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mirror of https://github.com/samba-team/samba.git synced 2025-01-21 18:04:06 +03:00

r23620: Convert set_nt_acl to return NTSTATUS. Also fix the chown

return to correctly return NT_STATUS_INVALID_OWNER if it
should be disallowed. Matches better what W2K3R3 does.

NFSv4 ACL module owners, please examine these changes.

Jeremy.
This commit is contained in:
Jeremy Allison 2007-06-26 22:49:10 +00:00 committed by Gerald (Jerry) Carter
parent 05520d6b0a
commit fc6899a550
15 changed files with 100 additions and 150 deletions

View File

@ -295,18 +295,18 @@ static size_t skel_get_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
return 0;
}
static BOOL skel_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp, int
static NTSTATUS skel_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp, int
fd, uint32 security_info_sent, SEC_DESC *psd)
{
errno = ENOSYS;
return False;
return NT_STATUS_NOT_IMPLEMENTED;
}
static BOOL skel_set_nt_acl(vfs_handle_struct *handle, files_struct *fsp, const
static NTSTATUS skel_set_nt_acl(vfs_handle_struct *handle, files_struct *fsp, const
char *name, uint32 security_info_sent, SEC_DESC *psd)
{
errno = ENOSYS;
return False;
return NT_STATUS_NOT_IMPLEMENTED;
}
static int skel_chmod_acl(vfs_handle_struct *handle, const char *name, mode_t mode)

View File

@ -286,13 +286,13 @@ static size_t skel_get_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
return SMB_VFS_NEXT_GET_NT_ACL(handle, fsp, name, security_info, ppdesc);
}
static BOOL skel_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
static NTSTATUS skel_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
int fd, uint32 security_info_sent, SEC_DESC *psd)
{
return SMB_VFS_NEXT_FSET_NT_ACL(handle, fsp, fd, security_info_sent, psd);
}
static BOOL skel_set_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
static NTSTATUS skel_set_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
const char *name, uint32 security_info_sent, SEC_DESC *psd)
{
return SMB_VFS_NEXT_SET_NT_ACL(handle, fsp, name, security_info_sent, psd);

View File

@ -71,6 +71,7 @@
* timestamp resolition. JRA. */
/* Changed to version21 to add chflags operation -- jpeach */
/* Changed to version22 to add lchown operation -- jra */
/* Leave at 22 - not yet released. But change set_nt_acl to return an NTSTATUS. jra. */
#define SMB_VFS_INTERFACE_VERSION 22
@ -300,8 +301,8 @@ struct vfs_ops {
size_t (*fget_nt_acl)(struct vfs_handle_struct *handle, struct files_struct *fsp, int fd, uint32 security_info, struct security_descriptor **ppdesc);
size_t (*get_nt_acl)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, uint32 security_info, struct security_descriptor **ppdesc);
BOOL (*fset_nt_acl)(struct vfs_handle_struct *handle, struct files_struct *fsp, int fd, uint32 security_info_sent, struct security_descriptor *psd);
BOOL (*set_nt_acl)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, uint32 security_info_sent, struct security_descriptor *psd);
NTSTATUS (*fset_nt_acl)(struct vfs_handle_struct *handle, struct files_struct *fsp, int fd, uint32 security_info_sent, struct security_descriptor *psd);
NTSTATUS (*set_nt_acl)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, uint32 security_info_sent, struct security_descriptor *psd);
/* POSIX ACL operations. */

