Add pt_tcplisten.c functionality, fix a few minor bugs

PR:             kern/8793, misc/8796, kern/8797, kern/8798, kern/8050, kern/6758
Submitted by:	Duncan Barclay <dmlb@ragnet.demon.co.uk>
This commit is contained in:
Matthew Dillon 1998-12-15 18:59:07 +00:00
parent e3b3ba2d79
commit a16800d862
Notes: svn2git 2020-12-20 02:59:44 +00:00
svn path=/head/; revision=41828
21 changed files with 702 additions and 33 deletions

View File

@ -1,9 +1,9 @@
# From: @(#)Makefile 8.3 (Berkeley) 3/27/94
# $Id: Makefile,v 1.7 1997/03/11 12:34:55 peter Exp $
# $Id: Makefile,v 1.8 1998/01/20 10:40:04 bde Exp $
PROG= mount_portal
SRCS= mount_portal.c activate.c conf.c getmntopts.c pt_conf.c \
pt_exec.c pt_file.c pt_tcp.c
pt_exec.c pt_file.c pt_tcp.c pt_tcplisten.c
MAN8= mount_portal.8
MOUNT= ${.CURDIR}/../mount

View File

@ -35,7 +35,7 @@
.\" SUCH DAMAGE.
.\"
.\" @(#)mount_portal.8 8.3 (Berkeley) 3/27/94
.\" $Id$
.\" $Id: mount_portal.8,v 1.3 1998/07/06 07:19:25 charnier Exp $
.\"
.Dd March 27, 1994
.Dt MOUNT_PORTAL 8
@ -89,11 +89,22 @@ to the calling process as the result of the open system call.
By convention, the portal daemon divides the namespace into sub-namespaces,
each of which handles objects of a particular type.
.Pp
Currently, two sub-namespaces are implemented:
The following sub-namespaces are currently implemented:
.Pa tcplisten ,
.Pa tcp
and
.Pa fs .
The
.Pa tcplisten
namespace takes a slash separated hostname and port and creates a TCP/IP
socket bound to the given hostname-port pair. The hostname may be
specified as "ANY" to allow any other host to connect to the socket. A
port number of 0 will dynamically allocate a port, this can be
discovered by calling
.Xr getsockname 8
with the returned file descriptor. Privilaged ports can only be bound to
by the super-user.
The
.Pa tcp
namespace takes a hostname and a port (slash separated) and
creates an open TCP/IP connection.
@ -116,6 +127,7 @@ tells the daemon what type of object to create.
Subsequent fields are passed to the creation function.
.Bd -literal
# @(#)portal.conf 5.1 (Berkeley) 7/13/92
tcplisten/ tcplisten tcplisten/
tcp/ tcp tcp/
fs/ file fs/
.Ed

View File

@ -45,7 +45,7 @@ char copyright[] =
static char sccsid[] = "@(#)mount_portal.c 8.6 (Berkeley) 4/26/95";
#endif
static const char rcsid[] =
"$Id$";
"$Id: mount_portal.c,v 1.13 1998/07/06 07:19:25 charnier Exp $";
#endif /* not lint */
#include <sys/param.h>
@ -190,7 +190,9 @@ main(argc, argv)
/*
* Everything is ready to go - now is a good time to fork
*/
#ifndef DEBUG
daemon(0, 0);
#endif
/*
* Start logging (and change name)

View File

@ -36,7 +36,7 @@
*
* @(#)portald.h 8.1 (Berkeley) 6/5/93
*
* $Id$
* $Id: portald.h,v 1.3 1997/02/22 14:32:55 peter Exp $
*/
#include <sys/cdefs.h>
@ -73,6 +73,8 @@ extern int portal_file __P((struct portal_cred *,
char *key, char **v, int so, int *fdp));
extern int portal_tcp __P((struct portal_cred *,
char *key, char **v, int so, int *fdp));
extern int portal_tcplisten __P((struct portal_cred *,
char *key, char **v, int so, int *fdp));
/*
* Global functions

