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

/*
 * Copyright 1995-2022 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"

void OSSL_STACK_OF_X509_free(STACK_OF(X509) *certs)
{
    sk_X509_pop_free(certs, X509_free);
}

#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 mlch = ' ';
    int nmindent = 0, printok = 0;
    EVP_PKEY *pkey = NULL;
    const char *neg;

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

    if (nmflags == XN_FLAG_COMPAT)
        printok = 1;

    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 >= X509_VERSION_1 && l <= X509_VERSION_3) {
            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)
            < printok)
            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), ASN1_DTFLGS_RFC822) == 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), ASN1_DTFLGS_RFC822) == 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) < printok)
            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:
    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;
    EVP_MD *md = NULL;

    if (x == NULL || bp == NULL)
        return 0;
    /*
     * 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);

    md = EVP_MD_fetch(x->libctx, SN_sha1, x->propq);
    if (md == NULL)
        goto err;
    if (!EVP_Digest(der, derlen, SHA1md, NULL, md, 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, md, 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");
    EVP_MD_free(md);

    return 1;
 err:
    OPENSSL_free(der);
    EVP_MD_free(md);
    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, &i);
    if (alias)
        BIO_printf(out, "%*sAlias: %.*s\n", indent, "", i, 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);

        OSSL_STACK_OF_X509_free(certs);
        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 */

        if (bio == NULL)
            return 0;
        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);
    }

