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php_zip.c
2129 lines (1790 loc) · 50.8 KB
/
php_zip.c
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/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2008 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 |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Piere-Alain Joye <pierre@php.net |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#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 "php_zip.h"
#include "lib/zip.h"
#include "lib/zipint.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);
/* {{{ 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 TSRMLS_CC, 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(intern, index, NULL, 0) < 0) { \
RETURN_FALSE; \
} \
} else if (zip_set_file_comment(intern, index, comment, comment_len) < 0) { \
RETURN_FALSE; \
} \
RETURN_TRUE;
/* }}} */
/* {{{ php_zip_extract_file */
/* TODO: Simplify it */
static int php_zip_extract_file(struct zip * za, char *dest, char *file, int file_len TSRMLS_DC)
{
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;
char *file_basename;
size_t file_basename_len;
int is_dir_only = 0;
if (file_len >= MAXPATHLEN || zip_stat(za, file, 0, &sb) != 0) {
return 0;
}
if (file_len > 1 && file[file_len - 1] == '/') {
len = spprintf(&file_dirname_fullpath, 0, "%s/%s", dest, file);
is_dir_only = 1;
} else {
memcpy(file_dirname, file, file_len);
dir_len = php_dirname(file_dirname, file_len);
if (dir_len > 0) {
len = spprintf(&file_dirname_fullpath, 0, "%s/%s", dest, file_dirname);
} else {
len = spprintf(&file_dirname_fullpath, 0, "%s", dest);
}
php_basename(file, file_len, NULL, 0, &file_basename, (size_t *)&file_basename_len TSRMLS_CC);
if (OPENBASEDIR_CHECKPATH(file_dirname_fullpath)) {
efree(file_dirname_fullpath);
efree(file_basename);
return 0;
}
}
/* let see if the path already exists */
if (php_stream_stat_path(file_dirname_fullpath, &ssb) < 0) {
ret = php_stream_mkdir(file_dirname_fullpath, 0777, PHP_STREAM_MKDIR_RECURSIVE, NULL);
if (!ret) {
efree(file_dirname_fullpath);
efree(file_basename);
return 0;
}
}
/* it is a standalone directory, job done */
if (file[file_len - 1] == '/') {
efree(file_dirname_fullpath);
if (!is_dir_only) {
efree(file_basename);
}
return 1;
}
len = spprintf(&fullpath, 0, "%s/%s/%s", dest, file_dirname, file_basename);
if (!len) {
efree(file_dirname_fullpath);
efree(file_basename);
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 (OPENBASEDIR_CHECKPATH(fullpath)) {
efree(fullpath);
efree(file_dirname_fullpath);
efree(file_basename);
return 0;
}
zf = zip_fopen(za, file, 0);
if (zf == NULL) {
efree(fullpath);
efree(file_dirname_fullpath);
efree(file_basename);
return 0;
}
stream = php_stream_open_wrapper(fullpath, "w+b", REPORT_ERRORS|ENFORCE_SAFE_MODE, NULL);
n = 0;
if (stream) {
while ((n=zip_fread(zf, b, sizeof(b))) > 0) php_stream_write(stream, b, n);
php_stream_close(stream);
}
n = zip_fclose(zf);
efree(fullpath);
efree(file_basename);
efree(file_dirname_fullpath);
if (n<0) {
return 0;
} else {
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, (long)value TSRMLS_CC);
/* }}} */
/* {{{ ZIP_FROM_OBJECT */
#define ZIP_FROM_OBJECT(intern, object) \
{ \
ze_zip_object *obj = (ze_zip_object*) zend_object_store_get_object(object TSRMLS_CC); \
intern = obj->za; \
if (!intern) { \
