[PATCH] Fix linking of vfstest and smbd with latest gold linker

Jeremy Allison jra at samba.org
Thu Nov 17 17:24:37 UTC 2016


On Thu, Nov 17, 2016 at 04:39:32PM +0100, Andreas Schneider wrote:
> On Thursday, 17 November 2016 10:51:51 CET Volker Lendecke wrote:
> > On Thu, Nov 17, 2016 at 10:23:34AM +0100, Andreas Schneider wrote:
> > > make test TESTS="samba4.rpc.lsa.secrets" SAMBA_OPTIONS=-d9
> > > 
> > > All tests pass
> > > 
> > > This is really bizarre. Race condition?
> > 
> > Indeed. Sorry, but I am too busy right now to dig into it.
> > 
> > Volker
> 
> I've looked into the issue with the test I was able to reproduce here. The fix 
> is in the attached fix_lsa_session_key.patch. (random() is not random enough 
> :-)).
> 
> Please take a look and push it if you're fine with it. I would just push that 
> patchset alone first.

Oh good catch ! Thanks Andreas. I'll push the lsa fix first
and if that gets through the other queued up patches.

> Then the gold.patch and see what happens ...
> 
> 
> 	Andreas
> 
> -- 
> Andreas Schneider                   GPG-ID: CC014E3D
> Samba Team                             asn at samba.org
> www.samba.org

> From dae8485a425cc13bfa2848dc42ef67898206a3f7 Mon Sep 17 00:00:00 2001
> From: Andreas Schneider <asn at samba.org>
> Date: Thu, 17 Nov 2016 15:35:47 +0100
> Subject: [PATCH 1/3] s4:torture: Strip trailing whitespaces in session_key.c
> 
> BUG: https://bugzilla.samba.org/show_bug.cgi?id=12433
> 
> Signed-off-by: Andreas Schneider <asn at samba.org>
> Reviewed-by: Guenther Deschner <gd at samba.org>
> ---
>  source4/torture/rpc/session_key.c | 58 +++++++++++++++++++--------------------
>  1 file changed, 29 insertions(+), 29 deletions(-)
> 
> diff --git a/source4/torture/rpc/session_key.c b/source4/torture/rpc/session_key.c
> index 11f6a0b..b460036 100644
> --- a/source4/torture/rpc/session_key.c
> +++ b/source4/torture/rpc/session_key.c
> @@ -1,20 +1,20 @@
> -/* 
> +/*
>     Unix SMB/CIFS implementation.
>     test suite for lsa rpc operations
>  
>     Copyright (C) Andrew Tridgell 2003
>     Copyright (C) Andrew Bartlett <abartlet at samba.org> 2004-2005
> -   
> +
>     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/>.
>  */
> @@ -32,7 +32,7 @@ static void init_lsa_String(struct lsa_String *name, const char *s)
>  	name->string = s;
>  }
>  
> -static bool test_CreateSecret_basic(struct dcerpc_pipe *p, 
> +static bool test_CreateSecret_basic(struct dcerpc_pipe *p,
>  				    struct torture_context *tctx,
>  				    struct policy_handle *handle)
>  {
> @@ -56,66 +56,66 @@ static bool test_CreateSecret_basic(struct dcerpc_pipe *p,
>  	secname = talloc_asprintf(tctx, "torturesecret-%u", (unsigned int)random());
>  
>  	torture_comment(tctx, "Testing CreateSecret of %s\n", secname);
> -		
> +
>  	init_lsa_String(&r.in.name, secname);
> -	
> +
>  	r.in.handle = handle;
>  	r.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
>  	r.out.sec_handle = &sec_handle;
> -	
> +
>  	torture_assert_ntstatus_ok(tctx, dcerpc_lsa_CreateSecret_r(b, tctx, &r),
>  		"CreateSecret failed");
>  	torture_assert_ntstatus_ok(tctx, r.out.result, "CreateSecret failed");
> -	
> +
>  	status = dcerpc_fetch_session_key(p, &session_key);
>  	torture_assert_ntstatus_ok(tctx, status, "dcerpc_fetch_session_key failed");
> -	
> +
