pajoye          Fri Jan 16 10:04:30 2009 UTC

  Modified files:              
    /php-src/ext/standard       link_win32.c basic_functions.c config.w32 
                                php_link.h 
  Log:
  - symlink, hardlink & co support (2/2) & (3/3)
  
http://cvs.php.net/viewvc.cgi/php-src/ext/standard/link_win32.c?r1=1.1&r2=1.2&diff_format=u
Index: php-src/ext/standard/link_win32.c
diff -u /dev/null php-src/ext/standard/link_win32.c:1.2
--- /dev/null   Fri Jan 16 10:04:30 2009
+++ php-src/ext/standard/link_win32.c   Fri Jan 16 10:04:29 2009
@@ -0,0 +1,276 @@
+/*
+   +----------------------------------------------------------------------+
+   | PHP Version 5                                                        |
+   +----------------------------------------------------------------------+
+   | Copyright (c) 1997-2009 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          |
+   | lice...@php.net so we can mail you a copy immediately.               |
+   +----------------------------------------------------------------------+
+   | Author: Pierre A. Joye <pie...@php.net>                              |
+   +----------------------------------------------------------------------+
+ */
+
+/* $Id: link_win32.c,v 1.2 2009/01/16 10:04:29 pajoye Exp $ */
+#ifdef PHP_WIN32
+
+#include "php.h"
+#include "php_filestat.h"
+#include "php_globals.h"
+
+#include <WinBase.h>
+
+#include <stdlib.h>
+
+#include <string.h>
+#if HAVE_PWD_H
+#include "win32/pwd.h"
+#endif
+
+#if HAVE_GRP_H
+#include "win32/grp.h"
+#endif
+
+#include <errno.h>
+#include <ctype.h>
+
+#include "php_link.h"
+#include "php_string.h"
+
+/*
+TODO:
+- Create php_readlink, php_link and php_symlink in win32/link.c
+- Expose them (PHPAPI) so extensions developers can use them
+- define link/readlink/symlink to their php_ equivalent and use them in 
ext/standart/link.c
+- this file is then useless and we have a portable link API
+*/
+
+/* {{{ proto string readlink(string filename)
+   Return the target of a symbolic link */
+PHP_FUNCTION(readlink)
+{
+       HINSTANCE kernel32;
+       char *link;
+       int link_len;
+       TCHAR Path[MAXPATHLEN];
+       HANDLE hFile;
+       DWORD dwRet;
+
+       typedef BOOL (WINAPI *gfpnh_func)(HANDLE, LPTSTR, DWORD, DWORD);
+       gfpnh_func pGetFinalPathNameByHandle;
+
+       kernel32 = LoadLibrary("kernel32.dll");
+
+       if (kernel32) {
+               pGetFinalPathNameByHandle = 
(gfpnh_func)GetProcAddress(kernel32, "GetFinalPathNameByHandleA");
+               if (pGetFinalPathNameByHandle == NULL) {
+                       php_error_docref(NULL TSRMLS_CC, E_WARNING, "Can't call 
GetFinalPathNameByHandleA");
+                       RETURN_FALSE;
+               }
+       } else {
+               php_error_docref(NULL TSRMLS_CC, E_WARNING, "Can't call get a 
handle on kernel32.dll");
+               RETURN_FALSE;
+       }
+
+       if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &link, 
&link_len) == FAILURE) {
+               return;
+       }
+
+       if (OPENBASEDIR_CHECKPATH(link)) {
+               RETURN_FALSE;
+       }
+
+       hFile = CreateFile(link,                  // file to open
+                                                                               
 GENERIC_READ,          // open for reading
+                                                                               
 FILE_SHARE_READ,       // share for reading
+                                                                               
