+++ /dev/null
-/* Extension dependent execution.
- Copyright (C) 1994, 1995 The Free Software Foundation
-
- Written by: 1995 Jakub Jelinek
- 1994 Miguel de Icaza
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
-#include <config.h>
-#include <stdio.h>
-#include <ctype.h>
-#include <stdlib.h>
-#ifdef __os2__
-# include <io.h>
-#endif
-
-#include "tty.h"
-#ifdef HAVE_UNISTD_H
-# include <unistd.h>
-#endif
-#include <fcntl.h>
-#include <malloc.h>
-#include <string.h>
-#include <errno.h>
-#include "mad.h"
-#include "user.h"
-#include "main.h"
-#include "fs.h"
-#include "util.h"
-#include "dialog.h"
-#include "global.h"
-#include "ext.h"
-#include "view.h"
-#include "main.h"
-#include "../vfs/vfs.h"
-#include "x.h"
-
-#include "cons.saver.h"
-#include "layout.h"
-#ifdef SCO_FLAVOR
-#include <sys/wait.h>
-#endif /* SCO_FLAVOR */
-
-/* "$Id$" */
-
-/* If set, we execute the file command to check the file type */
-int use_file_to_check_type = 1;
-
-/* This variable points to a copy of the mc.ext file in memory
- * With this we avoid loading/parsing the file each time we
- * need it
- */
-static char *data = NULL;
-
-#ifdef OS2_NT
-
-__declspec(dllimport) __stdcall unsigned GetTempPathA(unsigned,char*);
-
-static char tmpcmdfilename[255];
-char *gettmpcmdname(){
- int i,fd;
- char TmpPath[255];
- memset(TmpPath,0,255);
- memset(tmpcmdfilename,0,255);
- GetTempPathA(255,TmpPath);
- for(i=0;i<32000;++i){
- sprintf(tmpcmdfilename,"%stmp%d.bat",TmpPath,i);
- if((fd=_open(tmpcmdfilename,_O_RDONLY)) != -1)
- _close(fd);
- else if (errno == ENOENT)
- break;
- }
- return tmpcmdfilename;
-}
-#endif
-
-void
-flush_extension_file (void)
-{
- if (data){
- free (data);
- data = NULL;
- }
-
-}
-
-typedef char *(*quote_func_t)(const char *name, int i);
-
-static char *
-quote_block (quote_func_t quote_func, char **quoting_block)
-{
- char **p = quoting_block;
- char *result = 0;
- char *tail = 0;
- int current_len = 0;
-
- for (p = quoting_block; *p; p++){
- int temp_len;
- char *temp = quote_func (*p, 0);
-
- temp_len = strlen (temp);
- current_len += temp_len + 2;
- result = realloc (result, current_len);
- if (!tail)
- tail = result;
- strcpy (tail, temp);
- strcat (tail, " ");
- tail += temp_len + 1;
- free (temp);
- }
-
- return result;
-}
-
-static void
-exec_extension (char *filename, char *data, char **drops, int *move_dir, int start_line)
-{
- char *file_name;
- int cmd_file_fd;
- FILE *cmd_file;
- int expand_prefix_found = 0;
- int parameter_found = 0;
- char prompt [80];
- int run_view = 0;
- int def_hex_mode = default_hex_mode, changed_hex_mode = 0;
- int def_nroff_flag = default_nroff_flag, changed_nroff_flag = 0;
- int written_nonspace = 0;
- int is_cd = 0;
- char buffer [1024];
- char *p = 0;
- char *localcopy = NULL;
- int do_local_copy;
- time_t localmtime = 0;
- struct stat mystat;
- quote_func_t quote_func = name_quote;
-
- /* Avoid making a local copy if we are doing a cd */
- if (!vfs_file_is_local(filename))
- do_local_copy = 1;
- else
- do_local_copy = 0;
-
- /* Note: this has to be done after the getlocalcopy call,
- * since it uses tmpnam as well
- */
-#ifdef OS2_NT
- file_name = strdup (gettmpcmdname ());
-#else
- file_name = strdup (tmpnam (NULL));
-#endif
