rename src to ircd, libcore to libircd
This commit is contained in:
William Pitcock
parent
df317d705b
commit
ff12cc9479
55 changed files with 9 additions and 9 deletions
392
ircd/cache.c
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392
ircd/cache.c
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/*
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* ircd-ratbox: an advanced Internet Relay Chat Daemon(ircd).
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* cache.c - code for caching files
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*
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* Copyright (C) 2003 Lee Hardy <lee@leeh.co.uk>
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* Copyright (C) 2003-2005 ircd-ratbox development team
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* 1.Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2.Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3.The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id: cache.c 25119 2008-03-13 16:57:05Z androsyn $
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*/
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#include "stdinc.h"
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#include "ircd_defs.h"
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#include "common.h"
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#include "s_conf.h"
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#include "client.h"
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#include "hash.h"
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#include "cache.h"
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#include "irc_dictionary.h"
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#include "numeric.h"
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#include "send.h"
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struct cachefile *user_motd = NULL;
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struct cachefile *oper_motd = NULL;
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struct cacheline *emptyline = NULL;
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rb_dlink_list links_cache_list;
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char user_motd_changed[MAX_DATE_STRING];
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struct Dictionary *help_dict_oper = NULL;
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struct Dictionary *help_dict_user = NULL;
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/* init_cache()
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*
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* inputs -
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* outputs -
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* side effects - inits the file/line cache blockheaps, loads motds
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*/
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void
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init_cache(void)
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{
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/* allocate the emptyline */
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emptyline = rb_malloc(sizeof(struct cacheline));
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emptyline->data = rb_strdup(" ");
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user_motd_changed[0] = '\0';
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user_motd = cache_file(MPATH, "ircd.motd", 0);
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oper_motd = cache_file(OPATH, "opers.motd", 0);
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memset(&links_cache_list, 0, sizeof(links_cache_list));
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help_dict_oper = irc_dictionary_create(strcasecmp);
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help_dict_user = irc_dictionary_create(strcasecmp);
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}
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/*
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* removes tabs from src, replaces with 8 spaces, and returns the length
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* of the new string. if the new string would be greater than destlen,
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* it is truncated to destlen - 1
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*/
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static size_t
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untabify(char *dest, const char *src, size_t destlen)
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{
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size_t x = 0, i;
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const char *s = src;
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char *d = dest;
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while(*s != '\0' && x < destlen - 1)
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{
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if(*s == '\t')
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{
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for(i = 0; i < 8 && x < destlen - 1; i++, x++, d++)
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*d = ' ';
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s++;
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} else
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{
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*d++ = *s++;
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x++;
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}
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}
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*d = '\0';
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return x;
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}
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/* cache_file()
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*
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* inputs - file to cache, files "shortname", flags to set
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* outputs - pointer to file cached, else NULL
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* side effects -
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*/
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struct cachefile *
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cache_file(const char *filename, const char *shortname, int flags)
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{
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FILE *in;
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struct cachefile *cacheptr;
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struct cacheline *lineptr;
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char line[BUFSIZE];
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char *p;
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if((in = fopen(filename, "r")) == NULL)
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return NULL;
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cacheptr = rb_malloc(sizeof(struct cachefile));
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rb_strlcpy(cacheptr->name, shortname, sizeof(cacheptr->name));
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cacheptr->flags = flags;
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/* cache the file... */
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while(fgets(line, sizeof(line), in) != NULL)
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{
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if((p = strpbrk(line, "\r\n")) != NULL)
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*p = '\0';
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if(!EmptyString(line))
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{
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char untabline[BUFSIZE];
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lineptr = rb_malloc(sizeof(struct cacheline));
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untabify(untabline, line, sizeof(untabline));
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lineptr->data = rb_strdup(untabline);
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rb_dlinkAddTail(lineptr, &lineptr->linenode, &cacheptr->contents);
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}
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else
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rb_dlinkAddTailAlloc(emptyline, &cacheptr->contents);
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}
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if (0 == rb_dlink_list_length(&cacheptr->contents))
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{
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/* No contents. Don't cache it after all. */
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rb_free(cacheptr);
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cacheptr = NULL;
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}
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fclose(in);
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return cacheptr;
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}
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void
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cache_links(void *unused)
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{
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struct Client *target_p;
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rb_dlink_node *ptr;
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rb_dlink_node *next_ptr;
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char *links_line;
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RB_DLINK_FOREACH_SAFE(ptr, next_ptr, links_cache_list.head)
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{
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rb_free(ptr->data);
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rb_free_rb_dlink_node(ptr);
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}
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links_cache_list.head = links_cache_list.tail = NULL;
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links_cache_list.length = 0;
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RB_DLINK_FOREACH(ptr, global_serv_list.head)
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{
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target_p = ptr->data;
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/* skip ourselves (done in /links) and hidden servers */
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if(IsMe(target_p) ||
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(IsHidden(target_p) && !ConfigServerHide.disable_hidden))
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continue;
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/* if the below is ever modified, change LINKSLINELEN */
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links_line = rb_malloc(LINKSLINELEN);
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rb_snprintf(links_line, LINKSLINELEN, "%s %s :1 %s",
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target_p->name, me.name,
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target_p->info[0] ? target_p->info :
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"(Unknown Location)");
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rb_dlinkAddTailAlloc(links_line, &links_cache_list);
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}
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}
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/* free_cachefile()
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*
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* inputs - cachefile to free
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* outputs -
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* side effects - cachefile and its data is free'd
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*/
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void
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free_cachefile(struct cachefile *cacheptr)
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{
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rb_dlink_node *ptr;
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rb_dlink_node *next_ptr;
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if(cacheptr == NULL)
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return;
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RB_DLINK_FOREACH_SAFE(ptr, next_ptr, cacheptr->contents.head)
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{
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if(ptr->data != emptyline)
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{
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struct cacheline *line = ptr->data;
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rb_free(line->data);
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rb_free(line);
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}
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}
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rb_free(cacheptr);
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}
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/* load_help()
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*
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* inputs -
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* outputs -
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* side effects - old help cache deleted
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* - contents of help directories are loaded.