 NULL,                  // default security
+                                                                               
 OPEN_EXISTING,         // existing file only
+                                                                               
 FILE_FLAG_BACKUP_SEMANTICS, // normal file
+                                                                               
 NULL);                 // no attr. template
+
+       if( hFile == INVALID_HANDLE_VALUE) {
+                       php_error_docref(NULL TSRMLS_CC, E_WARNING, "Could not 
open file (error %d)", GetLastError());
+                       RETURN_FALSE;
+       }
+
+       dwRet = pGetFinalPathNameByHandle(hFile, Path, MAXPATHLEN, 
VOLUME_NAME_NT);
+       if(dwRet >= MAXPATHLEN) {
+               php_error_docref(NULL TSRMLS_CC, E_WARNING, "Can't resolve the 
full path, the path exceeds the MAX_PATH_LEN (%d) limit", MAXPATHLEN);
+               RETURN_FALSE;
+       }
+
+       CloseHandle(hFile);
+
+       /* Append NULL to the end of the string */
+       Path[dwRet] = '\0';
+
+       RETURN_STRING(Path, 1);
+}
+/* }}} */
+
+/* {{{ proto int linkinfo(string filename)
+   Returns the st_dev field of the UNIX C stat structure describing the link */
+PHP_FUNCTION(linkinfo)
+{
+       char *link;
+       int link_len;
+       struct stat sb;
+       int ret;
+
+       if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &link, 
&link_len) == FAILURE) {
+               return;
+       }
+
+       ret = VCWD_STAT(link, &sb);
+       if (ret == -1) {
+               php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", 
strerror(errno));
+               RETURN_LONG(-1L);
+       }
+
+       RETURN_LONG((long) sb.st_dev);
+}
+/* }}} */
+
+/* {{{ proto int symlink(string target, string link)
+   Create a symbolic link */
+PHP_FUNCTION(symlink)
+{
+       char *topath, *frompath;
+       int topath_len, frompath_len;
+       BOOLEAN ret;
+       char source_p[MAXPATHLEN];
+       char dest_p[MAXPATHLEN];
+       char dirname[MAXPATHLEN];
+       size_t len;
+       DWORD attr;
+       HINSTANCE kernel32;
+       typedef BOOLEAN (WINAPI *csla_func)( __in LPCSTR, __in LPCSTR, __in 
DWORD);
+       csla_func pCreateSymbolicLinkA;
+
+       kernel32 = LoadLibrary("kernel32.dll");
+
+       if (kernel32) {
+               pCreateSymbolicLinkA = (csla_func)GetProcAddress(kernel32, 
"CreateSymbolicLinkA");
+               if (pCreateSymbolicLinkA == NULL) {
+                       php_error_docref(NULL TSRMLS_CC, E_WARNING, "Can't call 
CreateSymbolicLinkA");
+                       RETURN_FALSE;
+               }
+       } else {
+               php_error_docref(NULL TSRMLS_CC, E_WARNING, "Can't call get a 
handle on kernel32.dll");
+               RETURN_FALSE;
+       }
+
+       if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss", &topath, 
&topath_len, &frompath, &frompath_len) == FAILURE) {
+               return;
+       }
+       
+       if (!expand_filepath(frompath, source_p TSRMLS_CC)) {
+               php_error_docref(NULL TSRMLS_CC, E_WARNING, "No such file or 
directory");
+               RETURN_FALSE;
+       }
+
+       memcpy(dirname, source_p, sizeof(source_p));
+       len = php_dirname(dirname, strlen(dirname));
+
+       if (!expand_filepath_ex(topath, dest_p, dirname, len TSRMLS_CC)) {
+               php_error_docref(NULL TSRMLS_CC, E_WARNING, "No such file or 
directory");
+               RETURN_FALSE;
+       }
+
+       if (php_stream_locate_url_wrapper(source_p, NULL, 
