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add samples and IPX service configuration

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This commit is contained in:
Mario Fetka
2026-04-30 19:40:14 +02:00
parent 3c718bbabf
commit 75a16f53f4
20 changed files with 1836 additions and 110 deletions
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12
.gitignore vendored
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@@ -57,3 +57,15 @@
/ipx-utils-*.tar.bz2
/ipx-utils-*.zip
/ipx-utils-*/
# generated config helper outputs
/conf/ipx
/conf/ipx.service
/conf/network-start.sh
/conf/network-stop.sh
# sample binaries
/samples/ipxrcv
/samples/ipxsend
/samples/rip
/samples/sap

9
Makefile.am
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@@ -1,16 +1,11 @@
ACLOCAL_AMFLAGS = -I m4
SUBDIRS = po src tools ipxripd
SUBDIRS = po src tools samples ipxripd conf
EXTRA_DIST = \
autogen.sh \
scripts/config.ipx \
scripts/init.ipx \
Samples/ipxrcv.c \
Samples/ipxsend.c \
Samples/rip.c \
Samples/sap.c \
Samples/samples.h
scripts/init.ipx
DISTCLEANFILES = \
po/stamp-po

95
Samples/sap.c
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@@ -1,95 +0,0 @@
#include "samples.h"
struct sap_data
{
uint16_t sap_type;
char sap_name[48];
uint32_t sap_net;
uint8_t sap_node[6];
uint16_t sap_sock;
uint16_t sap_hops;
} __attribute__ ((packed));
int main(int argc, char **argv)
{
int s;
int result;
struct sockaddr_ipx sipx;
char msg[1024];
long val = 0;
char *bptr;
struct sap_data *sp;
s = socket(AF_IPX, SOCK_DGRAM, AF_IPX);
if (s < 0)
{
perror("IPX: socket: ");
exit(-1);
}
result = setsockopt(s, SOL_SOCKET, SO_DEBUG, &val, 4);
if (result < 0)
{
perror("IPX: setsockopt: ");
exit(-1);
}
sipx.sipx_family = PF_IPX;
sipx.sipx_network = 0L;
sipx.sipx_port = htons(0x452);
sipx.sipx_type = 17;
result = bind(s, (struct sockaddr *) &sipx, sizeof(sipx));
if (result < 0)
{
perror("IPX: bind: ");
exit(-1);
}
while (1)
{
socklen_t len;
size_t rclen;
len = 1024;
result = recvfrom(s, msg, sizeof(msg), 0,
(struct sockaddr *) &sipx, &len);
if (result < 0)
{
perror("IPX: recvfrom: ");
exit(-1);
}
if (result < 2) {
fprintf(stderr, "Received packet is too short to be SAP packet (%d bytes)\n", result);
continue;
}
rclen = result - 2;
bptr = msg;
printf("SAP: OP is %x %x\n", bptr[0], bptr[1]);
printf("Length is %zu\n", rclen);
if (bptr[1] != 2)
continue;
bptr += 2;
sp = (struct sap_data *) bptr;
while (rclen >= sizeof(struct sap_data))
{
int i;
sp->sap_name[32] = '\0';
for (i = 31; (i > 0) && (sp->sap_name[i] == '_'); i--);
i++;
sp->sap_name[i] = '\0';
printf("NAME: %s TYPE: %x HOPS: %x\n", sp->sap_name,
ntohs(sp->sap_type), ntohs(sp->sap_hops));
printf("%x:%x %x %x %x %x %x: %x\n",
(u_int32_t)ntohl(sp->sap_net),
sp->sap_node[0],
sp->sap_node[1],
sp->sap_node[2],
sp->sap_node[3],
sp->sap_node[4],
sp->sap_node[5],
ntohs(sp->sap_sock));
rclen -= sizeof(struct sap_data);
sp++;
}
}
}

