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6ed242dfc8
php-src/ext/standard/file.c
Xinchen Hui c718fd16a1 Avoid overflow
2017-11-13 11:18:56 +08:00

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/*
+----------------------------------------------------------------------+
| PHP Version 7 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2017 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: Rasmus Lerdorf <rasmus@php.net> |
| Stig Bakken <ssb@php.net> |
| Andi Gutmans <andi@zend.com> |
| Zeev Suraski <zeev@zend.com> |
| PHP 4.0 patches by Thies C. Arntzen (thies@thieso.net) |
| PHP streams by Wez Furlong (wez@thebrainroom.com) |
+----------------------------------------------------------------------+
*/
/* $Id$ */
/* Synced with php 3.0 revision 1.218 1999-06-16 [ssb] */
/* {{{ 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 <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"
#else
# if HAVE_SYS_PARAM_H
# include <sys/param.h>
# endif
# if HAVE_SYS_SELECT_H
# include <sys/select.h>
# endif
# if defined(NETWARE) && defined(USE_WINSOCK)
# include <novsock2.h>
# else
# include <sys/socket.h>
# include <netinet/in.h>
# include <netdb.h>
# endif
# 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
#ifdef HAVE_WCHAR_H
# include <wchar.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
}
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_ENTRY("auto_detect_line_endings", "0", PHP_INI_ALL, OnUpdateLong, 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_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_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);
REGISTER_LONG_CONSTANT("FILE_BINARY", 0, CONST_CS | CONST_PERSISTENT);
#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;
}
/* }}} */
static int flock_values[] = { LOCK_SH, LOCK_EX, LOCK_UN };
/* {{{ proto bool flock(resource fp, int operation [, int &wouldblock])
Portable file locking */
PHP_FUNCTION(flock)
{
zval *res, *wouldblock = NULL;
int act;
php_stream *stream;
zend_long operation = 0;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "rl|z/", &res, &operation, &wouldblock) == FAILURE) {
return;
}
PHP_STREAM_TO_ZVAL(stream, res);
act = operation & 3;
if (act < 1 || act > 3) {
php_error_docref(NULL, E_WARNING, "Illegal operation argument");
RETURN_FALSE;
}
if (wouldblock) {
zval_dtor(wouldblock);
ZVAL_LONG(wouldblock, 0);
}
/* flock_values contains all possible actions if (operation & 4) 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) {
ZVAL_LONG(wouldblock, 1);
}
RETURN_FALSE;
}
RETURN_TRUE;
}
/* }}} */
#define PHP_META_UNSAFE ".\\+*?[^]$() "
/* {{{ proto array get_meta_tags(string filename [, bool use_include_path])
Extracts all meta tag content attributes from a file and returns an array */
PHP_FUNCTION(get_meta_tags)
{
char *filename;
size_t filename_len;
zend_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;
/* Initiailize our structure */
memset(&md, 0, sizeof(md));
/* Parse arguments */
if (zend_parse_parameters(ZEND_NUM_ARGS(), "p|b", &filename, &filename_len, &use_include_path) == FAILURE) {
return;
}
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 */
php_strtolower(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);
}
/* }}} */
/* {{{ proto string file_get_contents(string filename [, bool use_include_path [, resource context [, long offset [, long maxlen]]]])
Read the entire file into a string */
PHP_FUNCTION(file_get_contents)
{
char *filename;
size_t filename_len;
zend_bool use_include_path = 0;
php_stream *stream;
zend_long offset = 0;
zend_long maxlen = (ssize_t) PHP_STREAM_COPY_ALL;
zval *zcontext = NULL;
php_stream_context *context = NULL;
zend_string *contents;
/* Parse arguments */
if (zend_parse_parameters(ZEND_NUM_ARGS(), "p|br!ll", &filename, &filename_len, &use_include_path, &zcontext, &offset, &maxlen) == FAILURE) {
return;
}
if (ZEND_NUM_ARGS() == 5 && maxlen < 0) {
php_error_docref(NULL, E_WARNING, "length must be greater than or equal to zero");
RETURN_FALSE;
}
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 (maxlen > INT_MAX) {
php_error_docref(NULL, E_WARNING, "maxlen truncated from " ZEND_LONG_FMT " to %d bytes", maxlen, INT_MAX);
maxlen = INT_MAX;
}
if ((contents = php_stream_copy_to_mem(stream, maxlen, 0)) != NULL) {
RETVAL_STR(contents);
} else {
RETVAL_EMPTY_STRING();
}
php_stream_close(stream);
}
/* }}} */
/* {{{ proto int file_put_contents(string file, mixed data [, int flags [, resource context]])
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;
size_t numbytes = 0;
