git.distorted.org.uk Git - u/mdw/putty/blob - scp.c

   1 /*
   2  *  scp.c  -  Scp (Secure Copy) client for PuTTY.
   3  *  Joris van Rantwijk, Simon Tatham
   4  *
   5  *  This is mainly based on ssh-1.2.26/scp.c by Timo Rinne & Tatu Ylonen.
   6  *  They, in turn, used stuff from BSD rcp.
   7  *
   8  *  Adaptations to enable connecting a GUI by L. Gunnarsson - Sept 2000
   9  */
  10
  11 #include <windows.h>
  12 #include <winsock.h>
  13 #include <stdlib.h>
  14 #include <stdio.h>
  15 #include <string.h>
  16 #include <time.h>
  17 /* GUI Adaptation - Sept 2000 */
  18 #include <winuser.h>
  19 #include <winbase.h>
  20
  21 #define PUTTY_DO_GLOBALS
  22 #include "putty.h"
  23 #include "scp.h"
  24
  25 #define TIME_POSIX_TO_WIN(t, ft) (*(LONGLONG*)&(ft) = \
  26         ((LONGLONG) (t) + (LONGLONG) 11644473600) * (LONGLONG) 10000000)
  27 #define TIME_WIN_TO_POSIX(ft, t) ((t) = (unsigned long) \
  28         ((*(LONGLONG*)&(ft)) / (LONGLONG) 10000000 - (LONGLONG) 11644473600))
  29
  30 /* GUI Adaptation - Sept 2000 */
  31 #define   WM_APP_BASE           0x8000
  32 #define   WM_STD_OUT_CHAR       ( WM_APP_BASE+400 )
  33 #define   WM_STD_ERR_CHAR       ( WM_APP_BASE+401 )
  34 #define   WM_STATS_CHAR         ( WM_APP_BASE+402 )
  35 #define   WM_STATS_SIZE         ( WM_APP_BASE+403 )
  36 #define   WM_STATS_PERCENT      ( WM_APP_BASE+404 )
  37 #define   WM_STATS_ELAPSED      ( WM_APP_BASE+405 )
  38 #define   WM_RET_ERR_CNT        ( WM_APP_BASE+406 )
  39 #define   WM_LS_RET_ERR_CNT     ( WM_APP_BASE+407 )
  40
  41 static int verbose = 0;
  42 static int recursive = 0;
  43 static int preserve = 0;
  44 static int targetshouldbedirectory = 0;
  45 static int statistics = 1;
  46 static int portnumber = 0;
  47 static char *password = NULL;
  48 static int errs = 0;
  49 static int connection_open = 0;
  50 /* GUI Adaptation - Sept 2000 */
  51 #define NAME_STR_MAX 2048
  52 static char statname[NAME_STR_MAX+1];
  53 static unsigned long statsize = 0;
  54 static int statperct = 0;
  55 static time_t statelapsed = 0;
  56 static int gui_mode = 0;
  57 static char *gui_hwnd = NULL;
  58
  59 static void source(char *src);
  60 static void rsource(char *src);
  61 static void sink(char *targ);
  62 /* GUI Adaptation - Sept 2000 */
  63 static void tell_char(FILE *stream, char c);
  64 static void tell_str(FILE *stream, char *str);
  65 static void tell_user(FILE *stream, char *fmt, ...);
  66 static void send_char_msg(unsigned int msg_id, char c);
  67 static void send_str_msg(unsigned int msg_id, char *str);
  68 static void gui_update_stats(char *name, unsigned long size, int percentage, time_t elapsed);
  69
  70 /*
  71  *  This function is needed to link with ssh.c, but it never gets called.
  72  */
  73 void term_out(void)
  74 {
  75     abort();
  76 }
  77
  78 /* GUI Adaptation - Sept 2000 */
  79 void send_msg(HWND h, UINT message, WPARAM wParam)
  80 {
  81     while (!PostMessage( h, message, wParam, 0))
  82         SleepEx(1000,TRUE);
  83 }
  84
  85 void tell_char(FILE *stream, char c)
  86 {
  87     if (!gui_mode)
  88         fputc(c, stream);
  89     else
  90     {
  91         unsigned int msg_id = WM_STD_OUT_CHAR;
  92         if (stream = stderr) msg_id = WM_STD_ERR_CHAR;
  93         send_msg( (HWND)atoi(gui_hwnd), msg_id, (WPARAM)c );
  94     }
  95 }
  96
  97 void tell_str(FILE *stream, char *str)
  98 {
  99     unsigned int i;
 100
 101     for( i = 0; i < strlen(str); ++i )
 102         tell_char(stream, str[i]);
 103 }
 104
 105 void tell_user(FILE *stream, char *fmt, ...)
