1 files changed, 228 insertions, 0 deletions
diff --git a/openbsc/src/nat/bsc_nat_vty.c b/openbsc/src/nat/bsc_nat_vty.c
new file mode 100644
index 000000000..4c60a19f7
--- /dev/null
+++ b/openbsc/src/nat/bsc_nat_vty.c
@@ -0,0 +1,228 @@
+/* OpenBSC NAT interface to quagga VTY */
+/* (C) 2010 by Holger Hans Peter Freyther
+ * (C) 2010 by On-Waves
+ * All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ */
+
+#include <vty/command.h>
+#include <vty/buffer.h>
+#include <vty/vty.h>
+
+#include <openbsc/bsc_nat.h>
+#include <openbsc/gsm_04_08.h>
+#include <openbsc/mgcp.h>
+#include <openbsc/vty.h>
+
+#include <osmocore/talloc.h>
+
+#include <sccp/sccp.h>
+
+#include <stdlib.h>
+
+static struct bsc_nat *_nat;
+
+static struct cmd_node nat_node = {
+	NAT_NODE,
+	"%s(nat)#",
+	1,
+};
+
+static struct cmd_node bsc_node = {
+	BSC_NODE,
+	"%s(bsc)#",
+	1,
+};
+
+static int config_write_nat(struct vty *vty)
+{
+	vty_out(vty, "nat%s", VTY_NEWLINE);
+	return CMD_SUCCESS;
+}
+
+static void config_write_bsc_single(struct vty *vty, struct bsc_config *bsc)
+{
+	vty_out(vty, " bsc %u%s", bsc->nr, VTY_NEWLINE);
+	vty_out(vty, "  token %s%s", bsc->token, VTY_NEWLINE);
+	vty_out(vty, "  lac %u%s", bsc->lac, VTY_NEWLINE);
+}
+
+static int config_write_bsc(struct vty *vty)
+{
+	struct bsc_config *bsc;
+
+	llist_for_each_entry(bsc, &_nat->bsc_configs, entry)
+		config_write_bsc_single(vty, bsc);
+	return CMD_SUCCESS;
+}
+
+
+DEFUN(show_sccp, show_sccp_cmd, "show connections sccp",
+      SHOW_STR "Display information about current SCCP connections")
+{
+	struct sccp_connections *con;
+	llist_for_each_entry(con, &_nat->sccp_connections, list_entry) {
+		vty_out(vty, "SCCP for BSC: Nr: %d lac: %d BSC ref: 0x%x Local ref: 0x%x MSC/BSC mux: 0x%x/0x%x%s",
+			con->bsc->cfg ? con->bsc->cfg->nr : -1,
+			con->bsc->cfg ? con->bsc->cfg->lac : -1,
+			sccp_src_ref_to_int(&con->real_ref),
+			sccp_src_ref_to_int(&con->patched_ref),
+			con->msc_timeslot, con->bsc_timeslot,
+			VTY_NEWLINE);
+	}
+
+	return CMD_SUCCESS;
+}
+
+DEFUN(show_bsc, show_bsc_cmd, "show connections bsc",
+      SHOW_STR "Display information about current BSCs")
+{
+	struct bsc_connection *con;
+	llist_for_each_entry(con, &_nat->bsc_connections, list_entry) {
+		vty_out(vty, "BSC lac: %d, %d auth: %d fd: %d%s",
+			con->cfg ? con->cfg->nr : -1,
+			con->cfg ? con->cfg->lac : -1,
+			con->authenticated, con->write_queue.bfd.fd, VTY_NEWLINE);
+	}
+
+	return CMD_SUCCESS;
+}
+
+DEFUN(show_bsc_cfg, show_bsc_cfg_cmd, "show bsc config",
+      SHOW_STR "Display information about known BSC configs")
+{
+	struct bsc_config *conf;
+	llist_for_each_entry(conf, &_nat->bsc_configs, entry) {
+		vty_out(vty, "BSC token: '%s' lac: %u nr: %u%s",
