Coverage Report

Created: 2025-12-04 06:33

next uncovered line (L), next uncovered region (R), next uncovered branch (B)
/src/openssl36/crypto/cmp/cmp_msg.c
Line
Count
Source
1
/*
2
 * Copyright 2007-2025 The OpenSSL Project Authors. All Rights Reserved.
3
 * Copyright Nokia 2007-2019
4
 * Copyright Siemens AG 2015-2019
5
 *
6
 * Licensed under the Apache License 2.0 (the "License").  You may not use
7
 * this file except in compliance with the License.  You can obtain a copy
8
 * in the file LICENSE in the source distribution or at
9
 * https://www.openssl.org/source/license.html
10
 */
11
12
/* CMP functions for PKIMessage construction */
13
14
#include "cmp_local.h"
15
16
#include <internal/cms.h> /* for ossl_cms_sign_encrypt() */
17
18
OSSL_CMP_MSG *OSSL_CMP_MSG_new(OSSL_LIB_CTX *libctx, const char *propq)
19
46.9k
{
20
46.9k
    OSSL_CMP_MSG *msg = NULL;
21
22
46.9k
    msg = (OSSL_CMP_MSG *)ASN1_item_new_ex(ASN1_ITEM_rptr(OSSL_CMP_MSG),
23
46.9k
                                           libctx, propq);
24
46.9k
    if (!ossl_cmp_msg_set0_libctx(msg, libctx, propq)) {
25
0
        OSSL_CMP_MSG_free(msg);
26
0
        msg = NULL;
27
0
    }
28
46.9k
    return msg;
29
46.9k
}
30
31
void OSSL_CMP_MSG_free(OSSL_CMP_MSG *msg)
32
137k
{
33
137k
    ASN1_item_free((ASN1_VALUE *)msg, ASN1_ITEM_rptr(OSSL_CMP_MSG));
34
137k
}
35
36
/*
37
 * This should only be used if the X509 object was embedded inside another
38
 * asn1 object and it needs a libctx to operate.
39
 * Use OSSL_CMP_MSG_new() instead if possible.
40
 */
41
int ossl_cmp_msg_set0_libctx(OSSL_CMP_MSG *msg, OSSL_LIB_CTX *libctx,
42
                             const char *propq)
43
46.9k
{
44
46.9k
    if (msg != NULL) {
45
46.9k
        msg->libctx = libctx;
46
46.9k
        OPENSSL_free(msg->propq);
47
46.9k
        msg->propq = NULL;
48
46.9k
        if (propq != NULL) {
49
0
            msg->propq = OPENSSL_strdup(propq);
50
0
            if (msg->propq == NULL)
51
0
                return 0;
52
0
        }
53
46.9k
    }
54
46.9k
    return 1;
55
46.9k
}
56
57
OSSL_CMP_PKIHEADER *OSSL_CMP_MSG_get0_header(const OSSL_CMP_MSG *msg)
58
105k
{
59
105k
    if (msg == NULL) {
60
0
        ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
61
0
        return NULL;
62
0
    }
63
105k
    return msg->header;
64
105k
}
65
66
const char *ossl_cmp_bodytype_to_string(int type)
67
42.7k
{
68
42.7k
    static const char *type_names[] = {
69
42.7k
        "IR", "IP", "CR", "CP", "P10CR",
70
42.7k
        "POPDECC", "POPDECR", "KUR", "KUP",
71
42.7k
        "KRR", "KRP", "RR", "RP", "CCR", "CCP",
72
42.7k
        "CKUANN", "CANN", "RANN", "CRLANN", "PKICONF", "NESTED",
73
42.7k
        "GENM", "GENP", "ERROR", "CERTCONF", "POLLREQ", "POLLREP",
74
42.7k
    };
75
76
42.7k
    if (type < 0 || type > OSSL_CMP_PKIBODY_TYPE_MAX)
77
0
        return "illegal body type";
78
42.7k
    return type_names[type];
79
42.7k
}
80
81
int ossl_cmp_msg_set_bodytype(OSSL_CMP_MSG *msg, int type)
82
46.9k
{
83
46.9k
    if (!ossl_assert(msg != NULL && msg->body != NULL))
84
0
        return 0;
85
86
46.9k
    msg->body->type = type;
87
46.9k
    return 1;
88
46.9k
}
89
90
int OSSL_CMP_MSG_get_bodytype(const OSSL_CMP_MSG *msg)
91
136k
{
92
136k
    if (!ossl_assert(msg != NULL && msg->body != NULL))
93
0
        return -1;
94
95
136k
    return msg->body->type;
96
136k
}
97
98
X509_PUBKEY *OSSL_CMP_MSG_get0_certreq_publickey(const OSSL_CMP_MSG *msg)
99
0
{
100
0
    const OSSL_CRMF_MSGS *reqs;
101
0
    const OSSL_CRMF_MSG *crm;
102
0
    const OSSL_CRMF_CERTTEMPLATE *tmpl;
103
0
    X509_PUBKEY *pubkey;
104
105
0
    switch (OSSL_CMP_MSG_get_bodytype(msg)) {
106
0
    case OSSL_CMP_PKIBODY_IR:
107
0
    case OSSL_CMP_PKIBODY_CR:
108
0
    case OSSL_CMP_PKIBODY_KUR:
109
0
        reqs = msg->body->value.ir; /* value.ir is same for cr and kur */
110
0
        if ((crm = sk_OSSL_CRMF_MSG_value(reqs, 0)) == NULL) {
111
0
            ERR_raise(ERR_LIB_CMP, CMP_R_CERTREQMSG_NOT_FOUND);
112
0
            return NULL;
113
0
        }
114
0
        if ((tmpl = OSSL_CRMF_MSG_get0_tmpl(crm)) == NULL
115
0
            || (pubkey = OSSL_CRMF_CERTTEMPLATE_get0_publicKey(tmpl)) == NULL) {
116
0
            ERR_raise(ERR_LIB_CMP, CRMF_R_POPO_MISSING_PUBLIC_KEY);
117
0
            return NULL;
118
0
        }
119
0
        return pubkey;
120
0
    default:
121
0
        ERR_raise(ERR_LIB_CMP, CMP_R_UNEXPECTED_PKIBODY);
122
0
        return NULL;
123
0
    }
124
0
}
125
126
/* Add an extension to the referenced extension stack, which may be NULL */
127
static int add1_extension(X509_EXTENSIONS **pexts, int nid, int crit, void *ex)
128
0
{
129
0
    X509_EXTENSION *ext;
130
0
    int res;
131
132
0
    if (!ossl_assert(pexts != NULL)) /* pointer to var must not be NULL */
133
0
        return 0;
134
135
0
    if ((ext = X509V3_EXT_i2d(nid, crit, ex)) == NULL)
136
0
        return 0;
137
138
0
    res = X509v3_add_ext(pexts, ext, 0) != NULL;
139
0
    X509_EXTENSION_free(ext);
140
0
    return res;
141
0
}
142
143
/* Add a CRL revocation reason code to extension stack, which may be NULL */
144
static int add_crl_reason_extension(X509_EXTENSIONS **pexts, int reason_code)
145
0
{
146
0
    ASN1_ENUMERATED *val = ASN1_ENUMERATED_new();
147
0
    int res = 0;
148
149
0
    if (val != NULL && ASN1_ENUMERATED_set(val, reason_code))
150
0
        res = add1_extension(pexts, NID_crl_reason, 0 /* non-critical */, val);
151
0
    ASN1_ENUMERATED_free(val);
152
0
    return res;
153
0
}
154
155
OSSL_CMP_MSG *ossl_cmp_msg_create(OSSL_CMP_CTX *ctx, int bodytype)
156
46.9k
{
157
46.9k
    OSSL_CMP_MSG *msg = NULL;
158
159
46.9k
    if (!ossl_assert(ctx != NULL))
160
0
        return NULL;
161
162
46.9k
    if ((msg = OSSL_CMP_MSG_new(ctx->libctx, ctx->propq)) == NULL)
163
0
        return NULL;
164
46.9k
    if (!ossl_cmp_hdr_init(ctx, msg->header)
165
46.9k
            || !ossl_cmp_msg_set_bodytype(msg, bodytype))
166
0
        goto err;
167
46.9k
    if (ctx->geninfo_ITAVs != NULL
168
0
            && !ossl_cmp_hdr_generalInfo_push1_items(msg->header,
169
0
                                                     ctx->geninfo_ITAVs))
170
0
        goto err;
171
172
46.9k
    switch (bodytype) {
173
1.04k
    case OSSL_CMP_PKIBODY_IR:
174
1.15k
    case OSSL_CMP_PKIBODY_CR:
175
1.23k
    case OSSL_CMP_PKIBODY_KUR:
176
1.23k
        if ((msg->body->value.ir = OSSL_CRMF_MSGS_new()) == NULL)
