1 /* User Menu implementation
2 Copyright (C) 1994, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
3 2006, 2007 Free Software Foundation, Inc.
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
37 #include "../edit/edit.h" /* BLOCK_FILE */
38 #include "../edit/edit-widget.h" /* WEdit */
40 /* For the simple listbox manager */
45 #include "view.h" /* for default_* externs */
47 #define MAX_ENTRIES 16
48 #define MAX_ENTRY_LEN 60
50 static int debug_flag
= 0;
51 static int debug_error
= 0;
52 static char *menu
= NULL
;
56 %f The current file (if non-local vfs, file will be copied locally and
57 %f will be full path to it).
59 %d The current working directory
60 %s "Selected files"; the tagged files if any, otherwise the current file
62 %u Tagged files (and they are untagged on return from expand_format)
63 %view Runs the commands and pipes standard output to the view command.
64 If %view is immediately followed by '{', recognize keywords
65 ascii, hex, nroff and unform
67 If the format letter is in uppercase, it refers to the other panel.
69 With a number followed the % character you can turn quoting on (default)
71 %f quote expanded macro
73 %0f don't quote expanded macro
75 expand_format returns a memory block that must be free()d.
78 /* Returns how many characters we should advance if %view was found */
79 int check_format_view (const char *p
)
82 if (!strncmp (p
, "view", 4)) {
85 for (q
++;*q
&& *q
!= '}';q
++) {
86 if (!strncmp (q
, "ascii", 5)) {
89 } else if (!strncmp (q
, "hex", 3)) {
92 } else if (!strncmp (q
, "nroff", 5)) {
93 default_nroff_flag
= 1;
95 } else if (!strncmp (q
, "unform", 6)) {
96 default_nroff_flag
= 0;
108 int check_format_cd (const char *p
)
110 return (strncmp (p
, "cd", 2)) ? 0 : 3;
113 /* Check if p has a "^var\{var-name\}" */
114 /* Returns the number of skipped characters (zero on not found) */
115 /* V will be set to the expanded variable name */
116 int check_format_var (const char *p
, char **v
)
121 const char *dots
= 0;
124 if (!strncmp (p
, "var{", 4)){
125 for (q
+= 4; *q
&& *q
!= '}'; q
++){
132 if (!dots
|| dots
== q
+5){
134 _(" Format error on file Extensions File "),
135 !dots
? _(" The %%var macro has no default ")
136 : _(" The %%var macro has no variable "));
140 /* Copy the variable name */
141 var_name
= g_strndup (p
+ 4, dots
-2 - (p
+3));
143 value
= getenv (var_name
);
146 *v
= g_strdup (value
);
149 var_name
= g_strndup (dots
, q
- dots
);
156 /* strip file's extension */
160 register char *s
= ss
;
164 if(*s
== PATH_SEP
&& e
) e
=NULL
; /* '.' in *directory* name */
172 expand_format (struct WEdit
*edit_widget
, char c
, int quote
)
174 WPanel
*panel
= NULL
;
175 char *(*quote_func
) (const char *, int);
181 return g_strdup ("%");
183 if (edit_one_file
!= NULL
)
184 fname
= edit_widget
->filename
;
186 if (islower ((unsigned char) c
))
187 panel
= current_panel
;
189 if (get_other_type () != view_listing
)
190 return g_strdup ("");
193 fname
= panel
->dir
.list
[panel
->selected
].fname
;
197 quote_func
= name_quote
;
199 quote_func
= fake_name_quote
;
201 c_lc
= tolower ((unsigned char) c
);
206 return (*quote_func
) (fname
, 0);
208 return (*quote_func
) (extension (fname
), 0);
214 cwd
= g_malloc(MC_MAXPATHLEN
+ 1);
217 g_strlcpy(cwd
, panel
->cwd
, MC_MAXPATHLEN
+ 1);
219 mc_get_current_wd(cwd
, MC_MAXPATHLEN
+ 1);
221 qstr
= (*quote_func
) (cwd
, 0);
227 case 'i': /* indent equal number cursor position in line */
229 return g_strnfill (edit_widget
->curs_col
, ' ');
231 case 'y': /* syntax type */
232 if (edit_widget
&& edit_widget
->syntax_type
)
233 return g_strdup (edit_widget
->syntax_type
);
235 case 'k': /* block file name */
236 case 'b': /* block file name / strip extension */ {
238 char *file
= g_strconcat (home_dir
