Import hnb-test from osmo-iuh.git
Import from osmo-iuh.git Change-Id Iba106dcc18e3d429b4b9808610a44ac29b798172, with minimal renaming of s/hnb_test/hnb/ and required mangling to have it compile and run. Change-Id: I36fd4aa5d39222371bd36e9f540b91e36a26de43
This commit is contained in:
parent
243ccbafd6
commit
70bcdf121e
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@ -45,6 +45,7 @@ dnl checks for libraries
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AC_SEARCH_LIBS([dlopen], [dl dld], [LIBRARY_DL="$LIBS";LIBS=""])
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AC_SUBST(LIBRARY_DL)
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PKG_CHECK_MODULES(LIBASN1C, libasn1c >= 0.9.30)
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PKG_CHECK_MODULES(LIBOSMOCORE, libosmocore >= 1.5.0)
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PKG_CHECK_MODULES(LIBOSMOVTY, libosmovty >= 1.5.0)
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PKG_CHECK_MODULES(LIBOSMOCTRL, libosmoctrl >= 1.5.0)
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@ -52,6 +53,10 @@ PKG_CHECK_MODULES(LIBOSMOGSM, libosmogsm >= 1.5.0)
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PKG_CHECK_MODULES(LIBOSMOABIS, libosmoabis >= 1.1.0)
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PKG_CHECK_MODULES(LIBOSMONETIF, libosmo-netif >= 1.1.0)
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PKG_CHECK_MODULES(LIBOSMOSIGTRAN, libosmo-sigtran >= 1.4.0)
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PKG_CHECK_MODULES(LIBOSMORUA, libosmo-rua >= 0.7.0)
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PKG_CHECK_MODULES(LIBOSMORANAP, libosmo-ranap >= 0.7.0)
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PKG_CHECK_MODULES(LIBOSMOHNBAP, libosmo-hnbap >= 0.7.0)
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dnl checks for header files
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AC_HEADER_STDC
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@ -1,3 +1,5 @@
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noinst_HEADERS = \
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hnodeb.h \
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ranap.h \
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rua.h \
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$(NULL)
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@ -1 +1,85 @@
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#pragma once
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#include <osmocom/core/select.h>
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#include <osmocom/core/linuxlist.h>
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#include <osmocom/core/write_queue.h>
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#include <osmocom/core/logging.h>
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enum {
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DMAIN,
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DHNBAP,
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DRUA,
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DRANAP,
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};
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extern const struct log_info hnb_log_info;
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/* 25.467 Section 7.1 */
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#define IUH_DEFAULT_SCTP_PORT 29169
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#define RNA_DEFAULT_SCTP_PORT 25471
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#define IUH_PPI_RUA 19
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#define IUH_PPI_HNBAP 20
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#define IUH_PPI_SABP 31
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#define IUH_PPI_RNA 42
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#define IUH_PPI_PUA 55
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#define IUH_MSGB_SIZE 2048
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struct umts_cell_id {
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uint16_t mcc; /*!< Mobile Country Code */
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uint16_t mnc; /*!< Mobile Network Code */
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uint16_t lac; /*!< Locaton Area Code */
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uint16_t rac; /*!< Routing Area Code */
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uint16_t sac; /*!< Service Area Code */
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uint32_t cid; /*!< Cell ID */
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};
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struct ue_context {
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/*! Entry in the HNB-global list of UE */
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struct llist_head list;
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/*! Unique Context ID for this UE */
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uint32_t context_id;
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char imsi[16+1];
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};
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struct hnb_chan {
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int is_ps;
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uint32_t conn_id;
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char *imsi;
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};
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struct hnb {
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const char *gw_addr;
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uint16_t gw_port;
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/*! SCTP listen socket for incoming connections */
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struct osmo_fd conn_fd;
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/*! SCTP socket + write queue for Iuh to this specific HNB */
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struct osmo_wqueue wqueue;
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/*! copied from HNB-Identity-Info IE */
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char identity_info[256];
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/*! copied from Cell Identity IE */
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struct umts_cell_id id;
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/*! SCTP stream ID for HNBAP */
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uint16_t hnbap_stream;
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/*! SCTP stream ID for RUA */
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uint16_t rua_stream;
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uint16_t rnc_id;
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uint32_t ctx_id;
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int ues;
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struct {
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struct hnb_chan *chan;
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} cs;
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};
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void hnb_rx_iu_release(struct hnb *hnb);
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void hnb_rx_paging(struct hnb *hnb, const char *imsi);
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void hnb_nas_rx_dtap(struct hnb *hnb, void *data, int len);
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void hnb_rx_secmode_cmd(struct hnb *hnb, long ip_alg);
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extern struct hnb g_hnb;
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@ -0,0 +1,7 @@
