv_check_password(rv_get_query("username"), rv_get_query("password"))) {
6 nishi 350 
					if(user != NULL) free(user);
351 
					user = rv_strdup(rv_get_query("username"));
5 nishi 352 
					add_data(&page, "Welcome back.\n");
353 
					rv_save_login(rv_get_query("username"));
354 
				} else {
355 
					add_data(&page, "Invalid password.");
356 
				}
3 nishi 357 
			} else {
5 nishi 358 
				add_data(&page, "User does not exist.");
1 nishi 359 
			}
360 
		}
7 nishi 361 
	} else if(strcmp(query, "sendlogout") == 0) {
362 
		title = rv_strdup("Logout Result");
363 
		page = rv_strdup("");
364 
		if(user == NULL) {
365 
			add_data(&page, "You were not logged in.\n");
366 
		} else {
367 
			rv_logout();
368 
			add_data(&page, "Goodbye.\n");
369 
			free(user);
370 
			user = NULL;
371 
		}
27 nishi 372 
#ifdef USE_MYPAGE
6 nishi 373 
	} else if(strcmp(query, "mypage") == 0) {
374 
		title = rv_strdup("My Page");
375 
		desc = rv_strdup("You manage your information here.");
376 
		if(user == NULL) {
377 
			page = rv_strdup("It looks like you are not logged in.<br>Want to <a href=\"");
378 
			add_data(&page, INSTANCE_ROOT);
379 
			add_data(&page, "/?page=login\">log in</a>?\n");
39 nishi 380 
		} else {
381 
			page = rv_strdup("");
382 
			add_data(&page, "<h2 id=\"youricon\">Your Icon</h2>\n");
383 
			add_data(&page, "<a href=\"");
384 
			add_data(&page, WWW_AVATAR_ROOT);
385 
			add_data(&page, "/");
386 
			add_data(&page, user);
387 
			add_data(&page, ".png\"><img src=\"");
388 
			add_data(&page, WWW_AVATAR_ROOT);
389 
			add_data(&page, "/");
390 
			add_data(&page, user);
391 
			add_data(&page, ".png\" alt=\"Your Icon\"></a>");
392 
			add_data(&page, "<form action=\"");
393 
			add_data(&page, INSTANCE_ROOT);
394 
			add_data(&page, "/?page=uploadpfp\" method=\"POST\" enctype=\"multipart/form-data\">\n");
395 
			add_data(&page, "	<input type=\"file\" name=\"pfp\">\n");
396 
			add_data(&page, "	<input type=\"submit\" value=\"Upload\">\n");
397 
			add_data(&page, "</form>\n");
6 nishi 398 
		}
27 nishi 399 
#endif
9 nishi 400 
	} else if(strcmp(query, "myrepo") == 0) {
401 
		title = rv_strdup("My Repositories");
402 
		desc = rv_strdup("You manage your repositories here.");
403 
		if(user == NULL) {
404 
			page = rv_strdup("It looks like you are not logged in.<br>Want to <a href=\"");
405 
			add_data(&page, INSTANCE_ROOT);
406 
			add_data(&page, "/?page=login\">log in</a>?\n");
10 nishi 407 
		} else {
11 nishi 408 
			char cbuf[2];
409 
			cbuf[0] = REPO_USER_DELIM;
410 
			cbuf[1] = 0;
10 nishi 411 
			nav = rv_strdup("");
412 
			add_data(&nav, "<li><a href=\"#createrepo\">Create a repository</a></li>\n");
413 
			add_data(&nav, "<li><a href=\"#repolist\">Repository List</a></li>\n");
414 
			page = rv_strdup("");
415 
			add_data(&page, "<h2 id=\"createrepo\">Create a repository</h2>\n");
416 
			add_data(&page, "<form action=\"");
417 
			add_data(&page, INSTANCE_ROOT);
418 
			add_data(&page, "/?page=createrepo\" method=\"POST\">\n");
419 
			add_data(&page, "	<table border=\"0\">\n");
420 
			add_data(&page, "		<tr>\n");
421 
			add_data(&page, "			<th>Repository name</th>\n");
422 
			add_data(&page, "			<td>\n");
423 
			add_data(&page, "				<input name=\"name\">\n");
424 
			add_data(&page, "			</td>\n");
425 
