void write_to_serial(int outfd, void *inbuf, int len) {
u_int8_t *p = inbuf;
int i, ecode;
struct ip *iphdr = inbuf;
/*
* Sanity checks.
*/
ecode = check_ip(inbuf, len);
if (ecode < 0) {
fprintf(stderr, "tun_to_serial: drop packet %d\n", ecode);
return;
}
if (iphdr->ip_id == 0 && iphdr->ip_off & IP_DF) {
uint16_t nid = htons(ip_id++);
iphdr->ip_id = nid;
nid = ~nid; /* negate */
iphdr->ip_sum += nid; /* add */
if (iphdr->ip_sum < nid) { /* 1-complement overflow? */
iphdr->ip_sum++;
}
ecode = check_ip(inbuf, len);
if (ecode < 0) {
fprintf(stderr, "tun_to_serial: drop packet %d\n", ecode);
return;
}
}
/* It would be ``nice'' to send a SLIP_END here but it's not
* really necessary.
*/
/* slip_send(outfd, SLIP_END); */
for (i = 0; i < len; i++) {
switch (p[i]) {
case SLIP_END:
slip_send(outfd, SLIP_ESC);
slip_send(outfd, SLIP_ESC_END);
break;
case SLIP_ESC:
slip_send(outfd, SLIP_ESC);
slip_send(outfd, SLIP_ESC_ESC);
break;
default:
slip_send(outfd, p[i]);
break;
}
}
slip_send(outfd, SLIP_END);
PROGRESS("t");
}
int main(int argc, char *argv[])
{
in_addr_t dst_ip;
unsigned char *mac;
in_addr_t ip;
int chkip;
if ( argc < 2 ) {
printf("too few argument\n");
exit(-1);
}
dst_ip = inet_addr(argv[1]);
mac = (char*)malloc(16);
get_if_info("eth0", mac, &ip);
chkip = check_ip("eth0", dst_ip);
if ( chkip < 0 ){
printf("check_ip error\n");
return -1;
}else if ( chkip == 0 )
printf("IP free\n");
else
printf("IP has been used\n");
return 0;
}
int main(int argc, char *argv[])
{
char *ip, ip_tmp[32];
unsigned short int port = 3306; /* mysql default port */
setvbuf(stdout, NULL, _IONBF, 0);
textcolor(BRIGHT, RED, BLACK);
fprintf(stderr, "\n\t[ finger_mysql.c ]");
fprintf(stderr, "\n\t[ by st0ic ]");
fprintf(stderr, "\n\t[ Fsix.Net ]");
textcolor(BRIGHT, BLUE, BLACK);
fprintf(stderr, "\n\n\t---> Don't Be Scer'ed!\n\n");
textcolor(RESET, DEFAULT, DEFAULT);
if (argc < 2 || argc > 3)
{
fprintf(stderr, "usage: %s <ip> [port]\n", argv[0]);
fprintf(stderr, "\t ip\t Required. C Class IP to scan (ex. 10.219.1.).\n");
fprintf(stderr, "\t port\t Optional. MySQL port to connect to (ex. 3306).\n");
fprintf(stderr, "\t Examples: %s 192.168.1. 3306\n", argv[0]);
fprintf(stderr, "\t %s 192.168.1. > dump.txt\n\n", argv[0]);
exit(1);
}
ip = argv[1];
sprintf(ip_tmp, "%s", ip);
if (argv[2] != NULL)
port = ((unsigned short int)atoi(argv[2]));
bzero(&sockfd, sizeof(sockfd));
check_ip (ip_tmp);
parse_ip (ip);
start_threads(ip, port);
return 0;
}
int check_and_ack(struct dhcpMessage* packet, uint32_t ip)
{
uint32_t static_ip = 0;
/* There is an Static IP for this guy, whether it is requested or not */
if ((static_ip = getIpByMac(server_config.static_leases, packet->chaddr)) != 0)
{
msglogd(LOG_INFO, LOGTYPE_DHCP, "DHCPS:REQUEST ip %x, static ip %x", ip, static_ip);
return sendACK(packet, static_ip);
}
/* requested ip is reserved by a static lease -- if it is himself, situation above match */
if (reservedIp(server_config.static_leases, ip))
{
msglogd(LOG_INFO, LOGTYPE_DHCP, "DHCPS:REQUEST ip %x is reserved as a static ip", ip);
return sendNAK(packet);
}
/* if some one reserve it */
if ( ip != packet->ciaddr && check_ip(packet, ip) )
{
msglogd(LOG_INFO, LOGTYPE_DHCP, "DHCPS:REQUEST ip %x already reserved by someone", ip);
return sendNAK(packet);
}
if (ntohl(ip) < ntohl(server_config.start) || ntohl(ip) > ntohl(server_config.end))
{
msglogd(LOG_INFO, LOGTYPE_DHCP, "DHCPS:REQUEST ip %x is not in the address pool", ip);
return sendNAK(packet);
}
return sendACK(packet, ip);
}
static void radegast_auth_client(in_addr_t ip)
{
int32_t ok;
struct s_auth *account;
struct s_client *cl = cur_client();
ok = check_ip(cfg.rad_allowed, ip);
if (!ok)
{
cs_log ("radegast: IP not allowed");
cs_auth_client(cl, (struct s_auth *)0, NULL);
cs_disconnect_client(cl);
}
for (ok=0, account=cfg.account; (cfg.rad_usr[0]) && (account) && (!ok); account=account->next)
{
ok=(!strcmp(cfg.rad_usr, account->usr));
if (ok && cs_auth_client(cl, account, NULL))
cs_disconnect_client(cl);
}
if (!ok)
cs_auth_client(cl, ok ? account : (struct s_auth *)(-1), "radegast");
}
void testcase(int index , int size)
{
//printf("inside testcase");
int checkip=0;
strcpy(testname,input_arra[index]);
checkip=check_ip(size);
if(checkip!=0)
{
strcpy(ip," ");
strcpy(ip,input_arra[checkip+1]);
}
//printf("testcase name %s is checking on ip = %s and ",testname, ip);
int checks=-1;
checks=check_s(index,size);
if(checks != -1)
{
teststream=atoi(input_arra[checks]);
printf("stream number is %d \n",teststream);
checks=teststream;
}
if( !strcmp(testname,"FR") || !strcmp(testname,"fr"))
{
//printf("inside fr");
tc_fr(checks , checkip);
}
}
static void radegast_auth_client(IN_ADDR_T ip)
{
int32_t ok;
struct s_auth *account;
struct s_client *cl = cur_client();
ok = check_ip(cfg.rad_allowed, ip);
if (!ok)
{
cs_log ("radegast: IP not allowed");
cs_auth_client(cl, (struct s_auth *)0, NULL);
cs_disconnect_client(cl);
}
for (ok = 0, account = cfg.account; cfg.rad_usr && account && !ok; account = account->next)
{
ok = streq(cfg.rad_usr, account->usr);
if (ok && cs_auth_client(cl, account, NULL))
cs_disconnect_client(cl);
}
if (!ok)
cs_auth_client(cl, ok ? account : (struct s_auth *)(-1), "radegast");
}
/* find an assignable address, it check_expired is true, we check all the expired leases as well.
