[thirdparty/openssl.git] / crypto / x509 / t_x509.c

/*
 * Copyright 1995-2021 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 "internal/cryptlib.h"
#include <openssl/buffer.h>
#include <openssl/bn.h>
#include <openssl/objects.h>
#include <openssl/x509.h>
#include <openssl/x509v3.h>
#include "crypto/asn1.h"
#include "crypto/x509.h"

#ifndef OPENSSL_NO_STDIO
int X509_print_fp(FILE *fp, X509 *x)
{
    return X509_print_ex_fp(fp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
}

int X509_print_ex_fp(FILE *fp, X509 *x, unsigned long nmflag,
                     unsigned long cflag)
{
    BIO *b;
    int ret;

    if ((b = BIO_new(BIO_s_file())) == NULL) {
        ERR_raise(ERR_LIB_X509, ERR_R_BUF_LIB);
        return 0;
    }
    BIO_set_fp(b, fp, BIO_NOCLOSE);
    ret = X509_print_ex(b, x, nmflag, cflag);
    BIO_free(b);
    return ret;
}
#endif

int X509_print(BIO *bp, X509 *x)
{
    return X509_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
}

int X509_print_ex(BIO *bp, X509 *x, unsigned long nmflags,
                  unsigned long cflag)
{
    long l;
    int ret = 0, i;
    char *m = NULL, mlch = ' ';
    int nmindent = 0;
    EVP_PKEY *pkey = NULL;
    const char *neg;

    if ((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
        mlch = '\n';
        nmindent = 12;
    }

    if (nmflags == X509_FLAG_COMPAT)
        nmindent = 16;

    if (!(cflag & X509_FLAG_NO_HEADER)) {
        if (BIO_write(bp, "Certificate:\n", 13) <= 0)
            goto err;
        if (BIO_write(bp, "    Data:\n", 10) <= 0)
            goto err;
    }
    if (!(cflag & X509_FLAG_NO_VERSION)) {
        l = X509_get_version(x);
        if (l >= 0 && l <= 2) {
            if (BIO_printf(bp, "%8sVersion: %ld (0x%lx)\n", "", l + 1, (unsigned long)l) <= 0)
                goto err;
        } else {
            if (BIO_printf(bp, "%8sVersion: Unknown (%ld)\n", "", l) <= 0)
                goto err;
        }
    }
    if (!(cflag & X509_FLAG_NO_SERIAL)) {
        const ASN1_INTEGER *bs = X509_get0_serialNumber(x);

        if (BIO_write(bp, "        Serial Number:", 22) <= 0)
            goto err;

        if (bs->length <= (int)sizeof(long)) {
                ERR_set_mark();
                l = ASN1_INTEGER_get(bs);
                ERR_pop_to_mark();
        } else {
            l = -1;
        }
        if (l != -1) {
            unsigned long ul;
            if (bs->type == V_ASN1_NEG_INTEGER) {
                ul = 0 - (unsigned long)l;
                neg = "-";
            } else {
                ul = l;
                neg = "";
            }
            if (BIO_printf(bp, " %s%lu (%s0x%lx)\n", neg, ul, neg, ul) <= 0)
                goto err;
        } else {
            neg = (bs->type == V_ASN1_NEG_INTEGER) ? " (Negative)" : "";
            if (BIO_printf(bp, "\n%12s%s", "", neg) <= 0)
                goto err;

            for (i = 0; i < bs->length; i++) {
                if (BIO_printf(bp, "%02x%c", bs->data[i],
                               ((i + 1 == bs->length) ? '\n' : ':')) <= 0)
                    goto err;
            }
        }

    }

    if (!(cflag & X509_FLAG_NO_SIGNAME)) {
        const X509_ALGOR *tsig_alg = X509_get0_tbs_sigalg(x);

        if (BIO_puts(bp, "    ") <= 0)
            goto err;
        if (X509_signature_print(bp, tsig_alg, NULL) <= 0)
            goto err;
    }

    if (!(cflag & X509_FLAG_NO_ISSUER)) {
        if (BIO_printf(bp, "        Issuer:%c", mlch) <= 0)
            goto err;
        if (X509_NAME_print_ex(bp, X509_get_issuer_name(x), nmindent, nmflags)
            < 0)
            goto err;
        if (BIO_write(bp, "\n", 1) <= 0)
            goto err;
    }
    if (!(cflag & X509_FLAG_NO_VALIDITY)) {
        if (BIO_write(bp, "        Validity\n", 17) <= 0)
            goto err;
        if (BIO_write(bp, "            Not Before: ", 24) <= 0)
            goto err;
        if (ossl_asn1_time_print_ex(bp, X509_get0_notBefore(x)) == 0)
            goto err;
        if (BIO_write(bp, "\n            Not After : ", 25) <= 0)
            goto err;
        if (ossl_asn1_time_print_ex(bp, X509_get0_notAfter(x)) == 0)
            goto err;
        if (BIO_write(bp, "\n", 1) <= 0)
            goto err;
    }
    if (!(cflag & X509_FLAG_NO_SUBJECT)) {
        if (BIO_printf(bp, "        Subject:%c", mlch) <= 0)
            goto err;
        if (X509_NAME_print_ex
            (bp, X509_get_subject_name(x), nmindent, nmflags) < 0)
            goto err;
        if (BIO_write(bp, "\n", 1) <= 0)
            goto err;
    }
    if (!(cflag & X509_FLAG_NO_PUBKEY)) {
        X509_PUBKEY *xpkey = X509_get_X509_PUBKEY(x);
        ASN1_OBJECT *xpoid;
        X509_PUBKEY_get0_param(&xpoid, NULL, NULL, NULL, xpkey);
        if (BIO_write(bp, "        Subject Public Key Info:\n", 33) <= 0)
            goto err;
        if (BIO_printf(bp, "%12sPublic Key Algorithm: ", "") <= 0)
            goto err;
        if (i2a_ASN1_OBJECT(bp, xpoid) <= 0)
            goto err;
        if (BIO_puts(bp, "\n") <= 0)
            goto err;

