266 lines
7.0 KiB
C
266 lines
7.0 KiB
C
/* Core SS7 Instance/Linkset/Link/AS/ASP VTY Interface */
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/* (C) 2015-2017 by Harald Welte <laforge@gnumonks.org>
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* All Rights Reserved
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*
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* SPDX-License-Identifier: GPL-2.0+
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include <stdlib.h>
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#include <unistd.h>
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#include <errno.h>
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#include <stdint.h>
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#include <string.h>
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#include <arpa/inet.h>
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#include <osmocom/vty/vty.h>
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#include <osmocom/vty/command.h>
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#include <osmocom/vty/logging.h>
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#include <osmocom/vty/telnet_interface.h>
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#include <osmocom/vty/misc.h>
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#include <osmocom/sigtran/osmo_ss7.h>
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#include <osmocom/sigtran/protocol/mtp.h>
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#include "xua_internal.h"
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#include "sccp_internal.h"
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static void show_user(struct vty *vty, struct osmo_sccp_user *user)
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{
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struct osmo_sccp_instance *sccp = user->inst;
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if (osmo_ss7_pc_is_valid(user->pc))
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vty_out(vty, "SSN %3u %7s : %s%s", user->ssn,
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osmo_ss7_pointcode_print(sccp->ss7, user->pc),
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user->name, VTY_NEWLINE);
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else
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vty_out(vty, "SSN %3u ANY : %s%s", user->ssn, user->name, VTY_NEWLINE);
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}
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DEFUN(show_sccp_users, show_sccp_users_cmd,
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"show cs7 instance <0-15> sccp users",
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SHOW_STR CS7_STR INST_STR INST_STR SCCP_STR
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"Show List of SCCP Users registered\n")
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{
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int id = atoi(argv[0]);
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struct osmo_ss7_instance *inst;
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struct osmo_sccp_instance *sccp;
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struct osmo_sccp_user *scu;
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inst = osmo_ss7_instance_find(id);
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if (!inst) {
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vty_out(vty, "No SS7 instance %d found%s", id, VTY_NEWLINE);
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return CMD_WARNING;
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}
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sccp = inst->sccp;
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if (!sccp) {
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vty_out(vty, "SS7 instance %d has no SCCP%s", id, VTY_NEWLINE);
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return CMD_WARNING;
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};
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llist_for_each_entry(scu, &sccp->users, list)
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show_user(vty, scu);
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return CMD_SUCCESS;
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}
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DEFUN(show_sccp_user_ssn, show_sccp_user_ssn_cmd,
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"show cs7 instance <0-15> sccp ssn <0-65535>",
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SHOW_STR CS7_STR INST_STR INST_STR SCCP_STR
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"Find an SCCP User registered for the given SSN\n"
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"Subsystem Number (SSN)\n")
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{
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int id = atoi(argv[0]);
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int ssn = atoi(argv[1]);
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struct osmo_ss7_instance *inst;
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struct osmo_sccp_instance *sccp;
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struct osmo_sccp_user *scu;
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inst = osmo_ss7_instance_find(id);
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if (!inst) {
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vty_out(vty, "No SS7 instance %d found%s", id, VTY_NEWLINE);
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return CMD_WARNING;
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}
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sccp = inst->sccp;
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if (!sccp) {
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vty_out(vty, "SS7 instance %d has no SCCP%s", id, VTY_NEWLINE);
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return CMD_WARNING;
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};
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scu = sccp_user_find(sccp, ssn, 0);
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if (!scu) {
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vty_out(vty, "Can't find SCCP User in instance %d%s", id, VTY_NEWLINE);
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return CMD_WARNING;
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}
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show_user(vty, scu);
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return CMD_SUCCESS;
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}
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DEFUN(show_sccp_connections, show_sccp_connections_cmd,
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"show cs7 instance <0-15> sccp connections",
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SHOW_STR CS7_STR INST_STR INST_STR SCCP_STR
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"Show List of active SCCP connections\n")
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{
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int id = atoi(argv[0]);
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struct osmo_ss7_instance *inst;
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struct osmo_sccp_instance *sccp;
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inst = osmo_ss7_instance_find(id);
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if (!inst) {
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vty_out(vty, "No SS7 instance %d found%s", id, VTY_NEWLINE);
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return CMD_WARNING;
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}
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sccp = inst->sccp;
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if (!sccp) {
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vty_out(vty, "SS7 instance %d has no SCCP%s", id, VTY_NEWLINE);
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return CMD_WARNING;
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};
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sccp_scoc_show_connections(vty, sccp);
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return CMD_SUCCESS;
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}
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/* sccp-timer <name> <1-999999>
