Add FreeBSD-specific PAM configuration

The "login" PAM configuration means somathing entirely different on
FreeBSD than on Linux: if you try to authenticate as the calling user,
it OKs the request without prompting for password. The "passwd" config
implements the desired functionality, therefore it should be used by
swaylock.

3 files changed, 19 insertions, 4 deletions

diff --git a/swaylock/meson.build b/swaylock/meson.build
index 63f694b9..675b8c69 100644
--- a/swaylock/meson.build
+++ b/swaylock/meson.build
@@ -24,7 +24,16 @@ executable(
         install: true
 )
 
-install_data(
-        'pam/swaylock',
-        install_dir: sysconfdir + '/pam.d/'
-)
+if is_freebsd
+        install_data(
+                'pam/swaylock.freebsd',
+                install_dir: sysconfdir + '/pam.d/',
+                rename: 'swaylock'
+        )
+else
+        install_data(
+                'pam/swaylock.linux',
+                install_dir: sysconfdir + '/pam.d/',
+                rename: 'swaylock'
+        )
+endif
diff --git a/swaylock/pam/swaylock.freebsd b/swaylock/pam/swaylock.freebsd
new file mode 100644
index 00000000..603fc185
--- /dev/null
+++ b/swaylock/pam/swaylock.freebsd
@@ -0,0 +1,6 @@
+#
+# PAM configuration file for the swaylock screen locker. By default, it includes
+# the 'passwd' configuration file (see /etc/pam.d/passwd)
+#
+
+auth include passwd
diff --git a/swaylock/pam/swaylock b/swaylock/pam/swaylock.linux
index 6a36b0d6..6a36b0d6 100644
--- a/swaylock/pam/swaylock
+++ b/swaylock/pam/swaylock.linux