/src/openssl31/crypto/cms/cms_io.c

Source (jump to first uncovered line)
/*
 * Copyright 2008-2022 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the Apache License 2.0 (the "License").  You may not use
 * this file except in compliance with the License.  You can obtain a copy
 * in the file LICENSE in the source distribution or at
 * https://www.openssl.org/source/license.html
 */

#include <openssl/asn1t.h>
#include <openssl/x509.h>
#include <openssl/err.h>
#include <openssl/pem.h>
#include <openssl/cms.h>
#include "cms_local.h"

/* unfortunately cannot constify BIO_new_NDEF() due to this and PKCS7_stream() */
int CMS_stream(unsigned char ***boundary, CMS_ContentInfo *cms)
{
    ASN1_OCTET_STRING **pos;
    pos = CMS_get0_content(cms);
    if (pos == NULL)
        return 0;
    if (*pos == NULL)
        *pos = ASN1_OCTET_STRING_new();
    if (*pos != NULL) {
        (*pos)->flags |= ASN1_STRING_FLAG_NDEF;
        (*pos)->flags &= ~ASN1_STRING_FLAG_CONT;
        *boundary = &(*pos)->data;
        return 1;
    }
    ERR_raise(ERR_LIB_CMS, ERR_R_MALLOC_FAILURE);
    return 0;
}

CMS_ContentInfo *d2i_CMS_bio(BIO *bp, CMS_ContentInfo **cms)
{
    CMS_ContentInfo *ci;
    const CMS_CTX *ctx = ossl_cms_get0_cmsctx(cms == NULL ? NULL : *cms);

    ci = ASN1_item_d2i_bio_ex(ASN1_ITEM_rptr(CMS_ContentInfo), bp, cms,
                              ossl_cms_ctx_get0_libctx(ctx),
                              ossl_cms_ctx_get0_propq(ctx));
    if (ci != NULL) {
        ERR_set_mark();
        ossl_cms_resolve_libctx(ci);
        ERR_pop_to_mark();
    }
    return ci;
}

int i2d_CMS_bio(BIO *bp, CMS_ContentInfo *cms)
{
    return ASN1_item_i2d_bio(ASN1_ITEM_rptr(CMS_ContentInfo), bp, cms);
}

IMPLEMENT_PEM_rw(CMS, CMS_ContentInfo, PEM_STRING_CMS, CMS_ContentInfo)

BIO *BIO_new_CMS(BIO *out, CMS_ContentInfo *cms)
{
    return BIO_new_NDEF(out, (ASN1_VALUE *)cms,
                        ASN1_ITEM_rptr(CMS_ContentInfo));
}

/* CMS wrappers round generalised stream and MIME routines */

int i2d_CMS_bio_stream(BIO *out, CMS_ContentInfo *cms, BIO *in, int flags)
{
    return i2d_ASN1_bio_stream(out, (ASN1_VALUE *)cms, in, flags,
                               ASN1_ITEM_rptr(CMS_ContentInfo));
}

int PEM_write_bio_CMS_stream(BIO *out, CMS_ContentInfo *cms, BIO *in,
                             int flags)
{
    return PEM_write_bio_ASN1_stream(out, (ASN1_VALUE *)cms, in, flags,
                                     "CMS", ASN1_ITEM_rptr(CMS_ContentInfo));
}

int SMIME_write_CMS(BIO *bio, CMS_ContentInfo *cms, BIO *data, int flags)
{
    STACK_OF(X509_ALGOR) *mdalgs;
    int ctype_nid = OBJ_obj2nid(cms->contentType);
    int econt_nid = OBJ_obj2nid(CMS_get0_eContentType(cms));
    const CMS_CTX *ctx = ossl_cms_get0_cmsctx(cms);

    if (ctype_nid == NID_pkcs7_signed)
        mdalgs = cms->d.signedData->digestAlgorithms;
    else
        mdalgs = NULL;

    return SMIME_write_ASN1_ex(bio, (ASN1_VALUE *)cms, data, flags, ctype_nid,
                               econt_nid, mdalgs,
                               ASN1_ITEM_rptr(CMS_ContentInfo),
                               ossl_cms_ctx_get0_libctx(ctx),
                               ossl_cms_ctx_get0_propq(ctx));
}

CMS_ContentInfo *SMIME_read_CMS_ex(BIO *bio, int flags, BIO **bcont,
                                   CMS_ContentInfo **cms)
{
    CMS_ContentInfo *ci;
    const CMS_CTX *ctx = ossl_cms_get0_cmsctx(cms == NULL ? NULL : *cms);

    ci = (CMS_ContentInfo *)SMIME_read_ASN1_ex(bio, flags, bcont,
                                               ASN1_ITEM_rptr(CMS_ContentInfo),
                                               (ASN1_VALUE **)cms,
                                               ossl_cms_ctx_get0_libctx(ctx),
                                               ossl_cms_ctx_get0_propq(ctx));
    if (ci != NULL) {
        ERR_set_mark();
        ossl_cms_resolve_libctx(ci);
        ERR_pop_to_mark();
    }
    return ci;
}

CMS_ContentInfo *SMIME_read_CMS(BIO *bio, BIO **bcont)
{
    return SMIME_read_CMS_ex(bio, 0, bcont, NULL);
}

