2 * scp.c - Scp (Secure Copy) client for PuTTY.
3 * Joris van Rantwijk, Simon Tatham
5 * This is mainly based on ssh-1.2.26/scp.c by Timo Rinne & Tatu Ylonen.
6 * They, in turn, used stuff from BSD rcp.
8 * (SGT, 2001-09-10: Joris van Rantwijk assures me that although
9 * this file as originally submitted was inspired by, and
10 * _structurally_ based on, ssh-1.2.26's scp.c, there wasn't any
11 * actual code duplicated, so the above comment shouldn't give rise
12 * to licensing issues.)
30 #define PUTTY_DO_GLOBALS
37 #define TIME_POSIX_TO_WIN(t, ft) (*(LONGLONG*)&(ft) = \
38 ((LONGLONG) (t) + (LONGLONG) 11644473600) * (LONGLONG) 10000000)
39 #define TIME_WIN_TO_POSIX(ft, t) ((t) = (unsigned long) \
40 ((*(LONGLONG*)&(ft)) / (LONGLONG) 10000000 - (LONGLONG) 11644473600))
42 /* GUI Adaptation - Sept 2000 */
44 /* This is just a base value from which the main message numbers are
46 #define WM_APP_BASE 0x8000
48 /* These two pass a single character value in wParam. They represent
49 * the visible output from PSCP. */
50 #define WM_STD_OUT_CHAR ( WM_APP_BASE+400 )
51 #define WM_STD_ERR_CHAR ( WM_APP_BASE+401 )
53 /* These pass a transfer status update. WM_STATS_CHAR passes a single
54 * character in wParam, and is called repeatedly to pass the name of
55 * the file, terminated with "\n". WM_STATS_SIZE passes the size of
56 * the file being transferred in wParam. WM_STATS_ELAPSED is called
57 * to pass the elapsed time (in seconds) in wParam, and
58 * WM_STATS_PERCENT passes the percentage of the transfer which is
59 * complete, also in wParam. */
60 #define WM_STATS_CHAR ( WM_APP_BASE+402 )
61 #define WM_STATS_SIZE ( WM_APP_BASE+403 )
62 #define WM_STATS_PERCENT ( WM_APP_BASE+404 )
63 #define WM_STATS_ELAPSED ( WM_APP_BASE+405 )
65 /* These are used at the end of a run to pass an error code in
66 * wParam: zero means success, nonzero means failure. WM_RET_ERR_CNT
67 * is used after a copy, and WM_LS_RET_ERR_CNT is used after a file
69 #define WM_RET_ERR_CNT ( WM_APP_BASE+406 )
70 #define WM_LS_RET_ERR_CNT ( WM_APP_BASE+407 )
72 /* More transfer status update messages. WM_STATS_DONE passes the
73 * number of bytes sent so far in wParam. WM_STATS_ETA passes the
74 * estimated time to completion (in seconds). WM_STATS_RATEBS passes
75 * the average transfer rate (in bytes per second). */
76 #define WM_STATS_DONE ( WM_APP_BASE+408 )
77 #define WM_STATS_ETA ( WM_APP_BASE+409 )
78 #define WM_STATS_RATEBS ( WM_APP_BASE+410 )
81 static int verbose
= 0;
82 static int recursive
= 0;
83 static int preserve
= 0;
84 static int targetshouldbedirectory
= 0;
85 static int statistics
= 1;
86 static int prev_stats_len
= 0;
87 static int scp_unsafe_mode
= 0;
89 /* GUI Adaptation - Sept 2000 */
90 #define NAME_STR_MAX 2048
91 static char statname
[NAME_STR_MAX
+ 1];
92 static unsigned long statsize
= 0;
93 static unsigned long statdone
= 0;
94 static unsigned long stateta
= 0;
95 static unsigned long statratebs
= 0;
96 static int statperct
= 0;
97 static unsigned long statelapsed
= 0;
98 static int gui_mode
= 0;
99 static char *gui_hwnd
= NULL
;
100 static int using_sftp
= 0;
102 static void source(char *src
);
103 static void rsource(char *src
);
104 static void sink(char *targ
, char *src
);
105 /* GUI Adaptation - Sept 2000 */
106 static void tell_char(FILE * stream
, char c
);
107 static void tell_str(FILE * stream
, char *str
);
108 static void tell_user(FILE * stream
, char *fmt
, ...);
109 static void gui_update_stats(char *name
, unsigned long size
,
110 int percentage
, unsigned long elapsed
,
111 unsigned long done
, unsigned long eta
,
112 unsigned long ratebs
);
115 * The maximum amount of queued data we accept before we stop and
116 * wait for the server to process some.
118 #define MAX_SCP_BUFSIZE 16384
120 void ldisc_send(char *buf
, int len
, int interactive
)
123 * This is only here because of the calls to ldisc_send(NULL,
124 * 0) in ssh.c. Nothing in PSCP actually needs to use the ldisc
125 * as an ldisc. So if we get called with any real data, I want
131 /* GUI Adaptation - Sept 2000 */
132 static void send_msg(HWND h
, UINT message
, WPARAM wParam
)
134 while (!PostMessage(h
, message
, wParam
, 0))
138 static void tell_char(FILE * stream
, char c
)
143 unsigned int msg_id
= WM_STD_OUT_CHAR
;
144 if (stream
== stderr
)
145 msg_id
= WM_STD_ERR_CHAR
;
146 send_msg((HWND
) atoi(gui_hwnd
), msg_id
, (WPARAM
) c
);
150 static void tell_str(FILE * stream
, char *str
)
154 for (i
= 0; i
< strlen(str
); ++i
)
155 tell_char(stream
, str
[i
]);
158 static void tell_user(FILE * stream
, char *fmt
, ...)
160 char str
[0x100]; /* Make the size big enough */
163 vsprintf(str
, fmt
, ap
);
166 tell_str(stream
, str
);
169 static void gui_update_stats(char *name
, unsigned long size
,
170 int percentage
, unsigned long elapsed
,
171 unsigned long done
, unsigned long eta
,
172 unsigned long ratebs
)
176 if (strcmp(name
, statname
) != 0) {
177 for (i
= 0; i
< strlen(name
); ++i
)
178 send_msg((HWND
) atoi(gui_hwnd
), WM_STATS_CHAR
,
180 send_msg((HWND
) atoi(gui_hwnd
), WM_STATS_CHAR
, (WPARAM
) '\n');
181 strcpy(statname
, name
);
183 if (statsize
!= size
) {
184 send_msg((HWND
) atoi(gui_hwnd
), WM_STATS_SIZE
, (WPARAM
) size
);
187 if (statdone
!= done
) {
188 send_msg((HWND
) atoi(gui_hwnd
), WM_STATS_DONE
, (WPARAM
) done
);
191 if (stateta
!= eta
) {
192 send_msg((HWND
) atoi(gui_hwnd
), WM_STATS_ETA
, (WPARAM
) eta
);
195 if (statratebs
!= ratebs
) {
196 send_msg((HWND
) atoi(gui_hwnd
), WM_STATS_RATEBS
, (WPARAM
) ratebs
);
199 if (statelapsed
!= elapsed
) {
200 send_msg((HWND
) atoi(gui_hwnd
), WM_STATS_ELAPSED
,
202 statelapsed
= elapsed
;
204 if (statperct
!= percentage
) {
205 send_msg((HWND
) atoi(gui_hwnd
), WM_STATS_PERCENT
,
206 (WPARAM
) percentage
);
207 statperct
= percentage
;
212 * Print an error message and perform a fatal exit.
214 void fatalbox(char *fmt
, ...)
