2 * uxsftp.c: the Unix-specific parts of PSFTP and PSCP.
21 * In PSFTP our selects are synchronous, so these functions are
24 int uxsel_input_add(int fd
, int rwx
) { return 0; }
25 void uxsel_input_remove(int id
) { }
27 char *x_get_default(const char *key
)
29 return NULL
; /* this is a stub */
32 void platform_get_x11_auth(char *display
, int *protocol
,
33 unsigned char *data
, int *datalen
)
35 /* Do nothing, therefore no auth. */
39 * Default settings that are specific to PSFTP.
41 char *platform_default_s(const char *name
)
46 int platform_default_i(const char *name
, int def
)
51 FontSpec
platform_default_fontspec(const char *name
)
58 Filename
platform_default_filename(const char *name
)
61 if (!strcmp(name
, "LogFileName"))
62 strcpy(ret
.path
, "putty.log");
69 * Stubs for the GUI feedback mechanism in Windows PSCP.
71 void gui_update_stats(char *name
, unsigned long size
,
72 int percentage
, unsigned long elapsed
,
73 unsigned long done
, unsigned long eta
,
74 unsigned long ratebs
) {}
75 void gui_send_errcount(int list
, int errs
) {}
76 void gui_send_char(int is_stderr
, int c
) {}
77 void gui_enable(char *arg
) {}
81 * Set local current directory. Returns NULL on success, or else an
82 * error message which must be freed after printing.
84 char *psftp_lcd(char *dir
)
87 return dupprintf("%s: chdir: %s", dir
, strerror(errno
));
93 * Get local current directory. Returns a string which must be
96 char *psftp_getcwd(void)
101 buffer
= snewn(size
, char);
103 ret
= getcwd(buffer
, size
);
106 if (errno
!= ERANGE
) {
108 return dupprintf("[cwd unavailable: %s]", strerror(errno
));
111 * Otherwise, ERANGE was returned, meaning the buffer
115 buffer
= sresize(buffer
, size
, char);
123 RFile
*open_existing_file(char *name
, unsigned long *size
,
124 unsigned long *mtime
, unsigned long *atime
)
129 fd
= open(name
, O_RDONLY
);
136 if (size
|| mtime
|| atime
) {
138 if (fstat(fd
, &statbuf
) < 0) {
139 fprintf(stderr
, "%s: stat: %s\n", name
, strerror(errno
));
140 memset(&statbuf
, 0, sizeof(statbuf
));
144 *size
= statbuf
.st_size
;
147 *mtime
= statbuf
.st_mtime
;
150 *atime
= statbuf
.st_atime
;
156 int read_from_file(RFile
*f
, void *buffer
, int length
)
158 return read(f
->fd
, buffer
, length
);
161 void close_rfile(RFile
*f
)
172 WFile
*open_new_file(char *name
)
177 fd
= open(name
, O_CREAT
| O_TRUNC
| O_WRONLY
, 0666);
183 ret
->name
= dupstr(name
);
188 int write_to_file(WFile
*f
, void *buffer
, int length
)
190 char *p
= (char *)buffer
;
193 /* Keep trying until we've really written as much as we can. */
195 int ret
= write(f
->fd
, p
, length
);
211 void set_file_times(WFile
*f
, unsigned long mtime
, unsigned long atime
)
221 /* Closes and frees the WFile */
222 void close_wfile(WFile
*f
)
229 int file_type(char *name
)
233 if (stat(name
, &statbuf
) < 0) {
235 fprintf(stderr
, "%s: stat: %s\n", name
, strerror(errno
));
236 return FILE_TYPE_NONEXISTENT
;
239 if (S_ISREG(statbuf
.st_mode
))
240 return FILE_TYPE_FILE
;
242 if (S_ISDIR(statbuf
.st_mode
))
243 return FILE_TYPE_DIRECTORY
;
245 return FILE_TYPE_WEIRD
;
252 DirHandle
*open_directory(char *name
)
261 ret
= snew(DirHandle
);
266 char *read_filename(DirHandle
*dir
)
271 de
= readdir(dir
->dir
);
274 } while ((de
->d_name
[0] == '.' &&
275 (de
->d_name
[1] == '\0' ||
276 (de
->d_name
[1] == '.' && de
->d_name
[2] == '\0'))));
278 return dupstr(de
->d_name
);
281 void close_directory(DirHandle
*dir
)
287 int test_wildcard(char *name
, int cmdline
)
291 if (stat(name
, &statbuf
) == 0) {
292 return WCTYPE_FILENAME
;
293 } else if (cmdline
) {
295 * On Unix, we never need to parse wildcards coming from
296 * the command line, because the shell will have expanded
297 * them into a filename list already.
