terminate b64 encoded lines. decoding happily skips \n.

okay tedu@

diff --git a/usr.bin/signify/signify.c b/usr.bin/signify/signify.c
index dc74b5e..bd46cc2 100644 (file)
--- a/usr.bin/signify/signify.c
+++ b/usr.bin/signify/signify.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: signify.c,v 1.7 2014/01/02 16:34:02 espie Exp $ */
+/* $OpenBSD: signify.c,v 1.8 2014/01/03 15:42:22 espie Exp $ */
 /*
  * Copyright (c) 2013 Ted Unangst <tedu@openbsd.org>
  *
@@ -170,8 +170,9 @@ writeb64file(const char *filename, const char *comment, const void *buf,
        fd = xopen(filename, O_CREAT|O_EXCL|O_NOFOLLOW|O_RDWR, mode);
        snprintf(header, sizeof(header), "signify -- %s\n", comment);
        writeall(fd, header, strlen(header), filename);
-       if ((rv = b64_ntop(buf, len, b64, sizeof(b64))) == -1)
+       if ((rv = b64_ntop(buf, len, b64, sizeof(b64)-1)) == -1)
                errx(1, "b64 encode failed");
+       b64[rv++] = '\n';
        writeall(fd, b64, rv, filename);
        memset(b64, 0, sizeof(b64));
        close(fd);