[thirdparty/openssl.git] / apps / verify.c

/*
 * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
 *
 * 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 <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "apps.h"
#include "progs.h"
#include <openssl/bio.h>
#include <openssl/err.h>
#include <openssl/x509.h>
#include <openssl/x509v3.h>
#include <openssl/pem.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,
                 unsigned char *sm2id, size_t sm2idlen);
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_CASTORE,
    OPT_NOCAPATH, OPT_NOCAFILE, OPT_NOCASTORE,
    OPT_UNTRUSTED, OPT_TRUSTED, OPT_CRLFILE, OPT_CRL_DOWNLOAD, OPT_SHOW_CHAIN,
    OPT_V_ENUM, OPT_NAMEOPT,
    OPT_VERBOSE, OPT_SM2ID, OPT_SM2HEXID
} OPTION_CHOICE;

const OPTIONS verify_options[] = {
    {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."},
    {"nameopt", OPT_NAMEOPT, 's', "Various certificate name options"},

    OPT_SECTION("Certificate chain"),
    {"CApath", OPT_CAPATH, '/', "A directory of trusted certificates"},
    {"CAfile", OPT_CAFILE, '<', "A file of trusted certificates"},
    {"CAstore", OPT_CASTORE, ':', "URI to a store of trusted certificates"},
    {"no-CAfile", OPT_NOCAFILE, '-',
     "Do not load the default certificates file"},
    {"no-CApath", OPT_NOCAPATH, '-',
     "Do not load certificates from the default certificates directory"},
    {"no-CAstore", OPT_NOCAPATH, '-',
     "Do not load 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"},
    {"show_chain", OPT_SHOW_CHAIN, '-',
        "Display information about the certificate chain"},

    OPT_V_OPTIONS,
#ifndef OPENSSL_NO_SM2
    {"sm2-id", OPT_SM2ID, 's',
     "Specify an ID string to verify an SM2 certificate"},
    {"sm2-hex-id", OPT_SM2HEXID, 's',
     "Specify a hex ID string to verify an SM2 certificate"},
#endif

    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;
    X509_STORE *store = NULL;
    X509_VERIFY_PARAM *vpm = NULL;
    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;
    unsigned char *sm2_id = NULL;
    size_t sm2_idlen = 0;
    int sm2_free = 0;

    if ((vpm = X509_VERIFY_PARAM_new()) == NULL)
        goto end;

    prog = opt_init(argc, argv, verify_options);
    while ((o = opt_next()) != OPT_EOF) {
        switch (o) {
        case OPT_EOF:
        case OPT_ERR:
            BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
            goto end;
        case OPT_HELP:
            opt_help(verify_options);
            BIO_printf(bio_err, "\nRecognized certificate chain purposes:\n");
            for (i = 0; i < X509_PURPOSE_get_count(); i++) {
                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 certificate policy names:\n");
            for (i = 0; i < X509_VERIFY_PARAM_get_count(); i++) {
                const X509_VERIFY_PARAM *vptmp = X509_VERIFY_PARAM_get0(i);

