summaryrefslogtreecommitdiff
path: root/src/network
diff options
context:
space:
mode:
authorTom Gundersen <teg@jklm.no>2014-05-18 22:05:09 +0200
committerTom Gundersen <teg@jklm.no>2014-05-19 18:14:56 +0200
commit7dbf94a9c4dcdf9b56384e66eb2652fb61da5063 (patch)
tree9fbb52f5c4514d533872f752bec3dc7232b25e8f /src/network
parent7374f9d87c710bc1ae3bfdb78a191a31c72d29b9 (diff)
sd-network: expose DNS information
Diffstat (limited to 'src/network')
-rw-r--r--src/network/sd-network.c59
1 files changed, 59 insertions, 0 deletions
diff --git a/src/network/sd-network.c b/src/network/sd-network.c
index 492e97c73f..64e3aaae48 100644
--- a/src/network/sd-network.c
+++ b/src/network/sd-network.c
@@ -32,6 +32,7 @@
#include "strv.h"
#include "fileio.h"
#include "sd-network.h"
+#include "network-internal.h"
#include "dhcp-lease-internal.h"
static int link_get_flags(unsigned index, unsigned *flags) {
@@ -169,6 +170,64 @@ _public_ int sd_network_get_dhcp_lease(unsigned index, sd_dhcp_lease **ret) {
return 0;
}
+_public_ int sd_network_get_dns(unsigned index, struct in_addr **addr, size_t *addr_size) {
+ _cleanup_free_ char *p = NULL, *s = NULL;
+ int r;
+
+ assert_return(index, -EINVAL);
+ assert_return(addr, -EINVAL);
+ assert_return(addr_size, -EINVAL);
+
+ if (asprintf(&p, "/run/systemd/network/links/%u", index) < 0)
+ return -ENOMEM;
+
+ r = parse_env_file(p, NEWLINE, "DNS", &s, NULL);
+ if (r < 0)
+ return r;
+ else if (!s)
+ return -EIO;
+
+ return deserialize_in_addrs(addr, addr_size, s);
+}
+
+_public_ int sd_network_get_dns6(unsigned index, struct in6_addr **addr, size_t *addr_size) {
+ _cleanup_free_ char *p = NULL, *s = NULL;
+ int r;
+
+ assert_return(index, -EINVAL);
+ assert_return(addr, -EINVAL);
+ assert_return(addr_size, -EINVAL);
+
+ if (asprintf(&p, "/run/systemd/network/links/%u", index) < 0)
+ return -ENOMEM;
+
+ r = parse_env_file(p, NEWLINE, "DNS", &s, NULL);
+ if (r < 0)
+ return r;
+ else if (!s)
+ return -EIO;
+
+ return deserialize_in6_addrs(addr, addr_size, s);
+}
+
+_public_ int sd_network_dhcp_use_dns(unsigned index) {
+ _cleanup_free_ char *p = NULL, *s = NULL;
+ int r;
+
+ assert_return(index, -EINVAL);
+
+ if (asprintf(&p, "/run/systemd/network/links/%u", index) < 0)
+ return -ENOMEM;
+
+ r = parse_env_file(p, NEWLINE, "DHCP_USE_DNS", &s, NULL);
+ if (r < 0)
+ return r;
+ else if (!s)
+ return -EIO;
+
+ return parse_boolean(s);
+}
+
_public_ int sd_network_get_ifindices(unsigned **indices) {
_cleanup_closedir_ DIR *d;
int r = 0;