216 char str
[0x100]; /* Make the size big enough */
219 strcpy(str
, "Fatal: ");
220 vsprintf(str
+ strlen(str
), fmt
, ap
);
223 tell_str(stderr
, str
);
227 unsigned int msg_id
= WM_RET_ERR_CNT
;
229 msg_id
= WM_LS_RET_ERR_CNT
;
231 ((HWND
) atoi(gui_hwnd
), msg_id
, (WPARAM
) errs
,
232 0 /*lParam */ ))SleepEx(1000, TRUE
);
237 void modalfatalbox(char *fmt
, ...)
239 char str
[0x100]; /* Make the size big enough */
242 strcpy(str
, "Fatal: ");
243 vsprintf(str
+ strlen(str
), fmt
, ap
);
246 tell_str(stderr
, str
);
250 unsigned int msg_id
= WM_RET_ERR_CNT
;
252 msg_id
= WM_LS_RET_ERR_CNT
;
254 ((HWND
) atoi(gui_hwnd
), msg_id
, (WPARAM
) errs
,
255 0 /*lParam */ ))SleepEx(1000, TRUE
);
260 void connection_fatal(char *fmt
, ...)
262 char str
[0x100]; /* Make the size big enough */
265 strcpy(str
, "Fatal: ");
266 vsprintf(str
+ strlen(str
), fmt
, ap
);
269 tell_str(stderr
, str
);
273 unsigned int msg_id
= WM_RET_ERR_CNT
;
275 msg_id
= WM_LS_RET_ERR_CNT
;
277 ((HWND
) atoi(gui_hwnd
), msg_id
, (WPARAM
) errs
,
278 0 /*lParam */ ))SleepEx(1000, TRUE
);
285 * Be told what socket we're supposed to be using.
287 static SOCKET scp_ssh_socket
;
288 char *do_select(SOCKET skt
, int startup
)
291 scp_ssh_socket
= skt
;
293 scp_ssh_socket
= INVALID_SOCKET
;
296 extern int select_result(WPARAM
, LPARAM
);
299 * Receive a block of data from the SSH link. Block until all data
302 * To do this, we repeatedly call the SSH protocol module, with our
303 * own trap in from_backend() to catch the data that comes back. We
304 * do this until we have enough data.
307 static unsigned char *outptr
; /* where to put the data */
308 static unsigned outlen
; /* how much data required */
309 static unsigned char *pending
= NULL
; /* any spare data */
310 static unsigned pendlen
= 0, pendsize
= 0; /* length and phys. size of buffer */
311 int from_backend(void *frontend
, int is_stderr
, char *data
, int datalen
)
313 unsigned char *p
= (unsigned char *) data
;
314 unsigned len
= (unsigned) datalen
;
319 * stderr data is just spouted to local stderr and otherwise
323 fwrite(data
, 1, len
, stderr
);
328 * If this is before the real session begins, just return.
334 unsigned used
= outlen
;
337 memcpy(outptr
, p
, used
);
345 if (pendsize
< pendlen
+ len
) {
346 pendsize
= pendlen
+ len
+ 4096;
347 pending
= (pending ?
srealloc(pending
, pendsize
) :
350 fatalbox("Out of memory");
352 memcpy(pending
+ pendlen
, p
, len
);
358 static int scp_process_network_event(void)
363 FD_SET(scp_ssh_socket
, &readfds
);
364 if (select(1, &readfds
, NULL
, NULL
, NULL
) < 0)
366 select_result((WPARAM
) scp_ssh_socket
, (LPARAM
) FD_READ
);
369 static int ssh_scp_recv(unsigned char *buf
, int len
)
375 * See if the pending-input block contains some of what we
379 unsigned pendused
= pendlen
;
380 if (pendused
> outlen
)
382 memcpy(outptr
, pending
, pendused
);
383 memmove(pending
, pending
+ pendused
, pendlen
- pendused
);
397 if (!scp_process_network_event())
405 * Loop through the ssh connection and authentication process.
407 static void ssh_scp_init(void)
409 if (scp_ssh_socket
== INVALID_SOCKET
)
411 while (!back
->sendok(backhandle
)) {
414 FD_SET(scp_ssh_socket
, &readfds
);
415 if (select(1, &readfds
, NULL
, NULL
, NULL
) < 0)
417 select_result((WPARAM
) scp_ssh_socket
, (LPARAM
) FD_READ
);
419 using_sftp
= !ssh_fallback_cmd(backhandle
);
423 * Print an error message and exit after closing the SSH link.
425 static void bump(char *fmt
, ...)
427 char str
[0x100]; /* Make the size big enough */
430 strcpy(str
, "Fatal: ");
431 vsprintf(str
+ strlen(str
), fmt
, ap
);
434 tell_str(stderr
, str
);
437 if (back
!= NULL
&& back
->socket(backhandle
) != NULL
) {
439 back
->special(backhandle
, TS_EOF
);
440 ssh_scp_recv(&ch
, 1);
444 unsigned int msg_id
= WM_RET_ERR_CNT
;
446 msg_id
= WM_LS_RET_ERR_CNT
;
448 ((HWND
) atoi(gui_hwnd
), msg_id
, (WPARAM
) errs
,
449 0 /*lParam */ ))SleepEx(1000, TRUE
);
456 * Open an SSH connection to user@host and execute cmd.
458 static void do_cmd(char *host
, char *user
, char *cmd
)
460 char *err
, *realhost
;
463 if (host
== NULL
|| host
[0] == '\0')
464 bump("Empty host name");
466 /* Try to load settings for this host */
467 do_defaults(host
, &cfg
);
468 if (cfg
.host
[0] == '\0') {
469 /* No settings for this host; use defaults */
470 do_defaults(NULL
, &cfg
);
471 strncpy(cfg
.host
, host
, sizeof(cfg
.host
) - 1);
472 cfg
.host
[sizeof(cfg
.host
) - 1] = '\0';
476 * Force use of SSH. (If they got the protocol wrong we assume the
477 * port is useless too.)
479 if (cfg
.protocol
!= PROT_SSH
) {
480 cfg
.protocol
= PROT_SSH
;
485 * Enact command-line overrides.
490 * Trim leading whitespace off the hostname if it's there.
493 int space
= strspn(cfg
.host
, " \t");
494 memmove(cfg
.host
, cfg
.host
+space
, 1+strlen(cfg
.host
)-space
);
497 /* See if host is of the form user@host */
498 if (cfg
.host
[0] != '\0') {
499 char *atsign
= strchr(cfg
.host
, '@');
500 /* Make sure we're not overflowing the user field */
502 if (atsign
- cfg
.host
< sizeof cfg
.username
) {
503 strncpy(cfg
.username
, cfg
.host
, atsign
- cfg
.host
);
504 cfg
.username
[atsign
- cfg
.host
] = '\0';
506 memmove(cfg
.host
, atsign
+ 1, 1 + strlen(atsign
+ 1));
511 * Trim a colon suffix off the hostname if it's there.
513 cfg
.host
[strcspn(cfg
.host
, ":")] = '\0';
516 * Remove any remaining whitespace from the hostname.
