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

/*
 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the Apache License 2.0 (the "License").  You may not use
 * this file except in compliance with the License.  You can obtain a copy
 * in the file LICENSE in the source distribution or at
 * https://www.openssl.org/source/license.html
 */

#include <stdio.h>
#include "internal/cryptlib.h"
#include <openssl/buffer.h>
#include <openssl/bn.h>
#include <openssl/objects.h>
#include <openssl/x509.h>
#include <openssl/x509v3.h>
#include "crypto/asn1.h"
#include "crypto/x509.h"

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

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

    if ((b = BIO_new(BIO_s_file())) == NULL) {
        X509err(X509_F_X509_PRINT_EX_FP, ERR_R_BUF_LIB);
        return 0;
    }
    BIO_set_fp(b, fp, BIO_NOCLOSE);
    ret = X509_print_ex(b, x, nmflag, cflag);
    BIO_free(b);
    return ret;
}
#endif

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

int X509_print_ex(BIO *bp, X509 *x, unsigned long nmflags,
                  unsigned long cflag)
{
    long l;
    int ret = 0, i;
    char *m = NULL, mlch = ' ';
    int nmindent = 0;
    ASN1_INTEGER *bs;
    EVP_PKEY *pkey = NULL;
    const char *neg;

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

    if (nmflags == X509_FLAG_COMPAT)
        nmindent = 16;

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

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

        bs = X509_get_serialNumber(x);
        if (bs->length <= (int)sizeof(long)) {
                ERR_set_mark();
                l = ASN1_INTEGER_get(bs);
                ERR_pop_to_mark();
        } else {
            l = -1;
        }
        if (l != -1) {
            unsigned long ul;
            if (bs->type == V_ASN1_NEG_INTEGER) {
                ul = 0 - (unsigned long)l;
                neg = "-";
            } else {
                ul = l;
                neg = "";
            }
            if (BIO_printf(bp, " %s%lu (%s0x%lx)\n", neg, ul, neg, ul) <= 0)
                goto err;
        } else {
            neg = (bs->type == V_ASN1_NEG_INTEGER) ? " (Negative)" : "";
            if (BIO_printf(bp, "\n%12s%s", "", neg) <= 0)
                goto err;

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

    }

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

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

    if (!(cflag & X509_FLAG_NO_ISSUER)) {
        if (BIO_printf(bp, "        Issuer:%c", mlch) <= 0)
            goto err;
        if (X509_NAME_print_ex(bp, X509_get_issuer_name(x), nmindent, nmflags)
            < 0)
            goto err;
        if (BIO_write(bp, "\n", 1) <= 0)
            goto err;
    }
    if (!(cflag & X509_FLAG_NO_VALIDITY)) {
        if (BIO_write(bp, "        Validity\n", 17) <= 0)
            goto err;
        if (BIO_write(bp, "            Not Before: ", 24) <= 0)
            goto err;
        if (!ASN1_TIME_print(bp, X509_get0_notBefore(x)))
            goto err;
        if (BIO_write(bp, "\n            Not After : ", 25) <= 0)
            goto err;
        if (!ASN1_TIME_print(bp, X509_get0_notAfter(x)))
            goto err;
        if (BIO_write(bp, "\n", 1) <= 0)
            goto err;
    }
    if (!(cflag & X509_FLAG_NO_SUBJECT)) {
        if (BIO_printf(bp, "        Subject:%c", mlch) <= 0)
            goto err;
        if (X509_NAME_print_ex
            (bp, X509_get_subject_name(x), nmindent, nmflags) < 0)
            goto err;
        if (BIO_write(bp, "\n", 1) <= 0)
            goto err;
    }
    if (!(cflag & X509_FLAG_NO_PUBKEY)) {
        X509_PUBKEY *xpkey = X509_get_X509_PUBKEY(x);
        ASN1_OBJECT *xpoid;
        X509_PUBKEY_get0_param(&xpoid, NULL, NULL, NULL, xpkey);
        if (BIO_write(bp, "        Subject Public Key Info:\n", 33) <= 0)
            goto err;
        if (BIO_printf(bp, "%12sPublic Key Algorithm: ", "") <= 0)
            goto err;
        if (i2a_ASN1_OBJECT(bp, xpoid) <= 0)
            goto err;
        if (BIO_puts(bp, "\n") <= 0)
            goto err;

