reactos/base/applications/network/ftp/ftp.c

   1 #define L_SET SEEK_SET
   2 #define L_INCR SEEK_CUR
   3 #define caddr_t void *
   4 /*
   5  * Copyright (c) 1985, 1989 Regents of the University of California.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms are permitted
   9  * provided that the above copyright notice and this paragraph are
  10  * duplicated in all such forms and that any documentation,
  11  * advertising materials, and other materials related to such
  12  * distribution and use acknowledge that the software was developed
  13  * by the University of California, Berkeley.  The name of the
  14  * University may not be used to endorse or promote products derived
  15  * from this software without specific prior written permission.
  16  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
  17  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
  18  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  19  */
  20
  21 #ifndef lint
  22 static char sccsid[] = "@(#)ftp.c       5.28 (Berkeley) 4/20/89";
  23 #endif /* not lint */
  24
  25 #include "precomp.h"
  26
  27 #ifndef MAXHOSTNAMELEN
  28 #define MAXHOSTNAMELEN 64
  29 #endif
  30
  31 #ifdef NOVFPRINTF
  32 #define vfprintf(a,b,c) _doprnt(b,c,a)
  33 #endif
  34
  35 #ifdef sun
  36 /* FD_SET wasn't defined until 4.0. its a cheap test for uid_t  presence */
  37 #ifndef FD_SET
  38 #define NBBY    8               /* number of bits in a byte */
  39 /*
  40  * Select uses bit masks of file descriptors in longs.
  41  * These macros manipulate such bit fields (the filesystem macros use chars).
  42  * FD_SETSIZE may be defined by the user, but the default here
  43  * should be >= NOFILE (param.h).
  44  */
  45 #ifndef FD_SETSIZE
  46 #define FD_SETSIZE      256
  47 #endif
  48
  49 typedef long    fd_mask;
  50 #define NFDBITS (sizeof(fd_mask) * NBBY)        /* bits per mask */
  51 #ifndef howmany
  52 #define howmany(x, y)   (((x)+((y)-1))/(y))
  53 #endif
  54
  55 #define FD_SET(n, p)    ((p)->fds_bits[(n)/NFDBITS] |= (1 << ((n) % NFDBITS)))
  56 #define FD_CLR(n, p)    ((p)->fds_bits[(n)/NFDBITS] &= ~(1 << ((n) % NFDBITS)))
  57 #define FD_ISSET(n, p)  ((p)->fds_bits[(n)/NFDBITS] & (1 << ((n) % NFDBITS)))
  58 #define FD_ZERO(p)      bzero((char *)(p), sizeof(*(p)))
  59
  60 typedef int uid_t;
  61 typedef int gid_t;
  62 #endif
  63 #endif
  64
  65 struct  sockaddr_in hisctladdr;
  66 struct  sockaddr_in data_addr;
  67 int     data = -1;
  68 int     abrtflag = 0;
  69 int     ptflag = 0;
  70 int     allbinary;
  71 struct  sockaddr_in myctladdr;
  72 uid_t   getuid();
  73 sig_t   lostpeer();
  74 off_t   restart_point = 0;
  75
  76 SOCKET cin, cout;
  77 int     dataconn(const char *mode);
  78
  79 int command(const char *fmt, ...);
  80
  81 char *hostname;
  82
  83 typedef void (*Sig_t)(int);
  84
  85 // Signal Handlers
  86
  87 void psabort(int sig);
  88
  89 char *hookup(const char *host, int port)
  90 {
  91         register struct hostent *hp = 0;
  92         int len;
  93         SOCKET s;
  94         static char hostnamebuf[80];
  95
  96         bzero((char *)&hisctladdr, sizeof (hisctladdr));
  97         hisctladdr.sin_addr.s_addr = inet_addr(host);
  98         if (hisctladdr.sin_addr.s_addr != (unsigned long)-1) {
  99                 hisctladdr.sin_family = AF_INET;
 100                 (void) strncpy(hostnamebuf, host, sizeof(hostnamebuf));
 101         } else {
 102                 hp = gethostbyname(host);
 103                 if (hp == NULL) {
 104                         fprintf(stderr, "ftp: %s: ", host);
 105                         herror((char *)NULL);
 106                         code = -1;
 107                         return((char *) 0);
 108                 }
 109                 hisctladdr.sin_family = hp->h_addrtype;
 110                 bcopy(hp->h_addr_list[0],
 111                          (caddr_t)&hisctladdr.sin_addr, hp->h_length);
 112                 (void) strncpy(hostnamebuf, hp->h_name, sizeof(hostnamebuf));
 113         }
 114         hostname = hostnamebuf;
 115         s = socket(hisctladdr.sin_family, SOCK_STREAM, 0);
 116         if (s == INVALID_SOCKET) {
 117                 perror("ftp: socket");
 118                 code = -1;
 119                 return (0);
 120         }
 121         hisctladdr.sin_port = port;
 122         while (connect(s, (struct sockaddr *)&hisctladdr, sizeof (hisctladdr)) < 0) {
 123                 if (hp && hp->h_addr_list[1]) {
 124                         int oerrno = errno;
 125
 126                         fprintf(stderr, "ftp: connect to address %s: ",
 127                                 inet_ntoa(hisctladdr.sin_addr));
 128                         errno = oerrno;
 129                         perror((char *) 0);
 130                         hp->h_addr_list++;
 131                         bcopy(hp->h_addr_list[0],
 132                              (caddr_t)&hisctladdr.sin_addr, hp->h_length);
 133                         fprintf(stdout, "Trying %s...\n",
 134                                 inet_ntoa(hisctladdr.sin_addr));
 135                         (void) fflush(stdout);
 136                         (void) close(s);
 137                         s = socket(hisctladdr.sin_family, SOCK_STREAM, 0);
 138                         if (s == INVALID_SOCKET) {
 139                                 perror("ftp: socket");
 140                                 code = -1;
 141                                 return (0);
 142                         }
 143                         continue;
 144                 }
 145                 perror("ftp: connect");
 146                 code = -1;
 147                 goto bad;
 148         }
 149         len = sizeof (myctladdr);
 150         if (getsockname(s, (struct sockaddr *)&myctladdr, &len) < 0) {
 151                 perror("ftp: getsockname");
 152                 code = -1;
 153                 goto bad;
 154         }
 155         cin = cout = s;
 156         if (verbose) {
 157                 printf("Connected to %s.\n", hostname);
 158                 (void) fflush(stdout);
 159         }
 160         if (getreply(0) > 2) {  /* read startup message from server */
 161                 closesocket(cin);
 162                 code = -1;
 163                 goto bad;
 164         }
 165 #ifdef SO_OOBINLINE
 166         {
 167         int on = 1;
 168
 169         if (setsockopt(s, SOL_SOCKET, SO_OOBINLINE, (const char *) &on, sizeof(on))
 170                 < 0 && debug) {
 171                         perror("ftp: setsockopt");
 172                 }
 173         }
 174 #endif //SO_OOBINLINE
 175
 176         return (hostname);
 177 bad:
 178         (void) close(s);
 179         return ((char *)0);
 180 }
 181
 182 int login(const char *host)
 183 {
 184         char tmp[80];
 185         char *puser, *ppass, *pacct;
 186         const char *user, *pass, *acct;
 187         int n, aflag = 0;
 188
 189         user = pass = acct = 0;
 190         n = ruserpass(host, &puser, &ppass, &pacct);
 191         if (n < 0) {
 192                 code = -1;
 193                 return(0);
 194         }
 195         if (0 != n) {
 196                 user = puser;
 197                 pass = ppass;
 198                 acct = pacct;
 199         }
 200         while (user == NULL) {
 201                 const char *myname = "none"; // This needs to become the usename env
 202
 203                 if (myname)
 204                         printf("Name (%s:%s): ", host, myname);
 205                 else
 206                         printf("Name (%s): ", host);
 207                 (void) fflush(stdout);
 208                 (void) fgets(tmp, sizeof(tmp) - 1, stdin);
 209                 tmp[strlen(tmp) - 1] = '\0';
 210                 if (*tmp == '\0')
 211                         user = myname;
 212                 else
 213                         user = tmp;
 214         }
 215         n = command("USER %s", user);
 216         if (n == CONTINUE) {
 217                 if (pass == NULL)
 218                         pass = getpass("Password:");
 219                 n = command("PASS %s", pass);
 220                 fflush(stdin);
 221         }
 222         if (n == CONTINUE) {
 223                 aflag++;
 224                 acct = getpass("Account:");
 225                 n = command("ACCT %s", acct);
 226         }
 227         if (n != COMPLETE) {
 228                 fprintf(stderr, "Login failed.\n");
 229                 return (0);
 230         }
 231         if (!aflag && acct != NULL)
 232                 (void) command("ACCT %s", acct);
 233         if (proxy)
 234                 return(1);
 235         for (n = 0; n < macnum; ++n) {
 236                 if (!strcmp("init", macros[n].mac_name)) {
 237                         (void) strcpy(line, "$init");
 238                         makeargv();
 239                         domacro(margc, margv);
 240                         break;
 241                 }
 242         }
 243         return (1);
 244 }
 245
 246 static void
 247 cmdabort(int sig)
 248 {
 249         extern jmp_buf ptabort;
 250
 251         printf("\n");
 252         (void) fflush(stdout);
 253         abrtflag++;
 254         if (ptflag)
 255                 longjmp(ptabort,1);
 256 }
 257
 258 /*VARARGS1*/
 259 int command(const char *fmt, ...)
