2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
5 /* ====================================================================
6 * Copyright (c) 2008 The OpenSSL Project. All rights reserved.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
20 * 3. All advertising materials mentioning features or use of this
21 * software must display the following acknowledgment:
22 * "This product includes software developed by the OpenSSL Project
23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26 * endorse or promote products derived from this software without
27 * prior written permission. For written permission, please contact
28 * licensing@OpenSSL.org.
30 * 5. Products derived from this software may not be called "OpenSSL"
31 * nor may "OpenSSL" appear in their names without prior written
32 * permission of the OpenSSL Project.
34 * 6. Redistributions of any form whatsoever must retain the following
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50 * OF THE POSSIBILITY OF SUCH DAMAGE.
51 * ====================================================================
57 #include <openssl/crypto.h>
58 #include <openssl/buffer.h>
59 #include <openssl/engine.h>
60 #include <openssl/rsa.h>
61 #include <openssl/bn.h>
62 #include <openssl/pem.h>
64 #ifdef OPENSSL_SYS_WIN32
65 #ifndef OPENSSL_NO_CAPIENG
68 #define _WIN32_WINNT 0x400
74 #include "e_capi_err.h"
75 #include "e_capi_err.c"
78 static const char *engine_capi_id = "capi";
79 static const char *engine_capi_name = "CryptoAPI ENGINE";
81 typedef struct CAPI_CTX_st CAPI_CTX;
82 typedef struct CAPI_KEY_st CAPI_KEY;
84 static void capi_addlasterror(void);
85 static void capi_adderror(DWORD err);
87 static void CAPI_trace(CAPI_CTX *ctx, char *format, ...);
89 static int capi_list_providers(CAPI_CTX *ctx, BIO *out);
90 static int capi_list_containers(CAPI_CTX *ctx, BIO *out);
91 int capi_list_certs(CAPI_CTX *ctx, BIO *out, char *storename);
92 void capi_free_key(CAPI_KEY *key);
94 static PCCERT_CONTEXT capi_find_cert(CAPI_CTX *ctx, const char *id, HCERTSTORE hstore);
96 CAPI_KEY *capi_find_key(CAPI_CTX *ctx, const char *id);
98 static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id,
99 UI_METHOD *ui_method, void *callback_data);
100 static int capi_rsa_sign(int dtype, const unsigned char *m, unsigned int m_len,
101 unsigned char *sigret, unsigned int *siglen, const RSA *rsa);
102 static int capi_rsa_priv_enc(int flen, const unsigned char *from,
103 unsigned char *to, RSA *rsa, int padding);
104 static int capi_rsa_priv_dec(int flen, const unsigned char *from,
105 unsigned char *to, RSA *rsa, int padding);
106 static int capi_rsa_free(RSA *rsa);
108 /* This structure contains CAPI ENGINE specific data:
109 * it contains various global options and affects how
110 * other functions behave.
113 #define CAPI_DBG_TRACE 2
114 #define CAPI_DBG_ERROR 1
119 /* Parameters to use for container lookup */
123 /* Certificate store name to use */
126 /* Lookup string meanings in load_private_key */