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid or unitialized Zip object"); \
RETURN_FALSE; \
} \
}
/* }}} */
/* {{{ RETURN_SB(sb) */
#define RETURN_SB(sb) \
{ \
array_init(return_value); \
add_assoc_string(return_value, "name", (char *)(sb)->name, 1); \
add_assoc_long(return_value, "index", (long) (sb)->index); \
add_assoc_long(return_value, "crc", (long) (sb)->crc); \
add_assoc_long(return_value, "size", (long) (sb)->size); \
add_assoc_long(return_value, "mtime", (long) (sb)->mtime); \
add_assoc_long(return_value, "comp_size", (long) (sb)->comp_size); \
add_assoc_long(return_value, "comp_method", (long) (sb)->comp_method); \
}
/* }}} */
static int php_zip_status(struct zip *za TSRMLS_DC) /* {{{ */
{
int zep, syp;
zip_error_get(za, &zep, &syp);
return zep;
}
/* }}} */
static int php_zip_status_sys(struct zip *za TSRMLS_DC) /* {{{ */
{
int zep, syp;
zip_error_get(za, &zep, &syp);
return syp;
}
/* }}} */
static int php_zip_get_num_files(struct zip *za TSRMLS_DC) /* {{{ */
{
return zip_get_num_files(za);
}
/* }}} */
static char * php_zipobj_get_filename(ze_zip_object *obj TSRMLS_DC) /* {{{ */
{
if (!obj) {
return NULL;
}
if (obj->filename) {
return obj->filename;
}
return NULL;
}
/* }}} */
static char * php_zipobj_get_zip_comment(struct zip *za, int *len TSRMLS_DC) /* {{{ */
{
if (za) {
return (char *)zip_get_archive_comment(za, len, 0);
}
return NULL;
}
/* }}} */
/* {{{ zend_function_entry */
static zend_function_entry zip_functions[] = {
ZEND_RAW_FENTRY("zip_open", zif_zip_open, NULL, 0)
ZEND_RAW_FENTRY("zip_close", zif_zip_close, NULL, 0)
ZEND_RAW_FENTRY("zip_read", zif_zip_read, NULL, 0)
PHP_FE(zip_entry_open, NULL)
PHP_FE(zip_entry_close, NULL)
PHP_FE(zip_entry_read, NULL)
PHP_FE(zip_entry_filesize, NULL)
PHP_FE(zip_entry_name, NULL)
PHP_FE(zip_entry_compressedsize, NULL)
PHP_FE(zip_entry_compressionmethod, NULL)
{NULL, NULL, NULL}
};
/* }}} */
/* {{{ 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 TSRMLS_DC);
typedef char *(*zip_read_const_char_t)(struct zip *za, int *len TSRMLS_DC);
typedef char *(*zip_read_const_char_from_ze_t)(ze_zip_object *obj TSRMLS_DC);
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 TSRMLS_DC) /* {{{ */
{
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_add(prop_handler, name, strlen(name)+1, &hnd, sizeof(zip_prop_handler), NULL);
}
/* }}} */
static int php_zip_property_reader(ze_zip_object *obj, zip_prop_handler *hnd, zval **retval, int newzval TSRMLS_DC) /* {{{ */
{
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 TSRMLS_CC);
} else {
if (hnd->read_int_func) {
retint = hnd->read_int_func(obj->za TSRMLS_CC);
if (retint == -1) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Internal zip error returned");
return FAILURE;
}
} else {
if (hnd->read_const_char_from_obj_func) {
retchar = hnd->read_const_char_from_obj_func(obj TSRMLS_CC);
}
}
}
}
if (newzval) {
ALLOC_ZVAL(*retval);
}
switch (hnd->type) {
case IS_STRING:
if (retchar) {
ZVAL_STRINGL(*retval, (char *) retchar, len, 1);
} else {
ZVAL_EMPTY_STRING(*retval);
}
break;
case IS_BOOL:
ZVAL_BOOL(*retval, (long)retint);
break;
case IS_LONG:
ZVAL_LONG(*retval, (long)retint);
break;
default:
ZVAL_NULL(*retval);
}
return SUCCESS;
}
/* }}} */
static zval **php_zip_get_property_ptr_ptr(zval *object, zval *member TSRMLS_DC) /* {{{ */
{
ze_zip_object *obj;
zval tmp_member;
zval **retval = NULL;
zip_prop_handler *hnd;
