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-rw-r--r--src/iface.c38
1 files changed, 6 insertions, 32 deletions
diff --git a/src/iface.c b/src/iface.c
index 4010c16..74dda30 100644
--- a/src/iface.c
+++ b/src/iface.c
@@ -33,6 +33,7 @@
Management of the TUN/TAP interface
*/
+#include "fastd.h"
#include "config.h"
#include "peer.h"
#include "poll.h"
@@ -94,7 +95,6 @@ static void open_iface(fastd_iface_t *iface, const char *ifname, uint16_t mtu);
/** Opens the TUN/TAP device helper shared by Android and Linux targets */
static void open_iface_linux(fastd_iface_t *iface, const char *ifname, uint16_t mtu, const char *dev_name) {
- int ctl_sock = -1;
struct ifreq ifr = {};
iface->fd = FASTD_POLL_FD(POLL_TYPE_IFACE, open(dev_name, O_RDWR|O_NONBLOCK));
@@ -125,32 +125,20 @@ static void open_iface_linux(fastd_iface_t *iface, const char *ifname, uint16_t
iface->name = fastd_strndup(ifr.ifr_name, IFNAMSIZ-1);
- ctl_sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP);
- if (ctl_sock < 0)
- exit_errno("socket");
-
- if (ioctl(ctl_sock, SIOCGIFMTU, &ifr) < 0)
+ if (ioctl(ctx.ioctl_sock, SIOCGIFMTU, &ifr) < 0)
exit_errno("SIOCGIFMTU ioctl failed");
if (ifr.ifr_mtu != mtu) {
ifr.ifr_mtu = mtu;
- if (ioctl(ctl_sock, SIOCSIFMTU, &ifr) < 0) {
+ if (ioctl(ctx.ioctl_sock, SIOCSIFMTU, &ifr) < 0) {
pr_error_errno("unable to set TUN/TAP interface MTU: SIOCSIFMTU ioctl failed");
goto error;
}
}
- if (close(ctl_sock))
- pr_error_errno("close");
-
return;
error:
- if (ctl_sock >= 0) {
- if (close(ctl_sock))
- pr_error_errno("close");
- }
-
close(iface->fd.fd);
iface->fd.fd = -1;
}
@@ -290,12 +278,8 @@ static void open_iface(fastd_iface_t *iface, const char *ifname, uint16_t mtu) {
static void set_link0(fastd_iface_t *iface, bool set) {
struct ifreq ifr = {};
- int ctl_sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP);
- if (ctl_sock < 0)
- exit_errno("socket");
-
strncpy(ifr.ifr_name, iface->name, IFNAMSIZ-1);
- if (ioctl(ctl_sock, SIOCGIFFLAGS, &ifr) < 0)
+ if (ioctl(ctx.ioctl_sock, SIOCGIFFLAGS, &ifr) < 0)
exit_errno("SIOCGIFFLAGS ioctl failed");
if (set)
@@ -303,11 +287,8 @@ static void set_link0(fastd_iface_t *iface, bool set) {
else
ifr.ifr_flags &= ~IFF_LINK0;
- if (ioctl(ctl_sock, SIOCSIFFLAGS, &ifr) < 0)
+ if (ioctl(ctx.ioctl_sock, SIOCSIFFLAGS, &ifr) < 0)
exit_errno("SIOCSIFFLAGS ioctl failed");
-
- if (close(ctl_sock))
- pr_error_errno("close");
}
/** Sets up the TUN device */
@@ -386,18 +367,11 @@ static void open_iface(fastd_iface_t *iface, const char *ifname, uint16_t mtu) {
iface->name = fastd_strndup(ifname, IFNAMSIZ-1);
- int ctl_sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP);
- if (ctl_sock < 0)
- exit_errno("socket");
-
struct ifreq ifr = {};
strncpy(ifr.ifr_name, ifname, IFNAMSIZ-1);
ifr.ifr_mtu = mtu;
- if (ioctl(ctl_sock, SIOCSIFMTU, &ifr) < 0)
+ if (ioctl(ctx.ioctl_sock, SIOCSIFMTU, &ifr) < 0)
exit_errno("SIOCSIFMTU ioctl failed");
-
- if (close(ctl_sock))
- pr_error_errno("close");
}
#else