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file.c
2282 lines (1895 loc) · 58.8 KB
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file.c
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/*
+----------------------------------------------------------------------+
| PHP Version 4 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2002 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 2.02 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available at through the world-wide-web at |
| http://www.php.net/license/2_02.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@fast.no> |
| 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 <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#ifdef PHP_WIN32
#include <windows.h>
#include <winsock.h>
#define O_RDONLY _O_RDONLY
#include "win32/param.h"
#include "win32/winutil.h"
#else
#include <sys/param.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#if HAVE_ARPA_INET_H
#include <arpa/inet.h>
#endif
#endif
#include "ext/standard/head.h"
#include "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 "php_streams.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
#ifndef MAP_FAILED
#define MAP_FAILED ((void *) -1)
#endif
#include "scanf.h"
#include "zend_API.h"
#ifdef ZTS
int file_globals_id;
#else
php_file_globals file_globals;
#endif
#ifdef HAVE_FNMATCH
#include <fnmatch.h>
#endif
/* }}} */
/* {{{ ZTS-stuff / Globals / Prototypes */
/* sharing globals is *evil* */
static int le_stream = FAILURE;
static int le_stream_context = FAILURE;
/* }}} */
/* {{{ Module-Stuff */
static ZEND_RSRC_DTOR_FUNC(file_context_dtor)
{
php_stream_context_free((php_stream_context*)rsrc->ptr);
}
static void _file_stream_dtor(zend_rsrc_list_entry *rsrc TSRMLS_DC)
{
php_stream *stream = (php_stream*)rsrc->ptr;
/* the stream might be a pipe, so set the return value for pclose */
FG(pclose_ret) = php_stream_free(stream, PHP_STREAM_FREE_CLOSE | PHP_STREAM_FREE_RSRC_DTOR);
}
PHPAPI int php_file_le_stream(void)
{
return le_stream;
}
static void file_globals_ctor(php_file_globals *file_globals_p TSRMLS_DC)
{
zend_hash_init(&FG(ht_persistent_socks), 0, NULL, NULL, 1);
FG(pclose_ret) = 0;
FG(def_chunk_size) = PHP_SOCK_CHUNK_SIZE;
}
static void file_globals_dtor(php_file_globals *file_globals_p TSRMLS_DC)
{
zend_hash_destroy(&FG(ht_persistent_socks));
}
PHP_MINIT_FUNCTION(file)
{
le_stream = zend_register_list_destructors_ex(_file_stream_dtor, NULL, "stream", module_number);
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_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_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);
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, **arg2, **arg3;
int type, fd, act, ret, arg_count = ZEND_NUM_ARGS();
void *what;
if (arg_count > 3 || zend_get_parameters_ex(arg_count, &arg1, &arg2, &arg3) == FAILURE) {
WRONG_PARAM_COUNT;
}
what = zend_fetch_resource(arg1 TSRMLS_CC, -1, "File-Handle", &type, 1, le_stream);
ZEND_VERIFY_RESOURCE(what);
if (php_stream_cast((php_stream*)what, PHP_STREAM_AS_FD, (void*)&fd, 1) == FAILURE) {
RETURN_FALSE;
}
convert_to_long_ex(arg2);
act = Z_LVAL_PP(arg2) & 3;
if (act < 1 || act > 3) {
php_error(E_WARNING, "Illegal operation argument");
RETURN_FALSE;
}
/* flock_values contains all possible actions
if (arg2 & 4) we won't block on the lock */
act = flock_values[act - 1] | (Z_LVAL_PP(arg2) & 4 ? LOCK_NB : 0);
if ((ret=flock(fd, act)) == -1) {
RETURN_FALSE;
}
if(ret == -1 && errno == EWOULDBLOCK && arg_count == 3) {
ZVAL_LONG(*arg3, 1);
}
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;
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;
}
php_stream_open_wrapper(filename, "rb", 0, NULL);
md.stream = php_stream_open_wrapper(filename, "rb",
use_include_path | 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, empty_string, 0);
}
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])
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;
/* Parse arguments */
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|b",
&filename, &filename_len, &use_include_path) == FAILURE) {
