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c5be94c5da
Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Michael Adam <obnox@samba.org> Autobuild-User(master): Michael Adam <obnox@samba.org> Autobuild-Date(master): Fri Jun 26 22:35:02 CEST 2015 on sn-devel-104
2378 lines
85 KiB
C
2378 lines
85 KiB
C
/*
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Unix SMB/Netbios implementation.
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SMB client library implementation
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Copyright (C) Andrew Tridgell 1998
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Copyright (C) Richard Sharpe 2000, 2002
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Copyright (C) John Terpstra 2000
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Copyright (C) Tom Jansen (Ninja ISD) 2002
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Copyright (C) Derrell Lipman 2003-2008
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Copyright (C) Jeremy Allison 2007, 2008
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "includes.h"
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#include "libsmb/libsmb.h"
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#include "libsmbclient.h"
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#include "libsmb_internal.h"
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#include "../librpc/gen_ndr/ndr_lsa.h"
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#include "rpc_client/rpc_client.h"
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#include "rpc_client/cli_lsarpc.h"
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#include "../libcli/security/security.h"
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/*
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* Find an lsa pipe handle associated with a cli struct.
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*/
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static struct rpc_pipe_client *
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find_lsa_pipe_hnd(struct cli_state *ipc_cli)
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{
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struct rpc_pipe_client *pipe_hnd;
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for (pipe_hnd = ipc_cli->pipe_list;
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pipe_hnd;
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pipe_hnd = pipe_hnd->next) {
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if (ndr_syntax_id_equal(&pipe_hnd->abstract_syntax,
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&ndr_table_lsarpc.syntax_id)) {
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return pipe_hnd;
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}
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}
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return NULL;
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}
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/*
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* Sort ACEs according to the documentation at
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* http://support.microsoft.com/kb/269175, at least as far as it defines the
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* order.
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*/
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static int
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ace_compare(struct security_ace *ace1,
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struct security_ace *ace2)
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{
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bool b1;
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bool b2;
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/* If the ACEs are equal, we have nothing more to do. */
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if (security_ace_equal(ace1, ace2)) {
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return 0;
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}
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/* Inherited follow non-inherited */
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b1 = ((ace1->flags & SEC_ACE_FLAG_INHERITED_ACE) != 0);
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b2 = ((ace2->flags & SEC_ACE_FLAG_INHERITED_ACE) != 0);
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if (b1 != b2) {
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return (b1 ? 1 : -1);
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}
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/*
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* What shall we do with AUDITs and ALARMs? It's undefined. We'll
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* sort them after DENY and ALLOW.
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*/
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b1 = (ace1->type != SEC_ACE_TYPE_ACCESS_ALLOWED &&
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ace1->type != SEC_ACE_TYPE_ACCESS_ALLOWED_OBJECT &&
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ace1->type != SEC_ACE_TYPE_ACCESS_DENIED &&
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ace1->type != SEC_ACE_TYPE_ACCESS_DENIED_OBJECT);
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b2 = (ace2->type != SEC_ACE_TYPE_ACCESS_ALLOWED &&
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ace2->type != SEC_ACE_TYPE_ACCESS_ALLOWED_OBJECT &&
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ace2->type != SEC_ACE_TYPE_ACCESS_DENIED &&
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ace2->type != SEC_ACE_TYPE_ACCESS_DENIED_OBJECT);
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if (b1 != b2) {
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return (b1 ? 1 : -1);
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}
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/* Allowed ACEs follow denied ACEs */
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b1 = (ace1->type == SEC_ACE_TYPE_ACCESS_ALLOWED ||
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ace1->type == SEC_ACE_TYPE_ACCESS_ALLOWED_OBJECT);
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b2 = (ace2->type == SEC_ACE_TYPE_ACCESS_ALLOWED ||
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ace2->type == SEC_ACE_TYPE_ACCESS_ALLOWED_OBJECT);
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if (b1 != b2) {
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return (b1 ? 1 : -1);
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}
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/*
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* ACEs applying to an entity's object follow those applying to the
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* entity itself
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*/
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b1 = (ace1->type == SEC_ACE_TYPE_ACCESS_ALLOWED_OBJECT ||
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ace1->type == SEC_ACE_TYPE_ACCESS_DENIED_OBJECT);
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b2 = (ace2->type == SEC_ACE_TYPE_ACCESS_ALLOWED_OBJECT ||
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ace2->type == SEC_ACE_TYPE_ACCESS_DENIED_OBJECT);
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if (b1 != b2) {
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return (b1 ? 1 : -1);
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}
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/*
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* If we get this far, the ACEs are similar as far as the
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* characteristics we typically care about (those defined by the
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* referenced MS document). We'll now sort by characteristics that
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* just seems reasonable.
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*/
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if (ace1->type != ace2->type) {
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return ace2->type - ace1->type;
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}
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if (dom_sid_compare(&ace1->trustee, &ace2->trustee)) {
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return dom_sid_compare(&ace1->trustee, &ace2->trustee);
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}
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if (ace1->flags != ace2->flags) {
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return ace1->flags - ace2->flags;
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}
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if (ace1->access_mask != ace2->access_mask) {
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return ace1->access_mask - ace2->access_mask;
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}
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if (ace1->size != ace2->size) {
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return ace1->size - ace2->size;
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}
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return memcmp(ace1, ace2, sizeof(struct security_ace));
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}
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static void
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sort_acl(struct security_acl *the_acl)
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{
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uint32_t i;
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if (!the_acl) return;
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TYPESAFE_QSORT(the_acl->aces, the_acl->num_aces, ace_compare);
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for (i=1;i<the_acl->num_aces;) {
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if (security_ace_equal(&the_acl->aces[i-1],
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&the_acl->aces[i])) {
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int j;
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for (j=i; j<the_acl->num_aces-1; j++) {
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the_acl->aces[j] = the_acl->aces[j+1];
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}
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the_acl->num_aces--;
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} else {
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i++;
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}
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}
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}
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/* convert a SID to a string, either numeric or username/group */
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static void
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convert_sid_to_string(struct cli_state *ipc_cli,
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struct policy_handle *pol,
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fstring str,
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bool numeric,
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struct dom_sid *sid)
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{
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char **domains = NULL;
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char **names = NULL;
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enum lsa_SidType *types = NULL;
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struct rpc_pipe_client *pipe_hnd = find_lsa_pipe_hnd(ipc_cli);
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TALLOC_CTX *ctx;
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sid_to_fstring(str, sid);
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if (numeric) {
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return; /* no lookup desired */
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}
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if (!pipe_hnd) {
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return;
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}
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/* Ask LSA to convert the sid to a name */
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ctx = talloc_stackframe();
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if (!NT_STATUS_IS_OK(rpccli_lsa_lookup_sids(pipe_hnd, ctx,
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pol, 1, sid, &domains,
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&names, &types)) ||
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!domains || !domains[0] || !names || !names[0]) {
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TALLOC_FREE(ctx);
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return;
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}
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/* Converted OK */
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fstr_sprintf(str, "%s%s%s",
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domains[0], lp_winbind_separator(), names[0]);
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TALLOC_FREE(ctx);
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}
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/* convert a string to a SID, either numeric or username/group */
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static bool
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convert_string_to_sid(struct cli_state *ipc_cli,
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struct policy_handle *pol,
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bool numeric,
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struct dom_sid *sid,
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const char *str)
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{
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enum lsa_SidType *types = NULL;
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struct dom_sid *sids = NULL;
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bool result = True;
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TALLOC_CTX *ctx = NULL;
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struct rpc_pipe_client *pipe_hnd = find_lsa_pipe_hnd(ipc_cli);
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if (!pipe_hnd) {
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return False;
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}
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if (numeric) {
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if (strncmp(str, "S-", 2) == 0) {
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return string_to_sid(sid, str);
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}
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result = False;
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goto done;
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}
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ctx = talloc_stackframe();
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if (!NT_STATUS_IS_OK(rpccli_lsa_lookup_names(pipe_hnd, ctx,
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pol, 1, &str,
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NULL, 1, &sids,
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&types))) {
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result = False;
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goto done;
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}
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sid_copy(sid, &sids[0]);
