354 lines
8.3 KiB
C
354 lines
8.3 KiB
C
/*
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* (C) 2010 by Harald Welte <laforge@gnumonks.org>
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* (C) 2010 by On-Waves
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* All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <osmocom/core/talloc.h>
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#include <osmocom/core/utils.h>
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#include <osmocom/core/rate_ctr.h>
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#include <openbsc/debug.h>
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#include <openbsc/sgsn.h>
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#include <osmocom/gprs/gprs_ns.h>
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#include <openbsc/gprs_sgsn.h>
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#include <openbsc/vty.h>
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#include <openbsc/gsm_04_08_gprs.h>
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#include <osmocom/vty/command.h>
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#include <osmocom/vty/vty.h>
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#include <osmocom/vty/misc.h>
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#include <pdp.h>
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static struct sgsn_config *g_cfg = NULL;
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#define GSM48_MAX_APN_LEN 102 /* 10.5.6.1 */
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static char *gprs_apn2str(uint8_t *apn, unsigned int len)
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{
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static char apnbuf[GSM48_MAX_APN_LEN+1];
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unsigned int i = 0;
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if (!apn)
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return "";
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if (len > sizeof(apnbuf)-1)
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len = sizeof(apnbuf)-1;
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memcpy(apnbuf, apn, len);
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apnbuf[len] = '\0';
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/* replace the domain name step sizes with dots */
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while (i < len) {
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unsigned int step = apnbuf[i];
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apnbuf[i] = '.';
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i += step+1;
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}
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return apnbuf+1;
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}
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static char *gprs_pdpaddr2str(uint8_t *pdpa, uint8_t len)
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{
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static char str[INET6_ADDRSTRLEN + 10];
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if (!pdpa || len < 2)
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return "none";
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switch (pdpa[0] & 0x0f) {
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case PDP_TYPE_ORG_IETF:
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switch (pdpa[1]) {
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case PDP_TYPE_N_IETF_IPv4:
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if (len < 2 + 4)
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break;
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strcpy(str, "IPv4 ");
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inet_ntop(AF_INET, pdpa+2, str+5, sizeof(str)-5);
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return str;
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case PDP_TYPE_N_IETF_IPv6:
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if (len < 2 + 8)
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break;
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strcpy(str, "IPv6 ");
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inet_ntop(AF_INET6, pdpa+2, str+5, sizeof(str)-5);
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return str;
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default:
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break;
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}
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break;
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case PDP_TYPE_ORG_ETSI:
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if (pdpa[1] == PDP_TYPE_N_ETSI_PPP)
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return "PPP";
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break;
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default:
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break;
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}
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return "invalid";
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}
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static struct cmd_node sgsn_node = {
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SGSN_NODE,
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"%s(config-sgsn)# ",
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1,
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};
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static int config_write_sgsn(struct vty *vty)
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{
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struct sgsn_ggsn_ctx *gctx;
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vty_out(vty, "sgsn%s", VTY_NEWLINE);
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vty_out(vty, " gtp local-ip %s%s",
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inet_ntoa(g_cfg->gtp_listenaddr.sin_addr), VTY_NEWLINE);
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llist_for_each_entry(gctx, &sgsn_ggsn_ctxts, list) {
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vty_out(vty, " ggsn %u remote-ip %s%s", gctx->id,
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inet_ntoa(gctx->remote_addr), VTY_NEWLINE);
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vty_out(vty, " ggsn %u gtp-version %u%s", gctx->id,
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gctx->gtp_version, VTY_NEWLINE);
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}
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return CMD_SUCCESS;
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}
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#define SGSN_STR "Configure the SGSN\n"
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#define GGSN_STR "Configure the GGSN information\n"
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DEFUN(cfg_sgsn, cfg_sgsn_cmd,
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"sgsn",
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SGSN_STR)
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{
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vty->node = SGSN_NODE;
