Annotation of src/usr.bin/ssh/sftp.c, Revision 1.44
1.1 djm 1: /*
1.42 djm 2: * Copyright (c) 2001-2004 Damien Miller <djm@openbsd.org>
1.1 djm 3: *
1.42 djm 4: * Permission to use, copy, modify, and distribute this software for any
5: * purpose with or without fee is hereby granted, provided that the above
6: * copyright notice and this permission notice appear in all copies.
1.1 djm 7: *
1.42 djm 8: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 djm 15: */
16:
17: #include "includes.h"
18:
1.44 ! djm 19: RCSID("$OpenBSD: sftp.c,v 1.43 2004/02/17 07:17:29 djm Exp $");
! 20:
! 21: #include <glob.h>
1.1 djm 22:
23: #include "buffer.h"
24: #include "xmalloc.h"
25: #include "log.h"
26: #include "pathnames.h"
1.16 mouring 27: #include "misc.h"
1.1 djm 28:
29: #include "sftp.h"
30: #include "sftp-common.h"
31: #include "sftp-client.h"
1.43 djm 32:
1.44 ! djm 33: /* File to read commands from */
! 34: FILE* infile;
1.15 mouring 35:
1.44 ! djm 36: /* Are we in batchfile mode? */
1.39 djm 37: int batchmode = 0;
1.44 ! djm 38:
! 39: /* Size of buffer used when copying files */
1.24 djm 40: size_t copy_buffer_len = 32768;
1.44 ! djm 41:
! 42: /* Number of concurrent outstanding requests */
1.26 djm 43: size_t num_requests = 16;
1.44 ! djm 44:
! 45: /* PID of ssh transport process */
1.36 djm 46: static pid_t sshpid = -1;
1.7 markus 47:
1.44 ! djm 48: /* This is set to 0 if the progressmeter is not desired. */
! 49: int showprogress;
! 50:
! 51: int remote_glob(struct sftp_conn *, const char *, int,
! 52: int (*)(const char *, int), glob_t *); /* proto for sftp-glob.c */
! 53:
! 54: /* Separators for interactive commands */
! 55: #define WHITESPACE " \t\r\n"
! 56:
! 57: /* Define what type of ls view (0 - multi-column) */
! 58: #define LONG_VIEW 1 /* Full view ala ls -l */
! 59: #define SHORT_VIEW 2 /* Single row view ala ls -1 */
! 60:
! 61: /* Commands for interactive mode */
! 62: #define I_CHDIR 1
! 63: #define I_CHGRP 2
! 64: #define I_CHMOD 3
! 65: #define I_CHOWN 4
! 66: #define I_GET 5
! 67: #define I_HELP 6
! 68: #define I_LCHDIR 7
! 69: #define I_LLS 8
! 70: #define I_LMKDIR 9
! 71: #define I_LPWD 10
! 72: #define I_LS 11
! 73: #define I_LUMASK 12
! 74: #define I_MKDIR 13
! 75: #define I_PUT 14
! 76: #define I_PWD 15
! 77: #define I_QUIT 16
! 78: #define I_RENAME 17
! 79: #define I_RM 18
! 80: #define I_RMDIR 19
! 81: #define I_SHELL 20
! 82: #define I_SYMLINK 21
! 83: #define I_VERSION 22
! 84: #define I_PROGRESS 23
! 85:
! 86: struct CMD {
! 87: const char *c;
! 88: const int n;
! 89: };
! 90:
! 91: static const struct CMD cmds[] = {
! 92: { "bye", I_QUIT },
! 93: { "cd", I_CHDIR },
! 94: { "chdir", I_CHDIR },
! 95: { "chgrp", I_CHGRP },
! 96: { "chmod", I_CHMOD },
! 97: { "chown", I_CHOWN },
! 98: { "dir", I_LS },
! 99: { "exit", I_QUIT },
! 100: { "get", I_GET },
! 101: { "mget", I_GET },
! 102: { "help", I_HELP },
! 103: { "lcd", I_LCHDIR },
! 104: { "lchdir", I_LCHDIR },
! 105: { "lls", I_LLS },
! 106: { "lmkdir", I_LMKDIR },
! 107: { "ln", I_SYMLINK },
! 108: { "lpwd", I_LPWD },
! 109: { "ls", I_LS },
! 110: { "lumask", I_LUMASK },
! 111: { "mkdir", I_MKDIR },
! 112: { "progress", I_PROGRESS },
! 113: { "put", I_PUT },
! 114: { "mput", I_PUT },
! 115: { "pwd", I_PWD },
! 116: { "quit", I_QUIT },
! 117: { "rename", I_RENAME },
! 118: { "rm", I_RM },
! 119: { "rmdir", I_RMDIR },
! 120: { "symlink", I_SYMLINK },
! 121: { "version", I_VERSION },
! 122: { "!", I_SHELL },
! 123: { "?", I_HELP },
! 124: { NULL, -1}
! 125: };
! 126:
! 127: int interactive_loop(int fd_in, int fd_out, char *file1, char *file2);
! 128:
! 129: static void
! 130: help(void)
! 131: {
! 132: printf("Available commands:\n");
! 133: printf("cd path Change remote directory to 'path'\n");
! 134: printf("lcd path Change local directory to 'path'\n");
! 135: printf("chgrp grp path Change group of file 'path' to 'grp'\n");
! 136: printf("chmod mode path Change permissions of file 'path' to 'mode'\n");
! 137: printf("chown own path Change owner of file 'path' to 'own'\n");
! 138: printf("help Display this help text\n");
! 139: printf("get remote-path [local-path] Download file\n");
! 140: printf("lls [ls-options [path]] Display local directory listing\n");
! 141: printf("ln oldpath newpath Symlink remote file\n");
! 142: printf("lmkdir path Create local directory\n");
! 143: printf("lpwd Print local working directory\n");
! 144: printf("ls [path] Display remote directory listing\n");
! 145: printf("lumask umask Set local umask to 'umask'\n");
! 146: printf("mkdir path Create remote directory\n");
! 147: printf("progress Toggle display of progress meter\n");
! 148: printf("put local-path [remote-path] Upload file\n");
! 149: printf("pwd Display remote working directory\n");
! 150: printf("exit Quit sftp\n");
! 151: printf("quit Quit sftp\n");
! 152: printf("rename oldpath newpath Rename remote file\n");
