diff options
Diffstat (limited to 'source3/libsmb')
| -rw-r--r-- | source3/libsmb/clifile.c | 170 |
1 files changed, 130 insertions, 40 deletions
diff --git a/source3/libsmb/clifile.c b/source3/libsmb/clifile.c index 187fcdf625..be2e81204d 100644 --- a/source3/libsmb/clifile.c +++ b/source3/libsmb/clifile.c @@ -453,7 +453,6 @@ NTSTATUS cli_posix_readlink(struct cli_state *cli, const char *fname, return status; } - /**************************************************************************** Hard link a file (UNIX extensions). ****************************************************************************/ @@ -624,58 +623,149 @@ static mode_t unix_filetype_from_wire(uint32_t wire_type) Do a POSIX getfacl (UNIX extensions). ****************************************************************************/ -bool cli_unix_getfacl(struct cli_state *cli, const char *name, size_t *prb_size, char **retbuf) +struct getfacl_state { + uint16_t setup; + uint8_t *param; + uint32_t num_data; + uint8_t *data; +}; + +static void cli_posix_getfacl_done(struct tevent_req *subreq) { - unsigned int param_len = 0; - unsigned int data_len = 0; - uint16_t setup = TRANSACT2_QPATHINFO; - char *param; - size_t nlen = 2*(strlen(name)+1); - char *rparam=NULL, *rdata=NULL; - char *p; + struct tevent_req *req = tevent_req_callback_data( + subreq, struct tevent_req); + struct getfacl_state *state = tevent_req_data(req, struct getfacl_state); + NTSTATUS status; - param = SMB_MALLOC_ARRAY(char, 6+nlen+2); - if (!param) { - return false; + status = cli_trans_recv(subreq, state, NULL, NULL, NULL, NULL, + &state->data, &state->num_data); + TALLOC_FREE(subreq); + if (!NT_STATUS_IS_OK(status)) { + tevent_req_nterror(req, status); + return; } + tevent_req_done(req); +} - p = param; - memset(p, '\0', 6); - SSVAL(p, 0, SMB_QUERY_POSIX_ACL); - p += 6; - p += clistr_push(cli, p, name, nlen, STR_TERMINATE); - param_len = PTR_DIFF(p, param); +struct tevent_req *cli_posix_getfacl_send(TALLOC_CTX *mem_ctx, + struct event_context *ev, + struct cli_state *cli, + const char *fname) +{ + struct tevent_req *req = NULL, *subreq = NULL; + struct link_state *state = NULL; - if (!cli_send_trans(cli, SMBtrans2, - NULL, /* name */ - -1, 0, /* fid, flags */ - &setup, 1, 0, /* setup, length, max */ - param, param_len, 2, /* param, length, max */ - NULL, 0, cli->max_xmit /* data, length, max */ - )) { - SAFE_FREE(param); - return false; + req = tevent_req_create(mem_ctx, &state, struct getfacl_state); + if (req == NULL) { + return NULL; } - SAFE_FREE(param); + /* Setup setup word. */ + SSVAL(&state->setup, 0, TRANSACT2_QPATHINFO); - if (!cli_receive_trans(cli, SMBtrans2, - &rparam, ¶m_len, - &rdata, &data_len)) { - return false; + /* Setup param array. */ + state->param = talloc_array(state, uint8_t, 6); + if (tevent_req_nomem(state->param, req)) { + return tevent_req_post(req, ev); } + memset(state->param, '\0', 6); + SSVAL(state->param, 0, SMB_QUERY_POSIX_ACL); - if (data_len < 6) { - SAFE_FREE(rdata); - SAFE_FREE(rparam); - return false; + state->param = trans2_bytes_push_str(state->param, cli_ucs2(cli), fname, + strlen(fname)+1, NULL); + + if (tevent_req_nomem(state->param, req)) { + return tevent_req_post(req, ev); } - SAFE_FREE(rparam); - *retbuf = rdata; - *prb_size = (size_t)data_len; + subreq = cli_trans_send(state, /* mem ctx. */ + ev, /* event ctx. */ + cli, /* cli_state. */ + SMBtrans2, /* cmd. */ + NULL, /* pipe name. */ + -1, /* fid. */ + 0, /* function. */ + 0, /* flags. */ + &state->setup, /* setup. */ + 1, /* num setup uint16_t words. */ + 0, /* max returned setup. */ + state->param, /* param. */ + talloc_get_size(state->param), /* num param. */ + 2, /* max returned param. */ + NULL, /* data. */ + 0, /* num data. */ + cli->max_xmit); /* max returned data. */ - return true; + if (tevent_req_nomem(subreq, req)) { + return tevent_req_post(req, ev); + } + tevent_req_set_callback(subreq, cli_posix_getfacl_done, req); + return req; +} + +NTSTATUS cli_posix_getfacl_recv(struct tevent_req *req, + TALLOC_CTX *mem_ctx, + size_t *prb_size, + char **retbuf) +{ + struct getfacl_state *state = tevent_req_data(req, struct getfacl_state); + NTSTATUS status; + + if (tevent_req_is_nterror(req, &status)) { + return status; + } + *prb_size = (size_t)state->num_data; + *retbuf = (char *)talloc_move(mem_ctx, &state->data); + return NT_STATUS_OK; +} + +NTSTATUS cli_posix_getfacl(struct cli_state *cli, + const char *fname, + TALLOC_CTX *mem_ctx, + size_t *prb_size, + char **retbuf) +{ + TALLOC_CTX *frame = talloc_stackframe(); + struct event_context *ev = NULL; + struct tevent_req *req = NULL; + NTSTATUS status = NT_STATUS_OK; + + 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) { + status = NT_STATUS_NO_MEMORY; + goto fail; + } + + req = cli_posix_getfacl_send(frame, + ev, + cli, + fname); + if (req == NULL) { + status = NT_STATUS_NO_MEMORY; + goto fail; + } + + if (!tevent_req_poll(req, ev)) { + status = map_nt_error_from_unix(errno); + goto fail; + } + + status = cli_posix_getfacl_recv(req, mem_ctx, prb_size, retbuf); + + fail: + TALLOC_FREE(frame); + if (!NT_STATUS_IS_OK(status)) { + cli_set_error(cli, status); + } + return status; } /**************************************************************************** |