View File

@ -39,7 +39,7 @@
#ifndef lint
static const char rcsid[] =
"$Id$";
"$Id: pt_conf.c,v 1.4 1998/07/06 07:19:25 charnier Exp $";
#endif /* not lint */
#include <sys/types.h>
@ -50,5 +50,6 @@ provider providers[] = {
{ "exec", portal_exec },
{ "file", portal_file },
{ "tcp", portal_tcp },
{ "tcplisten", portal_tcplisten },
{ 0, 0 }
};

View File

@ -39,7 +39,7 @@
#ifndef lint
static const char rcsid[] =
"$Id$";
"$Id: pt_tcp.c,v 1.7 1998/07/06 07:19:27 charnier Exp $";
#endif /* not lint */
#include <errno.h>
@ -124,16 +124,16 @@ int portal_tcp(pcr, key, v, kso, fdp)
#endif
sp = getservbyname(port, "tcp");
if (sp != NULL)
if (sp != NULL) {
s_port = (u_short)sp->s_port;
else {
} else {
s_port = strtoul(port, &p, 0);
if (s_port == 0 || *p != '\0')
return (EINVAL);
s_port = htons(s_port);
}
#ifdef DEBUG
printf ("port number for %s is %d\n", port, ntohs(s_port));
printf ("port number for %s is %d\n", port, (int)ntohs(s_port));
#endif
memset(&sain, 0, sizeof(sain));

View File

@ -0,0 +1,206 @@
/*
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
* All rights reserved.
*
* This code is derived from software donated to Berkeley by
* Jan-Simon Pendry.
*
* Modified by Duncan Barclay.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 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.
*
* @(#)pt_tcp.c 8.3 (Berkeley) 3/27/94
*
* pt_tcp.c,v 1.1.1.1 1994/05/26 06:34:34 rgrimes Exp
*/
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <errno.h>
#include <strings.h>
#include <sys/types.h>
#include <sys/param.h>
#include <sys/syslog.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#include "portald.h"
/*
* Key will be tcplisten/host/port
*
* Create a TCP socket bound to the requested host and port.
* If the host is "ANY" the receving address will be set to INADDR_ANY.
* If the port is 0 the caller must find out the returned port number
* using a call to getsockname.
*
* XXX! The owner of the socket will be root rather then the user. This
* may cause remote auth (identd) to return unexpected results.
*
*/
int portal_tcplisten(pcr, key, v, kso, fdp)
struct portal_cred *pcr;
char *key;
char **v;
int kso;
int *fdp;
{
char host[MAXHOSTNAMELEN];
char port[MAXHOSTNAMELEN];
char *p = key + (v[1] ? strlen(v[1]) : 0);
char *q;
struct hostent *hp;
struct servent *sp;
struct in_addr **ipp;
struct in_addr *ip[2];
struct in_addr ina;
u_short s_port;
int any = 0;
struct sockaddr_in sain;
q = strchr(p, '/');
if (q == 0 || q - p >= sizeof(host))
return (EINVAL);
*q = '\0';
snprintf(host, sizeof(host), "%s", p);
p = q + 1;
q = strchr(p, '/');
if (q)
*q = '\0';
if (strlen(p) >= sizeof(port))
return (EINVAL);
snprintf(port, sizeof(port), "%s", p);
if (strcmp(host, "ANY") == 0) {
any = 1;
} else {
hp = gethostbyname(host);
if (hp != 0) {
ipp = (struct in_addr **) hp->h_addr_list;
} else {
ina.s_addr = inet_addr(host);
if (ina.s_addr == INADDR_NONE)
return (EINVAL);
ip[0] = &ina;
ip[1] = 0;
ipp = ip;
}
}
#ifdef DEBUG
if (any)
printf("INADDR_ANY to be used for hostname\n");
else
printf("inet address for %s is %s\n", host, inet_ntoa(*ipp[0]));
#endif
sp = getservbyname(port, "tcp");
if (sp != NULL) {
s_port = (u_short) sp->s_port;
} else {
s_port = strtoul(port, &p, 0);
if (*p != '\0')
return (EINVAL);
s_port = htons(s_port);
}
if ((ntohs(s_port) != 0) &&
(ntohs(s_port) <= IPPORT_RESERVED) &&
(pcr->pcr_uid != 0))
return (EPERM);
#ifdef DEBUG
printf("port number for %s is %d\n", port, ntohs(s_port));
#endif
memset(&sain, 0, sizeof(sain));
sain.sin_len = sizeof(sain);
sain.sin_family = AF_INET;
sain.sin_port = s_port;
if (any) {
int so;
int sock;
so = socket(AF_INET, SOCK_STREAM, 0);
if (so < 0) {
syslog(LOG_ERR, "socket: %m");
return (errno);
}
sain.sin_addr.s_addr = INADDR_ANY;
if (bind(so, (struct sockaddr *) &sain, sizeof(sain)) == 0) {
listen(so, 1);
if ((sock = accept(so, (struct sockaddr *)0, (int *)0)) == -1) {
syslog(LOG_ERR, "accept: %m");
(void) close(so);
return (errno);
}
*fdp = sock;
(void) close(so);
return (0);
}
syslog(LOG_ERR, "bind: %m");
(void) close(so);
return (errno);
}
while (ipp[0]) {
int so;
int sock;
so = socket(AF_INET, SOCK_STREAM, 0);
if (so < 0) {
syslog(LOG_ERR, "socket: %m");
return (errno);
}
sain.sin_addr = *ipp[0];
if (bind(so, (struct sockaddr *) &sain, sizeof(sain)) == 0) {
listen(so, 1);
if ((sock = accept(so, (struct sockaddr *)0, (int *)0)) == -1) {
syslog(LOG_ERR, "accept: %m");
(void) close(so);
return (errno);
}
*fdp = sock;
(void) close(so);
return (0);
}
(void) close(so);
ipp++;
}
syslog(LOG_ERR, "bind: %m");
return (errno);
}

