[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 "irc_string.h"
#include "numeric.h"
#include "patricia.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;
}
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"
	17	#include "irc_string.h"
	18	#include "numeric.h"
	19	#include "patricia.h"
	20	#include "s_newconf.h"
	21	#include "s_conf.h"
	22	#include "s_log.h"
	23	#include "s_serv.h"
	24	#include "send.h"
	25	#include "msg.h"
	26	#include "parse.h"
	27	#include "modules.h"
	28
	29	#include <string.h>
	30
	31	extern char *crypt();
	32
	33	static int m_mkpasswd(struct Client client_p, struct Client source_p,
	34	int parc, const char *parv[]);
	35	static int mo_mkpasswd(struct Client client_p, struct Client source_p,
	36	int parc, const char *parv[]);
	37	static char *make_salt(void);
	38	static char *make_md5_salt(void);
	39
	40	static char saltChars[] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789./";
	41
	42
	43	struct Message mkpasswd_msgtab = {
	44	"MKPASSWD", 0, 0, 0, MFLG_SLOW,
	45	{mg_unreg, {m_mkpasswd, 2}, mg_ignore, mg_ignore, mg_ignore, {mo_mkpasswd, 2}}
	46	};
	47
	48	mapi_clist_av1 mkpasswd_clist[] = { &mkpasswd_msgtab, NULL };
	49
5366977b	50	DECLARE_MODULE_AV1(mkpasswd, NULL, NULL, mkpasswd_clist, NULL, NULL, "$Revision: 3161 $");
212380e3	51
	52
	53	static int
	54	m_mkpasswd(struct Client client_p, struct Client source_p, int parc, const char *parv[])
	55	{
	56	static time_t last_used = 0;
	57	int is_md5 = 0;
	58
	59	if((last_used + ConfigFileEntry.pace_wait) > CurrentTime)
	60	{
	61	/* safe enough to give this on a local connect only */
	62	sendto_one(source_p, form_str(RPL_LOAD2HI), me.name, parv[0]);
	63	return 0;
	64	}
	65	else
	66	{
	67	last_used = CurrentTime;
	68	}
	69
	70	if(parc == 3)
	71	{
	72	if(!irccmp(parv[2], "MD5"))
	73	{
	74	is_md5 = 1;
	75	}
	76	else if(!irccmp(parv[2], "DES"))
	77	{
	78	/* Not really needed, but we may want to have a default encryption
	79	* setting somewhere down the road
	80	*/
	81	is_md5 = 0;
	82	}
	83	else
	84	{
5366977b	85	sendto_one_notice(source_p, ":MKPASSWD syntax error: MKPASSWD pass [DES\|MD5]");
212380e3	86	return 0;
	87	}
	88	}
	89
	90	if(parc == 1)
	91	sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS), me.name, parv[0], "MKPASSWD");
	92	else
5366977b	93	sendto_one_notice(source_p, ":Encryption for [%s]: %s",
5366977b	94	parv[1], crypt(parv[1],
212380e3	95	is_md5 ? make_md5_salt() :
	96	make_salt()));
	97
	98	return 0;
	99	}
	100
	101	/*
	102	** mo_test
	103	** parv[0] = sender prefix
	104	** parv[1] = parameter
	105	*/
	106	static int
	107	mo_mkpasswd(struct Client client_p, struct Client source_p, int parc, const char *parv[])
	108	{
	109	int is_md5 = 0;
	110
	111	if(parc == 3)
	112	{
	113	if(!irccmp(parv[2], "MD5"))
	114	{
	115	is_md5 = 1;
	116	}
	117	else if(!irccmp(parv[2], "DES"))
	118	{
	119	/* Not really needed, but we may want to have a default encryption
	120	* setting somewhere down the road
	121	*/
	122	is_md5 = 0;
	123	}
	124	else
	125	{
5366977b	126	sendto_one_notice(source_p,
5366977b	127	":MKPASSWD syntax error: MKPASSWD pass [DES\|MD5]");
212380e3	128	return 0;
	129	}
	130	}
	131
	132	if(parc == 1)
	133	sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS), me.name, parv[0], "MKPASSWD");
	134	else
5366977b	135	sendto_one_notice(source_p, ":Encryption for [%s]: %s",
5366977b	136	parv[1], crypt(parv[1], is_md5 ? make_md5_salt() : make_salt()));
212380e3	137
	138	return 0;
	139	}
	140
	141	static char *
	142	make_salt(void)
	143	{
	144	static char salt[3];
	145	salt[0] = saltChars[random() % 64];
	146	salt[1] = saltChars[random() % 64];
	147	salt[2] = '\0';
	148	return salt;
	149	}
	150
	151	static char *
	152	make_md5_salt(void)
	153	{
	154	static char salt[13];
	155	int i;
	156	salt[0] = '$';
	157	salt[1] = '1';
	158	salt[2] = '$';
	159	for(i = 3; i < 11; i++)
	160	salt[i] = saltChars[random() % 64];
	161	salt[11] = '$';
	162	salt[12] = '\0';
	163	return salt;
	164	}