520 while (cfg
.host
[p2
] != '\0') {
521 if (cfg
.host
[p2
] != ' ' && cfg
.host
[p2
] != '\t') {
522 cfg
.host
[p1
] = cfg
.host
[p2
];
531 if (user
!= NULL
&& user
[0] != '\0') {
532 strncpy(cfg
.username
, user
, sizeof(cfg
.username
) - 1);
533 cfg
.username
[sizeof(cfg
.username
) - 1] = '\0';
534 } else if (cfg
.username
[0] == '\0') {
536 if (GetUserName(user
, &namelen
) == FALSE
)
537 bump("Empty user name");
538 user
= smalloc(namelen
* sizeof(char));
539 GetUserName(user
, &namelen
);
541 tell_user(stderr
, "Guessing user name: %s", user
);
542 strncpy(cfg
.username
, user
, sizeof(cfg
.username
) - 1);
543 cfg
.username
[sizeof(cfg
.username
) - 1] = '\0';
548 * Disable scary things which shouldn't be enabled for simple
549 * things like SCP and SFTP: agent forwarding, port forwarding,
554 cfg
.portfwd
[0] = cfg
.portfwd
[1] = '\0';
557 * Attempt to start the SFTP subsystem as a first choice,
558 * falling back to the provided scp command if that fails.
560 strcpy(cfg
.remote_cmd
, "sftp");
561 cfg
.ssh_subsys
= TRUE
;
562 cfg
.remote_cmd_ptr2
= cmd
;
563 cfg
.ssh_subsys2
= FALSE
;
568 err
= back
->init(NULL
, &backhandle
, cfg
.host
, cfg
.port
, &realhost
, 0);
570 bump("ssh_init: %s", err
);
572 if (verbose
&& realhost
!= NULL
)
573 tell_user(stderr
, "Connected to %s\n", realhost
);
578 * Update statistic information about current file.
580 static void print_stats(char *name
, unsigned long size
, unsigned long done
,
581 time_t start
, time_t now
)
590 elap
= (unsigned long) difftime(now
, start
);
593 ratebs
= (float) done
/ elap
;
595 ratebs
= (float) done
;
600 eta
= (unsigned long) ((size
- done
) / ratebs
);
601 sprintf(etastr
, "%02ld:%02ld:%02ld",
602 eta
/ 3600, (eta
% 3600) / 60, eta
% 60);
604 pct
= (int) (100 * (done
* 1.0 / size
));
607 /* GUI Adaptation - Sept 2000 */
608 gui_update_stats(name
, size
, pct
, elap
, done
, eta
,
609 (unsigned long) ratebs
);
611 len
= printf("\r%-25.25s | %10ld kB | %5.1f kB/s | ETA: %8s | %3d%%",
612 name
, done
/ 1024, ratebs
/ 1024.0, etastr
, pct
);
613 if (len
< prev_stats_len
)
614 printf("%*s", prev_stats_len
- len
, "");
615 prev_stats_len
= len
;
623 * Find a colon in str and return a pointer to the colon.
624 * This is used to separate hostname from filename.
626 static char *colon(char *str
)
628 /* We ignore a leading colon, since the hostname cannot be
629 empty. We also ignore a colon as second character because
630 of filenames like f:myfile.txt. */
631 if (str
[0] == '\0' || str
[0] == ':' || str
[1] == ':')
633 while (*str
!= '\0' && *str
!= ':' && *str
!= '/' && *str
!= '\\')
642 * Return a pointer to the portion of str that comes after the last
643 * slash (or backslash or colon, if `local' is TRUE).
645 static char *stripslashes(char *str
, int local
)
650 p
= strchr(str
, ':');
654 p
= strrchr(str
, '/');
658 p
= strrchr(str
, '\\');
666 * Determine whether a string is entirely composed of dots.
668 static int is_dots(char *str
)
670 return str
[strspn(str
, ".")] == '\0';
674 * Wait for a response from the other side.
675 * Return 0 if ok, -1 if error.
677 static int response(void)
679 char ch
, resp
, rbuf
[2048];
682 if (ssh_scp_recv(&resp
, 1) <= 0)
683 bump("Lost connection");
693 case 2: /* fatal error */
695 if (ssh_scp_recv(&ch
, 1) <= 0)
696 bump("Protocol error: Lost connection");
698 } while (p
< sizeof(rbuf
) && ch
!= '\n');
701 tell_user(stderr
, "%s\n", rbuf
);
709 int sftp_recvdata(char *buf
, int len
)
711 return ssh_scp_recv(buf
, len
);
713 int sftp_senddata(char *buf
, int len
)
715 back
->send(backhandle
, (unsigned char *) buf
, len
);
719 /* ----------------------------------------------------------------------
720 * sftp-based replacement for the hacky `pscp -ls'.
722 static int sftp_ls_compare(const void *av
, const void *bv
)
724 const struct fxp_name
*a
= (const struct fxp_name
*) av
;
725 const struct fxp_name
*b
= (const struct fxp_name
*) bv
;
726 return strcmp(a
->filename
, b
->filename
);
728 void scp_sftp_listdir(char *dirname
)
730 struct fxp_handle
*dirh
;
731 struct fxp_names
*names
;
732 struct fxp_name
*ournames
;
733 int nnames
, namesize
;
737 tell_user(stderr
, "unable to initialise SFTP: %s", fxp_error());
742 printf("Listing directory %s\n", dirname
);
744 dirh
= fxp_opendir(dirname
);
746 printf("Unable to open %s: %s\n", dirname
, fxp_error());
748 nnames
= namesize
= 0;
753 names
= fxp_readdir(dirh
);
755 if (fxp_error_type() == SSH_FX_EOF
)
757 printf("Reading directory %s: %s\n", dirname
, fxp_error());
760 if (names
->nnames
== 0) {
761 fxp_free_names(names
);
765 if (nnames
+ names
->nnames
>= namesize
) {
766 namesize
+= names
->nnames
+ 128;
768 srealloc(ournames
, namesize
* sizeof(*ournames
));
771 for (i
= 0; i
< names
->nnames
; i
++)
772 ournames
[nnames
++] = names
->names
[i
];
774 names
->nnames
= 0; /* prevent free_names */
775 fxp_free_names(names
);
780 * Now we have our filenames. Sort them by actual file
781 * name, and then output the longname parts.
783 qsort(ournames
, nnames
, sizeof(*ournames
), sftp_ls_compare
);
788 for (i
= 0; i
< nnames
; i
++)
789 printf("%s\n", ournames
[i
].longname
);
793 /* ----------------------------------------------------------------------
794 * Helper routines that contain the actual SCP protocol elements,
795 * implemented both as SCP1 and SFTP.