			add_data(&page, "			<td><input type=\"submit\" value=\"Create\"></td>\n");
426 
			add_data(&page, "		</tr>\n");
427 
			add_data(&page, "	</table>\n");
11 nishi 428 
			add_data(&page, "Repository name cannot contain '<code>");
429 
			add_data(&page, cbuf);
22 nishi 430 
			add_data(&page, "</code>', '<code>#</code>', '<code>\\</code>', and '<code>/</code>'.");
10 nishi 431 
			add_data(&page, "</form>\n");
432 
			add_data(&page, "<h2 id=\"repolist\">Repository List</h2>\n");
11 nishi 433 
			add_data(&page, "<table border=\"0\">\n");
434 
			add_data(&page, "<tr><th>Repository name</th><th>Revision</th></tr>\n");
435 
			rv_repo_list(user, list_repo);
436 
			add_data(&page, "</table>\n");
9 nishi 437 
		}
11 nishi 438 
	} else if(strcmp(query, "createrepo") == 0) {
439 
		title = rv_strdup("Creating Repository Result");
440 
		page = rv_strdup("");
441 
 
442 
		rv_load_query('P');
443 
		if(user == NULL) {
444 
			page = rv_strdup("It looks like you are not logged in.<br>Want to <a href=\"");
445 
			add_data(&page, INSTANCE_ROOT);
446 
			add_data(&page, "/?page=login\">log in</a>?\n");
447 
		} else if(rv_get_query("name") == NULL) {
448 
			add_data(&page, "Invalid form.\n");
449 
		} else {
450 
			int i;
451 
			bool reject = false;
452 
			char* name = rv_get_query("name");
453 
			for(i = 0; name[i] != 0; i++) {
22 nishi 454 
				if(name[i] == REPO_USER_DELIM || name[i] == '#' || name[i] == '\\' || name[i] == '/') {
11 nishi 455 
					char cbuf[2];
456 
					cbuf[0] = REPO_USER_DELIM;
457 
					cbuf[1] = 0;
458 
					add_data(&page, "Repository name cannot contain '<code>");
459 
					add_data(&page, cbuf);
460 
					add_data(&page, "</code>'.");
461 
					reject = true;
462 
					break;
463 
				}
464 
			}
465 
			if(!reject) {
466 
				char* ru = rv_construct_repouser(name, user);
467 
				if(rv_repo_exists(ru)) {
468 
					add_data(&page, "Repository already exists.");
469 
				} else {
470 
					char* esc;
471 
					rv_create_repo(ru);
472 
					add_data(&page, "Repository has been created.<br>\n");
473 
					add_data(&page, "<a href=\"");
474 
					add_data(&page, INSTANCE_ROOT);
475 
					esc = url_escape(name);
476 
					add_data(&page, "/?page=repo&reponame=");
477 
					add_data(&page, esc);
478 
					free(esc);
479 
					esc = url_escape(user);
480 
					add_data(&page, "&username=");
481 
					add_data(&page, esc);
482 
					free(esc);
483 
					add_data(&page, "\">Go to the repository</a>.\n");
484 
				}
485 
				free(ru);
486 
			}
487 
		}
7 nishi 488 
	} else if(strcmp(query, "logout") == 0) {
489 
		title = rv_strdup("Logout");
490 
		desc = rv_strdup("You can log out from your account here.");
491 
		if(user == NULL) {
492 
			page = rv_strdup("It looks like you are not logged in.<br>Want to <a href=\"");
493 
			add_data(&page, INSTANCE_ROOT);
494 
			add_data(&page, "/?page=login\">log in</a>?\n");
495 
		} else {
496 
			page = rv_strdup("");
497 
			add_data(&page, "Are you sure you want to log out?\n");
498 
			add_data(&page, "<form method=\"POST\" action=\"");
499 
			add_data(&page, INSTANCE_ROOT);
500 
			add_data(&page, "/?page=sendlogout\">\n");
501 
			add_data(&page, "	<input type=\"submit\" value=\"Yes\">\n");
502 
			add_data(&page, "</form>\n");
503 
		}
11 nishi 504 
	} else if(strcmp(query, "repo") == 0) {
505 
		title = rv_strdup("Repository");