* Maybe this should try expired leases by age... */
uint32_t find_address(int check_expired)
{
uint32_t addr, ret;
struct dhcpOfferedAddr *lease = NULL;
addr = ntohl(server_config.start); /* addr is in host order here */
for (;addr <= ntohl(server_config.end); addr++) {
/* ie, 192.168.55.0 */
if (!(addr & 0xFF)) continue;
/* ie, 192.168.55.255 */
if ((addr & 0xFF) == 0xFF) continue;
/* Only do if it isn't an assigned as a static lease */
if (!reservedIp(server_config.static_leases, htonl(addr))) {
/* lease is not taken */
ret = htonl(addr);
lease = find_lease_by_yiaddr(ret);
/* no lease or it expired and we are checking for expired leases */
if ( (!lease || (check_expired && lease_expired(lease)))
&& /* and it isn't on the network */ !check_ip(ret)
) {
return ret;
break;
}
}
}
return 0;
}
static int
tds_check_ip(gnutls_x509_crt_t cert, const char *hostname)
{
int ret;
union {
struct in_addr v4;
struct in6_addr v6;
} ip;
unsigned ip_size;
/* check whether @hostname is an ip address */
if (strchr(hostname, ':') != NULL) {
ip_size = 16;
ret = inet_pton(AF_INET6, hostname, &ip.v6);
} else {
ip_size = 4;
ret = inet_pton(AF_INET, hostname, &ip.v4);
}
if (ret != 0)
ret = check_ip(cert, &ip, ip_size);
/* There are several misconfigured servers, that place their IP
* in the DNS field of subjectAlternativeName. Don't break these
* configurations and verify the IP as it would have been a DNS name. */
return ret;
}
static int8_t monitor_check_ip(void)
{
int32_t ok=0;
struct s_client *cur_cl = cur_client();
if (cur_cl->auth) return 0;
ok = check_ip(cfg.mon_allowed, cur_cl->ip);
if (!ok)
{
cs_auth_client(cur_cl, (struct s_auth *)0, "invalid ip");
return -1;
}
return 0;
}
static void radegast_auth_client(in_addr_t ip)
{
int32_t ok;
struct s_auth *account;
ok = check_ip(cfg.rad_allowed, ip);
if (!ok)
{
cs_auth_client(cur_client(), (struct s_auth *)0, NULL);
cs_exit(0);
}
for (ok=0, account=cfg.account; (cfg.rad_usr[0]) && (account) && (!ok); account=account->next)
{
ok=(!strcmp(cfg.rad_usr, account->usr));
if (ok && cs_auth_client(cur_client(), account, NULL))
cs_exit(0);
}
if (!ok)
cs_auth_client(cur_client(), (struct s_auth *)(-1), NULL);
}
u_int32_t find_address(int check_expired)
#endif
{
u_int32_t addr, ret = 0;
struct dhcpOfferedAddr *lease = NULL;
#ifdef NK_CONFIG_SUPPORT_MULTI_DHCP_SUBNET
addr = ntohl(selected_dhcp_pool->start_ip.s_addr);
for (;ntohl(addr) <= ntohl(selected_dhcp_pool->end_ip.s_addr) ;addr = htonl(ntohl(addr) + 1)) {
if (addr == ntohl(selected_dhcp_pool->server_ip.s_addr)) continue;
if (ret == selected_dhcp_pool->server_ip.s_addr) continue;
#else
addr = ntohl(server_config.start);
for (;ntohl(addr) <= ntohl(server_config.end) ;addr = htonl(ntohl(addr) + 1)) {
if (addr == ntohl(server_config.server)) continue;
if (ret == server_config.server) continue;
#endif
/* ie, 192.168.55.0 */
if (!(ntohl(addr) & 0xFF)) continue;
/* ie, 192.168.55.255 */
if ((ntohl(addr) & 0xFF) == 0xFF) continue;
/* lease is not taken */
if ((!(lease = find_lease_by_yiaddr(addr)) ||
/* or it expired and we are checking for expired leases */
(check_expired && lease_expired(lease))) &&
/* and it isn't on the network */
!check_ip(addr)) {
ret = addr;
break;
}
}
return ret;
}
/* check is an IP is taken, if it is, add it to the lease table */
int check_ip(u_int32_t addr)
{
char blank_chaddr[] = {[0 ... 15] = 0};
struct in_addr temp;
int i;//fix if lease is static IP,don't check arp
for (i = 0; i < server_config.max_leases; i++) {
if (leases[i].yiaddr == addr && leases[i].is_static == 1) {
return 0;
}
}
if (arpping(addr, server_config.server, server_config.arp, server_config.interface) == 0) {
temp.s_addr = addr;
LOG(LOG_INFO, "%s belongs to someone, reserving it for %ld seconds",
inet_ntoa(temp), server_config.conflict_time);
/* 2007/07/30 jane: bug fix dhcp status do not show client's host name */
#if 1
add_lease(blank_chaddr, addr, server_config.conflict_time, NULL, (u_int32_t)0);
#else
add_lease(blank_chaddr, addr, server_config.conflict_time);
#endif
return 1;
} else return 0;
}
/* find an assignable address, it check_expired is true, we check all the expired leases as well.