zend_long flags = 0;
zval *zcontext = NULL;
php_stream_context *context = NULL;
php_stream *srcstream = NULL;
char mode[3] = "wb";
if (zend_parse_parameters(ZEND_NUM_ARGS(), "pz/|lr!", &filename, &filename_len, &data, &flags, &zcontext) == FAILURE) {
return;
}
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_ex(data);
case IS_STRING:
if (Z_STRLEN_P(data)) {
numbytes = php_stream_write(stream, Z_STRVAL_P(data), Z_STRLEN_P(data));
if (numbytes != Z_STRLEN_P(data)) {
php_error_docref(NULL, E_WARNING, "Only "ZEND_LONG_FMT" 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))) {
size_t bytes_written;
zval *tmp;
ZEND_HASH_FOREACH_VAL(Z_ARRVAL_P(data), tmp) {
zend_string *str = zval_get_string(tmp);
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_string_release(str);
numbytes = -1;
break;
}
}
zend_string_release(str);
} ZEND_HASH_FOREACH_END();
}
break;
case IS_OBJECT:
if (Z_OBJ_HT_P(data) != NULL) {
zval out;
if (zend_std_cast_object_tostring(data, &out, IS_STRING) == SUCCESS) {
numbytes = php_stream_write(stream, Z_STRVAL(out), Z_STRLEN(out));
if (numbytes != Z_STRLEN(out)) {
php_error_docref(NULL, E_WARNING, "Only "ZEND_LONG_FMT" of %zd bytes written, possibly out of free disk space", numbytes, Z_STRLEN(out));
numbytes = -1;
}
zval_dtor(&out);
break;
}
}
default:
numbytes = -1;
break;
}
php_stream_close(stream);
if (numbytes == (size_t)-1) {
RETURN_FALSE;
}
RETURN_LONG(numbytes);
}
/* }}} */
#define PHP_FILE_BUF_SIZE 80
/* {{{ proto array file(string filename [, int flags[, resource context]])
Read entire file into an array */
PHP_FUNCTION(file)
{
char *filename;
size_t filename_len;
char *p, *s, *e;
register int i = 0;
char eol_marker = '\n';
zend_long flags = 0;
zend_bool use_include_path;
zend_bool include_new_line;
zend_bool skip_blank_lines;
php_stream *stream;
zval *zcontext = NULL;
php_stream_context *context = NULL;
zend_string *target_buf;
/* Parse arguments */
if (zend_parse_parameters(ZEND_NUM_ARGS(), "p|lr!", &filename, &filename_len, &flags, &zcontext) == FAILURE) {
return;
}
if (flags < 0 || flags > (PHP_FILE_USE_INCLUDE_PATH | PHP_FILE_IGNORE_NEW_LINES | PHP_FILE_SKIP_EMPTY_LINES | PHP_FILE_NO_DEFAULT_CONTEXT)) {
php_error_docref(NULL, E_WARNING, "'" ZEND_LONG_FMT "' flag is not supported", flags);
RETURN_FALSE;
}
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);
}
/* }}} */
/* {{{ proto string tempnam(string dir, string prefix)
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;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "pp", &dir, &dir_len, &prefix, &prefix_len) == FAILURE) {
return;
}
if (php_check_open_basedir(dir)) {
RETURN_FALSE;
}
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, 1)) >= 0) {
close(fd);
RETVAL_STR(opened_path);
}
zend_string_release(p);
}
/* }}} */
/* {{{ proto resource tmpfile(void)
Create a temporary file that will be deleted automatically after use */
PHP_NAMED_FUNCTION(php_if_tmpfile)
{
php_stream *stream;
if (zend_parse_parameters_none() == FAILURE) {
return;
}
stream = php_stream_fopen_tmpfile();
if (stream) {
php_stream_to_zval(stream, return_value);
} else {
RETURN_FALSE;
}
}
/* }}} */
/* {{{ proto resource fopen(string filename, string mode [, bool use_include_path [, resource context]])
Open a file or a URL and return a file pointer */
PHP_NAMED_FUNCTION(php_if_fopen)
{
char *filename, *mode;
size_t filename_len, mode_len;
zend_bool use_include_path = 0;
zval *zcontext = NULL;
php_stream *stream;
php_stream_context *context = NULL;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "ps|br", &filename, &filename_len, &mode, &mode_len, &use_include_path, &zcontext) == FAILURE) {
RETURN_FALSE;
}
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);
}
/* }}} */
/* {{{ proto bool fclose(resource fp)
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_EX(RETURN_FALSE);
PHP_STREAM_TO_ZVAL(stream, res);
if ((stream->flags & PHP_STREAM_FLAG_NO_FCLOSE) != 0) {
php_error_docref(NULL, E_WARNING, "%d 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;
}
/* }}} */
/* {{{ proto resource popen(string command, string mode)
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;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "ps", &command, &command_len, &mode, &mode_len) == FAILURE) {
return;
}
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));
}
}
#endif
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);
}
/* }}} */
/* {{{ proto int pclose(resource fp)
Close a file pointer opened by popen() */
PHP_FUNCTION(pclose)
{
zval *res;
