void drv_reset_task() {
lock(rtnl_lock);
if ((!netif_running) == 0) {
napi_disable();
dev_down();
dev_up();
napi_enable();
unlock(rtnl_lock);
}
}
void drv_reset_task() {
lock(rtnl_lock);
if ((netif_running) == (0)) {
return;
} else {
napi_disable();
dev_down();
dev_up();
napi_enable();
unlock(rtnl_lock);
}
}
int drv_open() {
int rc;
*(hw_start)();
IntrMask = 0;
rc = request_irq();
if ((rc) < (0)) {
return (rc);
} else {
napi_enable();
dev_up();
return (0);
}
}
int drv_open() {
int rc2;
int ret5;
(*hw_start)();
IntrMask = 0;
rc2 = request_irq();
if (rc2 < 0) {
ret5 = rc2;
} else {
napi_enable();
dev_up();
ret5 = 0;
}
return ret5;
}
int drv_open() { int thread_id = corral_getThreadID();
int rc;
POIROT_ASSERT((hw_start_init) == (1));
IntrMask = 0;
rc = request_irq();
if (poirot_nondet()) {
__hv_assume ((rc) < (0));
return (rc);
} else {
__hv_assume (!((rc) < (0)));
napi_enable();
dev_up();
return (0);
}
}
void drv_reset_task() { int thread_id = corral_getThreadID();
corral_atomic_begin();
__hv_assume ((rtnl_lock) == (0));
rtnl_lock = thread_id;
corral_atomic_end();
if (poirot_nondet()) {
__hv_assume ((netif_running) == (0));
return;
} else {
__hv_assume (!((netif_running) == (0)));
napi_disable();
dev_down();
dev_up();
napi_enable();
rtnl_lock = 0;
}
}
void drv_reset_task()
{
lock(rtnl_lock);
// Skip the reset sequence if a racing rtl8169_down disabled
// the device.
if (!netif_running == 0){
// wait for in-progress send and receive operations to finish.
napi_disable();
// reset hardware
dev_down();
dev_up();
napi_enable();
unlock(rtnl_lock);
}
}
void hostmon(time_t facilitytime, char *ifptr)
{
int logging = options.logging;
struct ethtab table;
struct ethtabent *entry;
char scratch_saddr[ETH_ALEN];
char scratch_daddr[ETH_ALEN];
unsigned int idx = 1;
int is_ip;
int ch;
char *ifname = ifptr;
struct timeval tv;
struct timeval tv_rate;
time_t now = 0;
time_t statbegin = 0;
time_t startlog = 0;
struct timeval updtime;
struct eth_desc *list = NULL;
FILE *logfile = NULL;
int pkt_result;
WINDOW *sortwin;
PANEL *sortpanel;
int keymode = 0;
int fd;
if (ifptr && !dev_up(ifptr)) {
err_iface_down();
return;
}
LIST_HEAD(promisc);
if (options.promisc) {
promisc_init(&promisc, ifptr);
promisc_set_list(&promisc);
}
hostmonhelp();
initethtab(&table);
/* Ethernet description list */
struct eth_desc *elist = load_eth_desc(ARPHRD_ETHER);
/* FDDI description list */
struct eth_desc *flist = load_eth_desc(ARPHRD_FDDI);
if (logging) {
if (strcmp(current_logfile, "") == 0) {
strncpy(current_logfile,
gen_instance_logname(LANLOG, getpid()), 80);
if (!daemonized)
input_logfile(current_logfile, &logging);
}
}
if (logging) {
opentlog(&logfile, current_logfile);
if (logfile == NULL)
logging = 0;
}
if (logging) {
signal(SIGUSR1, rotate_lanlog);
rotate_flag = 0;
writelog(logging, logfile,
"******** LAN traffic monitor started ********");
}
leaveok(table.tabwin, TRUE);
fd = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
if(fd == -1) {
write_error("Unable to obtain monitoring socket");
goto err;
}
if(ifptr && dev_bind_ifname(fd, ifptr) == -1) {
write_error("Unable to bind interface on the socket");
goto err_close;
}
exitloop = 0;
gettimeofday(&tv, NULL);
tv_rate = tv;
updtime = tv;
statbegin = startlog = tv.tv_sec;
PACKET_INIT(pkt);
do {
gettimeofday(&tv, NULL);
now = tv.tv_sec;
