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Diffstat (limited to '1.2-netsec/funcs/func_strings.c')
| -rw-r--r-- | 1.2-netsec/funcs/func_strings.c | 229 |
1 files changed, 0 insertions, 229 deletions
diff --git a/1.2-netsec/funcs/func_strings.c b/1.2-netsec/funcs/func_strings.c deleted file mode 100644 index 503611bbe..000000000 --- a/1.2-netsec/funcs/func_strings.c +++ /dev/null @@ -1,229 +0,0 @@ -/* - * Asterisk -- An open source telephony toolkit. - * - * Copyright (C) 2005, Digium, Inc. - * Portions Copyright (C) 2005, Tilghman Lesher. All rights reserved. - * Portions Copyright (C) 2005, Anthony Minessale II - * - * See http://www.asterisk.org for more information about - * the Asterisk project. Please do not directly contact - * any of the maintainers of this project for assistance; - * the project provides a web site, mailing lists and IRC - * channels for your use. - * - * This program is free software, distributed under the terms of - * the GNU General Public License Version 2. See the LICENSE file - * at the top of the source tree. - */ - -/*! \file - * - * \brief String manipulation dialplan functions - * - */ - -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include <sys/types.h> -#include <regex.h> - -#include "asterisk.h" - -/* ASTERISK_FILE_VERSION(__FILE__, "$Revision$") */ - -#include "asterisk/channel.h" -#include "asterisk/pbx.h" -#include "asterisk/logger.h" -#include "asterisk/utils.h" -#include "asterisk/app.h" -#include "asterisk/localtime.h" - -static char *function_fieldqty(struct ast_channel *chan, char *cmd, char *data, char *buf, size_t len) -{ - char *varname, *varval, workspace[256]; - char *delim = ast_strdupa(data); - int fieldcount = 0; - - if (delim) { - varname = strsep(&delim, "|"); - pbx_retrieve_variable(chan, varname, &varval, workspace, sizeof(workspace), NULL); - if (delim) { - while (strsep(&varval, delim)) - fieldcount++; - } else if (!ast_strlen_zero(varval)) { - fieldcount = 1; - } - snprintf(buf, len, "%d", fieldcount); - } else { - ast_log(LOG_ERROR, "Out of memory\n"); - strncpy(buf, "1", len); - } - return buf; -} - -#ifndef BUILTIN_FUNC -static -#endif -struct ast_custom_function fieldqty_function = { - .name = "FIELDQTY", - .synopsis = "Count the fields, with an arbitrary delimiter", - .syntax = "FIELDQTY(<varname>,<delim>)", - .read = function_fieldqty, -}; - -static char *builtin_function_regex(struct ast_channel *chan, char *cmd, char *data, char *buf, size_t len) -{ - char *arg, *earg = NULL, *tmp, errstr[256] = ""; - int errcode; - regex_t regexbuf; - - ast_copy_string(buf, "0", len); - - tmp = ast_strdupa(data); - if (!tmp) { - ast_log(LOG_ERROR, "Out of memory in %s(%s)\n", cmd, data); - return buf; - } - - /* Regex in quotes */ - arg = strchr(tmp, '"'); - if (arg) { - arg++; - earg = strrchr(arg, '"'); - if (earg) { - *earg++ = '\0'; - /* Skip over any spaces before the data we are checking */ - while (*earg == ' ') - earg++; - } - } else { - arg = tmp; - } - - if ((errcode = regcomp(®exbuf, arg, REG_EXTENDED | REG_NOSUB))) { - regerror(errcode, ®exbuf, errstr, sizeof(errstr)); - ast_log(LOG_WARNING, "Malformed input %s(%s): %s\n", cmd, data, errstr); - } else { - if (!regexec(®exbuf, earg ? earg : "", 0, NULL, 0)) - ast_copy_string(buf, "1", len); - } - regfree(®exbuf); - - return buf; -} - -#ifndef BUILTIN_FUNC -static -#endif -struct ast_custom_function regex_function = { - .name = "REGEX", - .synopsis = "Regular Expression: Returns 1 if data matches regular expression.", - .syntax = "REGEX(\"<regular expression>\" <data>)", - .read = builtin_function_regex, -}; - -static char *builtin_function_len(struct ast_channel *chan, char *cmd, char *data, char *buf, size_t len) -{ - int length = 0; - if (data) { - length = strlen(data); - } - snprintf(buf, len, "%d", length); - return buf; -} - -#ifndef BUILTIN_FUNC -static -#endif -struct ast_custom_function len_function = { - .name = "LEN", - .synopsis = "Returns the length of the argument given", - .syntax = "LEN(<string>)", - .read = builtin_function_len, -}; - -static char *acf_strftime(struct ast_channel *chan, char *cmd, char *data, char *buf, size_t len) -{ - char *format, *epoch, *timezone = NULL; - long epochi; - struct tm time; - - buf[0] = '\0'; - - if (!data) { - ast_log(LOG_ERROR, "Asterisk function STRFTIME() requires an argument.\n"); - return buf; - } - - format = ast_strdupa(data); - if (!format) { - ast_log(LOG_ERROR, "Out of memory\n"); - return buf; - } - - epoch = strsep(&format, "|"); - timezone = strsep(&format, "|"); - - if (ast_strlen_zero(epoch) || !sscanf(epoch, "%ld", &epochi)) { - struct timeval tv = ast_tvnow(); - epochi = tv.tv_sec; - } - - ast_localtime(&epochi, &time, timezone); - - if (!format) { - format = "%c"; - } - - if (!strftime(buf, len, format, &time)) { - ast_log(LOG_WARNING, "C function strftime() output nothing?!!\n"); - } - buf[len - 1] = '\0'; - - return buf; -} - -#ifndef BUILTIN_FUNC -static -#endif -struct ast_custom_function strftime_function = { - .name = "STRFTIME", - .synopsis = "Returns the current date/time in a specified format.", - .syntax = "STRFTIME([<epoch>][,[timezone][,format]])", - .read = acf_strftime, -}; - -static char *function_eval(struct ast_channel *chan, char *cmd, char *data, char *buf, size_t len) -{ - memset(buf, 0, len); - - if (ast_strlen_zero(data)) { - ast_log(LOG_WARNING, "EVAL requires an argument: EVAL(<string>)\n"); - return buf; - } - - pbx_substitute_variables_helper(chan, data, buf, len - 1); - - return buf; -} - -#ifndef BUILTIN_FUNC -static -#endif -struct ast_custom_function eval_function = { - .name = "EVAL", - .synopsis = "Evaluate stored variables.", - .syntax = "EVAL(<variable>)", - .desc = "Using EVAL basically causes a string to be evaluated twice.\n" - "When a variable or expression is in the dialplan, it will be\n" - "evaluated at runtime. However, if the result of the evaluation\n" - "is in fact a variable or expression, using EVAL will have it\n" - "evaluated a second time. For example, if the variable ${MYVAR}\n" - "contains \"${OTHERVAR}\", then the result of putting ${EVAL(${MYVAR})}\n" - "in the dialplan will be the contents of the variable, OTHERVAR.\n" - "Normally, by just putting ${MYVAR} in the dialplan, you would be\n" - "left with \"${OTHERVAR}\".\n", - .read = function_eval, -}; - |