>  	enc_key = sess_encrypt_string(secret1, &session_key);
> -	
> +
>  	r3.in.sec_handle = &sec_handle;
>  	r3.in.new_val = &buf1;
>  	r3.in.old_val = NULL;
>  	r3.in.new_val->data = enc_key.data;
>  	r3.in.new_val->length = enc_key.length;
>  	r3.in.new_val->size = enc_key.length;
> -	
> +
>  	torture_comment(tctx, "Testing SetSecret\n");
> -	
> +
>  	torture_assert_ntstatus_ok(tctx, dcerpc_lsa_SetSecret_r(b, tctx, &r3),
>  		"SetSecret failed");
>  	torture_assert_ntstatus_ok(tctx, r3.out.result, "SetSecret failed");
> -		
> +
>  	r3.in.sec_handle = &sec_handle;
>  	r3.in.new_val = &buf1;
>  	r3.in.old_val = NULL;
>  	r3.in.new_val->data = enc_key.data;
>  	r3.in.new_val->length = enc_key.length;
>  	r3.in.new_val->size = enc_key.length;
> -	
> +
>  	/* break the encrypted data */
>  	enc_key.data[0]++;
> -	
> +
>  	torture_comment(tctx, "Testing SetSecret with broken key\n");
> -	
> +
>  	torture_assert_ntstatus_ok(tctx, dcerpc_lsa_SetSecret_r(b, tctx, &r3),
>  		"SetSecret failed");
>  	torture_assert_ntstatus_equal(tctx, r3.out.result, NT_STATUS_UNKNOWN_REVISION,
>  		"SetSecret should have failed UNKNOWN_REVISION");
> -	
> +
>  	data_blob_free(&enc_key);
> -	
> +
>  	ZERO_STRUCT(new_mtime);
>  	ZERO_STRUCT(old_mtime);
> -	
> +
>  	/* fetch the secret back again */
>  	r4.in.sec_handle = &sec_handle;
>  	r4.in.new_val = &bufp1;
>  	r4.in.new_mtime = &new_mtime;
>  	r4.in.old_val = NULL;
>  	r4.in.old_mtime = NULL;
> -	
> +
>  	bufp1.buf = NULL;
> -	
> +
>  	torture_comment(tctx, "Testing QuerySecret\n");
>  	torture_assert_ntstatus_ok(tctx, dcerpc_lsa_QuerySecret_r(b, tctx, &r4),
>  		"QuerySecret failed");
> @@ -126,7 +126,7 @@ static bool test_CreateSecret_basic(struct dcerpc_pipe *p,
>  	blob1.length = r4.out.new_val->buf->size;
>  
>  	secret2 = sess_decrypt_string(tctx, &blob1, &session_key);
> -	
> +
>  	torture_assert_str_equal(tctx, secret1, secret2, "Returned secret invalid");
>  
>  	d.in.handle = &sec_handle;
> @@ -149,7 +149,7 @@ static bool test_secrets(struct torture_context *torture, const void *_data)
>          struct dcerpc_pipe *p;
>  	struct policy_handle *handle;
>  	struct dcerpc_binding *binding;
> -	const struct secret_settings *settings = 
> +	const struct secret_settings *settings =
>  		(const struct secret_settings *)_data;
>  	NTSTATUS status;
>  	struct dcerpc_binding_handle *b;
> @@ -158,7 +158,7 @@ static bool test_secrets(struct torture_context *torture, const void *_data)
>  	lpcfg_set_cmdline(torture->lp_ctx, "ntlmssp_client:ntlm2", settings->ntlm2?"True":"False");
>  	lpcfg_set_cmdline(torture->lp_ctx, "ntlmssp_client:lm_key", settings->lm_key?"True":"False");
>  
> -	torture_assert_ntstatus_ok(torture, torture_rpc_binding(torture, &binding), 
> +	torture_assert_ntstatus_ok(torture, torture_rpc_binding(torture, &binding),
>  				   "Getting bindoptions");
>  
>  	status = dcerpc_binding_set_flags(binding, settings->bindoptions, 0);
> @@ -179,7 +179,7 @@ static bool test_secrets(struct torture_context *torture, const void *_data)
>  	}
>  
>  	torture_assert(torture, handle, "OpenPolicy2 failed.  This test cannot run against this server");
> -	
> +
>  	if (!test_CreateSecret_basic(p, torture, handle)) {
>  		talloc_free(p);
>  		return false;
> @@ -190,7 +190,7 @@ static bool test_secrets(struct torture_context *torture, const void *_data)
>  	return true;