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#pragma once
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struct ranap_message_s;
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#include <osmocom/hnodeb/hnodeb.h>
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void hnb_rua_dt_handle_ranap(struct hnb *hnb, struct ranap_message_s *ranap_msg);
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void hnb_rua_cl_handle_ranap(struct hnb *hnb, struct ranap_message_s *ranap_msg);
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@ -0,0 +1,8 @@
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#pragma once
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#include <asn1c/ANY.h>
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struct hnb;
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void hnb_rua_dt_handle(struct hnb *hnb, struct ANY *in);
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void hnb_rua_cl_handle(struct hnb *hnb, struct ANY *in);
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@ -6,6 +6,7 @@ AM_CPPFLAGS = \
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AM_CFLAGS = \
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-Wall \
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$(LIBASN1C_CFLAGS) \
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$(LIBOSMOCORE_CFLAGS) \
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$(LIBOSMOGSM_CFLAGS) \
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$(LIBOSMOVTY_CFLAGS) \
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@ -14,6 +15,9 @@ AM_CFLAGS = \
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$(COVERAGE_CFLAGS) \
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$(LIBOSMOABIS_CFLAGS) \
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$(LIBOSMOSIGTRAN_CFLAGS) \
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$(LIBOSMORUA_CFLAGS) \
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$(LIBOSMORANAP_CFLAGS) \
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$(LIBOSMOHNBAP_CFLAGS) \
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$(NULL)
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AM_LDFLAGS = \
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@ -26,9 +30,13 @@ bin_PROGRAMS = \
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osmo_hnodeb_SOURCES = \
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main.c \
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debug.c \
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ranap.c \
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rua.c \
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$(NULL)
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osmo_hnodeb_LDADD = \
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$(LIBASN1C_LIBS) \
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$(LIBOSMOCORE_LIBS) \
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$(LIBOSMOGSM_LIBS) \
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$(LIBOSMOVTY_LIBS) \
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@ -37,4 +45,7 @@ osmo_hnodeb_LDADD = \
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$(COVERAGE_LDFLAGS) \
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$(LIBOSMOABIS_LIBS) \
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$(LIBOSMOSIGTRAN_LIBS) \
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$(LIBOSMORUA_LIBS) \
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$(LIBOSMORANAP_LIBS) \
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$(LIBOSMOHNBAP_LIBS) \
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$(NULL)
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@ -0,0 +1,31 @@
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#include <osmocom/core/logging.h>
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#include <osmocom/hnodeb/hnodeb.h>
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static const struct log_info_cat log_cat[] = {
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[DMAIN] = {
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.name = "DMAIN", .loglevel = LOGL_INFO, .enabled = 1,
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.color = "",
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.description = "Main program",
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},
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[DHNBAP] = {
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.name = "DHNBAP", .loglevel = LOGL_DEBUG, .enabled = 1,
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.color = "",
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.description = "Home Node B Application Part",
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},
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[DRANAP] = {
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.name = "RANAP", .loglevel = LOGL_DEBUG, .enabled = 1,
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.color = "",
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.description = "RAN Application Part",
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},
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[DRUA] = {
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.name = "RUA", .loglevel = LOGL_DEBUG, .enabled = 1,
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.color = "",
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.description = "RANAP User Adaptation",
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},
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};
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const struct log_info hnb_log_info = {
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.cat = log_cat,
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.num_cat = ARRAY_SIZE(log_cat),
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};
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@ -1,4 +1,5 @@
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/* (C) 2021 by sysmocom - s.f.m.c. GmbH <info@sysmocom.de>
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/* (C) 2015 by Daniel Willmann <dwillmann@sysmocom.de>
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* (C) 2021 by sysmocom - s.f.m.c. GmbH <info@sysmocom.de>
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* Author: Pau Espin Pedrol <pespin@sysmocom.de>
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* All Rights Reserved
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*
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@ -19,7 +20,992 @@
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#include "config.h"
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int main(int argc, char **argv)
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#include <unistd.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <getopt.h>
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#include <errno.h>
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#include <signal.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <netinet/sctp.h>
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#include <arpa/inet.h>
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#include <osmocom/core/application.h>
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#include <osmocom/core/talloc.h>
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#include <osmocom/core/select.h>
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#include <osmocom/core/logging.h>
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#include <osmocom/core/socket.h>
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#include <osmocom/core/msgb.h>
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#include <osmocom/core/write_queue.h>
