diff options
author | Jeff Morriss <jeff.morriss@ulticom.com> | 2010-05-25 21:12:43 +0000 |
---|---|---|
committer | Jeff Morriss <jeff.morriss@ulticom.com> | 2010-05-25 21:12:43 +0000 |
commit | a12990e60303edf9dcdbdf49e70b6fe6762b47d5 (patch) | |
tree | dcd539e651e736101201a5dea4dece2fa51475b0 /epan/dissectors/packet-m2pa.c | |
parent | 7436d045509a80fdf6e1ab1403daf249a4ebd595 (diff) |
RFC 4165 uses the same message/parameter formats as draft-12 did so let's
call it RFC 4165.
svn path=/trunk/; revision=32953
Diffstat (limited to 'epan/dissectors/packet-m2pa.c')
-rw-r--r-- | epan/dissectors/packet-m2pa.c | 92 |
1 files changed, 46 insertions, 46 deletions
diff --git a/epan/dissectors/packet-m2pa.c b/epan/dissectors/packet-m2pa.c index db4117a787..4ce6f713a6 100644 --- a/epan/dissectors/packet-m2pa.c +++ b/epan/dissectors/packet-m2pa.c @@ -3,7 +3,7 @@ * It is hopefully (needs testing) compliant to * http://www.ietf.org/internet-drafts/draft-ietf-sigtran-m2pa-02.txt * http://www.ietf.org/internet-drafts/draft-ietf-sigtran-m2pa-08.txt - * http://www.ietf.org/internet-drafts/draft-ietf-sigtran-m2pa-12.txt + * http://tools.ietf.org/rfc/rfc4165.txt * * Copyright 2001, 2002, Jeff Morriss <jeff.morriss[AT]ulticom.com>, * updated by Michael Tuexen <tuexen [AT] fh-muenster.de> @@ -54,7 +54,7 @@ static int hf_version = -1; static int hf_spare = -1; static int hf_v2_type = -1; static int hf_v8_type = -1; -static int hf_v12_type = -1; +static int hf_type = -1; static int hf_class = -1; static int hf_length = -1; static int hf_unused = -1; @@ -62,7 +62,7 @@ static int hf_bsn = -1; static int hf_fsn = -1; static int hf_v2_status = -1; static int hf_v8_status = -1; -static int hf_v12_status = -1; +static int hf_status = -1; static int hf_v2_li_spare = -1; static int hf_v8_li_spare = -1; static int hf_v2_li_prio = -1; @@ -81,17 +81,17 @@ static dissector_handle_t mtp3_handle; typedef enum { M2PA_V02 = 1, M2PA_V08 = 2, - M2PA_V12 = 3 + M2PA_RFC4165 = 3 } Version_Type; -static gint m2pa_version = M2PA_V12; +static gint m2pa_version = M2PA_RFC4165; #define VERSION_LENGTH 1 #define SPARE_LENGTH 1 #define CLASS_LENGTH 1 #define V2_TYPE_LENGTH 2 #define V8_TYPE_LENGTH 1 -#define V12_TYPE_LENGTH V8_TYPE_LENGTH +#define TYPE_LENGTH V8_TYPE_LENGTH #define LENGTH_LENGTH 4 #define UNUSED_LENGTH 1 #define BSN_LENGTH 3 @@ -104,7 +104,7 @@ static gint m2pa_version = M2PA_V12; CLASS_LENGTH + V8_TYPE_LENGTH + LENGTH_LENGTH + \ UNUSED_LENGTH + BSN_LENGTH + UNUSED_LENGTH + \ FSN_LENGTH) -#define V12_HEADER_LENGTH V8_HEADER_LENGTH +#define HEADER_LENGTH V8_HEADER_LENGTH #define HEADER_OFFSET 0 #define VERSION_OFFSET HEADER_OFFSET @@ -112,9 +112,9 @@ static gint m2pa_version = M2PA_V12; #define CLASS_OFFSET (SPARE_OFFSET + SPARE_LENGTH) #define V2_TYPE_OFFSET (SPARE_OFFSET + SPARE_LENGTH) #define V8_TYPE_OFFSET (CLASS_OFFSET + CLASS_LENGTH) -#define V12_TYPE_OFFSET V8_TYPE_OFFSET +#define TYPE_OFFSET V8_TYPE_OFFSET #define V8_LENGTH_OFFSET (V8_TYPE_OFFSET + V8_TYPE_LENGTH) -#define V12_LENGTH_OFFSET V8_LENGTH_OFFSET +#define LENGTH_OFFSET V8_LENGTH_OFFSET #define V2_LENGTH_OFFSET (V2_TYPE_OFFSET + V2_TYPE_LENGTH) #define FIRST_UNUSED_OFFSET (V8_LENGTH_OFFSET + LENGTH_LENGTH) #define BSN_OFFSET (FIRST_UNUSED_OFFSET + UNUSED_LENGTH) @@ -145,13 +145,13 @@ static const value_string v8_message_type_values[] = { { V8_LINK_STATUS_TYPE, "Link Status" }, { 0, NULL } }; -#define V12_USER_DATA_TYPE V8_USER_DATA_TYPE -#define V12_LINK_STATUS_TYPE V8_LINK_STATUS_TYPE +#define USER_DATA_TYPE V8_USER_DATA_TYPE +#define LINK_STATUS_TYPE V8_LINK_STATUS_TYPE -static const value_string v12_message_type_values[] = { - { V12_USER_DATA_TYPE, "User Data" }, - { V12_LINK_STATUS_TYPE, "Link Status" }, - { 0, NULL } }; +static const value_string message_type_values[] = { + { USER_DATA_TYPE, "User Data" }, + { LINK_STATUS_TYPE, "Link Status" }, + { 0, NULL } }; static void dissect_v2_header(tvbuff_t *header_tvb, packet_info *pinfo, proto_tree *m2pa_tree) @@ -195,7 +195,7 @@ dissect_v8_header(tvbuff_t *header_tvb, packet_info *pinfo, proto_tree *m2pa_tre } static void -dissect_v12_header(tvbuff_t *header_tvb, packet_info *pinfo, proto_tree *m2pa_tree) +dissect_header(tvbuff_t *header_tvb, packet_info *pinfo, proto_tree *m2pa_tree) { guint8 message_type; @@ -208,8 +208,8 @@ dissect_v12_header(tvbuff_t *header_tvb, packet_info *pinfo, proto_tree *m2pa_tr proto_tree_add_item(m2pa_tree, hf_version, header_tvb, VERSION_OFFSET, VERSION_LENGTH, ENC_BIG_ENDIAN); proto_tree_add_item(m2pa_tree, hf_spare, header_tvb, SPARE_OFFSET, SPARE_LENGTH, ENC_BIG_ENDIAN); proto_tree_add_item(m2pa_tree, hf_class, header_tvb, CLASS_OFFSET, CLASS_LENGTH, ENC_BIG_ENDIAN); - proto_tree_add_item(m2pa_tree, hf_v12_type, header_tvb, V12_TYPE_OFFSET, V12_TYPE_LENGTH, ENC_BIG_ENDIAN); - proto_tree_add_item(m2pa_tree, hf_length, header_tvb, V12_LENGTH_OFFSET, LENGTH_LENGTH, ENC_BIG_ENDIAN); + proto_tree_add_item(m2pa_tree, hf_type, header_tvb, TYPE_OFFSET, TYPE_LENGTH, ENC_BIG_ENDIAN); + proto_tree_add_item(m2pa_tree, hf_length, header_tvb, LENGTH_OFFSET, LENGTH_LENGTH, ENC_BIG_ENDIAN); proto_tree_add_item(m2pa_tree, hf_unused, header_tvb, FIRST_UNUSED_OFFSET, UNUSED_LENGTH, ENC_BIG_ENDIAN); proto_tree_add_item(m2pa_tree, hf_bsn, header_tvb, BSN_OFFSET, BSN_LENGTH, ENC_BIG_ENDIAN); proto_tree_add_item(m2pa_tree, hf_unused, header_tvb, SECOND_UNUSED_OFFSET, UNUSED_LENGTH, ENC_BIG_ENDIAN); @@ -281,7 +281,7 @@ dissect_v8_user_data_message(tvbuff_t *message_data_tvb, packet_info *pinfo, pro #define PRI_LENGTH 1 static void -dissect_v12_user_data_message(tvbuff_t *message_data_tvb, packet_info *pinfo, proto_item *m2pa_item, proto_tree *m2pa_tree, proto_tree *tree) +dissect_user_data_message(tvbuff_t *message_data_tvb, packet_info *pinfo, proto_item *m2pa_item, proto_tree *m2pa_tree, proto_tree *tree) { proto_item *m2pa_li_item; proto_tree *m2pa_li_tree; @@ -295,7 +295,7 @@ dissect_v12_user_data_message(tvbuff_t *message_data_tvb, packet_info *pinfo, pr proto_tree_add_item(m2pa_li_tree, hf_pri_spare, message_data_tvb, PRI_OFFSET, PRI_LENGTH, ENC_BIG_ENDIAN); /* Re-adjust length of M2PA item since it will be dissected as MTP3 */ - proto_item_set_len(m2pa_item, V12_HEADER_LENGTH + PRI_LENGTH); + proto_item_set_len(m2pa_item, HEADER_LENGTH + PRI_LENGTH); } payload_tvb = tvb_new_subset_remaining(message_data_tvb, MTP3_OFFSET); @@ -351,7 +351,7 @@ dissect_v8_link_status_message(tvbuff_t *message_data_tvb, packet_info *pinfo, p proto_tree_add_item(m2pa_tree, hf_filler, message_data_tvb, FILLER_OFFSET, filler_length, ENC_BIG_ENDIAN); } -static