>  }
>  
> -static struct torture_tcase *add_test(struct torture_suite *suite, uint32_t bindoptions, 
> +static struct torture_tcase *add_test(struct torture_suite *suite, uint32_t bindoptions,
>  				     bool keyexchange, bool ntlm2, bool lm_key)
>  {
>  	char *name = NULL;
> @@ -203,7 +203,7 @@ static struct torture_tcase *add_test(struct torture_suite *suite, uint32_t bind
>  		name = talloc_strdup(suite, "bigendian");
>  	else if (bindoptions == DCERPC_SEAL)
>  		name = talloc_strdup(suite, "seal");
> -	else if (bindoptions == 0) 
> +	else if (bindoptions == 0)
>  		name = talloc_strdup(suite, "none");
>  	else
>  		name = talloc_strdup(suite, "unknown");
> @@ -232,7 +232,7 @@ struct torture_suite *torture_rpc_lsa_secrets(TALLOC_CTX *mem_ctx)
>  	for (keyexchange = 0; keyexchange < ARRAY_SIZE(bool_vals); keyexchange++) {
>  		for (ntlm2 = 0; ntlm2 < ARRAY_SIZE(bool_vals); ntlm2++) {
>  			for (lm_key = 0; lm_key < ARRAY_SIZE(bool_vals); lm_key++) {
> -				add_test(suite, DCERPC_PUSH_BIGENDIAN, bool_vals[keyexchange], bool_vals[ntlm2], 
> +				add_test(suite, DCERPC_PUSH_BIGENDIAN, bool_vals[keyexchange], bool_vals[ntlm2],
>  					 bool_vals[lm_key]);
>  				add_test(suite, DCERPC_SEAL, bool_vals[keyexchange], bool_vals[ntlm2], bool_vals[lm_key]);
>  				add_test(suite, 0, bool_vals[keyexchange], bool_vals[ntlm2], bool_vals[lm_key]);
> -- 
> 2.10.2
> 
> 
> From 6c2ae64c61a78c79fc3e7232fcdba7ce0de39bb7 Mon Sep 17 00:00:00 2001
> From: Andreas Schneider <asn at samba.org>
> Date: Thu, 17 Nov 2016 15:44:13 +0100
> Subject: [PATCH 2/3] s4:torture: Normalizes names in session_key test
> 
> BUG: https://bugzilla.samba.org/show_bug.cgi?id=12433
> 
> Signed-off-by: Andreas Schneider <asn at samba.org>
> Reviewed-by: Guenther Deschner <gd at samba.org>
> ---
>  source4/torture/rpc/session_key.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/source4/torture/rpc/session_key.c b/source4/torture/rpc/session_key.c
> index b460036..7ddc339 100644
> --- a/source4/torture/rpc/session_key.c
> +++ b/source4/torture/rpc/session_key.c
> @@ -53,7 +53,7 @@ static bool test_CreateSecret_basic(struct dcerpc_pipe *p,
>  	char *secname;
>  	struct dcerpc_binding_handle *b = p->binding_handle;
>  
> -	secname = talloc_asprintf(tctx, "torturesecret-%u", (unsigned int)random());
> +	secname = talloc_asprintf(tctx, "torturesecret-%08x", (unsigned int)random());
>  
>  	torture_comment(tctx, "Testing CreateSecret of %s\n", secname);
>  
> -- 
> 2.10.2
> 
> 
> From 62c0a1e6b13358343daec28b89a710295d7ffca7 Mon Sep 17 00:00:00 2001
> From: Andreas Schneider <asn at samba.org>
> Date: Thu, 17 Nov 2016 16:15:54 +0100
> Subject: [PATCH 3/3] s4:torture: Fix cleanup of the secrets object in
>  session_key test
> 
> BUG: https://bugzilla.samba.org/show_bug.cgi?id=12433
> 
> The test is known to be failing if sealing is turned on in some
> circumstances. In this case a secret is created and then the function
> dcerpc_fetch_session_key() fails. The secret is not removed!
> 
> We use torturesecret-%08x with random() to fill in the number. Sometimes
> it happens that random() returns a number we already used. So we end up
> trying to create a secret for an entry which already exists and run
> into a collision
> 
> This change makes sure we always cleanup behind us and do not leave
> secret objects we created.
