2007-01-25 06:40:21 +00:00
|
|
|
/*
|
|
|
|
* ircd-ratbox: A slightly useful ircd.
|
|
|
|
* modules.c: A module loader.
|
|
|
|
*
|
|
|
|
* Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
|
|
|
|
* Copyright (C) 1996-2002 Hybrid Development Team
|
|
|
|
* Copyright (C) 2002-2005 ircd-ratbox development team
|
|
|
|
*
|
|
|
|
* This program is free software; you can redistribute it and/or modify
|
|
|
|
* it under the terms of the GNU General Public License as published by
|
|
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
|
|
* (at your option) any later version.
|
|
|
|
*
|
|
|
|
* This program is distributed in the hope that it will be useful,
|
|
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
|
* GNU General Public License for more details.
|
|
|
|
*
|
|
|
|
* You should have received a copy of the GNU General Public License
|
|
|
|
* along with this program; if not, write to the Free Software
|
|
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
|
|
|
|
* USA
|
|
|
|
*
|
2007-01-25 07:23:01 +00:00
|
|
|
* $Id: modules.c 3161 2007-01-25 07:23:01Z nenolod $
|
2007-01-25 06:40:21 +00:00
|
|
|
*/
|
|
|
|
|
|
|
|
#include "stdinc.h"
|
|
|
|
|
|
|
|
|
|
|
|
#include "modules.h"
|
2008-04-03 02:52:01 +00:00
|
|
|
#include "logger.h"
|
2007-01-25 06:40:21 +00:00
|
|
|
#include "ircd.h"
|
|
|
|
#include "client.h"
|
|
|
|
#include "send.h"
|
|
|
|
#include "s_conf.h"
|
|
|
|
#include "s_newconf.h"
|
|
|
|
#include "numeric.h"
|
|
|
|
#include "parse.h"
|
|
|
|
#include "ircd_defs.h"
|
2008-04-20 05:47:38 +00:00
|
|
|
#include "match.h"
|
2007-01-25 06:40:21 +00:00
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* -TimeMr14C:
|
|
|
|
* I have moved the dl* function definitions and
|
|
|
|
* the two functions (load_a_module / unload_a_module) to the
|
|
|
|
* file dynlink.c
|
|
|
|
* And also made the necessary changes to those functions
|
|
|
|
* to comply with shl_load and friends.
|
|
|
|
* In this file, to keep consistency with the makefile,
|
|
|
|
* I added the ability to load *.sl files, too.
|
|
|
|
* 27/02/2002
|
|
|
|
*/
|
|
|
|
|
|
|
|
#ifndef STATIC_MODULES
|
|
|
|
|
|
|
|
struct module **modlist = NULL;
|
|
|
|
|
|
|
|
static const char *core_module_table[] = {
|
2010-03-05 17:36:44 +00:00
|
|
|
"m_ban",
|
2007-01-25 06:40:21 +00:00
|
|
|
"m_die",
|
|
|
|
"m_error",
|
|
|
|
"m_join",
|
|
|
|
"m_kick",
|
|
|
|
"m_kill",
|
|
|
|
"m_message",
|
|
|
|
"m_mode",
|
|
|
|
"m_nick",
|
|
|
|
"m_part",
|
|
|
|
"m_quit",
|
|
|
|
"m_server",
|
|
|
|
"m_squit",
|
|
|
|
NULL
|
|
|
|
};
|
|
|
|
|
|
|
|
#define MODS_INCREMENT 10
|
|
|
|
int num_mods = 0;
|
|
|
|
int max_mods = MODS_INCREMENT;
|
|
|
|
|
2008-04-01 20:41:52 +00:00
|
|
|
static rb_dlink_list mod_paths;
|
2007-01-25 06:40:21 +00:00
|
|
|
|
|
|
|
static int mo_modload(struct Client *, struct Client *, int, const char **);
|
|
|
|
static int mo_modlist(struct Client *, struct Client *, int, const char **);
|
|
|
|
static int mo_modreload(struct Client *, struct Client *, int, const char **);
|
|
|
|
static int mo_modunload(struct Client *, struct Client *, int, const char **);
|
|
|
|
static int mo_modrestart(struct Client *, struct Client *, int, const char **);
|
|
|
|
|
|
|
|
struct Message modload_msgtab = {
|
|
|
|
"MODLOAD", 0, 0, 0, MFLG_SLOW,
|
|
|
|
{mg_unreg, mg_not_oper, mg_ignore, mg_ignore, mg_ignore, {mo_modload, 2}}
|
|
|
|
};
|
|
|
|
|
|
|
|
struct Message modunload_msgtab = {
|
|
|
|
"MODUNLOAD", 0, 0, 0, MFLG_SLOW,
|
|
|
|
{mg_unreg, mg_not_oper, mg_ignore, mg_ignore, mg_ignore, {mo_modunload, 2}}
|
|
|
|
};
|
|
|
|
|
|
|
|
struct Message modreload_msgtab = {
|
|
|
|
"MODRELOAD", 0, 0, 0, MFLG_SLOW,
|
|
|
|
{mg_unreg, mg_not_oper, mg_ignore, mg_ignore, mg_ignore, {mo_modreload, 2}}
