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

/*
 * Copyright 2019 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 <openssl/opensslconf.h>

#include "apps.h"
#include "app_params.h"
#include "progs.h"
#include "names.h"
#include <openssl/err.h>
#include <openssl/evp.h>
#include <openssl/safestack.h>
#include <openssl/provider.h>
#include <openssl/core.h>
#include <openssl/core_numbers.h>

typedef enum OPTION_choice {
    OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
    OPT_V = 100, OPT_VV, OPT_VVV
} OPTION_CHOICE;

const OPTIONS provider_options[] = {
    {OPT_HELP_STR, 1, '-', "Usage: %s [options] provider...\n"},
    {OPT_HELP_STR, 1, '-', "  provider... Providers to load\n"},

    OPT_SECTION("General"),
    {"help", OPT_HELP, '-', "Display this summary"},

    OPT_SECTION("Output"),
    {"v", OPT_V, '-', "List the algorithm names of specified provider"},
    {"vv", OPT_VV, '-', "List the algorithm names of specified providers,"},
    {OPT_MORE_STR, 0, '-', "categorised by operation type"},
    {"vvv", OPT_VVV, '-', "List the algorithm names of specified provider"},
    {OPT_MORE_STR, 0, '-', "one at a time, and list all known parameters"},
    {NULL}
};

typedef struct info_st INFO;
typedef struct meta_st META;

struct info_st {
    void (*collect_names_fn)(void *method, STACK_OF(OPENSSL_CSTRING) *names);
    void *method;
    const OSSL_PARAM *gettable_params;
    const OSSL_PARAM *gettable_ctx_params;
    const OSSL_PARAM *settable_ctx_params;
};

struct meta_st {
    int first;                   /* For prints */
    int total;
    int indent;
    int subindent;
    int verbose;
    const char *label;
    OSSL_PROVIDER *prov;
    void (*fn)(META *meta, INFO *info);
};

static void collect_cipher_names(void *method,
                                 STACK_OF(OPENSSL_CSTRING) *names)
{
    EVP_CIPHER_names_do_all(method, collect_names, names);
}

static void collect_digest_names(void *method,
                                 STACK_OF(OPENSSL_CSTRING) *names)
{
    EVP_MD_names_do_all(method, collect_names, names);
}

static void collect_mac_names(void *method,
                              STACK_OF(OPENSSL_CSTRING) *names)
{
    EVP_MAC_names_do_all(method, collect_names, names);
}

static void collect_keymgmt_names(void *method,
                                  STACK_OF(OPENSSL_CSTRING) *names)
{
    EVP_KEYMGMT_names_do_all(method, collect_names, names);
}

static void collect_keyexch_names(void *method,
                                  STACK_OF(OPENSSL_CSTRING) *names)
{
    EVP_KEYEXCH_names_do_all(method, collect_names, names);
}

static void collect_signature_names(void *method,
                                  STACK_OF(OPENSSL_CSTRING) *names)
{
    EVP_SIGNATURE_names_do_all(method, collect_names, names);
}

static void print_method_names(BIO *out, INFO *info)
{
    STACK_OF(OPENSSL_CSTRING) *names = sk_OPENSSL_CSTRING_new(name_cmp);

    info->collect_names_fn(info->method, names);
    print_names(out, names);
    sk_OPENSSL_CSTRING_free(names);
}

static void print_caps(META *meta, INFO *info)
{
    switch (meta->verbose) {
    case 1:
        if (!meta->first)
            BIO_printf(bio_out, "; ");
        print_method_names(bio_out, info);
        break;
    case 2:
        if (meta->first) {
            if (meta->total > 0)
                BIO_printf(bio_out, "\n");
            BIO_printf(bio_out, "%*s%ss:", meta->indent, "", meta->label);
        }
        BIO_printf(bio_out, " ");
        print_method_names(bio_out, info);
        break;
    case 3:
    default:
        BIO_printf(bio_out, "%*s%s ", meta->indent, "", meta->label);
        print_method_names(bio_out, info);
        BIO_printf(bio_out, "\n");
        print_param_types("retrievable algorithm parameters",
                          info->gettable_params, meta->subindent);
        print_param_types("retrievable operation parameters",
                          info->gettable_ctx_params, meta->subindent);
        print_param_types("settable operation parameters",
                          info->settable_ctx_params, meta->subindent);
        break;
    }
    meta->first = 0;
}

