int main (int argc, char const **argv, char const *const *envp)
{
tain_t deadline, tto ;
int spfd ;
int argc1 ;
int or = 0 ;
int wantup = 1, wantready = 0, wantrestart = 0 ;
PROG = "s6-svlisten" ;
{
subgetopt_t l = SUBGETOPT_ZERO ;
unsigned int t = 0 ;
for (;;)
{
register int opt = subgetopt_r(argc, argv, "uUdDrRaot:", &l) ;
if (opt == -1) break ;
switch (opt)
{
case 'u' : wantup = 1 ; wantready = 0 ; break ;
case 'U' : wantup = 1 ; wantready = 1 ; break ;
case 'd' : wantup = 0 ; wantready = 0 ; break ;
case 'D' : wantup = 0 ; wantready = 1 ; break ;
case 'r' : wantrestart = 1 ; wantready = 0 ; break ;
case 'R' : wantrestart = 1 ; wantready = 1 ; break ;
case 'a' : or = 0 ; break ;
case 'o' : or = 1 ; break ;
case 't' : if (!uint0_scan(l.arg, &t)) dieusage() ; break ;
default : dieusage() ;
}
}
argc -= l.ind ; argv += l.ind ;
if (t) tain_from_millisecs(&tto, t) ; else tto = tain_infinite_relative ;
}
if (argc < 3) dieusage() ;
argc1 = el_semicolon(argv) ;
if (!argc1 || argc == argc1 + 1) dieusage() ;
if (argc1 >= argc) strerr_dief1x(100, "unterminated servicedir block") ;
if (wantrestart && or)
{
or = 0 ;
strerr_warnw3x("-o is unsupported when combined with -", wantready ? "R" : "r", "- using -a instead") ;
}
tain_now_g() ;
tain_add_g(&deadline, &tto) ;
spfd = s6_svlisten_selfpipe_init() ;
{
s6_svlisten_t foo = S6_SVLISTEN_ZERO ;
pid_t pid ;
uint16 ids[argc1] ;
unsigned char upstate[bitarray_div8(argc1)] ;
unsigned char readystate[bitarray_div8(argc1)] ;
s6_svlisten_init(argc1, argv, &foo, ids, upstate, readystate, &deadline) ;
pid = child_spawn0(argv[argc1 + 1], argv + argc1 + 1, envp) ;
if (!pid) strerr_diefu2sys(111, "spawn ", argv[argc1 + 1]) ;
if (wantrestart)
{
argc1 = s6_svlisten_loop(&foo, 0, 1, or, &deadline, spfd, &s6_svlisten_signal_handler) ;
if (argc1) return argc1 ;
wantup = 1 ;
}
return s6_svlisten_loop(&foo, wantup, wantready, or, &deadline, spfd, &s6_svlisten_signal_handler) ;
}
}
int main (int argc, char const *const *argv)
{
tain_t deadline, tto ;
unsigned int dirlen ;
char const *live = S6RC_LIVE_BASE ;
char const *compiled = S6RC_COMPILED_BASE ;
PROG = "s6-rc-init" ;
{
unsigned int t = 0 ;
subgetopt_t l = SUBGETOPT_ZERO ;
for (;;)
{
register int opt = subgetopt_r(argc, argv, "c:l:t:", &l) ;
if (opt == -1) break ;
switch (opt)
{
case 'c' : compiled = l.arg ; break ;
case 'l' : live = l.arg ; break ;
case 't' : if (!uint0_scan(l.arg, &t)) dieusage() ; break ;
default : dieusage() ;
}
}
argc -= l.ind ; argv += l.ind ;
if (t) tain_from_millisecs(&tto, t) ;
else tto = tain_infinite_relative ;
}
if (!argc) dieusage() ;
if (compiled[0] != '/')
strerr_dief2x(100, compiled, " is not an absolute path") ;
if (live[0] != '/')
strerr_dief2x(100, live, " is not an absolute path") ;
if (argv[0][0] != '/')
strerr_dief2x(100, argv[0], " is not an absolute path") ;
tain_now_g() ;
tain_add_g(&deadline, &tto) ;
if (!s6rc_sanitize_dir(&satmp, live, &dirlen)) dienomem() ;
llen = satmp.len ;
if (!stralloc_cats(&satmp, ":initial") || !stralloc_0(&satmp))
strerr_diefu1sys(111, "stralloc_catb") ;
{
int fdlock ;
int fdcompiled ;
int ok ;
s6rc_db_t db ;
unsigned int n ;
char lfn[llen + 13] ;
char cfn[llen + 23] ;
/* Create the real dir, lock it, symlink */
unlink(live) ;
rm_rf(satmp.s) ;
if (mkdir(satmp.s, 0755) < 0) strerr_diefu2sys(111, "mkdir ", satmp.s) ;
if (!s6rc_lock(satmp.s, 2, &fdlock, 0, 0, 0))
{
char tmp[satmp.len] ;
byte_copy(tmp, satmp.len, satmp.s) ;
cleanup() ;
strerr_diefu2sys(111, "take lock on ", tmp) ;
}
byte_copy(lfn, llen, satmp.s) ;
lfn[llen] = 0 ;
if (symlink(satmp.s + dirlen, lfn) < 0)
{
char tmp[satmp.len - dirlen] ;
byte_copy(tmp, satmp.len - dirlen, satmp.s + dirlen) ;
cleanup() ;
strerr_diefu4sys(111, "symlink ", tmp, " to ", lfn) ;
}
/* compiled */
fdcompiled = open_readb(compiled) ;
if (fdcompiled < 0)
{
cleanup() ;
strerr_diefu2sys(111, "open ", compiled) ;
}
byte_copy(lfn + llen, 10, "/compiled") ;
