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gerrit.osmocom.org / osmo-iuh / 350814a5cb1abaf3b4c00efd14fbd4a28a5149db / . / src / hnbgw_ranap.c
blob: 44a920b9379d24248bbe320ce3e2066b3c535013 [file] [log] [blame]
Harald Welte350814a2015-09-10 22:32:15 +0200[diff] [blame^]1#include <osmocom/core/msgb.h>
2#include <osmocom/core/utils.h>
3
4#include <unistd.h>
5#include <errno.h>
6#include <string.h>
7
8#include "asn1helpers.h"
9
10#include "hnbgw.h"
11//#include "ranap_common.h"
12
13#include "ranap/RANAP_RANAP-PDU.h"
14#include "ranap/RANAP_ResetAcknowledge.h"
15#include "ranap/RANAP_Reset.h"
16#include "ranap/RANAP_ProtocolIE-ID.h"
17#include "ranap/RANAP_Cause.h"
18#include "ranap/RANAP_CN-DomainIndicator.h"
19#include "ranap/RANAP_GlobalRNC-ID.h"
20#include "ranap/RANAP_CriticalityDiagnostics.h"
21
22
23/***********************************************************************
24 * BEGIN auto-generated copy+pasted
25 ***********************************************************************/
26
27/* this is copy+pasted from the asn1tostruct generated code that doesn't
28 * compile as a whole */
29
30#define RANAP_DEBUG(x, args ...) DEBUGP(0, x, ## args)
31
32extern int asn1_xer_print;
33
34struct msgb *ranap_generate_successful_outcome(
35 e_RANAP_ProcedureCode procedureCode,
36 RANAP_Criticality_t criticality,
37 asn_TYPE_descriptor_t * td,
38 void *sptr);
39
40RANAP_IE_t *ranap_new_ie(RANAP_ProtocolIE_ID_t id, RANAP_Criticality_t criticality,
41 asn_TYPE_descriptor_t *type, void *sptr);
42
43#define RESETIES_RANAP_GLOBALRNC_ID_PRESENT (1 << 0)
44
45typedef struct RANAP_ResetIEs_s {
46 uint16_t presenceMask;
47 RANAP_Cause_t cause;
48 RANAP_CN_DomainIndicator_t cN_DomainIndicator;
49 RANAP_GlobalRNC_ID_t globalRNC_ID; ///< Optional field
50} RANAP_ResetIEs_t;
51
52#define RESETACKNOWLEDGEIES_RANAP_CRITICALITYDIAGNOSTICS_PRESENT (1 << 0)
53#define RESETACKNOWLEDGEIES_RANAP_GLOBALRNC_ID_PRESENT (1 << 1)
54
55typedef struct RANAP_ResetAcknowledgeIEs_s {
56 uint16_t presenceMask;
57 RANAP_CN_DomainIndicator_t cN_DomainIndicator;
58 RANAP_CriticalityDiagnostics_t criticalityDiagnostics; ///< Optional field
59 RANAP_GlobalRNC_ID_t globalRNC_ID; ///< Optional field
60} RANAP_ResetAcknowledgeIEs_t;
61
62int ranap_decode_reseties(
63 RANAP_ResetIEs_t *resetIEs,
64 ANY_t *any_p) {
65
66 RANAP_Reset_t reset;
67 RANAP_Reset_t *reset_p = &reset;
68 int i, decoded = 0;
69 int tempDecoded = 0;
70 assert(any_p != NULL);
71 assert(resetIEs != NULL);
72
73 RANAP_DEBUG("Decoding message RANAP_ResetIEs (%s:%d)\n", __FILE__, __LINE__);
74
75 ANY_to_type_aper(any_p, &asn_DEF_RANAP_Reset, (void**)&reset_p);
76
77 for (i = 0; i < reset_p->reset_ies.list.count; i++) {
78 RANAP_IE_t *ie_p;
