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 "asterisk.h"
  24
  25 ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
  26
  27 #include <stdlib.h>
  28 #include <stdio.h>
  29 #include <string.h>
  30 #include <sys/types.h>
  31
  32 #include "asterisk/module.h"
  33 #include "asterisk/channel.h"
  34 #include "asterisk/pbx.h"
  35 #include "asterisk/logger.h"
  36 #include "asterisk/utils.h"
  37 #include "asterisk/app.h"
  38 #include "asterisk/options.h"
  39 #include "asterisk/callerid.h"
  40
  41 static int callerid_read(struct ast_channel *chan, char *cmd, char *data,
  42                          char *buf, size_t len)
  43 {
  44         int res = -1;
  45         char *opt = data;
  46
  47         if (!chan)
  48                 return -1;
  49
  50         if (strchr(opt, '|')) {
  51                 char name[80], num[80];
  52
  53                 data = strsep(&opt, "|");
  54                 ast_callerid_split(opt, name, sizeof(name), num, sizeof(num));
  55
  56                 if (!strncasecmp("all", data, 3)) {
  57                         snprintf(buf, len, "\"%s\" <%s>", name, num);
  58                         res = 0;
  59                 } else if (!strncasecmp("name", data, 4)) {
  60                         ast_copy_string(buf, name, len);
  61                         res = 0;
  62                 } else if (!strncasecmp("num", data, 3) ||
  63                            !strncasecmp("number", data, 6)) {
  64
  65                         ast_copy_string(buf, num, len);
  66                         res = 0;
  67                 } else {
  68                         ast_log(LOG_ERROR, "Unknown callerid data type '%s'.\n", data);
  69                 }
  70         } else {
  71                 ast_channel_lock(chan);
  72
  73                 if (!strncasecmp("all", data, 3)) {
  74                         snprintf(buf, len, "\"%s\" <%s>",
  75                                  S_OR(chan->cid.cid_name, ""),
  76                                  S_OR(chan->cid.cid_num, ""));
  77                         res = 0;
  78                 } else if (!strncasecmp("name", data, 4)) {
  79                         if (chan->cid.cid_name) {
  80                                 ast_copy_string(buf, chan->cid.cid_name, len);
  81                                 res = 0;
  82                         }
  83                 } else if (!strncasecmp("num", data, 3)
  84                                    || !strncasecmp("number", data, 6)) {
  85                         if (chan->cid.cid_num) {
  86                                 ast_copy_string(buf, chan->cid.cid_num, len);
  87                                 res = 0;
  88                         }
  89                 } else if (!strncasecmp("ani", data, 3)) {
  90                         if (chan->cid.cid_ani) {
  91                                 ast_copy_string(buf, chan->cid.cid_ani, len);
  92                                 res = 0;
  93                         }
  94                 } else if (!strncasecmp("dnid", data, 4)) {
  95                         if (chan->cid.cid_dnid) {
  96                                 ast_copy_string(buf, chan->cid.cid_dnid, len);
  97                                 res = 0;
  98                         }
  99                 } else if (!strncasecmp("rdnis", data, 5)) {
 100                         if (chan->cid.cid_rdnis) {
 101                                 ast_copy_string(buf, chan->cid.cid_rdnis, len);
 102                                 res = 0;
 103                         }
 104                 } else {
 105                         ast_log(LOG_ERROR, "Unknown callerid data type '%s'.\n", data);
 106                 }
 107
 108                 ast_channel_unlock(chan);
 109         }
 110
 111         return res;
 112 }
 113
 114 static int callerid_write(struct ast_channel *chan, char *cmd, char *data,
 115                           const char *value)
 116 {
 117         if (!value || !chan)
 118                 return -1;
 119
 120         if (!strncasecmp("all", data, 3)) {
 121                 char name[256];
 122                 char num[256];
 123
 124                 if (!ast_callerid_split(value, name, sizeof(name), num, sizeof(num)))
 125                         ast_set_callerid(chan, num, name, num);
 126         } else if (!strncasecmp("name", data, 4)) {
 127                 ast_set_callerid(chan, NULL, value, NULL);
 128         } else if (!strncasecmp("num", data, 3) ||
 129                    !strncasecmp("number", data, 6)) {
 130                 ast_set_callerid(chan, value, NULL, NULL);
 131         } else if (!strncasecmp("ani", data, 3)) {
 132                 ast_set_callerid(chan, NULL, NULL, value);
 133         } else if (!strncasecmp("dnid", data, 4)) {
 134                 ast_channel_lock(chan);
 135                 if (chan->cid.cid_dnid)
 136                         free(chan->cid.cid_dnid);
 137                 chan->cid.cid_dnid = ast_strdup(value);
 138                 ast_channel_unlock(chan);
 139         } else if (!strncasecmp("rdnis", data, 5)) {
 140                 ast_channel_lock(chan);
 141                 if (chan->cid.cid_rdnis)
 142                         free(chan->cid.cid_rdnis);
 143                 chan->cid.cid_rdnis = ast_strdup(value);
 144                 ast_channel_unlock(chan);
 145         } else {
 146                 ast_log(LOG_ERROR, "Unknown callerid data type '%s'.\n", data);
 147         }
 148
 149         return 0;
 150 }
 151
 152 static struct ast_custom_function callerid_function = {
 153         .name = "CALLERID",
 154         .synopsis = "Gets or sets Caller*ID data on the channel.",
 155         .syntax = "CALLERID(datatype[,<optional-CID>])",
 156         .desc =
 157                 "Gets or sets Caller*ID data on the channel.  The allowable datatypes\n"
 158                 "are \"all\", \"name\", \"num\", \"ANI\", \"DNID\", \"RDNIS\".\n"
 159                 "Uses channel callerid by default or optional callerid, if specified.\n",
 160         .read = callerid_read,
 161         .write = callerid_write,
 162 };
 163
 164 static int unload_module(void)
 165 {
 166         return ast_custom_function_unregister(&callerid_function);
 167 }
 168
 169 static int load_module(void)
 170 {
 171         return ast_custom_function_register(&callerid_function);
 172 }
 173
 174 AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Caller ID related dialplan function");