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/* ISC license. */
#include <sys/types.h>
#include <limits.h>
#include <skalibs/types.h>
#include <skalibs/sgetopt.h>
#include <skalibs/strerr2.h>
#include <skalibs/exec.h>
#include <s6/config.h>
#include <s6-networking/config.h>
#define USAGE "s6-tlsserver [ -e ] [ options ] ip port prog...\n" \
"s6-tcpserver options: [ -q | -Q | -v ] [ -4 | -6 ] [ -1 ] [ -c maxconn ] [ -C localmaxconn ] [ -b backlog ] [ -G gidlist ] [ -g gid ] [ -u uid ] [ -U ]\n" \
"s6-tcpserver-access options: [ -W | -w ] [ -D | -d ] [ -H | -h ] [ -R | -r ] [ -P | -p ] [ -l localname ] [ -B banner ] [ -t timeout ] [ -i rulesdir | -x rulesfile ]\n" \
"s6-tlsd options: [ -S | -s ] [ -Y | -y ] [ -K timeout ] [ -Z | -z ] [ -k snilevel ]"
#define dieusage() strerr_dieusage(100, USAGE)
typedef struct options_s options_t, *options_t_ref ;
struct options_s
{
char const *localname ;
char const *banner ;
char const *rules ;
gid_t gids[NGROUPS_MAX] ;
size_t gidn ;
uid_t uid ;
gid_t gid ;
unsigned int maxconn ;
unsigned int localmaxconn ;
unsigned int backlog ;
unsigned int timeout ;
unsigned int kimeout ;
unsigned int snilevel ;
unsigned int verbosity : 2 ;
unsigned int flag46 : 2 ;
unsigned int flag1 : 1 ;
unsigned int flagU : 1 ;
unsigned int flagw : 1 ;
unsigned int flagD : 1 ;
unsigned int flagH : 1 ;
unsigned int flagr : 1 ;
unsigned int flagp : 1 ;
unsigned int ruleswhat : 2 ;
unsigned int flagS : 1 ;
unsigned int flagy : 1 ;
unsigned int flagZ : 1 ;
unsigned int onlyvars : 1 ;
unsigned int doaccess : 1 ;
unsigned int doapply : 1 ;
} ;
#define OPTIONS_ZERO \
{ \
.localname = 0, \
.banner = 0, \
.rules = 0, \
.backlog = (unsigned int)-1, \
.gidn = (size_t)-1, \
.uid = 0, \
.gid = 0, \
.maxconn = 0, \
.localmaxconn = 0, \
.timeout = 0, \
.kimeout = 0, \
.verbosity = 1, \
.snilevel = 0, \
.flag46 = 0, \
.flag1 = 0, \
.flagU = 0, \
.flagw = 0, \
.flagD = 0, \
.flagH = 0, \
.flagr = 0, \
.flagp = 0, \
.ruleswhat = 0, \
.flagS = 0, \
.flagy = 0, \
.flagZ = 0, \
.onlyvars = 0, \
.doaccess = 0, \
.doapply = 0 \
}
int main (int argc, char const *const *argv)
{
options_t o = OPTIONS_ZERO ;
PROG = "s6-tlsserver" ;
{
subgetopt l = SUBGETOPT_ZERO ;
for (;;)
{
int opt = subgetopt_r(argc, argv, "qQv461c:C:b:G:g:u:UWwDdHhRrPpl:eB:t:i:x:SsYyK:Zzk:", &l) ;
if (opt == -1) break ;
switch (opt)
{
case 'q' : o.verbosity = 0 ; break ;
case 'Q' : o.verbosity = 1 ; break ;
case 'v' : o.verbosity = 2 ; break ;
case '4' : o.flag46 = 1 ; break ;
case '6' : o.flag46 = 2 ; break ;
case '1' : o.flag1 = 1 ; break ;
case 'c' : if (!uint0_scan(l.arg, &o.maxconn)) dieusage() ; if (!o.maxconn) o.maxconn = 1 ; break ;
case 'C' : if (!uint0_scan(l.arg, &o.localmaxconn)) dieusage() ; if (!o.localmaxconn) o.localmaxconn = 1 ; break ;
case 'b' : if (!uint0_scan(l.arg, &o.backlog)) dieusage() ; break ;
case 'G' : if (!gid_scanlist(o.gids, NGROUPS_MAX, l.arg, &o.gidn) && *l.arg) dieusage() ; o.doapply = 1 ; break ;
case 'g' : if (!gid0_scan(l.arg, &o.gid)) dieusage() ; o.doapply = 1 ; break ;
case 'u' : if (!uid0_scan(l.arg, &o.uid)) dieusage() ; o.doapply = 1 ; break ;
case 'U' : o.flagU = 1 ; o.uid = 0 ; o.gid = 0 ; o.gidn = (size_t)-1 ; o.doapply = 1 ; break ;
case 'W' : o.flagw = 0 ; break ;
case 'w' : o.flagw = 1 ; break ;
case 'D' : o.flagD = 1 ; o.doaccess = 1 ; break ;
case 'd' : o.flagD = 0 ; break ;
case 'H' : o.flagH = 1 ; o.doaccess = 1 ; break ;
case 'h' : o.flagH = 0 ; break ;
case 'R' : o.flagr = 0 ; break ;
case 'r' : o.flagr = 1 ; o.doaccess = 1 ; break ;
case 'P' : o.flagp = 0 ; break ;
