diff options
Diffstat (limited to 'main/php_open_temporary_file.c')
| -rw-r--r-- | main/php_open_temporary_file.c | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/main/php_open_temporary_file.c b/main/php_open_temporary_file.c new file mode 100644 index 0000000000..6eee405aa4 --- /dev/null +++ b/main/php_open_temporary_file.c @@ -0,0 +1,202 @@ +/* + +----------------------------------------------------------------------+ + | PHP version 4.0 | + +----------------------------------------------------------------------+ + | Copyright (c) 1997, 1998, 1999, 2000 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: Zeev Suraski <zeev@zend.com> | + +----------------------------------------------------------------------+ + */ + +#include "php.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> +#include <arpa/inet.h> +#endif +#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 + +#ifdef HAVE_SYS_FILE_H +#include <sys/file.h> +#endif + +/* {{{ php_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. + */ + +#ifdef HAVE_UNISTD_H +# include <unistd.h> +#endif + +#ifndef MAXPATHLEN +# ifdef PATH_MAX +# define MAXPATHLEN PATH_MAX +# else +# define MAXPATHLEN 255 +# endif +#endif + +static FILE *php_do_open_temporary_file(char *path, const char *pfx, char **opened_path_p) +{ + char *trailing_slash; + FILE *fp; + char *opened_path; + int fd; + + if (!path) { + return NULL; + } + + if (!(opened_path = emalloc(MAXPATHLEN))) { + return NULL; + } + + if (*path+strlen(path)-1 == '/') { + trailing_slash = ""; + } else { + trailing_slash = "/"; + } + + (void)snprintf(opened_path, MAXPATHLEN, "%s%s%sXXXXXX", path, trailing_slash, pfx); + +#ifdef PHP_WIN32 + if (GetTempFileName(path, pfx, 0, opened_path)) { + fp = V_FOPEN(opened_path, "wb"); + } else { + fp = NULL; + } +#elif defined(HAVE_MKSTEMP) + fd = mkstemp(opened_path); + if (fd==-1) { + fp = NULL; + } else { + fp = fdopen(fd, "wb"); + } +#else + if (mktemp(opened_path)) { + fp = V_FOPEN(opened_path, "wb"); + } else { + fp = NULL; + } +#endif + if (!fp || !opened_path_p) { + efree(opened_path); + } else { + *opened_path_p = opened_path; + } + return fp; +} + +/* 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. + */ +FILE *php_open_temporary_file(const char *dir, const char *pfx, char **opened_path_p) +{ + static char path_tmp[] = "/tmp"; + FILE *fp; + + + if (!pfx) { + pfx = "tmp."; + } + + if (opened_path_p) { + *opened_path_p = NULL; + } + + if ((fp=php_do_open_temporary_file((char *) dir, pfx, opened_path_p))) { + return fp; + } + + if ((fp=php_do_open_temporary_file(getenv("TMPDIR"), pfx, opened_path_p))) { + return fp; + } +#if PHP_WIN32 + { + char *TempPath; + + TempPath = (char *) emalloc(MAXPATHLEN); + if (GetTempPath(MAXPATHLEN, TempPath)) { + fp = php_do_open_temporary_file(TempPath, pfx, opened_path_p); + } + efree(TempPath); + return fp; + } +#else + if ((fp=php_do_open_temporary_file(P_tmpdir, pfx, opened_path_p))) { + return fp; + } + + if ((fp=php_do_open_temporary_file(path_tmp, pfx, opened_path_p))) { + return fp; + } +#endif + + return NULL; +} |