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#include <u.h>
#include <libc.h>
#include <ip.h>
#include <thread.h>
#include "netbios.h"
static char *
opname(int opcode)
{
switch (opcode) {
case NbnsOpQuery: return "query";
case NbnsOpRegistration: return "registration";
case NbnsOpRelease: return "release";
case NbnsOpWack: return "wack";
case NbnsOpRefresh: return "refresh";
default:
return "???";
}
}
void
nbnsdumpname(NbName name)
{
int x;
for (x = 0; x < NbNameLen - 1; x++) {
if (name[x] == ' ')
break;
print("%c", tolower(name[x]));
}
print("\\x%.2ux", name[NbNameLen - 1]);
}
void
nbnsdumpmessagequestion(NbnsMessageQuestion *q)
{
print("question: ");
nbnsdumpname(q->name);
switch (q->type) {
case NbnsQuestionTypeNb: print(" NB"); break;
case NbnsQuestionTypeNbStat: print(" NBSTAT"); break;
default: print(" ???");
}
switch (q->class) {
case NbnsQuestionClassIn: print(" IN"); break;
default: print(" ???");
}
print("\n");
}
void
nbnsdumpmessageresource(NbnsMessageResource *r, char *name)
{
print("%s: ", name);
nbnsdumpname(r->name);
switch (r->type) {
case NbnsResourceTypeA: print(" A"); break;
case NbnsResourceTypeNs: print(" NS"); break;
case NbnsResourceTypeNull: print(" NULL"); break;
case NbnsResourceTypeNb: print(" NB"); break;
case NbnsResourceTypeNbStat: print(" NBSTAT"); break;
default: print(" ???");
}
switch (r->class) {
case NbnsResourceClassIn: print(" IN"); break;
default: print(" ???");
}
print(" ttl: %lud", r->ttl);
if (r->rdlength) {
int i;
print(" rdata: ");
for (i = 0; i < r->rdlength; i++)
print("%.2ux", r->rdata[i]);
}
print("\n");
}
void
nbnsdumpmessage(NbnsMessage *s)
{
NbnsMessageQuestion *q;
NbnsMessageResource *r;
print("0x%.4ux %s %s (%d)",
s->id, opname(s->opcode), s->response ? "response" : "request", s->opcode);
if (s->broadcast)
print(" B");
if (s->recursionavailable)
print(" RA");
if (s->recursiondesired)
print(" RD");
if (s->truncation)
print(" TC");
if (s->authoritativeanswer)
print(" AA");
if (s->response)
print(" rcode %d", s->rcode);
print("\n");
for (q = s->q; q; q = q->next)
nbnsdumpmessagequestion(q);
for (r = s->an; r; r = r->next)
nbnsdumpmessageresource(r, "answer");
for (r = s->ns; r; r = r->next)
nbnsdumpmessageresource(r, "ns");
for (r = s->ar; r; r = r->next)
nbnsdumpmessageresource(r, "additional");
}
void
nbdumpdata(void *ap, long n)
{
uchar *p = ap;
long i;
i = 0;
while (i < n) {
int l = n - i < 16 ? n - i : 16;
int b;
print("0x%.4lux ", i);
for (b = 0; b < l; b += 2) {
print(" %.2ux", p[i + b]);
if (b < l - 1)
print("%.2ux", p[i + b + 1]);
else
print(" ");
}
while (b < 16) {
print(" ");
b++;
}
print(" ");
for (b = 0; b < l; b++)
if (p[i + b] >= ' ' && p[i + b] <= '~')
print("%c", p[i + b]);
else
print(".");
print("\n");
i += l;
}
}
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