From b6169329d5466202bc805d422545771ad5312a93 Mon Sep 17 00:00:00 2001 From: flepied Date: Sun, 1 Aug 2004 22:59:49 +0000 Subject: Initial revision git-svn-id: svn+ssh://svn.mandriva.com/svn/soft/s2u/trunk@179769 99302b65-d5f7-0310-b3dd-f8cd6f4e3d94 --- AUTHORS | 2 + ChangeLog | 0 LICENSE | 339 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ Makefile | 82 +++++++++++++ README | 10 ++ hostname-post | 18 +++ s2u.c | 363 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ s2u.sh | 34 ++++++ s2u.spec | 40 +++++++ 9 files changed, 888 insertions(+) create mode 100644 AUTHORS create mode 100644 ChangeLog create mode 100644 LICENSE create mode 100644 Makefile create mode 100644 README create mode 100755 hostname-post create mode 100644 s2u.c create mode 100755 s2u.sh create mode 100644 s2u.spec diff --git a/AUTHORS b/AUTHORS new file mode 100644 index 0000000..fa1d7e7 --- /dev/null +++ b/AUTHORS @@ -0,0 +1,2 @@ +Stew Benedict, +Frédéric Lepied, diff --git a/ChangeLog b/ChangeLog new file mode 100644 index 0000000..e69de29 diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..a43ea21 --- /dev/null +++ b/LICENSE @@ -0,0 +1,339 @@ + GNU GENERAL PUBLIC LICENSE + Version 2, June 1991 + + Copyright (C) 1989, 1991 Free Software Foundation, Inc. + 675 Mass Ave, Cambridge, MA 02139, USA + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The licenses for most software are designed to take away your +freedom to share and change it. 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It is safest +to attach them to the start of each source file to most effectively +convey the exclusion of warranty; and each file should have at least +the "copyright" line and a pointer to where the full notice is found. + + + Copyright (C) 19yy + + 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., 675 Mass Ave, Cambridge, MA 02139, USA. + +Also add information on how to contact you by electronic and paper mail. + +If the program is interactive, make it output a short notice like this +when it starts in an interactive mode: + + Gnomovision version 69, Copyright (C) 19yy name of author + Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. + This is free software, and you are welcome to redistribute it + under certain conditions; type `show c' for details. + +The hypothetical commands `show w' and `show c' should show the appropriate +parts of the General Public License. Of course, the commands you use may +be called something other than `show w' and `show c'; they could even be +mouse-clicks or menu items--whatever suits your program. + +You should also get your employer (if you work as a programmer) or your +school, if any, to sign a "copyright disclaimer" for the program, if +necessary. Here is a sample; alter the names: + + Yoyodyne, Inc., hereby disclaims all copyright interest in the program + `Gnomovision' (which makes passes at compilers) written by James Hacker. + + , 1 April 1989 + Ty Coon, President of Vice + +This General Public License does not permit incorporating your program into +proprietary programs. If your program is a subroutine library, you may +consider it more useful to permit linking proprietary applications with the +library. If this is what you want to do, use the GNU Library General +Public License instead of this License. diff --git a/Makefile b/Makefile new file mode 100644 index 0000000..aed4efc --- /dev/null +++ b/Makefile @@ -0,0 +1,82 @@ +############################################################################# +# File : Makefile +# Package : s2u +# Author : Frederic Lepied +# Created on : Mon Sep 30 13:20:18 1999 +# Version : $Id$ +# Purpose : rules to manage the files. +############################################################################# + +PACKAGE=s2u +VERSION:=$(shell rpm -q --qf %{VERSION} --specfile $(PACKAGE).spec) +RELEASE:=$(shell rpm -q --qf %{RELEASE} --specfile $(PACKAGE).spec) +TAG := $(shell echo "V$(VERSION)_$(RELEASE)" | tr -- '-.' '__') + +FILES = Makefile