Imported from /home/lorry/working-area/delta_php2/php-5.4.13.tar.bz2.HEADphp-5.4.13master

1 files changed, 314 insertions, 0 deletions

diff --git a/main/php_open_temporary_file.c b/main/php_open_temporary_file.c
new file mode 100644
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+++ b/main/php_open_temporary_file.c
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+/*
+   +----------------------------------------------------------------------+
+   | PHP Version 5                                                        |
+   +----------------------------------------------------------------------+
+   | Copyright (c) 1997-2013 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.               |
+   +----------------------------------------------------------------------+
+   | Author: Zeev Suraski <zeev@zend.com>                                 |
+   +----------------------------------------------------------------------+
+ */
+
+/* $Id$ */
+
+#include "php.h"
+
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#ifdef PHP_WIN32
+#define O_RDONLY _O_RDONLY
+#include "win32/param.h"
+#include "win32/winutil.h"
+#elif defined(NETWARE)
+#ifdef USE_WINSOCK
+#include <novsock2.h>
+#else
+#include <sys/socket.h>
+#endif
+#include <sys/param.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
+#ifdef HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif
+
+#ifdef HAVE_SYS_FILE_H
+#include <sys/file.h>
+#endif
+
+#if !defined(P_tmpdir)
+#define P_tmpdir ""
+#endif
+
+/* {{{ php_do_open_temporary_file */
+
+/* Loosely based on a tempnam() implementation by UCLA */
+
+/*
+ * Copyright (c) 1988, 1993
+ *      The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed by the University of
+ *      California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+static int php_do_open_temporary_file(const char *path, const char *pfx, char **opened_path_p TSRMLS_DC)
+{
+	char *trailing_slash;
+	char *opened_path;
+	char cwd[MAXPATHLEN];
+	cwd_state new_state;
+	int fd = -1;
+#ifndef HAVE_MKSTEMP
+	int open_flags = O_CREAT | O_TRUNC | O_RDWR
+#ifdef PHP_WIN32
+		| _O_BINARY
+#endif
+		;
+#endif
+
+	if (!path || !path[0]) {
+		return -1;
+	}
+
+#ifdef PHP_WIN32
+	if (!php_win32_check_trailing_space(pfx, (const int)strlen(pfx))) {
+		SetLastError(ERROR_INVALID_NAME);
+		return -1;
+	}
+#endif
+
+	if (!VCWD_GETCWD(cwd, MAXPATHLEN)) {
+		cwd[0] = '\0';
+	}
+
+	new_state.cwd = strdup(cwd);
+	new_state.cwd_length = strlen(cwd);
+
+	if (virtual_file_ex(&new_state, path, NULL, CWD_REALPATH TSRMLS_CC)) {
+		free(new_state.cwd);
+		return -1;
+	}
+
+	if (IS_SLASH(new_state.cwd[new_state.cwd_length - 1])) {
+		trailing_slash = "";
+	} else {
+		trailing_slash = "/";
+	}
+
+	if (spprintf(&opened_path, 0, "%s%s%sXXXXXX", new_state.cwd, trailing_slash, pfx) >= MAXPATHLEN) {
+		efree(opened_path);
+		free(new_state.cwd);
+		return -1;
+	}
+
+#ifdef PHP_WIN32
+
+	if (GetTempFileName(new_state.cwd, pfx, 0, opened_path)) {
+		/* Some versions of windows set the temp file to be read-only,
+		 * which means that opening it will fail... */
+		if (VCWD_CHMOD(opened_path, 0600)) {
+			efree(opened_path);
+			free(new_state.cwd);
+			return -1;
+		}
+		fd = VCWD_OPEN_MODE(opened_path, open_flags, 0600);
+	}
+
+#elif defined(HAVE_MKSTEMP)
+	fd = mkstemp(opened_path);
+#else
+	if (mktemp(opened_path)) {
+		fd = VCWD_OPEN(opened_path, open_flags);
+	}
+#endif
+
+	if (fd == -1 || !opened_path_p) {
+		efree(opened_path);
+	} else {
+		*opened_path_p = opened_path;
+	}
+	free(new_state.cwd);
+	return fd;
+}
+/* }}} */
+
+/* Cache the chosen temporary directory. */
+static char* temporary_directory;
+
+PHPAPI void php_shutdown_temporary_directory(void)
+{
+	if (temporary_directory) {
+		free(temporary_directory);
+		temporary_directory = NULL;
+	}
+}
+
+/*
+ *  Determine where to place temporary files.
