Added module loading capabilities

Added basic module loading capabilities.
Created very basic modules

Signed-off-by: Gergely Polonkai (W00d5t0ck) <polesz@w00d5t0ck.info>
This commit is contained in:
Gergely Polonkai (W00d5t0ck) 2011-01-26 17:54:57 +01:00
parent 4da2c703dc
commit 8216a42444
11 changed files with 188 additions and 6 deletions

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@ -1 +1,2 @@
SUBDIRS = src SUBDIRS = src modules
ACLOCAL_AMFLAGS = -I m4

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@ -3,11 +3,15 @@ AM_INIT_AUTOMAKE
AC_CONFIG_SRCDIR([src/wxmppd.c]) AC_CONFIG_SRCDIR([src/wxmppd.c])
AC_CONFIG_HEADERS([config.h]) AC_CONFIG_HEADERS([config.h])
AC_CONFIG_FILES([Makefile AC_CONFIG_FILES([Makefile
src/Makefile]) src/Makefile
modules/Makefile])
AC_CONFIG_MACRO_DIR([m4])
AC_PROG_CC AC_PROG_CC
AC_FUNC_MMAP AM_PROG_LIBTOOL
PKG_CHECK_MODULES([LIBXML2], [libxml-2.0]) PKG_CHECK_MODULES([LIBXML2], [libxml-2.0])
PKG_CHECK_MODULES([GLIB], [glib-2.0]) PKG_CHECK_MODULES([GLIB], [glib-2.0])
LIBS="$LIBXML2_LIBS $GLIB_LIBS $LIBS" PKG_CHECK_MODULES([GMODULE], [gmodule-2.0])
CFLAGS="$LIBXML2_CFLAGS $GLIB_CFLAGS $CFLAGS" LIBS="$LIBXML2_LIBS $GLIB_LIBS $GMODULE_LIBS $LIBS"
CFLAGS="$LIBXML2_CFLAGS $GLIB_CFLAGS $GMODULE_CFLAGS $CFLAGS"
AC_OUTPUT AC_OUTPUT

9
modules/Makefile.am Normal file
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@ -0,0 +1,9 @@
lib_LTLIBRARIES = libmod-layer-gnutls.la libmod-auth-gsasl.la libmod-users-sqlite3.la libmod-roster-sqlite3.la
libmod_layer_gnutls_la_SOURCES = layer-gnutls.c
libmod_layer_gnutls_la_CPPFLAGS = -I ../src
libmod_auth_gsasl_la_SOURCES = auth-gsasl.c
libmod_auth_gsasl_la_CPPFLAGS = -I ../src
libmod_users_sqlite3_la_SOURCES = users-sqlite3.c
libmod_users_sqlite3_la_CPPFLAGS = -I ../src
libmod_roster_sqlite3_la_SOURCES = roster-sqlite3.c
libmod_roster_sqlite3_la_CPPFLAGS = -I ../src

16
modules/auth-gsasl.c Normal file
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@ -0,0 +1,16 @@
#include "module.h"
int wxmppd_mod_auth_gsasl_load(funcptr *);
const wxmppd_module_data_t module_data = {
"auth-gsasl",
"GNU SASL authentication extension",
(funcptr)wxmppd_mod_auth_gsasl_load,
};
int
wxmppd_mod_auth_gsasl_load(funcptr *global_functions)
{
/* Register authentication extension "auth-gsasl" */
}

16
modules/layer-gnutls.c Normal file
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@ -0,0 +1,16 @@
#include "module.h"
int wxmppd_mod_layer_gnutls_load(funcptr *);
const wxmppd_module_data_t module_data = {
"layer-gnutls",
"GnuTLS interface extension",
(funcptr)wxmppd_mod_layer_gnutls_load,
};
int
wxmppd_mod_layer_gnutls_load(funcptr *global_functions)
{
/* Register interface extension "layer-tls" */
}

