mirror of
https://github.com/yarrick/iodine.git
synced 2024-11-03 06:57:27 +00:00
Prepare for encoding switching
This commit is contained in:
parent
f8e9b0449e
commit
1e895fa713
23
src/iodine.c
23
src/iodine.c
|
@ -47,7 +47,7 @@ static void send_ping(int fd);
|
|||
static void send_chunk(int fd);
|
||||
static int build_hostname(char *buf, size_t buflen,
|
||||
const char *data, const size_t datalen,
|
||||
const char *topdomain);
|
||||
const char *topdomain, struct encoder *encoder);
|
||||
|
||||
int running = 1;
|
||||
char password[33];
|
||||
|
@ -65,7 +65,11 @@ static int packetpos;
|
|||
static int packetlen;
|
||||
static uint16_t chunkid;
|
||||
|
||||
static struct encoder *enc;
|
||||
/* Base32 encoder used for non-data packets */
|
||||
static struct encoder *b32;
|
||||
/* The encoder used for data packets
|
||||
* Defaults to Base32, can be changed after handshake */
|
||||
static struct encoder *dataenc;
|
||||
|
||||
static void
|
||||
sighandler(int sig)
|
||||
|
@ -86,7 +90,7 @@ send_packet(int fd, char cmd, const char *data, const size_t datalen)
|
|||
|
||||
buf[0] = cmd;
|
||||
|
||||
len = build_hostname(buf + 1, sizeof(buf) - 1, data, datalen, topdomain);
|
||||
len = build_hostname(buf + 1, sizeof(buf) - 1, data, datalen, topdomain, b32);
|
||||
len = dns_encode(packet, sizeof(packet), &q, QR_QUERY, buf, strlen(buf));
|
||||
|
||||
sendto(fd, packet, len, 0, (struct sockaddr*)&peer, sizeof(peer));
|
||||
|
@ -95,7 +99,7 @@ send_packet(int fd, char cmd, const char *data, const size_t datalen)
|
|||
static int
|
||||
build_hostname(char *buf, size_t buflen,
|
||||
const char *data, const size_t datalen,
|
||||
const char *topdomain)
|
||||
const char *topdomain, struct encoder *encoder)
|
||||
{
|
||||
int encsize;
|
||||
size_t space;
|
||||
|
@ -103,14 +107,14 @@ build_hostname(char *buf, size_t buflen,
|
|||
|
||||
|
||||
space = MIN(0xFF, buflen) - strlen(topdomain) - 2;
|
||||
if (!enc->places_dots())
|
||||
if (!encoder->places_dots())
|
||||
space -= (space / 62); /* space for dots */
|
||||
|
||||
memset(buf, 0, buflen);
|
||||
|
||||
encsize = enc->encode(buf, &space, data, datalen);
|
||||
encsize = encoder->encode(buf, &space, data, datalen);
|
||||
|
||||
if (!enc->places_dots())
|
||||
if (!encoder->places_dots())
|
||||
inline_dotify(buf, buflen);
|
||||
|
||||
b = buf;
|
||||
|
@ -279,7 +283,7 @@ send_chunk(int fd)
|
|||
p += packetpos;
|
||||
avail = packetlen - packetpos;
|
||||
|
||||
lastlen = build_hostname(buf + 1, sizeof(buf) - 1, p, avail, topdomain);
|
||||
lastlen = build_hostname(buf + 1, sizeof(buf) - 1, p, avail, topdomain, dataenc);
|
||||
|
||||
if (lastlen == avail)
|
||||
code = 1;
|
||||
|
@ -536,7 +540,8 @@ main(int argc, char **argv)
|
|||
device = NULL;
|
||||
chunkid = 0;
|
||||
|
||||
enc = get_base32_encoder();
|
||||
b32 = get_base32_encoder();
|
||||
dataenc = get_base32_encoder();
|
||||
|
||||
while ((choice = getopt(argc, argv, "vfhu:t:d:P:")) != -1) {
|
||||
switch(choice) {
|
||||
|
|
Loading…
Reference in a new issue