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authorDamien Miller <djm@cvs.openbsd.org>2020-05-13 09:55:58 +0000
committerDamien Miller <djm@cvs.openbsd.org>2020-05-13 09:55:58 +0000
commitfe6e13b4cd9f136c11d1e3bcb6d2a841b872b8c3 (patch)
tree1b8b0cfca65211a847fb89b02d148d2b68d9acc7 /usr.bin
parentc5cdba5d1fcf26c9b44d455dce72885447cc0a03 (diff)
preserve group/world read permission on known_hosts file across runs of
"ssh-keygen -Rf /path". The old behaviour was to remove all rights for group/other. bz#3146 ok dtucker@
Diffstat (limited to 'usr.bin')
-rw-r--r--usr.bin/ssh/ssh-keygen.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/usr.bin/ssh/ssh-keygen.c b/usr.bin/ssh/ssh-keygen.c
index 02cdd276fc9..53e32bab905 100644
--- a/usr.bin/ssh/ssh-keygen.c
+++ b/usr.bin/ssh/ssh-keygen.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssh-keygen.c,v 1.409 2020/05/02 07:19:43 djm Exp $ */
+/* $OpenBSD: ssh-keygen.c,v 1.410 2020/05/13 09:55:57 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1994 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1270,6 +1270,7 @@ do_known_hosts(struct passwd *pw, const char *name, int find_host,
int r, fd, oerrno, inplace = 0;
struct known_hosts_ctx ctx;
u_int foreach_options;
+ struct stat sb;
if (!have_identity) {
cp = tilde_expand_filename(_PATH_SSH_USER_HOSTFILE, pw->pw_uid);
@@ -1279,6 +1280,8 @@ do_known_hosts(struct passwd *pw, const char *name, int find_host,
free(cp);
have_identity = 1;
}
+ if (stat(identity_file, &sb) != 0)
+ fatal("Cannot stat %s: %s", identity_file, strerror(errno));
memset(&ctx, 0, sizeof(ctx));
ctx.out = stdout;
@@ -1305,6 +1308,7 @@ do_known_hosts(struct passwd *pw, const char *name, int find_host,
unlink(tmp);
fatal("fdopen: %s", strerror(oerrno));
}
+ fchmod(fd, sb.st_mode & 0644);
inplace = 1;
}
/* XXX support identity_file == "-" for stdin */