unsigned long msecs = timeval_diff_msec(&tv, &tv_rate);
if (msecs >= 1000) {
printelapsedtime(statbegin, now, LINES - 3, 15,
table.borderwin);
updateethrates(&table, msecs, idx);
tv_rate = tv;
}
if (logging) {
check_rotate_flag(&logfile);
if ((now - startlog) >= options.logspan) {
writeethlog(table.head, now - statbegin,
logfile);
startlog = now;
}
}
if (screen_update_needed(&tv, &updtime)) {
update_panels();
doupdate();
updtime = tv;
}
if ((facilitytime != 0)
&& (((now - statbegin) / 60) >= facilitytime))
exitloop = 1;
if (packet_get(fd, &pkt, &ch, table.tabwin) == -1) {
write_error("Packet receive failed");
exitloop = 1;
break;
}
if (ch != ERR) {
if (keymode == 0) {
switch (ch) {
case KEY_UP:
scrollethwin(&table, SCROLLDOWN, &idx);
break;
case KEY_DOWN:
scrollethwin(&table, SCROLLUP, &idx);
break;
case KEY_PPAGE:
case '-':
pageethwin(&table, SCROLLDOWN, &idx);
break;
case KEY_NPAGE:
case ' ':
pageethwin(&table, SCROLLUP, &idx);
break;
case 12:
case 'l':
case 'L':
tx_refresh_screen();
break;
case 's':
case 'S':
show_hostsort_keywin(&sortwin,
&sortpanel);
keymode = 1;
break;
case 'q':
case 'Q':
case 'x':
case 'X':
case 27:
case 24:
exitloop = 1;
}
} else if (keymode == 1) {
del_panel(sortpanel);
delwin(sortwin);
sort_hosttab(&table, &idx, ch);
keymode = 0;
}
}
if (pkt.pkt_len <= 0)
continue;
char ifnamebuf[IFNAMSIZ];
pkt_result =
packet_process(&pkt, NULL, NULL, NULL,
MATCH_OPPOSITE_USECONFIG,
0);
if (pkt_result != PACKET_OK)
continue;
if (!ifptr) {
/* we're capturing on "All interfaces", */
/* so get the name of the interface */
/* of this packet */
int r = dev_get_ifname(pkt.pkt_ifindex, ifnamebuf);
if (r != 0) {
write_error("Unable to get interface name");
break; /* can't get interface name, get out! */
}
ifname = ifnamebuf;
}
/* get HW addresses */
switch (pkt.pkt_hatype) {
case ARPHRD_ETHER: {
memcpy(scratch_saddr, pkt.ethhdr->h_source, ETH_ALEN);
memcpy(scratch_daddr, pkt.ethhdr->h_dest, ETH_ALEN);
list = elist;
break; }
case ARPHRD_FDDI: {
memcpy(scratch_saddr, pkt.fddihdr->saddr, FDDI_K_ALEN);
memcpy(scratch_daddr, pkt.fddihdr->daddr, FDDI_K_ALEN);
list = flist;
break; }
default:
/* unknown link protocol */
continue;
}
switch(pkt.pkt_protocol) {
case ETH_P_IP:
case ETH_P_IPV6:
is_ip = 1;
break;
default:
is_ip = 0;
break;
}
/* Check source address entry */
entry = in_ethtable(&table, pkt.pkt_hatype,
scratch_saddr);
if (!entry)
entry = addethentry(&table, pkt.pkt_hatype,
ifname, scratch_saddr, list);
if (entry != NULL) {
updateethent(entry, pkt.pkt_len, is_ip, 1);
if (!entry->prev_entry->un.desc.printed)
printethent(&table, entry->prev_entry,
idx);
printethent(&table, entry, idx);
}
/* Check destination address entry */
entry = in_ethtable(&table, pkt.pkt_hatype,
scratch_daddr);
if (!entry)
entry = addethentry(&table, pkt.pkt_hatype,
ifname, scratch_daddr, list);
if (entry != NULL) {
updateethent(entry, pkt.pkt_len, is_ip, 0);
if (!entry->prev_entry->un.desc.printed)
printethent(&table, entry->prev_entry,
idx);
printethent(&table, entry, idx);
}
} while (!exitloop);
err_close:
close(fd);
err:
if (options.promisc) {
promisc_restore_list(&promisc);
promisc_destroy(&promisc);
}
if (logging) {
signal(SIGUSR1, SIG_DFL);
writeethlog(table.head, time(NULL) - statbegin, logfile);
writelog(logging, logfile,
"******** LAN traffic monitor stopped ********");
fclose(logfile);
}
del_panel(table.tabpanel);