506 
		desc = rv_strdup("");
507 
		page = rv_strdup("");
508 
		nav = rv_strdup("");
15 nishi 509 
		rv_load_query('Q');
11 nishi 510 
		if(rv_get_query("username") == NULL || rv_get_query("reponame") == NULL) {
511 
			add_data(&page, "Required parameters not set.");
512 
		} else {
15 nishi 513 
			char* ruser = rv_get_query("username");
11 nishi 514 
			char* repo = rv_get_query("reponame");
15 nishi 515 
			char* repouser = rv_construct_repouser(repo, ruser);
11 nishi 516 
			grepouser = repouser;
517 
			if(rv_repo_exists(repouser)) {
15 nishi 518 
				char* showuser = html_escape(ruser);
11 nishi 519 
				char* showrepo = html_escape(repo);
520 
				char* showreadme = rv_get_readme(repouser);
521 
				desc = html_escape_nl_to_br(showreadme);
522 
				add_data(&title, " - ");
32 nishi 523 
				add_data(&title, showuser);
524 
				add_data(&title, "/");
11 nishi 525 
				add_data(&title, showrepo);
526 
				free(showuser);
527 
				free(showrepo);
528 
				free(showreadme);
15 nishi 529 
#ifdef WWW_SVN_ROOT
16 nishi 530 
				add_data(&nav, "<li><a href=\"#repoinfo\">Info</a></li>\n");
15 nishi 531 
				add_data(&page, "<h2 id=\"repoinfo\">Info</h2>\n");
532 
				add_data(&page, "<a href=\"");
533 
				add_data(&page, WWW_SVN_ROOT);
534 
				add_data(&page, "/");
535 
				char* escru = url_escape(repouser);
536 
				add_data(&page, escru);
537 
				free(escru);
538 
				add_data(&page, "\">Raw repository</a>");
539 
#endif
11 nishi 540 
 
541 
				int isdir;
542 
				char* path = rv_get_query("path");
543 
				if(path == NULL) path = "/";
544 
				fcounter = 0;
545 
				add_data(&page, "<table border=\"0\" style=\"width: 100%;\">");
15 nishi 546 
				bool rej = false;
11 nishi 547 
				if(!rv_get_list(repouser, path, list_files, &isdir)) {
548 
					add_data(&page, "<tr><td>Path not found.</td></tr>\n");
15 nishi 549 
					rej = true;
11 nishi 550 
				}
551 
				add_data(&page, "</table>");
15 nishi 552 
				if(isdir == 0 && !rej) {
11 nishi 553 
					add_data(&nav, "<li><a href=\"#filecontent\">Content</a></li>");
554 
					add_data(&page, "<h2 id=\"filecontent\">Content</h2>\n");
555 
					add_data(&page, "<pre class=\"codeblock\"><code>");
13 nishi 556 
#ifdef USE_ENSCRIPT
557 
					int i;
558 
					char* ext = NULL;
559 
					for(i = strlen(path) - 1; i >= 0; i--) {
560 
						if(path[i] == '.') {
561 
							ext = path + i + 1;
562 
							break;
563 
						}
564 
					}
565 
					char* data = rv_enscript(repouser, path, ext);
566 
					if(data != NULL) {
567 
						add_data(&page, data);
568 
						free(data);
569 
					} else {
570 
						data = rv_read_file(repouser, path);
571 
						if(data != NULL) {
572 
							char* esc = html_escape_nl_to_br(data);
573 
							add_data(&page, esc);
574 
							free(esc);
575 
							free(data);
576 
						} else {
577 
							add_data(&page, "Cannot open the file.\n");
578 
						}
579 
					}
580 
#else
11 nishi 581 
					char* data = rv_read_file(repouser, path);
12 nishi 582 
					if(data != NULL) {
583 
						char* esc = html_escape_nl_to_br(data);
584 
						add_data(&page, esc);
585 
						free(esc);
586 
						free(data);
587 
					} else {
588 
						add_data(&page, "Cannot open the file.\n");
589 
					}
13 nishi 590 
#endif
11 nishi 591 
					add_data(&page, "</code></pre>");
592 
				}
