/* Unix SMB/Netbios implementation. VFS module to get and set posix acls Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2006 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" extern SMB_ACL_T aixacl_to_smbacl( struct acl *file_acl); extern struct acl *aixacl_smb_to_aixacl(SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl); SMB_ACL_T aixacl_sys_acl_get_file(vfs_handle_struct *handle, const char *path_p, SMB_ACL_TYPE_T type) { struct acl *file_acl = (struct acl *)NULL; struct smb_acl_t *result = (struct smb_acl_t *)NULL; int rc = 0; uid_t user_id; /* AIX has no DEFAULT */ if ( type == SMB_ACL_TYPE_DEFAULT ) return NULL; /* Get the acl using statacl */ DEBUG(10,("Entering AIX sys_acl_get_file\n")); DEBUG(10,("path_p is %s\n",path_p)); file_acl = (struct acl *)SMB_MALLOC(BUFSIZ); if(file_acl == NULL) { errno=ENOMEM; DEBUG(0,("Error in AIX sys_acl_get_file: %d\n",errno)); return(NULL); } memset(file_acl,0,BUFSIZ); rc = statacl((char *)path_p,0,file_acl,BUFSIZ); if( (rc == -1) && (errno == ENOSPC)) { struct acl *new_acl = SMB_MALLOC(file_acl->acl_len + sizeof(struct acl)); if( new_acl == NULL) { SAFE_FREE(file_acl); errno = ENOMEM; return NULL; } file_acl = new_acl; rc = statacl((char *)path_p,0,file_acl,file_acl->acl_len+sizeof(struct acl)); if( rc == -1) { DEBUG(0,("statacl returned %d with errno %d\n",rc,errno)); SAFE_FREE(file_acl); return(NULL); } } DEBUG(10,("Got facl and returned it\n")); result = aixacl_to_smbacl(file_acl); SAFE_FREE(file_acl); return result; /*errno = ENOTSUP; return NULL;*/ } SMB_ACL_T aixacl_sys_acl_get_fd(vfs_handle_struct *handle, files_struct *fsp) { struct acl *file_acl = (struct acl *)NULL; struct smb_acl_t *result = (struct smb_acl_t *)NULL; int rc = 0; uid_t user_id; /* Get the acl using fstatacl */ DEBUG(10,("Entering AIX sys_acl_get_fd\n")); DEBUG(10,("fd is %d\n",fsp->fh->fd)); file_acl = (struct acl *)SMB_MALLOC(BUFSIZ); if(file_acl == NULL) { errno=ENOMEM; DEBUG(0,("Error in AIX sys_acl_get_fd is %d\n",errno)); return(NULL); } memset(file_acl,0,BUFSIZ); rc = fstatacl(fsp->fh->fd,0,file_acl,BUFSIZ); if( (rc == -1) && (errno == ENOSPC)) { struct acl *new_acl = SMB_MALLOC(file_acl->acl_len + sizeof(struct acl)); if( new_acl == NULL) { SAFE_FREE(file_acl); errno = ENOMEM; return NULL; } file_acl = new_acl; rc = fstatacl(fsp->fh->fd,0,file_acl,file_acl->acl_len + sizeof(struct acl)); if( rc == -1) { DEBUG(0,("fstatacl returned %d with errno %d\n",rc,errno)); SAFE_FREE(file_acl); return(NULL); } } DEBUG(10,("Got facl and returned it\n")); result = aixacl_to_smbacl(file_acl); SAFE_FREE(file_acl); return result; /*errno = ENOTSUP; return NULL;*/ } int aixacl_sys_acl_set_file(vfs_handle_struct *handle, const char *name, SMB_ACL_TYPE_T type, SMB_ACL_T theacl) { struct acl *file_acl = NULL; unsigned int rc; file_acl = aixacl_smb_to_aixacl(type, theacl); if (!file_acl) return -1; rc = chacl((char *)name,file_acl,file_acl->acl_len); DEBUG(10,("errno is %d\n",errno)); DEBUG(10,("return code is %d\n",rc)); SAFE_FREE(file_acl); DEBUG(10,("Exiting the aixacl_sys_acl_set_file\n")); return rc; } int aixacl_sys_acl_set_fd(vfs_handle_struct *handle, files_struct *fsp, SMB_ACL_T theacl) { struct acl *file_acl = NULL; unsigned int rc; file_acl = aixacl_smb_to_aixacl(SMB_ACL_TYPE_ACCESS, theacl); if (!file_acl) return -1; rc = fchacl(fsp->fh->fd,file_acl,file_acl->acl_len); DEBUG(10,("errno is %d\n",errno)); DEBUG(10,("return code is %d\n",rc)); SAFE_FREE(file_acl); DEBUG(10,("Exiting aixacl_sys_acl_set_fd\n")); return rc; } int aixacl_sys_acl_delete_def_file(vfs_handle_struct *handle, const char *path) { return 0; /* otherwise you can't set acl at upper level */ } /* VFS operations structure */ static vfs_op_tuple aixacl_op_tuples[] = { /* Disk operations */ {SMB_VFS_OP(aixacl_sys_acl_get_file), SMB_VFS_OP_SYS_ACL_GET_FILE, SMB_VFS_LAYER_TRANSPARENT}, {SMB_VFS_OP(aixacl_sys_acl_get_fd), SMB_VFS_OP_SYS_ACL_GET_FD, SMB_VFS_LAYER_TRANSPARENT}, {SMB_VFS_OP(aixacl_sys_acl_set_file), SMB_VFS_OP_SYS_ACL_SET_FILE, SMB_VFS_LAYER_TRANSPARENT}, {SMB_VFS_OP(aixacl_sys_acl_set_fd), SMB_VFS_OP_SYS_ACL_SET_FD, SMB_VFS_LAYER_TRANSPARENT}, {SMB_VFS_OP(aixacl_sys_acl_delete_def_file), SMB_VFS_OP_SYS_ACL_DELETE_DEF_FILE, SMB_VFS_LAYER_TRANSPARENT}, {SMB_VFS_OP(NULL), SMB_VFS_OP_NOOP, SMB_VFS_LAYER_NOOP} }; NTSTATUS vfs_aixacl_init(void); NTSTATUS vfs_aixacl_init(void) { return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "aixacl", aixacl_op_tuples); }