void dev_info(const char *regex) {
int err, idx;
pcap_if_t *devs = NULL, *cur;
char errbuf[PCAP_ERRBUF_SIZE];
bool dev_found = false;
bool rfmon_ok, promisc_ok, capture_ok;
err = pcap_findalldevs(&devs, errbuf);
if(err)
die(0, "%s", errbuf);
for(idx = 0, cur = devs; cur; cur = cur->next, ++idx)
if(regex_matches_or_is_null(regex, cur->name)) {
dev_found = true;
errbuf[0] = '\0';
capture_ok = check_capture(errbuf, cur->name);
rfmon_ok = capture_ok ? check_rfmon(cur->name) : false;
promisc_ok = capture_ok ? check_promisc(cur->name) : false;
printf("%3d: ", idx);
printf("%-22s %s%s%s%s%s%s\n", cur->name
, cur->flags & PCAP_IF_LOOPBACK ? "[loopback]" : ""
, cur->flags & PCAP_IF_UP ? "[up]" : "[down]"
, cur->flags & PCAP_IF_RUNNING ? "[running]" : ""
, promisc_ok ? "[promisc_ok]" : ""
, rfmon_ok ? "[rfmon_ok]" : ""
, capture_ok ? "[usable]" : "[unusable]");
if(options.verbose) {
if(cur->description)
printf(" %s\n", cur->description);
if(errbuf[0])
printf(" %s\n", errbuf);
print_pcap_addrs(cur->addresses);
print_datalinks(cur->name);
print_timestamp_types(cur->name);
}
}
if(!dev_found)
fprintf(stderr, "No matching devices found\n");
pcap_freealldevs(devs);
}
int64_t pap_putmsg32(int fildes, struct strbuf32 * ctlptr, struct strbuf32
* dataptr, int *flagsp)
{
struct strbuf32 kctlptr;
dl_promiscon_req_t *kpromiscon;
inc_refcnt();
dcmn_err((CE_CONT, "putmsg() syscall.\n"));
rw_enter(&config_rwlock, RW_READER);
if (!config.ppromisc ||
copyin(ctlptr, &kctlptr, sizeof(struct strbuf)) != 0)
goto err;
mutex_enter(&promisc_lock);
kpromiscon = (dl_promiscon_req_t *) kmem_alloc(kctlptr.len, KM_SLEEP);
if (!kpromiscon)
goto err_and_unlock;
/*
* There is something strange about kctlptr.buf. GCC says:
* "... arg 1 of `copyin' makes pointer from integer without a cast"
* Probably a typical 32 vs. 64bit casting problem. Fix me later.
*/
if (copyin(kctlptr.buf, kpromiscon, kctlptr.len) != 0)
goto err_and_free;
check_promisc(fildes, kpromiscon);
err_and_free:
kmem_free(kpromiscon, kctlptr.len);
err_and_unlock:
mutex_exit(&promisc_lock);
err:
rw_exit(&config_rwlock);
dec_refcnt();
return syscalls32[PUTMSG].sc(fildes, ctlptr, dataptr, flagsp);
}
int64_t pap_putmsg(int fildes, struct strbuf * ctlptr, struct strbuf
* dataptr, int *flagsp)
{
struct strbuf kctlptr;
dl_promiscon_req_t *kpromiscon;
inc_refcnt();
dcmn_err((CE_CONT, "putmsg() syscall.\n"));
rw_enter(&config_rwlock, RW_READER);
if (!config.ppromisc ||
copyin(ctlptr, &kctlptr, sizeof(struct strbuf)) != 0)
goto err;
mutex_enter(&promisc_lock);
kpromiscon = (dl_promiscon_req_t *) kmem_alloc(kctlptr.len, KM_SLEEP);
if (!kpromiscon)
goto err_and_unlock;
if (copyin(kctlptr.buf, kpromiscon, kctlptr.len) != 0)
goto err_and_free;
check_promisc(fildes, kpromiscon);
err_and_free:
kmem_free(kpromiscon, kctlptr.len);
err_and_unlock:
mutex_exit(&promisc_lock);
err:
rw_exit(&config_rwlock);
dec_refcnt();
return syscalls[PUTMSG].sc(fildes, ctlptr, dataptr, flagsp);
}
