From: Jeremy Allison <jra@samba.org>
Date: Tue, 20 Aug 2019 23:33:57 +0000 (-0700)
Subject: s3: VFS: vfs_cap. Implement mknodat().
X-Git-Tag: tevent-0.10.1~213
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8b27087d9cfbaf9e74538ed2d987531a7ae44d67;p=thirdparty%2Fsamba.git

s3: VFS: vfs_cap. Implement mknodat().

Currently identical to mknod().

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Böhme <slow@samba.org>
---

diff --git a/source3/modules/vfs_cap.c b/source3/modules/vfs_cap.c
index 05c5426919c..a801da0a2eb 100644
--- a/source3/modules/vfs_cap.c
+++ b/source3/modules/vfs_cap.c
@@ -681,6 +681,47 @@ static int cap_mknod(vfs_handle_struct *handle,
 	return ret;
 }
 
+static int cap_mknodat(vfs_handle_struct *handle,
+		files_struct *dirfsp,
+		const struct smb_filename *smb_fname,
+		mode_t mode,
+		SMB_DEV_T dev)
+{
+	struct smb_filename *cap_smb_fname = NULL;
+	char *cappath = capencode(talloc_tos(), smb_fname->base_name);
+	int ret;
+	int saved_errno = 0;
+
+	if (!cappath) {
+		errno = ENOMEM;
+		return -1;
+	}
+	cap_smb_fname = synthetic_smb_fname(talloc_tos(),
+					cappath,
+					NULL,
+					NULL,
+					smb_fname->flags);
+	if (cap_smb_fname == NULL) {
+		TALLOC_FREE(cappath);
+		errno = ENOMEM;
+		return -1;
+	}
+	ret = SMB_VFS_NEXT_MKNODAT(handle,
+			dirfsp,
+			cap_smb_fname,
+			mode,
+			dev);
+	if (ret == -1) {
+		saved_errno = errno;
+	}
+	TALLOC_FREE(cappath);
+	TALLOC_FREE(cap_smb_fname);
+	if (saved_errno != 0) {
+		errno = saved_errno;
+	}
+	return ret;
+}
+
 static struct smb_filename *cap_realpath(vfs_handle_struct *handle,
 			TALLOC_CTX *ctx,
 			const struct smb_filename *smb_fname)
@@ -1036,6 +1077,7 @@ static struct vfs_fn_pointers vfs_cap_fns = {
 	.readlink_fn = cap_readlink,
 	.linkat_fn = cap_linkat,
 	.mknod_fn = cap_mknod,
+	.mknodat_fn = cap_mknodat,
 	.realpath_fn = cap_realpath,
 	.sys_acl_get_file_fn = cap_sys_acl_get_file,
 	.sys_acl_set_file_fn = cap_sys_acl_set_file,