--- /dev/null
+/*
+ Unix SMB/CIFS implementation.
+ Database interface wrapper around ntdb
+ Copyright (C) Volker Lendecke 2005-2007
+ Copyright (C) Rusty Russell 2012
+
+ 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 "includes.h"
+#include "dbwrap/dbwrap.h"
+#include "dbwrap/dbwrap_private.h"
+#include "dbwrap/dbwrap_ntdb.h"
+#include "system/filesys.h"
+#include "lib/util/util_ntdb.h"
+#include "ccan/str/str.h"
+
+struct db_ntdb_ctx {
+ struct ntdb_context *ntdb;
+
+ struct {
+ dev_t dev;
+ ino_t ino;
+ } id;
+};
+
+static int tdb_store_flag_to_ntdb(int tdb_flag)
+{
+ switch (tdb_flag) {
+ /* In fact, any value defaults to TDB_REPLACE in tdb! */
+ case 0:
+ case TDB_REPLACE:
+ return NTDB_REPLACE;
+ case TDB_INSERT:
+ return NTDB_INSERT;
+ case TDB_MODIFY:
+ return NTDB_MODIFY;
+ default:
+ smb_panic("unknown tdb_flag");
+ }
+}
+
+static NTSTATUS db_ntdb_store(struct db_record *rec, NTDB_DATA data, int flag)
+{
+ int ntdb_flag = tdb_store_flag_to_ntdb(flag);
+ struct db_ntdb_ctx *ctx = talloc_get_type_abort(rec->private_data,
+ struct db_ntdb_ctx);
+
+ /*
+ * This has a bug: We need to replace rec->value for correct
+ * operation, but right now brlock and locking don't use the value
+ * anymore after it was stored.
+ */
+
+ if (ntdb_store(ctx->ntdb, rec->key, data, ntdb_flag) == NTDB_SUCCESS) {
+ return NT_STATUS_OK;
+ }
+ return NT_STATUS_UNSUCCESSFUL;
+}
+
+static NTSTATUS db_ntdb_delete(struct db_record *rec)
+{
+ enum NTDB_ERROR err;
+ struct db_ntdb_ctx *ctx = talloc_get_type_abort(rec->private_data,
+ struct db_ntdb_ctx);
+
+ err = ntdb_delete(ctx->ntdb, rec->key);
+ if (err == NTDB_SUCCESS) {
+ return NT_STATUS_OK;
+ }
+
+ if (err == NTDB_ERR_NOEXIST) {
+ return NT_STATUS_NOT_FOUND;
+ }
+
+ return NT_STATUS_UNSUCCESSFUL;
+}
+
+static void db_ntdb_log_key(const char *prefix, NTDB_DATA key)
+{
+ size_t len;
+ char *keystr;
+
+ if (DEBUGLEVEL < 10) {
+ return;
+ }
+ len = key.dsize;
+ if (DEBUGLEVEL == 10) {
+ /*
+ * Only fully spam at debuglevel > 10
+ */
+ len = MIN(10, key.dsize);
+ }
+ keystr = hex_encode_talloc(talloc_tos(), (unsigned char *)(key.dptr),
+ len);
+ DEBUG(10, ("%s key %s\n", prefix, keystr));
+ TALLOC_FREE(keystr);
+}
+
+static int db_ntdb_record_destr(struct db_record* data)
+{
+ struct db_ntdb_ctx *ctx =
+ talloc_get_type_abort(data->private_data, struct db_ntdb_ctx);
+
+ db_ntdb_log_key("Unlocking", data->key);
+ ntdb_chainunlock(ctx->ntdb, data->key);
+ return 0;
+}
+
+struct ntdb_fetch_locked_state {
+ TALLOC_CTX *mem_ctx;
+ struct db_record *result;
+};
+
+static enum NTDB_ERROR db_ntdb_fetchlock_parse(NTDB_DATA key, NTDB_DATA data,
+ struct ntdb_fetch_locked_state *state)
+{
+ struct db_record *result;
+
+ result = (struct db_record *)talloc_size(
+ state->mem_ctx,
+ sizeof(struct db_record) + key.dsize + data.dsize);
+
+ if (result == NULL) {
+ return NTDB_ERR_OOM;
+ }
+ state->result = result;
+
