LU-8602 gss: support OpenSSL 1.1

[fs/lustre-release.git] / lustre / utils / gss / sk_utils.h

diff --git a/lustre/utils/gss/sk_utils.h b/lustre/utils/gss/sk_utils.h
index 75daee3..e20d12d 100644 (file)
--- a/lustre/utils/gss/sk_utils.h
+++ b/lustre/utils/gss/sk_utils.h
@@ -33,6 +33,7 @@
 #include <linux/lustre/lustre_idl.h>
 #include <openssl/dh.h>
 #include <openssl/evp.h>
+#include <openssl/hmac.h>
 #include <sys/types.h>
 
 #include <libcfs/libcfs_crypto.h>
@@ -51,6 +52,74 @@
 #define LL_CRYPTO_MAX_NAME 64
 #endif
 
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
+static inline HMAC_CTX *HMAC_CTX_new(void)
+{
+       HMAC_CTX *ctx = OPENSSL_malloc(sizeof(*ctx));
+
+       if (ctx != NULL)
+               HMAC_CTX_init(ctx);
+       return ctx;
+}
+
+static inline void HMAC_CTX_free(HMAC_CTX *ctx)
+{
+       if (ctx != NULL) {
+               HMAC_CTX_cleanup(ctx);
+               OPENSSL_cleanse(ctx, sizeof(*ctx));
+               OPENSSL_free(ctx);
+       }
+}
+static inline void DH_get0_pqg(const DH *dh,
+                              const BIGNUM **p, const BIGNUM **q,
+                              const BIGNUM **g)
+{
+       if (p != NULL)
+               *p = dh->p;
+       if (q != NULL)
+               *q = dh->q;
+       if (g != NULL)
+               *g = dh->g;
+}
+
+static inline int DH_set0_pqg(DH *dh, BIGNUM *p, BIGNUM *q, BIGNUM *g)
+{
+       /* If the fields p and g in dh are NULL, the corresponding input
+        * parameters MUST be non-NULL.  q may remain NULL.
+        */
+       if ((dh->p == NULL && p == NULL)
+           || (dh->g == NULL && g == NULL))
+               return 0;
+
+       if (p != NULL) {
+               BN_free(dh->p);
+               dh->p = p;
+       }
+       if (q != NULL) {
+               BN_free(dh->q);
+               dh->q = q;
+       }
+       if (g != NULL) {
+               BN_free(dh->g);
+               dh->g = g;
+       }
+
+       if (q != NULL)
+               dh->length = BN_num_bits(q);
+
+       return 1;
+}
+
+static inline void DH_get0_key(const DH *dh, const BIGNUM **pub_key,
+                              const BIGNUM **priv_key)
+{
+       if (pub_key != NULL)
+               *pub_key = dh->pub_key;
+       if (priv_key != NULL)
+               *priv_key = dh->priv_key;
+}
+#endif
+
 /* Some limits and defaults */
 #define SK_CONF_VERSION 1
 #define SK_MSG_VERSION 1