return;
}
stream = php_stream_open_wrapper(filename, "rb",
use_include_path | ENFORCE_SAFE_MODE | REPORT_ERRORS,
NULL);
if (!stream) {
RETURN_FALSE;
}
/* uses mmap if possible */
if ((len = php_stream_copy_to_mem(stream, &contents, PHP_STREAM_COPY_ALL, 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 {
RETVAL_FALSE;
}
php_stream_close(stream);
}
/* }}} */
/* {{{ proto array file(string filename [, bool use_include_path])
Read entire file into an array */
#define PHP_FILE_BUF_SIZE 80
PHP_FUNCTION(file)
{
char *filename;
int filename_len;
char *slashed, *target_buf;
register int i = 0;
int target_len, len;
zend_bool use_include_path = 0;
zend_bool reached_eof = 0;
php_stream *stream;
/* Parse arguments */
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|b",
&filename, &filename_len, &use_include_path) == FAILURE) {
return;
}
stream = php_stream_open_wrapper(filename, "rb",
use_include_path | ENFORCE_SAFE_MODE | REPORT_ERRORS,
NULL);
if (!stream) {
RETURN_FALSE;
}
/* Initialize return array */
array_init(return_value);
/* Now loop through the file and do the magic quotes thing if needed */
target_len = 0;
target_buf = NULL;
while (1) {
if (!target_buf) {
target_buf = (char *) emalloc(PHP_FILE_BUF_SIZE+1);
target_buf[PHP_FILE_BUF_SIZE] = 0; /* avoid overflows */
} else {
target_buf = (char *) erealloc(target_buf, target_len+PHP_FILE_BUF_SIZE+1);
target_buf[target_len+PHP_FILE_BUF_SIZE] = 0; /* avoid overflows */
}
if (php_stream_gets(stream, target_buf+target_len, PHP_FILE_BUF_SIZE)==NULL) {
if (target_len==0) {
efree(target_buf);
break;
} else {
reached_eof = 1;
}
}
if (!reached_eof) {
target_len += strlen(target_buf+target_len);
if (target_buf[target_len-1] != '\n') {
continue;
}
}
if (PG(magic_quotes_runtime)) {
slashed = php_addslashes(target_buf, target_len, &len, 1 TSRMLS_CC); /* 1 = free source string */
add_index_stringl(return_value, i++, slashed, len, 0);
} else {
target_buf = erealloc(target_buf, target_len+1); /* do we really want to do that? */
add_index_stringl(return_value, i++, target_buf, target_len, 0);
}
if (reached_eof) {
break;
}
target_buf = NULL;
target_len = 0;
}
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];
FILE *fp;
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);
d = estrndup(Z_STRVAL_PP(arg1), Z_STRLEN_PP(arg1));
strlcpy(p, Z_STRVAL_PP(arg2), sizeof(p));
if ((fp = php_open_temporary_file(d, p, &opened_path TSRMLS_CC))) {
fclose(fp);
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 file_get_wrapper_data(resource fp)
*/
PHP_FUNCTION(file_get_wrapper_data)
{
zval **arg1;
php_stream *stream;
if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &arg1) == FAILURE) {
WRONG_PARAM_COUNT;
}
stream = (php_stream*)zend_fetch_resource(arg1 TSRMLS_CC, -1, "File-Handle", NULL, 1, le_stream);
ZEND_VERIFY_RESOURCE(stream);
if (stream->wrapperdata) {
*return_value = *(stream->wrapperdata);
zval_copy_ctor(return_value);
}
else
RETURN_FALSE;
}
/* }}} */
/* {{{ stream_context related functions */
static void user_space_stream_notifier(php_stream_context *context, int notifycode, int severity,
char *xmsg, int xcode, size_t bytes_sofar, size_t bytes_max, void * ptr TSRMLS_DC)
{
zval *callback = (zval*)context->notifier->ptr;
zval *retval = NULL;
zval zvs[6];
zval *ps[6];
zval **ptps[6];
int i;
for (i = 0; i < 6; i++) {
INIT_ZVAL(zvs[i]);
ps[i] = &zvs[i];
ptps[i] = &ps[i];
}
ZVAL_LONG(ps[0], notifycode);
ZVAL_LONG(ps[1], severity);
if (xmsg) {
ZVAL_STRING(ps[2], xmsg, 0);
} else {
ZVAL_NULL(ps[2]);
}
ZVAL_LONG(ps[3], xcode);
ZVAL_LONG(ps[4], bytes_sofar);
ZVAL_LONG(ps[5], bytes_max);
if (FAILURE == call_user_function_ex(EG(function_table), NULL, callback, &retval, 6, ptps, 0, NULL TSRMLS_CC)) {
zend_error(E_WARNING, "failed to call user notifier");
}
if (retval)
zval_ptr_dtor(&retval);
}
static int parse_context_options(php_stream_context *context, zval *options)
{
HashPosition pos, opos;
zval **wval, **oval;
char *wkey, *okey;
int wkey_len, okey_len;
int ret = SUCCESS;
zend_hash_internal_pointer_reset_ex(Z_ARRVAL_P(options), &pos);