127 /* Substring of subject: uses "storename" */
128 #define CAPI_LU_SUBSTR 0
129 /* Friendly name: uses storename */
130 #define CAPI_LU_FNAME 1
131 /* Container name: uses cspname, keytype */
132 #define CAPI_LU_CONTNAME 2
134 /* Info to dump with dumpcerts option */
135 /* Issuer and serial name strings */
136 #define CAPI_DMP_SUMMARY 0x1
138 #define CAPI_DMP_FNAME 0x2
139 /* Full X509_print dump */
140 #define CAPI_DMP_FULL 0x4
141 /* Dump PEM format certificate */
142 #define CAPI_DMP_PEM 0x8
143 /* Dump pseudo key (if possible) */
144 #define CAPI_DMP_PSKEY 0x10
145 /* Dump key info (if possible) */
146 #define CAPI_DMP_PKEYINFO 0x20
152 static CAPI_CTX *capi_ctx_new();
153 static void capi_ctx_free(CAPI_CTX *ctx);
154 static int capi_ctx_set_provname(CAPI_CTX *ctx, LPSTR pname, DWORD type, int check);
155 static int capi_ctx_set_provname_idx(CAPI_CTX *ctx, int idx);
157 #define CAPI_CMD_LIST_CERTS ENGINE_CMD_BASE
158 #define CAPI_CMD_LOOKUP_CERT (ENGINE_CMD_BASE + 1)
159 #define CAPI_CMD_DEBUG_LEVEL (ENGINE_CMD_BASE + 2)
160 #define CAPI_CMD_DEBUG_FILE (ENGINE_CMD_BASE + 3)
161 #define CAPI_CMD_KEYTYPE (ENGINE_CMD_BASE + 4)
162 #define CAPI_CMD_LIST_CSPS (ENGINE_CMD_BASE + 5)
163 #define CAPI_CMD_SET_CSP_IDX (ENGINE_CMD_BASE + 6)
164 #define CAPI_CMD_SET_CSP_NAME (ENGINE_CMD_BASE + 7)
165 #define CAPI_CMD_SET_CSP_TYPE (ENGINE_CMD_BASE + 8)
166 #define CAPI_CMD_LIST_CONTAINERS (ENGINE_CMD_BASE + 9)
167 #define CAPI_CMD_LIST_OPTIONS (ENGINE_CMD_BASE + 10)
168 #define CAPI_CMD_LOOKUP_METHOD (ENGINE_CMD_BASE + 11)
170 static const ENGINE_CMD_DEFN capi_cmd_defns[] = {
171 {CAPI_CMD_LIST_CERTS,
173 "List all certificates in store",
174 ENGINE_CMD_FLAG_NO_INPUT},
175 {CAPI_CMD_LOOKUP_CERT,
177 "Lookup and output certificates",
178 ENGINE_CMD_FLAG_STRING},
179 {CAPI_CMD_DEBUG_LEVEL,
181 "debug level (1=errors, 2=trace)",
182 ENGINE_CMD_FLAG_NUMERIC},
183 {CAPI_CMD_DEBUG_FILE,
185 "debugging filename)",
186 ENGINE_CMD_FLAG_STRING},
189 "Key type: 1=AT_KEYEXCHANGE (default), 2=AT_SIGNATURE",
190 ENGINE_CMD_FLAG_NUMERIC},
194 ENGINE_CMD_FLAG_NO_INPUT},
195 {CAPI_CMD_SET_CSP_IDX,
198 ENGINE_CMD_FLAG_NUMERIC},
199 {CAPI_CMD_SET_CSP_NAME,
201 "Set CSP name, (default CSP used if not specified)",
202 ENGINE_CMD_FLAG_STRING},
203 {CAPI_CMD_SET_CSP_TYPE,
205 "Set CSP type, (default RSA_PROV_FULL)",
206 ENGINE_CMD_FLAG_NUMERIC},
207 {CAPI_CMD_LIST_CONTAINERS,
209 "list container names",
210 ENGINE_CMD_FLAG_NO_INPUT},
211 {CAPI_CMD_LIST_OPTIONS,
213 "Set list options (1=summary,2=friendly name, 4=full printout, 8=PEM output, 16=XXX, "
214 "32=private key info)",
215 ENGINE_CMD_FLAG_NUMERIC},
216 {CAPI_CMD_LOOKUP_METHOD,
218 "Set key lookup method (1=substring, 2=friendlyname, 3=container name)",
219 ENGINE_CMD_FLAG_NUMERIC},
224 static int capi_idx = -1;
225 static int rsa_capi_idx = -1;
226 static int dsa_capi_idx = -1;
228 static int capi_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void))
