server/auth: add option for strict authentication

When this option is enabled, we will check for a matching
username and password, if not found then the connection will
be rejected. This also does a checksum validation of volfile

The option is invalid when SSL/TLS is in use, at which point
the SSL/TLS certificate user name is used to validate and
hence authorize the right user. This expects TLS allow rules
to be setup correctly rather than the default *.

This option is not settable, as a result this cannot be enabled
for volumes using the CLI. This is used with the shared storage
volume, to restrict access to the same in non-SSL/TLS environments
to the gluster peers only.

Tested:
  ./tests/bugs/protocol/bug-1321578.t
  ./tests/features/ssl-authz.t
  - Ran tests on volumes with and without strict auth
    checking (as brick vol file needed to be edited to test,
    or rather to enable the option)
  - Ran tests on volumes to ensure existing mounts are
    disconnected when we enable strict checking

Change-Id: I2ac4f0cfa5b59cc789cc5a265358389b04556b59
fixes: bz#1570428
Signed-off-by: Mohammed Rafi KC <rkavunga@redhat.com>
Signed-off-by: ShyamsundarR <srangana@redhat.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/xlators/protocol/server/src/server.h b/xlators/protocol/server/src/server.h
index 0b37eb1414a..7eea2917ae3 100644
--- a/xlators/protocol/server/src/server.h
+++ b/xlators/protocol/server/src/server.h
@@ -24,6 +24,7 @@
 #include "client_t.h"
 #include "gidcache.h"
 #include "defaults.h"
+#include "authenticate.h"
 
 #define DEFAULT_BLOCK_SIZE         4194304   /* 4MB */
 #define DEFAULT_VOLUME_FILE_PATH   CONFDIR "/glusterfs.vol"
@@ -105,6 +106,7 @@ struct server_conf {
                                            * false, when child is down */
 
         gf_lock_t               itable_lock;
+        gf_boolean_t            strict_auth_enabled;
 };
 typedef struct server_conf server_conf_t;