Fix: Fixed the problem with escaped colons in fs CPEs.

There was a problem, when a formatted string CPE contained an
escaped colon (e. g.) in the version. This problem is fixed now.

util/cpeutils.c

@@ -812,8 +812,13 @@ get_fs_component (const char *fs_cpe, int index)
     component_end = component_start;
   else
     {
-      for (c = component_start; *c != '\0' && *c != ':'; c++)
-        ;
+      for (c = component_start; *c != '\0'; c++)
+        {
+          if (*c == ':' && c == component_start)
+            break;
+          else if (c > component_start && *c == ':' && *(c - 1) != '\\')
+            break;
+        }
     }
 
   component_end = c;

util/cpeutils_tests.c

@@ -212,6 +212,24 @@ Ensure (cpeutils, fs_cpe_to_uri_cpe)
       "cpe:/a:hp:insight_diagnostics:7.4.0.1570:-:~~online~win2003~x64~"));
   g_free (uri_cpe);
 
+  fs_cpe =
+    "cpe:2.3:a:hp:insight_diagnostics:7\\:4.0.1570:-:*:*:online:win2003:x64:*";
+  uri_cpe = fs_cpe_to_uri_cpe (fs_cpe);
+  assert_that (
+    uri_cpe,
+    is_equal_to_string (
+      "cpe:/a:hp:insight_diagnostics:7%3A4.0.1570:-:~~online~win2003~x64~"));
+  g_free (uri_cpe);
+
+  fs_cpe =
+    "cpe:2.3:a:hp:insight_diagnostics:7.4.0.1570:-:*:*:online:win\\:2003:x64:*";
+  uri_cpe = fs_cpe_to_uri_cpe (fs_cpe);
+  assert_that (
+    uri_cpe,
+    is_equal_to_string (
+      "cpe:/a:hp:insight_diagnostics:7.4.0.1570:-:~~online~win%3A2003~x64~"));
+  g_free (uri_cpe);
+
   fs_cpe = "This is a ~:SIGNAL:~ test.";
   uri_cpe = fs_cpe_to_uri_cpe (fs_cpe);
   g_free (uri_cpe);