View File

@ -42,7 +42,7 @@ typedef struct _SMB_ACL4_INT_T
extern struct current_user current_user;
extern int try_chown(connection_struct *conn, const char *fname, uid_t uid, gid_t gid);
extern BOOL unpack_nt_owners(int snum, uid_t *puser, gid_t *pgrp,
extern NTSTATUS unpack_nt_owners(int snum, uid_t *puser, gid_t *pgrp,
uint32 security_info_sent, SEC_DESC *psd);
static SMB_ACL4_INT_T *get_validated_aclint(SMB4ACL_T *acl)
@ -559,7 +559,7 @@ static SMB4ACL_T *smbacl4_win2nfs4(
return acl;
}
BOOL smb_set_nt_acl_nfs4(files_struct *fsp,
NTSTATUS smb_set_nt_acl_nfs4(files_struct *fsp,
uint32 security_info_sent,
SEC_DESC *psd,
set_nfs4acl_native_fn_t set_nfs4_native)
@ -569,7 +569,6 @@ BOOL smb_set_nt_acl_nfs4(files_struct *fsp,
BOOL result;
SMB_STRUCT_STAT sbuf;
BOOL need_chown = False;
uid_t newUID = (uid_t)-1;
gid_t newGID = (gid_t)-1;
@ -580,43 +579,37 @@ BOOL smb_set_nt_acl_nfs4(files_struct *fsp,
{
DEBUG(9, ("security_info_sent (0x%x) ignored\n",
security_info_sent));
return True; /* won't show error - later to be refined... */
return NT_STATUS_OK; /* won't show error - later to be refined... */
}
/* Special behaviours */
if (smbacl4_get_vfs_params(SMBACL4_PARAM_TYPE_NAME, fsp, &params))
return False;
return NT_STATUS_NO_MEMORY;
if (smbacl4_GetFileOwner(fsp, &sbuf))
return False;
return map_nt_error_from_unix(errno);
if (params.do_chown) {
/* chown logic is a copy/paste from posix_acl.c:set_nt_acl */
if (!unpack_nt_owners(SNUM(fsp->conn), &newUID, &newGID, security_info_sent, psd))
{
NTSTATUS status = unpack_nt_owners(SNUM(fsp->conn), &newUID, &newGID, security_info_sent, psd);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(8, ("unpack_nt_owners failed"));
return False;
return status;
}
if (((newUID != (uid_t)-1) && (sbuf.st_uid != newUID)) ||
((newGID != (gid_t)-1) && (sbuf.st_gid != newGID))) {
need_chown = True;
}
if (need_chown) {
if ((newUID == (uid_t)-1 || newUID == current_user.ut.uid)) {
if(try_chown(fsp->conn, fsp->fsp_name, newUID, newGID)) {
DEBUG(3,("chown %s, %u, %u failed. Error = %s.\n",
fsp->fsp_name, (unsigned int)newUID, (unsigned int)newGID, strerror(errno) ));
return False;
((newGID != (gid_t)-1) && (sbuf.st_gid != newGID))) {
if(try_chown(fsp->conn, fsp->fsp_name, newUID, newGID)) {
DEBUG(3,("chown %s, %u, %u failed. Error = %s.\n",
fsp->fsp_name, (unsigned int)newUID, (unsigned int)newGID, strerror(errno) ));
if (errno == EPERM) {
return NT_STATUS_INVALID_OWNER;
}
DEBUG(10,("chown %s, %u, %u succeeded.\n",
fsp->fsp_name, (unsigned int)newUID, (unsigned int)newGID));
if (smbacl4_GetFileOwner(fsp, &sbuf))
return False;
need_chown = False;
} else { /* chown is needed, but _after_ changing acl */
sbuf.st_uid = newUID; /* OWNER@ in case of e_special */
sbuf.st_gid = newGID; /* GROUP@ in case of e_special */
return map_nt_error_from_unix(errno);
}
DEBUG(10,("chown %s, %u, %u succeeded.\n",
fsp->fsp_name, (unsigned int)newUID, (unsigned int)newGID));
if (smbacl4_GetFileOwner(fsp, &sbuf))
return map_nt_error_from_unix(errno);
}
}
@ -624,7 +617,7 @@ BOOL smb_set_nt_acl_nfs4(files_struct *fsp,
{
acl = smbacl4_win2nfs4(psd->dacl, &params, sbuf.st_uid, sbuf.st_gid);
if (!acl)
return False;
return map_nt_error_from_unix(errno);
smbacl4_dump_nfs4acl(10, acl);
@ -632,25 +625,11 @@ BOOL smb_set_nt_acl_nfs4(files_struct *fsp,
if (result!=True)
{
DEBUG(10, ("set_nfs4_native failed with %s\n", strerror(errno)));
return False;
return map_nt_error_from_unix(errno);
}
} else
DEBUG(10, ("no dacl found; security_info_sent = 0x%x\n", security_info_sent));
/* Any chown pending? */
if (need_chown) {
DEBUG(3,("chown#2 %s. uid = %u, gid = %u.\n",
fsp->fsp_name, (unsigned int)newUID, (unsigned int)newGID));
if (try_chown(fsp->conn, fsp->fsp_name, newUID, newGID)) {
DEBUG(2,("chown#2 %s, %u, %u failed. Error = %s.\n",
fsp->fsp_name, (unsigned int)newUID, (unsigned int)newGID,
strerror(errno)));
return False;
}
DEBUG(10,("chown#2 %s, %u, %u succeeded.\n",
fsp->fsp_name, (unsigned int)newUID, (unsigned int)newGID));
}
DEBUG(10, ("smb_set_nt_acl_nfs4 succeeded\n"));
return True;
return NT_STATUS_OK;
}