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

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

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

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

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

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

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

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

    keybstr = X509_get0_pubkey_bitstr(x);

    if (keybstr == NULL)
        goto err;

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

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

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

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

    return 1;
}

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

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

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

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

int 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));
}

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 && !x509_print_ex_brief(bio, cert, 0))
            return 0;
    }
    return 1;
}

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

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

/* Extend the error queue with details on a failed cert verification */
int X509_STORE_CTX_print_verify_cb(int ok, X509_STORE_CTX *ctx)
{
    if (ok == 0 && ctx != NULL) {
        int cert_error = X509_STORE_CTX_get_error(ctx);
        int depth = X509_STORE_CTX_get_error_depth(ctx);
        X509 *cert = X509_STORE_CTX_get_current_cert(ctx);
        BIO *bio = BIO_new(BIO_s_mem()); /* may be NULL */

        BIO_printf(bio, "%s at depth=%d error=%d (%s)\n",
                   X509_STORE_CTX_get0_parent_ctx(ctx) != NULL
                   ? "CRL path validation" : "certificate verification",
                   depth, cert_error,
                   X509_verify_cert_error_string(cert_error));
        BIO_printf(bio, "failure for:\n");
        x509_print_ex_brief(bio, cert, 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));
        }
        X509err(0, X509_R_CERTIFICATE_VERIFICATION_FAILED);
        ERR_add_error_mem_bio("\n", bio);
        BIO_free(bio);
    }

