/*
- * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved.
*
- * Licensed under the OpenSSL license (the "License"). You may not use
+ * Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
#include <stdlib.h>
#include <string.h>
#include "apps.h"
+#include "progs.h"
#include <openssl/bio.h>
#include <openssl/err.h>
#include <openssl/x509.h>
static int cb(int ok, X509_STORE_CTX *ctx);
static int check(X509_STORE *ctx, const char *file,
STACK_OF(X509) *uchain, STACK_OF(X509) *tchain,
- STACK_OF(X509_CRL) *crls, int show_chain);
+ STACK_OF(X509_CRL) *crls, int show_chain,
+ STACK_OF(OPENSSL_STRING) *opts);
static int v_verbose = 0, vflags = 0;
typedef enum OPTION_choice {
- OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
- OPT_ENGINE, OPT_CAPATH, OPT_CAFILE, OPT_NOCAPATH, OPT_NOCAFILE,
+ OPT_COMMON,
+ OPT_ENGINE, OPT_CAPATH, OPT_CAFILE, OPT_CASTORE,
+ OPT_NOCAPATH, OPT_NOCAFILE, OPT_NOCASTORE,
OPT_UNTRUSTED, OPT_TRUSTED, OPT_CRLFILE, OPT_CRL_DOWNLOAD, OPT_SHOW_CHAIN,
- OPT_V_ENUM,
- OPT_VERBOSE
+ OPT_V_ENUM, OPT_NAMEOPT, OPT_VFYOPT,
+ OPT_VERBOSE,
+ OPT_PROV_ENUM
} OPTION_CHOICE;
const OPTIONS verify_options[] = {
- {OPT_HELP_STR, 1, '-', "Usage: %s [options] cert.pem...\n"},
- {OPT_HELP_STR, 1, '-', "Valid options are:\n"},
+ {OPT_HELP_STR, 1, '-', "Usage: %s [options] [cert...]\n"},
+
+ OPT_SECTION("General"),
{"help", OPT_HELP, '-', "Display this summary"},
+#ifndef OPENSSL_NO_ENGINE
+ {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
+#endif
{"verbose", OPT_VERBOSE, '-',
"Print extra information about the operations being performed."},
- {"CApath", OPT_CAPATH, '/', "A directory of trusted certificates"},
+ {"nameopt", OPT_NAMEOPT, 's', "Certificate subject/issuer name printing options"},
+
+ OPT_SECTION("Certificate chain"),
+ {"trusted", OPT_TRUSTED, '<', "A file of trusted certificates"},
{"CAfile", OPT_CAFILE, '<', "A file of trusted certificates"},
+ {"CApath", OPT_CAPATH, '/', "A directory of files with trusted certificates"},
+ {"CAstore", OPT_CASTORE, ':', "URI to a store of trusted certificates"},
{"no-CAfile", OPT_NOCAFILE, '-',
- "Do not load the default certificates file"},
+ "Do not load the default trusted certificates file"},
{"no-CApath", OPT_NOCAPATH, '-',
- "Do not load certificates from the default certificates directory"},
+ "Do not load trusted certificates from the default directory"},
+ {"no-CAstore", OPT_NOCASTORE, '-',
+ "Do not load trusted certificates from the default certificates store"},
{"untrusted", OPT_UNTRUSTED, '<', "A file of untrusted certificates"},
- {"trusted", OPT_TRUSTED, '<', "A file of trusted certificates"},
{"CRLfile", OPT_CRLFILE, '<',
"File containing one or more CRL's (in PEM format) to load"},
{"crl_download", OPT_CRL_DOWNLOAD, '-',
- "Attempt to download CRL information for this certificate"},
+ "Try downloading CRL information for certificates via their CDP entries"},
{"show_chain", OPT_SHOW_CHAIN, '-',
"Display information about the certificate chain"},
+
OPT_V_OPTIONS,
-#ifndef OPENSSL_NO_ENGINE
- {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
-#endif
