-/*\r
- * ircd-ratbox: an advanced Internet Relay Chat Daemon(ircd).\r
- * cache.c - code for caching files\r
- *\r
- * Copyright (C) 2003 Lee Hardy <lee@leeh.co.uk>\r
- * Copyright (C) 2003-2005 ircd-ratbox development team\r
- *\r
- * Redistribution and use in source and binary forms, with or without\r
- * modification, are permitted provided that the following conditions are\r
- * met:\r
- *\r
- * 1.Redistributions of source code must retain the above copyright notice,\r
- * this list of conditions and the following disclaimer.\r
- * 2.Redistributions in binary form must reproduce the above copyright\r
- * notice, this list of conditions and the following disclaimer in the\r
- * documentation and/or other materials provided with the distribution.\r
- * 3.The name of the author may not be used to endorse or promote products\r
- * derived from this software without specific prior written permission.\r
- *\r
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR\r
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\r
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE\r
- * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,\r
- * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES\r
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR\r
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)\r
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,\r
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING\r
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
- * POSSIBILITY OF SUCH DAMAGE.\r
- *\r
- * $Id: cache.c 25119 2008-03-13 16:57:05Z androsyn $\r
- */\r
-\r
-#include "stdinc.h"\r
-#include "ratbox_lib.h"\r
-#include "struct.h"\r
-#include "s_conf.h"\r
-#include "client.h"\r
-#include "hash.h"\r
-#include "cache.h"\r
-#include "match.h"\r
-#include "ircd.h"\r
-#include "numeric.h"\r
-#include "send.h"\r
-\r
-struct cachefile *user_motd = NULL;\r
-struct cachefile *oper_motd = NULL;\r
-struct cacheline *emptyline = NULL;\r
-rb_dlink_list links_cache_list;\r
-char user_motd_changed[MAX_DATE_STRING];\r
-\r
+/*
+ * 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;\r
-\r
-/* init_cache()\r
- *\r
- * inputs -\r
- * outputs -\r
- * side effects - inits the file/line cache blockheaps, loads motds\r
- */\r
-void\r
-init_cache(void)\r
-{\r
- /* allocate the emptyline */\r
- emptyline = rb_malloc(sizeof(struct cacheline));\r
- emptyline->data[0] = ' ';\r
- emptyline->data[1] = '\0';\r
- user_motd_changed[0] = '\0';\r
-\r
- user_motd = cache_file(MPATH, "ircd.motd", 0);\r
- oper_motd = cache_file(OPATH, "opers.motd", 0);\r
- memset(&links_cache_list, 0, sizeof(links_cache_list));\r
-\r
+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);\r
-}\r
-\r
-/* cache_file()\r
- *\r
- * inputs - file to cache, files "shortname", flags to set\r
- * outputs - pointer to file cached, else NULL\r
- * side effects -\r
- */\r
-struct cachefile *\r
-cache_file(const char *filename, const char *shortname, int flags)\r
-{\r
- FILE *in;\r
- struct cachefile *cacheptr;\r
- struct cacheline *lineptr;\r
- char line[BUFSIZE];\r
- char *p;\r
-\r
- if((in = fopen(filename, "r")) == NULL)\r
- return NULL;\r
-\r
-\r
- cacheptr = rb_malloc(sizeof(struct cachefile));\r
-\r
- rb_strlcpy(cacheptr->name, shortname, sizeof(cacheptr->name));\r
- cacheptr->flags = flags;\r
-\r
- /* cache the file... */\r
- while(fgets(line, sizeof(line), in) != NULL)\r
- {\r
- if((p = strpbrk(line, "\r\n")) != NULL)\r
- *p = '\0';\r
-\r