static void do_method(void *method,
                      void (*collect_names_fn)(void *method,
                                               STACK_OF(OPENSSL_CSTRING) *names),
                      const OSSL_PARAM *gettable_params,
                      const OSSL_PARAM *gettable_ctx_params,
                      const OSSL_PARAM *settable_ctx_params,
                      META *meta)
{
    INFO info;

    info.collect_names_fn = collect_names_fn;
    info.method = method;
    info.gettable_params = gettable_params;
    info.gettable_ctx_params = gettable_ctx_params;
    info.settable_ctx_params = settable_ctx_params;
    meta->fn(meta, &info);
    meta->total++;
}

static void do_cipher(EVP_CIPHER *cipher, void *meta)
{
    do_method(cipher, collect_cipher_names,
              EVP_CIPHER_gettable_params(cipher),
              EVP_CIPHER_gettable_ctx_params(cipher),
              EVP_CIPHER_settable_ctx_params(cipher),
              meta);
}

static void do_digest(EVP_MD *digest, void *meta)
{
    do_method(digest, collect_digest_names,
              EVP_MD_gettable_params(digest),
              EVP_MD_gettable_ctx_params(digest),
              EVP_MD_settable_ctx_params(digest),
              meta);
}

static void do_mac(EVP_MAC *mac, void *meta)
{
    do_method(mac, collect_mac_names,
              EVP_MAC_gettable_params(mac),
              EVP_MAC_gettable_ctx_params(mac),
              EVP_MAC_settable_ctx_params(mac),
              meta);
}

static void do_keymgmt(EVP_KEYMGMT *keymgmt, void *meta)
{
    do_method(keymgmt, collect_keymgmt_names,
/*
 * TODO(3.0) Enable when KEYMGMT and KEYEXCH have gettables and settables
 */
#if 0
              EVP_KEYMGMT_gettable_params(keymgmt),
              EVP_KEYMGMT_gettable_ctx_params(keymgmt),
              EVP_KEYMGMT_settable_ctx_params(keymgmt),
#else
              NULL, NULL, NULL,
#endif
              meta);
}

static void do_keyexch(EVP_KEYEXCH *keyexch, void *meta)
{
    do_method(keyexch, collect_keyexch_names,
/*
 * TODO(3.0) Enable when KEYMGMT and KEYEXCH have gettables and settables
 */
#if 0
              EVP_KEYEXCH_gettable_params(keyexch),
              EVP_KEYEXCH_gettable_ctx_params(keyexch),
              EVP_KEYEXCH_settable_ctx_params(keyexch),
#else
              NULL, NULL, NULL,
#endif
              meta);
}

static void do_signature(EVP_SIGNATURE *signature, void *meta)
{
    do_method(signature, collect_signature_names,
/*
 * TODO(3.0) Enable when KEYMGMT and SIGNATURE have gettables and settables
 */
#if 0
              EVP_SIGNATURE_gettable_params(signature),
              EVP_SIGNATURE_gettable_ctx_params(signature),
              EVP_SIGNATURE_settable_ctx_params(signature),
#else
              NULL, NULL, NULL,
#endif
              meta);
}

int provider_main(int argc, char **argv)
{
    int ret = 1, i;
    int verbose = 0;
    STACK_OF(OPENSSL_CSTRING) *providers = sk_OPENSSL_CSTRING_new_null();
    OPTION_CHOICE o;
    char *prog;

    prog = opt_init(argc, argv, provider_options);
    while ((o = opt_next()) != OPT_EOF) {
        switch (o) {
        default: /* Catching OPT_ERR & covering OPT_EOF which isn't possible */
            BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
            goto end;
        case OPT_HELP:
            opt_help(provider_options);
            ret = 0;
            goto end;
        case OPT_VVV:
        case OPT_VV:
        case OPT_V:
            /* Convert to an integer from one to four. */
            i = (int)(o - OPT_V) + 1;
            if (verbose < i)
                verbose = i;
            break;
        }
    }