, PATH_SEP_STR BLOCK_FILE
, (char *) NULL
);
239 fname
= (*quote_func
) (file
, 0);
242 } else if (c_lc
== 'b') {
243 return strip_ext ((*quote_func
) (fname
, 0));
247 case 'n': /* strip extension in editor */
249 return strip_ext ((*quote_func
) (fname
, 0));
251 case 'm': /* menu file name */
253 return (*quote_func
) (menu
, 0);
256 if (!panel
|| !panel
->marked
)
257 return (*quote_func
) (fname
, 0);
268 return g_strdup ("");
270 for (i
= 0; i
< panel
->count
; i
++)
271 if (panel
->dir
.list
[i
].f
.marked
)
272 length
+= strlen (panel
->dir
.list
[i
].fname
) + 1; /* for space */
274 block
= g_malloc (length
* 2 + 1);
276 for (i
= 0; i
< panel
->count
; i
++)
277 if (panel
->dir
.list
[i
].f
.marked
) {
279 (*quote_func
) (panel
->dir
.list
[i
].fname
, 0));
283 do_file_mark (panel
, i
, 0);
286 } /* sub case block */
288 result
= g_strdup ("% ");
294 * Check for the "shell_patterns" directive. If it's found and valid,
295 * interpret it and move the pointer past the directive. Return the
299 check_patterns (char *p
)
301 static const char def_name
[] = "shell_patterns=";
304 if (strncmp (p
, def_name
, sizeof (def_name
) - 1) != 0)
307 p
+= sizeof (def_name
) - 1;
317 while (*p
== '\n' || *p
== '\t' || *p
== ' ')
322 /* Copies a whitespace separated argument from p to arg. Returns the
323 point after argument. */
324 static char *extract_arg (char *p
, char *arg
, int size
)
326 while (*p
&& (*p
== ' ' || *p
== '\t' || *p
== '\n'))
328 /* support quote space .mnu */
329 while (size
> 1 && *p
&& (*p
!= ' ' || *(p
-1) == '\\') && *p
!= '\t' && *p
!= '\n') {
334 if (!*p
|| *p
== '\n')
339 /* Tests whether the selected file in the panel is of any of the types
340 specified in argument. */
341 static int test_type (WPanel
*panel
, char *arg
)
343 int result
= 0; /* False by default */
344 int st_mode
= panel
->dir
.list
[panel
->selected
].st
.st_mode
;
346 for (;*arg
!= 0; arg
++){
348 case 'n': /* Not a directory */
349 result
|= !S_ISDIR (st_mode
);
351 case 'r': /* Regular file */
352 result
|= S_ISREG (st_mode
);
354 case 'd': /* Directory */
355 result
|= S_ISDIR (st_mode
);
358 result
|= S_ISLNK (st_mode
);
360 case 'c': /* Character special */
361 result
|= S_ISCHR (st_mode
);
363 case 'b': /* Block special */
364 result
|= S_ISBLK (st_mode
);
366 case 'f': /* Fifo (named pipe) */
367 result
|= S_ISFIFO (st_mode
);
369 case 's': /* Socket */
370 result
|= S_ISSOCK (st_mode
);
372 case 'x': /* Executable */
373 result
|= (st_mode
& 0111) ? 1 : 0;
376 result
|= panel
->marked
? 1 : 0;
386 /* Calculates the truth value of the next condition starting from
387 p. Returns the point after condition. */
388 static char *test_condition (WEdit
*edit_widget
, char *p
, int *condition
)
393 /* Handle one condition */
394 for (;*p
!= '\n' && *p
!= '&' && *p
!= '|'; p
++){
395 /* support quote space .mnu */
396 if ((*p
== ' ' && *(p
-1) != '\\') || *p
== '\t')
399 panel
= current_panel
;
401 if (get_other_type () == view_listing
)
410 p
= test_condition (edit_widget
, p
, condition
);
411 *condition
= ! *condition
;
414 case 'f': /* file name pattern */
415 p
= extract_arg (p
, arg
, sizeof (arg
));
416 *condition
= panel
&& regexp_match (arg
, panel
->dir
.list
[panel
->selected
].fname
, match_file
);
418 case 'y': /* syntax pattern */
419 if (edit_widget
&& edit_widget
->syntax_type
) {
420 p
= extract_arg (p
, arg
, sizeof (arg
));
421 *condition
= panel
&&
422 regexp_match (arg
, edit_widget
->syntax_type
, match_normal
);
426 p
= extract_arg (p
, arg
, sizeof (arg
));
427 *condition
= panel
&& regexp_match (arg
, panel
->cwd
, match_file
);
430 p
= extract_arg (p
, arg
, sizeof (arg
));
431 *condition
= panel
&& test_type (panel
, arg
);
433 case 'x': /* executable */
437 p
= extract_arg (p
