From f6ef5b8dd3f1b8d6af104304a9988ff1f8edd182 Mon Sep 17 00:00:00 2001
From: David Oberhollenzer <goliath@infraroot.at>
Date: Fri, 8 May 2020 02:44:33 +0200
Subject: Implement a "subreaper" service flag
For particularly hostile daemons.
Signed-off-by: David Oberhollenzer <goliath@infraroot.at>
---
lib/include/service.h | 2 ++
lib/init/rdsvc.c | 17 +++++++++++++++++
2 files changed, 19 insertions(+)
(limited to 'lib')
diff --git a/lib/include/service.h b/lib/include/service.h
index 0fbf018..05ab8de 100644
--- a/lib/include/service.h
+++ b/lib/include/service.h
@@ -39,6 +39,8 @@ enum {
/* truncate stdout */
SVC_FLAG_TRUNCATE_OUT = 0x01,
+ SVC_FLAG_SUB_REAPER = 0x08,
+
SVC_FLAG_HAS_EXEC = 0x10,
};
diff --git a/lib/init/rdsvc.c b/lib/init/rdsvc.c
index 09ed156..c461d98 100644
--- a/lib/init/rdsvc.c
+++ b/lib/init/rdsvc.c
@@ -204,6 +204,22 @@ static int svc_target(void *user, char *arg, rdline_t *rd)
return 0;
}
+static int svc_subreaper(void *user, char *arg, rdline_t *rd)
+{
+ service_t *svc = user;
+
+ if (try_unescape(arg, rd))
+ return -1;
+
+ if (strcmp(arg, "yes") == 0 || strcmp(arg, "on") == 0 ||
+ strcmp(arg, "true") == 0) {
+ svc->flags |= SVC_FLAG_SUB_REAPER;
+ } else {
+ svc->flags &= ~SVC_FLAG_SUB_REAPER;
+ }
+ return 0;
+}
+
static const cfg_param_t svc_params[] = {
{ "description", 0, svc_desc },
{ "exec", 1, svc_exec },
@@ -212,6 +228,7 @@ static const cfg_param_t svc_params[] = {
{ "tty", 0, svc_tty },
{ "before", 0, svc_before },
{ "after", 0, svc_after },
+ { "subreaper", 0, svc_subreaper },
};
service_t *rdsvc(int dirfd, const char *filename)
--
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