235 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_ENGINE_NOT_INITIALIZED);
238 ctx = ENGINE_get_ex_data(e, capi_idx);
239 out = BIO_new_fp(stdout, BIO_NOCLOSE);
242 case CAPI_CMD_LIST_CSPS:
243 ret = capi_list_providers(ctx, out);
246 case CAPI_CMD_LIST_CERTS:
247 ret = capi_list_certs(ctx, out, NULL);
250 case CAPI_CMD_LOOKUP_CERT:
251 ret = capi_list_certs(ctx, out, p);
254 case CAPI_CMD_LIST_CONTAINERS:
255 ret = capi_list_containers(ctx, out);
258 case CAPI_CMD_DEBUG_LEVEL:
259 ctx->debug_level = (int)i;
260 CAPI_trace(ctx, "Setting debug level to %d\n", ctx->debug_level);
263 case CAPI_CMD_DEBUG_FILE:
264 ctx->debug_file = BUF_strdup(p);
265 CAPI_trace(ctx, "Setting debug file to %s\n", ctx->debug_file);
268 case CAPI_CMD_KEYTYPE:
270 CAPI_trace(ctx, "Setting key type to %d\n", ctx->keytype);
273 case CAPI_CMD_SET_CSP_IDX:
274 ret = capi_ctx_set_provname_idx(ctx, i);
277 case CAPI_CMD_LIST_OPTIONS:
281 case CAPI_CMD_LOOKUP_METHOD:
284 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_INVALID_LOOKUP_METHOD);
287 ctx->lookup_method = i;
290 case CAPI_CMD_SET_CSP_NAME:
291 ret = capi_ctx_set_provname(ctx, p, ctx->csptype, 1);
294 case CAPI_CMD_SET_CSP_TYPE:
299 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_UNKNOWN_COMMAND);
308 static RSA_METHOD capi_rsa_method =
310 "CryptoAPI RSA method",
313 capi_rsa_priv_enc, /* priv_enc */
314 capi_rsa_priv_dec, /* priv_dec */
318 capi_rsa_free, /* finish */
319 RSA_FLAG_SIGN_VER, /* flags */
321 capi_rsa_sign, /* rsa_sign */
325 static void capi_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad,
326 int ind,long argl, void *argp)
328 /*fprintf(stderr, "Called capi_ex_free obj=%lx, idx=%d, item=%lx\n", obj, ind, item);*/
332 static void capi_rsa_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad,
333 int ind,long argl, void *argp)
335 /*fprintf(stderr, "Called capi_rsa_free_key\n");*/
340 static int capi_init(ENGINE *e)
343 const RSA_METHOD *ossl_meth;
344 capi_idx = ENGINE_get_ex_new_index(0, NULL, NULL, NULL, /*capi_ex_free*/ 0);
346 ctx = capi_ctx_new();
347 if (!ctx || (capi_idx < 0))
350 ENGINE_set_ex_data(e, capi_idx, ctx);
351 /* Setup RSA_METHOD */
352 rsa_capi_idx = RSA_get_ex_new_index(0, NULL, NULL, NULL, /*capi_rsa_ex_free*/ 0);
353 dsa_capi_idx = DSA_get_ex_new_index(0, NULL, NULL, NULL, /*capi_rsa_ex_free*/ 0);
354 ossl_meth = RSA_PKCS1_SSLeay();
355 capi_rsa_method.rsa_pub_enc = ossl_meth->rsa_pub_enc;
356 capi_rsa_method.rsa_pub_dec = ossl_meth->rsa_pub_dec;
357 capi_rsa_method.rsa_mod_exp = ossl_meth->rsa_mod_exp;
358 capi_rsa_method.bn_mod_exp = ossl_meth->bn_mod_exp;
363 CAPIerr(CAPI_F_CAPI_INIT, ERR_R_MALLOC_FAILURE);
369 static int capi_destroy(ENGINE *e)
372 ERR_unload_CAPI_strings();
376 static int capi_finish(ENGINE *e)
379 ctx = ENGINE_get_ex_data(e, capi_idx);
381 ENGINE_set_ex_data(e, capi_idx, NULL);
386 /* CryptoAPI key application data. This contains
387 * a handle to the private key container (for sign operations)
388 * and a handle to the key (for decrypt operations).