15 nishi 593 
				if(user != NULL && strcmp(user, ruser) == 0) {
594 
					char* esc;
595 
					add_data(&nav, "<li><a href=\"#managerepo\">Manage The Repository</a></li>\n");
596 
					add_data(&page, "<h2 id=\"managerepo\">Manage The Repository</h2>\n");
597 
					add_data(&page, "<form action=\"");
598 
					add_data(&page, INSTANCE_ROOT);
599 
					add_data(&page, "/?page=sendmanrepo&username=");
600 
					esc = url_escape(ruser);
601 
					add_data(&page, esc);
602 
					free(esc);
603 
					add_data(&page, "&reponame=");
21 nishi 604 
					esc = url_escape(repo);
15 nishi 605 
					add_data(&page, esc);
606 
					free(esc);
607 
					add_data(&page, "\" method=\"POST\">\n");
608 
					add_data(&page, "<table border=\"0\" style=\"width: 100%;\">\n");
609 
					add_data(&page, "	<tr>\n");
610 
					add_data(&page, "		<th>README</th>\n");
611 
					add_data(&page, "		<td>\n");
612 
					add_data(&page, "			<textarea name=\"readme\" style=\"width: 100%;resize: none;height: 128px;\">\n");
613 
					char* readme = rv_get_readme(repouser);
614 
					esc = html_escape(readme);
615 
					add_data(&page, esc);
616 
					free(esc);
617 
					free(readme);
618 
					add_data(&page, "			</textarea>\n");
619 
					add_data(&page, "		</td>\n");
620 
					add_data(&page, "	</tr>\n");
621 
					add_data(&page, "</table>\n");
622 
					add_data(&page, "<input type=\"submit\" value=\"Send\">\n");
623 
					add_data(&page, "</form>\n");
624 
					add_data(&page, "<a href=\"");
625 
					add_data(&page, INSTANCE_ROOT);
626 
					add_data(&page, "/?page=deleterepo&username=");
627 
					esc = url_escape(ruser);
628 
					add_data(&page, esc);
629 
					free(esc);
630 
					add_data(&page, "&reponame=");
631 
					esc = url_escape(ruser);
632 
					add_data(&page, esc);
633 
					free(esc);
634 
					add_data(&page, "\">\n");
635 
					add_data(&page, "Delete repository\n");
636 
					add_data(&page, "</a>\n");
637 
				}
11 nishi 638 
			} else {
639 
				add_data(&page, "Repository does not exist.\n");
640 
			}
641 
			free(repouser);
642 
		}
15 nishi 643 
	} else if(strcmp(query, "deleterepo") == 0) {
644 
		title = rv_strdup("Delete The Repository");
645 
		page = rv_strdup("");
646 
 
647 
		rv_load_query('Q');
648 
		if(user == NULL) {
649 
			add_data(&page, "It looks like you are not logged in.<br>Want to <a href=\"");
650 
			add_data(&page, INSTANCE_ROOT);
651 
			add_data(&page, "/?page=login\">log in</a>?\n");
652 
		} else if(rv_get_query("username") == NULL || rv_get_query("reponame") == NULL) {
653 
			add_data(&page, "Invalid Form.\n");
654 
		} else {
655 
			char* esc;
656 
			add_data(&page, "Are you sure you want to delete the repository?\n");
657 
			add_data(&page, "<form method=\"POST\" action=\"");
658 
			add_data(&page, INSTANCE_ROOT);
659 
			add_data(&page, "/?page=senddeleterepo&username=");
660 
			esc = url_escape(rv_get_query("username"));
661 
			add_data(&page, esc);
662 
			free(esc);
663 
			add_data(&page, "&reponame=");
664 
			esc = url_escape(rv_get_query("reponame"));
665 
			add_data(&page, esc);
666 
			free(esc);
667 
			add_data(&page, "\">");
668 
			add_data(&page, "	<input type=\"submit\" value=\"Yes\">\n");
669 
			add_data(&page, "</form>\n");
670 
		}
671 
	} else if(strcmp(query, "senddeleterepo") == 0) {
672 