, arg
, sizeof (arg
));
438 if (stat (arg
, &status
) == 0)
439 *condition
= is_exe (status
.st_mode
);
453 /* General purpose condition debug output handler */
455 debug_out (char *start
, char *end
, int cond
)
460 if (start
== NULL
&& end
== NULL
){
462 if (debug_flag
&& msg
) {
466 message (0, _(" Debug "), "%s", msg
);
476 /* Save debug info for later output */
479 /* Save the result of the condition */
481 type
= _(" ERROR: ");
487 type
= _(" False: ");
488 /* This is for debugging, don't need to be super efficient. */
490 p
= g_strdup_printf ("%s%s%c \n", msg
? msg
: "", type
, *start
);
492 p
= g_strdup_printf ("%s%s%.*s \n", msg
? msg
: "", type
,
493 (int) (end
- start
), start
);
499 /* Calculates the truth value of one lineful of conditions. Returns
500 the point just before the end of line. */
501 static char *test_line (WEdit
*edit_widget
, char *p
, int *result
)
505 char *debug_start
, *debug_end
;
507 /* Repeat till end of line */
508 while (*p
&& *p
!= '\n') {
509 /* support quote space .mnu */
510 while ((*p
== ' ' && *(p
-1) != '\\' ) || *p
== '\t')
512 if (!*p
|| *p
== '\n')
519 /* support quote space .mnu */
520 while ((*p
== ' ' && *(p
-1) != '\\' ) || *p
== '\t')
522 if (!*p
|| *p
== '\n')
524 condition
= 1; /* True by default */
527 p
= test_condition (edit_widget
, p
, &condition
);
529 /* Add one debug statement */
530 debug_out (debug_start
, debug_end
, condition
);
538 case '&': /* Logical and */
539 *result
&= condition
;
541 case '|': /* Logical or */
542 *result
|= condition
;
548 /* Add one debug statement */
549 debug_out (&operator, NULL
, *result
);
551 } /* while (*p != '\n') */
552 /* Report debug message */
553 debug_out (NULL
, NULL
, 1);
555 if (!*p
|| *p
== '\n')
560 /* FIXME: recode this routine on version 3.0, it could be cleaner */
562 execute_menu_command (WEdit
*edit_widget
, const char *commands
)
566 int expand_prefix_found
= 0;
574 /* Skip menu entry title line */
575 commands
= strchr (commands
, '\n');
580 cmd_file_fd
= mc_mkstemps (&file_name
, "mcusr", SCRIPT_SUFFIX
);
582 if (cmd_file_fd
== -1){
583 message (1, MSG_ERROR
, _(" Cannot create temporary command file \n %s "),
584 unix_error_string (errno
));
587 cmd_file
= fdopen (cmd_file_fd
, "w");
588 fputs ("#! /bin/sh\n", cmd_file
);
591 for (col
= 0; *commands
; commands
++){
593 if (*commands
!= ' ' && *commands
!= '\t')
595 while (*commands
== ' ' || *commands
== '\t')
601 if (*commands
== '\n')
604 if (*commands
== '}'){
607 parameter
= input_dialog (_(" Parameter "), prompt
, "");
608 if (!parameter
|| !*parameter
){
616 fputs (tmp
= name_quote (parameter
, 0), cmd_file
);
619 fputs (parameter
, cmd_file
);
623 if (parameter
< &prompt
[sizeof (prompt
) - 1]) {
624 *parameter
++ = *commands
;
627 } else if (expand_prefix_found
){
628 expand_prefix_found
= 0;
629 if (isdigit ((unsigned char) *commands
)) {
630 do_quote
= atoi (commands
);
631 while (isdigit ((unsigned char) *commands
))
634 if (*commands
== '{')
637 char *text
= expand_format (edit_widget
, *commands
, do_quote
);
638 fputs (text
, cmd_file
);
642 if (*commands
== '%') {
643 int i
= check_format_view (commands
+ 1);
648 do_quote
= 1; /* Default: Quote expanded macro */
649 expand_prefix_found
= 1;
652 fputc (*commands
, cmd_file
);
656 chmod (file_name
, S_IRWXU
);
659 mc_internal_viewer (file_name
, NULL
, &run_view
, 0);
661 /* execute the command indirectly to allow execution even
662 * on no-exec filesystems. */
663 char *cmd
= g_strconcat("/bin/sh ", file_name
, (char *)NULL
);
664 shell_execute (cmd
, EXECUTE_HIDE
);
672 ** Check owner of the menu file. Using menu file is allowed, if
673 ** owner of the menu is root or the actual user. In either case
674 ** file should not be group and word-writable.