177
0
            goto err;
178
1.23k
        return msg;
179
180
113
    case OSSL_CMP_PKIBODY_P10CR:
181
113
        if (ctx->p10CSR == NULL) {
182
113
            ERR_raise(ERR_LIB_CMP, CMP_R_MISSING_P10CSR);
183
113
            goto err;
184
113
        }
185
0
        if ((msg->body->value.p10cr = X509_REQ_dup(ctx->p10CSR)) == NULL)
186
0
            goto err;
187
0
        return msg;
188
189
0
    case OSSL_CMP_PKIBODY_IP:
190
0
    case OSSL_CMP_PKIBODY_CP:
191
0
    case OSSL_CMP_PKIBODY_KUP:
192
0
        if ((msg->body->value.ip = OSSL_CMP_CERTREPMESSAGE_new()) == NULL)
193
0
            goto err;
194
0
        return msg;
195
196
210
    case OSSL_CMP_PKIBODY_RR:
197
210
        if ((msg->body->value.rr = sk_OSSL_CMP_REVDETAILS_new_null()) == NULL)
198
0
            goto err;
199
210
        return msg;
200
0
    case OSSL_CMP_PKIBODY_RP:
201
0
        if ((msg->body->value.rp = OSSL_CMP_REVREPCONTENT_new()) == NULL)
202
0
            goto err;
203
0
        return msg;
204
205
0
    case OSSL_CMP_PKIBODY_CERTCONF:
206
0
        if ((msg->body->value.certConf =
207
0
             sk_OSSL_CMP_CERTSTATUS_new_null()) == NULL)
208
0
            goto err;
209
0
        return msg;
210
988
    case OSSL_CMP_PKIBODY_PKICONF:
211
988
        if ((msg->body->value.pkiconf = ASN1_TYPE_new()) == NULL)
212
0
            goto err;
213
988
        ASN1_TYPE_set(msg->body->value.pkiconf, V_ASN1_NULL, NULL);
214
988
        return msg;
215
216
441
    case OSSL_CMP_PKIBODY_POLLREQ:
217
441
        if ((msg->body->value.pollReq = sk_OSSL_CMP_POLLREQ_new_null()) == NULL)
218
0
            goto err;
219
441
        return msg;
220
0
    case OSSL_CMP_PKIBODY_POLLREP:
221
0
        if ((msg->body->value.pollRep = sk_OSSL_CMP_POLLREP_new_null()) == NULL)
222
0
            goto err;
223
0
        return msg;
224
225
1.19k
    case OSSL_CMP_PKIBODY_GENM:
226
1.19k
    case OSSL_CMP_PKIBODY_GENP:
227
1.19k
        if ((msg->body->value.genm = sk_OSSL_CMP_ITAV_new_null()) == NULL)
228
0
            goto err;
229
1.19k
        return msg;
230
231
42.7k
    case OSSL_CMP_PKIBODY_ERROR:
232
42.7k
        if ((msg->body->value.error = OSSL_CMP_ERRORMSGCONTENT_new()) == NULL)
233
0
            goto err;
234
42.7k
        return msg;
235
236
0
    default:
237
0
        ERR_raise(ERR_LIB_CMP, CMP_R_UNEXPECTED_PKIBODY);
238
0
        goto err;
239
46.9k
    }
240
241
113
 err:
242
113
    OSSL_CMP_MSG_free(msg);
243
113
    return NULL;
244
46.9k
}
245
246
#define HAS_SAN(ctx) \
247
2.05k
    (sk_GENERAL_NAME_num((ctx)->subjectAltNames) > 0 \
248
2.05k
         || OSSL_CMP_CTX_reqExtensions_have_SAN(ctx) == 1)
249
250
static const X509_NAME *determine_subj(OSSL_CMP_CTX *ctx, int for_KUR,
251
                                       const X509_NAME *ref_subj)
252
1.23k
{
253
1.23k
    if (ctx->subjectName != NULL)
254
0
        return IS_NULL_DN(ctx->subjectName) ? NULL : ctx->subjectName;
255
1.23k
    if (ctx->p10CSR != NULL) /* first default is from any given CSR */
256
0
        return X509_REQ_get_subject_name(ctx->p10CSR);
257
1.23k
    if (for_KUR || !HAS_SAN(ctx))
258
        /*
259
         * For KUR, copy subject from any reference cert as fallback.
260
         * For IR or CR, do the same only if there is no subjectAltName.
261
         */
262
1.23k
        return ref_subj;
263
0
    return NULL;
264
1.23k
}
265
266
OSSL_CRMF_MSG *OSSL_CMP_CTX_setup_CRM(OSSL_CMP_CTX *ctx, int for_KUR, int rid)
267
449
{
268
449
    OSSL_CRMF_MSG *crm = NULL;
269
449
    int central_keygen = OSSL_CMP_CTX_get_option(ctx, OSSL_CMP_OPT_POPO_METHOD)
270
449
        == OSSL_CRMF_POPO_NONE;
271
449
    X509 *refcert = ctx->oldCert != NULL ? ctx->oldCert : ctx->cert;
272
    /* refcert defaults to current client cert */
273
449
    EVP_PKEY *rkey = ossl_cmp_ctx_get0_newPubkey(ctx);
274
449
    STACK_OF(GENERAL_NAME) *default_sans = NULL;
275
449
    const X509_NAME *ref_subj =
276
449
        refcert != NULL ? X509_get_subject_name(refcert) : NULL;
277
449
    const X509_NAME *subject = determine_subj(ctx, for_KUR, ref_subj);
278
449
    const X509_NAME *issuer = ctx->issuer != NULL || refcert == NULL
279
449
        ? (IS_NULL_DN(ctx->issuer) ? NULL : ctx->issuer)
280
449
        : X509_get_issuer_name(refcert);
281
449
    int crit = ctx->setSubjectAltNameCritical || subject == NULL;
282
    /* RFC5280: subjectAltName MUST be critical if subject is null */
283
449
    OSSL_CRMF_CERTTEMPLATE *tmpl;
284
449
    X509_EXTENSIONS *exts = NULL;
285
286
449
    if (rkey == NULL && !central_keygen) {
287
#ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
288
        ERR_raise(ERR_LIB_CMP, CMP_R_MISSING_PUBLIC_KEY);
289
        return NULL;
290
#endif
291
0
    }
292
449
    if (for_KUR && refcert == NULL && ctx->p10CSR == NULL) {
293
0
        ERR_raise(ERR_LIB_CMP, CMP_R_MISSING_REFERENCE_CERT);
294
0
        return NULL;
295
0
    }
296
449
    if ((crm = OSSL_CRMF_MSG_new()) == NULL)
297
0
        return NULL;
298
449
    tmpl = OSSL_CRMF_MSG_get0_tmpl(crm);
299
449
    if (!OSSL_CRMF_MSG_set_certReqId(crm, rid)
300
            /*
301
             * fill certTemplate, corresponding to CertificationRequestInfo
302
             * of PKCS#10. The rkey param cannot be NULL so far -
303
             * it could be NULL if centralized key creation was supported
304
             */
305
449
            || !OSSL_CRMF_CERTTEMPLATE_fill(OSSL_CRMF_MSG_get0_tmpl(crm), rkey,
306
449
                                            subject, issuer, NULL /* serial */))
307
0
        goto err;
308
449
    if (rkey != NULL && central_keygen)
309
0
        X509_PUBKEY_set0_public_key(OSSL_CRMF_CERTTEMPLATE_get0_publicKey(tmpl),
310
0
                                    NULL, 0);
311
312
449
    if (ctx->days != 0) {
313
0
        time_t now = time(NULL);
314
0
        ASN1_TIME *notBefore = ASN1_TIME_adj(NULL, now, 0, 0);
315
0
        ASN1_TIME *notAfter = ASN1_TIME_adj(NULL, now, ctx->days, 0);
316
317
0
        if (notBefore == NULL
318
0
                || notAfter == NULL
319
0
                || !OSSL_CRMF_MSG_set0_validity(crm, notBefore, notAfter)) {
320
0
            ASN1_TIME_free(notBefore);
321
0
            ASN1_TIME_free(notAfter);
322
0
            goto err;
323
0
        }
324
0
    }
325
326
    /* extensions */
327
449
    if (ctx->p10CSR != NULL
328
0
            && (exts = X509_REQ_get_extensions(ctx->p10CSR)) == NULL)
