/************************************************************************** NETBOOT - BOOTP/TFTP Bootstrap Program Author: Martin Renters Date: Dec/93 **************************************************************************/ #define NETBOOT32 #include "../stage2/shared.h" #include "byteorder.h" #include "io.h" typedef unsigned long Address; extern int _pending_key; extern inline int getchar(void); extern inline int getchar(void) { int foo; if (_pending_key == -1) return getkey(); foo = _pending_key; _pending_key = -1; return foo; } extern inline int iskey(void); extern inline int iskey(void) { return _pending_key != -1 ? 1 : ((_pending_key = checkkey()) != -1); } #if 0 /*Edmund*/ #define bcmp __builtin_memcmp #define memcpy(d,s,sz) bcopy((s),(d),(sz)) #else #define bcopy(src, dest, n) memcpy(dest, src, n) #define bzero(s, n) memset(s, 0, n) #define bcmp(s1, s2, n) memcmp(s1, s2, n) #endif /* ANSI prototyping macro */ #ifdef __STDC__ #define P(x) x #else #define P(x) () #endif #define ESC 0x1B #ifndef DEFAULT_BOOTFILE #define DEFAULT_BOOTFILE "/kernel" #endif #ifndef MAX_TFTP_RETRIES #define MAX_TFTP_RETRIES 20 #endif #ifndef MAX_BOOTP_RETRIES #define MAX_BOOTP_RETRIES 20 #endif #ifndef MAX_BOOTP_EXTLEN #define MAX_BOOTP_EXTLEN 1024 #endif #ifndef MAX_ARP_RETRIES #define MAX_ARP_RETRIES 20 #endif #ifndef MAX_RPC_RETRIES #define MAX_RPC_RETRIES 20 #endif #ifndef TIMEOUT /* Inter-packet retry in ticks 18/sec */ #define TIMEOUT 180 #endif #ifndef NULL #define NULL ((void *)0) #endif #define TRUE 1 #define FALSE 0 #define ETHER_ADDR_SIZE 6 /* Size of Ethernet address */ #define ETHER_HDR_SIZE 14 /* Size of ethernet header */ #define ETH_MIN_PACKET 64 #define ETH_MAX_PACKET 1518 #define VENDOR_NONE 0 #define VENDOR_WD 1 #define VENDOR_NOVELL 2 #define VENDOR_3COM 3 #define VENDOR_3C509 4 #define VENDOR_CS89x0 5 #define FLAG_PIO 0x01 #define FLAG_16BIT 0x02 #define FLAG_790 0x04 #define ARP_CLIENT 0 #define ARP_SERVER 1 #define ARP_GATEWAY 2 #define ARP_ROOTSERVER 3 #define ARP_SWAPSERVER 4 #define MAX_ARP ARP_SWAPSERVER+1 #define IP 0x0800 #define ARP 0x0806 #define BOOTP_SERVER 67 #define BOOTP_CLIENT 68 #define TFTP 69 #define SUNRPC 111 #define RPC_SOCKET 620 /* Arbitrary */ #define IP_UDP 17 #define IP_BROADCAST 0xFFFFFFFF #define ARP_REQUEST 1 #define ARP_REPLY 2 #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 #define RFC1533_VENDOR_MAJOR 0 #define RFC1533_VENDOR_MINOR 0 #define RFC1533_VENDOR_MAGIC 128 #define RFC1533_VENDOR_ADDPARM 129 #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 TFTP_DEFAULTSIZE_PACKET 512 #define TFTP_MAX_PACKET 1432 /* 512 */ #define TFTP_RRQ 1 #define TFTP_WRQ 2 #define TFTP_DATA 3 #define TFTP_ACK 4 #define TFTP_ERROR 5 #define TFTP_OACK 6 #define TFTP_CODE_EOF 1 #define TFTP_CODE_MORE 2 #define TFTP_CODE_ERROR 3 #define TFTP_CODE_BOOT 4 #define TFTP_CODE_CFG 5 #define PROG_PORTMAP 100000 #define PROG_NFS 100003 #define PROG_MOUNT 100005 #define MSG_CALL 0 #define MSG_REPLY 1 #define PORTMAP_LOOKUP 3 #define MOUNT_ADDENTRY 1 #define MOUNT_UMNTALL 4 #define NFS_LOOKUP 4 #define NFS_READ 6 #define NFS_READ_SIZE 1024 #define AWAIT_ARP 0 #define AWAIT_BOOTP 1 #define AWAIT_TFTP 2 #define AWAIT_RPC 3 struct arptable_t { unsigned long ipaddr; unsigned char node[6]; }; struct arprequest { unsigned short hwtype; unsigned short protocol; char hwlen; char protolen; unsigned short opcode; char shwaddr[6]; char sipaddr[4]; char thwaddr[6]; char tipaddr[4]; }; struct iphdr { char verhdrlen; char service; unsigned short len; unsigned short ident; unsigned short frags; char ttl; char protocol; unsigned short chksum; char src[4]; char dest[4]; }; struct udphdr { unsigned short src; unsigned short dest; unsigned short len; unsigned short chksum; }; struct bootp_t { struct iphdr ip; struct udphdr udp; char bp_op; char bp_htype; char bp_hlen; char bp_hops; unsigned long bp_xid; unsigned short bp_secs; unsigned short unused; char bp_ciaddr[4]; char bp_yiaddr[4]; char bp_siaddr[4]; char bp_giaddr[4]; char bp_hwaddr[16]; char bp_sname[64]; char bp_file[128]; char bp_vend[BOOTP_VENDOR_LEN]; }; struct bootpd_t { struct bootp_t bootp_reply; unsigned char bootp_extension[MAX_BOOTP_EXTLEN]; }; struct tftp_t { struct iphdr ip; struct udphdr udp; unsigned short opcode; union { char rrq[TFTP_DEFAULTSIZE_PACKET]; struct { unsigned short block; char download[TFTP_MAX_PACKET]; } data; struct { unsigned short block; } ack; struct { unsigned short errcode; char errmsg[TFTP_DEFAULTSIZE_PACKET]; } err; struct { char