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Code Activity

winbind: Make wb_sids2xids_recv work on an array

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The trigger for this is that Coverity got confused by the dual use of &xid
as an array with the implicit length equality between wb_sids2xids_send
and the array passed in to wb_sids2xids_recv for the result.

I don't want to start doing things just for the Coverity scan, but this
makes the code clearer to me by removing this implicit expected array
length equality.

Signed-off-by: Volker Lendecke <vl@samba.org>
Signed-off-by: David Disseldorp <ddiss@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: David Disseldorp <ddiss@samba.org>

Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Sat Mar  7 15:28:59 CET 2015 on sn-devel-104
This commit is contained in:
Volker Lendecke
2015-03-05 20:59:16 +01:00
parent 91ff65b2f6
commit 5ba377f3df
8 changed files with 27 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
source3/winbindd/wb_fill_pwent.c
View File

@ -70,9 +70,9 @@ static void wb_fill_pwent_sid2uid_done(struct tevent_req *subreq)
struct wb_fill_pwent_state *state = tevent_req_data(
req, struct wb_fill_pwent_state);
NTSTATUS status;
struct unixid xid;
struct unixid xids[1];
status = wb_sids2xids_recv(subreq, &xid);
status = wb_sids2xids_recv(subreq, xids, ARRAY_SIZE(xids));
TALLOC_FREE(subreq);
if (tevent_req_nterror(req, status)) {
return;
@ -84,12 +84,12 @@ static void wb_fill_pwent_sid2uid_done(struct tevent_req *subreq)
* by lookupsids). Here we need to filter for the type of object
* actually requested, in this case uid.
*/
if (!(xid.type == ID_TYPE_UID || xid.type == ID_TYPE_BOTH)) {
if (!(xids[0].type == ID_TYPE_UID || xids[0].type == ID_TYPE_BOTH)) {
tevent_req_nterror(req, NT_STATUS_NONE_MAPPED);
return;
}
state->pw->pw_uid = (uid_t)xid.id;
state->pw->pw_uid = (uid_t)xids[0].id;
subreq = wb_getgrsid_send(state, state->ev, &state->info->group_sid, 0);
if (tevent_req_nomem(subreq, req)) {

10
source3/winbindd/wb_getgrsid.c
View File

@ -116,9 +116,9 @@ static void wb_getgrsid_sid2gid_done(struct tevent_req *subreq)
struct wb_getgrsid_state *state = tevent_req_data(
req, struct wb_getgrsid_state);
NTSTATUS status;
struct unixid xid;
struct unixid xids[1];
status = wb_sids2xids_recv(subreq, &xid);
status = wb_sids2xids_recv(subreq, xids, ARRAY_SIZE(xids));
TALLOC_FREE(subreq);
if (tevent_req_nterror(req, status)) {
return;
@ -130,12 +130,12 @@ static void wb_getgrsid_sid2gid_done(struct tevent_req *subreq)
* by lookupsids). Here we need to filter for the type of object
* actually requested, in this case uid.
*/
if (!(xid.type == ID_TYPE_GID || xid.type == ID_TYPE_BOTH)) {
if (!(xids[0].type == ID_TYPE_GID || xids[0].type == ID_TYPE_BOTH)) {
tevent_req_nterror(req, NT_STATUS_NONE_MAPPED);
return;
}
state->gid = (gid_t)xid.id;
state->gid = (gid_t)xids[0].id;
if (state->type == SID_NAME_USER || state->type == SID_NAME_COMPUTER) {
/*
@ -145,7 +145,7 @@ static void wb_getgrsid_sid2gid_done(struct tevent_req *subreq)
*/
const char *name;
if (xid.type != ID_TYPE_BOTH) {
if (xids[0].type != ID_TYPE_BOTH) {
tevent_req_nterror(req, NT_STATUS_NO_SUCH_GROUP);
return;
}

8
source3/winbindd/wb_sids2xids.c
View File

@ -253,7 +253,7 @@ static void wb_sids2xids_done(struct tevent_req *subreq)
}
NTSTATUS wb_sids2xids_recv(struct tevent_req *req,
struct unixid *xids)
struct unixid xids[], uint32_t num_xids)
{
struct wb_sids2xids_state *state = tevent_req_data(
req, struct wb_sids2xids_state);
@ -265,6 +265,12 @@ NTSTATUS wb_sids2xids_recv(struct tevent_req *req,
return status;
}
if (num_xids != state->num_sids) {
DEBUG(1, ("%s: Have %u xids, caller wants %u\n", __func__,
(unsigned)state->num_sids, num_xids));
return NT_STATUS_INTERNAL_ERROR;
}
num_non_cached = 0;
for (i=0; i<state->num_sids; i++) {