|
|
|
|
};
|
|
|
|
|
|
|
|
struct Message modlist_msgtab = {
|
|
|
|
"MODLIST", 0, 0, 0, MFLG_SLOW,
|
|
|
|
{mg_unreg, mg_not_oper, mg_ignore, mg_ignore, mg_ignore, {mo_modlist, 0}}
|
|
|
|
};
|
|
|
|
|
|
|
|
struct Message modrestart_msgtab = {
|
|
|
|
"MODRESTART", 0, 0, 0, MFLG_SLOW,
|
|
|
|
{mg_unreg, mg_not_oper, mg_ignore, mg_ignore, mg_ignore, {mo_modrestart, 0}}
|
|
|
|
};
|
|
|
|
|
|
|
|
void
|
|
|
|
modules_init(void)
|
|
|
|
{
|
|
|
|
mod_add_cmd(&modload_msgtab);
|
|
|
|
mod_add_cmd(&modunload_msgtab);
|
|
|
|
mod_add_cmd(&modreload_msgtab);
|
|
|
|
mod_add_cmd(&modlist_msgtab);
|
|
|
|
mod_add_cmd(&modrestart_msgtab);
|
|
|
|
|
|
|
|
/* Add the default paths we look in to the module system --nenolod */
|
|
|
|
mod_add_path(MODPATH);
|
|
|
|
mod_add_path(AUTOMODPATH);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* mod_find_path()
|
|
|
|
*
|
|
|
|
* input - path
|
|
|
|
* output - none
|
|
|
|
* side effects - returns a module path from path
|
|
|
|
*/
|
|
|
|
static struct module_path *
|
|
|
|
mod_find_path(const char *path)
|
|
|
|
{
|
2008-04-01 20:41:52 +00:00
|
|
|
rb_dlink_node *ptr;
|
2007-01-25 06:40:21 +00:00
|
|
|
struct module_path *mpath;
|
|
|
|
|
2008-04-01 20:43:10 +00:00
|
|
|
RB_DLINK_FOREACH(ptr, mod_paths.head)
|
2007-01-25 06:40:21 +00:00
|
|
|
{
|
|
|
|
mpath = ptr->data;
|
|
|
|
|
|
|
|
if(!strcmp(path, mpath->path))
|
|
|
|
return mpath;
|
|
|
|
}
|
|
|
|
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* mod_add_path
|
|
|
|
*
|
|
|
|
* input - path
|
|
|
|
* ouput -
|
|
|
|
* side effects - adds path to list
|
|
|
|
*/
|
|
|
|
void
|
|
|
|
mod_add_path(const char *path)
|
|
|
|
{
|
|
|
|
struct module_path *pathst;
|
|
|
|
|
|
|
|
if(mod_find_path(path))
|
|
|
|
return;
|
|
|
|
|
2008-04-01 23:07:29 +00:00
|
|
|
pathst = rb_malloc(sizeof(struct module_path));
|
2007-01-25 06:40:21 +00:00
|
|
|
|
|
|
|
strcpy(pathst->path, path);
|
2008-04-01 20:41:52 +00:00
|
|
|
rb_dlinkAddAlloc(pathst, &mod_paths);
|
2007-01-25 06:40:21 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* mod_clear_paths()
|
|
|
|
*
|
|
|
|
* input -
|
|
|
|
* output -
|
|
|
|
* side effects - clear the lists of paths
|
|
|
|
*/
|
|
|
|
void
|
|
|
|
mod_clear_paths(void)
|
|
|
|
{
|
2008-04-01 22:47:17 +00:00
|
|
|
rb_dlink_node *ptr, *next_ptr;
|
2007-01-25 06:40:21 +00:00
|
|
|
|
2008-04-01 22:47:17 +00:00
|
|
|
RB_DLINK_FOREACH_SAFE(ptr, next_ptr, mod_paths.head)
|
2007-01-25 06:40:21 +00:00
|
|
|
{
|
2008-04-01 22:47:17 +00:00
|
|
|
rb_free(ptr->data);
|
2008-04-02 01:03:13 +00:00
|
|
|
rb_free_rb_dlink_node(ptr);
|
2007-01-25 06:40:21 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
mod_paths.head = mod_paths.tail = NULL;
|
|
|
|
mod_paths.length = 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* findmodule_byname
|
|
|
|
*
|
|
|
|
* input -
|
|
|
|
* output -
|
|
|
|
* side effects -
|
|
|
|
*/
|
|
|
|
|
|
|
|
int
|
|
|
|
findmodule_byname(const char *name)
|
|
|
|
{
|
|
|
|
int i;
|
|
|
|
|
|
|
|
for (i = 0; i < num_mods; i++)
|
|
|
|
{
|
|
|
|
if(!irccmp(modlist[i]->name, name))
|
|
|
|
return i;
|
|
|
|
}
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* load_all_modules()
|
|
|
|
*
|
|
|
|
* input -
|
|
|
|
* output -
|
|
|
|
* side effects -
|
|
|
|
*/
|
|
|
|
void
|
|
|
|
load_all_modules(int warn)
|
|
|
|
{
|
|
|
|
DIR *system_module_dir = NULL;
|
|
|
|
struct dirent *ldirent = NULL;
|
|
|
|
char module_fq_name[PATH_MAX + 1];
|
|
|
|
int len;
|
|
|
|
|
|
|
|
modules_init();
|
|
|
|
|
2008-04-01 23:07:29 +00:00
|
|
|
modlist = (struct module **) rb_malloc(sizeof(struct module) * (MODS_INCREMENT));
|
2007-01-25 06:40:21 +00:00
|
|
|
|
|
|
|
max_mods = MODS_INCREMENT;
|
|
|
|
|
