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/* ISC license. */
#include <stdint.h>
#include <string.h>
#include <skalibs/uint64.h>
#include <skalibs/types.h>
#include <skalibs/ip46.h>
#include <skalibs/envexec.h>
#include <s6-networking/config.h>
#define USAGE "s6-tlsclient [ options ] host port prog...\n" \
"s6-tcpclient options: [ -q | -Q | -v ] [ -4 | -6 ] [ -d | -D ] [ -r | -R ] [ -h ] [ -H ] [ -n | -N ] [ -t timeout ] [ -l localname ] [ -T timeoutconn ] [ -i localip ] [ -p localport ]\n" \
"s6-tlsc options: [ -S | -s ] [ -J | -j ] [ -Y | -y ] [ -K timeout ] [ -k servername ] [ -Z | -z ]"
#define dieusage() strerr_dieusage(100, USAGE)
typedef struct options_s options_t, *options_t_ref ;
struct options_s
{
unsigned int timeout ;
unsigned int ximeout ;
unsigned int yimeout ;
unsigned int kimeout ;
uint16_t localport ;
ip46full localip ;
uint8_t doxy : 1 ;
} ;
#define OPTIONS_ZERO \
{ \
.timeout = 0, \
.ximeout = 2, \
.yimeout = 58, \
.kimeout = 0, \
.localport = 0, \
.localip = IP46FULL_ZERO, \
.doxy = 0 \
}
enum golb_e
{
GOLB_QUIET = 0x0001,
GOLB_VERBOSE = 0x0002,
GOLB_V4 = 0x0004,
GOLB_V6 = 0x0008,
GOLB_NONAGLE = 0x0010,
GOLB_NODNS = 0x0020,
GOLB_HOSTS = 0x0040,
GOLB_IDENT = 0x0080,
GOLB_QUALIFY = 0x0100,
GOLB_CLOSENOTIFY = 0x0200,
GOLB_STRICTCN = 0x0400,
GOLB_CLIENTCERT = 0x0800,
GOLB_NOVERIFY = 0x1000,
GOLB_KEEP = 0x2000,
} ;
enum gola_e
{
GOLA_TIMEOUT,
GOLA_LOCALNAME,
GOLA_XYIMEOUT,
GOLA_IP,
GOLA_PORT,
GOLA_KIMEOUT,
GOLA_SERVERNAME,
GOLA_N
} ;
int main (int argc, char const *const *argv)
{
static gol_bool const rgolb[] =
{
{ .so = 'q', .lo = "quiet", .clear = GOLB_VERBOSE, .set = GOLB_QUIET },
{ .so = 'Q', .lo = "normally-verbose", .clear = GOLB_QUIET | GOLB_VERBOSE, .set = 0 },
{ .so = 'v', .lo = "verbose", .clear = GOLB_QUIET, .set = GOLB_VERBOSE },
{ .so = '4', .lo = "ipv4", .clear = 0, .set = GOLB_V4 },
{ .so = '6', .lo = "ipv6", .clear = 0, .set = GOLB_V6 },
{ .so = 'd', .lo = "nagle", .clear = GOLB_NONAGLE, .set = 0 },
{ .so = 'D', .lo = "no-nagle", .clear = 0, .set = GOLB_NONAGLE },
{ .so = 0, .lo = "dns", .clear = GOLB_NODNS, .set = 0 },
{ .so = 'H', .lo = "no-dns", .clear = 0, .set = GOLB_NODNS },
{ .so = 0, .lo = "no-hosts", .clear = GOLB_HOSTS, .set = 0 },
{ .so = 'h', .lo = "hosts", .clear = 0, .set = GOLB_HOSTS },
{ .so = 'R', .lo = "no-ident", .clear = GOLB_IDENT, .set = 0 },
{ .so = 'r', .lo = "ident", .clear = 0, .set = GOLB_IDENT },
{ .so = 'N', .lo = "no-qualify", .clear = GOLB_QUALIFY, .set = 0 },
{ .so = 'n', .lo = "qualify", .clear = 0, .set = GOLB_QUALIFY },
{ .so = 's', .lo = "no-close-notify", .clear = GOLB_CLOSENOTIFY, .set = 0 },
{ .so = 'S', .lo = "close-notify", .clear = 0, .set = GOLB_CLOSENOTIFY },
{ .so = 'j', .lo = "no-enforce-close-notify", .clear = GOLB_STRICTCN, .set = 0 },
{ .so = 'J', .lo = "enforce-close-notify", .clear = 0, .set = GOLB_STRICTCN },
{ .so = 'Y', .lo = "no-client-cert", .clear = GOLB_CLIENTCERT, .set = 0 },
{ .so = 'y', .lo = "client-cert", .clear = 0, .set = GOLB_CLIENTCERT },
{ .so = 0, .lo = "verify-cert", .clear = GOLB_NOVERIFY, .set = 0 },
{ .so = 0, .lo = "no-verify-cert", .clear = 0, .set = GOLB_NOVERIFY },
{ .so = 'z', .lo = "no-keep", .clear = GOLB_KEEP, .set = 0 },
{ .so = 'Z', .lo = "keep", .clear = 0, .set = GOLB_KEEP },
} ;
static gol_arg const rgola[] =
{
{ .so = 't', .lo = "timeout", .i = GOLA_TIMEOUT },
{ .so = 'l', .lo = "local-name", .i = GOLA_LOCALNAME },
{ .so = 'T', .lo = "connection-timeouts", .i = GOLA_XYIMEOUT },
{ .so = 'i', .lo = "local-ip", .i = GOLA_IP },
{ .so = 'p', .lo = "local-port", .i = GOLA_PORT },
