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

Source (jump to first uncovered line)
/*
 * 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, 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;
    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, 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)
{
#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, 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: 2025-07-23 06:08

Line	Count	Source (jump to first uncovered line)
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,
37		unsigned long cflag)
38	0	{
39	0	BIO *b;
40	0	int ret;
41
42	0	if ((b = BIO_new(BIO_s_file())) == NULL) {
43	0	ERR_raise(ERR_LIB_X509, ERR_R_BUF_LIB);
44	0	return 0;
45	0	}
46	0	BIO_set_fp(b, fp, BIO_NOCLOSE);
47	0	ret = X509_print_ex(b, x, nmflag, cflag);
48	0	BIO_free(b);
49	0	return ret;
50	0	}
51		#endif
52
53		int X509_print(BIO bp, X509 x)
54	0	{
55	0	return X509_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
56	0	}
57
58		int X509_print_ex(BIO bp, X509 x, unsigned long nmflags,
59		unsigned long cflag)
60	0	{
61	0	long l;
62	0	int ret = 0;
63	0	char mlch = ' ';
64	0	int nmindent = 0, printok = 0;
65	0	EVP_PKEY *pkey = NULL;
66
67	0	if ((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
68	0	mlch = '\n';
69	0	nmindent = 12;
70	0	}
71
72	0	if (nmflags == XN_FLAG_COMPAT)
73	0	printok = 1;
74
75	0	if (!(cflag & X509_FLAG_NO_HEADER)) {
76	0	if (BIO_write(bp, "Certificate:\n", 13) <= 0)
77	0	goto err;
78	0	if (BIO_write(bp, " Data:\n", 10) <= 0)
79	0	goto err;
80	0	}
81	0	if (!(cflag & X509_FLAG_NO_VERSION)) {
82	0	l = X509_get_version(x);
83	0	if (l >= X509_VERSION_1 && l <= X509_VERSION_3) {
84	0	if (BIO_printf(bp, "%8sVersion: %ld (0x%lx)\n", "", l + 1, (unsigned long)l) <= 0)
85	0	goto err;
86	0	} else {
87	0	if (BIO_printf(bp, "%8sVersion: Unknown (%ld)\n", "", l) <= 0)
88	0	goto err;
89	0	}
90	0	}
91	0	if (!(cflag & X509_FLAG_NO_SERIAL)) {
92	0	const ASN1_INTEGER *bs = X509_get0_serialNumber(x);
93
94	0	if (BIO_write(bp, " Serial Number:", 22) <= 0)
95	0	goto err;
96	0	if (ossl_serial_number_print(bp, bs, 12) != 0)
97	0	goto err;
98	0	if (BIO_puts(bp, "\n") <= 0)
99	0	goto err;
100	0	}
101
102	0	if (!(cflag & X509_FLAG_NO_SIGNAME)) {
103	0	const X509_ALGOR *tsig_alg = X509_get0_tbs_sigalg(x);
104
105	0	if (BIO_puts(bp, " ") <= 0)
106	0	goto err;
107	0	if (X509_signature_print(bp, tsig_alg, NULL) <= 0)
108	0	goto err;
109	0	}
110
111	0	if (!(cflag & X509_FLAG_NO_ISSUER)) {
112	0	if (BIO_printf(bp, " Issuer:%c", mlch) <= 0)
113	0	goto err;
114	0	if (X509_NAME_print_ex(bp, X509_get_issuer_name(x), nmindent, nmflags)
115	0	< printok)
116	0	goto err;
117	0	if (BIO_write(bp, "\n", 1) <= 0)
118	0	goto err;
119	0	}