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*/
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void
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load_help(void)
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{
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DIR *helpfile_dir = NULL;
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struct dirent *ldirent= NULL;
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char filename[PATH_MAX];
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struct cachefile *cacheptr;
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struct DictionaryIter iter;
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#if defined(S_ISLNK) && defined(HAVE_LSTAT)
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struct stat sb;
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#endif
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DICTIONARY_FOREACH(cacheptr, &iter, help_dict_oper)
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{
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irc_dictionary_delete(help_dict_oper, cacheptr->name);
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free_cachefile(cacheptr);
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}
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DICTIONARY_FOREACH(cacheptr, &iter, help_dict_user)
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{
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irc_dictionary_delete(help_dict_user, cacheptr->name);
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free_cachefile(cacheptr);
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}
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helpfile_dir = opendir(HPATH);
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if(helpfile_dir == NULL)
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return;
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while((ldirent = readdir(helpfile_dir)) != NULL)
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{
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if(ldirent->d_name[0] == '.')
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continue;
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rb_snprintf(filename, sizeof(filename), "%s/%s", HPATH, ldirent->d_name);
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cacheptr = cache_file(filename, ldirent->d_name, HELP_OPER);
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irc_dictionary_add(help_dict_oper, cacheptr->name, cacheptr);
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}
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closedir(helpfile_dir);
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helpfile_dir = opendir(UHPATH);
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if(helpfile_dir == NULL)
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return;
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while((ldirent = readdir(helpfile_dir)) != NULL)
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{
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if(ldirent->d_name[0] == '.')
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continue;
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rb_snprintf(filename, sizeof(filename), "%s/%s", UHPATH, ldirent->d_name);
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#if defined(S_ISLNK) && defined(HAVE_LSTAT)
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if(lstat(filename, &sb) < 0)
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continue;
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/* ok, if its a symlink, we work on the presumption if an
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* oper help exists of that name, its a symlink to that --fl
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*/
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if(S_ISLNK(sb.st_mode))
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{
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cacheptr = irc_dictionary_retrieve(help_dict_oper, ldirent->d_name);
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if(cacheptr != NULL)
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{
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cacheptr->flags |= HELP_USER;
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continue;
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}
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}
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#endif
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cacheptr = cache_file(filename, ldirent->d_name, HELP_USER);
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irc_dictionary_add(help_dict_user, cacheptr->name, cacheptr);
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}
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closedir(helpfile_dir);
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}
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/* send_user_motd()
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*
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* inputs - client to send motd to
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* outputs - client is sent motd if exists, else ERR_NOMOTD
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* side effects -
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*/
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void
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send_user_motd(struct Client *source_p)
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{
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struct cacheline *lineptr;
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rb_dlink_node *ptr;
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const char *myname = get_id(&me, source_p);
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const char *nick = get_id(source_p, source_p);
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if(user_motd == NULL || rb_dlink_list_length(&user_motd->contents) == 0)
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{
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sendto_one(source_p, form_str(ERR_NOMOTD), myname, nick);
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return;
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}
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sendto_one(source_p, form_str(RPL_MOTDSTART), myname, nick, me.name);
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RB_DLINK_FOREACH(ptr, user_motd->contents.head)
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{
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lineptr = ptr->data;
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sendto_one(source_p, form_str(RPL_MOTD), myname, nick, lineptr->data);
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}
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sendto_one(source_p, form_str(RPL_ENDOFMOTD), myname, nick);
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}
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void
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cache_user_motd(void)
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{
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struct stat sb;
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struct tm *local_tm;
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if(stat(MPATH, &sb) == 0)
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{
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local_tm = localtime(&sb.st_mtime);
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if(local_tm != NULL)
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{
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rb_snprintf(user_motd_changed, sizeof(user_motd_changed),
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"%d/%d/%d %d:%d",
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local_tm->tm_mday, local_tm->tm_mon + 1,
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1900 + local_tm->tm_year, local_tm->tm_hour,
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local_tm->tm_min);
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}
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}
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free_cachefile(user_motd);
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user_motd = cache_file(MPATH, "ircd.motd", 0);
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}
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/* send_oper_motd()
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*
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* inputs - client to send motd to
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* outputs - client is sent oper motd if exists
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* side effects -
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*/
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void
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send_oper_motd(struct Client *source_p)
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{
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struct cacheline *lineptr;
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rb_dlink_node *ptr;
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if(oper_motd == NULL || rb_dlink_list_length(&oper_motd->contents) == 0)
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return;
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sendto_one(source_p, form_str(RPL_OMOTDSTART),
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me.name, source_p->name);
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RB_DLINK_FOREACH(ptr, oper_motd->contents.head)
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{
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lineptr = ptr->data;
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sendto_one(source_p, form_str(RPL_OMOTD),
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me.name, source_p->name, lineptr->data);
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}
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sendto_one(source_p, form_str(RPL_ENDOFOMOTD),
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me.name, source_p->name);
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}
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