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php_zip.c
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/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| 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: |
| 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"
#if defined(HAVE_SPL)
#include "ext/spl/spl_iterators.h"
#endif
#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
#define KEY_ARG_DC , const zend_literal *key
#define KEY_ARG_CC , key
#if PHP_VERSION_ID < 50500
#define TYPE_ARG_DC
#define TYPE_ARG_CC
#else
#define TYPE_ARG_DC , int type
#define TYPE_ARG_CC , type
#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 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_file_set_comment(za, index, NULL, 0, 0) < 0) { \
RETURN_FALSE; \
} \
} else if (zip_file_set_comment(za, index, comment, comment_len, 0) < 0) { \
RETURN_FALSE; \
} \
RETURN_TRUE;
/* }}} */
#if (PHP_MAJOR_VERSION < 6)
# define add_ascii_assoc_string add_assoc_string
# define add_ascii_assoc_long add_assoc_long
#endif
/* Flatten a path by making a relative path (to .)*/
static char * php_zip_make_relative_path(char *path, int path_len) /* {{{ */
{
char *path_begin = path;
size_t i;
if (path_len < 1 || path == NULL) {
return NULL;
}
if (IS_ABSOLUTE_PATH(path, path_len)) {
return path + COPY_WHEN_ABSOLUTE(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] == '.') {
/* i is the position of ., add 1 for / */
path_begin = path + i + 1;
break;
}
i--;
}
return path_begin;
}
/* }}} */
#if PHP_VERSION_ID < 50600
# define CWD_STATE_ALLOC(l) malloc(l)
# define CWD_STATE_FREE(s) free(s)
#else
# define CWD_STATE_ALLOC(l) emalloc(l)
# define CWD_STATE_FREE(s) efree(s)
#endif
/* {{{ php_zip_extract_file */
static int php_zip_extract_file(struct zip * za, char *dest, const char *file, int file_len, zip_int64_t idx 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;
char *path_cleaned;
size_t path_cleaned_len;
cwd_state new_state;
if (idx < 0) {
idx = zip_name_locate(za, file, 0);
if (idx < 0) {
return 0;
}
}
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 TSRMLS_CC);
path_cleaned = php_zip_make_relative_path(new_state.cwd, new_state.cwd_length);
if(!path_cleaned) {
CWD_STATE_FREE(new_state.cwd);
return 0;
}
path_cleaned_len = strlen(path_cleaned);
if (path_cleaned_len >= MAXPATHLEN || zip_stat_index(za, idx, 0, &sb) != 0) {
CWD_STATE_FREE(new_state.cwd);
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);
}
php_basename(path_cleaned, path_cleaned_len, NULL, 0, &file_basename, (size_t *)&file_basename_len TSRMLS_CC);
if (ZIP_OPENBASEDIR_CHECKPATH(file_dirname_fullpath)) {
efree(file_dirname_fullpath);
efree(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) {
efree(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, file_basename);
if (!len) {
efree(file_dirname_fullpath);
efree(file_basename);
CWD_STATE_FREE(new_state.cwd);
return 0;
} else if (len > MAXPATHLEN) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Full extraction path exceed MAXPATHLEN (%i)", MAXPATHLEN);
efree(file_dirname_fullpath);
efree(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);
efree(file_basename);
CWD_STATE_FREE(new_state.cwd);
return 0;
}
zf = zip_fopen_index(za, idx, 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);
}
if (stream->wrapper->wops->stream_metadata) {
struct utimbuf ut;
ut.modtime = ut.actime = sb.mtime;
stream->wrapper->wops->stream_metadata(stream->wrapper, fullpath, PHP_STREAM_META_TOUCH, &ut, NULL TSRMLS_CC);
}
php_stream_close(stream);
n = zip_fclose(zf);
done:
efree(fullpath);
efree(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(ze_zip_object *obj, const char *filename, size_t filename_len,
char *entry_name, size_t entry_name_len, /* unused if replace >= 0 */
long offset_start, long offset_len,
long replace, /* index to replace, add new file if < 0 */
zip_flags_t flags
