957bdf511e
1. Use new dialog menu hacks (no strings, just arrays of dialogMenuItem structs) so that I can create composite menus with radio/checkbox/... items in them, removing some long-standing UI bogons in various menus. This work isn't finished yet, but will be done in two phases. This is phase one. 2. Remove all the script installation stuff. I never got time to document it, it was arcane and it just complicated much of the code. There are better ways of doing this if I want to do auto-driven installations later. 3. Remove much dead code and otherwise attempt to remove as much historical grot as possible so that this code is easier to hack on. This is also a two-stage process, phase one of which is now complete.
487 lines
14 KiB
C
487 lines
14 KiB
C
/*
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* The new sysinstall program.
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*
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* This is probably the last program in the `sysinstall' line - the next
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* generation being essentially a complete rewrite.
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*
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* $Id: anonFTP.c,v 1.9 1996/03/23 07:21:28 jkh Exp $
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*
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* Copyright (c) 1995
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* Coranth Gryphon. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer,
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* verbatim and that no modifications are made prior to this
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* point in the file.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Coranth Gryphon
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* for the FreeBSD Project.
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* 4. The name of Coranth Gryphon or the FreeBSD project may not be used to
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* endorse or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY CORANTH GRYPHON ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL CORANTH GRYPHON OR HIS PETS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, LIFE OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <sys/param.h>
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#include <string.h>
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#include <dialog.h>
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#include <sys/types.h>
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#include <pwd.h>
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#include <grp.h>
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#include "ui_objects.h"
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#include "dir.h"
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#include "dialog.priv.h"
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#include "colors.h"
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#include "sysinstall.h"
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/* This doesn't change until FTP itself changes */
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#define FTP_NAME "ftp"
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#define MOTD_FILE "ftpmotd"
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/* These change if we want to use different defaults */
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#define FTP_UID 14
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#define FTP_GID 5
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#define FTP_GROUP "operator"
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#define FTP_UPLOAD "incoming"
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#define FTP_COMMENT "Anonymous FTP Admin"
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#define FTP_HOMEDIR "/var/ftp"
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#define ANONFTP_HELPFILE "anonftp"
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/* Set up the structure to hold configuration information */
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/* Note that this is only what we could fit onto the one screen */
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typedef struct
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{
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char homedir[64]; /* Home Dir for Anon FTP */
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char group[32]; /* Group */
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char uid[8]; /* UID */
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char comment[64]; /* PWD Comment */
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char upload[32]; /* Upload Dir */
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} FTPConf;
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static FTPConf tconf;
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#define ANONFTP_HOMEDIR_LEN 64
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#define ANONFTP_COMMENT_LEN 64
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#define ANONFTP_UPLOAD_LEN 32
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#define ANONFTP_GROUP_LEN 32
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#define ANONFTP_UID_LEN 8
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static int okbutton, cancelbutton;
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/* What the screen size is meant to be */
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#define ANONFTP_DIALOG_Y 0
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#define ANONFTP_DIALOG_X 8
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#define ANONFTP_DIALOG_WIDTH COLS - 16
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#define ANONFTP_DIALOG_HEIGHT LINES - 2
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/* The screen layout structure */
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typedef struct _layout {
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int y; /* x & Y co-ordinates */
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int x;
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int len; /* The size of the dialog on the screen */
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int maxlen; /* How much the user can type in ... */
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char *prompt; /* The string for the prompt */
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char *help; /* The display for the help line */
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void *var; /* The var to set when this changes */
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int type; /* The type of the dialog to create */
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void *obj; /* The obj pointer returned by libdialog */
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} Layout;
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static Layout layout[] = {
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{ 2, 3, 8, ANONFTP_UID_LEN - 1,
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"UID:", "What user ID to assign to FTP Admin",
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tconf.uid, STRINGOBJ, NULL },
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#define LAYOUT_UID 1
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{ 2, 15, 15, ANONFTP_GROUP_LEN - 1,
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"Group:", "Group name that ftp process belongs to",
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tconf.group, STRINGOBJ, NULL },
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#define LAYOUT_GROUP 2
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{ 2, 35, 24, ANONFTP_COMMENT_LEN - 1,
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"Comment:", "Password file comment for FTP Admin",
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tconf.comment, STRINGOBJ, NULL },
