From 8eb9058dc1f99a5eb9b8726a978fcc0720837a10 Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Wed, 26 Aug 2015 19:19:32 +0200 Subject: dhcp,network: implement RFC 4833 (DHCP Timezone option) This one is simply to add: encode the tzdata timezone in the DHCP options and optionally make use of it. --- src/libsystemd/sd-network/sd-network.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) (limited to 'src/libsystemd/sd-network') diff --git a/src/libsystemd/sd-network/sd-network.c b/src/libsystemd/sd-network/sd-network.c index b63fdf8fcb..87d87359b8 100644 --- a/src/libsystemd/sd-network/sd-network.c +++ b/src/libsystemd/sd-network/sd-network.c @@ -214,6 +214,28 @@ _public_ int sd_network_link_get_lldp(int ifindex, char **lldp) { return 0; } +int sd_network_link_get_timezone(int ifindex, char **ret) { + _cleanup_free_ char *s = NULL, *p = NULL; + int r; + + assert_return(ifindex > 0, -EINVAL); + assert_return(ret, -EINVAL); + + if (asprintf(&p, "/run/systemd/netif/links/%d", ifindex) < 0) + return -ENOMEM; + + r = parse_env_file(p, NEWLINE, "TIMEZONE", &s, NULL); + if (r == -ENOENT) + return -ENODATA; + if (r < 0) + return r; + if (isempty(s)) + return -ENODATA; + + *ret = s; + s = NULL; + return 0; +} static int network_get_link_strv(const char *key, int ifindex, char ***ret) { _cleanup_free_ char *p = NULL, *s = NULL; -- cgit v1.2.1