From: Stefan Metzmacher <metze@samba.org>
Date: Wed, 23 Dec 2020 10:58:08 +0000 (+0100)
Subject: s3:adouble: add adouble_open_from_base_fsp()
X-Git-Tag: tevent-0.11.0~2040
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d62c670c3dd33eafc515ee92be177d1ddcb7b0a9;p=thirdparty%2Fsamba.git

s3:adouble: add adouble_open_from_base_fsp()

For now we only support ADOUBLE_RSRC, but that might change in future.

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
---

diff --git a/source3/lib/adouble.c b/source3/lib/adouble.c
index abd901b2172..e869965876d 100644
--- a/source3/lib/adouble.c
+++ b/source3/lib/adouble.c
@@ -2156,6 +2156,32 @@ static NTSTATUS adouble_open_rsrc_fsp(const struct files_struct *dirfsp,
 	return NT_STATUS_OK;
 }
 
+NTSTATUS adouble_open_from_base_fsp(const struct files_struct *dirfsp,
+				    struct files_struct *base_fsp,
+				    adouble_type_t type,
+				    int flags,
+				    mode_t mode,
+				    struct files_struct **_ad_fsp)
+{
+	*_ad_fsp = NULL;
+
+	SMB_ASSERT(base_fsp != NULL);
+	SMB_ASSERT(base_fsp->base_fsp == NULL);
+
+	switch (type) {
+	case ADOUBLE_META:
+		return NT_STATUS_INTERNAL_ERROR;
+	case ADOUBLE_RSRC:
+		return adouble_open_rsrc_fsp(dirfsp,
+					     base_fsp->fsp_name,
+					     flags,
+					     mode,
+					     _ad_fsp);
+	}
+
+	return NT_STATUS_INTERNAL_ERROR;
+}
+
 /*
  * Here's the deal: for ADOUBLE_META we can do without an fd as we can issue
  * path based xattr calls. For ADOUBLE_RSRC however we need a full-fledged fd
diff --git a/source3/lib/adouble.h b/source3/lib/adouble.h
index 90a825c502e..a5761281670 100644
--- a/source3/lib/adouble.h
+++ b/source3/lib/adouble.h
@@ -164,6 +164,12 @@ bool ad_unconvert(TALLOC_CTX *mem_ctx,
 		  struct smb_filename *smb_fname,
 		  bool *converted);
 struct adouble *ad_init(TALLOC_CTX *ctx, adouble_type_t type);
+NTSTATUS adouble_open_from_base_fsp(const struct files_struct *dirfsp,
+				    struct files_struct *base_fsp,
+				    adouble_type_t type,
+				    int flags,
+				    mode_t mode,
+				    struct files_struct **_ad_fsp);
 struct adouble *ad_get(TALLOC_CTX *ctx,
 		       vfs_handle_struct *handle,
 		       const struct smb_filename *smb_fname,