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//usr/include/php4/TSRM/tsrm_virtual_cwd.h
/* +----------------------------------------------------------------------+ | PHP Version 4 | +----------------------------------------------------------------------+ | Copyright (c) 1997-2008 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. | +----------------------------------------------------------------------+ | Authors: Andi Gutmans <andi@zend.com> | | Sascha Schumann <sascha@schumann.cx> | +----------------------------------------------------------------------+ */ /* $Id: tsrm_virtual_cwd.h,v 1.25.2.10.2.5 2007/12/31 07:22:45 sebastian Exp $ */ #ifndef VIRTUAL_CWD_H #define VIRTUAL_CWD_H #include "TSRM.h" #include "tsrm_config_common.h" #include <sys/types.h> #include <sys/stat.h> #include <ctype.h> #ifdef HAVE_UTIME_H #include <utime.h> #endif #ifdef HAVE_STDARG_H #include <stdarg.h> #endif #ifndef TSRM_WIN32 #include <unistd.h> #endif #if defined(__osf__) || defined(_AIX) #include <errno.h> #endif #ifdef TSRM_WIN32 #include "readdir.h" #include <sys/utime.h> /* mode_t isn't defined on Windows */ typedef unsigned short mode_t; #define DEFAULT_SLASH '\\' #define DEFAULT_DIR_SEPARATOR ';' #define IS_SLASH(c) ((c) == '/' || (c) == '\\') #define IS_SLASH_P(c) (*(c) == '/' || \ (*(c) == '\\' && !IsDBCSLeadByte(*(c-1)))) /* COPY_WHEN_ABSOLUTE also takes path as argument because netware needs it * to account for volume name that is unique to NetWare absolute paths */ #define COPY_WHEN_ABSOLUTE(path) 2 #define IS_UNC_PATH(path, len) \ (len >= 2 && IS_SLASH(path[0]) && IS_SLASH(path[1])) #define IS_ABSOLUTE_PATH(path, len) \ (len >= 2 && ((isalpha(path[0]) && path[1] == ':') || IS_UNC_PATH(path, len))) #elif defined(NETWARE) #ifdef HAVE_DIRENT_H #include <dirent.h> #endif #define DEFAULT_SLASH '/' #define DEFAULT_DIR_SEPARATOR ';' #define IS_SLASH(c) ((c) == '/' || (c) == '\\') #define IS_SLASH_P(c) IS_SLASH(*(c)) /* Colon indicates volume name, either first character should be forward slash or backward slash */ #define IS_ABSOLUTE_PATH(path, len) \ ((strchr(path, ':') != NULL) || ((len >= 1) && ((path[0] == '/') || (path[0] == '\\')))) #else #ifdef HAVE_DIRENT_H #include <dirent.h> #endif #define DEFAULT_SLASH '/' #ifdef __riscos__ #define DEFAULT_DIR_SEPARATOR ';' #else #define DEFAULT_DIR_SEPARATOR ':' #endif #define IS_SLASH(c) ((c) == '/') #define IS_SLASH_P(c) (*(c) == '/') #endif #ifndef COPY_WHEN_ABSOLUTE #define COPY_WHEN_ABSOLUTE(path) 0 #endif #ifndef IS_ABSOLUTE_PATH #define IS_ABSOLUTE_PATH(path, len) \ (IS_SLASH(path[0])) #endif #ifdef TSRM_EXPORTS #define CWD_EXPORTS #endif #ifdef TSRM_WIN32 # ifdef CWD_EXPORTS # define CWD_API __declspec(dllexport) # else # define CWD_API __declspec(dllimport) # endif #else #define CWD_API #endif typedef struct _cwd_state { char *cwd; int cwd_length; } cwd_state; typedef int (*verify_path_func)(const cwd_state *); CWD_API void virtual_cwd_startup(void); CWD_API void virtual_cwd_shutdown(void); CWD_API char *virtual_getcwd_ex(size_t *length TSRMLS_DC); CWD_API char *virtual_getcwd(char *buf, size_t size TSRMLS_DC); CWD_API int virtual_chdir(const char *path TSRMLS_DC); CWD_API int virtual_chdir_file(const char *path, int (*p_chdir)(const char *path TSRMLS_DC) TSRMLS_DC); CWD_API int virtual_filepath(const char *path, char **filepath TSRMLS_DC); CWD_API int virtual_filepath_ex(const char *path, char **filepath, verify_path_func verify_path TSRMLS_DC); CWD_API char *virtual_realpath(const char *path, char *real_path TSRMLS_DC); CWD_API FILE *virtual_fopen(const char *path, const char *mode TSRMLS_DC); CWD_API int virtual_open(const char *path TSRMLS_DC, int flags, ...); CWD_API int virtual_creat(const char *path, mode_t mode TSRMLS_DC); CWD_API int virtual_rename(char *oldname, char *newname TSRMLS_DC); CWD_API int virtual_stat(const char *path, struct stat *buf TSRMLS_DC); #if !defined(TSRM_WIN32) && !defined(NETWARE) CWD_API int virtual_lstat(const char *path, struct stat *buf TSRMLS_DC); #endif CWD_API int virtual_unlink(const char *path TSRMLS_DC); CWD_API int virtual_mkdir(const char *pathname, mode_t mode TSRMLS_DC); CWD_API int virtual_rmdir(const char *pathname TSRMLS_DC); CWD_API DIR *virtual_opendir(const char *pathname TSRMLS_DC); CWD_API FILE *virtual_popen(const char *command, const char *type TSRMLS_DC); #if !defined(TSRM_WIN32) CWD_API int