asn1_node p;
unsigned char class, *temp;
unsigned long tag, t;
+ int err;
counter = 0;
{
p_vet = malloc (sizeof (struct vet));
if (p_vet == NULL)
- return ASN1_MEM_ALLOC_ERROR;
+ {
+ err = ASN1_MEM_ALLOC_ERROR;
+ goto error;
+ }
p_vet->next = NULL;
p_vet->prev = last;
last = p_vet;
/* tag value calculation */
- if (asn1_get_tag_der
- (der + counter, der_len - counter, &class, &len2,
- &tag) != ASN1_SUCCESS)
- return ASN1_DER_ERROR;
+ err = asn1_get_tag_der (der + counter, der_len - counter, &class, &len2,
+ &tag);
+ if (err != ASN1_SUCCESS)
+ goto error;
t = class << 24;
p_vet->value = t | tag;
/* extraction and length */
len2 = asn1_get_length_der (der + counter, der_len - counter, &len);
if (len2 < 0)
- return ASN1_DER_ERROR;
+ {
+ err = ASN1_DER_ERROR;
+ goto error;
+ }
counter += len + len2;
p_vet->end = counter;
/* change position */
temp = malloc (p_vet->end - counter);
if (temp == NULL)
- return ASN1_MEM_ALLOC_ERROR;
+ {
+ err = ASN1_MEM_ALLOC_ERROR;
+ goto error;
+ }
memcpy (temp, der + counter, p_vet->end - counter);
memcpy (der + counter, der + p_vet->end,
p_vet = first;
}
return ASN1_SUCCESS;
+
+error:
+ while (first != NULL)
+ {
+ p_vet = first;
+ first = first->next;
+ free(p_vet);
+ }
+ return err;
}
/******************************************************/
asn1_node p;
unsigned char *temp, class;
unsigned long k, max;
+ int err;
counter = 0;
{
p_vet = malloc (sizeof (struct vet));
if (p_vet == NULL)
- return ASN1_MEM_ALLOC_ERROR;
+ {
+ err = ASN1_MEM_ALLOC_ERROR;
+ goto error;
+ }
p_vet->next = NULL;
p_vet->prev = last;
if (der_len - counter > 0)
{
- if (asn1_get_tag_der
- (der + counter, der_len - counter, &class, &len,
- NULL) != ASN1_SUCCESS)
- return ASN1_DER_ERROR;
+ err = asn1_get_tag_der (der + counter, der_len - counter, &class,
+ &len, NULL);
+ if (err != ASN1_SUCCESS)
+ goto error;
counter += len;
len2 = asn1_get_length_der (der + counter, der_len - counter, &len);
if (len2 < 0)
- return ASN1_DER_ERROR;
+ {
+ err = ASN1_DER_ERROR;
+ goto error;
+ }
counter += len + len2;
}
/* change position */
temp = malloc (p_vet->end - counter);
if (temp == NULL)
- return ASN1_MEM_ALLOC_ERROR;
+ {
+ err = ASN1_MEM_ALLOC_ERROR;
+ goto error;
+ }
memcpy (temp, der + counter, (p_vet->end) - counter);
memcpy (der + counter, der + (p_vet->end),
p_vet = first;
}
return ASN1_SUCCESS;
+
+error:
+ while (first != NULL)
+ {
+ p_vet = first;
+ first = first->next;
+ free(p_vet);
+ }
+ return err;
}
/**