Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 1 | #include <osmocom/core/msgb.h> |
Harald Welte | b3dae30 | 2015-08-30 12:20:09 +0200 | [diff] [blame] | 2 | #include <osmocom/core/utils.h> |
Harald Welte | 10dfc5a | 2015-09-11 01:34:45 +0200 | [diff] [blame] | 3 | #include <osmocom/gsm/gsm48.h> |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 4 | |
Harald Welte | b3dae30 | 2015-08-30 12:20:09 +0200 | [diff] [blame] | 5 | #include <unistd.h> |
Harald Welte | ee77cff | 2015-08-30 16:57:53 +0200 | [diff] [blame] | 6 | #include <errno.h> |
Harald Welte | b3dae30 | 2015-08-30 12:20:09 +0200 | [diff] [blame] | 7 | #include <string.h> |
| 8 | |
Harald Welte | 30afef3 | 2015-08-30 12:28:29 +0200 | [diff] [blame] | 9 | #include "asn1helpers.h" |
| 10 | |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 11 | #include "hnbgw.h" |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 12 | #include "hnbap_common.h" |
| 13 | #include "hnbap_ies_defs.h" |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 14 | |
Harald Welte | ee77cff | 2015-08-30 16:57:53 +0200 | [diff] [blame] | 15 | #define IU_MSG_NUM_IES 32 |
| 16 | #define IU_MSG_NUM_EXT_IES 32 |
| 17 | |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 18 | static int hnbgw_hnbap_tx(struct hnb_context *ctx, struct msgb *msg) |
Harald Welte | ee77cff | 2015-08-30 16:57:53 +0200 | [diff] [blame] | 19 | { |
Harald Welte | 7b54e32 | 2015-09-07 22:41:45 +0200 | [diff] [blame] | 20 | if (!msg) |
| 21 | return -EINVAL; |
| 22 | |
Harald Welte | 3f71256 | 2015-09-07 21:53:25 +0200 | [diff] [blame] | 23 | msgb_ppid(msg) = IUH_PPI_HNBAP; |
| 24 | return osmo_wqueue_enqueue(&ctx->wqueue, msg); |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 25 | } |
Harald Welte | ee77cff | 2015-08-30 16:57:53 +0200 | [diff] [blame] | 26 | |
Harald Welte | 10dfc5a | 2015-09-11 01:34:45 +0200 | [diff] [blame] | 27 | int decode_iu_bcd(char *out, size_t out_len, const uint8_t *in, size_t in_len) |
| 28 | { |
| 29 | const uint8_t *ch; |
| 30 | char *outch = out; |
| 31 | |
| 32 | for (ch = in; ch < in + in_len; ch++) { |
| 33 | char c = osmo_bcd2char(*ch & 0xF); |
| 34 | *outch++ = c; |
| 35 | if (outch + 1 >= out + out_len) |
| 36 | break; |
| 37 | c = osmo_bcd2char(*ch >> 4); |
| 38 | /* skip padding nibble at end */ |
| 39 | if (c == 'F') |
| 40 | break; |
| 41 | *outch++ = c; |
| 42 | } |
| 43 | *outch++ = '\0'; |
| 44 | return outch - out; |
| 45 | } |
| 46 | |
| 47 | int encode_iu_imsi(uint8_t *out, size_t out_len, |
| 48 | const char *in) |
| 49 | { |
| 50 | unsigned int len = strlen(in); |
| 51 | uint8_t odd = (len & 0x01) == 1; |
| 52 | unsigned int off = 0; |
| 53 | unsigned int i; |
| 54 | |
| 55 | len /= 2; |
| 56 | if (odd) |
| 57 | len++; |
| 58 | |
| 59 | for (i = 0; i < len; i++) { |
| 60 | uint8_t lower, upper; |
| 61 | |
| 62 | lower = osmo_char2bcd(in[++off]) & 0x0f; |
| 63 | if (!odd && off + 1 == len) |
| 64 | upper = 0x0f; |
| 65 | else |
| 66 | upper = osmo_char2bcd(in[++off]) & 0x0f; |
| 67 | |
| 68 | out[i] = (upper << 4) | lower; |
| 69 | } |
| 70 | return i; |
| 71 | } |
Harald Welte | b534e5c | 2015-09-11 00:15:16 +0200 | [diff] [blame] | 72 | |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 73 | static int hnbgw_tx_hnb_register_acc(struct hnb_context *ctx) |
| 74 | { |