 260 {
 261         va_list ap;
 262         int r;
 263         void (*oldintr)(int);
 264
 265         abrtflag = 0;
 266         if (debug) {
 267                 printf("---> ");
 268                 va_start(ap, fmt);
 269                 vfprintf(stdout, fmt, ap);
 270                 va_end(ap);
 271                 printf("\n");
 272                 (void) fflush(stdout);
 273         }
 274         if (cout == 0) {
 275                 perror ("No control connection for command");
 276                 code = -1;
 277                 return (0);
 278         }
 279         oldintr = signal(SIGINT,cmdabort);
 280         {
 281                 char buffer[1024];
 282
 283                 va_start(ap, fmt);
 284                 vsprintf(buffer, fmt, ap);
 285                 va_end(ap);
 286 //DLJ: to work through  firewalls - send the command as a single message
 287                 strcat(buffer,"\r\n");
 288                 fprintfSocket(cout, buffer);
 289         }
 290 //DLJ: the following two lines are replaced by the strcat above - seems to
 291 // make it work through firewalls.
 292 //      fprintfSocket(cout, "\r\n");
 293 //      (void) fflush(cout);
 294         cpend = 1;
 295         r = getreply(!strcmp(fmt, "QUIT"));
 296         if (abrtflag && oldintr != SIG_IGN)
 297                 (*oldintr)(SIGINT);
 298 //      (void) signal(SIGINT, oldintr);
 299         return(r);
 300 }
 301
 302 char reply_string[BUFSIZ];              /* last line of previous reply */
 303
 304 #include <ctype.h>
 305
 306 int
 307 getreply(expecteof)
 308         int expecteof;
 309 {
 310         register int c, n;
 311         register int dig;
 312         register char *cp;
 313         int originalcode = 0, continuation = 0;
 314         void (*oldintr)(int);
 315         int pflag = 0;
 316         char *pt = pasv;
 317
 318         oldintr = signal(SIGINT,cmdabort);
 319         for (;;) {
 320                 dig = n = code = 0;
 321                 cp = reply_string;
 322                 while ((c = fgetcSocket(cin)) != '\n') {
 323                         if (c == IAC) {     /* handle telnet commands */
 324                                 switch (fgetcSocket(cin)) {
 325                                 case WILL:
 326                                 case WONT:
 327                                         c = fgetcSocket(cin);
 328                                         fprintfSocket(cout, "%c%c%c",IAC,DONT,c);
 329                                         break;
 330                                 case DO:
 331                                 case DONT:
 332                                         c = fgetcSocket(cin);
 333                                         fprintfSocket(cout, "%c%c%c",IAC,WONT,c);
 334                                         break;
 335                                 default:
 336                                         break;
 337                                 }
 338                                 continue;
 339                         }
 340                         dig++;
 341                         if (c == EOF) {
 342                                 if (expecteof) {
 343 //                                      (void) signal(SIGINT,oldintr);
 344                                         code = 221;
 345                                         return (0);
 346                                 }
 347                                 lostpeer();
 348                                 if (verbose) {
 349                                         printf("421 Service not available, remote server has closed connection\n");
 350                                         (void) fflush(stdout);
 351                                 }
 352                                 code = 421;
 353                                 return(4);
 354                         }
 355                         if (c != '\r' && (verbose > 0 ||
 356                             (verbose > -1 && n == '5' && dig > 4))) {
 357                                 if (proxflag &&
 358                                    ((dig == 1 || dig == 5) && verbose == 0))
 359                                         printf("%s:",hostname);
 360                                 (void) putchar(c);
 361                                 (void) fflush(stdout);
 362                         }
 363                         if (dig < 4 && isdigit(c))
 364                                 code = code * 10 + (c - '0');
 365                         if (!pflag && code == 227)
 366                                 pflag = 1;
 367                         if (dig > 4 && pflag == 1 && isdigit(c))
 368                                 pflag = 2;
 369                         if (pflag == 2) {
 370                                 if (c != '\r' && c != ')')
 371                                         *pt++ = c;
 372                                 else {
 373                                         *pt = '\0';
 374                                         pflag = 3;
 375                                 }
 376                         }
 377                         if (dig == 4 && c == '-') {
 378                                 if (continuation)
 379                                         code = 0;
 380                                 continuation++;
 381                         }
 382                         if (n == 0)
 383                                 n = c;
 384                         if (cp < &reply_string[sizeof(reply_string) - 1])
 385                                 *cp++ = c;
 386                 }
 387                 if (verbose > 0 || (verbose > -1 && n == '5')) {
 388                         (void) putchar(c);
 389                         (void) fflush (stdout);
 390                 }
 391                 if (continuation && code != originalcode) {
 392                         if (originalcode == 0)
 393                                 originalcode = code;
 394                         continue;
 395                 }
 396                 *cp = '\0';
 397                 if (n != '1')
 398                         cpend = 0;
 399                 (void) signal(SIGINT,oldintr);
 400                 if (code == 421 || originalcode == 421)
 401                         lostpeer();
 402                 if (abrtflag && oldintr != cmdabort && oldintr != SIG_IGN)
 403                         (*oldintr)(SIGINT);
 404                 return (n - '0');
 405         }
 406 }
 407
 408 static int
 409 empty(mask, sec)
 410         struct fd_set *mask;
 411         int sec;
 412 {
 413         struct timeval t;
 414
 415         t.tv_sec = (long) sec;
 416         t.tv_usec = 0;
 417         return(select(32, mask, (struct fd_set *) 0, (struct fd_set *) 0, &t));
 418 }
 419
 420 jmp_buf sendabort;
 421
 422 #if 0
 423 void abortsend()
 424 {
 425
 426         mflag = 0;
 427         abrtflag = 0;
 428         printf("\nsend aborted\n");
 429         (void) fflush(stdout);
 430         longjmp(sendabort, 1);
 431 }
 432 #endif
 433
 434 #define HASHBYTES 1024
 435
 436 void sendrequest(const char *cmd, const char *local, const char *remote, int printnames)
 437 {
 438         FILE *fin;
 439         int dout = 0;
 440         int (*closefunc)();
 441         sig_t (*oldintr)(), (*oldintp)();
 442         char buf[BUFSIZ], *bufp;
 443         long bytes = 0, hashbytes = HASHBYTES;
