X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Flogin%2Fpam-module.c;h=d7f412860a10b9615cc4a3ca850ceea3f9d1f453;hp=46509245fb4a801361a460e63bfa70acec18b992;hb=f904bdf2e9f6f858802489ab07ff070d4677bccb;hpb=6ef25fb65ee0a62972ed7cbc01b6a11feb5fcb16 diff --git a/src/login/pam-module.c b/src/login/pam-module.c index 46509245f..d7f412860 100644 --- a/src/login/pam-module.c +++ b/src/login/pam-module.c @@ -6,16 +6,16 @@ Copyright 2010 Lennart Poettering systemd 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 + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. systemd 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. + Lesser General Public License for more details. - You should have received a copy of the GNU General Public License + You should have received a copy of the GNU Lesser General Public License along with systemd; If not, see . ***/ @@ -35,6 +35,7 @@ #include #include "util.h" +#include "audit.h" #include "macro.h" #include "strv.h" #include "dbus-common.h" @@ -321,7 +322,7 @@ _public_ PAM_EXTERN int pam_sm_open_session( struct passwd *pw; bool kill_processes = false, debug = false; - const char *username, *id, *object_path, *runtime_path, *service = NULL, *tty = NULL, *display = NULL, *remote_user = NULL, *remote_host = NULL, *seat = NULL, *type, *cvtnr = NULL; + const char *username, *id, *object_path, *runtime_path, *service = NULL, *tty = NULL, *display = NULL, *remote_user = NULL, *remote_host = NULL, *seat = NULL, *type, *class, *cvtnr = NULL; char **controllers = NULL, **reset_controllers = NULL, **kill_only_users = NULL, **kill_exclude_users = NULL; DBusError error; uint32_t uid, pid; @@ -414,7 +415,6 @@ _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; @@ -465,13 +465,20 @@ _public_ PAM_EXTERN int pam_sm_open_session( type = !isempty(display) ? "x11" : !isempty(tty) ? "tty" : "unspecified"; - remote = !isempty(remote_host) && !streq(remote_host, "localhost") && !streq(remote_host, "localhost.localdomain"); + class = pam_getenv(handle, "XDG_SESSION_CLASS"); + if (isempty(class)) + class = "user"; + + remote = !isempty(remote_host) && + !streq(remote_host, "localhost") && + !streq(remote_host, "localhost.localdomain"); if (!dbus_message_append_args(m, DBUS_TYPE_UINT32, &uid, DBUS_TYPE_UINT32, &pid, DBUS_TYPE_STRING, &service, DBUS_TYPE_STRING, &type, + DBUS_TYPE_STRING, &class, DBUS_TYPE_STRING, &seat, DBUS_TYPE_UINT32, &vtnr, DBUS_TYPE_STRING, &tty, @@ -510,8 +517,8 @@ _public_ PAM_EXTERN int pam_sm_open_session( if (debug) pam_syslog(handle, LOG_DEBUG, "Asking logind to create session: " - "uid=%u pid=%u service=%s type=%s seat=%s vtnr=%u tty=%s display=%s remote=%s remote_user=%s remote_host=%s", - uid, pid, service, type, seat, vtnr, tty, display, yes_no(remote), remote_user, remote_host); + "uid=%u pid=%u service=%s type=%s class=%s seat=%s vtnr=%u tty=%s display=%s remote=%s remote_user=%s remote_host=%s", + uid, pid, service, type, class, seat, vtnr, tty, display, yes_no(remote), remote_user, remote_host); reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error); if (!reply) { @@ -613,11 +620,77 @@ _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; }