120	0	if (!(cflag & X509_FLAG_NO_VALIDITY)) {
121	0	if (BIO_write(bp, " Validity\n", 17) <= 0)
122	0	goto err;
123	0	if (BIO_write(bp, " Not Before: ", 24) <= 0)
124	0	goto err;
125	0	if (ossl_asn1_time_print_ex(bp, X509_get0_notBefore(x), ASN1_DTFLGS_RFC822) == 0)
126	0	goto err;
127	0	if (BIO_write(bp, "\n Not After : ", 25) <= 0)
128	0	goto err;
129	0	if (ossl_asn1_time_print_ex(bp, X509_get0_notAfter(x), ASN1_DTFLGS_RFC822) == 0)
130	0	goto err;
131	0	if (BIO_write(bp, "\n", 1) <= 0)
132	0	goto err;
133	0	}
134	0	if (!(cflag & X509_FLAG_NO_SUBJECT)) {
135	0	if (BIO_printf(bp, " Subject:%c", mlch) <= 0)
136	0	goto err;
137	0	if (X509_NAME_print_ex
138	0	(bp, X509_get_subject_name(x), nmindent, nmflags) < printok)
139	0	goto err;
140	0	if (BIO_write(bp, "\n", 1) <= 0)
141	0	goto err;
142	0	}
143	0	if (!(cflag & X509_FLAG_NO_PUBKEY)) {
144	0	X509_PUBKEY *xpkey = X509_get_X509_PUBKEY(x);
145	0	ASN1_OBJECT *xpoid;
146	0	X509_PUBKEY_get0_param(&xpoid, NULL, NULL, NULL, xpkey);
147	0	if (BIO_write(bp, " Subject Public Key Info:\n", 33) <= 0)
148	0	goto err;
149	0	if (BIO_printf(bp, "%12sPublic Key Algorithm: ", "") <= 0)
150	0	goto err;
151	0	if (i2a_ASN1_OBJECT(bp, xpoid) <= 0)
152	0	goto err;
153	0	if (BIO_puts(bp, "\n") <= 0)
154	0	goto err;
155
156	0	pkey = X509_get0_pubkey(x);
157	0	if (pkey == NULL) {
158	0	BIO_printf(bp, "%12sUnable to load Public Key\n", "");
159	0	ERR_print_errors(bp);
160	0	} else {
161	0	EVP_PKEY_print_public(bp, pkey, 16, NULL);
162	0	}
163	0	}
164
165	0	if (!(cflag & X509_FLAG_NO_IDS)) {
166	0	const ASN1_BIT_STRING iuid, suid;
167	0	X509_get0_uids(x, &iuid, &suid);
168	0	if (iuid != NULL) {
169	0	if (BIO_printf(bp, "%8sIssuer Unique ID: ", "") <= 0)
170	0	goto err;
171	0	if (!X509_signature_dump(bp, iuid, 12))
172	0	goto err;
173	0	}
174	0	if (suid != NULL) {
175	0	if (BIO_printf(bp, "%8sSubject Unique ID: ", "") <= 0)
176	0	goto err;
177	0	if (!X509_signature_dump(bp, suid, 12))
178	0	goto err;
179	0	}
180	0	}
181
182	0	if (!(cflag & X509_FLAG_NO_EXTENSIONS)
183	0	&& !X509V3_extensions_print(bp, "X509v3 extensions",
184	0	X509_get0_extensions(x), cflag, 8))
185	0	goto err;
186
187	0	if (!(cflag & X509_FLAG_NO_SIGDUMP)) {
188	0	const X509_ALGOR *sig_alg;
189	0	const ASN1_BIT_STRING *sig;
190	0	X509_get0_signature(&sig, &sig_alg, x);
191	0	if (X509_signature_print(bp, sig_alg, sig) <= 0)
192	0	goto err;
193	0	}
194	0	if (!(cflag & X509_FLAG_NO_AUX)) {
195	0	if (!X509_aux_print(bp, x, 0))
196	0	goto err;
197	0	}
198	0	ret = 1;
199	0	err:
200	0	return ret;
201	0	}
202
203		int X509_ocspid_print(BIO bp, X509 x)
204	0	{
205	0	unsigned char *der = NULL;
206	0	unsigned char *dertmp;
207	0	int derlen;
208	0	int i;
209	0	unsigned char SHA1md[SHA_DIGEST_LENGTH];