		title = rv_strdup("Deleting Repository Result");
673 
		page = rv_strdup("");
674 
 
675 
		rv_load_query('Q');
676 
		if(user == NULL) {
677 
			add_data(&page, "It looks like you are not logged in.<br>Want to <a href=\"");
678 
			add_data(&page, INSTANCE_ROOT);
679 
			add_data(&page, "/?page=login\">log in</a>?\n");
680 
		} else if(rv_get_query("username") == NULL || rv_get_query("reponame") == NULL) {
681 
			add_data(&page, "Invalid Form.\n");
682 
		} else if(strcmp(rv_get_query("username"), user) != 0) {
683 
			add_data(&page, "You are not the owner of the repository.\n");
684 
		} else {
685 
			char* repouser = rv_construct_repouser(rv_get_query("reponame"), rv_get_query("username"));
686 
			if(rv_repo_exists(repouser)) {
687 
				rv_remove_repo(repouser);
688 
				add_data(&page, "Deleted the repository successfully.<br>\n");
689 
			} else {
690 
				add_data(&page, "Repository does not exist.<br>\n");
691 
			}
692 
		}
693 
	} else if(strcmp(query, "sendmanrepo") == 0) {
694 
		title = rv_strdup("Modifying Repository Result");
695 
		page = rv_strdup("");
696 
 
697 
		rv_load_query('Q');
698 
		if(user == NULL) {
699 
			add_data(&page, "It looks like you are not logged in.<br>Want to <a href=\"");
700 
			add_data(&page, INSTANCE_ROOT);
701 
			add_data(&page, "/?page=login\">log in</a>?\n");
702 
		} else if(rv_get_query("username") == NULL || rv_get_query("reponame") == NULL) {
703 
			add_data(&page, "Invalid Form.\n");
704 
		} else if(strcmp(rv_get_query("username"), user) != 0) {
705 
			add_data(&page, "You are not the owner of the repository.\n");
706 
		} else {
707 
			char* esc;
708 
			rv_load_query('P');
709 
			char* readme = rv_get_query("readme");
710 
			if(readme != NULL) {
711 
				rv_load_query('Q');
712 
				char* name = rv_construct_repouser(rv_get_query("reponame"), rv_get_query("username"));
713 
				rv_set_readme(name, readme);
714 
				free(name);
715 
			}
716 
			rv_load_query('Q');
717 
			add_data(&page, "Modified the repository successfully.<br>\n");
718 
			add_data(&page, "<a href=\"");
719 
			add_data(&page, INSTANCE_ROOT);
720 
			add_data(&page, "?page=repo&username=");
721 
			esc = url_escape(rv_get_query("username"));
722 
			add_data(&page, esc);
723 
			free(esc);
724 
			add_data(&page, "&reponame=");
725 
			esc = url_escape(rv_get_query("reponame"));
726 
			add_data(&page, esc);
727 
			free(esc);
728 
			add_data(&page, "\">Go back to the repository</a>.\n");
729 
		}
1 nishi 730 
	}
731 
 
732 
	if(title == NULL) title = rv_strdup("");
733 
	if(desc == NULL) desc = rv_strdup("");
734 
	if(page == NULL) page = rv_strdup("");
10 nishi 735 
	if(nav == NULL) nav = rv_strdup("");
39 nishi 736 
 
737 
#ifdef USE_AVATAR
738 
	generate_avatar();
739 
#endif
740 
 
1 nishi 741 
	render_stuff();
15 nishi 742 
freeall:
1 nishi 743 
	free(page);
744 
	free(desc);
745 
	free(title);
10 nishi 746 
	free(nav);
1 nishi 747 
}
748 
 
3 nishi 749 
char* escape(const char* str) {
1 nishi 750 
	char* r = malloc(1);
751 
	r[0] = 0;
752 
	char cbuf[2];
753 
	cbuf[1] = 0;
754 
	int i;
3 nishi 755 
	for(i = 0; str[i] != 0; i++) {
756 
		if(str[i] == '<') {
1 nishi 757 
			char* tmp = r;
758 
			r = rv_strcat(tmp, "&lt;");
759 
			free(tmp);
3 nishi 760 
		} else if(str[i] == '>') {
1 nishi 761 
			char* tmp = r;
762 
			r = rv_strcat(tmp, "&gt;");
