2 * uxsftp.c: the Unix-specific parts of PSFTP and PSCP.
16 #ifndef HAVE_NO_SYS_SELECT_H
17 #include <sys/select.h>
24 * In PSFTP our selects are synchronous, so these functions are
27 int uxsel_input_add(int fd
, int rwx
) { return 0; }
28 void uxsel_input_remove(int id
) { }
30 char *x_get_default(const char *key
)
32 return NULL
; /* this is a stub */
35 void platform_get_x11_auth(char *display
, int *protocol
,
36 unsigned char *data
, int *datalen
)
38 /* Do nothing, therefore no auth. */
42 * Default settings that are specific to PSFTP.
44 char *platform_default_s(const char *name
)
49 int platform_default_i(const char *name
, int def
)
54 FontSpec
platform_default_fontspec(const char *name
)
61 Filename
platform_default_filename(const char *name
)
64 if (!strcmp(name
, "LogFileName"))
65 strcpy(ret
.path
, "putty.log");
71 char *get_ttymode(void *frontend
, const char *mode
) { return NULL
; }
74 * Stubs for the GUI feedback mechanism in Windows PSCP.
76 void gui_update_stats(char *name
, unsigned long size
,
77 int percentage
, unsigned long elapsed
,
78 unsigned long done
, unsigned long eta
,
79 unsigned long ratebs
) {}
80 void gui_send_errcount(int list
, int errs
) {}
81 void gui_send_char(int is_stderr
, int c
) {}
82 void gui_enable(char *arg
) {}
86 * Set local current directory. Returns NULL on success, or else an
87 * error message which must be freed after printing.
89 char *psftp_lcd(char *dir
)
92 return dupprintf("%s: chdir: %s", dir
, strerror(errno
));
98 * Get local current directory. Returns a string which must be
101 char *psftp_getcwd(void)
106 buffer
= snewn(size
, char);
108 ret
= getcwd(buffer
, size
);
111 if (errno
!= ERANGE
) {
113 return dupprintf("[cwd unavailable: %s]", strerror(errno
));
116 * Otherwise, ERANGE was returned, meaning the buffer
120 buffer
= sresize(buffer
, size
, char);
128 RFile
*open_existing_file(char *name
, unsigned long *size
,
129 unsigned long *mtime
, unsigned long *atime
)
134 fd
= open(name
, O_RDONLY
);
141 if (size
|| mtime
|| atime
) {
143 if (fstat(fd
, &statbuf
) < 0) {
144 fprintf(stderr
, "%s: stat: %s\n", name
, strerror(errno
));
145 memset(&statbuf
, 0, sizeof(statbuf
));
149 *size
= statbuf
.st_size
;
152 *mtime
= statbuf
.st_mtime
;
155 *atime
= statbuf
.st_atime
;
161 int read_from_file(RFile
*f
, void *buffer
, int length
)
163 return read(f
->fd
, buffer
, length
);
166 void close_rfile(RFile
*f
)
177 WFile
*open_new_file(char *name
)
182 fd
= open(name
, O_CREAT
| O_TRUNC
| O_WRONLY
, 0666);
188 ret
->name
= dupstr(name
);
193 int write_to_file(WFile
*f
, void *buffer
, int length
)
195 char *p
= (char *)buffer
;
198 /* Keep trying until we've really written as much as we can. */
200 int ret
= write(f
->fd
, p
, length
);
216 void set_file_times(WFile
*f
, unsigned long mtime
, unsigned long atime
)
226 /* Closes and frees the WFile */
227 void close_wfile(WFile
*f
)
234 int file_type(char *name
)
238 if (stat(name
, &statbuf
) < 0) {
240 fprintf(stderr
, "%s: stat: %s\n", name
, strerror(errno
));
241 return FILE_TYPE_NONEXISTENT
;
244 if (S_ISREG(statbuf
.st_mode
))
245 return FILE_TYPE_FILE
;
247 if (S_ISDIR(statbuf
.st_mode
))
248 return FILE_TYPE_DIRECTORY
;
250 return FILE_TYPE_WEIRD
;
257 DirHandle
*open_directory(char *name
)
266 ret
= snew(DirHandle
);
271 char *read_filename(DirHandle
*dir
)
276 de
= readdir(dir
->dir
);
279 } while ((de
->d_name
[0] == '.' &&
280 (de
->d_name
[1] == '\0' ||
281 (de
->d_name
[1] == '.' && de
->d_name
[2] == '\0'))));
283 return dupstr(de
->d_name
);
286 void close_directory(DirHandle
*dir
)
292 int test_wildcard(char *name
, int cmdline
)
296 if (stat(name
, &statbuf
) == 0) {
297 return WCTYPE_FILENAME
;
298 } else if (cmdline
) {
300 * On Unix, we never need to parse wildcards coming from
301 * the command line, because the shell will have expanded
302 * them into a filename list already.
304 return WCTYPE_NONEXISTENT
;
307 int ret
= WCTYPE_NONEXISTENT
;
309 if (glob(name
, GLOB_ERR
, NULL
, &globbed
) == 0) {
310 if (globbed
.gl_pathc
> 0)
311 ret
= WCTYPE_WILDCARD
;
320 * Actually return matching file names for a local wildcard.
