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04a08c757a
php-src/ext/standard/file.c
Marcus Boerger 6bd8257607 - Fix proto 
- Do not try to write zero bytes
2005-03-07 22:10:08 +00:00

2398 lines
64 KiB
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/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2004 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.0 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_0.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 "php_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"
#elif defined(NETWARE)
#include <sys/param.h>
#include <sys/select.h>
#ifdef USE_WINSOCK
#include <novsock2.h>
#else
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#endif
#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 "safe_mode.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
#ifdef HAVE_FNMATCH
#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) \
php_stream_from_zval_no_verify(stream, arg); \
if (stream == NULL) { \
RETURN_FALSE; \
}
/* {{{ 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*)rsrc->ptr;
if (context->options) {
zval_ptr_dtor(&context->options);
context->options = NULL;
}
php_stream_context_free(context);
}
static void file_globals_ctor(php_file_globals *file_globals_p TSRMLS_DC)
{
FG(pclose_ret) = 0;
FG(user_stream_current_filename) = NULL;
FG(def_chunk_size) = PHP_SOCK_CHUNK_SIZE;
}
static void file_globals_dtor(php_file_globals *file_globals_p TSRMLS_DC)
{
}
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("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 TSRMLS_CC);
#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", 1, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("LOCK_EX", 2, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("LOCK_UN", 3, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("LOCK_NB", 4, 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_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_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);
#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
#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
#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
#ifdef IPPROTO_TCP
REGISTER_LONG_CONSTANT("STREAM_IPPROTO_TCP", IPPROTO_TCP, CONST_CS|CONST_PERSISTENT);
#endif
#ifdef IPPROTO_UDP
REGISTER_LONG_CONSTANT("STREAM_IPPROTO_UDP", IPPROTO_UDP, CONST_CS|CONST_PERSISTENT);
#endif
#ifdef IPPROTO_ICMP
REGISTER_LONG_CONSTANT("STREAM_IPPROTO_ICMP", IPPROTO_ICMP, CONST_CS|CONST_PERSISTENT);
#endif
#ifdef IPPROTO_RAW
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);
#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 TSRMLS_CC);
#endif
return SUCCESS;
}
/* {{{ proto bool flock(resource fp, int operation [, int &wouldblock])
Portable file locking */
static int flock_values[] = { LOCK_SH, LOCK_EX, LOCK_UN };
PHP_FUNCTION(flock)
{
zval *arg1, *arg3 = NULL;
int act;
php_stream *stream;
long operation = 0;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl|z", &arg1, &operation, &arg3) == FAILURE) {
return;
}
PHP_STREAM_TO_ZVAL(stream, &arg1);
act = operation & 3;
if (act < 1 || act > 3) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Illegal operation argument");
RETURN_FALSE;
}
if (arg3 && PZVAL_IS_REF(arg3)) {
convert_to_long_ex(&arg3);
Z_LVAL_P(arg3) = 0;
}
/* flock_values contains all possible actions if (operation & 4) we won't block on the lock */
act = flock_values[act - 1] | (operation & 4 ? LOCK_NB : 0);
if (!php_stream_lock(stream, act)) {
if (operation && errno == EWOULDBLOCK && arg3 && PZVAL_IS_REF(arg3)) {
Z_LVAL_P(arg3) = 1;
}
RETURN_TRUE;
}
RETURN_FALSE;
}
/* }}} */
#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;
int 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() TSRMLS_CC, "s|b",
&filename, &filename_len, &use_include_path) == FAILURE) {
return;
}
md.stream = php_stream_open_wrapper(filename, "rb",
(use_include_path ? USE_PATH : 0) | ENFORCE_SAFE_MODE | REPORT_ERRORS,
NULL);
if (!md.stream) {
RETURN_FALSE;
}
array_init(return_value);
tok_last = TOK_EOF;
while (!done && (tok = php_next_meta_token(&md TSRMLS_CC)) != 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) {
/* 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) {
/* Get the CONTENT attr (Single word attr, non-quoted) */
if (PG(magic_quotes_runtime)) {
value = php_addslashes(md.token_data, 0, &md.token_len, 0 TSRMLS_CC);
} else {
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) {
/* 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) {
/* Get the CONTENT attr (Single word attr, non-quoted) */
if (PG(magic_quotes_runtime)) {
value = php_addslashes(md.token_data, 0, &md.token_len, 0 TSRMLS_CC);
} else {
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, 0);
} else {
add_assoc_string(return_value, name, "", 1);
}
efree(name);
} 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;
}