79 ie_p = reset_p->reset_ies.list.array[i];
80 switch(ie_p->id) {
81 case RANAP_ProtocolIE_ID_id_Cause:
82 {
83 RANAP_Cause_t ranaP_Cause;
84 RANAP_Cause_t *ranaP_Cause_p = &ranaP_Cause;
85 tempDecoded = ANY_to_type_aper(&ie_p->value, &asn_DEF_RANAP_Cause, (void**)&ranaP_Cause_p);
86 if (tempDecoded < 0) {
87 RANAP_DEBUG("Decoding of IE cause failed\n");
88 return -1;
89 }
90 decoded += tempDecoded;
91 if (asn1_xer_print)
92 xer_fprint(stdout, &asn_DEF_RANAP_Cause, ranaP_Cause_p);
93 memcpy(&resetIEs->cause, ranaP_Cause_p, sizeof(RANAP_Cause_t));
94 } break;
95 case RANAP_ProtocolIE_ID_id_CN_DomainIndicator:
96 {
97 RANAP_CN_DomainIndicator_t ranaP_CNDomainIndicator;
98 RANAP_CN_DomainIndicator_t *ranaP_CNDomainIndicator_p = &ranaP_CNDomainIndicator;
99 tempDecoded = ANY_to_type_aper(&ie_p->value, &asn_DEF_RANAP_CN_DomainIndicator, (void**)&ranaP_CNDomainIndicator_p);
100 if (tempDecoded < 0) {
101 RANAP_DEBUG("Decoding of IE cN_DomainIndicator failed\n");
102 return -1;
103 }
104 decoded += tempDecoded;
105 if (asn1_xer_print)
106 xer_fprint(stdout, &asn_DEF_RANAP_CN_DomainIndicator, ranaP_CNDomainIndicator_p);
107 memcpy(&resetIEs->cN_DomainIndicator, ranaP_CNDomainIndicator_p, sizeof(RANAP_CN_DomainIndicator_t));
108 } break;
109 /* Optional field */
110 case RANAP_ProtocolIE_ID_id_GlobalRNC_ID:
111 {
112#if 0
113 RANAP_GlobalRNC_ID_t ranaP_GlobalRNCID;
114 RANAP_GlobalRNC_ID_t *ranaP_GlobalRNCID_p = &ranaP_GlobalRNCID;
115 resetIEs->presenceMask |= RESETIES_RANAP_GLOBALRNC_ID_PRESENT;
116 tempDecoded = ANY_to_type_aper(&ie_p->value, &asn_DEF_RANAP_GlobalRNC_ID, (void**)&ranaP_GlobalRNCID_p);
117 if (tempDecoded < 0) {
118 RANAP_DEBUG("Decoding of IE globalRNC_ID failed\n");
119 return -1;
120 }
121 decoded += tempDecoded;
122 if (asn1_xer_print)
123 xer_fprint(stdout, &asn_DEF_RANAP_GlobalRNC_ID, ranaP_GlobalRNCID_p);
124 memcpy(&resetIEs->globalRNC_ID, ranaP_GlobalRNCID_p, sizeof(RANAP_GlobalRNC_ID_t));
125#endif
126 } break;
127 default:
128 RANAP_DEBUG("Unknown protocol IE id (%d) for message reseties\n", (int)ie_p->id);
129 return -1;
130 }
131 }
132 return decoded;
133}
134
135int ranap_encode_resetacknowledgeies(
136 RANAP_ResetAcknowledge_t *resetAcknowledge,
137 RANAP_ResetAcknowledgeIEs_t *resetAcknowledgeIEs) {
138
139 RANAP_IE_t *ie;
140
141 if ((ie = ranap_new_ie(RANAP_ProtocolIE_ID_id_CN_DomainIndicator,
142 RANAP_Criticality_reject,
143 &asn_DEF_RANAP_CN_DomainIndicator,
144 &resetAcknowledgeIEs->cN_DomainIndicator)) == NULL) {
145 return -1;
146 }
147 ASN_SEQUENCE_ADD(&resetAcknowledge->resetAcknowledge_ies.list, ie);
148
149 /* Optional field */
150 if ((resetAcknowledgeIEs->presenceMask & RESETACKNOWLEDGEIES_RANAP_CRITICALITYDIAGNOSTICS_PRESENT)
