*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
- * Copyright 1999 Gerald Combs
+ * Copyright 1998 Gerald Combs
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
*
* 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.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
+#include "config.h"
#include "plugins.h"
+#include <stdio.h>
+
+/* linked list of Lua plugins */
+wslua_plugin *wslua_plugin_list = NULL;
#ifdef HAVE_PLUGINS
#include <direct.h>
#endif
-#include <string.h>
#include <stdlib.h>
+#include <string.h>
#include <errno.h>
#ifdef HAVE_UNISTD_H
#include "report_err.h"
/* linked list of all plugins */
-plugin *plugin_list;
+plugin *plugin_list = NULL;
-#define PLUGINS_DIR_NAME "plugins"
+static void register_all_wiretap_modules(void);
+static void register_all_codecs(void);
/*
* add a new plugin to the list
*/
static int
add_plugin(void *handle, gchar *name, gchar *version,
- void (*register_protoinfo)(void), void (*reg_handoff)(void),
- void (*register_tap_listener)(void),
- void (*register_wtap_module)(void),
- void (*register_codec_module)(void))
+ void (*register_protoinfo)(void),
+ void (*reg_handoff)(void),
+ void (*register_tap_listener)(void),
+ void (*register_wtap_module)(void),
+ void (*register_codec_module)(void))
{
plugin *new_plug, *pt_plug;
pt_plug = plugin_list;
if (!pt_plug) /* the list is empty */
{
- new_plug = (plugin *)g_malloc(sizeof(plugin));
- if (new_plug == NULL) return ENOMEM;
+ new_plug = (plugin *)g_malloc(sizeof(plugin));
+ if (new_plug == NULL)
+ return ENOMEM;
plugin_list = new_plug;
}
else
{
- while (1)
- {
- /* check if the same name/version is already registered */
- if (!strcmp(pt_plug->name, name) &&
- !strcmp(pt_plug->version, version))
- {
- return EEXIST;
- }
-
- /* we found the last plugin in the list */
- if (pt_plug->next == NULL) break;
-
- pt_plug = pt_plug->next;
- }
- new_plug = (plugin *)g_malloc(sizeof(plugin));
- if (new_plug == NULL) return ENOMEM;
- pt_plug->next = new_plug;
+ while (1)
+ {
+ /* check if the same name/version is already registered */
+ if (!strcmp(pt_plug->name, name) &&
+ !strcmp(pt_plug->version, version))
+ {
+ return EEXIST;
+ }
+
+ /* we found the last plugin in the list */
+ if (pt_plug->next == NULL)
+ break;
+
+ pt_plug = pt_plug->next;
+ }
+ new_plug = (plugin *)g_malloc(sizeof(plugin));
+ if (new_plug == NULL)
+ return ENOMEM;
+ pt_plug->next = new_plug;
}
new_plug->handle = handle;
static void
plugins_scan_dir(const char *dirname)
{
-#define FILENAME_LEN 1024
+#define FILENAME_LEN 1024
WS_DIR *dir; /* scanned directory */
WS_DIRENT *file; /* current file */
const char *name;
gchar filename[FILENAME_LEN]; /* current file name */
- GModule *handle; /* handle returned by dlopen */
+ GModule *handle; /* handle returned by g_module_open */
gchar *version;
gpointer gp;
void (*register_protoinfo)(void);
void (*reg_handoff)(void);
void (*register_tap_listener)(void);
- void (*register_wtap_module)(void);
- void (*register_codec_module)(void);
+ void (*register_wtap_module)(void);
+ void (*register_codec_module)(void);
gchar *dot;
int cr;
if ((dir = ws_dir_open(dirname, 0, NULL)) != NULL)
{
-
- while ((file = ws_dir_read_name(dir)) != NULL)
- {
- name = ws_dir_get_name(file);
-
- /*
- * GLib 2.x defines G_MODULE_SUFFIX as the extension used on
- * this platform for loadable modules.
- */
- /* skip anything but files with G_MODULE_SUFFIX */
+ while ((file = ws_dir_read_name(dir)) != NULL)
+ {
+ name = ws_dir_get_name(file);
+
+ /*
+ * GLib 2.x defines G_MODULE_SUFFIX as the extension used on
+ * this platform for loadable modules.
