Jack Jansen | edf5855 | 1994-12-14 13:36:34 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Glue routines for mactcp module. |
| 3 | * Jack Jansen, CWI, 1994. |
| 4 | * |
| 5 | * Adapted from mactcp socket library, which was in turn |
| 6 | * adapted from ncsa telnet code. |
| 7 | * |
| 8 | * Original authors: Tom Milligan, Charlie Reiman |
| 9 | */ |
| 10 | |
| 11 | # include <Memory.h> |
| 12 | # include <Files.h> |
| 13 | # include <Errors.h> |
| 14 | |
| 15 | #include "tcpglue.h" |
| 16 | #include <Devices.h> |
| 17 | |
Jack Jansen | edf5855 | 1994-12-14 13:36:34 +0000 | [diff] [blame] | 18 | static short driver = 0; |
| 19 | |
| 20 | #ifndef __powerc |
| 21 | /* |
| 22 | * Hack fix for MacTCP 1.0.X bug |
| 23 | * |
| 24 | * This hack doesn't work on the PPC. But then, people with new machines |
| 25 | * shouldn't run ancient buggy software. -- Jack. |
| 26 | */ |
| 27 | |
| 28 | pascal char *ReturnA5(void) = {0x2E8D}; |
| 29 | #endif /* !__powerc */ |
| 30 | |
| 31 | OSErr xOpenDriver() |
| 32 | { |
| 33 | if (driver == 0) |
| 34 | { |
| 35 | ParamBlockRec pb; |
| 36 | OSErr io; |
| 37 | |
| 38 | pb.ioParam.ioCompletion = 0L; |
| 39 | pb.ioParam.ioNamePtr = "\p.IPP"; |
| 40 | pb.ioParam.ioPermssn = fsCurPerm; |
| 41 | io = PBOpen(&pb,false); |
| 42 | if (io != noErr) |
| 43 | return(io); |
| 44 | driver = pb.ioParam.ioRefNum; |
| 45 | } |
| 46 | return noErr; |
| 47 | } |
| 48 | |
| 49 | /* |
| 50 | * create a TCP stream |
| 51 | */ |
| 52 | OSErr xTCPCreate(buflen,notify,udp, pb) |
| 53 | int buflen; |
Jack Jansen | 75b6f1c | 1995-01-18 13:50:42 +0000 | [diff] [blame] | 54 | TCPNotifyUPP notify; |
Jack Jansen | edf5855 | 1994-12-14 13:36:34 +0000 | [diff] [blame] | 55 | void *udp; |
| 56 | TCPiopb *pb; |
| 57 | { |
| 58 | pb->ioCRefNum = driver; |
| 59 | pb->csCode = TCPCreate; |
| 60 | pb->csParam.create.rcvBuff = (char *)NewPtr(buflen); |
| 61 | pb->csParam.create.rcvBuffLen = buflen; |
| 62 | pb->csParam.create.notifyProc = notify; |
| 63 | pb->csParam.create.userDataPtr = udp; |
| 64 | return (xPBControlSync(pb)); |
| 65 | } |
| 66 | |
| 67 | |
| 68 | /* |
| 69 | * start listening for a TCP connection |
| 70 | */ |
Jack Jansen | 75b6f1c | 1995-01-18 13:50:42 +0000 | [diff] [blame] | 71 | OSErr xTCPPassiveOpen(TCPiopb *pb, short port, TCPIOCompletionUPP completion, |
Jack Jansen | edf5855 | 1994-12-14 13:36:34 +0000 | [diff] [blame] | 72 | void *udp) |
| 73 | { |
| 74 | if (driver == 0) |
| 75 | return(invalidStreamPtr); |
| 76 | |
| 77 | pb->ioCRefNum = driver; |
| 78 | pb->csCode = TCPPassiveOpen; |
| 79 | pb->csParam.open.validityFlags = timeoutValue | timeoutAction; |
| 80 | pb->csParam.open.ulpTimeoutValue = 255 /* seconds */; |
| 81 | pb->csParam.open.ulpTimeoutAction = 0 /* 1:abort 0:report */; |