+ result->key.dsize = key.dsize;
+ result->key.dptr = ((uint8_t *)result) + sizeof(struct db_record);
+ memcpy(result->key.dptr, key.dptr, key.dsize);
+
+ result->value.dsize = data.dsize;
+
+ if (data.dsize > 0) {
+ result->value.dptr = result->key.dptr+key.dsize;
+ memcpy(result->value.dptr, data.dptr, data.dsize);
+ }
+ else {
+ result->value.dptr = NULL;
+ }
+
+ return NTDB_SUCCESS;
+}
+
+static struct db_record *db_ntdb_fetch_locked_internal(
+ struct db_context *db, TALLOC_CTX *mem_ctx, NTDB_DATA key)
+{
+ struct db_ntdb_ctx *ctx = talloc_get_type_abort(db->private_data,
+ struct db_ntdb_ctx);
+ struct ntdb_fetch_locked_state state;
+ enum NTDB_ERROR err;
+ NTDB_DATA null = { NULL, 0 };
+
+ state.mem_ctx = mem_ctx;
+ state.result = NULL;
+
+ err = ntdb_parse_record(ctx->ntdb, key, db_ntdb_fetchlock_parse,
+ &state);
+ if (err != NTDB_SUCCESS && err != NTDB_ERR_NOEXIST) {
+ ntdb_chainunlock(ctx->ntdb, key);
+ return NULL;
+ }
+
+ if (state.result == NULL) {
+ db_ntdb_fetchlock_parse(key, null, &state);
+ }
+
+ if (state.result == NULL) {
+ ntdb_chainunlock(ctx->ntdb, key);
+ return NULL;
+ }
+
+ talloc_set_destructor(state.result, db_ntdb_record_destr);
+
+ state.result->private_data = talloc_reference(state.result, ctx);
+ state.result->store = db_ntdb_store;
+ state.result->delete_rec = db_ntdb_delete;
+
+ DEBUG(10, ("Allocated locked data 0x%p\n", state.result));
+
+ return state.result;
+}
+
+static struct db_record *db_ntdb_fetch_locked(
+ struct db_context *db, TALLOC_CTX *mem_ctx, NTDB_DATA key)
+{
+ struct db_ntdb_ctx *ctx = talloc_get_type_abort(db->private_data,
+ struct db_ntdb_ctx);
+
+ db_ntdb_log_key("Locking", key);
+ if (ntdb_chainlock(ctx->ntdb, key) != 0) {
+ DEBUG(3, ("ntdb_chainlock failed\n"));
+ return NULL;
+ }
+ return db_ntdb_fetch_locked_internal(db, mem_ctx, key);
+}
+
+/* Proxy which sets waitflag to false so we never block. */
+static int lock_nonblock(int fd, int rw, off_t off, off_t len, bool waitflag,
+ void *_orig)
+{
+ struct ntdb_attribute_flock *orig = _orig;
+
+ return orig->lock(fd, rw, off, len, false, orig->data);
+}
+
+static enum NTDB_ERROR enable_nonblock(struct ntdb_context *ntdb,
+ union ntdb_attribute *orig)
+{
+ union ntdb_attribute locking;
+ enum NTDB_ERROR ecode;
+
+ orig->base.attr = NTDB_ATTRIBUTE_FLOCK;
+ ecode = ntdb_get_attribute(ntdb, orig);
+ if (ecode != NTDB_SUCCESS) {
+ return ecode;
+ }
+
+ /* Replace locking function with our own. */
+ locking = *orig;
+ locking.flock.data = orig;
+ locking.flock.lock = lock_nonblock;
+
+ return ntdb_set_attribute(ntdb, &locking);
+}
+
+static void disable_nonblock(struct ntdb_context *ntdb)
+{
+ ntdb_unset_attribute(ntdb, NTDB_ATTRIBUTE_FLOCK);
+}
+
+static enum NTDB_ERROR ntdb_chainlock_nonblock(struct ntdb_context *ntdb,
+ NTDB_DATA key)
+{
+ union ntdb_attribute orig;
+ enum NTDB_ERROR ecode;
+
+ ecode = enable_nonblock(ntdb, &orig);
+ if (!ecode) {
