/ext/phar/phar_object.c

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/*
  +----------------------------------------------------------------------+
  | phar php single-file executable PHP extension                        |
  +----------------------------------------------------------------------+
  | Copyright (c) The PHP Group                                          |
  +----------------------------------------------------------------------+
  | This source file is subject to version 3.01 of the PHP license,      |
  | that is bundled with this package in the file LICENSE, and is        |
  | available through the world-wide-web at the following url:           |
  | https://www.php.net/license/3_01.txt                                 |
  | If you did not receive a copy of the PHP license and are unable to   |
  | obtain it through the world-wide-web, please send a note to          |
  | license@php.net so we can mail you a copy immediately.               |
  +----------------------------------------------------------------------+
  | Authors: Gregory Beaver <cellog@php.net>                             |
  |          Marcus Boerger <helly@php.net>                              |
  +----------------------------------------------------------------------+
*/

#include "phar_internal.h"
#include "func_interceptors.h"
#include "phar_object_arginfo.h"

static zend_class_entry *phar_ce_archive;
static zend_class_entry *phar_ce_data;
static zend_class_entry *phar_ce_PharException;
static zend_class_entry *phar_ce_entry;

static int phar_file_type(HashTable *mimes, char *file, char **mime_type) /* {{{ */
{
	char *ext;
	phar_mime_type *mime;
	ext = strrchr(file, '.');
	if (!ext) {
		*mime_type = "text/plain";
		/* no file extension = assume text/plain */
		return PHAR_MIME_OTHER;
	}
	++ext;
	if (NULL == (mime = zend_hash_str_find_ptr(mimes, ext, strlen(ext)))) {
		*mime_type = "application/octet-stream";
		return PHAR_MIME_OTHER;
	}
	*mime_type = mime->mime;
	return mime->type;
}
/* }}} */

static void phar_mung_server_vars(char *fname, char *entry, size_t entry_len, char *basename, size_t request_uri_len) /* {{{ */
{
	HashTable *_SERVER;
	zval *stuff;
	char *path_info;
	size_t basename_len = strlen(basename);
	size_t code;
	zval temp;

	/* "tweak" $_SERVER variables requested in earlier call to Phar::mungServer() */
	if (Z_TYPE(PG(http_globals)[TRACK_VARS_SERVER]) == IS_UNDEF) {
		return;
	}

	_SERVER = Z_ARRVAL(PG(http_globals)[TRACK_VARS_SERVER]);

	/* PATH_INFO and PATH_TRANSLATED should always be munged */
	if (NULL != (stuff = zend_hash_str_find(_SERVER, "PATH_INFO", sizeof("PATH_INFO")-1))) {
		path_info = Z_STRVAL_P(stuff);
		code = Z_STRLEN_P(stuff);
		if (code > (size_t)entry_len && !memcmp(path_info, entry, entry_len)) {
			ZVAL_STR(&temp, Z_STR_P(stuff));
			ZVAL_STRINGL(stuff, path_info + entry_len, request_uri_len);
			zend_hash_str_update(_SERVER, "PHAR_PATH_INFO", sizeof("PHAR_PATH_INFO")-1, &temp);
		}
	}

	if (NULL != (stuff = zend_hash_str_find(_SERVER, "PATH_TRANSLATED", sizeof("PATH_TRANSLATED")-1))) {
		zend_string *str = strpprintf(4096, "phar://%s%s", fname, entry);

		ZVAL_STR(&temp, Z_STR_P(stuff));
		ZVAL_NEW_STR(stuff, str);

		zend_hash_str_update(_SERVER, "PHAR_PATH_TRANSLATED", sizeof("PHAR_PATH_TRANSLATED")-1, &temp);
	}

	if (!PHAR_G(phar_SERVER_mung_list)) {
		return;
	}

	if (PHAR_G(phar_SERVER_mung_list) & PHAR_MUNG_REQUEST_URI) {
		if (NULL != (stuff = zend_hash_str_find(_SERVER, "REQUEST_URI", sizeof("REQUEST_URI")-1))) {
			path_info = Z_STRVAL_P(stuff);
			code = Z_STRLEN_P(stuff);
			if (code > basename_len && !memcmp(path_info, basename, basename_len)) {
				ZVAL_STR(&temp, Z_STR_P(stuff));
				ZVAL_STRINGL(stuff, path_info + basename_len, code - basename_len);
				zend_hash_str_update(_SERVER, "PHAR_REQUEST_URI", sizeof("PHAR_REQUEST_URI")-1, &temp);
			}
		}
	}

	if (PHAR_G(phar_SERVER_mung_list) & PHAR_MUNG_PHP_SELF) {
		if (NULL != (stuff = zend_hash_str_find(_SERVER, "PHP_SELF", sizeof("PHP_SELF")-1))) {
			path_info = Z_STRVAL_P(stuff);
			code = Z_STRLEN_P(stuff);

			if (code > basename_len && !memcmp(path_info, basename, basename_len)) {
				ZVAL_STR(&temp, Z_STR_P(stuff));
				ZVAL_STRINGL(stuff, path_info + basename_len, code - basename_len);
				zend_hash_str_update(_SERVER, "PHAR_PHP_SELF", sizeof("PHAR_PHP_SELF")-1, &temp);
			}
		}
	}

	if (PHAR_G(phar_SERVER_mung_list) & PHAR_MUNG_SCRIPT_NAME) {
		if (NULL != (stuff = zend_hash_str_find(_SERVER, "SCRIPT_NAME", sizeof("SCRIPT_NAME")-1))) {
			ZVAL_STR(&temp, Z_STR_P(stuff));
			ZVAL_STRINGL(stuff, entry, entry_len);
			zend_hash_str_update(_SERVER, "PHAR_SCRIPT_NAME", sizeof("PHAR_SCRIPT_NAME")-1, &temp);
		}
	}

	if (PHAR_G(phar_SERVER_mung_list) & PHAR_MUNG_SCRIPT_FILENAME) {
		if (NULL != (stuff = zend_hash_str_find(_SERVER, "SCRIPT_FILENAME", sizeof("SCRIPT_FILENAME")-1))) {
			zend_string *str = strpprintf(4096, "phar://%s%s", fname, entry);

			ZVAL_STR(&temp, Z_STR_P(stuff));
			ZVAL_NEW_STR(stuff, str);

			zend_hash_str_update(_SERVER, "PHAR_SCRIPT_FILENAME", sizeof("PHAR_SCRIPT_FILENAME")-1, &temp);
		}
	}
}
/* }}} */

static int phar_file_action(phar_archive_data *phar, phar_entry_info *info, char *mime_type, int code, char *entry, size_t entry_len, char *arch, char *basename, char *ru, size_t ru_len) /* {{{ */
{
	char *name = NULL, buf[8192];
	const char *cwd;
	zend_syntax_highlighter_ini syntax_highlighter_ini;
	sapi_header_line ctr = {0};
	size_t got;
	zval dummy;
	size_t name_len;
	zend_file_handle file_handle;
	zend_op_array *new_op_array;
	zval result;
	php_stream *fp;
	zend_off_t position;

	switch (code) {
		case PHAR_MIME_PHPS:
			efree(basename);
			/* highlight source */
			if (entry[0] == '/') {
				spprintf(&name, 4096, "phar://%s%s", arch, entry);
			} else {
				spprintf(&name, 4096, "phar://%s/%s", arch, entry);
			}
			php_get_highlight_struct(&syntax_highlighter_ini);

			highlight_file(name, &syntax_highlighter_ini);

			efree(name);
#ifdef PHP_WIN32
			efree(arch);
#endif
			zend_bailout();
		case PHAR_MIME_OTHER:
			/* send headers, output file contents */
			efree(basename);
			ctr.line_len = spprintf((char **) &(ctr.line), 0, "Content-type: %s", mime_type);
			sapi_header_op(SAPI_HEADER_REPLACE, &ctr);
			efree((void *) ctr.line);
			ctr.line_len = spprintf((char **) &(ctr.line), 0, "Content-length: %u", info->uncompressed_filesize);
			sapi_header_op(SAPI_HEADER_REPLACE, &ctr);
			efree((void *) ctr.line);

