2 * psftp.c: (platform-independent) front end for PSFTP.
11 #define PUTTY_DO_GLOBALS
19 const char *const appname
= "PSFTP";
22 * Since SFTP is a request-response oriented protocol, it requires
23 * no buffer management: when we send data, we stop and wait for an
24 * acknowledgement _anyway_, and so we can't possibly overfill our
28 static int psftp_connect(char *userhost
, char *user
, int portnumber
);
29 static int do_sftp_init(void);
30 void do_sftp_cleanup();
32 /* ----------------------------------------------------------------------
38 static void *backhandle
;
42 /* ----------------------------------------------------------------------
43 * Higher-level helper functions used in commands.
47 * Attempt to canonify a pathname starting from the pwd. If
48 * canonification fails, at least fall back to returning a _valid_
49 * pathname (though it may be ugly, eg /home/simon/../foobar).
51 char *canonify(char *name
)
53 char *fullname
, *canonname
;
54 struct sftp_packet
*pktin
;
55 struct sftp_request
*req
, *rreq
;
58 fullname
= dupstr(name
);
61 if (pwd
[strlen(pwd
) - 1] == '/')
65 fullname
= dupcat(pwd
, slash
, name
, NULL
);
68 sftp_register(req
= fxp_realpath_send(fullname
));
69 rreq
= sftp_find_request(pktin
= sftp_recv());
71 canonname
= fxp_realpath_recv(pktin
, rreq
);
78 * Attempt number 2. Some FXP_REALPATH implementations
79 * (glibc-based ones, in particular) require the _whole_
80 * path to point to something that exists, whereas others
81 * (BSD-based) only require all but the last component to
82 * exist. So if the first call failed, we should strip off
83 * everything from the last slash onwards and try again,
84 * then put the final component back on.
88 * - if the last component is "/." or "/..", then we don't
89 * bother trying this because there's no way it can work.
91 * - if the thing actually ends with a "/", we remove it
92 * before we start. Except if the string is "/" itself
93 * (although I can't see why we'd have got here if so,
94 * because surely "/" would have worked the first
95 * time?), in which case we don't bother.
97 * - if there's no slash in the string at all, give up in
98 * confusion (we expect at least one because of the way
99 * we constructed the string).
105 i
= strlen(fullname
);
106 if (i
> 2 && fullname
[i
- 1] == '/')
107 fullname
[--i
] = '\0'; /* strip trailing / unless at pos 0 */
108 while (i
> 0 && fullname
[--i
] != '/');
111 * Give up on special cases.
113 if (fullname
[i
] != '/' || /* no slash at all */
114 !strcmp(fullname
+ i
, "/.") || /* ends in /. */
115 !strcmp(fullname
+ i
, "/..") || /* ends in /.. */
116 !strcmp(fullname
, "/")) {
121 * Now i points at the slash. Deal with the final special
122 * case i==0 (ie the whole path was "/nonexistentfile").
124 fullname
[i
] = '\0'; /* separate the string */
126 sftp_register(req
= fxp_realpath_send("/"));
128 sftp_register(req
= fxp_realpath_send(fullname
));
130 rreq
= sftp_find_request(pktin
= sftp_recv());
132 canonname
= fxp_realpath_recv(pktin
, rreq
);
135 /* Even that failed. Restore our best guess at the
136 * constructed filename and give up */
137 fullname
[i
] = '/'; /* restore slash and last component */
142 * We have a canonical name for all but the last path
143 * component. Concatenate the last component and return.
145 returnname
= dupcat(canonname
,
146 canonname
[strlen(canonname
) - 1] ==
147 '/' ?
"" : "/", fullname
+ i
+ 1, NULL
);
155 * Return a pointer to the portion of str that comes after the last
156 * slash (or backslash or colon, if `local' is TRUE).
158 static char *stripslashes(char *str
, int local
)
163 p
= strchr(str
, ':');
167 p
= strrchr(str
, '/');
171 p
= strrchr(str
, '\\');
179 * qsort comparison routine for fxp_name structures. Sorts by real
182 static int sftp_name_compare(const void *av
, const void *bv
)
184 const struct fxp_name
*const *a
= (const struct fxp_name
*const *) av
;
185 const struct fxp_name
*const *b
= (const struct fxp_name
*const *) bv
;
186 return strcmp((*a
)->filename
, (*b
)->filename
);
190 * Likewise, but for a bare char *.
192 static int bare_name_compare(const void *av
, const void *bv
)
194 const char **a
= (const char **) av
;
195 const char **b
= (const char **) bv
;
196 return strcmp(*a
, *b
);
199 static void not_connected(void)
201 printf("psftp: not connected to a host; use \"open host.name\"\n");
204 /* ----------------------------------------------------------------------
205 * The meat of the `get' and `put' commands.
207 int sftp_get_file(char *fname
, char *outfname
, int recurse
, int restart
)
209 struct fxp_handle
*fh
;
210 struct sftp_packet
*pktin
;
211 struct sftp_request
*req
, *rreq
;
212 struct fxp_xfer
*xfer
;
215 int ret
, shown_err
= FALSE
;
216 struct fxp_attrs attrs
;
219 * In recursive mode, see if we're dealing with a directory.
220 * (If we're not in recursive mode, we need not even check: the
221 * subsequent FXP_OPEN will return a usable error message.)
226 sftp_register(req
= fxp_stat_send(fname
));
227 rreq
= sftp_find_request(pktin
= sftp_recv());
229 result
= fxp_stat_recv(pktin
, rreq
, &attrs
);
232 (attrs
.flags
& SSH_FILEXFER_ATTR_PERMISSIONS
) &&
233 (attrs
.permissions
& 0040000)) {
235 struct fxp_handle
*dirhandle
;
236 int nnames
, namesize
;
237 struct fxp_name
**ournames
;
238 struct fxp_names
*names
;
242 * First, attempt to create the destination directory,
243 * unless it already exists.
245 if (file_type(outfname
) != FILE_TYPE_DIRECTORY
&&
246 !create_directory(outfname
)) {
247 printf("%s: Cannot create directory\n", outfname
);
252 * Now get the list of filenames in the remote
255 sftp_register(req
= fxp_opendir_send(fname
));
256 rreq
= sftp_find_request(pktin
= sftp_recv());
258 dirhandle
= fxp_opendir_recv(pktin
, rreq
);
261 printf("%s: unable to open directory: %s\n",
265 nnames
= namesize
= 0;
270 sftp_register(req
= fxp_readdir_send(dirhandle
));
271 rreq
= sftp_find_request(pktin
= sftp_recv());
273 names
= fxp_readdir_recv(pktin
, rreq
);
276 if (fxp_error_type() == SSH_FX_EOF
)
278 printf("%s: reading directory: %s\n", fname
, fxp_error());
282 if (names
->nnames
== 0) {
283 fxp_free_names(names
);
286 if (nnames
+ names
->nnames
>= namesize
) {
287 namesize
+= names
->nnames
+ 128;
288 ournames
= sresize(ournames
, namesize
, struct fxp_name
*);
290 for (i
= 0; i
< names
->nnames
; i
++)
291 if (strcmp(names
->names
[i
].filename
, ".") &&
292 strcmp(names
->names
[i
].filename
, "..")) {
293 if (!vet_filename(names
->names
[i
].filename
)) {
294 printf("ignoring potentially dangerous server-"
295 "supplied filename '%s'\n",
296 names
->names
[i
].filename
);
299 fxp_dup_name(&names
->names
[i
]);
302 fxp_free_names(names
);
304 sftp_register(req
= fxp_close_send(dirhandle
));
305 rreq
= sftp_find_request(pktin
= sftp_recv());
307 fxp_close_recv(pktin
, rreq
);
310 * Sort the names into a clear order. This ought to
311 * make things more predictable when we're doing a
312 * reget of the same directory, just in case two
313 * readdirs on the same remote directory return a
316 qsort(ournames
, nnames
, sizeof(*ournames
), sftp_name_compare
);
319 * If we're in restart mode, find the last filename on
320 * this list that already exists. We may have to do a
321 * reget on _that_ file, but shouldn't have to do
322 * anything on the previous files.
324 * If none of them exists, of course, we start at 0.
332 nextoutfname
= dir_file_cat(outfname
,
333 ournames
[i
]->filename
);
335 nextoutfname
= dupstr(ournames
[i
]->filename
);
336 ret
= (file_type(nextoutfname
) == FILE_TYPE_NONEXISTENT
);
347 * Now we're ready to recurse. Starting at ournames[i]
348 * and continuing on to the end of the list, we
349 * construct a new source and target file name, and
350 * call sftp_get_file again.
352 for (; i
< nnames
; i
++) {
353 char *nextfname
, *nextoutfname
;
356 nextfname
= dupcat(fname
, "/", ournames
[i
]->filename
, NULL
);
358 nextoutfname
= dir_file_cat(outfname
,
359 ournames
[i
]->filename
);
361 nextoutfname
= dupstr(ournames
[i
]->filename
);
362 ret
= sftp_get_file(nextfname
, nextoutfname
, recurse
, restart
);
363 restart
= FALSE
; /* after first partial file, do full */
367 for (i
= 0; i
< nnames
; i
++) {
368 fxp_free_name(ournames
[i
]);
376 * Done this recursion level. Free everything.
