diff options
-rw-r--r-- | source3/Makefile.in | 3 | ||||
-rw-r--r-- | source3/libsmb/smb2cli.h | 29 | ||||
-rw-r--r-- | source3/libsmb/smb2cli_create.c | 253 | ||||
-rwxr-xr-x | source3/wscript_build | 1 |
4 files changed, 285 insertions, 1 deletions
diff --git a/source3/Makefile.in b/source3/Makefile.in index 4f944a5f34..5554e69c8f 100644 --- a/source3/Makefile.in +++ b/source3/Makefile.in @@ -604,6 +604,8 @@ LIBSMB_OBJ = libsmb/clientgen.o libsmb/cliconnect.o libsmb/clifile.o \ libsmb/smb2cli_negprot.o \ libsmb/smb2cli_session.o \ libsmb/smb2cli_tcon.o \ + libsmb/smb2cli_create.o \ + ../libcli/smb/smb2_create_blob.o \ libsmb/cli_np_tstream.o \ libsmb/smbsock_connect.o \ $(LIBSAMBA_OBJ) \ @@ -940,7 +942,6 @@ SMBD_OBJ_SRV = smbd/server_reload.o \ smbd/smb2_getinfo.o \ smbd/smb2_setinfo.o \ smbd/smb2_break.o \ - ../libcli/smb/smb2_create_blob.o \ $(MANGLE_OBJ) @VFS_STATIC@ SMBD_OBJ_BASE = $(PARAM_WITHOUT_REG_OBJ) $(SMBD_OBJ_SRV) $(LIBSMB_OBJ) \ diff --git a/source3/libsmb/smb2cli.h b/source3/libsmb/smb2cli.h index 8eeeeac00f..86dc5b4363 100644 --- a/source3/libsmb/smb2cli.h +++ b/source3/libsmb/smb2cli.h @@ -55,4 +55,33 @@ struct tevent_req *smb2cli_tdis_send(TALLOC_CTX *mem_ctx, NTSTATUS smb2cli_tdis_recv(struct tevent_req *req); NTSTATUS smb2cli_tdis(struct cli_state *cli); +struct tevent_req *smb2cli_create_send( + TALLOC_CTX *mem_ctx, + struct tevent_context *ev, + struct cli_state *cli, + const char *filename, + uint8_t oplock_level, /* SMB2_OPLOCK_LEVEL_* */ + uint32_t impersonation_level, /* SMB2_IMPERSONATION_* */ + uint32_t desired_access, + uint32_t file_attributes, + uint32_t share_access, + uint32_t create_disposition, + uint32_t create_options, + struct smb2_create_blobs *blobs); +NTSTATUS smb2cli_create_recv(struct tevent_req *req, + uint64_t *fid_persistent, + uint64_t *fid_volatile); +NTSTATUS smb2cli_create(struct cli_state *cli, + const char *filename, + uint8_t oplock_level, /* SMB2_OPLOCK_LEVEL_* */ + uint32_t impersonation_level, /* SMB2_IMPERSONATION_* */ + uint32_t desired_access, + uint32_t file_attributes, + uint32_t share_access, + uint32_t create_disposition, + uint32_t create_options, + struct smb2_create_blobs *blobs, + uint64_t *fid_persistent, + uint64_t *fid_volatile); + #endif /* __SMB2CLI_H__ */ diff --git a/source3/libsmb/smb2cli_create.c b/source3/libsmb/smb2cli_create.c new file mode 100644 index 0000000000..bbec7b2051 --- /dev/null +++ b/source3/libsmb/smb2cli_create.c @@ -0,0 +1,253 @@ +/* + 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" +#include "libcli/smb/smb2_create_blob.h" + +struct smb2cli_create_state { + uint8_t fixed[56]; + + uint8_t oplock_level; + uint32_t create_action; + struct timespec creation_time; + struct timespec last_access_time; + struct timespec last_write_time; + struct timespec change_time; + uint64_t allocation_size; + uint64_t end_of_file; + uint32_t file_attributes; + uint64_t fid_persistent; + uint64_t fid_volatile; + struct smb2_create_blobs blobs; +}; + +static void smb2cli_create_done(struct tevent_req *subreq); + +struct tevent_req *smb2cli_create_send( + TALLOC_CTX *mem_ctx, + struct tevent_context *ev, + struct cli_state *cli, + const char *filename, + uint8_t oplock_level, /* SMB2_OPLOCK_LEVEL_* */ + uint32_t impersonation_level, /* SMB2_IMPERSONATION_* */ + uint32_t desired_access, + uint32_t file_attributes, + uint32_t share_access, + uint32_t create_disposition, + uint32_t create_options, + struct smb2_create_blobs *blobs) +{ + struct tevent_req *req, *subreq; + struct smb2cli_create_state *state; + uint8_t *fixed; + uint8_t *name_utf16; + size_t name_utf16_len; + DATA_BLOB blob; + NTSTATUS status; + size_t blobs_offset; + uint8_t *dyn; + size_t dyn_len; + + req = tevent_req_create(mem_ctx, &state, + struct smb2cli_create_state); + if (req == NULL) { + return NULL; + } + + if (!convert_string_talloc(state, CH_UNIX, CH_UTF16, + filename, strlen(filename)+1, + &name_utf16, &name_utf16_len)) { + tevent_req_nomem(NULL, req); + return tevent_req_post(req, ev); + } + + fixed = state->fixed; + + SSVAL(fixed, 0, 57); + SCVAL(fixed, 3, oplock_level); + SIVAL(fixed, 4, impersonation_level); + SIVAL(fixed, 24, desired_access); + SIVAL(fixed, 28, file_attributes); + SIVAL(fixed, 32, share_access); + SIVAL(fixed, 36, create_disposition); + SIVAL(fixed, 