329
0
        goto err;
330
449
    if (!ctx->SubjectAltName_nodefault && !HAS_SAN(ctx) && refcert != NULL
331
449
        && (default_sans = X509V3_get_d2i(X509_get0_extensions(refcert),
332
449
                                          NID_subject_alt_name, NULL, NULL))
333
449
        != NULL
334
0
            && !add1_extension(&exts, NID_subject_alt_name, crit, default_sans))
335
0
        goto err;
336
449
    if (sk_X509_EXTENSION_num(ctx->reqExtensions) > 0 /* augment/override existing ones */
337
0
            && X509v3_add_extensions(&exts, ctx->reqExtensions) == NULL)
338
0
        goto err;
339
449
    if (sk_GENERAL_NAME_num(ctx->subjectAltNames) > 0
340
0
            && !add1_extension(&exts, NID_subject_alt_name,
341
0
                               crit, ctx->subjectAltNames))
342
0
        goto err;
343
449
    if (ctx->policies != NULL
344
0
            && !add1_extension(&exts, NID_certificate_policies,
345
0
                               ctx->setPoliciesCritical, ctx->policies))
346
0
        goto err;
347
449
    if (!OSSL_CRMF_MSG_set0_extensions(crm, exts))
348
0
        goto err;
349
449
    exts = NULL;
350
    /* end fill certTemplate, now set any controls */
351
352
    /* for KUR, set OldCertId according to D.6 */
353
449
    if (for_KUR && refcert != NULL) {
354
29
        OSSL_CRMF_CERTID *cid =
355
29
            OSSL_CRMF_CERTID_gen(X509_get_issuer_name(refcert),
356
29
                                 X509_get0_serialNumber(refcert));
357
29
        int ret;
358
359
29
        if (cid == NULL)
360
0
            goto err;
361
29
        ret = OSSL_CRMF_MSG_set1_regCtrl_oldCertID(crm, cid);
362
29
        OSSL_CRMF_CERTID_free(cid);
363
29
        if (ret == 0)
364
0
            goto err;
365
29
    }
366
367
449
    goto end;
368
369
449
 err:
370
0
    OSSL_CRMF_MSG_free(crm);
371
0
    crm = NULL;
372
373
449
 end:
374
449
    sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
375
449
    sk_GENERAL_NAME_pop_free(default_sans, GENERAL_NAME_free);
376
449
    return crm;
377
0
}
378
379
OSSL_CMP_MSG *ossl_cmp_certreq_new(OSSL_CMP_CTX *ctx, int type,
380
                                   const OSSL_CRMF_MSG *crm)
381
1.34k
{
382
1.34k
    OSSL_CMP_MSG *msg;
383
1.34k
    OSSL_CRMF_MSG *local_crm = NULL;
384
385
1.34k
    if (!ossl_assert(ctx != NULL))
386
0
        return NULL;
387
388
1.34k
    if (type != OSSL_CMP_PKIBODY_IR && type != OSSL_CMP_PKIBODY_CR
389
192
            && type != OSSL_CMP_PKIBODY_KUR && type != OSSL_CMP_PKIBODY_P10CR) {
390
0
        ERR_raise(ERR_LIB_CMP, CMP_R_INVALID_ARGS);
391
0
        return NULL;
392
0
    }
393
1.34k
    if (type == OSSL_CMP_PKIBODY_P10CR && crm != NULL) {
394
0
        ERR_raise(ERR_LIB_CMP, CMP_R_INVALID_ARGS);
395
0
        return NULL;
396
0
    }
397
398
1.34k
    if ((msg = ossl_cmp_msg_create(ctx, type)) == NULL)
399
113
        goto err;
400
401
    /* header */
402
1.23k
    if (ctx->implicitConfirm && !ossl_cmp_hdr_set_implicitConfirm(msg->header))
403
0
        goto err;
404
405
    /* body */
406
    /* For P10CR the content has already been set in OSSL_CMP_MSG_create */
407
1.23k
    if (type != OSSL_CMP_PKIBODY_P10CR) {
408
1.23k
        EVP_PKEY *privkey = OSSL_CMP_CTX_get0_newPkey(ctx, 1);
409
410
        /* privkey is ctx->newPkey (if private, else NULL) or ctx->pkey */
411
1.23k
        if (ctx->popoMethod >= OSSL_CRMF_POPO_SIGNATURE && privkey == NULL) {
412
0
            ERR_raise(ERR_LIB_CMP, CMP_R_MISSING_PRIVATE_KEY_FOR_POPO);
413
0
            goto err;
414
0
        }
415
1.23k
        if (crm == NULL) {
416
1.23k
            local_crm = OSSL_CMP_CTX_setup_CRM(ctx,
417
1.23k
                                               type == OSSL_CMP_PKIBODY_KUR,
418
1.23k
                                               OSSL_CMP_CERTREQID);
419
1.23k
            if (local_crm == NULL
420
1.23k
                || !OSSL_CRMF_MSG_create_popo(ctx->popoMethod, local_crm,
421
1.23k
                                              privkey, ctx->digest,
422
1.23k
                                              ctx->libctx, ctx->propq))
423
0
                goto err;
424
1.23k
        } else {
425
0
            if ((local_crm = OSSL_CRMF_MSG_dup(crm)) == NULL)
426
0
                goto err;
427
0
        }
428
429
        /* value.ir is same for cr and kur */
430
1.23k
        if (!sk_OSSL_CRMF_MSG_push(msg->body->value.ir, local_crm))
431
0
            goto err;
432
1.23k
        local_crm = NULL;
433
1.23k
    }
434
435
1.23k
    if (!ossl_cmp_msg_protect(ctx, msg))
436
1.23k
        goto err;
437
438
0
    return msg;
439
440
1.34k
 err:
441
1.34k
    ERR_raise(ERR_LIB_CMP, CMP_R_ERROR_CREATING_CERTREQ);
442
1.34k
    OSSL_CRMF_MSG_free(local_crm);
443
1.34k
    OSSL_CMP_MSG_free(msg);
444
1.34k
    return NULL;
445
1.23k
}
446
447
#ifndef OPENSSL_NO_CMS
448
static OSSL_CRMF_ENCRYPTEDKEY *enc_privkey(OSSL_CMP_CTX *ctx, const EVP_PKEY *pkey)
449
0
{
450
0
    OSSL_CRMF_ENCRYPTEDKEY *ek = NULL;
451
0
    CMS_EnvelopedData *envData = NULL;
452
0
    BIO *privbio = NULL;
453
0
    EVP_CIPHER *cipher = NULL;
454
0
    X509 *recip = ctx->validatedSrvCert; /* this is the client cert */
455
0
    STACK_OF(X509) *encryption_recips = sk_X509_new_reserve(NULL, 1);
456
457
0
    if (encryption_recips == NULL
458
0
        || !X509_add_cert(encryption_recips, recip, X509_ADD_FLAG_UP_REF))
459
0
        goto err;
460
461
0
    privbio = BIO_new(BIO_s_mem());
462
0
    if (privbio == NULL || i2d_PrivateKey_bio(privbio, pkey) <= 0)
463
0
        goto err;
464
0
    ossl_cmp_set_own_chain(ctx);
465
0
    cipher = EVP_CIPHER_fetch(ctx->libctx, SN_aes_256_cbc, ctx->propq);
466
0
    envData = ossl_cms_sign_encrypt(privbio, ctx->cert, ctx->chain, ctx->pkey, CMS_BINARY,
467
0
                                    encryption_recips, cipher, CMS_BINARY,
468
0
                                    ctx->libctx, ctx->propq);
469
0
    EVP_CIPHER_free(cipher);
470
0
    if (envData == NULL)
471
0
        goto err;
472
0
    ek = OSSL_CRMF_ENCRYPTEDKEY_init_envdata(envData);
473
474
0
 err:
475
0
    sk_X509_pop_free(encryption_recips, X509_free);
476
0
    BIO_free(privbio);
477
0
    if (ek == NULL)
478
0
        M_ASN1_free_of(envData, CMS_EnvelopedData);
479
480
0
    return ek;
481
0
}
482
#endif
483
484
OSSL_CMP_MSG *ossl_cmp_certrep_new(OSSL_CMP_CTX *ctx, int bodytype,
485
