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/* ISC license. */
#include <sys/stat.h>
#include <errno.h>
#include <string.h>
#include <unistd.h>
#include <stdlib.h> /* mkdtemp */
#include <skalibs/stralloc.h>
#include <skalibs/djbunix.h>
#include <s6-rc/s6rc-utils.h>
int s6rc_livedir_create (stralloc *sa, char const *live, char const *suffix, char const *scandir, char const *prefix, char const *compiled, unsigned char const *state, unsigned int statelen, size_t *dirlen)
{
size_t newlen, ddirlen ;
size_t sabase = sa->len ;
int wasnull = !sa->s ;
if (!s6rc_sanitize_dir(sa, live, &ddirlen)) return 0 ;
if (!stralloc_cats(sa, ":")) goto err ;
if (!stralloc_cats(sa, suffix)) goto err ;
if (!stralloc_cats(sa, ":XXXXXX")) goto err ;
if (!stralloc_0(sa)) goto err ;
if (!mkdtemp(sa->s + sabase)) goto err ;
newlen = sa->len-- ;
if (chmod(sa->s + sabase, 0755) < 0) goto delerr ;
if (!stralloc_catb(sa, "/servicedirs", 13)) goto delerr ; /* allocates enough for the next strcpys */
if (mkdir(sa->s + sabase, 0755) < 0) goto delerr ;
strcpy(sa->s + newlen, "compiled") ;
if (symlink(compiled, sa->s + sabase) < 0) goto delerr ;
strcpy(sa->s + newlen, "scandir") ;
if (symlink(scandir, sa->s + sabase) < 0) goto delerr ;
strcpy(sa->s + newlen, "prefix") ;
if (!openwritenclose_unsafe(sa->s + sabase, prefix, strlen(prefix))) goto delerr ;
strcpy(sa->s + newlen, "state") ;
if (!openwritenclose_unsafe(sa->s + sabase, (char const *)state, statelen)) goto delerr ;
sa->len = newlen-1 ;
sa->s[newlen-1] = 0 ;
*dirlen = ddirlen ;
return 1 ;
delerr:
{
int e = errno ;
sa->s[newlen] = 0 ;
rm_rf_in_tmp(sa, sabase) ;
errno = e ;
}
err:
if (wasnull) stralloc_free(sa) ;
else sa->len = sabase ;
return 0 ;
}
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