/src/openssl/crypto/x509/t_x509.c

Source
/*
 * Copyright 1995-2025 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
 */

/*
 * because of EVP_PKEY_asn1_find deprecation
 */
#define OPENSSL_SUPPRESS_DEPRECATED

#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, const X509 *x)
{
    return X509_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
}

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

    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 (ossl_serial_number_print(bp, bs, 12) != 0)
            goto err;
        if (BIO_puts(bp, "\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, const 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;
    if (i2d_X509_NAME(subj, &dertmp) < 0)
        goto err;

    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)
{
#ifndef OPENSSL_NO_DEPRECATED_3_6
    int sig_nid;
#endif
    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;
#ifndef OPENSSL_NO_DEPRECATED_3_6
    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);
        }
    }
#endif
    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, const 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;
}

/*
 * Prints serial numbers in decimal and hexadecimal. The indent argument is only
 * used if the serial number is too large to fit in an int64_t.
 */
int ossl_serial_number_print(BIO *out, const ASN1_INTEGER *bs, int indent)
{
    int i, ok;
    int64_t l;
    uint64_t ul;
    const char *neg;

    if (bs->length == 0) {
        if (BIO_puts(out, " (Empty)") <= 0)
            return -1;
        return 0;
    }

    ERR_set_mark();
    ok = ASN1_INTEGER_get_int64(&l, bs);
    ERR_pop_to_mark();

    if (ok) { /* Reading an int64_t succeeded: print decimal and hex. */
        if (bs->type == V_ASN1_NEG_INTEGER) {
            ul = 0 - (uint64_t)l;
            neg = "-";
        } else {
            ul = l;
            neg = "";
        }
        if (BIO_printf(out, " %s%ju (%s0x%jx)", neg, ul, neg, ul) <= 0)
            return -1;
    } else { /* Reading an int64_t failed: just print hex. */
        neg = (bs->type == V_ASN1_NEG_INTEGER) ? " (Negative)" : "";
        if (BIO_printf(out, "\n%*s%s", indent, "", neg) <= 0)
            return -1;

        for (i = 0; i < bs->length - 1; i++) {
            if (BIO_printf(out, "%02x%c", bs->data[i], ':') <= 0)
                return -1;
        }
        if (BIO_printf(out, "%02x", bs->data[i]) <= 0)
            return -1;
    }
    return 0;
}

