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Rewrite identd

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- Use gio (which is cross platform)
- Properly support multiple users
- Allow configuring port
- Allow other plugins overriding
This commit is contained in:
TingPing 2014-06-14 12:07:47 -04:00 • committed by TingPing
parent 3bb717a3b5
commit fef580ed7f
11 changed files with 260 additions and 234 deletions
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1
po/POTFILES.in
View file

@ -10,6 +10,7 @@ src/common/inbound.c
src/common/notify.c
src/common/outbound.c
src/common/plugin.c
src/common/plugin-identd.c
src/common/plugin-timer.c
src/common/server.c
src/common/servlist.c

3
src/common/Makefile.am
View file

@ -26,6 +26,7 @@ EXTRA_DIST = \
notify.h \
outbound.h \
plugin.h \
plugin-identd.h \
plugin-timer.h \
proto-irc.h \
server.h \
@ -60,7 +61,7 @@ noinst_PROGRAMS = make-te
libhexchatcommon_a_SOURCES = cfgfiles.c chanopt.c ctcp.c dcc.c hexchat.c \
history.c ignore.c inbound.c marshal.c modes.c network.c notify.c \
outbound.c plugin.c plugin-timer.c proto-irc.c server.c servlist.c \
outbound.c plugin.c plugin-identd.c plugin-timer.c proto-irc.c server.c servlist.c \
$(ssl_c) text.c tree.c url.c userlist.c util.c
libhexchatcommon_a_CFLAGS = $(LIBPROXY_CFLAGS)

2
src/common/cfgfiles.c
View file

@ -477,6 +477,7 @@ const struct prefs vars[] =
{"gui_win_width", P_OFFINT (hex_gui_win_width), TYPE_INT},
{"identd", P_OFFINT (hex_identd), TYPE_BOOL},
{"identd_port", P_OFFINT (hex_identd_port), TYPE_INT},
{"input_balloon_chans", P_OFFINT (hex_input_balloon_chans), TYPE_BOOL},
{"input_balloon_hilight", P_OFFINT (hex_input_balloon_hilight), TYPE_BOOL},
@ -772,7 +773,6 @@ load_default_config(void)
prefs.hex_gui_ulist_resizable = 1;
prefs.hex_gui_ulist_style = 1;
prefs.hex_gui_win_save = 1;
prefs.hex_identd = 1;
prefs.hex_input_flash_hilight = 1;
prefs.hex_input_flash_priv = 1;
prefs.hex_input_tray_hilight = 1;

4
src/common/common.vcxproj
View file

@ -20,7 +20,6 @@
<ClInclude Include="dcc.h" />
<ClInclude Include="fe.h" />
<ClInclude Include="history.h" />
<ClInclude Include="identd.h" />
<ClInclude Include="ignore.h" />
<ClInclude Include="inbound.h" />
<ClInclude Include="inet.h" />
@ -29,6 +28,7 @@
<ClInclude Include="network.h" />
<ClInclude Include="notify.h" />
<ClInclude Include="outbound.h" />
<ClInclude Include="plugin-identd.h" />
<ClInclude Include="plugin-timer.h" />
<ClInclude Include="plugin.h" />
<ClInclude Include="proto-irc.h" />
@ -53,7 +53,7 @@
<ClCompile Include="ctcp.c" />
<ClCompile Include="dcc.c" />
<ClCompile Include="history.c" />
<ClCompile Include="identd.c" />
<ClCompile Include="plugin-identd.c" />
<ClCompile Include="ignore.c" />
<ClCompile Include="inbound.c" />
<ClCompile Include="marshal.c" />

