udhcpc: make hostname sanitization optional. Closes 3979
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/networking/udhcp/dhcpc.c b/networking/udhcp/dhcpc.c
index 7dfc160..e468b7b 100644
--- a/networking/udhcp/dhcpc.c
+++ b/networking/udhcp/dhcpc.c
@@ -136,6 +136,7 @@
return i;
}
+#if ENABLE_FEATURE_UDHCPC_SANITIZEOPT
/* Check if a given label represents a valid DNS label
* Return pointer to the first character after the label upon success,
* NULL otherwise.
@@ -192,6 +193,9 @@
name++;
}
}
+#else
+# define good_hostname(name) 1
+#endif
/* Create "opt_name=opt_value" string */
static NOINLINE char *xmalloc_optname_optval(uint8_t *option, const struct dhcp_optflag *optflag, const char *opt_name)