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

    return ok;
}
Commit	Line	Data
b1322259 RS	1	/*
b1322259 RS	2	* Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
d02b48c6	3	*
3e4b43b9	4	* Licensed under the Apache License 2.0 (the "License"). You may not use
b1322259 RS	5	* this file except in compliance with the License. You can obtain a copy
	6	* in the file LICENSE in the source distribution or at
	7	* https://www.openssl.org/source/license.html
d02b48c6 RE	8	*/
	9
	10	#include <stdio.h>
b39fc560	11	#include "internal/cryptlib.h"
ec577822 BM	12	#include <openssl/buffer.h>
ec577822 BM	13	#include <openssl/bn.h>
ec577822 BM	14	#include <openssl/objects.h>
	15	#include <openssl/x509.h>
	16	#include <openssl/x509v3.h>
25f2138b	17	#include "crypto/asn1.h"
31b28ad9	18	#include "crypto/x509.h"
d02b48c6	19
4b618848	20	#ifndef OPENSSL_NO_STDIO
6b691a5c	21	int X509_print_fp(FILE fp, X509 x)
0f113f3e MC	22	{
	23	return X509_print_ex_fp(fp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
	24	}
d0c98589	25
0f113f3e MC	26	int X509_print_ex_fp(FILE fp, X509 x, unsigned long nmflag,
	27	unsigned long cflag)
	28	{
	29	BIO *b;
	30	int ret;
	31
	32	if ((b = BIO_new(BIO_s_file())) == NULL) {
	33	X509err(X509_F_X509_PRINT_EX_FP, ERR_R_BUF_LIB);
26a7d938	34	return 0;
0f113f3e MC	35	}
	36	BIO_set_fp(b, fp, BIO_NOCLOSE);
	37	ret = X509_print_ex(b, x, nmflag, cflag);
	38	BIO_free(b);
26a7d938	39	return ret;
0f113f3e	40	}
d02b48c6 RE	41	#endif
d02b48c6 RE	42
6b691a5c	43	int X509_print(BIO bp, X509 x)
d0c98589	44	{
0f113f3e	45	return X509_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
d0c98589 DSH	46	}
d0c98589 DSH	47
0f113f3e MC	48	int X509_print_ex(BIO bp, X509 x, unsigned long nmflags,
	49	unsigned long cflag)
	50	{
	51	long l;
	52	int ret = 0, i;
	53	char *m = NULL, mlch = ' ';
	54	int nmindent = 0;
0f113f3e MC	55	ASN1_INTEGER *bs;
	56	EVP_PKEY *pkey = NULL;
	57	const char *neg;
	58
	59	if ((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
	60	mlch = '\n';
	61	nmindent = 12;
	62	}
	63
	64	if (nmflags == X509_FLAG_COMPAT)
	65	nmindent = 16;
	66
0f113f3e MC	67	if (!(cflag & X509_FLAG_NO_HEADER)) {
	68	if (BIO_write(bp, "Certificate:\n", 13) <= 0)
	69	goto err;
	70	if (BIO_write(bp, " Data:\n", 10) <= 0)
	71	goto err;
	72	}
	73	if (!(cflag & X509_FLAG_NO_VERSION)) {
	74	l = X509_get_version(x);
676befbe KR	75	if (l >= 0 && l <= 2) {
	76	if (BIO_printf(bp, "%8sVersion: %ld (0x%lx)\n", "", l + 1, (unsigned long)l) <= 0)
	77	goto err;
	78	} else {
	79	if (BIO_printf(bp, "%8sVersion: Unknown (%ld)\n", "", l) <= 0)
	80	goto err;
	81	}
0f113f3e MC	82	}
	83	if (!(cflag & X509_FLAG_NO_SERIAL)) {
	84
	85	if (BIO_write(bp, " Serial Number:", 22) <= 0)
	86	goto err;
	87
	88	bs = X509_get_serialNumber(x);
	89	if (bs->length <= (int)sizeof(long)) {
4336de0c DSH	90	ERR_set_mark();
	91	l = ASN1_INTEGER_get(bs);
	92	ERR_pop_to_mark();
	93	} else {
	94	l = -1;
	95	}
	96	if (l != -1) {
244d7b28	97	unsigned long ul;
0f113f3e	98	if (bs->type == V_ASN1_NEG_INTEGER) {
244d7b28	99	ul = 0 - (unsigned long)l;
0f113f3e	100	neg = "-";
c4a60150	101	} else {
244d7b28	102	ul = l;
0f113f3e	103	neg = "";