* Maybe this should try expired leases by age... */
u_int32_t find_address(int check_expired)
{
u_int32_t addr, ret;
struct dhcpOfferedAddr *lease = NULL;
addr = ntohl(server_config.start); /* addr is in host order here */
for (;addr <= ntohl(server_config.end); addr++) {
#if 1
/* Network IP and BroadcastIP
ie. netmask 255.255.255.0, server ip 192.168.55.1
can't lease 192.168.55.0 or 192.168.55.255
*/
if(addr==(server_config.netmask & server_config.server))
continue;
if(addr==((~(server_config.netmask))|(server_config.server)))
continue;
#else
/* ie, 192.168.55.0 */
if (!(addr & 0xFF)) continue;
/* ie, 192.168.55.255 */
if ((addr & 0xFF) == 0xFF) continue;
#endif
/* not lease server ip */
if(addr == server_config.server) continue;
#ifdef STATIC_LEASE
/* Only do if it isn't an assigned as a static lease */
if(!reservedIp(server_config.static_leases, htonl(addr)))
#endif
{
/* lease is not taken */
ret = htonl(addr);
if ((!(lease = find_lease_by_yiaddr(ret)) ||
/* or it expired and we are checking for expired leases */
( (check_expired == 1) && lease_expired(lease))) &&
/* and it isn't on the network */
!check_ip(ret)) {
return ret;
}
else if(check_expired == 2) //some one leases this ip and this ip is not expired.
{
int arpping_time = 0;
int ret_arpping = 0;
//printf("\r\n Any one use this ip[%x]?",ret);
for(arpping_time = 0; arpping_time<3; arpping_time++)
{
char ret_hwaddr[6];
if (arpping(ret, server_config.server, server_config.arp, server_config.interface, ret_hwaddr) == 0)
{
ret_arpping = 1;
break;
}
}
// But this ip is not alive in network. we release this ip
if ( ret_arpping == 1)
{
//printf(" YES.__[%s-%u]\r\n",__FILE__,__LINE__);
}
else
{
//printf(" NO.__[%s-%u]\r\n",__FILE__,__LINE__);
return ret;
}
}
}
}
return 0;
}
/*
* Read from serial, when we have a packet write it to tun. No output
* buffering, input buffered by stdio.
*/
void serial_to_tun(int sockfd, int outfd) {
static union {
unsigned char inbuf[2000];
struct ip iphdr;
} uip;
static unsigned int inbufptr = 0;
int ret;
unsigned char c;
static unsigned char old_c = 0;
#ifdef linux
if (old_c)
{
c = old_c;
old_c = 0;
ret = 1;
}
else
{
ret = recv(sockfd, &c, 1, 0);
if(ret == -1 || ret == 0)
{
return;
err(1, "serial_to_tun: read");
}
}
goto after_fread;
#endif
read_more: if (inbufptr >= sizeof(uip.inbuf)) {
inbufptr = 0;
}
ret = recv(sockfd, &c, 1, 0);
#ifdef linux
after_fread:
#endif
if (ret == -1) {
return;
err(1, "serial_to_tun: read");
}
if (ret == 0) {
//~ clearerr(inslip);
return;
fprintf(stderr, "serial_to_tun: EOF\n");
exit(1);
}
//~ fprintf(stderr, "|%2x",c);
switch (c) {
case SLIP_END:
if (inbufptr > 0) {
/*
* Sanity checks.
*/
#define DEBUG_LINE_MARKER '\r'
int ecode;
ecode = check_ip(&uip.iphdr, inbufptr);
if (ecode < 0 && inbufptr == 8 && strncmp((char *)uip.inbuf, "=IPA", 4)
== 0) {
static struct in_addr ipa;
inbufptr = 0;
if (memcmp(&ipa, &uip.inbuf[4], sizeof(ipa)) == 0) {
break;
}
/* New address. */
if (ipa.s_addr != 0) {
#ifdef linux
ssystem("route delete -net %s netmask %s dev %s",
inet_ntoa(ipa), "255.255.255.255", tundev);
#else
ssystem("route delete -net %s -netmask %s -interface %s",
inet_ntoa(ipa), "255.255.255.255", tundev);
#endif
}
memcpy(&ipa, &uip.inbuf[4], sizeof(ipa));
if (ipa.s_addr != 0) {
#ifdef linux
ssystem("route add -net %s netmask %s dev %s",
inet_ntoa(ipa), "255.255.255.255", tundev);
#else
ssystem("route add -net %s -netmask %s -interface %s",
inet_ntoa(ipa), "255.255.255.255", tundev);
#endif
}
break;
} else if (ecode < 0) {
/*
* If sensible ASCII string, print it as debug info!
