scip/udpxd
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ipv6 works now as well, added fork, added syslog

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This commit is contained in:
git@daemon.de
2015-04-26 13:26:37 +02:00
parent 649db08857
commit aa4e941e53
14 changed files with 280 additions and 84 deletions
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43
udpxd.c
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@@ -26,6 +26,7 @@
/* global client list */
client_t *clients = NULL;
int VERBOSE = 0;
int FORKED = 1;
/* parse ip:port */
int parse_ip(char *src, char *ip, char *pt) {
@@ -90,6 +91,8 @@ int parse_ip(char *src, char *ip, char *pt) {
int main ( int argc, char* argv[] ) {
int opt, err;
char *inip, *inpt, *srcip, *dstip, *dstpt;
char pidfile[MAX_BUFFER_SIZE];
err = 0;
static struct option longopts[] = {
@@ -98,7 +101,9 @@ int main ( int argc, char* argv[] ) {
{ "dest", required_argument, NULL, 'd' },
{ "version", no_argument, NULL, 'v' },
{ "help", no_argument, NULL, 'h' },
{ "verbose", no_argument, NULL, 'V' }
{ "verbose", no_argument, NULL, 'V' },
{ "foreground",no_argument, NULL, 'f' },
{ "pidfile", required_argument, NULL, 'p' },
};
if( argc < 2 ) {
@@ -107,13 +112,17 @@ int main ( int argc, char* argv[] ) {
}
srcip = dstip = inip = dstpt = inpt = NULL;
strncpy(pidfile, "/var/run/udpxd.pid", 19);
while ((opt = getopt_long(argc, argv, "l:b:d:vVh?", longopts, NULL)) != -1) {
while ((opt = getopt_long(argc, argv, "l:b:d:vfVh?", longopts, NULL)) != -1) {
switch (opt) {
case 'v':
fprintf(stderr, "This is %s version %s\n", argv[0], UDPXD_VERSION);
return 1;
break;
case 'f':
FORKED = 0;
break;
case 'h':
case '?':
usage();
@@ -146,6 +155,9 @@ int main ( int argc, char* argv[] ) {
srcip = malloc(INET6_ADDRSTRLEN+1);
strncpy(srcip, optarg, strlen(optarg));
break;
case 'p':
strncpy(pidfile, optarg, strlen(optarg));
break;
default:
usage();
return 1;
@@ -165,12 +177,17 @@ int main ( int argc, char* argv[] ) {
err = 1;
}
if(srcip != NULL) {
if(is_v6(srcip) != is_v6(dstip)) {
fprintf(stderr, "Bind ip and destination ip must be both v4 or v6 and can't be mixed!\n");
err = 1;
}
}
if(! err) {
err = start_listener (inip, inpt, srcip, dstip, dstpt);
err = start_listener (inip, inpt, srcip, dstip, dstpt, pidfile);
}
/* FIXME: add sighandler */
if(srcip != NULL)
free(srcip);
if(dstip != NULL)
@@ -187,14 +204,16 @@ int main ( int argc, char* argv[] ) {
void usage() {
fprintf(stderr,
"Usage: udpxd [-lbdvhV]\n\n"
"Usage: udpxd [-lbdfpvhV]\n\n"
"Options:\n"
"--listen -l <ip:port> listen for incoming requests\n"
"--bind -b <ip> bind ip used for outgoing requests\n"
"--dest -d <ip:port> destination to forward requests to\n"
"--help -h -? print help message\n"
"--version -v print program version\n"
"--verbose -V enable verbose logging\n\n"
"--listen -l <ip:port> listen for incoming requests\n"
"--bind -b <ip> bind ip used for outgoing requests\n"
"--dest -d <ip:port> destination to forward requests to\n"
"--foreground -f don't fork into background\n"
"--pidfile -p <file> pidfile, default: /var/run/udpxd.pid\n"
"--help -h -? print help message\n"
"--version -v print program version\n"
"--verbose -V enable verbose logging\n\n"
"Options -l and -d are mandatory.\n\n"
"This is udpxd version %s.\n", UDPXD_VERSION
);