| 75 | HNBRegisterAccept_t accept_out; |
| 76 | struct msgb *msg; |
| 77 | int rc; |
| 78 | |
| 79 | /* Single required response IE: RNC-ID */ |
| 80 | HNBRegisterAcceptIEs_t accept = { |
| 81 | .rnc_id = ctx->gw->config.rnc_id |
| 82 | }; |
| 83 | |
| 84 | /* encode the Information Elements */ |
Harald Welte | 2204f9d | 2015-09-07 21:10:50 +0200 | [diff] [blame] | 85 | memset(&accept_out, 0, sizeof(accept_out)); |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 86 | rc = hnbap_encode_hnbregisteraccepties(&accept_out, &accept); |
| 87 | if (rc < 0) { |
| 88 | return rc; |
Harald Welte | ee77cff | 2015-08-30 16:57:53 +0200 | [diff] [blame] | 89 | } |
| 90 | |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 91 | /* generate a successfull outcome PDU */ |
| 92 | msg = hnbap_generate_successful_outcome(ProcedureCode_id_HNBRegister, |
| 93 | Criticality_reject, |
| 94 | &asn_DEF_HNBRegisterAccept, |
| 95 | &accept_out); |
Harald Welte | ee77cff | 2015-08-30 16:57:53 +0200 | [diff] [blame] | 96 | |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 97 | return hnbgw_hnbap_tx(ctx, msg); |
Harald Welte | ee77cff | 2015-08-30 16:57:53 +0200 | [diff] [blame] | 98 | } |
| 99 | |
| 100 | |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 101 | static int hnbgw_tx_ue_register_acc(struct ue_context *ue) |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 102 | { |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 103 | UERegisterAccept_t accept_out; |
| 104 | UERegisterAcceptIEs_t accept; |
| 105 | struct msgb *msg; |
Harald Welte | 10dfc5a | 2015-09-11 01:34:45 +0200 | [diff] [blame] | 106 | uint8_t encoded_imsi[10]; |
| 107 | size_t encoded_imsi_len; |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 108 | int rc; |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 109 | |
Harald Welte | 10dfc5a | 2015-09-11 01:34:45 +0200 | [diff] [blame] | 110 | encoded_imsi_len = encode_iu_imsi(encoded_imsi, sizeof(encoded_imsi), ue->imsi); |
| 111 | |
Harald Welte | 2204f9d | 2015-09-07 21:10:50 +0200 | [diff] [blame] | 112 | memset(&accept, 0, sizeof(accept)); |
Harald Welte | 10dfc5a | 2015-09-11 01:34:45 +0200 | [diff] [blame] | 113 | accept.uE_Identity.present = UE_Identity_PR_iMSI; |
| 114 | OCTET_STRING_fromBuf(&accept.uE_Identity.choice.iMSI, (const char *)encoded_imsi, encoded_imsi_len); |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 115 | asn1_u32_to_bitstring(&accept.context_ID, &ue->context_id); |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 116 | |
Harald Welte | 2204f9d | 2015-09-07 21:10:50 +0200 | [diff] [blame] | 117 | memset(&accept_out, 0, sizeof(accept_out)); |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 118 | rc = hnbap_encode_ueregisteraccepties(&accept_out, &accept); |
| 119 | if (rc < 0) { |
| 120 | return rc; |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 121 | } |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 122 | |
| 123 | msg = hnbap_generate_successful_outcome(ProcedureCode_id_UERegister, |
| 124 | Criticality_reject, |
| 125 | &asn_DEF_UERegisterAccept, |
| 126 | &accept_out); |
| 127 | return hnbgw_hnbap_tx(ue->hnb, msg); |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 128 | } |
