qemu/slirp/bootp.h
aliguori b63c7f6b77 slirp: Handle DHCP requests for specific IP (Jan Kiszka)
This adds proper handling of the ciaddr field as well as the "Requested
IP Address" option to slirp's DHCP server. If the client requests an
invalid or used IP, a NAK reply is sent, if it requests a specific but
valid IP, this is now respected.

NAK'ing invalid IPs is specifically useful when changing the slirp IP
range via '-net user,ip=...' while the client saved its previously used
address and tries to reacquire it. Now this will be NAK'ed and the
client will start a new discovery round.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7198 c046a42c-6fe2-441c-8c8c-71466251a162
2009-04-21 19:56:20 +00:00

116 lines
2.9 KiB
C

/* bootp/dhcp defines */
#define BOOTP_SERVER 67
#define BOOTP_CLIENT 68
#define BOOTP_REQUEST 1
#define BOOTP_REPLY 2
#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
#define RFC2132_REQ_ADDR 50
#define RFC2132_LEASE_TIME 51
#define RFC2132_MSG_TYPE 53
#define RFC2132_SRV_ID 54
#define RFC2132_PARAM_LIST 55
#define RFC2132_MESSAGE 56
#define RFC2132_MAX_SIZE 57
#define RFC2132_RENEWAL_TIME 58
#define RFC2132_REBIND_TIME 59
#define DHCPDISCOVER 1
#define DHCPOFFER 2
#define DHCPREQUEST 3
#define DHCPACK 5
#define DHCPNAK 6
#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
#define RFC1533_VENDOR_HOWTO 132
#define RFC1533_VENDOR_MNUOPTS 160
#define RFC1533_VENDOR_SELECTION 176
#define RFC1533_VENDOR_MOTD 184
#define RFC1533_VENDOR_NUMOFMOTD 8
#define RFC1533_VENDOR_IMG 192
#define RFC1533_VENDOR_NUMOFIMG 16
#define RFC1533_END 255
#define BOOTP_VENDOR_LEN 64
#define DHCP_OPT_LEN 312
struct bootp_t {
struct ip ip;
struct udphdr udp;
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;
struct in_addr bp_ciaddr;
struct in_addr bp_yiaddr;
struct in_addr bp_siaddr;
struct in_addr bp_giaddr;
uint8_t bp_hwaddr[16];
uint8_t bp_sname[64];
uint8_t bp_file[128];
uint8_t bp_vend[DHCP_OPT_LEN];
};
void bootp_input(struct mbuf *m);