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#include <osmocom/netif/stream.h>
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#include <osmocom/gsm/tlv.h>
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#include <osmocom/gsm/gsm48.h>
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#include <osmocom/vty/telnet_interface.h>
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#include <osmocom/vty/logging.h>
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#include <osmocom/vty/command.h>
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#include <osmocom/crypt/auth.h>
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#include <osmocom/hnbap/hnbap_common.h>
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#include <osmocom/hnbap/hnbap_ies_defs.h>
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#include <osmocom/rua/rua_msg_factory.h>
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#include "asn1helpers.h"
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#include <osmocom/ranap/iu_helpers.h>
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#include <osmocom/ranap/ranap_msg_factory.h>
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#include <osmocom/rua/RUA_RUA-PDU.h>
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#include <osmocom/gsm/protocol/gsm_04_08.h>
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#include <osmocom/ranap/RANAP_ProcedureCode.h>
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#include <osmocom/ranap/RANAP_Criticality.h>
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#include <osmocom/ranap/RANAP_DirectTransfer.h>
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#include <osmocom/ranap/ranap_common.h>
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#include <osmocom/hnodeb/rua.h>
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#include <osmocom/hnodeb/ranap.h>
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#include <osmocom/hnodeb/hnodeb.h>
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static void *tall_hnb_ctx;
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struct hnb g_hnb = {
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.gw_addr = "127.0.0.1",
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.gw_port = IUH_DEFAULT_SCTP_PORT,
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};
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struct msgb *rua_new_udt(struct msgb *inmsg);
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#if 0
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static int hnb_ue_de_register_tx(struct hnb *hnb)
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{
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struct msgb *msg;
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int rc;
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uint32_t ctx_id;
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UEDe_Register_t dereg;
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UEDe_RegisterIEs_t dereg_ies;
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memset(&dereg_ies, 0, sizeof(dereg_ies));
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asn1_u24_to_bitstring(&dereg_ies.context_ID, &ctx_id, hnb->ctx_id);
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dereg_ies.cause.present = Cause_PR_radioNetwork;
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dereg_ies.cause.choice.radioNetwork = CauseRadioNetwork_connection_with_UE_lost;
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memset(&dereg, 0, sizeof(dereg));
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rc = hnbap_encode_uede_registeries(&dereg, &dereg_ies);
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OSMO_ASSERT(rc == 0);
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msg = hnbap_generate_initiating_message(ProcedureCode_id_UEDe_Register,
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Criticality_ignore,
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&asn_DEF_UEDe_Register,
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&dereg);
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ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_UEDe_Register, &dereg);
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msgb_sctp_ppid(msg) = IUH_PPI_HNBAP;
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return osmo_wqueue_enqueue(&hnb->wqueue, msg);
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}
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#endif
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static int hnb_ue_register_tx(struct hnb *hnb, const char *imsi_str)
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{
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struct msgb *msg;
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int rc, imsi_len;
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uint8_t imsi_buf[16];
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HNBAP_UERegisterRequest_t request_out;
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HNBAP_UERegisterRequestIEs_t request;
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memset(&request, 0, sizeof(request));
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request.uE_Identity.present = HNBAP_UE_Identity_PR_iMSI;
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imsi_len = ranap_imsi_encode(imsi_buf, sizeof(imsi_buf), imsi_str);
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OCTET_STRING_fromBuf(&request.uE_Identity.choice.iMSI, (const char*)imsi_buf, imsi_len);
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request.registration_Cause = HNBAP_Registration_Cause_normal;
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request.uE_Capabilities.access_stratum_release_indicator = HNBAP_Access_stratum_release_indicator_rel_6;
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request.uE_Capabilities.csg_capability = HNBAP_CSG_Capability_not_csg_capable;
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memset(&request_out, 0, sizeof(request_out));
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rc = hnbap_encode_ueregisterrequesties(&request_out, &request);
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OSMO_ASSERT(rc == 0);
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msg = hnbap_generate_initiating_message(HNBAP_ProcedureCode_id_UERegister,
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HNBAP_Criticality_reject,
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&asn_DEF_HNBAP_UERegisterRequest,
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&request_out);
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ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_HNBAP_UERegisterRequest, &request_out);
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msgb_sctp_ppid(msg) = IUH_PPI_HNBAP;
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return osmo_wqueue_enqueue(&hnb->wqueue, msg);
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}
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static int hnb_rx_hnb_register_acc(struct hnb *hnb, ANY_t *in)
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{
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int rc;
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HNBAP_HNBRegisterAcceptIEs_t accept;
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rc = hnbap_decode_hnbregisteraccepties(&accept, in);
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if (rc < 0) {
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}
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hnb->rnc_id = accept.rnc_id;
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printf("HNB Register accept with RNC ID %u\n", hnb->rnc_id);
