/ext/standard/file.c
C | 2476 lines | 1965 code | 351 blank | 160 comment | 351 complexity | 21a37653722ba804c836a7befde83e01 MD5 | raw file
Possible License(s): BSD-2-Clause, BSD-3-Clause, MPL-2.0-no-copyleft-exception, LGPL-2.1
Large files files are truncated, but you can click here to view the full file
- /*
- +----------------------------------------------------------------------+
- | 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: |
- | https://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: Rasmus Lerdorf <rasmus@php.net> |
- | Stig Bakken <ssb@php.net> |
- | Andi Gutmans <andi@php.net> |
- | Zeev Suraski <zeev@php.net> |
- | PHP 4.0 patches by Thies C. Arntzen (thies@thieso.net) |
- | PHP streams by Wez Furlong (wez@thebrainroom.com) |
- +----------------------------------------------------------------------+
- */
- /* {{{ includes */
- #include "php.h"
- #include "php_globals.h"
- #include "ext/standard/flock_compat.h"
- #include "ext/standard/exec.h"
- #include "ext/standard/php_filestat.h"
- #include "php_open_temporary_file.h"
- #include "ext/standard/basic_functions.h"
- #include "php_ini.h"
- #include "zend_smart_str.h"
- #include <stdio.h>
- #include <stdlib.h>
- #include <errno.h>
- #include <wchar.h>
- #include <sys/types.h>
- #include <sys/stat.h>
- #include <fcntl.h>
- #ifdef PHP_WIN32
- # include <io.h>
- # define O_RDONLY _O_RDONLY
- # include "win32/param.h"
- # include "win32/winutil.h"
- # include "win32/fnmatch.h"
- # include "win32/ioutil.h"
- #else
- # if HAVE_SYS_PARAM_H
- # include <sys/param.h>
- # endif
- # if HAVE_SYS_SELECT_H
- # include <sys/select.h>
- # endif
- # include <sys/socket.h>
- # include <netinet/in.h>
- # include <netdb.h>
- # if HAVE_ARPA_INET_H
- # include <arpa/inet.h>
- # endif
- #endif
- #include "ext/standard/head.h"
- #include "php_string.h"
- #include "file.h"
- #if HAVE_PWD_H
- # ifdef PHP_WIN32
- # include "win32/pwd.h"
- # else
- # include <pwd.h>
- # endif
- #endif
- #ifdef HAVE_SYS_TIME_H
- # include <sys/time.h>
- #endif
- #include "fsock.h"
- #include "fopen_wrappers.h"
- #include "streamsfuncs.h"
- #include "php_globals.h"
- #ifdef HAVE_SYS_FILE_H
- # include <sys/file.h>
- #endif
- #if MISSING_FCLOSE_DECL
- extern int fclose(FILE *);
- #endif
- #ifdef HAVE_SYS_MMAN_H
- # include <sys/mman.h>
- #endif
- #include "scanf.h"
- #include "zend_API.h"
- #ifdef ZTS
- int file_globals_id;
- #else
- php_file_globals file_globals;
- #endif
- #if defined(HAVE_FNMATCH) && !defined(PHP_WIN32)
- # ifndef _GNU_SOURCE
- # define _GNU_SOURCE
- # endif
- # include <fnmatch.h>
- #endif
- /* }}} */
- #define PHP_STREAM_TO_ZVAL(stream, arg) \
- ZEND_ASSERT(Z_TYPE_P(arg) == IS_RESOURCE); \
- php_stream_from_res(stream, Z_RES_P(arg));
- /* {{{ ZTS-stuff / Globals / Prototypes */
- /* sharing globals is *evil* */
- static int le_stream_context = FAILURE;
- PHPAPI int php_le_stream_context(void)
- {
- return le_stream_context;
- }
- /* }}} */
- /* {{{ Module-Stuff */
- static ZEND_RSRC_DTOR_FUNC(file_context_dtor)
- {
- php_stream_context *context = (php_stream_context*)res->ptr;
- if (Z_TYPE(context->options) != IS_UNDEF) {
- zval_ptr_dtor(&context->options);
- ZVAL_UNDEF(&context->options);
- }
- php_stream_context_free(context);
- }
- static void file_globals_ctor(php_file_globals *file_globals_p)
- {
- memset(file_globals_p, 0, sizeof(php_file_globals));
- file_globals_p->def_chunk_size = PHP_SOCK_CHUNK_SIZE;
- }
- static void file_globals_dtor(php_file_globals *file_globals_p)
- {
- #if defined(HAVE_GETHOSTBYNAME_R)
- if (file_globals_p->tmp_host_buf) {
- free(file_globals_p->tmp_host_buf);
- }
- #endif
- }
- static PHP_INI_MH(OnUpdateAutoDetectLineEndings)
- {
- if (zend_ini_parse_bool(new_value)) {
- zend_error(E_DEPRECATED, "auto_detect_line_endings is deprecated");
- }
- return OnUpdateBool(entry, new_value, mh_arg1, mh_arg2, mh_arg3, stage);
- }
- PHP_INI_BEGIN()
- STD_PHP_INI_ENTRY("user_agent", NULL, PHP_INI_ALL, OnUpdateString, user_agent, php_file_globals, file_globals)
- STD_PHP_INI_ENTRY("from", NULL, PHP_INI_ALL, OnUpdateString, from_address, php_file_globals, file_globals)
- STD_PHP_INI_ENTRY("default_socket_timeout", "60", PHP_INI_ALL, OnUpdateLong, default_socket_timeout, php_file_globals, file_globals)
- STD_PHP_INI_BOOLEAN("auto_detect_line_endings", "0", PHP_INI_ALL, OnUpdateAutoDetectLineEndings, auto_detect_line_endings, php_file_globals, file_globals)
- PHP_INI_END()
- PHP_MINIT_FUNCTION(file)
- {
- le_stream_context = zend_register_list_destructors_ex(file_context_dtor, NULL, "stream-context", module_number);
- #ifdef ZTS
- ts_allocate_id(&file_globals_id, sizeof(php_file_globals), (ts_allocate_ctor) file_globals_ctor, (ts_allocate_dtor) file_globals_dtor);
- #else
- file_globals_ctor(&file_globals);
- #endif
- REGISTER_INI_ENTRIES();
- REGISTER_LONG_CONSTANT("SEEK_SET", SEEK_SET, CONST_CS | CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("SEEK_CUR", SEEK_CUR, CONST_CS | CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("SEEK_END", SEEK_END, CONST_CS | CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("LOCK_SH", PHP_LOCK_SH, CONST_CS | CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("LOCK_EX", PHP_LOCK_EX, CONST_CS | CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("LOCK_UN", PHP_LOCK_UN, CONST_CS | CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("LOCK_NB", PHP_LOCK_NB, CONST_CS | CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("STREAM_NOTIFY_CONNECT", PHP_STREAM_NOTIFY_CONNECT, CONST_CS | CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("STREAM_NOTIFY_AUTH_REQUIRED", PHP_STREAM_NOTIFY_AUTH_REQUIRED, CONST_CS | CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("STREAM_NOTIFY_AUTH_RESULT", PHP_STREAM_NOTIFY_AUTH_RESULT, CONST_CS | CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("STREAM_NOTIFY_MIME_TYPE_IS", PHP_STREAM_NOTIFY_MIME_TYPE_IS, CONST_CS | CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("STREAM_NOTIFY_FILE_SIZE_IS", PHP_STREAM_NOTIFY_FILE_SIZE_IS, CONST_CS | CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("STREAM_NOTIFY_REDIRECTED", PHP_STREAM_NOTIFY_REDIRECTED, CONST_CS | CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("STREAM_NOTIFY_PROGRESS", PHP_STREAM_NOTIFY_PROGRESS, CONST_CS | CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("STREAM_NOTIFY_FAILURE", PHP_STREAM_NOTIFY_FAILURE, CONST_CS | CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("STREAM_NOTIFY_COMPLETED", PHP_STREAM_NOTIFY_COMPLETED, CONST_CS | CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("STREAM_NOTIFY_RESOLVE", PHP_STREAM_NOTIFY_RESOLVE, CONST_CS | CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("STREAM_NOTIFY_SEVERITY_INFO", PHP_STREAM_NOTIFY_SEVERITY_INFO, CONST_CS | CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("STREAM_NOTIFY_SEVERITY_WARN", PHP_STREAM_NOTIFY_SEVERITY_WARN, CONST_CS | CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("STREAM_NOTIFY_SEVERITY_ERR", PHP_STREAM_NOTIFY_SEVERITY_ERR, CONST_CS | CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("STREAM_FILTER_READ", PHP_STREAM_FILTER_READ, CONST_CS | CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("STREAM_FILTER_WRITE", PHP_STREAM_FILTER_WRITE, CONST_CS | CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("STREAM_FILTER_ALL", PHP_STREAM_FILTER_ALL, CONST_CS | CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("STREAM_CLIENT_PERSISTENT", PHP_STREAM_CLIENT_PERSISTENT, CONST_CS | CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("STREAM_CLIENT_ASYNC_CONNECT", PHP_STREAM_CLIENT_ASYNC_CONNECT, CONST_CS | CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("STREAM_CLIENT_CONNECT", PHP_STREAM_CLIENT_CONNECT, CONST_CS | CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_ANY_CLIENT", STREAM_CRYPTO_METHOD_ANY_CLIENT, CONST_CS|CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv2_CLIENT", STREAM_CRYPTO_METHOD_SSLv2_CLIENT, CONST_CS|CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv3_CLIENT", STREAM_CRYPTO_METHOD_SSLv3_CLIENT, CONST_CS|CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv23_CLIENT", STREAM_CRYPTO_METHOD_SSLv23_CLIENT, CONST_CS|CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLS_CLIENT", STREAM_CRYPTO_METHOD_TLS_CLIENT, CONST_CS|CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLSv1_0_CLIENT", STREAM_CRYPTO_METHOD_TLSv1_0_CLIENT, CONST_CS|CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLSv1_1_CLIENT", STREAM_CRYPTO_METHOD_TLSv1_1_CLIENT, CONST_CS|CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLSv1_2_CLIENT", STREAM_CRYPTO_METHOD_TLSv1_2_CLIENT, CONST_CS|CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLSv1_3_CLIENT", STREAM_CRYPTO_METHOD_TLSv1_3_CLIENT, CONST_CS|CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_ANY_SERVER", STREAM_CRYPTO_METHOD_ANY_SERVER, CONST_CS|CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv2_SERVER", STREAM_CRYPTO_METHOD_SSLv2_SERVER, CONST_CS|CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv3_SERVER", STREAM_CRYPTO_METHOD_SSLv3_SERVER, CONST_CS|CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_SSLv23_SERVER", STREAM_CRYPTO_METHOD_SSLv23_SERVER, CONST_CS|CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLS_SERVER", STREAM_CRYPTO_METHOD_TLS_SERVER, CONST_CS|CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLSv1_0_SERVER", STREAM_CRYPTO_METHOD_TLSv1_0_SERVER, CONST_CS|CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLSv1_1_SERVER", STREAM_CRYPTO_METHOD_TLSv1_1_SERVER, CONST_CS|CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLSv1_2_SERVER", STREAM_CRYPTO_METHOD_TLSv1_2_SERVER, CONST_CS|CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("STREAM_CRYPTO_METHOD_TLSv1_3_SERVER", STREAM_CRYPTO_METHOD_TLSv1_3_SERVER, CONST_CS|CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("STREAM_CRYPTO_PROTO_SSLv3", STREAM_CRYPTO_METHOD_SSLv3_SERVER, CONST_CS|CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("STREAM_CRYPTO_PROTO_TLSv1_0", STREAM_CRYPTO_METHOD_TLSv1_0_SERVER, CONST_CS|CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("STREAM_CRYPTO_PROTO_TLSv1_1", STREAM_CRYPTO_METHOD_TLSv1_1_SERVER, CONST_CS|CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("STREAM_CRYPTO_PROTO_TLSv1_2", STREAM_CRYPTO_METHOD_TLSv1_2_SERVER, CONST_CS|CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("STREAM_CRYPTO_PROTO_TLSv1_3", STREAM_CRYPTO_METHOD_TLSv1_3_SERVER, CONST_CS|CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("STREAM_SHUT_RD", STREAM_SHUT_RD, CONST_CS|CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("STREAM_SHUT_WR", STREAM_SHUT_WR, CONST_CS|CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("STREAM_SHUT_RDWR", STREAM_SHUT_RDWR, CONST_CS|CONST_PERSISTENT);
- #ifdef PF_INET
- REGISTER_LONG_CONSTANT("STREAM_PF_INET", PF_INET, CONST_CS|CONST_PERSISTENT);
- #elif defined(AF_INET)
- REGISTER_LONG_CONSTANT("STREAM_PF_INET", AF_INET, CONST_CS|CONST_PERSISTENT);
- #endif
- #if HAVE_IPV6
- # ifdef PF_INET6
- REGISTER_LONG_CONSTANT("STREAM_PF_INET6", PF_INET6, CONST_CS|CONST_PERSISTENT);
- # elif defined(AF_INET6)
- REGISTER_LONG_CONSTANT("STREAM_PF_INET6", AF_INET6, CONST_CS|CONST_PERSISTENT);
- # endif
- #endif
- #ifdef PF_UNIX
- REGISTER_LONG_CONSTANT("STREAM_PF_UNIX", PF_UNIX, CONST_CS|CONST_PERSISTENT);
- #elif defined(AF_UNIX)
- REGISTER_LONG_CONSTANT("STREAM_PF_UNIX", AF_UNIX, CONST_CS|CONST_PERSISTENT);
- #endif
- #ifdef IPPROTO_IP
- /* most people will use this one when calling socket() or socketpair() */
- REGISTER_LONG_CONSTANT("STREAM_IPPROTO_IP", IPPROTO_IP, CONST_CS|CONST_PERSISTENT);
- #endif
- #if defined(IPPROTO_TCP) || defined(PHP_WIN32)
- REGISTER_LONG_CONSTANT("STREAM_IPPROTO_TCP", IPPROTO_TCP, CONST_CS|CONST_PERSISTENT);
- #endif
- #if defined(IPPROTO_UDP) || defined(PHP_WIN32)
- REGISTER_LONG_CONSTANT("STREAM_IPPROTO_UDP", IPPROTO_UDP, CONST_CS|CONST_PERSISTENT);
- #endif
- #if defined(IPPROTO_ICMP) || defined(PHP_WIN32)
- REGISTER_LONG_CONSTANT("STREAM_IPPROTO_ICMP", IPPROTO_ICMP, CONST_CS|CONST_PERSISTENT);
- #endif
- #if defined(IPPROTO_RAW) || defined(PHP_WIN32)
- REGISTER_LONG_CONSTANT("STREAM_IPPROTO_RAW", IPPROTO_RAW, CONST_CS|CONST_PERSISTENT);
- #endif
- REGISTER_LONG_CONSTANT("STREAM_SOCK_STREAM", SOCK_STREAM, CONST_CS|CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("STREAM_SOCK_DGRAM", SOCK_DGRAM, CONST_CS|CONST_PERSISTENT);
- #ifdef SOCK_RAW
- REGISTER_LONG_CONSTANT("STREAM_SOCK_RAW", SOCK_RAW, CONST_CS|CONST_PERSISTENT);
- #endif
- #ifdef SOCK_SEQPACKET
- REGISTER_LONG_CONSTANT("STREAM_SOCK_SEQPACKET", SOCK_SEQPACKET, CONST_CS|CONST_PERSISTENT);
- #endif
- #ifdef SOCK_RDM
- REGISTER_LONG_CONSTANT("STREAM_SOCK_RDM", SOCK_RDM, CONST_CS|CONST_PERSISTENT);
- #endif
