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authorAndrew Tridgell <tridge@samba.org>2005-10-28 03:43:39 +0000
committerGerald (Jerry) Carter <jerry@samba.org>2007-10-10 13:45:23 -0500
commitd812957a3162d37ec355b2e2673f3e7297626da7 (patch)
tree3eb7ff530a973de07f8dbaed9a09e24a54a26760 /source4/lib
parent56576de528db2b2029ee7d32e515a2edbad147a1 (diff)
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r11353: a bit of an improvement to the ldb_tdb error handling
(This used to be commit 896704f5c139c8bce30dfc898bb3a12be10035ed)
Diffstat (limited to 'source4/lib')
-rw-r--r--source4/lib/ldb/common/ldb.c42
-rw-r--r--source4/lib/ldb/ldb_tdb/ldb_index.c2
-rw-r--r--source4/lib/ldb/ldb_tdb/ldb_tdb.c45
3 files changed, 61 insertions, 28 deletions
diff --git a/source4/lib/ldb/common/ldb.c b/source4/lib/ldb/common/ldb.c
index abd2c03aa3..791e66ea51 100644
--- a/source4/lib/ldb/common/ldb.c
+++ b/source4/lib/ldb/common/ldb.c
@@ -223,6 +223,24 @@ int ldb_search_bytree(struct ldb_context *ldb,
}
/*
+ check for an error return from an op
+ if an op fails, but has not setup an error string, then setup one now
+*/
+static int ldb_op_finish(struct ldb_context *ldb, int status)
+{
+ if (status == LDB_SUCCESS) {
+ return ldb_transaction_commit(ldb);
+ }
+ if (ldb->err_string == NULL) {
+ /* no error string was setup by the backend */
+ ldb_set_errstring(ldb->modules,
+ talloc_asprintf(ldb, "ldb error %d", status));
+ }
+ ldb_transaction_cancel(ldb);
+ return status;
+}
+
+/*
add a record to the database. Will fail if a record with the given class and key
already exists
*/
@@ -244,11 +262,7 @@ int ldb_add(struct ldb_context *ldb,
if (status != LDB_SUCCESS) return status;
status = module->ops->add_record(module, message);
- if (status != LDB_SUCCESS) {
- ldb_transaction_cancel(ldb);
- return status;
- }
- return ldb_transaction_commit(ldb);
+ return ldb_op_finish(ldb, status);
}
return module->ops->add_record(module, message);
@@ -275,11 +289,7 @@ int ldb_modify(struct ldb_context *ldb,
if (status != LDB_SUCCESS) return status;
status = module->ops->modify_record(module, message);
- if (status != LDB_SUCCESS) {
- ldb_transaction_cancel(ldb);
- return status;
- }
- return ldb_transaction_commit(ldb);
+ return ldb_op_finish(ldb, status);
}
return module->ops->modify_record(module, message);
@@ -303,11 +313,7 @@ int ldb_delete(struct ldb_context *ldb, const struct ldb_dn *dn)
if (status != LDB_SUCCESS) return status;
status = module->ops->delete_record(module, dn);
- if (status != LDB_SUCCESS) {
- ldb_transaction_cancel(ldb);
- return status;
- }
- return ldb_transaction_commit(ldb);
+ return ldb_op_finish(ldb, status);
}
return module->ops->delete_record(module, dn);
@@ -330,11 +336,7 @@ int ldb_rename(struct ldb_context *ldb, const struct ldb_dn *olddn, const struct
if (status != LDB_SUCCESS) return status;
status = module->ops->rename_record(module, olddn, newdn);
- if (status != LDB_SUCCESS) {
- ldb_transaction_cancel(ldb);
- return status;
- }
- return ldb_transaction_commit(ldb);
+ return ldb_op_finish(ldb, status);
}
return module->ops->rename_record(module, olddn, newdn);
diff --git a/source4/lib/ldb/ldb_tdb/ldb_index.c b/source4/lib/ldb/ldb_tdb/ldb_index.c