397 static int bind_capi(ENGINE *e)
399 if (!ENGINE_set_id(e, engine_capi_id)
400 || !ENGINE_set_name(e, engine_capi_name)
401 || !ENGINE_set_init_function(e, capi_init)
402 || !ENGINE_set_finish_function(e, capi_finish)
403 || !ENGINE_set_destroy_function(e, capi_destroy)
404 || !ENGINE_set_RSA(e, &capi_rsa_method)
405 || !ENGINE_set_load_privkey_function(e, capi_load_privkey)
406 || !ENGINE_set_cmd_defns(e, capi_cmd_defns)
407 || !ENGINE_set_ctrl_function(e, capi_ctrl))
409 ERR_load_CAPI_strings();
415 #ifndef OPENSSL_NO_DYNAMIC_ENGINE
416 static int bind_helper(ENGINE *e, const char *id)
418 if(id && (strcmp(id, engine_capi_id) != 0))
424 IMPLEMENT_DYNAMIC_CHECK_FN()
425 IMPLEMENT_DYNAMIC_BIND_FN(bind_helper)
427 static ENGINE *engine_capi(void)
429 ENGINE *ret = ENGINE_new();
440 void ENGINE_load_capi(void)
442 /* Copied from eng_[openssl|dyn].c */
443 ENGINE *toadd = engine_capi();
452 static int lend_tobn(BIGNUM *bn, unsigned char *bin, int binlen)
455 /* Reverse buffer in place: since this is a keyblob structure
456 * that will be freed up after conversion anyway it doesn't
457 * matter if we change it.
459 for(i = 0; i < binlen / 2; i++)
463 bin[i] = bin[binlen - i - 1];
464 bin[binlen - i - 1] = c;
467 if (!BN_bin2bn(bin, binlen, bn))
472 static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id,
473 UI_METHOD *ui_method, void *callback_data)
475 EVP_PKEY *ret = NULL;
478 unsigned char *pubkey = NULL;
483 ctx = ENGINE_get_ex_data(eng, capi_idx);
487 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_CANT_FIND_CAPI_CONTEXT);
491 key = capi_find_key(ctx, key_id);
497 if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, NULL, &len))
499 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_PUBKEY_EXPORT_LENGTH_ERROR);
504 pubkey = OPENSSL_malloc(len);
509 if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, pubkey, &len))
511 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_PUBKEY_EXPORT_ERROR);
516 bh = (BLOBHEADER *)pubkey;
517 if (bh->bType != PUBLICKEYBLOB)
519 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_INVALID_PUBLIC_KEY_BLOB);
522 if (bh->aiKeyAlg == CALG_RSA_SIGN || bh->aiKeyAlg == CALG_RSA_KEYX)
526 unsigned char *rsa_modulus;
527 rp = (RSAPUBKEY *)(bh + 1);
528 if (rp->magic != 0x31415352)
530 fprintf(stderr, "Invalid blob Magic %x\n",
534 rsa_modulus = (unsigned char *)(rp + 1);
535 rkey = RSA_new_method(eng);
542 if (!rkey->e || !rkey->n)
545 if (!BN_set_word(rkey->e, rp->pubexp))
548 rsa_modlen = rp->bitlen / 8;
549 if (!lend_tobn(rkey->n, rsa_modulus, rsa_modlen))
552 RSA_set_ex_data(rkey, rsa_capi_idx, key);
554 if (!(ret = EVP_PKEY_new()))
557 EVP_PKEY_assign_RSA(ret, rkey);
561 else if (bh->aiKeyAlg == CALG_DSS_SIGN)
566 dp = (DSSPUBKEY *)(bh + 1);
567 if (dp->magic != 0x31535344)
569 fprintf(stderr, "Invalid blob Magic %x\n",
573 dsa_plen = dp->bitlen / 8;
574 btmp = (unsigned char *)(dp + 1);
581 dkey->pub_key = BN_new();
582 if (!dkey->p || !dkey->q || !dkey->g || !dkey->pub_key)
584 if (!lend_tobn(dkey->p, btmp, dsa_plen))
587 if (!lend_tobn(dkey->q, btmp, 20))
590 if (!lend_tobn(dkey->g, btmp, dsa_plen))
593 if (!lend_tobn(dkey->pub_key, btmp, dsa_plen))
597 DSA_set_ex_data(dkey, dsa_capi_idx, key);
599 if (!(ret = EVP_PKEY_new()))
602 EVP_PKEY_assign_DSA(ret, dkey);
607 BIO_dump_fp(stderr, pubkey, len);
