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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 int ASN1_i2d_fp(i2d_of_void *i2d, FILE *out, void *x) | |
68 { | |
69 BIO *b; | |
70 int ret; | |
71 | |
72 if ((b=BIO_new(BIO_s_file())) == NULL) | |
73 { | |
74 ASN1err(ASN1_F_ASN1_I2D_FP,ERR_R_BUF_LIB); | |
75 return(0); | |
76 } | |
77 BIO_set_fp(b,out,BIO_NOCLOSE); | |
78 ret=ASN1_i2d_bio(i2d,b,x); | |
79 BIO_free(b); | |
80 return(ret); | |
81 } | |
82 #endif | |
83 | |
84 int ASN1_i2d_bio(i2d_of_void *i2d, BIO *out, unsigned char *x) | |
85 { | |
86 char *b; | |
87 unsigned char *p; | |
88 int i,j=0,n,ret=1; | |
89 | |
90 n=i2d(x,NULL); | |
91 b=(char *)OPENSSL_malloc(n); | |
92 if (b == NULL) | |
93 { | |
94 ASN1err(ASN1_F_ASN1_I2D_BIO,ERR_R_MALLOC_FAILURE); | |
95 return(0); | |
96 } | |
97 | |
98 p=(unsigned char *)b; | |
99 i2d(x,&p); | |
100 | |
101 for (;;) | |
102 { | |
103 i=BIO_write(out,&(b[j]),n); | |
104 if (i == n) break; | |
105 if (i <= 0) | |
106 { | |
107 ret=0; | |
108 break; | |
109 } | |
110 j+=i; | |
111 n-=i; | |
112 } | |
113 OPENSSL_free(b); | |
114 return(ret); | |
115 } | |
116 | |
117 #endif | |
118 | |
119 #ifndef OPENSSL_NO_FP_API | |
120 int ASN1_item_i2d_fp(const ASN1_ITEM *it, FILE *out, void *x) | |
121 { | |
122 BIO *b; | |
123 int ret; | |
124 | |
125 if ((b=BIO_new(BIO_s_file())) == NULL) | |
126 { | |
127 ASN1err(ASN1_F_ASN1_ITEM_I2D_FP,ERR_R_BUF_LIB); | |
128 return(0); | |
129 } | |
130 BIO_set_fp(b,out,BIO_NOCLOSE); | |
131 ret=ASN1_item_i2d_bio(it,b,x); | |
132 BIO_free(b); | |
133 return(ret); | |
134 } | |
135 #endif | |
136 | |
137 int ASN1_item_i2d_bio(const ASN1_ITEM *it, BIO *out, void *x) | |
138 { | |
139 unsigned char *b = NULL; | |
140 int i,j=0,n,ret=1; | |
141 | |
142 n = ASN1_item_i2d(x, &b, it); | |
143 if (b == NULL) | |
144 { | |
145 ASN1err(ASN1_F_ASN1_ITEM_I2D_BIO,ERR_R_MALLOC_FAILURE); | |
146 return(0); | |
147 } | |
148 | |
149 for (;;) | |
150 { | |
151 i=BIO_write(out,&(b[j]),n); | |
152 if (i == n) break; | |
153 if (i <= 0) | |
154 { | |
155 ret=0; | |
156 break; | |
157 } | |
158 j+=i; | |
159 n-=i; | |
160 } | |
161 OPENSSL_free(b); | |
162 return(ret); | |
163 } | |
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