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php_zip.c
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/*
+----------------------------------------------------------------------+
| PHP Version 7 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2017 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: |
| http://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 |
| [email protected] so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Piere-Alain Joye <[email protected]> |
+----------------------------------------------------------------------+
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#include "php_ini.h"
#include "ext/standard/info.h"
#include "ext/standard/file.h"
#include "ext/standard/php_string.h"
#include "ext/pcre/php_pcre.h"
#include "ext/standard/php_filestat.h"
#include "php_zip.h"
/* zip_open is a macro for renaming libzip zipopen, so we need to use PHP_NAMED_FUNCTION */
static PHP_NAMED_FUNCTION(zif_zip_open);
static PHP_NAMED_FUNCTION(zif_zip_read);
static PHP_NAMED_FUNCTION(zif_zip_close);
static PHP_NAMED_FUNCTION(zif_zip_entry_read);
static PHP_NAMED_FUNCTION(zif_zip_entry_filesize);
static PHP_NAMED_FUNCTION(zif_zip_entry_name);
static PHP_NAMED_FUNCTION(zif_zip_entry_compressedsize);
static PHP_NAMED_FUNCTION(zif_zip_entry_compressionmethod);
static PHP_NAMED_FUNCTION(zif_zip_entry_open);
static PHP_NAMED_FUNCTION(zif_zip_entry_close);
#ifdef HAVE_GLOB
#ifndef PHP_WIN32
#include <glob.h>
#else
#include "win32/glob.h"
#endif
#endif
/* {{{ Resource le */
static int le_zip_dir;
#define le_zip_dir_name "Zip Directory"
static int le_zip_entry;
#define le_zip_entry_name "Zip Entry"
/* }}} */
/* {{{ PHP_ZIP_STAT_INDEX(za, index, flags, sb) */
#define PHP_ZIP_STAT_INDEX(za, index, flags, sb) \
if (zip_stat_index(za, index, flags, &sb) != 0) { \
RETURN_FALSE; \
}
/* }}} */
/* {{{ PHP_ZIP_STAT_PATH(za, path, path_len, flags, sb) */
#define PHP_ZIP_STAT_PATH(za, path, path_len, flags, sb) \
if (path_len < 1) { \
php_error_docref(NULL, E_NOTICE, "Empty string as entry name"); \
RETURN_FALSE; \
} \
if (zip_stat(za, path, flags, &sb) != 0) { \
RETURN_FALSE; \
}
/* }}} */
/* {{{ PHP_ZIP_SET_FILE_COMMENT(za, index, comment, comment_len) */
#define PHP_ZIP_SET_FILE_COMMENT(za, index, comment, comment_len) \
if (comment_len == 0) { \
/* Passing NULL remove the existing comment */ \
if (zip_set_file_comment(za, index, NULL, 0) < 0) { \
RETURN_FALSE; \
} \
} else if (zip_set_file_comment(za, index, comment, comment_len) < 0) { \
RETURN_FALSE; \
} \
RETURN_TRUE;
/* }}} */
# define add_ascii_assoc_string add_assoc_string
# define add_ascii_assoc_long add_assoc_long
/* Flatten a path by making a relative path (to .)*/
static char * php_zip_make_relative_path(char *path, size_t path_len) /* {{{ */
{
char *path_begin = path;
size_t i;
if (path_len < 1 || path == NULL) {
return NULL;
}
if (IS_SLASH(path[0])) {
return path + 1;
}
i = path_len;
while (1) {
while (i > 0 && !IS_SLASH(path[i])) {
i--;
}
if (!i) {
return path;
}
if (i >= 2 && (path[i -1] == '.' || path[i -1] == ':')) {
