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-rw-r--r--src/libsystemd/sd-network/sd-network.c89
-rw-r--r--src/network/networkctl.c20
-rw-r--r--src/systemd/sd-network.h20
3 files changed, 90 insertions, 39 deletions
diff --git a/src/libsystemd/sd-network/sd-network.c b/src/libsystemd/sd-network/sd-network.c
index 6375788c95..d2e608c79d 100644
--- a/src/libsystemd/sd-network/sd-network.c
+++ b/src/libsystemd/sd-network/sd-network.c
@@ -34,26 +34,19 @@
#include "sd-network.h"
#include "network-internal.h"
-_public_ int sd_network_get_link_state(int ifindex, char **state) {
- _cleanup_free_ char *s = NULL, *p = NULL;
+_public_ int sd_network_get_operational_state(char **state) {
+ _cleanup_free_ char *s = NULL;
int r;
- assert_return(ifindex > 0, -EINVAL);
assert_return(state, -EINVAL);
- if (asprintf(&p, "/run/systemd/netif/links/%d", ifindex) < 0)
- return -ENOMEM;
-
- r = parse_env_file(p, NEWLINE, "ADMIN_STATE", &s, NULL);
+ r = parse_env_file("/run/systemd/netif/state", NEWLINE, "OPER_STATE", &s, NULL);
if (r == -ENOENT)
return -ENODATA;
- else if (r < 0)
+ if (r < 0)
return r;
- else if (!s)
- return -EIO;
-
- if (streq(s, "initializing"))
- return -EBUSY;
+ if (isempty(s))
+ return -ENODATA;
*state = s;
s = NULL;
@@ -61,20 +54,63 @@ _public_ int sd_network_get_link_state(int ifindex, char **state) {
return 0;
}
-_public_ int sd_network_get_operational_state(char **state) {
+static int network_get_strv(const char *key, char ***ret) {
+ _cleanup_strv_free_ char **a = NULL;
_cleanup_free_ char *s = NULL;
int r;
+ assert_return(ret, -EINVAL);
+
+ r = parse_env_file("/run/systemd/netif/state", NEWLINE, key, &s, NULL);
+ if (r == -ENOENT)
+ return -ENODATA;
+ if (r < 0)
+ return r;
+ if (isempty(s)) {
+ *ret = NULL;
+ return 0;
+ }
+
+ a = strv_split(s, " ");
+ if (!a)
+ return -ENOMEM;
+
+ strv_uniq(a);
+ r = strv_length(a);
+
+ *ret = a;
+ a = NULL;
+
+ return r;
+}
+
+_public_ int sd_network_get_dns(char ***ret) {
+ return network_get_strv("DNS", ret);
+}
+
+_public_ int sd_network_get_ntp(char ***ret) {
+ return network_get_strv("NTP", ret);
+}
+
+_public_ int sd_network_get_link_state(int ifindex, char **state) {
+ _cleanup_free_ char *s = NULL, *p = NULL;
+ int r;
+
+ assert_return(ifindex > 0, -EINVAL);
assert_return(state, -EINVAL);
- r = parse_env_file("/run/systemd/netif/state", NEWLINE, "OPER_STATE",
- &s, NULL);
+ if (asprintf(&p, "/run/systemd/netif/links/%d", ifindex) < 0)
+ return -ENOMEM;
+
+ r = parse_env_file(p, NEWLINE, "ADMIN_STATE", &s, NULL);
if (r == -ENOENT)
return -ENODATA;
- else if (r < 0)
+ if (r < 0)
return r;
- else if (!s)
- return -EIO;
+ if (isempty(s))
+ return -ENODATA;
+ if (streq(s, "initializing"))
+ return -EBUSY;
*state = s;
s = NULL;
@@ -95,10 +131,10 @@ _public_ int sd_network_get_link_operational_state(int ifindex, char **state) {
r = parse_env_file(p, NEWLINE, "OPER_STATE", &s, NULL);
if (r == -ENOENT)
return -ENODATA;
- else if (r < 0)
+ if (r < 0)
return r;
- else if (!s)
- return -EIO;
+ if (isempty(s))
+ return -ENODATA;
*state = s;
s = NULL;
@@ -119,9 +155,9 @@ _public_ int sd_network_get_link_llmnr(int ifindex, char **llmnr) {
r = parse_env_file(p, NEWLINE, "LLMNR", &s, NULL);
if (r == -ENOENT)
return -ENODATA;
- else if (r < 0)
+ if (r < 0)
return r;
- else if (!s)
+ if (isempty(s))
return -ENODATA;
