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/* $OpenBSD: map.c,v 1.27 2012/05/29 19:53:10 gilles Exp $ */
/*
* Copyright (c) 2008 Gilles Chehade <gilles@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <sys/queue.h>
#include <sys/tree.h>
#include <sys/param.h>
#include <sys/socket.h>
#include <event.h>
#include <imsg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "smtpd.h"
#include "log.h"
struct map_backend *map_backend_lookup(enum map_src);
extern struct map_backend map_backend_static;
extern struct map_backend map_backend_db;
extern struct map_backend map_backend_stdio;
struct map_backend *
map_backend_lookup(enum map_src source)
{
switch (source) {
case S_NONE:
return &map_backend_static;
case S_DB:
return &map_backend_db;
case S_PLAIN:
return &map_backend_stdio;
default:
fatalx("invalid map type");
}
return NULL;
}
struct map *
map_findbyname(const char *name)
{
struct map *m;
TAILQ_FOREACH(m, env->sc_maps, m_entry) {
if (strcmp(m->m_name, name) == 0)
break;
}
return (m);
}
struct map *
map_find(objid_t id)
{
struct map *m;
TAILQ_FOREACH(m, env->sc_maps, m_entry) {
if (m->m_id == id)
break;
}
return (m);
}
void *
map_lookup(objid_t mapid, char *key, enum map_kind kind)
{
void *hdl = NULL;
char *ret = NULL;
struct map *map;
struct map_backend *backend = NULL;
map = map_find(mapid);
if (map == NULL)
return NULL;
backend = map_backend_lookup(map->m_src);
hdl = backend->open(map);
if (hdl == NULL) {
log_warn("map_lookup: can't open %s", map->m_config);
return NULL;
}
ret = backend->lookup(hdl, key, kind);
backend->close(hdl);
return ret;
}
int
map_compare(objid_t mapid, char *key, enum map_kind kind,
int (*func)(char *, char *))
{
void *hdl = NULL;
struct map *map;
struct map_backend *backend = NULL;
int ret;
map = map_find(mapid);
if (map == NULL)
return 0;
backend = map_backend_lookup(map->m_src);
hdl = backend->open(map);
if (hdl == NULL) {
log_warn("map_lookup: can't open %s", map->m_config);
return 0;
}
ret = backend->compare(hdl, key, kind, func);
backend->close(hdl);
return ret;
}
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