    return ok;
}
Commit	Line	Data
b1322259	1	/*
fecb3aae	2	* Copyright 1995-2022 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
79b2a2f2 DDO	20	void OSSL_STACK_OF_X509_free(STACK_OF(X509) *certs)
	21	{
	22	sk_X509_pop_free(certs, X509_free);
	23	}
	24
4b618848	25	#ifndef OPENSSL_NO_STDIO
6b691a5c	26	int X509_print_fp(FILE fp, X509 x)
0f113f3e MC	27	{
	28	return X509_print_ex_fp(fp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
	29	}
d0c98589	30
0f113f3e MC	31	int X509_print_ex_fp(FILE fp, X509 x, unsigned long nmflag,
	32	unsigned long cflag)
	33	{
	34	BIO *b;
	35	int ret;
	36
	37	if ((b = BIO_new(BIO_s_file())) == NULL) {
9311d0c4	38	ERR_raise(ERR_LIB_X509, ERR_R_BUF_LIB);
26a7d938	39	return 0;
0f113f3e MC	40	}
	41	BIO_set_fp(b, fp, BIO_NOCLOSE);
	42	ret = X509_print_ex(b, x, nmflag, cflag);
	43	BIO_free(b);
26a7d938	44	return ret;
0f113f3e	45	}
d02b48c6 RE	46	#endif
d02b48c6 RE	47
6b691a5c	48	int X509_print(BIO bp, X509 x)
d0c98589	49	{
0f113f3e	50	return X509_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
d0c98589 DSH	51	}
d0c98589 DSH	52
0f113f3e MC	53	int X509_print_ex(BIO bp, X509 x, unsigned long nmflags,
	54	unsigned long cflag)
	55	{
	56	long l;
	57	int ret = 0, i;
36699c12	58	char mlch = ' ';
02db7354	59	int nmindent = 0, printok = 0;
0f113f3e MC	60	EVP_PKEY *pkey = NULL;
	61	const char *neg;
	62
	63	if ((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
	64	mlch = '\n';
	65	nmindent = 12;
	66	}
	67
2126ca3d	68	if (nmflags == XN_FLAG_COMPAT)
02db7354	69	printok = 1;
0f113f3e	70
0f113f3e MC	71	if (!(cflag & X509_FLAG_NO_HEADER)) {
	72	if (BIO_write(bp, "Certificate:\n", 13) <= 0)
	73	goto err;
	74	if (BIO_write(bp, " Data:\n", 10) <= 0)
	75	goto err;
	76	}
	77	if (!(cflag & X509_FLAG_NO_VERSION)) {
	78	l = X509_get_version(x);
cdf63a37	79	if (l >= X509_VERSION_1 && l <= X509_VERSION_3) {
676befbe KR	80	if (BIO_printf(bp, "%8sVersion: %ld (0x%lx)\n", "", l + 1, (unsigned long)l) <= 0)
	81	goto err;
	82	} else {
	83	if (BIO_printf(bp, "%8sVersion: Unknown (%ld)\n", "", l) <= 0)
	84	goto err;
	85	}
0f113f3e MC	86	}
0f113f3e MC	87	if (!(cflag & X509_FLAG_NO_SERIAL)) {
1337a3a9	88	const ASN1_INTEGER *bs = X509_get0_serialNumber(x);
0f113f3e MC	89
	90	if (BIO_write(bp, " Serial Number:", 22) <= 0)
	91	goto err;
	92
0f113f3e	93	if (bs->length <= (int)sizeof(long)) {
4336de0c DSH	94	ERR_set_mark();
	95	l = ASN1_INTEGER_get(bs);
	96	ERR_pop_to_mark();
	97	} else {
	98	l = -1;
	99	}
	100	if (l != -1) {
244d7b28	101	unsigned long ul;
0f113f3e	102	if (bs->type == V_ASN1_NEG_INTEGER) {
244d7b28	103	ul = 0 - (unsigned long)l;
0f113f3e	104	neg = "-";
c4a60150	105	} else {
244d7b28	106	ul = l;
0f113f3e	107	neg = "";
c4a60150	108	}
244d7b28	109	if (BIO_printf(bp, " %s%lu (%s0x%lx)\n", neg, ul, neg, ul) <= 0)
0f113f3e MC	110	goto err;
	111	} else {
	112	neg = (bs->type == V_ASN1_NEG_INTEGER) ? " (Negative)" : "";
	113	if (BIO_printf(bp, "\n%12s%s", "", neg) <= 0)
	114	goto err;
	115
	116	for (i = 0; i < bs->length; i++) {
	117	if (BIO_printf(bp, "%02x%c", bs->data[i],
	118	((i + 1 == bs->length) ? '\n' : ':')) <= 0)
	119	goto err;
	120	}
	121	}
	122
	123	}
	124
	125	if (!(cflag & X509_FLAG_NO_SIGNAME)) {
8900f3e3	126	const X509_ALGOR *tsig_alg = X509_get0_tbs_sigalg(x);
e6cccb5f YL	127
	128	if (BIO_puts(bp, " ") <= 0)
	129	goto err;
699f1635	130	if (X509_signature_print(bp, tsig_alg, NULL) <= 0)
0f113f3e	131	goto err;