| 82 | pb->csParam.open.commandTimeoutValue = 0 /* infinity */; |
| 83 | pb->csParam.open.remoteHost = 0; |
| 84 | pb->csParam.open.remotePort = 0; |
| 85 | pb->csParam.open.localHost = 0; |
| 86 | pb->csParam.open.localPort = port; |
| 87 | pb->csParam.open.dontFrag = 0; |
| 88 | pb->csParam.open.timeToLive = 0; |
| 89 | pb->csParam.open.security = 0; |
| 90 | pb->csParam.open.optionCnt = 0; |
| 91 | pb->csParam.open.userDataPtr = udp; |
| 92 | return (xPBControl(pb,completion)); |
| 93 | } |
| 94 | |
| 95 | /* |
| 96 | * connect to a remote TCP |
| 97 | */ |
| 98 | OSErr xTCPActiveOpen(TCPiopb *pb, short port, long rhost, short rport, |
Jack Jansen | 75b6f1c | 1995-01-18 13:50:42 +0000 | [diff] [blame] | 99 | TCPIOCompletionUPP completion) |
Jack Jansen | edf5855 | 1994-12-14 13:36:34 +0000 | [diff] [blame] | 100 | { |
| 101 | if (driver == 0) |
| 102 | return(invalidStreamPtr); |
| 103 | |
| 104 | pb->ioCRefNum = driver; |
| 105 | pb->csCode = TCPActiveOpen; |
| 106 | pb->csParam.open.validityFlags = timeoutValue | timeoutAction; |
| 107 | pb->csParam.open.ulpTimeoutValue = 60 /* seconds */; |
| 108 | pb->csParam.open.ulpTimeoutAction = 1 /* 1:abort 0:report */; |
| 109 | pb->csParam.open.commandTimeoutValue = 0; |
| 110 | pb->csParam.open.remoteHost = rhost; |
| 111 | pb->csParam.open.remotePort = rport; |
| 112 | pb->csParam.open.localHost = 0; |
| 113 | pb->csParam.open.localPort = port; |
| 114 | pb->csParam.open.dontFrag = 0; |
| 115 | pb->csParam.open.timeToLive = 0; |
| 116 | pb->csParam.open.security = 0; |
| 117 | pb->csParam.open.optionCnt = 0; |
| 118 | return (xPBControl(pb,completion)); |
| 119 | } |
| 120 | |
| 121 | OSErr xTCPNoCopyRcv(pb,rds,rdslen,timeout,completion) |
| 122 | TCPiopb *pb; |
| 123 | rdsEntry *rds; |
| 124 | int rdslen; |
| 125 | int timeout; |
Jack Jansen | 75b6f1c | 1995-01-18 13:50:42 +0000 | [diff] [blame] | 126 | TCPIOCompletionUPP completion; |
Jack Jansen | edf5855 | 1994-12-14 13:36:34 +0000 | [diff] [blame] | 127 | { |
| 128 | |
| 129 | if (driver == 0) |
| 130 | return(invalidStreamPtr); |
| 131 | |
| 132 | pb->ioCRefNum = driver; |
| 133 | pb->csCode = TCPNoCopyRcv; |
| 134 | pb->csParam.receive.commandTimeoutValue = timeout; /* seconds, 0 = blocking */ |
| 135 | pb->csParam.receive.rdsPtr = (Ptr)rds; |
| 136 | pb->csParam.receive.rdsLength = rdslen; |
| 137 | return (xPBControl(pb,completion)); |
| 138 | } |
| 139 | |
Jack Jansen | 75b6f1c | 1995-01-18 13:50:42 +0000 | [diff] [blame] | 140 | OSErr xTCPBufReturn(TCPiopb *pb,rdsEntry *rds,TCPIOCompletionUPP completion) |
Jack Jansen | edf5855 | 1994-12-14 13:36:34 +0000 | [diff] [blame] | 141 | { |
| 142 | pb->ioCRefNum = driver; |
| 143 | pb->csCode = TCPRcvBfrReturn; |
| 144 | pb->csParam.receive.rdsPtr = (Ptr)rds; |
| 145 | |
| 146 | return (xPBControl(pb,completion)); |