 106 {
 107     char str[0x100]; /* Make the size big enough */
 108     va_list ap;
 109     va_start(ap, fmt);
 110     vsprintf(str, fmt, ap);
 111     va_end(ap);
 112     strcat(str, "\n");
 113     tell_str(stream, str);
 114 }
 115
 116 void gui_update_stats(char *name, unsigned long size, int percentage, time_t elapsed)
 117 {
 118     unsigned int i;
 119
 120     if (strcmp(name,statname) != 0)
 121     {
 122         for( i = 0; i < strlen(name); ++i )
 123             send_msg( (HWND)atoi(gui_hwnd), WM_STATS_CHAR, (WPARAM)name[i]);
 124         send_msg( (HWND)atoi(gui_hwnd), WM_STATS_CHAR, (WPARAM)'\n' );
 125         strcpy(statname,name);
 126     }
 127     if (statsize != size)
 128     {
 129         send_msg( (HWND)atoi(gui_hwnd), WM_STATS_SIZE, (WPARAM)size );
 130         statsize = size;
 131     }
 132     if (statelapsed != elapsed)
 133     {
 134         send_msg( (HWND)atoi(gui_hwnd), WM_STATS_ELAPSED, (WPARAM)elapsed );
 135         statelapsed = elapsed;
 136     }
 137     if (statperct != percentage)
 138     {
 139         send_msg( (HWND)atoi(gui_hwnd), WM_STATS_PERCENT, (WPARAM)percentage );
 140         statperct = percentage;
 141     }
 142 }
 143
 144 /*
 145  *  Print an error message and perform a fatal exit.
 146  */
 147 void fatalbox(char *fmt, ...)
 148 {
 149     char str[0x100]; /* Make the size big enough */
 150     va_list ap;
 151     va_start(ap, fmt);
 152     strcpy(str, "Fatal:");
 153     vsprintf(str+strlen(str), fmt, ap);
 154     va_end(ap);
 155     strcat(str, "\n");
 156     tell_str(stderr, str);
 157
 158     exit(1);
 159 }
 160 void connection_fatal(char *fmt, ...)
 161 {
 162     char str[0x100]; /* Make the size big enough */
 163     va_list ap;
 164     va_start(ap, fmt);
 165     strcpy(str, "Fatal:");
 166     vsprintf(str+strlen(str), fmt, ap);
 167     va_end(ap);
 168     strcat(str, "\n");
 169     tell_str(stderr, str);
 170
 171     exit(1);
 172 }
 173
 174 /*
 175  *  Print an error message and exit after closing the SSH link.
 176  */
 177 static void bump(char *fmt, ...)
 178 {
 179     char str[0x100]; /* Make the size big enough */
 180     va_list ap;
 181     va_start(ap, fmt);
 182     strcpy(str, "Fatal:");
 183     vsprintf(str+strlen(str), fmt, ap);
 184     va_end(ap);
 185     strcat(str, "\n");
 186     tell_str(stderr, str);
 187
 188     if (connection_open) {
 189         char ch;
 190         ssh_scp_send_eof();
 191         ssh_scp_recv(&ch, 1);
 192     }
 193     exit(1);
 194 }
 195
 196 static int get_password(const char *prompt, char *str, int maxlen)
 197 {
 198     HANDLE hin, hout;
 199     DWORD savemode, i;
 200
 201     if (password) {
 202         static int tried_once = 0;
 203
 204         if (tried_once) {
 205             return 0;
 206         } else {
 207             strncpy(str, password, maxlen);
 208             str[maxlen-1] = '\0';
 209             tried_once = 1;
 210             return 1;
 211         }
 212     }
 213
 214     /* GUI Adaptation - Sept 2000 */
 215     if (gui_mode) {
 216         if (maxlen>0) str[0] = '\0';
 217     } else {
 218         hin = GetStdHandle(STD_INPUT_HANDLE);
 219         hout = GetStdHandle(STD_OUTPUT_HANDLE);
 220         if (hin == INVALID_HANDLE_VALUE || hout == INVALID_HANDLE_VALUE)
 221             bump("Cannot get standard input/output handles");
 222
 223         GetConsoleMode(hin, &savemode);
 224         SetConsoleMode(hin, (savemode & (~ENABLE_ECHO_INPUT)) |
 225                        ENABLE_PROCESSED_INPUT | ENABLE_LINE_INPUT);
 226
 227         WriteFile(hout, prompt, strlen(prompt), &i, NULL);
 228         ReadFile(hin, str, maxlen-1, &i, NULL);
 229
 230         SetConsoleMode(hin, savemode);
 231
 232         if ((int)i > maxlen) i = maxlen-1; else i = i - 2;
 233         str[i] = '\0';
 234
 235         WriteFile(hout, "\r\n", 2, &i, NULL);
 236     }
 237
 238     return 1;
 239 }
 240
 241 /*
 242  *  Open an SSH connection to user@host and execute cmd.
