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Diffstat (limited to 'trunk/funcs/func_base64.c')
-rw-r--r-- | trunk/funcs/func_base64.c | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/trunk/funcs/func_base64.c b/trunk/funcs/func_base64.c new file mode 100644 index 000000000..0849e9539 --- /dev/null +++ b/trunk/funcs/func_base64.c @@ -0,0 +1,87 @@ +/* + * Asterisk -- An open source telephony toolkit. + * + * Copyright (C) 2005 - 2006, Digium, Inc. + * Copyright (C) 2005, Claude Patry + * + * 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 Use the base64 as functions + * + * \ingroup functions + */ + +#include "asterisk.h" + +ASTERISK_FILE_VERSION(__FILE__, "$Revision$") + +#include "asterisk/module.h" +#include "asterisk/pbx.h" /* function register/unregister */ +#include "asterisk/utils.h" + +static int base64_encode(struct ast_channel *chan, const char *cmd, char *data, + char *buf, size_t len) +{ + if (ast_strlen_zero(data)) { + ast_log(LOG_WARNING, "Syntax: BASE64_ENCODE(<data>) - missing argument!\n"); + return -1; + } + + ast_base64encode(buf, (unsigned char *) data, strlen(data), len); + + return 0; +} + +static int base64_decode(struct ast_channel *chan, const char *cmd, char *data, + char *buf, size_t len) +{ + if (ast_strlen_zero(data)) { + ast_log(LOG_WARNING, "Syntax: BASE64_DECODE(<base_64 string>) - missing argument!\n"); + return -1; + } + + ast_base64decode((unsigned char *) buf, data, len); + + return 0; +} + +static struct ast_custom_function base64_encode_function = { + .name = "BASE64_ENCODE", + .synopsis = "Encode a string in base64", + .desc = "Returns the base64 string\n", + .syntax = "BASE64_ENCODE(<string>)", + .read = base64_encode, +}; + +static struct ast_custom_function base64_decode_function = { + .name = "BASE64_DECODE", + .synopsis = "Decode a base64 string", + .desc = "Returns the plain text string\n", + .syntax = "BASE64_DECODE(<base64_string>)", + .read = base64_decode, +}; + +static int unload_module(void) +{ + return ast_custom_function_unregister(&base64_encode_function) | + ast_custom_function_unregister(&base64_decode_function); +} + +static int load_module(void) +{ + return ast_custom_function_register(&base64_encode_function) | + ast_custom_function_register(&base64_decode_function); +} + +AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "base64 encode/decode dialplan functions"); |