diff options
Diffstat (limited to 'src/lib/libcrypto/asn1/a_set.c')
-rw-r--r-- | src/lib/libcrypto/asn1/a_set.c | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/src/lib/libcrypto/asn1/a_set.c b/src/lib/libcrypto/asn1/a_set.c new file mode 100644 index 0000000000..17c49946cf --- /dev/null +++ b/src/lib/libcrypto/asn1/a_set.c | |||
@@ -0,0 +1,149 @@ | |||
1 | /* crypto/asn1/a_set.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 "asn1_mac.h" | ||
62 | |||
63 | /* ASN1err(ASN1_F_ASN1_TYPE_NEW,ERR_R_MALLOC_FAILURE); | ||
64 | */ | ||
65 | |||
66 | int i2d_ASN1_SET(a,pp,func,ex_tag,ex_class) | ||
67 | STACK *a; | ||
68 | unsigned char **pp; | ||
69 | int (*func)(); | ||
70 | int ex_tag; | ||
71 | int ex_class; | ||
72 | { | ||
73 | int ret=0,r; | ||
74 | int i; | ||
75 | unsigned char *p; | ||
76 | |||
77 | if (a == NULL) return(0); | ||
78 | for (i=sk_num(a)-1; i>=0; i--) | ||
79 | ret+=func(sk_value(a,i),NULL); | ||
80 | r=ASN1_object_size(1,ret,ex_tag); | ||
81 | if (pp == NULL) return(r); | ||
82 | |||
83 | p= *pp; | ||
84 | ASN1_put_object(&p,1,ret,ex_tag,ex_class); | ||
85 | for (i=0; i<sk_num(a); i++) | ||
86 | func(sk_value(a,i),&p); | ||
87 | |||
88 | *pp=p; | ||
89 | return(r); | ||
90 | } | ||
91 | |||
92 | STACK *d2i_ASN1_SET(a,pp,length,func,ex_tag,ex_class) | ||
93 | STACK **a; | ||
94 | unsigned char **pp; | ||
95 | long length; | ||
96 | char *(*func)(); | ||
97 | int ex_tag; | ||
98 | int ex_class; | ||
99 | { | ||
100 | ASN1_CTX c; | ||
101 | STACK *ret=NULL; | ||
102 | |||
103 | if ((a == NULL) || ((*a) == NULL)) | ||
104 | { if ((ret=sk_new(NULL)) == NULL) goto err; } | ||
105 | else | ||
106 | ret=(*a); | ||
107 | |||
108 | c.p= *pp; | ||
109 | c.max=(length == 0)?0:(c.p+length); | ||
110 | |||
111 | c.inf=ASN1_get_object(&c.p,&c.slen,&c.tag,&c.xclass,c.max-c.p); | ||
112 | if (c.inf & 0x80) goto err; | ||
113 | if (ex_class != c.xclass) | ||
114 | { | ||
115 | ASN1err(ASN1_F_D2I_ASN1_SET,ASN1_R_BAD_CLASS); | ||
116 | goto err; | ||
117 | } | ||
118 | if (ex_tag != c.tag) | ||
119 | { | ||
120 | ASN1err(ASN1_F_D2I_ASN1_SET,ASN1_R_BAD_TAG); | ||
121 | goto err; | ||
122 | } | ||
123 | if ((c.slen+c.p) > c.max) | ||
124 | { | ||
125 | ASN1err(ASN1_F_D2I_ASN1_SET,ASN1_R_LENGTH_ERROR); | ||
126 | goto err; | ||
127 | } | ||
128 | /* check for infinite constructed - it can be as long | ||
129 | * as the amount of data passed to us */ | ||
130 | if (c.inf == (V_ASN1_CONSTRUCTED+1)) | ||
131 | c.slen=length+ *pp-c.p; | ||
132 | c.max=c.p+c.slen; | ||
133 | |||
134 | while (c.p < c.max) | ||
135 | { | ||
136 | char *s; | ||
137 | |||
138 | if (M_ASN1_D2I_end_sequence()) break; | ||
139 | if ((s=func(NULL,&c.p,c.slen,c.max-c.p)) == NULL) goto err; | ||
140 | if (!sk_push(ret,s)) goto err; | ||
141 | } | ||
142 | if (a != NULL) (*a)=ret; | ||
143 | *pp=c.p; | ||
144 | return(ret); | ||
145 | err: | ||
146 | if ((ret != NULL) && ((a == NULL) || (*a != ret))) sk_free(ret); | ||
147 | return(NULL); | ||
148 | } | ||
149 | |||