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sysadm |
1.1 |
/*
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* Copyright (C) 1999 Ross Combs (rocombs@cs.nmsu.edu)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU 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 this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "common/setup_before.h"
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#ifdef HAVE_STDDEF_H
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# include <stddef.h>
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#else
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# ifndef NULL
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# define NULL ((void *)0)
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# endif
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#endif
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#ifdef STDC_HEADERS
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# include <stdlib.h>
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#endif
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#include <stdio.h>
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#include "compat/exitstatus.h"
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#include <ctype.h>
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#ifdef HAVE_STRING_H
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# include <string.h>
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#else
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# ifdef HAVE_STRINGS_H
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# include <strings.h>
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# endif
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#endif
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#include "common/eventlog.h"
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#include "common/bnethash.h"
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#include "common/version.h"
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#include "common/setup_after.h"
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static void usage(char const * progname)
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{
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fprintf(stderr,
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"usage: %s [<options>] [--] [<cleartextpassword>]\n"
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" -h, --help, --usage show this information and exit\n"
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" -v, --version print version number and exit\n",progname);
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exit(STATUS_FAILURE);
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}
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extern int main(int argc, char * argv[])
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{
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char const * pass=NULL;
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int a;
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int forcepass=0;
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if (argc<1 || !argv || !argv[0])
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{
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fprintf(stderr,"bad arguments\n");
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return STATUS_FAILURE;
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}
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for (a=1; a<argc; a++)
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if (forcepass && !pass)
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pass = argv[a];
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else if (strcmp(argv[a],"-")==0 && !pass)
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pass = argv[a];
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else if (argv[a][0]!='-' && !pass)
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pass = argv[a];
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else if (forcepass || argv[a][0]!='-' || strcmp(argv[a],"-")==0)
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{
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fprintf(stderr,"%s: extra password argument \"%s\"\n",argv[0],argv[a]);
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usage(argv[0]);
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}
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else if (strcmp(argv[a],"--")==0)
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forcepass = 1;
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else if (strcmp(argv[a],"-v")==0 || strcmp(argv[a],"--version")==0)
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{
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printf("version "PVPGN_VERSION"\n");
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return STATUS_SUCCESS;
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}
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else if (strcmp(argv[a],"-h")==0 || strcmp(argv[a],"--help")==0 || strcmp(argv[a],"--usage")
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==0)
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usage(argv[0]);
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else
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{
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fprintf(stderr,"%s: unknown option \"%s\"\n",argv[0],argv[a]);
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usage(argv[0]);
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}
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{
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char buff[256];
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t_hash hash;
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unsigned int i;
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eventlog_set(stderr); /* bnet_hash() and friends use eventlog */
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if (!pass)
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{
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printf("Enter password to hash: ");
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fflush(stdout);
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fgets(buff,256,stdin);
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if (buff[0]!='\0')
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buff[strlen(buff)-1] = '\0';
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}
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else
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{
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strncpy(buff,pass,sizeof(buff));
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buff[sizeof(buff)-1] = '\0';
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}
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/* FIXME: what is the max password length? */
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for (i=0; i<strlen(buff); i++)
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if (isascii((int)buff[i]) && isupper((int)buff[i])) /* some tolower()'s are broken */
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buff[i] = tolower((int)buff[i]);
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bnet_hash(&hash,strlen(buff),buff);
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printf("\"BNET\\\\acct\\\\passhash1\"=\"%s\"\n",hash_get_str(hash));
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}
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return STATUS_SUCCESS;
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}
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