2 * psftp.c: front end for PSFTP.
13 #define PUTTY_DO_GLOBALS
21 * Since SFTP is a request-response oriented protocol, it requires
22 * no buffer management: when we send data, we stop and wait for an
23 * acknowledgement _anyway_, and so we can't possibly overfill our
27 static int psftp_connect(char *userhost
, char *user
, int portnumber
);
28 static int do_sftp_init(void);
30 /* ----------------------------------------------------------------------
36 static void *backhandle
;
39 /* ----------------------------------------------------------------------
40 * Higher-level helper functions used in commands.
44 * Attempt to canonify a pathname starting from the pwd. If
45 * canonification fails, at least fall back to returning a _valid_
46 * pathname (though it may be ugly, eg /home/simon/../foobar).
48 char *canonify(char *name
)
50 char *fullname
, *canonname
;
51 struct sftp_packet
*pktin
;
52 struct sftp_request
*req
, *rreq
;
55 fullname
= dupstr(name
);
58 if (pwd
[strlen(pwd
) - 1] == '/')
62 fullname
= dupcat(pwd
, slash
, name
, NULL
);
65 sftp_register(req
= fxp_realpath_send(fullname
));
66 rreq
= sftp_find_request(pktin
= sftp_recv());
68 canonname
= fxp_realpath_recv(pktin
);
75 * Attempt number 2. Some FXP_REALPATH implementations
76 * (glibc-based ones, in particular) require the _whole_
77 * path to point to something that exists, whereas others
78 * (BSD-based) only require all but the last component to
79 * exist. So if the first call failed, we should strip off
80 * everything from the last slash onwards and try again,
81 * then put the final component back on.
85 * - if the last component is "/." or "/..", then we don't
86 * bother trying this because there's no way it can work.
88 * - if the thing actually ends with a "/", we remove it
89 * before we start. Except if the string is "/" itself
90 * (although I can't see why we'd have got here if so,
91 * because surely "/" would have worked the first
92 * time?), in which case we don't bother.
94 * - if there's no slash in the string at all, give up in
95 * confusion (we expect at least one because of the way
96 * we constructed the string).
102 i
= strlen(fullname
);
103 if (i
> 2 && fullname
[i
- 1] == '/')
104 fullname
[--i
] = '\0'; /* strip trailing / unless at pos 0 */
105 while (i
> 0 && fullname
[--i
] != '/');
108 * Give up on special cases.
110 if (fullname
[i
] != '/' || /* no slash at all */
111 !strcmp(fullname
+ i
, "/.") || /* ends in /. */
112 !strcmp(fullname
+ i
, "/..") || /* ends in /.. */
113 !strcmp(fullname
, "/")) {
118 * Now i points at the slash. Deal with the final special
119 * case i==0 (ie the whole path was "/nonexistentfile").
121 fullname
[i
] = '\0'; /* separate the string */
123 sftp_register(req
= fxp_realpath_send("/"));
125 sftp_register(req
= fxp_realpath_send(fullname
));
127 rreq
= sftp_find_request(pktin
= sftp_recv());
129 canonname
= fxp_realpath_recv(pktin
);
132 return fullname
; /* even that failed; give up */
135 * We have a canonical name for all but the last path
136 * component. Concatenate the last component and return.
138 returnname
= dupcat(canonname
,
139 canonname
[strlen(canonname
) - 1] ==
140 '/' ?
"" : "/", fullname
+ i
+ 1, NULL
);
148 * Return a pointer to the portion of str that comes after the last
149 * slash (or backslash or colon, if `local' is TRUE).
151 static char *stripslashes(char *str
, int local
)
156 p
= strchr(str
, ':');
160 p
= strrchr(str
, '/');
164 p
= strrchr(str
, '\\');
171 /* ----------------------------------------------------------------------
172 * Actual sftp commands.
174 struct sftp_command
{
176 int nwords
, wordssize
;
177 int (*obey
) (struct sftp_command
*); /* returns <0 to quit */
180 int sftp_cmd_null(struct sftp_command
*cmd
)
182 return 1; /* success */
185 int sftp_cmd_unknown(struct sftp_command
*cmd
)
187 printf("psftp: unknown command \"%s\"\n", cmd
->words
[0]);
188 return 0; /* failure */
191 int sftp_cmd_quit(struct sftp_command
*cmd
)
197 * List a directory. If no arguments are given, list pwd; otherwise
198 * list the directory given in words[1].
200 static int sftp_ls_compare(const void *av
, const void *bv
)
202 const struct fxp_name
*const *a
= (const struct fxp_name
*const *) av
;
203 const struct fxp_name
*const *b
= (const struct fxp_name
*const *) bv
;
204 return strcmp((*a
)->filename
, (*b
)->filename
);
206 int sftp_cmd_ls(struct sftp_command
*cmd
)
208 struct fxp_handle
*dirh
;
209 struct fxp_names
*names
;
210 struct fxp_name
**ournames
;
211 int nnames
, namesize
;
213 struct sftp_packet
*pktin
;
214 struct sftp_request
*req
, *rreq
;
218 printf("psftp: not connected to a host; use \"open host.name\"\n");
227 cdir
= canonify(dir
);
229 printf("%s: %s\n", dir
, fxp_error());
233 printf("Listing directory %s\n", cdir
);
235 sftp_register(req
= fxp_opendir_send(cdir
));
236 rreq
= sftp_find_request(pktin
= sftp_recv());
238 dirh
= fxp_opendir_recv(pktin
);
241 printf("Unable to open %s: %s\n", dir
, fxp_error());
243 nnames
= namesize
= 0;
248 sftp_register(req
= fxp_readdir_send(dirh
));
249 rreq
= sftp_find_request(pktin
= sftp_recv());
251 names
= fxp_readdir_recv(pktin
);
254 if (fxp_error_type() == SSH_FX_EOF
)
256 printf("Reading directory %s: %s\n", dir
, fxp_error());
259 if (names
->nnames
== 0) {
260 fxp_free_names(names
);
264 if (nnames
+ names
->nnames
>= namesize
) {
265 namesize
+= names
->nnames
+ 128;
266 ournames
= sresize(ournames
, namesize
, struct fxp_name
*);
269 for (i
= 0; i
< names
->nnames
; i
++)
270 ournames
[nnames
++] = fxp_dup_name(&names
->names
[i
]);
272 fxp_free_names(names
);
274 sftp_register(req
= fxp_close_send(dirh
));
275 rreq
= sftp_find_request(pktin
= sftp_recv());
277 fxp_close_recv(pktin
);
280 * Now we have our filenames. Sort them by actual file
281 * name, and then output the longname parts.