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;
int filename_len;
char *contents;
zend_bool use_include_path = 0;
php_stream *stream;
int len, newlen;
long offset = -1;
long maxlen = PHP_STREAM_COPY_ALL;
zval *zcontext = NULL;
php_stream_context *context = NULL;
/* Parse arguments */
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|br!ll",
&filename, &filename_len, &use_include_path, &zcontext, &offset, &maxlen) == FAILURE) {
return;
}
context = php_stream_context_from_zval(zcontext, 0);
stream = php_stream_open_wrapper_ex(filename, "rb",
(use_include_path ? USE_PATH : 0) | ENFORCE_SAFE_MODE | REPORT_ERRORS,
NULL, context);
if (!stream) {
RETURN_FALSE;
}
if (offset > 0 && php_stream_seek(stream, offset, SEEK_SET) < 0) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to seek to %ld position in the stream.", offset);
RETURN_FALSE;
}
/* uses mmap if possible */
if ((len = php_stream_copy_to_mem(stream, &contents, maxlen, 0)) > 0) {
if (PG(magic_quotes_runtime)) {
contents = php_addslashes(contents, len, &newlen, 1 TSRMLS_CC); /* 1 = free source string */
len = newlen;
}
RETVAL_STRINGL(contents, len, 0);
} else if (len == 0) {
RETVAL_EMPTY_STRING();
} else {
RETVAL_FALSE;
}
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;
int filename_len;
zval *data;
int numbytes = 0;
long flags = 0;
zval *zcontext = NULL;
php_stream_context *context = NULL;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sz/|lr!", &filename, &filename_len,
&data, &flags, &zcontext) == FAILURE) {
return;
}
context = php_stream_context_from_zval(zcontext, flags & PHP_FILE_NO_DEFAULT_CONTEXT);
stream = php_stream_open_wrapper_ex(filename, (flags & PHP_FILE_APPEND) ? "ab" : "wb",
((flags & PHP_FILE_USE_INCLUDE_PATH) ? USE_PATH : 0) | ENFORCE_SAFE_MODE | REPORT_ERRORS, NULL, context);
if (stream == NULL) {
RETURN_FALSE;
}
switch (Z_TYPE_P(data)) {
case IS_RESOURCE:
{
php_stream *srcstream;
php_stream_from_zval(srcstream, &data);
numbytes = php_stream_copy_to_stream(srcstream, stream, PHP_STREAM_COPY_ALL);
break;
}
case IS_NULL:
case IS_LONG:
case IS_DOUBLE:
case IS_BOOL:
case IS_CONSTANT:
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 TSRMLS_CC, E_WARNING, "Only %d of %d 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))) {
int bytes_written;
zval **tmp;
HashPosition pos;
zend_hash_internal_pointer_reset_ex(Z_ARRVAL_P(data), &pos);
while (zend_hash_get_current_data_ex(Z_ARRVAL_P(data), (void **) &tmp, &pos) == SUCCESS) {
if ((*tmp)->type != IS_STRING) {
SEPARATE_ZVAL(tmp);
convert_to_string(*tmp);
}
if (Z_STRLEN_PP(tmp)) {
numbytes += Z_STRLEN_PP(tmp);
bytes_written = php_stream_write(stream, Z_STRVAL_PP(tmp), Z_STRLEN_PP(tmp));
if (bytes_written < 0 || bytes_written != Z_STRLEN_PP(tmp)) {
if (bytes_written < 0) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to write %d bytes to %s", Z_STRLEN_PP(tmp), filename);
} else {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Only %d of %d bytes written, possibly out of free disk space", bytes_written, Z_STRLEN_PP(tmp));
}
numbytes = -1;
break;
}
}
zend_hash_move_forward_ex(Z_ARRVAL_P(data), &pos);
}
}
break;
default:
php_error_docref(NULL TSRMLS_CC, E_WARNING, "The 2nd parameter should be either a string or an array");
numbytes = -1;
break;
}
php_stream_close(stream);
if (numbytes < 0) {
RETURN_FALSE;
}
RETURN_LONG(numbytes);
}
/* }}} */
/* {{{ proto array file(string filename [, int flags[, resource context]])
Read entire file into an array */
#define PHP_FILE_BUF_SIZE 80
PHP_FUNCTION(file)
{
char *filename;
int filename_len;
char *slashed, *target_buf=NULL, *p, *s, *e;
register int i = 0;
int target_len, len;
char eol_marker = '\n';
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;
/* Parse arguments */
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|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 TSRMLS_CC, E_WARNING, "'%ld' 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) | ENFORCE_SAFE_MODE | REPORT_ERRORS, NULL, context);
if (!stream) {
RETURN_FALSE;
}
/* Initialize return array */
array_init(return_value);
if ((target_len = php_stream_copy_to_mem(stream, &target_buf, PHP_STREAM_COPY_ALL, 0))) {
s = target_buf;
e = target_buf + target_len;
if (!(p = php_stream_locate_eol(stream, target_buf, target_len TSRMLS_CC))) {
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:
if (PG(magic_quotes_runtime)) {
/* s is in target_buf which is freed at the end of the function */
slashed = php_addslashes(s, (p-s), &len, 0 TSRMLS_CC);
add_index_stringl(return_value, i++, slashed, len, 0);
} else {
add_index_stringl(return_value, i++, estrndup(s, p-s), p-s, 0);
}
s = p;
} while ((p = memchr(p, eol_marker, (e-p))));
} else {
do {
if (skip_blank_lines && !(p-s)) {
s = ++p;
continue;
}
if (PG(magic_quotes_runtime)) {
/* s is in target_buf which is freed at the end of the function */
slashed = php_addslashes(s, (p-s), &len, 0 TSRMLS_CC);
