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authorAnand Avati <avati@gluster.com>2010-07-14 16:26:17 +0000
committerAnand V. Avati <avati@dev.gluster.com>2010-07-14 15:02:50 -0700
commit47dc8def246c6338cb95e71b4656962a5f74ee90 (patch)
treec627dd8f4c0743eccd85143be1399a1e505b95f2 /xlators/protocol/server/src/authenticate.c
parent2865e149c48eb5ed028cffb12e1e5273b47f2b1d (diff)
protocol/lib: rename files to standardized names and places
- move xlators/protocol/lib/* to rpc/xdr/ - rename CLI and glusterd XDR filenames - remove xlators/protocol/lib (libgfproto1.so) Signed-off-by: Anand V. Avati <avati@blackhole.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
Diffstat (limited to 'xlators/protocol/server/src/authenticate.c')
-rw-r--r--xlators/protocol/server/src/authenticate.c249
1 files changed, 249 insertions, 0 deletions
diff --git a/xlators/protocol/server/src/authenticate.c b/xlators/protocol/server/src/authenticate.c
new file mode 100644
index 0000000..5205b54
--- /dev/null
+++ b/xlators/protocol/server/src/authenticate.c
@@ -0,0 +1,249 @@
+/*
+ Copyright (c) 2007-2010 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
+
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE
+#endif
+
+#include <stdio.h>
+#include <dlfcn.h>
+#include <errno.h>
+#include "authenticate.h"
+
+static void
+init (dict_t *this,
+ char *key,
+ data_t *value,
+ void *data)
+{
+ void *handle = NULL;
+ char *auth_file = NULL;
+ auth_handle_t *auth_handle = NULL;
+ auth_fn_t authenticate = NULL;
+ int *error = NULL;
+ int ret = 0;
+
+ /* It gets over written */
+ error = data;
+
+ if (!strncasecmp (key, "ip", strlen ("ip"))) {
+ gf_log ("authenticate", GF_LOG_ERROR,
+ "AUTHENTICATION MODULE \"IP\" HAS BEEN REPLACED "
+ "BY \"ADDR\"");
+ dict_set (this, key, data_from_dynptr (NULL, 0));
+ /* TODO: 1.3.x backword compatibility */
+ // *error = -1;
+ // return;
+ key = "addr";
+ }
+
+ ret = gf_asprintf (&auth_file, "%s/%s.so", LIBDIR, key);
+ if (-1 == ret) {
+ gf_log ("authenticate", GF_LOG_ERROR, "asprintf failed");
+ dict_set (this, key, data_from_dynptr (NULL, 0));
+ *error = -1;
+ return;
+ }
+
+ handle = dlopen (auth_file, RTLD_LAZY);
+ if (!handle) {
+ gf_log ("authenticate", GF_LOG_ERROR, "dlopen(%s): %s\n",
+ auth_file, dlerror ());
+ dict_set (this, key, data_from_dynptr (NULL, 0));
+ GF_FREE (auth_file);
+ *error = -1;
+ return;
+ }
+ GF_FREE (auth_file);
+
+ authenticate = dlsym (handle, "gf_auth");
+ if (!authenticate) {
+ gf_log ("authenticate", GF_LOG_ERROR,
+ "dlsym(gf_auth) on %s\n", dlerror ());
+ dict_set (this, key, data_from_dynptr (NULL, 0));
+ *error = -1;
+ return;
+ }
+
+ auth_handle = GF_CALLOC (1, sizeof (*auth_handle),
+ gf_common_mt_auth_handle_t);
+ if (!auth_handle) {
+ gf_log ("authenticate", GF_LOG_ERROR, "Out of memory");
+ dict_set (this, key, data_from_dynptr (NULL, 0));
+ *error = -1;
+ return;
+ }
+ auth_handle->vol_opt = GF_CALLOC (1, sizeof (volume_opt_list_t),
+ gf_common_mt_volume_opt_list_t);