! 153: printf("rmdir path Remove remote directory\n");
! 154: printf("rm path Delete remote file\n");
! 155: printf("symlink oldpath newpath Symlink remote file\n");
! 156: printf("version Show SFTP version\n");
! 157: printf("!command Execute 'command' in local shell\n");
! 158: printf("! Escape to local shell\n");
! 159: printf("? Synonym for help\n");
! 160: }
! 161:
! 162: static void
! 163: local_do_shell(const char *args)
! 164: {
! 165: int status;
! 166: char *shell;
! 167: pid_t pid;
! 168:
! 169: if (!*args)
! 170: args = NULL;
! 171:
! 172: if ((shell = getenv("SHELL")) == NULL)
! 173: shell = _PATH_BSHELL;
! 174:
! 175: if ((pid = fork()) == -1)
! 176: fatal("Couldn't fork: %s", strerror(errno));
! 177:
! 178: if (pid == 0) {
! 179: /* XXX: child has pipe fds to ssh subproc open - issue? */
! 180: if (args) {
! 181: debug3("Executing %s -c \"%s\"", shell, args);
! 182: execl(shell, shell, "-c", args, (char *)NULL);
! 183: } else {
! 184: debug3("Executing %s", shell);
! 185: execl(shell, shell, (char *)NULL);
! 186: }
! 187: fprintf(stderr, "Couldn't execute \"%s\": %s\n", shell,
! 188: strerror(errno));
! 189: _exit(1);
! 190: }
! 191: while (waitpid(pid, &status, 0) == -1)
! 192: if (errno != EINTR)
! 193: fatal("Couldn't wait for child: %s", strerror(errno));
! 194: if (!WIFEXITED(status))
! 195: error("Shell exited abormally");
! 196: else if (WEXITSTATUS(status))
! 197: error("Shell exited with status %d", WEXITSTATUS(status));
! 198: }
! 199:
! 200: static void
! 201: local_do_ls(const char *args)
! 202: {
! 203: if (!args || !*args)
! 204: local_do_shell(_PATH_LS);
! 205: else {
! 206: int len = strlen(_PATH_LS " ") + strlen(args) + 1;
! 207: char *buf = xmalloc(len);
! 208:
! 209: /* XXX: quoting - rip quoting code from ftp? */
! 210: snprintf(buf, len, _PATH_LS " %s", args);
! 211: local_do_shell(buf);
! 212: xfree(buf);
! 213: }
! 214: }
! 215:
! 216: /* Strip one path (usually the pwd) from the start of another */
! 217: static char *
! 218: path_strip(char *path, char *strip)
! 219: {
! 220: size_t len;
! 221:
! 222: if (strip == NULL)
! 223: return (xstrdup(path));
! 224:
! 225: len = strlen(strip);
! 226: if (strip != NULL && strncmp(path, strip, len) == 0) {
! 227: if (strip[len - 1] != '/' && path[len] == '/')
! 228: len++;
! 229: return (xstrdup(path + len));
! 230: }
! 231:
! 232: return (xstrdup(path));
! 233: }
! 234:
! 235: static char *
! 236: path_append(char *p1, char *p2)
! 237: {
! 238: char *ret;
! 239: int len = strlen(p1) + strlen(p2) + 2;
! 240:
! 241: ret = xmalloc(len);
! 242: strlcpy(ret, p1, len);
! 243: if (p1[strlen(p1) - 1] != '/')
! 244: strlcat(ret, "/", len);
! 245: strlcat(ret, p2, len);
! 246:
! 247: return(ret);
! 248: }
! 249:
! 250: static char *
! 251: make_absolute(char *p, char *pwd)
! 252: {
! 253: char *abs;
! 254:
! 255: /* Derelativise */
! 256: if (p && p[0] != '/') {
! 257: abs = path_append(pwd, p);
! 258: xfree(p);
! 259: return(abs);
! 260: } else
! 261: return(p);
! 262: }
! 263:
! 264: static int
! 265: infer_path(const char *p, char **ifp)
! 266: {
! 267: char *cp;
! 268:
! 269: cp = strrchr(p, '/');
! 270: if (cp == NULL) {
! 271: *ifp = xstrdup(p);
! 272: return(0);
! 273: }
! 274:
! 275: if (!cp[1]) {
! 276: error("Invalid path");
! 277: return(-1);
! 278: }
! 279:
! 280: *ifp = xstrdup(cp + 1);
! 281: return(0);
! 282: }
! 283:
! 284: static int
! 285: parse_getput_flags(const char **cpp, int *pflag)
! 286: {
! 287: const char *cp = *cpp;
! 288:
! 289: /* Check for flags */
! 290: if (cp[0] == '-' && cp[1] && strchr(WHITESPACE, cp[2])) {
! 291: switch (cp[1]) {
! 292: case 'p':
! 293: case 'P':
! 294: *pflag = 1;
! 295: break;
! 296: default:
! 297: error("Invalid flag -%c", cp[1]);
! 298: return(-1);
! 299: }
! 300: cp += 2;
! 301: *cpp = cp + strspn(cp, WHITESPACE);
! 302: }
! 303:
! 304: return(0);
! 305: }
! 306:
! 307: static int
! 308: parse_ls_flags(const char **cpp, int *lflag)
! 309: {
! 310: const char *cp = *cpp;
! 311:
! 312: /* Check for flags */
! 313: if (cp++[0] == '-') {
! 314: for(; strchr(WHITESPACE, *cp) == NULL; cp++) {
! 315: switch (*cp) {
! 316: case 'l':
! 317: *lflag = LONG_VIEW;
! 318: break;
! 319: case '1':
! 320: *lflag = SHORT_VIEW;
! 321: break;
! 322: default:
! 323: error("Invalid flag -%c", *cp);
! 324: return(-1);
! 325: }
! 326: }
! 327: *cpp = cp + strspn(cp, WHITESPACE);
! 328: }
! 329:
! 330: return(0);
! 331: }
! 332:
! 333: static int
! 334: get_pathname(const char **cpp, char **path)
! 335: {
! 336: const char *cp = *cpp, *end;
! 337: char quot;
! 338: int i, j;
! 339:
! 340: cp += strspn(cp, WHITESPACE);
! 341: if (!*cp) {
! 342: *cpp = cp;
! 343: *path = NULL;
! 344: return (0);
! 345: }
! 346:
! 347: *path = xmalloc(strlen(cp) + 1);
! 348:
! 349: /* Check for quoted filenames */
! 350: if (*cp == '\"' || *cp == '\'') {
