Add radsecproxy-hash.c.

1 files changed, 91 insertions, 0 deletions

diff --git a/radsecproxy-hash.c b/radsecproxy-hash.c
new file mode 100644
index 0000000..48b3845
--- /dev/null
+++ b/radsecproxy-hash.c
@@ -0,0 +1,91 @@
+/*
+ * Copyright (C) 2011 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 "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 [mac|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[256];
+  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;
+}