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return CMD_SUCCESS;
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}
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DEFUN(cfg_sgsn_bind_addr, cfg_sgsn_bind_addr_cmd,
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"gtp local-ip A.B.C.D",
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"GTP Parameters\n"
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"Set the IP address for the local GTP bind\n"
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"IPv4 Address\n")
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{
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inet_aton(argv[0], &g_cfg->gtp_listenaddr.sin_addr);
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return CMD_SUCCESS;
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}
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DEFUN(cfg_ggsn_remote_ip, cfg_ggsn_remote_ip_cmd,
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"ggsn <0-255> remote-ip A.B.C.D",
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GGSN_STR "GGSN Number\n" IP_STR "IPv4 Address\n")
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{
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uint32_t id = atoi(argv[0]);
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struct sgsn_ggsn_ctx *ggc = sgsn_ggsn_ctx_find_alloc(id);
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inet_aton(argv[1], &ggc->remote_addr);
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return CMD_SUCCESS;
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}
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#if 0
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DEFUN(cfg_ggsn_remote_port, cfg_ggsn_remote_port_cmd,
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"ggsn <0-255> remote-port <0-65535>",
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"")
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{
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uint32_t id = atoi(argv[0]);
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struct sgsn_ggsn_ctx *ggc = sgsn_ggsn_ctx_find_alloc(id);
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uint16_t port = atoi(argv[1]);
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}
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#endif
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DEFUN(cfg_ggsn_gtp_version, cfg_ggsn_gtp_version_cmd,
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"ggsn <0-255> gtp-version (0|1)",
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GGSN_STR "GGSN Number\n" "GTP Version\n"
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"Version 0\n" "Version 1\n")
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{
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uint32_t id = atoi(argv[0]);
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struct sgsn_ggsn_ctx *ggc = sgsn_ggsn_ctx_find_alloc(id);
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if (atoi(argv[1]))
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ggc->gtp_version = 1;
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else
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ggc->gtp_version = 0;
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return CMD_SUCCESS;
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}
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#if 0
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DEFUN(cfg_apn_ggsn, cfg_apn_ggsn_cmd,
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"apn APNAME ggsn <0-255>",
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"")
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{
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struct apn_ctx **
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}
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#endif
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const struct value_string gprs_mm_st_strs[] = {
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{ GMM_DEREGISTERED, "DEREGISTERED" },
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{ GMM_COMMON_PROC_INIT, "COMMON PROCEDURE (INIT)" },
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{ GMM_REGISTERED_NORMAL, "REGISTERED (NORMAL)" },
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{ GMM_REGISTERED_SUSPENDED, "REGISTERED (SUSPENDED)" },
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{ GMM_DEREGISTERED_INIT, "DEREGISTERED (INIT)" },
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{ 0, NULL }
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};
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static void vty_dump_pdp(struct vty *vty, const char *pfx,
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struct sgsn_pdp_ctx *pdp)
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{
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vty_out(vty, "%sPDP Context IMSI: %s, SAPI: %u, NSAPI: %u%s",
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pfx, pdp->mm->imsi, pdp->sapi, pdp->nsapi, VTY_NEWLINE);
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vty_out(vty, "%s APN: %s%s", pfx,
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gprs_apn2str(pdp->lib->apn_use.v, pdp->lib->apn_use.l),
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VTY_NEWLINE);
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vty_out(vty, "%s PDP Address: %s%s", pfx,
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gprs_pdpaddr2str(pdp->lib->eua.v, pdp->lib->eua.l),
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VTY_NEWLINE);
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vty_out_rate_ctr_group(vty, " ", pdp->ctrg);
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}
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static void vty_dump_mmctx(struct vty *vty, const char *pfx,
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struct sgsn_mm_ctx *mm, int pdp)
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{
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vty_out(vty, "%sMM Context for IMSI %s, IMEI %s, P-TMSI %08x%s",
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pfx, mm->imsi, mm->imei, mm->p_tmsi, VTY_NEWLINE);
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vty_out(vty, "%s MSISDN: %s, TLLI: %08x%s", pfx, mm->msisdn,
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mm->tlli, VTY_NEWLINE);
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vty_out(vty, "%s MM State: %s, Routeing Area: %u-%u-%u-%u, "
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"Cell ID: %u%s", pfx,
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get_value_string(gprs_mm_st_strs, mm->mm_state),
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mm->ra.mcc, mm->ra.mnc, mm->ra.lac, mm->ra.rac,
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mm->cell_id, VTY_NEWLINE);
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vty_out_rate_ctr_group(vty, " ", mm->ctrg);
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if (pdp) {
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struct sgsn_pdp_ctx *pdp;
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llist_for_each_entry(pdp, &mm->pdp_list, list)
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vty_dump_pdp(vty, " ", pdp);