while (SUCCESS == zend_hash_get_current_data_ex(Z_ARRVAL_P(options), (void**)&wval, &pos)) {
if (HASH_KEY_IS_STRING == zend_hash_get_current_key_ex(Z_ARRVAL_P(options), &wkey, &wkey_len, NULL, 0, &pos)
&& Z_TYPE_PP(wval) == IS_ARRAY) {
zend_hash_internal_pointer_reset_ex(Z_ARRVAL_PP(wval), &opos);
while (SUCCESS == zend_hash_get_current_data_ex(Z_ARRVAL_PP(wval), (void**)&oval, &opos)) {
if (HASH_KEY_IS_STRING == zend_hash_get_current_key_ex(Z_ARRVAL_PP(wval), &okey, &okey_len, NULL, 0, &opos)) {
ZVAL_ADDREF(*oval);
php_stream_context_set_option(context, wkey, okey, *oval);
}
zend_hash_move_forward_ex(Z_ARRVAL_PP(wval), &opos);
}
} else {
zend_error(E_WARNING, "options should have the form [\"wrappername\"][\"optionname\"] = $value");
}
zend_hash_move_forward_ex(Z_ARRVAL_P(options), &pos);
}
return ret;
}
static int parse_context_params(php_stream_context *context, zval *params)
{
int ret = SUCCESS;
zval **tmp;
if (SUCCESS == zend_hash_find(Z_ARRVAL_P(params), "notification", sizeof("notification"), (void**)&tmp)) {
if (context->notifier) {
php_stream_notification_free(context->notifier);
context->notifier = NULL;
}
context->notifier = php_stream_notification_alloc();
context->notifier->func = user_space_stream_notifier;
context->notifier->ptr = *tmp;
ZVAL_ADDREF(*tmp);
}
if (SUCCESS == zend_hash_find(Z_ARRVAL_P(params), "options", sizeof("options"), (void**)&tmp)) {
parse_context_options(context, *tmp);
}
return ret;
}
/* given a zval which is either a stream or a context, return the underlying
* stream_context. If it is a stream that does not have a context assigned, it
* will create and assign a context and return that. */
static php_stream_context *decode_context_param(zval *contextresource TSRMLS_DC) {
php_stream_context *context = NULL; void *what; int type;
what = zend_fetch_resource(&contextresource TSRMLS_CC, -1, "Stream-Context", &type, 2, le_stream_context, le_stream);
if (what && type == le_stream) {
php_stream *stream = (php_stream*)what;
context = stream->context;
if (context == NULL)
context = stream->context = php_stream_context_alloc();
} else if (what && type == le_stream_context) {
context = (php_stream_context*)what;
}
return context;
}
/* }}} */
/* {{{ proto array stream_context_get_options(resource context|resource stream)
Retrieve options for a stream/wrapper/context */
PHP_FUNCTION(stream_context_get_options)
{
zval *zcontext;
php_stream_context *context;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &zcontext) == FAILURE) {
RETURN_FALSE;
}
context = decode_context_param(zcontext TSRMLS_CC);
ZEND_VERIFY_RESOURCE(context);
array_init(return_value);
*return_value = *context->options;
zval_copy_ctor(return_value);
}
/* }}} */
/* {{{ proto bool stream_context_set_option(resource context|resource stream, string wrappername, string optionname, mixed value)
Set an option for a wrapper */
PHP_FUNCTION(stream_context_set_option)
{
zval *options = NULL, *zcontext = NULL, *zvalue = NULL;
php_stream_context *context;
char *wrappername, *optionname;
long wrapperlen, optionlen;
if (zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET, ZEND_NUM_ARGS() TSRMLS_CC,
"rssz", &zcontext, &wrappername, &wrapperlen,
&optionname, &optionlen, &zvalue) == FAILURE) {
if (zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET, ZEND_NUM_ARGS() TSRMLS_CC,
"ra", &zcontext, &options) == FAILURE) {
zend_error(E_WARNING, "%s() called with wrong number or type of parameters; please RTM",
get_active_function_name(TSRMLS_C));
RETURN_FALSE;
}
}
/* figure out where the context is coming from exactly */
context = decode_context_param(zcontext TSRMLS_CC);
ZEND_VERIFY_RESOURCE(context);
if (options) {
/* handle the array syntax */
RETVAL_BOOL(parse_context_options(context, options) == SUCCESS);
} else {
ZVAL_ADDREF(zvalue);
php_stream_context_set_option(context, wrappername, optionname, zvalue);
RETVAL_TRUE;
}
}
/* }}} */
/* {{{ proto bool stream_context_set_params(resource context|resource stream, array options)
Set parameters for a file context */
PHP_FUNCTION(stream_context_set_params)
{
zval *params, *zcontext;