- if ((cmd_file_fd = open (file_name, O_RDWR | O_CREAT | O_TRUNC | O_EXCL, 0600)) == -1){
- message (1, MSG_ERROR, _(" Can't create temporary command file \n %s "),
- unix_error_string (errno));
- return;
- }
- cmd_file = fdopen (cmd_file_fd, "w");
-#ifdef OS2_NT
- fprintf (cmd_file, "REM #!%s\n", shell);
-#else
- fprintf (cmd_file, "#!%s\n", shell);
-#endif
- prompt [0] = 0;
- for (;*data && *data != '\n'; data++){
- if (parameter_found){
- if (*data == '}'){
- char *parameter;
- parameter_found = 0;
- parameter = input_dialog (_(" Parameter "), prompt, "");
- if (!parameter){
- /* User canceled */
- fclose (cmd_file);
- unlink (file_name);
- if (localcopy) {
- mc_ungetlocalcopy (filename, localcopy, 0);
- }
- free (file_name);
- return;
- }
- fputs (parameter, cmd_file);
- written_nonspace = 1;
- free (parameter);
- } else {
- int len = strlen (prompt);
-
- if (len < sizeof (prompt) - 1){
- prompt [len] = *data;
- prompt [len+1] = 0;
- }
- }
- } else if (expand_prefix_found){
- expand_prefix_found = 0;
- if (*data == '{')
- parameter_found = 1;
- else {
- int i = check_format_view (data);
- char *v;
-
- if (i){
- data += i - 1;
- run_view = 1;
- } else if ((i = check_format_cd (data)) > 0) {
- is_cd = 1;
- quote_func = fake_name_quote;
- do_local_copy = 0;
- p = buffer;
- data += i - 1;
- } else if ((i = check_format_var (data, &v)) > 0 && v){
- fputs (v, cmd_file);
- free (v);
- data += i;
- } else {
- char *text;
-
- if (*data == 'f'){
- if (do_local_copy){
- localcopy = mc_getlocalcopy (filename);
- if (localcopy == NULL) {
- fclose(cmd_file);
- unlink(file_name);
- free(file_name);
- return;
- }
- mc_stat (localcopy, &mystat);
- localmtime = mystat.st_mtime;
- text = (*quote_func) (localcopy, 0);
- } else {
- text = (*quote_func) (filename, 0);
- }
- } else if (*data == 'q') {
- text = quote_block (quote_func, drops);
- } else
- text = expand_format (*data, !is_cd);
- if (!is_cd)
- fputs (text, cmd_file);
- else {
- strcpy (p, text);
- p = strchr (p, 0);
- }
- free (text);
- written_nonspace = 1;
- }
- }
- } else {
- if (*data == '%')
- expand_prefix_found = 1;
- else {
- if (*data != ' ' && *data != '\t')
- written_nonspace = 1;
- if (is_cd)
- *(p++) = *data;
- else
- fputc (*data, cmd_file);
- }
- }
- } /* for */
- fputc ('\n', cmd_file);
- fclose (cmd_file);
- chmod (file_name, S_IRWXU);
- if (run_view){
- altered_hex_mode = 0;
- altered_nroff_flag = 0;
- if (def_hex_mode != default_hex_mode)
- changed_hex_mode = 1;
- if (def_nroff_flag != default_nroff_flag)
- changed_nroff_flag = 1;
-
- /* If we've written whitespace only, then just load filename
- * into view
- */
- if (written_nonspace)
- view (file_name, filename, move_dir, start_line);
- else
- view (0, filename, move_dir, start_line);
- if (changed_hex_mode && !altered_hex_mode)
- default_hex_mode = def_hex_mode;
- if (changed_nroff_flag && !altered_nroff_flag)
- default_nroff_flag = def_nroff_flag;
- repaint_screen ();
- } else if (is_cd) {
- char *q;
- *p = 0;
- p = buffer;
- while (*p == ' ' && *p == '\t')
- p++;
-
- /* Search last non-space character. Start search at the end in order
- not to short filenames containing spaces. */
- q = p + strlen (p) - 1;
- while (q >= p && (*q == ' ' || *q == '\t'))
- q--;
- q[1] = 0;
- do_cd (p, cd_parse_command);
- } else {
