Class: OpenSSL::PKCS7

Inherits:
Object
  • Object
show all
Defined in:
ossl_pkcs7.c

Defined Under Namespace

Classes: PKCS7Error, RecipientInfo, SignerInfo

Constant Summary collapse

Signer = 
cPKCS7Signer

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#new ⇒ Object #new(string) ⇒ Object

Many methods in this class aren’t documented.



351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
 
# File 'ossl_pkcs7.c', line 351

static VALUE
ossl_pkcs7_initialize(int argc, VALUE *argv, VALUE self)
{
    PKCS7 *p7, *pkcs = DATA_PTR(self);
    BIO *in;
    VALUE arg;

    if(rb_scan_args(argc, argv, "01", &arg) == 0)
	return self;
    arg = ossl_to_der_if_possible(arg);
    in = ossl_obj2bio(&arg);
    p7 = PEM_read_bio_PKCS7(in, &pkcs, NULL, NULL);
    if (!p7) {
	OSSL_BIO_reset(in);
        p7 = d2i_PKCS7_bio(in, &pkcs);
	if (!p7) {
	    BIO_free(in);
	    PKCS7_free(pkcs);
	    DATA_PTR(self) = NULL;
	    ossl_raise(rb_eArgError, "Could not parse the PKCS7");
	}
    }
    DATA_PTR(self) = pkcs;
    BIO_free(in);
    ossl_pkcs7_set_data(self, Qnil);
    ossl_pkcs7_set_err_string(self, Qnil);

    return self;
}

Class Method Details

.encrypt(certs, data, [, cipher [, flags]]) ⇒ Object 



281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
 
# File 'ossl_pkcs7.c', line 281

static VALUE
ossl_pkcs7_s_encrypt(int argc, VALUE *argv, VALUE klass)
{
    VALUE certs, data, cipher, flags;
    STACK_OF(X509) *x509s;
    BIO *in;
    const EVP_CIPHER *ciph;
    int flg, status = 0;
    VALUE ret;
    PKCS7 *p7;

    rb_scan_args(argc, argv, "22", &certs, &data, &cipher, &flags);
    if(NIL_P(cipher)){
#if !defined(OPENSSL_NO_RC2)
	ciph = EVP_rc2_40_cbc();
#elif !defined(OPENSSL_NO_DES)
	ciph = EVP_des_ede3_cbc();
#elif !defined(OPENSSL_NO_RC2)
	ciph = EVP_rc2_40_cbc();
#elif !defined(OPENSSL_NO_AES)
	ciph = EVP_EVP_aes_128_cbc();
#else
	ossl_raise(ePKCS7Error, "Must specify cipher");
#endif

    }
    else ciph = ossl_evp_get_cipherbyname(cipher);
    flg = NIL_P(flags) ? 0 : NUM2INT(flags);
    ret = NewPKCS7(cPKCS7);
    in = ossl_obj2bio(&data);
    x509s = ossl_protect_x509_ary2sk(certs, &status);
    if(status){
	BIO_free(in);
	rb_jump_tag(status);
    }
    if(!(p7 = PKCS7_encrypt(x509s, in, (EVP_CIPHER*)ciph, flg))){
	BIO_free(in);
	sk_X509_pop_free(x509s, X509_free);
	ossl_raise(ePKCS7Error, NULL);
    }
    BIO_free(in);
    SetPKCS7(ret, p7);
    ossl_pkcs7_set_data(ret, data);
    sk_X509_pop_free(x509s, X509_free);

    return ret;
}

.read_smime(string) ⇒ Object 



177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
 
# File 'ossl_pkcs7.c', line 177

static VALUE
ossl_pkcs7_s_read_smime(VALUE klass, VALUE arg)
{
    BIO *in, *out;
    PKCS7 *pkcs7;
    VALUE ret, data;

