r12608: Remove some unused #include lines.

[jelmer/samba4-debian.git] / source / ntvfs / ipc / vfs_ipc.c

diff --git a/source/ntvfs/ipc/vfs_ipc.c b/source/ntvfs/ipc/vfs_ipc.c
index 1be877d7ece489ae663bdf692568899930fccb17..7eb9250eb21e921ace3da34c870a2146ddbea3ec 100644 (file)
--- a/source/ntvfs/ipc/vfs_ipc.c
+++ b/source/ntvfs/ipc/vfs_ipc.c
@@ -26,9 +26,10 @@
 
 
 #include "includes.h"
-#include "system/filesys.h"
 #include "dlinklist.h"
 #include "smb_server/smb_server.h"
+#include "ntvfs/ntvfs.h"
+#include "rpc_server/dcerpc_server.h"
 
 #define IPC_BASE_FNUM 0x400
 
@@ -350,14 +351,14 @@ static NTSTATUS ipc_copy(struct ntvfs_module_context *ntvfs,
        return NT_STATUS_ACCESS_DENIED;
 }
 
-static NTSTATUS ipc_readx_dcesrv_output(void *private_data, DATA_BLOB *output, size_t *nwritten)
+static NTSTATUS ipc_readx_dcesrv_output(void *private_data, DATA_BLOB *out, size_t *nwritten)
 {
        DATA_BLOB *blob = private_data;
 
-       if (output->length < blob->length) {
-               blob->length = output->length;
+       if (out->length < blob->length) {
+               blob->length = out->length;
        }
-       memcpy(blob->data, output->data, blob->length);
+       memcpy(blob->data, out->data, blob->length);
        *nwritten = blob->length;
        return NT_STATUS_OK;
 }
@@ -372,7 +373,7 @@ static NTSTATUS ipc_read(struct ntvfs_module_context *ntvfs,
        DATA_BLOB data;
        uint16_t fnum;
        struct pipe_state *p;
-       NTSTATUS status;
+       NTSTATUS status = NT_STATUS_OK;
 
        if (rd->generic.level != RAW_READ_GENERIC) {
                return ntvfs_map_read(req, rd, ntvfs);
@@ -388,7 +389,7 @@ static NTSTATUS ipc_read(struct ntvfs_module_context *ntvfs,
        data.length = rd->readx.in.maxcnt;
        data.data = rd->readx.out.data;
        if (data.length > UINT16_MAX) {
-               data.length = 0;
+               data.length = UINT16_MAX;
        }
 
        if (data.length != 0) {
@@ -616,33 +617,20 @@ static NTSTATUS ipc_search_close(struct ntvfs_module_context *ntvfs,
        return NT_STATUS_ACCESS_DENIED;
 }
 
-struct ipctp_dcesrv_output {
-       struct smbsrv_request *req;
-       struct smb_trans2 *trans;
-};
-static NTSTATUS ipc_trans_dcesrv_output(void *private_data, DATA_BLOB *_output, size_t *nwritten)
+static NTSTATUS ipc_trans_dcesrv_output(void *private_data, DATA_BLOB *out, size_t *nwritten)
 {
        NTSTATUS status = NT_STATUS_OK;
-       DATA_BLOB *output;
-       struct ipctp_dcesrv_output *ipctp = private_data;
-
-       /*
-        * do it the fast way without doing an extra memcpy()
-        *
-        * we need to reference the the DATA_BLOB itself,
-        * because out->data isn't always a valid talloc pointer
-        */
-       output = talloc_reference(ipctp->req, _output);
-       NT_STATUS_HAVE_NO_MEMORY(output);
+       DATA_BLOB *blob = private_data;
 
-       if (output->length > ipctp->trans->in.max_data) {
+       if (out->length > blob->length) {
                status = STATUS_BUFFER_OVERFLOW;
        }
 
-       ipctp->trans->out.data.data     = output->data;
-       ipctp->trans->out.data.length   = MIN(ipctp->trans->in.max_data, output->length);
-
-       *nwritten = ipctp->trans->out.data.length;
+       if (out->length < blob->length) {
+               blob->length = out->length;
+       }
+       memcpy(blob->data, out->data, blob->length);
+       *nwritten = blob->length;
        return status;
 }
 
@@ -651,36 +639,38 @@ static NTSTATUS ipc_dcerpc_cmd(struct ntvfs_module_context *ntvfs,
                               struct smbsrv_request *req, struct smb_trans2 *trans)
 {
        struct pipe_state *p;
-       struct ipc_private *ipcp = ntvfs->private_data;
-       struct ipctp_dcesrv_output ipctp;
+       struct ipc_private *private = ntvfs->private_data;
        NTSTATUS status;
 
        /* the fnum is in setup[1] */
-       p = pipe_state_find(ipcp, trans->in.setup[1]);
-       if (!p) return NT_STATUS_INVALID_HANDLE;
+       p = pipe_state_find(private, trans->in.setup[1]);
+       if (!p) {
+               return NT_STATUS_INVALID_HANDLE;
+       }
 
-       /*
-        * just to be sure we doesn't have something uninitialized
-        * the real work is done in the dcesrv_output() callback
-        */
-       trans->out.data = data_blob(NULL, 0);
+       trans->out.data = data_blob_talloc(req, NULL, trans->in.max_data);
+       if (!trans->out.data.data) {
+               return NT_STATUS_NO_MEMORY;
+       }
 
        /* pass the data to the dcerpc server. Note that we don't
           expect this to fail, and things like NDR faults are not
           reported at this stage. Those sorts of errors happen in the
           dcesrv_output stage */
        status = dcesrv_input(p->dce_conn, &trans->in.data);
-       NT_STATUS_NOT_OK_RETURN(status);
+       if (!NT_STATUS_IS_OK(status)) {
+               return status;
+       }
 
        /*
          now ask the dcerpc system for some output. This doesn't yet handle
-         async calls. Again, we only expect NT_STATUS_OK or STATUS_BUFFER_OVERFLOW.
-         If the call fails then the error is encoded at the dcerpc level
+         async calls. Again, we only expect NT_STATUS_OK. If the call fails then
+         the error is encoded at the dcerpc level
        */
-       ipctp.req       = req;
-       ipctp.trans     = trans;
-       status = dcesrv_output(p->dce_conn, &ipctp, ipc_trans_dcesrv_output);
-       NT_STATUS_IS_ERR_RETURN(status);
+       status = dcesrv_output(p->dce_conn, &trans->out.data, ipc_trans_dcesrv_output);
+       if (NT_STATUS_IS_ERR(status)) {
+               return status;
+       }
 
        trans->out.setup_count = 0;
        trans->out.setup = NULL;