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* Convert JFS2 NFS4/AIXC acls to NT acls and vice versa.
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* Copyright (C) Volker Lendecke, 2006
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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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#include "nfs4_acls.h"
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#define DBGC_CLASS DBGC_VFS
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#define AIXACL2_MODULE_NAME "aixacl2"
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extern SMB_ACL_T aixacl_to_smbacl( struct acl *file_acl);
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extern struct acl *aixacl_smb_to_aixacl(SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl);
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typedef union aixjfs2_acl_t {
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nfs4_acl_int_t jfs2_acl[1];
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aixc_acl_t aixc_acl[1];
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static int32_t aixacl2_getlen(AIXJFS2_ACL_T *acl, acl_type_t *type)
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if(type->u64 == ACL_NFS4) {
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len = acl->jfs2_acl[0].aclLength;
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if(type->u64 == ACL_AIXC) {
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len = acl->aixc_acl[0].acl_len;
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DEBUG(0,("aixacl2_getlen:unknown type:%d\n",type->u64));
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DEBUG(10,("aixacl2_getlen:%d\n",len));
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static AIXJFS2_ACL_T *aixjfs2_getacl_alloc(const char *fname, acl_type_t *type)
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mem_ctx = talloc_tos();
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acl = (AIXJFS2_ACL_T *)TALLOC_SIZE(mem_ctx, len);
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if(type->u64 == ACL_ANY) {
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ctl_flag = ctl_flag | GET_ACLINFO_ONLY;
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ret = aclx_get((char *)fname, ctl_flag, type, acl, &len, &mode);
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if ((ret != 0) && (errno == ENOSPC)) {
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len = aixacl2_getlen(acl, type) + sizeof(AIXJFS2_ACL_T);
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DEBUG(10,("aixjfs2_getacl_alloc - acl_len:%d\n",len));
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acl = (AIXJFS2_ACL_T *)TALLOC_SIZE(mem_ctx, len);
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ret = aclx_get((char *)fname, ctl_flag, type, acl, &len, &mode);
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DEBUG(8, ("aclx_get failed with %s\n", strerror(errno)));
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static bool aixjfs2_get_nfs4_acl(const char *name,
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SMB4ACL_T **ppacl, bool *pretryPosix)
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AIXJFS2_ACL_T *pacl = NULL;
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nfs4_acl_int_t *jfs2_acl = NULL;
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nfs4_ace_int_t *jfs2_ace = NULL;
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DEBUG(10,("jfs2 get_nt_acl invoked for %s\n", name));
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memset(&type, 0, sizeof(acl_type_t));
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pacl = aixjfs2_getacl_alloc(name, &type);
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DEBUG(9, ("aixjfs2_getacl_alloc failed for %s with %s\n",
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name, strerror(errno)));
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jfs2_acl = &pacl->jfs2_acl[0];
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DEBUG(10, ("len: %d, version: %d, nace: %d, type: 0x%x\n",
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jfs2_acl->aclLength, jfs2_acl->aclVersion, jfs2_acl->aclEntryN, type.u64));
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*ppacl = smb_create_smb4acl();
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jfs2_ace = &jfs2_acl->aclEntry[0];
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for (i=0; i<jfs2_acl->aclEntryN; i++) {
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SMB_ACE4PROP_T aceprop;
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DEBUG(10, ("type: %d, iflags: %x, flags: %x, mask: %x, "
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"who: %d, aclLen: %d\n", jfs2_ace->aceType, jfs2_ace->flags,
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jfs2_ace->aceFlags, jfs2_ace->aceMask, jfs2_ace->aceWho.id, jfs2_ace->entryLen));
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aceprop.aceType = jfs2_ace->aceType;
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aceprop.aceFlags = jfs2_ace->aceFlags;
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aceprop.aceMask = jfs2_ace->aceMask;
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aceprop.flags = (jfs2_ace->flags&ACE4_ID_SPECIAL) ? SMB_ACE4_ID_SPECIAL : 0;
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/* don't care it's real content is only 16 or 32 bit */
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aceprop.who.id = jfs2_ace->aceWho.id;
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if (smb_add_ace4(*ppacl, &aceprop)==NULL)
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/* iterate to the next jfs2 ace */
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jfs2_ace = (nfs4_ace_int_t *)(((char *)jfs2_ace) + jfs2_ace->entryLen);
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DEBUG(10,("jfs2 get_nt_acl finished successfully\n"));
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static NTSTATUS aixjfs2_fget_nt_acl(vfs_handle_struct *handle,
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files_struct *fsp, uint32 security_info,
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SMB4ACL_T *pacl = NULL;
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bool retryPosix = False;
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result = aixjfs2_get_nfs4_acl(fsp->fsp_name, &pacl, &retryPosix);
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DEBUG(10, ("retrying with posix acl...\n"));
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return posix_fget_nt_acl(fsp, security_info, ppdesc);
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return NT_STATUS_ACCESS_DENIED;
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return smb_fget_nt_acl_nfs4(fsp, security_info, ppdesc, pacl);
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static NTSTATUS aixjfs2_get_nt_acl(vfs_handle_struct *handle,
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uint32 security_info, SEC_DESC **ppdesc)
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SMB4ACL_T *pacl = NULL;