12
src/common/common.vcxproj.filters
View file

@ -29,9 +29,6 @@
<ClInclude Include="history.h">
<Filter>Header Files</Filter>
</ClInclude>
<ClInclude Include="identd.h">
<Filter>Header Files</Filter>
</ClInclude>
<ClInclude Include="ignore.h">
<Filter>Header Files</Filter>
</ClInclude>
@ -110,6 +107,9 @@
<ClInclude Include="marshal.h">
<Filter>Header Files</Filter>
</ClInclude>
<ClInclude Include="plugin-identd.h">
<Filter>Header Files</Filter>
</ClInclude>
</ItemGroup>
<ItemGroup>
<ClCompile Include="cfgfiles.c">
@ -127,9 +127,6 @@
<ClCompile Include="history.c">
<Filter>Source Files</Filter>
</ClCompile>
<ClCompile Include="identd.c">
<Filter>Source Files</Filter>
</ClCompile>
<ClCompile Include="ignore.c">
<Filter>Source Files</Filter>
</ClCompile>
@ -187,6 +184,9 @@
<ClCompile Include="marshal.c">
<Filter>Source Files</Filter>
</ClCompile>
<ClCompile Include="plugin-identd.c">
<Filter>Source Files</Filter>
</ClCompile>
</ItemGroup>
<ItemGroup>
<None Include="..\..\win32\config.h.tt" />

2
src/common/hexchat.c
View file

@ -42,6 +42,7 @@
#include "ignore.h"
#include "hexchat-plugin.h"
#include "plugin.h"
#include "plugin-identd.h"
#include "plugin-timer.h"
#include "notify.h"
#include "server.h"
@ -388,6 +389,7 @@ irc_init (session *sess)
done_init = TRUE;
plugin_add (sess, NULL, NULL, timer_plugin_init, NULL, NULL, FALSE);
plugin_add (sess, NULL, NULL, identd_plugin_init, identd_plugin_deinit, NULL, FALSE);
#ifdef USE_PLUGIN
if (!arg_skip_plugins)

1
src/common/hexchat.h
View file

@ -263,6 +263,7 @@ struct hexchatprefs
int hex_gui_win_state;
int hex_gui_win_top;
int hex_gui_win_width;
int hex_identd_port;
int hex_input_balloon_time;
int hex_irc_ban_type;
int hex_irc_join_delay;

