/* Unix SMB/CIFS implementation. client security descriptor functions Copyright (C) Andrew Tridgell 2000 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" /**************************************************************************** query the security descriptor for a open file ****************************************************************************/ SEC_DESC *cli_query_secdesc(struct cli_state *cli, uint16_t fnum, TALLOC_CTX *mem_ctx) { uint8_t param[8]; uint8_t *rdata=NULL; uint32_t rdata_count=0; SEC_DESC *psd = NULL; NTSTATUS status; SIVAL(param, 0, fnum); SIVAL(param, 4, 0x7); status = cli_trans(talloc_tos(), cli, SMBnttrans, NULL, -1, /* name, fid */ NT_TRANSACT_QUERY_SECURITY_DESC, 0, /* function, flags */ NULL, 0, 0, /* setup, length, max */ param, 8, 4, /* param, length, max */ NULL, 0, 0x10000, /* data, length, max */ NULL, 0, NULL, /* rsetup, length */ NULL, 0, NULL, &rdata, 0, &rdata_count); if (!NT_STATUS_IS_OK(status)) { DEBUG(1, ("NT_TRANSACT_QUERY_SECURITY_DESC failed: %s\n", nt_errstr(status))); goto cleanup; } status = unmarshall_sec_desc(mem_ctx, (uint8 *)rdata, rdata_count, &psd); if (!NT_STATUS_IS_OK(status)) { DEBUG(10, ("unmarshall_sec_desc failed: %s\n", nt_errstr(status))); goto cleanup; } cleanup: TALLOC_FREE(rdata); return psd; } /**************************************************************************** set the security descriptor for a open file ****************************************************************************/ bool cli_set_secdesc(struct cli_state *cli, uint16_t fnum, SEC_DESC *sd) { char param[8]; char *rparam=NULL, *rdata=NULL; unsigned int rparam_count=0, rdata_count=0; uint32 sec_info = 0; TALLOC_CTX *frame = talloc_stackframe(); bool ret = False; uint8 *data; size_t len; NTSTATUS status; status = marshall_sec_desc(talloc_tos(), sd, &data, &len); if (!NT_STATUS_IS_OK(status)) { DEBUG(10, ("marshall_sec_desc failed: %s\n", nt_errstr(status))); goto cleanup; } SIVAL(param, 0, fnum); if (sd->dacl) sec_info |= DACL_SECURITY_INFORMATION; if (sd->owner_sid) sec_info |= OWNER_SECURITY_INFORMATION; if (sd->group_sid) sec_info |= GROUP_SECURITY_INFORMATION; SSVAL(param, 4, sec_info); if (!cli_send_nt_trans(cli, NT_TRANSACT_SET_SECURITY_DESC, 0, NULL, 0, 0, param, 8, 0, (char *)data, len, 0)) { DEBUG(1,("Failed to send NT_TRANSACT_SET_SECURITY_DESC\n")); goto cleanup; } if (!cli_receive_nt_trans(cli, &rparam, &rparam_count, &rdata, &rdata_count)) { DEBUG(1,("NT_TRANSACT_SET_SECURITY_DESC failed\n")); goto cleanup; } ret = True; cleanup: SAFE_FREE(rparam); SAFE_FREE(rdata); TALLOC_FREE(frame); return ret; }