+ auth_handle->vol_opt->given_opt = dlsym (handle, "options");
+ if (auth_handle->vol_opt->given_opt == NULL) {
+ gf_log ("authenticate", GF_LOG_DEBUG,
+ "volume option validation not specified");
+ }
+
+ auth_handle->authenticate = authenticate;
+ auth_handle->handle = handle;
+
+ dict_set (this, key,
+ data_from_dynptr (auth_handle, sizeof (*auth_handle)));
+}
+
+static void
+fini (dict_t *this,
+ char *key,
+ data_t *value,
+ void *data)
+{
+ auth_handle_t *handle = data_to_ptr (value);
+ if (handle) {
+ dlclose (handle->handle);
+ }
+}
+
+int32_t
+gf_auth_init (xlator_t *xl, dict_t *auth_modules)
+{
+ int ret = 0;
+ auth_handle_t *handle = NULL;
+ data_pair_t *pair = NULL;
+ dict_foreach (auth_modules, init, &ret);
+ if (!ret) {
+ pair = auth_modules->members_list;
+ while (pair) {
+ handle = data_to_ptr (pair->value);
+ if (handle) {
+ list_add_tail (&(handle->vol_opt->list),
+ &(xl->volume_options));
+ if (-1 ==
+ validate_xlator_volume_options (xl,
+ handle->vol_opt->given_opt)) {
+ gf_log ("authenticate", GF_LOG_ERROR,
+ "volume option validation "
+ "failed");
+ ret = -1;
+ }
+ }
+ pair = pair->next;
+ }
+ }
+ if (ret) {
+ gf_log (xl->name, GF_LOG_ERROR, "authentication init failed");
+ dict_foreach (auth_modules, fini, &ret);
+ ret = -1;
+ }
+ return ret;
+}
+
+static dict_t *__input_params;
+static dict_t *__config_params;
+
+void
+map (dict_t *this,
+ char *key,
+ data_t *value,
+ void *data)
+{
+ dict_t *res = data;
+ auth_fn_t authenticate;
+ auth_handle_t *handle = NULL;
+
+ if (value && (handle = data_to_ptr (value)) &&
+ (authenticate = handle->authenticate)) {
+ dict_set (res, key,
+ int_to_data (authenticate (__input_params,
+ __config_params)));
+ } else {
+ dict_set (res, key, int_to_data (AUTH_DONT_CARE));
+ }
+}
+
+void
+reduce (dict_t *this,
+ char *key,
+ data_t *value,
+ void *data)
+{
+ int64_t val = 0;
+ int64_t *res = data;
+ if (!data)
+ return;
+
+ val = data_to_int64 (value);
+ switch (val)
+ {
+ case AUTH_ACCEPT:
+ if (AUTH_DONT_CARE == *res)
+ *res = AUTH_ACCEPT;
+ break;
+
+ case AUTH_REJECT:
+ *res = AUTH_REJECT;
+ break;
+
+ case AUTH_DONT_CARE:
+ break;
+ }
+}
+
+
+auth_result_t
+gf_authenticate (dict_t *input_params,
+ dict_t *config_params,
+ dict_t *auth_modules)
+{
+ dict_t *results = NULL;
+ int64_t result = AUTH_DONT_CARE;
+
+ results = get_new_dict ();
+ __input_params = input_params;
+ __config_params = config_params;
+
+ dict_foreach (auth_modules, map, results);
+
+ dict_foreach (results, reduce, &result);
+ if (AUTH_DONT_CARE == result) {
+ data_t *peerinfo_data = dict_get (input_params, "peer-info-name");
+ char *name = NULL;
+
+ if (peerinfo_data) {
+ name = peerinfo_data->data;
+ }
+
+ gf_log ("auth", GF_LOG_ERROR,
+ "no authentication module is interested in "
+ "accepting remote-client %s", name);
+ result = AUTH_REJECT;
+ }
+
+ dict_destroy (results);
+ return result;
+}
+
+void
+gf_auth_fini (dict_t *auth_modules)
+{
+ int32_t dummy;
+
+ dict_foreach (auth_modules, fini, &dummy);
+}