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authorMax <msuraev@sysmocom.de>2019-03-26 11:00:19 +0100
committerMax <msuraev@sysmocom.de>2019-03-26 11:06:05 +0100
commit4087e066547b1377f743c884e8950acf7c0d82c5 (patch)
treefcf357c48df38a9abc7ba2add85e9ea298027eaa
parent62b794f2711db5a6afb0a221af7cc79618b28ac0 (diff)
Drop Iu*S support and related dependencies
There's optional libiu for Iu*S support but it's just a leftover from pre repo-split times: * it's not used by any code * it's not checked by gerrit verification in osmo-ci * it's disabled by default * it's not supported in .deb packages Instead of dragging old code in unknown stage of bit-rotting, let's just drop it completely. Change-Id: Id5678a74504b4456aba0438ccc34731770801128
-rwxr-xr-xcontrib/jenkins.sh18
-rw-r--r--openbsc/configure.ac13
-rw-r--r--openbsc/include/openbsc/Makefile.am1
-rw-r--r--openbsc/include/openbsc/iu.h62
-rw-r--r--openbsc/src/Makefile.am7
-rw-r--r--openbsc/src/libiu/Makefile.am28
-rw-r--r--openbsc/src/libiu/iu.c757
-rw-r--r--openbsc/src/libiu/iu_vty.c50
8 files changed, 1 insertions, 935 deletions
diff --git a/contrib/jenkins.sh b/contrib/jenkins.sh
index f8ae49c02..277fece04 100755
--- a/contrib/jenkins.sh
+++ b/contrib/jenkins.sh
@@ -2,7 +2,6 @@
# jenkins build helper script for openbsc. This is how we build on jenkins.osmocom.org
#
# environment variables:
-# * IU: configure 3G support (values: "--enable-iu", "--disable-iu")
# * MGCP: configure transcoding for MGCP (values: "--enable-mgcp-transcoding", "--disable-mgcp-transcoding")
# * SMPP: configure the SMPP interface (values: "--enable-smpp", "--disable-smpp")
# * WITH_MANUALS: build manual PDFs if set to "1"
@@ -19,11 +18,6 @@ artifact_deps() {
x="${x}_$($1 libosmo-sccp "$sccp_branch")"
x="${x}_$($1 libsmpp34)"
- if [ "x$IU" = "x--enable-iu" ]; then
- x="${x}_$($1 libasn1c)"
- x="${x}_$($1 osmo-iuh "$osmo_iuh_branch")"
- fi
-
echo "${x}.tar.gz"
}
@@ -35,11 +29,6 @@ build_deps() {
osmo-build-dep.sh libosmo-netif
osmo-build-dep.sh libosmo-sccp "$sccp_branch"
PARALLEL_MAKE=-j1 osmo-build-dep.sh libsmpp34
-
- if [ "x$IU" = "x--enable-iu" ]; then
- osmo-build-dep.sh libasn1c
- osmo-build-dep.sh osmo-iuh "$osmo_iuh_branch"
- fi
}
build_project() {
@@ -48,7 +37,7 @@ build_project() {
autoreconf --install --force
- ./configure "$SMPP" "$MGCP" "$IU" \
+ ./configure "$SMPP" "$MGCP" \
--enable-osmo-bsc \
--enable-nat \
--enable-vty-tests \
@@ -59,11 +48,6 @@ build_project() {
"$MAKE" distcheck || cat-testlogs.sh
}
-if [ "x$IU" = "x--enable-iu" ]; then
- sccp_branch="old_sua"
- osmo_iuh_branch="old_sua"
-fi
-
. osmo-build.sh
# Build and publish manuals
diff --git a/openbsc/configure.ac b/openbsc/configure.ac
index 4b432b143..704c7d7e1 100644
--- a/openbsc/configure.ac
+++ b/openbsc/configure.ac
@@ -98,18 +98,6 @@ fi
AM_CONDITIONAL(BUILD_MGCP_TRANSCODING, test "x$osmo_ac_mgcp_transcoding" = "xyes")
AC_SUBST(osmo_ac_mgcp_transcoding)
-# Enable/disable 3G aka IuPS + IuCS support?
