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|
/*
+----------------------------------------------------------------------+
| phar php single-file executable PHP extension |
+----------------------------------------------------------------------+
| Copyright (c) 2006-2007 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. |
+----------------------------------------------------------------------+
| Authors: Gregory Beaver <cellog@php.net> |
| Marcus Boerger <helly@php.net> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <time.h>
#include "php.h"
#include "tar.h"
#include "php_ini.h"
#include "zend_constants.h"
#include "zend_execute.h"
#include "zend_exceptions.h"
#include "zend_hash.h"
#include "zend_interfaces.h"
#include "zend_operators.h"
#include "zend_qsort.h"
#include "zend_vm.h"
#include "main/php_streams.h"
#include "main/streams/php_stream_plain_wrapper.h"
#include "main/SAPI.h"
#include "main/php_main.h"
#include "main/php_open_temporary_file.h"
#include "ext/standard/info.h"
#include "ext/standard/basic_functions.h"
#include "ext/standard/file.h"
#include "ext/standard/php_string.h"
#include "ext/standard/url.h"
#include "ext/standard/crc32.h"
#include "ext/standard/md5.h"
#include "ext/standard/sha1.h"
#include "ext/standard/php_var.h"
#include "ext/standard/php_smart_str.h"
#include "ext/standard/php_versioning.h"
#ifndef PHP_WIN32
#include "TSRM/tsrm_strtok_r.h"
#endif
#include "TSRM/tsrm_virtual_cwd.h"
#if HAVE_SPL
#include "ext/spl/spl_array.h"
#include "ext/spl/spl_directory.h"
#include "ext/spl/spl_engine.h"
#include "ext/spl/spl_exceptions.h"
#include "ext/spl/spl_iterators.h"
#endif
#include "php_phar.h"
#ifdef HAVE_STDINT_H
#include <stdint.h>
#endif
#if HAVE_HASH_EXT
#include "ext/hash/php_hash.h"
#include "ext/hash/php_hash_sha.h"
#endif
#ifndef E_RECOVERABLE_ERROR
#define E_RECOVERABLE_ERROR E_ERROR
#endif
/* PHP_ because this is public information via MINFO */
#define PHP_PHAR_API_VERSION "1.1.1"
/* x.y.z maps to 0xyz0 */
#define PHAR_API_VERSION 0x1110
/* if we bump PHAR_API_VERSION, change this from 0x1100 to PHAR_API_VERSION */
#define PHAR_API_VERSION_NODIR 0x1100
#define PHAR_API_MIN_DIR 0x1110
#define PHAR_API_MIN_READ 0x1000
#define PHAR_API_MAJORVERSION 0x1000
#define PHAR_API_MAJORVER_MASK 0xF000
#define PHAR_API_VER_MASK 0xFFF0
#define PHAR_HDR_COMPRESSION_MASK 0x0000F000
#define PHAR_HDR_COMPRESSED_NONE 0x00000000
#define PHAR_HDR_COMPRESSED_GZ 0x00001000
#define PHAR_HDR_COMPRESSED_BZ2 0x00002000
#define PHAR_HDR_SIGNATURE 0x00010000
/* flags for defining that the entire file should be compressed */
#define PHAR_FILE_COMPRESSION_MASK 0x00F00000
#define PHAR_FILE_COMPRESSED_NONE 0x00000000
#define PHAR_FILE_COMPRESSED_GZ 0x00100000
#define PHAR_FILE_COMPRESSED_BZ2 0x00200000
#define PHAR_SIG_MD5 0x0001
#define PHAR_SIG_SHA1 0x0002
#define PHAR_SIG_SHA256 0x0003
#define PHAR_SIG_SHA512 0x0004
#define PHAR_SIG_PGP 0x0010
/* flags byte for each file adheres to these bitmasks.