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* (cmdstr and doc are dynamically generated from osmo_sccp_timer_names.) */
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DEFUN(sccp_timer, sccp_timer_cmd,
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NULL, NULL)
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{
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struct osmo_ss7_instance *ss7 = vty->index;
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enum osmo_sccp_timer timer = get_string_value(osmo_sccp_timer_names, argv[0]);
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struct osmo_sccp_timer_val set_val = { .s = atoi(argv[1]) };
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if (timer < 0 || timer >= OSMO_SCCP_TIMERS_COUNT) {
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vty_out(vty, "%% Invalid timer: %s%s", argv[0], VTY_NEWLINE);
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return CMD_WARNING;
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}
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osmo_ss7_ensure_sccp(ss7);
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if (!ss7->sccp) {
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vty_out(vty, "%% Error: cannot instantiate SCCP instance%s", VTY_NEWLINE);
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return CMD_WARNING;
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}
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ss7->sccp->timers[timer] = set_val;
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return CMD_SUCCESS;
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}
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static const char *osmo_sccp_timer_val_name(const struct osmo_sccp_timer_val *val)
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{
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static char buf[16];
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snprintf(buf, sizeof(buf), "%u", val->s);
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return buf;
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}
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static void gen_sccp_timer_cmd_strs(struct cmd_element *cmd)
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{
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int i;
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char *cmd_str = NULL;
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char *doc_str = NULL;
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OSMO_ASSERT(cmd->string == NULL);
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OSMO_ASSERT(cmd->doc == NULL);
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osmo_talloc_asprintf(tall_vty_ctx, cmd_str, "sccp-timer (");
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osmo_talloc_asprintf(tall_vty_ctx, doc_str,
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"Configure SCCP timer values, see ITU-T Q.714\n");
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for (i = 0; osmo_sccp_timer_names[i].str; i++) {
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const struct osmo_sccp_timer_val *def;
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enum osmo_sccp_timer timer;
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timer = osmo_sccp_timer_names[i].value;
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def = &osmo_sccp_timer_defaults[timer];
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OSMO_ASSERT(timer >= 0 && timer < OSMO_SCCP_TIMERS_COUNT);
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osmo_talloc_asprintf(tall_vty_ctx, cmd_str, "%s%s",
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i ? "|" : "",
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osmo_sccp_timer_name(timer));
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osmo_talloc_asprintf(tall_vty_ctx, doc_str, "%s (default: %s)\n",
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osmo_sccp_timer_description(timer),
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osmo_sccp_timer_val_name(def));
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}
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osmo_talloc_asprintf(tall_vty_ctx, cmd_str, ") <1-999999>");
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osmo_talloc_asprintf(tall_vty_ctx, doc_str,
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"Timer value, in seconds\n");
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cmd->string = cmd_str;
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cmd->doc = doc_str;
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}
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static void write_sccp_timers(struct vty *vty, const char *indent,
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struct osmo_sccp_instance *inst, bool default_if_unset)
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{
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int i;
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for (i = 0; i < ARRAY_SIZE(inst->timers); i++) {
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const struct osmo_sccp_timer_val *val = osmo_sccp_timer_get(inst, i, default_if_unset);
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if (!val)
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continue;
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vty_out(vty, "%ssccp-timer %s %s%s", indent, osmo_sccp_timer_name(i),
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osmo_sccp_timer_val_name(val), VTY_NEWLINE);
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}
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}
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void osmo_sccp_vty_write_cs7_node(struct vty *vty, const char *indent, struct osmo_sccp_instance *inst)
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{
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write_sccp_timers(vty, indent, inst, false);
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}
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DEFUN(show_sccp_timers, show_sccp_timers_cmd,
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"show cs7 instance <0-15> sccp timers",
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SHOW_STR CS7_STR INST_STR INST_STR
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"Signaling Connection Control Part\n"
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"Show List of SCCP timers\n")
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{
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int id = atoi(argv[0]);
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struct osmo_ss7_instance *ss7;
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ss7 = osmo_ss7_instance_find(id);
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if (!ss7) {
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vty_out(vty, "No SS7 instance %d found%s", id, VTY_NEWLINE);
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return CMD_WARNING;
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}
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if (!ss7->sccp) {
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vty_out(vty, "SS7 instance %d has no SCCP initialized%s", id, VTY_NEWLINE);
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return CMD_SUCCESS;
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}
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write_sccp_timers(vty, "", ss7->sccp, true);
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return CMD_SUCCESS;
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}
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void osmo_sccp_vty_init(void)
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{
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install_element_ve(&show_sccp_users_cmd);
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install_element_ve(&show_sccp_user_ssn_cmd);
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install_element_ve(&show_sccp_connections_cmd);
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install_element_ve(&show_sccp_timers_cmd);
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gen_sccp_timer_cmd_strs(&sccp_timer_cmd);
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install_element(L_CS7_NODE, &sccp_timer_cmd);
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}
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