zend_object_handlers *std_hnd;
int ret;
if (member->type != IS_STRING) {
tmp_member = *member;
zval_copy_ctor(&tmp_member);
convert_to_string(&tmp_member);
member = &tmp_member;
}
ret = FAILURE;
obj = (ze_zip_object *)zend_objects_get_address(object TSRMLS_CC);
if (obj->prop_handler != NULL) {
ret = zend_hash_find(obj->prop_handler, Z_STRVAL_P(member), Z_STRLEN_P(member)+1, (void **) &hnd);
}
if (ret == FAILURE) {
std_hnd = zend_get_std_object_handlers();
retval = std_hnd->get_property_ptr_ptr(object, member TSRMLS_CC);
}
if (member == &tmp_member) {
zval_dtor(member);
}
return retval;
}
/* }}} */
static zval* php_zip_read_property(zval *object, zval *member, int type TSRMLS_DC) /* {{{ */
{
ze_zip_object *obj;
zval tmp_member;
zval *retval;
zip_prop_handler *hnd;
zend_object_handlers *std_hnd;
int ret;
if (member->type != IS_STRING) {
tmp_member = *member;
zval_copy_ctor(&tmp_member);
convert_to_string(&tmp_member);
member = &tmp_member;
}
ret = FAILURE;
obj = (ze_zip_object *)zend_objects_get_address(object TSRMLS_CC);
if (obj->prop_handler != NULL) {
ret = zend_hash_find(obj->prop_handler, Z_STRVAL_P(member), Z_STRLEN_P(member)+1, (void **) &hnd);
}
if (ret == SUCCESS) {
ret = php_zip_property_reader(obj, hnd, &retval, 1 TSRMLS_CC);
if (ret == SUCCESS) {
/* ensure we're creating a temporary variable */
retval->refcount = 0;
} else {
retval = EG(uninitialized_zval_ptr);
}
} else {
std_hnd = zend_get_std_object_handlers();
retval = std_hnd->read_property(object, member, type TSRMLS_CC);
}
if (member == &tmp_member) {
zval_dtor(member);
}
return retval;
}
/* }}} */
static int php_zip_has_property(zval *object, zval *member, int type TSRMLS_DC) /* {{{ */
{
ze_zip_object *obj;
zval tmp_member;
zip_prop_handler *hnd;
zend_object_handlers *std_hnd;
int ret, retval = 0;
if (member->type != IS_STRING) {
tmp_member = *member;
zval_copy_ctor(&tmp_member);
convert_to_string(&tmp_member);
member = &tmp_member;
}
ret = FAILURE;
obj = (ze_zip_object *)zend_objects_get_address(object TSRMLS_CC);
if (obj->prop_handler != NULL) {
ret = zend_hash_find(obj->prop_handler, Z_STRVAL_P(member), Z_STRLEN_P(member)+1, (void **) &hnd);
}
if (ret == SUCCESS) {
zval *tmp;
if (type == 2) {
retval = 1;
} else if (php_zip_property_reader(obj, hnd, &tmp, 1 TSRMLS_CC) == SUCCESS) {
tmp->refcount = 1;
tmp->is_ref = 0;
if (type == 1) {
retval = zend_is_true(tmp);
} else if (type == 0) {
retval = (Z_TYPE_P(tmp) != IS_NULL);
}
zval_ptr_dtor(&tmp);
}
} else {
std_hnd = zend_get_std_object_handlers();
retval = std_hnd->has_property(object, member, type TSRMLS_CC);
}
if (member == &tmp_member) {
zval_dtor(member);
}
return retval;
}
/* }}} */
static HashTable *php_zip_get_properties(zval *object TSRMLS_DC)/* {{{ */
{
ze_zip_object *obj;
zip_prop_handler *hnd;
HashTable *props;
zval *val;
int ret;
char *key;
uint key_len;
HashPosition pos;
ulong num_key;
obj = (ze_zip_object *)zend_objects_get_address(object TSRMLS_CC);
props = obj->zo.properties;
if (obj->prop_handler == NULL) {
return NULL;
}
zend_hash_internal_pointer_reset_ex(obj->prop_handler, &pos);
while (zend_hash_get_current_data_ex(obj->prop_handler, (void**)&hnd, &pos) == SUCCESS) {
zend_hash_get_current_key_ex(obj->prop_handler, &key, &key_len, &num_key, 0, &pos);
MAKE_STD_ZVAL(val);
ret = php_zip_property_reader(obj, hnd, &val, 0 TSRMLS_CC);
if (ret != SUCCESS) {