                                   int certReqId, const OSSL_CMP_PKISI *si,
486
                                   X509 *cert, const EVP_PKEY *pkey,
487
                                   const X509 *encryption_recip,
488
                                   STACK_OF(X509) *chain, STACK_OF(X509) *caPubs,
489
                                   int unprotectedErrors)
490
0
{
491
0
    OSSL_CMP_MSG *msg = NULL;
492
0
    OSSL_CMP_CERTREPMESSAGE *repMsg = NULL;
493
0
    OSSL_CMP_CERTRESPONSE *resp = NULL;
494
0
    int status = OSSL_CMP_PKISTATUS_unspecified;
495
496
0
    if (!ossl_assert(ctx != NULL && si != NULL))
497
0
        return NULL;
498
499
0
    if ((msg = ossl_cmp_msg_create(ctx, bodytype)) == NULL)
500
0
        goto err;
501
0
    repMsg = msg->body->value.ip; /* value.ip is same for cp and kup */
502
503
    /* header */
504
0
    if (ctx->implicitConfirm && !ossl_cmp_hdr_set_implicitConfirm(msg->header))
505
0
        goto err;
506
507
    /* body */
508
0
    if ((resp = OSSL_CMP_CERTRESPONSE_new()) == NULL)
509
0
        goto err;
510
0
    OSSL_CMP_PKISI_free(resp->status);
511
0
    if ((resp->status = OSSL_CMP_PKISI_dup(si)) == NULL
512
0
            || !ASN1_INTEGER_set(resp->certReqId, certReqId))
513
0
        goto err;
514
515
0
    status = ossl_cmp_pkisi_get_status(resp->status);
516
0
    if (status != OSSL_CMP_PKISTATUS_rejection
517
0
            && status != OSSL_CMP_PKISTATUS_waiting && cert != NULL) {
518
0
        if (encryption_recip != NULL) {
519
0
            ERR_raise(ERR_LIB_CMP, ERR_R_UNSUPPORTED);
520
0
            goto err;
521
0
        }
522
523
0
        if ((resp->certifiedKeyPair = OSSL_CMP_CERTIFIEDKEYPAIR_new())
524
0
            == NULL)
525
0
            goto err;
526
0
        resp->certifiedKeyPair->certOrEncCert->type =
527
0
            OSSL_CMP_CERTORENCCERT_CERTIFICATE;
528
0
        if (!X509_up_ref(cert))
529
0
            goto err;
530
0
        resp->certifiedKeyPair->certOrEncCert->value.certificate = cert;
531
532
0
        if (pkey != NULL) {
533
0
#ifndef OPENSSL_NO_CMS
534
0
            if ((resp->certifiedKeyPair->privateKey = enc_privkey(ctx, pkey)) == NULL)
535
0
                goto err;
536
#else
537
            ERR_raise(ERR_LIB_CMP, ERR_R_UNSUPPORTED);
538
            goto err;
539
#endif
540
0
        }
541
0
    }
542
543
0
    if (!sk_OSSL_CMP_CERTRESPONSE_push(repMsg->response, resp))
544
0
        goto err;
545
0
    resp = NULL;
546
547
0
    if (bodytype == OSSL_CMP_PKIBODY_IP && caPubs != NULL
548
0
            && (repMsg->caPubs = X509_chain_up_ref(caPubs)) == NULL)
549
0
        goto err;
550
0
    if (sk_X509_num(chain) > 0
551
0
        && !ossl_x509_add_certs_new(&msg->extraCerts, chain,
552
0
                                    X509_ADD_FLAG_UP_REF | X509_ADD_FLAG_NO_DUP))
553
0
        goto err;
554
555
0
    if (!unprotectedErrors
556
0
            || ossl_cmp_pkisi_get_status(si) != OSSL_CMP_PKISTATUS_rejection)
557
0
        if (!ossl_cmp_msg_protect(ctx, msg))
558
0
            goto err;
559
560
0
    return msg;
561
562
0
 err:
563
0
    ERR_raise(ERR_LIB_CMP, CMP_R_ERROR_CREATING_CERTREP);
564
0
    OSSL_CMP_CERTRESPONSE_free(resp);
565
0
    OSSL_CMP_MSG_free(msg);
566
0
    return NULL;
567
0
}
568
569
OSSL_CMP_MSG *ossl_cmp_rr_new(OSSL_CMP_CTX *ctx)
570
173
{
571
173
    OSSL_CMP_MSG *msg = NULL;
572
173
    const X509_NAME *issuer = NULL;
573
173
    const X509_NAME *subject = NULL;
574
173
    const ASN1_INTEGER *serialNumber = NULL;
575
173
    EVP_PKEY *pubkey = NULL;
576
173
    OSSL_CMP_REVDETAILS *rd;
577
173
    int ret;
578
579
173
    if (!ossl_assert(ctx != NULL
580
173
                     && (ctx->oldCert != NULL || ctx->p10CSR != NULL
581
173
                         || (ctx->serialNumber != NULL && ctx->issuer != NULL))))
582
0
        return NULL;
583
584
173
    if ((rd = OSSL_CMP_REVDETAILS_new()) == NULL)
585
0
        goto err;
586
587
173
    if (ctx->serialNumber != NULL && ctx->issuer != NULL) {
588
0
        issuer = ctx->issuer;
589
0
        serialNumber = ctx->serialNumber;
590
173
    } else if (ctx->oldCert != NULL) {
591
173
        issuer = X509_get_issuer_name(ctx->oldCert);
592
173
        serialNumber = X509_get0_serialNumber(ctx->oldCert);
593
173
    } else if (ctx->p10CSR != NULL) {
594
0
        pubkey = X509_REQ_get0_pubkey(ctx->p10CSR);
595
0
        subject = X509_REQ_get_subject_name(ctx->p10CSR);
596
0
    } else {
597
0
        goto err;
598
0
    }
599
600
    /* Fill the template from the contents of the certificate to be revoked */
601
173
    ret = OSSL_CRMF_CERTTEMPLATE_fill(rd->certDetails, pubkey, subject,
602
173
                                      issuer, serialNumber);
603
173
    if (!ret)
604
0
        goto err;
605
606
    /* revocation reason code is optional */
607
173
    if (ctx->revocationReason != CRL_REASON_NONE
608
0
            && !add_crl_reason_extension(&rd->crlEntryDetails,
609
0
                                         ctx->revocationReason))
610
0
        goto err;
611
612
173
    if ((msg = ossl_cmp_msg_create(ctx, OSSL_CMP_PKIBODY_RR)) == NULL)
613
0
        goto err;
614
615
173
    if (!sk_OSSL_CMP_REVDETAILS_push(msg->body->value.rr, rd))
616
0
        goto err;
617
173
    rd = NULL;
618
    /* Revocation Passphrase according to section 5.3.19.9 could be set here */
619
620
173
    if (!ossl_cmp_msg_protect(ctx, msg))
621
173
        goto err;
622
623
0
    return msg;
624
625
173
 err:
626
173
    ERR_raise(ERR_LIB_CMP, CMP_R_ERROR_CREATING_RR);
627
173
    OSSL_CMP_MSG_free(msg);
628
173
    OSSL_CMP_REVDETAILS_free(rd);
629
173
    return NULL;
630
173
}
631
632
OSSL_CMP_MSG *ossl_cmp_rp_new(OSSL_CMP_CTX *ctx, const OSSL_CMP_PKISI *si,
633
                              const OSSL_CRMF_CERTID *cid, int unprotectedErrors)
634
0
{
635
0
    OSSL_CMP_REVREPCONTENT *rep = NULL;
636
0
    OSSL_CMP_PKISI *si1 = NULL;
637
0
    OSSL_CRMF_CERTID *cid_copy = NULL;
638
0
    OSSL_CMP_MSG *msg = NULL;
639
640
0
    if (!ossl_assert(ctx != NULL && si != NULL))
641
0
        return NULL;
642
643
0
    if ((msg = ossl_cmp_msg_create(ctx, OSSL_CMP_PKIBODY_RP)) == NULL)
644
0
        goto err;
645
0
    rep = msg->body->value.rp;
646
647
0
    if ((si1 = OSSL_CMP_PKISI_dup(si)) == NULL
648
0
            || !sk_OSSL_CMP_PKISI_push(rep->status, si1))
649
0
        goto err;
650
651
0
    si1 = NULL; /* ownership transferred to rep->status */