378 for (i
= 0; i
< nnames
; i
++) {
379 fxp_free_name(ournames
[i
]);
387 sftp_register(req
= fxp_stat_send(fname
));
388 rreq
= sftp_find_request(pktin
= sftp_recv());
390 if (!fxp_stat_recv(pktin
, rreq
, &attrs
))
393 sftp_register(req
= fxp_open_send(fname
, SSH_FXF_READ
, NULL
));
394 rreq
= sftp_find_request(pktin
= sftp_recv());
396 fh
= fxp_open_recv(pktin
, rreq
);
399 printf("%s: open for read: %s\n", fname
, fxp_error());
404 file
= open_existing_wfile(outfname
, NULL
);
406 file
= open_new_file(outfname
, GET_PERMISSIONS(attrs
));
410 printf("local: unable to open %s\n", outfname
);
412 sftp_register(req
= fxp_close_send(fh
));
413 rreq
= sftp_find_request(pktin
= sftp_recv());
415 fxp_close_recv(pktin
, rreq
);
422 if (seek_file(file
, uint64_make(0,0) , FROM_END
) == -1) {
424 printf("reget: cannot restart %s - file too large\n",
426 sftp_register(req
= fxp_close_send(fh
));
427 rreq
= sftp_find_request(pktin
= sftp_recv());
429 fxp_close_recv(pktin
, rreq
);
434 offset
= get_file_posn(file
);
435 uint64_decimal(offset
, decbuf
);
436 printf("reget: restarting at file position %s\n", decbuf
);
438 offset
= uint64_make(0, 0);
441 printf("remote:%s => local:%s\n", fname
, outfname
);
444 * FIXME: we can use FXP_FSTAT here to get the file size, and
445 * thus put up a progress bar.
448 xfer
= xfer_download_init(fh
, offset
);
449 while (!xfer_done(xfer
)) {
454 xfer_download_queue(xfer
);
456 ret
= xfer_download_gotpkt(xfer
, pktin
);
460 printf("error while reading: %s\n", fxp_error());
466 while (xfer_download_data(xfer
, &vbuf
, &len
)) {
467 unsigned char *buf
= (unsigned char *)vbuf
;
471 wlen
= write_to_file(file
, buf
+ wpos
, len
- wpos
);
473 printf("error while writing local file\n");
475 xfer_set_error(xfer
);
480 if (wpos
< len
) { /* we had an error */
482 xfer_set_error(xfer
);
493 sftp_register(req
= fxp_close_send(fh
));
494 rreq
= sftp_find_request(pktin
= sftp_recv());
496 fxp_close_recv(pktin
, rreq
);
501 int sftp_put_file(char *fname
, char *outfname
, int recurse
, int restart
)
503 struct fxp_handle
*fh
;
504 struct fxp_xfer
*xfer
;
505 struct sftp_packet
*pktin
;
506 struct sftp_request
*req
, *rreq
;
510 struct fxp_attrs attrs
;
514 * In recursive mode, see if we're dealing with a directory.
515 * (If we're not in recursive mode, we need not even check: the
516 * subsequent fopen will return an error message.)
518 if (recurse
&& file_type(fname
) == FILE_TYPE_DIRECTORY
) {
520 int nnames
, namesize
;
521 char *name
, **ournames
;
526 * First, attempt to create the destination directory,
527 * unless it already exists.
529 sftp_register(req
= fxp_stat_send(outfname
));
530 rreq
= sftp_find_request(pktin
= sftp_recv());
532 result
= fxp_stat_recv(pktin
, rreq
, &attrs
);
534 !(attrs
.flags
& SSH_FILEXFER_ATTR_PERMISSIONS
) ||
535 !(attrs
.permissions
& 0040000)) {
536 sftp_register(req
= fxp_mkdir_send(outfname
));
537 rreq
= sftp_find_request(pktin
= sftp_recv());
539 result
= fxp_mkdir_recv(pktin
, rreq
);
542 printf("%s: create directory: %s\n",
543 outfname
, fxp_error());
549 * Now get the list of filenames in the local directory.
551 nnames
= namesize
= 0;
554 dh
= open_directory(fname
);
556 printf("%s: unable to open directory\n", fname
);
559 while ((name
= read_filename(dh
)) != NULL
) {
560 if (nnames
>= namesize
) {
562 ournames
= sresize(ournames
, namesize
, char *);
564 ournames
[nnames
++] = name
;
569 * Sort the names into a clear order. This ought to make
570 * things more predictable when we're doing a reput of the
571 * same directory, just in case two readdirs on the same
572 * local directory return a different order.
574 qsort(ournames
, nnames
, sizeof(*ournames
), bare_name_compare
);
577 * If we're in restart mode, find the last filename on this
578 * list that already exists. We may have to do a reput on
579 * _that_ file, but shouldn't have to do anything on the
582 * If none of them exists, of course, we start at 0.
588 nextoutfname
= dupcat(outfname
, "/", ournames
[i
], NULL
);
589 sftp_register(req
= fxp_stat_send(nextoutfname
));
590 rreq
= sftp_find_request(pktin
= sftp_recv());
592 result
= fxp_stat_recv(pktin
, rreq
, &attrs
);
603 * Now we're ready to recurse. Starting at ournames[i]
604 * and continuing on to the end of the list, we
605 * construct a new source and target file name, and
606 * call sftp_put_file again.
608 for (; i
< nnames
; i
++) {
609 char *nextfname
, *nextoutfname
;
613 nextfname
= dir_file_cat(fname
, ournames
[i
]);
615 nextfname
= dupstr(ournames
[i
]);
616 nextoutfname
= dupcat(outfname
, "/", ournames
[i
], NULL
);
617 ret
= sftp_put_file(nextfname
, nextoutfname
, recurse
, restart
);
618 restart
= FALSE
; /* after first partial file, do full */
622 for (i
= 0; i
< nnames
; i
++) {
631 * Done this recursion level. Free everything.
633 for (i
= 0; i
< nnames
; i
++) {
641 file
= open_existing_file(fname
, NULL
, NULL
, NULL
, &permissions
);
643 printf("local: unable to open %s\n", fname
);
647 PUT_PERMISSIONS(attrs
, permissions
);
649 sftp_register(req
= fxp_open_send(outfname
, SSH_FXF_WRITE
, &attrs
));
651 sftp_register(req
= fxp_open_send(outfname
, SSH_FXF_WRITE
|
652 SSH_FXF_CREAT
| SSH_FXF_TRUNC
,
655 rreq
= sftp_find_request(pktin
= sftp_recv());
657 fh
= fxp_open_recv(pktin
, rreq
);
661 printf("%s: open for write: %s\n", outfname
, fxp_error());
667 struct fxp_attrs attrs
;
670 sftp_register(req
= fxp_fstat_send(fh
));
671 rreq
= sftp_find_request(pktin
= sftp_recv());
673 ret
= fxp_fstat_recv(pktin
, rreq
, &attrs
);
677 printf("read size of %s: %s\n", outfname
, fxp_error());
680 if (!(attrs
.flags
& SSH_FILEXFER_ATTR_SIZE
)) {
682 printf("read size of %s: size was not given\n", outfname
);
686 uint64_decimal(offset
, decbuf
);
687 printf("reput: restarting at file position %s\n", decbuf
);
689 if (seek_file((WFile
*)file
, offset
, FROM_START
) != 0)
690 seek_file((WFile
*)file
, uint64_make(0,0), FROM_END
); /* *shrug* */
692 offset
= uint64_make(0, 0);
695 printf("local:%s => remote:%s\n", fname
, outfname
);
698 * FIXME: we can use FXP_FSTAT here to get the file size, and
699 * thus put up a progress bar.
702 xfer
= xfer_upload_init(fh
, offset
);
704 while ((!err
&& !eof
) || !xfer_done(xfer
)) {
708 while (xfer_upload_ready(xfer
) && !err
&& !eof
) {
709 len
= read_from_file(file
, buffer
, sizeof(buffer
));
711 printf("error while reading local file\n");
713 } else if (len
== 0) {
716 xfer_upload_data(xfer
, buffer
, len
);
720 if (!xfer_done(xfer
)) {
722 ret
= xfer_upload_gotpkt(xfer
, pktin
);
723 if (ret
<= 0 && !err
) {
724 printf("error while writing: %s\n", fxp_error());
732 sftp_register(req
= fxp_close_send(fh
));
733 rreq
= sftp_find_request(pktin
= sftp_recv());
735 fxp_close_recv(pktin
, rreq
);
742 /* ----------------------------------------------------------------------
743 * A remote wildcard matcher, providing a similar interface to the
744 * local one in psftp.h.