-AC_ARG_ENABLE([iu], [AS_HELP_STRING([--enable-iu], [Build 3G support, aka IuPS and IuCS interfaces])],
- [osmo_ac_iu="$enableval"],[osmo_ac_iu="no"])
-if test "x$osmo_ac_iu" = "xyes" ; then
- PKG_CHECK_MODULES(LIBASN1C, libasn1c >= 0.9.31)
- PKG_CHECK_MODULES(LIBOSMORANAP, libosmo-ranap >= 0.3.0)
- PKG_CHECK_MODULES(LIBOSMOSIGTRAN, libosmo-sigtran >= 0.9.0)
- AC_DEFINE(BUILD_IU, 1, [Define if we want to build IuPS and IuCS interfaces support])
-fi
-AM_CONDITIONAL(BUILD_IU, test "x$osmo_ac_iu" = "xyes")
-AC_SUBST(osmo_ac_iu)
-
dnl checks for header files
AC_HEADER_STDC
@@ -252,7 +240,6 @@ AC_OUTPUT(
src/libmgcp/Makefile
src/libcommon/Makefile
src/libfilter/Makefile
- src/libiu/Makefile
src/libcommon-cs/Makefile
src/osmo-nitb/Makefile
src/osmo-bsc/Makefile
diff --git a/openbsc/include/openbsc/Makefile.am b/openbsc/include/openbsc/Makefile.am
index 1fa30d56c..59b2231f3 100644
--- a/openbsc/include/openbsc/Makefile.am
+++ b/openbsc/include/openbsc/Makefile.am
@@ -32,7 +32,6 @@ noinst_HEADERS = \
handover.h \
handover_decision.h \
ipaccess.h \
- iu.h \
meas_feed.h \
meas_rep.h \
mgcp.h \
diff --git a/openbsc/include/openbsc/iu.h b/openbsc/include/openbsc/iu.h
deleted file mode 100644
index f973ac1ba..000000000
--- a/openbsc/include/openbsc/iu.h
+++ /dev/null
@@ -1,62 +0,0 @@
-#pragma once
-
-#include <stdbool.h>
-
-struct sgsn_pdp_ctx;
-struct msgb;
-struct gprs_ra_id;
-
-struct RANAP_RAB_SetupOrModifiedItemIEs_s;
-struct RANAP_GlobalRNC_ID;
-
-struct ue_conn_ctx {
- struct llist_head list;
- struct osmo_sccp_link *link;
- uint32_t conn_id;
- int integrity_active;
- struct gprs_ra_id ra_id;
-};
-
-enum iu_event_type {
- IU_EVENT_RAB_ASSIGN,
- IU_EVENT_SECURITY_MODE_COMPLETE,
- IU_EVENT_IU_RELEASE, /* An actual Iu Release message was received */
- IU_EVENT_LINK_INVALIDATED, /* A SUA link was lost or closed down */
- /* FIXME: maybe IU_EVENT_IU_RELEASE and IU_EVENT_LINK_INVALIDATED
- * should be combined to one generic event that simply means the
- * ue_conn_ctx should no longer be used, for whatever reason. */
-};
-
-extern const struct value_string iu_event_type_names[];
-static inline const char *iu_event_type_str(enum iu_event_type e)
-{
- return get_value_string(iu_event_type_names, e);
-}
-
-/* Implementations of iu_recv_cb_t shall find the ue_conn_ctx in msg->dst. */
-typedef int (* iu_recv_cb_t )(struct msgb *msg, struct gprs_ra_id *ra_id,
- /* TODO "gprs_" in generic CS+PS domain ^ */
- uint16_t *sai);
-
-typedef int (* iu_event_cb_t )(struct ue_conn_ctx *ue_ctx,
- enum iu_event_type type, void *data);
-
-typedef int (* iu_rab_ass_resp_cb_t )(struct ue_conn_ctx *ue_ctx, uint8_t rab_id,
- struct RANAP_RAB_SetupOrModifiedItemIEs_s *setup_ies);
-
-int iu_init(void *ctx, const char *listen_addr, uint16_t listen_port,
- iu_recv_cb_t iu_recv_cb, iu_event_cb_t iu_event_cb);
-
-void iu_link_del(struct osmo_sccp_link *link);
-
-int iu_tx(struct msgb *msg, uint8_t sapi);
-
-int iu_page_cs(const char *imsi, const uint32_t *tmsi, uint16_t lac);
-int iu_page_ps(const char *imsi, const uint32_t *ptmsi, uint16_t lac, uint8_t rac);
-
-int iu_rab_act(struct ue_conn_ctx *ue_ctx, struct msgb *msg);
-int iu_rab_deact(struct ue_conn_ctx *ue_ctx, uint8_t rab_id);
-int iu_tx_sec_mode_cmd(struct ue_conn_ctx *uectx, struct gsm_auth_tuple *tp,
- int send_ck, int new_key);
-
-void iu_vty_init(int *asn_debug_p);
diff --git a/openbsc/src/Makefile.am b/openbsc/src/Makefile.am
index 86d6f8f83..46f30d7c1 100644
--- a/openbsc/src/Makefile.am
+++ b/openbsc/src/Makefile.am
@@ -30,13 +30,6 @@ SUBDIRS = \
libcommon-cs \
$(NULL)
-# Conditional Libraries
-if BUILD_IU
-SUBDIRS += \
- libiu \
- $(NULL)
-endif
-
# Programs
SUBDIRS += \
osmo-nitb \
diff --git a/openbsc/src/libiu/Makefile.am b/openbsc/src/libiu/Makefile.am
deleted file mode 100644
index e5f9e2751..000000000
--- a/openbsc/src/libiu/Makefile.am
+++ /dev/null
@@ -1,28 +0,0 @@
-AM_CPPFLAGS = \
- $(all_includes) \
- -I$(top_srcdir)/include \
- -I$(top_builddir) \
- $(NULL)
-
-AM_CFLAGS = \
- -Wall \
- $(COVERAGE_CFLAGS) \
- $(LIBCRYPTO_CFLAGS) \
- $(LIBASN1C_CFLAGS) \
- $(LIBOSMOCORE_CFLAGS) \
- $(LIBOSMOVTY_CFLAGS) \
- $(LIBOSMOGSM_CFLAGS) \
- $(LIBOSMOABIS_CFLAGS) \
- $(LIBOSMOSIGTRAN_CFLAGS) \
- $(LIBOSMORANAP_CFLAGS) \
- $(NULL)
-
-noinst_LIBRARIES = \
- libiu.a \
- $(NULL)
-
-libiu_a_SOURCES = \
- iu.c \
- iu_vty.c \
- $(NULL)
-
diff --git a/openbsc/src/libiu/iu.c b/openbsc/src/libiu/iu.c
deleted file mode 100644
index b4e7ac855..000000000
--- a/openbsc/src/libiu/iu.c
+++ /dev/null
@@ -1,757 +0,0 @@
-/* Common parts of IuCS and IuPS interfaces implementation */
-
-/* (C) 2016 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
- * All Rights Reserved
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as published by
- * the Free Software Foundation; either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-#include <stdint.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <stdbool.h>
-
-#include <osmocom/core/select.h>
-#include <osmocom/core/prim.h>
-#include <osmocom/core/talloc.h>
-#include <osmocom/core/logging.h>
-#include <osmocom/core/application.h>
-#include <osmocom/core/utils.h>
-#include <osmocom/vty/logging.h>
-
-#include <osmocom/gsm/gsm48.h>
-#include <osmocom/gprs/gprs_msgb.h>
-
-#include <osmocom/sigtran/sua.h>
-#include <osmocom/sigtran/sccp_sap.h>
-#include <osmocom/sigtran/sccp_helpers.h>
-
-#include <openbsc/gprs_sgsn.h>
-#include <openbsc/iu.h>
-#include <openbsc/debug.h>
-
-#include <pdp.h>
-
-#include <osmocom/ranap/ranap_ies_defs.h>
-#include <osmocom/ranap/ranap_common.h>
-#include <osmocom/ranap/ranap_common_cn.h>
-#include <osmocom/ranap/ranap_msg_factory.h>
-
-#include <asn1c/asn1helpers.h>
-
-/* Parsed global RNC id. See also struct RANAP_GlobalRNC_ID, and note that the
- * PLMN identity is a BCD representation of the MCC and MNC.