    /* Allow any trailing parameters as provider names. */
    argc = opt_num_rest();
    argv = opt_rest();
    for ( ; *argv; argv++) {
        if (**argv == '-') {
            BIO_printf(bio_err, "%s: Cannot mix flags and provider names.\n",
                       prog);
            BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
            goto end;
        }
        sk_OPENSSL_CSTRING_push(providers, *argv);
    }

    ret = 0;
    for (i = 0; i < sk_OPENSSL_CSTRING_num(providers); i++) {
        const char *name = sk_OPENSSL_CSTRING_value(providers, i);
        OSSL_PROVIDER *prov = OSSL_PROVIDER_load(NULL, name);

        if (prov != NULL) {
            BIO_printf(bio_out, verbose == 0 ? "%s\n" :  "[ %s ]\n", name);

            if (verbose > 0) {
                META data;

                data.total = 0;
                data.first = 1;
                data.verbose = verbose;
                data.prov = prov;
                data.fn = print_caps;

                switch (verbose) {
                case 1:
                    BIO_printf(bio_out, "    ");
                    break;
                case 2:
                    data.indent = 4;
                    break;
                case 3:
                default:
                    data.indent = 4;
                    data.subindent = 10;
                    break;
                }

                if (verbose > 1) {
                    data.first = 1;
                    data.label = "Cipher";
                }
                EVP_CIPHER_do_all_provided(NULL, do_cipher, &data);
                if (verbose > 1) {
                    data.first = 1;
                    data.label = "Digest";
                }
                EVP_MD_do_all_provided(NULL, do_digest, &data);
                if (verbose > 1) {
                    data.first = 1;
                    data.label = "MAC";
                }
                EVP_MAC_do_all_provided(NULL, do_mac, &data);

                if (verbose > 1) {
                    data.first = 1;
                    data.label = "Key manager";
                }
                EVP_KEYMGMT_do_all_provided(NULL, do_keymgmt, &data);
                if (verbose > 1) {
                    data.first = 1;
                    data.label = "Key exchange";
                }
                EVP_KEYEXCH_do_all_provided(NULL, do_keyexch, &data);
                if (verbose > 1) {
                    data.first = 1;
                    data.label = "Signature";
                }
                EVP_SIGNATURE_do_all_provided(NULL, do_signature, &data);

                switch (verbose) {
                default:
                    break;
                case 2:
                case 1:
                    BIO_printf(bio_out, "\n");
                    break;
                }
            }
            OSSL_PROVIDER_unload(prov);
        } else {
            ERR_print_errors(bio_err);
            ret = 1;
            /*
             * Just because one provider module failed, there's no reason to
             * stop, if there are more to try.
             */
        }
    }

 end:

    ERR_print_errors(bio_err);
    sk_OPENSSL_CSTRING_free(providers);
    return ret;
}
Commit	Line	Data
18d307e9 RL	1	/*
	2	* Copyright 2019 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	#include <openssl/opensslconf.h>
	11
	12	#include "apps.h"
	13	#include "app_params.h"
	14	#include "progs.h"
031873fe	15	#include "names.h"
18d307e9 RL	16	#include <openssl/err.h>
	17	#include <openssl/evp.h>
	18	#include <openssl/safestack.h>
	19	#include <openssl/provider.h>
	20	#include <openssl/core.h>
	21	#include <openssl/core_numbers.h>
	22
	23	typedef enum OPTION_choice {
	24	OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
	25	OPT_V = 100, OPT_VV, OPT_VVV
	26	} OPTION_CHOICE;
	27
	28	const OPTIONS provider_options[] = {
	29	{OPT_HELP_STR, 1, '-', "Usage: %s [options] provider...\n"},
	30	{OPT_HELP_STR, 1, '-', " provider... Providers to load\n"},
5388f986 RS	31
5388f986 RS	32	OPT_SECTION("General"),
18d307e9	33	{"help", OPT_HELP, '-', "Display this summary"},
5388f986 RS	34
5388f986 RS	35	OPT_SECTION("Output"),
18d307e9 RL	36	{"v", OPT_V, '-', "List the algorithm names of specified provider"},
	37	{"vv", OPT_VV, '-', "List the algorithm names of specified providers,"},
	38	{OPT_MORE_STR, 0, '-', "categorised by operation type"},
	39	{"vvv", OPT_VVV, '-', "List the algorithm names of specified provider"},
	40	{OPT_MORE_STR, 0, '-', "one at a time, and list all known parameters"},
	41	{NULL}
	42	};
	43
	44	typedef struct info_st INFO;
	45	typedef struct meta_st META;
	46
	47	struct info_st {
031873fe	48	void (collect_names_fn)(void method, STACK_OF(OPENSSL_CSTRING) *names);
18d307e9 RL	49	void *method;
	50	const OSSL_PARAM *gettable_params;
	51	const OSSL_PARAM *gettable_ctx_params;
	52	const OSSL_PARAM *settable_ctx_params;
	53	};
	54
	55	struct meta_st {
	56	int first; /* For prints */
	57	int total;
	58	int indent;
	59	int subindent;
	60	int verbose;
	61	const char *label;
	62	OSSL_PROVIDER *prov;
	63	void (fn)(META meta, INFO *info);
	64	};
	65
031873fe RL	66	static void collect_cipher_names(void *method,
	67	STACK_OF(OPENSSL_CSTRING) *names)
	68	{
	69	EVP_CIPHER_names_do_all(method, collect_names, names);
	70	}
	71
	72	static void collect_digest_names(void *method,
	73	STACK_OF(OPENSSL_CSTRING) *names)
	74	{
	75	EVP_MD_names_do_all(method, collect_names, names);
	76	}
	77
	78	static void collect_mac_names(void *method,
	79	STACK_OF(OPENSSL_CSTRING) *names)
	80	{
	81	EVP_MAC_names_do_all(method, collect_names, names);
	82	}
	83
	84	static void collect_keymgmt_names(void *method,
	85	STACK_OF(OPENSSL_CSTRING) *names)
	86	{
	87	EVP_KEYMGMT_names_do_all(method, collect_names, names);
	88	}
	89
	90	static void collect_keyexch_names(void *method,
	91	STACK_OF(OPENSSL_CSTRING) *names)
	92	{
	93	EVP_KEYEXCH_names_do_all(method, collect_names, names);
	94	}
	95
	96	static void collect_signature_names(void *method,
	97	STACK_OF(OPENSSL_CSTRING) *names)
	98	{
	99	EVP_SIGNATURE_names_do_all(method, collect_names, names);
	100	}
	101
	102	static void print_method_names(BIO out, INFO info)
	103	{
	104	STACK_OF(OPENSSL_CSTRING) *names = sk_OPENSSL_CSTRING_new(name_cmp);
	105
	106	info->collect_names_fn(info->method, names);
	107	print_names(out, names);
	108	sk_OPENSSL_CSTRING_free(names);
	109	}
	110
18d307e9 RL	111	static void print_caps(META meta, INFO info)
	112	{
	113	switch (meta->verbose) {
	114	case 1:
031873fe RL	115	if (!meta->first)
	116	BIO_printf(bio_out, "; ");
	117	print_method_names(bio_out, info);
18d307e9 RL	118	break;
	119	case 2:
	120	if (meta->first) {