151 == RESETACKNOWLEDGEIES_RANAP_CRITICALITYDIAGNOSTICS_PRESENT) {
152 if ((ie = ranap_new_ie(RANAP_ProtocolIE_ID_id_CriticalityDiagnostics,
153 RANAP_Criticality_ignore,
154 &asn_DEF_RANAP_CriticalityDiagnostics,
155 &resetAcknowledgeIEs->criticalityDiagnostics)) == NULL) {
156 return -1;
157 }
158 ASN_SEQUENCE_ADD(&resetAcknowledge->resetAcknowledge_ies.list, ie);
159 }
160
161 /* Optional field */
162 if ((resetAcknowledgeIEs->presenceMask & RESETACKNOWLEDGEIES_RANAP_GLOBALRNC_ID_PRESENT)
163 == RESETACKNOWLEDGEIES_RANAP_GLOBALRNC_ID_PRESENT) {
164 if ((ie = ranap_new_ie(RANAP_ProtocolIE_ID_id_GlobalRNC_ID,
165 RANAP_Criticality_ignore,
166 &asn_DEF_RANAP_GlobalRNC_ID,
167 &resetAcknowledgeIEs->globalRNC_ID)) == NULL) {
168 return -1;
169 }
170 ASN_SEQUENCE_ADD(&resetAcknowledge->resetAcknowledge_ies.list, ie);
171 }
172
173 return 0;
174}
175
176/***********************************************************************
177 * END auto-generated copy+pasted
178 ***********************************************************************/
179
180#if 0
181{
182 RANAP_ResetAcknowledgeIEs_s ies;
183
184 memset(&ies, 0, sizeof(ies));
185 ies.cN_DomainIndicator = RANAP_CN_DomainIndicator_cs_domain;
186
187 rc = ranap_encoderesetacknowledgeise(&ies, FIXME);
188}
189#endif
190
191static int ranap_rx_init_reset(struct hnb_context *hnb, ANY_t *in)
192{
193 RANAP_ResetIEs_t ies;
194 int rc;
195
196 rc = ranap_decode_reseties(&ies, in);
197 if (rc < 0)
198 return rc;
199
200 DEBUGP(DMAIN, "RESET.req\n");
201
202 return 0;
203}
204
205static int ranap_rx_initiating_msg(struct hnb_context *hnb, RANAP_InitiatingMessage_t *imsg)
206{
207 int rc;
208
209 switch (imsg->procedureCode) {
210 case RANAP_ProcedureCode_id_Reset:
211 rc = ranap_rx_init_reset(hnb, &imsg->value);
212 break;
213 }
214}
215
216static int _hnbgw_ranap_rx(struct hnb_context *hnb, RANAP_RANAP_PDU_t *pdu)
217{
218 int rc;
219
220 switch (pdu->present) {
221 case RANAP_RANAP_PDU_PR_initiatingMessage:
222 rc = ranap_rx_initiating_msg(hnb, &pdu->choice.initiatingMessage);
223 break;
224 case RANAP_RANAP_PDU_PR_successfulOutcome:
225 break;
226 case RANAP_RANAP_PDU_PR_unsuccessfulOutcome:
227 break;
228 default:
229 break;
230 }
231}
232
233
234int hnbgw_ranap_rx(struct msgb *msg, uint8_t *data, size_t len)
235{
236 RANAP_RANAP_PDU_t _pdu, *pdu = &_pdu;
237 asn_dec_rval_t dec_ret;
238 int rc;
239
240 memset(pdu, 0, sizeof(*pdu));
241 dec_ret = aper_decode(NULL,&asn_DEF_RANAP_RANAP_PDU, (void **) &pdu,
242 data, len, 0, 0);
243 if (dec_ret.code != RC_OK) {
244 LOGP(DMAIN, LOGL_ERROR, "Error in RANAP ASN.1 decode\n");
245 return rc;
246 }
247
248 rc = _hnbgw_ranap_rx(msg->dst, pdu);
249
250 return rc;
251}
252
253int hnbgw_ranap_init(void)
254{
255
256}