aboutsummaryrefslogtreecommitdiffstats
path: root/src/tests/rua_helper.c
blob: d1dcbf695784cd55e469bae2c8bde384040f384a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
#include "rua_common.h"
#include "rua_ies_defs.h"
#include <osmocom/netif/stream.h>

#include "hnbgw.h"
#include "asn1helpers.h"

struct msgb *rua_new_udt(struct msgb *inmsg)
{
	RUA_ConnectionlessTransfer_t out;
	RUA_ConnectionlessTransferIEs_t ies;
	struct msgb *msg;
	int rc;

	memset(&ies, 0, sizeof(ies));
	OCTET_STRING_fromBuf(&ies.ranaP_Message.buf, inmsg->data, msgb_length(inmsg));
	msgb_free(inmsg);

	memset(&out, 0, sizeof(out));
	rc = rua_encode_connectionlesstransferies(&out, &ies);
	if (rc < 0)
		return NULL;

	msg = rua_generate_initiating_message(RUA_ProcedureCode_id_ConnectionlessTransfer,
					      RUA_Criticality_reject,
					      &asn_DEF_RUA_ConnectionlessTransfer,
					      &out);

	ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_RUA_ConnectionlessTransfer, &out);

	DEBUGP(DMAIN, "transmitting RUA payload of %u bytes\n", msgb_length(msg));

	msgb_sctp_ppid(msg) = IUH_PPI_RUA;

	return msg;
}

struct msgb *rua_new_conn(int is_ps, uint32_t context_id, struct msgb *inmsg)
{
	RUA_Connect_t out;
	RUA_ConnectIEs_t ies;
	struct msgb *msg;
	uint32_t ctxidbuf;
	int rc;

	memset(&ies, 0, sizeof(ies));
	if (is_ps)
		ies.cN_DomainIndicator = RUA_CN_DomainIndicator_ps_domain;
	else
		ies.cN_DomainIndicator = RUA_CN_DomainIndicator_cs_domain;
	asn1_u24_to_bitstring(&ies.context_ID, &ctxidbuf, context_id);
	ies.establishment_Cause = RUA_Establishment_Cause_normal_call;
	OCTET_STRING_fromBuf(&ies.ranaP_Message.buf, inmsg->data, msgb_length(inmsg));
	msgb_free(inmsg);

	memset(&out, 0, sizeof(out));
	rc = rua_encode_connecties(&out, &ies);
	if (rc < 0)
		return NULL;

	msg = rua_generate_initiating_message(RUA_ProcedureCode_id_Connect,
					      RUA_Criticality_reject,
					      &asn_DEF_RUA_Connect,
					      &out);

	ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_RUA_Connect, &out);

	DEBUGP(DMAIN, "transmitting RUA payload of %u bytes\n", msgb_length(msg));

	msgb_sctp_ppid(msg) = IUH_PPI_RUA;

	return msg;
}

struct msgb *rua_new_dt(int is_ps, uint32_t context_id, struct msgb *inmsg)
{
	RUA_DirectTransfer_t out;
	RUA_DirectTransferIEs_t ies;
	struct msgb *msg;
	uint32_t ctxidbuf;
	int rc;

	memset(&ies, 0, sizeof(ies));
	if (is_ps)
		ies.cN_DomainIndicator = RUA_CN_DomainIndicator_ps_domain;
	else
		ies.cN_DomainIndicator = RUA_CN_DomainIndicator_cs_domain;
	asn1_u24_to_bitstring(&ies.context_ID, &ctxidbuf, context_id);
	OCTET_STRING_fromBuf(&ies.ranaP_Message.buf, inmsg->data, msgb_length(inmsg));
	msgb_free(inmsg);

	memset(&out, 0, sizeof(out));
	rc = rua_encode_directtransferies(&out, &ies);
	if (rc < 0)
		return NULL;

	msg = rua_generate_initiating_message(RUA_ProcedureCode_id_DirectTransfer,
					      RUA_Criticality_reject,
					      &asn_DEF_RUA_DirectTransfer,
					      &out);

	ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_RUA_DirectTransfer, &out);

	DEBUGP(DMAIN, "transmitting RUA payload of %u bytes\n", msgb_length(msg));

	msgb_sctp_ppid(msg) = IUH_PPI_RUA;

	return msg;
}

struct msgb *rua_new_disc(int is_ps, uint32_t context_id, struct msgb *inmsg)
{
	RUA_Disconnect_t out;
	RUA_DisconnectIEs_t ies;
	struct msgb *msg;
	uint32_t ctxidbuf;
	int rc;

	memset(&ies, 0, sizeof(ies));
	if (is_ps)
		ies.cN_DomainIndicator = RUA_CN_DomainIndicator_ps_domain;
	else
		ies.cN_DomainIndicator = RUA_CN_DomainIndicator_cs_domain;
	asn1_u24_to_bitstring(&ies.context_ID, &ctxidbuf, context_id);
	/* FIXME: make cause configurable */
	ies.cause.present = RUA_Cause_PR_radioNetwork;
	ies.cause.choice.radioNetwork = RUA_CauseRadioNetwork_normal;
	if (inmsg && inmsg->data&& msgb_length(inmsg)) {
		ies.presenceMask |= DISCONNECTIES_RUA_RANAP_MESSAGE_PRESENT;
		OCTET_STRING_fromBuf(&ies.ranaP_Message.buf, inmsg->data, msgb_length(inmsg));
	}
	msgb_free(inmsg);

	memset(&out, 0, sizeof(out));
	rc = rua_encode_disconnecties(&out, &ies);
	if (rc < 0)
		return NULL;

	msg = rua_generate_initiating_message(RUA_ProcedureCode_id_Disconnect,
					      RUA_Criticality_reject,
					      &asn_DEF_RUA_Disconnect,
					      &out);

	ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_RUA_Disconnect, &out);

	DEBUGP(DMAIN, "transmitting RUA payload of %u bytes\n", msgb_length(msg));

	msgb_sctp_ppid(msg) = IUH_PPI_RUA;

	return msg;
}