stack.
[openssl.git] / crypto / asn1 / p7_s_e.c
1 /* crypto/asn1/p7_s_e.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3  * All rights reserved.
4  *
5  * This package is an SSL implementation written
6  * by Eric Young (eay@cryptsoft.com).
7  * The implementation was written so as to conform with Netscapes SSL.
8  * 
9  * This library is free for commercial and non-commercial use as long as
10  * the following conditions are aheared to.  The following conditions
11  * apply to all code found in this distribution, be it the RC4, RSA,
12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
13  * included with this distribution is covered by the same copyright terms
14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15  * 
16  * Copyright remains Eric Young's, and as such any Copyright notices in
17  * the code are not to be removed.
18  * If this package is used in a product, Eric Young should be given attribution
19  * as the author of the parts of the library used.
20  * This can be in the form of a textual message at program startup or
21  * in documentation (online or textual) provided with the package.
22  * 
23  * Redistribution and use in source and binary forms, with or without
24  * modification, are permitted provided that the following conditions
25  * are met:
26  * 1. Redistributions of source code must retain the copyright
27  *    notice, this list of conditions and the following disclaimer.
28  * 2. Redistributions in binary form must reproduce the above copyright
29  *    notice, this list of conditions and the following disclaimer in the
30  *    documentation and/or other materials provided with the distribution.
31  * 3. All advertising materials mentioning features or use of this software
32  *    must display the following acknowledgement:
33  *    "This product includes cryptographic software written by
34  *     Eric Young (eay@cryptsoft.com)"
35  *    The word 'cryptographic' can be left out if the rouines from the library
36  *    being used are not cryptographic related :-).
37  * 4. If you include any Windows specific code (or a derivative thereof) from 
38  *    the apps directory (application code) you must include an acknowledgement:
39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40  * 
41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51  * SUCH DAMAGE.
52  * 
53  * The licence and distribution terms for any publically available version or
54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
55  * copied and put under another distribution licence
56  * [including the GNU Public Licence.]
57  */
58
59 #include <stdio.h>
60 #include "cryptlib.h"
61 #include <openssl/asn1_mac.h>
62 #include <openssl/x509.h>
63
64 int i2d_PKCS7_SIGN_ENVELOPE(PKCS7_SIGN_ENVELOPE *a, unsigned char **pp)
65         {
66         M_ASN1_I2D_vars(a);
67
68         M_ASN1_I2D_len(a->version,i2d_ASN1_INTEGER);
69         M_ASN1_I2D_len_SET_type(PKCS7_RECIP_INFO,a->recipientinfo,
70                                 i2d_PKCS7_RECIP_INFO);
71         M_ASN1_I2D_len_SET_type(X509_ALGOR,a->md_algs,i2d_X509_ALGOR);
72         M_ASN1_I2D_len(a->enc_data,i2d_PKCS7_ENC_CONTENT);
73         M_ASN1_I2D_len_IMP_SEQUENCE_opt_type(X509,a->cert,i2d_X509,0);
74         M_ASN1_I2D_len_IMP_SET_opt_type(X509_CRL,a->crl,i2d_X509_CRL,1);