798 static struct scp_sftp_dirstack
{
799 struct scp_sftp_dirstack
*next
;
800 struct fxp_name
*names
;
801 int namepos
, namelen
;
804 int matched_something
; /* wildcard match set was non-empty */
805 } *scp_sftp_dirstack_head
;
806 static char *scp_sftp_remotepath
, *scp_sftp_currentname
;
807 static char *scp_sftp_wildcard
;
808 static int scp_sftp_targetisdir
, scp_sftp_donethistarget
;
809 static int scp_sftp_preserve
, scp_sftp_recursive
;
810 static unsigned long scp_sftp_mtime
, scp_sftp_atime
;
811 static int scp_has_times
;
812 static struct fxp_handle
*scp_sftp_filehandle
;
813 static uint64 scp_sftp_fileoffset
;
815 void scp_source_setup(char *target
, int shouldbedir
)
819 * Find out whether the target filespec is in fact a
822 struct fxp_attrs attrs
;
825 tell_user(stderr
, "unable to initialise SFTP: %s", fxp_error());
830 if (!fxp_stat(target
, &attrs
) ||
831 !(attrs
.flags
& SSH_FILEXFER_ATTR_PERMISSIONS
))
832 scp_sftp_targetisdir
= 0;
834 scp_sftp_targetisdir
= (attrs
.permissions
& 0040000) != 0;
836 if (shouldbedir
&& !scp_sftp_targetisdir
) {
837 bump("pscp: remote filespec %s: not a directory\n", target
);
840 scp_sftp_remotepath
= dupstr(target
);
848 int scp_send_errmsg(char *str
)
851 /* do nothing; we never need to send our errors to the server */
853 back
->send(backhandle
, "\001", 1);/* scp protocol error prefix */
854 back
->send(backhandle
, str
, strlen(str
));
856 return 0; /* can't fail */
859 int scp_send_filetimes(unsigned long mtime
, unsigned long atime
)
862 scp_sftp_mtime
= mtime
;
863 scp_sftp_atime
= atime
;
868 sprintf(buf
, "T%lu 0 %lu 0\n", mtime
, atime
);
869 back
->send(backhandle
, buf
, strlen(buf
));
874 int scp_send_filename(char *name
, unsigned long size
, int modes
)
878 if (scp_sftp_targetisdir
) {
879 fullname
= dupcat(scp_sftp_remotepath
, "/", name
, NULL
);
881 fullname
= dupstr(scp_sftp_remotepath
);
883 scp_sftp_filehandle
=
884 fxp_open(fullname
, SSH_FXF_WRITE
| SSH_FXF_CREAT
| SSH_FXF_TRUNC
);
885 if (!scp_sftp_filehandle
) {
886 tell_user(stderr
, "pscp: unable to open %s: %s",
887 fullname
, fxp_error());
891 scp_sftp_fileoffset
= uint64_make(0, 0);
896 sprintf(buf
, "C%04o %lu ", modes
, size
);
897 back
->send(backhandle
, buf
, strlen(buf
));
898 back
->send(backhandle
, name
, strlen(name
));
899 back
->send(backhandle
, "\n", 1);
904 int scp_send_filedata(char *data
, int len
)
907 if (!scp_sftp_filehandle
) {
910 if (!fxp_write(scp_sftp_filehandle
, data
, scp_sftp_fileoffset
, len
)) {
911 tell_user(stderr
, "error while writing: %s\n", fxp_error());
915 scp_sftp_fileoffset
= uint64_add32(scp_sftp_fileoffset
, len
);
918 int bufsize
= back
->send(backhandle
, data
, len
);
921 * If the network transfer is backing up - that is, the
922 * remote site is not accepting data as fast as we can
923 * produce it - then we must loop on network events until
924 * we have space in the buffer again.
926 while (bufsize
> MAX_SCP_BUFSIZE
) {
927 if (!scp_process_network_event())
929 bufsize
= back
->sendbuffer(backhandle
);
936 int scp_send_finish(void)
939 struct fxp_attrs attrs
;
940 if (!scp_sftp_filehandle
) {
944 attrs
.flags
= SSH_FILEXFER_ATTR_ACMODTIME
;
945 attrs
.atime
= scp_sftp_atime
;
946 attrs
.mtime
= scp_sftp_mtime
;
947 if (!fxp_fsetstat(scp_sftp_filehandle
, attrs
)) {
948 tell_user(stderr
, "unable to set file times: %s\n", fxp_error());
952 fxp_close(scp_sftp_filehandle
);
956 back
->send(backhandle
, "", 1);
961 char *scp_save_remotepath(void)
964 return scp_sftp_remotepath
;
969 void scp_restore_remotepath(char *data
)
972 scp_sftp_remotepath
= data
;
975 int scp_send_dirname(char *name
, int modes
)
980 struct fxp_attrs attrs
;
981 if (scp_sftp_targetisdir
) {
982 fullname
= dupcat(scp_sftp_remotepath
, "/", name
, NULL
);
984 fullname
= dupstr(scp_sftp_remotepath
);
988 * We don't worry about whether we managed to create the
989 * directory, because if it exists already it's OK just to
990 * use it. Instead, we will stat it afterwards, and if it
991 * exists and is a directory we will assume we were either
992 * successful or it didn't matter.
994 if (!fxp_mkdir(fullname
))
997 err
= "server reported no error";
998 if (!fxp_stat(fullname
, &attrs
) ||
999 !(attrs
.flags
& SSH_FILEXFER_ATTR_PERMISSIONS
) ||
1000 !(attrs
.permissions
& 0040000)) {
1001 tell_user(stderr
, "unable to create directory %s: %s",
1007 scp_sftp_remotepath
= fullname
;
1012 sprintf(buf
, "D%04o 0 ", modes
);
1013 back
->send(backhandle
, buf
, strlen(buf
));
1014 back
->send(backhandle
, name
, strlen(name
));
1015 back
->send(backhandle
, "\n", 1);
1020 int scp_send_enddir(void)
1023 sfree(scp_sftp_remotepath
);
1026 back
->send(backhandle
, "E\n", 2);
1032 * Yes, I know; I have an scp_sink_setup _and_ an scp_sink_init.
1033 * That's bad. The difference is that scp_sink_setup is called once
1034 * right at the start, whereas scp_sink_init is called to
1035 * initialise every level of recursion in the protocol.
1037 int scp_sink_setup(char *source
, int preserve
, int recursive
)
1043 tell_user(stderr
, "unable to initialise SFTP: %s", fxp_error());
1048 * It's possible that the source string we've been given
1049 * contains a wildcard. If so, we must split the directory
1050 * away from the wildcard itself (throwing an error if any
1051 * wildcardness comes before the final slash) and arrange
1052 * things so that a dirstack entry will be set up.
1054 newsource
= smalloc(1+strlen(source
));
1055 if (!wc_unescape(newsource
, source
)) {
1056 /* Yes, here we go; it's a wildcard. Bah. */
1057 char *dupsource
, *lastpart
, *dirpart
, *wildcard
;
1058 dupsource
= dupstr(source
);
1059 lastpart
= stripslashes(dupsource
, 0);
1060 wildcard
= dupstr(lastpart
);
1062 if (*dupsource
&& dupsource
[1]) {
1064 * The remains of dupsource are at least two
1065 * characters long, meaning the pathname wasn't
1066 * empty or just `/'. Hence, we remove the trailing
1069 lastpart
[-1] = '\0';
1070 } else if (!*dupsource
) {
1072 * The remains of dupsource are _empty_ - the whole
1073 * pathname was a wildcard. Hence we need to
1074 * replace it with ".".
1077 dupsource
= dupstr(".");
1081 * Now we have separated our string into dupsource (the
1082 * directory part) and wildcard. Both of these will
1083 * need freeing at some point. Next step is to remove
1084 * wildcard escapes from the directory part, throwing
1085 * an error if it contains a real wildcard.
1087 dirpart
= smalloc(1+strlen(dupsource
));
1088 if (!wc_unescape(dirpart
, dupsource
)) {
1089 tell_user(stderr
, "%s: multiple-level wildcards unsupported",
1099 * Now we have dirpart (unescaped, ie a valid remote
1100 * path), and wildcard (a wildcard). This will be
1101 * sufficient to arrange a dirstack entry.
1103 scp_sftp_remotepath
= dirpart
;
1104 scp_sftp_wildcard
= wildcard
;
1107 scp_sftp_remotepath
= newsource
;
1108 scp_sftp_wildcard
= NULL
;
1110 scp_sftp_preserve
= preserve
;
1111 scp_sftp_recursive
= recursive
;
1112 scp_sftp_donethistarget
= 0;
1113 scp_sftp_dirstack_head
= NULL
;
1118 int scp_sink_init(void)
1121 back
->send(backhandle
, "", 1);
1126 #define SCP_SINK_FILE 1
1127 #define SCP_SINK_DIR 2
1128 #define SCP_SINK_ENDDIR 3
1129 #define SCP_SINK_RETRY 4 /* not an action; just try again */
1130 struct scp_sink_action
{
1131 int action
; /* FILE, DIR, ENDDIR */
1132 char *buf
; /* will need freeing after use */
1133 char *name
; /* filename or dirname (not ENDDIR) */
1134 int mode
; /* access mode (not ENDDIR) */
1135 unsigned long size
; /* file size (not ENDDIR) */
1136 int settime
; /* 1 if atime and mtime are filled */
1137 unsigned long atime
, mtime
; /* access times for the file */
1140 int scp_get_sink_action(struct scp_sink_action
*act
)
1144 int must_free_fname
;
1145 struct fxp_attrs attrs
;
1148 if (!scp_sftp_dirstack_head
) {
1149 if (!scp_sftp_donethistarget
) {
1151 * Simple case: we are only dealing with one file.
