ntvfs: Use wbclient for pvfs_acl and pvfs_acl_nfs4

(This used to be commit ac5e5fee1db2999053dee82d1fcf97ca8799c9b5)

4 files changed, 166 insertions, 49 deletions

diff --git a/source4/ntvfs/posix/pvfs_acl.c b/source4/ntvfs/posix/pvfs_acl.c
index 5070f6852d0..2393a2e7a3c 100644
--- a/source4/ntvfs/posix/pvfs_acl.c
+++ b/source4/ntvfs/posix/pvfs_acl.c
@@ -126,6 +126,8 @@ static NTSTATUS pvfs_default_acl(struct pvfs_state *pvfs,
 	NTSTATUS status;
 	struct security_ace ace;
 	mode_t mode;
+	struct id_mapping *ids;
+	struct composite_context *ctx;
 
 	*psd = security_descriptor_initialise(req);
 	if (*psd == NULL) {
@@ -133,15 +135,33 @@ static NTSTATUS pvfs_default_acl(struct pvfs_state *pvfs,
 	}
 	sd = *psd;
 
-	status = sidmap_uid_to_sid(pvfs->sidmap, sd, name->st.st_uid, &sd->owner_sid);
-	if (!NT_STATUS_IS_OK(status)) {
-		return status;
-	}
-	status = sidmap_gid_to_sid(pvfs->sidmap, sd, name->st.st_gid, &sd->group_sid);
-	if (!NT_STATUS_IS_OK(status)) {
-		return status;
-	}
+	ids = talloc_array(sd, struct id_mapping, 2);
+	NT_STATUS_HAVE_NO_MEMORY(ids);
+
+	ids[0].unixid = talloc(ids, struct unixid);
+	NT_STATUS_HAVE_NO_MEMORY(ids[0].unixid);
+
+	ids[0].unixid->id = name->st.st_uid;
+	ids[0].unixid->type = ID_TYPE_UID;
+	ids[0].sid = NULL;
 
+	ids[1].unixid = talloc(ids, struct unixid);
+	NT_STATUS_HAVE_NO_MEMORY(ids[1].unixid);
+
+	ids[1].unixid->id = name->st.st_gid;
+	ids[1].unixid->type = ID_TYPE_GID;
+	ids[1].sid = NULL;
+
+	ctx = wbc_xids_to_sids_send(pvfs->wbc_ctx, ids, 2, ids);
+	NT_STATUS_HAVE_NO_MEMORY(ctx);
+
+	status = wbc_xids_to_sids_recv(ctx, &ids);
+	NT_STATUS_NOT_OK_RETURN(status);
+
+	sd->owner_sid = talloc_steal(sd, ids[0].sid);
+	sd->group_sid = talloc_steal(sd, ids[1].sid);
+
+	talloc_free(ids);
 	sd->type |= SEC_DESC_DACL_PRESENT;
 
 	mode = name->st.st_mode;
@@ -248,6 +268,8 @@ NTSTATUS pvfs_acl_set(struct pvfs_state *pvfs,
 	gid_t old_gid = -1;
 	uid_t new_uid = -1;
 	gid_t new_gid = -1;
+	struct id_mapping *ids;
+	struct composite_context *ctx;
 
 	if (pvfs->acl_ops != NULL) {
 		status = pvfs->acl_ops->acl_load(pvfs, name, fd, req, &sd);
@@ -259,6 +281,12 @@ NTSTATUS pvfs_acl_set(struct pvfs_state *pvfs,
 		return status;
 	}
 
+	ids = talloc(req, struct id_mapping);
+	NT_STATUS_HAVE_NO_MEMORY(ids);
+	ids->unixid = NULL;
+	ids->sid = NULL;
+	ids->status = NT_STATUS_NONE_MAPPED;
+
 	new_sd = info->set_secdesc.in.sd;
 	orig_sd = *sd;
 