- REGISTER_LONG_CONSTANT("STREAM_PEEK", STREAM_PEEK, CONST_CS | CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("STREAM_OOB", STREAM_OOB, CONST_CS | CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("STREAM_SERVER_BIND", STREAM_XPORT_BIND, CONST_CS | CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("STREAM_SERVER_LISTEN", STREAM_XPORT_LISTEN, CONST_CS | CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("FILE_USE_INCLUDE_PATH", PHP_FILE_USE_INCLUDE_PATH, CONST_CS | CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("FILE_IGNORE_NEW_LINES", PHP_FILE_IGNORE_NEW_LINES, CONST_CS | CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("FILE_SKIP_EMPTY_LINES", PHP_FILE_SKIP_EMPTY_LINES, CONST_CS | CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("FILE_APPEND", PHP_FILE_APPEND, CONST_CS | CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("FILE_NO_DEFAULT_CONTEXT", PHP_FILE_NO_DEFAULT_CONTEXT, CONST_CS | CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("FILE_TEXT", 0, CONST_CS | CONST_PERSISTENT | CONST_DEPRECATED);
- REGISTER_LONG_CONSTANT("FILE_BINARY", 0, CONST_CS | CONST_PERSISTENT | CONST_DEPRECATED);
- #ifdef HAVE_FNMATCH
- REGISTER_LONG_CONSTANT("FNM_NOESCAPE", FNM_NOESCAPE, CONST_CS | CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("FNM_PATHNAME", FNM_PATHNAME, CONST_CS | CONST_PERSISTENT);
- REGISTER_LONG_CONSTANT("FNM_PERIOD", FNM_PERIOD, CONST_CS | CONST_PERSISTENT);
- # ifdef FNM_CASEFOLD /* a GNU extension */ /* TODO emulate if not available */
- REGISTER_LONG_CONSTANT("FNM_CASEFOLD", FNM_CASEFOLD, CONST_CS | CONST_PERSISTENT);
- # endif
- #endif
- return SUCCESS;
- }
- /* }}} */
- PHP_MSHUTDOWN_FUNCTION(file) /* {{{ */
- {
- #ifndef ZTS
- file_globals_dtor(&file_globals);
- #endif
- return SUCCESS;
- }
- /* }}} */
- PHPAPI void php_flock_common(php_stream *stream, zend_long operation,
- uint32_t operation_arg_num, zval *wouldblock, zval *return_value)
- {
- int flock_values[] = { LOCK_SH, LOCK_EX, LOCK_UN };
- int act;
- act = operation & PHP_LOCK_UN;
- if (act < 1 || act > 3) {
- zend_argument_value_error(operation_arg_num, "must be one of LOCK_SH, LOCK_EX, or LOCK_UN");
- RETURN_THROWS();
- }
- if (wouldblock) {
- ZEND_TRY_ASSIGN_REF_LONG(wouldblock, 0);
- }
- /* flock_values contains all possible actions if (operation & PHP_LOCK_NB) we won't block on the lock */
- act = flock_values[act - 1] | (operation & PHP_LOCK_NB ? LOCK_NB : 0);
- if (php_stream_lock(stream, act)) {
- if (operation && errno == EWOULDBLOCK && wouldblock) {
- ZEND_TRY_ASSIGN_REF_LONG(wouldblock, 1);
- }
- RETURN_FALSE;
- }
- RETURN_TRUE;
- }
- /* {{{ Portable file locking */
- PHP_FUNCTION(flock)
- {
- zval *res, *wouldblock = NULL;
- php_stream *stream;
- zend_long operation = 0;
- ZEND_PARSE_PARAMETERS_START(2, 3)
- Z_PARAM_RESOURCE(res)
- Z_PARAM_LONG(operation)
- Z_PARAM_OPTIONAL
- Z_PARAM_ZVAL(wouldblock)
- ZEND_PARSE_PARAMETERS_END();
- PHP_STREAM_TO_ZVAL(stream, res);
- php_flock_common(stream, operation, 2, wouldblock, return_value);
- }
- /* }}} */
- #define PHP_META_UNSAFE ".\\+*?[^]$() "
- /* {{{ Extracts all meta tag content attributes from a file and returns an array */
- PHP_FUNCTION(get_meta_tags)
- {
- char *filename;
- size_t filename_len;
- bool use_include_path = 0;
- int in_tag = 0, done = 0;
- int looking_for_val = 0, have_name = 0, have_content = 0;
- int saw_name = 0, saw_content = 0;
- char *name = NULL, *value = NULL, *temp = NULL;
- php_meta_tags_token tok, tok_last;
- php_meta_tags_data md;
- /* Initialize our structure */
- memset(&md, 0, sizeof(md));
- /* Parse arguments */
- ZEND_PARSE_PARAMETERS_START(1, 2)
- Z_PARAM_PATH(filename, filename_len)
- Z_PARAM_OPTIONAL
- Z_PARAM_BOOL(use_include_path)
- ZEND_PARSE_PARAMETERS_END();
- md.stream = php_stream_open_wrapper(filename, "rb",
- (use_include_path ? USE_PATH : 0) | REPORT_ERRORS,
- NULL);
- if (!md.stream) {
- RETURN_FALSE;
- }
- array_init(return_value);
- tok_last = TOK_EOF;
- while (!done && (tok = php_next_meta_token(&md)) != TOK_EOF) {
- if (tok == TOK_ID) {
- if (tok_last == TOK_OPENTAG) {
- md.in_meta = !strcasecmp("meta", md.token_data);
- } else if (tok_last == TOK_SLASH && in_tag) {
- if (strcasecmp("head", md.token_data) == 0) {
- /* We are done here! */
- done = 1;
- }
- } else if (tok_last == TOK_EQUAL && looking_for_val) {
- if (saw_name) {
- if (name) efree(name);
- /* Get the NAME attr (Single word attr, non-quoted) */
- temp = name = estrndup(md.token_data, md.token_len);
- while (temp && *temp) {
- if (strchr(PHP_META_UNSAFE, *temp)) {
- *temp = '_';
- }
- temp++;
- }
- have_name = 1;
- } else if (saw_content) {
- if (value) efree(value);
- value = estrndup(md.token_data, md.token_len);
- have_content = 1;
- }
- looking_for_val = 0;
- } else {
- if (md.in_meta) {
- if (strcasecmp("name", md.token_data) == 0) {
- saw_name = 1;
- saw_content = 0;
- looking_for_val = 1;
- } else if (strcasecmp("content", md.token_data) == 0) {
- saw_name = 0;
- saw_content = 1;
- looking_for_val = 1;
- }
- }
- }
- } else if (tok == TOK_STRING && tok_last == TOK_EQUAL && looking_for_val) {
- if (saw_name) {
- if (name) efree(name);
- /* Get the NAME attr (Quoted single/double) */
- temp = name = estrndup(md.token_data, md.token_len);
- while (temp && *temp) {
- if (strchr(PHP_META_UNSAFE, *temp)) {
- *temp = '_';
- }
- temp++;
- }
- have_name = 1;
- } else if (saw_content) {
- if (value) efree(value);
- value = estrndup(md.token_data, md.token_len);
- have_content = 1;
- }
- looking_for_val = 0;
- } else if (tok == TOK_OPENTAG) {
- if (looking_for_val) {
- looking_for_val = 0;
- have_name = saw_name = 0;
- have_content = saw_content = 0;
- }
- in_tag = 1;
- } else if (tok == TOK_CLOSETAG) {
- if (have_name) {
- /* For BC */
- zend_str_tolower(name, strlen(name));
- if (have_content) {
- add_assoc_string(return_value, name, value);
- } else {
- add_assoc_string(return_value, name, "");
- }
- efree(name);
- if (value) efree(value);
- } else if (have_content) {
- efree(value);
- }
- name = value = NULL;
- /* Reset all of our flags */
- in_tag = looking_for_val = 0;
- have_name = saw_name = 0;
- have_content = saw_content = 0;
- md.in_meta = 0;
- }
- tok_last = tok;
- if (md.token_data)
- efree(md.token_data);
- md.token_data = NULL;
- }
- if (value) efree(value);
- if (name) efree(name);
- php_stream_close(md.stream);
- }
- /* }}} */
- /* {{{ Read the entire file into a string */
- PHP_FUNCTION(file_get_contents)
- {
- char *filename;
- size_t filename_len;
- bool use_include_path = 0;
- php_stream *stream;
- zend_long offset = 0;
- zend_long maxlen;
- bool maxlen_is_null = 1;
- zval *zcontext = NULL;