			if (FAILURE == sapi_send_headers()) {
				zend_bailout();
			}

			/* prepare to output  */
			fp = phar_get_efp(info, 1);

			if (!fp) {
				char *error;
				if (!phar_open_jit(phar, info, &error)) {
					if (error) {
						zend_throw_exception_ex(phar_ce_PharException, 0, "%s", error);
						efree(error);
					}
					return -1;
				}
				fp = phar_get_efp(info, 1);
			}
			position = 0;
			phar_seek_efp(info, 0, SEEK_SET, 0, 1);

			do {
				got = php_stream_read(fp, buf, MIN(8192, info->uncompressed_filesize - position));
				if (got > 0) {
					PHPWRITE(buf, got);
					position += got;
					if (position == (zend_off_t) info->uncompressed_filesize) {
						break;
					}
				}
			} while (1);

			zend_bailout();
		case PHAR_MIME_PHP:
			if (basename) {
				phar_mung_server_vars(arch, entry, entry_len, basename, ru_len);
				efree(basename);
			}

			if (entry[0] == '/') {
				name_len = spprintf(&name, 4096, "phar://%s%s", arch, entry);
			} else {
				name_len = spprintf(&name, 4096, "phar://%s/%s", arch, entry);
			}

			zend_stream_init_filename(&file_handle, name);

			PHAR_G(cwd) = NULL;
			PHAR_G(cwd_len) = 0;

			ZVAL_NULL(&dummy);
			if (zend_hash_str_add(&EG(included_files), name, name_len, &dummy) != NULL) {
				if ((cwd = zend_memrchr(entry, '/', entry_len))) {
					PHAR_G(cwd_init) = 1;
					if (entry == cwd) {
						/* root directory */
						PHAR_G(cwd_len) = 0;
						PHAR_G(cwd) = NULL;
					} else if (entry[0] == '/') {
						PHAR_G(cwd_len) = (cwd - (entry + 1));
						PHAR_G(cwd) = estrndup(entry + 1, PHAR_G(cwd_len));
					} else {
						PHAR_G(cwd_len) = (cwd - entry);
						PHAR_G(cwd) = estrndup(entry, PHAR_G(cwd_len));
					}
				}

				new_op_array = zend_compile_file(&file_handle, ZEND_REQUIRE);

				if (!new_op_array) {
					zend_hash_str_del(&EG(included_files), name, name_len);
				}
			} else {
				efree(name);
				new_op_array = NULL;
			}

			zend_destroy_file_handle(&file_handle);
#ifdef PHP_WIN32
			efree(arch);
#endif
			if (new_op_array) {
				ZVAL_UNDEF(&result);

				zend_try {
					zend_execute(new_op_array, &result);
					if (PHAR_G(cwd)) {
						efree(PHAR_G(cwd));
						PHAR_G(cwd) = NULL;
						PHAR_G(cwd_len) = 0;
					}

					PHAR_G(cwd_init) = 0;
					efree(name);
					destroy_op_array(new_op_array);
					efree(new_op_array);
					zval_ptr_dtor(&result);
				} zend_catch {
					if (PHAR_G(cwd)) {
						efree(PHAR_G(cwd));
						PHAR_G(cwd) = NULL;
						PHAR_G(cwd_len) = 0;
					}

					PHAR_G(cwd_init) = 0;
					efree(name);
				} zend_end_try();

				zend_bailout();
			}

			return PHAR_MIME_PHP;
	}
	return -1;
}
/* }}} */

static void phar_do_403(char *entry, size_t entry_len) /* {{{ */
{
	sapi_header_line ctr = {0};

	ctr.response_code = 403;
	ctr.line_len = sizeof("HTTP/1.0 403 Access Denied")-1;
	ctr.line = "HTTP/1.0 403 Access Denied";
	sapi_header_op(SAPI_HEADER_REPLACE, &ctr);
	sapi_send_headers();
	PHPWRITE("<html>\n <head>\n  <title>Access Denied</title>\n </head>\n <body>\n  <h1>403 - File ", sizeof("<html>\n <head>\n  <title>Access Denied</title>\n </head>\n <body>\n  <h1>403 - File ") - 1);
	PHPWRITE("Access Denied</h1>\n </body>\n</html>", sizeof("Access Denied</h1>\n </body>\n</html>") - 1);
}
/* }}} */

static void phar_do_404(phar_archive_data *phar, char *fname, size_t fname_len, char *f404, size_t f404_len, char *entry, size_t entry_len) /* {{{ */
{
	sapi_header_line ctr = {0};
	phar_entry_info	*info;

	if (phar && f404_len) {
		info = phar_get_entry_info(phar, f404, f404_len, NULL, 1);

		if (info) {
			phar_file_action(phar, info, "text/html", PHAR_MIME_PHP, f404, f404_len, fname, NULL, NULL, 0);
			return;
		}
	}

	ctr.response_code = 404;
	ctr.line_len = sizeof("HTTP/1.0 404 Not Found")-1;
	ctr.line = "HTTP/1.0 404 Not Found";
	sapi_header_op(SAPI_HEADER_REPLACE, &ctr);
	sapi_send_headers();
	PHPWRITE("<html>\n <head>\n  <title>File Not Found</title>\n </head>\n <body>\n  <h1>404 - File ", sizeof("<html>\n <head>\n  <title>File Not Found</title>\n </head>\n <body>\n  <h1>404 - File ") - 1);
	PHPWRITE("Not Found</h1>\n </body>\n</html>",  sizeof("Not Found</h1>\n </body>\n</html>") - 1);
}
/* }}} */

/* post-process REQUEST_URI and retrieve the actual request URI.  This is for
   cases like http://localhost/blah.phar/path/to/file.php/extra/stuff
   which calls "blah.phar" file "path/to/file.php" with PATH_INFO "/extra/stuff" */
static void phar_postprocess_ru_web(char *fname, size_t fname_len, char **entry, size_t *entry_len, char **ru, size_t *ru_len) /* {{{ */
{
	char *e = *entry + 1, *u = NULL, *u1 = NULL, *saveu = NULL;
	size_t e_len = *entry_len - 1, u_len = 0;
	phar_archive_data *pphar;

	/* we already know we can retrieve the phar if we reach here */
	pphar = zend_hash_str_find_ptr(&(PHAR_G(phar_fname_map)), fname, fname_len);

	if (!pphar && PHAR_G(manifest_cached)) {
		pphar = zend_hash_str_find_ptr(&cached_phars, fname, fname_len);
	}

	do {
		if (zend_hash_str_exists(&(pphar->manifest), e, e_len)) {
			if (u) {
				u[0] = '/';
				*ru = estrndup(u, u_len+1);
				++u_len;
				u[0] = '\0';
			} else {
				*ru = NULL;
			}
			*ru_len = u_len;
			*entry_len = e_len + 1;
			return;
		}

		if (u) {
			u1 = strrchr(e, '/');
			u[0] = '/';
			saveu = u;
			e_len += u_len + 1;
			u = u1;
			if (!u) {
				return;
			}
		} else {
			u = strrchr(e, '/');
			if (!u) {
				if (saveu) {
					saveu[0] = '/';
				}
				return;
			}
		}

		u[0] = '\0';
		u_len = strlen(u + 1);
		e_len -= u_len + 1;
	} while (1);
}
/* }}} */

