[solanum.git] / ircd / 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 "s_conf.h"
#include "client.h"
#include "hash.h"
#include "cache.h"
#include "rb_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];

rb_dictionary *help_dict_oper = NULL;
rb_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(ircd_paths[IRCD_PATH_IRCD_MOTD], "ircd.motd", 0);
	oper_motd = cache_file(ircd_paths[IRCD_PATH_IRCD_OMOTD], "opers.motd", 0);
	memset(&links_cache_list, 0, sizeof(links_cache_list));

	help_dict_oper = rb_dictionary_create("oper help", rb_strcasecmp);
	help_dict_user = rb_dictionary_create("user help", rb_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);
		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);
		}
		else
		{
			rb_free_rb_dlink_node(ptr);
		}
	}

	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;
	rb_dictionary_iter iter;

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

	RB_DICTIONARY_FOREACH(cacheptr, &iter, help_dict_oper)
	{
		rb_dictionary_delete(help_dict_oper, cacheptr->name);
		free_cachefile(cacheptr);
	}
	RB_DICTIONARY_FOREACH(cacheptr, &iter, help_dict_user)
	{
		rb_dictionary_delete(help_dict_user, cacheptr->name);
		free_cachefile(cacheptr);
	}

	helpfile_dir = opendir(ircd_paths[IRCD_PATH_OPERHELP]);

	if(helpfile_dir == NULL)
		return;

	while((ldirent = readdir(helpfile_dir)) != NULL)
	{
		if(ldirent->d_name[0] == '.')
			continue;
		snprintf(filename, sizeof(filename), "%s/%s", ircd_paths[IRCD_PATH_OPERHELP], ldirent->d_name);
		cacheptr = cache_file(filename, ldirent->d_name, HELP_OPER);
		rb_dictionary_add(help_dict_oper, cacheptr->name, cacheptr);
	}

	closedir(helpfile_dir);
	helpfile_dir = opendir(ircd_paths[IRCD_PATH_USERHELP]);

	if(helpfile_dir == NULL)
		return;

	while((ldirent = readdir(helpfile_dir)) != NULL)
	{
		if(ldirent->d_name[0] == '.')
			continue;
		snprintf(filename, sizeof(filename), "%s/%s", ircd_paths[IRCD_PATH_USERHELP], 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 = rb_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);
		rb_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(ircd_paths[IRCD_PATH_IRCD_MOTD], &sb) == 0)
	{
		local_tm = localtime(&sb.st_mtime);

