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/* ISC license. */
#include <skalibs/uint.h>
#include <skalibs/sgetopt.h>
#include <skalibs/strerr2.h>
#include <skalibs/djbunix.h>
#include <skalibs/ip46.h>
#include <s6-networking/config.h>
#define USAGE "s6-tcpserver [ -q | -Q | -v ] [ -1 ] [ -4 | -6 ] [ -c maxconn ] [ -C localmaxconn ] [ -b backlog ] [ -G gid,gid,... ] [ -g gid ] [ -u uid ] [ -U ] ip port prog..."
#define dieusage() strerr_dieusage(100, USAGE)
int main (int argc, char const *const *argv, char const *const *envp)
{
char const *newargv[2 + (argc << 1)] ;
char const *path ;
unsigned int m = 3 ;
int what = 0 ;
unsigned int verbosity = 1 ;
char fmtv[UINT_FMT] ;
PROG = "s6-tcpserver" ;
newargv[1] = "-v" ;
newargv[2] = fmtv ;
{
subgetopt_t l = SUBGETOPT_ZERO ;
for (;;)
{
register int opt = subgetopt_r(argc, argv, "qQv146Uc:C:b:u:g:G:", &l) ;
if (opt == -1) break ;
switch (opt)
{
case '4' : if (what) dieusage() ; what = 4 ; break ;
case '6' : if (what) dieusage() ; what = 6 ; break ;
case 'q' : verbosity = 0 ; break ;
case 'Q' : verbosity = 1 ; break ;
case 'v' : verbosity = 2 ; break ;
case '1' : newargv[m++] = "-1" ; break ;
case 'U' : newargv[m++] = "-U" ; break ;
case 'c' : newargv[m++] = "-c" ; newargv[m++] = l.arg ; break ;
case 'C' : newargv[m++] = "-C" ; newargv[m++] = l.arg ; break ;
case 'b' : newargv[m++] = "-b" ; newargv[m++] = l.arg ; break ;
case 'u' : newargv[m++] = "-u" ; newargv[m++] = l.arg ; break ;
case 'g' : newargv[m++] = "-g" ; newargv[m++] = l.arg ; break ;
case 'G' : newargv[m++] = "-G" ; newargv[m++] = l.arg ; break ;
default : dieusage() ;
}
}
argc -= l.ind ; argv += l.ind ;
}
if (argc < 3) dieusage() ;
fmtv[uint_fmt(fmtv, verbosity)] = 0 ;
newargv[m++] = 0 ;
if (!what)
{
ip46_t ip ;
if (!ip46_scan(argv[0], &ip)) dieusage() ;
what = ip46_is6(&ip) ? 6 : 4 ;
}
if (what == 6)
{
newargv[0] = "s6-tcpserver6" ;
path = S6_NETWORKING_BINPREFIX "s6-tcpserver6" ;
}
else
{
newargv[0] = "s6-tcpserver4" ;
path = S6_NETWORKING_BINPREFIX "s6-tcpserver4" ;
}
pathexec_run(path, newargv, envp) ;
strerr_dieexec(111, path) ;
}
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