diff options
| author | oleg <oleg@FreeBSD.org> | 2006-07-06 11:59:27 +0000 |
|---|---|---|
| committer | oleg <oleg@FreeBSD.org> | 2006-07-06 11:59:27 +0000 |
| commit | 4b612ce603c5ce624b07d7f829359b168e8aeae7 (patch) | |
| tree | 4e5d1497fb0eefedba0011945d1773f940a6b695 /usr.bin/netstat | |
| parent | 2df60b4a2cfa7181f941ccd6ce715e53be78d24f (diff) | |
| download | FreeBSD-src-4b612ce603c5ce624b07d7f829359b168e8aeae7.zip FreeBSD-src-4b612ce603c5ce624b07d7f829359b168e8aeae7.tar.gz | |
Since kernel & userland use different timebase and netstat is reading kernel
memory directly, we should do timebase conversion for route lifetime.
Approved by: glebius (mentor)
Diffstat (limited to 'usr.bin/netstat')
| -rw-r--r-- | usr.bin/netstat/route.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/usr.bin/netstat/route.c b/usr.bin/netstat/route.c index 0eb1e92..3dc26d1 100644 --- a/usr.bin/netstat/route.c +++ b/usr.bin/netstat/route.c @@ -66,9 +66,9 @@ __FBSDID("$FreeBSD$"); #include <stdio.h> #include <stdlib.h> #include <string.h> +#include <sysexits.h> #include <unistd.h> #include <err.h> -#include <time.h> #include "netstat.h" #define kget(p, d) (kread((u_long)(p), (char *)&(d), sizeof (d))) @@ -117,6 +117,8 @@ struct radix_node_head *rt_tables[AF_MAX+1]; int NewTree = 0; +struct timespec uptime; + static struct sockaddr *kgetsa (struct sockaddr *); static void size_cols (int ef, struct radix_node *rn); static void size_cols_tree (struct radix_node *rn); @@ -143,6 +145,14 @@ routepr(u_long rtree) struct radix_node_head *rnh, head; int i; + /* + * Since kernel & userland use different timebase + * (time_uptime vs time_second) and we are reading kernel memory + * directly we should do rt_rmx.rmx_expire --> expire_time conversion. + */ + if (clock_gettime(CLOCK_UPTIME, &uptime) < 0) + err(EX_OSERR, "clock_gettime() failed"); + printf("Routing tables\n"); if (Aflag == 0 && NewTree) @@ -333,7 +343,7 @@ size_cols_rtentry(struct rtentry *rt) time_t expire_time; if ((expire_time = - rt->rt_rmx.rmx_expire - time(NULL)) > 0) { + rt->rt_rmx.rmx_expire - uptime.tv_sec) > 0) { len = snprintf(buffer, sizeof(buffer), "%d", (int)expire_time); wid_expire = MAX(len, wid_expire); @@ -751,7 +761,7 @@ p_rtentry(struct rtentry *rt) time_t expire_time; if ((expire_time = - rt->rt_rmx.rmx_expire - time((time_t *)0)) > 0) + rt->rt_rmx.rmx_expire - uptime.tv_sec) > 0) printf(" %*d", wid_expire, (int)expire_time); } if (rt->rt_nodes[0].rn_dupedkey) |
