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. */
38 #include "../edit/edit.h" /* BLOCK_FILE */
39 #include "../edit/edit-widget.h" /* WEdit */
41 /* For the simple listbox manager */
46 #include "view.h" /* for default_* externs */
48 #define MAX_ENTRIES 16
49 #define MAX_ENTRY_LEN 60
51 static int debug_flag
= 0;
52 static int debug_error
= 0;
53 static char *menu
= NULL
;
57 %f The current file (if non-local vfs, file will be copied locally and
58 %f will be full path to it).
60 %d The current working directory
61 %s "Selected files"; the tagged files if any, otherwise the current file
63 %u Tagged files (and they are untagged on return from expand_format)
64 %view Runs the commands and pipes standard output to the view command.
65 If %view is immediately followed by '{', recognize keywords
66 ascii, hex, nroff and unform
68 If the format letter is in uppercase, it refers to the other panel.
70 With a number followed the % character you can turn quoting on (default)
72 %f quote expanded macro
74 %0f don't quote expanded macro
76 expand_format returns a memory block that must be free()d.
79 /* Returns how many characters we should advance if %view was found */
80 int check_format_view (const char *p
)
83 if (!strncmp (p
, "view", 4)) {
86 for (q
++;*q
&& *q
!= '}';q
++) {
87 if (!strncmp (q
, "ascii", 5)) {
90 } else if (!strncmp (q
, "hex", 3)) {
93 } else if (!strncmp (q
, "nroff", 5)) {
94 default_nroff_flag
= 1;
96 } else if (!strncmp (q
, "unform", 6)) {
97 default_nroff_flag
= 0;
109 int check_format_cd (const char *p
)
111 return (strncmp (p
, "cd", 2)) ? 0 : 3;
114 /* Check if p has a "^var\{var-name\}" */
115 /* Returns the number of skipped characters (zero on not found) */
116 /* V will be set to the expanded variable name */
117 int check_format_var (const char *p
, char **v
)
122 const char *dots
= 0;
125 if (!strncmp (p
, "var{", 4)){
126 for (q
+= 4; *q
&& *q
!= '}'; q
++){
133 if (!dots
|| dots
== q
+5){
135 _(" Format error on file Extensions File "),
136 !dots
? _(" The %%var macro has no default ")
137 : _(" The %%var macro has no variable "));
141 /* Copy the variable name */
142 var_name
= g_strndup (p
+ 4, dots
-2 - (p
+3));
144 value
= getenv (var_name
);
147 *v
= g_strdup (value
);
150 var_name
= g_strndup (dots
, q
- dots
);
157 /* strip file's extension */
161 register char *s
= ss
;
165 if(*s
== PATH_SEP
&& e
) e
=NULL
; /* '.' in *directory* name */
173 expand_format (struct WEdit
*edit_widget
, char c
, int quote
)
175 WPanel
*panel
= NULL
;
176 char *(*quote_func
) (const char *, int);
182 return g_strdup ("%");
184 if (edit_one_file
!= NULL
)
185 fname
= edit_widget
->filename
;
187 if (islower ((unsigned char) c
))
188 panel
= current_panel
;
190 if (get_other_type () != view_listing
)
191 return g_strdup ("");
194 fname
= panel
->dir
.list
[panel
->selected
].fname
;
198 quote_func
= name_quote
;
200 quote_func
= fake_name_quote
;
202 c_lc
= tolower ((unsigned char) c
);
207 return (*quote_func
) (fname
, 0);
209 return (*quote_func
) (extension (fname
), 0);
215 cwd
= g_malloc(MC_MAXPATHLEN
+ 1);
218 g_strlcpy(cwd
, panel
->cwd
, MC_MAXPATHLEN
+ 1);
220 mc_get_current_wd(cwd
, MC_MAXPATHLEN
+ 1);
222 qstr
= (*quote_func
) (cwd
, 0);
228 case 'i': /* indent equal number cursor position in line */
230 return g_strnfill (edit_widget
->curs_col
, ' ');
232 case 'y': /* syntax type */
233 if (edit_widget
&& edit_widget
->syntax_type
)
234 return g_strdup (edit_widget
->syntax_type
);
236 case 'k': /* block file name */
237 case 'b': /* block file name / strip extension */ {
239 char *file
= g_strconcat (home_dir
, PATH_SEP_STR BLOCK_FILE
, (char *) NULL
);
240 fname
= (*quote_func
) (file
, 0);
243 } else if (c_lc