| 147 | } |
| 148 | |
| 149 | /* |
| 150 | * send data |
| 151 | */ |
Jack Jansen | 75b6f1c | 1995-01-18 13:50:42 +0000 | [diff] [blame] | 152 | OSErr xTCPSend(TCPiopb *pb, wdsEntry *wds, Boolean push, Boolean urgent, TCPIOCompletionUPP completion) |
Jack Jansen | edf5855 | 1994-12-14 13:36:34 +0000 | [diff] [blame] | 153 | { |
| 154 | if (driver == 0) |
| 155 | return invalidStreamPtr; |
| 156 | |
| 157 | pb->ioCRefNum = driver; |
| 158 | pb->csCode = TCPSend; |
| 159 | pb->csParam.send.validityFlags = timeoutValue | timeoutAction; |
| 160 | pb->csParam.send.ulpTimeoutValue = 60 /* seconds */; |
| 161 | pb->csParam.send.ulpTimeoutAction = 0 /* 0:abort 1:report */; |
| 162 | pb->csParam.send.pushFlag = push; |
| 163 | pb->csParam.send.urgentFlag = urgent; |
| 164 | pb->csParam.send.wdsPtr = (Ptr)wds; |
| 165 | return (xPBControl(pb,completion)); |
| 166 | } |
| 167 | |
| 168 | |
| 169 | /* |
| 170 | * close a connection |
| 171 | */ |
Jack Jansen | 75b6f1c | 1995-01-18 13:50:42 +0000 | [diff] [blame] | 172 | OSErr xTCPClose(TCPiopb *pb,TCPIOCompletionUPP completion) |
Jack Jansen | edf5855 | 1994-12-14 13:36:34 +0000 | [diff] [blame] | 173 | { |
| 174 | if (driver == 0) |
| 175 | return(invalidStreamPtr); |
| 176 | |
| 177 | pb->ioCRefNum = driver; |
| 178 | pb->csCode = TCPClose; |
| 179 | pb->csParam.close.validityFlags = timeoutValue | timeoutAction; |
| 180 | pb->csParam.close.ulpTimeoutValue = 60 /* seconds */; |
| 181 | pb->csParam.close.ulpTimeoutAction = 1 /* 1:abort 0:report */; |
| 182 | return (xPBControl(pb,completion)); |
| 183 | } |
| 184 | |
| 185 | /* |
| 186 | * abort a connection |
| 187 | */ |
| 188 | OSErr xTCPAbort(TCPiopb *pb) |
| 189 | { |
| 190 | if (driver == 0) |
| 191 | return(invalidStreamPtr); |
| 192 | |
| 193 | pb->ioCRefNum = driver; |
| 194 | pb->csCode = TCPAbort; |
| 195 | return (xPBControlSync(pb)); |
| 196 | } |
| 197 | |
| 198 | /* |
| 199 | * close down a TCP stream (aborting a connection, if necessary) |
| 200 | */ |
| 201 | OSErr xTCPRelease(pb) |
| 202 | TCPiopb *pb; |
| 203 | { |
| 204 | OSErr io; |
| 205 | |
| 206 | if (driver == 0) |
| 207 | return(invalidStreamPtr); |
| 208 | |
| 209 | pb->ioCRefNum = driver; |
| 210 | pb->csCode = TCPRelease; |
| 211 | io = xPBControlSync(pb); |
| 212 | if (io == noErr) |
| 213 | DisposPtr(pb->csParam.create.rcvBuff); /* there is no release pb */ |
| 214 | return(io); |
| 215 | } |
| 216 | |
| 217 | #if 0 |
| 218 | |
| 219 | int |
| 220 | xTCPBytesUnread(sp) |
| 221 | SocketPtr sp; |
| 222 | { |
| 223 | TCPiopb *pb; |
| 224 | OSErr io; |
| 225 | |
| 226 | if (!(pb = sock_fetch_pb(sp))) |
| 227 | return -1; /* panic */ |
| 228 | |
| 229 | if (driver == 0) |
| 230 | return(-1); |
| 231 | |
| 232 | pb->ioCRefNum = driver; |
| 233 | pb->csCode = TCPStatus; |
