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path: root/sysdeps/unix/sysv/linux/check_pf.c
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Diffstat (limited to 'sysdeps/unix/sysv/linux/check_pf.c')
-rw-r--r--sysdeps/unix/sysv/linux/check_pf.c124
1 files changed, 48 insertions, 76 deletions
diff --git a/sysdeps/unix/sysv/linux/check_pf.c b/sysdeps/unix/sysv/linux/check_pf.c
index 06fb1891f0..d66f029ed9 100644
--- a/sysdeps/unix/sysv/linux/check_pf.c
+++ b/sysdeps/unix/sysv/linux/check_pf.c
@@ -32,9 +32,6 @@
#include "netlinkaccess.h"
-#ifndef IFA_F_TEMPORARY
-# define IFA_F_TEMPORARY IFA_F_SECONDARY
-#endif
#ifndef IFA_F_HOMEADDRESS
# define IFA_F_HOMEADDRESS 0
#endif
@@ -142,92 +139,67 @@ make_request (int fd, pid_t pid, bool *seen_ipv4, bool *seen_ipv6,
struct rtattr *rta = IFA_RTA (ifam);
size_t len = nlmh->nlmsg_len - NLMSG_LENGTH (sizeof (*ifam));
- switch (ifam->ifa_family)
- {
- const void *local;
- const void *address;
+ if (ifam->ifa_family != AF_INET
+ && ifam->ifa_family != AF_INET6)
+ continue;
- case AF_INET:
- local = NULL;
- address = NULL;
- while (RTA_OK (rta, len))
+ const void *local = NULL;
+ const void *address = NULL;
+ while (RTA_OK (rta, len))
+ {
+ switch (rta->rta_type)
{
- switch (rta->rta_type)
- {
- case IFA_LOCAL:
- local = RTA_DATA (rta);
- break;
-
- case IFA_ADDRESS:
- address = RTA_DATA (rta);
- goto out_v4;
- }
-
- rta = RTA_NEXT (rta, len);
+ case IFA_LOCAL:
+ local = RTA_DATA (rta);
+ break;
+
+ case IFA_ADDRESS:
+ address = RTA_DATA (rta);
+ goto out;
}
- if (local != NULL)
+ rta = RTA_NEXT (rta, len);
+ }
+
+ if (local != NULL)
+ {
+ address = local;
+ out:
+ if (ifam->ifa_family != AF_INET)
{
- out_v4:
- if (*(const in_addr_t *) (address ?: local)
+ if (*(const in_addr_t *) address
!= htonl (INADDR_LOOPBACK))
*seen_ipv4 = true;
}
- break;
-
- case AF_INET6:
- local = NULL;
- address = NULL;
- while (RTA_OK (rta, len))
+ else
{
- switch (rta->rta_type)
- {
- case IFA_LOCAL:
- local = RTA_DATA (rta);
- break;
-
- case IFA_ADDRESS:
- address = RTA_DATA (rta);
- goto out_v6;
- }
-
- rta = RTA_NEXT (rta, len);
- }
-
- if (local != NULL)
- {
- out_v6:
- if (!IN6_IS_ADDR_LOOPBACK (address ?: local))
+ if (!IN6_IS_ADDR_LOOPBACK (address))
*seen_ipv6 = true;
}
+ }
- if (ifam->ifa_flags & (IFA_F_DEPRECATED
- | IFA_F_TEMPORARY
- | IFA_F_HOMEADDRESS
- | IFA_F_OPTIMISTIC))
- {
- struct in6ailist *newp = alloca (sizeof (*newp));
- newp->info.flags = (((ifam->ifa_flags
- & (IFA_F_DEPRECATED
- | IFA_F_OPTIMISTIC))
- ? in6ai_deprecated : 0)
- | ((ifam->ifa_flags
- & IFA_F_TEMPORARY)
- ? in6ai_temporary : 0)
- | ((ifam->ifa_flags
- & IFA_F_HOMEADDRESS)
- ? in6ai_homeaddress : 0));
- memcpy (newp->info.addr, address ?: local,
- sizeof (newp->info.addr));
- newp->next = in6ailist;
- in6ailist = newp;
- ++in6ailistlen;
- }
- break;
- default:
- /* Ignore. */
- break;
+ struct in6ailist *newp = alloca (sizeof (*newp));
+ newp->info.flags = (((ifam->ifa_flags
+ & (IFA_F_DEPRECATED
+ | IFA_F_OPTIMISTIC))
+ ? in6ai_deprecated : 0)
+ | ((ifam->ifa_flags
+ & IFA_F_HOMEADDRESS)
+ ? in6ai_homeaddress : 0));
+ newp->info.prefixlen = ifam->ifa_prefixlen;
+ newp->info.index = ifam->ifa_index;
+ if (ifam->ifa_family == AF_INET)
+ {
+ newp->info.addr[0] = 0;
+ newp->info.addr[1] = 0;
+ newp->info.addr[2] = htonl (0xffff);
+ newp->info.addr[3] = *(const in_addr_t *) address;
}
+ else
+ memcpy (newp->info.addr, address, sizeof (newp->info.addr));
+ newp->next = in6ailist;
+ in6ailist = newp;
+ ++in6ailistlen;
}
else if (nlmh->nlmsg_type == NLMSG_DONE)
/* We found the end, leave the loop. */