All unused values are reserved */
#define PHAR_ENT_COMPRESSION_MASK 0x0000F000
#define PHAR_ENT_COMPRESSED_NONE 0x00000000
#define PHAR_ENT_COMPRESSED_GZ 0x00001000
#define PHAR_ENT_COMPRESSED_BZ2 0x00002000
#define PHAR_ENT_PERM_MASK 0x000001FF
#define PHAR_ENT_PERM_MASK_USR 0x000001C0
#define PHAR_ENT_PERM_SHIFT_USR 6
#define PHAR_ENT_PERM_MASK_GRP 0x00000038
#define PHAR_ENT_PERM_SHIFT_GRP 3
#define PHAR_ENT_PERM_MASK_OTH 0x00000007
#define PHAR_ENT_PERM_DEF_FILE 0x000001B6
#define PHAR_ENT_PERM_DEF_DIR 0x000001FF
#define TAR_FILE '0'
#define TAR_LINK '1'
#define TAR_SYMLINK '2'
#define TAR_DIR '5'
#define TAR_NEW '8'
ZEND_BEGIN_MODULE_GLOBALS(phar)
HashTable phar_fname_map;
HashTable phar_alias_map;
HashTable phar_plain_map;
HashTable phar_SERVER_mung_list;
char* extract_list;
int readonly;
zend_bool readonly_orig;
zend_bool require_hash_orig;
int request_init;
int require_hash;
int request_done;
int request_ends;
void (*orig_fopen)(INTERNAL_FUNCTION_PARAMETERS);
void (*orig_file_get_contents)(INTERNAL_FUNCTION_PARAMETERS);
void (*orig_is_file)(INTERNAL_FUNCTION_PARAMETERS);
void (*orig_is_link)(INTERNAL_FUNCTION_PARAMETERS);
void (*orig_is_dir)(INTERNAL_FUNCTION_PARAMETERS);
void (*orig_opendir)(INTERNAL_FUNCTION_PARAMETERS);
void (*orig_file_exists)(INTERNAL_FUNCTION_PARAMETERS);
void (*orig_fileperms)(INTERNAL_FUNCTION_PARAMETERS);
void (*orig_fileinode)(INTERNAL_FUNCTION_PARAMETERS);
void (*orig_filesize)(INTERNAL_FUNCTION_PARAMETERS);
void (*orig_fileowner)(INTERNAL_FUNCTION_PARAMETERS);
void (*orig_filegroup)(INTERNAL_FUNCTION_PARAMETERS);
void (*orig_fileatime)(INTERNAL_FUNCTION_PARAMETERS);
void (*orig_filemtime)(INTERNAL_FUNCTION_PARAMETERS);
void (*orig_filectime)(INTERNAL_FUNCTION_PARAMETERS);
void (*orig_filetype)(INTERNAL_FUNCTION_PARAMETERS);
void (*orig_is_writable)(INTERNAL_FUNCTION_PARAMETERS);
void (*orig_is_readable)(INTERNAL_FUNCTION_PARAMETERS);
void (*orig_is_executable)(INTERNAL_FUNCTION_PARAMETERS);
void (*orig_lstat)(INTERNAL_FUNCTION_PARAMETERS);
void (*orig_stat)(INTERNAL_FUNCTION_PARAMETERS);
/* used for includes with . in them inside front controller */
char* cwd;
int cwd_len;
int cwd_init;
ZEND_END_MODULE_GLOBALS(phar)
ZEND_EXTERN_MODULE_GLOBALS(phar)
#ifdef ZTS
# include "TSRM.h"
# define PHAR_G(v) TSRMG(phar_globals_id, zend_phar_globals *, v)
# define PHAR_GLOBALS ((zend_phar_globals *) (*((void ***) tsrm_ls))[TSRM_UNSHUFFLE_RSRC_ID(phar_globals_id)])
#else
# define PHAR_G(v) (phar_globals.v)
# define PHAR_GLOBALS (&phar_globals)
#endif
#ifndef php_uint16
# if SIZEOF_SHORT == 2
# define php_uint16 unsigned short
# else
# define php_uint16 uint16_t
# endif
#endif
#include "pharzip.h"
#if HAVE_SPL
typedef union _phar_archive_object phar_archive_object;
typedef union _phar_entry_object phar_entry_object;
#endif
/*
* used in phar_entry_info->fp_type to
*/
enum phar_fp_type {
/* regular file pointer phar_archive_data->fp */
PHAR_FP,
/* uncompressed file pointer phar_archive_data->uncompressed_fp */
PHAR_UFP,
/* modified file pointer phar_entry_info->fp */
PHAR_MOD,
/* temporary manifest entry (file outside of the phar mapped to a location inside the phar)
this entry stores the stream to open in link (normally used for tars, but we steal it here) */
PHAR_TMP
};
typedef struct _phar_archive_data phar_archive_data;
/* entry for one file in a phar file */
typedef struct _phar_entry_info {
/* first bytes are exactly as in file */
php_uint32 uncompressed_filesize;
php_uint32 timestamp;
php_uint32 compressed_filesize;
php_uint32 crc32;
php_uint32 flags;
/* remainder */
/* when changing compression, save old flags in case fp is NULL */
php_uint32 old_flags;
zval *metadata;
php_uint32 filename_len;
char *filename;
enum phar_fp_type fp_type;
/* offset within original phar file of the file contents */
long offset_abs;
/* offset within fp of the file contents */
long offset;
/* offset within original phar file of the file header (for zip-based/tar-based) */