+ */
+PHPAPI const char* php_get_temporary_directory(void)
+{
+	/* Did we determine the temporary directory already? */
+	if (temporary_directory) {
+		return temporary_directory;
+	}
+
+#ifdef PHP_WIN32
+	/* We can't count on the environment variables TEMP or TMP,
+	 * and so must make the Win32 API call to get the default
+	 * directory for temporary files.  Note this call checks
+	 * the environment values TMP and TEMP (in order) first.
+	 */
+	{
+		char sTemp[MAX_PATH];
+		DWORD len = GetTempPath(sizeof(sTemp),sTemp);
+		assert(0 < len);  /* should *never* fail! */
+		if (sTemp[len - 1] == DEFAULT_SLASH) {
+			temporary_directory = zend_strndup(sTemp, len - 1);
+		} else {
+			temporary_directory = zend_strndup(sTemp, len);
+		}
+		return temporary_directory;
+	}
+#else
+	/* On Unix use the (usual) TMPDIR environment variable. */
+	{
+		char* s = getenv("TMPDIR");
+		if (s && *s) {
+			int len = strlen(s);
+
+			if (s[len - 1] == DEFAULT_SLASH) {
+				temporary_directory = zend_strndup(s, len - 1);
+			} else {
+				temporary_directory = zend_strndup(s, len);
+			}
+
+			return temporary_directory;
+		}
+	}
+#ifdef P_tmpdir
+	/* Use the standard default temporary directory. */
+	if (P_tmpdir) {
+		temporary_directory = strdup(P_tmpdir);
+		return temporary_directory;
+	}
+#endif
+	/* Shouldn't ever(!) end up here ... last ditch default. */
+	temporary_directory = strdup("/tmp");
+	return temporary_directory;
+#endif
+}
+
+/* {{{ php_open_temporary_file
+ *
+ * Unlike tempnam(), the supplied dir argument takes precedence
+ * over the TMPDIR environment variable
+ * This function should do its best to return a file pointer to a newly created
+ * unique file, on every platform.
+ */
+PHPAPI int php_open_temporary_fd_ex(const char *dir, const char *pfx, char **opened_path_p, zend_bool open_basedir_check TSRMLS_DC)
+{
+	int fd;
+	const char *temp_dir;
+
+	if (!pfx) {
+		pfx = "tmp.";
+	}
+	if (opened_path_p) {
+		*opened_path_p = NULL;
+	}
+
+	if (!dir || *dir == '\0') {
+def_tmp:
+		temp_dir = php_get_temporary_directory();
+
+		if (temp_dir && *temp_dir != '\0' && (!open_basedir_check || !php_check_open_basedir(temp_dir TSRMLS_CC))) {
+			return php_do_open_temporary_file(temp_dir, pfx, opened_path_p TSRMLS_CC);
+		} else {
+			return -1;
+		}
+	}
+
+	/* Try the directory given as parameter. */
+	fd = php_do_open_temporary_file(dir, pfx, opened_path_p TSRMLS_CC);
+	if (fd == -1) {
+		/* Use default temporary directory. */
+		goto def_tmp;
+	}
+	return fd;
+}
+
+PHPAPI int php_open_temporary_fd(const char *dir, const char *pfx, char **opened_path_p TSRMLS_DC)
+{
+	return php_open_temporary_fd_ex(dir, pfx, opened_path_p, 0 TSRMLS_CC);
+}
+
+PHPAPI FILE *php_open_temporary_file(const char *dir, const char *pfx, char **opened_path_p TSRMLS_DC)
+{
+	FILE *fp;
+	int fd = php_open_temporary_fd(dir, pfx, opened_path_p TSRMLS_CC);
+
+	if (fd == -1) {
+		return NULL;
+	}
+	
+	fp = fdopen(fd, "r+b");
+	if (fp == NULL) {
+		close(fd);
+	}
+	
+	return fp;
+}
+/* }}} */
+
+/*
+ * Local variables:
+ * tab-width: 4
+ * c-basic-offset: 4
+ * End:
+ * vim600: sw=4 ts=4 fdm=marker
+ * vim<600: sw=4 ts=4
+ */