|
|
|
system_module_dir = opendir(AUTOMODPATH);
|
|
|
|
|
|
|
|
if(system_module_dir == NULL)
|
|
|
|
{
|
|
|
|
ilog(L_MAIN, "Could not load modules from %s: %s", AUTOMODPATH, strerror(errno));
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
while ((ldirent = readdir(system_module_dir)) != NULL)
|
|
|
|
{
|
|
|
|
len = strlen(ldirent->d_name);
|
|
|
|
if((len > 3) && !strcmp(ldirent->d_name+len-3, SHARED_SUFFIX))
|
|
|
|
{
|
2008-04-01 20:38:40 +00:00
|
|
|
(void) rb_snprintf(module_fq_name, sizeof(module_fq_name), "%s/%s", AUTOMODPATH, ldirent->d_name);
|
2007-01-25 06:40:21 +00:00
|
|
|
(void) load_a_module(module_fq_name, warn, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
(void) closedir(system_module_dir);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* load_core_modules()
|
|
|
|
*
|
|
|
|
* input -
|
|
|
|
* output -
|
|
|
|
* side effects - core modules are loaded, if any fail, kill ircd
|
|
|
|
*/
|
|
|
|
void
|
|
|
|
load_core_modules(int warn)
|
|
|
|
{
|
|
|
|
char module_name[MAXPATHLEN];
|
|
|
|
int i;
|
|
|
|
|
|
|
|
|
|
|
|
for (i = 0; core_module_table[i]; i++)
|
|
|
|
{
|
2008-04-01 20:38:40 +00:00
|
|
|
rb_snprintf(module_name, sizeof(module_name), "%s/%s%s", MODPATH,
|
2007-01-25 06:40:21 +00:00
|
|
|
core_module_table[i], SHARED_SUFFIX);
|
|
|
|
|
|
|
|
if(load_a_module(module_name, warn, 1) == -1)
|
|
|
|
{
|
|
|
|
ilog(L_MAIN,
|
|
|
|
"Error loading core module %s%s: terminating ircd",
|
|
|
|
core_module_table[i], SHARED_SUFFIX);
|
|
|
|
exit(0);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* load_one_module()
|
|
|
|
*
|
|
|
|
* input -
|
|
|
|
* output -
|
|
|
|
* side effects -
|
|
|
|
*/
|
|
|
|
int
|
|
|
|
load_one_module(const char *path, int coremodule)
|
|
|
|
{
|
|
|
|
char modpath[MAXPATHLEN];
|
2008-04-01 20:41:52 +00:00
|
|
|
rb_dlink_node *pathst;
|
2007-01-25 06:40:21 +00:00
|
|
|
struct module_path *mpath;
|
|
|
|
|
|
|
|
struct stat statbuf;
|
|
|
|
|
|
|
|
if (server_state_foreground == 1)
|
|
|
|
inotice("loading module %s ...", path);
|
|
|
|
|
2008-04-01 20:43:10 +00:00
|
|
|
RB_DLINK_FOREACH(pathst, mod_paths.head)
|
2007-01-25 06:40:21 +00:00
|
|
|
{
|
|
|
|
mpath = pathst->data;
|
|
|
|
|
2008-04-01 20:38:40 +00:00
|
|
|
rb_snprintf(modpath, sizeof(modpath), "%s/%s", mpath->path, path);
|
2007-01-25 06:40:21 +00:00
|
|
|
if((strstr(modpath, "../") == NULL) && (strstr(modpath, "/..") == NULL))
|
|
|
|
{
|
|
|
|
if(stat(modpath, &statbuf) == 0)
|
|
|
|
{
|
|
|
|
if(S_ISREG(statbuf.st_mode))
|
|
|
|
{
|
|
|
|
/* Regular files only please */
|
|
|
|
if(coremodule)
|
|
|
|
return load_a_module(modpath, 1, 1);
|
|
|
|
else
|
|
|
|
return load_a_module(modpath, 1, 0);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
sendto_realops_snomask(SNO_GENERAL, L_ALL, "Cannot locate module %s", path);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* load a module .. */
|
|
|
|
static int
|
|
|
|
mo_modload(struct Client *client_p, struct Client *source_p, int parc, const char **parv)
|
|
|
|
{
|
|
|
|
char *m_bn;
|
|
|
|
|
|
|
|
if(!IsOperAdmin(source_p))
|
|
|
|
{
|
|
|
|
sendto_one(source_p, form_str(ERR_NOPRIVS),
|
|
|
|
me.name, source_p->name, "admin");
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2008-12-02 23:59:13 +00:00
|
|
|
m_bn = rb_basename(parv[1]);
|
2007-01-25 06:40:21 +00:00
|
|
|
|
|
|
|
if(findmodule_byname(m_bn) != -1)
|
|
|
|
{
|
2007-01-25 07:23:01 +00:00
|
|
|
sendto_one_notice(source_p, ":Module %s is already loaded", m_bn);
|
2008-04-01 22:47:17 +00:00
|
|
|
rb_free(m_bn);
|
2007-01-25 06:40:21 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
load_one_module(parv[1], 0);
|
|
|
|
|
2008-04-01 22:47:17 +00:00
|
|
|
rb_free(m_bn);
|
