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256 lines
9.3 KiB
C
256 lines
9.3 KiB
C
/*
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File: ATBootEqu.h
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Contains: C equates for the atboot driver and protocol in general
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Written by: Patrick Dyson
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Copyright: © 1989-1990 by Apple Computer, Inc., all rights reserved.
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Change History (most recent first):
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<5> 3/9/90 PWD Added support for no guest boot, changed wildcard match string,
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grew driver globals to include number of failed attempts and the
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last big error.
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<4> 2/20/90 PWD fixed equates for boot blocks, allow arbitrary sized user record
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replies that pass through to the downloaded code.
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<3> 1/25/90 PWD fixed equates for boot blocks.
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<1.1> 12/12/89 PWD Added support for self-authenticating images
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<1.0> 10/30/89 PWD Adding to EASE
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To Do:
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*/
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/*EASE$$$ READ ONLY COPY of file ÒATBootEqu.hÓ
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** 1.1 PWD 12/12/1989 Added support for self-authenticating images
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** 1.0 PWD 10/30/1989 Adding to EASE
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** END EASE MODIFICATION HISTORY */
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#include <BootDefines.h>
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#define BOOTDDPTYPE 10
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#define BOOTSOCKET 10
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#define userNameLength 34 /* bytes in a user name */
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/* round-trip smoothing */
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#define SMOOTHING_FACTOR 4
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/* image reception errors */
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#define IMAGE_TOO_BIG -2 /* not enough memory to receive image */
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#define NOT_FOUND -3 /* a valid server didn't respond in the timeout */
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#define TIMED_OUT -4 /* image didn't make it in time */
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#define SIGNATURE_BAD -5 /* image signature didn't match pram */
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#define DS_ERROR -6 /* internal error (nil pointer somewhere) */
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/* signature sizes */
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#define HASH_SIZE 16 /* output of hash routine in bytes */
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#define STORED_SIZE 8 /* our stored hash value */
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#define STORED_WILDCARD 'PWD ' /* matches anything... */
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#define GUEST_BOOTING 0x40 // no guest boot if 0
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#define CHECK_USER_RECORD 0x20 // XOR in hash of user record if 1
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/* buffer sizes and maximum number of servers */
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#define INVALID_ADDR -1L /* node FF is invalid... */
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#define INVALID_IMAGE 0xFFFF /* a bogus image id */
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#define MAX_SERVERS 2 /* how many nbp can look for... */
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/* space for name, addr, and nbp internal */
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#define MAX_NBP_BUFFER MAX_SERVERS*(sizeof(EntityName)+9)
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/* space for iopb, wds, packetptr */
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#define MAX_LOOKUP_FAILURES 5 // NOT_FOUND errors tolerated
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#define IS_INVALID(a) ((a.aNet == 0xFFFF) && (a.aNode == 0xFF) && (a.aSocket == 0xFF))
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#define SET_INVALID(a) a.aNet = 0xFFFF; \
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a.aNode = 0xFF; \
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a.aSocket = 0xFF;
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/*
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* Errors returned by the server.
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*/
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#define ERROR_BASE -6000
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#define SERVER_ERROR (ERROR_BASE - 1)
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/*
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* Offsets within a received packet
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*/
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typedef struct {
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unsigned char packetType; /* The command number */
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unsigned char packetVersion; /* Protocol version number */
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unsigned short packetImage; /* The image this block belongs to */
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unsigned short packetBlockNo; /* The block of the image (starts with 1) */
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unsigned char packetData[512];/* the data portion of the packet */
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} BootBlock,*BootBlockPtr;
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// This defines a user record.
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// Some of these fields can be determined on the fly by the boot server,
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// while others are stored on disk by the boot server
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typedef struct
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{
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char serverName[serverNameLength]; // server name to boot off of
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char serverZone[zoneNameLength]; // and the zone it lives in
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char serverVol[volNameLength]; // the volume name
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short serverAuthMeth; // authentication method to use (none, clear txt, rand)
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unsigned long sharedSysDirID; // dir id of shared system folder
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unsigned long userDirID; // dir id of the user's private system folder
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unsigned long finderInfo[8]; // blessed folder dir id, startup folder dir id etc...
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unsigned char bootBlocks[138]; // see Inside Mac V-135
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unsigned short bootFlag; // server based flags
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unsigned char pad[306-18]; // <pd 5>pad to ddpMaxData
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}userRecord;
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// This defines the user record reply sent to workstations.
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typedef struct
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{
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unsigned char Command; /* record or image request command word */
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unsigned char pversion; /* version of boot protocol spoken by requestor */
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unsigned short osID; /* type and version of os */
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unsigned int userData; /* time stamp goes here */
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unsigned short blockSize; /* size of blocks we will send */
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unsigned short imageID; /* image ID */
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short result; /* error codes */
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unsigned int imageSize; /* size of image in blocks */
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userRecord userRec; /* tell user where to go */
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}BootPktRply;
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typedef struct
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{
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unsigned short imageID; /* */
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unsigned char section; /* "section" of the image the bitmap refers to */
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unsigned char flags; /* ??? */
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unsigned short replyDelay;
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unsigned char bitmap[512]; /* bitmap of the section of the image requested */
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}bir; // Boot Image Req
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// This defines the structure of packets received from
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// workstations.