delwin(table.tabwin);
del_panel(table.borderpanel);
delwin(table.borderwin);
update_panels();
doupdate();
destroyethtab(&table);
free_eth_desc(elist);
free_eth_desc(flist);
strcpy(current_logfile, "");
}
void hostmon(const struct OPTIONS *options, time_t facilitytime, char *ifptr,
struct filterstate *ofilter)
{
int logging = options->logging;
struct ethtab table;
struct ethtabent *entry;
char scratch_saddr[ETH_ALEN];
char scratch_daddr[ETH_ALEN];
unsigned int idx = 1;
int is_ip;
int ch;
char *ifname = ifptr;
struct timeval tv;
time_t starttime;
time_t now = 0;
unsigned long long unow = 0;
time_t statbegin = 0;
time_t startlog = 0;
time_t updtime = 0;
unsigned long long updtime_usec = 0;
struct eth_desc *list = NULL;
FILE *logfile = NULL;
int pkt_result;
WINDOW *sortwin;
PANEL *sortpanel;
int keymode = 0;
int instance_id;
int fd;
struct promisc_states *promisc_list;
if (!facility_active(LANMONIDFILE, ifptr))
mark_facility(LANMONIDFILE, "LAN monitor", ifptr);
else {
write_error("LAN station monitor already running on %s",
gen_iface_msg(ifptr));
return;
}
if (ifptr != NULL) {
if (!dev_up(ifptr)) {
err_iface_down();
unmark_facility(LANMONIDFILE, ifptr);
return;
}
}
if ((first_active_facility()) && (options->promisc)) {
init_promisc_list(&promisc_list);
save_promisc_list(promisc_list);
srpromisc(1, promisc_list);
destroy_promisc_list(&promisc_list);
}
adjust_instance_count(PROCCOUNTFILE, 1);
instance_id = adjust_instance_count(LANMONCOUNTFILE, 1);
hostmonhelp();
initethtab(&table, options->actmode);
/* Ethernet description list */
struct eth_desc *elist = load_eth_desc(ARPHRD_ETHER);
/* FDDI description list */
struct eth_desc *flist = load_eth_desc(ARPHRD_FDDI);
if (logging) {
if (strcmp(current_logfile, "") == 0) {
strncpy(current_logfile,
gen_instance_logname(LANLOG, instance_id), 80);
if (!daemonized)
input_logfile(current_logfile, &logging);
}
}
if (logging) {
opentlog(&logfile, current_logfile);
if (logfile == NULL)
logging = 0;
}
if (logging) {
signal(SIGUSR1, rotate_lanlog);
rotate_flag = 0;
writelog(logging, logfile,
"******** LAN traffic monitor started ********");
}
leaveok(table.tabwin, TRUE);
fd = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
if(fd == -1) {
write_error("Unable to obtain monitoring socket");
goto err;
}
if(ifptr && dev_bind_ifname(fd, ifptr) == -1) {
write_error("Unable to bind interface on the socket");
goto err_close;
}
exitloop = 0;
gettimeofday(&tv, NULL);
starttime = statbegin = startlog = tv.tv_sec;
PACKET_INIT(pkt);
do {
gettimeofday(&tv, NULL);
now = tv.tv_sec;
unow = tv.tv_sec * 1000000ULL + tv.tv_usec;
if ((now - starttime) >= 5) {
printelapsedtime(statbegin, now, LINES - 3, 15,
table.borderwin);
updateethrates(&table, options->actmode, starttime, now,
idx);
starttime = now;
}
if (logging) {
check_rotate_flag(&logfile);
if ((now - startlog) >= options->logspan) {
writeethlog(table.head, options->actmode,
now - statbegin, logfile);
startlog = now;
}
}
if (((options->updrate != 0)
&& (now - updtime >= options->updrate))
|| ((options->updrate == 0)
&& (unow - updtime_usec >= DEFAULT_UPDATE_DELAY))) {
update_panels();
doupdate();
updtime = now;
updtime_usec = unow;
}
if ((facilitytime != 0)
&& (((now - statbegin) / 60) >= facilitytime))
exitloop = 1;
if (packet_get(fd, &pkt, &ch, table.tabwin) == -1) {
write_error("Packet receive failed");