- php_stream_context *context = NULL;
- zend_string *contents;
- /* Parse arguments */
- ZEND_PARSE_PARAMETERS_START(1, 5)
- Z_PARAM_PATH(filename, filename_len)
- Z_PARAM_OPTIONAL
- Z_PARAM_BOOL(use_include_path)
- Z_PARAM_RESOURCE_OR_NULL(zcontext)
- Z_PARAM_LONG(offset)
- Z_PARAM_LONG_OR_NULL(maxlen, maxlen_is_null)
- ZEND_PARSE_PARAMETERS_END();
- if (maxlen_is_null) {
- maxlen = (ssize_t) PHP_STREAM_COPY_ALL;
- } else if (maxlen < 0) {
- zend_argument_value_error(5, "must be greater than or equal to 0");
- RETURN_THROWS();
- }
- context = php_stream_context_from_zval(zcontext, 0);
- stream = php_stream_open_wrapper_ex(filename, "rb",
- (use_include_path ? USE_PATH : 0) | REPORT_ERRORS,
- NULL, context);
- if (!stream) {
- RETURN_FALSE;
- }
- if (offset != 0 && php_stream_seek(stream, offset, ((offset > 0) ? SEEK_SET : SEEK_END)) < 0) {
- php_error_docref(NULL, E_WARNING, "Failed to seek to position " ZEND_LONG_FMT " in the stream", offset);
- php_stream_close(stream);
- RETURN_FALSE;
- }
- if ((contents = php_stream_copy_to_mem(stream, maxlen, 0)) != NULL) {
- RETVAL_STR(contents);
- } else {
- RETVAL_EMPTY_STRING();
- }
- php_stream_close(stream);
- }
- /* }}} */
- /* {{{ Write/Create a file with contents data and return the number of bytes written */
- PHP_FUNCTION(file_put_contents)
- {
- php_stream *stream;
- char *filename;
- size_t filename_len;
- zval *data;
- ssize_t numbytes = 0;
- zend_long flags = 0;
- zval *zcontext = NULL;
- php_stream_context *context = NULL;
- php_stream *srcstream = NULL;
- char mode[3] = "wb";
- ZEND_PARSE_PARAMETERS_START(2, 4)
- Z_PARAM_PATH(filename, filename_len)
- Z_PARAM_ZVAL(data)
- Z_PARAM_OPTIONAL
- Z_PARAM_LONG(flags)
- Z_PARAM_RESOURCE_OR_NULL(zcontext)
- ZEND_PARSE_PARAMETERS_END();
- if (Z_TYPE_P(data) == IS_RESOURCE) {
- php_stream_from_zval(srcstream, data);
- }
- context = php_stream_context_from_zval(zcontext, flags & PHP_FILE_NO_DEFAULT_CONTEXT);
- if (flags & PHP_FILE_APPEND) {
- mode[0] = 'a';
- } else if (flags & LOCK_EX) {
- /* check to make sure we are dealing with a regular file */
- if (php_memnstr(filename, "://", sizeof("://") - 1, filename + filename_len)) {
- if (strncasecmp(filename, "file://", sizeof("file://") - 1)) {
- php_error_docref(NULL, E_WARNING, "Exclusive locks may only be set for regular files");
- RETURN_FALSE;
- }
- }
- mode[0] = 'c';
- }
- mode[2] = '\0';
- stream = php_stream_open_wrapper_ex(filename, mode, ((flags & PHP_FILE_USE_INCLUDE_PATH) ? USE_PATH : 0) | REPORT_ERRORS, NULL, context);
- if (stream == NULL) {
- RETURN_FALSE;
- }
- if ((flags & LOCK_EX) && (!php_stream_supports_lock(stream) || php_stream_lock(stream, LOCK_EX))) {
- php_stream_close(stream);
- php_error_docref(NULL, E_WARNING, "Exclusive locks are not supported for this stream");
- RETURN_FALSE;
- }
- if (mode[0] == 'c') {
- php_stream_truncate_set_size(stream, 0);
- }
- switch (Z_TYPE_P(data)) {
- case IS_RESOURCE: {
- size_t len;
- if (php_stream_copy_to_stream_ex(srcstream, stream, PHP_STREAM_COPY_ALL, &len) != SUCCESS) {
- numbytes = -1;
- } else {
- if (len > ZEND_LONG_MAX) {
- php_error_docref(NULL, E_WARNING, "content truncated from %zu to " ZEND_LONG_FMT " bytes", len, ZEND_LONG_MAX);
- len = ZEND_LONG_MAX;
- }
- numbytes = len;
- }
- break;
- }
- case IS_NULL:
- case IS_LONG:
- case IS_DOUBLE:
- case IS_FALSE:
- case IS_TRUE:
- convert_to_string(data);
- ZEND_FALLTHROUGH;
- case IS_STRING:
- if (Z_STRLEN_P(data)) {
- numbytes = php_stream_write(stream, Z_STRVAL_P(data), Z_STRLEN_P(data));
- if (numbytes != -1 && numbytes != Z_STRLEN_P(data)) {
- php_error_docref(NULL, E_WARNING, "Only %zd of %zd bytes written, possibly out of free disk space", numbytes, Z_STRLEN_P(data));
- numbytes = -1;
- }
- }
- break;
- case IS_ARRAY:
- if (zend_hash_num_elements(Z_ARRVAL_P(data))) {
- ssize_t bytes_written;
- zval *tmp;
- ZEND_HASH_FOREACH_VAL(Z_ARRVAL_P(data), tmp) {
- zend_string *t;
- zend_string *str = zval_get_tmp_string(tmp, &t);
- if (ZSTR_LEN(str)) {
- numbytes += ZSTR_LEN(str);
- bytes_written = php_stream_write(stream, ZSTR_VAL(str), ZSTR_LEN(str));
- if (bytes_written != ZSTR_LEN(str)) {
- php_error_docref(NULL, E_WARNING, "Failed to write %zd bytes to %s", ZSTR_LEN(str), filename);
- zend_tmp_string_release(t);
- numbytes = -1;
- break;
- }
- }
- zend_tmp_string_release(t);
- } ZEND_HASH_FOREACH_END();
- }
- break;
- case IS_OBJECT:
- if (Z_OBJ_HT_P(data) != NULL) {
- zval out;
- if (zend_std_cast_object_tostring(Z_OBJ_P(data), &out, IS_STRING) == SUCCESS) {
- numbytes = php_stream_write(stream, Z_STRVAL(out), Z_STRLEN(out));
- if (numbytes != -1 && numbytes != Z_STRLEN(out)) {
- php_error_docref(NULL, E_WARNING, "Only %zd of %zd bytes written, possibly out of free disk space", numbytes, Z_STRLEN(out));
- numbytes = -1;
- }
- zval_ptr_dtor_str(&out);
- break;
- }
- }
- ZEND_FALLTHROUGH;
- default:
- numbytes = -1;
- break;
- }
- php_stream_close(stream);
- if (numbytes < 0) {
- RETURN_FALSE;
- }
- RETURN_LONG(numbytes);
- }
- /* }}} */
- #define PHP_FILE_BUF_SIZE 80
- /* {{{ Read entire file into an array */
- PHP_FUNCTION(file)
- {
- char *filename;
- size_t filename_len;
- char *p, *s, *e;
- int i = 0;
- char eol_marker = '\n';
- zend_long flags = 0;
- bool use_include_path;
- bool include_new_line;
- bool skip_blank_lines;
- php_stream *stream;
- zval *zcontext = NULL;
- php_stream_context *context = NULL;
- zend_string *target_buf;
- /* Parse arguments */
- ZEND_PARSE_PARAMETERS_START(1, 3)
- Z_PARAM_PATH(filename, filename_len)
- Z_PARAM_OPTIONAL
- Z_PARAM_LONG(flags)
- Z_PARAM_RESOURCE_OR_NULL(zcontext)
- ZEND_PARSE_PARAMETERS_END();
- if (flags < 0 || flags > (PHP_FILE_USE_INCLUDE_PATH | PHP_FILE_IGNORE_NEW_LINES | PHP_FILE_SKIP_EMPTY_LINES | PHP_FILE_NO_DEFAULT_CONTEXT)) {
- zend_argument_value_error(2, "must be a valid flag value");
- RETURN_THROWS();
- }
- use_include_path = flags & PHP_FILE_USE_INCLUDE_PATH;
- include_new_line = !(flags & PHP_FILE_IGNORE_NEW_LINES);
- skip_blank_lines = flags & PHP_FILE_SKIP_EMPTY_LINES;
- context = php_stream_context_from_zval(zcontext, flags & PHP_FILE_NO_DEFAULT_CONTEXT);
- stream = php_stream_open_wrapper_ex(filename, "rb", (use_include_path ? USE_PATH : 0) | REPORT_ERRORS, NULL, context);
- if (!stream) {
- RETURN_FALSE;
- }
- /* Initialize return array */
- array_init(return_value);
- if ((target_buf = php_stream_copy_to_mem(stream, PHP_STREAM_COPY_ALL, 0)) != NULL) {
- s = ZSTR_VAL(target_buf);
