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This commit is contained in:
Hartmut Brandt 2004-07-08 16:38:36 +00:00
commit 4d36cbff53
13 changed files with 336 additions and 31 deletions
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47
contrib/ngatm/libngatm/cccust.h Normal file
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@ -0,0 +1,47 @@
/*
* Copyright (c) 2004
* Hartmut Brandt
* All rights reserved.
*
* Author: Hartmut Brandt <harti@freebsd.org>
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*
* $Begemot: libunimsg/libngatm/cccust.h,v 1.1 2004/07/08 08:35:37 brandt Exp $
*
* Customisation of call control source to user space.
*/
#include <sys/types.h>
#include <sys/queue.h>
#include <stdio.h>
#include <stdlib.h>
#include <stddef.h>
#include <string.h>
#include <assert.h>
#include <errno.h>
#define CCASSERT(E, M) assert(E)
#define CCMALLOC(S) (malloc((S)))
#define CCZALLOC(S) (calloc(1, (S)))
#define CCFREE(P) do { free(P); } while (0)

2
contrib/ngatm/libngatm/sscfucust.h
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@ -26,7 +26,7 @@
*
* Author: Hartmut Brandt <harti@freebsd.org>
*
* $Begemot: libunimsg/libunimsg/sscfucust.h,v 1.3 2003/09/19 13:10:35 hbb Exp $
* $Begemot: libunimsg/libngatm/sscfucust.h,v 1.4 2004/07/08 08:21:40 brandt Exp $
*
* Customisation of the SSCFU code for the user space library.
*/

2
contrib/ngatm/libngatm/sscopcust.h
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@ -26,7 +26,7 @@
*
* Author: Hartmut Brandt <harti@freebsd.org>
*
* $Begemot: libunimsg/libunimsg/sscopcust.h,v 1.3 2003/09/19 13:10:35 hbb Exp $
* $Begemot: libunimsg/libngatm/sscopcust.h,v 1.4 2004/07/08 08:21:40 brandt Exp $
*
* Customisation of the SSCOP code for the user space library.
*/

6
contrib/ngatm/libngatm/unimsg.c
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@ -26,7 +26,7 @@
*
* Author: Hartmut Brandt <harti@freebsd.org>
*
* $Begemot: libunimsg/libunimsg/unimsg.c,v 1.3 2003/09/19 13:10:35 hbb Exp $
* $Begemot: libunimsg/libngatm/unimsg.c,v 1.4 2004/07/08 08:21:41 brandt Exp $
*
* User space message structure.
*/
@ -163,7 +163,7 @@ uni_msg_build(void *ptr, ...)
u_int
uni_msg_strip32(struct uni_msg *msg)
{
u_int32_t w;
uint32_t w;
msg->b_wptr -= 4;
bcopy(msg->b_wptr, &w, 4);
@ -176,7 +176,7 @@ uni_msg_strip32(struct uni_msg *msg)
u_int
uni_msg_get32(struct uni_msg *msg)
{
u_int32_t w;
uint32_t w;
bcopy(msg->b_rptr, &w, 4);
msg->b_rptr += 4;

13
contrib/ngatm/man/libngatm.3
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@ -2,6 +2,11 @@
.\" Copyright (c) 2001-2003
.\" Fraunhofer Institute for Open Communication Systems (FhG Fokus).
.\" All rights reserved.
.\" Copyright (c) 2004
.\" Hartmut Brandt
.\" All rights reserved.
.\"
.\" Author: Hartmut Brandt <harti@freebsd.org>
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
@ -24,11 +29,9 @@
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\" Author: Hartmut Brandt <harti@freebsd.org>
.\" $Begemot: libunimsg/man/libngatm.3,v 1.4 2004/07/08 08:21:42 brandt Exp $
.\"
.\" $Begemot: libunimsg/man/libunimsg.3,v 1.2 2003/08/21 16:01:07 hbb Exp $
.\"
.Dd October 30, 2003
.Dd July 7, 2004
.Dt libngatm 3
.Os
.Sh NAME
@ -59,7 +62,7 @@ describes the decoding, encoding and printing functions.
.\" describes the UNI 4.0 signalling functions.
.It Xr uniaddr 3
describes address structures and handling functions.
.\" .It Xr unisap 3
.It Xr unisap 3
.\" describes ATM-Forum ATM-API service access point structures and
.\" handling functions.
.El

