From 76478b8091d4c3472fb0c7e572c350d150ecd459 Mon Sep 17 00:00:00 2001 From: Denis Vlasenko Date: Tue, 21 Apr 2009 00:41:57 +0000 Subject: [PATCH] udhcpc: fix truncation of last char in client hostnames --- networking/udhcp/leases.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/networking/udhcp/leases.c b/networking/udhcp/leases.c index 6e1398d2f..e17fb9e3f 100644 --- a/networking/udhcp/leases.c +++ b/networking/udhcp/leases.c @@ -63,7 +63,8 @@ struct dhcpOfferedAddr* FAST_FUNC add_lease( if (oldest) { oldest->hostname[0] = '\0'; if (hostname) { - hostname_length = hostname[-1]; /* look at option size byte */ + /* option size byte, + 1 for NUL */ + hostname_length = hostname[-1] + 1; if (hostname_length > sizeof(oldest->hostname)) hostname_length = sizeof(oldest->hostname); hostname = (uint8_t*) safe_strncpy((char*)oldest->hostname, (char*)hostname, hostname_length); -- 2.25.1