763 
			free(tmp);
3 nishi 764 
		} else {
1 nishi 765 
			cbuf[0] = str[i];
766 
			char* tmp = r;
767 
			r = rv_strcat(tmp, cbuf);
768 
			free(tmp);
769 
		}
770 
	}
771 
	return r;
772 
}
773 
 
3 nishi 774 
void render_stuff(void) {
1 nishi 775 
	char* escaped;
776 
	add_data(&buffer, "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01//EN\" \"http://www.w3.org/TR/html4/strict.dtd\">\n");
777 
	add_data(&buffer, "<html>\n");
778 
	add_data(&buffer, "	<head>\n");
779 
	add_data(&buffer, "		<meta http-equiv=\"Content-Type\" content=\"text/html;charset=utf-8\">\n");
780 
	add_data(&buffer, "		<title>");
781 
	add_data(&buffer, INSTANCE_NAME);
782 
	add_data(&buffer, " - ");
783 
	add_data(&buffer, title);
784 
	add_data(&buffer, "</title>\n");
785 
	add_data(&buffer, "		<style type=\"text/css\">\n");
786 
	add_data(&buffer, "* {\n");
787 
	add_data(&buffer, "	padding: 0;\n");
788 
	add_data(&buffer, "	margin: 0;\n");
789 
	add_data(&buffer, "}\n");
790 
	add_data(&buffer, "li {\n");
791 
	add_data(&buffer, "	list-style: outside;\n");
792 
	add_data(&buffer, "	margin-left: 1.25em;\n");
793 
	add_data(&buffer, "}\n");
794 
	add_data(&buffer, "a {\n");
795 
	add_data(&buffer, "	text-decoration: none;\n");
796 
	add_data(&buffer, "}\n");
797 
	add_data(&buffer, "#nav div {\n");
798 
	add_data(&buffer, "	float: left;\n");
799 
	add_data(&buffer, "	margin: 0 0;\n");
800 
	add_data(&buffer, "	padding-left: 0;\n");
9 nishi 801 
	add_data(&buffer, "	padding-right: 25px;\n");
1 nishi 802 
	add_data(&buffer, "	padding-top: 7px;\n");
803 
	add_data(&buffer, "}\n");
11 nishi 804 
	add_data(&buffer, "th,td {\n");
805 
	add_data(&buffer, "	padding: 2px;\n");
806 
	add_data(&buffer, "}\n");
1 nishi 807 
	add_data(&buffer, "body {\n");
808 
	add_data(&buffer, "	background-color: #1F4677;\n");
809 
	add_data(&buffer, "	width: 940px;\n");
810 
	add_data(&buffer, "	margin: 5px auto;\n");
811 
	add_data(&buffer, "	font-family: sans-serif;\n");
812 
	add_data(&buffer, "}\n");
813 
	add_data(&buffer, "#nav {\n");
814 
	add_data(&buffer, "	background-color: white;\n");
6 nishi 815 
	add_data(&buffer, "	background-image: url('");
816 
	add_data(&buffer, INSTANCE_NAVBAR);
817 
	add_data(&buffer, "');\n");
1 nishi 818 
	add_data(&buffer, "	height: 44px;\n");
819 
	add_data(&buffer, "	padding: 8px;\n");
820 
	add_data(&buffer, "	padding-left: 32px;\n");
821 
	add_data(&buffer, "	font-size: 22px;\n");
822 
	add_data(&buffer, "	font-weight: bold;\n");
823 
	add_data(&buffer, "}\n");
11 nishi 824 
	add_data(&buffer, "pre {\n");
825 
	add_data(&buffer, "	background-color: #dddddd;\n");
826 
	add_data(&buffer, "	border: solid 2px #bbbbbb;\n");
12 nishi 827 
	add_data(&buffer, "	padding: 8px;\n");
828 
	add_data(&buffer, "	overflow: scroll;\n");
11 nishi 829 
	add_data(&buffer, "}\n");
1 nishi 830 
	add_data(&buffer, "#index {\n");
831 
	add_data(&buffer, "	list-style: none;\n");
832 
	add_data(&buffer, "	line-height: normal;\n");
833 
	add_data(&buffer, "	margin: auto 0;\n");
834 
	add_data(&buffer, "	padding-left: 0;\n");
835 
	add_data(&buffer, "}\n");
836 
	add_data(&buffer, "#desc {\n");
837 
	add_data(&buffer, "	background-color: #D2E1F6;\n");
838 
	add_data(&buffer, "	margin: 9px auto;\n");
839 
	add_data(&buffer, "	height: 128px;\n");
840 
	add_data(&buffer, "	padding: 24px;\n");
