[thirdparty/openssl.git] / apps / verify.c

/* apps/verify.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
 * All rights reserved.
 *
 * This package is an SSL implementation written
 * by Eric Young (eay@cryptsoft.com).
 * The implementation was written so as to conform with Netscapes SSL.
 *
 * This library is free for commercial and non-commercial use as long as
 * the following conditions are aheared to.  The following conditions
 * apply to all code found in this distribution, be it the RC4, RSA,
 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
 * included with this distribution is covered by the same copyright terms
 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
 *
 * Copyright remains Eric Young's, and as such any Copyright notices in
 * the code are not to be removed.
 * If this package is used in a product, Eric Young should be given attribution
 * as the author of the parts of the library used.
 * This can be in the form of a textual message at program startup or
 * in documentation (online or textual) provided with the package.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *    "This product includes cryptographic software written by
 *     Eric Young (eay@cryptsoft.com)"
 *    The word 'cryptographic' can be left out if the rouines from the library
 *    being used are not cryptographic related :-).
 * 4. If you include any Windows specific code (or a derivative thereof) from
 *    the apps directory (application code) you must include an acknowledgement:
 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
 *
 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * The licence and distribution terms for any publically available version or
 * derivative of this code cannot be changed.  i.e. this code cannot simply be
 * copied and put under another distribution licence
 * [including the GNU Public Licence.]
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "apps.h"
#include <openssl/bio.h>
#include <openssl/err.h>
#include <openssl/x509.h>
#include <openssl/x509v3.h>
#include <openssl/pem.h>

#undef PROG
#define PROG    verify_main

static int cb(int ok, X509_STORE_CTX *ctx);
static int check(X509_STORE *ctx, char *file,
                 STACK_OF(X509) *uchain, STACK_OF(X509) *tchain,
                 STACK_OF(X509_CRL) *crls, ENGINE *e, int show_chain);
static int v_verbose = 0, vflags = 0;

int MAIN(int, char **);

int MAIN(int argc, char **argv)
{
    ENGINE *e = NULL;
    int i, ret = 1, badarg = 0;
    char *CApath = NULL, *CAfile = NULL;
    char *untfile = NULL, *trustfile = NULL, *crlfile = NULL;
    STACK_OF(X509) *untrusted = NULL, *trusted = NULL;
    STACK_OF(X509_CRL) *crls = NULL;
    X509_STORE *cert_ctx = NULL;
    X509_LOOKUP *lookup = NULL;
    X509_VERIFY_PARAM *vpm = NULL;
    int crl_download = 0, show_chain = 0;
#ifndef OPENSSL_NO_ENGINE
    char *engine = NULL;
#endif

    cert_ctx = X509_STORE_new();
    if (cert_ctx == NULL)
        goto end;
    X509_STORE_set_verify_cb(cert_ctx, cb);

    ERR_load_crypto_strings();

    apps_startup();

    if (bio_err == NULL)
        if ((bio_err = BIO_new(BIO_s_file())) != NULL)
            BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT);

    if (!load_config(bio_err, NULL))
        goto end;

    argc--;
    argv++;
    for (;;) {
        if (argc >= 1) {
            if (strcmp(*argv, "-CApath") == 0) {
                if (argc-- < 1)
                    goto end;
                CApath = *(++argv);
            } else if (strcmp(*argv, "-CAfile") == 0) {
                if (argc-- < 1)
                    goto end;
                CAfile = *(++argv);
            } else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) {
                if (badarg)
                    goto end;
                continue;
            } else if (strcmp(*argv, "-untrusted") == 0) {
                if (argc-- < 1)
                    goto end;
                untfile = *(++argv);
            } else if (strcmp(*argv, "-trusted") == 0) {
                if (argc-- < 1)
                    goto end;
                trustfile = *(++argv);
            } else if (strcmp(*argv, "-CRLfile") == 0) {
                if (argc-- < 1)
                    goto end;
                crlfile = *(++argv);
            } else if (strcmp(*argv, "-crl_download") == 0)
                crl_download = 1;
            else if (strcmp(*argv, "-show_chain") == 0)
                show_chain = 1;
#ifndef OPENSSL_NO_ENGINE
            else if (strcmp(*argv, "-engine") == 0) {
                if (--argc < 1)
                    goto end;
                engine = *(++argv);
            }
#endif
            else if (strcmp(*argv, "-help") == 0)
                goto end;
            else if (strcmp(*argv, "-verbose") == 0)
                v_verbose = 1;
            else if (argv[0][0] == '-')
                goto end;
            else
                break;
            argc--;
            argv++;
        } else
            break;
    }