299 return WCTYPE_NONEXISTENT
;
302 int ret
= WCTYPE_NONEXISTENT
;
304 if (glob(name
, GLOB_ERR
, NULL
, &globbed
) == 0) {
305 if (globbed
.gl_pathc
> 0)
306 ret
= WCTYPE_WILDCARD
;
315 * Actually return matching file names for a local wildcard.
317 struct WildcardMatcher
{
321 WildcardMatcher
*begin_wildcard_matching(char *name
) {
322 WildcardMatcher
*ret
= snew(WildcardMatcher
);
324 if (glob(name
, 0, NULL
, &ret
->globbed
) < 0) {
333 char *wildcard_get_filename(WildcardMatcher
*dir
) {
334 if (dir
->i
< dir
->globbed
.gl_pathc
) {
335 return dupstr(dir
->globbed
.gl_pathv
[dir
->i
++]);
339 void finish_wildcard_matching(WildcardMatcher
*dir
) {
340 globfree(&dir
->globbed
);
344 int vet_filename(char *name
)
346 if (strchr(name
, '/'))
349 if (name
[0] == '.' && (!name
[1] || (name
[1] == '.' && !name
[2])))
355 int create_directory(char *name
)
357 return mkdir(name
, 0777) == 0;
360 char *dir_file_cat(char *dir
, char *file
)
362 return dupcat(dir
, "/", file
, NULL
);
366 * Do a select() between all currently active network fds and
369 static int ssh_sftp_do_select(int include_stdin
, int no_fds_ok
)
371 fd_set rset
, wset
, xset
;
372 int i
, fdcount
, fdsize
, *fdlist
;
373 int fd
, fdstate
, rwx
, ret
, maxfd
;
374 long now
= GETTICKCOUNT();
377 fdcount
= fdsize
= 0;
381 /* Count the currently active fds. */
383 for (fd
= first_fd(&fdstate
, &rwx
); fd
>= 0;
384 fd
= next_fd(&fdstate
, &rwx
)) i
++;
386 if (i
< 1 && !no_fds_ok
)
387 return -1; /* doom */
389 /* Expand the fdlist buffer if necessary. */
392 fdlist
= sresize(fdlist
, fdsize
, int);
401 * Add all currently open fds to the select sets, and store
402 * them in fdlist as well.
405 for (fd
= first_fd(&fdstate
, &rwx
); fd
>= 0;
406 fd
= next_fd(&fdstate
, &rwx
)) {
407 fdlist
[fdcount
++] = fd
;
409 FD_SET_MAX(fd
, maxfd
, rset
);
411 FD_SET_MAX(fd
, maxfd
, wset
);
413 FD_SET_MAX(fd
, maxfd
, xset
);
417 FD_SET_MAX(0, maxfd
, rset
);
421 struct timeval tv
, *ptv
;
423 if (run_timers(now
, &next
)) {
424 ticks
= next
- GETTICKCOUNT();
426 ticks
= 1; /* just in case */
427 tv
.tv_sec
= ticks
/ 1000;
428 tv
.tv_usec
= ticks
% 1000 * 1000;
433 ret
= select(maxfd
, &rset
, &wset
, &xset
, ptv
);
437 now
= GETTICKCOUNT();
438 } while (ret
< 0 && errno
!= EINTR
);
446 for (i
= 0; i
< fdcount
; i
++) {
449 * We must process exceptional notifications before
450 * ordinary readability ones, or we may go straight
451 * past the urgent marker.
453 if (FD_ISSET(fd
, &xset
))
454 select_result(fd
, 4);
455 if (FD_ISSET(fd
, &rset
))
456 select_result(fd
, 1);
457 if (FD_ISSET(fd
, &wset
))
458 select_result(fd
, 2);
463 return FD_ISSET(0, &rset
) ?
1 : 0;
467 * Wait for some network data and process it.
469 int ssh_sftp_loop_iteration(void)
471 return ssh_sftp_do_select(FALSE
, FALSE
);
475 * Read a PSFTP command line from stdin.
477 char *ssh_sftp_get_cmdline(char *prompt
, int no_fds_ok
)
480 int buflen
, bufsize
, ret
;
482 fputs(prompt
, stdout
);
486 buflen
= bufsize
= 0;
489 ret
= ssh_sftp_do_select(TRUE
, no_fds_ok
);
491 printf("connection died\n");
492 return NULL
; /* woop woop */
495 if (buflen
>= bufsize
) {
496 bufsize
= buflen
+ 512;
497 buf
= sresize(buf
, bufsize
, char);
499 ret
= read(0, buf
+buflen
, 1);
505 /* eof on stdin; no error, but no answer either */
509 if (buf
[buflen
++] == '\n') {
510 /* we have a full line */
518 * Main program: do platform-specific initialisation and then call
521 int main(int argc
, char *argv
[])
524 return psftp_main(argc
, argv
);