6
contrib/ngatm/man/uniaddr.3
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@ -3,6 +3,8 @@
.\" Fraunhofer Institute for Open Communication Systems (FhG Fokus).
.\" All rights reserved.
.\"
.\" Author: Hartmut Brandt <harti@freebsd.org>
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
@ -24,9 +26,7 @@
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\" Author: Hartmut Brandt <harti@freebsd.org>
.\"
.\" $Begemot: libunimsg/man/uniaddr.3,v 1.2 2003/08/21 16:01:07 hbb Exp $
.\" $Begemot: libunimsg/man/uniaddr.3,v 1.3 2004/07/08 08:21:42 brandt Exp $
.\"
.Dd October 30, 2003
.Dt uniaddr 3

6
contrib/ngatm/man/unifunc.3
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@ -3,6 +3,8 @@
.\" Fraunhofer Institute for Open Communication Systems (FhG Fokus).
.\" All rights reserved.
.\"
.\" Author: Hartmut Brandt <harti@freebsd.org>
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
@ -24,9 +26,7 @@
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\" Author: Hartmut Brandt <harti@freebsd.org>
.\"
.\" $Begemot: libunimsg/man/unifunc.3,v 1.2 2003/08/21 16:01:08 hbb Exp $
.\" $Begemot: libunimsg/man/unifunc.3,v 1.3 2004/07/08 08:21:43 brandt Exp $
.\"
.Dd October 30, 2003
.Dt unifunc 3

