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-rw-r--r--src/libsystemd-network/network-internal.c26
-rw-r--r--src/libsystemd-network/network-internal.h1
2 files changed, 20 insertions, 7 deletions
diff --git a/src/libsystemd-network/network-internal.c b/src/libsystemd-network/network-internal.c
index 2e9667c167..97217c12e5 100644
--- a/src/libsystemd-network/network-internal.c
+++ b/src/libsystemd-network/network-internal.c
@@ -34,21 +34,33 @@
#include "conf-parser.h"
#include "condition.h"
-#define HASH_KEY SD_ID128_MAKE(d3,1e,48,fa,90,fe,4b,4c,9d,af,d5,d7,a1,b1,2e,8a)
-
-int net_get_unique_predictable_data(struct udev_device *device, uint8_t result[8]) {
- size_t l, sz = 0;
+const char *net_get_name(struct udev_device *device) {
const char *name = NULL, *field = NULL;
- int r;
- uint8_t *v;
+
+ assert(device);
/* fetch some persistent data unique (on this machine) to this device */
- FOREACH_STRING(field, "ID_NET_NAME_ONBOARD", "ID_NET_NAME_SLOT", "ID_NET_NAME_PATH", "ID_NET_NAME_MAC") {
+ FOREACH_STRING(field, "ID_NET_NAME_ONBOARD", "ID_NET_NAME_SLOT",
+ "ID_NET_NAME_PATH", "ID_NET_NAME_MAC") {
name = udev_device_get_property_value(device, field);
if (name)
break;
}
+ return name;
+}
+
+#define HASH_KEY SD_ID128_MAKE(d3,1e,48,fa,90,fe,4b,4c,9d,af,d5,d7,a1,b1,2e,8a)
+
+int net_get_unique_predictable_data(struct udev_device *device, uint8_t result[8]) {
+ size_t l, sz = 0;
+ const char *name = NULL;
+ int r;
+ uint8_t *v;
+
+ assert(device);
+
+ name = net_get_name(device);
if (!name)
return -ENOENT;
diff --git a/src/libsystemd-network/network-internal.h b/src/libsystemd-network/network-internal.h
index 2aeecf0ce2..db48c2c06c 100644
--- a/src/libsystemd-network/network-internal.h
+++ b/src/libsystemd-network/network-internal.h
@@ -65,6 +65,7 @@ int config_parse_ifalias(const char *unit, const char *filename, unsigned line,
int net_parse_inaddr(const char *address, unsigned char *family, void *dst);
int net_get_unique_predictable_data(struct udev_device *device, uint8_t result[8]);
+const char *net_get_name(struct udev_device *device);
void serialize_in_addrs(FILE *f, const char *key, struct in_addr *addresses, size_t size);
int deserialize_in_addrs(struct in_addr **addresses, size_t *size, const char *string);