676 ** Q. Should we apply this routine to system and home menu (and .ext files)?
679 menu_file_own(char* path
)
683 if (stat (path
, &st
) == 0
684 && (!st
.st_uid
|| (st
.st_uid
== geteuid ()))
685 && ((st
.st_mode
& (S_IWGRP
| S_IWOTH
)) == 0)
691 message (0, _(" Warning -- ignoring file "),
692 _("File %s is not owned by root or you or is world writable.\n"
693 "Using it may compromise your security"),
701 * If edit_widget is NULL then we are called from the mc menu,
702 * otherwise we are called from the mcedit menu.
705 user_menu_cmd (struct WEdit
*edit_widget
)
708 char *data
, **entries
;
709 int max_cols
, menu_lines
, menu_limit
;
710 int col
, i
, accept_entry
= 1;
711 int selected
, old_patterns
;
714 if (!vfs_current_is_local ()){
715 message (1, MSG_ERROR
,
716 _(" Cannot execute commands on non-local filesystems"));
720 menu
= g_strdup (edit_widget
? CEDIT_LOCAL_MENU
: MC_LOCAL_MENU
);
721 if (!exist_file (menu
) || !menu_file_own (menu
)){
723 menu
= concat_dir_and_file \
724 (home_dir
, edit_widget
? CEDIT_HOME_MENU
: MC_HOME_MENU
);
725 if (!exist_file (menu
)){
727 menu
= concat_dir_and_file \
728 (mc_home
, edit_widget
? CEDIT_GLOBAL_MENU
: MC_GLOBAL_MENU
);
732 if ((data
= load_file (menu
)) == NULL
){
733 message (1, MSG_ERROR
, _(" Cannot open file %s \n %s "),
734 menu
, unix_error_string (errno
));
745 /* Parse the menu file */
746 old_patterns
= easy_patterns
;
747 p
= check_patterns (data
);
748 for (menu_lines
= col
= 0; *p
; p
++){
749 if (menu_lines
>= menu_limit
){
752 menu_limit
+= MAX_ENTRIES
;
753 new_entries
= g_realloc (entries
, sizeof (new_entries
[0]) * menu_limit
);
755 if (new_entries
== 0)
758 entries
= new_entries
;
759 new_entries
+= menu_limit
;
760 while (--new_entries
>= &entries
[menu_lines
])
763 if (col
== 0 && !entries
[menu_lines
]){
765 /* A commented menu entry */
767 } else if (*p
== '+'){
769 /* Combined adding and default */
770 p
= test_line (edit_widget
, p
+ 1, &accept_entry
);
771 if (selected
== 0 && accept_entry
)
772 selected
= menu_lines
;
774 /* A condition for adding the entry */
775 p
= test_line (edit_widget
, p
, &accept_entry
);
777 } else if (*p
== '='){
779 /* Combined adding and default */
780 p
= test_line (edit_widget
, p
+ 1, &accept_entry
);
781 if (selected
== 0 && accept_entry
)
782 selected
= menu_lines
;
784 /* A condition for making the entry default */
786 p
= test_line (edit_widget
, p
, &i
);
787 if (selected
== 0 && i
)
788 selected
= menu_lines
;
791 else if (*p
!= ' ' && *p
!= '\t' && is_printable (*p
)) {
792 /* A menu entry title line */
794 entries
[menu_lines
] = p
;
800 if (entries
[menu_lines
]){
804 max_cols
= max (max_cols
, col
);
813 if (menu_lines
== 0) {
814 message (1, MSG_ERROR
, _(" No suitable entries found in %s "), menu
);
817 max_cols
= min (max (max_cols
, col
), MAX_ENTRY_LEN
);
820 listbox
= create_listbox_window (max_cols
+2, menu_lines
, _(" User menu "),
822 /* insert all the items found */
823 for (i
= 0; i
< menu_lines
; i
++) {
825 LISTBOX_APPEND_TEXT (listbox
, (unsigned char) p
[0],
826 extract_line (p
, p
+ MAX_ENTRY_LEN
), p
829 /* Select the default entry */
830 listbox_select_by_number (listbox
->list
, selected
);
832 selected
= run_listbox (listbox
);
834 execute_menu_command (edit_widget
, entries
[selected
]);
839 easy_patterns
= old_patterns
;