#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;
-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;
l<<=7L;
l|= *(p++)&0x7f;
if (--max == 0) goto err;
+ if (l > (INT_MAX >> 7L)) goto err;
}
l<<=7L;
l|= *(p++)&0x7f;
tag=(int)l;
+ if (--max == 0) goto err;
}
else
{
(int)(omax+ *pp));
#endif
- if (*plength > (omax - (*p - *pp)))
+ if (*plength > (omax - (p - *pp)))
{
ASN1err(ASN1_F_ASN1_GET_OBJECT,ASN1_R_TOO_LONG);
/* Set this so that even if things are not long enough
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;
- int i;
+ unsigned int i;
if (max-- < 1) return(0);
if (*p == 0x80)
}
p += ttag;
}
- if ((constructed == 2) && (length == 0))
- *(p++)=0x80; /* der_put_length would output 0 instead */
+ if (constructed == 2)
+ *(p++)=0x80;
else
asn1_put_length(&p,length);
*pp=p;
}
+int ASN1_put_eoc(unsigned char **pp)
+ {
+ unsigned char *p = *pp;
+ *p++ = 0;
+ *p++ = 0;
+ *pp = p;
+ return 2;
+ }
+
static void asn1_put_length(unsigned char **pp, int length)
{
unsigned char *p= *pp;
ret++;
}
}
- if ((length == 0) && (constructed == 2))
- ret+=2;
+ if (constructed == 2)
+ return ret + 3;
ret++;
if (length > 127)
{
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)
+ {
+ return _asn1_Finish(c);
+ }
+
+int asn1_GetSequence(ASN1_const_CTX *c, long *length)
{
- unsigned char *q;
+ 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)
+ASN1_STRING *ASN1_STRING_dup(const ASN1_STRING *str)
{
ASN1_STRING *ret;
if (str->data == NULL)
{
+ ASN1err(ASN1_F_ASN1_STRING_SET,ERR_R_MALLOC_FAILURE);
str->data=c;
return(0);
}
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];
- sprintf(buf1,"%lu",(unsigned long)address);
- sprintf(buf2,"%d",offset);
+ BIO_snprintf(buf1,sizeof buf1,"%lu",(unsigned long)address);
+ BIO_snprintf(buf2,sizeof buf2,"%d",offset);
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)