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189 lines
4.5 KiB
189 lines
4.5 KiB
/*
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* $Id$
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*
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* ALIAS_DB Module
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*
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* Copyright (C) 2004 Voice Sistem SRL
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*
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* This file is part of a module for Kamailio, a free SIP server.
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*
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* Kamailio 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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* Kamailio 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, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* History:
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* --------
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* 2004-09-01: first version (ramona)
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*/
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#include <stdio.h>
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#include <string.h>
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#include "../../sr_module.h"
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#include "../../lib/srdb1/db.h"
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#include "../../dprint.h"
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#include "../../error.h"
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#include "../../mem/mem.h"
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#include "../../ut.h"
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#include "../../mod_fix.h"
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#include "alookup.h"
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#include "api.h"
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MODULE_VERSION
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/* Module destroy function prototype */
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static void destroy(void);
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/* Module child-init function prototype */
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static int child_init(int rank);
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/* Module initialization function prototype */
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static int mod_init(void);
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static int w_alias_db_lookup(struct sip_msg* _msg, char* _table, char* _str2);
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/* Module parameter variables */
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static str db_url = str_init(DEFAULT_RODB_URL);
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str user_column = str_init("username");
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str domain_column = str_init("domain");
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str alias_user_column = str_init("alias_username");
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str alias_domain_column = str_init("alias_domain");
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str domain_prefix = {NULL, 0};
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int use_domain = 0;
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int ald_append_branches = 0;
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db1_con_t* db_handle; /* Database connection handle */
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db_func_t adbf; /* DB functions */
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/* Exported functions */
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static cmd_export_t cmds[] = {
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{"alias_db_lookup", (cmd_function)w_alias_db_lookup, 1, fixup_spve_null, 0,
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REQUEST_ROUTE|FAILURE_ROUTE},
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{"bind_alias_db", (cmd_function)bind_alias_db, 1, 0, 0,
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0},
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{0, 0, 0, 0, 0, 0}
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};
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/* Exported parameters */
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static param_export_t params[] = {
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{"db_url", PARAM_STR, &db_url },
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{"user_column", PARAM_STR, &user_column },
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{"domain_column", PARAM_STR, &domain_column },
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{"alias_user_column", PARAM_STR, &alias_user_column },
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{"alias_domain_column", PARAM_STR, &alias_domain_column },
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{"use_domain", INT_PARAM, &use_domain },
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{"domain_prefix", PARAM_STR, &domain_prefix },
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{"append_branches", INT_PARAM, &ald_append_branches },
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{0, 0, 0}
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};
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/* Module interface */
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struct module_exports exports = {
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"alias_db",
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DEFAULT_DLFLAGS, /* dlopen flags */
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cmds, /* Exported functions */
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params, /* Exported parameters */
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0, /* exported statistics */
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0, /* exported MI functions */
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0, /* exported pseudo-variables */
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0, /* extra processes */
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mod_init, /* module initialization function */
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0, /* response function */
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destroy, /* destroy function */
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child_init /* child initialization function */
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};
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/**
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*
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*/
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static int child_init(int rank)
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{
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if (rank==PROC_INIT || rank==PROC_MAIN || rank==PROC_TCP_MAIN)
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return 0; /* do nothing for the main process */
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db_handle = adbf.init(&db_url);
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if (!db_handle)
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{
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LM_ERR("unable to connect database\n");
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return -1;
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}
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return 0;
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}
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/**
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*
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*/
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static int mod_init(void)
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{
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/* Find a database module */
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if (db_bind_mod(&db_url, &adbf))
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{
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LM_ERR("unable to bind database module\n");
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return -1;
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}
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if (!DB_CAPABILITY(adbf, DB_CAP_QUERY))
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{
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LM_CRIT("database modules does not "
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"provide all functions needed by avpops module\n");
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return -1;
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}
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return 0;
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}
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/**
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*
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*/
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static void destroy(void)
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{
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if (db_handle) {
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adbf.close(db_handle);
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db_handle = 0;
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}
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}
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static int w_alias_db_lookup(struct sip_msg* _msg, char* _table, char* _str2)
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{
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str table_s;
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if(_table==NULL || fixup_get_svalue(_msg, (gparam_p)_table, &table_s)!=0)
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{
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LM_ERR("invalid table parameter\n");
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return -1;
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}
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return alias_db_lookup(_msg, table_s);
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}
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int bind_alias_db(struct alias_db_binds *pxb)
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{
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if (pxb == NULL)
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{
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LM_WARN("bind_alias_db: Cannot load alias_db API into a NULL pointer\n");
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return -1;
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}
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pxb->alias_db_lookup = alias_db_lookup;
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return 0;
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}
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