 243  */
 244 static void do_cmd(char *host, char *user, char *cmd)
 245 {
 246     char *err, *realhost;
 247
 248     if (host == NULL || host[0] == '\0')
 249         bump("Empty host name");
 250
 251     /* Try to load settings for this host */
 252     do_defaults(host);
 253     if (cfg.host[0] == '\0') {
 254         /* No settings for this host; use defaults */
 255         strncpy(cfg.host, host, sizeof(cfg.host)-1);
 256         cfg.host[sizeof(cfg.host)-1] = '\0';
 257         cfg.port = 22;
 258     }
 259
 260     /* Set username */
 261     if (user != NULL && user[0] != '\0') {
 262         strncpy(cfg.username, user, sizeof(cfg.username)-1);
 263         cfg.username[sizeof(cfg.username)-1] = '\0';
 264     } else if (cfg.username[0] == '\0') {
 265         bump("Empty user name");
 266     }
 267
 268     if (cfg.protocol != PROT_SSH)
 269         cfg.port = 22;
 270
 271     if (portnumber)
 272         cfg.port = portnumber;
 273
 274     err = ssh_scp_init(cfg.host, cfg.port, cmd, &realhost);
 275     if (err != NULL)
 276         bump("ssh_init: %s", err);
 277     if (verbose && realhost != NULL)
 278         tell_user(stderr, "Connected to %s\n", realhost);
 279
 280     connection_open = 1;
 281 }
 282
 283 /*
 284  *  Update statistic information about current file.
 285  */
 286 static void print_stats(char *name, unsigned long size, unsigned long done,
 287                         time_t start, time_t now)
 288 {
 289     float ratebs;
 290     unsigned long eta;
 291     char etastr[10];
 292     int pct;
 293
 294     /* GUI Adaptation - Sept 2000 */
 295     if (gui_mode)
 296         gui_update_stats(name, size, ((done *100) / size), now-start);
 297     else {
 298         if (now > start)
 299             ratebs = (float) done / (now - start);
 300         else
 301             ratebs = (float) done;
 302
 303         if (ratebs < 1.0)
 304             eta = size - done;
 305         else
 306             eta = (unsigned long) ((size - done) / ratebs);
 307         sprintf(etastr, "%02ld:%02ld:%02ld",
 308                 eta / 3600, (eta % 3600) / 60, eta % 60);
 309
 310         pct = (int) (100.0 * (float) done / size);
 311
 312         printf("\r%-25.25s | %10ld kB | %5.1f kB/s | ETA: %8s | %3d%%",
 313                name, done / 1024, ratebs / 1024.0,
 314                etastr, pct);
 315
 316         if (done == size)
 317             printf("\n");
 318     }
 319 }
 320
 321 /*
 322  *  Find a colon in str and return a pointer to the colon.
 323  *  This is used to separate hostname from filename.
 324  */
 325 static char * colon(char *str)
 326 {
 327     /* We ignore a leading colon, since the hostname cannot be
 328      empty. We also ignore a colon as second character because
 329      of filenames like f:myfile.txt. */
 330     if (str[0] == '\0' ||
 331         str[0] == ':' ||
 332         str[1] == ':')
 333         return (NULL);
 334     while (*str != '\0' &&
 335            *str != ':' &&
 336            *str != '/' &&
 337            *str != '\\')
 338         str++;
 339     if (*str == ':')
 340         return (str);
 341     else
 342         return (NULL);
 343 }
 344
 345 /*
 346  *  Wait for a response from the other side.
 347  *  Return 0 if ok, -1 if error.
 348  */
 349 static int response(void)
 350 {
 351     char ch, resp, rbuf[2048];
 352     int p;
 353
 354     if (ssh_scp_recv(&resp, 1) <= 0)
 355         bump("Lost connection");
 356
 357     p = 0;
 358     switch (resp) {
 359       case 0:           /* ok */
 360         return (0);
 361       default:
 362         rbuf[p++] = resp;
 363         /* fallthrough */
 364       case 1:           /* error */
 365       case 2:           /* fatal error */
 366         do {
 367             if (ssh_scp_recv(&ch, 1) <= 0)
 368                 bump("Protocol error: Lost connection");
 369             rbuf[p++] = ch;
 370         } while (p < sizeof(rbuf) && ch != '\n');
 371         rbuf[p-1] = '\0';
 372         if (resp == 1)
 373             tell_user(stderr, "%s\n", rbuf);
 374         else
 375             bump("%s", rbuf);
 376         errs++;
 377         return (-1);
 378     }
 379 }
 380
 381 /*
 382  *  Send an error message to the other side and to the screen.