    ret = NewPKCS7(cPKCS7);
    in = ossl_obj2bio(&arg);
    out = NULL;
    pkcs7 = SMIME_read_PKCS7(in, &out);
    BIO_free(in);
    if(!pkcs7) ossl_raise(ePKCS7Error, NULL);
    data = out ? ossl_membio2str(out) : Qnil;
    SetPKCS7(ret, pkcs7);
    ossl_pkcs7_set_data(ret, data);
    ossl_pkcs7_set_err_string(ret, Qnil);

    return ret;
}

.sign(cert, key, data, [, certs [, flags]]) ⇒ Object 



237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
 
# File 'ossl_pkcs7.c', line 237

static VALUE
ossl_pkcs7_s_sign(int argc, VALUE *argv, VALUE klass)
{
    VALUE cert, key, data, certs, flags;
    X509 *x509;
    EVP_PKEY *pkey;
    BIO *in;
    STACK_OF(X509) *x509s;
    int flg, status = 0;
    PKCS7 *pkcs7;
    VALUE ret;

    rb_scan_args(argc, argv, "32", &cert, &key, &data, &certs, &flags);
    x509 = GetX509CertPtr(cert); /* NO NEED TO DUP */
    pkey = GetPrivPKeyPtr(key); /* NO NEED TO DUP */
    flg = NIL_P(flags) ? 0 : NUM2INT(flags);
    ret = NewPKCS7(cPKCS7);
    in = ossl_obj2bio(&data);
    if(NIL_P(certs)) x509s = NULL;
    else{
	x509s = ossl_protect_x509_ary2sk(certs, &status);
	if(status){
	    BIO_free(in);
	    rb_jump_tag(status);
	}
    }
    if(!(pkcs7 = PKCS7_sign(x509, pkey, x509s, in, flg))){
	BIO_free(in);
	sk_X509_pop_free(x509s, X509_free);
	ossl_raise(ePKCS7Error, NULL);
    }
    SetPKCS7(ret, pkcs7);
    ossl_pkcs7_set_data(ret, data);
    ossl_pkcs7_set_err_string(ret, Qnil);
    BIO_free(in);
    sk_X509_pop_free(x509s, X509_free);

    return ret;
}

.write_smime(pkcs7[, data [, flags]]) ⇒ String

Returns:

  • (String) 


202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
 
# File 'ossl_pkcs7.c', line 202

static VALUE
ossl_pkcs7_s_write_smime(int argc, VALUE *argv, VALUE klass)
{
    VALUE pkcs7, data, flags;
    BIO *out, *in;
    PKCS7 *p7;
    VALUE str;
    int flg;

    rb_scan_args(argc, argv, "12", &pkcs7, &data, &flags);
    flg = NIL_P(flags) ? 0 : NUM2INT(flags);
    if(NIL_P(data)) data = ossl_pkcs7_get_data(pkcs7);
    GetPKCS7(pkcs7, p7);
    if(!NIL_P(data) && PKCS7_is_detached(p7))
	flg |= PKCS7_DETACHED;
    in = NIL_P(data) ? NULL : ossl_obj2bio(&data);
    if(!(out = BIO_new(BIO_s_mem()))){
        BIO_free(in);
        ossl_raise(ePKCS7Error, NULL);
    }
    if(!SMIME_write_PKCS7(out, p7, in, flg)){
        BIO_free(out);
        BIO_free(in);
        ossl_raise(ePKCS7Error, NULL);
    }
    BIO_free(in);
    str = ossl_membio2str(out);

    return str;
}

Instance Method Details

#add_certificate(cert) ⇒ Object 



610
611
612
613
614
615
616
617
618
619
620
621
622
623
 
# File 'ossl_pkcs7.c', line 610

static VALUE
ossl_pkcs7_add_certificate(VALUE self, VALUE cert)
{
    PKCS7 *pkcs7;
    X509 *x509;