add_index_stringl(return_value, i++, slashed, len, 0);
} else {
add_index_stringl(return_value, i++, estrndup(s, p-s), p-s, 0);
}
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) {
efree(target_buf);
}
php_stream_close(stream);
}
/* }}} */
/* {{{ proto string tempnam(string dir, string prefix)
Create a unique filename in a directory */
PHP_FUNCTION(tempnam)
{
pval **arg1, **arg2;
char *d;
char *opened_path;
char p[64];
int fd;
if (ZEND_NUM_ARGS() != 2 || zend_get_parameters_ex(2, &arg1, &arg2) == FAILURE) {
WRONG_PARAM_COUNT;
}
convert_to_string_ex(arg1);
convert_to_string_ex(arg2);
if (php_check_open_basedir(Z_STRVAL_PP(arg1) TSRMLS_CC)) {
RETURN_FALSE;
}
d = estrndup(Z_STRVAL_PP(arg1), Z_STRLEN_PP(arg1));
strlcpy(p, Z_STRVAL_PP(arg2), sizeof(p));
if ((fd = php_open_temporary_fd(d, p, &opened_path TSRMLS_CC)) >= 0) {
close(fd);
RETVAL_STRING(opened_path, 0);
} else {
RETVAL_FALSE;
}
efree(d);
}
/* }}} */
/* {{{ 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_NUM_ARGS() != 0) {
WRONG_PARAM_COUNT;
}
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;
int 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() TSRMLS_CC, "ss|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) | ENFORCE_SAFE_MODE | REPORT_ERRORS, NULL, context);
if (stream == NULL) {
RETURN_FALSE;
}
php_stream_to_zval(stream, return_value);
if (zcontext) {
zend_list_addref(Z_RESVAL_P(zcontext));
}
}
/* }}} */
/* {{{ proto bool fclose(resource fp)
Close an open file pointer */
PHPAPI PHP_FUNCTION(fclose)
{
zval **arg1;
php_stream *stream;
if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &arg1) == FAILURE) {
WRONG_PARAM_COUNT;
}
PHP_STREAM_TO_ZVAL(stream, arg1);
if (!stream->is_persistent) {
zend_list_delete(stream->rsrc_id);
} else {
php_stream_pclose(stream);
}
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)
{
zval **arg1, **arg2;
FILE *fp;
char *p, *tmp = NULL;
char *b, *buf = 0;
php_stream *stream;
if (ZEND_NUM_ARGS() != 2 || zend_get_parameters_ex(2, &arg1, &arg2) == FAILURE) {
WRONG_PARAM_COUNT;
}
convert_to_string_ex(arg1);
convert_to_string_ex(arg2);
p = estrndup(Z_STRVAL_PP(arg2), Z_STRLEN_PP(arg2));
#ifndef PHP_WIN32
{
char *z = memchr(p, 'b', Z_STRLEN_PP(arg2));
if (z) {
memmove(p + (z - p), z + 1, Z_STRLEN_PP(arg2) - (z - p));
}
}
#endif
if (PG(safe_mode)){
b = strchr(Z_STRVAL_PP(arg1), ' ');
if (!b) {
b = strrchr(Z_STRVAL_PP(arg1), '/');
} else {
char *c;
c = Z_STRVAL_PP(arg1);
while((*b != '/') && (b != c)) {
b--;
}
if (b == c) {
b = NULL;
}
}
if (b) {
spprintf(&buf, 0, "%s%s", PG(safe_mode_exec_dir), b);
} else {
spprintf(&buf, 0, "%s/%s", PG(safe_mode_exec_dir), Z_STRVAL_PP(arg1));
}
tmp = php_escape_shell_cmd(buf);
fp = VCWD_POPEN(tmp, p);
efree(tmp);
if (!fp) {
php_error_docref2(NULL TSRMLS_CC, buf, p, E_WARNING, "%s", strerror(errno));
efree(p);
efree(buf);
RETURN_FALSE;
}
efree(buf);
} else {
fp = VCWD_POPEN(Z_STRVAL_PP(arg1), p);
if (!fp) {
php_error_docref2(NULL TSRMLS_CC, Z_STRVAL_PP(arg1), p, E_WARNING, "%s", strerror(errno));
efree(p);
RETURN_FALSE;
}
}
stream = php_stream_fopen_from_pipe(fp, p);
if (stream == NULL) {
php_error_docref2(NULL TSRMLS_CC, Z_STRVAL_PP(arg1), p, E_WARNING, "%s", strerror(errno));
RETVAL_FALSE;
} else {
php_stream_to_zval(stream, return_value);
}
efree(p);
}
/* }}} */
/* {{{ proto int pclose(resource fp)
Close a file pointer opened by popen() */
PHP_FUNCTION(pclose)
{
zval **arg1;
php_stream *stream;
if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &arg1) == FAILURE) {
WRONG_PARAM_COUNT;
}
PHP_STREAM_TO_ZVAL(stream, arg1);
zend_list_delete(stream->rsrc_id);
RETURN_LONG(FG(pclose_ret));
}
/* }}} */
/* {{{ proto bool feof(resource fp)
Test for end-of-file on a file pointer */
PHPAPI PHP_FUNCTION(feof)
{
zval **arg1;
php_stream *stream;
if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &arg1) == FAILURE) {
WRONG_PARAM_COUNT;
}
PHP_STREAM_TO_ZVAL(stream, arg1);
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 **arg1, **arg2;
int len = 1024;
char *buf = NULL;
int argc = ZEND_NUM_ARGS();
size_t line_len = 0;
php_stream *stream;
if (argc<1 || argc>2 || zend_get_parameters_ex(argc, &arg1, &arg2) == FAILURE) {
WRONG_PARAM_COUNT;
}
PHP_STREAM_TO_ZVAL(stream, arg1);
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) {
goto exit_failed;
}
} else if (argc > 1) {
convert_to_long_ex(arg2);
len = Z_LVAL_PP(arg2);
if (len <= 0) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Length parameter must be greater than 0");
RETURN_FALSE;
}
buf = ecalloc(len + 1, sizeof(char));
if (php_stream_get_line(stream, buf, len, &line_len) == NULL) {
goto exit_failed;
}
}
if (PG(magic_quotes_runtime)) {
Z_STRVAL_P(return_value) = php_addslashes(buf, line_len, &Z_STRLEN_P(return_value), 1 TSRMLS_CC);
Z_TYPE_P(return_value) = IS_STRING;
} else {
ZVAL_STRINGL(return_value, buf, line_len, 0);
/* resize buffer if it's much larger than the result.