 383  *  Increment error counter.
 384  */
 385 static void run_err(const char *fmt, ...)
 386 {
 387     char str[2048];
 388     va_list ap;
 389     va_start(ap, fmt);
 390     errs++;
 391     strcpy(str, "\01scp: ");
 392     vsprintf(str+strlen(str), fmt, ap);
 393     strcat(str, "\n");
 394     ssh_scp_send(str, strlen(str));
 395     tell_user(stderr, "%s",str);
 396     va_end(ap);
 397 }
 398
 399 /*
 400  *  Execute the source part of the SCP protocol.
 401  */
 402 static void source(char *src)
 403 {
 404     char buf[2048];
 405     unsigned long size;
 406     char *last;
 407     HANDLE f;
 408     DWORD attr;
 409     unsigned long i;
 410     unsigned long stat_bytes;
 411     time_t stat_starttime, stat_lasttime;
 412
 413     attr = GetFileAttributes(src);
 414     if (attr == (DWORD)-1) {
 415         run_err("%s: No such file or directory", src);
 416         return;
 417     }
 418
 419     if ((attr & FILE_ATTRIBUTE_DIRECTORY) != 0) {
 420         if (recursive) {
 421             /*
 422              * Avoid . and .. directories.
 423              */
 424             char *p;
 425             p = strrchr(src, '/');
 426             if (!p)
 427                 p = strrchr(src, '\\');
 428             if (!p)
 429                 p = src;
 430             else
 431                 p++;
 432             if (!strcmp(p, ".") || !strcmp(p, ".."))
 433                 /* skip . and .. */;
 434             else
 435                 rsource(src);
 436         } else {
 437             run_err("%s: not a regular file", src);
 438         }
 439         return;
 440     }
 441
 442     if ((last = strrchr(src, '/')) == NULL)
 443         last = src;
 444     else
 445         last++;
 446     if (strrchr(last, '\\') != NULL)
 447         last = strrchr(last, '\\') + 1;
 448     if (last == src && strchr(src, ':') != NULL)
 449         last = strchr(src, ':') + 1;
 450
 451     f = CreateFile(src, GENERIC_READ, FILE_SHARE_READ, NULL,
 452                    OPEN_EXISTING, 0, 0);
 453     if (f == INVALID_HANDLE_VALUE) {
 454         run_err("%s: Cannot open file", src);
 455         return;
 456     }
 457
 458     if (preserve) {
 459         FILETIME actime, wrtime;
 460         unsigned long mtime, atime;
 461         GetFileTime(f, NULL, &actime, &wrtime);
 462         TIME_WIN_TO_POSIX(actime, atime);
 463         TIME_WIN_TO_POSIX(wrtime, mtime);
 464         sprintf(buf, "T%lu 0 %lu 0\n", mtime, atime);
 465         ssh_scp_send(buf, strlen(buf));
 466         if (response())
 467             return;
 468     }
 469
 470     size = GetFileSize(f, NULL);
 471     sprintf(buf, "C0644 %lu %s\n", size, last);
 472     if (verbose)
 473         tell_user(stderr, "Sending file modes: %s", buf);
 474     ssh_scp_send(buf, strlen(buf));
 475     if (response())
 476         return;
 477
 478     if (statistics) {
 479         stat_bytes = 0;
 480         stat_starttime = time(NULL);
 481         stat_lasttime = 0;
 482     }
 483
 484     for (i = 0; i < size; i += 4096) {
 485         char transbuf[4096];
 486         DWORD j, k = 4096;
 487         if (i + k > size) k = size - i;
 488         if (! ReadFile(f, transbuf, k, &j, NULL) || j != k) {
 489             if (statistics) printf("\n");
 490             bump("%s: Read error", src);
 491         }
 492         ssh_scp_send(transbuf, k);
 493         if (statistics) {
 494             stat_bytes += k;
 495             if (time(NULL) != stat_lasttime ||
 496                 i + k == size) {
 497                 stat_lasttime = time(NULL);
 498                 print_stats(last, size, stat_bytes,
 499                             stat_starttime, stat_lasttime);
 500             }
 501         }
 502     }
 503     CloseHandle(f);
 504
 505     ssh_scp_send("", 1);
 506     (void) response();
 507 }
 508
 509 /*
 510  *  Recursively send the contents of a directory.
