Initial revision

1 files changed, 230 insertions, 0 deletions

diff --git a/src/include/bootp.h b/src/include/bootp.h
new file mode 100644
index 0000000..0e65477
--- /dev/null
+++ b/src/include/bootp.h
@@ -0,0 +1,230 @@
+#ifndef	_BOOTP_H
+#define	_BOOTP_H
+
+#ifdef	ALTERNATE_DHCP_PORTS_1067_1068
+#undef	NON_STANDARD_BOOTP_SERVER
+#define	NON_STANDARD_BOOTP_SERVER	1067
+#undef	NON_STANDARD_BOOTP_CLIENT
+#define	NON_STANDARD_BOOTP_CLIENT	1068
+#endif
+
+#ifdef	NON_STANDARD_BOOTP_SERVER
+#define	BOOTP_SERVER	NON_STANDARD_BOOTP_SERVER
+#else
+#define BOOTP_SERVER	67
+#endif
+#ifdef	NON_STANDARD_BOOTP_CLIENT
+#define	BOOTP_CLIENT	NON_STANDARD_BOOTP_CLIENT
+#else
+#define BOOTP_CLIENT	68
+#endif
+#define PROXYDHCP_SERVER	4011 /* For PXE */
+
+#define BOOTP_REQUEST	1
+#define BOOTP_REPLY	2
+
+#define TAG_LEN(p)		(*((p)+1))
+#define RFC1533_COOKIE		99, 130, 83, 99
+#define RFC1533_PAD		0
+#define RFC1533_NETMASK		1
+#define RFC1533_TIMEOFFSET	2
+#define RFC1533_GATEWAY		3
+#define RFC1533_TIMESERVER	4
+#define RFC1533_IEN116NS	5
+#define RFC1533_DNS		6
+#define RFC1533_LOGSERVER	7
+#define RFC1533_COOKIESERVER	8
+#define RFC1533_LPRSERVER	9
+#define RFC1533_IMPRESSSERVER	10
+#define RFC1533_RESOURCESERVER	11
+#define RFC1533_HOSTNAME	12
+#define RFC1533_BOOTFILESIZE	13
+#define RFC1533_MERITDUMPFILE	14
+#define RFC1533_DOMAINNAME	15
+#define RFC1533_SWAPSERVER	16
+#define RFC1533_ROOTPATH	17
+#define RFC1533_EXTENSIONPATH	18
+#define RFC1533_IPFORWARDING	19
+#define RFC1533_IPSOURCEROUTING	20
+#define RFC1533_IPPOLICYFILTER	21
+#define RFC1533_IPMAXREASSEMBLY	22
+#define RFC1533_IPTTL		23
+#define RFC1533_IPMTU		24
+#define RFC1533_IPMTUPLATEAU	25
+#define RFC1533_INTMTU		26
+#define RFC1533_INTLOCALSUBNETS	27
+#define RFC1533_INTBROADCAST	28
+#define RFC1533_INTICMPDISCOVER	29
+#define RFC1533_INTICMPRESPOND	30
+#define RFC1533_INTROUTEDISCOVER 31
+#define RFC1533_INTROUTESOLICIT	32
+#define RFC1533_INTSTATICROUTES	33
+#define RFC1533_LLTRAILERENCAP	34
+#define RFC1533_LLARPCACHETMO	35
+#define RFC1533_LLETHERNETENCAP	36
+#define RFC1533_TCPTTL		37
+#define RFC1533_TCPKEEPALIVETMO	38
+#define RFC1533_TCPKEEPALIVEGB	39
+#define RFC1533_NISDOMAIN	40
+#define RFC1533_NISSERVER	41
+#define RFC1533_NTPSERVER	42
+#define RFC1533_VENDOR		43
+#define RFC1533_NBNS		44
+#define RFC1533_NBDD		45
+#define RFC1533_NBNT		46
+#define RFC1533_NBSCOPE		47
+#define RFC1533_XFS		48
+#define RFC1533_XDM		49
+#ifndef	NO_DHCP_SUPPORT
+#define RFC2132_REQ_ADDR	50
+#define RFC2132_MSG_TYPE	53
+#define RFC2132_SRV_ID		54
+#define RFC2132_PARAM_LIST	55
+#define RFC2132_MAX_SIZE	57
+#define	RFC2132_VENDOR_CLASS_ID	60
+#define RFC2132_CLIENT_ID       61
+#define	RFC2132_TFTP_SERVER_NAME 66
+#define	RFC2132_BOOTFILE_NAME	67
+#define RFC3004_USER_CLASS      77
+
+#ifdef PXE_DHCP_STRICT
+/*
+ * The following options are acknowledged in RFC3679 because they are
+ * widely used by PXE implementations, but have never been properly
+ * allocated. Despite other PXE options being correctly packed in a
+ * vendor encapsulated field, these are exposed. Sigh.  Note that the
+ * client UUID (option 97) is also noted in the PXE spec as using
+ * option 61.
+ */
+#define RFC3679_PXE_CLIENT_ARCH 93
+#define RFC3679_PXE_CLIENT_NDI  94
+#define RFC3679_PXE_CLIENT_UUID 97
+
+/* The lengths are fixed. */
+#define RFC3679_PXE_CLIENT_ARCH_LENGTH 2
+#define RFC3679_PXE_CLIENT_NDI_LENGTH 3
+#define RFC3679_PXE_CLIENT_UUID_LENGTH 17
+
+/*
+ * Values of RFC3679_PXE_CLIENT_ARCH can apparently be one of the
+ * following, according to the PXE spec. The spec only actually
+ * described the 2nd octet, not the first. Duh... assume 0.
