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| author | djm@openbsd.org <djm@openbsd.org> | 2024-10-24 05:14:37 +0200 |
|---|---|---|
| committer | Damien Miller <djm@mindrot.org> | 2024-10-24 05:28:40 +0200 |
| commit | 94cdfebec852a2429c008cc2a55f8e4183f36972 (patch) | |
| tree | 6b439746e54c294b0da3effc84e0e1533045f369 /misc.c | |
| parent | upstream: Remove sshd logfile in start_sshd (diff) | |
| download | openssh-94cdfebec852a2429c008cc2a55f8e4183f36972.tar.xz openssh-94cdfebec852a2429c008cc2a55f8e4183f36972.zip | |
upstream: relax valid_domain() checks to allow an underscore as the
first character. ok deraadt@
OpenBSD-Commit-ID: 3f8be6d32496e5596dd8b14e19cb067ddd7969ef
Diffstat (limited to 'misc.c')
| -rw-r--r-- | misc.c | 5 |
1 files changed, 3 insertions, 2 deletions
@@ -1,4 +1,4 @@ -/* $OpenBSD: misc.c,v 1.197 2024/09/25 01:24:04 djm Exp $ */ +/* $OpenBSD: misc.c,v 1.198 2024/10/24 03:14:37 djm Exp $ */ /* * Copyright (c) 2000 Markus Friedl. All rights reserved. * Copyright (c) 2005-2020 Damien Miller. All rights reserved. @@ -2406,7 +2406,8 @@ valid_domain(char *name, int makelower, const char **errstr) strlcpy(errbuf, "empty domain name", sizeof(errbuf)); goto bad; } - if (!isalpha((u_char)name[0]) && !isdigit((u_char)name[0])) { + if (!isalpha((u_char)name[0]) && !isdigit((u_char)name[0]) && + name[0] != '_' /* technically invalid, but common */) { snprintf(errbuf, sizeof(errbuf), "domain name \"%.100s\" " "starts with invalid character", name); goto bad; |