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2eb4728611
php-src/ext/phar/phar_internal.h
Nikita Popov 2eb4728611 Remove HAVE_SPL checks 
SPL is always built.

Also clean up spl_ce_RuntimeException handling in PDO.
2016-01-30 14:53:00 +01:00

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/*
+----------------------------------------------------------------------+
| phar php single-file executable PHP extension |
+----------------------------------------------------------------------+
| Copyright (c) 2006-2016 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_sort.h"
#include "zend_vm.h"
#include "zend_smart_str.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_versioning.h"
#ifndef PHP_WIN32
#include "TSRM/tsrm_strtok_r.h"
#endif
#include "Zend/zend_virtual_cwd.h"
#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"
#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)
#define PHAR_G(v) ZEND_MODULE_GLOBALS_ACCESSOR(phar, v)
#if defined(ZTS) && defined(COMPILE_DL_PHAR)
ZEND_TSRMLS_CACHE_EXTERN();
#endif
#ifndef php_uint16
# if SIZEOF_SHORT == 2
# define php_uint16 unsigned short
# else
# define php_uint16 uint16_t
# endif
#endif
#include "pharzip.h"
typedef union _phar_archive_object phar_archive_object;
typedef union _phar_entry_object phar_entry_object;
/*
* 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 */
zend_long offset_abs;
/* offset within fp of the file contents */
zend_long offset;
/* offset within original phar file of the file header (for zip-based/tar-based) */
zend_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 */
zend_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)
{
if (!entry->is_persistent) {
return entry->phar->fp;
}
return PHAR_G(cached_fp)[entry->phar->phar_pos].fp;
}
static inline php_stream *phar_get_entrypufp(phar_entry_info *entry)
{
if (!entry->is_persistent) {
return entry->phar->ufp;
}
return PHAR_G(cached_fp)[entry->phar->phar_pos].ufp;
}
static inline void phar_set_entrypfp(phar_entry_info *entry, php_stream *fp)
{
if (!entry->phar->is_persistent) {
entry->phar->fp = fp;
return;
}
PHAR_G(cached_fp)[entry->phar->phar_pos].fp = fp;
}
static inline void phar_set_entrypufp(phar_entry_info *entry, php_stream *fp)
{
if (!entry->phar->is_persistent) {
entry->phar->ufp = fp;
return;
}
PHAR_G(cached_fp)[entry->phar->phar_pos].ufp = fp;
}
static inline php_stream *phar_get_pharfp(phar_archive_data *phar)
{
if (!phar->is_persistent) {
return phar->fp;
}
return PHAR_G(cached_fp)[phar->phar_pos].fp;
}
static inline php_stream *phar_get_pharufp(phar_archive_data *phar)
{
if (!phar->is_persistent) {
return phar->ufp;
}
return PHAR_G(cached_fp)[phar->phar_pos].ufp;
}
static inline void phar_set_pharfp(phar_archive_data *phar, php_stream *fp)
{
if (!phar->is_persistent) {
phar->fp = fp;
return;
}
PHAR_G(cached_fp)[phar->phar_pos].fp = fp;
}
static inline void phar_set_pharufp(phar_archive_data *phar, php_stream *fp)
{
if (!phar->is_persistent) {
phar->ufp = fp;
return;
}
PHAR_G(cached_fp)[phar->phar_pos].ufp = fp;
}
static inline void phar_set_fp_type(phar_entry_info *entry, enum phar_fp_type type, zend_off_t offset)
{
phar_entry_fp_info *data;
if (!entry->is_persistent) {
entry->fp_type = type;
entry->offset = offset;
return;
}
data = &(PHAR_G(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)
{
if (!entry->is_persistent) {
return entry->fp_type;
}
return PHAR_G(cached_fp)[entry->phar->phar_pos].manifest[entry->manifest_pos].fp_type;
}
static inline zend_off_t phar_get_fp_offset(phar_entry_info *entry)
{
if (!entry->is_persistent) {
return entry->offset;
}
if (PHAR_G(cached_fp)[entry->phar->phar_pos].manifest[entry->manifest_pos].fp_type == PHAR_FP) {
if (!PHAR_G(cached_fp)[entry->phar->phar_pos].manifest[entry->manifest_pos].offset) {
PHAR_G(cached_fp)[entry->phar->phar_pos].manifest[entry->manifest_pos].offset = entry->offset;
}
}
return PHAR_G(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 */
zend_off_t position;
/* for copies of the phar fp, defines where 0 is */
zend_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;
/* archive php object */
union _phar_archive_object {
spl_filesystem_object spl;
phar_archive_data *archive;
};
/* entry php object */
union _phar_entry_object {
spl_filesystem_object spl;
phar_entry_info *entry;
};
#ifndef PHAR_MAIN
