sin/samba-mirror
1
0
Fork 0
mirror of https://github.com/samba-team/samba.git synced 2025-10-31 12:23:52 +03:00
Code Activity

libcli/auth: Don't pass back lm_sess_key as the same pointer as user_sess_key

Browse Source 
This ensures that a talloc_free() of both pointers won't double-free
(sharing pointers like this is evil anyway).

Andrew Bartlett
This commit is contained in:
Andrew Bartlett
2009-04-20 10:54:57 +02:00
parent 7a54cd041e
commit 02ecdd8f29
1 changed files with 7 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
libcli/auth/ntlm_check.c
View File

@@ -356,9 +356,8 @@ NTSTATUS ntlm_password_check(TALLOC_CTX *mem_ctx,
client_domain,
false,
user_sess_key)) {
*lm_sess_key = *user_sess_key;
if (user_sess_key->length) {
lm_sess_key->length = 8;
*lm_sess_key = data_blob_talloc(mem_ctx, user_sess_key->data, MIN(8, user_sess_key->length));
}
return NT_STATUS_OK;
}
@@ -371,9 +370,8 @@ NTSTATUS ntlm_password_check(TALLOC_CTX *mem_ctx,
client_domain,
true,
user_sess_key)) {
*lm_sess_key = *user_sess_key;
if (user_sess_key->length) {
lm_sess_key->length = 8;
*lm_sess_key = data_blob_talloc(mem_ctx, user_sess_key->data, MIN(8, user_sess_key->length));
}
return NT_STATUS_OK;
}
@@ -386,9 +384,8 @@ NTSTATUS ntlm_password_check(TALLOC_CTX *mem_ctx,
"",
false,
user_sess_key)) {
*lm_sess_key = *user_sess_key;
if (user_sess_key->length) {
lm_sess_key->length = 8;
*lm_sess_key = data_blob_talloc(mem_ctx, user_sess_key->data, MIN(8, user_sess_key->length));
}
return NT_STATUS_OK;
} else {
@@ -408,7 +405,7 @@ NTSTATUS ntlm_password_check(TALLOC_CTX *mem_ctx,
so use it only if we otherwise allow LM authentication */
if (lanman_auth && stored_lanman) {
*lm_sess_key = data_blob_talloc(mem_ctx, stored_lanman->hash, 8);
*lm_sess_key = data_blob_talloc(mem_ctx, stored_lanman->hash, MIN(8, user_sess_key->length));
}
return NT_STATUS_OK;
} else {
@@ -497,9 +494,8 @@ NTSTATUS ntlm_password_check(TALLOC_CTX *mem_ctx,
/* Otherwise, use the LMv2 session key */
*user_sess_key = tmp_sess_key;
}
*lm_sess_key = *user_sess_key;
if (user_sess_key->length) {
lm_sess_key->length = 8;
*lm_sess_key = data_blob_talloc(mem_ctx, user_sess_key->data, MIN(8, user_sess_key->length));
}
return NT_STATUS_OK;
}
@@ -528,9 +524,8 @@ NTSTATUS ntlm_password_check(TALLOC_CTX *mem_ctx,
/* Otherwise, use the LMv2 session key */
*user_sess_key = tmp_sess_key;
}
*lm_sess_key = *user_sess_key;
if (user_sess_key->length) {
lm_sess_key->length = 8;
*lm_sess_key = data_blob_talloc(mem_ctx, user_sess_key->data, MIN(8, user_sess_key->length));
}
return NT_STATUS_OK;
}
@@ -559,9 +554,8 @@ NTSTATUS ntlm_password_check(TALLOC_CTX *mem_ctx,
/* Otherwise, use the LMv2 session key */
*user_sess_key = tmp_sess_key;
}
*lm_sess_key = *user_sess_key;
if (user_sess_key->length) {
lm_sess_key->length = 8;
*lm_sess_key = data_blob_talloc(mem_ctx, user_sess_key->data, MIN(8, user_sess_key->length));
}
return NT_STATUS_OK;
}