reactos/apps/utils/net/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 #include <io.h>
  25
  26 #include <sys/stat.h>
  27
  28 #ifndef _WIN32
  29 #include <sys/param.h>
  30 #include <sys/socket.h>
  31 #include <sys/time.h>
  32 #include <sys/file.h>
  33 #include <sys/ioctl.h>
  34 #include <netinet/in.h>
  35 #include <arpa/ftp.h>
  36 #include <arpa/telnet.h>
  37 #include <pwd.h>
  38 #include <varargs.h>
  39 #include <netdb.h>
  40 #else
  41 #include <winsock.h>
  42 #endif
  43
  44 #include <stdio.h>
  45 #include <signal.h>
  46 #include <errno.h>
  47 #include <fcntl.h>
  48
  49 #include "ftp_var.h"
  50 #include "prototypes.h"
  51 #ifndef MAXHOSTNAMELEN
  52 #define MAXHOSTNAMELEN 64
  53 #endif
  54
  55 #ifdef NOVFPRINTF
  56 #define vfprintf(a,b,c) _doprnt(b,c,a)
  57 #endif
  58
  59 #ifdef sun
  60 /* FD_SET wasn't defined until 4.0. its a cheap test for uid_t  presence */
  61 #ifndef FD_SET
  62 #define NBBY    8               /* number of bits in a byte */
  63 /*
  64  * Select uses bit masks of file descriptors in longs.
  65  * These macros manipulate such bit fields (the filesystem macros use chars).
  66  * FD_SETSIZE may be defined by the user, but the default here
  67  * should be >= NOFILE (param.h).
  68  */
  69 #ifndef FD_SETSIZE
  70 #define FD_SETSIZE      256
  71 #endif
  72
  73 typedef long    fd_mask;
  74 #define NFDBITS (sizeof(fd_mask) * NBBY)        /* bits per mask */
  75 #ifndef howmany
  76 #define howmany(x, y)   (((x)+((y)-1))/(y))
  77 #endif
  78
  79 #define FD_SET(n, p)    ((p)->fds_bits[(n)/NFDBITS] |= (1 << ((n) % NFDBITS)))
  80 #define FD_CLR(n, p)    ((p)->fds_bits[(n)/NFDBITS] &= ~(1 << ((n) % NFDBITS)))
  81 #define FD_ISSET(n, p)  ((p)->fds_bits[(n)/NFDBITS] & (1 << ((n) % NFDBITS)))
  82 #define FD_ZERO(p)      bzero((char *)(p), sizeof(*(p)))
  83
  84 typedef int uid_t;
  85 typedef int gid_t;
  86 #endif
  87 #endif
  88
  89 struct  sockaddr_in hisctladdr;
  90 struct  sockaddr_in data_addr;
  91 int     data = -1;
  92 int     abrtflag = 0;
  93 int     ptflag = 0;
  94 int     allbinary;
  95 struct  sockaddr_in myctladdr;
  96 uid_t   getuid();
  97 sig_t   lostpeer();
  98 off_t   restart_point = 0;
  99
 100 SOCKET cin, cout;
 101 int     dataconn(const char *mode);
 102
 103 int command(const char *fmt, ...);
 104
 105 char *hostname;
 106
 107 typedef void (*Sig_t)(int);
 108
 109 // Signal Handlers
 110
 111 void psabort(int sig);
 112
 113 char *hookup(char *host, int port)
 114 {
 115         register struct hostent *hp = 0;
 116         int len;
 117         SOCKET s;
 118         static char hostnamebuf[80];
 119
 120         bzero((char *)&hisctladdr, sizeof (hisctladdr));
 121         hisctladdr.sin_addr.s_addr = inet_addr(host);
 122         if (hisctladdr.sin_addr.s_addr != (unsigned long)-1) {
 123                 hisctladdr.sin_family = AF_INET;
 124                 (void) strncpy(hostnamebuf, host, sizeof(hostnamebuf));
 125         } else {
 126                 hp = gethostbyname(host);
 127                 if (hp == NULL) {
 128                         fprintf(stderr, "ftp: %s: ", host);
 129                         herror((char *)NULL);
 130                         code = -1;
 131                         return((char *) 0);
 132                 }
 133                 hisctladdr.sin_family = hp->h_addrtype;
 134                 bcopy(hp->h_addr_list[0],
 135                          (caddr_t)&hisctladdr.sin_addr, hp->h_length);
 136                 (void) strncpy(hostnamebuf, hp->h_name, sizeof(hostnamebuf));
 137         }
 138         hostname = hostnamebuf;
 139         s = socket(hisctladdr.sin_family, SOCK_STREAM, 0);
 140         if (s == INVALID_SOCKET) {
 141                 perror("ftp: socket");
 142                 code = -1;
 143                 return (0);
 144         }
 145         hisctladdr.sin_port = port;
 146         while (connect(s, (struct sockaddr *)&hisctladdr, sizeof (hisctladdr)) < 0) {
 147                 if (hp && hp->h_addr_list[1]) {
 148                         int oerrno = errno;
 149
 150                         fprintf(stderr, "ftp: connect to address %s: ",
 151                                 inet_ntoa(hisctladdr.sin_addr));
 152                         errno = oerrno;
 153                         perror((char *) 0);
 154                         hp->h_addr_list++;
 155                         bcopy(hp->h_addr_list[0],
 156                              (caddr_t)&hisctladdr.sin_addr, hp->h_length);
 157                         fprintf(stdout, "Trying %s...\n",
 158                                 inet_ntoa(hisctladdr.sin_addr));
 159                         (void) fflush(stdout);
 160                         (void) close(s);
 161                         s = socket(hisctladdr.sin_family, SOCK_STREAM, 0);
 162                         if (s < 0) {
 163                                 perror("ftp: socket");
 164                                 code = -1;
 165                                 return (0);
 166                         }
 167                         continue;
 168                 }
 169                 perror("ftp: connect");
 170                 code = -1;
 171                 goto bad;
 172         }
 173         len = sizeof (myctladdr);
 174         if (getsockname(s, (struct sockaddr *)&myctladdr, &len) < 0) {
 175                 perror("ftp: getsockname");
 176                 code = -1;
 177                 goto bad;
 178         }
 179         cin = cout = s;
 180         if (verbose) {
 181                 printf("Connected to %s.\n", hostname);
 182                 (void) fflush(stdout);
 183         }
 184         if (getreply(0) > 2) {  /* read startup message from server */
 185            closesocket(cin);
 186            code = -1;
 187            goto bad;
 188         }
 189 #ifdef SO_OOBINLINE
 190         {
 191         int on = 1;
 192
 193         if (setsockopt(s, SOL_SOCKET, SO_OOBINLINE, (const char *) &on, sizeof(on))
 194                 < 0 && debug) {
 195                         perror("ftp: setsockopt");
 196                 }
 197         }
 198 #endif //SO_OOBINLINE
 199
 200         return (hostname);
 201 bad:
 202         (void) close(s);
 203         return ((char *)0);
 204 }
 205
 206 int login(const char *host)
 207 {
 208         char tmp[80];
 209         char *puser, *ppass, *pacct;
 210         const char *user, *pass, *acct;
 211         int n, aflag = 0;
 212
 213         user = pass = acct = 0;
 214         if (ruserpass(host, &puser, &ppass, &pacct) < 0) {
 215                 code = -1;
 216                 return(0);
 217         }
 218         user = puser;
 219         pass = ppass;
 220         acct = pacct;
 221         while (user == NULL) {
 222            const char *myname = "none"; // This needs to become the usename env
 223
 224            if (myname)
 225               printf("Name (%s:%s): ", host, myname);
 226            else
 227               printf("Name (%s): ", host);
 228            (void) fflush(stdout);
 229            (void) fgets(tmp, sizeof(tmp) - 1, stdin);
 230            tmp[strlen(tmp) - 1] = '\0';
 231            if (*tmp == '\0')
 232               user = myname;
 233            else
 234               user = tmp;
 235         }
 236         n = command("USER %s", user);
 237         if (n == CONTINUE) {
 238                 if (pass == NULL)
 239                         pass = getpass("Password:");
 240                 n = command("PASS %s", pass);
 241                 fflush(stdin);
 242         }
 243         if (n == CONTINUE) {
 244                 aflag++;
 245                 acct = getpass("Account:");
 246                 n = command("ACCT %s", acct);
 247         }
 248         if (n != COMPLETE) {
 249                 fprintf(stderr, "Login failed.\n");
 250                 return (0);
 251         }
 252         if (!aflag && acct != NULL)
 253                 (void) command("ACCT %s", acct);
 254         if (proxy)
 255                 return(1);
 256         for (n = 0; n < macnum; ++n) {
 257                 if (!strcmp("init", macros[n].mac_name)) {
 258                         (void) strcpy(line, "$init");
 259                         makeargv();
 260                         domacro(margc, margv);
 261                         break;
 262                 }
 263         }
 264         return (1);
 265 }
 266
 267 static void
 268 cmdabort(int sig)
 269 {
 270         extern jmp_buf ptabort;
 271
 272         printf("\n");
 273         (void) fflush(stdout);
 274         abrtflag++;
 275         if (ptflag)
 276                 longjmp(ptabort,1);
 277 }
 278
 279 /*VARARGS1*/
 280 int command(const char *fmt, ...)