40, create_options); + + SSVAL(fixed, 44, SMB2_HDR_BODY + 56); + SSVAL(fixed, 46, name_utf16_len); + + blob = data_blob_null; + + if (blobs != NULL) { + status = smb2_create_blob_push(talloc_tos(), &blob, *blobs); + if (tevent_req_nterror(req, status)) { + return tevent_req_post(req, ev); + } + } + + blobs_offset = name_utf16_len; + blobs_offset = ((blobs_offset + 3) & ~3); + + SIVAL(fixed, 48, blobs_offset + SMB2_HDR_BODY + 56); + SIVAL(fixed, 52, blob.length); + + dyn_len = blobs_offset + blob.length; + dyn = talloc_zero_array(state, uint8_t, dyn_len); + if (tevent_req_nomem(dyn, req)) { + return tevent_req_post(req, ev); + } + + memcpy(dyn, name_utf16, name_utf16_len); + TALLOC_FREE(name_utf16); + + if (blob.data != NULL) { + memcpy(dyn + blobs_offset - (SMB2_HDR_BODY + 56), + blob.data, blob.length); + data_blob_free(&blob); + } + + subreq = smb2cli_req_send(state, ev, cli, SMB2_OP_CREATE, 0, + state->fixed, sizeof(state->fixed), + dyn, dyn_len); + if (tevent_req_nomem(subreq, req)) { + return tevent_req_post(req, ev); + } + tevent_req_set_callback(subreq, smb2cli_create_done, req); + return req; +} + +static void smb2cli_create_done(struct tevent_req *subreq) +{ + struct tevent_req *req = + tevent_req_callback_data(subreq, + struct tevent_req); + struct smb2cli_create_state *state = + tevent_req_data(req, + struct smb2cli_create_state); + NTSTATUS status; + struct iovec *iov; + uint8_t *body; + uint32_t offset, length; + + status = smb2cli_req_recv(subreq, talloc_tos(), &iov, 89); + if (tevent_req_nterror(req, status)) { + return; + } + + body = (uint8_t *)iov[1].iov_base; + + state->oplock_level = CVAL(body, 2); + state->create_action = IVAL(body, 4); + state->creation_time = interpret_long_date((char *)body + 8); + state->last_access_time = interpret_long_date((char *)body + 16); + state->last_write_time = interpret_long_date((char *)body + 24); + state->change_time = interpret_long_date((char *)body + 32); + state->allocation_size = BVAL(body, 40); + state->end_of_file = BVAL(body, 48); + state->file_attributes = IVAL(body, 56); + state->fid_persistent = BVAL(body, 64); + state->fid_volatile = BVAL(body, 72); + + offset = IVAL(body, 80); + length = IVAL(body, 84); + + if ((offset != 0) && (length != 0)) { + if ((offset != SMB2_HDR_BODY + 88) || + (length > iov[2].iov_len)) { + tevent_req_nterror( + req, NT_STATUS_INVALID_NETWORK_RESPONSE); + return; + } + status = smb2_create_blob_parse( + state, data_blob_const(iov[2].iov_base, length), + &state->blobs); + if (tevent_req_nterror(req, status)) { + return; + } + } + tevent_req_done(req); +} + +NTSTATUS smb2cli_create_recv(struct tevent_req *req, + uint64_t *fid_persistent, + uint64_t *fid_volatile) +{ + struct smb2cli_create_state *state = + tevent_req_data(req, + struct smb2cli_create_state); + NTSTATUS status; + + if (tevent_req_is_nterror(req, &status)) { + return status; + } + *fid_persistent = state->fid_persistent; + *fid_volatile = state->fid_volatile; + return NT_STATUS_OK; +} + +NTSTATUS smb2cli_create(struct cli_state *cli, + const char *filename, + uint8_t oplock_level, /* SMB2_OPLOCK_LEVEL_* */ + uint32_t impersonation_level, /* SMB2_IMPERSONATION_* */ + uint32_t desired_access, + uint32_t file_attributes, + uint32_t share_access, + uint32_t create_disposition, + uint32_t create_options, + struct smb2_create_blobs *blobs, + uint64_t *fid_persistent, + uint64_t *fid_volatile) +{ + 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_create_send(frame, ev, cli, filename, oplock_level, + impersonation_level, desired_access, + file_attributes, share_access, + create_disposition, create_options, + blobs); + if (req == NULL) { + goto fail; + } + if (!tevent_req_poll_ntstatus(req, ev, &status)) { + goto fail; + } + status = smb2cli_create_recv(req, fid_persistent, fid_volatile); + fail: + TALLOC_FREE(frame); + return status; +} diff --git a/source3/wscript_build b/source3/wscript_build index 67aabd06f2..1acfd7ab62 100755 --- a/source3/wscript_build +++ b/source3/wscript_build @@ -140,6 +140,7 @@ LIBSMB_SRC = '''libsmb/clientgen.c libsmb/cliconnect.c libsmb/clifile.c libsmb/smb2cli_negprot.c libsmb/smb2cli_session.c libsmb/smb2cli_tcon.c + libsmb/smb2cli_create.c libsmb/cli_np_tstream.c libsmb/reparse_symlink.c libsmb/clisymlink.c |