[irc/rqf/shadowircd.git] / src / cache.c

/*
 * ircd-ratbox: an advanced Internet Relay Chat Daemon(ircd).
 * cache.c - code for caching files
 *
 * Copyright (C) 2003 Lee Hardy <lee@leeh.co.uk>
 * Copyright (C) 2003-2005 ircd-ratbox development team
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 * 1.Redistributions of source code must retain the above copyright notice,
 *   this list of conditions and the following disclaimer.
 * 2.Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * 3.The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * $Id: cache.c 25119 2008-03-13 16:57:05Z androsyn $
 */

#include "stdinc.h"
#include "ircd_defs.h"
#include "common.h"
#include "s_conf.h"
#include "client.h"
#include "hash.h"
#include "cache.h"
#include "irc_dictionary.h"
#include "numeric.h"

struct cachefile *user_motd = NULL;
struct cachefile *oper_motd = NULL;
struct cacheline *emptyline = NULL;
rb_dlink_list links_cache_list;
char user_motd_changed[MAX_DATE_STRING];

struct Dictionary *help_dict_oper = NULL;
struct Dictionary *help_dict_user = NULL;

/* init_cache()
 *
 * inputs	-
 * outputs	-
 * side effects - inits the file/line cache blockheaps, loads motds
 */
void
init_cache(void)
{
	/* allocate the emptyline */
	emptyline = rb_malloc(sizeof(struct cacheline));
	emptyline->data[0] = ' ';
	emptyline->data[1] = '\0';
	user_motd_changed[0] = '\0';

	user_motd = cache_file(MPATH, "ircd.motd", 0);
	oper_motd = cache_file(OPATH, "opers.motd", 0);
	memset(&links_cache_list, 0, sizeof(links_cache_list));

	help_dict_oper = irc_dictionary_create(strcasecmp);
	help_dict_user = irc_dictionary_create(strcasecmp);
}

/* 
 * removes tabs from src, replaces with 8 spaces, and returns the length
 * of the new string.  if the new string would be greater than destlen,
 * it is truncated to destlen - 1
 */
static size_t
untabify(char *dest, const char *src, size_t destlen)
{
	size_t x = 0, i;
	const char *s = src;
	char *d = dest;

	while(*s != '\0' && x < destlen - 1)
	{
		if(*s == '\t')
		{
			for(i = 0; i < 8 && x < destlen - 1; i++, x++, d++)
				*d = ' ';
			s++;
		} else 
		{
			*d++ = *s++;
			x++;
		}
	}
	*d = '\0';
	return x;
}

/* cache_file()
 *
 * inputs	- file to cache, files "shortname", flags to set
 * outputs	- pointer to file cached, else NULL
 * side effects -
 */
struct cachefile *
cache_file(const char *filename, const char *shortname, int flags)
{
	FILE *in;
	struct cachefile *cacheptr;
	struct cacheline *lineptr;
	char line[BUFSIZE];
	char *p;

	if((in = fopen(filename, "r")) == NULL)
		return NULL;


	cacheptr = rb_malloc(sizeof(struct cachefile));

	rb_strlcpy(cacheptr->name, shortname, sizeof(cacheptr->name));
	cacheptr->flags = flags;

	/* cache the file... */
	while(fgets(line, sizeof(line), in) != NULL)
	{
		if((p = strpbrk(line, "\r\n")) != NULL)
			*p = '\0';

		if(!EmptyString(line))
		{
			lineptr = rb_malloc(sizeof(struct cacheline));
			untabify(lineptr->data, line, sizeof(lineptr->data));
			rb_dlinkAddTail(lineptr, &lineptr->linenode, &cacheptr->contents);
		}
		else
			rb_dlinkAddTailAlloc(emptyline, &cacheptr->contents);
	}

	fclose(in);
	return cacheptr;
}

void
cache_links(void *unused)
{
	struct Client *target_p;
	rb_dlink_node *ptr;
	rb_dlink_node *next_ptr;
	char *links_line;