- if(!EmptyString(line))\r
- {\r
- lineptr = rb_malloc(sizeof(struct cacheline));\r
- rb_strlcpy(lineptr->data, line, sizeof(lineptr->data));\r
- rb_dlinkAddTail(lineptr, &lineptr->linenode, &cacheptr->contents);\r
- }\r
- else\r
- rb_dlinkAddTailAlloc(emptyline, &cacheptr->contents);\r
- }\r
-\r
- fclose(in);\r
- return cacheptr;\r
-}\r
-\r
-void\r
-cache_links(void *unused)\r
-{\r
- struct Client *target_p;\r
- rb_dlink_node *ptr;\r
- rb_dlink_node *next_ptr;\r
- char *links_line;\r
-\r
- RB_DLINK_FOREACH_SAFE(ptr, next_ptr, links_cache_list.head)\r
- {\r
- rb_free(ptr->data);\r
- rb_free_rb_dlink_node(ptr);\r
- }\r
-\r
- links_cache_list.head = links_cache_list.tail = NULL;\r
- links_cache_list.length = 0;\r
-\r
- RB_DLINK_FOREACH(ptr, global_serv_list.head)\r
- {\r
- target_p = ptr->data;\r
-\r
- /* skip ourselves (done in /links) and hidden servers */\r
- if(IsMe(target_p) ||\r
- (IsHidden(target_p) && !ConfigServerHide.disable_hidden))\r
- continue;\r
-\r
- /* if the below is ever modified, change LINKSLINELEN */\r
- links_line = rb_malloc(LINKSLINELEN);\r
- rb_snprintf(links_line, LINKSLINELEN, "%s %s :1 %s",\r
- target_p->name, me.name, \r
- target_p->info[0] ? target_p->info : \r
- "(Unknown Location)");\r
-\r
- rb_dlinkAddTailAlloc(links_line, &links_cache_list);\r
- }\r
-}\r
-\r
-/* free_cachefile()\r
- *\r
- * inputs - cachefile to free\r
- * outputs -\r
- * side effects - cachefile and its data is free'd\r
- */\r
-void\r
-free_cachefile(struct cachefile *cacheptr)\r
-{\r
- rb_dlink_node *ptr;\r
- rb_dlink_node *next_ptr;\r
-\r
- if(cacheptr == NULL)\r
- return;\r
-\r
- RB_DLINK_FOREACH_SAFE(ptr, next_ptr, cacheptr->contents.head)\r
- {\r
- if(ptr->data != emptyline)\r
- rb_free(ptr->data);\r
- }\r
-\r
- rb_free(cacheptr);\r
-}\r
-\r
+ 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 -
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);
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);
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);
-}\r
-\r
-/* send_user_motd()\r
- *\r
- * inputs - client to send motd to\r
- * outputs - client is sent motd if exists, else ERR_NOMOTD\r
- * side effects -\r
- */\r
-void\r
-send_user_motd(struct Client *source_p)\r
-{\r
- struct cacheline *lineptr;\r
- rb_dlink_node *ptr;\r
- const char *myname = get_id(&me, source_p);\r
- const char *nick = get_id(source_p, source_p);\r
- if(user_motd == NULL || rb_dlink_list_length(&user_motd->contents) == 0)\r
- {\r
- sendto_one(source_p, form_str(ERR_NOMOTD), myname, nick);\r
- return;\r
- }\r
- SetCork(source_p);\r
- sendto_one(source_p, form_str(RPL_MOTDSTART), myname, nick, me.name);\r
-\r
- RB_DLINK_FOREACH(ptr, user_motd->contents.head)\r
- {\r
- lineptr = ptr->data;\r
- sendto_one(source_p, form_str(RPL_MOTD), myname, nick, lineptr->data);\r
- }\r
- ClearCork(source_p);\r
- sendto_one(source_p, form_str(RPL_ENDOFMOTD), myname, nick);\r
-}\r
-\r
-void\r
-cache_user_motd(void)\r
-{\r
- struct stat sb;\r
- struct tm *local_tm;\r
- \r
- if(stat(MPATH, &sb) == 0) \r
- {\r
- local_tm = localtime(&sb.st_mtime);\r
-\r
- if(local_tm != NULL) \r
- {\r
- rb_snprintf(user_motd_changed, sizeof(user_motd_changed),\r
- "%d/%d/%d %d:%d",\r
- local_tm->tm_mday, local_tm->tm_mon + 1,\r
- 1900 + local_tm->tm_year, local_tm->tm_hour,\r
- local_tm->tm_min);\r
- }\r
- } \r
- free_cachefile(user_motd);\r
- user_motd = cache_file(MPATH, "ircd.motd", 0);\r
-}\r
+}
+
+/* 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);
+}