case 'p' : o.flagp = 1 ; o.doaccess = 1 ; break ;
case 'l' : o.localname = l.arg ; o.doaccess = 1 ; break ;
case 'e' : o.onlyvars = 1 ; o.doaccess = 1 ; break ;
case 'B' : o.banner = l.arg ; o.doaccess = 1 ; break ;
case 't' : if (!uint0_scan(l.arg, &o.timeout)) dieusage() ; break ;
case 'i' : o.rules = l.arg ; o.ruleswhat = 1 ; o.doaccess = 1 ; break ;
case 'x' : o.rules = l.arg ; o.ruleswhat = 2 ; o.doaccess = 1 ; break ;
case 'S' : o.flagS = 1 ; break ;
case 's' : o.flagS = 0 ; break ;
case 'Y' : o.flagy = 0 ; break ;
case 'y' : o.flagy = 1 ; break ;
case 'K' : if (!uint0_scan(l.arg, &o.kimeout)) dieusage() ; break ;
case 'Z' : o.flagZ = 1 ; break ;
case 'z' : o.flagZ = 0 ; break ;
case 'k' : if (!uint0_scan(l.arg, &o.snilevel)) dieusage() ; break ;
default : dieusage() ;
}
}
argc -= l.ind ; argv += l.ind ;
if (argc < 3) dieusage() ;
}
{
size_t pos = 0 ;
unsigned int m = 0 ;
char fmt[UINT_FMT * 5 + UID_FMT + GID_FMT * (NGROUPS_MAX + 1)] ;
char const *newargv[46 + argc] ;
newargv[m++] = S6_NETWORKING_BINPREFIX "s6-tcpserver" ;
if (o.verbosity != 1) newargv[m++] = o.verbosity ? "-v" : "-q" ;
if (o.flag46) newargv[m++] = o.flag46 == 1 ? "-4" : "-6" ;
if (o.flag1) newargv[m++] = "-1" ;
if (o.maxconn)
{
newargv[m++] = "-c" ;
newargv[m++] = fmt + pos ;
pos += uint_fmt(fmt + pos, o.maxconn) ;
fmt[pos++] = 0 ;
}
if (o.localmaxconn)
{
newargv[m++] = "-C" ;
newargv[m++] = fmt + pos ;
pos += uint_fmt(fmt + pos, o.localmaxconn) ;
fmt[pos++] = 0 ;
}
if (o.backlog != (unsigned int)-1)
{
newargv[m++] = "-b" ;
newargv[m++] = fmt + pos ;
pos += uint_fmt(fmt + pos, o.backlog) ;
fmt[pos++] = 0 ;
}
newargv[m++] = "--" ;
newargv[m++] = *argv++ ;
newargv[m++] = *argv++ ;
if (o.doaccess)
{
newargv[m++] = S6_NETWORKING_BINPREFIX "s6-tcpserver-access" ;
if (o.verbosity)
{
if (o.verbosity > 1 && (!o.onlyvars || o.ruleswhat))
newargv[m++] = "-v2" ;
}
else newargv[m++] = "-v0" ;
if (o.flagw) newargv[m++] = "-w" ;
if (o.flagD) newargv[m++] = "-D" ;
if (o.flagH) newargv[m++] = "-H" ;
if (o.flagr) newargv[m++] = "-r" ;
if (o.flagp) newargv[m++] = "-p" ;
if (o.localname)
{
newargv[m++] = "-l" ;
newargv[m++] = o.localname ;
}
if (o.banner)
{
newargv[m++] = "-B" ;
newargv[m++] = o.banner ;
}
if (o.timeout)
{
newargv[m++] = "-t" ;
newargv[m++] = fmt + pos ;
pos += uint_fmt(fmt + pos, o.timeout) ;
fmt[pos++] = 0 ;
}
if (o.ruleswhat)
{
newargv[m++] = o.ruleswhat == 1 ? "-i" : "-x" ;
newargv[m++] = o.rules ;
}
newargv[m++] = "--" ;
}
newargv[m++] = S6_NETWORKING_BINPREFIX "s6-tlsd" ;
if (o.verbosity != 1)
newargv[m++] = o.verbosity ? "-v2" : "-v0" ;
if (o.flagS) newargv[m++] = "-S" ;
if (o.flagy) newargv[m++] = "-y" ;
if (o.kimeout)
{
newargv[m++] = "-K" ;
newargv[m++] = fmt + pos ;
pos += uint_fmt(fmt + pos, o.kimeout) ;
fmt[pos++] = 0 ;
}
if (o.flagZ) newargv[m++] = "-Z" ;
if (o.snilevel >= 2) newargv[m++] = "-k2" ;
else if (o.snilevel) newargv[m++] = "-k1" ;
newargv[m++] = "--" ;
if (o.doapply)
{
newargv[m++] = S6_EXTBINPREFIX "s6-applyuidgid" ;
if (o.gidn != (size_t)-1)
{
newargv[m++] = "-G" ;
newargv[m++] = fmt + pos ;
pos += gid_fmtlist(fmt + pos, o.gids, o.gidn) ;
fmt[pos++] = 0 ;
}
if (o.gid)
{
newargv[m++] = "-g" ;
newargv[m++] = fmt + pos ;
pos += gid_fmt(fmt + pos, o.gid) ;
fmt[pos++] = 0 ;
}
if (o.uid)
{
newargv[m++] = "-u" ;
newargv[m++] = fmt + pos ;
pos += uid_fmt(fmt + pos, o.uid) ;
fmt[pos++] = 0 ;
}
if (o.flagU) newargv[m++] = "-Uz" ;
newargv[m++] = "--" ;
}
while (*argv) newargv[m++] = *argv++ ;
newargv[m++] = 0 ;
xexec(newargv) ;
}
}
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