diff options
Diffstat (limited to 'funcs/func_md5.c')
-rwxr-xr-x | funcs/func_md5.c | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/funcs/func_md5.c b/funcs/func_md5.c new file mode 100755 index 000000000..001229577 --- /dev/null +++ b/funcs/func_md5.c @@ -0,0 +1,86 @@ +/* + * Asterisk -- A telephony toolkit for Linux. + * + * MD5 digest related dialplan functions + * + * Copyright (C) 2005, Digium, Inc. + * + * This program is free software, distributed under the terms of + * the GNU General Public License + */ + +#include <stdlib.h> +#include <string.h> +#include <sys/types.h> + +#include "asterisk/channel.h" +#include "asterisk/pbx.h" +#include "asterisk/logger.h" +#include "asterisk/utils.h" +#include "asterisk/app.h" + +static char *builtin_function_md5(struct ast_channel *chan, char *cmd, char *data, char *buf, size_t len) +{ + char md5[33]; + + if (!data || ast_strlen_zero(data)) { + ast_log(LOG_WARNING, "Syntax: MD5(<data>) - missing argument!\n"); + return NULL; + } + + ast_md5_hash(md5, data); + ast_copy_string(buf, md5, len); + + return buf; +} + +static char *builtin_function_checkmd5(struct ast_channel *chan, char *cmd, char *data, char *buf, size_t len) +{ + int argc; + char *argv[2]; + char *args; + char newmd5[33]; + + if (!data || ast_strlen_zero(data)) { + ast_log(LOG_WARNING, "Syntax: CHECK_MD5(<digest>,<data>) - missing argument!\n"); + return NULL; + } + + args = ast_strdupa(data); + argc = ast_separate_app_args(args, '|', argv, sizeof(argv) / sizeof(argv[0])); + + if (argc < 2) { + ast_log(LOG_WARNING, "Syntax: CHECK_MD5(<digest>,<data>) - missing argument!\n"); + return NULL; + } + + ast_md5_hash(newmd5, argv[1]); + + if (!strcasecmp(newmd5, argv[0])) /* they match */ + ast_copy_string(buf, "1", len); + else + ast_copy_string(buf, "0", len); + + return buf; +} + +#ifndef BUILTIN_FUNC +static +#endif +struct ast_custom_function md5_function = { + .name = "MD5", + .synopsis = "Computes an MD5 digest", + .syntax = "MD5(<data>)", + .read = builtin_function_md5, +}; + +#ifndef BUILTIN_FUNC +static +#endif +struct ast_custom_function checkmd5_function = { + .name = "CHECK_MD5", + .synopsis = "Checks an MD5 digest", + .desc = "Returns 1 on a match, 0 otherwise\n", + .syntax = "CHECK_MD5(<digest>,<data>)", + .read = builtin_function_checkmd5, +}; |