747 typedef struct SftpWildcardMatcher
{
748 struct fxp_handle
*dirh
;
749 struct fxp_names
*names
;
751 char *wildcard
, *prefix
;
752 } SftpWildcardMatcher
;
754 SftpWildcardMatcher
*sftp_begin_wildcard_matching(char *name
)
756 struct sftp_packet
*pktin
;
757 struct sftp_request
*req
, *rreq
;
759 char *unwcdir
, *tmpdir
, *cdir
;
761 SftpWildcardMatcher
*swcm
;
762 struct fxp_handle
*dirh
;
765 * We don't handle multi-level wildcards; so we expect to find
766 * a fully specified directory part, followed by a wildcard
769 wildcard
= stripslashes(name
, 0);
771 unwcdir
= dupstr(name
);
772 len
= wildcard
- name
;
774 if (len
> 0 && unwcdir
[len
-1] == '/')
775 unwcdir
[len
-1] = '\0';
776 tmpdir
= snewn(1 + len
, char);
777 check
= wc_unescape(tmpdir
, unwcdir
);
781 printf("Multiple-level wildcards are not supported\n");
786 cdir
= canonify(unwcdir
);
788 sftp_register(req
= fxp_opendir_send(cdir
));
789 rreq
= sftp_find_request(pktin
= sftp_recv());
791 dirh
= fxp_opendir_recv(pktin
, rreq
);
794 swcm
= snew(SftpWildcardMatcher
);
797 swcm
->wildcard
= dupstr(wildcard
);
798 swcm
->prefix
= unwcdir
;
800 printf("Unable to open %s: %s\n", cdir
, fxp_error());
810 char *sftp_wildcard_get_filename(SftpWildcardMatcher
*swcm
)
812 struct fxp_name
*name
;
813 struct sftp_packet
*pktin
;
814 struct sftp_request
*req
, *rreq
;
817 if (swcm
->names
&& swcm
->namepos
>= swcm
->names
->nnames
) {
818 fxp_free_names(swcm
->names
);
823 sftp_register(req
= fxp_readdir_send(swcm
->dirh
));
824 rreq
= sftp_find_request(pktin
= sftp_recv());
826 swcm
->names
= fxp_readdir_recv(pktin
, rreq
);
829 if (fxp_error_type() != SSH_FX_EOF
)
830 printf("%s: reading directory: %s\n", swcm
->prefix
,
833 } else if (swcm
->names
->nnames
== 0) {
835 * Another failure mode which we treat as EOF is if
836 * the server reports success from FXP_READDIR but
837 * returns no actual names. This is unusual, since
838 * from most servers you'd expect at least "." and
839 * "..", but there's nothing forbidding a server from
840 * omitting those if it wants to.
848 assert(swcm
->names
&& swcm
->namepos
< swcm
->names
->nnames
);
850 name
= &swcm
->names
->names
[swcm
->namepos
++];
852 if (!strcmp(name
->filename
, ".") || !strcmp(name
->filename
, ".."))
853 continue; /* expected bad filenames */
855 if (!vet_filename(name
->filename
)) {
856 printf("ignoring potentially dangerous server-"
857 "supplied filename '%s'\n", name
->filename
);
858 continue; /* unexpected bad filename */
861 if (!wc_match(swcm
->wildcard
, name
->filename
))
862 continue; /* doesn't match the wildcard */
865 * We have a working filename. Return it.
867 return dupprintf("%s%s%s", swcm
->prefix
,
869 swcm
->prefix
[strlen(swcm
->prefix
)-1]=='/' ?
875 void sftp_finish_wildcard_matching(SftpWildcardMatcher
*swcm
)
877 struct sftp_packet
*pktin
;
878 struct sftp_request
*req
, *rreq
;
880 sftp_register(req
= fxp_close_send(swcm
->dirh
));
881 rreq
= sftp_find_request(pktin
= sftp_recv());
883 fxp_close_recv(pktin
, rreq
);
886 fxp_free_names(swcm
->names
);
889 sfree(swcm
->wildcard
);
895 * General function to match a potential wildcard in a filename
896 * argument and iterate over every matching file. Used in several
897 * PSFTP commands (rmdir, rm, chmod, mv).
899 int wildcard_iterate(char *filename
, int (*func
)(void *, char *), void *ctx
)
901 char *unwcfname
, *newname
, *cname
;
904 unwcfname
= snewn(strlen(filename
)+1, char);
905 is_wc
= !wc_unescape(unwcfname
, filename
);
908 SftpWildcardMatcher
*swcm
= sftp_begin_wildcard_matching(filename
);
917 while ( (newname
= sftp_wildcard_get_filename(swcm
)) != NULL
) {
918 cname
= canonify(newname
);
920 printf("%s: canonify: %s\n", newname
, fxp_error());
924 ret
&= func(ctx
, cname
);
929 /* Politely warn the user that nothing matched. */
930 printf("%s: nothing matched\n", filename
);
933 sftp_finish_wildcard_matching(swcm
);
935 cname
= canonify(unwcfname
);
937 printf("%s: canonify: %s\n", filename
, fxp_error());
940 ret
= func(ctx
, cname
);
949 * Handy helper function.
951 int is_wildcard(char *name
)
953 char *unwcfname
= snewn(strlen(name
)+1, char);
954 int is_wc
= !wc_unescape(unwcfname
, name
);
959 /* ----------------------------------------------------------------------
960 * Actual sftp commands.
962 struct sftp_command
{
964 int nwords
, wordssize
;
965 int (*obey
) (struct sftp_command
*); /* returns <0 to quit */
968 int sftp_cmd_null(struct sftp_command
*cmd
)
970 return 1; /* success */
973 int sftp_cmd_unknown(struct sftp_command
*cmd
)
975 printf("psftp: unknown command \"%s\"\n", cmd
->words
[0]);
976 return 0; /* failure */
979 int sftp_cmd_quit(struct sftp_command
*cmd
)
984 int sftp_cmd_close(struct sftp_command
*cmd
)
991 if (back
!= NULL
&& back
->connected(backhandle
)) {
993 back
->special(backhandle
, TS_EOF
);
995 sftp_recvdata(&ch
, 1);
1003 * List a directory. If no arguments are given, list pwd; otherwise
1004 * list the directory given in words[1].
1006 int sftp_cmd_ls(struct sftp_command
*cmd
)
1008 struct fxp_handle
*dirh
;
1009 struct fxp_names
*names
;
1010 struct fxp_name
**ournames
;
1011 int nnames
, namesize
;
1012 char *dir
, *cdir
, *unwcdir
, *wildcard
;
1013 struct sftp_packet
*pktin
;
1014 struct sftp_request
*req
, *rreq
;
1022 if (cmd
->nwords
< 2)
1025 dir
= cmd
->words
[1];
1027 unwcdir
= snewn(1 + strlen(dir
), char);
1028 if (wc_unescape(unwcdir
, dir
)) {
1035 wildcard
= stripslashes(dir
, 0);
1036 unwcdir
= dupstr(dir
);
1037 len
= wildcard
- dir
;
1038 unwcdir
[len
] = '\0';
1039 if (len
> 0 && unwcdir
[len
-1] == '/')
1040 unwcdir
[len
-1] = '\0';
1041 tmpdir
= snewn(1 + len
, char);
1042 check
= wc_unescape(tmpdir
, unwcdir
);
1045 printf("Multiple-level wildcards are not supported\n");
1052 cdir
= canonify(dir
);
1054 printf("%s: canonify: %s\n", dir
, fxp_error());
1059 printf("Listing directory %s\n", cdir
);
1061 sftp_register(req
= fxp_opendir_send(cdir
));
1062 rreq
= sftp_find_request(pktin
= sftp_recv());
1063 assert(rreq
== req
);
1064 dirh
= fxp_opendir_recv(pktin
, rreq
);
1067 printf("Unable to open %s: %s\n", dir
, fxp_error());
1069 nnames
= namesize
= 0;
1074 sftp_register(req
= fxp_readdir_send(dirh
));
1075 rreq
= sftp_find_request(pktin
= sftp_recv());
1076 assert(rreq
== req
);
1077 names
= fxp_readdir_recv(pktin
, rreq
);
1079 if (names
== NULL
) {
1080 if (fxp_error_type() == SSH_FX_EOF
)
1082 printf("Reading directory %s: %s\n", dir
, fxp_error());
1085 if (names
->nnames
== 0) {
1086 fxp_free_names(names
);
1090 if (nnames
+ names
->nnames
>= namesize
) {
1091 namesize
+= names
->nnames
+ 128;
1092 ournames
= sresize(ournames
, namesize
, struct fxp_name
*);
1095 for (i
= 0; i
< names
->nnames
; i
++)
1096 if (!wildcard
|| wc_match(wildcard
, names
->names
[i
].filename
))
1097 ournames
[nnames
++] = fxp_dup_name(&names
->names
[i
]);
1099 fxp_free_names(names
);
1101 sftp_register(req
= fxp_close_send(dirh
));
1102 rreq
= sftp_find_request(pktin
= sftp_recv());
1103 assert(rreq
== req
);
1104 fxp_close_recv(pktin
, rreq
);
1107 * Now we have our filenames. Sort them by actual file
1108 * name, and then output the longname parts.
1110 qsort(ournames
, nnames
, sizeof(*ournames
), sftp_name_compare
);
1115 for (i
= 0; i
< nnames
; i
++) {
1116 printf("%s\n", ournames
[i
]->longname
);
1117 fxp_free_name(ournames
[i
]);
1129 * Change directories. We do this by canonifying the new name, then
1130 * trying to OPENDIR it. Only if that succeeds do we set the new pwd.
1132 int sftp_cmd_cd(struct sftp_command
*cmd
)
1134 struct fxp_handle
*dirh
;
1135 struct sftp_packet
*pktin
;
1136 struct sftp_request
*req
, *rreq
;
1144 if (cmd
->nwords
< 2)
1145 dir
= dupstr(homedir
);
1147 dir
= canonify(cmd
->words
[1]);
1150 printf("%s: canonify: %s\n", dir
, fxp_error());
1154 sftp_register(req
= fxp_opendir_send(dir
));
1155 rreq
= sftp_find_request(pktin
= sftp_recv());
1156 assert(rreq
== req
);
1157 dirh
= fxp_opendir_recv(pktin
, rreq
);
1160 printf("Directory %s: %s\n", dir
, fxp_error());
1165 sftp_register(req
= fxp_close_send(dirh
));
1166 rreq
= sftp_find_request(pktin
= sftp_recv());
1167 assert(rreq
== req
);
1168 fxp_close_recv(pktin
, rreq
);
1172 printf("Remote directory is now %s\n", pwd
);
1178 * Print current directory. Easy as pie.