* Only needed if the user requested a buffer size. */
if (argc > 1 && Z_STRLEN_P(return_value) < len / 2) {
Z_STRVAL_P(return_value) = erealloc(buf, line_len + 1);
}
}
return;
exit_failed:
RETVAL_FALSE;
if (buf) {
efree(buf);
}
}
/* }}} */
/* {{{ proto string fgetc(resource fp)
Get a character from file pointer */
PHPAPI PHP_FUNCTION(fgetc)
{
zval **arg1;
char buf[2];
int result;
php_stream *stream;
if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &arg1) == FAILURE) {
WRONG_PARAM_COUNT;
}
PHP_STREAM_TO_ZVAL(stream, arg1);
result = php_stream_getc(stream);
if (result == EOF) {
RETVAL_FALSE;
} else {
buf[0] = result;
buf[1] = '\0';
RETURN_STRINGL(buf, 1, 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, **bytes = NULL, **allow=NULL;
size_t len = 0;
size_t actual_len, retval_len;
char *buf = NULL, *retval;
php_stream *stream;
char *allowed_tags=NULL;
int allowed_tags_len=0;
switch(ZEND_NUM_ARGS()) {
case 1:
if (zend_get_parameters_ex(1, &fd) == FAILURE) {
RETURN_FALSE;
}
break;
case 2:
if (zend_get_parameters_ex(2, &fd, &bytes) == FAILURE) {
RETURN_FALSE;
}
break;
case 3:
if (zend_get_parameters_ex(3, &fd, &bytes, &allow) == FAILURE) {
RETURN_FALSE;
}
convert_to_string_ex(allow);
allowed_tags = Z_STRVAL_PP(allow);
allowed_tags_len = Z_STRLEN_PP(allow);
break;
default:
WRONG_PARAM_COUNT;
/* NOTREACHED */
break;
}
PHP_STREAM_TO_ZVAL(stream, fd);
if (bytes != NULL) {
convert_to_long_ex(bytes);
if (Z_LVAL_PP(bytes) <= 0) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Length parameter must be greater than 0");
RETURN_FALSE;
}
len = (size_t) Z_LVAL_PP(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);
RETURN_STRINGL(retval, retval_len, 0);
}
/* }}} */
/* {{{ proto mixed fscanf(resource stream, string format [, string ...])
Implements a mostly ANSI compatible fscanf() */
PHP_FUNCTION(fscanf)
{
int result;
zval **file_handle, **format_string;
size_t len;
int type;
char *buf;
void *what;
zval ***args;
int argCount;
argCount = ZEND_NUM_ARGS();
if (argCount < 2) {
WRONG_PARAM_COUNT;
}
args = (zval ***)safe_emalloc(argCount, sizeof(zval **), 0);
if (zend_get_parameters_array_ex(argCount, args) == FAILURE) {
efree( args );
WRONG_PARAM_COUNT;
}
file_handle = args[0];
format_string = args[1];
what = zend_fetch_resource(file_handle TSRMLS_CC, -1, "File-Handle", &type, 2,
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) {
efree(args);
RETURN_FALSE;
}
buf = php_stream_get_line((php_stream *) what, NULL, 0, &len);
if (buf == NULL) {
efree(args);
RETURN_FALSE;
}
convert_to_string_ex(format_string);
result = php_sscanf_internal(buf, Z_STRVAL_PP(format_string),
argCount, args, 2, &return_value TSRMLS_CC);
efree(args);
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 **arg1, **arg2, **arg3=NULL;
int ret;
int num_bytes;
char *buffer = NULL;
php_stream *stream;
switch (ZEND_NUM_ARGS()) {
case 2:
if (zend_get_parameters_ex(2, &arg1, &arg2)==FAILURE) {
RETURN_FALSE;
}
convert_to_string_ex(arg2);
num_bytes = Z_STRLEN_PP(arg2);
break;
case 3:
if (zend_get_parameters_ex(3, &arg1, &arg2, &arg3)==FAILURE) {
RETURN_FALSE;
}
convert_to_string_ex(arg2);
convert_to_long_ex(arg3);
num_bytes = MAX(0, MIN(Z_LVAL_PP(arg3), Z_STRLEN_PP(arg2)));
break;
default:
WRONG_PARAM_COUNT;
/* NOTREACHED */
break;
}
if (!num_bytes) {
RETURN_LONG(0);
}
PHP_STREAM_TO_ZVAL(stream, arg1);
if (PG(magic_quotes_runtime)) {
buffer = estrndup(Z_STRVAL_PP(arg2), num_bytes);
php_stripslashes(buffer, &num_bytes TSRMLS_CC);
}
ret = php_stream_write(stream, buffer ? buffer : Z_STRVAL_PP(arg2), num_bytes);
if (buffer) {
efree(buffer);
}
RETURN_LONG(ret);
}
/* }}} */
/* {{{ proto bool fflush(resource fp)
Flushes output */
PHPAPI PHP_FUNCTION(fflush)
{
zval **arg1;
int ret;
php_stream *stream;
if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &arg1) == FAILURE) {
WRONG_PARAM_COUNT;
}
PHP_STREAM_TO_ZVAL(stream, arg1);
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 **arg1;
php_stream *stream;
if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &arg1) == FAILURE) {
WRONG_PARAM_COUNT;
}
PHP_STREAM_TO_ZVAL(stream, arg1);
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 **arg1;
long ret;
php_stream *stream;
if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &arg1) == FAILURE) {
WRONG_PARAM_COUNT;
}
PHP_STREAM_TO_ZVAL(stream, arg1);
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 **arg1, **arg2, **arg3;