exitloop = 1;
break;
}
if (ch != ERR) {
if (keymode == 0) {
switch (ch) {
case KEY_UP:
scrollethwin(&table, SCROLLDOWN, &idx);
break;
case KEY_DOWN:
scrollethwin(&table, SCROLLUP, &idx);
break;
case KEY_PPAGE:
case '-':
pageethwin(&table, SCROLLDOWN, &idx);
break;
case KEY_NPAGE:
case ' ':
pageethwin(&table, SCROLLUP, &idx);
break;
case 12:
case 'l':
case 'L':
tx_refresh_screen();
break;
case 's':
case 'S':
show_hostsort_keywin(&sortwin,
&sortpanel);
keymode = 1;
break;
case 'q':
case 'Q':
case 'x':
case 'X':
case 27:
case 24:
exitloop = 1;
}
} else if (keymode == 1) {
del_panel(sortpanel);
delwin(sortwin);
sort_hosttab(&table, &idx, ch);
keymode = 0;
}
}
if (pkt.pkt_len > 0) {
char ifnamebuf[IFNAMSIZ];
pkt_result =
packet_process(&pkt, NULL, NULL, NULL,
ofilter,
MATCH_OPPOSITE_USECONFIG,
0);
if (pkt_result != PACKET_OK)
continue;
if (!ifptr) {
/* we're capturing on "All interfaces", */
/* so get the name of the interface */
/* of this packet */
int r = dev_get_ifname(pkt.pkt_ifindex, ifnamebuf);
if (r != 0) {
write_error("Unable to get interface name");
break; /* can't get interface name, get out! */
}
ifname = ifnamebuf;
}
/* get HW addresses */
switch (pkt.pkt_hatype) {
case ARPHRD_ETHER: {
struct ethhdr *hdr_eth =
(struct ethhdr *)pkt.pkt_buf;
memcpy(scratch_saddr, hdr_eth->h_source,
ETH_ALEN);
memcpy(scratch_daddr, hdr_eth->h_dest,
ETH_ALEN);
list = elist;
break; }
case ARPHRD_FDDI: {
struct fddihdr *hdr_fddi =
(struct fddihdr *)pkt.pkt_buf;
memcpy(scratch_saddr, hdr_fddi->saddr,
FDDI_K_ALEN);
memcpy(scratch_daddr, hdr_fddi->daddr,
FDDI_K_ALEN);
list = flist;
break; }
case ARPHRD_IEEE802:
case ARPHRD_IEEE802_TR: {
struct trh_hdr *hdr_trh =
(struct trh_hdr *)pkt.pkt_buf;
memcpy(scratch_saddr, hdr_trh->saddr,
TR_ALEN);
memcpy(scratch_daddr, hdr_trh->daddr,
TR_ALEN);
list = flist;
break; }
default:
/* unknown link protocol */
continue;
}
switch(pkt.pkt_protocol) {
case ETH_P_IP:
case ETH_P_IPV6:
is_ip = 1;
break;
default:
is_ip = 0;
break;
}
/* Check source address entry */
entry = in_ethtable(&table, pkt.pkt_hatype,
scratch_saddr);
if (!entry)
entry = addethentry(&table, pkt.pkt_hatype,
ifname, scratch_saddr, list);
if (entry != NULL) {
updateethent(entry, pkt.pkt_len, is_ip, 1);
if (!entry->prev_entry->un.desc.printed)
printethent(&table, entry->prev_entry,
idx);
printethent(&table, entry, idx);
}
/* Check destination address entry */
entry = in_ethtable(&table, pkt.pkt_hatype,
scratch_daddr);
if (!entry)
entry = addethentry(&table, pkt.pkt_hatype,
ifname, scratch_daddr, list);
if (entry != NULL) {
updateethent(entry, pkt.pkt_len, is_ip, 0);
if (!entry->prev_entry->un.desc.printed)
printethent(&table, entry->prev_entry,
idx);
printethent(&table, entry, idx);
}
}
} while (!exitloop);
err_close:
close(fd);
err:
if ((options->promisc) && (is_last_instance())) {
load_promisc_list(&promisc_list);
srpromisc(0, promisc_list);
destroy_promisc_list(&promisc_list);
}
adjust_instance_count(PROCCOUNTFILE, -1);
adjust_instance_count(LANMONCOUNTFILE, -1);
if (logging) {
signal(SIGUSR1, SIG_DFL);
writeethlog(table.head, options->actmode,
time(NULL) - statbegin, logfile);
writelog(logging, logfile,
"******** LAN traffic monitor stopped ********");
fclose(logfile);
}
del_panel(table.tabpanel);
delwin(table.tabwin);
del_panel(table.borderpanel);
delwin(table.borderwin);
