| /* Control Interface Implementation for the SGSN */ |
| /* |
| * (C) 2014 by Holger Hans Peter Freyther |
| * (C) 2014 by sysmocom s.f.m.c. GmbH |
| * 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 <openbsc/control_if.h> |
| #include <openbsc/control_cmd.h> |
| #include <openbsc/gprs_sgsn.h> |
| #include <openbsc/sgsn.h> |
| #include <openbsc/debug.h> |
| |
| #include <pdp.h> |
| |
| extern vector ctrl_node_vec; |
| |
| static int verify_subscriber_list(struct ctrl_cmd *cmd, const char *v, void *d) |
| { |
| return 1; |
| } |
| |
| static int set_subscriber_list(struct ctrl_cmd *cmd, void *d) |
| { |
| cmd->reply = "Get only attribute"; |
| return CTRL_CMD_ERROR; |
| } |
| |
| static int get_subscriber_list(struct ctrl_cmd *cmd, void *d) |
| { |
| struct sgsn_mm_ctx *mm; |
| |
| cmd->reply = talloc_strdup(cmd, ""); |
| llist_for_each_entry(mm, &sgsn_mm_ctxts, list) { |
| char *addr = NULL; |
| struct sgsn_pdp_ctx *pdp; |
| |
| if (strlen(mm->imsi) == 0) |
| continue; |
| |
| llist_for_each_entry(pdp, &mm->pdp_list, list) |
| addr = gprs_pdpaddr2str(pdp->lib->eua.v, |
| pdp->lib->eua.l); |
| |
| cmd->reply = talloc_asprintf_append( |
| cmd->reply, |
| "%s,%s\n", mm->imsi, addr ? addr : ""); |
| } |
| |
| return CTRL_CMD_REPLY; |
| } |
| CTRL_CMD_DEFINE(subscriber_list, "subscriber-list-active-v1"); |
| |
| int sgsn_ctrl_cmds_install(void) |
| { |
| int rc = 0; |
| rc |= ctrl_cmd_install(CTRL_NODE_ROOT, &cmd_subscriber_list); |
| return rc; |
| } |
| |
| static int sgsn_cmd_handle(struct ctrl_cmd *cmd, void *data) |
| { |
| char *request; |
| cmd->reply = NULL; |
| cmd->node = NULL; |
| vector vline, cmdvec, cmds_vec; |
| int i, ret; |
| |
| ret = CTRL_CMD_ERROR; |
| |
| request = talloc_strdup(tall_bsc_ctx, cmd->variable); |
| if (!request) |
| goto err; |
| |
| for (i = 0; i < strlen(request); ++i) { |
| if (request[i] == '.') |
| request[i] = ' '; |
| } |
| |
| vline = cmd_make_strvec(request); |
| talloc_free(request); |
| if (!vline) { |
| cmd->reply = "cmd_make_strvec failed."; |
| goto err; |
| } |
| |
| /* If we're here the rest must be the command */ |
| cmdvec = vector_init(vector_active(vline)); |
| for (i = 0 ; i < vector_active(vline); ++i) { |
| vector_set(cmdvec, vector_slot(vline, i)); |
| } |
| |
| /* Get the command vector of the right node */ |
| cmds_vec = vector_lookup(ctrl_node_vec, CTRL_NODE_ROOT); |
| |
| if (!cmds_vec) { |
| cmd->reply = "Command not found."; |
| vector_free(cmdvec); |
| goto err; |
| } |
| |
| ret = ctrl_cmd_exec(cmdvec, cmd, cmds_vec, data); |
| |
| vector_free(cmdvec); |
| cmd_free_strvec(vline); |
| |
| err: |
| if (!cmd->reply) { |
| LOGP(DCTRL, LOGL_ERROR, "cmd->reply has not been set.\n"); |
| if (ret == CTRL_CMD_ERROR) |
| cmd->reply = "An error has occured."; |
| else |
| cmd->reply = "Command has been handled."; |
| } |
| |
| if (ret == CTRL_CMD_ERROR) |
| cmd->type = CTRL_TYPE_ERROR; |
| return ret; |
| } |
| |
| struct ctrl_handle *sgsn_controlif_setup(struct gsm_network *net, uint16_t port) |
| { |
| return controlif_setup(net, port, sgsn_cmd_handle); |
| } |