root/ext/phar/phar_internal.h

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INCLUDED FROM


DEFINITIONS

This source file includes following definitions.
  1. ZEND_BEGIN_MODULE_GLOBALS
  2. phar_get_entrypfp
  3. phar_get_entrypufp
  4. phar_set_entrypfp
  5. phar_set_entrypufp
  6. phar_get_pharfp
  7. phar_get_pharufp
  8. phar_set_pharfp
  9. phar_set_pharufp
  10. phar_set_fp_type
  11. phar_get_fp_type
  12. phar_get_fp_offset
  13. BEGIN_EXTERN_C
  14. phar_validate_alias
  15. phar_set_inode

/*
  +----------------------------------------------------------------------+
  | phar php single-file executable PHP extension                        |
  +----------------------------------------------------------------------+
  | Copyright (c) 2006-2015 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 "Zend/zend_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 PHAR_HASH_OK
#include "ext/hash/php_hash.h"
#include "ext/hash/php_hash_sha.h"
#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_OPENSSL          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 PHAR_FORMAT_SAME    0
#define PHAR_FORMAT_PHAR    1
#define PHAR_FORMAT_TAR     2
#define PHAR_FORMAT_ZIP     3

#define TAR_FILE    '0'
#define TAR_LINK    '1'
#define TAR_SYMLINK '2'
#define TAR_DIR     '5'
#define TAR_NEW     '8'
#define TAR_GLOBAL_HDR 'g'
#define TAR_FILE_HDR   'x'

#define PHAR_MUNG_PHP_SELF                      (1<<0)
#define PHAR_MUNG_REQUEST_URI           (1<<1)
#define PHAR_MUNG_SCRIPT_NAME           (1<<2)
#define PHAR_MUNG_SCRIPT_FILENAME       (1<<3)

typedef struct _phar_entry_fp phar_entry_fp;
typedef struct _phar_archive_data phar_archive_data;

ZEND_BEGIN_MODULE_GLOBALS(phar)
        /* a list of phar_archive_data objects that reference a cached phar, so
           that if copy-on-write is performed, we can swap them out for the new value */
        HashTable   phar_persist_map;
        HashTable   phar_fname_map;
        /* for cached phars, this is a per-process store of fp/ufp */
        phar_entry_fp *cached_fp;
        HashTable   phar_alias_map;
        int         phar_SERVER_mung_list;
        int         readonly;
        char*       cache_list;
        int         manifest_cached;
        int         persist;
        int         has_zlib;
        int         has_bz2;
        zend_bool   readonly_orig;
        zend_bool   require_hash_orig;
        zend_bool   intercepted;
        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_readfile)(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;
        char        *openssl_privatekey;
        int         openssl_privatekey_len;
        /* phar_get_archive cache */
        char*       last_phar_name;
        int         last_phar_name_len;
        char*       last_alias;
        int         last_alias_len;
        phar_archive_data* last_phar;
        HashTable mime_types;
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
};

/* 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;
        int                      metadata_len; /* only used for cached manifests */
        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;
        char                     *tmp;
        phar_archive_data        *phar;
        smart_str                metadata_str;
        char                     *link; /* symbolic link to another file */
        char                     tar_type;
        /* position in the manifest */
        uint                     manifest_pos;
        /* for stat */
        unsigned short           inode;

        unsigned int             is_crc_checked:1;
        unsigned int             is_modified:1;
        unsigned int             is_deleted:1;
        unsigned int             is_dir:1;
        /* this flag is used for mounted entries (external files mapped to location
           inside a phar */
        unsigned int             is_mounted:1;
        /* used when iterating */
        unsigned int             is_temp_dir:1;
        /* tar-based phar file stuff */
        unsigned int             is_tar:1;
        /* zip-based phar file stuff */
        unsigned int             is_zip:1;
        /* for cached phar entries */
        unsigned int             is_persistent:1;
} phar_entry_info;