+ */
+ /* skip anything but files with G_MODULE_SUFFIX */
dot = strrchr(name, '.');
if (dot == NULL || strcmp(dot+1, G_MODULE_SUFFIX) != 0)
- continue;
-
- g_snprintf(filename, FILENAME_LEN, "%s" G_DIR_SEPARATOR_S "%s",
- dirname, name);
- if ((handle = g_module_open(filename, 0)) == NULL)
- {
- report_failure("Couldn't load module %s: %s", filename,
- g_module_error());
- continue;
- }
-
- if (!g_module_symbol(handle, "version", &gp))
- {
- report_failure("The plugin %s has no version symbol", name);
- g_module_close(handle);
- continue;
- }
- version = gp;
-
- /*
- * Do we have a register routine?
- */
- if (g_module_symbol(handle, "plugin_register", &gp))
- {
- /*
- * Yes - this plugin includes one or more dissectors.
- */
- register_protoinfo = gp;
- }
- else
- {
- /*
- * No - no dissectors.
- */
- register_protoinfo = NULL;
- }
-
- /*
- * Do we have a reg_handoff routine?
- */
- if (g_module_symbol(handle, "plugin_reg_handoff", &gp))
- {
- /*
- * Yes.
- */
- reg_handoff = gp;
- }
- else
- {
- /*
- * No - that's OK even if we have dissectors, as long
- * as the plugin registers by name *and* there's
- * a caller looking for that name.
- */
- reg_handoff = NULL;
- }
-
- /*
- * Do we have a register_tap_listener routine?
- */
- if (g_module_symbol(handle, "plugin_register_tap_listener", &gp))
- {
- /*
- * Yes - this plugin includes one or more taps.
- */
- register_tap_listener = gp;
- }
- else
- {
- /*
- * No - no taps here.
- */
- register_tap_listener = NULL;
- }
-
- /*
- * Do we have an old-style init routine?
- */
- if (g_module_symbol(handle, "plugin_init", &gp))
- {
- /*
- * Yes - do we also have a register routine or a
- * register_tap_listener routine? If so, this is a bogus
- * hybrid of an old-style and new-style plugin.
- */
- if (register_protoinfo != NULL || register_tap_listener != NULL)
- {
- report_failure("The plugin '%s' has an old plugin init routine\nand a new register or register_tap_listener routine.",
- name);
- g_module_close(handle);
- continue;
- }
-
- /*
- * It's just an unsupported old-style plugin;
- */
- report_failure("The plugin '%s' has an old plugin init routine. Support has been dropped.\n Information on how to update your plugin is available at \nhttp://anonsvn.wireshark.org/wireshark/trunk/doc/README.plugins",
- name);
- g_module_close(handle);
- continue;
- }
-
- /*
- * Do we have a register_wtap_module routine?
- */
- if (g_module_symbol(handle, "register_wtap_module", &gp))
- {
- register_wtap_module = gp;
- } else {
- register_wtap_module = NULL;
- }
-
- /*
- * Do we have a register_codec_module routine?
- */
- if (g_module_symbol(handle, "register_codec_module", &gp))
- {
- register_codec_module = gp;
- } else {
- register_codec_module = NULL;
- }
-
- /*
- * Does this dissector do anything useful?
- */
- if (register_protoinfo == NULL &&
- register_tap_listener == NULL &&
- register_wtap_module == NULL &&
- register_codec_module == NULL )
- {
- /*
- * No.
- */
- report_failure("The plugin '%s' has neither a register routine, "
- "a register_tap_listener or a register_wtap_module or a register_codec_module routine",
- name);
- g_module_close(handle);
- continue;
- }
-
- /*
- * OK, attempt to add it to the list of plugins.
- */
- if ((cr = add_plugin(handle, g_strdup(name), version,
- register_protoinfo, reg_handoff,
- register_tap_listener,register_wtap_module,register_codec_module)))
- {
- if (cr == EEXIST)
- fprintf(stderr, "The plugin %s, version %s\n"
- "was found in multiple directories\n", name, version);
- else
- fprintf(stderr, "Memory allocation problem\n"
- "when processing plugin %s, version %s\n",
- name, version);
- g_module_close(handle);
- continue;
- }
-
- }
- ws_dir_close(dir);
- }
+ continue;
+
+ g_snprintf(filename, FILENAME_LEN, "%s" G_DIR_SEPARATOR_S "%s",
+ dirname, name);
+ if ((handle = g_module_open(filename, 0)) == NULL)
+ {
+ report_failure("Couldn't load module %s: %s", filename,
+ g_module_error());
+ continue;
+ }
+
+ if (!g_module_symbol(handle, "version", &gp))
+ {
+ report_failure("The plugin %s has no version symbol", name);
+ g_module_close(handle);
+ continue;
+ }
+ version = gp;
+
+ /*
+ * Do we have a register routine?
