398 lines
9.7 KiB
C
398 lines
9.7 KiB
C
/*****************************************************************************
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*
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* $Id$
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* Purpose ...............: User Pack Util
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*
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*****************************************************************************
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* Copyright (C) 1997-2004
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*
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* Michiel Broek FIDO: 2:280/2802
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* Beekmansbos 10
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* 1971 BV IJmuiden
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* the Netherlands
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*
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* This file is part of MBSE BBS.
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*
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* This BBS is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2, or (at your option) any
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* later version.
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*
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* MBSE BBS is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with MBSE BBS; see the file COPYING. If not, write to the Free
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* Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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*****************************************************************************/
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#include "../config.h"
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#include "../lib/mbselib.h"
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#include "../lib/users.h"
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#include "../lib/mbsedb.h"
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#include "mbuser.h"
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extern int e_pid; /* External pid */
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extern int do_quiet; /* Quiet flag */
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time_t t_start; /* Start time */
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time_t t_end; /* End time */
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int Days, Level; /* Kill days and up to level */
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struct userhdr usrhdr; /* Database header */
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struct userrec usr; /* Database record */
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mode_t oldmask; /* Old umask value */
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int main(int argc, char **argv)
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{
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int i, pack = FALSE;
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char *cmd;
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struct passwd *pw;
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InitConfig();
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mbse_TermInit(1, 80, 24);
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Days = 0;
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Level = 0;
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t_start = time(NULL);
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if (argc < 2)
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Help();
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cmd = xstrcpy((char *)"Command line:");
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for (i = 1; i < argc; i++) {
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cmd = xstrcat(cmd, (char *)" ");
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cmd = xstrcat(cmd, tl(argv[i]));
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if (strncasecmp(tl(argv[i]), "-q", 2) == 0)
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do_quiet = TRUE;
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if (strncasecmp(tl(argv[i]), "p", 1) == 0)
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pack = TRUE;
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if (strncasecmp(tl(argv[i]), "k", 1) == 0) {
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if (argc <= (i + 2))
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Help();
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i++;
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cmd = xstrcat(cmd, (char *)" ");
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cmd = xstrcat(cmd, argv[i]);
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Days = atoi(argv[i]);
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i++;
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cmd = xstrcat(cmd, (char *)" ");
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cmd = xstrcat(cmd, argv[i]);
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Level = atoi(argv[i]);
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if ((Days == 0) || (Level == 0))
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Help();
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}
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}
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if ((Days + Level + pack) == 0)
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Help();
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ProgName();
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pw = getpwuid(getuid());
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InitClient(pw->pw_name, (char *)"mbuser", CFG.location, CFG.logfile,
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CFG.util_loglevel, CFG.error_log, CFG.mgrlog, CFG.debuglog);
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Syslog(' ', " ");
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Syslog(' ', "MBUSER v%s", VERSION);
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Syslog(' ', cmd);
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free(cmd);
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if (enoughspace(CFG.freespace) == 0)
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ExitClient(MBERR_DISK_FULL);
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if (lockprogram((char *)"mbuser")) {
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if (!do_quiet)
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printf("Can't lock mbuser, abort.\n");
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ExitClient(MBERR_NO_PROGLOCK);
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}
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oldmask = umask(027);
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if (!do_quiet)
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mbse_colour(3, 0);
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UserPack(Days, Level, pack);
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umask(oldmask);
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ulockprogram((char *)"mbuser");
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t_end = time(NULL);
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Syslog(' ', "MBUSER finished in %s", t_elapsed(t_start, t_end));
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if (!do_quiet)
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mbse_colour(7, 0);
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ExitClient(MBERR_OK);
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return 0;
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}
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/*
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* Program header
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*/
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void ProgName(void)
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{
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if (do_quiet)
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return;
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mbse_colour(15, 0);
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printf("\nMBUSER: MBSE BBS %s - User maintenance utility\n", VERSION);
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mbse_colour(14, 0);
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printf(" %s\n\n", COPYRIGHT);
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mbse_colour(7, 0);
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}
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void Help(void)
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{