/* {{{ return the name of the currently running phar archive.  If the optional parameter
 * is set to true, return the phar:// URL to the currently running phar
 */
PHP_METHOD(Phar, running)
{
	char *fname, *arch, *entry;
	size_t fname_len, arch_len, entry_len;
	bool retphar = 1;

	if (zend_parse_parameters(ZEND_NUM_ARGS(), "|b", &retphar) == FAILURE) {
		RETURN_THROWS();
	}

	fname = (char*)zend_get_executed_filename();
	fname_len = strlen(fname);

	if (fname_len > 7 && !memcmp(fname, "phar://", 7) && SUCCESS == phar_split_fname(fname, fname_len, &arch, &arch_len, &entry, &entry_len, 2, 0)) {
		efree(entry);
		if (retphar) {
			RETVAL_STRINGL(fname, arch_len + 7);
			efree(arch);
			return;
		} else {
			// TODO: avoid reallocation ???
			RETVAL_STRINGL(arch, arch_len);
			efree(arch);
			return;
		}
	}

	RETURN_EMPTY_STRING();
}
/* }}} */

/* {{{ mount an external file or path to a location within the phar.  This maps
 * an external file or directory to a location within the phar archive, allowing
 * reference to an external location as if it were within the phar archive.  This
 * is useful for writable temp files like databases
 */
PHP_METHOD(Phar, mount)
{
	char *fname, *arch = NULL, *entry = NULL, *path, *actual;
	size_t fname_len, arch_len, entry_len;
	size_t path_len, actual_len;
	phar_archive_data *pphar;
#ifdef PHP_WIN32
	char *save_fname;
	ALLOCA_FLAG(fname_use_heap)
#endif

	if (zend_parse_parameters(ZEND_NUM_ARGS(), "pp", &path, &path_len, &actual, &actual_len) == FAILURE) {
		RETURN_THROWS();
	}

	fname = (char*)zend_get_executed_filename();
	fname_len = strlen(fname);

#ifdef PHP_WIN32
	save_fname = fname;
	if (memchr(fname, '\\', fname_len)) {
		fname = do_alloca(fname_len + 1, fname_use_heap);
		memcpy(fname, save_fname, fname_len);
		fname[fname_len] = '\0';
		phar_unixify_path_separators(fname, fname_len);
	}
#endif

	if (fname_len > 7 && !memcmp(fname, "phar://", 7) && SUCCESS == phar_split_fname(fname, fname_len, &arch, &arch_len, &entry, &entry_len, 2, 0)) {
		efree(entry);
		entry = NULL;

		if (path_len > 7 && !memcmp(path, "phar://", 7)) {
			zend_throw_exception_ex(phar_ce_PharException, 0, "Can only mount internal paths within a phar archive, use a relative path instead of \"%s\"", path);
			efree(arch);
			goto finish;
		}
carry_on2:
		if (NULL == (pphar = zend_hash_str_find_ptr(&(PHAR_G(phar_fname_map)), arch, arch_len))) {
			if (PHAR_G(manifest_cached) && NULL != (pphar = zend_hash_str_find_ptr(&cached_phars, arch, arch_len))) {
				if (SUCCESS == phar_copy_on_write(&pphar)) {
					goto carry_on;
				}
			}

			zend_throw_exception_ex(phar_ce_PharException, 0, "%s is not a phar archive, cannot mount", arch);

			if (arch) {
				efree(arch);
			}

			goto finish;
		}
carry_on:
		if (SUCCESS != phar_mount_entry(pphar, actual, actual_len, path, path_len)) {
			zend_throw_exception_ex(phar_ce_PharException, 0, "Mounting of %s to %s within phar %s failed", path, actual, arch);
			if (path && path == entry) {
				efree(entry);
			}

			if (arch) {
				efree(arch);
			}

			goto finish;
		}

		if (entry && path && path == entry) {
			efree(entry);
		}

		if (arch) {
			efree(arch);
		}

		goto finish;
	} else if (HT_IS_INITIALIZED(&PHAR_G(phar_fname_map)) && NULL != (pphar = zend_hash_str_find_ptr(&(PHAR_G(phar_fname_map)), fname, fname_len))) {
		goto carry_on;
	} else if (PHAR_G(manifest_cached) && NULL != (pphar = zend_hash_str_find_ptr(&cached_phars, fname, fname_len))) {
		if (SUCCESS == phar_copy_on_write(&pphar)) {
			goto carry_on;
		}

		goto carry_on;
	} else if (SUCCESS == phar_split_fname(path, path_len, &arch, &arch_len, &entry, &entry_len, 2, 0)) {
		path = entry;
		path_len = entry_len;
		goto carry_on2;
	}

	zend_throw_exception_ex(phar_ce_PharException, 0, "Mounting of %s to %s failed", path, actual);

finish: ;
#ifdef PHP_WIN32
	if (fname != save_fname) {
		free_alloca(fname, fname_use_heap);
		fname = save_fname;
	}
#endif
}
/* }}} */

/* {{{ mapPhar for web-based phars. Reads the currently executed file (a phar)
 * and registers its manifest. When executed in the CLI or CGI command-line sapi,
 * this works exactly like mapPhar().  When executed by a web-based sapi, this
 * reads $_SERVER['REQUEST_URI'] (the actual original value) and parses out the
 * intended internal file.
 */
PHP_METHOD(Phar, webPhar)
{
	zval *mimeoverride = NULL;
	zend_fcall_info rewrite_fci = {0};
	zend_fcall_info_cache rewrite_fcc;
	char *alias = NULL, *error, *index_php = NULL, *f404 = NULL, *ru = NULL;
	size_t alias_len = 0, f404_len = 0, free_pathinfo = 0;
	size_t ru_len = 0;
	char *fname, *path_info, *mime_type = NULL, *entry, *pt;
	const char *basename;
	size_t fname_len, index_php_len = 0;
	size_t entry_len;
	int code, not_cgi;
	phar_archive_data *phar = NULL;
	phar_entry_info *info = NULL;
	size_t sapi_mod_name_len = strlen(sapi_module.name);

	if (zend_parse_parameters(ZEND_NUM_ARGS(), "|s!s!s!af!", &alias, &alias_len, &index_php, &index_php_len, &f404, &f404_len, &mimeoverride, &rewrite_fci, &rewrite_fcc) == FAILURE) {
		RETURN_THROWS();
	}

	phar_request_initialize();
	fname = (char*)zend_get_executed_filename();
	fname_len = strlen(fname);

	if (phar_open_executed_filename(alias, alias_len, &error) != SUCCESS) {
		if (error) {
			zend_throw_exception_ex(phar_ce_PharException, 0, "%s", error);
			efree(error);
		}
		return;
	}

	/* retrieve requested file within phar */
	if (!(SG(request_info).request_method
	      && SG(request_info).request_uri
	      && (!strcmp(SG(request_info).request_method, "GET")
	       || !strcmp(SG(request_info).request_method, "POST")
	       || !strcmp(SG(request_info).request_method, "DELETE")
	       || !strcmp(SG(request_info).request_method, "HEAD")
	       || !strcmp(SG(request_info).request_method, "OPTIONS")
	       || !strcmp(SG(request_info).request_method, "PATCH")
	       || !strcmp(SG(request_info).request_method, "PUT")
	      )
	     )
	   ) {
		return;
	}

