[oe] [meta-networking][PATCH] proftpd: fix system account login failure

[mingli.yu at windriver.com]

From: Mingli Yu <Mingli.Yu at windriver.com>

When pam is enabled,
  1, Customize the proftpd.conf to use pam to authenticate
  2, Add proftpd pam configuration file /etc/pam.d/proftpd

Signed-off-by: Mingli Yu <Mingli.Yu at windriver.com>
---
 meta-networking/recipes-daemons/proftpd/proftpd_1.3.5a.bb | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/meta-networking/recipes-daemons/proftpd/proftpd_1.3.5a.bb b/meta-networking/recipes-daemons/proftpd/proftpd_1.3.5a.bb
index b6fd4b2..2332ef8 100644
--- a/meta-networking/recipes-daemons/proftpd/proftpd_1.3.5a.bb
+++ b/meta-networking/recipes-daemons/proftpd/proftpd_1.3.5a.bb
@@ -92,6 +92,15 @@ do_install () {
     # create the pub directory
     mkdir -p ${D}/home/${FTPUSER}/pub/
     chown -R ${FTPUSER}:${FTPGROUP} ${D}/home/${FTPUSER}/pub
+    if ${@bb.utils.contains('DISTRO_FEATURES', 'pam', 'true', 'false', d)}; then
+        # install proftpd pam configuration
+        install -d ${D}${sysconfdir}/pam.d
+        install -m 644 ${S}/contrib/dist/rpm/ftp.pamd ${D}${sysconfdir}/pam.d/proftpd
+        sed -i '/ftpusers/d' ${D}${sysconfdir}/pam.d/proftpd
+        # specify the user Authentication config
+        sed -i '/^MaxInstances/a\AuthPAM                         on\nAuthPAMConfig                   proftpd' \
+            ${D}${sysconfdir}/proftpd.conf
+    fi
 
     install -d ${D}/${systemd_unitdir}/system
     install -m 644 ${WORKDIR}/proftpd.service ${D}/${systemd_unitdir}/system
-- 
2.8.1