| 234 | io = xPBControlSync(pb); |
| 235 | if (io != noErr) |
| 236 | return(-1); |
| 237 | return(pb->csParam.status.amtUnreadData); |
| 238 | } |
| 239 | |
| 240 | int |
| 241 | xTCPBytesWriteable(sp) |
| 242 | SocketPtr sp; |
| 243 | { |
| 244 | TCPiopb *pb; |
| 245 | OSErr io; |
| 246 | long amount; |
| 247 | |
| 248 | if (!(pb = sock_fetch_pb(sp))) |
| 249 | return -1; /* panic */ |
| 250 | |
| 251 | if (driver == 0) |
| 252 | return(-1); |
| 253 | |
| 254 | pb->ioCRefNum = driver; |
| 255 | pb->csCode = TCPStatus; |
| 256 | io = xPBControlSync(pb); |
| 257 | if (io != noErr) |
| 258 | return(-1); |
| 259 | amount = pb->csParam.status.sendWindow-pb->csParam.status.amtUnackedData; |
| 260 | if (amount < 0) |
| 261 | amount = 0; |
| 262 | return amount; |
| 263 | } |
| 264 | |
| 265 | int xTCPWriteBytesLeft(SocketPtr sp) |
| 266 | { |
| 267 | TCPiopb *pb; |
| 268 | OSErr io; |
| 269 | |
| 270 | if (!(pb = sock_fetch_pb(sp))) |
| 271 | return -1; /* panic */ |
| 272 | |
| 273 | if (driver == 0) |
| 274 | return(-1); |
| 275 | |
| 276 | pb->ioCRefNum = driver; |
| 277 | pb->csCode = TCPStatus; |
| 278 | io = xPBControlSync(pb); |
| 279 | if (io != noErr) |
| 280 | return(-1); |
| 281 | return (pb->csParam.status.amtUnackedData); |
| 282 | } |
| 283 | #endif |
| 284 | |
| 285 | OSErr xTCPStatus(TCPiopb *pb, TCPStatusPB **spb) |
| 286 | { |
| 287 | OSErr io; |
| 288 | |
| 289 | if (driver == 0) |
| 290 | return(-1); |
| 291 | |
| 292 | pb->ioCRefNum = driver; |
| 293 | pb->csCode = TCPStatus; |
| 294 | io = xPBControlSync(pb); |
| 295 | if (io == noErr) |
| 296 | *spb = &pb->csParam.status; |
| 297 | return(io); |
| 298 | } |
| 299 | |
| 300 | |
| 301 | /* |
| 302 | * create a UDP stream, hook it to a socket. |
| 303 | */ |
Jack Jansen | 75b6f1c | 1995-01-18 13:50:42 +0000 | [diff] [blame] | 304 | OSErr xUDPCreate(UDPiopb *pb,int buflen,ip_port *port, UDPNotifyUPP asr, void *udp) |
Jack Jansen | edf5855 | 1994-12-14 13:36:34 +0000 | [diff] [blame] | 305 | { |
| 306 | OSErr io; |
| 307 | |
| 308 | pb->ioCRefNum = driver; |
| 309 | pb->csCode = UDPCreate; |
| 310 | pb->csParam.create.rcvBuff = (char *)NewPtr(buflen); |
| 311 | pb->csParam.create.rcvBuffLen = buflen; |
| 312 | pb->csParam.create.notifyProc = asr; |
| 313 | pb->csParam.create.userDataPtr = udp; |
| 314 | pb->csParam.create.localPort = *port; |
| 315 | if ( (io = xPBControlSync( (TCPiopb *)pb ) ) != noErr) |
| 316 | return io; |
| 317 | |
| 318 | *port = pb->csParam.create.localPort; |
| 319 | return noErr; |
| 320 | } |
| 321 | |
| 322 | /* |
| 323 | * ask for incoming data |
| 324 | */ |
Jack Jansen | 75b6f1c | 1995-01-18 13:50:42 +0000 | [diff] [blame] | 325 | OSErr xUDPRead(UDPiopb *pb, int timeout, UDPIOCompletionUPP completion) |