43
conf/Makefile.am Normal file
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@@ -0,0 +1,43 @@
ipxlibexecdir = $(libexecdir)/ipx
confd_dir = $(sysconfdir)/conf.d
edit = sed \
-e 's|@sbindir[@]|$(sbindir)|g' \
-e 's|@sysconfdir[@]|$(sysconfdir)|g' \
-e 's|@libexecdir[@]|$(libexecdir)|g' \
-e 's|@ipxlibexecdir[@]|$(ipxlibexecdir)|g' \
-e 's|@systemdsystemunitdir[@]|$(systemdsystemunitdir)|g'
ipxlibexec_SCRIPTS = \
network-start.sh \
network-stop.sh
confd__DATA = ipx
if ENABLE_SYSTEMD
systemdsystemunit_DATA = ipx.service
endif
network-start.sh: network-start.sh.in Makefile
$(AM_V_GEN)$(edit) $(srcdir)/network-start.sh.in > $@ && chmod +x $@
network-stop.sh: network-stop.sh.in Makefile
$(AM_V_GEN)$(edit) $(srcdir)/network-stop.sh.in > $@ && chmod +x $@
ipx.service: ipx.service.in Makefile
$(AM_V_GEN)$(edit) $(srcdir)/ipx.service.in > $@
ipx: ipx.confd.in Makefile
$(AM_V_GEN)$(edit) $(srcdir)/ipx.confd.in > $@
EXTRA_DIST = \
network-start.sh.in \
network-stop.sh.in \
ipx.service.in \
ipx.confd.in
CLEANFILES = \
network-start.sh \
network-stop.sh \
ipx.service \
ipx

600
conf/Makefile.in Normal file
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@@ -0,0 +1,600 @@
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network-start.sh.in \
network-stop.sh.in \
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ipx.confd.in
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network-start.sh \
network-stop.sh \
ipx.service \
ipx
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sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
sort -u` ;; \
esac; \
for file in $$dist_files; do \
if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
if test -d $$d/$$file; then \
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fi; \
if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
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cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
else \
test -f "$(distdir)/$$file" \
|| cp -p $$d/$$file "$(distdir)/$$file" \
|| exit 1; \
fi; \
done
check-am: all-am
check: check-am
all-am: Makefile $(SCRIPTS) $(DATA)
installdirs:
for dir in "$(DESTDIR)$(ipxlibexecdir)" "$(DESTDIR)$(confd_dir)" "$(DESTDIR)$(systemdsystemunitdir)"; do \
test -z "$$dir" || $(MKDIR_P) "$$dir"; \
done
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install-am: all-am
@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
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install-strip:
if test -z '$(STRIP)'; then \
$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
install; \
else \
$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
"INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
fi
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-test . = "$(srcdir)" || $(am__rm_f) $(CONFIG_CLEAN_VPATH_FILES)
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@echo "This command is intended for maintainers to use"
@echo "it deletes files that may require special tools to rebuild."
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clean-am: clean-generic mostlyclean-am
distclean: distclean-am
-rm -f Makefile
distclean-am: clean-am distclean-generic
dvi: dvi-am
dvi-am:
html: html-am
html-am:
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install-exec-am: install-ipxlibexecSCRIPTS
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.PRECIOUS: Makefile
network-start.sh: network-start.sh.in Makefile
$(AM_V_GEN)$(edit) $(srcdir)/network-start.sh.in > $@ && chmod +x $@
network-stop.sh: network-stop.sh.in Makefile
$(AM_V_GEN)$(edit) $(srcdir)/network-stop.sh.in > $@ && chmod +x $@
ipx.service: ipx.service.in Makefile
$(AM_V_GEN)$(edit) $(srcdir)/ipx.service.in > $@
ipx: ipx.confd.in Makefile
$(AM_V_GEN)$(edit) $(srcdir)/ipx.confd.in > $@
# Tell versions [3.59,3.63) of GNU make to not export all variables.
# Otherwise a system limit (for SysV at least) may be exceeded.
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# Tell GNU make to disable its built-in pattern rules.
%:: %,v
%:: RCS/%,v
%:: RCS/%
%:: s.%
%:: SCCS/s.%