/* i is the position of . or :, add 1 for / */
path_begin = path + i + 1;
break;
}
i--;
}
return path_begin;
}
/* }}} */
# define CWD_STATE_ALLOC(l) emalloc(l)
# define CWD_STATE_FREE(s) efree(s)
/* {{{ php_zip_extract_file */
static int php_zip_extract_file(struct zip * za, char *dest, char *file, int file_len)
{
php_stream_statbuf ssb;
struct zip_file *zf;
struct zip_stat sb;
char b[8192];
int n, len, ret;
php_stream *stream;
char *fullpath;
char *file_dirname_fullpath;
char file_dirname[MAXPATHLEN];
size_t dir_len;
int is_dir_only = 0;
char *path_cleaned;
size_t path_cleaned_len;
cwd_state new_state;
zend_string *file_basename;
new_state.cwd = CWD_STATE_ALLOC(1);
new_state.cwd[0] = '\0';
new_state.cwd_length = 0;
/* Clean/normlize the path and then transform any path (absolute or relative)
to a path relative to cwd (../../mydir/foo.txt > mydir/foo.txt)
*/
virtual_file_ex(&new_state, file, NULL, CWD_EXPAND);
path_cleaned = php_zip_make_relative_path(new_state.cwd, new_state.cwd_length);
if(!path_cleaned) {
return 0;
}
path_cleaned_len = strlen(path_cleaned);
if (path_cleaned_len >= MAXPATHLEN || zip_stat(za, file, 0, &sb) != 0) {
return 0;
}
/* it is a directory only, see #40228 */
if (path_cleaned_len > 1 && IS_SLASH(path_cleaned[path_cleaned_len - 1])) {
len = spprintf(&file_dirname_fullpath, 0, "%s/%s", dest, path_cleaned);
is_dir_only = 1;
} else {
memcpy(file_dirname, path_cleaned, path_cleaned_len);
dir_len = php_dirname(file_dirname, path_cleaned_len);
if (dir_len <= 0 || (dir_len == 1 && file_dirname[0] == '.')) {
len = spprintf(&file_dirname_fullpath, 0, "%s", dest);
} else {
len = spprintf(&file_dirname_fullpath, 0, "%s/%s", dest, file_dirname);
}
file_basename = php_basename(path_cleaned, path_cleaned_len, NULL, 0);
if (ZIP_OPENBASEDIR_CHECKPATH(file_dirname_fullpath)) {
efree(file_dirname_fullpath);
zend_string_release(file_basename);
CWD_STATE_FREE(new_state.cwd);
return 0;
}
}
/* let see if the path already exists */
if (php_stream_stat_path_ex(file_dirname_fullpath, PHP_STREAM_URL_STAT_QUIET, &ssb, NULL) < 0) {
ret = php_stream_mkdir(file_dirname_fullpath, 0777, PHP_STREAM_MKDIR_RECURSIVE|REPORT_ERRORS, NULL);
if (!ret) {
efree(file_dirname_fullpath);
if (!is_dir_only) {
zend_string_release(file_basename);
CWD_STATE_FREE(new_state.cwd);
}
return 0;
}
}
/* it is a standalone directory, job done */
if (is_dir_only) {
efree(file_dirname_fullpath);
CWD_STATE_FREE(new_state.cwd);
return 1;
}
len = spprintf(&fullpath, 0, "%s/%s", file_dirname_fullpath, ZSTR_VAL(file_basename));
if (!len) {
efree(file_dirname_fullpath);
zend_string_release(file_basename);
CWD_STATE_FREE(new_state.cwd);
return 0;
} else if (len > MAXPATHLEN) {
php_error_docref(NULL, E_WARNING, "Full extraction path exceed MAXPATHLEN (%i)", MAXPATHLEN);
efree(file_dirname_fullpath);
zend_string_release(file_basename);
CWD_STATE_FREE(new_state.cwd);
return 0;
}
/* check again the full path, not sure if it
* is required, does a file can have a different
* safemode status as its parent folder?
