[solanum.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"
#include "send.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 = rb_strdup(" ");

	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))
		{
			char untabline[BUFSIZE];

			lineptr = rb_malloc(sizeof(struct cacheline));

			untabify(untabline, line, sizeof(untabline));
			lineptr->data = rb_strdup(untabline);

			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)
		{
			struct cacheline *line = ptr->data;
			rb_free(line->data);
			rb_free(line);
		}
	}

	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[PATH_MAX];
	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
1087485c 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
91e2f81c 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"
91e2f81c	42	#include "irc_dictionary.h"
1087485c	43	#include "numeric.h"
77d3d2db	44	#include "send.h"
1087485c JT	45
	46	struct cachefile *user_motd = NULL;
	47	struct cachefile *oper_motd = NULL;
	48	struct cacheline *emptyline = NULL;
	49	rb_dlink_list links_cache_list;
	50	char user_motd_changed[MAX_DATE_STRING];
	51
85550587	52	struct Dictionary *help_dict_oper = NULL;
1087485c JT	53	struct Dictionary *help_dict_user = NULL;
	54
	55	/* init_cache()
	56	*
	57	* inputs -
	58	* outputs -
	59	* side effects - inits the file/line cache blockheaps, loads motds
	60	*/
	61	void
	62	init_cache(void)
	63	{
	64	/* allocate the emptyline */
	65	emptyline = rb_malloc(sizeof(struct cacheline));
3dae60ef AC	66	emptyline->data = rb_strdup(" ");
3dae60ef AC	67
1087485c JT	68	user_motd_changed[0] = '\0';
	69
	70	user_motd = cache_file(MPATH, "ircd.motd", 0);
	71	oper_motd = cache_file(OPATH, "opers.motd", 0);
	72	memset(&links_cache_list, 0, sizeof(links_cache_list));
	73
85550587	74	help_dict_oper = irc_dictionary_create(strcasecmp);
1087485c JT	75	help_dict_user = irc_dictionary_create(strcasecmp);
	76	}
	77
22b98b1e VY	78	/*
	79	* removes tabs from src, replaces with 8 spaces, and returns the length
	80	* of the new string. if the new string would be greater than destlen,
	81	* it is truncated to destlen - 1
	82	*/
	83	static size_t
	84	untabify(char dest, const char src, size_t destlen)
	85	{
	86	size_t x = 0, i;
	87	const char *s = src;
	88	char *d = dest;
	89
	90	while(*s != '\0' && x < destlen - 1)
	91	{
	92	if(*s == '\t')
	93	{
	94	for(i = 0; i < 8 && x < destlen - 1; i++, x++, d++)
	95	*d = ' ';
	96	s++;
	97	} else
	98	{
	99	d++ = s++;
	100	x++;
	101	}
	102	}
	103	*d = '\0';
	104	return x;
	105	}
	106
1087485c JT	107	/* cache_file()
	108	*
	109	* inputs - file to cache, files "shortname", flags to set
	110	* outputs - pointer to file cached, else NULL
	111	* side effects -
	112	*/
	113	struct cachefile *
	114	cache_file(const char filename, const char shortname, int flags)
	115	{
	116	FILE *in;
	117	struct cachefile *cacheptr;
	118	struct cacheline *lineptr;
	119	char line[BUFSIZE];
	120	char *p;
	121
	122	if((in = fopen(filename, "r")) == NULL)
	123	return NULL;
	124
	125
	126	cacheptr = rb_malloc(sizeof(struct cachefile));
	127
	128	rb_strlcpy(cacheptr->name, shortname, sizeof(cacheptr->name));
	129	cacheptr->flags = flags;
	130
	131	/* cache the file... */
	132	while(fgets(line, sizeof(line), in) != NULL)
	133	{
	134	if((p = strpbrk(line, "\r\n")) != NULL)
	135	*p = '\0';
	136
	137	if(!EmptyString(line))
	138	{
3dae60ef AC	139	char untabline[BUFSIZE];
3dae60ef AC	140