virtual_access(const char *pathname, int mode TSRMLS_DC); #endif /* On AIX & Tru64 when a file does not exist realpath() returns * NULL, and sets errno to ENOENT. Unlike in other libc implementations * the destination is not filled and remains undefined. Therefor, we * must populate it manually using strcpy as done on systems with no * realpath() function. */ #if defined(__osf__) || defined(_AIX) static char *php_realpath_hack(char *src, char *dest) { char *ret; if ((ret = realpath(src, dest)) == NULL && errno == ENOENT) { return strcpy(dest, src); } else { return ret; } } #endif #if HAVE_UTIME CWD_API int virtual_utime(const char *filename, struct utimbuf *buf TSRMLS_DC); #endif CWD_API int virtual_chmod(const char *filename, mode_t mode TSRMLS_DC); #if !defined(TSRM_WIN32) && !defined(NETWARE) CWD_API int virtual_chown(const char *filename, uid_t owner, gid_t group TSRMLS_DC); #endif CWD_API int virtual_file_ex(cwd_state *state, const char *path, verify_path_func verify_path, int use_realpath); typedef struct _virtual_cwd_globals { cwd_state cwd; } virtual_cwd_globals; #ifdef ZTS # define CWDG(v) TSRMG(cwd_globals_id, virtual_cwd_globals *, v) #else # define CWDG(v) (cwd_globals.v) #endif /* The actual macros to be used in programs using TSRM * If the program defines VIRTUAL_DIR it will use the * virtual_* functions */ #ifdef VIRTUAL_DIR #define VCWD_GETCWD(buff, size) virtual_getcwd(buff, size TSRMLS_CC) #define VCWD_FOPEN(path, mode) virtual_fopen(path, mode TSRMLS_CC) /* Because open() has two modes, we have to macros to replace it */ #define VCWD_OPEN(path, flags) virtual_open(path TSRMLS_CC, flags) #define VCWD_OPEN_MODE(path, flags, mode) virtual_open(path TSRMLS_CC, flags, mode) #define VCWD_CREAT(path, mode) virtual_creat(path, mode TSRMLS_CC) #define VCWD_CHDIR(path) virtual_chdir(path TSRMLS_CC) #define VCWD_CHDIR_FILE(path) virtual_chdir_file(path, virtual_chdir TSRMLS_CC) #define VCWD_GETWD(buf) #define VCWD_REALPATH(path, real_path) virtual_realpath(path, real_path TSRMLS_CC) #define VCWD_RENAME(oldname, newname) virtual_rename(oldname, newname TSRMLS_CC) #define VCWD_STAT(path, buff) virtual_stat(path, buff TSRMLS_CC) #ifndef TSRM_WIN32 #define VCWD_LSTAT(path, buff) virtual_lstat(path, buff TSRMLS_CC) #endif #define VCWD_UNLINK(path) virtual_unlink(path TSRMLS_CC) #define VCWD_MKDIR(pathname, mode) virtual_mkdir(pathname, mode TSRMLS_CC) #define VCWD_RMDIR(pathname) virtual_rmdir(pathname TSRMLS_CC) #define VCWD_OPENDIR(pathname) virtual_opendir(pathname TSRMLS_CC) #define VCWD_POPEN(command, type) virtual_popen(command, type TSRMLS_CC) #define VCWD_ACCESS(pathname, mode) virtual_access(pathname, mode TSRMLS_CC) #if HAVE_UTIME #define VCWD_UTIME(path, time) virtual_utime(path, time TSRMLS_CC) #endif #define VCWD_CHMOD(path, mode) virtual_chmod(path, mode TSRMLS_CC) #if !defined(TSRM_WIN32) && !defined(NETWARE) #define VCWD_CHOWN(path, owner, group) virtual_chown(path, owner, group TSRMLS_CC) #endif #else #define VCWD_GETCWD(buff, size) getcwd(buff, size) #define VCWD_FOPEN(path, mode) fopen(path, mode) #define VCWD_OPEN(path, flags) open(path, flags) #define VCWD_OPEN_MODE(path, flags, mode) open(path, flags, mode) #define VCWD_CREAT(path, mode) creat(path, mode) #define VCWD_RENAME(oldname, newname) rename(oldname, newname) #define VCWD_CHDIR(path) chdir(path) #define VCWD_CHDIR_FILE(path) virtual_chdir_file(path, chdir) #define VCWD_GETWD(buf) getwd(buf) #define VCWD_STAT(path, buff) stat(path, buff) #define VCWD_LSTAT(path, buff) lstat(path, buff) #define VCWD_UNLINK(path) unlink(path) #define VCWD_MKDIR(pathname, mode) mkdir(pathname, mode) #define VCWD_RMDIR(pathname) rmdir(pathname) #define VCWD_OPENDIR(pathname) opendir(pathname) #define VCWD_POPEN(command, type) popen(command, type) #define VCWD_ACCESS(pathname, mode) access(pathname, mode) #ifdef HAVE_REALPATH #if defined(__osf__) || defined(_AIX) #define VCWD_REALPATH(path, real_path) php_realpath_hack(path, real_path) #else #define VCWD_REALPATH(path, real_path) realpath(path, real_path) #endif #else #define VCWD_REALPATH(path, real_path) strcpy(real_path, path) #endif #if HAVE_UTIME #define VCWD_UTIME(path, time) utime(path, time) #endif #define VCWD_CHMOD(path, mode) chmod(path, mode) #if !defined(TSRM_WIN32) && !defined(NETWARE) #define VCWD_CHOWN(path, owner, group) chown(path, owner, group) #endif #endif #endif /* VIRTUAL_CWD_H */