TSRMLS_DC) /* {{{ */
{
struct zip_source *zs;
char resolved_path[MAXPATHLEN];
zval exists_flag;
if (ZIP_OPENBASEDIR_CHECKPATH(filename)) {
return -1;
}
if (!expand_filepath(filename, resolved_path TSRMLS_CC)) {
return -1;
}
php_stat(resolved_path, strlen(resolved_path), FS_EXISTS, &exists_flag TSRMLS_CC);
if (!Z_BVAL(exists_flag)) {
return -1;
}
if (flags & ZIP_FL_OPEN_FILE_NOW) {
FILE *fd;
fd = fopen(resolved_path, "rb");
if (!fd) {
return -1;
}
flags ^= ZIP_FL_OPEN_FILE_NOW;
zs = zip_source_filep(obj->za, fd, offset_start, offset_len);
} else {
zs = zip_source_file(obj->za, resolved_path, offset_start, offset_len);
}
if (!zs) {
return -1;
}
/* Replace */
if (replace >= 0) {
if (zip_file_replace(obj->za, replace, zs, flags) < 0) {
zip_source_free(zs);
return -1;
}
zip_error_clear(obj->za);
return 1;
}
/* Add */
obj->last_id = zip_file_add(obj->za, entry_name, zs, flags);
if (obj->last_id < 0) {
zip_source_free(zs);
return -1;
}
zip_error_clear(obj->za);
return 1;
}
/* }}} */
typedef struct {
long remove_all_path;
char *remove_path;
int remove_path_len;
char *add_path;
int add_path_len;
zip_flags_t flags;
zip_int32_t comp_method;
zip_uint32_t comp_flags;
#ifdef HAVE_ENCRYPTION
zip_int16_t enc_method;
char *enc_password;
#endif
} zip_options;
static int php_zip_parse_options(zval *options, zip_options *opts TSRMLS_DC)
/* {{{ */
{
zval **option;
/* default values */
memset(opts, 0, sizeof(zip_options));
opts->flags = ZIP_FL_OVERWRITE;
#ifdef HAVE_ENCRYPTION
opts->enc_method = -1; /* -1 to not change default */
#endif
opts->comp_method = -1; /* -1 to not change default */
if (zend_hash_find(HASH_OF(options), "remove_all_path", sizeof("remove_all_path"), (void **)&option) == SUCCESS) {
long opt;
if (Z_TYPE_PP(option) != IS_LONG) {
zval tmp = **option;
zval_copy_ctor(&tmp);
convert_to_long(&tmp);
opt = Z_LVAL(tmp);
} else {
opt = Z_LVAL_PP(option);
}
opts->remove_all_path = opt;
}
if (zend_hash_find(HASH_OF(options), "comp_method", sizeof("comp_method"), (void **)&option) == SUCCESS) {
long opt;
if (Z_TYPE_PP(option) != IS_LONG) {
zval tmp = **option;
zval_copy_ctor(&tmp);
convert_to_long(&tmp);
opt = Z_LVAL(tmp);
} else {
opt = Z_LVAL_PP(option);
}
opts->comp_method = opt;
if (zend_hash_find(HASH_OF(options), "comp_flags", sizeof("comp_flags"), (void **)&option) == SUCCESS) {
long opt;
if (Z_TYPE_PP(option) != IS_LONG) {
zval tmp = **option;
zval_copy_ctor(&tmp);
convert_to_long(&tmp);
opt = Z_LVAL(tmp);
} else {
opt = Z_LVAL_PP(option);
}
opts->comp_flags = opt;
}
}
#ifdef HAVE_ENCRYPTION
if (zend_hash_find(HASH_OF(options), "enc_method", sizeof("enc_method"), (void **)&option) == SUCCESS) {
long opt;
if (Z_TYPE_PP(option) != IS_LONG) {
zval tmp = **option;
zval_copy_ctor(&tmp);
convert_to_long(&tmp);
opt = Z_LVAL(tmp);
} else {
opt = Z_LVAL_PP(option);
}
opts->enc_method = opt;
if (zend_hash_find(HASH_OF(options), "enc_password", sizeof("enc_password"), (void **)&option) == SUCCESS) {
if (Z_TYPE_PP(option) != IS_STRING) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "remove_path option expected to be a string");
return -1;
}
opts->enc_password = Z_STRVAL_PP(option);
}
}
#endif
if (zend_hash_find(HASH_OF(options), "remove_path", sizeof("remove_path"), (void **)&option) == SUCCESS) {
if (Z_TYPE_PP(option) != IS_STRING) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "remove_path option expected to be a string");
return -1;
}
if (Z_STRLEN_PP(option) < 1) {
php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Empty string given as remove_path option");
return -1;
}
if (Z_STRLEN_PP(option) >= MAXPATHLEN) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "remove_path string is too long (max: %i, %i given)",
MAXPATHLEN - 1, Z_STRLEN_PP(option));
return -1;
}
opts->remove_path_len = Z_STRLEN_PP(option);
opts->remove_path = Z_STRVAL_PP(option);
}
if (zend_hash_find(HASH_OF(options), "add_path", sizeof("add_path"), (void **)&option) == SUCCESS) {
