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author | Holger Hans Peter Freyther <holger@moiji-mobile.com> | 2019-05-02 00:12:16 +0100 |
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committer | Holger Hans Peter Freyther <holger@moiji-mobile.com> | 2019-05-02 00:12:16 +0100 |
commit | 174d33681a4c093caa72efbc16067554bdee349f (patch) | |
tree | 69c480d191d77828f371b2b5641654b621af9ec6 | |
parent | 1646d9b827fe31416fda8cf0340317cf6b5f6fb3 (diff) |
udts/xudts: Attempt to implement unitdata service parsing
Use the new offset based parsing to extract GT and data from the
UDTS/XUDTS message as well. Test vectors are missing right now.
Change-Id: Id0a3a291d8bad3f8c9621e6c97d4ea0b8bbe6035
-rw-r--r-- | src/sccp.c | 30 |
1 files changed, 30 insertions, 0 deletions
@@ -469,6 +469,18 @@ int _sccp_parse_udt(struct msgb *msgb, struct sccp_parse_result *result) return _sccp_parse_unitdata(msgb, result, &offsets); } +int _sccp_parse_udts(struct msgb *msgb, struct sccp_parse_result *result) +{ + static const struct udt_offsets offsets = { + .header_size = sizeof(struct sccp_data_unitdata_service), + .called_offset = offsetof(struct sccp_data_unitdata_service, variable_called), + .calling_offset = offsetof(struct sccp_data_unitdata_service, variable_calling), + .data_offset = offsetof(struct sccp_data_unitdata_service, variable_data), + }; + + return _sccp_parse_unitdata(msgb, result, &offsets); +} + static int _sccp_parse_xudt(struct msgb *msgb, struct sccp_parse_result *result) { static const struct udt_offsets offsets = { @@ -481,6 +493,18 @@ static int _sccp_parse_xudt(struct msgb *msgb, struct sccp_parse_result *result) return _sccp_parse_unitdata(msgb, result, &offsets); } +static int _sccp_parse_xudts(struct msgb *msgb, struct sccp_parse_result *result) +{ + static const struct udt_offsets offsets = { + .header_size = sizeof(struct sccp_data_ext_unitdata_service), + .called_offset = offsetof(struct sccp_data_ext_unitdata_service, variable_called), + .calling_offset = offsetof(struct sccp_data_ext_unitdata_service, variable_calling), + .data_offset = offsetof(struct sccp_data_ext_unitdata_service, variable_data), + }; + + return _sccp_parse_unitdata(msgb, result, &offsets); +} + static int _sccp_parse_it(struct msgb *msgb, struct sccp_parse_result *result) { static const uint32_t header_size = sizeof(struct sccp_data_it); @@ -1490,9 +1514,15 @@ int sccp_parse_header(struct msgb *msg, struct sccp_parse_result *result) case SCCP_MSG_TYPE_UDT: return _sccp_parse_udt(msg, result); break; + case SCCP_MSG_TYPE_UDTS: + return _sccp_parse_udts(msg, result); + break; case SCCP_MSG_TYPE_XUDT: return _sccp_parse_xudt(msg, result); break; + case SCCP_MSG_TYPE_XUDTS: + return _sccp_parse_xudts(msg, result); + break; case SCCP_MSG_TYPE_IT: return _sccp_parse_it(msg, result); break; |