@@ -271,8 +299,16 @@ NTSTATUS pvfs_acl_set(struct pvfs_state *pvfs,
 			return NT_STATUS_ACCESS_DENIED;
 		}
 		if (!dom_sid_equal(sd->owner_sid, new_sd->owner_sid)) {
-			status = sidmap_sid_to_unixuid(pvfs->sidmap, new_sd->owner_sid, &new_uid);
+			ids->sid = new_sd->owner_sid;
+			ctx = wbc_sids_to_xids_send(pvfs->wbc_ctx, ids, 1, ids);
+			NT_STATUS_HAVE_NO_MEMORY(ctx);
+			status = wbc_sids_to_xids_recv(ctx, &ids);
 			NT_STATUS_NOT_OK_RETURN(status);
+
+			if (ids->unixid->type == ID_TYPE_BOTH ||
+			    ids->unixid->type == ID_TYPE_UID) {
+				new_uid = ids->unixid->id;
+			}
 		}
 		sd->owner_sid = new_sd->owner_sid;
 	}
@@ -281,8 +317,17 @@ NTSTATUS pvfs_acl_set(struct pvfs_state *pvfs,
 			return NT_STATUS_ACCESS_DENIED;
 		}
 		if (!dom_sid_equal(sd->group_sid, new_sd->group_sid)) {
-			status = sidmap_sid_to_unixgid(pvfs->sidmap, new_sd->group_sid, &new_gid);
+			ids->sid = new_sd->group_sid;
+			ctx = wbc_sids_to_xids_send(pvfs->wbc_ctx, ids, 1, ids);
+			NT_STATUS_HAVE_NO_MEMORY(ctx);
+			status = wbc_sids_to_xids_recv(ctx, &ids);
 			NT_STATUS_NOT_OK_RETURN(status);
+
+			if (ids->unixid->type == ID_TYPE_BOTH ||
+			    ids->unixid->type == ID_TYPE_GID) {
+				new_gid = ids->unixid->id;
+			}
+
 		}
 		sd->group_sid = new_sd->group_sid;
 	}
@@ -664,6 +709,8 @@ NTSTATUS pvfs_acl_inherit(struct pvfs_state *pvfs,
 	struct pvfs_filename *parent;
 	struct security_descriptor *parent_sd, *sd;
 	bool container;
+	struct id_mapping *ids;
+	struct composite_context *ctx;
 
 	/* form the parents path */
 	status = pvfs_resolve_parent(pvfs, req, name, &parent);
@@ -705,14 +752,31 @@ NTSTATUS pvfs_acl_inherit(struct pvfs_state *pvfs,
 		return NT_STATUS_NO_MEMORY;
 	}
 
-	status = sidmap_uid_to_sid(pvfs->sidmap, sd, name->st.st_uid, &sd->owner_sid);
-	if (!NT_STATUS_IS_OK(status)) {
-		return status;
-	}
-	status = sidmap_gid_to_sid(pvfs->sidmap, sd, name->st.st_gid, &sd->group_sid);
-	if (!NT_STATUS_IS_OK(status)) {
-		return status;
-	}
+	ids = talloc_array(sd, struct id_mapping, 2);
+	NT_STATUS_HAVE_NO_MEMORY(ids);
+
+	ids[0].unixid = talloc(ids, struct unixid);
+	NT_STATUS_HAVE_NO_MEMORY(ids[0].unixid);
+	ids[0].unixid->id = name->st.st_uid;
+	ids[0].unixid->type = ID_TYPE_UID;
+	ids[0].sid = NULL;
+	ids[0].status = NT_STATUS_NONE_MAPPED;
+
+	ids[1].unixid = talloc(ids, struct unixid);
+	NT_STATUS_HAVE_NO_MEMORY(ids[1].unixid);
+	ids[1].unixid->id = name->st.st_gid;
+	ids[1].unixid->type = ID_TYPE_GID;
+	ids[1].sid = NULL;
+	ids[1].status = NT_STATUS_NONE_MAPPED;
+
+	ctx = wbc_xids_to_sids_send(pvfs->wbc_ctx, ids, 2, ids);
+	NT_STATUS_HAVE_NO_MEMORY(ctx);
+
+	status = wbc_xids_to_sids_recv(ctx, &ids);
+	NT_STATUS_NOT_OK_RETURN(status);
+
+	sd->owner_sid = talloc_steal(sd, ids[0].sid);
+	sd->group_sid = talloc_steal(sd, ids[1].sid);
 
 	sd->type |= SEC_DESC_DACL_PRESENT;
 
diff --git a/source4/ntvfs/posix/pvfs_acl_nfs4.c b/source4/ntvfs/posix/pvfs_acl_nfs4.c
index 2abb1482a49..fa855555b2a 100644
--- a/source4/ntvfs/posix/pvfs_acl_nfs4.c
+++ b/source4/ntvfs/posix/pvfs_acl_nfs4.c
@@ -38,7 +38,9 @@ static NTSTATUS pvfs_acl_load_nfs4(struct pvfs_state *pvfs, struct pvfs_filename
 	NTSTATUS status;
 	struct nfs4acl *acl;
 	struct security_descriptor *sd;
-	int i;
+	int i, num_ids;
+	struct id_mapping *ids;
+	struct composite_context *ctx;
 