STREAM_LOCATE_WRAPPERS_ONLY TSRMLS_CC) ||
+               php_stream_locate_url_wrapper(dest_p, NULL, 
STREAM_LOCATE_WRAPPERS_ONLY TSRMLS_CC) ) 
+       {
+               php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to symlink 
to a URL");
+               RETURN_FALSE;
+       }
+
+       if (OPENBASEDIR_CHECKPATH(dest_p)) {
+               RETURN_FALSE;
+       }
+
+       if (OPENBASEDIR_CHECKPATH(source_p)) {
+               RETURN_FALSE;
+       }
+
+       if ((attr = GetFileAttributes(topath)) == INVALID_FILE_ATTRIBUTES) {
+                       php_error_docref(NULL TSRMLS_CC, E_WARNING, "Could not 
fetch file information(error %d)", GetLastError());
+                       RETURN_FALSE;
+       }
+
+       /* For the source, an expanded path must be used (in ZTS an other 
thread could have changed the CWD).
+        * For the target the exact string given by the user must be used, 
relative or not, existing or not.
+        * The target is relative to the link itself, not to the CWD. */
+       ret = pCreateSymbolicLinkA(source_p, topath, (attr & 
FILE_ATTRIBUTE_DIRECTORY ? 1 : 0));
+
+       if (!ret) {
+               php_error_docref(NULL TSRMLS_CC, E_WARNING, "Cannot create 
symlink, error code(%d)", GetLastError());
+               RETURN_FALSE;
+       }
+
+       RETURN_TRUE;
+}
+/* }}} */
+
+/* {{{ proto int link(string target, string link)
+   Create a hard link */
+PHP_FUNCTION(link)
+{
+       char *topath, *frompath;
+       int topath_len, frompath_len;
+       int ret;
+       char source_p[MAXPATHLEN];
+       char dest_p[MAXPATHLEN];
+
+       if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss", &topath, 
&topath_len, &frompath, &frompath_len) == FAILURE) {
+               return;
+       }
+
+       if (!expand_filepath(frompath, source_p TSRMLS_CC) || 
!expand_filepath(topath, dest_p TSRMLS_CC)) {
+               php_error_docref(NULL TSRMLS_CC, E_WARNING, "No such file or 
directory");
+               RETURN_FALSE;
+       }
+
+       if (php_stream_locate_url_wrapper(source_p, NULL, 
STREAM_LOCATE_WRAPPERS_ONLY TSRMLS_CC) ||
+               php_stream_locate_url_wrapper(dest_p, NULL, 
STREAM_LOCATE_WRAPPERS_ONLY TSRMLS_CC) ) 
+       {
+               php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to link to 
a URL");
+               RETURN_FALSE;
+       }
+
+       if (OPENBASEDIR_CHECKPATH(source_p)) {
+               RETURN_FALSE;
+       }
+
+       if (OPENBASEDIR_CHECKPATH(dest_p)) {
+               RETURN_FALSE;
+       }
+
+#ifndef ZTS
+       ret = CreateHardLinkA(topath, frompath, NULL);
+#else 
+       ret = CreateHardLinkA(dest_p, source_p, NULL);  
+#endif 
+       if (ret == -1) {
+               php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", 
strerror(errno));
+               RETURN_FALSE;
+       }
+
+       RETURN_TRUE;
+}
+/* }}} */
+
+#endif
+
+/*
+ * Local variables:
+ * tab-width: 4
+ * c-basic-offset: 4
+ * End:
+ * vim600: noet sw=4 ts=4 fdm=marker
+ * vim<600: noet sw=4 ts=4
+ */
http://cvs.php.net/viewvc.cgi/php-src/ext/standard/basic_functions.c?r1=1.947&r2=1.948&diff_format=u
Index: php-src/ext/standard/basic_functions.c
diff -u php-src/ext/standard/basic_functions.c:1.947 
php-src/ext/standard/basic_functions.c:1.948
--- php-src/ext/standard/basic_functions.c:1.947        Tue Jan 13 21:29:45 2009
+++ php-src/ext/standard/basic_functions.c      Fri Jan 16 10:04:29 2009
@@ -17,7 +17,7 @@
    +----------------------------------------------------------------------+
  */
 