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hnbap_free_hnbregisteraccepties(&accept);
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return 0;
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}
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static int hnb_rx_ue_register_acc(struct hnb *hnb, ANY_t *in)
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{
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int rc;
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uint32_t ctx_id;
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HNBAP_UERegisterAcceptIEs_t accept;
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char imsi[16];
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rc = hnbap_decode_ueregisteraccepties(&accept, in);
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if (rc < 0) {
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return rc;
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}
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if (accept.uE_Identity.present != HNBAP_UE_Identity_PR_iMSI) {
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printf("Wrong type in UE register accept\n");
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return -1;
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}
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ctx_id = asn1bitstr_to_u24(&accept.context_ID);
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ranap_bcd_decode(imsi, sizeof(imsi), accept.uE_Identity.choice.iMSI.buf,
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accept.uE_Identity.choice.iMSI.size);
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printf("UE Register accept for IMSI %s, context %u\n", imsi, ctx_id);
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hnb->ctx_id = ctx_id;
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hnbap_free_ueregisteraccepties(&accept);
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return 0;
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}
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static struct msgb *gen_nas_id_resp()
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{
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uint8_t id_resp[] = {
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GSM48_PDISC_MM,
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GSM48_MT_MM_ID_RESP,
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/* IMEISV */
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0x09, /* len */
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0x03, /* first digit (0000) + even (0) + id IMEISV (011) */
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0x31, 0x91, 0x06, 0x00, 0x28, 0x47, 0x11, /* digits */
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0xf2, /* filler (1111) + last digit (0010) */
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};
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return ranap_new_msg_dt(0, id_resp, sizeof(id_resp));
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}
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static struct msgb *gen_nas_tmsi_realloc_compl()
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{
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uint8_t id_resp[] = {
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GSM48_PDISC_MM,
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GSM48_MT_MM_TMSI_REALL_COMPL,
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};
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return ranap_new_msg_dt(0, id_resp, sizeof(id_resp));
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}
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static struct msgb *gen_nas_auth_resp(uint8_t *sres)
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{
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uint8_t id_resp[] = {
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GSM48_PDISC_MM,
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0x80 | GSM48_MT_MM_AUTH_RESP, /* simulate sequence nr 2 */
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0x61, 0xb5, 0x69, 0xf5 /* hardcoded SRES */
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};
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memcpy(id_resp + 2, sres, 4);
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return ranap_new_msg_dt(0, id_resp, sizeof(id_resp));
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}
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static int hnb_tx_dt(struct hnb *hnb, struct msgb *txm)
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{
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struct hnb_chan *chan;
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struct msgb *rua;
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chan = hnb->cs.chan;
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if (!chan) {
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printf("hnb_nas_tx_tmsi_realloc_compl(): No CS channel established yet.\n");
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return -1;
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}
|
||||
|
||||
rua = rua_new_dt(chan->is_ps, chan->conn_id, txm);
|
||||
osmo_wqueue_enqueue(&g_hnb.wqueue, rua);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct tlv_parsed *parse_mm(struct gsm48_hdr *gh, int len)
|
||||
{
|
||||
static struct tlv_parsed tp;
|
||||
int parse_res;
|
||||
|
||||
len -= (const char *)&gh->data[0] - (const char *)gh;
|
||||
|
||||
OSMO_ASSERT(gsm48_hdr_pdisc(gh) == GSM48_PDISC_MM);
|
||||
|
||||
parse_res = tlv_parse(&tp, &gsm48_mm_att_tlvdef, &gh->data[0], len, 0, 0);
|
||||
if (parse_res <= 0) {
|
||||
uint8_t msg_type = gsm48_hdr_msg_type(gh);
|
||||
printf("Error parsing MM message 0x%hhx: %d\n", msg_type, parse_res);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
return &tp;
|
||||
}
|
||||
|
||||
int hnb_nas_rx_lu_accept(struct gsm48_hdr *gh, int len, int *sent_tmsi)
|
||||
{
|
||||
printf(" :D Location Update Accept :D\n");
|
||||
struct gsm48_loc_area_id *lai;
|
||||
|
||||
lai = (struct gsm48_loc_area_id *)&gh->data[0];
|
||||
|
||||
struct osmo_location_area_id laid;
|
||||
gsm48_decode_lai2(lai, &laid);
|
||||
printf("LU: mcc %s mnc %s lac %hd\n",
|
||||
osmo_mcc_name(laid.plmn.mcc), osmo_mnc_name(laid.plmn.mnc, laid.plmn.mnc_3_digits),
|
||||
laid.lac);
|
||||
|
||||
struct tlv_parsed tp;
|
||||
int parse_res;
|
||||
|
||||
len -= (const char *)&gh->data[0] - (const char *)gh;
|
||||
parse_res = tlv_parse(&tp, &gsm48_mm_att_tlvdef, &gh->data[0], len, 0, 0);
|
||||
if (parse_res <= 0) {
|
||||
printf("Error parsing Location Update Accept message: %d\n", parse_res);
|
||||
return -1;
|
||||
}
|
||||
|
||||
if (TLVP_PRESENT(&tp, GSM48_IE_MOBILE_ID)) {
|
||||
uint8_t type = TLVP_VAL(&tp, GSM48_IE_NAME_SHORT)[0] & 0x0f;
|
||||
if (type == GSM_MI_TYPE_TMSI)
|
||||
*sent_tmsi = 1;
|
||||
else *sent_tmsi = 0;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
void hnb_nas_rx_mm_info(struct gsm48_hdr *gh, int len)
|
||||
{
|
||||
printf(" :) MM Info :)\n");
|
||||
struct tlv_parsed *tp = parse_mm(gh, len);
|
||||
if (!tp)
|
||||
return;
|
||||
|
||||
if (TLVP_PRESENT(tp, GSM48_IE_NAME_SHORT)) {
|
||||
char name[128] = {0};
|
||||
gsm_7bit_decode_n(name, 127,
|
||||
TLVP_VAL(tp, GSM48_IE_NAME_SHORT)+1,
|
||||
(TLVP_LEN(tp, GSM48_IE_NAME_SHORT)-1)*8/7);
|
||||
printf("Info: Short Network Name: %s\n", name);
|
||||
}
|
||||
|
||||
if (TLVP_PRESENT(tp, GSM48_IE_NAME_LONG)) {
|
||||
char name[128] = {0};
|
||||
gsm_7bit_decode_n(name, 127,
|
||||
TLVP_VAL(tp, GSM48_IE_NAME_LONG)+1,
|
||||
(TLVP_LEN(tp, GSM48_IE_NAME_LONG)-1)*8/7);
|
||||
printf("Info: Long Network Name: %s\n", name);
|