! 351: quot = *cp++;
! 352:
! 353: /* Search for terminating quote, unescape some chars */
! 354: for (i = j = 0; i <= strlen(cp); i++) {
! 355: if (cp[i] == quot) { /* Found quote */
! 356: i++;
! 357: (*path)[j] = '\0';
! 358: break;
! 359: }
! 360: if (cp[i] == '\0') { /* End of string */
! 361: error("Unterminated quote");
! 362: goto fail;
! 363: }
! 364: if (cp[i] == '\\') { /* Escaped characters */
! 365: i++;
! 366: if (cp[i] != '\'' && cp[i] != '\"' &&
! 367: cp[i] != '\\') {
! 368: error("Bad escaped character '\%c'",
! 369: cp[i]);
! 370: goto fail;
! 371: }
! 372: }
! 373: (*path)[j++] = cp[i];
! 374: }
! 375:
! 376: if (j == 0) {
! 377: error("Empty quotes");
! 378: goto fail;
! 379: }
! 380: *cpp = cp + i + strspn(cp + i, WHITESPACE);
! 381: } else {
! 382: /* Read to end of filename */
! 383: end = strpbrk(cp, WHITESPACE);
! 384: if (end == NULL)
! 385: end = strchr(cp, '\0');
! 386: *cpp = end + strspn(end, WHITESPACE);
! 387:
! 388: memcpy(*path, cp, end - cp);
! 389: (*path)[end - cp] = '\0';
! 390: }
! 391: return (0);
! 392:
! 393: fail:
! 394: xfree(*path);
! 395: *path = NULL;
! 396: return (-1);
! 397: }
! 398:
! 399: static int
! 400: is_dir(char *path)
! 401: {
! 402: struct stat sb;
! 403:
! 404: /* XXX: report errors? */
! 405: if (stat(path, &sb) == -1)
! 406: return(0);
! 407:
! 408: return(sb.st_mode & S_IFDIR);
! 409: }
! 410:
! 411: static int
! 412: is_reg(char *path)
! 413: {
! 414: struct stat sb;
! 415:
! 416: if (stat(path, &sb) == -1)
! 417: fatal("stat %s: %s", path, strerror(errno));
! 418:
! 419: return(S_ISREG(sb.st_mode));
! 420: }
! 421:
! 422: static int
! 423: remote_is_dir(struct sftp_conn *conn, char *path)
! 424: {
! 425: Attrib *a;
! 426:
! 427: /* XXX: report errors? */
! 428: if ((a = do_stat(conn, path, 1)) == NULL)
! 429: return(0);
! 430: if (!(a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS))
! 431: return(0);
! 432: return(a->perm & S_IFDIR);
! 433: }
! 434:
! 435: static int
! 436: process_get(struct sftp_conn *conn, char *src, char *dst, char *pwd, int pflag)
! 437: {
! 438: char *abs_src = NULL;
! 439: char *abs_dst = NULL;
! 440: char *tmp;
! 441: glob_t g;
! 442: int err = 0;
! 443: int i;
! 444:
! 445: abs_src = xstrdup(src);
! 446: abs_src = make_absolute(abs_src, pwd);
! 447:
! 448: memset(&g, 0, sizeof(g));
! 449: debug3("Looking up %s", abs_src);
! 450: if (remote_glob(conn, abs_src, 0, NULL, &g)) {
! 451: error("File \"%s\" not found.", abs_src);
! 452: err = -1;
! 453: goto out;
! 454: }
! 455:
! 456: /* If multiple matches, dst must be a directory or unspecified */
! 457: if (g.gl_matchc > 1 && dst && !is_dir(dst)) {
! 458: error("Multiple files match, but \"%s\" is not a directory",
! 459: dst);
! 460: err = -1;
! 461: goto out;
! 462: }
! 463:
! 464: for (i = 0; g.gl_pathv[i]; i++) {
! 465: if (infer_path(g.gl_pathv[i], &tmp)) {
! 466: err = -1;
! 467: goto out;
! 468: }
! 469:
! 470: if (g.gl_matchc == 1 && dst) {
! 471: /* If directory specified, append filename */
! 472: if (is_dir(dst)) {
! 473: if (infer_path(g.gl_pathv[0], &tmp)) {
! 474: err = 1;
! 475: goto out;
! 476: }
! 477: abs_dst = path_append(dst, tmp);
! 478: xfree(tmp);
! 479: } else
! 480: abs_dst = xstrdup(dst);
! 481: } else if (dst) {
! 482: abs_dst = path_append(dst, tmp);
! 483: xfree(tmp);
! 484: } else
! 485: abs_dst = tmp;
! 486:
! 487: printf("Fetching %s to %s\n", g.gl_pathv[i], abs_dst);
! 488: if (do_download(conn, g.gl_pathv[i], abs_dst, pflag) == -1)
! 489: err = -1;
! 490: xfree(abs_dst);
! 491: abs_dst = NULL;
! 492: }
! 493:
! 494: out:
! 495: xfree(abs_src);
! 496: if (abs_dst)
! 497: xfree(abs_dst);
! 498: globfree(&g);
! 499: return(err);
! 500: }
! 501:
! 502: static int
! 503: process_put(struct sftp_conn *conn, char *src, char *dst, char *pwd, int pflag)
! 504: {
! 505: char *tmp_dst = NULL;
! 506: char *abs_dst = NULL;
! 507: char *tmp;
! 508: glob_t g;
! 509: int err = 0;
! 510: int i;
! 511:
! 512: if (dst) {
! 513: tmp_dst = xstrdup(dst);
! 514: tmp_dst = make_absolute(tmp_dst, pwd);
! 515: }
! 516:
! 517: memset(&g, 0, sizeof(g));
! 518: debug3("Looking up %s", src);
! 519: if (glob(src, 0, NULL, &g)) {
! 520: error("File \"%s\" not found.", src);
! 521: err = -1;
! 522: goto out;
! 523: }
! 524:
! 525: /* If multiple matches, dst may be directory or unspecified */
! 526: if (g.gl_matchc > 1 && tmp_dst && !remote_is_dir(conn, tmp_dst)) {
! 527: error("Multiple files match, but \"%s\" is not a directory",
! 528: tmp_dst);
! 529: err = -1;
! 530: goto out;
! 531: }
! 532:
! 533: for (i = 0; g.gl_pathv[i]; i++) {
! 534: if (!is_reg(g.gl_pathv[i])) {
! 535: error("skipping non-regular file %s",
! 536: g.gl_pathv[i]);
! 537: continue;
! 538: }
! 539: if (infer_path(g.gl_pathv[i], &tmp)) {
! 540: err = -1;
! 541: goto out;
! 542: }
! 543:
! 544: if (g.gl_matchc == 1 && tmp_dst) {
