structuring of protocol - 2

* 'transports/' and 'auth/' moved to xlators/protocol/
* transport.{c,h}, authenticate.{c,h}, protocol.h moved to
    xlators/protocol/lib/src/

Signed-off-by: Amar Tumballi <amar@gluster.com>
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>

BUG: 875 (Implement a new protocol to provide proper backward/forward compatibility)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=875

3 files changed, 132 insertions, 0 deletions

diff --git a/xlators/protocol/auth/login/Makefile.am b/xlators/protocol/auth/login/Makefile.am
new file mode 100644
index 00000000..d471a3f9
--- /dev/null
+++ b/xlators/protocol/auth/login/Makefile.am
@@ -0,0 +1,3 @@
+SUBDIRS = src
+
+CLEANFILES = 
diff --git a/xlators/protocol/auth/login/src/Makefile.am b/xlators/protocol/auth/login/src/Makefile.am
new file mode 100644
index 00000000..4a50e07d
--- /dev/null
+++ b/xlators/protocol/auth/login/src/Makefile.am
@@ -0,0 +1,15 @@
+auth_LTLIBRARIES = login.la
+authdir = $(libdir)/glusterfs/$(PACKAGE_VERSION)/auth
+
+login_la_LDFLAGS = -module -avoidversion
+
+login_la_SOURCES = login.c
+login_la_LIBADD = $(top_builddir)/libglusterfs/src/libglusterfs.la \
+	$(top_builddir)/xlators/protocol/lib/src/libgfproto.la
+
+
+AM_CFLAGS = -fPIC -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE -Wall -D$(GF_HOST_OS)\
+	-I$(top_srcdir)/libglusterfs/src -shared -nostartfiles $(GF_CFLAGS) \
+	-I$(top_srcdir)/xlators/protocol/lib/src
+
+CLEANFILES = 
diff --git a/xlators/protocol/auth/login/src/login.c b/xlators/protocol/auth/login/src/login.c
new file mode 100644
index 00000000..0c85292f
--- /dev/null
+++ b/xlators/protocol/auth/login/src/login.c
@@ -0,0 +1,114 @@
+/*
+   Copyright (c) 2007-2009 Gluster, Inc. <http://www.gluster.com>
+   This file is part of GlusterFS.
+
+   GlusterFS 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 3 of the License,
+   or (at your option) any later version.
+
+   GlusterFS 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.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see
+   <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef _CONFIG_H
+#define _CONFIG_H
+#include "config.h"
+#endif
+
+#include <fnmatch.h>
+#include "authenticate.h"
+
+auth_result_t gf_auth (dict_t *input_params, dict_t *config_params)
+{
+  int ret = 0;
+  char *username = NULL, *password = NULL;
+  data_t *allow_user = NULL, *username_data = NULL, *password_data = NULL;
+  int32_t result = AUTH_DONT_CARE;
+  char *brick_name = NULL, *searchstr = NULL;
+  
+  username_data = dict_get (input_params, "username");
+  if (!username_data) 
+    return AUTH_DONT_CARE;
+
+  username = data_to_str (username_data);
+
+  password_data = dict_get (input_params, "password");
+  if (!password_data)
+    return AUTH_DONT_CARE;
+
+  password = data_to_str (password_data);
+
+  brick_name = data_to_str (dict_get (input_params, "remote-subvolume"));
+  if (!brick_name) {
+    gf_log ("auth/login",
+	    GF_LOG_ERROR,
+	    "remote-subvolume not specified");
+    return AUTH_REJECT;
+  }
+
+  ret = asprintf (&searchstr, "auth.login.%s.allow", brick_name);
+  if (-1 == ret) {
+          gf_log ("auth/login", GF_LOG_ERROR,
+                  "asprintf failed while setting search string");
+          return AUTH_DONT_CARE;
+  }
+
+  allow_user = dict_get (config_params,
+			 searchstr);
+  free (searchstr);
+
+  if (allow_user) {
+    char *username_str = NULL;
+    char *tmp;
+    char *username_cpy = strdup (allow_user->data);
+    
+    username_str = strtok_r (username_cpy, " ,", &tmp);
+      
+    while (username_str) {
+      data_t *passwd_data = NULL;
+      if (!fnmatch (username_str,
+		    username,
+		    0)) {
+        ret = asprintf (&searchstr, "auth.login.%s.password", username);
+        if (-1 == ret) {
+          gf_log ("auth/login", GF_LOG_ERROR,
+                  "asprintf failed while setting search string");
+          return AUTH_DONT_CARE;
+        }
+	passwd_data = dict_get (config_params, searchstr);
+        FREE (searchstr);
+
+	if (!passwd_data) {
+	  gf_log ("auth/login",
+		  GF_LOG_DEBUG,
+		  "wrong username/password combination");
+	  result = AUTH_REJECT;
+	}
+	else 
+	  result = !strcmp (data_to_str (passwd_data), password) ? AUTH_ACCEPT : AUTH_REJECT;
+	break;
+      }
+      username_str = strtok_r (NULL, " ,", &tmp);  
+    }
+    free (username_cpy);
+  }
+
+  return result;
+}
+
+struct volume_options options[] = {
+ 	{ .key   = {"auth.login.*.allow"}, 
+	  .type  = GF_OPTION_TYPE_ANY 
+	},
+ 	{ .key   = {"auth.login.*.password"}, 
+	  .type  = GF_OPTION_TYPE_ANY 
+	},
+	{ .key = {NULL} }
+};