| 129 | |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 130 | static int hnbgw_rx_hnb_register_req(struct hnb_context *ctx, ANY_t *in) |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 131 | { |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 132 | HNBRegisterRequestIEs_t ies; |
| 133 | int rc; |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 134 | |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 135 | rc = hnbap_decode_hnbregisterrequesties(&ies, in); |
| 136 | if (rc < 0) |
| 137 | return rc; |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 138 | |
Harald Welte | a2e6a7a | 2015-08-29 21:47:39 +0200 | [diff] [blame] | 139 | /* copy all identity parameters from the message to ctx */ |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 140 | asn1_strncpy(ctx->identity_info, &ies.hnB_Identity.hNB_Identity_Info, |
| 141 | sizeof(ctx->identity_info)); |
| 142 | ctx->id.lac = asn1str_to_u16(&ies.lac); |
| 143 | ctx->id.sac = asn1str_to_u16(&ies.sac); |
| 144 | ctx->id.rac = asn1str_to_u8(&ies.rac); |
| 145 | ctx->id.cid = asn1bitstr_to_u32(&ies.cellIdentity); |
Harald Welte | b3dae30 | 2015-08-30 12:20:09 +0200 | [diff] [blame] | 146 | //ctx->id.mcc FIXME |
| 147 | //ctx->id.mnc FIXME |
Harald Welte | a2e6a7a | 2015-08-29 21:47:39 +0200 | [diff] [blame] | 148 | |
Harald Welte | ee77cff | 2015-08-30 16:57:53 +0200 | [diff] [blame] | 149 | DEBUGP(DMAIN, "HNB-REGISTER-REQ from %s\n", ctx->identity_info); |
| 150 | |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 151 | /* Send HNBRegisterAccept */ |
| 152 | return hnbgw_tx_hnb_register_acc(ctx); |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 153 | } |
| 154 | |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 155 | static int hnbgw_rx_ue_register_req(struct hnb_context *ctx, ANY_t *in) |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 156 | { |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 157 | UERegisterRequestIEs_t ies; |
| 158 | struct ue_context *ue; |
Harald Welte | 10dfc5a | 2015-09-11 01:34:45 +0200 | [diff] [blame] | 159 | char imsi[16]; |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 160 | int rc; |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 161 | |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 162 | rc = hnbap_decode_ueregisterrequesties(&ies, in); |
| 163 | if (rc < 0) |
| 164 | return rc; |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 165 | |
Harald Welte | 10dfc5a | 2015-09-11 01:34:45 +0200 | [diff] [blame] | 166 | switch (ies.uE_Identity.present) { |
| 167 | case UE_Identity_PR_iMSI: |
| 168 | decode_iu_bcd(imsi, sizeof(imsi), ies.uE_Identity.choice.iMSI.buf, |
| 169 | ies.uE_Identity.choice.iMSI.size); |
| 170 | break; |
| 171 | case UE_Identity_PR_iMSIDS41: |
| 172 | decode_iu_bcd(imsi, sizeof(imsi), ies.uE_Identity.choice.iMSIDS41.buf, |
| 173 | ies.uE_Identity.choice.iMSIDS41.size); |
| 174 | break; |
| 175 | case UE_Identity_PR_iMSIESN: |
| 176 | decode_iu_bcd(imsi, sizeof(imsi), ies.uE_Identity.choice.iMSIESN.iMSIDS41.buf, |
| 177 | ies.uE_Identity.choice.iMSIESN.iMSIDS41.size); |
| 178 | break; |
| 179 | default: |
| 180 | DEBUGP(DMAIN, "UE-REGISTER-REQ without IMSI?!?\n"); |
| 181 | return -1; |
| 182 | } |
Harald Welte | b534e5c | 2015-09-11 00:15:16 +0200 | [diff] [blame] | 183 | |
Harald Welte | 10dfc5a | 2015-09-11 01:34:45 +0200 | [diff] [blame] | 184 | DEBUGP(DMAIN, "UE-REGSITER-REQ ID_type=%d imsi=%s cause=%ld\n", |