 511  */
 512 static void rsource(char *src)
 513 {
 514     char buf[2048];
 515     char *last;
 516     HANDLE dir;
 517     WIN32_FIND_DATA fdat;
 518     int ok;
 519
 520     if ((last = strrchr(src, '/')) == NULL)
 521         last = src;
 522     else
 523         last++;
 524     if (strrchr(last, '\\') != NULL)
 525         last = strrchr(last, '\\') + 1;
 526     if (last == src && strchr(src, ':') != NULL)
 527         last = strchr(src, ':') + 1;
 528
 529     /* maybe send filetime */
 530
 531     sprintf(buf, "D0755 0 %s\n", last);
 532     if (verbose)
 533         tell_user(stderr, "Entering directory: %s", buf);
 534     ssh_scp_send(buf, strlen(buf));
 535     if (response())
 536         return;
 537
 538     sprintf(buf, "%s/*", src);
 539     dir = FindFirstFile(buf, &fdat);
 540     ok = (dir != INVALID_HANDLE_VALUE);
 541     while (ok) {
 542         if (strcmp(fdat.cFileName, ".") == 0 ||
 543             strcmp(fdat.cFileName, "..") == 0) {
 544         } else if (strlen(src) + 1 + strlen(fdat.cFileName) >=
 545                    sizeof(buf)) {
 546             run_err("%s/%s: Name too long", src, fdat.cFileName);
 547         } else {
 548             sprintf(buf, "%s/%s", src, fdat.cFileName);
 549             source(buf);
 550         }
 551         ok = FindNextFile(dir, &fdat);
 552     }
 553     FindClose(dir);
 554
 555     sprintf(buf, "E\n");
 556     ssh_scp_send(buf, strlen(buf));
 557     (void) response();
 558 }
 559
 560 /*
 561  *  Execute the sink part of the SCP protocol.
 562  */
 563 static void sink(char *targ)
 564 {
 565     char buf[2048];
 566     char namebuf[2048];
 567     char ch;
 568     int targisdir = 0;
 569     int settime;
 570     int exists;
 571     DWORD attr;
 572     HANDLE f;
 573     unsigned long mtime, atime;
 574     unsigned int mode;
 575     unsigned long size, i;
 576     int wrerror = 0;
 577     unsigned long stat_bytes;
 578     time_t stat_starttime, stat_lasttime;
 579     char *stat_name;
 580
 581     attr = GetFileAttributes(targ);
 582     if (attr != (DWORD)-1 && (attr & FILE_ATTRIBUTE_DIRECTORY) != 0)
 583         targisdir = 1;
 584
 585     if (targetshouldbedirectory && !targisdir)
 586         bump("%s: Not a directory", targ);
 587
 588     ssh_scp_send("", 1);
 589     while (1) {
 590         settime = 0;
 591         gottime:
 592         if (ssh_scp_recv(&ch, 1) <= 0)
 593             return;
 594         if (ch == '\n')
 595             bump("Protocol error: Unexpected newline");
 596         i = 0;
 597         buf[i++] = ch;
 598         do {
 599             if (ssh_scp_recv(&ch, 1) <= 0)
 600                 bump("Lost connection");
 601             buf[i++] = ch;
 602         } while (i < sizeof(buf) && ch != '\n');
 603         buf[i-1] = '\0';
 604         switch (buf[0]) {
 605           case '\01':   /* error */
 606             tell_user(stderr, "%s\n", buf+1);
 607             errs++;
 608             continue;
 609           case '\02':   /* fatal error */
 610             bump("%s", buf+1);
 611           case 'E':
 612             ssh_scp_send("", 1);
 613             return;
 614           case 'T':
 615             if (sscanf(buf, "T%ld %*d %ld %*d",
 616                        &mtime, &atime) == 2) {
 617                 settime = 1;
 618                 ssh_scp_send("", 1);
 619                 goto gottime;
 620             }
 621             bump("Protocol error: Illegal time format");
 622           case 'C':
 623           case 'D':
 624             break;
 625           default:
 626             bump("Protocol error: Expected control record");
 627         }
 628
 629         if (sscanf(buf+1, "%u %lu %[^\n]", &mode, &size, namebuf) != 3)
 630             bump("Protocol error: Illegal file descriptor format");
 631         if (targisdir) {
 632             char t[2048];
 633             strcpy(t, targ);
 634             if (targ[0] != '\0')
 635                 strcat(t, "/");
 636             strcat(t, namebuf);
 637             strcpy(namebuf, t);
 638         } else {
 639             strcpy(namebuf, targ);
 640         }
 641         attr = GetFileAttributes(namebuf);
 642         exists = (attr != (DWORD)-1);
 643
 644         if (buf[0] == 'D') {
 645             if (exists && (attr & FILE_ATTRIBUTE_DIRECTORY) == 0) {
 646                 run_err("%s: Not a directory", namebuf);
 647                 continue;
 648             }
