--- /dev/null
+/* citadel.c
+ * Gaim Citadel plugin.
+ *
+ * © 2006 David Given.
+ * This code is licensed under the GPL v2. See the file COPYING in this
+ * directory for the full license text.
+ *
+ * $Id: auth.c 4258 2006-01-29 13:34:44 +0000 (Sun, 29 Jan 2006) dothebart $
+ */
+
+#define GAIM_PLUGINS
+#include "internal.h"
+#include "accountopt.h"
+#include "blist.h"
+#include "conversation.h"
+#include "debug.h"
+#include "notify.h"
+#include "prpl.h"
+#include "plugin.h"
+#include "util.h"
+#include "version.h"
+#include "sslconn.h"
+
+#include "lua.h"
+#include "lualib.h"
+#include "lauxlib.h"
+
+#include "interface.h"
+
+extern int tolua_gaim_open(lua_State* L);
+extern void tolua_gaim_close(lua_State* L);
+
+#define VERSION "0.2"
+#define CITADEL_DEFAULT_SERVER "uncensored.citadel.org"
+#define CITADEL_DEFAULT_PORT 504
+#define CITADEL_POLL_INTERVAL 10
+#define LUA_MICROCODE "/plugindata/citadel.lua"
+
+struct citadel {
+ GaimAccount* ga;
+ GaimConnection* gc;
+ GaimSslConnection* gsc;
+ int fd;
+ lua_State* L;
+};
+
+static GaimConnection* hackgc;
+
+/* ======================================================================= */
+/* LUA CALLIN */
+/* ======================================================================= */
+
+static void wrappedcall(lua_State* L, int inparams, int outparams)
+{
+ int i;
+
+ i = lua_pcall(L, inparams, outparams, 0);
+ if (i)
+ {
+ gaim_debug(GAIM_DEBUG_MISC, "citadel", "lua error: %s\n",
+ lua_tostring(L, -1));
+ gaim_connection_error(hackgc, _("Internal error in plugin"));
+ return;
+ }
+
+ lua_getglobal(L, "citadel_schedule_now");
+ i = lua_pcall(L, 0, 0, 0);
+ if (i)
+ {
+ gaim_debug(GAIM_DEBUG_MISC, "citadel", "lua error in scheduler: %s\n",
+ lua_tostring(L, -1));
+ gaim_connection_error(hackgc, _("Internal error in plugin"));
+ return;
+ }
+}
+
+/* ======================================================================= */
+/* LUA CALLOUT */
+/* ======================================================================= */
+
+/* --- Input ------------------------------------------------------------- */
+
+static void input_cb(gpointer data, gint fd, GaimInputCondition cond)
+{
+ GaimConnection* gc = data;
+ lua_State* L = gc->proto_data;
+
+ lua_getglobal(L, "citadel_input");
+ wrappedcall(L, 0, 0);
+}
+
+static void input_ssl_cb(gpointer data, GaimSslConnection* gsc, GaimInputCondition cond)
+{
+ GaimConnection* gc = data;
+ lua_State* L = gc->proto_data;
+
+ lua_getglobal(L, "citadel_input");
+ wrappedcall(L, 0, 0);
+}
+
+char* interface_readdata(int fd, GaimSslConnection* gsc)
+{
+ static char buffer[1024];
+ int len;
+
+ /* Read in some data. */
+
+ if (gsc)
+ len = gaim_ssl_read(gsc, buffer, sizeof(buffer)-1);
+ else
+ len = read(fd, buffer, sizeof(buffer)-1);
+
+ if (len <= 0)
+ return NULL;
+
+ buffer[len] = '\0';
+ return buffer;
+}
+
+int interface_writedata(int fd, GaimSslConnection* gsc, char* buffer)
+{
+ int len = strlen(buffer);
+ char* p = buffer;
+
+ while (len > 0)
+ {
+ int i;
+
+ if (gsc)
+ i = gaim_ssl_write(gsc, p, len);
+ else
+ i = write(fd, p, len);
+
+ if (i < 0)
+ return 1;
+
+ p += i;
+ len -= i;
+ }
+
+ return 0;
+}
+
+/* --- Connection -------------------------------------------------------- */
+
+static void login_cb(gpointer data, gint fd, GaimInputCondition cond)
+{
+ GaimConnection* gc = data;
+ lua_State* L = gc->proto_data;
+
+ if (fd < 0)
+ {
+ gaim_connection_error(gc, _("Couldn't connect to host"));
+ return;
+ }
+
+ if (!g_list_find(gaim_connections_get_all(), gc))
+ {
+ close(fd);
+ return;
+ }
+
+ /* Register the input event handler. */
