nfsdcld: add remove functionality

Allow the kernel to ask for removal of a client record.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve Dickson <steved@redhat.com>

1 files changed, 36 insertions, 0 deletions

diff --git a/utils/nfsdcld/sqlite.c b/utils/nfsdcld/sqlite.c
index f70568e..a198c34 100644
--- a/utils/nfsdcld/sqlite.c
+++ b/utils/nfsdcld/sqlite.c
@@ -251,3 +251,39 @@ out_err:
 	sqlite3_finalize(stmt);
 	return ret;
 }
+
+/* Remove a client record */
+int
+sqlite_remove_client(const unsigned char *clname, const size_t namelen)
+{
+	int ret;
+	sqlite3_stmt *stmt = NULL;
+
+	ret = sqlite3_prepare_v2(dbh, "DELETE FROM clients WHERE id==?", -1,
+				 &stmt, NULL);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "%s: statement prepare failed: %s",
+				__func__, sqlite3_errmsg(dbh));
+		goto out_err;
+	}
+
+	ret = sqlite3_bind_blob(stmt, 1, (const void *)clname, namelen,
+				SQLITE_STATIC);
+	if (ret != SQLITE_OK) {
+		xlog(L_ERROR, "%s: bind blob failed: %s", __func__,
+				sqlite3_errmsg(dbh));
+		goto out_err;
+	}
+
+	ret = sqlite3_step(stmt);
+	if (ret == SQLITE_DONE)
+		ret = SQLITE_OK;
+	else
+		xlog(L_ERROR, "%s: unexpected return code from delete: %d",
+				__func__, ret);
+
+out_err:
+	xlog(D_GENERAL, "%s: returning %d", __func__, ret);
+	sqlite3_finalize(stmt);
+	return ret;
+}