1087485c	141	lineptr = rb_malloc(sizeof(struct cacheline));
3dae60ef AC	142
	143	untabify(untabline, line, sizeof(untabline));
	144	lineptr->data = rb_strdup(untabline);
	145
1087485c JT	146	rb_dlinkAddTail(lineptr, &lineptr->linenode, &cacheptr->contents);
	147	}
	148	else
	149	rb_dlinkAddTailAlloc(emptyline, &cacheptr->contents);
	150	}
	151
d06f3da9 SB	152	if (0 == rb_dlink_list_length(&cacheptr->contents))
	153	{
	154	/* No contents. Don't cache it after all. */
	155	rb_free(cacheptr);
	156	cacheptr = NULL;
	157	}
	158
1087485c JT	159	fclose(in);
	160	return cacheptr;
	161	}
	162
	163	void
	164	cache_links(void *unused)
	165	{
	166	struct Client *target_p;
	167	rb_dlink_node *ptr;
	168	rb_dlink_node *next_ptr;
	169	char *links_line;
	170
	171	RB_DLINK_FOREACH_SAFE(ptr, next_ptr, links_cache_list.head)
	172	{
	173	rb_free(ptr->data);
	174	rb_free_rb_dlink_node(ptr);
	175	}
	176
	177	links_cache_list.head = links_cache_list.tail = NULL;
	178	links_cache_list.length = 0;
	179
	180	RB_DLINK_FOREACH(ptr, global_serv_list.head)
	181	{
	182	target_p = ptr->data;
	183
	184	/* skip ourselves (done in /links) and hidden servers */
	185	if(IsMe(target_p) \|\|
	186	(IsHidden(target_p) && !ConfigServerHide.disable_hidden))
	187	continue;
	188
	189	/* if the below is ever modified, change LINKSLINELEN */
	190	links_line = rb_malloc(LINKSLINELEN);
	191	rb_snprintf(links_line, LINKSLINELEN, "%s %s :1 %s",
	192	target_p->name, me.name,
	193	target_p->info[0] ? target_p->info :
	194	"(Unknown Location)");
	195
	196	rb_dlinkAddTailAlloc(links_line, &links_cache_list);
	197	}
	198	}
	199
	200	/* free_cachefile()
	201	*
	202	* inputs - cachefile to free
	203	* outputs -
	204	* side effects - cachefile and its data is free'd
	205	*/
	206	void
	207	free_cachefile(struct cachefile *cacheptr)
	208	{
	209	rb_dlink_node *ptr;
	210	rb_dlink_node *next_ptr;
	211
	212	if(cacheptr == NULL)
	213	return;
	214
	215	RB_DLINK_FOREACH_SAFE(ptr, next_ptr, cacheptr->contents.head)
	216	{
	217	if(ptr->data != emptyline)
3dae60ef AC	218	{
	219	struct cacheline *line = ptr->data;
	220	rb_free(line->data);
	221	rb_free(line);
	222	}
1087485c JT	223	}
	224
	225	rb_free(cacheptr);
	226	}
	227
212380e3 AC	228	/* load_help()
	229	*
	230	* inputs -
	231	* outputs -
e8149a2c JT	232	* side effects - old help cache deleted
e8149a2c JT	233	* - contents of help directories are loaded.
212380e3 AC	234	*/
	235	void
	236	load_help(void)
	237	{
	238	DIR *helpfile_dir = NULL;
	239	struct dirent *ldirent= NULL;
d74fa5b5	240	char filename[PATH_MAX];
212380e3	241	struct cachefile *cacheptr;
e8149a2c	242	struct DictionaryIter iter;
212380e3	243
4231cedc VY	244	#if defined(S_ISLNK) && defined(HAVE_LSTAT)
	245	struct stat sb;
	246	#endif
	247
85550587	248	DICTIONARY_FOREACH(cacheptr, &iter, help_dict_oper)
e8149a2c	249	{
85550587 JT	250	irc_dictionary_delete(help_dict_oper, cacheptr->name);
	251	free_cachefile(cacheptr);
	252	}
	253	DICTIONARY_FOREACH(cacheptr, &iter, help_dict_user)
	254	{
	255	irc_dictionary_delete(help_dict_user, cacheptr->name);
e8149a2c JT	256	free_cachefile(cacheptr);
	257	}
	258
212380e3 AC	259	helpfile_dir = opendir(HPATH);
	260
	261	if(helpfile_dir == NULL)
	262	return;
	263
	264	while((ldirent = readdir(helpfile_dir)) != NULL)
	265	{
cd5d9abf JT	266	if(ldirent->d_name[0] == '.')
cd5d9abf JT	267	continue;
b2f0da88	268	rb_snprintf(filename, sizeof(filename), "%s/%s", HPATH, ldirent->d_name);