+ */
+ if (g_module_symbol(handle, "plugin_register", &gp))
+ {
+ /*
+ * Yes - this plugin includes one or more dissectors.
+ */
+ register_protoinfo = gp;
+ }
+ else
+ {
+ /*
+ * No - no dissectors.
+ */
+ register_protoinfo = NULL;
+ }
+
+ /*
+ * Do we have a reg_handoff routine?
+ */
+ if (g_module_symbol(handle, "plugin_reg_handoff", &gp))
+ {
+ /*
+ * Yes.
+ */
+ reg_handoff = gp;
+ }
+ else
+ {
+ /*
+ * No - that's OK even if we have dissectors, as long
+ * as the plugin registers by name *and* there's
+ * a caller looking for that name.
+ */
+ reg_handoff = NULL;
+ }
+
+ /*
+ * Do we have a register_tap_listener routine?
+ */
+ if (g_module_symbol(handle, "plugin_register_tap_listener", &gp))
+ {
+ /*
+ * Yes - this plugin includes one or more taps.
+ */
+ register_tap_listener = gp;
+ }
+ else
+ {
+ /*
+ * No - no taps here.
+ */
+ register_tap_listener = NULL;
+ }
+
+ /*
+ * Do we have an old-style init routine?
+ */
+ if (g_module_symbol(handle, "plugin_init", &gp))
+ {
+ /*
+ * Yes - do we also have a register routine or a
+ * register_tap_listener routine? If so, this is a bogus
+ * hybrid of an old-style and new-style plugin.
+ */
+ if (register_protoinfo != NULL || register_tap_listener != NULL)
+ {
+ report_failure("The plugin '%s' has an old plugin init routine\nand a new register or register_tap_listener routine.",
+ name);
+ g_module_close(handle);
+ continue;
+ }
+
+ /*
+ * It's just an unsupported old-style plugin;
+ */
+ report_failure("The plugin '%s' has an old plugin init routine. Support has been dropped.\n Information on how to update your plugin is available at \nhttp://anonsvn.wireshark.org/wireshark/trunk/doc/README.plugins",
+ name);
+ g_module_close(handle);
+ continue;
+ }
+
+ /*
+ * Do we have a register_wtap_module routine?
+ */
+ if (g_module_symbol(handle, "register_wtap_module", &gp))
+ {
+ register_wtap_module = gp;
+ }
+ else
+ {
+ register_wtap_module = NULL;
+ }
+
+ /*
+ * Do we have a register_codec_module routine?
+ */
+ if (g_module_symbol(handle, "register_codec_module", &gp))
+ {
+ register_codec_module = gp;
+ }
+ else
+ {
+ register_codec_module = NULL;
+ }
+
+ /*
+ * Does this dissector do anything useful?
+ */
+ if (register_protoinfo == NULL &&
+ register_tap_listener == NULL &&
+ register_wtap_module == NULL &&
+ register_codec_module == NULL )
+ {
+ /*
+ * No.
+ */
+ report_failure("The plugin '%s' has neither a register routine, "
+ "a register_tap_listener or a register_wtap_module or a register_codec_module routine",
+ name);
+ g_module_close(handle);
+ continue;
+ }
+
+ /*
+ * OK, attempt to add it to the list of plugins.
