diff --git a/openbsc/src/Makefile.am b/openbsc/src/Makefile.am
index 9420071..bd9be8c 100644
--- a/openbsc/src/Makefile.am
+++ b/openbsc/src/Makefile.am
@@ -1,5 +1,5 @@
 INCLUDES = $(all_includes) -I$(top_srcdir)/include -I$(top_builddir)
-AM_CFLAGS=-Wall $(LIBOSMOCORE_CFLAGS)
+AM_CFLAGS=-Wall $(LIBOSMOCORE_CFLAGS) $(LIBOSMOVTY_CFLAGS)
 AM_LDFLAGS = $(LIBOSMOCORE_LIBS)
 
 # build current directory before building gprs
@@ -25,14 +25,13 @@
 		token_auth.c rrlp.c gsm_04_80.c ussd.c silent_call.c \
 		handover_logic.c handover_decision.c meas_rep.c
 
-libvty_a_SOURCES = vty/buffer.c vty/command.c vty/vector.c vty/vty.c \
-		telnet_interface.c vty/utils.c common_vty.c \
-		logging_vty.c
+libvty_a_SOURCES = common_vty.c
 
 libsccp_a_SOURCES = sccp/sccp.c
 
 bsc_hack_SOURCES = bsc_hack.c bsc_init.c bsc_vty.c vty_interface_layer3.c
-bsc_hack_LDADD = libmsc.a libbsc.a libmsc.a libvty.a -ldl -ldbi $(LIBCRYPT)
+bsc_hack_LDADD = libmsc.a libbsc.a libvty.a libmsc.a \
+		-ldl -ldbi $(LIBCRYPT) $(LIBOSMOVTY_LIBS)
 
 bs11_config_SOURCES = bs11_config.c abis_nm.c gsm_data.c debug.c \
 		      rs232.c bts_siemens_bs11.c
@@ -41,4 +40,4 @@
 
 bsc_mgcp_SOURCES = mgcp/mgcp_main.c mgcp/mgcp_protocol.c mgcp/mgcp_network.c mgcp/mgcp_vty.c \
 		   debug.c
-bsc_mgcp_LDADD = libvty.a
+bsc_mgcp_LDADD = libvty.a $(LIBOSMOVTY_LIBS)
diff --git a/openbsc/src/bsc_hack.c b/openbsc/src/bsc_hack.c
index fa058aa..739d7a5 100644
--- a/openbsc/src/bsc_hack.c
+++ b/openbsc/src/bsc_hack.c
@@ -37,7 +37,7 @@
 #include <osmocore/talloc.h>
 #include <openbsc/signal.h>
 
-#include <vty/command.h>
+#include <osmocom/vty/command.h>
 
 #include "../bscconfig.h"
 
diff --git a/openbsc/src/bsc_init.c b/openbsc/src/bsc_init.c
index 424a268..fa4d858 100644
--- a/openbsc/src/bsc_init.c
+++ b/openbsc/src/bsc_init.c
@@ -27,7 +27,7 @@
 #include <openbsc/abis_nm.h>
 #include <openbsc/debug.h>
 #include <openbsc/misdn.h>
-#include <openbsc/telnet_interface.h>
+#include <osmocom/vty/telnet_interface.h>
 #include <openbsc/system_information.h>
 #include <openbsc/paging.h>
 #include <openbsc/signal.h>
diff --git a/openbsc/src/bsc_vty.c b/openbsc/src/bsc_vty.c
index 5a89af0..ad49bd5 100644
--- a/openbsc/src/bsc_vty.c
+++ b/openbsc/src/bsc_vty.c
@@ -22,9 +22,11 @@
 #include <unistd.h>
 #include <sys/types.h>
 
-#include <vty/command.h>
-#include <vty/buffer.h>
-#include <vty/vty.h>
+#include <osmocom/vty/command.h>
+#include <osmocom/vty/buffer.h>
+#include <osmocom/vty/vty.h>
+#include <osmocom/vty/logging.h>
+#include <osmocom/vty/telnet_interface.h>
 
 #include <arpa/inet.h>
 
@@ -37,7 +39,6 @@
 #include <openbsc/meas_rep.h>
 #include <openbsc/db.h>
 #include <osmocore/talloc.h>
-#include <openbsc/telnet_interface.h>
 #include <openbsc/vty.h>
 #include <openbsc/gprs_ns.h>
 #include <openbsc/debug.h>
diff --git a/openbsc/src/common_vty.c b/openbsc/src/common_vty.c
index 4f18a74..eb0d29e 100644
--- a/openbsc/src/common_vty.c
+++ b/openbsc/src/common_vty.c
@@ -25,15 +25,59 @@
 #include <osmocore/talloc.h>
 
 #include <openbsc/vty.h>
-#include <openbsc/telnet_interface.h>
 #include <openbsc/gsm_data.h>
 #include <openbsc/debug.h>
+#include <openbsc/gsm_subscriber.h>
 
-#include <vty/command.h>
-#include <vty/buffer.h>
-#include <vty/vty.h>
+#include <osmocom/vty/telnet_interface.h>
+#include <osmocom/vty/command.h>
+#include <osmocom/vty/buffer.h>
+#include <osmocom/vty/vty.h>
 
 
+int bsc_vty_go_parent(struct vty *vty)
+{
+	switch (vty->node) {
+	case GSMNET_NODE:
+		vty->node = CONFIG_NODE;
+		vty->index = NULL;
+		break;
+	case BTS_NODE:
+		vty->node = GSMNET_NODE;
+		{
+			/* set vty->index correctly ! */
+			struct gsm_bts *bts = vty->index;
+			vty->index = bts->network;
+		}
+		break;
+	case TRX_NODE:
+		vty->node = BTS_NODE;
+		{
+			/* set vty->index correctly ! */
+			struct gsm_bts_trx *trx = vty->index;
+			vty->index = trx->bts;
+		}
+		break;
+	case TS_NODE:
+		vty->node = TRX_NODE;
+		{
+			/* set vty->index correctly ! */
+			struct gsm_bts_trx_ts *ts = vty->index;
+			vty->index = ts->trx;
+		}
+		break;
+	case SUBSCR_NODE:
+		vty->node = VIEW_NODE;
+		subscr_put(vty->index);
+		vty->index = NULL;
+		break;
+	default:
+		vty->node = CONFIG_NODE;
+	}
+
+	return vty->node;
+}
+
 /* Down vty node level. */
 gDEFUN(ournode_exit,
        ournode_exit_cmd, "exit", "Exit current mode and down to previous mode\n")
diff --git a/openbsc/src/gprs/Makefile.am b/openbsc/src/gprs/Makefile.am
index 191f619..11b2ac9 100644
--- a/openbsc/src/gprs/Makefile.am
+++ b/openbsc/src/gprs/Makefile.am
@@ -1,6 +1,6 @@
 INCLUDES = $(all_includes) -I$(top_srcdir)/include -I$(top_builddir)
-AM_CFLAGS=-Wall $(LIBOSMOCORE_CFLAGS) -fno-strict-aliasing
-AM_LDFLAGS = $(LIBOSMOCORE_LIBS)
+AM_CFLAGS=-Wall -fno-strict-aliasing $(LIBOSMOCORE_CFLAGS) $(LIBOSMOVTY_CFLAGS)
+AM_LDFLAGS = $(LIBOSMOCORE_LIBS) $(LIBOSMOVTY_LIBS)
 
 noinst_LIBRARIES = libgb.a
 
diff --git a/openbsc/src/gprs/gb_proxy.c b/openbsc/src/gprs/gb_proxy.c
index 26c9e4f..b6fbac7 100644
--- a/openbsc/src/gprs/gb_proxy.c
+++ b/openbsc/src/gprs/gb_proxy.c
@@ -567,7 +567,7 @@
 }
 
 
-#include <vty/command.h>
+#include <osmocom/vty/command.h>
 
 gDEFUN(show_gbproxy, show_gbproxy_cmd, "show gbproxy",
        SHOW_STR "Display information about the Gb proxy")
diff --git a/openbsc/src/gprs/gb_proxy_main.c b/openbsc/src/gprs/gb_proxy_main.c
index 71d6086..208ae47 100644
--- a/openbsc/src/gprs/gb_proxy_main.c
+++ b/openbsc/src/gprs/gb_proxy_main.c
@@ -42,11 +42,11 @@
 #include <openbsc/debug.h>
 #include <openbsc/gprs_ns.h>
 #include <openbsc/gprs_bssgp.h>
-#include <openbsc/telnet_interface.h>
 #include <openbsc/vty.h>
 #include <openbsc/gb_proxy.h>
 
-#include <vty/command.h>
+#include <osmocom/vty/command.h>
+#include <osmocom/vty/telnet_interface.h>
 
 #include "../../bscconfig.h"
 
diff --git a/openbsc/src/gprs/gb_proxy_vty.c b/openbsc/src/gprs/gb_proxy_vty.c
index 738adcf..7b6d2da 100644
--- a/openbsc/src/gprs/gb_proxy_vty.c
+++ b/openbsc/src/gprs/gb_proxy_vty.c
@@ -31,8 +31,8 @@
 #include <openbsc/gprs_ns.h>
 #include <openbsc/vty.h>
 
-#include <vty/command.h>
-#include <vty/vty.h>
+#include <osmocom/vty/command.h>
+#include <osmocom/vty/vty.h>
 
 static struct gbproxy_config *g_cfg = NULL;
 
diff --git a/openbsc/src/gprs/gprs_bssgp_vty.c b/openbsc/src/gprs/gprs_bssgp_vty.c
index 8377c56..9da02ab 100644
--- a/openbsc/src/gprs/gprs_bssgp_vty.c
+++ b/openbsc/src/gprs/gprs_bssgp_vty.c
@@ -37,11 +37,12 @@
 #include <openbsc/signal.h>
 #include <openbsc/gprs_ns.h>
 #include <openbsc/gprs_bssgp.h>
-#include <openbsc/telnet_interface.h>
 #include <openbsc/vty.h>
 
-#include <vty/vty.h>
-#include <vty/command.h>
+#include <osmocom/vty/vty.h>
+#include <osmocom/vty/command.h>
+#include <osmocom/vty/logging.h>
+#include <osmocom/vty/telnet_interface.h>
 
 /* FIXME: this should go to some common file as it is copied
  * in vty_interface.c of the BSC */
diff --git a/openbsc/src/gprs/gprs_llc_vty.c b/openbsc/src/gprs/gprs_llc_vty.c
index 510ef64..9c7f556 100644
--- a/openbsc/src/gprs/gprs_llc_vty.c
+++ b/openbsc/src/gprs/gprs_llc_vty.c
@@ -37,8 +37,8 @@
 #include <openbsc/signal.h>
 #include <openbsc/gprs_llc.h>
 
-#include <vty/vty.h>
-#include <vty/command.h>
+#include <osmocom/vty/vty.h>
+#include <osmocom/vty/command.h>
 
 struct value_string gprs_llc_state_strs[] = {
 	{ GPRS_LLS_UNASSIGNED, 		"TLLI Unassigned" },
diff --git a/openbsc/src/gprs/gprs_ns_vty.c b/openbsc/src/gprs/gprs_ns_vty.c
index 423ac20..81346c6 100644
--- a/openbsc/src/gprs/gprs_ns_vty.c
+++ b/openbsc/src/gprs/gprs_ns_vty.c
@@ -37,11 +37,12 @@
 #include <openbsc/signal.h>
 #include <openbsc/gprs_ns.h>
 #include <openbsc/gprs_bssgp.h>
-#include <openbsc/telnet_interface.h>
 #include <openbsc/vty.h>
 
-#include <vty/vty.h>
-#include <vty/command.h>
+#include <osmocom/vty/vty.h>
+#include <osmocom/vty/command.h>
+#include <osmocom/vty/logging.h>
+#include <osmocom/vty/telnet_interface.h>
 
 static struct gprs_ns_inst *vty_nsi = NULL;
 
diff --git a/openbsc/src/gprs/osmo_sgsn.cfg b/openbsc/src/gprs/osmo_sgsn.cfg
index d3d4bb2..298d2d6 100644
--- a/openbsc/src/gprs/osmo_sgsn.cfg
+++ b/openbsc/src/gprs/osmo_sgsn.cfg
@@ -6,10 +6,12 @@
  no login
 !
 sgsn
-  ggsn 0 remote-ip 192.168.100.239
+  ggsn 0 remote-ip 127.0.0.1
   ggsn 0 gtp-version 1
 ns
+ encapsulation udp local-ip 192.168.100.239
  encapsulation udp local-port 23000
+ encapsulation framerelay-gre enabled 1
  timer tns-block 3
  timer tns-block-retries 3
  timer tns-reset 3
diff --git a/openbsc/src/gprs/sgsn_main.c b/openbsc/src/gprs/sgsn_main.c
index 7c5afe5..4ed4980 100644
--- a/openbsc/src/gprs/sgsn_main.c
+++ b/openbsc/src/gprs/sgsn_main.c
@@ -38,9 +38,10 @@
 #include <osmocore/select.h>
 #include <osmocore/rate_ctr.h>
 
+#include <osmocom/vty/telnet_interface.h>
+
 #include <openbsc/signal.h>
 #include <openbsc/debug.h>
-#include <openbsc/telnet_interface.h>
 #include <openbsc/vty.h>
 #include <openbsc/sgsn.h>
 #include <openbsc/gprs_ns.h>
diff --git a/openbsc/src/gprs/sgsn_vty.c b/openbsc/src/gprs/sgsn_vty.c
index 2532a88..34dd8c6 100644
--- a/openbsc/src/gprs/sgsn_vty.c
+++ b/openbsc/src/gprs/sgsn_vty.c
@@ -34,8 +34,8 @@
 #include <openbsc/gprs_sgsn.h>
 #include <openbsc/vty.h>
 
-#include <vty/command.h>
-#include <vty/vty.h>
+#include <osmocom/vty/command.h>
+#include <osmocom/vty/vty.h>
 
 #include <pdp.h>
 
diff --git a/openbsc/src/logging_vty.c b/openbsc/src/logging_vty.c
deleted file mode 100644
index 603975a..0000000
--- a/openbsc/src/logging_vty.c
+++ /dev/null
@@ -1,345 +0,0 @@
-/* OpenBSC logging helper for the VTY */
-/* (C) 2009-2010 by Harald Welte <laforge@gnumonks.org>
- * (C) 2009-2010 by Holger Hans Peter Freyther
- * 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 <stdlib.h>
-#include <string.h>
-
-#include <osmocore/talloc.h>
-
-#include <openbsc/vty.h>
-#include <openbsc/telnet_interface.h>
-#include <openbsc/gsm_data.h>
-#include <openbsc/debug.h>
-
-#include <vty/command.h>
-#include <vty/buffer.h>
-#include <vty/vty.h>
-
-static void _vty_output(struct log_target *tgt, const char *line)
-{
-	struct vty *vty = tgt->tgt_vty.vty;
-	vty_out(vty, "%s", line);
-	/* This is an ugly hack, but there is no easy way... */
-	if (strchr(line, '\n'))
-		vty_out(vty, "\r");
-}
-
-struct log_target *log_target_create_vty(struct vty *vty)
-{
-	struct log_target *target;
-
-	target = log_target_create();
-	if (!target)
-		return NULL;
-
-	target->tgt_vty.vty = vty;
-	target->output = _vty_output;
-	return target;
-}
-
-DEFUN(enable_logging,
-      enable_logging_cmd,
-      "logging enable",
-	LOGGING_STR
-      "Enables logging to this vty\n")
-{
-	struct telnet_connection *conn;
-
-	conn = (struct telnet_connection *) vty->priv;
-	if (conn->dbg) {
-		vty_out(vty, "Logging already enabled.%s", VTY_NEWLINE);
-		return CMD_WARNING;
-	}
-
-	conn->dbg = log_target_create_vty(vty);
-	if (!conn->dbg)
-		return CMD_WARNING;
-
-	log_add_target(conn->dbg);
-	return CMD_SUCCESS;
-}
-
-DEFUN(logging_fltr_all,
-      logging_fltr_all_cmd,
-      "logging filter all (0|1)",
-	LOGGING_STR FILTER_STR
-	"Do you want to log all messages?\n"
-	"Only print messages matched by other filters\n"
-	"Bypass filter and print all messages\n")
-{
-	struct telnet_connection *conn;
-
-	conn = (struct telnet_connection *) vty->priv;
-	if (!conn->dbg) {
-		vty_out(vty, "Logging was not enabled.%s", VTY_NEWLINE);
-		return CMD_WARNING;
-	}
-
-	log_set_all_filter(conn->dbg, atoi(argv[0]));
-	return CMD_SUCCESS;
-}
-
-DEFUN(logging_use_clr,
-      logging_use_clr_cmd,
-      "logging color (0|1)",
-	LOGGING_STR "Configure color-printing for log messages\n"
-      "Don't use color for printing messages\n"
-      "Use color for printing messages\n")
-{
-	struct telnet_connection *conn;
-
-	conn = (struct telnet_connection *) vty->priv;
-	if (!conn->dbg) {
-		vty_out(vty, "Logging was not enabled.%s", VTY_NEWLINE);
-		return CMD_WARNING;
-	}
-
-	log_set_use_color(conn->dbg, atoi(argv[0]));
-	return CMD_SUCCESS;
-}
-
-DEFUN(logging_prnt_timestamp,
-      logging_prnt_timestamp_cmd,
-      "logging timestamp (0|1)",
-	LOGGING_STR "Configure log message timestamping\n"
-	"Don't prefix each log message\n"
-	"Prefix each log message with current timestamp\n")
-{
-	struct telnet_connection *conn;
-
-	conn = (struct telnet_connection *) vty->priv;
-	if (!conn->dbg) {
-		vty_out(vty, "Logging was not enabled.%s", VTY_NEWLINE);
-		return CMD_WARNING;
-	}
-
-	log_set_print_timestamp(conn->dbg, atoi(argv[0]));
-	return CMD_SUCCESS;
-}
-
-/* FIXME: those have to be kept in sync with the log levels and categories */
-#define VTY_DEBUG_CATEGORIES "(rll|cc|mm|rr|rsl|nm|sms|pag|mncc|inp|mi|mib|mux|meas|sccp|msc|mgcp|ho|db|ref|gprs|ns|bssgp|llc|sndcp|all)"
-#define CATEGORIES_HELP	\
-	"A-bis Radio Link Layer (RLL)\n"			\
-	"Layer3 Call Control (CC)\n"				\
-	"Layer3 Mobility Management (MM)\n"			\
-	"Layer3 Radio Resource (RR)\n"				\
-	"A-bis Radio Signalling Link (RSL)\n"			\
-	"A-bis Network Management / O&M (NM/OML)\n"		\
-	"Layer3 Short Messagaging Service (SMS)\n"		\
-	"Paging Subsystem\n"					\
-	"MNCC API for Call Control application\n"		\
-	"A-bis Input Subsystem\n"				\
-	"A-bis Input Driver for Signalling\n"			\
-	"A-bis Input Driver for B-Channel (voice data)\n"	\
-	"A-bis B-Channel / Sub-channel Multiplexer\n"		\
-	"Radio Measurements\n"					\
-	"SCCP\n"						\
-	"Mobile Switching Center\n"				\
-	"Media Gateway Control Protocol\n"			\
-	"Hand-over\n"						\
-	"Database Layer\n"					\
-	"Reference Counting\n"					\
-	"GPRS Core\n"						\
-	"GPRS Network Service (NS)\n"				\
-	"GPRS BSS Gateway Protocol (BSSGP)\n"			\
-	"GPRS Logical Link Control Protocol (LLC)\n"		\
-	"GPRS Sub-Network Dependent Control Protocol (SNDCP)\n"	\
-	"Global setting for all subsytems\n"
-
-#define VTY_DEBUG_LEVELS "(everything|debug|info|notice|error|fatal)"
-#define LEVELS_HELP	\
-	"Log simply everything\n"				\
-	"Log debug messages and higher levels\n"		\
-	"Log informational messages and higher levels\n"	\
-	"Log noticable messages and higher levels\n"		\
-	"Log error messages and higher levels\n"		\
-	"Log only fatal messages\n"
-DEFUN(logging_level,
-      logging_level_cmd,
-      "logging level " VTY_DEBUG_CATEGORIES " " VTY_DEBUG_LEVELS,
-      LOGGING_STR
-      "Set the log level for a specified category\n"
-      CATEGORIES_HELP
-      LEVELS_HELP)
-{
-	struct telnet_connection *conn;
-	int category = log_parse_category(argv[0]);
-	int level = log_parse_level(argv[1]);
-
-	conn = (struct telnet_connection *) vty->priv;
-	if (!conn->dbg) {
-		vty_out(vty, "Logging was not enabled.%s", VTY_NEWLINE);
-		return CMD_WARNING;
-	}
-
-	if (level < 0) {
-		vty_out(vty, "Invalid level `%s'%s", argv[1], VTY_NEWLINE);
-		return CMD_WARNING;
-	}
-
-	/* Check for special case where we want to set global log level */
-	if (!strcmp(argv[0], "all")) {
-		log_set_log_level(conn->dbg, level);
-		return CMD_SUCCESS;
-	}
-
-	if (category < 0) {
-		vty_out(vty, "Invalid category `%s'%s", argv[0], VTY_NEWLINE);
-		return CMD_WARNING;
-	}
-
-	conn->dbg->categories[category].enabled = 1;
-	conn->dbg->categories[category].loglevel = level;
-
-	return CMD_SUCCESS;
-}
-
-DEFUN(logging_set_category_mask,
-      logging_set_category_mask_cmd,
-      "logging set log mask MASK",
-	LOGGING_STR
-      "Decide which categories to output.\n")
-{
-	struct telnet_connection *conn;
-
-	conn = (struct telnet_connection *) vty->priv;
-	if (!conn->dbg) {
-		vty_out(vty, "Logging was not enabled.%s", VTY_NEWLINE);
-		return CMD_WARNING;
-	}
-
-	log_parse_category_mask(conn->dbg, argv[0]);
-	return CMD_SUCCESS;
-}
-
-DEFUN(diable_logging,
-      disable_logging_cmd,
-      "logging disable",
-	LOGGING_STR
-      "Disables logging to this vty\n")
-{
-	struct telnet_connection *conn;
-
-	conn = (struct telnet_connection *) vty->priv;
-	if (!conn->dbg) {
-		vty_out(vty, "Logging was not enabled.%s", VTY_NEWLINE);
-		return CMD_WARNING;
-	}
-
-	log_del_target(conn->dbg);
-	talloc_free(conn->dbg);
-	conn->dbg = NULL;
-	return CMD_SUCCESS;
-}
-
-static void vty_print_logtarget(struct vty *vty, const struct log_info *info,
-				const struct log_target *tgt)
-{
-	unsigned int i;
-
-	vty_out(vty, " Global Loglevel: %s%s",
-		log_level_str(tgt->loglevel), VTY_NEWLINE);
-	vty_out(vty, " Use color: %s, Print Timestamp: %s%s",
-		tgt->use_color ? "On" : "Off",
-		tgt->print_timestamp ? "On" : "Off", VTY_NEWLINE);
-
-	vty_out(vty, " Log Level specific information:%s", VTY_NEWLINE);
-
-	for (i = 0; i < info->num_cat; i++) {
-		const struct log_category *cat = &tgt->categories[i];
-		vty_out(vty, "  %-10s %-10s %-8s %s%s",
-			info->cat[i].name+1, log_level_str(cat->loglevel),
-			cat->enabled ? "Enabled" : "Disabled",
- 			info->cat[i].description,
-			VTY_NEWLINE);
-	}
-}
-
-#define SHOW_LOG_STR "Show current logging configuration\n"
-
-DEFUN(show_logging_vty,
-      show_logging_vty_cmd,
-      "show logging vty",
-	SHOW_STR SHOW_LOG_STR
-	"Show current logging configuration for this vty\n")
-{
-	struct telnet_connection *conn;
-
-	conn = (struct telnet_connection *) vty->priv;
-	if (!conn->dbg) {
-		vty_out(vty, "Logging was not enabled.%s", VTY_NEWLINE);
-		return CMD_WARNING;
-	}
-	vty_print_logtarget(vty, &log_info, conn->dbg);
-
-	return CMD_SUCCESS;
-}
-
-gDEFUN(cfg_description, cfg_description_cmd,
-	"description .TEXT",
-	"Save human-readable decription of the object\n")
-{
-	char **dptr = vty->index_sub;
-
-	if (!dptr) {
-		vty_out(vty, "vty->index_sub == NULL%s", VTY_NEWLINE);
-		return CMD_WARNING;
-	}
-
-	*dptr = argv_concat(argv, argc, 0);
-	if (!dptr)
-		return CMD_WARNING;
-
-	return CMD_SUCCESS;
-}
-
-gDEFUN(cfg_no_description, cfg_no_description_cmd,
-	"no description",
-	NO_STR
-	"Remove description of the object\n")
-{
-	char **dptr = vty->index_sub;
-
-	if (!dptr) {
-		vty_out(vty, "vty->index_sub == NULL%s", VTY_NEWLINE);
-		return CMD_WARNING;
-	}
-
-	if (*dptr) {
-		talloc_free(*dptr);
-		*dptr = NULL;
-	}
-
-	return CMD_SUCCESS;
-}
-
-void logging_vty_add_cmds()
-{
-	install_element_ve(&enable_logging_cmd);
-	install_element_ve(&disable_logging_cmd);
-	install_element_ve(&logging_fltr_all_cmd);
-	install_element_ve(&logging_use_clr_cmd);
-	install_element_ve(&logging_prnt_timestamp_cmd);
-	install_element_ve(&logging_set_category_mask_cmd);
-	install_element_ve(&logging_level_cmd);
-	install_element_ve(&show_logging_vty_cmd);
-}
diff --git a/openbsc/src/mgcp/mgcp_main.c b/openbsc/src/mgcp/mgcp_main.c
index 9939122..35e7fb1 100644
--- a/openbsc/src/mgcp/mgcp_main.c
+++ b/openbsc/src/mgcp/mgcp_main.c
@@ -39,10 +39,10 @@
 #include <osmocore/select.h>
 #include <openbsc/mgcp.h>
 #include <openbsc/mgcp_internal.h>
-#include <openbsc/telnet_interface.h>
+#include <osmocom/vty//telnet_interface.h>
 #include <openbsc/vty.h>
 