*/
if (uip.inbuf[0] == DEBUG_LINE_MARKER) {
fwrite(uip.inbuf + 1, inbufptr - 1, 1, stderr);
} else if (is_sensible_string(uip.inbuf, inbufptr)) {
fwrite(uip.inbuf, inbufptr, 1, stderr);
} else {
fprintf(stderr,
"serial_to_tun: drop packet len=%d ecode=%d\n",
inbufptr, ecode);
}
inbufptr = 0;
break;
}
PROGRESS("s");
if (dhsock != -1) {
struct ip *ip = (void *) uip.inbuf;
if (ip->ip_p == 17 && ip->ip_dst == 0xffffffff /* UDP and broadcast */
&& ip->uh_sport == ntohs(BOOTPC) && ip->uh_dport == ntohs(
BOOTPS)) {
relay_dhcp_to_server(ip, inbufptr);
inbufptr = 0;
}
}
if (write(outfd, uip.inbuf, inbufptr) != inbufptr) {
err(1, "serial_to_tun: write");
}
inbufptr = 0;
}
break;
case SLIP_ESC:
ret = recv(sockfd, &c, 1, 0);
//~ if(fread(&c, 1, 1, inslip) != 1) {
if (ret != 1) {
old_c = SLIP_ESC;
//~ clearerr(inslip);
/* Put ESC back and give up! */
//~ ungetc(SLIP_ESC, inslip);
return;
}
switch (c) {
case SLIP_ESC_END:
c = SLIP_END;
break;
case SLIP_ESC_ESC:
c = SLIP_ESC;
break;
}
/* FALLTHROUGH */
default:
uip.inbuf[inbufptr++] = c;
break;
}
goto read_more;
}
int solve(int **puz, int *x, int *y, int display){
/*solves the given sudoku stored in puz, returns 1 if solve successful, returns WRONG_IP if i/p was invalid*/
int *p, s = 0, count = 0, r, q;
srand(time(NULL));
int i, j, val;
istack w;
char c, chk;
pstack POS;
init(&POS);
chk = check_ip(puz);
if(chk == WRONG_IP){
return WRONG_IP;
}
if(x == NULL){
i = j = 0;
}
else{
i = *x;
j = *y;
}
while(i != ROW){
empty_cell(puz, &i, &j);
if(!f.found){
if(display){
display_puz(puz);
refresh();
}
return 1;
}
p = scan(puz, i, j);
if(p == NULL){
return WRONG_IP;
}
w = pos_val(p);
check:
if(i_empty(&w)){
/*no possible values*/
if(!empty(&POS)){
w = pop(&POS);
puz[i][j] = EMPTY;
if(display){
display_puz(puz);
refresh();
}
count--;
i = cell[count].x;
j = cell[count].y;
goto check;
}
}
else if(!i_empty(&w)){
val = i_pop(&w);
push(&POS, w);
cell[count].x = i;
cell[count].y = j;
count++;
}
puz[i][j] = val;
if(display){
display_puz(puz);
refresh();
}
traverse_line(&i, &j);
}
f.flag = 0;
return 1;
}
struct BONDS_GROUPS *
BONDS_GROUPS_make (struct BONDS *b, int np)
{
// sort bonds by ia[]
BONDS_sort_by_ia (b);
/*
// check BONDS after sorting
int i;
fprintf (stdout, "# b->n = %d =? %d\n", b->n, np);
for (i = 0; i < b->n; i ++)
{
fprintf (stdout, "# b->(ia,ib)[%d] = %d, %d\n",
i, b->ia[i], b->ib[i]);
}
*/
// make nb[np] : number of bonds for each particle
int *nb = (int *)calloc (np, sizeof (int));
CHECK_MALLOC (nb, "BONDS_make_groups");
int i;
for (i = 0; i < b->n; i ++)
{
if (b->ia[i] < 0 || b->ia[i] >= np)
{
fprintf (stderr, "# BONDS_make_groups()"
" : ia=%d is out of range for np=%d\n",
b->ia[i], np);
exit (1);
}
if (b->ib[i] < 0 || b->ib[i] >= np)
{
fprintf (stderr, "# BONDS_make_groups()"
" : ib=%d is out of range for np=%d\n",
b->ib[i], np);
exit (1);
}
nb[b->ia[i]] ++;
nb[b->ib[i]] ++;
}
/*
// check
for (i = 0; i < np; i ++)
{
fprintf (stdout, "# nb[%d] = %d\n", i, nb[i]);
}
*/
// make bond[np][nb] : bond list for each particle
int **bond = (int **)malloc (np * sizeof (int *));
CHECK_MALLOC (bond, "BONDS_make_groups");
for (i = 0; i < np; i ++)
{
bond[i] = (int *)malloc (nb[i] * sizeof (int));
CHECK_MALLOC (bond[i], "BONDS_make_groups");
int j;
for (j = 0; j < nb[i]; j ++)
{
bond[i][j] = -1;
}
}
for (i = 0; i < b->n; i ++)
{
int ia = b->ia[i];
int j;
for (j = 0; j < nb[ia]; j ++)
{
if (bond[ia][j] == -1)
{
bond[ia][j] = i;
//fprintf (stdout, "# set (ia) bond[%d][%d] = %d\n", ia, j, i);
break;
}
}
if (bond[ia][j] == -1)
{
fprintf (stderr, "# BONDS_make_groups()"
" : something is wrong on bond[ia]...\n");
exit (1);
}
int ib = b->ib[i];
for (j = 0; j < nb[ib]; j ++)
{
if (bond[ib][j] == -1)
{
bond[ib][j] = i;
//fprintf (stdout, "# set (ib) bond[%d][%d] = %d\n", ib, j, i);
break;
}
}
if (bond[ib][j] == -1)
{
fprintf (stderr, "# BONDS_make_groups()"
" : something is wrong on bond[ib]...\n");
exit (1);
}
}
// check
for (i = 0; i < np; i ++)
{
//fprintf (stdout, "# bond[%d] :", i);
int j;
for (j = 0; j < nb[i]; j ++)
{
//fprintf (stdout, " %d", bond[i][j]);
if (bond[i][j] == -1)
{
fprintf (stderr, "# BONDS_make_groups()"
" : bond[%d][%d] is not assigned.\n",
i, j);
exit (1);
}
}
//fprintf (stdout, "\n");
}
struct loop_bonds *lb = loop_bonds_init ();
int *gid = (int *)malloc (np * sizeof (int));
CHECK_MALLOC (gid, "BONDS_make_groups");
for (i = 0; i < np; i ++)
{
gid[i] = -1;
}
int ig = 1;
for (i = 0; i < np; i ++)
{
if (gid[i] != -1) continue;
if (nb[i] == 0)
{
// single particle
gid[i] = 0;
continue;
}
gid[i] = ig;
BONDS_GROUPS_gid_check (b,
np, gid,
nb, bond,
i, ig,
lb);
ig ++;
}
// check
for (i = 0; i < np; i ++)
{
//fprintf (stdout, "# gid[%d] = %d\n", i, gid[i]);
if (gid[i] == -1)
{
fprintf (stderr, "# undefined particle %d\n", i);
}
}
/*
// check
fprintf (stdout, "# lb->n = %d\n", lb->n);
for (i = 0; i < lb->n; i ++)
{
fprintf (stdout, "# lb->b[%d] = %d\n", i, lb->b[i]);
}
*/
// make BONDS_GROUPS
struct BONDS_GROUPS *gs = BONDS_GROUPS_init ();
for (i = 0; i < np; i ++)
{
if (gid[i] == -1)
{
continue;
}
else if (gid[i] == 0)
{
// single particle
BONDS_GROUPS_add (gs, 1, &i, NULL);
}
else
{
int nn;
int *ip = BONDS_GROUPS_gid_pickup (np, gid, gid[i], &nn);
/*
fprintf (stdout, "# np = %d\n", nn);
int ii;
for (ii = 0; ii < nn; ii ++)
{
fprintf (stdout, "# ip[%d] = %d\n", ii, ip[ii]);
}
exit (1);
*/
// make bonds[]
int *bonds = (int *)malloc (sizeof (int) * (nn - 1));
CHECK_MALLOC (bonds, "BONDS_make_groups");
int k = 0;
int j;
for (j = 0; j < b->n; j ++)
{
if (check_ip (lb->n, lb->b, j) == 0 &&
(check_ip (nn, ip, b->ia[j]) == 1 ||
check_ip (nn, ip, b->ib[j]) == 1))
{
if (k == (nn - 1))
{
fprintf (stderr, "too many bonds\n");
exit (1);
}
/*
fprintf (stdout, "# bond %d is the %d-th member\n",
j, k);
*/
bonds[k] = j;
k ++;
}
}
if (k != (nn - 1))
{
fprintf (stderr, "too few bonds, isn't it?"
