Attachment 15352 Details for Bug 13959 – patch for Samba 4.10 (backported/cherry-picked from master) V3

[patch] patch for Samba 4.10 (backported/cherry-picked from master) V3

segfault-fix-backport-4.10-V3.patch (text/plain), 36.50 KB, created by Aaron Haslett (dead mail address) on 2019-07-31 01:23:29 UTC

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Creator: Aaron Haslett (dead mail address)

Created: 2019-07-31 01:23:29 UTC

Size: 36.50 KB

patch

obsolete

>From b4bf73617fc6370d796eff9e439b9a72409678f9 Mon Sep 17 00:00:00 2001
>From: Aaron Haslett <aaronhaslett@catalyst.net.nz>
>Date: Tue, 28 May 2019 17:22:10 +1200
>Subject: [PATCH 1/5] ldb: test for parse errors
>
>Parse errors aren't passed up correctly by the tdb backend. This
>patch modifies a test to expose the issue, next patch will fix it.
>
>BUG: https://bugzilla.samba.org/show_bug.cgi?id=13959
>
>Signed-off-by: Aaron Haslett <aaronhaslett@catalyst.net.nz>
>Reviewed-by: Andrew Bartlett <abartlet@samba.org>
>Reviewed-by: Garming Sam <garming@catalyst.net.nz>
>(cherry picked from commit 2de0aebed60b8e83508f50e5391ede618ce0e595)
>---
> lib/ldb/tests/ldb_kv_ops_test.c | 23 +++++++++++++++++++++++
> 1 file changed, 23 insertions(+)
>
>diff --git a/lib/ldb/tests/ldb_kv_ops_test.c b/lib/ldb/tests/ldb_kv_ops_test.c
>index d6a4dc0..bd9f3ee 100644
>--- a/lib/ldb/tests/ldb_kv_ops_test.c
>+++ b/lib/ldb/tests/ldb_kv_ops_test.c
>@@ -203,6 +203,17 @@ static int parse(struct ldb_val key,
> }
> 
> /*
>+ * Parse function that just returns the int we pass it.
>+ */
>+static int parse_return(struct ldb_val key,
>+		        struct ldb_val data,
>+		        void *private_data)
>+{
>+	int *rcode = private_data;
>+	return *rcode;
>+}
>+
>+/*
>  * Test that data can be written to the kv store and be read back.
>  */
> static void test_add_get(void **state)
>@@ -224,6 +235,7 @@ static void test_add_get(void **state)
> 	};
> 
> 	struct ldb_val read;
>+	int rcode;
> 
> 	int flags = 0;
> 	TALLOC_CTX *tmp_ctx;
>@@ -261,6 +273,17 @@ static void test_add_get(void **state)
> 	assert_int_equal(sizeof(value), read.length);
> 	assert_memory_equal(value, read.data, sizeof(value));
> 
>+	/*
>+	 * Now check that the error code we return in the
>+	 * parse function is returned by fetch_and_parse.
>+	 */
>+	for (rcode=0; rcode<50; rcode++) {
>+		ret = ldb_kv->kv_ops->fetch_and_parse(ldb_kv, key,
>+						      parse_return,
>+						      &rcode);
>+		assert_int_equal(ret, rcode);
>+	}
>+
> 	ret = ldb_kv->kv_ops->unlock_read(test_ctx->ldb->modules);
> 	assert_int_equal(ret, 0);
> 	talloc_free(tmp_ctx);
>-- 
>2.7.4
>
>
>From eae3bde99c9e90d6a32eeb4565f7f3faeefa1750 Mon Sep 17 00:00:00 2001
>From: Andrew Bartlett <abartlet@samba.org>
>Date: Wed, 22 May 2019 16:38:08 +1200
>Subject: [PATCH 2/5] ldb: Fix segfault parsing new pack formats
>
>We need to check for the errors given by ldb_unpack() et al by preserving
>the error code from kv_ctx->parser() called by tdb_parse_record() in
>ltdb_parse_record().
>
>Otherwise we will silently accept corrupt records and segfault later.
>
>Likewise new pack formats will confuse the parser but not be
>detected except by the incomplete struct ldb_message.
>
>With this patch, the user will see a message like:
>
> Invalid data for index  DN=@BASEINFO
>
> Failed to connect to 'st/ad_dc/private/sam.ldb' with backend 'tdb': Unable to load ltdb cache records for backend 'ldb_tdb backend'
> Failed to connect to st/ad_dc/private/sam.ldb - Unable to load ltdb cache records for backend 'ldb_tdb backend'
>
>This can be refined in the future by a specific check for
>pack format versions in a higher caller, but this much is
>needed regardless to detect corrupt records.
>
>BUG: https://bugzilla.samba.org/show_bug.cgi?id=13959
>
>Signed-off-by: Andrew Bartlett <abartlet@samba.org>
>Reviewed-by: Garming Sam <garming@catalyst.net.nz>
>(cherry picked from commit a3101b9704f554a350493553336cbbbd7d4ae02e)
>---
> lib/ldb/ldb_tdb/ldb_tdb.c | 8 ++++++--
> 1 file changed, 6 insertions(+), 2 deletions(-)
>
>diff --git a/lib/ldb/ldb_tdb/ldb_tdb.c b/lib/ldb/ldb_tdb/ldb_tdb.c
>index 812ddd3..51507f5 100644
>--- a/lib/ldb/ldb_tdb/ldb_tdb.c
>+++ b/lib/ldb/ldb_tdb/ldb_tdb.c
>@@ -242,6 +242,7 @@ struct kv_ctx {
> 	int (*parser)(struct ldb_val key,
> 		      struct ldb_val data,
> 		      void *private_data);
>+	int parser_ret;
> };
> 
> static int ltdb_traverse_fn_wrapper(struct tdb_context *tdb,
>@@ -350,7 +351,8 @@ static int ltdb_parse_record_wrapper(TDB_DATA tdb_key,
> 		.data = tdb_data.dptr,
> 	};
> 
>-	return kv_ctx->parser(key, data, kv_ctx->ctx);
>+	kv_ctx->parser_ret = kv_ctx->parser(key, data, kv_ctx->ctx);
>+	return kv_ctx->parser_ret;
> }
> 
> static int ltdb_parse_record(struct ldb_kv_private *ldb_kv,
>@@ -374,7 +376,9 @@ static int ltdb_parse_record(struct ldb_kv_private *ldb_kv,
> 
> 	ret = tdb_parse_record(
> 	    ldb_kv->tdb, key, ltdb_parse_record_wrapper, &kv_ctx);
>-	if (ret == 0) {
>+	if (kv_ctx.parser_ret != LDB_SUCCESS) {
>+		return kv_ctx.parser_ret;
>+	} else if (ret == 0) {
> 		return LDB_SUCCESS;
> 	}
> 	return ltdb_err_map(tdb_error(ldb_kv->tdb));
>-- 
>2.7.4
>
>
>From 68c50f84fe7fb819a18673577ee55ac0d3c537c9 Mon Sep 17 00:00:00 2001
>From: Aaron Haslett <aaronhaslett@catalyst.net.nz>
>Date: Fri, 10 May 2019 18:10:51 +1200
>Subject: [PATCH 3/5] ldb: baseinfo pack format check on init
>
>We will be adding a new packing format in forthcoming commits and there
>may be more versions in the future. We need to make sure the database
>contains records in a format we know how to read and write.