	121	if (meta->total > 0)
	122	BIO_printf(bio_out, "\n");
c92d0c5c	123	BIO_printf(bio_out, "%*s%ss:", meta->indent, "", meta->label);
18d307e9	124	}
031873fe RL	125	BIO_printf(bio_out, " ");
031873fe RL	126	print_method_names(bio_out, info);
18d307e9 RL	127	break;
	128	case 3:
	129	default:
031873fe RL	130	BIO_printf(bio_out, "%*s%s ", meta->indent, "", meta->label);
	131	print_method_names(bio_out, info);
	132	BIO_printf(bio_out, "\n");
18d307e9 RL	133	print_param_types("retrievable algorithm parameters",
	134	info->gettable_params, meta->subindent);
	135	print_param_types("retrievable operation parameters",
	136	info->gettable_ctx_params, meta->subindent);
	137	print_param_types("settable operation parameters",
	138	info->settable_ctx_params, meta->subindent);
	139	break;
	140	}
	141	meta->first = 0;
	142	}
	143
031873fe RL	144	static void do_method(void *method,
	145	void (collect_names_fn)(void method,
	146	STACK_OF(OPENSSL_CSTRING) *names),
18d307e9 RL	147	const OSSL_PARAM *gettable_params,
	148	const OSSL_PARAM *gettable_ctx_params,
	149	const OSSL_PARAM *settable_ctx_params,
	150	META *meta)
	151	{
	152	INFO info;
	153
031873fe	154	info.collect_names_fn = collect_names_fn;
18d307e9 RL	155	info.method = method;
	156	info.gettable_params = gettable_params;
	157	info.gettable_ctx_params = gettable_ctx_params;
	158	info.settable_ctx_params = settable_ctx_params;
	159	meta->fn(meta, &info);
	160	meta->total++;
	161	}
	162
	163	static void do_cipher(EVP_CIPHER cipher, void meta)
	164	{
031873fe	165	do_method(cipher, collect_cipher_names,
18d307e9	166	EVP_CIPHER_gettable_params(cipher),
41f7ecf3 P	167	EVP_CIPHER_gettable_ctx_params(cipher),
41f7ecf3 P	168	EVP_CIPHER_settable_ctx_params(cipher),
18d307e9 RL	169	meta);
	170	}
	171
	172	static void do_digest(EVP_MD digest, void meta)
	173	{
031873fe	174	do_method(digest, collect_digest_names,
18d307e9	175	EVP_MD_gettable_params(digest),
e6879a31 MC	176	EVP_MD_gettable_ctx_params(digest),
e6879a31 MC	177	EVP_MD_settable_ctx_params(digest),
18d307e9 RL	178	meta);
	179	}
	180
	181	static void do_mac(EVP_MAC mac, void meta)
	182	{
031873fe	183	do_method(mac, collect_mac_names,
18d307e9	184	EVP_MAC_gettable_params(mac),
41f7ecf3 P	185	EVP_MAC_gettable_ctx_params(mac),
41f7ecf3 P	186	EVP_MAC_settable_ctx_params(mac),
18d307e9 RL	187	meta);
	188	}
	189
031873fe RL	190	static void do_keymgmt(EVP_KEYMGMT keymgmt, void meta)
	191	{
	192	do_method(keymgmt, collect_keymgmt_names,
18d307e9 RL	193	/*
	194	* TODO(3.0) Enable when KEYMGMT and KEYEXCH have gettables and settables
	195	*/
	196	#if 0
18d307e9 RL	197	EVP_KEYMGMT_gettable_params(keymgmt),
	198	EVP_KEYMGMT_gettable_ctx_params(keymgmt),
	199	EVP_KEYMGMT_settable_ctx_params(keymgmt),
031873fe RL	200	#else
	201	NULL, NULL, NULL,
	202	#endif
18d307e9 RL	203	meta);
	204	}
	205
	206	static void do_keyexch(EVP_KEYEXCH keyexch, void meta)
	207	{
031873fe RL	208	do_method(keyexch, collect_keyexch_names,
	209	/*
	210	* TODO(3.0) Enable when KEYMGMT and KEYEXCH have gettables and settables
	211	*/
	212	#if 0
18d307e9 RL	213	EVP_KEYEXCH_gettable_params(keyexch),
	214	EVP_KEYEXCH_gettable_ctx_params(keyexch),
	215	EVP_KEYEXCH_settable_ctx_params(keyexch),
031873fe RL	216	#else
	217	NULL, NULL, NULL,
	218	#endif
18d307e9 RL	219	meta);
18d307e9 RL	220	}
031873fe RL	221
	222	static void do_signature(EVP_SIGNATURE signature, void meta)
	223	{
	224	do_method(signature, collect_signature_names,
	225	/*
	226	* TODO(3.0) Enable when KEYMGMT and SIGNATURE have gettables and settables
	227	*/
	228	#if 0