255
contrib/ngatm/man/unisap.3 Normal file
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@ -0,0 +1,255 @@
.\"
.\" Copyright (c) 2001-2003
.\" Fraunhofer Institute for Open Communication Systems (FhG Fokus).
.\" 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.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
.\"
.\" Author: Hartmut Brandt <harti@freebsd.org>
.\"
.\" $Begemot: libunimsg/man/unisap.3,v 1.2 2003/08/21 16:01:08 hbb Exp $
.\"
.Dd August 23, 2002
.Dt unisap 3
.Os
.Sh NAME
.Nm unimsg ,
.Nm unisve_check_addr ,
.Nm unisve_check_selector ,
.Nm unisve_check_blli_id2 ,
.Nm unisve_check_blli_id3 ,
.Nm unisve_check_bhli ,
.Nm unisve_check_sap ,
.Nm unisve_overlap_addr ,
.Nm unisve_overlap_selector ,
.Nm unisve_overlap_blli_id2 ,
.Nm unisve_overlap_blli_id3 ,
.Nm unisve_overlap_bhli ,
.Nm unisve_overlap_sap ,
.Nm unisve_is_catchall ,
.Nm unisve_match
.Nd "ATM signalling library - ATM SAP handling"
.Sh LIBRARY
Begemot ATM signalling library
.Pq libunimsg, -lunimsg
.Sh SYNOPSIS
.In uni4/unisap.h
.Ft int
.Fn unisve_check_addr "const struct unisve_addr *sve"
.Ft int
.Fn unisve_check_selector "const struct unisve_selector *sve"
.Ft int
.Fn unisve_check_blli_id2 "const struct unisve_blli_id2 *sve"
.Ft int
.Fn unisve_check_blli_id3 "const struct unisve_blli_id3 *sve"
.Ft int
.Fn unisve_check_bhli "const struct unisve_bhli *sve"
.Ft int
.Fn unisve_check_sap "const struct uni_sap *sve"
.Ft int
.Fn unisve_overlap_addr "const struct unisve_addr *sve1" "const struct unisve_addr *sve2"
.Ft int
.Fn unisve_overlap_selector "const struct unisve_selector *sve1" "const struct unisve_selector *sve2"
.Ft int
.Fn unisve_overlap_blli_id2 "const struct unisve_blli_id2 *sve1" "const struct unisve_blli_id2 *sve2"
.Ft int
.Fn unisve_overlap_blli_id3 "const struct unisve_blli_id3 *sve1" "const struct unisve_blli_id3 *sve2"
.Ft int
.Fn unisve_overlap_bhli "const struct unisve_bhli *sve1" "const struct unisve_bhli *sve2"
.Ft int
.Fn unisve_overlap_sap "const struct uni_sap *sap1" "const struct uni_sap *sap2"
.Ft int
.Fn unisve_is_catchall "const struct uni_sap *sap"
.Ft int
.Fn unisve_match "const struct uni_sap *sap" \
"const struct uni_ie_called *called" "const struct uni_ie_blli *blli" \
"const struct uni_ie_bhli *bhli"
.Sh DESCRIPTION
The
.Nm
library contains functions to handle Service Access Points (SAP) and SAP Vector
Elements (SVE) as specified in the ATM Forum ATM API Semantic Description.
SAPs are the analog of TCP and UDP ports in the ATM world. As usually in ATM
they are a couple of orders of magnitude more complex as their Internet
equivalent. See the ATM Forum document for a description.
.Pp
A SAP is a data structure:
.Bd -literal -offset indent
struct uni_sap {
struct unisve_addr addr;
struct unisve_selector selector;
struct unisve_blli_id2 blli_id2;
struct unisve_blli_id3 blli_id3;
struct unisve_bhli bhli;
};
.Ed
.Pp
that consists of 5 elements matching different information elements in
the SETUP message. Each of these elements has a tag that defines how
the SVE is to be matched with the information element. The tag is one of
.Bl -tag -widht ".It Dv UNISVE_PRESENT"
.It Dv UNISVE_ABSENT
The information element has to absent from the SETUP message.
.It Dv UNISVE_PRESENT
The information element has to be present in the SETUP message and must
match the SVE.
.It Dv UNISVE_ANY
The information element may be absent from the SETUP message or may
have any value.
.El
.Pp
The called address is matched by a
.Bd -literal -offset indent
struct unisve_addr {
enum unisve_tag tag;
enum uni_addr_type type;/* type of address */
enum uni_addr_plan plan;/* addressing plan */
u_int32_t len; /* length of address */
u_char addr[UNI_ADDR_MAXLEN];
};
.Ed
.Pp
Here
.Fa type
is the type of address and
.Fa plan
is the address plan.
.Fa len
is the length of the address (for ATME addresses not counting the selector byte)
and
.Fa addr is the address itself.
.Pp
In case of ATME addresses the selector byte is matched by a
.Bd -literal -offset indent
struct unisve_selector {
enum unisve_tag tag;
u_int8_t selector;
};
.Ed
.Pp
Here
.Fa selector
is the selector byte that must match the 20th byte of the ATME calling address
from the SETUP message.
.Pp
The BLLI information element is matched by two SVEs: one for layer 2 options
and one for layer 3 options. The layer 2 SVE is:
.Bd -literal -offset indent
struct unisve_blli_id2 {
enum unisve_tag tag;
u_int8_t proto:5;/* the protocol */
u_int8_t user:7; /* user specific protocol */
};
.Ed
.Pp
Where the
.Fa user
fields is matched only if the
.Fa proto
field specifies
.Dv UNI_BLLI_L2_USER .
The layer 3 SVE is:
.Bd -literal -offset indent
struct unisve_blli_id3 {
enum unisve_tag tag;
u_int8_t proto:5;/* L3 protocol */
u_int8_t user:7; /* user specific protocol */
u_int8_t ipi:8; /* ISO/IEC TR 9557 IPI */
u_int32_t oui:24; /* IEEE 802.1 OUI */
u_int32_t pid:16; /* IEEE 802.1 PID */
u_int32_t noipi; /* ISO/IEC TR 9557 per frame */
};
.Ed
For the exact rules how matching occures refer to the source code or the
ATM Forum document.
.Pp
Finally the BHLI information element is matched with a
.Bd -literal -offset indent
struct unisve_bhli {
enum unisve_tag tag;
enum uni_bhli type; /* type of info */
u_int32_t len; /* length of info */
u_int8_t info[8];/* info itself */
};
.Ed
.Pp
For each SVE type there is a function that checks whether the SVE is correct
specified. The functions
.Fn unisve_check_addr ,
.Fn unisve_check_selector ,
.Fn unisve_check_blli_id2 ,
.Fn unisve_check_blli_id3 ,
and
.Fn unisve_check_bhli
return one of the following error codes:
.Bd -literal -offset indent
enum {
UNISVE_OK = 0,
UNISVE_ERROR_BAD_TAG,
UNISVE_ERROR_TYPE_PLAN_CONFLICT,
UNISVE_ERROR_ADDR_SEL_CONFLICT,
UNISVE_ERROR_ADDR_LEN,
UNISVE_ERROR_BAD_ADDR_TYPE,
UNISVE_ERROR_BAD_BHLI_TYPE,
UNISVE_ERROR_BAD_BHLI_LEN,
};
.Ed
.Pp
A code of
.Li UNISVE_OK
means that the SVE has no error.
The function
.Fn unisve_check_sap
checks a complete SAP and returns one of the above codes.
.Pp
There is a definition
.Dv UNISVE_ERRSTR
that evaluates to a comma separated list of strings that can be used
to initializes an array of char pointers to map the error codes into
human readable strings.
.Pp
The ATM Forum document defines the concept of overlaping SAPs. This basically
means, that an incoming SETUP could match more than one SAP (and more than
one application) to receive the SETUP. For each SVE type there is a function
that checks whether two SVEs overlap and there is a function that checks whether
two SAPs overlap. The functions
.Fn unisve_overlap_addr ,
.Fn unisve_overlap_selector ,
.Fn unisve_overlap_blli_id2 ,
.Fn unisve_overlap_blli_id3 ,
.Fn unisve_overlap_bhli , and
.Fn unisve_overlap_sap
return 1 if the SVEs or SAPs overlap and 0 if they do not. They assume, that
the SAPs are correct.
.Pp
The ATM Forum document specifies a catch-all SAP. The function
.Fn unisve_is_catchall
returns 1 if the SAP is the catch-all SAP and 0 otherwise.
.Pp
Finally the function
.Fn unisve_match
is used to match a SAP against the information elements from a SETUP message.
It returns 1 if they match and 0 otherwise.
.Sh SEE ALSO
.Xr libunimsg 3 ,
.Sh AUTHORS
.An Hartmut Brandt Aq harti@freebsd.org

