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openssl/crypto/asn1/asn1_mac.h
stephen e9b8eb3155 Fix for sk_insert bug: it never worked properly. 
Allow explicit tag asn macros to handle indefinite length constructed stuff:
without this certain "certificates" can't be read in.
1998-12-31 00:59:02 +00:00

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/* crypto/asn1/asn1_mac.h */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* "This product includes cryptographic software written by
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
#ifndef HEADER_ASN1_MAC_H
#define HEADER_ASN1_MAC_H
#ifdef __cplusplus
extern "C" {
#endif
#include "asn1.h"
#include "x509.h"
#include "pkcs7.h"
#ifndef ASN1_MAC_ERR_LIB
#define ASN1_MAC_ERR_LIB ERR_LIB_ASN1
#endif
#define ASN1_MAC_H_err(f,r,line) \
ERR_PUT_error(ASN1_MAC_ERR_LIB,(f),(r),ERR_file_name,(line))
#define M_ASN1_D2I_vars(a,type,func) \
ASN1_CTX c; \
type ret=NULL; \
\
c.pp=pp; \
c.q= *pp; \
c.error=ERR_R_NESTED_ASN1_ERROR; \
if ((a == NULL) || ((*a) == NULL)) \
{ if ((ret=(type)func()) == NULL) \
{ c.line=__LINE__; goto err; } } \
else ret=(*a);
#define M_ASN1_D2I_Init() \
c.p= *pp; \
c.max=(length == 0)?0:(c.p+length);
#define M_ASN1_D2I_Finish_2(a) \
if (!asn1_Finish(&c)) \
{ c.line=__LINE__; goto err; } \
*pp=c.p; \
if (a != NULL) (*a)=ret; \
return(ret);
#define M_ASN1_D2I_Finish(a,func,e) \
M_ASN1_D2I_Finish_2(a); \
err:\
ASN1_MAC_H_err((e),c.error,c.line); \
asn1_add_error(*pp,(int)(c.q- *pp)); \
if ((ret != NULL) && ((a == NULL) || (*a != ret))) func(ret); \
return(NULL)
#define M_ASN1_D2I_start_sequence() \
if (!asn1_GetSequence(&c,&length)) \
{ c.line=__LINE__; goto err; }
#define M_ASN1_D2I_end_sequence() \
(((c.inf&1) == 0)?(c.slen <= 0): \
(c.eos=ASN1_check_infinite_end(&c.p,c.slen)))
/* Don't use this with d2i_ASN1_BOOLEAN() */
#define M_ASN1_D2I_get(b,func) \
c.q=c.p; \
if (func(&(b),&c.p,c.slen) == NULL) \
{c.line=__LINE__; goto err; } \
c.slen-=(c.p-c.q);
/* use this instead () */
#define M_ASN1_D2I_get_int(b,func) \
c.q=c.p; \
if (func(&(b),&c.p,c.slen) < 0) \
{c.line=__LINE__; goto err; } \
c.slen-=(c.p-c.q);
#define M_ASN1_D2I_get_opt(b,func,type) \
if ((c.slen != 0) && ((M_ASN1_next & (~V_ASN1_CONSTRUCTED)) \
== (V_ASN1_UNIVERSAL|(type)))) \
{ \
M_ASN1_D2I_get(b,func); \
}
#define M_ASN1_D2I_get_IMP_opt(b,func,tag,type) \
if ((c.slen != 0) && ((M_ASN1_next & (~V_ASN1_CONSTRUCTED)) == \
(V_ASN1_CONTEXT_SPECIFIC|(tag)))) \
{ \
unsigned char tmp; \
tmp=M_ASN1_next; \
M_ASN1_next=(tmp& ~V_ASN1_PRIMATIVE_TAG)|type; \