        pkey = X509_get0_pubkey(x);
        if (pkey == NULL) {
            BIO_printf(bp, "%12sUnable to load Public Key\n", "");
            ERR_print_errors(bp);
        } else {
            EVP_PKEY_print_public(bp, pkey, 16, NULL);
        }
    }

    if (!(cflag & X509_FLAG_NO_IDS)) {
        const ASN1_BIT_STRING *iuid, *suid;
        X509_get0_uids(x, &iuid, &suid);
        if (iuid != NULL) {
            if (BIO_printf(bp, "%8sIssuer Unique ID: ", "") <= 0)
                goto err;
            if (!X509_signature_dump(bp, iuid, 12))
                goto err;
        }
        if (suid != NULL) {
            if (BIO_printf(bp, "%8sSubject Unique ID: ", "") <= 0)
                goto err;
            if (!X509_signature_dump(bp, suid, 12))
                goto err;
        }
    }

    if (!(cflag & X509_FLAG_NO_EXTENSIONS)
        && !X509V3_extensions_print(bp, "X509v3 extensions",
                                    X509_get0_extensions(x), cflag, 8))
        goto err;

    if (!(cflag & X509_FLAG_NO_SIGDUMP)) {
        const X509_ALGOR *sig_alg;
        const ASN1_BIT_STRING *sig;
        X509_get0_signature(&sig, &sig_alg, x);
        if (X509_signature_print(bp, sig_alg, sig) <= 0)
            goto err;
    }
    if (!(cflag & X509_FLAG_NO_AUX)) {
        if (!X509_aux_print(bp, x, 0))
            goto err;
    }
    ret = 1;
 err:
    OPENSSL_free(m);
    return ret;
}

int X509_ocspid_print(BIO *bp, X509 *x)
{
    unsigned char *der = NULL;
    unsigned char *dertmp;
    int derlen;
    int i;
    unsigned char SHA1md[SHA_DIGEST_LENGTH];
    ASN1_BIT_STRING *keybstr;
    const X509_NAME *subj;

    /*
     * display the hash of the subject as it would appear in OCSP requests
     */
    if (BIO_printf(bp, "        Subject OCSP hash: ") <= 0)
        goto err;
    subj = X509_get_subject_name(x);
    derlen = i2d_X509_NAME(subj, NULL);
    if (derlen <= 0)
        goto err;
    if ((der = dertmp = OPENSSL_malloc(derlen)) == NULL)
        goto err;
    i2d_X509_NAME(subj, &dertmp);

    if (!EVP_Digest(der, derlen, SHA1md, NULL, EVP_sha1(), NULL))
        goto err;
    for (i = 0; i < SHA_DIGEST_LENGTH; i++) {
        if (BIO_printf(bp, "%02X", SHA1md[i]) <= 0)
            goto err;
    }
    OPENSSL_free(der);
    der = NULL;

    /*
     * display the hash of the public key as it would appear in OCSP requests
     */
    if (BIO_printf(bp, "\n        Public key OCSP hash: ") <= 0)
        goto err;

    keybstr = X509_get0_pubkey_bitstr(x);

    if (keybstr == NULL)
        goto err;

    if (!EVP_Digest(ASN1_STRING_get0_data(keybstr),
                    ASN1_STRING_length(keybstr), SHA1md, NULL, EVP_sha1(),
                    NULL))
        goto err;
    for (i = 0; i < SHA_DIGEST_LENGTH; i++) {
        if (BIO_printf(bp, "%02X", SHA1md[i]) <= 0)
            goto err;
    }
    BIO_printf(bp, "\n");

    return 1;
 err:
    OPENSSL_free(der);
    return 0;
}

int X509_signature_dump(BIO *bp, const ASN1_STRING *sig, int indent)
{
    const unsigned char *s;
    int i, n;

    n = sig->length;
    s = sig->data;
    for (i = 0; i < n; i++) {
        if ((i % 18) == 0) {
            if (i > 0 && BIO_write(bp, "\n", 1) <= 0)
                return 0;
            if (BIO_indent(bp, indent, indent) <= 0)
                return 0;
        }
        if (BIO_printf(bp, "%02x%s", s[i], ((i + 1) == n) ? "" : ":") <= 0)
            return 0;
    }
    if (BIO_write(bp, "\n", 1) != 1)
        return 0;

    return 1;
}

int X509_signature_print(BIO *bp, const X509_ALGOR *sigalg,
                         const ASN1_STRING *sig)
{
    int sig_nid;
    int indent = 4;
    if (BIO_printf(bp, "%*sSignature Algorithm: ", indent, "") <= 0)
        return 0;
    if (i2a_ASN1_OBJECT(bp, sigalg->algorithm) <= 0)
        return 0;

    if (sig && BIO_printf(bp, "\n%*sSignature Value:", indent, "") <= 0)
        return 0;
    sig_nid = OBJ_obj2nid(sigalg->algorithm);
    if (sig_nid != NID_undef) {
        int pkey_nid, dig_nid;
        const EVP_PKEY_ASN1_METHOD *ameth;
        if (OBJ_find_sigid_algs(sig_nid, &dig_nid, &pkey_nid)) {
            ameth = EVP_PKEY_asn1_find(NULL, pkey_nid);
            if (ameth && ameth->sig_print)
                return ameth->sig_print(bp, sigalg, sig, indent + 4, 0);
        }
    }
    if (BIO_write(bp, "\n", 1) != 1)
        return 0;
    if (sig)
        return X509_signature_dump(bp, sig, indent + 4);
    return 1;
}