-#include <vty/command.h>
+#include <osmocom/vty/command.h>
 
 #include "../../bscconfig.h"
 
diff --git a/openbsc/src/mgcp/mgcp_vty.c b/openbsc/src/mgcp/mgcp_vty.c
index 1e76839..ea59abf 100644
--- a/openbsc/src/mgcp/mgcp_vty.c
+++ b/openbsc/src/mgcp/mgcp_vty.c
@@ -31,8 +31,8 @@
 #include <openbsc/mgcp_internal.h>
 #include <openbsc/vty.h>
 
-#include <vty/command.h>
-#include <vty/vty.h>
+#include <osmocom/vty/command.h>
+#include <osmocom/vty/vty.h>
 
 #include <string.h>
 
diff --git a/openbsc/src/telnet_interface.c b/openbsc/src/telnet_interface.c
deleted file mode 100644
index 37e1c25..0000000
--- a/openbsc/src/telnet_interface.c
+++ /dev/null
@@ -1,203 +0,0 @@
-/* minimalistic telnet/network interface it might turn into a wire interface */
-/* (C) 2009 by Holger Hans Peter Freyther <zecke@selfish.org>
- * 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 <sys/socket.h>
-#include <netinet/in.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <unistd.h>
-
-#include <osmocore/msgb.h>
-#include <osmocore/talloc.h>
-#include <osmocore/logging.h>
-#include <openbsc/telnet_interface.h>
-
-#include <vty/buffer.h>
-
-/* per connection data */
-LLIST_HEAD(active_connections);
-
-static void *tall_telnet_ctx;
-
-/* per network data */
-static int telnet_new_connection(struct bsc_fd *fd, unsigned int what);
-
-static struct bsc_fd server_socket = {
-	.when	    = BSC_FD_READ,
-	.cb	    = telnet_new_connection,
-	.priv_nr    = 0,
-};
-
-int telnet_init(void *tall_ctx, void *priv, int port)
-{
-	struct sockaddr_in sock_addr;
-	int fd, rc, on = 1;
-
-	tall_telnet_ctx = talloc_named_const(tall_ctx, 1,
-					     "telnet_connection");
-
-	fd = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);
-
-	if (fd < 0) {
-		LOGP(0, LOGL_ERROR, "Telnet interface socket creation failed\n");
-		return fd;
-	}
-
-	setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on));
-
-	memset(&sock_addr, 0, sizeof(sock_addr));
-	sock_addr.sin_family = AF_INET;
-	sock_addr.sin_port = htons(port);
-	sock_addr.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
-
-	rc = bind(fd, (struct sockaddr*)&sock_addr, sizeof(sock_addr));
-	if (bind < 0) {
-		LOGP(0, LOGL_ERROR, "Telnet interface failed to bind\n");
-		close(fd);
-		return rc;
-	}
-
-	rc = listen(fd, 0);
-	if (rc < 0) {
-		LOGP(0, LOGL_ERROR, "Telnet interface failed to listen\n");
-		close(fd);
-		return rc;
-	}
-
-	server_socket.data = priv;
-	server_socket.fd = fd;
-	bsc_register_fd(&server_socket);
-
-	return 0;
-}
-
-extern const char *openbsc_copyright;
-
-static void print_welcome(int fd)
-{
-	int ret;
-	static char *msg =
-		"Welcome to the OpenBSC Control interface\n";
-
-	ret = write(fd, msg, strlen(msg));
-	ret = write(fd, openbsc_copyright, strlen(openbsc_copyright));
-}
-
-int telnet_close_client(struct bsc_fd *fd)
-{
-	struct telnet_connection *conn = (struct telnet_connection*)fd->data;
-
-	close(fd->fd);
-	bsc_unregister_fd(fd);
-
-	if (conn->dbg) {
-		log_del_target(conn->dbg);
-		talloc_free(conn->dbg);
-	}
-
-	llist_del(&conn->entry);
-	talloc_free(conn);
-	return 0;
-}
-
-static int client_data(struct bsc_fd *fd, unsigned int what)
-{
-	struct telnet_connection *conn = fd->data;
-	int rc = 0;
-
-	if (what & BSC_FD_READ) {
-		conn->fd.when &= ~BSC_FD_READ;
-		rc = vty_read(conn->vty);
-	}
-
-	/* vty might have been closed from vithin vty_read() */
-	if (!conn->vty)
-		return rc;
-
-	if (what & BSC_FD_WRITE) {
-		rc = buffer_flush_all(conn->vty->obuf, fd->fd);
-		if (rc == BUFFER_EMPTY)
-			conn->fd.when &= ~BSC_FD_WRITE;
-	}
-
-	return rc;
-}
-
-static int telnet_new_connection(struct bsc_fd *fd, unsigned int what)
-{
-	struct telnet_connection *connection;
-	struct sockaddr_in sockaddr;
-	socklen_t len = sizeof(sockaddr);
-	int new_connection = accept(fd->fd, (struct sockaddr*)&sockaddr, &len);
-
-	if (new_connection < 0) {
-		LOGP(0, LOGL_ERROR, "telnet accept failed\n");
-		return new_connection;
-	}
-
-	connection = talloc_zero(tall_telnet_ctx, struct telnet_connection);
-	connection->priv = fd->data;
-	connection->fd.data = connection;
-	connection->fd.fd = new_connection;
-	connection->fd.when = BSC_FD_READ;
-	connection->fd.cb = client_data;
-	bsc_register_fd(&connection->fd);
-	llist_add_tail(&connection->entry, &active_connections);
-
-	print_welcome(new_connection);
-
-	connection->vty = vty_create(new_connection, connection);
-	if (!connection->vty) {
-		LOGP(0, LOGL_ERROR, "couldn't create VTY\n");
-		close(new_connection);
-		talloc_free(connection);
-		return -1;
-	}
-
-	return 0;
-}
-
-/* callback from VTY code */
-void vty_event(enum event event, int sock, struct vty *vty)
-{
-	struct telnet_connection *connection = vty->priv;
-	struct bsc_fd *bfd = &connection->fd;
-
-	if (vty->type != VTY_TERM)
-		return;
-
-	switch (event) {
-	case VTY_READ:
-		bfd->when |= BSC_FD_READ;
-		break;
-	case VTY_WRITE:
-		bfd->when |= BSC_FD_WRITE;
-		break;
-	case VTY_CLOSED:
-		/* vty layer is about to free() vty */
-		connection->vty = NULL;
-		telnet_close_client(bfd);
-		break;
-	default:
-		break;
-	}
-}
-
diff --git a/openbsc/src/vty/buffer.c b/openbsc/src/vty/buffer.c
deleted file mode 100644
index 0bc1760..0000000
--- a/openbsc/src/vty/buffer.c
+++ /dev/null
@@ -1,463 +0,0 @@
-/*
- * Buffering of output and input.
- * Copyright (C) 1998 Kunihiro Ishiguro
- *
- * This file is part of GNU Zebra.
- *
- * GNU Zebra 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, or (at your
- * option) any later version.
- *
- * GNU Zebra 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 GNU Zebra; see the file COPYING.  If not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-#include <errno.h>
-#include <stddef.h>
-#include <sys/uio.h>
-
-#include <osmocore/talloc.h>
-#include <vty/buffer.h>
-#include <vty/vty.h>
-
-/* Buffer master. */
-struct buffer {
-	/* Data list. */
-	struct buffer_data *head;
-	struct buffer_data *tail;
-
-	/* Size of each buffer_data chunk. */
-	size_t size;
-};
-
-/* Data container. */
-struct buffer_data {
-	struct buffer_data *next;
-
-	/* Location to add new data. */
-	size_t cp;
-
-	/* Pointer to data not yet flushed. */
-	size_t sp;
-
-	/* Actual data stream (variable length). */
-	unsigned char data[0];	/* real dimension is buffer->size */
-};
-
-/* It should always be true that: 0 <= sp <= cp <= size */
-
-/* Default buffer size (used if none specified).  It is rounded up to the
-   next page boundery. */
-#define BUFFER_SIZE_DEFAULT		4096
-
-#define BUFFER_DATA_FREE(D) talloc_free((D))
-
-/* Make new buffer. */
-struct buffer *buffer_new(void *ctx, size_t size)
-{
-	struct buffer *b;
-
-	b = talloc_zero(ctx, struct buffer);
-
-	if (size)
-		b->size = size;
-	else {
-		static size_t default_size;
-		if (!default_size) {
-			long pgsz = sysconf(_SC_PAGESIZE);
-			default_size =
-			    ((((BUFFER_SIZE_DEFAULT - 1) / pgsz) + 1) * pgsz);
-		}
-		b->size = default_size;
-	}
-
-	return b;
-}
-
-/* Free buffer. */
-void buffer_free(struct buffer *b)
-{
-	buffer_reset(b);
-	talloc_free(b);
-}
-
-/* Make string clone. */
-char *buffer_getstr(struct buffer *b)
-{
-	size_t totlen = 0;
-	struct buffer_data *data;
-	char *s;
-	char *p;
-
-	for (data = b->head; data; data = data->next)
-		totlen += data->cp - data->sp;
-	if (!(s = _talloc_zero(tall_vty_ctx, (totlen + 1), "buffer_getstr")))
-		return NULL;
-	p = s;
-	for (data = b->head; data; data = data->next) {
-		memcpy(p, data->data + data->sp, data->cp - data->sp);
-		p += data->cp - data->sp;
-	}
-	*p = '\0';
-	return s;
-}
-
-/* Return 1 if buffer is empty. */
-int buffer_empty(struct buffer *b)
-{
-	return (b->head == NULL);
-}
-
-/* Clear and free all allocated data. */
-void buffer_reset(struct buffer *b)
-{
-	struct buffer_data *data;
-	struct buffer_data *next;
-
-	for (data = b->head; data; data = next) {
-		next = data->next;
-		BUFFER_DATA_FREE(data);
-	}
-	b->head = b->tail = NULL;
-}
-
-/* Add buffer_data to the end of buffer. */
-static struct buffer_data *buffer_add(struct buffer *b)
-{
-	struct buffer_data *d;
-
-	d = _talloc_zero(b,
-			 offsetof(struct buffer_data, data[b->size]),
-			 "buffer_add");
-	if (!d)
-		return NULL;
-	d->cp = d->sp = 0;
-	d->next = NULL;
-
-	if (b->tail)
-		b->tail->next = d;
-	else
-		b->head = d;
-	b->tail = d;
-
-	return d;
-}
-
-/* Write data to buffer. */
-void buffer_put(struct buffer *b, const void *p, size_t size)
-{
-	struct buffer_data *data = b->tail;
-	const char *ptr = p;
-
-	/* We use even last one byte of data buffer. */
-	while (size) {
-		size_t chunk;
-
-		/* If there is no data buffer add it. */
-		if (data == NULL || data->cp == b->size)
-			data = buffer_add(b);
-
-		chunk =
-		    ((size <=
-		      (b->size - data->cp)) ? size : (b->size - data->cp));
-		memcpy((data->data + data->cp), ptr, chunk);
-		size -= chunk;
-		ptr += chunk;
-		data->cp += chunk;
-	}
-}
-
-/* Insert character into the buffer. */
-void buffer_putc(struct buffer *b, u_char c)
-{
-	buffer_put(b, &c, 1);
-}
-
-/* Put string to the buffer. */
-void buffer_putstr(struct buffer *b, const char *c)
-{
-	buffer_put(b, c, strlen(c));
-}
-
-/* Keep flushing data to the fd until the buffer is empty or an error is
-   encountered or the operation would block. */
-buffer_status_t buffer_flush_all(struct buffer *b, int fd)
-{
-	buffer_status_t ret;
-	struct buffer_data *head;
-	size_t head_sp;
-
-	if (!b->head)
-		return BUFFER_EMPTY;
-	head_sp = (head = b->head)->sp;
-	/* Flush all data. */
-	while ((ret = buffer_flush_available(b, fd)) == BUFFER_PENDING) {
-		if ((b->head == head) && (head_sp == head->sp)
-		    && (errno != EINTR))
-			/* No data was flushed, so kernel buffer must be full. */
-			return ret;
-		head_sp = (head = b->head)->sp;
-	}
-
-	return ret;
-}
-
-#if 0
-/* Flush enough data to fill a terminal window of the given scene (used only
-   by vty telnet interface). */
-buffer_status_t
-buffer_flush_window(struct buffer * b, int fd, int width, int height,
-		    int erase_flag, int no_more_flag)
-{
-	int nbytes;
-	int iov_alloc;
-	int iov_index;
-	struct iovec *iov;
-	struct iovec small_iov[3];
-	char more[] = " --More-- ";
-	char erase[] =
-	    { 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08,
-		' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
-		0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08
-	};
-	struct buffer_data *data;
-	int column;
-
-	if (!b->head)
-		return BUFFER_EMPTY;
-
-	if (height < 1) {
-		zlog_warn
-		    ("%s called with non-positive window height %d, forcing to 1",
-		     __func__, height);
-		height = 1;
-	} else if (height >= 2)
-		height--;
-	if (width < 1) {
-		zlog_warn
-		    ("%s called with non-positive window width %d, forcing to 1",
-		     __func__, width);
-		width = 1;
-	}
-
-	/* For erase and more data add two to b's buffer_data count. */
-	if (b->head->next == NULL) {
-		iov_alloc = sizeof(small_iov) / sizeof(small_iov[0]);
-		iov = small_iov;
-	} else {
-		iov_alloc = ((height * (width + 2)) / b->size) + 10;
-		iov = XMALLOC(MTYPE_TMP, iov_alloc * sizeof(*iov));
-	}
-	iov_index = 0;
-
-	/* Previously print out is performed. */
-	if (erase_flag) {
-		iov[iov_index].iov_base = erase;
-		iov[iov_index].iov_len = sizeof erase;
-		iov_index++;
-	}
-
-	/* Output data. */
-	column = 1;		/* Column position of next character displayed. */
-	for (data = b->head; data && (height > 0); data = data->next) {
-		size_t cp;
-
-		cp = data->sp;
-		while ((cp < data->cp) && (height > 0)) {
-			/* Calculate lines remaining and column position after displaying
-			   this character. */
-			if (data->data[cp] == '\r')
-				column = 1;
-			else if ((data->data[cp] == '\n') || (column == width)) {
-				column = 1;
-				height--;
-			} else
-				column++;
-			cp++;
-		}
-		iov[iov_index].iov_base = (char *)(data->data + data->sp);
-		iov[iov_index++].iov_len = cp - data->sp;
-		data->sp = cp;
-
-		if (iov_index == iov_alloc)
-			/* This should not ordinarily happen. */
-		{
-			iov_alloc *= 2;
-			if (iov != small_iov) {
-				zlog_warn("%s: growing iov array to %d; "
-					  "width %d, height %d, size %lu",
-					  __func__, iov_alloc, width, height,
-					  (u_long) b->size);
-				iov =
-				    XREALLOC(MTYPE_TMP, iov,
-					     iov_alloc * sizeof(*iov));
-			} else {
-				/* This should absolutely never occur. */
-				zlog_err
-				    ("%s: corruption detected: iov_small overflowed; "
-				     "head %p, tail %p, head->next %p",
-				     __func__, b->head, b->tail, b->head->next);
-				iov =
-				    XMALLOC(MTYPE_TMP,
-					    iov_alloc * sizeof(*iov));
-				memcpy(iov, small_iov, sizeof(small_iov));
-			}
-		}
-	}
-
-	/* In case of `more' display need. */
-	if (b->tail && (b->tail->sp < b->tail->cp) && !no_more_flag) {
-		iov[iov_index].iov_base = more;
-		iov[iov_index].iov_len = sizeof more;
-		iov_index++;
-	}
-#ifdef IOV_MAX
-	/* IOV_MAX are normally defined in <sys/uio.h> , Posix.1g.
-	   example: Solaris2.6 are defined IOV_MAX size at 16.     */
-	{
-		struct iovec *c_iov = iov;
-		nbytes = 0;	/* Make sure it's initialized. */
-
-		while (iov_index > 0) {
-			int iov_size;
-
-			iov_size =
-			    ((iov_index > IOV_MAX) ? IOV_MAX : iov_index);
-			if ((nbytes = writev(fd, c_iov, iov_size)) < 0) {
-				zlog_warn("%s: writev to fd %d failed: %s",
-					  __func__, fd, safe_strerror(errno));
-				break;
-			}
-
-			/* move pointer io-vector */
-			c_iov += iov_size;
-			iov_index -= iov_size;
-		}
-	}
-#else				/* IOV_MAX */
-	if ((nbytes = writev(fd, iov, iov_index)) < 0)
-		zlog_warn("%s: writev to fd %d failed: %s",
-			  __func__, fd, safe_strerror(errno));
-#endif				/* IOV_MAX */
-
-	/* Free printed buffer data. */
-	while (b->head && (b->head->sp == b->head->cp)) {
-		struct buffer_data *del;
-		if (!(b->head = (del = b->head)->next))
-			b->tail = NULL;
-		BUFFER_DATA_FREE(del);
-	}
-
-	if (iov != small_iov)
-		XFREE(MTYPE_TMP, iov);
-
-	return (nbytes < 0) ? BUFFER_ERROR :
-	    (b->head ? BUFFER_PENDING : BUFFER_EMPTY);
-}
-#endif
-
-/* This function (unlike other buffer_flush* functions above) is designed
-to work with non-blocking sockets.  It does not attempt to write out
-all of the queued data, just a "big" chunk.  It returns 0 if it was
-able to empty out the buffers completely, 1 if more flushing is
-required later, or -1 on a fatal write error. */
-buffer_status_t buffer_flush_available(struct buffer * b, int fd)
-{
-
-/* These are just reasonable values to make sure a significant amount of
-data is written.  There's no need to go crazy and try to write it all
-in one shot. */
-#ifdef IOV_MAX
-#define MAX_CHUNKS ((IOV_MAX >= 16) ? 16 : IOV_MAX)
-#else
-#define MAX_CHUNKS 16
-#endif
-#define MAX_FLUSH 131072
-
-	struct buffer_data *d;
-	size_t written;
-	struct iovec iov[MAX_CHUNKS];
-	size_t iovcnt = 0;
-	size_t nbyte = 0;
-
-	for (d = b->head; d && (iovcnt < MAX_CHUNKS) && (nbyte < MAX_FLUSH);
-	     d = d->next, iovcnt++) {
-		iov[iovcnt].iov_base = d->data + d->sp;
-		nbyte += (iov[iovcnt].iov_len = d->cp - d->sp);
-	}
-
-	if (!nbyte)
-		/* No data to flush: should we issue a warning message? */
-		return BUFFER_EMPTY;
-
-	/* only place where written should be sign compared */
-	if ((ssize_t) (written = writev(fd, iov, iovcnt)) < 0) {
-		if (ERRNO_IO_RETRY(errno))
-			/* Calling code should try again later. */
-			return BUFFER_PENDING;
-		return BUFFER_ERROR;
-	}
-
-	/* Free printed buffer data. */
-	while (written > 0) {
-		struct buffer_data *d;
-		if (!(d = b->head))
-			break;
-		if (written < d->cp - d->sp) {
-			d->sp += written;
-			return BUFFER_PENDING;
-		}
-
-		written -= (d->cp - d->sp);
-		if (!(b->head = d->next))
-			b->tail = NULL;
-		BUFFER_DATA_FREE(d);
-	}
-
-	return b->head ? BUFFER_PENDING : BUFFER_EMPTY;
-
-#undef MAX_CHUNKS
-#undef MAX_FLUSH
-}
-
-buffer_status_t
-buffer_write(struct buffer * b, int fd, const void *p, size_t size)
-{
-	ssize_t nbytes;
-
-#if 0
-	/* Should we attempt to drain any previously buffered data?  This could help reduce latency in pushing out the data if we are stuck in a long-running thread that is preventing the main select loop from calling the flush thread... */
-
-	if (b->head && (buffer_flush_available(b, fd) == BUFFER_ERROR))
-		return BUFFER_ERROR;
-#endif
-	if (b->head)
-		/* Buffer is not empty, so do not attempt to write the new data. */
-		nbytes = 0;
-	else if ((nbytes = write(fd, p, size)) < 0) {
-		if (ERRNO_IO_RETRY(errno))
-			nbytes = 0;
-		else
-			return BUFFER_ERROR;
-	}
-	/* Add any remaining data to the buffer. */
-	{
-		size_t written = nbytes;
-		if (written < size)
-			buffer_put(b, ((const char *)p) + written,
-				   size - written);
-	}
-	return b->head ? BUFFER_PENDING : BUFFER_EMPTY;
-}
diff --git a/openbsc/src/vty/command.c b/openbsc/src/vty/command.c
deleted file mode 100644
index 5be0092..0000000
--- a/openbsc/src/vty/command.c
+++ /dev/null
@@ -1,3211 +0,0 @@
-/*
-   $Id: command.c,v 1.47 2005/04/25 16:26:42 paul Exp $
-
-   Command interpreter routine for virtual terminal [aka TeletYpe]
-   Copyright (C) 1997, 98, 99 Kunihiro Ishiguro
-
-This file is part of GNU Zebra.
-
-GNU Zebra 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, or (at your
-option) any later version.
-
-GNU Zebra 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 GNU Zebra; see the file COPYING.  If not, write to the
-Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.  */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <syslog.h>
-#include <errno.h>
-#define _XOPEN_SOURCE
-#include <unistd.h>
-#include <assert.h>
-#include <ctype.h>
-#include <time.h>
-#include <sys/time.h>
-#include <sys/stat.h>
-
-#include <vty/vector.h>
-#include <vty/vty.h>
-#include <vty/command.h>
-
-#include <openbsc/gsm_data.h>
-#include <openbsc/gsm_subscriber.h>
-#include <osmocore/talloc.h>
-
-#define CONFIGFILE_MASK 022
-
-void *tall_vty_cmd_ctx;
-
-/* Command vector which includes some level of command lists. Normally
-   each daemon maintains each own cmdvec. */
-vector cmdvec;
-
-/* Host information structure. */
-struct host host;
-
-/* Standard command node structures. */
-struct cmd_node auth_node = {
-	AUTH_NODE,
-	"Password: ",
-};
-
-struct cmd_node view_node = {
-	VIEW_NODE,
-	"%s> ",
-};
-
-struct cmd_node auth_enable_node = {
-	AUTH_ENABLE_NODE,
-	"Password: ",
-};
-
-struct cmd_node enable_node = {
-	ENABLE_NODE,
-	"%s# ",
-};
-
-struct cmd_node config_node = {
-	CONFIG_NODE,
-	"%s(config)# ",
-	1
-};
-
-/* Default motd string. */
-const char *default_motd = "";
-
-/* This is called from main when a daemon is invoked with -v or --version. */
-void print_version(int print_copyright)
-{
-	printf("%s version %s\n", host.prog_name, host.prog_version);
-	if (print_copyright)
-		printf("\n%s\n", host.prog_copyright);
-}
-
-/* Utility function to concatenate argv argument into a single string
-   with inserting ' ' character between each argument.  */
-char *argv_concat(const char **argv, int argc, int shift)
-{
-	int i;
-	size_t len;
-	char *str;
-	char *p;
-
-	len = 0;
-	for (i = shift; i < argc; i++)
-		len += strlen(argv[i]) + 1;
-	if (!len)
-		return NULL;
-	p = str = _talloc_zero(tall_vty_cmd_ctx, len, "arvg_concat");
-	for (i = shift; i < argc; i++) {
-		size_t arglen;
-		memcpy(p, argv[i], (arglen = strlen(argv[i])));
-		p += arglen;
-		*p++ = ' ';
-	}
-	*(p - 1) = '\0';
-	return str;
-}
-
-/* Install top node of command vector. */
-void install_node(struct cmd_node *node, int (*func) (struct vty *))
-{
-	vector_set_index(cmdvec, node->node, node);
-	node->func = func;
-	node->cmd_vector = vector_init(VECTOR_MIN_SIZE);
-}
-
