From: Roy Marples <roy@marples.name>
Date: Sat, 10 Oct 2020 14:07:38 +0000 (+0100)
Subject: privsep: Fix stderr redirection again
X-Git-Tag: v9.3.1~4
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ef6ee8b83f7eb8ef99713dcd6b3108d6ff61a74a;p=thirdparty%2Fdhcpcd.git

privsep: Fix stderr redirection again
---

diff --git a/src/privsep.c b/src/privsep.c
index aa87cd0c..0175c587 100644
--- a/src/privsep.c
+++ b/src/privsep.c
@@ -166,7 +166,9 @@ ps_dropprivs(struct dhcpcd_ctx *ctx)
 	/* Prohibit writing to files.
 	 * Obviously this won't work if we are using a logfile
 	 * or redirecting stderr to a file. */
-	if (ctx->logfile == NULL) {
+	if (ctx->logfile == NULL &&
+	    (ctx->options & DHCPCD_STARTED || isatty(STDERR_FILENO) == 1))
+	{
 		if (setrlimit(RLIMIT_FSIZE, &rzero) == -1)
 			logerr("setrlimit RLIMIT_FSIZE");
 	}