const value_string v12_link_status_values[] = { +static const value_string link_status_values[] = { { 1, "Alignment" }, { 2, "Proving Normal" }, { 3, "Proving Emergency" }, @@ -364,16 +364,16 @@ static const value_string v12_link_status_values[] = { { 0, NULL } }; static void -dissect_v12_link_status_message(tvbuff_t *message_data_tvb, packet_info *pinfo, proto_tree *m2pa_tree) +dissect_link_status_message(tvbuff_t *message_data_tvb, packet_info *pinfo, proto_tree *m2pa_tree) { guint16 filler_length; if (check_col(pinfo->cinfo, COL_INFO)) - col_append_fstr(pinfo->cinfo, COL_INFO, "(%s) ", val_to_str(tvb_get_ntohl(message_data_tvb, STATUS_OFFSET), v12_link_status_values, "Unknown")); + col_append_fstr(pinfo->cinfo, COL_INFO, "(%s) ", val_to_str(tvb_get_ntohl(message_data_tvb, STATUS_OFFSET), link_status_values, "Unknown")); filler_length = tvb_length(message_data_tvb) - STATUS_LENGTH; - proto_tree_add_item(m2pa_tree, hf_v12_status, message_data_tvb, STATUS_OFFSET, STATUS_LENGTH, ENC_BIG_ENDIAN); + proto_tree_add_item(m2pa_tree, hf_status, message_data_tvb, STATUS_OFFSET, STATUS_LENGTH, ENC_BIG_ENDIAN); if (filler_length > 0) proto_tree_add_item(m2pa_tree, hf_filler, message_data_tvb, FILLER_OFFSET, filler_length, ENC_BIG_ENDIAN); } @@ -452,27 +452,27 @@ dissect_v8_message_data(tvbuff_t *message_tvb, packet_info *pinfo, proto_item *m } } -#define V12_MESSAGE_DATA_OFFSET (HEADER_OFFSET + V12_HEADER_LENGTH) +#define MESSAGE_DATA_OFFSET (HEADER_OFFSET + HEADER_LENGTH) static void -dissect_v12_message_data(tvbuff_t *message_tvb, packet_info *pinfo, proto_item *m2pa_item, proto_tree *m2pa_tree, proto_tree *tree) +dissect_message_data(tvbuff_t *message_tvb, packet_info *pinfo, proto_item *m2pa_item, proto_tree *m2pa_tree, proto_tree *tree) { guint32 length, message_data_length, actual_length; guint8 type; tvbuff_t *message_data_tvb; - length = tvb_get_ntohl(message_tvb, V12_LENGTH_OFFSET); - message_data_length = length - V12_HEADER_LENGTH; - message_data_tvb = tvb_new_subset(message_tvb, V12_MESSAGE_DATA_OFFSET, message_data_length, message_data_length); - type = tvb_get_guint8(message_tvb, V12_TYPE_OFFSET); + length = tvb_get_ntohl(message_tvb, LENGTH_OFFSET); + message_data_length = length - HEADER_LENGTH; + message_data_tvb = tvb_new_subset(message_tvb, MESSAGE_DATA_OFFSET, message_data_length, message_data_length); + type = tvb_get_guint8(message_tvb, TYPE_OFFSET); switch(type) { - case V12_USER_DATA_TYPE: - dissect_v12_user_data_message(message_data_tvb, pinfo, m2pa_item, m2pa_tree, tree); + case USER_DATA_TYPE: + dissect_user_data_message(message_data_tvb, pinfo, m2pa_item, m2pa_tree, tree); break; - case V12_LINK_STATUS_TYPE: - dissect_v12_link_status_message(message_data_tvb, pinfo, m2pa_tree); + case LINK_STATUS_TYPE: + dissect_link_status_message(message_data_tvb, pinfo, m2pa_tree); break; default: dissect_unknown_message(message_data_tvb, m2pa_tree); @@ -506,10 +506,10 @@ dissect_v8_message(tvbuff_t *message_tvb, packet_info *pinfo, proto_item *m2pa_i } static void -dissect_v12_message(tvbuff_t *message_tvb, packet_info *pinfo, proto_item *m2pa_item, proto_tree *m2pa_tree, proto_tree *tree) +dissect_message(tvbuff_t *message_tvb, packet_info *pinfo, proto_item *m2pa_item, proto_tree *m2pa_tree, proto_tree *tree) { - dissect_v12_header(message_tvb, pinfo, m2pa_tree); - dissect_v12_message_data(message_tvb, pinfo, m2pa_item, m2pa_tree, tree); + dissect_header(message_tvb, pinfo, m2pa_tree); + dissect_message_data(message_tvb, pinfo, m2pa_item, m2pa_tree, tree); } static void @@ -526,8 +526,8 @@ dissect_m2pa(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) case M2PA_V08: col_set_str(pinfo->cinfo, COL_PROTOCOL, "M2PA (ID 08)"); break; - case M2PA_V12: - col_set_str(pinfo->cinfo, COL_PROTOCOL, "M2PA (ID 12)"); + case M2PA_RFC4165: + col_set_str(pinfo->cinfo, COL_PROTOCOL, "M2PA"); break; }; @@ -546,8 +546,8 @@ dissect_m2pa(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) case M2PA_V08: dissect_v8_message(tvb, pinfo, m2pa_item, m2pa_tree, tree); break; - case M2PA_V12: - dissect_v12_message(tvb, pinfo, m2pa_item, m2pa_tree, tree); + case M2PA_RFC4165: + dissect_message(tvb, pinfo, m2pa_item, m2pa_tree, tree); break; }; } @@ -560,7 +560,7 @@ proto_register_m2pa(void) { &hf_spare, { "Spare", "m2pa.spare", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL} }, { &hf_v2_type, { "Message Type", "m2pa.type", FT_UINT16, BASE_HEX, VALS(v2_message_type_values), 0x0, NULL, HFILL} }, { &hf_v8_type, { "Message Type", "m2pa.type", FT_UINT8, BASE_DEC, VALS(v8_message_type_values), 0x0, NULL, HFILL} }, - { &hf_v12_type, { "Message Type", "m2pa.type", FT_UINT8, BASE_DEC, VALS(v12_message_type_values), 0x0, NULL, HFILL} }, + { &hf_type, { "Message Type", "m2pa.type", FT_UINT8, BASE_DEC, VALS(message_type_values), 0x0, NULL, HFILL} }, { &hf_class, { "Message Class", "m2pa.class", FT_UINT8, BASE_DEC, VALS(message_class_values), 0x0, NULL, HFILL} }, { &hf_length, { "Message length", "m2pa.length", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL} }, { &hf_unused, { "Unused", "m2pa.unused", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL} }, @@ -574,7 +574,7 @@ proto_register_m2pa(void) { &hf_pri_prio, { "Priority", "m2pa.priority", FT_UINT8, BASE_HEX, NULL, PRIORITY_MASK, NULL, HFILL} }, { &hf_v2_status, { "Link Status", "m2pa.status", FT_UINT32, BASE_DEC, VALS(v2_link_status_values), 0x0, NULL, HFILL} }, { &hf_v8_status, { "Link Status", "m2pa.status", FT_UINT32, BASE_DEC, VALS(v8_link_status_values), 0x0, NULL, HFILL} }, - { &hf_v12_status, { "Link Status", "m2pa.status", FT_UINT32, BASE_DEC, VALS(v12_link_status_values), 0x0, NULL, HFILL} }, + { &hf_status, { "Link Status", "m2pa.status", FT_UINT32, BASE_DEC, VALS(link_status_values), 0x0, NULL, HFILL} }, { &hf_filler, { "Filler", "m2pa.filler", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL} }, { &hf_unknown_data, { "Unknown Data", "m2pa.unknown_data", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL} }, { &hf_undecode_data,{ "Undecoded data", "m2pa.undecoded_data", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL} } @@ -586,9 +586,9 @@ proto_register_m2pa(void) }; static enum_val_t m2pa_version_options[] = { - { "draft-2", "Internet Draft version 2", M2PA_V02 }, - { "draft-8", "Internet Draft version 8", M2PA_V08 }, - { "draft-12", "Internet Draft version 12", M2PA_V12 }, + { "draft-2", "Internet Draft version 2", M2PA_V02 }, + { "draft-8", "Internet Draft version 8", M2PA_V08 }, + { "RFC4165", "RFC 4165", M2PA_RFC4165 }, { NULL, NULL, 0 } }; |