! 545: /* If directory specified, append filename */
! 546: if (remote_is_dir(conn, tmp_dst)) {
! 547: if (infer_path(g.gl_pathv[0], &tmp)) {
! 548: err = 1;
! 549: goto out;
! 550: }
! 551: abs_dst = path_append(tmp_dst, tmp);
! 552: xfree(tmp);
! 553: } else
! 554: abs_dst = xstrdup(tmp_dst);
! 555:
! 556: } else if (tmp_dst) {
! 557: abs_dst = path_append(tmp_dst, tmp);
! 558: xfree(tmp);
! 559: } else
! 560: abs_dst = make_absolute(tmp, pwd);
! 561:
! 562: printf("Uploading %s to %s\n", g.gl_pathv[i], abs_dst);
! 563: if (do_upload(conn, g.gl_pathv[i], abs_dst, pflag) == -1)
! 564: err = -1;
! 565: }
! 566:
! 567: out:
! 568: if (abs_dst)
! 569: xfree(abs_dst);
! 570: if (tmp_dst)
! 571: xfree(tmp_dst);
! 572: globfree(&g);
! 573: return(err);
! 574: }
! 575:
! 576: static int
! 577: sdirent_comp(const void *aa, const void *bb)
! 578: {
! 579: SFTP_DIRENT *a = *(SFTP_DIRENT **)aa;
! 580: SFTP_DIRENT *b = *(SFTP_DIRENT **)bb;
! 581:
! 582: return (strcmp(a->filename, b->filename));
! 583: }
! 584:
! 585: /* sftp ls.1 replacement for directories */
! 586: static int
! 587: do_ls_dir(struct sftp_conn *conn, char *path, char *strip_path, int lflag)
! 588: {
! 589: int n, c = 1, colspace = 0, columns = 1;
! 590: SFTP_DIRENT **d;
! 591:
! 592: if ((n = do_readdir(conn, path, &d)) != 0)
! 593: return (n);
! 594:
! 595: if (!(lflag & SHORT_VIEW)) {
! 596: int m = 0, width = 80;
! 597: struct winsize ws;
! 598: char *tmp;
! 599:
! 600: /* Count entries for sort and find longest filename */
! 601: for (n = 0; d[n] != NULL; n++)
! 602: m = MAX(m, strlen(d[n]->filename));
! 603:
! 604: /* Add any subpath that also needs to be counted */
! 605: tmp = path_strip(path, strip_path);
! 606: m += strlen(tmp);
! 607: xfree(tmp);
! 608:
! 609: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
! 610: width = ws.ws_col;
! 611:
! 612: columns = width / (m + 2);
! 613: columns = MAX(columns, 1);
! 614: colspace = width / columns;
! 615: colspace = MIN(colspace, width);
! 616: }
! 617:
! 618: qsort(d, n, sizeof(*d), sdirent_comp);
! 619:
! 620: for (n = 0; d[n] != NULL; n++) {
! 621: char *tmp, *fname;
! 622:
! 623: tmp = path_append(path, d[n]->filename);
! 624: fname = path_strip(tmp, strip_path);
! 625: xfree(tmp);
! 626:
! 627: if (lflag & LONG_VIEW) {
! 628: char *lname;
! 629: struct stat sb;
! 630:
! 631: memset(&sb, 0, sizeof(sb));
! 632: attrib_to_stat(&d[n]->a, &sb);
! 633: lname = ls_file(fname, &sb, 1);
! 634: printf("%s\n", lname);
! 635: xfree(lname);
! 636: } else {
! 637: printf("%-*s", colspace, fname);
! 638: if (c >= columns) {
! 639: printf("\n");
! 640: c = 1;
! 641: } else
! 642: c++;
! 643: }
! 644:
! 645: xfree(fname);
! 646: }
! 647:
! 648: if (!(lflag & LONG_VIEW) && (c != 1))
! 649: printf("\n");
! 650:
! 651: free_sftp_dirents(d);
! 652: return (0);
! 653: }
! 654:
! 655: /* sftp ls.1 replacement which handles path globs */
! 656: static int
! 657: do_globbed_ls(struct sftp_conn *conn, char *path, char *strip_path,
! 658: int lflag)
! 659: {
! 660: glob_t g;
! 661: int i, c = 1, colspace = 0, columns = 1;
! 662: Attrib *a;
! 663:
! 664: memset(&g, 0, sizeof(g));
! 665:
! 666: if (remote_glob(conn, path, GLOB_MARK|GLOB_NOCHECK|GLOB_BRACE,
! 667: NULL, &g)) {
! 668: error("Can't ls: \"%s\" not found", path);
! 669: return (-1);
! 670: }
! 671:
! 672: /*
! 673: * If the glob returns a single match, which is the same as the
! 674: * input glob, and it is a directory, then just list its contents
! 675: */
! 676: if (g.gl_pathc == 1 &&
! 677: strncmp(path, g.gl_pathv[0], strlen(g.gl_pathv[0]) - 1) == 0) {
! 678: if ((a = do_lstat(conn, path, 1)) == NULL) {
! 679: globfree(&g);
! 680: return (-1);
! 681: }
! 682: if ((a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) &&
! 683: S_ISDIR(a->perm)) {
! 684: globfree(&g);
! 685: return (do_ls_dir(conn, path, strip_path, lflag));
! 686: }
! 687: }
! 688:
! 689: if (!(lflag & SHORT_VIEW)) {
! 690: int m = 0, width = 80;
! 691: struct winsize ws;
! 692:
! 693: /* Count entries for sort and find longest filename */
! 694: for (i = 0; g.gl_pathv[i]; i++)
! 695: m = MAX(m, strlen(g.gl_pathv[i]));
! 696:
! 697: if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
! 698: width = ws.ws_col;
! 699:
! 700: columns = width / (m + 2);
! 701: columns = MAX(columns, 1);
! 702: colspace = width / columns;
! 703: }
! 704:
! 705: for (i = 0; g.gl_pathv[i]; i++) {
! 706: char *fname;
! 707:
! 708: fname = path_strip(g.gl_pathv[i], strip_path);
! 709:
! 710: if (lflag & LONG_VIEW) {
! 711: char *lname;
! 712: struct stat sb;
! 713:
! 714: /*
! 715: * XXX: this is slow - 1 roundtrip per path
! 716: * A solution to this is to fork glob() and
! 717: * build a sftp specific version which keeps the
! 718: * attribs (which currently get thrown away)
! 719: * that the server returns as well as the filenames.