*/
if (ZIP_OPENBASEDIR_CHECKPATH(fullpath)) {
efree(fullpath);
efree(file_dirname_fullpath);
zend_string_release(file_basename);
CWD_STATE_FREE(new_state.cwd);
return 0;
}
zf = zip_fopen(za, file, 0);
if (zf == NULL) {
n = -1;
goto done;
}
stream = php_stream_open_wrapper(fullpath, "w+b", REPORT_ERRORS, NULL);
if (stream == NULL) {
n = -1;
zip_fclose(zf);
goto done;
}
n = 0;
while ((n=zip_fread(zf, b, sizeof(b))) > 0) {
php_stream_write(stream, b, n);
}
php_stream_close(stream);
n = zip_fclose(zf);
done:
efree(fullpath);
zend_string_release(file_basename);
efree(file_dirname_fullpath);
CWD_STATE_FREE(new_state.cwd);
if (n<0) {
return 0;
} else {
return 1;
}
}
/* }}} */
static int php_zip_add_file(struct zip *za, const char *filename, size_t filename_len,
char *entry_name, size_t entry_name_len, long offset_start, long offset_len) /* {{{ */
{
struct zip_source *zs;
char resolved_path[MAXPATHLEN];
zval exists_flag;
if (ZIP_OPENBASEDIR_CHECKPATH(filename)) {
return -1;
}
if (!expand_filepath(filename, resolved_path)) {
return -1;
}
php_stat(resolved_path, strlen(resolved_path), FS_EXISTS, &exists_flag);
if (Z_TYPE(exists_flag) == IS_FALSE) {
return -1;
}
zs = zip_source_file(za, resolved_path, offset_start, offset_len);
if (!zs) {
return -1;
}
if (zip_file_add(za, entry_name, zs, ZIP_FL_OVERWRITE) < 0) {
zip_source_free(zs);
return -1;
} else {
zip_error_clear(za);
return 1;
}
}
/* }}} */
static int php_zip_parse_options(zval *options, zend_long *remove_all_path, char **remove_path, size_t *remove_path_len, char **add_path, size_t *add_path_len) /* {{{ */
{
zval *option;
if ((option = zend_hash_str_find(Z_ARRVAL_P(options), "remove_all_path", sizeof("remove_all_path") - 1)) != NULL) {
*remove_all_path = zval_get_long(option);
}
/* If I add more options, it would make sense to create a nice static struct and loop over it. */
if ((option = zend_hash_str_find(Z_ARRVAL_P(options), "remove_path", sizeof("remove_path") - 1)) != NULL) {
if (Z_TYPE_P(option) != IS_STRING) {
php_error_docref(NULL, E_WARNING, "remove_path option expected to be a string");
return -1;
}
if (Z_STRLEN_P(option) < 1) {
php_error_docref(NULL, E_NOTICE, "Empty string given as remove_path option");
return -1;
}
if (Z_STRLEN_P(option) >= MAXPATHLEN) {
php_error_docref(NULL, E_WARNING, "remove_path string is too long (max: %d, %zd given)",
MAXPATHLEN - 1, Z_STRLEN_P(option));
return -1;
}
*remove_path_len = Z_STRLEN_P(option);
*remove_path = Z_STRVAL_P(option);
}
if ((option = zend_hash_str_find(Z_ARRVAL_P(options), "add_path", sizeof("add_path") - 1)) != NULL) {
if (Z_TYPE_P(option) != IS_STRING) {
php_error_docref(NULL, E_WARNING, "add_path option expected to be a string");
return -1;
}
if (Z_STRLEN_P(option) < 1) {
php_error_docref(NULL, E_NOTICE, "Empty string given as the add_path option");
return -1;
}
if (Z_STRLEN_P(option) >= MAXPATHLEN) {
php_error_docref(NULL, E_WARNING, "add_path string too long (max: %d, %zd given)",
MAXPATHLEN - 1, Z_STRLEN_P(option));
return -1;
}