update_panels();
doupdate();
destroyethtab(&table);
free_eth_desc(elist);
free_eth_desc(flist);
unmark_facility(LANMONIDFILE, ifptr);
strcpy(current_logfile, "");
}
/*
* The detailed interface statistics function
*/
void detstats(char *iface, time_t facilitytime)
{
int logging = options.logging;
WINDOW *statwin;
PANEL *statpanel;
int pkt_result = 0;
FILE *logfile = NULL;
unsigned int iplen = 0;
struct ifcounts ifcounts;
int ch;
struct timeval tv;
struct timeval start_tv;
struct timeval updtime;
time_t starttime;
time_t now;
time_t statbegin;
time_t startlog;
struct proto_counter span;
struct rate rate;
struct rate rate_in;
struct rate rate_out;
unsigned long peakactivity = 0;
unsigned long peakactivity_in = 0;
unsigned long peakactivity_out = 0;
struct rate pps_rate;
struct rate pps_rate_in;
struct rate pps_rate_out;
unsigned long peakpps = 0;
unsigned long peakpps_in = 0;
unsigned long peakpps_out = 0;
int fd;
if (!dev_up(iface)) {
err_iface_down();
return;
}
LIST_HEAD(promisc);
if (options.promisc) {
promisc_init(&promisc, iface);
promisc_set_list(&promisc);
}
move(LINES - 1, 1);
stdexitkeyhelp();
statwin = newwin(LINES - 2, COLS, 1, 0);
statpanel = new_panel(statwin);
tx_stdwinset(statwin);
wtimeout(statwin, -1);
wattrset(statwin, BOXATTR);
tx_colorwin(statwin);
tx_box(statwin, ACS_VLINE, ACS_HLINE);
wmove(statwin, 0, 1);
wprintw(statwin, " Statistics for %s ", iface);
wattrset(statwin, STDATTR);
update_panels();
doupdate();
memset(&ifcounts, 0, sizeof(struct ifcounts));
if (logging) {
if (strcmp(current_logfile, "") == 0) {
snprintf(current_logfile, 64, "%s-%s.log", DSTATLOG,
iface);
if (!daemonized)
input_logfile(current_logfile, &logging);
}
}
if (logging) {
opentlog(&logfile, current_logfile);
if (logfile == NULL)
logging = 0;
}
if (logging) {
signal(SIGUSR1, rotate_dstat_log);
rotate_flag = 0;
writelog(logging, logfile,
"******** Detailed interface statistics started ********");
}
printdetlabels(statwin);
printdetails(&ifcounts, statwin);
update_panels();
doupdate();
memset(&span, 0, sizeof(span));
rate_alloc(&rate, 5);
rate_alloc(&rate_in, 5);
rate_alloc(&rate_out, 5);
rate_alloc(&pps_rate, 5);
rate_alloc(&pps_rate_in, 5);
rate_alloc(&pps_rate_out, 5);
gettimeofday(&tv, NULL);
start_tv = tv;
updtime = tv;
starttime = startlog = statbegin = tv.tv_sec;
leaveok(statwin, TRUE);
fd = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
if(fd == -1) {
write_error("Unable to obtain monitoring socket");
goto err;
}
if(dev_bind_ifname(fd, iface) == -1) {
write_error("Unable to bind interface on the socket");
goto err_close;
}
exitloop = 0;
PACKET_INIT(pkt);
/*
* Data-gathering loop
*/
while (!exitloop) {
gettimeofday(&tv, NULL);
now = tv.tv_sec;
if ((now - starttime) >= 1) {
char buf[64];
unsigned long activity, activity_in, activity_out;
unsigned long pps, pps_in, pps_out;
unsigned long msecs;
wattrset(statwin, BOXATTR);
printelapsedtime(statbegin, now, LINES - 3, 1, statwin);
msecs = timeval_diff_msec(&tv, &start_tv);
rate_add_rate(&rate, span.proto_total.pc_bytes, msecs);
activity = rate_get_average(&rate);
rate_add_rate(&rate_in, span.proto_in.pc_bytes, msecs);
activity_in = rate_get_average(&rate_in);
rate_add_rate(&rate_out, span.proto_out.pc_bytes, msecs);
activity_out = rate_get_average(&rate_out);
rate_add_rate(&pps_rate, span.proto_total.pc_packets, msecs);