	RB_DLINK_FOREACH_SAFE(ptr, next_ptr, links_cache_list.head)
	{
		rb_free(ptr->data);
		rb_free_rb_dlink_node(ptr);
	}

	links_cache_list.head = links_cache_list.tail = NULL;
	links_cache_list.length = 0;

	RB_DLINK_FOREACH(ptr, global_serv_list.head)
	{
		target_p = ptr->data;

		/* skip ourselves (done in /links) and hidden servers */
		if(IsMe(target_p) ||
		   (IsHidden(target_p) && !ConfigServerHide.disable_hidden))
			continue;

		/* if the below is ever modified, change LINKSLINELEN */
		links_line = rb_malloc(LINKSLINELEN);
		rb_snprintf(links_line, LINKSLINELEN, "%s %s :1 %s",
			   target_p->name, me.name, 
			   target_p->info[0] ? target_p->info : 
			    "(Unknown Location)");

		rb_dlinkAddTailAlloc(links_line, &links_cache_list);
	}
}

/* free_cachefile()
 *
 * inputs	- cachefile to free
 * outputs	-
 * side effects - cachefile and its data is free'd
 */
void
free_cachefile(struct cachefile *cacheptr)
{
	rb_dlink_node *ptr;
	rb_dlink_node *next_ptr;

	if(cacheptr == NULL)
		return;

	RB_DLINK_FOREACH_SAFE(ptr, next_ptr, cacheptr->contents.head)
	{
		if(ptr->data != emptyline)
			rb_free(ptr->data);
	}

	rb_free(cacheptr);
}

/* load_help()
 *
 * inputs	-
 * outputs	-
 * side effects - old help cache deleted
 *		- contents of help directories are loaded.
 */
void
load_help(void)
{
	DIR *helpfile_dir = NULL;
	struct dirent *ldirent= NULL;
	char filename[MAXPATHLEN];
	struct cachefile *cacheptr;
	struct DictionaryIter iter;

#if defined(S_ISLNK) && defined(HAVE_LSTAT)
	struct stat sb;
#endif

	DICTIONARY_FOREACH(cacheptr, &iter, help_dict_oper)
	{
		irc_dictionary_delete(help_dict_oper, cacheptr->name);
		free_cachefile(cacheptr);
	}
	DICTIONARY_FOREACH(cacheptr, &iter, help_dict_user)
	{
		irc_dictionary_delete(help_dict_user, cacheptr->name);
		free_cachefile(cacheptr);
	}

	helpfile_dir = opendir(HPATH);

	if(helpfile_dir == NULL)
		return;

	while((ldirent = readdir(helpfile_dir)) != NULL)
	{
		rb_snprintf(filename, sizeof(filename), "%s/%s", HPATH, ldirent->d_name);
		cacheptr = cache_file(filename, ldirent->d_name, HELP_OPER);
		irc_dictionary_add(help_dict_oper, cacheptr->name, cacheptr);
	}

	closedir(helpfile_dir);
	helpfile_dir = opendir(UHPATH);

	if(helpfile_dir == NULL)
		return;

	while((ldirent = readdir(helpfile_dir)) != NULL)
	{
		rb_snprintf(filename, sizeof(filename), "%s/%s", UHPATH, ldirent->d_name);

#if defined(S_ISLNK) && defined(HAVE_LSTAT)
		if(lstat(filename, &sb) < 0)
			continue;

		/* ok, if its a symlink, we work on the presumption if an
		 * oper help exists of that name, its a symlink to that --fl
		 */
		if(S_ISLNK(sb.st_mode))
		{
			cacheptr = irc_dictionary_retrieve(help_dict_oper, ldirent->d_name);

			if(cacheptr != NULL)
			{
				cacheptr->flags |= HELP_USER;
				continue;
			}
		}
#endif

		cacheptr = cache_file(filename, ldirent->d_name, HELP_USER);
		irc_dictionary_add(help_dict_user, cacheptr->name, cacheptr);
	}

