diff options
| -rw-r--r-- | src/libsystemd/sd-network/sd-network.c | 24 | ||||
| -rw-r--r-- | src/network/networkd-link.c | 2 | ||||
| -rw-r--r-- | src/systemd/sd-network.h | 3 |
3 files changed, 29 insertions, 0 deletions
diff --git a/src/libsystemd/sd-network/sd-network.c b/src/libsystemd/sd-network/sd-network.c index 3a3f53576f..d63e6f9dfa 100644 --- a/src/libsystemd/sd-network/sd-network.c +++ b/src/libsystemd/sd-network/sd-network.c @@ -120,6 +120,30 @@ _public_ int sd_network_link_get_setup_state(int ifindex, char **state) { return 0; } +_public_ int sd_network_link_get_network_file(int ifindex, char **filename) { + _cleanup_free_ char *s = NULL, *p = NULL; + int r; + + assert_return(ifindex > 0, -EINVAL); + assert_return(filename, -EINVAL); + + if (asprintf(&p, "/run/systemd/netif/links/%d", ifindex) < 0) + return -ENOMEM; + + r = parse_env_file(p, NEWLINE, "NETWORK_FILE", &s, NULL); + if (r == -ENOENT) + return -ENODATA; + if (r < 0) + return r; + if (isempty(s)) + return -ENODATA; + + *filename = s; + s = NULL; + + return 0; +} + _public_ int sd_network_link_get_operational_state(int ifindex, char **state) { _cleanup_free_ char *s = NULL, *p = NULL; int r; diff --git a/src/network/networkd-link.c b/src/network/networkd-link.c index a88cf48d9d..11ac1307d8 100644 --- a/src/network/networkd-link.c +++ b/src/network/networkd-link.c @@ -1785,6 +1785,8 @@ int link_save(Link *link) { char **address, **domain; bool space; + fprintf(f, "NETWORK_FILE=%s\n", link->network->filename); + fputs("DNS=", f); space = false; STRV_FOREACH(address, link->network->dns) { diff --git a/src/systemd/sd-network.h b/src/systemd/sd-network.h index b2086c7836..203a2a6a47 100644 --- a/src/systemd/sd-network.h +++ b/src/systemd/sd-network.h @@ -93,6 +93,9 @@ int sd_network_link_get_setup_state(int ifindex, char **state); */ int sd_network_link_get_operational_state(int ifindex, char **state); +/* Get path to .network file applied to link */ +int sd_network_link_get_network_file(int ifindex, char **filename); + /* Get DNS entries for a given link. These are string representations of * IP addresses */ int sd_network_link_get_dns(int ifindex, char ***addr); |