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contrib/ngatm/man/unistruct.3
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@ -3,6 +3,8 @@
.\" Fraunhofer Institute for Open Communication Systems (FhG Fokus).
.\" All rights reserved.
.\"
.\" Author: Hartmut Brandt <harti@freebsd.org>
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
@ -24,9 +26,7 @@
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\" Author: Hartmut Brandt <harti@freebsd.org>
.\"
.\" $Begemot: libunimsg/man/unistruct.3,v 1.2 2003/08/21 16:01:08 hbb Exp $
.\" $Begemot: libunimsg/man/unistruct.3,v 1.3 2004/07/08 08:21:43 brandt Exp $
.\"
.Dd October 30, 2003
.Dt unistruct 3

6
contrib/ngatm/sscop/common.c
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@ -3,6 +3,8 @@
* Fraunhofer Institute for Open Communication Systems (FhG Fokus).
* All rights reserved.
*
* Author: Harti Brandt <harti@freebsd.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
@ -24,9 +26,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* Author: Harti Brandt <harti@freebsd.org>
*
* $Begemot: libunimsg/sscop/common.c,v 1.3 2003/09/19 13:10:35 hbb Exp $
* $Begemot: libunimsg/sscop/common.c,v 1.4 2004/07/08 08:22:27 brandt Exp $
*/
#include <sys/types.h>

6
contrib/ngatm/sscop/common.h
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@ -3,6 +3,8 @@
* Fraunhofer Institute for Open Communication Systems (FhG Fokus).
* All rights reserved.
*
* Author: Harti Brandt <harti@freebsd.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
@ -24,9 +26,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* Author: Harti Brandt <harti@freebsd.org>
*
* $Begemot: libunimsg/sscop/common.h,v 1.3 2003/09/19 13:10:35 hbb Exp $
* $Begemot: libunimsg/sscop/common.h,v 1.4 2004/07/08 08:22:27 brandt Exp $
*
* Common declaration for the SAAL programs.
*/

6
contrib/ngatm/sscop/sscop.1
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@ -3,6 +3,8 @@
.\" Fraunhofer Institute for Open Communication Systems (FhG Fokus).
.\" All rights reserved.
.\"
.\" Author: Harti Brandt <harti@freebsd.org>
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
@ -24,9 +26,7 @@
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\" Author: Harti Brandt <harti@freebsd.org>
.\"
.\" $Begemot: libunimsg/sscop/sscop.1,v 1.2 2003/08/21 16:01:08 hbb Exp $
.\" $Begemot: libunimsg/sscop/sscop.1,v 1.3 2004/07/08 08:22:28 brandt Exp $
.\"
.Dd October 28, 2003
.Dt SSCOP 1

6
contrib/ngatm/sscop/sscop_main.c
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@ -3,6 +3,8 @@
* Fraunhofer Institute for Open Communication Systems (FhG Fokus).
* All rights reserved.
*
* Author: Harti Brandt <harti@freebsd.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
@ -24,9 +26,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* Author: Harti Brandt <harti@freebsd.org>
*
* $Begemot: libunimsg/sscop/sscop_main.c,v 1.3 2003/09/19 13:10:35 hbb Exp $
* $Begemot: libunimsg/sscop/sscop_main.c,v 1.4 2004/07/08 08:22:28 brandt Exp $
*/
#include <sys/types.h>