diff options
Diffstat (limited to 'sysdeps')
| -rw-r--r-- | sysdeps/unix/sysv/linux/check_native.c | 74 |
1 files changed, 18 insertions, 56 deletions
diff --git a/sysdeps/unix/sysv/linux/check_native.c b/sysdeps/unix/sysv/linux/check_native.c index 9b1bb61941..1ae8dbb0b4 100644 --- a/sysdeps/unix/sysv/linux/check_native.c +++ b/sysdeps/unix/sysv/linux/check_native.c @@ -105,7 +105,6 @@ __check_native (uint32_t a1_index, int *a1_native, goto out_fail; bool done = false; - int v4fd = -1; do { struct msghdr msg = @@ -134,60 +133,25 @@ __check_native (uint32_t a1_index, int *a1_native, if (nlmh->nlmsg_type == RTM_NEWLINK) { - /* A RTM_NEWLINK message can have IFLA_STATS data. We need to - know the size before creating the list to allocate enough - memory. */ struct ifinfomsg *ifim = (struct ifinfomsg *) NLMSG_DATA (nlmh); - struct rtattr *rta = IFLA_RTA (ifim); - size_t rtasize = IFLA_PAYLOAD (nlmh); - int index = ifim->ifi_index; - - if (a1_index == index || a2_index == index) - while (RTA_OK (rta, rtasize)) - { - char *rta_data = RTA_DATA (rta); - size_t rta_payload = RTA_PAYLOAD (rta); - - if (rta->rta_type == IFLA_IFNAME) - { - struct ifreq ifr; - *((char *) mempcpy (ifr.ifr_name, rta_data, - rta_payload))= '\0'; - - if (v4fd == -1) - { - v4fd = __socket (AF_INET, SOCK_DGRAM, 0); - if (v4fd == -1) - return; - } - - if (__ioctl (v4fd, SIOCGIFHWADDR, &ifr) >= 0) - { - int native - = (ifr.ifr_hwaddr.sa_family != ARPHRD_TUNNEL6 - && ifr.ifr_hwaddr.sa_family != ARPHRD_TUNNEL - && ifr.ifr_hwaddr.sa_family != ARPHRD_SIT); - - if (a1_index == index) - { - *a1_native = native; - a1_index = 0xffffffffu; - } - if (a2_index == index) - { - *a2_native = native; - a2_index = 0xffffffffu; - } - - if (a1_index == 0xffffffffu - && a2_index == 0xffffffffu) - goto out; - } - break; - } - - rta = RTA_NEXT (rta, rtasize); - } + int native = (ifim->ifi_type != ARPHRD_TUNNEL6 + && ifim->ifi_type != ARPHRD_TUNNEL + && ifim->ifi_type != ARPHRD_SIT); + + if (a1_index == ifim->ifi_index) + { + *a1_native = native; + a1_index = 0xffffffffu; + } + if (a2_index == ifim->ifi_index) + { + *a2_native = native; + a2_index = 0xffffffffu; + } + + if (a1_index == 0xffffffffu + && a2_index == 0xffffffffu) + goto out; } else if (nlmh->nlmsg_type == NLMSG_DONE) /* We found the end, leave the loop. */ @@ -198,8 +162,6 @@ __check_native (uint32_t a1_index, int *a1_native, out: close_not_cancel_no_status (fd); - if (v4fd != -1) - close_not_cancel_no_status (v4fd); return; |