                BIO_printf(bio_err, "  %s\n",
                        X509_VERIFY_PARAM_get0_name(vptmp));
            }
            ret = 0;
            goto end;
        case OPT_V_CASES:
            if (!opt_verify(o, vpm))
                goto end;
            vpmtouched++;
            break;
        case OPT_CAPATH:
            CApath = opt_arg();
            break;
        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,
                            "untrusted certificates"))
                goto end;
            break;
        case OPT_TRUSTED:
            /* Zero or more times */
            noCAfile = 1;
            noCApath = 1;
            noCAstore = 1;
            if (!load_certs(opt_arg(), &trusted, FORMAT_PEM, NULL,
                            "trusted certificates"))
                goto end;
            break;
        case OPT_CRLFILE:
            /* Zero or more times */
            if (!load_crls(opt_arg(), &crls, FORMAT_PEM, NULL,
                           "other CRLs"))
                goto end;
            break;
        case OPT_CRL_DOWNLOAD:
            crl_download = 1;
            break;
        case OPT_ENGINE:
            if ((e = setup_engine(opt_arg(), 0)) == NULL) {
                /* Failure message already displayed */
                goto end;
            }
            break;
        case OPT_SHOW_CHAIN:
            show_chain = 1;
            break;
        case OPT_NAMEOPT:
            if (!set_nameopt(opt_arg()))
                goto end;
            break;
        case OPT_VERBOSE:
            v_verbose = 1;
            break;
        case OPT_SM2ID:
            if (sm2_id != NULL) {
                BIO_printf(bio_err,
                           "Use one of the options 'sm2-hex-id' or 'sm2-id' \n");
                goto end;
            }
            sm2_id = (unsigned char *)opt_arg();
            sm2_idlen = strlen((const char *)sm2_id);
            break;
        case OPT_SM2HEXID:
            if (sm2_id != NULL) {
                BIO_printf(bio_err,
                           "Use one of the options 'sm2-hex-id' or 'sm2-id' \n");
                goto end;
            }
            /* try to parse the input as hex string first */
            sm2_free = 1;
            sm2_id = OPENSSL_hexstr2buf(opt_arg(), (long *)&sm2_idlen);
            if (sm2_id == NULL) {
                BIO_printf(bio_err, "Invalid hex string input\n");
                goto end;
            }
            break;
        }
    }
    argc = opt_num_rest();
    argv = opt_rest();
    if (trusted != NULL
        && (CAfile != NULL || CApath != NULL || CAstore != NULL)) {
        BIO_printf(bio_err,
                   "%s: Cannot use -trusted with -CAfile, -CApath or -CAstore\n",
                   prog);
        goto end;
    }

    if ((store = setup_verify(CAfile, noCAfile, CApath, noCApath,
                              CAstore, noCAstore)) == NULL)
        goto end;
    X509_STORE_set_verify_cb(store, cb);

    if (vpmtouched)
        X509_STORE_set1_param(store, vpm);

    ERR_clear_error();

    if (crl_download)
        store_setup_crl_download(store);

    ret = 0;
    if (argc < 1) {
        if (check(store, NULL, untrusted, trusted, crls, show_chain,
                  sm2_id, sm2_idlen) != 1)
            ret = -1;
    } else {
        for (i = 0; i < argc; i++)
            if (check(store, argv[i], untrusted, trusted, crls,
                      show_chain, sm2_id, sm2_idlen) != 1)
                ret = -1;
    }

 end:
    if (sm2_free)
        OPENSSL_free(sm2_id);
    X509_VERIFY_PARAM_free(vpm);
    X509_STORE_free(store);
    sk_X509_pop_free(untrusted, X509_free);
    sk_X509_pop_free(trusted, X509_free);
    sk_X509_CRL_pop_free(crls, X509_CRL_free);
    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,
                 unsigned char *sm2id, size_t sm2idlen)
{
    X509 *x = NULL;
    int i = 0, ret = 0;
    X509_STORE_CTX *csc;
    STACK_OF(X509) *chain = NULL;
    int num_untrusted;

    x = load_cert(file, FORMAT_PEM, "certificate file");
    if (x == NULL)
        goto end;

    if (sm2id != NULL) {
#ifndef OPENSSL_NO_SM2
        ASN1_OCTET_STRING *v;

        v = ASN1_OCTET_STRING_new();
        if (v == NULL) {
            BIO_printf(bio_err, "error: SM2 ID allocation failed\n");
            goto end;
        }

        if (!ASN1_OCTET_STRING_set(v, sm2id, sm2idlen)) {
            BIO_printf(bio_err, "error: setting SM2 ID failed\n");
            ASN1_OCTET_STRING_free(v);
            goto end;
        }

