[PATCH 5/7] reds: Report errors from load_dh_params

[Christophe Fergeau <cfergeau@xxxxxxxxxx>]

---
 server/reds.c | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/server/reds.c b/server/reds.c
index 983ca0f..2d312e9 100644
--- a/server/reds.c
+++ b/server/reds.c
@@ -3160,25 +3160,30 @@ static int reds_init_net(void)
     return 0;
 }
 
-static void load_dh_params(SSL_CTX *ctx, char *file)
+static int load_dh_params(SSL_CTX *ctx, char *file)
 {
     DH *ret = 0;
     BIO *bio;
 
     if ((bio = BIO_new_file(file, "r")) == NULL) {
         spice_warning("Could not open DH file");
+        return -1;
     }
 
     ret = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
+    BIO_free(bio);
     if (ret == 0) {
         spice_warning("Could not read DH params");
+        return -1;
     }
 
-    BIO_free(bio);
 
     if (SSL_CTX_set_tmp_dh(ctx, ret) < 0) {
         spice_warning("Could not set DH params");
+        return -1;
     }
+
+    return 0;
 }
 
 /*The password code is not thread safe*/
@@ -3289,7 +3294,9 @@ static int reds_init_ssl(void)
 #endif
 
     if (strlen(ssl_parameters.dh_key_file) > 0) {
-        load_dh_params(reds->ctx, ssl_parameters.dh_key_file);
+        if (load_dh_params(reds->ctx, ssl_parameters.dh_key_file) < 0) {
+            return -1;
+        }
     }
 
     SSL_CTX_set_session_id_context(reds->ctx, (const unsigned char *)"SPICE", 5);
-- 
1.7.11.4

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