Fix hash creation

1 files changed, 15 insertions, 3 deletions

diff --git a/lib/utils_base.c b/lib/utils_base.c
index 39032cb..105ff44 100644
--- a/lib/utils_base.c
+++ b/lib/utils_base.c
@@ -404,9 +404,15 @@ int mp_translate_state (char *state_text) {
 char *_np_state_generate_key() {
         int i;
         char **argv = this_monitoring_plugin->argv;
-        unsigned char result[20];
         char keyname[41];
         char *p=NULL;
+
+        unsigned char *result = malloc(256 * sizeof(unsigned char));
+
+        if (result == NULL) {
+                die(STATE_UNKNOWN, _("Failed to allocate memory for hashes: %s"), strerror(errno));
+        }
+
 #ifdef USE_OPENSSL
         /*
          * This code path is chosen if openssl is available (which should be the most common
@@ -421,16 +427,22 @@ char *_np_state_generate_key() {
                 EVP_DigestUpdate(ctx, argv[i], strlen(argv[i]));
         }
 
-        EVP_DigestFinalXOF(ctx, &result, 20);
+        EVP_DigestFinal(ctx, result, NULL);
 #else
+
         struct sha256_ctx ctx;
 
         for(i=0; i<this_monitoring_plugin->argc; i++) {
                 sha256_process_bytes(argv[i], strlen(argv[i]), &ctx);
         }
 
-        sha256_finish_ctx(&ctx, &result);
+        sha256_finish_ctx(&ctx, result);
 #endif // FOUNDOPENSSL
+
+        for (i=0; i<20; ++i) {
+                sprintf(&keyname[2*i], "%02x", result[i]);
+        }
+
         keyname[40]='\0';
 
         p = strdup(keyname);