1153 fname
= scp_sftp_remotepath
;
1154 must_free_fname
= 0;
1155 scp_sftp_donethistarget
= 1;
1158 * Even simpler case: one file _which we've done_.
1159 * Return 1 (finished).
1165 * We're now in the middle of stepping through a list
1166 * of names returned from fxp_readdir(); so let's carry
1169 struct scp_sftp_dirstack
*head
= scp_sftp_dirstack_head
;
1170 while (head
->namepos
< head
->namelen
&&
1171 (is_dots(head
->names
[head
->namepos
].filename
) ||
1173 !wc_match(head
->wildcard
,
1174 head
->names
[head
->namepos
].filename
))))
1175 head
->namepos
++; /* skip . and .. */
1176 if (head
->namepos
< head
->namelen
) {
1177 head
->matched_something
= 1;
1178 fname
= dupcat(head
->dirpath
, "/",
1179 head
->names
[head
->namepos
++].filename
,
1181 must_free_fname
= 1;
1184 * We've come to the end of the list; pop it off
1185 * the stack and return an ENDDIR action (or RETRY
1186 * if this was a wildcard match).
1188 if (head
->wildcard
) {
1189 act
->action
= SCP_SINK_RETRY
;
1190 if (!head
->matched_something
) {
1191 tell_user(stderr
, "pscp: wildcard '%s' matched "
1192 "no files", head
->wildcard
);
1195 sfree(head
->wildcard
);
1198 act
->action
= SCP_SINK_ENDDIR
;
1201 sfree(head
->dirpath
);
1203 scp_sftp_dirstack_head
= head
->next
;
1211 * Now we have a filename. Stat it, and see if it's a file
1214 ret
= fxp_stat(fname
, &attrs
);
1215 if (!ret
|| !(attrs
.flags
& SSH_FILEXFER_ATTR_PERMISSIONS
)) {
1216 tell_user(stderr
, "unable to identify %s: %s", fname
,
1217 ret ?
"file type not supplied" : fxp_error());
1222 if (attrs
.permissions
& 0040000) {
1223 struct scp_sftp_dirstack
*newitem
;
1224 struct fxp_handle
*dirhandle
;
1225 int nnames
, namesize
;
1226 struct fxp_name
*ournames
;
1227 struct fxp_names
*names
;
1230 * It's a directory. If we're not in recursive mode,
1231 * this merits a complaint (which is fatal if the name
1232 * was specified directly, but not if it was matched by
1235 * We skip this complaint completely if
1236 * scp_sftp_wildcard is set, because that's an
1237 * indication that we're not actually supposed to
1238 * _recursively_ transfer the dir, just scan it for
1239 * things matching the wildcard.
1241 if (!scp_sftp_recursive
&& !scp_sftp_wildcard
) {
1242 tell_user(stderr
, "pscp: %s: is a directory", fname
);
1244 if (must_free_fname
) sfree(fname
);
1245 if (scp_sftp_dirstack_head
) {
1246 act
->action
= SCP_SINK_RETRY
;
1254 * Otherwise, the fun begins. We must fxp_opendir() the
1255 * directory, slurp the filenames into memory, return
1256 * SCP_SINK_DIR (unless this is a wildcard match), and
1257 * set targetisdir. The next time we're called, we will
1258 * run through the list of filenames one by one,
1259 * matching them against a wildcard if present.
1261 * If targetisdir is _already_ set (meaning we're
1262 * already in the middle of going through another such
1263 * list), we must push the other (target,namelist) pair
1266 dirhandle
= fxp_opendir(fname
);
1268 tell_user(stderr
, "scp: unable to open directory %s: %s",
1269 fname
, fxp_error());
1270 if (must_free_fname
) sfree(fname
);
1274 nnames
= namesize
= 0;
1279 names
= fxp_readdir(dirhandle
);
1280 if (names
== NULL
) {
1281 if (fxp_error_type() == SSH_FX_EOF
)
1283 tell_user(stderr
, "scp: reading directory %s: %s\n",
1284 fname
, fxp_error());
1285 if (must_free_fname
) sfree(fname
);
1290 if (names
->nnames
== 0) {
1291 fxp_free_names(names
);
1294 if (nnames
+ names
->nnames
>= namesize
) {
1295 namesize
+= names
->nnames
+ 128;
1297 srealloc(ournames
, namesize
* sizeof(*ournames
));
1299 for (i
= 0; i
< names
->nnames
; i
++)
1300 ournames
[nnames
++] = names
->names
[i
];
1301 names
->nnames
= 0; /* prevent free_names */
1302 fxp_free_names(names
);
1304 fxp_close(dirhandle
);
1306 newitem
= smalloc(sizeof(struct scp_sftp_dirstack
));
1307 newitem
->next
= scp_sftp_dirstack_head
;
1308 newitem
->names
= ournames
;
1309 newitem
->namepos
= 0;
1310 newitem
->namelen
= nnames
;
1311 if (must_free_fname
)
1312 newitem
->dirpath
= fname
;
1314 newitem
->dirpath
= dupstr(fname
);
1315 if (scp_sftp_wildcard
) {
1316 newitem
->wildcard
= scp_sftp_wildcard
;
1317 newitem
->matched_something
= 0;
1318 scp_sftp_wildcard
= NULL
;
1320 newitem
->wildcard
= NULL
;
1322 scp_sftp_dirstack_head
= newitem
;
1324 if (newitem
->wildcard
) {
1325 act
->action
= SCP_SINK_RETRY
;
1327 act
->action
= SCP_SINK_DIR
;
1328 act
->buf
= dupstr(stripslashes(fname
, 0));
1329 act
->name
= act
->buf
;
1330 act
->size
= 0; /* duhh, it's a directory */
1331 act
->mode
= 07777 & attrs
.permissions
;
1332 if (scp_sftp_preserve
&&
1333 (attrs
.flags
& SSH_FILEXFER_ATTR_ACMODTIME
)) {
1334 act
->atime
= attrs
.atime
;
1335 act
->mtime
= attrs
.mtime
;
1344 * It's a file. Return SCP_SINK_FILE.
