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https://github.com/yarrick/iodine.git
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Formatting: Indent multi-line prints less
This commit is contained in:
Erik Ekman
parent
4b3d6e2962
commit
cc51ee6f02
2 changed files with 70 additions and 65 deletions
58
src/iodine.c
58
src/iodine.c
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@ -70,38 +70,40 @@ static inline void help(FILE * stream, bool verbose) __attribute__((noreturn));
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static void help(FILE *stream, bool verbose)
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{
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fprintf(stream, "iodine IP over DNS tunneling client\n\n"
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"Usage: %s [-46fhrv] [-u user] [-t chrootdir] [-d device] [-P password]\n"
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" [-m maxfragsize] [-M maxlen] [-T type] [-O enc] [-L 0|1] [-I sec]\n"
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" [-z context] [-F pidfile] [nameserver] topdomain\n", __progname);
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fprintf(stream,
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"iodine IP over DNS tunneling client\n\n"
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"Usage: %s [-46fhrv] [-u user] [-t chrootdir] [-d device] [-P password]\n"
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" [-m maxfragsize] [-M maxlen] [-T type] [-O enc] [-L 0|1] [-I sec]\n"
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" [-z context] [-F pidfile] [nameserver] topdomain\n", __progname);
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if (!verbose)
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exit(2);
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fprintf(stream, "\nOptions to try if connection doesn't work:\n"
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" -4 to connect only to IPv4\n"
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" -6 to connect only to IPv6\n"
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" -T force dns type: NULL, PRIVATE, TXT, SRV, MX, CNAME, A (default: autodetect)\n"
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" -O force downstream encoding for -T other than NULL: Base32, Base64, Base64u,\n"
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" Base128, or (only for TXT:) Raw (default: autodetect)\n"
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" -I max interval between requests (default 4 sec) to prevent DNS timeouts\n"
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" -L 1: use lazy mode for low-latency (default). 0: don't (implies -I1)\n"
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" -m max size of downstream fragments (default: autodetect)\n"
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" -M max size of upstream hostnames (~100-255, default: 255)\n"
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" -r to skip raw UDP mode attempt\n"
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" -P password used for authentication (max 32 chars will be used)\n\n"
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"Other options:\n"
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" -v to print version info and exit\n"
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" -h to print this help and exit\n"
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" -f to keep running in foreground\n"
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" -u name to drop privileges and run as user 'name'\n"
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" -t dir to chroot to directory dir\n"
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" -d device to set tunnel device name\n"
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" -z context, to apply specified SELinux context after initialization\n"
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" -F pidfile to write pid to a file\n\n"
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"nameserver is the IP number/hostname of the relaying nameserver. If absent,\n"
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" /etc/resolv.conf is used\n"
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"topdomain is the FQDN that is delegated to the tunnel endpoint.\n");
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fprintf(stream,
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"\nOptions to try if connection doesn't work:\n"
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" -4 to connect only to IPv4\n"
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" -6 to connect only to IPv6\n"
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" -T force dns type: NULL, PRIVATE, TXT, SRV, MX, CNAME, A (default: autodetect)\n"
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" -O force downstream encoding for -T other than NULL: Base32, Base64, Base64u,\n"
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" Base128, or (only for TXT:) Raw (default: autodetect)\n"
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" -I max interval between requests (default 4 sec) to prevent DNS timeouts\n"
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" -L 1: use lazy mode for low-latency (default). 0: don't (implies -I1)\n"
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" -m max size of downstream fragments (default: autodetect)\n"
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" -M max size of upstream hostnames (~100-255, default: 255)\n"
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" -r to skip raw UDP mode attempt\n"
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" -P password used for authentication (max 32 chars will be used)\n\n"
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"Other options:\n"
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" -v to print version info and exit\n"
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" -h to print this help and exit\n"
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" -f to keep running in foreground\n"
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" -u name to drop privileges and run as user 'name'\n"
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" -t dir to chroot to directory dir\n"
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" -d device to set tunnel device name\n"
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" -z context, to apply specified SELinux context after initialization\n"
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" -F pidfile to write pid to a file\n\n"
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"nameserver is the IP number/hostname of the relaying nameserver. If absent,\n"
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" /etc/resolv.conf is used\n"
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"topdomain is the FQDN that is delegated to the tunnel endpoint.\n");
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exit(0);
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}
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@ -2294,11 +2294,12 @@ write_dns(int fd, struct query *q, const char *data, int datalen, char downenc)
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static void print_usage(FILE *stream)
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{
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fprintf(stream, "Usage: %s [-46cDfsv] [-u user] [-t chrootdir] [-d device] [-m mtu]\n"
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" [-z context] [-l ipv4 listen address] [-L ipv6 listen address]\n"
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" [-p port] [-n auto|external_ip] [-b dnsport] [-P password]\n"
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" [-F pidfile] [-i max idle time] tunnel_ip[/netmask] topdomain\n",
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__progname);