pps = rate_get_average(&pps_rate);
rate_add_rate(&pps_rate_in, span.proto_in.pc_packets, msecs);
pps_in = rate_get_average(&pps_rate_in);
rate_add_rate(&pps_rate_out, span.proto_out.pc_packets, msecs);
pps_out = rate_get_average(&pps_rate_out);
memset(&span, 0, sizeof(span));
starttime = now;
start_tv = tv;
wattrset(statwin, HIGHATTR);
rate_print(activity, buf, sizeof(buf));
mvwprintw(statwin, 14, 19, "%s", buf);
rate_print_pps(pps, buf, sizeof(buf));
mvwprintw(statwin, 15, 19, "%s", buf);
rate_print(activity_in, buf, sizeof(buf));
mvwprintw(statwin, 17, 19, "%s", buf);
rate_print_pps(pps_in, buf, sizeof(buf));
mvwprintw(statwin, 18, 19, "%s", buf);
rate_print(activity_out, buf, sizeof(buf));
mvwprintw(statwin, 20, 19, "%s", buf);
rate_print_pps(pps_out, buf, sizeof(buf));
mvwprintw(statwin, 21, 19, "%s", buf);
if (activity > peakactivity)
peakactivity = activity;
if (activity_in > peakactivity_in)
peakactivity_in = activity_in;
if (activity_out > peakactivity_out)
peakactivity_out = activity_out;
if (pps > peakpps)
peakpps = pps;
if (pps_in > peakpps_in)
peakpps_in = pps_in;
if (pps_out > peakpps_out)
peakpps_out = pps_out;
}
if (logging) {
check_rotate_flag(&logfile);
if ((now - startlog) >= options.logspan) {
writedstatlog(iface,
peakactivity, peakpps,
peakactivity_in, peakpps_in,
peakactivity_out, peakpps_out,
&ifcounts, time(NULL) - statbegin,
logfile);
startlog = now;
}
}
if (screen_update_needed(&tv, &updtime)) {
printdetails(&ifcounts, statwin);
update_panels();
doupdate();
updtime = tv;
}
if ((facilitytime != 0)
&& (((now - statbegin) / 60) >= facilitytime))
exitloop = 1;
if (packet_get(fd, &pkt, &ch, statwin) == -1) {
write_error("Packet receive failed");
exitloop = 1;
break;
}
switch (ch) {
case ERR:
/* no key ready, do nothing */
break;
case 12:
case 'l':
case 'L':
tx_refresh_screen();
break;
case 'Q':
case 'q':
case 'X':
case 'x':
case 24:
case 27:
exitloop = 1;
break;
}
if (pkt.pkt_len <= 0)
continue;
int outgoing;
pkt_result =
packet_process(&pkt, NULL, NULL, NULL,
MATCH_OPPOSITE_USECONFIG,
options.v6inv4asv6);
if (pkt_result != PACKET_OK
&& pkt_result != MORE_FRAGMENTS)
continue;
outgoing = (pkt.pkt_pkttype == PACKET_OUTGOING);
update_proto_counter(&ifcounts.total, outgoing, pkt.pkt_len);
if (pkt.pkt_pkttype == PACKET_BROADCAST) {
update_pkt_counter(&ifcounts.bcast, pkt.pkt_len);
}
update_proto_counter(&span, outgoing, pkt.pkt_len);
/* account network layer protocol */
switch(pkt.pkt_protocol) {
case ETH_P_IP:
if (pkt_result == CHECKSUM_ERROR) {
update_pkt_counter(&ifcounts.bad, pkt.pkt_len);
continue;
}
iplen = ntohs(pkt.iphdr->tot_len);
update_proto_counter(&ifcounts.ipv4, outgoing, iplen);
break;
case ETH_P_IPV6:
iplen = ntohs(pkt.ip6_hdr->ip6_plen) + 40;
update_proto_counter(&ifcounts.ipv6, outgoing, iplen);
break;
default:
update_proto_counter(&ifcounts.nonip, outgoing, iplen);
continue;
}
__u8 ip_protocol = pkt_ip_protocol(&pkt);
/* account transport layer protocol */
switch (ip_protocol) {
case IPPROTO_TCP:
update_proto_counter(&ifcounts.tcp, outgoing, iplen);
break;
case IPPROTO_UDP:
update_proto_counter(&ifcounts.udp, outgoing, iplen);
break;
case IPPROTO_ICMP:
case IPPROTO_ICMPV6:
update_proto_counter(&ifcounts.icmp, outgoing, iplen);
break;
default:
update_proto_counter(&ifcounts.other, outgoing, iplen);
break;
}
}
err_close:
close(fd);
err:
