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         char *opt = data;
  45
  46         /* XXX we are not always clearing the buffer. Is this correct ? */
  47         if (strchr(opt, '|')) {
  48                 char name[80], num[80];
  49
  50                 data = strsep(&opt, "|");
  51                 ast_callerid_split(opt, name, sizeof(name), num, sizeof(num));
  52
  53                 if (!strncasecmp("all", data, 3)) {
  54                         snprintf(buf, len, "\"%s\" <%s>", name, num);
  55                 } else if (!strncasecmp("name", data, 4)) {
  56                         ast_copy_string(buf, name, len);
  57                 } else if (!strncasecmp("num", data, 3) ||
  58                            !strncasecmp("number", data, 6)) {
  59
  60                         ast_copy_string(buf, num, len);
  61                 } else {
  62                         ast_log(LOG_ERROR, "Unknown callerid data type '%s'.\n", data);
  63                 }
  64         } else {
  65                 if (!strncasecmp("all", data, 3)) {
  66                         snprintf(buf, len, "\"%s\" <%s>",
  67                                  S_OR(chan->cid.cid_name, ""),
  68                                  S_OR(chan->cid.cid_num, ""));
  69                 } else if (!strncasecmp("name", data, 4)) {
  70                         if (chan->cid.cid_name) {
  71                                 ast_copy_string(buf, chan->cid.cid_name, len);
  72                         }
  73                 } else if (!strncasecmp("num", data, 3)
  74                                    || !strncasecmp("number", data, 6)) {
  75                         if (chan->cid.cid_num) {
  76                                 ast_copy_string(buf, chan->cid.cid_num, len);
  77                         }
  78                 } else if (!strncasecmp("ani", data, 3)) {
  79                         if (chan->cid.cid_ani) {
  80                                 ast_copy_string(buf, chan->cid.cid_ani, len);
  81                         }
  82                 } else if (!strncasecmp("dnid", data, 4)) {
  83                         if (chan->cid.cid_dnid) {
  84                                 ast_copy_string(buf, chan->cid.cid_dnid, len);
  85                         }
  86                 } else if (!strncasecmp("rdnis", data, 5)) {
  87                         if (chan->cid.cid_rdnis) {
  88                                 ast_copy_string(buf, chan->cid.cid_rdnis, len);
  89                         }
  90                 } else {
  91                         ast_log(LOG_ERROR, "Unknown callerid data type '%s'.\n", data);
  92                 }
  93         }
  94
  95         return 0;
  96 }
  97
  98 static int callerid_write(struct ast_channel *chan, char *cmd, char *data,
  99                           const char *value)
 100 {
 101         if (!value)
 102                 return -1;
 103
 104         if (!strncasecmp("all", data, 3)) {
 105                 char name[256];
 106                 char num[256];
 107
 108                 if (!ast_callerid_split(value, name, sizeof(name), num, sizeof(num)))
 109                         ast_set_callerid(chan, num, name, num);
 110         } else if (!strncasecmp("name", data, 4)) {
 111                 ast_set_callerid(chan, NULL, value, NULL);
 112         } else if (!strncasecmp("num", data, 3) ||
 113                    !strncasecmp("number", data, 6)) {
 114                 ast_set_callerid(chan, value, NULL, NULL);
 115         } else if (!strncasecmp("ani", data, 3)) {
 116                 ast_set_callerid(chan, NULL, NULL, value);
 117         } else if (!strncasecmp("dnid", data, 4)) {
 118                 /* do we need to lock chan here? */
 119                 if (chan->cid.cid_dnid)
 120                         free(chan->cid.cid_dnid);
 121                 chan->cid.cid_dnid = ast_strdup(value);
 122         } else if (!strncasecmp("rdnis", data, 5)) {
 123                 /* do we need to lock chan here? */
 124                 if (chan->cid.cid_rdnis)
 125                         free(chan->cid.cid_rdnis);
 126                 chan->cid.cid_rdnis = ast_strdup(value);
 127         } else {
 128                 ast_log(LOG_ERROR, "Unknown callerid data type '%s'.\n", data);
 129         }
 130
 131         return 0;
 132 }
 133
 134 static struct ast_custom_function callerid_function = {
 135         .name = "CALLERID",
 136         .synopsis = "Gets or sets Caller*ID data on the channel.",
 137         .syntax = "CALLERID(datatype[,<optional-CID>])",
 138         .desc =
 139                 "Gets or sets Caller*ID data on the channel.  The allowable datatypes\n"
 140                 "are \"all\", \"name\", \"num\", \"ANI\", \"DNID\", \"RDNIS\".\n"
 141                 "Uses channel callerid by default or optional callerid, if specified.\n",
 142         .read = callerid_read,
 143         .write = callerid_write,
 144 };
 145
 146 static int unload_module(void)
 147 {
 148         return ast_custom_function_unregister(&callerid_function);
 149 }
 150
 151 static int load_module(void)
 152 {
 153         return ast_custom_function_register(&callerid_function);
 154 }
 155
 156 AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Caller ID related dialplan function");