+ ecode = ntdb_chainlock(ntdb, key);
+ disable_nonblock(ntdb);
+ }
+ return ecode;
+}
+
+static struct db_record *db_ntdb_try_fetch_locked(
+ struct db_context *db, TALLOC_CTX *mem_ctx, TDB_DATA key)
+{
+ struct db_ntdb_ctx *ctx = talloc_get_type_abort(db->private_data,
+ struct db_ntdb_ctx);
+
+ db_ntdb_log_key("Trying to lock", key);
+ if (ntdb_chainlock_nonblock(ctx->ntdb, key) != 0) {
+ DEBUG(3, ("ntdb_chainlock_nonblock failed\n"));
+ return NULL;
+ }
+ return db_ntdb_fetch_locked_internal(db, mem_ctx, key);
+}
+
+static struct flock flock_struct;
+
+/* Return a value which is none of v1, v2 or v3. */
+static inline short int invalid_value(short int v1, short int v2, short int v3)
+{
+ short int try = (v1+v2+v3)^((v1+v2+v3) << 16);
+ while (try == v1 || try == v2 || try == v3)
+ try++;
+ return try;
+}
+
+/* We invalidate in as many ways as we can, so the OS rejects it */
+static void invalidate_flock_struct(int signum)
+{
+ flock_struct.l_type = invalid_value(F_RDLCK, F_WRLCK, F_UNLCK);
+ flock_struct.l_whence = invalid_value(SEEK_SET, SEEK_CUR, SEEK_END);
+ flock_struct.l_start = -1;
+ /* A large negative. */
+ flock_struct.l_len = (((off_t)1 << (sizeof(off_t)*CHAR_BIT - 1)) + 1);
+}
+
+static int timeout_lock(int fd, int rw, off_t off, off_t len, bool waitflag,
+ void *_timeout)
+{
+ int ret, saved_errno;
+ unsigned int timeout = *(unsigned int *)_timeout;
+
+ flock_struct.l_type = rw;
+ flock_struct.l_whence = SEEK_SET;
+ flock_struct.l_start = off;
+ flock_struct.l_len = len;
+
+ CatchSignal(SIGALRM, invalidate_flock_struct);
+ alarm(timeout);
+
+ for (;;) {
+ if (waitflag)
+ ret = fcntl(fd, F_SETLKW, &flock_struct);
+ else
+ ret = fcntl(fd, F_SETLK, &flock_struct);
+
+ if (ret == 0)
+ break;
+
+ /* Not signalled? Something else went wrong. */
+ if (flock_struct.l_len == len) {
+ if (errno == EAGAIN || errno == EINTR)
+ continue;
+ saved_errno = errno;
+ break;
+ } else {
+ saved_errno = EINTR;
+ break;
+ }
+ }
+
+ alarm(0);
+ errno = saved_errno;
+ return ret;
+}
+
+static int ntdb_chainlock_timeout(struct ntdb_context *ntdb,
+ NTDB_DATA key,
+ unsigned int timeout)
+{
+ union ntdb_attribute locking;
+ enum NTDB_ERROR ecode;
+
+ locking.base.attr = NTDB_ATTRIBUTE_FLOCK;
+ ecode = ntdb_get_attribute(ntdb, &locking);
+ if (ecode != NTDB_SUCCESS) {
+ return -1;
+ }
+
+ /* Replace locking function with our own. */
+ locking.flock.data = &timeout;
+ locking.flock.lock = timeout_lock;
+
+ ecode = ntdb_set_attribute(ntdb, &locking);
+ if (ecode != NTDB_SUCCESS) {
+ return -1;
+ }
+
+ ecode = ntdb_chainlock(ntdb, key);
+
+ ntdb_unset_attribute(ntdb, NTDB_ATTRIBUTE_FLOCK);
+ return ecode == NTDB_SUCCESS ? 0 : -1;
+}
+
+static struct db_record *db_ntdb_fetch_locked_timeout(
+ struct db_context *db, TALLOC_CTX *mem_ctx, TDB_DATA key,
+ unsigned int timeout)
+{
+ struct db_ntdb_ctx *ctx = talloc_get_type_abort(db->private_data,
