Sign Up
Log In
Log In
or
Sign Up
Places
All Projects
Status Monitor
Collapse sidebar
openSUSE:12.2
systemd-gtk
logind-logout.patch
Overview
Repositories
Revisions
Requests
Users
Attributes
Meta
File logind-logout.patch of Package systemd-gtk
From 75c8e3cffd7da8eede614cf61384957af2c82a29 Mon Sep 17 00:00:00 2001 From: Lennart Poettering <lennart@poettering.net> Date: Thu, 22 Mar 2012 02:06:40 +0100 Subject: [PATCH] logind: close FIFO before ending sessions cleanly For clean session endings ask logind explicitly to get rid of the FIFO before closing it so that the FIFO logic doesn't result in su/sudo to be terminated immediately. --- src/login/logind-dbus.c | 30 ++++++++++++++++++++ src/login/pam-module.c | 71 +++++++++++++++++++++++++++++++++++++++++++++-- 2 files changed, 98 insertions(+), 3 deletions(-) diff --git a/src/login/logind-dbus.c b/src/login/logind-dbus.c index d8f4d89..ea6b89f 100644 --- a/src/login/logind-dbus.c +++ b/src/login/logind-dbus.c @@ -80,6 +80,9 @@ " <arg name=\"seat\" type=\"s\" direction=\"out\"/>\n" \ " <arg name=\"vtnr\" type=\"u\" direction=\"out\"/>\n" \ " </method>\n" \ + " <method name=\"ReleaseSession\">\n" \ + " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \ + " </method>\n" \ " <method name=\"ActivateSession\">\n" \ " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \ " </method>\n" \ @@ -1075,6 +1078,33 @@ static DBusHandlerResult manager_message_handler( if (r < 0) return bus_send_error_reply(connection, message, &error, r); + } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ReleaseSession")) { + const char *name; + Session *session; + + if (!dbus_message_get_args( + message, + &error, + DBUS_TYPE_STRING, &name, + DBUS_TYPE_INVALID)) + return bus_send_error_reply(connection, message, &error, -EINVAL); + + session = hashmap_get(m->sessions, name); + if (!session) + return bus_send_error_reply(connection, message, &error, -ENOENT); + + /* We use the FIFO to detect stray sessions where the + process invoking PAM dies abnormally. We need to make + sure that that process is not killed if at the clean + end of the session it closes the FIFO. Hence, with + this call explicitly turn off the FIFO logic, so that + the PAM code can finish clean up on its own */ + session_remove_fifo(session); + + reply = dbus_message_new_method_return(message); + if (!reply) + goto oom; + } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ActivateSession")) { const char *name; Session *session; diff --git a/src/login/pam-module.c b/src/login/pam-module.c index 8544413..4106d2b 100644 --- a/src/login/pam-module.c +++ b/src/login/pam-module.c @@ -414,7 +414,6 @@ _public_ PAM_EXTERN int pam_sm_open_session( "/org/freedesktop/login1", "org.freedesktop.login1.Manager", "CreateSession"); - if (!m) { pam_syslog(handle, LOG_ERR, "Could not allocate create session message."); r = PAM_BUF_ERR; @@ -620,11 +619,77 @@ _public_ PAM_EXTERN int pam_sm_close_session( int argc, const char **argv) { const void *p = NULL; + const char *id; + DBusConnection *bus = NULL; + DBusMessage *m = NULL, *reply = NULL; + DBusError error; + int r; - pam_get_data(handle, "systemd.session-fd", &p); + assert(handle); + + dbus_error_init(&error); + + id = pam_getenv(handle, "XDG_SESSION_ID"); + if (id) { + + /* Before we go and close the FIFO we need to tell + * logind that this is a clean session shutdown, so + * that it doesn't just go and slaughter us + * immediately after closing the fd */ + + bus = dbus_bus_get_private(DBUS_BUS_SYSTEM, &error); + if (!bus) { + pam_syslog(handle, LOG_ERR, "Failed to connect to system bus: %s", bus_error_message(&error)); + r = PAM_SESSION_ERR; + goto finish; + } + + m = dbus_message_new_method_call( + "org.freedesktop.login1", + "/org/freedesktop/login1", + "org.freedesktop.login1.Manager", + "ReleaseSession"); + if (!m) { + pam_syslog(handle, LOG_ERR, "Could not allocate release session message."); + r = PAM_BUF_ERR; + goto finish; + } + + if (!dbus_message_append_args(m, + DBUS_TYPE_STRING, &id, + DBUS_TYPE_INVALID)) { + pam_syslog(handle, LOG_ERR, "Could not attach parameters to message."); + r = PAM_BUF_ERR; + goto finish; + } + reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error); + if (!reply) { + pam_syslog(handle, LOG_ERR, "Failed to release session: %s", bus_error_message(&error)); + r = PAM_SESSION_ERR; + goto finish; + } + } + + r = PAM_SUCCESS; + +finish: + pam_get_data(handle, "systemd.session-fd", &p); if (p) close_nointr(PTR_TO_INT(p) - 1); - return PAM_SUCCESS; + dbus_error_free(&error); + + if (bus) { + dbus_connection_close(bus); + dbus_connection_unref(bus); + } + + if (m) + dbus_message_unref(m); + + if (reply) + dbus_message_unref(reply); + + return r; } -- 1.7.7
Locations
Projects
Search
Status Monitor
Help
OpenBuildService.org
Documentation
API Documentation
Code of Conduct
Contact
Support
@OBShq
Terms
openSUSE Build Service is sponsored by
The Open Build Service is an
openSUSE project
.
Sign Up
Log In
Places
Places
All Projects
Status Monitor