283 qsort(ournames
, nnames
, sizeof(*ournames
), sftp_ls_compare
);
288 for (i
= 0; i
< nnames
; i
++) {
289 printf("%s\n", ournames
[i
]->longname
);
290 fxp_free_name(ournames
[i
]);
301 * Change directories. We do this by canonifying the new name, then
302 * trying to OPENDIR it. Only if that succeeds do we set the new pwd.
304 int sftp_cmd_cd(struct sftp_command
*cmd
)
306 struct fxp_handle
*dirh
;
307 struct sftp_packet
*pktin
;
308 struct sftp_request
*req
, *rreq
;
312 printf("psftp: not connected to a host; use \"open host.name\"\n");
317 dir
= dupstr(homedir
);
319 dir
= canonify(cmd
->words
[1]);
322 printf("%s: %s\n", dir
, fxp_error());
326 sftp_register(req
= fxp_opendir_send(dir
));
327 rreq
= sftp_find_request(pktin
= sftp_recv());
329 dirh
= fxp_opendir_recv(pktin
);
332 printf("Directory %s: %s\n", dir
, fxp_error());
337 sftp_register(req
= fxp_close_send(dirh
));
338 rreq
= sftp_find_request(pktin
= sftp_recv());
340 fxp_close_recv(pktin
);
344 printf("Remote directory is now %s\n", pwd
);
350 * Print current directory. Easy as pie.
352 int sftp_cmd_pwd(struct sftp_command
*cmd
)
355 printf("psftp: not connected to a host; use \"open host.name\"\n");
359 printf("Remote directory is %s\n", pwd
);
364 * Get a file and save it at the local end. We have two very
365 * similar commands here: `get' and `reget', which differ in that
366 * `reget' checks for the existence of the destination file and
367 * starts from where a previous aborted transfer left off.
369 int sftp_general_get(struct sftp_command
*cmd
, int restart
)
371 struct fxp_handle
*fh
;
372 struct sftp_packet
*pktin
;
373 struct sftp_request
*req
, *rreq
;
374 char *fname
, *outfname
;
380 printf("psftp: not connected to a host; use \"open host.name\"\n");
384 if (cmd
->nwords
< 2) {
385 printf("get: expects a filename\n");
389 fname
= canonify(cmd
->words
[1]);
391 printf("%s: %s\n", cmd
->words
[1], fxp_error());
394 outfname
= (cmd
->nwords
== 2 ?
395 stripslashes(cmd
->words
[1], 0) : cmd
->words
[2]);
397 sftp_register(req
= fxp_open_send(fname
, SSH_FXF_READ
));
398 rreq
= sftp_find_request(pktin
= sftp_recv());
400 fh
= fxp_open_recv(pktin
);
403 printf("%s: %s\n", fname
, fxp_error());
409 fp
= fopen(outfname
, "rb+");
411 fp
= fopen(outfname
, "wb");
415 printf("local: unable to open %s\n", outfname
);
417 sftp_register(req
= fxp_close_send(fh
));
418 rreq
= sftp_find_request(pktin
= sftp_recv());
420 fxp_close_recv(pktin
);
428 fseek(fp
, 0L, SEEK_END
);
430 printf("reget: restarting at file position %ld\n", posn
);
431 offset
= uint64_make(0, posn
);
433 offset
= uint64_make(0, 0);
436 printf("remote:%s => local:%s\n", fname
, outfname
);
439 * FIXME: we can use FXP_FSTAT here to get the file size, and
440 * thus put up a progress bar.
448 sftp_register(req
= fxp_read_send(fh
, offset
, sizeof(buffer
)));
449 rreq
= sftp_find_request(pktin
= sftp_recv());
451 len
= fxp_read_recv(pktin
, buffer
, sizeof(buffer
));
453 if ((len
== -1 && fxp_error_type() == SSH_FX_EOF
) || len
== 0)
456 printf("error while reading: %s\n", fxp_error());
463 wlen
= fwrite(buffer
, 1, len
- wpos
, fp
);
465 printf("error while writing local file\n");
471 if (wpos
< len
) { /* we had an error */
475 offset
= uint64_add32(offset
, len
);
480 sftp_register(req
= fxp_close_send(fh
));
481 rreq
= sftp_find_request(pktin
= sftp_recv());
483 fxp_close_recv(pktin
);
489 int sftp_cmd_get(struct sftp_command
*cmd
)
491 return sftp_general_get(cmd
, 0);
493 int sftp_cmd_reget(struct sftp_command
*cmd
)
495 return sftp_general_get(cmd
, 1);
499 * Send a file and store it at the remote end. We have two very
500 * similar commands here: `put' and `reput', which differ in that
501 * `reput' checks for the existence of the destination file and
502 * starts from where a previous aborted transfer left off.
504 int sftp_general_put(struct sftp_command
*cmd
, int restart
)
506 struct fxp_handle
*fh
;
507 char *fname
, *origoutfname
, *outfname
;
508 struct sftp_packet
*pktin
;
509 struct sftp_request
*req
, *rreq
;
515 printf("psftp: not connected to a host; use \"open host.name\"\n");
519 if (cmd
->nwords
< 2) {
520 printf("put: expects a filename\n");
524 fname
= cmd
->words
[1];
525 origoutfname
= (cmd
->nwords
== 2 ?
526 stripslashes(cmd
->words
[1], 1) : cmd
->words
[2]);
527 outfname
= canonify(origoutfname
);
529 printf("%s: %s\n", origoutfname
, fxp_error());
533 fp
= fopen(fname
, "rb");
535 printf("local: unable to open %s\n", fname
);
540 sftp_register(req
= fxp_open_send(outfname
, SSH_FXF_WRITE
));
542 sftp_register(req
= fxp_open_send(outfname
, SSH_FXF_WRITE
|
543 SSH_FXF_CREAT
| SSH_FXF_TRUNC
));
545 rreq
= sftp_find_request(pktin
= sftp_recv());
547 fh
= fxp_open_recv(pktin
);
550 printf("%s: %s\n", outfname
, fxp_error());
557 struct fxp_attrs attrs
;
560 sftp_register(req
= fxp_fstat_send(fh
));
561 rreq
= sftp_find_request(pktin
= sftp_recv());
563 ret
= fxp_fstat_recv(pktin
, &attrs
);
566 printf("read size of %s: %s\n", outfname
, fxp_error());
570 if (!(attrs
.flags
& SSH_FILEXFER_ATTR_SIZE
)) {
571 printf("read size of %s: size was not given\n", outfname
);
576 uint64_decimal(offset
, decbuf
);
577 printf("reput: restarting at file position %s\n", decbuf
);
578 if (uint64_compare(offset
, uint64_make(0, LONG_MAX
)) > 0) {
579 printf("reput: remote file is larger than we can deal with\n");
583 if (fseek(fp
, offset
.lo
, SEEK_SET
) != 0)
584 fseek(fp
, 0, SEEK_END
); /* *shrug* */
586 offset
= uint64_make(0, 0);
589 printf("local:%s => remote:%s\n", fname
, outfname
);
592 * FIXME: we can use FXP_FSTAT here to get the file size, and
593 * thus put up a progress bar.