View File

@ -883,7 +883,7 @@ static void merge_unknown_aces(struct afs_acl *src, struct afs_acl *dst)
}
}
static BOOL afs_set_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
static NTSTATUS afs_set_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
uint32 security_info_sent,
struct security_descriptor *psd)
{
@ -980,7 +980,7 @@ static BOOL afs_set_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
free_afs_acl(&old_afs_acl);
free_afs_acl(&new_afs_acl);
return (ret == 0);
return (ret == 0) ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
}
static size_t afsacl_fget_nt_acl(struct vfs_handle_struct *handle,
@ -998,7 +998,7 @@ static size_t afsacl_get_nt_acl(struct vfs_handle_struct *handle,
return afs_get_nt_acl(fsp, security_info, ppdesc);
}
BOOL afsacl_fset_nt_acl(vfs_handle_struct *handle,
NTSTATUS afsacl_fset_nt_acl(vfs_handle_struct *handle,
files_struct *fsp,
int fd, uint32 security_info_sent,
SEC_DESC *psd)
@ -1006,7 +1006,7 @@ BOOL afsacl_fset_nt_acl(vfs_handle_struct *handle,
return afs_set_nt_acl(handle, fsp, security_info_sent, psd);
}
BOOL afsacl_set_nt_acl(vfs_handle_struct *handle,
NTSTATUS afsacl_set_nt_acl(vfs_handle_struct *handle,
files_struct *fsp,
const char *name, uint32 security_info_sent,
SEC_DESC *psd)

View File

@ -366,10 +366,10 @@ static BOOL aixjfs2_process_smbacl(files_struct *fsp, SMB4ACL_T *smbacl)
return True;
}
static BOOL aixjfs2_set_nt_acl_common(files_struct *fsp, uint32 security_info_sent, SEC_DESC *psd)
static NTSTATUS aixjfs2_set_nt_acl_common(files_struct *fsp, uint32 security_info_sent, SEC_DESC *psd)
{
acl_type_t acl_type_info;
BOOL result = False;
NTSTATUS result = NT_STATUS_ACCESS_DENIED;
int rc;
rc = aixjfs2_query_acl_support(
@ -385,17 +385,17 @@ static BOOL aixjfs2_set_nt_acl_common(files_struct *fsp, uint32 security_info_se
} else if (rc==1) { /* assume POSIX ACL - by default... */
result = set_nt_acl(fsp, security_info_sent, psd);
} else
result = False; /* query failed */
result = map_nt_error_from_unix(errno); /* query failed */
return result;
}
BOOL aixjfs2_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp, int fd, uint32 security_info_sent, SEC_DESC *psd)
NTSTATUS aixjfs2_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp, int fd, uint32 security_info_sent, SEC_DESC *psd)
{
return aixjfs2_set_nt_acl_common(fsp, security_info_sent, psd);
}
BOOL aixjfs2_set_nt_acl(vfs_handle_struct *handle, files_struct *fsp, const char *name, uint32 security_info_sent, SEC_DESC *psd)
NTSTATUS aixjfs2_set_nt_acl(vfs_handle_struct *handle, files_struct *fsp, const char *name, uint32 security_info_sent, SEC_DESC *psd)
{
return aixjfs2_set_nt_acl_common(fsp, security_info_sent, psd);
}