        X509_set0_sm2_id(x, v);
#endif
    }

    csc = X509_STORE_CTX_new();
    if (csc == NULL) {
        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)) {
        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 != NULL)
        X509_STORE_CTX_set0_trusted_stack(csc, tchain);
    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) {
        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);
            BIO_printf(bio_out, "Chain:\n");
            for (j = 0; j < sk_X509_num(chain); j++) {
                X509 *cert = sk_X509_value(chain, j);
                BIO_printf(bio_out, "depth=%d: ", j);
                X509_NAME_print_ex_fp(stdout,
                                      X509_get_subject_name(cert),
                                      0, get_nameopt());
                if (j < num_untrusted)
                    BIO_printf(bio_out, " (untrusted)");
                BIO_printf(bio_out, "\n");
            }
            sk_X509_pop_free(chain, X509_free);
        }
    } else {
        BIO_printf(bio_err,
                   "error %s: verification failed\n",
                   (file == NULL) ? "stdin" : file);
    }
    X509_STORE_CTX_free(csc);

 end:
    if (i <= 0)
        ERR_print_errors(bio_err);
    X509_free(x);

    return ret;
}

static int cb(int ok, X509_STORE_CTX *ctx)
{
    int cert_error = X509_STORE_CTX_get_error(ctx);
    X509 *current_cert = X509_STORE_CTX_get_current_cert(ctx);

    if (!ok) {
        if (current_cert != NULL) {
            X509_NAME_print_ex(bio_err,
                            X509_get_subject_name(current_cert),
                            0, get_nameopt());
            BIO_printf(bio_err, "\n");
        }
        BIO_printf(bio_err, "%serror %d at %d depth lookup: %s\n",
               X509_STORE_CTX_get0_parent_ctx(ctx) ? "[CRL path] " : "",
               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:
            /* 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:
            ok = 1;
        }

        return ok;