- e = ZSTR_VAL(target_buf) + ZSTR_LEN(target_buf);
- if (!(p = (char*)php_stream_locate_eol(stream, target_buf))) {
- p = e;
- goto parse_eol;
- }
- if (stream->flags & PHP_STREAM_FLAG_EOL_MAC) {
- eol_marker = '\r';
- }
- /* for performance reasons the code is duplicated, so that the if (include_new_line)
- * will not need to be done for every single line in the file. */
- if (include_new_line) {
- do {
- p++;
- parse_eol:
- add_index_stringl(return_value, i++, s, p-s);
- s = p;
- } while ((p = memchr(p, eol_marker, (e-p))));
- } else {
- do {
- int windows_eol = 0;
- if (p != ZSTR_VAL(target_buf) && eol_marker == '\n' && *(p - 1) == '\r') {
- windows_eol++;
- }
- if (skip_blank_lines && !(p-s-windows_eol)) {
- s = ++p;
- continue;
- }
- add_index_stringl(return_value, i++, s, p-s-windows_eol);
- s = ++p;
- } while ((p = memchr(p, eol_marker, (e-p))));
- }
- /* handle any left overs of files without new lines */
- if (s != e) {
- p = e;
- goto parse_eol;
- }
- }
- if (target_buf) {
- zend_string_free(target_buf);
- }
- php_stream_close(stream);
- }
- /* }}} */
- /* {{{ Create a unique filename in a directory */
- PHP_FUNCTION(tempnam)
- {
- char *dir, *prefix;
- size_t dir_len, prefix_len;
- zend_string *opened_path;
- int fd;
- zend_string *p;
- ZEND_PARSE_PARAMETERS_START(2, 2)
- Z_PARAM_PATH(dir, dir_len)
- Z_PARAM_PATH(prefix, prefix_len)
- ZEND_PARSE_PARAMETERS_END();
- p = php_basename(prefix, prefix_len, NULL, 0);
- if (ZSTR_LEN(p) > 64) {
- ZSTR_VAL(p)[63] = '\0';
- }
- RETVAL_FALSE;
- if ((fd = php_open_temporary_fd_ex(dir, ZSTR_VAL(p), &opened_path, PHP_TMP_FILE_OPEN_BASEDIR_CHECK_ALWAYS)) >= 0) {
- close(fd);
- RETVAL_STR(opened_path);
- }
- zend_string_release_ex(p, 0);
- }
- /* }}} */
- /* {{{ Create a temporary file that will be deleted automatically after use */
- PHP_FUNCTION(tmpfile)
- {
- php_stream *stream;
- ZEND_PARSE_PARAMETERS_NONE();
- stream = php_stream_fopen_tmpfile();
- if (stream) {
- php_stream_to_zval(stream, return_value);
- } else {
- RETURN_FALSE;
- }
- }
- /* }}} */
- /* {{{ Open a file or a URL and return a file pointer */
- PHP_FUNCTION(fopen)
- {
- char *filename, *mode;
- size_t filename_len, mode_len;
- bool use_include_path = 0;
- zval *zcontext = NULL;
- php_stream *stream;
- php_stream_context *context = NULL;
- ZEND_PARSE_PARAMETERS_START(2, 4)
- Z_PARAM_PATH(filename, filename_len)
- Z_PARAM_STRING(mode, mode_len)
- Z_PARAM_OPTIONAL
- Z_PARAM_BOOL(use_include_path)
- Z_PARAM_RESOURCE_OR_NULL(zcontext)
- ZEND_PARSE_PARAMETERS_END();
- context = php_stream_context_from_zval(zcontext, 0);
- stream = php_stream_open_wrapper_ex(filename, mode, (use_include_path ? USE_PATH : 0) | REPORT_ERRORS, NULL, context);
- if (stream == NULL) {
- RETURN_FALSE;
- }
- php_stream_to_zval(stream, return_value);
- }
- /* }}} */
- /* {{{ Close an open file pointer */
- PHPAPI PHP_FUNCTION(fclose)
- {
- zval *res;
- php_stream *stream;
- ZEND_PARSE_PARAMETERS_START(1, 1)
- Z_PARAM_RESOURCE(res)
- ZEND_PARSE_PARAMETERS_END();
- PHP_STREAM_TO_ZVAL(stream, res);
- if ((stream->flags & PHP_STREAM_FLAG_NO_FCLOSE) != 0) {
- php_error_docref(NULL, E_WARNING, ZEND_LONG_FMT " is not a valid stream resource", stream->res->handle);
- RETURN_FALSE;
- }
- php_stream_free(stream,
- PHP_STREAM_FREE_KEEP_RSRC |
- (stream->is_persistent ? PHP_STREAM_FREE_CLOSE_PERSISTENT : PHP_STREAM_FREE_CLOSE));
- RETURN_TRUE;
- }
- /* }}} */
- /* {{{ Execute a command and open either a read or a write pipe to it */
- PHP_FUNCTION(popen)
- {
- char *command, *mode;
- size_t command_len, mode_len;
- FILE *fp;
- php_stream *stream;
- char *posix_mode;
- ZEND_PARSE_PARAMETERS_START(2, 2)
- Z_PARAM_PATH(command, command_len)
- Z_PARAM_STRING(mode, mode_len)
- ZEND_PARSE_PARAMETERS_END();
- posix_mode = estrndup(mode, mode_len);
- #ifndef PHP_WIN32
- {
- char *z = memchr(posix_mode, 'b', mode_len);
- if (z) {
- memmove(z, z + 1, mode_len - (z - posix_mode));
- mode_len--;
- }
- }
- #endif
- /* Musl only partially validates the mode. Manually check it to ensure consistent behavior. */
- if (mode_len > 2 ||
- (mode_len == 1 && (*posix_mode != 'r' && *posix_mode != 'w')) ||
- (mode_len == 2 && (memcmp(posix_mode, "rb", 2) && memcmp(posix_mode, "wb", 2)))
- ) {
- zend_argument_value_error(2, "must be one of \"r\", \"rb\", \"w\", or \"wb\"");
- efree(posix_mode);
- RETURN_THROWS();
- }
- fp = VCWD_POPEN(command, posix_mode);
- if (!fp) {
- php_error_docref2(NULL, command, posix_mode, E_WARNING, "%s", strerror(errno));
- efree(posix_mode);
- RETURN_FALSE;
- }
- stream = php_stream_fopen_from_pipe(fp, mode);
- if (stream == NULL) {
- php_error_docref2(NULL, command, mode, E_WARNING, "%s", strerror(errno));
- RETVAL_FALSE;
- } else {
- php_stream_to_zval(stream, return_value);
- }
- efree(posix_mode);
- }
- /* }}} */
- /* {{{ Close a file pointer opened by popen() */
- PHP_FUNCTION(pclose)
- {
- zval *res;
- php_stream *stream;
- ZEND_PARSE_PARAMETERS_START(1, 1)
- Z_PARAM_RESOURCE(res)
- ZEND_PARSE_PARAMETERS_END();
- PHP_STREAM_TO_ZVAL(stream, res);
- FG(pclose_wait) = 1;
- zend_list_close(stream->res);
- FG(pclose_wait) = 0;
- RETURN_LONG(FG(pclose_ret));
- }
- /* }}} */
- /* {{{ Test for end-of-file on a file pointer */
- PHPAPI PHP_FUNCTION(feof)
- {
- zval *res;
- php_stream *stream;
- ZEND_PARSE_PARAMETERS_START(1, 1)
- Z_PARAM_RESOURCE(res)
- ZEND_PARSE_PARAMETERS_END();
- PHP_STREAM_TO_ZVAL(stream, res);
- if (php_stream_eof(stream)) {
- RETURN_TRUE;
- } else {
- RETURN_FALSE;
- }
- }
- /* }}} */
- /* {{{ Get a line from file pointer */
- PHPAPI PHP_FUNCTION(fgets)
- {
- zval *res;
- zend_long len = 1024;
- bool len_is_null = 1;
- char *buf = NULL;
- size_t line_len = 0;
- zend_string *str;
- php_stream *stream;
- ZEND_PARSE_PARAMETERS_START(1, 2)
- Z_PARAM_RESOURCE(res)
- Z_PARAM_OPTIONAL
- Z_PARAM_LONG_OR_NULL(len, len_is_null)
- ZEND_PARSE_PARAMETERS_END();
- PHP_STREAM_TO_ZVAL(stream, res);
- if (len_is_null) {
- /* ask streams to give us a buffer of an appropriate size */
- buf = php_stream_get_line(stream, NULL, 0, &line_len);
- if (buf == NULL) {
- RETURN_FALSE;
- }
- // TODO: avoid reallocation ???
- RETVAL_STRINGL(buf, line_len);
- efree(buf);
- } else {
- if (len <= 0) {
- zend_argument_value_error(2, "must be greater than 0");
- RETURN_THROWS();
- }
- str = zend_string_alloc(len, 0);
- if (php_stream_get_line(stream, ZSTR_VAL(str), len, &line_len) == NULL) {
- zend_string_efree(str);
- RETURN_FALSE;
- }
- /* resize buffer if it's much larger than the result.
