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-rw-r--r--test/monniaux/BearSSL/tools/verify.c353
1 files changed, 353 insertions, 0 deletions
diff --git a/test/monniaux/BearSSL/tools/verify.c b/test/monniaux/BearSSL/tools/verify.c
new file mode 100644
index 00000000..74055784
--- /dev/null
+++ b/test/monniaux/BearSSL/tools/verify.c
@@ -0,0 +1,353 @@
+/*
+ * Copyright (c) 2016 Thomas Pornin <pornin@bolet.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdint.h>
+#include <errno.h>
+
+#include "brssl.h"
+#include "bearssl.h"
+
+static unsigned
+rsa_bit_length(const br_rsa_public_key *pk)
+{
+ size_t u;
+ unsigned x, bl;
+
+ for (u = 0; u < pk->nlen; u ++) {
+ if (pk->n[u] != 0) {
+ break;
+ }
+ }
+ if (u == pk->nlen) {
+ return 0;
+ }
+ bl = (unsigned)(pk->nlen - u - 1) << 3;
+ x = pk->n[u];
+ while (x != 0) {
+ bl ++;
+ x >>= 1;
+ }
+ return bl;
+}
+
+static void
+print_rsa(const br_rsa_public_key *pk, int print_text, int print_C)
+{
+ if (print_text) {
+ size_t u;
+
+ printf("n = ");
+ for (u = 0; u < pk->nlen; u ++) {
+ printf("%02X", pk->n[u]);
+ }
+ printf("\n");
+ printf("e = ");
+ for (u = 0; u < pk->elen; u ++) {
+ printf("%02X", pk->e[u]);
+ }
+ printf("\n");
+ }
+ if (print_C) {
+ size_t u;
+
+ printf("\nstatic const unsigned char RSA_N[] = {");
+ for (u = 0; u < pk->nlen; u ++) {
+ if (u != 0) {
+ printf(",");
+ }
+ if (u % 12 == 0) {
+ printf("\n\t");
+ } else {
+ printf(" ");
+ }
+ printf("0x%02X", pk->n[u]);
+ }
+ printf("\n};\n");
+ printf("\nstatic const unsigned char RSA_E[] = {");
+ for (u = 0; u < pk->elen; u ++) {
+ if (u != 0) {
+ printf(",");
+ }
+ if (u % 12 == 0) {
+ printf("\n\t");
+ } else {
+ printf(" ");
+ }
+ printf("0x%02X", pk->e[u]);
+ }
+ printf("\n};\n");
+ printf("\nstatic const br_rsa_public_key RSA = {\n");
+ printf("\t(unsigned char *)RSA_N, sizeof RSA_N,\n");
+ printf("\t(unsigned char *)RSA_E, sizeof RSA_E\n");
+ printf("};\n");
+ }
+}
+
+static void
+print_ec(const br_ec_public_key *pk, int print_text, int print_C)
+{
+ if (print_text) {
+ size_t u;
+
+ printf("Q = ");
+ for (u = 0; u < pk->qlen; u ++) {
+ printf("%02X", pk->q[u]);
+ }
+ printf("\n");
+ }
+ if (print_C) {
+ size_t u;
+
+ printf("\nstatic const unsigned char EC_Q[] = {");
+ for (u = 0; u < pk->qlen; u ++) {
+ if (u != 0) {
+ printf(",");
+ }
+ if (u % 12 == 0) {
+ printf("\n\t");
+ } else {
+ printf(" ");
+ }
+ printf("0x%02X", pk->q[u]);
+ }
+ printf("\n};\n");
+ printf("\nstatic const br_ec_public_key EC = {\n");
+ printf("\t%d,\n", pk->curve);
+ printf("\t(unsigned char *)EC_Q, sizeof EC_Q\n");
+ printf("};\n");
+ }
+}
+
+static void
+usage_verify(void)
+{
+ fprintf(stderr,
+"usage: brssl verify [ options ] file...\n");
+ fprintf(stderr,
+"options:\n");
+ fprintf(stderr,
+" -q suppress verbose messages\n");
+ fprintf(stderr,
+" -sni name check presence of a specific server name\n");
+ fprintf(stderr,
+" -CA file add certificates in 'file' to trust anchors\n");
+ fprintf(stderr,
+" -text print public key details (human-readable)\n");
+ fprintf(stderr,
+" -C print public key details (C code)\n");
+}
+
+typedef VECTOR(br_x509_certificate) cert_list;
+
+static void
+free_cert_contents(br_x509_certificate *xc)
+{
+ xfree(xc->data);
+}
+
+/* see brssl.h */
+int
+do_verify(int argc, char *argv[])
+{
+ int retcode;
+ int verbose;
+ int i;
+ const char *sni;
+ anchor_list anchors = VEC_INIT;
+ cert_list chain = VEC_INIT;
+ size_t u;
+ br_x509_minimal_context mc;
+ int err;
+ int print_text, print_C;
+ br_x509_pkey *pk;
+ const br_x509_pkey *tpk;
+ unsigned usages;
+
+ retcode = 0;
+ verbose = 1;
+ sni = NULL;
+ print_text = 0;
+ print_C = 0;
+ pk = NULL;
+ for (i = 0; i < argc; i ++) {
+ const char *arg;
+
+ arg = argv[i];
+ if (arg[0] != '-') {