val = EG(uninitialized_zval_ptr);
}
zend_hash_update(props, key, key_len, (void *)&val, sizeof(zval *), NULL);
zend_hash_move_forward_ex(obj->prop_handler, &pos);
}
return obj->zo.properties;
}
/* }}} */
static void php_zip_object_free_storage(void *object TSRMLS_DC) /* {{{ */
{
ze_zip_object * intern = (ze_zip_object *) object;
int i;
if (!intern) {
return;
}
if (intern->za) {
if (zip_close(intern->za) != 0) {
_zip_free(intern->za);
}
intern->za = NULL;
}
if (intern->buffers_cnt>0) {
for (i=0; i<intern->buffers_cnt; i++) {
efree(intern->buffers[i]);
}
efree(intern->buffers);
}
intern->za = NULL;
zend_object_std_dtor(&intern->zo TSRMLS_CC);
if (intern->filename) {
efree(intern->filename);
}
efree(intern);
}
/* }}} */
static zend_object_value php_zip_object_new(zend_class_entry *class_type TSRMLS_DC) /* {{{ */
{
ze_zip_object *intern;
zval *tmp;
zend_object_value retval;
intern = emalloc(sizeof(ze_zip_object));
memset(&intern->zo, 0, sizeof(zend_object));
intern->za = NULL;
intern->buffers = NULL;
intern->filename = NULL;
intern->buffers_cnt = 0;
intern->prop_handler = &zip_prop_handlers;
zend_object_std_init(&intern->zo, class_type TSRMLS_CC);
zend_hash_copy(intern->zo.properties, &class_type->default_properties, (copy_ctor_func_t) zval_add_ref,
(void *) &tmp, sizeof(zval *));
retval.handle = zend_objects_store_put(intern,
NULL,
(zend_objects_free_object_storage_t) php_zip_object_free_storage,
NULL TSRMLS_CC);
retval.handlers = (zend_object_handlers *) & zip_object_handlers;
return retval;
}
/* }}} */
/* {{{ Resource dtors */
/* {{{ php_zip_free_dir */
static void php_zip_free_dir(zend_rsrc_list_entry *rsrc TSRMLS_DC)
{
zip_rsrc * zip_int = (zip_rsrc *) rsrc->ptr;
if (zip_int) {
if (zip_int->za) {
if (zip_close(zip_int->za) != 0) {
_zip_free(zip_int->za);
}
zip_int->za = NULL;
}
efree(rsrc->ptr);
rsrc->ptr = NULL;
}
}
/* }}} */
/* {{{ php_zip_free_entry */
static void php_zip_free_entry(zend_rsrc_list_entry *rsrc TSRMLS_DC)
{
zip_read_rsrc *zr_rsrc = (zip_read_rsrc *) rsrc->ptr;
if (zr_rsrc) {
if (zr_rsrc->zf) {
zip_fclose(zr_rsrc->zf);
zr_rsrc->zf = NULL;
}
efree(zr_rsrc);
rsrc->ptr = NULL;
}
}
/* }}} */
/* }}}*/
/* reset macro */
#undef zip
/* {{{ function prototypes */
static PHP_MINIT_FUNCTION(zip);
static PHP_MSHUTDOWN_FUNCTION(zip);
static PHP_MINFO_FUNCTION(zip);
/* }}} */
/* {{{ zip_module_entry
*/
zend_module_entry zip_module_entry = {
STANDARD_MODULE_HEADER,
"zip",
zip_functions,
PHP_MINIT(zip),
PHP_MSHUTDOWN(zip),
NULL,
NULL,
PHP_MINFO(zip),
"2.0.0",
STANDARD_MODULE_PROPERTIES
};
/* }}} */
#ifdef COMPILE_DL_ZIP
ZEND_GET_MODULE(zip)
#endif
/* set macro */
#define zip php_ziplib__zip
/* {{{ proto resource zip_open(string filename)
Create new zip using source uri for output */
static PHP_NAMED_FUNCTION(zif_zip_open)
{
char *filename;
int filename_len;
char resolved_path[MAXPATHLEN + 1];
zip_rsrc *rsrc_int;
int err = 0;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &filename, &filename_len) == FAILURE) {
return;
}
if (filename_len == 0) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Empty string as source");
RETURN_FALSE;
}
if (OPENBASEDIR_CHECKPATH(filename)) {
RETURN_FALSE;
}
if(!expand_filepath(filename, resolved_path TSRMLS_CC)) {
RETURN_FALSE;
}
rsrc_int = (zip_rsrc *)emalloc(sizeof(zip_rsrc));
rsrc_int->za = zip_open(filename, 0, &err);
if (rsrc_int->za == NULL) {