View File

@ -184,7 +184,7 @@ static char *cap_realpath(vfs_handle_struct *handle, const char *path, char *res
return SMB_VFS_NEXT_REALPATH(handle, path, resolved_path);
}
static BOOL cap_set_nt_acl(vfs_handle_struct *handle, files_struct *fsp, const char *name, uint32 security_info_sent, struct security_descriptor *psd)
static NTSTATUS cap_set_nt_acl(vfs_handle_struct *handle, files_struct *fsp, const char *name, uint32 security_info_sent, struct security_descriptor *psd)
{
pstring capname;
capencode(capname, name);

View File

@ -238,7 +238,7 @@ static size_t catia_get_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
ppdesc);
}
static BOOL catia_set_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
static NTSTATUS catia_set_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
const char *name, uint32 security_info_sent,
struct security_descriptor_info *psd)
{

View File

@ -947,9 +947,9 @@ static size_t vfswrap_get_nt_acl(vfs_handle_struct *handle, files_struct *fsp, c
return result;
}
static BOOL vfswrap_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp, int fd, uint32 security_info_sent, SEC_DESC *psd)
static NTSTATUS vfswrap_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp, int fd, uint32 security_info_sent, SEC_DESC *psd)
{
BOOL result;
NTSTATUS result;
START_PROFILE(fset_nt_acl);
result = set_nt_acl(fsp, security_info_sent, psd);
@ -957,9 +957,9 @@ static BOOL vfswrap_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp, in
return result;
}
static BOOL vfswrap_set_nt_acl(vfs_handle_struct *handle, files_struct *fsp, const char *name, uint32 security_info_sent, SEC_DESC *psd)
static NTSTATUS vfswrap_set_nt_acl(vfs_handle_struct *handle, files_struct *fsp, const char *name, uint32 security_info_sent, SEC_DESC *psd)
{
BOOL result;
NTSTATUS result;
START_PROFILE(set_nt_acl);
result = set_nt_acl(fsp, security_info_sent, psd);

View File

@ -191,10 +191,10 @@ static size_t smb_full_audit_fget_nt_acl(vfs_handle_struct *handle, files_struct
static size_t smb_full_audit_get_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
const char *name, uint32 security_info,
SEC_DESC **ppdesc);
static BOOL smb_full_audit_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
static NTSTATUS smb_full_audit_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
int fd, uint32 security_info_sent,
SEC_DESC *psd);
static BOOL smb_full_audit_set_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
static NTSTATUS smb_full_audit_set_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
const char *name, uint32 security_info_sent,
SEC_DESC *psd);
static int smb_full_audit_chmod_acl(vfs_handle_struct *handle,
@ -1497,30 +1497,30 @@ static size_t smb_full_audit_get_nt_acl(vfs_handle_struct *handle, files_struct
return result;
}
static BOOL smb_full_audit_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
static NTSTATUS smb_full_audit_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
int fd, uint32 security_info_sent,
SEC_DESC *psd)
{
BOOL result;
NTSTATUS result;
result = SMB_VFS_NEXT_FSET_NT_ACL(handle, fsp, fd, security_info_sent,
psd);
do_log(SMB_VFS_OP_FSET_NT_ACL, result, handle, "%s", fsp->fsp_name);
do_log(SMB_VFS_OP_FSET_NT_ACL, NT_STATUS_IS_OK(result), handle, "%s", fsp->fsp_name);
return result;
}
static BOOL smb_full_audit_set_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
static NTSTATUS smb_full_audit_set_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
const char *name, uint32 security_info_sent,
SEC_DESC *psd)
{
BOOL result;
NTSTATUS result;
result = SMB_VFS_NEXT_SET_NT_ACL(handle, fsp, name, security_info_sent,
psd);
do_log(SMB_VFS_OP_SET_NT_ACL, result, handle, "%s", fsp->fsp_name);
do_log(SMB_VFS_OP_SET_NT_ACL, NT_STATUS_IS_OK(result), handle, "%s", fsp->fsp_name);
return result;
}