1180 int sftp_cmd_pwd(struct sftp_command
*cmd
)
1187 printf("Remote directory is %s\n", pwd
);
1192 * Get a file and save it at the local end. We have three very
1193 * similar commands here. The basic one is `get'; `reget' differs
1194 * in that it checks for the existence of the destination file and
1195 * starts from where a previous aborted transfer left off; `mget'
1196 * differs in that it interprets all its arguments as files to
1197 * transfer (never as a different local name for a remote file) and
1198 * can handle wildcards.
1200 int sftp_general_get(struct sftp_command
*cmd
, int restart
, int multiple
)
1202 char *fname
, *unwcfname
, *origfname
, *origwfname
, *outfname
;
1204 int recurse
= FALSE
;
1212 while (i
< cmd
->nwords
&& cmd
->words
[i
][0] == '-') {
1213 if (!strcmp(cmd
->words
[i
], "--")) {
1214 /* finish processing options */
1217 } else if (!strcmp(cmd
->words
[i
], "-r")) {
1220 printf("%s: unrecognised option '%s'\n", cmd
->words
[0], cmd
->words
[i
]);
1226 if (i
>= cmd
->nwords
) {
1227 printf("%s: expects a filename\n", cmd
->words
[0]);
1233 SftpWildcardMatcher
*swcm
;
1235 origfname
= cmd
->words
[i
++];
1236 unwcfname
= snewn(strlen(origfname
)+1, char);
1238 if (multiple
&& !wc_unescape(unwcfname
, origfname
)) {
1239 swcm
= sftp_begin_wildcard_matching(origfname
);
1244 origwfname
= sftp_wildcard_get_filename(swcm
);
1246 /* Politely warn the user that nothing matched. */
1247 printf("%s: nothing matched\n", origfname
);
1248 sftp_finish_wildcard_matching(swcm
);
1253 origwfname
= origfname
;
1257 while (origwfname
) {
1258 fname
= canonify(origwfname
);
1261 printf("%s: canonify: %s\n", origwfname
, fxp_error());
1266 if (!multiple
&& i
< cmd
->nwords
)
1267 outfname
= cmd
->words
[i
++];
1269 outfname
= stripslashes(origwfname
, 0);
1271 ret
= sftp_get_file(fname
, outfname
, recurse
, restart
);
1277 origwfname
= sftp_wildcard_get_filename(swcm
);
1284 sftp_finish_wildcard_matching(swcm
);
1288 } while (multiple
&& i
< cmd
->nwords
);
1292 int sftp_cmd_get(struct sftp_command
*cmd
)
1294 return sftp_general_get(cmd
, 0, 0);
1296 int sftp_cmd_mget(struct sftp_command
*cmd
)
1298 return sftp_general_get(cmd
, 0, 1);
1300 int sftp_cmd_reget(struct sftp_command
*cmd
)
1302 return sftp_general_get(cmd
, 1, 0);
1306 * Send a file and store it at the remote end. We have three very
1307 * similar commands here. The basic one is `put'; `reput' differs
1308 * in that it checks for the existence of the destination file and
1309 * starts from where a previous aborted transfer left off; `mput'
1310 * differs in that it interprets all its arguments as files to
1311 * transfer (never as a different remote name for a local file) and
1312 * can handle wildcards.
1314 int sftp_general_put(struct sftp_command
*cmd
, int restart
, int multiple
)
1316 char *fname
, *wfname
, *origoutfname
, *outfname
;
1318 int recurse
= FALSE
;
1326 while (i
< cmd
->nwords
&& cmd
->words
[i
][0] == '-') {
1327 if (!strcmp(cmd
->words
[i
], "--")) {
1328 /* finish processing options */
1331 } else if (!strcmp(cmd
->words
[i
], "-r")) {
1334 printf("%s: unrecognised option '%s'\n", cmd
->words
[0], cmd
->words
[i
]);
1340 if (i
>= cmd
->nwords
) {
1341 printf("%s: expects a filename\n", cmd
->words
[0]);
1347 WildcardMatcher
*wcm
;
1348 fname
= cmd
->words
[i
++];
1350 if (multiple
&& test_wildcard(fname
, FALSE
) == WCTYPE_WILDCARD
) {
1351 wcm
= begin_wildcard_matching(fname
);
1352 wfname
= wildcard_get_filename(wcm
);
1354 /* Politely warn the user that nothing matched. */
1355 printf("%s: nothing matched\n", fname
);
1356 finish_wildcard_matching(wcm
);
1365 if (!multiple
&& i
< cmd
->nwords
)
1366 origoutfname
= cmd
->words
[i
++];
1368 origoutfname
= stripslashes(wfname
, 1);
1370 outfname
= canonify(origoutfname
);
1372 printf("%s: canonify: %s\n", origoutfname
, fxp_error());
1375 finish_wildcard_matching(wcm
);
1379 ret
= sftp_put_file(wfname
, outfname
, recurse
, restart
);
1384 wfname
= wildcard_get_filename(wcm
);
1391 finish_wildcard_matching(wcm
);
1396 } while (multiple
&& i
< cmd
->nwords
);
1400 int sftp_cmd_put(struct sftp_command
*cmd
)
1402 return sftp_general_put(cmd
, 0, 0);
1404 int sftp_cmd_mput(struct sftp_command
*cmd
)
1406 return sftp_general_put(cmd
, 0, 1);
1408 int sftp_cmd_reput(struct sftp_command
*cmd
)
1410 return sftp_general_put(cmd
, 1, 0);
1413 int sftp_cmd_mkdir(struct sftp_command
*cmd
)
1416 struct sftp_packet
*pktin
;
1417 struct sftp_request
*req
, *rreq
;
1426 if (cmd
->nwords
< 2) {
1427 printf("mkdir: expects a directory\n");
1432 for (i
= 1; i
< cmd
->nwords
; i
++) {
1433 dir
= canonify(cmd
->words
[i
]);
1435 printf("%s: canonify: %s\n", dir
, fxp_error());
1439 sftp_register(req
= fxp_mkdir_send(dir
));
1440 rreq
= sftp_find_request(pktin
= sftp_recv());
1441 assert(rreq
== req
);
1442 result
= fxp_mkdir_recv(pktin
, rreq
);
1445 printf("mkdir %s: %s\n", dir
, fxp_error());
1448 printf("mkdir %s: OK\n", dir
);
1456 static int sftp_action_rmdir(void *vctx
, char *dir
)
1458 struct sftp_packet
*pktin
;
1459 struct sftp_request
*req
, *rreq
;
1462 sftp_register(req
= fxp_rmdir_send(dir
));
1463 rreq
= sftp_find_request(pktin
= sftp_recv());
1464 assert(rreq
== req
);
1465 result
= fxp_rmdir_recv(pktin
, rreq
);
1468 printf("rmdir %s: %s\n", dir
, fxp_error());
1472 printf("rmdir %s: OK\n", dir
);
1477 int sftp_cmd_rmdir(struct sftp_command
*cmd
)
1486 if (cmd
->nwords
< 2) {
1487 printf("rmdir: expects a directory\n");
1492 for (i
= 1; i
< cmd
->nwords
; i
++)
1493 ret
&= wildcard_iterate(cmd
->words
[i
], sftp_action_rmdir
, NULL
);
1498 static int sftp_action_rm(void *vctx
, char *fname
)
1500 struct sftp_packet
*pktin
;
1501 struct sftp_request
*req
, *rreq
;
1504 sftp_register(req
= fxp_remove_send(fname
));
1505 rreq
= sftp_find_request(pktin
= sftp_recv());
1506 assert(rreq
== req
);
1507 result
= fxp_remove_recv(pktin
, rreq
);
1510 printf("rm %s: %s\n", fname
, fxp_error());
1514 printf("rm %s: OK\n", fname
);
1519 int sftp_cmd_rm(struct sftp_command
*cmd
)
1528 if (cmd
->nwords
< 2) {
1529 printf("rm: expects a filename\n");
1534 for (i
= 1; i
< cmd
->nwords
; i
++)
1535 ret
&= wildcard_iterate(cmd
->words
[i
], sftp_action_rm
, NULL
);
1540 static int check_is_dir(char *dstfname
)
1542 struct sftp_packet
*pktin
;
1543 struct sftp_request
*req
, *rreq
;
1544 struct fxp_attrs attrs
;
1547 sftp_register(req
= fxp_stat_send(dstfname
));
1548 rreq
= sftp_find_request(pktin
= sftp_recv());
1549 assert(rreq
== req
);
1550 result
= fxp_stat_recv(pktin
, rreq
, &attrs
);
1553 (attrs
.flags
& SSH_FILEXFER_ATTR_PERMISSIONS
) &&
1554 (attrs
.permissions
& 0040000))
1560 struct sftp_context_mv
{
1565 static int sftp_action_mv(void *vctx
, char *srcfname
)
1567 struct sftp_context_mv
*ctx
= (struct sftp_context_mv
*)vctx
;
1568 struct sftp_packet
*pktin
;
1569 struct sftp_request
*req
, *rreq
;
1571 char *finalfname
, *newcanon
= NULL
;
1574 if (ctx
->dest_is_dir
) {
1578 p
= srcfname
+ strlen(srcfname
);
1579 while (p
> srcfname
&& p
[-1] != '/') p
--;
1580 newname
= dupcat(ctx
->dstfname
, "/", p
, NULL
);
1581 newcanon
= canonify(newname
);
1583 printf("%s: canonify: %s\n", newname
, fxp_error());
1589 finalfname
= newcanon
;
1591 finalfname
= ctx
->dstfname
;
1594 sftp_register(req
= fxp_rename_send(srcfname
, finalfname
));
1595 rreq
= sftp_find_request(pktin
= sftp_recv());
1596 assert(rreq
== req
);
1597 result
= fxp_rename_recv(pktin
, rreq
);
1599 error
= result ? NULL
: fxp_error();
1602 printf("mv %s %s: %s\n", srcfname
, finalfname
, error
);
1605 printf("%s -> %s\n", srcfname
, finalfname
);
1613 int sftp_cmd_mv(struct sftp_command
*cmd
)
1615 struct sftp_context_mv actx
, *ctx
= &actx
;
1623 if (cmd
->nwords
< 3) {
1624 printf("mv: expects two filenames\n");
1628 ctx
->dstfname
= canonify(cmd
->words
[cmd
->nwords
-1]);
1629 if (!ctx
->dstfname
) {
1630 printf("%s: canonify: %s\n", ctx
->dstfname
, fxp_error());
1635 * If there's more than one source argument, or one source
1636 * argument which is a wildcard, we _require_ that the
1637 * destination is a directory.