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#define LAYOUT_COMMENT 3
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{ 9, 10, 43, ANONFTP_HOMEDIR_LEN - 1,
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"FTP Root Directory:",
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"The top directory to chroot to when doing anonymous ftp",
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tconf.homedir, STRINGOBJ, NULL },
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#define LAYOUT_HOMEDIR 4
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{ 14, 20, 22, ANONFTP_UPLOAD_LEN - 1,
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"Upload Subdirectory:", "Designated sub-directory that holds uploads",
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tconf.upload, STRINGOBJ, NULL },
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#define LAYOUT_UPLOAD 5
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{ 19, 15, 0, 0,
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"OK", "Select this if you are happy with these settings",
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&okbutton, BUTTONOBJ, NULL },
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#define LAYOUT_OKBUTTON 6
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{ 19, 35, 0, 0,
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"CANCEL", "Select this if you wish to cancel this screen",
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&cancelbutton, BUTTONOBJ, NULL },
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#define LAYOUT_CANCELBUTTON 7
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{ NULL },
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};
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int
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createFtpUser(void)
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{
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struct passwd *tpw;
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struct group *tgrp;
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char pwline[256];
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char *tptr;
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int gid;
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FILE *fptr;
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if ((gid = atoi(tconf.group)) <= 0) {
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if (!(tgrp = getgrnam(tconf.group))) {
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/* group does not exist, create it by name */
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tptr = msgGetInput("14", "What group ID to use for group %s ?", tconf.group);
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if (tptr && *tptr && ((gid = atoi(tptr)) > 0)) {
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if ((fptr = fopen(_PATH_GROUP,"a"))) {
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fprintf(fptr,"%s:*:%d:%s\n",tconf.group,gid,FTP_NAME);
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fclose(fptr);
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}
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}
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else
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gid = FTP_GID;
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}
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else
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gid = tgrp->gr_gid;
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}
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else if (!getgrgid(gid)) {
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/* group does not exist, create it by number */
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tptr = msgGetInput("14", "What group name to use for gid %d ?", gid);
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if (tptr && *tptr) {
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strcpy(tconf.group, tptr);
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if ((tgrp = getgrnam(tconf.group))) {
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gid = tgrp->gr_gid;
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}
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else if ((fptr = fopen(_PATH_GROUP,"a"))) {
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fprintf(fptr,"%s:*:%d:%s\n",tconf.group,gid,FTP_NAME);
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fclose(fptr);
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}
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}
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}
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if ((tpw = getpwnam(FTP_NAME))) {
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if (tpw->pw_uid != FTP_UID)
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msgConfirm("FTP user already exists with a different uid.");
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return (RET_SUCCESS); /* succeeds if already exists */
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}
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sprintf(pwline, "%s::%s:%d::0:0:%s:%s:/bin/date\n", FTP_NAME, tconf.uid, gid, tconf.comment, tconf.homedir);
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fptr = fopen(_PATH_MASTERPASSWD,"a");
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if (! fptr) {
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msgConfirm("Could not open master password file.");
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return (RET_FAIL);
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}
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fprintf(fptr, pwline);
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fclose(fptr);
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msgNotify("Remaking password file: %s", _PATH_MASTERPASSWD);
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vsystem("pwd_mkdb -p %s", _PATH_MASTERPASSWD);
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return (RET_SUCCESS);
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}
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/* This is it - how to get the setup values */
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int
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anonftpOpenDialog(void)
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{
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WINDOW *ds_win;
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ComposeObj *obj = NULL;
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ComposeObj *first, *last;
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int n=0, quit=FALSE, cancel=FALSE, ret;
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int max;
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char help[FILENAME_MAX];
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char title[80];
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/* We need a curses window */
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ds_win = newwin(LINES, COLS, 0, 0);
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if (ds_win == 0) {
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beep();
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msgConfirm("Cannot open anonymous ftp dialog window!!");
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return(RET_FAIL);
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}
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/* Say where our help comes from */
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systemHelpFile(ANONFTP_HELPFILE, help);
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use_helpfile(help);
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/* Setup a nice screen for us to splat stuff onto */
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draw_box(ds_win, ANONFTP_DIALOG_Y, ANONFTP_DIALOG_X, ANONFTP_DIALOG_HEIGHT, ANONFTP_DIALOG_WIDTH, dialog_attr, border_attr);
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wattrset(ds_win, dialog_attr);