c4a60150	104	}
244d7b28	105	if (BIO_printf(bp, " %s%lu (%s0x%lx)\n", neg, ul, neg, ul) <= 0)
0f113f3e MC	106	goto err;
	107	} else {
	108	neg = (bs->type == V_ASN1_NEG_INTEGER) ? " (Negative)" : "";
	109	if (BIO_printf(bp, "\n%12s%s", "", neg) <= 0)
	110	goto err;
	111
	112	for (i = 0; i < bs->length; i++) {
	113	if (BIO_printf(bp, "%02x%c", bs->data[i],
	114	((i + 1 == bs->length) ? '\n' : ':')) <= 0)
	115	goto err;
	116	}
	117	}
	118
	119	}
	120
	121	if (!(cflag & X509_FLAG_NO_SIGNAME)) {
8900f3e3	122	const X509_ALGOR *tsig_alg = X509_get0_tbs_sigalg(x);
e6cccb5f YL	123
	124	if (BIO_puts(bp, " ") <= 0)
	125	goto err;
699f1635	126	if (X509_signature_print(bp, tsig_alg, NULL) <= 0)
0f113f3e	127	goto err;
0f113f3e MC	128	}
	129
	130	if (!(cflag & X509_FLAG_NO_ISSUER)) {
	131	if (BIO_printf(bp, " Issuer:%c", mlch) <= 0)
	132	goto err;
	133	if (X509_NAME_print_ex(bp, X509_get_issuer_name(x), nmindent, nmflags)
	134	< 0)
	135	goto err;
	136	if (BIO_write(bp, "\n", 1) <= 0)
	137	goto err;
	138	}
	139	if (!(cflag & X509_FLAG_NO_VALIDITY)) {
	140	if (BIO_write(bp, " Validity\n", 17) <= 0)
	141	goto err;
	142	if (BIO_write(bp, " Not Before: ", 24) <= 0)
	143	goto err;
568ce3a5	144	if (!ASN1_TIME_print(bp, X509_get0_notBefore(x)))
0f113f3e MC	145	goto err;
	146	if (BIO_write(bp, "\n Not After : ", 25) <= 0)
	147	goto err;
568ce3a5	148	if (!ASN1_TIME_print(bp, X509_get0_notAfter(x)))
0f113f3e MC	149	goto err;
	150	if (BIO_write(bp, "\n", 1) <= 0)
	151	goto err;
	152	}
	153	if (!(cflag & X509_FLAG_NO_SUBJECT)) {
	154	if (BIO_printf(bp, " Subject:%c", mlch) <= 0)
	155	goto err;
	156	if (X509_NAME_print_ex
	157	(bp, X509_get_subject_name(x), nmindent, nmflags) < 0)
	158	goto err;
	159	if (BIO_write(bp, "\n", 1) <= 0)
	160	goto err;
	161	}
	162	if (!(cflag & X509_FLAG_NO_PUBKEY)) {
699f1635 DSH	163	X509_PUBKEY *xpkey = X509_get_X509_PUBKEY(x);
	164	ASN1_OBJECT *xpoid;
	165	X509_PUBKEY_get0_param(&xpoid, NULL, NULL, NULL, xpkey);
0f113f3e MC	166	if (BIO_write(bp, " Subject Public Key Info:\n", 33) <= 0)
	167	goto err;
	168	if (BIO_printf(bp, "%12sPublic Key Algorithm: ", "") <= 0)
	169	goto err;
699f1635	170	if (i2a_ASN1_OBJECT(bp, xpoid) <= 0)
0f113f3e MC	171	goto err;
	172	if (BIO_puts(bp, "\n") <= 0)
	173	goto err;
	174
c01ff880	175	pkey = X509_get0_pubkey(x);
0f113f3e MC	176	if (pkey == NULL) {
	177	BIO_printf(bp, "%12sUnable to load Public Key\n", "");
	178	ERR_print_errors(bp);
	179	} else {
	180	EVP_PKEY_print_public(bp, pkey, 16, NULL);
0f113f3e MC	181	}
	182	}
	183
	184	if (!(cflag & X509_FLAG_NO_IDS)) {
8900f3e3 DSH	185	const ASN1_BIT_STRING iuid, suid;
8900f3e3 DSH	186	X509_get0_uids(x, &iuid, &suid);
699f1635	187	if (iuid != NULL) {
0f113f3e MC	188	if (BIO_printf(bp, "%8sIssuer Unique ID: ", "") <= 0)
0f113f3e MC	189	goto err;
699f1635	190	if (!X509_signature_dump(bp, iuid, 12))
0f113f3e MC	191	goto err;
0f113f3e MC	192	}
699f1635	193	if (suid != NULL) {
0f113f3e MC	194	if (BIO_printf(bp, "%8sSubject Unique ID: ", "") <= 0)
0f113f3e MC	195	goto err;
699f1635	196	if (!X509_signature_dump(bp, suid, 12))
0f113f3e MC	197	goto err;
	198	}
	199	}
	200
	201	if (!(cflag & X509_FLAG_NO_EXTENSIONS))