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typedef struct
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{
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unsigned char Command; /* record or image request command word */
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unsigned char pversion; /* version of boot protocol spoken by requestor */
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unsigned bir bir; /* on request type (record or image request) */
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}requestBuf;
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typedef struct {
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short bogus; /* this tuple timed out or returned error */
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int time_sent; /* tickcount when this server was sent a packet */
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AddrBlock server_addr /* where is this server? */
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} server_tuple;
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typedef struct {
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unsigned char type; /* packet type */
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unsigned char version; /* protocol version */
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unsigned short machineID; /* our machineID */
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unsigned int timestamp; /* when this was sent */
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char userName[userNameLength]; /* key to finding their record */
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} UserRecordRequest;
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typedef struct
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{
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unsigned char Command; /* type of request this is */
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unsigned char pversion; /* version of this protocol */
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unsigned short imageID; /* ? */
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unsigned short result; /* error field */
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}ImageDone;
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typedef struct
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{
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unsigned short osID; /* type and version of os */
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unsigned long userData; /* time stamp goes here */
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char userName[userNameLength]; /* key to finding thier record */
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userRecord userRec; /* the user's "boot blocks" */
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}uru; // user record update request
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typedef struct {
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unsigned short bootImageID; /* set <> -1 if we know our image */
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unsigned short machineID; /* our machine ID */
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Ptr bitmapBase; /* ptr to receive bitmap */
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unsigned short lastBlockNo; /* number of blocks to receive */
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unsigned short packetsReceived; /* how many packets have we gotten */
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Ptr imageBuffer; /* ptr to image buffer */
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unsigned short blockSize; /* size of single blocks in bytes */
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int trafficTimer; /* Time when the last packet from our server for
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our image arrived (ticks) */
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int progressTimer; /* Time that the last NEW block for our image arrived */
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int retransThreshold; /* Time between retransmissions (4*roundtrip) */
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short roundTrip; /* Time to base retransmissions on */
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short backOff; /* multiplier for retransmission */
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int lastRetransmission; /* time of last transmission */
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AddrBlock server_addr; /* set to our server address (<> -1) */
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server_tuple *tuple_table; /* the tuple table of server candidates */
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union {
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UserRecordRequest userRecord;
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BootPktRply userReply;
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char readPacketArea[586]; /* socket listener read area */
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} u ;
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} SocketListenerGlobals,*SktLsnGPtr;
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typedef struct {
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MPPParamBlock MPPpb; /* a param block to queue this up with */
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WDSElement wds[3]; /* the write data structure that describes this */
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UserRecordRequest record; /* the data to send (packet to pass to DDP) */
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} RequestPacket;
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typedef struct {
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MPPParamBlock MPPpb; /* a param block to queue this up with */
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WDSElement wds[3]; /* the write data structure that describes this */
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requestBuf record; /* the data to send (packet to pass to DDP) */
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} ImageRequestPacket;
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typedef struct {
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char myEntry[50]; /* what to look for */
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Ptr nbpBuffer; /* where to put it */
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short errCode; /* what happened */
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MPPParamBlock myABRecord; /* pb to ask with */
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} nbpLookupRecord;
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typedef struct {
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short netBootRefNum; // refnum of the .netBoot driver (0 if not open)
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short error; // last error recorded (from protocol or signature)
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Ptr netimageBuffer; // place to put the downloaded image
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unsigned int netImageSignature[4]; // the downloaded image signature (generated)
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AddrBlock netServerAddr; // source server address
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BootPktRply ur; // the user record returned by the server
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Ptr StartGlobals; // a place for the start code to store things
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bootVars *pram; // the pram record, read in
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short numAttempts; // number of failed attempts
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short bigError; // the error that makes us net boot
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} DGlobals;
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typedef struct {
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char privates[76];
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long randSeed;
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BitMap screenBits;
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Cursor arrow;
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Pattern dkGray;
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Pattern ltGray;
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Pattern gray;
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Pattern black;
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Pattern white;
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GrafPtr thePort;
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GrafPtr globs;
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GrafPort ourPort; // place to stash our port when we open it
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short curIcon;
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} GrafWorld;
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extern pascal OSErr ATPBOpen(ParamBlockRec *pb,Boolean aSync); /* from ATBootUtil.a */
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typedef short (*j_code)( short command,
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DGlobals *g,
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int **var1,
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int **var2);
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extern int myGetA5(); /* return A5 */
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extern void mySetA5(int oldA5); /* set A5 to the passed value */
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extern void go_rom(Ptr p);
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extern void do_erase();
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#define hashSize 4
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#define maxSBoxCount 8
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#define errorFile 2 /* normally set up for standard error */
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#define NUMTIMES 100
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typedef unsigned long int sBox[256];
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typedef unsigned long int rotatedsBox[4][8][256];
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typedef unsigned long int sBoxs[8][256];
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