README hostname-post s2u.c s2u.sh s2u.spec \ + LICENSE README ChangeLog + +DEFS = -DDBUS_API_SUBJECT_TO_CHANGE=1 +CC = gcc +CFLAGS = -Os -pipe -Wall -fomit-frame-pointer -fno-strict-aliasing +INCLUDES = -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/dbus-1.0 -I/usr/lib/dbus-1.0/include +LDFLAGS = -ldbus-glib-1 -lglib-2.0 -ldbus-1 + +COMPILE = $(CC) $(DEFS) $(CFLAGS) + +s2u: s2u.o + $(CC) $(LDFLAGS) -o $@ $^ + +.c.o: + $(COMPILE) $(INCLUDES) -c $< + +clean: + rm -f *.o s2u *~ + +install: + install -d $(DESTDIR)/etc/X11/xinit.d + install s2u.sh $(DESTDIR)/etc/X11/xinit.d + install -d $(DESTDIR)/usr/bin + install s2u $(DESTDIR)/usr/bin + install -d $(DESTDIR)/etc/sysconfig/network-script/hostname.d + install hostname-post $(DESTDIR)/etc/sysconfig/network-script/hostname.d/s2u +# rules to build a test rpm + +localrpm: localdist buildrpm + +localdist: cleandist dir localcopy tar + +cleandist: + rm -rf $(PACKAGE)-$(VERSION) $(PACKAGE)-$(VERSION).tar.bz2 + +dir: + mkdir $(PACKAGE)-$(VERSION) + +localcopy: + tar c $(FILES) | tar x -C $(PACKAGE)-$(VERSION) + +tar: + tar cvf $(PACKAGE)-$(VERSION).tar $(PACKAGE)-$(VERSION) + bzip2 -9vf $(PACKAGE)-$(VERSION).tar + rm -rf $(PACKAGE)-$(VERSION) + +buildrpm: + rpm -ta $(PACKAGE)-$(VERSION).tar.bz2 + +# rules to build a distributable rpm + +rpm: changelog cvstag dist buildrpm + +dist: cleandist dir export tar + +export: + cvs export -d $(PACKAGE)-$(VERSION) -r $(TAG) $(PACKAGE) + +cvstag: + cvs tag $(CVSTAGOPT) $(TAG) + +changelog: ../common/username + cvs2cl -U ../common/username -I ChangeLog + rm -f ChangeLog.bak + cvs commit -m "Generated by cvs2cl the `date '+%d_%b'`" ChangeLog + +# Makefile ends here diff --git a/README b/README new file mode 100644 index 0000000..bcfe7cf --- /dev/null +++ b/README @@ -0,0 +1,10 @@ +This tool is used to send messages between the system and users' +accounts. + +For each X11 session a small program called s2u is launched under an +X11 dbus session (using existing one if possible). The s2u program +waits then for dbus messages to take the appropriate actions. The +implemented actions are: + + o react to hostname changes to continue to have a working X11 session. + \ No newline at end of file diff --git a/hostname-post b/hostname-post new file mode 100755 index 0000000..b8a3a86 --- /dev/null +++ b/hostname-post @@ -0,0 +1,18 @@ +#!/bin/sh +#--------------------------------------------------------------- +# Project : Mandrakelinux +# Module : s2u +# File : hostname-post +# Version : $Id$ +# Author : Frederic Lepied +# Created On : Tue Jul 6 16:10:03 2004 +# Purpose : send a dbus message on hostname change to all +# running X11 dbus session. +#--------------------------------------------------------------- + +for f in `ls /var/tmp/dbus-xsession* 2> /dev/null`; do + . $f + dbus-send --type=method_call --dest=com.mandrakesoft.user.message /com/mandrakesoft/user com.mandrakesoft.user.message string:"Hostname: $1" & +done + +# hostname-post ends here diff --git a/s2u.c b/s2u.c new file mode 100644 index 0000000..cdf0d53 --- /dev/null +++ b/s2u.c @@ -0,0 +1,363 @@ +/*************************************************************************** + * + * s2u.c : Mandrakesoft messaging service + * + * Copyright (C) 2004 Mandrakesoft + * Stew Benedict, + * Frederic Lepied, + * + * code borrowed/adapted from the hal project - + * http://www.freedesktop.org/Software/hal + * + * Licensed under the GNU General Public License version 2.0 + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + **************************************************************************/ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include + +static DBusConnection *dbus_connection; +static gchar *cookie = NULL; + +/** Print out program usage. + * + */ +static void +usage () +{ + fprintf (stderr, "\n" "usage : drakservice [--daemon=yes|no] [--help]\n"); + fprintf (stderr, + "\n" + " --daemon=yes|no Become a daemon\n" + " --help Show this information and exit\n" + "\n" + "drakservice monitors messages through D-BUS,\n" + "passing them on to the user.