*add_path_len = Z_STRLEN_P(option);
*add_path = Z_STRVAL_P(option);
}
return 1;
}
/* }}} */
/* {{{ REGISTER_ZIP_CLASS_CONST_LONG */
#define REGISTER_ZIP_CLASS_CONST_LONG(const_name, value) \
zend_declare_class_constant_long(zip_class_entry, const_name, sizeof(const_name)-1, (zend_long)value);
/* }}} */
/* {{{ ZIP_FROM_OBJECT */
#define ZIP_FROM_OBJECT(intern, object) \
{ \
ze_zip_object *obj = Z_ZIP_P(object); \
intern = obj->za; \
if (!intern) { \
php_error_docref(NULL, E_WARNING, "Invalid or uninitialized Zip object"); \
RETURN_FALSE; \
} \
}
/* }}} */
/* {{{ RETURN_SB(sb) */
#define RETURN_SB(sb) \
{ \
array_init(return_value); \
add_ascii_assoc_string(return_value, "name", (char *)(sb)->name); \
add_ascii_assoc_long(return_value, "index", (zend_long) (sb)->index); \
add_ascii_assoc_long(return_value, "crc", (zend_long) (sb)->crc); \
add_ascii_assoc_long(return_value, "size", (zend_long) (sb)->size); \
add_ascii_assoc_long(return_value, "mtime", (zend_long) (sb)->mtime); \
add_ascii_assoc_long(return_value, "comp_size", (zend_long) (sb)->comp_size); \
add_ascii_assoc_long(return_value, "comp_method", (zend_long) (sb)->comp_method); \
}
/* }}} */
static int php_zip_status(struct zip *za) /* {{{ */
{
#if LIBZIP_VERSION_MAJOR < 1
int zep, syp;
zip_error_get(za, &zep, &syp);
#else
int zep;
zip_error_t *err;
err = zip_get_error(za);
zep = zip_error_code_zip(err);
zip_error_fini(err);
#endif
return zep;
}
/* }}} */
static int php_zip_status_sys(struct zip *za) /* {{{ */
{
#if LIBZIP_VERSION_MAJOR < 1
int zep, syp;
zip_error_get(za, &zep, &syp);
#else
int syp;
zip_error_t *err;
err = zip_get_error(za);
syp = zip_error_code_system(err);
zip_error_fini(err);
#endif
return syp;
}
/* }}} */
static int php_zip_get_num_files(struct zip *za) /* {{{ */
{
return zip_get_num_files(za);
}
/* }}} */
static char * php_zipobj_get_filename(ze_zip_object *obj) /* {{{ */
{
if (!obj) {
return NULL;
}
if (obj->filename) {
return obj->filename;
}
return NULL;
}
/* }}} */
static char * php_zipobj_get_zip_comment(struct zip *za, int *len) /* {{{ */
{
if (za) {
return (char *)zip_get_archive_comment(za, len, 0);
}
return NULL;
}
/* }}} */
#ifdef HAVE_GLOB /* {{{ */
#ifndef GLOB_ONLYDIR
#define GLOB_ONLYDIR (1<<30)
#define GLOB_EMULATE_ONLYDIR
#define GLOB_FLAGMASK (~GLOB_ONLYDIR)
#else
#define GLOB_FLAGMASK (~0)
#endif
#ifndef GLOB_BRACE
# define GLOB_BRACE 0
#endif
#ifndef GLOB_MARK
# define GLOB_MARK 0
#endif
#ifndef GLOB_NOSORT
# define GLOB_NOSORT 0
#endif
#ifndef GLOB_NOCHECK
# define GLOB_NOCHECK 0
#endif
#ifndef GLOB_NOESCAPE
# define GLOB_NOESCAPE 0
#endif
#ifndef GLOB_ERR
# define GLOB_ERR 0
#endif
/* This is used for checking validity of passed flags (passing invalid flags causes segfault in glob()!! */
#define GLOB_AVAILABLE_FLAGS (0 | GLOB_BRACE | GLOB_MARK | GLOB_NOSORT | GLOB_NOCHECK | GLOB_NOESCAPE | GLOB_ERR | GLOB_ONLYDIR)
#endif /* }}} */
int php_zip_glob(char *pattern, int pattern_len, zend_long flags, zval *return_value) /* {{{ */
{
#ifdef HAVE_GLOB
