bonjour.c

Linux下的多协议即时通讯程序源代码

	const char *status_description;
	const char *message;

	presence = purple_buddy_get_presence(buddy);
	status = purple_presence_get_active_status(presence);
	message = purple_status_get_attr_string(status, "message");

	if (purple_presence_is_available(presence))
		status_description = purple_status_get_name(status);
	else if (purple_presence_is_idle(presence))
		status_description = _("Idle");
	else
		status_description = purple_status_get_name(status);

	purple_notify_user_info_add_pair(user_info, _("Status"), status_description);
	if (message != NULL)
		purple_notify_user_info_add_pair(user_info, _("Message"), message);
}

static gboolean
plugin_unload(PurplePlugin *plugin)
{
	/* These shouldn't happen here because they are allocated in _init() */

	g_free(default_firstname);
	g_free(default_lastname);
	g_free(default_hostname);

	return TRUE;
}

static PurplePlugin *my_protocol = NULL;

static PurplePluginProtocolInfo prpl_info =
{
	OPT_PROTO_NO_PASSWORD,
	NULL,                                                    /* user_splits */
	NULL,                                                    /* protocol_options */
	/* {"png", 0, 0, 96, 96, 0, PURPLE_ICON_SCALE_DISPLAY}, */ /* icon_spec */
	NO_BUDDY_ICONS, /* not yet */                            /* icon_spec */
	bonjour_list_icon,                                       /* list_icon */
	NULL,													 /* list_emblem */
	bonjour_status_text,                                     /* status_text */
	bonjour_tooltip_text,                                    /* tooltip_text */
	bonjour_status_types,                                    /* status_types */
	NULL,                                                    /* blist_node_menu */
	NULL,                                                    /* chat_info */
	NULL,                                                    /* chat_info_defaults */
	bonjour_login,                                           /* login */
	bonjour_close,                                           /* close */
	bonjour_send_im,                                         /* send_im */
	NULL,                                                    /* set_info */
	NULL,                                                    /* send_typing */
	NULL,                                                    /* get_info */
	bonjour_set_status,                                      /* set_status */
	NULL,                                                    /* set_idle */
	NULL,                                                    /* change_passwd */
	NULL,                                                    /* add_buddy */
	NULL,                                                    /* add_buddies */
	NULL,                                                    /* remove_buddy */
	NULL,                                                    /* remove_buddies */
	NULL,                                                    /* add_permit */
	NULL,                                                    /* add_deny */
	NULL,                                                    /* rem_permit */
	NULL,                                                    /* rem_deny */
	NULL,                                                    /* set_permit_deny */
	NULL,                                                    /* join_chat */
	NULL,                                                    /* reject_chat */
	NULL,                                                    /* get_chat_name */
	NULL,                                                    /* chat_invite */
	NULL,                                                    /* chat_leave */
	NULL,                                                    /* chat_whisper */
	NULL,                                                    /* chat_send */
	NULL,                                                    /* keepalive */
	NULL,                                                    /* register_user */
	NULL,                                                    /* get_cb_info */
	NULL,                                                    /* get_cb_away */
	NULL,                                                    /* alias_buddy */
	NULL,                                                    /* group_buddy */
	NULL,                                                    /* rename_group */
	NULL,                                                    /* buddy_free */
	bonjour_convo_closed,                                    /* convo_closed */
	NULL,                                                    /* normalize */
	NULL,                                                    /* set_buddy_icon */
	NULL,                                                    /* remove_group */
	NULL,                                                    /* get_cb_real_name */
	NULL,                                                    /* set_chat_topic */
	NULL,                                                    /* find_blist_chat */
	NULL,                                                    /* roomlist_get_list */
	NULL,                                                    /* roomlist_cancel */
	NULL,                                                    /* roomlist_expand_category */
	NULL,                                                    /* can_receive_file */
	NULL,                                                    /* send_file */
	NULL,                                                    /* new_xfer */
	NULL,                                                    /* offline_message */
	NULL,                                                    /* whiteboard_prpl_ops */
	NULL,                                                    /* send_raw */
	NULL,                                                    /* roomlist_room_serialize */

	/* padding */
	NULL,
	NULL,
	NULL,
	NULL
};

static PurplePluginInfo info =
{
	PURPLE_PLUGIN_MAGIC,
	PURPLE_MAJOR_VERSION,
	PURPLE_MINOR_VERSION,
	PURPLE_PLUGIN_PROTOCOL,                             /**< type           */
	NULL,                                             /**< ui_requirement */
	0,                                                /**< flags          */
	NULL,                                             /**< dependencies   */
	PURPLE_PRIORITY_DEFAULT,                            /**< priority       */

	"prpl-bonjour",                                   /**< id             */
	"Bonjour",                                        /**< name           */
	VERSION,                                          /**< version        */
	                                                  /**  summary        */
	N_("Bonjour Protocol Plugin"),
	                                                  /**  description    */
	N_("Bonjour Protocol Plugin"),
	NULL,                                             /**< author         */
	PURPLE_WEBSITE,                                     /**< homepage       */

	NULL,                                             /**< load           */
	plugin_unload,                                             /**< unload         */
	NULL,                                             /**< destroy        */

	NULL,                                             /**< ui_info        */
	&prpl_info,                                       /**< extra_info     */
	NULL,                                             /**< prefs_info     */
	NULL,

	/* padding */
	NULL,
	NULL,
	NULL,
	NULL
};

static void
initialize_default_account_values()
{
#ifdef _WIN32
	char *fullname = NULL;
#else
	struct passwd *info;
	const char *fullname = NULL;
#endif
	char *splitpoint = NULL;
	char *tmp;
	char hostname[255];

