bnpass.c
上传用户:tany51
上传日期:2013-06-12
资源大小:1397k
文件大小:3k
- /*
- * Copyright (C) 1999 Ross Combs (rocombs@cs.nmsu.edu)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
- #include "common/setup_before.h"
- #ifdef HAVE_STDDEF_H
- # include <stddef.h>
- #else
- # ifndef NULL
- # define NULL ((void *)0)
- # endif
- #endif
- #ifdef STDC_HEADERS
- # include <stdlib.h>
- #endif
- #include <stdio.h>
- #include "compat/exitstatus.h"
- #include <ctype.h>
- #ifdef HAVE_STRING_H
- # include <string.h>
- #else
- # ifdef HAVE_STRINGS_H
- # include <strings.h>
- # endif
- #endif
- #include "common/eventlog.h"
- #include "common/bnethash.h"
- #include "common/version.h"
- #include "common/setup_after.h"
- static void usage(char const * progname)
- {
- fprintf(stderr,
- "usage: %s [<options>] [--] [<cleartextpassword>]n"
- " -h, --help, --usage show this information and exitn"
- " -v, --version print version number and exitn",progname);
-
- exit(STATUS_FAILURE);
- }
- extern int main(int argc, char * argv[])
- {
-
- char const * pass=NULL;
- int a;
- int forcepass=0;
-
- if (argc<1 || !argv || !argv[0])
- {
- fprintf(stderr,"bad argumentsn");
- return STATUS_FAILURE;
- }
-
- for (a=1; a<argc; a++)
- if (forcepass && !pass)
- pass = argv[a];
- else if (strcmp(argv[a],"-")==0 && !pass)
- pass = argv[a];
- else if (argv[a][0]!='-' && !pass)
- pass = argv[a];
- else if (forcepass || argv[a][0]!='-' || strcmp(argv[a],"-")==0)
- {
- fprintf(stderr,"%s: extra password argument "%s"n",argv[0],argv[a]);
- usage(argv[0]);
- }
- else if (strcmp(argv[a],"--")==0)
- forcepass = 1;
- else if (strcmp(argv[a],"-v")==0 || strcmp(argv[a],"--version")==0)
- {
- printf("version "PVPGN_VERSION"n");
- return STATUS_SUCCESS;
- }
- else if (strcmp(argv[a],"-h")==0 || strcmp(argv[a],"--help")==0 || strcmp(argv[a],"--usage")
- ==0)
- usage(argv[0]);
- else
- {
- fprintf(stderr,"%s: unknown option "%s"n",argv[0],argv[a]);
- usage(argv[0]);
- }
-
- {
- char buff[256];
- t_hash hash;
- unsigned int i;
-
- eventlog_set(stderr); /* bnet_hash() and friends use eventlog */
-
- if (!pass)
- {
- printf("Enter password to hash: ");
- fflush(stdout);
- fgets(buff,256,stdin);
- if (buff[0]!=' ')
- buff[strlen(buff)-1] = ' ';
- }
- else
- {
- strncpy(buff,pass,sizeof(buff));
- buff[sizeof(buff)-1] = ' ';
- }
-
- /* FIXME: what is the max password length? */
- for (i=0; i<strlen(buff); i++)
- if (isascii((int)buff[i]) && isupper((int)buff[i])) /* some tolower()'s are broken */
- buff[i] = tolower((int)buff[i]);
-
- bnet_hash(&hash,strlen(buff),buff);
- printf(""BNET\\acct\\passhash1"="%s"n",hash_get_str(hash));
- }
-
- return STATUS_SUCCESS;
- }