652
653
0
    if ((rep->revCerts = sk_OSSL_CRMF_CERTID_new_null()) == NULL)
654
0
        goto err;
655
0
    if (cid != NULL) {
656
0
        if ((cid_copy = OSSL_CRMF_CERTID_dup(cid)) == NULL
657
0
                || !sk_OSSL_CRMF_CERTID_push(rep->revCerts, cid_copy))
658
0
            goto err;
659
660
0
        cid_copy = NULL; /* ownership transferred to rep->revCerts */
661
0
    }
662
663
0
    if (!unprotectedErrors
664
0
            || ossl_cmp_pkisi_get_status(si) != OSSL_CMP_PKISTATUS_rejection)
665
0
        if (!ossl_cmp_msg_protect(ctx, msg))
666
0
            goto err;
667
668
0
    return msg;
669
670
0
 err:
671
0
    ERR_raise(ERR_LIB_CMP, CMP_R_ERROR_CREATING_RP);
672
0
    OSSL_CMP_PKISI_free(si1);
673
0
    OSSL_CRMF_CERTID_free(cid_copy);
674
0
    OSSL_CMP_MSG_free(msg);
675
0
    return NULL;
676
0
}
677
678
OSSL_CMP_MSG *ossl_cmp_pkiconf_new(OSSL_CMP_CTX *ctx)
679
988
{
680
988
    OSSL_CMP_MSG *msg;
681
682
988
    if (!ossl_assert(ctx != NULL))
683
0
        return NULL;
684
685
988
    if ((msg = ossl_cmp_msg_create(ctx, OSSL_CMP_PKIBODY_PKICONF)) == NULL)
686
0
        goto err;
687
988
    if (ossl_cmp_msg_protect(ctx, msg))
688
0
        return msg;
689
690
988
 err:
691
988
    ERR_raise(ERR_LIB_CMP, CMP_R_ERROR_CREATING_PKICONF);
692
988
    OSSL_CMP_MSG_free(msg);
693
988
    return NULL;
694
988
}
695
696
int ossl_cmp_msg_gen_push0_ITAV(OSSL_CMP_MSG *msg, OSSL_CMP_ITAV *itav)
697
0
{
698
0
    int bodytype;
699
700
0
    if (!ossl_assert(msg != NULL && itav != NULL))
701
0
        return 0;
702
703
0
    bodytype = OSSL_CMP_MSG_get_bodytype(msg);
704
0
    if (bodytype != OSSL_CMP_PKIBODY_GENM
705
0
            && bodytype != OSSL_CMP_PKIBODY_GENP) {
706
0
        ERR_raise(ERR_LIB_CMP, CMP_R_INVALID_ARGS);
707
0
        return 0;
708
0
    }
709
710
    /* value.genp has the same structure, so this works for genp as well */
711
0
    return OSSL_CMP_ITAV_push0_stack_item(&msg->body->value.genm, itav);
712
0
}
713
714
int ossl_cmp_msg_gen_push1_ITAVs(OSSL_CMP_MSG *msg,
715
                                 const STACK_OF(OSSL_CMP_ITAV) *itavs)
716
0
{
717
0
    int i;
718
0
    OSSL_CMP_ITAV *itav = NULL;
719
720
0
    if (!ossl_assert(msg != NULL))
721
0
        return 0;
722
723
0
    for (i = 0; i < sk_OSSL_CMP_ITAV_num(itavs); i++) {
724
0
        itav = OSSL_CMP_ITAV_dup(sk_OSSL_CMP_ITAV_value(itavs, i));
725
0
        if (itav == NULL
726
0
                || !ossl_cmp_msg_gen_push0_ITAV(msg, itav)) {
727
0
            OSSL_CMP_ITAV_free(itav);
728
0
            return 0;
729
0
        }
730
0
    }
731
0
    return 1;
732
0
}
733
734
/*
735
 * Creates a new General Message/Response with a copy of the given itav stack
736
 * returns a pointer to the PKIMessage on success, NULL on error
737
 */
738
static OSSL_CMP_MSG *gen_new(OSSL_CMP_CTX *ctx,
739
                             const STACK_OF(OSSL_CMP_ITAV) *itavs,
740
                             int body_type, int err_code)
741
1.19k
{
742
1.19k
    OSSL_CMP_MSG *msg = NULL;
743
744
1.19k
    if (!ossl_assert(ctx != NULL))
745
0
        return NULL;
746
747
1.19k
    if ((msg = ossl_cmp_msg_create(ctx, body_type)) == NULL)
748
0
        return NULL;
749
750
1.19k
    if (itavs != NULL && !ossl_cmp_msg_gen_push1_ITAVs(msg, itavs))
751
0
        goto err;
752
753
1.19k
    if (!ossl_cmp_msg_protect(ctx, msg))
754
1.19k
        goto err;
755
756
0
    return msg;
757
758
1.19k
 err:
759
1.19k
    ERR_raise(ERR_LIB_CMP, err_code);
760
1.19k
    OSSL_CMP_MSG_free(msg);
761
1.19k
    return NULL;
762
1.19k
}
763
764
OSSL_CMP_MSG *ossl_cmp_genm_new(OSSL_CMP_CTX *ctx)
765
1.19k
{
766
1.19k
    return gen_new(ctx, ctx->genm_ITAVs,
767
1.19k
                   OSSL_CMP_PKIBODY_GENM, CMP_R_ERROR_CREATING_GENM);
768
1.19k
}
769
770
OSSL_CMP_MSG *ossl_cmp_genp_new(OSSL_CMP_CTX *ctx,
771
                                const STACK_OF(OSSL_CMP_ITAV) *itavs)
772
0
{
773
0
    return gen_new(ctx, itavs,
774
0
                   OSSL_CMP_PKIBODY_GENP, CMP_R_ERROR_CREATING_GENP);
775
0
}
776
777
OSSL_CMP_MSG *ossl_cmp_error_new(OSSL_CMP_CTX *ctx, const OSSL_CMP_PKISI *si,
778
                                 int64_t errorCode, const char *details,
779
                                 int unprotected)
780
42.7k
{
781
42.7k
    OSSL_CMP_MSG *msg = NULL;
782
42.7k
    const char *lib = NULL, *reason = NULL;
783
42.7k
    OSSL_CMP_PKIFREETEXT *ft;
784
785
42.7k
    if (!ossl_assert(ctx != NULL && si != NULL))
786
0
        return NULL;
787
788
42.7k
    if ((msg = ossl_cmp_msg_create(ctx, OSSL_CMP_PKIBODY_ERROR)) == NULL)
789
0
        goto err;
790
791
42.7k
    OSSL_CMP_PKISI_free(msg->body->value.error->pKIStatusInfo);
792
42.7k
    if ((msg->body->value.error->pKIStatusInfo = OSSL_CMP_PKISI_dup(si))
793
42.7k
        == NULL)
794
0
        goto err;
795
42.7k
    if ((msg->body->value.error->errorCode = ASN1_INTEGER_new()) == NULL)
796
0
        goto err;
797
42.7k
    if (!ASN1_INTEGER_set_int64(msg->body->value.error->errorCode, errorCode))
798
0
        goto err;
799
42.7k
    if (errorCode > 0
800
42.7k
            && (uint64_t)errorCode < ((uint64_t)ERR_SYSTEM_FLAG << 1)) {
801
42.7k
        lib = ERR_lib_error_string((unsigned long)errorCode);
802
42.7k
        reason = ERR_reason_error_string((unsigned long)errorCode);
803
42.7k
    }
804
42.7k
    if (lib != NULL || reason != NULL || details != NULL) {
805
42.7k
        if ((ft = sk_ASN1_UTF8STRING_new_null()) == NULL)
806
0
            goto err;
807
42.7k
        msg->body->value.error->errorDetails = ft;
808
42.7k
        if (lib != NULL && *lib != '\0'
809
42.7k
                && !ossl_cmp_sk_ASN1_UTF8STRING_push_str(ft, lib, -1))
810
0
            goto err;
811
42.7k
        if (reason != NULL && *reason != '\0'
812
42.5k
                && !ossl_cmp_sk_ASN1_UTF8STRING_push_str(ft, reason, -1))
813
0
            goto err;
814
42.7k
        if (details != NULL
815
2.97k
                && !ossl_cmp_sk_ASN1_UTF8STRING_push_str(ft, details, -1))
816
0
            goto err;
817
42.7k
    }
818
819
42.7k
    if (!unprotected && !ossl_cmp_msg_protect(ctx, msg))
820
42.7k
        goto err;
821
0
    return msg;
822
823
42.7k
 err:
824
42.7k
    ERR_raise(ERR_LIB_CMP, CMP_R_ERROR_CREATING_ERROR);
825
42.7k
    OSSL_CMP_MSG_free(msg);
826
42.7k
    return NULL;
827
42.7k
}
828
829
/*
830
 * Set the certHash field of a OSSL_CMP_CERTSTATUS structure.