 444         register int c, d;
 445         struct stat st;
 446         struct timeval start, stop;
 447         const char *mode;
 448
 449         if (verbose && printnames) {
 450                 if (local && *local != '-')
 451                         printf("local: %s ", local);
 452                 if (remote)
 453                         printf("remote: %s\n", remote);
 454                 (void) fflush(stdout);
 455         }
 456         if (proxy) {
 457                 proxtrans(cmd, local, remote);
 458                 return;
 459         }
 460         closefunc = NULL;
 461         oldintr = NULL;
 462         oldintp = NULL;
 463         mode = "w";
 464         if (setjmp(sendabort)) {
 465                 while (cpend) {
 466                         (void) getreply(0);
 467                 }
 468                 if (data >= 0) {
 469                         (void) close(data);
 470                         data = -1;
 471                 }
 472                 if (oldintr)
 473 null();//                       (void) signal(SIGINT,oldintr);
 474                 if (oldintp)
 475 null();//                       (void) signal(SIGPIPE,oldintp);
 476                 code = -1;
 477                 return;
 478         }
 479 null();//       oldintr = signal(SIGINT, abortsend);
 480         if (strcmp(local, "-") == 0)
 481                 fin = stdin;
 482         else if (*local == '|') {
 483 null();//               oldintp = signal(SIGPIPE,SIG_IGN);
 484                 fin = _popen(local + 1, "r");
 485                 if (fin == NULL) {
 486                         perror(local + 1);
 487 null();//                       (void) signal(SIGINT, oldintr);
 488 null();//                       (void) signal(SIGPIPE, oldintp);
 489                         code = -1;
 490                         return;
 491                 }
 492                 closefunc = _pclose;
 493         } else {
 494                 fin = fopen(local, "r");
 495                 if (fin == NULL) {
 496                         perror(local);
 497 null();//                       (void) signal(SIGINT, oldintr);
 498                         code = -1;
 499                         return;
 500                 }
 501                 closefunc = fclose;
 502                 if (fstat(fileno(fin), &st) < 0 ||
 503                     (st.st_mode&S_IFMT) != S_IFREG) {
 504                         fprintf(stdout, "%s: not a plain file.\n", local);
 505                         (void) fflush(stdout);
 506 null();//                       (void) signal(SIGINT, oldintr);
 507                         fclose(fin);
 508                         code = -1;
 509                         return;
 510                 }
 511         }
 512         if (initconn()) {
 513 null();//               (void) signal(SIGINT, oldintr);
 514                 if (oldintp)
 515 null();//                       (void) signal(SIGPIPE, oldintp);
 516                 code = -1;
 517                 if (closefunc != NULL)
 518                         (*closefunc)(fin);
 519                 return;
 520         }
 521         if (setjmp(sendabort))
 522                 goto abort;
 523
 524         if (restart_point &&
 525             (strcmp(cmd, "STOR") == 0 || strcmp(cmd, "APPE") == 0)) {
 526                 if (fseek(fin, (long) restart_point, 0) < 0) {
 527                         perror(local);
 528                         restart_point = 0;
 529                         if (closefunc != NULL)
 530                                 (*closefunc)(fin);
 531                         return;
 532                 }
 533                 if (command("REST %ld", (long) restart_point)
 534                         != CONTINUE) {
 535                         restart_point = 0;
 536                         if (closefunc != NULL)
 537                                 (*closefunc)(fin);
 538                         return;
 539                 }
 540                 restart_point = 0;
 541                 mode = "r+w";
 542         }
 543         if (remote) {
 544                 if (command("%s %s", cmd, remote) != PRELIM) {
 545 null();//                       (void) signal(SIGINT, oldintr);
 546                         if (oldintp)
 547 null();//                               (void) signal(SIGPIPE, oldintp);
 548                         if (closefunc != NULL)
 549                                 (*closefunc)(fin);
 550                         return;
 551                 }
 552         } else
 553                 if (command("%s", cmd) != PRELIM) {
 554 null();//                       (void) signal(SIGINT, oldintr);
 555                         if (oldintp)
 556 null();//                               (void) signal(SIGPIPE, oldintp);
 557                         if (closefunc != NULL)
 558                                 (*closefunc)(fin);
 559                         return;
 560                 }
 561         dout = dataconn(mode);
 562         if (!dout)
 563                 goto abort;
 564         (void) gettimeofday(&start, (struct timezone *)0);
 565 null();//       oldintp = signal(SIGPIPE, SIG_IGN);
 566         switch (type) {
 567
 568         case TYPE_I:
 569         case TYPE_L:
 570                 errno = d = 0;
 571                 while ((c = read(fileno(fin), buf, sizeof (buf))) > 0) {
 572                         bytes += c;
 573                         for (bufp = buf; c > 0; c -= d, bufp += d)
 574                                 if ((d = send(dout, bufp, c, 0)) <= 0)
 575                                         break;
 576                         if (hash) {
 577                                 while (bytes >= hashbytes) {
 578                                         (void) putchar('#');
 579                                         hashbytes += HASHBYTES;
 580                                 }
 581                                 (void) fflush(stdout);
 582                         }
 583                 }
 584                 if (hash && bytes > 0) {
 585                         if (bytes < HASHBYTES)
 586                                 (void) putchar('#');
 587                         (void) putchar('\n');
 588                         (void) fflush(stdout);
 589                 }
 590                 if (c < 0)
 591                         perror(local);
 592                 if (d <= 0) {
 593                         if (d == 0)
 594                                 fprintf(stderr, "netout: write returned 0?\n");
 595                         else if (errno != EPIPE)
 596                                 perror("netout");
 597                         bytes = -1;
 598                 }
 599                 break;
 600
 601         case TYPE_A:
 602                 {
 603                 char buf[1024];
 604                 static int bufsize = 1024;
 605                 int ipos=0;
 606
 607                 while ((c = getc(fin)) != EOF) {
 608                         if (c == '\n') {
 609                                 while (hash && (bytes >= hashbytes)) {
 610                                         (void) putchar('#');
 611                                         (void) fflush(stdout);
 612                                         hashbytes += HASHBYTES;
 613                                 }
 614 // Szurgot: The following code is unncessary on Win32.