>Done by fetching the @BASEINFO record and reading the first 4
>bytes which contain the packing format version.
>
>NOTE: Configure with --abi-check-disable to build this commit. This
>patch is part of a set of LDB ABI changes, and the version update is
>done on the last commit.
>
>BUG: https://bugzilla.samba.org/show_bug.cgi?id=13977
>
>Signed-off-by: Aaron Haslett <aaronhaslett@catalyst.net.nz>
>Reviewed-by: Andrew Bartlett <abartlet@samba.org>
>Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
>(backported from commit 474e55523224430781ed22aa2d0c8a474306e794)
>---
> lib/ldb/common/ldb_pack.c            | 23 ++++++++++++++--------
> lib/ldb/include/ldb_module.h         |  9 +++++++++
> lib/ldb/ldb_key_value/ldb_kv.c       |  2 ++
> lib/ldb/ldb_key_value/ldb_kv.h       |  1 +
> lib/ldb/ldb_key_value/ldb_kv_cache.c | 37 ++++++++++++++++++++++++++++++++++++
> 5 files changed, 64 insertions(+), 8 deletions(-)
>
>diff --git a/lib/ldb/common/ldb_pack.c b/lib/ldb/common/ldb_pack.c
>index 448c577..286803f 100644
>--- a/lib/ldb/common/ldb_pack.c
>+++ b/lib/ldb/common/ldb_pack.c
>@@ -33,12 +33,6 @@
> 
> #include "ldb_private.h"
> 
>-/* change this if the data format ever changes */
>-#define LDB_PACKING_FORMAT 0x26011967
>-
>-/* old packing formats */
>-#define LDB_PACKING_FORMAT_NODN 0x26011966
>-
> /* use a portable integer format */
> static void put_uint32(uint8_t *p, int ofs, unsigned int val)
> {
>@@ -229,7 +223,7 @@ int ldb_unpack_data_only_attr_list_flags(struct ldb_context *ldb,
> 	size_t remaining;
> 	size_t dn_len;
> 	unsigned int i, j;
>-	unsigned format;
>+	uint32_t format;
> 	unsigned int nelem = 0;
> 	size_t len;
> 	unsigned int found = 0;
>@@ -247,7 +241,10 @@ int ldb_unpack_data_only_attr_list_flags(struct ldb_context *ldb,
> 		goto failed;
> 	}
> 
>-	format = pull_uint32(p, 0);
>+	if (ldb_unpack_get_format(data, &format) != LDB_SUCCESS) {
>+		errno = EIO;
>+		goto failed;
>+	}
> 	message->num_elements = pull_uint32(p, 4);
> 	p += 8;
> 	if (nb_elements_in_db) {
>@@ -504,6 +501,16 @@ failed:
> 	return -1;
> }
> 
>+int ldb_unpack_get_format(const struct ldb_val *data,
>+			  uint32_t *pack_format_version)
>+{
>+	if (data->length < 4) {
>+		return LDB_ERR_OPERATIONS_ERROR;
>+	}
>+	*pack_format_version = pull_uint32(data->data, 0);
>+	return LDB_SUCCESS;
>+}
>+
> /*
>  * Unpack a ldb message from a linear buffer in ldb_val
>  *
>diff --git a/lib/ldb/include/ldb_module.h b/lib/ldb/include/ldb_module.h
>index c73fc37..8c47082 100644
>--- a/lib/ldb/include/ldb_module.h
>+++ b/lib/ldb/include/ldb_module.h
>@@ -561,11 +561,20 @@ int ldb_unpack_data_only_attr_list_flags(struct ldb_context *ldb,
> 					 unsigned int flags,
> 					 unsigned int *nb_elements_in_db);
> 
>+int ldb_unpack_get_format(const struct ldb_val *data,
>+			  uint32_t *pack_format_version);
>+
> #define LDB_UNPACK_DATA_FLAG_NO_DATA_ALLOC   0x0001
> #define LDB_UNPACK_DATA_FLAG_NO_DN           0x0002
> #define LDB_UNPACK_DATA_FLAG_NO_VALUES_ALLOC 0x0004
> #define LDB_UNPACK_DATA_FLAG_NO_ATTRS        0x0008
> 
>+/* In-use packing formats */
>+#define LDB_PACKING_FORMAT 0x26011967
>+
>+/* Old packing formats */
>+#define LDB_PACKING_FORMAT_NODN 0x26011966
>+
> /**
>  Forces a specific ldb handle to use the global event context.
