#include "vger.c"

int
main(int argc, char **argv)
{
	char 		request[GEMINI_REQUEST_MAX]    = {'\0'};
	char 		user[_SC_LOGIN_NAME_MAX]       = {'\0'};
	char 		hostname[GEMINI_REQUEST_MAX]   = {'\0'};
	char 		path[GEMINI_REQUEST_MAX]       = {'\0'};
	char 		query[GEMINI_REQUEST_MAX]      = {'\0'};
	char		cgi_dir[PATH_MAX]              = {'\0'};
	char		rel_cgi_dir[PATH_MAX]          = {'\0'};
	char 		chroot_dir[PATH_MAX]           = DEFAULT_CHROOT;
	char		tmp[PATH_MAX]                  = {'\0'};
	int		option                         = 0;
	int		virtualhost                    = 0;

	/*
	 * request : contain the whole request from client : gemini://...\r\n
	 * user : username, used in drop_privileges()
	 * hostname : extracted from hostname. used with virtualhosts and cgi SERVER_NAME
	 * query : after a ? in cgi : gemini://...?query
	 */

	while ((option = getopt(argc, argv, ":d:l:m:u:c:vi")) != -1) {
		switch (option) {
		case 'd':
			esnprintf(chroot_dir, sizeof(chroot_dir), "%s", optarg);
			break;
		case 'l':
			esnprintf(lang, sizeof(lang), "lang=%s", optarg);
			break;
		case 'm':
			esnprintf(default_mime, sizeof(default_mime), "%s", optarg);
			break;
		case 'u':
			esnprintf(user, sizeof(user), "%s", optarg);
			break;
		case 'c':
			esnprintf(rel_cgi_dir, sizeof(rel_cgi_dir), "%s", optarg);
			/* remove leading / */
			while (*rel_cgi_dir == '/')
				memmove(rel_cgi_dir, rel_cgi_dir+1,
					strlen(rel_cgi_dir)); // strlen +1-1
			break;
		case 'v':
			virtualhost = 1;
			break;
		case 'i':
			doautoidx = 1;
			break;
		}
	}

	read_request(request);
	split_request(request, hostname, path, query);

	/* do chroot if an user is supplied */
	if (*user)
		drop_privileges(user);

	/* set actual chroot_dir */
	if (virtualhost) {
		esnprintf(tmp, sizeof(tmp), "%s/%s", chroot_dir, hostname);
		esnprintf(chroot_dir, sizeof(chroot_dir), "%s", tmp);
	}

	/* cgi_dir is in chroot_dir */
	if (*rel_cgi_dir)
		esnprintf(cgi_dir, sizeof(cgi_dir),
			"%s/%s", chroot_dir, rel_cgi_dir);

	set_rootdir(chroot_dir, cgi_dir, user);

	if (strlen(path) == 0) { /* this is root dir */
		esnprintf(path, sizeof(path), "./");
	} else {
		uridecode(path);
		remove_double_dot(path);
	}

	uridecode(query);

	/* is it cgi ? */
	if (*cgi_dir)
		if (do_cgi(rel_cgi_dir, path, hostname, query) == 0)
			stop(EXIT_SUCCESS, NULL);
	/* *** from here, cgi didn't run *** */

	/* check if path available */
	check_path(path, sizeof(path));

	/* regular file to stdout */
	display_file(path);

	stop(EXIT_SUCCESS, NULL);
}