#ifdef PHP_WIN32
	if (memchr(fname, '\\', fname_len)) {
		fname = estrndup(fname, fname_len);
		phar_unixify_path_separators(fname, fname_len);
	}
#endif
	basename = zend_memrchr(fname, '/', fname_len);

	if (!basename) {
		basename = fname;
	} else {
		++basename;
	}

	if ((sapi_mod_name_len == sizeof("cgi-fcgi") - 1 && !strncmp(sapi_module.name, "cgi-fcgi", sizeof("cgi-fcgi") - 1))
		|| (sapi_mod_name_len == sizeof("fpm-fcgi") - 1 && !strncmp(sapi_module.name, "fpm-fcgi", sizeof("fpm-fcgi") - 1))
		|| (sapi_mod_name_len == sizeof("cgi") - 1 && !strncmp(sapi_module.name, "cgi", sizeof("cgi") - 1))) {

		if (Z_TYPE(PG(http_globals)[TRACK_VARS_SERVER]) != IS_UNDEF) {
			HashTable *_server = Z_ARRVAL(PG(http_globals)[TRACK_VARS_SERVER]);
			zval *z_script_name, *z_path_info;

			if (NULL == (z_script_name = zend_hash_str_find(_server, "SCRIPT_NAME", sizeof("SCRIPT_NAME")-1)) ||
				IS_STRING != Z_TYPE_P(z_script_name) ||
				!strstr(Z_STRVAL_P(z_script_name), basename)) {
				goto finish;
			}

			if (NULL != (z_path_info = zend_hash_str_find(_server, "PATH_INFO", sizeof("PATH_INFO")-1)) &&
				IS_STRING == Z_TYPE_P(z_path_info)) {
				entry_len = Z_STRLEN_P(z_path_info);
				entry = estrndup(Z_STRVAL_P(z_path_info), entry_len);
				path_info = emalloc(Z_STRLEN_P(z_script_name) + entry_len + 1);
				memcpy(path_info, Z_STRVAL_P(z_script_name), Z_STRLEN_P(z_script_name));
				memcpy(path_info + Z_STRLEN_P(z_script_name), entry, entry_len + 1);
				free_pathinfo = 1;
			} else {
				entry_len = 0;
				entry = estrndup("", 0);
				path_info = Z_STRVAL_P(z_script_name);
			}

			pt = estrndup(Z_STRVAL_P(z_script_name), Z_STRLEN_P(z_script_name));

		} else {
			char *testit;

			testit = sapi_getenv("SCRIPT_NAME", sizeof("SCRIPT_NAME")-1);
			if (!(pt = strstr(testit, basename))) {
				efree(testit);
				goto finish;
			}

			path_info = sapi_getenv("PATH_INFO", sizeof("PATH_INFO")-1);

			if (path_info) {
				entry = path_info;
				entry_len = strlen(entry);
				spprintf(&path_info, 0, "%s%s", testit, path_info);
				free_pathinfo = 1;
			} else {
				path_info = testit;
				free_pathinfo = 1;
				entry = estrndup("", 0);
				entry_len = 0;
			}

			pt = estrndup(testit, (pt - testit) + (fname_len - (basename - fname)));
		}
		not_cgi = 0;
	} else {
		path_info = SG(request_info).request_uri;

		if (!(pt = strstr(path_info, basename))) {
			/* this can happen with rewrite rules - and we have no idea what to do then, so return */
			goto finish;
		}

		entry_len = strlen(path_info);
		entry_len -= (pt - path_info) + (fname_len - (basename - fname));
		entry = estrndup(pt + (fname_len - (basename - fname)), entry_len);

		pt = estrndup(path_info, (pt - path_info) + (fname_len - (basename - fname)));
		not_cgi = 1;
	}

	if (ZEND_FCI_INITIALIZED(rewrite_fci)) {
		zval params, retval;

		ZVAL_STRINGL(&params, entry, entry_len);

		rewrite_fci.param_count = 1;
		rewrite_fci.params = &params;
		rewrite_fci.retval = &retval;

		if (FAILURE == zend_call_function(&rewrite_fci, &rewrite_fcc)) {
			if (!EG(exception)) {
				zend_throw_exception_ex(phar_ce_PharException, 0, "phar error: failed to call rewrite callback");
			}
			goto cleanup_fail;
		}

		if (Z_TYPE_P(rewrite_fci.retval) == IS_UNDEF || Z_TYPE(retval) == IS_UNDEF) {
			zend_throw_exception_ex(phar_ce_PharException, 0, "phar error: rewrite callback must return a string or false");
			goto cleanup_fail;
		}

		switch (Z_TYPE(retval)) {
			case IS_STRING:
				efree(entry);
				entry = estrndup(Z_STRVAL_P(rewrite_fci.retval), Z_STRLEN_P(rewrite_fci.retval));
				entry_len = Z_STRLEN_P(rewrite_fci.retval);
				break;
			case IS_TRUE:
			case IS_FALSE:
				phar_do_403(entry, entry_len);

				if (free_pathinfo) {
					efree(path_info);
				}
				efree(pt);

				zend_bailout();
			default:
				zend_throw_exception_ex(phar_ce_PharException, 0, "phar error: rewrite callback must return a string or false");

cleanup_fail:
				zval_ptr_dtor(&params);
				if (free_pathinfo) {
					efree(path_info);
				}
				efree(entry);
				efree(pt);
#ifdef PHP_WIN32
				efree(fname);
#endif
				RETURN_THROWS();
		}
	}

	if (entry_len) {
		phar_postprocess_ru_web(fname, fname_len, &entry, &entry_len, &ru, &ru_len);
	}

	if (!entry_len || (entry_len == 1 && entry[0] == '/')) {
		efree(entry);
		/* direct request */
		if (index_php_len) {
			entry = index_php;
			entry_len = index_php_len;
			if (entry[0] != '/') {
				spprintf(&entry, 0, "/%s", index_php);
				++entry_len;
			}
		} else {
			/* assume "index.php" is starting point */
			entry = estrndup("/index.php", sizeof("/index.php"));
			entry_len = sizeof("/index.php")-1;
		}

		if (FAILURE == phar_get_archive(&phar, fname, fname_len, NULL, 0, NULL) ||
			(info = phar_get_entry_info(phar, entry, entry_len, NULL, 0)) == NULL) {
			phar_do_404(phar, fname, fname_len, f404, f404_len, entry, entry_len);

			if (free_pathinfo) {
				efree(path_info);
			}

			zend_bailout();
		} else {
			char *tmp = NULL, sa = '\0';
			sapi_header_line ctr = {0};
			ctr.response_code = 301;
			ctr.line_len = sizeof("HTTP/1.1 301 Moved Permanently")-1;
			ctr.line = "HTTP/1.1 301 Moved Permanently";
			sapi_header_op(SAPI_HEADER_REPLACE, &ctr);

			if (not_cgi) {
				tmp = strstr(path_info, basename) + fname_len;
				sa = *tmp;
				*tmp = '\0';
			}

			ctr.response_code = 0;

			if (path_info[strlen(path_info)-1] == '/') {
				ctr.line_len = spprintf((char **) &(ctr.line), 4096, "Location: %s%s", path_info, entry + 1);
			} else {
				ctr.line_len = spprintf((char **) &(ctr.line), 4096, "Location: %s%s", path_info, entry);
			}

			if (not_cgi) {
				*tmp = sa;
			}

			if (free_pathinfo) {
				efree(path_info);
			}

			sapi_header_op(SAPI_HEADER_REPLACE, &ctr);
			sapi_send_headers();
			efree((void *) ctr.line);
			zend_bailout();
		}
	}

	if (FAILURE == phar_get_archive(&phar, fname, fname_len, NULL, 0, NULL) ||
		(info = phar_get_entry_info(phar, entry, entry_len, NULL, 0)) == NULL) {
		phar_do_404(phar, fname, fname_len, f404, f404_len, entry, entry_len);
		zend_bailout();
	}

	if (mimeoverride && zend_hash_num_elements(Z_ARRVAL_P(mimeoverride))) {
		const char *ext = zend_memrchr(entry, '.', entry_len);
		zval *val;

		if (ext) {
			++ext;