 281 {
 282         va_list ap;
 283         int r;
 284         void (*oldintr)(int), cmdabort(int);
 285
 286         abrtflag = 0;
 287         if (debug) {
 288                 printf("---> ");
 289                 va_start(ap, fmt);
 290                 vfprintf(stdout, fmt, ap);
 291                 va_end(ap);
 292                 printf("\n");
 293                 (void) fflush(stdout);
 294         }
 295         if (cout == (int) NULL) {
 296                 perror ("No control connection for command");
 297                 code = -1;
 298                 return (0);
 299         }
 300         oldintr = signal(SIGINT,cmdabort);
 301         {
 302            char buffer[1024];
 303
 304            va_start(ap, fmt);
 305            vsprintf(buffer, fmt, ap);
 306            va_end(ap);
 307 //DLJ: to work through  firewalls - send the command as a single message
 308                    strcat(buffer,"\r\n");
 309            fprintfSocket(cout, buffer);
 310         }
 311 //DLJ: the following two lines are replaced by the strcat above - seems to
 312 // make it work through firewalls.
 313 //      fprintfSocket(cout, "\r\n");
 314 //      (void) fflush(cout);
 315         cpend = 1;
 316         r = getreply(!strcmp(fmt, "QUIT"));
 317         if (abrtflag && oldintr != SIG_IGN)
 318                 (*oldintr)(SIGINT);
 319 //      (void) signal(SIGINT, oldintr);
 320         return(r);
 321 }
 322
 323 char reply_string[BUFSIZ];              /* last line of previous reply */
 324
 325 #include <ctype.h>
 326
 327 int
 328 getreply(expecteof)
 329         int expecteof;
 330 {
 331         register int c, n;
 332         register int dig;
 333         register char *cp;
 334         int originalcode = 0, continuation = 0;
 335         void (*oldintr)(int), cmdabort(int);
 336         int pflag = 0;
 337         char *pt = pasv;
 338
 339         oldintr = signal(SIGINT,cmdabort);
 340         for (;;) {
 341                 dig = n = code = 0;
 342                 cp = reply_string;
 343                 while ((c = fgetcSocket(cin)) != '\n') {
 344                         if (c == IAC) {     /* handle telnet commands */
 345                                 switch (c = fgetcSocket(cin)) {
 346                                 case WILL:
 347                                 case WONT:
 348                                         c = fgetcSocket(cin);
 349                                         fprintfSocket(cout, "%c%c%c",IAC,DONT,c);
 350                                         break;
 351                                 case DO:
 352                                 case DONT:
 353                                         c = fgetcSocket(cin);
 354                                         fprintfSocket(cout, "%c%c%c",IAC,WONT,c);
 355                                         break;
 356                                 default:
 357                                         break;
 358                                 }
 359                                 continue;
 360                         }
 361                         dig++;
 362                         if (c == EOF) {
 363                                 if (expecteof) {
 364 //                                      (void) signal(SIGINT,oldintr);
 365                                         code = 221;
 366                                         return (0);
 367                                 }
 368                                 lostpeer();
 369                                 if (verbose) {
 370                                         printf("421 Service not available, remote server has closed connection\n");
 371                                         (void) fflush(stdout);
 372                                 }
 373                                 code = 421;
 374                                 return(4);
 375                         }
 376                         if (c != '\r' && (verbose > 0 ||
 377                             (verbose > -1 && n == '5' && dig > 4))) {
 378                                 if (proxflag &&
 379                                    ((dig == 1 || dig == 5) && verbose == 0))
 380                                         printf("%s:",hostname);
 381                                 (void) putchar(c);
 382                                 (void) fflush(stdout);
 383                         }
 384                         if (dig < 4 && isdigit(c))
 385                                 code = code * 10 + (c - '0');
 386                         if (!pflag && code == 227)
 387                                 pflag = 1;
 388                         if (dig > 4 && pflag == 1 && isdigit(c))
 389                                 pflag = 2;
 390                         if (pflag == 2) {
 391                                 if (c != '\r' && c != ')')
 392                                         *pt++ = c;
 393                                 else {
 394                                         *pt = '\0';
 395                                         pflag = 3;
 396                                 }
 397                         }
 398                         if (dig == 4 && c == '-') {
 399                                 if (continuation)
 400                                         code = 0;
 401                                 continuation++;
 402                         }
 403                         if (n == 0)
 404                                 n = c;
 405                         if (cp < &reply_string[sizeof(reply_string) - 1])
 406                                 *cp++ = c;
 407                 }
 408                 if (verbose > 0 || (verbose > -1 && n == '5')) {
 409                         (void) putchar(c);
 410                         (void) fflush (stdout);
 411                 }
 412                 if (continuation && code != originalcode) {
 413                         if (originalcode == 0)
 414                                 originalcode = code;
 415                         continue;
 416                 }
 417                 *cp = '\0';
 418                 if (n != '1')
 419                         cpend = 0;
 420                 (void) signal(SIGINT,oldintr);
 421                 if (code == 421 || originalcode == 421)
 422                         lostpeer();
 423                 if (abrtflag && oldintr != cmdabort && oldintr != SIG_IGN)
 424                         (*oldintr)(SIGINT);
 425                 return (n - '0');
 426         }
 427 }
 428
 429 static int
 430 empty(mask, sec)
 431         struct fd_set *mask;
 432         int sec;
 433 {
 434         struct timeval t;
 435
 436         t.tv_sec = (long) sec;
 437         t.tv_usec = 0;
 438         return(select(32, mask, (struct fd_set *) 0, (struct fd_set *) 0, &t));
 439 }
 440
 441 jmp_buf sendabort;
 442
 443 #if 0
 444 void abortsend()
 445 {
 446
 447         mflag = 0;
 448         abrtflag = 0;
 449         printf("\nsend aborted\n");
 450         (void) fflush(stdout);
 451         longjmp(sendabort, 1);
 452 }
 453 #endif
 454
 455 #define HASHBYTES 1024
 456
 457 void sendrequest(const char *cmd, const char *local, const char *remote, int printnames)
 458 {
 459         FILE *fin;
 460         int dout = 0;
 461         int (*closefunc)(), _pclose(), fclose();
 462         sig_t (*oldintr)(), (*oldintp)();
 463         char buf[BUFSIZ], *bufp;
