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

#newObject #new(string) ⇒ Object

Many methods in this class aren't documented.


362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
# File 'ossl_pkcs7.c', line 362

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


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
328
329
330
331
332
333
334
335
336
337
338
# File 'ossl_pkcs7.c', line 292

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 = GetCipherPtr(cipher); /* NO NEED TO DUP */
    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


188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
# File 'ossl_pkcs7.c', line 188

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


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
276
277
278
279
280
281
282
283
284
285
286
# File 'ossl_pkcs7.c', line 248

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)

213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
# File 'ossl_pkcs7.c', line 213

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);
    SafeGetPKCS7(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


620
621
622
623
624
625
626
627
628
629
630
631
632
633
# File 'ossl_pkcs7.c', line 620

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


706
707
708
709
710
711
712
713
714
715
716
717
718
719
# File 'ossl_pkcs7.c', line 706

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=


817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
# File 'ossl_pkcs7.c', line 817

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

    in = ossl_obj2bio(data);
    GetPKCS7(self, pkcs7);
    if(PKCS7_type_is_signed(pkcs7)){
	if(!PKCS7_content_new(pkcs7, NID_pkcs7_data))
	    ossl_raise(ePKCS7Error, NULL);
    }
    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(out);
    BIO_free(in);
    if(ERR_peek_error()){
	ossl_raise(ePKCS7Error, NULL);
    }

    return data;
}

#add_recipient(recip) ⇒ Object


576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
# File 'ossl_pkcs7.c', line 576

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


530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
# File 'ossl_pkcs7.c', line 530

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;
}

#certificatesObject


700
701
702
703
704
# File 'ossl_pkcs7.c', line 700

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

#certificates=(ary) ⇒ Object


687
688
689
690
691
692
693
694
695
696
697
698
# File 'ossl_pkcs7.c', line 687

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


517
518
519
520
521
522
523
524
525
526
527
528
# File 'ossl_pkcs7.c', line 517

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

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

    return cipher;
}

#crlsObject


740
741
742
743
744
# File 'ossl_pkcs7.c', line 740

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

#crls=(ary) ⇒ Object


727
728
729
730
731
732
733
734
735
736
737
738
# File 'ossl_pkcs7.c', line 727

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


790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
# File 'ossl_pkcs7.c', line 790

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, "21", &pkey, &cert, &flags);
    key = GetPrivPKeyPtr(pkey); /* NO NEED TO DUP */
    x509 = 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;
}

#detachedObject


501
502
503
504
505
506
507
# File 'ossl_pkcs7.c', line 501

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

#detached=(flag) ⇒ Object


487
488
489
490
491
492
493
494
495
496
497
498
499
# File 'ossl_pkcs7.c', line 487

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)

509
510
511
512
513
514
515
# File 'ossl_pkcs7.c', line 509

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

#recipientsObject


592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
# File 'ossl_pkcs7.c', line 592

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;
}

#signersObject


550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
# File 'ossl_pkcs7.c', line 550

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_derObject


851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
# File 'ossl_pkcs7.c', line 851

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_pemObject Also known as: to_s


871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
# File 'ossl_pkcs7.c', line 871

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;
}

#typeString?

Returns:

  • (String, nil)

468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
# File 'ossl_pkcs7.c', line 468

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


452
453
454
455
456
457
458
459
460
461
462
# File 'ossl_pkcs7.c', line 452

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


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
779
780
781
782
783
784
785
786
787
788
# File 'ossl_pkcs7.c', line 746

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;

    rb_scan_args(argc, argv, "22", &certs, &store, &indata, &flags);
    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);
	}
    }
    x509st = GetX509StorePtr(store);
    GetPKCS7(self, p7);
    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);
    if (ok < 0) ossl_raise(ePKCS7Error, NULL);
    msg = ERR_reason_error_string(ERR_get_error());
    ossl_pkcs7_set_err_string(self, msg ? rb_str_new2(msg) : Qnil);
    ERR_clear_error();
    data = ossl_membio2str(out);
    ossl_pkcs7_set_data(self, data);
    sk_X509_pop_free(x509s, X509_free);

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