View File

@ -334,14 +334,14 @@ static BOOL gpfsacl_process_smbacl(files_struct *fsp, SMB4ACL_T *smbacl)
return True;
}
static BOOL gpfsacl_set_nt_acl_internal(files_struct *fsp, uint32 security_info_sent, SEC_DESC *psd)
static NTSTATUS gpfsacl_set_nt_acl_internal(files_struct *fsp, uint32 security_info_sent, SEC_DESC *psd)
{
struct gpfs_acl *acl;
BOOL result = False;
NTSTATUS result = NT_STATUS_ACCESS_DENIED;
acl = gpfs_getacl_alloc(fsp->fsp_name, GPFS_ACL_TYPE_ACCESS);
if (acl == NULL)
return False;
return result;
if (acl->acl_version&GPFS_ACL_VERSION_NFS4)
{
@ -355,12 +355,12 @@ static BOOL gpfsacl_set_nt_acl_internal(files_struct *fsp, uint32 security_info_
return result;
}
static BOOL gpfsacl_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp, int fd, uint32 security_info_sent, SEC_DESC *psd)
static NTSTATUS gpfsacl_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp, int fd, uint32 security_info_sent, SEC_DESC *psd)
{
return gpfsacl_set_nt_acl_internal(fsp, security_info_sent, psd);
}
static BOOL gpfsacl_set_nt_acl(vfs_handle_struct *handle, files_struct *fsp, char *name, uint32 security_info_sent, SEC_DESC *psd)
static NTSTATUS gpfsacl_set_nt_acl(vfs_handle_struct *handle, files_struct *fsp, char *name, uint32 security_info_sent, SEC_DESC *psd)
{
return gpfsacl_set_nt_acl_internal(fsp, security_info_sent, psd);
}

View File

@ -125,7 +125,7 @@ static BOOL zfs_process_smbacl(files_struct *fsp, SMB4ACL_T *smbacl)
* set the local file's acls obtaining it in NT form
* using the NFSv4 format conversion
*/
static BOOL zfs_set_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
static NTSTATUS zfs_set_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
uint32 security_info_sent,
struct security_descriptor *psd)
{
@ -149,7 +149,7 @@ static size_t zfsacl_get_nt_acl(struct vfs_handle_struct *handle,
return zfs_get_nt_acl(fsp, security_info, ppdesc);
}
static BOOL zfsacl_fset_nt_acl(vfs_handle_struct *handle,
static NTSTATUS zfsacl_fset_nt_acl(vfs_handle_struct *handle,
files_struct *fsp,
int fd, uint32 security_info_sent,
SEC_DESC *psd)
@ -157,7 +157,7 @@ static BOOL zfsacl_fset_nt_acl(vfs_handle_struct *handle,
return zfs_set_nt_acl(handle, fsp, security_info_sent, psd);
}
static BOOL zfsacl_set_nt_acl(vfs_handle_struct *handle,
static NTSTATUS zfsacl_set_nt_acl(vfs_handle_struct *handle,
files_struct *fsp,
const char *name, uint32 security_info_sent,
SEC_DESC *psd)

