diff options
Diffstat (limited to 'epan/dissectors/packet-bootparams.c')
| -rw-r--r-- | epan/dissectors/packet-bootparams.c | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/epan/dissectors/packet-bootparams.c b/epan/dissectors/packet-bootparams.c new file mode 100644 index 00000000..cde7b351 --- /dev/null +++ b/epan/dissectors/packet-bootparams.c @@ -0,0 +1,200 @@ +/* packet-bootparams.c + * Routines for bootparams dissection + * + * Wireshark - Network traffic analyzer + * By Gerald Combs <gerald@wireshark.org> + * Copyright 1998 Gerald Combs + * + * Copied from packet-smb.c + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#include "config.h" + + +#include "packet-rpc.h" + +#define BOOTPARAMSPROC_NULL 0 +#define BOOTPARAMSPROC_WHOAMI 1 +#define BOOTPARAMSPROC_GETFILE 2 + +#define BOOTPARAMS_PROGRAM 100026 + +void proto_register_bootparams(void); +void proto_reg_handoff_bootparams(void); + +static int proto_bootparams = -1; +static int hf_bootparams_procedure_v1 = -1; +static int hf_bootparams_host = -1; +static int hf_bootparams_domain = -1; +static int hf_bootparams_fileid = -1; +static int hf_bootparams_filepath = -1; +static int hf_bootparams_hostaddr = -1; +static int hf_bootparams_routeraddr = -1; +static int hf_bootparams_addresstype = -1; + +static gint ett_bootparams = -1; + + +static const value_string addr_type[] = +{ + { 1, "IPv4-ADDR" }, + { 0, NULL } +}; + +static int +dissect_bp_address(tvbuff_t *tvb, int offset, proto_tree *tree, int hfindex) +{ + guint32 type; + guint32 ipaddr; + + + type = tvb_get_ntohl(tvb, offset); + + offset = dissect_rpc_uint32(tvb, tree, hf_bootparams_addresstype, offset); + + switch(type){ + case 1: + ipaddr = ((tvb_get_guint8(tvb, offset+3 )&0xff)<<24) + |((tvb_get_guint8(tvb, offset+7 )&0xff)<<16) + |((tvb_get_guint8(tvb, offset+11)&0xff)<<8 ) + |((tvb_get_guint8(tvb, offset+15)&0xff) ); + proto_tree_add_ipv4(tree, hfindex, tvb, + offset, 16, g_ntohl(ipaddr)); + offset += 16; + break; + + default: + break; + } + + return offset; +} + + +static int +dissect_getfile_call(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, void* data _U_) +{ + int offset = 0; + + offset = dissect_rpc_string(tvb, tree, hf_bootparams_host, offset, NULL); + offset = dissect_rpc_string(tvb, tree, hf_bootparams_fileid, offset, NULL); + + return offset; +} + +static int +dissect_getfile_reply(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, void* data _U_) +{ + int offset = 0; + + offset = dissect_rpc_string(tvb, tree, hf_bootparams_host, offset, NULL); + offset = dissect_bp_address(tvb, offset, tree, hf_bootparams_hostaddr); + offset = dissect_rpc_string(tvb, tree, hf_bootparams_filepath, offset, NULL); + + return offset; +} + +static int +dissect_whoami_call(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, void* data _U_) +{ + int offset = dissect_bp_address(tvb, 0, tree, hf_bootparams_hostaddr); + + return offset; +} + +static int +dissect_whoami_reply(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, void* data _U_) +{ + int offset = 0; + + offset = dissect_rpc_string(tvb, tree, hf_bootparams_host, offset, NULL); + offset = dissect_rpc_string(tvb, tree, hf_bootparams_domain, offset, NULL); + offset = dissect_bp_address(tvb, offset, tree, hf_bootparams_routeraddr); + + return offset; +} + +/* proc number, "proc name", dissect_request, dissect_reply */ +static const vsff bootparams1_proc[] = { + { BOOTPARAMSPROC_NULL, "NULL", + dissect_rpc_void, dissect_rpc_void }, + { BOOTPARAMSPROC_WHOAMI, "WHOAMI", + dissect_whoami_call, dissect_whoami_reply }, + { BOOTPARAMSPROC_GETFILE, "GETFILE", + dissect_getfile_call, dissect_getfile_reply }, + { 0, NULL, NULL, NULL } +}; + +static const value_string bootparams1_proc_vals[] = { + { BOOTPARAMSPROC_NULL, "NULL" }, + { BOOTPARAMSPROC_WHOAMI, "WHOAMI" }, + { BOOTPARAMSPROC_GETFILE, "GETFILE" }, + { 0, NULL } +}; +/* end of Bootparams version 1 */ + +static const rpc_prog_vers_info bootparams_vers_info[] = { + { 1, bootparams1_proc, &hf_bootparams_procedure_v1 }, +}; + +void +proto_register_bootparams(void) +{ + static hf_register_info hf[] = { + { &hf_bootparams_procedure_v1, { + "V1 Procedure", "bootparams.procedure_v1", FT_UINT32, BASE_DEC, + VALS(bootparams1_proc_vals), 0, NULL, HFILL }}, + { &hf_bootparams_host, { + "Client Host", "bootparams.host", FT_STRING, BASE_NONE, + NULL, 0, NULL, HFILL }}, + { &hf_bootparams_domain, { + "Client Domain", "bootparams.domain", FT_STRING, BASE_NONE, + NULL, 0, NULL, HFILL }}, + { &hf_bootparams_fileid, { + "File ID", "bootparams.fileid", FT_STRING, BASE_NONE, + NULL, 0, NULL, HFILL }}, + { &hf_bootparams_filepath, { + "File Path", "bootparams.filepath", FT_STRING, BASE_NONE, + NULL, 0, NULL, HFILL }}, + { &hf_bootparams_hostaddr, { + "Client Address", "bootparams.hostaddr", FT_IPv4, BASE_NONE, + NULL, 0, "Address", HFILL }}, + { &hf_bootparams_routeraddr, { + "Router Address", "bootparams.routeraddr", FT_IPv4, BASE_NONE, + NULL, 0, NULL, HFILL }}, + { &hf_bootparams_addresstype, { + "Address Type", "bootparams.type", FT_UINT32, BASE_DEC, + VALS(addr_type), 0, NULL, HFILL }}, + }; + static gint *ett[] = { + &ett_bootparams, + }; + + proto_bootparams = proto_register_protocol("Boot Parameters", + "BOOTPARAMS", "bootparams"); + proto_register_field_array(proto_bootparams, hf, array_length(hf)); + proto_register_subtree_array(ett, array_length(ett)); +} + +void +proto_reg_handoff_bootparams(void) +{ + /* Register the protocol as RPC */ + rpc_init_prog(proto_bootparams, BOOTPARAMS_PROGRAM, ett_bootparams, + G_N_ELEMENTS(bootparams_vers_info), bootparams_vers_info); +} + +/* + * Editor modelines - https://www.wireshark.org/tools/modelines.html + * + * Local variables: + * c-basic-offset: 8 + * tab-width: 8 + * indent-tabs-mode: t + * End: + * + * vi: set shiftwidth=8 tabstop=8 noexpandtab: + * :indentSize=8:tabSize=8:noTabs=false: + */ |