    }
    if (cert_error == X509_V_OK && ok == 2)
        policies_print(ctx);
    if (!v_verbose)
        ERR_clear_error();
    return ok;
}
Commit	Line	Data
846e33c7	1	/*
6738bf14	2	* Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
d02b48c6	3	*
dffa7520	4	* Licensed under the Apache License 2.0 (the "License"). You may not use
846e33c7 RS	5	* this file except in compliance with the License. You can obtain a copy
	6	* in the file LICENSE in the source distribution or at
	7	* https://www.openssl.org/source/license.html
d02b48c6 RE	8	*/
	9
	10	#include <stdio.h>
	11	#include <stdlib.h>
	12	#include <string.h>
	13	#include "apps.h"
dab2cd68	14	#include "progs.h"
ec577822 BM	15	#include <openssl/bio.h>
	16	#include <openssl/err.h>
	17	#include <openssl/x509.h>
d4cec6a1	18	#include <openssl/x509v3.h>
ec577822	19	#include <openssl/pem.h>
d02b48c6	20
6d23cf97	21	static int cb(int ok, X509_STORE_CTX *ctx);
cc696296	22	static int check(X509_STORE ctx, const char file,
0f113f3e	23	STACK_OF(X509) uchain, STACK_OF(X509) tchain,
8267becb	24	STACK_OF(X509_CRL) *crls, int show_chain,
8267becb	25	unsigned char *sm2id, size_t sm2idlen);
0f113f3e	26	static int v_verbose = 0, vflags = 0;
d02b48c6	27
7e1b7485 RS	28	typedef enum OPTION_choice {
7e1b7485 RS	29	OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
fd3397fc RL	30	OPT_ENGINE, OPT_CAPATH, OPT_CAFILE, OPT_CASTORE,
fd3397fc RL	31	OPT_NOCAPATH, OPT_NOCAFILE, OPT_NOCASTORE,
2b6bcb70	32	OPT_UNTRUSTED, OPT_TRUSTED, OPT_CRLFILE, OPT_CRL_DOWNLOAD, OPT_SHOW_CHAIN,
bd91e3c8	33	OPT_V_ENUM, OPT_NAMEOPT,
8267becb	34	OPT_VERBOSE, OPT_SM2ID, OPT_SM2HEXID
7e1b7485 RS	35	} OPTION_CHOICE;
7e1b7485 RS	36
44c83ebd	37	const OPTIONS verify_options[] = {
92de469f	38	{OPT_HELP_STR, 1, '-', "Usage: %s [options] [cert...]\n"},
5388f986 RS	39
5388f986 RS	40	OPT_SECTION("General"),
7e1b7485	41	{"help", OPT_HELP, '-', "Display this summary"},
5388f986 RS	42	#ifndef OPENSSL_NO_ENGINE
	43	{"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
	44	#endif
a64ba70d MC	45	{"verbose", OPT_VERBOSE, '-',
a64ba70d MC	46	"Print extra information about the operations being performed."},
5388f986 RS	47	{"nameopt", OPT_NAMEOPT, 's', "Various certificate name options"},
	48
	49	OPT_SECTION("Certificate chain"),
a64ba70d MC	50	{"CApath", OPT_CAPATH, '/', "A directory of trusted certificates"},
a64ba70d MC	51	{"CAfile", OPT_CAFILE, '<', "A file of trusted certificates"},
fd3397fc	52	{"CAstore", OPT_CASTORE, ':', "URI to a store of trusted certificates"},
2b6bcb70 MC	53	{"no-CAfile", OPT_NOCAFILE, '-',
	54	"Do not load the default certificates file"},
	55	{"no-CApath", OPT_NOCAPATH, '-',
	56	"Do not load certificates from the default certificates directory"},
fd3397fc RL	57	{"no-CAstore", OPT_NOCAPATH, '-',
fd3397fc RL	58	"Do not load certificates from the default certificates store"},
a64ba70d	59	{"untrusted", OPT_UNTRUSTED, '<', "A file of untrusted certificates"},
