diff options
Diffstat (limited to 'source3/libsmb')
| -rw-r--r-- | source3/libsmb/smb2cli.h | 20 | ||||
| -rw-r--r-- | source3/libsmb/smb2cli_write.c | 134 |
2 files changed, 154 insertions, 0 deletions
diff --git a/source3/libsmb/smb2cli.h b/source3/libsmb/smb2cli.h index ea128cf494..5bd4f71fa0 100644 --- a/source3/libsmb/smb2cli.h +++ b/source3/libsmb/smb2cli.h @@ -126,4 +126,24 @@ NTSTATUS smb2cli_read(struct cli_state *cli, uint8_t **data, uint32_t *data_length); +struct tevent_req *smb2cli_write_send(TALLOC_CTX *mem_ctx, + struct tevent_context *ev, + struct cli_state *cli, + uint32_t length, + uint64_t offset, + uint64_t fid_persistent, + uint64_t fid_volatile, + uint32_t remaining_bytes, + uint32_t flags, + const uint8_t *data); +NTSTATUS smb2cli_write_recv(struct tevent_req *req); +NTSTATUS smb2cli_write(struct cli_state *cli, + uint32_t length, + uint64_t offset, + uint64_t fid_persistent, + uint64_t fid_volatile, + uint32_t remaining_bytes, + uint32_t flags, + const uint8_t *data); + #endif /* __SMB2CLI_H__ */ diff --git a/source3/libsmb/smb2cli_write.c b/source3/libsmb/smb2cli_write.c new file mode 100644 index 0000000000..ce672e44e9 --- /dev/null +++ b/source3/libsmb/smb2cli_write.c @@ -0,0 +1,134 @@ +/* + Unix SMB/CIFS implementation. + smb2 lib + Copyright (C) Volker Lendecke 2011 + + 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/>. +*/ + +#include "includes.h" +#include "client.h" +#include "async_smb.h" +#include "smb2cli_base.h" +#include "smb2cli.h" +#include "libsmb/proto.h" +#include "lib/util/tevent_ntstatus.h" + +struct smb2cli_write_state { + uint8_t fixed[48]; +}; + +static void smb2cli_write_done(struct tevent_req *subreq); + +struct tevent_req *smb2cli_write_send(TALLOC_CTX *mem_ctx, + struct tevent_context *ev, + struct cli_state *cli, + uint32_t length, + uint64_t offset, + uint64_t fid_persistent, + uint64_t fid_volatile, + uint32_t remaining_bytes, + uint32_t flags, + const uint8_t *data) +{ + struct tevent_req *req, *subreq; + struct smb2cli_write_state *state; + uint8_t *fixed; + + req = tevent_req_create(mem_ctx, &state, + struct smb2cli_write_state); + if (req == NULL) { + return NULL; + } + + fixed = state->fixed; + + SSVAL(fixed, 0, 49); + SSVAL(fixed, 2, SMB2_HDR_BODY + 48); + SIVAL(fixed, 4, length); + SBVAL(fixed, 8, offset); + SBVAL(fixed, 16, fid_persistent); + SBVAL(fixed, 24, fid_volatile); + SIVAL(fixed, 36, remaining_bytes); + SIVAL(fixed, 44, flags); + + subreq = smb2cli_req_send(state, ev, cli, SMB2_OP_WRITE, 0, + state->fixed, sizeof(state->fixed), + data, length); + if (tevent_req_nomem(subreq, req)) { + return tevent_req_post(req, ev); + } + tevent_req_set_callback(subreq, smb2cli_write_done, req); + return req; +} + +static void smb2cli_write_done(struct tevent_req *subreq) +{ + struct tevent_req *req = + tevent_req_callback_data(subreq, + struct tevent_req); + NTSTATUS status; + struct iovec *iov; + + status = smb2cli_req_recv(subreq, talloc_tos(), &iov, 17); + if (tevent_req_nterror(req, status)) { + return; + } + tevent_req_done(req); +} + +NTSTATUS smb2cli_write_recv(struct tevent_req *req) +{ + return tevent_req_simple_recv_ntstatus(req); +} + +NTSTATUS smb2cli_write(struct cli_state *cli, + uint32_t length, + uint64_t offset, + uint64_t fid_persistent, + uint64_t fid_volatile, + uint32_t remaining_bytes, + uint32_t flags, + const uint8_t *data) +{ + TALLOC_CTX *frame = talloc_stackframe(); + struct event_context *ev; + struct tevent_req *req; + NTSTATUS status = NT_STATUS_NO_MEMORY; + + if (cli_has_async_calls(cli)) { + /* + * Can't use sync call while an async call is in flight + */ + status = NT_STATUS_INVALID_PARAMETER; + goto fail; + } + ev = event_context_init(frame); + if (ev == NULL) { + goto fail; + } + req = smb2cli_write_send(frame, ev, cli, length, offset, + fid_persistent, fid_volatile, + remaining_bytes, flags, data); + if (req == NULL) { + goto fail; + } + if (!tevent_req_poll_ntstatus(req, ev, &status)) { + goto fail; + } + status = smb2cli_write_recv(req); + fail: + TALLOC_FREE(frame); + return status; +} |