> 
> Pair-Programmed-With: Guenther Deschner <gd at samba.org>
> Signed-off-by: Andreas Schneider <asn at samba.org>
> Signed-off-by: Guenther Deschner <gd at samba.org>
> ---
>  source4/torture/rpc/session_key.c | 40 ++++++++++++++++++++++-----------------
>  1 file changed, 23 insertions(+), 17 deletions(-)
> 
> diff --git a/source4/torture/rpc/session_key.c b/source4/torture/rpc/session_key.c
> index 7ddc339..3b7ba1f 100644
> --- a/source4/torture/rpc/session_key.c
> +++ b/source4/torture/rpc/session_key.c
> @@ -34,14 +34,13 @@ static void init_lsa_String(struct lsa_String *name, const char *s)
>  
>  static bool test_CreateSecret_basic(struct dcerpc_pipe *p,
>  				    struct torture_context *tctx,
> -				    struct policy_handle *handle)
> +				    struct policy_handle *handle,
> +				    struct policy_handle *sec_handle)
>  {
>  	NTSTATUS status;
>  	struct lsa_CreateSecret r;
>  	struct lsa_SetSecret r3;
>  	struct lsa_QuerySecret r4;
> -	struct policy_handle sec_handle;
> -	struct lsa_DeleteObject d;
>  	struct lsa_DATA_BUF buf1;
>  	struct lsa_DATA_BUF_PTR bufp1;
>  	DATA_BLOB enc_key;
> @@ -61,7 +60,7 @@ static bool test_CreateSecret_basic(struct dcerpc_pipe *p,
>  
>  	r.in.handle = handle;
>  	r.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
> -	r.out.sec_handle = &sec_handle;
> +	r.out.sec_handle = sec_handle;
>  
>  	torture_assert_ntstatus_ok(tctx, dcerpc_lsa_CreateSecret_r(b, tctx, &r),
>  		"CreateSecret failed");
> @@ -72,7 +71,7 @@ static bool test_CreateSecret_basic(struct dcerpc_pipe *p,
>  
>  	enc_key = sess_encrypt_string(secret1, &session_key);
>  
> -	r3.in.sec_handle = &sec_handle;
> +	r3.in.sec_handle = sec_handle;
>  	r3.in.new_val = &buf1;
>  	r3.in.old_val = NULL;
>  	r3.in.new_val->data = enc_key.data;
> @@ -85,7 +84,7 @@ static bool test_CreateSecret_basic(struct dcerpc_pipe *p,
>  		"SetSecret failed");
>  	torture_assert_ntstatus_ok(tctx, r3.out.result, "SetSecret failed");
>  
> -	r3.in.sec_handle = &sec_handle;
> +	r3.in.sec_handle = sec_handle;
>  	r3.in.new_val = &buf1;
>  	r3.in.old_val = NULL;
>  	r3.in.new_val->data = enc_key.data;
> @@ -108,7 +107,7 @@ static bool test_CreateSecret_basic(struct dcerpc_pipe *p,
>  	ZERO_STRUCT(old_mtime);
>  
>  	/* fetch the secret back again */
> -	r4.in.sec_handle = &sec_handle;
> +	r4.in.sec_handle = sec_handle;
>  	r4.in.new_val = &bufp1;
>  	r4.in.new_mtime = &new_mtime;
>  	r4.in.old_val = NULL;
> @@ -129,11 +128,6 @@ static bool test_CreateSecret_basic(struct dcerpc_pipe *p,
>  
>  	torture_assert_str_equal(tctx, secret1, secret2, "Returned secret invalid");
>  
> -	d.in.handle = &sec_handle;
> -	d.out.handle = &sec_handle;
> -	torture_assert_ntstatus_ok(tctx, dcerpc_lsa_DeleteObject_r(b, tctx, &d),
> -		"DeleteObject failed");
> -	torture_assert_ntstatus_ok(tctx, d.out.result, "delete should have returned OKINVALID_HANDLE");
>  	return true;
>  }
>  
> @@ -153,6 +147,8 @@ static bool test_secrets(struct torture_context *torture, const void *_data)
>  		(const struct secret_settings *)_data;
>  	NTSTATUS status;
>  	struct dcerpc_binding_handle *b;
> +	struct policy_handle sec_handle = {0};
> +	bool ok;
>  
>  	lpcfg_set_cmdline(torture->lp_ctx, "ntlmssp client:keyexchange", settings->keyexchange?"True":"False");
>  	lpcfg_set_cmdline(torture->lp_ctx, "ntlmssp_client:ntlm2", settings->ntlm2?"True":"False");
> @@ -180,14 +176,24 @@ static bool test_secrets(struct torture_context *torture, const void *_data)
>  
>  	torture_assert(torture, handle, "OpenPolicy2 failed.  This test cannot run against this server");
>  
> -	if (!test_CreateSecret_basic(p, torture, handle)) {
> -		talloc_free(p);
> -		return false;
> +	ok = test_CreateSecret_basic(p, torture, handle, &sec_handle);
> +
> +	if (is_valid_policy_hnd(&sec_handle)) {
> +		struct lsa_DeleteObject d;
> +
> +		d.in.handle = &sec_handle;
> +		d.out.handle = &sec_handle;
> +
> +		status = dcerpc_lsa_DeleteObject_r(b, torture, &d);
> +		if (!NT_STATUS_IS_OK(status) ||
> +		    !NT_STATUS_IS_OK(d.out.result)) {
> +			torture_warning(torture,
> +					"Failed to delete secrets object");
> +		}
>  	}
>  
>  	talloc_free(p);
> -
> -	return true;
> +	return ok;
>  }
>  
>  static struct torture_tcase *add_test(struct torture_suite *suite, uint32_t bindoptions,
> -- 
> 2.10.2
> 

> From a4b6cf912129d630d030c8fc344c052b49eaa3ad Mon Sep 17 00:00:00 2001
> From: Andreas Schneider <asn at samba.org>
> Date: Wed, 16 Nov 2016 10:17:46 +0100
> Subject: [PATCH 1/3] s3:waf: Add missing param dependency to vfstest
> 
> Detected by gold linker version 2.27.