> 
>diff --git a/lib/ldb/ldb_key_value/ldb_kv.c b/lib/ldb/ldb_key_value/ldb_kv.c
>index 31bdfb5..87ed37b 100644
>--- a/lib/ldb/ldb_key_value/ldb_kv.c
>+++ b/lib/ldb/ldb_key_value/ldb_kv.c
>@@ -1902,6 +1902,8 @@ int ldb_kv_init_store(struct ldb_kv_private *ldb_kv,
> 
> 	ldb_kv->sequence_number = 0;
> 
>+	ldb_kv->pack_format_version = LDB_PACKING_FORMAT;
>+
> 	ldb_kv->pid = getpid();
> 
> 	ldb_kv->module = ldb_module_new(ldb, ldb, name, &ldb_kv_ops);
>diff --git a/lib/ldb/ldb_key_value/ldb_kv.h b/lib/ldb/ldb_key_value/ldb_kv.h
>index cbc5213..c31973a 100644
>--- a/lib/ldb/ldb_key_value/ldb_kv.h
>+++ b/lib/ldb/ldb_key_value/ldb_kv.h
>@@ -53,6 +53,7 @@ struct ldb_kv_private {
> 	unsigned int connect_flags;
> 
> 	unsigned long long sequence_number;
>+	uint32_t pack_format_version;
> 
> 	/* the low level tdb seqnum - used to avoid loading BASEINFO when
> 	   possible */
>diff --git a/lib/ldb/ldb_key_value/ldb_kv_cache.c b/lib/ldb/ldb_key_value/ldb_kv_cache.c
>index c39273f..a795b53 100644
>--- a/lib/ldb/ldb_key_value/ldb_kv_cache.c
>+++ b/lib/ldb/ldb_key_value/ldb_kv_cache.c
>@@ -393,6 +393,13 @@ int ldb_kv_cache_reload(struct ldb_module *module)
> 	ldb_kv_cache_free(module);
> 	return ldb_kv_cache_load(module);
> }
>+static int get_pack_format_version(struct ldb_val key,
>+				   struct ldb_val data,
>+				   void *private_data)
>+{
>+	uint32_t *v = (uint32_t *) private_data;
>+	return ldb_unpack_get_format(&data, v);
>+}
> 
> /*
>   load the cache records
>@@ -409,6 +416,8 @@ int ldb_kv_cache_load(struct ldb_module *module)
> 	const struct ldb_schema_attribute *a;
> 	bool have_write_txn = false;
> 	int r;
>+	uint32_t pack_format_version;
>+	struct ldb_val key;
> 
> 	ldb = ldb_module_get_ctx(module);
> 
>@@ -433,6 +442,34 @@ int ldb_kv_cache_load(struct ldb_module *module)
> 	if (r != LDB_SUCCESS) {
> 		goto failed;
> 	}
>+
>+	key = ldb_kv_key_dn(module, baseinfo, baseinfo_dn);
>+	if (!key.data) {
>+		goto failed_and_unlock;
>+	}
>+
>+	/* Read packing format from first 4 bytes of @BASEINFO record */
>+	r = ldb_kv->kv_ops->fetch_and_parse(ldb_kv, key,
>+					    get_pack_format_version,
>+					    &pack_format_version);
>+
>+	if (r != LDB_ERR_NO_SUCH_OBJECT) {
>+		if (r != LDB_SUCCESS) {
>+			goto failed_and_unlock;
>+		}
>+
>+		/* Make sure the database has the right format */
>+		if (pack_format_version != ldb_kv->pack_format_version) {
>+			ldb_debug(ldb, LDB_DEBUG_ERROR,
>+				  "Unexpected packing format. "
>+				  "Expected: %#010x, Got: %#010x",
>+				  pack_format_version,
>+				  ldb_kv->pack_format_version);
>+			goto failed_and_unlock;
>+		}
>+	}
>+
>+	/* Now fetch the whole @BASEINFO record */
> 	r = ldb_kv_search_dn1(module, baseinfo_dn, baseinfo, 0);
> 	if (r != LDB_SUCCESS && r != LDB_ERR_NO_SUCH_OBJECT) {
> 		goto failed_and_unlock;
>-- 
>2.7.4
>
>
>From 242784dea2c5bfb432a057f55126ea3dae7f308b Mon Sep 17 00:00:00 2001
>From: Aaron Haslett <aaronhaslett@catalyst.net.nz>
>Date: Mon, 20 May 2019 16:19:51 +1200
>Subject: [PATCH 4/5] ldb: ldbdump key and pack format version comments
>
>For testing we need to know the actual KV level key of records and each
>record's pack format version. This patch makes ldbdump add comments with
>that info. We will parse it out in python tests.
>
>BUG: https://bugzilla.samba.org/show_bug.cgi?id=13978
>
>Signed-off-by: Aaron Haslett <aaronhaslett@catalyst.net.nz>
>Reviewed-by: Andrew Bartlett <abartlet@samba.org>
>Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
>
>Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
>Autobuild-Date(master): Wed May 22 05:58:17 UTC 2019 on sn-devel-184
>
>(cherry picked from commit a666a99e4dc594bc153cd26b24cddd547c1cc750)
>---
> lib/ldb/tools/ldbdump.c | 24 ++++++++++++++++++++++++
> 1 file changed, 24 insertions(+)
>
>diff --git a/lib/ldb/tools/ldbdump.c b/lib/ldb/tools/ldbdump.c
>index a466e49..09b4fe0 100644
>--- a/lib/ldb/tools/ldbdump.c
>+++ b/lib/ldb/tools/ldbdump.c
>@@ -36,6 +36,26 @@ static struct ldb_context *ldb;
> bool show_index = false;
> bool validate_contents = false;
> 
>+static void print_data(TDB_DATA d)
>+{
>+	unsigned char *p = (unsigned char *)d.dptr;
>+	int len = d.dsize;
>+	while (len--) {
>+		if (isprint(*p) && !strchr("\"\\", *p)) {
>+			fputc(*p, stdout);
>+		} else {
>+			printf("\\%02X", *p);
>+		}
>+		p++;
>+	}
>+}
>+
>+static unsigned int pull_uint32(uint8_t *p)
>+{
>+       return p[0] | (p[1]<<8) | (p[2]<<16) | (p[3]<<24);
>+}
>+
>+
> static int traverse_fn(TDB_CONTEXT *tdb, TDB_DATA key, TDB_DATA _dbuf, void *state)
> {
> 	int ret, i, j;
>@@ -79,6 +99,10 @@ static int traverse_fn(TDB_CONTEXT *tdb, TDB_DATA key, TDB_DATA _dbuf, void *sta
> 		}
> 	}
> 
>+	printf("# key: ");
>+	print_data(key);
>+	printf("\n# pack format: %#010x\n", pull_uint32(_dbuf.dptr));
>+
> 	if (!validate_contents || ldb_dn_is_special(msg->dn)) {
> 		ldb_ldif_write_file(ldb, stdout, &ldif);