" %d for %d particles\n", k, nn);
exit (1);
}
BONDS_GROUPS_add (gs, nn, ip, bonds);
free (ip);
free (bonds);
}
}
// house keeping
loop_bonds_free (lb);
free (gid);
for (i = 0; i < np; i ++)
{
free (bond[i]);
}
free (bond);
free (nb);
return (gs);
}
int main(int argc, const char *const *argv) {
bool is_server = false;
bool is_client = false;
std::string ip_str;
int port;
// Parse command options
po::options_description options_desc("Allowed Options");
options_desc.add_options()
("help", "produce help message")
("listen_ip", po::value<std::string>(), "if starts like a server,need a listen ip and port")
("listen_port", po::value<int>(), "if starts like a server,need a listen port and ip")
("conn_ip", po::value<std::string>(), "connect server ip")
("conn_port", po::value<int>(), "connect server port");
po::variables_map vm;
po::store(po::parse_command_line(argc, argv, options_desc), vm);
po::notify(vm);
if (argc <= 1 || vm.count("help")) {
usage();
std::cout << options_desc << std::endl;
return OK;
}
if (vm.count("listen_ip")) {
ip_str = vm["listen_ip"].as<std::string>();
if (!check_ip(ip_str)) {
std::cout << "IP ERROR" << std::endl;
return -1;
}
is_server = true;
}
if (vm.count("listen_port")) {
port = vm["listen_port"].as<int>();
if (!check_port(port)) {
std::cout << "PORT ERROR" << std::endl;
return -1;
}
if (vm.count("conn_ip")) {
is_client = true;
}
if (!is_server) {
std::cout << "HAS NO LISTEN IP!" << std::endl;
}
}
// starts a server
boost::shared_ptr<CTcpServer> server_ptr = NULL;
boost::shared_ptr<CUdpServer> udp_server_ptr = NULL;
if (is_server) {
boost::asio::ip::address ip_addr = boost::asio::ip::make_address(ip_str);
server_ptr = boost::make_shared<CTcpServer>(ip_addr, static_cast<unsigned short>(port));
server_ptr->run();
udp_server_ptr = boost::make_shared<CUdpServer>(ip_addr, static_cast<unsigned short>(port));
udp_server_ptr->run();
}
// starts a client
boost::shared_ptr<CTcpClient> client_ptr = NULL;
if (is_client) {
std::string client_ip_str(vm["conn_ip"].as<std::string>());
client_ptr = boost::make_shared<CTcpClient>(client_ip_str, vm["conn_port"].as<int>());
client_ptr->async_connect();
}
common_io_context.run();
return OK;
}
void testcase(int index , int size)
{
//printf("inside testcase");
int checkip=0 , checkdel =0 ,checkd ;
strcpy(testname,input_arra[index]);
checkip=check_ip(size);
checkd=check_d(size);
checkdel=check_delta(size);
if(checkdel != -1)
{
//strcpy(ip," ");
delta=0;
delta=atof(input_arra[checkdel]);
//printf("delta is %f \n",delta);
}
else
{
delta=0.10;
//printf("delta is %f we\n",delta);
}
if(checkd != -1)
{
//strcpy(ip," ");
d_value=0;
d_value=atof(input_arra[checkd]);
//printf("delta is %f \n",delta);
}
else
{
d_value=2;
//printf("delta is %f we\n",delta);
}
if(checkip != 0)
{
strcpy(ip," ");
strcpy(ip,input_arra[checkip]);
}
//printf("testcase name %s is checking on ip = %s and ",testname, ip);
int checks=-1;
checks=check_s(index,size);
if(checks != -1)
{
teststream=atoi(input_arra[checks]);
//printf("stream number is %d \n",teststream);
checks=teststream;
if(checks>node_count)
{
printf(" \t stream number entered is out of range ! \n ");
return;
}
}
if( !strcmp(testname,"FR") || !strcmp(testname,"fr"))
{
tc_fr(checks , checkip );
}
else if( !strcmp(testname,"RT") || !strcmp(testname,"rt"))
{
tc_rt(checks , checkip);
}
else
{
printf("wrong test case name \n");
}
}
/* send a DHCP OFFER to a DHCP DISCOVER */
int sendOffer(struct dhcpMessage *oldpacket)
{
struct dhcpMessage packet;
struct dhcpOfferedAddr *lease = NULL;
u_int32_t req_align, lease_time_align = server_config.lease;
unsigned char *req, *lease_time;
struct option_set *curr;
struct in_addr addr;
unsigned char mac[6];
u_int32_t reserved_ip;
memcpy(mac, oldpacket->chaddr, 6);
init_packet(&packet, oldpacket, DHCPOFFER);
/* ADDME: if static, short circuit */
/* the client is in our lease/offered table */
if ((lease = find_lease_by_chaddr(oldpacket->chaddr)) &&
/* Make sure the IP is not already used on network */
!check_ip(lease->yiaddr)) {
if (!lease_expired(lease))
lease_time_align = lease->expires - time(0);
packet.yiaddr = lease->yiaddr;
/* Find a reserved ip for this MAC */
} else if ( (reserved_ip = find_reserved_ip(mac)) != 0) {
packet.yiaddr = htonl(reserved_ip);
/* Or the client has a requested ip */
} else if ((req = get_option(oldpacket, DHCP_REQUESTED_IP)) &&
