mirror of
https://github.com/samba-team/samba.git
synced 2025-02-02 09:47:23 +03:00
Make cli_posix_stat() async.
Jeremy.
This commit is contained in:
Jeremy Allison
parent
fbca269239
commit
656e86d5fa
@ -3037,7 +3037,7 @@ static int cmd_getfacl(void)
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return 1;
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}
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if (!cli_unix_stat(targetcli, targetname, &sbuf)) {
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if (!NT_STATUS_IS_OK(cli_posix_stat(targetcli, targetname, &sbuf))) {
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d_printf("%s getfacl doing a stat on file %s\n",
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cli_errstr(targetcli), src);
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return 1;
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@ -3188,7 +3188,7 @@ static int cmd_stat(void)
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return 1;
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}
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if (!cli_unix_stat(targetcli, targetname, &sbuf)) {
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if (!NT_STATUS_IS_OK(cli_posix_stat(targetcli, targetname, &sbuf))) {
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d_printf("%s stat file %s\n",
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cli_errstr(targetcli), src);
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return 1;
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@ -2374,7 +2374,15 @@ NTSTATUS cli_posix_getfacl(struct cli_state *cli,
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TALLOC_CTX *mem_ctx,
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size_t *prb_size,
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char **retbuf);
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bool cli_unix_stat(struct cli_state *cli, const char *name, SMB_STRUCT_STAT *sbuf);
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struct tevent_req *cli_posix_stat_send(TALLOC_CTX *mem_ctx,
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struct event_context *ev,
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struct cli_state *cli,
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const char *fname);
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NTSTATUS cli_posix_stat_recv(struct tevent_req *req,
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SMB_STRUCT_STAT *sbuf);
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NTSTATUS cli_posix_stat(struct cli_state *cli,
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const char *fname,
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SMB_STRUCT_STAT *sbuf);
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bool cli_unix_chmod(struct cli_state *cli, const char *fname, mode_t mode);
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bool cli_unix_chown(struct cli_state *cli, const char *fname, uid_t uid, gid_t gid);
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struct tevent_req *cli_rename_send(TALLOC_CTX *mem_ctx,
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@ -772,85 +772,176 @@ NTSTATUS cli_posix_getfacl(struct cli_state *cli,
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Stat a file (UNIX extensions).
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****************************************************************************/
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bool cli_unix_stat(struct cli_state *cli, const char *name, SMB_STRUCT_STAT *sbuf)
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struct stat_state {
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uint16_t setup;
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uint8_t *param;
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uint32_t num_data;
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uint8_t *data;
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};
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static void cli_posix_stat_done(struct tevent_req *subreq)
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{
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unsigned int param_len = 0;
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unsigned int data_len = 0;
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uint16_t setup = TRANSACT2_QPATHINFO;
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char *param;
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size_t nlen = 2*(strlen(name)+1);
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char *rparam=NULL, *rdata=NULL;
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char *p;
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struct tevent_req *req = tevent_req_callback_data(
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subreq, struct tevent_req);
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struct stat_state *state = tevent_req_data(req, struct stat_state);
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NTSTATUS status;
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ZERO_STRUCTP(sbuf);
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param = SMB_MALLOC_ARRAY(char, 6+nlen+2);
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if (!param) {
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return false;
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status = cli_trans_recv(subreq, state, NULL, NULL, NULL, NULL,
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&state->data, &state->num_data);
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TALLOC_FREE(subreq);
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if (!NT_STATUS_IS_OK(status)) {
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tevent_req_nterror(req, status);
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return;
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}
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p = param;
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memset(p, '\0', 6);
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SSVAL(p, 0, SMB_QUERY_FILE_UNIX_BASIC);
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p += 6;
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p += clistr_push(cli, p, name, nlen, STR_TERMINATE);
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param_len = PTR_DIFF(p, param);
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tevent_req_done(req);
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}
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if (!cli_send_trans(cli, SMBtrans2,
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NULL, /* name */
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-1, 0, /* fid, flags */
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&setup, 1, 0, /* setup, length, max */
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param, param_len, 2, /* param, length, max */
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NULL, 0, cli->max_xmit /* data, length, max */
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)) {
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SAFE_FREE(param);
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return false;
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struct tevent_req *cli_posix_stat_send(TALLOC_CTX *mem_ctx,
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struct event_context *ev,
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struct cli_state *cli,
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const char *fname)
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{
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struct tevent_req *req = NULL, *subreq = NULL;
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struct stat_state *state = NULL;
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req = tevent_req_create(mem_ctx, &state, struct stat_state);
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if (req == NULL) {
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return NULL;
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}
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SAFE_FREE(param);
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/* Setup setup word. */
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SSVAL(&state->setup, 0, TRANSACT2_QPATHINFO);
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if (!cli_receive_trans(cli, SMBtrans2,
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&rparam, ¶m_len,
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&rdata, &data_len)) {
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return false;
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/* Setup param array. */
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state->param = talloc_array(state, uint8_t, 6);
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if (tevent_req_nomem(state->param, req)) {
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return tevent_req_post(req, ev);
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}
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memset(state->param, '\0', 6);
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SSVAL(state->param, 0, SMB_QUERY_FILE_UNIX_BASIC);
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state->param = trans2_bytes_push_str(state->param, cli_ucs2(cli), fname,
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strlen(fname)+1, NULL);
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if (tevent_req_nomem(state->param, req)) {
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return tevent_req_post(req, ev);
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}
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if (data_len < 96) {
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SAFE_FREE(rdata);
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SAFE_FREE(rparam);
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return false;
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subreq = cli_trans_send(state, /* mem ctx. */
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ev, /* event ctx. */