char cwd[MAXPATHLEN];
int cwd_skip = 0;
#ifdef ZTS
char work_pattern[MAXPATHLEN];
char *result;
#endif
glob_t globbuf;
uint32_t n;
int ret;
if (pattern_len >= MAXPATHLEN) {
php_error_docref(NULL, E_WARNING, "Pattern exceeds the maximum allowed length of %d characters", MAXPATHLEN);
return -1;
}
if ((GLOB_AVAILABLE_FLAGS & flags) != flags) {
php_error_docref(NULL, E_WARNING, "At least one of the passed flags is invalid or not supported on this platform");
return -1;
}
#ifdef ZTS
if (!IS_ABSOLUTE_PATH(pattern, pattern_len)) {
result = VCWD_GETCWD(cwd, MAXPATHLEN);
if (!result) {
cwd[0] = '\0';
}
#ifdef PHP_WIN32
if (IS_SLASH(*pattern)) {
cwd[2] = '\0';
}
#endif
cwd_skip = strlen(cwd)+1;
snprintf(work_pattern, MAXPATHLEN, "%s%c%s", cwd, DEFAULT_SLASH, pattern);
pattern = work_pattern;
}
#endif
globbuf.gl_offs = 0;
if (0 != (ret = glob(pattern, flags & GLOB_FLAGMASK, NULL, &globbuf))) {
#ifdef GLOB_NOMATCH
if (GLOB_NOMATCH == ret) {
/* Some glob implementation simply return no data if no matches
were found, others return the GLOB_NOMATCH error code.
We don't want to treat GLOB_NOMATCH as an error condition
so that PHP glob() behaves the same on both types of
implementations and so that 'foreach (glob() as ...'
can be used for simple glob() calls without further error
checking.
*/
array_init(return_value);
return 0;
}
#endif
return 0;
}
/* now catch the FreeBSD style of "no matches" */
if (!globbuf.gl_pathc || !globbuf.gl_pathv) {
array_init(return_value);
return 0;
}
/* we assume that any glob pattern will match files from one directory only
so checking the dirname of the first match should be sufficient */
strncpy(cwd, globbuf.gl_pathv[0], MAXPATHLEN);
if (ZIP_OPENBASEDIR_CHECKPATH(cwd)) {
return -1;
}
array_init(return_value);
for (n = 0; n < globbuf.gl_pathc; n++) {
/* we need to do this every time since GLOB_ONLYDIR does not guarantee that
* all directories will be filtered. GNU libc documentation states the
* following:
* If the information about the type of the file is easily available
* non-directories will be rejected but no extra work will be done to
* determine the information for each file. I.e., the caller must still be
* able to filter directories out.
*/
if (flags & GLOB_ONLYDIR) {
zend_stat_t s;
if (0 != VCWD_STAT(globbuf.gl_pathv[n], &s)) {
continue;
}
if (S_IFDIR != (s.st_mode & S_IFMT)) {
continue;
}
}
add_next_index_string(return_value, globbuf.gl_pathv[n]+cwd_skip);
}
globfree(&globbuf);
return globbuf.gl_pathc;
#else
zend_throw_error(NULL, "Glob support is not available");
return 0;
#endif /* HAVE_GLOB */
}
/* }}} */
int php_zip_pcre(zend_string *regexp, char *path, int path_len, zval *return_value) /* {{{ */
{
#ifdef ZTS
char cwd[MAXPATHLEN];
int cwd_skip = 0;
char work_path[MAXPATHLEN];
char *result;
#endif
int files_cnt;
zend_string **namelist;
#ifdef ZTS
if (!IS_ABSOLUTE_PATH(path, path_len)) {
result = VCWD_GETCWD(cwd, MAXPATHLEN);
if (!result) {
cwd[0] = '\0';
}
#ifdef PHP_WIN32
if (IS_SLASH(*path)) {
cwd[2] = '\0';
}