\n"); +} + + +/** If #TRUE, we will daemonize */ +static dbus_bool_t opt_become_daemon = FALSE; + +/** Run as specified username if not #NULL */ +static char *opt_run_as = NULL; + +static void +die (const char *message) +{ + fprintf (stderr, "*** %s", message); + exit (1); +} + +static int +drak_echo_message (DBusConnection * connection, + DBusMessage * message) +{ + DBusError error; + DBusMessage *reply; + char *s; + + dbus_error_init (&error); + + if (!dbus_message_get_args (message, + &error, + DBUS_TYPE_STRING, &s, + DBUS_TYPE_INVALID)) + { + reply = dbus_message_new_error (message, + error.name, + error.message); + + if (reply == NULL) + die ("No memory\n"); + + if (!dbus_connection_send (connection, reply, NULL)) + die ("No memory\n"); + + dbus_message_unref (reply); + + return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; + } + + reply = dbus_message_new_method_return (message); + if (reply == NULL) + die ("No memory\n"); + + if (!dbus_message_append_args (reply, + DBUS_TYPE_STRING, s, + DBUS_TYPE_INVALID)) + die ("No memory"); + + if (!dbus_connection_send (connection, reply, NULL)) + die ("No memory\n"); + + fprintf (stderr, "Mandrakesoft_user_message: %s\n", s); + + dbus_free (s); + + dbus_message_unref (reply); + + return DBUS_HANDLER_RESULT_HANDLED; +} + +/** Message handler for method invocations. All invocations on any object + * or interface is routed through this function. + * + * @param connection D-BUS connection + * @param message Message + * @param user_data User data + * @return What to do with the message + */ +static DBusHandlerResult +filter_function (DBusConnection * connection, + DBusMessage * message, void *user_data) +{ +/* + INFO (("obj_path=%s interface=%s method=%s", + dbus_message_get_path(message), + dbus_message_get_interface(message), + dbus_message_get_member(message))); +*/ + + /* message, interface, method */ + if (dbus_message_is_method_call (message, + "com.mandrakesoft.user", + "message") && + strcmp (dbus_message_get_path (message), + "/com/mandrakesoft/user") == 0) { + gchar* args[] = + { + "/usr/X11R6/bin/xauth", + "add", + NULL, + ".", + NULL, + NULL + }; + + args[2] = getenv("DISPLAY"); + args[4] = cookie; + + printf("setting cookie to %s\n", cookie); + + g_spawn_async("/", args, NULL, 0, NULL, NULL, NULL, NULL); + + return drak_echo_message (connection, message); + } else + return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; +} + + +DBusConnection * +service_dbus_init (void) +{ + DBusError dbus_error; + + dbus_connection_set_change_sigpipe (TRUE); + + dbus_error_init (&dbus_error); + dbus_connection = dbus_bus_get (DBUS_BUS_SESSION, &dbus_error); + if (dbus_connection == NULL) { + printf("dbus_bus_get(): %s", dbus_error.message); + exit (1); + } + + dbus_connection_setup_with_g_main (dbus_connection, NULL); + + /* service, object, interface, member */ + dbus_message_new_method_call ("com.mandrakesoft.user.message", "/com/mandrakesoft/user", + "com.mandrakesoft.user", + "message"); + + dbus_bus_acquire_service (dbus_connection, "com.mandrakesoft.user.message", + 0, &dbus_error); + if (dbus_error_is_set (&dbus_error)) { + printf("dbus_bus_acquire_service(): %s", + dbus_error.message); + exit (1); + } + + dbus_connection_add_filter (dbus_connection, filter_function, NULL, + NULL); + + return dbus_connection; +} + +int +main (int argc, char *argv[]) +{ + DBusConnection *dbus_connection; + GMainLoop *loop; + gchar* args[] = + { + "/usr/X11R6/bin/xauth", + "list", + NULL, + NULL + }; + gint in; + gchar result[255]; + gchar* idx; + + memset(result, 0, sizeof(result)); + + args[2] = getenv("DISPLAY"); + + g_spawn_async_with_pipes("/", args, NULL, 0, NULL, NULL, NULL, + NULL, &in, NULL, NULL); + if (read(in, result, sizeof(result)) <= 0) { + die("unable to read X11 cookie"); + } else { + close(in); + + idx = rindex(result, ' '); + cookie = g_strdup(idx+1); + cookie[strlen(cookie) - 1] = '\0'; + } + + while (1) { + int c; + int option_index = 0; + const char *opt; + static struct option long_options[] = { + {"daemon", 1, NULL, 0}, + {"help", 0, NULL, 0}, + {NULL, 0, NULL, 0} + }; + + c = getopt_long (argc, argv, "", + long_options, &option_index); + if (c == -1) + break; + + switch (c) { + case 0: + opt = long_options[option_index].name; + + if (strcmp (opt, "help") == 0) { + usage (); + return 0; + } else if (strcmp (opt, "daemon") == 0) { + if (strcmp ("yes", optarg) == 0) { + opt_become_daemon = TRUE; + } else if (strcmp ("no", optarg) == 0) { + opt_become_daemon = FALSE; + } else { + usage (); + return 1; + } + } + break; + + default: + usage (); + return 1; + break; + } + } + + if (opt_become_daemon) { + int child_pid; + int dev_null_fd; + + if (chdir ("/") < 0) { + printf("Could not chdir to /, errno=%d", errno); + return 1; + } + + child_pid = fork (); + switch (child_pid) { + case -1: + printf("Cannot fork(), errno=%d", errno); + break; + + case 0: + /* child */ + + dev_null_fd = open ("/dev/null", O_RDWR); + /* ignore if we can't open /dev/null */ + if (dev_null_fd > 0) { + /* attach /dev/null to stdout, stdin, stderr */ + dup2 (dev_null_fd, 0); + dup2 (dev_null_fd, 1); + dup2 (dev_null_fd, 2); + } + + umask (022); + break; + + default: + /* parent */ + exit (0); + break; + } + + /* Create session */ + setsid (); + } + + if (opt_run_as != NULL) { + uid_t uid; + gid_t gid; + struct passwd *pw; + + + if ((pw = getpwnam (opt_run_as)) == NULL) { + printf("Could not lookup user %s, errno=%d", + opt_run_as, errno); + exit (1); + } + + uid = pw->pw_uid; + gid = pw->pw_gid; + + if (setgid (gid) < 0) { + printf("Failed to set GID to %d, errno=%d", gid, errno); + exit (1); + } + + if (setuid (uid) < 0) { + printf("Failed to set UID to %d, errno=%d", uid, errno); + exit (1); + } + + } + + g_type_init (); + + /* set up the dbus services */ + dbus_connection = service_dbus_init (); + + loop = g_main_loop_new (NULL, FALSE); + + /* run the main loop and serve clients */ + g_main_loop_run (loop); + + return 0; +} diff --git a/s2u.sh b/s2u.sh new file mode 100755 index 0000000..098aa2e --- /dev/null +++ b/s2u.sh @@ -0,0 +1,34 @@ +#!/bin/sh +#--------------------------------------------------------------- +# Project : Mandrakelinux +# Module : alert_applet-0.13 +# File : s2u.sh +# Version : $Id$ +# Author : Frederic Lepied +# Created On : Sat Jul 31 01:03:37 2004 +# Purpose : +#--------------------------------------------------------------- + +vars() { + CURR_DISPLAY=`LC_ALL=C xdpyinfo | grep 'display' | awk '{print $4}'` + + if [ -f "/var/tmp/dbus-xsession$CURR_DISPLAY" -a -O "/var/tmp/dbus-xsession$CURR_DISPLAY" ]; then + . "/var/tmp/dbus-xsession$CURR_DISPLAY" + fi +} + +vars + +if [ -z "$DBUS_SESSION_BUS_PID" -o ! -d "/proc/$DBUS_SESSION_BUS_PID" ]; then + F=`mktemp /var/tmp/dbus.XXXXXX` + chmod 600 $F + dbus-launch --sh-syntax --exit-with-session > $F + rm -f "/var/tmp/dbus-xsession$CURR_DISPLAY" + mv -f $F "/var/tmp/dbus-xsession$CURR_DISPLAY" + vars +fi + +s2u --daemon=yes + + +# s2u.sh ends here diff --git a/s2u.spec b/s2u.spec new file mode 100644 index 0000000..54cfb49 --- /dev/null +++ b/s2u.spec @@ -0,0 +1,40 @@ +Summary: System to user tools +Name: s2u +Version: 0.1 +Release: 1mdk +URL: http://www.mandrakelinux.com/ +Source0: %{name}-%{version}.tar.bz2 +License: GPL +Group: Graphical desktop/Other +BuildRoot: %{_tmppath}/%{name}-buildroot +Prefix: %{_prefix} +Requires: dbus-x11 + +%description +Use dbus to communicate between from the system to the users. + +%prep +%setup -q + +%build +%make + +%install +rm -rf $RPM_BUILD_ROOT +%makeinstall_std + +%clean +rm -rf $RPM_BUILD_ROOT + +%files +%defattr(-,root,root) +%doc ChangeLog README AUTHORS License +%_bindir/s2u +/etc/X11/xinit.d/s2u.sh +/etc/sysconfig/network-script/hostname.d/s2u + +%changelog +* Sat Jul 31 2004 Frederic Lepied 0.1-1mdk +- monitor hostname change + +# end of file -- cgit v1.2.1