php_stream *stream;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &res) == FAILURE) {
RETURN_FALSE;
}
PHP_STREAM_TO_ZVAL(stream, res);
FG(pclose_wait) = 1;
zend_list_close(stream->res);
FG(pclose_wait) = 0;
RETURN_LONG(FG(pclose_ret));
}
/* }}} */
/* {{{ proto bool feof(resource fp)
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_EX(RETURN_FALSE);
PHP_STREAM_TO_ZVAL(stream, res);
if (php_stream_eof(stream)) {
RETURN_TRUE;
} else {
RETURN_FALSE;
}
}
/* }}} */
/* {{{ proto string fgets(resource fp[, int length])
Get a line from file pointer */
PHPAPI PHP_FUNCTION(fgets)
{
zval *res;
zend_long len = 1024;
char *buf = NULL;
int argc = ZEND_NUM_ARGS();
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(len)
ZEND_PARSE_PARAMETERS_END_EX(RETURN_FALSE);
PHP_STREAM_TO_ZVAL(stream, res);
if (argc == 1) {
/* 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 (argc > 1) {
if (len <= 0) {
php_error_docref(NULL, E_WARNING, "Length parameter must be greater than 0");
RETURN_FALSE;
}
str = zend_string_alloc(len, 0);
if (php_stream_get_line(stream, ZSTR_VAL(str), len, &line_len) == NULL) {
zend_string_free(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);
}
}
/* }}} */
/* {{{ proto string fgetc(resource fp)
Get a character from file pointer */
PHPAPI PHP_FUNCTION(fgetc)
{
zval *res;
char buf[2];
int result;
php_stream *stream;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &res) == FAILURE) {
RETURN_FALSE;
}
PHP_STREAM_TO_ZVAL(stream, res);
result = php_stream_getc(stream);
if (result == EOF) {
RETVAL_FALSE;
} else {
buf[0] = result;
buf[1] = '\0';
RETURN_STRINGL(buf, 1);
}
}
/* }}} */
/* {{{ proto string fgetss(resource fp [, int length [, string allowable_tags]])
Get a line from file pointer and strip HTML tags */
PHPAPI PHP_FUNCTION(fgetss)
{
zval *fd;
zend_long bytes = 0;
size_t len = 0;
size_t actual_len, retval_len;
char *buf = NULL, *retval;
php_stream *stream;
char *allowed_tags=NULL;
size_t allowed_tags_len=0;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "r|ls", &fd, &bytes, &allowed_tags, &allowed_tags_len) == FAILURE) {
RETURN_FALSE;
}
PHP_STREAM_TO_ZVAL(stream, fd);
if (ZEND_NUM_ARGS() >= 2) {
if (bytes <= 0) {
php_error_docref(NULL, E_WARNING, "Length parameter must be greater than 0");
RETURN_FALSE;
}
len = (size_t) bytes;
buf = safe_emalloc(sizeof(char), (len + 1), 0);
/*needed because recv doesnt set null char at end*/
memset(buf, 0, len + 1);
}
if ((retval = php_stream_get_line(stream, buf, len, &actual_len)) == NULL) {
if (buf != NULL) {
efree(buf);
}
RETURN_FALSE;
}
retval_len = php_strip_tags(retval, actual_len, &stream->fgetss_state, allowed_tags, allowed_tags_len);
// TODO: avoid reallocation ???
RETVAL_STRINGL(retval, retval_len);
efree(retval);
}
/* }}} */
/* {{{ proto mixed fscanf(resource stream, string format [, string ...])
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;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "rs*", &file_handle, &format, &format_len, &args, &argc) == FAILURE) {
return;
}
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_FALSE;
}
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;
}
}
/* }}} */
/* {{{ proto int fwrite(resource fp, string str [, int length])
Binary-safe file write */
PHPAPI PHP_FUNCTION(fwrite)
{
zval *res;
char *input;
size_t inputlen;
size_t ret;
size_t num_bytes;
zend_long maxlen = 0;
php_stream *stream;
ZEND_PARSE_PARAMETERS_START(2, 3)
Z_PARAM_RESOURCE(res)
Z_PARAM_STRING(input, inputlen)
Z_PARAM_OPTIONAL
Z_PARAM_LONG(maxlen)
ZEND_PARSE_PARAMETERS_END_EX(RETURN_FALSE);
if (ZEND_NUM_ARGS() == 2) {
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);
RETURN_LONG(ret);
}
/* }}} */
/* {{{ proto bool fflush(resource fp)
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_EX(RETURN_FALSE);
PHP_STREAM_TO_ZVAL(stream, res);
ret = php_stream_flush(stream);
if (ret) {
RETURN_FALSE;
}
RETURN_TRUE;
}
/* }}} */
/* {{{ proto bool rewind(resource fp)
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_EX(RETURN_FALSE);
PHP_STREAM_TO_ZVAL(stream, res);
if (-1 == php_stream_rewind(stream)) {
RETURN_FALSE;
}
RETURN_TRUE;
}
/* }}} */
/* {{{ proto int ftell(resource fp)
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_EX(RETURN_FALSE);
PHP_STREAM_TO_ZVAL(stream, res);
ret = php_stream_tell(stream);
if (ret == -1) {
RETURN_FALSE;
}
RETURN_LONG(ret);
}
/* }}} */
/* {{{ proto int fseek(resource fp, int offset [, int whence])
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_EX(RETURN_FALSE);
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);
}
/* }}} */