Coverage Report

Created: 2025-10-28 06:56

Line	Count	Source
1		/*
2		* Copyright 1995-2025 The OpenSSL Project Authors. All Rights Reserved.
3		*
4		* Licensed under the Apache License 2.0 (the "License"). You may not use
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
8		*/
9
10		/*
11		* because of EVP_PKEY_asn1_find deprecation
12		*/
13		#define OPENSSL_SUPPRESS_DEPRECATED
14
15		#include <stdio.h>
16		#include "internal/cryptlib.h"
17		#include <openssl/buffer.h>
18		#include <openssl/bn.h>
19		#include <openssl/objects.h>
20		#include <openssl/x509.h>
21		#include <openssl/x509v3.h>
22		#include "crypto/asn1.h"
23		#include "crypto/x509.h"
24
25		void OSSL_STACK_OF_X509_free(STACK_OF(X509) *certs)
26	0	{
27	0	sk_X509_pop_free(certs, X509_free);
28	0	}
29
30		#ifndef OPENSSL_NO_STDIO
31		int X509_print_fp(FILE fp, X509 x)
32	0	{
33	0	return X509_print_ex_fp(fp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
34	0	}
35
36		int X509_print_ex_fp(FILE fp, X509 x, unsigned long nmflag, unsigned long cflag)
37	0	{
38	0	BIO *b;
39	0	int ret;
40
41	0	if ((b = BIO_new(BIO_s_file())) == NULL) {
42	0	ERR_raise(ERR_LIB_X509, ERR_R_BUF_LIB);
43	0	return 0;
44	0	}
45	0	BIO_set_fp(b, fp, BIO_NOCLOSE);
46	0	ret = X509_print_ex(b, x, nmflag, cflag);
47	0	BIO_free(b);
48	0	return ret;
49	0	}
50		#endif
51
52		int X509_print(BIO bp, const X509 x)
53	0	{
54	0	return X509_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
55	0	}
56
57		int X509_print_ex(BIO bp, const X509 x, unsigned long nmflags, unsigned long cflag)
58	0	{
59	0	long l;
60	0	int ret = 0;
61	0	char mlch = ' ';
62	0	int nmindent = 0, printok = 0;
63	0	EVP_PKEY *pkey = NULL;
64
65	0	if ((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
66	0	mlch = '\n';
67	0	nmindent = 12;
68	0	}
69
70	0	if (nmflags == XN_FLAG_COMPAT)
71	0	printok = 1;
72
73	0	if (!(cflag & X509_FLAG_NO_HEADER)) {
74	0	if (BIO_write(bp, "Certificate:\n", 13) <= 0)
75	0	goto err;
76	0	if (BIO_write(bp, " Data:\n", 10) <= 0)
77	0	goto err;
78	0	}
79	0	if (!(cflag & X509_FLAG_NO_VERSION)) {
80	0	l = X509_get_version(x);
81	0	if (l >= X509_VERSION_1 && l <= X509_VERSION_3) {
82	0	if (BIO_printf(bp, "%8sVersion: %ld (0x%lx)\n", "", l + 1, (unsigned long)l) <= 0)
83	0	goto err;
84	0	} else {
85	0	if (BIO_printf(bp, "%8sVersion: Unknown (%ld)\n", "", l) <= 0)
86	0	goto err;
87	0	}
88	0	}
89	0	if (!(cflag & X509_FLAG_NO_SERIAL)) {
90	0	const ASN1_INTEGER *bs = X509_get0_serialNumber(x);
91
92	0	if (BIO_write(bp, " Serial Number:", 22) <= 0)
93	0	goto err;
94	0	if (ossl_serial_number_print(bp, bs, 12) != 0)
95	0	goto err;
96	0	if (BIO_puts(bp, "\n") <= 0)
97	0	goto err;
98	0	}
99
100	0	if (!(cflag & X509_FLAG_NO_SIGNAME)) {
101	0	const X509_ALGOR *tsig_alg = X509_get0_tbs_sigalg(x);
102
103	0	if (BIO_puts(bp, " ") <= 0)
104	0	goto err;
