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/* ISC license. */
#include <skalibs/bsdsnowflake.h>
#include <skalibs/nonposix.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include <skalibs/stat.h>
#include <skalibs/direntry.h>
#include <skalibs/strerr.h>
#include <skalibs/stralloc.h>
#include <skalibs/djbunix.h>
#include <skalibs/skamisc.h>
#include <s6-rc/repo.h>
int s6rc_repo_makedefbundle (char const *repo, char const *set, char const *bundle)
{
size_t repolen = strlen(repo) ;
size_t setlen = strlen(set) ;
size_t bundlelen = strlen(bundle) ;
size_t bfnlen = repolen + setlen + bundlelen + 28 ;
mode_t m ;
DIR *dir ;
char bfn[bfnlen + 1] ;
char rxfn[repolen + setlen + 17] ;
memcpy(bfn, repo, repolen) ;
memcpy(bfn + repolen, "/sources/.atomics/", 18) ;
memcpy(bfn + repolen + 18, bundle, bundlelen + 1) ;
if (access(bfn, F_OK) == 0) goto errexists ;
if (errno != ENOENT)
{
strerr_warnfu2sys("check existence of ", bfn) ;
return 0 ;
}
memcpy(bfn + repolen + 10, "bundle", 6) ;
if (access(bfn, F_OK) == 0) goto errexists ;
if (errno != ENOENT)
{
strerr_warnfu2sys("check existence of ", bfn) ;
return 0 ;
}
memcpy(bfn + repolen + 9, set, setlen) ;
memcpy(bfn + repolen + 9 + setlen, "/bundle/", 8) ;
memcpy(bfn + repolen + 17 + setlen, bundle, bundlelen + 1) ;
m = umask(0) ;
if (mkdir(bfn, 02755) == -1)
{
if (errno != EEXIST) strerr_warnfu2sys("mkdir ", bfn) ;
else strerr_warnf6x("bundle ", bundle, " is already defined in set ", set, " of repository ", repo) ;
umask(m) ;
return 0 ;
}
memcpy(bfn + repolen + setlen + 17 + bundlelen, "/contents.d", 12) ;
if (mkdir(bfn, 02755) == -1)
{
strerr_warnfu2sys("mkdir ", bfn) ;
umask(m) ;
return 0 ;
}
umask(m) ;
memcpy(bfn + repolen + setlen + 18 + bundlelen, "type", 5) ;
if (!openwritenclose_unsafe(bfn, "bundle\n", 7))
{
strerr_warnfu2sys("write to ", bfn) ;
return 0 ;
}
memcpy(bfn + repolen + setlen + 18 + bundlelen, "contents.d/", 11) ;
memcpy(rxfn, bfn, repolen + 10 + setlen) ;
for (uint8_t rx = 2 ; rx < 4 ; rx++)
{
memcpy(rxfn + repolen + 10 + setlen, s6rc_repo_rxnames[rx], 7) ;
dir = opendir(rxfn) ;
if (!dir)
{
strerr_warnfu2sys("opendir ", rxfn) ;
return 0 ;
}
for (;;)
{
size_t len ;
direntry *d ;
errno = 0 ;
d = readdir(dir) ;
if (!d) break ;
if (d->d_name[0] == '.') continue ;
len = strlen(d->d_name) ;
char fn[bfnlen + len + 2] ;
memcpy(fn, bfn, bfnlen + 1) ;
memcpy(fn + bfnlen + 1, d->d_name, len + 1) ;
if (!openwritenclose_unsafe(fn, "", 0))
{
strerr_warnfu2sys("write to ", fn) ;
dir_close(dir) ;
return 0 ;
}
}
dir_close(dir) ;
if (errno)
{
strerr_warnfu2sys("readdir ", rxfn) ;
return 0 ;
}
}
return 1 ;
errexists:
if (sareadlink(&satmp, bfn) == -1)
{
strerr_warnfu2sys("readlink ", bfn) ;
return 0 ;
}
if (!stralloc_0(&satmp))
{
strerr_warnfu1sys("stralloc_catb ") ;
satmp.len = 0 ;
return 0 ;
}
strerr_warnf4x("bundle ", bundle, " is already defined at ", satmp.s) ;
satmp.len = 0 ;
return 0 ;
}
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