== 'b') {
244 return strip_ext ((*quote_func
) (fname
, 0));
248 case 'n': /* strip extension in editor */
250 return strip_ext ((*quote_func
) (fname
, 0));
252 case 'm': /* menu file name */
254 return (*quote_func
) (menu
, 0);
257 if (!panel
|| !panel
->marked
)
258 return (*quote_func
) (fname
, 0);
269 return g_strdup ("");
271 for (i
= 0; i
< panel
->count
; i
++)
272 if (panel
->dir
.list
[i
].f
.marked
)
273 length
+= strlen (panel
->dir
.list
[i
].fname
) + 1; /* for space */
275 block
= g_malloc (length
* 2 + 1);
277 for (i
= 0; i
< panel
->count
; i
++)
278 if (panel
->dir
.list
[i
].f
.marked
) {
280 (*quote_func
) (panel
->dir
.list
[i
].fname
, 0));
284 do_file_mark (panel
, i
, 0);
287 } /* sub case block */
289 result
= g_strdup ("% ");
295 * Check for the "shell_patterns" directive. If it's found and valid,
296 * interpret it and move the pointer past the directive. Return the
300 check_patterns (char *p
)
302 static const char def_name
[] = "shell_patterns=";
305 if (strncmp (p
, def_name
, sizeof (def_name
) - 1) != 0)
308 p
+= sizeof (def_name
) - 1;
318 while (*p
== '\n' || *p
== '\t' || *p
== ' ')
323 /* Copies a whitespace separated argument from p to arg. Returns the
324 point after argument. */
325 static char *extract_arg (char *p
, char *arg
, int size
)
327 while (*p
&& (*p
== ' ' || *p
== '\t' || *p
== '\n'))
329 /* support quote space .mnu */
330 while (size
> 1 && *p
&& (*p
!= ' ' || *(p
-1) == '\\') && *p
!= '\t' && *p
!= '\n') {
335 if (!*p
|| *p
== '\n')
340 /* Tests whether the selected file in the panel is of any of the types
341 specified in argument. */
342 static int test_type (WPanel
*panel
, char *arg
)
344 int result
= 0; /* False by default */
345 int st_mode
= panel
->dir
.list
[panel
->selected
].st
.st_mode
;
347 for (;*arg
!= 0; arg
++){
349 case 'n': /* Not a directory */
350 result
|= !S_ISDIR (st_mode
);
352 case 'r': /* Regular file */
353 result
|= S_ISREG (st_mode
);
355 case 'd': /* Directory */
356 result
|= S_ISDIR (st_mode
);
359 result
|= S_ISLNK (st_mode
);
361 case 'c': /* Character special */
362 result
|= S_ISCHR (st_mode
);
364 case 'b': /* Block special */
365 result
|= S_ISBLK (st_mode
);
367 case 'f': /* Fifo (named pipe) */
368 result
|= S_ISFIFO (st_mode
);
370 case 's': /* Socket */
371 result
|= S_ISSOCK (st_mode
);
373 case 'x': /* Executable */
374 result
|= (st_mode
& 0111) ? 1 : 0;
377 result
|= panel
->marked
? 1 : 0;
387 /* Calculates the truth value of the next condition starting from
388 p. Returns the point after condition. */
389 static char *test_condition (WEdit
*edit_widget
, char *p
, int *condition
)
394 /* Handle one condition */
395 for (;*p
!= '\n' && *p
!= '&' && *p
!= '|'; p
++){
396 /* support quote space .mnu */
397 if ((*p
== ' ' && *(p
-1) != '\\') || *p
== '\t')
400 panel
= current_panel
;
402 if (get_other_type () == view_listing
)
411 p
= test_condition (edit_widget
, p
, condition
);
412 *condition
= ! *condition
;
415 case 'f': /* file name pattern */
416 p
= extract_arg (p
, arg
, sizeof (arg
));
417 *condition
= panel
&& regexp_match (arg
, panel
->dir
.list
[panel
->selected
].fname
, match_file
);
419 case 'y': /* syntax pattern */
420 if (edit_widget
&& edit_widget
->syntax_type
) {
421 p
= extract_arg (p
, arg
, sizeof (arg
));
422 *condition
= panel
&&
423 regexp_match (arg
, edit_widget
->syntax_type
, match_normal
);
427 p
= extract_arg (p
, arg
, sizeof (arg
));
428 *condition
= panel
&& regexp_match (arg
, panel
->cwd
, match_file
);
431 p
= extract_arg (p
, arg
, sizeof (arg
));
432 *condition
= panel
&& test_type (panel
, arg
);
434 case 'x': /* executable */
438 p
= extract_arg (p
, arg
, sizeof (arg
));
439 if (stat (arg
, &status
) == 0)