841 
	add_data(&buffer, "}\n");
842 
	add_data(&buffer, "#descinside {\n");
843 
	add_data(&buffer, "	float: left;\n");
11 nishi 844 
	add_data(&buffer, "	width: 700px;\n");
845 
	add_data(&buffer, "	overflow-y: scroll;\n");
846 
	add_data(&buffer, "	max-height: 128px;\n");
1 nishi 847 
	add_data(&buffer, "}\n");
848 
	add_data(&buffer, "#logo {\n");
849 
	add_data(&buffer, "	float: right;\n");
850 
	add_data(&buffer, "}\n");
851 
	add_data(&buffer, "#content {\n");
852 
	add_data(&buffer, "	background-color: #FFFFFF;\n");
853 
	add_data(&buffer, "	margin: -10px auto;\n");
854 
	add_data(&buffer, "	padding: 8px 24px 24px;\n");
855 
	add_data(&buffer, "}\n");
856 
	add_data(&buffer, "#pageindex {\n");
857 
	add_data(&buffer, "	background-color: #FFFFFF;\n");
858 
	add_data(&buffer, "	padding-right: 24px;\n");
859 
	add_data(&buffer, "	padding-bottom: 24px;\n");
860 
	add_data(&buffer, "	float: left;\n");
861 
	add_data(&buffer, "	border-right: 4px #1F4677 solid;\n");
862 
	add_data(&buffer, "	width: 150px;\n");
863 
	add_data(&buffer, "}\n");
864 
	add_data(&buffer, "#pagecontent {\n");
865 
	add_data(&buffer, "	background-color: #FFFFFF;\n");
866 
	add_data(&buffer, "	width: 670px;\n");
867 
	add_data(&buffer, "	float: right;\n");
868 
	add_data(&buffer, "	padding-left: 24px;\n");
869 
	add_data(&buffer, "}\n");
870 
	add_data(&buffer, "#footer {\n");
871 
	add_data(&buffer, "	background-color: #D2E1F6;\n");
872 
	add_data(&buffer, "	padding: 8px 8px 48px;\n");
873 
	add_data(&buffer, "	margin: 8px auto;\n");
874 
	add_data(&buffer, "	font-size: 15px;\n");
875 
	add_data(&buffer, "	height: 32px;\n");
876 
	add_data(&buffer, "}\n");
877 
	add_data(&buffer, ".fixfloat {\n");
878 
	add_data(&buffer, "	clear: both;\n");
879 
	add_data(&buffer, "}\n");
880 
	add_data(&buffer, "#copyright {\n");
881 
	add_data(&buffer, "	float: right;\n");
882 
	add_data(&buffer, "	font-size: 10px;\n");
883 
	add_data(&buffer, "	margin-top: 16px;\n");
884 
	add_data(&buffer, "}\n");
885 
	add_data(&buffer, "#gotop {\n");
886 
	add_data(&buffer, "	position: absolute;\n");
887 
	add_data(&buffer, "}\n");
888 
	add_data(&buffer, "h2, h3 {\n");
889 
	add_data(&buffer, "	padding-top: 8px;\n");
890 
	add_data(&buffer, "	padding-bottom: 8px;\n");
891 
	add_data(&buffer, "}\n");
892 
	add_data(&buffer, "img {\n");
893 
	add_data(&buffer, "	border: none;\n");
894 
	add_data(&buffer, "}\n");
895 
	add_data(&buffer, "		</style>\n");
896 
	add_data(&buffer, "	</head>\n");
897 
	add_data(&buffer, "	<body>\n");
898 
	add_data(&buffer, "		<div id=\"nav\">\n");
899 
	add_data(&buffer, "			<div>\n");
900 
	add_data(&buffer, "				<a href=\"");
901 
	add_data(&buffer, INSTANCE_ROOT);
902 
	add_data(&buffer, "/\">Home</a>\n");
903 
	add_data(&buffer, "			</div>\n");
5 nishi 904 
	if(user == NULL) {
905 
		add_data(&buffer, "			<div>\n");
906 
		add_data(&buffer, "				<a href=\"");
907 
		add_data(&buffer, INSTANCE_ROOT);
908 
		add_data(&buffer, "/?page=login\">Login</a>\n");
909 
		add_data(&buffer, "			</div>\n");
13 nishi 910 
#ifdef ALLOW_SIGNUP
911 
		add_data(&buffer, "			<div>\n");
912 
		add_data(&buffer, "				<a href=\"");
913 
		add_data(&buffer, INSTANCE_ROOT);
914 
		add_data(&buffer, "/?page=signup\">Signup</a>\n");
915 
		add_data(&buffer, "			</div>\n");
916 
#endif
7 nishi 917 
	} else {