! 720: */
! 721: memset(&sb, 0, sizeof(sb));
! 722: a = do_lstat(conn, g.gl_pathv[i], 1);
! 723: if (a != NULL)
! 724: attrib_to_stat(a, &sb);
! 725: lname = ls_file(fname, &sb, 1);
! 726: printf("%s\n", lname);
! 727: xfree(lname);
! 728: } else {
! 729: printf("%-*s", colspace, fname);
! 730: if (c >= columns) {
! 731: printf("\n");
! 732: c = 1;
! 733: } else
! 734: c++;
! 735: }
! 736: xfree(fname);
! 737: }
! 738:
! 739: if (!(lflag & LONG_VIEW) && (c != 1))
! 740: printf("\n");
! 741:
! 742: if (g.gl_pathc)
! 743: globfree(&g);
! 744:
! 745: return (0);
! 746: }
! 747:
! 748: static int
! 749: parse_args(const char **cpp, int *pflag, int *lflag, int *iflag,
! 750: unsigned long *n_arg, char **path1, char **path2)
! 751: {
! 752: const char *cmd, *cp = *cpp;
! 753: char *cp2;
! 754: int base = 0;
! 755: long l;
! 756: int i, cmdnum;
! 757:
! 758: /* Skip leading whitespace */
! 759: cp = cp + strspn(cp, WHITESPACE);
! 760:
! 761: /* Ignore blank lines and lines which begin with comment '#' char */
! 762: if (*cp == '\0' || *cp == '#')
! 763: return (0);
! 764:
! 765: /* Check for leading '-' (disable error processing) */
! 766: *iflag = 0;
! 767: if (*cp == '-') {
! 768: *iflag = 1;
! 769: cp++;
! 770: }
! 771:
! 772: /* Figure out which command we have */
! 773: for (i = 0; cmds[i].c; i++) {
! 774: int cmdlen = strlen(cmds[i].c);
! 775:
! 776: /* Check for command followed by whitespace */
! 777: if (!strncasecmp(cp, cmds[i].c, cmdlen) &&
! 778: strchr(WHITESPACE, cp[cmdlen])) {
! 779: cp += cmdlen;
! 780: cp = cp + strspn(cp, WHITESPACE);
! 781: break;
! 782: }
! 783: }
! 784: cmdnum = cmds[i].n;
! 785: cmd = cmds[i].c;
! 786:
! 787: /* Special case */
! 788: if (*cp == '!') {
! 789: cp++;
! 790: cmdnum = I_SHELL;
! 791: } else if (cmdnum == -1) {
! 792: error("Invalid command.");
! 793: return (-1);
! 794: }
! 795:
! 796: /* Get arguments and parse flags */
! 797: *lflag = *pflag = *n_arg = 0;
! 798: *path1 = *path2 = NULL;
! 799: switch (cmdnum) {
! 800: case I_GET:
! 801: case I_PUT:
! 802: if (parse_getput_flags(&cp, pflag))
! 803: return(-1);
! 804: /* Get first pathname (mandatory) */
! 805: if (get_pathname(&cp, path1))
! 806: return(-1);
! 807: if (*path1 == NULL) {
! 808: error("You must specify at least one path after a "
! 809: "%s command.", cmd);
! 810: return(-1);
! 811: }
! 812: /* Try to get second pathname (optional) */
! 813: if (get_pathname(&cp, path2))
! 814: return(-1);
! 815: break;
! 816: case I_RENAME:
! 817: case I_SYMLINK:
! 818: if (get_pathname(&cp, path1))
! 819: return(-1);
! 820: if (get_pathname(&cp, path2))
! 821: return(-1);
! 822: if (!*path1 || !*path2) {
! 823: error("You must specify two paths after a %s "
! 824: "command.", cmd);
! 825: return(-1);
! 826: }
! 827: break;
! 828: case I_RM:
! 829: case I_MKDIR:
! 830: case I_RMDIR:
! 831: case I_CHDIR:
! 832: case I_LCHDIR:
! 833: case I_LMKDIR:
! 834: /* Get pathname (mandatory) */
! 835: if (get_pathname(&cp, path1))
! 836: return(-1);
! 837: if (*path1 == NULL) {
! 838: error("You must specify a path after a %s command.",
! 839: cmd);
! 840: return(-1);
! 841: }
! 842: break;
! 843: case I_LS:
! 844: if (parse_ls_flags(&cp, lflag))
! 845: return(-1);
! 846: /* Path is optional */
! 847: if (get_pathname(&cp, path1))
! 848: return(-1);
! 849: break;
! 850: case I_LLS:
! 851: case I_SHELL:
! 852: /* Uses the rest of the line */
! 853: break;
! 854: case I_LUMASK:
! 855: base = 8;
! 856: case I_CHMOD:
! 857: base = 8;
! 858: case I_CHOWN:
! 859: case I_CHGRP:
! 860: /* Get numeric arg (mandatory) */
! 861: l = strtol(cp, &cp2, base);
! 862: if (cp2 == cp || ((l == LONG_MIN || l == LONG_MAX) &&
! 863: errno == ERANGE) || l < 0) {
! 864: error("You must supply a numeric argument "
! 865: "to the %s command.", cmd);
! 866: return(-1);
! 867: }
! 868: cp = cp2;
! 869: *n_arg = l;
! 870: if (cmdnum == I_LUMASK && strchr(WHITESPACE, *cp))
! 871: break;
! 872: if (cmdnum == I_LUMASK || !strchr(WHITESPACE, *cp)) {
! 873: error("You must supply a numeric argument "
! 874: "to the %s command.", cmd);
! 875: return(-1);
! 876: }
! 877: cp += strspn(cp, WHITESPACE);
! 878:
! 879: /* Get pathname (mandatory) */
! 880: if (get_pathname(&cp, path1))
! 881: return(-1);
! 882: if (*path1 == NULL) {
! 883: error("You must specify a path after a %s command.",
! 884: cmd);
! 885: return(-1);
! 886: }
! 887: break;
! 888: case I_QUIT:
! 889: case I_PWD:
! 890: case I_LPWD:
! 891: case I_HELP:
! 892: case I_VERSION:
! 893: case I_PROGRESS:
! 894: break;
! 895: default:
! 896: fatal("Command not implemented");
! 897: }
! 898:
! 899: *cpp = cp;
! 900: return(cmdnum);
! 901: }
! 902:
! 903: static int
! 904: parse_dispatch_command(struct sftp_conn *conn, const char *cmd, char **pwd,
! 905: int err_abort)
! 906: {
! 907: char *path1, *path2, *tmp;
! 908: int pflag, lflag, iflag, cmdnum, i;
! 909: unsigned long n_arg;