+ {"vfyopt", OPT_VFYOPT, 's', "Verification parameter in n:v form"},
+
+ OPT_PROV_OPTIONS,
+
+ OPT_PARAMETERS(),
+ {"cert", 0, 0, "Certificate(s) to verify (optional; stdin used otherwise)"},
{NULL}
};
int verify_main(int argc, char **argv)
{
+ ENGINE *e = NULL;
STACK_OF(X509) *untrusted = NULL, *trusted = NULL;
STACK_OF(X509_CRL) *crls = NULL;
+ STACK_OF(OPENSSL_STRING) *vfyopts = NULL;
X509_STORE *store = NULL;
X509_VERIFY_PARAM *vpm = NULL;
- const char *prog, *CApath = NULL, *CAfile = NULL;
- int noCApath = 0, noCAfile = 0;
+ const char *prog, *CApath = NULL, *CAfile = NULL, *CAstore = NULL;
+ int noCApath = 0, noCAfile = 0, noCAstore = 0;
int vpmtouched = 0, crl_download = 0, show_chain = 0, i = 0, ret = 1;
OPTION_CHOICE o;
switch (o) {
case OPT_EOF:
case OPT_ERR:
+ opthelp:
BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
goto end;
case OPT_HELP:
opt_help(verify_options);
- BIO_printf(bio_err, "Recognized usages:\n");
+ BIO_printf(bio_err, "\nRecognized certificate chain purposes:\n");
for (i = 0; i < X509_PURPOSE_get_count(); i++) {
- X509_PURPOSE *ptmp;
- ptmp = X509_PURPOSE_get0(i);
- BIO_printf(bio_err, "\t%-10s\t%s\n",
+ X509_PURPOSE *ptmp = X509_PURPOSE_get0(i);
+
+ BIO_printf(bio_err, " %-15s %s\n",
X509_PURPOSE_get0_sname(ptmp),
X509_PURPOSE_get0_name(ptmp));
}
- BIO_printf(bio_err, "Recognized verify names:\n");
+ BIO_printf(bio_err, "Recognized certificate policy names:\n");
for (i = 0; i < X509_VERIFY_PARAM_get_count(); i++) {
- const X509_VERIFY_PARAM *vptmp;
- vptmp = X509_VERIFY_PARAM_get0(i);
- BIO_printf(bio_err, "\t%-10s\n",
+ const X509_VERIFY_PARAM *vptmp = X509_VERIFY_PARAM_get0(i);
+
+ BIO_printf(bio_err, " %s\n",
X509_VERIFY_PARAM_get0_name(vptmp));
}
ret = 0;
case OPT_CAFILE:
CAfile = opt_arg();
break;
+ case OPT_CASTORE:
+ CAstore = opt_arg();
+ break;
case OPT_NOCAPATH:
noCApath = 1;
break;
case OPT_NOCAFILE:
noCAfile = 1;
break;
+ case OPT_NOCASTORE:
+ noCAstore = 1;
+ break;
case OPT_UNTRUSTED:
/* Zero or more times */
- if (!load_certs(opt_arg(), &untrusted, FORMAT_PEM, NULL,
+ if (!load_certs(opt_arg(), 0, &untrusted, NULL,
"untrusted certificates"))
goto end;
break;
/* Zero or more times */
noCAfile = 1;
noCApath = 1;
- if (!load_certs(opt_arg(), &trusted, FORMAT_PEM, NULL,
- "trusted certificates"))
+ noCAstore = 1;
+ if (!load_certs(opt_arg(), 0, &trusted, NULL, "trusted certificates"))
goto end;
break;
case OPT_CRLFILE:
/* Zero or more times */
- if (!load_crls(opt_arg(), &crls, FORMAT_PEM, NULL,
- "other CRLs"))
+ if (!load_crls(opt_arg(), &crls, NULL, "other CRLs"))
goto end;
break;
case OPT_CRL_DOWNLOAD:
crl_download = 1;
break;
case OPT_ENGINE:
- if (setup_engine(opt_arg(), 0) == NULL) {
+ if ((e = setup_engine(opt_arg(), 0)) == NULL) {
/* Failure message already displayed */
goto end;
}
case OPT_SHOW_CHAIN:
show_chain = 1;
break;
+ case OPT_NAMEOPT:
+ if (!set_nameopt(opt_arg()))
+ goto end;
+ break;
+ case OPT_VFYOPT:
+ if (!vfyopts)
+ vfyopts = sk_OPENSSL_STRING_new_null();
+ if (!vfyopts || !sk_OPENSSL_STRING_push(vfyopts, opt_arg()))
+ goto opthelp;
+ break;
case OPT_VERBOSE:
v_verbose = 1;
break;
+ case OPT_PROV_CASES:
+ if (!opt_provider(o))
+ goto end;
+ break;
}
}
+
+ /* Extra arguments are certificates to verify. */
argc = opt_num_rest();
argv = opt_rest();
- if (trusted != NULL && (CAfile || CApath)) {
+
+ if (trusted != NULL
+ && (CAfile != NULL || CApath != NULL || CAstore != NULL)) {
BIO_printf(bio_err,
- "%s: Cannot use -trusted with -CAfile or -CApath\n",
+ "%s: Cannot use -trusted with -CAfile, -CApath or -CAstore\n",
prog);
goto end;
}
- if ((store = setup_verify(CAfile, CApath, noCAfile, noCApath)) == NULL)
+ if ((store = setup_verify(CAfile, noCAfile, CApath, noCApath,
+ CAstore, noCAstore)) == NULL)
goto end;
X509_STORE_set_verify_cb(store, cb);
ret = 0;
if (argc < 1) {
- if (check(store, NULL, untrusted, trusted, crls, show_chain) != 1)
+ if (check(store, NULL, untrusted, trusted, crls, show_chain,
+ vfyopts) != 1)
ret = -1;
} else {
for (i = 0; i < argc; i++)
- if (check(store, argv[i], untrusted, trusted, crls,
- show_chain) != 1)
+ if (check(store, argv[i], untrusted, trusted, crls, show_chain,
+ vfyopts) != 1)
ret = -1;
}
end:
X509_VERIFY_PARAM_free(vpm);
X509_STORE_free(store);
- sk_X509_pop_free(untrusted, X509_free);
- sk_X509_pop_free(trusted, X509_free);
+ OSSL_STACK_OF_X509_free(untrusted);
+ OSSL_STACK_OF_X509_free(trusted);
sk_X509_CRL_pop_free(crls, X509_CRL_free);
+ sk_OPENSSL_STRING_free(vfyopts);
+ release_engine(e);
return (ret < 0 ? 2 : ret);
}
static int check(X509_STORE *ctx, const char *file,
STACK_OF(X509) *uchain, STACK_OF(X509) *tchain,
- STACK_OF(X509_CRL) *crls, int show_chain)
+ STACK_OF(X509_CRL) *crls, int show_chain,
+ STACK_OF(OPENSSL_STRING) *opts)
{
X509 *x = NULL;
int i = 0, ret = 0;
STACK_OF(X509) *chain = NULL;
int num_untrusted;
- x = load_cert(file, FORMAT_PEM, "certificate file");
+ x = load_cert(file, FORMAT_UNDEF, "certificate file");
if (x == NULL)
goto end;
+ if (opts != NULL) {
+ for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) {
+ char *opt = sk_OPENSSL_STRING_value(opts, i);
+ if (x509_ctrl_string(x, opt) <= 0) {
+ BIO_printf(bio_err, "parameter error \"%s\"\n", opt);
+ ERR_print_errors(bio_err);
+ X509_free(x);
+ return 0;
+ }
+ }
+ }
+
csc = X509_STORE_CTX_new();
if (csc == NULL) {
- printf("error %s: X.509 store context allocation failed\n",
- (file == NULL) ? "stdin" : file);
+ BIO_printf(bio_err, "error %s: X.509 store context allocation failed\n",
+ (file == NULL) ? "stdin" : file);
goto end;
}
X509_STORE_set_flags(ctx, vflags);
if (!X509_STORE_CTX_init(csc, ctx, x, uchain)) {
- printf("error %s: X.509 store context initialization failed\n",
- (file == NULL) ? "stdin" : file);
+ X509_STORE_CTX_free(csc);
+ BIO_printf(bio_err,
+ "error %s: X.509 store context initialization failed\n",
+ (file == NULL) ? "stdin" : file);
goto end;
}
- if (tchain)
+ if (tchain != NULL)
X509_STORE_CTX_set0_trusted_stack(csc, tchain);
- if (crls)
+ if (crls != NULL)
X509_STORE_CTX_set0_crls(csc, crls);
i = X509_verify_cert(csc);
if (i > 0 && X509_STORE_CTX_get_error(csc) == X509_V_OK) {
- printf("%s: OK\n", (file == NULL) ? "stdin" : file);
+ BIO_printf(bio_out, "%s: OK\n", (file == NULL) ? "stdin" : file);
ret = 1;