			if (NULL != (val = zend_hash_str_find(Z_ARRVAL_P(mimeoverride), ext, strlen(ext)))) {
				switch (Z_TYPE_P(val)) {
					case IS_LONG:
						if (Z_LVAL_P(val) == PHAR_MIME_PHP || Z_LVAL_P(val) == PHAR_MIME_PHPS) {
							mime_type = "";
							code = Z_LVAL_P(val);
						} else {
							zend_throw_exception_ex(phar_ce_PharException, 0, "Unknown mime type specifier used, only Phar::PHP, Phar::PHPS and a mime type string are allowed");
							if (free_pathinfo) {
								efree(path_info);
							}
							efree(pt);
							efree(entry);
#ifdef PHP_WIN32
							efree(fname);
#endif
							RETURN_THROWS();
						}
						break;
					case IS_STRING:
						mime_type = Z_STRVAL_P(val);
						code = PHAR_MIME_OTHER;
						break;
					default:
						zend_throw_exception_ex(phar_ce_PharException, 0, "Unknown mime type specifier used (not a string or int), only Phar::PHP, Phar::PHPS and a mime type string are allowed");
						if (free_pathinfo) {
							efree(path_info);
						}
						efree(pt);
						efree(entry);
#ifdef PHP_WIN32
						efree(fname);
#endif
						RETURN_THROWS();
				}
			}
		}
	}

	if (!mime_type) {
		code = phar_file_type(&PHAR_G(mime_types), entry, &mime_type);
	}
	phar_file_action(phar, info, mime_type, code, entry, entry_len, fname, pt, ru, ru_len);

finish: ;
#ifdef PHP_WIN32
	efree(fname);
#endif
}
/* }}} */

/* {{{ Defines a list of up to 4 $_SERVER variables that should be modified for execution
 * to mask the presence of the phar archive.  This should be used in conjunction with
 * Phar::webPhar(), and has no effect otherwise
 * SCRIPT_NAME, PHP_SELF, REQUEST_URI and SCRIPT_FILENAME
 */
PHP_METHOD(Phar, mungServer)
{
	zval *mungvalues, *data;

	if (zend_parse_parameters(ZEND_NUM_ARGS(), "a", &mungvalues) == FAILURE) {
		RETURN_THROWS();
	}

	if (!zend_hash_num_elements(Z_ARRVAL_P(mungvalues))) {
		zend_throw_exception_ex(phar_ce_PharException, 0, "No values passed to Phar::mungServer(), expecting an array of any of these strings: PHP_SELF, REQUEST_URI, SCRIPT_FILENAME, SCRIPT_NAME");
		RETURN_THROWS();
	}

	if (zend_hash_num_elements(Z_ARRVAL_P(mungvalues)) > 4) {
		zend_throw_exception_ex(phar_ce_PharException, 0, "Too many values passed to Phar::mungServer(), expecting an array of any of these strings: PHP_SELF, REQUEST_URI, SCRIPT_FILENAME, SCRIPT_NAME");
		RETURN_THROWS();
	}

	phar_request_initialize();

	ZEND_HASH_FOREACH_VAL(Z_ARRVAL_P(mungvalues), data) {

		if (Z_TYPE_P(data) != IS_STRING) {
			zend_throw_exception_ex(phar_ce_PharException, 0, "Non-string value passed to Phar::mungServer(), expecting an array of any of these strings: PHP_SELF, REQUEST_URI, SCRIPT_FILENAME, SCRIPT_NAME");
			RETURN_THROWS();
		}

		if (zend_string_equals_literal(Z_STR_P(data), "PHP_SELF")) {
			PHAR_G(phar_SERVER_mung_list) |= PHAR_MUNG_PHP_SELF;
		} else if (zend_string_equals_literal(Z_STR_P(data), "REQUEST_URI")) {
			PHAR_G(phar_SERVER_mung_list) |= PHAR_MUNG_REQUEST_URI;
		} else if (zend_string_equals_literal(Z_STR_P(data), "SCRIPT_NAME")) {
			PHAR_G(phar_SERVER_mung_list) |= PHAR_MUNG_SCRIPT_NAME;
		} else if (zend_string_equals_literal(Z_STR_P(data), "SCRIPT_FILENAME")) {
			PHAR_G(phar_SERVER_mung_list) |= PHAR_MUNG_SCRIPT_FILENAME;
		}
		// TODO Warning for invalid value?
	} ZEND_HASH_FOREACH_END();
}
/* }}} */

/* {{{ instructs phar to intercept fopen, file_get_contents, opendir, and all of the stat-related functions
 * and return stat on files within the phar for relative paths
 *
 * Once called, this cannot be reversed, and continue until the end of the request.
 *
 * This allows legacy scripts to be pharred unmodified
 */
PHP_METHOD(Phar, interceptFileFuncs)
{
	if (zend_parse_parameters_none() == FAILURE) {
		RETURN_THROWS();
	}
	phar_intercept_functions();
}
/* }}} */

/* {{{ Return a stub that can be used to run a phar-based archive without the phar extension
 * indexfile is the CLI startup filename, which defaults to "index.php", webindexfile
 * is the web startup filename, and also defaults to "index.php"
 */
PHP_METHOD(Phar, createDefaultStub)
{
	char *index = NULL, *webindex = NULL, *error;
	zend_string *stub;
	size_t index_len = 0, webindex_len = 0;

	if (zend_parse_parameters(ZEND_NUM_ARGS(), "|p!p!", &index, &index_len, &webindex, &webindex_len) == FAILURE) {
		RETURN_THROWS();
	}

	stub = phar_create_default_stub(index, webindex, &error);

	if (error) {
		zend_throw_exception_ex(phar_ce_PharException, 0, "%s", error);
		efree(error);
		RETURN_THROWS();
	}
	RETURN_NEW_STR(stub);
}
/* }}} */

/* {{{ Reads the currently executed file (a phar) and registers its manifest */
PHP_METHOD(Phar, mapPhar)
{
	char *alias = NULL, *error;
	size_t alias_len = 0;
	zend_long dataoffset = 0;

	if (zend_parse_parameters(ZEND_NUM_ARGS(), "|s!l", &alias, &alias_len, &dataoffset) == FAILURE) {
		RETURN_THROWS();
	}

	phar_request_initialize();

	RETVAL_BOOL(phar_open_executed_filename(alias, alias_len, &error) == SUCCESS);

	if (error) {
		zend_throw_exception_ex(phar_ce_PharException, 0, "%s", error);
		efree(error);
	}
} /* }}} */

/* {{{ Loads any phar archive with an alias */
PHP_METHOD(Phar, loadPhar)
{
	char *fname, *alias = NULL, *error;
	size_t fname_len, alias_len = 0;

	if (zend_parse_parameters(ZEND_NUM_ARGS(), "p|s!", &fname, &fname_len, &alias, &alias_len) == FAILURE) {
		RETURN_THROWS();
	}

	phar_request_initialize();

	RETVAL_BOOL(phar_open_from_filename(fname, fname_len, alias, alias_len, REPORT_ERRORS, NULL, &error) == SUCCESS);

	if (error) {
		zend_throw_exception_ex(phar_ce_PharException, 0, "%s", error);
		efree(error);
	}
} /* }}} */

/* {{{ Returns the api version */
PHP_METHOD(Phar, apiVersion)
{
	if (zend_parse_parameters_none() == FAILURE) {
		RETURN_THROWS();
	}
	RETURN_STRINGL(PHP_PHAR_API_VERSION, sizeof(PHP_PHAR_API_VERSION)-1);
}
/* }}}*/

/* {{{ Returns whether phar extension supports compression using zlib/bzip2 */
PHP_METHOD(Phar, canCompress)
{
	zend_long method = 0;

	if (zend_parse_parameters(ZEND_NUM_ARGS(), "|l", &method) == FAILURE) {
		RETURN_THROWS();
	}

	phar_request_initialize();
	switch (method) {
	case PHAR_ENT_COMPRESSED_GZ:
		if (PHAR_G(has_zlib)) {
			RETURN_TRUE;
		} else {
			RETURN_FALSE;
		}
	case PHAR_ENT_COMPRESSED_BZ2:
		if (PHAR_G(has_bz2)) {
			RETURN_TRUE;
		} else {
			RETURN_FALSE;
		}
	default:
		if (PHAR_G(has_zlib) || PHAR_G(has_bz2)) {
			RETURN_TRUE;
		} else {
			RETURN_FALSE;
		}
	}
}
/* }}} */