/* information about a phar file (the archive itself) */
struct _phar_archive_data {
        char                     *fname;
        int                      fname_len;
        /* for phar_detect_fname_ext, this stores the location of the file extension within fname */
        char                     *ext;
        int                      ext_len;
        char                     *alias;
        int                      alias_len;
        char                     version[12];
        size_t                   internal_file_start;
        size_t                   halt_offset;
        HashTable                manifest;
        /* hash of virtual directories, as in path/to/file.txt has path/to and path as virtual directories */
        HashTable                virtual_dirs;
        /* 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;
        int                      metadata_len; /* only used for cached manifests */
        uint                     phar_pos;
        /* if 1, then this alias was manually specified by the user and is not a permanent alias */
        unsigned int             is_temporary_alias:1;
        unsigned int             is_modified:1;
        unsigned int             is_writeable:1;
        unsigned int             is_brandnew:1;
        /* defer phar creation */
        unsigned int             donotflush:1;
        /* zip-based phar variables */
        unsigned int             is_zip:1;
        /* tar-based phar variables */
        unsigned int             is_tar:1;
        /* PharData variables       */
        unsigned int             is_data:1;
        /* for cached phar manifests */
        unsigned int             is_persistent:1;
};

typedef struct _phar_entry_fp_info {
        enum phar_fp_type        fp_type;
        /* offset within fp of the file contents */
        long                     offset;
} phar_entry_fp_info;

struct _phar_entry_fp {
        php_stream *fp;
        php_stream *ufp;
        phar_entry_fp_info *manifest;
};

static inline php_stream *phar_get_entrypfp(phar_entry_info *entry TSRMLS_DC)
{
        if (!entry->is_persistent) {
                return entry->phar->fp;
        }
        return PHAR_GLOBALS->cached_fp[entry->phar->phar_pos].fp;
}

static inline php_stream *phar_get_entrypufp(phar_entry_info *entry TSRMLS_DC)
{
        if (!entry->is_persistent) {
                return entry->phar->ufp;
        }
        return PHAR_GLOBALS->cached_fp[entry->phar->phar_pos].ufp;
}

static inline void phar_set_entrypfp(phar_entry_info *entry, php_stream *fp TSRMLS_DC)
{
        if (!entry->phar->is_persistent) {
                entry->phar->fp =  fp;
                return;
        }

        PHAR_GLOBALS->cached_fp[entry->phar->phar_pos].fp = fp;
}

static inline void phar_set_entrypufp(phar_entry_info *entry, php_stream *fp TSRMLS_DC)
{
        if (!entry->phar->is_persistent) {
                entry->phar->ufp =  fp;
                return;
        }

        PHAR_GLOBALS->cached_fp[entry->phar->phar_pos].ufp = fp;
}

static inline php_stream *phar_get_pharfp(phar_archive_data *phar TSRMLS_DC)
{
        if (!phar->is_persistent) {
                return phar->fp;
        }
        return PHAR_GLOBALS->cached_fp[phar->phar_pos].fp;
}

static inline php_stream *phar_get_pharufp(phar_archive_data *phar TSRMLS_DC)
{
        if (!phar->is_persistent) {
                return phar->ufp;
        }
        return PHAR_GLOBALS->cached_fp[phar->phar_pos].ufp;
}

static inline void phar_set_pharfp(phar_archive_data *phar, php_stream *fp TSRMLS_DC)
{
        if (!phar->is_persistent) {
                phar->fp =  fp;
                return;
        }

        PHAR_GLOBALS->cached_fp[phar->phar_pos].fp = fp;
}

static inline void phar_set_pharufp(phar_archive_data *phar, php_stream *fp TSRMLS_DC)
{
        if (!phar->is_persistent) {
                phar->ufp =  fp;
                return;
        }

        PHAR_GLOBALS->cached_fp[phar->phar_pos].ufp = fp;
}

static inline void phar_set_fp_type(phar_entry_info *entry, enum phar_fp_type type, off_t offset TSRMLS_DC)
{
        phar_entry_fp_info *data;

        if (!entry->is_persistent) {
                entry->fp_type = type;
                entry->offset = offset;
                return;
        }
        data = &(PHAR_GLOBALS->cached_fp[entry->phar->phar_pos].manifest[entry->manifest_pos]);
        data->fp_type = type;
        data->offset = offset;
}

static inline enum phar_fp_type phar_get_fp_type(phar_entry_info *entry TSRMLS_DC)
{
        if (!entry->is_persistent) {
                return entry->fp_type;
        }
        return PHAR_GLOBALS->cached_fp[entry->phar->phar_pos].manifest[entry->manifest_pos].fp_type;
}

static inline off_t phar_get_fp_offset(phar_entry_info *entry TSRMLS_DC)
{
        if (!entry->is_persistent) {
                return entry->offset;
        }
        if (PHAR_GLOBALS->cached_fp[entry->phar->phar_pos].manifest[entry->manifest_pos].fp_type == PHAR_FP) {
                if (!PHAR_GLOBALS->cached_fp[entry->phar->phar_pos].manifest[entry->manifest_pos].offset) {
                        PHAR_GLOBALS->cached_fp[entry->phar->phar_pos].manifest[entry->manifest_pos].offset = entry->offset;
                }
        }
        return PHAR_GLOBALS->cached_fp[entry->phar->phar_pos].manifest[entry->manifest_pos].offset;
}

