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authorNadezhda Ivanova <nadezhda.ivanova@postpath.com>2009-09-24 18:29:57 -0700
committerNadezhda Ivanova <nadezhda.ivanova@postpath.com>2009-09-24 18:54:14 -0700
commitdf0d629f3726daf71beaa5ec07b284b865adc000 (patch)
tree1202aa700c9d7e4a1b67436b813c150f53221c77 /source4
parent60433b154dc345f8883b15d657e3f7d5c21fc6a1 (diff)
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Fixed a dereferenced null pointer.
Diffstat (limited to 'source4')
-rw-r--r--source4/libcli/security/create_descriptor.c30
1 files changed, 14 insertions, 16 deletions
diff --git a/source4/libcli/security/create_descriptor.c b/source4/libcli/security/create_descriptor.c
index 1054479f28..ebf07ac0fd 100644
--- a/source4/libcli/security/create_descriptor.c
+++ b/source4/libcli/security/create_descriptor.c
@@ -102,9 +102,13 @@ static bool contains_inheritable_aces(struct security_acl *acl)
static struct security_acl *preprocess_creator_acl(TALLOC_CTX *mem, struct security_acl *acl)
{
int i;
- struct security_acl *new_acl = talloc_zero(mem, struct security_acl);
+ struct security_acl *new_acl;
+ if (!acl) {
+ return NULL;
+ }
+
+ new_acl = talloc_zero(mem, struct security_acl);
- new_acl->revision = acl->revision;
for (i=0; i < acl->num_aces; i++) {
struct security_ace *ace = &acl->aces[i];
if (!(ace->flags & SEC_ACE_FLAG_INHERITED_ACE)){
@@ -369,20 +373,14 @@ static bool compute_acl(int acl_type,
goto final;
}
else{
- if (!c_acl){
- if (acl_type == SEC_DESC_DACL_PRESENT && token->default_dacl)
- *new_acl = security_acl_dup(new_sd, token->default_dacl);
- }
- else{
- *new_acl = preprocess_creator_acl(new_sd,c_acl);
- if (*new_acl == NULL)
- goto final;
- if (!postprocess_acl(*new_acl, new_sd->owner_sid,
- new_sd->group_sid,generic_map))
- return false;
- else
- goto final;
- }
+ *new_acl = preprocess_creator_acl(new_sd,c_acl);
+ if (*new_acl == NULL)
+ goto final;
+ if (!postprocess_acl(*new_acl, new_sd->owner_sid,
+ new_sd->group_sid,generic_map))
+ return false;
+ else
+ goto final;
}
final:
if (acl_type == SEC_DESC_DACL_PRESENT && new_sd->dacl)