		if(local_tm != NULL)
		{
			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(ircd_paths[IRCD_PATH_IRCD_MOTD], "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.
1087485c JT	31	*/
1087485c JT	32
91e2f81c VY	33	#include "stdinc.h"
91e2f81c VY	34	#include "ircd_defs.h"
91e2f81c VY	35	#include "s_conf.h"
	36	#include "client.h"
	37	#include "hash.h"
	38	#include "cache.h"
a4bf26dd	39	#include "rb_dictionary.h"
1087485c	40	#include "numeric.h"
77d3d2db	41	#include "send.h"
1087485c JT	42
	43	struct cachefile *user_motd = NULL;
	44	struct cachefile *oper_motd = NULL;
	45	struct cacheline *emptyline = NULL;
	46	rb_dlink_list links_cache_list;
	47	char user_motd_changed[MAX_DATE_STRING];
	48
4177311e EM	49	rb_dictionary *help_dict_oper = NULL;
4177311e EM	50	rb_dictionary *help_dict_user = NULL;
1087485c JT	51
	52	/* init_cache()
	53	*
	54	* inputs -
	55	* outputs -
	56	* side effects - inits the file/line cache blockheaps, loads motds
	57	*/
	58	void
	59	init_cache(void)
	60	{
	61	/* allocate the emptyline */
	62	emptyline = rb_malloc(sizeof(struct cacheline));
3dae60ef AC	63	emptyline->data = rb_strdup(" ");
3dae60ef AC	64
1087485c JT	65	user_motd_changed[0] = '\0';
1087485c JT	66
4d8cfacd AC	67	user_motd = cache_file(ircd_paths[IRCD_PATH_IRCD_MOTD], "ircd.motd", 0);
4d8cfacd AC	68	oper_motd = cache_file(ircd_paths[IRCD_PATH_IRCD_OMOTD], "opers.motd", 0);
1087485c JT	69	memset(&links_cache_list, 0, sizeof(links_cache_list));
1087485c JT	70
f956cb0f EM	71	help_dict_oper = rb_dictionary_create("oper help", rb_strcasecmp);
f956cb0f EM	72	help_dict_user = rb_dictionary_create("user help", rb_strcasecmp);
1087485c JT	73	}
1087485c JT	74
55abcbb2	75	/*
22b98b1e VY	76	* removes tabs from src, replaces with 8 spaces, and returns the length
	77	* of the new string. if the new string would be greater than destlen,
	78	* it is truncated to destlen - 1
	79	*/
	80	static size_t
	81	untabify(char dest, const char src, size_t destlen)
	82	{
	83	size_t x = 0, i;
	84	const char *s = src;
	85	char *d = dest;
	86
	87	while(*s != '\0' && x < destlen - 1)
	88	{
	89	if(*s == '\t')
	90	{
	91	for(i = 0; i < 8 && x < destlen - 1; i++, x++, d++)
	92	*d = ' ';
	93	s++;
55abcbb2	94	} else
22b98b1e VY	95	{
	96	d++ = s++;
	97	x++;
	98	}
	99	}
	100	*d = '\0';
	101	return x;
	102	}
	103
1087485c JT	104	/* cache_file()
	105	*
	106	* inputs - file to cache, files "shortname", flags to set
	107	* outputs - pointer to file cached, else NULL
	108	* side effects -
	109	*/
	110	struct cachefile *
	111	cache_file(const char filename, const char shortname, int flags)
	112	{
	113	FILE *in;
	114	struct cachefile *cacheptr;
	115	struct cacheline *lineptr;
	116	char line[BUFSIZE];
	117	char *p;
	118
	119	if((in = fopen(filename, "r")) == NULL)
	120	return NULL;
	121
	122
	123	cacheptr = rb_malloc(sizeof(struct cachefile));
	124
	125	rb_strlcpy(cacheptr->name, shortname, sizeof(cacheptr->name));
	126	cacheptr->flags = flags;
	127
	128	/* cache the file... */
	129	while(fgets(line, sizeof(line), in) != NULL)
	130	{
	131	if((p = strpbrk(line, "\r\n")) != NULL)
	132	*p = '\0';
	133
	134	if(!EmptyString(line))
	135	{
3dae60ef AC	136	char untabline[BUFSIZE];
3dae60ef AC	137
1087485c	138	lineptr = rb_malloc(sizeof(struct cacheline));
3dae60ef AC	139
	140	untabify(untabline, line, sizeof(untabline));
	141	lineptr->data = rb_strdup(untabline);
	142
1087485c JT	143	rb_dlinkAddTail(lineptr, &lineptr->linenode, &cacheptr->contents);
	144	}
	145	else
	146	rb_dlinkAddTailAlloc(emptyline, &cacheptr->contents);