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fprintf(stream,
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"Usage: %s [-46cDfsv] [-u user] [-t chrootdir] [-d device] [-m mtu]\n"
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" [-z context] [-l ipv4 listen address] [-L ipv6 listen address]\n"
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" [-p port] [-n auto|external_ip] [-b dnsport] [-P password]\n"
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" [-F pidfile] [-i max idle time] tunnel_ip[/netmask] topdomain\n",
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__progname);
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}
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static void usage(void)
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@ -2311,44 +2312,46 @@ static void help(FILE *stream)
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{
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fprintf(stream, "iodine IP over DNS tunneling server\n\n");
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print_usage(stream);
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fprintf(stream, "\nAvailable options:\n"
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" -v to print version info and exit\n"
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" -h to print this help and exit\n"
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" -4 to listen only on IPv4\n"
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" -6 to listen only on IPv6\n"
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" -c to disable check of client IP/port on each request\n"
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" -s to skip creating and configuring the tun device,\n"
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" which then has to be created manually\n"
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" -f to keep running in foreground\n"
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" -D to increase debug level\n"
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" (using -DD in UTF-8 terminal: \"LC_ALL=C luit iodined -DD ...\")\n"
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" -u name to drop privileges and run as user 'name'\n"
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" -t dir to chroot to directory dir\n"
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" -d device to set tunnel device name\n"
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" -m mtu to set tunnel device mtu\n"
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" -z context to apply SELinux context after initialization\n"
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" -l IPv4 address to listen on for incoming dns traffic "
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"(default 0.0.0.0)\n"
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" -L IPv6 address to listen on for incoming dns traffic "
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"(default ::)\n"
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" -p port to listen on for incoming dns traffic (default 53)\n"
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" -n ip to respond with to NS queries\n"
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" (Use 'auto' to look up external IP via a service)\n"
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" -b port to forward normal DNS queries to (on localhost)\n"
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" -P password used for authentication (max 32 chars will be used)\n"
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" -F pidfile to write pid to a file\n"
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" -i maximum idle time before shutting down\n\n"
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"tunnel_ip is the IP number of the local tunnel interface.\n"
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" /netmask sets the size of the tunnel network.\n"
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"topdomain is the FQDN that is delegated to this server.\n");
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fprintf(stream,
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"\nAvailable options:\n"
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" -v to print version info and exit\n"
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" -h to print this help and exit\n"
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" -4 to listen only on IPv4\n"
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" -6 to listen only on IPv6\n"
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" -c to disable check of client IP/port on each request\n"
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" -s to skip creating and configuring the tun device,\n"
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" which then has to be created manually\n"
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" -f to keep running in foreground\n"
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" -D to increase debug level\n"
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" (using -DD in UTF-8 terminal: \"LC_ALL=C luit iodined -DD ...\")\n"
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" -u name to drop privileges and run as user 'name'\n"
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" -t dir to chroot to directory dir\n"
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" -d device to set tunnel device name\n"
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" -m mtu to set tunnel device mtu\n"
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" -z context to apply SELinux context after initialization\n"
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" -l IPv4 address to listen on for incoming dns traffic "
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"(default 0.0.0.0)\n"
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" -L IPv6 address to listen on for incoming dns traffic "
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"(default ::)\n"
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" -p port to listen on for incoming dns traffic (default 53)\n"
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" -n ip to respond with to NS queries\n"
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" (Use 'auto' to look up external IP via a service)\n"
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" -b port to forward normal DNS queries to (on localhost)\n"
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" -P password used for authentication (max 32 chars will be used)\n"
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" -F pidfile to write pid to a file\n"
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" -i maximum idle time before shutting down\n\n"
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"tunnel_ip is the IP number of the local tunnel interface.\n"
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" /netmask sets the size of the tunnel network.\n"
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"topdomain is the FQDN that is delegated to this server.\n");
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exit(0);
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}
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static void version(void)
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{
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fprintf(stderr, "iodine IP over DNS tunneling server\n"
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"Git version: %s\n", GITREVISION);
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fprintf(stderr,
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"iodine IP over DNS tunneling server\n"
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"Git version: %s\n", GITREVISION);
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exit(0);
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}
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