//================================================================================
node* grow_from_file (FILE* base, FILE* logs) {
node* leaf = NULL;
node* tree = NULL;
char ch = 0;
ch = getc(base);
switch (ch) {
case '(':
create_new_leaf(&tree, NULL);
tree->info = (char*) calloc (MAX_STRING_LENG, sizeof(char));
fscanf(base, "'%[^']'", tree->info);
fprintf(logs, "IN FUNCTION = %s\n", tree->info);
leaf = grow_from_file(base, logs);
if (leaf == NULL)
return tree;
fprintf(logs, "NEW LEFT LEAF %s OF %s\n", leaf->info, tree->info);
add_left(tree, leaf);
leaf = grow_from_file(base, logs);
if (leaf == NULL)
return tree;
fprintf(logs, "NEW RIGHT LEAF %s OF %s\n", leaf->info, tree->info);
add_rght(tree, leaf);
ch = getc(base);
if (ch == '(') {
fprintf(logs, "ERROR, THIRD LEAF OF BINARY NODE\n");
return NULL;
}
ungetc(ch, base);
break;
case ')':
fprintf(logs, "DEADLOCK\n");
return NULL;
default:
return NULL;
}
fprintf(logs, "EXIT FROM %s\n", tree->info);
ch = getc(base);
return tree;
}
void blacklist_blacklist_node(const struct sockaddr *sa, unsigned char * md) {
if (!enabled)
return;
struct sockaddr_in * ip4addr;
struct sockaddr_in6 * ip6addr;
struct blacklist_entry * prev;
int i = 0, maxlevel = 0;
u_int16_t port = 0;
unsigned char addr[16];
unsigned char pos = 0;
// printf("BLACKLIST ");
// printf_addr(sa);
switch (sa->sa_family) {
case AF_INET:
maxlevel = 4;
ip4addr = (struct sockaddr_in*) sa;
if (IPv4_blacklist == NULL) {
IPv4_blacklist = create_new_entry(0);
}
prev = IPv4_blacklist;
memcpy(addr, &(ip4addr->sin_addr.s_addr), maxlevel);
port = ip4addr->sin_port;
// printf(" Port %d", ntohs(ip4addr->sin_port));
break;
case AF_INET6:
maxlevel = 16;
ip6addr = (struct sockaddr_in6*) sa;
memcpy(addr, &(ip6addr->sin6_addr.s6_addr), maxlevel);
if (IPv6_blacklist == NULL) {
IPv6_blacklist = create_new_entry(0);
}
prev = IPv6_blacklist;
port = ip6addr->sin6_port;
// printf(" Port %d", ntohs(ip6addr->sin6_port));
break;
default:
return;
}
// printf("\n");
for (i = 1; i <= maxlevel; i++) {
if (i < maxlevel) {
if (prev->children[addr[i - 1]] == NULL) {
prev->children[addr[i - 1]] = create_new_entry(i + 1);
}
} else {
if (prev->children[addr[i - 1]] == NULL) {
switch (sa->sa_family) {
case AF_INET:
number_of_entries_ipv4++;
break;
case AF_INET6:
number_of_entries_ipv6++;
break;
}
}
prev->children[addr[i - 1]] = create_new_leaf(port, md);
}
prev = prev->children[addr[i - 1]];
}
// printf_blacklist();
}