Jack Jansen | edf5855 | 1994-12-14 13:36:34 +0000 | [diff] [blame] | 326 | { |
| 327 | |
| 328 | if (driver == 0) |
| 329 | return(invalidStreamPtr); |
| 330 | |
| 331 | pb->ioCRefNum = driver; |
| 332 | pb->csCode = UDPRead; |
| 333 | pb->csParam.receive.timeOut = timeout; |
| 334 | pb->csParam.receive.secondTimeStamp = 0/* must be zero */; |
Jack Jansen | 75b6f1c | 1995-01-18 13:50:42 +0000 | [diff] [blame] | 335 | return (xPBControl ( (TCPiopb *)pb, (TCPIOCompletionUPP)completion )); |
Jack Jansen | edf5855 | 1994-12-14 13:36:34 +0000 | [diff] [blame] | 336 | } |
| 337 | |
| 338 | OSErr xUDPBfrReturn(UDPiopb *pb, char *buff) |
| 339 | { |
| 340 | |
| 341 | if (driver == 0) |
| 342 | return(invalidStreamPtr); |
| 343 | |
| 344 | pb->ioCRefNum = driver; |
| 345 | pb->csCode = UDPBfrReturn; |
| 346 | pb->csParam.receive.rcvBuff = buff; |
Jack Jansen | 75b6f1c | 1995-01-18 13:50:42 +0000 | [diff] [blame] | 347 | return ( xPBControl( (TCPiopb *)pb,(TCPIOCompletionUPP)-1 ) ); |
Jack Jansen | edf5855 | 1994-12-14 13:36:34 +0000 | [diff] [blame] | 348 | } |
| 349 | |
| 350 | /* |
| 351 | * send data |
| 352 | */ |
| 353 | OSErr xUDPWrite(UDPiopb *pb,ip_addr host,ip_port port,miniwds *wds, |
Jack Jansen | 75b6f1c | 1995-01-18 13:50:42 +0000 | [diff] [blame] | 354 | UDPIOCompletionUPP completion) |
Jack Jansen | edf5855 | 1994-12-14 13:36:34 +0000 | [diff] [blame] | 355 | { |
| 356 | |
| 357 | if (driver == 0) |
| 358 | return(invalidStreamPtr); |
| 359 | |
| 360 | pb->ioCRefNum = driver; |
| 361 | pb->csCode = UDPWrite; |
| 362 | pb->csParam.send.remoteHost = host; |
| 363 | pb->csParam.send.remotePort = port; |
| 364 | pb->csParam.send.wdsPtr = (Ptr)wds; |
| 365 | pb->csParam.send.checkSum = true; |
| 366 | pb->csParam.send.sendLength = 0/* must be zero */; |
Jack Jansen | 75b6f1c | 1995-01-18 13:50:42 +0000 | [diff] [blame] | 367 | return (xPBControl( (TCPiopb *)pb, (TCPIOCompletionUPP)completion)); |
Jack Jansen | edf5855 | 1994-12-14 13:36:34 +0000 | [diff] [blame] | 368 | } |
| 369 | |
| 370 | /* |
| 371 | * close down a UDP stream (aborting a read, if necessary) |
| 372 | */ |
| 373 | OSErr xUDPRelease(UDPiopb *pb) { |
| 374 | OSErr io; |
| 375 | |
| 376 | if (driver == 0) |
| 377 | return(invalidStreamPtr); |
| 378 | |
| 379 | pb->ioCRefNum = driver; |
| 380 | pb->csCode = UDPRelease; |
| 381 | io = xPBControlSync( (TCPiopb *)pb ); |
| 382 | if (io == noErr) { |
| 383 | DisposPtr(pb->csParam.create.rcvBuff); |
| 384 | } |
| 385 | return(io); |
| 386 | } |
| 387 | |
| 388 | ip_addr xIPAddr(void) |
| 389 | { |
| 390 | struct GetAddrParamBlock pbr; |
| 391 | OSErr io; |
| 392 | |
| 393 | pbr.ioCRefNum = driver; |
| 394 | pbr.csCode = ipctlGetAddr; |
| 395 | io = xPBControlSync( (TCPiopb *)&pbr ); |
| 396 | if (io != noErr) |
| 397 | return(0); |
| 398 | return(pbr.ourAddress); |
