SMPP: VTY configuration of SMPP code, authentication support

1 files changed, 308 insertions, 0 deletions

diff --git a/openbsc/src/libmsc/smpp_vty.c b/openbsc/src/libmsc/smpp_vty.c
new file mode 100644
index 000000000..ad496da79
--- /dev/null
+++ b/openbsc/src/libmsc/smpp_vty.c
@@ -0,0 +1,308 @@
+/* SMPP vty interface */
+
+/* (C) 2012 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 Affero General Public License as published by
+ * the Free Software Foundation; either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <string.h>
+#include <netdb.h>
+#include <sys/socket.h>
+
+#include <osmocom/vty/command.h>
+#include <osmocom/vty/buffer.h>
+#include <osmocom/vty/vty.h>
+
+#include <osmocom/core/linuxlist.h>
+#include <osmocom/core/utils.h>
+#include <osmocom/core/talloc.h>
+
+#include <openbsc/vty.h>
+
+#include "smpp_smsc.h"
+
+struct smsc *smsc_from_vty(struct vty *v);
+
+static struct cmd_node smpp_node = {
+	SMPP_NODE,
+	"%s(config-smpp)# ",
+	1,
+};
+
+static struct cmd_node esme_node = {
+	SMPP_ESME_NODE,
+	"%s(config-smpp-esme)# ",
+	1,
+};
+
+DEFUN(cfg_smpp, cfg_smpp_cmd,
+	"smpp", "Configure SMPP SMS Interface")
+{
+	vty->node = SMPP_NODE;
+
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_smpp_port, cfg_smpp_port_cmd,
+	"local-tcp-port <1-65535>",
+	"Set the local TCP port on which we listen for SMPP\n"
+	"TCP port number")
+{
+	struct smsc *smsc = smsc_from_vty(vty);
+	uint16_t port = atoi(argv[0]);
+	int rc;
+
+	rc = smpp_smsc_init(smsc, port);
+	if (rc < 0) {
+		vty_out(vty, "%% Cannot bind to new port %u nor to "
+			"old port %u%s", port, smsc->listen_port, VTY_NEWLINE);
+		return CMD_WARNING;
+	}
+
+	if (port != smsc->listen_port) {
+		vty_out(vty, "%% Cannot bind to new port %u, staying on old"
+			"port %u%s", port, smsc->listen_port, VTY_NEWLINE);
+		return CMD_WARNING;
+	}
+
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_smpp_sys_id, cfg_smpp_sys_id_cmd,
+	"system-id ID", "Set the System ID of this SMSC")
+{
+	struct smsc *smsc = smsc_from_vty(vty);
+
+	if (strlen(argv[0])+1 > sizeof(smsc->system_id))
+		return CMD_WARNING;
+
+	strcpy(smsc->system_id, argv[0]);
+
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_smpp_policy, cfg_smpp_policy_cmd,
+	"policy (accept-all|closed)",
+	"Set the authentication policy of this SMSC\n"
+	"Accept all SMPP connections independeint of system ID / passwd\n"
+	"Accept only SMPP connections from ESMEs explicitly configured")
+{
+	struct smsc *smsc = smsc_from_vty(vty);
+
+	if (!strcmp(argv[0], "accept-all"))
+		smsc->accept_all = 1;
+	else
+		smsc->accept_all = 0;
+
+	return CMD_SUCCESS;
+}
+
+
+static int config_write_smpp(struct vty *vty)
+{
+	struct smsc *smsc = smsc_from_vty(vty);
+
+	vty_out(vty, "smpp%s", VTY_NEWLINE);
+	vty_out(vty, " local-tcp-port %u%s", smsc->listen_port, VTY_NEWLINE);
+	vty_out(vty, " system-id %s%s", smsc->system_id, VTY_NEWLINE);
+	vty_out(vty, " policy %s%s",
+		smsc->accept_all ? "accept-all" : "closed", VTY_NEWLINE);
+
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_esme, cfg_esme_cmd,
+	"esme NAME", "Configure a particular ESME")
+{
+	struct smsc *smsc = smsc_from_vty(vty);
+	struct osmo_smpp_acl *acl;
+	const char *id = argv[0];
+
+	if (strlen(id) > 16) {
+		vty_out(vty, "%% System ID cannot be more than 16 "
+			"characters long%s", VTY_NEWLINE);
+		return CMD_WARNING;
+	}
+	acl = smpp_acl_by_system_id(smsc, id);
+	if (!acl) {
+		acl = smpp_acl_alloc(smsc, id);
+		if (!acl)
+			return CMD_WARNING;
+	}
+
+	vty->index = acl;
+	vty->index_sub = &acl->description;
+	vty->node = SMPP_ESME_NODE;
+
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_no_esme, cfg_no_esme_cmd,
+	"no esme NAME", NO_STR "Remove ESME configuration")
+{
+	struct smsc *smsc = smsc_from_vty(vty);
+	struct osmo_smpp_acl *acl;
+	const char *id = argv[0];
+
+	acl = smpp_acl_by_system_id(smsc, id);
+	if (!acl) {
+		vty_out(vty, "%% ESME with system id '%s' unknown%s",
+			id, VTY_NEWLINE);