1639 ctx
->dest_is_dir
= check_is_dir(ctx
->dstfname
);
1640 if ((cmd
->nwords
> 3 || is_wildcard(cmd
->words
[1])) && !ctx
->dest_is_dir
) {
1641 printf("mv: multiple or wildcard arguments require the destination"
1642 " to be a directory\n");
1643 sfree(ctx
->dstfname
);
1648 * Now iterate over the source arguments.
1651 for (i
= 1; i
< cmd
->nwords
-1; i
++)
1652 ret
&= wildcard_iterate(cmd
->words
[i
], sftp_action_mv
, ctx
);
1654 sfree(ctx
->dstfname
);
1658 struct sftp_context_chmod
{
1659 unsigned attrs_clr
, attrs_xor
;
1662 static int sftp_action_chmod(void *vctx
, char *fname
)
1664 struct fxp_attrs attrs
;
1665 struct sftp_packet
*pktin
;
1666 struct sftp_request
*req
, *rreq
;
1668 unsigned oldperms
, newperms
;
1669 struct sftp_context_chmod
*ctx
= (struct sftp_context_chmod
*)vctx
;
1671 sftp_register(req
= fxp_stat_send(fname
));
1672 rreq
= sftp_find_request(pktin
= sftp_recv());
1673 assert(rreq
== req
);
1674 result
= fxp_stat_recv(pktin
, rreq
, &attrs
);
1676 if (!result
|| !(attrs
.flags
& SSH_FILEXFER_ATTR_PERMISSIONS
)) {
1677 printf("get attrs for %s: %s\n", fname
,
1678 result ?
"file permissions not provided" : fxp_error());
1682 attrs
.flags
= SSH_FILEXFER_ATTR_PERMISSIONS
; /* perms _only_ */
1683 oldperms
= attrs
.permissions
& 07777;
1684 attrs
.permissions
&= ~ctx
->attrs_clr
;
1685 attrs
.permissions
^= ctx
->attrs_xor
;
1686 newperms
= attrs
.permissions
& 07777;
1688 if (oldperms
== newperms
)
1689 return 1; /* no need to do anything! */
1691 sftp_register(req
= fxp_setstat_send(fname
, attrs
));
1692 rreq
= sftp_find_request(pktin
= sftp_recv());
1693 assert(rreq
== req
);
1694 result
= fxp_setstat_recv(pktin
, rreq
);
1697 printf("set attrs for %s: %s\n", fname
, fxp_error());
1701 printf("%s: %04o -> %04o\n", fname
, oldperms
, newperms
);
1706 int sftp_cmd_chmod(struct sftp_command
*cmd
)
1710 struct sftp_context_chmod actx
, *ctx
= &actx
;
1717 if (cmd
->nwords
< 3) {
1718 printf("chmod: expects a mode specifier and a filename\n");
1723 * Attempt to parse the mode specifier in cmd->words[1]. We
1724 * don't support the full horror of Unix chmod; instead we
1725 * support a much simpler syntax in which the user can either
1726 * specify an octal number, or a comma-separated sequence of
1727 * [ugoa]*[-+=][rwxst]+. (The initial [ugoa] sequence may
1728 * _only_ be omitted if the only attribute mentioned is t,
1729 * since all others require a user/group/other specification.
1730 * Additionally, the s attribute may not be specified for any
1731 * [ugoa] specifications other than exactly u or exactly g.
1733 ctx
->attrs_clr
= ctx
->attrs_xor
= 0;
1734 mode
= cmd
->words
[1];
1735 if (mode
[0] >= '0' && mode
[0] <= '9') {
1736 if (mode
[strspn(mode
, "01234567")]) {
1737 printf("chmod: numeric file modes should"
1738 " contain digits 0-7 only\n");
1741 ctx
->attrs_clr
= 07777;
1742 sscanf(mode
, "%o", &ctx
->attrs_xor
);
1743 ctx
->attrs_xor
&= ctx
->attrs_clr
;
1746 char *modebegin
= mode
;
1747 unsigned subset
, perms
;
1751 while (*mode
&& *mode
!= ',' &&
1752 *mode
!= '+' && *mode
!= '-' && *mode
!= '=') {
1754 case 'u': subset
|= 04700; break; /* setuid, user perms */
1755 case 'g': subset
|= 02070; break; /* setgid, group perms */
1756 case 'o': subset
|= 00007; break; /* just other perms */
1757 case 'a': subset
|= 06777; break; /* all of the above */
1759 printf("chmod: file mode '%.*s' contains unrecognised"
1760 " user/group/other specifier '%c'\n",
1761 (int)strcspn(modebegin
, ","), modebegin
, *mode
);
1766 if (!*mode
|| *mode
== ',') {
1767 printf("chmod: file mode '%.*s' is incomplete\n",
1768 (int)strcspn(modebegin
, ","), modebegin
);
1772 if (!*mode
|| *mode
== ',') {
1773 printf("chmod: file mode '%.*s' is incomplete\n",
1774 (int)strcspn(modebegin
, ","), modebegin
);
1778 while (*mode
&& *mode
!= ',') {
1780 case 'r': perms
|= 00444; break;
1781 case 'w': perms
|= 00222; break;
1782 case 'x': perms
|= 00111; break;
1783 case 't': perms
|= 01000; subset
|= 01000; break;
1785 if ((subset
& 06777) != 04700 &&
1786 (subset
& 06777) != 02070) {
1787 printf("chmod: file mode '%.*s': set[ug]id bit should"
1788 " be used with exactly one of u or g only\n",
1789 (int)strcspn(modebegin
, ","), modebegin
);
1795 printf("chmod: file mode '%.*s' contains unrecognised"
1796 " permission specifier '%c'\n",
1797 (int)strcspn(modebegin
, ","), modebegin
, *mode
);
1802 if (!(subset
& 06777) && (perms
&~ subset
)) {
1803 printf("chmod: file mode '%.*s' contains no user/group/other"
1804 " specifier and permissions other than 't' \n",
1805 (int)strcspn(modebegin
, ","), modebegin
);
1811 ctx
->attrs_clr
|= perms
;
1812 ctx
->attrs_xor
|= perms
;
1815 ctx
->attrs_clr
|= perms
;
1816 ctx
->attrs_xor
&= ~perms
;
1819 ctx
->attrs_clr
|= subset
;
1820 ctx
->attrs_xor
|= perms
;
1823 if (*mode
) mode
++; /* eat comma */
1828 for (i
= 2; i
< cmd
->nwords
; i
++)
1829 ret
&= wildcard_iterate(cmd
->words
[i
], sftp_action_chmod
, ctx
);
1834 static int sftp_cmd_open(struct sftp_command
*cmd
)
1839 printf("psftp: already connected\n");
1843 if (cmd
->nwords
< 2) {
1844 printf("open: expects a host name\n");
1848 if (cmd
->nwords
> 2) {
1849 portnumber
= atoi(cmd
->words
[2]);
1850 if (portnumber
== 0) {
1851 printf("open: invalid port number\n");
1857 if (psftp_connect(cmd
->words
[1], NULL
, portnumber
)) {
1858 back
= NULL
; /* connection is already closed */
1859 return -1; /* this is fatal */
1865 static int sftp_cmd_lcd(struct sftp_command
*cmd
)
1867 char *currdir
, *errmsg
;
1869 if (cmd
->nwords
< 2) {
1870 printf("lcd: expects a local directory name\n");
1874 errmsg
= psftp_lcd(cmd
->words
[1]);
1876 printf("lcd: unable to change directory: %s\n", errmsg
);
1881 currdir
= psftp_getcwd();
1882 printf("New local directory is %s\n", currdir
);
1888 static int sftp_cmd_lpwd(struct sftp_command
*cmd
)
1892 currdir
= psftp_getcwd();
1893 printf("Current local directory is %s\n", currdir
);
1899 static int sftp_cmd_pling(struct sftp_command
*cmd
)
1903 exitcode
= system(cmd
->words
[1]);
1904 return (exitcode
== 0);
1907 static int sftp_cmd_help(struct sftp_command
*cmd
);
1909 static struct sftp_cmd_lookup
{
1912 * For help purposes, there are two kinds of command:
1914 * - primary commands, in which `longhelp' is non-NULL. In
1915 * this case `shorthelp' is descriptive text, and `longhelp'
1916 * is longer descriptive text intended to be printed after
1919 * - alias commands, in which `longhelp' is NULL. In this case
1920 * `shorthelp' is the name of a primary command, which
1921 * contains the help that should double up for this command.