322 struct WildcardMatcher
{
326 WildcardMatcher
*begin_wildcard_matching(char *name
) {
327 WildcardMatcher
*ret
= snew(WildcardMatcher
);
329 if (glob(name
, 0, NULL
, &ret
->globbed
) < 0) {
338 char *wildcard_get_filename(WildcardMatcher
*dir
) {
339 if (dir
->i
< dir
->globbed
.gl_pathc
) {
340 return dupstr(dir
->globbed
.gl_pathv
[dir
->i
++]);
344 void finish_wildcard_matching(WildcardMatcher
*dir
) {
345 globfree(&dir
->globbed
);
349 int vet_filename(char *name
)
351 if (strchr(name
, '/'))
354 if (name
[0] == '.' && (!name
[1] || (name
[1] == '.' && !name
[2])))
360 int create_directory(char *name
)
362 return mkdir(name
, 0777) == 0;
365 char *dir_file_cat(char *dir
, char *file
)
367 return dupcat(dir
, "/", file
, NULL
);
371 * Do a select() between all currently active network fds and
374 static int ssh_sftp_do_select(int include_stdin
, int no_fds_ok
)
376 fd_set rset
, wset
, xset
;
377 int i
, fdcount
, fdsize
, *fdlist
;
378 int fd
, fdstate
, rwx
, ret
, maxfd
;
379 long now
= GETTICKCOUNT();
382 fdcount
= fdsize
= 0;
386 /* Count the currently active fds. */
388 for (fd
= first_fd(&fdstate
, &rwx
); fd
>= 0;
389 fd
= next_fd(&fdstate
, &rwx
)) i
++;
391 if (i
< 1 && !no_fds_ok
)
392 return -1; /* doom */
394 /* Expand the fdlist buffer if necessary. */
397 fdlist
= sresize(fdlist
, fdsize
, int);
406 * Add all currently open fds to the select sets, and store
407 * them in fdlist as well.
410 for (fd
= first_fd(&fdstate
, &rwx
); fd
>= 0;
411 fd
= next_fd(&fdstate
, &rwx
)) {
412 fdlist
[fdcount
++] = fd
;
414 FD_SET_MAX(fd
, maxfd
, rset
);
416 FD_SET_MAX(fd
, maxfd
, wset
);
418 FD_SET_MAX(fd
, maxfd
, xset
);
422 FD_SET_MAX(0, maxfd
, rset
);
426 struct timeval tv
, *ptv
;
428 if (run_timers(now
, &next
)) {
429 ticks
= next
- GETTICKCOUNT();
431 ticks
= 1; /* just in case */
432 tv
.tv_sec
= ticks
/ 1000;
433 tv
.tv_usec
= ticks
% 1000 * 1000;
438 ret
= select(maxfd
, &rset
, &wset
, &xset
, ptv
);
442 long newnow
= GETTICKCOUNT();
444 * Check to see whether the system clock has
445 * changed massively during the select.
447 if (newnow
- now
< 0 || newnow
- now
> next
- now
) {
449 * If so, look at the elapsed time in the
450 * select and use it to compute a new
453 long othernow
= now
+ tv
.tv_sec
* 1000 + tv
.tv_usec
/ 1000;
454 /* So we'd like GETTICKCOUNT to have returned othernow,
455 * but instead it return newnow. Hence ... */
456 tickcount_offset
+= othernow
- newnow
;
462 } while (ret
< 0 && errno
!= EINTR
);
470 for (i
= 0; i
< fdcount
; i
++) {
473 * We must process exceptional notifications before
474 * ordinary readability ones, or we may go straight
475 * past the urgent marker.
477 if (FD_ISSET(fd
, &xset
))
478 select_result(fd
, 4);
479 if (FD_ISSET(fd
, &rset
))
480 select_result(fd
, 1);
481 if (FD_ISSET(fd
, &wset
))
482 select_result(fd
, 2);
487 return FD_ISSET(0, &rset
) ?
1 : 0;
491 * Wait for some network data and process it.
493 int ssh_sftp_loop_iteration(void)
495 return ssh_sftp_do_select(FALSE
, FALSE
);
499 * Read a PSFTP command line from stdin.
501 char *ssh_sftp_get_cmdline(char *prompt
, int no_fds_ok
)
504 int buflen
, bufsize
, ret
;
506 fputs(prompt
, stdout
);
510 buflen
= bufsize
= 0;
513 ret
= ssh_sftp_do_select(TRUE
, no_fds_ok
);
515 printf("connection died\n");
516 return NULL
; /* woop woop */
519 if (buflen
>= bufsize
) {
520 bufsize
= buflen
+ 512;
521 buf
= sresize(buf
, bufsize
, char);
523 ret
= read(0, buf
+buflen
, 1);
529 /* eof on stdin; no error, but no answer either */
533 if (buf
[buflen
++] == '\n') {
534 /* we have a full line */
542 * Main program: do platform-specific initialisation and then call
545 int main(int argc
, char *argv
[])
548 return psftp_main(argc
, argv
);