View File

@ -1,9 +1,9 @@
# From: @(#)Makefile 8.3 (Berkeley) 3/27/94
# $Id: Makefile,v 1.7 1997/03/11 12:34:55 peter Exp $
# $Id: Makefile,v 1.8 1998/01/20 10:40:04 bde Exp $
PROG= mount_portal
SRCS= mount_portal.c activate.c conf.c getmntopts.c pt_conf.c \
pt_exec.c pt_file.c pt_tcp.c
pt_exec.c pt_file.c pt_tcp.c pt_tcplisten.c
MAN8= mount_portal.8
MOUNT= ${.CURDIR}/../mount

View File

@ -35,7 +35,7 @@
.\" SUCH DAMAGE.
.\"
.\" @(#)mount_portal.8 8.3 (Berkeley) 3/27/94
.\" $Id$
.\" $Id: mount_portal.8,v 1.3 1998/07/06 07:19:25 charnier Exp $
.\"
.Dd March 27, 1994
.Dt MOUNT_PORTAL 8
@ -89,11 +89,22 @@ to the calling process as the result of the open system call.
By convention, the portal daemon divides the namespace into sub-namespaces,
each of which handles objects of a particular type.
.Pp
Currently, two sub-namespaces are implemented:
The following sub-namespaces are currently implemented:
.Pa tcplisten ,
.Pa tcp
and
.Pa fs .
The
.Pa tcplisten
namespace takes a slash separated hostname and port and creates a TCP/IP
socket bound to the given hostname-port pair. The hostname may be
specified as "ANY" to allow any other host to connect to the socket. A
port number of 0 will dynamically allocate a port, this can be
discovered by calling
.Xr getsockname 8
with the returned file descriptor. Privilaged ports can only be bound to
by the super-user.
The
.Pa tcp
namespace takes a hostname and a port (slash separated) and
creates an open TCP/IP connection.
@ -116,6 +127,7 @@ tells the daemon what type of object to create.
Subsequent fields are passed to the creation function.
.Bd -literal
# @(#)portal.conf 5.1 (Berkeley) 7/13/92
tcplisten/ tcplisten tcplisten/
tcp/ tcp tcp/
fs/ file fs/
.Ed