1346 act
->action
= SCP_SINK_FILE
;
1347 act
->buf
= dupstr(stripslashes(fname
, 0));
1348 act
->name
= act
->buf
;
1349 if (attrs
.flags
& SSH_FILEXFER_ATTR_SIZE
) {
1350 if (uint64_compare(attrs
.size
,
1351 uint64_make(0, ULONG_MAX
)) > 0) {
1352 act
->size
= ULONG_MAX
; /* *boggle* */
1354 act
->size
= attrs
.size
.lo
;
1356 act
->size
= ULONG_MAX
; /* no idea */
1357 act
->mode
= 07777 & attrs
.permissions
;
1358 if (scp_sftp_preserve
&&
1359 (attrs
.flags
& SSH_FILEXFER_ATTR_ACMODTIME
)) {
1360 act
->atime
= attrs
.atime
;
1361 act
->mtime
= attrs
.mtime
;
1365 if (must_free_fname
)
1366 scp_sftp_currentname
= fname
;
1368 scp_sftp_currentname
= dupstr(fname
);
1383 if (ssh_scp_recv(&ch
, 1) <= 0)
1386 bump("Protocol error: Unexpected newline");
1390 if (ssh_scp_recv(&ch
, 1) <= 0)
1391 bump("Lost connection");
1394 act
->buf
= srealloc(act
->buf
, bufsize
);
1397 } while (ch
!= '\n');
1398 act
->buf
[i
- 1] = '\0';
1400 case '\01': /* error */
1401 tell_user(stderr
, "%s\n", act
->buf
);
1403 continue; /* go round again */
1404 case '\02': /* fatal error */
1405 bump("%s", act
->buf
);
1407 back
->send(backhandle
, "", 1);
1408 act
->action
= SCP_SINK_ENDDIR
;
1411 if (sscanf(act
->buf
, "%ld %*d %ld %*d",
1412 &act
->mtime
, &act
->atime
) == 2) {
1414 back
->send(backhandle
, "", 1);
1415 continue; /* go round again */
1417 bump("Protocol error: Illegal time format");
1420 act
->action
= (action
== 'C' ? SCP_SINK_FILE
: SCP_SINK_DIR
);
1423 bump("Protocol error: Expected control record");
1426 * We will go round this loop only once, unless we hit
1433 * If we get here, we must have seen SCP_SINK_FILE or
1436 if (sscanf(act
->buf
, "%o %lu %n", &act
->mode
, &act
->size
, &i
) != 2)
1437 bump("Protocol error: Illegal file descriptor format");
1438 act
->name
= act
->buf
+ i
;
1443 int scp_accept_filexfer(void)
1446 scp_sftp_filehandle
=
1447 fxp_open(scp_sftp_currentname
, SSH_FXF_READ
);
1448 if (!scp_sftp_filehandle
) {
1449 tell_user(stderr
, "pscp: unable to open %s: %s",
1450 scp_sftp_currentname
, fxp_error());
1454 scp_sftp_fileoffset
= uint64_make(0, 0);
1455 sfree(scp_sftp_currentname
);
1458 back
->send(backhandle
, "", 1);
1459 return 0; /* can't fail */
1463 int scp_recv_filedata(char *data
, int len
)
1466 int actuallen
= fxp_read(scp_sftp_filehandle
, data
,
1467 scp_sftp_fileoffset
, len
);
1468 if (actuallen
== -1 && fxp_error_type() != SSH_FX_EOF
) {
1469 tell_user(stderr
, "pscp: error while reading: %s", fxp_error());
1476 scp_sftp_fileoffset
= uint64_add32(scp_sftp_fileoffset
, actuallen
);
1480 return ssh_scp_recv(data
, len
);
1484 int scp_finish_filerecv(void)
1487 fxp_close(scp_sftp_filehandle
);
1490 back
->send(backhandle
, "", 1);
1495 /* ----------------------------------------------------------------------
1496 * Send an error message to the other side and to the screen.
1497 * Increment error counter.
1499 static void run_err(const char *fmt
, ...)
1505 strcpy(str
, "scp: ");
1506 vsprintf(str
+ strlen(str
), fmt
, ap
);
1508 scp_send_errmsg(str
);
1509 tell_user(stderr
, "%s", str
);
1514 * Execute the source part of the SCP protocol.
1516 static void source(char *src
)
1523 unsigned long stat_bytes
;
1524 time_t stat_starttime
, stat_lasttime
;
1526 attr
= GetFileAttributes(src
);
1527 if (attr
== (DWORD
) - 1) {
1528 run_err("%s: No such file or directory", src
);
1532 if ((attr
& FILE_ATTRIBUTE_DIRECTORY
) != 0) {
1535 * Avoid . and .. directories.
1538 p
= strrchr(src
, '/');
1540 p
= strrchr(src
, '\\');
1545 if (!strcmp(p
, ".") || !strcmp(p
, ".."))
1546 /* skip . and .. */ ;
1550 run_err("%s: not a regular file", src
);
1555 if ((last
= strrchr(src
, '/')) == NULL
)
1559 if (strrchr(last
, '\\') != NULL
)
1560 last
= strrchr(last
, '\\') + 1;
1561 if (last
== src
&& strchr(src
, ':') != NULL
)
1562 last
= strchr(src
, ':') + 1;
1564 f
= CreateFile(src
, GENERIC_READ
, FILE_SHARE_READ
, NULL
,
1565 OPEN_EXISTING
, 0, 0);
1566 if (f
== INVALID_HANDLE_VALUE
) {
1567 run_err("%s: Cannot open file", src
);
1572 FILETIME actime
, wrtime
;
1573 unsigned long mtime
, atime
;
1574 GetFileTime(f
, NULL
, &actime
, &wrtime
);
1575 TIME_WIN_TO_POSIX(actime
, atime
);
1576 TIME_WIN_TO_POSIX(wrtime
, mtime
);
1577 if (scp_send_filetimes(mtime
, atime
))
1581 size
= GetFileSize(f
, NULL
);
1583 tell_user(stderr
, "Sending file %s, size=%lu", last
, size
);
1584 if (scp_send_filename(last
, size
, 0644))
1588 stat_starttime
= time(NULL
);
1591 for (i
= 0; i
< size
; i
+= 4096) {
1592 char transbuf
[4096];
1597 if (!ReadFile(f
, transbuf
, k
, &j
, NULL
) || j
!= k
) {
1600 bump("%s: Read error", src
);
1602 if (scp_send_filedata(transbuf
, k
))
1603 bump("%s: Network error occurred", src
);
1607 if (time(NULL
) != stat_lasttime
|| i
+ k
== size
) {
1608 stat_lasttime
= time(NULL
);
1609 print_stats(last
, size
, stat_bytes
,
1610 stat_starttime
, stat_lasttime
);
1617 (void) scp_send_finish();
1621 * Recursively send the contents of a directory.
1623 static void rsource(char *src
)
1625 char *last
, *findfile
;
1628 WIN32_FIND_DATA fdat
;
1631 if ((last
= strrchr(src
, '/')) == NULL
)
1635 if (strrchr(last
, '\\') != NULL
)
1636 last
= strrchr(last
, '\\') + 1;
1637 if (last
== src
&& strchr(src
, ':') != NULL
)
1638 last
= strchr(src
, ':') + 1;
1640 /* maybe send filetime */
1642 save_target
= scp_save_remotepath();
1645 tell_user(stderr
, "Entering directory: %s", last
);
1646 if (scp_send_dirname(last
, 0755))
1649 findfile
= dupcat(src
, "/*", NULL
);
1650 dir
= FindFirstFile(findfile
, &fdat
);
1651 ok
= (dir
!= INVALID_HANDLE_VALUE
);
1653 if (strcmp(fdat
.cFileName
, ".") == 0 ||
1654 strcmp(fdat
.cFileName
, "..") == 0) {
1655 /* ignore . and .. */
1657 char *foundfile
= dupcat(src
, "/", fdat
.cFileName
, NULL
);
1661 ok
= FindNextFile(dir
, &fdat
);
1666 (void) scp_send_enddir();
1668 scp_restore_remotepath(save_target
);
1672 * Execute the sink part of the SCP protocol.