- shell_execute (file_name, EXECUTE_INTERNAL | EXECUTE_TEMPFILE);
- if (console_flag)
- {
- handle_console (CONSOLE_SAVE);
- if (output_lines && keybar_visible)
- {
- show_console_contents (output_start_y,
- LINES-keybar_visible-output_lines-1,
- LINES-keybar_visible-1);
-
- }
- }
-
-#ifdef OLD_CODE
- if (vfs_current_is_local ())
- shell_execute (file_name, EXECUTE_INTERNAL);
- else
- message (1, _(" Warning "), _(" Can't execute commands on a Virtual File System directory "));
-#endif
- }
-#ifndef PORT_DOES_BACKGROUND_EXEC
- unlink (file_name);
-#endif
- if (localcopy) {
- mc_stat (localcopy, &mystat);
- mc_ungetlocalcopy (filename, localcopy, localmtime != mystat.st_mtime);
- }
- free (file_name);
-}
-
-#ifdef FILE_L
-# define FILE_CMD "file -L "
-#else
-# define FILE_CMD "file "
-#endif
-
-/* The second argument is action, i.e. Open, View, Edit, Drop, or NULL if
- * we want regex_command to return a list of all user defined actions.
- * Third argument is space separated list of dropped files (for actions
- * other then Drop it should be NULL);
- *
- * This function returns:
- *
- * If action != NULL, then it returns "Success" (not allocated) if it ran
- * some command or NULL if not.
- *
- * If action == NULL, it returns NULL if there are no user defined commands
- * or an allocated space separated list of user defined Actions.
- *
- * If action == "Icon", we are doing again something special. We return
- * icon name and we set the variable regex_command_title to Title for
- * that icon.
- *
- * If action == "View" then a parameter is checked in the form of "View:%d",
- * if the value for %d exists, then the viewer is started up at that line number.
- */
-char *regex_command_title = NULL;
-char *regex_command (char *filename, char *action, char **drops, int *move_dir)
-{
- char *extension_file;
- char *p, *q, *r, c;
- char *buffer;
- int file_len = strlen (filename);
- int found = 0;
- char content_string [2048];
- int content_shift = 0;
- char *to_return = NULL;
- int old_patterns;
- struct stat mystat;
- int asked_file;
- int view_at_line_number;
- char *include_target;
- int include_target_len;
-
-#ifdef FILE_STDIN
- int file_supports_stdin = 1;
-#else
- int file_supports_stdin = 0;
-#endif
-
- /* Check for the special View:%d parameter */
- if (action && strncmp (action, "View:", 5) == 0){
- view_at_line_number = atoi (action + 5);
- action [4] = 0;
- } else {
- view_at_line_number = 0;
- }
- /* Have we asked file for the file contents? */
- asked_file = 0;
-
- if (data == NULL) {
- int home_error = 0;
-
- buffer = concat_dir_and_file (home_dir, MC_USER_EXT);
- if (exist_file (buffer))
- extension_file = buffer;
- else
-check_stock_mc_ext:
- extension_file = concat_dir_and_file (mc_home, MC_LIB_EXT);
- if ((data = load_file (extension_file)) == NULL) {
- free (buffer);
- return 0;
- }
- if (!strstr (data, "default/")) {
- if (!strstr (data, "regex/") && !strstr (data, "shell/") &&
- !strstr (data, "type/")) {
- free (data);
- data = NULL;
- if (extension_file == buffer) {
- home_error = 1;
- goto check_stock_mc_ext;
- } else {
- char *msg;
- char *msg2;
- msg = copy_strings(" ", mc_home, MC_LIB_EXT, _(" file error"), NULL);
- msg2 = copy_strings(_("Format of the "),
- mc_home,
-("mc.ext file has changed\n\