2007-01-25 06:40:21 +00:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* unload a module .. */
|
|
|
|
static int
|
|
|
|
mo_modunload(struct Client *client_p, struct Client *source_p, int parc, const char **parv)
|
|
|
|
{
|
|
|
|
char *m_bn;
|
|
|
|
int modindex;
|
|
|
|
|
|
|
|
if(!IsOperAdmin(source_p))
|
|
|
|
{
|
|
|
|
sendto_one(source_p, form_str(ERR_NOPRIVS),
|
|
|
|
me.name, source_p->name, "admin");
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2008-12-02 23:59:13 +00:00
|
|
|
m_bn = rb_basename(parv[1]);
|
2007-01-25 06:40:21 +00:00
|
|
|
|
|
|
|
if((modindex = findmodule_byname(m_bn)) == -1)
|
|
|
|
{
|
2007-01-25 07:23:01 +00:00
|
|
|
sendto_one_notice(source_p, ":Module %s is not loaded", m_bn);
|
2008-04-01 22:47:17 +00:00
|
|
|
rb_free(m_bn);
|
2007-01-25 06:40:21 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
if(modlist[modindex]->core == 1)
|
|
|
|
{
|
2007-01-25 07:23:01 +00:00
|
|
|
sendto_one_notice(source_p, ":Module %s is a core module and may not be unloaded", m_bn);
|
2008-04-01 22:47:17 +00:00
|
|
|
rb_free(m_bn);
|
2007-01-25 06:40:21 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
if(unload_one_module(m_bn, 1) == -1)
|
|
|
|
{
|
2007-01-25 07:23:01 +00:00
|
|
|
sendto_one_notice(source_p, ":Module %s is not loaded", m_bn);
|
2007-01-25 06:40:21 +00:00
|
|
|
}
|
2007-01-25 07:23:01 +00:00
|
|
|
|
2008-04-01 22:47:17 +00:00
|
|
|
rb_free(m_bn);
|
2007-01-25 06:40:21 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* unload and load in one! */
|
|
|
|
static int
|
|
|
|
mo_modreload(struct Client *client_p, struct Client *source_p, int parc, const char **parv)
|
|
|
|
{
|
|
|
|
char *m_bn;
|
|
|
|
int modindex;
|
|
|
|
int check_core;
|
|
|
|
|
|
|
|
if(!IsOperAdmin(source_p))
|
|
|
|
{
|
|
|
|
sendto_one(source_p, form_str(ERR_NOPRIVS),
|
|
|
|
me.name, source_p->name, "admin");
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2008-12-02 23:59:13 +00:00
|
|
|
m_bn = rb_basename(parv[1]);
|
2007-01-25 06:40:21 +00:00
|
|
|
|
|
|
|
if((modindex = findmodule_byname(m_bn)) == -1)
|
|
|
|
{
|
2007-01-25 07:23:01 +00:00
|
|
|
sendto_one_notice(source_p, ":Module %s is not loaded", m_bn);
|
2008-04-01 22:47:17 +00:00
|
|
|
rb_free(m_bn);
|
2007-01-25 06:40:21 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
check_core = modlist[modindex]->core;
|
|
|
|
|
|
|
|
if(unload_one_module(m_bn, 1) == -1)
|
|
|
|
{
|
2007-01-25 07:23:01 +00:00
|
|
|
sendto_one_notice(source_p, ":Module %s is not loaded", m_bn);
|
2008-04-01 22:47:17 +00:00
|
|
|
rb_free(m_bn);
|
2007-01-25 06:40:21 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2010-01-31 01:21:17 +00:00
|
|
|
if((load_one_module(m_bn, check_core) == -1) && check_core)
|
2007-01-25 06:40:21 +00:00
|
|
|
{
|
|
|
|
sendto_realops_snomask(SNO_GENERAL, L_ALL,
|
2010-01-31 01:21:17 +00:00
|
|
|
"Error reloading core module: %s: terminating ircd", m_bn);
|
|
|
|
ilog(L_MAIN, "Error loading core module %s: terminating ircd", m_bn);
|
2007-01-25 06:40:21 +00:00
|
|
|
exit(0);
|
|
|
|
}
|
|
|
|
|
2008-04-01 22:47:17 +00:00
|
|
|
rb_free(m_bn);
|
2007-01-25 06:40:21 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* list modules .. */
|
|
|
|
static int
|
|
|
|
mo_modlist(struct Client *client_p, struct Client *source_p, int parc, const char **parv)
|
|
|
|
{
|
|
|
|
int i;
|
|
|
|
|
|
|
|
if(!IsOperAdmin(source_p))
|
|
|
|
{
|
|
|
|
sendto_one(source_p, form_str(ERR_NOPRIVS),
|
|
|
|
me.name, source_p->name, "admin");
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
for (i = 0; i < num_mods; i++)
|
|
|
|
{
|
|
|
|
if(parc > 1)
|
|
|
|
{
|
|
|
|
if(match(parv[1], modlist[i]->name))
|
|
|
|
{
|
|
|
|
sendto_one(source_p, form_str(RPL_MODLIST),
|
|
|
|
me.name, source_p->name,