View File

@ -45,7 +45,7 @@ char copyright[] =
static char sccsid[] = "@(#)mount_portal.c 8.6 (Berkeley) 4/26/95";
#endif
static const char rcsid[] =
"$Id$";
"$Id: mount_portal.c,v 1.13 1998/07/06 07:19:25 charnier Exp $";
#endif /* not lint */
#include <sys/param.h>
@ -190,7 +190,9 @@ main(argc, argv)
/*
* Everything is ready to go - now is a good time to fork
*/
#ifndef DEBUG
daemon(0, 0);
#endif
/*
* Start logging (and change name)

View File

@ -36,7 +36,7 @@
*
* @(#)portald.h 8.1 (Berkeley) 6/5/93
*
* $Id$
* $Id: portald.h,v 1.3 1997/02/22 14:32:55 peter Exp $
*/
#include <sys/cdefs.h>
@ -73,6 +73,8 @@ extern int portal_file __P((struct portal_cred *,
char *key, char **v, int so, int *fdp));
extern int portal_tcp __P((struct portal_cred *,
char *key, char **v, int so, int *fdp));
extern int portal_tcplisten __P((struct portal_cred *,
char *key, char **v, int so, int *fdp));
/*
* Global functions

View File

@ -39,7 +39,7 @@
#ifndef lint
static const char rcsid[] =
"$Id$";
"$Id: pt_conf.c,v 1.4 1998/07/06 07:19:25 charnier Exp $";
#endif /* not lint */
#include <sys/types.h>
@ -50,5 +50,6 @@ provider providers[] = {
{ "exec", portal_exec },
{ "file", portal_file },
{ "tcp", portal_tcp },
{ "tcplisten", portal_tcplisten },
{ 0, 0 }
};

View File

@ -39,7 +39,7 @@
#ifndef lint
static const char rcsid[] =
"$Id$";
"$Id: pt_tcp.c,v 1.7 1998/07/06 07:19:27 charnier Exp $";
#endif /* not lint */
#include <errno.h>
@ -124,16 +124,16 @@ int portal_tcp(pcr, key, v, kso, fdp)
#endif
sp = getservbyname(port, "tcp");
if (sp != NULL)
if (sp != NULL) {
s_port = (u_short)sp->s_port;
else {
} else {
s_port = strtoul(port, &p, 0);
if (s_port == 0 || *p != '\0')
return (EINVAL);
s_port = htons(s_port);
}
#ifdef DEBUG
printf ("port number for %s is %d\n", port, ntohs(s_port));
printf ("port number for %s is %d\n", port, (int)ntohs(s_port));
#endif
memset(&sain, 0, sizeof(sain));