1923 int listed
; /* do we list this in primary help? */
1926 int (*obey
) (struct sftp_command
*);
1929 * List of sftp commands. This is binary-searched so it MUST be
1933 "!", TRUE
, "run a local command",
1935 /* FIXME: this example is crap for non-Windows. */
1936 " Runs a local command. For example, \"!del myfile\".\n",
1940 "bye", TRUE
, "finish your SFTP session",
1942 " Terminates your SFTP session and quits the PSFTP program.\n",
1946 "cd", TRUE
, "change your remote working directory",
1947 " [ <new working directory> ]\n"
1948 " Change the remote working directory for your SFTP session.\n"
1949 " If a new working directory is not supplied, you will be\n"
1950 " returned to your home directory.\n",
1954 "chmod", TRUE
, "change file permissions and modes",
1955 " <modes> <filename-or-wildcard> [ <filename-or-wildcard>... ]\n"
1956 " Change the file permissions on one or more remote files or\n"
1958 " <modes> can be any octal Unix permission specifier.\n"
1959 " Alternatively, <modes> can include the following modifiers:\n"
1960 " u+r make file readable by owning user\n"
1961 " u+w make file writable by owning user\n"
1962 " u+x make file executable by owning user\n"
1963 " u-r make file not readable by owning user\n"
1964 " [also u-w, u-x]\n"
1965 " g+r make file readable by members of owning group\n"
1966 " [also g+w, g+x, g-r, g-w, g-x]\n"
1967 " o+r make file readable by all other users\n"
1968 " [also o+w, o+x, o-r, o-w, o-x]\n"
1969 " a+r make file readable by absolutely everybody\n"
1970 " [also a+w, a+x, a-r, a-w, a-x]\n"
1971 " u+s enable the Unix set-user-ID bit\n"
1972 " u-s disable the Unix set-user-ID bit\n"
1973 " g+s enable the Unix set-group-ID bit\n"
1974 " g-s disable the Unix set-group-ID bit\n"
1975 " +t enable the Unix \"sticky bit\"\n"
1976 " You can give more than one modifier for the same user (\"g-rwx\"), and\n"
1977 " more than one user for the same modifier (\"ug+w\"). You can\n"
1978 " use commas to separate different modifiers (\"u+rwx,g+s\").\n",
1982 "close", TRUE
, "finish your SFTP session but do not quit PSFTP",
1984 " Terminates your SFTP session, but does not quit the PSFTP\n"
1985 " program. You can then use \"open\" to start another SFTP\n"
1986 " session, to the same server or to a different one.\n",
1990 "del", TRUE
, "delete files on the remote server",
1991 " <filename-or-wildcard> [ <filename-or-wildcard>... ]\n"
1992 " Delete a file or files from the server.\n",
1996 "delete", FALSE
, "del", NULL
, sftp_cmd_rm
1999 "dir", TRUE
, "list remote files",
2000 " [ <directory-name> ]/[ <wildcard> ]\n"
2001 " List the contents of a specified directory on the server.\n"
2002 " If <directory-name> is not given, the current working directory\n"
2004 " If <wildcard> is given, it is treated as a set of files to\n"
2005 " list; otherwise, all files are listed.\n",
2009 "exit", TRUE
, "bye", NULL
, sftp_cmd_quit
2012 "get", TRUE
, "download a file from the server to your local machine",
2013 " [ -r ] [ -- ] <filename> [ <local-filename> ]\n"
2014 " Downloads a file on the server and stores it locally under\n"
2015 " the same name, or under a different one if you supply the\n"
2016 " argument <local-filename>.\n"
2017 " If -r specified, recursively fetch a directory.\n",
2021 "help", TRUE
, "give help",
2022 " [ <command> [ <command> ... ] ]\n"
2023 " Give general help if no commands are specified.\n"
2024 " If one or more commands are specified, give specific help on\n"
2025 " those particular commands.\n",
2029 "lcd", TRUE
, "change local working directory",
2030 " <local-directory-name>\n"
2031 " Change the local working directory of the PSFTP program (the\n"
2032 " default location where the \"get\" command will save files).\n",
2036 "lpwd", TRUE
, "print local working directory",
2038 " Print the local working directory of the PSFTP program (the\n"
2039 " default location where the \"get\" command will save files).\n",
2043 "ls", TRUE
, "dir", NULL
,
2047 "mget", TRUE
, "download multiple files at once",
2048 " [ -r ] [ -- ] <filename-or-wildcard> [ <filename-or-wildcard>... ]\n"
2049 " Downloads many files from the server, storing each one under\n"
2050 " the same name it has on the server side. You can use wildcards\n"
2051 " such as \"*.c\" to specify lots of files at once.\n"
2052 " If -r specified, recursively fetch files and directories.\n",
2056 "mkdir", TRUE
, "create directories on the remote server",
2057 " <directory-name> [ <directory-name>... ]\n"
2058 " Creates directories with the given names on the server.\n",
2062 "mput", TRUE
, "upload multiple files at once",
2063 " [ -r ] [ -- ] <filename-or-wildcard> [ <filename-or-wildcard>... ]\n"
2064 " Uploads many files to the server, storing each one under the\n"
2065 " same name it has on the client side. You can use wildcards\n"
2066 " such as \"*.c\" to specify lots of files at once.\n"
2067 " If -r specified, recursively store files and directories.\n",
2071 "mv", TRUE
, "move or rename file(s) on the remote server",
2072 " <source> [ <source>... ] <destination>\n"
2073 " Moves or renames <source>(s) on the server to <destination>,\n"
2074 " also on the server.\n"
2075 " If <destination> specifies an existing directory, then <source>\n"
2076 " may be a wildcard, and multiple <source>s may be given; all\n"
2077 " source files are moved into <destination>.\n"
2078 " Otherwise, <source> must specify a single file, which is moved\n"
2079 " or renamed so that it is accessible under the name <destination>.\n",
2083 "open", TRUE
, "connect to a host",
2084 " [<user>@]<hostname> [<port>]\n"
2085 " Establishes an SFTP connection to a given host. Only usable\n"
2086 " when you are not already connected to a server.\n",
2090 "put", TRUE
, "upload a file from your local machine to the server",
2091 " [ -r ] [ -- ] <filename> [ <remote-filename> ]\n"
2092 " Uploads a file to the server and stores it there under\n"
2093 " the same name, or under a different one if you supply the\n"
2094 " argument <remote-filename>.\n"
2095 " If -r specified, recursively store a directory.\n",
2099 "pwd", TRUE
, "print your remote working directory",
2101 " Print the current remote working directory for your SFTP session.\n",
2105 "quit", TRUE
, "bye", NULL
,
2109 "reget", TRUE
, "continue downloading files",
2110 " [ -r ] [ -- ] <filename> [ <local-filename> ]\n"
2111 " Works exactly like the \"get\" command, but the local file\n"
2112 " must already exist. The download will begin at the end of the\n"
2113 " file. This is for resuming a download that was interrupted.\n"
2114 " If -r specified, resume interrupted \"get -r\".\n",
2118 "ren", TRUE
, "mv", NULL
,
2122 "rename", FALSE
, "mv", NULL
,
2126 "reput", TRUE
, "continue uploading files",
2127 " [ -r ] [ -- ] <filename> [ <remote-filename> ]\n"
2128 " Works exactly like the \"put\" command, but the remote file\n"
2129 " must already exist. The upload will begin at the end of the\n"
2130 " file. This is for resuming an upload that was interrupted.\n"
2131 " If -r specified, resume interrupted \"put -r\".\n",
2135 "rm", TRUE
, "del", NULL
,
2139 "rmdir", TRUE
, "remove directories on the remote server",
2140 " <directory-name> [ <directory-name>... ]\n"
2141 " Removes the directory with the given name on the server.\n"
2142 " The directory will not be removed unless it is empty.\n"
2143 " Wildcards may be used to specify multiple directories.\n",
2148 const struct sftp_cmd_lookup
*lookup_command(char *name
)
2153 j
= sizeof(sftp_lookup
) / sizeof(*sftp_lookup
);
2156 cmp
= strcmp(name
, sftp_lookup
[k
].name
);
2162 return &sftp_lookup
[k
];
2168 static int sftp_cmd_help(struct sftp_command
*cmd
)
2171 if (cmd
->nwords
== 1) {
2173 * Give short help on each command.
2177 for (i
= 0; i
< sizeof(sftp_lookup
) / sizeof(*sftp_lookup
); i
++) {
2179 if (!sftp_lookup
[i
].listed
)
2181 len
= strlen(sftp_lookup
[i
].name
);
2185 for (i
= 0; i
< sizeof(sftp_lookup
) / sizeof(*sftp_lookup
); i
++) {
2186 const struct sftp_cmd_lookup
*lookup
;
2187 if (!sftp_lookup
[i
].listed
)
2189 lookup
= &sftp_lookup
[i
];
2190 printf("%-*s", maxlen
+2, lookup
->name
);
2191 if (lookup
->longhelp
== NULL
)
2192 lookup
= lookup_command(lookup
->shorthelp
);
2193 printf("%s\n", lookup
->shorthelp
);
2197 * Give long help on specific commands.
2199 for (i
= 1; i
< cmd
->nwords
; i
++) {
2200 const struct sftp_cmd_lookup
*lookup
;
2201 lookup
= lookup_command(cmd
->words
[i
]);
2203 printf("help: %s: command not found\n", cmd
->words
[i
]);
2205 printf("%s", lookup
->name
);
2206 if (lookup
->longhelp
== NULL
)
2207 lookup
= lookup_command(lookup
->shorthelp
);
2208 printf("%s", lookup
->longhelp
);
2215 /* ----------------------------------------------------------------------
2216 * Command line reading and parsing.
