Add a dissector for h248.2 packages.

svn path=/trunk/; revision=40439

1 files changed, 157 insertions, 0 deletions

diff --git a/epan/dissectors/packet-h248_2.c b/epan/dissectors/packet-h248_2.c
new file mode 100644
index 0000000000..be4579192e
--- /dev/null
+++ b/epan/dissectors/packet-h248_2.c
@@ -0,0 +1,157 @@
+/*
+ *  packet-h248_2.c
+ *
+ * $Id$
+ *
+ *  H.248.2
+ *  Gateway control protocol: Facsimile, text conversation and call discrimination packages
+ *
+ *  (c) 2012, Anders broman <anders.broman@ericsson.com>
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include "packet-h248.h"
+#define PNAME  "H.248.2"
+#define PSNAME "H248_2"
+#define PFNAME "h248_2"
+
+static int proto_h248_2 = -1;
+
+static int hf_h248_2_dtone_evt = -1;
+static int hf_h248_2_dtone_dtt_obs_evt = -1;
+static int hf_h248_2_dtone_dtt_obs_evt_val = -1;
+
+static gint ett_h248_2 = -1;
+static gint ett_h248_2_dtone_dtt_obs_evt = -1;
+
+
+static const value_string hf_h248_2_dtone_dtt_obs_evt_val_values[] = {
+	/*For FAX*/
+	{ 0x0001, "CNG"},		/* A T.30 fax calling tone */
+	{ 0x0002, "V21flag"},   /* V21 tone and flags for fax answering */
+	/* For TEXT */
+	{ 0x0003, "XCI"},		/* A V.18 XCI */
+	{ 0x0004, "V18txp1"},   /* A V.18 txp signal in channel V.21(1) */
+	{ 0x0005, "V18txp2"},   /* A V.18 txp signal in channel V.21(2) */
+	{ 0x0006, "BellHi"},   /* A Bell 103 carrier on the high channel */
+	{ 0x0007, "BellLo"},	/* A Bell 103 low channel */
+	{ 0x0008, "Baudot45"},  /* Baudot45 initial carrier and characters */
+	{ 0x0008, "Baudot50"},  /* A Baudot50 initial carrier and characters */
+	{ 0x000a, "Edt"},		/* An EDT initial tone and characters */
+	{ 0x000b, "DTMF"},		/* DTMF signals */
+	{ 0x001c, "CTM"},		/* CTM signals */
+	/* For DATA */
+	{ 0x000c, "Sig"},		/* Modulation signal from a mode only used for data, i.e., not V.21, V.23 nor Bell 103 */
+	/* Common to TEXT and DATA */
+	{ 0x000d, "CT"},		/* A V.25 calling tone */
+	{ 0x000e, "V21hi"},		/* A V.21 carrier on the higher frequency channel */
+	{ 0x000f, "V21lo"},		/* A V.21 carrier on the low frequency channel */
+	{ 0x0010, "V23hi"},		/* A V.23 high carrier */
+	{ 0x0011, "V23lo"},		/*  A V.23 low carrier */
+	{ 0x0012, "CI"},		/* A V.8 CI with contents in "dtvalue" */
+	/* Common to FAX, TEXT and DATA */
+	{ 0x0013, "ANS(T.30 CED)"},	/* V.25 ANS, equivalent to T.30 CED from answering terminal */
+	{ 0x0014, "ANSbar"},		/* V.25 ANS with phase reversals" */
+	{ 0x0015, "ANSAM"},			/* V.8 ANSam */
+	{ 0x0016, "ANSAMbar"},		/* V.8 ANSam with phase reversals */
+	{ 0x0017, "CM"},			/* V.8 CM with contents in "dtvalue" */
+	{ 0x0018, "CJ"},			/* V.8 CJ */
+	{ 0x0019, "JM"},			/* V.8 JM with contents in "dtvalue" */
+	{ 0x001a, "ENDOFSIG"},		/* End of reported signal detected reported for continuous or repeated signals */
+	{ 0x001b, "V8BIS"},			/* V.8 bis signal, with signal type in parameter V8bistype and value in "dtvalue" */
+	{ 0, NULL }
+};
+
+static h248_pkg_param_t h248_2_dtone_dtt_obs_evt_params[] = {
+	{ 0x0001, &hf_h248_2_dtone_dtt_obs_evt_val, h248_param_ber_integer, NULL },
+	{ 0, NULL, NULL, NULL}
+};
+
+
+static const value_string h248_2_ctype_events_vals[] = {
+	{ 0x0001, "Discriminating Tone Detected(dtone)"},
+	{ 0x0002, "Call Type Discrimination Result(calldisres)"},
+	{ 0, NULL }
+};
+
+static h248_pkg_evt_t h248_pkg_generic_cause_evts[] = {
+	{ 0x0001, &hf_h248_2_dtone_dtt_obs_evt, &ett_h248_2_dtone_dtt_obs_evt, h248_2_dtone_dtt_obs_evt_params, h248_2_ctype_events_vals},
+	{ 0, NULL, NULL, NULL, NULL}
+};
+
+
+
+/* Call Type Discrimination Package */
+static const h248_package_t h248_pkg_ctype = {
+	0x0011,						/* Id */
+	&proto_h248_2,				/* hfid */
+	&ett_h248_2,				/* ett */
+	
+	NULL,						/* value_string param_names */
+	NULL,						/* value_string signal_names */
+	h248_2_ctype_events_vals,	/* value_string event_names */
+	NULL,						/* value_string stats_names */
+	
+	NULL,						/* properties */
+	NULL,						/* signals */
+	h248_pkg_generic_cause_evts,						/* events */
+	NULL						/* statistics */
+};
+
+void proto_register_h248_dot2(void) {
+	static hf_register_info hf[] = {
+		{ &hf_h248_2_dtone_evt, 
+			{ "Discriminating Tone Type", "h248.2.dtt", 
+			FT_BYTES, BASE_NONE, NULL, 0, 
+			NULL, HFILL }
+		},
+		{ &hf_h248_2_dtone_dtt_obs_evt, 
+			{ "Discriminating Tone Type(dtt)", "h248.2.dtt", 
+			FT_BYTES, BASE_NONE, NULL, 0, 
+			NULL, HFILL }
+		},
+		{ &hf_h248_2_dtone_dtt_obs_evt_val, 
+			{ "call type", "h248.2.dtt.val", 
+			FT_UINT32, BASE_DEC, VALS(hf_h248_2_dtone_dtt_obs_evt_val_values) , 0, 
+			NULL, HFILL }
+		},
+
+	};
+	
+	static gint *ett[] = {
+		&ett_h248_2,
+		&ett_h248_2_dtone_dtt_obs_evt,
+	};
+
+	proto_h248_2 = proto_register_protocol(PNAME, PSNAME, PFNAME);
+
+	proto_register_field_array(proto_h248_2, hf, array_length(hf));
+
+	proto_register_subtree_array(ett, array_length(ett));
+	
+	h248_register_package(&h248_pkg_ctype);
+}
+
+