1 files changed, 136 insertions, 0 deletions
diff --git a/contrib/bind9/bin/tools/isc-hmac-fixup.c b/contrib/bind9/bin/tools/isc-hmac-fixup.c
new file mode 100644
index 000000000000..09cb85deeebc
--- /dev/null
+++ b/contrib/bind9/bin/tools/isc-hmac-fixup.c
@@ -0,0 +1,136 @@
+/*
+ * Copyright (C) 2010  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or 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.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: isc-hmac-fixup.c,v 1.4 2010-03-10 02:17:52 marka Exp $ */
+
+#include <config.h>
+
+#include <isc/base64.h>
+#include <isc/buffer.h>
+#include <isc/md5.h>
+#include <isc/region.h>
+#include <isc/result.h>
+#include <isc/sha1.h>
+#include <isc/sha2.h>
+#include <isc/stdio.h>
+#include <isc/string.h>
+
+#define HMAC_LEN	64
+
+int
+main(int argc, char **argv)  {
+	isc_buffer_t buf;
+	unsigned char key[1024];
+	char secret[1024];
+	char base64[(1024*4)/3];
+	isc_region_t r;
+	isc_result_t result;
+
+	if (argc != 3) {
+		fprintf(stderr, "Usage:\t%s algorithm secret\n", argv[0]);
+		fprintf(stderr, "\talgorithm: (MD5 | SHA1 | SHA224 | "
+				"SHA256 | SHA384 | SHA512)\n");
+		return (1);
+	}
+
+	isc_buffer_init(&buf, secret, sizeof(secret));
+	result = isc_base64_decodestring(argv[2], &buf);
+	if (result != ISC_R_SUCCESS) {
+		fprintf(stderr, "error: %s\n", isc_result_totext(result));
+		return (1);
+	}
+	isc__buffer_usedregion(&buf, &r);
+
+	if (!strcasecmp(argv[1], "md5") ||
+	    !strcasecmp(argv[1], "hmac-md5")) {
+		if (r.length > HMAC_LEN) {
+			isc_md5_t md5ctx;
+			isc_md5_init(&md5ctx);
+			isc_md5_update(&md5ctx, r.base, r.length);
+			isc_md5_final(&md5ctx, key);
+
+			r.base = key;
+			r.length = ISC_MD5_DIGESTLENGTH;
+		}
+	} else if (!strcasecmp(argv[1], "sha1") ||
+		   !strcasecmp(argv[1], "hmac-sha1")) {
+		if (r.length > ISC_SHA1_DIGESTLENGTH) {
+			isc_sha1_t sha1ctx;
+			isc_sha1_init(&sha1ctx);
+			isc_sha1_update(&sha1ctx, r.base, r.length);
+			isc_sha1_final(&sha1ctx, key);
+
+			r.base = key;
+			r.length = ISC_SHA1_DIGESTLENGTH;
+		}
+	} else if (!strcasecmp(argv[1], "sha224") ||
+		   !strcasecmp(argv[1], "hmac-sha224")) {
+		if (r.length > ISC_SHA224_DIGESTLENGTH) {
+			isc_sha224_t sha224ctx;
+			isc_sha224_init(&sha224ctx);
+			isc_sha224_update(&sha224ctx, r.base, r.length);
+			isc_sha224_final(key, &sha224ctx);
+
+			r.base = key;
+			r.length = ISC_SHA224_DIGESTLENGTH;
+		}
+	} else if (!strcasecmp(argv[1], "sha256") ||
+		   !strcasecmp(argv[1], "hmac-sha256")) {
+		if (r.length > ISC_SHA256_DIGESTLENGTH) {
+			isc_sha256_t sha256ctx;
+			isc_sha256_init(&sha256ctx);
+			isc_sha256_update(&sha256ctx, r.base, r.length);
+			isc_sha256_final(key, &sha256ctx);
+
+			r.base = key;
+			r.length = ISC_SHA256_DIGESTLENGTH;
+		}
+	} else if (!strcasecmp(argv[1], "sha384") ||
+		   !strcasecmp(argv[1], "hmac-sha384")) {
+		if (r.length > ISC_SHA384_DIGESTLENGTH) {
+			isc_sha384_t sha384ctx;
+			isc_sha384_init(&sha384ctx);
+			isc_sha384_update(&sha384ctx, r.base, r.length);
+			isc_sha384_final(key, &sha384ctx);
+
+			r.base = key;
+			r.length = ISC_SHA384_DIGESTLENGTH;
+		}
+	} else if (!strcasecmp(argv[1], "sha512") ||
+		   !strcasecmp(argv[1], "hmac-sha512")) {
+		if (r.length > ISC_SHA512_DIGESTLENGTH) {
+			isc_sha512_t sha512ctx;
+			isc_sha512_init(&sha512ctx);
+			isc_sha512_update(&sha512ctx, r.base, r.length);
+			isc_sha512_final(key, &sha512ctx);
+
+			r.base = key;
+			r.length = ISC_SHA512_DIGESTLENGTH;
+		}
+	} else {
+		fprintf(stderr, "unknown hmac/digest algorithm: %s\n", argv[1]);
+		return (1);
+	}
+
+	isc_buffer_init(&buf, base64, sizeof(base64));
+	result = isc_base64_totext(&r, 0, "", &buf);
+	if (result != ISC_R_SUCCESS) {
+		fprintf(stderr, "error: %s\n", isc_result_totext(result));
+		return (1);
+	}
+	fprintf(stdout, "%.*s\n", (int)isc_buffer_usedlength(&buf), base64);
+	return (0);
+}