831
 * This is used in the certConf message, for example,
832
 * to confirm that the certificate was received successfully.
833
 */
834
int ossl_cmp_certstatus_set0_certHash(OSSL_CMP_CERTSTATUS *certStatus,
835
                                      ASN1_OCTET_STRING *hash)
836
0
{
837
0
    if (!ossl_assert(certStatus != NULL))
838
0
        return 0;
839
0
    ASN1_OCTET_STRING_free(certStatus->certHash);
840
0
    certStatus->certHash = hash;
841
0
    return 1;
842
0
}
843
844
OSSL_CMP_MSG *ossl_cmp_certConf_new(OSSL_CMP_CTX *ctx, int certReqId,
845
                                    int fail_info, const char *text)
846
0
{
847
0
    OSSL_CMP_MSG *msg = NULL;
848
0
    OSSL_CMP_CERTSTATUS *certStatus = NULL;
849
0
    EVP_MD *md;
850
0
    int is_fallback;
851
0
    ASN1_OCTET_STRING *certHash = NULL;
852
0
    OSSL_CMP_PKISI *sinfo;
853
854
0
    if (!ossl_assert(ctx != NULL && ctx->newCert != NULL
855
0
                     && (certReqId == OSSL_CMP_CERTREQID
856
0
                         || certReqId == OSSL_CMP_CERTREQID_NONE)))
857
0
        return NULL;
858
859
0
    if ((unsigned)fail_info > OSSL_CMP_PKIFAILUREINFO_MAX_BIT_PATTERN) {
860
0
        ERR_raise(ERR_LIB_CMP, CMP_R_FAIL_INFO_OUT_OF_RANGE);
861
0
        return NULL;
862
0
    }
863
864
0
    if ((msg = ossl_cmp_msg_create(ctx, OSSL_CMP_PKIBODY_CERTCONF)) == NULL)
865
0
        goto err;
866
867
0
    if ((certStatus = OSSL_CMP_CERTSTATUS_new()) == NULL)
868
0
        goto err;
869
    /* consume certStatus into msg right away so it gets deallocated with msg */
870
0
    if (sk_OSSL_CMP_CERTSTATUS_push(msg->body->value.certConf, certStatus) < 1) {
871
0
        OSSL_CMP_CERTSTATUS_free(certStatus);
872
0
        goto err;
873
0
    }
874
875
    /* set the ID of the certReq */
876
0
    if (!ASN1_INTEGER_set(certStatus->certReqId, certReqId))
877
0
        goto err;
878
879
0
    certStatus->hashAlg = NULL;
880
    /*
881
     * The hash of the certificate, using the same hash algorithm
882
     * as is used to create and verify the certificate signature.
883
     * If not available, a fallback hash algorithm is used.
884
     */
885
0
    if ((certHash = X509_digest_sig(ctx->newCert, &md, &is_fallback)) == NULL)
886
0
        goto err;
887
0
    if (is_fallback) {
888
0
        if (!ossl_cmp_hdr_set_pvno(msg->header, OSSL_CMP_PVNO_3))
889
0
            goto err;
890
0
        if ((certStatus->hashAlg = X509_ALGOR_new()) == NULL)
891
0
            goto err;
892
0
        X509_ALGOR_set_md(certStatus->hashAlg, md);
893
0
    }
894
0
    EVP_MD_free(md);
895
896
0
    if (!ossl_cmp_certstatus_set0_certHash(certStatus, certHash))
897
0
        goto err;
898
0
    certHash = NULL;
899
    /*
900
     * For any particular CertStatus, omission of the statusInfo field
901
     * indicates ACCEPTANCE of the specified certificate.  Alternatively,
902
     * explicit status details (with respect to acceptance or rejection) MAY
903
     * be provided in the statusInfo field, perhaps for auditing purposes at
904
     * the CA/RA.
905
     */
906
0
    sinfo = fail_info != 0 ?
907
0
        OSSL_CMP_STATUSINFO_new(OSSL_CMP_PKISTATUS_rejection, fail_info, text) :
908
0
        OSSL_CMP_STATUSINFO_new(OSSL_CMP_PKISTATUS_accepted, 0, text);
909
0
    if (sinfo == NULL)
910
0
        goto err;
911
0
    certStatus->statusInfo = sinfo;
912
913
0
    if (!ossl_cmp_msg_protect(ctx, msg))
914
0
        goto err;
915
916
0
    return msg;
917
918
0
 err:
919
0
    ERR_raise(ERR_LIB_CMP, CMP_R_ERROR_CREATING_CERTCONF);
920
0
    OSSL_CMP_MSG_free(msg);
921
0
    ASN1_OCTET_STRING_free(certHash);
922
0
    return NULL;
923
0
}
924
925
OSSL_CMP_MSG *ossl_cmp_pollReq_new(OSSL_CMP_CTX *ctx, int crid)
926
441
{
927
441
    OSSL_CMP_MSG *msg = NULL;
928
441
    OSSL_CMP_POLLREQ *preq = NULL;
929
930
441
    if (!ossl_assert(ctx != NULL))
931
0
        return NULL;
932
933
441
    if ((msg = ossl_cmp_msg_create(ctx, OSSL_CMP_PKIBODY_POLLREQ)) == NULL)
934
0
        goto err;
935
936
441
    if ((preq = OSSL_CMP_POLLREQ_new()) == NULL
937
441
            || !ASN1_INTEGER_set(preq->certReqId, crid)
938
441
            || !sk_OSSL_CMP_POLLREQ_push(msg->body->value.pollReq, preq))
939
0
        goto err;
940
941
441
    preq = NULL;
942
441
    if (!ossl_cmp_msg_protect(ctx, msg))
943
441
        goto err;
944
945
0
    return msg;
946
947
441
 err:
948
441
    ERR_raise(ERR_LIB_CMP, CMP_R_ERROR_CREATING_POLLREQ);
949
441
    OSSL_CMP_POLLREQ_free(preq);
950
441
    OSSL_CMP_MSG_free(msg);
951
441
    return NULL;
952
441
}
953
954
OSSL_CMP_MSG *ossl_cmp_pollRep_new(OSSL_CMP_CTX *ctx, int crid,
955
                                   int64_t poll_after)
956
0
{
957
0
    OSSL_CMP_MSG *msg;
958
0
    OSSL_CMP_POLLREP *prep;
959
960
0
    if (!ossl_assert(ctx != NULL))
961
0
        return NULL;
962
963
0
    if ((msg = ossl_cmp_msg_create(ctx, OSSL_CMP_PKIBODY_POLLREP)) == NULL)
964
0
        goto err;
965
0
    if ((prep = OSSL_CMP_POLLREP_new()) == NULL)
966
0
        goto err;
967
0
    if (!sk_OSSL_CMP_POLLREP_push(msg->body->value.pollRep, prep))
968
0
        goto err;
969
0
    if (!ASN1_INTEGER_set(prep->certReqId, crid))
970
0
        goto err;
971
0
    if (!ASN1_INTEGER_set_int64(prep->checkAfter, poll_after))
972
0
        goto err;
973
974
0
    if (!ossl_cmp_msg_protect(ctx, msg))
975
0
        goto err;
976
0
    return msg;
977
978
0
 err:
979
0
    ERR_raise(ERR_LIB_CMP, CMP_R_ERROR_CREATING_POLLREP);
980
0
    OSSL_CMP_MSG_free(msg);
981
0
    return NULL;
982
0
}
983
984
/*-
985
 * returns the status field of the RevRepContent with the given
986
 * request/sequence id inside a revocation response.