||||
}
|
||||
}
|
||||
|
||||
static int hnb_nas_rx_auth_req(struct hnb *hnb, struct gsm48_hdr *gh,
|
||||
int len)
|
||||
{
|
||||
struct gsm48_auth_req *ar;
|
||||
|
||||
len -= (const char *)&gh->data[0] - (const char *)gh;
|
||||
|
||||
if (len < sizeof(*ar)) {
|
||||
printf("GSM48 Auth Req does not fit.\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
printf(" :) Authentication Request :)\n");
|
||||
|
||||
ar = (struct gsm48_auth_req*) &gh->data[0];
|
||||
int seq = ar->key_seq;
|
||||
|
||||
/* Generate SRES from *HARDCODED* Ki for Iuh testing */
|
||||
struct osmo_auth_vector vec;
|
||||
/* Ki 000102030405060708090a0b0c0d0e0f */
|
||||
struct osmo_sub_auth_data auth = {
|
||||
.type = OSMO_AUTH_TYPE_GSM,
|
||||
.algo = OSMO_AUTH_ALG_COMP128v1,
|
||||
.u.gsm.ki = {
|
||||
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06,
|
||||
0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d,
|
||||
0x0e, 0x0f
|
||||
},
|
||||
};
|
||||
|
||||
memset(&vec, 0, sizeof(vec));
|
||||
osmo_auth_gen_vec(&vec, &auth, ar->rand);
|
||||
|
||||
printf("seq %d rand %s",
|
||||
seq, osmo_hexdump(ar->rand, sizeof(ar->rand)));
|
||||
printf(" --> sres %s\n",
|
||||
osmo_hexdump(vec.sres, 4));
|
||||
|
||||
return hnb_tx_dt(hnb, gen_nas_auth_resp(vec.sres));
|
||||
}
|
||||
|
||||
void hnb_tx_iu_release_req(struct hnb *hnb)
|
||||
{
|
||||
RANAP_Cause_t cause = {
|
||||
.present = RANAP_Cause_PR_radioNetwork,
|
||||
.choice.transmissionNetwork = RANAP_CauseRadioNetwork_release_due_to_UE_generated_signalling_connection_release,
|
||||
};
|
||||
hnb_tx_dt(hnb, ranap_new_msg_iu_rel_req(&cause));
|
||||
}
|
||||
|
||||
void hnb_tx_iu_release_compl(struct hnb *hnb)
|
||||
{
|
||||
hnb_tx_dt(hnb, ranap_new_msg_iu_rel_compl());
|
||||
}
|
||||
|
||||
static int hnb_nas_rx_mm(struct hnb *hnb, struct gsm48_hdr *gh, int len)
|
||||
{
|
||||
struct hnb_chan *chan;
|
||||
|
||||
chan = hnb->cs.chan;
|
||||
if (!chan) {
|
||||
printf("hnb_nas_rx_mm(): No CS channel established yet.\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
OSMO_ASSERT(!chan->is_ps);
|
||||
|
||||
uint8_t msg_type = gsm48_hdr_msg_type(gh);
|
||||
int sent_tmsi;
|
||||
|
||||
switch (msg_type) {
|
||||
case GSM48_MT_MM_ID_REQ:
|
||||
return hnb_tx_dt(hnb, gen_nas_id_resp());
|
||||
|
||||
case GSM48_MT_MM_LOC_UPD_ACCEPT:
|
||||
if (hnb_nas_rx_lu_accept(gh, len, &sent_tmsi))
|
||||
return -1;
|
||||
if (sent_tmsi)
|
||||
return hnb_tx_dt(hnb, gen_nas_tmsi_realloc_compl());
|
||||
else
|
||||
return 0;
|
||||
|
||||
case GSM48_MT_MM_LOC_UPD_REJECT:
|
||||
printf("Received Location Update Reject\n");
|
||||
return 0;
|
||||
|
||||
case GSM48_MT_MM_INFO:
|
||||
hnb_nas_rx_mm_info(gh, len);
|
||||
hnb_tx_iu_release_req(hnb);
|
||||
return 0;
|
||||
|
||||
case GSM48_MT_MM_AUTH_REQ:
|
||||
return hnb_nas_rx_auth_req(hnb, gh, len);
|
||||
|
||||
default:
|
||||
printf("04.08 message type not handled by hnb-test: 0x%x\n",
|
||||
msg_type);
|
||||
return 0;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
void hnb_nas_rx_dtap(struct hnb *hnb, void *data, int len)
|
||||
{
|
||||
int rc;
|
||||
printf("got %d bytes: %s\n", len, osmo_hexdump(data, len));
|
||||
|
||||
// nas_pdu == '05 08 12' ==> IMEI Identity request
|
||||
// '05 04 0d' ==> LU reject
|
||||
|
||||
struct gsm48_hdr *gh = data;
|
||||
if (len < sizeof(*gh)) {
|
||||
printf("hnb_nas_rx_dtap(): NAS PDU is too short: %d. Ignoring.\n",
|
||||
len);
|
||||
return;
|
||||
}
|
||||
uint8_t pdisc = gsm48_hdr_pdisc(gh);
|
||||
|
||||
switch (pdisc) {
|
||||
case GSM48_PDISC_MM:
|
||||
rc = hnb_nas_rx_mm(hnb, gh, len);
|
||||
if (rc != 0)
|
||||
printf("Error receiving MM message: %d\n", rc);
|
||||
return;
|
||||
default:
|
||||
printf("04.08 discriminator not handled by hnb-test: %d\n",
|
||||
pdisc);
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
void hnb_rx_secmode_cmd(struct hnb *hnb, long ip_alg)
|
||||
{
|
||||
printf(" :) Security Mode Command :)\n");
|
||||
/* not caring about encryption yet, just pass 0 for No Encryption. */
|
||||
hnb_tx_dt(hnb, ranap_new_msg_sec_mod_compl(ip_alg, 0));
|
||||
}
|
||||
|
||||
void hnb_rx_iu_release(struct hnb *hnb)
|
||||
{
|
||||
hnb_tx_iu_release_compl(hnb);
|
||||
}
|
||||
|
||||
void hnb_rx_paging(struct hnb *hnb, const char *imsi)
|
||||
{
|
||||
printf(" :) Paging Request for %s :)\n", imsi);
|
||||
/* TODO reply */
|
||||
}
|
||||
|
||||
int hnb_hnbap_rx(struct hnb *hnb, struct msgb *msg)
|
||||
{
|
||||
HNBAP_HNBAP_PDU_t _pdu, *pdu = &_pdu;
|
||||
asn_dec_rval_t dec_ret;
|
||||
int rc;
|
||||
|
||||
memset(pdu, 0, sizeof(*pdu));
|
||||
dec_ret = aper_decode(NULL, &asn_DEF_HNBAP_HNBAP_PDU, (void **) &pdu,
|
||||
msg->data, msgb_length(msg), 0, 0);
|
||||
if (dec_ret.code != RC_OK) {
|
||||
LOGP(DMAIN, LOGL_ERROR, "Error in ASN.1 decode\n");
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
if (pdu->present != HNBAP_HNBAP_PDU_PR_successfulOutcome) {
|
||||
printf("Unexpected HNBAP message received\n");
|
||||
}
|
||||
|
||||
switch (pdu->choice.successfulOutcome.procedureCode) {
|
||||
case HNBAP_ProcedureCode_id_HNBRegister:
|
||||
/* Get HNB id and send UE Register request */
|
||||
rc = hnb_rx_hnb_register_acc(hnb, &pdu->choice.successfulOutcome.value);
|
||||
break;
|
||||
case HNBAP_ProcedureCode_id_UERegister:
|
||||
rc = hnb_rx_ue_register_acc(hnb, &pdu->choice.successfulOutcome.value);
|
||||
break;
|
||||
default:
|
||||
rc = -ENOSPC;
|
||||
break;
|
||||
}
|
||||
|
||||
return rc;
|
||||
}
|
||||
|
||||
extern void direct_transfer_nas_pdu_print(ANY_t *in);
|
||||
|
||||
int hnb_rua_rx(struct hnb *hnb, struct msgb *msg)
|
||||
{
|
||||
RUA_RUA_PDU_t _pdu, *pdu = &_pdu;
|
||||
asn_dec_rval_t dec_ret;
|
||||
|
||||
memset(pdu, 0, sizeof(*pdu));
|
||||
dec_ret = aper_decode(NULL, &asn_DEF_RUA_RUA_PDU, (void **) &pdu,
|
||||
msg->data, msgb_length(msg), 0, 0);
|
||||
if (dec_ret.code != RC_OK) {
|
||||
LOGP(DMAIN, LOGL_ERROR, "Error in ASN.1 decode\n");
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
switch (pdu->present) {
|
||||
case RUA_RUA_PDU_PR_successfulOutcome:
|
||||
printf("RUA_RUA_PDU_PR_successfulOutcome\n");
|
||||
break;
|
||||
case RUA_RUA_PDU_PR_initiatingMessage:
|
||||
printf("RUA_RUA_PDU_PR_initiatingMessage\n");
|
||||
break;
|
||||
case RUA_RUA_PDU_PR_NOTHING:
|
||||
printf("RUA_RUA_PDU_PR_NOTHING\n");
|
||||
break;
|
||||
case RUA_RUA_PDU_PR_unsuccessfulOutcome:
|
||||
printf("RUA_RUA_PDU_PR_unsuccessfulOutcome\n");
|
||||
break;
|
||||
default:
|
||||
printf("Unexpected RUA message received\n");
|
||||
break;
|
||||
}
|
||||
|
||||
switch (pdu->choice.successfulOutcome.procedureCode) {
|
||||
case RUA_ProcedureCode_id_ConnectionlessTransfer:
|
||||
printf("RUA rx Connectionless Transfer\n");
|
||||
hnb_rua_cl_handle(hnb, &pdu->choice.successfulOutcome.value);
|
||||
break;
|
||||
case RUA_ProcedureCode_id_Connect:
|
||||
printf("RUA rx Connect\n");
|
||||
break;
|
||||
case RUA_ProcedureCode_id_DirectTransfer:
|
||||
printf("RUA rx DirectTransfer\n");
|
||||
hnb_rua_dt_handle(hnb, &pdu->choice.successfulOutcome.value);
|
||||
break;
|
||||
case RUA_ProcedureCode_id_Disconnect:
|
||||
printf("RUA rx Disconnect\n");
|
||||
break;
|
||||
case RUA_ProcedureCode_id_ErrorIndication:
|
||||
printf("RUA rx ErrorIndication\n");
|
||||
break;
|
||||
case RUA_ProcedureCode_id_privateMessage:
|
||||
printf("RUA rx privateMessage\n");
|
||||
break;
|
||||
default:
|
||||
printf("RUA rx unknown message\n");
|
||||
break;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int hnb_read_cb(struct osmo_fd *fd)
|
||||
{
|
||||
struct hnb *hnb = fd->data;
|
||||
struct sctp_sndrcvinfo sinfo;
|
||||
struct msgb *msg = msgb_alloc(IUH_MSGB_SIZE, "Iuh rx");
|
||||
int flags = 0;
|
||||
int rc;
|
||||
|
||||
if (!msg)
|
||||
return -ENOMEM;
|
||||
|
||||