195
src/common/identd.c
View file

@ -1,195 +0,0 @@
/* HexChat
* Copyright (C) 1998-2010 Peter Zelezny.
* Copyright (C) 2009-2013 Berke Viktor.
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
/* simple identd server for HexChat under Win32 */
#include "inet.h"
#include "hexchat.h"
#include "hexchatc.h"
#include "text.h"
static int identd_is_running = FALSE;
static int identd_ipv6_is_running = FALSE;
static int
identd (char *username)
{
int sok, read_sok, len;
char *p;
char buf[256];
char outbuf[256];
char ipbuf[INET_ADDRSTRLEN];
struct sockaddr_in addr;
sok = socket (AF_INET, SOCK_STREAM, 0);
if (sok == INVALID_SOCKET)
{
g_free (username);
return 0;
}
len = 1;
setsockopt (sok, SOL_SOCKET, SO_REUSEADDR, (char *) &len, sizeof (len));
memset (&addr, 0, sizeof (addr));
addr.sin_family = AF_INET;
addr.sin_port = htons (113);
if (bind (sok, (struct sockaddr *) &addr, sizeof (addr)) == SOCKET_ERROR)
{
closesocket (sok);
g_free (username);
return 0;
}
if (listen (sok, 1) == SOCKET_ERROR)
{
closesocket (sok);
g_free (username);
return 0;
}
len = sizeof (addr);
read_sok = accept (sok, (struct sockaddr *) &addr, &len);
closesocket (sok);
if (read_sok == INVALID_SOCKET)
{
g_free (username);
return 0;
}
identd_is_running = FALSE;
#if 0 /* causes random crashes, probably due to CreateThread */
EMIT_SIGNAL (XP_TE_IDENTD, current_sess, inet_ntoa (addr.sin_addr), username, NULL, NULL, 0);
#endif
inet_ntop (AF_INET, &addr.sin_addr, ipbuf, sizeof (ipbuf));
g_snprintf (outbuf, sizeof (outbuf), "*\tServicing ident request from %s as %s\n", ipbuf, username);
PrintText (current_sess, outbuf);
recv (read_sok, buf, sizeof (buf) - 1, 0);
buf[sizeof (buf) - 1] = 0; /* ensure null termination */
p = strchr (buf, ',');
if (p)
{
g_snprintf (outbuf, sizeof (outbuf) - 1, "%d, %d : USERID : UNIX : %s\r\n",
atoi (buf), atoi (p + 1), username);
outbuf[sizeof (outbuf) - 1] = 0; /* ensure null termination */
send (read_sok, outbuf, strlen (outbuf), 0);
}
sleep (1);
closesocket (read_sok);
g_free (username);
return 0;
}
static int
identd_ipv6 (char *username)
{
int sok, read_sok, len;
char *p;
char buf[256];
char outbuf[256];
char ipbuf[INET6_ADDRSTRLEN];
struct sockaddr_in6 addr;
sok = socket (AF_INET6, SOCK_STREAM, 0);
if (sok == INVALID_SOCKET)
{
g_free (username);
return 0;
}
len = 1;
setsockopt (sok, SOL_SOCKET, SO_REUSEADDR, (char *) &len, sizeof (len));
memset (&addr, 0, sizeof (addr));
addr.sin6_family = AF_INET6;
addr.sin6_port = htons (113);
if (bind (sok, (struct sockaddr *) &addr, sizeof (addr)) == SOCKET_ERROR)
{
closesocket (sok);
g_free (username);
return 0;
}
if (listen (sok, 1) == SOCKET_ERROR)
{
closesocket (sok);
g_free (username);
return 0;
}
len = sizeof (addr);
read_sok = accept (sok, (struct sockaddr *) &addr, &len);
closesocket (sok);
if (read_sok == INVALID_SOCKET)
{
g_free (username);
return 0;
}
identd_ipv6_is_running = FALSE;
inet_ntop (AF_INET6, &addr.sin6_addr, ipbuf, sizeof (ipbuf));
g_snprintf (outbuf, sizeof (outbuf), "*\tServicing ident request from %s as %s\n", ipbuf, username);
PrintText (current_sess, outbuf);
recv (read_sok, buf, sizeof (buf) - 1, 0);
buf[sizeof (buf) - 1] = 0; /* ensure null termination */
p = strchr (buf, ',');
if (p)
{
g_snprintf (outbuf, sizeof (outbuf) - 1, "%d, %d : USERID : UNIX : %s\r\n", atoi (buf), atoi (p + 1), username);
outbuf[sizeof (outbuf) - 1] = 0; /* ensure null termination */
send (read_sok, outbuf, strlen (outbuf), 0);
}
sleep (1);
closesocket (read_sok);
g_free (username);
return 0;
}
void
identd_start (char *username)
{
DWORD tid;
DWORD tidv6;
if (identd_ipv6_is_running == FALSE)
{
identd_ipv6_is_running = TRUE;
CloseHandle (CreateThread (NULL, 0, (LPTHREAD_START_ROUTINE) identd_ipv6,
g_strdup (username), 0, &tidv6));
}
if (identd_is_running == FALSE)
{
identd_is_running = TRUE;
CloseHandle (CreateThread (NULL, 0, (LPTHREAD_START_ROUTINE) identd,
g_strdup (username), 0, &tid));
}
}

