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idmap_rfc2307: Do not return SID from unixids_to_sids on type mismatch

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The call to winbind_lookup_name already wrote the result in the id_map
array. The later check for the type detected a mismatch, but that did
not remove the SID from the result struct.

Change this by first assigning the SID to a temporary variable and only
write it to the id_map array after the type checks.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=14663

Signed-off-by: Christof Schmitt <cs@samba.org>
This commit is contained in:
Christof Schmitt 2021-03-05 16:01:13 -07:00 committed by Volker Lendecke
parent db2afa57e4
commit 79dd4b133c
2 changed files with 5 additions and 1 deletions
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4
source3/winbindd/idmap_rfc2307.c
View File

@ -229,6 +229,7 @@ static void idmap_rfc2307_map_sid_results(struct idmap_rfc2307_context *ctx,
for (i = 0; i < count; i++) {
char *name;
struct dom_sid sid;
enum lsa_SidType lsa_type;
struct id_map *map;
uint32_t id;
@ -277,7 +278,7 @@ static void idmap_rfc2307_map_sid_results(struct idmap_rfc2307_context *ctx,
the following call will not recurse so this is safe */
(void)winbind_on();
/* Lookup name from PDC using lsa_lookup_names() */
b = winbind_lookup_name(dom_name, name, map->sid, &lsa_type);
b = winbind_lookup_name(dom_name, name, &sid, &lsa_type);
(void)winbind_off();
if (!b) {
@ -301,6 +302,7 @@ static void idmap_rfc2307_map_sid_results(struct idmap_rfc2307_context *ctx,
}
map->status = ID_MAPPED;
sid_copy(map->sid, &sid);
}
}

2
source3/winbindd/winbindd_dual_srv.c
View File

@ -286,6 +286,8 @@ NTSTATUS _wbint_UnixIDs2Sids(struct pipes_struct *p,
if (maps[i]->status == ID_MAPPED) {
r->out.xids[i] = maps[i]->xid;
sid_copy(&r->out.sids[i], maps[i]->sid);
} else {
r->out.sids[i] = (struct dom_sid) { 0 };
}
}