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/* ISC license. */
#include <string.h>
#include <skalibs/bytestr.h>
#include <skalibs/types.h>
#include <skalibs/strerr.h>
#include <skalibs/sgetopt.h>
#include <skalibs/exec.h>
#include <s6/config.h>
#define USAGE "s6-instance-control [ -wu | -wU | -wd | -wD | -wr | -wR ] [ -T timeout ] [ -abqhkti12pcyroduDUxO ] service instancename"
#define dieusage() strerr_dieusage(100, USAGE)
#define DATASIZE 63
int main (int argc, char const **argv)
{
char const **fullargv = argv ;
size_t namelen ;
PROG = "s6-instance-control" ;
{
subgetopt l = SUBGETOPT_ZERO ;
unsigned int datalen = 1 ;
unsigned int timeout = 0 ;
for (;;)
{
int opt = subgetopt_r(argc, argv, "abqhkti12pcyroduDUxOT:w:", &l) ;
if (opt == -1) break ;
switch (opt)
{
case 'a' :
case 'b' :
case 'q' :
case 'h' :
case 'k' :
case 't' :
case 'i' :
case '1' :
case '2' :
case 'p' :
case 'c' :
case 'y' :
case 'r' :
case 'o' :
case 'd' :
case 'u' :
case 'D' :
case 'U' :
case 'x' :
case 'O' : if (datalen++ >= DATASIZE) strerr_dief1x(100, "too many commands") ; break ;
case 'T' : if (!uint0_scan(l.arg, &timeout)) dieusage() ; break ;
case 'w' : if (!memchr("dDuUrR", l.arg[0], 6)) dieusage() ; break ;
default : dieusage() ;
}
}
argc -= l.ind ; argv += l.ind ;
}
if (argc < 2) dieusage() ;
namelen = strlen(argv[1]) ;
if (!argv[0][0]) strerr_dief1x(100, "invalid service name") ;
if (!argv[1][0] || argv[1][0] == '.' || byte_in(argv[1], namelen, " \t\f\r\n", 5) < namelen)
strerr_dief1x(100, "invalid instance name") ;
{
size_t svlen = strlen(argv[0]) ;
char fn[svlen + 11 + namelen] ;
memcpy(fn, argv[0], svlen) ;
memcpy(fn + svlen, "/instance/", 10) ;
memcpy(fn + svlen + 10, argv[1], namelen + 1) ;
argv[0] = fn ;
argv[1] = 0 ;
fullargv[0] = S6_BINPREFIX "s6-svc" ;
xexec(fullargv) ;
}
}
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