#include <openssl/asn1.h>
#include <openssl/asn1_mac.h>
-static int asn1_get_length(unsigned char **pp,int *inf,long *rl,int max);
+static int asn1_get_length(const unsigned char **pp,int *inf,long *rl,int max);
static void asn1_put_length(unsigned char **pp, int length);
-const char *ASN1_version="ASN.1" OPENSSL_VERSION_PTEXT;
+const char ASN1_version[]="ASN.1" OPENSSL_VERSION_PTEXT;
-int ASN1_check_infinite_end(unsigned char **p, long len)
+static int _asn1_check_infinite_end(const unsigned char **p, long len)
{
/* If there is 0 or 1 byte left, the length check should pick
* things up */
return(0);
}
+int ASN1_check_infinite_end(unsigned char **p, long len)
+ {
+ return _asn1_check_infinite_end((const unsigned char **)p, len);
+ }
+
+int ASN1_const_check_infinite_end(const unsigned char **p, long len)
+ {
+ return _asn1_check_infinite_end(p, len);
+ }
+
-int ASN1_get_object(unsigned char **pp, long *plength, int *ptag, int *pclass,
- long omax)
+int ASN1_get_object(const unsigned char **pp, long *plength, int *ptag,
+ int *pclass, long omax)
{
int i,ret;
long l;
- unsigned char *p= *pp;
+ const unsigned char *p= *pp;
int tag,xclass,inf;
long max=omax;
return(0x80);
}
-static int asn1_get_length(unsigned char **pp, int *inf, long *rl, int max)
+static int asn1_get_length(const unsigned char **pp, int *inf, long *rl, int max)
{
- unsigned char *p= *pp;
+ const unsigned char *p= *pp;
unsigned long ret=0;
unsigned int i;
return(ret);
}
-int asn1_Finish(ASN1_CTX *c)
+static int _asn1_Finish(ASN1_const_CTX *c)
{
if ((c->inf == (1|V_ASN1_CONSTRUCTED)) && (!c->eos))
{
- if (!ASN1_check_infinite_end(&c->p,c->slen))
+ if (!ASN1_const_check_infinite_end(&c->p,c->slen))
{
c->error=ERR_R_MISSING_ASN1_EOS;
return(0);
return(1);
}
-int asn1_GetSequence(ASN1_CTX *c, long *length)
+int asn1_Finish(ASN1_CTX *c)
+ {
+ return _asn1_Finish((ASN1_const_CTX *)c);
+ }
+
+int asn1_const_Finish(ASN1_const_CTX *c)
{
- unsigned char *q;
+ return _asn1_Finish(c);
+ }
+
+int asn1_GetSequence(ASN1_const_CTX *c, long *length)
+ {
+ const unsigned char *q;
q=c->p;
c->inf=ASN1_get_object(&(c->p),&(c->slen),&(c->tag),&(c->xclass),
return(1);
}
-ASN1_STRING *ASN1_STRING_dup(ASN1_STRING *str)
+int ASN1_STRING_copy(ASN1_STRING *dst, const ASN1_STRING *str)
{
- ASN1_STRING *ret;
+ if (str == NULL)
+ return 0;
+ dst->type = str->type;
+ if (!ASN1_STRING_set(dst,str->data,str->length))
+ return 0;
+ dst->flags = str->flags;
+ return 1;
+ }
- if (str == NULL) return(NULL);
- if ((ret=ASN1_STRING_type_new(str->type)) == NULL)
- return(NULL);
- if (!ASN1_STRING_set(ret,str->data,str->length))
+ASN1_STRING *ASN1_STRING_dup(const ASN1_STRING *str)
+ {
+ ASN1_STRING *ret;
+ if (!str)
+ return NULL;
+ ret=ASN1_STRING_new();
+ if (!ret)
+ return NULL;
+ if (!ASN1_STRING_copy(ret,str))
{
ASN1_STRING_free(ret);
- return(NULL);
+ return NULL;
}
- ret->flags = str->flags;
- return(ret);
+ return ret;
}
int ASN1_STRING_set(ASN1_STRING *str, const void *_data, int len)
if (str->data == NULL)
{
+ ASN1err(ASN1_F_ASN1_STRING_SET,ERR_R_MALLOC_FAILURE);
str->data=c;
return(0);
}
return(1);
}
+void ASN1_STRING_set0(ASN1_STRING *str, void *data, int len)
+ {
+ if (str->data)
+ OPENSSL_free(str->data);
+ str->data = data;
+ str->length = len;
+ }
+
ASN1_STRING *ASN1_STRING_new(void)
{
return(ASN1_STRING_type_new(V_ASN1_OCTET_STRING));
void ASN1_STRING_free(ASN1_STRING *a)
{
if (a == NULL) return;
- if (a->data != NULL) OPENSSL_free(a->data);
+ if (a->data && !(a->flags & ASN1_STRING_FLAG_NDEF))
+ OPENSSL_free(a->data);
OPENSSL_free(a);
}
-int ASN1_STRING_cmp(ASN1_STRING *a, ASN1_STRING *b)
+int ASN1_STRING_cmp(const ASN1_STRING *a, const ASN1_STRING *b)
{
int i;
return(i);
}
-void asn1_add_error(unsigned char *address, int offset)
+void asn1_add_error(const unsigned char *address, int offset)
{
char buf1[DECIMAL_SIZE(address)+1],buf2[DECIMAL_SIZE(offset)+1];
ERR_add_error_data(4,"address=",buf1," offset=",buf2);
}
-int ASN1_STRING_length(ASN1_STRING *x)
+int ASN1_STRING_length(const ASN1_STRING *x)
{ return M_ASN1_STRING_length(x); }
void ASN1_STRING_length_set(ASN1_STRING *x, int len)