|
|
|
|
modlist[i]->name,
|
|
|
|
modlist[i]->address,
|
|
|
|
modlist[i]->version, modlist[i]->core ? "(core)" : "");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
sendto_one(source_p, form_str(RPL_MODLIST),
|
|
|
|
me.name, source_p->name, modlist[i]->name,
|
|
|
|
modlist[i]->address, modlist[i]->version,
|
|
|
|
modlist[i]->core ? "(core)" : "");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
sendto_one(source_p, form_str(RPL_ENDOFMODLIST), me.name, source_p->name);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* unload and reload all modules */
|
|
|
|
static int
|
|
|
|
mo_modrestart(struct Client *client_p, struct Client *source_p, int parc, const char **parv)
|
|
|
|
{
|
|
|
|
int modnum;
|
|
|
|
|
|
|
|
if(!IsOperAdmin(source_p))
|
|
|
|
{
|
|
|
|
sendto_one(source_p, form_str(ERR_NOPRIVS),
|
|
|
|
me.name, source_p->name, "admin");
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2007-01-25 07:23:01 +00:00
|
|
|
sendto_one_notice(source_p, ":Reloading all modules");
|
2007-01-25 06:40:21 +00:00
|
|
|
|
|
|
|
modnum = num_mods;
|
|
|
|
while (num_mods)
|
|
|
|
unload_one_module(modlist[0]->name, 0);
|
|
|
|
|
|
|
|
load_all_modules(0);
|
|
|
|
load_core_modules(0);
|
|
|
|
rehash(0);
|
|
|
|
|
|
|
|
sendto_realops_snomask(SNO_GENERAL, L_ALL,
|
|
|
|
"Module Restart: %d modules unloaded, %d modules loaded",
|
|
|
|
modnum, num_mods);
|
|
|
|
ilog(L_MAIN, "Module Restart: %d modules unloaded, %d modules loaded", modnum, num_mods);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#ifndef RTLD_NOW
|
|
|
|
#define RTLD_NOW RTLD_LAZY /* openbsd deficiency */
|
|
|
|
#endif
|
|
|
|
|
2008-12-02 23:39:07 +00:00
|
|
|
#ifndef RTLD_LOCAL
|
|
|
|
#define RTLD_LOCAL 0
|
|
|
|
#endif
|
|
|
|
|
2007-01-25 06:40:21 +00:00
|
|
|
#ifdef CHARYBDIS_PROFILE
|
|
|
|
# ifndef RTLD_PROFILE
|
|
|
|
# warning libdl may not support profiling, sucks. :(
|
|
|
|
# define RTLD_PROFILE 0
|
|
|
|
# endif
|
|
|
|
#endif
|
|
|
|
|
|
|
|
static void increase_modlist(void);
|
|
|
|
|
|
|
|
#define MODS_INCREMENT 10
|
|
|
|
|
|
|
|
static char unknown_ver[] = "<unknown>";
|
|
|
|
|
|
|
|
/* This file contains the core functions to use dynamic libraries.
|
|
|
|
* -TimeMr14C
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
|
|
#ifdef HAVE_MACH_O_DYLD_H
|
|
|
|
/*
|
|
|
|
** jmallett's dl*(3) shims for NSModule(3) systems.
|
|
|
|
*/
|
|
|
|
#include <mach-o/dyld.h>
|
|
|
|
|
|
|
|
#ifndef HAVE_DLOPEN
|
|
|
|
#ifndef RTLD_LAZY
|
|
|
|
#define RTLD_LAZY 2185 /* built-in dl*(3) don't care */
|
|
|
|
#endif
|
|
|
|
|
|
|
|
void undefinedErrorHandler(const char *);
|
|
|
|
NSModule multipleErrorHandler(NSSymbol, NSModule, NSModule);
|
|
|
|
void linkEditErrorHandler(NSLinkEditErrors, int, const char *, const char *);
|
|
|
|
char *dlerror(void);
|
|
|
|
void *dlopen(char *, int);
|
|
|
|
int dlclose(void *);
|
|
|
|
void *dlsym(void *, char *);
|
|
|
|
|
|
|
|
static int firstLoad = TRUE;
|
|
|
|
static int myDlError;
|
|
|
|
static char *myErrorTable[] = { "Loading file as object failed\n",
|
|
|
|
"Loading file as object succeeded\n",
|
|
|
|
"Not a valid shared object\n",
|
|
|
|
"Architecture of object invalid on this architecture\n",
|
|
|
|
"Invalid or corrupt image\n",
|
|
|
|
"Could not access object\n",
|
|
|
|
"NSCreateObjectFileImageFromFile failed\n",
|
|
|
|
NULL
|
|
|
|
};
|
|
|
|
|
|
|
|
void
|
|
|
|
undefinedErrorHandler(const char *symbolName)
|
|
|
|
{
|
|
|
|
sendto_realops_snomask(SNO_GENERAL, L_ALL, "Undefined symbol: %s", symbolName);
|
|
|
|
ilog(L_MAIN, "Undefined symbol: %s", symbolName);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
NSModule
|
|
|
|
multipleErrorHandler(NSSymbol s, NSModule old, NSModule new)