27 nishi 918 
#ifdef USE_MYPAGE
7 nishi 919 
		add_data(&buffer, "			<div>\n");
920 
		add_data(&buffer, "				<a href=\"");
921 
		add_data(&buffer, INSTANCE_ROOT);
9 nishi 922 
		add_data(&buffer, "/?page=mypage\">My Page</a>\n");
923 
		add_data(&buffer, "			</div>\n");
27 nishi 924 
#endif
9 nishi 925 
 
926 
		add_data(&buffer, "			<div>\n");
927 
		add_data(&buffer, "				<a href=\"");
928 
		add_data(&buffer, INSTANCE_ROOT);
929 
		add_data(&buffer, "/?page=myrepo\">My Repositories</a>\n");
930 
		add_data(&buffer, "			</div>\n");
931 
 
932 
		add_data(&buffer, "			<div>\n");
933 
		add_data(&buffer, "				<a href=\"");
934 
		add_data(&buffer, INSTANCE_ROOT);
7 nishi 935 
		add_data(&buffer, "/?page=logout\">Logout</a>\n");
936 
		add_data(&buffer, "			</div>\n");
5 nishi 937 
	}
6 nishi 938 
	if(user != NULL) {
939 
		add_data(&buffer, "<div style=\"float: right;font-size: 10px;padding-top: 36px;padding-right: 0;font-style: italic;\">You have logged in as <a href=\"");
940 
		add_data(&buffer, INSTANCE_ROOT);
941 
		add_data(&buffer, "/?page=mypage\">");
942 
		add_data(&buffer, user);
943 
		add_data(&buffer, "</a></div>");
944 
	}
1 nishi 945 
	add_data(&buffer, "		</div>\n");
946 
	add_data(&buffer, "		<div id=\"desc\">\n");
947 
	add_data(&buffer, "			<div id=\"descinside\">\n");
948 
	add_data(&buffer, "				<h1>");
949 
	add_data(&buffer, title);
950 
	add_data(&buffer, "</h1>\n");
951 
	add_data(&buffer, "				<p>\n");
952 
	add_data(&buffer, desc);
953 
	add_data(&buffer, "				</p>\n");
954 
	add_data(&buffer, "			</div>\n");
955 
	add_data(&buffer, "			<img id=\"logo\" src=\"");
956 
	add_data(&buffer, INSTANCE_LOGO);
957 
	add_data(&buffer, "\" height=\"128px\" alt=\"logo\">\n");
958 
	add_data(&buffer, "		</div>\n");
959 
	add_data(&buffer, "		<div id=\"content\">\n");
960 
	add_data(&buffer, "			<div id=\"pageindex\">\n");
961 
	add_data(&buffer, "				<h3>Page Menu</h3>\n");
962 
	add_data(&buffer, "				<ul>\n");
10 nishi 963 
	add_data(&buffer, nav);
1 nishi 964 
	add_data(&buffer, "				</ul>\n");
965 
	add_data(&buffer, "			</div>\n");
966 
	add_data(&buffer, "			<div id=\"pagecontent\">\n");
967 
	add_data(&buffer, page);
968 
	add_data(&buffer, "			</div>\n");
11 nishi 969 
	add_data(&buffer, "			<div class=\"fixfloat\"></div>\n");
1 nishi 970 
	add_data(&buffer, "		</div>\n");
971 
	add_data(&buffer, "		<div id=\"footer\">\n");
972 
	add_data(&buffer, "			<div id=\"gotop\">\n");
973 
	add_data(&buffer, "				<a href=\"#top\">Top</a>\n");
974 
	add_data(&buffer, "			</div>\n");
975 
	add_data(&buffer, "			<div id=\"copyright\">\n");
976 
	add_data(&buffer, "				");
977 
	escaped = escape(INSTANCE_ADMIN);
978 
	add_data(&buffer, escaped);
979 
	free(escaped);
980 
	add_data(&buffer, "\n");
981 
	add_data(&buffer, "			</div>\n");
982 
	add_data(&buffer, "			<div class=\"fixfloat\"></div>\n");
15 nishi 983 
#ifdef INSTANCE_BANNERS
984 
	add_data(&buffer, "			<div id=\"banners\" style=\"clear: both;\">\n");
985 
	add_data(&buffer, INSTANCE_BANNERS);
986 
	add_data(&buffer, "			</div>\n");
987 
#else
988 
	add_data(&buffer, "			<div class=\"fixfloat\"></div>\n");
989 
#endif
1 nishi 990 
	add_data(&buffer, "		</div>\n");
991 
	add_data(&buffer, "	</body>\n");
992 
	add_data(&buffer, "</html>\n");
5 nishi 993 
	if(user != NULL) free(user);
1 nishi 994 
}