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Formatting: Indent multi-line prints less

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Erik Ekman 2021-01-31 13:54:09 +01:00
parent 4b3d6e2962
commit cc51ee6f02
2 changed files with 70 additions and 65 deletions
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58
src/iodine.c
View file

@ -70,38 +70,40 @@ static inline void help(FILE * stream, bool verbose) __attribute__((noreturn));
static void help(FILE *stream, bool verbose) static void help(FILE *stream, bool verbose)
{ {
fprintf(stream, "iodine IP over DNS tunneling client\n\n" fprintf(stream,
"Usage: %s [-46fhrv] [-u user] [-t chrootdir] [-d device] [-P password]\n" "iodine IP over DNS tunneling client\n\n"
" [-m maxfragsize] [-M maxlen] [-T type] [-O enc] [-L 0|1] [-I sec]\n" "Usage: %s [-46fhrv] [-u user] [-t chrootdir] [-d device] [-P password]\n"
" [-z context] [-F pidfile] [nameserver] topdomain\n", __progname); " [-m maxfragsize] [-M maxlen] [-T type] [-O enc] [-L 0|1] [-I sec]\n"
" [-z context] [-F pidfile] [nameserver] topdomain\n", __progname);
if (!verbose) if (!verbose)
exit(2); exit(2);
fprintf(stream, "\nOptions to try if connection doesn't work:\n" fprintf(stream,
" -4 to connect only to IPv4\n" "\nOptions to try if connection doesn't work:\n"
" -6 to connect only to IPv6\n" " -4 to connect only to IPv4\n"
" -T force dns type: NULL, PRIVATE, TXT, SRV, MX, CNAME, A (default: autodetect)\n" " -6 to connect only to IPv6\n"
" -O force downstream encoding for -T other than NULL: Base32, Base64, Base64u,\n" " -T force dns type: NULL, PRIVATE, TXT, SRV, MX, CNAME, A (default: autodetect)\n"
" Base128, or (only for TXT:) Raw (default: autodetect)\n" " -O force downstream encoding for -T other than NULL: Base32, Base64, Base64u,\n"
" -I max interval between requests (default 4 sec) to prevent DNS timeouts\n" " Base128, or (only for TXT:) Raw (default: autodetect)\n"
" -L 1: use lazy mode for low-latency (default). 0: don't (implies -I1)\n" " -I max interval between requests (default 4 sec) to prevent DNS timeouts\n"
" -m max size of downstream fragments (default: autodetect)\n" " -L 1: use lazy mode for low-latency (default). 0: don't (implies -I1)\n"
" -M max size of upstream hostnames (~100-255, default: 255)\n" " -m max size of downstream fragments (default: autodetect)\n"
" -r to skip raw UDP mode attempt\n" " -M max size of upstream hostnames (~100-255, default: 255)\n"
" -P password used for authentication (max 32 chars will be used)\n\n" " -r to skip raw UDP mode attempt\n"
"Other options:\n" " -P password used for authentication (max 32 chars will be used)\n\n"
" -v to print version info and exit\n" "Other options:\n"
" -h to print this help and exit\n" " -v to print version info and exit\n"
" -f to keep running in foreground\n" " -h to print this help and exit\n"
" -u name to drop privileges and run as user 'name'\n" " -f to keep running in foreground\n"
" -t dir to chroot to directory dir\n" " -u name to drop privileges and run as user 'name'\n"
" -d device to set tunnel device name\n" " -t dir to chroot to directory dir\n"
" -z context, to apply specified SELinux context after initialization\n" " -d device to set tunnel device name\n"
" -F pidfile to write pid to a file\n\n" " -z context, to apply specified SELinux context after initialization\n"
"nameserver is the IP number/hostname of the relaying nameserver. If absent,\n" " -F pidfile to write pid to a file\n\n"
" /etc/resolv.conf is used\n" "nameserver is the IP number/hostname of the relaying nameserver. If absent,\n"
"topdomain is the FQDN that is delegated to the tunnel endpoint.\n"); " /etc/resolv.conf is used\n"
"topdomain is the FQDN that is delegated to the tunnel endpoint.\n");
exit(0); exit(0);
} }