View File

@ -0,0 +1,206 @@
/*
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
* All rights reserved.
*
* This code is derived from software donated to Berkeley by
* Jan-Simon Pendry.
*
* Modified by Duncan Barclay.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 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.
*
* @(#)pt_tcp.c 8.3 (Berkeley) 3/27/94
*
* pt_tcp.c,v 1.1.1.1 1994/05/26 06:34:34 rgrimes Exp
*/
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <errno.h>
#include <strings.h>
#include <sys/types.h>
#include <sys/param.h>
#include <sys/syslog.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#include "portald.h"
/*
* Key will be tcplisten/host/port
*
* Create a TCP socket bound to the requested host and port.
* If the host is "ANY" the receving address will be set to INADDR_ANY.
* If the port is 0 the caller must find out the returned port number
* using a call to getsockname.
*
* XXX! The owner of the socket will be root rather then the user. This
* may cause remote auth (identd) to return unexpected results.
*
*/
int portal_tcplisten(pcr, key, v, kso, fdp)
struct portal_cred *pcr;
char *key;
char **v;
int kso;
int *fdp;
{
char host[MAXHOSTNAMELEN];
char port[MAXHOSTNAMELEN];
char *p = key + (v[1] ? strlen(v[1]) : 0);
char *q;
struct hostent *hp;
struct servent *sp;
struct in_addr **ipp;
struct in_addr *ip[2];
struct in_addr ina;
u_short s_port;
int any = 0;
struct sockaddr_in sain;
q = strchr(p, '/');
if (q == 0 || q - p >= sizeof(host))
return (EINVAL);
*q = '\0';
snprintf(host, sizeof(host), "%s", p);
p = q + 1;
q = strchr(p, '/');
if (q)
*q = '\0';
if (strlen(p) >= sizeof(port))
return (EINVAL);
snprintf(port, sizeof(port), "%s", p);
if (strcmp(host, "ANY") == 0) {
any = 1;
} else {
hp = gethostbyname(host);
if (hp != 0) {
ipp = (struct in_addr **) hp->h_addr_list;
} else {
ina.s_addr = inet_addr(host);
if (ina.s_addr == INADDR_NONE)
return (EINVAL);
ip[0] = &ina;
ip[1] = 0;
ipp = ip;
}
}
#ifdef DEBUG
if (any)
printf("INADDR_ANY to be used for hostname\n");
else
printf("inet address for %s is %s\n", host, inet_ntoa(*ipp[0]));
#endif
sp = getservbyname(port, "tcp");
if (sp != NULL) {
s_port = (u_short) sp->s_port;
} else {
s_port = strtoul(port, &p, 0);
if (*p != '\0')
return (EINVAL);
s_port = htons(s_port);
}
if ((ntohs(s_port) != 0) &&
(ntohs(s_port) <= IPPORT_RESERVED) &&
(pcr->pcr_uid != 0))
return (EPERM);
#ifdef DEBUG
printf("port number for %s is %d\n", port, ntohs(s_port));
#endif
memset(&sain, 0, sizeof(sain));
sain.sin_len = sizeof(sain);
sain.sin_family = AF_INET;
sain.sin_port = s_port;
if (any) {
int so;
int sock;
so = socket(AF_INET, SOCK_STREAM, 0);
if (so < 0) {
syslog(LOG_ERR, "socket: %m");
return (errno);
}
sain.sin_addr.s_addr = INADDR_ANY;
if (bind(so, (struct sockaddr *) &sain, sizeof(sain)) == 0) {
listen(so, 1);
if ((sock = accept(so, (struct sockaddr *)0, (int *)0)) == -1) {
syslog(LOG_ERR, "accept: %m");
(void) close(so);
return (errno);
}
*fdp = sock;
(void) close(so);
return (0);
}
syslog(LOG_ERR, "bind: %m");
(void) close(so);
return (errno);
}
while (ipp[0]) {
int so;
int sock;
so = socket(AF_INET, SOCK_STREAM, 0);
if (so < 0) {
syslog(LOG_ERR, "socket: %m");
return (errno);
}
sain.sin_addr = *ipp[0];
if (bind(so, (struct sockaddr *) &sain, sizeof(sain)) == 0) {
listen(so, 1);
if ((sock = accept(so, (struct sockaddr *)0, (int *)0)) == -1) {
syslog(LOG_ERR, "accept: %m");
(void) close(so);
return (errno);
}
*fdp = sock;
(void) close(so);
return (0);
}
(void) close(so);
ipp++;
}
syslog(LOG_ERR, "bind: %m");
return (errno);
}

View File

@ -1,9 +1,9 @@
# From: @(#)Makefile 8.3 (Berkeley) 3/27/94
# $Id: Makefile,v 1.7 1997/03/11 12:34:55 peter Exp $
# $Id: Makefile,v 1.8 1998/01/20 10:40:04 bde Exp $
PROG= mount_portal
SRCS= mount_portal.c activate.c conf.c getmntopts.c pt_conf.c \
pt_exec.c pt_file.c pt_tcp.c
pt_exec.c pt_file.c pt_tcp.c pt_tcplisten.c
MAN8= mount_portal.8
MOUNT= ${.CURDIR}/../mount