if (symlink(compiled, lfn) < 0)
{
cleanup() ;
strerr_diefu4sys(111, "symlink ", compiled, " to ", lfn) ;
}
/* scandir */
byte_copy(lfn + llen + 1, 8, "scandir") ;
if (symlink(argv[0], lfn) < 0)
{
cleanup() ;
strerr_diefu4sys(111, "symlink ", argv[0], " to ", lfn) ;
}
/* state */
byte_copy(lfn + llen + 1, 6, "state") ;
{
register int r = s6rc_db_read_sizes(fdcompiled, &db) ;
if (r <= 0)
{
cleanup() ;
if (r < 0) strerr_diefu2sys(111, "read database size in ", compiled) ;
else strerr_dief2x(4, "invalid database size in ", compiled) ;
}
close(fdcompiled) ;
n = db.nshort + db.nlong ;
{
char zero[n] ;
byte_zero(zero, n) ;
if (!openwritenclose_unsafe(lfn, zero, n))
{
cleanup() ;
strerr_diefu2sys(111, "write ", lfn) ;
}
}
}
/* servicedirs */
byte_copy(lfn + llen + 1, 12, "servicedirs") ;
byte_copy(cfn, llen + 1, lfn) ;
byte_copy(cfn + llen + 1, 21, "compiled/servicedirs") ;
if (!hiercopy(cfn, lfn))
{
cleanup() ;
strerr_diefu4sys(111, "recursively copy ", cfn, " to ", lfn) ;
}
/* start the supervisors */
lfn[llen] = 0 ;
ok = s6rc_servicedir_manage_g(lfn, &deadline) ;
if (!ok)
{
cleanup() ;
strerr_diefu3sys(111, "supervise service directories in ", lfn, "/servicedirs") ;
}
if (ok & 2)
strerr_warnw3x("s6-svscan not running on ", lfn, "/scandir") ;
}
return 0 ;
}
static int doit (char const *s, unsigned int len)
{
if (delimlen)
{
if (!len--)
{
switch (strictness)
{
case 1 :
case 2 :
strerr_warnw1x("empty line") ;
break ;
case 3 :
buffer_flush(buffer_1) ;
strerr_dief1x(100, "empty line") ;
default : break ;
}
return 1 ;
}
if (byte_chr(delim, delimlen, *s) >= delimlen)
{
switch (strictness)
{
case 0 : return 0 ;
case 1 :
{
strerr_warnw1x("invalid starting quote character") ;
return 0 ;
}
case 2 :
{
char fmt[40] ;
unsigned int n = len < 39 ? len+1 : 36 ;
byte_copy(fmt, n, s) ;
if (len >= 39)
{
byte_copy(fmt+n, 3, "...") ;
n += 3 ;
}
fmt[n] = 0 ;
strerr_warnw3x("invalid starting quote character", " in line: ", fmt) ;
return 0 ;
}
case 3 :
{
buffer_flush(buffer_1) ;
strerr_dief1x(100, "invalid starting quote character") ;
}
default : strerr_dief1x(101, "can't happen: unknown strictness") ;
}
}
}
{
unsigned int r, w ;
char d[len] ;
if (!string_unquote_withdelim(d, &w, s + !!delimlen, len, &r, delim, delimlen))
{
switch (strictness)
{
case 0 : return 0 ;
case 1 :
{
strerr_warnwu1sys("unquote") ;
return 0 ;
}
case 2 :
{
char fmt[40] ;
unsigned int n = (len + !!delimlen) < 40 ? (len + !!delimlen) : 36 ;
byte_copy(fmt, n, s) ;
if ((len + !!delimlen) >= 40)
{
byte_copy(fmt+n, 3, "...") ;
n += 3 ;
}
fmt[n] = 0 ;
strerr_warnwu3sys("unquote", " line: ", fmt) ;
return 0 ;
}
case 3 :
{
int e = errno ;
buffer_flush(buffer_1) ;
errno = e ;
strerr_diefu1sys(100, "unquote") ;
}
default : strerr_dief1x(101, "can't happen: unknown strictness") ;
}
}
if (delimlen)
{
if (r == len)
{
switch (strictness)
{
case 0 : return 0 ;
case 1 :
{
strerr_warnwu2x("unquote", ": no ending quote character") ;
return 0 ;
}
case 2 :
{
char fmt[40] ;
unsigned int n = len < 40 ? len : 36 ;
byte_copy(fmt, n, s) ;
if (len >= 40)
{
byte_copy(fmt+n, 3, "...") ;
n += 3 ;
}
fmt[n] = 0 ;
strerr_warnwu5x("unquote", ": no ending quote character", " in ", "line: ", fmt) ;
return 0 ;
}
case 3 :
{
int e = errno ;
buffer_flush(buffer_1) ;
errno = e ;
strerr_diefu2x(100, "unquote", ": no ending quote character") ;
}
default : strerr_dief1x(101, "can't happen: unknown strictness") ;
}
}
else if ((r < len-1) && (strictness >= 2))
{
char fmtnum[UINT_FMT] ;
char fmtden[UINT_FMT] ;
char fmt[40] ;
unsigned int n = len < 39 ? len+1 : 36 ;
byte_copy(fmt, n, s) ;
if (len >= 39)
{
byte_copy(fmt+n, 3, "...") ;
n += 3 ;
}
fmt[n] = 0 ;
fmtnum[uint_fmt(fmtnum, r+1)] = 0 ;
fmtden[uint_fmt(fmtden, len)] = 0 ;
strerr_warnw7x("found ending quote character at position ", fmtnum, "/", fmtden, ", ignoring remainder of ", "line: ", fmt) ;
}
}
if (buffer_putalign(buffer_1, d, w) < (int)w)
strerr_diefu1sys(111, "write to stdout") ;
}
return 1 ;
}