/* {{{ proto bool mkdir(string pathname [, int mode [, bool recursive [, resource context]]])
Create a directory */
PHP_FUNCTION(mkdir)
{
char *dir;
size_t dir_len;
zval *zcontext = NULL;
zend_long mode = 0777;
zend_bool recursive = 0;
php_stream_context *context;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "p|lbr", &dir, &dir_len, &mode, &recursive, &zcontext) == FAILURE) {
RETURN_FALSE;
}
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));
}
/* }}} */
/* {{{ proto bool rmdir(string dirname[, resource context])
Remove a directory */
PHP_FUNCTION(rmdir)
{
char *dir;
size_t dir_len;
zval *zcontext = NULL;
php_stream_context *context;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "p|r", &dir, &dir_len, &zcontext) == FAILURE) {
RETURN_FALSE;
}
context = php_stream_context_from_zval(zcontext, 0);
RETURN_BOOL(php_stream_rmdir(dir, REPORT_ERRORS, context));
}
/* }}} */
/* {{{ proto int readfile(string filename [, bool use_include_path[, resource context]])
Output a file or a URL */
PHP_FUNCTION(readfile)
{
char *filename;
size_t filename_len;
size_t size = 0;
zend_bool use_include_path = 0;
zval *zcontext = NULL;
php_stream *stream;
php_stream_context *context = NULL;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "p|br!", &filename, &filename_len, &use_include_path, &zcontext) == FAILURE) {
RETURN_FALSE;
}
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;
}
/* }}} */
/* {{{ proto int umask([int mask])
Return or change the umask */
PHP_FUNCTION(umask)
{
zend_long mask = 0;
int oldumask;
oldumask = umask(077);
if (BG(umask) == -1) {
BG(umask) = oldumask;
}
if (zend_parse_parameters(ZEND_NUM_ARGS(), "|l", &mask) == FAILURE) {
RETURN_FALSE;
}
if (ZEND_NUM_ARGS() == 0) {
umask(oldumask);
} else {
umask((int) mask);
}
RETURN_LONG(oldumask);
}
/* }}} */
/* {{{ proto int fpassthru(resource fp)
Output all remaining data from a file pointer */
PHPAPI PHP_FUNCTION(fpassthru)
{
zval *res;
size_t size;
php_stream *stream;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &res) == FAILURE) {
RETURN_FALSE;
}
PHP_STREAM_TO_ZVAL(stream, res);
size = php_stream_passthru(stream);
RETURN_LONG(size);
}
/* }}} */
/* {{{ proto bool rename(string old_name, string new_name[, resource context])
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;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "pp|r", &old_name, &old_name_len, &new_name, &new_name_len, &zcontext) == FAILURE) {
RETURN_FALSE;
}
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));
}
/* }}} */
/* {{{ proto bool unlink(string filename[, context 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;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "p|r", &filename, &filename_len, &zcontext) == FAILURE) {
RETURN_FALSE;
}
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));
}
/* }}} */
/* {{{ proto bool ftruncate(resource fp, int size)
Truncate file to 'size' length */
PHP_NAMED_FUNCTION(php_if_ftruncate)
{
zval *fp;
zend_long size;
php_stream *stream;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "rl", &fp, &size) == FAILURE) {
RETURN_FALSE;
}
if (size < 0) {
php_error_docref(NULL, E_WARNING, "Negative size is not supported");
RETURN_FALSE;
}
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));
}
/* }}} */
/* {{{ proto array fstat(resource fp)
Stat() on a filehandle */
PHP_NAMED_FUNCTION(php_if_fstat)
{
zval *fp;
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;
php_stream *stream;
php_stream_statbuf stat_ssb;
char *stat_sb_names[13] = {
"dev", "ino", "mode", "nlink", "uid", "gid", "rdev",
"size", "atime", "mtime", "ctime", "blksize", "blocks"
};
if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &fp) == FAILURE) {
RETURN_FALSE;
}
PHP_STREAM_TO_ZVAL(stream, fp);
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_ST_RDEV
# ifdef PHP_WIN32
/* It is unsigned, so if a negative came from userspace, it'll
convert to UINT_MAX, but we wan't to keep the userspace value.
Almost the same as in php_fstat. This is ugly, but otherwise
we would have to maintain a fully compatible struct stat. */
if ((int)stat_ssb.sb.st_rdev < 0) {
ZVAL_LONG(&stat_rdev, (int)stat_ssb.sb.st_rdev);
} else {
ZVAL_LONG(&stat_rdev, stat_ssb.sb.st_rdev);
}
# else
ZVAL_LONG(&stat_rdev, stat_ssb.sb.st_rdev);
# endif
#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_ST_BLKSIZE
ZVAL_LONG(&stat_blksize, stat_ssb.sb.st_blksize);
#else
ZVAL_LONG(&stat_blksize,-1);
#endif
#ifdef HAVE_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_update(Z_ARRVAL_P(return_value), stat_sb_names[0], strlen(stat_sb_names[0]), &stat_dev);