 615 //                              (void) fputcSocket(dout, '\r');
 616 //                              bytes++;
 617                         }
 618
 619                         if (ipos >= bufsize) {
 620                                 fputSocket(dout,buf,ipos);
 621                                 if(!hash) (void) putchar('.');
 622                                 ipos=0;
 623                         }
 624                         buf[ipos]=c; ++ipos;
 625                         bytes++;
 626                 }
 627                 if (ipos) {
 628                         fputSocket(dout,buf,ipos);
 629                         ipos=0;
 630                 }
 631                 if (hash) {
 632                         if (bytes < hashbytes)
 633                         (void) putchar('#');
 634                         (void) putchar('\n');
 635                         (void) fflush(stdout);
 636                 }
 637                 else {
 638                         (void) putchar('.');
 639                         (void) putchar('\n');
 640                         (void) fflush(stdout);
 641                 }
 642                 if (ferror(fin))
 643                         perror(local);
 644 //              if (ferror(dout)) {
 645 //                      if (errno != EPIPE)
 646 //                              perror("netout");
 647 //                      bytes = -1;
 648 //              }
 649                 break;
 650                 }
 651         }
 652         (void) gettimeofday(&stop, (struct timezone *)0);
 653         if (closefunc != NULL)
 654                 (*closefunc)(fin);
 655         if(closesocket(dout)) {
 656                 int iret=WSAGetLastError ();
 657                 fprintf(stdout,"Error closing socket(%d)\n",iret);
 658                 (void) fflush(stdout);
 659         }
 660         (void) getreply(0);
 661 null();//       (void) signal(SIGINT, oldintr);
 662         if (oldintp)
 663 null();//               (void) signal(SIGPIPE, oldintp);
 664         if (bytes > 0)
 665                 ptransfer("sent", bytes, &start, &stop);
 666         return;
 667 abort:
 668         (void) gettimeofday(&stop, (struct timezone *)0);
 669 null();//       (void) signal(SIGINT, oldintr);
 670         if (oldintp)
 671 null();//               (void) signal(SIGPIPE, oldintp);
 672         if (!cpend) {
 673                 code = -1;
 674                 return;
 675         }
 676         if (data >= 0) {
 677                 (void) close(data);
 678                 data = -1;
 679         }
 680         if (dout)
 681                 if(closesocket(dout)) {
 682                         int iret=WSAGetLastError ();
 683                         fprintf(stdout,"Error closing socket(%d)\n",iret);
 684                         (void) fflush(stdout);
 685                 }
 686
 687         (void) getreply(0);
 688         code = -1;
 689         if (closefunc != NULL && fin != NULL)
 690                 (*closefunc)(fin);
 691         if (bytes > 0)
 692                 ptransfer("sent", bytes, &start, &stop);
 693 }
 694
 695 jmp_buf recvabort;
 696
 697 #if 0
 698 void abortrecv()
 699 {
 700
 701         mflag = 0;
 702         abrtflag = 0;
 703         printf("\n");
 704         (void) fflush(stdout);
 705         longjmp(recvabort, 1);
 706 }
 707 #endif
 708
 709 void recvrequest(const char *cmd, const char *local, const char *remote, const char *mode,
 710                 int printnames)
 711 {
 712         FILE *fout = stdout;
 713         int din = 0;
 714         int (*closefunc)();
 715         void (*oldintr)(int), (*oldintp)(int);
 716         int oldverbose = 0, oldtype = 0, is_retr, tcrflag, nfnd, bare_lfs = 0;
 717         char msg;
 718 //      static char *buf; // Szurgot: Shouldn't this go SOMEWHERE?
 719         char buf[1024];
 720         static int bufsize = 1024;
 721         long bytes = 0, hashbytes = HASHBYTES;
 722 //      struct
 723                 fd_set mask;
 724         register int c;
 725         struct timeval start, stop;
 726 //      struct stat st;
 727
 728         is_retr = strcmp(cmd, "RETR") == 0;
 729         if (is_retr && verbose && printnames) {
 730                 if (local && *local != '-')
 731                         printf("local: %s ", local);
 732                 if (remote)
 733                         printf("remote: %s\n", remote);
 734                 (void) fflush(stdout);
 735         }
 736         if (proxy && is_retr) {
 737                 proxtrans(cmd, local, remote);
 738                 return;
 739         }
 740         closefunc = NULL;
 741         oldintr = NULL;
 742         oldintp = NULL;
 743         tcrflag = !crflag && is_retr;
 744         if (setjmp(recvabort)) {
 745                 while (cpend) {
 746                         (void) getreply(0);
 747                 }
 748                 if (data >= 0) {
 749                         (void) close(data);
 750                         data = -1;
 751                 }
 752                 if (oldintr)
 753 null();//                       (void) signal(SIGINT, oldintr);
 754                 code = -1;
 755                 return;
 756         }
 757 null();//       oldintr = signal(SIGINT, abortrecv);
 758         if (strcmp(local, "-") && *local != '|') {
 759 #ifndef _WIN32
 760         register int d;
 761 // This whole thing is a problem... access Won't work on non-existent files
 762                 if (access(local, 2) < 0) {
 763                         char *dir = rindex(local, '/');
 764
 765                         if (errno != ENOENT && errno != EACCES) {
 766                                 perror(local);
 767                                 (void) signal(SIGINT, oldintr);
 768                                 code = -1;
 769                                 return;
 770                         }
 771                         if (dir != NULL)
 772                                 *dir = 0;
 773                         d = access(dir ? local : ".", 2);
 774                         if (dir != NULL)
 775                                 *dir = '/';
 776                         if (d < 0) {
 777                                 perror(local);
 778                                 (void) signal(SIGINT, oldintr);
 779                                 code = -1;
 780                                 return;
 781                         }
 782                         if (!runique && errno == EACCES &&
 783                             chmod(local, 0600) < 0) {
 784                                 perror(local);
 785                                 (void) signal(SIGINT, oldintr);
 786                                 code = -1;
 787                                 return;
 788                         }
 789                         if (runique && errno == EACCES &&
 790                             (local = gunique(local)) == NULL) {
 791                                 (void) signal(SIGINT, oldintr);
 792                                 code = -1;
 793                                 return;
 794                         }
 795                 }
 796                 else if (runique && (local = gunique(local)) == NULL) {
 797                         (void) signal(SIGINT, oldintr);
 798                         code = -1;
 799                         return;
 800                 }
 801 #endif
 802         }
 803         if (initconn()) {
 804 null();//               (void) signal(SIGINT, oldintr);
 805                 code = -1;
 806                 return;
 807         }
 808         if (setjmp(recvabort))
 809                 goto abort;
 810         if (!is_retr) {
 811                 if (type != TYPE_A && (allbinary == 0 || type != TYPE_I)) {
 812                         oldtype = type;
 813                         oldverbose = verbose;
 814                         if (!debug)
 815                                 verbose = 0;
 816                         setascii(0, NULL);
 817                         verbose = oldverbose;
 818                 }
 819         } else if (restart_point) {
 820                 if (command("REST %ld", (long) restart_point) != CONTINUE)
 821                         return;
 822         }
 823         if (remote) {
 824                 if (command("%s %s", cmd, remote) != PRELIM) {
 825 null();//                       (void) signal(SIGINT, oldintr);
 826                         if (oldtype) {
 827                                 if (!debug)
 828                                         verbose = 0;
 829                                 switch (oldtype) {
 830                                         case TYPE_I:
 831                                                 setbinary(0, NULL);
 832                                                 break;
 833                                         case TYPE_E:
 834                                                 setebcdic();
 835                                                 break;
 836                                         case TYPE_L:
 837                                                 settenex(0, NULL);
 838                                                 break;
 839                                 }
 840                                 verbose = oldverbose;
 841                         }
 842                         return;
 843                 }
 844         } else {
 845                 if (command("%s", cmd) != PRELIM) {
 846 null();//                       (void) signal(SIGINT, oldintr);
 847                         if (oldtype) {
 848                                 if (!debug)
 849                                         verbose = 0;
 850                                 switch (oldtype) {
 851                                         case TYPE_I:
 852                                                 setbinary(0, NULL);
 853                                                 break;
 854                                         case TYPE_E:
 855                                                 setebcdic();
 856                                                 break;
 857                                         case TYPE_L:
 858                                                 settenex(0, NULL);
 859                                                 break;
 860                                 }
 861                                 verbose = oldverbose;
 862                         }
 863                         return;
 864                 }
 865         }
 866         din = dataconn("r");
 867         if (!din)
 868                 goto abort;
 869         if (strcmp(local, "-") == 0)
 870                 fout = stdout;
 871         else if (*local == '|') {
 872 null();//               oldintp = signal(SIGPIPE, SIG_IGN);
 873                 fout = _popen(local + 1, "w");
 874                 if (fout == NULL) {
 875                         perror(local+1);
 876                         goto abort;
 877                 }
 878                 closefunc = _pclose;
 879         } else {