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bool retryPosix = False;
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result = aixjfs2_get_nfs4_acl(name, &pacl, &retryPosix);
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DEBUG(10, ("retrying with posix acl...\n"));
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return posix_get_nt_acl(handle->conn, name, security_info,
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return NT_STATUS_ACCESS_DENIED;
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return smb_get_nt_acl_nfs4(handle->conn, name, security_info, ppdesc,
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static SMB_ACL_T aixjfs2_get_posix_acl(const char *path, acl_type_t type)
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SMB_ACL_T result = NULL;
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acl = aixjfs2_getacl_alloc(path, &type);
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DEBUG(10, ("aixjfs2_getacl failed for %s with %s\n",
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path, strerror(errno)));
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pacl = &acl->aixc_acl[0];
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DEBUG(10, ("len: %d, mode: %d\n",
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pacl->acl_len, pacl->acl_mode));
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result = aixacl_to_smbacl(pacl);
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if (result == NULL) {
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SMB_ACL_T aixjfs2_sys_acl_get_file(vfs_handle_struct *handle,
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acl_type_t aixjfs2_type;
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case SMB_ACL_TYPE_ACCESS:
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aixjfs2_type.u64 = ACL_AIXC;
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case SMB_ACL_TYPE_DEFAULT:
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DEBUG(0, ("Got AIX JFS2 unsupported type: %d\n", type));
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DEBUG(0, ("Got invalid type: %d\n", type));
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smb_panic("exiting");
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return aixjfs2_get_posix_acl(path_p, aixjfs2_type);
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SMB_ACL_T aixjfs2_sys_acl_get_fd(vfs_handle_struct *handle,
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acl_type_t aixjfs2_type;
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aixjfs2_type.u64 = ACL_AIXC;
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return aixjfs2_get_posix_acl(fsp->fsp_name, aixjfs2_type);
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* Test whether we have that aclType support on the given path
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static int aixjfs2_query_acl_support(
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acl_type_t *pacl_type_info
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acl_types_list_t acl_type_list;
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size_t acl_type_list_len = sizeof(acl_types_list_t);
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memset(&acl_type_list, 0, sizeof(acl_type_list));
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if (aclx_gettypes(filepath, &acl_type_list, &acl_type_list_len)) {
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DEBUG(2, ("aclx_gettypes failed with error %s for %s\n",
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strerror(errno), filepath));
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for(i=0; i<acl_type_list.num_entries; i++) {
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if (acl_type_list.entries[i].u64==aclType) {
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memcpy(pacl_type_info, acl_type_list.entries + i, sizeof(acl_type_t));
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DEBUG(10, ("found %s ACL support for %s\n",
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pacl_type_info->acl_type, filepath));
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return 1; /* haven't found that ACL type. */
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static bool aixjfs2_process_smbacl(files_struct *fsp, SMB4ACL_T *smbacl)
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nfs4_acl_int_t *jfs2acl;
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uint32 aclLen, naces;
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DEBUG(10, ("jfs2_process_smbacl invoked on %s\n", fsp->fsp_name));
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/* no need to be freed which is alloced with mem_ctx */
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mem_ctx = talloc_tos();
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entryLen = sizeof(nfs4_ace_int_t);
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entryLen = entryLen + 4 - (entryLen%4);
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naces = smb_get_naces(smbacl);
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aclLen = ACL_V4_SIZ + naces * entryLen;
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jfs2acl = (nfs4_acl_int_t *)TALLOC_SIZE(mem_ctx, aclLen);
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DEBUG(0, ("TALLOC_SIZE failed\n"));
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jfs2acl->aclLength = ACL_V4_SIZ;
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jfs2acl->aclVersion = NFS4_ACL_INT_STRUCT_VERSION;
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jfs2acl->aclEntryN = 0;
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for(smbace = smb_first_ace4(smbacl); smbace!=NULL; smbace = smb_next_ace4(smbace))
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SMB_ACE4PROP_T *aceprop = smb_get_ace4(smbace);
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nfs4_ace_int_t *jfs2_ace = (nfs4_ace_int_t *)(((char *)jfs2acl) + jfs2acl->aclLength);
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memset(jfs2_ace, 0, entryLen);
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jfs2_ace->entryLen = entryLen; /* won't store textual "who" */
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jfs2_ace->aceType = aceprop->aceType; /* only ACCES|DENY supported by jfs2 */
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jfs2_ace->aceFlags = aceprop->aceFlags;
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jfs2_ace->aceMask = aceprop->aceMask;
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jfs2_ace->flags = (aceprop->flags&SMB_ACE4_ID_SPECIAL) ? ACE4_ID_SPECIAL : 0;
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/* don't care it's real content is only 16 or 32 bit */
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jfs2_ace->aceWho.id = aceprop->who.id;
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/* iterate to the next jfs2 ace */
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jfs2acl->aclLength += jfs2_ace->entryLen;
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jfs2acl->aclEntryN++;