-/* Compare two command's string.  Used in sort_node (). */
-static int cmp_node(const void *p, const void *q)
-{
-	struct cmd_element *a = *(struct cmd_element **)p;
-	struct cmd_element *b = *(struct cmd_element **)q;
-
-	return strcmp(a->string, b->string);
-}
-
-static int cmp_desc(const void *p, const void *q)
-{
-	struct desc *a = *(struct desc **)p;
-	struct desc *b = *(struct desc **)q;
-
-	return strcmp(a->cmd, b->cmd);
-}
-
-/* Sort each node's command element according to command string. */
-void sort_node()
-{
-	unsigned int i, j;
-	struct cmd_node *cnode;
-	vector descvec;
-	struct cmd_element *cmd_element;
-
-	for (i = 0; i < vector_active(cmdvec); i++)
-		if ((cnode = vector_slot(cmdvec, i)) != NULL) {
-			vector cmd_vector = cnode->cmd_vector;
-			qsort(cmd_vector->index, vector_active(cmd_vector),
-			      sizeof(void *), cmp_node);
-
-			for (j = 0; j < vector_active(cmd_vector); j++)
-				if ((cmd_element =
-				     vector_slot(cmd_vector, j)) != NULL
-				    && vector_active(cmd_element->strvec)) {
-					descvec =
-					    vector_slot(cmd_element->strvec,
-							vector_active
-							(cmd_element->strvec) -
-							1);
-					qsort(descvec->index,
-					      vector_active(descvec),
-					      sizeof(void *), cmp_desc);
-				}
-		}
-}
-
-/* Breaking up string into each command piece. I assume given
-   character is separated by a space character. Return value is a
-   vector which includes char ** data element. */
-vector cmd_make_strvec(const char *string)
-{
-	const char *cp, *start;
-	char *token;
-	int strlen;
-	vector strvec;
-
-	if (string == NULL)
-		return NULL;
-
-	cp = string;
-
-	/* Skip white spaces. */
-	while (isspace((int)*cp) && *cp != '\0')
-		cp++;
-
-	/* Return if there is only white spaces */
-	if (*cp == '\0')
-		return NULL;
-
-	if (*cp == '!' || *cp == '#')
-		return NULL;
-
-	/* Prepare return vector. */
-	strvec = vector_init(VECTOR_MIN_SIZE);
-
-	/* Copy each command piece and set into vector. */
-	while (1) {
-		start = cp;
-		while (!(isspace((int)*cp) || *cp == '\r' || *cp == '\n') &&
-		       *cp != '\0')
-			cp++;
-		strlen = cp - start;
-		token = _talloc_zero(tall_vty_cmd_ctx, strlen + 1, "make_strvec");
-		memcpy(token, start, strlen);
-		*(token + strlen) = '\0';
-		vector_set(strvec, token);
-
-		while ((isspace((int)*cp) || *cp == '\n' || *cp == '\r') &&
-		       *cp != '\0')
-			cp++;
-
-		if (*cp == '\0')
-			return strvec;
-	}
-}
-
-/* Free allocated string vector. */
-void cmd_free_strvec(vector v)
-{
-	unsigned int i;
-	char *cp;
-
-	if (!v)
-		return;
-
-	for (i = 0; i < vector_active(v); i++)
-		if ((cp = vector_slot(v, i)) != NULL)
-			talloc_free(cp);
-
-	vector_free(v);
-}
-
-/* Fetch next description.  Used in cmd_make_descvec(). */
-static char *cmd_desc_str(const char **string)
-{
-	const char *cp, *start;
-	char *token;
-	int strlen;
-
-	cp = *string;
-
-	if (cp == NULL)
-		return NULL;
-
-	/* Skip white spaces. */
-	while (isspace((int)*cp) && *cp != '\0')
-		cp++;
-
-	/* Return if there is only white spaces */
-	if (*cp == '\0')
-		return NULL;
-
-	start = cp;
-
-	while (!(*cp == '\r' || *cp == '\n') && *cp != '\0')
-		cp++;
-
-	strlen = cp - start;
-	token = _talloc_zero(tall_vty_cmd_ctx, strlen + 1, "cmd_desc_str");
-	memcpy(token, start, strlen);
-	*(token + strlen) = '\0';
-
-	*string = cp;
-
-	return token;
-}
-
-/* New string vector. */
-static vector cmd_make_descvec(const char *string, const char *descstr)
-{
-	int multiple = 0;
-	const char *sp;
-	char *token;
-	int len;
-	const char *cp;
-	const char *dp;
-	vector allvec;
-	vector strvec = NULL;
-	struct desc *desc;
-
-	cp = string;
-	dp = descstr;
-
-	if (cp == NULL)
-		return NULL;
-
-	allvec = vector_init(VECTOR_MIN_SIZE);
-
-	while (1) {
-		while (isspace((int)*cp) && *cp != '\0')
-			cp++;
-
-		if (*cp == '(') {
-			multiple = 1;
-			cp++;
-		}
-		if (*cp == ')') {
-			multiple = 0;
-			cp++;
-		}
-		if (*cp == '|') {
-			if (!multiple) {
-				fprintf(stderr, "Command parse error!: %s\n",
-					string);
-				exit(1);
-			}
-			cp++;
-		}
-
-		while (isspace((int)*cp) && *cp != '\0')
-			cp++;
-
-		if (*cp == '(') {
-			multiple = 1;
-			cp++;
-		}
-
-		if (*cp == '\0')
-			return allvec;
-
-		sp = cp;
-
-		while (!
-		       (isspace((int)*cp) || *cp == '\r' || *cp == '\n'
-			|| *cp == ')' || *cp == '|') && *cp != '\0')
-			cp++;
-
-		len = cp - sp;
-
-		token = _talloc_zero(tall_vty_cmd_ctx, len + 1, "cmd_make_descvec");
-		memcpy(token, sp, len);
-		*(token + len) = '\0';
-
-		desc = talloc_zero(tall_vty_cmd_ctx, struct desc);
-		desc->cmd = token;
-		desc->str = cmd_desc_str(&dp);
-
-		if (multiple) {
-			if (multiple == 1) {
-				strvec = vector_init(VECTOR_MIN_SIZE);
-				vector_set(allvec, strvec);
-			}
-			multiple++;
-		} else {
-			strvec = vector_init(VECTOR_MIN_SIZE);
-			vector_set(allvec, strvec);
-		}
-		vector_set(strvec, desc);
-	}
-}
-
-/* Count mandantory string vector size.  This is to determine inputed
-   command has enough command length. */
-static int cmd_cmdsize(vector strvec)
-{
-	unsigned int i;
-	int size = 0;
-	vector descvec;
-	struct desc *desc;
-
-	for (i = 0; i < vector_active(strvec); i++)
-		if ((descvec = vector_slot(strvec, i)) != NULL) {
-			if ((vector_active(descvec)) == 1
-			    && (desc = vector_slot(descvec, 0)) != NULL) {
-				if (desc->cmd == NULL || CMD_OPTION(desc->cmd))
-					return size;
-				else
-					size++;
-			} else
-				size++;
-		}
-	return size;
-}
-
-/* Return prompt character of specified node. */
-const char *cmd_prompt(enum node_type node)
-{
-	struct cmd_node *cnode;
-
-	cnode = vector_slot(cmdvec, node);
-	return cnode->prompt;
-}
-
-/* Install a command into a node. */
-void install_element(enum node_type ntype, struct cmd_element *cmd)
-{
-	struct cmd_node *cnode;
-
-	cnode = vector_slot(cmdvec, ntype);
-
-	if (cnode == NULL) {
-		fprintf(stderr,
-			"Command node %d doesn't exist, please check it\n",
-			ntype);
-		exit(1);
-	}
-
-	vector_set(cnode->cmd_vector, cmd);
-
-	cmd->strvec = cmd_make_descvec(cmd->string, cmd->doc);
-	cmd->cmdsize = cmd_cmdsize(cmd->strvec);
-}
-
-/* Install a command into VIEW and ENABLE node */
-void install_element_ve(struct cmd_element *cmd)
-{
-	install_element(VIEW_NODE, cmd);
-	install_element(ENABLE_NODE, cmd);
-}
-
-#ifdef VTY_CRYPT_PW
-static unsigned char itoa64[] =
-    "./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
-
-static void to64(char *s, long v, int n)
-{
-	while (--n >= 0) {
-		*s++ = itoa64[v & 0x3f];
-		v >>= 6;
-	}
-}
-
-static char *zencrypt(const char *passwd)
-{
-	char salt[6];
-	struct timeval tv;
-	char *crypt(const char *, const char *);
-
-	gettimeofday(&tv, 0);
-
-	to64(&salt[0], random(), 3);
-	to64(&salt[3], tv.tv_usec, 3);
-	salt[5] = '\0';
-
-	return crypt(passwd, salt);
-}
-#endif
-
-/* This function write configuration of this host. */
-static int config_write_host(struct vty *vty)
-{
-	if (host.name)
-		vty_out(vty, "hostname %s%s", host.name, VTY_NEWLINE);
-
-	if (host.encrypt) {
-		if (host.password_encrypt)
-			vty_out(vty, "password 8 %s%s", host.password_encrypt,
-				VTY_NEWLINE);
-		if (host.enable_encrypt)
-			vty_out(vty, "enable password 8 %s%s",
-				host.enable_encrypt, VTY_NEWLINE);
-	} else {
-		if (host.password)
-			vty_out(vty, "password %s%s", host.password,
-				VTY_NEWLINE);
-		if (host.enable)
-			vty_out(vty, "enable password %s%s", host.enable,
-				VTY_NEWLINE);
-	}
-
-	if (host.advanced)
-		vty_out(vty, "service advanced-vty%s", VTY_NEWLINE);
-
-	if (host.encrypt)
-		vty_out(vty, "service password-encryption%s", VTY_NEWLINE);
-
-	if (host.lines >= 0)
-		vty_out(vty, "service terminal-length %d%s", host.lines,
-			VTY_NEWLINE);
-
-	if (host.motdfile)
-		vty_out(vty, "banner motd file %s%s", host.motdfile,
-			VTY_NEWLINE);
-	else if (!host.motd)
-		vty_out(vty, "no banner motd%s", VTY_NEWLINE);
-
-	return 1;
-}
-
-/* Utility function for getting command vector. */
-static vector cmd_node_vector(vector v, enum node_type ntype)
-{
-	struct cmd_node *cnode = vector_slot(v, ntype);
-	return cnode->cmd_vector;
-}
-
-/* Completion match types. */
-enum match_type {
-	no_match,
-	extend_match,
-	ipv4_prefix_match,
-	ipv4_match,
-	ipv6_prefix_match,
-	ipv6_match,
-	range_match,
-	vararg_match,
-	partly_match,
-	exact_match
-};
-
-static enum match_type cmd_ipv4_match(const char *str)
-{
-	const char *sp;
-	int dots = 0, nums = 0;
-	char buf[4];
-
-	if (str == NULL)
-		return partly_match;
-
-	for (;;) {
-		memset(buf, 0, sizeof(buf));
-		sp = str;
-		while (*str != '\0') {
-			if (*str == '.') {
-				if (dots >= 3)
-					return no_match;
-
-				if (*(str + 1) == '.')
-					return no_match;
-
-				if (*(str + 1) == '\0')
-					return partly_match;
-
-				dots++;
-				break;
-			}
-			if (!isdigit((int)*str))
-				return no_match;
-
-			str++;
-		}
-
-		if (str - sp > 3)
-			return no_match;
-
-		strncpy(buf, sp, str - sp);
-		if (atoi(buf) > 255)
-			return no_match;
-
-		nums++;
-
-		if (*str == '\0')
-			break;
-
-		str++;
-	}
-
-	if (nums < 4)
-		return partly_match;
-
-	return exact_match;
-}
-
-static enum match_type cmd_ipv4_prefix_match(const char *str)
-{
-	const char *sp;
-	int dots = 0;
-	char buf[4];
-
-	if (str == NULL)
-		return partly_match;
-
-	for (;;) {
-		memset(buf, 0, sizeof(buf));
-		sp = str;
-		while (*str != '\0' && *str != '/') {
-			if (*str == '.') {
-				if (dots == 3)
-					return no_match;
-
-				if (*(str + 1) == '.' || *(str + 1) == '/')
-					return no_match;
-
-				if (*(str + 1) == '\0')
-					return partly_match;
-
-				dots++;
-				break;
-			}
-
-			if (!isdigit((int)*str))
-				return no_match;
-
-			str++;
-		}
-
-		if (str - sp > 3)
-			return no_match;
-
-		strncpy(buf, sp, str - sp);
-		if (atoi(buf) > 255)
-			return no_match;
-
-		if (dots == 3) {
-			if (*str == '/') {
-				if (*(str + 1) == '\0')
-					return partly_match;
-
-				str++;
-				break;
-			} else if (*str == '\0')
-				return partly_match;
-		}
-
-		if (*str == '\0')
-			return partly_match;
-
-		str++;
-	}
-
-	sp = str;
-	while (*str != '\0') {
-		if (!isdigit((int)*str))
-			return no_match;
-
-		str++;
-	}
-
-	if (atoi(sp) > 32)
-		return no_match;
-
-	return exact_match;
-}
-
-#define IPV6_ADDR_STR		"0123456789abcdefABCDEF:.%"
-#define IPV6_PREFIX_STR		"0123456789abcdefABCDEF:.%/"
-#define STATE_START		1
-#define STATE_COLON		2
-#define STATE_DOUBLE		3
-#define STATE_ADDR		4
-#define STATE_DOT               5
-#define STATE_SLASH		6
-#define STATE_MASK		7
-
-#ifdef HAVE_IPV6
-
-static enum match_type cmd_ipv6_match(const char *str)
-{
-	int state = STATE_START;
-	int colons = 0, nums = 0, double_colon = 0;
-	const char *sp = NULL;
-	struct sockaddr_in6 sin6_dummy;
-	int ret;
-
-	if (str == NULL)
-		return partly_match;
-
-	if (strspn(str, IPV6_ADDR_STR) != strlen(str))
-		return no_match;
-
-	/* use inet_pton that has a better support,
-	 * for example inet_pton can support the automatic addresses:
-	 *  ::1.2.3.4
-	 */
-	ret = inet_pton(AF_INET6, str, &sin6_dummy.sin6_addr);
-
-	if (ret == 1)
-		return exact_match;
-
-	while (*str != '\0') {
-		switch (state) {
-		case STATE_START:
-			if (*str == ':') {
-				if (*(str + 1) != ':' && *(str + 1) != '\0')
-					return no_match;
-				colons--;
-				state = STATE_COLON;
-			} else {
-				sp = str;
-				state = STATE_ADDR;
-			}
-
-			continue;
-		case STATE_COLON:
-			colons++;
-			if (*(str + 1) == ':')
-				state = STATE_DOUBLE;
-			else {
-				sp = str + 1;
-				state = STATE_ADDR;
-			}
-			break;
-		case STATE_DOUBLE:
-			if (double_colon)
-				return no_match;
-
-			if (*(str + 1) == ':')
-				return no_match;
-			else {
-				if (*(str + 1) != '\0')
-					colons++;
-				sp = str + 1;
-				state = STATE_ADDR;
-			}
-
-			double_colon++;
-			nums++;
-			break;
-		case STATE_ADDR:
-			if (*(str + 1) == ':' || *(str + 1) == '\0') {
-				if (str - sp > 3)
-					return no_match;
-
-				nums++;
-				state = STATE_COLON;
-			}
-			if (*(str + 1) == '.')
-				state = STATE_DOT;
-			break;
-		case STATE_DOT:
-			state = STATE_ADDR;
-			break;
-		default:
-			break;
-		}
-
-		if (nums > 8)
-			return no_match;
-
-		if (colons > 7)
-			return no_match;
-
-		str++;
-	}
-
-#if 0
-	if (nums < 11)
-		return partly_match;
-#endif				/* 0 */
-
-	return exact_match;
-}
-
-static enum match_type cmd_ipv6_prefix_match(const char *str)
-{
-	int state = STATE_START;
-	int colons = 0, nums = 0, double_colon = 0;
-	int mask;
-	const char *sp = NULL;
-	char *endptr = NULL;
-
-	if (str == NULL)
-		return partly_match;
-
-	if (strspn(str, IPV6_PREFIX_STR) != strlen(str))
-		return no_match;
-
-	while (*str != '\0' && state != STATE_MASK) {
-		switch (state) {
-		case STATE_START:
-			if (*str == ':') {
-				if (*(str + 1) != ':' && *(str + 1) != '\0')
-					return no_match;
-				colons--;
-				state = STATE_COLON;
-			} else {
-				sp = str;
-				state = STATE_ADDR;
-			}
-
-			continue;
-		case STATE_COLON:
-			colons++;
-			if (*(str + 1) == '/')
-				return no_match;
-			else if (*(str + 1) == ':')
-				state = STATE_DOUBLE;
-			else {
-				sp = str + 1;
-				state = STATE_ADDR;
-			}
-			break;
-		case STATE_DOUBLE:
-			if (double_colon)
-				return no_match;
-
-			if (*(str + 1) == ':')
-				return no_match;
-			else {
-				if (*(str + 1) != '\0' && *(str + 1) != '/')
-					colons++;
-				sp = str + 1;
-
-				if (*(str + 1) == '/')
-					state = STATE_SLASH;
-				else
-					state = STATE_ADDR;
-			}
-
-			double_colon++;
-			nums += 1;
-			break;
-		case STATE_ADDR:
-			if (*(str + 1) == ':' || *(str + 1) == '.'
-			    || *(str + 1) == '\0' || *(str + 1) == '/') {
-				if (str - sp > 3)
-					return no_match;
-
-				for (; sp <= str; sp++)
-					if (*sp == '/')
-						return no_match;
-
-				nums++;
-
-				if (*(str + 1) == ':')
-					state = STATE_COLON;
-				else if (*(str + 1) == '.')
-					state = STATE_DOT;
-				else if (*(str + 1) == '/')
-					state = STATE_SLASH;
-			}
-			break;
-		case STATE_DOT:
-			state = STATE_ADDR;
-			break;
-		case STATE_SLASH:
-			if (*(str + 1) == '\0')
-				return partly_match;
-
-			state = STATE_MASK;
-			break;
-		default:
-			break;
-		}
-
-		if (nums > 11)
-			return no_match;
-
-		if (colons > 7)
-			return no_match;
-
-		str++;
-	}
-
-	if (state < STATE_MASK)
-		return partly_match;
-
-	mask = strtol(str, &endptr, 10);
-	if (*endptr != '\0')
-		return no_match;
-
-	if (mask < 0 || mask > 128)
-		return no_match;
-
-/* I don't know why mask < 13 makes command match partly.
-   Forgive me to make this comments. I Want to set static default route
-   because of lack of function to originate default in ospf6d; sorry
-       yasu
-  if (mask < 13)
-    return partly_match;
-*/
-
-	return exact_match;
-}
-
-#endif				/* HAVE_IPV6  */
-
-#define DECIMAL_STRLEN_MAX 10
-
-static int cmd_range_match(const char *range, const char *str)
-{
-	char *p;
-	char buf[DECIMAL_STRLEN_MAX + 1];
-	char *endptr = NULL;
-	unsigned long min, max, val;
-
-	if (str == NULL)
-		return 1;
-
-	val = strtoul(str, &endptr, 10);
-	if (*endptr != '\0')
-		return 0;
-
-	range++;
-	p = strchr(range, '-');
-	if (p == NULL)
-		return 0;
-	if (p - range > DECIMAL_STRLEN_MAX)
-		return 0;
-	strncpy(buf, range, p - range);
-	buf[p - range] = '\0';
-	min = strtoul(buf, &endptr, 10);
-	if (*endptr != '\0')
-		return 0;
-
-	range = p + 1;
-	p = strchr(range, '>');
-	if (p == NULL)
-		return 0;
-	if (p - range > DECIMAL_STRLEN_MAX)
-		return 0;
-	strncpy(buf, range, p - range);
-	buf[p - range] = '\0';
-	max = strtoul(buf, &endptr, 10);
-	if (*endptr != '\0')
-		return 0;
-
-	if (val < min || val > max)
-		return 0;
-
-	return 1;
-}
-
-/* Make completion match and return match type flag. */
-static enum match_type
-cmd_filter_by_completion(char *command, vector v, unsigned int index)
-{
-	unsigned int i;
-	const char *str;
-	struct cmd_element *cmd_element;
-	enum match_type match_type;
-	vector descvec;
-	struct desc *desc;
-
-	match_type = no_match;
-
-	/* If command and cmd_element string does not match set NULL to vector */
-	for (i = 0; i < vector_active(v); i++)
-		if ((cmd_element = vector_slot(v, i)) != NULL) {
-			if (index >= vector_active(cmd_element->strvec))
-				vector_slot(v, i) = NULL;
-			else {
-				unsigned int j;
-				int matched = 0;
-
-				descvec =
-				    vector_slot(cmd_element->strvec, index);
-
-				for (j = 0; j < vector_active(descvec); j++)
-					if ((desc = vector_slot(descvec, j))) {
-						str = desc->cmd;
-
-						if (CMD_VARARG(str)) {
-							if (match_type <
-							    vararg_match)
-								match_type =
-								    vararg_match;
-							matched++;
-						} else if (CMD_RANGE(str)) {
-							if (cmd_range_match
-							    (str, command)) {
-								if (match_type <
-								    range_match)
-									match_type
-									    =
-									    range_match;
-
-								matched++;
-							}
-						}
-#ifdef HAVE_IPV6
-						else if (CMD_IPV6(str)) {
-							if (cmd_ipv6_match
-							    (command)) {
-								if (match_type <
-								    ipv6_match)
-									match_type
-									    =
-									    ipv6_match;
-
-								matched++;
-							}
-						} else if (CMD_IPV6_PREFIX(str)) {
-							if (cmd_ipv6_prefix_match(command)) {
-								if (match_type <
-								    ipv6_prefix_match)
-									match_type
-									    =
-									    ipv6_prefix_match;
-
-								matched++;
-							}
-						}
-#endif				/* HAVE_IPV6  */
-						else if (CMD_IPV4(str)) {
-							if (cmd_ipv4_match
-							    (command)) {
-								if (match_type <
-								    ipv4_match)
-									match_type
-									    =
-									    ipv4_match;
-
-								matched++;
-							}
-						} else if (CMD_IPV4_PREFIX(str)) {
-							if (cmd_ipv4_prefix_match(command)) {
-								if (match_type <
-								    ipv4_prefix_match)
-									match_type
-									    =
-									    ipv4_prefix_match;
-								matched++;
-							}
-						} else
-							/* Check is this point's argument optional ? */
-						if (CMD_OPTION(str)
-							    ||
-							    CMD_VARIABLE(str)) {
-							if (match_type <
-							    extend_match)
-								match_type =
-								    extend_match;
-							matched++;
-						} else
-						    if (strncmp
-							(command, str,
-							 strlen(command)) ==
-							0) {
-							if (strcmp(command, str)
-							    == 0)
-								match_type =
-								    exact_match;
-							else {
-								if (match_type <
-								    partly_match)
-									match_type
-									    =
-									    partly_match;
-							}
-							matched++;
-						}
-					}
-				if (!matched)
-					vector_slot(v, i) = NULL;
-			}
-		}
-	return match_type;
-}
-
-/* Filter vector by command character with index. */
-static enum match_type
-cmd_filter_by_string(char *command, vector v, unsigned int index)
-{
-	unsigned int i;
-	const char *str;
-	struct cmd_element *cmd_element;
-	enum match_type match_type;
-	vector descvec;
-	struct desc *desc;
-
-	match_type = no_match;
-
-	/* If command and cmd_element string does not match set NULL to vector */
-	for (i = 0; i < vector_active(v); i++)
-		if ((cmd_element = vector_slot(v, i)) != NULL) {
-			/* If given index is bigger than max string vector of command,
-			   set NULL */
-			if (index >= vector_active(cmd_element->strvec))
-				vector_slot(v, i) = NULL;
-			else {
-				unsigned int j;
-				int matched = 0;
-
-				descvec =
-				    vector_slot(cmd_element->strvec, index);
-
-				for (j = 0; j < vector_active(descvec); j++)
-					if ((desc = vector_slot(descvec, j))) {
-						str = desc->cmd;
-
-						if (CMD_VARARG(str)) {
-							if (match_type <
-							    vararg_match)
