From e81da3a2fab6af4969902b6c268c8dfac43ea6fb Mon Sep 17 00:00:00 2001
From: "R.E. Wolff" <R.E.Wolff@BitWizard.nl>
Date: Tue, 5 Feb 2013 15:58:25 +0100
Subject: [PATCH] missed adding asn.[ch] when committing the asn patch!

---
 asn.c | 109 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 asn.h |  27 +++++++++++++++
 2 files changed, 136 insertions(+)
 create mode 100644 asn.c
 create mode 100644 asn.h

diff --git a/asn.c b/asn.c
new file mode 100644
index 0000000..9ad8907
--- /dev/null
+++ b/asn.c
@@ -0,0 +1,109 @@
+/*
+    mtr  --  a network diagnostic tool
+    Copyright (C) 1997,1998  Matt Kimball
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License version 2 as
+    published by the Free Software Foundation.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+/*
+    Copyright (C) 2010 by Roderick Groesbeek <mtr@roderick.triple-it.nl>
+    Released under GPL, as above.
+*/
+
+#include <config.h>
+
+#include <unistd.h>
+#include <stdlib.h>
+#include <sys/types.h>
+
+#include <arpa/nameser.h>
+#include <netdb.h>
+#include <netinet/in.h>
+#include <resolv.h>
+#include <string.h>
+#include <sys/socket.h>
+
+
+#include <glib.h>
+
+
+int  PrintAS = 0;
+GHashTable * ashash = NULL;
+
+char *asn_lookup(const char *domain)
+{
+    unsigned char answer[PACKETSZ],  *pt;
+    char host[128];
+    char *txt;
+    int len, exp, cttl, size, txtlen, type;
+
+
+    if(res_init() < 0) {
+        fprintf(stderr,"@res_init failedn");
+        return NULL;
+    }
+
+    memset(answer, 0, PACKETSZ);
+    if((len = res_query(domain, C_IN, T_TXT, answer, PACKETSZ)) < 0) {
+        return "-1";
+    }
+
+    pt = answer + sizeof(HEADER);
+
+    if((exp = dn_expand(answer, answer + len, pt, host, sizeof(host))) < 0) {
+        printf("@dn_expand failedn"); return NULL;
+    }
+
+    pt += exp;
+
+    GETSHORT(type, pt);
+    if(type != T_TXT) {
+        printf("@Broken DNS reply.n"); return NULL;
+    }
+
+    pt += INT16SZ; /* class */
+
+    if((exp = dn_expand(answer, answer + len, pt, host, sizeof(host))) < 0) {
+        printf("@second dn_expand failedn"); return NULL;
+    }
+
+    pt += exp;
+    GETSHORT(type, pt);
+    if(type != T_TXT) {
+        printf("@Not a TXT recordn"); return NULL;
+    }
+
+    pt += INT16SZ; /* class */
+    GETLONG(cttl, pt);
+    GETSHORT(size, pt);
+    txtlen = *pt;
+
+
+    if(txtlen >= size || !txtlen) {
+        printf("@Broken TXT record (txtlen = %d, size = %d)n", txtlen, size); return NULL;
+    }
+
+    if(!(txt = malloc(txtlen + 1)))
+        return NULL;
+
+    pt++;
+    strncpy(txt, (char*) pt, txtlen);
+    txt[txtlen] = 0;
+
+    return txt;
+}
+
+
+
+
diff --git a/asn.h b/asn.h
new file mode 100644
index 0000000..fde9af2
--- /dev/null
+++ b/asn.h
@@ -0,0 +1,27 @@
+/*
+    mtr  --  a network diagnostic tool
+    Copyright (C) 1997,1998  Matt Kimball
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License version 2 as
+    published by the Free Software Foundation.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include <glib.h>
+
+
+/*  Prototypes for asn.c  */
+
+extern int PrintAS;
+extern GHashTable * ashash;
+char *asn_lookup(const char *domain);
+
-- 
2.47.2