From 6649b940ad32327427065098e0ad889ac606f748 Mon Sep 17 00:00:00 2001
From: obarun <eric@obarun.org>
Date: Mon, 1 Nov 2021 16:32:33 +1100
Subject: [PATCH] add service_isenabled and service_isenabledat function
---
src/include/66/service.h | 23 +++++
src/lib66/ss_service.c | 184 +++++++++++++++++++++++++++++++++++++++
2 files changed, 207 insertions(+)
create mode 100644 src/include/66/service.h
create mode 100644 src/lib66/ss_service.c
diff --git a/src/include/66/service.h b/src/include/66/service.h
new file mode 100644
index 00000000..71f150fd
--- /dev/null
+++ b/src/include/66/service.h
@@ -0,0 +1,23 @@
+/*
+ * service.h
+ *
+ * Copyright (c) 2018-2021 Eric Vidal <eric@obarun.org>
+ *
+ * All rights reserved.
+ *
+ * This file is part of Obarun. It is subject to the license terms in
+ * the LICENSE file found in the top-level directory of this
+ * distribution.
+ * This file may not be copied, modified, propagated, or distributed
+ * except according to the terms contained in the LICENSE file./
+ */
+
+#ifndef SS_SERVICE_H
+#define SS_SERVICE_H
+
+#include <skalibs/stralloc.h>
+
+int service_isenabled(char const *sv) ;
+int service_isenabledat(stralloc *tree, char const *sv) ;
+
+#endif
diff --git a/src/lib66/ss_service.c b/src/lib66/ss_service.c
new file mode 100644
index 00000000..cef23c9c
--- /dev/null
+++ b/src/lib66/ss_service.c
@@ -0,0 +1,184 @@
+/*
+ * ss_service.c
+ *
+ * Copyright (c) 2018-2021 Eric Vidal <eric@obarun.org>
+ *
+ * All rights reserved.
+ *
+ * This file is part of Obarun. It is subject to the license terms in
+ * the LICENSE file found in the top-level directory of this
+ * distribution.
+ * This file may not be copied, modified, propagated, or distributed
+ * except according to the terms contained in the LICENSE file./
+ */
+
+#include <unistd.h>
+#include <sys/stat.h>
+
+#include <oblibs/log.h>
+#include <oblibs/string.h>
+#include <oblibs/types.h>
+#include <oblibs/sastr.h>
+
+#include <skalibs/stralloc.h>
+
+#include <66/utils.h>
+#include <66/constants.h>
+#include <66/resolve.h>
+#include <66/ssexec.h>
+
+/** @Return 0 if not found
+ * @Return 1 if found
+ * @Return 2 if found but marked disabled
+ * @Return -1 system error */
+int service_isenabled(char const *sv)
+{
+
+ log_flow() ;
+
+ stralloc sa = STRALLOC_ZERO ;
+ ss_resolve_t res = RESOLVE_ZERO ;
+ size_t newlen = 0, pos = 0 ;
+ int e = -1 ;
+
+ if (!set_ownersysdir(&sa, getuid())) {
+
+ log_warnusys("set owner directory") ;
+ stralloc_free(&sa) ;
+ return 0 ;
+ }
+
+ char tmp[sa.len + SS_SYSTEM_LEN + 2] ;
+ auto_strings(tmp, sa.s, SS_SYSTEM) ;
+
+ // no tree exist yet
+ if (!scan_mode(tmp, S_IFDIR))
+ goto empty ;
+
+ auto_strings(tmp, sa.s, SS_SYSTEM, "/") ;
+
+ newlen = sa.len + SS_SYSTEM_LEN + 1 ;
+ sa.len = 0 ;
+
+ if (!sastr_dir_get(&sa, tmp, SS_BACKUP + 1, S_IFDIR)) {
+
+ log_warnu("get list of trees from: ", tmp) ;
+ goto freed ;
+ }
+
+ FOREACH_SASTR(&sa, pos) {
+
+ char *treename = sa.s + pos ;
+
+ char trees[newlen + strlen(treename) + SS_SVDIRS_LEN + 1] ;
+ auto_strings(trees, tmp, treename, SS_SVDIRS) ;
+
+ if (ss_resolve_check(trees, sv)) {
+
+ if (!ss_resolve_read(&res, trees, sv)) {
+
+ log_warnu("read resolve file: ", trees, "/", sv) ;
+ goto freed ;
+ }
+
+ if (res.disen) {
+
+ log_trace(sv, " enabled at tree: ", treename) ;
+
+ e = 1 ;
+ goto freed ;
+
+ } else {
+
+ e = 2 ;
+ goto freed ;
+ }
+ }
+ }
+ empty:
+ e = 0 ;
+ freed:
+ stralloc_free(&sa) ;
+ ss_resolve_free(&res) ;
+ return e ;
+}
+
+/** @Return 0 if not found
+ * @Return 1 if found
+ * @Return 2 if found but marked disabled
+ * @Return -1 system error */
+int service_isenabledat(stralloc *tree, char const *sv)
+{
+
+ log_flow() ;
+
+ stralloc sa = STRALLOC_ZERO ;
+ ss_resolve_t res = RESOLVE_ZERO ;
+ size_t newlen = 0, pos = 0 ;
+ int e = -1 ;
+
+ if (!set_ownersysdir(&sa, getuid())) {
+
+ log_warnusys("set owner directory") ;
+ stralloc_free(&sa) ;
+ return 0 ;
+ }
+
+ char tmp[sa.len + SS_SYSTEM_LEN + 2] ;
+ auto_strings(tmp, sa.s, SS_SYSTEM) ;
+
+ // no tree exist yet
+ if (!scan_mode(tmp, S_IFDIR))
+ goto empty ;
+
+ auto_strings(tmp, sa.s, SS_SYSTEM, "/") ;
+
+ newlen = sa.len + SS_SYSTEM_LEN + 1 ;
+ sa.len = 0 ;
+
+ if (!sastr_dir_get(&sa, tmp, SS_BACKUP + 1, S_IFDIR)) {
+
+ log_warnu("get list of trees from: ", tmp) ;
+ goto freed ;
+ }
+
+ FOREACH_SASTR(&sa, pos) {
+
+ char *treename = sa.s + pos ;
+
+ char trees[newlen + strlen(treename) + SS_SVDIRS_LEN + 1] ;
+ auto_strings(trees, tmp, treename, SS_SVDIRS) ;
+
+ if (ss_resolve_check(trees, sv)) {
+
+ if (!ss_resolve_read(&res, trees, sv)) {
+
+ log_warnu("read resolve file: ", trees, "/", sv) ;
+ goto freed ;
+ }
+
+ if (res.disen) {
+
+ log_trace(sv, " enabled at tree: ", treename) ;
+ e = 1 ;
+
+ } else {
+
+ log_trace(sv, " disabled at tree: ", treename) ;
+ e = 2 ;
+ }
+
+ if (!auto_stra(tree, treename)) {
+ e = -1 ;
+ goto freed ;
+ }
+ goto freed ;
+ }
+ }
+ empty:
+ e = 0 ;
+ freed:
+ stralloc_free(&sa) ;
+ ss_resolve_free(&res) ;
+ return e ;
+}
--
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