/* {{{ Returns whether phar extension supports writing and creating phars */
PHP_METHOD(Phar, canWrite)
{
	if (zend_parse_parameters_none() == FAILURE) {
		RETURN_THROWS();
	}
	RETURN_BOOL(!PHAR_G(readonly));
}
/* }}} */

/* {{{ Returns whether the given filename is a valid phar filename */
PHP_METHOD(Phar, isValidPharFilename)
{
	char *fname;
	const char *ext_str;
	size_t fname_len;
	size_t ext_len;
	int is_executable;
	bool executable = 1;

	if (zend_parse_parameters(ZEND_NUM_ARGS(), "p|b", &fname, &fname_len, &executable) == FAILURE) {
		RETURN_THROWS();
	}

	is_executable = executable;
	RETVAL_BOOL(phar_detect_phar_fname_ext(fname, fname_len, &ext_str, &ext_len, is_executable, 2, 1) == SUCCESS);
}
/* }}} */

/**
 * from spl_directory
 */
static void phar_spl_foreign_dtor(spl_filesystem_object *object) /* {{{ */
{
	phar_archive_data *phar = (phar_archive_data *) object->oth;

	if (!phar->is_persistent) {
		phar_archive_delref(phar);
	}

	object->oth = NULL;
}
/* }}} */

/**
 * from spl_directory
 */
static void phar_spl_foreign_clone(spl_filesystem_object *src, spl_filesystem_object *dst) /* {{{ */
{
	phar_archive_data *phar_data = (phar_archive_data *) dst->oth;

	if (!phar_data->is_persistent) {
		++(phar_data->refcount);
	}
}
/* }}} */

static const spl_other_handler phar_spl_foreign_handler = {
	phar_spl_foreign_dtor,
	phar_spl_foreign_clone
};

/* {{{ Construct a Phar archive object
 *
 * proto PharData::__construct(string fname [[, int flags [, string alias]], int file format = Phar::TAR])
 * Construct a PharData archive object
 *
 * This function is used as the constructor for both the Phar and PharData
 * classes, hence the two prototypes above.
 */
PHP_METHOD(Phar, __construct)
{
	char *fname, *alias = NULL, *error, *arch = NULL, *entry = NULL, *save_fname;
	size_t fname_len, alias_len = 0;
	size_t arch_len, entry_len;
	bool is_data;
	zend_long flags = SPL_FILE_DIR_SKIPDOTS|SPL_FILE_DIR_UNIXPATHS;
	zend_long format = 0;
	phar_archive_object *phar_obj;
	phar_archive_data   *phar_data;
	zval *zobj = ZEND_THIS, arg1, arg2;

	phar_obj = (phar_archive_object*)((char*)Z_OBJ_P(zobj) - Z_OBJ_P(zobj)->handlers->offset);

	is_data = instanceof_function(Z_OBJCE_P(zobj), phar_ce_data);

	if (is_data) {
		if (zend_parse_parameters(ZEND_NUM_ARGS(), "p|ls!l", &fname, &fname_len, &flags, &alias, &alias_len, &format) == FAILURE) {
			RETURN_THROWS();
		}
	} else {
		if (zend_parse_parameters(ZEND_NUM_ARGS(), "p|ls!", &fname, &fname_len, &flags, &alias, &alias_len) == FAILURE) {
			RETURN_THROWS();
		}
	}

	if (phar_obj->archive) {
		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, "Cannot call constructor twice");
		RETURN_THROWS();
	}

	save_fname = fname;
	if (SUCCESS == phar_split_fname(fname, fname_len, &arch, &arch_len, &entry, &entry_len, !is_data, 2)) {
		/* use arch (the basename for the archive) for fname instead of fname */
		/* this allows support for RecursiveDirectoryIterator of subdirectories */
#ifdef PHP_WIN32
		phar_unixify_path_separators(arch, arch_len);
#endif
		fname = arch;
		fname_len = arch_len;
#ifdef PHP_WIN32
	} else {
		arch = estrndup(fname, fname_len);
		arch_len = fname_len;
		fname = arch;
		phar_unixify_path_separators(arch, arch_len);
#endif
	}

	if (phar_open_or_create_filename(fname, fname_len, alias, alias_len, is_data, REPORT_ERRORS, &phar_data, &error) == FAILURE) {

		if (fname == arch && fname != save_fname) {
			efree(arch);
			fname = save_fname;
		}

		if (entry) {
			efree(entry);
		}

		if (error) {
			zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0,
				"%s", error);
			efree(error);
		} else {
			zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0,
				"Phar creation or opening failed");
		}

		RETURN_THROWS();
	}

	if (is_data && phar_data->is_tar && phar_data->is_brandnew && format == PHAR_FORMAT_ZIP) {
		phar_data->is_zip = 1;
		phar_data->is_tar = 0;
	}

	if (fname == arch) {
		efree(arch);
		fname = save_fname;
	}

	if ((is_data && !phar_data->is_data) || (!is_data && phar_data->is_data)) {
		if (is_data) {
			zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0,
				"PharData class can only be used for non-executable tar and zip archives");
		} else {
			zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0,
				"Phar class can only be used for executable tar and zip archives");
		}
		efree(entry);
		RETURN_THROWS();
	}

	is_data = phar_data->is_data;

	if (!phar_data->is_persistent) {
		++(phar_data->refcount);
	}

	phar_obj->archive = phar_data;
	phar_obj->spl.oth_handler = &phar_spl_foreign_handler;

	if (entry) {
		fname_len = spprintf(&fname, 0, "phar://%s%s", phar_data->fname, entry);
		efree(entry);
	} else {
		fname_len = spprintf(&fname, 0, "phar://%s", phar_data->fname);
	}

	ZVAL_STRINGL(&arg1, fname, fname_len);
	ZVAL_LONG(&arg2, flags);

	zend_call_known_instance_method_with_2_params(spl_ce_RecursiveDirectoryIterator->constructor,
		Z_OBJ_P(zobj), NULL, &arg1, &arg2);

	zval_ptr_dtor(&arg1);

	if (!phar_data->is_persistent) {
		phar_obj->archive->is_data = is_data;
	} else if (!EG(exception)) {
		/* register this guy so we can modify if necessary */
		zend_hash_str_add_ptr(&PHAR_G(phar_persist_map), (const char *) phar_obj->archive, sizeof(phar_obj->archive), phar_obj);
	}

	phar_obj->spl.info_class = phar_ce_entry;
	efree(fname);
}
/* }}} */

/* {{{ Return array of supported signature types */
PHP_METHOD(Phar, getSupportedSignatures)
{
	if (zend_parse_parameters_none() == FAILURE) {
		RETURN_THROWS();
	}

	array_init(return_value);

	add_next_index_stringl(return_value, "MD5", 3);
	add_next_index_stringl(return_value, "SHA-1", 5);
	add_next_index_stringl(return_value, "SHA-256", 7);
	add_next_index_stringl(return_value, "SHA-512", 7);
#ifdef PHAR_HAVE_OPENSSL
	add_next_index_stringl(return_value, "OpenSSL", 7);
	add_next_index_stringl(return_value, "OpenSSL_SHA256", 14);
	add_next_index_stringl(return_value, "OpenSSL_SHA512", 14);
#else
	if (zend_hash_str_exists(&module_registry, "openssl", sizeof("openssl")-1)) {
		add_next_index_stringl(return_value, "OpenSSL", 7);
		add_next_index_stringl(return_value, "OpenSSL_SHA256", 14);
		add_next_index_stringl(return_value, "OpenSSL_SHA512", 14);
	}
#endif
}
/* }}} */