 464         long bytes = 0, hashbytes = HASHBYTES;
 465         register int c, d;
 466         struct stat st;
 467         struct timeval start, stop;
 468         const char *mode;
 469
 470         if (verbose && printnames) {
 471                 if (local && *local != '-')
 472                         printf("local: %s ", local);
 473                 if (remote)
 474                         printf("remote: %s\n", remote);
 475                 (void) fflush(stdout);
 476         }
 477         if (proxy) {
 478                 proxtrans(cmd, local, remote);
 479                 return;
 480         }
 481         closefunc = NULL;
 482         oldintr = NULL;
 483         oldintp = NULL;
 484         mode = "w";
 485         if (setjmp(sendabort)) {
 486                 while (cpend) {
 487                         (void) getreply(0);
 488                 }
 489                 if (data >= 0) {
 490                         (void) close(data);
 491                         data = -1;
 492                 }
 493                 if (oldintr)
 494 null();//                       (void) signal(SIGINT,oldintr);
 495                 if (oldintp)
 496 null();//                       (void) signal(SIGPIPE,oldintp);
 497                 code = -1;
 498                 return;
 499         }
 500 null();//       oldintr = signal(SIGINT, abortsend);
 501         if (strcmp(local, "-") == 0)
 502                 fin = stdin;
 503         else if (*local == '|') {
 504 null();//               oldintp = signal(SIGPIPE,SIG_IGN);
 505                 fin = _popen(local + 1, "r");
 506                 if (fin == NULL) {
 507                         perror(local + 1);
 508 null();//                       (void) signal(SIGINT, oldintr);
 509 null();//                       (void) signal(SIGPIPE, oldintp);
 510                         code = -1;
 511                         return;
 512                 }
 513                 closefunc = _pclose;
 514         } else {
 515                 fin = fopen(local, "r");
 516                 if (fin == NULL) {
 517                         perror(local);
 518 null();//                       (void) signal(SIGINT, oldintr);
 519                         code = -1;
 520                         return;
 521                 }
 522                 closefunc = fclose;
 523                 if (fstat(fileno(fin), &st) < 0 ||
 524                     (st.st_mode&S_IFMT) != S_IFREG) {
 525                         fprintf(stdout, "%s: not a plain file.\n", local);
 526                         (void) fflush(stdout);
 527 null();//                       (void) signal(SIGINT, oldintr);
 528                         fclose(fin);
 529                         code = -1;
 530                         return;
 531                 }
 532         }
 533         if (initconn()) {
 534 null();//               (void) signal(SIGINT, oldintr);
 535                 if (oldintp)
 536 null();//                       (void) signal(SIGPIPE, oldintp);
 537                 code = -1;
 538                 if (closefunc != NULL)
 539                         (*closefunc)(fin);
 540                 return;
 541         }
 542         if (setjmp(sendabort))
 543                 goto abort;
 544
 545         if (restart_point &&
 546             (strcmp(cmd, "STOR") == 0 || strcmp(cmd, "APPE") == 0)) {
 547                 if (fseek(fin, (long) restart_point, 0) < 0) {
 548                         perror(local);
 549                         restart_point = 0;
 550                         if (closefunc != NULL)
 551                                 (*closefunc)(fin);
 552                         return;
 553                 }
 554                 if (command("REST %ld", (long) restart_point)
 555                         != CONTINUE) {
 556                         restart_point = 0;
 557                         if (closefunc != NULL)
 558                                 (*closefunc)(fin);
 559                         return;
 560                 }
 561                 restart_point = 0;
 562                 mode = "r+w";
 563         }
 564         if (remote) {
 565                 if (command("%s %s", cmd, remote) != PRELIM) {
 566 null();//                       (void) signal(SIGINT, oldintr);
 567                         if (oldintp)
 568 null();//                               (void) signal(SIGPIPE, oldintp);
 569                         if (closefunc != NULL)
 570                                 (*closefunc)(fin);
 571                         return;
 572                 }
 573         } else
 574                 if (command("%s", cmd) != PRELIM) {
 575 null();//                       (void) signal(SIGINT, oldintr);
 576                         if (oldintp)
 577 null();//                               (void) signal(SIGPIPE, oldintp);
 578                         if (closefunc != NULL)
 579                                 (*closefunc)(fin);
 580                         return;
 581                 }
 582         dout = dataconn(mode);
 583         if (dout == (int)NULL)
 584                 goto abort;
 585         (void) gettimeofday(&start, (struct timezone *)0);
 586 null();//       oldintp = signal(SIGPIPE, SIG_IGN);
 587         switch (type) {
 588
 589         case TYPE_I:
 590         case TYPE_L:
 591                 errno = d = 0;
 592                 while ((c = read(fileno(fin), buf, sizeof (buf))) > 0) {
 593                         bytes += c;
 594                         for (bufp = buf; c > 0; c -= d, bufp += d)
 595                                 if ((d = send(dout, bufp, c, 0)) <= 0)
 596                                         break;
 597                         if (hash) {
 598                                 while (bytes >= hashbytes) {
 599                                         (void) putchar('#');
 600                                         hashbytes += HASHBYTES;
 601                                 }
 602                                 (void) fflush(stdout);
 603                         }
 604                 }
 605                 if (hash && bytes > 0) {
 606                         if (bytes < HASHBYTES)
 607                                 (void) putchar('#');
 608                         (void) putchar('\n');
 609                         (void) fflush(stdout);
 610                 }
 611                 if (c < 0)
 612                         perror(local);
 613                 if (d <= 0) {
 614                         if (d == 0)
 615                                 fprintf(stderr, "netout: write returned 0?\n");
 616                         else if (errno != EPIPE)
 617                                 perror("netout");
 618                         bytes = -1;
 619                 }
 620                 break;
 621
 622         case TYPE_A:
 623                 {
 624         char buf[1024];
 625                 static int bufsize = 1024;
 626                 int ipos=0;
 627
 628                 while ((c = getc(fin)) != EOF) {
 629                    if (c == '\n') {
 630                       while (hash && (bytes >= hashbytes)) {
 631                          (void) putchar('#');
 632                          (void) fflush(stdout);
 633                          hashbytes += HASHBYTES;
 634                       }
 635 // Szurgot: The following code is unncessary on Win32.