#ifndef OPENSSL_NO_ENGINE
    e = setup_engine(bio_err, engine, 0);
#endif

    if (vpm)
        X509_STORE_set1_param(cert_ctx, vpm);

    lookup = X509_STORE_add_lookup(cert_ctx, X509_LOOKUP_file());
    if (lookup == NULL)
        abort();
    if (CAfile) {
        i = X509_LOOKUP_load_file(lookup, CAfile, X509_FILETYPE_PEM);
        if (!i) {
            BIO_printf(bio_err, "Error loading file %s\n", CAfile);
            ERR_print_errors(bio_err);
            goto end;
        }
    } else
        X509_LOOKUP_load_file(lookup, NULL, X509_FILETYPE_DEFAULT);

    lookup = X509_STORE_add_lookup(cert_ctx, X509_LOOKUP_hash_dir());
    if (lookup == NULL)
        abort();
    if (CApath) {
        i = X509_LOOKUP_add_dir(lookup, CApath, X509_FILETYPE_PEM);
        if (!i) {
            BIO_printf(bio_err, "Error loading directory %s\n", CApath);
            ERR_print_errors(bio_err);
            goto end;
        }
    } else
        X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT);

    ERR_clear_error();

    if (untfile) {
        untrusted = load_certs(bio_err, untfile, FORMAT_PEM,
                               NULL, e, "untrusted certificates");
        if (!untrusted)
            goto end;
    }

    if (trustfile) {
        trusted = load_certs(bio_err, trustfile, FORMAT_PEM,
                             NULL, e, "trusted certificates");
        if (!trusted)
            goto end;
    }

    if (crlfile) {
        crls = load_crls(bio_err, crlfile, FORMAT_PEM, NULL, e, "other CRLs");
        if (!crls)
            goto end;
    }

    if (crl_download)
        store_setup_crl_download(cert_ctx);

    ret = 0;
    if (argc < 1) {
        if (1 !=
            check(cert_ctx, NULL, untrusted, trusted, crls, e, show_chain))
            ret = -1;
    } else {
        for (i = 0; i < argc; i++)
            if (1 !=
                check(cert_ctx, argv[i], untrusted, trusted, crls, e,
                      show_chain))
                ret = -1;
    }

 end:
    if (ret == 1) {
        BIO_printf(bio_err,
                   "usage: verify [-verbose] [-CApath path] [-CAfile file] [-trusted_first] [-purpose purpose] [-crl_check]");
#ifndef OPENSSL_NO_ENGINE
        BIO_printf(bio_err, " [-engine e]");
#endif
        BIO_printf(bio_err, " cert1 cert2 ...\n");

        BIO_printf(bio_err, "recognized usages:\n");
        for (i = 0; i < X509_PURPOSE_get_count(); i++) {
            X509_PURPOSE *ptmp;
            ptmp = X509_PURPOSE_get0(i);
            BIO_printf(bio_err, "\t%-10s\t%s\n",
                       X509_PURPOSE_get0_sname(ptmp),
                       X509_PURPOSE_get0_name(ptmp));
        }

        BIO_printf(bio_err, "recognized verify names:\n");
        for (i = 0; i < X509_VERIFY_PARAM_get_count(); i++) {
            const X509_VERIFY_PARAM *vptmp;
            vptmp = X509_VERIFY_PARAM_get0(i);
            BIO_printf(bio_err, "\t%-10s\n",
                       X509_VERIFY_PARAM_get0_name(vptmp));
        }