View File

@ -2147,7 +2147,6 @@ error_exit:
WERROR _srvsvc_NetSetFileSecurity(pipes_struct *p, struct srvsvc_NetSetFileSecurity *r)
{
BOOL ret;
DATA_BLOB null_pw;
files_struct *fsp = NULL;
SMB_STRUCT_STAT st;
@ -2215,9 +2214,9 @@ WERROR _srvsvc_NetSetFileSecurity(pipes_struct *p, struct srvsvc_NetSetFileSecur
}
}
ret = SMB_VFS_SET_NT_ACL(fsp, fsp->fsp_name, r->in.securityinformation, r->in.sd_buf.sd);
nt_status = SMB_VFS_SET_NT_ACL(fsp, fsp->fsp_name, r->in.securityinformation, r->in.sd_buf.sd);
if (ret == False) {
if (!NT_STATUS_IS_OK(nt_status)) {
DEBUG(3,("_srv_net_file_set_secdesc: Unable to set NT ACL on file %s\n", r->in.file));
status = WERR_ACCESS_DENIED;
goto error_exit;

View File

@ -1062,7 +1062,7 @@ static NTSTATUS set_sd(files_struct *fsp, char *data, uint32 sd_len, uint32 secu
prs_struct pd;
SEC_DESC *psd = NULL;
TALLOC_CTX *mem_ctx;
BOOL ret;
NTSTATUS status;
if (sd_len == 0 || !lp_nt_acl_support(SNUM(fsp->conn))) {
return NT_STATUS_OK;
@ -1112,16 +1112,10 @@ static NTSTATUS set_sd(files_struct *fsp, char *data, uint32 sd_len, uint32 secu
security_info_sent &= ~DACL_SECURITY_INFORMATION;
}
ret = SMB_VFS_FSET_NT_ACL( fsp, fsp->fh->fd, security_info_sent, psd);
if (!ret) {
talloc_destroy(mem_ctx);
return NT_STATUS_ACCESS_DENIED;
}
status = SMB_VFS_FSET_NT_ACL( fsp, fsp->fh->fd, security_info_sent, psd);
talloc_destroy(mem_ctx);
return NT_STATUS_OK;
return status;
}
/****************************************************************************