 649             if (!exists) {
 650                 if (! CreateDirectory(namebuf, NULL)) {
 651                     run_err("%s: Cannot create directory",
 652                             namebuf);
 653                     continue;
 654                 }
 655             }
 656             sink(namebuf);
 657             /* can we set the timestamp for directories ? */
 658             continue;
 659         }
 660
 661         f = CreateFile(namebuf, GENERIC_WRITE, 0, NULL,
 662                        CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, 0);
 663         if (f == INVALID_HANDLE_VALUE) {
 664             run_err("%s: Cannot create file", namebuf);
 665             continue;
 666         }
 667
 668         ssh_scp_send("", 1);
 669
 670         if (statistics) {
 671             stat_bytes = 0;
 672             stat_starttime = time(NULL);
 673             stat_lasttime = 0;
 674             if ((stat_name = strrchr(namebuf, '/')) == NULL)
 675                 stat_name = namebuf;
 676             else
 677                 stat_name++;
 678             if (strrchr(stat_name, '\\') != NULL)
 679                 stat_name = strrchr(stat_name, '\\') + 1;
 680         }
 681
 682         for (i = 0; i < size; i += 4096) {
 683             char transbuf[4096];
 684             DWORD j, k = 4096;
 685             if (i + k > size) k = size - i;
 686             if (ssh_scp_recv(transbuf, k) == 0)
 687                 bump("Lost connection");
 688             if (wrerror) continue;
 689             if (! WriteFile(f, transbuf, k, &j, NULL) || j != k) {
 690                 wrerror = 1;
 691                 if (statistics)
 692                     printf("\r%-25.25s | %50s\n",
 693                            stat_name,
 694                            "Write error.. waiting for end of file");
 695                 continue;
 696             }
 697             if (statistics) {
 698                 stat_bytes += k;
 699                 if (time(NULL) > stat_lasttime ||
 700                     i + k == size) {
 701                     stat_lasttime = time(NULL);
 702                     print_stats(stat_name, size, stat_bytes,
 703                                 stat_starttime, stat_lasttime);
 704                 }
 705             }
 706         }
 707         (void) response();
 708
 709         if (settime) {
 710             FILETIME actime, wrtime;
 711             TIME_POSIX_TO_WIN(atime, actime);
 712             TIME_POSIX_TO_WIN(mtime, wrtime);
 713             SetFileTime(f, NULL, &actime, &wrtime);
 714         }
 715
 716         CloseHandle(f);
 717         if (wrerror) {
 718             run_err("%s: Write error", namebuf);
 719             continue;
 720         }
 721         ssh_scp_send("", 1);
 722     }
 723 }
 724
 725 /*
 726  *  We will copy local files to a remote server.
 727  */
 728 static void toremote(int argc, char *argv[])
 729 {
 730     char *src, *targ, *host, *user;
 731     char *cmd;
 732     int i;
 733
 734     targ = argv[argc-1];
 735
 736     /* Separate host from filename */
 737     host = targ;
 738     targ = colon(targ);
 739     if (targ == NULL)
 740         bump("targ == NULL in toremote()");
 741     *targ++ = '\0';
 742     if (*targ == '\0')
 743         targ = ".";
 744     /* Substitute "." for emtpy target */
 745
 746     /* Separate host and username */
 747     user = host;
 748     host = strrchr(host, '@');
 749     if (host == NULL) {
 750         host = user;
 751         user = NULL;
 752     } else {
 753         *host++ = '\0';
 754         if (*user == '\0')
 755             user = NULL;
 756     }
 757
 758     if (argc == 2) {
 759         /* Find out if the source filespec covers multiple files
 760          if so, we should set the targetshouldbedirectory flag */
 761         HANDLE fh;
 762         WIN32_FIND_DATA fdat;
 763         if (colon(argv[0]) != NULL)
 764             bump("%s: Remote to remote not supported", argv[0]);
 765         fh = FindFirstFile(argv[0], &fdat);
 766         if (fh == INVALID_HANDLE_VALUE)
 767             bump("%s: No such file or directory\n", argv[0]);
 768         if (FindNextFile(fh, &fdat))
 769             targetshouldbedirectory = 1;
 770         FindClose(fh);
 771     }
 772
 773     cmd = smalloc(strlen(targ) + 100);
 774     sprintf(cmd, "scp%s%s%s%s -t %s",
 775             verbose ? " -v" : "",
