mirror of
https://github.com/troglobit/finit.git
synced 2026-10-01 13:33:09 +07:00
Tobias Waldekranz
2555fe8e96
Flush any existing filter rules when a configuration file is updated. Otherwise filters are simply appended to the old configuration which can cause finit to accept connections on interfaces that are blocked in the new configuration.
81 lines
2.6 KiB
C
81 lines
2.6 KiB
C
/* Classic inetd services launcher for Finit
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*
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* Copyright (c) 2015 Joachim Nilsson <troglobit@gmail.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef FINIT_INETD_H_
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#define FINIT_INETD_H_
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#include <netdb.h>
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#include <net/if.h>
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#include "queue.h"
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#include "libuev/uev.h"
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typedef struct svc svc_t;
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typedef struct inetd_filter {
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TAILQ_ENTRY(inetd_filter) link;
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int deny; /* 0:allow, 1:deny */
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char ifname[IFNAMSIZ]; /* E.g., eth0 */
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} inetd_filter_t;
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typedef struct {
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uev_t watcher;
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svc_t *svc; /* svc_t pointer for the socket callback */
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int type; /* Socket type: SOCK_STREAM/SOCK_DGRAM */
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int std; /* Standard proto/port from /etc/services */
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int proto;
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int port;
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int forking;
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int next_id; /* Next child job's id */
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char name[10];
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int (*cmd)(int type); /* internal inetd service, like 'time' */
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TAILQ_HEAD(, inetd_filter) filters;
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} inetd_t;
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int inetd_start (inetd_t *inetd);
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void inetd_stop (inetd_t *inetd);
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int inetd_new (inetd_t *inetd, char *name, char *service, char *proto,
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int forking, svc_t *svc);
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int inetd_del (inetd_t *inetd);
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int inetd_match (inetd_t *inetd, char *service, char *proto);
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int inetd_filter_str (inetd_t *inetd, char *str, size_t len);
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int inetd_flush (inetd_t *inetd);
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int inetd_allow (inetd_t *inetd, char *ifname);
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int inetd_deny (inetd_t *inetd, char *ifname);
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int inetd_is_allowed (inetd_t *inetd, char *ifname);
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#endif /* FINIT_INETD_H_ */
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/**
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* Local Variables:
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* version-control: t
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* indent-tabs-mode: t
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* c-file-style: "linux"
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* End:
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*/
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