int X509_aux_print(BIO *out, X509 *x, int indent)
{
    char oidstr[80], first;
    STACK_OF(ASN1_OBJECT) *trust, *reject;
    const unsigned char *alias, *keyid;
    int keyidlen;
    int i;
    if (X509_trusted(x) == 0)
        return 1;
    trust = X509_get0_trust_objects(x);
    reject = X509_get0_reject_objects(x);
    if (trust) {
        first = 1;
        BIO_printf(out, "%*sTrusted Uses:\n%*s", indent, "", indent + 2, "");
        for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++) {
            if (!first)
                BIO_puts(out, ", ");
            else
                first = 0;
            OBJ_obj2txt(oidstr, sizeof(oidstr),
                        sk_ASN1_OBJECT_value(trust, i), 0);
            BIO_puts(out, oidstr);
        }
        BIO_puts(out, "\n");
    } else
        BIO_printf(out, "%*sNo Trusted Uses.\n", indent, "");
    if (reject) {
        first = 1;
        BIO_printf(out, "%*sRejected Uses:\n%*s", indent, "", indent + 2, "");
        for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++) {
            if (!first)
                BIO_puts(out, ", ");
            else
                first = 0;
            OBJ_obj2txt(oidstr, sizeof(oidstr),
                        sk_ASN1_OBJECT_value(reject, i), 0);
            BIO_puts(out, oidstr);
        }
        BIO_puts(out, "\n");
    } else
        BIO_printf(out, "%*sNo Rejected Uses.\n", indent, "");
    alias = X509_alias_get0(x, NULL);
    if (alias)
        BIO_printf(out, "%*sAlias: %s\n", indent, "", alias);
    keyid = X509_keyid_get0(x, &keyidlen);
    if (keyid) {
        BIO_printf(out, "%*sKey Id: ", indent, "");
        for (i = 0; i < keyidlen; i++)
            BIO_printf(out, "%s%02X", i ? ":" : "", keyid[i]);
        BIO_write(out, "\n", 1);
    }
    return 1;
}

/*
 * Helper functions for improving certificate verification error diagnostics
 */

int ossl_x509_print_ex_brief(BIO *bio, X509 *cert, unsigned long neg_cflags)
{
    unsigned long flags = ASN1_STRFLGS_RFC2253 | ASN1_STRFLGS_ESC_QUOTE |
        XN_FLAG_SEP_CPLUS_SPC | XN_FLAG_FN_SN;

    if (cert == NULL)
        return BIO_printf(bio, "    (no certificate)\n") > 0;
    if (BIO_printf(bio, "    certificate\n") <= 0
            || !X509_print_ex(bio, cert, flags, ~X509_FLAG_NO_SUBJECT))
        return 0;
    if (X509_check_issued((X509 *)cert, cert) == X509_V_OK) {
        if (BIO_printf(bio, "        self-issued\n") <= 0)
            return 0;
    } else {
        if (BIO_printf(bio, " ") <= 0
            || !X509_print_ex(bio, cert, flags, ~X509_FLAG_NO_ISSUER))
            return 0;
    }
    if (!X509_print_ex(bio, cert, flags,
                       ~(X509_FLAG_NO_SERIAL | X509_FLAG_NO_VALIDITY)))
        return 0;
    if (X509_cmp_current_time(X509_get0_notBefore(cert)) > 0)
        if (BIO_printf(bio, "        not yet valid\n") <= 0)
            return 0;
    if (X509_cmp_current_time(X509_get0_notAfter(cert)) < 0)
        if (BIO_printf(bio, "        no more valid\n") <= 0)
            return 0;
    return X509_print_ex(bio, cert, flags,
                         ~neg_cflags & ~X509_FLAG_EXTENSIONS_ONLY_KID);
}

static int print_certs(BIO *bio, const STACK_OF(X509) *certs)
{
    int i;

    if (certs == NULL || sk_X509_num(certs) <= 0)
        return BIO_printf(bio, "    (no certificates)\n") >= 0;

    for (i = 0; i < sk_X509_num(certs); i++) {
        X509 *cert = sk_X509_value(certs, i);

        if (cert != NULL) {
            if (!ossl_x509_print_ex_brief(bio, cert, 0))
                return 0;
            if (!X509V3_extensions_print(bio, NULL,
                                         X509_get0_extensions(cert),
                                         X509_FLAG_EXTENSIONS_ONLY_KID, 8))
                return 0;
            }
    }
    return 1;
}

static int print_store_certs(BIO *bio, X509_STORE *store)
{
    if (store != NULL) {
        STACK_OF(X509) *certs = X509_STORE_get1_all_certs(store);
        int ret = print_certs(bio, certs);

        sk_X509_pop_free(certs, X509_free);
        return ret;
    } else {
        return BIO_printf(bio, "    (no trusted store)\n") >= 0;
    }
}

/* Extend the error queue with details on a failed cert verification */
int X509_STORE_CTX_print_verify_cb(int ok, X509_STORE_CTX *ctx)
{
    if (ok == 0 && ctx != NULL) {
        int cert_error = X509_STORE_CTX_get_error(ctx);
        BIO *bio = BIO_new(BIO_s_mem()); /* may be NULL */