210	0	ASN1_BIT_STRING *keybstr;
211	0	const X509_NAME *subj;
212	0	EVP_MD *md = NULL;
213
214	0	if (x == NULL \|\| bp == NULL)
215	0	return 0;
216		/*
217		* display the hash of the subject as it would appear in OCSP requests
218		*/
219	0	if (BIO_printf(bp, " Subject OCSP hash: ") <= 0)
220	0	goto err;
221	0	subj = X509_get_subject_name(x);
222	0	derlen = i2d_X509_NAME(subj, NULL);
223	0	if (derlen <= 0)
224	0	goto err;
225	0	if ((der = dertmp = OPENSSL_malloc(derlen)) == NULL)
226	0	goto err;
227	0	i2d_X509_NAME(subj, &dertmp);
228
229	0	md = EVP_MD_fetch(x->libctx, SN_sha1, x->propq);
230	0	if (md == NULL)
231	0	goto err;
232	0	if (!EVP_Digest(der, derlen, SHA1md, NULL, md, NULL))
233	0	goto err;
234	0	for (i = 0; i < SHA_DIGEST_LENGTH; i++) {
235	0	if (BIO_printf(bp, "%02X", SHA1md[i]) <= 0)
236	0	goto err;
237	0	}
238	0	OPENSSL_free(der);
239	0	der = NULL;
240
241		/*
242		* display the hash of the public key as it would appear in OCSP requests
243		*/
244	0	if (BIO_printf(bp, "\n Public key OCSP hash: ") <= 0)
245	0	goto err;
246
247	0	keybstr = X509_get0_pubkey_bitstr(x);
248
249	0	if (keybstr == NULL)
250	0	goto err;
251
252	0	if (!EVP_Digest(ASN1_STRING_get0_data(keybstr),
253	0	ASN1_STRING_length(keybstr), SHA1md, NULL, md, NULL))
254	0	goto err;
255	0	for (i = 0; i < SHA_DIGEST_LENGTH; i++) {
256	0	if (BIO_printf(bp, "%02X", SHA1md[i]) <= 0)
257	0	goto err;
258	0	}
259	0	BIO_printf(bp, "\n");
260	0	EVP_MD_free(md);
261
262	0	return 1;
263	0	err:
264	0	OPENSSL_free(der);
265	0	EVP_MD_free(md);
266	0	return 0;
267	0	}
268
269		int X509_signature_dump(BIO bp, const ASN1_STRING sig, int indent)
270	0	{
271	0	const unsigned char *s;
272	0	int i, n;
273
274	0	n = sig->length;
275	0	s = sig->data;
276	0	for (i = 0; i < n; i++) {
277	0	if ((i % 18) == 0) {
278	0	if (i > 0 && BIO_write(bp, "\n", 1) <= 0)
279	0	return 0;
280	0	if (BIO_indent(bp, indent, indent) <= 0)
281	0	return 0;
282	0	}
283	0	if (BIO_printf(bp, "%02x%s", s[i], ((i + 1) == n) ? "" : ":") <= 0)
284	0	return 0;
285	0	}
286	0	if (BIO_write(bp, "\n", 1) != 1)
287	0	return 0;
288
289	0	return 1;
290	0	}
291
292		int X509_signature_print(BIO bp, const X509_ALGOR sigalg,
293		const ASN1_STRING *sig)
294	0	{
295	0	#ifndef OPENSSL_NO_DEPRECATED_3_6
296	0	int sig_nid;
297	0	#endif
298	0	int indent = 4;
299	0	if (BIO_printf(bp, "%*sSignature Algorithm: ", indent, "") <= 0)
300	0	return 0;
301	0	if (i2a_ASN1_OBJECT(bp, sigalg->algorithm) <= 0)
302	0	return 0;
303
304	0	if (sig && BIO_printf(bp, "\n%*sSignature Value:", indent, "") <= 0)
305	0	return 0;
306	0	#ifndef OPENSSL_NO_DEPRECATED_3_6
307	0	sig_nid = OBJ_obj2nid(sigalg->algorithm);
308	0	if (sig_nid != NID_undef) {
309	0	int pkey_nid, dig_nid;