 776             recursive ? " -r" : "",
 777             preserve ? " -p" : "",
 778             targetshouldbedirectory ? " -d" : "",
 779             targ);
 780     do_cmd(host, user, cmd);
 781     sfree(cmd);
 782
 783     (void) response();
 784
 785     for (i = 0; i < argc - 1; i++) {
 786         HANDLE dir;
 787         WIN32_FIND_DATA fdat;
 788         src = argv[i];
 789         if (colon(src) != NULL) {
 790             tell_user(stderr, "%s: Remote to remote not supported\n", src);
 791             errs++;
 792             continue;
 793         }
 794         dir = FindFirstFile(src, &fdat);
 795         if (dir == INVALID_HANDLE_VALUE) {
 796             run_err("%s: No such file or directory", src);
 797             continue;
 798         }
 799         do {
 800             char *last;
 801             char namebuf[2048];
 802             if (strlen(src) + strlen(fdat.cFileName) >=
 803                 sizeof(namebuf)) {
 804                 tell_user(stderr, "%s: Name too long", src);
 805                 continue;
 806             }
 807             strcpy(namebuf, src);
 808             if ((last = strrchr(namebuf, '/')) == NULL)
 809                 last = namebuf;
 810             else
 811                 last++;
 812             if (strrchr(last, '\\') != NULL)
 813                 last = strrchr(last, '\\') + 1;
 814             if (last == namebuf && strrchr(namebuf, ':') != NULL)
 815                 last = strchr(namebuf, ':') + 1;
 816             strcpy(last, fdat.cFileName);
 817             source(namebuf);
 818         } while (FindNextFile(dir, &fdat));
 819         FindClose(dir);
 820     }
 821 }
 822
 823 /*
 824  *  We will copy files from a remote server to the local machine.
 825  */
 826 static void tolocal(int argc, char *argv[])
 827 {
 828     char *src, *targ, *host, *user;
 829     char *cmd;
 830
 831     if (argc != 2)
 832         bump("More than one remote source not supported");
 833
 834     src = argv[0];
 835     targ = argv[1];
 836
 837     /* Separate host from filename */
 838     host = src;
 839     src = colon(src);
 840     if (src == NULL)
 841         bump("Local to local copy not supported");
 842     *src++ = '\0';
 843     if (*src == '\0')
 844         src = ".";
 845     /* Substitute "." for empty filename */
 846
 847     /* Separate username and hostname */
 848     user = host;
 849     host = strrchr(host, '@');
 850     if (host == NULL) {
 851         host = user;
 852         user = NULL;
 853     } else {
 854         *host++ = '\0';
 855         if (*user == '\0')
 856             user = NULL;
 857     }
 858
 859     cmd = smalloc(strlen(src) + 100);
 860     sprintf(cmd, "scp%s%s%s%s -f %s",
 861             verbose ? " -v" : "",
 862             recursive ? " -r" : "",
 863             preserve ? " -p" : "",
 864             targetshouldbedirectory ? " -d" : "",
 865             src);
 866     do_cmd(host, user, cmd);
 867     sfree(cmd);
 868
 869     sink(targ);
 870 }
 871
 872 /*
 873  *  We will issue a list command to get a remote directory.
 874  */
 875 static void get_dir_list(int argc, char *argv[])
 876 {
 877     char *src, *host, *user;
 878     char *cmd, *p, *q;
 879     char c;
 880
 881     src = argv[0];
 882
 883     /* Separate host from filename */
 884     host = src;
 885     src = colon(src);
 886     if (src == NULL)
 887         bump("Local to local copy not supported");
 888     *src++ = '\0';
 889     if (*src == '\0')
 890         src = ".";
 891     /* Substitute "." for empty filename */
 892
 893     /* Separate username and hostname */
 894     user = host;
 895     host = strrchr(host, '@');
 896     if (host == NULL) {
 897         host = user;
 898         user = NULL;
 899     } else {
 900         *host++ = '\0';
 901         if (*user == '\0')
 902             user = NULL;
 903     }
 904
 905     cmd = smalloc(4*strlen(src) + 100);
 906     strcpy(cmd, "ls -la '");
 907     p = cmd + strlen(cmd);
 908     for (q = src; *q; q++) {
 909         if (*q == '\'') {
 910             *p++ = '\''; *p++ = '\\'; *p++ = '\''; *p++ = '\'';
 911         } else {
 912             *p++ = *q;
 913         }
 914     }
 915     *p++ = '\'';
 916     *p = '\0';
 917
 918     do_cmd(host, user, cmd);
 919     sfree(cmd);
 920
 921     while (ssh_scp_recv(&c, 1) > 0)
 922         tell_char(stdout, c);
 923 }
 924
 925 /*
 926  *  Initialize the Win$ock driver.