	229	EVP_SIGNATURE_gettable_params(signature),
	230	EVP_SIGNATURE_gettable_ctx_params(signature),
	231	EVP_SIGNATURE_settable_ctx_params(signature),
	232	#else
	233	NULL, NULL, NULL,
18d307e9	234	#endif
031873fe RL	235	meta);
031873fe RL	236	}
18d307e9 RL	237
	238	int provider_main(int argc, char **argv)
	239	{
	240	int ret = 1, i;
	241	int verbose = 0;
	242	STACK_OF(OPENSSL_CSTRING) *providers = sk_OPENSSL_CSTRING_new_null();
	243	OPTION_CHOICE o;
	244	char *prog;
	245
	246	prog = opt_init(argc, argv, provider_options);
	247	while ((o = opt_next()) != OPT_EOF) {
	248	switch (o) {
7964e370	249	default: /* Catching OPT_ERR & covering OPT_EOF which isn't possible */
18d307e9 RL	250	BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
	251	goto end;
	252	case OPT_HELP:
	253	opt_help(provider_options);
	254	ret = 0;
	255	goto end;
	256	case OPT_VVV:
	257	case OPT_VV:
	258	case OPT_V:
	259	/* Convert to an integer from one to four. */
	260	i = (int)(o - OPT_V) + 1;
	261	if (verbose < i)
	262	verbose = i;
	263	break;
	264	}
	265	}
	266
	267	/* Allow any trailing parameters as provider names. */
	268	argc = opt_num_rest();
	269	argv = opt_rest();
	270	for ( ; *argv; argv++) {
	271	if (**argv == '-') {
	272	BIO_printf(bio_err, "%s: Cannot mix flags and provider names.\n",
	273	prog);
	274	BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
	275	goto end;
	276	}
	277	sk_OPENSSL_CSTRING_push(providers, *argv);
	278	}
	279
	280	ret = 0;
	281	for (i = 0; i < sk_OPENSSL_CSTRING_num(providers); i++) {
	282	const char *name = sk_OPENSSL_CSTRING_value(providers, i);
	283	OSSL_PROVIDER *prov = OSSL_PROVIDER_load(NULL, name);
	284
	285	if (prov != NULL) {
	286	BIO_printf(bio_out, verbose == 0 ? "%s\n" : "[ %s ]\n", name);
	287
	288	if (verbose > 0) {
	289	META data;
	290
	291	data.total = 0;
	292	data.first = 1;
	293	data.verbose = verbose;
	294	data.prov = prov;
	295	data.fn = print_caps;
	296
	297	switch (verbose) {
	298	case 1:
	299	BIO_printf(bio_out, " ");
	300	break;
	301	case 2:
	302	data.indent = 4;
	303	break;
	304	case 3:
	305	default:
	306	data.indent = 4;
	307	data.subindent = 10;
	308	break;
	309	}
	310
	311	if (verbose > 1) {
	312	data.first = 1;
	313	data.label = "Cipher";
314	}
031873fe	315	EVP_CIPHER_do_all_provided(NULL, do_cipher, &data);
18d307e9 RL	316	if (verbose > 1) {
	317	data.first = 1;
	318	data.label = "Digest";
	319	}
031873fe	320	EVP_MD_do_all_provided(NULL, do_digest, &data);
18d307e9 RL	321	if (verbose > 1) {
	322	data.first = 1;
	323	data.label = "MAC";
	324	}
031873fe	325	EVP_MAC_do_all_provided(NULL, do_mac, &data);
18d307e9	326
18d307e9 RL	327	if (verbose > 1) {
	328	data.first = 1;
	329	data.label = "Key manager";
	330	}
031873fe	331	EVP_KEYMGMT_do_all_provided(NULL, do_keymgmt, &data);
18d307e9 RL	332	if (verbose > 1) {
	333	data.first = 1;
	334	data.label = "Key exchange";
	335	}
031873fe RL	336	EVP_KEYEXCH_do_all_provided(NULL, do_keyexch, &data);
	337	if (verbose > 1) {
	338	data.first = 1;
	339	data.label = "Signature";
	340	}
	341	EVP_SIGNATURE_do_all_provided(NULL, do_signature, &data);
18d307e9 RL	342
	343	switch (verbose) {
	344	default:
	345	break;
	346	case 2:
	347	case 1:
	348	BIO_printf(bio_out, "\n");
	349	break;
	350	}
	351	}
	352	OSSL_PROVIDER_unload(prov);
	353	} else {
	354	ERR_print_errors(bio_err);
	355	ret = 1;
	356	/*
	357	* Just because one provider module failed, there's no reason to
	358	* stop, if there are more to try.
	359	*/
	360	}
	361	}
	362
	363	end:
	364
	365	ERR_print_errors(bio_err);
	366	sk_OPENSSL_CSTRING_free(providers);
	367	return ret;
	368	}