funcs/func_callerid.c

   1 /*
   2  * Asterisk -- An open source telephony toolkit.
   3  *
   4  * Copyright (C) 1999-2006, Digium, Inc.
   5  *
   6  * See http://www.asterisk.org for more information about
   7  * the Asterisk project. Please do not directly contact
   8  * any of the maintainers of this project for assistance;
   9  * the project provides a web site, mailing lists and IRC
  10  * channels for your use.
  11  *
  12  * This program is free software, distributed under the terms of
  13  * the GNU General Public License Version 2. See the LICENSE file
  14  * at the top of the source tree.
  15  */
  16
  17 /*! \file
  18  *
  19  * \brief Caller ID related dialplan functions
  20  *
  21  */
  22
  23 #include <stdlib.h>
  24 #include <stdio.h>
  25 #include <string.h>
  26 #include <sys/types.h>
  27
  28 #include "asterisk.h"
  29
  30 ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
  31 #include "asterisk/module.h"
  32 #include "asterisk/channel.h"
  33 #include "asterisk/pbx.h"
  34 #include "asterisk/logger.h"
  35 #include "asterisk/utils.h"
  36 #include "asterisk/app.h"
  37 #include "asterisk/options.h"
  38 #include "asterisk/callerid.h"
  39
  40 static int callerid_read(struct ast_channel *chan, char *cmd, char *data,
  41                          char *buf, size_t len)
  42 {
  43         char *opt = data;
  44
  45         if (strchr(opt, '|')) {
  46                 char name[80], num[80];
  47
  48                 data = strsep(&opt, "|");
  49                 ast_callerid_split(opt, name, sizeof(name), num, sizeof(num));
  50
  51                 if (!strncasecmp("all", data, 3)) {
  52                         snprintf(buf, len, "\"%s\" <%s>", name, num);
  53                 } else if (!strncasecmp("name", data, 4)) {
  54                         ast_copy_string(buf, name, len);
  55                 } else if (!strncasecmp("num", data, 3) ||
  56                            !strncasecmp("number", data, 6)) {
  57
  58                         ast_copy_string(buf, num, len);
  59                 } else {
  60                         ast_log(LOG_ERROR, "Unknown callerid data type.\n");
  61                 }
  62         } else {
  63                 if (!strncasecmp("all", data, 3)) {
  64                         snprintf(buf, len, "\"%s\" <%s>",
  65                                  chan->cid.cid_name ? chan->cid.cid_name : "",
  66                                  chan->cid.cid_num ? chan->cid.cid_num : "");
  67                 } else if (!strncasecmp("name", data, 4)) {
  68                         if (chan->cid.cid_name) {
  69                                 ast_copy_string(buf, chan->cid.cid_name, len);
  70                         }
  71                 } else if (!strncasecmp("num", data, 3)
  72                                    || !strncasecmp("number", data, 6)) {
  73                         if (chan->cid.cid_num) {
  74                                 ast_copy_string(buf, chan->cid.cid_num, len);
  75                         }
  76                 } else if (!strncasecmp("ani", data, 3)) {
  77                         if (chan->cid.cid_ani) {
  78                                 ast_copy_string(buf, chan->cid.cid_ani, len);
  79                         }
  80                 } else if (!strncasecmp("dnid", data, 4)) {
  81                         if (chan->cid.cid_dnid) {
  82                                 ast_copy_string(buf, chan->cid.cid_dnid, len);
  83                         }
  84                 } else if (!strncasecmp("rdnis", data, 5)) {
  85                         if (chan->cid.cid_rdnis) {
  86                                 ast_copy_string(buf, chan->cid.cid_rdnis, len);
  87                         }
  88                 } else {
  89                         ast_log(LOG_ERROR, "Unknown callerid data type.\n");
  90                 }
  91         }
  92
  93         return 0;
  94 }
  95
  96 static int callerid_write(struct ast_channel *chan, char *cmd, char *data,
  97                           const char *value)
  98 {
  99         if (!value)
 100                 return -1;
 101
 102         if (!strncasecmp("all", data, 3)) {
 103                 char name[256];
 104                 char num[256];
 105
 106                 if (!ast_callerid_split(value, name, sizeof(name), num, sizeof(num)))
 107                         ast_set_callerid(chan, num, name, num);
 108         } else if (!strncasecmp("name", data, 4)) {
 109                 ast_set_callerid(chan, NULL, value, NULL);
 110         } else if (!strncasecmp("num", data, 3) ||
 111                    !strncasecmp("number", data, 6)) {
 112                 ast_set_callerid(chan, value, NULL, NULL);
 113         } else if (!strncasecmp("ani", data, 3)) {
 114                 ast_set_callerid(chan, NULL, NULL, value);
 115         } else if (!strncasecmp("dnid", data, 4)) {
 116                 /* do we need to lock chan here? */
 117                 if (chan->cid.cid_dnid)
 118                         free(chan->cid.cid_dnid);
 119                 chan->cid.cid_dnid = ast_strlen_zero(value) ? NULL : strdup(value);
 120         } else if (!strncasecmp("rdnis", data, 5)) {
 121                 /* do we need to lock chan here? */
 122                 if (chan->cid.cid_rdnis)
 123                         free(chan->cid.cid_rdnis);
 124                 chan->cid.cid_rdnis = ast_strlen_zero(value) ? NULL : strdup(value);
 125         } else {
 126                 ast_log(LOG_ERROR, "Unknown callerid data type.\n");
 127         }
 128
 129         return 0;
 130 }
 131
 132 static struct ast_custom_function callerid_function = {
 133         .name = "CALLERID",
 134         .synopsis = "Gets or sets Caller*ID data on the channel.",
 135         .syntax = "CALLERID(datatype[,<optional-CID>])",
 136         .desc =
 137                 "Gets or sets Caller*ID data on the channel.  The allowable datatypes\n"
 138                 "are \"all\", \"name\", \"num\", \"ANI\", \"DNID\", \"RDNIS\".\n"
 139                 "Uses channel callerid by default or optional callerid, if specified.\n",
 140         .read = callerid_read,
 141         .write = callerid_write,
 142 };
 143
 144 static char *tdesc = "Caller ID related dialplan function";
 145
 146 int unload_module(void)
 147 {
 148         return ast_custom_function_unregister(&callerid_function);
 149 }
 150
 151 int load_module(void)
 152 {
 153         return ast_custom_function_register(&callerid_function);
 154 }
 155
 156 char *description(void)
 157 {
 158         return tdesc;
 159 }
 160
 161 int usecount(void)
 162 {
 163         return 0;
 164 }
 165
 166 char *key()
 167 {
 168         return ASTERISK_GPL_KEY;
 169 }