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 <sys/time.h>
  31 #include <signal.h>
  32 #include <dirent.h>
  33
  34 #include "asterisk/channel.h"
  35 #include "asterisk/file.h"
  36 #include "asterisk/app.h"
  37 #include "asterisk/dsp.h"
  38 #include "asterisk/astdb.h"
  39 #include "asterisk/callerid.h"
  40 #include "asterisk/privacy.h"
  41 #include "asterisk/utils.h"
  42 #include "asterisk/lock.h"
  43
  44 int ast_privacy_check(char *dest, char *cid)
  45 {
  46         char tmp[256] = "";
  47         char *trimcid = "";
  48         char *n, *l;
  49         int res;
  50         char key[256], result[256];
  51         if (cid)
  52                 ast_copy_string(tmp, cid, sizeof(tmp));
  53         ast_callerid_parse(tmp, &n, &l);
  54         if (l) {
  55                 ast_shrink_phone_number(l);
  56                 trimcid = l;
  57         }
  58         snprintf(key, sizeof(key), "%s/%s", dest, trimcid);
  59         res = ast_db_get("privacy", key, result, sizeof(result));
  60         if (!res) {
  61                 if (!strcasecmp(result, "allow"))
  62                         return AST_PRIVACY_ALLOW;
  63                 if (!strcasecmp(result, "deny"))
  64                         return AST_PRIVACY_DENY;
  65                 if (!strcasecmp(result, "kill"))
  66                         return AST_PRIVACY_KILL;
  67                 if (!strcasecmp(result, "torture"))
  68                         return AST_PRIVACY_TORTURE;
  69         }
  70         return AST_PRIVACY_UNKNOWN;
  71 }
  72
  73 int ast_privacy_reset(char *dest)
  74 {
  75         if (!dest)
  76                 return -1;
  77         return ast_db_deltree("privacy", dest);
  78 }
  79
  80 int ast_privacy_set(char *dest, char *cid, int status)
  81 {
  82         char tmp[256] = "";
  83         char *trimcid = "";
  84         char *n, *l;
  85         int res;
  86         char key[256];
  87         if (cid)
  88                 ast_copy_string(tmp, cid, sizeof(tmp));
  89         ast_callerid_parse(tmp, &n, &l);
  90         if (l) {
  91                 ast_shrink_phone_number(l);
  92                 trimcid = l;
  93         }
  94         if (ast_strlen_zero(trimcid)) {
  95                 /* Don't store anything for empty Caller*ID */
  96                 return 0;
  97         }
  98         snprintf(key, sizeof(key), "%s/%s", dest, trimcid);
  99         if (status == AST_PRIVACY_UNKNOWN)
 100                 res = ast_db_del("privacy", key);
 101         else if (status == AST_PRIVACY_ALLOW)
 102                 res = ast_db_put("privacy", key, "allow");
 103         else if (status == AST_PRIVACY_DENY)
 104                 res = ast_db_put("privacy", key, "deny");
 105         else if (status == AST_PRIVACY_KILL)
 106                 res = ast_db_put("privacy", key, "kill");
 107         else if (status == AST_PRIVACY_TORTURE)
 108                 res = ast_db_put("privacy", key, "torture");
 109         else
 110                 res = -1;
 111         return res;
 112 }