View File

@ -923,7 +923,7 @@ static mode_t map_nt_perms( uint32 *mask, int type)
Unpack a SEC_DESC into a UNIX owner and group.
****************************************************************************/
BOOL unpack_nt_owners(int snum, uid_t *puser, gid_t *pgrp, uint32 security_info_sent, SEC_DESC *psd)
NTSTATUS unpack_nt_owners(int snum, uid_t *puser, gid_t *pgrp, uint32 security_info_sent, SEC_DESC *psd)
{
DOM_SID owner_sid;
DOM_SID grp_sid;
@ -933,7 +933,7 @@ BOOL unpack_nt_owners(int snum, uid_t *puser, gid_t *pgrp, uint32 security_info_
if(security_info_sent == 0) {
DEBUG(0,("unpack_nt_owners: no security info sent !\n"));
return True;
return NT_STATUS_OK;
}
/*
@ -961,9 +961,11 @@ BOOL unpack_nt_owners(int snum, uid_t *puser, gid_t *pgrp, uint32 security_info_
DEBUG(3,("unpack_nt_owners: unable to validate"
" owner sid for %s\n",
sid_string_static(&owner_sid)));
return False;
return NT_STATUS_INVALID_OWNER;
}
}
DEBUG(3,("unpack_nt_owners: owner sid mapped to uid %u\n",
(unsigned int)*puser ));
}
/*
@ -981,14 +983,16 @@ BOOL unpack_nt_owners(int snum, uid_t *puser, gid_t *pgrp, uint32 security_info_
} else {
DEBUG(3,("unpack_nt_owners: unable to validate"
" group sid.\n"));
return False;
return NT_STATUS_INVALID_OWNER;
}
}
}
DEBUG(3,("unpack_nt_owners: group sid mapped to gid %u\n",
(unsigned int)*pgrp));
}
DEBUG(5,("unpack_nt_owners: owner_sids validated.\n"));
return True;
return NT_STATUS_OK;
}
/****************************************************************************
@ -3049,6 +3053,7 @@ int try_chown(connection_struct *conn, const char *fname, uid_t uid, gid_t gid)
/* Case (4). */
if (!lp_dos_filemode(SNUM(conn))) {
errno = EPERM;
return -1;
}
@ -3082,7 +3087,7 @@ int try_chown(connection_struct *conn, const char *fname, uid_t uid, gid_t gid)
This should be the only external function needed for the UNIX style set ACL.
****************************************************************************/
BOOL set_nt_acl(files_struct *fsp, uint32 security_info_sent, SEC_DESC *psd)
NTSTATUS set_nt_acl(files_struct *fsp, uint32 security_info_sent, SEC_DESC *psd)
{
connection_struct *conn = fsp->conn;
uid_t user = (uid_t)-1;
@ -3094,15 +3099,13 @@ BOOL set_nt_acl(files_struct *fsp, uint32 security_info_sent, SEC_DESC *psd)
canon_ace *dir_ace_list = NULL;
BOOL acl_perms = False;
mode_t orig_mode = (mode_t)0;
uid_t orig_uid;
gid_t orig_gid;
BOOL need_chown = False;
NTSTATUS status;
DEBUG(10,("set_nt_acl: called for file %s\n", fsp->fsp_name ));
if (!CAN_WRITE(conn)) {
DEBUG(10,("set acl rejected on read-only share\n"));
return False;
return NT_STATUS_MEDIA_WRITE_PROTECTED;
}
/*
@ -3111,40 +3114,29 @@ BOOL set_nt_acl(files_struct *fsp, uint32 security_info_sent, SEC_DESC *psd)
if(fsp->is_directory || fsp->fh->fd == -1) {
if(SMB_VFS_STAT(fsp->conn,fsp->fsp_name, &sbuf) != 0)
return False;
return map_nt_error_from_unix(errno);
} else {
if(SMB_VFS_FSTAT(fsp,fsp->fh->fd,&sbuf) != 0)
return False;
return map_nt_error_from_unix(errno);
}
/* Save the original elements we check against. */
orig_mode = sbuf.st_mode;
orig_uid = sbuf.st_uid;
orig_gid = sbuf.st_gid;
/*
* Unpack the user/group/world id's.
*/
if (!unpack_nt_owners( SNUM(conn), &user, &grp, security_info_sent, psd)) {
return False;
status = unpack_nt_owners( SNUM(conn), &user, &grp, security_info_sent, psd);
if (!NT_STATUS_IS_OK(status)) {
return status;
}
/*
* Do we need to chown ?
*/
if (((user != (uid_t)-1) && (orig_uid != user)) || (( grp != (gid_t)-1) && (orig_gid != grp))) {
need_chown = True;
}
/*
* Chown before setting ACL only if we don't change the user, or
* if we change to the current user, but not if we want to give away
* the file.
*/
if (need_chown && (user == (uid_t)-1 || user == current_user.ut.uid)) {