216
src/common/plugin-identd.c Normal file
View file

@ -0,0 +1,216 @@
/* HexChat
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include <string.h>
#include <gio/gio.h>
#include "hexchat-plugin.h"
#define _(x) hexchat_gettext(ph,x)
static hexchat_plugin *ph;
static GSocketService *service;
static GHashTable *responses;
struct ident_info
{
GSocketConnection *conn;
gchar *username;
gchar read_buf[16];
} typedef ident_info;
static int
identd_cleanup_response_cb (gpointer userdata)
{
g_return_val_if_fail (responses != NULL, 0);
g_hash_table_remove (responses, userdata);
return 0;
}
static int
identd_command_cb (char *word[], char *word_eol[], void *userdata)
{
g_return_val_if_fail (responses != NULL, HEXCHAT_EAT_ALL);
if (word[2] && *word[2] && word[3] && *word[3])
{
guint64 port = g_ascii_strtoull (word[2], NULL, 0);
if (port && port <= G_MAXUINT16)
{
g_hash_table_insert (responses, GINT_TO_POINTER (port), g_strdup (word[3]));
/* Automatically remove entry after 30 seconds */
hexchat_hook_timer (ph, 30000, identd_cleanup_response_cb, GINT_TO_POINTER (port));
}
}
else
{
hexchat_command (ph, "HELP IDENTD");
}
return HEXCHAT_EAT_HEXCHAT;
}
static void
identd_write_ready (GOutputStream *stream, GAsyncResult *res, ident_info *info)
{
g_output_stream_write_finish (stream, res, NULL);
g_free (info->username);
g_object_unref (info->conn);
g_free (info);
}
static void
identd_read_ready (GInputStream *in_stream, GAsyncResult *res, ident_info *info)
{
GSocketAddress *sok_addr;
GOutputStream *out_stream;
guint64 local, remote;
gchar buf[512], *p;
if (g_input_stream_read_finish (in_stream, res, NULL))
{
local = g_ascii_strtoull (info->read_buf, NULL, 0);
p = strchr (info->read_buf, ',');
if (!p)
goto cleanup;
remote = g_ascii_strtoull (p + 1, NULL, 0);
if (!local || !remote || local > G_MAXUINT16 || remote > G_MAXUINT16)
goto cleanup;
info->username = g_strdup (g_hash_table_lookup (responses, GINT_TO_POINTER (local)));
if (!info->username)
goto cleanup;
g_hash_table_remove (responses, GINT_TO_POINTER (local));
if ((sok_addr = g_socket_connection_get_remote_address (info->conn, NULL)))
{
GInetAddress *inet_addr;
gchar *addr;
inet_addr = g_inet_socket_address_get_address (G_INET_SOCKET_ADDRESS (sok_addr));
addr = g_inet_address_to_string (inet_addr);
hexchat_printf (ph, _("*\tServicing ident request from %s as %s"), addr, info->username);
g_object_unref (sok_addr);
g_object_unref (inet_addr);
g_free (addr);
}
g_snprintf (buf, sizeof (buf), "%"G_GUINT16_FORMAT", %"G_GUINT16_FORMAT" : USERID : UNIX : %s\r\n", (guint16)local, (guint16)remote, info->username);
out_stream = g_io_stream_get_output_stream (G_IO_STREAM (info->conn));
g_output_stream_write_async (out_stream, buf, strlen (buf), G_PRIORITY_DEFAULT,
NULL, (GAsyncReadyCallback)identd_write_ready, info);
}
return;
cleanup:
g_object_unref (info->conn);
g_free (info);
}
static gboolean
identd_incoming_cb (GSocketService *service, GSocketConnection *conn,
GObject *source, gpointer userdata)
{
GInputStream *stream;
ident_info *info;
info = g_new0 (ident_info, 1);
info->conn = conn;
g_object_ref (conn);
stream = g_io_stream_get_input_stream (G_IO_STREAM (conn));
g_input_stream_read_async (stream, info->read_buf, sizeof (info->read_buf), G_PRIORITY_DEFAULT,
NULL, (GAsyncReadyCallback)identd_read_ready, info);
return TRUE;
}
static gboolean
identd_start_server (void)
{
GError *error = NULL;
int enabled, port = 113;
if (hexchat_get_prefs (ph, "identd", NULL, &enabled) == 3 && enabled)
{
if (!enabled)
return TRUE; /*...*/
}
if (hexchat_get_prefs (ph, "identd_port", NULL, &port) == 2 && (port <= 0 || port > G_MAXUINT16))
{
port = 113;
}
service = g_socket_service_new ();
g_socket_listener_add_inet_port (G_SOCKET_LISTENER (service), port, NULL, &error);
if (error)
{
hexchat_printf (ph, _("*\tError starting identd server: %s"), error->message);
g_object_unref (service);
return FALSE;
}
/*hexchat_printf (ph, "*\tIdentd listening on port: %d", port); */
g_signal_connect (G_OBJECT (service), "incoming", G_CALLBACK(identd_incoming_cb), NULL);
g_socket_service_start (service);
return TRUE;
}
int
identd_plugin_init (hexchat_plugin *plugin_handle, char **plugin_name,
char **plugin_desc, char **plugin_version, char *arg)
{
ph = plugin_handle;
*plugin_name = "";
*plugin_desc = "";
*plugin_version = "";
responses = g_hash_table_new_full (NULL, NULL, NULL, g_free);
hexchat_hook_command (ph, "IDENTD", HEXCHAT_PRI_NORM, identd_command_cb,
_("IDENTD <port> <username>"), NULL);
return identd_start_server ();
}
int
identd_plugin_deinit (void)
{
if (service)
{
g_socket_service_stop (service);
g_object_unref (service);
}
g_hash_table_destroy (responses);
return 1;
}

