Line data Source code
1 : /* crypto/asn1/a_i2d_fp.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/buffer.h>
62 : #include <openssl/asn1.h>
63 :
64 : #ifndef NO_OLD_ASN1
65 :
66 : # ifndef OPENSSL_NO_FP_API
67 0 : int ASN1_i2d_fp(i2d_of_void *i2d, FILE *out, void *x)
68 : {
69 : BIO *b;
70 : int ret;
71 :
72 0 : if ((b = BIO_new(BIO_s_file())) == NULL) {
73 0 : ASN1err(ASN1_F_ASN1_I2D_FP, ERR_R_BUF_LIB);
74 0 : return (0);
75 : }
76 0 : BIO_set_fp(b, out, BIO_NOCLOSE);
77 0 : ret = ASN1_i2d_bio(i2d, b, x);
78 0 : BIO_free(b);
79 0 : return (ret);
80 : }
81 : # endif
82 :
83 0 : int ASN1_i2d_bio(i2d_of_void *i2d, BIO *out, unsigned char *x)
84 : {
85 : char *b;
86 : unsigned char *p;
87 : int i, j = 0, n, ret = 1;
88 :
89 0 : n = i2d(x, NULL);
90 0 : b = (char *)OPENSSL_malloc(n);
91 0 : if (b == NULL) {
92 0 : ASN1err(ASN1_F_ASN1_I2D_BIO, ERR_R_MALLOC_FAILURE);
93 0 : return (0);
94 : }
95 :
96 0 : p = (unsigned char *)b;
97 0 : i2d(x, &p);
98 :
99 : for (;;) {
100 0 : i = BIO_write(out, &(b[j]), n);
101 0 : if (i == n)
102 : break;
103 0 : if (i <= 0) {
104 : ret = 0;
105 : break;
106 : }
107 0 : j += i;
108 0 : n -= i;
109 0 : }
110 0 : OPENSSL_free(b);
111 0 : return (ret);
112 : }
113 :
114 : #endif
115 :
116 : #ifndef OPENSSL_NO_FP_API
117 0 : int ASN1_item_i2d_fp(const ASN1_ITEM *it, FILE *out, void *x)
118 : {
119 : BIO *b;
120 : int ret;
121 :
122 0 : if ((b = BIO_new(BIO_s_file())) == NULL) {
123 0 : ASN1err(ASN1_F_ASN1_ITEM_I2D_FP, ERR_R_BUF_LIB);
124 0 : return (0);
125 : }
126 0 : BIO_set_fp(b, out, BIO_NOCLOSE);
127 0 : ret = ASN1_item_i2d_bio(it, b, x);
128 0 : BIO_free(b);
129 0 : return (ret);
130 : }
131 : #endif
132 :
133 0 : int ASN1_item_i2d_bio(const ASN1_ITEM *it, BIO *out, void *x)
134 : {
135 0 : unsigned char *b = NULL;
136 : int i, j = 0, n, ret = 1;
137 :
138 0 : n = ASN1_item_i2d(x, &b, it);
139 0 : if (b == NULL) {
140 0 : ASN1err(ASN1_F_ASN1_ITEM_I2D_BIO, ERR_R_MALLOC_FAILURE);
141 0 : return (0);
142 : }
143 :
144 : for (;;) {
145 0 : i = BIO_write(out, &(b[j]), n);
146 0 : if (i == n)
147 : break;
148 0 : if (i <= 0) {
149 : ret = 0;
150 : break;
151 : }
152 0 : j += i;
153 0 : n -= i;
154 0 : }
155 0 : OPENSSL_free(b);
156 0 : return (ret);
157 : }
|