M_ASN1_D2I_get(b,func); \
M_ASN1_next_prev=tmp; \
}
#define M_ASN1_D2I_get_set(r,func,free_func) \
M_ASN1_D2I_get_imp_set(r,func,free_func, \
V_ASN1_SET,V_ASN1_UNIVERSAL);
#define M_ASN1_D2I_get_set_opt(r,func,free_func) \
if ((c.slen != 0) && (M_ASN1_next == (V_ASN1_UNIVERSAL| \
V_ASN1_CONSTRUCTED|V_ASN1_SET)))\
{ M_ASN1_D2I_get_set(r,func,free_func); }
#define M_ASN1_I2D_len_SET_opt(a,f) \
if ((a != NULL) && (sk_num(a) != 0)) \
M_ASN1_I2D_len_SET(a,f);
#define M_ASN1_I2D_put_SET_opt(a,f) \
if ((a != NULL) && (sk_num(a) != 0)) \
M_ASN1_I2D_put_SET(a,f);
#define M_ASN1_I2D_put_SEQUENCE_opt(a,f) \
if ((a != NULL) && (sk_num(a) != 0)) \
M_ASN1_I2D_put_SEQUENCE(a,f);
#define M_ASN1_D2I_get_IMP_set_opt(b,func,free_func,tag) \
if ((c.slen != 0) && \
(M_ASN1_next == \
(V_ASN1_CONTEXT_SPECIFIC|V_ASN1_CONSTRUCTED|(tag))))\
{ \
M_ASN1_D2I_get_imp_set(b,func,free_func,\
tag,V_ASN1_CONTEXT_SPECIFIC); \
}
#define M_ASN1_D2I_get_seq(r,func,free_func) \
M_ASN1_D2I_get_imp_set(r,func,free_func,\
V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL);
#define M_ASN1_D2I_get_seq_opt(r,func,free_func) \
if ((c.slen != 0) && (M_ASN1_next == (V_ASN1_UNIVERSAL| \
V_ASN1_CONSTRUCTED|V_ASN1_SEQUENCE)))\
{ M_ASN1_D2I_get_seq(r,func,free_func); }
#define M_ASN1_D2I_get_IMP_set(r,func,free_func,x) \
M_ASN1_D2I_get_imp_set(r,func,free_func,\
x,V_ASN1_CONTEXT_SPECIFIC);
#define M_ASN1_D2I_get_imp_set(r,func,free_func,a,b) \
c.q=c.p; \
if (d2i_ASN1_SET(&(r),&c.p,c.slen,(char *(*)())func,\
(void (*)())free_func,a,b) == NULL) \
{ c.line=__LINE__; goto err; } \
c.slen-=(c.p-c.q);
#define M_ASN1_D2I_get_set_strings(r,func,a,b) \
c.q=c.p; \
if (d2i_ASN1_STRING_SET(&(r),&c.p,c.slen,a,b) == NULL) \
{ c.line=__LINE__; goto err; } \
c.slen-=(c.p-c.q);
#define M_ASN1_D2I_get_EXP_opt(r,func,tag) \
if ((c.slen != 0L) && (M_ASN1_next == \
(V_ASN1_CONSTRUCTED|V_ASN1_CONTEXT_SPECIFIC|tag))) \
{ \
int Tinf,Ttag,Tclass; \
long Tlen; \
\
c.q=c.p; \
Tinf=ASN1_get_object(&c.p,&Tlen,&Ttag,&Tclass,c.slen); \
if (Tinf & 0x80) \
{ c.error=ERR_R_BAD_ASN1_OBJECT_HEADER; \
c.line=__LINE__; goto err; } \
if (Tinf == (V_ASN1_CONSTRUCTED+1)) \
Tlen = c.slen - (c.p - c.q) - 2; \
if (func(&(r),&c.p,Tlen) == NULL) \
{ c.line=__LINE__; goto err; } \
if (Tinf == (V_ASN1_CONSTRUCTED+1)) { \
Tlen = c.slen - (c.p - c.q); \
if(!ASN1_check_infinite_end(&c.p, Tlen)) \
{ c.error=ERR_R_MISSING_ASN1_EOS; \
c.line=__LINE__; goto err; } \
}\
c.slen-=(c.p-c.q); \
}
#define M_ASN1_D2I_get_EXP_set_opt(r,func,free_func,tag,b) \