! 910: Attrib a, *aa;
! 911: char path_buf[MAXPATHLEN];
! 912: int err = 0;
! 913: glob_t g;
! 914:
! 915: path1 = path2 = NULL;
! 916: cmdnum = parse_args(&cmd, &pflag, &lflag, &iflag, &n_arg,
! 917: &path1, &path2);
! 918:
! 919: if (iflag != 0)
! 920: err_abort = 0;
! 921:
! 922: memset(&g, 0, sizeof(g));
! 923:
! 924: /* Perform command */
! 925: switch (cmdnum) {
! 926: case 0:
! 927: /* Blank line */
! 928: break;
! 929: case -1:
! 930: /* Unrecognized command */
! 931: err = -1;
! 932: break;
! 933: case I_GET:
! 934: err = process_get(conn, path1, path2, *pwd, pflag);
! 935: break;
! 936: case I_PUT:
! 937: err = process_put(conn, path1, path2, *pwd, pflag);
! 938: break;
! 939: case I_RENAME:
! 940: path1 = make_absolute(path1, *pwd);
! 941: path2 = make_absolute(path2, *pwd);
! 942: err = do_rename(conn, path1, path2);
! 943: break;
! 944: case I_SYMLINK:
! 945: path2 = make_absolute(path2, *pwd);
! 946: err = do_symlink(conn, path1, path2);
! 947: break;
! 948: case I_RM:
! 949: path1 = make_absolute(path1, *pwd);
! 950: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
! 951: for (i = 0; g.gl_pathv[i]; i++) {
! 952: printf("Removing %s\n", g.gl_pathv[i]);
! 953: err = do_rm(conn, g.gl_pathv[i]);
! 954: if (err != 0 && err_abort)
! 955: break;
! 956: }
! 957: break;
! 958: case I_MKDIR:
! 959: path1 = make_absolute(path1, *pwd);
! 960: attrib_clear(&a);
! 961: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
! 962: a.perm = 0777;
! 963: err = do_mkdir(conn, path1, &a);
! 964: break;
! 965: case I_RMDIR:
! 966: path1 = make_absolute(path1, *pwd);
! 967: err = do_rmdir(conn, path1);
! 968: break;
! 969: case I_CHDIR:
! 970: path1 = make_absolute(path1, *pwd);
! 971: if ((tmp = do_realpath(conn, path1)) == NULL) {
! 972: err = 1;
! 973: break;
! 974: }
! 975: if ((aa = do_stat(conn, tmp, 0)) == NULL) {
! 976: xfree(tmp);
! 977: err = 1;
! 978: break;
! 979: }
! 980: if (!(aa->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) {
! 981: error("Can't change directory: Can't check target");
! 982: xfree(tmp);
! 983: err = 1;
! 984: break;
! 985: }
! 986: if (!S_ISDIR(aa->perm)) {
! 987: error("Can't change directory: \"%s\" is not "
! 988: "a directory", tmp);
! 989: xfree(tmp);
! 990: err = 1;
! 991: break;
! 992: }
! 993: xfree(*pwd);
! 994: *pwd = tmp;
! 995: break;
! 996: case I_LS:
! 997: if (!path1) {
! 998: do_globbed_ls(conn, *pwd, *pwd, lflag);
! 999: break;
! 1000: }
! 1001:
! 1002: /* Strip pwd off beginning of non-absolute paths */
! 1003: tmp = NULL;
! 1004: if (*path1 != '/')
! 1005: tmp = *pwd;
! 1006:
! 1007: path1 = make_absolute(path1, *pwd);
! 1008: err = do_globbed_ls(conn, path1, tmp, lflag);
! 1009: break;
! 1010: case I_LCHDIR:
! 1011: if (chdir(path1) == -1) {
! 1012: error("Couldn't change local directory to "
! 1013: "\"%s\": %s", path1, strerror(errno));
! 1014: err = 1;
! 1015: }
! 1016: break;
! 1017: case I_LMKDIR:
! 1018: if (mkdir(path1, 0777) == -1) {
! 1019: error("Couldn't create local directory "
! 1020: "\"%s\": %s", path1, strerror(errno));
! 1021: err = 1;
! 1022: }
! 1023: break;
! 1024: case I_LLS:
! 1025: local_do_ls(cmd);
! 1026: break;
! 1027: case I_SHELL:
! 1028: local_do_shell(cmd);
! 1029: break;
! 1030: case I_LUMASK:
! 1031: umask(n_arg);
! 1032: printf("Local umask: %03lo\n", n_arg);
! 1033: break;
! 1034: case I_CHMOD:
! 1035: path1 = make_absolute(path1, *pwd);
! 1036: attrib_clear(&a);
! 1037: a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
! 1038: a.perm = n_arg;
! 1039: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
! 1040: for (i = 0; g.gl_pathv[i]; i++) {
! 1041: printf("Changing mode on %s\n", g.gl_pathv[i]);
! 1042: err = do_setstat(conn, g.gl_pathv[i], &a);
! 1043: if (err != 0 && err_abort)
! 1044: break;
! 1045: }
! 1046: break;
! 1047: case I_CHOWN:
! 1048: case I_CHGRP:
! 1049: path1 = make_absolute(path1, *pwd);
! 1050: remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
! 1051: for (i = 0; g.gl_pathv[i]; i++) {
! 1052: if (!(aa = do_stat(conn, g.gl_pathv[i], 0))) {
! 1053: if (err != 0 && err_abort)
! 1054: break;
! 1055: else
! 1056: continue;
! 1057: }
! 1058: if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) {
! 1059: error("Can't get current ownership of "
! 1060: "remote file \"%s\"", g.gl_pathv[i]);
! 1061: if (err != 0 && err_abort)
! 1062: break;
! 1063: else
! 1064: continue;
! 1065: }
! 1066: aa->flags &= SSH2_FILEXFER_ATTR_UIDGID;
! 1067: if (cmdnum == I_CHOWN) {
! 1068: printf("Changing owner on %s\n", g.gl_pathv[i]);
! 1069: aa->uid = n_arg;
! 1070: } else {
! 1071: printf("Changing group on %s\n", g.gl_pathv[i]);
! 1072: aa->gid = n_arg;
! 1073: }
! 1074: err = do_setstat(conn, g.gl_pathv[i], aa);
! 1075: if (err != 0 && err_abort)
! 1076: break;
! 1077: }
! 1078: break;
! 1079: case I_PWD:
! 1080: printf("Remote working directory: %s\n", *pwd);
! 1081: break;