/* {{{ Return array of supported comparession algorithms */
PHP_METHOD(Phar, getSupportedCompression)
{
	if (zend_parse_parameters_none() == FAILURE) {
		RETURN_THROWS();
	}

	array_init(return_value);
	phar_request_initialize();

	if (PHAR_G(has_zlib)) {
		add_next_index_stringl(return_value, "GZ", 2);
	}

	if (PHAR_G(has_bz2)) {
		add_next_index_stringl(return_value, "BZIP2", 5);
	}
}
/* }}} */

/* {{{ Completely remove a phar archive from memory and disk */
PHP_METHOD(Phar, unlinkArchive)
{
	char *fname, *error, *zname, *arch, *entry;
	size_t fname_len;
	size_t zname_len, arch_len, entry_len;
	phar_archive_data *phar;

	if (zend_parse_parameters(ZEND_NUM_ARGS(), "p", &fname, &fname_len) == FAILURE) {
		RETURN_THROWS();
	}

	if (!fname_len) {
		zend_throw_exception_ex(phar_ce_PharException, 0, "Unknown phar archive \"\"");
		RETURN_THROWS();
	}

	if (FAILURE == phar_open_from_filename(fname, fname_len, NULL, 0, REPORT_ERRORS, &phar, &error)) {
		if (error) {
			zend_throw_exception_ex(phar_ce_PharException, 0, "Unknown phar archive \"%s\": %s", fname, error);
			efree(error);
		} else {
			zend_throw_exception_ex(phar_ce_PharException, 0, "Unknown phar archive \"%s\"", fname);
		}
		RETURN_THROWS();
	}

	zname = (char*)zend_get_executed_filename();
	zname_len = strlen(zname);

	if (zname_len > 7 && !memcmp(zname, "phar://", 7) && SUCCESS == phar_split_fname(zname, zname_len, &arch, &arch_len, &entry, &entry_len, 2, 0)) {
		if ((size_t)arch_len == fname_len && !memcmp(arch, fname, arch_len)) {
			zend_throw_exception_ex(phar_ce_PharException, 0, "phar archive \"%s\" cannot be unlinked from within itself", fname);
			efree(arch);
			efree(entry);
			RETURN_THROWS();
		}
		efree(arch);
		efree(entry);
	}

	if (phar->is_persistent) {
		zend_throw_exception_ex(phar_ce_PharException, 0, "phar archive \"%s\" is in phar.cache_list, cannot unlinkArchive()", fname);
		RETURN_THROWS();
	}

	if (phar->refcount) {
		zend_throw_exception_ex(phar_ce_PharException, 0, "phar archive \"%s\" has open file handles or objects.  fclose() all file handles, and unset() all objects prior to calling unlinkArchive()", fname);
		RETURN_THROWS();
	}

	fname = estrndup(phar->fname, phar->fname_len);

	/* invalidate phar cache */
	PHAR_G(last_phar) = NULL;
	PHAR_G(last_phar_name) = PHAR_G(last_alias) = NULL;

	phar_archive_delref(phar);
	unlink(fname);
	efree(fname);
	RETURN_TRUE;
}
/* }}} */

#define PHAR_ARCHIVE_OBJECT() \
	zval *zobj = ZEND_THIS; \
	phar_archive_object *phar_obj = (phar_archive_object*)((char*)Z_OBJ_P(zobj) - Z_OBJ_P(zobj)->handlers->offset); \
	if (!phar_obj->archive) { \
		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, \
			"Cannot call method on an uninitialized Phar object"); \
		RETURN_THROWS(); \
	}

/* {{{ if persistent, remove from the cache */
PHP_METHOD(Phar, __destruct)
{
	zval *zobj = ZEND_THIS;
	phar_archive_object *phar_obj = (phar_archive_object*)((char*)Z_OBJ_P(zobj) - Z_OBJ_P(zobj)->handlers->offset);

	if (zend_parse_parameters_none() == FAILURE) {
		RETURN_THROWS();
	}

	if (phar_obj->archive && phar_obj->archive->is_persistent) {
		zend_hash_str_del(&PHAR_G(phar_persist_map), (const char *) phar_obj->archive, sizeof(phar_obj->archive));
	}
}
/* }}} */

struct _phar_t {
	phar_archive_object *p;
	zend_class_entry *c;
	zend_string *base;
	zval *ret;
	php_stream *fp;
	int count;
};

static int phar_build(zend_object_iterator *iter, void *puser) /* {{{ */
{
	zval *value;
	bool close_fp = 1;
	struct _phar_t *p_obj = (struct _phar_t*) puser;
	size_t str_key_len, base_len = ZSTR_LEN(p_obj->base);
	phar_entry_data *data;
	php_stream *fp;
	size_t fname_len;
	size_t contents_len;
	char *fname, *error = NULL, *base = ZSTR_VAL(p_obj->base), *save = NULL, *temp = NULL;
	zend_string *opened;
	char *str_key;
	zend_class_entry *ce = p_obj->c;
	phar_archive_object *phar_obj = p_obj->p;
	php_stream_statbuf ssb;
	char ch;

	value = iter->funcs->get_current_data(iter);

	if (EG(exception)) {
		return ZEND_HASH_APPLY_STOP;
	}

	if (!value) {
		/* failure in get_current_data */
		zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0, "Iterator %s returned no value", ZSTR_VAL(ce->name));
		return ZEND_HASH_APPLY_STOP;
	}

	switch (Z_TYPE_P(value)) {
		case IS_STRING:
			break;
		case IS_RESOURCE:
			php_stream_from_zval_no_verify(fp, value);

			if (!fp) {
				zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, "Iterator %s returned an invalid stream handle", ZSTR_VAL(ce->name));
				return ZEND_HASH_APPLY_STOP;
			}

			if (iter->funcs->get_current_key) {
				zval key;
				iter->funcs->get_current_key(iter, &key);

				if (EG(exception)) {
					return ZEND_HASH_APPLY_STOP;
				}

				if (Z_TYPE(key) != IS_STRING) {
					zval_ptr_dtor(&key);
					zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0, "Iterator %s returned an invalid key (must return a string)", ZSTR_VAL(ce->name));
					return ZEND_HASH_APPLY_STOP;
				}

				str_key_len = Z_STRLEN(key);
				str_key = estrndup(Z_STRVAL(key), str_key_len);

				save = str_key;
				zval_ptr_dtor_str(&key);
			} else {
				zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0, "Iterator %s returned an invalid key (must return a string)", ZSTR_VAL(ce->name));
				return ZEND_HASH_APPLY_STOP;
			}

			close_fp = 0;
			opened = zend_string_init("[stream]", sizeof("[stream]") - 1, 0);
			goto after_open_fp;
		case IS_OBJECT:
			if (instanceof_function(Z_OBJCE_P(value), spl_ce_SplFileInfo)) {
				char *test = NULL;
				spl_filesystem_object *intern = (spl_filesystem_object*)((char*)Z_OBJ_P(value) - Z_OBJ_P(value)->handlers->offset);

				if (!base_len) {
					zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, "Iterator %s returns an SplFileInfo object, so base directory must be specified", ZSTR_VAL(ce->name));
					return ZEND_HASH_APPLY_STOP;
				}

				switch (intern->type) {
					case SPL_FS_DIR:
						test = spl_filesystem_object_get_path(intern, NULL);
						fname_len = spprintf(&fname, 0, "%s%c%s", test, DEFAULT_SLASH, intern->u.dir.entry.d_name);
						if (php_stream_stat_path(fname, &ssb) == 0 && S_ISDIR(ssb.sb.st_mode)) {
							/* ignore directories */
							efree(fname);
							return ZEND_HASH_APPLY_KEEP;
						}

						test = expand_filepath(fname, NULL);
						efree(fname);

						if (test) {
							fname = test;
							fname_len = strlen(fname);
						} else {
							zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0, "Could not resolve file path");
							return ZEND_HASH_APPLY_STOP;
						}

						save = fname;
						goto phar_spl_fileinfo;
					case SPL_FS_INFO:
					case SPL_FS_FILE:
						fname = expand_filepath(ZSTR_VAL(intern->file_name), NULL);
						if (!fname) {
							zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0, "Could not resolve file path");
							return ZEND_HASH_APPLY_STOP;
						}