if (Z_TYPE_PP(option) != IS_STRING) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "add_path option expected to be a string");
return -1;
}
if (Z_STRLEN_PP(option) < 1) {
php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Empty string given as the add_path option");
return -1;
}
if (Z_STRLEN_PP(option) >= MAXPATHLEN) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "add_path string too long (max: %i, %i given)",
MAXPATHLEN - 1, Z_STRLEN_PP(option));
return -1;
}
opts->add_path_len = Z_STRLEN_PP(option);
opts->add_path = Z_STRVAL_PP(option);
}
if (zend_hash_find(HASH_OF(options), "flags", sizeof("flags"), (void **)&option) == SUCCESS) {
if (Z_TYPE_PP(option) != IS_LONG) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "flags option expected to be a integer");
return -1;
}
opts->flags = Z_LVAL_PP(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, (long)value TSRMLS_CC);
/* }}} */
#define Z_ZIP_P(zv) ((ze_zip_object*) zend_object_store_get_object(zv TSRMLS_CC))
/* {{{ 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 TSRMLS_CC, E_WARNING, "Invalid or uninitialized Zip object"); \
RETURN_FALSE; \
} \
}
/* }}} */
/* {{{ RETURN_SB(sb) */
#ifdef HAVE_ENCRYPTION
#define RETURN_SB(sb) \
{ \
array_init(return_value); \
add_ascii_assoc_string(return_value, "name", (char *)(sb)->name, 1); \
add_ascii_assoc_long(return_value, "index", (long) (sb)->index); \
add_ascii_assoc_long(return_value, "crc", (long) (sb)->crc); \
add_ascii_assoc_long(return_value, "size", (long) (sb)->size); \
add_ascii_assoc_long(return_value, "mtime", (long) (sb)->mtime); \
add_ascii_assoc_long(return_value, "comp_size", (long) (sb)->comp_size); \
add_ascii_assoc_long(return_value, "comp_method", (long) (sb)->comp_method); \
add_ascii_assoc_long(return_value, "encryption_method", (long) (sb)->encryption_method); \
}
#else
#define RETURN_SB(sb) \
{ \
array_init(return_value); \
add_ascii_assoc_string(return_value, "name", (char *)(sb)->name, 1); \
add_ascii_assoc_long(return_value, "index", (long) (sb)->index); \
add_ascii_assoc_long(return_value, "crc", (long) (sb)->crc); \
add_ascii_assoc_long(return_value, "size", (long) (sb)->size); \
add_ascii_assoc_long(return_value, "mtime", (long) (sb)->mtime); \
add_ascii_assoc_long(return_value, "comp_size", (long) (sb)->comp_size); \
add_ascii_assoc_long(return_value, "comp_method", (long) (sb)->comp_method); \
}
#endif
/* }}} */
static long php_zip_status(ze_zip_object *obj TSRMLS_DC) /* {{{ */
{
int zep = obj->err_zip; /* saved err if closed */
if (obj->za) {
#if LIBZIP_VERSION_MAJOR < 1
int syp;
zip_error_get(obj->za, &zep, &syp);
#else
zip_error_t *err;
err = zip_get_error(obj->za);
zep = zip_error_code_zip(err);
zip_error_fini(err);
#endif
}
return zep;
}
/* }}} */
static long php_zip_last_id(ze_zip_object *obj TSRMLS_DC) /* {{{ */
{
return obj->last_id;
}
/* }}} */
static long php_zip_status_sys(ze_zip_object *obj TSRMLS_DC) /* {{{ */
{
int syp = obj->err_sys; /* saved err if closed */
if (obj->za) {
#if LIBZIP_VERSION_MAJOR < 1
int zep;
zip_error_get(obj->za, &zep, &syp);
#else
zip_error_t *err;
err = zip_get_error(obj->za);
syp = zip_error_code_system(err);
zip_error_fini(err);
#endif
}
return syp;
}
/* }}} */
static long php_zip_get_num_files(ze_zip_object *obj TSRMLS_DC) /* {{{ */
{
if (obj->za) {
zip_int64_t num = zip_get_num_entries(obj->za, 0);
return MIN(num, LONG_MAX);
}
return 0;
}
/* }}} */
static char * php_zipobj_get_filename(ze_zip_object *obj, int *len TSRMLS_DC) /* {{{ */
{
if (obj && obj->filename) {
*len = strlen(obj->filename);
return obj->filename;
}
return NULL;
}
/* }}} */
static char * php_zipobj_get_zip_comment(ze_zip_object *obj, int *len TSRMLS_DC) /* {{{ */
{
if (obj->za) {
return (char *)zip_get_archive_comment(obj->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, long flags, zval *return_value TSRMLS_DC) /* {{{ */