- * See iu_grnc_id_parse(). */
-struct iu_grnc_id {
- struct osmo_plmn_id plmn;
- uint16_t rnc_id;
-};
-
-/* A remote RNC (Radio Network Controller, like BSC but for UMTS) that has
- * called us and is currently reachable at the given osmo_sccp_link. So, when we
- * know a LAC for a subscriber, we can page it at the RNC matching that LAC or
- * RAC. An HNB-GW typically presents itself as if it were a single RNC, even
- * though it may have several RNCs in hNodeBs connected to it. Those will then
- * share the same RNC id, which they actually receive and adopt from the HNB-GW
- * in the HNBAP HNB REGISTER ACCEPT message. */
-struct iu_rnc {
- struct llist_head entry;
-
- uint16_t rnc_id;
- uint16_t lac; /* Location Area Code (used for CS and PS) */
- uint8_t rac; /* Routing Area Code (used for PS only) */
- struct osmo_sccp_link *link;
-};
-
-void *talloc_iu_ctx;
-
-int asn1_xer_print = 1;
-void *talloc_asn1_ctx;
-
-iu_recv_cb_t global_iu_recv_cb = NULL;
-iu_event_cb_t global_iu_event_cb = NULL;
-
-static LLIST_HEAD(ue_conn_ctx_list);
-static LLIST_HEAD(rnc_list);
-
-const struct value_string iu_event_type_names[] = {
- OSMO_VALUE_STRING(IU_EVENT_RAB_ASSIGN),
- OSMO_VALUE_STRING(IU_EVENT_SECURITY_MODE_COMPLETE),
- OSMO_VALUE_STRING(IU_EVENT_IU_RELEASE),
- OSMO_VALUE_STRING(IU_EVENT_LINK_INVALIDATED),
- { 0, NULL }
-};
-
-struct ue_conn_ctx *ue_conn_ctx_alloc(struct osmo_sccp_link *link, uint32_t conn_id)
-{
- struct ue_conn_ctx *ctx = talloc_zero(talloc_iu_ctx, struct ue_conn_ctx);
-
- ctx->link = link;
- ctx->conn_id = conn_id;
- llist_add(&ctx->list, &ue_conn_ctx_list);
-
- return ctx;
-}
-
-struct ue_conn_ctx *ue_conn_ctx_find(struct osmo_sccp_link *link,
- uint32_t conn_id)
-{
- struct ue_conn_ctx *ctx;
-
- llist_for_each_entry(ctx, &ue_conn_ctx_list, list) {
- if (ctx->link == link && ctx->conn_id == conn_id)
- return ctx;
- }
- return NULL;
-}
-
-static struct iu_rnc *iu_rnc_alloc(uint16_t rnc_id, uint16_t lac, uint8_t rac,
- struct osmo_sccp_link *link)
-{
- struct iu_rnc *rnc = talloc_zero(talloc_iu_ctx, struct iu_rnc);
-
- rnc->rnc_id = rnc_id;
- rnc->lac = lac;
- rnc->rac = rac;
- rnc->link = link;
- llist_add(&rnc->entry, &rnc_list);
-
- LOGP(DRANAP, LOGL_NOTICE, "New RNC %d (LAC=%d RAC=%d)\n",
- rnc->rnc_id, rnc->lac, rnc->rac);
-
- return rnc;
-}
-
-static struct iu_rnc *iu_rnc_register(uint16_t rnc_id, uint16_t lac,
- uint8_t rac, struct osmo_sccp_link *link)
-{
- struct iu_rnc *rnc;
- llist_for_each_entry(rnc, &rnc_list, entry) {
- if (rnc->rnc_id != rnc_id)
- continue;
-
- /* We have this RNC Id registered already. Make sure that the
- * details match. */
-
- /* TODO should a mismatch be an error? */
- if (rnc->lac != lac || rnc->rac != rac)
- LOGP(DRANAP, LOGL_NOTICE, "RNC %d changes its details:"
- " LAC=%d RAC=%d --> LAC=%d RAC=%d\n",
- rnc->rnc_id, rnc->lac, rnc->rac,
- lac, rac);
- rnc->lac = lac;
- rnc->rac = rac;
-
- if (link && rnc->link != link)
- LOGP(DRANAP, LOGL_NOTICE, "RNC %d on new link"
- " (LAC=%d RAC=%d)\n",
- rnc->rnc_id, rnc->lac, rnc->rac);
- rnc->link = link;
- return rnc;
- }
-
- /* Not found, make a new one. */
- return iu_rnc_alloc(rnc_id, lac, rac, link);
-}
-
-/* Discard/invalidate all ue_conn_ctx and iu_rnc entries that reference the
- * given link, since this link is invalid and about to be deallocated. For
- * each ue_conn_ctx, invoke the iu_event_cb_t with IU_EVENT_LINK_INVALIDATED.
