/* +----------------------------------------------------------------------+ | 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. | +----------------------------------------------------------------------+ | Author: Zeev Suraski | +----------------------------------------------------------------------+ */ #include "php.h" #include #include #include #include #ifdef PHP_WIN32 #include #include #define O_RDONLY _O_RDONLY #include "win32/param.h" #include "win32/winutil.h" #else #include #include #include #include #if HAVE_ARPA_INET_H #include #endif #endif #ifdef HAVE_SYS_TIME_H #include #endif #ifdef HAVE_SYS_FILE_H #include #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 FILE *php_do_open_temporary_file(const char *path, const char *pfx, char **opened_path_p TSRMLS_DC) { char *trailing_slash; FILE *fp; char *opened_path; #ifndef PHP_WIN32 int fd; #endif 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 = VCWD_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 = VCWD_FOPEN(opened_path, "wb"); } else { fp = NULL; } #endif if (!fp || !opened_path_p) { efree(opened_path); } else { *opened_path_p = opened_path; } return fp; } /* }}} */ /* * Determine where to place temporary files. */ const char* get_temporary_directory() { /* Cache the chosen temporary directory. */ static char* temporary_directory; /* 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 n = GetTempPath(sizeof(sTemp),sTemp); assert(0 < n); /* should *never* fail! */ temporary_directory = strdup(sTemp); return temporary_directory; } #else /* On Unix use the (usual) TMPDIR environment variable. */ { char* s = getenv("TMPDIR"); if (s) { temporary_directory = strdup(s); return temporary_directory; } } #ifdef P_tmpdir /* Use the standard default temporary directory. */ if (P_tmpdir) { temporary_directory = P_tmpdir; return temporary_directory; } #endif /* Shouldn't ever(!) end up here ... last ditch default. */ temporary_directory = "/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 FILE *php_open_temporary_file(const char *dir, const char *pfx, char **opened_path_p TSRMLS_DC) { FILE* fp = 0; if (!pfx) { pfx = "tmp."; } if (opened_path_p) { *opened_path_p = NULL; } /* Try the directory given as parameter. */ fp = php_do_open_temporary_file(dir, pfx, opened_path_p TSRMLS_CC); if (fp) { return fp; } /* Use default temporary directory. */ fp = php_do_open_temporary_file(get_temporary_directory(), pfx, opened_path_p TSRMLS_CC); if (fp) { return fp; } return 0; } /* }}} */ /* * Local variables: * tab-width: 4 * c-basic-offset: 4 * End: * vim600: sw=4 ts=4 fdm=marker * vim<600: sw=4 ts=4 */