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

[tinc] / src / ed25519 / ecdsa.c

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;
        }