600 len
= fread(buffer
, 1, sizeof(buffer
), fp
);
602 printf("error while reading local file\n");
605 } else if (len
== 0) {
609 sftp_register(req
= fxp_write_send(fh
, buffer
, offset
, len
));
610 rreq
= sftp_find_request(pktin
= sftp_recv());
612 ret
= fxp_write_recv(pktin
);
615 printf("error while writing: %s\n", fxp_error());
619 offset
= uint64_add32(offset
, len
);
622 sftp_register(req
= fxp_close_send(fh
));
623 rreq
= sftp_find_request(pktin
= sftp_recv());
625 fxp_close_recv(pktin
);
632 int sftp_cmd_put(struct sftp_command
*cmd
)
634 return sftp_general_put(cmd
, 0);
636 int sftp_cmd_reput(struct sftp_command
*cmd
)
638 return sftp_general_put(cmd
, 1);
641 int sftp_cmd_mkdir(struct sftp_command
*cmd
)
644 struct sftp_packet
*pktin
;
645 struct sftp_request
*req
, *rreq
;
649 printf("psftp: not connected to a host; use \"open host.name\"\n");
653 if (cmd
->nwords
< 2) {
654 printf("mkdir: expects a directory\n");
658 dir
= canonify(cmd
->words
[1]);
660 printf("%s: %s\n", dir
, fxp_error());
664 sftp_register(req
= fxp_mkdir_send(dir
));
665 rreq
= sftp_find_request(pktin
= sftp_recv());
667 result
= fxp_mkdir_recv(pktin
);
670 printf("mkdir %s: %s\n", dir
, fxp_error());
679 int sftp_cmd_rmdir(struct sftp_command
*cmd
)
682 struct sftp_packet
*pktin
;
683 struct sftp_request
*req
, *rreq
;
687 printf("psftp: not connected to a host; use \"open host.name\"\n");
691 if (cmd
->nwords
< 2) {
692 printf("rmdir: expects a directory\n");
696 dir
= canonify(cmd
->words
[1]);
698 printf("%s: %s\n", dir
, fxp_error());
702 sftp_register(req
= fxp_rmdir_send(dir
));
703 rreq
= sftp_find_request(pktin
= sftp_recv());
705 result
= fxp_rmdir_recv(pktin
);
708 printf("rmdir %s: %s\n", dir
, fxp_error());
717 int sftp_cmd_rm(struct sftp_command
*cmd
)
720 struct sftp_packet
*pktin
;
721 struct sftp_request
*req
, *rreq
;
725 printf("psftp: not connected to a host; use \"open host.name\"\n");
729 if (cmd
->nwords
< 2) {
730 printf("rm: expects a filename\n");
734 fname
= canonify(cmd
->words
[1]);
736 printf("%s: %s\n", fname
, fxp_error());
740 sftp_register(req
= fxp_remove_send(fname
));
741 rreq
= sftp_find_request(pktin
= sftp_recv());
743 result
= fxp_remove_recv(pktin
);
746 printf("rm %s: %s\n", fname
, fxp_error());
755 int sftp_cmd_mv(struct sftp_command
*cmd
)
757 char *srcfname
, *dstfname
;
758 struct sftp_packet
*pktin
;
759 struct sftp_request
*req
, *rreq
;
763 printf("psftp: not connected to a host; use \"open host.name\"\n");
767 if (cmd
->nwords
< 3) {
768 printf("mv: expects two filenames\n");
771 srcfname
= canonify(cmd
->words
[1]);
773 printf("%s: %s\n", srcfname
, fxp_error());
777 dstfname
= canonify(cmd
->words
[2]);
779 printf("%s: %s\n", dstfname
, fxp_error());
783 sftp_register(req
= fxp_rename_send(srcfname
, dstfname
));
784 rreq
= sftp_find_request(pktin
= sftp_recv());
786 result
= fxp_rename_recv(pktin
);
789 char const *error
= fxp_error();
790 struct fxp_attrs attrs
;
793 * The move might have failed because dstfname pointed at a
794 * directory. We check this possibility now: if dstfname
795 * _is_ a directory, we re-attempt the move by appending
796 * the basename of srcfname to dstfname.
798 sftp_register(req
= fxp_stat_send(dstfname
));
799 rreq
= sftp_find_request(pktin
= sftp_recv());
801 result
= fxp_stat_recv(pktin
, &attrs
);
804 (attrs
.flags
& SSH_FILEXFER_ATTR_PERMISSIONS
) &&
805 (attrs
.permissions
& 0040000)) {
807 char *newname
, *newcanon
;
808 printf("(destination %s is a directory)\n", dstfname
);
809 p
= srcfname
+ strlen(srcfname
);
810 while (p
> srcfname
&& p
[-1] != '/') p
--;
811 newname
= dupcat(dstfname
, "/", p
, NULL
);
812 newcanon
= canonify(newname
);
818 sftp_register(req
= fxp_rename_send(srcfname
, dstfname
));
819 rreq
= sftp_find_request(pktin
= sftp_recv());
821 result
= fxp_rename_recv(pktin
);
823 error
= result ? NULL
: fxp_error();
827 printf("mv %s %s: %s\n", srcfname
, dstfname
, error
);
833 printf("%s -> %s\n", srcfname
, dstfname
);
840 int sftp_cmd_chmod(struct sftp_command
*cmd
)
844 struct fxp_attrs attrs
;
845 unsigned attrs_clr
, attrs_xor
, oldperms
, newperms
;
846 struct sftp_packet
*pktin
;
847 struct sftp_request
*req
, *rreq
;
850 printf("psftp: not connected to a host; use \"open host.name\"\n");
854 if (cmd
->nwords
< 3) {
855 printf("chmod: expects a mode specifier and a filename\n");
860 * Attempt to parse the mode specifier in cmd->words[1]. We
861 * don't support the full horror of Unix chmod; instead we
862 * support a much simpler syntax in which the user can either
863 * specify an octal number, or a comma-separated sequence of
864 * [ugoa]*[-+=][rwxst]+. (The initial [ugoa] sequence may
865 * _only_ be omitted if the only attribute mentioned is t,
866 * since all others require a user/group/other specification.
