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-rw-r--r--server/responder/nss/nsssrv_nc.c321
1 files changed, 0 insertions, 321 deletions
diff --git a/server/responder/nss/nsssrv_nc.c b/server/responder/nss/nsssrv_nc.c
deleted file mode 100644
index 1fa7d612f..000000000
--- a/server/responder/nss/nsssrv_nc.c
+++ /dev/null
@@ -1,321 +0,0 @@
-/*
- SSSD
-
- NSS Responder
-
- Copyright (C) Simo Sorce <ssorce@redhat.com> 2008
-
- This program 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.
-
- This program 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/>.
-*/
-
-#include "util/util.h"
-#include <fcntl.h>
-#include <time.h>
-#include "tdb.h"
-
-#define NC_ENTRY_PREFIX "NCE/"
-#define NC_USER_PREFIX NC_ENTRY_PREFIX"USER"
-#define NC_GROUP_PREFIX NC_ENTRY_PREFIX"GROUP"
-#define NC_UID_PREFIX NC_ENTRY_PREFIX"UID"
-#define NC_GID_PREFIX NC_ENTRY_PREFIX"GID"
-
-struct nss_nc_ctx {
- struct tdb_context *tdb;
-};
-
-static int string_to_tdb_data(char *str, TDB_DATA *ret)
-{
- if (!str || !ret) return EINVAL;
-
- ret->dptr = (uint8_t *)str;
- ret->dsize = strlen(str)+1;
-
- return EOK;
-}
-
-int nss_ncache_init(TALLOC_CTX *memctx, struct nss_nc_ctx **_ctx)
-{
- struct nss_nc_ctx *ctx;
-
- ctx = talloc_zero(memctx, struct nss_nc_ctx);
- if (!ctx) return ENOMEM;
-
- errno = 0;
- /* open a memory only tdb with default hash size */
- ctx->tdb = tdb_open("memcache", 0, TDB_INTERNAL, O_RDWR|O_CREAT, 0);
- if (!ctx->tdb) return errno;
-
- *_ctx = ctx;
- return EOK;
-};
-
-static int nss_ncache_check_str(struct nss_nc_ctx *ctx, char *str, int ttl)
-{
- TDB_DATA key;
- TDB_DATA data;
- unsigned long long int timestamp;
- bool expired = false;
- char *ep;
- int ret;
-
- ret = string_to_tdb_data(str, &key);
- if (ret != EOK) goto done;
-
- data = tdb_fetch(ctx->tdb, key);
-
- if (!data.dptr) {
- ret = ENOENT;
- goto done;
- }
-
- if (ttl == -1) {
- /* a negative ttl means: never expires */
- ret = EEXIST;
- goto done;
- }
-
- errno = 0;
- timestamp = strtoull((const char *)data.dptr, &ep, 0);
- if (errno != 0 || *ep != '\0') {
- /* Malformed entry, remove it and return no entry */
- expired = true;
- goto done;
- }
-
- if (timestamp == 0) {
- /* a 0 timestamp means this is a permanent entry */
- ret = EEXIST;
- goto done;
- }
-
- if (timestamp + ttl > time(NULL)) {
- /* still valid */
- ret = EEXIST;
- goto done;
- }
-
- expired = true;
-
-done:
- if (expired) {
- /* expired, remove and return no entry */
- tdb_delete(ctx->tdb, key);
- ret = ENOENT;
- }
-
- return ret;
-}
-
-static int nss_ncache_set_str(struct nss_nc_ctx *ctx,
- char *str, bool permanent)
-{
- TDB_DATA key;
- TDB_DATA data;
- char *timest;
- int ret;
-
- ret = string_to_tdb_data(str, &key);
- if (ret != EOK) return ret;
-
- if (permanent) {
- timest = talloc_strdup(ctx, "0");
- } else {
- timest = talloc_asprintf(ctx, "%llu",
- (unsigned long long int)time(NULL));
- }
- if (!timest) return ENOMEM;
-
- ret = string_to_tdb_data(timest, &data);
- if (ret != EOK) goto done;
-
- ret = tdb_store(ctx->tdb, key, data, TDB_REPLACE);
- if (ret != 0) {
- DEBUG(1, ("Negative cache failed to set entry: [%s]",
- tdb_errorstr(ctx->tdb)));
- ret = EFAULT;
- }
-
-done:
- talloc_free(timest);
- return ret;
-}
-
-int nss_ncache_check_user(struct nss_nc_ctx *ctx, int ttl,
- const char *domain, const char *name)
-{
- char *str;
- int ret;