- */
-void iu_link_del(struct osmo_sccp_link *link)
-{
- struct iu_rnc *rnc, *rnc_next;
- llist_for_each_entry_safe(rnc, rnc_next, &rnc_list, entry) {
- if (!rnc->link)
- continue;
- if (rnc->link != link)
- continue;
- rnc->link = NULL;
- llist_del(&rnc->entry);
- talloc_free(rnc);
- }
-
- struct ue_conn_ctx *uec, *uec_next;
- llist_for_each_entry_safe(uec, uec_next, &ue_conn_ctx_list, list) {
- if (uec->link != link)
- continue;
- uec->link = NULL;
- global_iu_event_cb(uec, IU_EVENT_LINK_INVALIDATED, NULL);
- }
-}
-
-/***********************************************************************
- * RANAP handling
- ***********************************************************************/
-
-int iu_rab_act(struct ue_conn_ctx *ue_ctx, struct msgb *msg)
-{
- struct osmo_scu_prim *prim;
-
- /* wrap RANAP message in SCCP N-DATA.req */
- prim = (struct osmo_scu_prim *) msgb_push(msg, sizeof(*prim));
- prim->u.data.conn_id = ue_ctx->conn_id;
- osmo_prim_init(&prim->oph,
- SCCP_SAP_USER,
- OSMO_SCU_PRIM_N_DATA,
- PRIM_OP_REQUEST,
- msg);
- return osmo_sua_user_link_down(ue_ctx->link, &prim->oph);
-}
-
-int iu_rab_deact(struct ue_conn_ctx *ue_ctx, uint8_t rab_id)
-{
- /* FIXME */
- return -1;
-}
-
-int iu_tx_sec_mode_cmd(struct ue_conn_ctx *uectx, struct gsm_auth_tuple *tp,
- int send_ck, int new_key)
-{
- struct osmo_scu_prim *prim;
- struct msgb *msg;
- uint8_t ik[16];
- uint8_t ck[16];
- unsigned int i;
-
- /* C5 function to derive IK from Kc */
- for (i = 0; i < 4; i++)
- ik[i] = tp->vec.kc[i] ^ tp->vec.kc[i+4];
- memcpy(ik+4, tp->vec.kc, 8);
- for (i = 12; i < 16; i++)
- ik[i] = ik[i-12];
-
- if (send_ck) {
- /* C4 function to derive CK from Kc */
- memcpy(ck, tp->vec.kc, 8);
- memcpy(ck+8, tp->vec.kc, 8);
- }
-
- /* create RANAP message */
- msg = ranap_new_msg_sec_mod_cmd(ik, send_ck? ck : NULL, new_key ? RANAP_KeyStatus_new : RANAP_KeyStatus_old);
- msg->l2h = msg->data;
- /* wrap RANAP message in SCCP N-DATA.req */
- prim = (struct osmo_scu_prim *) msgb_push(msg, sizeof(*prim));
- prim->u.data.conn_id = uectx->conn_id;
- osmo_prim_init(&prim->oph, SCCP_SAP_USER,
- OSMO_SCU_PRIM_N_DATA,
- PRIM_OP_REQUEST, msg);
- osmo_sua_user_link_down(uectx->link, &prim->oph);
-
- return 0;
-}
-
-static int iu_grnc_id_parse(struct iu_grnc_id *dst,
- struct RANAP_GlobalRNC_ID *src)
-{
- /* The size is coming from arbitrary sender, check it gracefully */
- if (src->pLMNidentity.size != 3) {
- LOGP(DRANAP, LOGL_ERROR, "Invalid PLMN Identity size:"
- " should be 3, is %d\n", src->pLMNidentity.size);
- return -1;
- }
- osmo_plmn_from_bcd(&src->pLMNidentity.buf[0], &dst->plmn);
- dst->rnc_id = (uint16_t)src->rNC_ID;
- return 0;
-}
-
-#if 0
- -- not used at present --
-static int iu_grnc_id_compose(struct iu_grnc_id *src,
- struct RANAP_GlobalRNC_ID *dst)
-{
- /* The caller must ensure proper size */
- OSMO_ASSERT(dst->pLMNidentity.size == 3);
- gsm48_mcc_mnc_to_bcd(&dst->pLMNidentity.buf[0],
- src->mcc, src->mnc);
- dst->rNC_ID = src->rnc_id;
- return 0;
-}
-#endif
-
-static int ranap_handle_co_initial_ue(void *ctx, RANAP_InitialUE_MessageIEs_t *ies)
-{
- struct ue_conn_ctx *ue_conn = ctx;
- struct gprs_ra_id ra_id;
- struct iu_grnc_id grnc_id;
- uint16_t sai;
- struct msgb *msg = msgb_alloc(256, "RANAP->NAS");
-
- if (ranap_parse_lai(&ra_id, &ies->lai) != 0) {
- LOGP(DRANAP, LOGL_ERROR, "Failed to parse RANAP LAI IE\n");
- return -1;
- }
-
- if (ies->presenceMask & INITIALUE_MESSAGEIES_RANAP_RAC_PRESENT) {
- ra_id.rac = asn1str_to_u8(&ies->rac);
- }
-
- if (iu_grnc_id_parse(&grnc_id, &ies->globalRNC_ID) != 0) {
- LOGP(DRANAP, LOGL_ERROR,
- "Failed to parse RANAP Global-RNC-ID IE\n");
- return -1;
- }
-
- sai = asn1str_to_u16(&ies->sai.sAC);
- msgb_gmmh(msg) = msgb_put(msg, ies->nas_pdu.size);
- memcpy(msgb_gmmh(msg), ies->nas_pdu.buf, ies->nas_pdu.size);
-