105	0	if (X509_signature_print(bp, tsig_alg, NULL) <= 0)
106	0	goto err;
107	0	}
108
109	0	if (!(cflag & X509_FLAG_NO_ISSUER)) {
110	0	if (BIO_printf(bp, " Issuer:%c", mlch) <= 0)
111	0	goto err;
112	0	if (X509_NAME_print_ex(bp, X509_get_issuer_name(x), nmindent, nmflags)
113	0	< printok)
114	0	goto err;
115	0	if (BIO_write(bp, "\n", 1) <= 0)
116	0	goto err;
117	0	}
118	0	if (!(cflag & X509_FLAG_NO_VALIDITY)) {
119	0	if (BIO_write(bp, " Validity\n", 17) <= 0)
120	0	goto err;
121	0	if (BIO_write(bp, " Not Before: ", 24) <= 0)
122	0	goto err;
123	0	if (ossl_asn1_time_print_ex(bp, X509_get0_notBefore(x), ASN1_DTFLGS_RFC822) == 0)
124	0	goto err;
125	0	if (BIO_write(bp, "\n Not After : ", 25) <= 0)
126	0	goto err;
127	0	if (ossl_asn1_time_print_ex(bp, X509_get0_notAfter(x), ASN1_DTFLGS_RFC822) == 0)
128	0	goto err;
129	0	if (BIO_write(bp, "\n", 1) <= 0)
130	0	goto err;
131	0	}
132	0	if (!(cflag & X509_FLAG_NO_SUBJECT)) {
133	0	if (BIO_printf(bp, " Subject:%c", mlch) <= 0)
134	0	goto err;
135	0	if (X509_NAME_print_ex
136	0	(bp, X509_get_subject_name(x), nmindent, nmflags) < printok)
137	0	goto err;
138	0	if (BIO_write(bp, "\n", 1) <= 0)
139	0	goto err;
140	0	}
141	0	if (!(cflag & X509_FLAG_NO_PUBKEY)) {
142	0	X509_PUBKEY *xpkey = X509_get_X509_PUBKEY(x);
143	0	ASN1_OBJECT *xpoid;
144	0	X509_PUBKEY_get0_param(&xpoid, NULL, NULL, NULL, xpkey);
145	0	if (BIO_write(bp, " Subject Public Key Info:\n", 33) <= 0)
146	0	goto err;
147	0	if (BIO_printf(bp, "%12sPublic Key Algorithm: ", "") <= 0)
148	0	goto err;
149	0	if (i2a_ASN1_OBJECT(bp, xpoid) <= 0)
150	0	goto err;
151	0	if (BIO_puts(bp, "\n") <= 0)
152	0	goto err;
153
154	0	pkey = X509_get0_pubkey(x);
155	0	if (pkey == NULL) {
156	0	BIO_printf(bp, "%12sUnable to load Public Key\n", "");
157	0	ERR_print_errors(bp);
158	0	} else {
159	0	EVP_PKEY_print_public(bp, pkey, 16, NULL);
160	0	}
161	0	}
162
163	0	if (!(cflag & X509_FLAG_NO_IDS)) {
164	0	const ASN1_BIT_STRING iuid, suid;
165	0	X509_get0_uids(x, &iuid, &suid);
166	0	if (iuid != NULL) {
167	0	if (BIO_printf(bp, "%8sIssuer Unique ID: ", "") <= 0)
168	0	goto err;
169	0	if (!X509_signature_dump(bp, iuid, 12))
170	0	goto err;
171	0	}
172	0	if (suid != NULL) {
173	0	if (BIO_printf(bp, "%8sSubject Unique ID: ", "") <= 0)
174	0	goto err;
175	0	if (!X509_signature_dump(bp, suid, 12))
176	0	goto err;
177	0	}
178	0	}
179
180	0	if (!(cflag & X509_FLAG_NO_EXTENSIONS)
181	0	&& !X509V3_extensions_print(bp, "X509v3 extensions",
182	0	X509_get0_extensions(x), cflag, 8))
183	0	goto err;
184
185	0	if (!(cflag & X509_FLAG_NO_SIGDUMP)) {
186	0	const X509_ALGOR *sig_alg;
187	0	const ASN1_BIT_STRING *sig;
188	0	X509_get0_signature(&sig, &sig_alg, x);
189	0	if (X509_signature_print(bp, sig_alg, sig) <= 0)
190	0	goto err;
191	0	}
192	0	if (!(cflag & X509_FLAG_NO_AUX)) {