        BIO_printf(bio, "%s at depth = %d error = %d (%s)\n",
                   X509_STORE_CTX_get0_parent_ctx(ctx) != NULL
                   ? "CRL path validation"
                   : "Certificate verification",
                   X509_STORE_CTX_get_error_depth(ctx),
                   cert_error, X509_verify_cert_error_string(cert_error));
        {
            X509_STORE *ts = X509_STORE_CTX_get0_store(ctx);
            X509_VERIFY_PARAM *vpm = X509_STORE_get0_param(ts);
            char *str;
            int idx = 0;

            switch (cert_error) {
            case X509_V_ERR_HOSTNAME_MISMATCH:
                BIO_printf(bio, "Expected hostname(s) = ");
                while ((str = X509_VERIFY_PARAM_get0_host(vpm, idx++)) != NULL)
                    BIO_printf(bio, "%s%s", idx == 1 ? "" : ", ", str);
                BIO_printf(bio, "\n");
                break;
            case X509_V_ERR_EMAIL_MISMATCH:
                str = X509_VERIFY_PARAM_get0_email(vpm);
                if (str != NULL)
                    BIO_printf(bio, "Expected email address = %s\n", str);
                break;
            case X509_V_ERR_IP_ADDRESS_MISMATCH:
                str = X509_VERIFY_PARAM_get1_ip_asc(vpm);
                if (str != NULL)
                    BIO_printf(bio, "Expected IP address = %s\n", str);
                OPENSSL_free(str);
                break;
            default:
                break;
            }
        }

        BIO_printf(bio, "Failure for:\n");
        ossl_x509_print_ex_brief(bio, X509_STORE_CTX_get_current_cert(ctx),
                                 X509_FLAG_NO_EXTENSIONS);
        if (cert_error == X509_V_ERR_CERT_UNTRUSTED
                || cert_error == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT
                || cert_error == X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN
                || cert_error == X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT
                || cert_error == X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY
                || cert_error == X509_V_ERR_UNABLE_TO_GET_CRL_ISSUER
                || cert_error == X509_V_ERR_STORE_LOOKUP) {
            BIO_printf(bio, "Non-trusted certs:\n");
            print_certs(bio, X509_STORE_CTX_get0_untrusted(ctx));
            BIO_printf(bio, "Certs in trust store:\n");
            print_store_certs(bio, X509_STORE_CTX_get0_store(ctx));
        }
        ERR_raise(ERR_LIB_X509, X509_R_CERTIFICATE_VERIFICATION_FAILED);
        ERR_add_error_mem_bio("\n", bio);
        BIO_free(bio);
    }

    /*
     * TODO we could check policies here too, e.g.:
     * if (cert_error == X509_V_OK && ok == 2)
     *     policies_print(NULL, ctx);
     */

