static int
nbt_alias_handler(PNATState pData, int type)
#endif /*VBOX*/
{
int error;
#ifdef VBOX
if (handlers == NULL)
handlers = RTMemAllocZ(4 * sizeof(struct proto_handler));
handlers[0].pri = 130;
handlers[0].dir = IN|OUT;
handlers[0].proto = UDP;
handlers[0].fingerprint = &fingerprint1;
handlers[0].protohandler = &protohandler1;
handlers[1].pri = 140;
handlers[1].dir = IN;
handlers[1].proto = UDP;
handlers[1].fingerprint = &fingerprint2;
handlers[1].protohandler = &protohandler2in;
handlers[2].pri = 140;
handlers[2].dir = OUT;
handlers[2].proto = UDP;
handlers[2].fingerprint = &fingerprint2;
handlers[2].protohandler = &protohandler2out;
handlers[3].pri = EOH;
#endif /*VBOX*/
switch (type) {
case MOD_LOAD:
error = 0;
#ifdef VBOX
LibAliasAttachHandlers(pData, handlers);
#else
LibAliasAttachHandlers(handlers);
#endif
break;
case MOD_UNLOAD:
error = 0;
#ifdef VBOX
LibAliasDetachHandlers(pData, handlers);
RTMemFree(handlers);
handlers = NULL;
#else
LibAliasDetachHandlers(handlers);
#endif
break;
default:
error = EINVAL;
}
return (error);
}
static int
ftp_alias_handler(PNATState pData, int type)
#endif
{
int error;
#ifdef VBOX
if (handlers == NULL)
handlers = RTMemAllocZ(2 * sizeof(struct proto_handler));
handlers[0].pri = 80;
handlers[0].dir = OUT;
handlers[0].proto = TCP;
handlers[0].fingerprint = &fingerprint;
handlers[0].protohandler = &protohandler;
handlers[1].pri = EOH;
#endif /* VBOX */
switch (type) {
case MOD_LOAD:
error = 0;
#ifdef VBOX
LibAliasAttachHandlers(pData, handlers);
#else
LibAliasAttachHandlers(handlers);
#endif
break;
case MOD_UNLOAD:
error = 0;
#ifdef VBOX
LibAliasDetachHandlers(pData, handlers);
RTMemFree(handlers);
handlers = NULL;
#else
LibAliasDetachHandlers(handlers);
#endif
break;
default:
error = EINVAL;
}
return (error);
}
int
LibAliasLoadModule(char *path)
{
#ifndef VBOX
struct dll *t;
void *handle;
struct proto_handler *m;
const char *error;
moduledata_t *p;
handle = dlopen (path, RTLD_LAZY);
if (!handle) {
fprintf(stderr, "%s\n", dlerror());
return (EINVAL);
}
p = dlsym(handle, "alias_mod");
if ((error = dlerror()) != NULL) {
fprintf(stderr, "%s\n", dlerror());
return (EINVAL);
}
t = malloc(sizeof(struct dll));
if (t == NULL)
return (ENOMEM);
strncpy(t->name, p->name, DLL_LEN);
t->handle = handle;
if (attach_dll(t) == EEXIST) {
free(t);
fprintf(stderr, "dll conflict\n");
return (EEXIST);
}
m = dlsym(t->handle, "handlers");
if ((error = dlerror()) != NULL) {
fprintf(stderr, "%s\n", error);
return (EINVAL);
}
LibAliasAttachHandlers(m);
#else /* !VBOX */
NOREF(path);
#endif /* VBOX */
return (0);
}
static int
mod_handler(module_t mod, int type, void *data)
{
int error;
switch (type) {
case MOD_LOAD:
error = 0;
LibAliasAttachHandlers(handlers);
break;
case MOD_UNLOAD:
error = 0;
LibAliasDetachHandlers(handlers);
break;
default:
error = EINVAL;
}
return (error);
}