 636 //                      (void) fputcSocket(dout, '\r');
 637 //                         bytes++;
 638                    }
 639
 640                                    if (ipos >= bufsize) {
 641                                                 fputSocket(dout,buf,ipos);
 642                                                 if(!hash) (void) putchar('.');
 643                                                 ipos=0;
 644                                    }
 645                                    buf[ipos]=c; ++ipos;
 646                                    bytes++;
 647                 }
 648                 if (ipos) {
 649                         fputSocket(dout,buf,ipos);
 650                         ipos=0;
 651                 }
 652                 if (hash) {
 653                    if (bytes < hashbytes)
 654                       (void) putchar('#');
 655                    (void) putchar('\n');
 656                    (void) fflush(stdout);
 657                 }
 658                 else {
 659                         (void) putchar('.');
 660                         (void) putchar('\n');
 661                         (void) fflush(stdout);
 662                 }
 663                 if (ferror(fin))
 664                    perror(local);
 665 //              if (ferror(dout)) {
 666 //                      if (errno != EPIPE)
 667 //                              perror("netout");
 668 //                      bytes = -1;
 669 //              }
 670                 break;
 671                 }
 672         }
 673         (void) gettimeofday(&stop, (struct timezone *)0);
 674         if (closefunc != NULL)
 675                 (*closefunc)(fin);
 676         if(closesocket(dout)) {
 677                 int iret=WSAGetLastError ();
 678                 fprintf(stdout,"Error closing socket(%d)\n",iret);
 679                 (void) fflush(stdout);
 680         }
 681         (void) getreply(0);
 682 null();//       (void) signal(SIGINT, oldintr);
 683         if (oldintp)
 684 null();//               (void) signal(SIGPIPE, oldintp);
 685         if (bytes > 0)
 686                 ptransfer("sent", bytes, &start, &stop);
 687         return;
 688 abort:
 689         (void) gettimeofday(&stop, (struct timezone *)0);
 690 null();//       (void) signal(SIGINT, oldintr);
 691         if (oldintp)
 692 null();//               (void) signal(SIGPIPE, oldintp);
 693         if (!cpend) {
 694                 code = -1;
 695                 return;
 696         }
 697         if (data >= 0) {
 698                 (void) close(data);
 699                 data = -1;
 700         }
 701         if (dout)
 702                 if(closesocket(dout)) {
 703                         int iret=WSAGetLastError ();
 704                         fprintf(stdout,"Error closing socket(%d)\n",iret);
 705                         (void) fflush(stdout);
 706                 }
 707
 708         (void) getreply(0);
 709         code = -1;
 710         if (closefunc != NULL && fin != NULL)
 711                 (*closefunc)(fin);
 712         if (bytes > 0)
 713                 ptransfer("sent", bytes, &start, &stop);
 714 }
 715
 716 jmp_buf recvabort;
 717
 718 #if 0
 719 void abortrecv()
 720 {
 721
 722         mflag = 0;
 723         abrtflag = 0;
 724         printf("\n");
 725         (void) fflush(stdout);
 726         longjmp(recvabort, 1);
 727 }
 728 #endif
 729
 730 void recvrequest(const char *cmd, const char *local, const char *remote, const char *mode,
 731                 int printnames)
 732 {
 733         FILE *fout = stdout;
 734         int din = 0;
 735         int (*closefunc)(), _pclose(), fclose();
 736         void (*oldintr)(int), (*oldintp)(int);
 737         int oldverbose = 0, oldtype = 0, is_retr, tcrflag, nfnd, bare_lfs = 0;
 738         char msg;
 739 //      static char *buf; // Szurgot: Shouldn't this go SOMEWHERE?
 740         char buf[1024];
 741         static int bufsize = 1024;
 742         long bytes = 0, hashbytes = HASHBYTES;
 743 //      struct
 744                 fd_set mask;
 745         register int c, d;
 746         struct timeval start, stop;
 747 //      struct stat st;
 748         extern void *malloc();
 749
 750         is_retr = strcmp(cmd, "RETR") == 0;
 751         if (is_retr && verbose && printnames) {
 752                 if (local && *local != '-')
 753                         printf("local: %s ", local);
 754                 if (remote)
 755                         printf("remote: %s\n", remote);
 756                 (void) fflush(stdout);
 757         }
 758         if (proxy && is_retr) {
 759                 proxtrans(cmd, local, remote);
 760                 return;
 761         }
 762         closefunc = NULL;
 763         oldintr = NULL;
 764         oldintp = NULL;
 765         tcrflag = !crflag && is_retr;
 766         if (setjmp(recvabort)) {
 767                 while (cpend) {
 768                         (void) getreply(0);
 769                 }
 770                 if (data >= 0) {
 771                         (void) close(data);
 772                         data = -1;
 773                 }
 774                 if (oldintr)
 775 null();//                       (void) signal(SIGINT, oldintr);
 776                 code = -1;
 777                 return;
 778         }
 779 null();//       oldintr = signal(SIGINT, abortrecv);
 780         if (strcmp(local, "-") && *local != '|') {
 781 #ifndef __WIN32__
 782 // This whole thing is a problem... access Won't work on non-existent files
 783            if (access(local, 2) < 0) {
 784               char *dir = rindex(local, '/');
 785
 786               if (errno != ENOENT && errno != EACCES) {
 787                  perror(local);
 788                  (void) signal(SIGINT, oldintr);
 789                  code = -1;
 790                  return;
 791               }
 792               if (dir != NULL)
 793                  *dir = 0;
 794               d = access(dir ? local : ".", 2);
 795               if (dir != NULL)
 796                  *dir = '/';
 797               if (d < 0) {
 798                  perror(local);
 799                  (void) signal(SIGINT, oldintr);
 800                  code = -1;
 801                  return;
 802               }
 803               if (!runique && errno == EACCES &&
 804                   chmod(local, 0600) < 0) {
 805                  perror(local);
 806                  (void) signal(SIGINT, oldintr);
 807                  code = -1;
 808                  return;
 809               }
 810               if (runique && errno == EACCES &&
 811                   (local = gunique(local)) == NULL) {
 812                  (void) signal(SIGINT, oldintr);
 813                  code = -1;
 814                  return;
 815               }
 816            }
 817            else if (runique && (local = gunique(local)) == NULL) {
 818               (void) signal(SIGINT, oldintr);
 819               code = -1;
 820               return;
 821            }
 822 #endif
 823         }
 824         if (initconn()) {
 825 null();//               (void) signal(SIGINT, oldintr);
 826                 code = -1;
 827                 return;
 828         }
 829         if (setjmp(recvabort))
 830                 goto abort;
 831         if (!is_retr) {
 832                 if (type != TYPE_A && (allbinary == 0 || type != TYPE_I)) {
 833                         oldtype = type;
 834                         oldverbose = verbose;
 835                         if (!debug)
 836                                 verbose = 0;
 837                         setascii();
 838                         verbose = oldverbose;
 839                 }
 840         } else if (restart_point) {
 841                 if (command("REST %ld", (long) restart_point) != CONTINUE)
 842                         return;
 843         }
 844         if (remote) {
 845                 if (command("%s %s", cmd, remote) != 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();
 853                                                 break;
 854                                         case TYPE_E:
 855                                                 setebcdic();
 856                                                 break;
 857                                         case TYPE_L:
 858                                                 settenex();
 859                                                 break;
 860                                 }
 861                                 verbose = oldverbose;
 862                         }
 863                         return;
 864                 }
 865         } else {
 866                 if (command("%s", cmd) != PRELIM) {
 867 null();//                       (void) signal(SIGINT, oldintr);
 868                         if (oldtype) {
 869                                 if (!debug)
 870                                         verbose = 0;
 871                                 switch (oldtype) {
 872                                         case TYPE_I:
 873                                                 setbinary();
 874                                                 break;
 875                                         case TYPE_E:
 876                                                 setebcdic();
 877                                                 break;
 878                                         case TYPE_L:
 879                                                 settenex();
 880                                                 break;
 881                                 }
 882                                 verbose = oldverbose;
 883                         }
 884                         return;
 885                 }
 886         }
 887         din = dataconn("r");
 888         if (din == (int)NULL)
 889                 goto abort;
 890         if (strcmp(local, "-") == 0)
 891                 fout = stdout;
 892         else if (*local == '|') {
 893 null();//               oldintp = signal(SIGPIPE, SIG_IGN);
 894                 fout = _popen(local + 1, "w");
 895                 if (fout == NULL) {