    }
    if (vpm)
        X509_VERIFY_PARAM_free(vpm);
    if (cert_ctx != NULL)
        X509_STORE_free(cert_ctx);
    sk_X509_pop_free(untrusted, X509_free);
    sk_X509_pop_free(trusted, X509_free);
    sk_X509_CRL_pop_free(crls, X509_CRL_free);
    apps_shutdown();
    OPENSSL_EXIT(ret < 0 ? 2 : ret);
}

static int check(X509_STORE *ctx, char *file,
                 STACK_OF(X509) *uchain, STACK_OF(X509) *tchain,
                 STACK_OF(X509_CRL) *crls, ENGINE *e, int show_chain)
{
    X509 *x = NULL;
    int i = 0, ret = 0;
    X509_STORE_CTX *csc;
    STACK_OF(X509) *chain = NULL;

    x = load_cert(bio_err, file, FORMAT_PEM, NULL, e, "certificate file");
    if (x == NULL)
        goto end;
    fprintf(stdout, "%s: ", (file == NULL) ? "stdin" : file);

    csc = X509_STORE_CTX_new();
    if (csc == NULL) {
        ERR_print_errors(bio_err);
        goto end;
    }
    X509_STORE_set_flags(ctx, vflags);
    if (!X509_STORE_CTX_init(csc, ctx, x, uchain)) {
        ERR_print_errors(bio_err);
        goto end;
    }
    if (tchain)
        X509_STORE_CTX_trusted_stack(csc, tchain);
    if (crls)
        X509_STORE_CTX_set0_crls(csc, crls);
    i = X509_verify_cert(csc);
    if (i > 0 && show_chain)
        chain = X509_STORE_CTX_get1_chain(csc);
    X509_STORE_CTX_free(csc);

    ret = 0;
 end:
    if (i > 0) {
        fprintf(stdout, "OK\n");
        ret = 1;
    } else
        ERR_print_errors(bio_err);
    if (chain) {
        printf("Chain:\n");
        for (i = 0; i < sk_X509_num(chain); i++) {
            X509 *cert = sk_X509_value(chain, i);
            printf("depth=%d: ", i);
            X509_NAME_print_ex_fp(stdout,
                                  X509_get_subject_name(cert),
                                  0, XN_FLAG_ONELINE);
            printf("\n");
        }
        sk_X509_pop_free(chain, X509_free);
    }
    if (x != NULL)
        X509_free(x);

    return (ret);
}

static int cb(int ok, X509_STORE_CTX *ctx)
{
    int cert_error = X509_STORE_CTX_get_error(ctx);
    X509 *current_cert = X509_STORE_CTX_get_current_cert(ctx);

    if (!ok) {
        if (current_cert) {
            X509_NAME_print_ex_fp(stdout,
                                  X509_get_subject_name(current_cert),
                                  0, XN_FLAG_ONELINE);
            printf("\n");
        }
        printf("%serror %d at %d depth lookup:%s\n",
               X509_STORE_CTX_get0_parent_ctx(ctx) ? "[CRL path]" : "",
               cert_error,
               X509_STORE_CTX_get_error_depth(ctx),
               X509_verify_cert_error_string(cert_error));
        switch (cert_error) {
        case X509_V_ERR_NO_EXPLICIT_POLICY:
            policies_print(NULL, ctx);
        case X509_V_ERR_CERT_HAS_EXPIRED:

            /*
             * since we are just checking the certificates, it is ok if they
             * are self signed. But we should still warn the user.
             */

        case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
            /* Continue after extension errors too */
        case X509_V_ERR_INVALID_CA:
        case X509_V_ERR_INVALID_NON_CA:
        case X509_V_ERR_PATH_LENGTH_EXCEEDED:
        case X509_V_ERR_INVALID_PURPOSE:
        case X509_V_ERR_CRL_HAS_EXPIRED:
        case X509_V_ERR_CRL_NOT_YET_VALID:
        case X509_V_ERR_UNHANDLED_CRITICAL_EXTENSION:
            ok = 1;

        }

        return ok;