    return ok;
}
Commit	Line	Data
b1322259	1	/*
4333b89f	2	* Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved.
d02b48c6	3	*
3e4b43b9	4	* Licensed under the Apache License 2.0 (the "License"). You may not use
b1322259 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>
b39fc560	11	#include "internal/cryptlib.h"
ec577822 BM	12	#include <openssl/buffer.h>
ec577822 BM	13	#include <openssl/bn.h>
ec577822 BM	14	#include <openssl/objects.h>
	15	#include <openssl/x509.h>
	16	#include <openssl/x509v3.h>
25f2138b	17	#include "crypto/asn1.h"
31b28ad9	18	#include "crypto/x509.h"
d02b48c6	19
4b618848	20	#ifndef OPENSSL_NO_STDIO
6b691a5c	21	int X509_print_fp(FILE fp, X509 x)
0f113f3e MC	22	{
	23	return X509_print_ex_fp(fp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
	24	}
d0c98589	25
0f113f3e MC	26	int X509_print_ex_fp(FILE fp, X509 x, unsigned long nmflag,
	27	unsigned long cflag)
	28	{
	29	BIO *b;
	30	int ret;
	31
	32	if ((b = BIO_new(BIO_s_file())) == NULL) {
9311d0c4	33	ERR_raise(ERR_LIB_X509, ERR_R_BUF_LIB);
26a7d938	34	return 0;
0f113f3e MC	35	}
	36	BIO_set_fp(b, fp, BIO_NOCLOSE);
	37	ret = X509_print_ex(b, x, nmflag, cflag);
	38	BIO_free(b);
26a7d938	39	return ret;
0f113f3e	40	}
d02b48c6 RE	41	#endif
d02b48c6 RE	42
6b691a5c	43	int X509_print(BIO bp, X509 x)
d0c98589	44	{
0f113f3e	45	return X509_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
d0c98589 DSH	46	}
d0c98589 DSH	47
0f113f3e MC	48	int X509_print_ex(BIO bp, X509 x, unsigned long nmflags,
	49	unsigned long cflag)
	50	{
	51	long l;
	52	int ret = 0, i;
	53	char *m = NULL, mlch = ' ';
	54	int nmindent = 0;
0f113f3e MC	55	EVP_PKEY *pkey = NULL;
	56	const char *neg;
	57
	58	if ((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
	59	mlch = '\n';
	60	nmindent = 12;
	61	}
	62
	63	if (nmflags == X509_FLAG_COMPAT)
	64	nmindent = 16;
	65
0f113f3e MC	66	if (!(cflag & X509_FLAG_NO_HEADER)) {
	67	if (BIO_write(bp, "Certificate:\n", 13) <= 0)
	68	goto err;
	69	if (BIO_write(bp, " Data:\n", 10) <= 0)
	70	goto err;
	71	}
	72	if (!(cflag & X509_FLAG_NO_VERSION)) {
	73	l = X509_get_version(x);
676befbe KR	74	if (l >= 0 && l <= 2) {
	75	if (BIO_printf(bp, "%8sVersion: %ld (0x%lx)\n", "", l + 1, (unsigned long)l) <= 0)
	76	goto err;
	77	} else {
	78	if (BIO_printf(bp, "%8sVersion: Unknown (%ld)\n", "", l) <= 0)
	79	goto err;
	80	}
0f113f3e MC	81	}
0f113f3e MC	82	if (!(cflag & X509_FLAG_NO_SERIAL)) {
1337a3a9	83	const ASN1_INTEGER *bs = X509_get0_serialNumber(x);
0f113f3e MC	84
	85	if (BIO_write(bp, " Serial Number:", 22) <= 0)
	86	goto err;
	87
0f113f3e	88	if (bs->length <= (int)sizeof(long)) {
4336de0c DSH	89	ERR_set_mark();
	90	l = ASN1_INTEGER_get(bs);
	91	ERR_pop_to_mark();
	92	} else {
	93	l = -1;
	94	}
	95	if (l != -1) {
244d7b28	96	unsigned long ul;
0f113f3e	97	if (bs->type == V_ASN1_NEG_INTEGER) {
244d7b28	98	ul = 0 - (unsigned long)l;
0f113f3e	99	neg = "-";
c4a60150	100	} else {
244d7b28	101	ul = l;
0f113f3e	102	neg = "";
c4a60150	103	}
244d7b28	104	if (BIO_printf(bp, " %s%lu (%s0x%lx)\n", neg, ul, neg, ul) <= 0)
0f113f3e MC	105	goto err;
	106	} else {
	107	neg = (bs->type == V_ASN1_NEG_INTEGER) ? " (Negative)" : "";
	108	if (BIO_printf(bp, "\n%12s%s", "", neg) <= 0)
	109	goto err;
	110
	111	for (i = 0; i < bs->length; i++) {
	112	if (BIO_printf(bp, "%02x%c", bs->data[i],
	113	((i + 1 == bs->length) ? '\n' : ':')) <= 0)
	114	goto err;
	115	}
	116	}
	117
	118	}
	119
	120	if (!(cflag & X509_FLAG_NO_SIGNAME)) {
8900f3e3	121	const X509_ALGOR *tsig_alg = X509_get0_tbs_sigalg(x);
e6cccb5f YL	122
	123	if (BIO_puts(bp, " ") <= 0)
	124	goto err;
699f1635	125	if (X509_signature_print(bp, tsig_alg, NULL) <= 0)
0f113f3e	126	goto err;
0f113f3e MC	127	}
	128
	129	if (!(cflag & X509_FLAG_NO_ISSUER)) {
	130	if (BIO_printf(bp, " Issuer:%c", mlch) <= 0)
	131	goto err;
	132	if (X509_NAME_print_ex(bp, X509_get_issuer_name(x), nmindent, nmflags)
	133	< 0)
	134	goto err;
	135	if (BIO_write(bp, "\n", 1) <= 0)
	136	goto err;
	137	}
	138	if (!(cflag & X509_FLAG_NO_VALIDITY)) {
	139	if (BIO_write(bp, " Validity\n", 17) <= 0)
	140	goto err;
	141	if (BIO_write(bp, " Not Before: ", 24) <= 0)
	142	goto err;
adf7e6d1	143	if (ossl_asn1_time_print_ex(bp, X509_get0_notBefore(x)) == 0)
0f113f3e MC	144	goto err;