index 275aadbd78..093b0dab1d 100644
--- a/source4/lib/ldb/ldb_tdb/ldb_index.c
+++ b/source4/lib/ldb/ldb_tdb/ldb_index.c
@@ -1119,14 +1119,12 @@ int ltdb_reindex(struct ldb_module *module)
/* first traverse the database deleting any @INDEX records */
ret = tdb_traverse(ltdb->tdb, delete_index, NULL);
if (ret == -1) {
- errno = EIO;
return -1;
}
/* now traverse adding any indexes for normal LDB records */
ret = tdb_traverse(ltdb->tdb, re_index, module);
if (ret == -1) {
- errno = EIO;
return -1;
}
diff --git a/source4/lib/ldb/ldb_tdb/ldb_tdb.c b/source4/lib/ldb/ldb_tdb/ldb_tdb.c
index b9404a557b..5b2feb741b 100644
--- a/source4/lib/ldb/ldb_tdb/ldb_tdb.c
+++ b/source4/lib/ldb/ldb_tdb/ldb_tdb.c
@@ -41,6 +41,37 @@
#include "ldb/include/ldb_private.h"
#include "ldb/ldb_tdb/ldb_tdb.h"
+
+/*
+ map a tdb error code to a ldb error code
+*/
+static int ltdb_err_map(enum TDB_ERROR tdb_code)
+{
+ switch (tdb_code) {
+ case TDB_SUCCESS:
+ return LDB_SUCCESS;
+ case TDB_ERR_CORRUPT:
+ case TDB_ERR_OOM:
+ case TDB_ERR_EINVAL:
+ return LDB_ERR_OPERATIONS_ERROR;
+ case TDB_ERR_IO:
+ return LDB_ERR_PROTOCOL_ERROR;
+ case TDB_ERR_LOCK:
+ case TDB_ERR_NOLOCK:
+ return LDB_ERR_BUSY;
+ case TDB_ERR_LOCK_TIMEOUT:
+ return LDB_ERR_TIME_LIMIT_EXCEEDED;
+ case TDB_ERR_EXISTS:
+ return LDB_ERR_ENTRY_ALREADY_EXISTS;
+ case TDB_ERR_NOEXIST:
+ return LDB_ERR_NO_SUCH_OBJECT;
+ case TDB_ERR_RDONLY:
+ return LDB_ERR_INSUFFICIENT_ACCESS_RIGHTS;
+ }
+ return LDB_ERR_OTHER;
+}
+
+
/*
form a TDB_DATA for a record key
caller frees
@@ -168,7 +199,7 @@ int ltdb_store(struct ldb_module *module, const struct ldb_message *msg, int flg
ret = tdb_store(ltdb->tdb, tdb_key, tdb_data, flgs);
if (ret == -1) {
- ret = LDB_ERR_OTHER;
+ ret = ltdb_err_map(tdb_error(ltdb->tdb));
goto done;
}
@@ -229,7 +260,9 @@ int ltdb_delete_noindex(struct ldb_module *module, const struct ldb_dn *dn)
ret = tdb_delete(ltdb->tdb, tdb_key);
talloc_free(tdb_key.dptr);
- if (ret != 0) ret = LDB_ERR_OTHER;
+ if (ret != 0) {
+ ret = ltdb_err_map(tdb_error(ltdb->tdb));
+ }
return ret;
}
@@ -450,7 +483,7 @@ int ltdb_modify_internal(struct ldb_module *module, const struct ldb_message *ms
tdb_data = tdb_fetch(ltdb->tdb, tdb_key);
if (!tdb_data.dptr) {
talloc_free(tdb_key.dptr);
- return LDB_ERR_OTHER;
+ return ltdb_err_map(tdb_error(ltdb->tdb));
}
msg2 = talloc(tdb_key.dptr, struct ldb_message);
@@ -672,7 +705,7 @@ static int ltdb_start_trans(struct ldb_module *module)
struct ltdb_private *ltdb = module->private_data;
if (tdb_transaction_start(ltdb->tdb) != 0) {
- return LDB_ERR_OPERATIONS_ERROR;
+ return ltdb_err_map(tdb_error(ltdb->tdb));
}
return LDB_SUCCESS;
@@ -683,7 +716,7 @@ static int ltdb_end_trans(struct ldb_module *module)
struct ltdb_private *ltdb = module->private_data;
if (tdb_transaction_commit(ltdb->tdb) != 0) {
- return LDB_ERR_OPERATIONS_ERROR;
+ return ltdb_err_map(tdb_error(ltdb->tdb));
}
return LDB_SUCCESS;
@@ -694,7 +727,7 @@ static int ltdb_del_trans(struct ldb_module *module)
struct ltdb_private *ltdb = module->private_data;
if (tdb_transaction_cancel(ltdb->tdb) != 0) {
- return LDB_ERR_OPERATIONS_ERROR;
+ return ltdb_err_map(tdb_error(ltdb->tdb));
}
return LDB_SUCCESS;