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Added long option support for iodined

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This commit is contained in:
frekky 2016-01-11 21:01:14 +08:00
parent ea062a0525
commit 2850b6043d
1 changed files with 45 additions and 23 deletions
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62
src/iodined.c
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@ -28,6 +28,7 @@
#include <fcntl.h> #include <fcntl.h>
#include <time.h> #include <time.h>
#include <zlib.h> #include <zlib.h>
#include <getopt.h>
#include "common.h" #include "common.h"
#include "version.h" #include "version.h"
@ -186,31 +187,31 @@ static void
help() { help() {
fprintf(stderr, "iodine IP over DNS tunneling server\n"); fprintf(stderr, "iodine IP over DNS tunneling server\n");
print_usage(); print_usage();
fprintf(stderr, " -v to print version info and exit\n"); fprintf(stderr, " -v, --version print version info and exit\n");
fprintf(stderr, " -h to print this help and exit\n"); fprintf(stderr, " -h, --help print this help and exit\n");
fprintf(stderr, " -4 to listen only on IPv4\n"); fprintf(stderr, " -4 listen only on IPv4\n");
fprintf(stderr, " -6 to listen only on IPv6\n"); fprintf(stderr, " -6 listen only on IPv6\n");
fprintf(stderr, " -c to disable check of client IP/port on each request\n"); fprintf(stderr, " -c, --noipcheck disable check of client IP/port on each request\n");
fprintf(stderr, " -s to skip creating and configuring the tun device, " fprintf(stderr, " -s, --notun skip creating and configuring the tun device, "
"which then has to be created manually\n"); "which then has to be created manually\n");
fprintf(stderr, " -f to keep running in foreground\n"); fprintf(stderr, " -f to keep running in foreground\n");
fprintf(stderr, " -D to increase debug level\n"); fprintf(stderr, " -D increase debug level\n");
fprintf(stderr, " (using -DD in UTF-8 terminal: \"LC_ALL=C luit iodined -DD ...\")\n"); fprintf(stderr, " (using -DD in UTF-8 terminal: \"LC_ALL=C luit iodined -DD ...\")\n");
fprintf(stderr, " -u name to drop privileges and run as user 'name'\n"); fprintf(stderr, " -u, --user drop privileges and run as user\n");
fprintf(stderr, " -t dir to chroot to directory dir\n"); fprintf(stderr, " -t, --chrootdir chroot to directory after init\n");
fprintf(stderr, " -d device to set tunnel device name\n"); fprintf(stderr, " -d specify tunnel device name\n");
fprintf(stderr, " -m mtu to set tunnel device mtu\n"); fprintf(stderr, " -m, --mtu specify tunnel device mtu\n");
fprintf(stderr, " -z context to apply SELinux context after initialization\n"); fprintf(stderr, " -z, --context apply SELinux context after initialization\n");
fprintf(stderr, " -l IPv4 address to listen on for incoming dns traffic " fprintf(stderr, " -l, --listen4 IPv4 address to listen on for incoming dns traffic "
"(default 0.0.0.0)\n"); "(default 0.0.0.0)\n");
fprintf(stderr, " -L IPv6 address to listen on for incoming dns traffic " fprintf(stderr, " -L, --listen6 IPv6 address to listen on for incoming dns traffic "
"(default ::)\n"); "(default ::)\n");
fprintf(stderr, " -p port to listen on for incoming dns traffic (default 53)\n"); fprintf(stderr, " -p port to listen on for incoming dns traffic (default 53)\n");
fprintf(stderr, " -n ip to respond with to NS queries\n"); fprintf(stderr, " -n, --nsip ip to respond with to NS queries\n");
fprintf(stderr, " -b port to forward normal DNS queries to (on localhost)\n"); fprintf(stderr, " -b, --forwardto forward normal DNS queries to a UDP port on localhost\n");
fprintf(stderr, " -P password used for authentication (max 32 chars will be used)\n"); fprintf(stderr, " -P password used for authentication (max 32 chars will be used)\n");
fprintf(stderr, " -F pidfile to write pid to a file\n"); fprintf(stderr, " -F, --pidfile write pid to a file\n");
fprintf(stderr, " -i maximum idle time before shutting down\n"); fprintf(stderr, " -i, --idlequit maximum idle time before shutting down\n");
fprintf(stderr, "tunnel_ip is the IP number of the local tunnel interface.\n"); fprintf(stderr, "tunnel_ip is the IP number of the local tunnel interface.\n");
fprintf(stderr, " /netmask sets the size of the tunnel network.\n"); fprintf(stderr, " /netmask sets the size of the tunnel network.\n");
fprintf(stderr, "topdomain is the FQDN that is delegated to this server.\n"); fprintf(stderr, "topdomain is the FQDN that is delegated to this server.\n");
@ -279,7 +280,6 @@ main(int argc, char **argv)
listen_ip4 = NULL; listen_ip4 = NULL;
listen_ip6 = NULL; listen_ip6 = NULL;
ns_get_externalip = 0; ns_get_externalip = 0;
skipipconfig = 0; skipipconfig = 0;
pidfile = NULL; pidfile = NULL;
@ -302,9 +302,31 @@ main(int argc, char **argv)
// Load default values from preset // Load default values from preset
memcpy(&server, &preset_default, sizeof(struct server_instance)); memcpy(&server, &preset_default, sizeof(struct server_instance));
/* each option has format:
char *name, int has_arg, int *flag, int val */
static struct option iodined_args[] = {
{"version", no_argument, 0, 'v'},
{"noipcheck", no_argument, 0, 'c'},
{"notun", no_argument, 0, 's'},
{"user", required_argument, 0, 'u'},
{"listen4", required_argument, 0, 'l'},
{"listen6", required_argument, 0, 'L'},
{"nsip", required_argument, 0, 'n'},
{"mtu", required_argument, 0, 'm'},
{"idlequit", required_argument, 0, 'i'},
{"forwardto", required_argument, 0, 'b'},
{"help", no_argument, 0, 'h'},
{"context", required_argument, 0, 'z'},
{"chrootdir", required_argument, 0, 't'},
{"pidfile", required_argument, 0, 'F'},
{NULL, 0, 0, 0}
};
static char *iodined_args_short = "46vcsfhDu:t:d:m:l:L:p:n:b:P:z:F:i:";
server.running = 1; server.running = 1;
while ((choice = getopt(argc, argv, "46vcsfhDu:t:d:m:l:L:p:n:b:P:z:F:i:")) != -1) { while ((choice = getopt_long(argc, argv, iodined_args_short, iodined_args, NULL)) != -1) {
switch(choice) { switch(choice) {
case '4': case '4':
server.addrfamily = AF_INET; server.addrfamily = AF_INET;