608 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_UNSUPPORTED_PUBLIC_KEY_ALGORITHM);
614 OPENSSL_free(pubkey);
628 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, ERR_R_MALLOC_FAILURE);
633 /* CryptoAPI RSA operations */
635 int capi_rsa_priv_enc(int flen, const unsigned char *from,
636 unsigned char *to, RSA *rsa, int padding)
638 CAPIerr(CAPI_F_CAPI_RSA_PRIV_ENC, CAPI_R_FUNCTION_NOT_SUPPORTED);
642 int capi_rsa_sign(int dtype, const unsigned char *m, unsigned int m_len,
643 unsigned char *sigret, unsigned int *siglen, const RSA *rsa)
653 ctx = ENGINE_get_ex_data(rsa->engine, capi_idx);
655 CAPI_trace(ctx, "Called CAPI_rsa_sign()\n");
657 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
660 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_GET_KEY);
663 /* Convert the signature type to a CryptoAPI algorithm ID */
674 alg = CALG_SSL3_SHAMD5;
679 sprintf(algstr, "%lx", dtype);
680 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_UNSUPPORTED_ALGORITHM_NID);
681 ERR_add_error_data(2, "NID=0x", algstr);
688 /* Create the hash object */
689 if(!CryptCreateHash(capi_key->hprov, alg, 0, 0, &hash)) {
690 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT);
694 /* Set the hash value to the value passed */
696 if(!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)m, 0)) {
697 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_SET_HASH_VALUE);
703 /* Finally sign it */
704 slen = RSA_size(rsa);
705 if(!CryptSignHash(hash, AT_KEYEXCHANGE, NULL, 0, sigret, &slen)) {
706 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_ERROR_SIGNING_HASH);
711 /* Inplace byte reversal of signature */
712 for(i = 0; i < slen / 2; i++) {
715 sigret[i] = sigret[slen - i - 1];
716 sigret[slen - i - 1] = c;
725 CryptDestroyHash(hash);
730 int capi_rsa_priv_dec(int flen, const unsigned char *from,
731 unsigned char *to, RSA *rsa, int padding)
734 unsigned char *tmpbuf;
737 ctx = ENGINE_get_ex_data(rsa->engine, capi_idx);
739 CAPI_trace(ctx, "Called capi_rsa_priv_dec()\n");
742 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
745 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_CANT_GET_KEY);
749 if(padding != RSA_PKCS1_PADDING)
752 sprintf(errstr, "%d", padding);
753 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_UNSUPPORTED_PADDING);
754 ERR_add_error_data(2, "padding=", errstr);
758 /* Create temp reverse order version of input */
759 if(!(tmpbuf = OPENSSL_malloc(flen)) )
761 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, ERR_R_MALLOC_FAILURE);
764 for(i = 0; i < flen; i++) tmpbuf[flen - i - 1] = from[i];
766 /* Finally decrypt it */
767 if(!CryptDecrypt(capi_key->key, 0, TRUE, 0, tmpbuf, &flen))
769 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_DECRYPT_ERROR);
771 OPENSSL_free(tmpbuf);
774 else memcpy(to, tmpbuf, flen);
776 OPENSSL_free(tmpbuf);
781 static int capi_rsa_free(RSA *rsa)
784 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
785 capi_free_key(capi_key);
786 RSA_set_ex_data(rsa, rsa_capi_idx, 0);
790 static void capi_vtrace(CAPI_CTX *ctx, int level, char *format, va_list argptr)
794 if (!ctx || (ctx->debug_level < level) || (!ctx->debug_file))
796 out = BIO_new_file(ctx->debug_file, "a+");
797 BIO_vprintf(out, format, argptr);
801 static void CAPI_trace(CAPI_CTX *ctx, char *format, ...)
