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 <http://www.gnu.org/licenses/>.
***/
#include <systemd/sd-daemon.h>
#include "util.h"
+#include "audit.h"
#include "macro.h"
#include "strv.h"
#include "dbus-common.h"
int session_fd = -1;
DBusConnection *bus = NULL;
DBusMessage *m = NULL, *reply = NULL;
- dbus_bool_t remote;
+ dbus_bool_t remote, existing;
int r;
uint32_t vtnr = 0;
pam_get_item(handle, PAM_TTY, (const void**) &tty);
pam_get_item(handle, PAM_RUSER, (const void**) &remote_user);
pam_get_item(handle, PAM_RHOST, (const void**) &remote_host);
+
seat = pam_getenv(handle, "XDG_SEAT");
+ if (isempty(seat))
+ seat = getenv("XDG_SEAT");
+
cvtnr = pam_getenv(handle, "XDG_VTNR");
+ if (isempty(cvtnr))
+ cvtnr = getenv("XDG_VTNR");
service = strempty(service);
tty = strempty(tty);
tty = "";
}
+ /* If this fails vtnr will be 0, that's intended */
if (!isempty(cvtnr))
safe_atou32(cvtnr, &vtnr);
!isempty(tty) ? "tty" : "unspecified";
class = pam_getenv(handle, "XDG_SESSION_CLASS");
+ if (isempty(class))
+ class = getenv("XDG_SESSION_CLASS");
if (isempty(class))
class = "user";
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) {
DBUS_TYPE_UNIX_FD, &session_fd,
DBUS_TYPE_STRING, &seat,
DBUS_TYPE_UINT32, &vtnr,
+ DBUS_TYPE_BOOLEAN, &existing,
DBUS_TYPE_INVALID)) {
pam_syslog(handle, LOG_ERR, "Failed to parse message: %s", bus_error_message(&error));
r = PAM_SESSION_ERR;
}
}
+ r = pam_set_data(handle, "systemd.existing", INT_TO_PTR(!!existing), NULL);
+ if (r != PAM_SUCCESS) {
+ pam_syslog(handle, LOG_ERR, "Failed to install existing flag.");
+ return r;
+ }
+
if (session_fd >= 0) {
r = pam_set_data(handle, "systemd.session-fd", INT_TO_PTR(session_fd+1), NULL);
if (r != PAM_SUCCESS) {
int flags,
int argc, const char **argv) {
- const void *p = NULL;
+ const void *p = NULL, *existing = NULL;
const char *id;
DBusConnection *bus = NULL;
DBusMessage *m = NULL, *reply = NULL;
dbus_error_init(&error);
+ /* Only release session if it wasn't pre-existing when we
+ * tried to create it */
+ pam_get_data(handle, "systemd.existing", &existing);
+
id = pam_getenv(handle, "XDG_SESSION_ID");
- if (id) {
+ if (id && !existing) {
/* Before we go and close the FIFO we need to tell
* logind that this is a clean session shutdown, so