UAT: HEX Values should be allowed the full uint32 range e.g allow 0xffffffff

Change-Id: I13ec13646271bd9de543d02de5c7cbc0d6d02019
Reviewed-on: https://code.wireshark.org/review/29219
Petri-Dish: Anders Broman <a.broman58@gmail.com>
Tested-by: Petri Dish Buildbot
Reviewed-by: Anders Broman <a.broman58@gmail.com>

1 files changed, 17 insertions, 1 deletions

diff --git a/epan/uat.c b/epan/uat.c
index 29ae99dd22..13b9854798 100644
--- a/epan/uat.c
+++ b/epan/uat.c
@@ -643,7 +643,23 @@ gboolean uat_fld_chk_num_dec(void* u1 _U_, const char* strptr, guint len, const
 }
 
 gboolean uat_fld_chk_num_hex(void* u1 _U_, const char* strptr, guint len, const void* u2 _U_, const void* u3 _U_, char** err) {
-    return uat_fld_chk_num(16, strptr, len, err);
+    if (len > 0) {
+        char* str = g_strndup(strptr, len);
+        gboolean result;
+        guint32 value;
+
+        errno = 0;
+        result = ws_hexstrtou32(str, NULL, &value);
+        if (errno != 0) {
+            *err = g_strdup(g_strerror(errno));
+        }
+        g_free(str);
+
+        return result;
+    }
+
+    *err = NULL;
+    return TRUE;
 }
 
 gboolean uat_fld_chk_bool(void* u1 _U_, const char* strptr, guint len, const void* u2 _U_, const void* u3 _U_, char** err)