+		return CMD_WARNING;
+	}
+
+	/* FIXME: close the connection, free data structure, etc. */
+
+	smpp_acl_delete(acl);
+
+	return CMD_SUCCESS;
+}
+
+
+DEFUN(cfg_esme_passwd, cfg_esme_passwd_cmd,
+	"password PASSWORD", "Set the password for this ESME")
+{
+	struct osmo_smpp_acl *acl = vty->index;
+
+	if (strlen(argv[0])+1 > sizeof(acl->passwd))
+		return CMD_WARNING;
+
+	strcpy(acl->passwd, argv[0]);
+
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_esme_no_passwd, cfg_esme_no_passwd_cmd,
+	"no password", NO_STR "Set the password for this ESME")
+{
+	struct osmo_smpp_acl *acl = vty->index;
+
+	memset(acl->passwd, 0, sizeof(acl->passwd));
+
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_esme_route, cfg_esme_route_cmd,
+	"route DESTINATION",
+	"Configure a route for MO-SMS to be sent to this ESME\n"
+	"Destination phone number")
+{
+	struct osmo_smpp_acl *acl = vty->index;
+
+	/* FIXME: check if DESTINATION is all-digits */
+
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_esme_defaultroute, cfg_esme_defaultroute_cmd,
+	"default-route",
+	"Set this ESME as default-route for all SMS to unknown destinations")
+{
+	struct osmo_smpp_acl *acl = vty->index;
+
+	acl->default_route = 1;
+
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_no_esme_defaultroute, cfg_esme_no_defaultroute_cmd,
+	"no default-route", NO_STR
+	"Set this ESME as default-route for all SMS to unknown destinations")
+{
+	struct osmo_smpp_acl *acl = vty->index;
+
+	acl->default_route = 0;
+
+	/* remove currently active default route, if it was created by
+	 * this ACL */
+	if (acl->smsc->def_route && acl->smsc->def_route->acl == acl)
+		acl->smsc->def_route = NULL;
+
+	return CMD_SUCCESS;
+}
+
+static void dump_one_esme(struct vty *vty, struct osmo_esme *esme)
+{
+	char host[128], serv[128];
+
+	host[0] = 0;
+	serv[0] = 0;
+	getnameinfo((const struct sockaddr *) &esme->sa, esme->sa_len,
+		    host, sizeof(host), serv, sizeof(serv), NI_NUMERICSERV);
+
+	vty_out(vty, "ESME System ID: %s, Password: %s, SMPP Version %02x%s",
+		esme->system_id, esme->acl->passwd, esme->smpp_version, VTY_NEWLINE);
+	vty_out(vty, "  Connected from: %s:%s%s", host, serv, VTY_NEWLINE);
+}
+
+DEFUN(show_esme, show_esme_cmd,
+	"show smpp esme",
+	SHOW_STR "SMPP Interface\n" "SMPP Extrenal SMS Entity\n")
+{
+	struct smsc *smsc = smsc_from_vty(vty);
+	struct osmo_esme *esme;
+
+	llist_for_each_entry(esme, &smsc->esme_list, list)
+		dump_one_esme(vty, esme);
+
+	return CMD_SUCCESS;
+}
+
+static void config_write_esme_single(struct vty *vty, struct osmo_smpp_acl *acl)
+{
+	vty_out(vty, " esme %s%s", acl->system_id, VTY_NEWLINE);
+	if (strlen(acl->passwd))
+		vty_out(vty, "  password %s%s", acl->passwd, VTY_NEWLINE);
+	if (acl->default_route)
+		vty_out(vty, "  default-route%s", VTY_NEWLINE);
+}
+
+static int config_write_esme(struct vty *v)
+{
+	struct smsc *smsc = smsc_from_vty(v);
+	struct osmo_smpp_acl *acl;
+
+	llist_for_each_entry(acl, &smsc->acl_list, list)
+		config_write_esme_single(v, acl);
+
+	return CMD_SUCCESS;
+}
+
+int smpp_vty_init(void)
+{
+	install_node(&smpp_node, config_write_smpp);
+	install_default(SMPP_NODE);
+	install_element(CONFIG_NODE, &cfg_smpp_cmd);
+
+	install_element(SMPP_NODE, &cfg_smpp_port_cmd);
+	install_element(SMPP_NODE, &cfg_smpp_sys_id_cmd);
+	install_element(SMPP_NODE, &cfg_smpp_policy_cmd);
+	install_element(SMPP_NODE, &cfg_esme_cmd);
+	install_element(SMPP_NODE, &cfg_no_esme_cmd);
+
+	install_node(&esme_node, config_write_esme);
+	install_default(SMPP_ESME_NODE);
+	install_element(SMPP_ESME_NODE, &cfg_esme_passwd_cmd);
+	install_element(SMPP_ESME_NODE, &cfg_esme_no_passwd_cmd);
+	install_element(SMPP_ESME_NODE, &cfg_esme_route_cmd);
+	install_element(SMPP_ESME_NODE, &cfg_esme_defaultroute_cmd);
+	install_element(SMPP_ESME_NODE, &cfg_esme_no_defaultroute_cmd);
+	install_element(SMPP_ESME_NODE, &ournode_exit_cmd);
+
+	install_element_ve(&show_esme_cmd);
+
+	return 0;
+}