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netsplit.c format fix

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This commit is contained in:
MissValeska 2014-11-06 16:47:04 -08:00
parent f8a151e7fb
commit 37deedce61
1 changed files with 200 additions and 168 deletions
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368
src/netsplit.c
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@ -5,43 +5,52 @@
#include <dirent.h> #include <dirent.h>
#include "getaddrinfodnstest.c" #include "getaddrinfodnstest.c"
int isValidIpv6Address(char *ipAddress) int
isValidIpv6Address (char *ipAddress)
{ {
struct sockaddr_in6 sa; struct sockaddr_in6 sa;
int result = inet_pton(AF_INET6, ipAddress, &(sa.sin6_addr)); int result = inet_pton (AF_INET6, ipAddress, &(sa.sin6_addr));
return result; return result;
} }
int isValidIpv4Address(char *ipAddress) int
isValidIpv4Address (char *ipAddress)
{ {
struct sockaddr_in sa; struct sockaddr_in sa;
int result = inet_pton(AF_INET, ipAddress, &(sa.sin_addr)); int result = inet_pton (AF_INET, ipAddress, &(sa.sin_addr));
if(result == 0) { if (result == 0)
if(isValidIpv6Address(ipAddress) == 1) {
return 11; if (isValidIpv6Address (ipAddress) == 1)
else return 11;
return 0; else
return 0;
} }
return result; return result;
} }
/* Forwards packets to this IP through the inet /* Forwards packets to this IP through the inet
* iptables forwarding rule. */ * iptables forwarding rule. */
void inetipForwarding(char *ipAddress, int family) { void
return; inetipForwarding (char *ipAddress, int family)
{
return;
} }
/* Forwards packets to this IP through the ntk /* Forwards packets to this IP through the ntk
* iptables forwarding rule. */ * iptables forwarding rule. */
void ntkipForwarding(char *ipAddress, int family) { void
return; ntkipForwarding (char *ipAddress, int family)
{
return;
} }
/* Resolves the ntk domain name in ANDNA, /* Resolves the ntk domain name in ANDNA,
* Forwarding the originally desired packets * Forwarding the originally desired packets
* through the ntk iptables forwarding rule. */ * through the ntk iptables forwarding rule. */
void ntkDNSResolution(char *domain) { void
return; ntkDNSResolution (char *domain)
{
return;
} }
/* Resolves the inet domain name via the commented out name servers /* Resolves the inet domain name via the commented out name servers
@ -49,170 +58,193 @@ void ntkDNSResolution(char *domain) {
* through the inet iptables forwarding rule. * through the inet iptables forwarding rule.
* Then, Forwards the originally desired packets * Then, Forwards the originally desired packets
* through the inet iptables forwarding rule. */ * through the inet iptables forwarding rule. */
void inetDNSResolution(char *domain) { void
printf("Inet Domain name %s resolves to:\n", domain); inetDNSResolution (char *domain)
getaddrinfodnsresolution(domain); {
return; printf ("Inet Domain name %s resolves to:\n", domain);
getaddrinfodnsresolution (domain);
return;
} }
void inet_mode(char *domain) { void
inet_mode (char *domain)
printf("inet_mode: %s\n", domain); {
char *ret; printf ("inet_mode: %s\n", domain);
char *ret1;
char new_domain[MAXNAMLEN]; char *ret;
int rt_value; char *ret1;
char new_domain[MAXNAMLEN];
strcpy(new_domain, domain); int rt_value;
