1 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
2 * All rights reserved.
3 *
4 * This package is an SSL implementation written
5 * by Eric Young (eay@cryptsoft.com).
6 * The implementation was written so as to conform with Netscapes SSL.
7 *
8 * This library is free for commercial and non-commercial use as long as
9 * the following conditions are aheared to. The following conditions
10 * apply to all code found in this distribution, be it the RC4, RSA,
11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
12 * included with this distribution is covered by the same copyright terms
13 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
14 *
15 * Copyright remains Eric Young's, and as such any Copyright notices in
16 * the code are not to be removed.
17 * If this package is used in a product, Eric Young should be given attribution
18 * as the author of the parts of the library used.
19 * This can be in the form of a textual message at program startup or
20 * in documentation (online or textual) provided with the package.
21 *
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
24 * are met:
25 * 1. Redistributions of source code must retain the copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 * 3. All advertising materials mentioning features or use of this software
31 * must display the following acknowledgement:
32 * "This product includes cryptographic software written by
33 * Eric Young (eay@cryptsoft.com)"
34 * The word 'cryptographic' can be left out if the rouines from the library
35 * being used are not cryptographic related :-).
36 * 4. If you include any Windows specific code (or a derivative thereof) from
37 * the apps directory (application code) you must include an acknowledgement:
38 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
39 *
40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
50 * SUCH DAMAGE.
51 *
52 * The licence and distribution terms for any publically available version or
53 * derivative of this code cannot be changed. i.e. this code cannot simply be
54 * copied and put under another distribution licence
55 * [including the GNU Public Licence.] */
56
57 #include <openssl/asn1.h>
58
59 #include <openssl/err.h>
60 #include <openssl/mem.h>
61
62
ASN1_i2d_fp(i2d_of_void * i2d,FILE * out,void * x)63 int ASN1_i2d_fp(i2d_of_void *i2d, FILE *out, void *x)
64 {
65 BIO *b;
66 int ret;
67
68 if ((b=BIO_new(BIO_s_file())) == NULL)
69 {
70 OPENSSL_PUT_ERROR(ASN1, ERR_R_BUF_LIB);
71 return(0);
72 }
73 BIO_set_fp(b,out,BIO_NOCLOSE);
74 ret=ASN1_i2d_bio(i2d,b,x);
75 BIO_free(b);
76 return(ret);
77 }
78
ASN1_i2d_bio(i2d_of_void * i2d,BIO * out,void * x)79 int ASN1_i2d_bio(i2d_of_void *i2d, BIO *out, void *x)
80 {
81 char *b;
82 unsigned char *p;
83 int i,j=0,n,ret=1;
84
85 n=i2d(x,NULL);
86 b=(char *)OPENSSL_malloc(n);
87 if (b == NULL)
88 {
89 OPENSSL_PUT_ERROR(ASN1, ERR_R_MALLOC_FAILURE);
90 return(0);
91 }
92
93 p=(unsigned char *)b;
94 i2d(x,&p);
95
96 for (;;)
97 {
98 i=BIO_write(out,&(b[j]),n);
99 if (i == n) break;
100 if (i <= 0)
101 {
102 ret=0;
103 break;
104 }
105 j+=i;
106 n-=i;
107 }
108 OPENSSL_free(b);
109 return(ret);
110 }
111
ASN1_item_i2d_fp(const ASN1_ITEM * it,FILE * out,void * x)112 int ASN1_item_i2d_fp(const ASN1_ITEM *it, FILE *out, void *x)
113 {
114 BIO *b;
115 int ret;
116
117 if ((b=BIO_new(BIO_s_file())) == NULL)
118 {
119 OPENSSL_PUT_ERROR(ASN1, ERR_R_BUF_LIB);
120 return(0);
121 }
122 BIO_set_fp(b,out,BIO_NOCLOSE);
123 ret=ASN1_item_i2d_bio(it,b,x);
124 BIO_free(b);
125 return(ret);
126 }
127
ASN1_item_i2d_bio(const ASN1_ITEM * it,BIO * out,void * x)128 int ASN1_item_i2d_bio(const ASN1_ITEM *it, BIO *out, void *x)
129 {
130 unsigned char *b = NULL;
131 int i,j=0,n,ret=1;
132
133 n = ASN1_item_i2d(x, &b, it);
134 if (b == NULL)
135 {
136 OPENSSL_PUT_ERROR(ASN1, ERR_R_MALLOC_FAILURE);
137 return(0);
138 }
139
140 for (;;)
141 {
142 i=BIO_write(out,&(b[j]),n);
143 if (i == n) break;
144 if (i <= 0)
145 {
146 ret=0;
147 break;
148 }
149 j+=i;
150 n-=i;
151 }
152 OPENSSL_free(b);
153 return(ret);
154 }
155