efree(rsrc_int);
RETURN_LONG((long)err);
}
rsrc_int->index_current = 0;
rsrc_int->num_files = zip_get_num_files(rsrc_int->za);
ZEND_REGISTER_RESOURCE(return_value, rsrc_int, le_zip_dir);
}
/* }}} */
/* {{{ proto void zip_close(resource zip)
Close a Zip archive */
static PHP_NAMED_FUNCTION(zif_zip_close)
{
zval * zip;
zip_rsrc *z_rsrc = NULL;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &zip) == FAILURE) {
return;
}
ZEND_FETCH_RESOURCE(z_rsrc, zip_rsrc *, &zip, -1, le_zip_dir_name, le_zip_dir);
/* really close the zip will break BC :-D */
zend_list_delete(Z_LVAL_P(zip));
}
/* }}} */
/* {{{ proto resource zip_read(resource zip)
Returns the next file in the archive */
static PHP_NAMED_FUNCTION(zif_zip_read)
{
zval *zip_dp;
zip_read_rsrc *zr_rsrc;
int ret;
zip_rsrc *rsrc_int;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &zip_dp) == FAILURE) {
return;
}
ZEND_FETCH_RESOURCE(rsrc_int, zip_rsrc *, &zip_dp, -1, le_zip_dir_name, le_zip_dir);
if (rsrc_int && rsrc_int->za) {
if (rsrc_int->index_current >= rsrc_int->num_files) {
RETURN_FALSE;
}
zr_rsrc = emalloc(sizeof(zip_read_rsrc));
ret = zip_stat_index(rsrc_int->za, rsrc_int->index_current, 0, &zr_rsrc->sb);
if (ret != 0) {
efree(zr_rsrc);
RETURN_LONG((long)ret);
}
zr_rsrc->zf = zip_fopen_index(rsrc_int->za, rsrc_int->index_current, 0);
if (zr_rsrc->zf) {
rsrc_int->index_current++;
ZEND_REGISTER_RESOURCE(return_value, zr_rsrc, le_zip_entry);
} else {
efree(zr_rsrc);
RETURN_FALSE;
}
} else {
RETURN_FALSE;
}
}
/* }}} */
/* {{{ proto bool zip_entry_open(resource zip_dp, resource zip_entry [, string mode])
Open a Zip File, pointed by the resource entry */
/* Dummy function to follow the old API */
static PHP_NAMED_FUNCTION(zif_zip_entry_open)
{
zval * zip;
zval * zip_entry;
char *mode;
int mode_len;
zip_read_rsrc * zr_rsrc;
zip_rsrc *z_rsrc;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rr|s", &zip, &zip_entry, &mode, &mode_len) == FAILURE) {
return;
}
ZEND_FETCH_RESOURCE(zr_rsrc, zip_read_rsrc *, &zip_entry, -1, le_zip_entry_name, le_zip_entry);
ZEND_FETCH_RESOURCE(z_rsrc, zip_rsrc *, &zip, -1, le_zip_dir_name, le_zip_dir);
if (zr_rsrc->zf != NULL) {
RETURN_TRUE;
} else {
RETURN_FALSE;
}
}
/* }}} */
/* {{{ proto void zip_entry_close(resource zip_ent)
Close a zip entry */
/* another dummy function to fit in the old api*/
static PHP_NAMED_FUNCTION(zif_zip_entry_close)
{
zval * zip_entry;
zip_read_rsrc * zr_rsrc;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &zip_entry) == FAILURE) {
return;
}
ZEND_FETCH_RESOURCE(zr_rsrc, zip_read_rsrc *, &zip_entry, -1, le_zip_entry_name, le_zip_entry);
/* we got a zip_entry resource, be happy */
RETURN_TRUE;
}
/* }}} */
/* {{{ proto mixed zip_entry_read(resource zip_entry [, int len])
Read from an open directory entry */
static PHP_NAMED_FUNCTION(zif_zip_entry_read)
{
zval * zip_entry;
long len = 0;
zip_read_rsrc * zr_rsrc;
char *buffer;
int n = 0;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r|l", &zip_entry, &len) == FAILURE) {
return;
}
ZEND_FETCH_RESOURCE(zr_rsrc, zip_read_rsrc *, &zip_entry, -1, le_zip_entry_name, le_zip_entry);
if (len <= 0) {
len = 1024;
}
if (zr_rsrc->zf) {
buffer = safe_emalloc(len, 1, 1);
n = zip_fread(zr_rsrc->zf, buffer, len);
if (n > 0) {
buffer[n] = 0;
RETURN_STRINGL(buffer, n, 0);
} else {
efree(buffer);
RETURN_EMPTY_STRING()
}
} else {
RETURN_FALSE;
