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Diffstat (limited to 'crypto/x509v3/v3_lib.c')
-rw-r--r--crypto/x509v3/v3_lib.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/crypto/x509v3/v3_lib.c b/crypto/x509v3/v3_lib.c
index b5598c9a3e950..8350429aafbe3 100644
--- a/crypto/x509v3/v3_lib.c
+++ b/crypto/x509v3/v3_lib.c
@@ -122,6 +122,28 @@ const X509V3_EXT_METHOD *X509V3_EXT_get(X509_EXTENSION *ext)
return X509V3_EXT_get_nid(nid);
}
+int X509V3_EXT_free(int nid, void *ext_data)
+{
+ const X509V3_EXT_METHOD *ext_method = X509V3_EXT_get_nid(nid);
+ if (ext_method == NULL) {
+ X509V3err(X509V3_F_X509V3_EXT_FREE,
+ X509V3_R_CANNOT_FIND_FREE_FUNCTION);
+ return 0;
+ }
+
+ if (ext_method->it != NULL)
+ ASN1_item_free(ext_data, ASN1_ITEM_ptr(ext_method->it));
+ else if (ext_method->ext_free != NULL)
+ ext_method->ext_free(ext_data);
+ else {
+ X509V3err(X509V3_F_X509V3_EXT_FREE,
+ X509V3_R_CANNOT_FIND_FREE_FUNCTION);
+ return 0;
+ }
+
+ return 1;
+}
+
int X509V3_EXT_add_list(X509V3_EXT_METHOD *extlist)
{
for (; extlist->ext_nid != -1; extlist++)