> 		TALLOC_FREE(msg);
>-- 
>2.7.4
>
>
>From ccffa70e11581c4bfd0330428099304419fe49af Mon Sep 17 00:00:00 2001
>From: Andrew Bartlett <abartlet@samba.org>
>Date: Tue, 16 Jul 2019 17:53:47 +1200
>Subject: [PATCH 5/5] ldb: Release ldb 1.5.6
>
>* Fix segfault parsing new pack formats or invalid packed data (bug 13959)
>* Check for new pack formats during startup (bug 13977)
>* Making ldbdump print out pack format info and keys so we have
>  low level visibility for testing in python (for bug 13978)
>
>BUG: https://bugzilla.samba.org/show_bug.cgi?id=13959
>
>Signed-off-by: Andrew Bartlett <abartlet@samba.org>
>---
> lib/ldb/ABI/ldb-1.5.6.sigs            | 281 ++++++++++++++++++++++++++++++++++
> lib/ldb/ABI/pyldb-util-1.5.6.sigs     |   2 +
> lib/ldb/ABI/pyldb-util.py3-1.5.6.sigs |   2 +
> lib/ldb/wscript                       |   2 +-
> 4 files changed, 286 insertions(+), 1 deletion(-)
> create mode 100644 lib/ldb/ABI/ldb-1.5.6.sigs
> create mode 100644 lib/ldb/ABI/pyldb-util-1.5.6.sigs
> create mode 100644 lib/ldb/ABI/pyldb-util.py3-1.5.6.sigs
>
>diff --git a/lib/ldb/ABI/ldb-1.5.6.sigs b/lib/ldb/ABI/ldb-1.5.6.sigs
>new file mode 100644
>index 0000000..9bf06ce
>--- /dev/null
>+++ b/lib/ldb/ABI/ldb-1.5.6.sigs
>@@ -0,0 +1,281 @@
>+ldb_add: int (struct ldb_context *, const struct ldb_message *)
>+ldb_any_comparison: int (struct ldb_context *, void *, ldb_attr_handler_t, const struct ldb_val *, const struct ldb_val *)
>+ldb_asprintf_errstring: void (struct ldb_context *, const char *, ...)
>+ldb_attr_casefold: char *(TALLOC_CTX *, const char *)
>+ldb_attr_dn: int (const char *)
>+ldb_attr_in_list: int (const char * const *, const char *)
>+ldb_attr_list_copy: const char **(TALLOC_CTX *, const char * const *)
>+ldb_attr_list_copy_add: const char **(TALLOC_CTX *, const char * const *, const char *)
>+ldb_base64_decode: int (char *)
>+ldb_base64_encode: char *(TALLOC_CTX *, const char *, int)
>+ldb_binary_decode: struct ldb_val (TALLOC_CTX *, const char *)
>+ldb_binary_encode: char *(TALLOC_CTX *, struct ldb_val)
>+ldb_binary_encode_string: char *(TALLOC_CTX *, const char *)
>+ldb_build_add_req: int (struct ldb_request **, struct ldb_context *, TALLOC_CTX *, const struct ldb_message *, struct ldb_control **, void *, ldb_request_callback_t, struct ldb_request *)
>+ldb_build_del_req: int (struct ldb_request **, struct ldb_context *, TALLOC_CTX *, struct ldb_dn *, struct ldb_control **, void *, ldb_request_callback_t, struct ldb_request *)
>+ldb_build_extended_req: int (struct ldb_request **, struct ldb_context *, TALLOC_CTX *, const char *, void *, struct ldb_control **, void *, ldb_request_callback_t, struct ldb_request *)
>+ldb_build_mod_req: int (struct ldb_request **, struct ldb_context *, TALLOC_CTX *, const struct ldb_message *, struct ldb_control **, void *, ldb_request_callback_t, struct ldb_request *)
>+ldb_build_rename_req: int (struct ldb_request **, struct ldb_context *, TALLOC_CTX *, struct ldb_dn *, struct ldb_dn *, struct ldb_control **, void *, ldb_request_callback_t, struct ldb_request *)
>+ldb_build_search_req: int (struct ldb_request **, struct ldb_context *, TALLOC_CTX *, struct ldb_dn *, enum ldb_scope, const char *, const char * const *, struct ldb_control **, void *, ldb_request_callback_t, struct ldb_request *)
>+ldb_build_search_req_ex: int (struct ldb_request **, struct ldb_context *, TALLOC_CTX *, struct ldb_dn *, enum ldb_scope, struct ldb_parse_tree *, const char * const *, struct ldb_control **, void *, ldb_request_callback_t, struct ldb_request *)
>+ldb_casefold: char *(struct ldb_context *, TALLOC_CTX *, const char *, size_t)
>+ldb_casefold_default: char *(void *, TALLOC_CTX *, const char *, size_t)
>+ldb_check_critical_controls: int (struct ldb_control **)
>+ldb_comparison_binary: int (struct ldb_context *, void *, const struct ldb_val *, const struct ldb_val *)
>+ldb_comparison_fold: int (struct ldb_context *, void *, const struct ldb_val *, const struct ldb_val *)
>+ldb_connect: int (struct ldb_context *, const char *, unsigned int, const char **)
>+ldb_control_to_string: char *(TALLOC_CTX *, const struct ldb_control *)
>+ldb_controls_except_specified: struct ldb_control **(struct ldb_control **, TALLOC_CTX *, struct ldb_control *)
>+ldb_debug: void (struct ldb_context *, enum ldb_debug_level, const char *, ...)
>+ldb_debug_add: void (struct ldb_context *, const char *, ...)
>+ldb_debug_end: void (struct ldb_context *, enum ldb_debug_level)
>+ldb_debug_set: void (struct ldb_context *, enum ldb_debug_level, const char *, ...)
>+ldb_delete: int (struct ldb_context *, struct ldb_dn *)
>+ldb_dn_add_base: bool (struct ldb_dn *, struct ldb_dn *)
>+ldb_dn_add_base_fmt: bool (struct ldb_dn *, const char *, ...)
>+ldb_dn_add_child: bool (struct ldb_dn *, struct ldb_dn *)
>+ldb_dn_add_child_fmt: bool (struct ldb_dn *, const char *, ...)