5b89036c	60	{"trusted", OPT_TRUSTED, '<', "A file of trusted certificates"},
a64ba70d MC	61	{"CRLfile", OPT_CRLFILE, '<',
	62	"File containing one or more CRL's (in PEM format) to load"},
	63	{"crl_download", OPT_CRL_DOWNLOAD, '-',
	64	"Attempt to download CRL information for this certificate"},
	65	{"show_chain", OPT_SHOW_CHAIN, '-',
	66	"Display information about the certificate chain"},
5388f986	67
9c3bcfa0	68	OPT_V_OPTIONS,
8267becb	69	#ifndef OPENSSL_NO_SM2
	70	{"sm2-id", OPT_SM2ID, 's',
	71	"Specify an ID string to verify an SM2 certificate"},
	72	{"sm2-hex-id", OPT_SM2HEXID, 's',
	73	"Specify a hex ID string to verify an SM2 certificate"},
7e1b7485	74	#endif
92de469f RS	75
	76	OPT_PARAMETERS(),
	77	{"cert", 0, 0, "Certificate(s) to verify (optional; stdin used otherwise)"},
7e1b7485 RS	78	{NULL}
7e1b7485 RS	79	};
667ac4ec	80
7e1b7485	81	int verify_main(int argc, char **argv)
0f113f3e	82	{
dd1abd44	83	ENGINE *e = NULL;
0f113f3e MC	84	STACK_OF(X509) untrusted = NULL, trusted = NULL;
0f113f3e MC	85	STACK_OF(X509_CRL) *crls = NULL;
7e1b7485	86	X509_STORE *store = NULL;
0f113f3e	87	X509_VERIFY_PARAM *vpm = NULL;
fd3397fc RL	88	const char prog, CApath = NULL, CAfile = NULL, CAstore = NULL;
fd3397fc RL	89	int noCApath = 0, noCAfile = 0, noCAstore = 0;
7e1b7485 RS	90	int vpmtouched = 0, crl_download = 0, show_chain = 0, i = 0, ret = 1;
7e1b7485 RS	91	OPTION_CHOICE o;
8267becb	92	unsigned char *sm2_id = NULL;
8267becb	93	size_t sm2_idlen = 0;
875c9a9a	94	int sm2_free = 0;
d02b48c6	95
7e1b7485	96	if ((vpm = X509_VERIFY_PARAM_new()) == NULL)
0f113f3e	97	goto end;
0f113f3e	98
7e1b7485 RS	99	prog = opt_init(argc, argv, verify_options);
	100	while ((o = opt_next()) != OPT_EOF) {
	101	switch (o) {
	102	case OPT_EOF:
	103	case OPT_ERR:
	104	BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
	105	goto end;
	106	case OPT_HELP:
	107	opt_help(verify_options);
92de469f	108	BIO_printf(bio_err, "\nRecognized certificate chain purposes:\n");
7e1b7485	109	for (i = 0; i < X509_PURPOSE_get_count(); i++) {
92de469f RS	110	X509_PURPOSE *ptmp = X509_PURPOSE_get0(i);
	111
	112	BIO_printf(bio_err, " %-15s %s\n",
7e1b7485 RS	113	X509_PURPOSE_get0_sname(ptmp),
	114	X509_PURPOSE_get0_name(ptmp));
	115	}
0f113f3e	116
92de469f	117	BIO_printf(bio_err, "Recognized certificate policy names:\n");
7e1b7485	118	for (i = 0; i < X509_VERIFY_PARAM_get_count(); i++) {
92de469f RS	119	const X509_VERIFY_PARAM *vptmp = X509_VERIFY_PARAM_get0(i);
	120
	121	BIO_printf(bio_err, " %s\n",
7e1b7485	122	X509_VERIFY_PARAM_get0_name(vptmp));
0f113f3e	123	}
7e1b7485 RS	124	ret = 0;
	125	goto end;
	126	case OPT_V_CASES:
	127	if (!opt_verify(o, vpm))
0f113f3e	128	goto end;
7e1b7485 RS	129	vpmtouched++;
	130	break;
	131	case OPT_CAPATH:
	132	CApath = opt_arg();
	133	break;
	134	case OPT_CAFILE:
	135	CAfile = opt_arg();
	136	break;
fd3397fc RL	137	case OPT_CASTORE:
	138	CAstore = opt_arg();
	139	break;
2b6bcb70 MC	140	case OPT_NOCAPATH:
	141	noCApath = 1;