rate_destroy(&pps_rate_out);
rate_destroy(&pps_rate_in);
rate_destroy(&pps_rate);
rate_destroy(&rate_out);
rate_destroy(&rate_in);
rate_destroy(&rate);
if (options.promisc) {
promisc_restore_list(&promisc);
promisc_destroy(&promisc);
}
if (logging) {
signal(SIGUSR1, SIG_DFL);
writedstatlog(iface,
peakactivity, peakpps, peakactivity_in,
peakpps_in, peakactivity_out, peakpps_out,
&ifcounts, time(NULL) - statbegin,
logfile);
writelog(logging, logfile,
"******** Detailed interface statistics stopped ********");
fclose(logfile);
}
del_panel(statpanel);
delwin(statwin);
strcpy(current_logfile, "");
pkt_cleanup();
update_panels();
doupdate();
}
static void initiflist(struct iflist **list)
{
char ifname[IFNAMSIZ];
*list = NULL;
FILE *fd = open_procnetdev();
if (fd == NULL) {
tui_error(ANYKEY_MSG, "Unable to obtain interface list");
return;
}
while (get_next_iface(fd, ifname, sizeof(ifname))) {
if (!*ifname)
continue;
if (ifinlist(*list, ifname)) /* ignore entry if already in */
continue; /* interface list */
/*
* Check if the interface is actually up running. This prevents
* inactive devices in /proc/net/dev from actually appearing in
* interface lists used by IPTraf.
*/
if (!dev_up(ifname))
continue;
int ifindex = dev_get_ifindex(ifname);
if (ifindex < 0)
continue;
/*
* At this point, the interface is now sure to be up and running.
*/
struct iflist *itmp = xmallocz(sizeof(struct iflist));
strcpy(itmp->ifname, ifname);
itmp->ifindex = ifindex;
rate_init(&itmp->rate, 5);
/* make the linked list sorted by ifindex */
struct iflist *cur = *list, *last = NULL;
while (cur != NULL && cur->ifindex < ifindex) {
last = cur;
cur = cur->next_entry;
}
itmp->prev_entry = last;
itmp->next_entry = cur;
if (cur)
cur->prev_entry = itmp;
if (last)
last->next_entry = itmp;
else
*list = itmp;
}
fclose(fd);
/* let the index follow the sorted linked list */
unsigned int index = 1;
struct iflist *cur;
for (cur = *list; cur != NULL; cur = cur->next_entry)
cur->index = index++;
}
/*===========================================================================*
* do_mapdriver *
*===========================================================================*/
PUBLIC int do_mapdriver()
{
int r, force, major, proc_nr_n;
unsigned long tasknr;
vir_bytes label_vir;
size_t label_len;
char label[LABEL_MAX];
if (!super_user)
{
printf("FS: unauthorized call of do_mapdriver by proc %d\n",
who_e);
return(EPERM); /* only su (should be only RS or some drivers)
* may call do_mapdriver.
*/
}
/* Get the label */
label_vir= (vir_bytes)m_in.md_label;
label_len= m_in.md_label_len;
if (label_len+1 > sizeof(label))
{
printf("vfs:do_mapdriver: label too long\n");
return EINVAL;
}
r= sys_vircopy(who_e, D, label_vir, SELF, D, (vir_bytes)label,
label_len);
if (r != OK)
{
printf("vfs:do_mapdriver: sys_vircopy failed: %d\n", r);
return EINVAL;
}
label[label_len]= '\0';
r= ds_retrieve_label_num(label, &tasknr);
if (r != OK)
{
printf("vfs:do_mapdriver: ds doesn't know '%s'\n", label);
return EINVAL;
}
if (isokendpt(tasknr, &proc_nr_n) != OK)
{
printf("vfs:do_mapdriver: bad endpoint %d\n", tasknr);
return(EINVAL);
}
/* Try to update device mapping. */
major= m_in.md_major;
force= m_in.md_force;
r= map_driver(label, major, tasknr, m_in.md_style, force);
if (r == OK)
{
/* If a driver has completed its exec(), it can be announced
* to be up.
