Initial import

[samba] / source / libsmb / clisecdesc.c

diff --git a/source/libsmb/clisecdesc.c b/source/libsmb/clisecdesc.c
new file mode 100644 (file)
index 0000000..2475743
--- /dev/null
+++ b/source/libsmb/clisecdesc.c
@@ -0,0 +1,147 @@
+/* 
+   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 2 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, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "includes.h"
+
+/****************************************************************************
+  query the security descriptor for a open file
+ ****************************************************************************/
+SEC_DESC *cli_query_secdesc(struct cli_state *cli, int fnum, 
+                           TALLOC_CTX *mem_ctx)
+{
+       char param[8];
+       char *rparam=NULL, *rdata=NULL;
+       unsigned int rparam_count=0, rdata_count=0;
+       prs_struct pd;
+       BOOL pd_initialized = False;
+       SEC_DESC *psd = NULL;
+
+       SIVAL(param, 0, fnum);
+       SIVAL(param, 4, 0x7);
+
+       if (!cli_send_nt_trans(cli, 
+                              NT_TRANSACT_QUERY_SECURITY_DESC, 
+                              0, 
+                              NULL, 0, 0,
+                              param, 8, 4,
+                              NULL, 0, 0x10000)) {
+               DEBUG(1,("Failed to send NT_TRANSACT_QUERY_SECURITY_DESC\n"));
+               goto cleanup;
+       }
+
+
+       if (!cli_receive_nt_trans(cli, 
+                                 &rparam, &rparam_count,
+                                 &rdata, &rdata_count)) {
+               DEBUG(1,("Failed to recv NT_TRANSACT_QUERY_SECURITY_DESC\n"));
+               goto cleanup;
+       }
+
+       if (cli_is_error(cli))
+               goto cleanup;
+
+       if (!prs_init(&pd, rdata_count, mem_ctx, UNMARSHALL)) {
+               goto cleanup;
+       }
+       pd_initialized = True;
+       prs_copy_data_in(&pd, rdata, rdata_count);
+       prs_set_offset(&pd,0);
+
+       if (!sec_io_desc("sd data", &psd, &pd, 1)) {
+               DEBUG(1,("Failed to parse secdesc\n"));
+               goto cleanup;
+       }
+
+ cleanup:
+
+       SAFE_FREE(rparam);
+       SAFE_FREE(rdata);
+
+       if (pd_initialized)
+               prs_mem_free(&pd);
+       return psd;
+}
+
+/****************************************************************************
+  set the security descriptor for a open file
+ ****************************************************************************/
+BOOL cli_set_secdesc(struct cli_state *cli, int 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 *mem_ctx;
+       prs_struct pd;
+       BOOL ret = False;
+
+       if ((mem_ctx = talloc_init("cli_set_secdesc")) == NULL) {
+               DEBUG(0,("talloc_init failed.\n"));
+               goto cleanup;
+       }
+
+       prs_init(&pd, 0, mem_ctx, MARSHALL);
+       prs_give_memory(&pd, NULL, 0, True);
+
+       if (!sec_io_desc("sd data", &sd, &pd, 1)) {
+               DEBUG(1,("Failed to marshall secdesc\n"));
+               goto cleanup;
+       }
+
+       SIVAL(param, 0, fnum);
+
+       if (sd->off_dacl)
+               sec_info |= DACL_SECURITY_INFORMATION;
+       if (sd->off_owner_sid)
+               sec_info |= OWNER_SECURITY_INFORMATION;
+       if (sd->off_grp_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,
+                              prs_data_p(&pd), prs_offset(&pd), 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_destroy(mem_ctx);
+
+       prs_mem_free(&pd);
+       return ret;
+}