1 files changed, 102 insertions, 0 deletions
diff --git a/sd_login/systemd_cgroup_skip.go b/sd_login/systemd_cgroup_skip.go
new file mode 100644
index 0000000..e6e9042
--- /dev/null
+++ b/sd_login/systemd_cgroup_skip.go
@@ -0,0 +1,102 @@
+// Copyright (C) 2016-2017 Luke Shumaker <lukeshu@sbcglobal.net>
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package sd_login
+
+// The "skip:" comments in this file are used to automagically
+// generate helper functions.  The lack of a space between "//" and
+// "skip:" is important
+
+import (
+	"strconv"
+	"strings"
+)
+
+func (cgroup _Cgroup) SkipPath(prefix _Cgroup) (_Cgroup, bool) {
+	//skip: SkipPath(prefix _Cgroup) : SkipPath(prefix)
+	rest, ok := path_startswith(string(cgroup), string(prefix))
+	if ok {
+		return _Cgroup(rest), true
+	} else {
+		return cgroup, false
+	}
+}
+
+// Skip (*.slice){1,}
+func (cgroup _Cgroup) SkipSlices() (_Cgroup, bool) {
+	//skip: SkipSlices() : SkipSlices()
+	cg := string(cgroup)
+	skipped := false
+	for {
+		cg = strings.TrimLeft(cg, "/")
+		part, rest := split2(cg, '/')
+		if !valid_slice_name(part) {
+			return _Cgroup(cg), skipped
+		}
+		skipped = true
+		cg = rest
+	}
+}
+
+// Skip user@*.service
+func (cgroup _Cgroup) SkipUserManager() (_Cgroup, bool) {
+	//skip: SkipUserManager() : SkipUserManager()
+	part, rest := split2(strings.TrimLeft(string(cgroup), "/"), '/')
+	uid_str, ok := trimPrefixSuffix(part, "user@", ".service")
+	if !ok {
+		return cgroup, false
+	}
+	_, err := strconv.Atoi(uid_str)
+	if err != nil {
+		return cgroup, false
+	}
+	return _Cgroup(rest), true
+}
+
+// Skip session-*.scope
+func (cgroup _Cgroup) SkipSession() (_Cgroup, bool) {
+	//skip: SkipSession() : SkipSession()
+	part, rest := split2(strings.TrimLeft(string(cgroup), "/"), '/')
+	session, ok := trimPrefixSuffix(part, "session-", ".scope")
+	if !ok {
+		return cgroup, false
+	}
+	if !valid_session_name(session) {
+		return cgroup, false
+	}
+	return _Cgroup(rest), true
+}
+
+// Skip (/*.slice){0,}/(user@*.service|session-*.scope)
+func (cgroup _Cgroup) SkipUserPrefix() (_Cgroup, bool) {
+	//skip: SkipUserPrefix() : SkipUserPrefix()
+	cgroup, _ = cgroup.SkipSlices()
+	cgroup, ok := cgroup.SkipUserManager()
+	if ok {
+		return cgroup, ok
+	}
+	return cgroup.SkipSession()
+}
+
+// Skip cgGetRootPath
+func (cgroup _Cgroup) SkipSystemPrefix() (_Cgroup, bool) {
+	//skip: SkipSystemPrefix() : SkipSystemPrefix()
+
+	rootpath, err := cgGetRootPath()
+	if err != nil {
+		return cgroup, false
+	}
+
+	return cgroup.SkipPath(rootpath)
+}