	202	X509V3_extensions_print(bp, "X509v3 extensions",
699f1635	203	X509_get0_extensions(x), cflag, 8);
0f113f3e MC	204
0f113f3e MC	205	if (!(cflag & X509_FLAG_NO_SIGDUMP)) {
8adc1cb8 DSH	206	const X509_ALGOR *sig_alg;
8adc1cb8 DSH	207	const ASN1_BIT_STRING *sig;
699f1635 DSH	208	X509_get0_signature(&sig, &sig_alg, x);
699f1635 DSH	209	if (X509_signature_print(bp, sig_alg, sig) <= 0)
0f113f3e MC	210	goto err;
	211	}
	212	if (!(cflag & X509_FLAG_NO_AUX)) {
699f1635	213	if (!X509_aux_print(bp, x, 0))
0f113f3e MC	214	goto err;
	215	}
	216	ret = 1;
	217	err:
b548a1f1	218	OPENSSL_free(m);
26a7d938	219	return ret;
0f113f3e MC	220	}
	221
	222	int X509_ocspid_print(BIO bp, X509 x)
	223	{
	224	unsigned char *der = NULL;
	225	unsigned char *dertmp;
	226	int derlen;
	227	int i;
	228	unsigned char SHA1md[SHA_DIGEST_LENGTH];
699f1635	229	ASN1_BIT_STRING *keybstr;
8cc86b81	230	const X509_NAME *subj;
0f113f3e MC	231
	232	/*
	233	* display the hash of the subject as it would appear in OCSP requests
	234	*/
	235	if (BIO_printf(bp, " Subject OCSP hash: ") <= 0)
	236	goto err;
699f1635 DSH	237	subj = X509_get_subject_name(x);
699f1635 DSH	238	derlen = i2d_X509_NAME(subj, NULL);
b196e7d9	239	if ((der = dertmp = OPENSSL_malloc(derlen)) == NULL)
0f113f3e	240	goto err;
699f1635	241	i2d_X509_NAME(subj, &dertmp);
0f113f3e MC	242
	243	if (!EVP_Digest(der, derlen, SHA1md, NULL, EVP_sha1(), NULL))
	244	goto err;
	245	for (i = 0; i < SHA_DIGEST_LENGTH; i++) {
	246	if (BIO_printf(bp, "%02X", SHA1md[i]) <= 0)
	247	goto err;
	248	}
	249	OPENSSL_free(der);
	250	der = NULL;
	251
	252	/*
	253	* display the hash of the public key as it would appear in OCSP requests
	254	*/
	255	if (BIO_printf(bp, "\n Public key OCSP hash: ") <= 0)
	256	goto err;
	257
699f1635 DSH	258	keybstr = X509_get0_pubkey_bitstr(x);
	259
	260	if (keybstr == NULL)
	261	goto err;
	262
17ebf85a DSH	263	if (!EVP_Digest(ASN1_STRING_get0_data(keybstr),
	264	ASN1_STRING_length(keybstr), SHA1md, NULL, EVP_sha1(),
	265	NULL))
0f113f3e MC	266	goto err;
	267	for (i = 0; i < SHA_DIGEST_LENGTH; i++) {
	268	if (BIO_printf(bp, "%02X", SHA1md[i]) <= 0)
	269	goto err;
	270	}
	271	BIO_printf(bp, "\n");
	272
208fb891	273	return 1;
0f113f3e	274	err:
b548a1f1	275	OPENSSL_free(der);
26a7d938	276	return 0;
0f113f3e	277	}
eb64730b	278
fa1ba589	279	int X509_signature_dump(BIO bp, const ASN1_STRING sig, int indent)
de487514	280	{
0f113f3e MC	281	const unsigned char *s;
	282	int i, n;
	283
	284	n = sig->length;
	285	s = sig->data;
	286	for (i = 0; i < n; i++) {
	287	if ((i % 18) == 0) {
a4c467c9	288	if (i > 0 && BIO_write(bp, "\n", 1) <= 0)
0f113f3e MC	289	return 0;
	290	if (BIO_indent(bp, indent, indent) <= 0)
	291	return 0;
	292	}
	293	if (BIO_printf(bp, "%02x%s", s[i], ((i + 1) == n) ? "" : ":") <= 0)
	294	return 0;
	295	}
	296	if (BIO_write(bp, "\n", 1) != 1)
	297	return 0;
	298
	299	return 1;
de487514 DSH	300	}
de487514 DSH	301
5e6089f0 MC	302	int X509_signature_print(BIO bp, const X509_ALGOR sigalg,
5e6089f0 MC	303	const ASN1_STRING *sig)
fa1ba589	304	{
0f113f3e	305	int sig_nid;
5743d126 DO	306	int indent = 4;
5743d126 DO	307	if (BIO_printf(bp, "%*sSignature Algorithm: ", indent, "") <= 0)