0f113f3e MC	132	}
	133
	134	if (!(cflag & X509_FLAG_NO_ISSUER)) {
	135	if (BIO_printf(bp, " Issuer:%c", mlch) <= 0)
	136	goto err;
	137	if (X509_NAME_print_ex(bp, X509_get_issuer_name(x), nmindent, nmflags)
02db7354	138	< printok)
0f113f3e MC	139	goto err;
	140	if (BIO_write(bp, "\n", 1) <= 0)
	141	goto err;
	142	}
	143	if (!(cflag & X509_FLAG_NO_VALIDITY)) {
	144	if (BIO_write(bp, " Validity\n", 17) <= 0)
	145	goto err;
	146	if (BIO_write(bp, " Not Before: ", 24) <= 0)
	147	goto err;
8c5bff22	148	if (ossl_asn1_time_print_ex(bp, X509_get0_notBefore(x), ASN1_DTFLGS_RFC822) == 0)
0f113f3e MC	149	goto err;
	150	if (BIO_write(bp, "\n Not After : ", 25) <= 0)
	151	goto err;
8c5bff22	152	if (ossl_asn1_time_print_ex(bp, X509_get0_notAfter(x), ASN1_DTFLGS_RFC822) == 0)
0f113f3e MC	153	goto err;
	154	if (BIO_write(bp, "\n", 1) <= 0)
	155	goto err;
	156	}
	157	if (!(cflag & X509_FLAG_NO_SUBJECT)) {
	158	if (BIO_printf(bp, " Subject:%c", mlch) <= 0)
	159	goto err;
	160	if (X509_NAME_print_ex
02db7354	161	(bp, X509_get_subject_name(x), nmindent, nmflags) < printok)
0f113f3e MC	162	goto err;
	163	if (BIO_write(bp, "\n", 1) <= 0)
	164	goto err;
	165	}
	166	if (!(cflag & X509_FLAG_NO_PUBKEY)) {
699f1635 DSH	167	X509_PUBKEY *xpkey = X509_get_X509_PUBKEY(x);
	168	ASN1_OBJECT *xpoid;
	169	X509_PUBKEY_get0_param(&xpoid, NULL, NULL, NULL, xpkey);
0f113f3e MC	170	if (BIO_write(bp, " Subject Public Key Info:\n", 33) <= 0)
	171	goto err;
	172	if (BIO_printf(bp, "%12sPublic Key Algorithm: ", "") <= 0)
	173	goto err;
699f1635	174	if (i2a_ASN1_OBJECT(bp, xpoid) <= 0)
0f113f3e MC	175	goto err;
	176	if (BIO_puts(bp, "\n") <= 0)
	177	goto err;
	178
c01ff880	179	pkey = X509_get0_pubkey(x);
0f113f3e MC	180	if (pkey == NULL) {
	181	BIO_printf(bp, "%12sUnable to load Public Key\n", "");
	182	ERR_print_errors(bp);
	183	} else {
	184	EVP_PKEY_print_public(bp, pkey, 16, NULL);
0f113f3e MC	185	}
	186	}
	187
	188	if (!(cflag & X509_FLAG_NO_IDS)) {
8900f3e3 DSH	189	const ASN1_BIT_STRING iuid, suid;
8900f3e3 DSH	190	X509_get0_uids(x, &iuid, &suid);
699f1635	191	if (iuid != NULL) {
0f113f3e MC	192	if (BIO_printf(bp, "%8sIssuer Unique ID: ", "") <= 0)
0f113f3e MC	193	goto err;
699f1635	194	if (!X509_signature_dump(bp, iuid, 12))
0f113f3e MC	195	goto err;
0f113f3e MC	196	}
699f1635	197	if (suid != NULL) {
0f113f3e MC	198	if (BIO_printf(bp, "%8sSubject Unique ID: ", "") <= 0)
0f113f3e MC	199	goto err;
699f1635	200	if (!X509_signature_dump(bp, suid, 12))
0f113f3e MC	201	goto err;
	202	}
	203	}
	204
076bf8c2 DDO	205	if (!(cflag & X509_FLAG_NO_EXTENSIONS)
	206	&& !X509V3_extensions_print(bp, "X509v3 extensions",
	207	X509_get0_extensions(x), cflag, 8))
	208	goto err;
0f113f3e MC	209
0f113f3e MC	210	if (!(cflag & X509_FLAG_NO_SIGDUMP)) {
8adc1cb8 DSH	211	const X509_ALGOR *sig_alg;
8adc1cb8 DSH	212	const ASN1_BIT_STRING *sig;
699f1635 DSH	213	X509_get0_signature(&sig, &sig_alg, x);
699f1635 DSH	214	if (X509_signature_print(bp, sig_alg, sig) <= 0)
0f113f3e MC	215	goto err;
	216	}
	217	if (!(cflag & X509_FLAG_NO_AUX)) {
699f1635	218	if (!X509_aux_print(bp, x, 0))
0f113f3e MC	219	goto err;
	220	}
	221	ret = 1;
	222	err:
26a7d938	223	return ret;
0f113f3e MC	224	}
	225
	226	int X509_ocspid_print(BIO bp, X509 x)
	227	{
	228	unsigned char *der = NULL;
	229	unsigned char *dertmp;
	230	int derlen;
	231	int i;
	232	unsigned char SHA1md[SHA_DIGEST_LENGTH];
699f1635	233	ASN1_BIT_STRING *keybstr;