-								match_type =
-								    vararg_match;
-							matched++;
-						} else if (CMD_RANGE(str)) {
-							if (cmd_range_match
-							    (str, command)) {
-								if (match_type <
-								    range_match)
-									match_type
-									    =
-									    range_match;
-								matched++;
-							}
-						}
-#ifdef HAVE_IPV6
-						else if (CMD_IPV6(str)) {
-							if (cmd_ipv6_match
-							    (command) ==
-							    exact_match) {
-								if (match_type <
-								    ipv6_match)
-									match_type
-									    =
-									    ipv6_match;
-								matched++;
-							}
-						} else if (CMD_IPV6_PREFIX(str)) {
-							if (cmd_ipv6_prefix_match(command) == exact_match) {
-								if (match_type <
-								    ipv6_prefix_match)
-									match_type
-									    =
-									    ipv6_prefix_match;
-								matched++;
-							}
-						}
-#endif				/* HAVE_IPV6  */
-						else if (CMD_IPV4(str)) {
-							if (cmd_ipv4_match
-							    (command) ==
-							    exact_match) {
-								if (match_type <
-								    ipv4_match)
-									match_type
-									    =
-									    ipv4_match;
-								matched++;
-							}
-						} else if (CMD_IPV4_PREFIX(str)) {
-							if (cmd_ipv4_prefix_match(command) == exact_match) {
-								if (match_type <
-								    ipv4_prefix_match)
-									match_type
-									    =
-									    ipv4_prefix_match;
-								matched++;
-							}
-						} else if (CMD_OPTION(str)
-							   || CMD_VARIABLE(str))
-						{
-							if (match_type <
-							    extend_match)
-								match_type =
-								    extend_match;
-							matched++;
-						} else {
-							if (strcmp(command, str)
-							    == 0) {
-								match_type =
-								    exact_match;
-								matched++;
-							}
-						}
-					}
-				if (!matched)
-					vector_slot(v, i) = NULL;
-			}
-		}
-	return match_type;
-}
-
-/* Check ambiguous match */
-static int
-is_cmd_ambiguous(char *command, vector v, int index, enum match_type type)
-{
-	unsigned int i;
-	unsigned int j;
-	const char *str = NULL;
-	struct cmd_element *cmd_element;
-	const char *matched = NULL;
-	vector descvec;
-	struct desc *desc;
-
-	for (i = 0; i < vector_active(v); i++)
-		if ((cmd_element = vector_slot(v, i)) != NULL) {
-			int match = 0;
-
-			descvec = vector_slot(cmd_element->strvec, index);
-
-			for (j = 0; j < vector_active(descvec); j++)
-				if ((desc = vector_slot(descvec, j))) {
-					enum match_type ret;
-
-					str = desc->cmd;
-
-					switch (type) {
-					case exact_match:
-						if (!
-						    (CMD_OPTION(str)
-						     || CMD_VARIABLE(str))
-&& strcmp(command, str) == 0)
-							match++;
-						break;
-					case partly_match:
-						if (!
-						    (CMD_OPTION(str)
-						     || CMD_VARIABLE(str))
-&& strncmp(command, str, strlen(command)) == 0) {
-							if (matched
-							    && strcmp(matched,
-								      str) != 0)
-								return 1;	/* There is ambiguous match. */
-							else
-								matched = str;
-							match++;
-						}
-						break;
-					case range_match:
-						if (cmd_range_match
-						    (str, command)) {
-							if (matched
-							    && strcmp(matched,
-								      str) != 0)
-								return 1;
-							else
-								matched = str;
-							match++;
-						}
-						break;
-#ifdef HAVE_IPV6
-					case ipv6_match:
-						if (CMD_IPV6(str))
-							match++;
-						break;
-					case ipv6_prefix_match:
-						if ((ret =
-						     cmd_ipv6_prefix_match
-						     (command)) != no_match) {
-							if (ret == partly_match)
-								return 2;	/* There is incomplete match. */
-
-							match++;
-						}
-						break;
-#endif				/* HAVE_IPV6 */
-					case ipv4_match:
-						if (CMD_IPV4(str))
-							match++;
-						break;
-					case ipv4_prefix_match:
-						if ((ret =
-						     cmd_ipv4_prefix_match
-						     (command)) != no_match) {
-							if (ret == partly_match)
-								return 2;	/* There is incomplete match. */
-
-							match++;
-						}
-						break;
-					case extend_match:
-						if (CMD_OPTION(str)
-						    || CMD_VARIABLE(str))
-							match++;
-						break;
-					case no_match:
-					default:
-						break;
-					}
-				}
-			if (!match)
-				vector_slot(v, i) = NULL;
-		}
-	return 0;
-}
-
-/* If src matches dst return dst string, otherwise return NULL */
-static const char *cmd_entry_function(const char *src, const char *dst)
-{
-	/* Skip variable arguments. */
-	if (CMD_OPTION(dst) || CMD_VARIABLE(dst) || CMD_VARARG(dst) ||
-	    CMD_IPV4(dst) || CMD_IPV4_PREFIX(dst) || CMD_RANGE(dst))
-		return NULL;
-
-	/* In case of 'command \t', given src is NULL string. */
-	if (src == NULL)
-		return dst;
-
-	/* Matched with input string. */
-	if (strncmp(src, dst, strlen(src)) == 0)
-		return dst;
-
-	return NULL;
-}
-
-/* If src matches dst return dst string, otherwise return NULL */
-/* This version will return the dst string always if it is
-   CMD_VARIABLE for '?' key processing */
-static const char *cmd_entry_function_desc(const char *src, const char *dst)
-{
-	if (CMD_VARARG(dst))
-		return dst;
-
-	if (CMD_RANGE(dst)) {
-		if (cmd_range_match(dst, src))
-			return dst;
-		else
-			return NULL;
-	}
-#ifdef HAVE_IPV6
-	if (CMD_IPV6(dst)) {
-		if (cmd_ipv6_match(src))
-			return dst;
-		else
-			return NULL;
-	}
-
-	if (CMD_IPV6_PREFIX(dst)) {
-		if (cmd_ipv6_prefix_match(src))
-			return dst;
-		else
-			return NULL;
-	}
-#endif				/* HAVE_IPV6 */
-
-	if (CMD_IPV4(dst)) {
-		if (cmd_ipv4_match(src))
-			return dst;
-		else
-			return NULL;
-	}
-
-	if (CMD_IPV4_PREFIX(dst)) {
-		if (cmd_ipv4_prefix_match(src))
-			return dst;
-		else
-			return NULL;
-	}
-
-	/* Optional or variable commands always match on '?' */
-	if (CMD_OPTION(dst) || CMD_VARIABLE(dst))
-		return dst;
-
-	/* In case of 'command \t', given src is NULL string. */
-	if (src == NULL)
-		return dst;
-
-	if (strncmp(src, dst, strlen(src)) == 0)
-		return dst;
-	else
-		return NULL;
-}
-
-/* Check same string element existence.  If it isn't there return
-    1. */
-static int cmd_unique_string(vector v, const char *str)
-{
-	unsigned int i;
-	char *match;
-
-	for (i = 0; i < vector_active(v); i++)
-		if ((match = vector_slot(v, i)) != NULL)
-			if (strcmp(match, str) == 0)
-				return 0;
-	return 1;
-}
-
-/* Compare string to description vector.  If there is same string
-   return 1 else return 0. */
-static int desc_unique_string(vector v, const char *str)
-{
-	unsigned int i;
-	struct desc *desc;
-
-	for (i = 0; i < vector_active(v); i++)
-		if ((desc = vector_slot(v, i)) != NULL)
-			if (strcmp(desc->cmd, str) == 0)
-				return 1;
-	return 0;
-}
-
-static int cmd_try_do_shortcut(enum node_type node, char *first_word)
-{
-	if (first_word != NULL &&
-	    node != AUTH_NODE &&
-	    node != VIEW_NODE &&
-	    node != AUTH_ENABLE_NODE &&
-	    node != ENABLE_NODE && 0 == strcmp("do", first_word))
-		return 1;
-	return 0;
-}
-
-/* '?' describe command support. */
-static vector
-cmd_describe_command_real(vector vline, struct vty *vty, int *status)
-{
-	unsigned int i;
-	vector cmd_vector;
-#define INIT_MATCHVEC_SIZE 10
-	vector matchvec;
-	struct cmd_element *cmd_element;
-	unsigned int index;
-	int ret;
-	enum match_type match;
-	char *command;
-	static struct desc desc_cr = { "<cr>", "" };
-
-	/* Set index. */
-	if (vector_active(vline) == 0) {
-		*status = CMD_ERR_NO_MATCH;
-		return NULL;
-	} else
-		index = vector_active(vline) - 1;
-
-	/* Make copy vector of current node's command vector. */
-	cmd_vector = vector_copy(cmd_node_vector(cmdvec, vty->node));
-
-	/* Prepare match vector */
-	matchvec = vector_init(INIT_MATCHVEC_SIZE);
-
-	/* Filter commands. */
-	/* Only words precedes current word will be checked in this loop. */
-	for (i = 0; i < index; i++)
-		if ((command = vector_slot(vline, i))) {
-			match =
-			    cmd_filter_by_completion(command, cmd_vector, i);
-
-			if (match == vararg_match) {
-				struct cmd_element *cmd_element;
-				vector descvec;
-				unsigned int j, k;
-
-				for (j = 0; j < vector_active(cmd_vector); j++)
-					if ((cmd_element =
-					     vector_slot(cmd_vector, j)) != NULL
-					    &&
-					    (vector_active
-					     (cmd_element->strvec))) {
-						descvec =
-						    vector_slot(cmd_element->
-								strvec,
-								vector_active
-								(cmd_element->
-								 strvec) - 1);
-						for (k = 0;
-						     k < vector_active(descvec);
-						     k++) {
-							struct desc *desc =
-							    vector_slot(descvec,
-									k);
-							vector_set(matchvec,
-								   desc);
-						}
-					}
-
-				vector_set(matchvec, &desc_cr);
-				vector_free(cmd_vector);
-
-				return matchvec;
-			}
-
-			if ((ret =
-			     is_cmd_ambiguous(command, cmd_vector, i,
-					      match)) == 1) {
-				vector_free(cmd_vector);
-				*status = CMD_ERR_AMBIGUOUS;
-				return NULL;
-			} else if (ret == 2) {
-				vector_free(cmd_vector);
-				*status = CMD_ERR_NO_MATCH;
-				return NULL;
-			}
-		}
-
-	/* Prepare match vector */
-	/*  matchvec = vector_init (INIT_MATCHVEC_SIZE); */
-
-	/* Make sure that cmd_vector is filtered based on current word */
-	command = vector_slot(vline, index);
-	if (command)
-		match = cmd_filter_by_completion(command, cmd_vector, index);
-
-	/* Make description vector. */
-	for (i = 0; i < vector_active(cmd_vector); i++)
-		if ((cmd_element = vector_slot(cmd_vector, i)) != NULL) {
-			const char *string = NULL;
-			vector strvec = cmd_element->strvec;
-
-			/* if command is NULL, index may be equal to vector_active */
-			if (command && index >= vector_active(strvec))
-				vector_slot(cmd_vector, i) = NULL;
-			else {
-				/* Check if command is completed. */
-				if (command == NULL
-				    && index == vector_active(strvec)) {
-					string = "<cr>";
-					if (!desc_unique_string
-					    (matchvec, string))
-						vector_set(matchvec, &desc_cr);
-				} else {
-					unsigned int j;
-					vector descvec =
-					    vector_slot(strvec, index);
-					struct desc *desc;
-
-					for (j = 0; j < vector_active(descvec);
-					     j++)
-						if ((desc =
-						     vector_slot(descvec, j))) {
-							string =
-							    cmd_entry_function_desc
-							    (command,
-							     desc->cmd);
-							if (string) {
-								/* Uniqueness check */
-								if (!desc_unique_string(matchvec, string))
-									vector_set
-									    (matchvec,
-									     desc);
-							}
-						}
-				}
-			}
-		}
-	vector_free(cmd_vector);
-
-	if (vector_slot(matchvec, 0) == NULL) {
-		vector_free(matchvec);
-		*status = CMD_ERR_NO_MATCH;
-	} else
-		*status = CMD_SUCCESS;
-
-	return matchvec;
-}
-
-vector cmd_describe_command(vector vline, struct vty * vty, int *status)
-{
-	vector ret;
-
-	if (cmd_try_do_shortcut(vty->node, vector_slot(vline, 0))) {
-		enum node_type onode;
-		vector shifted_vline;
-		unsigned int index;
-
-		onode = vty->node;
-		vty->node = ENABLE_NODE;
-		/* We can try it on enable node, cos' the vty is authenticated */
-
-		shifted_vline = vector_init(vector_count(vline));
-		/* use memcpy? */
-		for (index = 1; index < vector_active(vline); index++) {
-			vector_set_index(shifted_vline, index - 1,
-					 vector_lookup(vline, index));
-		}
-
-		ret = cmd_describe_command_real(shifted_vline, vty, status);
-
-		vector_free(shifted_vline);
-		vty->node = onode;
-		return ret;
-	}
-
-	return cmd_describe_command_real(vline, vty, status);
-}
-
-/* Check LCD of matched command. */
-static int cmd_lcd(char **matched)
-{
-	int i;
-	int j;
-	int lcd = -1;
-	char *s1, *s2;
-	char c1, c2;
-
-	if (matched[0] == NULL || matched[1] == NULL)
-		return 0;
-
-	for (i = 1; matched[i] != NULL; i++) {
-		s1 = matched[i - 1];
-		s2 = matched[i];
-
-		for (j = 0; (c1 = s1[j]) && (c2 = s2[j]); j++)
-			if (c1 != c2)
-				break;
-
-		if (lcd < 0)
-			lcd = j;
-		else {
-			if (lcd > j)
-				lcd = j;
-		}
-	}
-	return lcd;
-}
-
-/* Command line completion support. */
-static char **cmd_complete_command_real(vector vline, struct vty *vty,
-					int *status)
-{
-	unsigned int i;
-	vector cmd_vector = vector_copy(cmd_node_vector(cmdvec, vty->node));
-#define INIT_MATCHVEC_SIZE 10
-	vector matchvec;
-	struct cmd_element *cmd_element;
-	unsigned int index;
-	char **match_str;
-	struct desc *desc;
-	vector descvec;
-	char *command;
-	int lcd;
-
-	if (vector_active(vline) == 0) {
-		*status = CMD_ERR_NO_MATCH;
-		return NULL;
-	} else
-		index = vector_active(vline) - 1;
-
-	/* First, filter by preceeding command string */
-	for (i = 0; i < index; i++)
-		if ((command = vector_slot(vline, i))) {
-			enum match_type match;
-			int ret;
-
-			/* First try completion match, if there is exactly match return 1 */
-			match =
-			    cmd_filter_by_completion(command, cmd_vector, i);
-
-			/* If there is exact match then filter ambiguous match else check
-			   ambiguousness. */
-			if ((ret =
-			     is_cmd_ambiguous(command, cmd_vector, i,
-					      match)) == 1) {
-				vector_free(cmd_vector);
-				*status = CMD_ERR_AMBIGUOUS;
-				return NULL;
-			}
-			/*
-			   else if (ret == 2)
-			   {
-			   vector_free (cmd_vector);
-			   *status = CMD_ERR_NO_MATCH;
-			   return NULL;
-			   }
-			 */
-		}
-
-	/* Prepare match vector. */
-	matchvec = vector_init(INIT_MATCHVEC_SIZE);
-
-	/* Now we got into completion */
-	for (i = 0; i < vector_active(cmd_vector); i++)
-		if ((cmd_element = vector_slot(cmd_vector, i))) {
-			const char *string;
-			vector strvec = cmd_element->strvec;
-
-			/* Check field length */
-			if (index >= vector_active(strvec))
-				vector_slot(cmd_vector, i) = NULL;
-			else {
-				unsigned int j;
-
-				descvec = vector_slot(strvec, index);
-				for (j = 0; j < vector_active(descvec); j++)
-					if ((desc = vector_slot(descvec, j))) {
-						if ((string = cmd_entry_function(vector_slot(vline, index), desc->cmd)))
-							if (cmd_unique_string (matchvec, string))
-								vector_set (matchvec, talloc_strdup(tall_vty_cmd_ctx, string));
-					}
-			}
-		}
-
-	/* We don't need cmd_vector any more. */
-	vector_free(cmd_vector);
-
-	/* No matched command */
-	if (vector_slot(matchvec, 0) == NULL) {
-		vector_free(matchvec);
-
-		/* In case of 'command \t' pattern.  Do you need '?' command at
-		   the end of the line. */
-		if (vector_slot(vline, index) == '\0')
-			*status = CMD_ERR_NOTHING_TODO;
-		else
-			*status = CMD_ERR_NO_MATCH;
-		return NULL;
-	}
-
-	/* Only one matched */
-	if (vector_slot(matchvec, 1) == NULL) {
-		match_str = (char **)matchvec->index;
-		vector_only_wrapper_free(matchvec);
-		*status = CMD_COMPLETE_FULL_MATCH;
-		return match_str;
-	}
-	/* Make it sure last element is NULL. */
-	vector_set(matchvec, NULL);
-
-	/* Check LCD of matched strings. */
-	if (vector_slot(vline, index) != NULL) {
-		lcd = cmd_lcd((char **)matchvec->index);
-
-		if (lcd) {
-			int len = strlen(vector_slot(vline, index));
-
-			if (len < lcd) {
-				char *lcdstr;
-
-				lcdstr = _talloc_zero(tall_vty_cmd_ctx, lcd + 1,
-						      "complete-lcdstr");
-				memcpy(lcdstr, matchvec->index[0], lcd);
-				lcdstr[lcd] = '\0';
-
-				/* match_str = (char **) &lcdstr; */
-
-				/* Free matchvec. */
-				for (i = 0; i < vector_active(matchvec); i++) {
-					if (vector_slot(matchvec, i))
-						talloc_free(vector_slot(matchvec, i));
-				}
-				vector_free(matchvec);
-
-				/* Make new matchvec. */
-				matchvec = vector_init(INIT_MATCHVEC_SIZE);
-				vector_set(matchvec, lcdstr);
-				match_str = (char **)matchvec->index;
-				vector_only_wrapper_free(matchvec);
-
-				*status = CMD_COMPLETE_MATCH;
-				return match_str;
-			}
-		}
-	}
-
-	match_str = (char **)matchvec->index;
-	vector_only_wrapper_free(matchvec);
-	*status = CMD_COMPLETE_LIST_MATCH;
-	return match_str;
-}
-
-char **cmd_complete_command(vector vline, struct vty *vty, int *status)
-{
-	char **ret;
-
-	if (cmd_try_do_shortcut(vty->node, vector_slot(vline, 0))) {
-		enum node_type onode;
-		vector shifted_vline;
-		unsigned int index;
-
-		onode = vty->node;
-		vty->node = ENABLE_NODE;
-		/* We can try it on enable node, cos' the vty is authenticated */
-
-		shifted_vline = vector_init(vector_count(vline));
-		/* use memcpy? */
-		for (index = 1; index < vector_active(vline); index++) {
-			vector_set_index(shifted_vline, index - 1,
-					 vector_lookup(vline, index));
-		}
-
-		ret = cmd_complete_command_real(shifted_vline, vty, status);
-
-		vector_free(shifted_vline);
-		vty->node = onode;
-		return ret;
-	}
-
-	return cmd_complete_command_real(vline, vty, status);
-}
-
-/* return parent node */
-/* MUST eventually converge on CONFIG_NODE */
-enum node_type vty_go_parent(struct vty *vty)
-{
-	assert(vty->node > CONFIG_NODE);
-
-	switch (vty->node) {
-	case GSMNET_NODE:
-		vty->node = CONFIG_NODE;
-		vty->index = NULL;
-		break;
-	case BTS_NODE:
-		vty->node = GSMNET_NODE;
-		{
-			/* set vty->index correctly ! */
-			struct gsm_bts *bts = vty->index;
-			vty->index = bts->network;
-		}
-		break;
-	case TRX_NODE:
-		vty->node = BTS_NODE;
-		{
-			/* set vty->index correctly ! */
-			struct gsm_bts_trx *trx = vty->index;
-			vty->index = trx->bts;
-		}
-		break;
-	case TS_NODE:
-		vty->node = TRX_NODE;
-		{
-			/* set vty->index correctly ! */
-			struct gsm_bts_trx_ts *ts = vty->index;
-			vty->index = ts->trx;
-		}
-		break;
-	case SUBSCR_NODE:
-		vty->node = VIEW_NODE;
-		subscr_put(vty->index);
-		vty->index = NULL;
-		break;
-	default:
-		vty->node = CONFIG_NODE;
-	}
-
-	return vty->node;
-}
-
-/* Execute command by argument vline vector. */
-static int
-cmd_execute_command_real(vector vline, struct vty *vty,
-			 struct cmd_element **cmd)
-{
-	unsigned int i;
-	unsigned int index;
-	vector cmd_vector;
-	struct cmd_element *cmd_element;
-	struct cmd_element *matched_element;
-	unsigned int matched_count, incomplete_count;
-	int argc;
-	const char *argv[CMD_ARGC_MAX];
-	enum match_type match = 0;
-	int varflag;
-	char *command;
-
-	/* Make copy of command elements. */
-	cmd_vector = vector_copy(cmd_node_vector(cmdvec, vty->node));
-
-	for (index = 0; index < vector_active(vline); index++)
-		if ((command = vector_slot(vline, index))) {
-			int ret;
-
-			match =
-			    cmd_filter_by_completion(command, cmd_vector,
-						     index);
-
-			if (match == vararg_match)
-				break;
-
-			ret =
-			    is_cmd_ambiguous(command, cmd_vector, index, match);
-
-			if (ret == 1) {
-				vector_free(cmd_vector);
-				return CMD_ERR_AMBIGUOUS;
-			} else if (ret == 2) {
-				vector_free(cmd_vector);
-				return CMD_ERR_NO_MATCH;
-			}
-		}
-
-	/* Check matched count. */
-	matched_element = NULL;
-	matched_count = 0;
-	incomplete_count = 0;
-
-	for (i = 0; i < vector_active(cmd_vector); i++)
-		if ((cmd_element = vector_slot(cmd_vector, i))) {
-			if (match == vararg_match
-			    || index >= cmd_element->cmdsize) {
-				matched_element = cmd_element;
-#if 0
-				printf("DEBUG: %s\n", cmd_element->string);
-#endif
-				matched_count++;
-			} else {
-				incomplete_count++;
-			}
-		}
-
-	/* Finish of using cmd_vector. */
-	vector_free(cmd_vector);
-
-	/* To execute command, matched_count must be 1. */
-	if (matched_count == 0) {
-		if (incomplete_count)
-			return CMD_ERR_INCOMPLETE;
-		else
-			return CMD_ERR_NO_MATCH;
-	}
-
-	if (matched_count > 1)
-		return CMD_ERR_AMBIGUOUS;
-
-	/* Argument treatment */
-	varflag = 0;
-	argc = 0;
-
-	for (i = 0; i < vector_active(vline); i++) {
-		if (varflag)
-			argv[argc++] = vector_slot(vline, i);
-		else {
-			vector descvec =
-			    vector_slot(matched_element->strvec, i);
-
-			if (vector_active(descvec) == 1) {
-				struct desc *desc = vector_slot(descvec, 0);
-
-				if (CMD_VARARG(desc->cmd))
-					varflag = 1;