+
+ gc->inpa = gaim_input_add(fd, GAIM_INPUT_READ, input_cb, gc);
+
+ /* Register this file descriptor and tell Lua. */
+
+ lua_getglobal(L, "citadel_setfd");
+ lua_pushnumber(L, fd);
+ wrappedcall(L, 1, 0);
+}
+
+int interface_connect(GaimAccount* ga, GaimConnection* gc,
+ char* server, int port)
+{
+ return gaim_proxy_connect(ga, server, port, login_cb, gc);
+}
+
+void interface_disconnect(int fd, GaimSslConnection* gsc)
+{
+ if (gsc)
+ gaim_ssl_close(gsc);
+ else if (fd >= 0)
+ close(fd);
+}
+
+/* --- TLS setup --------------------------------------------------------- */
+
+static void ssl_setup_cb(gpointer data, GaimSslConnection* gsc,
+ GaimInputCondition cond)
+{
+ GaimConnection* gc = data;
+ lua_State* L = gc->proto_data;
+
+ if (!g_list_find(gaim_connections_get_all(), gc))
+ {
+ gaim_ssl_close(gsc);
+ return;
+ }
+
+ gaim_debug(GAIM_DEBUG_MISC, "citadel", "using gsc %p\n", gsc);
+ gaim_ssl_input_add(gsc, input_ssl_cb, gc);
+
+ /* Register this file descriptor and tell Lua. */
+
+ lua_getglobal(L, "citadel_setgsc");
+ {
+ GaimSslConnection** o = lua_newuserdata(L, sizeof(GaimSslConnection));
+ *o = gsc;
+ }
+ wrappedcall(L, 1, 0);
+}
+
+static void ssl_failure_cb(GaimSslConnection *gsc, GaimSslErrorType error,
+ gpointer data)
+{
+ GaimConnection* gc = data;
+
+ switch(error)
+ {
+ case GAIM_SSL_CONNECT_FAILED:
+ gaim_connection_error(gc, _("Connection Failed"));
+ break;
+
+ case GAIM_SSL_HANDSHAKE_FAILED:
+ gaim_connection_error(gc, _("SSL Handshake Failed"));
+ break;
+ }
+}
+
+void interface_tlson(GaimConnection* gc, GaimAccount* ga, int fd)
+{
+ gaim_input_remove(gc->inpa);
+ gc->inpa = 0;
+ gaim_ssl_connect_fd(ga, fd, ssl_setup_cb, ssl_failure_cb, gc);
+}
+
+/* --- Timer ------------------------------------------------------------- */
+
+static gboolean timer_cb(gpointer data)
+{
+ struct lua_State* L = data;
+
+ lua_getglobal(L, "citadel_timer");
+ wrappedcall(L, 0, 0);
+ return TRUE;
+}
+
+int interface_timeron(GaimConnection* gc, time_t interval)
+{
+ return gaim_timeout_add(interval, timer_cb, gc->proto_data);
+}
+
+void interface_timeroff(GaimConnection* gc, int timerhandle)
+{
+ gaim_timeout_remove(timerhandle);
+}
+
+/* ======================================================================= */
+/* CONNECT/DISCONNECT */
+/* ======================================================================= */
+
+static void citadel_login(GaimAccount *account)
+{
+ GaimConnection* gc;
+ lua_State* L;
+ int i;
+
+ /* Set up account settings. */
+
+ hackgc = gc = gaim_account_get_connection(account);
+ gc->flags |= GAIM_CONNECTION_NO_BGCOLOR
+ | GAIM_CONNECTION_FORMATTING_WBFO
+ | GAIM_CONNECTION_NO_FONTSIZE
+ | GAIM_CONNECTION_NO_URLDESC
+ | GAIM_CONNECTION_NO_IMAGES;
+
+ /* Initialise our private data. */
+
+ gc->proto_data = L = lua_open();
+ luaopen_base(L);
+ luaopen_table(L);
+ luaopen_string(L);
+ luaopen_math(L);
+ luaopen_debug(L);
+ luaopen_io(L);
+ tolua_gaim_open(L);
+
+ /* Register our private library. */
+
+// luaL_openlib(L, "gaimi", gaim_library, 0);
+
+ /* Load in our 'microcode'. */
+
+ {
+ GString* microcode = g_string_new(gaim_user_dir());
+ g_string_append(microcode, LUA_MICROCODE);
+
+
+ gaim_debug(GAIM_DEBUG_MISC, "citadel", "loading %s\n", microcode->str);
+ i = luaL_loadfile(L, microcode->str) ||
+ lua_pcall(L, 0, 0, 0);
+ g_string_free(microcode, TRUE);
+
+ if (i)
+ {
+ gaim_debug(GAIM_DEBUG_MISC, "citadel", "lua error on load: %s\n",
+ lua_tostring(L, -1));
+ gaim_connection_error(gc, _("Unable to initialise plugin"));
+ return;
+ }
+ }
+
+ /* Set the reentrancy counter. */
+