8cc86b81	234	const X509_NAME *subj;
192d5008	235	EVP_MD *md = NULL;
0f113f3e	236
192d5008 P	237	if (x == NULL \|\| bp == NULL)
192d5008 P	238	return 0;
0f113f3e MC	239	/*
	240	* display the hash of the subject as it would appear in OCSP requests
	241	*/
	242	if (BIO_printf(bp, " Subject OCSP hash: ") <= 0)
	243	goto err;
699f1635 DSH	244	subj = X509_get_subject_name(x);
699f1635 DSH	245	derlen = i2d_X509_NAME(subj, NULL);
42e7d2f1 SL	246	if (derlen <= 0)
42e7d2f1 SL	247	goto err;
b196e7d9	248	if ((der = dertmp = OPENSSL_malloc(derlen)) == NULL)
0f113f3e	249	goto err;
699f1635	250	i2d_X509_NAME(subj, &dertmp);
0f113f3e	251
192d5008 P	252	md = EVP_MD_fetch(x->libctx, SN_sha1, x->propq);
	253	if (md == NULL)
	254	goto err;
	255	if (!EVP_Digest(der, derlen, SHA1md, NULL, md, NULL))
0f113f3e MC	256	goto err;
	257	for (i = 0; i < SHA_DIGEST_LENGTH; i++) {
	258	if (BIO_printf(bp, "%02X", SHA1md[i]) <= 0)
	259	goto err;
	260	}
	261	OPENSSL_free(der);
	262	der = NULL;
	263
	264	/*
	265	* display the hash of the public key as it would appear in OCSP requests
	266	*/
	267	if (BIO_printf(bp, "\n Public key OCSP hash: ") <= 0)
	268	goto err;
	269
699f1635 DSH	270	keybstr = X509_get0_pubkey_bitstr(x);
	271
	272	if (keybstr == NULL)
	273	goto err;
	274
17ebf85a	275	if (!EVP_Digest(ASN1_STRING_get0_data(keybstr),
192d5008	276	ASN1_STRING_length(keybstr), SHA1md, NULL, md, NULL))
0f113f3e MC	277	goto err;
	278	for (i = 0; i < SHA_DIGEST_LENGTH; i++) {
	279	if (BIO_printf(bp, "%02X", SHA1md[i]) <= 0)
	280	goto err;
	281	}
	282	BIO_printf(bp, "\n");
192d5008	283	EVP_MD_free(md);
0f113f3e	284
208fb891	285	return 1;
0f113f3e	286	err:
b548a1f1	287	OPENSSL_free(der);
192d5008	288	EVP_MD_free(md);
26a7d938	289	return 0;
0f113f3e	290	}
eb64730b	291
fa1ba589	292	int X509_signature_dump(BIO bp, const ASN1_STRING sig, int indent)
de487514	293	{
0f113f3e MC	294	const unsigned char *s;
	295	int i, n;
	296
	297	n = sig->length;
	298	s = sig->data;
	299	for (i = 0; i < n; i++) {
	300	if ((i % 18) == 0) {
a4c467c9	301	if (i > 0 && BIO_write(bp, "\n", 1) <= 0)
0f113f3e MC	302	return 0;
	303	if (BIO_indent(bp, indent, indent) <= 0)
	304	return 0;
	305	}
	306	if (BIO_printf(bp, "%02x%s", s[i], ((i + 1) == n) ? "" : ":") <= 0)
	307	return 0;
	308	}
	309	if (BIO_write(bp, "\n", 1) != 1)
	310	return 0;
	311
	312	return 1;
de487514 DSH	313	}
de487514 DSH	314
5e6089f0 MC	315	int X509_signature_print(BIO bp, const X509_ALGOR sigalg,
5e6089f0 MC	316	const ASN1_STRING *sig)
fa1ba589	317	{
0f113f3e	318	int sig_nid;
5743d126 DO	319	int indent = 4;
5743d126 DO	320	if (BIO_printf(bp, "%*sSignature Algorithm: ", indent, "") <= 0)
0f113f3e MC	321	return 0;
	322	if (i2a_ASN1_OBJECT(bp, sigalg->algorithm) <= 0)
	323	return 0;
	324
5743d126 DO	325	if (sig && BIO_printf(bp, "\n%*sSignature Value:", indent, "") <= 0)
5743d126 DO	326	return 0;
0f113f3e MC	327	sig_nid = OBJ_obj2nid(sigalg->algorithm);
	328	if (sig_nid != NID_undef) {
	329	int pkey_nid, dig_nid;
	330	const EVP_PKEY_ASN1_METHOD *ameth;
	331	if (OBJ_find_sigid_algs(sig_nid, &dig_nid, &pkey_nid)) {
	332	ameth = EVP_PKEY_asn1_find(NULL, pkey_nid);
	333	if (ameth && ameth->sig_print)
5743d126	334	return ameth->sig_print(bp, sigalg, sig, indent + 4, 0);
0f113f3e MC	335	}
0f113f3e MC	336	}
a4c467c9 DO	337	if (BIO_write(bp, "\n", 1) != 1)
a4c467c9 DO	338	return 0;
0f113f3e	339	if (sig)
5743d126	340	return X509_signature_dump(bp, sig, indent + 4);