 896                         perror(local+1);
 897                         goto abort;
 898                 }
 899                 closefunc = _pclose;
 900         } else {
 901                 fout = fopen(local, mode);
 902                 if (fout == NULL) {
 903                         perror(local);
 904                         goto abort;
 905                 }
 906                 closefunc = fclose;
 907         }
 908         (void) gettimeofday(&start, (struct timezone *)0);
 909         switch (type) {
 910
 911         case TYPE_I:
 912         case TYPE_L:
 913                 if (restart_point &&
 914                     lseek(fileno(fout), (long) restart_point, L_SET) < 0) {
 915                         perror(local);
 916                         if (closefunc != NULL)
 917                                 (*closefunc)(fout);
 918                         return;
 919                 }
 920                 errno = d = 0;
 921 //              while ((c = recv(din, buf, bufsize, 1)) > 0) {
 922 //                      if ((d = write(fileno(fout), buf, c)) != c)
 923 //                      if ((d = write(fileno(fout), buf, c)) != c)
 924 //                              break;
 925                 while ((c = recv(din, buf, bufsize, 0)) > 0) {
 926                    write(fileno(fout), buf, c);
 927                    bytes += c;
 928                    if (hash) {
 929                       while (bytes >= hashbytes) {
 930                          (void) putchar('#');
 931                          hashbytes += HASHBYTES;
 932                       }
 933                       (void) fflush(stdout);
 934                    }
 935                 }
 936                 if (hash && bytes > 0) {
 937                         if (bytes < HASHBYTES)
 938                                 (void) putchar('#');
 939                         (void) putchar('\n');
 940                         (void) fflush(stdout);
 941                 }
 942 //              if (c < 0) {
 943 //                      if (errno != EPIPE)
 944 //                              perror("netin");
 945 //                      bytes = -1;
 946 //              }
 947 //              if (d < c) {
 948 //                      if (d < 0)
 949 //                              perror(local);
 950 //                      else
 951 //                              fprintf(stderr, "%s: short write\n", local);
 952 //              }
 953                 break;
 954
 955         case TYPE_A:
 956                 if (restart_point) {
 957                         register int i, n, c;
 958
 959                         if (fseek(fout, 0L, L_SET) < 0)
 960                                 goto done;
 961                         n = restart_point;
 962                         i = 0;
 963                         while (i++ < n) {
 964                                 if ((c=getc(fout)) == EOF)
 965                                         goto done;
 966                                 if (c == '\n')
 967                                         i++;
 968                         }
 969                         if (fseek(fout, 0L, L_INCR) < 0) {
 970 done:
 971                                 perror(local);
 972                                 if (closefunc != NULL)
 973                                         (*closefunc)(fout);
 974                                 return;
 975                         }
 976                 }
 977                 while ((c = fgetcSocket(din)) != EOF) {
 978                         if (c == '\n')
 979                                 bare_lfs++;
 980                         while (c == '\r') {
 981                            while (hash && (bytes >= hashbytes)) {
 982                               (void) putchar('#');
 983                               (void) fflush(stdout);
 984                               hashbytes += HASHBYTES;
 985                            }
 986                            bytes++;
 987                            if ((c = fgetcSocket(din)) != '\n' || tcrflag) {
 988                               if (ferror(fout))
 989                                  goto break2;
 990                               (void) putc('\r', fout);
 991                               if (c == '\0') {
 992                                  bytes++;
 993                                  goto contin2;
 994                               }
 995                               if (c == EOF)
 996                                  goto contin2;
 997                            }
 998                         }
 999                         (void) putc(c, fout);
1000                         bytes++;
1001         contin2:        ;
1002                 }
1003 break2:
1004                 if (bare_lfs) {
1005                         printf("WARNING! %d bare linefeeds received in ASCII mode\n", bare_lfs);
1006                         printf("File may not have transferred correctly.\n");
1007                         (void) fflush(stdout);
1008                 }
1009                 if (hash) {
1010                         if (bytes < hashbytes)
1011                                 (void) putchar('#');
1012                         (void) putchar('\n');
1013                         (void) fflush(stdout);
1014                 }
1015 //              if (ferror(din)) {
1016 //                      if (errno != EPIPE)
1017 //                              perror("netin");
1018 //                      bytes = -1;
1019 //              }
1020                 if (ferror(fout))
1021                         perror(local);
1022                 break;
1023         }
1024         if (closefunc != NULL)
1025                 (*closefunc)(fout);
1026 null();//       (void) signal(SIGINT, oldintr);
1027         if (oldintp)
1028 null();//               (void) signal(SIGPIPE, oldintp);
1029         (void) gettimeofday(&stop, (struct timezone *)0);
1030         if(closesocket(din)) {
1031                 int iret=WSAGetLastError ();
1032                 fprintf(stdout,"Error closing socket(%d)\n",iret);
1033                 (void) fflush(stdout);
1034         }
1035
1036         (void) getreply(0);
1037         if (bytes > 0 && is_retr)
1038                 ptransfer("received", bytes, &start, &stop);
1039         if (oldtype) {
1040                 if (!debug)
1041                         verbose = 0;
1042                 switch (oldtype) {
1043                         case TYPE_I:
1044                                 setbinary();
1045                                 break;
1046                         case TYPE_E:
1047                                 setebcdic();
1048                                 break;
1049                         case TYPE_L:
1050                                 settenex();
1051                                 break;
1052                 }
1053                 verbose = oldverbose;
1054         }
1055         return;
1056 abort:
1057
1058 /* abort using RFC959 recommended IP,SYNC sequence  */
1059
1060         (void) gettimeofday(&stop, (struct timezone *)0);
1061         if (oldintp)
1062 null();//               (void) signal(SIGPIPE, oldintr);
1063 null();//       (void) signal(SIGINT,SIG_IGN);
1064         if (oldtype) {
1065                 if (!debug)
1066                         verbose = 0;
1067                 switch (oldtype) {
1068                         case TYPE_I:
1069                                 setbinary();
1070                                 break;
1071                         case TYPE_E:
1072                                 setebcdic();
1073                                 break;
1074                         case TYPE_L:
1075                                 settenex();
1076                                 break;
1077                 }
1078                 verbose = oldverbose;
1079         }
1080         if (!cpend) {
1081                 code = -1;
1082 null();//               (void) signal(SIGINT,oldintr);
1083                 return;
1084         }
1085
1086         fprintfSocket(cout,"%c%c",IAC,IP);
1087         msg = (char)IAC;
1088 /* send IAC in urgent mode instead of DM because UNIX places oob mark */
1089 /* after urgent byte rather than before as now is protocol            */
1090         if (send(cout,&msg,1,MSG_OOB) != 1) {
1091                 perror("abort");
1092         }
1093         fprintfSocket(cout,"%cABOR\r\n",DM);
1094         FD_ZERO(&mask);
1095         FD_SET(cin, &mask); // Need to correct this
1096         if (din) {
1097                 FD_SET(din, &mask); // Need to correct this
1098         }
1099         if ((nfnd = empty(&mask,10)) <= 0) {
1100                 if (nfnd < 0) {
1101                         perror("abort");
1102                 }
1103                 code = -1;
1104                 lostpeer();
1105         }
1106         if (din && FD_ISSET(din, &mask)) {
1107                 while ((c = recv(din, buf, bufsize, 0)) > 0)
1108                         ;
1109         }
1110         if ((c = getreply(0)) == ERROR && code == 552) { /* needed for nic style abort */
1111                 if (data >= 0) {
1112                         (void) close(data);
1113                         data = -1;
1114                 }
1115                 (void) getreply(0);
1116         }
1117         (void) getreply(0);
1118         code = -1;
1119         if (data >= 0) {
1120                 (void) close(data);
1121                 data = -1;
1122         }
1123         if (closefunc != NULL && fout != NULL)
1124                 (*closefunc)(fout);
1125         if (din)
1126                 if(closesocket(din)) {
1127                         int iret=WSAGetLastError ();
1128                         fprintf(stdout,"Error closing socket(%d)\n",iret);
1129                         (void) fflush(stdout);
1130                 }
1131
1132         if (bytes > 0)
1133                 ptransfer("received", bytes, &start, &stop);
1134 null();//       (void) signal(SIGINT,oldintr);
1135 }
1136
1137 /*
1138  * Need to start a listen on the data channel
1139  * before we send the command, otherwise the
1140  * server's connect may fail.
