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Diffstat (limited to 'src/network/sd-network.c')
-rw-r--r--src/network/sd-network.c112
1 files changed, 36 insertions, 76 deletions
diff --git a/src/network/sd-network.c b/src/network/sd-network.c
index 50e5d9be1..0844e5868 100644
--- a/src/network/sd-network.c
+++ b/src/network/sd-network.c
@@ -35,46 +35,14 @@
#include "network-internal.h"
#include "dhcp-lease-internal.h"
-static int link_get_flags(unsigned index, unsigned *flags) {
+_public_ int sd_network_get_link_state(int ifindex, char **state) {
_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(ifindex > 0, -EINVAL);
assert_return(state, -EINVAL);
- if (asprintf(&p, "/run/systemd/netif/links/%u", index) < 0)
+ if (asprintf(&p, "/run/systemd/netif/links/%d", ifindex) < 0)
return -ENOMEM;
r = parse_env_file(p, NEWLINE, "ADMIN_STATE", &s, NULL);
@@ -115,14 +83,14 @@ _public_ int sd_network_get_operational_state(char **state) {
return 0;
}
-_public_ int sd_network_get_link_operational_state(unsigned index, char **state) {
+_public_ int sd_network_get_link_operational_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/netif/links/%u", index) < 0)
+ if (asprintf(&p, "/run/systemd/netif/links/%d", ifindex) < 0)
return -ENOMEM;
r = parse_env_file(p, NEWLINE, "OPER_STATE", &s, NULL);
@@ -139,15 +107,15 @@ _public_ int sd_network_get_link_operational_state(unsigned index, char **state)
return 0;
}
-_public_ int sd_network_get_dhcp_lease(unsigned index, sd_dhcp_lease **ret) {
+_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/netif/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);
@@ -166,14 +134,14 @@ _public_ int sd_network_get_dhcp_lease(unsigned index, sd_dhcp_lease **ret) {
return 0;
}
-static int network_get_in_addr(const char *key, unsigned index, struct in_addr **addr) {
+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(index, -EINVAL);
+ assert_return(ifindex > 0, -EINVAL);
assert_return(addr, -EINVAL);
- if (asprintf(&p, "/run/systemd/netif/links/%u", index) < 0)
+ if (asprintf(&p, "/run/systemd/netif/links/%d", ifindex) < 0)
return -ENOMEM;
r = parse_env_file(p, NEWLINE, key, &s, NULL);
@@ -185,22 +153,18 @@ static int network_get_in_addr(const char *key, unsigned index, struct in_addr *
return deserialize_in_addrs(addr, s);
}
-_public_ int sd_network_get_dns(unsigned index, struct in_addr **addr) {
- return network_get_in_addr("DNS", index, addr);
-}
-
-_public_ int sd_network_get_ntp(unsigned index, struct in_addr **addr) {
- return network_get_in_addr("NTP", index, addr);
+_public_ int sd_network_get_dns(int ifindex, struct in_addr **addr) {
+ return network_get_in_addr("DNS", ifindex, addr);
}
-static int network_get_in6_addr(const char *key, unsigned index, struct in6_addr **addr) {
+static int network_get_in6_addr(const char *key, int ifindex, struct in6_addr **addr) {
_cleanup_free_ char *p = NULL, *s = NULL;
int r;
- assert_return(index, -EINVAL);
+ assert_return(ifindex > 0, -EINVAL);
assert_return(addr, -EINVAL);
- if (asprintf(&p, "/run/systemd/netif/links/%u", index) < 0)
+ if (asprintf(&p, "/run/systemd/netif/links/%d", ifindex) < 0)
return -ENOMEM;
r = parse_env_file(p, NEWLINE, key, &s, NULL);
@@ -212,21 +176,17 @@ static int network_get_in6_addr(const char *key, unsigned index, struct in6_addr
return deserialize_in6_addrs(addr, s);
}
-_public_ int sd_network_get_dns6(unsigned index, struct in6_addr **addr) {
- return network_get_in6_addr("DNS", index, addr);
-}
-
-_public_ int sd_network_get_ntp6(unsigned index, struct in6_addr **addr) {
- return network_get_in6_addr("NTP", index, addr);
+_public_ int sd_network_get_dns6(int ifindex, struct in6_addr **addr) {
+ return network_get_in6_addr("DNS", ifindex, addr);
}
-static int network_get_boolean(const char *key, unsigned index) {
+static int network_get_boolean(const char *key, int ifindex) {
_cleanup_free_ char *p = NULL, *s = NULL;
int r;
- assert_return(index, -EINVAL);
+ assert_return(ifindex > 0, -EINVAL);
- if (asprintf(&p, "/run/systemd/netif/links/%u", index) < 0)
+ if (asprintf(&p, "/run/systemd/netif/links/%d", ifindex) < 0)
return -ENOMEM;
r = parse_env_file(p, NEWLINE, key, &s, NULL);
@@ -238,19 +198,19 @@ static int network_get_boolean(const char *key, unsigned index) {
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_dns(int ifindex) {
+ return network_get_boolean("DHCP_USE_DNS", ifindex);
}
-_public_ int sd_network_dhcp_use_ntp(unsigned index) {
- return network_get_boolean("DHCP_USE_NTP", index);
+_public_ int sd_network_dhcp_use_ntp(int ifindex) {
+ return network_get_boolean("DHCP_USE_NTP", ifindex);
}
-_public_ int sd_network_get_ifindices(unsigned **indices) {
+_public_ int sd_network_get_ifindices(int **ifindices) {
_cleanup_closedir_ DIR *d;
int r = 0;
unsigned n = 0;
- _cleanup_free_ uid_t *l = NULL;
+ _cleanup_free_ int *l = NULL;
d = opendir("/run/systemd/netif/links/");
if (!d)
@@ -259,7 +219,7 @@ _public_ int sd_network_get_ifindices(unsigned **indices) {
for (;;) {
struct dirent *de;
int k;
- unsigned index;
+ int ifindex;
errno = 0;
de = readdir(d);
@@ -274,16 +234,16 @@ _public_ int sd_network_get_ifindices(unsigned **indices) {
if (!dirent_is_file(de))
continue;
- k = safe_atou(de->d_name, &index);
+ k = safe_atoi(de->d_name, &ifindex);
if (k < 0)
continue;
- if (indices) {
+ if (ifindices) {
if ((unsigned) r >= n) {
- unsigned *t;
+ int *t;
n = MAX(16, 2*r);
- t = realloc(l, sizeof(unsigned) * n);
+ t = realloc(l, sizeof(int) * n);
if (!t)
return -ENOMEM;
@@ -291,13 +251,13 @@ _public_ int sd_network_get_ifindices(unsigned **indices) {
}
assert((unsigned) r < n);
- l[r++] = index;
+ l[r++] = ifindex;
} else
r++;
}
- if (indices) {
- *indices = l;
+ if (ifindices) {
+ *ifindices = l;
l = NULL;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-01 06:56:26 +0000