Suppress warnings about parsing Ed25519 keys when they are not present.

diff --git a/src/ed25519/ecdsa.c b/src/ed25519/ecdsa.c
index bfdabc1..f8aafe4 100644 (file)
--- a/src/ed25519/ecdsa.c
+++ b/src/ed25519/ecdsa.c
@@ -84,11 +84,13 @@ static bool read_pem(FILE *fp, const char *type, void *buf, size_t size) {
                size_t len = b64decode(line, line, linelen);
                if(!len) {
                        logger(DEBUG_ALWAYS, LOG_ERR, "Invalid base64 data in PEM file\n");
+                       errno = EINVAL;
                        return false;
                }
 
                if(len > size) {
                        logger(DEBUG_ALWAYS, LOG_ERR, "Too much base64 data in PEM file\n");
+                       errno = EINVAL;
                        return false;
                }
 
@@ -98,7 +100,12 @@ static bool read_pem(FILE *fp, const char *type, void *buf, size_t size) {
        }
 
        if(size) {
-               logger(DEBUG_ALWAYS, LOG_ERR, "Too little base64 data in PEM file\n");
+               if(data) {
+                       errno = EINVAL;
+                       logger(DEBUG_ALWAYS, LOG_ERR, "Too little base64 data in PEM file\n");
+               } else {
+                       errno = ENOENT;
+               }
                return false;
        }
 

diff --git a/src/net_setup.c b/src/net_setup.c
index 7f51fe4..d1d5c04 100644 (file)
--- a/src/net_setup.c
+++ b/src/net_setup.c
@@ -137,10 +137,11 @@ bool read_ecdsa_public_key(connection_t *c) {
        }
 
        c->ecdsa = ecdsa_read_pem_public_key(fp);
-       fclose(fp);
 
-       if(!c->ecdsa)
+       if(!c->ecdsa && errno != ENOENT)
                logger(DEBUG_ALWAYS, LOG_ERR, "Parsing Ed25519 public key file `%s' failed.", fname);
+
+       fclose(fp);
        free(fname);
        return c->ecdsa;
 }