int argcount = ZEND_NUM_ARGS(), whence = SEEK_SET;
php_stream *stream;
if (argcount < 2 || argcount > 3 || zend_get_parameters_ex(argcount, &arg1, &arg2, &arg3) == FAILURE) {
WRONG_PARAM_COUNT;
}
PHP_STREAM_TO_ZVAL(stream, arg1);
convert_to_long_ex(arg2);
if (argcount > 2) {
convert_to_long_ex(arg3);
whence = Z_LVAL_PP(arg3);
}
RETURN_LONG(php_stream_seek(stream, Z_LVAL_PP(arg2), whence));
}
/* }}} */
/* {{{ proto int mkdir(char *dir int mode)
*/
PHPAPI int php_mkdir(char *dir, long mode TSRMLS_DC)
{
int ret;
if (PG(safe_mode) && (!php_checkuid(dir, NULL, CHECKUID_CHECK_FILE_AND_DIR))) {
return -1;
}
if (php_check_open_basedir(dir TSRMLS_CC)) {
return -1;
}
if ((ret = VCWD_MKDIR(dir, (mode_t)mode)) < 0) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", strerror(errno));
}
return ret;
}
/* }}} */
/* {{{ proto bool mkdir(string pathname [, int mode [, bool recursive [, resource context]]])
Create a directory */
PHP_FUNCTION(mkdir)
{
zval *zcontext = NULL;
long mode = 0777;
int dir_len;
zend_bool recursive = 0;
char *dir;
php_stream_context *context;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|lbr", &dir, &dir_len, &mode, &recursive, &zcontext) == FAILURE) {
RETURN_FALSE;
}
context = php_stream_context_from_zval(zcontext, 0);
RETURN_BOOL(php_stream_mkdir(dir, 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;
zval *zcontext = NULL;
php_stream_context *context;
int dir_len;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|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;
int size = 0;
int filename_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() TSRMLS_CC, "s|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) | ENFORCE_SAFE_MODE | 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)
{
pval **arg1;
int oldumask;
int arg_count = ZEND_NUM_ARGS();
oldumask = umask(077);
if (arg_count == 0) {
umask(oldumask);
} else {
if (arg_count > 1 || zend_get_parameters_ex(1, &arg1) == FAILURE) {
WRONG_PARAM_COUNT;
}
convert_to_long_ex(arg1);
umask(Z_LVAL_PP(arg1));
}
/* XXX we should maybe reset the umask after each request! */
RETURN_LONG(oldumask);
}
/* }}} */
/* {{{ proto int fpassthru(resource fp)
Output all remaining data from a file pointer */
PHPAPI PHP_FUNCTION(fpassthru)
{
zval **arg1;
int size;
php_stream *stream;
if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &arg1) == FAILURE) {
WRONG_PARAM_COUNT;
}
PHP_STREAM_TO_ZVAL(stream, arg1);
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;
int old_name_len, new_name_len;
zval *zcontext = NULL;
php_stream_wrapper *wrapper;
php_stream_context *context;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss|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 TSRMLS_CC);
if (!wrapper || !wrapper->wops) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to locate stream wrapper");
RETURN_FALSE;
}
if (!wrapper->wops->rename) {
php_error_docref(NULL TSRMLS_CC, 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 TSRMLS_CC)) {
php_error_docref(NULL TSRMLS_CC, 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 TSRMLS_CC));
}
/* }}} */
/* {{{ proto bool unlink(string filename[, context context])
Delete a file */
PHP_FUNCTION(unlink)
{
char *filename;
int filename_len;
php_stream_wrapper *wrapper;
zval *zcontext = NULL;
php_stream_context *context = NULL;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|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 TSRMLS_CC);
if (!wrapper || !wrapper->wops) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to locate stream wrapper");
RETURN_FALSE;
}
if (!wrapper->wops->unlink) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s does not allow unlinking", wrapper->wops->label ? wrapper->wops->label : "Wrapper");
RETURN_FALSE;
}
RETURN_BOOL(wrapper->wops->unlink(wrapper, filename, ENFORCE_SAFE_MODE | REPORT_ERRORS, context TSRMLS_CC));
}
/* }}} */
/* {{{ proto bool ftruncate(resource fp, int size)
Truncate file to 'size' length */
PHP_NAMED_FUNCTION(php_if_ftruncate)
{
zval **fp , **size;
php_stream *stream;
if (ZEND_NUM_ARGS() != 2 || zend_get_parameters_ex(2, &fp, &size) == FAILURE) {
WRONG_PARAM_COUNT;
}
PHP_STREAM_TO_ZVAL(stream, fp);
convert_to_long_ex(size);
if (!php_stream_truncate_supported(stream)) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Can't truncate this stream!");
RETURN_FALSE;
}