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mvwaddstr(ds_win, ANONFTP_DIALOG_Y, ANONFTP_DIALOG_X + 20, " Anonymous FTP Configuration ");
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draw_box(ds_win, ANONFTP_DIALOG_Y + 7, ANONFTP_DIALOG_X + 8, ANONFTP_DIALOG_HEIGHT - 11, ANONFTP_DIALOG_WIDTH - 17,
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dialog_attr, border_attr);
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wattrset(ds_win, dialog_attr);
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sprintf(title, " Path Configuration ");
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mvwaddstr(ds_win, ANONFTP_DIALOG_Y + 7, ANONFTP_DIALOG_X + 22, title);
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/** Initialize the config Data Structure **/
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bzero(&tconf, sizeof(tconf));
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strcpy(tconf.group, FTP_GROUP);
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strcpy(tconf.upload, FTP_UPLOAD);
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strcpy(tconf.comment, FTP_COMMENT);
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strcpy(tconf.homedir, FTP_HOMEDIR);
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sprintf(tconf.uid, "%d", FTP_UID);
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/* Loop over the layout list, create the objects, and add them
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onto the chain of objects that dialog uses for traversal*/
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n = 0;
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#define lt layout[n]
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while (lt.help != NULL) {
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switch (lt.type) {
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case STRINGOBJ:
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lt.obj = NewStringObj(ds_win, lt.prompt, lt.var,
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lt.y + ANONFTP_DIALOG_Y, lt.x + ANONFTP_DIALOG_X,
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lt.len, lt.maxlen);
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break;
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case BUTTONOBJ:
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lt.obj = NewButtonObj(ds_win, lt.prompt, lt.var,
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lt.y + ANONFTP_DIALOG_Y, lt.x + ANONFTP_DIALOG_X);
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break;
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default:
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msgFatal("Don't support this object yet!");
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}
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AddObj(&obj, lt.type, (void *) lt.obj);
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n++;
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}
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max = n - 1;
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/* Find the last object we can traverse to */
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last = obj;
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while (last->next)
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last = last->next;
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/* Find the first object in the list */
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first = obj;
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while (first->prev)
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first = first->prev;
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/* Some more initialisation before we go into the main input loop */
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n = 0;
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cancelbutton = 0;
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cancel = FALSE;
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okbutton = 0;
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/* Incoming user data - DUCK! */
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while (!quit) {
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char help_line[80];
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int i, len = strlen(lt.help);
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/* Display the help line at the bottom of the screen */
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for (i = 0; i < 79; i++)
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help_line[i] = (i < len) ? lt.help[i] : ' ';
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help_line[i] = '\0';
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use_helpline(help_line);
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display_helpline(ds_win, LINES - 1, COLS - 1);
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/* Ask for libdialog to do its stuff */
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ret = PollObj(&obj);
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/* Handle special case stuff that libdialog misses. Sigh */
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switch (ret) {
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/* Bail out */
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case SEL_ESC:
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quit = TRUE, cancel=TRUE;
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break;
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/* This doesn't work for list dialogs. Oh well. Perhaps
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should special case the move from the OK button ``up''
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to make it go to the interface list, but then it gets
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awkward for the user to go back and correct screw up's
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in the per-interface section */
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case KEY_UP:
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if (obj->prev !=NULL ) {
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obj = obj->prev;
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--n;
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} else {
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obj = last;
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n = max;
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}
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break;
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case KEY_DOWN:
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if (obj->next != NULL) {
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obj = obj->next;
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++n;
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} else {
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obj = first;
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n = 0;
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}
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break;
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case SEL_TAB:
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if (n < max)
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++n;
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else
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n = 0;
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break;
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/* The user has pressed enter over a button object */
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case SEL_BUTTON:
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quit = TRUE;
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if (cancelbutton)
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cancel = TRUE;
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break;