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done:
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TALLOC_FREE(ctx);
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return result;
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}
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/* parse an struct security_ace in the same format as print_ace() */
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static bool
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parse_ace(struct cli_state *ipc_cli,
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struct policy_handle *pol,
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struct security_ace *ace,
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bool numeric,
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char *str)
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{
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char *p;
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const char *cp;
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char *tok;
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unsigned int atype;
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unsigned int aflags;
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unsigned int amask;
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struct dom_sid sid;
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uint32_t mask;
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const struct perm_value *v;
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struct perm_value {
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const char perm[7];
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uint32_t mask;
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};
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TALLOC_CTX *frame = talloc_stackframe();
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/* These values discovered by inspection */
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static const struct perm_value special_values[] = {
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{ "R", 0x00120089 },
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{ "W", 0x00120116 },
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{ "X", 0x001200a0 },
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{ "D", 0x00010000 },
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{ "P", 0x00040000 },
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{ "O", 0x00080000 },
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{ "", 0 },
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};
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static const struct perm_value standard_values[] = {
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{ "READ", 0x001200a9 },
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{ "CHANGE", 0x001301bf },
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{ "FULL", 0x001f01ff },
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{ "", 0 },
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};
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ZERO_STRUCTP(ace);
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p = strchr_m(str,':');
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if (!p) {
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TALLOC_FREE(frame);
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return False;
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}
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*p = '\0';
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p++;
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/* Try to parse numeric form */
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if (sscanf(p, "%u/%u/%u", &atype, &aflags, &amask) == 3 &&
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convert_string_to_sid(ipc_cli, pol, numeric, &sid, str)) {
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goto done;
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}
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/* Try to parse text form */
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if (!convert_string_to_sid(ipc_cli, pol, numeric, &sid, str)) {
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TALLOC_FREE(frame);
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return false;
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}
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cp = p;
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if (!next_token_talloc(frame, &cp, &tok, "/")) {
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TALLOC_FREE(frame);
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return false;
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}
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if (strncasecmp_m(tok, "ALLOWED", strlen("ALLOWED")) == 0) {
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atype = SEC_ACE_TYPE_ACCESS_ALLOWED;
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} else if (strncasecmp_m(tok, "DENIED", strlen("DENIED")) == 0) {
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atype = SEC_ACE_TYPE_ACCESS_DENIED;
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} else {
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TALLOC_FREE(frame);
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return false;
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}
|
|
|
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/* Only numeric form accepted for flags at present */
|
|
|
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if (!(next_token_talloc(frame, &cp, &tok, "/") &&
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sscanf(tok, "%u", &aflags))) {
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TALLOC_FREE(frame);
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return false;
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}
|
|
|
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if (!next_token_talloc(frame, &cp, &tok, "/")) {
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TALLOC_FREE(frame);
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return false;
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}
|
|
|
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if (strncmp(tok, "0x", 2) == 0) {
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if (sscanf(tok, "%u", &amask) != 1) {
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TALLOC_FREE(frame);
|
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return false;
|
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}
|
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goto done;
|
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}
|
|
|
|
for (v = standard_values; v != NULL; v++) {
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if (strcmp(tok, v->perm) == 0) {
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amask = v->mask;
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goto done;
|
|
}
|
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}
|
|
|
|
p = tok;
|
|
|
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while(*p) {
|
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bool found = False;
|
|
|
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for (v = special_values; v != NULL; v++) {
|
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if (v->perm[0] == *p) {
|
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amask |= v->mask;
|
|
found = True;
|
|
}
|
|
}
|
|
|
|
if (!found) {
|
|
TALLOC_FREE(frame);
|
|
return false;
|
|
}
|
|
p++;
|
|
}
|
|
|
|
if (*p) {
|
|
TALLOC_FREE(frame);
|
|
return false;
|
|
}
|
|
|
|
done:
|
|
mask = amask;
|
|
init_sec_ace(ace, &sid, atype, mask, aflags);
|
|
TALLOC_FREE(frame);
|
|
return true;
|
|
}
|
|
|
|
/* add an struct security_ace to a list of struct security_aces in a struct security_acl */
|
|
static bool
|
|
add_ace(struct security_acl **the_acl,
|
|
struct security_ace *ace,
|
|
TALLOC_CTX *ctx)
|
|
{
|
|
struct security_acl *newacl;
|
|
struct security_ace *aces;
|
|
|
|
if (! *the_acl) {
|
|
(*the_acl) = make_sec_acl(ctx, 3, 1, ace);
|
|
return True;
|
|
}
|
|
|
|
if ((aces = SMB_CALLOC_ARRAY(struct security_ace,
|
|
1+(*the_acl)->num_aces)) == NULL) {
|
|
return False;
|
|
}
|
|
memcpy(aces, (*the_acl)->aces, (*the_acl)->num_aces * sizeof(struct security_ace));
|
|
memcpy(aces+(*the_acl)->num_aces, ace, sizeof(struct security_ace));
|
|
newacl = make_sec_acl(ctx, (*the_acl)->revision,
|
|
1+(*the_acl)->num_aces, aces);
|
|
SAFE_FREE(aces);
|
|
(*the_acl) = newacl;
|
|
return True;
|
|
}
|
|
|
|
|
|
/* parse a ascii version of a security descriptor */
|
|
static struct security_descriptor *
|
|
sec_desc_parse(TALLOC_CTX *ctx,
|
|
struct cli_state *ipc_cli,
|
|
struct policy_handle *pol,
|
|
bool numeric,
|
|
const char *str)
|
|
{
|
|
const char *p = str;
|
|
char *tok;
|
|
struct security_descriptor *ret = NULL;
|
|
size_t sd_size;
|
|
struct dom_sid *group_sid=NULL;
|
|
struct dom_sid *owner_sid=NULL;
|
|
struct security_acl *dacl=NULL;
|
|
int revision=1;
|
|
|
|
while (next_token_talloc(ctx, &p, &tok, "\t,\r\n")) {
|
|
|
|
if (strncasecmp_m(tok,"REVISION:", 9) == 0) {
|
|
revision = strtol(tok+9, NULL, 16);
|
|
continue;
|
|
}
|
|
|
|
if (strncasecmp_m(tok,"OWNER:", 6) == 0) {
|
|
if (owner_sid) {
|
|
DEBUG(5,("OWNER specified more than once!\n"));
|
|
goto done;
|
|
}
|
|
owner_sid = SMB_CALLOC_ARRAY(struct dom_sid, 1);
|
|
if (!owner_sid ||
|
|
!convert_string_to_sid(ipc_cli, pol,
|
|
numeric,
|
|
owner_sid, tok+6)) {
|
|
DEBUG(5, ("Failed to parse owner sid\n"));
|
|
goto done;
|
|
}
|
|
continue;
|
|
}
|
|
|
|
if (strncasecmp_m(tok,"OWNER+:", 7) == 0) {
|
|
if (owner_sid) {
|
|
DEBUG(5,("OWNER specified more than once!\n"));
|
|
goto done;
|
|
}
|
|
owner_sid = SMB_CALLOC_ARRAY(struct dom_sid, 1);
|
|
if (!owner_sid ||
|
|
!convert_string_to_sid(ipc_cli, pol,
|
|
False,
|
|
owner_sid, tok+7)) {
|
|
DEBUG(5, ("Failed to parse owner sid\n"));
|
|
goto done;
|
|
}
|
|
continue;
|
|
}
|
|
|
|
if (strncasecmp_m(tok,"GROUP:", 6) == 0) {
|
|
if (group_sid) {
|
|
DEBUG(5,("GROUP specified more than once!\n"));
|
|
goto done;
|
|
}
|
|
group_sid = SMB_CALLOC_ARRAY(struct dom_sid, 1);
|
|
if (!group_sid ||
|
|
!convert_string_to_sid(ipc_cli, pol,
|
|
numeric,
|
|
group_sid, tok+6)) {
|
|
DEBUG(5, ("Failed to parse group sid\n"));
|
|
goto done;
|
|
}
|
|
continue;
|
|
}
|
|
|
|
if (strncasecmp_m(tok,"GROUP+:", 7) == 0) {
|
|
if (group_sid) {
|
|
DEBUG(5,("GROUP specified more than once!\n"));
|
|
goto done;
|
|
}
|
|
group_sid = SMB_CALLOC_ARRAY(struct dom_sid, 1);
|
|
if (!group_sid ||
|
|
!convert_string_to_sid(ipc_cli, pol,
|
|
False,
|
|
group_sid, tok+6)) {
|
|
DEBUG(5, ("Failed to parse group sid\n"));
|
|
goto done;
|
|
}
|
|
continue;
|
|
}
|
|
|
|
if (strncasecmp_m(tok,"ACL:", 4) == 0) {
|
|
struct security_ace ace;
|
|
if (!parse_ace(ipc_cli, pol, &ace, numeric, tok+4)) {
|
|
DEBUG(5, ("Failed to parse ACL %s\n", tok));
|
|
goto done;
|
|
}
|
|
if(!add_ace(&dacl, &ace, ctx)) {
|
|
DEBUG(5, ("Failed to add ACL %s\n", tok));
|
|
goto done;
|
|
}
|
|
continue;
|
|
}
|
|
|
|
if (strncasecmp_m(tok,"ACL+:", 5) == 0) {
|
|
struct security_ace ace;
|
|
if (!parse_ace(ipc_cli, pol, &ace, False, tok+5)) {
|
|
DEBUG(5, ("Failed to parse ACL %s\n", tok));
|
|
goto done;
|
|
}
|
|
if(!add_ace(&dacl, &ace, ctx)) {
|
|
DEBUG(5, ("Failed to add ACL %s\n", tok));
|
|
goto done;
|
|
}
|
|
continue;
|
|
}
|
|
|
|
DEBUG(5, ("Failed to parse security descriptor\n"));
|
|
goto done;
|
|
}
|
|
|
|
ret = make_sec_desc(ctx, revision, SEC_DESC_SELF_RELATIVE,
|
|
owner_sid, group_sid, NULL, dacl, &sd_size);
|
|
|
|
done:
|
|
SAFE_FREE(group_sid);
|
|
SAFE_FREE(owner_sid);
|
|
return ret;
|
|
}
|
|
|
|
|
|
/* Obtain the current dos attributes */
|
|
static DOS_ATTR_DESC *
|
|
dos_attr_query(SMBCCTX *context,
|
|
TALLOC_CTX *ctx,
|
|
const char *filename,
|
|
SMBCSRV *srv)
|
|
{
|
|
struct timespec create_time_ts;
|
|
struct timespec write_time_ts;
|
|
struct timespec access_time_ts;
|
|
struct timespec change_time_ts;
|
|
off_t size = 0;
|
|
uint16_t mode = 0;
|
|
SMB_INO_T inode = 0;
|
|
DOS_ATTR_DESC *ret;
|
|
|
|
ret = talloc(ctx, DOS_ATTR_DESC);
|
|
if (!ret) {
|
|
errno = ENOMEM;
|
|
return NULL;
|
|
}
|
|
|
|
/* Obtain the DOS attributes */
|
|
if (!SMBC_getatr(context, srv, filename,
|
|
&mode, &size,
|
|
&create_time_ts,
|
|
&access_time_ts,
|
|
&write_time_ts,
|
|
&change_time_ts,
|
|
&inode)) {
|
|
errno = SMBC_errno(context, srv->cli);
|
|
DEBUG(5, ("dos_attr_query Failed to query old attributes\n"));
|
|
TALLOC_FREE(ret);
|
|
return NULL;
|
|
}
|
|
|
|
ret->mode = mode;
|
|
ret->size = size;
|
|
ret->create_time = convert_timespec_to_time_t(create_time_ts);
|
|
ret->access_time = convert_timespec_to_time_t(access_time_ts);
|
|
ret->write_time = convert_timespec_to_time_t(write_time_ts);
|
|
ret->change_time = convert_timespec_to_time_t(change_time_ts);
|
|
ret->inode = inode;
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
/* parse a ascii version of a security descriptor */
|
|
static void
|
|
dos_attr_parse(SMBCCTX *context,
|
|
DOS_ATTR_DESC *dad,
|
|
SMBCSRV *srv,
|
|
char *str)
|
|
{
|
|
int n;
|
|
const char *p = str;
|
|
char *tok = NULL;
|
|
TALLOC_CTX *frame = NULL;
|
|
struct {
|
|
const char * create_time_attr;
|
|
const char * access_time_attr;
|
|
const char * write_time_attr;
|
|
const char * change_time_attr;
|
|
} attr_strings;
|
|
|
|
/* Determine whether to use old-style or new-style attribute names */
|
|
if (context->internal->full_time_names) {
|
|
/* new-style names */
|
|
attr_strings.create_time_attr = "CREATE_TIME";
|
|
attr_strings.access_time_attr = "ACCESS_TIME";
|
|
attr_strings.write_time_attr = "WRITE_TIME";
|
|
attr_strings.change_time_attr = "CHANGE_TIME";
|
|
} else {
|
|
/* old-style names */
|
|
attr_strings.create_time_attr = NULL;
|
|
attr_strings.access_time_attr = "A_TIME";
|
|
attr_strings.write_time_attr = "M_TIME";
|
|
attr_strings.change_time_attr = "C_TIME";
|
|
}
|
|
|
|
/* if this is to set the entire ACL... */
|
|
if (*str == '*') {
|
|
/* ... then increment past the first colon if there is one */
|
|
if ((p = strchr(str, ':')) != NULL) {
|
|
++p;
|
|
} else {
|
|
p = str;
|
|
}
|
|
}
|
|
|
|
frame = talloc_stackframe();
|
|
while (next_token_talloc(frame, &p, &tok, "\t,\r\n")) {
|
|
if (strncasecmp_m(tok, "MODE:", 5) == 0) {
|
|
long request = strtol(tok+5, NULL, 16);
|
|
if (request == 0) {
|
|
dad->mode = (request |
|
|
(IS_DOS_DIR(dad->mode)
|
|
? FILE_ATTRIBUTE_DIRECTORY
|
|
: FILE_ATTRIBUTE_NORMAL));
|
|
} else {
|
|
dad->mode = request;
|
|
}
|
|
continue;
|
|
}
|
|
|
|
if (strncasecmp_m(tok, "SIZE:", 5) == 0) {
|
|
dad->size = (off_t)atof(tok+5);
|
|
continue;
|
|
}
|
|
|
|
n = strlen(attr_strings.access_time_attr);
|
|
if (strncasecmp_m(tok, attr_strings.access_time_attr, n) == 0) {
|
|
dad->access_time = (time_t)strtol(tok+n+1, NULL, 10);
|
|
continue;
|
|
}
|
|
|
|
n = strlen(attr_strings.change_time_attr);
|
|
if (strncasecmp_m(tok, attr_strings.change_time_attr, n) == 0) {
|
|
dad->change_time = (time_t)strtol(tok+n+1, NULL, 10);
|
|
continue;
|
|
}
|
|
|
|
n = strlen(attr_strings.write_time_attr);
|
|
if (strncasecmp_m(tok, attr_strings.write_time_attr, n) == 0) {
|
|
dad->write_time = (time_t)strtol(tok+n+1, NULL, 10);
|
|
continue;
|
|
}
|
|
|
|
if (attr_strings.create_time_attr != NULL) {
|
|
n = strlen(attr_strings.create_time_attr);
|
|
if (strncasecmp_m(tok, attr_strings.create_time_attr,
|
|
n) == 0) {
|
|
dad->create_time = (time_t)strtol(tok+n+1,
|
|
NULL, 10);
|
|
continue;
|
|
}
|
|
}
|
|
|
|
if (strncasecmp_m(tok, "INODE:", 6) == 0) {
|
|
dad->inode = (SMB_INO_T)atof(tok+6);
|
|
continue;
|
|
}
|
|
}
|
|
TALLOC_FREE(frame);
|
|
}
|
|
|
|
/*****************************************************
|
|
Retrieve the acls for a file.