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SMB_ASSERT(jfs2acl->aclEntryN==naces);
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/* Don't query it (again) */
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memset(&acltype, 0, sizeof(acl_type_t));
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acltype.u64 = ACL_NFS4;
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/* won't set S_ISUID - the only one JFS2/NFS4 accepts */
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SET_ACL, /* set only the ACL, not mode bits */
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acltype, /* not a pointer !!! */
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0 /* don't set here mode bits */
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DEBUG(8, ("aclx_put failed with %s\n", strerror(errno)));
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DEBUG(10, ("jfs2_process_smbacl succeeded.\n"));
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static NTSTATUS aixjfs2_set_nt_acl_common(files_struct *fsp, uint32 security_info_sent, const SEC_DESC *psd)
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acl_type_t acl_type_info;
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NTSTATUS result = NT_STATUS_ACCESS_DENIED;
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rc = aixjfs2_query_acl_support(
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result = smb_set_nt_acl_nfs4(
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fsp, security_info_sent, psd,
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aixjfs2_process_smbacl);
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} else if (rc==1) { /* assume POSIX ACL - by default... */
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result = set_nt_acl(fsp, security_info_sent, psd);
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result = map_nt_error_from_unix(errno); /* query failed */
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NTSTATUS aixjfs2_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp, uint32 security_info_sent, const SEC_DESC *psd)
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return aixjfs2_set_nt_acl_common(fsp, security_info_sent, psd);
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int aixjfs2_sys_acl_set_file(vfs_handle_struct *handle,
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struct acl *acl_aixc;
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acl_type_t acl_type_info;
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DEBUG(10, ("aixjfs2_sys_acl_set_file invoked for %s", name));
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rc = aixjfs2_query_acl_support((char *)name, ACL_AIXC, &acl_type_info);
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DEBUG(8, ("jfs2_set_nt_acl: AIXC support not found\n"));
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acl_aixc = aixacl_smb_to_aixacl(type, theacl);
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SET_ACL, /* set only the ACL, not mode bits */
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DEBUG(2, ("aclx_put failed with %s for %s\n",
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strerror(errno), name));
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int aixjfs2_sys_acl_set_fd(vfs_handle_struct *handle,
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struct acl *acl_aixc;
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acl_type_t acl_type_info;
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DEBUG(10, ("aixjfs2_sys_acl_set_fd invoked for %s", fsp->fsp_name));
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rc = aixjfs2_query_acl_support(fsp->fsp_name, ACL_AIXC, &acl_type_info);
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DEBUG(8, ("jfs2_set_nt_acl: AIXC support not found\n"));
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acl_aixc = aixacl_smb_to_aixacl(SMB_ACL_TYPE_ACCESS, theacl);
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SET_ACL, /* set only the ACL, not mode bits */
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DEBUG(2, ("aclx_fput failed with %s for %s\n",
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strerror(errno), fsp->fsp_name));
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int aixjfs2_sys_acl_delete_def_file(vfs_handle_struct *handle,
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/* Not available under AIXC ACL */
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/* Don't report here any error otherwise */
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/* upper layer will break the normal execution */
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/* VFS operations structure */
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static vfs_op_tuple aixjfs2_ops[] =
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{SMB_VFS_OP(aixjfs2_fget_nt_acl),
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SMB_VFS_OP_FGET_NT_ACL,
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SMB_VFS_LAYER_TRANSPARENT},
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{SMB_VFS_OP(aixjfs2_get_nt_acl),
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SMB_VFS_OP_GET_NT_ACL,
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SMB_VFS_LAYER_TRANSPARENT},
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{SMB_VFS_OP(aixjfs2_fset_nt_acl),
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SMB_VFS_OP_FSET_NT_ACL,
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SMB_VFS_LAYER_TRANSPARENT},
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{SMB_VFS_OP(aixjfs2_sys_acl_get_file),
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SMB_VFS_OP_SYS_ACL_GET_FILE,
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SMB_VFS_LAYER_TRANSPARENT},
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{SMB_VFS_OP(aixjfs2_sys_acl_get_fd),
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SMB_VFS_OP_SYS_ACL_GET_FD,
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SMB_VFS_LAYER_TRANSPARENT},
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{SMB_VFS_OP(aixjfs2_sys_acl_set_file),
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SMB_VFS_OP_SYS_ACL_SET_FILE,
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SMB_VFS_LAYER_TRANSPARENT},
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{SMB_VFS_OP(aixjfs2_sys_acl_set_fd),
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SMB_VFS_OP_SYS_ACL_SET_FD,
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SMB_VFS_LAYER_TRANSPARENT},
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{SMB_VFS_OP(aixjfs2_sys_acl_delete_def_file),
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SMB_VFS_OP_SYS_ACL_DELETE_DEF_FILE,
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SMB_VFS_LAYER_TRANSPARENT},
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NTSTATUS vfs_aixacl2_init(void);
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NTSTATUS vfs_aixacl2_init(void)
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return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, AIXACL2_MODULE_NAME,