>+ldb_dn_add_child_val: bool (struct ldb_dn *, const char *, struct ldb_val)
>+ldb_dn_alloc_casefold: char *(TALLOC_CTX *, struct ldb_dn *)
>+ldb_dn_alloc_linearized: char *(TALLOC_CTX *, struct ldb_dn *)
>+ldb_dn_canonical_ex_string: char *(TALLOC_CTX *, struct ldb_dn *)
>+ldb_dn_canonical_string: char *(TALLOC_CTX *, struct ldb_dn *)
>+ldb_dn_check_local: bool (struct ldb_module *, struct ldb_dn *)
>+ldb_dn_check_special: bool (struct ldb_dn *, const char *)
>+ldb_dn_compare: int (struct ldb_dn *, struct ldb_dn *)
>+ldb_dn_compare_base: int (struct ldb_dn *, struct ldb_dn *)
>+ldb_dn_copy: struct ldb_dn *(TALLOC_CTX *, struct ldb_dn *)
>+ldb_dn_escape_value: char *(TALLOC_CTX *, struct ldb_val)
>+ldb_dn_extended_add_syntax: int (struct ldb_context *, unsigned int, const struct ldb_dn_extended_syntax *)
>+ldb_dn_extended_filter: void (struct ldb_dn *, const char * const *)
>+ldb_dn_extended_syntax_by_name: const struct ldb_dn_extended_syntax *(struct ldb_context *, const char *)
>+ldb_dn_from_ldb_val: struct ldb_dn *(TALLOC_CTX *, struct ldb_context *, const struct ldb_val *)
>+ldb_dn_get_casefold: const char *(struct ldb_dn *)
>+ldb_dn_get_comp_num: int (struct ldb_dn *)
>+ldb_dn_get_component_name: const char *(struct ldb_dn *, unsigned int)
>+ldb_dn_get_component_val: const struct ldb_val *(struct ldb_dn *, unsigned int)
>+ldb_dn_get_extended_comp_num: int (struct ldb_dn *)
>+ldb_dn_get_extended_component: const struct ldb_val *(struct ldb_dn *, const char *)
>+ldb_dn_get_extended_linearized: char *(TALLOC_CTX *, struct ldb_dn *, int)
>+ldb_dn_get_ldb_context: struct ldb_context *(struct ldb_dn *)
>+ldb_dn_get_linearized: const char *(struct ldb_dn *)
>+ldb_dn_get_parent: struct ldb_dn *(TALLOC_CTX *, struct ldb_dn *)
>+ldb_dn_get_rdn_name: const char *(struct ldb_dn *)
>+ldb_dn_get_rdn_val: const struct ldb_val *(struct ldb_dn *)
>+ldb_dn_has_extended: bool (struct ldb_dn *)
>+ldb_dn_is_null: bool (struct ldb_dn *)
>+ldb_dn_is_special: bool (struct ldb_dn *)
>+ldb_dn_is_valid: bool (struct ldb_dn *)
>+ldb_dn_map_local: struct ldb_dn *(struct ldb_module *, void *, struct ldb_dn *)
>+ldb_dn_map_rebase_remote: struct ldb_dn *(struct ldb_module *, void *, struct ldb_dn *)
>+ldb_dn_map_remote: struct ldb_dn *(struct ldb_module *, void *, struct ldb_dn *)
>+ldb_dn_minimise: bool (struct ldb_dn *)
>+ldb_dn_new: struct ldb_dn *(TALLOC_CTX *, struct ldb_context *, const char *)
>+ldb_dn_new_fmt: struct ldb_dn *(TALLOC_CTX *, struct ldb_context *, const char *, ...)
>+ldb_dn_remove_base_components: bool (struct ldb_dn *, unsigned int)
>+ldb_dn_remove_child_components: bool (struct ldb_dn *, unsigned int)
>+ldb_dn_remove_extended_components: void (struct ldb_dn *)
>+ldb_dn_replace_components: bool (struct ldb_dn *, struct ldb_dn *)
>+ldb_dn_set_component: int (struct ldb_dn *, int, const char *, const struct ldb_val)
>+ldb_dn_set_extended_component: int (struct ldb_dn *, const char *, const struct ldb_val *)
>+ldb_dn_update_components: int (struct ldb_dn *, const struct ldb_dn *)
>+ldb_dn_validate: bool (struct ldb_dn *)
>+ldb_dump_results: void (struct ldb_context *, struct ldb_result *, FILE *)
>+ldb_error_at: int (struct ldb_context *, int, const char *, const char *, int)
>+ldb_errstring: const char *(struct ldb_context *)
>+ldb_extended: int (struct ldb_context *, const char *, void *, struct ldb_result **)
>+ldb_extended_default_callback: int (struct ldb_request *, struct ldb_reply *)
>+ldb_filter_from_tree: char *(TALLOC_CTX *, const struct ldb_parse_tree *)
>+ldb_get_config_basedn: struct ldb_dn *(struct ldb_context *)
>+ldb_get_create_perms: unsigned int (struct ldb_context *)
>+ldb_get_default_basedn: struct ldb_dn *(struct ldb_context *)
>+ldb_get_event_context: struct tevent_context *(struct ldb_context *)
>+ldb_get_flags: unsigned int (struct ldb_context *)
>+ldb_get_opaque: void *(struct ldb_context *, const char *)
>+ldb_get_root_basedn: struct ldb_dn *(struct ldb_context *)
>+ldb_get_schema_basedn: struct ldb_dn *(struct ldb_context *)
>+ldb_global_init: int (void)
>+ldb_handle_get_event_context: struct tevent_context *(struct ldb_handle *)
>+ldb_handle_new: struct ldb_handle *(TALLOC_CTX *, struct ldb_context *)
>+ldb_handle_use_global_event_context: void (struct ldb_handle *)
>+ldb_handler_copy: int (struct ldb_context *, void *, const struct ldb_val *, struct ldb_val *)