| 185 | ies.uE_Identity.present, imsi, ies.registration_Cause); |
| 186 | |
| 187 | ue = ue_context_by_imsi(imsi); |
| 188 | if (!ue) |
| 189 | ue = ue_context_alloc(ctx, imsi); |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 190 | |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 191 | /* Send UERegisterAccept */ |
| 192 | return hnbgw_tx_ue_register_acc(ue); |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 193 | } |
| 194 | |
Harald Welte | 3af1db8 | 2015-09-11 17:03:16 +0200 | [diff] [blame^] | 195 | static int hnbgw_rx_err_ind(struct hnb_context *hnb, ANY_t *in) |
| 196 | { |
| 197 | ErrorIndicationIEs_t ies; |
| 198 | int rc; |
| 199 | |
| 200 | rc = hnbap_decode_hnbregisterrequesties(&ies, in); |
| 201 | if (rc < 0) |
| 202 | return rc; |
| 203 | |
| 204 | LOGP(DMAIN, LOGL_NOTICE, "HNBAP ERROR.ind, cause: %s\n", |
| 205 | hnbap_cause_str(&ies.cause)); |
| 206 | |
| 207 | return 0; |
| 208 | } |
| 209 | |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 210 | static int hnbgw_rx_initiating_msg(struct hnb_context *hnb, InitiatingMessage_t *imsg) |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 211 | { |
| 212 | int rc; |
| 213 | |
Harald Welte | b3dae30 | 2015-08-30 12:20:09 +0200 | [diff] [blame] | 214 | switch (imsg->procedureCode) { |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 215 | case ProcedureCode_id_HNBRegister: /* 8.2 */ |
| 216 | rc = hnbgw_rx_hnb_register_req(hnb, &imsg->value); |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 217 | break; |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 218 | case ProcedureCode_id_HNBDe_Register: /* 8.3 */ |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 219 | break; |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 220 | case ProcedureCode_id_UERegister: /* 8.4 */ |
| 221 | rc = hnbgw_rx_ue_register_req(hnb, &imsg->value); |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 222 | break; |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 223 | case ProcedureCode_id_UEDe_Register: /* 8.5 */ |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 224 | break; |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 225 | case ProcedureCode_id_ErrorIndication: /* 8.6 */ |
Harald Welte | 3af1db8 | 2015-09-11 17:03:16 +0200 | [diff] [blame^] | 226 | rc = hnbgw_rx_err_ind(hnb, &imsg->value); |
| 227 | break; |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 228 | case ProcedureCode_id_TNLUpdate: /* 8.9 */ |
| 229 | case ProcedureCode_id_HNBConfigTransfer: /* 8.10 */ |
| 230 | case ProcedureCode_id_RelocationComplete: /* 8.11 */ |
| 231 | case ProcedureCode_id_U_RNTIQuery: /* 8.12 */ |
| 232 | case ProcedureCode_id_privateMessage: |
Harald Welte | 3af1db8 | 2015-09-11 17:03:16 +0200 | [diff] [blame^] | 233 | LOGP(DMAIN, LOGL_NOTICE, "Unimplemented HNBAP Procedure %u\n", |
| 234 | imsg->procedureCode); |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 235 | break; |
| 236 | default: |
Harald Welte | 3af1db8 | 2015-09-11 17:03:16 +0200 | [diff] [blame^] | 237 | LOGP(DMAIN, LOGL_NOTICE, "Unknown HNBAP Procedure %u\n", |
| 238 | imsg->procedureCode); |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 239 | break; |
| 240 | } |
| 241 | } |