140
conf/ipx.confd.in Normal file
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@@ -0,0 +1,140 @@
# Copyright 1999-2026 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
# Configuration for the IPX network startup helpers.
#
# This file is used by:
# - /etc/init.d/ipx
# - @ipxlibexecdir@/network-start.sh
# - @ipxlibexecdir@/network-stop.sh
# - /etc/systemd/system/ipx.service
#
# Manual interface configuration:
# IPX_INTERFACES contains one entry per line.
#
# Format:
# <device>:<frame>:<netnum>
#
# Example:
# IPX_INTERFACES="
# enp0s31f6:802.2:1
# enp46s0u1u3u3:802.2:2
# wlp0s20f3:802.2:3
# "
#
# Behaviour:
# - The first successfully configured interface becomes the primary IPX
# interface.
# - Additional interfaces are configured as non-primary interfaces.
# - Each manually configured interface should use its own IPX network
# number.
# - Interfaces that are not currently present are skipped with a warning.
# - This is useful for optional hardware such as a docking station NIC.
#
# Link-state handling:
# If IPX_SKIP_LINK_DOWN=yes, interfaces that exist but currently do not
# have an active link are skipped as well.
#
# This is useful for cases such as:
# - a docking station NIC that exists but currently has no link
# - a physical Ethernet device with no cable attached
#
# Detection order:
# 1. /sys/class/net/<if>/carrier
# 2. /sys/class/net/<if>/operstate
#
# Example with an optional docking station interface:
# IPX_INTERFACES="
# enp46s0u1u3u3:802.2:1
# enp0s31f6:802.2:2
# wlp0s20f3:802.2:3
# "
#
# In that example:
# - if enp46s0u1u3u3 is present and usable, it will be configured first
# and become the primary IPX interface
# - if enp46s0u1u3u3 is missing, it will be skipped
# - if enp46s0u1u3u3 exists but has no active link and
# IPX_SKIP_LINK_DOWN=yes, it will also be skipped
# - the next successfully configured interface will become primary
#
# Static route configuration:
# IPX_ROUTES contains one entry per line.
#
# Format:
# <target_network>:<router_network>:<router_node>
#
# Example:
# IPX_ROUTES="
# 00000010:00000001:508140F6AC45
# 00000020:00000003:44E517C3D034
# "
#
# Route behaviour:
# - Routes are added after all interfaces have been configured
# - During shutdown, routes are removed again by target network
# - Empty lines and comment lines starting with '#' are ignored
#
# Automatic configuration:
# IPX_AUTO_PRIMARY and IPX_AUTO_INTERFACE are passed to ipx_configure.
#
# Recommended setting for manual interface definitions:
# - IPX_AUTO_INTERFACE=off
#
# This avoids mixing manual interface definitions with automatically created
# IPX interfaces.
#
# Internal network mode:
# If IPX_INTERNAL_NET=yes, no physical interfaces from IPX_INTERFACES are
# configured.
#
# Instead, an IPX internal network is created using IPX_NETNUM and
# IPX_NODENUM.
#
# The internal network does not use a physical device or frame type and
# automatically becomes the primary IPX interface.
#
# There can only be one internal network per host.
# Automatically select a primary IPX interface.
IPX_AUTO_PRIMARY=on
# Automatically create IPX interfaces.
# Recommended: off when using IPX_INTERFACES.
IPX_AUTO_INTERFACE=off
# Skip interfaces that are present but currently have no active link.
# Valid values: yes / no
IPX_SKIP_LINK_DOWN=yes
# Create a special internal IPX network instead of binding to physical NICs.
# Valid values: yes / no
IPX_INTERNAL_NET=no
# IPX network number for internal network mode only.
IPX_NETNUM=1
# IPX node number for internal network mode only.
IPX_NODENUM=1
# Manually configured IPX interfaces.
# Format: <device>:<frame>:<netnum>
#
# The first successfully configured interface becomes primary.
# Missing interfaces are skipped.
IPX_INTERFACES="
enp46s0u1u3u3:802.2:1
enp0s31f6:802.2:2
wlp0s20f3:802.2:3
"
# Static IPX routes.
# Format: <target_network>:<router_network>:<router_node>
#
# Example:
# IPX_ROUTES="
# 00000010:00000001:508140F6AC45
# 00000020:00000003:44E517C3D034
# "
IPX_ROUTES="
"

