Update Tools

tools/cmsverify.c

@@ -0,0 +1,177 @@
+/*
+ * Copyright (c) 2021 - 2021 The GmSSL Project.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ *    software must display the following acknowledgment:
+ *    "This product includes software developed by the GmSSL Project.
+ *    (http://gmssl.org/)"
+ *
+ * 4. The name "GmSSL Project" must not be used to endorse or promote
+ *    products derived from this software without prior written
+ *    permission. For written permission, please contact
+ *    guanzhi1980@gmail.com.
+ *
+ * 5. Products derived from this software may not be called "GmSSL"
+ *    nor may "GmSSL" appear in their names without prior written
+ *    permission of the GmSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the GmSSL Project
+ *    (http://gmssl.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE GmSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE GmSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+#include <stdlib.h>
+#include <sys/stat.h>
+#include <gmssl/cms.h>
+#include <gmssl/x509.h>
+#include <gmssl/rand.h>
+
+
+
+static const char *options = "-in file [-out file]";
+
+int cmsverify_main(int argc, char **argv)
+{
+	int ret = 1;
+	char *prog = argv[0];
+	char *infile = NULL;
+	char *outfile = NULL;
+	FILE *infp = NULL;
+	FILE *outfp = NULL;
+	struct stat st;
+	uint8_t *cms = NULL;
+	size_t cmslen, cms_maxlen;
+
+	int content_type;
+	const uint8_t *content;
+	size_t content_len;
+	const uint8_t *certs;
+	size_t certslen;
+	const uint8_t *crls;
+	size_t crlslen;
+	const uint8_t *signer_infos;
+	size_t signer_infos_len;
+	int rv;
+
+	argc--;
+	argv++;
+
+	if (argc < 1) {
+		fprintf(stderr, "usage: %s %s\n", prog, options);
+		return 1;
+	}
+
+	while (argc > 1) {
+		if (!strcmp(*argv, "-help")) {
+			printf("usage: %s %s\n", prog, options);
+			ret = 0;
+			goto end;
+		} else if (!strcmp(*argv, "-in")) {
+			if (--argc < 1) goto bad;
+			infile = *(++argv);
+			if (!(infp = fopen(infile, "r"))) {
+				fprintf(stderr, "%s: open '%s' failure : %s\n", prog, infile, strerror(errno));
+				goto end;
+			}
+		} else if (!strcmp(*argv, "-out")) {
+			if (--argc < 1) goto bad;
+			outfile = *(++argv);
+			if (!(outfp = fopen(outfile, "w"))) {
+				fprintf(stderr, "%s: open '%s' failure : %s\n", prog, outfile, strerror(errno));
+				goto end;
+			}
+		} 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;
+	}
+	fstat(fileno(infp), &st);
+	cms_maxlen = (st.st_size * 3)/4 + 1;
+	if (!(cms = malloc(cms_maxlen))) {
+		fprintf(stderr, "%s: malloc failure\n", prog);
+		goto end;
+	}
+	if (cms_from_pem(cms, &cmslen, cms_maxlen, infp) != 1) {
+		fprintf(stderr, "%s: read CMS failure\n", prog);
+		goto end;
+	}
+
+	if ((rv = cms_verify(cms, cmslen, NULL, 0, NULL, 0,
+		&content_type, &content, &content_len,
+		&certs, &certslen, &crls, &crlslen,
+		&signer_infos, &signer_infos_len)) < 0) {
+		fprintf(stderr, "%s: verify error\n", prog);
+		goto end;
+	}
+	printf("verify %s\n", rv ? "success" : "failure");
+	ret = rv ? 0 : 1;
+
+	if (outfile) {
+		const uint8_t *p;
+		size_t len;
+
+		if (content_type == OID_cms_data) {
+			if (asn1_octet_string_from_der(&p, &len, &content, &content_len) != 1
+				|| asn1_length_is_zero(content_len) != 1) {
+				fprintf(stderr, "%s: invalid CMS\n", prog);
+				goto end;
+			}
+			if (len != fwrite(p, 1, len, outfp)) {
+				fprintf(stderr, "%s: output error : %s\n", prog, strerror(errno));
+				goto end;
+			}
+		} else {
+			fprintf(stderr, "%s: error\n", prog);
+			goto end;
+		}
+
+	}
+
+
+
+end:
+	if (infile && infp) fclose(infp);
+	if (outfile && outfp) fclose(outfp);
+	if (cms) free(cms);
+	return ret;
+}