310	0	const EVP_PKEY_ASN1_METHOD *ameth;
311	0	if (OBJ_find_sigid_algs(sig_nid, &dig_nid, &pkey_nid)) {
312	0	ameth = EVP_PKEY_asn1_find(NULL, pkey_nid);
313	0	if (ameth && ameth->sig_print)
314	0	return ameth->sig_print(bp, sigalg, sig, indent + 4, 0);
315	0	}
316	0	}
317	0	#endif
318	0	if (BIO_write(bp, "\n", 1) != 1)
319	0	return 0;
320	0	if (sig)
321	0	return X509_signature_dump(bp, sig, indent + 4);
322	0	return 1;
323	0	}
324
325		int X509_aux_print(BIO out, X509 x, int indent)
326	0	{
327	0	char oidstr[80], first;
328	0	STACK_OF(ASN1_OBJECT) trust, reject;
329	0	const unsigned char alias, keyid;
330	0	int keyidlen;
331	0	int i;
332	0	if (X509_trusted(x) == 0)
333	0	return 1;
334	0	trust = X509_get0_trust_objects(x);
335	0	reject = X509_get0_reject_objects(x);
336	0	if (trust) {
337	0	first = 1;
338	0	BIO_printf(out, "%sTrusted Uses:\n%s", indent, "", indent + 2, "");
339	0	for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++) {
340	0	if (!first)
341	0	BIO_puts(out, ", ");
342	0	else
343	0	first = 0;
344	0	OBJ_obj2txt(oidstr, sizeof(oidstr),
345	0	sk_ASN1_OBJECT_value(trust, i), 0);
346	0	BIO_puts(out, oidstr);
347	0	}
348	0	BIO_puts(out, "\n");
349	0	} else
350	0	BIO_printf(out, "%*sNo Trusted Uses.\n", indent, "");
351	0	if (reject) {
352	0	first = 1;
353	0	BIO_printf(out, "%sRejected Uses:\n%s", indent, "", indent + 2, "");
354	0	for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++) {
355	0	if (!first)
356	0	BIO_puts(out, ", ");
357	0	else
358	0	first = 0;
359	0	OBJ_obj2txt(oidstr, sizeof(oidstr),
360	0	sk_ASN1_OBJECT_value(reject, i), 0);
361	0	BIO_puts(out, oidstr);
362	0	}
363	0	BIO_puts(out, "\n");
364	0	} else
365	0	BIO_printf(out, "%*sNo Rejected Uses.\n", indent, "");
366	0	alias = X509_alias_get0(x, &i);
367	0	if (alias)
368	0	BIO_printf(out, "%sAlias: %.s\n", indent, "", i, alias);
369	0	keyid = X509_keyid_get0(x, &keyidlen);
370	0	if (keyid) {
371	0	BIO_printf(out, "%*sKey Id: ", indent, "");
372	0	for (i = 0; i < keyidlen; i++)
373	0	BIO_printf(out, "%s%02X", i ? ":" : "", keyid[i]);
374	0	BIO_write(out, "\n", 1);
375	0	}
376	0	return 1;
377	0	}
378
379		/*
380		* Helper functions for improving certificate verification error diagnostics
381		*/
382
383		int ossl_x509_print_ex_brief(BIO bio, X509 cert, unsigned long neg_cflags)
384	0	{
385	0	unsigned long flags = ASN1_STRFLGS_RFC2253 \| ASN1_STRFLGS_ESC_QUOTE \|
386	0	XN_FLAG_SEP_CPLUS_SPC \| XN_FLAG_FN_SN;
387
388	0	if (cert == NULL)
389	0	return BIO_printf(bio, " (no certificate)\n") > 0;
390	0	if (BIO_printf(bio, " certificate\n") <= 0
391	0	\|\| !X509_print_ex(bio, cert, flags, ~X509_FLAG_NO_SUBJECT))
392	0	return 0;
393	0	if (X509_check_issued((X509 *)cert, cert) == X509_V_OK) {