	145	if (BIO_write(bp, "\n Not After : ", 25) <= 0)
	146	goto err;
adf7e6d1	147	if (ossl_asn1_time_print_ex(bp, X509_get0_notAfter(x)) == 0)
0f113f3e MC	148	goto err;
	149	if (BIO_write(bp, "\n", 1) <= 0)
	150	goto err;
	151	}
	152	if (!(cflag & X509_FLAG_NO_SUBJECT)) {
	153	if (BIO_printf(bp, " Subject:%c", mlch) <= 0)
	154	goto err;
	155	if (X509_NAME_print_ex
	156	(bp, X509_get_subject_name(x), nmindent, nmflags) < 0)
	157	goto err;
	158	if (BIO_write(bp, "\n", 1) <= 0)
	159	goto err;
	160	}
	161	if (!(cflag & X509_FLAG_NO_PUBKEY)) {
699f1635 DSH	162	X509_PUBKEY *xpkey = X509_get_X509_PUBKEY(x);
	163	ASN1_OBJECT *xpoid;
	164	X509_PUBKEY_get0_param(&xpoid, NULL, NULL, NULL, xpkey);
0f113f3e MC	165	if (BIO_write(bp, " Subject Public Key Info:\n", 33) <= 0)
	166	goto err;
	167	if (BIO_printf(bp, "%12sPublic Key Algorithm: ", "") <= 0)
	168	goto err;
699f1635	169	if (i2a_ASN1_OBJECT(bp, xpoid) <= 0)
0f113f3e MC	170	goto err;
	171	if (BIO_puts(bp, "\n") <= 0)
	172	goto err;
	173
c01ff880	174	pkey = X509_get0_pubkey(x);
0f113f3e MC	175	if (pkey == NULL) {
	176	BIO_printf(bp, "%12sUnable to load Public Key\n", "");
	177	ERR_print_errors(bp);
	178	} else {
	179	EVP_PKEY_print_public(bp, pkey, 16, NULL);
0f113f3e MC	180	}
	181	}
	182
	183	if (!(cflag & X509_FLAG_NO_IDS)) {
8900f3e3 DSH	184	const ASN1_BIT_STRING iuid, suid;
8900f3e3 DSH	185	X509_get0_uids(x, &iuid, &suid);
699f1635	186	if (iuid != NULL) {
0f113f3e MC	187	if (BIO_printf(bp, "%8sIssuer Unique ID: ", "") <= 0)
0f113f3e MC	188	goto err;
699f1635	189	if (!X509_signature_dump(bp, iuid, 12))
0f113f3e MC	190	goto err;
0f113f3e MC	191	}
699f1635	192	if (suid != NULL) {
0f113f3e MC	193	if (BIO_printf(bp, "%8sSubject Unique ID: ", "") <= 0)
0f113f3e MC	194	goto err;
699f1635	195	if (!X509_signature_dump(bp, suid, 12))
0f113f3e MC	196	goto err;
	197	}
	198	}
	199
076bf8c2 DDO	200	if (!(cflag & X509_FLAG_NO_EXTENSIONS)
	201	&& !X509V3_extensions_print(bp, "X509v3 extensions",
	202	X509_get0_extensions(x), cflag, 8))
	203	goto err;
0f113f3e MC	204
0f113f3e MC	205	if (!(cflag & X509_FLAG_NO_SIGDUMP)) {
8adc1cb8 DSH	206	const X509_ALGOR *sig_alg;
8adc1cb8 DSH	207	const ASN1_BIT_STRING *sig;
699f1635 DSH	208	X509_get0_signature(&sig, &sig_alg, x);
699f1635 DSH	209	if (X509_signature_print(bp, sig_alg, sig) <= 0)
0f113f3e MC	210	goto err;
	211	}
	212	if (!(cflag & X509_FLAG_NO_AUX)) {
699f1635	213	if (!X509_aux_print(bp, x, 0))
0f113f3e MC	214	goto err;
	215	}
	216	ret = 1;
	217	err:
b548a1f1	218	OPENSSL_free(m);
26a7d938	219	return ret;
0f113f3e MC	220	}
	221
	222	int X509_ocspid_print(BIO bp, X509 x)
	223	{
	224	unsigned char *der = NULL;
	225	unsigned char *dertmp;
	226	int derlen;
	227	int i;
	228	unsigned char SHA1md[SHA_DIGEST_LENGTH];
699f1635	229	ASN1_BIT_STRING *keybstr;
8cc86b81	230	const X509_NAME *subj;
0f113f3e MC	231
	232	/*
	233	* display the hash of the subject as it would appear in OCSP requests
	234	*/
	235	if (BIO_printf(bp, " Subject OCSP hash: ") <= 0)
	236	goto err;
699f1635 DSH	237	subj = X509_get_subject_name(x);
699f1635 DSH	238	derlen = i2d_X509_NAME(subj, NULL);
42e7d2f1 SL	239	if (derlen <= 0)
42e7d2f1 SL	240	goto err;
b196e7d9	241	if ((der = dertmp = OPENSSL_malloc(derlen)) == NULL)
0f113f3e	242	goto err;
699f1635	243	i2d_X509_NAME(subj, &dertmp);
0f113f3e MC	244
	245	if (!EVP_Digest(der, derlen, SHA1md, NULL, EVP_sha1(), NULL))
	246	goto err;
	247	for (i = 0; i < SHA_DIGEST_LENGTH; i++) {
	248	if (BIO_printf(bp, "%02X", SHA1md[i]) <= 0)
	249	goto err;
	250	}
	251	OPENSSL_free(der);
	252	der = NULL;
	253
	254	/*
	255	* display the hash of the public key as it would appear in OCSP requests
	256	*/
	257	if (BIO_printf(bp, "\n Public key OCSP hash: ") <= 0)
	258	goto err;
	259
699f1635 DSH	260	keybstr = X509_get0_pubkey_bitstr(x);
	261
	262	if (keybstr == NULL)
	263	goto err;
	264
17ebf85a DSH	265	if (!EVP_Digest(ASN1_STRING_get0_data(keybstr),
	266	ASN1_STRING_length(keybstr), SHA1md, NULL, EVP_sha1(),
	267	NULL))
0f113f3e MC	268	goto err;
	269	for (i = 0; i < SHA_DIGEST_LENGTH; i++) {
	270	if (BIO_printf(bp, "%02X", SHA1md[i]) <= 0)
	271	goto err;
	272	}
	273	BIO_printf(bp, "\n");
	274
208fb891	275	return 1;
0f113f3e	276	err:
b548a1f1	277	OPENSSL_free(der);
26a7d938	278	return 0;
0f113f3e	279	}
