124 lines
2.7 KiB
C
124 lines
2.7 KiB
C
/* @(#)$Id: mkhtpasswd.c,v 1.1 1997/04/09 14:04:01 cvs Exp $ */
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/* Undernet Channel Service (X)
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* Copyright (C) 1995-2002 Robin Thellend
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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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* The author can be contact by email at <csfeedback@robin.pfft.net>
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*
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* Please note that this software is unsupported and mostly
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* obsolete. It was replaced by GNUworld/CMaster. See
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* http://gnuworld.sourceforge.net/ for more information.
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*/
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#include "Sources/h.h"
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struct node {
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dbuser dbu;
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struct node *next;
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};
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time_t now;
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int ul_hash(char *channel)
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{
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register int i,j=0;
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for(i=1;i<strlen(channel);i++)
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j+=(unsigned char)toupper(channel[i]);
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return (j%1000);
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}
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char *make_dbfname(char *channel)
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{
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static char fname[600];
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char tmp[600];
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register char *ptr;
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strcpy(tmp,channel);
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for(ptr=tmp; *ptr; ptr++)
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{
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if(*ptr=='/')
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*ptr=' ';
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else
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*ptr=tolower(*ptr);
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}
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sprintf(fname,"db/channels/%04X/%s",ul_hash(channel),tmp);
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return fname;
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}
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void do_channel(char *channel)
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{
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char salts[]="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789./";
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char passwd[20],salt[3];
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dbuser dbu;
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int fd;
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fd=open(make_dbfname(channel),O_RDONLY);
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if(fd<0)
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{
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fprintf(stderr,"Can't open %s [%s]\n",
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make_dbfname(channel),sys_errlist[errno]);
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return;
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}
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while(read(fd,&dbu,sizeof(dbuser))==sizeof(dbuser))
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{
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if(dbu.header[0]!=0xFF || dbu.header[1]!=0xFF ||
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dbu.footer[0]!=0xFF || dbu.footer[1]!=0xFF)
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{
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continue;
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}
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if(strcasecmp(channel,dbu.channel))
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continue;
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if(!strcmp(dbu.match,"!DEL!"))
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continue;
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salt[0] = salts[random()%64];
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salt[1] = salts[random()%64];
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salt[2] = '\0';
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strcpy(passwd,crypt(dbu.passwd,salt));
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printf("%s:%s\n",dbu.nick,passwd);
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}
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close(fd);
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}
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void main(int argc, char **argv)
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{
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if(chdir(HOMEDIR)<0)
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{
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perror(HOMEDIR);
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exit(1);
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}
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if(argc!=2)
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{
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fprintf(stderr,"usage: %s <channel>\n",argv[0]);
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exit(1);
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}
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time(&now);
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srandom(now);
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do_channel(argv[1]);
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}
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