193	0	if (!X509_aux_print(bp, x, 0))
194	0	goto err;
195	0	}
196	0	ret = 1;
197	0	err:
198	0	return ret;
199	0	}
200
201		int X509_ocspid_print(BIO bp, const X509 x)
202	0	{
203	0	unsigned char *der = NULL;
204	0	unsigned char *dertmp;
205	0	int derlen;
206	0	int i;
207	0	unsigned char SHA1md[SHA_DIGEST_LENGTH];
208	0	ASN1_BIT_STRING *keybstr;
209	0	const X509_NAME *subj;
210	0	EVP_MD *md = NULL;
211
212	0	if (x == NULL \|\| bp == NULL)
213	0	return 0;
214		/*
215		* display the hash of the subject as it would appear in OCSP requests
216		*/
217	0	if (BIO_printf(bp, " Subject OCSP hash: ") <= 0)
218	0	goto err;
219	0	subj = X509_get_subject_name(x);
220	0	derlen = i2d_X509_NAME(subj, NULL);
221	0	if (derlen <= 0)
222	0	goto err;
223	0	if ((der = dertmp = OPENSSL_malloc(derlen)) == NULL)
224	0	goto err;
225	0	if (i2d_X509_NAME(subj, &dertmp) < 0)
226	0	goto err;
227
228	0	md = EVP_MD_fetch(x->libctx, SN_sha1, x->propq);
229	0	if (md == NULL)
230	0	goto err;
231	0	if (!EVP_Digest(der, derlen, SHA1md, NULL, md, NULL))
232	0	goto err;
233	0	for (i = 0; i < SHA_DIGEST_LENGTH; i++) {
234	0	if (BIO_printf(bp, "%02X", SHA1md[i]) <= 0)
235	0	goto err;
236	0	}
237	0	OPENSSL_free(der);
238	0	der = NULL;
239
240		/*
241		* display the hash of the public key as it would appear in OCSP requests
242		*/
243	0	if (BIO_printf(bp, "\n Public key OCSP hash: ") <= 0)
244	0	goto err;
245
246	0	keybstr = X509_get0_pubkey_bitstr(x);
247
248	0	if (keybstr == NULL)
249	0	goto err;
250
251	0	if (!EVP_Digest(ASN1_STRING_get0_data(keybstr),
252	0	ASN1_STRING_length(keybstr), SHA1md, NULL, md, NULL))
253	0	goto err;
254	0	for (i = 0; i < SHA_DIGEST_LENGTH; i++) {
255	0	if (BIO_printf(bp, "%02X", SHA1md[i]) <= 0)
256	0	goto err;
257	0	}
258	0	BIO_printf(bp, "\n");
259	0	EVP_MD_free(md);
260
261	0	return 1;
262	0	err:
263	0	OPENSSL_free(der);
264	0	EVP_MD_free(md);
265	0	return 0;
266	0	}
267
268		int X509_signature_dump(BIO bp, const ASN1_STRING sig, int indent)
269	0	{
270	0	const unsigned char *s;
271	0	int i, n;
272
273	0	n = sig->length;
274	0	s = sig->data;
275	0	for (i = 0; i < n; i++) {
276	0	if ((i % 18) == 0) {
277	0	if (i > 0 && BIO_write(bp, "\n", 1) <= 0)
278	0	return 0;
279	0	if (BIO_indent(bp, indent, indent) <= 0)
280	0	return 0;
281	0	}
282	0	if (BIO_printf(bp, "%02x%s", s[i], ((i + 1) == n) ? "" : ":") <= 0)
283	0	return 0;
284	0	}
285	0	if (BIO_write(bp, "\n", 1) != 1)
286	0	return 0;
287
288	0	return 1;
289	0	}
290
291		int X509_signature_print(BIO bp, const X509_ALGOR sigalg,
292		const ASN1_STRING *sig)
293	0	{
294	0	#ifndef OPENSSL_NO_DEPRECATED_3_6
295	0	int sig_nid;
296	0	#endif
297	0	int indent = 4;
298	0	if (BIO_printf(bp, "%*sSignature Algorithm: ", indent, "") <= 0)
299	0	return 0;
300	0	if (i2a_ASN1_OBJECT(bp, sigalg->algorithm) <= 0)
301	0	return 0;
302
