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