#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"
-_public_ int sd_network_get_link_state(unsigned index, char **state) {
+_public_ int sd_network_get_link_state(int ifindex, char **state) {
_cleanup_free_ char *s = NULL, *p = NULL;
int r;
- assert_return(index, -EINVAL);
+ assert_return(ifindex > 0, -EINVAL);
assert_return(state, -EINVAL);
- if (asprintf(&p, "/run/systemd/network/links/%u", index) < 0)
+ if (asprintf(&p, "/run/systemd/netif/links/%d", ifindex) < 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)
+ return r;
+ else if (!s)
+ return -EIO;
+
+ 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)
else if (!s)
return -EIO;
- if (streq(s, "unmanaged"))
- return -EUNATCH;
+ *state = s;
+ s = NULL;
+
+ return 0;
+}
+
+_public_ int sd_network_get_link_operational_state(int ifindex, char **state) {
+ _cleanup_free_ char *s = NULL, *p = 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, "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_dhcp_lease(unsigned index, sd_dhcp_lease **ret) {
- sd_dhcp_lease *lease;
- char *p, *s = NULL;
+_public_ int sd_network_get_dhcp_lease(int ifindex, sd_dhcp_lease **ret) {
+ _cleanup_free_ char *p = NULL, *s = NULL;
+ sd_dhcp_lease *lease = NULL;
int r;
- assert_return(index, -EINVAL);
+ assert_return(ifindex > 0, -EINVAL);
assert_return(ret, -EINVAL);
- if (asprintf(&p, "/run/systemd/network/links/%u", index) < 0)
+ if (asprintf(&p, "/run/systemd/netif/links/%d", ifindex) < 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;
}
-_public_ int sd_network_get_ifindices(unsigned **indices) {
- _cleanup_closedir_ DIR *d;
- int r = 0;
- unsigned n = 0;
- _cleanup_free_ uid_t *l = NULL;
+static int network_get_in_addr(const char *key, int ifindex, struct in_addr **addr) {
+ _cleanup_free_ char *p = NULL, *s = NULL;
+ int r;
+
+ assert_return(ifindex > 0, -EINVAL);
+ assert_return(addr, -EINVAL);
+
+ if (asprintf(&p, "/run/systemd/netif/links/%d", ifindex) < 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, s);
+}
+
+_public_ int sd_network_get_dns(int ifindex, struct in_addr **addr) {
+ return network_get_in_addr("DNS", ifindex, addr);
+}
- d = opendir("/run/systemd/network/links/");
- if (!d)
- return -errno;
+static int network_get_in6_addr(const char *key, int ifindex, struct in6_addr **addr) {
+ _cleanup_free_ char *p = NULL, *s = NULL;
+ int r;
- for (;;) {
- struct dirent *de;
- int k;
- unsigned index;
+ assert_return(ifindex > 0, -EINVAL);
+ assert_return(addr, -EINVAL);
- errno = 0;
- de = readdir(d);
- if (!de && errno != 0)
- return -errno;
+ if (asprintf(&p, "/run/systemd/netif/links/%d", ifindex) < 0)
+ return -ENOMEM;
- if (!de)
- break;
+ r = parse_env_file(p, NEWLINE, key, &s, NULL);
+ if (r < 0)
+ return r;
+ else if (!s)
+ return -EIO;
- dirent_ensure_type(d, de);
+ return deserialize_in6_addrs(addr, s);
+}
- if (!dirent_is_file(de))
- continue;
+_public_ int sd_network_get_dns6(int ifindex, struct in6_addr **addr) {
+ return network_get_in6_addr("DNS", ifindex, addr);
+}
- k = safe_atou(de->d_name, &index);
- if (k < 0)
- continue;
+static int network_get_boolean(const char *key, int ifindex) {
+ _cleanup_free_ char *p = NULL, *s = NULL;
+ int r;
- if (indices) {
- if ((unsigned) r >= n) {
- unsigned *t;
+ assert_return(ifindex > 0, -EINVAL);
- n = MAX(16, 2*r);
- t = realloc(l, sizeof(unsigned) * n);
- if (!t)
- return -ENOMEM;
+ if (asprintf(&p, "/run/systemd/netif/links/%d", ifindex) < 0)
+ return -ENOMEM;
- l = t;
- }
+ r = parse_env_file(p, NEWLINE, key, &s, NULL);
+ if (r < 0)
+ return r;
+ else if (!s)
+ return false;
- assert((unsigned) r < n);
- l[r++] = index;
- } else
- r++;
- }
+ return parse_boolean(s);
+}
- if (indices) {
- *indices = l;
- l = NULL;
- }
+_public_ int sd_network_dhcp_use_dns(int ifindex) {
+ return network_get_boolean("DHCP_USE_DNS", ifindex);
+}
- return r;
+_public_ int sd_network_dhcp_use_ntp(int ifindex) {
+ return network_get_boolean("DHCP_USE_NTP", ifindex);
}
static inline int MONITOR_TO_FD(sd_network_monitor *m) {
return (sd_network_monitor*) (unsigned long) (fd + 1);
}
-_public_ int sd_network_monitor_new(const char *category, sd_network_monitor **m) {
+_public_ int sd_network_monitor_new(sd_network_monitor **m, const char *category) {
int fd, k;
bool good = false;
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) {
safe_close(fd);
return -errno;
~ianmdlvl / elogind.git / blobdiff