From 97e0dc9e30a435d5265b16155ac3b5b838a9c27f Mon Sep 17 00:00:00 2001
From: mboelen <michael@cisofy.com>
Date: Fri, 12 Sep 2014 15:33:28 +0200
Subject: [PATCH] Added ShowSymlinkPath function

---
 include/functions | 51 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)

diff --git a/include/functions b/include/functions
index 3c2d68c6..63b4a770 100644
--- a/include/functions
+++ b/include/functions
@@ -42,6 +42,7 @@
 #    Register                   Register a test (for logging and execution)
 #    SafePerms                  Check if a directory has safe permissions
 #    SearchItem                 Search a string in a file
+#    ShowSymlinkPath            Show a path behind a symlink
 #    ViewCategories             Display tests categories
 #    logtext                    Log text strings to logfile, prefixed with date/time
 #
@@ -1112,6 +1113,56 @@
         esac
       }
 
+
+    ################################################################################
+    # Name        : ShowSymlinkPath()
+    # Description : Check if we can find the path behind a symlink
+    # Parameters  : $1 = file
+    # Returns     : FOUNDPATH (0 not found, 1 found path))
+    ################################################################################
+
+    ShowSymlinkPath()
+      {
+        sFILE=$1
+        FOUNDPATH=0
+        # Check for symlink
+        if [ -L ${sFILE} ]; then
+            if [ ! "${READLINKBINARY}" = "" ]; then
+                tFILE=`${READLINKBINARY} ${sFILE}`
+                # Check if we can find the file now
+                if [ -f ${tFILE} ]; then
+                    sFILE="${tFILE}"
+                    logtext "Result: symlink found, pointing to file ${sFILE}"
+                    FOUNDPATH=1
+                elif [ -d ${tFILE} ]; then
+                    sFILE="${tFILE}"
+                    logtext "Result: symlink found, pointing to directory ${sFILE}"
+                    FOUNDPATH=1
+                  else
+                    # Check the full path of the symlink, strip the filename, copy the path and linked filename together
+                    tDIR=`echo ${sFILE} | awk '{match($1, "^.*/"); print substr($1, 1, RLENGTH-1)}'`
+                    tFILE="${tDIR}/${tFILE}"
+                    if [ -f ${tFILE} ]; then
+                        sFILE="${tFILE}"
+                        logtext "Result: symlink found, seems to be file ${sFILE}"
+                        FOUNDPATH=1
+                      elif [ -d ${tFILE} ]; then
+                        sFILE="${tFILE}"
+                        logtext "Result: symlink found, seems to be directory ${sFILE}"
+                        FOUNDPATH=1
+                      else
+                        logtext "Result: path ${sFILE} not found"
+                    fi
+                fi
+            fi
+        fi
+        # Now check if our new location is actually a file or directory destination
+        if [ -L ${sFILE} ]; then
+            logtext "Result: discovered location ${sFILE} is another symlink"
+            FOUNDPATH=0
+        fi
+      }
+
     ViewCategories()
       {
         if [ ! "${INCLUDEDIR}" = "" ]; then