! 1082: case I_LPWD:
! 1083: if (!getcwd(path_buf, sizeof(path_buf))) {
! 1084: error("Couldn't get local cwd: %s", strerror(errno));
! 1085: err = -1;
! 1086: break;
! 1087: }
! 1088: printf("Local working directory: %s\n", path_buf);
! 1089: break;
! 1090: case I_QUIT:
! 1091: /* Processed below */
! 1092: break;
! 1093: case I_HELP:
! 1094: help();
! 1095: break;
! 1096: case I_VERSION:
! 1097: printf("SFTP protocol version %u\n", sftp_proto_version(conn));
! 1098: break;
! 1099: case I_PROGRESS:
! 1100: showprogress = !showprogress;
! 1101: if (showprogress)
! 1102: printf("Progress meter enabled\n");
! 1103: else
! 1104: printf("Progress meter disabled\n");
! 1105: break;
! 1106: default:
! 1107: fatal("%d is not implemented", cmdnum);
! 1108: }
! 1109:
! 1110: if (g.gl_pathc)
! 1111: globfree(&g);
! 1112: if (path1)
! 1113: xfree(path1);
! 1114: if (path2)
! 1115: xfree(path2);
! 1116:
! 1117: /* If an unignored error occurs in batch mode we should abort. */
! 1118: if (err_abort && err != 0)
! 1119: return (-1);
! 1120: else if (cmdnum == I_QUIT)
! 1121: return (1);
! 1122:
! 1123: return (0);
! 1124: }
! 1125:
! 1126: int
! 1127: interactive_loop(int fd_in, int fd_out, char *file1, char *file2)
! 1128: {
! 1129: char *pwd;
! 1130: char *dir = NULL;
! 1131: char cmd[2048];
! 1132: struct sftp_conn *conn;
! 1133: int err;
! 1134:
! 1135: conn = do_init(fd_in, fd_out, copy_buffer_len, num_requests);
! 1136: if (conn == NULL)
! 1137: fatal("Couldn't initialise connection to server");
! 1138:
! 1139: pwd = do_realpath(conn, ".");
! 1140: if (pwd == NULL)
! 1141: fatal("Need cwd");
! 1142:
! 1143: if (file1 != NULL) {
! 1144: dir = xstrdup(file1);
! 1145: dir = make_absolute(dir, pwd);
! 1146:
! 1147: if (remote_is_dir(conn, dir) && file2 == NULL) {
! 1148: printf("Changing to: %s\n", dir);
! 1149: snprintf(cmd, sizeof cmd, "cd \"%s\"", dir);
! 1150: if (parse_dispatch_command(conn, cmd, &pwd, 1) != 0)
! 1151: return (-1);
! 1152: } else {
! 1153: if (file2 == NULL)
! 1154: snprintf(cmd, sizeof cmd, "get %s", dir);
! 1155: else
! 1156: snprintf(cmd, sizeof cmd, "get %s %s", dir,
! 1157: file2);
! 1158:
! 1159: err = parse_dispatch_command(conn, cmd, &pwd, 1);
! 1160: xfree(dir);
! 1161: xfree(pwd);
! 1162: return (err);
! 1163: }
! 1164: xfree(dir);
! 1165: }
! 1166:
! 1167: setvbuf(stdout, NULL, _IOLBF, 0);
! 1168: setvbuf(infile, NULL, _IOLBF, 0);
! 1169:
! 1170: err = 0;
! 1171: for (;;) {
! 1172: char *cp;
! 1173:
! 1174: printf("sftp> ");
! 1175:
! 1176: /* XXX: use libedit */
! 1177: if (fgets(cmd, sizeof(cmd), infile) == NULL) {
! 1178: printf("\n");
! 1179: break;
! 1180: }
! 1181:
! 1182: if (batchmode) /* Echo command */
! 1183: printf("%s", cmd);
! 1184:
! 1185: cp = strrchr(cmd, '\n');
! 1186: if (cp)
! 1187: *cp = '\0';
! 1188:
! 1189: err = parse_dispatch_command(conn, cmd, &pwd, batchmode);
! 1190: if (err != 0)
! 1191: break;
! 1192: }
! 1193: xfree(pwd);
! 1194:
! 1195: /* err == 1 signifies normal "quit" exit */
! 1196: return (err >= 0 ? 0 : -1);
! 1197: }
1.34 fgsch 1198:
1.18 itojun 1199: static void
1.36 djm 1200: killchild(int signo)
1201: {
1202: if (sshpid > 1)
1203: kill(sshpid, signo);
1204:
1205: _exit(1);
1206: }
1207:
1208: static void
1209: connect_to_server(char *path, char **args, int *in, int *out)
1.1 djm 1210: {
1211: int c_in, c_out;
1.30 deraadt 1212:
1.1 djm 1213: #ifdef USE_PIPES
1214: int pin[2], pout[2];
1.30 deraadt 1215:
1.1 djm 1216: if ((pipe(pin) == -1) || (pipe(pout) == -1))
1217: fatal("pipe: %s", strerror(errno));
1218: *in = pin[0];
1219: *out = pout[1];
1220: c_in = pout[0];
1221: c_out = pin[1];
1222: #else /* USE_PIPES */
1223: int inout[2];
1.30 deraadt 1224:
1.1 djm 1225: if (socketpair(AF_UNIX, SOCK_STREAM, 0, inout) == -1)
1226: fatal("socketpair: %s", strerror(errno));
1227: *in = *out = inout[0];
1228: c_in = c_out = inout[1];
1229: #endif /* USE_PIPES */
1230:
1.36 djm 1231: if ((sshpid = fork()) == -1)
1.1 djm 1232: fatal("fork: %s", strerror(errno));
1.36 djm 1233: else if (sshpid == 0) {
1.1 djm 1234: if ((dup2(c_in, STDIN_FILENO) == -1) ||
1235: (dup2(c_out, STDOUT_FILENO) == -1)) {
1236: fprintf(stderr, "dup2: %s\n", strerror(errno));
1237: exit(1);
1238: }
1239: close(*in);
1240: close(*out);
1241: close(c_in);
1242: close(c_out);
1.23 djm 1243: execv(path, args);
1244: fprintf(stderr, "exec: %s: %s\n", path, strerror(errno));
1.1 djm 1245: exit(1);
1246: }
1247:
1.36 djm 1248: signal(SIGTERM, killchild);
1249: signal(SIGINT, killchild);
1250: signal(SIGHUP, killchild);
1.1 djm 1251: close(c_in);
1252: close(c_out);
1253: }
1254:
1.18 itojun 1255: static void
1.1 djm 1256: usage(void)
1257: {
1.25 mpech 1258: extern char *__progname;
1.27 markus 1259:
1.19 stevesk 1260: fprintf(stderr,
1.38 jmc 1261: "usage: %s [-1Cv] [-B buffer_size] [-b batchfile] [-F ssh_config]\n"
1262: " [-o ssh_option] [-P sftp_server_path] [-R num_requests]\n"
