From 8daa83a594a2e98f39d764422bfbdbc62c9efd44 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 19:20:00 +0200 Subject: Adding upstream version 2:4.20.0+dfsg. Signed-off-by: Daniel Baumann --- source3/modules/vfs_aixacl.c | 131 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 131 insertions(+) create mode 100644 source3/modules/vfs_aixacl.c (limited to 'source3/modules/vfs_aixacl.c') diff --git a/source3/modules/vfs_aixacl.c b/source3/modules/vfs_aixacl.c new file mode 100644 index 0000000..0628fae --- /dev/null +++ b/source3/modules/vfs_aixacl.c @@ -0,0 +1,131 @@ +/* + Unix SMB/Netbios implementation. + VFS module to get and set posix acls + Copyright (C) Jim McDonough 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 . +*/ + +#include "includes.h" +#include "system/filesys.h" +#include "smbd/smbd.h" +#include "vfs_aixacl_util.h" + +SMB_ACL_T aixacl_sys_acl_get_fd(vfs_handle_struct *handle, + files_struct *fsp, + SMB_ACL_TYPE_T type, + TALLOC_CTX *mem_ctx) +{ + + 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 fstatacl */ + + DEBUG(10,("Entering AIX sys_acl_get_fd\n")); + DEBUG(10,("fd is %d\n",fsp_get_io_fd(fsp))); + 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_get_io_fd(fsp),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_get_io_fd(fsp),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, mem_ctx); + SAFE_FREE(file_acl); + return result; + + /*errno = ENOTSUP; + return NULL;*/ +} + +int aixacl_sys_acl_set_fd(vfs_handle_struct *handle, + files_struct *fsp, + 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; + + if (fsp->fsp_flags.is_pathref) { + /* + * This is no longer a handle based call. + */ + return chacl(fsp->fsp_name->base_name, + file_acl, + file_acl->acl_len); + } + + rc = fchacl(fsp_get_io_fd(fsp),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_fd(vfs_handle_struct *handle, + files_struct *fsp) +{ + return 0; /* otherwise you can't set acl at upper level */ +} + +static struct vfs_fn_pointers vfs_aixacl_fns = { + .sys_acl_get_fd_fn = aixacl_sys_acl_get_fd, + .sys_acl_blob_get_fd_fn = posix_sys_acl_blob_get_fd, + .sys_acl_set_fd_fn = aixacl_sys_acl_set_fd, + .sys_acl_delete_def_fd_fn = aixacl_sys_acl_delete_def_fd, +}; + +static_decl_vfs; +NTSTATUS vfs_aixacl_init(TALLOC_CTX *ctx) +{ + return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "aixacl", + &vfs_aixacl_fns); +} -- cgit v1.2.3