*/
if(force || fproc[proc_nr_n].fp_execced) {
dev_up(major);
} else {
dmap[major].dmap_flags |= DMAP_BABY;
}
}
return(r);
}
/*
* Execute an individual uptest. Call with locks applied
*/
static int uptest (servparm_t *serv, int j)
{
int ret=0, count_running_ping=0;
pdnsd_a *s_addr= PDNSD_A2_TO_A(&DA_INDEX(serv->atup_a,j).a);
DEBUG_PDNSDA_MSG("performing uptest (type=%s) for %s\n",const_name(serv->uptest),PDNSDA2STR(s_addr));
/* Unlock the mutex because some of the tests may take a while. */
++server_data_users;
if((serv->uptest==C_PING || serv->uptest==C_QUERY) && pthread_equal(pthread_self(),servstat_thrid)) {
/* Inform other threads that a ping is in progress. */
count_running_ping=1;
++server_status_ping;
}
pthread_mutex_unlock(&servers_lock);
switch (serv->uptest) {
case C_NONE:
/* Don't change */
ret=DA_INDEX(serv->atup_a,j).is_up;
break;
case C_PING:
ret=ping(is_inaddr_any(&serv->ping_a) ? s_addr : &serv->ping_a, serv->ping_timeout,PINGREPEAT)!=-1;
break;
case C_IF:
case C_DEV:
case C_DIALD:
ret=if_up(serv->interface);
#if (TARGET==TARGET_LINUX)
if (ret!=0) {
if(serv->uptest==C_DEV)
ret=dev_up(serv->interface,serv->device);
else if (serv->uptest==C_DIALD)
ret=dev_up("diald",serv->device);
}
#endif
break;
case C_EXEC: {
pid_t pid;
if ((pid=fork())==-1) {
DEBUG_MSG("Could not fork to perform exec uptest: %s\n",strerror(errno));
break;
} else if (pid==0) { /* child */
/*
* If we ran as setuid or setgid, do not inherit this to the
* command. This is just a last guard. Running pdnsd as setuid()
* or setgid() is a no-no.
*/
if (setgid(getgid()) == -1 || setuid(getuid()) == -1) {
log_error("Could not reset uid or gid: %s",strerror(errno));
_exit(1);
}
/* Try to setuid() to a different user as specified. Good when you
don't want the test command to run as root */
if (!run_as(serv->uptest_usr)) {
_exit(1);
}
{
struct rlimit rl; int i;
/*
* Mark all open fd's FD_CLOEXEC for paranoia reasons.
*/
if (getrlimit(RLIMIT_NOFILE, &rl) == -1) {
log_error("getrlimit() failed: %s",strerror(errno));
_exit(1);
}
for (i = 0; i < rl.rlim_max; i++) {
if (fcntl(i, F_SETFD, FD_CLOEXEC) == -1 && errno != EBADF) {
log_error("fcntl(F_SETFD) failed: %s",strerror(errno));
_exit(1);
}
}
}
execl("/bin/sh", "uptest_sh","-c",serv->uptest_cmd,(char *)NULL);
_exit(1); /* failed execl */
} else { /* parent */
int status;
pid_t wpid = waitpid(pid,&status,0);
if (wpid==pid) {
if(WIFEXITED(status)) {
int exitstatus=WEXITSTATUS(status);
DEBUG_MSG("uptest command \"%s\" exited with status %d\n",
serv->uptest_cmd, exitstatus);
ret=(exitstatus==0);
}
#if DEBUG>0
else if(WIFSIGNALED(status)) {
DEBUG_MSG("uptest command \"%s\" was terminated by signal %d\n",
serv->uptest_cmd, WTERMSIG(status));
}
else {
DEBUG_MSG("status of uptest command \"%s\" is of unkown type (0x%x)\n",
serv->uptest_cmd, status);
}
#endif
}
#if DEBUG>0
else if (wpid==-1) {
DEBUG_MSG("Error while waiting for uptest command \"%s\" to terminate: "
"waitpid for pid %d failed: %s\n",
serv->uptest_cmd, pid, strerror(errno));
}
else {
DEBUG_MSG("Error while waiting for uptest command \"%s\" to terminate: "
"waitpid returned %d, expected pid %d\n",
serv->uptest_cmd, wpid, pid);
}
#endif
}
}
break;
case C_QUERY:
ret=query_uptest(s_addr, serv->port,
serv->timeout>=global.timeout?serv->timeout:global.timeout,
PINGREPEAT);
} /* end of switch */
pthread_mutex_lock(&servers_lock);
if(count_running_ping)
--server_status_ping;
PDNSD_ASSERT(server_data_users>0, "server_data_users non-positive before attempt to decrement it");
if (--server_data_users==0) pthread_cond_broadcast(&server_data_cond);
DEBUG_PDNSDA_MSG("result of uptest for %s: %s\n",
PDNSDA2STR(s_addr),
ret?"OK":"failed");
return ret;
}