-/* $Id: basic_functions.c,v 1.947 2009/01/13 21:29:45 iliaa Exp $ */
+/* $Id: basic_functions.c,v 1.948 2009/01/16 10:04:29 pajoye Exp $ */
 
 #include "php.h"
 #include "php_streams.h"
@@ -1576,7 +1576,7 @@
 ZEND_END_ARG_INFO()
 /* }}} */
 /* {{{ link.c */
-#ifdef HAVE_SYMLINK
+#if defined(HAVE_SYMLINK) || defined(PHP_WIN32)
 ZEND_BEGIN_ARG_INFO(arginfo_readlink, 0)
        ZEND_ARG_INFO(0, filename)
 ZEND_END_ARG_INFO()
@@ -2809,7 +2809,7 @@
        PHP_FE(rawurldecode,                                                    
                                                arginfo_rawurldecode)
        PHP_FE(http_build_query,                                                
                                                arginfo_http_build_query)
 
-#ifdef HAVE_SYMLINK
+#if defined(HAVE_SYMLINK) || defined(PHP_WIN32)
        PHP_FE(readlink,                                                        
                                                        arginfo_readlink)
        PHP_FE(linkinfo,                                                        
                                                        arginfo_linkinfo)
        PHP_FE(symlink,                                                         
                                                        arginfo_symlink)
http://cvs.php.net/viewvc.cgi/php-src/ext/standard/config.w32?r1=1.11&r2=1.12&diff_format=u
Index: php-src/ext/standard/config.w32
diff -u php-src/ext/standard/config.w32:1.11 
php-src/ext/standard/config.w32:1.12
--- php-src/ext/standard/config.w32:1.11        Tue Jan  6 20:44:56 2009
+++ php-src/ext/standard/config.w32     Fri Jan 16 10:04:29 2009
@@ -1,5 +1,5 @@
 // vim:ft=javascript
-// $Id: config.w32,v 1.11 2009/01/06 20:44:56 pajoye Exp $
+// $Id: config.w32,v 1.12 2009/01/16 10:04:29 pajoye Exp $
 
 ARG_WITH("config-file-scan-dir", "Dir to check for additional php ini files", 
"");
 
@@ -16,7 +16,7 @@
        crypt_freesec.c crypt_blowfish.c php_crypt_r.c \
        cyr_convert.c datetime.c dir.c dl.c dns.c dns_win32.c exec.c \
        file.c filestat.c formatted_print.c fsock.c head.c html.c image.c \
-       info.c iptc.c lcg.c link.c mail.c math.c md5.c metaphone.c microtime.c \
+       info.c iptc.c lcg.c link_win32.c mail.c math.c md5.c metaphone.c 
microtime.c \
        pack.c pageinfo.c quot_print.c rand.c soundex.c \
        string.c scanf.c syslog.c type.c uniqid.c url.c url_scanner.c var.c \
        versioning.c assert.c strnatcmp.c levenshtein.c incomplete_class.c \
http://cvs.php.net/viewvc.cgi/php-src/ext/standard/php_link.h?r1=1.16&r2=1.17&diff_format=u
Index: php-src/ext/standard/php_link.h
diff -u php-src/ext/standard/php_link.h:1.16 
php-src/ext/standard/php_link.h:1.17
--- php-src/ext/standard/php_link.h:1.16        Wed Dec 31 11:12:37 2008
+++ php-src/ext/standard/php_link.h     Fri Jan 16 10:04:29 2009
@@ -16,12 +16,12 @@
    +----------------------------------------------------------------------+
 */
 
-/* $Id: php_link.h,v 1.16 2008/12/31 11:12:37 sebastian Exp $ */
+/* $Id: php_link.h,v 1.17 2009/01/16 10:04:29 pajoye Exp $ */
 
 #ifndef PHP_LINK_H
 #define PHP_LINK_H
 
-#ifdef HAVE_SYMLINK
+#if defined(HAVE_SYMLINK) || defined(PHP_WIN32)
 
 PHP_FUNCTION(link);
 PHP_FUNCTION(readlink);

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