zend_hash_str_update(Z_ARRVAL_P(return_value), stat_sb_names[1], strlen(stat_sb_names[1]), &stat_ino);
zend_hash_str_update(Z_ARRVAL_P(return_value), stat_sb_names[2], strlen(stat_sb_names[2]), &stat_mode);
zend_hash_str_update(Z_ARRVAL_P(return_value), stat_sb_names[3], strlen(stat_sb_names[3]), &stat_nlink);
zend_hash_str_update(Z_ARRVAL_P(return_value), stat_sb_names[4], strlen(stat_sb_names[4]), &stat_uid);
zend_hash_str_update(Z_ARRVAL_P(return_value), stat_sb_names[5], strlen(stat_sb_names[5]), &stat_gid);
zend_hash_str_update(Z_ARRVAL_P(return_value), stat_sb_names[6], strlen(stat_sb_names[6]), &stat_rdev);
zend_hash_str_update(Z_ARRVAL_P(return_value), stat_sb_names[7], strlen(stat_sb_names[7]), &stat_size);
zend_hash_str_update(Z_ARRVAL_P(return_value), stat_sb_names[8], strlen(stat_sb_names[8]), &stat_atime);
zend_hash_str_update(Z_ARRVAL_P(return_value), stat_sb_names[9], strlen(stat_sb_names[9]), &stat_mtime);
zend_hash_str_update(Z_ARRVAL_P(return_value), stat_sb_names[10], strlen(stat_sb_names[10]), &stat_ctime);
zend_hash_str_update(Z_ARRVAL_P(return_value), stat_sb_names[11], strlen(stat_sb_names[11]), &stat_blksize);
zend_hash_str_update(Z_ARRVAL_P(return_value), stat_sb_names[12], strlen(stat_sb_names[12]), &stat_blocks);
}
/* }}} */
/* {{{ proto bool copy(string source_file, string destination_file [, resource context])
Copy a file */
PHP_FUNCTION(copy)
{
char *source, *target;
size_t source_len, target_len;
zval *zcontext = NULL;
php_stream_context *context;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "pp|r", &source, &source_len, &target, &target_len, &zcontext) == FAILURE) {
return;
}
if (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 | PHP_STREAM_URL_STAT_NOCACHE, &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;
}
/* }}} */
/* {{{ proto string fread(resource fp, int length)
Binary-safe file read */
PHPAPI PHP_FUNCTION(fread)
{
zval *res;
zend_long len;
php_stream *stream;
ZEND_PARSE_PARAMETERS_START(2, 2)
Z_PARAM_RESOURCE(res)
Z_PARAM_LONG(len)
ZEND_PARSE_PARAMETERS_END_EX(RETURN_FALSE);
PHP_STREAM_TO_ZVAL(stream, res);
if (len <= 0) {
php_error_docref(NULL, E_WARNING, "Length parameter must be greater than 0");
RETURN_FALSE;
}
ZVAL_NEW_STR(return_value, zend_string_alloc(len, 0));
Z_STRLEN_P(return_value) = php_stream_read(stream, Z_STRVAL_P(return_value), len);
/* needed because recv/read/gzread doesnt put a null at the end*/
Z_STRVAL_P(return_value)[Z_STRLEN_P(return_value)] = 0;
if (Z_STRLEN_P(return_value) < len / 2) {
Z_STR_P(return_value) = zend_string_truncate(Z_STR_P(return_value), Z_STRLEN_P(return_value), 0);
}
}
/* }}} */
static const char *php_fgetcsv_lookup_trailing_spaces(const char *ptr, size_t len, const char delimiter) /* {{{ */
{
int inc_len;
unsigned char last_chars[2] = { 0, 0 };
while (len > 0) {
inc_len = (*ptr == '\0' ? 1 : php_mblen(ptr, len));
switch (inc_len) {
case -2:
case -1:
inc_len = 1;
php_mb_reset();
break;
case 0:
goto quit_loop;
case 1:
default:
last_chars[0] = last_chars[1];
last_chars[1] = *ptr;
break;
}
ptr += inc_len;
len -= inc_len;
}
quit_loop:
switch (last_chars[1]) {
case '\n':
if (last_chars[0] == '\r') {
return ptr - 2;
}
/* break is omitted intentionally */
case '\r':
return ptr - 1;
}
return ptr;
}
/* }}} */
#define FPUTCSV_FLD_CHK(c) memchr(ZSTR_VAL(field_str), c, ZSTR_LEN(field_str))
/* {{{ proto int fputcsv(resource fp, array fields [, string delimiter [, string enclosure [, string escape_char]]])
Format line as CSV and write to file pointer */
PHP_FUNCTION(fputcsv)
{
char delimiter = ','; /* allow this to be set as parameter */
char enclosure = '"'; /* allow this to be set as parameter */
char escape_char = '\\'; /* allow this to be set as parameter */
php_stream *stream;
zval *fp = NULL, *fields = NULL;
size_t ret;
char *delimiter_str = NULL, *enclosure_str = NULL, *escape_str = NULL;
size_t delimiter_str_len = 0, enclosure_str_len = 0, escape_str_len = 0;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "ra|sss",
&fp, &fields, &delimiter_str, &delimiter_str_len,
&enclosure_str, &enclosure_str_len,
&escape_str, &escape_str_len) == FAILURE) {
return;
}
if (delimiter_str != NULL) {
/* Make sure that there is at least one character in string */
if (delimiter_str_len < 1) {
php_error_docref(NULL, E_WARNING, "delimiter must be a character");
RETURN_FALSE;
} else if (delimiter_str_len > 1) {
php_error_docref(NULL, E_NOTICE, "delimiter must be a single character");
}
/* use first character from string */
delimiter = *delimiter_str;
