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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 20:34:10 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 20:34:10 +0000 |
commit | e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc (patch) | |
tree | 68cb5ef9081156392f1dd62a00c6ccc1451b93df /epan/dissectors/packet-ipsi-ctl.c | |
parent | Initial commit. (diff) | |
download | wireshark-e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc.tar.xz wireshark-e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc.zip |
Adding upstream version 4.2.2.upstream/4.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'epan/dissectors/packet-ipsi-ctl.c')
-rw-r--r-- | epan/dissectors/packet-ipsi-ctl.c | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/epan/dissectors/packet-ipsi-ctl.c b/epan/dissectors/packet-ipsi-ctl.c new file mode 100644 index 00000000..8dc73a10 --- /dev/null +++ b/epan/dissectors/packet-ipsi-ctl.c @@ -0,0 +1,242 @@ +/* packet-ipsi-ctl.c + * Routines for Avaya IPSI Control packet disassembly + * Traffic is encapsulated Avaya proprietary CCMS + * (Control Channel Message Set) between PCD and SIM + * + * Copyright 2008, Randy McEoin <rmceoin@ahbelo.com> + * + * Wireshark - Network traffic analyzer + * By Gerald Combs <gerald@wireshark.org> + * Copyright 1998 Gerald Combs + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#include "config.h" + +#include <epan/packet.h> + +void proto_register_ipsictl(void); +void proto_reg_handoff_ipsictl(void); + +static dissector_handle_t ipsictl_handle = NULL; + +#define IPSICTL_PORT 5010 /* Not IANA registered */ +#define IPSICTL_PDU_MAGIC 0x0300 + +static int proto_ipsictl = -1; + +static int hf_ipsictl_pdu = -1; +static int hf_ipsictl_magic = -1; +static int hf_ipsictl_length = -1; +static int hf_ipsictl_type = -1; +static int hf_ipsictl_sequence = -1; +static int hf_ipsictl_field1 = -1; +static int hf_ipsictl_data = -1; + +static gint ett_ipsictl = -1; +static gint ett_ipsictl_pdu = -1; + +static int dissect_ipsictl(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) +{ + + proto_tree *ipsictl_tree; + proto_tree *pdu_tree; + proto_item *ti; + int offset = 0; + int loffset = 0; + int llength = 0; + int remaining_length; + guint16 magic; + guint16 length; + guint16 type=0; + guint16 sequence=0; + int first_sequence=-1; + int last_sequence=-1; + guint16 field1=0; + guint16 pdu=0; + int haspdus=0; + + remaining_length=tvb_reported_length_remaining(tvb, offset); + + ti = proto_tree_add_item(tree, proto_ipsictl, tvb, offset, remaining_length, ENC_NA); + ipsictl_tree = proto_item_add_subtree(ti, ett_ipsictl); + + magic = tvb_get_ntohs(tvb, offset); + if (magic == IPSICTL_PDU_MAGIC) + { + haspdus=1; + } + + while (haspdus && + ((remaining_length=tvb_reported_length_remaining(tvb, offset)) > 6)) + { + loffset = offset; + + magic = tvb_get_ntohs(tvb, loffset); loffset+=2; + length = tvb_get_ntohs(tvb, loffset); loffset+=2; + llength=length; + remaining_length-=4; + if (remaining_length>=2) + { + type = tvb_get_ntohs(tvb, loffset); loffset+=2; + remaining_length-=2; + llength-=2; + } + if (remaining_length>=2) + { + sequence = tvb_get_ntohs(tvb, loffset); loffset+=2; + remaining_length-=2; + llength-=2; + if (first_sequence==-1) + { + first_sequence=sequence; + }else{ + last_sequence=sequence; + } + } + if (remaining_length>=2) + { + field1 = tvb_get_ntohs(tvb, loffset); + llength-=2; + } + + ti = proto_tree_add_uint(ipsictl_tree, hf_ipsictl_pdu, tvb, + offset, (length+4), pdu); + pdu_tree = proto_item_add_subtree(ti, ett_ipsictl_pdu); + + loffset=offset; + remaining_length=tvb_reported_length_remaining(tvb, offset); + + if (tree) { + proto_tree_add_uint(pdu_tree, hf_ipsictl_magic, tvb, loffset, 2, magic); + } + loffset+=2; remaining_length-=2; + if (tree) { + proto_tree_add_uint(pdu_tree, hf_ipsictl_length, tvb, loffset, 2, length); + } + loffset+=2; remaining_length-=2; + + if (remaining_length>=2) + { + if (tree) { + proto_tree_add_uint(pdu_tree, hf_ipsictl_type, tvb, loffset, 2, type); + } + loffset+=2; remaining_length-=2; + } + if (remaining_length>=2) + { + if (tree) { + proto_tree_add_uint(pdu_tree, hf_ipsictl_sequence, tvb, loffset, 2, sequence); + } + loffset+=2; remaining_length-=2; + } + if (remaining_length>=2) + { + if (tree) { + proto_tree_add_uint(pdu_tree, hf_ipsictl_field1, tvb, loffset, 2, field1); + } + loffset+=2; remaining_length-=2; + } + if (remaining_length>=2) + { + if (tree) { + proto_tree_add_item(pdu_tree, hf_ipsictl_data, tvb, loffset, llength, ENC_NA); + } + loffset+=llength; + } + + offset=loffset; + pdu++; + } + + if (!haspdus) + { + proto_tree_add_item(ipsictl_tree, hf_ipsictl_data, tvb, offset, -1, ENC_NA); + } + + col_set_str(pinfo->cinfo, COL_PROTOCOL, "IPSICTL"); + + if (haspdus) + { + if (last_sequence==-1) + { + col_add_fstr(pinfo->cinfo, COL_INFO, "PDUS=%d, Seq=0x%04x", + pdu,first_sequence); + }else{ + col_add_fstr(pinfo->cinfo, COL_INFO, "PDUS=%d, Seq=0x%04x-0x%04x", + pdu,first_sequence,last_sequence); + } + }else{ + col_set_str(pinfo->cinfo, COL_INFO, "Initialization"); + } + + return tvb_captured_length(tvb); + +} /* dissect_ipsictl */ + +void proto_register_ipsictl(void) +{ + + static hf_register_info hf[] = { + { &hf_ipsictl_pdu, + { "PDU", "ipsictl.pdu", + FT_UINT16, BASE_DEC, NULL, 0x0, + "IPSICTL PDU", HFILL }}, + { &hf_ipsictl_magic, + { "Magic", "ipsictl.magic", + FT_UINT16, BASE_HEX, NULL, 0x0, + "IPSICTL Magic", HFILL }}, + { &hf_ipsictl_length, + { "Length", "ipsictl.length", + FT_UINT16, BASE_HEX, NULL, 0x0, + "IPSICTL Length", HFILL }}, + { &hf_ipsictl_type, + { "Type", "ipsictl.type", + FT_UINT16, BASE_HEX, NULL, 0x0, + "IPSICTL Type", HFILL }}, + { &hf_ipsictl_sequence, + { "Sequence", "ipsictl.sequence", + FT_UINT16, BASE_HEX, NULL, 0x0, + "IPSICTL Sequence", HFILL }}, + { &hf_ipsictl_field1, + { "Field1", "ipsictl.field1", + FT_UINT16, BASE_HEX, NULL, 0x0, + "IPSICTL Field1", HFILL }}, + { &hf_ipsictl_data, + { "Data", "ipsictl.data", + FT_BYTES, BASE_NONE, NULL, 0x0, + "IPSICTL data", HFILL }}, + }; + + static gint *ett[] = { + &ett_ipsictl, + &ett_ipsictl_pdu + }; + + proto_ipsictl = proto_register_protocol("IPSICTL", "IPSICTL", "ipsictl"); + proto_register_field_array(proto_ipsictl, hf, array_length(hf)); + proto_register_subtree_array(ett, array_length(ett)); + + ipsictl_handle = register_dissector("ipsictl", dissect_ipsictl, proto_ipsictl); +} + +void proto_reg_handoff_ipsictl(void) +{ + + dissector_add_uint_with_preference("tcp.port", IPSICTL_PORT, ipsictl_handle); + +} + +/* + * Editor modelines - https://www.wireshark.org/tools/modelines.html + * + * Local Variables: + * c-basic-offset: 2 + * tab-width: 8 + * indent-tabs-mode: nil + * End: + * + * ex: set shiftwidth=2 tabstop=8 expandtab: + * :indentSize=2:tabSize=8:noTabs=true: + */ |