303	0	if (sig && BIO_printf(bp, "\n%*sSignature Value:", indent, "") <= 0)
304	0	return 0;
305	0	#ifndef OPENSSL_NO_DEPRECATED_3_6
306	0	sig_nid = OBJ_obj2nid(sigalg->algorithm);
307	0	if (sig_nid != NID_undef) {
308	0	int pkey_nid, dig_nid;
309	0	const EVP_PKEY_ASN1_METHOD *ameth;
310	0	if (OBJ_find_sigid_algs(sig_nid, &dig_nid, &pkey_nid)) {
311	0	ameth = EVP_PKEY_asn1_find(NULL, pkey_nid);
312	0	if (ameth && ameth->sig_print)
313	0	return ameth->sig_print(bp, sigalg, sig, indent + 4, 0);
314	0	}
315	0	}
316	0	#endif
317	0	if (BIO_write(bp, "\n", 1) != 1)
318	0	return 0;
319	0	if (sig)
320	0	return X509_signature_dump(bp, sig, indent + 4);
321	0	return 1;
322	0	}
323
324		int X509_aux_print(BIO out, const X509 x, int indent)
325	0	{
326	0	char oidstr[80], first;
327	0	STACK_OF(ASN1_OBJECT) trust, reject;
328	0	const unsigned char alias, keyid;
329	0	int keyidlen;
330	0	int i;
331	0	if (X509_trusted(x) == 0)
332	0	return 1;
333	0	trust = X509_get0_trust_objects(x);
334	0	reject = X509_get0_reject_objects(x);
335	0	if (trust) {
336	0	first = 1;
337	0	BIO_printf(out, "%sTrusted Uses:\n%s", indent, "", indent + 2, "");
338	0	for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++) {
339	0	if (!first)
340	0	BIO_puts(out, ", ");
341	0	else
342	0	first = 0;
343	0	OBJ_obj2txt(oidstr, sizeof(oidstr),
344	0	sk_ASN1_OBJECT_value(trust, i), 0);
345	0	BIO_puts(out, oidstr);
346	0	}
347	0	BIO_puts(out, "\n");
348	0	} else
349	0	BIO_printf(out, "%*sNo Trusted Uses.\n", indent, "");
350	0	if (reject) {
351	0	first = 1;
352	0	BIO_printf(out, "%sRejected Uses:\n%s", indent, "", indent + 2, "");
353	0	for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++) {
354	0	if (!first)
355	0	BIO_puts(out, ", ");
356	0	else
357	0	first = 0;
358	0	OBJ_obj2txt(oidstr, sizeof(oidstr),
359	0	sk_ASN1_OBJECT_value(reject, i), 0);
360	0	BIO_puts(out, oidstr);
361	0	}
362	0	BIO_puts(out, "\n");
363	0	} else
364	0	BIO_printf(out, "%*sNo Rejected Uses.\n", indent, "");
365	0	alias = X509_alias_get0(x, &i);
366	0	if (alias)
367	0	BIO_printf(out, "%sAlias: %.s\n", indent, "", i, alias);
368	0	keyid = X509_keyid_get0(x, &keyidlen);
369	0	if (keyid) {
370	0	BIO_printf(out, "%*sKey Id: ", indent, "");
371	0	for (i = 0; i < keyidlen; i++)
372	0	BIO_printf(out, "%s%02X", i ? ":" : "", keyid[i]);
373	0	BIO_write(out, "\n", 1);
374	0	}
375	0	return 1;
376	0	}
377
378		/*
379		* Helper functions for improving certificate verification error diagnostics
380		*/
381
382		int ossl_x509_print_ex_brief(BIO bio, X509 cert, unsigned long neg_cflags)
383	0	{
384	0	unsigned long flags = ASN1_STRFLGS_RFC2253 \| ASN1_STRFLGS_ESC_QUOTE \|
385	0	XN_FLAG_SEP_CPLUS_SPC \| XN_FLAG_FN_SN;
386
387	0	if (cert == NULL)
388	0	return BIO_printf(bio, " (no certificate)\n") > 0;
389	0	if (BIO_printf(bio, " certificate\n") <= 0