    GetPKCS7(self, pkcs7);
    x509 = GetX509CertPtr(cert);  /* NO NEED TO DUP */
    if (!PKCS7_add_certificate(pkcs7, x509)){
	ossl_raise(ePKCS7Error, NULL);
    }

    return self;
}

#add_crl(crl) ⇒ Object 



696
697
698
699
700
701
702
703
704
705
706
707
708
709
 
# File 'ossl_pkcs7.c', line 696

static VALUE
ossl_pkcs7_add_crl(VALUE self, VALUE crl)
{
    PKCS7 *pkcs7;
    X509_CRL *x509crl;

    GetPKCS7(self, pkcs7); /* NO DUP needed! */
    x509crl = GetX509CRLPtr(crl);
    if (!PKCS7_add_crl(pkcs7, x509crl)) {
	ossl_raise(ePKCS7Error, NULL);
    }

    return self;
}

#add_data(data) ⇒ Object Also known as: data= 



807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
 
# File 'ossl_pkcs7.c', line 807

static VALUE
ossl_pkcs7_add_data(VALUE self, VALUE data)
{
    PKCS7 *pkcs7;
    BIO *out, *in;
    char buf[4096];
    int len;

    GetPKCS7(self, pkcs7);
    if(PKCS7_type_is_signed(pkcs7)){
	if(!PKCS7_content_new(pkcs7, NID_pkcs7_data))
	    ossl_raise(ePKCS7Error, NULL);
    }
    in = ossl_obj2bio(&data);
    if(!(out = PKCS7_dataInit(pkcs7, NULL))) goto err;
    for(;;){
	if((len = BIO_read(in, buf, sizeof(buf))) <= 0)
	    break;
	if(BIO_write(out, buf, len) != len)
	    goto err;
    }
    if(!PKCS7_dataFinal(pkcs7, out)) goto err;
    ossl_pkcs7_set_data(self, Qnil);

 err:
    BIO_free_all(out);
    BIO_free(in);
    if(ERR_peek_error()){
	ossl_raise(ePKCS7Error, NULL);
    }

    return data;
}

#add_recipient(recip) ⇒ Object 



566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
 
# File 'ossl_pkcs7.c', line 566

static VALUE
ossl_pkcs7_add_recipient(VALUE self, VALUE recip)
{
    PKCS7 *pkcs7;
    PKCS7_RECIP_INFO *ri;

    ri = DupPKCS7RecipientPtr(recip); /* NEED TO DUP */
    GetPKCS7(self, pkcs7);
    if (!PKCS7_add_recipient_info(pkcs7, ri)) {
	PKCS7_RECIP_INFO_free(ri);
	ossl_raise(ePKCS7Error, "Could not add recipient.");
    }

    return self;
}

#add_signer(signer) ⇒ Object 



520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
 
# File 'ossl_pkcs7.c', line 520

static VALUE
ossl_pkcs7_add_signer(VALUE self, VALUE signer)
{
    PKCS7 *pkcs7;
    PKCS7_SIGNER_INFO *p7si;

    p7si = DupPKCS7SignerPtr(signer); /* NEED TO DUP */
    GetPKCS7(self, pkcs7);
    if (!PKCS7_add_signer(pkcs7, p7si)) {
	PKCS7_SIGNER_INFO_free(p7si);
	ossl_raise(ePKCS7Error, "Could not add signer.");
    }
    if (PKCS7_type_is_signed(pkcs7)){
	PKCS7_add_signed_attribute(p7si, NID_pkcs9_contentType,
				   V_ASN1_OBJECT, OBJ_nid2obj(NID_pkcs7_data));
    }

    return self;
}

#certificates ⇒ Object 



690
691
692
693
694
 
# File 'ossl_pkcs7.c', line 690

static VALUE
ossl_pkcs7_get_certificates(VALUE self)
{
    return ossl_x509_sk2ary(pkcs7_get_certs(self));
}