 	acl = talloc_zero(mem_ctx, struct nfs4acl);
 	NT_STATUS_HAVE_NO_MEMORY(acl);
@@ -57,25 +59,57 @@ static NTSTATUS pvfs_acl_load_nfs4(struct pvfs_state *pvfs, struct pvfs_filename
 	sd = *psd;
 
 	sd->type |= acl->a_flags;
-	status = sidmap_uid_to_sid(pvfs->sidmap, sd, name->st.st_uid, &sd->owner_sid);
-	NT_STATUS_NOT_OK_RETURN(status);
-	status = sidmap_gid_to_sid(pvfs->sidmap, sd, name->st.st_gid, &sd->group_sid);
+
+	/* the number of ids to map is the acl count plus uid and gid */
+	num_ids = acl->a_count +2;
+	ids = talloc_array(sd, struct id_mapping, num_ids);
+	NT_STATUS_HAVE_NO_MEMORY(ids);
+
+	ids[0].unixid = talloc(ids, struct unixid);
+	NT_STATUS_HAVE_NO_MEMORY(ids[0].unixid);
+	ids[0].unixid->id = name->st.st_uid;
+	ids[0].unixid->type = ID_TYPE_UID;
+	ids[0].sid = NULL;
+	ids[0].status = NT_STATUS_NONE_MAPPED;
+
+	ids[1].unixid = talloc(ids, struct unixid);
+	NT_STATUS_HAVE_NO_MEMORY(ids[1].unixid);
+	ids[1].unixid->id = name->st.st_gid;
+	ids[1].unixid->type = ID_TYPE_GID;
+	ids[1].sid = NULL;
+	ids[1].status = NT_STATUS_NONE_MAPPED;
+
+	for (i=0;i<acl->a_count;i++) {
+		struct nfs4ace *a = &acl->ace[i];
+		ids[i+2].unixid = talloc(ids, struct unixid);
+		NT_STATUS_HAVE_NO_MEMORY(ids[i+2].unixid);
+		ids[i+2].unixid->id = a->e_id;
+		if (a->e_flags & ACE4_IDENTIFIER_GROUP) {
+			ids[i+2].unixid->type = ID_TYPE_GID;
+		} else {
+			ids[i+2].unixid->type = ID_TYPE_UID;
+		}
+		ids[i+2].sid = NULL;
+		ids[i+2].status = NT_STATUS_NONE_MAPPED;
+	}
+
+	/* Allocate memory for the sids from the security descriptor to be on
+	 * the safe side. */
+	ctx = wbc_xids_to_sids_send(pvfs->wbc_ctx, sd, num_ids, ids);
+	NT_STATUS_HAVE_NO_MEMORY(ctx);
+	status = wbc_xids_to_sids_recv(ctx, &ids);
 	NT_STATUS_NOT_OK_RETURN(status);
 
+	sd->owner_sid = talloc_steal(sd, ids[0].sid);
+	sd->group_sid = talloc_steal(sd, ids[1].sid);
+
 	for (i=0;i<acl->a_count;i++) {
 		struct nfs4ace *a = &acl->ace[i];
 		struct security_ace ace;
-		struct dom_sid *sid;
 		ace.type = a->e_type;
 		ace.flags = a->e_flags;
 		ace.access_mask = a->e_mask;
-		if (a->e_flags & ACE4_IDENTIFIER_GROUP) {
-			status = sidmap_gid_to_sid(pvfs->sidmap, sd, a->e_id, &sid);
-		} else {
-			status = sidmap_uid_to_sid(pvfs->sidmap, sd, a->e_id, &sid);
-		}
-		NT_STATUS_NOT_OK_RETURN(status);
-		ace.trustee = *sid;
+		ace.trustee = *ids[i+2].sid;
 		security_descriptor_dacl_add(sd, &ace);
 	}
 
@@ -93,6 +127,8 @@ static NTSTATUS pvfs_acl_save_nfs4(struct pvfs_state *pvfs, struct pvfs_filename
 	struct nfs4acl acl;
 	int i;
 	TALLOC_CTX *tmp_ctx;
+	struct id_mapping *ids;
+	struct composite_context *ctx;
 
 	tmp_ctx = talloc_new(pvfs);
 	NT_STATUS_HAVE_NO_MEMORY(tmp_ctx);
@@ -110,30 +146,44 @@ static NTSTATUS pvfs_acl_save_nfs4(struct pvfs_state *pvfs, struct pvfs_filename
 		return NT_STATUS_NO_MEMORY;
 	}
 
