evin/ms-nfs41-client
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adding SID to upcall

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This commit is contained in:
Casey Bodley 2010-10-12 09:55:32 -04:00
parent 27d764710e
commit 86c16a7197
4 changed files with 32 additions and 5 deletions
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29
sys/nfs41_driver.c
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@ -115,6 +115,7 @@ typedef struct _updowncall_entry {
KEVENT cond;
DWORD errno;
BOOLEAN async_op;
UNICODE_STRING sid;
union {
struct {
PUNICODE_STRING srv_name;
@ -413,7 +414,8 @@ NTSTATUS marshal_nfs41_header(nfs41_updowncall_entry *entry,
ULONG header_len = 0;
unsigned char *tmp = buf;
header_len = sizeof(entry->xid) + sizeof(entry->opcode);
header_len = sizeof(entry->xid) + sizeof(entry->opcode) + entry->sid.Length +
sizeof(entry->sid.Length);
if (header_len > buf_len) {
status = STATUS_INSUFFICIENT_RESOURCES;
goto out;
@ -423,8 +425,13 @@ NTSTATUS marshal_nfs41_header(nfs41_updowncall_entry *entry,
RtlCopyMemory(tmp, &entry->xid, sizeof(entry->xid));
tmp += sizeof(xid);
RtlCopyMemory(tmp, &entry->opcode, sizeof(entry->opcode));
DbgP("[upcall] entry=%p xid=%d opcode=%d\n", entry, entry->xid, entry->opcode);
tmp += sizeof(entry->opcode);
RtlCopyMemory(tmp, &entry->sid.Length, sizeof(entry->sid.Length));
tmp += sizeof(entry->sid.Length);
RtlCopyMemory(tmp, entry->sid.Buffer, entry->sid.Length);
DbgP("[upcall] entry=%p xid=%d opcode=%d SID=%wZ\n", entry, entry->xid,
entry->opcode, entry->sid);
RtlFreeUnicodeString(&entry->sid);
out:
return status;
}
@ -1094,12 +1101,16 @@ handle_upcall(
return status;
}
NTSTATUS nfs41_UpcallCreate(
IN DWORD opcode,
OUT nfs41_updowncall_entry **entry_out)
{
NTSTATUS status = STATUS_SUCCESS;
nfs41_updowncall_entry *entry;
PACCESS_TOKEN token = NULL;
PTOKEN_USER user = NULL;
SECURITY_SUBJECT_CONTEXT sec_ctx;
entry = RxAllocatePoolWithTag(NonPagedPool, sizeof(nfs41_updowncall_entry),
NFS41_MM_POOLTAG);
@ -1115,6 +1126,18 @@ NTSTATUS nfs41_UpcallCreate(
/*XXX KeInitializeEvent will bugcheck under verifier if allocated from PagedPool? */
KeInitializeEvent(&entry->cond, SynchronizationEvent, FALSE);
ExInitializeFastMutex(&entry->lock);
SeCaptureSubjectContext(&sec_ctx);
token = SeQuerySubjectContextToken(&sec_ctx);
status = SeQueryInformationToken(token, TokenUser, &user);
if (status == STATUS_SUCCESS) {
status = RtlConvertSidToUnicodeString(&entry->sid, user->User.Sid, 1);
DbgP("[upcall] SID = %wZ", &entry->sid);
ExFreePool(user);
} else
DbgP("SeQueryInformationToken failed %d\n", status);
SeReleaseSubjectContext(&sec_ctx);
*entry_out = entry;
out:
return status;