+			conf->token, conf->lac, conf->nr, VTY_NEWLINE);
+	}
+
+	return CMD_SUCCESS;
+}
+
+
+DEFUN(cfg_nat, cfg_nat_cmd, "nat", "Configute the NAT")
+{
+	vty->index = _nat;
+	vty->node = NAT_NODE;
+
+	return CMD_SUCCESS;
+}
+
+/* per BSC configuration */
+DEFUN(cfg_bsc, cfg_bsc_cmd, "bsc BSC_NR", "Select a BSC to configure\n")
+{
+	int bsc_nr = atoi(argv[0]);
+	struct bsc_config *bsc;
+
+	if (bsc_nr > _nat->num_bsc) {
+		vty_out(vty, "%% The next unused BSC number is %u%s",
+			_nat->num_bsc, VTY_NEWLINE);
+		return CMD_WARNING;
+	} else if (bsc_nr == _nat->num_bsc) {
+		/* allocate a new one */
+		bsc = bsc_config_alloc(_nat, "unknown", 0);
+	} else
+		bsc = bsc_config_num(_nat, bsc_nr);
+
+	if (!bsc)
+		return CMD_WARNING;
+
+	vty->index = bsc;
+	vty->node = BSC_NODE;
+
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_bsc_token, cfg_bsc_token_cmd, "token TOKEN", "Set the token")
+{
+	struct bsc_config *conf = vty->index;
+
+	if (conf->token)
+	    talloc_free(conf->token);
+	conf->token = talloc_strdup(conf, argv[0]);
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_bsc_lac, cfg_bsc_lac_cmd, "location_area_code <0-65535>",
+      "Set the Location Area Code (LAC) of this BSC\n")
+{
+	struct bsc_config *tmp;
+	struct bsc_config *conf = vty->index;
+
+	int lac = atoi(argv[0]);
+
+	if (lac < 0 || lac > 0xffff) {
+		vty_out(vty, "%% LAC %d is not in the valid range (0-65535)%s",
+			lac, VTY_NEWLINE);
+		return CMD_WARNING;
+	}
+
+	if (lac == GSM_LAC_RESERVED_DETACHED || lac == GSM_LAC_RESERVED_ALL_BTS) {
+		vty_out(vty, "%% LAC %d is reserved by GSM 04.08%s",
+			lac, VTY_NEWLINE);
+		return CMD_WARNING;
+	}
+
+	/* verify that the LACs are unique */
+	llist_for_each_entry(tmp, &_nat->bsc_configs, entry) {
+		if (tmp->lac == lac) {
+			vty_out(vty, "%% LAC %d is already used.%s", lac, VTY_NEWLINE);
+			return CMD_ERR_INCOMPLETE;
+		}
+	}
+
+	conf->lac = lac;
+
+	return CMD_SUCCESS;
+}
+
+int bsc_nat_vty_init(struct bsc_nat *nat)
+{
+	_nat = nat;
+
+	cmd_init(1);
+	vty_init();
+
+	/* show commands */
+	install_element(VIEW_NODE, &show_sccp_cmd);
+	install_element(VIEW_NODE, &show_bsc_cmd);
+	install_element(VIEW_NODE, &show_bsc_cfg_cmd);
+
+	openbsc_vty_add_cmds();
+
+	/* nat group */
+	install_element(CONFIG_NODE, &cfg_nat_cmd);
+	install_node(&nat_node, config_write_nat);
+	install_default(NAT_NODE);
+
+	/* BSC subgroups */
+	install_element(NAT_NODE, &cfg_bsc_cmd);
+	install_node(&bsc_node, config_write_bsc);
+	install_default(BSC_NODE);
+	install_element(BSC_NODE, &cfg_bsc_token_cmd);
+	install_element(BSC_NODE, &cfg_bsc_lac_cmd);
+
+	mgcp_vty_init();
+
+	return 0;
+}
+
+
+/* called by the telnet interface... we have our own init above */
+void bsc_vty_init()
+{}