+ struct db_ntdb_ctx);
+
+ db_ntdb_log_key("Trying to lock", key);
+ if (ntdb_chainlock_timeout(ctx->ntdb, key, timeout) != 0) {
+ DEBUG(3, ("ntdb_chainlock_timeout failed\n"));
+ return NULL;
+ }
+ return db_ntdb_fetch_locked_internal(db, mem_ctx, key);
+}
+
+
+static int db_ntdb_exists(struct db_context *db, TDB_DATA key)
+{
+ struct db_ntdb_ctx *ctx = talloc_get_type_abort(
+ db->private_data, struct db_ntdb_ctx);
+ return ntdb_exists(ctx->ntdb, key);
+}
+
+static int db_ntdb_wipe(struct db_context *db)
+{
+ struct db_ntdb_ctx *ctx = talloc_get_type_abort(
+ db->private_data, struct db_ntdb_ctx);
+ if (ntdb_wipe_all(ctx->ntdb) != NTDB_SUCCESS) {
+ return -1;
+ }
+ return 0;
+}
+
+static int db_ntdb_check(struct db_context *db)
+{
+ struct db_ntdb_ctx *ctx = talloc_get_type_abort(
+ db->private_data, struct db_ntdb_ctx);
+ if (ntdb_check(ctx->ntdb, NULL, NULL) != NTDB_SUCCESS) {
+ return -1;
+ }
+ return 0;
+}
+
+struct db_ntdb_parse_state {
+ void (*parser)(TDB_DATA key, TDB_DATA data,
+ void *private_data);
+ void *private_data;
+};
+
+/*
+ * ntdb_parse_record expects a parser returning enum NTDB_ERROR,
+ * mixing up ntdb and parser errors. Wrap around that by always
+ * returning NTDB_SUCCESS and have dbwrap_parse_record expect a parser
+ * returning void.
+ */
+
+static enum NTDB_ERROR db_ntdb_parser(NTDB_DATA key, NTDB_DATA data,
+ struct db_ntdb_parse_state *state)
+{
+ state->parser(key, data, state->private_data);
+ return TDB_SUCCESS;
+}
+
+static NTSTATUS db_ntdb_parse(struct db_context *db, TDB_DATA key,
+ void (*parser)(TDB_DATA key, TDB_DATA data,
+ void *private_data),
+ void *private_data)
+{
+ struct db_ntdb_ctx *ctx = talloc_get_type_abort(
+ db->private_data, struct db_ntdb_ctx);
+ struct db_ntdb_parse_state state;
+ enum NTDB_ERROR err;
+
+ state.parser = parser;
+ state.private_data = private_data;
+
+ err = ntdb_parse_record(ctx->ntdb, key, db_ntdb_parser, &state);
+ return map_nt_error_from_ntdb(err);
+}
+
+struct db_ntdb_traverse_ctx {
+ struct db_context *db;
+ int (*f)(struct db_record *rec, void *private_data);
+ void *private_data;
+};
+
+static int db_ntdb_traverse_func(struct ntdb_context *ntdb,
+ NTDB_DATA kbuf, NTDB_DATA dbuf,
+ struct db_ntdb_traverse_ctx *ctx)
+{
+ struct db_record rec;
+
+ rec.key = kbuf;
+ rec.value = dbuf;
+ rec.store = db_ntdb_store;
+ rec.delete_rec = db_ntdb_delete;
+ rec.private_data = ctx->db->private_data;
+ rec.db = ctx->db;
+
+ return ctx->f(&rec, ctx->private_data);
+}
+
+static int db_ntdb_traverse(struct db_context *db,
+ int (*f)(struct db_record *rec, void *private_data),
+ void *private_data)
+{
+ struct db_ntdb_ctx *db_ctx =
+ talloc_get_type_abort(db->private_data, struct db_ntdb_ctx);
+ struct db_ntdb_traverse_ctx ctx;
+ int64_t ret;
+
+ ctx.db = db;
+ ctx.f = f;
+ ctx.private_data = private_data;
+ ret = ntdb_traverse(db_ctx->ntdb, db_ntdb_traverse_func, &ctx);
+
+ if (ret < 0) {