	closedir(helpfile_dir);
}

/* send_user_motd()
 *
 * inputs	- client to send motd to
 * outputs	- client is sent motd if exists, else ERR_NOMOTD
 * side effects -
 */
void
send_user_motd(struct Client *source_p)
{
	struct cacheline *lineptr;
	rb_dlink_node *ptr;
	const char *myname = get_id(&me, source_p);
	const char *nick = get_id(source_p, source_p);
	if(user_motd == NULL || rb_dlink_list_length(&user_motd->contents) == 0)
	{
		sendto_one(source_p, form_str(ERR_NOMOTD), myname, nick);
		return;
	}

	sendto_one(source_p, form_str(RPL_MOTDSTART), myname, nick, me.name);

	RB_DLINK_FOREACH(ptr, user_motd->contents.head)
	{
		lineptr = ptr->data;
		sendto_one(source_p, form_str(RPL_MOTD), myname, nick, lineptr->data);
	}

	sendto_one(source_p, form_str(RPL_ENDOFMOTD), myname, nick);
}

void
cache_user_motd(void)
{
	struct stat sb;
	struct tm *local_tm;
	
	if(stat(MPATH, &sb) == 0) 
	{
		local_tm = localtime(&sb.st_mtime);

		if(local_tm != NULL) 
		{
			rb_snprintf(user_motd_changed, sizeof(user_motd_changed),
				 "%d/%d/%d %d:%d",
				 local_tm->tm_mday, local_tm->tm_mon + 1,
				 1900 + local_tm->tm_year, local_tm->tm_hour,
				 local_tm->tm_min);
		}
	} 
	free_cachefile(user_motd);
	user_motd = cache_file(MPATH, "ircd.motd", 0);
}


/* send_oper_motd()
 *
 * inputs	- client to send motd to
 * outputs	- client is sent oper motd if exists
 * side effects -
 */
void
send_oper_motd(struct Client *source_p)
{
	struct cacheline *lineptr;
	rb_dlink_node *ptr;

	if(oper_motd == NULL || rb_dlink_list_length(&oper_motd->contents) == 0)
		return;

	sendto_one(source_p, form_str(RPL_OMOTDSTART), 
		   me.name, source_p->name);

	RB_DLINK_FOREACH(ptr, oper_motd->contents.head)
	{
		lineptr = ptr->data;
		sendto_one(source_p, form_str(RPL_OMOTD),
			   me.name, source_p->name, lineptr->data);
	}