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do_quiet = FALSE;
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ProgName();
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mbse_colour(11, 0);
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printf("\nUsage: mbuser [commands] <options>\n\n");
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mbse_colour(9, 0);
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printf(" Commands are:\n\n");
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mbse_colour(3, 0);
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printf(" kill [n] [l] Kill users not called in \"n\" days below level \"l\"\n");
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printf(" pack Pack the userbase\n");
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mbse_colour(9, 0);
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printf("\n Options are:\n\n");
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mbse_colour(3, 0);
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printf(" -quiet Quiet mode, (no screen output)\n\n");
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mbse_colour(7, 0);
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printf("\n");
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ExitClient(MBERR_COMMANDLINE);
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}
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/*
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* Userpack routine
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*/
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void UserPack(int days, int level, int pack)
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{
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FILE *fin, *fout;
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char *fnin, *fnout;
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long oldsize, curpos;
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int updated, delete = 0, rc, highest = 0, record = 0, sysop = FALSE;
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time_t Last;
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char *cmd;
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fnin = calloc(PATH_MAX, sizeof(char));
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fnout = calloc(PATH_MAX, sizeof(char));
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sprintf(fnin, "%s/etc/users.data", getenv("MBSE_ROOT"));
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sprintf(fnout, "%s/etc/users.temp", getenv("MBSE_ROOT"));
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/*
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* First copy the users database, all packing will be done
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* on a the copy.
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*/
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if ((fin = fopen(fnin, "r")) == NULL) {
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WriteError("Can't open %s", fnin);
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free(fnin);
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free(fnout);
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return;
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}
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if ((fout = fopen(fnout, "w+")) == NULL) {
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WriteError("Can't create %s", fnout);
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fclose(fin);
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free(fnin);
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free(fnout);
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return;
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}
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fread(&usrhdr, sizeof(usrhdr), 1, fin);
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oldsize = usrhdr.recsize;
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updated = FALSE;
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/*
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* First count records and blanks at the end. Check if the sysop name
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* in the main configuration exists in the userdatabase.
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*/
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while (fread(&usr, oldsize, 1,fin) == 1) {
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delete++;
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if (!usr.Deleted && strlen(usr.sUserName)) {
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highest = (ftell(fin) / oldsize);
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if (!strcmp(usr.sUserName, CFG.sysop_name) && !strcmp(usr.Name, CFG.sysop))
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sysop = TRUE;
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}
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}
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if (highest != delete) {
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Syslog('+', "Blank records at the end, truncating userbase");
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updated = TRUE;
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}
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if (!sysop)
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WriteError("No valid Sysop Fidoname and/or Unixname found in userbase, check setup!");
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fseek(fin, usrhdr.hdrsize, SEEK_SET);
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if (oldsize != sizeof(usr)) {
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updated = TRUE;
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Syslog('+', "Userbase recordsize is changed, making update");
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}
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usrhdr.hdrsize = sizeof(usrhdr);
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usrhdr.recsize = sizeof(usr);
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fwrite(&usrhdr, sizeof(usrhdr), 1, fout);
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/*
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* The datarecord is filled with zero's before each read
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* so that if the record format changed, the new fields will
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* be empty by default. The blank records at the end of the
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* database are dropped.
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*/
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memset(&usr, 0, sizeof(usr));
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while (fread(&usr, oldsize, 1,fin) == 1) {
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record++;
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fwrite(&usr, sizeof(usr), 1, fout);
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memset(&usr, 0, sizeof(usr));
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if (CFG.slow_util && do_quiet)
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msleep(1);
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Nopper();
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}
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fclose(fin);
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delete = 0;
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/*
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* Handle packing for days below level
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*/
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if ((days) && (level)) {
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fseek(fout, sizeof(usrhdr), SEEK_SET);
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curpos = sizeof(usrhdr);
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while (fread(&usr, sizeof(usr), 1, fout) == 1) {
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/*
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* New users don't have the last login date set yet,
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* use the registration date instead.
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*/
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if (usr.iTotalCalls == 0)
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Last = usr.tFirstLoginDate;
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else
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Last = usr.tLastLoginDate;
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/*
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* Wow, killing on the second exact!. Don't kill
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* the guest accounts.
