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/*
* 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 TTCP_TYPE 3
#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)
#define ISTTCP(sep) ((sep)->se_type == TTCP_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 timeval 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);
int getvalue(const char *, int *, const char *);
char *newstr(const char *);
void inetd_setproctitle(const char *, int);
void print_service(const char *, const struct servtab *);
char *sskip(char **);
char *skip(char **);
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 */
};
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