	sendto_one(source_p, form_str(RPL_ENDOFOMOTD), 
		   me.name, source_p->name);
}
Commit	Line	Data
ae4091d2 JT	1	/*
	2	* ircd-ratbox: an advanced Internet Relay Chat Daemon(ircd).
	3	* cache.c - code for caching files
	4	*
	5	* Copyright (C) 2003 Lee Hardy <lee@leeh.co.uk>
	6	* Copyright (C) 2003-2005 ircd-ratbox development team
	7	*
	8	* Redistribution and use in source and binary forms, with or without
	9	* modification, are permitted provided that the following conditions are
	10	* met:
	11	*
	12	* 1.Redistributions of source code must retain the above copyright notice,
	13	* this list of conditions and the following disclaimer.
	14	* 2.Redistributions in binary form must reproduce the above copyright
	15	* notice, this list of conditions and the following disclaimer in the
	16	* documentation and/or other materials provided with the distribution.
	17	* 3.The name of the author may not be used to endorse or promote products
	18	* derived from this software without specific prior written permission.
	19	*
	20	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
	21	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
	22	* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
	23	* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
	24	* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
	25	* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
	26	* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	27	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
	28	* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
	29	* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
	30	* POSSIBILITY OF SUCH DAMAGE.
	31	*
	32	* $Id: cache.c 25119 2008-03-13 16:57:05Z androsyn $
	33	*/
	34
a83914b3 VY	35	#include "stdinc.h"
	36	#include "ircd_defs.h"
	37	#include "common.h"
	38	#include "s_conf.h"
	39	#include "client.h"
	40	#include "hash.h"
	41	#include "cache.h"
a83914b3	42	#include "irc_dictionary.h"
ae4091d2 JT	43	#include "numeric.h"
	44
	45	struct cachefile *user_motd = NULL;
	46	struct cachefile *oper_motd = NULL;
	47	struct cacheline *emptyline = NULL;
	48	rb_dlink_list links_cache_list;
	49	char user_motd_changed[MAX_DATE_STRING];
	50
5a34b193	51	struct Dictionary *help_dict_oper = NULL;
ae4091d2 JT	52	struct Dictionary *help_dict_user = NULL;
	53
	54	/* init_cache()
	55	*
	56	* inputs -
	57	* outputs -
	58	* side effects - inits the file/line cache blockheaps, loads motds
	59	*/
	60	void
	61	init_cache(void)
	62	{
	63	/* allocate the emptyline */
	64	emptyline = rb_malloc(sizeof(struct cacheline));
	65	emptyline->data[0] = ' ';
	66	emptyline->data[1] = '\0';
	67	user_motd_changed[0] = '\0';
	68
	69	user_motd = cache_file(MPATH, "ircd.motd", 0);
	70	oper_motd = cache_file(OPATH, "opers.motd", 0);
	71	memset(&links_cache_list, 0, sizeof(links_cache_list));
	72
5a34b193	73	help_dict_oper = irc_dictionary_create(strcasecmp);
ae4091d2 JT	74	help_dict_user = irc_dictionary_create(strcasecmp);
	75	}
	76
7dd98666 VY	77	/*
	78	* removes tabs from src, replaces with 8 spaces, and returns the length
	79	* of the new string. if the new string would be greater than destlen,
	80	* it is truncated to destlen - 1
	81	*/
	82	static size_t
	83	untabify(char dest, const char src, size_t destlen)
	84	{
	85	size_t x = 0, i;
	86	const char *s = src;
	87	char *d = dest;
	88
	89	while(*s != '\0' && x < destlen - 1)
	90	{
	91	if(*s == '\t')
	92	{
	93	for(i = 0; i < 8 && x < destlen - 1; i++, x++, d++)
	94	*d = ' ';
	95	s++;
	96	} else
	97	{
	98	d++ = s++;
	99	x++;
	100	}
	101	}
	102	*d = '\0';
	103	return x;
	104	}