+ */
+#define RFC3679_PXE_CLIENT_ARCH_IAX86PC   0,0
+#define RFC3679_PXE_CLIENT_ARCH_NECPC98   0,1
+#define RFC3679_PXE_CLIENT_ARCH_IA64PC    0,2
+#define RFC3679_PXE_CLIENT_ARCH_DECALPHA  0,3
+#define RFC3679_PXE_CLIENT_ARCH_ARCX86    0,4
+#define RFC3679_PXE_CLIENT_ARCH_INTELLEAN 0,5
+
+/* 
+ * Only one valid value of NDI type (must be 1) and UNDI version (must
+ * be 2.1)
+ */
+#define RFC3679_PXE_CLIENT_NDI_21 1,2,1
+
+/*
+ * UUID - type must be 1 and then 16 octets of UID, as with the client ID.
+ * The value is a default for testing only
+ */
+#define RFC3679_PXE_CLIENT_UUID_TYPE 0
+#warning "UUID is a default for testing ONLY!"
+#define RFC3679_PXE_CLIENT_UUID_DEFAULT \
+        RFC3679_PXE_CLIENT_UUID_TYPE, \
+        0xDE,0xAD,0xBE,0xEF, \
+        0xDE,0xAD,0xBE,0xEF, \
+        0xDE,0xAD,0xBE,0xEF, \
+        0xDE,0xAD,0xBE,0xEF
+/*
+ * The Vendor Class ID. Note that the Arch and UNDI version numbers
+ * are fixed and must be same as the ARCH and NDI above.
+ */
+#define RFC2132_VENDOR_CLASS_ID_PXE_LENGTH 32
+#define RFC2132_VENDOR_CLASS_ID_PXE \
+        'P','X','E','C','l','i','e','n','t',':', \
+        'A','r','c','h',':','0','0','0','0','0',':', \
+        'U','N','D','I',':','0','0','2','0','0','1'
+
+/*
+ * The following vendor options are required in the PXE spec to pull
+ * options for the *next* image. The PXE spec doesn't help us with
+ * this (like explaining why).
+ */
+#define RFC1533_VENDOR_PXE_OPT128 128
+#define RFC1533_VENDOR_PXE_OPT129 129
+#define RFC1533_VENDOR_PXE_OPT130 130
+#define RFC1533_VENDOR_PXE_OPT131 131
+#define RFC1533_VENDOR_PXE_OPT132 132
+#define RFC1533_VENDOR_PXE_OPT133 133
+#define RFC1533_VENDOR_PXE_OPT134 134
+#define RFC1533_VENDOR_PXE_OPT135 135
+
+#endif /* PXE_DHCP_STRICT */
+
+#define DHCPDISCOVER		1
+#define DHCPOFFER		2
+#define DHCPREQUEST		3
+#define DHCPACK			5
+#endif	/* NO_DHCP_SUPPORT */
+
+#define RFC1533_VENDOR_MAJOR	0
+#define RFC1533_VENDOR_MINOR	0
+
+#define RFC1533_VENDOR_MAGIC	128
+#define RFC1533_VENDOR_ADDPARM	129
+#define	RFC1533_VENDOR_ETHDEV	130
+/* We should really apply for an official Etherboot encap option */
+#define RFC1533_VENDOR_ETHERBOOT_ENCAP 150
+/* I'll leave it to FREEBSD to decide if they want to renumber */
+#ifdef	IMAGE_FREEBSD
+#define RFC1533_VENDOR_HOWTO    132
+#define RFC1533_VENDOR_KERNEL_ENV    133
+#endif
+#define RFC1533_VENDOR_NIC_DEV_ID 175
+#define RFC1533_VENDOR_ARCH     177
+
+#define RFC1533_END		255
+
+#define BOOTP_VENDOR_LEN	64
+#ifndef	NO_DHCP_SUPPORT
+#define DHCP_OPT_LEN		312
+#endif	/* NO_DHCP_SUPPORT */
+
+/* Format of a bootp packet */
+struct bootp_t {
+	uint8_t  bp_op;
+	uint8_t  bp_htype;
+	uint8_t  bp_hlen;
+	uint8_t  bp_hops;
+	uint32_t bp_xid;
+	uint16_t bp_secs;
+	uint16_t unused;
+	in_addr bp_ciaddr;
+	in_addr bp_yiaddr;
+	in_addr bp_siaddr;
+	in_addr bp_giaddr;
+	uint8_t  bp_hwaddr[16];
+	uint8_t  bp_sname[64];
+	char     bp_file[128];
+#ifdef	NO_DHCP_SUPPORT
+	uint8_t  bp_vend[BOOTP_VENDOR_LEN];
+#else
+	uint8_t  bp_vend[DHCP_OPT_LEN];
+#endif	/* NO_DHCP_SUPPORT */
+};
+
+/* Format of a bootp IP packet */
+struct bootpip_t
+{
+	struct iphdr ip;
+	struct udphdr udp;
+	struct bootp_t bp;
+};
+
+/* Format of bootp packet with extensions */
+struct bootpd_t {
+	struct bootp_t bootp_reply;
+	uint8_t bootp_extension[MAX_BOOTP_EXTLEN];
+};
+
+#endif	/* _BOOTP_H */