- /* Make sure we know the RNC Id and LAC+RAC coming in on this connection. */
- iu_rnc_register(grnc_id.rnc_id, ra_id.lac, ra_id.rac, ue_conn->link);
- ue_conn->ra_id = ra_id;
-
- /* Feed into the MM layer */
- msg->dst = ctx;
- global_iu_recv_cb(msg, &ra_id, &sai);
-
- msgb_free(msg);
-
- return 0;
-}
-
-static int ranap_handle_co_dt(void *ctx, RANAP_DirectTransferIEs_t *ies)
-{
- struct gprs_ra_id _ra_id, *ra_id = NULL;
- uint16_t _sai, *sai = NULL;
- struct msgb *msg = msgb_alloc(256, "RANAP->NAS");
-
- if (ies->presenceMask & DIRECTTRANSFERIES_RANAP_LAI_PRESENT) {
- if (ranap_parse_lai(&_ra_id, &ies->lai) != 0) {
- LOGP(DRANAP, LOGL_ERROR, "Failed to parse RANAP LAI IE\n");
- return -1;
- }
- ra_id = &_ra_id;
- if (ies->presenceMask & DIRECTTRANSFERIES_RANAP_RAC_PRESENT) {
- _ra_id.rac = asn1str_to_u8(&ies->rac);
- }
- if (ies->presenceMask & DIRECTTRANSFERIES_RANAP_SAI_PRESENT) {
- _sai = asn1str_to_u16(&ies->sai.sAC);
- sai = &_sai;
- }
- }
-
- msgb_gmmh(msg) = msgb_put(msg, ies->nas_pdu.size);
- memcpy(msgb_gmmh(msg), ies->nas_pdu.buf, ies->nas_pdu.size);
-
- /* Feed into the MM/CC/SMS-CP layer */
- msg->dst = ctx;
- global_iu_recv_cb(msg, ra_id, sai);
-
- msgb_free(msg);
-
- return 0;
-}
-
-static int ranap_handle_co_err_ind(void *ctx, RANAP_ErrorIndicationIEs_t *ies)
-{
- if (ies->presenceMask & ERRORINDICATIONIES_RANAP_CAUSE_PRESENT)
- LOGP(DRANAP, LOGL_ERROR, "Rx Error Indication (%s)\n",
- ranap_cause_str(&ies->cause));
- else
- LOGP(DRANAP, LOGL_ERROR, "Rx Error Indication\n");
-
- return 0;
-}
-
-int iu_tx(struct msgb *msg_nas, uint8_t sapi)
-{
- struct ue_conn_ctx *uectx = msg_nas->dst;
- struct msgb *msg;
- struct osmo_scu_prim *prim;
-
- LOGP(DRANAP, LOGL_INFO, "Transmitting L3 Message as RANAP DT (SUA link %p conn_id %u)\n",
- uectx->link, uectx->conn_id);
-
- msg = ranap_new_msg_dt(sapi, msg_nas->data, msgb_length(msg_nas));
- msgb_free(msg_nas);
- msg->l2h = msg->data;
- prim = (struct osmo_scu_prim *) msgb_push(msg, sizeof(*prim));
- prim->u.data.conn_id = uectx->conn_id;
- osmo_prim_init(&prim->oph, SCCP_SAP_USER,
- OSMO_SCU_PRIM_N_DATA,
- PRIM_OP_REQUEST, msg);
- osmo_sua_user_link_down(uectx->link, &prim->oph);
- return 0;
-}
-
-static int ranap_handle_co_iu_rel_req(struct ue_conn_ctx *ctx, RANAP_Iu_ReleaseRequestIEs_t *ies)
-{
- struct msgb *msg;
- struct osmo_scu_prim *prim;
-
- LOGP(DRANAP, LOGL_INFO, "Received Iu Release Request, Sending Release Command\n");
- msg = ranap_new_msg_iu_rel_cmd(&ies->cause);
- msg->l2h = msg->data;
- prim = (struct osmo_scu_prim *) msgb_push(msg, sizeof(*prim));
- prim->u.data.conn_id = ctx->conn_id;
- osmo_prim_init(&prim->oph, SCCP_SAP_USER,
- OSMO_SCU_PRIM_N_DATA,
- PRIM_OP_REQUEST, msg);
- osmo_sua_user_link_down(ctx->link, &prim->oph);
- return 0;
-}
-
-static int ranap_handle_co_rab_ass_resp(struct ue_conn_ctx *ctx, RANAP_RAB_AssignmentResponseIEs_t *ies)
-{
- int rc = -1;
-
- LOGP(DRANAP, LOGL_INFO,
- "Rx RAB Assignment Response for UE conn_id %u\n", ctx->conn_id);
- if (ies->presenceMask & RAB_ASSIGNMENTRESPONSEIES_RANAP_RAB_SETUPORMODIFIEDLIST_PRESENT) {
- /* TODO: Iterate over list of SetupOrModifiedList IEs and handle each one */
- RANAP_IE_t *ranap_ie = ies->raB_SetupOrModifiedList.raB_SetupOrModifiedList_ies.list.array[0];
- RANAP_RAB_SetupOrModifiedItemIEs_t setup_ies;
-
- rc = ranap_decode_rab_setupormodifieditemies_fromlist(&setup_ies, &ranap_ie->value);
- if (rc) {
- LOGP(DRANAP, LOGL_ERROR, "Error in ranap_decode_rab_setupormodifieditemies()\n");
- return rc;
- }
-
- rc = global_iu_event_cb(ctx, IU_EVENT_RAB_ASSIGN, &setup_ies);
-
- ranap_free_rab_setupormodifieditemies(&setup_ies);
- }
-
- return rc;
-}
-
-/* Entry point for connection-oriented RANAP message */
-static void cn_ranap_handle_co(void *ctx, ranap_message *message)
-{
- int rc;
-
- LOGP(DRANAP, LOGL_NOTICE, "handle_co(dir=%u, proc=%u)\n", message->direction, message->procedureCode);