-
- if (!name || !*name) return EINVAL;
-
- str = talloc_asprintf(ctx, "%s/%s/%s", NC_USER_PREFIX, domain, name);
- if (!str) return ENOMEM;
-
- ret = nss_ncache_check_str(ctx, str, ttl);
-
- talloc_free(str);
- return ret;
-}
-
-int nss_ncache_check_group(struct nss_nc_ctx *ctx, int ttl,
- const char *domain, const char *name)
-{
- char *str;
- int ret;
-
- if (!name || !*name) return EINVAL;
-
- str = talloc_asprintf(ctx, "%s/%s/%s", NC_GROUP_PREFIX, domain, name);
- if (!str) return ENOMEM;
-
- ret = nss_ncache_check_str(ctx, str, ttl);
-
- talloc_free(str);
- return ret;
-}
-
-int nss_ncache_check_uid(struct nss_nc_ctx *ctx, int ttl, uid_t uid)
-{
- char *str;
- int ret;
-
- str = talloc_asprintf(ctx, "%s/%u", NC_UID_PREFIX, uid);
- if (!str) return ENOMEM;
-
- ret = nss_ncache_check_str(ctx, str, ttl);
-
- talloc_free(str);
- return ret;
-}
-
-int nss_ncache_check_gid(struct nss_nc_ctx *ctx, int ttl, gid_t gid)
-{
- char *str;
- int ret;
-
- str = talloc_asprintf(ctx, "%s/%u", NC_GID_PREFIX, gid);
- if (!str) return ENOMEM;
-
- ret = nss_ncache_check_str(ctx, str, ttl);
-
- talloc_free(str);
- return ret;
-}
-
-int nss_ncache_set_user(struct nss_nc_ctx *ctx, bool permanent,
- const char *domain, const char *name)
-{
- char *str;
- int ret;
-
- if (!name || !*name) return EINVAL;
-
- str = talloc_asprintf(ctx, "%s/%s/%s", NC_USER_PREFIX, domain, name);
- if (!str) return ENOMEM;
-
- ret = nss_ncache_set_str(ctx, str, permanent);
-
- talloc_free(str);
- return ret;
-}
-
-int nss_ncache_set_group(struct nss_nc_ctx *ctx, bool permanent,
- const char *domain, const char *name)
-{
- char *str;
- int ret;
-
- if (!name || !*name) return EINVAL;
-
- str = talloc_asprintf(ctx, "%s/%s/%s", NC_GROUP_PREFIX, domain, name);
- if (!str) return ENOMEM;
-
- ret = nss_ncache_set_str(ctx, str, permanent);
-
- talloc_free(str);
- return ret;
-}
-
-int nss_ncache_set_uid(struct nss_nc_ctx *ctx, bool permanent, uid_t uid)
-{
- char *str;
- int ret;
-
- str = talloc_asprintf(ctx, "%s/%u", NC_UID_PREFIX, uid);
- if (!str) return ENOMEM;
-
- ret = nss_ncache_set_str(ctx, str, permanent);
-
- talloc_free(str);
- return ret;
-}
-
-int nss_ncache_set_gid(struct nss_nc_ctx *ctx, bool permanent, gid_t gid)
-{
- char *str;
- int ret;
-
- str = talloc_asprintf(ctx, "%s/%u", NC_GID_PREFIX, gid);
- if (!str) return ENOMEM;
-
- ret = nss_ncache_set_str(ctx, str, permanent);
-
- talloc_free(str);
- return ret;
-}
-
-static int delete_permanent(struct tdb_context *tdb,
- TDB_DATA key, TDB_DATA data, void *state)
-{
- unsigned long long int timestamp;
- bool remove_key = false;
- char *ep;
-
- if (strncmp((char *)key.dptr,
- NC_ENTRY_PREFIX, sizeof(NC_ENTRY_PREFIX)) != 0) {
- /* not interested in this key */
- return 0;
- }
-
- errno = 0;
- timestamp = strtoull((const char *)data.dptr, &ep, 0);
- if (errno != 0 || *ep != '\0') {
- /* Malformed entry, remove it */
- remove_key = true;
- goto done;
- }
-
- if (timestamp == 0) {
- /* a 0 timestamp means this is a permanent entry */
- remove_key = true;
- }
-
-done:
- if (remove_key) {
- return tdb_delete(tdb, key);
- }
-
- return 0;
-}
-
-int nss_ncache_reset_permament(struct nss_nc_ctx *ctx)
-{
- int ret;
-
- ret = tdb_traverse(ctx->tdb, delete_permanent, NULL);
- if (ret < 0)
- return EIO;
-
- return EOK;
-}
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