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/* ISC license. */
#include <errno.h>
#include <string.h>
#include <skalibs/lolstdio.h>
#include <tipidee/conf.h>
#include <skalibs/posixishard.h>
static int get_redir (tipidee_conf const *conf, size_t minl, char *key, size_t l, char const *path, tipidee_redirection *r)
{
char const *v = 0 ;
key[0] = 'R' ;
key[l] = '/' ;
errno = ENOENT ;
while (!v)
{
if (errno != ENOENT) return -1 ;
while (l >= minl && key[l] != '/') l-- ;
if (l < minl) break ;
key[l--] = 0 ;
v = tipidee_conf_get_string(conf, key) ;
key[0] = 'r' ;
}
if (!v) return 0 ;
if (v[0] < '@' || v[0] > 'C') return (errno = EPROTO, -1) ;
r->type = v[0] & ~'@' ;
r->location = v+1 ;
r->sub = path + (l - minl + 1) ;
LOLDEBUG("get_redir: found redirection of type %c to %s with sub %s", v[0], r->location, r->sub) ;
return 1 ;
}
int tipidee_conf_get_redirection (tipidee_conf const *conf, char const *docroot, size_t docrootlen, char const *path, tipidee_redirection *r)
{
size_t pathlen = strlen(path) ;
char key[docrootlen + pathlen + 3] ;
key[1] = ':' ;
memcpy(key + 2, docroot, docrootlen) ;
memcpy(key + 2 + docrootlen, path, pathlen + 1) ;
{
int e = get_redir(conf, 2 + docrootlen, key, 2 + docrootlen + pathlen, path, r) ;
if (e) return e ;
}
{
char *p = memchr(docroot, ':', docrootlen) ;
if (!p) return 0 ;
docrootlen = p - docroot ;
}
memcpy(key + 2, docroot, docrootlen) ;
memcpy(key + 2 + docrootlen, path, pathlen + 1) ;
return get_redir(conf, 2 + docrootlen, key, 2 + docrootlen + pathlen, path, r) ;
}
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