+ lua_pushnumber(L, 0);
+ lua_setglobal(L, " entrycount");
+
+ /* Tell the script to start connecting. */
+
+ lua_getglobal(L, "citadel_connect");
+ {
+ GaimAccount** o = lua_newuserdata(L, sizeof(GaimAccount*));
+ *o = account;
+ }
+ wrappedcall(L, 1, 0);
+}
+
+static void citadel_close(GaimConnection* gc)
+{
+ lua_State* L = gc->proto_data;
+
+ if (gc->inpa)
+ {
+ gaim_input_remove(gc->inpa);
+ gc->inpa = 0;
+ }
+
+ if (L)
+ {
+ gaim_debug(GAIM_DEBUG_MISC, "citadel", "telling lua to disconnect\n");
+ lua_getglobal(L, "citadel_close");
+ wrappedcall(L, 0, 0);
+ }
+
+ gaim_debug(GAIM_DEBUG_MISC, "citadel", "destroying lua VM\n");
+ lua_close(L);
+}
+
+/* ======================================================================= */
+/* MESSAGING */
+/* ======================================================================= */
+
+static int citadel_send_im(GaimConnection* gc, const char* who,
+ const char* what, GaimConvImFlags flags)
+{
+ lua_State* L = gc->proto_data;
+
+ lua_getglobal(L, "citadel_send_im");
+ lua_pushstring(L, who);
+ lua_pushstring(L, what);
+ lua_pushnumber(L, flags);
+ wrappedcall(L, 3, 0);
+
+ return 1;
+}
+
+/* ======================================================================= */
+/* PRESENCE */
+/* ======================================================================= */
+
+void citadel_add_buddy(GaimConnection* gc, GaimBuddy* buddy, GaimGroup* group)
+{
+ lua_State* L = gc->proto_data;
+
+ lua_getglobal(L, "citadel_add_buddy");
+ lua_pushstring(L, buddy->name);
+ wrappedcall(L, 1, 0);
+}
+
+void citadel_remove_buddy(GaimConnection* gc, GaimBuddy* buddy, GaimGroup* group)
+{
+ lua_State* L = gc->proto_data;
+
+ lua_getglobal(L, "citadel_remove_buddy");
+ lua_pushstring(L, buddy->name);
+ wrappedcall(L, 1, 0);
+}
+
+void citadel_alias_buddy(GaimConnection* gc, const char* who, const char* alias)
+{
+ lua_State* L = gc->proto_data;
+
+ lua_getglobal(L, "citadel_alias_buddy");
+ lua_pushstring(L, who);
+ wrappedcall(L, 1, 0);
+}
+
+void citadel_group_buddy(GaimConnection* gc, const char *who,
+ const char *old_group, const char *new_group)
+{
+ lua_State* L = gc->proto_data;
+
+ lua_getglobal(L, "citadel_group_buddy");
+ lua_pushstring(L, who);
+ lua_pushstring(L, old_group);
+ lua_pushstring(L, new_group);
+ wrappedcall(L, 3, 0);
+}
+
+/* This is really just to fill out a hole in the gaim API. */
+
+const char* gaim_group_get_name(GaimGroup* group)
+{
+ return group->name;
+}
+
+/* ======================================================================= */
+/* USER INFO */
+/* ======================================================================= */
+
+void citadel_get_info(GaimConnection* gc, const char* name)
+{
+ lua_State* L = gc->proto_data;
+
+ lua_getglobal(L, "citadel_get_info");
+ lua_pushstring(L, name);
+ wrappedcall(L, 1, 0);
+}
+
+/* ======================================================================= */
+/* MISCELLANEOUS */
+/* ======================================================================= */
+
+static void citadel_keepalive(GaimConnection* gc)
+{
+ lua_State* L = gc->proto_data;
+
+ lua_getglobal(L, "citadel_keepalive");
+ wrappedcall(L, 0, 0);
+}
+
+static const char* citadel_list_icon(GaimAccount* a, GaimBuddy* b)
+{
+ return "citadel";
+}
+
+static void citadel_list_emblems(GaimBuddy* b, char** se, char** sw,
+ char** nw, char** ne)
+{
+ if (b->present == GAIM_BUDDY_OFFLINE)
+ *se = "offline";
+}
+
+/* ======================================================================= */
+/* PLUGIN SETUP */
+/* ======================================================================= */