-
-				if (varflag || CMD_VARIABLE(desc->cmd)
-				    || CMD_OPTION(desc->cmd))
-					argv[argc++] = vector_slot(vline, i);
-			} else
-				argv[argc++] = vector_slot(vline, i);
-		}
-
-		if (argc >= CMD_ARGC_MAX)
-			return CMD_ERR_EXEED_ARGC_MAX;
-	}
-
-	/* For vtysh execution. */
-	if (cmd)
-		*cmd = matched_element;
-
-	if (matched_element->daemon)
-		return CMD_SUCCESS_DAEMON;
-
-	/* Execute matched command. */
-	return (*matched_element->func) (matched_element, vty, argc, argv);
-}
-
-int
-cmd_execute_command(vector vline, struct vty *vty, struct cmd_element **cmd,
-		    int vtysh)
-{
-	int ret, saved_ret, tried = 0;
-	enum node_type onode;
-	void *oindex;
-
-	onode = vty->node;
-	oindex = vty->index;
-
-	if (cmd_try_do_shortcut(vty->node, vector_slot(vline, 0))) {
-		vector shifted_vline;
-		unsigned int index;
-
-		vty->node = ENABLE_NODE;
-		/* We can try it on enable node, cos' the vty is authenticated */
-
-		shifted_vline = vector_init(vector_count(vline));
-		/* use memcpy? */
-		for (index = 1; index < vector_active(vline); index++) {
-			vector_set_index(shifted_vline, index - 1,
-					 vector_lookup(vline, index));
-		}
-
-		ret = cmd_execute_command_real(shifted_vline, vty, cmd);
-
-		vector_free(shifted_vline);
-		vty->node = onode;
-		return ret;
-	}
-
-	saved_ret = ret = cmd_execute_command_real(vline, vty, cmd);
-
-	if (vtysh)
-		return saved_ret;
-
-	/* This assumes all nodes above CONFIG_NODE are childs of CONFIG_NODE */
-	while (ret != CMD_SUCCESS && ret != CMD_WARNING
-	       && vty->node > CONFIG_NODE) {
-		vty_go_parent(vty);
-		ret = cmd_execute_command_real(vline, vty, cmd);
-		tried = 1;
-		if (ret == CMD_SUCCESS || ret == CMD_WARNING) {
-			/* succesfull command, leave the node as is */
-			return ret;
-		}
-	}
-	/* no command succeeded, reset the vty to the original node and
-	   return the error for this node */
-	if (tried) {
-		vty->node = onode;
-		vty->index = oindex;
-	}
-	return saved_ret;
-}
-
-/* Execute command by argument readline. */
-int
-cmd_execute_command_strict(vector vline, struct vty *vty,
-			   struct cmd_element **cmd)
-{
-	unsigned int i;
-	unsigned int index;
-	vector cmd_vector;
-	struct cmd_element *cmd_element;
-	struct cmd_element *matched_element;
-	unsigned int matched_count, incomplete_count;
-	int argc;
-	const char *argv[CMD_ARGC_MAX];
-	int varflag;
-	enum match_type match = 0;
-	char *command;
-
-	/* Make copy of command element */
-	cmd_vector = vector_copy(cmd_node_vector(cmdvec, vty->node));
-
-	for (index = 0; index < vector_active(vline); index++)
-		if ((command = vector_slot(vline, index))) {
-			int ret;
-
-			match = cmd_filter_by_string(vector_slot(vline, index),
-						     cmd_vector, index);
-
-			/* If command meets '.VARARG' then finish matching. */
-			if (match == vararg_match)
-				break;
-
-			ret =
-			    is_cmd_ambiguous(command, cmd_vector, index, match);
-			if (ret == 1) {
-				vector_free(cmd_vector);
-				return CMD_ERR_AMBIGUOUS;
-			}
-			if (ret == 2) {
-				vector_free(cmd_vector);
-				return CMD_ERR_NO_MATCH;
-			}
-		}
-
-	/* Check matched count. */
-	matched_element = NULL;
-	matched_count = 0;
-	incomplete_count = 0;
-	for (i = 0; i < vector_active(cmd_vector); i++)
-		if (vector_slot(cmd_vector, i) != NULL) {
-			cmd_element = vector_slot(cmd_vector, i);
-
-			if (match == vararg_match
-			    || index >= cmd_element->cmdsize) {
-				matched_element = cmd_element;
-				matched_count++;
-			} else
-				incomplete_count++;
-		}
-
-	/* Finish of using cmd_vector. */
-	vector_free(cmd_vector);
-
-	/* To execute command, matched_count must be 1. */
-	if (matched_count == 0) {
-		if (incomplete_count)
-			return CMD_ERR_INCOMPLETE;
-		else
-			return CMD_ERR_NO_MATCH;
-	}
-
-	if (matched_count > 1)
-		return CMD_ERR_AMBIGUOUS;
-
-	/* Argument treatment */
-	varflag = 0;
-	argc = 0;
-
-	for (i = 0; i < vector_active(vline); i++) {
-		if (varflag)
-			argv[argc++] = vector_slot(vline, i);
-		else {
-			vector descvec =
-			    vector_slot(matched_element->strvec, i);
-
-			if (vector_active(descvec) == 1) {
-				struct desc *desc = vector_slot(descvec, 0);
-
-				if (CMD_VARARG(desc->cmd))
-					varflag = 1;
-
-				if (varflag || CMD_VARIABLE(desc->cmd)
-				    || CMD_OPTION(desc->cmd))
-					argv[argc++] = vector_slot(vline, i);
-			} else
-				argv[argc++] = vector_slot(vline, i);
-		}
-
-		if (argc >= CMD_ARGC_MAX)
-			return CMD_ERR_EXEED_ARGC_MAX;
-	}
-
-	/* For vtysh execution. */
-	if (cmd)
-		*cmd = matched_element;
-
-	if (matched_element->daemon)
-		return CMD_SUCCESS_DAEMON;
-
-	/* Now execute matched command */
-	return (*matched_element->func) (matched_element, vty, argc, argv);
-}
-
-/* Configration make from file. */
-int config_from_file(struct vty *vty, FILE * fp)
-{
-	int ret;
-	vector vline;
-
-	while (fgets(vty->buf, VTY_BUFSIZ, fp)) {
-		vline = cmd_make_strvec(vty->buf);
-
-		/* In case of comment line */
-		if (vline == NULL)
-			continue;
-		/* Execute configuration command : this is strict match */
-		ret = cmd_execute_command_strict(vline, vty, NULL);
-
-		/* Try again with setting node to CONFIG_NODE */
-		while (ret != CMD_SUCCESS && ret != CMD_WARNING
-		       && ret != CMD_ERR_NOTHING_TODO
-		       && vty->node != CONFIG_NODE) {
-			vty_go_parent(vty);
-			ret = cmd_execute_command_strict(vline, vty, NULL);
-		}
-
-		cmd_free_strvec(vline);
-
-		if (ret != CMD_SUCCESS && ret != CMD_WARNING
-		    && ret != CMD_ERR_NOTHING_TODO)
-			return ret;
-	}
-	return CMD_SUCCESS;
-}
-
-/* Configration from terminal */
-DEFUN(config_terminal,
-      config_terminal_cmd,
-      "configure terminal",
-      "Configuration from vty interface\n" "Configuration terminal\n")
-{
-	if (vty_config_lock(vty))
-		vty->node = CONFIG_NODE;
-	else {
-		vty_out(vty, "VTY configuration is locked by other VTY%s",
-			VTY_NEWLINE);
-		return CMD_WARNING;
-	}
-	return CMD_SUCCESS;
-}
-
-/* Enable command */
-DEFUN(enable, config_enable_cmd, "enable", "Turn on privileged mode command\n")
-{
-	/* If enable password is NULL, change to ENABLE_NODE */
-	if ((host.enable == NULL && host.enable_encrypt == NULL) ||
-	    vty->type == VTY_SHELL_SERV)
-		vty->node = ENABLE_NODE;
-	else
-		vty->node = AUTH_ENABLE_NODE;
-
-	return CMD_SUCCESS;
-}
-
-/* Disable command */
-DEFUN(disable,
-      config_disable_cmd, "disable", "Turn off privileged mode command\n")
-{
-	if (vty->node == ENABLE_NODE)
-		vty->node = VIEW_NODE;
-	return CMD_SUCCESS;
-}
-
-/* Down vty node level. */
-gDEFUN(config_exit,
-      config_exit_cmd, "exit", "Exit current mode and down to previous mode\n")
-{
-	switch (vty->node) {
-	case VIEW_NODE:
-	case ENABLE_NODE:
-		if (0)		//vty_shell (vty))
-			exit(0);
-		else
-			vty->status = VTY_CLOSE;
-		break;
-	case CONFIG_NODE:
-		vty->node = ENABLE_NODE;
-		vty_config_unlock(vty);
-		break;
-	case VTY_NODE:
-		vty->node = CONFIG_NODE;
-		break;
-	default:
-		break;
-	}
-	return CMD_SUCCESS;
-}
-
-/* End of configuration. */
-    gDEFUN(config_end,
-      config_end_cmd, "end", "End current mode and change to enable mode.")
-{
-	switch (vty->node) {
-	case VIEW_NODE:
-	case ENABLE_NODE:
-		/* Nothing to do. */
-		break;
-	case CONFIG_NODE:
-	case VTY_NODE:
-		vty_config_unlock(vty);
-		vty->node = ENABLE_NODE;
-		break;
-	default:
-		break;
-	}
-	return CMD_SUCCESS;
-}
-
-/* Show version. */
-DEFUN(show_version,
-      show_version_cmd, "show version", SHOW_STR "Displays program version\n")
-{
-	vty_out(vty, "%s %s (%s).%s", host.prog_name, host.prog_version,
-		host.name ? host.name : "", VTY_NEWLINE);
-	vty_out(vty, "%s%s", host.prog_copyright, VTY_NEWLINE);
-
-	return CMD_SUCCESS;
-}
-
-/* Help display function for all node. */
-gDEFUN(config_help,
-      config_help_cmd, "help", "Description of the interactive help system\n")
-{
-	vty_out(vty,
-		"This VTY provides advanced help features.  When you need help,%s\
-anytime at the command line please press '?'.%s\
-%s\
-If nothing matches, the help list will be empty and you must backup%s\
- until entering a '?' shows the available options.%s\
-Two styles of help are provided:%s\
-1. Full help is available when you are ready to enter a%s\
-command argument (e.g. 'show ?') and describes each possible%s\
-argument.%s\
-2. Partial help is provided when an abbreviated argument is entered%s\
-   and you want to know what arguments match the input%s\
-   (e.g. 'show me?'.)%s%s", VTY_NEWLINE, VTY_NEWLINE, VTY_NEWLINE,
-		VTY_NEWLINE, VTY_NEWLINE, VTY_NEWLINE, VTY_NEWLINE, VTY_NEWLINE, VTY_NEWLINE, VTY_NEWLINE, VTY_NEWLINE, VTY_NEWLINE, VTY_NEWLINE);
-	return CMD_SUCCESS;
-}
-
-/* Help display function for all node. */
-gDEFUN(config_list, config_list_cmd, "list", "Print command list\n")
-{
-	unsigned int i;
-	struct cmd_node *cnode = vector_slot(cmdvec, vty->node);
-	struct cmd_element *cmd;
-
-	for (i = 0; i < vector_active(cnode->cmd_vector); i++)
-		if ((cmd = vector_slot(cnode->cmd_vector, i)) != NULL
-		    && !(cmd->attr == CMD_ATTR_DEPRECATED
-			 || cmd->attr == CMD_ATTR_HIDDEN))
-			vty_out(vty, "  %s%s", cmd->string, VTY_NEWLINE);
-	return CMD_SUCCESS;
-}
-
-/* Write current configuration into file. */
-DEFUN(config_write_file,
-      config_write_file_cmd,
-      "write file",
-      "Write running configuration to memory, network, or terminal\n"
-      "Write to configuration file\n")
-{
-	unsigned int i;
-	int fd;
-	struct cmd_node *node;
-	char *config_file;
-	char *config_file_tmp = NULL;
-	char *config_file_sav = NULL;
-	struct vty *file_vty;
-
-	/* Check and see if we are operating under vtysh configuration */
-	if (host.config == NULL) {
-		vty_out(vty, "Can't save to configuration file, using vtysh.%s",
-			VTY_NEWLINE);
-		return CMD_WARNING;
-	}
-
-	/* Get filename. */
-	config_file = host.config;
-
-	config_file_sav =
-	    _talloc_zero(tall_vty_cmd_ctx,
-			 strlen(config_file) + strlen(CONF_BACKUP_EXT) + 1,
-			 "config_file_sav");
-	strcpy(config_file_sav, config_file);
-	strcat(config_file_sav, CONF_BACKUP_EXT);
-
-	config_file_tmp = _talloc_zero(tall_vty_cmd_ctx, strlen(config_file) + 8,
-					"config_file_tmp");
-	sprintf(config_file_tmp, "%s.XXXXXX", config_file);
-
-	/* Open file to configuration write. */
-	fd = mkstemp(config_file_tmp);
-	if (fd < 0) {
-		vty_out(vty, "Can't open configuration file %s.%s",
-			config_file_tmp, VTY_NEWLINE);
-		talloc_free(config_file_tmp);
-		talloc_free(config_file_sav);
-		return CMD_WARNING;
-	}
-
-	/* Make vty for configuration file. */
-	file_vty = vty_new();
-	file_vty->fd = fd;
-	file_vty->type = VTY_FILE;
-
-	/* Config file header print. */
-	vty_out(file_vty, "!\n! %s (%s) configuration saved from vty\n!",
-		host.prog_name, host.prog_version);
-	//vty_time_print (file_vty, 1);
-	vty_out(file_vty, "!\n");
-
-	for (i = 0; i < vector_active(cmdvec); i++)
-		if ((node = vector_slot(cmdvec, i)) && node->func) {
-			if ((*node->func) (file_vty))
-				vty_out(file_vty, "!\n");
-		}
-	vty_close(file_vty);
-
-	if (unlink(config_file_sav) != 0)
-		if (errno != ENOENT) {
-			vty_out(vty,
-				"Can't unlink backup configuration file %s.%s",
-				config_file_sav, VTY_NEWLINE);
-			talloc_free(config_file_sav);
-			talloc_free(config_file_tmp);
-			unlink(config_file_tmp);
-			return CMD_WARNING;
-		}
-	if (link(config_file, config_file_sav) != 0) {
-		vty_out(vty, "Can't backup old configuration file %s.%s",
-			config_file_sav, VTY_NEWLINE);
-		talloc_free(config_file_sav);
-		talloc_free(config_file_tmp);
-		unlink(config_file_tmp);
-		return CMD_WARNING;
-	}
-	sync();
-	if (unlink(config_file) != 0) {
-		vty_out(vty, "Can't unlink configuration file %s.%s",
-			config_file, VTY_NEWLINE);
-		talloc_free(config_file_sav);
-		talloc_free(config_file_tmp);
-		unlink(config_file_tmp);
-		return CMD_WARNING;
-	}
-	if (link(config_file_tmp, config_file) != 0) {
-		vty_out(vty, "Can't save configuration file %s.%s", config_file,
-			VTY_NEWLINE);
-		talloc_free(config_file_sav);
-		talloc_free(config_file_tmp);
-		unlink(config_file_tmp);
-		return CMD_WARNING;
-	}
-	unlink(config_file_tmp);
-	sync();
-
-	talloc_free(config_file_sav);
-	talloc_free(config_file_tmp);
-
-	if (chmod(config_file, 0666 & ~CONFIGFILE_MASK) != 0) {
-		vty_out(vty, "Can't chmod configuration file %s: %s (%d).%s",
-			config_file, strerror(errno), errno, VTY_NEWLINE);
-		return CMD_WARNING;
-	}
-
-	vty_out(vty, "Configuration saved to %s%s", config_file, VTY_NEWLINE);
-	return CMD_SUCCESS;
-}
-
-ALIAS(config_write_file,
-      config_write_cmd,
-      "write", "Write running configuration to memory, network, or terminal\n")
-
-    ALIAS(config_write_file,
-      config_write_memory_cmd,
-      "write memory",
-      "Write running configuration to memory, network, or terminal\n"
-      "Write configuration to the file (same as write file)\n")
-
-    ALIAS(config_write_file,
-      copy_runningconfig_startupconfig_cmd,
-      "copy running-config startup-config",
-      "Copy configuration\n"
-      "Copy running config to... \n"
-      "Copy running config to startup config (same as write file)\n")
-
-/* Write current configuration into the terminal. */
-    DEFUN(config_write_terminal,
-      config_write_terminal_cmd,
-      "write terminal",
-      "Write running configuration to memory, network, or terminal\n"
-      "Write to terminal\n")
-{
-	unsigned int i;
-	struct cmd_node *node;
-
-	if (vty->type == VTY_SHELL_SERV) {
-		for (i = 0; i < vector_active(cmdvec); i++)
-			if ((node = vector_slot(cmdvec, i)) && node->func
-			    && node->vtysh) {
-				if ((*node->func) (vty))
-					vty_out(vty, "!%s", VTY_NEWLINE);
-			}
-	} else {
-		vty_out(vty, "%sCurrent configuration:%s", VTY_NEWLINE,
-			VTY_NEWLINE);
-		vty_out(vty, "!%s", VTY_NEWLINE);
-
-		for (i = 0; i < vector_active(cmdvec); i++)
-			if ((node = vector_slot(cmdvec, i)) && node->func) {
-				if ((*node->func) (vty))
-					vty_out(vty, "!%s", VTY_NEWLINE);
-			}
-		vty_out(vty, "end%s", VTY_NEWLINE);
-	}
-	return CMD_SUCCESS;
-}
-
-/* Write current configuration into the terminal. */
-ALIAS(config_write_terminal,
-      show_running_config_cmd,
-      "show running-config", SHOW_STR "running configuration\n")
-
-/* Write startup configuration into the terminal. */
-    DEFUN(show_startup_config,
-      show_startup_config_cmd,
-      "show startup-config", SHOW_STR "Contentes of startup configuration\n")
-{
-	char buf[BUFSIZ];
-	FILE *confp;
-
-	confp = fopen(host.config, "r");
-	if (confp == NULL) {
-		vty_out(vty, "Can't open configuration file [%s]%s",
-			host.config, VTY_NEWLINE);
-		return CMD_WARNING;
-	}
-
-	while (fgets(buf, BUFSIZ, confp)) {
-		char *cp = buf;
-
-		while (*cp != '\r' && *cp != '\n' && *cp != '\0')
-			cp++;
-		*cp = '\0';
-
-		vty_out(vty, "%s%s", buf, VTY_NEWLINE);
-	}
-
-	fclose(confp);
-
-	return CMD_SUCCESS;
-}
-
-/* Hostname configuration */
-DEFUN(config_hostname,
-      hostname_cmd,
-      "hostname WORD",
-      "Set system's network name\n" "This system's network name\n")
-{
-	if (!isalpha((int)*argv[0])) {
-		vty_out(vty, "Please specify string starting with alphabet%s",
-			VTY_NEWLINE);
-		return CMD_WARNING;
-	}
-
-	if (host.name)
-		talloc_free(host.name);
-
-	host.name = talloc_strdup(tall_vty_cmd_ctx, argv[0]);
-	return CMD_SUCCESS;
-}
-
-DEFUN(config_no_hostname,
-      no_hostname_cmd,
-      "no hostname [HOSTNAME]",
-      NO_STR "Reset system's network name\n" "Host name of this router\n")
-{
-	if (host.name)
-		talloc_free(host.name);
-	host.name = NULL;
-	return CMD_SUCCESS;
-}
-
-/* VTY interface password set. */
-DEFUN(config_password, password_cmd,
-      "password (8|) WORD",
-      "Assign the terminal connection password\n"
-      "Specifies a HIDDEN password will follow\n"
-      "dummy string \n" "The HIDDEN line password string\n")
-{
-	/* Argument check. */
-	if (argc == 0) {
-		vty_out(vty, "Please specify password.%s", VTY_NEWLINE);
-		return CMD_WARNING;
-	}
-
-	if (argc == 2) {
-		if (*argv[0] == '8') {
-			if (host.password)
-				talloc_free(host.password);
-			host.password = NULL;
-			if (host.password_encrypt)
-				talloc_free(host.password_encrypt);
-			host.password_encrypt = talloc_strdup(tall_vty_cmd_ctx, argv[1]);
-			return CMD_SUCCESS;
-		} else {
-			vty_out(vty, "Unknown encryption type.%s", VTY_NEWLINE);
-			return CMD_WARNING;
-		}
-	}
-
-	if (!isalnum((int)*argv[0])) {
-		vty_out(vty,
-			"Please specify string starting with alphanumeric%s",
-			VTY_NEWLINE);
-		return CMD_WARNING;
-	}
-
-	if (host.password)
-		talloc_free(host.password);
-	host.password = NULL;
-
-#ifdef VTY_CRYPT_PW
-	if (host.encrypt) {
-		if (host.password_encrypt)
-			talloc_free(host.password_encrypt);
-		host.password_encrypt = talloc_strdup(tall_vty_cmd_ctx, zencrypt(argv[0]));
-	} else
-#endif
-		host.password = talloc_strdup(tall_vty_cmd_ctx, argv[0]);
-
-	return CMD_SUCCESS;
-}
-
-ALIAS(config_password, password_text_cmd,
-      "password LINE",
-      "Assign the terminal connection password\n"
-      "The UNENCRYPTED (cleartext) line password\n")
-
-/* VTY enable password set. */
-    DEFUN(config_enable_password, enable_password_cmd,
-      "enable password (8|) WORD",
-      "Modify enable password parameters\n"
-      "Assign the privileged level password\n"
-      "Specifies a HIDDEN password will follow\n"
-      "dummy string \n" "The HIDDEN 'enable' password string\n")
-{
-	/* Argument check. */
-	if (argc == 0) {
-		vty_out(vty, "Please specify password.%s", VTY_NEWLINE);
-		return CMD_WARNING;
-	}
-
-	/* Crypt type is specified. */
-	if (argc == 2) {
-		if (*argv[0] == '8') {
-			if (host.enable)
-				talloc_free(host.enable);
-			host.enable = NULL;
-
-			if (host.enable_encrypt)
-				talloc_free(host.enable_encrypt);
-			host.enable_encrypt = talloc_strdup(tall_vty_cmd_ctx, argv[1]);
-
-			return CMD_SUCCESS;
-		} else {
-			vty_out(vty, "Unknown encryption type.%s", VTY_NEWLINE);
-			return CMD_WARNING;
-		}
-	}
-
-	if (!isalnum((int)*argv[0])) {
-		vty_out(vty,
-			"Please specify string starting with alphanumeric%s",
-			VTY_NEWLINE);
-		return CMD_WARNING;
-	}
-
-	if (host.enable)
-		talloc_free(host.enable);
-	host.enable = NULL;
-
-	/* Plain password input. */
-#ifdef VTY_CRYPT_PW
-	if (host.encrypt) {
-		if (host.enable_encrypt)
-			talloc_free(host.enable_encrypt);
-		host.enable_encrypt = talloc_strdup(tall_vty_cmd_ctx, zencrypt(argv[0]));
-	} else
-#endif
-		host.enable = talloc_strdup(tall_vty_cmd_ctx, argv[0]);
-
-	return CMD_SUCCESS;
-}
-
-ALIAS(config_enable_password,
-      enable_password_text_cmd,
-      "enable password LINE",
-      "Modify enable password parameters\n"
-      "Assign the privileged level password\n"
-      "The UNENCRYPTED (cleartext) 'enable' password\n")
-
-/* VTY enable password delete. */
-    DEFUN(no_config_enable_password, no_enable_password_cmd,
-      "no enable password",
-      NO_STR
-      "Modify enable password parameters\n"
-      "Assign the privileged level password\n")
-{
-	if (host.enable)
-		talloc_free(host.enable);
-	host.enable = NULL;
-
-	if (host.enable_encrypt)
-		talloc_free(host.enable_encrypt);
-	host.enable_encrypt = NULL;
-
-	return CMD_SUCCESS;
-}
-
-#ifdef VTY_CRYPT_PW
-DEFUN(service_password_encrypt,
-      service_password_encrypt_cmd,
-      "service password-encryption",
-      "Set up miscellaneous service\n" "Enable encrypted passwords\n")
-{
-	if (host.encrypt)
-		return CMD_SUCCESS;
-
-	host.encrypt = 1;
-
-	if (host.password) {
-		if (host.password_encrypt)
-			talloc_free(host.password_encrypt);
-		host.password_encrypt = talloc_strdup(tall_vty_cmd_ctx, zencrypt(host.password));
