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Utility attribute function to retrieve attribute data from an expected

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type. Useful for many attributes which are single valued and can only
have one type.
This commit is contained in:
Dr. Stephen Henson 2008-02-11 17:52:38 +00:00
parent 1ad90a916b
commit 4d318c79b2
2 changed files with 18 additions and 0 deletions
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2
crypto/x509/x509.h
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@ -1080,6 +1080,8 @@ STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_NID(STACK_OF(X509_ATTRIBUTE) **x,
STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_txt(STACK_OF(X509_ATTRIBUTE) **x,
const char *attrname, int type,
const unsigned char *bytes, int len);
void *X509at_get0_data_by_OBJ(STACK_OF(X509_ATTRIBUTE) *x,
ASN1_OBJECT *obj, int lastpos, int type);
X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_NID(X509_ATTRIBUTE **attr, int nid,
int atrtype, const void *data, int len);
X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_OBJ(X509_ATTRIBUTE **attr,

16
crypto/x509/x509_att.c
View file

@ -193,6 +193,22 @@ STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_txt(STACK_OF(X509_ATTRIBUTE) **x,
return ret;
}
void *X509at_get0_data_by_OBJ(STACK_OF(X509_ATTRIBUTE) *x,
ASN1_OBJECT *obj, int lastpos, int type)
{
int i;
X509_ATTRIBUTE *at;
i = X509at_get_attr_by_OBJ(x, obj, lastpos);
if (i == -1)
return NULL;
if ((lastpos <= -2) && (X509at_get_attr_by_OBJ(x, obj, i) != -1))
return NULL;
at = X509at_get_attr(x, i);
if (lastpos <= -3 && (X509_ATTRIBUTE_count(at) != 1))
return NULL;
return X509_ATTRIBUTE_get0_data(at, type, 0, NULL);
}
X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_NID(X509_ATTRIBUTE **attr, int nid,
int atrtype, const void *data, int len)
{