if (((user != (uid_t)-1) && (sbuf.st_uid != user)) || (( grp != (gid_t)-1) && (sbuf.st_gid != grp))) {
DEBUG(3,("set_nt_acl: chown %s. uid = %u, gid = %u.\n",
fsp->fsp_name, (unsigned int)user, (unsigned int)grp ));
@ -3152,7 +3144,10 @@ BOOL set_nt_acl(files_struct *fsp, uint32 security_info_sent, SEC_DESC *psd)
if(try_chown( fsp->conn, fsp->fsp_name, user, grp) == -1) {
DEBUG(3,("set_nt_acl: chown %s, %u, %u failed. Error = %s.\n",
fsp->fsp_name, (unsigned int)user, (unsigned int)grp, strerror(errno) ));
return False;
if (errno == EPERM) {
return NT_STATUS_INVALID_OWNER;
}
return map_nt_error_from_unix(errno);
}
/*
@ -3162,7 +3157,7 @@ BOOL set_nt_acl(files_struct *fsp, uint32 security_info_sent, SEC_DESC *psd)
if(fsp->is_directory) {
if(SMB_VFS_STAT(fsp->conn, fsp->fsp_name, &sbuf) != 0) {
return False;
return map_nt_error_from_unix(errno);
}
} else {
@ -3174,16 +3169,11 @@ BOOL set_nt_acl(files_struct *fsp, uint32 security_info_sent, SEC_DESC *psd)
ret = SMB_VFS_FSTAT(fsp,fsp->fh->fd,&sbuf);
if(ret != 0)
return False;
return map_nt_error_from_unix(errno);
}
/* Save the original elements we check against. */
orig_mode = sbuf.st_mode;
orig_uid = sbuf.st_uid;
orig_gid = sbuf.st_gid;
/* We did it, don't try again */
need_chown = False;
}
create_file_sids(&sbuf, &file_owner_sid, &file_grp_sid);
@ -3198,7 +3188,7 @@ BOOL set_nt_acl(files_struct *fsp, uint32 security_info_sent, SEC_DESC *psd)
DEBUG(3,("set_nt_acl: cannot set permissions\n"));
free_canon_ace_list(file_ace_list);
free_canon_ace_list(dir_ace_list);
return False;
return NT_STATUS_ACCESS_DENIED;
}
/*
@ -3221,7 +3211,7 @@ BOOL set_nt_acl(files_struct *fsp, uint32 security_info_sent, SEC_DESC *psd)
DEBUG(3,("set_nt_acl: failed to set file acl on file %s (%s).\n", fsp->fsp_name, strerror(errno) ));
free_canon_ace_list(file_ace_list);
free_canon_ace_list(dir_ace_list);
return False;
return map_nt_error_from_unix(errno);
}
}
@ -3231,7 +3221,7 @@ BOOL set_nt_acl(files_struct *fsp, uint32 security_info_sent, SEC_DESC *psd)
DEBUG(3,("set_nt_acl: failed to set default acl on directory %s (%s).\n", fsp->fsp_name, strerror(errno) ));
free_canon_ace_list(file_ace_list);
free_canon_ace_list(dir_ace_list);
return False;
return map_nt_error_from_unix(errno);
}
} else {
@ -3256,7 +3246,7 @@ BOOL set_nt_acl(files_struct *fsp, uint32 security_info_sent, SEC_DESC *psd)
DEBUG(3,("set_nt_acl: sys_acl_delete_def_file failed (%s)\n", strerror(errno)));
free_canon_ace_list(file_ace_list);
free_canon_ace_list(dir_ace_list);
return False;
return map_nt_error_from_unix(errno);
}
}
}
@ -3279,7 +3269,7 @@ BOOL set_nt_acl(files_struct *fsp, uint32 security_info_sent, SEC_DESC *psd)
free_canon_ace_list(dir_ace_list);
DEBUG(3,("set_nt_acl: failed to convert file acl to posix permissions for file %s.\n",
fsp->fsp_name ));
return False;
return NT_STATUS_ACCESS_DENIED;
}
if (orig_mode != posix_perms) {
@ -3304,7 +3294,7 @@ BOOL set_nt_acl(files_struct *fsp, uint32 security_info_sent, SEC_DESC *psd)
fsp->fsp_name, (unsigned int)posix_perms, strerror(errno) ));
free_canon_ace_list(file_ace_list);
free_canon_ace_list(dir_ace_list);
return False;
return map_nt_error_from_unix(errno);
}
}
}
@ -3315,20 +3305,7 @@ BOOL set_nt_acl(files_struct *fsp, uint32 security_info_sent, SEC_DESC *psd)
free_canon_ace_list(dir_ace_list);
}
/* Any chown pending? */
if (need_chown) {
DEBUG(3,("set_nt_acl: chown %s. uid = %u, gid = %u.\n",
fsp->fsp_name, (unsigned int)user, (unsigned int)grp ));
if(try_chown( fsp->conn, fsp->fsp_name, user, grp) == -1) {
DEBUG(3,("set_nt_acl: chown %s, %u, %u failed. Error = %s.\n",
fsp->fsp_name, (unsigned int)user, (unsigned int)grp, strerror(errno) ));
return False;
}
}
return True;
return NT_STATUS_OK;
}
/****************************************************************************