 880                 fout = fopen(local, mode);
 881                 if (fout == NULL) {
 882                         perror(local);
 883                         goto abort;
 884                 }
 885                 closefunc = fclose;
 886         }
 887         (void) gettimeofday(&start, (struct timezone *)0);
 888         switch (type) {
 889
 890         case TYPE_I:
 891         case TYPE_L:
 892                 if (restart_point &&
 893                     lseek(fileno(fout), (long) restart_point, L_SET) < 0) {
 894                         perror(local);
 895                         if (closefunc != NULL)
 896                                 (*closefunc)(fout);
 897                         return;
 898                 }
 899                 errno = 0;
 900 //              while ((c = recv(din, buf, bufsize, 1)) > 0) {
 901 //                      if ((d = write(fileno(fout), buf, c)) != c)
 902 //                      if ((d = write(fileno(fout), buf, c)) != c)
 903 //                              break;
 904                 while ((c = recv(din, buf, bufsize, 0)) > 0) {
 905                         write(fileno(fout), buf, c);
 906                         bytes += c;
 907                         if (hash) {
 908                                 while (bytes >= hashbytes) {
 909                                         (void) putchar('#');
 910                                         hashbytes += HASHBYTES;
 911                                 }
 912                                 (void) fflush(stdout);
 913                         }
 914                 }
 915                 if (hash && bytes > 0) {
 916                         if (bytes < HASHBYTES)
 917                                 (void) putchar('#');
 918                         (void) putchar('\n');
 919                         (void) fflush(stdout);
 920                 }
 921 //              if (c < 0) {
 922 //                      if (errno != EPIPE)
 923 //                              perror("netin");
 924 //                      bytes = -1;
 925 //              }
 926 //              if (d < c) {
 927 //                      if (d < 0)
 928 //                              perror(local);
 929 //                      else
 930 //                              fprintf(stderr, "%s: short write\n", local);
 931 //              }
 932                 break;
 933
 934         case TYPE_A:
 935                 if (restart_point) {
 936                         register int i, n, c;
 937
 938                         if (fseek(fout, 0L, L_SET) < 0)
 939                                 goto done;
 940                         n = restart_point;
 941                         i = 0;
 942                         while (i++ < n) {
 943                                 if ((c=getc(fout)) == EOF)
 944                                         goto done;
 945                                 if (c == '\n')
 946                                         i++;
 947                         }
 948                         if (fseek(fout, 0L, L_INCR) < 0) {
 949 done:
 950                                 perror(local);
 951                                 if (closefunc != NULL)
 952                                         (*closefunc)(fout);
 953                                 return;
 954                         }
 955                 }
 956                 while ((c = fgetcSocket(din)) != EOF) {
 957                         if (c == '\n')
 958                                 bare_lfs++;
 959                         while (c == '\r') {
 960                                 while (hash && (bytes >= hashbytes)) {
 961                                         (void) putchar('#');
 962                                         (void) fflush(stdout);
 963                                         hashbytes += HASHBYTES;
 964                                 }
 965                                 bytes++;
 966                                 if ((c = fgetcSocket(din)) != '\n' || tcrflag) {
 967                                         if (ferror(fout))
 968                                         goto break2;
 969                                         (void) putc('\r', fout);
 970                                         if (c == '\0') {
 971                                                 bytes++;
 972                                                 goto contin2;
 973                                         }
 974                                         if (c == EOF)
 975                                                 goto contin2;
 976                                 }
 977                         }
 978                         (void) putc(c, fout);
 979                         bytes++;
 980         contin2:        ;
 981                 }
 982 break2:
 983                 if (bare_lfs) {
 984                         printf("WARNING! %d bare linefeeds received in ASCII mode\n", bare_lfs);
 985                         printf("File may not have transferred correctly.\n");
 986                         (void) fflush(stdout);
 987                 }
 988                 if (hash) {
 989                         if (bytes < hashbytes)
 990                                 (void) putchar('#');
 991                         (void) putchar('\n');
 992                         (void) fflush(stdout);
 993                 }
 994 //              if (ferror(din)) {
 995 //                      if (errno != EPIPE)
 996 //                              perror("netin");
 997 //                      bytes = -1;
 998 //              }
 999                 if (ferror(fout))
1000                         perror(local);
1001                 break;
1002         }
1003         if (closefunc != NULL)
1004                 (*closefunc)(fout);
1005 null();//       (void) signal(SIGINT, oldintr);
1006         if (oldintp)
1007 null();//               (void) signal(SIGPIPE, oldintp);
1008         (void) gettimeofday(&stop, (struct timezone *)0);
1009         if(closesocket(din)) {
1010                 int iret=WSAGetLastError ();
1011                 fprintf(stdout,"Error closing socket(%d)\n",iret);
1012                 (void) fflush(stdout);
1013         }
1014
1015         (void) getreply(0);
1016         if (bytes > 0 && is_retr)
1017                 ptransfer("received", bytes, &start, &stop);
1018         if (oldtype) {
1019                 if (!debug)
1020                         verbose = 0;
1021                 switch (oldtype) {
1022                         case TYPE_I:
1023                                 setbinary(0, NULL);
1024                                 break;
1025                         case TYPE_E:
1026                                 setebcdic();
1027                                 break;
1028                         case TYPE_L:
1029                                 settenex(0, NULL);
1030                                 break;
1031                 }
1032                 verbose = oldverbose;
1033         }
1034         return;
1035 abort:
1036
1037 /* abort using RFC959 recommended IP,SYNC sequence  */
1038
1039         (void) gettimeofday(&stop, (struct timezone *)0);
1040         if (oldintp)
1041 null();//               (void) signal(SIGPIPE, oldintr);
1042 null();//       (void) signal(SIGINT,SIG_IGN);
1043         if (oldtype) {
1044                 if (!debug)
1045                         verbose = 0;
1046                 switch (oldtype) {
1047                         case TYPE_I:
1048                                 setbinary(0, NULL);
1049                                 break;
1050                         case TYPE_E:
1051                                 setebcdic();
1052                                 break;
1053                         case TYPE_L:
1054                                 settenex(0, NULL);
1055                                 break;
1056                 }
1057                 verbose = oldverbose;
1058         }
1059         if (!cpend) {
1060                 code = -1;
1061 null();//               (void) signal(SIGINT,oldintr);
1062                 return;
1063         }
1064
1065         fprintfSocket(cout,"%c%c",IAC,IP);
1066         msg = (char)IAC;
1067 /* send IAC in urgent mode instead of DM because UNIX places oob mark */
1068 /* after urgent byte rather than before as now is protocol */
1069         if (send(cout,&msg,1,MSG_OOB) != 1) {
1070                 perror("abort");
1071         }
1072         fprintfSocket(cout,"%cABOR\r\n",DM);
1073         FD_ZERO(&mask);
1074         FD_SET(cin, &mask); // Need to correct this
1075         if (din) {
1076                 FD_SET(din, &mask); // Need to correct this
1077         }
1078         if ((nfnd = empty(&mask,10)) <= 0) {
1079                 if (nfnd < 0) {
1080                         perror("abort");
1081                 }
1082                 code = -1;
1083                 lostpeer();
1084         }
1085         if (din && FD_ISSET(din, &mask)) {
1086                 while (recv(din, buf, bufsize, 0) > 0)
1087                         ;
1088         }
1089         if (getreply(0) == ERROR && code == 552) { /* needed for nic style abort */
1090                 if (data >= 0) {
1091                         (void) close(data);
1092                         data = -1;
1093                 }
1094                 (void) getreply(0);
1095         }
1096         (void) getreply(0);
1097         code = -1;
1098         if (data >= 0) {
1099                 (void) close(data);
1100                 data = -1;
1101         }
1102         if (closefunc != NULL && fout != NULL)
1103                 (*closefunc)(fout);
1104         if (din)
1105                 if(closesocket(din)) {
1106                         int iret=WSAGetLastError ();
1107                         fprintf(stdout,"Error closing socket(%d)\n",iret);
1108                         (void) fflush(stdout);
1109                 }
1110
1111         if (bytes > 0)
1112                 ptransfer("received", bytes, &start, &stop);
1113 null();//       (void) signal(SIGINT,oldintr);
1114 }
1115
1116 int
1117 initconn()
1118 {
1119         register char *p, *a;
1120         int result, len, tmpno = 0;
1121         int on = 1;
1122         int a0, a1, a2, a3, p0, p1;
1123
1124
1125         if (passivemode) {
1126                 data = socket(AF_INET, SOCK_STREAM, 0);
1127                 if (data < 0) {
1128                         perror("ftp: socket");
1129                         return(1);
1130                 }
1131                 if ((options & SO_DEBUG) &&
1132                     setsockopt(data, SOL_SOCKET, SO_DEBUG, (char *)&on,
1133                     sizeof (on)) < 0)
1134                         perror("ftp: setsockopt (ignored)");
1135                 if (command("PASV") != COMPLETE) {
1136                         printf("Passive mode refused.\n");
1137                         goto bad;
1138                 }
1139
1140                 /*
1141                  * What we've got at this point is a string of comma
1142                  * separated one-byte unsigned integer values.