394	0	if (BIO_printf(bio, " self-issued\n") <= 0)
395	0	return 0;
396	0	} else {
397	0	if (BIO_printf(bio, " ") <= 0
398	0	\|\| !X509_print_ex(bio, cert, flags, ~X509_FLAG_NO_ISSUER))
399	0	return 0;
400	0	}
401	0	if (!X509_print_ex(bio, cert, flags,
402	0	~(X509_FLAG_NO_SERIAL \| X509_FLAG_NO_VALIDITY)))
403	0	return 0;
404	0	if (X509_cmp_current_time(X509_get0_notBefore(cert)) > 0)
405	0	if (BIO_printf(bio, " not yet valid\n") <= 0)
406	0	return 0;
407	0	if (X509_cmp_current_time(X509_get0_notAfter(cert)) < 0)
408	0	if (BIO_printf(bio, " no more valid\n") <= 0)
409	0	return 0;
410	0	return X509_print_ex(bio, cert, flags,
411	0	~neg_cflags & ~X509_FLAG_EXTENSIONS_ONLY_KID);
412	0	}
413
414		static int print_certs(BIO bio, const STACK_OF(X509) certs)
415	0	{
416	0	int i;
417
418	0	if (certs == NULL \|\| sk_X509_num(certs) <= 0)
419	0	return BIO_printf(bio, " (no certificates)\n") >= 0;
420
421	0	for (i = 0; i < sk_X509_num(certs); i++) {
422	0	X509 *cert = sk_X509_value(certs, i);
423
424	0	if (cert != NULL) {
425	0	if (!ossl_x509_print_ex_brief(bio, cert, 0))
426	0	return 0;
427	0	if (!X509V3_extensions_print(bio, NULL,
428	0	X509_get0_extensions(cert),
429	0	X509_FLAG_EXTENSIONS_ONLY_KID, 8))
430	0	return 0;
431	0	}
432	0	}
433	0	return 1;
434	0	}
435
436		static int print_store_certs(BIO bio, X509_STORE store)
437	0	{
438	0	if (store != NULL) {
439	0	STACK_OF(X509) *certs = X509_STORE_get1_all_certs(store);
440	0	int ret = print_certs(bio, certs);
441
442	0	OSSL_STACK_OF_X509_free(certs);
443	0	return ret;
444	0	} else {
445	0	return BIO_printf(bio, " (no trusted store)\n") >= 0;
446	0	}
447	0	}
448
449		/* Extend the error queue with details on a failed cert verification */
450		int X509_STORE_CTX_print_verify_cb(int ok, X509_STORE_CTX *ctx)
451	0	{
452	0	if (ok == 0 && ctx != NULL) {
453	0	int cert_error = X509_STORE_CTX_get_error(ctx);
454	0	BIO bio = BIO_new(BIO_s_mem()); / may be NULL */
455
456	0	if (bio == NULL)
457	0	return 0;
458	0	BIO_printf(bio, "%s at depth = %d error = %d (%s)\n",
459	0	X509_STORE_CTX_get0_parent_ctx(ctx) != NULL
460	0	? "CRL path validation"
461	0	: "Certificate verification",
462	0	X509_STORE_CTX_get_error_depth(ctx),
463	0	cert_error, X509_verify_cert_error_string(cert_error));
464	0	{
465	0	X509_STORE *ts = X509_STORE_CTX_get0_store(ctx);
466	0	X509_VERIFY_PARAM *vpm = X509_STORE_get0_param(ts);
467	0	char *str;
468	0	int idx = 0;
469
470	0	switch (cert_error) {
471	0	case X509_V_ERR_HOSTNAME_MISMATCH:
472	0	BIO_printf(bio, "Expected hostname(s) = ");
473	0	while ((str = X509_VERIFY_PARAM_get0_host(vpm, idx++)) != NULL)
474	0	BIO_printf(bio, "%s%s", idx == 1 ? "" : ", ", str);
475	0	BIO_printf(bio, "\n");
476	0	break;
477	0	case X509_V_ERR_EMAIL_MISMATCH:
