diff options
author | djm@openbsd.org <djm@openbsd.org> | 2019-07-18 13:26:00 +0000 |
---|---|---|
committer | Damien Miller <djm@mindrot.org> | 2019-07-18 23:27:09 +1000 |
commit | ed46a0c0705895834d3f47a46faa89c2a71b760a (patch) | |
tree | b0dfbb1e56a6e15db77321222112e12774b8f0ba /sshbuf-misc.c | |
parent | a192021fedead23c375077f92346336d531f8cad (diff) | |
download | openssh-git-ed46a0c0705895834d3f47a46faa89c2a71b760a.tar.gz |
upstream: fix off-by-one in sshbuf_dtob64() base64 wrapping that could
cause extra newlines to be appended at the end of the base64 text (ugly, but
harmless). Found and fixed by Sebastian Kinne
OpenBSD-Commit-ID: 9fe290bd68f706ed8f986a7704ca5a2bd32d7b68
Diffstat (limited to 'sshbuf-misc.c')
-rw-r--r-- | sshbuf-misc.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sshbuf-misc.c b/sshbuf-misc.c index 4a4985fd..417ab593 100644 --- a/sshbuf-misc.c +++ b/sshbuf-misc.c @@ -1,4 +1,4 @@ -/* $OpenBSD: sshbuf-misc.c,v 1.9 2019/07/16 13:18:39 djm Exp $ */ +/* $OpenBSD: sshbuf-misc.c,v 1.10 2019/07/18 13:26:00 djm Exp $ */ /* * Copyright (c) 2011 Damien Miller * @@ -114,7 +114,7 @@ sshbuf_dtob64(const struct sshbuf *d, struct sshbuf *b64, int wrap) if (i % 70 == 69 && (r = sshbuf_put_u8(b64, '\n')) != 0) goto fail; } - if (i % 70 != 69 && (r = sshbuf_put_u8(b64, '\n')) != 0) + if ((i - 1) % 70 != 69 && (r = sshbuf_put_u8(b64, '\n')) != 0) goto fail; } else { if ((r = sshbuf_put(b64, s, strlen(s))) != 0) |