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/* Generic CR handler */
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case SEL_CR:
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if (n < max)
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++n;
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else
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n = 0;
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break;
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case SEL_BACKTAB:
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if (n)
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--n;
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else
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n = max;
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break;
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case KEY_F(1):
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display_helpfile();
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/* They tried some key combination we don't support - tell them! */
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default:
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beep();
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}
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}
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/* Clear this crap off the screen */
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dialog_clear();
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refresh();
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use_helpfile(NULL);
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if (cancel)
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return RET_FAIL;
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return RET_SUCCESS;
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}
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int
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configAnonFTP(dialogMenuItem *self)
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{
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int i;
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/* Be optimistic */
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i = RET_SUCCESS;
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dialog_clear();
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i = anonftpOpenDialog();
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if (i != RET_SUCCESS) {
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dialog_clear();
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msgConfirm("Configuration of Anonymous FTP cancelled per user request.");
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return i;
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}
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/*** Use defaults for any invalid values ***/
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if (atoi(tconf.uid) <= 0)
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sprintf(tconf.uid, "%d", FTP_UID);
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if (!tconf.group[0])
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strcpy(tconf.group, FTP_GROUP);
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if (!tconf.upload[0])
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strcpy(tconf.upload, FTP_UPLOAD);
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/*** If the user did not specify a directory, use default ***/
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if (tconf.homedir[strlen(tconf.homedir)-1] == '/')
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tconf.homedir[strlen(tconf.homedir)-1] = '\0';
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if (!tconf.homedir[0])
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strcpy(tconf.homedir, FTP_HOMEDIR);
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/*** If HomeDir does not exist, create it ***/
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if (!directory_exists(tconf.homedir)) {
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vsystem("mkdir -p %s" ,tconf.homedir);
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}
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if (directory_exists(tconf.homedir)) {
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msgNotify("Configuring %s for use by anon FTP.", tconf.homedir);
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vsystem("chmod 555 %s && chown root.%s %s", tconf.homedir, tconf.group, tconf.homedir);
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vsystem("mkdir %s/bin && chmod 555 %s/bin", tconf.homedir, tconf.homedir);
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vsystem("cp /bin/ls %s/bin && chmod 111 %s/bin/ls", tconf.homedir, tconf.homedir);
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vsystem("cp /bin/date %s/bin && chmod 111 %s/bin/date", tconf.homedir, tconf.homedir);
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vsystem("mkdir %s/etc && chmod 555 %s/etc", tconf.homedir, tconf.homedir);
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vsystem("mkdir -p %s/pub", tconf.homedir);
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vsystem("mkdir -p %s/%s", tconf.homedir, tconf.upload);
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vsystem("chmod 1777 %s/%s", tconf.homedir, tconf.upload);
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if (createFtpUser() == RET_SUCCESS) {
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msgNotify("Copying password information for anon FTP.");
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vsystem("cp /etc/pwd.db %s/etc && chmod 444 %s/etc/pwd.db", tconf.homedir, tconf.homedir);
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vsystem("cp /etc/passwd %s/etc && chmod 444 %s/etc/passwd",tconf.homedir, tconf.homedir);
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vsystem("cp /etc/group %s/etc && chmod 444 %s/etc/group", tconf.homedir, tconf.homedir);
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vsystem("chown -R %s.%s %s/pub", FTP_NAME, tconf.group, tconf.homedir);
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}
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else {
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dialog_clear();
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msgConfirm("Unable to create FTP user! Anonymous FTP setup failed.");
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i = RET_FAIL;
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}
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dialog_clear();
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if (!msgYesNo("Create a welcome message file for anonymous FTP users?")) {
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char cmd[256];
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dialog_clear();
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msgNotify("Uncompressing the editor - please wait..");
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vsystem("echo Your welcome message here. > %s/etc/%s", tconf.homedir, MOTD_FILE);
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sprintf(cmd, "%s %s/etc/%s", variable_get(VAR_EDITOR), tconf.homedir, MOTD_FILE);
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systemExecute(cmd);
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}
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}
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else {
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dialog_clear();
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msgConfirm("Invalid Directory: %s\n"
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"Anonymous FTP will not be set up.", tconf.homedir);
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i = RET_FAIL;
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}
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return i;
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}
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