}
if (enclosure_str != NULL) {
if (enclosure_str_len < 1) {
php_error_docref(NULL, E_WARNING, "enclosure must be a character");
RETURN_FALSE;
} else if (enclosure_str_len > 1) {
php_error_docref(NULL, E_NOTICE, "enclosure must be a single character");
}
/* use first character from string */
enclosure = *enclosure_str;
}
if (escape_str != NULL) {
if (escape_str_len < 1) {
php_error_docref(NULL, E_WARNING, "escape must be a character");
RETURN_FALSE;
} else if (escape_str_len > 1) {
php_error_docref(NULL, E_NOTICE, "escape must be a single character");
}
/* use first character from string */
escape_char = *escape_str;
}
PHP_STREAM_TO_ZVAL(stream, fp);
ret = php_fputcsv(stream, fields, delimiter, enclosure, escape_char);
RETURN_LONG(ret);
}
/* }}} */
/* {{{ PHPAPI size_t php_fputcsv(php_stream *stream, zval *fields, char delimiter, char enclosure, char escape_char) */
PHPAPI size_t php_fputcsv(php_stream *stream, zval *fields, char delimiter, char enclosure, char escape_char)
{
int count, i = 0;
size_t ret;
zval *field_tmp;
smart_str csvline = {0};
count = zend_hash_num_elements(Z_ARRVAL_P(fields));
ZEND_HASH_FOREACH_VAL(Z_ARRVAL_P(fields), field_tmp) {
zend_string *field_str = zval_get_string(field_tmp);
/* enclose a field that contains a delimiter, an enclosure character, or a newline */
if (FPUTCSV_FLD_CHK(delimiter) ||
FPUTCSV_FLD_CHK(enclosure) ||
FPUTCSV_FLD_CHK(escape_char) ||
FPUTCSV_FLD_CHK('\n') ||
FPUTCSV_FLD_CHK('\r') ||
FPUTCSV_FLD_CHK('\t') ||
FPUTCSV_FLD_CHK(' ')
) {
char *ch = ZSTR_VAL(field_str);
char *end = ch + ZSTR_LEN(field_str);
int escaped = 0;
smart_str_appendc(&csvline, enclosure);
while (ch < end) {
if (*ch == escape_char) {
escaped = 1;
} else if (!escaped && *ch == enclosure) {
smart_str_appendc(&csvline, enclosure);
} else {
escaped = 0;
}
smart_str_appendc(&csvline, *ch);
ch++;
}
smart_str_appendc(&csvline, enclosure);
} else {
smart_str_append(&csvline, field_str);
}
if (++i != count) {
smart_str_appendl(&csvline, &delimiter, 1);
}
zend_string_release(field_str);
} ZEND_HASH_FOREACH_END();
smart_str_appendc(&csvline, '\n');
smart_str_0(&csvline);
ret = php_stream_write(stream, ZSTR_VAL(csvline.s), ZSTR_LEN(csvline.s));
smart_str_free(&csvline);
return ret;
}
/* }}} */
/* {{{ proto array fgetcsv(resource fp [,int length [, string delimiter [, string enclosure [, string escape]]]])
Get line from file pointer and parse for CSV fields */
PHP_FUNCTION(fgetcsv)
{
char delimiter = ','; /* allow this to be set as parameter */
char enclosure = '"'; /* allow this to be set as parameter */
char escape = '\\';
/* first section exactly as php_fgetss */
zend_long len = 0;
size_t buf_len;
char *buf;
php_stream *stream;
{
zval *fd, *len_zv = NULL;
char *delimiter_str = NULL;
size_t delimiter_str_len = 0;
char *enclosure_str = NULL;
size_t enclosure_str_len = 0;
char *escape_str = NULL;
size_t escape_str_len = 0;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "r|zsss",
&fd, &len_zv, &delimiter_str, &delimiter_str_len,
&enclosure_str, &enclosure_str_len,
&escape_str, &escape_str_len) == FAILURE
) {
return;
}
if (delimiter_str != NULL) {
/* Make sure that there is at least one character in string */
if (delimiter_str_len < 1) {
php_error_docref(NULL, E_WARNING, "delimiter must be a character");
RETURN_FALSE;
} else if (delimiter_str_len > 1) {
php_error_docref(NULL, E_NOTICE, "delimiter must be a single character");
}
/* use first character from string */
delimiter = delimiter_str[0];
}
if (enclosure_str != NULL) {
if (enclosure_str_len < 1) {
php_error_docref(NULL, E_WARNING, "enclosure must be a character");
RETURN_FALSE;
} else if (enclosure_str_len > 1) {
php_error_docref(NULL, E_NOTICE, "enclosure must be a single character");
}
/* use first character from string */
enclosure = enclosure_str[0];
}
if (escape_str != NULL) {
if (escape_str_len < 1) {
php_error_docref(NULL, E_WARNING, "escape must be character");
RETURN_FALSE;
} else if (escape_str_len > 1) {
php_error_docref(NULL, E_NOTICE, "escape must be a single character");
}
escape = escape_str[0];
}
if (len_zv != NULL && Z_TYPE_P(len_zv) != IS_NULL) {
len = zval_get_long(len_zv);
if (len < 0) {
php_error_docref(NULL, E_WARNING, "Length parameter may not be negative");
RETURN_FALSE;
} else if (len == 0) {
len = -1;
}
} else {
len = -1;
}
PHP_STREAM_TO_ZVAL(stream, fd);
}
if (len < 0) {
if ((buf = php_stream_get_line(stream, NULL, 0, &buf_len)) == NULL) {
RETURN_FALSE;
}
} else {
buf = emalloc(len + 1);
if (php_stream_get_line(stream, buf, len + 1, &buf_len) == NULL) {
