openssl/crypto/asn1/x_name.c
1999-01-07 19:15:59 +00:00

303 lines
7.6 KiB
C

/* crypto/asn1/x_name.c */
/* 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.]
*/
#include <stdio.h>
#include "cryptlib.h"
#include "objects.h"
#include "asn1_mac.h"
/*
* ASN1err(ASN1_F_D2I_X509_NAME,ERR_R_ASN1_LENGTH_MISMATCH);
* ASN1err(ASN1_F_X509_NAME_NEW,ASN1_R_UNKNOWN_ATTRIBUTE_TYPE);
* ASN1err(ASN1_F_D2I_X509_NAME_ENTRY,ERR_R_ASN1_LENGTH_MISMATCH);
* ASN1err(ASN1_F_X509_NAME_ENTRY_NEW,ASN1_R_UNKNOWN_ATTRIBUTE_TYPE);
*/
#ifndef NOPROTO
static int i2d_X509_NAME_entries(X509_NAME *a);
#else
static int i2d_X509_NAME_entries();
#endif
int i2d_X509_NAME_ENTRY(a,pp)
X509_NAME_ENTRY *a;
unsigned char **pp;
{
M_ASN1_I2D_vars(a);
M_ASN1_I2D_len(a->object,i2d_ASN1_OBJECT);
M_ASN1_I2D_len(a->value,i2d_ASN1_PRINTABLE);
M_ASN1_I2D_seq_total();
M_ASN1_I2D_put(a->object,i2d_ASN1_OBJECT);
M_ASN1_I2D_put(a->value,i2d_ASN1_PRINTABLE);
M_ASN1_I2D_finish();
}
X509_NAME_ENTRY *d2i_X509_NAME_ENTRY(a,pp,length)
X509_NAME_ENTRY **a;
unsigned char **pp;
long length;
{
M_ASN1_D2I_vars(a,X509_NAME_ENTRY *,X509_NAME_ENTRY_new);
M_ASN1_D2I_Init();
M_ASN1_D2I_start_sequence();
M_ASN1_D2I_get(ret->object,d2i_ASN1_OBJECT);
M_ASN1_D2I_get(ret->value,d2i_ASN1_PRINTABLE);
ret->set=0;
M_ASN1_D2I_Finish(a,X509_NAME_ENTRY_free,ASN1_F_D2I_X509_NAME_ENTRY);
}
int i2d_X509_NAME(a,pp)
X509_NAME *a;
unsigned char **pp;
{
int ret;
if (a == NULL) return(0);
if (a->modified)
{
ret=i2d_X509_NAME_entries(a);
if (ret < 0) return(ret);
}
ret=a->bytes->length;
if (pp != NULL)
{
memcpy(*pp,a->bytes->data,ret);
*pp+=ret;
}
return(ret);
}
static int i2d_X509_NAME_entries(a)
X509_NAME *a;
{
X509_NAME_ENTRY *ne,*fe=NULL;
STACK *sk;
BUF_MEM *buf=NULL;
int set=0,r,ret=0;
int i;
unsigned char *p;
int size=0;
sk=a->entries;
for (i=0; i<sk_num(sk); i++)
{
ne=(X509_NAME_ENTRY *)sk_value(sk,i);
if (fe == NULL)
{
fe=ne;
size=0;
}
if (ne->set != set)
{
ret+=ASN1_object_size(1,size,V_ASN1_SET);
fe->size=size;
fe=ne;
size=0;
set=ne->set;
}
size+=i2d_X509_NAME_ENTRY(ne,NULL);
}
ret+=ASN1_object_size(1,size,V_ASN1_SET);
if (fe != NULL)
fe->size=size;
r=ASN1_object_size(1,ret,V_ASN1_SEQUENCE);
buf=a->bytes;
if (!BUF_MEM_grow(buf,r)) goto err;
p=(unsigned char *)buf->data;
ASN1_put_object(&p,1,ret,V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL);
set= -1;
for (i=0; i<sk_num(sk); i++)
{
ne=(X509_NAME_ENTRY *)sk_value(sk,i);
if (set != ne->set)
{
set=ne->set;
ASN1_put_object(&p,1,ne->size,
V_ASN1_SET,V_ASN1_UNIVERSAL);
}
i2d_X509_NAME_ENTRY(ne,&p);
}
a->modified=0;
return(r);
err:
return(-1);
}
X509_NAME *d2i_X509_NAME(a,pp,length)
X509_NAME **a;
unsigned char **pp;
long length;
{
int set=0,i;
int idx=0;
unsigned char *orig;
M_ASN1_D2I_vars(a,X509_NAME *,X509_NAME_new);
orig= *pp;
if (sk_num(ret->entries) > 0)
{
while (sk_num(ret->entries) > 0)
X509_NAME_ENTRY_free((X509_NAME_ENTRY *)
sk_pop(ret->entries));
}
M_ASN1_D2I_Init();
M_ASN1_D2I_start_sequence();
for (;;)
{
if (M_ASN1_D2I_end_sequence()) break;
M_ASN1_D2I_get_set(ret->entries,d2i_X509_NAME_ENTRY,
X509_NAME_ENTRY_free);
for (; idx < sk_num(ret->entries); idx++)
{
((X509_NAME_ENTRY *)sk_value(ret->entries,idx))->set=
set;
}
set++;
}
i=(int)(c.p-orig);
if (!BUF_MEM_grow(ret->bytes,i)) goto err;
memcpy(ret->bytes->data,orig,i);
ret->bytes->length=i;
ret->modified=0;
M_ASN1_D2I_Finish(a,X509_NAME_free,ASN1_F_D2I_X509_NAME);
}
X509_NAME *X509_NAME_new()
{
X509_NAME *ret=NULL;
ASN1_CTX c;
M_ASN1_New_Malloc(ret,X509_NAME);
if ((ret->entries=sk_new(NULL)) == NULL)
{ c.line=__LINE__; goto err2; }
M_ASN1_New(ret->bytes,BUF_MEM_new);
ret->modified=1;
return(ret);
M_ASN1_New_Error(ASN1_F_X509_NAME_NEW);
}
X509_NAME_ENTRY *X509_NAME_ENTRY_new()
{
X509_NAME_ENTRY *ret=NULL;
ASN1_CTX c;
M_ASN1_New_Malloc(ret,X509_NAME_ENTRY);
/* M_ASN1_New(ret->object,ASN1_OBJECT_new);*/
ret->object=NULL;
ret->set=0;
M_ASN1_New(ret->value,ASN1_STRING_new);
return(ret);
M_ASN1_New_Error(ASN1_F_X509_NAME_ENTRY_NEW);
}
void X509_NAME_free(a)
X509_NAME *a;
{
if(a == NULL)
return;
BUF_MEM_free(a->bytes);
sk_pop_free(a->entries,X509_NAME_ENTRY_free);
Free((char *)a);
}
void X509_NAME_ENTRY_free(a)
X509_NAME_ENTRY *a;
{
if (a == NULL) return;
ASN1_OBJECT_free(a->object);
ASN1_BIT_STRING_free(a->value);
Free((char *)a);
}
int X509_NAME_set(xn,name)
X509_NAME **xn;
X509_NAME *name;
{
X509_NAME *in;
if (*xn == NULL) return(0);
if (*xn != name)
{
in=X509_NAME_dup(name);
if (in != NULL)
{
X509_NAME_free(*xn);
*xn=in;
}
}
return(*xn != NULL);
}