[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.
 *
 */

#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);
	}

	if (0 == rb_dlink_list_length(&cacheptr->contents))
	{
		/* No contents. Don't cache it after all. */
		rb_free(cacheptr);
		cacheptr = NULL;
	}

	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)
	{
		if(ldirent->d_name[0] == '.')
			continue;
		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)
	{
		if(ldirent->d_name[0] == '.')
			continue;
		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	*
ae4091d2 JT	32	*/
ae4091d2 JT	33
a83914b3 VY	34	#include "stdinc.h"
	35	#include "ircd_defs.h"
	36	#include "common.h"
	37	#include "s_conf.h"
	38	#include "client.h"
	39	#include "hash.h"
	40	#include "cache.h"
a83914b3	41	#include "irc_dictionary.h"
ae4091d2 JT	42	#include "numeric.h"
	43
	44	struct cachefile *user_motd = NULL;
	45	struct cachefile *oper_motd = NULL;
	46	struct cacheline *emptyline = NULL;
	47	rb_dlink_list links_cache_list;
	48	char user_motd_changed[MAX_DATE_STRING];
	49
5a34b193	50	struct Dictionary *help_dict_oper = NULL;
ae4091d2 JT	51	struct Dictionary *help_dict_user = NULL;
	52
	53	/* init_cache()
	54	*
	55	* inputs -
	56	* outputs -
	57	* side effects - inits the file/line cache blockheaps, loads motds
	58	*/
	59	void
	60	init_cache(void)
	61	{
	62	/* allocate the emptyline */
	63	emptyline = rb_malloc(sizeof(struct cacheline));
	64	emptyline->data[0] = ' ';
	65	emptyline->data[1] = '\0';
	66	user_motd_changed[0] = '\0';
	67
	68	user_motd = cache_file(MPATH, "ircd.motd", 0);
	69	oper_motd = cache_file(OPATH, "opers.motd", 0);
	70	memset(&links_cache_list, 0, sizeof(links_cache_list));
	71
5a34b193	72	help_dict_oper = irc_dictionary_create(strcasecmp);
ae4091d2 JT	73	help_dict_user = irc_dictionary_create(strcasecmp);
	74	}
	75
7dd98666 VY	76	/*
	77	* removes tabs from src, replaces with 8 spaces, and returns the length
	78	* of the new string. if the new string would be greater than destlen,
	79	* it is truncated to destlen - 1
	80	*/
	81	static size_t
	82	untabify(char dest, const char src, size_t destlen)
	83	{
	84	size_t x = 0, i;
	85	const char *s = src;
	86	char *d = dest;
	87
	88	while(*s != '\0' && x < destlen - 1)
	89	{
	90	if(*s == '\t')
	91	{
	92	for(i = 0; i < 8 && x < destlen - 1; i++, x++, d++)
	93	*d = ' ';
	94	s++;
	95	} else
	96	{
	97	d++ = s++;
	98	x++;
	99	}
	100	}
	101	*d = '\0';
	102	return x;
	103	}
	104
ae4091d2 JT	105	/* cache_file()
	106	*
	107	* inputs - file to cache, files "shortname", flags to set
	108	* outputs - pointer to file cached, else NULL
	109	* side effects -
	110	*/
	111	struct cachefile *
	112	cache_file(const char filename, const char shortname, int flags)
	113	{
	114	FILE *in;
	115	struct cachefile *cacheptr;
	116	struct cacheline *lineptr;
	117	char line[BUFSIZE];
	118	char *p;
	119
	120	if((in = fopen(filename, "r")) == NULL)
	121	return NULL;
	122
	123
	124	cacheptr = rb_malloc(sizeof(struct cachefile));
	125
	126	rb_strlcpy(cacheptr->name, shortname, sizeof(cacheptr->name));
	127	cacheptr->flags = flags;
	128
	129	/* cache the file... */
	130	while(fgets(line, sizeof(line), in) != NULL)
	131	{
	132	if((p = strpbrk(line, "\r\n")) != NULL)
	133	*p = '\0';
	134
	135	if(!EmptyString(line))
	136	{
	137	lineptr = rb_malloc(sizeof(struct cacheline));
c735f930	138	untabify(lineptr->data, line, sizeof(lineptr->data));
ae4091d2 JT	139	rb_dlinkAddTail(lineptr, &lineptr->linenode, &cacheptr->contents);