}
}
/* }}} */
static void php_zip_entry_get_info(INTERNAL_FUNCTION_PARAMETERS, int opt) /* {{{ */
{
zval * zip_entry;
zip_read_rsrc * zr_rsrc;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &zip_entry) == FAILURE) {
return;
}
ZEND_FETCH_RESOURCE(zr_rsrc, zip_read_rsrc *, &zip_entry, -1, le_zip_entry_name, le_zip_entry);
if (!zr_rsrc->zf) {
RETURN_FALSE;
}
switch (opt) {
case 0:
RETURN_STRING((char *)zr_rsrc->sb.name, 1);
break;
case 1:
RETURN_LONG((long) (zr_rsrc->sb.comp_size));
break;
case 2:
RETURN_LONG((long) (zr_rsrc->sb.size));
break;
case 3:
switch (zr_rsrc->sb.comp_method) {
case 0:
RETURN_STRING("stored", 1);
break;
case 1:
RETURN_STRING("shrunk", 1);
break;
case 2:
case 3:
case 4:
case 5:
RETURN_STRING("reduced", 1);
break;
case 6:
RETURN_STRING("imploded", 1);
break;
case 7:
RETURN_STRING("tokenized", 1);
break;
case 8:
RETURN_STRING("deflated", 1);
break;
case 9:
RETURN_STRING("deflatedX", 1);
break;
case 10:
RETURN_STRING("implodedX", 1);
break;
default:
RETURN_FALSE;
}
RETURN_LONG((long) (zr_rsrc->sb.comp_method));
break;
}
}
/* }}} */
/* {{{ proto string zip_entry_name(resource zip_entry)
Return the name given a ZZip entry */
static PHP_NAMED_FUNCTION(zif_zip_entry_name)
{
php_zip_entry_get_info(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
}
/* }}} */
/* {{{ proto int zip_entry_compressedsize(resource zip_entry)
Return the compressed size of a ZZip entry */
static PHP_NAMED_FUNCTION(zif_zip_entry_compressedsize)
{
php_zip_entry_get_info(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1);
}
/* }}} */
/* {{{ proto int zip_entry_filesize(resource zip_entry)
Return the actual filesize of a ZZip entry */
static PHP_NAMED_FUNCTION(zif_zip_entry_filesize)
{
php_zip_entry_get_info(INTERNAL_FUNCTION_PARAM_PASSTHRU, 2);
}
/* }}} */
/* {{{ proto string zip_entry_compressionmethod(resource zip_entry)
Return a string containing the compression method used on a particular entry */
static PHP_NAMED_FUNCTION(zif_zip_entry_compressionmethod)
{
php_zip_entry_get_info(INTERNAL_FUNCTION_PARAM_PASSTHRU, 3);
}
/* }}} */
/* {{{ proto mixed ZipArchive::open(string source [, int flags])
Create new zip using source uri for output, return TRUE on success or the error code */
static ZIPARCHIVE_METHOD(open)
{
struct zip *intern;
char *filename;
int filename_len;
int err = 0;
long flags = 0;
char resolved_path[MAXPATHLEN];
zval *this = getThis();
ze_zip_object *ze_obj = NULL;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|l", &filename, &filename_len, &flags) == FAILURE) {
return;
}
if (this) {
/* We do not use ZIP_FROM_OBJECT, zip init function here */
ze_obj = (ze_zip_object*) zend_object_store_get_object(this TSRMLS_CC);
}
if (filename_len == 0) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Empty string as source");
RETURN_FALSE;
}
if (OPENBASEDIR_CHECKPATH(filename)) {
RETURN_FALSE;
}
if (!expand_filepath(filename, resolved_path TSRMLS_CC)) {
RETURN_FALSE;
}
if (ze_obj->za) {
/* we already have an opened zip, free it */
if (zip_close(ze_obj->za) != 0) {
_zip_free(ze_obj->za);
}
ze_obj->za = NULL;
}
if (ze_obj->filename) {
efree(ze_obj->filename);
ze_obj->filename = NULL;
}
intern = zip_open(resolved_path, flags, &err);
if (!intern || err) {
RETURN_LONG((long)err);
}
ze_obj->filename = estrdup(resolved_path);
ze_obj->filename_len = filename_len;
ze_obj->za = intern;