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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/asn1/smrse/packet-smrse-template.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/asn1/smrse/packet-smrse-template.c')
-rw-r--r-- | epan/dissectors/asn1/smrse/packet-smrse-template.c | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/epan/dissectors/asn1/smrse/packet-smrse-template.c b/epan/dissectors/asn1/smrse/packet-smrse-template.c new file mode 100644 index 00000000..d8695f80 --- /dev/null +++ b/epan/dissectors/asn1/smrse/packet-smrse-template.c @@ -0,0 +1,173 @@ +/* packet-smrse.c + * Routines for SMRSE Short Message Relay Service packet dissection + * Ronnie Sahlberg 2004 + * + * 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> +#include <epan/asn1.h> + +#include "packet-ber.h" +#include "packet-smrse.h" + +#define PNAME "Short Message Relaying Service" +#define PSNAME "SMRSE" +#define PFNAME "smrse" + +#define TCP_PORT_SMRSE 4321 /* Not IANA registered */ + +void proto_register_smrse(void); +void proto_reg_handoff_smrse(void); + +static dissector_handle_t smrse_handle; + +/* Initialize the protocol and registered fields */ +static int proto_smrse = -1; +static int hf_smrse_reserved = -1; +static int hf_smrse_tag = -1; +static int hf_smrse_length = -1; +static int hf_smrse_Octet_Format = -1; +#include "packet-smrse-hf.c" + +/* Initialize the subtree pointers */ +static gint ett_smrse = -1; +#include "packet-smrse-ett.c" + + +#include "packet-smrse-fn.c" + +static const value_string tag_vals[] = { + { 1, "AliveTest" }, + { 2, "AliveTestRsp" }, + { 3, "Bind" }, + { 4, "BindRsp" }, + { 5, "BindFail" }, + { 6, "Unbind" }, + { 7, "MT" }, + { 8, "MO" }, + { 9, "Ack" }, + { 10, "Error" }, + { 11, "Alert" }, + { 0, NULL } +}; + +static int +dissect_smrse(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree, void *data _U_) +{ + proto_item *item = NULL; + proto_tree *tree = NULL; + guint8 reserved, tag; + int offset=0; + asn1_ctx_t asn1_ctx; + asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, TRUE, pinfo); + + reserved=tvb_get_guint8(tvb, 0); + tag=tvb_get_guint8(tvb, 3); + + if( reserved!= 126 ) + return 0; + if( (tag<1)||(tag>11) ) + return 0; + + if(parent_tree){ + item = proto_tree_add_item(parent_tree, proto_smrse, tvb, 0, -1, ENC_NA); + tree = proto_item_add_subtree(item, ett_smrse); + } + + col_set_str(pinfo->cinfo, COL_PROTOCOL, "SMRSE"); + col_add_str(pinfo->cinfo, COL_INFO, val_to_str(tag, tag_vals,"Unknown Tag:0x%02x")); + + proto_tree_add_item(tree, hf_smrse_reserved, tvb, 0, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(tree, hf_smrse_length, tvb, 1, 2, ENC_BIG_ENDIAN); + proto_tree_add_item(tree, hf_smrse_tag, tvb, 3, 1, ENC_BIG_ENDIAN); + + switch(tag){ + case 1: + case 2: + offset=4; + break; + case 3: + offset=dissect_smrse_SMR_Bind(FALSE, tvb, 4, &asn1_ctx, tree, -1); + break; + case 4: + offset=dissect_smrse_SMR_Bind_Confirm(FALSE, tvb, 4, &asn1_ctx, tree, -1); + break; + case 5: + offset=dissect_smrse_SMR_Bind_Failure(FALSE, tvb, 4, &asn1_ctx, tree, -1); + break; + case 6: + offset=dissect_smrse_SMR_Unbind(FALSE, tvb, 4, &asn1_ctx, tree, -1); + break; + case 7: + offset=dissect_smrse_RPDataMT(FALSE, tvb, 4, &asn1_ctx, tree, -1); + break; + case 8: + offset=dissect_smrse_RPDataMO(FALSE, tvb, 4, &asn1_ctx, tree, -1); + break; + case 9: + offset=dissect_smrse_RPAck(FALSE, tvb, 4, &asn1_ctx, tree, -1); + break; + case 10: + offset=dissect_smrse_RPError(FALSE, tvb, 4, &asn1_ctx, tree, -1); + break; + case 11: + offset=dissect_smrse_RPAlertSC(FALSE, tvb, 4, &asn1_ctx, tree, -1); + break; + } + + return offset; +} + +/*--- proto_register_smrse ----------------------------------------------*/ +void proto_register_smrse(void) { + + /* List of fields */ + static hf_register_info hf[] = { + { &hf_smrse_reserved, { + "Reserved", "smrse.reserved", FT_UINT8, BASE_DEC, + NULL, 0, "Reserved byte, must be 126", HFILL }}, + { &hf_smrse_tag, { + "Tag", "smrse.tag", FT_UINT8, BASE_DEC, + VALS(tag_vals), 0, NULL, HFILL }}, + { &hf_smrse_length, { + "Length", "smrse.length", FT_UINT16, BASE_DEC, + NULL, 0, "Length of SMRSE PDU", HFILL }}, + { &hf_smrse_Octet_Format, + { "octet-Format", "smrse.octet_Format", + FT_STRING, BASE_NONE, NULL, 0, + "SMS-Address/address-value/octet-format", HFILL }}, + +#include "packet-smrse-hfarr.c" + }; + + /* List of subtrees */ + static gint *ett[] = { + &ett_smrse, +#include "packet-smrse-ettarr.c" + }; + + /* Register protocol */ + proto_smrse = proto_register_protocol(PNAME, PSNAME, PFNAME); + + /* Register dissector */ + smrse_handle = register_dissector(PFNAME, dissect_smrse, proto_smrse); + + /* Register fields and subtrees */ + proto_register_field_array(proto_smrse, hf, array_length(hf)); + proto_register_subtree_array(ett, array_length(ett)); + +} + + +/*--- proto_reg_handoff_smrse -------------------------------------------*/ +void proto_reg_handoff_smrse(void) { + dissector_add_uint_with_preference("tcp.port",TCP_PORT_SMRSE, smrse_handle); +} + |