if ((c.slen != 0) && (M_ASN1_next == \
(V_ASN1_CONSTRUCTED|V_ASN1_CONTEXT_SPECIFIC|tag))) \
{ \
int Tinf,Ttag,Tclass; \
long Tlen; \
\
c.q=c.p; \
Tinf=ASN1_get_object(&c.p,&Tlen,&Ttag,&Tclass,c.slen); \
if (Tinf & 0x80) \
{ c.error=ERR_R_BAD_ASN1_OBJECT_HEADER; \
c.line=__LINE__; goto err; } \
if (Tinf == (V_ASN1_CONSTRUCTED+1)) \
Tlen = c.slen - (c.p - c.q) - 2; \
if (d2i_ASN1_SET(&(r),&c.p,Tlen,(char *(*)())func, \
(void (*)())free_func, \
b,V_ASN1_UNIVERSAL) == NULL) \
{ c.line=__LINE__; goto err; } \
if (Tinf == (V_ASN1_CONSTRUCTED+1)) { \
Tlen = c.slen - (c.p - c.q); \
if(!ASN1_check_infinite_end(&c.p, Tlen)) \
{ c.error=ERR_R_MISSING_ASN1_EOS; \
c.line=__LINE__; goto err; } \
}\
c.slen-=(c.p-c.q); \
}
/* New macros */
#define M_ASN1_New_Malloc(ret,type) \
if ((ret=(type *)Malloc(sizeof(type))) == NULL) \
{ c.line=__LINE__; goto err2; }
#define M_ASN1_New(arg,func) \
if (((arg)=func()) == NULL) return(NULL)
#define M_ASN1_New_Error(a) \
/* err: ASN1_MAC_H_err((a),ERR_R_NESTED_ASN1_ERROR,c.line); \
return(NULL);*/ \
err2: ASN1_MAC_H_err((a),ERR_R_MALLOC_FAILURE,c.line); \
return(NULL)
#define M_ASN1_next (*c.p)
#define M_ASN1_next_prev (*c.q)
/*************************************************/
#define M_ASN1_I2D_vars(a) int r=0,ret=0; \
unsigned char *p; \
if (a == NULL) return(0)
/* Length Macros */
#define M_ASN1_I2D_len(a,f) ret+=f(a,NULL)
#define M_ASN1_I2D_len_IMP_opt(a,f) if (a != NULL) M_ASN1_I2D_len(a,f)
#define M_ASN1_I2D_len_SET(a,f) \
ret+=i2d_ASN1_SET(a,NULL,f,V_ASN1_SET,V_ASN1_UNIVERSAL,IS_SET);
#define M_ASN1_I2D_len_SEQUENCE(a,f) \
ret+=i2d_ASN1_SET(a,NULL,f,V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL, \
IS_SEQUENCE);
#define M_ASN1_I2D_len_SEQUENCE_opt(a,f) \
if ((a != NULL) && (sk_num(a) != 0)) \
M_ASN1_I2D_len_SEQUENCE(a,f);
#define M_ASN1_I2D_len_IMP_SET(a,f,x) \
ret+=i2d_ASN1_SET(a,NULL,f,x,V_ASN1_CONTEXT_SPECIFIC,IS_SET);
#define M_ASN1_I2D_len_IMP_SET_opt(a,f,x) \
if ((a != NULL) && (sk_num(a) != 0)) \
ret+=i2d_ASN1_SET(a,NULL,f,x,V_ASN1_CONTEXT_SPECIFIC, \
IS_SET);
#define M_ASN1_I2D_len_IMP_SEQUENCE(a,f,x) \
ret+=i2d_ASN1_SET(a,NULL,f,x,V_ASN1_CONTEXT_SPECIFIC, \
IS_SEQUENCE);
#define M_ASN1_I2D_len_IMP_SEQUENCE_opt(a,f,x) \
if ((a != NULL) && (sk_num(a) != 0)) \
ret+=i2d_ASN1_SET(a,NULL,f,x,V_ASN1_CONTEXT_SPECIFIC, \
IS_SEQUENCE);
#define M_ASN1_I2D_len_EXP_opt(a,f,mtag,v) \
if (a != NULL)\
{ \
v=f(a,NULL); \
ret+=ASN1_object_size(1,v,mtag); \
}
#define M_ASN1_I2D_len_EXP_SET_opt(a,f,mtag,tag,v) \
if ((a != NULL) && (sk_num(a) != 0))\
{ \
