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00026 #include <stdlib.h>
00027 #include <unistd.h>
00028 #include <string.h>
00029 #include <stdlib.h>
00030 #include <ctype.h>
00031
00032 #include "asterisk.h"
00033
00034 ASTERISK_FILE_VERSION(__FILE__, "$Revision: 7221 $")
00035
00036 #include "asterisk/logger.h"
00037 #include "asterisk/channel.h"
00038 #include "asterisk/pbx.h"
00039 #include "asterisk/options.h"
00040 #include "asterisk/module.h"
00041 #include "asterisk/enum.h"
00042 #include "asterisk/utils.h"
00043 #include "asterisk/app.h"
00044
00045 STANDARD_LOCAL_USER;
00046
00047 LOCAL_USER_DECL;
00048
00049 static char *tdesc = "TXTCIDName";
00050
00051 static char *app = "TXTCIDName";
00052
00053 static char *synopsis = "Lookup caller name from TXT record";
00054
00055 static char *descrip =
00056 " TXTCIDName(<CallerIDNumber>[|options]): Looks up a Caller Name via DNS and sets\n"
00057 "the variable 'TXTCIDNAME'. TXTCIDName will either be blank\n"
00058 "or return the value found in the TXT record in DNS.\n"
00059 "The option string may contain the following character:\n"
00060 "'j' -- jump to n+101 priority if the lookup fails\n"
00061 "This application sets the following channel variable upon completion:\n"
00062 " TXTCIDNAMESTATUS The status of the lookup as a text string, one of\n"
00063 " SUCCESS | FAILED\n";
00064
00065 static int txtcidname_exec(struct ast_channel *chan, void *data)
00066 {
00067 int res=0;
00068 char tech[80];
00069 char txt[256] = "";
00070 char dest[80];
00071 struct localuser *u;
00072 static int dep_warning = 0;
00073 char *parse = NULL;
00074 int priority_jump = 0;
00075 AST_DECLARE_APP_ARGS(args,
00076 AST_APP_ARG(cidnum);
00077 AST_APP_ARG(options);
00078 );
00079
00080 LOCAL_USER_ADD(u);
00081
00082 if (!dep_warning) {
00083 ast_log(LOG_WARNING, "The TXTCIDName application has been deprecated in favor of the TXTCIDNAME dialplan function.\n");
00084 dep_warning = 1;
00085 }
00086
00087 if (ast_strlen_zero(data)) {
00088 ast_log(LOG_WARNING, "TXTCIDName requires an argument (extension[|options])\n");
00089 LOCAL_USER_REMOVE(u);
00090 return(0);
00091 }
00092
00093 parse = ast_strdupa(data);
00094 if (!parse) {
00095 ast_log(LOG_ERROR, "Out of memory!\n");
00096 LOCAL_USER_REMOVE(u);
00097 return -1;
00098 }
00099
00100 AST_STANDARD_APP_ARGS(args,parse);
00101
00102 if (args.options) {
00103 if (strchr(args.options, 'j'))
00104 priority_jump = 1;
00105 }
00106
00107 if (!res) {
00108 res = ast_get_txt(chan, data, dest, sizeof(dest), tech, sizeof(tech), txt, sizeof(txt));
00109 }
00110
00111
00112 if (res > 0) {
00113 if (!ast_strlen_zero(txt)) {
00114 pbx_builtin_setvar_helper(chan, "TXTCIDNAME", txt);
00115 pbx_builtin_setvar_helper(chan, "TXTCIDNAMESTATUS", "SUCCESS");
00116 if (option_debug > 1)
00117 ast_log(LOG_DEBUG, "TXTCIDNAME got '%s'\n", txt);
00118 }
00119 }
00120 if (!res) {
00121
00122 if (priority_jump || option_priority_jumping)
00123 ast_goto_if_exists(chan, chan->context, chan->exten, chan->priority + 101);
00124 pbx_builtin_setvar_helper(chan, "TXTCIDNAMESTATUS", "FAILED");
00125 } else if (res > 0)
00126 res = 0;
00127
00128 LOCAL_USER_REMOVE(u);
00129
00130 return res;
00131 }
00132
00133 int unload_module(void)
00134 {
00135 int res;
00136
00137 res = ast_unregister_application(app);
00138
00139 STANDARD_HANGUP_LOCALUSERS;
00140
00141 return res;
00142 }
00143
00144 int load_module(void)
00145 {
00146 return ast_register_application(app, txtcidname_exec, synopsis, descrip);
00147 }
00148
00149 char *description(void)
00150 {
00151 return tdesc;
00152 }
00153
00154 int usecount(void)
00155 {
00156 int res;
00157 STANDARD_USECOUNT(res);
00158 return res;
00159 }
00160
00161 char *key()
00162 {
00163 return ASTERISK_GPL_KEY;
00164 }