1143                  * The first four are the an IP address. The fifth is
1144                  * the MSB of the port number, the sixth is the LSB.
1145                  * From that we'll prepare a sockaddr_in.
1146                  */
1147
1148                 if (sscanf(pasv,"%d,%d,%d,%d,%d,%d",
1149                     &a0, &a1, &a2, &a3, &p0, &p1) != 6) {
1150                         printf("Passive mode address scan failure. Shouldn't happen!\n");
1151                         goto bad;
1152                 }
1153
1154                 bzero(&data_addr, sizeof(data_addr));
1155                 data_addr.sin_family = AF_INET;
1156                 a = (char *)&data_addr.sin_addr.s_addr;
1157                 a[0] = a0 & 0xff;
1158                 a[1] = a1 & 0xff;
1159                 a[2] = a2 & 0xff;
1160                 a[3] = a3 & 0xff;
1161                 p = (char *)&data_addr.sin_port;
1162                 p[0] = p0 & 0xff;
1163                 p[1] = p1 & 0xff;
1164
1165                 if (connect(data, (struct sockaddr *)&data_addr,
1166                     sizeof(data_addr)) < 0) {
1167                         perror("ftp: connect");
1168                         goto bad;
1169                 }
1170                 return(0);
1171         }
1172
1173
1174 noport:
1175         data_addr = myctladdr;
1176         if (sendport)
1177                 data_addr.sin_port = 0; /* let system pick one */
1178         if (data != -1)
1179                 (void) close (data);
1180         data = socket(AF_INET, SOCK_STREAM, 0);
1181         if (data < 0) {
1182                 perror("ftp: socket");
1183                 if (tmpno)
1184                         sendport = 1;
1185                 return (1);
1186         }
1187         if (!sendport)
1188                 if (setsockopt(data, SOL_SOCKET, SO_REUSEADDR, (char *)&on, sizeof (on)) < 0) {
1189                         perror("ftp: setsockopt (reuse address)");
1190                         goto bad;
1191                 }
1192         if (bind(data, (struct sockaddr *)&data_addr, sizeof (data_addr)) < 0) {
1193                 perror("ftp: bind");
1194                 goto bad;
1195         }
1196         if (options & SO_DEBUG &&
1197             setsockopt(data, SOL_SOCKET, SO_DEBUG, (char *)&on, sizeof (on)) < 0)
1198                 perror("ftp: setsockopt (ignored)");
1199         len = sizeof (data_addr);
1200         if (getsockname(data, (struct sockaddr *)&data_addr, &len) < 0) {
1201                 perror("ftp: getsockname");
1202                 goto bad;
1203         }
1204         if (listen(data, 1) < 0)
1205                 perror("ftp: listen");
1206         if (sendport) {
1207                 a = (char *)&data_addr.sin_addr;
1208                 p = (char *)&data_addr.sin_port;
1209 #define UC(b)   (((int)b)&0xff)
1210                 result =
1211                     command("PORT %d,%d,%d,%d,%d,%d",
1212                       UC(a[0]), UC(a[1]), UC(a[2]), UC(a[3]),
1213                       UC(p[0]), UC(p[1]));
1214                 if (result == ERROR && sendport == -1) {
1215                         sendport = 0;
1216                         tmpno = 1;
1217                         goto noport;
1218                 }
1219                 return (result != COMPLETE);
1220         }
1221         if (tmpno)
1222                 sendport = 1;
1223         return (0);
1224 bad:
1225         (void) fflush(stdout);
1226         (void) close(data), data = -1;
1227         if (tmpno)
1228                 sendport = 1;
1229         return (1);
1230 }
1231
1232 int dataconn(const char *mode)
1233 {
1234         struct sockaddr_in from;
1235         int s, fromlen = sizeof (from);
1236
1237         if (passivemode)
1238                 return (data);
1239
1240         s = accept(data, (struct sockaddr *) &from, &fromlen);
1241         if (s < 0) {
1242                 perror("ftp: accept");
1243                 (void) closesocket(data), data = -1;
1244                 return 0;
1245         }
1246         if(closesocket(data)) {
1247                 int iret=WSAGetLastError ();
1248                 fprintf(stdout,"Error closing socket(%d)\n",iret);
1249                 (void) fflush(stdout);
1250         }
1251
1252         data = s;
1253         return (data);
1254 }
1255
1256 void ptransfer(direction, bytes, t0, t1)
1257         const char *direction;
1258         long bytes;
1259         struct timeval *t0, *t1;
1260 {
1261         struct timeval td;
1262         double s, bs;
1263
1264         if (verbose) {
1265                 tvsub(&td, t1, t0);
1266                 s = td.tv_sec + (td.tv_usec / 1000000.);
1267 #define nz(x)   ((x) == 0 ? 1 : (x))
1268                 bs = bytes / nz(s);
1269                 printf("%ld bytes %s in %.1f seconds (%.0f Kbytes/s)\n",
1270                     bytes, direction, s, bs / 1024.);
1271                 (void) fflush(stdout);
1272         }
1273 }
1274
1275 /*tvadd(tsum, t0)
1276         struct timeval *tsum, *t0;
1277 {
1278
1279         tsum->tv_sec += t0->tv_sec;
1280         tsum->tv_usec += t0->tv_usec;
1281         if (tsum->tv_usec > 1000000)
1282                 tsum->tv_sec++, tsum->tv_usec -= 1000000;
1283 } */
1284
1285 void tvsub(tdiff, t1, t0)
1286         struct timeval *tdiff, *t1, *t0;
1287 {
1288
1289         tdiff->tv_sec = t1->tv_sec - t0->tv_sec;
1290         tdiff->tv_usec = t1->tv_usec - t0->tv_usec;
1291         if (tdiff->tv_usec < 0)
1292                 tdiff->tv_sec--, tdiff->tv_usec += 1000000;
1293 }
1294
1295 void psabort(int flag)
1296 {
1297         extern int abrtflag;
1298
1299         abrtflag++;
1300 }
1301
1302 void pswitch(int flag)
1303 {
1304         extern int proxy, abrtflag;
1305         Sig_t oldintr;
1306         static struct comvars {
1307                 int connect;
1308                 char name[MAXHOSTNAMELEN];
1309                 struct sockaddr_in mctl;
1310                 struct sockaddr_in hctl;
1311                 SOCKET in;
1312                 SOCKET out;
1313                 int tpe;
1314                 int cpnd;
1315                 int sunqe;
1316                 int runqe;
1317                 int mcse;
1318                 int ntflg;
1319                 char nti[17];
1320                 char nto[17];
1321                 int mapflg;
1322                 char mi[MAXPATHLEN];
1323                 char mo[MAXPATHLEN];
1324                 } proxstruct, tmpstruct;
1325         struct comvars *ip, *op;
1326
1327         abrtflag = 0;
1328         oldintr = signal(SIGINT, psabort);
1329         if (flag) {
1330                 if (proxy)
1331                         return;
1332                 ip = &tmpstruct;
1333                 op = &proxstruct;
1334                 proxy++;
1335         }
1336         else {
1337                 if (!proxy)
1338                         return;
1339                 ip = &proxstruct;
1340                 op = &tmpstruct;
1341                 proxy = 0;
1342         }
1343         ip->connect = connected;
1344         connected = op->connect;
1345         if (hostname) {
1346                 (void) strncpy(ip->name, hostname, sizeof(ip->name) - 1);
1347                 ip->name[strlen(ip->name)] = '\0';
1348         } else
1349                 ip->name[0] = 0;
1350         hostname = op->name;
1351         ip->hctl = hisctladdr;
1352         hisctladdr = op->hctl;
1353         ip->mctl = myctladdr;
1354         myctladdr = op->mctl;
1355         ip->in = cin;
1356         cin = op->in;
1357         ip->out = cout;
1358         cout = op->out;
1359         ip->tpe = type;
1360         type = op->tpe;
1361         if (!type)
1362                 type = 1;
1363         ip->cpnd = cpend;
1364         cpend = op->cpnd;
1365         ip->sunqe = sunique;
1366         sunique = op->sunqe;
1367         ip->runqe = runique;
1368         runique = op->runqe;
1369         ip->mcse = mcase;
1370         mcase = op->mcse;
1371         ip->ntflg = ntflag;
1372         ntflag = op->ntflg;
1373         (void) strncpy(ip->nti, ntin, 16);
1374         (ip->nti)[strlen(ip->nti)] = '\0';
1375         (void) strcpy(ntin, op->nti);
1376         (void) strncpy(ip->nto, ntout, 16);
1377         (ip->nto)[strlen(ip->nto)] = '\0';
1378         (void) strcpy(ntout, op->nto);
1379         ip->mapflg = mapflag;
1380         mapflag = op->mapflg;
1381         (void) strncpy(ip->mi, mapin, MAXPATHLEN - 1);
1382         (ip->mi)[strlen(ip->mi)] = '\0';