v=i2d_ASN1_SET(a,NULL,f,tag,V_ASN1_UNIVERSAL,IS_SET); \
ret+=ASN1_object_size(1,v,mtag); \
}
#define M_ASN1_I2D_len_EXP_SEQUENCE_opt(a,f,mtag,tag,v) \
if ((a != NULL) && (sk_num(a) != 0))\
{ \
v=i2d_ASN1_SET(a,NULL,f,tag,V_ASN1_UNIVERSAL, \
IS_SEQUENCE); \
ret+=ASN1_object_size(1,v,mtag); \
}
/* Put Macros */
#define M_ASN1_I2D_put(a,f) f(a,&p)
#define M_ASN1_I2D_put_IMP_opt(a,f,t) \
if (a != NULL) \
{ \
unsigned char *q=p; \
f(a,&p); \
*q=(V_ASN1_CONTEXT_SPECIFIC|t|(*q&V_ASN1_CONSTRUCTED));\
}
#define M_ASN1_I2D_put_SET(a,f) i2d_ASN1_SET(a,&p,f,V_ASN1_SET,\
V_ASN1_UNIVERSAL,IS_SET)
#define M_ASN1_I2D_put_IMP_SET(a,f,x) i2d_ASN1_SET(a,&p,f,x,\
V_ASN1_CONTEXT_SPECIFIC,IS_SET)
#define M_ASN1_I2D_put_IMP_SEQUENCE(a,f,x) i2d_ASN1_SET(a,&p,f,x,\
V_ASN1_CONTEXT_SPECIFIC,IS_SEQUENCE)
#define M_ASN1_I2D_put_SEQUENCE(a,f) i2d_ASN1_SET(a,&p,f,V_ASN1_SEQUENCE,\
V_ASN1_UNIVERSAL,IS_SEQUENCE)
#define M_ASN1_I2D_put_SEQUENCE_opt(a,f) \
if ((a != NULL) && (sk_num(a) != 0)) \
M_ASN1_I2D_put_SEQUENCE(a,f);
#define M_ASN1_I2D_put_IMP_SET_opt(a,f,x) \
if ((a != NULL) && (sk_num(a) != 0)) \
{ i2d_ASN1_SET(a,&p,f,x,V_ASN1_CONTEXT_SPECIFIC, \
IS_SET); }
#define M_ASN1_I2D_put_IMP_SEQUENCE_opt(a,f,x) \
if ((a != NULL) && (sk_num(a) != 0)) \
{ i2d_ASN1_SET(a,&p,f,x,V_ASN1_CONTEXT_SPECIFIC, \
IS_SEQUENCE); }
#define M_ASN1_I2D_put_EXP_opt(a,f,tag,v) \
if (a != NULL) \
{ \
ASN1_put_object(&p,1,v,tag,V_ASN1_CONTEXT_SPECIFIC); \
f(a,&p); \
}
#define M_ASN1_I2D_put_EXP_SET_opt(a,f,mtag,tag,v) \
if ((a != NULL) && (sk_num(a) != 0)) \
{ \
ASN1_put_object(&p,1,v,mtag,V_ASN1_CONTEXT_SPECIFIC); \
i2d_ASN1_SET(a,&p,f,tag,V_ASN1_UNIVERSAL,IS_SET); \
}
#define M_ASN1_I2D_put_EXP_SEQUENCE_opt(a,f,mtag,tag,v) \
if ((a != NULL) && (sk_num(a) != 0)) \
{ \
ASN1_put_object(&p,1,v,mtag,V_ASN1_CONTEXT_SPECIFIC); \
i2d_ASN1_SET(a,&p,f,tag,V_ASN1_UNIVERSAL,IS_SEQUENCE); \
}
#define M_ASN1_I2D_seq_total() \
r=ASN1_object_size(1,ret,V_ASN1_SEQUENCE); \
if (pp == NULL) return(r); \
p= *pp; \
ASN1_put_object(&p,1,ret,V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL)
#define M_ASN1_I2D_INF_seq_start(tag,ctx) \
*(p++)=(V_ASN1_CONSTRUCTED|(tag)|(ctx)); \
*(p++)=0x80
#define M_ASN1_I2D_INF_seq_end() *(p++)=0x00; *(p++)=0x00
#define M_ASN1_I2D_finish() *pp=p; \
return(r);
#ifndef NOPROTO
int asn1_GetSequence(ASN1_CTX *c, long *length);
void asn1_add_error(unsigned char *address,int offset);
#else
int asn1_GetSequence();
void asn1_add_error();
#endif
#ifdef __cplusplus
}
#endif
#endif
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