2218 struct sftp_command
*sftp_getcmd(FILE *fp
, int mode
, int modeflags
)
2221 struct sftp_command
*cmd
;
2225 cmd
= snew(struct sftp_command
);
2235 line
= fgetline(fp
);
2237 line
= ssh_sftp_get_cmdline("psftp> ", back
== NULL
);
2240 if (!line
|| !*line
) {
2241 cmd
->obey
= sftp_cmd_quit
;
2242 if ((mode
== 0) || (modeflags
& 1))
2244 return cmd
; /* eof */
2247 line
[strcspn(line
, "\r\n")] = '\0';
2249 if (modeflags
& 1) {
2250 printf("%s\n", line
);
2254 while (*p
&& (*p
== ' ' || *p
== '\t'))
2259 * Special case: the ! command. This is always parsed as
2260 * exactly two words: one containing the !, and the second
2261 * containing everything else on the line.
2263 cmd
->nwords
= cmd
->wordssize
= 2;
2264 cmd
->words
= sresize(cmd
->words
, cmd
->wordssize
, char *);
2265 cmd
->words
[0] = dupstr("!");
2266 cmd
->words
[1] = dupstr(p
+1);
2267 } else if (*p
== '#') {
2269 * Special case: comment. Entire line is ignored.
2271 cmd
->nwords
= cmd
->wordssize
= 0;
2275 * Parse the command line into words. The syntax is:
2276 * - double quotes are removed, but cause spaces within to be
2277 * treated as non-separating.
2278 * - a double-doublequote pair is a literal double quote, inside
2279 * _or_ outside quotes. Like this:
2281 * firstword "second word" "this has ""quotes"" in" and""this""
2287 * >this has "quotes" in<
2291 /* skip whitespace */
2292 while (*p
&& (*p
== ' ' || *p
== '\t'))
2294 /* terminate loop */
2297 /* mark start of word */
2298 q
= r
= p
; /* q sits at start, r writes word */
2301 if (!quoting
&& (*p
== ' ' || *p
== '\t'))
2302 break; /* reached end of word */
2303 else if (*p
== '"' && p
[1] == '"')
2304 p
+= 2, *r
++ = '"'; /* a literal quote */
2306 p
++, quoting
= !quoting
;
2311 p
++; /* skip over the whitespace */
2313 if (cmd
->nwords
>= cmd
->wordssize
) {
2314 cmd
->wordssize
= cmd
->nwords
+ 16;
2315 cmd
->words
= sresize(cmd
->words
, cmd
->wordssize
, char *);
2317 cmd
->words
[cmd
->nwords
++] = dupstr(q
);
2324 * Now parse the first word and assign a function.
2327 if (cmd
->nwords
== 0)
2328 cmd
->obey
= sftp_cmd_null
;
2330 const struct sftp_cmd_lookup
*lookup
;
2331 lookup
= lookup_command(cmd
->words
[0]);
2333 cmd
->obey
= sftp_cmd_unknown
;
2335 cmd
->obey
= lookup
->obey
;
2341 static int do_sftp_init(void)
2343 struct sftp_packet
*pktin
;
2344 struct sftp_request
*req
, *rreq
;
2347 * Do protocol initialisation.
2351 "Fatal: unable to initialise SFTP: %s\n", fxp_error());
2352 return 1; /* failure */
2356 * Find out where our home directory is.
2358 sftp_register(req
= fxp_realpath_send("."));
2359 rreq
= sftp_find_request(pktin
= sftp_recv());
2360 assert(rreq
== req
);
2361 homedir
= fxp_realpath_recv(pktin
, rreq
);
2365 "Warning: failed to resolve home directory: %s\n",
2367 homedir
= dupstr(".");
2369 printf("Remote working directory is %s\n", homedir
);
2371 pwd
= dupstr(homedir
);
2375 void do_sftp_cleanup()
2379 back
->special(backhandle
, TS_EOF
);
2381 sftp_recvdata(&ch
, 1);
2382 back
->free(backhandle
);
2383 sftp_cleanup_request();
2397 void do_sftp(int mode
, int modeflags
, char *batchfile
)
2407 /* ------------------------------------------------------------------
2408 * Now we're ready to do Real Stuff.
2411 struct sftp_command
*cmd
;
2412 cmd
= sftp_getcmd(NULL
, 0, 0);
2415 ret
= cmd
->obey(cmd
);
2418 for(i
= 0; i
< cmd
->nwords
; i
++)
2419 sfree(cmd
->words
[i
]);
2427 fp
= fopen(batchfile
, "r");
2429 printf("Fatal: unable to open %s\n", batchfile
);
2433 struct sftp_command
*cmd
;
2434 cmd
= sftp_getcmd(fp
, mode
, modeflags
);
2437 ret
= cmd
->obey(cmd
);
2441 if (!(modeflags
& 2))
2450 /* ----------------------------------------------------------------------
2451 * Dirty bits: integration with PuTTY.
2454 static int verbose
= 0;
2457 * Print an error message and perform a fatal exit.
2459 void fatalbox(char *fmt
, ...)
2464 str
= dupvprintf(fmt
, ap
);
2465 str2
= dupcat("Fatal: ", str
, "\n", NULL
);
2468 fputs(str2
, stderr
);
2473 void modalfatalbox(char *fmt
, ...)
2478 str
= dupvprintf(fmt
, ap
);
2479 str2
= dupcat("Fatal: ", str
, "\n", NULL
);
2482 fputs(str2
, stderr
);
2487 void connection_fatal(void *frontend
, char *fmt
, ...)
2492 str
= dupvprintf(fmt
, ap
);
2493 str2
= dupcat("Fatal: ", str
, "\n", NULL
);
2496 fputs(str2
, stderr
);
2502 void ldisc_send(void *handle
, char *buf
, int len
, int interactive
)
2505 * This is only here because of the calls to ldisc_send(NULL,
2506 * 0) in ssh.c. Nothing in PSFTP actually needs to use the
2507 * ldisc as an ldisc. So if we get called with any real data, I
2508 * want to know about it.
2514 * In psftp, all agent requests should be synchronous, so this is a
2515 * never-called stub.
2517 void agent_schedule_callback(void (*callback
)(void *, void *, int),
2518 void *callback_ctx
, void *data
, int len
)
2520 assert(!"We shouldn't be here");
2524 * Receive a block of data from the SSH link. Block until all data
2527 * To do this, we repeatedly call the SSH protocol module, with our
2528 * own trap in from_backend() to catch the data that comes back. We
2529 * do this until we have enough data.
2532 static unsigned char *outptr
; /* where to put the data */
2533 static unsigned outlen
; /* how much data required */
2534 static unsigned char *pending
= NULL
; /* any spare data */
2535 static unsigned pendlen
= 0, pendsize
= 0; /* length and phys. size of buffer */
2536 int from_backend(void *frontend
, int is_stderr
, const char *data
, int datalen
)
2538 unsigned char *p
= (unsigned char *) data
;
2539 unsigned len
= (unsigned) datalen
;
2542 * stderr data is just spouted to local stderr and otherwise
2547 if (fwrite(data
, 1, len
, stderr
) < len
)
2553 * If this is before the real session begins, just return.
2558 if ((outlen
> 0) && (len
> 0)) {
2559 unsigned used
= outlen
;
2562 memcpy(outptr
, p
, used
);
2570 if (pendsize
< pendlen
+ len
) {
2571 pendsize
= pendlen
+ len
+ 4096;
2572 pending
= sresize(pending
, pendsize
, unsigned char);
2574 memcpy(pending
+ pendlen
, p
, len
);
2580 int from_backend_untrusted(void *frontend_handle
, const char *data
, int len
)
2583 * No "untrusted" output should get here (the way the code is
2584 * currently, it's all diverted by FLAG_STDERR).
2586 assert(!"Unexpected call to from_backend_untrusted()");
2587 return 0; /* not reached */
2589 int from_backend_eof(void *frontend
)
2592 * We expect to be the party deciding when to close the
2593 * connection, so if we see EOF before we sent it ourselves, we
2597 connection_fatal(frontend
,
2598 "Received unexpected end-of-file from SFTP server");
2602 int sftp_recvdata(char *buf
, int len
)
2604 outptr
= (unsigned char *) buf
;
2608 * See if the pending-input block contains some of what we
2612 unsigned pendused
= pendlen
;
2613 if (pendused
> outlen
)
2615 memcpy(outptr
, pending
, pendused
);
2616 memmove(pending
, pending
+ pendused
, pendlen
- pendused
);
2619 pendlen
-= pendused
;
2629 while (outlen
> 0) {
2630 if (back
->exitcode(backhandle
) >= 0 || ssh_sftp_loop_iteration() < 0)
2631 return 0; /* doom */
2636 int sftp_senddata(char *buf
, int len
)
2638 back
->send(backhandle
, buf
, len
);
2643 * Short description of parameters.
2645 static void usage(void)
2647 printf("PuTTY Secure File Transfer (SFTP) client\n");
2648 printf("%s\n", ver
);
2649 printf("Usage: psftp [options] [user@]host\n");
2650 printf("Options:\n");
2651 printf(" -V print version information and exit\n");
2652 printf(" -pgpfp print PGP key fingerprints and exit\n");
2653 printf(" -b file use specified batchfile\n");
2654 printf(" -bc output batchfile commands\n");
2655 printf(" -be don't stop batchfile processing if errors\n");
2656 printf(" -v show verbose messages\n");
2657 printf(" -load sessname Load settings from saved session\n");
2658 printf(" -l user connect with specified username\n");
2659 printf(" -P port connect to specified port\n");
2660 printf(" -pw passw login with specified password\n");
2661 printf(" -1 -2 force use of particular SSH protocol version\n");
2662 printf(" -4 -6 force use of IPv4 or IPv6\n");
2663 printf(" -C enable compression\n");
2664 printf(" -i key private key file for authentication\n");
2665 printf(" -noagent disable use of Pageant\n");
2666 printf(" -agent enable use of Pageant\n");
2667 printf(" -batch disable all interactive prompts\n");
2671 static void version(void)
2673 printf("psftp: %s\n", ver
);
2678 * Connect to a host.