|
|
|
|
{
|
|
|
|
/* XXX
|
|
|
|
** This results in substantial leaking of memory... Should free one
|
|
|
|
** module, maybe?
|
|
|
|
*/
|
|
|
|
sendto_realops_snomask(SNO_GENERAL, L_ALL,
|
|
|
|
"Symbol `%s' found in `%s' and `%s'",
|
|
|
|
NSNameOfSymbol(s), NSNameOfModule(old), NSNameOfModule(new));
|
|
|
|
ilog(L_MAIN, "Symbol `%s' found in `%s' and `%s'",
|
|
|
|
NSNameOfSymbol(s), NSNameOfModule(old), NSNameOfModule(new));
|
|
|
|
/* We return which module should be considered valid, I believe */
|
|
|
|
return new;
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
linkEditErrorHandler(NSLinkEditErrors errorClass, int errnum,
|
|
|
|
const char *fileName, const char *errorString)
|
|
|
|
{
|
|
|
|
sendto_realops_snomask(SNO_GENERAL, L_ALL,
|
|
|
|
"Link editor error: %s for %s", errorString, fileName);
|
|
|
|
ilog(L_MAIN, "Link editor error: %s for %s", errorString, fileName);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
char *
|
|
|
|
dlerror(void)
|
|
|
|
{
|
|
|
|
return myDlError == NSObjectFileImageSuccess ? NULL : myErrorTable[myDlError % 7];
|
|
|
|
}
|
|
|
|
|
|
|
|
void *
|
|
|
|
dlopen(char *filename, int unused)
|
|
|
|
{
|
|
|
|
NSObjectFileImage myImage;
|
|
|
|
NSModule myModule;
|
|
|
|
|
|
|
|
if(firstLoad)
|
|
|
|
{
|
|
|
|
/*
|
|
|
|
** If we are loading our first symbol (huzzah!) we should go ahead
|
|
|
|
** and install link editor error handling!
|
|
|
|
*/
|
|
|
|
NSLinkEditErrorHandlers linkEditorErrorHandlers;
|
|
|
|
|
|
|
|
linkEditorErrorHandlers.undefined = undefinedErrorHandler;
|
|
|
|
linkEditorErrorHandlers.multiple = multipleErrorHandler;
|
|
|
|
linkEditorErrorHandlers.linkEdit = linkEditErrorHandler;
|
|
|
|
NSInstallLinkEditErrorHandlers(&linkEditorErrorHandlers);
|
|
|
|
firstLoad = FALSE;
|
|
|
|
}
|
|
|
|
myDlError = NSCreateObjectFileImageFromFile(filename, &myImage);
|
|
|
|
if(myDlError != NSObjectFileImageSuccess)
|
|
|
|
{
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
myModule = NSLinkModule(myImage, filename, NSLINKMODULE_OPTION_PRIVATE);
|
|
|
|
return (void *) myModule;
|
|
|
|
}
|
|
|
|
|
|
|
|
int
|
|
|
|
dlclose(void *myModule)
|
|
|
|
{
|
|
|
|
NSUnLinkModule(myModule, FALSE);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
void *
|
|
|
|
dlsym(void *myModule, char *mySymbolName)
|
|
|
|
{
|
|
|
|
NSSymbol mySymbol;
|
|
|
|
|
|
|
|
mySymbol = NSLookupSymbolInModule((NSModule) myModule, mySymbolName);
|
|
|
|
return NSAddressOfSymbol(mySymbol);
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
* HPUX dl compat functions
|
|
|
|
*/
|
|
|
|
#if defined(HAVE_SHL_LOAD) && !defined(HAVE_DLOPEN)
|
|
|
|
#define RTLD_LAZY BIND_DEFERRED
|
|
|
|
#define RTLD_GLOBAL DYNAMIC_PATH
|
|
|
|
#define dlopen(file,mode) (void *)shl_load((file), (mode), (long) 0)
|
|
|
|
#define dlclose(handle) shl_unload((shl_t)(handle))
|
|
|
|
#define dlsym(handle,name) hpux_dlsym(handle,name)
|
|
|
|
#define dlerror() strerror(errno)
|
|
|
|
|
|
|
|
static void *
|
|
|
|
hpux_dlsym(void *handle, char *name)
|
|
|
|
{
|
|
|
|
void *sym_addr;
|
|
|
|
if(!shl_findsym((shl_t *) & handle, name, TYPE_UNDEFINED, &sym_addr))
|
|
|
|
return sym_addr;
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
/* unload_one_module()
|
|
|
|
*
|
|
|
|
* inputs - name of module to unload
|
|
|
|
* - 1 to say modules unloaded, 0 to not
|
|
|
|
* output - 0 if successful, -1 if error
|
|
|
|
* side effects - module is unloaded
|
|
|
|
*/
|
|
|
|
int
|
|
|
|
unload_one_module(const char *name, int warn)
|
|
|
|
{
|
|
|
|
int modindex;
|
|
|
|
|
|
|
|
if((modindex = findmodule_byname(name)) == -1)
|
|
|
|
return -1;