867 * Additionally, the s attribute may not be specified for any
868 * [ugoa] specifications other than exactly u or exactly g.
870 attrs_clr
= attrs_xor
= 0;
871 mode
= cmd
->words
[1];
872 if (mode
[0] >= '0' && mode
[0] <= '9') {
873 if (mode
[strspn(mode
, "01234567")]) {
874 printf("chmod: numeric file modes should"
875 " contain digits 0-7 only\n");
879 sscanf(mode
, "%o", &attrs_xor
);
880 attrs_xor
&= attrs_clr
;
883 char *modebegin
= mode
;
884 unsigned subset
, perms
;
888 while (*mode
&& *mode
!= ',' &&
889 *mode
!= '+' && *mode
!= '-' && *mode
!= '=') {
891 case 'u': subset
|= 04700; break; /* setuid, user perms */
892 case 'g': subset
|= 02070; break; /* setgid, group perms */
893 case 'o': subset
|= 00007; break; /* just other perms */
894 case 'a': subset
|= 06777; break; /* all of the above */
896 printf("chmod: file mode '%.*s' contains unrecognised"
897 " user/group/other specifier '%c'\n",
898 strcspn(modebegin
, ","), modebegin
, *mode
);
903 if (!*mode
|| *mode
== ',') {
904 printf("chmod: file mode '%.*s' is incomplete\n",
905 strcspn(modebegin
, ","), modebegin
);
909 if (!*mode
|| *mode
== ',') {
910 printf("chmod: file mode '%.*s' is incomplete\n",
911 strcspn(modebegin
, ","), modebegin
);
915 while (*mode
&& *mode
!= ',') {
917 case 'r': perms
|= 00444; break;
918 case 'w': perms
|= 00222; break;
919 case 'x': perms
|= 00111; break;
920 case 't': perms
|= 01000; subset
|= 01000; break;
922 if ((subset
& 06777) != 04700 &&
923 (subset
& 06777) != 02070) {
924 printf("chmod: file mode '%.*s': set[ug]id bit should"
925 " be used with exactly one of u or g only\n",
926 strcspn(modebegin
, ","), modebegin
);
932 printf("chmod: file mode '%.*s' contains unrecognised"
933 " permission specifier '%c'\n",
934 strcspn(modebegin
, ","), modebegin
, *mode
);
939 if (!(subset
& 06777) && (perms
&~ subset
)) {
940 printf("chmod: file mode '%.*s' contains no user/group/other"
941 " specifier and permissions other than 't' \n",
942 strcspn(modebegin
, ","), modebegin
);
960 if (*mode
) mode
++; /* eat comma */
964 fname
= canonify(cmd
->words
[2]);
966 printf("%s: %s\n", fname
, fxp_error());
970 sftp_register(req
= fxp_stat_send(fname
));
971 rreq
= sftp_find_request(pktin
= sftp_recv());
973 result
= fxp_stat_recv(pktin
, &attrs
);
975 if (!result
|| !(attrs
.flags
& SSH_FILEXFER_ATTR_PERMISSIONS
)) {
976 printf("get attrs for %s: %s\n", fname
,
977 result ?
"file permissions not provided" : fxp_error());
982 attrs
.flags
= SSH_FILEXFER_ATTR_PERMISSIONS
; /* perms _only_ */
983 oldperms
= attrs
.permissions
& 07777;
984 attrs
.permissions
&= ~attrs_clr
;
985 attrs
.permissions
^= attrs_xor
;
986 newperms
= attrs
.permissions
& 07777;
988 sftp_register(req
= fxp_setstat_send(fname
, attrs
));
989 rreq
= sftp_find_request(pktin
= sftp_recv());
991 result
= fxp_setstat_recv(pktin
);
994 printf("set attrs for %s: %s\n", fname
, fxp_error());
999 printf("%s: %04o -> %04o\n", fname
, oldperms
, newperms
);
1005 static int sftp_cmd_open(struct sftp_command
*cmd
)
1008 printf("psftp: already connected\n");
1012 if (cmd
->nwords
< 2) {
1013 printf("open: expects a host name\n");
1017 if (psftp_connect(cmd
->words
[1], NULL
, 0)) {
1018 back
= NULL
; /* connection is already closed */
1019 return -1; /* this is fatal */
1025 static int sftp_cmd_lcd(struct sftp_command
*cmd
)
1030 if (cmd
->nwords
< 2) {
1031 printf("lcd: expects a local directory name\n");
1035 if (!SetCurrentDirectory(cmd
->words
[1])) {
1038 FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER
|
1039 FORMAT_MESSAGE_FROM_SYSTEM
|
1040 FORMAT_MESSAGE_IGNORE_INSERTS
,
1041 NULL
, GetLastError(),
1042 MAKELANGID(LANG_NEUTRAL
, SUBLANG_DEFAULT
),
1043 (LPTSTR
)&message
, 0, NULL
);
1044 i
= strcspn((char *)message
, "\n");
1045 printf("lcd: unable to change directory: %.*s\n", i
, (LPCTSTR
)message
);
1050 currdir
= snewn(256, char);
1051 len
= GetCurrentDirectory(256, currdir
);
1053 currdir
= sresize(currdir
, len
, char);
1054 GetCurrentDirectory(len
, currdir
);
1055 printf("New local directory is %s\n", currdir
);
1061 static int sftp_cmd_lpwd(struct sftp_command
*cmd
)
1066 currdir
= snewn(256, char);
1067 len
= GetCurrentDirectory(256, currdir
);
1069 currdir
= sresize(currdir
, len
, char);
1070 GetCurrentDirectory(len
, currdir
);
1071 printf("Current local directory is %s\n", currdir
);
1077 static int sftp_cmd_pling(struct sftp_command
*cmd
)
1081 exitcode
= system(cmd
->words
[1]);
1082 return (exitcode
== 0);
1085 static int sftp_cmd_help(struct sftp_command
*cmd
);
1087 static struct sftp_cmd_lookup
{
1090 * For help purposes, there are two kinds of command:
1092 * - primary commands, in which `longhelp' is non-NULL. In
1093 * this case `shorthelp' is descriptive text, and `longhelp'
1094 * is longer descriptive text intended to be printed after
1097 * - alias commands, in which `longhelp' is NULL. In this case
1098 * `shorthelp' is the name of a primary command, which
1099 * contains the help that should double up for this command.