|
|
*******************************************************/
|
|
|
|
static int
|
|
cacl_get(SMBCCTX *context,
|
|
TALLOC_CTX *ctx,
|
|
SMBCSRV *srv,
|
|
struct cli_state *ipc_cli,
|
|
struct policy_handle *pol,
|
|
const char *filename,
|
|
const char *attr_name,
|
|
char *buf,
|
|
int bufsize)
|
|
{
|
|
uint32_t i;
|
|
int n = 0;
|
|
int n_used;
|
|
bool all;
|
|
bool all_nt;
|
|
bool all_nt_acls;
|
|
bool all_dos;
|
|
bool some_nt;
|
|
bool some_dos;
|
|
bool exclude_nt_revision = False;
|
|
bool exclude_nt_owner = False;
|
|
bool exclude_nt_group = False;
|
|
bool exclude_nt_acl = False;
|
|
bool exclude_dos_mode = False;
|
|
bool exclude_dos_size = False;
|
|
bool exclude_dos_create_time = False;
|
|
bool exclude_dos_access_time = False;
|
|
bool exclude_dos_write_time = False;
|
|
bool exclude_dos_change_time = False;
|
|
bool exclude_dos_inode = False;
|
|
bool numeric = True;
|
|
bool determine_size = (bufsize == 0);
|
|
uint16_t fnum;
|
|
struct security_descriptor *sd;
|
|
fstring sidstr;
|
|
fstring name_sandbox;
|
|
char *name;
|
|
char *pExclude;
|
|
char *p;
|
|
struct timespec create_time_ts;
|
|
struct timespec write_time_ts;
|
|
struct timespec access_time_ts;
|
|
struct timespec change_time_ts;
|
|
time_t create_time = (time_t)0;
|
|
time_t write_time = (time_t)0;
|
|
time_t access_time = (time_t)0;
|
|
time_t change_time = (time_t)0;
|
|
off_t size = 0;
|
|
uint16_t mode = 0;
|
|
SMB_INO_T ino = 0;
|
|
struct cli_state *cli = srv->cli;
|
|
struct {
|
|
const char * create_time_attr;
|
|
const char * access_time_attr;
|
|
const char * write_time_attr;
|
|
const char * change_time_attr;
|
|
} attr_strings;
|
|
struct {
|
|
const char * create_time_attr;
|
|
const char * access_time_attr;
|
|
const char * write_time_attr;
|
|
const char * change_time_attr;
|
|
} excl_attr_strings;
|
|
|
|
/* Determine whether to use old-style or new-style attribute names */
|
|
if (context->internal->full_time_names) {
|
|
/* new-style names */
|
|
attr_strings.create_time_attr = "CREATE_TIME";
|
|
attr_strings.access_time_attr = "ACCESS_TIME";
|
|
attr_strings.write_time_attr = "WRITE_TIME";
|
|
attr_strings.change_time_attr = "CHANGE_TIME";
|
|
|
|
excl_attr_strings.create_time_attr = "CREATE_TIME";
|
|
excl_attr_strings.access_time_attr = "ACCESS_TIME";
|
|
excl_attr_strings.write_time_attr = "WRITE_TIME";
|
|
excl_attr_strings.change_time_attr = "CHANGE_TIME";
|
|
} else {
|
|
/* old-style names */
|
|
attr_strings.create_time_attr = NULL;
|
|
attr_strings.access_time_attr = "A_TIME";
|
|
attr_strings.write_time_attr = "M_TIME";
|
|
attr_strings.change_time_attr = "C_TIME";
|
|
|
|
excl_attr_strings.create_time_attr = NULL;
|
|
excl_attr_strings.access_time_attr = "dos_attr.A_TIME";
|
|
excl_attr_strings.write_time_attr = "dos_attr.M_TIME";
|
|
excl_attr_strings.change_time_attr = "dos_attr.C_TIME";
|
|
}
|
|
|
|
/* Copy name so we can strip off exclusions (if any are specified) */
|
|
strncpy(name_sandbox, attr_name, sizeof(name_sandbox) - 1);
|
|
|
|
/* Ensure name is null terminated */
|
|
name_sandbox[sizeof(name_sandbox) - 1] = '\0';
|
|
|
|
/* Play in the sandbox */
|
|
name = name_sandbox;
|
|
|
|
/* If there are any exclusions, point to them and mask them from name */
|
|
if ((pExclude = strchr(name, '!')) != NULL)
|
|
{
|
|
*pExclude++ = '\0';
|
|
}
|
|
|
|
all = (strncasecmp_m(name, "system.*", 8) == 0);
|
|
all_nt = (strncasecmp_m(name, "system.nt_sec_desc.*", 20) == 0);
|
|
all_nt_acls = (strncasecmp_m(name, "system.nt_sec_desc.acl.*", 24) == 0);
|
|
all_dos = (strncasecmp_m(name, "system.dos_attr.*", 17) == 0);
|
|
some_nt = (strncasecmp_m(name, "system.nt_sec_desc.", 19) == 0);
|
|
some_dos = (strncasecmp_m(name, "system.dos_attr.", 16) == 0);
|
|
numeric = (* (name + strlen(name) - 1) != '+');
|
|
|
|
/* Look for exclusions from "all" requests */
|
|
if (all || all_nt || all_dos) {
|
|
/* Exclusions are delimited by '!' */
|
|
for (;
|
|
pExclude != NULL;
|
|
pExclude = (p == NULL ? NULL : p + 1)) {
|
|
|
|
/* Find end of this exclusion name */
|
|
if ((p = strchr(pExclude, '!')) != NULL)
|
|
{
|
|
*p = '\0';
|
|
}
|
|
|
|
/* Which exclusion name is this? */
|
|
if (strcasecmp_m(pExclude,
|
|
"nt_sec_desc.revision") == 0) {
|
|
exclude_nt_revision = True;
|
|
}
|
|
else if (strcasecmp_m(pExclude,
|
|
"nt_sec_desc.owner") == 0) {
|
|
exclude_nt_owner = True;
|
|
}
|
|
else if (strcasecmp_m(pExclude,
|
|
"nt_sec_desc.group") == 0) {
|
|
exclude_nt_group = True;
|
|
}
|
|
else if (strcasecmp_m(pExclude,
|
|
"nt_sec_desc.acl") == 0) {
|
|
exclude_nt_acl = True;
|
|
}
|
|
else if (strcasecmp_m(pExclude,
|
|
"dos_attr.mode") == 0) {
|
|
exclude_dos_mode = True;
|
|
}
|
|
else if (strcasecmp_m(pExclude,
|
|
"dos_attr.size") == 0) {
|
|
exclude_dos_size = True;
|
|
}
|
|
else if (excl_attr_strings.create_time_attr != NULL &&
|
|
strcasecmp_m(pExclude,
|
|
excl_attr_strings.change_time_attr) == 0) {
|
|
exclude_dos_create_time = True;
|
|
}
|
|
else if (strcasecmp_m(pExclude,
|
|
excl_attr_strings.access_time_attr) == 0) {
|
|
exclude_dos_access_time = True;
|
|
}
|
|
else if (strcasecmp_m(pExclude,
|
|
excl_attr_strings.write_time_attr) == 0) {
|
|
exclude_dos_write_time = True;
|
|
}
|
|
else if (strcasecmp_m(pExclude,
|
|
excl_attr_strings.change_time_attr) == 0) {
|
|
exclude_dos_change_time = True;
|
|
}
|
|
else if (strcasecmp_m(pExclude, "dos_attr.inode") == 0) {
|
|
exclude_dos_inode = True;
|
|
}
|
|
else {
|
|
DEBUG(5, ("cacl_get received unknown exclusion: %s\n",
|
|
pExclude));
|
|
errno = ENOATTR;
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
|
|
n_used = 0;
|
|
|
|
/*
|
|
* If we are (possibly) talking to an NT or new system and some NT
|
|
* attributes have been requested...