#certificates=(ary) ⇒ Object 



677
678
679
680
681
682
683
684
685
686
687
688
 
# File 'ossl_pkcs7.c', line 677

static VALUE
ossl_pkcs7_set_certificates(VALUE self, VALUE ary)
{
    STACK_OF(X509) *certs;
    X509 *cert;

    certs = pkcs7_get_certs(self);
    while((cert = sk_X509_pop(certs))) X509_free(cert);
    rb_block_call(ary, rb_intern("each"), 0, 0, ossl_pkcs7_set_certs_i, self);

    return ary;
}

#cipher=(cipher) ⇒ Object 



507
508
509
510
511
512
513
514
515
516
517
518
 
# File 'ossl_pkcs7.c', line 507

static VALUE
ossl_pkcs7_set_cipher(VALUE self, VALUE cipher)
{
    PKCS7 *pkcs7;

    GetPKCS7(self, pkcs7);
    if (!PKCS7_set_cipher(pkcs7, ossl_evp_get_cipherbyname(cipher))) {
	ossl_raise(ePKCS7Error, NULL);
    }

    return cipher;
}

#crls ⇒ Object 



730
731
732
733
734
 
# File 'ossl_pkcs7.c', line 730

static VALUE
ossl_pkcs7_get_crls(VALUE self)
{
    return ossl_x509crl_sk2ary(pkcs7_get_crls(self));
}

#crls=(ary) ⇒ Object 



717
718
719
720
721
722
723
724
725
726
727
728
 
# File 'ossl_pkcs7.c', line 717

static VALUE
ossl_pkcs7_set_crls(VALUE self, VALUE ary)
{
    STACK_OF(X509_CRL) *crls;
    X509_CRL *crl;

    crls = pkcs7_get_crls(self);
    while((crl = sk_X509_CRL_pop(crls))) X509_CRL_free(crl);
    rb_block_call(ary, rb_intern("each"), 0, 0, ossl_pkcs7_set_crls_i, self);

    return ary;
}

#decrypt(*args) ⇒ Object 



780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
 
# File 'ossl_pkcs7.c', line 780

static VALUE
ossl_pkcs7_decrypt(int argc, VALUE *argv, VALUE self)
{
    VALUE pkey, cert, flags;
    EVP_PKEY *key;
    X509 *x509;
    int flg;
    PKCS7 *p7;
    BIO *out;
    VALUE str;

    rb_scan_args(argc, argv, "12", &pkey, &cert, &flags);
    key = GetPrivPKeyPtr(pkey); /* NO NEED TO DUP */
    x509 = NIL_P(cert) ? NULL : GetX509CertPtr(cert); /* NO NEED TO DUP */
    flg = NIL_P(flags) ? 0 : NUM2INT(flags);
    GetPKCS7(self, p7);
    if(!(out = BIO_new(BIO_s_mem())))
	ossl_raise(ePKCS7Error, NULL);
    if(!PKCS7_decrypt(p7, key, x509, out, flg)){
	BIO_free(out);
	ossl_raise(ePKCS7Error, NULL);
    }
    str = ossl_membio2str(out); /* out will be free */

    return str;
}

#detached ⇒ Object 



491
492
493
494
495
496
497
 
# File 'ossl_pkcs7.c', line 491

static VALUE
ossl_pkcs7_get_detached(VALUE self)
{
    PKCS7 *p7;
    GetPKCS7(self, p7);
    return PKCS7_get_detached(p7) ? Qtrue : Qfalse;
}

#detached=(flag) ⇒ Object 



477
478
479
480
481
482
483
484
485
486
487
488
489
 
# File 'ossl_pkcs7.c', line 477

static VALUE
ossl_pkcs7_set_detached(VALUE self, VALUE flag)
{
    PKCS7 *p7;

    GetPKCS7(self, p7);
    if(flag != Qtrue && flag != Qfalse)
	ossl_raise(ePKCS7Error, "must specify a boolean");
    if(!PKCS7_set_detached(p7, flag == Qtrue ? 1 : 0))
	ossl_raise(ePKCS7Error, NULL);

    return flag;
}

#detached? ⇒ Boolean

Returns:

  • (Boolean) 


499
500
501
502
503
504
505
 
# File 'ossl_pkcs7.c', line 499

static VALUE
ossl_pkcs7_detached_p(VALUE self)
{
    PKCS7 *p7;
    GetPKCS7(self, p7);
    return PKCS7_is_detached(p7) ? Qtrue : Qfalse;
}

#initialize_copy(other) ⇒ Object 



381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
 
# File 'ossl_pkcs7.c', line 381

static VALUE
ossl_pkcs7_copy(VALUE self, VALUE other)
{
    PKCS7 *a, *b, *pkcs7;

    rb_check_frozen(self);
    if (self == other) return self;

    GetPKCS7(self, a);
    GetPKCS7(other, b);

    pkcs7 = PKCS7_dup(b);
    if (!pkcs7) {
	ossl_raise(ePKCS7Error, NULL);
    }
    DATA_PTR(self) = pkcs7;
    PKCS7_free(a);

    return self;
}

#recipients ⇒ Object 



582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
 
# File 'ossl_pkcs7.c', line 582

static VALUE
ossl_pkcs7_get_recipient(VALUE self)
{
    PKCS7 *pkcs7;
    STACK_OF(PKCS7_RECIP_INFO) *sk;
    PKCS7_RECIP_INFO *si;
    int num, i;
    VALUE ary;

    GetPKCS7(self, pkcs7);
    if (PKCS7_type_is_enveloped(pkcs7))
	sk = pkcs7->d.enveloped->recipientinfo;
    else if (PKCS7_type_is_signedAndEnveloped(pkcs7))
	sk = pkcs7->d.signed_and_enveloped->recipientinfo;
    else sk = NULL;
    if (!sk) return rb_ary_new();
    if ((num = sk_PKCS7_RECIP_INFO_num(sk)) < 0) {
	ossl_raise(ePKCS7Error, "Negative number of recipient!");
    }
    ary = rb_ary_new2(num);
    for (i=0; i<num; i++) {
	si = sk_PKCS7_RECIP_INFO_value(sk, i);
	rb_ary_push(ary, ossl_pkcs7ri_new(si));
    }

    return ary;
}

#signers ⇒ Object 



540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
 
# File 'ossl_pkcs7.c', line 540

static VALUE
ossl_pkcs7_get_signer(VALUE self)
{
    PKCS7 *pkcs7;
    STACK_OF(PKCS7_SIGNER_INFO) *sk;
    PKCS7_SIGNER_INFO *si;
    int num, i;
    VALUE ary;

    GetPKCS7(self, pkcs7);
    if (!(sk = PKCS7_get_signer_info(pkcs7))) {
	OSSL_Debug("OpenSSL::PKCS7#get_signer_info == NULL!");
	return rb_ary_new();
    }
    if ((num = sk_PKCS7_SIGNER_INFO_num(sk)) < 0) {
	ossl_raise(ePKCS7Error, "Negative number of signers!");
    }
    ary = rb_ary_new2(num);
    for (i=0; i<num; i++) {
	si = sk_PKCS7_SIGNER_INFO_value(sk, i);
	rb_ary_push(ary, ossl_pkcs7si_new(si));
    }

    return ary;
}

#to_der ⇒ Object 



841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
 
# File 'ossl_pkcs7.c', line 841

static VALUE
ossl_pkcs7_to_der(VALUE self)
{
    PKCS7 *pkcs7;
    VALUE str;
    long len;
    unsigned char *p;

    GetPKCS7(self, pkcs7);
    if((len = i2d_PKCS7(pkcs7, NULL)) <= 0)
	ossl_raise(ePKCS7Error, NULL);
    str = rb_str_new(0, len);
    p = (unsigned char *)RSTRING_PTR(str);
    if(i2d_PKCS7(pkcs7, &p) <= 0)
	ossl_raise(ePKCS7Error, NULL);
    ossl_str_adjust(str, p);

    return str;
}

#to_pem ⇒ Object Also known as: to_s 



861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
 
# File 'ossl_pkcs7.c', line 861

static VALUE
ossl_pkcs7_to_pem(VALUE self)
{
    PKCS7 *pkcs7;
    BIO *out;
    VALUE str;

