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Improve error reporting in rtsock.c

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MFC after:	3 days
This commit is contained in:
Alexander V. Chernikov 2021-04-19 20:36:41 +00:00
parent 37c0f4a207
commit 758c9d54d4
1 changed files with 12 additions and 9 deletions
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21
sys/net/rtsock.c
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@ -126,6 +126,9 @@ struct ifa_msghdrl32 {
#endif /* COMPAT_FREEBSD32 */
#define RTS_PID_PRINTF(_fmt, ...) \
printf("rtsock:%s(): PID %d: " _fmt "\n", __func__, curproc->p_pid, ## __VA_ARGS__)
MALLOC_DEFINE(M_RTABLE, "routetbl", "routing tables");
/* NB: these are not modified */
@ -571,7 +574,7 @@ fill_blackholeinfo(struct rt_addrinfo *info, union sockaddr_union *saun)
sa_family_t saf;
if (V_loif == NULL) {
printf("Unable to add blackhole/reject nhop without loopback");
RTS_PID_PRINTF("Unable to add blackhole/reject nhop without loopback");
return (ENOTSUP);
}
info->rti_ifp = V_loif;
@ -1360,7 +1363,7 @@ cleanup_xaddrs_gateway(struct rt_addrinfo *info)
{
struct sockaddr_in *gw_sin = (struct sockaddr_in *)gw;
if (gw_sin->sin_len < sizeof(struct sockaddr_in)) {
printf("gw sin_len too small\n");
RTS_PID_PRINTF("gateway sin_len too small: %d", gw->sa_len);
return (EINVAL);
}
fill_sockaddr_inet(gw_sin, gw_sin->sin_addr);
@ -1372,7 +1375,7 @@ cleanup_xaddrs_gateway(struct rt_addrinfo *info)
{
struct sockaddr_in6 *gw_sin6 = (struct sockaddr_in6 *)gw;
if (gw_sin6->sin6_len < sizeof(struct sockaddr_in6)) {
printf("gw sin6_len too small\n");
RTS_PID_PRINTF("gateway sin6_len too small: %d", gw->sa_len);
return (EINVAL);
}
fill_sockaddr_inet6(gw_sin6, &gw_sin6->sin6_addr, 0);
@ -1386,7 +1389,7 @@ cleanup_xaddrs_gateway(struct rt_addrinfo *info)
size_t sdl_min_len = offsetof(struct sockaddr_dl, sdl_data);
gw_sdl = (struct sockaddr_dl *)gw;
if (gw_sdl->sdl_len < sdl_min_len) {
printf("gw sdl_len too small\n");
RTS_PID_PRINTF("gateway sdl_len too small: %d", gw_sdl->sdl_len);
return (EINVAL);
}
@ -1433,7 +1436,7 @@ cleanup_xaddrs_inet(struct rt_addrinfo *info)
return (EINVAL);
}
if (mask_sa && mask_sa->sin_len < sizeof(struct sockaddr_in)) {
printf("mask sin_len too small\n");
RTS_PID_PRINTF("prefix mask sin_len too small: %d", mask_sa->sin_len);
return (EINVAL);
}
fill_sockaddr_inet(dst_sa, dst);
@ -1466,11 +1469,11 @@ cleanup_xaddrs_inet6(struct rt_addrinfo *info)
IN6_MASK_ADDR(&dst_sa->sin6_addr, &mask);
if (dst_sa->sin6_len < sizeof(struct sockaddr_in6)) {
printf("dst sin6_len too small\n");
RTS_PID_PRINTF("prefix dst sin6_len too small: %d", dst_sa->sin6_len);
return (EINVAL);
}
if (mask_sa && mask_sa->sin6_len < sizeof(struct sockaddr_in6)) {
printf("mask sin6_len too small\n");
RTS_PID_PRINTF("rtsock: prefix mask sin6_len too small: %d", mask_sa->sin6_len);
return (EINVAL);
}
fill_sockaddr_inet6(dst_sa, &dst_sa->sin6_addr, 0);
@ -2092,9 +2095,9 @@ rt_dispatch(struct mbuf *m, sa_family_t saf)
}
/*
* Checks if rte can be exported v.r.t jails/vnets.
* Checks if rte can be exported w.r.t jails/vnets.
*
* Returns 1 if it can, 0 otherwise.
* Returns true if it can, false otherwise.
*/
static bool
can_export_rte(struct ucred *td_ucred, bool rt_is_host,