|
|
*/
|
|
if (ipc_cli && (all || some_nt || all_nt_acls)) {
|
|
char *targetpath = NULL;
|
|
struct cli_state *targetcli = NULL;
|
|
NTSTATUS status;
|
|
|
|
/* Point to the portion after "system.nt_sec_desc." */
|
|
name += 19; /* if (all) this will be invalid but unused */
|
|
|
|
status = cli_resolve_path(
|
|
ctx, "", context->internal->auth_info,
|
|
cli, filename, &targetcli, &targetpath);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
DEBUG(5, ("cacl_get Could not resolve %s\n",
|
|
filename));
|
|
errno = ENOENT;
|
|
return -1;
|
|
}
|
|
|
|
/* ... then obtain any NT attributes which were requested */
|
|
status = cli_ntcreate(targetcli, targetpath, 0,
|
|
CREATE_ACCESS_READ, 0,
|
|
FILE_SHARE_READ|FILE_SHARE_WRITE,
|
|
FILE_OPEN, 0x0, 0x0, &fnum, NULL);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
DEBUG(5, ("cacl_get failed to open %s: %s\n",
|
|
targetpath, nt_errstr(status)));
|
|
errno = 0;
|
|
return -1;
|
|
}
|
|
|
|
status = cli_query_secdesc(targetcli, fnum, ctx, &sd);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
DEBUG(5,("cacl_get Failed to query old descriptor "
|
|
"of %s: %s\n",
|
|
targetpath, nt_errstr(status)));
|
|
errno = 0;
|
|
return -1;
|
|
}
|
|
|
|
cli_close(targetcli, fnum);
|
|
|
|
if (! exclude_nt_revision) {
|
|
if (all || all_nt) {
|
|
if (determine_size) {
|
|
p = talloc_asprintf(ctx,
|
|
"REVISION:%d",
|
|
sd->revision);
|
|
if (!p) {
|
|
errno = ENOMEM;
|
|
return -1;
|
|
}
|
|
n = strlen(p);
|
|
} else {
|
|
n = snprintf(buf, bufsize,
|
|
"REVISION:%d",
|
|
sd->revision);
|
|
}
|
|
} else if (strcasecmp_m(name, "revision") == 0) {
|
|
if (determine_size) {
|
|
p = talloc_asprintf(ctx, "%d",
|
|
sd->revision);
|
|
if (!p) {
|
|
errno = ENOMEM;
|
|
return -1;
|
|
}
|
|
n = strlen(p);
|
|
} else {
|
|
n = snprintf(buf, bufsize, "%d",
|
|
sd->revision);
|
|
}
|
|
}
|
|
|
|
if (!determine_size && n > bufsize) {
|
|
errno = ERANGE;
|
|
return -1;
|
|
}
|
|
buf += n;
|
|
n_used += n;
|
|
bufsize -= n;
|
|
n = 0;
|
|
}
|
|
|
|
if (! exclude_nt_owner) {
|
|
/* Get owner and group sid */
|
|
if (sd->owner_sid) {
|
|
convert_sid_to_string(ipc_cli, pol,
|
|
sidstr,
|
|
numeric,
|
|
sd->owner_sid);
|
|
} else {
|
|
fstrcpy(sidstr, "");
|
|
}
|
|
|
|
if (all || all_nt) {
|
|
if (determine_size) {
|
|
p = talloc_asprintf(ctx, ",OWNER:%s",
|
|
sidstr);
|
|
if (!p) {
|
|
errno = ENOMEM;
|
|
return -1;
|
|
}
|
|
n = strlen(p);
|
|
} else if (sidstr[0] != '\0') {
|
|
n = snprintf(buf, bufsize,
|
|
",OWNER:%s", sidstr);
|
|
}
|
|
} else if (strncasecmp_m(name, "owner", 5) == 0) {
|
|
if (determine_size) {
|
|
p = talloc_asprintf(ctx, "%s", sidstr);
|
|
if (!p) {
|
|
errno = ENOMEM;
|
|
return -1;
|
|
}
|
|
n = strlen(p);
|
|
} else {
|
|
n = snprintf(buf, bufsize, "%s",
|
|
sidstr);
|
|
}
|
|
}
|
|
|
|
if (!determine_size && n > bufsize) {
|
|
errno = ERANGE;
|
|
return -1;
|
|
}
|
|
buf += n;
|
|
n_used += n;
|
|
bufsize -= n;
|
|
n = 0;
|
|
}
|
|
|
|
if (! exclude_nt_group) {
|
|
if (sd->group_sid) {
|
|
convert_sid_to_string(ipc_cli, pol,
|
|
sidstr, numeric,
|
|
sd->group_sid);
|
|
} else {
|
|
fstrcpy(sidstr, "");
|
|
}
|
|
|
|
if (all || all_nt) {
|
|
if (determine_size) {
|
|
p = talloc_asprintf(ctx, ",GROUP:%s",
|
|
sidstr);
|
|
if (!p) {
|
|
errno = ENOMEM;
|
|
return -1;
|
|
}
|
|
n = strlen(p);
|
|
} else if (sidstr[0] != '\0') {
|
|
n = snprintf(buf, bufsize,
|
|
",GROUP:%s", sidstr);
|
|
}
|
|
} else if (strncasecmp_m(name, "group", 5) == 0) {
|
|
if (determine_size) {
|
|
p = talloc_asprintf(ctx, "%s", sidstr);
|
|
if (!p) {
|
|
errno = ENOMEM;
|
|
return -1;
|
|
}
|
|
n = strlen(p);
|
|
} else {
|
|
n = snprintf(buf, bufsize,
|
|
"%s", sidstr);
|
|
}
|
|
}
|
|
|
|
if (!determine_size && n > bufsize) {
|
|
errno = ERANGE;
|
|
return -1;
|
|
}
|
|
buf += n;
|
|
n_used += n;
|
|
bufsize -= n;
|
|
n = 0;
|
|
}
|
|
|
|
if (! exclude_nt_acl) {
|
|
/* Add aces to value buffer */
|
|
for (i = 0; sd->dacl && i < sd->dacl->num_aces; i++) {
|
|
|
|
struct security_ace *ace = &sd->dacl->aces[i];
|
|
convert_sid_to_string(ipc_cli, pol,
|
|
sidstr, numeric,
|
|
&ace->trustee);
|
|
|
|
if (all || all_nt) {
|
|
if (determine_size) {
|
|
p = talloc_asprintf(
|
|
ctx,
|
|
",ACL:"
|
|
"%s:%d/%d/0x%08x",
|
|
sidstr,
|
|
ace->type,
|
|
ace->flags,
|
|
ace->access_mask);
|
|
if (!p) {
|
|
errno = ENOMEM;
|
|
return -1;
|
|
}
|
|
n = strlen(p);
|
|
} else {
|
|
n = snprintf(
|
|
buf, bufsize,
|
|
",ACL:%s:%d/%d/0x%08x",
|
|
sidstr,
|
|
ace->type,
|
|
ace->flags,
|
|
ace->access_mask);
|
|
}
|
|
} else if ((strncasecmp_m(name, "acl", 3) == 0 &&
|
|
strcasecmp_m(name+3, sidstr) == 0) ||
|
|
(strncasecmp_m(name, "acl+", 4) == 0 &&
|
|
strcasecmp_m(name+4, sidstr) == 0)) {
|
|
if (determine_size) {
|
|
p = talloc_asprintf(
|
|
ctx,
|
|
"%d/%d/0x%08x",
|
|
ace->type,
|
|
ace->flags,
|
|
ace->access_mask);
|
|
if (!p) {
|
|
errno = ENOMEM;
|
|
return -1;
|
|
}
|
|
n = strlen(p);
|
|
} else {
|
|
n = snprintf(buf, bufsize,
|
|
"%d/%d/0x%08x",
|
|
ace->type,
|
|
ace->flags,
|
|
ace->access_mask);
|
|
}
|
|
} else if (all_nt_acls) {
|
|
if (determine_size) {
|
|
p = talloc_asprintf(
|
|
ctx,
|
|
"%s%s:%d/%d/0x%08x",
|
|
i ? "," : "",
|
|
sidstr,
|
|
ace->type,
|
|
ace->flags,
|
|
ace->access_mask);
|
|
if (!p) {
|
|
errno = ENOMEM;
|
|
return -1;
|
|
}
|
|
n = strlen(p);
|
|
} else {
|
|
n = snprintf(buf, bufsize,
|
|
"%s%s:%d/%d/0x%08x",
|
|
i ? "," : "",
|
|
sidstr,
|
|
ace->type,
|
|
ace->flags,
|
|
ace->access_mask);
|
|
}
|
|
}
|
|
if (!determine_size && n > bufsize) {
|
|
errno = ERANGE;
|
|
return -1;
|
|
}
|
|
buf += n;
|
|
n_used += n;
|
|
bufsize -= n;
|
|
n = 0;
|
|
}
|
|
}
|
|
|
|
/* Restore name pointer to its original value */
|
|
name -= 19;
|
|
}
|
|
|
|
if (all || some_dos) {
|
|
/* Point to the portion after "system.dos_attr." */
|
|
name += 16; /* if (all) this will be invalid but unused */
|
|
|
|
/* Obtain the DOS attributes */
|
|
if (!SMBC_getatr(context, srv, filename, &mode, &size,
|
|
&create_time_ts,
|
|
&access_time_ts,
|
|
&write_time_ts,
|
|
&change_time_ts,
|
|
&ino)) {
|
|
|
|
errno = SMBC_errno(context, srv->cli);
|
|
return -1;
|
|
}
|
|
|
|
create_time = convert_timespec_to_time_t(create_time_ts);
|
|
access_time = convert_timespec_to_time_t(access_time_ts);
|
|
write_time = convert_timespec_to_time_t(write_time_ts);
|
|
change_time = convert_timespec_to_time_t(change_time_ts);
|
|
|
|
if (! exclude_dos_mode) {
|
|
if (all || all_dos) {
|
|
if (determine_size) {
|
|
p = talloc_asprintf(ctx,
|
|
"%sMODE:0x%x",
|
|
(ipc_cli &&
|
|
(all || some_nt)
|
|
? ","
|
|
: ""),
|
|
mode);
|
|
if (!p) {
|
|
errno = ENOMEM;
|
|
return -1;
|
|
}
|
|
n = strlen(p);
|
|
} else {
|
|
n = snprintf(buf, bufsize,
|
|
"%sMODE:0x%x",
|
|
(ipc_cli &&
|
|
(all || some_nt)
|
|
? ","
|
|
: ""),
|
|
mode);
|
|
}
|
|
} else if (strcasecmp_m(name, "mode") == 0) {
|
|
if (determine_size) {
|
|
p = talloc_asprintf(ctx, "0x%x", mode);
|
|
if (!p) {
|
|
errno = ENOMEM;
|
|
return -1;
|
|
}
|
|
n = strlen(p);
|
|
} else {
|
|
n = snprintf(buf, bufsize,
|
|
"0x%x", mode);
|
|
}
|
|
}
|