+ */
+ if ((cr = add_plugin(handle, g_strdup(name), version,
+ register_protoinfo, reg_handoff,
+ register_tap_listener,register_wtap_module,register_codec_module)))
+ {
+ if (cr == EEXIST)
+ fprintf(stderr, "The plugin %s, version %s\n"
+ "was found in multiple directories\n", name, version);
+ else
+ fprintf(stderr, "Memory allocation problem\n"
+ "when processing plugin %s, version %s\n",
+ name, version);
+ g_module_close(handle);
+ continue;
+ }
+
+ }
+ ws_dir_close(dir);
+ }
}
-/* get the personal plugin dir */
-/* Return value is malloced so the caller should g_free() it. */
-char *get_plugins_pers_dir(void)
-{
- return get_persconffile_path(PLUGINS_DIR_NAME, FALSE, FALSE);
-}
/*
* init plugins
const char *name;
char *plugin_dir_path;
char *plugins_pers_dir;
- WS_DIR *dir; /* scanned directory */
- WS_DIRENT *file; /* current file */
+ WS_DIR *dir; /* scanned directory */
+ WS_DIRENT *file; /* current file */
if (plugin_list == NULL) /* ensure init_plugins is only run once */
{
- /*
- * Scan the global plugin directory.
- * If we're running from a build directory, scan the subdirectories
- * of that directory, as the global plugin directory is the
- * "plugins" directory of the source tree, and the subdirectories
- * are the source directories for the plugins, with the plugins
- * built in those subdirectories.
- */
- plugin_dir = get_plugin_dir();
- if (running_in_build_directory()) {
- if ((dir = ws_dir_open(plugin_dir, 0, NULL)) != NULL) {
- while ((file = ws_dir_read_name(dir)) != NULL) {
- name = ws_dir_get_name(file);
- if (strcmp(name, ".") == 0 || strcmp(name, "..") == 0)
- continue; /* skip "." and ".." */
- /*
- * Get the full path of a ".libs" subdirectory of that
- * directory.
- */
- plugin_dir_path = g_strdup_printf(
- "%s" G_DIR_SEPARATOR_S "%s" G_DIR_SEPARATOR_S ".libs",
- plugin_dir, name);
- if (test_for_directory(plugin_dir_path) != EISDIR) {
- /*
- * Either it doesn't refer to a directory or it
- * refers to something that doesn't exist.
- *
- * Assume that means that the plugins are in
- * the subdirectory of the plugin directory, not
- * a ".libs" subdirectory of that subdirectory.
- */
- g_free(plugin_dir_path);
- plugin_dir_path = g_strdup_printf("%s" G_DIR_SEPARATOR_S "%s",
- plugin_dir, name);
- }
- plugins_scan_dir(plugin_dir_path);
- g_free(plugin_dir_path);
- }
- }
- } else
- plugins_scan_dir(plugin_dir);
-
- /*
- * If the program wasn't started with special privileges,
- * scan the users plugin directory. (Even if we relinquish
- * them, plugins aren't safe unless we've *permanently*
- * relinquished them, and we can't do that in Wireshark as,
- * if we need privileges to start capturing, we'd need to
- * reclaim them before each time we start capturing.)
- */
- if (!started_with_special_privs()) {
- plugins_pers_dir = get_plugins_pers_dir();
- plugins_scan_dir(plugins_pers_dir);
- g_free(plugins_pers_dir);
- }
+ /*
+ * Scan the global plugin directory.
+ * If we're running from a build directory, scan the subdirectories
+ * of that directory, as the global plugin directory is the
+ * "plugins" directory of the source tree, and the subdirectories
+ * are the source directories for the plugins, with the plugins
+ * built in those subdirectories.
+ */
+ plugin_dir = get_plugin_dir();
+ if (running_in_build_directory())
+ {
+ if ((dir = ws_dir_open(plugin_dir, 0, NULL)) != NULL)
+ {
+ while ((file = ws_dir_read_name(dir)) != NULL)
+ {
+ name = ws_dir_get_name(file);
+ if (strcmp(name, ".") == 0 || strcmp(name, "..") == 0)
+ continue; /* skip "." and ".." */
+ /*
+ * Get the full path of a ".libs" subdirectory of that
+ * directory.
+ */
+ plugin_dir_path = g_strdup_printf(
+ "%s" G_DIR_SEPARATOR_S "%s" G_DIR_SEPARATOR_S ".libs",
+ plugin_dir, name);
+ if (test_for_directory(plugin_dir_path) != EISDIR) {
+ /*
+ * Either it doesn't refer to a directory or it
+ * refers to something that doesn't exist.
+ *
+ * Assume that means that the plugins are in
+ * the subdirectory of the plugin directory, not
+ * a ".libs" subdirectory of that subdirectory.