RETURN_BOOL(0 == php_stream_truncate_set_size(stream, Z_LVAL_PP(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_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &fp) == FAILURE) {
WRONG_PARAM_COUNT;
}
PHP_STREAM_TO_ZVAL(stream, fp);
if (php_stream_stat(stream, &stat_ssb)) {
RETURN_FALSE;
}
array_init(return_value);
MAKE_LONG_ZVAL_INCREF(stat_dev, stat_ssb.sb.st_dev);
MAKE_LONG_ZVAL_INCREF(stat_ino, stat_ssb.sb.st_ino);
MAKE_LONG_ZVAL_INCREF(stat_mode, stat_ssb.sb.st_mode);
MAKE_LONG_ZVAL_INCREF(stat_nlink, stat_ssb.sb.st_nlink);
MAKE_LONG_ZVAL_INCREF(stat_uid, stat_ssb.sb.st_uid);
MAKE_LONG_ZVAL_INCREF(stat_gid, stat_ssb.sb.st_gid);
#ifdef HAVE_ST_RDEV
MAKE_LONG_ZVAL_INCREF(stat_rdev, stat_ssb.sb.st_rdev);
#else
MAKE_LONG_ZVAL_INCREF(stat_rdev, -1);
#endif
MAKE_LONG_ZVAL_INCREF(stat_size, stat_ssb.sb.st_size);
#ifdef NETWARE
MAKE_LONG_ZVAL_INCREF(stat_atime, stat_ssb.sb.st_atime.tv_sec);
MAKE_LONG_ZVAL_INCREF(stat_mtime, stat_ssb.sb.st_mtime.tv_sec);
MAKE_LONG_ZVAL_INCREF(stat_ctime, stat_ssb.sb.st_ctime.tv_sec);
#else
MAKE_LONG_ZVAL_INCREF(stat_atime, stat_ssb.sb.st_atime);
MAKE_LONG_ZVAL_INCREF(stat_mtime, stat_ssb.sb.st_mtime);
MAKE_LONG_ZVAL_INCREF(stat_ctime, stat_ssb.sb.st_ctime);
#endif
#ifdef HAVE_ST_BLKSIZE
MAKE_LONG_ZVAL_INCREF(stat_blksize, stat_ssb.sb.st_blksize);
#else
MAKE_LONG_ZVAL_INCREF(stat_blksize,-1);
#endif
#ifdef HAVE_ST_BLOCKS
MAKE_LONG_ZVAL_INCREF(stat_blocks, stat_ssb.sb.st_blocks);
#else
MAKE_LONG_ZVAL_INCREF(stat_blocks,-1);
#endif
/* Store numeric indexes in propper order */
zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_dev, sizeof(zval *), NULL);
zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_ino, sizeof(zval *), NULL);
zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_mode, sizeof(zval *), NULL);
zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_nlink, sizeof(zval *), NULL);
zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_uid, sizeof(zval *), NULL);
zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_gid, sizeof(zval *), NULL);
zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_rdev, sizeof(zval *), NULL);
zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_size, sizeof(zval *), NULL);
zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_atime, sizeof(zval *), NULL);
zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_mtime, sizeof(zval *), NULL);
zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_ctime, sizeof(zval *), NULL);
zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_blksize, sizeof(zval *), NULL);
zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_blocks, sizeof(zval *), NULL);
/* Store string indexes referencing the same zval*/
zend_hash_update(HASH_OF(return_value), stat_sb_names[0], strlen(stat_sb_names[0])+1, (void *)&stat_dev, sizeof(zval *), NULL);
zend_hash_update(HASH_OF(return_value), stat_sb_names[1], strlen(stat_sb_names[1])+1, (void *)&stat_ino, sizeof(zval *), NULL);
zend_hash_update(HASH_OF(return_value), stat_sb_names[2], strlen(stat_sb_names[2])+1, (void *)&stat_mode, sizeof(zval *), NULL);
zend_hash_update(HASH_OF(return_value), stat_sb_names[3], strlen(stat_sb_names[3])+1, (void *)&stat_nlink, sizeof(zval *), NULL);
zend_hash_update(HASH_OF(return_value), stat_sb_names[4], strlen(stat_sb_names[4])+1, (void *)&stat_uid, sizeof(zval *), NULL);
zend_hash_update(HASH_OF(return_value), stat_sb_names[5], strlen(stat_sb_names[5])+1, (void *)&stat_gid, sizeof(zval *), NULL);
zend_hash_update(HASH_OF(return_value), stat_sb_names[6], strlen(stat_sb_names[6])+1, (void *)&stat_rdev, sizeof(zval *), NULL);
zend_hash_update(HASH_OF(return_value), stat_sb_names[7], strlen(stat_sb_names[7])+1, (void *)&stat_size, sizeof(zval *), NULL);
zend_hash_update(HASH_OF(return_value), stat_sb_names[8], strlen(stat_sb_names[8])+1, (void *)&stat_atime, sizeof(zval *), NULL);
zend_hash_update(HASH_OF(return_value), stat_sb_names[9], strlen(stat_sb_names[9])+1, (void *)&stat_mtime, sizeof(zval *), NULL);
zend_hash_update(HASH_OF(return_value), stat_sb_names[10], strlen(stat_sb_names[10])+1, (void *)&stat_ctime, sizeof(zval *), NULL);
zend_hash_update(HASH_OF(return_value), stat_sb_names[11], strlen(stat_sb_names[11])+1, (void *)&stat_blksize, sizeof(zval *), NULL);
zend_hash_update(HASH_OF(return_value), stat_sb_names[12], strlen(stat_sb_names[12])+1, (void *)&stat_blocks, sizeof(zval *), NULL);
}
/* }}} */
