DTux/dtux__sshdetect
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This commit is contained in:
Daniel Tartavel 2020-05-08 13:07:36 +02:00
parent 0fa9cf9456
commit 8064268f6c
1 changed files with 16 additions and 12 deletions
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28
main.c
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@ -27,8 +27,7 @@ int isinarray( int pid, int array[], int n )
void getutmp( int pid, char user[], char host_ip[], char host_ipv6[], time_t * time ) void getutmp( int pid, char user[], char host_ip[], char host_ipv6[], time_t * time )
{ {
struct utmp * utmp; struct utmp * utmp;
int ipv6_1; int ipv6;
int ipv6_2;
int ipv4; int ipv4;
int x; int x;
char str[6]; char str[6];
@ -42,16 +41,16 @@ void getutmp( int pid, char user[], char host_ip[], char host_ipv6[], time_t * t
sprintf(host_ip, "%s", utmp->ut_host); //got ip of origin sprintf(host_ip, "%s", utmp->ut_host); //got ip of origin
if((utmp->ut_addr_v6[1] && utmp->ut_addr_v6[2] && utmp->ut_addr_v6[3]) == 0) if((utmp->ut_addr_v6[1] && utmp->ut_addr_v6[2] && utmp->ut_addr_v6[3]) == 0)
{ {
ipv4 = (utmp->ut_addr_v6[0] & 0x00000000ff000000) >> 24; ipv4 = utmp->ut_addr_v6[0] & 0x00000000000000ff;
sprintf( str, "%x.", ipv4);
strcat(host_ip, str);
ipv4 = (utmp->ut_addr_v6[0] & 0x0000000000ff0000) >> 16;
sprintf( str, "%x.", ipv4); sprintf( str, "%x.", ipv4);
strcat(host_ip, str); strcat(host_ip, str);
ipv4 = (utmp->ut_addr_v6[0] & 0x000000000000ff00) >> 8; ipv4 = (utmp->ut_addr_v6[0] & 0x000000000000ff00) >> 8;
sprintf( str, "%x.", ipv4); sprintf( str, "%x.", ipv4);
strcat(host_ip, str); strcat(host_ip, str);
ipv4 = utmp->ut_addr_v6[0] & 0x00000000000000ff; ipv4 = (utmp->ut_addr_v6[0] & 0x0000000000ff0000) >> 16;
sprintf( str, "%x.", ipv4);
strcat(host_ip, str);
ipv4 = (utmp->ut_addr_v6[0] & 0x00000000ff000000) >> 24;
sprintf( str, "%x", ipv4); sprintf( str, "%x", ipv4);
strcat(host_ip, str); strcat(host_ip, str);
@ -59,12 +58,17 @@ void getutmp( int pid, char user[], char host_ip[], char host_ipv6[], time_t * t
{ {
for (x=0;x<4;x++) for (x=0;x<4;x++)
{ {
ipv6 = utmp->ut_addr_v6[x] & 0x000000000000ffff;
ipv6_1 = (utmp->ut_addr_v6[x] & 0xffffffff00000000) >> 32; sprintf( str, "%x:", ipv6);
sprintf( str, "%x:", ipv6_1);
strcat(host_ipv6, str); strcat(host_ipv6, str);
ipv6_2 = utmp->ut_addr_v6[x] & 0x00000000ffffffff; ipv6 = (utmp->ut_addr_v6[x] & 0x00000000ffff0000) >> 16;
sprintf( str, "%x:", ipv6_1); sprintf( str, "%x:", ipv6);
strcat(host_ipv6, str);
ipv6 = (utmp->ut_addr_v6[x] & 0x0000ffff00000000) >> 32;
sprintf( str, "%x:", ipv6);
strcat(host_ipv6, str);
ipv6 = (utmp->ut_addr_v6[x] & 0xffff000000000000) >> 48;
sprintf( str, "%x:", ipv6);
strcat(host_ipv6, str); strcat(host_ipv6, str);
} }
host_ipv6[strlen(host_ipv6)-1] = '\0'; host_ipv6[strlen(host_ipv6)-1] = '\0';