1263: " [-S program] [-s subsystem | sftp_server] host\n"
1264: " %s [[user@]host[:file [file]]]\n"
1265: " %s [[user@]host[:dir[/]]]\n"
1266: " %s -b batchfile [user@]host\n", __progname, __progname, __progname, __progname);
1.1 djm 1267: exit(1);
1268: }
1269:
1.2 stevesk 1270: int
1.1 djm 1271: main(int argc, char **argv)
1272: {
1.33 djm 1273: int in, out, ch, err;
1.14 mouring 1274: char *host, *userhost, *cp, *file2;
1.17 mouring 1275: int debug_level = 0, sshver = 2;
1276: char *file1 = NULL, *sftp_server = NULL;
1.23 djm 1277: char *ssh_program = _PATH_SSH_PROGRAM, *sftp_direct = NULL;
1.17 mouring 1278: LogLevel ll = SYSLOG_LEVEL_INFO;
1279: arglist args;
1.3 djm 1280: extern int optind;
1281: extern char *optarg;
1.1 djm 1282:
1.17 mouring 1283: args.list = NULL;
1.22 deraadt 1284: addargs(&args, "ssh"); /* overwritten with ssh_program */
1.17 mouring 1285: addargs(&args, "-oForwardX11 no");
1286: addargs(&args, "-oForwardAgent no");
1.21 stevesk 1287: addargs(&args, "-oClearAllForwardings yes");
1.40 djm 1288:
1.17 mouring 1289: ll = SYSLOG_LEVEL_INFO;
1.40 djm 1290: infile = stdin;
1.3 djm 1291:
1.26 djm 1292: while ((ch = getopt(argc, argv, "1hvCo:s:S:b:B:F:P:R:")) != -1) {
1.3 djm 1293: switch (ch) {
1294: case 'C':
1.17 mouring 1295: addargs(&args, "-C");
1.3 djm 1296: break;
1297: case 'v':
1.17 mouring 1298: if (debug_level < 3) {
1299: addargs(&args, "-v");
1300: ll = SYSLOG_LEVEL_DEBUG1 + debug_level;
1301: }
1302: debug_level++;
1.3 djm 1303: break;
1.19 stevesk 1304: case 'F':
1.3 djm 1305: case 'o':
1.19 stevesk 1306: addargs(&args, "-%c%s", ch, optarg);
1.7 markus 1307: break;
1308: case '1':
1.17 mouring 1309: sshver = 1;
1.7 markus 1310: if (sftp_server == NULL)
1311: sftp_server = _PATH_SFTP_SERVER;
1312: break;
1313: case 's':
1314: sftp_server = optarg;
1315: break;
1316: case 'S':
1317: ssh_program = optarg;
1.3 djm 1318: break;
1.10 deraadt 1319: case 'b':
1.39 djm 1320: if (batchmode)
1321: fatal("Batch file already specified.");
1322:
1323: /* Allow "-" as stdin */
1324: if (strcmp(optarg, "-") != 0 &&
1325: (infile = fopen(optarg, "r")) == NULL)
1326: fatal("%s (%s).", strerror(errno), optarg);
1.34 fgsch 1327: showprogress = 0;
1.39 djm 1328: batchmode = 1;
1.10 deraadt 1329: break;
1.23 djm 1330: case 'P':
1331: sftp_direct = optarg;
1.24 djm 1332: break;
1333: case 'B':
1334: copy_buffer_len = strtol(optarg, &cp, 10);
1335: if (copy_buffer_len == 0 || *cp != '\0')
1336: fatal("Invalid buffer size \"%s\"", optarg);
1.26 djm 1337: break;
1338: case 'R':
1339: num_requests = strtol(optarg, &cp, 10);
1340: if (num_requests == 0 || *cp != '\0')
1.27 markus 1341: fatal("Invalid number of requests \"%s\"",
1.26 djm 1342: optarg);
1.23 djm 1343: break;
1.3 djm 1344: case 'h':
1345: default:
1.1 djm 1346: usage();
1347: }
1348: }
1349:
1.29 markus 1350: log_init(argv[0], ll, SYSLOG_FACILITY_USER, 1);
1351:
1.23 djm 1352: if (sftp_direct == NULL) {
1353: if (optind == argc || argc > (optind + 2))
1354: usage();
1355:
1356: userhost = xstrdup(argv[optind]);
1357: file2 = argv[optind+1];
1.1 djm 1358:
1.32 markus 1359: if ((host = strrchr(userhost, '@')) == NULL)
1.23 djm 1360: host = userhost;
1361: else {
1362: *host++ = '\0';
1363: if (!userhost[0]) {
1364: fprintf(stderr, "Missing username\n");
1365: usage();
1366: }
1367: addargs(&args, "-l%s",userhost);
1.41 djm 1368: }
1369:
1370: if ((cp = colon(host)) != NULL) {
1371: *cp++ = '\0';
1372: file1 = cp;
1.23 djm 1373: }
1.3 djm 1374:
1.23 djm 1375: host = cleanhostname(host);
1376: if (!*host) {
1377: fprintf(stderr, "Missing hostname\n");
1.1 djm 1378: usage();
1379: }
1380:
1.23 djm 1381: addargs(&args, "-oProtocol %d", sshver);
1382:
1383: /* no subsystem if the server-spec contains a '/' */
1384: if (sftp_server == NULL || strchr(sftp_server, '/') == NULL)
1385: addargs(&args, "-s");
1386:
1387: addargs(&args, "%s", host);
1.27 markus 1388: addargs(&args, "%s", (sftp_server != NULL ?
1.23 djm 1389: sftp_server : "sftp"));
1390: args.list[0] = ssh_program;
1391:
1.39 djm 1392: if (!batchmode)
1393: fprintf(stderr, "Connecting to %s...\n", host);
1.36 djm 1394: connect_to_server(ssh_program, args.list, &in, &out);
1.23 djm 1395: } else {
1396: args.list = NULL;
1397: addargs(&args, "sftp-server");
1398:
1.39 djm 1399: if (!batchmode)
1400: fprintf(stderr, "Attaching to %s...\n", sftp_direct);
1.36 djm 1401: connect_to_server(sftp_direct, args.list, &in, &out);
1.1 djm 1402: }
1403:
1.33 djm 1404: err = interactive_loop(in, out, file1, file2);
1.1 djm 1405:
1406: close(in);
1407: close(out);
1.39 djm 1408: if (batchmode)
1.10 deraadt 1409: fclose(infile);
1.1 djm 1410:
1.28 markus 1411: while (waitpid(sshpid, NULL, 0) == -1)
1412: if (errno != EINTR)
1413: fatal("Couldn't wait for ssh process: %s",
1414: strerror(errno));
1.1 djm 1415:
1.33 djm 1416: exit(err == 0 ? 0 : 1);
1.1 djm 1417: }