long header_offset;
php_stream *fp;
php_stream *cfp;
int fp_refcount;
int is_crc_checked:1;
int is_modified:1;
int is_deleted:1;
int is_dir:1;
/* this flag is used for mounted entries (external files mapped to location
inside a phar */
int is_mounted:1;
/* used when iterating */
int is_temp_dir:1;
phar_archive_data *phar;
smart_str metadata_str;
/* tar-based phar file stuff */
int is_tar:1;
char *link; /* symbolic link to another file */
char tar_type;
/* zip-based phar file stuff */
int is_zip:1;
} phar_entry_info;
/* information about a phar file (the archive itself) */
struct _phar_archive_data {
char *fname;
int fname_len;
char *alias;
int alias_len;
char version[12];
size_t internal_file_start;
size_t halt_offset;
HashTable manifest;
/* hash of mounted directory paths */
HashTable mounted_dirs;
php_uint32 flags;
php_uint32 min_timestamp;
php_uint32 max_timestamp;
php_stream *fp;
/* decompressed file contents are stored here */
php_stream *ufp;
int refcount;
php_uint32 sig_flags;
int sig_len;
char *signature;
zval *metadata;
/* if 1, then this alias was manually specified by the user and is not a permanent alias */
int is_temporary_alias:1;
int is_modified:1;
int is_writeable:1;
int is_brandnew:1;
/* defer phar creation */
int donotflush:1;
/* zip-based phar variables */
int is_zip:1;
/* tar-based phar variables */
int is_tar:1;
/* PharData variables */
int is_data:1;
};
#define PHAR_MIME_PHP '\0'
#define PHAR_MIME_PHPS '\1'
#define PHAR_MIME_OTHER '\2'
typedef struct _phar_mime_type {
char *mime;
int len;
/* one of PHAR_MIME_* */
char type;
} phar_mime_type;
/* stream access data for one file entry in a phar file */
typedef struct _phar_entry_data {
phar_archive_data *phar;
php_stream *fp;
/* stream position proxy, allows multiple open streams referring to the same fp */
off_t position;
/* for copies of the phar fp, defines where 0 is */
off_t zero;
int for_write:1;
int is_zip:1;
int is_tar:1;
phar_entry_info *internal_file;
} phar_entry_data;
#if HAVE_SPL
/* archive php object */
union _phar_archive_object {
zend_object std;
spl_filesystem_object spl;
struct {
zend_object std;
phar_archive_data *archive;
} arc;
};
#endif
#if HAVE_SPL
/* entry php object */
union _phar_entry_object {
zend_object std;
spl_filesystem_object spl;
struct {
zend_object std;
phar_entry_info *entry;
} ent;
};
#endif
BEGIN_EXTERN_C()
int phar_has_bz2;
int phar_has_zlib;
#if PHP_VERSION_ID >= 50300
char *(*phar_save_resolve_path)(const char *filename, int filename_len TSRMLS_DC);
#endif
#ifdef PHP_WIN32
char *tsrm_strtok_r(char *s, const char *delim, char **last);
static inline void phar_unixify_path_separators(char *path, int path_len)
{
char *s;
/* unixify win paths */
for (s = path; s - path < path_len; ++s) {
if (*s == '\\') {
*s = '/';
}
}
}
#endif
void phar_request_initialize(TSRMLS_D);
void phar_object_init(TSRMLS_D);
int phar_open_entry_file(phar_archive_data *phar, phar_entry_info *entry, char **error TSRMLS_DC);
int phar_open_filename(char *fname, int fname_len, char *alias, int alias_len, int options, phar_archive_data** pphar, char **error TSRMLS_DC);
int phar_open_or_create_filename(char *fname, int fname_len, char *alias, int alias_len, char *objname, int options, phar_archive_data** pphar, char **error TSRMLS_DC);
int phar_create_or_parse_filename(char *fname, int fname_len, char *alias, int alias_len, int is_data, int options, phar_archive_data** pphar, char **error TSRMLS_DC);
int phar_open_compiled_file(char *alias, int alias_len, char **error TSRMLS_DC);
int phar_get_archive(phar_archive_data **archive, char *fname, int fname_len, char *alias, int alias_len, char **error TSRMLS_DC);
int phar_open_loaded(char *fname, int fname_len, char *alias, int alias_len, int is_data, int options, phar_archive_data** pphar, char **error TSRMLS_DC);
/* utility functions */
char *phar_create_default_stub(const char *index_php, const char *web_index, size_t *len, char **error TSRMLS_DC);