rc = sctp_recvmsg(fd->fd, msgb_data(msg), msgb_tailroom(msg),
|
||||
NULL, NULL, &sinfo, &flags);
|
||||
if (rc < 0) {
|
||||
LOGP(DMAIN, LOGL_ERROR, "Error during sctp_recvmsg()\n");
|
||||
/* FIXME: clean up after disappeared HNB */
|
||||
close(fd->fd);
|
||||
osmo_fd_unregister(fd);
|
||||
return rc;
|
||||
} else if (rc == 0) {
|
||||
LOGP(DMAIN, LOGL_INFO, "Connection to HNB closed\n");
|
||||
close(fd->fd);
|
||||
osmo_fd_unregister(fd);
|
||||
fd->fd = -1;
|
||||
|
||||
return -1;
|
||||
} else {
|
||||
msgb_put(msg, rc);
|
||||
}
|
||||
|
||||
if (flags & MSG_NOTIFICATION) {
|
||||
LOGP(DMAIN, LOGL_DEBUG, "Ignoring SCTP notification\n");
|
||||
msgb_free(msg);
|
||||
return 0;
|
||||
}
|
||||
|
||||
sinfo.sinfo_ppid = ntohl(sinfo.sinfo_ppid);
|
||||
|
||||
switch (sinfo.sinfo_ppid) {
|
||||
case IUH_PPI_HNBAP:
|
||||
printf("HNBAP message received\n");
|
||||
rc = hnb_hnbap_rx(hnb, msg);
|
||||
break;
|
||||
case IUH_PPI_RUA:
|
||||
printf("RUA message received\n");
|
||||
rc = hnb_rua_rx(hnb, msg);
|
||||
break;
|
||||
case IUH_PPI_SABP:
|
||||
case IUH_PPI_RNA:
|
||||
case IUH_PPI_PUA:
|
||||
LOGP(DMAIN, LOGL_ERROR, "Unimplemented SCTP PPID=%u received\n",
|
||||
sinfo.sinfo_ppid);
|
||||
rc = 0;
|
||||
break;
|
||||
default:
|
||||
LOGP(DMAIN, LOGL_ERROR, "Unknown SCTP PPID=%u received\n",
|
||||
sinfo.sinfo_ppid);
|
||||
rc = 0;
|
||||
break;
|
||||
}
|
||||
|
||||
msgb_free(msg);
|
||||
return rc;
|
||||
}
|
||||
|
||||
static int hnb_write_cb(struct osmo_fd *fd, struct msgb *msg)
|
||||
{
|
||||
/* struct hnb *ctx = fd->data; */
|
||||
struct sctp_sndrcvinfo sinfo = {
|
||||
.sinfo_ppid = htonl(msgb_sctp_ppid(msg)),
|
||||
.sinfo_stream = 0,
|
||||
};
|
||||
int rc;
|
||||
|
||||
printf("Sending: %s\n", osmo_hexdump(msgb_data(msg), msgb_length(msg)));
|
||||
rc = sctp_send(fd->fd, msgb_data(msg), msgb_length(msg),
|
||||
&sinfo, 0);
|
||||
/* we don't need to msgb_free(), write_queue does this for us */
|
||||
return rc;
|
||||
}
|
||||
|
||||
static void hnb_send_register_req(struct hnb *hnb)
|
||||
{
|
||||
HNBAP_HNBRegisterRequest_t request_out;
|
||||
struct msgb *msg;
|
||||
int rc;
|
||||
uint16_t lac, sac;
|
||||
uint8_t rac;
|
||||
uint32_t cid;
|
||||
uint8_t plmn[] = {0x09, 0xf1, 0x99};
|
||||
char identity[50] = "ATestHNB@";
|
||||
|
||||
HNBAP_HNBRegisterRequestIEs_t request;
|
||||
memset(&request, 0, sizeof(request));
|
||||
|
||||
lac = 0xc0fe;
|
||||
sac = 0xabab;
|
||||
rac = 0x42;
|
||||
cid = 0xadceaab;
|
||||
|
||||
asn1_u16_to_str(&request.lac, &lac, lac);
|
||||
asn1_u16_to_str(&request.sac, &sac, sac);
|
||||
asn1_u8_to_str(&request.rac, &rac, rac);
|
||||
asn1_u28_to_bitstring(&request.cellIdentity, &cid, cid);
|
||||
|
||||
request.hnB_Identity.hNB_Identity_Info.buf = (uint8_t*) identity;
|
||||
request.hnB_Identity.hNB_Identity_Info.size = strlen(identity);
|
||||
|
||||
request.plmNidentity.buf = plmn;
|
||||
request.plmNidentity.size = 3;
|
||||
|
||||
|
||||
|
||||
memset(&request_out, 0, sizeof(request_out));
|
||||
rc = hnbap_encode_hnbregisterrequesties(&request_out, &request);
|
||||
if (rc < 0) {
|
||||
printf("Could not encode HNB register request IEs\n");
|
||||
}
|
||||
|
||||
msg = hnbap_generate_initiating_message(HNBAP_ProcedureCode_id_HNBRegister,
|
||||
HNBAP_Criticality_reject,
|
||||
&asn_DEF_HNBAP_HNBRegisterRequest,
|
||||
&request_out);
|
||||
|
||||
|
||||
msgb_sctp_ppid(msg) = IUH_PPI_HNBAP;
|
||||
|
||||
osmo_wqueue_enqueue(&hnb->wqueue, msg);
|
||||
}
|
||||
|
||||
static void hnb_send_deregister_req(struct hnb *hnb)
|
||||
{
|
||||
struct msgb *msg;
|
||||
int rc;
|
||||
|
||||
HNBAP_HNBDe_RegisterIEs_t request;
|
||||
memset(&request, 0, sizeof(request));
|
||||
|
||||
request.cause.present = HNBAP_Cause_PR_misc;
|
||||
request.cause.choice.misc = HNBAP_CauseMisc_o_and_m_intervention;
|
||||
|
||||
HNBAP_HNBDe_Register_t request_out;
|
||||
memset(&request_out, 0, sizeof(request_out));
|
||||
rc = hnbap_encode_hnbde_registeries(&request_out, &request);
|
||||
if (rc < 0) {
|
||||
printf("Could not encode HNB deregister request IEs\n");
|
||||
}
|
||||
|
||||
msg = hnbap_generate_initiating_message(HNBAP_ProcedureCode_id_HNBDe_Register,
|
||||
HNBAP_Criticality_reject,
|
||||
&asn_DEF_HNBAP_HNBDe_Register,
|
||||
&request_out);
|
||||
|
||||
msgb_sctp_ppid(msg) = IUH_PPI_HNBAP;
|
||||
|
||||
osmo_wqueue_enqueue(&hnb->wqueue, msg);
|
||||
}
|
||||
|
||||
static struct vty_app_info vty_info = {
|
||||
.name = "OsmohNodeB",
|
||||
.version = "0",
|
||||
};
|
||||
|
||||
static int sctp_sock_init(int fd)
|
||||
{
|
||||
struct sctp_event_subscribe event;
|
||||
int rc;
|
||||
|
||||
/* subscribe for all events */
|
||||
memset((uint8_t *)&event, 1, sizeof(event));
|
||||
rc = setsockopt(fd, IPPROTO_SCTP, SCTP_EVENTS,
|
||||
&event, sizeof(event));
|
||||
|
||||
return rc;
|
||||
}
|
||||
|
||||
#define HNBAP_STR "HNBAP related commands\n"
|
||||
#define HNB_STR "HomeNodeB commands\n"
|
||||
#define UE_STR "User Equipment commands\n"
|
||||
#define RANAP_STR "RANAP related commands\n"
|
||||
#define CSPS_STR "Circuit Switched\n" "Packet Switched\n"
|
||||
|
||||
DEFUN(hnb_register, hnb_register_cmd,
|
||||
"hnbap hnb register", HNBAP_STR HNB_STR "Send HNB-REGISTER REQUEST")
|
||||
{
|
||||
hnb_send_register_req(&g_hnb);
|
||||
|
||||
return CMD_SUCCESS;
|
||||
}
|
||||
|
||||
DEFUN(hnb_deregister, hnb_deregister_cmd,
|
||||
"hnbap hnb deregister", HNBAP_STR HNB_STR "Send HNB-DEREGISTER REQUEST")
|
||||
{
|
||||
hnb_send_deregister_req(&g_hnb);
|
||||
|
||||
return CMD_SUCCESS;
|
||||
}
|
||||
|
||||
DEFUN(ue_register, ue_register_cmd,
|
||||
"hnbap ue register IMSI", HNBAP_STR UE_STR "Send UE-REGISTER REQUEST")
|
||||
{
|
||||
hnb_ue_register_tx(&g_hnb, argv[0]);
|
||||
|
||||
return CMD_SUCCESS;
|
||||
}
|
||||
|
||||
DEFUN(asn_dbg, asn_dbg_cmd,
|
||||
"asn-debug (1|0)", "Enable or disable libasn1c debugging")
|
||||
{
|
||||
asn_debug = atoi(argv[0]);
|
||||
|
||||
return CMD_SUCCESS;
|
||||
}
|
||||
|
||||
DEFUN(ranap_reset, ranap_reset_cmd,
|
||||
"ranap reset (cs|ps)", RANAP_STR "Send RANAP RESET\n" CSPS_STR)
|
||||
{
|
||||
int is_ps = 0;
|
||||
struct msgb *msg, *rua;
|
||||
|
||||
RANAP_Cause_t cause = {
|
||||
.present = RANAP_Cause_PR_transmissionNetwork,
|
||||
.choice.transmissionNetwork = RANAP_CauseTransmissionNetwork_signalling_transport_resource_failure,
|
||||
};
|
||||
|
||||
if (!strcmp(argv[0], "ps"))
|
||||
is_ps = 1;
|
||||
|
||||
msg = ranap_new_msg_reset(is_ps, &cause);
|
||||
rua = rua_new_udt(msg);
|
||||
//msgb_free(msg);
|
||||
osmo_wqueue_enqueue(&g_hnb.wqueue, rua);
|
||||
|
||||
return CMD_SUCCESS;
|
||||
}
|
||||
|
||||
|
||||
enum my_vty_nodes {
|
||||
CHAN_NODE = _LAST_OSMOVTY_NODE,
|
||||
};
|
||||
|
||||
static struct cmd_node chan_node = {
|
||||
CHAN_NODE,
|
||||
"%s(chan)> ",
|
||||
1,
|
||||
};
|
||||
|
||||
|
||||
static struct msgb *gen_initue_lu(int is_ps, uint32_t conn_id, const char *imsi)
|
||||
{
|
||||
uint8_t lu[] = { GSM48_PDISC_MM, GSM48_MT_MM_LOC_UPD_REQUEST,
|
||||
0x70, 0x62, 0xf2, 0x30, 0xff, 0xf3, 0x57,
|
||||
/* len, IMSI/type, IMSI-------------------------------- */
|
||||
0x08, 0x29, 0x26, 0x24, 0x10, 0x32, 0x54, 0x76, 0x98,
|
||||
0x33, 0x03, 0x57, 0x18 , 0xb2 };
|
||||
uint8_t plmn_id[] = { 0x09, 0x01, 0x99 };
|
||||
RANAP_GlobalRNC_ID_t rnc_id = {
|
||||
.rNC_ID = 23,
|
||||
.pLMNidentity.buf = plmn_id,
|
||||
.pLMNidentity.size = sizeof(plmn_id),
|
||||
};
|
||||
|
||||
/* FIXME: patch imsi */
|
||||
/* Note: the Mobile Identitiy IE's IMSI data has the identity type and
|
||||
* an even/odd indicator bit encoded in the first octet. So the first
|
||||
* octet looks like this:
|
||||
*
|
||||
* 8 7 6 5 | 4 | 3 2 1
|
||||
* IMSI-digit | even/odd | type
|
||||
*
|
||||
* followed by the remaining IMSI digits.