	140	}
	141	else
	142	rb_dlinkAddTailAlloc(emptyline, &cacheptr->contents);
	143	}
	144
b4c26701 SB	145	if (0 == rb_dlink_list_length(&cacheptr->contents))
	146	{
	147	/* No contents. Don't cache it after all. */
	148	rb_free(cacheptr);
	149	cacheptr = NULL;
	150	}
	151
ae4091d2 JT	152	fclose(in);
	153	return cacheptr;
	154	}
	155
	156	void
	157	cache_links(void *unused)
	158	{
	159	struct Client *target_p;
	160	rb_dlink_node *ptr;
	161	rb_dlink_node *next_ptr;
	162	char *links_line;
	163
	164	RB_DLINK_FOREACH_SAFE(ptr, next_ptr, links_cache_list.head)
	165	{
	166	rb_free(ptr->data);
	167	rb_free_rb_dlink_node(ptr);
	168	}
	169
	170	links_cache_list.head = links_cache_list.tail = NULL;
	171	links_cache_list.length = 0;
	172
	173	RB_DLINK_FOREACH(ptr, global_serv_list.head)
	174	{
	175	target_p = ptr->data;
	176
	177	/* skip ourselves (done in /links) and hidden servers */
	178	if(IsMe(target_p) \|\|
	179	(IsHidden(target_p) && !ConfigServerHide.disable_hidden))
	180	continue;
	181
	182	/* if the below is ever modified, change LINKSLINELEN */
	183	links_line = rb_malloc(LINKSLINELEN);
	184	rb_snprintf(links_line, LINKSLINELEN, "%s %s :1 %s",
	185	target_p->name, me.name,
	186	target_p->info[0] ? target_p->info :
	187	"(Unknown Location)");
	188
	189	rb_dlinkAddTailAlloc(links_line, &links_cache_list);
	190	}
	191	}
	192
	193	/* free_cachefile()
	194	*
	195	* inputs - cachefile to free
	196	* outputs -
	197	* side effects - cachefile and its data is free'd
	198	*/
	199	void
	200	free_cachefile(struct cachefile *cacheptr)
	201	{
	202	rb_dlink_node *ptr;
	203	rb_dlink_node *next_ptr;
	204
	205	if(cacheptr == NULL)
	206	return;
	207
	208	RB_DLINK_FOREACH_SAFE(ptr, next_ptr, cacheptr->contents.head)
	209	{
	210	if(ptr->data != emptyline)
	211	rb_free(ptr->data);
	212	}
	213
	214	rb_free(cacheptr);
	215	}
216
212380e3	217	/* load_help()
	218	*
	219	* inputs -
	220	* outputs -
e8149a2c JT	221	* side effects - old help cache deleted
e8149a2c JT	222	* - contents of help directories are loaded.
212380e3	223	*/
	224	void
	225	load_help(void)
	226	{
	227	DIR *helpfile_dir = NULL;
	228	struct dirent *ldirent= NULL;
	229	char filename[MAXPATHLEN];
	230	struct cachefile *cacheptr;
e8149a2c	231	struct DictionaryIter iter;
212380e3	232
c735f930 VY	233	#if defined(S_ISLNK) && defined(HAVE_LSTAT)
	234	struct stat sb;
	235	#endif
	236
5a34b193	237	DICTIONARY_FOREACH(cacheptr, &iter, help_dict_oper)
e8149a2c	238	{
5a34b193 JT	239	irc_dictionary_delete(help_dict_oper, cacheptr->name);
	240	free_cachefile(cacheptr);
	241	}
	242	DICTIONARY_FOREACH(cacheptr, &iter, help_dict_user)
	243	{
	244	irc_dictionary_delete(help_dict_user, cacheptr->name);
e8149a2c JT	245	free_cachefile(cacheptr);
	246	}
	247
212380e3	248	helpfile_dir = opendir(HPATH);
	249
	250	if(helpfile_dir == NULL)
	251	return;
	252
	253	while((ldirent = readdir(helpfile_dir)) != NULL)
	254	{
7748deb5 JT	255	if(ldirent->d_name[0] == '.')
7748deb5 JT	256	continue;
38e6acdd	257	rb_snprintf(filename, sizeof(filename), "%s/%s", HPATH, ldirent->d_name);
212380e3	258	cacheptr = cache_file(filename, ldirent->d_name, HELP_OPER);
5a34b193	259	irc_dictionary_add(help_dict_oper, cacheptr->name, cacheptr);
212380e3	260	}
	261
	262	closedir(helpfile_dir);
	263	helpfile_dir = opendir(UHPATH);
	264
	265	if(helpfile_dir == NULL)
	266	return;
	267
	268	while((ldirent = readdir(helpfile_dir)) != NULL)
	269	{
7748deb5 JT	270	if(ldirent->d_name[0] == '.')
