Adding upstream version 1:9.16.44.upstream/1%9.16.44

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 278 insertions, 0 deletions

diff --git a/bin/dnssec/dnssec-revoke.c b/bin/dnssec/dnssec-revoke.c
new file mode 100644
index 0000000..c532463
--- /dev/null
+++ b/bin/dnssec/dnssec-revoke.c
@@ -0,0 +1,278 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*! \file */
+
+#include <inttypes.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include <isc/buffer.h>
+#include <isc/commandline.h>
+#include <isc/file.h>
+#include <isc/hash.h>
+#include <isc/mem.h>
+#include <isc/print.h>
+#include <isc/string.h>
+#include <isc/util.h>
+
+#include <dns/keyvalues.h>
+#include <dns/result.h>
+
+#include <dst/dst.h>
+
+#if USE_PKCS11
+#include <pk11/result.h>
+#endif /* if USE_PKCS11 */
+
+#include "dnssectool.h"
+
+const char *program = "dnssec-revoke";
+
+static isc_mem_t *mctx = NULL;
+
+ISC_PLATFORM_NORETURN_PRE static void
+usage(void) ISC_PLATFORM_NORETURN_POST;
+
+static void
+usage(void) {
+	fprintf(stderr, "Usage:\n");
+	fprintf(stderr, "    %s [options] keyfile\n\n", program);
+	fprintf(stderr, "Version: %s\n", VERSION);
+#if USE_PKCS11
+	fprintf(stderr,
+		"    -E engine:    specify PKCS#11 provider "
+		"(default: %s)\n",
+		PK11_LIB_LOCATION);
+#else  /* if USE_PKCS11 */
+	fprintf(stderr, "    -E engine:    specify OpenSSL engine\n");
+#endif /* if USE_PKCS11 */
+	fprintf(stderr, "    -f:           force overwrite\n");
+	fprintf(stderr, "    -h:           help\n");
+	fprintf(stderr, "    -K directory: use directory for key files\n");
+	fprintf(stderr, "    -r:           remove old keyfiles after "
+			"creating revoked version\n");
+	fprintf(stderr, "    -v level:     set level of verbosity\n");
+	fprintf(stderr, "    -V:           print version information\n");
+	fprintf(stderr, "Output:\n");
+	fprintf(stderr, "     K<name>+<alg>+<new id>.key, "
+			"K<name>+<alg>+<new id>.private\n");
+
+	exit(-1);
+}
+
+int
+main(int argc, char **argv) {
+	isc_result_t result;
+	const char *engine = NULL;
+	char const *filename = NULL;
+	char *dir = NULL;
+	char newname[1024], oldname[1024];
+	char keystr[DST_KEY_FORMATSIZE];
+	char *endp;
+	int ch;
+	dst_key_t *key = NULL;
+	uint32_t flags;
+	isc_buffer_t buf;
+	bool force = false;
+	bool removefile = false;
+	bool id = false;
+
+	if (argc == 1) {
+		usage();
+	}
+
+	isc_mem_create(&mctx);
+
+#if USE_PKCS11
+	pk11_result_register();
+#endif /* if USE_PKCS11 */
+	dns_result_register();
+
+	isc_commandline_errprint = false;
+
+	while ((ch = isc_commandline_parse(argc, argv, "E:fK:rRhv:V")) != -1) {
+		switch (ch) {
+		case 'E':
+			engine = isc_commandline_argument;
+			break;
+		case 'f':
+			force = true;
+			break;
+		case 'K':
+			/*
+			 * We don't have to copy it here, but do it to
+			 * simplify cleanup later
+			 */
+			dir = isc_mem_strdup(mctx, isc_commandline_argument);
+			break;
+		case 'r':
+			removefile = true;
+			break;
+		case 'R':
+			id = true;
+			break;
+		case 'v':
+			verbose = strtol(isc_commandline_argument, &endp, 0);
+			if (*endp != '\0') {
+				fatal("-v must be followed by a number");
+			}
+			break;
+		case '?':
+			if (isc_commandline_option != '?') {
+				fprintf(stderr, "%s: invalid argument -%c\n",
+					program, isc_commandline_option);
+			}
+			FALLTHROUGH;
+		case 'h':
+			/* Does not return. */
+			usage();
+
+		case 'V':