-
- switch (message->direction) {
- case RANAP_RANAP_PDU_PR_initiatingMessage:
- switch (message->procedureCode) {
- case RANAP_ProcedureCode_id_InitialUE_Message:
- rc = ranap_handle_co_initial_ue(ctx, &message->msg.initialUE_MessageIEs);
- break;
- case RANAP_ProcedureCode_id_DirectTransfer:
- rc = ranap_handle_co_dt(ctx, &message->msg.directTransferIEs);
- break;
- case RANAP_ProcedureCode_id_ErrorIndication:
- rc = ranap_handle_co_err_ind(ctx, &message->msg.errorIndicationIEs);
- break;
- case RANAP_ProcedureCode_id_Iu_ReleaseRequest:
- /* Iu Release Request */
- rc = ranap_handle_co_iu_rel_req(ctx, &message->msg.iu_ReleaseRequestIEs);
- break;
- default:
- LOGP(DRANAP, LOGL_ERROR, "Received Initiating Message: unknown Procedure Code %d\n",
- message->procedureCode);
- rc = -1;
- break;
- }
- break;
- case RANAP_RANAP_PDU_PR_successfulOutcome:
- switch (message->procedureCode) {
- case RANAP_ProcedureCode_id_SecurityModeControl:
- /* Security Mode Complete */
- rc = global_iu_event_cb(ctx, IU_EVENT_SECURITY_MODE_COMPLETE, NULL);
- break;
- case RANAP_ProcedureCode_id_Iu_Release:
- /* Iu Release Complete */
- rc = global_iu_event_cb(ctx, IU_EVENT_IU_RELEASE, NULL);
- if (rc) {
- LOGP(DRANAP, LOGL_ERROR, "Iu Release event: Iu Event callback returned %d\n",
- rc);
- }
- break;
- default:
- LOGP(DRANAP, LOGL_ERROR, "Received Successful Outcome: unknown Procedure Code %d\n",
- message->procedureCode);
- rc = -1;
- break;
- }
- break;
- case RANAP_RANAP_PDU_PR_outcome:
- switch (message->procedureCode) {
- case RANAP_ProcedureCode_id_RAB_Assignment:
- /* RAB Assignment Response */
- rc = ranap_handle_co_rab_ass_resp(ctx, &message->msg.raB_AssignmentResponseIEs);
- break;
- default:
- LOGP(DRANAP, LOGL_ERROR, "Received Outcome: unknown Procedure Code %d\n",
- message->procedureCode);
- rc = -1;
- break;
- }
- break;
- case RANAP_RANAP_PDU_PR_unsuccessfulOutcome:
- default:
- LOGP(DRANAP, LOGL_ERROR, "Received Unsuccessful Outcome: Procedure Code %d\n",
- message->procedureCode);
- rc = -1;
- break;
- }
-
- if (rc) {
- LOGP(DRANAP, LOGL_ERROR, "Error in cn_ranap_handle_co (%d)\n",
- rc);
- /* TODO handling of the error? */
- }
-}
-
-static int ranap_handle_cl_reset_req(void *ctx, RANAP_ResetIEs_t *ies)
-{
- /* FIXME: send reset response */
- return -1;
-}
-
-static int ranap_handle_cl_err_ind(void *ctx, RANAP_ErrorIndicationIEs_t *ies)
-{
- if (ies->presenceMask & ERRORINDICATIONIES_RANAP_CAUSE_PRESENT)
- LOGP(DRANAP, LOGL_ERROR, "Rx Error Indication (%s)\n",
- ranap_cause_str(&ies->cause));
- else
- LOGP(DRANAP, LOGL_ERROR, "Rx Error Indication\n");
-
- return 0;
-}
-
-/* Entry point for connection-less RANAP message */
-static void cn_ranap_handle_cl(void *ctx, ranap_message *message)
-{
- int rc;
-
- switch (message->direction) {
- case RANAP_RANAP_PDU_PR_initiatingMessage:
- switch (message->procedureCode) {
- case RANAP_ProcedureCode_id_Reset:
- /* received reset.req, send reset.resp */
- rc = ranap_handle_cl_reset_req(ctx, &message->msg.resetIEs);
- break;
- case RANAP_ProcedureCode_id_ErrorIndication:
- rc = ranap_handle_cl_err_ind(ctx, &message->msg.errorIndicationIEs);
- break;
- default:
- rc = -1;
- break;
- }
- break;
- case RANAP_RANAP_PDU_PR_successfulOutcome:
- case RANAP_RANAP_PDU_PR_unsuccessfulOutcome:
- case RANAP_RANAP_PDU_PR_outcome:
- default:
- rc = -1;
- break;
- }
-
- if (rc) {
- LOGP(DRANAP, LOGL_ERROR, "Error in cn_ranap_handle_cl (%d)\n",
- rc);
- /* TODO handling of the error? */
- }
-}
-
-/***********************************************************************
- * Paging
- ***********************************************************************/
-
-/* Send a paging command down a given SUA link. tmsi and paging_cause are
- * optional and may be passed NULL and 0, respectively, to disable their use.