- * Only needed if the user requested a buffer size. */
- if (line_len < (size_t)len / 2) {
- str = zend_string_truncate(str, line_len, 0);
- } else {
- ZSTR_LEN(str) = line_len;
- }
- RETURN_NEW_STR(str);
- }
- }
- /* }}} */
- /* {{{ Get a character from file pointer */
- PHPAPI PHP_FUNCTION(fgetc)
- {
- zval *res;
- php_stream *stream;
- ZEND_PARSE_PARAMETERS_START(1, 1)
- Z_PARAM_RESOURCE(res)
- ZEND_PARSE_PARAMETERS_END();
- PHP_STREAM_TO_ZVAL(stream, res);
- int result = php_stream_getc(stream);
- if (result == EOF) {
- RETVAL_FALSE;
- } else {
- RETURN_CHAR(result);
- }
- }
- /* }}} */
- /* {{{ Implements a mostly ANSI compatible fscanf() */
- PHP_FUNCTION(fscanf)
- {
- int result, argc = 0;
- size_t format_len;
- zval *args = NULL;
- zval *file_handle;
- char *buf, *format;
- size_t len;
- void *what;
- ZEND_PARSE_PARAMETERS_START(2, -1)
- Z_PARAM_RESOURCE(file_handle)
- Z_PARAM_STRING(format, format_len)
- Z_PARAM_VARIADIC('*', args, argc)
- ZEND_PARSE_PARAMETERS_END();
- what = zend_fetch_resource2(Z_RES_P(file_handle), "File-Handle", php_file_le_stream(), php_file_le_pstream());
- /* we can't do a ZEND_VERIFY_RESOURCE(what), otherwise we end up
- * with a leak if we have an invalid filehandle. This needs changing
- * if the code behind ZEND_VERIFY_RESOURCE changed. - cc */
- if (!what) {
- RETURN_THROWS();
- }
- buf = php_stream_get_line((php_stream *) what, NULL, 0, &len);
- if (buf == NULL) {
- RETURN_FALSE;
- }
- result = php_sscanf_internal(buf, format, argc, args, 0, return_value);
- efree(buf);
- if (SCAN_ERROR_WRONG_PARAM_COUNT == result) {
- WRONG_PARAM_COUNT;
- }
- }
- /* }}} */
- /* {{{ Binary-safe file write */
- PHPAPI PHP_FUNCTION(fwrite)
- {
- zval *res;
- char *input;
- size_t inputlen;
- ssize_t ret;
- size_t num_bytes;
- zend_long maxlen = 0;
- bool maxlen_is_null = 1;
- php_stream *stream;
- ZEND_PARSE_PARAMETERS_START(2, 3)
- Z_PARAM_RESOURCE(res)
- Z_PARAM_STRING(input, inputlen)
- Z_PARAM_OPTIONAL
- Z_PARAM_LONG_OR_NULL(maxlen, maxlen_is_null)
- ZEND_PARSE_PARAMETERS_END();
- if (maxlen_is_null) {
- num_bytes = inputlen;
- } else if (maxlen <= 0) {
- num_bytes = 0;
- } else {
- num_bytes = MIN((size_t) maxlen, inputlen);
- }
- if (!num_bytes) {
- RETURN_LONG(0);
- }
- PHP_STREAM_TO_ZVAL(stream, res);
- ret = php_stream_write(stream, input, num_bytes);
- if (ret < 0) {
- RETURN_FALSE;
- }
- RETURN_LONG(ret);
- }
- /* }}} */
- /* {{{ Flushes output */
- PHPAPI PHP_FUNCTION(fflush)
- {
- zval *res;
- int ret;
- php_stream *stream;
- ZEND_PARSE_PARAMETERS_START(1, 1)
- Z_PARAM_RESOURCE(res)
- ZEND_PARSE_PARAMETERS_END();
- PHP_STREAM_TO_ZVAL(stream, res);
- ret = php_stream_flush(stream);
- if (ret) {
- RETURN_FALSE;
- }
- RETURN_TRUE;
- }
- /* }}} */
- /* {{{ Rewind the position of a file pointer */
- PHPAPI PHP_FUNCTION(rewind)
- {
- zval *res;
- php_stream *stream;
- ZEND_PARSE_PARAMETERS_START(1, 1)
- Z_PARAM_RESOURCE(res)
- ZEND_PARSE_PARAMETERS_END();
- PHP_STREAM_TO_ZVAL(stream, res);
- if (-1 == php_stream_rewind(stream)) {
- RETURN_FALSE;
- }
- RETURN_TRUE;
- }
- /* }}} */
- /* {{{ Get file pointer's read/write position */
- PHPAPI PHP_FUNCTION(ftell)
- {
- zval *res;
- zend_long ret;
- php_stream *stream;
- ZEND_PARSE_PARAMETERS_START(1, 1)
- Z_PARAM_RESOURCE(res)
- ZEND_PARSE_PARAMETERS_END();
- PHP_STREAM_TO_ZVAL(stream, res);
- ret = php_stream_tell(stream);
- if (ret == -1) {
- RETURN_FALSE;
- }
- RETURN_LONG(ret);
- }
- /* }}} */
- /* {{{ Seek on a file pointer */
- PHPAPI PHP_FUNCTION(fseek)
- {
- zval *res;
- zend_long offset, whence = SEEK_SET;
- php_stream *stream;
- ZEND_PARSE_PARAMETERS_START(2, 3)
- Z_PARAM_RESOURCE(res)
- Z_PARAM_LONG(offset)
- Z_PARAM_OPTIONAL
- Z_PARAM_LONG(whence)
- ZEND_PARSE_PARAMETERS_END();
- PHP_STREAM_TO_ZVAL(stream, res);
- RETURN_LONG(php_stream_seek(stream, offset, (int) whence));
- }
- /* }}} */
- /* {{{ php_mkdir */
- /* DEPRECATED APIs: Use php_stream_mkdir() instead */
- PHPAPI int php_mkdir_ex(const char *dir, zend_long mode, int options)
- {
- int ret;
- if (php_check_open_basedir(dir)) {
- return -1;
- }
- if ((ret = VCWD_MKDIR(dir, (mode_t)mode)) < 0 && (options & REPORT_ERRORS)) {
- php_error_docref(NULL, E_WARNING, "%s", strerror(errno));
- }
- return ret;
- }
- PHPAPI int php_mkdir(const char *dir, zend_long mode)
- {
- return php_mkdir_ex(dir, mode, REPORT_ERRORS);
- }
- /* }}} */
- /* {{{ Create a directory */
- PHP_FUNCTION(mkdir)
- {
- char *dir;
- size_t dir_len;
- zval *zcontext = NULL;
- zend_long mode = 0777;
- bool recursive = 0;
- php_stream_context *context;
- ZEND_PARSE_PARAMETERS_START(1, 4)
- Z_PARAM_PATH(dir, dir_len)
- Z_PARAM_OPTIONAL
- Z_PARAM_LONG(mode)
- Z_PARAM_BOOL(recursive)
- Z_PARAM_RESOURCE_OR_NULL(zcontext)
- ZEND_PARSE_PARAMETERS_END();
- context = php_stream_context_from_zval(zcontext, 0);
- RETURN_BOOL(php_stream_mkdir(dir, (int)mode, (recursive ? PHP_STREAM_MKDIR_RECURSIVE : 0) | REPORT_ERRORS, context));
- }
- /* }}} */
- /* {{{ Remove a directory */
- PHP_FUNCTION(rmdir)
- {
- char *dir;
- size_t dir_len;
- zval *zcontext = NULL;
- php_stream_context *context;
- ZEND_PARSE_PARAMETERS_START(1, 2)
- Z_PARAM_PATH(dir, dir_len)
- Z_PARAM_OPTIONAL
- Z_PARAM_RESOURCE_OR_NULL(zcontext)
- ZEND_PARSE_PARAMETERS_END();
- context = php_stream_context_from_zval(zcontext, 0);
- RETURN_BOOL(php_stream_rmdir(dir, REPORT_ERRORS, context));
- }
- /* }}} */
- /* {{{ Output a file or a URL */
- PHP_FUNCTION(readfile)
- {
- char *filename;
- size_t filename_len;
- size_t size = 0;
- bool use_include_path = 0;
- zval *zcontext = NULL;
- php_stream *stream;
- php_stream_context *context = NULL;
- ZEND_PARSE_PARAMETERS_START(1, 3)
- Z_PARAM_PATH(filename, filename_len)
- Z_PARAM_OPTIONAL
- Z_PARAM_BOOL(use_include_path)
- Z_PARAM_RESOURCE_OR_NULL(zcontext)
- ZEND_PARSE_PARAMETERS_END();
- context = php_stream_context_from_zval(zcontext, 0);
- stream = php_stream_open_wrapper_ex(filename, "rb", (use_include_path ? USE_PATH : 0) | REPORT_ERRORS, NULL, context);
- if (stream) {
- size = php_stream_passthru(stream);
- php_stream_close(stream);