|
|
|
if (!determine_size && n > bufsize) {
|
|
errno = ERANGE;
|
|
return -1;
|
|
}
|
|
buf += n;
|
|
n_used += n;
|
|
bufsize -= n;
|
|
n = 0;
|
|
}
|
|
|
|
if (! exclude_dos_size) {
|
|
if (all || all_dos) {
|
|
if (determine_size) {
|
|
p = talloc_asprintf(
|
|
ctx,
|
|
",SIZE:%.0f",
|
|
(double)size);
|
|
if (!p) {
|
|
errno = ENOMEM;
|
|
return -1;
|
|
}
|
|
n = strlen(p);
|
|
} else {
|
|
n = snprintf(buf, bufsize,
|
|
",SIZE:%.0f",
|
|
(double)size);
|
|
}
|
|
} else if (strcasecmp_m(name, "size") == 0) {
|
|
if (determine_size) {
|
|
p = talloc_asprintf(
|
|
ctx,
|
|
"%.0f",
|
|
(double)size);
|
|
if (!p) {
|
|
errno = ENOMEM;
|
|
return -1;
|
|
}
|
|
n = strlen(p);
|
|
} else {
|
|
n = snprintf(buf, bufsize,
|
|
"%.0f",
|
|
(double)size);
|
|
}
|
|
}
|
|
|
|
if (!determine_size && n > bufsize) {
|
|
errno = ERANGE;
|
|
return -1;
|
|
}
|
|
buf += n;
|
|
n_used += n;
|
|
bufsize -= n;
|
|
n = 0;
|
|
}
|
|
|
|
if (! exclude_dos_create_time &&
|
|
attr_strings.create_time_attr != NULL) {
|
|
if (all || all_dos) {
|
|
if (determine_size) {
|
|
p = talloc_asprintf(ctx,
|
|
",%s:%lu",
|
|
attr_strings.create_time_attr,
|
|
(unsigned long) create_time);
|
|
if (!p) {
|
|
errno = ENOMEM;
|
|
return -1;
|
|
}
|
|
n = strlen(p);
|
|
} else {
|
|
n = snprintf(buf, bufsize,
|
|
",%s:%lu",
|
|
attr_strings.create_time_attr,
|
|
(unsigned long) create_time);
|
|
}
|
|
} else if (strcasecmp_m(name, attr_strings.create_time_attr) == 0) {
|
|
if (determine_size) {
|
|
p = talloc_asprintf(ctx, "%lu", (unsigned long) create_time);
|
|
if (!p) {
|
|
errno = ENOMEM;
|
|
return -1;
|
|
}
|
|
n = strlen(p);
|
|
} else {
|
|
n = snprintf(buf, bufsize,
|
|
"%lu", (unsigned long) create_time);
|
|
}
|
|
}
|
|
|
|
if (!determine_size && n > bufsize) {
|
|
errno = ERANGE;
|
|
return -1;
|
|
}
|
|
buf += n;
|
|
n_used += n;
|
|
bufsize -= n;
|
|
n = 0;
|
|
}
|
|
|
|
if (! exclude_dos_access_time) {
|
|
if (all || all_dos) {
|
|
if (determine_size) {
|
|
p = talloc_asprintf(ctx,
|
|
",%s:%lu",
|
|
attr_strings.access_time_attr,
|
|
(unsigned long) access_time);
|
|
if (!p) {
|
|
errno = ENOMEM;
|
|
return -1;
|
|
}
|
|
n = strlen(p);
|
|
} else {
|
|
n = snprintf(buf, bufsize,
|
|
",%s:%lu",
|
|
attr_strings.access_time_attr,
|
|
(unsigned long) access_time);
|
|
}
|
|
} else if (strcasecmp_m(name, attr_strings.access_time_attr) == 0) {
|
|
if (determine_size) {
|
|
p = talloc_asprintf(ctx, "%lu", (unsigned long) access_time);
|
|
if (!p) {
|
|
errno = ENOMEM;
|
|
return -1;
|
|
}
|
|
n = strlen(p);
|
|
} else {
|
|
n = snprintf(buf, bufsize,
|
|
"%lu", (unsigned long) access_time);
|
|
}
|
|
}
|
|
|
|
if (!determine_size && n > bufsize) {
|
|
errno = ERANGE;
|
|
return -1;
|
|
}
|
|
buf += n;
|
|
n_used += n;
|
|
bufsize -= n;
|
|
n = 0;
|
|
}
|
|
|
|
if (! exclude_dos_write_time) {
|
|
if (all || all_dos) {
|
|
if (determine_size) {
|
|
p = talloc_asprintf(ctx,
|
|
",%s:%lu",
|
|
attr_strings.write_time_attr,
|
|
(unsigned long) write_time);
|
|
if (!p) {
|
|
errno = ENOMEM;
|
|
return -1;
|
|
}
|
|
n = strlen(p);
|
|
} else {
|
|
n = snprintf(buf, bufsize,
|
|
",%s:%lu",
|
|
attr_strings.write_time_attr,
|
|
(unsigned long) write_time);
|
|
}
|
|
} else if (strcasecmp_m(name, attr_strings.write_time_attr) == 0) {
|
|
if (determine_size) {
|
|
p = talloc_asprintf(ctx, "%lu", (unsigned long) write_time);
|
|
if (!p) {
|
|
errno = ENOMEM;
|
|
return -1;
|
|
}
|
|
n = strlen(p);
|
|
} else {
|
|
n = snprintf(buf, bufsize,
|
|
"%lu", (unsigned long) write_time);
|
|
}
|
|
}
|
|
|
|
if (!determine_size && n > bufsize) {
|
|
errno = ERANGE;
|
|
return -1;
|
|
}
|
|
buf += n;
|
|
n_used += n;
|
|
bufsize -= n;
|
|
n = 0;
|
|
}
|
|
|
|
if (! exclude_dos_change_time) {
|
|
if (all || all_dos) {
|
|
if (determine_size) {
|
|
p = talloc_asprintf(ctx,
|
|
",%s:%lu",
|
|
attr_strings.change_time_attr,
|
|
(unsigned long) change_time);
|
|
if (!p) {
|
|
errno = ENOMEM;
|
|
return -1;
|
|
}
|
|
n = strlen(p);
|
|
} else {
|
|
n = snprintf(buf, bufsize,
|
|
",%s:%lu",
|
|
attr_strings.change_time_attr,
|
|
(unsigned long) change_time);
|
|
}
|
|
} else if (strcasecmp_m(name, attr_strings.change_time_attr) == 0) {
|
|
if (determine_size) {
|
|
p = talloc_asprintf(ctx, "%lu", (unsigned long) change_time);
|
|
if (!p) {
|
|
errno = ENOMEM;
|
|
return -1;
|
|
}
|
|
n = strlen(p);
|
|
} else {
|
|
n = snprintf(buf, bufsize,
|
|
"%lu", (unsigned long) change_time);
|
|
}
|
|
}
|
|
|
|
if (!determine_size && n > bufsize) {
|
|
errno = ERANGE;
|
|
return -1;
|
|
}
|
|
buf += n;
|
|
n_used += n;
|
|
bufsize -= n;
|
|
n = 0;
|
|
}
|
|
|
|
if (! exclude_dos_inode) {
|
|
if (all || all_dos) {
|
|
if (determine_size) {
|
|
p = talloc_asprintf(
|
|
ctx,
|
|
",INODE:%.0f",
|
|
(double)ino);
|
|
if (!p) {
|
|
errno = ENOMEM;
|
|
return -1;
|
|
}
|
|
n = strlen(p);
|
|
} else {
|
|
n = snprintf(buf, bufsize,
|
|
",INODE:%.0f",
|
|
(double) ino);
|
|
}
|
|
} else if (strcasecmp_m(name, "inode") == 0) {
|
|
if (determine_size) {
|
|
p = talloc_asprintf(
|
|
ctx,
|
|
"%.0f",
|
|
(double) ino);
|
|
if (!p) {
|
|
errno = ENOMEM;
|
|
return -1;
|
|
}
|
|
n = strlen(p);
|
|
} else {
|
|
n = snprintf(buf, bufsize,
|
|
"%.0f",
|
|
(double) ino);
|
|
}
|
|
}
|
|
|
|
if (!determine_size && n > bufsize) {
|
|
errno = ERANGE;
|
|
return -1;
|
|
}
|
|
buf += n;
|
|
n_used += n;
|
|
bufsize -= n;
|
|
n = 0;
|
|
}
|
|
|
|
/* Restore name pointer to its original value */
|
|
name -= 16;
|
|
}
|
|
|
|
if (n_used == 0) {
|
|
errno = ENOATTR;
|
|
return -1;
|
|
}
|
|
|
|
return n_used;
|
|
}
|
|
|
|
/*****************************************************
|
|
set the ACLs on a file given an ascii description
|
|
*******************************************************/
|
|
static int
|
|
cacl_set(SMBCCTX *context,
|
|
TALLOC_CTX *ctx,
|
|
struct cli_state *cli,
|
|
struct cli_state *ipc_cli,
|
|
struct policy_handle *pol,
|
|
const char *filename,
|
|
char *the_acl,
|
|
int mode,
|
|
int flags)
|
|
{
|
|
uint16_t fnum = (uint16_t)-1;
|
|
int err = 0;
|
|
struct security_descriptor *sd = NULL, *old;
|
|
struct security_acl *dacl = NULL;
|
|
struct dom_sid *owner_sid = NULL;
|
|
struct dom_sid *group_sid = NULL;
|
|
uint32_t i, j;
|
|
size_t sd_size;
|
|
int ret = 0;
|
|
char *p;
|
|
bool numeric = True;
|
|
char *targetpath = NULL;
|
|
struct cli_state *targetcli = NULL;
|
|
NTSTATUS status;
|
|
|
|
/* the_acl will be null for REMOVE_ALL operations */
|
|
if (the_acl) {
|
|
numeric = ((p = strchr(the_acl, ':')) != NULL &&
|
|
p > the_acl &&
|
|
p[-1] != '+');
|
|
|
|
/* if this is to set the entire ACL... */
|
|
if (*the_acl == '*') {
|
|
/* ... then increment past the first colon */
|
|
the_acl = p + 1;
|
|
}
|
|
|
|
sd = sec_desc_parse(ctx, ipc_cli, pol, numeric, the_acl);
|
|
if (!sd) {
|
|
errno = EINVAL;
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
/* SMBC_XATTR_MODE_REMOVE_ALL is the only caller
|
|
that doesn't deref sd */
|
|
|
|
if (!sd && (mode != SMBC_XATTR_MODE_REMOVE_ALL)) {
|
|
errno = EINVAL;
|
|
return -1;
|
|
}
|
|
|
|
status = cli_resolve_path(ctx, "", context->internal->auth_info,
