ecdh & ecdsa: avoid some possible memory leaks in error conditions.

[tinc] / src / openssl / ecdsa.c

diff --git a/src/openssl/ecdsa.c b/src/openssl/ecdsa.c
index a2c7deb..8b02501 100644 (file)
--- a/src/openssl/ecdsa.c
+++ b/src/openssl/ecdsa.c
@@ -30,7 +30,11 @@
 //
 bool ecdsa_set_base64_public_key(ecdsa_t *ecdsa, const char *p) {
        *ecdsa = EC_KEY_new_by_curve_name(NID_secp521r1);
-
+       if(!*ecdsa) {
+               logger(DEBUG_ALWAYS, LOG_DEBUG, "EC_KEY_new_by_curve_name failed: %s", ERR_error_string(ERR_get_error(), NULL));
+               return false;
+       }
+       
        int len = strlen(p);
        unsigned char pubkey[len / 4 * 3 + 3];
        const unsigned char *ppubkey = pubkey;