mirror of
https://github.com/yarrick/iodine.git
synced 2024-12-23 05:43:32 +02:00
#3 Renamed functions
This commit is contained in:
parent
db62c7f82c
commit
cb66fd68a2
1 changed files with 40 additions and 40 deletions
80
src/iodine.c
80
src/iodine.c
|
@ -42,6 +42,7 @@
|
|||
#include "version.h"
|
||||
|
||||
static void send_ping(int fd);
|
||||
static void send_chunk(int fd);
|
||||
|
||||
int running = 1;
|
||||
char password[33];
|
||||
|
@ -83,42 +84,14 @@ send_packet(int fd, char cmd, const char *data, const size_t datalen)
|
|||
sendto(fd, packet, len, 0, (struct sockaddr*)&peer, sizeof(peer));
|
||||
}
|
||||
|
||||
static void
|
||||
dns_send_chunk(int fd)
|
||||
{
|
||||
char packet[4096];
|
||||
struct query q;
|
||||
char buf[4096];
|
||||
int avail;
|
||||
char *p;
|
||||
int len;
|
||||
|
||||
q.id = rand_seed;
|
||||
q.type = T_NULL;
|
||||
|
||||
p = activepacket;
|
||||
p += packetpos;
|
||||
avail = packetlen - packetpos;
|
||||
|
||||
lastlen = dns_build_hostname(buf + 1, sizeof(buf) - 1, p, avail, topdomain);
|
||||
if (lastlen == avail)
|
||||
buf[0] = '1';
|
||||
else
|
||||
buf[0] = '0';
|
||||
|
||||
len = dns_encode(packet, sizeof(packet), &q, QR_QUERY, buf, strlen(buf));
|
||||
|
||||
sendto(fd, packet, len, 0, (struct sockaddr*)&peer, sizeof(peer));
|
||||
}
|
||||
|
||||
int
|
||||
dns_sending()
|
||||
is_sending()
|
||||
{
|
||||
return (packetlen != 0);
|
||||
}
|
||||
|
||||
int
|
||||
dns_read(int fd, char *buf, int buflen)
|
||||
read_dns(int fd, char *buf, int buflen)
|
||||
{
|
||||
struct sockaddr_in from;
|
||||
char packet[64*1024];
|
||||
|
@ -136,7 +109,7 @@ dns_read(int fd, char *buf, int buflen)
|
|||
|
||||
rv = dns_decode(buf, buflen, &q, QR_ANSWER, packet, r);
|
||||
|
||||
if (dns_sending() && chunkid == q.id) {
|
||||
if (is_sending() && chunkid == q.id) {
|
||||
/* Got ACK on sent packet */
|
||||
packetpos += lastlen;
|
||||
if (packetpos == packetlen) {
|
||||
|
@ -146,7 +119,7 @@ dns_read(int fd, char *buf, int buflen)
|
|||
lastlen = 0;
|
||||
} else {
|
||||
/* More to send */
|
||||
dns_send_chunk(fd);
|
||||
send_chunk(fd);
|
||||
}
|
||||
}
|
||||
return rv;
|
||||
|
@ -173,7 +146,7 @@ tunnel_tun(int tun_fd, int dns_fd)
|
|||
packetpos = 0;
|
||||
packetlen = outlen;
|
||||
|
||||
dns_send_chunk(dns_fd);
|
||||
send_chunk(dns_fd);
|
||||
}
|
||||
|
||||
return read;
|
||||
|
@ -188,14 +161,14 @@ tunnel_dns(int tun_fd, int dns_fd)
|
|||
unsigned long inlen;
|
||||
size_t read;
|
||||
|
||||
read = dns_read(dns_fd, in, sizeof(in));
|
||||
read = read_dns(dns_fd, in, sizeof(in));
|
||||
if (read > 0) {
|
||||
outlen = sizeof(out);
|
||||
inlen = read;
|
||||
uncompress(out, &outlen, in, inlen);
|
||||
|
||||
write_tun(tun_fd, out, outlen);
|
||||
if (!dns_sending())
|
||||
if (!is_sending())
|
||||
send_ping(dns_fd);
|
||||
}
|
||||
|
||||
|
@ -217,7 +190,7 @@ tunnel(int tun_fd, int dns_fd)
|
|||
tv.tv_usec = 0;
|
||||
|
||||
FD_ZERO(&fds);
|
||||
if (!dns_sending())
|
||||
if (!is_sending())
|
||||
FD_SET(tun_fd, &fds);
|
||||
FD_SET(dns_fd, &fds);
|
||||
|
||||
|
@ -246,6 +219,34 @@ tunnel(int tun_fd, int dns_fd)
|
|||
return rv;
|
||||
}
|
||||
|
||||
static void
|
||||
send_chunk(int fd)
|
||||
{
|
||||
char packet[4096];
|
||||
struct query q;
|
||||
char buf[4096];
|
||||
int avail;
|
||||
char *p;
|
||||
int len;
|
||||
|
||||
q.id = rand_seed;
|
||||
q.type = T_NULL;
|
||||
|
||||
p = activepacket;
|
||||
p += packetpos;
|
||||
avail = packetlen - packetpos;
|
||||
|
||||
lastlen = dns_build_hostname(buf + 1, sizeof(buf) - 1, p, avail, topdomain);
|
||||
if (lastlen == avail)
|
||||
buf[0] = '1';
|
||||
else
|
||||
buf[0] = '0';
|
||||
|
||||
len = dns_encode(packet, sizeof(packet), &q, QR_QUERY, buf, strlen(buf));
|
||||
|
||||
sendto(fd, packet, len, 0, (struct sockaddr*)&peer, sizeof(peer));
|
||||
}
|
||||
|
||||
void
|
||||
send_login(int fd, char *login, int len)
|
||||
{
|
||||
|
@ -267,7 +268,7 @@ send_ping(int fd)
|
|||
{
|
||||
char data[2];
|
||||
|
||||
if (dns_sending()) {
|
||||
if (is_sending()) {
|
||||
lastlen = 0;
|
||||
packetpos = 0;
|
||||
packetlen = 0;
|
||||
|
@ -327,7 +328,7 @@ handshake(int dns_fd)
|
|||
r = select(dns_fd + 1, &fds, NULL, NULL, &tv);
|
||||
|
||||
if(r > 0) {
|
||||
read = dns_read(dns_fd, in, sizeof(in));
|
||||
read = read_dns(dns_fd, in, sizeof(in));
|
||||
|
||||
if(read < 0) {
|
||||
perror("read");
|
||||
|
@ -373,7 +374,7 @@ handshake(int dns_fd)
|
|||
r = select(dns_fd + 1, &fds, NULL, NULL, &tv);
|
||||
|
||||
if(r > 0) {
|
||||
read = dns_read(dns_fd, in, sizeof(in));
|
||||
read = read_dns(dns_fd, in, sizeof(in));
|
||||
|
||||
if(read <= 0) {
|
||||
perror("read");
|
||||
|
@ -412,7 +413,6 @@ set_target(const char *host)
|
|||
{
|
||||
struct hostent *h;
|
||||
|
||||
// Init dns target struct
|
||||
if ((h = gethostbyname(host)) <= 0)
|
||||
err(1, "couldn't resovle name %s", host);
|
||||
|
||||
|
|
Loading…
Reference in a new issue