|
||||
* If digit count is even (bit 4 == 0), that first high-nibble is 0xf.
|
||||
* (derived from Iu pcap Location Update Request msg and TS 25.413)
|
||||
*
|
||||
* TODO I'm only 90% sure about this
|
||||
*/
|
||||
|
||||
return ranap_new_msg_initial_ue(conn_id, is_ps, &rnc_id, lu, sizeof(lu));
|
||||
}
|
||||
|
||||
DEFUN(chan, chan_cmd,
|
||||
"channel (cs|ps) lu imsi IMSI",
|
||||
"Open a new Signalling Connection\n"
|
||||
"To Circuit-Switched CN\n"
|
||||
"To Packet-Switched CN\n"
|
||||
"Performing a Location Update\n"
|
||||
)
|
||||
{
|
||||
struct hnb_chan *chan;
|
||||
struct msgb *msg, *rua;
|
||||
static uint16_t conn_id = 42;
|
||||
|
||||
chan = talloc_zero(tall_hnb_ctx, struct hnb_chan);
|
||||
if (!strcmp(argv[0], "ps"))
|
||||
chan->is_ps = 1;
|
||||
chan->imsi = talloc_strdup(chan, argv[1]);
|
||||
chan->conn_id = conn_id;
|
||||
conn_id++;
|
||||
|
||||
msg = gen_initue_lu(chan->is_ps, chan->conn_id, chan->imsi);
|
||||
rua = rua_new_conn(chan->is_ps, chan->conn_id, msg);
|
||||
|
||||
osmo_wqueue_enqueue(&g_hnb.wqueue, rua);
|
||||
|
||||
vty->index = chan;
|
||||
vty->node = CHAN_NODE;
|
||||
|
||||
if (!chan->is_ps)
|
||||
g_hnb.cs.chan = chan;
|
||||
|
||||
|
||||
return CMD_SUCCESS;
|
||||
}
|
||||
|
||||
static void hnb_vty_init(void)
|
||||
{
|
||||
install_element_ve(&asn_dbg_cmd);
|
||||
install_element_ve(&hnb_register_cmd);
|
||||
install_element_ve(&hnb_deregister_cmd);
|
||||
install_element_ve(&ue_register_cmd);
|
||||
install_element_ve(&ranap_reset_cmd);
|
||||
install_element_ve(&chan_cmd);
|
||||
|
||||
install_node(&chan_node, NULL);
|
||||
}
|
||||
|
||||
static void handle_options(int argc, char **argv)
|
||||
{
|
||||
while (1) {
|
||||
int idx = 0, c;
|
||||
static const struct option long_options[] = {
|
||||
{ "ues", 1, 0, 'u' },
|
||||
{ "gw-addr", 1, 0, 'g' },
|
||||
{ 0, 0, 0, 0 },
|
||||
};
|
||||
|
||||
c = getopt_long(argc, argv, "u:g:", long_options, &idx);
|
||||
|
||||
if (c == -1)
|
||||
break;
|
||||
|
||||
switch (c) {
|
||||
case 'u':
|
||||
g_hnb.ues = atoi(optarg);
|
||||
break;
|
||||
case 'g':
|
||||
g_hnb.gw_addr = optarg;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
int main(int argc, char **argv)
|
||||
{
|
||||
int rc;
|
||||
|
||||
tall_hnb_ctx = talloc_named_const(NULL, 0, "hnb_context");
|
||||
|
||||
msgb_talloc_ctx_init(tall_hnb_ctx, 0);
|
||||
talloc_asn1_ctx = talloc_named_const(tall_hnb_ctx, 0, "asn1_context");
|
||||
|
||||
rc = osmo_init_logging2(tall_hnb_ctx, &hnb_log_info);
|
||||
if (rc < 0)
|
||||
exit(1);
|
||||
|
||||
ranap_set_log_area(DRANAP);
|
||||
|
||||
log_set_print_filename2(osmo_stderr_target, LOG_FILENAME_NONE);
|
||||
log_set_use_color(osmo_stderr_target, 0);
|
||||
log_set_print_category(osmo_stderr_target, 0);
|
||||
log_set_print_category_hex(osmo_stderr_target, 0);
|
||||
|
||||
vty_init(&vty_info);
|
||||
hnb_vty_init();
|
||||
|
||||
rc = telnet_init_dynif(NULL, NULL, vty_get_bind_addr(), 2324);
|
||||
if (rc < 0) {
|
||||
perror("Error binding VTY port");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
handle_options(argc, argv);
|
||||
|
||||
osmo_wqueue_init(&g_hnb.wqueue, 16);
|
||||
g_hnb.wqueue.bfd.data = &g_hnb;
|
||||
g_hnb.wqueue.read_cb = hnb_read_cb;
|
||||
g_hnb.wqueue.write_cb = hnb_write_cb;
|
||||
|
||||
rc = osmo_sock_init_ofd(&g_hnb.wqueue.bfd, AF_INET, SOCK_STREAM,
|
||||
IPPROTO_SCTP, g_hnb.gw_addr,
|
||||
g_hnb.gw_port, OSMO_SOCK_F_CONNECT);
|
||||
if (rc < 0) {
|
||||
perror("Error connecting to Iuh port");
|
||||
exit(1);
|
||||
}
|
||||
sctp_sock_init(g_hnb.wqueue.bfd.fd);
|
||||
|
||||
#if 0
|
||||
/* some hard-coded message generation. Doesn't make sense from
|
||||
* a protocol point of view but enables to look at the encoded
|
||||
* results in wireshark for manual verification */
|
||||
{
|
||||
struct msgb *msg, *rua;
|
||||
const uint8_t nas[] = { 0, 1, 2, 3 };
|
||||
const uint8_t ik[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };
|
||||
|
||||
msg = ranap_new_msg_dt(0, nas, sizeof(nas));
|
||||
rua = rua_new_udt(msg);
|
||||
osmo_wqueue_enqueue(&g_hnb.wqueue, rua);
|
||||
|
||||
msg = ranap_new_msg_sec_mod_cmd(ik, ik, RANAP_KeyStatus_new);
|
||||
rua = rua_new_udt(msg);
|
||||
osmo_wqueue_enqueue(&g_hnb.wqueue, rua);
|
||||
|
||||
msg = ranap_new_msg_iu_rel_cmd()
|
||||
rua = rua_new_udt(msg);
|
||||
osmo_wqueue_enqueue(&g_hnb.wqueue, rua);
|
||||
|
||||
msg = ranap_new_msg_paging_cmd("901990123456789", NULL, 0, 0);
|
||||
rua = rua_new_udt(msg);
|
||||
osmo_wqueue_enqueue(&g_hnb.wqueue, rua);
|
||||
|
||||
msg = ranap_new_msg_rab_assign_voice(1, 0x01020304, 0x1020);
|
||||
rua = rua_new_udt(msg);
|
||||
osmo_wqueue_enqueue(&g_hnb.wqueue, rua);
