[irc/rqf/shadowircd.git] / extensions / m_mkpasswd.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 "match.h"
#include "numeric.h"
#include "s_newconf.h"
#include "s_conf.h"
#include "logger.h"
#include "s_serv.h"
#include "send.h"
#include "msg.h"
#include "parse.h"
#include "modules.h"

#include <string.h>

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) > rb_current_time())
	{
		/* 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 = rb_current_time();
	}

	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], rb_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], rb_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;
}
Commit	Line	Data
212380e3	1	/*
	2	* m_mkpasswd.c: Encrypts a password online, DES or MD5.
	3	*
	4	* Copyright 2002 W. Campbell and the ircd-ratbox development team
	5	* Based on mkpasswd.c, originally by Nelson Minar (minar@reed.edu)
	6	*
	7	* You can use this code in any way as long as these names remain.
	8	*
5366977b	9	* $Id: m_mkpasswd.c 3161 2007-01-25 07:23:01Z nenolod $
212380e3	10	*/
	11
	12	/* List of ircd includes from ../include/ */
	13	#include "stdinc.h"
	14	#include "client.h"
	15	#include "common.h" /* FALSE bleah */
	16	#include "ircd.h"
13ae2f4b	17	#include "match.h"
212380e3	18	#include "numeric.h"
212380e3	19	#include "s_newconf.h"
212380e3	20	#include "s_conf.h"
d3455e2c	21	#include "logger.h"
212380e3	22	#include "s_serv.h"
	23	#include "send.h"
	24	#include "msg.h"
	25	#include "parse.h"
	26	#include "modules.h"
	27
	28	#include <string.h>
	29
212380e3	30	static int m_mkpasswd(struct Client client_p, struct Client source_p,
	31	int parc, const char *parv[]);
	32	static int mo_mkpasswd(struct Client client_p, struct Client source_p,
	33	int parc, const char *parv[]);
	34	static char *make_salt(void);
	35	static char *make_md5_salt(void);
	36
	37	static char saltChars[] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789./";
	38
	39
	40	struct Message mkpasswd_msgtab = {
	41	"MKPASSWD", 0, 0, 0, MFLG_SLOW,
	42	{mg_unreg, {m_mkpasswd, 2}, mg_ignore, mg_ignore, mg_ignore, {mo_mkpasswd, 2}}
	43	};
	44
	45	mapi_clist_av1 mkpasswd_clist[] = { &mkpasswd_msgtab, NULL };
	46
5366977b	47	DECLARE_MODULE_AV1(mkpasswd, NULL, NULL, mkpasswd_clist, NULL, NULL, "$Revision: 3161 $");
212380e3	48
	49
	50	static int
	51	m_mkpasswd(struct Client client_p, struct Client source_p, int parc, const char *parv[])
	52	{
	53	static time_t last_used = 0;
	54	int is_md5 = 0;
	55
c51d32ba	56	if((last_used + ConfigFileEntry.pace_wait) > rb_current_time())
212380e3	57	{
	58	/* safe enough to give this on a local connect only */
	59	sendto_one(source_p, form_str(RPL_LOAD2HI), me.name, parv[0]);
	60	return 0;
	61	}
	62	else
	63	{
c51d32ba	64	last_used = rb_current_time();
212380e3	65	}
	66
	67	if(parc == 3)
	68	{
	69	if(!irccmp(parv[2], "MD5"))
	70	{
	71	is_md5 = 1;
	72	}
	73	else if(!irccmp(parv[2], "DES"))
	74	{
	75	/* Not really needed, but we may want to have a default encryption
	76	* setting somewhere down the road
	77	*/
	78	is_md5 = 0;
	79	}
	80	else
	81	{
5366977b	82	sendto_one_notice(source_p, ":MKPASSWD syntax error: MKPASSWD pass [DES\|MD5]");
212380e3	83	return 0;
	84	}
	85	}
	86
	87	if(parc == 1)
	88	sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS), me.name, parv[0], "MKPASSWD");
	89	else
5366977b	90	sendto_one_notice(source_p, ":Encryption for [%s]: %s",
cf63b587	91	parv[1], rb_crypt(parv[1],
212380e3	92	is_md5 ? make_md5_salt() :
	93	make_salt()));
	94
	95	return 0;
	96	}
	97
	98	/*
	99	** mo_test
	100	** parv[0] = sender prefix
	101	** parv[1] = parameter
	102	*/
	103	static int
	104	mo_mkpasswd(struct Client client_p, struct Client source_p, int parc, const char *parv[])
	105	{
	106	int is_md5 = 0;
	107
	108	if(parc == 3)
	109	{
	110	if(!irccmp(parv[2], "MD5"))
	111	{
	112	is_md5 = 1;
	113	}
	114	else if(!irccmp(parv[2], "DES"))
	115	{
	116	/* Not really needed, but we may want to have a default encryption
	117	* setting somewhere down the road
	118	*/
	119	is_md5 = 0;
	120	}
	121	else
	122	{
5366977b	123	sendto_one_notice(source_p,
5366977b	124	":MKPASSWD syntax error: MKPASSWD pass [DES\|MD5]");
212380e3	125	return 0;
	126	}
	127	}
	128
	129	if(parc == 1)
	130	sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS), me.name, parv[0], "MKPASSWD");
	131	else
5366977b	132	sendto_one_notice(source_p, ":Encryption for [%s]: %s",
cf63b587	133	parv[1], rb_crypt(parv[1], is_md5 ? make_md5_salt() : make_salt()));
212380e3	134
	135	return 0;
	136	}
	137
	138	static char *
	139	make_salt(void)
	140	{
	141	static char salt[3];
	142	salt[0] = saltChars[random() % 64];
	143	salt[1] = saltChars[random() % 64];
	144	salt[2] = '\0';
	145	return salt;
	146	}
	147
	148	static char *
	149	make_md5_salt(void)
	150	{
	151	static char salt[13];
	152	int i;
	153	salt[0] = '$';
	154	salt[1] = '1';
	155	salt[2] = '$';
	156	for(i = 3; i < 11; i++)
	157	salt[i] = saltChars[random() % 64];
	158	salt[11] = '$';
	159	salt[12] = '\0';
	160	return salt;
	161	}