#include "af.h"
-static const char tstr[] = "[|rip]";
/*
* RFC 1058 and RFC 2453 header of packet.
/* RFC 1058 */
if (remaining < RIP_ROUTELEN)
return (0);
+ ND_TCHECK_SIZE(ni);
family = EXTRACT_BE_U_2(ni->rip_family);
if (family != BSD_AFNUM_INET && family != 0) {
ND_PRINT("\n\t AFI %s, ", tok2str(bsd_af_values, "Unknown (%u)", family));
ipaddr_string(ndo, ni->rip_dest),
EXTRACT_BE_U_4(ni->rip_metric));
return (RIP_ROUTELEN);
+trunc:
+ return 0;
}
static unsigned
if (remaining < sizeof(*eh))
return (0);
+ ND_TCHECK_SIZE(eh);
family = EXTRACT_BE_U_2(eh->rip_family);
if (family == 0xFFFF) { /* variable-sized authentication structures */
uint16_t auth_type = EXTRACT_BE_U_2(eh->rip_tag);
remaining -= sizeof(*eh);
if (auth_type == 2) {
ND_PRINT("\n\t Simple Text Authentication data: ");
- if (fn_printzp(ndo, p, RIP_AUTHLEN, p + remaining))
+ if (nd_printzp(ndo, p, RIP_AUTHLEN, p + remaining))
return (0);
} else if (auth_type == 3) {
const struct rip_auth_crypto_v2 *ch;
ch = (const struct rip_auth_crypto_v2 *)p;
+ ND_TCHECK_SIZE(ch);
if (remaining < sizeof(*ch))
return (0);
ND_PRINT("\n\t Auth header:");
print_unknown_data(ndo, p + sizeof(*eh), "\n\t ", RIP_ROUTELEN - sizeof(*eh));
} else { /* BSD_AFNUM_INET or AFI 0 */
ni = (const struct rip_netinfo_v2 *)p;
+ ND_TCHECK_SIZE(ni);
if (remaining < sizeof(*ni))
return (0);
ND_PRINT("\n\t AFI %s, %15s/%-2d, tag 0x%04x, metric: %u, next-hop: ",
ND_PRINT("self");
}
return (RIP_ROUTELEN);
+trunc:
+ return 0;
}
void
u_int i, j;
unsigned entry_size;
+ ndo->ndo_protocol = "rip";
if (ndo->ndo_snapend < dat) {
- ND_PRINT(" %s", tstr);
+ nd_print_trunc(ndo);
return;
}
i = ndo->ndo_snapend - dat;
if (i > length)
i = length;
if (i < sizeof(*rp)) {
- ND_PRINT(" %s", tstr);
+ nd_print_trunc(ndo);
return;
}
i -= sizeof(*rp);
rp = (const struct rip *)dat;
+ ND_TCHECK_SIZE(rp);
vers = EXTRACT_U_1(rp->rip_vers);
ND_PRINT("%sRIPv%u",
(ndo->ndo_vflag >= 1) ? "\n\t" : "",
entry_size = rip_entry_print_v1(ndo, p, i);
if (entry_size == 0) {
/* Error */
- ND_PRINT("%s", tstr);
+ nd_print_trunc(ndo);
break;
}
p += entry_size;
entry_size = rip_entry_print_v2(ndo, p, i);
if (entry_size == 0) {
/* Error */
- ND_PRINT("%s", tstr);
+ nd_print_trunc(ndo);
break;
}
#if 0
if (!print_unknown_data(ndo, (const uint8_t *)rp, "\n\t", length))
return;
}
+trunc:
+ return;
}