478	0	str = X509_VERIFY_PARAM_get0_email(vpm);
479	0	if (str != NULL)
480	0	BIO_printf(bio, "Expected email address = %s\n", str);
481	0	break;
482	0	case X509_V_ERR_IP_ADDRESS_MISMATCH:
483	0	str = X509_VERIFY_PARAM_get1_ip_asc(vpm);
484	0	if (str != NULL)
485	0	BIO_printf(bio, "Expected IP address = %s\n", str);
486	0	OPENSSL_free(str);
487	0	break;
488	0	default:
489	0	break;
490	0	}
491	0	}
492
493	0	BIO_printf(bio, "Failure for:\n");
494	0	ossl_x509_print_ex_brief(bio, X509_STORE_CTX_get_current_cert(ctx),
495	0	X509_FLAG_NO_EXTENSIONS);
496	0	if (cert_error == X509_V_ERR_CERT_UNTRUSTED
497	0	\|\| cert_error == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT
498	0	\|\| cert_error == X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN
499	0	\|\| cert_error == X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT
500	0	\|\| cert_error == X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY
501	0	\|\| cert_error == X509_V_ERR_UNABLE_TO_GET_CRL_ISSUER
502	0	\|\| cert_error == X509_V_ERR_STORE_LOOKUP) {
503	0	BIO_printf(bio, "Non-trusted certs:\n");
504	0	print_certs(bio, X509_STORE_CTX_get0_untrusted(ctx));
505	0	BIO_printf(bio, "Certs in trust store:\n");
506	0	print_store_certs(bio, X509_STORE_CTX_get0_store(ctx));
507	0	}
508	0	ERR_raise(ERR_LIB_X509, X509_R_CERTIFICATE_VERIFICATION_FAILED);
509	0	ERR_add_error_mem_bio("\n", bio);
510	0	BIO_free(bio);
511	0	}
512
513	0	return ok;
514	0	}
515
516		/*
517		* Prints serial numbers in decimal and hexadecimal. The indent argument is only
518		* used if the serial number is too large to fit in an int64_t.
519		*/
520		int ossl_serial_number_print(BIO out, const ASN1_INTEGER bs, int indent)
521	0	{
522	0	int i, ok;
523	0	int64_t l;
524	0	uint64_t ul;
525	0	const char *neg;
526
527	0	if (bs->length == 0) {
528	0	if (BIO_puts(out, " (Empty)") <= 0)
529	0	return -1;
530	0	return 0;
531	0	}
532
533	0	ERR_set_mark();
534	0	ok = ASN1_INTEGER_get_int64(&l, bs);
535	0	ERR_pop_to_mark();
536
537	0	if (ok) { /* Reading an int64_t succeeded: print decimal and hex. */
538	0	if (bs->type == V_ASN1_NEG_INTEGER) {
539	0	ul = 0 - (uint64_t)l;
540	0	neg = "-";
541	0	} else {
542	0	ul = l;
543	0	neg = "";
544	0	}
545	0	if (BIO_printf(out, " %s%ju (%s0x%jx)", neg, ul, neg, ul) <= 0)
546	0	return -1;
547	0	} else { /* Reading an int64_t failed: just print hex. */
548	0	neg = (bs->type == V_ASN1_NEG_INTEGER) ? " (Negative)" : "";
549	0	if (BIO_printf(out, "\n%*s%s", indent, "", neg) <= 0)
550	0	return -1;
551
552	0	for (i = 0; i < bs->length - 1; i++) {
553	0	if (BIO_printf(out, "%02x%c", bs->data[i], ':') <= 0)
554	0	return -1;
555	0	}
556	0	if (BIO_printf(out, "%02x", bs->data[i]) <= 0)
557	0	return -1;
558	0	}
559	0	return 0;
560	0	}