/* Don't look here (ugly hackish thing to do) */
memcpy(&req_align, req, 4) &&
/* check if the requested ip has been reserved */
check_reserved_ip(req_align, mac) &&
/* and the ip is in the lease range */
ntohl(req_align) >= ntohl(server_config.start) &&
ntohl(req_align) <= ntohl(server_config.end) &&
/* Check that this request ip is not on network */
//!check_ip(ntohl(req_align)) &&
/* the input parameter of check_ip() should be network order */
!check_ip(req_align) && /* modified by Max Ding, 07/07/2011 @TD #42 of WNR3500Lv2 */
/* and its not already taken/offered */ /* ADDME: check that its not a static lease */
((!(lease = find_lease_by_yiaddr(req_align)) ||
/* or its taken, but expired */ /* ADDME: or maybe in here */
lease_expired(lease)))) {
packet.yiaddr = req_align;
/* otherwise, find a free IP */ /*ADDME: is it a static lease? */
} else {
packet.yiaddr = find_address2(0, mac);
/* try for an expired lease */
if (!packet.yiaddr) packet.yiaddr = find_address2(1, mac);
}
if(!packet.yiaddr) {
LOG(LOG_WARNING, "no IP addresses to give -- OFFER abandoned");
return -1;
}
if (!add_lease(packet.chaddr, packet.yiaddr, server_config.offer_time)) {
LOG(LOG_WARNING, "lease pool is full -- OFFER abandoned");
return -1;
}
if ((lease_time = get_option(oldpacket, DHCP_LEASE_TIME))) {
memcpy(&lease_time_align, lease_time, 4);
lease_time_align = ntohl(lease_time_align);
if (lease_time_align > server_config.lease)
lease_time_align = server_config.lease;
}
/* Make sure we aren't just using the lease time from the previous offer */
if (lease_time_align < server_config.min_lease)
lease_time_align = server_config.lease;
/* For guest network clients, set lease time to 30 minutes */
if (is_guest_network(mac)) {
lease_time_align = GUEST_LEASE_TIME;
DEBUG(LOG_INFO, "send OFFER to guest network client with lease time %d sec", GUEST_LEASE_TIME);
}
/* ADDME: end of short circuit */
add_simple_option(packet.options, DHCP_LEASE_TIME, htonl(lease_time_align));
curr = server_config.options;
while (curr) {
if (curr->data[OPT_CODE] != DHCP_LEASE_TIME)
add_option_string(packet.options, curr->data);
curr = curr->next;
}
add_bootp_options(&packet);
addr.s_addr = packet.yiaddr;
LOG(LOG_INFO, "sending OFFER of %s", inet_ntoa(addr));
return send_packet(&packet, 0);
}
// Check the integrity of tablefile
bool tablecheck(FILE *table) {
// Check IP vals
if(!check_ip(table)) {
// IP vals are invalid
fprintf(stderr, "ERROR: tablecheck failed for IP (Initial Permutation) values.\n");
return false;
}
// Check E vals
if(!check_e(table)) {
// E vals are invalid
fprintf(stderr, "ERROR: tablecheck failed for E (Expansion) values.\n");
return false;
}
// Check P vals
if(!check_p(table)) {
// P vals are invalid
fprintf(stderr, "ERROR: tablecheck failed for P (Permutation) values.\n");
return false;
}
// Check S# vals
char header[3];
for(int i=1; i<=8; i++) {
sprintf(header, "S%d=", i);
if(!check_s(table, header)) {
// S# vals are invalid
fprintf(stderr, "ERROR: tablecheck failed for S%d (Substitution) values.\n", i);
return false;
}
}
// Check V vals
if(!check_v(table)) {
// V vals are invalid
fprintf(stderr, "ERROR: tablecheck failed for V (Circular Rotation) values.\n");
return false;
}
// Check PC1 vals
if(!check_pc1(table)) {
// PC1 vals are invalid
fprintf(stderr, "ERROR: tablecheck failed for PC1 (Permutated Choice 1) values.\n");
return false;
}
// Check PC2 vals
if(!check_pc2(table)) {
// PC2 vals are invalid
fprintf(stderr, "ERROR: tablecheck failed for PC2 (Permutated Choice 2) values.\n");
return false;
}
return true;
// PSEUDO-CODE
// - Use read_line_vals method to search through file until finds a line starting with header
// - Read each item in the line into an array of ints, using comma delimiters to separate
// - Run whatever test is needed on the array to ensure that all the values are valid
// - Usually something like counting the instances of each number to ensure correct permutation
// - Repeat for all headers
}
/* mainloop */
int mymain(int port, char *serialport, int baud, char *validip)
{
/* check if port, serialport and baudrate are set, otherwise use defaults */
if (port == -1) {
msg_Info("No Port set - using 1337");
port = 1337;
}
if (serialport == NULL) {
msg_Info("No Serialport set - using /dev/ttyS0");
serialport = "/dev/ttyS0";
}
if (baud == -1) {