2
source3/winbindd/winbindd_getgroups.c
View File

@ -155,7 +155,7 @@ static void winbindd_getgroups_sid2gid_done(struct tevent_req *subreq)
xids[i].id = UINT32_MAX;
}
status = wb_sids2xids_recv(subreq, xids);
status = wb_sids2xids_recv(subreq, xids, state->num_sids);
TALLOC_FREE(subreq);
if (NT_STATUS_EQUAL(status, NT_STATUS_NONE_MAPPED) ||
NT_STATUS_EQUAL(status, STATUS_SOME_UNMAPPED))

2
source3/winbindd/winbindd_proto.h
View File

@ -884,7 +884,7 @@ struct tevent_req *wb_sids2xids_send(TALLOC_CTX *mem_ctx,
const struct dom_sid *sids,
const uint32_t num_sids);
NTSTATUS wb_sids2xids_recv(struct tevent_req *req,
struct unixid *xids);
struct unixid xids[], uint32_t num_xids);
struct tevent_req *winbindd_sids_to_xids_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
struct winbindd_cli_state *cli,

8
source3/winbindd/winbindd_sid_to_gid.c
View File

@ -69,9 +69,9 @@ static void winbindd_sid_to_gid_done(struct tevent_req *subreq)
struct winbindd_sid_to_gid_state *state = tevent_req_data(
req, struct winbindd_sid_to_gid_state);
NTSTATUS status;
struct unixid xid;
struct unixid xids[1];
status = wb_sids2xids_recv(subreq, &xid);
status = wb_sids2xids_recv(subreq, xids, ARRAY_SIZE(xids));
TALLOC_FREE(subreq);
if (tevent_req_nterror(req, status)) {
return;
@ -83,12 +83,12 @@ static void winbindd_sid_to_gid_done(struct tevent_req *subreq)
* by lookupsids). Here we need to filter for the type of object
* actually requested, in this case gid.
*/
if (!(xid.type == ID_TYPE_GID || xid.type == ID_TYPE_BOTH)) {
if (!(xids[0].type == ID_TYPE_GID || xids[0].type == ID_TYPE_BOTH)) {
tevent_req_nterror(req, NT_STATUS_NONE_MAPPED);
return;
}
state->gid = (gid_t)xid.id;
state->gid = (gid_t)xids[0].id;
tevent_req_done(req);
}

8
source3/winbindd/winbindd_sid_to_uid.c
View File

@ -69,9 +69,9 @@ static void winbindd_sid_to_uid_done(struct tevent_req *subreq)
struct winbindd_sid_to_uid_state *state = tevent_req_data(
req, struct winbindd_sid_to_uid_state);
NTSTATUS status;
struct unixid xid;
struct unixid xids[1];
status = wb_sids2xids_recv(subreq, &xid);
status = wb_sids2xids_recv(subreq, xids, ARRAY_SIZE(xids));
TALLOC_FREE(subreq);
if (tevent_req_nterror(req, status)) {
return;
@ -83,12 +83,12 @@ static void winbindd_sid_to_uid_done(struct tevent_req *subreq)
* by lookupsids). Here we need to filter for the type of object
* actually requested, in this case uid.
*/
if (!(xid.type == ID_TYPE_UID || xid.type == ID_TYPE_BOTH)) {
if (!(xids[0].type == ID_TYPE_UID || xids[0].type == ID_TYPE_BOTH)) {
tevent_req_nterror(req, NT_STATUS_NONE_MAPPED);
return;
}
state->uid = (uid_t)xid.id;
state->uid = (uid_t)xids[0].id;
tevent_req_done(req);
}

2
source3/winbindd/winbindd_sids_to_xids.c
View File

@ -89,7 +89,7 @@ static void winbindd_sids_to_xids_done(struct tevent_req *subreq)
return;
}
status = wb_sids2xids_recv(subreq, state->xids);
status = wb_sids2xids_recv(subreq, state->xids, state->num_sids);
TALLOC_FREE(subreq);
if (tevent_req_nterror(req, status)) {
return;