char *phar_decompress_filter(phar_entry_info * entry, int return_unknown);
char *phar_compress_filter(phar_entry_info * entry, int return_unknown);
int phar_mount_entry(phar_archive_data *phar, char *filename, int filename_len, char *path, int path_len TSRMLS_DC);
char *phar_find_in_include_path(char *file, int file_len, phar_archive_data **pphar TSRMLS_DC);
char *phar_fix_filepath(char *path, int *new_len, int use_cwd TSRMLS_DC);
phar_entry_info * phar_open_jit(phar_archive_data *phar, phar_entry_info *entry, php_stream *fp,
char **error, int for_write TSRMLS_DC);
int phar_parse_metadata(char **buffer, zval **metadata, int is_zip TSRMLS_DC);
void destroy_phar_manifest_entry(void *pDest);
int phar_seek_efp(phar_entry_info *entry, off_t offset, int whence, off_t position TSRMLS_DC);
php_stream *phar_get_efp(phar_entry_info *entry TSRMLS_DC);
int phar_copy_entry_fp(phar_entry_info *source, phar_entry_info *dest, char **error TSRMLS_DC);
int phar_open_entry_fp(phar_entry_info *entry, char **error TSRMLS_DC);
int phar_create_writeable_entry(phar_archive_data *phar, phar_entry_info *entry, char **error TSRMLS_DC);
int phar_separate_entry_fp(phar_entry_info *entry, char **error TSRMLS_DC);
int phar_open_archive_fp(phar_archive_data *phar TSRMLS_DC);
/* tar functions in tar.c */
int phar_is_tar(char *buf);
int phar_open_tarfile(php_stream* fp, char *fname, int fname_len, char *alias, int alias_len, int options, phar_archive_data** pphar, php_uint32 compression, char **error TSRMLS_DC);
int phar_open_or_create_tar(char *fname, int fname_len, char *alias, int alias_len, int is_data, int options, phar_archive_data** pphar, char **error TSRMLS_DC);
int phar_tar_flush(phar_archive_data *phar, char *user_stub, long len, int defaultstub, char **error TSRMLS_DC);
/* zip functions in zip.c */
int phar_open_zipfile(php_stream *fp, char *fname, int fname_len, char *alias, int alias_len, phar_archive_data** pphar, char **error TSRMLS_DC);
int phar_open_or_create_zip(char *fname, int fname_len, char *alias, int alias_len, int is_data, int options, phar_archive_data** pphar, char **error TSRMLS_DC);
int phar_zip_flush(phar_archive_data *archive, char *user_stub, long len, int defaultstub, char **error TSRMLS_DC);
#ifdef PHAR_MAIN
static int phar_open_fp(php_stream* fp, char *fname, int fname_len, char *alias, int alias_len, int options, phar_archive_data** pphar, char **error TSRMLS_DC);
extern php_stream_wrapper php_stream_phar_wrapper;
#endif
int phar_archive_delref(phar_archive_data *phar TSRMLS_DC);
int phar_entry_delref(phar_entry_data *idata TSRMLS_DC);
phar_entry_info *phar_get_entry_info(phar_archive_data *phar, char *path, int path_len, char **error TSRMLS_DC);
phar_entry_info *phar_get_entry_info_dir(phar_archive_data *phar, char *path, int path_len, char dir, char **error TSRMLS_DC);
phar_entry_data *phar_get_or_create_entry_data(char *fname, int fname_len, char *path, int path_len, char *mode, char allow_dir, char **error TSRMLS_DC);
int phar_get_entry_data(phar_entry_data **ret, char *fname, int fname_len, char *path, int path_len, char *mode, char allow_dir, char **error TSRMLS_DC);
int phar_flush(phar_archive_data *archive, char *user_stub, long len, int convert, char **error TSRMLS_DC);
int phar_detect_phar_fname_ext(const char *filename, int check_length, const char **ext_str, int *ext_len);
int phar_split_fname(char *filename, int filename_len, char **arch, int *arch_len, char **entry, int *entry_len TSRMLS_DC);
typedef enum {
pcr_use_query,
pcr_is_ok,
pcr_err_double_slash,
pcr_err_up_dir,
pcr_err_curr_dir,
pcr_err_back_slash,
pcr_err_star,
pcr_err_illegal_char,
pcr_err_empty_entry
} phar_path_check_result;
phar_path_check_result phar_path_check(char **p, int *len, const char **error);
END_EXTERN_C()
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: noet sw=4 ts=4 fdm=marker
* vim<600: noet sw=4 ts=4
*/
|