0f113f3e	341	return 1;
fa1ba589	342	}
699f1635 DSH	343
	344	int X509_aux_print(BIO out, X509 x, int indent)
	345	{
	346	char oidstr[80], first;
	347	STACK_OF(ASN1_OBJECT) trust, reject;
	348	const unsigned char alias, keyid;
	349	int keyidlen;
	350	int i;
	351	if (X509_trusted(x) == 0)
	352	return 1;
	353	trust = X509_get0_trust_objects(x);
	354	reject = X509_get0_reject_objects(x);
	355	if (trust) {
	356	first = 1;
	357	BIO_printf(out, "%sTrusted Uses:\n%s", indent, "", indent + 2, "");
	358	for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++) {
	359	if (!first)
	360	BIO_puts(out, ", ");
	361	else
	362	first = 0;
cbe29648	363	OBJ_obj2txt(oidstr, sizeof(oidstr),
699f1635 DSH	364	sk_ASN1_OBJECT_value(trust, i), 0);
	365	BIO_puts(out, oidstr);
	366	}
	367	BIO_puts(out, "\n");
	368	} else
	369	BIO_printf(out, "%*sNo Trusted Uses.\n", indent, "");
	370	if (reject) {
	371	first = 1;
	372	BIO_printf(out, "%sRejected Uses:\n%s", indent, "", indent + 2, "");
	373	for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++) {
	374	if (!first)
	375	BIO_puts(out, ", ");
	376	else
	377	first = 0;
cbe29648	378	OBJ_obj2txt(oidstr, sizeof(oidstr),
699f1635 DSH	379	sk_ASN1_OBJECT_value(reject, i), 0);
	380	BIO_puts(out, oidstr);
	381	}
	382	BIO_puts(out, "\n");
	383	} else
	384	BIO_printf(out, "%*sNo Rejected Uses.\n", indent, "");
c5dc9ab9	385	alias = X509_alias_get0(x, &i);
699f1635	386	if (alias)
c5dc9ab9	387	BIO_printf(out, "%sAlias: %.s\n", indent, "", i, alias);
699f1635 DSH	388	keyid = X509_keyid_get0(x, &keyidlen);
	389	if (keyid) {
	390	BIO_printf(out, "%*sKey Id: ", indent, "");
	391	for (i = 0; i < keyidlen; i++)
	392	BIO_printf(out, "%s%02X", i ? ":" : "", keyid[i]);
	393	BIO_write(out, "\n", 1);
	394	}
	395	return 1;
	396	}
31b28ad9 DDO	397
	398	/*
	399	* Helper functions for improving certificate verification error diagnostics
	400	*/
	401
4669015d	402	int ossl_x509_print_ex_brief(BIO bio, X509 cert, unsigned long neg_cflags)
31b28ad9 DDO	403	{
	404	unsigned long flags = ASN1_STRFLGS_RFC2253 \| ASN1_STRFLGS_ESC_QUOTE \|
	405	XN_FLAG_SEP_CPLUS_SPC \| XN_FLAG_FN_SN;
	406
	407	if (cert == NULL)
	408	return BIO_printf(bio, " (no certificate)\n") > 0;
	409	if (BIO_printf(bio, " certificate\n") <= 0
	410	\|\| !X509_print_ex(bio, cert, flags, ~X509_FLAG_NO_SUBJECT))
	411	return 0;
	412	if (X509_check_issued((X509 *)cert, cert) == X509_V_OK) {
	413	if (BIO_printf(bio, " self-issued\n") <= 0)
	414	return 0;
	415	} else {
	416	if (BIO_printf(bio, " ") <= 0
	417	\|\| !X509_print_ex(bio, cert, flags, ~X509_FLAG_NO_ISSUER))
	418	return 0;
	419	}
	420	if (!X509_print_ex(bio, cert, flags,
	421	~(X509_FLAG_NO_SERIAL \| X509_FLAG_NO_VALIDITY)))
	422	return 0;
	423	if (X509_cmp_current_time(X509_get0_notBefore(cert)) > 0)
	424	if (BIO_printf(bio, " not yet valid\n") <= 0)
	425	return 0;
	426	if (X509_cmp_current_time(X509_get0_notAfter(cert)) < 0)
	427	if (BIO_printf(bio, " no more valid\n") <= 0)
	428	return 0;
076bf8c2 DDO	429	return X509_print_ex(bio, cert, flags,
076bf8c2 DDO	430	~neg_cflags & ~X509_FLAG_EXTENSIONS_ONLY_KID);
31b28ad9 DDO	431	}
	432
	433	static int print_certs(BIO bio, const STACK_OF(X509) certs)
	434	{
	435	int i;
	436
	437	if (certs == NULL \|\| sk_X509_num(certs) <= 0)
	438	return BIO_printf(bio, " (no certificates)\n") >= 0;
	439
	440	for (i = 0; i < sk_X509_num(certs); i++) {