    }
    if (cert_error == X509_V_OK && ok == 2)
        policies_print(NULL, ctx);
    if (!v_verbose)
        ERR_clear_error();
    return (ok);
}
Commit	Line	Data
d02b48c6	1	/* apps/verify.c */
58964a49	2	/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
d02b48c6 RE	3	* All rights reserved.
	4	*
	5	* This package is an SSL implementation written
	6	* by Eric Young (eay@cryptsoft.com).
	7	* The implementation was written so as to conform with Netscapes SSL.
0f113f3e	8	*
d02b48c6 RE	9	* This library is free for commercial and non-commercial use as long as
	10	* the following conditions are aheared to. The following conditions
	11	* apply to all code found in this distribution, be it the RC4, RSA,
	12	* lhash, DES, etc., code; not just the SSL code. The SSL documentation
	13	* included with this distribution is covered by the same copyright terms
	14	* except that the holder is Tim Hudson (tjh@cryptsoft.com).
0f113f3e	15	*
d02b48c6 RE	16	* Copyright remains Eric Young's, and as such any Copyright notices in
	17	* the code are not to be removed.
	18	* If this package is used in a product, Eric Young should be given attribution
	19	* as the author of the parts of the library used.
	20	* This can be in the form of a textual message at program startup or
	21	* in documentation (online or textual) provided with the package.
0f113f3e	22	*
d02b48c6 RE	23	* Redistribution and use in source and binary forms, with or without
	24	* modification, are permitted provided that the following conditions
	25	* are met:
	26	* 1. Redistributions of source code must retain the copyright
	27	* notice, this list of conditions and the following disclaimer.
	28	* 2. Redistributions in binary form must reproduce the above copyright
	29	* notice, this list of conditions and the following disclaimer in the
	30	* documentation and/or other materials provided with the distribution.
	31	* 3. All advertising materials mentioning features or use of this software
	32	* must display the following acknowledgement:
	33	* "This product includes cryptographic software written by
	34	* Eric Young (eay@cryptsoft.com)"
	35	* The word 'cryptographic' can be left out if the rouines from the library
	36	* being used are not cryptographic related :-).
0f113f3e	37	* 4. If you include any Windows specific code (or a derivative thereof) from
d02b48c6 RE	38	* the apps directory (application code) you must include an acknowledgement:
d02b48c6 RE	39	* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
0f113f3e	40	*
d02b48c6 RE	41	* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
	42	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	43	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	44	* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
	45	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	46	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	47	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	48	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	49	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	50	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	51	* SUCH DAMAGE.
0f113f3e	52	*