	142	break;
	143	case OPT_NOCAFILE:
	144	noCAfile = 1;
	145	break;
fd3397fc RL	146	case OPT_NOCASTORE:
	147	noCAstore = 1;
	148	break;
7e1b7485	149	case OPT_UNTRUSTED:
feb2f53e	150	/* Zero or more times */
a773b52a	151	if (!load_certs(opt_arg(), &untrusted, FORMAT_PEM, NULL,
feb2f53e VD	152	"untrusted certificates"))
feb2f53e VD	153	goto end;
7e1b7485 RS	154	break;
7e1b7485 RS	155	case OPT_TRUSTED:
feb2f53e VD	156	/* Zero or more times */
	157	noCAfile = 1;
	158	noCApath = 1;
fd3397fc	159	noCAstore = 1;
a773b52a	160	if (!load_certs(opt_arg(), &trusted, FORMAT_PEM, NULL,
feb2f53e VD	161	"trusted certificates"))
feb2f53e VD	162	goto end;
7e1b7485 RS	163	break;
7e1b7485 RS	164	case OPT_CRLFILE:
feb2f53e	165	/* Zero or more times */
a773b52a	166	if (!load_crls(opt_arg(), &crls, FORMAT_PEM, NULL,
feb2f53e VD	167	"other CRLs"))
feb2f53e VD	168	goto end;
7e1b7485 RS	169	break;
	170	case OPT_CRL_DOWNLOAD:
	171	crl_download = 1;
0f113f3e	172	break;
a773b52a	173	case OPT_ENGINE:
dd1abd44	174	if ((e = setup_engine(opt_arg(), 0)) == NULL) {
a773b52a RS	175	/* Failure message already displayed */
	176	goto end;
	177	}
	178	break;
7e1b7485 RS	179	case OPT_SHOW_CHAIN:
	180	show_chain = 1;
	181	break;
ad39b31c	182	case OPT_NAMEOPT:
b5c4209b	183	if (!set_nameopt(opt_arg()))
ad39b31c DB	184	goto end;
ad39b31c DB	185	break;
7e1b7485 RS	186	case OPT_VERBOSE:
	187	v_verbose = 1;
	188	break;
8267becb	189	case OPT_SM2ID:
ad14e8e5 SL	190	if (sm2_id != NULL) {
	191	BIO_printf(bio_err,
	192	"Use one of the options 'sm2-hex-id' or 'sm2-id' \n");
	193	goto end;
	194	}
8267becb	195	sm2_id = (unsigned char *)opt_arg();
	196	sm2_idlen = strlen((const char *)sm2_id);
	197	break;
	198	case OPT_SM2HEXID:
ad14e8e5 SL	199	if (sm2_id != NULL) {
	200	BIO_printf(bio_err,
	201	"Use one of the options 'sm2-hex-id' or 'sm2-id' \n");
	202	goto end;
	203	}
8267becb	204	/* try to parse the input as hex string first */
875c9a9a	205	sm2_free = 1;
8267becb	206	sm2_id = OPENSSL_hexstr2buf(opt_arg(), (long *)&sm2_idlen);
	207	if (sm2_id == NULL) {
	208	BIO_printf(bio_err, "Invalid hex string input\n");
	209	goto end;
	210	}
	211	break;
7e1b7485	212	}
0f113f3e	213	}
7e1b7485 RS	214	argc = opt_num_rest();
7e1b7485 RS	215	argv = opt_rest();
fd3397fc RL	216	if (trusted != NULL
fd3397fc RL	217	&& (CAfile != NULL \|\| CApath != NULL \|\| CAstore != NULL)) {
5b89036c	218	BIO_printf(bio_err,
fd3397fc	219	"%s: Cannot use -trusted with -CAfile, -CApath or -CAstore\n",
5b89036c RS	220	prog);
	221	goto end;
	222	}
d02b48c6	223
fd3397fc RL	224	if ((store = setup_verify(CAfile, noCAfile, CApath, noCApath,
fd3397fc RL	225	CAstore, noCAstore)) == NULL)
7e1b7485 RS	226	goto end;
7e1b7485 RS	227	X509_STORE_set_verify_cb(store, cb);
5270e702	228
7e1b7485 RS	229	if (vpmtouched)
7e1b7485 RS	230	X509_STORE_set1_param(store, vpm);
0f113f3e MC	231
	232	ERR_clear_error();
	233
0f113f3e	234	if (crl_download)
7e1b7485	235	store_setup_crl_download(store);
0f113f3e MC	236
