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/*
Unix SMB/CIFS implementation.
Get NT ACLs from UNIX files.
Copyright (C) Tim Potter <tpot@samba.org> 2005
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"
#include "system/filesys.h"
#include "librpc/gen_ndr/ndr_xattr.h"
#include "lib/util/wrap_xattr.h"
#include "param/param.h"
static void ntacl_print_debug_helper(struct ndr_print *ndr, const char *format, ...) PRINTF_ATTRIBUTE(2,3);
static void ntacl_print_debug_helper(struct ndr_print *ndr, const char *format, ...)
{
va_list ap;
char *s = NULL;
int i;
va_start(ap, format);
vasprintf(&s, format, ap);
va_end(ap);
for (i=0;i<ndr->depth;i++) {
printf(" ");
}
printf("%s\n", s);
free(s);
}
static NTSTATUS get_ntacl(TALLOC_CTX *mem_ctx,
char *filename,
struct xattr_NTACL **ntacl,
ssize_t *ntacl_len)
{
DATA_BLOB blob;
ssize_t size;
enum ndr_err_code ndr_err;
struct ndr_pull *ndr;
*ntacl = talloc(mem_ctx, struct xattr_NTACL);
size = wrap_getxattr(filename, XATTR_NTACL_NAME, NULL, 0);
if (size < 0) {
fprintf(stderr, "get_ntacl: %s\n", strerror(errno));
return NT_STATUS_INTERNAL_ERROR;
}
blob.data = talloc_array(*ntacl, uint8_t, size);
size = wrap_getxattr(filename, XATTR_NTACL_NAME, blob.data, size);
if (size < 0) {
fprintf(stderr, "get_ntacl: %s\n", strerror(errno));
return NT_STATUS_INTERNAL_ERROR;
}
blob.length = size;
ndr = ndr_pull_init_blob(&blob, NULL, NULL);
ndr_err = ndr_pull_xattr_NTACL(ndr, NDR_SCALARS|NDR_BUFFERS, *ntacl);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
return ndr_map_error2ntstatus(ndr_err);
}
return NT_STATUS_OK;
}
static void print_ntacl(TALLOC_CTX *mem_ctx,
const char *fname,
struct xattr_NTACL *ntacl)
{
struct ndr_print *pr;
pr = talloc_zero(mem_ctx, struct ndr_print);
if (!pr) return;
pr->print = ntacl_print_debug_helper;
ndr_print_xattr_NTACL(pr, fname, ntacl);
talloc_free(pr);
}
int main(int argc, char *argv[])
{
NTSTATUS status;
struct xattr_NTACL *ntacl;
ssize_t ntacl_len;
if (argc != 2) {
fprintf(stderr, "Usage: getntacl FILENAME\n");
return 1;
}
status = get_ntacl(NULL, argv[1], &ntacl, &ntacl_len);
if (!NT_STATUS_IS_OK(status)) {
fprintf(stderr, "get_ntacl failed: %s\n", nt_errstr(status));
return 1;
}
print_ntacl(ntacl, argv[1], ntacl);
talloc_free(ntacl);
return 0;
}
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