- * See enum RANAP_PagingCause.
- *
- * If TMSI is given, the IMSI is not sent over the air interface. Nevertheless,
- * the IMSI is still required for resolution in the HNB-GW and/or(?) RNC. */
-static int iu_tx_paging_cmd(struct osmo_sccp_link *link,
- const char *imsi, const uint32_t *tmsi,
- bool is_ps, uint32_t paging_cause)
-{
- struct msgb *msg;
- msg = ranap_new_msg_paging_cmd(imsi, tmsi, is_ps? 1 : 0, paging_cause);
- msg->l2h = msg->data;
- return osmo_sccp_tx_unitdata_ranap(link, 1, 2, msg->data,
- msgb_length(msg));
-}
-
-static int iu_page(const char *imsi, const uint32_t *tmsi_or_ptimsi,
- uint16_t lac, uint8_t rac, bool is_ps)
-{
- struct iu_rnc *rnc;
- int pagings_sent = 0;
-
- if (tmsi_or_ptimsi) {
- LOGP(DRANAP, LOGL_DEBUG, "%s: Looking for RNCs to page for IMSI %s"
- " (paging will use %s %x)\n",
- is_ps? "IuPS" : "IuCS",
- imsi,
- is_ps? "PTMSI" : "TMSI",
- *tmsi_or_ptimsi);
- } else {
- LOGP(DRANAP, LOGL_DEBUG, "%s: Looking for RNCs to page for IMSI %s"
- " (paging will use IMSI)\n",
- is_ps? "IuPS" : "IuCS",
- imsi
- );
- }
-
- llist_for_each_entry(rnc, &rnc_list, entry) {
- if (!rnc->link) {
- /* Not actually connected, don't count it. */
- continue;
- }
- if (rnc->lac != lac)
- continue;
- if (is_ps && rnc->rac != rac)
- continue;
-
- /* Found a match! */
- if (iu_tx_paging_cmd(rnc->link, imsi, tmsi_or_ptimsi, is_ps, 0)
- == 0) {
- LOGP(DRANAP, LOGL_DEBUG,
- "%s: Paged for IMSI %s on RNC %d, on SUA link %p\n",
- is_ps? "IuPS" : "IuCS",
- imsi, rnc->rnc_id, rnc->link);
- pagings_sent ++;
- }
- }
-
- /* Some logging... */
- if (pagings_sent > 0) {
- LOGP(DRANAP, LOGL_DEBUG,
- "%s: %d RNCs were paged for IMSI %s.\n",
- is_ps? "IuPS" : "IuCS",
- pagings_sent, imsi);
- }
- else {
- if (is_ps) {
- LOGP(DRANAP, LOGL_ERROR, "IuPS: Found no RNC to page for"
- " LAC %d RAC %d (would have paged IMSI %s)\n",
- lac, rac, imsi);
- }
- else {
- LOGP(DRANAP, LOGL_ERROR, "IuCS: Found no RNC to page for"
- " LAC %d (would have paged IMSI %s)\n",
- lac, imsi);
- }
- }
-
- return pagings_sent;
-}
-
-int iu_page_cs(const char *imsi, const uint32_t *tmsi, uint16_t lac)
-{
- return iu_page(imsi, tmsi, lac, 0, false);
-}
-
-int iu_page_ps(const char *imsi, const uint32_t *ptmsi, uint16_t lac, uint8_t rac)
-{
- return iu_page(imsi, ptmsi, lac, rac, true);
-}
-
-
-/***********************************************************************
- *
- ***********************************************************************/
-
-int tx_unitdata(struct osmo_sccp_link *link);
-int tx_conn_req(struct osmo_sccp_link *link, uint32_t conn_id);
-
-struct osmo_prim_hdr *make_conn_req(uint32_t conn_id);
-struct osmo_prim_hdr *make_dt1_req(uint32_t conn_id, const uint8_t *data, unsigned int len);
-
-struct osmo_prim_hdr *make_conn_resp(struct osmo_scu_connect_param *param)
-{
- struct msgb *msg = msgb_alloc(1024, "conn_resp");
- struct osmo_scu_prim *prim;
-
- prim = (struct osmo_scu_prim *) msgb_put(msg, sizeof(*prim));
- osmo_prim_init(&prim->oph, SCCP_SAP_USER,
- OSMO_SCU_PRIM_N_CONNECT,
- PRIM_OP_RESPONSE, msg);
- memcpy(&prim->u.connect, param, sizeof(prim->u.connect));
- return &prim->oph;
-}
-
-static int sccp_sap_up(struct osmo_prim_hdr *oph, void *link)
-{
- struct osmo_scu_prim *prim = (struct osmo_scu_prim *) oph;
- struct osmo_prim_hdr *resp = NULL;
- int rc;
- struct ue_conn_ctx *ue;
-
- DEBUGP(DRANAP, "sccp_sap_up(%s)\n", osmo_scu_prim_name(oph));
-
- switch (OSMO_PRIM_HDR(oph)) {
- case OSMO_PRIM(OSMO_SCU_PRIM_N_CONNECT, PRIM_OP_CONFIRM):
- /* confirmation of outbound connection */
- rc = -1;
- break;