2680 static int psftp_connect(char *userhost
, char *user
, int portnumber
)
2682 char *host
, *realhost
;
2686 /* Separate host and username */
2688 host
= strrchr(host
, '@');
2694 printf("psftp: multiple usernames specified; using \"%s\"\n",
2701 * If we haven't loaded session details already (e.g., from -load),
2702 * try looking for a session called "host".
2704 if (!loaded_session
) {
2705 /* Try to load settings for `host' into a temporary config */
2706 Conf
*conf2
= conf_new();
2707 conf_set_str(conf2
, CONF_host
, "");
2708 do_defaults(host
, conf2
);
2709 if (conf_get_str(conf2
, CONF_host
)[0] != '\0') {
2710 /* Settings present and include hostname */
2711 /* Re-load data into the real config. */
2712 do_defaults(host
, conf
);
2714 /* Session doesn't exist or mention a hostname. */
2715 /* Use `host' as a bare hostname. */
2716 conf_set_str(conf
, CONF_host
, host
);
2719 /* Patch in hostname `host' to session details. */
2720 conf_set_str(conf
, CONF_host
, host
);
2724 * Force use of SSH. (If they got the protocol wrong we assume the
2725 * port is useless too.)
2727 if (conf_get_int(conf
, CONF_protocol
) != PROT_SSH
) {
2728 conf_set_int(conf
, CONF_protocol
, PROT_SSH
);
2729 conf_set_int(conf
, CONF_port
, 22);
2733 * If saved session / Default Settings says SSH-1 (`1 only' or `1'),
2734 * then change it to SSH-2, on the grounds that that's more likely to
2735 * work for SFTP. (Can be overridden with `-1' option.)
2736 * But if it says `2 only' or `2', respect which.
2738 if ((conf_get_int(conf
, CONF_sshprot
) & ~1) != 2) /* is it 2 or 3? */
2739 conf_set_int(conf
, CONF_sshprot
, 2);
2742 * Enact command-line overrides.
2744 cmdline_run_saved(conf
);
2747 * Muck about with the hostname in various ways.
2750 char *hostbuf
= dupstr(conf_get_str(conf
, CONF_host
));
2751 char *host
= hostbuf
;
2755 * Trim leading whitespace.
2757 host
+= strspn(host
, " \t");
2760 * See if host is of the form user@host, and separate out
2761 * the username if so.
2763 if (host
[0] != '\0') {
2764 char *atsign
= strrchr(host
, '@');
2767 conf_set_str(conf
, CONF_username
, host
);
2773 * Remove any remaining whitespace.
2778 if (*q
!= ' ' && *q
!= '\t')
2784 conf_set_str(conf
, CONF_host
, hostbuf
);
2789 if (user
!= NULL
&& user
[0] != '\0') {
2790 conf_set_str(conf
, CONF_username
, user
);
2794 conf_set_int(conf
, CONF_port
, portnumber
);
2797 * Disable scary things which shouldn't be enabled for simple
2798 * things like SCP and SFTP: agent forwarding, port forwarding,
2801 conf_set_int(conf
, CONF_x11_forward
, 0);
2802 conf_set_int(conf
, CONF_agentfwd
, 0);
2803 conf_set_int(conf
, CONF_ssh_simple
, TRUE
);
2806 while ((key
= conf_get_str_nthstrkey(conf
, CONF_portfwd
, 0)) != NULL
)
2807 conf_del_str_str(conf
, CONF_portfwd
, key
);
2810 /* Set up subsystem name. */
2811 conf_set_str(conf
, CONF_remote_cmd
, "sftp");
2812 conf_set_int(conf
, CONF_ssh_subsys
, TRUE
);
2813 conf_set_int(conf
, CONF_nopty
, TRUE
);
2816 * Set up fallback option, for SSH-1 servers or servers with the
2817 * sftp subsystem not enabled but the server binary installed
2818 * in the usual place. We only support fallback on Unix
2819 * systems, and we use a kludgy piece of shellery which should
2820 * try to find sftp-server in various places (the obvious
2821 * systemwide spots /usr/lib and /usr/local/lib, and then the
2822 * user's PATH) and finally give up.
2824 * test -x /usr/lib/sftp-server && exec /usr/lib/sftp-server
2825 * test -x /usr/local/lib/sftp-server && exec /usr/local/lib/sftp-server
2828 * the idea being that this will attempt to use either of the
2829 * obvious pathnames and then give up, and when it does give up
2830 * it will print the preferred pathname in the error messages.
2832 conf_set_str(conf
, CONF_remote_cmd2
,
2833 "test -x /usr/lib/sftp-server &&"
2834 " exec /usr/lib/sftp-server\n"
2835 "test -x /usr/local/lib/sftp-server &&"
2836 " exec /usr/local/lib/sftp-server\n"
2837 "exec sftp-server");
2838 conf_set_int(conf
, CONF_ssh_subsys2
, FALSE
);
2840 back
= &ssh_backend
;
2842 err
= back
->init(NULL
, &backhandle
, conf
,
2843 conf_get_str(conf
, CONF_host
),
2844 conf_get_int(conf
, CONF_port
),
2846 conf_get_int(conf
, CONF_tcp_keepalives
));
2848 fprintf(stderr
, "ssh_init: %s\n", err
);
2851 logctx
= log_init(NULL
, conf
);
2852 back
->provide_logctx(backhandle
, logctx
);
2853 console_provide_logctx(logctx
);
2854 while (!back
->sendok(backhandle
)) {
2855 if (back
->exitcode(backhandle
) >= 0)
2857 if (ssh_sftp_loop_iteration() < 0) {
2858 fprintf(stderr
, "ssh_init: error during SSH connection setup\n");
2862 if (verbose
&& realhost
!= NULL
)
2863 printf("Connected to %s\n", realhost
);
2864 if (realhost
!= NULL
)
2869 void cmdline_error(char *p
, ...)
2872 fprintf(stderr
, "psftp: ");
2874 vfprintf(stderr
, p
, ap
);
2876 fprintf(stderr
, "\n try typing \"psftp -h\" for help\n");
2881 * Main program. Parse arguments etc.
2883 int psftp_main(int argc
, char *argv
[])
2887 char *userhost
, *user
;
2890 char *batchfile
= NULL
;
2892 flags
= FLAG_STDERR
| FLAG_INTERACTIVE
2893 #ifdef FLAG_SYNCAGENT
2897 cmdline_tooltype
= TOOLTYPE_FILETRANSFER
;
2900 userhost
= user
= NULL
;
2902 /* Load Default Settings before doing anything else. */
2904 do_defaults(NULL
, conf
);
2905 loaded_session
= FALSE
;
2907 for (i
= 1; i
< argc
; i
++) {
2909 if (argv
[i
][0] != '-') {
2913 userhost
= dupstr(argv
[i
]);
2916 ret
= cmdline_process_param(argv
[i
], i
+1<argc?argv
[i
+1]:NULL
, 1, conf
);
2918 cmdline_error("option \"%s\" requires an argument", argv
[i
]);
2919 } else if (ret
== 2) {
2920 i
++; /* skip next argument */
2921 } else if (ret
== 1) {
2922 /* We have our own verbosity in addition to `flags'. */
2923 if (flags
& FLAG_VERBOSE
)
2925 } else if (strcmp(argv
[i
], "-h") == 0 ||
2926 strcmp(argv
[i
], "-?") == 0 ||
2927 strcmp(argv
[i
], "--help") == 0) {
2929 } else if (strcmp(argv
[i
], "-pgpfp") == 0) {
2932 } else if (strcmp(argv
[i
], "-V") == 0 ||
2933 strcmp(argv
[i
], "--version") == 0) {
2935 } else if (strcmp(argv
[i
], "-batch") == 0) {
2936 console_batch_mode
= 1;
2937 } else if (strcmp(argv
[i
], "-b") == 0 && i
+ 1 < argc
) {
2939 batchfile
= argv
[++i
];
2940 } else if (strcmp(argv
[i
], "-bc") == 0) {
2941 modeflags
= modeflags
| 1;
2942 } else if (strcmp(argv
[i
], "-be") == 0) {
2943 modeflags
= modeflags
| 2;
2944 } else if (strcmp(argv
[i
], "--") == 0) {
2948 cmdline_error("unknown option \"%s\"", argv
[i
]);
2956 * If the loaded session provides a hostname, and a hostname has not
2957 * otherwise been specified, pop it in `userhost' so that
2958 * `psftp -load sessname' is sufficient to start a session.
2960 if (!userhost
&& conf_get_str(conf
, CONF_host
)[0] != '\0') {
2961 userhost
= dupstr(conf_get_str(conf
, CONF_host
));
2965 * If a user@host string has already been provided, connect to
2970 ret
= psftp_connect(userhost
, user
, portnumber
);
2977 printf("psftp: no hostname specified; use \"open host.name\""
2981 do_sftp(mode
, modeflags
, batchfile
);
2983 if (back
!= NULL
&& back
->connected(backhandle
)) {
2985 back
->special(backhandle
, TS_EOF
);
2987 sftp_recvdata(&ch
, 1);
2992 console_provide_logctx(NULL
);