	105
ae4091d2 JT	106	/* cache_file()
	107	*
	108	* inputs - file to cache, files "shortname", flags to set
	109	* outputs - pointer to file cached, else NULL
	110	* side effects -
	111	*/
	112	struct cachefile *
	113	cache_file(const char filename, const char shortname, int flags)
	114	{
	115	FILE *in;
	116	struct cachefile *cacheptr;
	117	struct cacheline *lineptr;
	118	char line[BUFSIZE];
	119	char *p;
	120
	121	if((in = fopen(filename, "r")) == NULL)
	122	return NULL;
	123
	124
	125	cacheptr = rb_malloc(sizeof(struct cachefile));
	126
	127	rb_strlcpy(cacheptr->name, shortname, sizeof(cacheptr->name));
	128	cacheptr->flags = flags;
	129
	130	/* cache the file... */
	131	while(fgets(line, sizeof(line), in) != NULL)
	132	{
	133	if((p = strpbrk(line, "\r\n")) != NULL)
	134	*p = '\0';
	135
	136	if(!EmptyString(line))
	137	{
	138	lineptr = rb_malloc(sizeof(struct cacheline));
c735f930	139	untabify(lineptr->data, line, sizeof(lineptr->data));
ae4091d2 JT	140	rb_dlinkAddTail(lineptr, &lineptr->linenode, &cacheptr->contents);
	141	}
	142	else
	143	rb_dlinkAddTailAlloc(emptyline, &cacheptr->contents);
	144	}
	145
	146	fclose(in);
	147	return cacheptr;
	148	}
	149
	150	void
	151	cache_links(void *unused)
	152	{
	153	struct Client *target_p;
	154	rb_dlink_node *ptr;
	155	rb_dlink_node *next_ptr;
	156	char *links_line;
	157
	158	RB_DLINK_FOREACH_SAFE(ptr, next_ptr, links_cache_list.head)
	159	{
	160	rb_free(ptr->data);
	161	rb_free_rb_dlink_node(ptr);
	162	}
	163
	164	links_cache_list.head = links_cache_list.tail = NULL;
	165	links_cache_list.length = 0;
	166
	167	RB_DLINK_FOREACH(ptr, global_serv_list.head)
	168	{
	169	target_p = ptr->data;
	170
	171	/* skip ourselves (done in /links) and hidden servers */
	172	if(IsMe(target_p) \|\|
	173	(IsHidden(target_p) && !ConfigServerHide.disable_hidden))
	174	continue;
	175
	176	/* if the below is ever modified, change LINKSLINELEN */
	177	links_line = rb_malloc(LINKSLINELEN);
	178	rb_snprintf(links_line, LINKSLINELEN, "%s %s :1 %s",
	179	target_p->name, me.name,
	180	target_p->info[0] ? target_p->info :
	181	"(Unknown Location)");
	182
	183	rb_dlinkAddTailAlloc(links_line, &links_cache_list);
	184	}
	185	}
	186
	187	/* free_cachefile()
	188	*
	189	* inputs - cachefile to free
	190	* outputs -
	191	* side effects - cachefile and its data is free'd
	192	*/
	193	void
	194	free_cachefile(struct cachefile *cacheptr)
	195	{
	196	rb_dlink_node *ptr;
	197	rb_dlink_node *next_ptr;
	198
	199	if(cacheptr == NULL)
	200	return;
	201
	202	RB_DLINK_FOREACH_SAFE(ptr, next_ptr, cacheptr->contents.head)
	203	{
204	if(ptr->data != emptyline)
205	rb_free(ptr->data);
206	}
207
208	rb_free(cacheptr);
209	}
210
212380e3	211	/* load_help()
	212	*
	213	* inputs -
	214	* outputs -
e8149a2c JT	215	* side effects - old help cache deleted
e8149a2c JT	216	* - contents of help directories are loaded.
212380e3	217	*/
	218	void
	219	load_help(void)
	220	{
	221	DIR *helpfile_dir = NULL;
	222	struct dirent *ldirent= NULL;
	223	char filename[MAXPATHLEN];
	224	struct cachefile *cacheptr;
e8149a2c	225	struct DictionaryIter iter;
212380e3	226
c735f930 VY	227	#if defined(S_ISLNK) && defined(HAVE_LSTAT)
	228	struct stat sb;
	229	#endif
	230
5a34b193	231	DICTIONARY_FOREACH(cacheptr, &iter, help_dict_oper)
e8149a2c	232	{
5a34b193 JT	233	irc_dictionary_delete(help_dict_oper, cacheptr->name);
	234	free_cachefile(cacheptr);
	235	}
	236	DICTIONARY_FOREACH(cacheptr, &iter, help_dict_user)
	237	{
	238	irc_dictionary_delete(help_dict_user, cacheptr->name);
e8149a2c JT	239	free_cachefile(cacheptr);
	240	}
	241
