octopus port to ipv6

This commit is contained in:
Neale Pickett 2011-09-21 16:19:00 -06:00
parent d5976d4a2e
commit 0f709df383
5 changed files with 32 additions and 53 deletions

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@ -5,8 +5,6 @@ octopus-install: octopus-build
$(call COPYTREE, packages/octopus/service, $(OCTOPUS_PKGDIR)/service)
$(call COPYTREE, packages/octopus/tokens, $(OCTOPUS_PKGDIR)/tokens)
cp packages/octopus/src/octopus $(OCTOPUS_PKGDIR)/bin/
octopus-clean:

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@ -1 +1 @@
10.0.0.8/24
fd84:b410:3441:1663::8888/48

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@ -3,4 +3,5 @@
exec 2>&1
IP=$(cat ip.txt)
ip addr add $IP label eth0:octopus dev eth0
ip monitor | grep -q $IP
exec /opt/octopus/bin/octopus ${IP%/*}

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@ -1,16 +1,16 @@
#! /bin/sh
port=8888
host=${1:-10.0.0.8}
host=${1:-[::1]}
blooper=$(tempfile)
trap "rm $blooper" 0
echo foo | socat -t 0.01 STDIO UDP:$host:$port | tail -n +5 > $blooper
echo foo | socat -t 0.01 STDIO UDP6:$host:$port | tail -n +5 > $blooper
for i in $(seq 8); do
result=$(socat -t 0.01 STDIO UDP:$host:$port < $blooper | awk -F': ' '(NF > 1) {print $2; exit;}')
port=$(echo "ibase=8; $result" | bc)
result=$(socat -t 0.01 STDIO UDP6:$host:$port < $blooper | awk -F': ' '(NF > 1) {print $2; exit;}')
port=$(printf "%d" "0$result")
echo "next port: $port ($result)"
done
echo $result

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@ -19,13 +19,8 @@
#define max(a,b) (((a)>(b))?(a):(b))
#endif
char token[80];
size_t tokenlen;
uint8_t const key[] = {0x99, 0x5f, 0xcb, 0xde,
0xf9, 0x6d, 0x02, 0xf3,
0x47, 0x60, 0x0a, 0xe0,
0x0a, 0x25, 0x4d, 0x16};
const char token[] = "octopus:xylep-radar-nanox";
const size_t tokenlen = sizeof(token) - 1;
char const octopus[] =
(" ___\n"
@ -197,17 +192,17 @@ struct bound_port {
} bound_ports[PORTS];
int
bind_port(struct in_addr *addr, int fd, uint16_t port) {
struct sockaddr_in saddr;
bind_port(struct in6_addr *addr, int fd, uint16_t port) {
struct sockaddr_in6 saddr = {0};
saddr.sin_family = AF_INET;
saddr.sin_port = htons(port);
memcpy(&saddr.sin_addr.s_addr, addr, sizeof(struct in_addr));
return bind(fd, (struct sockaddr *)&saddr, sizeof(saddr));
saddr.sin6_family = AF_INET6;
saddr.sin6_port = htons(port);
memcpy(&saddr.sin6_addr, addr, sizeof *addr);
return bind(fd, (struct sockaddr *)&saddr, sizeof saddr);
}
int
rebind(struct in_addr *addr)
rebind(struct in6_addr *addr)
{
static int offset = 0;
int i;
@ -226,7 +221,7 @@ rebind(struct in_addr *addr)
}
/* Bind to a port */
bound_ports[i + offset].fd = socket(PF_INET, SOCK_DGRAM, 0);
bound_ports[i + offset].fd = socket(AF_INET6, SOCK_DGRAM, 0);
do {
port = (random() % 56635) + 10000;
ret = bind_port(addr, bound_ports[i + offset].fd, port);
@ -266,14 +261,14 @@ rebind(struct in_addr *addr)
void
do_io(int which)
{
struct bound_port *bp = &bound_ports[which];
char input[INPUT_MAX];
ssize_t inlen;
struct sockaddr from;
socklen_t fromlen = sizeof(from);
struct bound_port *bp = &bound_ports[which];
char input[INPUT_MAX];
ssize_t inlen;
struct sockaddr_in6 from;
socklen_t fromlen = sizeof(from);
inlen = recvfrom(bp->fd, input, INPUT_MAX, 0,
&from, &fromlen);
(struct sockaddr *)&from, &fromlen);
if (-1 == inlen) {
/* Well don't that just beat all. */
return;
@ -299,10 +294,6 @@ loop()
int i;
int nfds = 0;
fd_set rfds;
struct timeval timeout;
timeout.tv_sec = 1;
timeout.tv_usec = 0;
FD_ZERO(&rfds);
for (i = 0; i < PORTS; i += 1) {
@ -310,7 +301,7 @@ loop()
FD_SET(bound_ports[i].fd, &rfds);
}
while (-1 == select(nfds+1, &rfds, NULL, NULL, &timeout)) {
while (-1 == select(nfds+1, &rfds, NULL, NULL, NULL)) {
if (EINTR == errno) {
continue;
}
@ -329,25 +320,25 @@ loop()
int
main(int argc, char *argv[])
{
int ret;
int i;
time_t last_bind = 0;
time_t last_token = 0;
struct in_addr addr;
int ret;
int i;
time_t last_bind = 0;
time_t last_token = 0;
struct in6_addr addr;
/* The random seed isn't super important here. */
srand(time(NULL));
if (argc > 1) {
if (-1 == inet_aton(argv[1], &addr)) {
if (0 >= inet_pton(AF_INET6, argv[1], &addr)) {
fprintf(stderr, "invalid address: %s\n", argv[1]);
return EX_IOERR;
}
} else {
addr.s_addr = INADDR_ANY;
memcpy(&addr, &in6addr_any, sizeof addr);
}
bound_ports[0].fd = socket(PF_INET, SOCK_DGRAM, 0);
bound_ports[0].fd = socket(AF_INET6, SOCK_DGRAM, 0);
ret = bind_port(&addr, bound_ports[0].fd, 8888);
if (-1 == ret) {
perror("bind port 8888");
@ -361,17 +352,6 @@ main(int argc, char *argv[])
do {
time_t now = time(NULL);
if (last_token + 60 < now) {
last_token = now;
while (NULL == fgets(token, sizeof(token), stdin)) {
if (-1 == fseek(stdin, 0, SEEK_SET)) {
/* Non-seekable stdin: we're done. */
return 0;
}
}
for (tokenlen = 0; token[tokenlen] && (token[tokenlen] != '\n'); tokenlen += 1);
}
if (last_bind + 4 < now) {
last_bind = now;
if (-1 == rebind(&addr)) break;