+ return -1;
+ }
+
+ /* Make sure we don't truncate! */
+ if ((int)ret != ret) {
+ ret = INT_MAX;
+ }
+ return ret;
+}
+
+static NTSTATUS db_ntdb_store_deny(struct db_record *rec, NTDB_DATA data, int flag)
+{
+ return NT_STATUS_MEDIA_WRITE_PROTECTED;
+}
+
+static NTSTATUS db_ntdb_delete_deny(struct db_record *rec)
+{
+ return NT_STATUS_MEDIA_WRITE_PROTECTED;
+}
+
+static int db_ntdb_traverse_read_func(struct ntdb_context *ntdb,
+ NTDB_DATA kbuf, NTDB_DATA dbuf,
+ struct db_ntdb_traverse_ctx *ctx)
+{
+ struct db_record rec;
+
+ rec.key = kbuf;
+ rec.value = dbuf;
+ rec.store = db_ntdb_store_deny;
+ rec.delete_rec = db_ntdb_delete_deny;
+ rec.private_data = ctx->db->private_data;
+ rec.db = ctx->db;
+
+ return ctx->f(&rec, ctx->private_data);
+}
+
+static int db_ntdb_traverse_read(struct db_context *db,
+ int (*f)(struct db_record *rec,
+ void *private_data),
+ void *private_data)
+{
+ struct db_ntdb_ctx *db_ctx =
+ talloc_get_type_abort(db->private_data, struct db_ntdb_ctx);
+ struct db_ntdb_traverse_ctx ctx;
+ int64_t ret;
+
+ ctx.db = db;
+ ctx.f = f;
+ ctx.private_data = private_data;
+
+ /* This is a bit of paranoia to check that f() isn't altering
+ * database. */
+ if (ntdb_get_flags(db_ctx->ntdb) & NTDB_RDONLY) {
+ ret = ntdb_traverse(db_ctx->ntdb, db_ntdb_traverse_read_func,
+ &ctx);
+ } else {
+ ntdb_add_flag(db_ctx->ntdb, NTDB_RDONLY);
+ ret = ntdb_traverse(db_ctx->ntdb, db_ntdb_traverse_read_func,
+ &ctx);
+ ntdb_remove_flag(db_ctx->ntdb, NTDB_RDONLY);
+ }
+
+ if (ret < 0) {
+ return -1;
+ }
+
+ /* Make sure we don't truncate! */
+ if ((int)ret != ret) {
+ ret = INT_MAX;
+ }
+ return ret;
+}
+
+static int db_ntdb_get_seqnum(struct db_context *db)
+
+{
+ struct db_ntdb_ctx *db_ctx =
+ talloc_get_type_abort(db->private_data, struct db_ntdb_ctx);
+ return ntdb_get_seqnum(db_ctx->ntdb);
+}
+
+static int db_ntdb_transaction_start(struct db_context *db)
+{
+ struct db_ntdb_ctx *db_ctx =
+ talloc_get_type_abort(db->private_data, struct db_ntdb_ctx);
+ return ntdb_transaction_start(db_ctx->ntdb) == NTDB_SUCCESS ? 0 : -1;
+}
+
+static NTSTATUS db_ntdb_transaction_start_nonblock(struct db_context *db)
+{
+ union ntdb_attribute orig;
+ enum NTDB_ERROR ecode;
+ struct db_ntdb_ctx *db_ctx =
+ talloc_get_type_abort(db->private_data, struct db_ntdb_ctx);
+
+ ecode = enable_nonblock(db_ctx->ntdb, &orig);
+ if (!ecode) {
+ ecode = ntdb_transaction_start(db_ctx->ntdb);
+ disable_nonblock(db_ctx->ntdb);
+ }
+ return map_nt_error_from_ntdb(ecode);
+}
+
+static int db_ntdb_transaction_commit(struct db_context *db)
+{
+ struct db_ntdb_ctx *db_ctx =
+ talloc_get_type_abort(db->private_data, struct db_ntdb_ctx);
+ return ntdb_transaction_commit(db_ctx->ntdb) == NTDB_SUCCESS ? 0 : -1;
+}
+
+static int db_ntdb_transaction_cancel(struct db_context *db)
+{
+ struct db_ntdb_ctx *db_ctx =
+ talloc_get_type_abort(db->private_data, struct db_ntdb_ctx);