> 
> BUG: https://bugzilla.samba.org/show_bug.cgi?id=12432
> 
> Signed-off-by: Andreas Schneider <asn at samba.org>
> Reviewed-by: Volker Lendecke <vl at samba.org>
> ---
>  source3/wscript_build | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/source3/wscript_build b/source3/wscript_build
> index d6d2be2..d04c1cc 100755
> --- a/source3/wscript_build
> +++ b/source3/wscript_build
> @@ -1041,6 +1041,7 @@ bld.SAMBA3_BINARY('vfstest',
>                   torture/vfstest.c
>                   torture/vfstest_chain.c''',
>                   deps='''
> +                 param
>                   vfs
>                   popt_samba3
>                   SMBREADLINE''',
> -- 
> 2.10.2
> 
> 
> From e8377965e1f2796aa6bd810aa86b0c036af732dd Mon Sep 17 00:00:00 2001
> From: Andreas Schneider <asn at samba.org>
> Date: Wed, 16 Nov 2016 10:19:16 +0100
> Subject: [PATCH 2/3] s3:waf: Add missing param depencency to smbd
> 
> Detected by gold linker version 2.27.
> 
> BUG: https://bugzilla.samba.org/show_bug.cgi?id=12432
> 
> Signed-off-by: Andreas Schneider <asn at samba.org>
> Reviewed-by: Volker Lendecke <vl at samba.org>
> ---
>  source3/wscript_build | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/source3/wscript_build b/source3/wscript_build
> index d04c1cc..9d29cee 100755
> --- a/source3/wscript_build
> +++ b/source3/wscript_build
> @@ -867,6 +867,7 @@ bld.SAMBA3_SUBSYSTEM('SPOOLSSD',
>  bld.SAMBA3_BINARY('smbd/smbd',
>                   source='smbd/server.c smbd/smbd_cleanupd.c',
>                   deps='''
> +                      param
>                        smbd_base
>                        EPMD
>                        LSASD
> -- 
> 2.10.2
> 
> 
> From 419a02d054e54dd53f80f3236fa75a2d49dad447 Mon Sep 17 00:00:00 2001
> From: Andreas Schneider <asn at samba.org>
> Date: Thu, 17 Nov 2016 11:27:41 +0100
> Subject: [PATCH 3/3] s3:waf: Move some dependencies up to smbd
> 
> pysmbd doesn't use talloc tevent and popt directly.
> 
> Signed-off-by: Andreas Schneider <asn at samba.org>
> ---
>  source3/wscript_build | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/source3/wscript_build b/source3/wscript_build
> index 9d29cee..ba400b7 100755
> --- a/source3/wscript_build
> +++ b/source3/wscript_build
> @@ -615,8 +615,6 @@ bld.SAMBA3_LIBRARY('smbd_base',
>                     smbd/notify_msg.c
>                     smbd/build_options.c''' + NOTIFY_SOURCES,
>                     deps='''
> -                   talloc
> -                   tevent
>                     pdb
>                     libsmb
>                     msrpc3
> @@ -624,7 +622,6 @@ bld.SAMBA3_LIBRARY('smbd_base',
>                     vfs_default
>                     vfs_posixacl
>  		   inotify
> -                   popt_samba3
>                     samba3core
>                     smbd_conn
>                     param_service
> @@ -867,6 +864,9 @@ bld.SAMBA3_SUBSYSTEM('SPOOLSSD',
>  bld.SAMBA3_BINARY('smbd/smbd',
>                   source='smbd/server.c smbd/smbd_cleanupd.c',
>                   deps='''
> +                      talloc
> +                      tevent
> +                      popt_samba3
>                        param
>                        smbd_base
>                        EPMD
> -- 
> 2.10.2
> 




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