212380e3	269	cacheptr = cache_file(filename, ldirent->d_name, HELP_OPER);
85550587	270	irc_dictionary_add(help_dict_oper, cacheptr->name, cacheptr);
212380e3 AC	271	}
	272
	273	closedir(helpfile_dir);
	274	helpfile_dir = opendir(UHPATH);
	275
	276	if(helpfile_dir == NULL)
	277	return;
	278
	279	while((ldirent = readdir(helpfile_dir)) != NULL)
	280	{
cd5d9abf JT	281	if(ldirent->d_name[0] == '.')
cd5d9abf JT	282	continue;
b2f0da88	283	rb_snprintf(filename, sizeof(filename), "%s/%s", UHPATH, ldirent->d_name);
212380e3	284
4231cedc VY	285	#if defined(S_ISLNK) && defined(HAVE_LSTAT)
	286	if(lstat(filename, &sb) < 0)
	287	continue;
	288
	289	/* ok, if its a symlink, we work on the presumption if an
	290	* oper help exists of that name, its a symlink to that --fl
	291	*/
	292	if(S_ISLNK(sb.st_mode))
	293	{
	294	cacheptr = irc_dictionary_retrieve(help_dict_oper, ldirent->d_name);
	295
	296	if(cacheptr != NULL)
	297	{
	298	cacheptr->flags \|= HELP_USER;
	299	continue;
	300	}
	301	}
	302	#endif
	303
212380e3	304	cacheptr = cache_file(filename, ldirent->d_name, HELP_USER);
85550587	305	irc_dictionary_add(help_dict_user, cacheptr->name, cacheptr);
212380e3 AC	306	}
	307
	308	closedir(helpfile_dir);
1087485c JT	309	}
	310
	311	/* send_user_motd()
	312	*
	313	* inputs - client to send motd to
	314	* outputs - client is sent motd if exists, else ERR_NOMOTD
	315	* side effects -
	316	*/
	317	void
	318	send_user_motd(struct Client *source_p)
	319	{
	320	struct cacheline *lineptr;
	321	rb_dlink_node *ptr;
	322	const char *myname = get_id(&me, source_p);
	323	const char *nick = get_id(source_p, source_p);
	324	if(user_motd == NULL \|\| rb_dlink_list_length(&user_motd->contents) == 0)
	325	{
	326	sendto_one(source_p, form_str(ERR_NOMOTD), myname, nick);
	327	return;
	328	}
	329
	330	sendto_one(source_p, form_str(RPL_MOTDSTART), myname, nick, me.name);
	331
	332	RB_DLINK_FOREACH(ptr, user_motd->contents.head)
	333	{
	334	lineptr = ptr->data;
	335	sendto_one(source_p, form_str(RPL_MOTD), myname, nick, lineptr->data);
	336	}
	337
	338	sendto_one(source_p, form_str(RPL_ENDOFMOTD), myname, nick);
	339	}
	340
	341	void
	342	cache_user_motd(void)
	343	{
	344	struct stat sb;
	345	struct tm *local_tm;
	346
	347	if(stat(MPATH, &sb) == 0)
	348	{
	349	local_tm = localtime(&sb.st_mtime);
	350
	351	if(local_tm != NULL)
	352	{
	353	rb_snprintf(user_motd_changed, sizeof(user_motd_changed),
	354	"%d/%d/%d %d:%d",
	355	local_tm->tm_mday, local_tm->tm_mon + 1,
	356	1900 + local_tm->tm_year, local_tm->tm_hour,
	357	local_tm->tm_min);
	358	}
	359	}
	360	free_cachefile(user_motd);
	361	user_motd = cache_file(MPATH, "ircd.motd", 0);
	362	}
fe18f4bc JT	363
	364
	365	/* send_oper_motd()
	366	*
	367	* inputs - client to send motd to
	368	* outputs - client is sent oper motd if exists
	369	* side effects -
	370	*/
	371	void
	372	send_oper_motd(struct Client *source_p)
	373	{
	374	struct cacheline *lineptr;
	375	rb_dlink_node *ptr;
	376
	377	if(oper_motd == NULL \|\| rb_dlink_list_length(&oper_motd->contents) == 0)
	378	return;
	379
	380	sendto_one(source_p, form_str(RPL_OMOTDSTART),
	381	me.name, source_p->name);
	382
	383	RB_DLINK_FOREACH(ptr, oper_motd->contents.head)
	384	{
	385	lineptr = ptr->data;
	386	sendto_one(source_p, form_str(RPL_OMOTD),
	387	me.name, source_p->name, lineptr->data);
	388	}
	389
	390	sendto_one(source_p, form_str(RPL_ENDOFOMOTD),
	391	me.name, source_p->name);
	392	}