-	}
-	if (host.enable) {
-		if (host.enable_encrypt)
-			talloc_free(host.enable_encrypt);
-		host.enable_encrypt = talloc_strdup(tall_vty_cmd_ctx, zencrypt(host.enable));
-	}
-
-	return CMD_SUCCESS;
-}
-
-DEFUN(no_service_password_encrypt,
-      no_service_password_encrypt_cmd,
-      "no service password-encryption",
-      NO_STR "Set up miscellaneous service\n" "Enable encrypted passwords\n")
-{
-	if (!host.encrypt)
-		return CMD_SUCCESS;
-
-	host.encrypt = 0;
-
-	if (host.password_encrypt)
-		talloc_free(host.password_encrypt);
-	host.password_encrypt = NULL;
-
-	if (host.enable_encrypt)
-		talloc_free(host.enable_encrypt);
-	host.enable_encrypt = NULL;
-
-	return CMD_SUCCESS;
-}
-#endif
-
-DEFUN(config_terminal_length, config_terminal_length_cmd,
-      "terminal length <0-512>",
-      "Set terminal line parameters\n"
-      "Set number of lines on a screen\n"
-      "Number of lines on screen (0 for no pausing)\n")
-{
-	int lines;
-	char *endptr = NULL;
-
-	lines = strtol(argv[0], &endptr, 10);
-	if (lines < 0 || lines > 512 || *endptr != '\0') {
-		vty_out(vty, "length is malformed%s", VTY_NEWLINE);
-		return CMD_WARNING;
-	}
-	vty->lines = lines;
-
-	return CMD_SUCCESS;
-}
-
-DEFUN(config_terminal_no_length, config_terminal_no_length_cmd,
-      "terminal no length",
-      "Set terminal line parameters\n"
-      NO_STR "Set number of lines on a screen\n")
-{
-	vty->lines = -1;
-	return CMD_SUCCESS;
-}
-
-DEFUN(service_terminal_length, service_terminal_length_cmd,
-      "service terminal-length <0-512>",
-      "Set up miscellaneous service\n"
-      "System wide terminal length configuration\n"
-      "Number of lines of VTY (0 means no line control)\n")
-{
-	int lines;
-	char *endptr = NULL;
-
-	lines = strtol(argv[0], &endptr, 10);
-	if (lines < 0 || lines > 512 || *endptr != '\0') {
-		vty_out(vty, "length is malformed%s", VTY_NEWLINE);
-		return CMD_WARNING;
-	}
-	host.lines = lines;
-
-	return CMD_SUCCESS;
-}
-
-DEFUN(no_service_terminal_length, no_service_terminal_length_cmd,
-      "no service terminal-length [<0-512>]",
-      NO_STR
-      "Set up miscellaneous service\n"
-      "System wide terminal length configuration\n"
-      "Number of lines of VTY (0 means no line control)\n")
-{
-	host.lines = -1;
-	return CMD_SUCCESS;
-}
-
-DEFUN_HIDDEN(do_echo,
-	     echo_cmd,
-	     "echo .MESSAGE",
-	     "Echo a message back to the vty\n" "The message to echo\n")
-{
-	char *message;
-
-	vty_out(vty, "%s%s",
-		((message =
-		  argv_concat(argv, argc, 0)) ? message : ""), VTY_NEWLINE);
-	if (message)
-		talloc_free(message);
-	return CMD_SUCCESS;
-}
-
-#if 0
-DEFUN(config_logmsg,
-      config_logmsg_cmd,
-      "logmsg " LOG_LEVELS " .MESSAGE",
-      "Send a message to enabled logging destinations\n"
-      LOG_LEVEL_DESC "The message to send\n")
-{
-	int level;
-	char *message;
-
-	if ((level = level_match(argv[0])) == ZLOG_DISABLED)
-		return CMD_ERR_NO_MATCH;
-
-	zlog(NULL, level,
-	     ((message = argv_concat(argv, argc, 1)) ? message : ""));
-	if (message)
-		talloc_free(message);
-	return CMD_SUCCESS;
-}
-
-DEFUN(show_logging,
-      show_logging_cmd,
-      "show logging", SHOW_STR "Show current logging configuration\n")
-{
-	struct zlog *zl = zlog_default;
-
-	vty_out(vty, "Syslog logging: ");
-	if (zl->maxlvl[ZLOG_DEST_SYSLOG] == ZLOG_DISABLED)
-		vty_out(vty, "disabled");
-	else
-		vty_out(vty, "level %s, facility %s, ident %s",
-			zlog_priority[zl->maxlvl[ZLOG_DEST_SYSLOG]],
-			facility_name(zl->facility), zl->ident);
-	vty_out(vty, "%s", VTY_NEWLINE);
-
-	vty_out(vty, "Stdout logging: ");
-	if (zl->maxlvl[ZLOG_DEST_STDOUT] == ZLOG_DISABLED)
-		vty_out(vty, "disabled");
-	else
-		vty_out(vty, "level %s",
-			zlog_priority[zl->maxlvl[ZLOG_DEST_STDOUT]]);
-	vty_out(vty, "%s", VTY_NEWLINE);
-
-	vty_out(vty, "Monitor logging: ");
-	if (zl->maxlvl[ZLOG_DEST_MONITOR] == ZLOG_DISABLED)
-		vty_out(vty, "disabled");
-	else
-		vty_out(vty, "level %s",
-			zlog_priority[zl->maxlvl[ZLOG_DEST_MONITOR]]);
-	vty_out(vty, "%s", VTY_NEWLINE);
-
-	vty_out(vty, "File logging: ");
-	if ((zl->maxlvl[ZLOG_DEST_FILE] == ZLOG_DISABLED) || !zl->fp)
-		vty_out(vty, "disabled");
-	else
-		vty_out(vty, "level %s, filename %s",
-			zlog_priority[zl->maxlvl[ZLOG_DEST_FILE]],
-			zl->filename);
-	vty_out(vty, "%s", VTY_NEWLINE);
-
-	vty_out(vty, "Protocol name: %s%s",
-		zlog_proto_names[zl->protocol], VTY_NEWLINE);
-	vty_out(vty, "Record priority: %s%s",
-		(zl->record_priority ? "enabled" : "disabled"), VTY_NEWLINE);
-
-	return CMD_SUCCESS;
-}
-
-DEFUN(config_log_stdout,
-      config_log_stdout_cmd,
-      "log stdout", "Logging control\n" "Set stdout logging level\n")
-{
-	zlog_set_level(NULL, ZLOG_DEST_STDOUT, zlog_default->default_lvl);
-	return CMD_SUCCESS;
-}
-
-DEFUN(config_log_stdout_level,
-      config_log_stdout_level_cmd,
-      "log stdout " LOG_LEVELS,
-      "Logging control\n" "Set stdout logging level\n" LOG_LEVEL_DESC)
-{
-	int level;
-
-	if ((level = level_match(argv[0])) == ZLOG_DISABLED)
-		return CMD_ERR_NO_MATCH;
-	zlog_set_level(NULL, ZLOG_DEST_STDOUT, level);
-	return CMD_SUCCESS;
-}
-
-DEFUN(no_config_log_stdout,
-      no_config_log_stdout_cmd,
-      "no log stdout [LEVEL]",
-      NO_STR "Logging control\n" "Cancel logging to stdout\n" "Logging level\n")
-{
-	zlog_set_level(NULL, ZLOG_DEST_STDOUT, ZLOG_DISABLED);
-	return CMD_SUCCESS;
-}
-
-DEFUN(config_log_monitor,
-      config_log_monitor_cmd,
-      "log monitor",
-      "Logging control\n" "Set terminal line (monitor) logging level\n")
-{
-	zlog_set_level(NULL, ZLOG_DEST_MONITOR, zlog_default->default_lvl);
-	return CMD_SUCCESS;
-}
-
-DEFUN(config_log_monitor_level,
-      config_log_monitor_level_cmd,
-      "log monitor " LOG_LEVELS,
-      "Logging control\n"
-      "Set terminal line (monitor) logging level\n" LOG_LEVEL_DESC)
-{
-	int level;
-
-	if ((level = level_match(argv[0])) == ZLOG_DISABLED)
-		return CMD_ERR_NO_MATCH;
-	zlog_set_level(NULL, ZLOG_DEST_MONITOR, level);
-	return CMD_SUCCESS;
-}
-
-DEFUN(no_config_log_monitor,
-      no_config_log_monitor_cmd,
-      "no log monitor [LEVEL]",
-      NO_STR
-      "Logging control\n"
-      "Disable terminal line (monitor) logging\n" "Logging level\n")
-{
-	zlog_set_level(NULL, ZLOG_DEST_MONITOR, ZLOG_DISABLED);
-	return CMD_SUCCESS;
-}
-
-static int set_log_file(struct vty *vty, const char *fname, int loglevel)
-{
-	int ret;
-	char *p = NULL;
-	const char *fullpath;
-
-	/* Path detection. */
-	if (!IS_DIRECTORY_SEP(*fname)) {
-		char cwd[MAXPATHLEN + 1];
-		cwd[MAXPATHLEN] = '\0';
-
-		if (getcwd(cwd, MAXPATHLEN) == NULL) {
-			zlog_err("config_log_file: Unable to alloc mem!");
-			return CMD_WARNING;
-		}
-
-		if ((p = _talloc_zero(tall_vcmd_ctx,
-				      strlen(cwd) + strlen(fname) + 2),
-				      "set_log_file")
-		    == NULL) {
-			zlog_err("config_log_file: Unable to alloc mem!");
-			return CMD_WARNING;
-		}
-		sprintf(p, "%s/%s", cwd, fname);
-		fullpath = p;
-	} else
-		fullpath = fname;
-
-	ret = zlog_set_file(NULL, fullpath, loglevel);
-
-	if (p)
-		talloc_free(p);
-
-	if (!ret) {
-		vty_out(vty, "can't open logfile %s\n", fname);
-		return CMD_WARNING;
-	}
-
-	if (host.logfile)
-		talloc_free(host.logfile);
-
-	host.logfile = talloc_strdup(tall_vty_cmd_ctx, fname);
-
-	return CMD_SUCCESS;
-}
-
-DEFUN(config_log_file,
-      config_log_file_cmd,
-      "log file FILENAME",
-      "Logging control\n" "Logging to file\n" "Logging filename\n")
-{
-	return set_log_file(vty, argv[0], zlog_default->default_lvl);
-}
-
-DEFUN(config_log_file_level,
-      config_log_file_level_cmd,
-      "log file FILENAME " LOG_LEVELS,
-      "Logging control\n"
-      "Logging to file\n" "Logging filename\n" LOG_LEVEL_DESC)
-{
-	int level;
-
-	if ((level = level_match(argv[1])) == ZLOG_DISABLED)
-		return CMD_ERR_NO_MATCH;
-	return set_log_file(vty, argv[0], level);
-}
-
-DEFUN(no_config_log_file,
-      no_config_log_file_cmd,
-      "no log file [FILENAME]",
-      NO_STR
-      "Logging control\n" "Cancel logging to file\n" "Logging file name\n")
-{
-	zlog_reset_file(NULL);
-
-	if (host.logfile)
-		talloc_free(host.logfile);
-
-	host.logfile = NULL;
-
-	return CMD_SUCCESS;
-}
-
-ALIAS(no_config_log_file,
-      no_config_log_file_level_cmd,
-      "no log file FILENAME LEVEL",
-      NO_STR
-      "Logging control\n"
-      "Cancel logging to file\n" "Logging file name\n" "Logging level\n")
-
-    DEFUN(config_log_syslog,
-      config_log_syslog_cmd,
-      "log syslog", "Logging control\n" "Set syslog logging level\n")
-{
-	zlog_set_level(NULL, ZLOG_DEST_SYSLOG, zlog_default->default_lvl);
-	return CMD_SUCCESS;
-}
-
-DEFUN(config_log_syslog_level,
-      config_log_syslog_level_cmd,
-      "log syslog " LOG_LEVELS,
-      "Logging control\n" "Set syslog logging level\n" LOG_LEVEL_DESC)
-{
-	int level;
-
-	if ((level = level_match(argv[0])) == ZLOG_DISABLED)
-		return CMD_ERR_NO_MATCH;
-	zlog_set_level(NULL, ZLOG_DEST_SYSLOG, level);
-	return CMD_SUCCESS;
-}
-
-DEFUN_DEPRECATED(config_log_syslog_facility,
-		 config_log_syslog_facility_cmd,
-		 "log syslog facility " LOG_FACILITIES,
-		 "Logging control\n"
-		 "Logging goes to syslog\n"
-		 "(Deprecated) Facility parameter for syslog messages\n"
-		 LOG_FACILITY_DESC)
-{
-	int facility;
-
-	if ((facility = facility_match(argv[0])) < 0)
-		return CMD_ERR_NO_MATCH;
-
-	zlog_set_level(NULL, ZLOG_DEST_SYSLOG, zlog_default->default_lvl);
-	zlog_default->facility = facility;
-	return CMD_SUCCESS;
-}
-
-DEFUN(no_config_log_syslog,
-      no_config_log_syslog_cmd,
-      "no log syslog [LEVEL]",
-      NO_STR "Logging control\n" "Cancel logging to syslog\n" "Logging level\n")
-{
-	zlog_set_level(NULL, ZLOG_DEST_SYSLOG, ZLOG_DISABLED);
-	return CMD_SUCCESS;
-}
-
-ALIAS(no_config_log_syslog,
-      no_config_log_syslog_facility_cmd,
-      "no log syslog facility " LOG_FACILITIES,
-      NO_STR
-      "Logging control\n"
-      "Logging goes to syslog\n"
-      "Facility parameter for syslog messages\n" LOG_FACILITY_DESC)
-
-    DEFUN(config_log_facility,
-      config_log_facility_cmd,
-      "log facility " LOG_FACILITIES,
-      "Logging control\n"
-      "Facility parameter for syslog messages\n" LOG_FACILITY_DESC)
-{
-	int facility;
-
-	if ((facility = facility_match(argv[0])) < 0)
-		return CMD_ERR_NO_MATCH;
-	zlog_default->facility = facility;
-	return CMD_SUCCESS;
-}
-
-DEFUN(no_config_log_facility,
-      no_config_log_facility_cmd,
-      "no log facility [FACILITY]",
-      NO_STR
-      "Logging control\n"
-      "Reset syslog facility to default (daemon)\n" "Syslog facility\n")
-{
-	zlog_default->facility = LOG_DAEMON;
-	return CMD_SUCCESS;
-}
-
-DEFUN_DEPRECATED(config_log_trap,
-		 config_log_trap_cmd,
-		 "log trap " LOG_LEVELS,
-		 "Logging control\n"
-		 "(Deprecated) Set logging level and default for all destinations\n"
-		 LOG_LEVEL_DESC)
-{
-	int new_level;
-	int i;
-
-	if ((new_level = level_match(argv[0])) == ZLOG_DISABLED)
-		return CMD_ERR_NO_MATCH;
-
-	zlog_default->default_lvl = new_level;
-	for (i = 0; i < ZLOG_NUM_DESTS; i++)
-		if (zlog_default->maxlvl[i] != ZLOG_DISABLED)
-			zlog_default->maxlvl[i] = new_level;
-	return CMD_SUCCESS;
-}
-
-DEFUN_DEPRECATED(no_config_log_trap,
-		 no_config_log_trap_cmd,
-		 "no log trap [LEVEL]",
-		 NO_STR
-		 "Logging control\n"
-		 "Permit all logging information\n" "Logging level\n")
-{
-	zlog_default->default_lvl = LOG_DEBUG;
-	return CMD_SUCCESS;
-}
-
-DEFUN(config_log_record_priority,
-      config_log_record_priority_cmd,
-      "log record-priority",
-      "Logging control\n"
-      "Log the priority of the message within the message\n")
-{
-	zlog_default->record_priority = 1;
-	return CMD_SUCCESS;
-}
-
-DEFUN(no_config_log_record_priority,
-      no_config_log_record_priority_cmd,
-      "no log record-priority",
-      NO_STR
-      "Logging control\n"
-      "Do not log the priority of the message within the message\n")
-{
-	zlog_default->record_priority = 0;
-	return CMD_SUCCESS;
-}
-#endif
-
-DEFUN(banner_motd_file,
-      banner_motd_file_cmd,
-      "banner motd file [FILE]",
-      "Set banner\n" "Banner for motd\n" "Banner from a file\n" "Filename\n")
-{
-	if (host.motdfile)
-		talloc_free(host.motdfile);
-	host.motdfile = talloc_strdup(tall_vty_cmd_ctx, argv[0]);
-
-	return CMD_SUCCESS;
-}
-
-DEFUN(banner_motd_default,
-      banner_motd_default_cmd,
-      "banner motd default",
-      "Set banner string\n" "Strings for motd\n" "Default string\n")
-{
-	host.motd = default_motd;
-	return CMD_SUCCESS;
-}
-
-DEFUN(no_banner_motd,
-      no_banner_motd_cmd,
-      "no banner motd", NO_STR "Set banner string\n" "Strings for motd\n")
-{
-	host.motd = NULL;
-	if (host.motdfile)
-		talloc_free(host.motdfile);
-	host.motdfile = NULL;
-	return CMD_SUCCESS;
-}
-
-/* Set config filename.  Called from vty.c */
-void host_config_set(const char *filename)
-{
-	host.config = talloc_strdup(tall_vty_cmd_ctx, filename);
-}
-
-void install_default(enum node_type node)
-{
-	install_element(node, &config_help_cmd);
-	install_element(node, &config_list_cmd);
-
-	install_element(node, &config_write_terminal_cmd);
-	install_element(node, &config_write_file_cmd);
-	install_element(node, &config_write_memory_cmd);
-	install_element(node, &config_write_cmd);
-	install_element(node, &show_running_config_cmd);
-}
-
-/* Initialize command interface. Install basic nodes and commands. */
-void cmd_init(int terminal)
-{
-	/* Allocate initial top vector of commands. */
-	cmdvec = vector_init(VECTOR_MIN_SIZE);
-
-	/* Default host value settings. */
-	host.name = NULL;
-	host.password = NULL;
-	host.enable = NULL;
-	host.logfile = NULL;
-	host.config = NULL;
-	host.lines = -1;
-	host.motd = default_motd;
-	host.motdfile = NULL;
-
-	/* Install top nodes. */
-	install_node(&view_node, NULL);
-	install_node(&enable_node, NULL);
-	install_node(&auth_node, NULL);
-	install_node(&auth_enable_node, NULL);
-	install_node(&config_node, config_write_host);
-
-	/* Each node's basic commands. */
-	install_element(VIEW_NODE, &show_version_cmd);
-	if (terminal) {
-		install_element(VIEW_NODE, &config_list_cmd);
-		install_element(VIEW_NODE, &config_exit_cmd);
-		install_element(VIEW_NODE, &config_help_cmd);
-		install_element(VIEW_NODE, &config_enable_cmd);
-		install_element(VIEW_NODE, &config_terminal_length_cmd);
-		install_element(VIEW_NODE, &config_terminal_no_length_cmd);
-		install_element(VIEW_NODE, &echo_cmd);
-	}
-
-	if (terminal) {
-		install_element(ENABLE_NODE, &config_exit_cmd);
-		install_default(ENABLE_NODE);
-		install_element(ENABLE_NODE, &config_disable_cmd);
-		install_element(ENABLE_NODE, &config_terminal_cmd);
-		install_element (ENABLE_NODE, &copy_runningconfig_startupconfig_cmd);
-	}
-	install_element (ENABLE_NODE, &show_startup_config_cmd);
-	install_element(ENABLE_NODE, &show_version_cmd);
-
-	if (terminal) {
-		install_element(ENABLE_NODE, &config_terminal_length_cmd);
-		install_element(ENABLE_NODE, &config_terminal_no_length_cmd);
-		install_element(ENABLE_NODE, &echo_cmd);
-
-		install_default(CONFIG_NODE);
-		install_element(CONFIG_NODE, &config_exit_cmd);
-	}
-
-	install_element(CONFIG_NODE, &hostname_cmd);
-	install_element(CONFIG_NODE, &no_hostname_cmd);
-
-	if (terminal) {
-		install_element(CONFIG_NODE, &password_cmd);
-		install_element(CONFIG_NODE, &password_text_cmd);
-		install_element(CONFIG_NODE, &enable_password_cmd);
-		install_element(CONFIG_NODE, &enable_password_text_cmd);
-		install_element(CONFIG_NODE, &no_enable_password_cmd);
-
-#ifdef VTY_CRYPT_PW
-		install_element(CONFIG_NODE, &service_password_encrypt_cmd);
-		install_element(CONFIG_NODE, &no_service_password_encrypt_cmd);
-#endif
-		install_element(CONFIG_NODE, &banner_motd_default_cmd);
-		install_element(CONFIG_NODE, &banner_motd_file_cmd);
-		install_element(CONFIG_NODE, &no_banner_motd_cmd);
-		install_element(CONFIG_NODE, &service_terminal_length_cmd);
-		install_element(CONFIG_NODE, &no_service_terminal_length_cmd);
-
-	}
-	srand(time(NULL));
-}
diff --git a/openbsc/src/vty/utils.c b/openbsc/src/vty/utils.c
deleted file mode 100644
index d8dfb8e..0000000
--- a/openbsc/src/vty/utils.c
+++ /dev/null
@@ -1,50 +0,0 @@
-/* utility routines for printing common objects in the Osmocom world */
-
-/* (C) 2009-2010 by Harald Welte <laforge@gnumonks.org>
- *
- * 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 <stdint.h>
-#include <inttypes.h>
-
-#include <osmocore/linuxlist.h>
-#include <osmocore/talloc.h>
-#include <osmocore/timer.h>
-#include <osmocore/rate_ctr.h>
-
-#include <vty/vty.h>
-
-void vty_out_rate_ctr_group(struct vty *vty, const char *prefix,
-			    struct rate_ctr_group *ctrg)
-{
-	unsigned int i;
-
-	vty_out(vty, "%s%s:%s", prefix, ctrg->desc->group_description, VTY_NEWLINE);
-	for (i = 0; i < ctrg->desc->num_ctr; i++) {
-		struct rate_ctr *ctr = &ctrg->ctr[i];
-		vty_out(vty, " %s%s: %8" PRIu64 " "
-			"(%" PRIu64 "/s %" PRIu64 "/m %" PRIu64 "/h %" PRIu64 "/d)%s",
-			prefix, ctrg->desc->ctr_desc[i].description, ctr->current,
-			ctr->intv[RATE_CTR_INTV_SEC].rate,
-			ctr->intv[RATE_CTR_INTV_MIN].rate,
-			ctr->intv[RATE_CTR_INTV_HOUR].rate,
-			ctr->intv[RATE_CTR_INTV_DAY].rate,
-			VTY_NEWLINE);
-	};
-}
diff --git a/openbsc/src/vty/vector.c b/openbsc/src/vty/vector.c
deleted file mode 100644
index db47ae5..0000000
--- a/openbsc/src/vty/vector.c
+++ /dev/null
@@ -1,192 +0,0 @@
-/* Generic vector interface routine
- * Copyright (C) 1997 Kunihiro Ishiguro
- *
- * This file is part of GNU Zebra.
- *
- * GNU Zebra 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, or (at your option) any
- * later version.
- *
- * GNU Zebra 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 GNU Zebra; see the file COPYING.  If not, write to the Free
- * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
- * 02111-1307, USA.
- */
-
-#include <stdlib.h>
-#include <unistd.h>
-
-#include <vty/vector.h>
-#include <vty/vty.h>
-#include <osmocore/talloc.h>
-#include <memory.h>
-
-void *tall_vty_vec_ctx;
-
-/* Initialize vector : allocate memory and return vector. */
-vector vector_init(unsigned int size)
-{
-	vector v = talloc_zero(tall_vty_vec_ctx, struct _vector);
-	if (!v)
-		return NULL;
-
-	/* allocate at least one slot */
-	if (size == 0)
-		size = 1;
-
-	v->alloced = size;
-	v->active = 0;
-	v->index = _talloc_zero(tall_vty_vec_ctx, sizeof(void *) * size,
-				"vector_init:index");
-	if (!v->index) {
-		talloc_free(v);
-		return NULL;
-	}
-	return v;
-}
-
-void vector_only_wrapper_free(vector v)
-{
-	talloc_free(v);
-}
-
-void vector_only_index_free(void *index)
-{
-	talloc_free(index);
-}
-
-void vector_free(vector v)
-{
-	talloc_free(v->index);
-	talloc_free(v);
-}
-
-vector vector_copy(vector v)
-{
-	unsigned int size;
-	vector new = talloc_zero(tall_vty_vec_ctx, struct _vector);
-	if (!new)
-		return NULL;
-
-	new->active = v->active;
-	new->alloced = v->alloced;
-
-	size = sizeof(void *) * (v->alloced);
-	new->index = _talloc_zero(tall_vty_vec_ctx, size, "vector_copy:index");
-	if (!new->index) {
-		talloc_free(new);
-		return NULL;
-	}
-	memcpy(new->index, v->index, size);
-
-	return new;
-}
-
-/* Check assigned index, and if it runs short double index pointer */
-void vector_ensure(vector v, unsigned int num)
-{
-	if (v->alloced > num)
-		return;
-
-	v->index = talloc_realloc_size(tall_vty_vec_ctx, v->index,
-				       sizeof(void *) * (v->alloced * 2));
-	memset(&v->index[v->alloced], 0, sizeof(void *) * v->alloced);
-	v->alloced *= 2;
-
-	if (v->alloced <= num)