>+ldb_handler_fold: int (struct ldb_context *, void *, const struct ldb_val *, struct ldb_val *)
>+ldb_init: struct ldb_context *(TALLOC_CTX *, struct tevent_context *)
>+ldb_ldif_message_redacted_string: char *(struct ldb_context *, TALLOC_CTX *, enum ldb_changetype, const struct ldb_message *)
>+ldb_ldif_message_string: char *(struct ldb_context *, TALLOC_CTX *, enum ldb_changetype, const struct ldb_message *)
>+ldb_ldif_parse_modrdn: int (struct ldb_context *, const struct ldb_ldif *, TALLOC_CTX *, struct ldb_dn **, struct ldb_dn **, bool *, struct ldb_dn **, struct ldb_dn **)
>+ldb_ldif_read: struct ldb_ldif *(struct ldb_context *, int (*)(void *), void *)
>+ldb_ldif_read_file: struct ldb_ldif *(struct ldb_context *, FILE *)
>+ldb_ldif_read_file_state: struct ldb_ldif *(struct ldb_context *, struct ldif_read_file_state *)
>+ldb_ldif_read_free: void (struct ldb_context *, struct ldb_ldif *)
>+ldb_ldif_read_string: struct ldb_ldif *(struct ldb_context *, const char **)
>+ldb_ldif_write: int (struct ldb_context *, int (*)(void *, const char *, ...), void *, const struct ldb_ldif *)
>+ldb_ldif_write_file: int (struct ldb_context *, FILE *, const struct ldb_ldif *)
>+ldb_ldif_write_redacted_trace_string: char *(struct ldb_context *, TALLOC_CTX *, const struct ldb_ldif *)
>+ldb_ldif_write_string: char *(struct ldb_context *, TALLOC_CTX *, const struct ldb_ldif *)
>+ldb_load_modules: int (struct ldb_context *, const char **)
>+ldb_map_add: int (struct ldb_module *, struct ldb_request *)
>+ldb_map_delete: int (struct ldb_module *, struct ldb_request *)
>+ldb_map_init: int (struct ldb_module *, const struct ldb_map_attribute *, const struct ldb_map_objectclass *, const char * const *, const char *, const char *)
>+ldb_map_modify: int (struct ldb_module *, struct ldb_request *)
>+ldb_map_rename: int (struct ldb_module *, struct ldb_request *)
>+ldb_map_search: int (struct ldb_module *, struct ldb_request *)
>+ldb_match_message: int (struct ldb_context *, const struct ldb_message *, const struct ldb_parse_tree *, enum ldb_scope, bool *)
>+ldb_match_msg: int (struct ldb_context *, const struct ldb_message *, const struct ldb_parse_tree *, struct ldb_dn *, enum ldb_scope)
>+ldb_match_msg_error: int (struct ldb_context *, const struct ldb_message *, const struct ldb_parse_tree *, struct ldb_dn *, enum ldb_scope, bool *)
>+ldb_match_msg_objectclass: int (const struct ldb_message *, const char *)
>+ldb_mod_register_control: int (struct ldb_module *, const char *)
>+ldb_modify: int (struct ldb_context *, const struct ldb_message *)
>+ldb_modify_default_callback: int (struct ldb_request *, struct ldb_reply *)
>+ldb_module_call_chain: char *(struct ldb_request *, TALLOC_CTX *)
>+ldb_module_connect_backend: int (struct ldb_context *, const char *, const char **, struct ldb_module **)
>+ldb_module_done: int (struct ldb_request *, struct ldb_control **, struct ldb_extended *, int)
>+ldb_module_flags: uint32_t (struct ldb_context *)
>+ldb_module_get_ctx: struct ldb_context *(struct ldb_module *)
>+ldb_module_get_name: const char *(struct ldb_module *)
>+ldb_module_get_ops: const struct ldb_module_ops *(struct ldb_module *)
>+ldb_module_get_private: void *(struct ldb_module *)
>+ldb_module_init_chain: int (struct ldb_context *, struct ldb_module *)
>+ldb_module_load_list: int (struct ldb_context *, const char **, struct ldb_module *, struct ldb_module **)
>+ldb_module_new: struct ldb_module *(TALLOC_CTX *, struct ldb_context *, const char *, const struct ldb_module_ops *)
>+ldb_module_next: struct ldb_module *(struct ldb_module *)
>+ldb_module_popt_options: struct poptOption **(struct ldb_context *)
>+ldb_module_send_entry: int (struct ldb_request *, struct ldb_message *, struct ldb_control **)
>+ldb_module_send_referral: int (struct ldb_request *, char *)
>+ldb_module_set_next: void (struct ldb_module *, struct ldb_module *)
>+ldb_module_set_private: void (struct ldb_module *, void *)
>+ldb_modules_hook: int (struct ldb_context *, enum ldb_module_hook_type)
>+ldb_modules_list_from_string: const char **(struct ldb_context *, TALLOC_CTX *, const char *)
>+ldb_modules_load: int (const char *, const char *)
>+ldb_msg_add: int (struct ldb_message *, const struct ldb_message_element *, int)
>+ldb_msg_add_empty: int (struct ldb_message *, const char *, int, struct ldb_message_element **)
>+ldb_msg_add_fmt: int (struct ldb_message *, const char *, const char *, ...)