+			/* Does not return. */
+			version(program);
+
+		default:
+			fprintf(stderr, "%s: unhandled option -%c\n", program,
+				isc_commandline_option);
+			exit(1);
+		}
+	}
+
+	if (argc < isc_commandline_index + 1 ||
+	    argv[isc_commandline_index] == NULL)
+	{
+		fatal("The key file name was not specified");
+	}
+	if (argc > isc_commandline_index + 1) {
+		fatal("Extraneous arguments");
+	}
+
+	if (dir != NULL) {
+		filename = argv[isc_commandline_index];
+	} else {
+		result = isc_file_splitpath(mctx, argv[isc_commandline_index],
+					    &dir, &filename);
+		if (result != ISC_R_SUCCESS) {
+			fatal("cannot process filename %s: %s",
+			      argv[isc_commandline_index],
+			      isc_result_totext(result));
+		}
+		if (strcmp(dir, ".") == 0) {
+			isc_mem_free(mctx, dir);
+			dir = NULL;
+		}
+	}
+
+	result = dst_lib_init(mctx, engine);
+	if (result != ISC_R_SUCCESS) {
+		fatal("Could not initialize dst: %s",
+		      isc_result_totext(result));
+	}
+
+	result = dst_key_fromnamedfile(
+		filename, dir, DST_TYPE_PUBLIC | DST_TYPE_PRIVATE, mctx, &key);
+	if (result != ISC_R_SUCCESS) {
+		fatal("Invalid keyfile name %s: %s", filename,
+		      isc_result_totext(result));
+	}
+
+	if (id) {
+		fprintf(stdout, "%u\n", dst_key_rid(key));
+		goto cleanup;
+	}
+	dst_key_format(key, keystr, sizeof(keystr));
+
+	if (verbose > 2) {
+		fprintf(stderr, "%s: %s\n", program, keystr);
+	}
+
+	if (force) {
+		set_keyversion(key);
+	} else {
+		check_keyversion(key, keystr);
+	}
+
+	flags = dst_key_flags(key);
+	if ((flags & DNS_KEYFLAG_REVOKE) == 0) {
+		isc_stdtime_t now;
+
+		if ((flags & DNS_KEYFLAG_KSK) == 0) {
+			fprintf(stderr,
+				"%s: warning: Key is not flagged "
+				"as a KSK. Revoking a ZSK is "
+				"legal, but undefined.\n",
+				program);
+		}
+
+		isc_stdtime_get(&now);
+		dst_key_settime(key, DST_TIME_REVOKE, now);
+
+		dst_key_setflags(key, flags | DNS_KEYFLAG_REVOKE);
+
+		isc_buffer_init(&buf, newname, sizeof(newname));
+		dst_key_buildfilename(key, DST_TYPE_PUBLIC, dir, &buf);
+
+		if (access(newname, F_OK) == 0 && !force) {
+			fatal("Key file %s already exists; "
+			      "use -f to force overwrite",
+			      newname);
+		}
+
+		result = dst_key_tofile(key, DST_TYPE_PUBLIC | DST_TYPE_PRIVATE,
+					dir);
+		if (result != ISC_R_SUCCESS) {
+			dst_key_format(key, keystr, sizeof(keystr));
+			fatal("Failed to write key %s: %s", keystr,
+			      isc_result_totext(result));
+		}
+
+		isc_buffer_clear(&buf);
+		dst_key_buildfilename(key, 0, dir, &buf);
+		printf("%s\n", newname);
+
+		/*
+		 * Remove old key file, if told to (and if
+		 * it isn't the same as the new file)
+		 */
+		if (removefile) {
+			isc_buffer_init(&buf, oldname, sizeof(oldname));
+			dst_key_setflags(key, flags & ~DNS_KEYFLAG_REVOKE);
+			dst_key_buildfilename(key, DST_TYPE_PRIVATE, dir, &buf);
+			if (strcmp(oldname, newname) == 0) {
+				goto cleanup;
+			}
+			(void)unlink(oldname);
+			isc_buffer_clear(&buf);
+			dst_key_buildfilename(key, DST_TYPE_PUBLIC, dir, &buf);
+			(void)unlink(oldname);
+		}
+	} else {
+		dst_key_format(key, keystr, sizeof(keystr));
+		fatal("Key %s is already revoked", keystr);
+	}
+
+cleanup:
+	dst_key_free(&key);
+	dst_lib_destroy();
+	if (verbose > 10) {
+		isc_mem_stats(mctx, stdout);
+	}
+	if (dir != NULL) {
+		isc_mem_free(mctx, dir);
+	}
+	isc_mem_destroy(&mctx);
+
+	return (0);
+}