    GetPKCS7(self, pkcs7);
    if (!(out = BIO_new(BIO_s_mem()))) {
	ossl_raise(ePKCS7Error, NULL);
    }
    if (!PEM_write_bio_PKCS7(out, pkcs7)) {
	BIO_free(out);
	ossl_raise(ePKCS7Error, NULL);
    }
    str = ossl_membio2str(out);

    return str;
}

#type ⇒ String?

Returns:

  • (String, nil) 


458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
 
# File 'ossl_pkcs7.c', line 458

static VALUE
ossl_pkcs7_get_type(VALUE self)
{
    PKCS7 *p7;

    GetPKCS7(self, p7);
    if(PKCS7_type_is_signed(p7))
	return ID2SYM(rb_intern("signed"));
    if(PKCS7_type_is_encrypted(p7))
	return ID2SYM(rb_intern("encrypted"));
    if(PKCS7_type_is_enveloped(p7))
	return ID2SYM(rb_intern("enveloped"));
    if(PKCS7_type_is_signedAndEnveloped(p7))
	return ID2SYM(rb_intern("signedAndEnveloped"));
    if(PKCS7_type_is_data(p7))
	return ID2SYM(rb_intern("data"));
    return Qnil;
}

#type=(type) ⇒ Object 



442
443
444
445
446
447
448
449
450
451
452
 
# File 'ossl_pkcs7.c', line 442

static VALUE
ossl_pkcs7_set_type(VALUE self, VALUE type)
{
    PKCS7 *p7;

    GetPKCS7(self, p7);
    if(!PKCS7_set_type(p7, ossl_pkcs7_sym2typeid(type)))
	ossl_raise(ePKCS7Error, NULL);

    return type;
}

#verify(*args) ⇒ Object 



736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
 
# File 'ossl_pkcs7.c', line 736

static VALUE
ossl_pkcs7_verify(int argc, VALUE *argv, VALUE self)
{
    VALUE certs, store, indata, flags;
    STACK_OF(X509) *x509s;
    X509_STORE *x509st;
    int flg, ok, status = 0;
    BIO *in, *out;
    PKCS7 *p7;
    VALUE data;
    const char *msg;

    GetPKCS7(self, p7);
    rb_scan_args(argc, argv, "22", &certs, &store, &indata, &flags);
    x509st = GetX509StorePtr(store);
    flg = NIL_P(flags) ? 0 : NUM2INT(flags);
    if(NIL_P(indata)) indata = ossl_pkcs7_get_data(self);
    in = NIL_P(indata) ? NULL : ossl_obj2bio(&indata);
    if(NIL_P(certs)) x509s = NULL;
    else{
	x509s = ossl_protect_x509_ary2sk(certs, &status);
	if(status){
	    BIO_free(in);
	    rb_jump_tag(status);
	}
    }
    if(!(out = BIO_new(BIO_s_mem()))){
	BIO_free(in);
	sk_X509_pop_free(x509s, X509_free);
	ossl_raise(ePKCS7Error, NULL);
    }
    ok = PKCS7_verify(p7, x509s, x509st, in, out, flg);
    BIO_free(in);
    sk_X509_pop_free(x509s, X509_free);
    if (ok < 0) ossl_raise(ePKCS7Error, "PKCS7_verify");
    msg = ERR_reason_error_string(ERR_peek_error());
    ossl_pkcs7_set_err_string(self, msg ? rb_str_new2(msg) : Qnil);
    ossl_clear_error();
    data = ossl_membio2str(out);
    ossl_pkcs7_set_data(self, data);

    return (ok == 1) ? Qtrue : Qfalse;
}