- djm@cvs.openbsd.org 2010/01/13 03:48:13
[servconf.c servconf.h sshd.c]
avoid run-time failures when specifying hostkeys via a relative
path by prepending the cwd in these cases; bz#1290; ok dtucker@
diff --git a/servconf.c b/servconf.c
index b1964e8..09296c9 100644
--- a/servconf.c
+++ b/servconf.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: servconf.c,v 1.201 2010/01/10 03:51:17 dtucker Exp $ */
+/* $OpenBSD: servconf.c,v 1.202 2010/01/13 03:48:12 djm Exp $ */
/*
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
* All rights reserved
@@ -459,6 +459,22 @@
return sBadOption;
}
+char *
+derelativise_path(const char *path)
+{
+ char *expanded, *ret, *cwd;
+
+ expanded = tilde_expand_filename(path, getuid());
+ if (*expanded == '/')
+ return expanded;
+ if ((cwd = getcwd(NULL, 0)) == NULL)
+ fatal("%s: getcwd: %s", __func__, strerror(errno));
+ xasprintf(&ret, "%s/%s", cwd, expanded);
+ xfree(cwd);
+ xfree(expanded);
+ return ret;
+}
+
static void
add_listen_addr(ServerOptions *options, char *addr, int port)
{
@@ -793,7 +809,7 @@
fatal("%s line %d: missing file name.",
filename, linenum);
if (*activep && *charptr == NULL) {
- *charptr = tilde_expand_filename(arg, getuid());
+ *charptr = derelativise_path(arg);
/* increase optional counter */
if (intptr != NULL)
*intptr = *intptr + 1;