>+ldb_msg_add_linearized_dn: int (struct ldb_message *, const char *, struct ldb_dn *)
>+ldb_msg_add_steal_string: int (struct ldb_message *, const char *, char *)
>+ldb_msg_add_steal_value: int (struct ldb_message *, const char *, struct ldb_val *)
>+ldb_msg_add_string: int (struct ldb_message *, const char *, const char *)
>+ldb_msg_add_value: int (struct ldb_message *, const char *, const struct ldb_val *, struct ldb_message_element **)
>+ldb_msg_canonicalize: struct ldb_message *(struct ldb_context *, const struct ldb_message *)
>+ldb_msg_check_string_attribute: int (const struct ldb_message *, const char *, const char *)
>+ldb_msg_copy: struct ldb_message *(TALLOC_CTX *, const struct ldb_message *)
>+ldb_msg_copy_attr: int (struct ldb_message *, const char *, const char *)
>+ldb_msg_copy_shallow: struct ldb_message *(TALLOC_CTX *, const struct ldb_message *)
>+ldb_msg_diff: struct ldb_message *(struct ldb_context *, struct ldb_message *, struct ldb_message *)
>+ldb_msg_difference: int (struct ldb_context *, TALLOC_CTX *, struct ldb_message *, struct ldb_message *, struct ldb_message **)
>+ldb_msg_element_compare: int (struct ldb_message_element *, struct ldb_message_element *)
>+ldb_msg_element_compare_name: int (struct ldb_message_element *, struct ldb_message_element *)
>+ldb_msg_element_equal_ordered: bool (const struct ldb_message_element *, const struct ldb_message_element *)
>+ldb_msg_find_attr_as_bool: int (const struct ldb_message *, const char *, int)
>+ldb_msg_find_attr_as_dn: struct ldb_dn *(struct ldb_context *, TALLOC_CTX *, const struct ldb_message *, const char *)
>+ldb_msg_find_attr_as_double: double (const struct ldb_message *, const char *, double)
>+ldb_msg_find_attr_as_int: int (const struct ldb_message *, const char *, int)
>+ldb_msg_find_attr_as_int64: int64_t (const struct ldb_message *, const char *, int64_t)
>+ldb_msg_find_attr_as_string: const char *(const struct ldb_message *, const char *, const char *)
>+ldb_msg_find_attr_as_uint: unsigned int (const struct ldb_message *, const char *, unsigned int)
>+ldb_msg_find_attr_as_uint64: uint64_t (const struct ldb_message *, const char *, uint64_t)
>+ldb_msg_find_common_values: int (struct ldb_context *, TALLOC_CTX *, struct ldb_message_element *, struct ldb_message_element *, uint32_t)
>+ldb_msg_find_duplicate_val: int (struct ldb_context *, TALLOC_CTX *, const struct ldb_message_element *, struct ldb_val **, uint32_t)
>+ldb_msg_find_element: struct ldb_message_element *(const struct ldb_message *, const char *)
>+ldb_msg_find_ldb_val: const struct ldb_val *(const struct ldb_message *, const char *)
>+ldb_msg_find_val: struct ldb_val *(const struct ldb_message_element *, struct ldb_val *)
>+ldb_msg_new: struct ldb_message *(TALLOC_CTX *)
>+ldb_msg_normalize: int (struct ldb_context *, TALLOC_CTX *, const struct ldb_message *, struct ldb_message **)
>+ldb_msg_remove_attr: void (struct ldb_message *, const char *)
>+ldb_msg_remove_element: void (struct ldb_message *, struct ldb_message_element *)
>+ldb_msg_rename_attr: int (struct ldb_message *, const char *, const char *)
>+ldb_msg_sanity_check: int (struct ldb_context *, const struct ldb_message *)
>+ldb_msg_sort_elements: void (struct ldb_message *)
>+ldb_next_del_trans: int (struct ldb_module *)
>+ldb_next_end_trans: int (struct ldb_module *)
>+ldb_next_init: int (struct ldb_module *)
>+ldb_next_prepare_commit: int (struct ldb_module *)
>+ldb_next_read_lock: int (struct ldb_module *)
>+ldb_next_read_unlock: int (struct ldb_module *)
>+ldb_next_remote_request: int (struct ldb_module *, struct ldb_request *)
>+ldb_next_request: int (struct ldb_module *, struct ldb_request *)
>+ldb_next_start_trans: int (struct ldb_module *)
>+ldb_op_default_callback: int (struct ldb_request *, struct ldb_reply *)
>+ldb_options_find: const char *(struct ldb_context *, const char **, const char *)
>+ldb_pack_data: int (struct ldb_context *, const struct ldb_message *, struct ldb_val *)
>+ldb_parse_control_from_string: struct ldb_control *(struct ldb_context *, TALLOC_CTX *, const char *)
>+ldb_parse_control_strings: struct ldb_control **(struct ldb_context *, TALLOC_CTX *, const char **)
>+ldb_parse_tree: struct ldb_parse_tree *(TALLOC_CTX *, const char *)
>+ldb_parse_tree_attr_replace: void (struct ldb_parse_tree *, const char *, const char *)
>+ldb_parse_tree_copy_shallow: struct ldb_parse_tree *(TALLOC_CTX *, const struct ldb_parse_tree *)
>+ldb_parse_tree_walk: int (struct ldb_parse_tree *, int (*)(struct ldb_parse_tree *, void *), void *)
>+ldb_qsort: void (void * const, size_t, size_t, void *, ldb_qsort_cmp_fn_t)
>+ldb_register_backend: int (const char *, ldb_connect_fn, bool)
>+ldb_register_extended_match_rule: int (struct ldb_context *, const struct ldb_extended_match_rule *)
>+ldb_register_hook: int (ldb_hook_fn)
>+ldb_register_module: int (const struct ldb_module_ops *)
>+ldb_rename: int (struct ldb_context *, struct ldb_dn *, struct ldb_dn *)
>+ldb_reply_add_control: int (struct ldb_reply *, const char *, bool, void *)
>+ldb_reply_get_control: struct ldb_control *(struct ldb_reply *, const char *)
>+ldb_req_get_custom_flags: uint32_t (struct ldb_request *)
>+ldb_req_is_untrusted: bool (struct ldb_request *)
>+ldb_req_location: const char *(struct ldb_request *)
>+ldb_req_mark_trusted: void (struct ldb_request *)
>+ldb_req_mark_untrusted: void (struct ldb_request *)
>+ldb_req_set_custom_flags: void (struct ldb_request *, uint32_t)
>+ldb_req_set_location: void (struct ldb_request *, const char *)
>+ldb_request: int (struct ldb_context *, struct ldb_request *)
>+ldb_request_add_control: int (struct ldb_request *, const char *, bool, void *)
>+ldb_request_done: int (struct ldb_request *, int)
>+ldb_request_get_control: struct ldb_control *(struct ldb_request *, const char *)
>+ldb_request_get_status: int (struct ldb_request *)
>+ldb_request_replace_control: int (struct ldb_request *, const char *, bool, void *)
>+ldb_request_set_state: void (struct ldb_request *, int)
>+ldb_reset_err_string: void (struct ldb_context *)
>+ldb_save_controls: int (struct ldb_control *, struct ldb_request *, struct ldb_control ***)
>+ldb_schema_attribute_add: int (struct ldb_context *, const char *, unsigned int, const char *)
>+ldb_schema_attribute_add_with_syntax: int (struct ldb_context *, const char *, unsigned int, const struct ldb_schema_syntax *)
>+ldb_schema_attribute_by_name: const struct ldb_schema_attribute *(struct ldb_context *, const char *)
>+ldb_schema_attribute_fill_with_syntax: int (struct ldb_context *, TALLOC_CTX *, const char *, unsigned int, const struct ldb_schema_syntax *, struct ldb_schema_attribute *)
>+ldb_schema_attribute_remove: void (struct ldb_context *, const char *)
>+ldb_schema_attribute_remove_flagged: void (struct ldb_context *, unsigned int)
>+ldb_schema_attribute_set_override_handler: void (struct ldb_context *, ldb_attribute_handler_override_fn_t, void *)
>+ldb_schema_set_override_GUID_index: void (struct ldb_context *, const char *, const char *)
>+ldb_schema_set_override_indexlist: void (struct ldb_context *, bool)
>+ldb_search: int (struct ldb_context *, TALLOC_CTX *, struct ldb_result **, struct ldb_dn *, enum ldb_scope, const char * const *, const char *, ...)