extern zend_string *(*phar_save_resolve_path)(const char *filename, int filename_len);
#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) /* {{{ */
{
char tmp[MAXPATHLEN];
int tmp_len;
size_t len1, len2;
tmp_len = MIN(MAXPATHLEN, entry->filename_len + entry->phar->fname_len);
len1 = MIN(entry->phar->fname_len, tmp_len);
memcpy(tmp, entry->phar->fname, len1);
len2 = MIN(tmp_len - len1, entry->filename_len);
memcpy(tmp + len1, entry->filename, len2);
entry->inode = (unsigned short) zend_hash_func(tmp, tmp_len);
}
/* }}} */
void phar_request_initialize(void);
void phar_object_init(void);
void phar_destroy_phar_data(phar_archive_data *phar);
int phar_open_entry_file(phar_archive_data *phar, phar_entry_info *entry, char **error);
int phar_postprocess_file(phar_entry_data *idata, php_uint32 crc32, char **error, int process_zip);
int phar_open_from_filename(char *fname, int fname_len, char *alias, int alias_len, int options, phar_archive_data** pphar, char **error);
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);
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);
int phar_open_executed_filename(char *alias, int alias_len, char **error);
int phar_free_alias(phar_archive_data *phar, char *alias, int alias_len);
int phar_get_archive(phar_archive_data **archive, char *fname, int fname_len, char *alias, int alias_len, char **error);
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);
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);
int phar_create_signature(phar_archive_data *phar, php_stream *fp, char **signature, int *signature_length, char **error);
/* utility functions */
zend_string *phar_create_default_stub(const char *index_php, const char *web_index, char **error);
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);
void phar_add_virtual_dirs(phar_archive_data *phar, char *filename, int filename_len);
int phar_mount_entry(phar_archive_data *phar, char *filename, int filename_len, char *path, int path_len);
zend_string *phar_find_in_include_path(char *file, int file_len, phar_archive_data **pphar);
char *phar_fix_filepath(char *path, int *new_len, int use_cwd);
phar_entry_info * phar_open_jit(phar_archive_data *phar, phar_entry_info *entry, char **error);
int phar_parse_metadata(char **buffer, zval *metadata, php_uint32 zip_metadata_len);
void destroy_phar_manifest_entry(zval *zv);
int phar_seek_efp(phar_entry_info *entry, zend_off_t offset, int whence, zend_off_t position, int follow_links);
php_stream *phar_get_efp(phar_entry_info *entry, int follow_links);
int phar_copy_entry_fp(phar_entry_info *source, phar_entry_info *dest, char **error);
int phar_open_entry_fp(phar_entry_info *entry, char **error, int follow_links);
phar_entry_info *phar_get_link_source(phar_entry_info *entry);
int phar_create_writeable_entry(phar_archive_data *phar, phar_entry_info *entry, char **error);
int phar_separate_entry_fp(phar_entry_info *entry, char **error);
int phar_open_archive_fp(phar_archive_data *phar);
int phar_copy_on_write(phar_archive_data **pphar);
/* 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);
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);
int phar_tar_flush(phar_archive_data *phar, char *user_stub, zend_long len, int defaultstub, char **error);
/* 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);
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);
int phar_zip_flush(phar_archive_data *archive, char *user_stub, zend_long len, int defaultstub, char **error);
#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);
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);
int phar_entry_delref(phar_entry_data *idata);
phar_entry_info *phar_get_entry_info(phar_archive_data *phar, char *path, int path_len, char **error, int security);
phar_entry_info *phar_get_entry_info_dir(phar_archive_data *phar, char *path, int path_len, char dir, char **error, int security);
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);
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);
int phar_flush(phar_archive_data *archive, char *user_stub, zend_long len, int convert, char **error);
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);
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);
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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