#ifndef _WIN32
	/* Try to figure out the user's real name */
	info = getpwuid(getuid());
	if ((info != NULL) && (info->pw_gecos != NULL) && (info->pw_gecos[0] != '\0'))
		fullname = info->pw_gecos;
	else if ((info != NULL) && (info->pw_name != NULL) && (info->pw_name[0] != '\0'))
		fullname = info->pw_name;
	else if (((fullname = getlogin()) != NULL) && (fullname[0] != '\0'))
		;
	else
		fullname = _("Purple Person");
	/* Make sure fullname is valid UTF-8.  If not, try to convert it. */
	if (!g_utf8_validate(fullname, -1, NULL))
	{
		gchar *tmp;
		tmp = g_locale_to_utf8(fullname, -1, NULL, NULL, NULL);
		if ((tmp == NULL) || (*tmp == '\0'))
			fullname = _("Purple Person");
	}

#else
	FARPROC myNetUserGetInfo = wpurple_find_and_loadproc("Netapi32.dll",
		"NetUserGetInfo");

	if (myNetUserGetInfo) {
		LPUSER_INFO_10 user_info = NULL;
		LPSERVER_INFO_100 server_info = NULL;
		wchar_t *servername = NULL;
		wchar_t username[UNLEN + 1];
		DWORD dwLenUsername = UNLEN + 1;
		FARPROC myNetServerEnum = wpurple_find_and_loadproc(
			"Netapi32.dll", "NetServerEnum");
		FARPROC myNetApiBufferFree = wpurple_find_and_loadproc(
			"Netapi32.dll", "NetApiBufferFree");

		if (myNetServerEnum && myNetApiBufferFree) {
			DWORD dwEntriesRead = 0;
			DWORD dwTotalEntries = 0;
			DWORD dwResumeHandle = 0;

			NET_API_STATUS nStatus = (myNetServerEnum)(NULL, 100,
				&server_info, MAX_PREFERRED_LENGTH,
				&dwEntriesRead, &dwTotalEntries,
				SV_TYPE_DOMAIN_CTRL, NULL, &dwResumeHandle);

			if ((nStatus == NERR_Success
					|| nStatus == ERROR_MORE_DATA)
					&& dwEntriesRead > 0) {
				servername = server_info->sv100_name;
			} else {
				purple_debug_warning("bonjour", "Unable to look up domain controller. NET_API_STATUS = %d, Entries Read = %d, Total Entries = %d\n", nStatus, dwEntriesRead, dwTotalEntries);
			}
		}

		if (!GetUserNameW((LPWSTR) &username, &dwLenUsername)) {
			purple_debug_warning("bonjour",
				"Unable to look up username\n");
		}

		if (username != NULL && *username != '\0'
				&& (myNetUserGetInfo)(servername, username, 10,
					&user_info) == NERR_Success) {
			if (user_info != NULL) {
				fullname = g_utf16_to_utf8(
					user_info->usri10_full_name,
					-1, NULL, NULL, NULL);
			}
		}
		if (user_info != NULL)
			(myNetApiBufferFree)(user_info);
		if (server_info != NULL)
			(myNetApiBufferFree)(server_info);
	}

	if (!fullname)
		fullname = g_strdup(_("Purple Person"));
#endif

	/* Split the real name into a first and last name */
	splitpoint = strchr(fullname, ' ');
	if (splitpoint != NULL)
	{
		default_firstname = g_strndup(fullname, splitpoint - fullname);
		tmp = &splitpoint[1];
		
		/* The last name may be followed by a comma and additional data.
		 * Only use the last name itself.
		 */
		splitpoint = strchr(tmp, ',');
		if (splitpoint != NULL)
			default_lastname = g_strndup(tmp, splitpoint - tmp);
		else
			default_lastname = g_strdup(tmp);
	}
	else
	{
		default_firstname = g_strdup(fullname);
		default_lastname = g_strdup("");
	}

#ifdef _WIN32
	g_free(fullname);
#endif

	/* Try to figure out a good host name to use */
	/* TODO: Avoid 'localhost,' if possible */
	if (gethostname(hostname, 255) != 0) {
		purple_debug_warning("bonjour", "Error when getting host name: %s.  Using \"localhost.\"\n",
				strerror(errno));
		strcpy(hostname, "localhost");
	}
	default_hostname = g_strdup(hostname);
}

static void
init_plugin(PurplePlugin *plugin)
{
	PurpleAccountUserSplit *split;
	PurpleAccountOption *option;

	initialize_default_account_values();

	/* Creating the user splits */
	split = purple_account_user_split_new(_("Hostname"), default_hostname, '@');
	prpl_info.user_splits = g_list_append(prpl_info.user_splits, split);

	/* Creating the options for the protocol */
	option = purple_account_option_string_new(_("First name"), "first", default_firstname);
	prpl_info.protocol_options = g_list_append(prpl_info.protocol_options, option);

	option = purple_account_option_string_new(_("Last name"), "last", default_lastname);
	prpl_info.protocol_options = g_list_append(prpl_info.protocol_options, option);

	option = purple_account_option_string_new(_("E-mail"), "email", "");
	prpl_info.protocol_options = g_list_append(prpl_info.protocol_options, option);

	option = purple_account_option_string_new(_("AIM Account"), "AIM", "");
	prpl_info.protocol_options = g_list_append(prpl_info.protocol_options, option);

	option = purple_account_option_string_new(_("XMPP Account"), "jid", "");
	prpl_info.protocol_options = g_list_append(prpl_info.protocol_options, option);

	my_protocol = plugin;
}

PURPLE_INIT_PLUGIN(bonjour, init_plugin, info);