| 242 | |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 243 | static int hnbgw_rx_successful_outcome_msg(struct hnb_context *hnb, SuccessfulOutcome_t *msg) |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 244 | { |
| 245 | |
| 246 | } |
| 247 | |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 248 | static int hnbgw_rx_unsuccessful_outcome_msg(struct hnb_context *hnb, UnsuccessfulOutcome_t *msg) |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 249 | { |
| 250 | |
| 251 | } |
| 252 | |
| 253 | |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 254 | static int _hnbgw_hnbap_rx(struct hnb_context *hnb, HNBAP_PDU_t *pdu) |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 255 | { |
Harald Welte | b3dae30 | 2015-08-30 12:20:09 +0200 | [diff] [blame] | 256 | int rc; |
| 257 | |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 258 | /* it's a bit odd that we can't dispatch on procedure code, but |
| 259 | * that's not possible */ |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 260 | switch (pdu->present) { |
| 261 | case HNBAP_PDU_PR_initiatingMessage: |
| 262 | rc = hnbgw_rx_initiating_msg(hnb, &pdu->choice.initiatingMessage); |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 263 | break; |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 264 | case HNBAP_PDU_PR_successfulOutcome: |
| 265 | rc = hnbgw_rx_successful_outcome_msg(hnb, &pdu->choice.successfulOutcome); |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 266 | break; |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 267 | case HNBAP_PDU_PR_unsuccessfulOutcome: |
| 268 | rc = hnbgw_rx_unsuccessful_outcome_msg(hnb, &pdu->choice.unsuccessfulOutcome); |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 269 | break; |
| 270 | default: |
Harald Welte | 3af1db8 | 2015-09-11 17:03:16 +0200 | [diff] [blame^] | 271 | LOGP(DMAIN, LOGL_NOTICE, "Unknown HNBAP Presence %u\n", |
| 272 | pdu->present); |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 273 | return -1; |
| 274 | } |
| 275 | } |
| 276 | |
Harald Welte | a2e6a7a | 2015-08-29 21:47:39 +0200 | [diff] [blame] | 277 | int hnbgw_hnbap_rx(struct hnb_context *hnb, struct msgb *msg) |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 278 | { |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 279 | HNBAP_PDU_t _pdu, *pdu = &_pdu; |
| 280 | asn_dec_rval_t dec_ret; |
Harald Welte | ee77cff | 2015-08-30 16:57:53 +0200 | [diff] [blame] | 281 | int rc; |
| 282 | |
| 283 | /* decode and handle to _hnbgw_hnbap_rx() */ |
| 284 | |
Harald Welte | 2204f9d | 2015-09-07 21:10:50 +0200 | [diff] [blame] | 285 | memset(pdu, 0, sizeof(*pdu)); |
Harald Welte | 27f9c4a | 2015-08-30 22:47:18 +0200 | [diff] [blame] | 286 | dec_ret = aper_decode(NULL, &asn_DEF_HNBAP_PDU, (void **) &pdu, |
| 287 | msg->data, msgb_length(msg), 0, 0); |
| 288 | if (dec_ret.code != RC_OK) { |
| 289 | LOGP(DMAIN, LOGL_ERROR, "Error in ASN.1 decode\n"); |
Harald Welte | ee77cff | 2015-08-30 16:57:53 +0200 | [diff] [blame] | 290 | return rc; |
| 291 | } |
| 292 | |
| 293 | rc = _hnbgw_hnbap_rx(hnb, pdu); |
Harald Welte | ee77cff | 2015-08-30 16:57:53 +0200 | [diff] [blame] | 294 | |
| 295 | return rc; |
Harald Welte | ba43de4 | 2015-08-29 20:33:16 +0200 | [diff] [blame] | 296 | } |
| 297 | |
| 298 | |
| 299 | int hnbgw_hnbap_init(void) |
| 300 | { |
| 301 | |
| 302 | } |