#endif
cwd_skip = strlen(cwd)+1;
snprintf(work_path, MAXPATHLEN, "%s%c%s", cwd, DEFAULT_SLASH, path);
path = work_path;
}
#endif
if (ZIP_OPENBASEDIR_CHECKPATH(path)) {
return -1;
}
files_cnt = php_stream_scandir(path, &namelist, NULL, (void *) php_stream_dirent_alphasort);
if (files_cnt > 0) {
pcre *re = NULL;
pcre_extra *pcre_extra = NULL;
int preg_options = 0, i;
re = pcre_get_compiled_regex(regexp, &pcre_extra, &preg_options);
if (!re) {
php_error_docref(NULL, E_WARNING, "Invalid expression");
return -1;
}
array_init(return_value);
/* only the files, directories are ignored */
for (i = 0; i < files_cnt; i++) {
zend_stat_t s;
char fullpath[MAXPATHLEN];
int ovector[3];
int matches;
int namelist_len = ZSTR_LEN(namelist[i]);
if ((namelist_len == 1 && ZSTR_VAL(namelist[i])[0] == '.') ||
(namelist_len == 2 && ZSTR_VAL(namelist[i])[0] == '.' && ZSTR_VAL(namelist[i])[1] == '.')) {
zend_string_release(namelist[i]);
continue;
}
if ((path_len + namelist_len + 1) >= MAXPATHLEN) {
php_error_docref(NULL, E_WARNING, "add_path string too long (max: %i, %i given)",
MAXPATHLEN - 1, (path_len + namelist_len + 1));
zend_string_release(namelist[i]);
break;
}
snprintf(fullpath, MAXPATHLEN, "%s%c%s", path, DEFAULT_SLASH, ZSTR_VAL(namelist[i]));
if (0 != VCWD_STAT(fullpath, &s)) {
php_error_docref(NULL, E_WARNING, "Cannot read <%s>", fullpath);
zend_string_release(namelist[i]);
continue;
}
if (S_IFDIR == (s.st_mode & S_IFMT)) {
zend_string_release(namelist[i]);
continue;
}
matches = pcre_exec(re, NULL, ZSTR_VAL(namelist[i]), ZSTR_LEN(namelist[i]), 0, 0, ovector, 3);
/* 0 means that the vector is too small to hold all the captured substring offsets */
if (matches < 0) {
zend_string_release(namelist[i]);
continue;
}
add_next_index_string(return_value, fullpath);
zend_string_release(namelist[i]);
}
efree(namelist);
}
return files_cnt;
}
/* }}} */
/* {{{ arginfo */
ZEND_BEGIN_ARG_INFO_EX(arginfo_zip_open, 0, 0, 1)
ZEND_ARG_INFO(0, filename)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_zip_close, 0, 0, 1)
ZEND_ARG_INFO(0, zip)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_zip_read, 0, 0, 1)
ZEND_ARG_INFO(0, zip)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_zip_entry_open, 0, 0, 2)
ZEND_ARG_INFO(0, zip_dp)
ZEND_ARG_INFO(0, zip_entry)
ZEND_ARG_INFO(0, mode)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_zip_entry_close, 0, 0, 1)
ZEND_ARG_INFO(0, zip_ent)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_zip_entry_read, 0, 0, 1)
ZEND_ARG_INFO(0, zip_entry)
ZEND_ARG_INFO(0, len)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_zip_entry_name, 0, 0, 1)
ZEND_ARG_INFO(0, zip_entry)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_zip_entry_compressedsize, 0, 0, 1)
ZEND_ARG_INFO(0, zip_entry)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_zip_entry_filesize, 0, 0, 1)
ZEND_ARG_INFO(0, zip_entry)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_zip_entry_compressionmethod, 0, 0, 1)
ZEND_ARG_INFO(0, zip_entry)
ZEND_END_ARG_INFO()