804 va_start(args, format);
805 capi_vtrace(ctx, CAPI_DBG_TRACE, format, args);
809 static void capi_addlasterror(void)
811 capi_adderror(GetLastError());
814 static void capi_adderror(DWORD err)
817 sprintf(errstr, "%lX", err);
818 ERR_add_error_data(2, "Error code= 0x", errstr);
821 static char *wide_to_asc(LPWSTR wstr)
826 str = OPENSSL_malloc(wcslen(wstr) + 1);
829 CAPIerr(CAPI_F_WIDE_TO_ASC, ERR_R_MALLOC_FAILURE);
832 sprintf(str, "%S", wstr);
836 static int capi_get_provname(CAPI_CTX *ctx, LPSTR *pname, DWORD *ptype, DWORD idx)
840 CAPI_trace(ctx, "capi_get_provname, index=%d\n", idx);
841 if (!CryptEnumProviders(idx, NULL, 0, ptype, NULL, &len))
843 err = GetLastError();
844 if (err == ERROR_NO_MORE_ITEMS)
846 CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR);
850 name = OPENSSL_malloc(len);
851 if (!CryptEnumProviders(idx, NULL, 0, ptype, name, &len))
853 err = GetLastError();
854 if (err == ERROR_NO_MORE_ITEMS)
856 CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR);
861 CAPI_trace(ctx, "capi_get_provname, returned name=%s, type=%d\n", name, *ptype);
866 static int capi_list_providers(CAPI_CTX *ctx, BIO *out)
870 LPTSTR provname = NULL;
871 CAPI_trace(ctx, "capi_list_providers\n");
872 BIO_printf(out, "Available CSPs:\n");
873 for(idx = 0; ; idx++)
875 ret = capi_get_provname(ctx, &provname, &ptype, idx);
880 BIO_printf(out, "%d. %s, type %d\n", idx, provname, ptype);
881 OPENSSL_free(provname);
886 static int capi_list_containers(CAPI_CTX *ctx, BIO *out)
890 DWORD err, idx, flags, buflen = 0, clen;
892 CAPI_trace(ctx, "Listing containers CSP=%s, type = %d\n", ctx->cspname, ctx->csptype);
893 if (!CryptAcquireContext(&hprov, NULL, ctx->cspname, ctx->csptype, CRYPT_VERIFYCONTEXT))
895 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
899 if (!CryptGetProvParam(hprov, PP_ENUMCONTAINERS, NULL, &buflen, CRYPT_FIRST))
901 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR);
905 CAPI_trace(ctx, "Got max container len %d\n", buflen);
908 cname = OPENSSL_malloc(buflen);
911 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, ERR_R_MALLOC_FAILURE);
924 if(!CryptGetProvParam(hprov, PP_ENUMCONTAINERS, cname, &clen, flags))
926 err = GetLastError();
927 if (err == ERROR_NO_MORE_ITEMS)
929 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR);
933 CAPI_trace(ctx, "Container name %s, len=%d, index=%d, flags=%d\n", cname, clen, idx, flags);
934 if (!cname[0] && (clen == buflen))
936 CAPI_trace(ctx, "Enumerate bug: using workaround\n");
939 BIO_printf(out, "%d. %s\n", idx, cname);
948 CryptReleaseContext(hprov, 0);
953 CRYPT_KEY_PROV_INFO *capi_get_prov_info(CAPI_CTX *ctx, PCCERT_CONTEXT cert)
956 CRYPT_KEY_PROV_INFO *pinfo;
958 if(!CertGetCertificateContextProperty(cert, CERT_KEY_PROV_INFO_PROP_ID, NULL, &len))
960 pinfo = OPENSSL_malloc(len);
963 CAPIerr(CAPI_F_CAPI_GET_PROV_INFO, ERR_R_MALLOC_FAILURE);
966 if(!CertGetCertificateContextProperty(cert, CERT_KEY_PROV_INFO_PROP_ID, pinfo, &len))
968 CAPIerr(CAPI_F_CAPI_GET_PROV_INFO, CAPI_R_ERROR_GETTING_KEY_PROVIDER_INFO);
976 static void capi_dump_prov_info(CAPI_CTX *ctx, BIO *out, CRYPT_KEY_PROV_INFO *pinfo)
978 char *provname = NULL, *contname = NULL;
981 BIO_printf(out, " No Private Key\n");
