From: Samuel Mendoza-Jonas <sam@mendozajonas.com>
Date: Mon, 14 May 2018 04:29:13 +0000 (+1000)
Subject: udhcpc6: add PXELINUX options
X-Git-Tag: 1_29_0~44
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=30f4d52ed17112f4fa340afe3bcaf305eeed36d9;p=oweals%2Fbusybox.git

udhcpc6: add PXELINUX options

Add support for the PXELINUX options 209 ("ConfigFile") and 210
("PathPrefix") in the DHCPv6 client.

See also: RFC5071, "Dynamic Host Configuration Protocol Options Used by
PXELINUX".

Signed-off-by: Samuel Mendoza-Jonas <sam@mendozajonas.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
---

diff --git a/networking/udhcp/d6_dhcpc.c b/networking/udhcp/d6_dhcpc.c
index f837bd549..85068721a 100644
--- a/networking/udhcp/d6_dhcpc.c
+++ b/networking/udhcp/d6_dhcpc.c
@@ -83,6 +83,8 @@ static const struct dhcp_optflag d6_optflags[] = {
 	{ OPTION_STRING,                                D6_OPT_BOOT_URL },
 	{ OPTION_STRING,                                D6_OPT_BOOT_PARAM },
 #endif
+	{ OPTION_STRING,                                0xd1 }, /* DHCP_PXE_CONF_FILE */
+	{ OPTION_STRING,                                0xd2 }, /* DHCP_PXE_PATH_PREFIX */
 	{ 0, 0 }
 };
 /* Must match d6_optflags[] order */
@@ -102,7 +104,8 @@ static const char d6_option_strings[] ALIGN1 =
 	"bootfile_url" "\0" /* D6_OPT_BOOT_URL */
 	"bootfile_param" "\0" /* D6_OPT_BOOT_PARAM */
 #endif
-
+	"pxeconffile" "\0" /* DHCP_PXE_CONF_FILE  */
+	"pxepathprefix" "\0" /* DHCP_PXE_PATH_PREFIX  */
 	"\0";
 
 #if ENABLE_LONG_OPTS
@@ -401,6 +404,8 @@ static void option_to_env(uint8_t *option, uint8_t *option_end)
 #endif
 		case D6_OPT_BOOT_URL:
 		case D6_OPT_BOOT_PARAM:
+		case 0xd1: /* DHCP_PXE_CONF_FILE */
+		case 0xd2: /* DHCP_PXE_PATH_PREFIX */
 			{
 			char *tmp = string_option_to_env(option, option_end);
 			if (tmp)