75fb26219b
Now we know which variables are internal and which need to be backed to /etc/rc.conf.site. rc.conf is not touched now. Also kget kernel change information back properly and set up a loader.rc file to use it.
317 lines
10 KiB
C
317 lines
10 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 1.23 1997/04/02 12:07:18 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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* Copyright (c) 1996
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* Jordan K. Hubbard. 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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``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 THE AUTHORS OR THEIR 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 "sysinstall.h"
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#include <sys/param.h>
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#include <pwd.h>
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#include <grp.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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static Layout layout[] = {
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#define LAYOUT_UID 0
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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_GROUP 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_COMMENT 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_HOMEDIR 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_UPLOAD 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_OKBUTTON 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_CANCELBUTTON 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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{ 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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SAFE_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 DITEM_SUCCESS; /* succeeds if already exists */
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}
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sprintf(pwline, "%s:*:%s:%d::0:0:%s:%s:/nonexistent\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 DITEM_FAILURE;
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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 DITEM_SUCCESS;
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}
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/* This is it - how to get the setup values */
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static 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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int n = 0, cancel = FALSE;
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int max;
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char title[80];
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/* We need a curses window */
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if (!(ds_win = openLayoutDialog(ANONFTP_HELPFILE, " Anonymous FTP Configuration ",
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ANONFTP_DIALOG_X, ANONFTP_DIALOG_Y, ANONFTP_DIALOG_WIDTH, ANONFTP_DIALOG_HEIGHT))) {
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beep();
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msgConfirm("Cannot open anonymous ftp dialog window!!");
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return DITEM_FAILURE;
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}
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/* Draw a sub-box for the path configuration */
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draw_box(ds_win, ANONFTP_DIALOG_Y + 7, ANONFTP_DIALOG_X + 8,
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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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SAFE_STRCPY(tconf.group, FTP_GROUP);
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SAFE_STRCPY(tconf.upload, FTP_UPLOAD);
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SAFE_STRCPY(tconf.comment, FTP_COMMENT);
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SAFE_STRCPY(tconf.homedir, FTP_HOMEDIR);
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sprintf(tconf.uid, "%d", FTP_UID);
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/* Some more initialisation before we go into the main input loop */
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obj = initLayoutDialog(ds_win, layout, ANONFTP_DIALOG_X, ANONFTP_DIALOG_Y, &max);
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cancelbutton = okbutton = 0;
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while (layoutDialogLoop(ds_win, layout, &obj, &n, max, &cancelbutton, &cancel));
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/* Clear this crap off the screen */
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delwin(ds_win);
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dialog_clear_norefresh();
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use_helpfile(NULL);
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if (cancel)
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return DITEM_FAILURE;
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return DITEM_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 = DITEM_SUCCESS;
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dialog_clear_norefresh();
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i = anonftpOpenDialog();
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if (DITEM_STATUS(i) != DITEM_SUCCESS) {
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msgConfirm("Configuration of Anonymous FTP cancelled per user request.");
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return i | DITEM_RESTORE;
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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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SAFE_STRCPY(tconf.group, FTP_GROUP);
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if (!tconf.upload[0])
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SAFE_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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SAFE_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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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 (DITEM_STATUS(createFtpUser()) == DITEM_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 root.%s %s/pub", tconf.group, tconf.homedir);
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}
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else {
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msgConfirm("Unable to create FTP user! Anonymous FTP setup failed.");
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i = DITEM_FAILURE;
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}
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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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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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if (!systemExecute(cmd))
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i = DITEM_SUCCESS;
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else
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i = DITEM_FAILURE;
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}
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}
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else {
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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 = DITEM_FAILURE;
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}
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if (DITEM_STATUS(i) == DITEM_SUCCESS)
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variable_set2("anon_ftp", "YES", 0);
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return i | DITEM_RESTORE;
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}
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