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}
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}
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DEFUN(show_sgsn, show_sgsn_cmd, "show sgsn",
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SHOW_STR "Display information about the SGSN")
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{
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/* FIXME: statistics */
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return CMD_SUCCESS;
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}
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#define MMCTX_STR "MM Context\n"
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#define INCLUDE_PDP_STR "Include PDP Context Information\n"
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#if 0
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DEFUN(show_mmctx_tlli, show_mmctx_tlli_cmd,
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"show mm-context tlli HEX [pdp]",
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SHOW_STR MMCTX_STR "Identify by TLLI\n" "TLLI\n" INCLUDE_PDP_STR)
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{
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uint32_t tlli;
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struct sgsn_mm_ctx *mm;
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tlli = strtoul(argv[0], NULL, 16);
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mm = sgsn_mm_ctx_by_tlli(tlli);
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if (!mm) {
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vty_out(vty, "No MM context for TLLI %08x%s",
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tlli, VTY_NEWLINE);
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return CMD_WARNING;
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}
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vty_dump_mmctx(vty, "", mm, argv[1] ? 1 : 0);
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return CMD_SUCCESS;
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}
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#endif
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DEFUN(swow_mmctx_imsi, show_mmctx_imsi_cmd,
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"show mm-context imsi IMSI [pdp]",
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SHOW_STR MMCTX_STR "Identify by IMSI\n" "IMSI of the MM Context\n"
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INCLUDE_PDP_STR)
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{
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struct sgsn_mm_ctx *mm;
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mm = sgsn_mm_ctx_by_imsi(argv[0]);
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if (!mm) {
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vty_out(vty, "No MM context for IMSI %s%s",
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argv[0], VTY_NEWLINE);
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return CMD_WARNING;
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}
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vty_dump_mmctx(vty, "", mm, argv[1] ? 1 : 0);
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return CMD_SUCCESS;
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}
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DEFUN(swow_mmctx_all, show_mmctx_all_cmd,
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"show mm-context all [pdp]",
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SHOW_STR MMCTX_STR "All MM Contexts\n" INCLUDE_PDP_STR)
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{
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struct sgsn_mm_ctx *mm;
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llist_for_each_entry(mm, &sgsn_mm_ctxts, list)
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vty_dump_mmctx(vty, "", mm, argv[0] ? 1 : 0);
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return CMD_SUCCESS;
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}
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DEFUN(show_pdpctx_all, show_pdpctx_all_cmd,
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"show pdp-context all",
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SHOW_STR "Display information on PDP Context\n" "Show everything\n")
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{
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struct sgsn_pdp_ctx *pdp;
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llist_for_each_entry(pdp, &sgsn_pdp_ctxts, g_list)
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vty_dump_pdp(vty, "", pdp);
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return CMD_SUCCESS;
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}
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int sgsn_vty_init(void)
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{
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install_element_ve(&show_sgsn_cmd);
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//install_element_ve(&show_mmctx_tlli_cmd);
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install_element_ve(&show_mmctx_imsi_cmd);
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install_element_ve(&show_mmctx_all_cmd);
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install_element_ve(&show_pdpctx_all_cmd);
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install_element(CONFIG_NODE, &cfg_sgsn_cmd);
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install_node(&sgsn_node, config_write_sgsn);
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install_default(SGSN_NODE);
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install_element(SGSN_NODE, &ournode_exit_cmd);
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install_element(SGSN_NODE, &ournode_end_cmd);
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install_element(SGSN_NODE, &cfg_sgsn_bind_addr_cmd);
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install_element(SGSN_NODE, &cfg_ggsn_remote_ip_cmd);
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//install_element(SGSN_NODE, &cfg_ggsn_remote_port_cmd);
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install_element(SGSN_NODE, &cfg_ggsn_gtp_version_cmd);
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return 0;
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}
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int sgsn_parse_config(const char *config_file, struct sgsn_config *cfg)
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{
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int rc;
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g_cfg = cfg;
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rc = vty_read_config_file(config_file, NULL);
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if (rc < 0) {
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fprintf(stderr, "Failed to parse the config file: '%s'\n", config_file);
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return rc;
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}
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return 0;
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}
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