>+ldb_search_default_callback: int (struct ldb_request *, struct ldb_reply *)
>+ldb_sequence_number: int (struct ldb_context *, enum ldb_sequence_type, uint64_t *)
>+ldb_set_create_perms: void (struct ldb_context *, unsigned int)
>+ldb_set_debug: int (struct ldb_context *, void (*)(void *, enum ldb_debug_level, const char *, va_list), void *)
>+ldb_set_debug_stderr: int (struct ldb_context *)
>+ldb_set_default_dns: void (struct ldb_context *)
>+ldb_set_errstring: void (struct ldb_context *, const char *)
>+ldb_set_event_context: void (struct ldb_context *, struct tevent_context *)
>+ldb_set_flags: void (struct ldb_context *, unsigned int)
>+ldb_set_modules_dir: void (struct ldb_context *, const char *)
>+ldb_set_opaque: int (struct ldb_context *, const char *, void *)
>+ldb_set_require_private_event_context: void (struct ldb_context *)
>+ldb_set_timeout: int (struct ldb_context *, struct ldb_request *, int)
>+ldb_set_timeout_from_prev_req: int (struct ldb_context *, struct ldb_request *, struct ldb_request *)
>+ldb_set_utf8_default: void (struct ldb_context *)
>+ldb_set_utf8_fns: void (struct ldb_context *, void *, char *(*)(void *, void *, const char *, size_t))
>+ldb_setup_wellknown_attributes: int (struct ldb_context *)
>+ldb_should_b64_encode: int (struct ldb_context *, const struct ldb_val *)
>+ldb_standard_syntax_by_name: const struct ldb_schema_syntax *(struct ldb_context *, const char *)
>+ldb_strerror: const char *(int)
>+ldb_string_to_time: time_t (const char *)
>+ldb_string_utc_to_time: time_t (const char *)
>+ldb_timestring: char *(TALLOC_CTX *, time_t)
>+ldb_timestring_utc: char *(TALLOC_CTX *, time_t)
>+ldb_transaction_cancel: int (struct ldb_context *)
>+ldb_transaction_cancel_noerr: int (struct ldb_context *)
>+ldb_transaction_commit: int (struct ldb_context *)
>+ldb_transaction_prepare_commit: int (struct ldb_context *)
>+ldb_transaction_start: int (struct ldb_context *)
>+ldb_unpack_data: int (struct ldb_context *, const struct ldb_val *, struct ldb_message *)
>+ldb_unpack_data_only_attr_list: int (struct ldb_context *, const struct ldb_val *, struct ldb_message *, const char * const *, unsigned int, unsigned int *)
>+ldb_unpack_data_only_attr_list_flags: int (struct ldb_context *, const struct ldb_val *, struct ldb_message *, const char * const *, unsigned int, unsigned int, unsigned int *)
>+ldb_unpack_get_format: int (const struct ldb_val *, uint32_t *)
>+ldb_val_dup: struct ldb_val (TALLOC_CTX *, const struct ldb_val *)
>+ldb_val_equal_exact: int (const struct ldb_val *, const struct ldb_val *)
>+ldb_val_map_local: struct ldb_val (struct ldb_module *, void *, const struct ldb_map_attribute *, const struct ldb_val *)
>+ldb_val_map_remote: struct ldb_val (struct ldb_module *, void *, const struct ldb_map_attribute *, const struct ldb_val *)
>+ldb_val_string_cmp: int (const struct ldb_val *, const char *)
>+ldb_val_to_time: int (const struct ldb_val *, time_t *)
>+ldb_valid_attr_name: int (const char *)
>+ldb_vdebug: void (struct ldb_context *, enum ldb_debug_level, const char *, va_list)
>+ldb_wait: int (struct ldb_handle *, enum ldb_wait_type)
>diff --git a/lib/ldb/ABI/pyldb-util-1.5.6.sigs b/lib/ldb/ABI/pyldb-util-1.5.6.sigs
>new file mode 100644
>index 0000000..74d6719
>--- /dev/null
>+++ b/lib/ldb/ABI/pyldb-util-1.5.6.sigs
>@@ -0,0 +1,2 @@
>+pyldb_Dn_FromDn: PyObject *(struct ldb_dn *)
>+pyldb_Object_AsDn: bool (TALLOC_CTX *, PyObject *, struct ldb_context *, struct ldb_dn **)
>diff --git a/lib/ldb/ABI/pyldb-util.py3-1.5.6.sigs b/lib/ldb/ABI/pyldb-util.py3-1.5.6.sigs
>new file mode 100644
>index 0000000..74d6719
>--- /dev/null
>+++ b/lib/ldb/ABI/pyldb-util.py3-1.5.6.sigs
>@@ -0,0 +1,2 @@
>+pyldb_Dn_FromDn: PyObject *(struct ldb_dn *)
>+pyldb_Object_AsDn: bool (TALLOC_CTX *, PyObject *, struct ldb_context *, struct ldb_dn **)
>diff --git a/lib/ldb/wscript b/lib/ldb/wscript
>index f8eabbf..92975b9 100644
>--- a/lib/ldb/wscript
>+++ b/lib/ldb/wscript
>@@ -1,7 +1,7 @@
> #!/usr/bin/env python
> 
> APPNAME = 'ldb'
>-VERSION = '1.5.5'
>+VERSION = '1.5.6'
> 
> import sys, os
> 
>-- 
>2.7.4
>

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