|
||||
|
||||
msg = ranap_new_msg_rab_assign_data(2, 0x01020304, 0x11223344);
|
||||
rua = rua_new_udt(msg);
|
||||
osmo_wqueue_enqueue(&g_hnb.wqueue, rua);
|
||||
}
|
||||
#endif
|
||||
|
||||
while (1) {
|
||||
rc = osmo_select_main(0);
|
||||
if (rc < 0)
|
||||
exit(3);
|
||||
}
|
||||
|
||||
/* not reached */
|
||||
exit(0);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -0,0 +1,88 @@
|
|||
#include <osmocom/core/msgb.h>
|
||||
|
||||
#include <osmocom/ranap/ranap_common_cn.h>
|
||||
#include <osmocom/ranap/ranap_ies_defs.h>
|
||||
#include <osmocom/ranap/iu_helpers.h>
|
||||
|
||||
#include <osmocom/hnodeb/ranap.h>
|
||||
|
||||
static const char *printstr(OCTET_STRING_t *s)
|
||||
{
|
||||
return osmo_hexdump((const unsigned char*)s->buf, s->size);
|
||||
}
|
||||
|
||||
#define PP(octet_string_t) \
|
||||
printf(#octet_string_t " = %s\n",\
|
||||
printstr(&octet_string_t))
|
||||
|
||||
void hnb_rua_dt_handle_ranap(struct hnb *hnb,
|
||||
struct ranap_message_s *ranap_msg)
|
||||
{
|
||||
int len;
|
||||
uint8_t *data;
|
||||
RANAP_PermittedIntegrityProtectionAlgorithms_t *algs;
|
||||
RANAP_IntegrityProtectionAlgorithm_t *first_alg;
|
||||
|
||||
printf("rx ranap_msg->procedureCode %d\n",
|
||||
ranap_msg->procedureCode);
|
||||
|
||||
switch (ranap_msg->procedureCode) {
|
||||
case RANAP_ProcedureCode_id_DirectTransfer:
|
||||
printf("rx DirectTransfer: presence = %hx\n",
|
||||
ranap_msg->msg.directTransferIEs.presenceMask);
|
||||
PP(ranap_msg->msg.directTransferIEs.nas_pdu);
|
||||
|
||||
len = ranap_msg->msg.directTransferIEs.nas_pdu.size;
|
||||
data = ranap_msg->msg.directTransferIEs.nas_pdu.buf;
|
||||
|
||||
hnb_nas_rx_dtap(hnb, data, len);
|
||||
return;
|
||||
|
||||
case RANAP_ProcedureCode_id_SecurityModeControl:
|
||||
printf("rx SecurityModeControl: presence = %hx\n",
|
||||
ranap_msg->msg.securityModeCommandIEs.presenceMask);
|
||||
|
||||
/* Just pick the first available IP alg, don't care about
|
||||
* encryption (yet?) */
|
||||
algs = &ranap_msg->msg.securityModeCommandIEs.integrityProtectionInformation.permittedAlgorithms;
|
||||
if (algs->list.count < 1) {
|
||||
printf("Security Mode Command: No permitted algorithms.\n");
|
||||
return;
|
||||
}
|
||||
first_alg = *algs->list.array;
|
||||
|
||||
hnb_rx_secmode_cmd(hnb, *first_alg);
|
||||
return;
|
||||
|
||||
case RANAP_ProcedureCode_id_Iu_Release:
|
||||
hnb_rx_iu_release(hnb);
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
void hnb_rua_cl_handle_ranap(struct hnb *hnb,
|
||||
struct ranap_message_s *ranap_msg)
|
||||
{
|
||||
char imsi[16];
|
||||
|
||||
printf("rx ranap_msg->procedureCode %d\n",
|
||||
ranap_msg->procedureCode);
|
||||
|
||||
switch (ranap_msg->procedureCode) {
|
||||
case RANAP_ProcedureCode_id_Paging:
|
||||
if (ranap_msg->msg.pagingIEs.permanentNAS_UE_ID.present == RANAP_PermanentNAS_UE_ID_PR_iMSI) {
|
||||
ranap_bcd_decode(imsi, sizeof(imsi),
|
||||
ranap_msg->msg.pagingIEs.permanentNAS_UE_ID.choice.iMSI.buf,
|
||||
ranap_msg->msg.pagingIEs.permanentNAS_UE_ID.choice.iMSI.size);
|
||||
} else imsi[0] = '\0';
|
||||
|
||||
printf("rx Paging: presence=%hx domain=%ld IMSI=%s\n",
|
||||
ranap_msg->msg.pagingIEs.presenceMask,
|
||||
ranap_msg->msg.pagingIEs.cN_DomainIndicator,
|
||||
imsi
|
||||
);
|
||||
|
||||
hnb_rx_paging(hnb, imsi);
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,42 @@
|
|||
#include <asn1c/ANY.h>
|
||||
|
||||
#include <osmocom/rua/rua_ies_defs.h>
|
||||
#include <osmocom/ranap/ranap_common_cn.h>
|
||||
|
||||
#include <osmocom/hnodeb/rua.h>
|
||||
#include <osmocom/hnodeb/ranap.h>
|
||||
|
||||
|
||||
void hnb_rua_dt_handle(struct hnb *hnb, ANY_t *in)
|
||||
{
|
||||
RUA_DirectTransferIEs_t ies;
|
||||
int rc;
|
||||
|
||||
rc = rua_decode_directtransferies(&ies, in);
|
||||
if (rc < 0) {
|
||||
printf("failed to decode RUA DT IEs\n");
|
||||
return;
|
||||
}
|
||||
|
||||
rc = ranap_cn_rx_co(hnb_rua_dt_handle_ranap, hnb, ies.ranaP_Message.buf, ies.ranaP_Message.size);
|
||||
|
||||
/* FIXME: what to do with the asn1c-allocated memory */
|
||||
rua_free_directtransferies(&ies);
|
||||
}
|
||||
|
||||
void hnb_rua_cl_handle(struct hnb *hnb, ANY_t *in)
|
||||
{
|
||||
RUA_ConnectionlessTransferIEs_t ies;
|
||||
int rc;
|
||||
|
||||
rc = rua_decode_connectionlesstransferies(&ies, in);
|
||||
if (rc < 0) {
|
||||
printf("failed to decode RUA CL IEs\n");
|
||||
return;
|
||||
}
|
||||
|
||||
rc = ranap_cn_rx_cl(hnb_rua_cl_handle_ranap, hnb, ies.ranaP_Message.buf, ies.ranaP_Message.size);
|
||||
|
||||
/* FIXME: what to do with the asn1c-allocated memory */
|
||||
rua_free_connectionlesstransferies(&ies);
|
||||
}
|
||||
Loading…
Reference in New Issue