987
 * RevRepContent has the revocation statuses in same order as they were sent in
988
 * RevReqContent.
989
 * returns NULL on error
990
 */
991
OSSL_CMP_PKISI *
992
ossl_cmp_revrepcontent_get_pkisi(OSSL_CMP_REVREPCONTENT *rrep, int rsid)
993
0
{
994
0
    OSSL_CMP_PKISI *status;
995
996
0
    if (!ossl_assert(rrep != NULL))
997
0
        return NULL;
998
999
0
    if ((status = sk_OSSL_CMP_PKISI_value(rrep->status, rsid)) != NULL)
1000
0
        return status;
1001
1002
0
    ERR_raise(ERR_LIB_CMP, CMP_R_PKISTATUSINFO_NOT_FOUND);
1003
0
    return NULL;
1004
0
}
1005
1006
/*
1007
 * returns the CertId field in the revCerts part of the RevRepContent
1008
 * with the given request/sequence id inside a revocation response.
1009
 * RevRepContent has the CertIds in same order as they were sent in
1010
 * RevReqContent.
1011
 * returns NULL on error
1012
 */
1013
OSSL_CRMF_CERTID *
1014
ossl_cmp_revrepcontent_get_CertId(OSSL_CMP_REVREPCONTENT *rrep, int rsid)
1015
0
{
1016
0
    OSSL_CRMF_CERTID *cid = NULL;
1017
1018
0
    if (!ossl_assert(rrep != NULL))
1019
0
        return NULL;
1020
1021
0
    if ((cid = sk_OSSL_CRMF_CERTID_value(rrep->revCerts, rsid)) != NULL)
1022
0
        return cid;
1023
1024
0
    ERR_raise(ERR_LIB_CMP, CMP_R_CERTID_NOT_FOUND);
1025
0
    return NULL;
1026
0
}
1027
1028
static int suitable_rid(const ASN1_INTEGER *certReqId, int rid)
1029
0
{
1030
0
    int trid;
1031
1032
0
    if (rid == OSSL_CMP_CERTREQID_NONE)
1033
0
        return 1;
1034
1035
0
    trid = ossl_cmp_asn1_get_int(certReqId);
1036
0
    if (trid <= OSSL_CMP_CERTREQID_INVALID) {
1037
0
        ERR_raise(ERR_LIB_CMP, CMP_R_BAD_REQUEST_ID);
1038
0
        return 0;
1039
0
    }
1040
0
    return rid == trid;
1041
0
}
1042
1043
/*
1044
 * returns a pointer to the PollResponse with the given CertReqId
1045
 * (or the first one in case -1) inside a PollRepContent
1046
 * returns NULL on error or if no suitable PollResponse available
1047
 */
1048
OSSL_CMP_POLLREP *
1049
ossl_cmp_pollrepcontent_get0_pollrep(const OSSL_CMP_POLLREPCONTENT *prc,
1050
                                     int rid)
1051
0
{
1052
0
    OSSL_CMP_POLLREP *pollRep = NULL;
1053
0
    int i;
1054
1055
0
    if (!ossl_assert(prc != NULL))
1056
0
        return NULL;
1057
1058
0
    for (i = 0; i < sk_OSSL_CMP_POLLREP_num(prc); i++) {
1059
0
        pollRep = sk_OSSL_CMP_POLLREP_value(prc, i);
1060
0
        if (suitable_rid(pollRep->certReqId, rid))
1061
0
            return pollRep;
1062
0
    }
1063
1064
0
    ERR_raise_data(ERR_LIB_CMP, CMP_R_CERTRESPONSE_NOT_FOUND,
1065
0
                   "expected certReqId = %d", rid);
1066
0
    return NULL;
1067
0
}
1068
1069
/*
1070
 * returns a pointer to the CertResponse with the given CertReqId
1071
 * (or the first one in case -1) inside a CertRepMessage
1072
 * returns NULL on error or if no suitable CertResponse available
1073
 */
1074
OSSL_CMP_CERTRESPONSE *
1075
ossl_cmp_certrepmessage_get0_certresponse(const OSSL_CMP_CERTREPMESSAGE *crm,
1076
                                          int rid)
1077
0
{
1078
0
    OSSL_CMP_CERTRESPONSE *crep = NULL;
1079
0
    int i;
1080
1081
0
    if (!ossl_assert(crm != NULL && crm->response != NULL))
1082
0
        return NULL;
1083
1084
0
    for (i = 0; i < sk_OSSL_CMP_CERTRESPONSE_num(crm->response); i++) {
1085
0
        crep = sk_OSSL_CMP_CERTRESPONSE_value(crm->response, i);
1086
0
        if (suitable_rid(crep->certReqId, rid))
1087
0
            return crep;
1088
0
    }
1089
1090
0
    ERR_raise_data(ERR_LIB_CMP, CMP_R_CERTRESPONSE_NOT_FOUND,
1091
0
                   "expected certReqId = %d", rid);
1092
0
    return NULL;
1093
0
}
1094
1095
/*-
1096
 * Retrieve newly enrolled certificate and key from the given certResponse crep.
1097
 * Stores any centrally generated key in ctx->newPkey.
1098
 * In case of indirect POPO uses ctx->newPkey to decrypt the new certificate.
1099
 * Returns a pointer to a copy of the found certificate, or NULL if not found.