1141  */
1142 int sendport = -1;
1143
1144 int
1145 initconn()
1146 {
1147         register char *p, *a;
1148         int result, len, tmpno = 0;
1149         int on = 1;
1150         int a0, a1, a2, a3, p0, p1;
1151
1152
1153         if (passivemode) {
1154       data = socket(AF_INET, SOCK_STREAM, 0);
1155       if (data < 0) {
1156         perror("ftp: socket");
1157         return(1);
1158       }
1159       if ((options & SO_DEBUG) &&
1160           setsockopt(data, SOL_SOCKET, SO_DEBUG, (char *)&on,
1161                      sizeof (on)) < 0)
1162         perror("ftp: setsockopt (ignored)");
1163       if (command("PASV") != COMPLETE) {
1164         printf("Passive mode refused.\n");
1165         goto bad;
1166       }
1167
1168       /*
1169        * What we've got at this point is a string of comma
1170        * separated one-byte unsigned integer values.
1171        * The first four are the an IP address. The fifth is
1172        * the MSB of the port number, the sixth is the LSB.
1173        * From that we'll prepare a sockaddr_in.
1174        */
1175
1176       if (sscanf(pasv,"%d,%d,%d,%d,%d,%d",
1177                  &a0, &a1, &a2, &a3, &p0, &p1) != 6) {
1178         printf("Passive mode address scan failure. Shouldn't happen!\n");
1179         goto bad;
1180       }
1181
1182       bzero(&data_addr, sizeof(data_addr));
1183       data_addr.sin_family = AF_INET;
1184       a = (char *)&data_addr.sin_addr.s_addr;
1185       a[0] = a0 & 0xff;
1186       a[1] = a1 & 0xff;
1187       a[2] = a2 & 0xff;
1188       a[3] = a3 & 0xff;
1189       p = (char *)&data_addr.sin_port;
1190       p[0] = p0 & 0xff;
1191       p[1] = p1 & 0xff;
1192
1193       if (connect(data, (struct sockaddr *)&data_addr,
1194                   sizeof(data_addr)) < 0) {
1195         perror("ftp: connect");
1196         goto bad;
1197       }
1198       return(0);
1199         }
1200
1201
1202 noport:
1203         data_addr = myctladdr;
1204         if (sendport)
1205                 data_addr.sin_port = 0; /* let system pick one */
1206         if (data != -1)
1207                 (void) close (data);
1208         data = socket(AF_INET, SOCK_STREAM, 0);
1209         if (data < 0) {
1210                 perror("ftp: socket");
1211                 if (tmpno)
1212                         sendport = 1;
1213                 return (1);
1214         }
1215         if (!sendport)
1216                 if (setsockopt(data, SOL_SOCKET, SO_REUSEADDR, (char *)&on, sizeof (on)) < 0) {
1217                         perror("ftp: setsockopt (reuse address)");
1218                         goto bad;
1219                 }
1220         if (bind(data, (struct sockaddr *)&data_addr, sizeof (data_addr)) < 0) {
1221                 perror("ftp: bind");
1222                 goto bad;
1223         }
1224         if (options & SO_DEBUG &&
1225             setsockopt(data, SOL_SOCKET, SO_DEBUG, (char *)&on, sizeof (on)) < 0)
1226                 perror("ftp: setsockopt (ignored)");
1227         len = sizeof (data_addr);
1228         if (getsockname(data, (struct sockaddr *)&data_addr, &len) < 0) {
1229                 perror("ftp: getsockname");
1230                 goto bad;
1231         }
1232         if (listen(data, 1) < 0)
1233                 perror("ftp: listen");
1234         if (sendport) {
1235                 a = (char *)&data_addr.sin_addr;
1236                 p = (char *)&data_addr.sin_port;
1237 #define UC(b)   (((int)b)&0xff)
1238                 result =
1239                     command("PORT %d,%d,%d,%d,%d,%d",
1240                       UC(a[0]), UC(a[1]), UC(a[2]), UC(a[3]),
1241                       UC(p[0]), UC(p[1]));
1242                 if (result == ERROR && sendport == -1) {
1243                         sendport = 0;
1244                         tmpno = 1;
1245                         goto noport;
1246                 }
1247                 return (result != COMPLETE);
1248         }
1249         if (tmpno)
1250                 sendport = 1;
1251         return (0);
1252 bad:
1253         (void) fflush(stdout);
1254         (void) close(data), data = -1;
1255         if (tmpno)
1256                 sendport = 1;
1257         return (1);
1258 }
1259
1260 int dataconn(const char *mode)
1261 {
1262    struct sockaddr_in from;
1263    int s, fromlen = sizeof (from);
1264
1265    if (passivemode)
1266      return (data);
1267
1268    s = accept(data, (struct sockaddr *) &from, &fromlen);
1269    if (s < 0) {
1270       perror("ftp: accept");
1271       (void) closesocket(data), data = -1;
1272       return (int) (NULL);
1273    }
1274         if(closesocket(data)) {
1275                 int iret=WSAGetLastError ();
1276                 fprintf(stdout,"Error closing socket(%d)\n",iret);
1277                 (void) fflush(stdout);
1278         }
1279
1280    data = s;
1281    return (data);
1282 }
1283
1284 void ptransfer(direction, bytes, t0, t1)
1285         const char *direction;
1286         long bytes;
1287         struct timeval *t0, *t1;
1288 {
1289         struct timeval td;
1290         double s, bs;
1291
1292         if (verbose) {
1293                 tvsub(&td, t1, t0);
1294                 s = td.tv_sec + (td.tv_usec / 1000000.);
1295 #define nz(x)   ((x) == 0 ? 1 : (x))
1296                 bs = bytes / nz(s);
1297                 printf("%ld bytes %s in %.1f seconds (%.0f Kbytes/s)\n",
1298                     bytes, direction, s, bs / 1024.);
1299                 (void) fflush(stdout);
1300         }
1301 }
1302
1303 /*tvadd(tsum, t0)
1304         struct timeval *tsum, *t0;
1305 {
1306
1307         tsum->tv_sec += t0->tv_sec;
1308         tsum->tv_usec += t0->tv_usec;
1309         if (tsum->tv_usec > 1000000)
1310                 tsum->tv_sec++, tsum->tv_usec -= 1000000;
1311 } */
1312
1313 void tvsub(tdiff, t1, t0)
1314         struct timeval *tdiff, *t1, *t0;
1315 {
1316
1317         tdiff->tv_sec = t1->tv_sec - t0->tv_sec;
1318         tdiff->tv_usec = t1->tv_usec - t0->tv_usec;
1319         if (tdiff->tv_usec < 0)
1320                 tdiff->tv_sec--, tdiff->tv_usec += 1000000;
1321 }
1322
1323 void psabort(int flag)
1324 {
1325         extern int abrtflag;
1326
1327         abrtflag++;
1328 }
1329
1330 void pswitch(int flag)
1331 {
1332         extern int proxy, abrtflag;
1333         Sig_t oldintr;
1334         static struct comvars {
1335                 int connect;
1336                 char name[MAXHOSTNAMELEN];
1337                 struct sockaddr_in mctl;
1338                 struct sockaddr_in hctl;
1339                 SOCKET in;
1340                 SOCKET out;
1341                 int tpe;
1342                 int cpnd;
1343                 int sunqe;
1344                 int runqe;
1345                 int mcse;
1346                 int ntflg;
1347                 char nti[17];
1348                 char nto[17];
1349                 int mapflg;
1350                 char mi[MAXPATHLEN];
1351                 char mo[MAXPATHLEN];
1352                 } proxstruct, tmpstruct;
1353         struct comvars *ip, *op;
1354
1355         abrtflag = 0;
1356     oldintr = signal(SIGINT, psabort);
1357         if (flag) {
1358                 if (proxy)
1359                         return;
1360                 ip = &tmpstruct;
1361                 op = &proxstruct;
1362                 proxy++;
1363         }
1364         else {
1365                 if (!proxy)
1366                         return;
1367                 ip = &proxstruct;
1368                 op = &tmpstruct;
1369                 proxy = 0;
1370         }
1371         ip->connect = connected;
1372         connected = op->connect;
1373         if (hostname) {
1374                 (void) strncpy(ip->name, hostname, sizeof(ip->name) - 1);
1375                 ip->name[strlen(ip->name)] = '\0';
1376         } else
1377                 ip->name[0] = 0;
1378         hostname = op->name;
1379         ip->hctl = hisctladdr;
1380         hisctladdr = op->hctl;
1381         ip->mctl = myctladdr;
1382         myctladdr = op->mctl;
1383         ip->in = cin;
1384         cin = op->in;
1385         ip->out = cout;
1386         cout = op->out;
1387         ip->tpe = type;
1388         type = op->tpe;
1389         if (!type)
1390                 type = 1;
1391         ip->cpnd = cpend;
1392         cpend = op->cpnd;
1393         ip->sunqe = sunique;
1394         sunique = op->sunqe;
1395         ip->runqe = runique;
1396         runique = op->runqe;
1397         ip->mcse = mcase;
1398         mcase = op->mcse;
1399         ip->ntflg = ntflag;
1400         ntflag = op->ntflg;
1401         (void) strncpy(ip->nti, ntin, 16);
1402         (ip->nti)[strlen(ip->nti)] = '\0';
1403         (void) strcpy(ntin, op->nti);
