2 * uxsftp.c: the Unix-specific parts of PSFTP and PSCP.
16 #ifndef HAVE_NO_SYS_SELECT_H
17 #include <sys/select.h>
26 * In PSFTP our selects are synchronous, so these functions are
29 int uxsel_input_add(int fd
, int rwx
) { return 0; }
30 void uxsel_input_remove(int id
) { }
32 char *x_get_default(const char *key
)
34 return NULL
; /* this is a stub */
37 void platform_get_x11_auth(struct X11Display
*display
, Conf
*conf
)
39 /* Do nothing, therefore no auth. */
41 const int platform_uses_x11_unix_by_default
= TRUE
;
44 * Default settings that are specific to PSFTP.
46 char *platform_default_s(const char *name
)
51 int platform_default_i(const char *name
, int def
)
56 FontSpec
*platform_default_fontspec(const char *name
)
58 return fontspec_new("");
61 Filename
*platform_default_filename(const char *name
)
63 if (!strcmp(name
, "LogFileName"))
64 return filename_from_str("putty.log");
66 return filename_from_str("");
69 char *get_ttymode(void *frontend
, const char *mode
) { return NULL
; }
71 int get_userpass_input(prompts_t
*p
, unsigned char *in
, int inlen
)
74 ret
= cmdline_get_passwd_input(p
, in
, inlen
);
76 ret
= console_get_userpass_input(p
, in
, inlen
);
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
, uint64
*size
,
124 unsigned long *mtime
, unsigned long *atime
,
130 fd
= open(name
, O_RDONLY
);
137 if (size
|| mtime
|| atime
|| perms
) {
139 if (fstat(fd
, &statbuf
) < 0) {
140 fprintf(stderr
, "%s: stat: %s\n", name
, strerror(errno
));
141 memset(&statbuf
, 0, sizeof(statbuf
));
145 *size
= uint64_make((statbuf
.st_size
>> 16) >> 16,
149 *mtime
= statbuf
.st_mtime
;
152 *atime
= statbuf
.st_atime
;
155 *perms
= statbuf
.st_mode
;
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
, long perms
)
182 fd
= open(name
, O_CREAT
| O_TRUNC
| O_WRONLY
,
183 (mode_t
)(perms ? perms
: 0666));
189 ret
->name
= dupstr(name
);
195 WFile
*open_existing_wfile(char *name
, uint64
*size
)
200 fd
= open(name
, O_APPEND
| O_WRONLY
);
206 ret
->name
= dupstr(name
);
210 if (fstat(fd
, &statbuf
) < 0) {
211 fprintf(stderr
, "%s: stat: %s\n", name
, strerror(errno
));
212 memset(&statbuf
, 0, sizeof(statbuf
));
215 *size
= uint64_make((statbuf
.st_size
>> 16) >> 16,
222 int write_to_file(WFile
*f
, void *buffer
, int length
)
224 char *p
= (char *)buffer
;
227 /* Keep trying until we've really written as much as we can. */
229 int ret
= write(f
->fd
, p
, length
);
245 void set_file_times(WFile
*f
, unsigned long mtime
, unsigned long atime
)
255 /* Closes and frees the WFile */
256 void close_wfile(WFile
*f
)
263 /* Seek offset bytes through file, from whence, where whence is
264 FROM_START, FROM_CURRENT, or FROM_END */
265 int seek_file(WFile
*f
, uint64 offset
, int whence
)
270 fileofft
= (((off_t
) offset
.hi
<< 16) << 16) + offset
.lo
;
274 lseek_whence
= SEEK_SET
;
277 lseek_whence
= SEEK_CUR
;
280 lseek_whence
= SEEK_END
;
286 return lseek(f
->fd
, fileofft
, lseek_whence
) >= 0 ?
0 : -1;
289 uint64
get_file_posn(WFile
*f
)
294 fileofft
= lseek(f
->fd
, (off_t
) 0, SEEK_CUR
);
296 ret
= uint64_make((fileofft
>> 16) >> 16, fileofft
);
301 int file_type(char *name
)
305 if (stat(name
, &statbuf
) < 0) {
307 fprintf(stderr
, "%s: stat: %s\n", name
, strerror(errno
));
308 return FILE_TYPE_NONEXISTENT
;
311 if (S_ISREG(statbuf
.st_mode
))
312 return FILE_TYPE_FILE
;
314 if (S_ISDIR(statbuf
.st_mode
))
315 return FILE_TYPE_DIRECTORY
;
317 return FILE_TYPE_WEIRD
;
324 DirHandle
*open_directory(char *name
)
333 ret
= snew(DirHandle
);
338 char *read_filename(DirHandle
*dir
)
343 de
= readdir(dir
->dir
);
346 } while ((de
->d_name
[0] == '.' &&
347 (de
->d_name
[1] == '\0' ||
348 (de
->d_name
[1] == '.' && de
->d_name
[2] == '\0'))));
350 return dupstr(de
->d_name
);
353 void close_directory(DirHandle
*dir
)
359 int test_wildcard(char *name
, int cmdline
)
363 if (stat(name
, &statbuf
) == 0) {
364 return WCTYPE_FILENAME
;
365 } else if (cmdline
) {
367 * On Unix, we never need to parse wildcards coming from
368 * the command line, because the shell will have expanded
369 * them into a filename list already.