efree(buf);
RETURN_FALSE;
}
}
php_fgetcsv(stream, delimiter, enclosure, escape, buf_len, buf, return_value);
}
/* }}} */
PHPAPI void php_fgetcsv(php_stream *stream, char delimiter, char enclosure, char escape_char, size_t buf_len, char *buf, zval *return_value) /* {{{ */
{
char *temp, *tptr, *bptr, *line_end, *limit;
size_t temp_len, line_end_len;
int inc_len;
zend_bool first_field = 1;
/* initialize internal state */
php_mb_reset();
/* Now into new section that parses buf for delimiter/enclosure fields */
/* Strip trailing space from buf, saving end of line in case required for enclosure field */
bptr = buf;
tptr = (char *)php_fgetcsv_lookup_trailing_spaces(buf, buf_len, delimiter);
line_end_len = buf_len - (size_t)(tptr - buf);
line_end = limit = tptr;
/* reserve workspace for building each individual field */
temp_len = buf_len;
temp = emalloc(temp_len + line_end_len + 1);
/* Initialize return array */
array_init(return_value);
/* Main loop to read CSV fields */
/* NB this routine will return a single null entry for a blank line */
do {
char *comp_end, *hunk_begin;
tptr = temp;
inc_len = (bptr < limit ? (*bptr == '\0' ? 1 : php_mblen(bptr, limit - bptr)): 0);
if (inc_len == 1) {
char *tmp = bptr;
while ((*tmp != delimiter) && isspace((int)*(unsigned char *)tmp)) {
tmp++;
}
if (*tmp == enclosure) {
bptr = tmp;
}
}
if (first_field && bptr == line_end) {
add_next_index_null(return_value);
break;
}
first_field = 0;
/* 2. Read field, leaving bptr pointing at start of next field */
if (inc_len != 0 && *bptr == enclosure) {
int state = 0;
bptr++; /* move on to first character in field */
hunk_begin = bptr;
/* 2A. handle enclosure delimited field */
for (;;) {
switch (inc_len) {
case 0:
switch (state) {
case 2:
memcpy(tptr, hunk_begin, bptr - hunk_begin - 1);
tptr += (bptr - hunk_begin - 1);
hunk_begin = bptr;
goto quit_loop_2;
case 1:
memcpy(tptr, hunk_begin, bptr - hunk_begin);
tptr += (bptr - hunk_begin);
hunk_begin = bptr;
/* break is omitted intentionally */
case 0: {
char *new_buf;
size_t new_len;
char *new_temp;
if (hunk_begin != line_end) {
memcpy(tptr, hunk_begin, bptr - hunk_begin);
tptr += (bptr - hunk_begin);
hunk_begin = bptr;
}
/* add the embedded line end to the field */
memcpy(tptr, line_end, line_end_len);
tptr += line_end_len;
if (stream == NULL) {
goto quit_loop_2;
} else if ((new_buf = php_stream_get_line(stream, NULL, 0, &new_len)) == NULL) {
/* we've got an unterminated enclosure,
* assign all the data from the start of
* the enclosure to end of data to the
* last element */
if ((size_t)temp_len > (size_t)(limit - buf)) {
goto quit_loop_2;
}
zval_dtor(return_value);
RETVAL_FALSE;
goto out;
}
temp_len += new_len;
new_temp = erealloc(temp, temp_len);
tptr = new_temp + (size_t)(tptr - temp);
temp = new_temp;
efree(buf);
buf_len = new_len;
bptr = buf = new_buf;
hunk_begin = buf;
line_end = limit = (char *)php_fgetcsv_lookup_trailing_spaces(buf, buf_len, delimiter);
line_end_len = buf_len - (size_t)(limit - buf);
state = 0;
} break;
}
break;
case -2:
case -1:
php_mb_reset();
/* break is omitted intentionally */
case 1:
/* we need to determine if the enclosure is
* 'real' or is it escaped */
switch (state) {
case 1: /* escaped */
bptr++;
state = 0;
break;
case 2: /* embedded enclosure ? let's check it */
if (*bptr != enclosure) {
/* real enclosure */
memcpy(tptr, hunk_begin, bptr - hunk_begin - 1);
tptr += (bptr - hunk_begin - 1);
hunk_begin = bptr;
goto quit_loop_2;
}
memcpy(tptr, hunk_begin, bptr - hunk_begin);
tptr += (bptr - hunk_begin);
bptr++;
hunk_begin = bptr;
state = 0;
break;
default:
if (*bptr == enclosure) {
state = 2;
} else if (*bptr == escape_char) {
state = 1;
}
bptr++;
break;
}
break;
default:
switch (state) {
case 2:
/* real enclosure */
memcpy(tptr, hunk_begin, bptr - hunk_begin - 1);
tptr += (bptr - hunk_begin - 1);
hunk_begin = bptr;
goto quit_loop_2;
case 1:
bptr += inc_len;
memcpy(tptr, hunk_begin, bptr - hunk_begin);
tptr += (bptr - hunk_begin);
hunk_begin = bptr;
state = 0;
break;
default:
bptr += inc_len;
break;
}
break;
}
inc_len = (bptr < limit ? (*bptr == '\0' ? 1 : php_mblen(bptr, limit - bptr)): 0);
}
quit_loop_2:
/* look up for a delimiter */
for (;;) {
switch (inc_len) {
case 0:
goto quit_loop_3;
case -2:
case -1:
inc_len = 1;
php_mb_reset();
/* break is omitted intentionally */
case 1:
if (*bptr == delimiter) {
goto quit_loop_3;
}
break;
default:
break;
}
bptr += inc_len;
inc_len = (bptr < limit ? (*bptr == '\0' ? 1 : php_mblen(bptr, limit - bptr)): 0);
}
quit_loop_3:
memcpy(tptr, hunk_begin, bptr - hunk_begin);
tptr += (bptr - hunk_begin);
bptr += inc_len;
comp_end = tptr;
} else {
/* 2B. Handle non-enclosure field */
hunk_begin = bptr;
for (;;) {
switch (inc_len) {
case 0:
goto quit_loop_4;
case -2:
case -1:
inc_len = 1;
php_mb_reset();
/* break is omitted intentionally */
case 1:
if (*bptr == delimiter) {
goto quit_loop_4;
}
break;
default:
break;
}
bptr += inc_len;
inc_len = (bptr < limit ? (*bptr == '\0' ? 1 : php_mblen(bptr, limit - bptr)): 0);
}
quit_loop_4:
memcpy(tptr, hunk_begin, bptr - hunk_begin);
tptr += (bptr - hunk_begin);
comp_end = (char *)php_fgetcsv_lookup_trailing_spaces(temp, tptr - temp, delimiter);
if (*bptr == delimiter) {
bptr++;
}
}
/* 3. Now pass our field back to php */
*comp_end = '\0';
add_next_index_stringl(return_value, temp, comp_end - temp);
} while (inc_len > 0);
out:
efree(temp);
if (stream) {
efree(buf);
}
}
/* }}} */
#if (!defined(__BEOS__) && !defined(NETWARE) && HAVE_REALPATH) || defined(ZTS)
/* {{{ proto string realpath(string path)
Return the resolved path */
PHP_FUNCTION(realpath)
{
char *filename;
size_t filename_len;
char resolved_path_buff[MAXPATHLEN];
ZEND_PARSE_PARAMETERS_START(1, 1)
Z_PARAM_PATH(filename, filename_len)
ZEND_PARSE_PARAMETERS_END();
if (VCWD_REALPATH(filename, resolved_path_buff)) {
if (php_check_open_basedir(resolved_path_buff)) {
RETURN_FALSE;
}
#ifdef ZTS
if (VCWD_ACCESS(resolved_path_buff, F_OK)) {
RETURN_FALSE;
}
#endif
RETURN_STRING(resolved_path_buff);
} else {
RETURN_FALSE;
}
}
/* }}} */
#endif
/* See http://www.w3.org/TR/html4/intro/sgmltut.html#h-3.2.2 */
#define PHP_META_HTML401_CHARS "-_.:"
/* {{{ php_next_meta_token
Tokenizes an HTML file for get_meta_tags */
php_meta_tags_token php_next_meta_token(php_meta_tags_data *md)
{
int ch = 0, compliment;
char buff[META_DEF_BUFSIZE + 1];
memset((void *)buff, 0, META_DEF_BUFSIZE + 1);
while (md->ulc || (!php_stream_eof(md->stream) && (ch = php_stream_getc(md->stream)))) {
if (php_stream_eof(md->stream)) {
break;
}
if (md->ulc) {
ch = md->lc;
md->ulc = 0;
}
switch (ch) {
case '<':
return TOK_OPENTAG;
break;
case '>':
return TOK_CLOSETAG;
break;
case '=':
return TOK_EQUAL;
break;
case '/':
return TOK_SLASH;
break;
case '\'':
case '"':
compliment = ch;
md->token_len = 0;
while (!php_stream_eof(md->stream) && (ch = php_stream_getc(md->stream)) && ch != compliment && ch != '<' && ch != '>') {
buff[(md->token_len)++] = ch;
if (md->token_len == META_DEF_BUFSIZE) {
break;
}
}
if (ch == '<' || ch == '>') {
/* Was just an apostrohpe */
md->ulc = 1;
md->lc = ch;
}
/* We don't need to alloc unless we are in a meta tag */
if (md->in_meta) {
md->token_data = (char *) emalloc(md->token_len + 1);
memcpy(md->token_data, buff, md->token_len+1);
}
return TOK_STRING;
break;
case '\n':
case '\r':
case '\t':
break;
case ' ':
return TOK_SPACE;
break;
default:
if (isalnum(ch)) {
md->token_len = 0;
buff[(md->token_len)++] = ch;
while (!php_stream_eof(md->stream) && (ch = php_stream_getc(md->stream)) && (isalnum(ch) || strchr(PHP_META_HTML401_CHARS, ch))) {
buff[(md->token_len)++] = ch;
if (md->token_len == META_DEF_BUFSIZE) {
break;
}
}
/* This is ugly, but we have to replace ungetc */
if (!isalpha(ch) && ch != '-') {
md->ulc = 1;
md->lc = ch;
}
md->token_data = (char *) emalloc(md->token_len + 1);
memcpy(md->token_data, buff, md->token_len+1);
return TOK_ID;
} else {
return TOK_OTHER;
}
break;
}
}
return TOK_EOF;
}
/* }}} */
#ifdef HAVE_FNMATCH
/* {{{ proto bool fnmatch(string pattern, string filename [, int flags])
Match filename against pattern */
PHP_FUNCTION(fnmatch)
{
char *pattern, *filename;
size_t pattern_len, filename_len;
zend_long flags = 0;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "pp|l", &pattern, &pattern_len, &filename, &filename_len, &flags) == FAILURE) {
return;
}
if (filename_len >= MAXPATHLEN) {
php_error_docref(NULL, E_WARNING, "Filename exceeds the maximum allowed length of %d characters", MAXPATHLEN);
RETURN_FALSE;
}
if (pattern_len >= MAXPATHLEN) {
php_error_docref(NULL, E_WARNING, "Pattern exceeds the maximum allowed length of %d characters", MAXPATHLEN);
RETURN_FALSE;
}
RETURN_BOOL( ! fnmatch( pattern, filename, (int)flags ));
}
/* }}} */
#endif
/* {{{ proto string sys_get_temp_dir()
Returns directory path used for temporary files */
PHP_FUNCTION(sys_get_temp_dir)
{
if (zend_parse_parameters_none() == FAILURE) {
return;
}
RETURN_STRING((char *)php_get_temporary_directory());
}
/* }}} */
/*
* 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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