/* {{{ proto bool copy(string source_file, string destination_file)
Copy a file */
PHP_FUNCTION(copy)
{
zval **source, **target;
if (ZEND_NUM_ARGS() != 2 || zend_get_parameters_ex(2, &source, &target) == FAILURE) {
WRONG_PARAM_COUNT;
}
convert_to_string_ex(source);
convert_to_string_ex(target);
if (PG(safe_mode) &&(!php_checkuid(Z_STRVAL_PP(source), NULL, CHECKUID_CHECK_FILE_AND_DIR))) {
RETURN_FALSE;
}
if (php_check_open_basedir(Z_STRVAL_PP(source) TSRMLS_CC)) {
RETURN_FALSE;
}
if (php_copy_file(Z_STRVAL_PP(source), Z_STRVAL_PP(target) TSRMLS_CC)==SUCCESS) {
RETURN_TRUE;
} else {
RETURN_FALSE;
}
}
/* }}} */
/* {{{ php_copy_file
*/
PHPAPI int php_copy_file(char *src, char *dest TSRMLS_DC)
{
php_stream *srcstream = NULL, *deststream = NULL;
int ret = FAILURE;
struct stat src_s, dest_s;
/* safety check to ensure that source & destination files are not the same file */
if (stat(src, &src_s) || (stat(dest, &dest_s) == 0 && src_s.st_ino == dest_s.st_ino)) {
return ret;
}
srcstream = php_stream_open_wrapper(src, "rb", STREAM_DISABLE_OPEN_BASEDIR | REPORT_ERRORS, NULL);
if (!srcstream) {
return ret;
}
deststream = php_stream_open_wrapper(dest, "wb", ENFORCE_SAFE_MODE | REPORT_ERRORS, NULL);
if (srcstream && deststream) {
ret = php_stream_copy_to_stream(srcstream, deststream, PHP_STREAM_COPY_ALL) == 0 ? FAILURE : SUCCESS;
}
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 **arg1, **arg2;
int len;
php_stream *stream;
if (ZEND_NUM_ARGS() != 2 || zend_get_parameters_ex(2, &arg1, &arg2) == FAILURE) {
WRONG_PARAM_COUNT;
}
PHP_STREAM_TO_ZVAL(stream, arg1);
convert_to_long_ex(arg2);
len = Z_LVAL_PP(arg2);
if (len <= 0) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Length parameter must be greater than 0");
RETURN_FALSE;
}
Z_STRVAL_P(return_value) = emalloc(len + 1);
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 (PG(magic_quotes_runtime)) {
Z_STRVAL_P(return_value) = php_addslashes(Z_STRVAL_P(return_value),
Z_STRLEN_P(return_value), &Z_STRLEN_P(return_value), 1 TSRMLS_CC);
}
Z_TYPE_P(return_value) = IS_STRING;
}
/* }}} */
static const char *php_fgetcsv_lookup_trailing_spaces(const char *ptr, size_t len, const char delimiter TSRMLS_DC)
{
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_mblen(NULL, 0);
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) php_memnstr(Z_STRVAL_PP(field), c, 1, Z_STRVAL_PP(field) + Z_STRLEN_PP(field))
/* {{{ proto int fputcsv(resource fp, array fields [, string delimiter [, string enclosure]])
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 */
php_stream *stream;
int ret;
zval *fp = NULL, *fields = NULL, **field = NULL;
char *delimiter_str = NULL, *enclosure_str = NULL;
int delimiter_str_len, enclosure_str_len;
HashPosition pos;
int count, i = 0;
char enc_double[3];
smart_str csvline = {0};
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r|ass",
&fp, &fields, &delimiter_str, &delimiter_str_len,
&enclosure_str, &enclosure_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 TSRMLS_CC, E_WARNING, "delimiter must be a character");
RETURN_FALSE;
} else if (delimiter_str_len > 1) {
php_error_docref(NULL TSRMLS_CC, 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 TSRMLS_CC, E_WARNING, "enclosure must be a character");
RETURN_FALSE;
} else if (enclosure_str_len > 1) {
php_error_docref(NULL TSRMLS_CC, E_NOTICE, "enclosure must be a single character");
}
/* use first character from string */
enclosure = *enclosure_str;
}
PHP_STREAM_TO_ZVAL(stream, &fp);
enc_double[0] = enclosure;
enc_double[1] = enclosure;
enc_double[2] = '\0';
count = zend_hash_num_elements(Z_ARRVAL_P(fields));
zend_hash_internal_pointer_reset_ex(Z_ARRVAL_P(fields), &pos);
while (zend_hash_get_current_data_ex(Z_ARRVAL_P(fields), (void **) &field, &pos) == SUCCESS) {
if (Z_TYPE_PP(field) != IS_STRING) {
SEPARATE_ZVAL(field);
convert_to_string(*field);
}
/* 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("\n") ||
FPUTCSV_FLD_CHK("\r") || FPUTCSV_FLD_CHK(" ") || FPUTCSV_FLD_CHK("\t")
) {
zval enclosed_field;
smart_str_appendl(&csvline, &enclosure, 1);
php_char_to_str_ex(Z_STRVAL_PP(field), Z_STRLEN_PP(field),
enclosure, enc_double, 2, &enclosed_field, 0, NULL);
smart_str_appendl(&csvline, Z_STRVAL(enclosed_field), Z_STRLEN(enclosed_field));
zval_dtor(&enclosed_field);
smart_str_appendl(&csvline, &enclosure, 1);
} else {
smart_str_appendl(&csvline, Z_STRVAL_PP(field), Z_STRLEN_PP(field));