msg_Info("No Baudrate set - using 9600");
baud = 9600;
}
int sock;
struct sockaddr_in server;
struct sockaddr_in client;
unsigned char buffer[BUFFSIZE];
unsigned int clientlen, serverlen;
int received = 0;
/* create the UDP socket */
if ((sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0) {
die("Failed to create socket\n");
}
/* construct the server sockaddr_in structure */
memset(&server, 0, sizeof(server)); /* Clear struct */
server.sin_family = AF_INET; /* Internet/IP */
server.sin_addr.s_addr = htonl(INADDR_ANY); /* Any IP address */
server.sin_port = htons(port); /* server port */
/* bind the socket */
serverlen = sizeof(server);
if (bind(sock, (struct sockaddr *) &server, serverlen) < 0) {
die("Failed to bind server socket\n");
}
/* signal handler */
signal(SIGTERM,sigfunc);
signal(SIGINT,sigfunc);
/* open serial port */
global_serialport = open_port(serialport, baud);
/* wait for UDP-packets */
while (42) {
/* Receive a message from the client */
clientlen = sizeof(client);
if ((received = recvfrom(sock, buffer, BUFFSIZE, 0,
(struct sockaddr *) &client,
&clientlen)) < 0) {
die("Failed to receive message\n");
}
if(validip != NULL && client.sin_addr.s_addr != check_ip(validip)) {
msg_Info("Wrong client tried to connect to server: %s", inet_ntoa(client.sin_addr));
} else {
msg_Info("Client connected: %s", inet_ntoa(client.sin_addr));
if (checkbuffer(buffer) == 0) {
msg_Dbg("buffer0-5: '%s'", buffer);
/* RS-232 Code start */
int n = write(global_serialport, buffer, BUFFSIZE);
if (n < 0) {
msg_Err("write() failed!");
} else {
msg_Dbg("Value(s) written to serial port");
}
/* RS-232 Code end */
}
}
}
/* close serial port */
close(global_serialport);
return 0;
}
int client_handle_ss5(client_t *client,list_t *list,char *err_code)
{
//0 成功
//> 0 错误码长度
//< 0 出现错误但是不需要返回给客户端
int ret = 0;
char retcode[32] = {0};
uint8_t host[256] = {0};
if(client->status == CLIENT_STATUS_DONE)
return 0;
socks5_method_req_t *req;
struct ss_requests_frame *frame;
char *buf_ptr;
int buf_len;
buf_ptr = client->tcp_data.buf;
buf_len = client->tcp_data.len;
if(buf_len < 2)
{
return -1; // tcp data
}
switch(client->status)
{
case CLIENT_STATUS_DONE:
return 0;
case CLIENT_STATUS_NEW:
//检查版本号，认证方法
req = (socks5_method_req_t* )buf_ptr;
if(req->ver != SOCKS5_VERSION)
{
//err on version
//ret = 2;
//retcode[0] = SOCKS5_VERSION;
//retcode[1] = 0XFF;
ret = -1;
break;
}
if((req->nmethods == 0x01)&&(req->methods[0]==SOCKS5_METHOD_USER_PSW ))
{
//用户名密码认证子协议
client->status = CLIENT_STATUS_USER;
}
else
{
// fixme:
client->status = CLIENT_STATUS_DONE;
}
break;
case CLIENT_STATUS_USER:
//密码认证子协议
if(0)
{
;
}
client->status = CLIENT_STATUS_METHOD;
break;
case CLIENT_STATUS_METHOD:
frame = (struct ss_requests_frame *)buf_ptr;
if(frame->ver != SOCKS5_VERSION)
{
//error version
ret = -1;
break;
}
if(frame->cmd == CMD_CONNECT)
{
if(frame->rsv != SOCKS5_REV)
{
//error rev;
ret = -1;
break;
}
if(frame->atyp == ATYPE_IPV4)
{
inet_ntop(AF_INET,frame->dst_addr,host,INET_ADDRSTRLEN);
if((ip_verify == 0) || check_ip(list,host)==0)/*ip allowd*/
{
if(g_debug)
printf("[Allow]Client Try to Connect [%s] allowd\n",host);
//printf("IP[%s] is allowd\n",host);
}else
{
if(g_debug)
printf("[Refuse]Client Try to Connect [%s] refuse\n",host);
//printf("IP[%s] is deny\n",host);
retcode[0] = SOCKS5_VERSION;
retcode[1] = REP_CONNECT_NOT_ALLOWED;
retcode[2] = SOCKS5_REV;
retcode[3] = ATYPE_IPV4;
ret = 4;
break;
}
}else if(frame->atyp == ATYPE_DOMAINNAME)
{
uint8_t wlen = frame->dst_addr[0];
memcpy(host,frame->dst_addr+1,wlen);
host[wlen] ='\0';
if((ip_verify == 0) || check_ip(list,host)==0)/*ip allowd*/
{
if(g_debug)
printf("[Allow]Client Try to Connect [%s] allowd\n",host);
}else
{
if(g_debug)
printf("[Refuse]Client Try to Connect [%s] refuse\n",host);
retcode[0] = SOCKS5_VERSION;
retcode[1] = REP_CONNECT_NOT_ALLOWED;
retcode[2] = SOCKS5_REV;
retcode[3] = ATYPE_DOMAINNAME;
ret = 4;
break;
}
}else if(frame->atyp == ATYPE_IPV6)
{
// fixme:
client->status = CLIENT_STATUS_DONE;
}else
{
ret = -1;
break;
}
} else if (frame->cmd == CMD_BIND)
{
;
} else if (frame->cmd == CMD_UDP)
{
;
}
else
{
ret = -1;
break;
}
// fixme:
client->status = CLIENT_STATUS_DONE;
break;
default:
break;
}
if(ret > 0)
{
if(retcode != NULL)
memcpy(err_code,retcode,ret);
}
return ret;
}
/*
* Check whether a rule matches the provided info.
