void do_firedns_getip4(firedns_state *state, char * string) {
int fd;
fd_set s;
int n;
struct timeval tv;
char *m;
struct in_addr addr4;
fprintf(stderr,"taking firedns_getip4(%s): ",string);
fd = firedns_getip4(state, string);
fprintf(stderr,"%d\n",fd);
if (fd == -1)
return;
tv.tv_sec = 5;
tv.tv_usec = 0;
FD_ZERO(&s);
FD_SET(fd,&s);
n = select(fd + 1,&s,NULL,NULL,&tv);
(void) n;
m = firedns_getresult(state, fd);
if (m == NULL)
fprintf(stderr,"getting result: (null)\n");
else {
memcpy(&addr4,m,sizeof(struct in_addr));
char result[256];
firedns_ntoa4(&addr4, result);
fprintf(stderr,"getting result: %s\n", result);
}
}
static inline struct in_addr *firedns_resolveip4_i(const char *const name, char *(*result)(int)) { /* immediate A query */
int fd;
int t,i;
struct in_addr *ret;
fd_set s;
struct timeval tv;
for (t = 0; t < FIREDNS_TRIES; t++) {
fd = firedns_getip4(name);
if (fd == -1)
return NULL;
tv.tv_sec = 5;
tv.tv_usec = 0;
FD_ZERO(&s);
FD_SET(fd,&s);
i = select(fd + 1,&s,NULL,NULL,&tv);
ret = (struct in_addr *) result(fd);
if (ret != NULL || i != 0)
return ret;
}
return NULL;
}
int firedns_dnsbl_lookup_a(const struct in_addr *const ip, const char *const name) { /* build, add and send A query to given DNSBL list; retrieve result with firedns_getresult() */
char hostname[256];
firestring_snprintf(hostname,256,"%u.%u.%u.%u.%s",(unsigned int) ((unsigned char *)&ip->s_addr)[3],(unsigned int) ((unsigned char *)&ip->s_addr)[2],(unsigned int) ((unsigned char *)&ip->s_addr)[1],(unsigned int) ((unsigned char *)&ip->s_addr)[0],name);
return firedns_getip4(hostname);
}
