From 32d07f5e59f2372939a7c99c4c4bcbb5f60b0e05 Mon Sep 17 00:00:00 2001 From: Stefano Brivio Date: Thu, 14 Oct 2021 01:21:29 +0200 Subject: passt, pasta: Completely avoid dynamic memory allocation Replace libc functions that might dynamically allocate memory with own implementations or wrappers. Drop brk(2) from list of allowed syscalls in seccomp profile. Signed-off-by: Stefano Brivio --- dhcpv6.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'dhcpv6.c') diff --git a/dhcpv6.c b/dhcpv6.c index 19c7a62..d514e8d 100644 --- a/dhcpv6.c +++ b/dhcpv6.c @@ -588,10 +588,10 @@ int dhcpv6(struct ctx *c, struct ethhdr *eh, size_t len) */ void dhcpv6_init(struct ctx *c) { - struct tm y2k = { 0, 0, 0, 1, 0, 100, 0, 0, 0, 0, NULL }; + time_t y2k = 946684800; /* Epoch to 2000-01-01T00:00:00Z, no mktime() */ uint32_t duid_time; - duid_time = htonl(difftime(time(NULL), mktime(&y2k))); + duid_time = htonl(difftime(time(NULL), y2k)); resp.server_id.duid_time = duid_time; resp_not_on_link.server_id.duid_time = duid_time; -- cgit v1.2.3