	147	}
	148
d06f3da9 SB	149	if (0 == rb_dlink_list_length(&cacheptr->contents))
	150	{
	151	/* No contents. Don't cache it after all. */
	152	rb_free(cacheptr);
	153	cacheptr = NULL;
	154	}
	155
1087485c JT	156	fclose(in);
	157	return cacheptr;
	158	}
	159
	160	void
	161	cache_links(void *unused)
	162	{
	163	struct Client *target_p;
	164	rb_dlink_node *ptr;
	165	rb_dlink_node *next_ptr;
	166	char *links_line;
	167
	168	RB_DLINK_FOREACH_SAFE(ptr, next_ptr, links_cache_list.head)
	169	{
	170	rb_free(ptr->data);
	171	rb_free_rb_dlink_node(ptr);
	172	}
	173
	174	links_cache_list.head = links_cache_list.tail = NULL;
	175	links_cache_list.length = 0;
	176
	177	RB_DLINK_FOREACH(ptr, global_serv_list.head)
	178	{
	179	target_p = ptr->data;
	180
	181	/* skip ourselves (done in /links) and hidden servers */
	182	if(IsMe(target_p) \|\|
	183	(IsHidden(target_p) && !ConfigServerHide.disable_hidden))
	184	continue;
	185
	186	/* if the below is ever modified, change LINKSLINELEN */
	187	links_line = rb_malloc(LINKSLINELEN);
5203cba5	188	snprintf(links_line, LINKSLINELEN, "%s %s :1 %s",
55abcbb2 KB	189	target_p->name, me.name,
55abcbb2 KB	190	target_p->info[0] ? target_p->info :
1087485c JT	191	"(Unknown Location)");
	192
	193	rb_dlinkAddTailAlloc(links_line, &links_cache_list);
	194	}
	195	}
	196
	197	/* free_cachefile()
	198	*
	199	* inputs - cachefile to free
	200	* outputs -
	201	* side effects - cachefile and its data is free'd
	202	*/
	203	void
	204	free_cachefile(struct cachefile *cacheptr)
	205	{
	206	rb_dlink_node *ptr;
	207	rb_dlink_node *next_ptr;
	208
	209	if(cacheptr == NULL)
	210	return;
	211
	212	RB_DLINK_FOREACH_SAFE(ptr, next_ptr, cacheptr->contents.head)
	213	{
	214	if(ptr->data != emptyline)
3dae60ef AC	215	{
	216	struct cacheline *line = ptr->data;
	217	rb_free(line->data);
	218	rb_free(line);
	219	}
4ce7eaef SA	220	else
	221	{
	222	rb_free_rb_dlink_node(ptr);
	223	}
1087485c JT	224	}
	225
	226	rb_free(cacheptr);
	227	}
	228
212380e3 AC	229	/* load_help()
	230	*
	231	* inputs -
	232	* outputs -
e8149a2c JT	233	* side effects - old help cache deleted
e8149a2c JT	234	* - contents of help directories are loaded.
212380e3 AC	235	*/
	236	void
	237	load_help(void)
	238	{
	239	DIR *helpfile_dir = NULL;
	240	struct dirent *ldirent= NULL;
d74fa5b5	241	char filename[PATH_MAX];
212380e3	242	struct cachefile *cacheptr;
4177311e	243	rb_dictionary_iter iter;
212380e3	244
4231cedc VY	245	#if defined(S_ISLNK) && defined(HAVE_LSTAT)
	246	struct stat sb;
	247	#endif
	248
56f84ded	249	RB_DICTIONARY_FOREACH(cacheptr, &iter, help_dict_oper)
e8149a2c	250	{
a4bf26dd	251	rb_dictionary_delete(help_dict_oper, cacheptr->name);
85550587 JT	252	free_cachefile(cacheptr);
85550587 JT	253	}
56f84ded	254	RB_DICTIONARY_FOREACH(cacheptr, &iter, help_dict_user)
85550587	255	{
a4bf26dd	256	rb_dictionary_delete(help_dict_user, cacheptr->name);
e8149a2c JT	257	free_cachefile(cacheptr);
	258	}
	259
4d8cfacd	260	helpfile_dir = opendir(ircd_paths[IRCD_PATH_OPERHELP]);
212380e3 AC	261
	262	if(helpfile_dir == NULL)
	263	return;
	264
	265	while((ldirent = readdir(helpfile_dir)) != NULL)
	266	{
cd5d9abf JT	267	if(ldirent->d_name[0] == '.')
cd5d9abf JT	268	continue;
8f0c3422	269	snprintf(filename, sizeof(filename), "%s/%s", ircd_paths[IRCD_PATH_OPERHELP], ldirent->d_name);
212380e3	270	cacheptr = cache_file(filename, ldirent->d_name, HELP_OPER);
a4bf26dd	271	rb_dictionary_add(help_dict_oper, cacheptr->name, cacheptr);
212380e3 AC	272	}
	273
