From Jelmer Vernooij: split the AIM dissector into multiple files, and

add a few more SNACs.

svn path=/trunk/; revision=10450

1 files changed, 220 insertions, 0 deletions

diff --git a/packet-aim-signon.c b/packet-aim-signon.c
new file mode 100644
index 0000000000..9cb8c04621
--- /dev/null
+++ b/packet-aim-signon.c
@@ -0,0 +1,220 @@
+/* packet-aim-signon.c
+ * Routines for AIM Instant Messenger (OSCAR) dissection, SNAC Signon
+ * Copyright 2004, Jelmer Vernooij <jelmer@samba.org>
+ * Copyright 2000, Ralf Hoelzer <ralf@well.com>
+ *
+ * $Id: packet-aim-signon.c,v 1.1 2004/03/23 06:21:17 guy Exp $
+ *
+ * Ethereal - Network traffic analyzer
+ * By Gerald Combs <gerald@ethereal.com>
+ * 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 <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+
+#include <glib.h>
+
+#include <epan/packet.h>
+#include <epan/strutil.h>
+
+#include "packet-aim.h"
+
+#define FAMILY_SIGNON     0x0017
+
+/* Family Signon */
+#define FAMILY_SIGNON_ERROR          0x0001
+#define FAMILY_SIGNON_LOGON          0x0002
+#define FAMILY_SIGNON_LOGON_REPLY    0x0003
+#define FAMILY_SIGNON_UIN_REQ        0x0004
+#define FAMILY_SIGNON_UIN_REPL       0x0005
+#define FAMILY_SIGNON_SIGNON         0x0006
+#define FAMILY_SIGNON_SIGNON_REPLY   0x0007
+#define FAMILY_SIGNON_S_SECUREID_REQ 0x000a
+#define FAMILY_SIGNON_C_SECUREID_REP 0x000b
+
+static const value_string aim_fnac_family_signon[] = {
+  { FAMILY_SIGNON_LOGON, "Logon" },
+  { FAMILY_SIGNON_LOGON_REPLY, "Logon Reply" },
+  { FAMILY_SIGNON_UIN_REQ, "Request UIN" },
+  { FAMILY_SIGNON_UIN_REPL, "New UIN response" },
+  { FAMILY_SIGNON_SIGNON, "Sign-on" },
+  { FAMILY_SIGNON_SIGNON_REPLY, "Sign-on Reply" },
+  { FAMILY_SIGNON_S_SECUREID_REQ, "Server SecureID Request" },
+  { FAMILY_SIGNON_C_SECUREID_REP, "Client SecureID Reply" },
+  { 0, NULL }
+};
+
+static int dissect_aim_snac_signon(tvbuff_t *tvb, packet_info *pinfo, 
+				    proto_tree *tree);
+static int dissect_aim_snac_signon_logon(tvbuff_t *tvb, packet_info *pinfo, int offset, proto_tree *tree);
+static int dissect_aim_snac_signon_logon_reply(tvbuff_t *tvb, packet_info *pinfo, int offset, proto_tree *tree);
+static int dissect_aim_snac_signon_signon(tvbuff_t *tvb, packet_info *pinfo, int offset, proto_tree *tree);
+static int dissect_aim_snac_signon_signon_reply(tvbuff_t *tvb, packet_info *pinfo, int offset, proto_tree *tree);
+
+/* Initialize the protocol and registered fields */
+static int proto_aim_signon = -1;
+static int hf_aim_infotype = -1;
+static int hf_aim_signon_challenge_len = -1;
+static int hf_aim_signon_challenge = -1;
+
+
+/* Initialize the subtree pointers */
+static gint ett_aim_signon   = -1;
+
+static int dissect_aim_snac_signon(tvbuff_t *tvb, packet_info *pinfo, 
+				    proto_tree *tree)
+{
+	struct aiminfo *aiminfo = pinfo->private_data;
+	int offset = 0;
+  switch(aiminfo->subtype)
+    {
+	case FAMILY_SIGNON_ERROR:
+      return dissect_aim_snac_error(tvb, pinfo, offset, tree);
+    case FAMILY_SIGNON_LOGON:
+      return dissect_aim_snac_signon_logon(tvb, pinfo, offset, tree);
+    case FAMILY_SIGNON_LOGON_REPLY:
+      return dissect_aim_snac_signon_logon_reply(tvb, pinfo, offset, tree);
+    case FAMILY_SIGNON_SIGNON:
+      return dissect_aim_snac_signon_signon(tvb, pinfo, offset, tree);
+    case FAMILY_SIGNON_SIGNON_REPLY:
+      return dissect_aim_snac_signon_signon_reply(tvb, pinfo, offset, tree);