77
src/iodined.c
View file

@ -2294,11 +2294,12 @@ write_dns(int fd, struct query *q, const char *data, int datalen, char downenc)
static void print_usage(FILE *stream) static void print_usage(FILE *stream)
{ {
fprintf(stream, "Usage: %s [-46cDfsv] [-u user] [-t chrootdir] [-d device] [-m mtu]\n" fprintf(stream,
" [-z context] [-l ipv4 listen address] [-L ipv6 listen address]\n" "Usage: %s [-46cDfsv] [-u user] [-t chrootdir] [-d device] [-m mtu]\n"
" [-p port] [-n auto|external_ip] [-b dnsport] [-P password]\n" " [-z context] [-l ipv4 listen address] [-L ipv6 listen address]\n"
" [-F pidfile] [-i max idle time] tunnel_ip[/netmask] topdomain\n", " [-p port] [-n auto|external_ip] [-b dnsport] [-P password]\n"
__progname); " [-F pidfile] [-i max idle time] tunnel_ip[/netmask] topdomain\n",
__progname);
} }
static void usage(void) static void usage(void)
@ -2311,44 +2312,46 @@ static void help(FILE *stream)
{ {
fprintf(stream, "iodine IP over DNS tunneling server\n\n"); fprintf(stream, "iodine IP over DNS tunneling server\n\n");
print_usage(stream); print_usage(stream);
fprintf(stream, "\nAvailable options:\n" fprintf(stream,
" -v to print version info and exit\n" "\nAvailable options:\n"
" -h to print this help and exit\n" " -v to print version info and exit\n"
" -4 to listen only on IPv4\n" " -h to print this help and exit\n"
" -6 to listen only on IPv6\n" " -4 to listen only on IPv4\n"
" -c to disable check of client IP/port on each request\n" " -6 to listen only on IPv6\n"
" -s to skip creating and configuring the tun device,\n" " -c to disable check of client IP/port on each request\n"
" which then has to be created manually\n" " -s to skip creating and configuring the tun device,\n"
" -f to keep running in foreground\n" " which then has to be created manually\n"
" -D to increase debug level\n" " -f to keep running in foreground\n"
" (using -DD in UTF-8 terminal: \"LC_ALL=C luit iodined -DD ...\")\n" " -D to increase debug level\n"
" -u name to drop privileges and run as user 'name'\n" " (using -DD in UTF-8 terminal: \"LC_ALL=C luit iodined -DD ...\")\n"
" -t dir to chroot to directory dir\n" " -u name to drop privileges and run as user 'name'\n"
" -d device to set tunnel device name\n" " -t dir to chroot to directory dir\n"
" -m mtu to set tunnel device mtu\n" " -d device to set tunnel device name\n"
" -z context to apply SELinux context after initialization\n" " -m mtu to set tunnel device mtu\n"
" -l IPv4 address to listen on for incoming dns traffic " " -z context to apply SELinux context after initialization\n"
"(default 0.0.0.0)\n" " -l IPv4 address to listen on for incoming dns traffic "
" -L IPv6 address to listen on for incoming dns traffic " "(default 0.0.0.0)\n"
"(default ::)\n" " -L IPv6 address to listen on for incoming dns traffic "
" -p port to listen on for incoming dns traffic (default 53)\n" "(default ::)\n"
" -n ip to respond with to NS queries\n" " -p port to listen on for incoming dns traffic (default 53)\n"
" (Use 'auto' to look up external IP via a service)\n" " -n ip to respond with to NS queries\n"
" -b port to forward normal DNS queries to (on localhost)\n" " (Use 'auto' to look up external IP via a service)\n"
" -P password used for authentication (max 32 chars will be used)\n" " -b port to forward normal DNS queries to (on localhost)\n"
" -F pidfile to write pid to a file\n" " -P password used for authentication (max 32 chars will be used)\n"
" -i maximum idle time before shutting down\n\n" " -F pidfile to write pid to a file\n"
"tunnel_ip is the IP number of the local tunnel interface.\n" " -i maximum idle time before shutting down\n\n"
" /netmask sets the size of the tunnel network.\n" "tunnel_ip is the IP number of the local tunnel interface.\n"
"topdomain is the FQDN that is delegated to this server.\n"); " /netmask sets the size of the tunnel network.\n"
"topdomain is the FQDN that is delegated to this server.\n");
exit(0); exit(0);
} }
static void version(void) static void version(void)
{ {
fprintf(stderr, "iodine IP over DNS tunneling server\n" fprintf(stderr,
"Git version: %s\n", GITREVISION); "iodine IP over DNS tunneling server\n"
"Git version: %s\n", GITREVISION);
exit(0); exit(0);
} }