	237	ret = 0;
	238	if (argc < 1) {
8267becb	239	if (check(store, NULL, untrusted, trusted, crls, show_chain,
8267becb	240	sm2_id, sm2_idlen) != 1)
0f113f3e MC	241	ret = -1;
	242	} else {
	243	for (i = 0; i < argc; i++)
a773b52a	244	if (check(store, argv[i], untrusted, trusted, crls,
8267becb	245	show_chain, sm2_id, sm2_idlen) != 1)
0f113f3e MC	246	ret = -1;
	247	}
	248
	249	end:
875c9a9a PY	250	if (sm2_free)
875c9a9a PY	251	OPENSSL_free(sm2_id);
222561fe RS	252	X509_VERIFY_PARAM_free(vpm);
222561fe RS	253	X509_STORE_free(store);
0f113f3e MC	254	sk_X509_pop_free(untrusted, X509_free);
	255	sk_X509_pop_free(trusted, X509_free);
	256	sk_X509_CRL_pop_free(crls, X509_CRL_free);
dd1abd44	257	release_engine(e);
7e1b7485	258	return (ret < 0 ? 2 : ret);
0f113f3e	259	}
d02b48c6	260
cc696296	261	static int check(X509_STORE ctx, const char file,
0f113f3e	262	STACK_OF(X509) uchain, STACK_OF(X509) tchain,
8267becb	263	STACK_OF(X509_CRL) *crls, int show_chain,
8267becb	264	unsigned char *sm2id, size_t sm2idlen)
0f113f3e MC	265	{
	266	X509 *x = NULL;
	267	int i = 0, ret = 0;
	268	X509_STORE_CTX *csc;
	269	STACK_OF(X509) *chain = NULL;
7f3f41d8	270	int num_untrusted;
0f113f3e	271
a773b52a	272	x = load_cert(file, FORMAT_PEM, "certificate file");
0f113f3e MC	273	if (x == NULL)
0f113f3e MC	274	goto end;
0f113f3e	275
8267becb	276	if (sm2id != NULL) {
8267becb	277	#ifndef OPENSSL_NO_SM2
ccf45361	278	ASN1_OCTET_STRING *v;
8267becb	279
ccf45361 PY	280	v = ASN1_OCTET_STRING_new();
	281	if (v == NULL) {
	282	BIO_printf(bio_err, "error: SM2 ID allocation failed\n");
	283	goto end;
	284	}
8267becb	285
ccf45361 PY	286	if (!ASN1_OCTET_STRING_set(v, sm2id, sm2idlen)) {
	287	BIO_printf(bio_err, "error: setting SM2 ID failed\n");
	288	ASN1_OCTET_STRING_free(v);
	289	goto end;
	290	}
	291
	292	X509_set0_sm2_id(x, v);
8267becb	293	#endif
	294	}
	295
0f113f3e MC	296	csc = X509_STORE_CTX_new();
0f113f3e MC	297	if (csc == NULL) {
ccf45361 PY	298	BIO_printf(bio_err, "error %s: X.509 store context allocation failed\n",
ccf45361 PY	299	(file == NULL) ? "stdin" : file);
0f113f3e MC	300	goto end;
0f113f3e MC	301	}
a392ef20	302
0f113f3e MC	303	X509_STORE_set_flags(ctx, vflags);
0f113f3e MC	304	if (!X509_STORE_CTX_init(csc, ctx, x, uchain)) {
aebd0e5c	305	X509_STORE_CTX_free(csc);
ccf45361 PY	306	BIO_printf(bio_err,
	307	"error %s: X.509 store context initialization failed\n",
	308	(file == NULL) ? "stdin" : file);
0f113f3e MC	309	goto end;
0f113f3e MC	310	}
2234212c	311	if (tchain != NULL)
f0e0fd51	312	X509_STORE_CTX_set0_trusted_stack(csc, tchain);
2234212c	313	if (crls != NULL)
0f113f3e MC	314	X509_STORE_CTX_set0_crls(csc, crls);
0f113f3e MC	315	i = X509_verify_cert(csc);
d9e309a6	316	if (i > 0 && X509_STORE_CTX_get_error(csc) == X509_V_OK) {
ccf45361	317	BIO_printf(bio_out, "%s: OK\n", (file == NULL) ? "stdin" : file);
480405e4	318	ret = 1;
63c6aa6b VD	319	if (show_chain) {
63c6aa6b VD	320	int j;
bb484020	321
