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/*
* Copyright (C) 2011,2013 NORDUnet A/S
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include "radsecproxy.h"
#include "fticks_hashmac.h"
void
usage()
{
fprintf(stderr,
"usage: radsecproxy-hash [-h] [-k key] [-t type]\n"
#if defined (READ_CONFIG)
" -c configfile\tuse configuration from CONFIGFILE\n"
#endif
" -h\t\t\tdisplay this help and exit\n"
" -k key\t\tuse KEY for HMAC\n"
" -t type\t\tprint digest of type TYPE [hash|hmac]\n");
exit(1);
}
#define MYNAME "radsecproxy-hash"
int
main(int argc, char *argv[])
{
int opt;
#if defined(READ_CONFIG)
char *config = NULL;
#endif
uint8_t buf[64+1];
char mac[80+1];
uint8_t *key = NULL;
enum { TYPE_HASH, TYPE_HMAC } type = TYPE_HASH;
while ((opt = getopt(argc, argv, "hk:t:")) != -1) {
switch (opt) {
#if defined(READ_CONFIG)
case 'c':
config = optarg;
break;
#endif
case 'h':
usage();
case 'k':
key = (uint8_t *) optarg;
break;
case 't':
if (strcmp(optarg, "hash") == 0)
type = TYPE_HASH;
else if (strcmp(optarg, "hmac") == 0)
type = TYPE_HMAC;
else
usage();
break;
default:
usage();
}
}
while (fgets(mac, sizeof(mac), stdin) != NULL) {
if (type == TYPE_HASH) {
if (fticks_hashmac((uint8_t *) mac, NULL, sizeof(buf), buf) != 0) {
fprintf(stderr, "%s: out of memory\n", MYNAME);
return 3;
}
}
else if (type == TYPE_HMAC) {
if (key == NULL) {
fprintf(stderr, "%s: generating HMAC requires a key, use `-k'\n",
MYNAME);
return 2;
}
if (fticks_hashmac((uint8_t *) mac, key, sizeof(buf), buf) != 0) {
fprintf(stderr, "%s: out of memory\n", MYNAME);
return 3;
}
}
puts((const char *) buf);
}
return 0;
}
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