| 399 | } |
| 400 | |
| 401 | long xNetMask() |
| 402 | { |
| 403 | struct GetAddrParamBlock pbr; |
| 404 | OSErr io; |
| 405 | |
| 406 | pbr.ioCRefNum = driver; |
| 407 | pbr.csCode = ipctlGetAddr; |
| 408 | io = xPBControlSync( (TCPiopb *)&pbr); |
| 409 | if (io != noErr) |
| 410 | return(0); |
| 411 | return(pbr.ourNetMask); |
| 412 | } |
| 413 | |
| 414 | unsigned short xMaxMTU() |
| 415 | { |
| 416 | struct UDPiopb pbr; |
| 417 | OSErr io; |
| 418 | |
| 419 | pbr.ioCRefNum = driver; |
| 420 | pbr.csCode = UDPMaxMTUSize; |
| 421 | pbr.csParam.mtu.remoteHost = xIPAddr(); |
| 422 | io = xPBControlSync( (TCPiopb *)&pbr ); |
| 423 | if (io != noErr) |
| 424 | return(0); |
| 425 | return(pbr.csParam.mtu.mtuSize); |
| 426 | } |
| 427 | |
| 428 | OSErr xPBControlSync(TCPiopb *pb) |
| 429 | { |
| 430 | (pb)->ioCompletion = 0L; |
| 431 | return PBControl((ParmBlkPtr)(pb),false); |
| 432 | } |
| 433 | |
| 434 | #pragma segment SOCK_RESIDENT |
| 435 | |
| 436 | OSErr xTCPRcv(pb,buf,buflen,timeout,completion) |
| 437 | TCPiopb *pb; |
| 438 | Ptr buf; |
| 439 | int buflen; |
| 440 | int timeout; |
Jack Jansen | 75b6f1c | 1995-01-18 13:50:42 +0000 | [diff] [blame] | 441 | TCPIOCompletionUPP completion; |
Jack Jansen | edf5855 | 1994-12-14 13:36:34 +0000 | [diff] [blame] | 442 | { |
| 443 | |
| 444 | if (driver == 0) |
| 445 | return(invalidStreamPtr); |
| 446 | |
| 447 | pb->ioCRefNum = driver; |
| 448 | pb->csCode = TCPRcv; |
| 449 | pb->csParam.receive.commandTimeoutValue = timeout; /* seconds, 0 = blocking */ |
| 450 | pb->csParam.receive.rcvBuff = buf; |
| 451 | pb->csParam.receive.rcvBuffLen = buflen; |
| 452 | return (xPBControl(pb,completion)); |
| 453 | } |
| 454 | |
Jack Jansen | 75b6f1c | 1995-01-18 13:50:42 +0000 | [diff] [blame] | 455 | OSErr xPBControl(TCPiopb *pb,TCPIOCompletionUPP completion) |
Jack Jansen | edf5855 | 1994-12-14 13:36:34 +0000 | [diff] [blame] | 456 | { |
| 457 | #ifndef __MWERKS__ |
| 458 | pb->ioNamePtr = ReturnA5(); |
| 459 | #endif |
| 460 | |
| 461 | if (completion == 0L) |
| 462 | { |
| 463 | (pb)->ioCompletion = 0L; |
| 464 | return(PBControl((ParmBlkPtr)(pb),false)); /* sync */ |
| 465 | } |
Jack Jansen | 75b6f1c | 1995-01-18 13:50:42 +0000 | [diff] [blame] | 466 | else if (completion == (TCPIOCompletionUPP)-1L) |
Jack Jansen | edf5855 | 1994-12-14 13:36:34 +0000 | [diff] [blame] | 467 | { |
| 468 | (pb)->ioCompletion = 0L; |
| 469 | return(PBControl((ParmBlkPtr)(pb),true)); /* async */ |
| 470 | } |
| 471 | else |
| 472 | { |
Jack Jansen | edf5855 | 1994-12-14 13:36:34 +0000 | [diff] [blame] | 473 | (pb)->ioCompletion = completion; |
Jack Jansen | edf5855 | 1994-12-14 13:36:34 +0000 | [diff] [blame] | 474 | return(PBControl((ParmBlkPtr)(pb),true)); /* async */ |
| 475 | } |
| 476 | } |
| 477 | |