main/privacy.c

   1 /*
   2  * Asterisk -- An open source telephony toolkit.
   3  *
   4  * Copyright (C) 1999 - 2005, Digium, Inc.
   5  *
   6  * Mark Spencer <markster@digium.com>
   7  *
   8  * See http://www.asterisk.org for more information about
   9  * the Asterisk project. Please do not directly contact
  10  * any of the maintainers of this project for assistance;
  11  * the project provides a web site, mailing lists and IRC
  12  * channels for your use.
  13  *
  14  * This program is free software, distributed under the terms of
  15  * the GNU General Public License Version 2. See the LICENSE file
  16  * at the top of the source tree.
  17  */
  18
  19 /*! \file
  20  *
  21  * \brief Privacy Routines
  22  *
  23  * \author Mark Spencer <markster@digium.com>
  24  */
  25
  26 #include "asterisk.h"
  27
  28 ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
  29
  30 #include <stdio.h>
  31 #include <stdlib.h>
  32 #include <string.h>
  33 #include <sys/time.h>
  34 #include <signal.h>
  35 #include <errno.h>
  36 #include <unistd.h>
  37 #include <dirent.h>
  38
  39 #include "asterisk/channel.h"
  40 #include "asterisk/file.h"
  41 #include "asterisk/app.h"
  42 #include "asterisk/dsp.h"
  43 #include "asterisk/logger.h"
  44 #include "asterisk/options.h"
  45 #include "asterisk/astdb.h"
  46 #include "asterisk/callerid.h"
  47 #include "asterisk/privacy.h"
  48 #include "asterisk/utils.h"
  49 #include "asterisk/lock.h"
  50
  51 int ast_privacy_check(char *dest, char *cid)
  52 {
  53         char tmp[256] = "";
  54         char *trimcid = "";
  55         char *n, *l;
  56         int res;
  57         char key[256], result[256];
  58         if (cid)
  59                 ast_copy_string(tmp, cid, sizeof(tmp));
  60         ast_callerid_parse(tmp, &n, &l);
  61         if (l) {
  62                 ast_shrink_phone_number(l);
  63                 trimcid = l;
  64         }
  65         snprintf(key, sizeof(key), "%s/%s", dest, trimcid);
  66         res = ast_db_get("privacy", key, result, sizeof(result));
  67         if (!res) {
  68                 if (!strcasecmp(result, "allow"))
  69                         return AST_PRIVACY_ALLOW;
  70                 if (!strcasecmp(result, "deny"))
  71                         return AST_PRIVACY_DENY;
  72                 if (!strcasecmp(result, "kill"))
  73                         return AST_PRIVACY_KILL;
  74                 if (!strcasecmp(result, "torture"))
  75                         return AST_PRIVACY_TORTURE;
  76         }
  77         return AST_PRIVACY_UNKNOWN;
  78 }
  79
  80 int ast_privacy_reset(char *dest)
  81 {
  82         if (!dest)
  83                 return -1;
  84         return ast_db_deltree("privacy", dest);
  85 }
  86
  87 int ast_privacy_set(char *dest, char *cid, int status)
  88 {
  89         char tmp[256] = "";
  90         char *trimcid = "";
  91         char *n, *l;
  92         int res;
  93         char key[256];
  94         if (cid)
  95                 ast_copy_string(tmp, cid, sizeof(tmp));
  96         ast_callerid_parse(tmp, &n, &l);
  97         if (l) {
  98                 ast_shrink_phone_number(l);
  99                 trimcid = l;
 100         }
 101         if (ast_strlen_zero(trimcid)) {
 102                 /* Don't store anything for empty Caller*ID */
 103                 return 0;
 104         }
 105         snprintf(key, sizeof(key), "%s/%s", dest, trimcid);
 106         if (status == AST_PRIVACY_UNKNOWN)
 107                 res = ast_db_del("privacy", key);
 108         else if (status == AST_PRIVACY_ALLOW)
 109                 res = ast_db_put("privacy", key, "allow");
 110         else if (status == AST_PRIVACY_DENY)
 111                 res = ast_db_put("privacy", key, "deny");
 112         else if (status == AST_PRIVACY_KILL)
 113                 res = ast_db_put("privacy", key, "kill");
 114         else if (status == AST_PRIVACY_TORTURE)
 115                 res = ast_db_put("privacy", key, "torture");
 116         else
 117                 res = -1;
 118         return res;
 119 }