Adding upstream version 2:4.20.0+dfsg.upstream/2%4.20.0+dfsg

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 131 insertions, 0 deletions

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 <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"
+#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);
+}