440 *condition
= is_exe (status
.st_mode
);
454 /* General purpose condition debug output handler */
456 debug_out (char *start
, char *end
, int cond
)
461 if (start
== NULL
&& end
== NULL
){
463 if (debug_flag
&& msg
) {
467 message (0, _(" Debug "), "%s", msg
);
477 /* Save debug info for later output */
480 /* Save the result of the condition */
482 type
= _(" ERROR: ");
488 type
= _(" False: ");
489 /* This is for debugging, don't need to be super efficient. */
491 p
= g_strdup_printf ("%s%s%c \n", msg
? msg
: "", type
, *start
);
493 p
= g_strdup_printf ("%s%s%.*s \n", msg
? msg
: "", type
,
494 (int) (end
- start
), start
);
500 /* Calculates the truth value of one lineful of conditions. Returns
501 the point just before the end of line. */
502 static char *test_line (WEdit
*edit_widget
, char *p
, int *result
)
506 char *debug_start
, *debug_end
;
508 /* Repeat till end of line */
509 while (*p
&& *p
!= '\n') {
510 /* support quote space .mnu */
511 while ((*p
== ' ' && *(p
-1) != '\\' ) || *p
== '\t')
513 if (!*p
|| *p
== '\n')
520 /* support quote space .mnu */
521 while ((*p
== ' ' && *(p
-1) != '\\' ) || *p
== '\t')
523 if (!*p
|| *p
== '\n')
525 condition
= 1; /* True by default */
528 p
= test_condition (edit_widget
, p
, &condition
);
530 /* Add one debug statement */
531 debug_out (debug_start
, debug_end
, condition
);
539 case '&': /* Logical and */
540 *result
&= condition
;
542 case '|': /* Logical or */
543 *result
|= condition
;
549 /* Add one debug statement */
550 debug_out (&operator, NULL
, *result
);
552 } /* while (*p != '\n') */
553 /* Report debug message */
554 debug_out (NULL
, NULL
, 1);
556 if (!*p
|| *p
== '\n')
561 /* FIXME: recode this routine on version 3.0, it could be cleaner */
563 execute_menu_command (WEdit
*edit_widget
, const char *commands
)
567 int expand_prefix_found
= 0;
575 /* Skip menu entry title line */
576 commands
= strchr (commands
, '\n');
581 cmd_file_fd
= mc_mkstemps (&file_name
, "mcusr", SCRIPT_SUFFIX
);
583 if (cmd_file_fd
== -1){
584 message (1, MSG_ERROR
, _(" Cannot create temporary command file \n %s "),
585 unix_error_string (errno
));
588 cmd_file
= fdopen (cmd_file_fd
, "w");
589 fputs ("#! /bin/sh\n", cmd_file
);
592 for (col
= 0; *commands
; commands
++){
594 if (*commands
!= ' ' && *commands
!= '\t')
596 while (*commands
== ' ' || *commands
== '\t')
602 if (*commands
== '\n')
605 if (*commands
== '}'){
608 parameter
= input_dialog (_(" Parameter "), prompt
, MC_HISTORY_FM_MENU_EXEC_PARAM
, "");
609 if (!parameter
|| !*parameter
){
617 fputs (tmp
= name_quote (parameter
, 0), cmd_file
);
620 fputs (parameter
, cmd_file
);
624 if (parameter
< &prompt
[sizeof (prompt
) - 1]) {
625 *parameter
++ = *commands
;
628 } else if (expand_prefix_found
){
629 expand_prefix_found
= 0;
630 if (isdigit ((unsigned char) *commands
)) {
631 do_quote
= atoi (commands
);
632 while (isdigit ((unsigned char) *commands
))
635 if (*commands
== '{')
638 char *text
= expand_format (edit_widget
, *commands
, do_quote
);
639 fputs (text
, cmd_file
);
643 if (*commands
== '%') {
644 int i
= check_format_view (commands
+ 1);
649 do_quote
= 1; /* Default: Quote expanded macro */
650 expand_prefix_found
= 1;
653 fputc (*commands
, cmd_file
);
657 chmod (file_name
, S_IRWXU
);
660 mc_internal_viewer (file_name
, NULL
, &run_view
, 0);
662 /* execute the command indirectly to allow execution even
663 * on no-exec filesystems. */
664 char *cmd
= g_strconcat("/bin/sh ", file_name
, (char *)NULL
);
665 shell_execute (cmd
, EXECUTE_HIDE
);
673 ** Check owner of the menu file. Using menu file is allowed, if
674 ** owner of the menu is root or the actual user. In either case
675 ** file should not be group and word-writable.