- case OSMO_PRIM(OSMO_SCU_PRIM_N_CONNECT, PRIM_OP_INDICATION):
- /* indication of new inbound connection request*/
- DEBUGP(DRANAP, "N-CONNECT.ind(X->%u)\n", prim->u.connect.conn_id);
- if (/* prim->u.connect.called_addr.ssn != OSMO_SCCP_SSN_RANAP || */
- !msgb_l2(oph->msg) || msgb_l2len(oph->msg) == 0) {
- LOGP(DRANAP, LOGL_NOTICE,
- "Received invalid N-CONNECT.ind\n");
- return 0;
- }
- ue = ue_conn_ctx_alloc(link, prim->u.connect.conn_id);
- /* first ensure the local SUA/SCCP socket is ACTIVE */
- resp = make_conn_resp(&prim->u.connect);
- osmo_sua_user_link_down(link, resp);
- /* then handle the RANAP payload */
- rc = ranap_cn_rx_co(cn_ranap_handle_co, ue, msgb_l2(oph->msg), msgb_l2len(oph->msg));
- break;
- case OSMO_PRIM(OSMO_SCU_PRIM_N_DISCONNECT, PRIM_OP_INDICATION):
- /* indication of disconnect */
- DEBUGP(DRANAP, "N-DISCONNECT.ind(%u)\n",
- prim->u.disconnect.conn_id);
- ue = ue_conn_ctx_find(link, prim->u.disconnect.conn_id);
- rc = ranap_cn_rx_co(cn_ranap_handle_co, ue, msgb_l2(oph->msg), msgb_l2len(oph->msg));
- break;
- case OSMO_PRIM(OSMO_SCU_PRIM_N_DATA, PRIM_OP_INDICATION):
- /* connection-oriented data received */
- DEBUGP(DRANAP, "N-DATA.ind(%u, %s)\n", prim->u.data.conn_id,
- osmo_hexdump(msgb_l2(oph->msg), msgb_l2len(oph->msg)));
- /* resolve UE context */
- ue = ue_conn_ctx_find(link, prim->u.data.conn_id);
- rc = ranap_cn_rx_co(cn_ranap_handle_co, ue, msgb_l2(oph->msg), msgb_l2len(oph->msg));
- break;
- case OSMO_PRIM(OSMO_SCU_PRIM_N_UNITDATA, PRIM_OP_INDICATION):
- /* connection-less data received */
- DEBUGP(DRANAP, "N-UNITDATA.ind(%s)\n",
- osmo_hexdump(msgb_l2(oph->msg), msgb_l2len(oph->msg)));
- rc = ranap_cn_rx_cl(cn_ranap_handle_cl, link, msgb_l2(oph->msg), msgb_l2len(oph->msg));
- break;
- default:
- rc = -1;
- break;
- }
-
- msgb_free(oph->msg);
- return rc;
-}
-
-int iu_init(void *ctx, const char *listen_addr, uint16_t listen_port,
- iu_recv_cb_t iu_recv_cb, iu_event_cb_t iu_event_cb)
-{
- struct osmo_sccp_user *user;
- talloc_iu_ctx = talloc_named_const(ctx, 1, "iu");
- talloc_asn1_ctx = talloc_named_const(talloc_iu_ctx, 1, "asn1");
-
- global_iu_recv_cb = iu_recv_cb;
- global_iu_event_cb = iu_event_cb;
- osmo_sua_set_log_area(DSUA);
- user = osmo_sua_user_create(talloc_iu_ctx, sccp_sap_up, talloc_iu_ctx);
- return osmo_sua_server_listen(user, listen_addr, listen_port);
-}
-
diff --git a/openbsc/src/libiu/iu_vty.c b/openbsc/src/libiu/iu_vty.c
deleted file mode 100644
index 91eed96be..000000000
--- a/openbsc/src/libiu/iu_vty.c
+++ /dev/null
@@ -1,50 +0,0 @@
-/* OpenBSC Iu related interface to quagga VTY */
-/* (C) 2016 by sysmocom s.m.f.c. GmbH <info@sysmocom.de>
- * All Rights Reserved
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as published by
- * the Free Software Foundation; either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-#include <stdlib.h>
-
-#include <osmocom/vty/command.h>
-#include <osmocom/vty/logging.h>
-
-/* Pointer to the actual asn_debug value as passed from main scopes. */
-static int *g_asn_debug_p = NULL;
-
-DEFUN(logging_asn_debug,
- logging_asn_debug_cmd,
- "logging asn1-debug (1|0)",
- LOGGING_STR
- "Log human readable representations of all ASN.1 messages to stderr\n"
- "Log decoded ASN.1 messages to stderr\n"
- "Do not log decoded ASN.1 messages to stderr\n")
-{
- if (!g_asn_debug_p) {
- vty_out(vty, "%%ASN.1 debugging not available%s", VTY_NEWLINE);
- return CMD_WARNING;
- }
-
- *g_asn_debug_p = atoi(argv[0]);
- return CMD_SUCCESS;
-}
-
-void iu_vty_init(int *asn_debug_p)
-{
- g_asn_debug_p = asn_debug_p;
-
- install_element(CFG_LOG_NODE, &logging_asn_debug_cmd);
-}