From: James Peterson <james@abrakus.com>
Date: Sun, 15 Dec 2002 04:34:45 +0000 (+0000)
Subject: Fix symlink support on Windows XP.
X-Git-Tag: openafs-stable-1_2_8a
X-Git-Url: https://git.michaelhowe.org/gitweb/?a=commitdiff_plain;h=39462291df99cfabc3c1f0a474ace680a8187e09;p=packages%2Fo%2Fopenafs.git

Fix symlink support on Windows XP.


(cherry picked from commit d057f179506a94db0cc178e5df60977ee753f1f7)
---

diff --git a/src/WINNT/client_exp/gui2fs.cpp b/src/WINNT/client_exp/gui2fs.cpp
index 4b5283bd0..954f38fdb 100644
--- a/src/WINNT/client_exp/gui2fs.cpp
+++ b/src/WINNT/client_exp/gui2fs.cpp
@@ -1147,6 +1147,82 @@ long fs_StripDriveLetter(const char *inPathp, char *outPathp, long outSize)
 }
 
 
+BOOL RemoveSymlink(const char * linkName)
+{
+	BOOL error = FALSE;
+    INT code=0;
+    struct ViceIoctl blob;
+    char tbuffer[1024];
+    char lsbuffer[1024];
+	char tpbuffer[1024];
+    char *tp;
+    
+	tp = (char *) strrchr(linkName, '\\');
+	if (!tp)
+	    tp = (char *) strrchr(linkName, '/');
+	if (tp) {
+	    strncpy(tbuffer, linkName, code=tp-linkName+1);  /* the dir name */
+            tbuffer[code] = 0;
+	    tp++;   /* skip the slash */
+	}
+	else {
+	    fs_ExtractDriveLetter(linkName, tbuffer);
+	    strcat(tbuffer, ".");
+         fs_StripDriveLetter(tp, tpbuffer, 0);
+		 tp=tpbuffer;
+	}
+	blob.in = tp;
+	blob.in_size = strlen(tp)+1;
+	blob.out = lsbuffer;
+	blob.out_size = sizeof(lsbuffer);
+	code = pioctl(tbuffer, VIOC_LISTSYMLINK, &blob, 0);
+	if (code)
+		return FALSE;
+	blob.out_size = 0;
+	blob.in = tp;
+	blob.in_size = strlen(tp)+1;
+	return (pioctl(tbuffer, VIOC_DELSYMLINK, &blob, 0)==0);
+}
+
+BOOL IsSymlink(const char * true_name)
+{
+    char parent_dir[MAXSIZE];		/*Parent directory of true name*/
+	char strip_name[MAXSIZE];
+    struct ViceIoctl blob;
+	char *last_component;
+    int code;
+	last_component = (char *) strrchr(true_name, '\\');
+	if (!last_component)
+	    last_component = (char *) strrchr(true_name, '/');
+	if (last_component) {
+	    /*
+	     * Found it.  Designate everything before it as the parent directory,
+	     * everything after it as the final component.
+	     */
+	    strncpy(parent_dir, true_name, last_component - true_name + 1);
+	    parent_dir[last_component - true_name + 1] = 0;
+	    last_component++;   /*Skip the slash*/
+	}
+	else {
+	    /*
+	     * No slash appears in the given file name.  Set parent_dir to the current
+	     * directory, and the last component as the given name.
+	     */
+	    fs_ExtractDriveLetter(true_name, parent_dir);
+	    strcat(parent_dir, ".");
+	    last_component = strip_name;
+        fs_StripDriveLetter(true_name, strip_name, sizeof(strip_name));
+	}
+
+	blob.in = last_component;
+	blob.in_size = strlen(last_component)+1;
+	blob.out_size = MAXSIZE;
+	blob.out = space;
+	memset(space, 0, MAXSIZE);
+	code = pioctl(parent_dir, VIOC_LISTSYMLINK, &blob, 1);
+	return (code==0);
+}
+
 BOOL RemoveSymlink(const char * linkName)
 {
 	BOOL error = FALSE;
diff --git a/src/WINNT/client_exp/shell_ext.cpp b/src/WINNT/client_exp/shell_ext.cpp
index 37e0f1102..304cd7796 100644
--- a/src/WINNT/client_exp/shell_ext.cpp
+++ b/src/WINNT/client_exp/shell_ext.cpp
@@ -14,6 +14,7 @@ extern "C" {
 
 #include <afxpriv.h>
 #include "stdafx.h"
+#include <atlconv.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 #include "afs_shl_ext.h"