-		vector_ensure(v, num);
-}
-
-/* This function only returns next empty slot index.  It dose not mean
-   the slot's index memory is assigned, please call vector_ensure()
-   after calling this function. */
-int vector_empty_slot(vector v)
-{
-	unsigned int i;
-
-	if (v->active == 0)
-		return 0;
-
-	for (i = 0; i < v->active; i++)
-		if (v->index[i] == 0)
-			return i;
-
-	return i;
-}
-
-/* Set value to the smallest empty slot. */
-int vector_set(vector v, void *val)
-{
-	unsigned int i;
-
-	i = vector_empty_slot(v);
-	vector_ensure(v, i);
-
-	v->index[i] = val;
-
-	if (v->active <= i)
-		v->active = i + 1;
-
-	return i;
-}
-
-/* Set value to specified index slot. */
-int vector_set_index(vector v, unsigned int i, void *val)
-{
-	vector_ensure(v, i);
-
-	v->index[i] = val;
-
-	if (v->active <= i)
-		v->active = i + 1;
-
-	return i;
-}
-
-/* Look up vector.  */
-void *vector_lookup(vector v, unsigned int i)
-{
-	if (i >= v->active)
-		return NULL;
-	return v->index[i];
-}
-
-/* Lookup vector, ensure it. */
-void *vector_lookup_ensure(vector v, unsigned int i)
-{
-	vector_ensure(v, i);
-	return v->index[i];
-}
-
-/* Unset value at specified index slot. */
-void vector_unset(vector v, unsigned int i)
-{
-	if (i >= v->alloced)
-		return;
-
-	v->index[i] = NULL;
-
-	if (i + 1 == v->active) {
-		v->active--;
-		while (i && v->index[--i] == NULL && v->active--) ;	/* Is this ugly ? */
-	}
-}
-
-/* Count the number of not emplty slot. */
-unsigned int vector_count(vector v)
-{
-	unsigned int i;
-	unsigned count = 0;
-
-	for (i = 0; i < v->active; i++)
-		if (v->index[i] != NULL)
-			count++;
-
-	return count;
-}
diff --git a/openbsc/src/vty/vty.c b/openbsc/src/vty/vty.c
deleted file mode 100644
index 438b6c3..0000000
--- a/openbsc/src/vty/vty.c
+++ /dev/null
@@ -1,1685 +0,0 @@
-
-#include <stdio.h>
-#include <stdarg.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-#include <errno.h>
-#include <ctype.h>
-#include <termios.h>
-
-#include <sys/utsname.h>
-#include <sys/param.h>
-
-#include <arpa/telnet.h>
-
-#include <vty/vty.h>
-#include <vty/command.h>
-#include <vty/buffer.h>
-#include <osmocore/talloc.h>
-
-#define SYSCONFDIR "/usr/local/etc"
-
-/* our callback, located in telnet_interface.c */
-void vty_event(enum event event, int sock, struct vty *vty);
-
-extern struct host host;
-
-/* Vector which store each vty structure. */
-static vector vtyvec;
-
-vector Vvty_serv_thread;
-
-char *vty_cwd = NULL;
-
-/* Configure lock. */
-static int vty_config;
-
-static int no_password_check = 1;
-
-void *tall_vty_ctx;
-
-static void vty_clear_buf(struct vty *vty)
-{
-	memset(vty->buf, 0, vty->max);
-}
-
-/* Allocate new vty struct. */
-struct vty *vty_new()
-{
-	struct vty *new = talloc_zero(tall_vty_ctx, struct vty);
-
-	if (!new)
-		goto out;
-
-	new->obuf = buffer_new(new, 0);	/* Use default buffer size. */
-	if (!new->obuf)
-		goto out_new;
-	new->buf = _talloc_zero(new, VTY_BUFSIZ, "vty_new->buf");
-	if (!new->buf)
-		goto out_obuf;
-
-	new->max = VTY_BUFSIZ;
-
-	return new;
-
-out_obuf:
-	buffer_free(new->obuf);
-out_new:
-	talloc_free(new);
-	new = NULL;
-out:
-	return new;
-}
-
-/* Authentication of vty */
-static void vty_auth(struct vty *vty, char *buf)
-{
-	char *passwd = NULL;
-	enum node_type next_node = 0;
-	int fail;
-	char *crypt(const char *, const char *);
-
-	switch (vty->node) {
-	case AUTH_NODE:
-#ifdef VTY_CRYPT_PW
-		if (host.encrypt)
-			passwd = host.password_encrypt;
-		else
-#endif
-			passwd = host.password;
-		if (host.advanced)
-			next_node = host.enable ? VIEW_NODE : ENABLE_NODE;
-		else
-			next_node = VIEW_NODE;
-		break;
-	case AUTH_ENABLE_NODE:
-#ifdef VTY_CRYPT_PW
-		if (host.encrypt)
-			passwd = host.enable_encrypt;
-		else
-#endif
-			passwd = host.enable;
-		next_node = ENABLE_NODE;
-		break;
-	}
-
-	if (passwd) {
-#ifdef VTY_CRYPT_PW
-		if (host.encrypt)
-			fail = strcmp(crypt(buf, passwd), passwd);
-		else
-#endif
-			fail = strcmp(buf, passwd);
-	} else
-		fail = 1;
-
-	if (!fail) {
-		vty->fail = 0;
-		vty->node = next_node;	/* Success ! */
-	} else {
-		vty->fail++;
-		if (vty->fail >= 3) {
-			if (vty->node == AUTH_NODE) {
-				vty_out(vty,
-					"%% Bad passwords, too many failures!%s",
-					VTY_NEWLINE);
-				vty->status = VTY_CLOSE;
-			} else {
-				/* AUTH_ENABLE_NODE */
-				vty->fail = 0;
-				vty_out(vty,
-					"%% Bad enable passwords, too many failures!%s",
-					VTY_NEWLINE);
-				vty->node = VIEW_NODE;
-			}
-		}
-	}
-}
-
-/* Close vty interface. */
-void vty_close(struct vty *vty)
-{
-	int i;
-
-	if (vty->obuf)  {
-		/* Flush buffer. */
-		buffer_flush_all(vty->obuf, vty->fd);
-
-		/* Free input buffer. */
-		buffer_free(vty->obuf);
-		vty->obuf = NULL;
-	}
-
-	/* Free command history. */
-	for (i = 0; i < VTY_MAXHIST; i++)
-		if (vty->hist[i])
-			talloc_free(vty->hist[i]);
-
-	/* Unset vector. */
-	vector_unset(vtyvec, vty->fd);
-
-	/* Close socket. */
-	if (vty->fd > 0)
-		close(vty->fd);
-
-	if (vty->buf) {
-		talloc_free(vty->buf);
-		vty->buf = NULL;
-	}
-
-	/* Check configure. */
-	vty_config_unlock(vty);
-
-	/* VTY_CLOSED is handled by the telnet_interface */
-	vty_event(VTY_CLOSED, vty->fd, vty);
-
-	/* OK free vty. */
-	talloc_free(vty);
-}
-
-int vty_shell(struct vty *vty)
-{
-	return vty->type == VTY_SHELL ? 1 : 0;
-}
-
-
-/* VTY standard output function. */
-int vty_out(struct vty *vty, const char *format, ...)
-{
-	va_list args;
-	int len = 0;
-	int size = 1024;
-	char buf[1024];
-	char *p = NULL;
-
-	if (vty_shell(vty)) {
-		va_start(args, format);
-		vprintf(format, args);
-		va_end(args);
-	} else {
-		/* Try to write to initial buffer.  */
-		va_start(args, format);
-		len = vsnprintf(buf, sizeof buf, format, args);
-		va_end(args);
-
-		/* Initial buffer is not enough.  */
-		if (len < 0 || len >= size) {
-			while (1) {
-				if (len > -1)
-					size = len + 1;
-				else
-					size = size * 2;
-
-				p = talloc_realloc_size(vty, p, size);
-				if (!p)
-					return -1;
-
-				va_start(args, format);
-				len = vsnprintf(p, size, format, args);
-				va_end(args);
-
-				if (len > -1 && len < size)
-					break;
-			}
-		}
-
-		/* When initial buffer is enough to store all output.  */
-		if (!p)
-			p = buf;
-
-		/* Pointer p must point out buffer. */
-		buffer_put(vty->obuf, (u_char *) p, len);
-
-		/* If p is not different with buf, it is allocated buffer.  */
-		if (p != buf)
-			talloc_free(p);
-	}
-
-	vty_event(VTY_WRITE, vty->fd, vty);
-
-	return len;
-}
-
-int vty_out_newline(struct vty *vty)
-{
-	char *p = vty_newline(vty);
-	buffer_put(vty->obuf, p, strlen(p));
-	return 0;
-}
-
-int vty_config_lock(struct vty *vty)
-{
-	if (vty_config == 0) {
-		vty->config = 1;
-		vty_config = 1;
-	}
-	return vty->config;
-}
-
-int vty_config_unlock(struct vty *vty)
-{
-	if (vty_config == 1 && vty->config == 1) {
-		vty->config = 0;
-		vty_config = 0;
-	}
-	return vty->config;
-}
-
-/* Say hello to vty interface. */
-void vty_hello(struct vty *vty)
-{
-	if (host.motdfile) {
-		FILE *f;
-		char buf[4096];
-
-		f = fopen(host.motdfile, "r");
-		if (f) {
-			while (fgets(buf, sizeof(buf), f)) {
-				char *s;
-				/* work backwards to ignore trailling isspace() */
-				for (s = buf + strlen(buf);
-				     (s > buf) && isspace(*(s - 1)); s--) ;
-				*s = '\0';
-				vty_out(vty, "%s%s", buf, VTY_NEWLINE);
-			}
-			fclose(f);
-		} else
-			vty_out(vty, "MOTD file not found%s", VTY_NEWLINE);
-	} else if (host.motd)
-		vty_out(vty, "%s", host.motd);
-}
-
-/* Put out prompt and wait input from user. */
-static void vty_prompt(struct vty *vty)
-{
-	struct utsname names;
-	const char *hostname;
-
-	if (vty->type == VTY_TERM) {
-		hostname = host.name;
-		if (!hostname) {
-			uname(&names);
-			hostname = names.nodename;
-		}
-		vty_out(vty, cmd_prompt(vty->node), hostname);
-	}
-}
-
-/* Command execution over the vty interface. */
-static int vty_command(struct vty *vty, char *buf)
-{
-	int ret;
-	vector vline;
-
-	/* Split readline string up into the vector */
-	vline = cmd_make_strvec(buf);
-
-	if (vline == NULL)
-		return CMD_SUCCESS;
-
-	ret = cmd_execute_command(vline, vty, NULL, 0);
-	if (ret != CMD_SUCCESS)
-		switch (ret) {
-		case CMD_WARNING:
-			if (vty->type == VTY_FILE)
-				vty_out(vty, "Warning...%s", VTY_NEWLINE);
-			break;
-		case CMD_ERR_AMBIGUOUS:
-			vty_out(vty, "%% Ambiguous command.%s", VTY_NEWLINE);
-			break;
-		case CMD_ERR_NO_MATCH:
-			vty_out(vty, "%% Unknown command.%s", VTY_NEWLINE);
-			break;
-		case CMD_ERR_INCOMPLETE:
-			vty_out(vty, "%% Command incomplete.%s", VTY_NEWLINE);
-			break;
-		}
-	cmd_free_strvec(vline);
-
-	return ret;
-}
-
-static const char telnet_backward_char = 0x08;
-static const char telnet_space_char = ' ';
-
-/* Basic function to write buffer to vty. */
-static void vty_write(struct vty *vty, const char *buf, size_t nbytes)
-{
-	if ((vty->node == AUTH_NODE) || (vty->node == AUTH_ENABLE_NODE))
-		return;
-
-	/* Should we do buffering here ?  And make vty_flush (vty) ? */
-	buffer_put(vty->obuf, buf, nbytes);
-}
-
-/* Ensure length of input buffer.  Is buffer is short, double it. */
-static void vty_ensure(struct vty *vty, int length)
-{
-	if (vty->max <= length) {
-		vty->max *= 2;
-		vty->buf = talloc_realloc_size(vty, vty->buf, vty->max);
-		// FIXME: check return
-	}
-}
-
-/* Basic function to insert character into vty. */
-static void vty_self_insert(struct vty *vty, char c)
-{
-	int i;
-	int length;
-
-	vty_ensure(vty, vty->length + 1);
-	length = vty->length - vty->cp;
-	memmove(&vty->buf[vty->cp + 1], &vty->buf[vty->cp], length);
-	vty->buf[vty->cp] = c;
-
-	vty_write(vty, &vty->buf[vty->cp], length + 1);
-	for (i = 0; i < length; i++)
-		vty_write(vty, &telnet_backward_char, 1);
-
-	vty->cp++;
-	vty->length++;
-}
-
-/* Self insert character 'c' in overwrite mode. */
-static void vty_self_insert_overwrite(struct vty *vty, char c)
-{
-	vty_ensure(vty, vty->length + 1);
-	vty->buf[vty->cp++] = c;
-
-	if (vty->cp > vty->length)
-		vty->length++;
-
-	if ((vty->node == AUTH_NODE) || (vty->node == AUTH_ENABLE_NODE))
-		return;
-
-	vty_write(vty, &c, 1);
-}
-
-/* Insert a word into vty interface with overwrite mode. */
-static void vty_insert_word_overwrite(struct vty *vty, char *str)
-{
-	int len = strlen(str);
-	vty_write(vty, str, len);
-	strcpy(&vty->buf[vty->cp], str);
-	vty->cp += len;
-	vty->length = vty->cp;
-}
-
-/* Forward character. */
-static void vty_forward_char(struct vty *vty)
-{
-	if (vty->cp < vty->length) {
-		vty_write(vty, &vty->buf[vty->cp], 1);
-		vty->cp++;
-	}
-}
-
-/* Backward character. */
-static void vty_backward_char(struct vty *vty)
-{
-	if (vty->cp > 0) {
-		vty->cp--;
-		vty_write(vty, &telnet_backward_char, 1);
-	}
-}
-
-/* Move to the beginning of the line. */
-static void vty_beginning_of_line(struct vty *vty)
-{
-	while (vty->cp)
-		vty_backward_char(vty);
-}
-
-/* Move to the end of the line. */
-static void vty_end_of_line(struct vty *vty)
-{
-	while (vty->cp < vty->length)
-		vty_forward_char(vty);
-}
-
-/* Add current command line to the history buffer. */
-static void vty_hist_add(struct vty *vty)
-{
-	int index;
-
-	if (vty->length == 0)
-		return;
-
-	index = vty->hindex ? vty->hindex - 1 : VTY_MAXHIST - 1;
-
-	/* Ignore the same string as previous one. */
-	if (vty->hist[index])
-		if (strcmp(vty->buf, vty->hist[index]) == 0) {
-			vty->hp = vty->hindex;
-			return;
-		}
-
-	/* Insert history entry. */
-	if (vty->hist[vty->hindex])
-		talloc_free(vty->hist[vty->hindex]);
-	vty->hist[vty->hindex] = talloc_strdup(vty, vty->buf);
-
-	/* History index rotation. */
-	vty->hindex++;
-	if (vty->hindex == VTY_MAXHIST)
-		vty->hindex = 0;
-
-	vty->hp = vty->hindex;
-}
-
-/* Get telnet window size. */
-static int
-vty_telnet_option (struct vty *vty, unsigned char *buf, int nbytes)
-{
-#ifdef TELNET_OPTION_DEBUG
-  int i;
-
-  for (i = 0; i < nbytes; i++)
-    {
-      switch (buf[i])
-	{
-	case IAC:
-	  vty_out (vty, "IAC ");
-	  break;
-	case WILL:
-	  vty_out (vty, "WILL ");
-	  break;
-	case WONT:
-	  vty_out (vty, "WONT ");
-	  break;
-	case DO:
-	  vty_out (vty, "DO ");
-	  break;
-	case DONT:
-	  vty_out (vty, "DONT ");
-	  break;
-	case SB:
-	  vty_out (vty, "SB ");
-	  break;
-	case SE:
-	  vty_out (vty, "SE ");
-	  break;
-	case TELOPT_ECHO:
-	  vty_out (vty, "TELOPT_ECHO %s", VTY_NEWLINE);
-	  break;
-	case TELOPT_SGA:
-	  vty_out (vty, "TELOPT_SGA %s", VTY_NEWLINE);
-	  break;
-	case TELOPT_NAWS:
-	  vty_out (vty, "TELOPT_NAWS %s", VTY_NEWLINE);
-	  break;
-	default:
-	  vty_out (vty, "%x ", buf[i]);
-	  break;
-	}
-    }
-  vty_out (vty, "%s", VTY_NEWLINE);
-
-#endif /* TELNET_OPTION_DEBUG */
-
-  switch (buf[0])
-    {
-    case SB:
-      vty->sb_len = 0;
-      vty->iac_sb_in_progress = 1;
-      return 0;
-      break;
-    case SE:
-      {
-	if (!vty->iac_sb_in_progress)
-	  return 0;
-
-	if ((vty->sb_len == 0) || (vty->sb_buf[0] == '\0'))
-	  {
-	    vty->iac_sb_in_progress = 0;
-	    return 0;
-	  }
-	switch (vty->sb_buf[0])
-	  {
-	  case TELOPT_NAWS:
-	    if (vty->sb_len != TELNET_NAWS_SB_LEN)
-	      vty_out(vty,"RFC 1073 violation detected: telnet NAWS option "
-			"should send %d characters, but we received %lu",
-			TELNET_NAWS_SB_LEN, (u_long)vty->sb_len);
-	    else if (sizeof(vty->sb_buf) < TELNET_NAWS_SB_LEN)
-	      vty_out(vty, "Bug detected: sizeof(vty->sb_buf) %lu < %d, "
-		       "too small to handle the telnet NAWS option",
-		       (u_long)sizeof(vty->sb_buf), TELNET_NAWS_SB_LEN);
-	    else
-	      {
-		vty->width = ((vty->sb_buf[1] << 8)|vty->sb_buf[2]);
-		vty->height = ((vty->sb_buf[3] << 8)|vty->sb_buf[4]);
-#ifdef TELNET_OPTION_DEBUG
-		vty_out(vty, "TELNET NAWS window size negotiation completed: "
-			      "width %d, height %d%s",
-			vty->width, vty->height, VTY_NEWLINE);
-#endif
-	      }
-	    break;
-	  }
-	vty->iac_sb_in_progress = 0;
-	return 0;
-	break;
-      }
-    default:
-      break;
-    }
-  return 1;
-}
-
-/* Execute current command line. */
-static int vty_execute(struct vty *vty)
-{
-	int ret;
-
-	ret = CMD_SUCCESS;
-
-	switch (vty->node) {
-	case AUTH_NODE:
-	case AUTH_ENABLE_NODE:
-		vty_auth(vty, vty->buf);
-		break;
-	default:
-		ret = vty_command(vty, vty->buf);
-		if (vty->type == VTY_TERM)
-			vty_hist_add(vty);
-		break;
-	}
-
-	/* Clear command line buffer. */
-	vty->cp = vty->length = 0;
-	vty_clear_buf(vty);
-
-	if (vty->status != VTY_CLOSE)
-		vty_prompt(vty);
-
-	return ret;
-}
-
-/* Send WILL TELOPT_ECHO to remote server. */
-static void
-vty_will_echo (struct vty *vty)
-{
-	unsigned char cmd[] = { IAC, WILL, TELOPT_ECHO, '\0' };
-	vty_out (vty, "%s", cmd);
-}
-
-/* Make suppress Go-Ahead telnet option. */
-static void
-vty_will_suppress_go_ahead (struct vty *vty)
-{
-	unsigned char cmd[] = { IAC, WILL, TELOPT_SGA, '\0' };
-	vty_out (vty, "%s", cmd);
-}
-
-/* Make don't use linemode over telnet. */
-static void
-vty_dont_linemode (struct vty *vty)
-{
-	unsigned char cmd[] = { IAC, DONT, TELOPT_LINEMODE, '\0' };
-	vty_out (vty, "%s", cmd);
-}
-
-/* Use window size. */
-static void
-vty_do_window_size (struct vty *vty)
-{
-	unsigned char cmd[] = { IAC, DO, TELOPT_NAWS, '\0' };
-	vty_out (vty, "%s", cmd);
-}
-
-static void vty_kill_line_from_beginning(struct vty *);
-static void vty_redraw_line(struct vty *);
-
-/* Print command line history.  This function is called from
-   vty_next_line and vty_previous_line. */
-static void vty_history_print(struct vty *vty)
-{
-	int length;
-
-	vty_kill_line_from_beginning(vty);
-
-	/* Get previous line from history buffer */
-	length = strlen(vty->hist[vty->hp]);
-	memcpy(vty->buf, vty->hist[vty->hp], length);
-	vty->cp = vty->length = length;
-
-	/* Redraw current line */
-	vty_redraw_line(vty);
-}
-
-/* Show next command line history. */
-static void vty_next_line(struct vty *vty)
-{
-	int try_index;
-
-	if (vty->hp == vty->hindex)
-		return;
-
-	/* Try is there history exist or not. */
-	try_index = vty->hp;
-	if (try_index == (VTY_MAXHIST - 1))
-		try_index = 0;
-	else
-		try_index++;
-
-	/* If there is not history return. */
-	if (vty->hist[try_index] == NULL)
-		return;
-	else
-		vty->hp = try_index;
-
-	vty_history_print(vty);
-}
-
-/* Show previous command line history. */
-static void vty_previous_line(struct vty *vty)
-{
-	int try_index;
-
-	try_index = vty->hp;
-	if (try_index == 0)
-		try_index = VTY_MAXHIST - 1;
-	else
-		try_index--;
-
-	if (vty->hist[try_index] == NULL)
-		return;
-	else
-		vty->hp = try_index;
-
-	vty_history_print(vty);
-}
-
-/* This function redraw all of the command line character. */
-static void vty_redraw_line(struct vty *vty)
-{
-	vty_write(vty, vty->buf, vty->length);
-	vty->cp = vty->length;
-}
-
-/* Forward word. */
-static void vty_forward_word(struct vty *vty)
-{
-	while (vty->cp != vty->length && vty->buf[vty->cp] != ' ')
-		vty_forward_char(vty);
-
-	while (vty->cp != vty->length && vty->buf[vty->cp] == ' ')
-		vty_forward_char(vty);
-}
-
-/* Backward word without skipping training space. */
-static void vty_backward_pure_word(struct vty *vty)
-{
-	while (vty->cp > 0 && vty->buf[vty->cp - 1] != ' ')
-		vty_backward_char(vty);
-}
-
-/* Backward word. */
-static void vty_backward_word(struct vty *vty)
-{
-	while (vty->cp > 0 && vty->buf[vty->cp - 1] == ' ')
-		vty_backward_char(vty);
-
-	while (vty->cp > 0 && vty->buf[vty->cp - 1] != ' ')
-		vty_backward_char(vty);
-}
-
-/* When '^D' is typed at the beginning of the line we move to the down
-   level. */
-static void vty_down_level(struct vty *vty)
-{
-	vty_out(vty, "%s", VTY_NEWLINE);
-	/* FIXME: we need to call the exit function of the specific node
-	 * in question, not this generic one that doesn't know all nodes */
-	(*config_exit_cmd.func) (NULL, vty, 0, NULL);
-	vty_prompt(vty);
-	vty->cp = 0;
-}
-
-/* When '^Z' is received from vty, move down to the enable mode. */
-static void vty_end_config(struct vty *vty)
-{
-	vty_out(vty, "%s", VTY_NEWLINE);
-
-	/* FIXME: we need to call the exit function of the specific node
-	 * in question, not this generic one that doesn't know all nodes */
-	switch (vty->node) {
-	case VIEW_NODE:
-	case ENABLE_NODE:
-		/* Nothing to do. */
-		break;
-	case CONFIG_NODE:
-	case VTY_NODE:
-		vty_config_unlock(vty);
-		vty->node = ENABLE_NODE;
-		break;
-	default:
-		/* Unknown node, we have to ignore it. */
-		break;
-	}
-
-	vty_prompt(vty);
-	vty->cp = 0;
-}
-
-/* Delete a charcter at the current point. */
-static void vty_delete_char(struct vty *vty)
-{
-	int i;
-	int size;
-
-	if (vty->node == AUTH_NODE || vty->node == AUTH_ENABLE_NODE)
-		return;
-
-	if (vty->length == 0) {
-		vty_down_level(vty);
-		return;
-	}
-
-	if (vty->cp == vty->length)
-		return;		/* completion need here? */
-
-	size = vty->length - vty->cp;
-
-	vty->length--;
-	memmove(&vty->buf[vty->cp], &vty->buf[vty->cp + 1], size - 1);
-	vty->buf[vty->length] = '\0';
-
-	vty_write(vty, &vty->buf[vty->cp], size - 1);
-	vty_write(vty, &telnet_space_char, 1);
-
-	for (i = 0; i < size; i++)
-		vty_write(vty, &telnet_backward_char, 1);
-}
-
-/* Delete a character before the point. */
-static void vty_delete_backward_char(struct vty *vty)
-{
-	if (vty->cp == 0)
-		return;
-
-	vty_backward_char(vty);
-	vty_delete_char(vty);
-}
-
-/* Kill rest of line from current point. */
-static void vty_kill_line(struct vty *vty)
-{
-	int i;
-	int size;
-
-	size = vty->length - vty->cp;
-
-	if (size == 0)
-		return;
-
-	for (i = 0; i < size; i++)
-		vty_write(vty, &telnet_space_char, 1);
-	for (i = 0; i < size; i++)
-		vty_write(vty, &telnet_backward_char, 1);
-
-	memset(&vty->buf[vty->cp], 0, size);
