diff options
| author | Dr. Stephen Henson <steve@openssl.org> | 2008-02-11 17:52:38 +0000 |
|---|---|---|
| committer | Dr. Stephen Henson <steve@openssl.org> | 2008-02-11 17:52:38 +0000 |
| commit | 4d318c79b27925911f5822c5b8eaef2624bc9055 (patch) | |
| tree | 406edd87f9e0c9368dcf34215c9114c8b6761cd8 /crypto/x509/x509_att.c | |
| parent | 1ad90a916b4e3295173853d5da7f6a68cbad53f1 (diff) | |
Utility attribute function to retrieve attribute data from an expected
type. Useful for many attributes which are single valued and can only
have one type.
Diffstat (limited to 'crypto/x509/x509_att.c')
| -rw-r--r-- | crypto/x509/x509_att.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/crypto/x509/x509_att.c b/crypto/x509/x509_att.c index 2a8cc0c4b0..9245bfd9f5 100644 --- a/crypto/x509/x509_att.c +++ b/crypto/x509/x509_att.c @@ -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) { |