#include <stdio.h>
#include "cryptlib.h"
#include <openssl/asn1.h>
#include <openssl/asn1_mac.h>
#include <openssl/conf.h>
#include <openssl/x509v3.h>
static STACK_OF(CONF_VALUE) *i2v_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method, BASIC_CONSTRAINTS *bcons, STACK_OF(CONF_VALUE) *extlist);
static BASIC_CONSTRAINTS *v2i_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *values);
X509V3_EXT_METHOD v3_bcons = {
NID_basic_constraints, 0,
(X509V3_EXT_NEW)BASIC_CONSTRAINTS_new,
(X509V3_EXT_FREE)BASIC_CONSTRAINTS_free,
(X509V3_EXT_D2I)d2i_BASIC_CONSTRAINTS,
(X509V3_EXT_I2D)i2d_BASIC_CONSTRAINTS,
NULL, NULL,
(X509V3_EXT_I2V)i2v_BASIC_CONSTRAINTS,
(X509V3_EXT_V2I)v2i_BASIC_CONSTRAINTS,
NULL,NULL,
NULL
};
int i2d_BASIC_CONSTRAINTS(BASIC_CONSTRAINTS *a, unsigned char **pp)
{
M_ASN1_I2D_vars(a);
if(a->ca) M_ASN1_I2D_len (a->ca, i2d_ASN1_BOOLEAN);
M_ASN1_I2D_len (a->pathlen, i2d_ASN1_INTEGER);
M_ASN1_I2D_seq_total();
if (a->ca) M_ASN1_I2D_put (a->ca, i2d_ASN1_BOOLEAN);
M_ASN1_I2D_put (a->pathlen, i2d_ASN1_INTEGER);
M_ASN1_I2D_finish();
}
BASIC_CONSTRAINTS *BASIC_CONSTRAINTS_new(void)
{
BASIC_CONSTRAINTS *ret=NULL;
ASN1_CTX c;
M_ASN1_New_Malloc(ret, BASIC_CONSTRAINTS);
ret->ca = 0;
ret->pathlen = NULL;
return (ret);
M_ASN1_New_Error(ASN1_F_BASIC_CONSTRAINTS_NEW);
}
BASIC_CONSTRAINTS *d2i_BASIC_CONSTRAINTS(BASIC_CONSTRAINTS **a,
unsigned char **pp, long length)
{
M_ASN1_D2I_vars(a,BASIC_CONSTRAINTS *,BASIC_CONSTRAINTS_new);
M_ASN1_D2I_Init();
M_ASN1_D2I_start_sequence();
if((M_ASN1_next & (~V_ASN1_CONSTRUCTED)) ==
(V_ASN1_UNIVERSAL|V_ASN1_BOOLEAN) ) {
M_ASN1_D2I_get_int (ret->ca, d2i_ASN1_BOOLEAN);
}
M_ASN1_D2I_get_opt (ret->pathlen, d2i_ASN1_INTEGER, V_ASN1_INTEGER);
M_ASN1_D2I_Finish(a, BASIC_CONSTRAINTS_free, ASN1_F_D2I_BASIC_CONSTRAINTS);
}
void BASIC_CONSTRAINTS_free(BASIC_CONSTRAINTS *a)
{
if (a == NULL) return;
M_ASN1_INTEGER_free (a->pathlen);
OPENSSL_free (a);
}
static STACK_OF(CONF_VALUE) *i2v_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method,
BASIC_CONSTRAINTS *bcons, STACK_OF(CONF_VALUE) *extlist)
{
X509V3_add_value_bool("CA", bcons->ca, &extlist);
X509V3_add_value_int("pathlen", bcons->pathlen, &extlist);
return extlist;
}
static BASIC_CONSTRAINTS *v2i_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method,
X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *values)
{
BASIC_CONSTRAINTS *bcons=NULL;
CONF_VALUE *val;
int i;
if(!(bcons = BASIC_CONSTRAINTS_new())) {
X509V3err(X509V3_F_V2I_BASIC_CONSTRAINTS, ERR_R_MALLOC_FAILURE);
return NULL;
}
for(i = 0; i < sk_CONF_VALUE_num(values); i++) {
val = sk_CONF_VALUE_value(values, i);
if(!strcmp(val->name, "CA")) {
if(!X509V3_get_value_bool(val, &bcons->ca)) goto err;
} else if(!strcmp(val->name, "pathlen")) {
if(!X509V3_get_value_int(val, &bcons->pathlen)) goto err;
} else {
X509V3err(X509V3_F_V2I_BASIC_CONSTRAINTS, X509V3_R_INVALID_NAME);
X509V3_conf_err(val);
goto err;
}
}
return bcons;
err:
BASIC_CONSTRAINTS_free(bcons);
return NULL;
}