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*/
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if ((((t_start - Last) / 86400) > days) &&
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(usr.Security.level < level) && (!usr.Guest) &&
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(usr.sUserName[0] != '\0') && (!usr.NeverDelete)) {
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Syslog('+', "Mark user %s", usr.sUserName);
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if (!do_quiet) {
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printf("Mark user %s\n", usr.sUserName);
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fflush(stdout);
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}
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delete++;
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updated = TRUE;
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fseek(fout, - sizeof(usr), SEEK_CUR);
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/*
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* Just mark for deletion
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*/
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usr.Deleted = TRUE;
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fwrite(&usr, sizeof(usr), 1, fout);
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}
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if (CFG.slow_util && do_quiet)
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msleep(1);
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}
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Syslog('+', "Marked %d users to delete", delete);
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}
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/*
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* Pack the userbase if told so
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*/
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if (pack) {
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Syslog('+', "Packing userbase");
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delete = 0;
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fseek(fout, sizeof(usrhdr), SEEK_SET);
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while (fread(&usr, sizeof(usr), 1, fout) == 1) {
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if (CFG.slow_util && do_quiet)
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msleep(1);
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Nopper();
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if (usr.Deleted) {
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if (!do_quiet) {
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printf("Delete user %s\n", usr.Name);
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fflush(stdout);
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}
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if (usr.Name[0] != '\0') {
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if ((setuid(0) == -1) || (setgid(0) == -1)) {
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WriteError("Cannot setuid(root) or setgid(root)");
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WriteError("Cannot delete unix account %s", usr.Name);
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} else {
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#ifndef __FreeBSD__
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rc = execute_str((char *)"/usr/sbin/userdel ", usr.Name, NULL,
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(char *)"/dev/null",(char *)"/dev/null",(char *)"/dev/null");
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#else
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rc = execute_str((char *)"/usr/sbin/pw userdel ", usr.Name, NULL,
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(char *)"/dev/null",(char *)"/dev/null",(char *)"/dev/null");
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#endif
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#ifdef _VPOPMAIL_PATH
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cmd = xstrcpy((char *)_VPOPMAIL_PATH);
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cmd = xstrcat(cmd, (char *)"/vdeluser ");
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rc = execute_str(cmd, usr.Name, NULL,
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(char *)"/dev/null",(char *)"/dev/null",(char *)"/dev/null");
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free(cmd);
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#endif
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if (chdir(CFG.bbs_usersdir) == 0) {
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cmd = xstrcpy((char *)"-Rf ");
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cmd = xstrcat(cmd, usr.Name);
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rc = execute_pth((char *)"rm", cmd,
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(char *)"/dev/null",(char *)"/dev/null",(char *)"/dev/null");
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free(cmd);
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}
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}
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}
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fseek(fout, - sizeof(usr), SEEK_CUR);
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/*
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* Blank the deleted records for reuse.
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*/
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memset(&usr, 0, sizeof(usr));
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fwrite(&usr, sizeof(usr), 1, fout);
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delete++;
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updated = TRUE;
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}
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}
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Syslog('+', "Deleted %d records", delete);
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}
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if (updated) {
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/*
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* Copy file back to the original file, truncate any
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* deleted records at the end.
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*/
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fseek(fout, 0, SEEK_SET);
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if ((fin = fopen(fnin, "w")) == NULL) {
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WriteError("Can't open %s", fnin);
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free(fnin);
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free(fnout);
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return;
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}
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fread(&usrhdr, sizeof(usrhdr), 1, fout);
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fwrite(&usrhdr, sizeof(usrhdr), 1, fin);
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record = 0;
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while (fread(&usr, sizeof(usr), 1,fout) == 1) {
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Nopper();
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record++;
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fwrite(&usr, sizeof(usr), 1, fin);
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if (record >= highest)
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break;
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}
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fclose(fin);
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fclose(fout);
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chmod(fnin, 0660);
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Syslog('+', "Userbase is updated, written %d records", record);
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} else {
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fclose(fout);
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}
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unlink(fnout);
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free(fnin);
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free(fnout);
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}
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