mac: add FIPS error state handling

Check for provider being runnable in new, dup, init and final calls.

Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/12801)

1 files changed, 15 insertions, 2 deletions

diff --git a/providers/implementations/macs/hmac_prov.c b/providers/implementations/macs/hmac_prov.c
index f6cb544f64..2f99e75a88 100644
--- a/providers/implementations/macs/hmac_prov.c
+++ b/providers/implementations/macs/hmac_prov.c
@@ -25,6 +25,7 @@
 #include "prov/implementations.h"
 #include "prov/provider_ctx.h"
 #include "prov/provider_util.h"
+#include "prov/providercommon.h"
 
 /*
  * Forward declaration of everything implemented here.  This is not strictly
@@ -76,6 +77,9 @@ static void *hmac_new(void *provctx)
 {
     struct hmac_data_st *macctx;
 
+    if (!ossl_prov_is_running())
+        return NULL;
+
     if ((macctx = OPENSSL_zalloc(sizeof(*macctx))) == NULL
         || (macctx->ctx = HMAC_CTX_new()) == NULL) {
         OPENSSL_free(macctx);
@@ -102,9 +106,12 @@ static void hmac_free(void *vmacctx)
 static void *hmac_dup(void *vsrc)
 {
     struct hmac_data_st *src = vsrc;
-    struct hmac_data_st *dst = hmac_new(src->provctx);
+    struct hmac_data_st *dst;
     HMAC_CTX *ctx;
 
+    if (!ossl_prov_is_running())
+        return NULL;
+    dst = hmac_new(src->provctx);
     if (dst == NULL)
         return NULL;
 
@@ -140,9 +147,13 @@ static size_t hmac_size(void *vmacctx)
 static int hmac_init(void *vmacctx)
 {
     struct hmac_data_st *macctx = vmacctx;
-    const EVP_MD *digest = ossl_prov_digest_md(&macctx->digest);
+    const EVP_MD *digest;
     int rv = 1;
 
+    if (!ossl_prov_is_running())
+        return 0;
+
+    digest = ossl_prov_digest_md(&macctx->digest);
     /* HMAC_Init_ex doesn't tolerate all zero params, so we must be careful */
     if (macctx->tls_data_size == 0 && digest != NULL)
         rv = HMAC_Init_ex(macctx->ctx, NULL, 0, digest,
@@ -191,6 +202,8 @@ static int hmac_final(void *vmacctx, unsigned char *out, size_t *outl,
     unsigned int hlen;
     struct hmac_data_st *macctx = vmacctx;
 
+    if (!ossl_prov_is_running())
+        return 0;
     if (macctx->tls_data_size > 0) {
         if (macctx->tls_mac_out_size == 0)
             return 0;