File _service:obs_scm:backport-use-thread-safe-gmtim... of Package libnl3

File _service:obs_scm:backport-use-thread-safe-gmtime_r-instead-of-gmtime.patch of Package libnl3

From f520471cb6e2340309028e0400b8186db3635e0f Mon Sep 17 00:00:00 2001
From: Thomas Haller <thaller@redhat.com>
Date: Fri, 18 Aug 2023 14:04:21 +0200
Subject: [PATCH] lib/xfrm: use thread-safe gmtime_r() instead of gmtime()
 
Conflict:NA
Reference:https://github.com/thom311/libnl/commit/f520471cb6e2340309028e0400b8186db3635e0f

---
 lib/xfrm/ae.c | 5 +++--
 lib/xfrm/sa.c | 5 +++--
 lib/xfrm/sp.c | 5 +++--
 3 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/lib/xfrm/ae.c b/lib/xfrm/ae.c
index a56cd87..522cef0 100644
--- a/lib/xfrm/ae.c
+++ b/lib/xfrm/ae.c
@@ -299,6 +299,7 @@ static void xfrm_ae_dump_line(struct nl_object *a, struct nl_dump_params *p)
 	char                flags[128], buf[128];
 	time_t              add_time, use_time;
 	struct tm           *add_time_tm, *use_time_tm;
+	struct tm           tm_buf;
 
 	nl_dump_line(p, "src %s dst %s \n", nl_addr2str(ae->saddr, src, sizeof(src)),
 				nl_addr2str(ae->sa_id.daddr, dst, sizeof(dst)));
@@ -317,7 +318,7 @@ static void xfrm_ae_dump_line(struct nl_object *a, struct nl_dump_params *p)
 	if (ae->lifetime_cur.add_time != 0)
 	{
 		add_time = ae->lifetime_cur.add_time;
-		add_time_tm = gmtime (&add_time);
+		add_time_tm = gmtime_r (&add_time, &tm_buf);
 		strftime (flags, 128, "%Y-%m-%d %H-%M-%S", add_time_tm);
 	}
 	else
@@ -328,7 +329,7 @@ static void xfrm_ae_dump_line(struct nl_object *a, struct nl_dump_params *p)
 	if (ae->lifetime_cur.use_time != 0)
 	{
 		use_time = ae->lifetime_cur.use_time;
-		use_time_tm = gmtime (&use_time);
+		use_time_tm = gmtime_r (&use_time, &tm_buf);
 		strftime (buf, 128, "%Y-%m-%d %H-%M-%S", use_time_tm);
 	}
 	else
diff --git a/lib/xfrm/sa.c b/lib/xfrm/sa.c
index 6b3daf4..63a13ba 100644
--- a/lib/xfrm/sa.c
+++ b/lib/xfrm/sa.c
@@ -411,6 +411,7 @@ static void xfrm_sa_dump_line(struct nl_object *a, struct nl_dump_params *p)
 	char                flags[128], mode[128];
 	time_t              add_time, use_time;
 	struct tm           *add_time_tm, *use_time_tm;
+	struct tm           tm_buf;
 
 	nl_dump_line(p, "src %s dst %s family: %s\n", nl_addr2str(sa->saddr, src, sizeof(src)),
 	             nl_addr2str(sa->id.daddr, dst, sizeof(dst)),
@@ -454,7 +455,7 @@ static void xfrm_sa_dump_line(struct nl_object *a, struct nl_dump_params *p)
 	if (sa->curlft.add_time != 0)
 	{
 		add_time = sa->curlft.add_time;
-		add_time_tm = gmtime (&add_time);
+		add_time_tm = gmtime_r (&add_time, &tm_buf);
 		strftime (flags, 128, "%Y-%m-%d %H-%M-%S", add_time_tm);
 	}
 	else
@@ -465,7 +466,7 @@ static void xfrm_sa_dump_line(struct nl_object *a, struct nl_dump_params *p)
 	if (sa->curlft.use_time != 0)
 	{
 		use_time = sa->curlft.use_time;
-		use_time_tm = gmtime (&use_time);
+		use_time_tm = gmtime_r (&use_time, &tm_buf);
 		strftime (mode, 128, "%Y-%m-%d %H-%M-%S", use_time_tm);
 	}
 	else
diff --git a/lib/xfrm/sp.c b/lib/xfrm/sp.c
index 3943469..1984099 100644
--- a/lib/xfrm/sp.c
+++ b/lib/xfrm/sp.c
@@ -325,6 +325,7 @@ static void xfrm_sp_dump_line(struct nl_object *a, struct nl_dump_params *p)
 	char                dst[INET6_ADDRSTRLEN+5], src[INET6_ADDRSTRLEN+5];
 	time_t              add_time, use_time;
 	struct tm           *add_time_tm, *use_time_tm;
+	struct tm           tm_buf;
 
 	nl_addr2str(xfrmnl_sel_get_saddr (sp->sel), src, sizeof(src));
 	nl_addr2str (xfrmnl_sel_get_daddr (sp->sel), dst, sizeof (dst));
@@ -375,7 +376,7 @@ static void xfrm_sp_dump_line(struct nl_object *a, struct nl_dump_params *p)
 	if (sp->curlft.add_time != 0)
 	{
 		add_time = sp->curlft.add_time;
-		add_time_tm = gmtime (&add_time);
+		add_time_tm = gmtime_r (&add_time, &tm_buf);
 		strftime (dst, INET6_ADDRSTRLEN+5, "%Y-%m-%d %H-%M-%S", add_time_tm);
 	}
 	else
@@ -386,7 +387,7 @@ static void xfrm_sp_dump_line(struct nl_object *a, struct nl_dump_params *p)
 	if (sp->curlft.use_time != 0)
 	{
 		use_time = sp->curlft.use_time;
-		use_time_tm = gmtime (&use_time);
+		use_time_tm = gmtime_r (&use_time, &tm_buf);
 		strftime (src, INET6_ADDRSTRLEN+5, "%Y-%m-%d %H-%M-%S", use_time_tm);
 	}
 	else
-- 
2.33.0