+	ids = talloc_array(tmp_ctx, struct id_mapping, acl.a_count);
+	if (ids == NULL) {
+		talloc_free(tmp_ctx);
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	for (i=0;i<acl.a_count;i++) {
+		struct security_ace *ace = &sd->dacl->aces[i];
+		ids[i].unixid = NULL;
+		ids[i].sid = dom_sid_dup(ids, &ace->trustee);
+		if (ids[i].sid == NULL) {
+			talloc_free(tmp_ctx);
+			return NT_STATUS_NO_MEMORY;
+		}
+		ids[i].status = NT_STATUS_NONE_MAPPED;
+	}
+
+	ctx = wbc_sids_to_xids_send(pvfs->wbc_ctx,ids, acl.a_count, ids);
+	if (ctx == NULL) {
+		talloc_free(tmp_ctx);
+		return NT_STATUS_NO_MEMORY;
+	}
+	status = wbc_sids_to_xids_recv(ctx, &ids);
+	if (!NT_STATUS_IS_OK(status)) {
+		talloc_free(tmp_ctx);
+		return status;
+	}
+
 	for (i=0;i<acl.a_count;i++) {
 		struct nfs4ace *a = &acl.ace[i];
 		struct security_ace *ace = &sd->dacl->aces[i];
 		a->e_type  = ace->type;
 		a->e_flags = ace->flags;
 		a->e_mask  = ace->access_mask;
-		if (sidmap_sid_is_group(pvfs->sidmap, &ace->trustee)) {
-			gid_t gid;
+		if (ids[i].unixid->type != ID_TYPE_UID) {
 			a->e_flags |= ACE4_IDENTIFIER_GROUP;
-			status = sidmap_sid_to_unixgid(pvfs->sidmap, &ace->trustee, &gid);
-			if (!NT_STATUS_IS_OK(status)) {
-				talloc_free(tmp_ctx);
-				return status;
-			}
-			a->e_id = gid;
-		} else {
-			uid_t uid;
-			status = sidmap_sid_to_unixuid(pvfs->sidmap, &ace->trustee, &uid);
-			if (!NT_STATUS_IS_OK(status)) {
-				talloc_free(tmp_ctx);
-				return status;
-			}
-			a->e_id = uid;
 		}
+		a->e_id = ids[i].unixid->id;
 		a->e_who   = "";
 	}
 
diff --git a/source4/ntvfs/posix/vfs_posix.c b/source4/ntvfs/posix/vfs_posix.c
index ca874d1db1f..ebc2d88e701 100644
--- a/source4/ntvfs/posix/vfs_posix.c
+++ b/source4/ntvfs/posix/vfs_posix.c
@@ -222,8 +222,10 @@ static NTSTATUS pvfs_connect(struct ntvfs_module_context *ntvfs,
 					   event_context_find(pvfs),
 					   pvfs->ntvfs->ctx->config);
 
-	pvfs->sidmap = sidmap_open(pvfs, pvfs->ntvfs->ctx->lp_ctx);
-	if (pvfs->sidmap == NULL) {
+	pvfs->wbc_ctx = wbc_init(pvfs,
+				 pvfs->ntvfs->ctx->msg_ctx,
+				 pvfs->ntvfs->ctx->event_ctx);
+	if (pvfs->wbc_ctx == NULL) {
 		return NT_STATUS_INTERNAL_DB_CORRUPTION;
 	}
 
diff --git a/source4/ntvfs/posix/vfs_posix.h b/source4/ntvfs/posix/vfs_posix.h
index 4d22a917149..441424142f9 100644
--- a/source4/ntvfs/posix/vfs_posix.h
+++ b/source4/ntvfs/posix/vfs_posix.h
@@ -26,6 +26,7 @@
 #include "system/filesys.h"
 #include "ntvfs/ntvfs.h"
 #include "ntvfs/common/ntvfs_common.h"
+#include "libcli/wbclient/wbclient.h"
 #include "dsdb/samdb/samdb.h"
 
 struct pvfs_wait;
@@ -46,7 +47,7 @@ struct pvfs_state {
 	struct brl_context *brl_context;
 	struct odb_context *odb_context;
 	struct notify_context *notify_context;
-	struct sidmap_context *sidmap;
+	struct wbc_context *wbc_ctx;
 
 	/* a list of pending async requests. Needed to support
 	   ntcancel */