7748deb5 JT	271	continue;
38e6acdd	272	rb_snprintf(filename, sizeof(filename), "%s/%s", UHPATH, ldirent->d_name);
212380e3	273
c735f930 VY	274	#if defined(S_ISLNK) && defined(HAVE_LSTAT)
	275	if(lstat(filename, &sb) < 0)
	276	continue;
	277
	278	/* ok, if its a symlink, we work on the presumption if an
	279	* oper help exists of that name, its a symlink to that --fl
	280	*/
	281	if(S_ISLNK(sb.st_mode))
	282	{
	283	cacheptr = irc_dictionary_retrieve(help_dict_oper, ldirent->d_name);
	284
	285	if(cacheptr != NULL)
	286	{
	287	cacheptr->flags \|= HELP_USER;
	288	continue;
	289	}
	290	}
	291	#endif
	292
212380e3	293	cacheptr = cache_file(filename, ldirent->d_name, HELP_USER);
5a34b193	294	irc_dictionary_add(help_dict_user, cacheptr->name, cacheptr);
212380e3	295	}
	296
	297	closedir(helpfile_dir);
ae4091d2 JT	298	}
	299
	300	/* send_user_motd()
	301	*
	302	* inputs - client to send motd to
	303	* outputs - client is sent motd if exists, else ERR_NOMOTD
	304	* side effects -
	305	*/
	306	void
	307	send_user_motd(struct Client *source_p)
	308	{
	309	struct cacheline *lineptr;
	310	rb_dlink_node *ptr;
	311	const char *myname = get_id(&me, source_p);
	312	const char *nick = get_id(source_p, source_p);
	313	if(user_motd == NULL \|\| rb_dlink_list_length(&user_motd->contents) == 0)
	314	{
	315	sendto_one(source_p, form_str(ERR_NOMOTD), myname, nick);
	316	return;
	317	}
	318
	319	sendto_one(source_p, form_str(RPL_MOTDSTART), myname, nick, me.name);
	320
	321	RB_DLINK_FOREACH(ptr, user_motd->contents.head)
	322	{
	323	lineptr = ptr->data;
	324	sendto_one(source_p, form_str(RPL_MOTD), myname, nick, lineptr->data);
	325	}
	326
	327	sendto_one(source_p, form_str(RPL_ENDOFMOTD), myname, nick);
	328	}
	329
	330	void
	331	cache_user_motd(void)
	332	{
	333	struct stat sb;
	334	struct tm *local_tm;
	335
	336	if(stat(MPATH, &sb) == 0)
	337	{
	338	local_tm = localtime(&sb.st_mtime);
	339
	340	if(local_tm != NULL)
	341	{
	342	rb_snprintf(user_motd_changed, sizeof(user_motd_changed),
	343	"%d/%d/%d %d:%d",
	344	local_tm->tm_mday, local_tm->tm_mon + 1,
	345	1900 + local_tm->tm_year, local_tm->tm_hour,
	346	local_tm->tm_min);
	347	}
	348	}
	349	free_cachefile(user_motd);
	350	user_motd = cache_file(MPATH, "ircd.motd", 0);
	351	}
de0ae50d JT	352
	353
	354	/* send_oper_motd()
	355	*
	356	* inputs - client to send motd to
	357	* outputs - client is sent oper motd if exists
	358	* side effects -
	359	*/
	360	void
	361	send_oper_motd(struct Client *source_p)
	362	{
	363	struct cacheline *lineptr;
	364	rb_dlink_node *ptr;
	365
	366	if(oper_motd == NULL \|\| rb_dlink_list_length(&oper_motd->contents) == 0)
	367	return;
	368
	369	sendto_one(source_p, form_str(RPL_OMOTDSTART),
	370	me.name, source_p->name);
	371
	372	RB_DLINK_FOREACH(ptr, oper_motd->contents.head)
	373	{
	374	lineptr = ptr->data;
	375	sendto_one(source_p, form_str(RPL_OMOTD),
	376	me.name, source_p->name, lineptr->data);
	377	}
	378
	379	sendto_one(source_p, form_str(RPL_ENDOFOMOTD),
	380	me.name, source_p->name);
	381	}