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cli, /* cli_state. */
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SMBtrans2, /* cmd. */
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NULL, /* pipe name. */
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-1, /* fid. */
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0, /* function. */
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0, /* flags. */
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&state->setup, /* setup. */
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1, /* num setup uint16_t words. */
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0, /* max returned setup. */
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state->param, /* param. */
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talloc_get_size(state->param), /* num param. */
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2, /* max returned param. */
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NULL, /* data. */
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0, /* num data. */
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96); /* max returned data. */
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if (tevent_req_nomem(subreq, req)) {
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return tevent_req_post(req, ev);
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}
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tevent_req_set_callback(subreq, cli_posix_stat_done, req);
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return req;
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}
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NTSTATUS cli_posix_stat_recv(struct tevent_req *req,
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SMB_STRUCT_STAT *sbuf)
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{
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struct stat_state *state = tevent_req_data(req, struct stat_state);
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NTSTATUS status;
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if (tevent_req_is_nterror(req, &status)) {
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return status;
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}
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sbuf->st_ex_size = IVAL2_TO_SMB_BIG_UINT(rdata,0); /* total size, in bytes */
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sbuf->st_ex_blocks = IVAL2_TO_SMB_BIG_UINT(rdata,8); /* number of blocks allocated */
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if (state->num_data != 96) {
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return NT_STATUS_DATA_ERROR;
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}
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sbuf->st_ex_size = IVAL2_TO_SMB_BIG_UINT(state->data,0); /* total size, in bytes */
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sbuf->st_ex_blocks = IVAL2_TO_SMB_BIG_UINT(state->data,8); /* number of blocks allocated */
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#if defined (HAVE_STAT_ST_BLOCKS) && defined(STAT_ST_BLOCKSIZE)
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sbuf->st_ex_blocks /= STAT_ST_BLOCKSIZE;
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#else
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/* assume 512 byte blocks */
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sbuf->st_ex_blocks /= 512;
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#endif
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sbuf->st_ex_ctime = interpret_long_date(rdata + 16); /* time of last change */
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sbuf->st_ex_atime = interpret_long_date(rdata + 24); /* time of last access */
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sbuf->st_ex_mtime = interpret_long_date(rdata + 32); /* time of last modification */
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sbuf->st_ex_ctime = interpret_long_date((char *)(state->data + 16)); /* time of last change */
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sbuf->st_ex_atime = interpret_long_date((char *)(state->data + 24)); /* time of last access */
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sbuf->st_ex_mtime = interpret_long_date((char *)(state->data + 32)); /* time of last modification */
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sbuf->st_ex_uid = (uid_t) IVAL(rdata,40); /* user ID of owner */
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sbuf->st_ex_gid = (gid_t) IVAL(rdata,48); /* group ID of owner */
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sbuf->st_ex_mode |= unix_filetype_from_wire(IVAL(rdata, 56));
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sbuf->st_ex_uid = (uid_t) IVAL(state->data,40); /* user ID of owner */
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sbuf->st_ex_gid = (gid_t) IVAL(state->data,48); /* group ID of owner */
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sbuf->st_ex_mode = unix_filetype_from_wire(IVAL(state->data, 56));
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#if defined(HAVE_MAKEDEV)
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{
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uint32_t dev_major = IVAL(rdata,60);
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uint32_t dev_minor = IVAL(rdata,68);
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uint32_t dev_major = IVAL(state->data,60);
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uint32_t dev_minor = IVAL(state->data,68);
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sbuf->st_ex_rdev = makedev(dev_major, dev_minor);
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}
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#endif
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sbuf->st_ex_ino = (SMB_INO_T)IVAL2_TO_SMB_BIG_UINT(rdata,76); /* inode */
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sbuf->st_ex_mode |= wire_perms_to_unix(IVAL(rdata,84)); /* protection */
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sbuf->st_ex_nlink = IVAL(rdata,92); /* number of hard links */
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sbuf->st_ex_ino = (SMB_INO_T)IVAL2_TO_SMB_BIG_UINT(state->data,76); /* inode */
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sbuf->st_ex_mode |= wire_perms_to_unix(IVAL(state->data,84)); /* protection */
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sbuf->st_ex_nlink = IVAL(state->data,92); /* number of hard links */
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SAFE_FREE(rdata);
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SAFE_FREE(rparam);
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return true;
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return NT_STATUS_OK;
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}
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NTSTATUS cli_posix_stat(struct cli_state *cli,
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const char *fname,
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SMB_STRUCT_STAT *sbuf)
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{
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TALLOC_CTX *frame = talloc_stackframe();
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struct event_context *ev = NULL;
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struct tevent_req *req = NULL;
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NTSTATUS status = NT_STATUS_OK;
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if (cli_has_async_calls(cli)) {
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/*
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* Can't use sync call while an async call is in flight
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*/
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status = NT_STATUS_INVALID_PARAMETER;
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goto fail;
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}
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ev = event_context_init(frame);
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if (ev == NULL) {
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status = NT_STATUS_NO_MEMORY;
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goto fail;
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}
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req = cli_posix_stat_send(frame,
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ev,
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cli,
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fname);
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if (req == NULL) {
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status = NT_STATUS_NO_MEMORY;
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goto fail;
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}
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if (!tevent_req_poll(req, ev)) {
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status = map_nt_error_from_unix(errno);
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goto fail;
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}
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status = cli_posix_stat_recv(req, sbuf);
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fail:
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TALLOC_FREE(frame);
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if (!NT_STATUS_IS_OK(status)) {
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cli_set_error(cli, status);
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}
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return status;
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}
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/****************************************************************************
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Chmod or chown a file internal (UNIX extensions).
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****************************************************************************/
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