php_stream_context *context;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ra", &zcontext, ¶ms) == FAILURE) {
RETURN_FALSE;
}
context = decode_context_param(zcontext TSRMLS_CC);
ZEND_VERIFY_RESOURCE(context);
RETVAL_BOOL(parse_context_params(context, params) == SUCCESS);
}
/* }}} */
/* {{{ proto resource stream_context_create([array options])
Create a file context and optionally set parameters */
PHP_FUNCTION(stream_context_create)
{
zval *params = NULL;
php_stream_context *context;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|a", ¶ms) == FAILURE) {
RETURN_FALSE;
}
context = php_stream_context_alloc();
if (params)
parse_context_options(context, params);
ZEND_REGISTER_RESOURCE(return_value, context, le_stream_context);
}
/* }}} */
/* {{{ 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;
}
if (zcontext) {
context = (php_stream_context*)zend_fetch_resource(&zcontext TSRMLS_CC, -1, "Stream-Context", NULL, 1, le_stream_context);
ZEND_VERIFY_RESOURCE(context);
}
stream = php_stream_open_wrapper_ex(filename, mode,
use_include_path | ENFORCE_SAFE_MODE | REPORT_ERRORS,
NULL, context);
if (stream == NULL) {
RETURN_FALSE;
}
php_stream_to_zval(stream, return_value);
return;
}
/* }}} */
/* {{{ proto bool fclose(resource fp)
Close an open file pointer */
PHPAPI PHP_FUNCTION(fclose)
{
zval **arg1;
int type;
void *what;
if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &arg1) == FAILURE) {
WRONG_PARAM_COUNT;
}
what = zend_fetch_resource(arg1 TSRMLS_CC, -1, "File-Handle", &type, 1, le_stream);
ZEND_VERIFY_RESOURCE(what);
zend_list_delete(Z_LVAL_PP(arg1));
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[1024];
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));
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) {
snprintf(buf, sizeof(buf), "%s%s", PG(safe_mode_exec_dir), b);
} else {
snprintf(buf, sizeof(buf), "%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(E_WARNING, "popen(\"%s\", \"%s\") - %s", buf, p, strerror(errno));
RETURN_FALSE;
}
} else {
fp = VCWD_POPEN(Z_STRVAL_PP(arg1), p);
if (!fp) {
php_error(E_WARNING, "popen(\"%s\", \"%s\") - %s", Z_STRVAL_PP(arg1), p, strerror(errno));
efree(p);
RETURN_FALSE;
}
}
stream = php_stream_fopen_from_pipe(fp, p);
if (stream == NULL) {
zend_error(E_WARNING, "popen(\"%s\", \"%s\"): %s", Z_STRVAL_PP(arg1), p, 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;
void *what;
int type;
if (ARG_COUNT(ht) != 1 || zend_get_parameters_ex(1, &arg1) == FAILURE) {
WRONG_PARAM_COUNT;
}
what = zend_fetch_resource(arg1 TSRMLS_CC,-1, "File-Handle", &type, 1, le_stream);
ZEND_VERIFY_RESOURCE(what);
zend_list_delete(Z_LVAL_PP(arg1));
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;
int type;
void *what;
if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &arg1) == FAILURE) {
WRONG_PARAM_COUNT;
}
what = zend_fetch_resource(arg1 TSRMLS_CC, -1, "File-Handle", &type, 1, le_stream);
ZEND_VERIFY_RESOURCE(what);
if (type == le_stream) {
if (php_stream_eof((php_stream *) what)) {
RETURN_TRUE;
}
RETURN_FALSE;
}
RETURN_FALSE;
}
/* }}} */
/* TODO: move to main/network.c */
PHPAPI int php_set_sock_blocking(int socketd, int block)
{
int ret = SUCCESS;
int flags;
int myflag = 0;
#ifdef PHP_WIN32
/* with ioctlsocket, a non-zero sets nonblocking, a zero sets blocking */
flags = !block;
if (ioctlsocket(socketd, FIONBIO, &flags)==SOCKET_ERROR){
php_error(E_WARNING, "%s", WSAGetLastError());
ret = FALSE;
}
#else
flags = fcntl(socketd, F_GETFL);
#ifdef O_NONBLOCK
myflag = O_NONBLOCK; /* POSIX version */
#elif defined(O_NDELAY)
myflag = O_NDELAY; /* old non-POSIX version */
#endif
if (!block) {
flags |= myflag;
} else {
flags &= ~myflag;
}
fcntl(socketd, F_SETFL, flags);
#endif
return ret;
}
/* {{{ proto bool socket_set_blocking(resource socket, int mode)
Set blocking/non-blocking mode on a socket */
PHP_FUNCTION(socket_set_blocking)
{
zval **arg1, **arg2;
int block, type;
int socketd = 0;
void *what;
if (ZEND_NUM_ARGS() != 2 || zend_get_parameters_ex(2, &arg1, &arg2) == FAILURE) {
WRONG_PARAM_COUNT;
}
what = zend_fetch_resource(arg1 TSRMLS_CC, -1, "File-Handle", &type, 1, le_stream);
ZEND_VERIFY_RESOURCE(what);