16
modules/roster-sqlite3.c Normal file
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@ -0,0 +1,16 @@
#include "module.h"
int wxmppd_mod_roster_sqlite3_load(funcptr *);
const wxmppd_module_data_t module_data = {
"roster-sqlite3",
"SQLite3 storage module for roster data storage",
(funcptr)wxmppd_mod_roster_sqlite3_load,
};
int
wxmppd_mod_roster_sqlite3_load(funcptr *global_functions)
{
/* Register roster storage extension "sqlite3" */
}

16
modules/users-sqlite3.c Normal file
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@ -0,0 +1,16 @@
#include "module.h"
int wxmppd_mod_users_sqlite3_load(funcptr *);
const wxmppd_module_data_t module_data = {
"users-sqlite3",
"SQLite3 storage module for user data storage",
(funcptr)wxmppd_mod_users_sqlite3_load,
};
int
wxmppd_mod_users_sqlite3_load(funcptr *global_functions)
{
/* Register user storage extension "sqlite3" */
}

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@ -1,3 +1,4 @@
bin_PROGRAMS = wxmppd bin_PROGRAMS = wxmppd
wxmppd_SOURCES = wxmppd.c configfiles.c modules.c wxmppd_SOURCES = wxmppd.c configfiles.c modules.c
AM_CFLAGS = -Wall -O2
AM_CPPFLAGS = -DSYSCONFDIR='"$(sysconfdir)"' -DLIBDIR='"$(libdir)"' AM_CPPFLAGS = -DSYSCONFDIR='"$(sysconfdir)"' -DLIBDIR='"$(libdir)"'

12
src/module.h Normal file
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@ -0,0 +1,12 @@
#ifndef __WXMPPD_MODULE_H
# define __WXMPPD_MODULE_H
typedef int * (*funcptr) ();
typedef struct _wxmppd_module_data_t {
char *name;
char *description;
funcptr *load_func;
} wxmppd_module_data_t;
#endif /* __WXMPPD_MODULE_H */

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@ -1,11 +1,85 @@
/* wXMPPd - (Trying to be) full featured XMPP daemon
* Copyright (C) 2011 Gergely Polonkai
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h> #include <stdio.h>
#include <glib.h> #include <glib.h>
#include <gmodule.h>
#include "wxmppd.h"
#include "modules.h" #include "modules.h"
#include "module.h"
funcptr wxmppd_functionTable[] = {
};
static void
loadModuleFromList(gpointer data, gpointer user_data)
{
(void)wxmppd_loadModule((char *)data, FALSE);
}
int
wxmppd_setActiveModules(void)
{
g_slist_foreach(activeConfig->modules_to_load, loadModuleFromList, NULL);
}
int int
wxmppd_loadModule(char *moduleName, gboolean dryRun) wxmppd_loadModule(char *moduleName, gboolean dryRun)
{ {
printf("Will load module %s\n", moduleName); gchar *moduleFile;
GModule *module;
wxmppd_module_data_t *module_data;
moduleFile = g_strdup_printf("%s/lib%s.so", activeConfig->modules_dir, moduleName);
if ((module = g_module_open(moduleFile, G_MODULE_BIND_LAZY)) == NULL)
{
g_printf("Unable to load module: %s\n", g_module_error());
return 1;
}
if (!g_module_symbol(module, "module_data", (gpointer *)&module_data))
{
g_printf("Bad module: %s\n", g_module_error());
if (!g_module_close(module))
{
g_printf("Unable to close module: %s\n", g_module_error());
}
return 1;
}
if (module_data == NULL)
{
g_printf("Bad module, it contains no module data structure!\n");
if (!g_module_close(module))
{
g_printf("Unable to close module: %s\n", g_module_error());
}
return 1;
}
printf("Loaded module named '%s'\n", module_data->name);
if (!g_module_close(module))
{
g_printf("Unable to close module: %s\n", g_module_error());
}
} }

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@ -1,3 +1,20 @@
/* wXMPPd - (Trying to be) full featured XMPP daemon
* Copyright (C) 2011 Gergely Polonkai
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef __WXMPPD_MODULES_H #ifndef __WXMPPD_MODULES_H
# define __WXMPPD_MODULES_H # define __WXMPPD_MODULES_H