-with version 3.0. It seems that installation\n\
-failed. Please fetch a fresh new copy from the\n\
-Midnight Commander package or in case you don't\n\
-have any, get it from ftp://ftp.nuclecu.unam.mx."), 0);
- message (1, msg, msg2);
- free (msg);
- free (msg2);
- free (buffer);
- return 0;
- }
- }
- }
- if (home_error) {
- char *msg;
- char *msg2;
- msg = copy_strings(" ~/", MC_USER_EXT, _(" file error "), NULL);
- msg2 = copy_strings(_("Format of the ~/"), MC_USER_EXT, _(" file has changed\n\
-with version 3.0. You may want either to\n\
-copy it from "), mc_home, _("mc.ext or use that\n\
-file as an example of how to write it.\n\
-"), mc_home, _("mc.ext will be used for this moment."), 0);
- message (1, msg, msg2);
- free (msg);
- free (msg2);
- }
- free (buffer);
- }
- mc_stat (filename, &mystat);
-
- if (regex_command_title){
- free (regex_command_title);
- regex_command_title = NULL;
- }
- old_patterns = easy_patterns;
- easy_patterns = 0; /* Real regular expressions are needed :) */
- include_target = NULL;
- for (p = data; *p; p++) {
- for (q = p; *q == ' ' || *q == '\t'; q++)
- ;
- if (*q == '\n' || !*q)
- p = q; /* empty line */
- if (*p == '#') /* comment */
- while (*p && *p != '\n')
- p++;
- if (*p == '\n')
- continue;
- if (!*p)
- break;
- if (p == q) { /* i.e. starts in the first column, should be
- * keyword/descNL
- */
- if (found && action == NULL) /* We have already accumulated all
- * the user actions
- */
- break;
- found = 0;
- q = strchr (p, '\n');
- if (q == NULL)
- q = strchr (p, 0);
- c = *q;
- *q = 0;
- if (include_target){
- if ((strncmp (p, "include/", 8) == 0) &&
- (strncmp (p+8, include_target, include_target_len) == 0))
- found = 1;
- } else if (!strncmp (p, "regex/", 6)) {
- p += 6;
- /* Do not transform shell patterns, you can use shell/ for
- * that
- */
- if (regexp_match (p, filename, match_normal))
- found = 1;
- } else if (!strncmp (p, "directory/", 10)) {
- if (S_ISDIR (mystat.st_mode) && regexp_match (p+10, filename, match_normal))
- found = 1;
- } else if (!strncmp (p, "shell/", 6)) {
- p += 6;
- if (*p == '.') {
- if (!strncmp (p, filename + file_len - (q - p),
- q - p))
- found = 1;
- } else {
- if (q - p == file_len && !strncmp (p, filename, q - p))
- found = 1;
- }
- } else if (!strncmp (p, "type/", 5)) {
- int islocal = vfs_file_is_local (filename);
- p += 5;
-
- if (islocal || file_supports_stdin) {
- char *pp;
- int hasread = use_file_to_check_type;
-
- if (asked_file || !use_file_to_check_type)
- goto match_file_output;
-
- hasread = 0;
- if (islocal) {
- char *tmp = name_quote (filename, 0);
- char *command =
- copy_strings (FILE_CMD, tmp, NULL);
- FILE *f = popen (command, "r");
-
- free (tmp);
- free (command);
- if (f != NULL) {
- hasread = (fgets (content_string, 2047, f)
- != NULL);
- if (!hasread)
- content_string [0] = 0;
- pclose (f);
-#ifdef SCO_FLAVOR
- /*
- ** SCO 3.2 does has a buggy pclose(), so
- ** <command> become zombie (alex)
- */
- waitpid(-1,NULL,WNOHANG);
-#endif /* SCO_FLAVOR */
- }
- } else {
-#ifdef _OS_NT
- message (1, " Win32 ", " Unimplemented file prediction ");
-#else
- int pipehandle, remotehandle;
- pid_t p;
-
- remotehandle = mc_open (filename, O_RDONLY);
- if (remotehandle != -1) {