|
|
cli, filename, &targetcli, &targetpath);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
DEBUG(5,("cacl_set: Could not resolve %s\n", filename));
|
|
errno = ENOENT;
|
|
return -1;
|
|
}
|
|
|
|
/* The desired access below is the only one I could find that works
|
|
with NT4, W2KP and Samba */
|
|
|
|
status = cli_ntcreate(targetcli, targetpath, 0, CREATE_ACCESS_READ, 0,
|
|
FILE_SHARE_READ|FILE_SHARE_WRITE, FILE_OPEN,
|
|
0x0, 0x0, &fnum, NULL);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
DEBUG(5, ("cacl_set failed to open %s: %s\n",
|
|
targetpath, nt_errstr(status)));
|
|
errno = 0;
|
|
return -1;
|
|
}
|
|
|
|
status = cli_query_secdesc(targetcli, fnum, ctx, &old);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
DEBUG(5,("cacl_set Failed to query old descriptor of %s: %s\n",
|
|
targetpath, nt_errstr(status)));
|
|
errno = 0;
|
|
return -1;
|
|
}
|
|
|
|
cli_close(targetcli, fnum);
|
|
|
|
switch (mode) {
|
|
case SMBC_XATTR_MODE_REMOVE_ALL:
|
|
old->dacl->num_aces = 0;
|
|
dacl = old->dacl;
|
|
break;
|
|
|
|
case SMBC_XATTR_MODE_REMOVE:
|
|
for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
|
|
bool found = False;
|
|
|
|
for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
|
|
if (security_ace_equal(&sd->dacl->aces[i],
|
|
&old->dacl->aces[j])) {
|
|
uint32_t k;
|
|
for (k=j; k<old->dacl->num_aces-1;k++) {
|
|
old->dacl->aces[k] =
|
|
old->dacl->aces[k+1];
|
|
}
|
|
old->dacl->num_aces--;
|
|
found = True;
|
|
dacl = old->dacl;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!found) {
|
|
err = ENOATTR;
|
|
ret = -1;
|
|
goto failed;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case SMBC_XATTR_MODE_ADD:
|
|
for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
|
|
bool found = False;
|
|
|
|
for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
|
|
if (dom_sid_equal(&sd->dacl->aces[i].trustee,
|
|
&old->dacl->aces[j].trustee)) {
|
|
if (!(flags & SMBC_XATTR_FLAG_CREATE)) {
|
|
err = EEXIST;
|
|
ret = -1;
|
|
goto failed;
|
|
}
|
|
old->dacl->aces[j] = sd->dacl->aces[i];
|
|
ret = -1;
|
|
found = True;
|
|
}
|
|
}
|
|
|
|
if (!found && (flags & SMBC_XATTR_FLAG_REPLACE)) {
|
|
err = ENOATTR;
|
|
ret = -1;
|
|
goto failed;
|
|
}
|
|
|
|
for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
|
|
add_ace(&old->dacl, &sd->dacl->aces[i], ctx);
|
|
}
|
|
}
|
|
dacl = old->dacl;
|
|
break;
|
|
|
|
case SMBC_XATTR_MODE_SET:
|
|
old = sd;
|
|
owner_sid = old->owner_sid;
|
|
group_sid = old->group_sid;
|
|
dacl = old->dacl;
|
|
break;
|
|
|
|
case SMBC_XATTR_MODE_CHOWN:
|
|
owner_sid = sd->owner_sid;
|
|
break;
|
|
|
|
case SMBC_XATTR_MODE_CHGRP:
|
|
group_sid = sd->group_sid;
|
|
break;
|
|
}
|
|
|
|
/* Denied ACE entries must come before allowed ones */
|
|
sort_acl(old->dacl);
|
|
|
|
/* Create new security descriptor and set it */
|
|
sd = make_sec_desc(ctx, old->revision, SEC_DESC_SELF_RELATIVE,
|
|
owner_sid, group_sid, NULL, dacl, &sd_size);
|
|
|
|
status = cli_ntcreate(targetcli, targetpath, 0,
|
|
WRITE_DAC_ACCESS | WRITE_OWNER_ACCESS, 0,
|
|
FILE_SHARE_READ|FILE_SHARE_WRITE, FILE_OPEN,
|
|
0x0, 0x0, &fnum, NULL);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
DEBUG(5, ("cacl_set failed to open %s: %s\n",
|
|
targetpath, nt_errstr(status)));
|
|
errno = 0;
|
|
return -1;
|
|
}
|
|
|
|
status = cli_set_secdesc(targetcli, fnum, sd);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
DEBUG(5, ("ERROR: secdesc set failed: %s\n",
|
|
nt_errstr(status)));
|
|
ret = -1;
|
|
}
|
|
|
|
/* Clean up */
|
|
|
|
failed:
|
|
cli_close(targetcli, fnum);
|
|
|
|
if (err != 0) {
|
|
errno = err;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
int
|
|
SMBC_setxattr_ctx(SMBCCTX *context,
|
|
const char *fname,
|
|
const char *name,
|
|
const void *value,
|
|
size_t size,
|
|
int flags)
|
|
{
|
|
int ret;
|
|
int ret2;
|
|
SMBCSRV *srv = NULL;
|
|
SMBCSRV *ipc_srv = NULL;
|
|
char *server = NULL;
|
|
char *share = NULL;
|
|
char *user = NULL;
|
|
char *password = NULL;
|
|
char *workgroup = NULL;
|
|
char *path = NULL;
|
|
DOS_ATTR_DESC *dad = NULL;
|
|
struct {
|
|
const char * create_time_attr;
|
|
const char * access_time_attr;
|
|
const char * write_time_attr;
|
|
const char * change_time_attr;
|
|
} attr_strings;
|
|
uint16_t port = 0;
|
|
TALLOC_CTX *frame = talloc_stackframe();
|
|
|
|
if (!context || !context->internal->initialized) {
|
|
errno = EINVAL; /* Best I can think of ... */
|
|
TALLOC_FREE(frame);
|
|
return -1;
|
|
}
|
|
|
|
if (!fname) {
|
|
errno = EINVAL;
|
|
TALLOC_FREE(frame);
|
|
return -1;
|
|
}
|
|
|
|
DEBUG(4, ("smbc_setxattr(%s, %s, %.*s)\n",
|
|
fname, name, (int) size, (const char*)value));
|
|
|
|
if (SMBC_parse_path(frame,
|
|
context,
|
|
fname,
|
|
&workgroup,
|
|
&server,
|
|
&port,
|
|
&share,
|
|
&path,
|
|
&user,
|
|
&password,
|
|
NULL)) {
|
|
errno = EINVAL;
|
|
TALLOC_FREE(frame);
|
|
return -1;
|
|
}
|
|
|
|
if (!user || user[0] == (char)0) {
|
|
user = talloc_strdup(frame, smbc_getUser(context));
|
|
if (!user) {
|
|
errno = ENOMEM;
|
|
TALLOC_FREE(frame);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
srv = SMBC_server(frame, context, True,
|
|
server, port, share, &workgroup, &user, &password);
|
|
if (!srv) {
|
|
TALLOC_FREE(frame);
|
|
return -1; /* errno set by SMBC_server */
|
|
}
|
|
|
|
if (! srv->no_nt_session) {
|
|
ipc_srv = SMBC_attr_server(frame, context, server, port, share,
|
|
&workgroup, &user, &password);
|
|
if (! ipc_srv) {
|
|
srv->no_nt_session = True;
|
|
}
|
|
} else {
|
|
ipc_srv = NULL;
|
|
}
|
|
|
|
/*
|
|
* Are they asking to set the entire set of known attributes?
|
|
*/
|
|
if (strcasecmp_m(name, "system.*") == 0 ||
|
|
strcasecmp_m(name, "system.*+") == 0) {
|
|
/* Yup. */
|
|
char *namevalue =
|
|
talloc_asprintf(talloc_tos(), "%s:%s",
|
|
name+7, (const char *) value);
|
|
if (! namevalue) {
|
|
errno = ENOMEM;
|
|
ret = -1;
|
|
TALLOC_FREE(frame);
|
|
return -1;
|
|
}
|
|
|
|
if (ipc_srv) {
|
|
ret = cacl_set(context, talloc_tos(), srv->cli,
|
|
ipc_srv->cli, &ipc_srv->pol, path,
|
|
namevalue,
|
|
(*namevalue == '*'
|
|
? SMBC_XATTR_MODE_SET
|
|
: SMBC_XATTR_MODE_ADD),
|
|
flags);
|
|
} else {
|
|
ret = 0;
|
|
}
|
|
|
|
/* get a DOS Attribute Descriptor with current attributes */
|
|
dad = dos_attr_query(context, talloc_tos(), path, srv);
|
|
if (dad) {
|
|
/* Overwrite old with new, using what was provided */
|
|
dos_attr_parse(context, dad, srv, namevalue);
|
|
|
|
/* Set the new DOS attributes */
|
|
if (! SMBC_setatr(context, srv, path,
|
|
dad->create_time,
|
|
dad->access_time,
|
|
dad->write_time,
|
|
dad->change_time,
|
|
dad->mode)) {
|
|
|
|
/* cause failure if NT failed too */
|
|
dad = NULL;
|
|
}
|
|
}
|
|
|
|
/* we only fail if both NT and DOS sets failed */
|
|
if (ret < 0 && ! dad) {
|
|
ret = -1; /* in case dad was null */
|
|
}
|
|
else {
|
|
ret = 0;
|
|
}
|
|
|
|
TALLOC_FREE(frame);
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* Are they asking to set an access control element or to set
|
|
* the entire access control list?
