[systemd-devel] [PATCH v2] pam_systemd: new option for the session class

[Matthew Monaco]

From: Matthew Monaco <matthew.monaco at 0x01b.net>

---
 man/pam_systemd.xml    |  9 +++++++++
 src/login/pam-module.c | 12 ++++++++++--
 2 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/man/pam_systemd.xml b/man/pam_systemd.xml
index 2d2f191..5cf14b2 100644
--- a/man/pam_systemd.xml
+++ b/man/pam_systemd.xml
@@ -194,6 +194,15 @@
                         </varlistentry>
 
                         <varlistentry>
+                                <term><option>class=</option></term>
+
+                                <listitem><para>Takes a string
+                                argument which sets the session class.
+                                The XDG_SESSION_CLASS environmental variable
+                                takes precedent.</para></listitem>
+                        </varlistentry>
+
+                        <varlistentry>
                                 <term><option>debug=</option></term>
 
                                 <listitem><para>Takes a boolean
diff --git a/src/login/pam-module.c b/src/login/pam-module.c
index 08a9328..1d8d16d 100644
--- a/src/login/pam-module.c
+++ b/src/login/pam-module.c
@@ -49,6 +49,7 @@ static int parse_argv(pam_handle_t *handle,
                       bool *kill_processes,
                       char ***kill_only_users,
                       char ***kill_exclude_users,
+                      char **class,
                       bool *debug) {
 
         unsigned i;
@@ -135,6 +136,11 @@ static int parse_argv(pam_handle_t *handle,
                                 *kill_exclude_users = l;
                         }
 
+                } else if (startswith(argv[i], "class=")) {
+
+                        if (class)
+				*class = argv[i] + 6;
+
                 } else if (startswith(argv[i], "debug=")) {
                         if ((k = parse_boolean(argv[i] + 6)) < 0) {
                                 pam_syslog(handle, LOG_ERR, "Failed to parse debug= argument.");
@@ -322,7 +328,7 @@ _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, *class, *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 = NULL, *class_pam = NULL, *cvtnr = NULL;
         char **controllers = NULL, **reset_controllers = NULL, **kill_only_users = NULL, **kill_exclude_users = NULL;
         DBusError error;
         uint32_t uid, pid;
@@ -349,7 +355,7 @@ _public_ PAM_EXTERN int pam_sm_open_session(
                        argc, argv,
                        &controllers, &reset_controllers,
                        &kill_processes, &kill_only_users, &kill_exclude_users,
-                       &debug) < 0) {
+                       &class_pam, &debug) < 0) {
                 r = PAM_SESSION_ERR;
                 goto finish;
         }
@@ -476,6 +482,8 @@ _public_ PAM_EXTERN int pam_sm_open_session(
         if (isempty(class))
                 class = getenv("XDG_SESSION_CLASS");
         if (isempty(class))
+                class = class_pam;
+        if (isempty(class))
                 class = "user";
 
         remote = !isempty(remote_host) &&
-- 
1.8.0.2