static dav_error * dav_generic_has_locks(dav_lockdb *lockdb,
const dav_resource *resource,
int *locks_present)
{
dav_error *err;
apr_datum_t key;
*locks_present = 0;
if ((err = dav_generic_really_open_lockdb(lockdb)) != NULL) {
/* ### insert a higher-level error description */
return err;
}
/*
* If we opened readonly and the db wasn't there, then there are no
* locks for this resource. Just exit.
*/
if (lockdb->info->db == NULL)
return NULL;
key = dav_generic_build_key(lockdb->info->pool, resource);
*locks_present = apr_dbm_exists(lockdb->info->db, key);
return NULL;
}
static apr_status_t htdbm_del(htdbm_t *htdbm)
{
apr_datum_t key;
key.dptr = htdbm->username;
key.dsize = strlen(htdbm->username);
if (!apr_dbm_exists(htdbm->dbm, key))
return APR_ENOENT;
return apr_dbm_delete(htdbm->dbm, key);
}
static ftpd_chroot_status_t ftpd_dbm_map_chroot(const request_rec *r,
const char **chroot,
const char **initroot)
{
apr_status_t res;
apr_dbm_t *file;
ftpd_chroot_status_t ret = FTPD_CHROOT_USER_NOT_FOUND;
apr_datum_t key,val = { 0 };
char *value, *tok, *tok_ses;
ftpd_user_rec *ur __attribute__ ((unused))= ftpd_get_user_rec(r);
ftpd_dbm_server_conf *pConfig = ap_get_module_config(r->server->module_config,
&ftpd_dbm_module);
if ((res = apr_dbm_open_ex(&file, pConfig->dbtype, pConfig->chrootdb_path,
APR_DBM_READONLY, APR_OS_DEFAULT, r->pool))
!= APR_SUCCESS) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, res, r,
"Error opening DBM file: %s",pConfig->chrootdb_path);
ret = FTPD_CHROOT_FAIL;
} else {
if (file != NULL) {
/* search the DB */
key.dptr = r->user;
key.dsize = strlen(key.dptr);
if (apr_dbm_exists(file, key)) {
if (apr_dbm_fetch(file, key, &val) == APR_SUCCESS) {
value = apr_pstrndup(r->pool, val.dptr, val.dsize);
tok = apr_strtok(value, ":", &tok_ses);
if (tok != NULL) {
*chroot = apr_pstrdup(r->pool, tok);
tok = apr_strtok(NULL, ":", &tok_ses);
if (tok != NULL) {
*initroot = apr_pstrdup(r->pool, tok);
}
ret = FTPD_CHROOT_USER_FOUND;
} else {
ret = FTPD_CHROOT_FAIL;
}
}
}
apr_dbm_close(file);
} else {
ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r,
"File open failed: %s",pConfig->chrootdb_path);
ret = FTPD_CHROOT_FAIL;
}
}
return ret;
}
static apr_status_t htdbm_verify(htdbm_t *htdbm)
{
apr_datum_t key, val;
char *pwd;
char *rec, *cmnt;
key.dptr = htdbm->username;
key.dsize = strlen(htdbm->username);
if (!apr_dbm_exists(htdbm->dbm, key))
return APR_ENOENT;
if (apr_dbm_fetch(htdbm->dbm, key, &val) != APR_SUCCESS)
return APR_ENOENT;
rec = apr_pstrndup(htdbm->ctx.pool, val.dptr, val.dsize);
cmnt = strchr(rec, ':');
if (cmnt)
pwd = apr_pstrndup(htdbm->ctx.pool, rec, cmnt - rec);
else
pwd = apr_pstrdup(htdbm->ctx.pool, rec);
return apr_password_validate(htdbm->ctx.passwd, pwd);
}
static apr_status_t htdbm_save(htdbm_t *htdbm, int *changed)
{
apr_datum_t key, val;
if (!htdbm->username)
return APR_SUCCESS;
key.dptr = htdbm->username;
key.dsize = strlen(htdbm->username);
if (apr_dbm_exists(htdbm->dbm, key))
*changed = 1;
val.dsize = strlen(htdbm->ctx.passwd);
if (!htdbm->comment)
val.dptr = htdbm->ctx.passwd;
else {
val.dptr = apr_pstrcat(htdbm->ctx.pool, htdbm->ctx.passwd, ":",
htdbm->comment, NULL);
val.dsize += (strlen(htdbm->comment) + 1);
}
return apr_dbm_store(htdbm->dbm, key, val);
}
int dav_dbm_exists(dav_db *db, apr_datum_t key)
{
return apr_dbm_exists(db->file, key);
}