ret = strstr(new_domain, ".ntk"); strcpy (new_domain, domain);
if(ret != NULL) { ret = strstr (new_domain, ".ntk");
printf("inet_mode .ntk\n");
goto inet_mode_ntk_rslv; if (ret != NULL)
{
printf ("inet_mode .ntk\n");
goto inet_mode_ntk_rslv;
} }
ret = strstr(new_domain, ".inet"); ret = strstr (new_domain, ".inet");
ret1 = strstr(new_domain, ".inet"); ret1 = strstr (new_domain, ".inet");
if(ret1 != NULL) { if (ret1 != NULL)
new_domain[strlen(new_domain)-6] = '\0'; {
printf("inet_mode abbrevate: %s\n", new_domain); new_domain[strlen (new_domain) - 6] = '\0';
printf ("inet_mode abbrevate: %s\n", new_domain);
} }
if(ret == NULL || ret1 != NULL) { if (ret == NULL || ret1 != NULL)
rt_value = isValidIpv4Address(new_domain); {
if(rt_value == 1) rt_value = isValidIpv4Address (new_domain);
inetipForwarding(new_domain, AF_INET); if (rt_value == 1)
if(rt_value == 11) inetipForwarding (new_domain, AF_INET);
inetipForwarding(new_domain, AF_INET6); if (rt_value == 11)
if(rt_value == 0) inetipForwarding (new_domain, AF_INET6);
inetDNSResolution(new_domain); if (rt_value == 0)
printf("inet_mode normal\n"); inetDNSResolution (new_domain);
printf ("inet_mode normal\n");
} }
ret = strstr(new_domain, ".ntk"); ret = strstr (new_domain, ".ntk");
if(ret != NULL) { if (ret != NULL)
inet_mode_ntk_rslv: {
new_domain[strlen(new_domain)-5] = '\0'; inet_mode_ntk_rslv:
rt_value = isValidIpv4Address(new_domain); new_domain[strlen (new_domain) - 5] = '\0';
if(rt_value == 1) rt_value = isValidIpv4Address (new_domain);
ntkipForwarding(new_domain, AF_INET); if (rt_value == 1)
if(rt_value == 11) ntkipForwarding (new_domain, AF_INET);
ntkipForwarding(new_domain, AF_INET6); if (rt_value == 11)
if(rt_value == 0) ntkipForwarding (new_domain, AF_INET6);
ntkDNSResolution(new_domain); if (rt_value == 0)
printf("inet_mode abnormal\n"); ntkDNSResolution (new_domain);
printf ("inet_mode abnormal\n");
} }
} }
void ntk_mode(char *domain) { void
ntk_mode (char *domain)
printf("ntk_mode: %s\n", domain); {
char *ret; printf ("ntk_mode: %s\n", domain);
char *ret1;
char new_domain[MAXNAMLEN]; char *ret;
int rt_value; char *ret1;
char new_domain[MAXNAMLEN];
strcpy(new_domain, domain); int rt_value;
ret = strstr(new_domain, ".inet"); strcpy (new_domain, domain);
if(ret != NULL) { ret = strstr (new_domain, ".inet");
printf("ntk_mode .inet\n");
goto ntk_mode_inet_rslv; if (ret != NULL)
{
printf ("ntk_mode .inet\n");
goto ntk_mode_inet_rslv;
} }
ret = strstr(new_domain, ".ntk"); ret = strstr (new_domain, ".ntk");
ret1 = strstr(new_domain, ".ntk"); ret1 = strstr (new_domain, ".ntk");
if(ret1 != NULL) { if (ret1 != NULL)
new_domain[strlen(new_domain)-5] = '\0'; {
printf("ntk_mode abbrevate: %s\n", new_domain); new_domain[strlen (new_domain) - 5] = '\0';
printf ("ntk_mode abbrevate: %s\n", new_domain);
} }
if(ret == NULL || ret1 != NULL) { if (ret == NULL || ret1 != NULL)
rt_value = isValidIpv4Address(new_domain); {
if(rt_value == 1) rt_value = isValidIpv4Address (new_domain);
ntkipForwarding(new_domain, AF_INET); if (rt_value == 1)
if(rt_value == 11) ntkipForwarding (new_domain, AF_INET);
ntkipForwarding(new_domain, AF_INET6); if (rt_value == 11)
if(rt_value == 0) ntkipForwarding (new_domain, AF_INET6);
ntkDNSResolution(new_domain); if (rt_value == 0)