212380e3	242	helpfile_dir = opendir(HPATH);
	243
	244	if(helpfile_dir == NULL)
	245	return;
	246
	247	while((ldirent = readdir(helpfile_dir)) != NULL)
	248	{
38e6acdd	249	rb_snprintf(filename, sizeof(filename), "%s/%s", HPATH, ldirent->d_name);
212380e3	250	cacheptr = cache_file(filename, ldirent->d_name, HELP_OPER);
5a34b193	251	irc_dictionary_add(help_dict_oper, cacheptr->name, cacheptr);
212380e3	252	}
	253
	254	closedir(helpfile_dir);
	255	helpfile_dir = opendir(UHPATH);
	256
	257	if(helpfile_dir == NULL)
	258	return;
	259
	260	while((ldirent = readdir(helpfile_dir)) != NULL)
	261	{
38e6acdd	262	rb_snprintf(filename, sizeof(filename), "%s/%s", UHPATH, ldirent->d_name);
212380e3	263
c735f930 VY	264	#if defined(S_ISLNK) && defined(HAVE_LSTAT)
	265	if(lstat(filename, &sb) < 0)
	266	continue;
	267
	268	/* ok, if its a symlink, we work on the presumption if an
	269	* oper help exists of that name, its a symlink to that --fl
	270	*/
	271	if(S_ISLNK(sb.st_mode))
	272	{
	273	cacheptr = irc_dictionary_retrieve(help_dict_oper, ldirent->d_name);
	274
	275	if(cacheptr != NULL)
	276	{
	277	cacheptr->flags \|= HELP_USER;
	278	continue;
	279	}
	280	}
	281	#endif
	282
212380e3	283	cacheptr = cache_file(filename, ldirent->d_name, HELP_USER);
5a34b193	284	irc_dictionary_add(help_dict_user, cacheptr->name, cacheptr);
212380e3	285	}
	286
	287	closedir(helpfile_dir);
ae4091d2 JT	288	}
	289
	290	/* send_user_motd()
	291	*
	292	* inputs - client to send motd to
	293	* outputs - client is sent motd if exists, else ERR_NOMOTD
	294	* side effects -
	295	*/
	296	void
	297	send_user_motd(struct Client *source_p)
	298	{
	299	struct cacheline *lineptr;
	300	rb_dlink_node *ptr;
	301	const char *myname = get_id(&me, source_p);
	302	const char *nick = get_id(source_p, source_p);
	303	if(user_motd == NULL \|\| rb_dlink_list_length(&user_motd->contents) == 0)
	304	{
	305	sendto_one(source_p, form_str(ERR_NOMOTD), myname, nick);
	306	return;
	307	}
	308
	309	sendto_one(source_p, form_str(RPL_MOTDSTART), myname, nick, me.name);
	310
	311	RB_DLINK_FOREACH(ptr, user_motd->contents.head)
	312	{
	313	lineptr = ptr->data;
	314	sendto_one(source_p, form_str(RPL_MOTD), myname, nick, lineptr->data);
	315	}
	316
	317	sendto_one(source_p, form_str(RPL_ENDOFMOTD), myname, nick);
	318	}
	319
	320	void
	321	cache_user_motd(void)
	322	{
	323	struct stat sb;
	324	struct tm *local_tm;
	325
	326	if(stat(MPATH, &sb) == 0)
	327	{
	328	local_tm = localtime(&sb.st_mtime);
	329
	330	if(local_tm != NULL)
	331	{
	332	rb_snprintf(user_motd_changed, sizeof(user_motd_changed),
	333	"%d/%d/%d %d:%d",
	334	local_tm->tm_mday, local_tm->tm_mon + 1,
	335	1900 + local_tm->tm_year, local_tm->tm_hour,
	336	local_tm->tm_min);
	337	}
	338	}
	339	free_cachefile(user_motd);
	340	user_motd = cache_file(MPATH, "ircd.motd", 0);
	341	}
de0ae50d JT	342
	343
	344	/* send_oper_motd()
	345	*
	346	* inputs - client to send motd to
	347	* outputs - client is sent oper motd if exists
	348	* side effects -
	349	*/
	350	void
	351	send_oper_motd(struct Client *source_p)
	352	{
	353	struct cacheline *lineptr;
	354	rb_dlink_node *ptr;
	355
	356	if(oper_motd == NULL \|\| rb_dlink_list_length(&oper_motd->contents) == 0)
	357	return;
	358
	359	sendto_one(source_p, form_str(RPL_OMOTDSTART),
	360	me.name, source_p->name);
	361
	362	RB_DLINK_FOREACH(ptr, oper_motd->contents.head)
	363	{
	364	lineptr = ptr->data;
	365	sendto_one(source_p, form_str(RPL_OMOTD),
	366	me.name, source_p->name, lineptr->data);
	367	}
	368
	369	sendto_one(source_p, form_str(RPL_ENDOFOMOTD),
	370	me.name, source_p->name);
	371	}