 927  */
 928 static void init_winsock(void)
 929 {
 930     WORD winsock_ver;
 931     WSADATA wsadata;
 932
 933     winsock_ver = MAKEWORD(1, 1);
 934     if (WSAStartup(winsock_ver, &wsadata))
 935         bump("Unable to initialise WinSock");
 936     if (LOBYTE(wsadata.wVersion) != 1 ||
 937         HIBYTE(wsadata.wVersion) != 1)
 938         bump("WinSock version is incompatible with 1.1");
 939 }
 940
 941 /*
 942  *  Short description of parameters.
 943  */
 944 static void usage(void)
 945 {
 946     printf("PuTTY Secure Copy client\n");
 947     printf("%s\n", ver);
 948     printf("Usage: pscp [options] [user@]host:source target\n");
 949     printf("       pscp [options] source [source...] [user@]host:target\n");
 950     printf("       pscp [options] -ls user@host:filespec\n");
 951     printf("Options:\n");
 952     printf("  -p        preserve file attributes\n");
 953     printf("  -q        quiet, don't show statistics\n");
 954     printf("  -r        copy directories recursively\n");
 955     printf("  -v        show verbose messages\n");
 956     printf("  -P port   connect to specified port\n");
 957     printf("  -pw passw login with specified password\n");
 958     /* GUI Adaptation - Sept 2000 */
 959     printf("  -gui hWnd GUI mode with the windows handle for receiving messages\n");
 960     exit(1);
 961 }
 962
 963 /*
 964  *  Main program (no, really?)
 965  */
 966 int main(int argc, char *argv[])
 967 {
 968     int i;
 969     int list = 0;
 970
 971     default_protocol = PROT_TELNET;
 972
 973     flags = FLAG_STDERR;
 974     ssh_get_password = &get_password;
 975     init_winsock();
 976
 977     for (i = 1; i < argc; i++) {
 978         if (argv[i][0] != '-')
 979             break;
 980         if (strcmp(argv[i], "-v") == 0)
 981             verbose = 1, flags |= FLAG_VERBOSE;
 982         else if (strcmp(argv[i], "-r") == 0)
 983             recursive = 1;
 984         else if (strcmp(argv[i], "-p") == 0)
 985             preserve = 1;
 986         else if (strcmp(argv[i], "-q") == 0)
 987             statistics = 0;
 988         else if (strcmp(argv[i], "-h") == 0 ||
 989                  strcmp(argv[i], "-?") == 0)
 990             usage();
 991         else if (strcmp(argv[i], "-P") == 0 && i+1 < argc)
 992             portnumber = atoi(argv[++i]);
 993         else if (strcmp(argv[i], "-pw") == 0 && i+1 < argc)
 994             password = argv[++i];
 995         else if (strcmp(argv[i], "-gui") == 0 && i+1 < argc) {
 996             gui_hwnd = argv[++i];
 997             gui_mode = 1;
 998         } else if (strcmp(argv[i], "-ls") == 0)
 999                 list = 1;
1000         else if (strcmp(argv[i], "--") == 0)
1001         { i++; break; }
1002         else
1003             usage();
1004     }
1005     argc -= i;
1006     argv += i;
1007
1008     if (list) {
1009         if (argc != 1)
1010             usage();
1011         get_dir_list(argc, argv);
1012
1013     } else {
1014
1015         if (argc < 2)
1016             usage();
1017         if (argc > 2)
1018             targetshouldbedirectory = 1;
1019
1020         if (colon(argv[argc-1]) != NULL)
1021             toremote(argc, argv);
1022         else
1023             tolocal(argc, argv);
1024     }
1025
1026     if (connection_open) {
1027         char ch;
1028         ssh_scp_send_eof();
1029         ssh_scp_recv(&ch, 1);
1030     }
1031     WSACleanup();
1032     random_save_seed();
1033
1034     /* GUI Adaptation - August 2000 */
1035     if (gui_mode) {
1036         unsigned int msg_id = WM_RET_ERR_CNT;
1037         if (list) msg_id = WM_LS_RET_ERR_CNT;
1038         while (!PostMessage( (HWND)atoi(gui_hwnd), msg_id, (WPARAM)errs, 0/*lParam*/ ) )
1039             SleepEx(1000,TRUE);
1040     }
1041     return (errs == 0 ? 0 : 1);
1042 }
1043
1044 /* end */