/* }}} */
/* {{{ zend_function_entry */
static const zend_function_entry zip_functions[] = {
ZEND_RAW_FENTRY("zip_open", zif_zip_open, arginfo_zip_open, 0)
ZEND_RAW_FENTRY("zip_close", zif_zip_close, arginfo_zip_close, 0)
ZEND_RAW_FENTRY("zip_read", zif_zip_read, arginfo_zip_read, 0)
PHP_FE(zip_entry_open, arginfo_zip_entry_open)
PHP_FE(zip_entry_close, arginfo_zip_entry_close)
PHP_FE(zip_entry_read, arginfo_zip_entry_read)
PHP_FE(zip_entry_filesize, arginfo_zip_entry_filesize)
PHP_FE(zip_entry_name, arginfo_zip_entry_name)
PHP_FE(zip_entry_compressedsize, arginfo_zip_entry_compressedsize)
PHP_FE(zip_entry_compressionmethod, arginfo_zip_entry_compressionmethod)
#ifdef PHP_FE_END
PHP_FE_END
#else
{NULL,NULL,NULL}
#endif
};
/* }}} */
/* {{{ ZE2 OO definitions */
static zend_class_entry *zip_class_entry;
static zend_object_handlers zip_object_handlers;
static HashTable zip_prop_handlers;
typedef int (*zip_read_int_t)(struct zip *za);
typedef char *(*zip_read_const_char_t)(struct zip *za, int *len);
typedef char *(*zip_read_const_char_from_ze_t)(ze_zip_object *obj);
typedef struct _zip_prop_handler {
zip_read_int_t read_int_func;
zip_read_const_char_t read_const_char_func;
zip_read_const_char_from_ze_t read_const_char_from_obj_func;
int type;
} zip_prop_handler;
/* }}} */
static void php_zip_register_prop_handler(HashTable *prop_handler, char *name, zip_read_int_t read_int_func, zip_read_const_char_t read_char_func, zip_read_const_char_from_ze_t read_char_from_obj_func, int rettype) /* {{{ */
{
zip_prop_handler hnd;
hnd.read_const_char_func = read_char_func;
hnd.read_int_func = read_int_func;
hnd.read_const_char_from_obj_func = read_char_from_obj_func;
hnd.type = rettype;
zend_hash_str_add_mem(prop_handler, name, strlen(name), &hnd, sizeof(zip_prop_handler));
}
/* }}} */
static zval *php_zip_property_reader(ze_zip_object *obj, zip_prop_handler *hnd, zval *rv) /* {{{ */
{
const char *retchar = NULL;
int retint = 0;
int len = 0;
if (obj && obj->za != NULL) {
if (hnd->read_const_char_func) {
retchar = hnd->read_const_char_func(obj->za, &len);
} else {
if (hnd->read_int_func) {
retint = hnd->read_int_func(obj->za);
if (retint == -1) {
php_error_docref(NULL, E_WARNING, "Internal zip error returned");
return NULL;
}
} else {
if (hnd->read_const_char_from_obj_func) {
retchar = hnd->read_const_char_from_obj_func(obj);
len = strlen(retchar);
}
}
}
}
switch (hnd->type) {
case IS_STRING:
if (retchar) {
ZVAL_STRINGL(rv, (char *) retchar, len);
} else {
ZVAL_EMPTY_STRING(rv);
}
break;
/* case IS_TRUE */
case IS_FALSE:
ZVAL_BOOL(rv, (long)retint);
break;
case IS_LONG:
ZVAL_LONG(rv, (long)retint);
break;
default:
ZVAL_NULL(rv);
}
return rv;
}
/* }}} */
static zval *php_zip_get_property_ptr_ptr(zval *object, zval *member, int type, void **cache_slot) /* {{{ */
{
ze_zip_object *obj;
zval tmp_member;
zval *retval = NULL;
zip_prop_handler *hnd = NULL;
zend_object_handlers *std_hnd;
if (Z_TYPE_P(member) != IS_STRING) {
ZVAL_COPY(&tmp_member, member);
convert_to_string(&tmp_member);