1674 static void sink(char *targ
, char *src
)
1681 unsigned long received
;
1683 unsigned long stat_bytes
;
1684 time_t stat_starttime
, stat_lasttime
;
1687 attr
= GetFileAttributes(targ
);
1688 if (attr
!= (DWORD
) - 1 && (attr
& FILE_ATTRIBUTE_DIRECTORY
) != 0)
1691 if (targetshouldbedirectory
&& !targisdir
)
1692 bump("%s: Not a directory", targ
);
1696 struct scp_sink_action act
;
1697 if (scp_get_sink_action(&act
))
1700 if (act
.action
== SCP_SINK_ENDDIR
)
1703 if (act
.action
== SCP_SINK_RETRY
)
1708 * Prevent the remote side from maliciously writing to
1709 * files outside the target area by sending a filename
1710 * containing `../'. In fact, it shouldn't be sending
1711 * filenames with any slashes or colons in at all; so
1712 * we'll find the last slash, backslash or colon in the
1713 * filename and use only the part after that. (And
1716 * In addition, we also ensure here that if we're
1717 * copying a single file and the target is a directory
1718 * (common usage: `pscp host:filename .') the remote
1719 * can't send us a _different_ file name. We can
1720 * distinguish this case because `src' will be non-NULL
1721 * and the last component of that will fail to match
1722 * (the last component of) the name sent.
1724 * Well, not always; if `src' is a wildcard, we do
1725 * expect to get back filenames that don't correspond
1726 * exactly to it. Ideally in this case, we would like
1727 * to ensure that the returned filename actually
1728 * matches the wildcard pattern - but one of SCP's
1729 * protocol infelicities is that wildcard matching is
1730 * done at the server end _by the server's rules_ and
1731 * so in general this is infeasible. Hence, we only
1732 * accept filenames that don't correspond to `src' if
1733 * unsafe mode is enabled or we are using SFTP (which
1734 * resolves remote wildcards on the client side and can
1737 char *striptarget
, *stripsrc
;
1739 striptarget
= stripslashes(act
.name
, 1);
1740 if (striptarget
!= act
.name
) {
1741 tell_user(stderr
, "warning: remote host sent a compound"
1742 " pathname '%s'", act
.name
);
1743 tell_user(stderr
, " renaming local file to '%s'",
1748 * Also check to see if the target filename is '.' or
1749 * '..', or indeed '...' and so on because Windows
1750 * appears to interpret those like '..'.
1752 if (is_dots(striptarget
)) {
1753 bump("security violation: remote host attempted to write to"
1754 " a '.' or '..' path!");
1758 stripsrc
= stripslashes(src
, 1);
1759 if (strcmp(striptarget
, stripsrc
) &&
1760 !using_sftp
&& !scp_unsafe_mode
) {
1761 tell_user(stderr
, "warning: remote host tried to write "
1762 "to a file called '%s'", striptarget
);
1763 tell_user(stderr
, " when we requested a file "
1764 "called '%s'.", stripsrc
);
1765 tell_user(stderr
, " If this is a wildcard, "
1766 "consider upgrading to SSH 2 or using");
1767 tell_user(stderr
, " the '-unsafe' option. Renaming"
1768 " of this file has been disallowed.");
1769 /* Override the name the server provided with our own. */
1770 striptarget
= stripsrc
;
1774 if (targ
[0] != '\0')
1775 destfname
= dupcat(targ
, "\\", striptarget
, NULL
);
1777 destfname
= dupstr(striptarget
);
1780 * In this branch of the if, the target area is a
1781 * single file with an explicitly specified name in any
1782 * case, so there's no danger.
1784 destfname
= dupstr(targ
);
1786 attr
= GetFileAttributes(destfname
);
1787 exists
= (attr
!= (DWORD
) - 1);
1789 if (act
.action
== SCP_SINK_DIR
) {
1790 if (exists
&& (attr
& FILE_ATTRIBUTE_DIRECTORY
) == 0) {
1791 run_err("%s: Not a directory", destfname
);
1795 if (!CreateDirectory(destfname
, NULL
)) {
1796 run_err("%s: Cannot create directory", destfname
);
1800 sink(destfname
, NULL
);
1801 /* can we set the timestamp for directories ? */
1805 f
= CreateFile(destfname
, GENERIC_WRITE
, 0, NULL
,
1806 CREATE_ALWAYS
, FILE_ATTRIBUTE_NORMAL
, 0);
1807 if (f
== INVALID_HANDLE_VALUE
) {
1808 run_err("%s: Cannot create file", destfname
);
1812 if (scp_accept_filexfer())
1816 stat_starttime
= time(NULL
);
1818 stat_name
= stripslashes(destfname
, 1);
1821 while (received
< act
.size
) {
1822 char transbuf
[4096];
1823 DWORD blksize
, read
, written
;
1825 if (blksize
> act
.size
- received
)
1826 blksize
= act
.size
- received
;
1827 read
= scp_recv_filedata(transbuf
, blksize
);
1829 bump("Lost connection");
1832 if (!WriteFile(f
, transbuf
, read
, &written
, NULL
) ||
1835 /* FIXME: in sftp we can actually abort the transfer */
1837 printf("\r%-25.25s | %50s\n",
1839 "Write error.. waiting for end of file");
1844 if (time(NULL
) > stat_lasttime
||
1845 received
+ read
== act
.size
) {
1846 stat_lasttime
= time(NULL
);
1847 print_stats(stat_name
, act
.size
, stat_bytes
,
1848 stat_starttime
, stat_lasttime
);
1854 FILETIME actime
, wrtime
;
1855 TIME_POSIX_TO_WIN(act
.atime
, actime
);
1856 TIME_POSIX_TO_WIN(act
.mtime
, wrtime
);
1857 SetFileTime(f
, NULL
, &actime
, &wrtime
);
1862 run_err("%s: Write error", destfname
);
1865 (void) scp_finish_filerecv();
1872 * We will copy local files to a remote server.
1874 static void toremote(int argc
, char *argv
[])
1876 char *src
, *targ
, *host
, *user
;
1880 targ
= argv
[argc
- 1];
1882 /* Separate host from filename */
1886 bump("targ == NULL in toremote()");
1890 /* Substitute "." for emtpy target */
1892 /* Separate host and username */
1894 host
= strrchr(host
, '@');
1905 /* Find out if the source filespec covers multiple files
1906 if so, we should set the targetshouldbedirectory flag */
1908 WIN32_FIND_DATA fdat
;
1909 if (colon(argv
[0]) != NULL
)
1910 bump("%s: Remote to remote not supported", argv
[0]);
1911 fh
= FindFirstFile(argv
[0], &fdat
);
1912 if (fh
== INVALID_HANDLE_VALUE
)
1913 bump("%s: No such file or directory\n", argv
[0]);
1914 if (FindNextFile(fh
, &fdat
))
1915 targetshouldbedirectory
= 1;
1919 cmd
= smalloc(strlen(targ
) + 100);
1920 sprintf(cmd
, "scp%s%s%s%s -t %s",
1921 verbose ?
" -v" : "",
1922 recursive ?
" -r" : "",
1923 preserve ?
" -p" : "",
1924 targetshouldbedirectory ?
" -d" : "", targ
);
1925 do_cmd(host
, user
, cmd
);
1928 scp_source_setup(targ
, targetshouldbedirectory
);
1930 for (i
= 0; i
< argc
- 1; i
++) {
1931 char *srcpath
, *last
;
1933 WIN32_FIND_DATA fdat
;
1935 if (colon(src
) != NULL
) {
1936 tell_user(stderr
, "%s: Remote to remote not supported\n", src
);
1942 * Trim off the last pathname component of `src', to
1943 * provide the base pathname which will be prepended to
1944 * filenames returned from Find{First,Next}File.
