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r10681: Convert dcerpc_open_smb to a composite function.

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Volker
This commit is contained in:
Volker Lendecke 2005-10-03 09:00:36 +00:00 committed by Gerald (Jerry) Carter
parent b3b4059efe
commit 42ff218ac9
1 changed files with 113 additions and 42 deletions
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155
source/librpc/rpc/dcerpc_smb.c
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@ -24,6 +24,7 @@
#include "includes.h"
#include "libcli/raw/libcliraw.h"
#include "librpc/gen_ndr/ndr_security.h"
#include "libcli/composite/composite.h"
/* transport private information used by SMB pipe transport */
struct smb_private {
@ -358,54 +359,92 @@ static NTSTATUS smb_session_key(struct dcerpc_connection *c, DATA_BLOB *session_
return NT_STATUS_NO_USER_SESSION_KEY;
}
/*
open a rpc connection to a named pipe
*/
NTSTATUS dcerpc_pipe_open_smb(struct dcerpc_connection *c,
struct smbcli_tree *tree,
const char *pipe_name)
struct pipe_open_smb_state {
union smb_open *open;
struct dcerpc_connection *c;
struct smbcli_request *req;
struct smbcli_tree *tree;
struct composite_context *ctx;
};
static void pipe_open_recv(struct smbcli_request *req);
struct composite_context *dcerpc_pipe_open_smb_send(struct dcerpc_connection *c,
struct smbcli_tree *tree,
const char *pipe_name)
{
struct smb_private *smb;
NTSTATUS status;
union smb_open io;
char *pipe_name_talloc;
struct composite_context *ctx;
struct pipe_open_smb_state *state;
if (!strncasecmp(pipe_name, "/pipe/", 6) ||
!strncasecmp(pipe_name, "\\pipe\\", 6)) {
pipe_name += 6;
}
ctx = talloc_zero(NULL, struct composite_context);
if (ctx == NULL) goto failed;
ctx->state = COMPOSITE_STATE_IN_PROGRESS;
ctx->event_ctx = talloc_reference(c, c->event_ctx);
if (pipe_name[0] != '\\') {
pipe_name_talloc = talloc_asprintf(NULL, "\\%s", pipe_name);
} else {
pipe_name_talloc = talloc_strdup(NULL, pipe_name);
}
io.ntcreatex.level = RAW_OPEN_NTCREATEX;
io.ntcreatex.in.flags = 0;
io.ntcreatex.in.root_fid = 0;
io.ntcreatex.in.access_mask =
state = talloc(ctx, struct pipe_open_smb_state);
if (state == NULL) goto failed;
state->c = c;
state->tree = tree;
state->ctx = ctx;
state->open = talloc(state, union smb_open);
if (state->open == NULL) goto failed;
state->open->ntcreatex.level = RAW_OPEN_NTCREATEX;
state->open->ntcreatex.in.flags = 0;
state->open->ntcreatex.in.root_fid = 0;
state->open->ntcreatex.in.access_mask =
SEC_STD_READ_CONTROL |
SEC_FILE_WRITE_ATTRIBUTE |
SEC_FILE_WRITE_EA |
SEC_FILE_READ_DATA |
SEC_FILE_WRITE_DATA;
io.ntcreatex.in.file_attr = 0;
io.ntcreatex.in.alloc_size = 0;
io.ntcreatex.in.share_access =
state->open->ntcreatex.in.file_attr = 0;
state->open->ntcreatex.in.alloc_size = 0;
state->open->ntcreatex.in.share_access =
NTCREATEX_SHARE_ACCESS_READ |
NTCREATEX_SHARE_ACCESS_WRITE;
io.ntcreatex.in.open_disposition = NTCREATEX_DISP_OPEN;
io.ntcreatex.in.create_options = 0;
io.ntcreatex.in.impersonation = NTCREATEX_IMPERSONATION_IMPERSONATION;
io.ntcreatex.in.security_flags = 0;
io.ntcreatex.in.fname = pipe_name_talloc;
state->open->ntcreatex.in.open_disposition = NTCREATEX_DISP_OPEN;
state->open->ntcreatex.in.create_options = 0;
state->open->ntcreatex.in.impersonation =
NTCREATEX_IMPERSONATION_IMPERSONATION;
state->open->ntcreatex.in.security_flags = 0;
status = smb_raw_open(tree, tree, &io);
if ((strncasecmp(pipe_name, "/pipe/", 6) == 0) ||
(strncasecmp(pipe_name, "\\pipe\\", 6) == 0)) {
pipe_name += 6;
}
state->open->ntcreatex.in.fname =
(pipe_name[0] == '\\') ?
talloc_strdup(state->open, pipe_name) :
talloc_asprintf(state->open, "\\%s", pipe_name);
if (state->open->ntcreatex.in.fname == NULL) goto failed;
talloc_free(pipe_name_talloc);
state->req = smb_raw_open_send(tree, state->open);
if (state->req == NULL) goto failed;
NT_STATUS_NOT_OK_RETURN(status);
state->req->async.fn = pipe_open_recv;
state->req->async.private = state;
return ctx;
failed:
talloc_free(ctx);
return NULL;
}
static void pipe_open_recv(struct smbcli_request *req)
{
struct pipe_open_smb_state *state =
talloc_get_type(req->async.private,
struct pipe_open_smb_state);
struct composite_context *ctx = state->ctx;
struct dcerpc_connection *c = state->c;
struct smb_private *smb;
ctx->status = smb_raw_open_recv(req, state, state->open);
if (!NT_STATUS_IS_OK(ctx->status)) goto done;
/*
fill in the transport methods
@ -423,16 +462,48 @@ NTSTATUS dcerpc_pipe_open_smb(struct dcerpc_connection *c,
c->security_state.session_key = smb_session_key;
smb = talloc(c, struct smb_private);
NT_STATUS_HAVE_NO_MEMORY(smb);
smb->fnum = io.ntcreatex.out.fnum;
smb->tree = tree;
smb->server_name= strupper_talloc(smb, tree->session->transport->socket->hostname);
NT_STATUS_HAVE_NO_MEMORY(smb->server_name);
if (smb == NULL) {
ctx->status = NT_STATUS_NO_MEMORY;
goto done;
}
smb->fnum = state->open->ntcreatex.out.fnum;
smb->tree = talloc_reference(smb, state->tree);
smb->server_name= strupper_talloc(
smb, state->tree->session->transport->socket->hostname);
if (smb->server_name == NULL) {
ctx->status = NT_STATUS_NO_MEMORY;
goto done;
}
c->transport.private = smb;
return NT_STATUS_OK;
ctx->status = NT_STATUS_OK;
ctx->state = COMPOSITE_STATE_DONE;
done:
if (!NT_STATUS_IS_OK(ctx->status)) {
ctx->state = COMPOSITE_STATE_ERROR;
}
if ((ctx->state >= COMPOSITE_STATE_DONE) &&
(ctx->async.fn != NULL)) {
ctx->async.fn(ctx);
}
}
NTSTATUS dcerpc_pipe_open_smb_recv(struct composite_context *c)
{
NTSTATUS status = composite_wait(c);
talloc_free(c);
return status;
}
NTSTATUS dcerpc_pipe_open_smb(struct dcerpc_connection *c,
struct smbcli_tree *tree,
const char *pipe_name)
{
struct composite_context *ctx = dcerpc_pipe_open_smb_send(c, tree,
pipe_name);
return dcerpc_pipe_open_smb_recv(ctx);
}
/*