1404         (void) strncpy(ip->nto, ntout, 16);
1405         (ip->nto)[strlen(ip->nto)] = '\0';
1406         (void) strcpy(ntout, op->nto);
1407         ip->mapflg = mapflag;
1408         mapflag = op->mapflg;
1409         (void) strncpy(ip->mi, mapin, MAXPATHLEN - 1);
1410         (ip->mi)[strlen(ip->mi)] = '\0';
1411         (void) strcpy(mapin, op->mi);
1412         (void) strncpy(ip->mo, mapout, MAXPATHLEN - 1);
1413         (ip->mo)[strlen(ip->mo)] = '\0';
1414         (void) strcpy(mapout, op->mo);
1415 //        (void) signal(SIGINT, oldintr);
1416         if (abrtflag) {
1417                 abrtflag = 0;
1418                 (*oldintr)(1);
1419         }
1420 }
1421
1422 jmp_buf ptabort;
1423 int ptabflg;
1424
1425 #if 0
1426 void
1427 abortpt()
1428 {
1429         printf("\n");
1430         (void) fflush(stdout);
1431         ptabflg++;
1432         mflag = 0;
1433         abrtflag = 0;
1434         longjmp(ptabort, 1);
1435 }
1436 #endif
1437
1438 void proxtrans(cmd, local, remote)
1439         const char *cmd, *local, *remote;
1440 {
1441 //      void (*oldintr)(int);
1442         int tmptype, oldtype = 0, secndflag = 0, nfnd;
1443         extern jmp_buf ptabort;
1444         const char *cmd2;
1445 //      struct
1446         fd_set mask;
1447
1448         if (strcmp(cmd, "RETR"))
1449                 cmd2 = "RETR";
1450         else
1451                 cmd2 = runique ? "STOU" : "STOR";
1452         if (command("PASV") != COMPLETE) {
1453                 printf("proxy server does not support third part transfers.\n");
1454                 (void) fflush(stdout);
1455                 return;
1456         }
1457         tmptype = type;
1458         pswitch(0);
1459         if (!connected) {
1460                 printf("No primary connection\n");
1461                 (void) fflush(stdout);
1462                 pswitch(1);
1463                 code = -1;
1464                 return;
1465         }
1466         if (type != tmptype) {
1467                 oldtype = type;
1468                 switch (tmptype) {
1469                         case TYPE_A:
1470                                 setascii();
1471                                 break;
1472                         case TYPE_I:
1473                                 setbinary();
1474                                 break;
1475                         case TYPE_E:
1476                                 setebcdic();
1477                                 break;
1478                         case TYPE_L:
1479                                 settenex();
1480                                 break;
1481                 }
1482         }
1483         if (command("PORT %s", pasv) != COMPLETE) {
1484                 switch (oldtype) {
1485                         case 0:
1486                                 break;
1487                         case TYPE_A:
1488                                 setascii();
1489                                 break;
1490                         case TYPE_I:
1491                                 setbinary();
1492                                 break;
1493                         case TYPE_E:
1494                                 setebcdic();
1495                                 break;
1496                         case TYPE_L:
1497                                 settenex();
1498                                 break;
1499                 }
1500                 pswitch(1);
1501                 return;
1502         }
1503         if (setjmp(ptabort))
1504                 goto abort;
1505 null();//       oldintr = signal(SIGINT, abortpt);
1506         if (command("%s %s", cmd, remote) != PRELIM) {
1507 null();//               (void) signal(SIGINT, oldintr);
1508                 switch (oldtype) {
1509                         case 0:
1510                                 break;
1511                         case TYPE_A:
1512                                 setascii();
1513                                 break;
1514                         case TYPE_I:
1515                                 setbinary();
1516                                 break;
1517                         case TYPE_E:
1518                                 setebcdic();
1519                                 break;
1520                         case TYPE_L:
1521                                 settenex();
1522                                 break;
1523                 }
1524                 pswitch(1);
1525                 return;
1526         }
1527         sleep(2);
1528         pswitch(1);
1529         secndflag++;
1530         if (command("%s %s", cmd2, local) != PRELIM)
1531                 goto abort;
1532         ptflag++;
1533         (void) getreply(0);
1534         pswitch(0);
1535         (void) getreply(0);
1536 null();//       (void) signal(SIGINT, oldintr);
1537         switch (oldtype) {
1538                 case 0:
1539                         break;
1540                 case TYPE_A:
1541                         setascii();
1542                         break;
1543                 case TYPE_I:
1544                         setbinary();
1545                         break;
1546                 case TYPE_E:
1547                         setebcdic();
1548                         break;
1549                 case TYPE_L:
1550                         settenex();
1551                         break;
1552         }
1553         pswitch(1);
1554         ptflag = 0;
1555         printf("local: %s remote: %s\n", local, remote);
1556         (void) fflush(stdout);
1557         return;
1558 abort:
1559 null();//       (void) signal(SIGINT, SIG_IGN);
1560         ptflag = 0;
1561         if (strcmp(cmd, "RETR") && !proxy)
1562                 pswitch(1);
1563         else if (!strcmp(cmd, "RETR") && proxy)
1564                 pswitch(0);
1565         if (!cpend && !secndflag) {  /* only here if cmd = "STOR" (proxy=1) */
1566                 if (command("%s %s", cmd2, local) != PRELIM) {
1567                         pswitch(0);
1568                         switch (oldtype) {
1569                                 case 0:
1570                                         break;
1571                                 case TYPE_A:
1572                                         setascii();
1573                                         break;
1574                                 case TYPE_I:
1575                                         setbinary();
1576                                         break;
1577                                 case TYPE_E:
1578                                         setebcdic();
1579                                         break;
1580                                 case TYPE_L:
1581                                         settenex();
1582                                         break;
1583                         }
1584                         if (cpend) {
1585                                 char msg[2];
1586
1587                                 fprintfSocket(cout,"%c%c",IAC,IP);
1588                                 *msg = (char) IAC;
1589                                 *(msg+1) = (char) DM;
1590                                 if (send(cout,msg,2,MSG_OOB) != 2)
1591                                         perror("abort");
1592                                 fprintfSocket(cout,"ABOR\r\n");
1593                                 FD_ZERO(&mask);
1594 //                              FD_SET(fileno(cin), &mask); // Chris: Need to correct this
1595                                 if ((nfnd = empty(&mask,10)) <= 0) {
1596                                         if (nfnd < 0) {
1597                                                 perror("abort");
1598                                         }
1599                                         if (ptabflg)
1600                                                 code = -1;
1601                                         lostpeer();
1602                                 }
1603                                 (void) getreply(0);
1604                                 (void) getreply(0);
1605                         }
1606                 }
1607                 pswitch(1);
1608                 if (ptabflg)
1609                         code = -1;
1610 null();//               (void) signal(SIGINT, oldintr);
1611                 return;
1612         }
1613         if (cpend) {
1614                 char msg[2];
1615
1616                 fprintfSocket(cout,"%c%c",IAC,IP);
1617                 *msg = (char)IAC;
1618                 *(msg+1) = (char)DM;
1619                 if (send(cout,msg,2,MSG_OOB) != 2)
1620                         perror("abort");
1621                 fprintfSocket(cout,"ABOR\r\n");
1622                 FD_ZERO(&mask);
1623 //              FD_SET(fileno(cin), &mask); // Chris: Need to correct this...