+
+static GaimPluginProtocolInfo protocol =
+{
+ OPT_PROTO_CHAT_TOPIC,
+ NULL, /* user_splits */
+ NULL, /* protocol_options */
+ NO_BUDDY_ICONS, /* icon_spec */
+ citadel_list_icon, /* list_icon */
+ citadel_list_emblems, /* list_emblems */
+ NULL, /* status_text */
+ NULL, /* tooltip_text */
+ NULL, //irc_away_states, /* away_states */
+ NULL, /* blist_node_menu */
+ NULL, //irc_chat_join_info, /* chat_info */
+ NULL, //irc_chat_info_defaults, /* chat_info_defaults */
+ citadel_login, /* login */
+ citadel_close, /* close */
+ citadel_send_im, /* send_im */
+ NULL, /* set_info */
+ NULL, /* send_typing */
+ citadel_get_info, /* get_info */
+ NULL, //irc_set_away, /* set_away */
+ NULL, /* set_idle */
+ NULL, /* change_passwd */
+ citadel_add_buddy, /* add_buddy */
+ NULL, /* add_buddies */
+ citadel_remove_buddy, /* remove_buddy */
+ NULL, /* remove_buddies */
+ NULL, /* add_permit */
+ NULL, /* add_deny */
+ NULL, /* rem_permit */
+ NULL, /* rem_deny */
+ NULL, /* set_permit_deny */
+ NULL, /* warn */
+ NULL, //irc_chat_join, /* join_chat */
+ NULL, /* reject_chat */
+ NULL, //irc_get_chat_name, /* get_chat_name */
+ NULL, //irc_chat_invite, /* chat_invite */
+ NULL, //irc_chat_leave, /* chat_leave */
+ NULL, /* chat_whisper */
+ NULL, //irc_chat_send, /* chat_send */
+ citadel_keepalive, /* keepalive */
+ NULL, /* register_user */
+ NULL, /* get_cb_info */
+ NULL, /* get_cb_away */
+ citadel_alias_buddy, /* alias_buddy */
+ citadel_group_buddy, /* group_buddy */
+ NULL, /* rename_group */
+ NULL, /* buddy_free */
+ NULL, /* convo_closed */
+ gaim_normalize_nocase, /* normalize */
+ NULL, /* set_buddy_icon */
+ NULL, /* remove_group */
+ NULL, /* get_cb_real_name */
+ NULL, //irc_chat_set_topic, /* set_chat_topic */
+ NULL, /* find_blist_chat */
+ NULL, //irc_roomlist_get_list, /* roomlist_get_list */
+ NULL, //irc_roomlist_cancel, /* roomlist_cancel */
+ NULL, /* roomlist_expand_category */
+ NULL, /* can_receive_file */
+ NULL, //irc_dccsend_send_file /* send_file */
+};
+
+static GaimPluginInfo info =
+{
+ GAIM_PLUGIN_MAGIC,
+ GAIM_MAJOR_VERSION,
+ GAIM_MINOR_VERSION,
+ GAIM_PLUGIN_PROTOCOL, /**< type */
+ NULL, /**< ui_requirement */
+ 0, /**< flags */
+ NULL, /**< dependencies */
+ GAIM_PRIORITY_DEFAULT, /**< priority */
+
+ "prpl-citadel", /**< id */
+ "Citadel", /**< name */
+ VERSION, /**< version */
+ N_("Citadel Protocol Plugin"), /** summary */
+ N_("Instant Messaging via Citadel"), /** description */
+ NULL, /**< author */
+ GAIM_WEBSITE, /**< homepage */
+
+ NULL, /**< load */
+ NULL, /**< unload */
+ NULL, /**< destroy */
+
+ NULL, /**< ui_info */
+ &protocol, /**< extra_info */
+ NULL, /**< prefs_info */
+ NULL
+};
+
+static void _init_plugin(GaimPlugin *plugin)
+{
+ GaimAccountUserSplit *split;
+ GaimAccountOption *option;
+
+ split = gaim_account_user_split_new(_("Server"), CITADEL_DEFAULT_SERVER, '@');
+ protocol.user_splits = g_list_append(protocol.user_splits, split);
+
+ option = gaim_account_option_int_new(_("Port"), "port", CITADEL_DEFAULT_PORT);
+ protocol.protocol_options = g_list_append(protocol.protocol_options, option);
+
+ option = gaim_account_option_bool_new(_("Use TLS"), "use_tls", TRUE);
+ protocol.protocol_options = g_list_append(protocol.protocol_options, option);
+
+ option = gaim_account_option_int_new(_("Polling interval"), "interval", CITADEL_POLL_INTERVAL);
+ protocol.protocol_options = g_list_append(protocol.protocol_options, option);
+
+ gaim_prefs_add_none("/plugins/prpl/citadel");
+}
+
+GAIM_INIT_PLUGIN(citadel, _init_plugin, info);
projects / citadel.git / blobdiff