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/* ISC license. */
#include <skalibs/nonposix.h>
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
#include <errno.h>
#include <skalibs/uint64.h>
#include <skalibs/envexec.h>
#include <skalibs/bytestr.h>
#include <skalibs/direntry.h>
#include <skalibs/buffer.h>
#include <s6-rc/config.h>
#include <s6-rc/repo.h>
#define USAGE "s6-rc-set-status [ -v verbosity ] [ -r repo ] [ -E | -e ] set services..."
#define dieusage() strerr_dieusage(100, USAGE)
#define dieout() strerr_diefu1sys(111, "write to stdout")
enum golb_e
{
GOLB_IGNORE_ESSENTIALS = 0x01,
GOLB_NOSUB = 0x02,
} ;
enum gola_e
{
GOLA_VERBOSITY,
GOLA_REPODIR,
GOLA_N
} ;
int main (int argc, char const **argv)
{
static gol_bool const rgolb[] =
{
{ .so = 'E', .lo = "with-essentials", .clear = GOLB_IGNORE_ESSENTIALS, .set = 0 },
{ .so = 'e', .lo = "without-essentials", .clear = 0, .set = GOLB_IGNORE_ESSENTIALS },
{ .so = 'L', .lo = "list", .clear = 0, .set = GOLB_NOSUB },
} ;
static gol_arg const rgola[] =
{
{ .so = 'v', .lo = "verbosity", .i = GOLA_VERBOSITY },
{ .so = 'r', .lo = "repodir", .i = GOLA_REPODIR }
} ;
int fdlock ;
unsigned int verbosity = 1 ;
uint64_t wgolb = 0 ;
char const *setname ;
char const *wgola[GOLA_N] = { 0 } ;
unsigned int golc ;
uint8_t sub ;
PROG = "s6-rc-set-status" ;
wgola[GOLA_REPODIR] = S6RC_REPODIR ;
golc = GOL_main(argc, argv, rgolb, rgola, &wgolb, wgola) ;
argc -= golc ; argv += golc ;
if (argc < 2) dieusage() ;
setname = *argv++ ; argc-- ;
if (wgola[GOLA_VERBOSITY] && !uint0_scan(wgola[GOLA_VERBOSITY], &verbosity))
strerr_dief1x(100, "verbosity needs to be an unsigned integer") ;
if (strchr(setname, '/') || strchr(setname, '\n'))
strerr_dief2x(100, "set", " names cannot contain / or newlines") ;
for (unsigned int i = 0 ; i < argc ; i++)
{
if (argv[i][0] == '.')
strerr_dief2x(100, "service", " names cannot start with a dot") ;
if (strchr(argv[i], '/') || strchr(argv[i], '\n'))
strerr_dief2x(100, "service", " names cannot contain / or newlines") ;
}
fdlock = s6rc_repo_lock(wgola[GOLA_REPODIR], 1) ;
if (fdlock == -1) strerr_diefu2sys(111, "lock ", wgola[GOLA_REPODIR]) ;
{
int e = s6rc_repo_checkset(wgola[GOLA_REPODIR], setname) ;
if (e) _exit(e) ;
}
qsort(argv, argc, sizeof(char const *), &str_cmp) ;
size_t repolen = strlen(wgola[GOLA_REPODIR]) ;
size_t setlen = strlen(setname) ;
char fn[repolen + setlen + 17] ;
memcpy(fn, wgola[GOLA_REPODIR], repolen) ;
memcpy(fn + repolen, "/sources/", 9) ;
memcpy(fn + repolen + 9, setname, setlen) ;
fn[repolen + 9 + setlen] = '/' ;
sub = wgolb & GOLB_IGNORE_ESSENTIALS ? 3 : 4 ;
while (sub--)
{
memcpy(fn + repolen + 10 + setlen, s6rc_repo_subnames[sub], 7) ;
DIR *dir = opendir(fn) ;
if (!dir) strerr_diefu2sys(111, "opendir ", fn) ;
for (;;)
{
direntry *d ;
errno = 0 ;
d = readdir(dir) ;
if (!d) break ;
if (d->d_name[0] == '.') continue ;
if (argc && !bsearch(d->d_name, argv, argc, sizeof(char const *), &str_bcmp)) continue ;
if (buffer_puts(buffer_1, d->d_name) < 0) dieout() ;
if (!(wgolb & GOLB_NOSUB))
if (buffer_put(buffer_1, "/", 1) < 0
|| buffer_put(buffer_1, s6rc_repo_subnames[sub], 6) < 0) dieout() ;
if (buffer_put(buffer_1, "\n", 1) < 0) dieout() ;
}
if (errno) strerr_diefu2sys(111, "readdir ", fn) ;
dir_close(dir) ;
}
if (!buffer_flush(buffer_1)) strerr_diefu1sys(111, "write to stdout") ;
_exit(0) ;
}
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