s3: VFS: Add SMB_VFS_SYMLINKAT().

Currently identical to SMB_VFS_SYMLINK().

Next, add to all VFS modules that implement
symlink and eventually remove symlink.

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

3 files changed, 19 insertions, 0 deletions

diff --git a/source3/include/smbprofile.h b/source3/include/smbprofile.h
index b6c9002973e..51761e11040 100644
--- a/source3/include/smbprofile.h
+++ b/source3/include/smbprofile.h
@@ -84,6 +84,7 @@ struct tevent_context;
 	SMBPROFILE_STATS_BASIC(syscall_fcntl_getlock) \
 	SMBPROFILE_STATS_BASIC(syscall_readlinkat) \
 	SMBPROFILE_STATS_BASIC(syscall_symlink) \
+	SMBPROFILE_STATS_BASIC(syscall_symlinkat) \
 	SMBPROFILE_STATS_BASIC(syscall_linkat) \
 	SMBPROFILE_STATS_BASIC(syscall_mknodat) \
 	SMBPROFILE_STATS_BASIC(syscall_realpath) \
diff --git a/source3/include/vfs.h b/source3/include/vfs.h
index 126ba32aa36..6970be1fb5e 100644
--- a/source3/include/vfs.h
+++ b/source3/include/vfs.h
@@ -276,6 +276,7 @@
 /* Version 42 - Move SMB_VFS_LINK -> SMB_VFS_LINKAT. */
 /* Version 42 - Move SMB_VFS_MKNOD -> SMB_VFS_MKDNODAT. */
 /* Version 42 - Move SMB_VFS_READLINK -> SMB_VFS_READLINKAT. */
+/* Version 42 - Add SMB_VFS_SYMLINKAT. */
 
 #define SMB_VFS_INTERFACE_VERSION 42
 
@@ -798,6 +799,10 @@ struct vfs_fn_pointers {
 	int (*symlink_fn)(struct vfs_handle_struct *handle,
 				const char *link_contents,
 				const struct smb_filename *new_smb_fname);
+	int (*symlinkat_fn)(struct vfs_handle_struct *handle,
+				const char *link_contents,
+				struct files_struct *dirfsp,
+				const struct smb_filename *new_smb_fname);
 	int (*readlinkat_fn)(struct vfs_handle_struct *handle,
 				struct files_struct *dirfsp,
 				const struct smb_filename *smb_fname,
@@ -1332,6 +1337,10 @@ bool smb_vfs_call_getlock(struct vfs_handle_struct *handle,
 int smb_vfs_call_symlink(struct vfs_handle_struct *handle,
 			const char *link_contents,
 			const struct smb_filename *new_smb_fname);
+int smb_vfs_call_symlinkat(struct vfs_handle_struct *handle,
+			const char *link_contents,
+			struct files_struct *dirfsp,
+			const struct smb_filename *new_smb_fname);
 int smb_vfs_call_readlinkat(struct vfs_handle_struct *handle,
 			struct files_struct *dirfsp,
 			const struct smb_filename *smb_fname,
@@ -1763,6 +1772,10 @@ bool vfs_not_implemented_getlock(vfs_handle_struct *handle, files_struct *fsp,
 int vfs_not_implemented_symlink(vfs_handle_struct *handle,
 				const char *link_contents,
 				const struct smb_filename *new_smb_fname);
+int vfs_not_implemented_symlinkat(vfs_handle_struct *handle,
+				const char *link_contents,
+				struct files_struct *dirfsp,
+				const struct smb_filename *new_smb_fname);
 int vfs_not_implemented_vfs_readlinkat(vfs_handle_struct *handle,
 			struct files_struct *dirfsp,
 			const struct smb_filename *smb_fname,
diff --git a/source3/include/vfs_macros.h b/source3/include/vfs_macros.h
index 247e9c286c7..f34becaadfa 100644
--- a/source3/include/vfs_macros.h
+++ b/source3/include/vfs_macros.h
@@ -301,6 +301,11 @@
 #define SMB_VFS_NEXT_SYMLINK(handle, oldpath, newpath) \
 	smb_vfs_call_symlink((handle)->next, (oldpath), (newpath))
 
+#define SMB_VFS_SYMLINKAT(conn, oldpath, dirfsp, newpath) \
+	smb_vfs_call_symlinkat((conn)->vfs_handles, (oldpath), (dirfsp), (newpath))
+#define SMB_VFS_NEXT_SYMLINKAT(handle, oldpath, dirfsp, newpath) \
+	smb_vfs_call_symlinkat((handle)->next, (oldpath), (dirfsp), (newpath))
+
 #define SMB_VFS_READLINKAT(conn, dirfsp, smb_fname, buf, bufsiz) \
 	smb_vfs_call_readlinkat((conn)->vfs_handles, (dirfsp), (smb_fname), (buf), (bufsiz))
 #define SMB_VFS_NEXT_READLINKAT(handle, dirfsp, smb_fname, buf, bufsiz) \