eb64730b	280
fa1ba589	281	int X509_signature_dump(BIO bp, const ASN1_STRING sig, int indent)
de487514	282	{
0f113f3e MC	283	const unsigned char *s;
	284	int i, n;
	285
	286	n = sig->length;
	287	s = sig->data;
	288	for (i = 0; i < n; i++) {
	289	if ((i % 18) == 0) {
a4c467c9	290	if (i > 0 && BIO_write(bp, "\n", 1) <= 0)
0f113f3e MC	291	return 0;
	292	if (BIO_indent(bp, indent, indent) <= 0)
	293	return 0;
	294	}
	295	if (BIO_printf(bp, "%02x%s", s[i], ((i + 1) == n) ? "" : ":") <= 0)
	296	return 0;
	297	}
	298	if (BIO_write(bp, "\n", 1) != 1)
	299	return 0;
	300
	301	return 1;
de487514 DSH	302	}
de487514 DSH	303
5e6089f0 MC	304	int X509_signature_print(BIO bp, const X509_ALGOR sigalg,
5e6089f0 MC	305	const ASN1_STRING *sig)
fa1ba589	306	{
0f113f3e	307	int sig_nid;
5743d126 DO	308	int indent = 4;
5743d126 DO	309	if (BIO_printf(bp, "%*sSignature Algorithm: ", indent, "") <= 0)
0f113f3e MC	310	return 0;
	311	if (i2a_ASN1_OBJECT(bp, sigalg->algorithm) <= 0)
	312	return 0;
	313
5743d126 DO	314	if (sig && BIO_printf(bp, "\n%*sSignature Value:", indent, "") <= 0)
5743d126 DO	315	return 0;
0f113f3e MC	316	sig_nid = OBJ_obj2nid(sigalg->algorithm);
	317	if (sig_nid != NID_undef) {
	318	int pkey_nid, dig_nid;
	319	const EVP_PKEY_ASN1_METHOD *ameth;
	320	if (OBJ_find_sigid_algs(sig_nid, &dig_nid, &pkey_nid)) {
	321	ameth = EVP_PKEY_asn1_find(NULL, pkey_nid);
	322	if (ameth && ameth->sig_print)
5743d126	323	return ameth->sig_print(bp, sigalg, sig, indent + 4, 0);
0f113f3e MC	324	}
0f113f3e MC	325	}
a4c467c9 DO	326	if (BIO_write(bp, "\n", 1) != 1)
a4c467c9 DO	327	return 0;
0f113f3e	328	if (sig)
5743d126	329	return X509_signature_dump(bp, sig, indent + 4);
0f113f3e	330	return 1;
fa1ba589	331	}
699f1635 DSH	332
	333	int X509_aux_print(BIO out, X509 x, int indent)
	334	{
	335	char oidstr[80], first;
	336	STACK_OF(ASN1_OBJECT) trust, reject;
	337	const unsigned char alias, keyid;
	338	int keyidlen;
	339	int i;
	340	if (X509_trusted(x) == 0)
	341	return 1;
	342	trust = X509_get0_trust_objects(x);
	343	reject = X509_get0_reject_objects(x);
	344	if (trust) {
	345	first = 1;
	346	BIO_printf(out, "%sTrusted Uses:\n%s", indent, "", indent + 2, "");
	347	for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++) {
	348	if (!first)
	349	BIO_puts(out, ", ");
	350	else
	351	first = 0;
cbe29648	352	OBJ_obj2txt(oidstr, sizeof(oidstr),
699f1635 DSH	353	sk_ASN1_OBJECT_value(trust, i), 0);
	354	BIO_puts(out, oidstr);
	355	}
	356	BIO_puts(out, "\n");
	357	} else
	358	BIO_printf(out, "%*sNo Trusted Uses.\n", indent, "");
	359	if (reject) {
	360	first = 1;
	361	BIO_printf(out, "%sRejected Uses:\n%s", indent, "", indent + 2, "");
	362	for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++) {
	363	if (!first)
	364	BIO_puts(out, ", ");
	365	else
	366	first = 0;
cbe29648	367	OBJ_obj2txt(oidstr, sizeof(oidstr),
699f1635 DSH	368	sk_ASN1_OBJECT_value(reject, i), 0);
	369	BIO_puts(out, oidstr);
	370	}
	371	BIO_puts(out, "\n");
	372	} else
	373	BIO_printf(out, "%*sNo Rejected Uses.\n", indent, "");
	374	alias = X509_alias_get0(x, NULL);
	375	if (alias)
	376	BIO_printf(out, "%*sAlias: %s\n", indent, "", alias);
	377	keyid = X509_keyid_get0(x, &keyidlen);
	378	if (keyid) {
	379	BIO_printf(out, "%*sKey Id: ", indent, "");
	380	for (i = 0; i < keyidlen; i++)
	381	BIO_printf(out, "%s%02X", i ? ":" : "", keyid[i]);
	382	BIO_write(out, "\n", 1);
	383	}
	384	return 1;
	385	}
31b28ad9 DDO	386
	387	/*
	388	* Helper functions for improving certificate verification error diagnostics
	389	*/
	390
4669015d	391	int ossl_x509_print_ex_brief(BIO bio, X509 cert, unsigned long neg_cflags)
31b28ad9 DDO	392	{
	393	unsigned long flags = ASN1_STRFLGS_RFC2253 \| ASN1_STRFLGS_ESC_QUOTE \|
	394	XN_FLAG_SEP_CPLUS_SPC \| XN_FLAG_FN_SN;
	395
	396	if (cert == NULL)
	397	return BIO_printf(bio, " (no certificate)\n") > 0;
	398	if (BIO_printf(bio, " certificate\n") <= 0
	399	\|\| !X509_print_ex(bio, cert, flags, ~X509_FLAG_NO_SUBJECT))
	400	return 0;
	401	if (X509_check_issued((X509 *)cert, cert) == X509_V_OK) {
	402	if (BIO_printf(bio, " self-issued\n") <= 0)
	403	return 0;
	404	} else {
	405	if (BIO_printf(bio, " ") <= 0
	406	\|\| !X509_print_ex(bio, cert, flags, ~X509_FLAG_NO_ISSUER))
	407	return 0;
	408	}