0f113f3e MC	308	return 0;
	309	if (i2a_ASN1_OBJECT(bp, sigalg->algorithm) <= 0)
	310	return 0;
	311
5743d126 DO	312	if (sig && BIO_printf(bp, "\n%*sSignature Value:", indent, "") <= 0)
5743d126 DO	313	return 0;
0f113f3e MC	314	sig_nid = OBJ_obj2nid(sigalg->algorithm);
	315	if (sig_nid != NID_undef) {
	316	int pkey_nid, dig_nid;
	317	const EVP_PKEY_ASN1_METHOD *ameth;
	318	if (OBJ_find_sigid_algs(sig_nid, &dig_nid, &pkey_nid)) {
	319	ameth = EVP_PKEY_asn1_find(NULL, pkey_nid);
	320	if (ameth && ameth->sig_print)
5743d126	321	return ameth->sig_print(bp, sigalg, sig, indent + 4, 0);
0f113f3e MC	322	}
0f113f3e MC	323	}
a4c467c9 DO	324	if (BIO_write(bp, "\n", 1) != 1)
a4c467c9 DO	325	return 0;
0f113f3e	326	if (sig)
5743d126	327	return X509_signature_dump(bp, sig, indent + 4);
0f113f3e	328	return 1;
fa1ba589	329	}
699f1635 DSH	330
	331	int X509_aux_print(BIO out, X509 x, int indent)
	332	{
	333	char oidstr[80], first;
	334	STACK_OF(ASN1_OBJECT) trust, reject;
	335	const unsigned char alias, keyid;
	336	int keyidlen;
	337	int i;
	338	if (X509_trusted(x) == 0)
	339	return 1;
	340	trust = X509_get0_trust_objects(x);
	341	reject = X509_get0_reject_objects(x);
	342	if (trust) {
	343	first = 1;
	344	BIO_printf(out, "%sTrusted Uses:\n%s", indent, "", indent + 2, "");
	345	for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++) {
	346	if (!first)
	347	BIO_puts(out, ", ");
	348	else
	349	first = 0;
cbe29648	350	OBJ_obj2txt(oidstr, sizeof(oidstr),
699f1635 DSH	351	sk_ASN1_OBJECT_value(trust, i), 0);
	352	BIO_puts(out, oidstr);
	353	}
	354	BIO_puts(out, "\n");
	355	} else
	356	BIO_printf(out, "%*sNo Trusted Uses.\n", indent, "");
	357	if (reject) {
	358	first = 1;
	359	BIO_printf(out, "%sRejected Uses:\n%s", indent, "", indent + 2, "");
	360	for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++) {
	361	if (!first)
	362	BIO_puts(out, ", ");
	363	else
	364	first = 0;
cbe29648	365	OBJ_obj2txt(oidstr, sizeof(oidstr),
699f1635 DSH	366	sk_ASN1_OBJECT_value(reject, i), 0);
	367	BIO_puts(out, oidstr);
	368	}
	369	BIO_puts(out, "\n");
	370	} else
	371	BIO_printf(out, "%*sNo Rejected Uses.\n", indent, "");
	372	alias = X509_alias_get0(x, NULL);
	373	if (alias)
	374	BIO_printf(out, "%*sAlias: %s\n", indent, "", alias);
	375	keyid = X509_keyid_get0(x, &keyidlen);
	376	if (keyid) {
	377	BIO_printf(out, "%*sKey Id: ", indent, "");
	378	for (i = 0; i < keyidlen; i++)
	379	BIO_printf(out, "%s%02X", i ? ":" : "", keyid[i]);
	380	BIO_write(out, "\n", 1);
	381	}
	382	return 1;
	383	}
31b28ad9 DDO	384
	385	/*
	386	* Helper functions for improving certificate verification error diagnostics
	387	*/
	388
	389	int x509_print_ex_brief(BIO bio, X509 cert, unsigned long neg_cflags)
	390	{
	391	unsigned long flags = ASN1_STRFLGS_RFC2253 \| ASN1_STRFLGS_ESC_QUOTE \|
	392	XN_FLAG_SEP_CPLUS_SPC \| XN_FLAG_FN_SN;
	393
	394	if (cert == NULL)
	395	return BIO_printf(bio, " (no certificate)\n") > 0;
	396	if (BIO_printf(bio, " certificate\n") <= 0
	397	\|\| !X509_print_ex(bio, cert, flags, ~X509_FLAG_NO_SUBJECT))
	398	return 0;
	399	if (X509_check_issued((X509 *)cert, cert) == X509_V_OK) {
