diff options
Diffstat (limited to 'src/lib/libcrypto/cms/cms_io.c')
| -rw-r--r-- | src/lib/libcrypto/cms/cms_io.c | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/src/lib/libcrypto/cms/cms_io.c b/src/lib/libcrypto/cms/cms_io.c new file mode 100644 index 0000000000..30f5ddfe6d --- /dev/null +++ b/src/lib/libcrypto/cms/cms_io.c | |||
| @@ -0,0 +1,140 @@ | |||
| 1 | /* crypto/cms/cms_io.c */ | ||
| 2 | /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL | ||
| 3 | * project. | ||
| 4 | */ | ||
| 5 | /* ==================================================================== | ||
| 6 | * Copyright (c) 2008 The OpenSSL Project. All rights reserved. | ||
| 7 | * | ||
| 8 | * Redistribution and use in source and binary forms, with or without | ||
| 9 | * modification, are permitted provided that the following conditions | ||
| 10 | * are met: | ||
| 11 | * | ||
| 12 | * 1. Redistributions of source code must retain the above copyright | ||
| 13 | * notice, this list of conditions and the following disclaimer. | ||
| 14 | * | ||
| 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 | ||
| 18 | * distribution. | ||
| 19 | * | ||
| 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/)" | ||
| 24 | * | ||
| 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. | ||
| 29 | * | ||
| 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. | ||
| 33 | * | ||
| 34 | * 6. Redistributions of any form whatsoever must retain the following | ||
| 35 | * acknowledgment: | ||
| 36 | * "This product includes software developed by the OpenSSL Project | ||
| 37 | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" | ||
| 38 | * | ||
| 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 | * ==================================================================== | ||
| 52 | */ | ||
| 53 | |||
| 54 | #include <openssl/asn1t.h> | ||
| 55 | #include <openssl/x509.h> | ||
| 56 | #include <openssl/err.h> | ||
| 57 | #include <openssl/pem.h> | ||
| 58 | #include "cms.h" | ||
| 59 | #include "cms_lcl.h" | ||
| 60 | |||
| 61 | CMS_ContentInfo *d2i_CMS_bio(BIO *bp, CMS_ContentInfo **cms) | ||
| 62 | { | ||
| 63 | return ASN1_item_d2i_bio(ASN1_ITEM_rptr(CMS_ContentInfo), bp, cms); | ||
| 64 | } | ||
| 65 | |||
| 66 | int i2d_CMS_bio(BIO *bp, CMS_ContentInfo *cms) | ||
| 67 | { | ||
| 68 | return ASN1_item_i2d_bio(ASN1_ITEM_rptr(CMS_ContentInfo), bp, cms); | ||
| 69 | } | ||
| 70 | |||
| 71 | IMPLEMENT_PEM_rw_const(CMS, CMS_ContentInfo, PEM_STRING_CMS, CMS_ContentInfo) | ||
| 72 | |||
| 73 | /* Callback for int_smime_write_ASN1 */ | ||
| 74 | |||
| 75 | static int cms_output_data(BIO *out, BIO *data, ASN1_VALUE *val, int flags, | ||
| 76 | const ASN1_ITEM *it) | ||
| 77 | { | ||
| 78 | CMS_ContentInfo *cms = (CMS_ContentInfo *)val; | ||
| 79 | BIO *tmpbio, *cmsbio; | ||
| 80 | int r = 0; | ||
| 81 | |||
| 82 | if (!(flags & SMIME_DETACHED)) | ||
| 83 | { | ||
| 84 | SMIME_crlf_copy(data, out, flags); | ||
| 85 | return 1; | ||
| 86 | } | ||
| 87 | |||
| 88 | /* Let CMS code prepend any needed BIOs */ | ||
| 89 | |||
| 90 | cmsbio = CMS_dataInit(cms, out); | ||
| 91 | |||
| 92 | if (!cmsbio) | ||
| 93 | return 0; | ||
| 94 | |||
| 95 | /* Copy data across, passing through filter BIOs for processing */ | ||
| 96 | SMIME_crlf_copy(data, cmsbio, flags); | ||
| 97 | |||
| 98 | /* Finalize structure */ | ||
| 99 | if (CMS_dataFinal(cms, cmsbio) <= 0) | ||
| 100 | goto err; | ||
| 101 | |||
| 102 | r = 1; | ||
| 103 | |||
| 104 | err: | ||
| 105 | |||
| 106 | /* Now remove any digests prepended to the BIO */ | ||
| 107 | |||
| 108 | while (cmsbio != out) | ||
| 109 | { | ||
| 110 | tmpbio = BIO_pop(cmsbio); | ||
| 111 | BIO_free(cmsbio); | ||
| 112 | cmsbio = tmpbio; | ||
| 113 | } | ||
| 114 | |||
| 115 | return 1; | ||
| 116 | |||
| 117 | } | ||
| 118 | |||
| 119 | |||
| 120 | int SMIME_write_CMS(BIO *bio, CMS_ContentInfo *cms, BIO *data, int flags) | ||
| 121 | { | ||
| 122 | STACK_OF(X509_ALGOR) *mdalgs; | ||
| 123 | int ctype_nid = OBJ_obj2nid(cms->contentType); | ||
| 124 | int econt_nid = OBJ_obj2nid(CMS_get0_eContentType(cms)); | ||
| 125 | if (ctype_nid == NID_pkcs7_signed) | ||
| 126 | mdalgs = cms->d.signedData->digestAlgorithms; | ||
| 127 | else | ||
| 128 | mdalgs = NULL; | ||
| 129 | |||
| 130 | return int_smime_write_ASN1(bio, (ASN1_VALUE *)cms, data, flags, | ||
| 131 | ctype_nid, econt_nid, mdalgs, | ||
| 132 | cms_output_data, | ||
| 133 | ASN1_ITEM_rptr(CMS_ContentInfo)); | ||
| 134 | } | ||
| 135 | |||
| 136 | CMS_ContentInfo *SMIME_read_CMS(BIO *bio, BIO **bcont) | ||
| 137 | { | ||
| 138 | return (CMS_ContentInfo *)SMIME_read_ASN1(bio, bcont, | ||
| 139 | ASN1_ITEM_rptr(CMS_ContentInfo)); | ||
| 140 | } | ||