9
src/common/identd.h → src/common/plugin-identd.h
View file

@ -17,9 +17,12 @@
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef HEXCHAT_IDENTD_H
#define HEXCHAT_IDENTD_H
#ifndef HEXCHAT_PLUGIN_IDENTD_H
#define HEXCHAT_PLUGIN_IDENTD_H
void identd_start (char *username);
int identd_plugin_init (hexchat_plugin *plugin_handle, char **plugin_name,
char **plugin_desc, char **plugin_version, char *arg);
int identd_plugin_deinit ();
#endif

49
src/common/server.c
View file

@ -61,10 +61,6 @@
#include "ssl.h"
#endif
#ifdef WIN32
#include "identd.h"
#endif
#ifdef USE_LIBPROXY
#include <proxy.h>
#endif
@ -944,28 +940,6 @@ server_read_child (GIOChannel *source, GIOCondition condition, server *serv)
waitline2 (source, ip, sizeof ip);
waitline2 (source, outbuf, sizeof outbuf);
EMIT_SIGNAL (XP_TE_CONNECT, sess, host, ip, outbuf, NULL, 0);
#ifdef WIN32
if (prefs.hex_identd)
{
if (serv->network && ((ircnet *)serv->network)->user)
{
identd_start (((ircnet *)serv->network)->user);
}
else
{
identd_start (prefs.hex_irc_user_name);
}
}
#else
g_snprintf (outbuf, sizeof (outbuf), "%s/auth/xchat_auth",
g_get_home_dir ());
if (access (outbuf, X_OK) == 0)
{
g_snprintf (outbuf, sizeof (outbuf), "exec -d %s/auth/xchat_auth %s",
g_get_home_dir (), prefs.hex_irc_user_name);
handle_command (serv->server_session, outbuf, FALSE);
}
#endif
break;
case '4': /* success */
waitline2 (source, tbuf, sizeof (tbuf));
@ -982,6 +956,29 @@ server_read_child (GIOChannel *source, GIOCondition condition, server *serv)
else
closesocket (serv->proxy_sok4);
}
{
struct sockaddr addr;
int addr_len = sizeof (addr);
guint16 port;
if (!getsockname (serv->sok, &addr, &addr_len))
{
if (addr.sa_family == AF_INET)
port = ntohs(((struct sockaddr_in *)&addr)->sin_port);
else
port = ntohs(((struct sockaddr_in6 *)&addr)->sin6_port);
g_snprintf (outbuf, sizeof (outbuf), "IDENTD %"G_GUINT16_FORMAT" ", port);
if (serv->network && ((ircnet *)serv->network)->user)
g_strlcat (outbuf, ((ircnet *)serv->network)->user, sizeof (outbuf));
else
g_strlcat (outbuf, prefs.hex_irc_user_name, sizeof (outbuf));
handle_command (serv->server_session, outbuf, FALSE);
}
}
server_connect_success (serv);
break;
case '5': /* prefs ip discovered */