	441	X509 *cert = sk_X509_value(certs, i);
076bf8c2 DDO	442
076bf8c2 DDO	443	if (cert != NULL) {
4669015d	444	if (!ossl_x509_print_ex_brief(bio, cert, 0))
076bf8c2 DDO	445	return 0;
	446	if (!X509V3_extensions_print(bio, NULL,
	447	X509_get0_extensions(cert),
	448	X509_FLAG_EXTENSIONS_ONLY_KID, 8))
	449	return 0;
	450	}
31b28ad9 DDO	451	}
	452	return 1;
	453	}
	454
	455	static int print_store_certs(BIO bio, X509_STORE store)
	456	{
	457	if (store != NULL) {
	458	STACK_OF(X509) *certs = X509_STORE_get1_all_certs(store);
	459	int ret = print_certs(bio, certs);
	460
79b2a2f2	461	OSSL_STACK_OF_X509_free(certs);
31b28ad9 DDO	462	return ret;
	463	} else {
	464	return BIO_printf(bio, " (no trusted store)\n") >= 0;
	465	}
	466	}
	467
	468	/* Extend the error queue with details on a failed cert verification */
	469	int X509_STORE_CTX_print_verify_cb(int ok, X509_STORE_CTX *ctx)
	470	{
	471	if (ok == 0 && ctx != NULL) {
	472	int cert_error = X509_STORE_CTX_get_error(ctx);
31b28ad9 DDO	473	BIO bio = BIO_new(BIO_s_mem()); / may be NULL */
31b28ad9 DDO	474
ecf60b9e	475	if (bio == NULL)
318e9799	476	return 0;
278260bf	477	BIO_printf(bio, "%s at depth = %d error = %d (%s)\n",
31b28ad9	478	X509_STORE_CTX_get0_parent_ctx(ctx) != NULL
278260bf DDO	479	? "CRL path validation"
	480	: "Certificate verification",
	481	X509_STORE_CTX_get_error_depth(ctx),
	482	cert_error, X509_verify_cert_error_string(cert_error));
	483	{
	484	X509_STORE *ts = X509_STORE_CTX_get0_store(ctx);
	485	X509_VERIFY_PARAM *vpm = X509_STORE_get0_param(ts);
	486	char *str;
	487	int idx = 0;
	488
	489	switch (cert_error) {
	490	case X509_V_ERR_HOSTNAME_MISMATCH:
	491	BIO_printf(bio, "Expected hostname(s) = ");
	492	while ((str = X509_VERIFY_PARAM_get0_host(vpm, idx++)) != NULL)
	493	BIO_printf(bio, "%s%s", idx == 1 ? "" : ", ", str);
	494	BIO_printf(bio, "\n");
	495	break;
	496	case X509_V_ERR_EMAIL_MISMATCH:
	497	str = X509_VERIFY_PARAM_get0_email(vpm);
	498	if (str != NULL)
	499	BIO_printf(bio, "Expected email address = %s\n", str);
	500	break;
	501	case X509_V_ERR_IP_ADDRESS_MISMATCH:
	502	str = X509_VERIFY_PARAM_get1_ip_asc(vpm);
	503	if (str != NULL)
	504	BIO_printf(bio, "Expected IP address = %s\n", str);
	505	OPENSSL_free(str);
	506	break;
	507	default:
	508	break;
	509	}
	510	}
	511
	512	BIO_printf(bio, "Failure for:\n");
4669015d SL	513	ossl_x509_print_ex_brief(bio, X509_STORE_CTX_get_current_cert(ctx),
4669015d SL	514	X509_FLAG_NO_EXTENSIONS);
31b28ad9 DDO	515	if (cert_error == X509_V_ERR_CERT_UNTRUSTED
	516	\|\| cert_error == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT
	517	\|\| cert_error == X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN
	518	\|\| cert_error == X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT
	519	\|\| cert_error == X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY
	520	\|\| cert_error == X509_V_ERR_UNABLE_TO_GET_CRL_ISSUER
	521	\|\| cert_error == X509_V_ERR_STORE_LOOKUP) {
278260bf	522	BIO_printf(bio, "Non-trusted certs:\n");
31b28ad9	523	print_certs(bio, X509_STORE_CTX_get0_untrusted(ctx));
278260bf	524	BIO_printf(bio, "Certs in trust store:\n");
31b28ad9 DDO	525	print_store_certs(bio, X509_STORE_CTX_get0_store(ctx));
31b28ad9 DDO	526	}
9311d0c4	527	ERR_raise(ERR_LIB_X509, X509_R_CERTIFICATE_VERIFICATION_FAILED);
31b28ad9 DDO	528	ERR_add_error_mem_bio("\n", bio);
	529	BIO_free(bio);
	530	}
	531
31b28ad9 DDO	532	return ok;
31b28ad9 DDO	533	}