+ */
+ g_free(plugin_dir_path);
+ plugin_dir_path = g_strdup_printf("%s" G_DIR_SEPARATOR_S "%s",
+ plugin_dir, name);
+ }
+ plugins_scan_dir(plugin_dir_path);
+ g_free(plugin_dir_path);
+ }
+ ws_dir_close(dir);
+ }
+ }
+ else
+ plugins_scan_dir(plugin_dir);
+
+ /*
+ * If the program wasn't started with special privileges,
+ * scan the users plugin directory. (Even if we relinquish
+ * them, plugins aren't safe unless we've *permanently*
+ * relinquished them, and we can't do that in Wireshark as,
+ * if we need privileges to start capturing, we'd need to
+ * reclaim them before each time we start capturing.)
+ */
+ if (!started_with_special_privs())
+ {
+ plugins_pers_dir = get_plugins_pers_dir();
+ plugins_scan_dir(plugins_pers_dir);
+ g_free(plugins_pers_dir);
+ }
}
- register_all_wiretap_modules();
- register_all_codecs();
+
+ register_all_wiretap_modules();
+ register_all_codecs();
}
void
*/
for (pt_plug = plugin_list; pt_plug != NULL; pt_plug = pt_plug->next)
{
- if (pt_plug->register_protoinfo)
- (pt_plug->register_protoinfo)();
+ if (pt_plug->register_protoinfo)
+ (pt_plug->register_protoinfo)();
}
}
*/
for (pt_plug = plugin_list; pt_plug != NULL; pt_plug = pt_plug->next)
{
- if (pt_plug->reg_handoff)
- (pt_plug->reg_handoff)();
+ if (pt_plug->reg_handoff)
+ (pt_plug->reg_handoff)();
}
}
*/
for (pt_plug = plugin_list; pt_plug != NULL; pt_plug = pt_plug->next)
{
- if (pt_plug->register_tap_listener)
- (pt_plug->register_tap_listener)();
+ if (pt_plug->register_tap_listener)
+ (pt_plug->register_tap_listener)();
}
}
-void
+static void
register_all_wiretap_modules(void)
{
plugin *pt_plug;
*/
for (pt_plug = plugin_list; pt_plug != NULL; pt_plug = pt_plug->next)
{
- if (pt_plug->register_wtap_module)
- (pt_plug->register_wtap_module)();
+ if (pt_plug->register_wtap_module)
+ (pt_plug->register_wtap_module)();
}
}
-void
+static void
register_all_codecs(void)
{
plugin *pt_plug;
*/
for (pt_plug = plugin_list; pt_plug != NULL; pt_plug = pt_plug->next)
{
- if (pt_plug->register_codec_module)
- (pt_plug->register_codec_module)();
+ if (pt_plug->register_codec_module)
+ (pt_plug->register_codec_module)();
}
}
+
+#endif /* big HAVE_PLUGINS */
+
+/*
+ * Dump plugin info to stdout. Copied from ui/gtk/plugins_dlg.c:plugins_scan.
+ */
+void
+plugins_dump_all(void)
+{
+#ifdef HAVE_PLUGINS
+ plugin *pt_plug;
+ const char *sep;
+#endif
+#ifdef HAVE_LUA
+ wslua_plugin *lua_plug;
#endif
+
+#ifdef HAVE_PLUGINS
+ for (pt_plug = plugin_list; pt_plug != NULL; pt_plug = pt_plug->next)
+ {
+ sep = "";
+
+ printf("%s\t%s\t", pt_plug->name, pt_plug->version);
+ if (pt_plug->register_protoinfo)
+ {
+ printf("dissector");
+ sep = ", ";
+ }
+ if (pt_plug->register_tap_listener)
+ {
+ printf("%stap", sep);
+ sep = ", ";
+ }
+ if (pt_plug->register_wtap_module)
+ {
+ printf("%sfile format", sep);
+ sep = ", ";
+ }
+ if (pt_plug->register_codec_module)
+ {
+ printf("%scodec", sep);
+ }
+ printf("\t%s\n", g_module_name(pt_plug->handle));
+ }
+#endif
+
+#ifdef HAVE_LUA
+ for (lua_plug = wslua_plugin_list; lua_plug != NULL; lua_plug = lua_plug->next)
+ {
+ printf("%s\t%s\tlua script\t%s\n", lua_plug->name, lua_plug->version, lua_plug->filename);
+ }
+#endif
+}
+