View File

@ -35,7 +35,7 @@
.\" SUCH DAMAGE.
.\"
.\" @(#)mount_portal.8 8.3 (Berkeley) 3/27/94
.\" $Id$
.\" $Id: mount_portal.8,v 1.3 1998/07/06 07:19:25 charnier Exp $
.\"
.Dd March 27, 1994
.Dt MOUNT_PORTAL 8
@ -89,11 +89,22 @@ to the calling process as the result of the open system call.
By convention, the portal daemon divides the namespace into sub-namespaces,
each of which handles objects of a particular type.
.Pp
Currently, two sub-namespaces are implemented:
The following sub-namespaces are currently implemented:
.Pa tcplisten ,
.Pa tcp
and
.Pa fs .
The
.Pa tcplisten
namespace takes a slash separated hostname and port and creates a TCP/IP
socket bound to the given hostname-port pair. The hostname may be
specified as "ANY" to allow any other host to connect to the socket. A
port number of 0 will dynamically allocate a port, this can be
discovered by calling
.Xr getsockname 8
with the returned file descriptor. Privilaged ports can only be bound to
by the super-user.
The
.Pa tcp
namespace takes a hostname and a port (slash separated) and
creates an open TCP/IP connection.
@ -116,6 +127,7 @@ tells the daemon what type of object to create.
Subsequent fields are passed to the creation function.
.Bd -literal
# @(#)portal.conf 5.1 (Berkeley) 7/13/92
tcplisten/ tcplisten tcplisten/
tcp/ tcp tcp/
fs/ file fs/
.Ed

View File

@ -45,7 +45,7 @@ char copyright[] =
static char sccsid[] = "@(#)mount_portal.c 8.6 (Berkeley) 4/26/95";
#endif
static const char rcsid[] =
"$Id$";
"$Id: mount_portal.c,v 1.13 1998/07/06 07:19:25 charnier Exp $";
#endif /* not lint */
#include <sys/param.h>
@ -190,7 +190,9 @@ main(argc, argv)
/*
* Everything is ready to go - now is a good time to fork
*/
#ifndef DEBUG
daemon(0, 0);
#endif
/*
* Start logging (and change name)

View File

@ -36,7 +36,7 @@
*
* @(#)portald.h 8.1 (Berkeley) 6/5/93
*
* $Id$
* $Id: portald.h,v 1.3 1997/02/22 14:32:55 peter Exp $
*/
#include <sys/cdefs.h>
@ -73,6 +73,8 @@ extern int portal_file __P((struct portal_cred *,
char *key, char **v, int so, int *fdp));
extern int portal_tcp __P((struct portal_cred *,
char *key, char **v, int so, int *fdp));
extern int portal_tcplisten __P((struct portal_cred *,
char *key, char **v, int so, int *fdp));
/*
* Global functions

View File

@ -39,7 +39,7 @@
#ifndef lint
static const char rcsid[] =
"$Id$";
"$Id: pt_conf.c,v 1.4 1998/07/06 07:19:25 charnier Exp $";
#endif /* not lint */
#include <sys/types.h>
@ -50,5 +50,6 @@ provider providers[] = {
{ "exec", portal_exec },
{ "file", portal_file },
{ "tcp", portal_tcp },
{ "tcplisten", portal_tcplisten },
{ 0, 0 }
};

View File

@ -39,7 +39,7 @@
#ifndef lint
static const char rcsid[] =
"$Id$";
"$Id: pt_tcp.c,v 1.7 1998/07/06 07:19:27 charnier Exp $";
#endif /* not lint */
#include <errno.h>
@ -124,16 +124,16 @@ int portal_tcp(pcr, key, v, kso, fdp)
#endif
sp = getservbyname(port, "tcp");
if (sp != NULL)
if (sp != NULL) {
s_port = (u_short)sp->s_port;
else {
} else {
s_port = strtoul(port, &p, 0);
if (s_port == 0 || *p != '\0')
return (EINVAL);
s_port = htons(s_port);
}
#ifdef DEBUG
printf ("port number for %s is %d\n", port, ntohs(s_port));
printf ("port number for %s is %d\n", port, (int)ntohs(s_port));
#endif
memset(&sain, 0, sizeof(sain));

