parent
cbda8cb8c6
commit
c5ad113a12
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@ -245,7 +245,7 @@ int gtp_set_cb_data_ind(struct gsn_t *gsn,
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return 0;
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}
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int gtp_set_cb_sgsn_context_request_ind(struct gsn_t *gsn,
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int (*cb) (struct gsn_t *gsn, struct sockaddr_in *peer, const struct osmo_routing_area_id *rai, uint32_t teic, struct osmo_mobile_identity *mi, union gtpie_member **ie))
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int (*cb) (struct gsn_t *gsn, struct sockaddr_in *peer, uint16_t seq, const struct osmo_routing_area_id *rai, uint32_t teic, struct osmo_mobile_identity *mi, union gtpie_member **ie))
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{
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gsn->cb_sgsn_context_request_ind = cb;
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return 0;
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@ -109,7 +109,7 @@ struct gsn_t {
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int (*cb_recovery) (struct sockaddr_in * peer, uint8_t recovery);
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int (*cb_recovery2) (struct sockaddr_in * peer, struct pdp_t * pdp, uint8_t recovery);
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int (*cb_recovery3) (struct gsn_t *gsn, struct sockaddr_in *peer, struct pdp_t *pdp, uint8_t recovery);
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int (*cb_sgsn_context_request_ind) (struct gsn_t *gsn, struct sockaddr_in *peer, const struct osmo_routing_area_id *rai, uint32_t teic, struct osmo_mobile_identity *mi, union gtpie_member **ie); /* Pass RAI and TLLI/TMSI/IMSI directly */
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int (*cb_sgsn_context_request_ind) (struct gsn_t *gsn, struct sockaddr_in *peer, uint16_t seq, const struct osmo_routing_area_id *rai, uint32_t teic, struct osmo_mobile_identity *mi, union gtpie_member **ie); /* Pass RAI and TLLI/TMSI/IMSI directly */
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/* Counters */
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struct rate_ctr_group *ctrg;
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@ -158,7 +158,7 @@ extern int gtp_set_cb_ran_info_relay_ind(struct gsn_t *gsn,
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int (*cb) (struct sockaddr_in * peer, union gtpie_member **ie));
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extern int gtp_set_cb_sgsn_context_request_ind(struct gsn_t *gsn,
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int (*cb) (struct gsn_t *gsn, struct sockaddr_in *peer, const struct osmo_routing_area_id *rai, uint32_t teic, struct osmo_mobile_identity *mi, union gtpie_member **ie));
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int (*cb) (struct gsn_t *gsn, struct sockaddr_in *peer, uint16_t seq, const struct osmo_routing_area_id *rai, uint32_t teic, struct osmo_mobile_identity *mi, union gtpie_member **ie));
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extern int gtp_set_cb_conf(struct gsn_t *gsn,
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int (*cb) (int type, int cause, struct pdp_t * pdp,
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31
gtp/gtp.c
31
gtp/gtp.c
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@ -537,8 +537,9 @@ static int gtp_resp(uint8_t version, struct gsn_t *gsn, struct pdp_t *pdp,
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return -1;
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}
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gtp_resp2(gsn, packet, len, peer, fd, seq, tid, flow, tei);
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return gtp_resp2(gsn, packet, len, peer, fd, seq, tid, flow, tei);
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}
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static int gtp_notification(struct gsn_t *gsn, uint8_t version,
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union gtp_packet *packet, int len,
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const struct sockaddr_in *peer, int fd, uint16_t seq)
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@ -840,8 +841,9 @@ int gtp_ran_info_relay_req(struct gsn_t *gsn, const struct sockaddr_in *peer,
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#define GSM_MI_TYPE_TLLI 0x05
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/* Send an SGSN Context Request for an MI */
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int gtp_sgsn_context_req(struct gsn_t *gsn, const struct in_addr *peer,
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const struct osmo_mobile_identity *mi, uint32_t teic,
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const struct osmo_mobile_identity *mi, uint16_t tlli, uint32_t teic,
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const struct ul16_t *sgsn_addr, const struct ul255_t *rai, void *cbp)
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{
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union gtp_packet packet;
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@ -855,8 +857,12 @@ int gtp_sgsn_context_req(struct gsn_t *gsn, const struct in_addr *peer,
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switch (mi->type) {
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case GSM_MI_TYPE_IMSI:
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gtpie_tv8(&packet, &length, GTP_MAX, GTPIE_IMSI, *(uint64_t *)mi->imsi); /* FIXME: proper decoding*/
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{
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uint64_t imsi = gtp_imsi_str2gtp(mi->imsi);
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imsi = ntoh64(imsi);
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gtpie_tv8(&packet, &length, GTP_MAX, GTPIE_IMSI, imsi);
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break;
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}
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case GSM_MI_TYPE_TLLI:
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gtpie_tv4(&packet, &length, GTP_MAX, GTPIE_TLLI, mi->tmsi);
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break;
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@ -864,6 +870,7 @@ int gtp_sgsn_context_req(struct gsn_t *gsn, const struct in_addr *peer,
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gtpie_tv4(&packet, &length, GTP_MAX, GTPIE_P_TMSI, mi->tmsi);
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break;
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default:
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return -1;
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/* TODO: Error */
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break;
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}
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@ -941,8 +948,9 @@ static int gtp_sgsn_context_ind(struct gsn_t *gsn, int version, struct sockaddr_
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}
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if (!gtpie_gettv8(ie, GTPIE_IMSI, 0, &imsi)) {
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imsi = ntoh64(imsi);
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mi.type = GSM_MI_TYPE_IMSI;
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/* NOTE: gtpie_gettv8 already converts to host byte order, but imsi_gtp2str seems to prefer big endian */
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imsi = ntoh64(imsi);
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const char *imsi_str = imsi_gtp2str(&imsi);
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memcpy(mi.imsi, imsi_str, sizeof(mi.imsi));
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} else {
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@ -953,7 +961,7 @@ static int gtp_sgsn_context_ind(struct gsn_t *gsn, int version, struct sockaddr_
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done:
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if (gsn->cb_sgsn_context_request_ind)
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gsn->cb_sgsn_context_request_ind(gsn, peer, &rai_parsed, teic, &mi, ie);
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gsn->cb_sgsn_context_request_ind(gsn, peer, seq, &rai_parsed, teic, &mi, ie);
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return 0;
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@ -1029,9 +1037,9 @@ static int gtp_pdp_ctx(uint8_t *buf, unsigned int size, const struct pdp_t *pdp,
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*ptr++ = pdp->pdp_id;
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// PDP Type Org
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*ptr++ = PDP_EUA_ORG_IETF;
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// PDP Type No.
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// PDP Address
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switch (pdp->eua.v[1]) {
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case PDP_EUA_TYPE_v4:
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case PDP_EUA_TYPE_v4v6:
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}
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int gtp_sgsn_context_conf(struct gsn_t *gsn, struct sockaddr_in *peer, uint16_t seq,
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uint32_t teic, uint8_t cause, const struct in_addr *sgsn_addr, struct pdp_t *pdpctx, uint16_t sapi, struct ul255_t *mmctx, void *cbp)
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uint32_t teic, uint8_t cause, uint64_t imsi, const struct in_addr *sgsn_addr, struct pdp_t *pdpctx, uint16_t sapi, uint8_t *mmctx, int mm_len, void *cbp)
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{
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union gtp_packet packet;
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struct ul255_t pdp;
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@ -1089,14 +1097,18 @@ int gtp_sgsn_context_conf(struct gsn_t *gsn, struct sockaddr_in *peer, uint16_t
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// Cause - TV1
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gtpie_tv1(&packet, &length, GTP_MAX, GTPIE_CAUSE, cause);
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if (cause != GTPCAUSE_ACC_REQ)
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return gtp_resp2(gsn, &packet, length, peer, gsn->fd1c, seq, 0, 0, teic);
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// IMSI - TV8
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//gtpie_tv8(&packet, &length, GTP_MAX, GTPIE_IMSI, imsi);
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gtpie_tv8(&packet, &length, GTP_MAX, GTPIE_IMSI, imsi);
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// TEIC - TV4
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gtpie_tv4(&packet, &length, GTP_MAX, GTPIE_TEI_C, pdpctx->teic_own);
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// MM Ctx - TLV
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gtpie_tlv(&packet, &length, GTP_MAX, GTPIE_MM_CONTEXT, mmctx->l, mmctx->v);
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gtpie_tlv(&packet, &length, GTP_MAX, GTPIE_MM_CONTEXT, mm_len, mmctx);
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// PDP Ctx - TLV
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if (pdpctx) {
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uint8_t cause;
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union gtpie_member *ie[GTPIE_SIZE];
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struct pdp_t *pdp = NULL;
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uint64_t imsi;
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uint32_t teic;
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struct ul16_t sgsn_addr;
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@ -263,10 +263,10 @@ extern int gtp_ran_info_relay_req(struct gsn_t *gsn, const struct sockaddr_in *p
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uint8_t rim_route_addr_discr);
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extern int gtp_sgsn_context_req(struct gsn_t *gsn, const struct in_addr *peer,
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const struct osmo_mobile_identity *mi, uint32_t teic,
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const struct osmo_mobile_identity *mi, uint16_t tlli, uint32_t teic,
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const struct ul16_t *sgsn_addr, const struct ul255_t *rai, void *cbp);
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extern int gtp_sgsn_context_conf(struct gsn_t *gsn, struct sockaddr_in *peer, uint16_t seq,
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uint32_t teic, uint8_t cause, const struct in_addr *sgsn_addr, struct pdp_t *pdpctx, uint16_t sapi, struct ul255_t *mmctx, void *cbp);
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uint32_t teic, uint8_t cause, uint64_t imsi, const struct in_addr *sgsn_addr, struct pdp_t *pdpctx, uint16_t sapi, uint8_t *mmctx, int mm_len, void *cbp);
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extern int gtp_decaps0(struct gsn_t *gsn);
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extern int gtp_decaps1c(struct gsn_t *gsn);
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