1101 int listed
; /* do we list this in primary help? */
1104 int (*obey
) (struct sftp_command
*);
1107 * List of sftp commands. This is binary-searched so it MUST be
1111 "!", TRUE
, "run a local Windows command",
1113 " Runs a local Windows command. For example, \"!del myfile\".\n",
1117 "bye", TRUE
, "finish your SFTP session",
1119 " Terminates your SFTP session and quits the PSFTP program.\n",
1123 "cd", TRUE
, "change your remote working directory",
1124 " [ <New working directory> ]\n"
1125 " Change the remote working directory for your SFTP session.\n"
1126 " If a new working directory is not supplied, you will be\n"
1127 " returned to your home directory.\n",
1131 "chmod", TRUE
, "change file permissions and modes",
1132 " ( <octal-digits> | <modifiers> ) <filename>\n"
1133 " Change the file permissions on a file or directory.\n"
1134 " <octal-digits> can be any octal Unix permission specifier.\n"
1135 " Alternatively, <modifiers> can include:\n"
1136 " u+r make file readable by owning user\n"
1137 " u+w make file writable by owning user\n"
1138 " u+x make file executable by owning user\n"
1139 " u-r make file not readable by owning user\n"
1140 " [also u-w, u-x]\n"
1141 " g+r make file readable by members of owning group\n"
1142 " [also g+w, g+x, g-r, g-w, g-x]\n"
1143 " o+r make file readable by all other users\n"
1144 " [also o+w, o+x, o-r, o-w, o-x]\n"
1145 " a+r make file readable by absolutely everybody\n"
1146 " [also a+w, a+x, a-r, a-w, a-x]\n"
1147 " u+s enable the Unix set-user-ID bit\n"
1148 " u-s disable the Unix set-user-ID bit\n"
1149 " g+s enable the Unix set-group-ID bit\n"
1150 " g-s disable the Unix set-group-ID bit\n"
1151 " +t enable the Unix \"sticky bit\"\n"
1152 " You can give more than one modifier for the same user (\"g-rwx\"), and\n"
1153 " more than one user for the same modifier (\"ug+w\"). You can\n"
1154 " use commas to separate different modifiers (\"u+rwx,g+s\").\n",
1158 "del", TRUE
, "delete a file",
1160 " Delete a file.\n",
1164 "delete", FALSE
, "del", NULL
, sftp_cmd_rm
1167 "dir", TRUE
, "list contents of a remote directory",
1168 " [ <directory-name> ]\n"
1169 " List the contents of a specified directory on the server.\n"
1170 " If <directory-name> is not given, the current working directory\n"
1171 " will be listed.\n",
1175 "exit", TRUE
, "bye", NULL
, sftp_cmd_quit
1178 "get", TRUE
, "download a file from the server to your local machine",
1179 " <filename> [ <local-filename> ]\n"
1180 " Downloads a file on the server and stores it locally under\n"
1181 " the same name, or under a different one if you supply the\n"
1182 " argument <local-filename>.\n",
1186 "help", TRUE
, "give help",
1187 " [ <command> [ <command> ... ] ]\n"
1188 " Give general help if no commands are specified.\n"
1189 " If one or more commands are specified, give specific help on\n"
1190 " those particular commands.\n",
1194 "lcd", TRUE
, "change local working directory",
1195 " <local-directory-name>\n"
1196 " Change the local working directory of the PSFTP program (the\n"
1197 " default location where the \"get\" command will save files).\n",
1201 "lpwd", TRUE
, "print local working directory",
1203 " Print the local working directory of the PSFTP program (the\n"
1204 " default location where the \"get\" command will save files).\n",
1208 "ls", TRUE
, "dir", NULL
,
1212 "mkdir", TRUE
, "create a directory on the remote server",
1213 " <directory-name>\n"
1214 " Creates a directory with the given name on the server.\n",
1218 "mv", TRUE
, "move or rename a file on the remote server",
1219 " <source-filename> <destination-filename>\n"
1220 " Moves or renames the file <source-filename> on the server,\n"
1221 " so that it is accessible under the name <destination-filename>.\n",
1225 "open", TRUE
, "connect to a host",
1226 " [<user>@]<hostname>\n"
1227 " Establishes an SFTP connection to a given host. Only usable\n"
1228 " when you did not already specify a host name on the command\n"
1233 "put", TRUE
, "upload a file from your local machine to the server",
1234 " <filename> [ <remote-filename> ]\n"
1235 " Uploads a file to the server and stores it there under\n"
1236 " the same name, or under a different one if you supply the\n"
1237 " argument <remote-filename>.\n",
1241 "pwd", TRUE
, "print your remote working directory",
1243 " Print the current remote working directory for your SFTP session.\n",
1247 "quit", TRUE
, "bye", NULL
,
1251 "reget", TRUE
, "continue downloading a file",
1252 " <filename> [ <local-filename> ]\n"
1253 " Works exactly like the \"get\" command, but the local file\n"
1254 " must already exist. The download will begin at the end of the\n"
1255 " file. This is for resuming a download that was interrupted.\n",
1259 "ren", TRUE
, "mv", NULL
,
1263 "rename", FALSE
, "mv", NULL
,
1267 "reput", TRUE
, "continue uploading a file",
1268 " <filename> [ <remote-filename> ]\n"
1269 " Works exactly like the \"put\" command, but the remote file\n"
1270 " must already exist. The upload will begin at the end of the\n"
1271 " file. This is for resuming an upload that was interrupted.\n",
1275 "rm", TRUE
, "del", NULL
,
1279 "rmdir", TRUE
, "remove a directory on the remote server",
1280 " <directory-name>\n"
1281 " Removes the directory with the given name on the server.\n"
1282 " The directory will not be removed unless it is empty.\n",
1287 const struct sftp_cmd_lookup
*lookup_command(char *name
)
1292 j
= sizeof(sftp_lookup
) / sizeof(*sftp_lookup
);
1295 cmp
= strcmp(name
, sftp_lookup
[k
].name
);
1301 return &sftp_lookup
[k
];
1307 static int sftp_cmd_help(struct sftp_command
*cmd
)
1310 if (cmd
->nwords
== 1) {
1312 * Give short help on each command.