-	vty->length = vty->cp;
-}
-
-/* Kill line from the beginning. */
-static void vty_kill_line_from_beginning(struct vty *vty)
-{
-	vty_beginning_of_line(vty);
-	vty_kill_line(vty);
-}
-
-/* Delete a word before the point. */
-static void vty_forward_kill_word(struct vty *vty)
-{
-	while (vty->cp != vty->length && vty->buf[vty->cp] == ' ')
-		vty_delete_char(vty);
-	while (vty->cp != vty->length && vty->buf[vty->cp] != ' ')
-		vty_delete_char(vty);
-}
-
-/* Delete a word before the point. */
-static void vty_backward_kill_word(struct vty *vty)
-{
-	while (vty->cp > 0 && vty->buf[vty->cp - 1] == ' ')
-		vty_delete_backward_char(vty);
-	while (vty->cp > 0 && vty->buf[vty->cp - 1] != ' ')
-		vty_delete_backward_char(vty);
-}
-
-/* Transpose chars before or at the point. */
-static void vty_transpose_chars(struct vty *vty)
-{
-	char c1, c2;
-
-	/* If length is short or point is near by the beginning of line then
-	   return. */
-	if (vty->length < 2 || vty->cp < 1)
-		return;
-
-	/* In case of point is located at the end of the line. */
-	if (vty->cp == vty->length) {
-		c1 = vty->buf[vty->cp - 1];
-		c2 = vty->buf[vty->cp - 2];
-
-		vty_backward_char(vty);
-		vty_backward_char(vty);
-		vty_self_insert_overwrite(vty, c1);
-		vty_self_insert_overwrite(vty, c2);
-	} else {
-		c1 = vty->buf[vty->cp];
-		c2 = vty->buf[vty->cp - 1];
-
-		vty_backward_char(vty);
-		vty_self_insert_overwrite(vty, c1);
-		vty_self_insert_overwrite(vty, c2);
-	}
-}
-
-/* Do completion at vty interface. */
-static void vty_complete_command(struct vty *vty)
-{
-	int i;
-	int ret;
-	char **matched = NULL;
-	vector vline;
-
-	if (vty->node == AUTH_NODE || vty->node == AUTH_ENABLE_NODE)
-		return;
-
-	vline = cmd_make_strvec(vty->buf);
-	if (vline == NULL)
-		return;
-
-	/* In case of 'help \t'. */
-	if (isspace((int)vty->buf[vty->length - 1]))
-		vector_set(vline, '\0');
-
-	matched = cmd_complete_command(vline, vty, &ret);
-
-	cmd_free_strvec(vline);
-
-	vty_out(vty, "%s", VTY_NEWLINE);
-	switch (ret) {
-	case CMD_ERR_AMBIGUOUS:
-		vty_out(vty, "%% Ambiguous command.%s", VTY_NEWLINE);
-		vty_prompt(vty);
-		vty_redraw_line(vty);
-		break;
-	case CMD_ERR_NO_MATCH:
-		/* vty_out (vty, "%% There is no matched command.%s", VTY_NEWLINE); */
-		vty_prompt(vty);
-		vty_redraw_line(vty);
-		break;
-	case CMD_COMPLETE_FULL_MATCH:
-		vty_prompt(vty);
-		vty_redraw_line(vty);
-		vty_backward_pure_word(vty);
-		vty_insert_word_overwrite(vty, matched[0]);
-		vty_self_insert(vty, ' ');
-		talloc_free(matched[0]);
-		break;
-	case CMD_COMPLETE_MATCH:
-		vty_prompt(vty);
-		vty_redraw_line(vty);
-		vty_backward_pure_word(vty);
-		vty_insert_word_overwrite(vty, matched[0]);
-		talloc_free(matched[0]);
-		break;
-	case CMD_COMPLETE_LIST_MATCH:
-		for (i = 0; matched[i] != NULL; i++) {
-			if (i != 0 && ((i % 6) == 0))
-				vty_out(vty, "%s", VTY_NEWLINE);
-			vty_out(vty, "%-10s ", matched[i]);
-			talloc_free(matched[i]);
-		}
-		vty_out(vty, "%s", VTY_NEWLINE);
-
-		vty_prompt(vty);
-		vty_redraw_line(vty);
-		break;
-	case CMD_ERR_NOTHING_TODO:
-		vty_prompt(vty);
-		vty_redraw_line(vty);
-		break;
-	default:
-		break;
-	}
-	if (matched)
-		vector_only_index_free(matched);
-}
-
-static void
-vty_describe_fold(struct vty *vty, int cmd_width,
-		  unsigned int desc_width, struct desc *desc)
-{
-	char *buf;
-	const char *cmd, *p;
-	int pos;
-
-	cmd = desc->cmd[0] == '.' ? desc->cmd + 1 : desc->cmd;
-
-	if (desc_width <= 0) {
-		vty_out(vty, "  %-*s  %s%s", cmd_width, cmd, desc->str,
-			VTY_NEWLINE);
-		return;
-	}
-
-	buf = _talloc_zero(vty, strlen(desc->str) + 1, "describe_fold");
-	if (!buf)
-		return;
-
-	for (p = desc->str; strlen(p) > desc_width; p += pos + 1) {
-		for (pos = desc_width; pos > 0; pos--)
-			if (*(p + pos) == ' ')
-				break;
-
-		if (pos == 0)
-			break;
-
-		strncpy(buf, p, pos);
-		buf[pos] = '\0';
-		vty_out(vty, "  %-*s  %s%s", cmd_width, cmd, buf, VTY_NEWLINE);
-
-		cmd = "";
-	}
-
-	vty_out(vty, "  %-*s  %s%s", cmd_width, cmd, p, VTY_NEWLINE);
-
-	talloc_free(buf);
-}
-
-/* Describe matched command function. */
-static void vty_describe_command(struct vty *vty)
-{
-	int ret;
-	vector vline;
-	vector describe;
-	unsigned int i, width, desc_width;
-	struct desc *desc, *desc_cr = NULL;
-
-	vline = cmd_make_strvec(vty->buf);
-
-	/* In case of '> ?'. */
-	if (vline == NULL) {
-		vline = vector_init(1);
-		vector_set(vline, '\0');
-	} else if (isspace((int)vty->buf[vty->length - 1]))
-		vector_set(vline, '\0');
-
-	describe = cmd_describe_command(vline, vty, &ret);
-
-	vty_out(vty, "%s", VTY_NEWLINE);
-
-	/* Ambiguous error. */
-	switch (ret) {
-	case CMD_ERR_AMBIGUOUS:
-		cmd_free_strvec(vline);
-		vty_out(vty, "%% Ambiguous command.%s", VTY_NEWLINE);
-		vty_prompt(vty);
-		vty_redraw_line(vty);
-		return;
-		break;
-	case CMD_ERR_NO_MATCH:
-		cmd_free_strvec(vline);
-		vty_out(vty, "%% There is no matched command.%s", VTY_NEWLINE);
-		vty_prompt(vty);
-		vty_redraw_line(vty);
-		return;
-		break;
-	}
-
-	/* Get width of command string. */
-	width = 0;
-	for (i = 0; i < vector_active(describe); i++)
-		if ((desc = vector_slot(describe, i)) != NULL) {
-			unsigned int len;
-
-			if (desc->cmd[0] == '\0')
-				continue;
-
-			len = strlen(desc->cmd);
-			if (desc->cmd[0] == '.')
-				len--;
-
-			if (width < len)
-				width = len;
-		}
-
-	/* Get width of description string. */
-	desc_width = vty->width - (width + 6);
-
-	/* Print out description. */
-	for (i = 0; i < vector_active(describe); i++)
-		if ((desc = vector_slot(describe, i)) != NULL) {
-			if (desc->cmd[0] == '\0')
-				continue;
-
-			if (strcmp(desc->cmd, "<cr>") == 0) {
-				desc_cr = desc;
-				continue;
-			}
-
-			if (!desc->str)
-				vty_out(vty, "  %-s%s",
-					desc->cmd[0] ==
-					'.' ? desc->cmd + 1 : desc->cmd,
-					VTY_NEWLINE);
-			else if (desc_width >= strlen(desc->str))
-				vty_out(vty, "  %-*s  %s%s", width,
-					desc->cmd[0] ==
-					'.' ? desc->cmd + 1 : desc->cmd,
-					desc->str, VTY_NEWLINE);
-			else
-				vty_describe_fold(vty, width, desc_width, desc);
-
-#if 0
-			vty_out(vty, "  %-*s %s%s", width
-				desc->cmd[0] == '.' ? desc->cmd + 1 : desc->cmd,
-				desc->str ? desc->str : "", VTY_NEWLINE);
-#endif				/* 0 */
-		}
-
-	if ((desc = desc_cr)) {
-		if (!desc->str)
-			vty_out(vty, "  %-s%s",
-				desc->cmd[0] == '.' ? desc->cmd + 1 : desc->cmd,
-				VTY_NEWLINE);
-		else if (desc_width >= strlen(desc->str))
-			vty_out(vty, "  %-*s  %s%s", width,
-				desc->cmd[0] == '.' ? desc->cmd + 1 : desc->cmd,
-				desc->str, VTY_NEWLINE);
-		else
-			vty_describe_fold(vty, width, desc_width, desc);
-	}
-
-	cmd_free_strvec(vline);
-	vector_free(describe);
-
-	vty_prompt(vty);
-	vty_redraw_line(vty);
-}
-
-/* ^C stop current input and do not add command line to the history. */
-static void vty_stop_input(struct vty *vty)
-{
-	vty->cp = vty->length = 0;
-	vty_clear_buf(vty);
-	vty_out(vty, "%s", VTY_NEWLINE);
-
-	switch (vty->node) {
-	case VIEW_NODE:
-	case ENABLE_NODE:
-		/* Nothing to do. */
-		break;
-	case CONFIG_NODE:
-	case VTY_NODE:
-		vty_config_unlock(vty);
-		vty->node = ENABLE_NODE;
-		break;
-	default:
-		/* Unknown node, we have to ignore it. */
-		break;
-	}
-	vty_prompt(vty);
-
-	/* Set history pointer to the latest one. */
-	vty->hp = vty->hindex;
-}
-
-#define CONTROL(X)  ((X) - '@')
-#define VTY_NORMAL     0
-#define VTY_PRE_ESCAPE 1
-#define VTY_ESCAPE     2
-
-/* Escape character command map. */
-static void vty_escape_map(unsigned char c, struct vty *vty)
-{
-	switch (c) {
-	case ('A'):
-		vty_previous_line(vty);
-		break;
-	case ('B'):
-		vty_next_line(vty);
-		break;
-	case ('C'):
-		vty_forward_char(vty);
-		break;
-	case ('D'):
-		vty_backward_char(vty);
-		break;
-	default:
-		break;
-	}
-
-	/* Go back to normal mode. */
-	vty->escape = VTY_NORMAL;
-}
-
-/* Quit print out to the buffer. */
-static void vty_buffer_reset(struct vty *vty)
-{
-	buffer_reset(vty->obuf);
-	vty_prompt(vty);
-	vty_redraw_line(vty);
-}
-
-/* Read data via vty socket. */
-int vty_read(struct vty *vty)
-{
-	int i;
-	int nbytes;
-	unsigned char buf[VTY_READ_BUFSIZ];
-
-	int vty_sock = vty->fd;
-
-	/* Read raw data from socket */
-	if ((nbytes = read(vty->fd, buf, VTY_READ_BUFSIZ)) <= 0) {
-		if (nbytes < 0) {
-			if (ERRNO_IO_RETRY(errno)) {
-				vty_event(VTY_READ, vty_sock, vty);
-				return 0;
-			}
-		}
-		buffer_reset(vty->obuf);
-		vty->status = VTY_CLOSE;
-	}
-
-	for (i = 0; i < nbytes; i++) {
-		if (buf[i] == IAC) {
-			if (!vty->iac) {
-				vty->iac = 1;
-				continue;
-			} else {
-				vty->iac = 0;
-			}
-		}
-
-		if (vty->iac_sb_in_progress && !vty->iac) {
-			if (vty->sb_len < sizeof(vty->sb_buf))
-				vty->sb_buf[vty->sb_len] = buf[i];
-			vty->sb_len++;
-			continue;
-		}
-
-		if (vty->iac) {
-			/* In case of telnet command */
-			int ret = 0;
-			ret = vty_telnet_option(vty, buf + i, nbytes - i);
-			vty->iac = 0;
-			i += ret;
-			continue;
-		}
-
-		if (vty->status == VTY_MORE) {
-			switch (buf[i]) {
-			case CONTROL('C'):
-			case 'q':
-			case 'Q':
-				vty_buffer_reset(vty);
-				break;
-#if 0				/* More line does not work for "show ip bgp".  */
-			case '\n':
-			case '\r':
-				vty->status = VTY_MORELINE;
-				break;
-#endif
-			default:
-				break;
-			}
-			continue;
-		}
-
-		/* Escape character. */
-		if (vty->escape == VTY_ESCAPE) {
-			vty_escape_map(buf[i], vty);
-			continue;
-		}
-
-		/* Pre-escape status. */
-		if (vty->escape == VTY_PRE_ESCAPE) {
-			switch (buf[i]) {
-			case '[':
-				vty->escape = VTY_ESCAPE;
-				break;
-			case 'b':
-				vty_backward_word(vty);
-				vty->escape = VTY_NORMAL;
-				break;
-			case 'f':
-				vty_forward_word(vty);
-				vty->escape = VTY_NORMAL;
-				break;
-			case 'd':
-				vty_forward_kill_word(vty);
-				vty->escape = VTY_NORMAL;
-				break;
-			case CONTROL('H'):
-			case 0x7f:
-				vty_backward_kill_word(vty);
-				vty->escape = VTY_NORMAL;
-				break;
-			default:
-				vty->escape = VTY_NORMAL;
-				break;
-			}
-			continue;
-		}
-
-		switch (buf[i]) {
-		case CONTROL('A'):
-			vty_beginning_of_line(vty);
-			break;
-		case CONTROL('B'):
-			vty_backward_char(vty);
-			break;
-		case CONTROL('C'):
-			vty_stop_input(vty);
-			break;
-		case CONTROL('D'):
-			vty_delete_char(vty);
-			break;
-		case CONTROL('E'):
-			vty_end_of_line(vty);
-			break;
-		case CONTROL('F'):
-			vty_forward_char(vty);
-			break;
-		case CONTROL('H'):
-		case 0x7f:
-			vty_delete_backward_char(vty);
-			break;
-		case CONTROL('K'):
-			vty_kill_line(vty);
-			break;
-		case CONTROL('N'):
-			vty_next_line(vty);
-			break;
-		case CONTROL('P'):
-			vty_previous_line(vty);
-			break;
-		case CONTROL('T'):
-			vty_transpose_chars(vty);
-			break;
-		case CONTROL('U'):
-			vty_kill_line_from_beginning(vty);
-			break;
-		case CONTROL('W'):
-			vty_backward_kill_word(vty);
-			break;
-		case CONTROL('Z'):
-			vty_end_config(vty);
-			break;
-		case '\n':
-		case '\r':
-			vty_out(vty, "%s", VTY_NEWLINE);
-			vty_execute(vty);
-			break;
-		case '\t':
-			vty_complete_command(vty);
-			break;
-		case '?':
-			if (vty->node == AUTH_NODE
-			    || vty->node == AUTH_ENABLE_NODE)
-				vty_self_insert(vty, buf[i]);
-			else
-				vty_describe_command(vty);
-			break;
-		case '\033':
-			if (i + 1 < nbytes && buf[i + 1] == '[') {
-				vty->escape = VTY_ESCAPE;
-				i++;
-			} else
-				vty->escape = VTY_PRE_ESCAPE;
-			break;
-		default:
-			if (buf[i] > 31 && buf[i] < 127)
-				vty_self_insert(vty, buf[i]);
-			break;
-		}
-	}
-
-	/* Check status. */
-	if (vty->status == VTY_CLOSE)
-		vty_close(vty);
-	else {
-		vty_event(VTY_WRITE, vty_sock, vty);
-		vty_event(VTY_READ, vty_sock, vty);
-	}
-	return 0;
-}
-
-/* Read up configuration file */
-static int
-vty_read_file(FILE *confp, void *priv)
-{
-	int ret;
-	struct vty *vty;
-
-	vty = vty_new();
-	vty->fd = 0;
-	vty->type = VTY_FILE;
-	vty->node = CONFIG_NODE;
-	vty->priv = priv;
-
-	ret = config_from_file(vty, confp);
-
-	if (ret != CMD_SUCCESS) {
-		switch (ret) {
-		case CMD_ERR_AMBIGUOUS:
-			fprintf(stderr, "Ambiguous command.\n");
-			break;
-		case CMD_ERR_NO_MATCH:
-			fprintf(stderr, "There is no such command.\n");
-			break;
-		}
-		fprintf(stderr, "Error occurred during reading below "
-			"line:\n%s\n", vty->buf);
-		vty_close(vty);
-		return -EINVAL;
-	}
-
-	vty_close(vty);
-	return 0;
-}
-
-/* Create new vty structure. */
-struct vty *
-vty_create (int vty_sock, void *priv)
-{
-  struct vty *vty;
-
-	struct termios t;
-
-	tcgetattr(vty_sock, &t);
-	cfmakeraw(&t);
-	tcsetattr(vty_sock, TCSANOW, &t);
-
-  /* Allocate new vty structure and set up default values. */
-  vty = vty_new ();
-  vty->fd = vty_sock;
-  vty->priv = priv;
-  vty->type = VTY_TERM;
-  if (no_password_check)
-    {
-      if (host.advanced)
-	vty->node = ENABLE_NODE;
-      else
-	vty->node = VIEW_NODE;
-    }
-  else
-    vty->node = AUTH_NODE;
-  vty->fail = 0;
-  vty->cp = 0;
-  vty_clear_buf (vty);
-  vty->length = 0;
-  memset (vty->hist, 0, sizeof (vty->hist));
-  vty->hp = 0;
-  vty->hindex = 0;
-  vector_set_index (vtyvec, vty_sock, vty);
-  vty->status = VTY_NORMAL;
-  if (host.lines >= 0)
-    vty->lines = host.lines;
-  else
-    vty->lines = -1;
-
-  if (! no_password_check)
-    {
-      /* Vty is not available if password isn't set. */
-      if (host.password == NULL && host.password_encrypt == NULL)
-	{
-	  vty_out (vty, "Vty password is not set.%s", VTY_NEWLINE);
-	  vty->status = VTY_CLOSE;
-	  vty_close (vty);
-	  return NULL;
-	}
-    }
-
-  /* Say hello to the world. */
-  vty_hello (vty);
-  if (! no_password_check)
-    vty_out (vty, "%sUser Access Verification%s%s", VTY_NEWLINE, VTY_NEWLINE, VTY_NEWLINE);
-
-  /* Setting up terminal. */
-  vty_will_echo (vty);
-  vty_will_suppress_go_ahead (vty);
-
-  vty_dont_linemode (vty);
-  vty_do_window_size (vty);
-  /* vty_dont_lflow_ahead (vty); */
-
-  vty_prompt (vty);
-
-  /* Add read/write thread. */
-  vty_event (VTY_WRITE, vty_sock, vty);
-  vty_event (VTY_READ, vty_sock, vty);
-
-  return vty;
-}
-
-DEFUN(config_who, config_who_cmd, "who", "Display who is on vty\n")
-{
-	unsigned int i;
-	struct vty *v;
-
-	for (i = 0; i < vector_active(vtyvec); i++)
-		if ((v = vector_slot(vtyvec, i)) != NULL)
-			vty_out(vty, "%svty[%d] %s",
-				v->config ? "*" : " ", i, VTY_NEWLINE);
-	return CMD_SUCCESS;
-}
-
-/* Move to vty configuration mode. */
-DEFUN(line_vty,
-      line_vty_cmd,
-      "line vty", "Configure a terminal line\n" "Virtual terminal\n")
-{
-	vty->node = VTY_NODE;
-	return CMD_SUCCESS;
-}
-
-/* vty login. */
-DEFUN(vty_login, vty_login_cmd, "login", "Enable password checking\n")
-{
-	no_password_check = 0;
-	return CMD_SUCCESS;
-}
-
-DEFUN(no_vty_login,
-      no_vty_login_cmd, "no login", NO_STR "Enable password checking\n")
-{
-	no_password_check = 1;
-	return CMD_SUCCESS;
-}
-
-DEFUN(service_advanced_vty,
-      service_advanced_vty_cmd,
-      "service advanced-vty",
-      "Set up miscellaneous service\n" "Enable advanced mode vty interface\n")
-{
-	host.advanced = 1;
-	return CMD_SUCCESS;
-}
-
-DEFUN(no_service_advanced_vty,
-      no_service_advanced_vty_cmd,
-      "no service advanced-vty",
-      NO_STR
-      "Set up miscellaneous service\n" "Enable advanced mode vty interface\n")
-{
-	host.advanced = 0;
-	return CMD_SUCCESS;
-}
-
-DEFUN(terminal_monitor,
-      terminal_monitor_cmd,
-      "terminal monitor",
-      "Set terminal line parameters\n"
-      "Copy debug output to the current terminal line\n")
-{
-	vty->monitor = 1;
-	return CMD_SUCCESS;
-}
-
-DEFUN(terminal_no_monitor,
-      terminal_no_monitor_cmd,
-      "terminal no monitor",
-      "Set terminal line parameters\n"
-      NO_STR "Copy debug output to the current terminal line\n")
-{
-	vty->monitor = 0;
-	return CMD_SUCCESS;
-}
-
-DEFUN(show_history,
-      show_history_cmd,
-      "show history", SHOW_STR "Display the session command history\n")
-{
-	int index;
-
-	for (index = vty->hindex + 1; index != vty->hindex;) {
-		if (index == VTY_MAXHIST) {
-			index = 0;
-			continue;
-		}
-
-		if (vty->hist[index] != NULL)
-			vty_out(vty, "  %s%s", vty->hist[index], VTY_NEWLINE);
-
-		index++;
-	}
-
-	return CMD_SUCCESS;
-}
-
-/* Display current configuration. */
-static int vty_config_write(struct vty *vty)
-{
-	vty_out(vty, "line vty%s", VTY_NEWLINE);
-
-	/* login */
-	if (no_password_check)
-		vty_out(vty, " no login%s", VTY_NEWLINE);
-
-	vty_out(vty, "!%s", VTY_NEWLINE);
-
-	return CMD_SUCCESS;
-}
-
-struct cmd_node vty_node = {
-	VTY_NODE,
-	"%s(config-line)# ",
-	1,
-};
-
-/* Reset all VTY status. */
-void vty_reset()
-{
-	unsigned int i;
-	struct vty *vty;
-	struct thread *vty_serv_thread;
-
-	for (i = 0; i < vector_active(vtyvec); i++)
-		if ((vty = vector_slot(vtyvec, i)) != NULL) {
-			buffer_reset(vty->obuf);
-			vty->status = VTY_CLOSE;
-			vty_close(vty);
-		}
-
-	for (i = 0; i < vector_active(Vvty_serv_thread); i++)
-		if ((vty_serv_thread =
-		     vector_slot(Vvty_serv_thread, i)) != NULL) {
-			//thread_cancel (vty_serv_thread);
-			vector_slot(Vvty_serv_thread, i) = NULL;
-			close(i);
-		}
-}
-
-static void vty_save_cwd(void)
-{
-	char cwd[MAXPATHLEN];
-	char *c ;
-
-	c = getcwd(cwd, MAXPATHLEN);
-
-	if (!c) {
-		if (chdir(SYSCONFDIR) != 0)
-		    perror("chdir failed");
-		if (getcwd(cwd, MAXPATHLEN) == NULL)
-		    perror("getcwd failed");
-	}
-
-	vty_cwd = _talloc_zero(tall_vty_ctx, strlen(cwd) + 1, "save_cwd");
-	strcpy(vty_cwd, cwd);
-}
-
-char *vty_get_cwd()
-{
-	return vty_cwd;
-}
-
-int vty_shell_serv(struct vty *vty)
-{
-	return vty->type == VTY_SHELL_SERV ? 1 : 0;
-}
-
-void vty_init_vtysh()
-{
-	vtyvec = vector_init(VECTOR_MIN_SIZE);
-}
-
-extern void *tall_bsc_ctx;
-/* Install vty's own commands like `who' command. */
-void vty_init(const char *name, const char *version, const char *copyright)
-{
-	tall_vty_ctx = talloc_named_const(NULL, 0, "vty");
-	tall_vty_vec_ctx = talloc_named_const(tall_vty_ctx, 0, "vty_vector");
-	tall_vty_cmd_ctx = talloc_named_const(tall_vty_ctx, 0, "vty_command");
-
-	cmd_init(1);
-
-	host.prog_name = name;
-	host.prog_version = version;
-	host.prog_copyright = copyright;
-
-	/* For further configuration read, preserve current directory. */
-	vty_save_cwd();
-
-	vtyvec = vector_init(VECTOR_MIN_SIZE);
-
-	/* Install bgp top node. */
-	install_node(&vty_node, vty_config_write);
-
-	install_element_ve(&config_who_cmd);
-	install_element_ve(&show_history_cmd);
-	install_element(CONFIG_NODE, &line_vty_cmd);
-	install_element(CONFIG_NODE, &service_advanced_vty_cmd);
-	install_element(CONFIG_NODE, &no_service_advanced_vty_cmd);
-	install_element(CONFIG_NODE, &show_history_cmd);
-	install_element(ENABLE_NODE, &terminal_monitor_cmd);
-	install_element(ENABLE_NODE, &terminal_no_monitor_cmd);
-
-	install_default(VTY_NODE);
-	install_element(VTY_NODE, &vty_login_cmd);
-	install_element(VTY_NODE, &no_vty_login_cmd);
-}
-
-int vty_read_config_file(const char *file_name, void *priv)
-{
-	FILE *cfile;
-	int rc;
-
-	cfile = fopen(file_name, "r");
-	if (!cfile)
-		return -ENOENT;
-
-	rc = vty_read_file(cfile, priv);
-	fclose(cfile);
-
-	host_config_set(file_name);
-
-	return rc;
-}
diff --git a/openbsc/src/vty_interface_layer3.c b/openbsc/src/vty_interface_layer3.c
index c18aef3..c23c1c2 100644
--- a/openbsc/src/vty_interface_layer3.c
+++ b/openbsc/src/vty_interface_layer3.c
@@ -23,9 +23,9 @@
 #include <unistd.h>
 #include <sys/types.h>
 
-#include <vty/command.h>
-#include <vty/buffer.h>
-#include <vty/vty.h>
+#include <osmocom/vty/command.h>
+#include <osmocom/vty/buffer.h>
+#include <osmocom/vty/vty.h>
 
 #include <arpa/inet.h>