diff options
Diffstat (limited to 'src/sccp/sccp.c')
| -rw-r--r-- | src/sccp/sccp.c | 33 |
1 files changed, 22 insertions, 11 deletions
diff --git a/src/sccp/sccp.c b/src/sccp/sccp.c index e054df5..5d48642 100644 --- a/src/sccp/sccp.c +++ b/src/sccp/sccp.c @@ -512,6 +512,24 @@ static int _sccp_parse_err(struct msgb *msgb, struct sccp_parse_result *result) return 0; } +static void create_sccp_addr(struct msgb *msg, const struct sockaddr_sccp *sock) +{ + uint8_t *data; + + data = msgb_put(msg, 1 + 2 + sock->gti_len); + data[0] = 2; + + if (sock->gti) + data[1] = 0 << 6 | (sock->gti_ind & 0x0f) << 2; + else + data[1] = 1 << 6 | 1 << 1; + + data[2] = sock->sccp_ssn; + + /* copy the gti if it is present */ + memcpy(&data[3], sock->gti, sock->gti_len); +} + /* * Send UDT. Currently we have a fixed address... */ @@ -534,19 +552,12 @@ static int _sccp_send_data(int class, const struct sockaddr_sccp *in, udt->type = SCCP_MSG_TYPE_UDT; udt->proto_class = class; udt->variable_called = 3; - udt->variable_calling = 5; - udt->variable_data = 7; + udt->variable_calling = 5 + out->gti_len; + udt->variable_data = 7 + out->gti_len + in->gti_len; /* for variable data we start with a size and the data */ - data = msgb_put(msg, 1 + 2); - data[0] = 2; - data[1] = 0x42; - data[2] = out->sccp_ssn; - - data = msgb_put(msg, 1 + 2); - data[0] = 2; - data[1] = 0x42; - data[2] = in->sccp_ssn; + create_sccp_addr(msg, out); + create_sccp_addr(msg, in); /* copy the payload */ data = msgb_put(msg, 1 + msgb_l3len(payload)); |