1316 for (i
= 0; i
< sizeof(sftp_lookup
) / sizeof(*sftp_lookup
); i
++) {
1318 if (!sftp_lookup
[i
].listed
)
1320 len
= strlen(sftp_lookup
[i
].name
);
1324 for (i
= 0; i
< sizeof(sftp_lookup
) / sizeof(*sftp_lookup
); i
++) {
1325 const struct sftp_cmd_lookup
*lookup
;
1326 if (!sftp_lookup
[i
].listed
)
1328 lookup
= &sftp_lookup
[i
];
1329 printf("%-*s", maxlen
+2, lookup
->name
);
1330 if (lookup
->longhelp
== NULL
)
1331 lookup
= lookup_command(lookup
->shorthelp
);
1332 printf("%s\n", lookup
->shorthelp
);
1336 * Give long help on specific commands.
1338 for (i
= 1; i
< cmd
->nwords
; i
++) {
1339 const struct sftp_cmd_lookup
*lookup
;
1340 lookup
= lookup_command(cmd
->words
[i
]);
1342 printf("help: %s: command not found\n", cmd
->words
[i
]);
1344 printf("%s", lookup
->name
);
1345 if (lookup
->longhelp
== NULL
)
1346 lookup
= lookup_command(lookup
->shorthelp
);
1347 printf("%s", lookup
->longhelp
);
1354 /* ----------------------------------------------------------------------
1355 * Command line reading and parsing.
1357 struct sftp_command
*sftp_getcmd(FILE *fp
, int mode
, int modeflags
)
1360 int linelen
, linesize
;
1361 struct sftp_command
*cmd
;
1365 if ((mode
== 0) || (modeflags
& 1)) {
1370 cmd
= snew(struct sftp_command
);
1376 linesize
= linelen
= 0;
1382 line
= sresize(line
, linesize
, char);
1383 ret
= fgets(line
+ linelen
, linesize
- linelen
, fp
);
1385 if (!ret
|| (linelen
== 0 && line
[0] == '\0')) {
1386 cmd
->obey
= sftp_cmd_quit
;
1387 if ((mode
== 0) || (modeflags
& 1))
1389 return cmd
; /* eof */
1391 len
= linelen
+ strlen(line
+ linelen
);
1393 if (line
[linelen
- 1] == '\n') {
1395 line
[linelen
] = '\0';
1399 if (modeflags
& 1) {
1400 printf("%s\n", line
);
1404 while (*p
&& (*p
== ' ' || *p
== '\t'))
1409 * Special case: the ! command. This is always parsed as
1410 * exactly two words: one containing the !, and the second
1411 * containing everything else on the line.
1413 cmd
->nwords
= cmd
->wordssize
= 2;
1414 cmd
->words
= sresize(cmd
->words
, cmd
->wordssize
, char *);
1415 cmd
->words
[0] = "!";
1416 cmd
->words
[1] = p
+1;
1420 * Parse the command line into words. The syntax is:
1421 * - double quotes are removed, but cause spaces within to be
1422 * treated as non-separating.
1423 * - a double-doublequote pair is a literal double quote, inside
1424 * _or_ outside quotes. Like this:
1426 * firstword "second word" "this has ""quotes"" in" and""this""
1432 * >this has "quotes" in<
1436 /* skip whitespace */
1437 while (*p
&& (*p
== ' ' || *p
== '\t'))
1439 /* mark start of word */
1440 q
= r
= p
; /* q sits at start, r writes word */
1443 if (!quoting
&& (*p
== ' ' || *p
== '\t'))
1444 break; /* reached end of word */
1445 else if (*p
== '"' && p
[1] == '"')
1446 p
+= 2, *r
++ = '"'; /* a literal quote */
1448 p
++, quoting
= !quoting
;
1453 p
++; /* skip over the whitespace */
1455 if (cmd
->nwords
>= cmd
->wordssize
) {
1456 cmd
->wordssize
= cmd
->nwords
+ 16;
1457 cmd
->words
= sresize(cmd
->words
, cmd
->wordssize
, char *);
1459 cmd
->words
[cmd
->nwords
++] = q
;
1464 * Now parse the first word and assign a function.
1467 if (cmd
->nwords
== 0)
1468 cmd
->obey
= sftp_cmd_null
;
1470 const struct sftp_cmd_lookup
*lookup
;
1471 lookup
= lookup_command(cmd
->words
[0]);
1473 cmd
->obey
= sftp_cmd_unknown
;
1475 cmd
->obey
= lookup
->obey
;
1481 static int do_sftp_init(void)
1483 struct sftp_packet
*pktin
;
1484 struct sftp_request
*req
, *rreq
;
1487 * Do protocol initialisation.
1491 "Fatal: unable to initialise SFTP: %s\n", fxp_error());
1492 return 1; /* failure */
1496 * Find out where our home directory is.
1498 sftp_register(req
= fxp_realpath_send("."));
1499 rreq
= sftp_find_request(pktin
= sftp_recv());
1500 assert(rreq
== req
);
1501 homedir
= fxp_realpath_recv(pktin
);
1505 "Warning: failed to resolve home directory: %s\n",
1507 homedir
= dupstr(".");
1509 printf("Remote working directory is %s\n", homedir
);
1511 pwd
= dupstr(homedir
);
1515 void do_sftp(int mode
, int modeflags
, char *batchfile
)
1525 /* ------------------------------------------------------------------
1526 * Now we're ready to do Real Stuff.
1529 struct sftp_command
*cmd
;
1530 cmd
= sftp_getcmd(stdin
, 0, 0);
1533 if (cmd
->obey(cmd
) < 0)
1537 fp
= fopen(batchfile
, "r");
1539 printf("Fatal: unable to open %s\n", batchfile
);
1543 struct sftp_command
*cmd
;
1544 cmd
= sftp_getcmd(fp
, mode
, modeflags
);
1547 ret
= cmd
->obey(cmd
);
1551 if (!(modeflags
& 2))
1560 /* ----------------------------------------------------------------------
1561 * Dirty bits: integration with PuTTY.
1564 static int verbose
= 0;
1567 * Print an error message and perform a fatal exit.
1569 void fatalbox(char *fmt
, ...)
1574 str
= dupvprintf(fmt
, ap
);
1575 str2
= dupcat("Fatal: ", str
, "\n", NULL
);
1578 fputs(str2
, stderr
);
1583 void modalfatalbox(char *fmt
, ...)