- RETURN_LONG(size);
- }
- RETURN_FALSE;
- }
- /* }}} */
- /* {{{ Return or change the umask */
- PHP_FUNCTION(umask)
- {
- zend_long mask = 0;
- bool mask_is_null = 1;
- int oldumask;
- ZEND_PARSE_PARAMETERS_START(0, 1)
- Z_PARAM_OPTIONAL
- Z_PARAM_LONG_OR_NULL(mask, mask_is_null)
- ZEND_PARSE_PARAMETERS_END();
- oldumask = umask(077);
- if (BG(umask) == -1) {
- BG(umask) = oldumask;
- }
- if (mask_is_null) {
- umask(oldumask);
- } else {
- umask((int) mask);
- }
- RETURN_LONG(oldumask);
- }
- /* }}} */
- /* {{{ Output all remaining data from a file pointer */
- PHPAPI PHP_FUNCTION(fpassthru)
- {
- zval *res;
- size_t size;
- php_stream *stream;
- ZEND_PARSE_PARAMETERS_START(1, 1)
- Z_PARAM_RESOURCE(res)
- ZEND_PARSE_PARAMETERS_END();
- PHP_STREAM_TO_ZVAL(stream, res);
- size = php_stream_passthru(stream);
- RETURN_LONG(size);
- }
- /* }}} */
- /* {{{ Rename a file */
- PHP_FUNCTION(rename)
- {
- char *old_name, *new_name;
- size_t old_name_len, new_name_len;
- zval *zcontext = NULL;
- php_stream_wrapper *wrapper;
- php_stream_context *context;
- ZEND_PARSE_PARAMETERS_START(2, 3)
- Z_PARAM_PATH(old_name, old_name_len)
- Z_PARAM_PATH(new_name, new_name_len)
- Z_PARAM_OPTIONAL
- Z_PARAM_RESOURCE_OR_NULL(zcontext)
- ZEND_PARSE_PARAMETERS_END();
- wrapper = php_stream_locate_url_wrapper(old_name, NULL, 0);
- if (!wrapper || !wrapper->wops) {
- php_error_docref(NULL, E_WARNING, "Unable to locate stream wrapper");
- RETURN_FALSE;
- }
- if (!wrapper->wops->rename) {
- php_error_docref(NULL, E_WARNING, "%s wrapper does not support renaming", wrapper->wops->label ? wrapper->wops->label : "Source");
- RETURN_FALSE;
- }
- if (wrapper != php_stream_locate_url_wrapper(new_name, NULL, 0)) {
- php_error_docref(NULL, E_WARNING, "Cannot rename a file across wrapper types");
- RETURN_FALSE;
- }
- context = php_stream_context_from_zval(zcontext, 0);
- RETURN_BOOL(wrapper->wops->rename(wrapper, old_name, new_name, 0, context));
- }
- /* }}} */
- /* {{{ Delete a file */
- PHP_FUNCTION(unlink)
- {
- char *filename;
- size_t filename_len;
- php_stream_wrapper *wrapper;
- zval *zcontext = NULL;
- php_stream_context *context = NULL;
- ZEND_PARSE_PARAMETERS_START(1, 2)
- Z_PARAM_PATH(filename, filename_len)
- Z_PARAM_OPTIONAL
- Z_PARAM_RESOURCE_OR_NULL(zcontext)
- ZEND_PARSE_PARAMETERS_END();
- context = php_stream_context_from_zval(zcontext, 0);
- wrapper = php_stream_locate_url_wrapper(filename, NULL, 0);
- if (!wrapper || !wrapper->wops) {
- php_error_docref(NULL, E_WARNING, "Unable to locate stream wrapper");
- RETURN_FALSE;
- }
- if (!wrapper->wops->unlink) {
- php_error_docref(NULL, E_WARNING, "%s does not allow unlinking", wrapper->wops->label ? wrapper->wops->label : "Wrapper");
- RETURN_FALSE;
- }
- RETURN_BOOL(wrapper->wops->unlink(wrapper, filename, REPORT_ERRORS, context));
- }
- /* }}} */
- PHP_FUNCTION(fsync)
- {
- zval *res;
- php_stream *stream;
- ZEND_PARSE_PARAMETERS_START(1, 1)
- Z_PARAM_RESOURCE(res)
- ZEND_PARSE_PARAMETERS_END();
- PHP_STREAM_TO_ZVAL(stream, res);
- if (!php_stream_sync_supported(stream)) {
- php_error_docref(NULL, E_WARNING, "Can't fsync this stream!");
- RETURN_FALSE;
- }
- RETURN_BOOL(php_stream_sync(stream, /* data_only */ 0) == 0);
- }
- PHP_FUNCTION(fdatasync)
- {
- zval *res;
- php_stream *stream;
- ZEND_PARSE_PARAMETERS_START(1, 1)
- Z_PARAM_RESOURCE(res)
- ZEND_PARSE_PARAMETERS_END();
- PHP_STREAM_TO_ZVAL(stream, res);
- if (!php_stream_sync_supported(stream)) {
- php_error_docref(NULL, E_WARNING, "Can't fsync this stream!");
- RETURN_FALSE;
- }
- RETURN_BOOL(php_stream_sync(stream, /* data_only */ 1) == 0);
- }
- /* {{{ Truncate file to 'size' length */
- PHP_FUNCTION(ftruncate)
- {
- zval *fp;
- zend_long size;
- php_stream *stream;
- ZEND_PARSE_PARAMETERS_START(2, 2)
- Z_PARAM_RESOURCE(fp)
- Z_PARAM_LONG(size)
- ZEND_PARSE_PARAMETERS_END();
- if (size < 0) {
- zend_argument_value_error(2, "must be greater than or equal to 0");
- RETURN_THROWS();
- }
- PHP_STREAM_TO_ZVAL(stream, fp);
- if (!php_stream_truncate_supported(stream)) {
- php_error_docref(NULL, E_WARNING, "Can't truncate this stream!");
- RETURN_FALSE;
- }
- RETURN_BOOL(0 == php_stream_truncate_set_size(stream, size));
- }
- /* }}} */
- PHPAPI void php_fstat(php_stream *stream, zval *return_value)
- {
- php_stream_statbuf stat_ssb;
- zval stat_dev, stat_ino, stat_mode, stat_nlink, stat_uid, stat_gid, stat_rdev,
- stat_size, stat_atime, stat_mtime, stat_ctime, stat_blksize, stat_blocks;
- char *stat_sb_names[13] = {
- "dev", "ino", "mode", "nlink", "uid", "gid", "rdev",
- "size", "atime", "mtime", "ctime", "blksize", "blocks"
- };
- if (php_stream_stat(stream, &stat_ssb)) {
- RETURN_FALSE;
- }
- array_init(return_value);
- ZVAL_LONG(&stat_dev, stat_ssb.sb.st_dev);
- ZVAL_LONG(&stat_ino, stat_ssb.sb.st_ino);
- ZVAL_LONG(&stat_mode, stat_ssb.sb.st_mode);
- ZVAL_LONG(&stat_nlink, stat_ssb.sb.st_nlink);
- ZVAL_LONG(&stat_uid, stat_ssb.sb.st_uid);
- ZVAL_LONG(&stat_gid, stat_ssb.sb.st_gid);
- #ifdef HAVE_STRUCT_STAT_ST_RDEV
- ZVAL_LONG(&stat_rdev, stat_ssb.sb.st_rdev);
- #else
- ZVAL_LONG(&stat_rdev, -1);
- #endif
- ZVAL_LONG(&stat_size, stat_ssb.sb.st_size);
- ZVAL_LONG(&stat_atime, stat_ssb.sb.st_atime);
- ZVAL_LONG(&stat_mtime, stat_ssb.sb.st_mtime);
- ZVAL_LONG(&stat_ctime, stat_ssb.sb.st_ctime);
- #ifdef HAVE_STRUCT_STAT_ST_BLKSIZE
- ZVAL_LONG(&stat_blksize, stat_ssb.sb.st_blksize);
- #else
- ZVAL_LONG(&stat_blksize,-1);
- #endif
- #ifdef HAVE_STRUCT_STAT_ST_BLOCKS
- ZVAL_LONG(&stat_blocks, stat_ssb.sb.st_blocks);
- #else
- ZVAL_LONG(&stat_blocks,-1);
- #endif
- /* Store numeric indexes in proper order */
- zend_hash_next_index_insert(Z_ARRVAL_P(return_value), &stat_dev);
- zend_hash_next_index_insert(Z_ARRVAL_P(return_value), &stat_ino);
- zend_hash_next_index_insert(Z_ARRVAL_P(return_value), &stat_mode);
- zend_hash_next_index_insert(Z_ARRVAL_P(return_value), &stat_nlink);
- zend_hash_next_index_insert(Z_ARRVAL_P(return_value), &stat_uid);
- zend_hash_next_index_insert(Z_ARRVAL_P(return_value), &stat_gid);
