Attachment 14410 Details for Bug 13553 – backport of additional patches to 4.9

[patch] backport of additional patches to 4.9

cid-patches-4.9-test.patch (text/plain), 5.27 KB, created by Noel Power on 2018-08-13 16:48:56 UTC

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Creator: Noel Power

Created: 2018-08-13 16:48:56 UTC

Size: 5.27 KB

patch

obsolete

>From 5b54ced31678999842f621e0023674dc920e28a9 Mon Sep 17 00:00:00 2001
>From: Volker Lendecke <vl@samba.org>
>Date: Tue, 7 Aug 2018 22:48:58 +0200
>Subject: [PATCH 1/5] smbd: Align integer types
>
>Signed-off-by: Volker Lendecke <vl@samba.org>
>Reviewed-by: Jeremy Allison <jra@samba.org>
>---
> source3/smbd/nttrans.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
>diff --git a/source3/smbd/nttrans.c b/source3/smbd/nttrans.c
>index 5937380fb85..810f8b92b43 100644
>--- a/source3/smbd/nttrans.c
>+++ b/source3/smbd/nttrans.c
>@@ -2301,7 +2301,7 @@ static enum ndr_err_code fill_qtlist_from_sids(TALLOC_CTX *mem_ctx,
> 					       struct dom_sid *sids,
> 					       uint32_t elems)
> {
>-	int i;
>+	uint32_t i;
> 	TALLOC_CTX *list_ctx = NULL;
> 
> 	list_ctx = talloc_init("quota_sid_list");
>-- 
>2.13.7
>
>
>From 60c0a2b384d935e2ef6ffe5d167a423b1b2e7af8 Mon Sep 17 00:00:00 2001
>From: Volker Lendecke <vl@samba.org>
>Date: Tue, 7 Aug 2018 22:49:16 +0200
>Subject: [PATCH 2/5] smbd: Fix CID 1438246 Unchecked return value
>
>Signed-off-by: Volker Lendecke <vl@samba.org>
>Reviewed-by: Jeremy Allison <jra@samba.org>
>---
> source3/smbd/nttrans.c | 11 ++++++++++-
> 1 file changed, 10 insertions(+), 1 deletion(-)
>
>diff --git a/source3/smbd/nttrans.c b/source3/smbd/nttrans.c
>index 810f8b92b43..bad904b9eb8 100644
>--- a/source3/smbd/nttrans.c
>+++ b/source3/smbd/nttrans.c
>@@ -2317,6 +2317,7 @@ static enum ndr_err_code fill_qtlist_from_sids(TALLOC_CTX *mem_ctx,
> 	for (i = 0; i < elems; i++) {
> 		SMB_NTQUOTA_STRUCT qt;
> 		SMB_NTQUOTA_LIST *list_item;
>+		bool ok;
> 
> 		if (!NT_STATUS_IS_OK(vfs_get_ntquota(fsp,
> 						     SMB_USER_QUOTA_TYPE,
>@@ -2333,7 +2334,15 @@ static enum ndr_err_code fill_qtlist_from_sids(TALLOC_CTX *mem_ctx,
> 			return NDR_ERR_ALLOC;
> 		}
> 
>-		sid_to_uid(&sids[i], &list_item->uid);
>+		ok = sid_to_uid(&sids[i], &list_item->uid);
>+		if (!ok) {
>+			char buf[DOM_SID_STR_BUFLEN];
>+			dom_sid_string_buf(&sids[i], buf, sizeof(buf));
>+			DBG_WARNING("Could not convert SID %s to uid\n", buf);
>+			/* No idea what to return here... */
>+			return NDR_ERR_INVALID_POINTER;
>+		}
>+
> 		list_item->quotas = talloc_zero(list_item, SMB_NTQUOTA_STRUCT);
> 		if (list_item->quotas == NULL) {
> 			DBG_ERR("failed to allocate\n");
>-- 
>2.13.7
>
>
>From 01d9be278796e6ce73dd48939118ca492f08445c Mon Sep 17 00:00:00 2001
>From: Volker Lendecke <vl@samba.org>
>Date: Tue, 7 Aug 2018 22:50:52 +0200
>Subject: [PATCH 3/5] smbd: Fix CID 1438245 Dereference before null check
>
>Signed-off-by: Volker Lendecke <vl@samba.org>
>Reviewed-by: Jeremy Allison <jra@samba.org>
>---