1100
 */
1101
X509 *ossl_cmp_certresponse_get1_cert(const OSSL_CMP_CTX *ctx, const OSSL_CMP_CERTRESPONSE *crep)
1102
0
{
1103
0
    OSSL_CMP_CERTORENCCERT *coec;
1104
0
    X509 *crt = NULL;
1105
0
    OSSL_CRMF_ENCRYPTEDKEY *encr_key;
1106
0
    EVP_PKEY *pkey = NULL;
1107
0
    int central_keygen = OSSL_CMP_CTX_get_option(ctx, OSSL_CMP_OPT_POPO_METHOD)
1108
0
        == OSSL_CRMF_POPO_NONE;
1109
1110
0
    if (crep->certifiedKeyPair == NULL) {
1111
0
        ERR_raise(ERR_LIB_CMP, CMP_R_CERTIFICATE_NOT_FOUND);
1112
0
        return NULL;
1113
0
    }
1114
0
    encr_key = crep->certifiedKeyPair->privateKey;
1115
0
    if (encr_key == NULL && central_keygen) {
1116
0
        ERR_raise(ERR_LIB_CMP, CMP_R_MISSING_CENTRAL_GEN_KEY);
1117
0
        return NULL;
1118
0
    }
1119
0
    if (encr_key != NULL) {
1120
0
        if (!central_keygen) {
1121
0
            ERR_raise(ERR_LIB_CMP, CMP_R_UNEXPECTED_CENTRAL_GEN_KEY);
1122
0
            return NULL;
1123
0
        }
1124
        /* found encrypted private key, try to extract */
1125
0
        pkey = OSSL_CRMF_ENCRYPTEDKEY_get1_pkey(encr_key, ctx->trusted,
1126
0
                                                ctx->untrusted,
1127
0
                                                ctx->pkey, ctx->cert,
1128
0
                                                ctx->secretValue,
1129
0
                                                ctx->libctx, ctx->propq);
1130
0
        if (pkey == NULL) {
1131
0
            ERR_raise(ERR_LIB_CMP, CMP_R_FAILED_EXTRACTING_CENTRAL_GEN_KEY);
1132
0
            return NULL;
1133
0
        }
1134
0
        OSSL_CMP_CTX_set0_newPkey((OSSL_CMP_CTX *)ctx, 1, pkey);
1135
0
    }
1136
1137
0
    if (!ossl_assert(crep != NULL && ctx != NULL))
1138
0
        return NULL;
1139
1140
0
    if ((coec = crep->certifiedKeyPair->certOrEncCert) != NULL) {
1141
0
        switch (coec->type) {
1142
0
        case OSSL_CMP_CERTORENCCERT_CERTIFICATE:
1143
0
            crt = X509_dup(coec->value.certificate);
1144
0
            break;
1145
0
        case OSSL_CMP_CERTORENCCERT_ENCRYPTEDCERT:
1146
            /* cert encrypted for indirect PoP; RFC 9810, 5.2.8.3.2 */
1147
0
            pkey = OSSL_CMP_CTX_get0_newPkey(ctx, 1);
1148
            /* pkey is ctx->newPkey (if private, else NULL) or ctx->pkey */
1149
0
            if (pkey == NULL) {
1150
0
                ERR_raise(ERR_LIB_CMP, CMP_R_MISSING_PRIVATE_KEY);
1151
0
                return NULL;
1152
0
            }
1153
0
            crt = OSSL_CRMF_ENCRYPTEDKEY_get1_encCert(coec->value.encryptedCert,
1154
0
                                                      ctx->libctx, ctx->propq, pkey, 0);
1155
0
            break;
1156
0
        default:
1157
0
            ERR_raise(ERR_LIB_CMP, CMP_R_UNKNOWN_CERT_TYPE);
1158
0
            return NULL;
1159
0
        }
1160
0
    }
1161
0
    if (crt == NULL)
1162
0
        ERR_raise(ERR_LIB_CMP, CMP_R_CERTIFICATE_NOT_FOUND);
1163
0
    else
1164
0
        (void)ossl_x509_set0_libctx(crt, ctx->libctx, ctx->propq);
1165
0
    return crt;
1166
0
}
1167
1168
int OSSL_CMP_MSG_update_transactionID(OSSL_CMP_CTX *ctx, OSSL_CMP_MSG *msg)
1169
0
{
1170
0
    if (ctx == NULL || msg == NULL) {
1171
0
        ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
1172
0
        return 0;
1173
0
    }
1174
0
    if (!ossl_cmp_hdr_set_transactionID(ctx, msg->header))
1175
0
        return 0;
1176
0
    return msg->header->protectionAlg == NULL
1177
0
            || ossl_cmp_msg_protect(ctx, msg);
1178
0
}
1179
1180
int OSSL_CMP_MSG_update_recipNonce(OSSL_CMP_CTX *ctx, OSSL_CMP_MSG *msg)
1181
0
{
1182
0
    if (ctx == NULL || msg == NULL || msg->header == NULL) {
1183
0
        ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
1184
0
        return 0;
1185
0
    }
1186
0
    if (ctx->recipNonce == NULL) /* nothing to do for 1st msg in transaction */
1187
0
        return 1;
1188
0
    if (!ossl_cmp_asn1_octet_string_set1(&msg->header->recipNonce,
1189
0
                                         ctx->recipNonce))
1190
0
        return 0;
1191
0
    return msg->header->protectionAlg == NULL || ossl_cmp_msg_protect(ctx, msg);
1192
0
}
1193
1194
OSSL_CMP_MSG *OSSL_CMP_MSG_read(const char *file, OSSL_LIB_CTX *libctx,
1195
                                const char *propq)
1196
0
{
1197
0
    OSSL_CMP_MSG *msg;
1198
0
    BIO *bio = NULL;
1199
1200
0
    if (file == NULL) {
1201
0
        ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
1202
0
        return NULL;
1203
0
    }
1204
1205
0
    msg = OSSL_CMP_MSG_new(libctx, propq);
1206
0
    if (msg == NULL) {
1207
0
        ERR_raise(ERR_LIB_CMP, ERR_R_CMP_LIB);
1208
0
        return NULL;
1209
0
    }
1210
1211
0
    if ((bio = BIO_new_file(file, "rb")) == NULL
1212
0
            || d2i_OSSL_CMP_MSG_bio(bio, &msg) == NULL) {
1213
0
        OSSL_CMP_MSG_free(msg);
1214
0
        msg = NULL;
1215
0
    }
1216
0
    BIO_free(bio);
1217
0
    return msg;
1218
0
}
1219
1220
int OSSL_CMP_MSG_write(const char *file, const OSSL_CMP_MSG *msg)
1221
0
{
1222
0
    BIO *bio;
1223
0
    int res;
1224
1225
0
    if (file == NULL || msg == NULL) {
1226
0
        ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
1227
0
        return -1;
1228
0
    }
1229
1230
0
    bio = BIO_new_file(file, "wb");
1231
0
    if (bio == NULL)
1232
0
        return -2;
1233
0
    res = i2d_OSSL_CMP_MSG_bio(bio, msg);
1234
0
    BIO_free(bio);
1235
0
    return res;
1236
0
}
1237
1238
OSSL_CMP_MSG *d2i_OSSL_CMP_MSG(OSSL_CMP_MSG **msg, const unsigned char **in,
1239
                               long len)
1240
0
{
1241
0
    OSSL_LIB_CTX *libctx = NULL;
1242
0
    const char *propq = NULL;
1243
1244
0
    if (msg != NULL && *msg != NULL) {
1245
0
        libctx  = (*msg)->libctx;
1246
0
        propq = (*msg)->propq;
1247
0
    }
1248
1249
0
    return (OSSL_CMP_MSG *)ASN1_item_d2i_ex((ASN1_VALUE **)msg, in, len,
1250
0
                                            ASN1_ITEM_rptr(OSSL_CMP_MSG),
1251
0
                                            libctx, propq);
1252
0
}
1253
1254
int i2d_OSSL_CMP_MSG(const OSSL_CMP_MSG *msg, unsigned char **out)
1255
85.5k
{
1256
85.5k
    return ASN1_item_i2d((const ASN1_VALUE *)msg, out,
1257
85.5k
                         ASN1_ITEM_rptr(OSSL_CMP_MSG));
1258
85.5k
}
1259
1260
OSSL_CMP_MSG *d2i_OSSL_CMP_MSG_bio(BIO *bio, OSSL_CMP_MSG **msg)
1261
62.3k
{
1262
62.3k
    OSSL_LIB_CTX *libctx = NULL;
1263
62.3k
    const char *propq = NULL;
1264
1265
62.3k
    if (msg != NULL && *msg != NULL) {
1266
0
        libctx  = (*msg)->libctx;
1267
0
        propq = (*msg)->propq;
1268
0
    }
1269
1270
62.3k
    return ASN1_item_d2i_bio_ex(ASN1_ITEM_rptr(OSSL_CMP_MSG), bio, msg, libctx,
1271
62.3k
                                propq);
1272
62.3k
}
1273
1274
int i2d_OSSL_CMP_MSG_bio(BIO *bio, const OSSL_CMP_MSG *msg)
1275
42.7k
{
1276
42.7k
    return ASN1_i2d_bio_of(OSSL_CMP_MSG, i2d_OSSL_CMP_MSG, bio, msg);
1277
42.7k
}
1278
1279
int ossl_cmp_is_error_with_waiting(const OSSL_CMP_MSG *msg)
1280
0
{
1281
0
    if (!ossl_assert(msg != NULL))
1282
0
        return 0;
1283
1284
0
    return (OSSL_CMP_MSG_get_bodytype(msg) == OSSL_CMP_PKIBODY_ERROR
1285
0
            && ossl_cmp_pkisi_get_status(msg->body->value.error->pKIStatusInfo)
1286
0
            == OSSL_CMP_PKISTATUS_waiting);
1287
0
}