d02b48c6 RE	53	* The licence and distribution terms for any publically available version or
	54	* derivative of this code cannot be changed. i.e. this code cannot simply be
	55	* copied and put under another distribution licence
	56	* [including the GNU Public Licence.]
	57	*/
	58
	59	#include <stdio.h>
	60	#include <stdlib.h>
	61	#include <string.h>
	62	#include "apps.h"
ec577822 BM	63	#include <openssl/bio.h>
	64	#include <openssl/err.h>
	65	#include <openssl/x509.h>
d4cec6a1	66	#include <openssl/x509v3.h>
ec577822	67	#include <openssl/pem.h>
d02b48c6 RE	68
d02b48c6 RE	69	#undef PROG
0f113f3e	70	#define PROG verify_main
d02b48c6	71
6d23cf97	72	static int cb(int ok, X509_STORE_CTX *ctx);
245d2ee3	73	static int check(X509_STORE ctx, char file,
0f113f3e MC	74	STACK_OF(X509) uchain, STACK_OF(X509) tchain,
	75	STACK_OF(X509_CRL) crls, ENGINE e, int show_chain);
	76	static int v_verbose = 0, vflags = 0;
d02b48c6	77
667ac4ec RE	78	int MAIN(int, char **);
667ac4ec RE	79
6b691a5c	80	int MAIN(int argc, char **argv)
0f113f3e MC	81	{
	82	ENGINE *e = NULL;
	83	int i, ret = 1, badarg = 0;
	84	char CApath = NULL, CAfile = NULL;
	85	char untfile = NULL, trustfile = NULL, *crlfile = NULL;
	86	STACK_OF(X509) untrusted = NULL, trusted = NULL;
	87	STACK_OF(X509_CRL) *crls = NULL;
	88	X509_STORE *cert_ctx = NULL;
	89	X509_LOOKUP *lookup = NULL;
	90	X509_VERIFY_PARAM *vpm = NULL;
	91	int crl_download = 0, show_chain = 0;
0b13e9f0	92	#ifndef OPENSSL_NO_ENGINE
0f113f3e	93	char *engine = NULL;
0b13e9f0	94	#endif
d02b48c6	95
0f113f3e MC	96	cert_ctx = X509_STORE_new();
	97	if (cert_ctx == NULL)
	98	goto end;
	99	X509_STORE_set_verify_cb(cert_ctx, cb);
	100
	101	ERR_load_crypto_strings();
	102
	103	apps_startup();
	104
	105	if (bio_err == NULL)
	106	if ((bio_err = BIO_new(BIO_s_file())) != NULL)
	107	BIO_set_fp(bio_err, stderr, BIO_NOCLOSE \| BIO_FP_TEXT);
	108
	109	if (!load_config(bio_err, NULL))
	110	goto end;
	111
	112	argc--;
	113	argv++;
	114	for (;;) {
	115	if (argc >= 1) {
	116	if (strcmp(*argv, "-CApath") == 0) {
	117	if (argc-- < 1)
	118	goto end;
	119	CApath = *(++argv);
	120	} else if (strcmp(*argv, "-CAfile") == 0) {
	121	if (argc-- < 1)
	122	goto end;
	123	CAfile = *(++argv);
	124	} else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) {
	125	if (badarg)
	126	goto end;
	127	continue;
	128	} else if (strcmp(*argv, "-untrusted") == 0) {
	129	if (argc-- < 1)
	130	goto end;
	131	untfile = *(++argv);
	132	} else if (strcmp(*argv, "-trusted") == 0) {
	133	if (argc-- < 1)
	134	goto end;
	135	trustfile = *(++argv);
	136	} else if (strcmp(*argv, "-CRLfile") == 0) {
	137	if (argc-- < 1)
	138	goto end;
	139	crlfile = *(++argv);
	140	} else if (strcmp(*argv, "-crl_download") == 0)
	141	crl_download = 1;
	142	else if (strcmp(*argv, "-show_chain") == 0)
	143	show_chain = 1;
0b13e9f0	144	#ifndef OPENSSL_NO_ENGINE
0f113f3e MC	145	else if (strcmp(*argv, "-engine") == 0) {
	146	if (--argc < 1)
	147	goto end;
	148	engine = *(++argv);
	149	}
0b13e9f0	150	#endif
0f113f3e MC	151	else if (strcmp(*argv, "-help") == 0)
	152	goto end;
	153	else if (strcmp(*argv, "-verbose") == 0)
	154	v_verbose = 1;