|
|
|
|
|
|
|
|
/*
|
|
|
|
** XXX - The type system in C does not allow direct conversion between
|
|
|
|
** data and function pointers, but as it happens, most C compilers will
|
|
|
|
** safely do this, however it is a theoretical overlow to cast as we
|
|
|
|
** must do here. I have library functions to take care of this, but
|
|
|
|
** despite being more "correct" for the C language, this is more
|
|
|
|
** practical. Removing the abuse of the ability to cast ANY pointer
|
|
|
|
** to and from an integer value here will break some compilers.
|
|
|
|
** -jmallett
|
|
|
|
*/
|
|
|
|
/* Left the comment in but the code isn't here any more -larne */
|
|
|
|
switch (modlist[modindex]->mapi_version)
|
|
|
|
{
|
|
|
|
case 1:
|
|
|
|
{
|
|
|
|
struct mapi_mheader_av1 *mheader = modlist[modindex]->mapi_header;
|
|
|
|
if(mheader->mapi_command_list)
|
|
|
|
{
|
|
|
|
struct Message **m;
|
|
|
|
for (m = mheader->mapi_command_list; *m; ++m)
|
|
|
|
mod_del_cmd(*m);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* hook events are never removed, we simply lose the
|
|
|
|
* ability to call them --fl
|
|
|
|
*/
|
|
|
|
if(mheader->mapi_hfn_list)
|
|
|
|
{
|
|
|
|
mapi_hfn_list_av1 *m;
|
|
|
|
for (m = mheader->mapi_hfn_list; m->hapi_name; ++m)
|
|
|
|
remove_hook(m->hapi_name, m->fn);
|
|
|
|
}
|
|
|
|
|
|
|
|
if(mheader->mapi_unregister)
|
|
|
|
mheader->mapi_unregister();
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
default:
|
|
|
|
sendto_realops_snomask(SNO_GENERAL, L_ALL,
|
|
|
|
"Unknown/unsupported MAPI version %d when unloading %s!",
|
|
|
|
modlist[modindex]->mapi_version, modlist[modindex]->name);
|
|
|
|
ilog(L_MAIN, "Unknown/unsupported MAPI version %d when unloading %s!",
|
|
|
|
modlist[modindex]->mapi_version, modlist[modindex]->name);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
dlclose(modlist[modindex]->address);
|
|
|
|
|
2008-04-01 22:47:17 +00:00
|
|
|
rb_free(modlist[modindex]->name);
|
2010-03-05 21:05:15 +00:00
|
|
|
memmove(&modlist[modindex], &modlist[modindex + 1],
|
2007-01-25 06:40:21 +00:00
|
|
|
sizeof(struct module) * ((num_mods - 1) - modindex));
|
|
|
|
|
|
|
|
if(num_mods != 0)
|
|
|
|
num_mods--;
|
|
|
|
|
|
|
|
if(warn == 1)
|
|
|
|
{
|
|
|
|
ilog(L_MAIN, "Module %s unloaded", name);
|
|
|
|
sendto_realops_snomask(SNO_GENERAL, L_ALL, "Module %s unloaded", name);
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
* load_a_module()
|
|
|
|
*
|
|
|
|
* inputs - path name of module, int to notice, int of core
|
|
|
|
* output - -1 if error 0 if success
|
|
|
|
* side effects - loads a module if successful
|
|
|
|
*/
|
|
|
|
int
|
|
|
|
load_a_module(const char *path, int warn, int core)
|
|
|
|
{
|
|
|
|
void *tmpptr = NULL;
|
|
|
|
|
|
|
|
char *mod_basename;
|
|
|
|
const char *ver;
|
|
|
|
|
|
|
|
int *mapi_version;
|
|
|
|
|
2008-12-02 23:59:13 +00:00
|
|
|
mod_basename = rb_basename(path);
|
2007-01-25 06:40:21 +00:00
|
|
|
|
|
|
|
#ifdef CHARYBDIS_PROFILE
|
2008-12-02 23:39:07 +00:00
|
|
|
tmpptr = dlopen(path, RTLD_NOW | RTLD_LOCAL | RTLD_PROFILE);
|
2007-01-25 06:40:21 +00:00
|
|
|
#else
|
2008-12-02 23:39:07 +00:00
|
|
|
tmpptr = dlopen(path, RTLD_NOW | RTLD_LOCAL);
|
2007-01-25 06:40:21 +00:00
|
|
|
#endif
|
|
|
|
|
|
|
|
if(tmpptr == NULL)
|
|
|
|
{
|
|
|
|
const char *err = dlerror();
|
|
|
|
|
|
|
|
sendto_realops_snomask(SNO_GENERAL, L_ALL,
|
|
|
|
"Error loading module %s: %s", mod_basename, err);
|
|
|
|
ilog(L_MAIN, "Error loading module %s: %s", mod_basename, err);
|
2008-04-01 22:47:17 +00:00
|
|
|
rb_free(mod_basename);
|
2007-01-25 06:40:21 +00:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
* _mheader is actually a struct mapi_mheader_*, but mapi_version
|
|
|
|
* is always the first member of this structure, so we treate it
|
|
|
|
* as a single int in order to determine the API version.
|
|
|
|
* -larne.