390	0	\|\| !X509_print_ex(bio, cert, flags, ~X509_FLAG_NO_SUBJECT))
391	0	return 0;
392	0	if (X509_check_issued((X509 *)cert, cert) == X509_V_OK) {
393	0	if (BIO_printf(bio, " self-issued\n") <= 0)
394	0	return 0;
395	0	} else {
396	0	if (BIO_printf(bio, " ") <= 0
397	0	\|\| !X509_print_ex(bio, cert, flags, ~X509_FLAG_NO_ISSUER))
398	0	return 0;
399	0	}
400	0	if (!X509_print_ex(bio, cert, flags,
401	0	~(X509_FLAG_NO_SERIAL \| X509_FLAG_NO_VALIDITY)))
402	0	return 0;
403	0	if (X509_cmp_current_time(X509_get0_notBefore(cert)) > 0)
404	0	if (BIO_printf(bio, " not yet valid\n") <= 0)
405	0	return 0;
406	0	if (X509_cmp_current_time(X509_get0_notAfter(cert)) < 0)
407	0	if (BIO_printf(bio, " no more valid\n") <= 0)
408	0	return 0;
409	0	return X509_print_ex(bio, cert, flags,
410	0	~neg_cflags & ~X509_FLAG_EXTENSIONS_ONLY_KID);
411	0	}
412
413		static int print_certs(BIO bio, const STACK_OF(X509) certs)
414	0	{
415	0	int i;
416
417	0	if (certs == NULL \|\| sk_X509_num(certs) <= 0)
418	0	return BIO_printf(bio, " (no certificates)\n") >= 0;
419
420	0	for (i = 0; i < sk_X509_num(certs); i++) {
421	0	X509 *cert = sk_X509_value(certs, i);
422
423	0	if (cert != NULL) {
424	0	if (!ossl_x509_print_ex_brief(bio, cert, 0))
425	0	return 0;
426	0	if (!X509V3_extensions_print(bio, NULL,
427	0	X509_get0_extensions(cert),
428	0	X509_FLAG_EXTENSIONS_ONLY_KID, 8))
429	0	return 0;
430	0	}
431	0	}
432	0	return 1;
433	0	}
434
435		static int print_store_certs(BIO bio, X509_STORE store)
436	0	{
437	0	if (store != NULL) {
438	0	STACK_OF(X509) *certs = X509_STORE_get1_all_certs(store);
439	0	int ret = print_certs(bio, certs);
440
441	0	OSSL_STACK_OF_X509_free(certs);
442	0	return ret;
443	0	} else {
444	0	return BIO_printf(bio, " (no trusted store)\n") >= 0;
445	0	}
446	0	}
447
448		/* Extend the error queue with details on a failed cert verification */
449		int X509_STORE_CTX_print_verify_cb(int ok, X509_STORE_CTX *ctx)
450	0	{
451	0	if (ok == 0 && ctx != NULL) {
452	0	int cert_error = X509_STORE_CTX_get_error(ctx);
453	0	BIO bio = BIO_new(BIO_s_mem()); / may be NULL */
454
455	0	if (bio == NULL)
456	0	return 0;
457	0	BIO_printf(bio, "%s at depth = %d error = %d (%s)\n",
458	0	X509_STORE_CTX_get0_parent_ctx(ctx) != NULL
459	0	? "CRL path validation"
460	0	: "Certificate verification",
461	0	X509_STORE_CTX_get_error_depth(ctx),
462	0	cert_error, X509_verify_cert_error_string(cert_error));
463	0	{
464	0	X509_STORE *ts = X509_STORE_CTX_get0_store(ctx);
465	0	X509_VERIFY_PARAM *vpm = X509_STORE_get0_param(ts);
466	0	char *str;
467	0	int idx = 0;
468
469	0	switch (cert_error) {
470	0	case X509_V_ERR_HOSTNAME_MISMATCH:
471	0	BIO_printf(bio, "Expected hostname(s) = ");
472	0	while ((str = X509_VERIFY_PARAM_get0_host(vpm, idx++)) != NULL)
473	0	BIO_printf(bio, "%s%s", idx == 1 ? "" : ", ", str);