63c6aa6b VD	322	chain = X509_STORE_CTX_get1_chain(csc);
63c6aa6b VD	323	num_untrusted = X509_STORE_CTX_get_num_untrusted(csc);
ccf45361	324	BIO_printf(bio_out, "Chain:\n");
63c6aa6b VD	325	for (j = 0; j < sk_X509_num(chain); j++) {
63c6aa6b VD	326	X509 *cert = sk_X509_value(chain, j);
ccf45361	327	BIO_printf(bio_out, "depth=%d: ", j);
63c6aa6b VD	328	X509_NAME_print_ex_fp(stdout,
63c6aa6b VD	329	X509_get_subject_name(cert),
b5c4209b	330	0, get_nameopt());
63c6aa6b	331	if (j < num_untrusted)
ccf45361 PY	332	BIO_printf(bio_out, " (untrusted)");
ccf45361 PY	333	BIO_printf(bio_out, "\n");
63c6aa6b VD	334	}
	335	sk_X509_pop_free(chain, X509_free);
	336	}
	337	} else {
ccf45361 PY	338	BIO_printf(bio_err,
	339	"error %s: verification failed\n",
	340	(file == NULL) ? "stdin" : file);
7f3f41d8	341	}
0f113f3e MC	342	X509_STORE_CTX_free(csc);
0f113f3e MC	343
0f113f3e	344	end:
480405e4	345	if (i <= 0)
63c6aa6b	346	ERR_print_errors(bio_err);
222561fe	347	X509_free(x);
0f113f3e	348
480405e4	349	return ret;
0f113f3e	350	}
d02b48c6	351
6d23cf97	352	static int cb(int ok, X509_STORE_CTX *ctx)
0f113f3e MC	353	{
	354	int cert_error = X509_STORE_CTX_get_error(ctx);
	355	X509 *current_cert = X509_STORE_CTX_get_current_cert(ctx);
	356
	357	if (!ok) {
2234212c	358	if (current_cert != NULL) {
ecf3a1fb RS	359	X509_NAME_print_ex(bio_err,
ecf3a1fb RS	360	X509_get_subject_name(current_cert),
b5c4209b	361	0, get_nameopt());
ecf3a1fb	362	BIO_printf(bio_err, "\n");
0f113f3e	363	}
63c6aa6b VD	364	BIO_printf(bio_err, "%serror %d at %d depth lookup: %s\n",
63c6aa6b VD	365	X509_STORE_CTX_get0_parent_ctx(ctx) ? "[CRL path] " : "",
0f113f3e MC	366	cert_error,
	367	X509_STORE_CTX_get_error_depth(ctx),
	368	X509_verify_cert_error_string(cert_error));
9b10986d RL	369
	370	/*
	371	* Pretend that some errors are ok, so they don't stop further
	372	* processing of the certificate chain. Setting ok = 1 does this.
	373	* After X509_verify_cert() is done, we verify that there were
	374	* no actual errors, even if the returned value was positive.
	375	*/
0f113f3e MC	376	switch (cert_error) {
0f113f3e MC	377	case X509_V_ERR_NO_EXPLICIT_POLICY:
ecf3a1fb	378	policies_print(ctx);
018fcbec	379	/* fall thru */
0f113f3e	380	case X509_V_ERR_CERT_HAS_EXPIRED:
9b10986d	381	/* Continue even if the leaf is a self signed cert */
0f113f3e MC	382	case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
	383	/* Continue after extension errors too */
	384	case X509_V_ERR_INVALID_CA:
	385	case X509_V_ERR_INVALID_NON_CA:
	386	case X509_V_ERR_PATH_LENGTH_EXCEEDED:
	387	case X509_V_ERR_INVALID_PURPOSE:
	388	case X509_V_ERR_CRL_HAS_EXPIRED:
	389	case X509_V_ERR_CRL_NOT_YET_VALID:
	390	case X509_V_ERR_UNHANDLED_CRITICAL_EXTENSION:
	391	ok = 1;
0f113f3e MC	392	}
	393
	394	return ok;
	395
	396	}
	397	if (cert_error == X509_V_OK && ok == 2)
ecf3a1fb	398	policies_print(ctx);
0f113f3e MC	399	if (!v_verbose)
0f113f3e MC	400	ERR_clear_error();
26a7d938	401	return ok;
0f113f3e	402	}