|
|
|
|
*/
|
|
|
|
mapi_version = (int *) (uintptr_t) dlsym(tmpptr, "_mheader");
|
|
|
|
if((mapi_version == NULL
|
|
|
|
&& (mapi_version = (int *) (uintptr_t) dlsym(tmpptr, "__mheader")) == NULL)
|
|
|
|
|| MAPI_MAGIC(*mapi_version) != MAPI_MAGIC_HDR)
|
|
|
|
{
|
|
|
|
sendto_realops_snomask(SNO_GENERAL, L_ALL,
|
|
|
|
"Data format error: module %s has no MAPI header.",
|
|
|
|
mod_basename);
|
|
|
|
ilog(L_MAIN, "Data format error: module %s has no MAPI header.", mod_basename);
|
|
|
|
(void) dlclose(tmpptr);
|
2008-04-01 22:47:17 +00:00
|
|
|
rb_free(mod_basename);
|
2007-01-25 06:40:21 +00:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
switch (MAPI_VERSION(*mapi_version))
|
|
|
|
{
|
|
|
|
case 1:
|
|
|
|
{
|
|
|
|
struct mapi_mheader_av1 *mheader = (struct mapi_mheader_av1 *) mapi_version; /* see above */
|
|
|
|
if(mheader->mapi_register && (mheader->mapi_register() == -1))
|
|
|
|
{
|
|
|
|
ilog(L_MAIN, "Module %s indicated failure during load.",
|
|
|
|
mod_basename);
|
|
|
|
sendto_realops_snomask(SNO_GENERAL, L_ALL,
|
|
|
|
"Module %s indicated failure during load.",
|
|
|
|
mod_basename);
|
|
|
|
dlclose(tmpptr);
|
2008-04-01 22:47:17 +00:00
|
|
|
rb_free(mod_basename);
|
2007-01-25 06:40:21 +00:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
if(mheader->mapi_command_list)
|
|
|
|
{
|
|
|
|
struct Message **m;
|
|
|
|
for (m = mheader->mapi_command_list; *m; ++m)
|
|
|
|
mod_add_cmd(*m);
|
|
|
|
}
|
|
|
|
|
|
|
|
if(mheader->mapi_hook_list)
|
|
|
|
{
|
|
|
|
mapi_hlist_av1 *m;
|
|
|
|
for (m = mheader->mapi_hook_list; m->hapi_name; ++m)
|
|
|
|
*m->hapi_id = register_hook(m->hapi_name);
|
|
|
|
}
|
|
|
|
|
|
|
|
if(mheader->mapi_hfn_list)
|
|
|
|
{
|
|
|
|
mapi_hfn_list_av1 *m;
|
|
|
|
for (m = mheader->mapi_hfn_list; m->hapi_name; ++m)
|
|
|
|
add_hook(m->hapi_name, m->fn);
|
|
|
|
}
|
|
|
|
|
|
|
|
ver = mheader->mapi_module_version;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
default:
|
|
|
|
ilog(L_MAIN, "Module %s has unknown/unsupported MAPI version %d.",
|
|
|
|
mod_basename, MAPI_VERSION(*mapi_version));
|
|
|
|
sendto_realops_snomask(SNO_GENERAL, L_ALL,
|
|
|
|
"Module %s has unknown/unsupported MAPI version %d.",
|
|
|
|
mod_basename, *mapi_version);
|
|
|
|
dlclose(tmpptr);
|
2008-04-01 22:47:17 +00:00
|
|
|
rb_free(mod_basename);
|
2007-01-25 06:40:21 +00:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
if(ver == NULL)
|
|
|
|
ver = unknown_ver;
|
|
|
|
|
|
|
|
increase_modlist();
|
|
|
|
|
2008-04-01 23:07:29 +00:00
|
|
|
modlist[num_mods] = rb_malloc(sizeof(struct module));
|
2007-01-25 06:40:21 +00:00
|
|
|
modlist[num_mods]->address = tmpptr;
|
|
|
|
modlist[num_mods]->version = ver;
|
|
|
|
modlist[num_mods]->core = core;
|
2008-04-01 23:26:34 +00:00
|
|
|
modlist[num_mods]->name = rb_strdup(mod_basename);
|
2007-01-25 06:40:21 +00:00
|
|
|
modlist[num_mods]->mapi_header = mapi_version;
|
|
|
|
modlist[num_mods]->mapi_version = MAPI_VERSION(*mapi_version);
|
|
|
|
num_mods++;
|
|
|
|
|
|
|
|
if(warn == 1)
|
|
|
|
{
|
|
|
|
sendto_realops_snomask(SNO_GENERAL, L_ALL,
|
|
|
|
"Module %s [version: %s; MAPI version: %d] loaded at 0x%lx",
|
|
|
|
mod_basename, ver, MAPI_VERSION(*mapi_version),
|
|
|
|
(unsigned long) tmpptr);
|
|
|
|
ilog(L_MAIN, "Module %s [version: %s; MAPI version: %d] loaded at 0x%lx",
|
|
|
|
mod_basename, ver, MAPI_VERSION(*mapi_version), (unsigned long) tmpptr);
|
|
|
|
}
|
2008-04-01 22:47:17 +00:00
|
|
|
rb_free(mod_basename);
|
2007-01-25 06:40:21 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* increase_modlist
|
|
|
|
*
|
|
|
|
* inputs - NONE
|
|
|
|
* output - NONE
|
|
|
|
* side effects - expand the size of modlist if necessary
|
|
|
|
*/
|
|
|
|
static void
|
|
|
|
increase_modlist(void)
|
|
|
|
{
|
|
|
|
struct module **new_modlist = NULL;
|
|
|
|
|
|
|
|
if((num_mods + 1) < max_mods)
|
|
|
|
return;
|
|
|
|
|
2008-04-01 23:07:29 +00:00
|
|
|
new_modlist = (struct module **) rb_malloc(sizeof(struct module) *
|
2007-01-25 06:40:21 +00:00
|
|
|
(max_mods + MODS_INCREMENT));
|
|
|
|
memcpy((void *) new_modlist, (void *) modlist, sizeof(struct module) * num_mods);
|
|
|
|
|
2008-04-01 22:47:17 +00:00
|
|
|
rb_free(modlist);
|
2007-01-25 06:40:21 +00:00
|
|
|
modlist = new_modlist;
|
|
|
|
max_mods += MODS_INCREMENT;
|
|
|
|
}
|
|
|
|
|
|
|
|
#else /* STATIC_MODULES */
|
|
|
|
|
|
|
|
/* load_all_modules()
|
|
|
|
*
|
|
|
|
* input -
|
|
|
|
* output -
|
|
|
|
* side effects - all the msgtabs are added for static modules
|
|
|
|
*/
|
|
|
|
void
|
|
|
|
load_all_modules(int warn)
|
|
|
|
{
|
|
|
|
load_static_modules();
|
|
|
|
}
|
|
|
|
|
|
|
|
#endif /* STATIC_MODULES */
|