samba/SOURCES/0062-s3-rpc_server-Use-a-stackframe-for-temporary-memory.patch
2021-10-08 16:37:00 +00:00

97 lines
3.0 KiB
Diff

From cb51fd8abb0f0d3fa672452cd15d49af193de6ee Mon Sep 17 00:00:00 2001
From: Andreas Schneider <asn@samba.org>
Date: Tue, 16 Jul 2019 16:02:12 +0200
Subject: [PATCH 062/187] s3:rpc_server: Use a stackframe for temporary memory
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(cherry picked from commit 1c84bda361678cb6c4685cff17a2d5a5026f2bce)
---
source3/rpc_server/netlogon/srv_netlog_nt.c | 20 +++++++++++++-------
1 file changed, 13 insertions(+), 7 deletions(-)
diff --git a/source3/rpc_server/netlogon/srv_netlog_nt.c b/source3/rpc_server/netlogon/srv_netlog_nt.c
index d5267bf7062..791aa7acaff 100644
--- a/source3/rpc_server/netlogon/srv_netlog_nt.c
+++ b/source3/rpc_server/netlogon/srv_netlog_nt.c
@@ -1134,6 +1134,7 @@ static NTSTATUS netr_set_machine_account_password(TALLOC_CTX *mem_ctx,
int rc;
DATA_BLOB session_key;
enum samr_UserInfoLevel infolevel;
+ TALLOC_CTX *frame = talloc_stackframe();
ZERO_STRUCT(user_handle);
@@ -1144,7 +1145,7 @@ static NTSTATUS netr_set_machine_account_password(TALLOC_CTX *mem_ctx,
goto out;
}
- rc = tsocket_address_inet_from_strings(mem_ctx,
+ rc = tsocket_address_inet_from_strings(frame,
"ip",
"127.0.0.1",
0,
@@ -1154,7 +1155,7 @@ static NTSTATUS netr_set_machine_account_password(TALLOC_CTX *mem_ctx,
goto out;
}
- status = rpcint_binding_handle(mem_ctx,
+ status = rpcint_binding_handle(frame,
&ndr_table_samr,
local,
NULL,
@@ -1166,7 +1167,7 @@ static NTSTATUS netr_set_machine_account_password(TALLOC_CTX *mem_ctx,
}
become_root();
- status = samr_find_machine_account(mem_ctx,
+ status = samr_find_machine_account(frame,
h,
account_name,
SEC_FLAG_MAXIMUM_ALLOWED,
@@ -1179,7 +1180,7 @@ static NTSTATUS netr_set_machine_account_password(TALLOC_CTX *mem_ctx,
}
status = dcerpc_samr_QueryUserInfo2(h,
- mem_ctx,
+ frame,
&user_handle,
UserControlInformation,
&info,
@@ -1213,7 +1214,11 @@ static NTSTATUS netr_set_machine_account_password(TALLOC_CTX *mem_ctx,
infolevel = UserInternal1Information;
in = data_blob_const(cr->creds.nt_hash, 16);
- out = data_blob_talloc_zero(mem_ctx, 16);
+ out = data_blob_talloc_zero(frame, 16);
+ if (out.data == NULL) {
+ status = NT_STATUS_NO_MEMORY;
+ goto out;
+ }
sess_crypt_blob(&out, &in, &session_key, true);
memcpy(info18.nt_pwd.hash, out.data, out.length);
@@ -1244,7 +1249,7 @@ static NTSTATUS netr_set_machine_account_password(TALLOC_CTX *mem_ctx,
become_root();
status = dcerpc_samr_SetUserInfo2(h,
- mem_ctx,
+ frame,
&user_handle,
infolevel,
info,
@@ -1260,8 +1265,9 @@ static NTSTATUS netr_set_machine_account_password(TALLOC_CTX *mem_ctx,
out:
if (h && is_valid_policy_hnd(&user_handle)) {
- dcerpc_samr_Close(h, mem_ctx, &user_handle, &result);
+ dcerpc_samr_Close(h, frame, &user_handle, &result);
}
+ TALLOC_FREE(frame);
return status;
}
--
2.23.0