- zend_hash_next_index_insert(Z_ARRVAL_P(return_value), &stat_rdev);
- zend_hash_next_index_insert(Z_ARRVAL_P(return_value), &stat_size);
- zend_hash_next_index_insert(Z_ARRVAL_P(return_value), &stat_atime);
- zend_hash_next_index_insert(Z_ARRVAL_P(return_value), &stat_mtime);
- zend_hash_next_index_insert(Z_ARRVAL_P(return_value), &stat_ctime);
- zend_hash_next_index_insert(Z_ARRVAL_P(return_value), &stat_blksize);
- zend_hash_next_index_insert(Z_ARRVAL_P(return_value), &stat_blocks);
- /* Store string indexes referencing the same zval*/
- zend_hash_str_add_new(Z_ARRVAL_P(return_value), stat_sb_names[0], strlen(stat_sb_names[0]), &stat_dev);
- zend_hash_str_add_new(Z_ARRVAL_P(return_value), stat_sb_names[1], strlen(stat_sb_names[1]), &stat_ino);
- zend_hash_str_add_new(Z_ARRVAL_P(return_value), stat_sb_names[2], strlen(stat_sb_names[2]), &stat_mode);
- zend_hash_str_add_new(Z_ARRVAL_P(return_value), stat_sb_names[3], strlen(stat_sb_names[3]), &stat_nlink);
- zend_hash_str_add_new(Z_ARRVAL_P(return_value), stat_sb_names[4], strlen(stat_sb_names[4]), &stat_uid);
- zend_hash_str_add_new(Z_ARRVAL_P(return_value), stat_sb_names[5], strlen(stat_sb_names[5]), &stat_gid);
- zend_hash_str_add_new(Z_ARRVAL_P(return_value), stat_sb_names[6], strlen(stat_sb_names[6]), &stat_rdev);
- zend_hash_str_add_new(Z_ARRVAL_P(return_value), stat_sb_names[7], strlen(stat_sb_names[7]), &stat_size);
- zend_hash_str_add_new(Z_ARRVAL_P(return_value), stat_sb_names[8], strlen(stat_sb_names[8]), &stat_atime);
- zend_hash_str_add_new(Z_ARRVAL_P(return_value), stat_sb_names[9], strlen(stat_sb_names[9]), &stat_mtime);
- zend_hash_str_add_new(Z_ARRVAL_P(return_value), stat_sb_names[10], strlen(stat_sb_names[10]), &stat_ctime);
- zend_hash_str_add_new(Z_ARRVAL_P(return_value), stat_sb_names[11], strlen(stat_sb_names[11]), &stat_blksize);
- zend_hash_str_add_new(Z_ARRVAL_P(return_value), stat_sb_names[12], strlen(stat_sb_names[12]), &stat_blocks);
- }
- /* {{{ Stat() on a filehandle */
- PHP_FUNCTION(fstat)
- {
- zval *fp;
- php_stream *stream;
- ZEND_PARSE_PARAMETERS_START(1, 1)
- Z_PARAM_RESOURCE(fp)
- ZEND_PARSE_PARAMETERS_END();
- PHP_STREAM_TO_ZVAL(stream, fp);
- php_fstat(stream, return_value);
- }
- /* }}} */
- /* {{{ Copy a file */
- PHP_FUNCTION(copy)
- {
- char *source, *target;
- size_t source_len, target_len;
- zval *zcontext = NULL;
- php_stream_context *context;
- ZEND_PARSE_PARAMETERS_START(2, 3)
- Z_PARAM_PATH(source, source_len)
- Z_PARAM_PATH(target, target_len)
- Z_PARAM_OPTIONAL
- Z_PARAM_RESOURCE_OR_NULL(zcontext)
- ZEND_PARSE_PARAMETERS_END();
- if (php_stream_locate_url_wrapper(source, NULL, 0) == &php_plain_files_wrapper && php_check_open_basedir(source)) {
- RETURN_FALSE;
- }
- context = php_stream_context_from_zval(zcontext, 0);
- if (php_copy_file_ctx(source, target, 0, context) == SUCCESS) {
- RETURN_TRUE;
- } else {
- RETURN_FALSE;
- }
- }
- /* }}} */
- /* {{{ php_copy_file */
- PHPAPI int php_copy_file(const char *src, const char *dest)
- {
- return php_copy_file_ctx(src, dest, 0, NULL);
- }
- /* }}} */
- /* {{{ php_copy_file_ex */
- PHPAPI int php_copy_file_ex(const char *src, const char *dest, int src_flg)
- {
- return php_copy_file_ctx(src, dest, src_flg, NULL);
- }
- /* }}} */
- /* {{{ php_copy_file_ctx */
- PHPAPI int php_copy_file_ctx(const char *src, const char *dest, int src_flg, php_stream_context *ctx)
- {
- php_stream *srcstream = NULL, *deststream = NULL;
- int ret = FAILURE;
- php_stream_statbuf src_s, dest_s;
- switch (php_stream_stat_path_ex(src, 0, &src_s, ctx)) {
- case -1:
- /* non-statable stream */
- goto safe_to_copy;
- break;
- case 0:
- break;
- default: /* failed to stat file, does not exist? */
- return ret;
- }
- if (S_ISDIR(src_s.sb.st_mode)) {
- php_error_docref(NULL, E_WARNING, "The first argument to copy() function cannot be a directory");
- return FAILURE;
- }
- switch (php_stream_stat_path_ex(dest, PHP_STREAM_URL_STAT_QUIET, &dest_s, ctx)) {
- case -1:
- /* non-statable stream */
- goto safe_to_copy;
- break;
- case 0:
- break;
- default: /* failed to stat file, does not exist? */
- return ret;
- }
- if (S_ISDIR(dest_s.sb.st_mode)) {
- php_error_docref(NULL, E_WARNING, "The second argument to copy() function cannot be a directory");
- return FAILURE;
- }
- if (!src_s.sb.st_ino || !dest_s.sb.st_ino) {
- goto no_stat;
- }
- if (src_s.sb.st_ino == dest_s.sb.st_ino && src_s.sb.st_dev == dest_s.sb.st_dev) {
- return ret;
- } else {
- goto safe_to_copy;
- }
- no_stat:
- {
- char *sp, *dp;
- int res;
- if ((sp = expand_filepath(src, NULL)) == NULL) {
- return ret;
- }
- if ((dp = expand_filepath(dest, NULL)) == NULL) {
- efree(sp);
- goto safe_to_copy;
- }
- res =
- #ifndef PHP_WIN32
- !strcmp(sp, dp);
- #else
- !strcasecmp(sp, dp);
- #endif
- efree(sp);
- efree(dp);
- if (res) {
- return ret;
- }
- }
- safe_to_copy:
- srcstream = php_stream_open_wrapper_ex(src, "rb", src_flg | REPORT_ERRORS, NULL, ctx);
- if (!srcstream) {
- return ret;
- }
- deststream = php_stream_open_wrapper_ex(dest, "wb", REPORT_ERRORS, NULL, ctx);
- if (srcstream && deststream) {
- ret = php_stream_copy_to_stream_ex(srcstream, deststream, PHP_STREAM_COPY_ALL, NULL);
- }
- if (srcstream) {
- php_stream_close(srcstream);
- }
- if (deststream) {
- php_stream_close(deststream);
- }
- return ret;
- }
- /* }}} */
- /* {{{ Binary-safe file read */
- PHPAPI PHP_FUNCTION(fread)
- {
- zval *res;
- zend_long len;
- php_stream *stream;
- zend_string *str;
- ZEND_PARSE_PARAMETERS_START(2, 2)
- Z_PARAM_RESOURCE(res)
- Z_PARAM_LONG(len)
- ZEND_PARSE_PARAMETERS_END();
- PHP_STREAM_TO_ZVAL(stream, res);
- if (len <= 0) {
- zend_argument_value_error(2, "must be greater than 0");
- RETURN_THROWS();
- }
- str = php_stream_read_to_str(stream, len);
- if (!str) {
- zval_ptr_dtor_str(return_value);
- RETURN_FALSE;
- }
- RETURN_STR(str);
- }
- /* }}} */
- static const char *php_fgetcsv_lookup_trailing_spaces(const char *ptr, size_t len) /* {{{ */
- {
- int inc_len;
- unsigned char last_chars[2] = …
Large files files are truncated, but you can click here to view the full file