984 provname = wide_to_asc(pinfo->pwszProvName);
985 contname = wide_to_asc(pinfo->pwszContainerName);
986 if (!provname || !contname)
989 BIO_printf(out, " Private Key Info:\n");
990 BIO_printf(out, " Provider Name: %s, Provider Type %d\n", provname, pinfo->dwProvType);
991 BIO_printf(out, " Container Name: %s, Key Type %d\n", contname, pinfo->dwKeySpec);
994 OPENSSL_free(provname);
996 OPENSSL_free(contname);
999 char * capi_cert_get_fname(CAPI_CTX *ctx, PCCERT_CONTEXT cert)
1004 CAPI_trace(ctx, "capi_cert_get_fname\n");
1005 if (!CertGetCertificateContextProperty(cert, CERT_FRIENDLY_NAME_PROP_ID, NULL, &dlen))
1007 wfname = OPENSSL_malloc(dlen);
1008 if (CertGetCertificateContextProperty(cert, CERT_FRIENDLY_NAME_PROP_ID, wfname, &dlen))
1010 char *fname = wide_to_asc(wfname);
1011 OPENSSL_free(wfname);
1014 CAPIerr(CAPI_F_CAPI_CERT_GET_FNAME, CAPI_R_ERROR_GETTING_FRIENDLY_NAME);
1015 capi_addlasterror();
1017 OPENSSL_free(wfname);
1022 void capi_dump_cert(CAPI_CTX *ctx, BIO *out, PCCERT_CONTEXT cert)
1026 unsigned long flags = ctx->dump_flags;
1027 if (flags & CAPI_DMP_FNAME)
1030 fname = capi_cert_get_fname(ctx, cert);
1033 BIO_printf(out, " Friendly Name \"%s\"\n", fname);
1034 OPENSSL_free(fname);
1037 BIO_printf(out, " <No Friendly Name>\n");
1040 p = cert->pbCertEncoded;
1041 x = d2i_X509(NULL, &p, cert->cbCertEncoded);
1043 BIO_printf(out, " <Can't parse certificate>\n");
1044 if (flags & CAPI_DMP_SUMMARY)
1046 BIO_printf(out, " Subject: ");
1047 X509_NAME_print_ex(out, X509_get_subject_name(x), 0, XN_FLAG_ONELINE);
1048 BIO_printf(out, "\n Issuer: ");
1049 X509_NAME_print_ex(out, X509_get_issuer_name(x), 0, XN_FLAG_ONELINE);
1050 BIO_printf(out, "\n");
1052 if (flags & CAPI_DMP_FULL)
1053 X509_print_ex(out, x, XN_FLAG_ONELINE,0);
1055 if (flags & CAPI_DMP_PKEYINFO)
1057 CRYPT_KEY_PROV_INFO *pinfo;
1058 pinfo = capi_get_prov_info(ctx, cert);
1059 capi_dump_prov_info(ctx, out, pinfo);
1061 OPENSSL_free(pinfo);
1064 if (flags & CAPI_DMP_PEM)
1065 PEM_write_bio_X509(out, x);
1069 HCERTSTORE capi_open_store(CAPI_CTX *ctx, char *storename)
1074 storename = ctx->storename;
1077 CAPI_trace(ctx, "Opening certificate store %s\n", storename);
1079 hstore = CertOpenSystemStore(0, storename);
1082 CAPIerr(CAPI_F_CAPI_OPEN_STORE, CAPI_R_ERROR_OPENING_STORE);
1083 capi_addlasterror();
1088 int capi_list_certs(CAPI_CTX *ctx, BIO *out, char *id)
1094 PCCERT_CONTEXT cert = NULL;
1096 storename = ctx->storename;
1099 CAPI_trace(ctx, "Listing certs for store %s\n", storename);
1101 hstore = capi_open_store(ctx, storename);
1106 cert = capi_find_cert(ctx, id, hstore);
1112 capi_dump_cert(ctx, out, cert);
1113 CertFreeCertificateContext(cert);
1119 LPWSTR fname = NULL;
1120 cert = CertEnumCertificatesInStore(hstore, cert);
1123 BIO_printf(out, "Certificate %d\n", idx);
1124 capi_dump_cert(ctx, out, cert);
1128 CertCloseStore(hstore, 0);
1132 static PCCERT_CONTEXT capi_find_cert(CAPI_CTX *ctx, const char *id, HCERTSTORE hstore)
1134 PCCERT_CONTEXT cert = NULL;
1137 switch(ctx->lookup_method)
1139 case CAPI_LU_SUBSTR:
1140 return CertFindCertificateInStore(hstore, X509_ASN_ENCODING, 0,
1141 CERT_FIND_SUBJECT_STR_A, id, NULL);
1145 cert = CertEnumCertificatesInStore(hstore, cert);