printf("ntk_mode normal\n"); ntkDNSResolution (new_domain);
printf ("ntk_mode normal\n");
} }
ret = strstr(new_domain, ".inet"); ret = strstr (new_domain, ".inet");
if(ret != NULL) { if (ret != NULL)
ntk_mode_inet_rslv: {
new_domain[strlen(new_domain)-6] = '\0'; ntk_mode_inet_rslv:
rt_value = isValidIpv4Address(new_domain); new_domain[strlen (new_domain) - 6] = '\0';
if(rt_value == 1) rt_value = isValidIpv4Address (new_domain);
inetipForwarding(new_domain, AF_INET); if (rt_value == 1)
if(rt_value == 11) inetipForwarding (new_domain, AF_INET);
inetipForwarding(new_domain, AF_INET6); if (rt_value == 11)
if(rt_value == 0) inetipForwarding (new_domain, AF_INET6);
inetDNSResolution(new_domain); if (rt_value == 0)
printf("ntk_mode abnormal\n"); inetDNSResolution (new_domain);
printf ("ntk_mode abnormal\n");
} }
} }
void domain_ip_processing(char *domain) { void
char *ret; domain_ip_processing (char *domain)
char new_domain[MAXNAMLEN]; {
int rt_value; char *ret;
int i; char new_domain[MAXNAMLEN];
ret = strstr(domain, ".inet"); int rt_value;
strcpy(new_domain, domain); int i;
if(ret != NULL) { ret = strstr (domain, ".inet");
new_domain[strlen(new_domain)-6] = '\0'; strcpy (new_domain, domain);
rt_value = isValidIpv4Address(new_domain); if (ret != NULL)
if(rt_value == 1) {
inetipForwarding(new_domain, AF_INET); new_domain[strlen (new_domain) - 6] = '\0';
if(rt_value == 11) rt_value = isValidIpv4Address (new_domain);
inetipForwarding(new_domain, AF_INET6); if (rt_value == 1)
if(rt_value == 0) inetipForwarding (new_domain, AF_INET);
inetDNSResolution(new_domain); if (rt_value == 11)
inetipForwarding (new_domain, AF_INET6);
printf("This domain/ip address is an inet domain/ip address. %d\n", rt_value); if (rt_value == 0)
inetDNSResolution (new_domain);
printf ("This domain/ip address is an inet domain/ip address. %d\n",
rt_value);
} }
ret = strstr(domain, ".ntk"); ret = strstr (domain, ".ntk");
if(ret != NULL) { if (ret != NULL)
new_domain[strlen(new_domain)-5] = '\0'; {
rt_value = isValidIpv4Address(new_domain); new_domain[strlen (new_domain) - 5] = '\0';
if(rt_value == 1) rt_value = isValidIpv4Address (new_domain);
ntkipForwarding(new_domain, AF_INET); if (rt_value == 1)
if(rt_value == 11) ntkipForwarding (new_domain, AF_INET);
ntkipForwarding(new_domain, AF_INET6); if (rt_value == 11)
if(rt_value == 0) ntkipForwarding (new_domain, AF_INET6);
ntkDNSResolution(new_domain); if (rt_value == 0)
ntkDNSResolution (new_domain);
printf("This domain/ip address is an ntk domain/ip address. %d\n", rt_value);
printf ("This domain/ip address is an ntk domain/ip address. %d\n",
rt_value);
} }
printf("Domain/IP: %s %s\n", new_domain, domain); printf ("Domain/IP: %s %s\n", new_domain, domain);
} }
int main(void) { int
for (;;) { main (void)
char *request = (char *)malloc(100); {
printf("\n> "); for (;;)
fgets(request, 100, stdin); {
if(strcmp(request, "quit\n") == 0 || strcmp(request, "exit\n") == 0) char *request = (char *) malloc (100);
exit(0); printf ("\n> ");
fflush(stdin); fgets (request, 100, stdin);
inet_mode(request); if (strcmp (request, "quit\n") == 0 || strcmp (request, "exit\n") == 0)
free(request); exit (0);
} fflush (stdin);
inet_mode (request);
return 0; free (request);
} }
return 0;
}