> source3/smbd/nttrans.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
>diff --git a/source3/smbd/nttrans.c b/source3/smbd/nttrans.c
>index bad904b9eb8..68470766f77 100644
>--- a/source3/smbd/nttrans.c
>+++ b/source3/smbd/nttrans.c
>@@ -2459,7 +2459,7 @@ static enum ndr_err_code extract_sids_from_buf(TALLOC_CTX *mem_ctx,
> 			}
> 		}
> 		*sids = talloc_zero_array(mem_ctx, struct dom_sid, i);
>-		if (!sids) {
>+		if (*sids == NULL) {
> 			DBG_ERR("OOM\n");
> 			err = NDR_ERR_ALLOC;
> 			goto done;
>-- 
>2.13.7
>
>
>From ee3dd90a76f649b3bec5063cddf9293ed4d5a82c Mon Sep 17 00:00:00 2001
>From: Volker Lendecke <vl@samba.org>
>Date: Wed, 8 Aug 2018 10:08:38 +0200
>Subject: [PATCH 4/5] libsmb: Fix CID 1438244 Unsigned compared against 0
>
>ndr_size_dom_sid returns a size_t, so that can't be <0. Also, the only
>case that ndr_size_dom_sid returns 0 is a NULL sid
>pointer. ndr_size_dom_sid can reasonably be assumed to not overflow, the
>number of sub-auths is a uint8. That times 4 plus 8 always fits into a
>size_t.
>
>Signed-off-by: Volker Lendecke <vl@samba.org>
>Reviewed-by: Jeremy Allison <jra@samba.org>
>---
> source3/libsmb/cli_smb2_fnum.c | 4 ----
> 1 file changed, 4 deletions(-)
>
>diff --git a/source3/libsmb/cli_smb2_fnum.c b/source3/libsmb/cli_smb2_fnum.c
>index 3537932c0d0..74f2f2ec4e4 100644
>--- a/source3/libsmb/cli_smb2_fnum.c
>+++ b/source3/libsmb/cli_smb2_fnum.c
>@@ -2943,10 +2943,6 @@ NTSTATUS cli_smb2_get_user_quota(struct cli_state *cli,
> 	sid_len = ndr_size_dom_sid(&pqt->sid, 0);
> 
> 	query.return_single = 1;
>-	if (sid_len < 0) {
>-		status = NT_STATUS_INVALID_PARAMETER;
>-		goto fail;
>-	}
> 
> 	info.next_entry_offset = 0;
> 	info.sid_length = sid_len;
>-- 
>2.13.7
>
>
>From 0c8174cf9221ce5635073bb4a29e782f81f67dc5 Mon Sep 17 00:00:00 2001
>From: Volker Lendecke <vl@samba.org>
>Date: Wed, 8 Aug 2018 10:14:26 +0200
>Subject: [PATCH 5/5] libsmb: Fix CID 1438243 Unchecked return value
>
>Signed-off-by: Volker Lendecke <vl@samba.org>
>Reviewed-by: Jeremy Allison <jra@samba.org>
>
>Autobuild-User(master): Jeremy Allison <jra@samba.org>
>Autobuild-Date(master): Wed Aug  8 23:10:22 CEST 2018 on sn-devel-144
>---
> source3/libsmb/cliquota.c | 9 ++++++++-
> 1 file changed, 8 insertions(+), 1 deletion(-)
>
>diff --git a/source3/libsmb/cliquota.c b/source3/libsmb/cliquota.c
>index 8efd2bbe38a..52f98eb9e8f 100644
>--- a/source3/libsmb/cliquota.c
>+++ b/source3/libsmb/cliquota.c
>@@ -649,7 +649,14 @@ NTSTATUS fill_quota_buffer(TALLOC_CTX *mem_ctx,
> 		/* pidl will align to 8 bytes due to 8 byte members*/
> 		/* Remember how much align padding we've used. */
> 		padding = qndr->offset;
>-		ndr_push_align(qndr, 8);
>+
>+		err = ndr_push_align(qndr, 8);
>+		if (!NDR_ERR_CODE_IS_SUCCESS(err)) {
>+			DBG_DEBUG("ndr_push_align returned %s\n",
>+				  ndr_map_error2string(err));
>+			return ndr_map_error2ntstatus(err);
>+		}
>+
> 		padding = qndr->offset - padding;
> 
> 		/*
>-- 
>2.13.7
>

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