ITS#8709 contrib/slapd-modules/passwd/totp: OpenSSL 1.1.0 compatibility

diff --git a/contrib/slapd-modules/passwd/totp/slapd-totp.c b/contrib/slapd-modules/passwd/totp/slapd-totp.c
index c77753ded102b4fc1e13c22e90267160bacb6dc7..5896b33b0b8d1c1f3b32996e4ad5f79489e53586 100644 (file)
--- a/contrib/slapd-modules/passwd/totp/slapd-totp.c
+++ b/contrib/slapd-modules/passwd/totp/slapd-totp.c
@@ -41,11 +41,34 @@
 #define TOTP_SHA1      EVP_sha1()
 #define TOTP_SHA256    EVP_sha256()
 #define TOTP_SHA512    EVP_sha512()
-#define TOTP_HMAC_CTX  HMAC_CTX
+#define TOTP_HMAC_CTX  HMAC_CTX *
 
-#define HMAC_setup(ctx, key, len, hash)        HMAC_CTX_init(&ctx); HMAC_Init_ex(&ctx, key, len, hash, 0)
-#define HMAC_crunch(ctx, buf, len)     HMAC_Update(&ctx, buf, len)
-#define HMAC_finish(ctx, dig, dlen)    HMAC_Final(&ctx, dig, &dlen); HMAC_CTX_cleanup(&ctx)
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
+static HMAC_CTX *HMAC_CTX_new(void)
+{
+       HMAC_CTX *ctx = OPENSSL_malloc(sizeof(*ctx));
+       if (ctx != NULL) {
+               HMAC_CTX_init(ctx);
+       }
+       return ctx;
+}
+
+static void HMAC_CTX_free(HMAC_CTX *ctx)
+{
+       if (ctx != NULL) {
+               HMAC_CTX_cleanup(ctx);
+               OPENSSL_free(ctx);
+       }
+}
+#endif /* OPENSSL_VERSION_NUMBER < 0x10100000L */
+
+#define HMAC_setup(ctx, key, len, hash) \
+       ctx = HMAC_CTX_new(); \
+       HMAC_Init_ex(ctx, key, len, hash, 0)
+#define HMAC_crunch(ctx, buf, len)     HMAC_Update(ctx, buf, len)
+#define HMAC_finish(ctx, dig, dlen) \
+       HMAC_Final(ctx, dig, &dlen); \
+       HMAC_CTX_free(ctx)
 
 #elif HAVE_GNUTLS
 #include <nettle/hmac.h>