75         M_ASN1_I2D_len_SET_type(PKCS7_SIGNER_INFO,a->signer_info,
76                                 i2d_PKCS7_SIGNER_INFO);
77
78         M_ASN1_I2D_seq_total();
79
80         M_ASN1_I2D_put(a->version,i2d_ASN1_INTEGER);
81         M_ASN1_I2D_put_SET_type(PKCS7_RECIP_INFO,a->recipientinfo,
82                                 i2d_PKCS7_RECIP_INFO);
83         M_ASN1_I2D_put_SET_type(X509_ALGOR,a->md_algs,i2d_X509_ALGOR);
84         M_ASN1_I2D_put(a->enc_data,i2d_PKCS7_ENC_CONTENT);
85         M_ASN1_I2D_put_IMP_SEQUENCE_opt_type(X509,a->cert,i2d_X509,0);
86         M_ASN1_I2D_put_IMP_SET_opt_type(X509_CRL,a->crl,i2d_X509_CRL,1);
87         M_ASN1_I2D_put_SET_type(PKCS7_SIGNER_INFO,a->signer_info,
88                                 i2d_PKCS7_SIGNER_INFO);
89
90         M_ASN1_I2D_finish();
91         }
92
93 PKCS7_SIGN_ENVELOPE *d2i_PKCS7_SIGN_ENVELOPE(PKCS7_SIGN_ENVELOPE **a,
94              unsigned char **pp, long length)
95         {
96         M_ASN1_D2I_vars(a,PKCS7_SIGN_ENVELOPE *,PKCS7_SIGN_ENVELOPE_new);
97
98         M_ASN1_D2I_Init();
99         M_ASN1_D2I_start_sequence();
100         M_ASN1_D2I_get(ret->version,d2i_ASN1_INTEGER);
101         M_ASN1_D2I_get_set_type(PKCS7_RECIP_INFO,ret->recipientinfo,
102                                 d2i_PKCS7_RECIP_INFO,PKCS7_RECIP_INFO_free);
103         M_ASN1_D2I_get_set_type(X509_ALGOR,ret->md_algs,d2i_X509_ALGOR,
104                                 X509_ALGOR_free);
105         M_ASN1_D2I_get(ret->enc_data,d2i_PKCS7_ENC_CONTENT);
106         M_ASN1_D2I_get_IMP_set_opt_type(X509,ret->cert,d2i_X509,X509_free,0);
107         M_ASN1_D2I_get_IMP_set_opt_type(X509_CRL,ret->crl,d2i_X509_CRL,
108                                         X509_CRL_free,1);
109         M_ASN1_D2I_get_set_type(PKCS7_SIGNER_INFO,ret->signer_info,
110                                 d2i_PKCS7_SIGNER_INFO,PKCS7_SIGNER_INFO_free);
111
112         M_ASN1_D2I_Finish(a,PKCS7_SIGN_ENVELOPE_free,
113                 ASN1_F_D2I_PKCS7_SIGN_ENVELOPE);
114         }
115
116 PKCS7_SIGN_ENVELOPE *PKCS7_SIGN_ENVELOPE_new(void)
117         {
118         PKCS7_SIGN_ENVELOPE *ret=NULL;
119         ASN1_CTX c;
120
121         M_ASN1_New_Malloc(ret,PKCS7_SIGN_ENVELOPE);
122         M_ASN1_New(ret->version,ASN1_INTEGER_new);
123         M_ASN1_New(ret->recipientinfo,sk_PKCS7_RECIP_INFO_new_null);
124         M_ASN1_New(ret->md_algs,sk_X509_ALGOR_new_null);
125         M_ASN1_New(ret->enc_data,PKCS7_ENC_CONTENT_new);
126         ret->cert=NULL;
127         ret->crl=NULL;
128         M_ASN1_New(ret->signer_info,sk_PKCS7_SIGNER_INFO_new_null);
129         return(ret);
130         M_ASN1_New_Error(ASN1_F_PKCS7_SIGN_ENVELOPE_NEW);
131         }
132
133 void PKCS7_SIGN_ENVELOPE_free(PKCS7_SIGN_ENVELOPE *a)
134         {
135         if (a == NULL) return;
136         ASN1_INTEGER_free(a->version);
137         sk_PKCS7_RECIP_INFO_pop_free(a->recipientinfo,PKCS7_RECIP_INFO_free);
138         sk_X509_ALGOR_pop_free(a->md_algs,X509_ALGOR_free);
139         PKCS7_ENC_CONTENT_free(a->enc_data);
140         sk_X509_pop_free(a->cert,X509_free);
141         sk_X509_CRL_pop_free(a->crl,X509_CRL_free);
142         sk_PKCS7_SIGNER_INFO_pop_free(a->signer_info,PKCS7_SIGNER_INFO_free);
143         Free(a);
144         }
145