	155	else if (argv[0][0] == '-')
	156	goto end;
	157	else
	158	break;
	159	argc--;
	160	argv++;
	161	} else
	162	break;
	163	}
d02b48c6	164
0b13e9f0	165	#ifndef OPENSSL_NO_ENGINE
0f113f3e	166	e = setup_engine(bio_err, engine, 0);
0b13e9f0	167	#endif
5270e702	168
0f113f3e MC	169	if (vpm)
	170	X509_STORE_set1_param(cert_ctx, vpm);
	171
	172	lookup = X509_STORE_add_lookup(cert_ctx, X509_LOOKUP_file());
	173	if (lookup == NULL)
	174	abort();
	175	if (CAfile) {
	176	i = X509_LOOKUP_load_file(lookup, CAfile, X509_FILETYPE_PEM);
	177	if (!i) {
	178	BIO_printf(bio_err, "Error loading file %s\n", CAfile);
	179	ERR_print_errors(bio_err);
	180	goto end;
	181	}
	182	} else
	183	X509_LOOKUP_load_file(lookup, NULL, X509_FILETYPE_DEFAULT);
	184
	185	lookup = X509_STORE_add_lookup(cert_ctx, X509_LOOKUP_hash_dir());
	186	if (lookup == NULL)
	187	abort();
	188	if (CApath) {
	189	i = X509_LOOKUP_add_dir(lookup, CApath, X509_FILETYPE_PEM);
	190	if (!i) {
	191	BIO_printf(bio_err, "Error loading directory %s\n", CApath);
	192	ERR_print_errors(bio_err);
	193	goto end;
	194	}
	195	} else
	196	X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT);
	197
	198	ERR_clear_error();
	199
	200	if (untfile) {
	201	untrusted = load_certs(bio_err, untfile, FORMAT_PEM,
	202	NULL, e, "untrusted certificates");
	203	if (!untrusted)
	204	goto end;
	205	}
	206
	207	if (trustfile) {
	208	trusted = load_certs(bio_err, trustfile, FORMAT_PEM,
	209	NULL, e, "trusted certificates");
	210	if (!trusted)
	211	goto end;
	212	}
	213
	214	if (crlfile) {
	215	crls = load_crls(bio_err, crlfile, FORMAT_PEM, NULL, e, "other CRLs");
	216	if (!crls)
	217	goto end;
	218	}
	219
	220	if (crl_download)
	221	store_setup_crl_download(cert_ctx);
	222
	223	ret = 0;
	224	if (argc < 1) {
	225	if (1 !=
	226	check(cert_ctx, NULL, untrusted, trusted, crls, e, show_chain))
	227	ret = -1;
	228	} else {
	229	for (i = 0; i < argc; i++)
	230	if (1 !=
	231	check(cert_ctx, argv[i], untrusted, trusted, crls, e,
	232	show_chain))
233	ret = -1;
234	}
235
236	end:
237	if (ret == 1) {
238	BIO_printf(bio_err,
239	"usage: verify [-verbose] [-CApath path] [-CAfile file] [-trusted_first] [-purpose purpose] [-crl_check]");
0b13e9f0	240	#ifndef OPENSSL_NO_ENGINE
0f113f3e	241	BIO_printf(bio_err, " [-engine e]");
0b13e9f0	242	#endif
0f113f3e MC	243	BIO_printf(bio_err, " cert1 cert2 ...\n");
	244
	245	BIO_printf(bio_err, "recognized usages:\n");
	246	for (i = 0; i < X509_PURPOSE_get_count(); i++) {
	247	X509_PURPOSE *ptmp;
	248	ptmp = X509_PURPOSE_get0(i);
	249	BIO_printf(bio_err, "\t%-10s\t%s\n",
	250	X509_PURPOSE_get0_sname(ptmp),
	251	X509_PURPOSE_get0_name(ptmp));
	252	}
	253
	254	BIO_printf(bio_err, "recognized verify names:\n");
	255	for (i = 0; i < X509_VERIFY_PARAM_get_count(); i++) {
	256	const X509_VERIFY_PARAM *vptmp;
	257	vptmp = X509_VERIFY_PARAM_get0(i);
	258	BIO_printf(bio_err, "\t%-10s\n",
	259	X509_VERIFY_PARAM_get0_name(vptmp));
	260	}
	261
	262	}
	263	if (vpm)
	264	X509_VERIFY_PARAM_free(vpm);
	265	if (cert_ctx != NULL)
	266	X509_STORE_free(cert_ctx);
	267	sk_X509_pop_free(untrusted, X509_free);
	268	sk_X509_pop_free(trusted, X509_free);