*llmnr = s;
@@ -142,11 +178,12 @@ static int network_get_link_strv(const char *key, int ifindex, char ***ret) {
return -ENOMEM;
r = parse_env_file(p, NEWLINE, key, &s, NULL);
+ if (r == -ENOENT)
+ return -ENODATA;
if (r < 0)
return r;
- else if (!s) {
+ if (isempty(s)) {
*ret = NULL;
-
return 0;
}
diff --git a/src/network/networkctl.c b/src/network/networkctl.c
index 93b1293457..d5d3c80a3c 100644
--- a/src/network/networkctl.c
+++ b/src/network/networkctl.c
@@ -216,14 +216,20 @@ static int link_status(char **args, unsigned n) {
if (n <= 1) {
_cleanup_free_ char *operational_state = NULL;
+ _cleanup_strv_free_ char **dns = NULL, **ntp = NULL;
- r = sd_network_get_operational_state(&operational_state);
- if (r < 0) {
- log_error("Failed to get operational state: %s", strerror(-r));
- return r;
- }
+ sd_network_get_operational_state(&operational_state);
+ if (operational_state)
+ printf(" State: %s\n", operational_state);
+
+ sd_network_get_dns(&dns);
+ if (!strv_isempty(dns))
+ dump_list(" DNS: ", dns);
+
+ sd_network_get_dns(&ntp);
+ if (!strv_isempty(ntp))
+ dump_list(" NTP: ", ntp);
- printf("State: %s\n", operational_state);
return 0;
}
@@ -312,7 +318,7 @@ static int link_status(char **args, unsigned n) {
sd_network_get_link_operational_state(canonical_ifindex, &operational_state);
sd_network_get_link_dns(canonical_ifindex, &dns);
- sd_network_get_link_dns(canonical_ifindex, &ntp);
+ sd_network_get_link_ntp(canonical_ifindex, &ntp);
sprintf(devid, "n%i", canonical_ifindex);
d = udev_device_new_from_device_id(udev, devid);
diff --git a/src/systemd/sd-network.h b/src/systemd/sd-network.h
index 3e950728c5..44c4e97447 100644
--- a/src/systemd/sd-network.h
+++ b/src/systemd/sd-network.h
@@ -56,6 +56,14 @@ _SD_BEGIN_DECLARATIONS;
*/
int sd_network_get_operational_state(char **state);
+/* Get DNS entries for all links. These are string representations of
+ * IP addresses */
+int sd_network_get_dns(char ***addr);
+
+/* Get NTP entries for all links. These are domain names or string
+ * reperesentations of IP addresses */
+int sd_network_get_ntp(char ***addr);
+
/* Get state from ifindex.
* Possible states: failed, configuring, configured, unmanaged
* Possible return codes:
@@ -71,12 +79,6 @@ int sd_network_get_link_state(int ifindex, char **state);
*/
int sd_network_get_link_operational_state(int ifindex, char **state);
-/* Indicates whether or not LLMNR should be enabled for the link
- * Possible levels of support: yes, no, resolve
- * Possible return codes:
- * -ENODATA: networkd is not aware of the link*/
-int sd_network_get_link_llmnr(int ifindex, char **llmnr);
-
/* Get DNS entries for a given link. These are string representations of
* IP addresses */
int sd_network_get_link_dns(int ifindex, char ***addr);
@@ -85,6 +87,12 @@ int sd_network_get_link_dns(int ifindex, char ***addr);
* reperesentations of IP addresses */
int sd_network_get_link_ntp(int ifindex, char ***addr);
+/* Indicates whether or not LLMNR should be enabled for the link
+ * Possible levels of support: yes, no, resolve
+ * Possible return codes:
+ * -ENODATA: networkd is not aware of the link*/
+int sd_network_get_link_llmnr(int ifindex, char **llmnr);
+
/* Monitor object */
typedef struct sd_network_monitor sd_network_monitor;
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-07-22 18:30:31 +0000