|
|
*/
|
|
if (strcasecmp_m(name, "system.nt_sec_desc.*") == 0 ||
|
|
strcasecmp_m(name, "system.nt_sec_desc.*+") == 0 ||
|
|
strcasecmp_m(name, "system.nt_sec_desc.revision") == 0 ||
|
|
strncasecmp_m(name, "system.nt_sec_desc.acl", 22) == 0 ||
|
|
strncasecmp_m(name, "system.nt_sec_desc.acl+", 23) == 0) {
|
|
|
|
/* Yup. */
|
|
char *namevalue =
|
|
talloc_asprintf(talloc_tos(), "%s:%s",
|
|
name+19, (const char *) value);
|
|
|
|
if (! ipc_srv) {
|
|
ret = -1; /* errno set by SMBC_server() */
|
|
}
|
|
else if (! namevalue) {
|
|
errno = ENOMEM;
|
|
ret = -1;
|
|
} else {
|
|
ret = cacl_set(context, talloc_tos(), srv->cli,
|
|
ipc_srv->cli, &ipc_srv->pol, path,
|
|
namevalue,
|
|
(*namevalue == '*'
|
|
? SMBC_XATTR_MODE_SET
|
|
: SMBC_XATTR_MODE_ADD),
|
|
flags);
|
|
}
|
|
TALLOC_FREE(frame);
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* Are they asking to set the owner?
|
|
*/
|
|
if (strcasecmp_m(name, "system.nt_sec_desc.owner") == 0 ||
|
|
strcasecmp_m(name, "system.nt_sec_desc.owner+") == 0) {
|
|
|
|
/* Yup. */
|
|
char *namevalue =
|
|
talloc_asprintf(talloc_tos(), "%s:%s",
|
|
name+19, (const char *) value);
|
|
|
|
if (! ipc_srv) {
|
|
ret = -1; /* errno set by SMBC_server() */
|
|
}
|
|
else if (! namevalue) {
|
|
errno = ENOMEM;
|
|
ret = -1;
|
|
} else {
|
|
ret = cacl_set(context, talloc_tos(), srv->cli,
|
|
ipc_srv->cli, &ipc_srv->pol, path,
|
|
namevalue, SMBC_XATTR_MODE_CHOWN, 0);
|
|
}
|
|
TALLOC_FREE(frame);
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* Are they asking to set the group?
|
|
*/
|
|
if (strcasecmp_m(name, "system.nt_sec_desc.group") == 0 ||
|
|
strcasecmp_m(name, "system.nt_sec_desc.group+") == 0) {
|
|
|
|
/* Yup. */
|
|
char *namevalue =
|
|
talloc_asprintf(talloc_tos(), "%s:%s",
|
|
name+19, (const char *) value);
|
|
|
|
if (! ipc_srv) {
|
|
/* errno set by SMBC_server() */
|
|
ret = -1;
|
|
}
|
|
else if (! namevalue) {
|
|
errno = ENOMEM;
|
|
ret = -1;
|
|
} else {
|
|
ret = cacl_set(context, talloc_tos(), srv->cli,
|
|
ipc_srv->cli, &ipc_srv->pol, path,
|
|
namevalue, SMBC_XATTR_MODE_CHGRP, 0);
|
|
}
|
|
TALLOC_FREE(frame);
|
|
return ret;
|
|
}
|
|
|
|
/* Determine whether to use old-style or new-style attribute names */
|
|
if (context->internal->full_time_names) {
|
|
/* new-style names */
|
|
attr_strings.create_time_attr = "system.dos_attr.CREATE_TIME";
|
|
attr_strings.access_time_attr = "system.dos_attr.ACCESS_TIME";
|
|
attr_strings.write_time_attr = "system.dos_attr.WRITE_TIME";
|
|
attr_strings.change_time_attr = "system.dos_attr.CHANGE_TIME";
|
|
} else {
|
|
/* old-style names */
|
|
attr_strings.create_time_attr = NULL;
|
|
attr_strings.access_time_attr = "system.dos_attr.A_TIME";
|
|
attr_strings.write_time_attr = "system.dos_attr.M_TIME";
|
|
attr_strings.change_time_attr = "system.dos_attr.C_TIME";
|
|
}
|
|
|
|
/*
|
|
* Are they asking to set a DOS attribute?
|
|
*/
|
|
if (strcasecmp_m(name, "system.dos_attr.*") == 0 ||
|
|
strcasecmp_m(name, "system.dos_attr.mode") == 0 ||
|
|
(attr_strings.create_time_attr != NULL &&
|
|
strcasecmp_m(name, attr_strings.create_time_attr) == 0) ||
|
|
strcasecmp_m(name, attr_strings.access_time_attr) == 0 ||
|
|
strcasecmp_m(name, attr_strings.write_time_attr) == 0 ||
|
|
strcasecmp_m(name, attr_strings.change_time_attr) == 0) {
|
|
|
|
/* get a DOS Attribute Descriptor with current attributes */
|
|
dad = dos_attr_query(context, talloc_tos(), path, srv);
|
|
if (dad) {
|
|
char *namevalue =
|
|
talloc_asprintf(talloc_tos(), "%s:%s",
|
|
name+16, (const char *) value);
|
|
if (! namevalue) {
|
|
errno = ENOMEM;
|
|
ret = -1;
|
|
} else {
|
|
/* Overwrite old with provided new params */
|
|
dos_attr_parse(context, dad, srv, namevalue);
|
|
|
|
/* Set the new DOS attributes */
|
|
ret2 = SMBC_setatr(context, srv, path,
|
|
dad->create_time,
|
|
dad->access_time,
|
|
dad->write_time,
|
|
dad->change_time,
|
|
dad->mode);
|
|
|
|
/* ret2 has True (success) / False (failure) */
|
|
if (ret2) {
|
|
ret = 0;
|
|
} else {
|
|
ret = -1;
|
|
}
|
|
}
|
|
} else {
|
|
ret = -1;
|
|
}
|
|
|
|
TALLOC_FREE(frame);
|
|
return ret;
|
|
}
|
|
|
|
/* Unsupported attribute name */
|
|
errno = EINVAL;
|
|
TALLOC_FREE(frame);
|
|
return -1;
|
|
}
|
|
|
|
int
|
|
SMBC_getxattr_ctx(SMBCCTX *context,
|
|
const char *fname,
|
|
const char *name,
|
|
const void *value,
|
|
size_t size)
|
|
{
|
|
int ret;
|
|
SMBCSRV *srv = NULL;
|
|
SMBCSRV *ipc_srv = NULL;
|
|
char *server = NULL;
|
|
char *share = NULL;
|
|
char *user = NULL;
|
|
char *password = NULL;
|
|
char *workgroup = NULL;
|
|
char *path = NULL;
|
|
struct {
|
|
const char * create_time_attr;
|
|
const char * access_time_attr;
|
|
const char * write_time_attr;
|
|
const char * change_time_attr;
|
|
} attr_strings;
|
|
uint16_t port = 0;
|
|
TALLOC_CTX *frame = talloc_stackframe();
|
|
|
|
if (!context || !context->internal->initialized) {
|
|
errno = EINVAL; /* Best I can think of ... */
|
|
TALLOC_FREE(frame);
|
|
return -1;
|
|
}
|
|
|
|
if (!fname) {
|
|
errno = EINVAL;
|
|
TALLOC_FREE(frame);
|
|
return -1;
|
|
}
|
|
|
|
DEBUG(4, ("smbc_getxattr(%s, %s)\n", fname, name));
|
|
|
|
if (SMBC_parse_path(frame,
|
|
context,
|
|
fname,
|
|
&workgroup,
|
|
&server,
|
|
&port,
|
|
&share,
|
|
&path,
|
|
&user,
|
|
&password,
|
|
NULL)) {
|
|
errno = EINVAL;
|
|
TALLOC_FREE(frame);
|
|
return -1;
|
|
}
|
|
|
|
if (!user || user[0] == (char)0) {
|
|
user = talloc_strdup(frame, smbc_getUser(context));
|
|
if (!user) {
|
|
errno = ENOMEM;
|
|
TALLOC_FREE(frame);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
srv = SMBC_server(frame, context, True,
|
|
server, port, share, &workgroup, &user, &password);
|
|
if (!srv) {
|
|
TALLOC_FREE(frame);
|
|
return -1; /* errno set by SMBC_server */
|
|
}
|
|
|
|
if (! srv->no_nt_session) {
|
|
ipc_srv = SMBC_attr_server(frame, context, server, port, share,
|
|
&workgroup, &user, &password);
|
|
/*
|
|
* SMBC_attr_server() can cause the original
|
|
* server to be removed from the cache.
|
|
* If so we must error out here as the srv
|
|
* pointer has been freed.
