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00029 #include "asterisk.h"
00030
00031 ASTERISK_FILE_VERSION(__FILE__, "$Revision: 56922 $")
00032
00033 #include <stdlib.h>
00034 #include <stdio.h>
00035 #include <string.h>
00036
00037 #include "asterisk/lock.h"
00038 #include "asterisk/file.h"
00039 #include "asterisk/logger.h"
00040 #include "asterisk/options.h"
00041 #include "asterisk/channel.h"
00042 #include "asterisk/pbx.h"
00043 #include "asterisk/module.h"
00044 #include "asterisk/translate.h"
00045 #include "asterisk/image.h"
00046 #include "asterisk/callerid.h"
00047 #include "asterisk/astdb.h"
00048 #include "asterisk/options.h"
00049
00050 static char *app = "LookupBlacklist";
00051
00052 static char *synopsis = "Look up Caller*ID name/number from blacklist database";
00053
00054 static char *descrip =
00055 " LookupBlacklist(options): Looks up the Caller*ID number on the active\n"
00056 "channel in the Asterisk database (family 'blacklist'). \n"
00057 "The option string may contain the following character:\n"
00058 " 'j' -- jump to n+101 priority if the number/name is found in the blacklist\n"
00059 "This application sets the following channel variable upon completion:\n"
00060 " LOOKUPBLSTATUS The status of the Blacklist lookup as a text string, one of\n"
00061 " FOUND | NOTFOUND\n"
00062 "Example: exten => 1234,1,LookupBlacklist()\n\n"
00063 "This application is deprecated and may be removed from a future release.\n"
00064 "Please use the dialplan function BLACKLIST() instead.\n";
00065
00066
00067 static int blacklist_read(struct ast_channel *chan, char *cmd, char *data, char *buf, size_t len)
00068 {
00069 char blacklist[1];
00070 int bl = 0;
00071
00072 if (chan->cid.cid_num) {
00073 if (!ast_db_get("blacklist", chan->cid.cid_num, blacklist, sizeof (blacklist)))
00074 bl = 1;
00075 }
00076 if (chan->cid.cid_name) {
00077 if (!ast_db_get("blacklist", chan->cid.cid_name, blacklist, sizeof (blacklist)))
00078 bl = 1;
00079 }
00080
00081 snprintf(buf, len, "%d", bl);
00082 return 0;
00083 }
00084
00085 static struct ast_custom_function blacklist_function = {
00086 .name = "BLACKLIST",
00087 .synopsis = "Check if the callerid is on the blacklist",
00088 .desc = "Uses astdb to check if the Caller*ID is in family 'blacklist'. Returns 1 or 0.\n",
00089 .syntax = "BLACKLIST()",
00090 .read = blacklist_read,
00091 };
00092
00093 static int
00094 lookupblacklist_exec (struct ast_channel *chan, void *data)
00095 {
00096 char blacklist[1];
00097 struct ast_module_user *u;
00098 int bl = 0;
00099 int priority_jump = 0;
00100 static int dep_warning = 0;
00101
00102 u = ast_module_user_add(chan);
00103
00104 if (!dep_warning) {
00105 dep_warning = 1;
00106 ast_log(LOG_WARNING, "LookupBlacklist is deprecated. Please use ${BLACKLIST()} instead.\n");
00107 }
00108
00109 if (!ast_strlen_zero(data)) {
00110 if (strchr(data, 'j'))
00111 priority_jump = 1;
00112 }
00113
00114 if (chan->cid.cid_num) {
00115 if (!ast_db_get("blacklist", chan->cid.cid_num, blacklist, sizeof (blacklist))) {
00116 if (option_verbose > 2)
00117 ast_log(LOG_NOTICE, "Blacklisted number %s found\n",chan->cid.cid_num);
00118 bl = 1;
00119 }
00120 }
00121 if (chan->cid.cid_name) {
00122 if (!ast_db_get("blacklist", chan->cid.cid_name, blacklist, sizeof (blacklist))) {
00123 if (option_verbose > 2)
00124 ast_log (LOG_NOTICE,"Blacklisted name \"%s\" found\n",chan->cid.cid_name);
00125 bl = 1;
00126 }
00127 }
00128
00129 if (bl) {
00130 if (priority_jump || ast_opt_priority_jumping)
00131 ast_goto_if_exists(chan, chan->context, chan->exten, chan->priority + 101);
00132 pbx_builtin_setvar_helper(chan, "LOOKUPBLSTATUS", "FOUND");
00133 } else
00134 pbx_builtin_setvar_helper(chan, "LOOKUPBLSTATUS", "NOTFOUND");
00135
00136 ast_module_user_remove(u);
00137
00138 return 0;
00139 }
00140
00141 static int unload_module(void)
00142 {
00143 int res;
00144
00145 res = ast_unregister_application(app);
00146 res |= ast_custom_function_unregister(&blacklist_function);
00147
00148 ast_module_user_hangup_all();
00149
00150 return res;
00151 }
00152
00153 static int load_module(void)
00154 {
00155 int res = ast_custom_function_register(&blacklist_function);
00156 res |= ast_register_application (app, lookupblacklist_exec, synopsis,descrip);
00157 return res;
00158 }
00159
00160 AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Look up Caller*ID name/number from blacklist database");