{ .so = 'K', .lo = "handshake-timeout", .i = GOLA_KIMEOUT },
{ .so = 'k', .lo = "servername", .i = GOLA_SERVERNAME },
} ;
options_t o = OPTIONS_ZERO ;
uint64_t wgolb = 0 ;
char const *wgola[GOLA_N] = { 0 } ;
unsigned int golc ;
PROG = "s6-tlsclient" ;
golc = GOL_main(argc, argv, rgolb, rgola, &wgolb, wgola) ;
argc -= golc ; argv += golc ;
if (argc < 3) dieusage() ;
if (wgola[GOLA_TIMEOUT])
if (!uint0_scan(wgola[GOLA_TIMEOUT], &o.timeout))
strerr_dief(100, "timeout", " needs to be a", "n unsigned integer") ;
if (wgola[GOLA_KIMEOUT])
if (!uint0_scan(wgola[GOLA_KIMEOUT], &o.kimeout))
strerr_dief(100, "handshake-timeout", " needs to be a", "n unsigned integer") ;
if (wgola[GOLA_IP])
if (!ip46full_scan(wgola[GOLA_IP], &o.localip))
strerr_dief(100, "local-ip", " needs to be a", " valid IP address") ;
if (wgola[GOLA_PORT])
if (!uint160_scan(wgola[GOLA_PORT], &o.localport))
strerr_dief(100, "handshake-timeout", " needs to be a", "valid port number") ;
if (wgola[GOLA_XYIMEOUT])
{
size_t n = uint_scan(wgola[GOLA_XYIMEOUT], &o.ximeout) ;
if (!n) strerr_dief(100, "connection-timeouts must be x+y") ;
o.doxy = 1 ;
if (!wgola[GOLA_XYIMEOUT][n]) o.yimeout = 0 ;
else
{
if (wgola[GOLA_XYIMEOUT][n] != '+') strerr_dief(100, "connection-timeouts must be x+y") ;
if (!uint0_scan(wgola[GOLA_XYIMEOUT] + n + 1, &o.yimeout)) strerr_dief(100, "connection-timeouts must be x+y") ;
}
}
if (!wgola[GOLA_SERVERNAME] && !(wgolb & GOLB_NODNS))
{
ip46full ip ;
if (!ip46full_scan(argv[0], &ip))
wgola[GOLA_SERVERNAME] = argv[0] ;
}
{
size_t pos = 0 ;
unsigned int m = 0 ;
char fmt[UINT_FMT * 4 + UINT16_FMT + IP46_FMT] ;
char const *newargv[32 + argc] ;
newargv[m++] = S6_NETWORKING_BINPREFIX "s6-tcpclient" ;
if (wgolb & GOLB_QUIET) newargv[m++] = "-q" ;
else if (wgolb & GOLB_VERBOSE) newargv[m++] = "-v" ;
if (wgolb & GOLB_V4) newargv[m++] = "-4" ;
if (wgolb & GOLB_V6) newargv[m++] = "-6" ;
if (wgolb & GOLB_NONAGLE) newargv[m++] = "-D" ;
if (wgolb & GOLB_NODNS) newargv[m++] = "-H" ;
if (wgolb & GOLB_HOSTS) newargv[m++] = "-h" ;
if (wgolb & GOLB_IDENT) newargv[m++] = "-r" ;
if (wgolb & GOLB_QUALIFY) newargv[m++] = "-N" ;
if (o.timeout)
{
newargv[m++] = "-t" ;
newargv[m++] = fmt + pos ;
pos += uint_fmt(fmt + pos, o.timeout) ;
fmt[pos++] = 0 ;
}
if (wgola[GOLA_LOCALNAME])
{
newargv[m++] = "-l" ;
newargv[m++] = wgola[GOLA_LOCALNAME] ;
}
if (o.doxy)
{
newargv[m++] = "-T" ;
newargv[m++] = fmt + pos ;
pos += uint_fmt(fmt + pos, o.ximeout) ;
fmt[pos++] = '+' ;
pos += uint_fmt(fmt + pos, o.yimeout) ;
fmt[pos++] = 0 ;
}
if (memcmp(o.localip.ip, IP6_ANY, 16))
{
newargv[m++] = "-i" ;
newargv[m++] = fmt + pos ;
pos += ip46full_fmt(fmt + pos, &o.localip) ;
fmt[pos++] = 0 ;
}
if (o.localport)
{
newargv[m++] = "-p" ;
newargv[m++] = fmt + pos ;
pos += uint16_fmt(fmt + pos, o.localport) ;
fmt[pos++] = 0 ;
}
newargv[m++] = "--" ;
newargv[m++] = *argv++ ;
newargv[m++] = *argv++ ;
newargv[m++] = S6_NETWORKING_BINPREFIX "s6-tlsc" ;
if (wgolb & GOLB_CLOSENOTIFY) newargv[m++] = "-S" ;
if (wgolb & GOLB_STRICTCN) newargv[m++] = "-J" ;
if (wgolb & GOLB_CLIENTCERT) newargv[m++] = "-y" ;
if (wgolb & GOLB_NOVERIFY) newargv[m++] = "--no-verify-cert" ;
if (wgolb & GOLB_KEEP) newargv[m++] = "-Z" ;
if (o.kimeout)
{
newargv[m++] = "-K" ;
newargv[m++] = fmt + pos ;
pos += uint_fmt(fmt + pos, o.kimeout) ;
fmt[pos++] = 0 ;
}
if (wgola[GOLA_SERVERNAME])
{
newargv[m++] = "-k" ;
newargv[m++] = wgola[GOLA_SERVERNAME] ;
}
newargv[m++] = "--" ;
while (*argv) newargv[m++] = *argv++ ;
newargv[m++] = 0 ;
xexec(newargv) ;
}
}
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