1624                 if ((nfnd = empty(&mask,10)) <= 0) {
1625                         if (nfnd < 0) {
1626                                 perror("abort");
1627                         }
1628                         if (ptabflg)
1629                                 code = -1;
1630                         lostpeer();
1631                 }
1632                 (void) getreply(0);
1633                 (void) getreply(0);
1634         }
1635         pswitch(!proxy);
1636         if (!cpend && !secndflag) {  /* only if cmd = "RETR" (proxy=1) */
1637                 if (command("%s %s", cmd2, local) != PRELIM) {
1638                         pswitch(0);
1639                         switch (oldtype) {
1640                                 case 0:
1641                                         break;
1642                                 case TYPE_A:
1643                                         setascii();
1644                                         break;
1645                                 case TYPE_I:
1646                                         setbinary();
1647                                         break;
1648                                 case TYPE_E:
1649                                         setebcdic();
1650                                         break;
1651                                 case TYPE_L:
1652                                         settenex();
1653                                         break;
1654                         }
1655                         if (cpend) {
1656                                 char msg[2];
1657
1658                                 fprintfSocket(cout,"%c%c",IAC,IP);
1659                                 *msg = (char)IAC;
1660                                 *(msg+1) = (char)DM;
1661                                 if (send(cout,msg,2,MSG_OOB) != 2)
1662                                         perror("abort");
1663                                 fprintfSocket(cout,"ABOR\r\n");
1664                                 FD_ZERO(&mask);
1665 //                              FD_SET(fileno(cin), &mask); // Chris:
1666                                 if ((nfnd = empty(&mask,10)) <= 0) {
1667                                         if (nfnd < 0) {
1668                                                 perror("abort");
1669                                         }
1670                                         if (ptabflg)
1671                                                 code = -1;
1672                                         lostpeer();
1673                                 }
1674                                 (void) getreply(0);
1675                                 (void) getreply(0);
1676                         }
1677                         pswitch(1);
1678                         if (ptabflg)
1679                                 code = -1;
1680 null();//                       (void) signal(SIGINT, oldintr);
1681                         return;
1682                 }
1683         }
1684         if (cpend) {
1685                 char msg[2];
1686
1687                 fprintfSocket(cout,"%c%c",IAC,IP);
1688                 *msg = (char)IAC;
1689                 *(msg+1) = (char)DM;
1690                 if (send(cout,msg,2,MSG_OOB) != 2)
1691                         perror("abort");
1692                 fprintfSocket(cout,"ABOR\r\n");
1693                 FD_ZERO(&mask);
1694 //              FD_SET(fileno(cin), &mask); // Chris:
1695                 if ((nfnd = empty(&mask,10)) <= 0) {
1696                         if (nfnd < 0) {
1697                                 perror("abort");
1698                         }
1699                         if (ptabflg)
1700                                 code = -1;
1701                         lostpeer();
1702                 }
1703                 (void) getreply(0);
1704                 (void) getreply(0);
1705         }
1706         pswitch(!proxy);
1707         if (cpend) {
1708                 FD_ZERO(&mask);
1709 //              FD_SET(fileno(cin), &mask); // Chris:
1710                 if ((nfnd = empty(&mask,10)) <= 0) {
1711                         if (nfnd < 0) {
1712                                 perror("abort");
1713                         }
1714                         if (ptabflg)
1715                                 code = -1;
1716                         lostpeer();
1717                 }
1718                 (void) getreply(0);
1719                 (void) getreply(0);
1720         }
1721         if (proxy)
1722                 pswitch(0);
1723         switch (oldtype) {
1724                 case 0:
1725                         break;
1726                 case TYPE_A:
1727                         setascii();
1728                         break;
1729                 case TYPE_I:
1730                         setbinary();
1731                         break;
1732                 case TYPE_E:
1733                         setebcdic();
1734                         break;
1735                 case TYPE_L:
1736                         settenex();
1737                         break;
1738         }
1739         pswitch(1);
1740         if (ptabflg)
1741                 code = -1;
1742 null();//       (void) signal(SIGINT, oldintr);
1743 }
1744
1745 void reset()
1746 {
1747 //      struct
1748         fd_set mask;
1749         int nfnd = 1;
1750
1751         FD_ZERO(&mask);
1752         while (nfnd > 0) {
1753 //              FD_SET(fileno(cin), &mask); // Chris
1754                 if ((nfnd = empty(&mask,0)) < 0) {
1755                         perror("reset");
1756                         code = -1;
1757                         lostpeer();
1758                 }
1759                 else if (nfnd) {
1760                         (void) getreply(0);
1761                 }
1762         }
1763 }
1764
1765 #if 0
1766 char *
1767 gunique(local)
1768         char *local;
1769 {
1770         static char new[MAXPATHLEN];
1771         char *cp = rindex(local, '/');
1772         int d, count=0;
1773         char ext = '1';
1774
1775         if (cp)
1776                 *cp = '\0';
1777         d = access(cp ? local : ".", 2);
1778         if (cp)
1779                 *cp = '/';
1780         if (d < 0) {
1781                 perror(local);
1782                 return((char *) 0);
1783         }
1784         (void) strcpy(new, local);
1785         cp = new + strlen(new);
1786         *cp++ = '.';
1787         while (!d) {
1788                 if (++count == 100) {
1789                         printf("runique: can't find unique file name.\n");
1790                         (void) fflush(stdout);
1791                         return((char *) 0);
1792                 }
1793                 *cp++ = ext;
1794                 *cp = '\0';
1795                 if (ext == '9')
1796                         ext = '0';
1797                 else
1798                         ext++;
1799                 if ((d = access(new, 0)) < 0)
1800                         break;
1801                 if (ext != '0')
1802                         cp--;
1803                 else if (*(cp - 2) == '.')
1804                         *(cp - 1) = '1';
1805                 else {
1806                         *(cp - 2) = *(cp - 2) + 1;
1807                         cp--;
1808                 }
1809         }
1810         return(new);
1811 }
1812 #endif
1813
1814 int null(void)
1815 {
1816    return 0;
1817 }