1383         (void) strcpy(mapin, op->mi);
1384         (void) strncpy(ip->mo, mapout, MAXPATHLEN - 1);
1385         (ip->mo)[strlen(ip->mo)] = '\0';
1386         (void) strcpy(mapout, op->mo);
1387 //      (void) signal(SIGINT, oldintr);
1388         if (abrtflag) {
1389                 abrtflag = 0;
1390                 (*oldintr)(1);
1391         }
1392 }
1393
1394 jmp_buf ptabort;
1395 int ptabflg;
1396
1397 #if 0
1398 void
1399 abortpt()
1400 {
1401         printf("\n");
1402         (void) fflush(stdout);
1403         ptabflg++;
1404         mflag = 0;
1405         abrtflag = 0;
1406         longjmp(ptabort, 1);
1407 }
1408 #endif
1409
1410 void proxtrans(cmd, local, remote)
1411         const char *cmd, *local, *remote;
1412 {
1413 //      void (*oldintr)(int);
1414         int tmptype, oldtype = 0, secndflag = 0, nfnd;
1415         extern jmp_buf ptabort;
1416         const char *cmd2;
1417 //      struct
1418         fd_set mask;
1419
1420         if (strcmp(cmd, "RETR"))
1421                 cmd2 = "RETR";
1422         else
1423                 cmd2 = runique ? "STOU" : "STOR";
1424         if (command("PASV") != COMPLETE) {
1425                 printf("proxy server does not support third part transfers.\n");
1426                 (void) fflush(stdout);
1427                 return;
1428         }
1429         tmptype = type;
1430         pswitch(0);
1431         if (!connected) {
1432                 printf("No primary connection\n");
1433                 (void) fflush(stdout);
1434                 pswitch(1);
1435                 code = -1;
1436                 return;
1437         }
1438         if (type != tmptype) {
1439                 oldtype = type;
1440                 switch (tmptype) {
1441                         case TYPE_A:
1442                                 setascii(0, NULL);
1443                                 break;
1444                         case TYPE_I:
1445                                 setbinary(0, NULL);
1446                                 break;
1447                         case TYPE_E:
1448                                 setebcdic();
1449                                 break;
1450                         case TYPE_L:
1451                                 settenex(0, NULL);
1452                                 break;
1453                 }
1454         }
1455         if (command("PORT %s", pasv) != COMPLETE) {
1456                 switch (oldtype) {
1457                         case 0:
1458                                 break;
1459                         case TYPE_A:
1460                                 setascii(0, NULL);
1461                                 break;
1462                         case TYPE_I:
1463                                 setbinary(0, NULL);
1464                                 break;
1465                         case TYPE_E:
1466                                 setebcdic();
1467                                 break;
1468                         case TYPE_L:
1469                                 settenex(0, NULL);
1470                                 break;
1471                 }
1472                 pswitch(1);
1473                 return;
1474         }
1475         if (setjmp(ptabort))
1476                 goto abort;
1477 null();//       oldintr = signal(SIGINT, abortpt);
1478         if (command("%s %s", cmd, remote) != PRELIM) {
1479 null();//               (void) signal(SIGINT, oldintr);
1480                 switch (oldtype) {
1481                         case 0:
1482                                 break;
1483                         case TYPE_A:
1484                                 setascii(0, NULL);
1485                                 break;
1486                         case TYPE_I:
1487                                 setbinary(0, NULL);
1488                                 break;
1489                         case TYPE_E:
1490                                 setebcdic();
1491                                 break;
1492                         case TYPE_L:
1493                                 settenex(0, NULL);
1494                                 break;
1495                 }
1496                 pswitch(1);
1497                 return;
1498         }
1499         sleep(2);
1500         pswitch(1);
1501         secndflag++;
1502         if (command("%s %s", cmd2, local) != PRELIM)
1503                 goto abort;
1504         ptflag++;
1505         (void) getreply(0);
1506         pswitch(0);
1507         (void) getreply(0);
1508 null();//       (void) signal(SIGINT, oldintr);
1509         switch (oldtype) {
1510                 case 0:
1511                         break;
1512                 case TYPE_A:
1513                         setascii(0, NULL);
1514                         break;
1515                 case TYPE_I:
1516                         setbinary(0, NULL);
1517                         break;
1518                 case TYPE_E:
1519                         setebcdic();
1520                         break;
1521                 case TYPE_L:
1522                         settenex(0, NULL);
1523                         break;
1524         }
1525         pswitch(1);
1526         ptflag = 0;
1527         printf("local: %s remote: %s\n", local, remote);
1528         (void) fflush(stdout);
1529         return;
1530 abort:
1531 null();//       (void) signal(SIGINT, SIG_IGN);
1532         ptflag = 0;
1533         if (strcmp(cmd, "RETR") && !proxy)
1534                 pswitch(1);
1535         else if (!strcmp(cmd, "RETR") && proxy)
1536                 pswitch(0);
1537         if (!cpend && !secndflag) {  /* only here if cmd = "STOR" (proxy=1) */
1538                 if (command("%s %s", cmd2, local) != PRELIM) {
1539                         pswitch(0);
1540                         switch (oldtype) {
1541                                 case 0:
1542                                         break;
1543                                 case TYPE_A:
1544                                         setascii(0, NULL);
1545                                         break;
1546                                 case TYPE_I:
1547                                         setbinary(0, NULL);
1548                                         break;
1549                                 case TYPE_E:
1550                                         setebcdic();
1551                                         break;
1552                                 case TYPE_L:
1553                                         settenex(0, NULL);
1554                                         break;
1555                         }
1556                         if (cpend) {
1557                                 char msg[2];
1558
1559                                 fprintfSocket(cout,"%c%c",IAC,IP);
1560                                 *msg = (char) IAC;
1561                                 *(msg+1) = (char) DM;
1562                                 if (send(cout,msg,2,MSG_OOB) != 2)
1563                                         perror("abort");
1564                                 fprintfSocket(cout,"ABOR\r\n");
1565                                 FD_ZERO(&mask);
1566 //                              FD_SET(fileno(cin), &mask); // Chris: Need to correct this
1567                                 if ((nfnd = empty(&mask,10)) <= 0) {
1568                                         if (nfnd < 0) {
1569                                                 perror("abort");
1570                                         }
1571                                         if (ptabflg)
1572                                                 code = -1;
1573                                         lostpeer();
1574                                 }
1575                                 (void) getreply(0);
1576                                 (void) getreply(0);
1577                         }
1578                 }
1579                 pswitch(1);
1580                 if (ptabflg)
1581                         code = -1;
1582 null();//               (void) signal(SIGINT, oldintr);
1583                 return;
1584         }
1585         if (cpend) {
1586                 char msg[2];
1587
1588                 fprintfSocket(cout,"%c%c",IAC,IP);
1589                 *msg = (char)IAC;
1590                 *(msg+1) = (char)DM;
1591                 if (send(cout,msg,2,MSG_OOB) != 2)
1592                         perror("abort");
1593                 fprintfSocket(cout,"ABOR\r\n");
1594                 FD_ZERO(&mask);
1595 //              FD_SET(fileno(cin), &mask); // Chris: Need to correct this...