	409	if (!X509_print_ex(bio, cert, flags,
	410	~(X509_FLAG_NO_SERIAL \| X509_FLAG_NO_VALIDITY)))
	411	return 0;
	412	if (X509_cmp_current_time(X509_get0_notBefore(cert)) > 0)
	413	if (BIO_printf(bio, " not yet valid\n") <= 0)
	414	return 0;
	415	if (X509_cmp_current_time(X509_get0_notAfter(cert)) < 0)
	416	if (BIO_printf(bio, " no more valid\n") <= 0)
	417	return 0;
076bf8c2 DDO	418	return X509_print_ex(bio, cert, flags,
076bf8c2 DDO	419	~neg_cflags & ~X509_FLAG_EXTENSIONS_ONLY_KID);
31b28ad9 DDO	420	}
	421
	422	static int print_certs(BIO bio, const STACK_OF(X509) certs)
	423	{
	424	int i;
	425
	426	if (certs == NULL \|\| sk_X509_num(certs) <= 0)
	427	return BIO_printf(bio, " (no certificates)\n") >= 0;
	428
	429	for (i = 0; i < sk_X509_num(certs); i++) {
	430	X509 *cert = sk_X509_value(certs, i);
076bf8c2 DDO	431
076bf8c2 DDO	432	if (cert != NULL) {
4669015d	433	if (!ossl_x509_print_ex_brief(bio, cert, 0))
076bf8c2 DDO	434	return 0;
	435	if (!X509V3_extensions_print(bio, NULL,
	436	X509_get0_extensions(cert),
	437	X509_FLAG_EXTENSIONS_ONLY_KID, 8))
	438	return 0;
	439	}
31b28ad9 DDO	440	}
	441	return 1;
	442	}
	443
	444	static int print_store_certs(BIO bio, X509_STORE store)
	445	{
	446	if (store != NULL) {
	447	STACK_OF(X509) *certs = X509_STORE_get1_all_certs(store);
	448	int ret = print_certs(bio, certs);
	449
	450	sk_X509_pop_free(certs, X509_free);
	451	return ret;
	452	} else {
	453	return BIO_printf(bio, " (no trusted store)\n") >= 0;
	454	}
	455	}
	456
	457	/* Extend the error queue with details on a failed cert verification */
	458	int X509_STORE_CTX_print_verify_cb(int ok, X509_STORE_CTX *ctx)
	459	{
	460	if (ok == 0 && ctx != NULL) {
	461	int cert_error = X509_STORE_CTX_get_error(ctx);
31b28ad9 DDO	462	BIO bio = BIO_new(BIO_s_mem()); / may be NULL */
31b28ad9 DDO	463
278260bf	464	BIO_printf(bio, "%s at depth = %d error = %d (%s)\n",
31b28ad9	465	X509_STORE_CTX_get0_parent_ctx(ctx) != NULL
278260bf DDO	466	? "CRL path validation"
	467	: "Certificate verification",
	468	X509_STORE_CTX_get_error_depth(ctx),
	469	cert_error, X509_verify_cert_error_string(cert_error));
	470	{
	471	X509_STORE *ts = X509_STORE_CTX_get0_store(ctx);
	472	X509_VERIFY_PARAM *vpm = X509_STORE_get0_param(ts);
	473	char *str;
	474	int idx = 0;
	475
	476	switch (cert_error) {
	477	case X509_V_ERR_HOSTNAME_MISMATCH:
	478	BIO_printf(bio, "Expected hostname(s) = ");
	479	while ((str = X509_VERIFY_PARAM_get0_host(vpm, idx++)) != NULL)
	480	BIO_printf(bio, "%s%s", idx == 1 ? "" : ", ", str);
	481	BIO_printf(bio, "\n");
	482	break;
	483	case X509_V_ERR_EMAIL_MISMATCH:
	484	str = X509_VERIFY_PARAM_get0_email(vpm);
	485	if (str != NULL)
	486	BIO_printf(bio, "Expected email address = %s\n", str);
	487	break;
	488	case X509_V_ERR_IP_ADDRESS_MISMATCH:
	489	str = X509_VERIFY_PARAM_get1_ip_asc(vpm);
	490	if (str != NULL)
	491	BIO_printf(bio, "Expected IP address = %s\n", str);
	492	OPENSSL_free(str);
	493	break;
	494	default:
	495	break;
	496	}
	497	}
	498
	499	BIO_printf(bio, "Failure for:\n");
4669015d SL	500	ossl_x509_print_ex_brief(bio, X509_STORE_CTX_get_current_cert(ctx),
4669015d SL	501	X509_FLAG_NO_EXTENSIONS);
31b28ad9 DDO	502	if (cert_error == X509_V_ERR_CERT_UNTRUSTED
	503	\|\| cert_error == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT
	504	\|\| cert_error == X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN
	505	\|\| cert_error == X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT
	506	\|\| cert_error == X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY
	507	\|\| cert_error == X509_V_ERR_UNABLE_TO_GET_CRL_ISSUER
	508	\|\| cert_error == X509_V_ERR_STORE_LOOKUP) {
278260bf	509	BIO_printf(bio, "Non-trusted certs:\n");
31b28ad9	510	print_certs(bio, X509_STORE_CTX_get0_untrusted(ctx));
278260bf	511	BIO_printf(bio, "Certs in trust store:\n");
31b28ad9 DDO	512	print_store_certs(bio, X509_STORE_CTX_get0_store(ctx));
31b28ad9 DDO	513	}
9311d0c4	514	ERR_raise(ERR_LIB_X509, X509_R_CERTIFICATE_VERIFICATION_FAILED);
31b28ad9 DDO	515	ERR_add_error_mem_bio("\n", bio);
	516	BIO_free(bio);
	517	}
	518
	519	/*
	520	* TODO we could check policies here too, e.g.:
	521	* if (cert_error == X509_V_OK && ok == 2)
	522	* policies_print(NULL, ctx);
	523	*/
	524
	525	return ok;
	526	}