+ br_x509_certificate *xcs;
+ size_t num;
+
+ xcs = read_certificates(arg, &num);
+ if (xcs == NULL) {
+ usage_verify();
+ goto verify_exit_error;
+ }
+ VEC_ADDMANY(chain, xcs, num);
+ xfree(xcs);
+ continue;
+ }
+ if (eqstr(arg, "-v") || eqstr(arg, "-verbose")) {
+ verbose = 1;
+ } else if (eqstr(arg, "-q") || eqstr(arg, "-quiet")) {
+ verbose = 0;
+ } else if (eqstr(arg, "-sni")) {
+ if (++ i >= argc) {
+ fprintf(stderr,
+ "ERROR: no argument for '-sni'\n");
+ usage_verify();
+ goto verify_exit_error;
+ }
+ if (sni != NULL) {
+ fprintf(stderr, "ERROR: duplicate SNI\n");
+ usage_verify();
+ goto verify_exit_error;
+ }
+ sni = argv[i];
+ continue;
+ } else if (eqstr(arg, "-CA")) {
+ if (++ i >= argc) {
+ fprintf(stderr,
+ "ERROR: no argument for '-CA'\n");
+ usage_verify();
+ goto verify_exit_error;
+ }
+ arg = argv[i];
+ if (read_trust_anchors(&anchors, arg) == 0) {
+ usage_verify();
+ goto verify_exit_error;
+ }
+ continue;
+ } else if (eqstr(arg, "-text")) {
+ print_text = 1;
+ } else if (eqstr(arg, "-C")) {
+ print_C = 1;
+ } else {
+ fprintf(stderr, "ERROR: unknown option: '%s'\n", arg);
+ usage_verify();
+ goto verify_exit_error;
+ }
+ }
+ if (VEC_LEN(chain) == 0) {
+ fprintf(stderr, "ERROR: no certificate chain provided\n");
+ usage_verify();
+ goto verify_exit_error;
+ }
+ br_x509_minimal_init(&mc, &br_sha256_vtable,
+ &VEC_ELT(anchors, 0), VEC_LEN(anchors));
+ br_x509_minimal_set_hash(&mc, br_sha1_ID, &br_sha1_vtable);
+ br_x509_minimal_set_hash(&mc, br_sha224_ID, &br_sha224_vtable);
+ br_x509_minimal_set_hash(&mc, br_sha256_ID, &br_sha256_vtable);
+ br_x509_minimal_set_hash(&mc, br_sha384_ID, &br_sha384_vtable);
+ br_x509_minimal_set_hash(&mc, br_sha512_ID, &br_sha512_vtable);
+ br_x509_minimal_set_rsa(&mc, &br_rsa_i31_pkcs1_vrfy);
+ br_x509_minimal_set_ecdsa(&mc,
+ &br_ec_prime_i31, &br_ecdsa_i31_vrfy_asn1);
+
+ mc.vtable->start_chain(&mc.vtable, sni);
+ for (u = 0; u < VEC_LEN(chain); u ++) {
+ br_x509_certificate *xc;
+
+ xc = &VEC_ELT(chain, u);
+ mc.vtable->start_cert(&mc.vtable, xc->data_len);
+ mc.vtable->append(&mc.vtable, xc->data, xc->data_len);
+ mc.vtable->end_cert(&mc.vtable);
+ }
+ err = mc.vtable->end_chain(&mc.vtable);
+ tpk = mc.vtable->get_pkey(&mc.vtable, &usages);
+ if (tpk != NULL) {
+ pk = xpkeydup(tpk);
+ }
+
+ if (err == 0) {
+ if (verbose) {
+ int hkx;
+
+ fprintf(stderr, "Validation success; usages:");
+ hkx = 0;
+ if (usages & BR_KEYTYPE_KEYX) {
+ fprintf(stderr, " key exchange");
+ hkx = 1;
+ }
+ if (usages & BR_KEYTYPE_SIGN) {
+ if (hkx) {
+ fprintf(stderr, ",");
+ }
+ fprintf(stderr, " signature");
+ }
+ fprintf(stderr, "\n");
+ }
+ } else {
+ if (verbose) {
+ const char *errname, *errmsg;
+
+ fprintf(stderr, "Validation failed, err = %d", err);
+ errname = find_error_name(err, &errmsg);
+ if (errname != NULL) {
+ fprintf(stderr, " (%s): %s\n", errname, errmsg);
+ } else {
+ fprintf(stderr, " (unknown)\n");
+ }
+ }
+ retcode = -1;
+ }
+ if (pk != NULL) {
+ switch (pk->key_type) {
+ case BR_KEYTYPE_RSA:
+ if (verbose) {
+ fprintf(stderr, "Key type: RSA (%u bits)\n",
+ rsa_bit_length(&pk->key.rsa));
+ }
+ print_rsa(&pk->key.rsa, print_text, print_C);
+ break;
+ case BR_KEYTYPE_EC:
+ if (verbose) {
+ fprintf(stderr, "Key type: EC (%s)\n",
+ ec_curve_name(pk->key.ec.curve));
+ }
+ print_ec(&pk->key.ec, print_text, print_C);
+ break;
+ default:
+ if (verbose) {
+ fprintf(stderr, "Unknown key type\n");
+ break;
+ }
+ }
+ }
+
+ /*
+ * Release allocated structures.
+ */
+verify_exit:
+ VEC_CLEAREXT(anchors, &free_ta_contents);
+ VEC_CLEAREXT(chain, &free_cert_contents);
+ xfreepkey(pk);
+ return retcode;
+
+verify_exit_error:
+ retcode = -1;
+ goto verify_exit;
+}
generated by cgit (git 2.34.1) at 2024-06-02 18:18:48 +0000