1588 str
= dupvprintf(fmt
, ap
);
1589 str2
= dupcat("Fatal: ", str
, "\n", NULL
);
1592 fputs(str2
, stderr
);
1597 void connection_fatal(void *frontend
, char *fmt
, ...)
1602 str
= dupvprintf(fmt
, ap
);
1603 str2
= dupcat("Fatal: ", str
, "\n", NULL
);
1606 fputs(str2
, stderr
);
1612 void ldisc_send(void *handle
, char *buf
, int len
, int interactive
)
1615 * This is only here because of the calls to ldisc_send(NULL,
1616 * 0) in ssh.c. Nothing in PSFTP actually needs to use the
1617 * ldisc as an ldisc. So if we get called with any real data, I
1618 * want to know about it.
1624 * Be told what socket we're supposed to be using.
1626 static SOCKET sftp_ssh_socket
;
1627 char *do_select(SOCKET skt
, int startup
)
1630 sftp_ssh_socket
= skt
;
1632 sftp_ssh_socket
= INVALID_SOCKET
;
1635 extern int select_result(WPARAM
, LPARAM
);
1638 * In psftp, all agent requests should be synchronous, so this is a
1639 * never-called stub.
1641 void agent_schedule_callback(void (*callback
)(void *, void *, int),
1642 void *callback_ctx
, void *data
, int len
)
1644 assert(!"We shouldn't be here");
1648 * Receive a block of data from the SSH link. Block until all data
1651 * To do this, we repeatedly call the SSH protocol module, with our
1652 * own trap in from_backend() to catch the data that comes back. We
1653 * do this until we have enough data.
1656 static unsigned char *outptr
; /* where to put the data */
1657 static unsigned outlen
; /* how much data required */
1658 static unsigned char *pending
= NULL
; /* any spare data */
1659 static unsigned pendlen
= 0, pendsize
= 0; /* length and phys. size of buffer */
1660 int from_backend(void *frontend
, int is_stderr
, const char *data
, int datalen
)
1662 unsigned char *p
= (unsigned char *) data
;
1663 unsigned len
= (unsigned) datalen
;
1668 * stderr data is just spouted to local stderr and otherwise
1672 fwrite(data
, 1, len
, stderr
);
1677 * If this is before the real session begins, just return.
1683 unsigned used
= outlen
;
1686 memcpy(outptr
, p
, used
);
1694 if (pendsize
< pendlen
+ len
) {
1695 pendsize
= pendlen
+ len
+ 4096;
1696 pending
= sresize(pending
, pendsize
, unsigned char);
1698 memcpy(pending
+ pendlen
, p
, len
);
1704 int sftp_recvdata(char *buf
, int len
)
1706 outptr
= (unsigned char *) buf
;
1710 * See if the pending-input block contains some of what we
1714 unsigned pendused
= pendlen
;
1715 if (pendused
> outlen
)
1717 memcpy(outptr
, pending
, pendused
);
1718 memmove(pending
, pending
+ pendused
, pendlen
- pendused
);
1721 pendlen
-= pendused
;
1731 while (outlen
> 0) {
1735 FD_SET(sftp_ssh_socket
, &readfds
);
1736 if (select(1, &readfds
, NULL
, NULL
, NULL
) < 0)
1737 return 0; /* doom */
1738 select_result((WPARAM
) sftp_ssh_socket
, (LPARAM
) FD_READ
);
1743 int sftp_senddata(char *buf
, int len
)
1745 back
->send(backhandle
, (unsigned char *) buf
, len
);
1750 * Loop through the ssh connection and authentication process.
1752 static void ssh_sftp_init(void)
1754 if (sftp_ssh_socket
== INVALID_SOCKET
)
1756 while (!back
->sendok(backhandle
)) {
1759 FD_SET(sftp_ssh_socket
, &readfds
);
1760 if (select(1, &readfds
, NULL
, NULL
, NULL
) < 0)
1762 select_result((WPARAM
) sftp_ssh_socket
, (LPARAM
) FD_READ
);
1767 * Initialize the Win$ock driver.
1769 static void init_winsock(void)
1774 winsock_ver
= MAKEWORD(1, 1);
1775 if (WSAStartup(winsock_ver
, &wsadata
)) {
1776 fprintf(stderr
, "Unable to initialise WinSock");
1779 if (LOBYTE(wsadata
.wVersion
) != 1 || HIBYTE(wsadata
.wVersion
) != 1) {
1780 fprintf(stderr
, "WinSock version is incompatible with 1.1");
1786 * Short description of parameters.
1788 static void usage(void)
1790 printf("PuTTY Secure File Transfer (SFTP) client\n");
1791 printf("%s\n", ver
);
1792 printf("Usage: psftp [options] user@host\n");
1793 printf("Options:\n");
1794 printf(" -b file use specified batchfile\n");
1795 printf(" -bc output batchfile commands\n");
1796 printf(" -be don't stop batchfile processing if errors\n");
1797 printf(" -v show verbose messages\n");
1798 printf(" -load sessname Load settings from saved session\n");
1799 printf(" -l user connect with specified username\n");
1800 printf(" -P port connect to specified port\n");
1801 printf(" -pw passw login with specified password\n");
1802 printf(" -1 -2 force use of particular SSH protocol version\n");
1803 printf(" -C enable compression\n");
1804 printf(" -i key private key file for authentication\n");
1805 printf(" -batch disable all interactive prompts\n");
1810 * Connect to a host.
1812 static int psftp_connect(char *userhost
, char *user
, int portnumber
)
1814 char *host
, *realhost
;
1817 /* Separate host and username */
1819 host
= strrchr(host
, '@');
1825 printf("psftp: multiple usernames specified; using \"%s\"\n",
1831 /* Try to load settings for this host */
1832 do_defaults(host
, &cfg
);
1833 if (cfg
.host
[0] == '\0') {
1834 /* No settings for this host; use defaults */
1835 do_defaults(NULL
, &cfg
);
1836 strncpy(cfg
.host
, host
, sizeof(cfg
.host
) - 1);
1837 cfg
.host
[sizeof(cfg
.host
) - 1] = '\0';
1841 * Force use of SSH. (If they got the protocol wrong we assume the
1842 * port is useless too.)
1844 if (cfg
.protocol
!= PROT_SSH
) {
1845 cfg
.protocol
= PROT_SSH
;
1850 * Enact command-line overrides.
1852 cmdline_run_saved(&cfg
);
1855 * Trim leading whitespace off the hostname if it's there.