|
|
*/
|
|
if (smbc_getFunctionGetCachedServer(context)(context,
|
|
server,
|
|
share,
|
|
workgroup,
|
|
user) != srv) {
|
|
#if defined(ECONNRESET)
|
|
errno = ECONNRESET;
|
|
#else
|
|
errno = ETIMEDOUT;
|
|
#endif
|
|
TALLOC_FREE(frame);
|
|
return -1;
|
|
}
|
|
if (! ipc_srv) {
|
|
srv->no_nt_session = True;
|
|
}
|
|
} else {
|
|
ipc_srv = NULL;
|
|
}
|
|
|
|
/* Determine whether to use old-style or new-style attribute names */
|
|
if (context->internal->full_time_names) {
|
|
/* new-style names */
|
|
attr_strings.create_time_attr = "system.dos_attr.CREATE_TIME";
|
|
attr_strings.access_time_attr = "system.dos_attr.ACCESS_TIME";
|
|
attr_strings.write_time_attr = "system.dos_attr.WRITE_TIME";
|
|
attr_strings.change_time_attr = "system.dos_attr.CHANGE_TIME";
|
|
} else {
|
|
/* old-style names */
|
|
attr_strings.create_time_attr = NULL;
|
|
attr_strings.access_time_attr = "system.dos_attr.A_TIME";
|
|
attr_strings.write_time_attr = "system.dos_attr.M_TIME";
|
|
attr_strings.change_time_attr = "system.dos_attr.C_TIME";
|
|
}
|
|
|
|
/* Are they requesting a supported attribute? */
|
|
if (strcasecmp_m(name, "system.*") == 0 ||
|
|
strncasecmp_m(name, "system.*!", 9) == 0 ||
|
|
strcasecmp_m(name, "system.*+") == 0 ||
|
|
strncasecmp_m(name, "system.*+!", 10) == 0 ||
|
|
strcasecmp_m(name, "system.nt_sec_desc.*") == 0 ||
|
|
strncasecmp_m(name, "system.nt_sec_desc.*!", 21) == 0 ||
|
|
strcasecmp_m(name, "system.nt_sec_desc.*+") == 0 ||
|
|
strncasecmp_m(name, "system.nt_sec_desc.*+!", 22) == 0 ||
|
|
strcasecmp_m(name, "system.nt_sec_desc.revision") == 0 ||
|
|
strcasecmp_m(name, "system.nt_sec_desc.owner") == 0 ||
|
|
strcasecmp_m(name, "system.nt_sec_desc.owner+") == 0 ||
|
|
strcasecmp_m(name, "system.nt_sec_desc.group") == 0 ||
|
|
strcasecmp_m(name, "system.nt_sec_desc.group+") == 0 ||
|
|
strncasecmp_m(name, "system.nt_sec_desc.acl", 22) == 0 ||
|
|
strncasecmp_m(name, "system.nt_sec_desc.acl+", 23) == 0 ||
|
|
strcasecmp_m(name, "system.dos_attr.*") == 0 ||
|
|
strncasecmp_m(name, "system.dos_attr.*!", 18) == 0 ||
|
|
strcasecmp_m(name, "system.dos_attr.mode") == 0 ||
|
|
strcasecmp_m(name, "system.dos_attr.size") == 0 ||
|
|
(attr_strings.create_time_attr != NULL &&
|
|
strcasecmp_m(name, attr_strings.create_time_attr) == 0) ||
|
|
strcasecmp_m(name, attr_strings.access_time_attr) == 0 ||
|
|
strcasecmp_m(name, attr_strings.write_time_attr) == 0 ||
|
|
strcasecmp_m(name, attr_strings.change_time_attr) == 0 ||
|
|
strcasecmp_m(name, "system.dos_attr.inode") == 0) {
|
|
|
|
/* Yup. */
|
|
const char *filename = name;
|
|
ret = cacl_get(context, talloc_tos(), srv,
|
|
ipc_srv == NULL ? NULL : ipc_srv->cli,
|
|
&ipc_srv->pol, path,
|
|
filename,
|
|
discard_const_p(char, value),
|
|
size);
|
|
if (ret < 0 && errno == 0) {
|
|
errno = SMBC_errno(context, srv->cli);
|
|
}
|
|
TALLOC_FREE(frame);
|
|
return ret;
|
|
}
|
|
|
|
/* Unsupported attribute name */
|
|
errno = EINVAL;
|
|
TALLOC_FREE(frame);
|
|
return -1;
|
|
}
|
|
|
|
|
|
int
|
|
SMBC_removexattr_ctx(SMBCCTX *context,
|
|
const char *fname,
|
|
const char *name)
|
|
{
|
|
int ret;
|
|
SMBCSRV *srv = NULL;
|
|
SMBCSRV *ipc_srv = NULL;
|
|
char *server = NULL;
|
|
char *share = NULL;
|
|
char *user = NULL;
|
|
char *password = NULL;
|
|
char *workgroup = NULL;
|
|
char *path = NULL;
|
|
uint16_t port = 0;
|
|
TALLOC_CTX *frame = talloc_stackframe();
|
|
|
|
if (!context || !context->internal->initialized) {
|
|
errno = EINVAL; /* Best I can think of ... */
|
|
TALLOC_FREE(frame);
|
|
return -1;
|
|
}
|
|
|
|
if (!fname) {
|
|
errno = EINVAL;
|
|
TALLOC_FREE(frame);
|
|
return -1;
|
|
}
|
|
|
|
DEBUG(4, ("smbc_removexattr(%s, %s)\n", fname, name));
|
|
|
|
if (SMBC_parse_path(frame,
|
|
context,
|
|
fname,
|
|
&workgroup,
|
|
&server,
|
|
&port,
|
|
&share,
|
|
&path,
|
|
&user,
|
|
&password,
|
|
NULL)) {
|
|
errno = EINVAL;
|
|
TALLOC_FREE(frame);
|
|
return -1;
|
|
}
|
|
|
|
if (!user || user[0] == (char)0) {
|
|
user = talloc_strdup(frame, smbc_getUser(context));
|
|
if (!user) {
|
|
errno = ENOMEM;
|
|
TALLOC_FREE(frame);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
srv = SMBC_server(frame, context, True,
|
|
server, port, share, &workgroup, &user, &password);
|
|
if (!srv) {
|
|
TALLOC_FREE(frame);
|
|
return -1; /* errno set by SMBC_server */
|
|
}
|
|
|
|
if (! srv->no_nt_session) {
|
|
int saved_errno;
|
|
ipc_srv = SMBC_attr_server(frame, context, server, port, share,
|
|
&workgroup, &user, &password);
|
|
saved_errno = errno;
|
|
/*
|
|
* SMBC_attr_server() can cause the original
|
|
* server to be removed from the cache.
|
|
* If so we must error out here as the srv
|
|
* pointer has been freed.
|
|
*/
|
|
if (smbc_getFunctionGetCachedServer(context)(context,
|
|
server,
|
|
share,
|
|
workgroup,
|
|
user) != srv) {
|
|
#if defined(ECONNRESET)
|
|
errno = ECONNRESET;
|
|
#else
|
|
errno = ETIMEDOUT;
|
|
#endif
|
|
TALLOC_FREE(frame);
|
|
return -1;
|
|
}
|
|
if (! ipc_srv) {
|
|
errno = saved_errno;
|
|
srv->no_nt_session = True;
|
|
}
|
|
} else {
|
|
ipc_srv = NULL;
|
|
}
|
|
|
|
if (! ipc_srv) {
|
|
TALLOC_FREE(frame);
|
|
return -1; /* errno set by SMBC_attr_server */
|
|
}
|
|
|
|
/* Are they asking to set the entire ACL? */
|
|
if (strcasecmp_m(name, "system.nt_sec_desc.*") == 0 ||
|
|
strcasecmp_m(name, "system.nt_sec_desc.*+") == 0) {
|
|
|
|
/* Yup. */
|
|
ret = cacl_set(context, talloc_tos(), srv->cli,
|
|
ipc_srv->cli, &ipc_srv->pol, path,
|
|
NULL, SMBC_XATTR_MODE_REMOVE_ALL, 0);
|
|
TALLOC_FREE(frame);
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* Are they asking to remove one or more spceific security descriptor
|
|
* attributes?
|
|
*/
|
|
if (strcasecmp_m(name, "system.nt_sec_desc.revision") == 0 ||
|
|
strcasecmp_m(name, "system.nt_sec_desc.owner") == 0 ||
|
|
strcasecmp_m(name, "system.nt_sec_desc.owner+") == 0 ||
|
|
strcasecmp_m(name, "system.nt_sec_desc.group") == 0 ||
|
|
strcasecmp_m(name, "system.nt_sec_desc.group+") == 0 ||
|
|
strncasecmp_m(name, "system.nt_sec_desc.acl", 22) == 0 ||
|
|
strncasecmp_m(name, "system.nt_sec_desc.acl+", 23) == 0) {
|
|
|
|
/* Yup. */
|
|
ret = cacl_set(context, talloc_tos(), srv->cli,
|
|
ipc_srv->cli, &ipc_srv->pol, path,
|
|
discard_const_p(char, name) + 19,
|
|
SMBC_XATTR_MODE_REMOVE, 0);
|
|
TALLOC_FREE(frame);
|
|
return ret;
|
|
}
|
|
|
|
/* Unsupported attribute name */
|
|
errno = EINVAL;
|
|
TALLOC_FREE(frame);
|
|
return -1;
|
|
}
|
|
|
|
int
|
|
SMBC_listxattr_ctx(SMBCCTX *context,
|
|
const char *fname,
|
|
char *list,
|
|
size_t size)
|
|
{
|
|
/*
|
|
* This isn't quite what listxattr() is supposed to do. This returns
|
|
* the complete set of attribute names, always, rather than only those
|
|
* attribute names which actually exist for a file. Hmmm...
|
|
*/
|
|
size_t retsize;
|
|
const char supported_old[] =
|
|
"system.*\0"
|
|
"system.*+\0"
|
|
"system.nt_sec_desc.revision\0"
|
|
"system.nt_sec_desc.owner\0"
|
|
"system.nt_sec_desc.owner+\0"
|
|
"system.nt_sec_desc.group\0"
|
|
"system.nt_sec_desc.group+\0"
|
|
"system.nt_sec_desc.acl.*\0"
|
|
"system.nt_sec_desc.acl\0"
|
|
"system.nt_sec_desc.acl+\0"
|
|
"system.nt_sec_desc.*\0"
|
|
"system.nt_sec_desc.*+\0"
|
|
"system.dos_attr.*\0"
|
|
"system.dos_attr.mode\0"
|
|
"system.dos_attr.c_time\0"
|
|
"system.dos_attr.a_time\0"
|
|
"system.dos_attr.m_time\0"
|
|
;
|
|
const char supported_new[] =
|
|
"system.*\0"
|
|
"system.*+\0"
|
|
"system.nt_sec_desc.revision\0"
|
|
"system.nt_sec_desc.owner\0"
|
|
"system.nt_sec_desc.owner+\0"
|
|
"system.nt_sec_desc.group\0"
|
|
"system.nt_sec_desc.group+\0"
|
|
"system.nt_sec_desc.acl.*\0"
|
|
"system.nt_sec_desc.acl\0"
|
|
"system.nt_sec_desc.acl+\0"
|
|
"system.nt_sec_desc.*\0"
|
|
"system.nt_sec_desc.*+\0"
|
|
"system.dos_attr.*\0"
|
|
"system.dos_attr.mode\0"
|
|
"system.dos_attr.create_time\0"
|
|
"system.dos_attr.access_time\0"
|
|
"system.dos_attr.write_time\0"
|
|
"system.dos_attr.change_time\0"
|
|
;
|
|
const char * supported;
|
|
|
|
if (context->internal->full_time_names) {
|
|
supported = supported_new;
|
|
retsize = sizeof(supported_new);
|
|
} else {
|
|
supported = supported_old;
|
|
retsize = sizeof(supported_old);
|
|
}
|
|
|
|
if (size == 0) {
|
|
return retsize;
|
|
}
|
|
|
|
if (retsize > size) {
|
|
errno = ERANGE;
|
|
return -1;
|
|
}
|
|
|
|
/* this can't be strcpy() because there are embedded null characters */
|
|
memcpy(list, supported, retsize);
|
|
return retsize;
|
|
}
|