1596                 if ((nfnd = empty(&mask,10)) <= 0) {
1597                         if (nfnd < 0) {
1598                                 perror("abort");
1599                         }
1600                         if (ptabflg)
1601                                 code = -1;
1602                         lostpeer();
1603                 }
1604                 (void) getreply(0);
1605                 (void) getreply(0);
1606         }
1607         pswitch(!proxy);
1608         if (!cpend && !secndflag) {  /* only if cmd = "RETR" (proxy=1) */
1609                 if (command("%s %s", cmd2, local) != PRELIM) {
1610                         pswitch(0);
1611                         switch (oldtype) {
1612                                 case 0:
1613                                         break;
1614                                 case TYPE_A:
1615                                         setascii(0, NULL);
1616                                         break;
1617                                 case TYPE_I:
1618                                         setbinary(0, NULL);
1619                                         break;
1620                                 case TYPE_E:
1621                                         setebcdic();
1622                                         break;
1623                                 case TYPE_L:
1624                                         settenex(0, NULL);
1625                                         break;
1626                         }
1627                         if (cpend) {
1628                                 char msg[2];
1629
1630                                 fprintfSocket(cout,"%c%c",IAC,IP);
1631                                 *msg = (char)IAC;
1632                                 *(msg+1) = (char)DM;
1633                                 if (send(cout,msg,2,MSG_OOB) != 2)
1634                                         perror("abort");
1635                                 fprintfSocket(cout,"ABOR\r\n");
1636                                 FD_ZERO(&mask);
1637 //                              FD_SET(fileno(cin), &mask); // Chris:
1638                                 if ((nfnd = empty(&mask,10)) <= 0) {
1639                                         if (nfnd < 0) {
1640                                                 perror("abort");
1641                                         }
1642                                         if (ptabflg)
1643                                                 code = -1;
1644                                         lostpeer();
1645                                 }
1646                                 (void) getreply(0);
1647                                 (void) getreply(0);
1648                         }
1649                         pswitch(1);
1650                         if (ptabflg)
1651                                 code = -1;
1652 null();//                       (void) signal(SIGINT, oldintr);
1653                         return;
1654                 }
1655         }
1656         if (cpend) {
1657                 char msg[2];
1658
1659                 fprintfSocket(cout,"%c%c",IAC,IP);
1660                 *msg = (char)IAC;
1661                 *(msg+1) = (char)DM;
1662                 if (send(cout,msg,2,MSG_OOB) != 2)
1663                         perror("abort");
1664                 fprintfSocket(cout,"ABOR\r\n");
1665                 FD_ZERO(&mask);
1666 //              FD_SET(fileno(cin), &mask); // Chris:
1667                 if ((nfnd = empty(&mask,10)) <= 0) {
1668                         if (nfnd < 0) {
1669                                 perror("abort");
1670                         }
1671                         if (ptabflg)
1672                                 code = -1;
1673                         lostpeer();
1674                 }
1675                 (void) getreply(0);
1676                 (void) getreply(0);
1677         }
1678         pswitch(!proxy);
1679         if (cpend) {
1680                 FD_ZERO(&mask);
1681 //              FD_SET(fileno(cin), &mask); // Chris:
1682                 if ((nfnd = empty(&mask,10)) <= 0) {
1683                         if (nfnd < 0) {
1684                                 perror("abort");
1685                         }
1686                         if (ptabflg)
1687                                 code = -1;
1688                         lostpeer();
1689                 }
1690                 (void) getreply(0);
1691                 (void) getreply(0);
1692         }
1693         if (proxy)
1694                 pswitch(0);
1695         switch (oldtype) {
1696                 case 0:
1697                         break;
1698                 case TYPE_A:
1699                         setascii(0, NULL);
1700                         break;
1701                 case TYPE_I:
1702                         setbinary(0, NULL);
1703                         break;
1704                 case TYPE_E:
1705                         setebcdic();
1706                         break;
1707                 case TYPE_L:
1708                         settenex(0, NULL);
1709                         break;
1710         }
1711         pswitch(1);
1712         if (ptabflg)
1713                 code = -1;
1714 null();//       (void) signal(SIGINT, oldintr);
1715 }
1716
1717 void reset(int argc, const char *argv[])
1718 {
1719 //      struct
1720         fd_set mask;
1721         int nfnd = 1;
1722
1723         FD_ZERO(&mask);
1724         while (nfnd > 0) {
1725 //              FD_SET(fileno(cin), &mask); // Chris
1726                 if ((nfnd = empty(&mask,0)) < 0) {
1727                         perror("reset");
1728                         code = -1;
1729                         lostpeer();
1730                 }
1731                 else if (nfnd) {
1732                         (void) getreply(0);
1733                 }
1734         }
1735 }
1736
1737 #if 0
1738 char *
1739 gunique(local)
1740         char *local;
1741 {
1742         static char new[MAXPATHLEN];
1743         char *cp = rindex(local, '/');
1744         int d, count=0;
1745         char ext = '1';
1746
1747         if (cp)
1748                 *cp = '\0';
1749         d = access(cp ? local : ".", 2);
1750         if (cp)
1751                 *cp = '/';
1752         if (d < 0) {
1753                 perror(local);
1754                 return((char *) 0);
1755         }
1756         (void) strcpy(new, local);
1757         cp = new + strlen(new);
1758         *cp++ = '.';
1759         while (!d) {
1760                 if (++count == 100) {
1761                         printf("runique: can't find unique file name.\n");
1762                         (void) fflush(stdout);
1763                         return((char *) 0);
1764                 }
1765                 *cp++ = ext;
1766                 *cp = '\0';
1767                 if (ext == '9')
1768                         ext = '0';
1769                 else
1770                         ext++;
1771                 if ((d = access(new, 0)) < 0)
1772                         break;
1773                 if (ext != '0')
1774                         cp--;
1775                 else if (*(cp - 2) == '.')
1776                         *(cp - 1) = '1';
1777                 else {
1778                         *(cp - 2) = *(cp - 2) + 1;
1779                         cp--;
1780                 }
1781         }
1782         return(new);
1783 }
1784 #endif
1785
1786 int null(void)
1787 {
1788         return 0;
1789 }