{
#ifdef HAVE_GLOB
int cwd_skip = 0;
#ifdef ZTS
char cwd[MAXPATHLEN];
char work_pattern[MAXPATHLEN];
char *result;
#endif
glob_t globbuf;
size_t n;
int ret;
if (pattern_len >= MAXPATHLEN) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Pattern exceeds the maximum allowed length of %d characters", MAXPATHLEN);
return -1;
}
if ((GLOB_AVAILABLE_FLAGS & flags) != flags) {
php_error_docref(NULL TSRMLS_CC, 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 */
if (ZIP_OPENBASEDIR_CHECKPATH(globbuf.gl_pathv[0])) {
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) {
struct stat s = {0};
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, 1);
}
ret = globbuf.gl_pathc;
globfree(&globbuf);
return ret;
#else
php_error_docref(NULL TSRMLS_CC, E_ERROR, "Glob support is not available");
return 0;
#endif /* HAVE_GLOB */
}
/* }}} */
int php_zip_pcre(char *regexp, int regexp_len, char *path, int path_len, zval *return_value TSRMLS_DC) /* {{{ */
{
#ifdef ZTS
char cwd[MAXPATHLEN];
char work_path[MAXPATHLEN];
char *result;
#endif
int files_cnt;
char **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
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 TSRMLS_CC);
if (!re) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid expression");
return -1;
}
array_init(return_value);
/* only the files, directories are ignored */
for (i = 0; i < files_cnt; i++) {
struct stat s = {0};
char fullpath[MAXPATHLEN];
int ovector[3];
int matches;
int namelist_len = strlen(namelist[i]);
if ((namelist_len == 1 && namelist[i][0] == '.') ||
(namelist_len == 2 && namelist[i][0] == '.' && namelist[i][1] == '.')) {
efree(namelist[i]);
continue;
}
if ((path_len + namelist_len + 1) >= MAXPATHLEN) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "add_path string too long (max: %i, %i given)",
MAXPATHLEN - 1, (path_len + namelist_len + 1));
efree(namelist[i]);
break;
}
snprintf(fullpath, MAXPATHLEN, "%s%c%s", path, DEFAULT_SLASH, namelist[i]);
if (0 != VCWD_STAT(fullpath, &s)) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Cannot read <%s>", fullpath);
efree(namelist[i]);
continue;
}
if (S_IFDIR == (s.st_mode & S_IFMT)) {
efree(namelist[i]);
continue;
}
matches = pcre_exec(re, NULL, namelist[i], strlen(namelist[i]), 0, 0, ovector, 3);
/* 0 means that the vector is too small to hold all the captured substring offsets */
if (matches < 0) {
efree(namelist[i]);
continue;
}
add_next_index_string(return_value, fullpath, 1);
efree(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)
PHP_FE_END
};
/* }}} */
/* {{{ ZE2 OO definitions */
static zend_class_entry *zip_class_entry;
static zend_object_handlers zip_object_handlers;
static HashTable zip_prop_handlers;
typedef long (*zip_read_int_t)(ze_zip_object *obj TSRMLS_DC);
typedef char *(*zip_read_const_char_t)(ze_zip_object *obj, int *len TSRMLS_DC);
typedef struct _zip_prop_handler {
zip_read_int_t read_int_func;
zip_read_const_char_t read_const_char_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, int rettype TSRMLS_DC) /* {{{ */
{
zip_prop_handler hnd;
hnd.read_const_char_func = read_char_func;
hnd.read_int_func = read_int_func;
hnd.type = rettype;
zend_hash_add(prop_handler, name, strlen(name)+1, &hnd, sizeof(zip_prop_handler), NULL);
/* Register for reflection */
zend_declare_property_null(zip_class_entry, name, strlen(name), ZEND_ACC_PUBLIC TSRMLS_CC);
}
/* }}} */
static int php_zip_property_reader(ze_zip_object *obj, zip_prop_handler *hnd, zval **retval, int newzval TSRMLS_DC) /* {{{ */
{
const char *retchar = NULL;
long retint = 0;
int len = 0;
if (hnd->read_const_char_func) {
retchar = hnd->read_const_char_func(obj, &len TSRMLS_CC);
} else if (hnd->read_int_func) {
retint = hnd->read_int_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, retint);
break;
case IS_LONG:
ZVAL_LONG(*retval, retint);
break;
default:
ZVAL_NULL(*retval);
}