	400	if (BIO_printf(bio, " self-issued\n") <= 0)
	401	return 0;
	402	} else {
	403	if (BIO_printf(bio, " ") <= 0
	404	\|\| !X509_print_ex(bio, cert, flags, ~X509_FLAG_NO_ISSUER))
	405	return 0;
	406	}
	407	if (!X509_print_ex(bio, cert, flags,
	408	~(X509_FLAG_NO_SERIAL \| X509_FLAG_NO_VALIDITY)))
	409	return 0;
	410	if (X509_cmp_current_time(X509_get0_notBefore(cert)) > 0)
	411	if (BIO_printf(bio, " not yet valid\n") <= 0)
	412	return 0;
	413	if (X509_cmp_current_time(X509_get0_notAfter(cert)) < 0)
	414	if (BIO_printf(bio, " no more valid\n") <= 0)
	415	return 0;
	416	return X509_print_ex(bio, cert, flags, ~(neg_cflags));
	417	}
	418
	419	static int print_certs(BIO bio, const STACK_OF(X509) certs)
	420	{
	421	int i;
	422
	423	if (certs == NULL \|\| sk_X509_num(certs) <= 0)
	424	return BIO_printf(bio, " (no certificates)\n") >= 0;
	425
	426	for (i = 0; i < sk_X509_num(certs); i++) {
	427	X509 *cert = sk_X509_value(certs, i);
	428	if (cert != NULL && !x509_print_ex_brief(bio, cert, 0))
	429	return 0;
	430	}
	431	return 1;
	432	}
	433
	434	static int print_store_certs(BIO bio, X509_STORE store)
	435	{
	436	if (store != NULL) {
	437	STACK_OF(X509) *certs = X509_STORE_get1_all_certs(store);
	438	int ret = print_certs(bio, certs);
	439
	440	sk_X509_pop_free(certs, X509_free);
	441	return ret;
	442	} else {
	443	return BIO_printf(bio, " (no trusted store)\n") >= 0;
	444	}
	445	}
	446
	447	/* Extend the error queue with details on a failed cert verification */
448	int X509_STORE_CTX_print_verify_cb(int ok, X509_STORE_CTX *ctx)
449	{
450	if (ok == 0 && ctx != NULL) {
451	int cert_error = X509_STORE_CTX_get_error(ctx);
452	int depth = X509_STORE_CTX_get_error_depth(ctx);
453	X509 *cert = X509_STORE_CTX_get_current_cert(ctx);
454	BIO bio = BIO_new(BIO_s_mem()); / may be NULL */
455
456	BIO_printf(bio, "%s at depth=%d error=%d (%s)\n",
457	X509_STORE_CTX_get0_parent_ctx(ctx) != NULL
458	? "CRL path validation" : "certificate verification",
459	depth, cert_error,
460	X509_verify_cert_error_string(cert_error));
461	BIO_printf(bio, "failure for:\n");
462	x509_print_ex_brief(bio, cert, X509_FLAG_NO_EXTENSIONS);
463	if (cert_error == X509_V_ERR_CERT_UNTRUSTED
464	\|\| cert_error == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT
465	\|\| cert_error == X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN
466	\|\| cert_error == X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT
467	\|\| cert_error == X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY
468	\|\| cert_error == X509_V_ERR_UNABLE_TO_GET_CRL_ISSUER
469	\|\| cert_error == X509_V_ERR_STORE_LOOKUP) {
470	BIO_printf(bio, "non-trusted certs:\n");
471	print_certs(bio, X509_STORE_CTX_get0_untrusted(ctx));
472	BIO_printf(bio, "certs in trust store:\n");
473	print_store_certs(bio, X509_STORE_CTX_get0_store(ctx));
474	}
99d680e6	475	X509err(0, X509_R_CERTIFICATE_VERIFICATION_FAILED);
31b28ad9 DDO	476	ERR_add_error_mem_bio("\n", bio);
	477	BIO_free(bio);
	478	}
	479
	480	/*
	481	* TODO we could check policies here too, e.g.:
	482	* if (cert_error == X509_V_OK && ok == 2)
	483	* policies_print(NULL, ctx);
	484	*/
	485
	486	return ok;
	487	}