View File

@ -0,0 +1,206 @@
/*
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
* All rights reserved.
*
* This code is derived from software donated to Berkeley by
* Jan-Simon Pendry.
*
* Modified by Duncan Barclay.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 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.
*
* @(#)pt_tcp.c 8.3 (Berkeley) 3/27/94
*
* pt_tcp.c,v 1.1.1.1 1994/05/26 06:34:34 rgrimes Exp
*/
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <errno.h>
#include <strings.h>
#include <sys/types.h>
#include <sys/param.h>
#include <sys/syslog.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#include "portald.h"
/*
* Key will be tcplisten/host/port
*
* Create a TCP socket bound to the requested host and port.
* If the host is "ANY" the receving address will be set to INADDR_ANY.
* If the port is 0 the caller must find out the returned port number
* using a call to getsockname.
*
* XXX! The owner of the socket will be root rather then the user. This
* may cause remote auth (identd) to return unexpected results.
*
*/
int portal_tcplisten(pcr, key, v, kso, fdp)
struct portal_cred *pcr;
char *key;
char **v;
int kso;
int *fdp;
{
char host[MAXHOSTNAMELEN];
char port[MAXHOSTNAMELEN];
char *p = key + (v[1] ? strlen(v[1]) : 0);
char *q;
struct hostent *hp;
struct servent *sp;
struct in_addr **ipp;
struct in_addr *ip[2];
struct in_addr ina;
u_short s_port;
int any = 0;
struct sockaddr_in sain;
q = strchr(p, '/');
if (q == 0 || q - p >= sizeof(host))
return (EINVAL);
*q = '\0';
snprintf(host, sizeof(host), "%s", p);
p = q + 1;
q = strchr(p, '/');
if (q)
*q = '\0';
if (strlen(p) >= sizeof(port))
return (EINVAL);
snprintf(port, sizeof(port), "%s", p);
if (strcmp(host, "ANY") == 0) {
any = 1;
} else {
hp = gethostbyname(host);
if (hp != 0) {
ipp = (struct in_addr **) hp->h_addr_list;
} else {
ina.s_addr = inet_addr(host);
if (ina.s_addr == INADDR_NONE)
return (EINVAL);
ip[0] = &ina;
ip[1] = 0;
ipp = ip;
}
}
#ifdef DEBUG
if (any)
printf("INADDR_ANY to be used for hostname\n");
else
printf("inet address for %s is %s\n", host, inet_ntoa(*ipp[0]));
#endif
sp = getservbyname(port, "tcp");
if (sp != NULL) {
s_port = (u_short) sp->s_port;
} else {
s_port = strtoul(port, &p, 0);
if (*p != '\0')
return (EINVAL);
s_port = htons(s_port);
}
if ((ntohs(s_port) != 0) &&
(ntohs(s_port) <= IPPORT_RESERVED) &&
(pcr->pcr_uid != 0))
return (EPERM);
#ifdef DEBUG
printf("port number for %s is %d\n", port, ntohs(s_port));
#endif
memset(&sain, 0, sizeof(sain));
sain.sin_len = sizeof(sain);
sain.sin_family = AF_INET;
sain.sin_port = s_port;
if (any) {
int so;
int sock;
so = socket(AF_INET, SOCK_STREAM, 0);
if (so < 0) {
syslog(LOG_ERR, "socket: %m");
return (errno);
}
sain.sin_addr.s_addr = INADDR_ANY;
if (bind(so, (struct sockaddr *) &sain, sizeof(sain)) == 0) {
listen(so, 1);
if ((sock = accept(so, (struct sockaddr *)0, (int *)0)) == -1) {
syslog(LOG_ERR, "accept: %m");
(void) close(so);
return (errno);
}
*fdp = sock;
(void) close(so);
return (0);
}
syslog(LOG_ERR, "bind: %m");
(void) close(so);
return (errno);
}
while (ipp[0]) {
int so;
int sock;
so = socket(AF_INET, SOCK_STREAM, 0);
if (so < 0) {
syslog(LOG_ERR, "socket: %m");
return (errno);
}
sain.sin_addr = *ipp[0];
if (bind(so, (struct sockaddr *) &sain, sizeof(sain)) == 0) {
listen(so, 1);
if ((sock = accept(so, (struct sockaddr *)0, (int *)0)) == -1) {
syslog(LOG_ERR, "accept: %m");
(void) close(so);
return (errno);
}
*fdp = sock;
(void) close(so);
return (0);
}
(void) close(so);
ipp++;
}
syslog(LOG_ERR, "bind: %m");
return (errno);
}