+	case FAMILY_SIGNON_UIN_REQ:
+	case FAMILY_SIGNON_UIN_REPL:
+	case FAMILY_SIGNON_S_SECUREID_REQ:
+	case FAMILY_SIGNON_C_SECUREID_REP:
+	/*FIXME*/	
+
+	default:
+	  return 0;
+    }
+}
+
+static int dissect_aim_snac_signon_logon(tvbuff_t *tvb, packet_info *pinfo, 
+					  int offset, proto_tree *tree)
+{
+  while (tvb_length_remaining(tvb, offset) > 0) {
+    offset = dissect_aim_tlv(tvb, pinfo, offset, tree);
+  }
+  return offset;
+}
+
+static int dissect_aim_snac_signon_logon_reply(tvbuff_t *tvb, 
+						packet_info *pinfo, 
+						int offset, proto_tree *tree)
+{
+    if (check_col(pinfo->cinfo, COL_INFO)) 
+      col_append_fstr(pinfo->cinfo, COL_INFO, ", Login information reply");
+
+    while (tvb_length_remaining(tvb, offset) > 0) {
+      offset = dissect_aim_tlv(tvb, pinfo, offset, tree);
+    }
+	return offset;
+}
+
+static int dissect_aim_snac_signon_signon(tvbuff_t *tvb, packet_info *pinfo, 
+					   int offset, proto_tree *tree)
+{
+  guint8 buddyname_length = 0;
+  char buddyname[MAX_BUDDYNAME_LENGTH + 1];
+
+  /* Info Type */
+  proto_tree_add_item(tree, hf_aim_infotype, tvb, offset, 2, FALSE);
+  offset += 2;
+
+  /* Unknown */
+  offset += 1;
+
+  /* Buddy Name */
+  buddyname_length = aim_get_buddyname( buddyname, tvb, offset, offset + 1 );
+  
+  if (check_col(pinfo->cinfo, COL_INFO)) {
+    col_append_fstr(pinfo->cinfo, COL_INFO, " Username: %s", buddyname);
+  }
+  
+  if(tree) {
+    proto_tree_add_text(tree, tvb, offset + 1, buddyname_length, 
+			"Screen Name: %s", buddyname);
+  }
+  
+  offset += buddyname_length + 1;
+  return offset;
+}
+
+static int dissect_aim_snac_signon_signon_reply(tvbuff_t *tvb, 
+						 packet_info *pinfo, 
+						 int offset, proto_tree *tree)
+{
+  guint16 challenge_length = 0;
+
+  if (check_col(pinfo->cinfo, COL_INFO)) 
+    col_append_fstr(pinfo->cinfo, COL_INFO, ", Sign-on reply");
+
+  /* Logon Challenge Length */
+  challenge_length = tvb_get_ntohs(tvb, offset);
+  proto_tree_add_item(tree, hf_aim_signon_challenge_len, tvb, offset, 2, FALSE);
+  offset += 2;
+
+  /* Challenge */
+  proto_tree_add_item(tree, hf_aim_signon_challenge, tvb, offset, challenge_length, FALSE);
+  offset += challenge_length;
+  return offset;
+}
+
+/* Register the protocol with Ethereal */
+void
+proto_register_aim_signon(void)
+{
+
+/* Setup list of header fields */
+  static hf_register_info hf[] = {
+    { &hf_aim_signon_challenge_len,
+      { "Signon challenge length", "aim.signon.challengelen", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL }
+    },
+    { &hf_aim_signon_challenge,
+      { "Signon challenge", "aim.signon.challenge", FT_STRING, BASE_HEX, NULL, 0x0, "", HFILL }
+    },
+  };
+
+/* Setup protocol subtree array */
+  static gint *ett[] = {
+    &ett_aim_signon,
+  };
+
+/* Register the protocol name and description */
+  proto_aim_signon = proto_register_protocol("AIM Signon", "AIM Signon", "aim_signon");
+
+/* Required function calls to register the header fields and subtrees used */
+  proto_register_field_array(proto_aim_signon, hf, array_length(hf));
+  proto_register_subtree_array(ett, array_length(ett));
+}
+
+void
+proto_reg_handoff_aim_signon(void)
+{
+  dissector_handle_t aim_handle;
+
+  aim_handle = new_create_dissector_handle(dissect_aim_snac_signon, proto_aim_signon);
+  dissector_add("aim.family", FAMILY_SIGNON, aim_handle);
+  aim_init_family(FAMILY_SIGNON, "Signon", aim_fnac_family_signon);
+}