371 return WCTYPE_NONEXISTENT
;
374 int ret
= WCTYPE_NONEXISTENT
;
376 if (glob(name
, GLOB_ERR
, NULL
, &globbed
) == 0) {
377 if (globbed
.gl_pathc
> 0)
378 ret
= WCTYPE_WILDCARD
;
387 * Actually return matching file names for a local wildcard.
389 struct WildcardMatcher
{
393 WildcardMatcher
*begin_wildcard_matching(char *name
) {
394 WildcardMatcher
*ret
= snew(WildcardMatcher
);
396 if (glob(name
, 0, NULL
, &ret
->globbed
) < 0) {
405 char *wildcard_get_filename(WildcardMatcher
*dir
) {
406 if (dir
->i
< dir
->globbed
.gl_pathc
) {
407 return dupstr(dir
->globbed
.gl_pathv
[dir
->i
++]);
411 void finish_wildcard_matching(WildcardMatcher
*dir
) {
412 globfree(&dir
->globbed
);
416 int vet_filename(char *name
)
418 if (strchr(name
, '/'))
421 if (name
[0] == '.' && (!name
[1] || (name
[1] == '.' && !name
[2])))
427 int create_directory(char *name
)
429 return mkdir(name
, 0777) == 0;
432 char *dir_file_cat(char *dir
, char *file
)
434 return dupcat(dir
, "/", file
, NULL
);
438 * Do a select() between all currently active network fds and
441 static int ssh_sftp_do_select(int include_stdin
, int no_fds_ok
)
443 fd_set rset
, wset
, xset
;
444 int i
, fdcount
, fdsize
, *fdlist
;
445 int fd
, fdstate
, rwx
, ret
, maxfd
;
446 long now
= GETTICKCOUNT();
449 fdcount
= fdsize
= 0;
453 /* Count the currently active fds. */
455 for (fd
= first_fd(&fdstate
, &rwx
); fd
>= 0;
456 fd
= next_fd(&fdstate
, &rwx
)) i
++;
458 if (i
< 1 && !no_fds_ok
)
459 return -1; /* doom */
461 /* Expand the fdlist buffer if necessary. */
464 fdlist
= sresize(fdlist
, fdsize
, int);
473 * Add all currently open fds to the select sets, and store
474 * them in fdlist as well.
477 for (fd
= first_fd(&fdstate
, &rwx
); fd
>= 0;
478 fd
= next_fd(&fdstate
, &rwx
)) {
479 fdlist
[fdcount
++] = fd
;
481 FD_SET_MAX(fd
, maxfd
, rset
);
483 FD_SET_MAX(fd
, maxfd
, wset
);
485 FD_SET_MAX(fd
, maxfd
, xset
);
489 FD_SET_MAX(0, maxfd
, rset
);
493 struct timeval tv
, *ptv
;
495 if (run_timers(now
, &next
)) {
496 ticks
= next
- GETTICKCOUNT();
498 ticks
= 1; /* just in case */
499 tv
.tv_sec
= ticks
/ 1000;
500 tv
.tv_usec
= ticks
% 1000 * 1000;
505 ret
= select(maxfd
, &rset
, &wset
, &xset
, ptv
);
509 now
= GETTICKCOUNT();
510 } while (ret
< 0 && errno
!= EINTR
);
518 for (i
= 0; i
< fdcount
; i
++) {
521 * We must process exceptional notifications before
522 * ordinary readability ones, or we may go straight
523 * past the urgent marker.
525 if (FD_ISSET(fd
, &xset
))
526 select_result(fd
, 4);
527 if (FD_ISSET(fd
, &rset
))
528 select_result(fd
, 1);
529 if (FD_ISSET(fd
, &wset
))
530 select_result(fd
, 2);
535 return FD_ISSET(0, &rset
) ?
1 : 0;
539 * Wait for some network data and process it.
541 int ssh_sftp_loop_iteration(void)
543 return ssh_sftp_do_select(FALSE
, FALSE
);
547 * Read a PSFTP command line from stdin.
549 char *ssh_sftp_get_cmdline(char *prompt
, int no_fds_ok
)
552 int buflen
, bufsize
, ret
;
554 fputs(prompt
, stdout
);
558 buflen
= bufsize
= 0;
561 ret
= ssh_sftp_do_select(TRUE
, no_fds_ok
);
563 printf("connection died\n");
564 return NULL
; /* woop woop */
567 if (buflen
>= bufsize
) {
568 bufsize
= buflen
+ 512;
569 buf
= sresize(buf
, bufsize
, char);
571 ret
= read(0, buf
+buflen
, 1);
577 /* eof on stdin; no error, but no answer either */
581 if (buf
[buflen
++] == '\n') {
582 /* we have a full line */
589 void frontend_net_error_pending(void) {}
592 * Main program: do platform-specific initialisation and then call
595 int main(int argc
, char *argv
[])
598 return psftp_main(argc
, argv
);