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authorJeremy Allison <jra@samba.org>2009-05-28 13:05:50 -0700
committerJeremy Allison <jra@samba.org>2009-05-28 13:05:50 -0700
commitd74e42e0eca0bb15c12fa51f125d905a6cee5db5 (patch)
tree24b10da26975ecd002d4a6bbacc0447aafece304 /source3/libsmb
parentde4c13ca682671d46d9d6512f84670c88b2e7837 (diff)
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Make getfacl async.
Jeremy.
Diffstat (limited to 'source3/libsmb')
-rw-r--r--source3/libsmb/clifile.c170
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, &param_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;
}
/****************************************************************************