474	0	BIO_printf(bio, "\n");
475	0	break;
476	0	case X509_V_ERR_EMAIL_MISMATCH:
477	0	str = X509_VERIFY_PARAM_get0_email(vpm);
478	0	if (str != NULL)
479	0	BIO_printf(bio, "Expected email address = %s\n", str);
480	0	break;
481	0	case X509_V_ERR_IP_ADDRESS_MISMATCH:
482	0	str = X509_VERIFY_PARAM_get1_ip_asc(vpm);
483	0	if (str != NULL)
484	0	BIO_printf(bio, "Expected IP address = %s\n", str);
485	0	OPENSSL_free(str);
486	0	break;
487	0	default:
488	0	break;
489	0	}
490	0	}
491
492	0	BIO_printf(bio, "Failure for:\n");
493	0	ossl_x509_print_ex_brief(bio, X509_STORE_CTX_get_current_cert(ctx),
494	0	X509_FLAG_NO_EXTENSIONS);
495	0	if (cert_error == X509_V_ERR_CERT_UNTRUSTED
496	0	\|\| cert_error == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT
497	0	\|\| cert_error == X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN
498	0	\|\| cert_error == X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT
499	0	\|\| cert_error == X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY
500	0	\|\| cert_error == X509_V_ERR_UNABLE_TO_GET_CRL_ISSUER
501	0	\|\| cert_error == X509_V_ERR_STORE_LOOKUP) {
502	0	BIO_printf(bio, "Non-trusted certs:\n");
503	0	print_certs(bio, X509_STORE_CTX_get0_untrusted(ctx));
504	0	BIO_printf(bio, "Certs in trust store:\n");
505	0	print_store_certs(bio, X509_STORE_CTX_get0_store(ctx));
506	0	}
507	0	ERR_raise(ERR_LIB_X509, X509_R_CERTIFICATE_VERIFICATION_FAILED);
508	0	ERR_add_error_mem_bio("\n", bio);
509	0	BIO_free(bio);
510	0	}
511
512	0	return ok;
513	0	}
514
515		/*
516		* Prints serial numbers in decimal and hexadecimal. The indent argument is only
517		* used if the serial number is too large to fit in an int64_t.
518		*/
519		int ossl_serial_number_print(BIO out, const ASN1_INTEGER bs, int indent)
520	0	{
521	0	int i, ok;
522	0	int64_t l;
523	0	uint64_t ul;
524	0	const char *neg;
525
526	0	if (bs->length == 0) {
527	0	if (BIO_puts(out, " (Empty)") <= 0)
528	0	return -1;
529	0	return 0;
530	0	}
531
532	0	ERR_set_mark();
533	0	ok = ASN1_INTEGER_get_int64(&l, bs);
534	0	ERR_pop_to_mark();
535
536	0	if (ok) { /* Reading an int64_t succeeded: print decimal and hex. */
537	0	if (bs->type == V_ASN1_NEG_INTEGER) {
538	0	ul = 0 - (uint64_t)l;
539	0	neg = "-";
540	0	} else {
541	0	ul = l;
542	0	neg = "";
543	0	}
544	0	if (BIO_printf(out, " %s%ju (%s0x%jx)", neg, ul, neg, ul) <= 0)
545	0	return -1;
546	0	} else { /* Reading an int64_t failed: just print hex. */
547	0	neg = (bs->type == V_ASN1_NEG_INTEGER) ? " (Negative)" : "";
548	0	if (BIO_printf(out, "\n%*s%s", indent, "", neg) <= 0)
549	0	return -1;
550
551	0	for (i = 0; i < bs->length - 1; i++) {
552	0	if (BIO_printf(out, "%02x%c", bs->data[i], ':') <= 0)
553	0	return -1;
554	0	}
555	0	if (BIO_printf(out, "%02x", bs->data[i]) <= 0)
556	0	return -1;
557	0	}
558	0	return 0;
559	0	}