1148 fname = capi_cert_get_fname(ctx, cert);
1151 if (strcmp(fname, id))
1155 OPENSSL_free(fname);
1165 static CAPI_KEY *capi_get_key(CAPI_CTX *ctx, const char *contname, char *provname, DWORD ptype, DWORD keyspec)
1168 key = OPENSSL_malloc(sizeof(CAPI_KEY));
1169 CAPI_trace(ctx, "capi_get_key, contname=%s, provname=%s, type=%d\n",
1170 contname, provname, ptype);
1171 if (!CryptAcquireContext(&key->hprov, contname, provname, ptype, 0))
1173 CAPIerr(CAPI_F_CAPI_GET_KEY, CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1174 capi_addlasterror();
1177 if (!CryptGetUserKey(key->hprov, keyspec, &key->key))
1179 CAPIerr(CAPI_F_CAPI_GET_KEY, CAPI_R_GETUSERKEY_ERROR);
1180 capi_addlasterror();
1181 CryptReleaseContext(key->hprov, 0);
1191 static CAPI_KEY *capi_get_cert_key(CAPI_CTX *ctx, PCCERT_CONTEXT cert)
1194 CRYPT_KEY_PROV_INFO *pinfo = NULL;
1195 char *provname = NULL, *contname = NULL;
1196 pinfo = capi_get_prov_info(ctx, cert);
1199 provname = wide_to_asc(pinfo->pwszProvName);
1200 contname = wide_to_asc(pinfo->pwszContainerName);
1201 if (!provname || !contname)
1204 key = capi_get_key(ctx, contname, provname, pinfo->dwProvType, pinfo->dwKeySpec);
1208 OPENSSL_free(pinfo);
1210 OPENSSL_free(provname);
1212 OPENSSL_free(contname);
1216 CAPI_KEY *capi_find_key(CAPI_CTX *ctx, const char *id)
1218 PCCERT_CONTEXT cert;
1220 CAPI_KEY *key = NULL;
1221 switch (ctx->lookup_method)
1223 case CAPI_LU_SUBSTR:
1225 hstore = capi_open_store(ctx, NULL);
1228 cert = capi_find_cert(ctx, id, hstore);
1231 key = capi_get_cert_key(ctx, cert);
1232 CertFreeCertificateContext(cert);
1234 CertCloseStore(hstore, 0);
1237 case CAPI_LU_CONTNAME:
1238 key = capi_get_key(ctx, id, ctx->cspname, ctx->csptype, ctx->keytype);
1245 void capi_free_key(CAPI_KEY *key)
1249 CryptDestroyKey(key->key);
1250 CryptReleaseContext(key->hprov, 0);
1255 /* Initialize a CAPI_CTX structure */
1257 static CAPI_CTX *capi_ctx_new()
1260 ctx = OPENSSL_malloc(sizeof(CAPI_CTX));
1263 CAPIerr(CAPI_F_CAPI_CTX_NEW, ERR_R_MALLOC_FAILURE);
1266 ctx->cspname = NULL;
1267 ctx->csptype = PROV_RSA_FULL;
1268 ctx->dump_flags = CAPI_DMP_SUMMARY|CAPI_DMP_FNAME;
1269 ctx->keytype = AT_KEYEXCHANGE;
1270 ctx->storename = NULL;
1271 ctx->lookup_method = CAPI_LU_SUBSTR;
1272 ctx->debug_level = 0;
1273 ctx->debug_file = NULL;
1277 static void capi_ctx_free(CAPI_CTX *ctx)
1279 CAPI_trace(ctx, "Calling capi_ctx_free with %lx\n", ctx);
1283 OPENSSL_free(ctx->cspname);
1284 if (ctx->debug_file)
1285 OPENSSL_free(ctx->debug_file);
1287 OPENSSL_free(ctx->storename);
1291 static int capi_ctx_set_provname(CAPI_CTX *ctx, LPSTR pname, DWORD type, int check)
1293 CAPI_trace(ctx, "capi_ctx_set_provname, name=%s, type=%d\n", pname, type);
1297 if (!CryptAcquireContext(&hprov, NULL, pname, type, CRYPT_VERIFYCONTEXT))
1299 CAPIerr(CAPI_F_CAPI_CTX_SET_PROVNAME, CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1300 capi_addlasterror();
1303 CryptReleaseContext(hprov, 0);
1305 ctx->cspname = BUF_strdup(pname);
1306 ctx->csptype = type;
1310 static int capi_ctx_set_provname_idx(CAPI_CTX *ctx, int idx)
1314 if (capi_get_provname(ctx, &pname, &type, idx) != 1)
1316 return capi_ctx_set_provname(ctx, pname, type, 0);