1946 srcpath
= dupstr(src
);
1947 last
= stripslashes(srcpath
, 1);
1950 dir
= FindFirstFile(src
, &fdat
);
1951 if (dir
== INVALID_HANDLE_VALUE
) {
1952 run_err("%s: No such file or directory", src
);
1958 * Ensure that . and .. are never matched by wildcards,
1959 * but only by deliberate action.
1961 if (!strcmp(fdat
.cFileName
, ".") ||
1962 !strcmp(fdat
.cFileName
, "..")) {
1964 * Find*File has returned a special dir. We require
1965 * that _either_ `src' ends in a backslash followed
1966 * by that string, _or_ `src' is precisely that
1969 int len
= strlen(src
), dlen
= strlen(fdat
.cFileName
);
1970 if (len
== dlen
&& !strcmp(src
, fdat
.cFileName
)) {
1972 } else if (len
> dlen
+ 1 && src
[len
- dlen
- 1] == '\\' &&
1973 !strcmp(src
+ len
- dlen
, fdat
.cFileName
)) {
1976 continue; /* ignore this one */
1978 filename
= dupcat(srcpath
, fdat
.cFileName
, NULL
);
1981 } while (FindNextFile(dir
, &fdat
));
1988 * We will copy files from a remote server to the local machine.
1990 static void tolocal(int argc
, char *argv
[])
1992 char *src
, *targ
, *host
, *user
;
1996 bump("More than one remote source not supported");
2001 /* Separate host from filename */
2005 bump("Local to local copy not supported");
2009 /* Substitute "." for empty filename */
2011 /* Separate username and hostname */
2013 host
= strrchr(host
, '@');
2023 cmd
= smalloc(strlen(src
) + 100);
2024 sprintf(cmd
, "scp%s%s%s%s -f %s",
2025 verbose ?
" -v" : "",
2026 recursive ?
" -r" : "",
2027 preserve ?
" -p" : "",
2028 targetshouldbedirectory ?
" -d" : "", src
);
2029 do_cmd(host
, user
, cmd
);
2032 if (scp_sink_setup(src
, preserve
, recursive
))
2039 * We will issue a list command to get a remote directory.
2041 static void get_dir_list(int argc
, char *argv
[])
2043 char *src
, *host
, *user
;
2049 /* Separate host from filename */
2053 bump("Local to local copy not supported");
2057 /* Substitute "." for empty filename */
2059 /* Separate username and hostname */
2061 host
= strrchr(host
, '@');
2071 cmd
= smalloc(4 * strlen(src
) + 100);
2072 strcpy(cmd
, "ls -la '");
2073 p
= cmd
+ strlen(cmd
);
2074 for (q
= src
; *q
; q
++) {
2087 do_cmd(host
, user
, cmd
);
2091 scp_sftp_listdir(src
);
2093 while (ssh_scp_recv(&c
, 1) > 0)
2094 tell_char(stdout
, c
);
2099 * Initialize the Win$ock driver.
2101 static void init_winsock(void)
2106 winsock_ver
= MAKEWORD(1, 1);
2107 if (WSAStartup(winsock_ver
, &wsadata
))
2108 bump("Unable to initialise WinSock");
2109 if (LOBYTE(wsadata
.wVersion
) != 1 || HIBYTE(wsadata
.wVersion
) != 1)
2110 bump("WinSock version is incompatible with 1.1");
2114 * Short description of parameters.
2116 static void usage(void)
2118 printf("PuTTY Secure Copy client\n");
2119 printf("%s\n", ver
);
2120 printf("Usage: pscp [options] [user@]host:source target\n");
2122 (" pscp [options] source [source...] [user@]host:target\n");
2123 printf(" pscp [options] -ls user@host:filespec\n");
2124 printf("Options:\n");
2125 printf(" -p preserve file attributes\n");
2126 printf(" -q quiet, don't show statistics\n");
2127 printf(" -r copy directories recursively\n");
2128 printf(" -v show verbose messages\n");
2129 printf(" -load sessname Load settings from saved session\n");
2130 printf(" -P port connect to specified port\n");
2131 printf(" -l user connect with specified username\n");
2132 printf(" -pw passw login with specified password\n");
2133 printf(" -1 -2 force use of particular SSH protocol version\n");
2134 printf(" -C enable compression\n");
2135 printf(" -i key private key file for authentication\n");
2136 printf(" -batch disable all interactive prompts\n");
2137 printf(" -unsafe allow server-side wildcards (DANGEROUS)\n");
2140 * -gui is an internal option, used by GUI front ends to get
2141 * pscp to pass progress reports back to them. It's not an
2142 * ordinary user-accessible option, so it shouldn't be part of
2143 * the command-line help. The only people who need to know
2144 * about it are programmers, and they can read the source.
2147 (" -gui hWnd GUI mode with the windows handle for receiving messages\n");
2152 void cmdline_error(char *p
, ...)
2155 fprintf(stderr
, "pscp: ");
2157 vfprintf(stderr
, p
, ap
);
2159 fputc('\n', stderr
);
2164 * Main program (no, really?)
2166 int main(int argc
, char *argv
[])
2170 default_protocol
= PROT_TELNET
;
2172 flags
= FLAG_STDERR
;
2173 cmdline_tooltype
= TOOLTYPE_FILETRANSFER
;
2174 ssh_get_line
= &console_get_line
;
2178 for (i
= 1; i
< argc
; i
++) {
2180 if (argv
[i
][0] != '-')
2182 ret
= cmdline_process_param(argv
[i
], i
+1<argc?argv
[i
+1]:NULL
, 1);
2184 cmdline_error("option \"%s\" requires an argument", argv
[i
]);
2185 } else if (ret
== 2) {
2186 i
++; /* skip next argument */
2187 } else if (ret
== 1) {
2188 /* We have our own verbosity in addition to `flags'. */
2189 if (flags
& FLAG_VERBOSE
)
2191 } else if (strcmp(argv
[i
], "-r") == 0) {
2193 } else if (strcmp(argv
[i
], "-p") == 0) {
2195 } else if (strcmp(argv
[i
], "-q") == 0) {
2197 } else if (strcmp(argv
[i
], "-h") == 0 || strcmp(argv
[i
], "-?") == 0) {
2199 } else if (strcmp(argv
[i
], "-gui") == 0 && i
+ 1 < argc
) {
2200 gui_hwnd
= argv
[++i
];
2202 console_batch_mode
= TRUE
;
2203 } else if (strcmp(argv
[i
], "-ls") == 0) {
2205 } else if (strcmp(argv
[i
], "-batch") == 0) {
2206 console_batch_mode
= 1;
2207 } else if (strcmp(argv
[i
], "-unsafe") == 0) {
2208 scp_unsafe_mode
= 1;
2209 } else if (strcmp(argv
[i
], "--") == 0) {
2222 get_dir_list(argc
, argv
);
2229 targetshouldbedirectory
= 1;
2231 if (colon(argv
[argc
- 1]) != NULL
)
2232 toremote(argc
, argv
);
2234 tolocal(argc
, argv
);
2237 if (back
!= NULL
&& back
->socket(backhandle
) != NULL
) {
2239 back
->special(backhandle
, TS_EOF
);
2240 ssh_scp_recv(&ch
, 1);
2245 /* GUI Adaptation - August 2000 */
2247 unsigned int msg_id
= WM_RET_ERR_CNT
;
2249 msg_id
= WM_LS_RET_ERR_CNT
;
2251 ((HWND
) atoi(gui_hwnd
), msg_id
, (WPARAM
) errs
,
2252 0 /*lParam */ ))SleepEx(1000, TRUE
);
2254 return (errs
== 0 ?
0 : 1);