	274	closedir(helpfile_dir);
0d180487	275	helpfile_dir = opendir(ircd_paths[IRCD_PATH_USERHELP]);
212380e3 AC	276
	277	if(helpfile_dir == NULL)
	278	return;
	279
	280	while((ldirent = readdir(helpfile_dir)) != NULL)
	281	{
cd5d9abf JT	282	if(ldirent->d_name[0] == '.')
cd5d9abf JT	283	continue;
8f0c3422	284	snprintf(filename, sizeof(filename), "%s/%s", ircd_paths[IRCD_PATH_USERHELP], ldirent->d_name);
212380e3	285
4231cedc VY	286	#if defined(S_ISLNK) && defined(HAVE_LSTAT)
	287	if(lstat(filename, &sb) < 0)
	288	continue;
	289
	290	/* ok, if its a symlink, we work on the presumption if an
	291	* oper help exists of that name, its a symlink to that --fl
	292	*/
	293	if(S_ISLNK(sb.st_mode))
	294	{
a4bf26dd	295	cacheptr = rb_dictionary_retrieve(help_dict_oper, ldirent->d_name);
4231cedc VY	296
	297	if(cacheptr != NULL)
	298	{
	299	cacheptr->flags \|= HELP_USER;
	300	continue;
	301	}
	302	}
	303	#endif
	304
212380e3	305	cacheptr = cache_file(filename, ldirent->d_name, HELP_USER);
a4bf26dd	306	rb_dictionary_add(help_dict_user, cacheptr->name, cacheptr);
212380e3 AC	307	}
	308
	309	closedir(helpfile_dir);
1087485c JT	310	}
	311
	312	/* send_user_motd()
	313	*
	314	* inputs - client to send motd to
	315	* outputs - client is sent motd if exists, else ERR_NOMOTD
	316	* side effects -
	317	*/
	318	void
	319	send_user_motd(struct Client *source_p)
	320	{
	321	struct cacheline *lineptr;
	322	rb_dlink_node *ptr;
	323	const char *myname = get_id(&me, source_p);
	324	const char *nick = get_id(source_p, source_p);
	325	if(user_motd == NULL \|\| rb_dlink_list_length(&user_motd->contents) == 0)
	326	{
	327	sendto_one(source_p, form_str(ERR_NOMOTD), myname, nick);
	328	return;
	329	}
	330
	331	sendto_one(source_p, form_str(RPL_MOTDSTART), myname, nick, me.name);
	332
	333	RB_DLINK_FOREACH(ptr, user_motd->contents.head)
	334	{
	335	lineptr = ptr->data;
	336	sendto_one(source_p, form_str(RPL_MOTD), myname, nick, lineptr->data);
	337	}
	338
	339	sendto_one(source_p, form_str(RPL_ENDOFMOTD), myname, nick);
	340	}
	341
	342	void
	343	cache_user_motd(void)
	344	{
	345	struct stat sb;
	346	struct tm *local_tm;
55abcbb2	347
4d8cfacd	348	if(stat(ircd_paths[IRCD_PATH_IRCD_MOTD], &sb) == 0)
1087485c JT	349	{
	350	local_tm = localtime(&sb.st_mtime);
	351
55abcbb2	352	if(local_tm != NULL)
1087485c	353	{
5203cba5	354	snprintf(user_motd_changed, sizeof(user_motd_changed),
1087485c JT	355	"%d/%d/%d %d:%d",
	356	local_tm->tm_mday, local_tm->tm_mon + 1,
	357	1900 + local_tm->tm_year, local_tm->tm_hour,
	358	local_tm->tm_min);
	359	}
55abcbb2	360	}
1087485c	361	free_cachefile(user_motd);
4d8cfacd	362	user_motd = cache_file(ircd_paths[IRCD_PATH_IRCD_MOTD], "ircd.motd", 0);
1087485c	363	}
fe18f4bc JT	364
	365
	366	/* send_oper_motd()
	367	*
	368	* inputs - client to send motd to
	369	* outputs - client is sent oper motd if exists
	370	* side effects -
	371	*/
	372	void
	373	send_oper_motd(struct Client *source_p)
	374	{
	375	struct cacheline *lineptr;
	376	rb_dlink_node *ptr;
	377
	378	if(oper_motd == NULL \|\| rb_dlink_list_length(&oper_motd->contents) == 0)
	379	return;
	380
55abcbb2	381	sendto_one(source_p, form_str(RPL_OMOTDSTART),
fe18f4bc JT	382	me.name, source_p->name);
	383
	384	RB_DLINK_FOREACH(ptr, oper_motd->contents.head)
	385	{
	386	lineptr = ptr->data;
	387	sendto_one(source_p, form_str(RPL_OMOTD),
	388	me.name, source_p->name, lineptr->data);
	389	}
	390
55abcbb2	391	sendto_one(source_p, form_str(RPL_ENDOFOMOTD),
fe18f4bc JT	392	me.name, source_p->name);
fe18f4bc JT	393	}