member = &tmp_member;
cache_slot = NULL;
}
obj = Z_ZIP_P(object);
if (obj->prop_handler != NULL) {
hnd = zend_hash_find_ptr(obj->prop_handler, Z_STR_P(member));
}
if (hnd == NULL) {
std_hnd = zend_get_std_object_handlers();
retval = std_hnd->get_property_ptr_ptr(object, member, type, cache_slot);
}
if (member == &tmp_member) {
zval_dtor(member);
}
return retval;
}
/* }}} */
static zval *php_zip_read_property(zval *object, zval *member, int type, void **cache_slot, zval *rv) /* {{{ */
{
ze_zip_object *obj;
zval tmp_member;
zval *retval = NULL;
zip_prop_handler *hnd = NULL;
zend_object_handlers *std_hnd;
if (Z_TYPE_P(member) != IS_STRING) {
ZVAL_COPY(&tmp_member, member);
convert_to_string(&tmp_member);
member = &tmp_member;
cache_slot = NULL;
}
obj = Z_ZIP_P(object);
if (obj->prop_handler != NULL) {
hnd = zend_hash_find_ptr(obj->prop_handler, Z_STR_P(member));
}
if (hnd != NULL) {
retval = php_zip_property_reader(obj, hnd, rv);
if (retval == NULL) {
retval = &EG(uninitialized_zval);
}
} else {
std_hnd = zend_get_std_object_handlers();
retval = std_hnd->read_property(object, member, type, cache_slot, rv);
}
if (member == &tmp_member) {
zval_dtor(member);
}
return retval;
}
/* }}} */
static int php_zip_has_property(zval *object, zval *member, int type, void **cache_slot) /* {{{ */
{
ze_zip_object *obj;
zval tmp_member;
zip_prop_handler *hnd = NULL;
zend_object_handlers *std_hnd;
int retval = 0;
if (Z_TYPE_P(member) != IS_STRING) {
ZVAL_COPY(&tmp_member, member);
convert_to_string(&tmp_member);
member = &tmp_member;
cache_slot = NULL;
}
obj = Z_ZIP_P(object);
if (obj->prop_handler != NULL) {
hnd = zend_hash_find_ptr(obj->prop_handler, Z_STR_P(member));
}
if (hnd != NULL) {
zval tmp, *prop;
if (type == 2) {
retval = 1;
} else if ((prop = php_zip_property_reader(obj, hnd, &tmp)) != NULL) {
if (type == 1) {
retval = zend_is_true(&tmp);
} else if (type == 0) {
retval = (Z_TYPE(tmp) != IS_NULL);
}
}
zval_ptr_dtor(&tmp);
} else {
std_hnd = zend_get_std_object_handlers();
retval = std_hnd->has_property(object, member, type, cache_slot);
}
if (member == &tmp_member) {
zval_dtor(member);
}
return retval;
}
/* }}} */
static HashTable *php_zip_get_gc(zval *object, zval **gc_data, int *gc_data_count) /* {{{ */
{
*gc_data = NULL;
*gc_data_count = 0;
return zend_std_get_properties(object);
}
/* }}} */
static HashTable *php_zip_get_properties(zval *object)/* {{{ */
{
ze_zip_object *obj;
HashTable *props;
zip_prop_handler *hnd;
zend_string *key;
obj = Z_ZIP_P(object);
props = zend_std_get_properties(object);
if (obj->prop_handler == NULL) {
return NULL;
}
ZEND_HASH_FOREACH_STR_KEY_PTR(obj->prop_handler, key, hnd) {
zval *ret, val;
ret = php_zip_property_reader(obj, hnd, &val);
if (ret == NULL) {
ret = &EG(uninitialized_zval);
}
zend_hash_update(props, key, ret);
} ZEND_HASH_FOREACH_END();
return props;
}
/* }}} */
static void php_zip_object_free_storage(zend_object *object) /* {{{ */
{
ze_zip_object * intern = php_zip_fetch_object(object);
int i;