if (show_chain) {
int j;
chain = X509_STORE_CTX_get1_chain(csc);
num_untrusted = X509_STORE_CTX_get_num_untrusted(csc);
- printf("Chain:\n");
+ BIO_printf(bio_out, "Chain:\n");
for (j = 0; j < sk_X509_num(chain); j++) {
X509 *cert = sk_X509_value(chain, j);
- printf("depth=%d: ", j);
+ BIO_printf(bio_out, "depth=%d: ", j);
X509_NAME_print_ex_fp(stdout,
X509_get_subject_name(cert),
- 0, XN_FLAG_ONELINE);
+ 0, get_nameopt());
if (j < num_untrusted)
- printf(" (untrusted)");
- printf("\n");
+ BIO_printf(bio_out, " (untrusted)");
+ BIO_printf(bio_out, "\n");
}
- sk_X509_pop_free(chain, X509_free);
+ OSSL_STACK_OF_X509_free(chain);
}
} else {
- printf("error %s: verification failed\n", (file == NULL) ? "stdin" : file);
+ BIO_printf(bio_err,
+ "error %s: verification failed\n",
+ (file == NULL) ? "stdin" : file);
}
X509_STORE_CTX_free(csc);
X509 *current_cert = X509_STORE_CTX_get_current_cert(ctx);
if (!ok) {
- if (current_cert) {
+ if (current_cert != NULL) {
X509_NAME_print_ex(bio_err,
X509_get_subject_name(current_cert),
- 0, XN_FLAG_ONELINE);
+ 0, get_nameopt());
BIO_printf(bio_err, "\n");
}
BIO_printf(bio_err, "%serror %d at %d depth lookup: %s\n",
cert_error,
X509_STORE_CTX_get_error_depth(ctx),
X509_verify_cert_error_string(cert_error));
+
+ /*
+ * Pretend that some errors are ok, so they don't stop further
+ * processing of the certificate chain. Setting ok = 1 does this.
+ * After X509_verify_cert() is done, we verify that there were
+ * no actual errors, even if the returned value was positive.
+ */
switch (cert_error) {
case X509_V_ERR_NO_EXPLICIT_POLICY:
policies_print(ctx);
+ /* fall thru */
case X509_V_ERR_CERT_HAS_EXPIRED:
-
- /*
- * since we are just checking the certificates, it is ok if they
- * are self signed. But we should still warn the user.
- */
+ /* Continue even if the leaf is a self-signed cert */
case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
/* Continue after extension errors too */
case X509_V_ERR_INVALID_CA:
case X509_V_ERR_INVALID_NON_CA:
case X509_V_ERR_PATH_LENGTH_EXCEEDED:
- case X509_V_ERR_INVALID_PURPOSE:
case X509_V_ERR_CRL_HAS_EXPIRED:
case X509_V_ERR_CRL_NOT_YET_VALID:
case X509_V_ERR_UNHANDLED_CRITICAL_EXTENSION:
+ /* errors due to strict conformance checking (-x509_strict) */
+ case X509_V_ERR_INVALID_PURPOSE:
+ case X509_V_ERR_PATHLEN_INVALID_FOR_NON_CA:
+ case X509_V_ERR_PATHLEN_WITHOUT_KU_KEY_CERT_SIGN:
+ case X509_V_ERR_CA_BCONS_NOT_CRITICAL:
+ case X509_V_ERR_CA_CERT_MISSING_KEY_USAGE:
+ case X509_V_ERR_KU_KEY_CERT_SIGN_INVALID_FOR_NON_CA:
+ case X509_V_ERR_ISSUER_NAME_EMPTY:
+ case X509_V_ERR_SUBJECT_NAME_EMPTY:
+ case X509_V_ERR_EMPTY_SUBJECT_SAN_NOT_CRITICAL:
+ case X509_V_ERR_EMPTY_SUBJECT_ALT_NAME:
+ case X509_V_ERR_SIGNATURE_ALGORITHM_INCONSISTENCY:
+ case X509_V_ERR_AUTHORITY_KEY_IDENTIFIER_CRITICAL:
+ case X509_V_ERR_SUBJECT_KEY_IDENTIFIER_CRITICAL:
+ case X509_V_ERR_MISSING_AUTHORITY_KEY_IDENTIFIER:
+ case X509_V_ERR_MISSING_SUBJECT_KEY_IDENTIFIER:
+ case X509_V_ERR_EXTENSIONS_REQUIRE_VERSION_3:
ok = 1;
}
-
return ok;
}
policies_print(ctx);
if (!v_verbose)
ERR_clear_error();
- return (ok);
+ return ok;
}