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Diffstat (limited to '')
| -rw-r--r-- | source4/libcli/smb_composite/smb2.c | 447 |
1 files changed, 447 insertions, 0 deletions
diff --git a/source4/libcli/smb_composite/smb2.c b/source4/libcli/smb_composite/smb2.c new file mode 100644 index 0000000..0fa51b2 --- /dev/null +++ b/source4/libcli/smb_composite/smb2.c @@ -0,0 +1,447 @@ +/* + Unix SMB/CIFS implementation. + + Copyright (C) Andrew Tridgell 2008 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ +/* + a composite API for making SMB-like calls using SMB2. This is useful + as SMB2 often requires more than one requests where a single SMB + request would do. In converting code that uses SMB to use SMB2, + these routines make life a lot easier +*/ + + +#include "includes.h" +#include <tevent.h> +#include "lib/util/tevent_ntstatus.h" +#include "libcli/raw/libcliraw.h" +#include "libcli/raw/raw_proto.h" +#include "libcli/composite/composite.h" +#include "libcli/smb_composite/smb_composite.h" +#include "libcli/smb2/smb2_calls.h" + +/* + continue after a SMB2 close + */ +static void continue_close(struct smb2_request *req) +{ + struct composite_context *ctx = talloc_get_type(req->async.private_data, + struct composite_context); + NTSTATUS status; + struct smb2_close close_parm; + + status = smb2_close_recv(req, &close_parm); + composite_error(ctx, status); +} + +/* + continue after the create in a composite unlink + */ +static void continue_unlink(struct smb2_request *req) +{ + struct composite_context *ctx = talloc_get_type(req->async.private_data, + struct composite_context); + struct smb2_tree *tree = req->tree; + struct smb2_create create_parm; + struct smb2_close close_parm; + NTSTATUS status; + + status = smb2_create_recv(req, ctx, &create_parm); + if (!NT_STATUS_IS_OK(status)) { + composite_error(ctx, status); + return; + } + + ZERO_STRUCT(close_parm); + close_parm.in.file.handle = create_parm.out.file.handle; + + req = smb2_close_send(tree, &close_parm); + composite_continue_smb2(ctx, req, continue_close, ctx); +} + +/* + composite SMB2 unlink call +*/ +struct composite_context *smb2_composite_unlink_send(struct smb2_tree *tree, + union smb_unlink *io) +{ + struct composite_context *ctx; + struct smb2_create create_parm; + struct smb2_request *req; + + ctx = composite_create(tree, tree->session->transport->ev); + if (ctx == NULL) return NULL; + + /* check for wildcards - we could support these with a + search, but for now they aren't necessary */ + if (strpbrk(io->unlink.in.pattern, "*?<>") != NULL) { + composite_error(ctx, NT_STATUS_NOT_SUPPORTED); + return ctx; + } + + ZERO_STRUCT(create_parm); + create_parm.in.desired_access = SEC_STD_DELETE; + create_parm.in.create_disposition = NTCREATEX_DISP_OPEN; + create_parm.in.share_access = + NTCREATEX_SHARE_ACCESS_DELETE| + NTCREATEX_SHARE_ACCESS_READ| + NTCREATEX_SHARE_ACCESS_WRITE; + create_parm.in.create_options = + NTCREATEX_OPTIONS_DELETE_ON_CLOSE | + NTCREATEX_OPTIONS_NON_DIRECTORY_FILE; + create_parm.in.fname = io->unlink.in.pattern; + if (create_parm.in.fname[0] == '\\') { + create_parm.in.fname++; + } + + req = smb2_create_send(tree, &create_parm); + + composite_continue_smb2(ctx, req, continue_unlink, ctx); + return ctx; +} + + +/* + composite unlink call - sync interface +*/ +NTSTATUS smb2_composite_unlink(struct smb2_tree *tree, union smb_unlink *io) +{ + struct composite_context *c = smb2_composite_unlink_send(tree, io); + return composite_wait_free(c); +} + + + + +/* + continue after the create in a composite mkdir + */ +static void continue_mkdir(struct smb2_request *req) +{ + struct composite_context *ctx = talloc_get_type(req->async.private_data, + struct composite_context); + struct smb2_tree *tree = req->tree; + struct smb2_create create_parm; + struct smb2_close close_parm; + NTSTATUS status; + + status = smb2_create_recv(req, ctx, &create_parm); + if (!NT_STATUS_IS_OK(status)) { + composite_error(ctx, status); + return; + } + + ZERO_STRUCT(close_parm); + close_parm.in.file.handle = create_parm.out.file.handle; + + req = smb2_close_send(tree, &close_parm); + composite_continue_smb2(ctx, req, continue_close, ctx); +} + +/* + composite SMB2 mkdir call +*/ +struct composite_context *smb2_composite_mkdir_send(struct smb2_tree *tree, + union smb_mkdir *io) +{ + struct composite_context *ctx; + struct smb2_create create_parm; + struct smb2_request *req; + + ctx = composite_create(tree, tree->session->transport->ev); + if (ctx == NULL) return NULL; + + ZERO_STRUCT(create_parm); + + create_parm.in.desired_access = SEC_FLAG_MAXIMUM_ALLOWED; + create_parm.in.share_access = + NTCREATEX_SHARE_ACCESS_READ| + NTCREATEX_SHARE_ACCESS_WRITE; + create_parm.in.create_options = NTCREATEX_OPTIONS_DIRECTORY; + create_parm.in.file_attributes = FILE_ATTRIBUTE_DIRECTORY; + create_parm.in.create_disposition = NTCREATEX_DISP_CREATE; + create_parm.in.fname = io->mkdir.in.path; + if (create_parm.in.fname[0] == '\\') { + create_parm.in.fname++; + } + + req = smb2_create_send(tree, &create_parm); + + composite_continue_smb2(ctx, req, continue_mkdir, ctx); + + return ctx; +} + + +/* + composite mkdir call - sync interface +*/ +NTSTATUS smb2_composite_mkdir(struct smb2_tree *tree, union smb_mkdir *io) +{ + struct composite_context *c = smb2_composite_mkdir_send(tree, io); + return composite_wait_free(c); +} + + + +/* + continue after the create in a composite rmdir + */ +static void continue_rmdir(struct smb2_request *req) +{ + struct composite_context *ctx = talloc_get_type(req->async.private_data, + struct composite_context); + struct smb2_tree *tree = req->tree; + struct smb2_create create_parm; + struct smb2_close close_parm; + NTSTATUS status; + + status = smb2_create_recv(req, ctx, &create_parm); + if (!NT_STATUS_IS_OK(status)) { + composite_error(ctx, status); + return; + } + + ZERO_STRUCT(close_parm); + close_parm.in.file.handle = create_parm.out.file.handle; + + req = smb2_close_send(tree, &close_parm); + composite_continue_smb2(ctx, req, continue_close, ctx); +} + +/* + composite SMB2 rmdir call +*/ +struct composite_context *smb2_composite_rmdir_send(struct smb2_tree *tree, + struct smb_rmdir *io) +{ + struct composite_context *ctx; + struct smb2_create create_parm; + struct smb2_request *req; + + ctx = composite_create(tree, tree->session->transport->ev); + if (ctx == NULL) return NULL; + + ZERO_STRUCT(create_parm); + create_parm.in.desired_access = SEC_STD_DELETE; + create_parm.in.create_disposition = NTCREATEX_DISP_OPEN; + create_parm.in.share_access = + NTCREATEX_SHARE_ACCESS_DELETE| + NTCREATEX_SHARE_ACCESS_READ| + NTCREATEX_SHARE_ACCESS_WRITE; + create_parm.in.create_options = + NTCREATEX_OPTIONS_DIRECTORY | + NTCREATEX_OPTIONS_DELETE_ON_CLOSE; + create_parm.in.fname = io->in.path; + if (create_parm.in.fname[0] == '\\') { + create_parm.in.fname++; + } + + req = smb2_create_send(tree, &create_parm); + + composite_continue_smb2(ctx, req, continue_rmdir, ctx); + return ctx; +} + + +/* + composite rmdir call - sync interface +*/ +NTSTATUS smb2_composite_rmdir(struct smb2_tree *tree, struct smb_rmdir *io) +{ + struct composite_context *c = smb2_composite_rmdir_send(tree, io); + return composite_wait_free(c); +} + +struct smb2_composite_setpathinfo_state { + struct smb2_tree *tree; + union smb_setfileinfo io; + NTSTATUS set_status; + struct smb2_create cr; + struct smb2_close cl; +}; + +static void smb2_composite_setpathinfo_create_done(struct smb2_request *smb2req); + +/* + composite SMB2 setpathinfo call +*/ +struct tevent_req *smb2_composite_setpathinfo_send(TALLOC_CTX *mem_ctx, + struct tevent_context *ev, + struct smb2_tree *tree, + const union smb_setfileinfo *io) +{ + struct tevent_req *req; + struct smb2_composite_setpathinfo_state *state; + struct smb2_request *smb2req; + + req = tevent_req_create(mem_ctx, &state, + struct smb2_composite_setpathinfo_state); + if (req == NULL) { + return NULL; + } + + state->tree = tree; + state->io = *io; + + state->cr.in.desired_access = SEC_FLAG_MAXIMUM_ALLOWED; + state->cr.in.create_disposition = NTCREATEX_DISP_OPEN; + state->cr.in.share_access = + NTCREATEX_SHARE_ACCESS_DELETE| + NTCREATEX_SHARE_ACCESS_READ| + NTCREATEX_SHARE_ACCESS_WRITE; + state->cr.in.create_options = 0; + state->cr.in.fname = state->io.generic.in.file.path; + if (state->cr.in.fname[0] == '\\') { + state->cr.in.fname++; + } + + smb2req = smb2_create_send(tree, &state->cr); + if (tevent_req_nomem(smb2req, req)) { + return tevent_req_post(req, ev); + } + smb2req->async.fn = smb2_composite_setpathinfo_create_done; + smb2req->async.private_data = req; + + return req; +} + +static void smb2_composite_setpathinfo_setinfo_done(struct smb2_request *smb2req); + +static void smb2_composite_setpathinfo_create_done(struct smb2_request *smb2req) +{ + struct tevent_req *req = + talloc_get_type_abort(smb2req->async.private_data, + struct tevent_req); + struct smb2_composite_setpathinfo_state *state = + tevent_req_data(req, + struct smb2_composite_setpathinfo_state); + NTSTATUS status; + + status = smb2_create_recv(smb2req, state, &state->cr); + if (tevent_req_nterror(req, status)) { + return; + } + + state->io.generic.in.file.handle = state->cr.out.file.handle; + + smb2req = smb2_setinfo_file_send(state->tree, &state->io); + if (tevent_req_nomem(smb2req, req)) { + return; + } + smb2req->async.fn = smb2_composite_setpathinfo_setinfo_done; + smb2req->async.private_data = req; +} + +static void smb2_composite_setpathinfo_close_done(struct smb2_request *smb2req); + +static void smb2_composite_setpathinfo_setinfo_done(struct smb2_request *smb2req) +{ + struct tevent_req *req = + talloc_get_type_abort(smb2req->async.private_data, + struct tevent_req); + struct smb2_composite_setpathinfo_state *state = + tevent_req_data(req, + struct smb2_composite_setpathinfo_state); + NTSTATUS status; + + status = smb2_setinfo_recv(smb2req); + state->set_status = status; + + state->cl.in.file.handle = state->io.generic.in.file.handle; + + smb2req = smb2_close_send(state->tree, &state->cl); + if (tevent_req_nomem(smb2req, req)) { + return; + } + smb2req->async.fn = smb2_composite_setpathinfo_close_done; + smb2req->async.private_data = req; +} + +static void smb2_composite_setpathinfo_close_done(struct smb2_request *smb2req) +{ + struct tevent_req *req = + talloc_get_type_abort(smb2req->async.private_data, + struct tevent_req); + struct smb2_composite_setpathinfo_state *state = + tevent_req_data(req, + struct smb2_composite_setpathinfo_state); + NTSTATUS status; + + status = smb2_close_recv(smb2req, &state->cl); + + if (tevent_req_nterror(req, state->set_status)) { + return; + } + + if (tevent_req_nterror(req, status)) { + return; + } + + tevent_req_done(req); +} + +NTSTATUS smb2_composite_setpathinfo_recv(struct tevent_req *req) +{ + NTSTATUS status; + + if (tevent_req_is_nterror(req, &status)) { + tevent_req_received(req); + return status; + } + + tevent_req_received(req); + return NT_STATUS_OK; +} + +/* + composite setpathinfo call + */ +NTSTATUS smb2_composite_setpathinfo(struct smb2_tree *tree, union smb_setfileinfo *io) +{ + struct tevent_req *subreq; + NTSTATUS status; + bool ok; + TALLOC_CTX *frame = talloc_stackframe(); + struct tevent_context *ev = tree->session->transport->ev; + + if (frame == NULL) { + return NT_STATUS_NO_MEMORY; + } + + subreq = smb2_composite_setpathinfo_send(frame, ev, tree, io); + if (subreq == NULL) { + TALLOC_FREE(frame); + return NT_STATUS_NO_MEMORY; + } + + ok = tevent_req_poll(subreq, ev); + if (!ok) { + status = map_nt_error_from_unix_common(errno); + TALLOC_FREE(frame); + return status; + } + + status = smb2_composite_setpathinfo_recv(subreq); + TALLOC_FREE(subreq); + if (!NT_STATUS_IS_OK(status)) { + TALLOC_FREE(frame); + return status; + } + + TALLOC_FREE(frame); + return NT_STATUS_OK; +} |