data[TFTP_DEFAULTSIZE_PACKET+2]; } oack; } u; }; struct rpc_t { struct iphdr ip; struct udphdr udp; union { char data[1400]; struct { long id; long type; long rstatus; long verifier; long v2; long astatus; long data[1]; } reply; } u; }; #define TFTP_MIN_PACKET (sizeof(struct iphdr) + sizeof(struct udphdr) + 4) /*************************************************************************** RPC Functions ***************************************************************************/ #define PUTLONG(val) {\ register int lval = val; \ *(rpcptr++) = ((lval) >> 24); \ *(rpcptr++) = ((lval) >> 16); \ *(rpcptr++) = ((lval) >> 8); \ *(rpcptr++) = (lval); \ rpclen+=4; } #if 0 /* XXX */ /*************************************************************************** External prototypes ***************************************************************************/ /* main.c */ extern void load P((void)); extern int load_linux P((int root_mount_port,int swap_mount_port, int root_nfs_port,char *kernel_handle)); extern int linux_tftp P((unsigned int block,unsigned char *data,int len)); extern int tftpkernel P((unsigned char *, int, int, int)); extern int tftp P((char *name, int (*)(unsigned char *, int, int, int))); extern int bootp P((void)); extern int udp_transmit P((unsigned long destip, unsigned int srcsock, unsigned int destsock, int len, char *buf)); extern int await_reply P((int type, int ival, char *ptr)); extern void default_netmask P((void)); extern int decode_rfc1533 P((unsigned char *, int, int, int)); extern unsigned short ipchksum P((unsigned short *, int len)); extern void convert_ipaddr P((char *, char *)); extern void rfc951_sleep P((int)); /* bootmenu.c */ extern int execute P((char *string)); extern void bootmenu P((void)); extern void show_motd P((void)); extern void parse_menuopts P((char *,int)); extern int getoptvalue P((char **, int *, int *)); extern void selectImage P((char **, char *, struct arptable_t *)); /* linuxloader.c */ extern char *linux_add_cmdline P((char *string)); /* rpc.c */ extern int rpclookup P((int addr, int prog, int ver)); extern int nfs_mount P((int server, int port, char *path, char *fh)); extern int nfs_umountall P((int server, int port)); extern int nfs_lookup P((int server, int port, char *fh, char *path, char *file_fh)); extern int nfs_read P((int server, int port, char *fh, int offset, int len, char *buffer)); extern void rpc_err P((struct rpc_t *rpc)); extern void nfs_err P((int err)); /* misc.c */ #if 0 /*Edmund*/ extern void bcopy P((void *src, void *dst, int cnt)); extern void bzero P((void *dst, int cnt)); extern int bcmp P((void *src, void *dst, int cnt)); #endif extern int strcasecmp P((char *a, char *b)); extern char *substr P((char *a, char *b)); extern int getdec P((char **)); extern void twiddle P((void)); extern void printf(); /* old style to avoid varargs */ extern char *sprintf(); extern int setip P((char *p, unsigned long *i)); extern void gateA20 P((void)); /* start*.S */ extern int getchar P((void)); extern void putchar P((int)); extern int iskey P((void)); extern int getshift P((void)); extern unsigned short memsize P((void)); extern void disk_init P((void)); extern short disk_read P((int drv,int c,int h,int s,char *buf)); extern void start_linux P((void)); extern void xstart P((unsigned long, unsigned long, unsigned long)); extern long currticks P((void)); extern int setjmp P((void *jmpbuf)); extern void longjmp P((void *jmpbuf, int where)); extern void exit P((int status)); /* ansiesc.c */ extern void ansi_reset P((void)); extern void enable_cursor P((int)); /* md5.c */ extern void md5_put P((unsigned int ch)); extern void md5_done P((unsigned char *buf)); /* floppy.c */ extern int bootdisk P((int dev,int part)); #endif /*************************************************************************** External variables ***************************************************************************/ /* main.c */ extern char *kernel; extern char kernel_buf[]; extern struct nfs_diskless nfsdiskless; extern int hostnamelen; extern unsigned long netmask; extern int jmp_bootmenu[10]; extern char kernel_buf[128]; extern struct bootpd_t bootp_data; extern struct arptable_t arptable[MAX_ARP]; extern char *imagelist[RFC1533_VENDOR_NUMOFIMG]; extern char *motd[RFC1533_VENDOR_NUMOFMOTD]; extern int menutmo,menudefault; extern unsigned char *end_of_rfc1533; /* bootmenu.c */ /* linuxloader.c */ /* rpc.c */ extern int rpc_id; /* created by linker */ extern char _edata[], _end[]; /* * Local variables: * c-basic-offset: 8 * End: */