1858 int space
= strspn(cfg
.host
, " \t");
1859 memmove(cfg
.host
, cfg
.host
+space
, 1+strlen(cfg
.host
)-space
);
1862 /* See if host is of the form user@host */
1863 if (cfg
.host
[0] != '\0') {
1864 char *atsign
= strchr(cfg
.host
, '@');
1865 /* Make sure we're not overflowing the user field */
1867 if (atsign
- cfg
.host
< sizeof cfg
.username
) {
1868 strncpy(cfg
.username
, cfg
.host
, atsign
- cfg
.host
);
1869 cfg
.username
[atsign
- cfg
.host
] = '\0';
1871 memmove(cfg
.host
, atsign
+ 1, 1 + strlen(atsign
+ 1));
1876 * Trim a colon suffix off the hostname if it's there.
1878 cfg
.host
[strcspn(cfg
.host
, ":")] = '\0';
1881 * Remove any remaining whitespace from the hostname.
1885 while (cfg
.host
[p2
] != '\0') {
1886 if (cfg
.host
[p2
] != ' ' && cfg
.host
[p2
] != '\t') {
1887 cfg
.host
[p1
] = cfg
.host
[p2
];
1892 cfg
.host
[p1
] = '\0';
1896 if (user
!= NULL
&& user
[0] != '\0') {
1897 strncpy(cfg
.username
, user
, sizeof(cfg
.username
) - 1);
1898 cfg
.username
[sizeof(cfg
.username
) - 1] = '\0';
1900 if (!cfg
.username
[0]) {
1901 printf("login as: ");
1903 if (!fgets(cfg
.username
, sizeof(cfg
.username
), stdin
)) {
1904 fprintf(stderr
, "psftp: aborting\n");
1907 int len
= strlen(cfg
.username
);
1908 if (cfg
.username
[len
- 1] == '\n')
1909 cfg
.username
[len
- 1] = '\0';
1914 cfg
.port
= portnumber
;
1916 /* SFTP uses SSH2 by default always */
1920 * Disable scary things which shouldn't be enabled for simple
1921 * things like SCP and SFTP: agent forwarding, port forwarding,
1924 cfg
.x11_forward
= 0;
1926 cfg
.portfwd
[0] = cfg
.portfwd
[1] = '\0';
1928 /* Set up subsystem name. */
1929 strcpy(cfg
.remote_cmd
, "sftp");
1930 cfg
.ssh_subsys
= TRUE
;
1934 * Set up fallback option, for SSH1 servers or servers with the
1935 * sftp subsystem not enabled but the server binary installed
1936 * in the usual place. We only support fallback on Unix
1937 * systems, and we use a kludgy piece of shellery which should
1938 * try to find sftp-server in various places (the obvious
1939 * systemwide spots /usr/lib and /usr/local/lib, and then the
1940 * user's PATH) and finally give up.
1942 * test -x /usr/lib/sftp-server && exec /usr/lib/sftp-server
1943 * test -x /usr/local/lib/sftp-server && exec /usr/local/lib/sftp-server
1946 * the idea being that this will attempt to use either of the
1947 * obvious pathnames and then give up, and when it does give up
1948 * it will print the preferred pathname in the error messages.
1950 cfg
.remote_cmd_ptr2
=
1951 "test -x /usr/lib/sftp-server && exec /usr/lib/sftp-server\n"
1952 "test -x /usr/local/lib/sftp-server && exec /usr/local/lib/sftp-server\n"
1954 cfg
.ssh_subsys2
= FALSE
;
1956 back
= &ssh_backend
;
1958 err
= back
->init(NULL
, &backhandle
, &cfg
, cfg
.host
, cfg
.port
, &realhost
,0);
1960 fprintf(stderr
, "ssh_init: %s\n", err
);
1963 logctx
= log_init(NULL
, &cfg
);
1964 back
->provide_logctx(backhandle
, logctx
);
1965 console_provide_logctx(logctx
);
1967 if (verbose
&& realhost
!= NULL
)
1968 printf("Connected to %s\n", realhost
);
1972 void cmdline_error(char *p
, ...)
1975 fprintf(stderr
, "psftp: ");
1977 vfprintf(stderr
, p
, ap
);
1979 fprintf(stderr
, "\n try typing \"psftp -h\" for help\n");
1984 * Main program. Parse arguments etc.
1986 int main(int argc
, char *argv
[])
1990 char *userhost
, *user
;
1993 char *batchfile
= NULL
;
1996 flags
= FLAG_STDERR
| FLAG_INTERACTIVE
| FLAG_SYNCAGENT
;
1997 cmdline_tooltype
= TOOLTYPE_FILETRANSFER
;
1998 ssh_get_line
= &console_get_line
;
2002 userhost
= user
= NULL
;
2005 for (i
= 1; i
< argc
; i
++) {
2007 if (argv
[i
][0] != '-') {
2011 userhost
= dupstr(argv
[i
]);
2014 ret
= cmdline_process_param(argv
[i
], i
+1<argc?argv
[i
+1]:NULL
, 1, &cfg
);
2016 cmdline_error("option \"%s\" requires an argument", argv
[i
]);
2017 } else if (ret
== 2) {
2018 i
++; /* skip next argument */
2019 } else if (ret
== 1) {
2020 /* We have our own verbosity in addition to `flags'. */
2021 if (flags
& FLAG_VERBOSE
)
2023 } else if (strcmp(argv
[i
], "-h") == 0 ||
2024 strcmp(argv
[i
], "-?") == 0) {
2026 } else if (strcmp(argv
[i
], "-batch") == 0) {
2027 console_batch_mode
= 1;
2028 } else if (strcmp(argv
[i
], "-b") == 0 && i
+ 1 < argc
) {
2030 batchfile
= argv
[++i
];
2031 } else if (strcmp(argv
[i
], "-bc") == 0) {
2032 modeflags
= modeflags
| 1;
2033 } else if (strcmp(argv
[i
], "-be") == 0) {
2034 modeflags
= modeflags
| 2;
2035 } else if (strcmp(argv
[i
], "--") == 0) {
2039 cmdline_error("unknown option \"%s\"", argv
[i
]);
2047 * If a user@host string has already been provided, connect to
2051 if (psftp_connect(userhost
, user
, portnumber
))
2056 printf("psftp: no hostname specified; use \"open host.name\""
2060 do_sftp(mode
, modeflags
, batchfile
);
2062 if (back
!= NULL
&& back
->socket(backhandle
) != NULL
) {
2064 back
->special(backhandle
, TS_EOF
);
2065 sftp_recvdata(&ch
, 1);