	269	sk_X509_CRL_pop_free(crls, X509_CRL_free);
	270	apps_shutdown();
	271	OPENSSL_EXIT(ret < 0 ? 2 : ret);
	272	}
d02b48c6	273
245d2ee3	274	static int check(X509_STORE ctx, char file,
0f113f3e MC	275	STACK_OF(X509) uchain, STACK_OF(X509) tchain,
	276	STACK_OF(X509_CRL) crls, ENGINE e, int show_chain)
	277	{
	278	X509 *x = NULL;
	279	int i = 0, ret = 0;
	280	X509_STORE_CTX *csc;
	281	STACK_OF(X509) *chain = NULL;
	282
	283	x = load_cert(bio_err, file, FORMAT_PEM, NULL, e, "certificate file");
	284	if (x == NULL)
	285	goto end;
	286	fprintf(stdout, "%s: ", (file == NULL) ? "stdin" : file);
	287
	288	csc = X509_STORE_CTX_new();
	289	if (csc == NULL) {
	290	ERR_print_errors(bio_err);
	291	goto end;
	292	}
	293	X509_STORE_set_flags(ctx, vflags);
	294	if (!X509_STORE_CTX_init(csc, ctx, x, uchain)) {
	295	ERR_print_errors(bio_err);
	296	goto end;
	297	}
	298	if (tchain)
	299	X509_STORE_CTX_trusted_stack(csc, tchain);
	300	if (crls)
	301	X509_STORE_CTX_set0_crls(csc, crls);
	302	i = X509_verify_cert(csc);
	303	if (i > 0 && show_chain)
	304	chain = X509_STORE_CTX_get1_chain(csc);
	305	X509_STORE_CTX_free(csc);
	306
	307	ret = 0;
	308	end:
	309	if (i > 0) {
	310	fprintf(stdout, "OK\n");
	311	ret = 1;
	312	} else
	313	ERR_print_errors(bio_err);
	314	if (chain) {
	315	printf("Chain:\n");
	316	for (i = 0; i < sk_X509_num(chain); i++) {
	317	X509 *cert = sk_X509_value(chain, i);
	318	printf("depth=%d: ", i);
	319	X509_NAME_print_ex_fp(stdout,
	320	X509_get_subject_name(cert),
	321	0, XN_FLAG_ONELINE);
	322	printf("\n");
	323	}
	324	sk_X509_pop_free(chain, X509_free);
	325	}
	326	if (x != NULL)
	327	X509_free(x);
	328
	329	return (ret);
	330	}
d02b48c6	331
6d23cf97	332	static int cb(int ok, X509_STORE_CTX *ctx)
0f113f3e MC	333	{
	334	int cert_error = X509_STORE_CTX_get_error(ctx);
	335	X509 *current_cert = X509_STORE_CTX_get_current_cert(ctx);
	336
	337	if (!ok) {
	338	if (current_cert) {
	339	X509_NAME_print_ex_fp(stdout,
	340	X509_get_subject_name(current_cert),
	341	0, XN_FLAG_ONELINE);
	342	printf("\n");
	343	}
	344	printf("%serror %d at %d depth lookup:%s\n",
	345	X509_STORE_CTX_get0_parent_ctx(ctx) ? "[CRL path]" : "",
	346	cert_error,
	347	X509_STORE_CTX_get_error_depth(ctx),
	348	X509_verify_cert_error_string(cert_error));
	349	switch (cert_error) {
	350	case X509_V_ERR_NO_EXPLICIT_POLICY:
	351	policies_print(NULL, ctx);
	352	case X509_V_ERR_CERT_HAS_EXPIRED:
	353
	354	/*
	355	* since we are just checking the certificates, it is ok if they
	356	* are self signed. But we should still warn the user.
	357	*/
	358
	359	case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
	360	/* Continue after extension errors too */
	361	case X509_V_ERR_INVALID_CA:
	362	case X509_V_ERR_INVALID_NON_CA:
	363	case X509_V_ERR_PATH_LENGTH_EXCEEDED:
	364	case X509_V_ERR_INVALID_PURPOSE:
	365	case X509_V_ERR_CRL_HAS_EXPIRED:
	366	case X509_V_ERR_CRL_NOT_YET_VALID:
	367	case X509_V_ERR_UNHANDLED_CRITICAL_EXTENSION:
	368	ok = 1;
	369
	370	}
	371
	372	return ok;
	373
	374	}
	375	if (cert_error == X509_V_OK && ok == 2)
	376	policies_print(NULL, ctx);
	377	if (!v_verbose)
	378	ERR_clear_error();
	379	return (ok);
	380	}