+++ ./src/gensignkey.c @@ -157,6 +157,16 @@ goto out; } +#ifdef __ANDROID__ + /* Hard links are not possible and renam. */ + if (skip_exist && access(filename, F_OK) == 0) { + /* Ok. */ + } else if (rename(fn_temp, filename) < 0) { + dropbear_log(LOG_ERR, "Failed moving key file to %s: %s", filename, + strerror(errno)); + ret = DROPBEAR_FAILURE; + } +#else if (link(fn_temp, filename) < 0) { /* If generating keys on connection (skipexist) it's OK to get EEXIST - we probably just lost a race with another connection to generate the key */ @@ -174,6 +184,7 @@ goto out; } } +#endif /* ensure directory update is flushed to disk, otherwise we can end up with zero-byte hostkey files if the power goes off */