diff options
Diffstat (limited to 'source3/libsmb')
| -rw-r--r-- | source3/libsmb/smb2cli.h | 13 | ||||
| -rw-r--r-- | source3/libsmb/smb2cli_tcon.c | 229 |
2 files changed, 242 insertions, 0 deletions
diff --git a/source3/libsmb/smb2cli.h b/source3/libsmb/smb2cli.h index b32598f866..8eeeeac00f 100644 --- a/source3/libsmb/smb2cli.h +++ b/source3/libsmb/smb2cli.h @@ -42,4 +42,17 @@ struct tevent_req *smb2cli_logoff_send(TALLOC_CTX *mem_ctx, NTSTATUS smb2cli_logoff_recv(struct tevent_req *req); NTSTATUS smb2cli_logoff(struct cli_state *cli); +struct tevent_req *smb2cli_tcon_send(TALLOC_CTX *mem_ctx, + struct tevent_context *ev, + struct cli_state *cli, + const char *share); +NTSTATUS smb2cli_tcon_recv(struct tevent_req *req); +NTSTATUS smb2cli_tcon(struct cli_state *cli, const char *share); + +struct tevent_req *smb2cli_tdis_send(TALLOC_CTX *mem_ctx, + struct tevent_context *ev, + struct cli_state *cli); +NTSTATUS smb2cli_tdis_recv(struct tevent_req *req); +NTSTATUS smb2cli_tdis(struct cli_state *cli); + #endif /* __SMB2CLI_H__ */ diff --git a/source3/libsmb/smb2cli_tcon.c b/source3/libsmb/smb2cli_tcon.c new file mode 100644 index 0000000000..46d787e161 --- /dev/null +++ b/source3/libsmb/smb2cli_tcon.c @@ -0,0 +1,229 @@ +/* + 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_tcon_state { + struct cli_state *cli; + uint8_t fixed[8]; +}; + +static void smb2cli_tcon_done(struct tevent_req *subreq); + +struct tevent_req *smb2cli_tcon_send(TALLOC_CTX *mem_ctx, + struct tevent_context *ev, + struct cli_state *cli, + const char *share) +{ + struct tevent_req *req, *subreq; + struct smb2cli_tcon_state *state; + uint8_t *fixed; + char srv_ip[INET6_ADDRSTRLEN]; + const char *tcon_share; + uint8_t *dyn; + size_t dyn_len; + + req = tevent_req_create(mem_ctx, &state, struct smb2cli_tcon_state); + if (req == NULL) { + return NULL; + } + state->cli = cli; + + print_sockaddr(srv_ip, sizeof(srv_ip), &cli->dest_ss); + + tcon_share = talloc_asprintf(talloc_tos(), "\\\\%s\\%s", + srv_ip, share); + if (tevent_req_nomem(tcon_share, req)) { + return tevent_req_post(req, ev); + } + if (!convert_string_talloc(state, CH_UNIX, CH_UTF16, + tcon_share, talloc_get_size(tcon_share), + &dyn, &dyn_len)) { + tevent_req_nomem(NULL, req); + return tevent_req_post(req, ev); + } + + fixed = state->fixed; + SSVAL(fixed, 0, 9); + SSVAL(fixed, 4, SMB2_HDR_BODY + 8); + SSVAL(fixed, 6, dyn_len); + + subreq = smb2cli_req_send(state, ev, cli, SMB2_OP_TCON, 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_tcon_done, req); + return req; +} + +static void smb2cli_tcon_done(struct tevent_req *subreq) +{ + struct tevent_req *req = tevent_req_callback_data( + subreq, struct tevent_req); + struct smb2cli_tcon_state *state = tevent_req_data( + req, struct smb2cli_tcon_state); + struct cli_state *cli = state->cli; + NTSTATUS status; + struct iovec *iov; + uint8_t *body; + + status = smb2cli_req_recv(subreq, talloc_tos(), &iov, 16); + if (!NT_STATUS_IS_OK(status)) { + TALLOC_FREE(subreq); + tevent_req_nterror(req, status); + return; + } + + cli->smb2.tid = IVAL(iov[0].iov_base, SMB2_HDR_TID); + + body = (uint8_t *)iov[1].iov_base; + cli->smb2.share_type = CVAL(body, 2); + cli->smb2.share_flags = IVAL(body, 4); + cli->capabilities = IVAL(body, 8); + cli->smb2.maximal_access = IVAL(body, 12); + + TALLOC_FREE(subreq); + tevent_req_done(req); +} + +NTSTATUS smb2cli_tcon_recv(struct tevent_req *req) +{ + return tevent_req_simple_recv_ntstatus(req); +} + +NTSTATUS smb2cli_tcon(struct cli_state *cli, const char *share) +{ + 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_tcon_send(frame, ev, cli, share); + if (req == NULL) { + goto fail; + } + if (!tevent_req_poll_ntstatus(req, ev, &status)) { + goto fail; + } + status = smb2cli_tcon_recv(req); + fail: + TALLOC_FREE(frame); + return status; +} + +struct smb2cli_tdis_state { + uint8_t fixed[4]; +}; + +static void smb2cli_tdis_done(struct tevent_req *subreq); + +struct tevent_req *smb2cli_tdis_send(TALLOC_CTX *mem_ctx, + struct tevent_context *ev, + struct cli_state *cli) +{ + struct tevent_req *req, *subreq; + struct smb2cli_tdis_state *state; + + req = tevent_req_create(mem_ctx, &state, + struct smb2cli_tdis_state); + if (req == NULL) { + return NULL; + } + SSVAL(state->fixed, 0, 4); + + subreq = smb2cli_req_send(state, ev, cli, SMB2_OP_TDIS, 0, + state->fixed, sizeof(state->fixed), + NULL, 0); + if (tevent_req_nomem(subreq, req)) { + return tevent_req_post(req, ev); + } + tevent_req_set_callback(subreq, smb2cli_tdis_done, req); + return req; +} + +static void smb2cli_tdis_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, 4); + TALLOC_FREE(subreq); + if (tevent_req_nterror(req, status)) { + return; + } + tevent_req_done(req); +} + +NTSTATUS smb2cli_tdis_recv(struct tevent_req *req) +{ + return tevent_req_simple_recv_ntstatus(req); +} + +NTSTATUS smb2cli_tdis(struct cli_state *cli) +{ + 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_tdis_send(frame, ev, cli); + if (req == NULL) { + goto fail; + } + if (!tevent_req_poll_ntstatus(req, ev, &status)) { + goto fail; + } + status = smb2cli_tdis_recv(req); + fail: + TALLOC_FREE(frame); + return status; +} |