						fname_len = strlen(fname);
						save = fname;
						goto phar_spl_fileinfo;
				}
			}
			ZEND_FALLTHROUGH;
		default:
			zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0, "Iterator %s returned an invalid value (must return a string)", ZSTR_VAL(ce->name));
			return ZEND_HASH_APPLY_STOP;
	}

	fname = Z_STRVAL_P(value);
	fname_len = Z_STRLEN_P(value);

phar_spl_fileinfo:
	if (base_len) {
		temp = expand_filepath(base, NULL);
		if (!temp) {
			zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0, "Could not resolve file path");
			if (save) {
				efree(save);
			}
			return ZEND_HASH_APPLY_STOP;
		}

		base = temp;
		base_len = strlen(base);

		if (fname_len >= base_len && strncmp(fname, base, base_len) == 0 && ((ch = fname[base_len - IS_SLASH(base[base_len - 1])]) == '\0' || IS_SLASH(ch))) {
			str_key_len = fname_len - base_len;

			if (str_key_len <= 0) {
				if (save) {
					efree(save);
					efree(temp);
				}
				return ZEND_HASH_APPLY_KEEP;
			}

			str_key = fname + base_len;

			if (*str_key == '/' || *str_key == '\\') {
				str_key++;
				str_key_len--;
			}

		} else {
			zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0, "Iterator %s returned a path \"%s\" that is not in the base directory \"%s\"", ZSTR_VAL(ce->name), fname, base);

			if (save) {
				efree(save);
				efree(temp);
			}

			return ZEND_HASH_APPLY_STOP;
		}
	} else {
		if (iter->funcs->get_current_key) {
			zval key;
			iter->funcs->get_current_key(iter, &key);

			if (EG(exception)) {
				return ZEND_HASH_APPLY_STOP;
			}

			if (Z_TYPE(key) != IS_STRING) {
				zval_ptr_dtor(&key);
				zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0, "Iterator %s returned an invalid key (must return a string)", ZSTR_VAL(ce->name));
				return ZEND_HASH_APPLY_STOP;
			}

			str_key_len = Z_STRLEN(key);
			str_key = estrndup(Z_STRVAL(key), str_key_len);

			save = str_key;
			zval_ptr_dtor_str(&key);
		} else {
			zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0, "Iterator %s returned an invalid key (must return a string)", ZSTR_VAL(ce->name));
			return ZEND_HASH_APPLY_STOP;
		}
	}

	if (php_check_open_basedir(fname)) {
		zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0, "Iterator %s returned a path \"%s\" that open_basedir prevents opening", ZSTR_VAL(ce->name), fname);

		if (save) {
			efree(save);
		}

		if (temp) {
			efree(temp);
		}

		return ZEND_HASH_APPLY_STOP;
	}

	/* try to open source file, then create internal phar file and copy contents */
	fp = php_stream_open_wrapper(fname, "rb", STREAM_MUST_SEEK|0, &opened);

	if (!fp) {
		zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0, "Iterator %s returned a file that could not be opened \"%s\"", ZSTR_VAL(ce->name), fname);

		if (save) {
			efree(save);
		}

		if (temp) {
			efree(temp);
		}

		return ZEND_HASH_APPLY_STOP;
	}
after_open_fp:
	if (str_key_len >= sizeof(".phar")-1 && !memcmp(str_key, ".phar", sizeof(".phar")-1)) {
		/* silently skip any files that would be added to the magic .phar directory */
		if (save) {
			efree(save);
		}

		if (temp) {
			efree(temp);
		}

		if (opened) {
			zend_string_release_ex(opened, 0);
		}

		if (close_fp) {
			php_stream_close(fp);
		}

		return ZEND_HASH_APPLY_KEEP;
	}

	if (!(data = phar_get_or_create_entry_data(phar_obj->archive->fname, phar_obj->archive->fname_len, str_key, str_key_len, "w+b", 0, &error, 1))) {
		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, "Entry %s cannot be created: %s", str_key, error);
		efree(error);

		if (save) {
			efree(save);
		}

		if (opened) {
			zend_string_release_ex(opened, 0);
		}

		if (temp) {
			efree(temp);
		}

		if (close_fp) {
			php_stream_close(fp);
		}

		return ZEND_HASH_APPLY_STOP;

	} else {
		if (error) {
			efree(error);
		}
		/* convert to PHAR_UFP */
		if (data->internal_file->fp_type == PHAR_MOD) {
			php_stream_close(data->internal_file->fp);
		}

		data->internal_file->fp = NULL;
		data->internal_file->fp_type = PHAR_UFP;
		data->internal_file->offset_abs = data->internal_file->offset = php_stream_tell(p_obj->fp);
		data->fp = NULL;
		php_stream_copy_to_stream_ex(fp, p_obj->fp, PHP_STREAM_COPY_ALL, &contents_len);
		data->internal_file->uncompressed_filesize = data->internal_file->compressed_filesize =
			php_stream_tell(p_obj->fp) - data->internal_file->offset;
		if (php_stream_stat(fp, &ssb) != -1) {
			data->internal_file->flags = ssb.sb.st_mode & PHAR_ENT_PERM_MASK ;
		} else {
#ifndef _WIN32
			mode_t mask;
			mask = umask(0);
			umask(mask);
			data->internal_file->flags &= ~mask;
#endif
		}
	}

	if (close_fp) {
		php_stream_close(fp);
	}

	add_assoc_str(p_obj->ret, str_key, opened);

	if (save) {
		efree(save);
	}

	if (temp) {
		efree(temp);
	}

	data->internal_file->compressed_filesize = data->internal_file->uncompressed_filesize = contents_len;
	phar_entry_delref(data);

	return ZEND_HASH_APPLY_KEEP;
}
/* }}} */

/* {{{ Construct a phar archive from an existing directory, recursively.
 * Optional second parameter is a regular expression for filtering directory contents.
 *
 * Return value is an array mapping phar index to actual files added.
 */
PHP_METHOD(Phar, buildFromDirectory)
{
	char *error;
	bool apply_reg = 0;
	zval arg, arg2, iter, iteriter, regexiter;
	struct _phar_t pass;
	zend_string *dir, *regex = NULL;

	if (zend_parse_parameters(ZEND_NUM_ARGS(), "P|S", &dir, &regex) == FAILURE) {
		RETURN_THROWS();
	}

	PHAR_ARCHIVE_OBJECT();

	if (PHAR_G(readonly) && !phar_obj->archive->is_data) {
		zend_throw_exception_ex(spl_ce_UnexpectedValueException, 0,
			"Cannot write to archive - write operations restricted by INI setting");
		RETURN_THROWS();
	}

	if (SUCCESS != object_init_ex(&iter, spl_ce_RecursiveDirectoryIterator)) {
		zval_ptr_dtor(&iter);
		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, "Unable to instantiate directory iterator for %s", phar_obj->archive->fname);
		RETURN_THROWS();
	}

	ZVAL_STR(&arg, dir);
	ZVAL_LONG(&arg2, SPL_FILE_DIR_SKIPDOTS|SPL_FILE_DIR_UNIXPATHS);

	zend_call_known_instance_method_with_2_params(spl_ce_RecursiveDirectoryIterator->constructor,
		Z_OBJ(iter), NULL, &arg, &arg2);

	if (EG(exception)) {
		zval_ptr_dtor(&iter);
		RETURN_THROWS();
	}

	if (SUCCESS != object_init_ex(&iteriter, spl_ce_RecursiveIteratorIterator)) {
		zval_ptr_dtor(&iter);
		zval_ptr_dtor(&iteriter);
		zend_throw_exception_ex(spl_ce_BadMethodCallException, 0, "Unable to instantiate directory iterator for %s", phar_obj->archive->fname);
		RETURN_THROW…