}
if (++i != count) {
smart_str_appendl(&csvline, &delimiter, 1);
}
zend_hash_move_forward_ex(Z_ARRVAL_P(fields), &pos);
}
smart_str_appendc(&csvline, '\n');
smart_str_0(&csvline);
if (!PG(magic_quotes_runtime)) {
ret = php_stream_write(stream, csvline.c, csvline.len);
} else {
char *buffer = estrndup(csvline.c, csvline.len);
int len = csvline.len;
php_stripslashes(buffer, &len TSRMLS_CC);
ret = php_stream_write(stream, buffer, len);
efree(buffer);
}
smart_str_free(&csvline);
RETURN_LONG(ret);
}
/* }}} */
/* {{{ proto array fgetcsv(resource fp [,int length [, string delimiter [, string enclosure]]])
Get line from file pointer and parse for CSV fields */
PHP_FUNCTION(fgetcsv)
{
char *temp, *tptr, *bptr, *line_end, *limit;
char delimiter = ','; /* allow this to be set as parameter */
char enclosure = '"'; /* allow this to be set as parameter */
const char escape_char = '\\';
/* first section exactly as php_fgetss */
long len = 0;
size_t buf_len, temp_len, line_end_len;
char *buf;
php_stream *stream;
int inc_len;
{
zval *fd, **len_zv = NULL;
char *delimiter_str = NULL;
int delimiter_str_len = 0;
char *enclosure_str = NULL;
int enclosure_str_len = 0;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r|Zss",
&fd, &len_zv, &delimiter_str, &delimiter_str_len,
&enclosure_str, &enclosure_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 TSRMLS_CC, E_WARNING, "delimiter must be a character");
RETURN_FALSE;
}
/* use first character from string */
delimiter = delimiter_str[0];
}
if (enclosure_str != NULL) {
if (enclosure_str_len < 1) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "enclosure must be a character");
RETURN_FALSE;
}
/* use first character from string */
enclosure = enclosure_str[0];
}
if (len_zv != NULL && Z_TYPE_PP(len_zv) != IS_NULL) {
convert_to_long_ex(len_zv);
len = Z_LVAL_PP(len_zv);
if (len < 0) {
php_error_docref(NULL TSRMLS_CC, 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;
}
}
/* initialize internal state */
php_mblen(NULL, 0);
/* 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 TSRMLS_CC);
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;
/* 1. Strip any leading space */
for (;;) {
inc_len = (bptr < limit ? (*bptr == '\0' ? 1: php_mblen(bptr, limit - bptr)): 0);
switch (inc_len) {
case -2:
case -1:
inc_len = 1;
php_mblen(NULL, 0);
break;
case 0:
goto quit_loop_1;
case 1:
if (!isspace((int)*(unsigned char *)bptr) || *bptr == delimiter) {
goto quit_loop_1;
}
break;
default:
goto quit_loop_1;
}
bptr += inc_len;
}
quit_loop_1:
/* 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;
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 ((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 TSRMLS_CC);
line_end_len = buf_len - (size_t)(limit - buf);
state = 0;
} break;
}
break;
case -2:
case -1:
php_mblen(NULL, 0);
/* 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 == escape_char) {
state = 1;
} else if (*bptr == enclosure) {
state = 2;
}
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;
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_mblen(NULL, 0);
/* 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_mblen(NULL, 0);
/* 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 TSRMLS_CC);
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, 1);
} while (inc_len > 0);
out:
efree(temp);
efree(buf);
}
/* }}} */
#if (!defined(__BEOS__) && !defined(NETWARE) && HAVE_REALPATH) || defined(ZTS)
/* {{{ proto string realpath(string path)
Return the resolved path */
PHP_FUNCTION(realpath)
{
zval **path;
char resolved_path_buff[MAXPATHLEN];
if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(ZEND_NUM_ARGS(), &path) == FAILURE) {
WRONG_PARAM_COUNT;
}
convert_to_string_ex(path);
if (VCWD_REALPATH(Z_STRVAL_PP(path), resolved_path_buff)) {
#ifdef ZTS
if (VCWD_ACCESS(resolved_path_buff, F_OK)) {
RETURN_FALSE;
}
#endif
RETURN_STRING(resolved_path_buff, 1);
} 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 TSRMLS_DC)
{
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;
int pattern_len, filename_len;
long flags = 0;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss|l",
&pattern, &pattern_len,
&filename, &filename_len,
&flags)
== FAILURE)
return;
RETURN_BOOL( ! fnmatch( pattern, filename, flags ));
}
/* }}} */
#endif
/*
* 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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