fbbd9655e5
Renumber cluase 4 to 3, per what everybody else did when BSD granted them permission to remove clause 3. My insistance on keeping the same numbering for legal reasons is too pedantic, so give up on that point. Submitted by: Jan Schaumann <jschauma@stevens.edu> Pull Request: https://github.com/freebsd/freebsd/pull/96
142 lines
5.0 KiB
C
142 lines
5.0 KiB
C
/*
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* Copyright (c) 1983, 1991, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <sys/time.h>
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#include <sys/socket.h>
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#include <sys/un.h>
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#include <sys/queue.h>
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#include <netinet/in.h>
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#include <stdio.h>
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#define BUFSIZE 8192
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#define LINESIZ 72
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#define NORM_TYPE 0
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#define MUX_TYPE 1
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#define MUXPLUS_TYPE 2
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#define FAITH_TYPE 4
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#define ISMUX(sep) (((sep)->se_type == MUX_TYPE) || \
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((sep)->se_type == MUXPLUS_TYPE))
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#define ISMUXPLUS(sep) ((sep)->se_type == MUXPLUS_TYPE)
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struct procinfo {
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LIST_ENTRY(procinfo) pr_link;
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pid_t pr_pid; /* child pid */
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struct conninfo *pr_conn;
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};
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struct conninfo {
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LIST_ENTRY(conninfo) co_link;
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struct sockaddr_storage co_addr; /* source address */
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int co_numchild; /* current number of children */
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struct procinfo **co_proc; /* array of child proc entry */
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};
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#define PERIPSIZE 256
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struct servtab {
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char *se_service; /* name of service */
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int se_socktype; /* type of socket to use */
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int se_family; /* address family */
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char *se_proto; /* protocol used */
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int se_maxchild; /* max number of children */
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int se_maxcpm; /* max connects per IP per minute */
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int se_numchild; /* current number of children */
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pid_t *se_pids; /* array of child pids */
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char *se_user; /* user name to run as */
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char *se_group; /* group name to run as */
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#ifdef LOGIN_CAP
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char *se_class; /* login class name to run with */
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#endif
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struct biltin *se_bi; /* if built-in, description */
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char *se_server; /* server program */
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char *se_server_name; /* server program without path */
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#define MAXARGV 20
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char *se_argv[MAXARGV+1]; /* program arguments */
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#ifdef IPSEC
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char *se_policy; /* IPsec policy string */
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#endif
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int se_fd; /* open descriptor */
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union { /* bound address */
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struct sockaddr se_un_ctrladdr;
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struct sockaddr_in se_un_ctrladdr4;
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struct sockaddr_in6 se_un_ctrladdr6;
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struct sockaddr_un se_un_ctrladdr_un;
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} se_un;
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#define se_ctrladdr se_un.se_un_ctrladdr
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#define se_ctrladdr4 se_un.se_un_ctrladdr4
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#define se_ctrladdr6 se_un.se_un_ctrladdr6
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#define se_ctrladdr_un se_un.se_un_ctrladdr_un
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socklen_t se_ctrladdr_size;
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uid_t se_sockuid; /* Owner for unix domain socket */
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gid_t se_sockgid; /* Group for unix domain socket */
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mode_t se_sockmode; /* Mode for unix domain socket */
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u_char se_type; /* type: normal, mux, or mux+ */
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u_char se_checked; /* looked at during merge */
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u_char se_accept; /* i.e., wait/nowait mode */
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u_char se_rpc; /* ==1 if RPC service */
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int se_rpc_prog; /* RPC program number */
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u_int se_rpc_lowvers; /* RPC low version */
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u_int se_rpc_highvers; /* RPC high version */
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int se_count; /* number started since se_time */
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struct timespec se_time; /* start of se_count */
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struct servtab *se_next;
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struct se_flags {
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u_int se_nomapped : 1;
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u_int se_reset : 1;
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} se_flags;
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int se_maxperip; /* max number of children per src */
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LIST_HEAD(, conninfo) se_conn[PERIPSIZE];
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};
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#define se_nomapped se_flags.se_nomapped
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#define se_reset se_flags.se_reset
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int check_loop(const struct sockaddr *, const struct servtab *sep);
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void inetd_setproctitle(const char *, int);
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struct servtab *tcpmux(int);
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extern int debug;
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extern struct servtab *servtab;
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typedef void (bi_fn_t)(int, struct servtab *);
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struct biltin {
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const char *bi_service; /* internally provided service name */
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int bi_socktype; /* type of socket supported */
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short bi_fork; /* 1 if should fork before call */
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int bi_maxchild; /* max number of children, -1=default */
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bi_fn_t *bi_fn; /* function which performs it */
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};
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extern struct biltin biltins[];
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