Update CRL functions and tools

tools/crlgen.c

@@ -0,0 +1,161 @@
+/*
+ *  Copyright 2014-2023 The GmSSL Project. All Rights Reserved.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the License); you may
+ *  not use this file except in compliance with the License.
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ */
+
+
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+#include <stdlib.h>
+#include <gmssl/pem.h>
+#include <gmssl/x509.h>
+#include <gmssl/x509_crl.h>
+#include <gmssl/file.h>
+
+
+static const char *options =
+	"-in RevokedCertificate.der"
+	" -key pem -pass str -cert pem"
+	" [-next_update timestamp] "
+	" [-out crl.der]";
+
+int crlgen_main(int argc, char **argv)
+{
+	int ret = 1;
+	char *prog = argv[0];
+	char *infile = NULL;
+	uint8_t *revoked_certs = NULL;
+	size_t revoked_certs_len = 0;
+	char *outfile = NULL;
+	FILE *outfp = stdout;
+	char *keyfile = NULL;
+	char *pass = NULL;
+	FILE *keyfp = NULL;
+	SM2_KEY sign_key;
+	char *cacertfile = NULL;
+	uint8_t *cacert = NULL;
+	size_t cacert_len = 0;
+	const uint8_t *issuer;
+	size_t issuer_len;
+	time_t next_update = -1;
+
+	uint8_t outbuf[64 * 1024];
+	uint8_t *out = outbuf;
+	size_t outlen = 0;
+
+	argc--;
+	argv++;
+
+	while (argc > 0) {
+		if (!strcmp(*argv, "-help")) {
+			printf("usage: %s %s\n", prog, options);
+			goto end;
+
+		} else if (!strcmp(*argv, "-in")) {
+			if (--argc < 1) goto bad;
+			infile = *(++argv);
+			if (file_read_all(infile, &revoked_certs, &revoked_certs_len) != 1) {
+				fprintf(stderr, "%s: read input file failed\n", prog);
+				goto end;
+			}
+		} else if (!strcmp(*argv, "-out")) {
+			if (--argc < 1) goto bad;
+			outfile = *(++argv);
+			if (!(outfp = fopen(outfile, "wb"))) {
+				fprintf(stderr, "%s: open '%s' failure : %s\n", prog, outfile, strerror(errno));
+				goto end;
+			}
+		} else if (!strcmp(*argv, "-key")) {
+			if (--argc < 1) goto bad;
+			keyfile = *(++argv);
+			if (!(keyfp = fopen(keyfile, "rb"))) {
+				fprintf(stderr, "%s: open '%s' failure : %s\n", prog, keyfile, strerror(errno));
+				goto end;
+			}
+		} else if (!strcmp(*argv, "-pass")) {
+			if (--argc < 1) goto bad;
+		} else if (!strcmp(*argv, "-cacert")) {
+			if (--argc < 1) goto bad;
+			cacertfile = *(++argv);
+			if (x509_cert_new_from_file(&cacert, &cacert_len, cacertfile) != 1) {
+				goto end;
+			}
+		} else if (!strcmp(*argv, "-next_update")) {
+			if (--argc < 1) goto bad;
+			next_update = atoi(*(++argv));
+		} else {
+			fprintf(stderr, "%s: illegal option '%s'\n", prog, *argv);
+			goto end;
+bad:
+			fprintf(stderr, "%s: '%s' option value missing\n", prog, *argv);
+			goto end;
+		}
+
+		argc--;
+		argv++;
+	}
+
+	if (!infile) {
+		fprintf(stderr, "%s: '-in' option required\n", prog);
+		goto end;
+	}
+
+	if (!cacertfile) {
+		fprintf(stderr, "%s: '-cacert' option required\n", prog);
+		goto end;
+	}
+
+	if (!keyfile) {
+		fprintf(stderr, "%s: '-key' option required\n", prog);
+		goto end;
+	}
+	if (!pass) {
+		fprintf(stderr, "%s: '-pass' option required\n", prog);
+		goto end;
+	}
+
+
+	if (!revoked_certs || !revoked_certs_len) {
+		fprintf(stderr, "usage: %s %s\n", prog, options);
+		goto end;
+	}
+
+	if (x509_cert_get_subject(cacert, cacert_len, &issuer, &issuer_len) != 1) {
+		fprintf(stderr, "%s: parse CA certificate failure\n", prog);
+		goto end;
+	}
+	if (sm2_private_key_info_decrypt_from_pem(&sign_key, pass, keyfp) != 1) {
+		fprintf(stderr, "%s: load private key failure\n", prog);
+		goto end;
+	}
+
+	if (x509_crl_sign_to_der(
+		X509_version_v2,
+		OID_sm2sign_with_sm3,
+		issuer, issuer_len,
+		time(NULL), next_update,
+		revoked_certs, revoked_certs_len,
+		NULL, 0,
+		&sign_key, SM2_DEFAULT_ID, SM2_DEFAULT_ID_LENGTH,
+		&out, &outlen) != 1) {
+
+	//	error_print();
+		return -1;
+	}
+
+	if (fwrite(outbuf, 1, outlen, outfp) != outlen) {
+		fprintf(stderr, "%s: output failure\n", prog);
+		return -1;
+	}
+	ret = 0;
+
+end:
+	//if (cert) free(cert);
+	if (outfile && outfp) fclose(outfp);
+	return ret;
+}