677 ** Q. Should we apply this routine to system and home menu (and .ext files)?
680 menu_file_own(char* path
)
684 if (stat (path
, &st
) == 0
685 && (!st
.st_uid
|| (st
.st_uid
== geteuid ()))
686 && ((st
.st_mode
& (S_IWGRP
| S_IWOTH
)) == 0)
692 message (0, _(" Warning -- ignoring file "),
693 _("File %s is not owned by root or you or is world writable.\n"
694 "Using it may compromise your security"),
702 * If edit_widget is NULL then we are called from the mc menu,
703 * otherwise we are called from the mcedit menu.
706 user_menu_cmd (struct WEdit
*edit_widget
)
709 char *data
, **entries
;
710 int max_cols
, menu_lines
, menu_limit
;
711 int col
, i
, accept_entry
= 1;
712 int selected
, old_patterns
;
715 if (!vfs_current_is_local ()){
716 message (1, MSG_ERROR
,
717 _(" Cannot execute commands on non-local filesystems"));
721 menu
= g_strdup (edit_widget
? CEDIT_LOCAL_MENU
: MC_LOCAL_MENU
);
722 if (!exist_file (menu
) || !menu_file_own (menu
)){
724 menu
= concat_dir_and_file \
725 (home_dir
, edit_widget
? CEDIT_HOME_MENU
: MC_HOME_MENU
);
726 if (!exist_file (menu
)){
728 menu
= concat_dir_and_file \
729 (mc_home
, edit_widget
? CEDIT_GLOBAL_MENU
: MC_GLOBAL_MENU
);
733 if ((data
= load_file (menu
)) == NULL
){
734 message (1, MSG_ERROR
, _(" Cannot open file %s \n %s "),
735 menu
, unix_error_string (errno
));
746 /* Parse the menu file */
747 old_patterns
= easy_patterns
;
748 p
= check_patterns (data
);
749 for (menu_lines
= col
= 0; *p
; p
++){
750 if (menu_lines
>= menu_limit
){
753 menu_limit
+= MAX_ENTRIES
;
754 new_entries
= g_realloc (entries
, sizeof (new_entries
[0]) * menu_limit
);
756 if (new_entries
== 0)
759 entries
= new_entries
;
760 new_entries
+= menu_limit
;
761 while (--new_entries
>= &entries
[menu_lines
])
764 if (col
== 0 && !entries
[menu_lines
]){
766 /* A commented menu entry */
768 } else if (*p
== '+'){
770 /* Combined adding and default */
771 p
= test_line (edit_widget
, p
+ 1, &accept_entry
);
772 if (selected
== 0 && accept_entry
)
773 selected
= menu_lines
;
775 /* A condition for adding the entry */
776 p
= test_line (edit_widget
, p
, &accept_entry
);
778 } else if (*p
== '='){
780 /* Combined adding and default */
781 p
= test_line (edit_widget
, p
+ 1, &accept_entry
);
782 if (selected
== 0 && accept_entry
)
783 selected
= menu_lines
;
785 /* A condition for making the entry default */
787 p
= test_line (edit_widget
, p
, &i
);
788 if (selected
== 0 && i
)
789 selected
= menu_lines
;
792 else if (*p
!= ' ' && *p
!= '\t' && is_printable (*p
)) {
793 /* A menu entry title line */
795 entries
[menu_lines
] = p
;
801 if (entries
[menu_lines
]){
805 max_cols
= max (max_cols
, col
);
814 if (menu_lines
== 0) {
815 message (1, MSG_ERROR
, _(" No suitable entries found in %s "), menu
);
818 max_cols
= min (max (max_cols
, col
), MAX_ENTRY_LEN
);
821 listbox
= create_listbox_window (max_cols
+2, menu_lines
, _(" User menu "),
823 /* insert all the items found */
824 for (i
= 0; i
< menu_lines
; i
++) {
826 LISTBOX_APPEND_TEXT (listbox
, (unsigned char) p
[0],
827 extract_line (p
, p
+ MAX_ENTRY_LEN
), p
830 /* Select the default entry */
831 listbox_select_by_number (listbox
->list
, selected
);
833 selected
= run_listbox (listbox
);
835 execute_menu_command (edit_widget
, entries
[selected
]);
840 easy_patterns
= old_patterns
;