elemental-ircd/extensions/m_mkpasswd.c

164 lines
3.6 KiB
C

/*
* m_mkpasswd.c: Encrypts a password online, DES or MD5.
*
* Copyright 2002 W. Campbell and the ircd-ratbox development team
* Based on mkpasswd.c, originally by Nelson Minar (minar@reed.edu)
*
* You can use this code in any way as long as these names remain.
*
* $Id: m_mkpasswd.c 3161 2007-01-25 07:23:01Z nenolod $
*/
/* List of ircd includes from ../include/ */
#include "stdinc.h"
#include "client.h"
#include "common.h" /* FALSE bleah */
#include "ircd.h"
#include "irc_string.h"
#include "numeric.h"
#include "s_newconf.h"
#include "s_conf.h"
#include "s_log.h"
#include "s_serv.h"
#include "send.h"
#include "msg.h"
#include "parse.h"
#include "modules.h"
#include <string.h>
extern char *crypt();
static int m_mkpasswd(struct Client *client_p, struct Client *source_p,
int parc, const char *parv[]);
static int mo_mkpasswd(struct Client *client_p, struct Client *source_p,
int parc, const char *parv[]);
static char *make_salt(void);
static char *make_md5_salt(void);
static char saltChars[] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789./";
struct Message mkpasswd_msgtab = {
"MKPASSWD", 0, 0, 0, MFLG_SLOW,
{mg_unreg, {m_mkpasswd, 2}, mg_ignore, mg_ignore, mg_ignore, {mo_mkpasswd, 2}}
};
mapi_clist_av1 mkpasswd_clist[] = { &mkpasswd_msgtab, NULL };
DECLARE_MODULE_AV1(mkpasswd, NULL, NULL, mkpasswd_clist, NULL, NULL, "$Revision: 3161 $");
static int
m_mkpasswd(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
static time_t last_used = 0;
int is_md5 = 0;
if((last_used + ConfigFileEntry.pace_wait) > CurrentTime)
{
/* safe enough to give this on a local connect only */
sendto_one(source_p, form_str(RPL_LOAD2HI), me.name, parv[0]);
return 0;
}
else
{
last_used = CurrentTime;
}
if(parc == 3)
{
if(!irccmp(parv[2], "MD5"))
{
is_md5 = 1;
}
else if(!irccmp(parv[2], "DES"))
{
/* Not really needed, but we may want to have a default encryption
* setting somewhere down the road
*/
is_md5 = 0;
}
else
{
sendto_one_notice(source_p, ":MKPASSWD syntax error: MKPASSWD pass [DES|MD5]");
return 0;
}
}
if(parc == 1)
sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS), me.name, parv[0], "MKPASSWD");
else
sendto_one_notice(source_p, ":Encryption for [%s]: %s",
parv[1], crypt(parv[1],
is_md5 ? make_md5_salt() :
make_salt()));
return 0;
}
/*
** mo_test
** parv[0] = sender prefix
** parv[1] = parameter
*/
static int
mo_mkpasswd(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
int is_md5 = 0;
if(parc == 3)
{
if(!irccmp(parv[2], "MD5"))
{
is_md5 = 1;
}
else if(!irccmp(parv[2], "DES"))
{
/* Not really needed, but we may want to have a default encryption
* setting somewhere down the road
*/
is_md5 = 0;
}
else
{
sendto_one_notice(source_p,
":MKPASSWD syntax error: MKPASSWD pass [DES|MD5]");
return 0;
}
}
if(parc == 1)
sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS), me.name, parv[0], "MKPASSWD");
else
sendto_one_notice(source_p, ":Encryption for [%s]: %s",
parv[1], crypt(parv[1], is_md5 ? make_md5_salt() : make_salt()));
return 0;
}
static char *
make_salt(void)
{
static char salt[3];
salt[0] = saltChars[random() % 64];
salt[1] = saltChars[random() % 64];
salt[2] = '\0';
return salt;
}
static char *
make_md5_salt(void)
{
static char salt[13];
int i;
salt[0] = '$';
salt[1] = '1';
salt[2] = '$';
for(i = 3; i < 11; i++)
salt[i] = saltChars[random() % 64];
salt[11] = '$';
salt[12] = '\0';
return salt;
}