#include <errno.h>
#include <sys/inotify.h>
#include <sys/poll.h>
+#include <net/if.h>
#include "util.h"
#include "macro.h"
#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) {
+ _cleanup_free_ char *s = NULL, *p = NULL;
+ int r;
+
+ assert(index);
+ assert(flags);
+
+ if (asprintf(&p, "/run/systemd/netif/links/%u", index) < 0)
+ return -ENOMEM;
+
+ r = parse_env_file(p, NEWLINE, "FLAGS", &s, NULL);
+ if (r == -ENOENT)
+ return -ENODATA;
+ else if (r < 0)
+ return r;
+ else if (!s)
+ return -EIO;
+
+ return safe_atou(s, flags);
+}
+
+_public_ int sd_network_link_is_loopback(unsigned index) {
+ unsigned flags;
+ int r;
+
+ r = link_get_flags(index, &flags);
+ if (r < 0)
+ return 0;
+
+ return flags & IFF_LOOPBACK;
+}
+
_public_ int sd_network_get_link_state(unsigned index, char **state) {
_cleanup_free_ char *s = NULL, *p = NULL;
int r;
assert_return(index, -EINVAL);
assert_return(state, -EINVAL);
- if (asprintf(&p, "/run/systemd/network/links/%u", index) < 0)
+ if (asprintf(&p, "/run/systemd/netif/links/%u", index) < 0)
return -ENOMEM;
- r = parse_env_file(p, NEWLINE, "STATE", &s, NULL);
-
+ r = parse_env_file(p, NEWLINE, "ADMIN_STATE", &s, NULL);
if (r == -ENOENT)
return -ENODATA;
else if (r < 0)
if (streq(s, "unmanaged"))
return -EUNATCH;
+ else if (streq(s, "initializing"))
+ return -EBUSY;
+
+ *state = s;
+ s = NULL;
+
+ return 0;
+}
+
+_public_ int sd_network_get_operational_state(char **state) {
+ _cleanup_free_ char *s = NULL;
+ int r;
+
+ assert_return(state, -EINVAL);
+
+ r = parse_env_file("/run/systemd/netif/state", NEWLINE, "OPER_STATE",
+ &s, NULL);
+ if (r == -ENOENT)
+ return -ENODATA;
+ else if (r < 0)
+ return r;
+ else if (!s)
+ return -EIO;
+
+ *state = s;
+ s = NULL;
+
+ return 0;
+}
+
+_public_ int sd_network_get_link_operational_state(unsigned index, char **state) {
+ _cleanup_free_ char *s = NULL, *p = NULL;
+ int r;
+
+ assert_return(index, -EINVAL);
+ assert_return(state, -EINVAL);
+
+ if (asprintf(&p, "/run/systemd/netif/links/%u", index) < 0)
+ return -ENOMEM;
+
+ r = parse_env_file(p, NEWLINE, "OPER_STATE", &s, NULL);
+ if (r == -ENOENT)
+ return -ENODATA;
+ else if (r < 0)
+ return r;
+ else if (!s)
+ return -EIO;
*state = s;
s = NULL;
}
_public_ int sd_network_get_dhcp_lease(unsigned index, sd_dhcp_lease **ret) {
- sd_dhcp_lease *lease;
- char *p, *s = NULL;
+ _cleanup_free_ char *p = NULL, *s = NULL;
+ sd_dhcp_lease *lease = NULL;
int r;
assert_return(index, -EINVAL);
assert_return(ret, -EINVAL);
- if (asprintf(&p, "/run/systemd/network/links/%u", index) < 0)
+ if (asprintf(&p, "/run/systemd/netif/links/%u", index) < 0)
return -ENOMEM;
r = parse_env_file(p, NEWLINE, "DHCP_LEASE", &s, NULL);
- free(p);
- if (r < 0) {
- free(s);
+ if (r < 0)
return r;
- } else if (!s)
+ else if (!s)
return -EIO;
r = dhcp_lease_load(s, &lease);
return 0;
}
+static int network_get_in_addr(const char *key, 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/netif/links/%u", index) < 0)
+ return -ENOMEM;
+
+ r = parse_env_file(p, NEWLINE, key, &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_dns(unsigned index, struct in_addr **addr, size_t *addr_size) {
+ return network_get_in_addr("DNS", index, addr, addr_size);
+}
+
+_public_ int sd_network_get_ntp(unsigned index, struct in_addr **addr, size_t *addr_size) {
+ return network_get_in_addr("NTP", index, addr, addr_size);
+}
+
+static int network_get_in6_addr(const char *key, 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/netif/links/%u", index) < 0)
+ return -ENOMEM;
+
+ r = parse_env_file(p, NEWLINE, key, &s, NULL);
+ if (r < 0)
+ return r;
+ else if (!s)
+ return -EIO;
+
+ return deserialize_in6_addrs(addr, addr_size, s);
+}
+
+_public_ int sd_network_get_dns6(unsigned index, struct in6_addr **addr, size_t *addr_size) {
+ return network_get_in6_addr("DNS", index, addr, addr_size);
+}
+
+_public_ int sd_network_get_ntp6(unsigned index, struct in6_addr **addr, size_t *addr_size) {
+ return network_get_in6_addr("NTP", index, addr, addr_size);
+}
+
+static int network_get_boolean(const char *key, unsigned index) {
+ _cleanup_free_ char *p = NULL, *s = NULL;
+ int r;
+
+ assert_return(index, -EINVAL);
+
+ if (asprintf(&p, "/run/systemd/netif/links/%u", index) < 0)
+ return -ENOMEM;
+
+ r = parse_env_file(p, NEWLINE, key, &s, NULL);
+ if (r < 0)
+ return r;
+ else if (!s)
+ return -EIO;
+
+ return parse_boolean(s);
+}
+
+_public_ int sd_network_dhcp_use_dns(unsigned index) {
+ return network_get_boolean("DHCP_USE_DNS", index);
+}
+
+_public_ int sd_network_dhcp_use_ntp(unsigned index) {
+ return network_get_boolean("DHCP_USE_NTP", index);
+}
+
_public_ int sd_network_get_ifindices(unsigned **indices) {
_cleanup_closedir_ DIR *d;
int r = 0;
unsigned n = 0;
_cleanup_free_ uid_t *l = NULL;
- d = opendir("/run/systemd/network/links/");
+ d = opendir("/run/systemd/netif/links/");
if (!d)
return -errno;
if (fd < 0)
return -errno;
- if (!category || streq(category, "netif")) {
- k = inotify_add_watch(fd, "/run/systemd/network/links/", IN_MOVED_TO|IN_DELETE);
+ if (!category || streq(category, "links")) {
+ k = inotify_add_watch(fd, "/run/systemd/netif/links/", IN_MOVED_TO|IN_DELETE);
+ if (k < 0) {
+ safe_close(fd);
+ return -errno;
+ }
+
+ good = true;
+ }
+
+ if (!category || streq(category, "leases")) {
+ k = inotify_add_watch(fd, "/run/systemd/netif/leases/", IN_MOVED_TO|IN_DELETE);
if (k < 0) {
- close_nointr_nofail(fd);
+ safe_close(fd);
return -errno;
}
~ianmdlvl / elogind.git / blobdiff