*/
static bool
rule_matches(rule_t rule, const char * dbname, const char * user, SockAddr ip, char * hostname) {
/* only one of the CHECK_IP / CHECK_HOST flags can be set */
Assert(!((rule.fields & CHECK_IP) && (rule.fields & CHECK_HOST)));
/* dbname does not match */
if ((rule.fields & CHECK_DBNAME) && (strcmp(rule.database, dbname) != 0))
return false;
/* username does not match */
if ((rule.fields & CHECK_USER) && (strcmp(rule.user, user) != 0))
return false;
/* check the IP address (mask etc.) */
if (rule.fields & CHECK_IP)
if (! check_ip(&ip, (struct sockaddr *)&rule.ip, (struct sockaddr *)&rule.mask))
return false;
if ((rule.fields & CHECK_HOST) && (strcmp(rule.hostname, hostname) != 0))
{
int ret;
bool found = false;
struct addrinfo *gai_result, *gai;
/* was the reverse lookup successfull? */
if (hostname && (! hostname_match(rule.hostname, hostname)))
return false;
ret = getaddrinfo(rule.hostname, NULL, NULL, &gai_result);
if (ret != 0)
ereport(WARNING,
(errmsg("could not translate host name \"%s\" to address: %s",
rule.hostname, gai_strerror(ret))));
for (gai = gai_result; gai; gai = gai->ai_next)
{
if (gai->ai_addr->sa_family == ip.addr.ss_family)
{
if (gai->ai_addr->sa_family == AF_INET)
{
if (ipv4eq((struct sockaddr_in *) gai->ai_addr,
(struct sockaddr_in *) & ip.addr))
{
found = true;
break;
}
}
#ifdef HAVE_IPV6
else if (gai->ai_addr->sa_family == AF_INET6)
{
if (ipv6eq((struct sockaddr_in6 *) gai->ai_addr,
(struct sockaddr_in6 *) & ip.addr))
{
found = true;
break;
}
}
#endif
}
}
if (gai_result)
freeaddrinfo(gai_result);
if (! found) {
elog(WARNING, "pg_hba.conf host name \"%s\" rejected because address "
"resolution did not return a match with IP address of client",
rule.hostname);
return false;
}
}
return true;
}
/* send a DHCP OFFER to a DHCP DISCOVER */
int sendOffer(struct dhcpMessage *oldpacket, struct dhcpOfferedAddr *lease)
{
struct dhcpMessage packet;
u_int32_t req_align, lease_time_align = server_config.lease;
unsigned char *req, *lease_time;
struct option_set *curr;
struct in_addr addr;
unsigned long offer_time = server_config.offer_time;
init_packet(&packet, oldpacket, DHCPOFFER);
/* ADDME: if static, short circuit */
/* the client is in our lease/offered table */
if (lease) {
#ifdef MY_DEBUG
LOG(LOG_DEBUG,"(1)the client is in our lease/offered table");
#endif
if(lease->expires == EXPIRES_NEVER) {
/* static lease */
packet.yiaddr = lease->yiaddr;
offer_time = EXPIRES_NEVER; /* offer infinite time */
} else if(!check_ip(lease->yiaddr)){ // Confirm the ip isn't used by someone, by honor
if (!lease_expired(lease))
lease_time_align = lease->expires - get_time(0);
else
goto find_ip;
packet.yiaddr = lease->yiaddr;
}
else
goto find_ip;
/* Or the client has a requested ip */
} else if ((req = get_option(oldpacket, DHCP_REQUESTED_IP)) &&
/* Don't look here (ugly hackish thing to do) */
memcpy(&req_align, req, 4) &&
/* and the ip is in the lease range */
ntohl(req_align) >= ntohl(server_config.start) &&
ntohl(req_align) <= ntohl(server_config.end) &&
/* and its not already taken/offered */ /* ADDME: check that its not a static lease */
((!(lease = find_lease_by_yiaddr(req_align)) ||
/* or its taken, but expired */ /* ADDME: or maybe in here */
lease_expired(lease)))) {
#ifdef MY_DEBUG
LOG(LOG_DEBUG,"(2)the client has a requested ip");
#endif
if(req_align == server_config.server) // The request ip cann't be router ip, by honor
goto find_ip;
else if(!check_ip(req_align)) // Confirm the ip isn't used by someone, by honor
packet.yiaddr = req_align; /* FIXME: oh my, is there a host using this IP? */
else
goto find_ip;
/* otherwise, find a free IP */ /*ADDME: is it a static lease? */
} else {
find_ip: // by honor
#ifdef MY_DEBUG
LOG(LOG_DEBUG,"(3)find a free IP");
#endif
packet.yiaddr = find_address(0);
/* try for an expired lease */
if (!packet.yiaddr) packet.yiaddr = find_address(1);
}
if(!packet.yiaddr) {
LOG(LOG_WARNING, "no IP addresses to give -- OFFER abandoned");
return -1;
}
if (!add_lease(packet.chaddr, packet.yiaddr, offer_time)) {
LOG(LOG_WARNING, "lease pool is full -- OFFER abandoned");
return -1;
}
if ((lease_time = get_option(oldpacket, DHCP_LEASE_TIME))) {
memcpy(&lease_time_align, lease_time, 4);
lease_time_align = ntohl(lease_time_align);
if (lease_time_align > server_config.lease)
lease_time_align = server_config.lease;
}
/* Make sure we aren't just using the lease time from the previous offer */
if (lease_time_align < server_config.min_lease)
lease_time_align = server_config.lease;
/* ADDME: end of short circuit */
add_simple_option(packet.options, DHCP_LEASE_TIME, htonl(lease_time_align));
curr = server_config.options;
while (curr) {
if (curr->data[OPT_CODE] != DHCP_LEASE_TIME)
add_option_string(packet.options, curr->data);
curr = curr->next;
}
add_bootp_options(&packet);
addr.s_addr = packet.yiaddr;
LOG(LOG_INFO, "broadcasting OFFER of %s to %02x:%02x:%02x:%02x:%02x:%02x", inet_ntoa(addr),
packet.chaddr[0], packet.chaddr[1], packet.chaddr[2],
packet.chaddr[3], packet.chaddr[4], packet.chaddr[5]);
return send_packet(&packet, 1); // Send broadcast rather than unicast, by honor
}