+ ntdb_transaction_cancel(db_ctx->ntdb);
+ return 0;
+}
+
+static void db_ntdb_id(struct db_context *db, const uint8_t **id, size_t *idlen)
+{
+ struct db_ntdb_ctx *db_ctx =
+ talloc_get_type_abort(db->private_data, struct db_ntdb_ctx);
+ *id = (uint8_t *)&db_ctx->id;
+ *idlen = sizeof(db_ctx->id);
+}
+
+/* Don't ask this to open a .tdb file: dbwrap_local_open will catch that. */
+struct db_context *db_open_ntdb(TALLOC_CTX *mem_ctx,
+ struct loadparm_context *lp_ctx,
+ const char *ntdbname,
+ int hash_size, int ntdb_flags,
+ int open_flags, mode_t mode,
+ enum dbwrap_lock_order lock_order)
+{
+ struct db_context *result = NULL;
+ struct db_ntdb_ctx *db_ntdb;
+ struct stat st;
+ union ntdb_attribute hattr;
+
+ if ((ntdb_flags & NTDB_INTERNAL) && !ntdbname) {
+ ntdbname = "unnamed";
+ }
+
+ /* Extra paranoia. */
+ if (strends(ntdbname, ".tdb")) {
+ DEBUG(0, ("can't try to open %s with ntdb!", ntdbname));
+ return NULL;
+ }
+
+ /* We only use this if hsize is non-zero. */
+ hattr.base.attr = NTDB_ATTRIBUTE_HASHSIZE;
+ hattr.base.next = NULL;
+ hattr.hashsize.size = hash_size;
+
+ result = talloc_zero(mem_ctx, struct db_context);
+ if (result == NULL) {
+ DEBUG(0, ("talloc failed\n"));
+ goto fail;
+ }
+
+ result->private_data = db_ntdb = talloc(result, struct db_ntdb_ctx);
+ if (db_ntdb == NULL) {
+ DEBUG(0, ("talloc failed\n"));
+ goto fail;
+ }
+ result->lock_order = lock_order;
+
+ db_ntdb->ntdb = ntdb_new(db_ntdb, ntdbname, ntdb_flags,
+ open_flags, mode,
+ hash_size ? &hattr : NULL, lp_ctx);
+ if (db_ntdb->ntdb == NULL) {
+ DEBUG(3, ("Could not open ntdb %s: %s\n",
+ ntdbname, strerror(errno)));
+ goto fail;
+ }
+
+ ZERO_STRUCT(db_ntdb->id);
+
+ if (fstat(ntdb_fd(db_ntdb->ntdb), &st) == -1) {
+ DEBUG(3, ("fstat failed: %s\n", strerror(errno)));
+ goto fail;
+ }
+ db_ntdb->id.dev = st.st_dev;
+ db_ntdb->id.ino = st.st_ino;
+
+ result->fetch_locked = db_ntdb_fetch_locked;
+ result->fetch_locked_timeout = db_ntdb_fetch_locked_timeout;
+ result->try_fetch_locked = db_ntdb_try_fetch_locked;
+ result->traverse = db_ntdb_traverse;
+ result->traverse_read = db_ntdb_traverse_read;
+ result->parse_record = db_ntdb_parse;
+ result->get_seqnum = db_ntdb_get_seqnum;
+ result->persistent = ((ntdb_flags & NTDB_CLEAR_IF_FIRST) == 0);
+ result->transaction_start = db_ntdb_transaction_start;
+ result->transaction_start_nonblock = db_ntdb_transaction_start_nonblock;
+ result->transaction_commit = db_ntdb_transaction_commit;
+ result->transaction_cancel = db_ntdb_transaction_cancel;
+ result->exists = db_ntdb_exists;
+ result->wipe = db_ntdb_wipe;
+ result->id = db_ntdb_id;
+ result->check = db_ntdb_check;
+ result->stored_callback = NULL;
+ result->name = ntdb_name(db_ntdb->ntdb);
+ result->hash_size = hash_size;
+ return result;
+
+ fail:
+ if (result != NULL) {
+ TALLOC_FREE(result);
+ }
+ return NULL;
+}
git.samba.org / obnox / samba / samba-obnox.git / commitdiff