Line	Count	Source (jump to first uncovered line)
1		/*
2		* Copyright 2008-2022 The OpenSSL Project Authors. All Rights Reserved.
3		*
4		* Licensed under the Apache License 2.0 (the "License"). You may not use
5		* this file except in compliance with the License. You can obtain a copy
6		* in the file LICENSE in the source distribution or at
7		* https://www.openssl.org/source/license.html
8		*/
9
10		#include <openssl/asn1t.h>
11		#include <openssl/x509.h>
12		#include <openssl/err.h>
13		#include <openssl/pem.h>
14		#include <openssl/cms.h>
15		#include "cms_local.h"
16
17		/* unfortunately cannot constify BIO_new_NDEF() due to this and PKCS7_stream() */
18		int CMS_stream(unsigned char **boundary, CMS_ContentInfo cms)
19	0	{
20	0	ASN1_OCTET_STRING **pos;
21	0	pos = CMS_get0_content(cms);
22	0	if (pos == NULL)
23	0	return 0;
24	0	if (*pos == NULL)
25	0	*pos = ASN1_OCTET_STRING_new();
26	0	if (*pos != NULL) {
27	0	(*pos)->flags \|= ASN1_STRING_FLAG_NDEF;
28	0	(*pos)->flags &= ~ASN1_STRING_FLAG_CONT;
29	0	boundary = &(pos)->data;
30	0	return 1;
31	0	}
32	0	ERR_raise(ERR_LIB_CMS, ERR_R_MALLOC_FAILURE);
33	0	return 0;
34	0	}
35
36		CMS_ContentInfo d2i_CMS_bio(BIO bp, CMS_ContentInfo **cms)
37	37.2k	{
38	37.2k	CMS_ContentInfo *ci;
39	37.2k	const CMS_CTX ctx = ossl_cms_get0_cmsctx(cms == NULL ? NULL : cms);
40
41	37.2k	ci = ASN1_item_d2i_bio_ex(ASN1_ITEM_rptr(CMS_ContentInfo), bp, cms,
42	37.2k	ossl_cms_ctx_get0_libctx(ctx),
43	37.2k	ossl_cms_ctx_get0_propq(ctx));
44	37.2k	if (ci != NULL) {
45	4.33k	ERR_set_mark();
46	4.33k	ossl_cms_resolve_libctx(ci);
47	4.33k	ERR_pop_to_mark();
48	4.33k	}
49	37.2k	return ci;
50	37.2k	}
51
52		int i2d_CMS_bio(BIO bp, CMS_ContentInfo cms)
53	4.33k	{
54	4.33k	return ASN1_item_i2d_bio(ASN1_ITEM_rptr(CMS_ContentInfo), bp, cms);
55	4.33k	}
56
57		IMPLEMENT_PEM_rw(CMS, CMS_ContentInfo, PEM_STRING_CMS, CMS_ContentInfo)
58
59		BIO BIO_new_CMS(BIO out, CMS_ContentInfo *cms)
60	0	{
61	0	return BIO_new_NDEF(out, (ASN1_VALUE *)cms,
62	0	ASN1_ITEM_rptr(CMS_ContentInfo));
63	0	}
64
65		/* CMS wrappers round generalised stream and MIME routines */
66
67		int i2d_CMS_bio_stream(BIO out, CMS_ContentInfo cms, BIO *in, int flags)
68	0	{
69	0	return i2d_ASN1_bio_stream(out, (ASN1_VALUE *)cms, in, flags,
70	0	ASN1_ITEM_rptr(CMS_ContentInfo));
71	0	}
72
73		int PEM_write_bio_CMS_stream(BIO out, CMS_ContentInfo cms, BIO *in,
74		int flags)
75	0	{
76	0	return PEM_write_bio_ASN1_stream(out, (ASN1_VALUE *)cms, in, flags,
77	0	"CMS", ASN1_ITEM_rptr(CMS_ContentInfo));
78	0	}
79
80		int SMIME_write_CMS(BIO bio, CMS_ContentInfo cms, BIO *data, int flags)
81	0	{
82	0	STACK_OF(X509_ALGOR) *mdalgs;
83	0	int ctype_nid = OBJ_obj2nid(cms->contentType);
84	0	int econt_nid = OBJ_obj2nid(CMS_get0_eContentType(cms));
85	0	const CMS_CTX *ctx = ossl_cms_get0_cmsctx(cms);
86
87	0	if (ctype_nid == NID_pkcs7_signed)
88	0	mdalgs = cms->d.signedData->digestAlgorithms;
89	0	else
90	0	mdalgs = NULL;
91
92	0	return SMIME_write_ASN1_ex(bio, (ASN1_VALUE *)cms, data, flags, ctype_nid,
93	0	econt_nid, mdalgs,
94	0	ASN1_ITEM_rptr(CMS_ContentInfo),
95	0	ossl_cms_ctx_get0_libctx(ctx),
96	0	ossl_cms_ctx_get0_propq(ctx));
97	0	}
98
99		CMS_ContentInfo SMIME_read_CMS_ex(BIO bio, int flags, BIO **bcont,
100		CMS_ContentInfo **cms)
101	0	{
102	0	CMS_ContentInfo *ci;
103	0	const CMS_CTX ctx = ossl_cms_get0_cmsctx(cms == NULL ? NULL : cms);
104
105	0	ci = (CMS_ContentInfo *)SMIME_read_ASN1_ex(bio, flags, bcont,
106	0	ASN1_ITEM_rptr(CMS_ContentInfo),
107	0	(ASN1_VALUE **)cms,
108	0	ossl_cms_ctx_get0_libctx(ctx),
109	0	ossl_cms_ctx_get0_propq(ctx));
110	0	if (ci != NULL) {
111	0	ERR_set_mark();
112	0	ossl_cms_resolve_libctx(ci);
113	0	ERR_pop_to_mark();
114	0	}
115	0	return ci;
116	0	}
117
118		CMS_ContentInfo SMIME_read_CMS(BIO bio, BIO **bcont)
119	0	{
120	0	return SMIME_read_CMS_ex(bio, 0, bcont, NULL);
121	0	}

Coverage Report

Created: 2025-06-13 06:58