- /* 8192 is HOWMANY hardcoded value in the file-3.14
- * sources. Tell me if any other file uses larger
- * chunk from beginning
- */
- pipehandle = mc_doublepopen
- (remotehandle, 8192, &p,"file", "file", "-", NULL);
- if (pipehandle != -1) {
- int i;
- while ((i = read (pipehandle, content_string
- + hasread, 2047 - hasread)) > 0)
- hasread += i;
- mc_doublepclose (pipehandle, p);
- content_string [hasread] = 0;
- }
- mc_close (remotehandle);
- }
-#endif /* _OS_NT */
- }
- asked_file = 1;
-match_file_output:
- if (hasread) {
- if ((pp = strchr (content_string, '\n')) != 0)
- *pp = 0;
- if (islocal && !strncmp (content_string,
- filename, file_len)) {
- content_shift = file_len;
- if (content_string [content_shift] == ':')
- for (content_shift++;
- content_string [content_shift] == ' ';
- content_shift++);
- } else if (!islocal
- && !strncmp (content_string,
- "standard input:", 15)) {
- for (content_shift = 15;
- content_string [content_shift] == ' ';
- content_shift++);
- }
- if (content_string &&
- regexp_match (p, content_string +
- content_shift, match_normal)){
- found = 1;
- }
- }
- }
- } else if (!strncmp (p, "default/", 8)) {
- p += 8;
- found = 1;
- }
- *q = c;
- p = q;
- if (!*p)
- break;
- } else { /* List of actions */
- p = q;
- q = strchr (p, '\n');
- if (q == NULL)
- q = strchr (p, 0);
- if (found) {
- r = strchr (p, '=');
- if (r != NULL) {
- c = *r;
- *r = 0;
- if (strcmp (p, "Include") == 0){
- char *t;
-
- include_target = p + 8;
- t = strchr (include_target, '\n');
- if (t) *t = 0;
- include_target_len = strlen (include_target);
- if (t) *t = '\n';
-
- *r = c;
- p = q;
- found = 0;
-
- if (!*p)
- break;
- continue;
- }
- if (action == NULL) {
- if (strcmp (p, "Open") &&
- strcmp (p, "View") &&
- strcmp (p, "Edit") &&
- strcmp (p, "Drop") &&
- strcmp (p, "Icon") &&
- strcmp (p, "Include") &&
- strcmp (p, "Title")) {
- /* I.e. this is a name of a user defined action */
- static char *q;
-
- if (to_return == NULL) {
- to_return = xmalloc (512, "Action list");
- q = to_return;
- } else
- *(q++) = '='; /* Mark separator */
- strcpy (q, p);
- q = strchr (q, 0);
- }
- *r = c;
- } else if (!strcmp (action, "Icon")) {
- if (!strcmp (p, "Icon") && to_return == NULL) {
- *r = c;
- c = *q;
- *q = 0;
- to_return = strdup (r + 1);
- } else if (!strcmp (p, "Title") && regex_command_title == NULL) {
- *r = c;
- c = *q;
- *q = 0;
- regex_command_title = strdup (r + 1);
- } else {
- *r = c;
- c = *q;
- }
- *q = c;
- if (to_return != NULL && regex_command_title != NULL)
- break;
- } else if (!strcmp (action, p)) {
- *r = c;
- for (p = r + 1; *p == ' ' || *p == '\t'; p++)
- ;
-
- /* Empty commands just stop searching
- * through, they don't do anything
- *
- * We need to copy the filename because exec_extension
- * may end up invoking update_panels thus making the
- * filename parameter invalid (ie, most of the time,
- * we get filename as a pointer from cpanel->dir).
- */
- if (p < q) {
- char *filename_copy = strdup (filename);
- exec_extension (filename_copy, r + 1, drops, move_dir, view_at_line_number);
- free (filename_copy);
-
- to_return = "Success";
- }
- break;
- } else
- *r = c;
- }
- }
- p = q;
- if (!*p)
- break;
- }
- }
- easy_patterns = old_patterns;
- return to_return;
-}
projects / reactos.git / blobdiff