[acls] removing unneeded safety checks

This commit is contained in:
Olga Kornievskaia 2011-09-23 12:12:45 -04:00
parent 3295a9da05
commit 7e52f53097
2 changed files with 15 additions and 50 deletions

View file

@ -34,6 +34,7 @@
#include "upcall.h"
#include "nfs41_xdr.h"
//#define DEBUG_ACLS
static int parse_getacl(unsigned char *buffer, uint32_t length,
nfs41_upcall *upcall)
{
@ -122,6 +123,7 @@ static int map_name_2_sid(DWORD *sid_len, PSID *sid, LPCSTR name)
"with %d\n", name, GetLastError());
goto out_free_sid;
} else {
#ifdef DEBUG_ACLS
LPSTR ssid = NULL;
if (IsValidSid(*sid))
if (ConvertSidToStringSidA(*sid, &ssid))
@ -133,6 +135,7 @@ static int map_name_2_sid(DWORD *sid_len, PSID *sid, LPCSTR name)
else
dprintf(1, "map_name_2_sid: Invalid Sid ?\n");
if (ssid) LocalFree(ssid);
#endif
}
status = ERROR_SUCCESS;
break;
@ -430,12 +433,6 @@ static int parse_setacl(unsigned char *buffer, uint32_t length,
status = safe_read(&buffer, &length, &sec_desc_len, sizeof(ULONG));
if (status) goto out;
args->sec_desc = (PSECURITY_DESCRIPTOR)buffer;
status = IsValidSecurityDescriptor(args->sec_desc);
if (!status) {
eprintf("parse_setacl: received invalid security descriptor\n");
status = ERROR_INVALID_PARAMETER;
goto out;
} else status = 0;
dprintf(1, "parsing NFS41_ACL_SET: info_class=%d sec_desc_len=%d\n",
args->query, sec_desc_len);
@ -543,12 +540,6 @@ static int map_nfs4ace_who(PSID sid, PSID owner_sid, PSID group_sid, char *who_o
SID_NAME_USE sid_type;
LPSTR tmp_buf = NULL, who = NULL;
status = IsValidSid(sid);
if (!status) {
eprintf("map_dacl_2_nfs4acl: invalid sid\n");
status = GetLastError();
goto out;
}
/* for ace mapping, we want to map owner's sid into "owner@"
* but for set_owner attribute we want to map owner into a user name
* same applies to group

View file

@ -3977,29 +3977,16 @@ NTSTATUS nfs41_QuerySecurityInformation (
DbgP("CurrentTime %x Saved Acl time %x\n",
current_time.QuadPart, nfs41_fobx->time.QuadPart);
if (current_time.QuadPart - nfs41_fobx->time.QuadPart <= 20*1000) {
if (RtlValidSecurityDescriptor(nfs41_fobx->acl)) {
DbgP("Received a valid security descriptor\n");
if (MmIsAddressValid(RxContext->CurrentIrp->UserBuffer)) {
PSECURITY_DESCRIPTOR sec_desc = (PSECURITY_DESCRIPTOR)
RxContext->CurrentIrp->UserBuffer;
DbgP("Received a valid user pointer\n");
RtlCopyMemory(sec_desc, nfs41_fobx->acl, nfs41_fobx->acl_len);
RxContext->IoStatusBlock.Information =
RxContext->InformationToReturn = nfs41_fobx->acl_len;
RxContext->IoStatusBlock.Status = status = STATUS_SUCCESS;
PSECURITY_DESCRIPTOR sec_desc = (PSECURITY_DESCRIPTOR)
RxContext->CurrentIrp->UserBuffer;
RtlCopyMemory(sec_desc, nfs41_fobx->acl, nfs41_fobx->acl_len);
RxContext->IoStatusBlock.Information =
RxContext->InformationToReturn = nfs41_fobx->acl_len;
RxContext->IoStatusBlock.Status = status = STATUS_SUCCESS;
#ifdef ENABLE_TIMINGS
InterlockedIncrement(&getacl.sops);
InterlockedAdd64(&getacl.size, nfs41_fobx->acl_len);
InterlockedIncrement(&getacl.sops);
InterlockedAdd64(&getacl.size, nfs41_fobx->acl_len);
#endif
} else {
DbgP("Received invalid user pointer\n");
status = STATUS_INTERNAL_ERROR;
goto out;
}
} else {
DbgP("Invalid saved security descriptor, do an upcall\n");
status = STATUS_INTERNAL_ERROR;
}
}
RxFreePool(nfs41_fobx->acl);
nfs41_fobx->acl = NULL;
@ -4037,21 +4024,9 @@ NTSTATUS nfs41_QuerySecurityInformation (
nfs41_fobx->acl_len = entry->u.Acl.buf_len;
KeQuerySystemTime(&nfs41_fobx->time);
} else if (entry->status == STATUS_SUCCESS) {
if (RtlValidSecurityDescriptor(entry->u.Acl.buf)) {
DbgP("Received a valid security descriptor\n");
if (MmIsAddressValid(RxContext->CurrentIrp->UserBuffer)) {
PSECURITY_DESCRIPTOR sec_desc = (PSECURITY_DESCRIPTOR)
RxContext->CurrentIrp->UserBuffer;
DbgP("Received a valid user pointer\n");
RtlCopyMemory(sec_desc, entry->u.Acl.buf, entry->u.Acl.buf_len);
} else {
DbgP("Received invalid user pointer\n");
status = STATUS_INTERNAL_ERROR;
}
} else {
DbgP("Received invalid security descriptor\n");
status = STATUS_INTERNAL_ERROR;
}
PSECURITY_DESCRIPTOR sec_desc = (PSECURITY_DESCRIPTOR)
RxContext->CurrentIrp->UserBuffer;
RtlCopyMemory(sec_desc, entry->u.Acl.buf, entry->u.Acl.buf_len);
#ifdef ENABLE_TIMINGS
InterlockedIncrement(&getacl.sops);
InterlockedAdd64(&getacl.size, entry->u.Acl.buf_len);
@ -4061,8 +4036,7 @@ NTSTATUS nfs41_QuerySecurityInformation (
nfs41_fobx->acl_len = 0;
RxContext->IoStatusBlock.Information = RxContext->InformationToReturn =
entry->u.Acl.buf_len;
if (!status)
RxContext->IoStatusBlock.Status = status = STATUS_SUCCESS;
RxContext->IoStatusBlock.Status = status = STATUS_SUCCESS;
} else {
status = map_query_acl_error(entry->status);
}