#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;
        unsigned int             for_write:1;
        unsigned int             is_zip:1;
        unsigned 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

#ifndef PHAR_MAIN
extern char *(*phar_save_resolve_path)(const char *filename, int filename_len TSRMLS_DC);
#endif

BEGIN_EXTERN_C()

#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
/**
 * validate an alias, returns 1 for success, 0 for failure
 */
static inline int phar_validate_alias(const char *alias, int alias_len) /* {{{ */
{
        return !(memchr(alias, '/', alias_len) || memchr(alias, '\\', alias_len) || memchr(alias, ':', alias_len) ||
                memchr(alias, ';', alias_len) || memchr(alias, '\n', alias_len) || memchr(alias, '\r', alias_len));
}
/* }}} */

static inline void phar_set_inode(phar_entry_info *entry TSRMLS_DC) /* {{{ */
{
        char tmp[MAXPATHLEN];
        int tmp_len;
        size_t len;

        tmp_len = MIN(MAXPATHLEN, entry->filename_len + entry->phar->fname_len);
        len = MIN(entry->phar->fname_len, tmp_len);
        memcpy(tmp, entry->phar->fname, len);
        len = MIN(tmp_len - len, entry->filename_len);
        memcpy(tmp + entry->phar->fname_len, entry->filename, len);
        entry->inode = (unsigned short)zend_get_hash_value(tmp, tmp_len);
}
/* }}} */

void phar_request_initialize(TSRMLS_D);

void phar_object_init(TSRMLS_D);
void phar_destroy_phar_data(phar_archive_data *phar TSRMLS_DC);

int phar_open_entry_file(phar_archive_data *phar, phar_entry_info *entry, char **error TSRMLS_DC);
int phar_postprocess_file(phar_entry_data *idata, php_uint32 crc32, char **error, int process_zip TSRMLS_DC);
int phar_open_from_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, int is_data, 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_executed_filename(char *alias, int alias_len, char **error TSRMLS_DC);
int phar_free_alias(phar_archive_data *phar, char *alias, int alias_len 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_parsed_phar(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_verify_signature(php_stream *fp, size_t end_of_phar, php_uint32 sig_type, char *sig, int sig_len, char *fname, char **signature, int *signature_len, char **error TSRMLS_DC);
int phar_create_signature(phar_archive_data *phar, php_stream *fp, char **signature, int *signature_length, 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);

void phar_remove_virtual_dirs(phar_archive_data *phar, char *filename, int filename_len TSRMLS_DC);
void phar_add_virtual_dirs(phar_archive_data *phar, char *filename, int filename_len TSRMLS_DC);
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, char **error TSRMLS_DC);
int phar_parse_metadata(char **buffer, zval **metadata, php_uint32 zip_metadata_len 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, int follow_links TSRMLS_DC);
php_stream *phar_get_efp(phar_entry_info *entry, int follow_links 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, int follow_links TSRMLS_DC);
phar_entry_info *phar_get_link_source(phar_entry_info *entry 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);
int phar_copy_on_write(phar_archive_data **pphar TSRMLS_DC);

/* tar functions in tar.c */
int phar_is_tar(char *buf, char *fname);
int phar_parse_tarfile(php_stream* fp, char *fname, int fname_len, char *alias, int alias_len, phar_archive_data** pphar, int is_data, 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_parse_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_from_fp(php_stream* fp, char *fname, int fname_len, char *alias, int alias_len, int options, phar_archive_data** pphar, int is_data, char **error TSRMLS_DC);
extern php_stream_wrapper php_stream_phar_wrapper;
#else
extern HashTable cached_phars;
extern HashTable cached_alias;
#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, int security TSRMLS_DC);
phar_entry_info *phar_get_entry_info_dir(phar_archive_data *phar, char *path, int path_len, char dir, char **error, int security TSRMLS_DC);
phar_entry_data *phar_get_or_create_entry_data(char *fname, int fname_len, char *path, int path_len, const char *mode, char allow_dir, char **error, int security TSRMLS_DC);
int phar_get_entry_data(phar_entry_data **ret, char *fname, int fname_len, char *path, int path_len, const char *mode, char allow_dir, char **error, int security 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 filename_len, const char **ext_str, int *ext_len, int executable, int for_create, int is_complete TSRMLS_DC);
int phar_split_fname(const char *filename, int filename_len, char **arch, int *arch_len, char **entry, int *entry_len, int executable, int for_create 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
 */

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