16
conf/ipx.service.in Normal file
View File

@@ -0,0 +1,16 @@
[Unit]
Description=IPX network setup
Documentation=man:systemd.service(5)
Wants=network-online.target
After=network-online.target
[Service]
Type=oneshot
RemainAfterExit=yes
EnvironmentFile=@sysconfdir@/conf.d/ipx
ExecStart=@ipxlibexecdir@/network-start.sh
ExecStop=@ipxlibexecdir@/network-stop.sh
ExecStopPost=@ipxlibexecdir@/network-stop.sh
[Install]
WantedBy=multi-user.target

176
conf/network-start.sh.in Normal file
View File

@@ -0,0 +1,176 @@
#!/bin/sh
# Copyright 1999-2026 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
# IPX start helper for systemd and OpenRC.
#
# This script reads its configuration from environment variables, typically
# provided through /etc/conf.d/ipx.
#
# Manual interface format:
# <device>:<frame>:<netnum>
#
# Static route format:
# <target_network>:<router_network>:<router_node>
#
# Behaviour:
# - The first successfully configured interface becomes the primary IPX
# interface.
# - Missing interfaces are skipped.
# - Optionally, interfaces with no active link can also be skipped.
# - Static routes are added after interface configuration.
set -u
configured=0
retval=0
primary_set=0
log_warn() {
printf '%s\n' "ipx: $*" >&2
}
log_err() {
printf '%s\n' "ipx: $*" >&2
}
link_is_usable() {
local dev carrier_file operstate_file state
dev=$1
carrier_file="/sys/class/net/${dev}/carrier"
operstate_file="/sys/class/net/${dev}/operstate"
if [ "${IPX_SKIP_LINK_DOWN:-no}" != "yes" ]; then
return 0
fi
if [ -r "${carrier_file}" ]; then
state=$(cat "${carrier_file}")
if [ "${state}" = "0" ]; then
log_warn "interface ${dev} has no carrier, skipping"
return 1
fi
return 0
fi
if [ -r "${operstate_file}" ]; then
state=$(cat "${operstate_file}")
case "${state}" in
down)
log_warn "interface ${dev} is link-down, skipping"
return 1
;;
esac
fi
return 0
}
if [ "${IPX_INTERNAL_NET:-no}" = "yes" ]; then
if ! @sbindir@/ipx_internal_net add "${IPX_NETNUM}" "${IPX_NODENUM}"; then
log_err "failed to create internal IPX network"
retval=1
fi
else
oldifs=${IFS}
IFS='
'
for entry in ${IPX_INTERFACES:-}; do
[ -n "${entry}" ] || continue
case "${entry}" in
\#*)
continue
;;
esac
dev=${entry%%:*}
rest=${entry#*:}
frame=${rest%%:*}
netnum=${rest#*:}
if [ -z "${dev}" ] || [ -z "${frame}" ] || [ -z "${netnum}" ] || [ "${rest}" = "${entry}" ]; then
log_err "invalid IPX_INTERFACES entry: ${entry}"
retval=1
break
fi
if [ ! -d "/sys/class/net/${dev}" ]; then
log_warn "interface ${dev} is not present, skipping"
continue
fi
if ! link_is_usable "${dev}"; then
continue
fi
if [ "${primary_set}" -eq 0 ]; then
if @sbindir@/ipx_interface add -p "${dev}" "${frame}" "${netnum}"; then
configured=1
primary_set=1
else
log_err "failed to add primary IPX interface on ${dev}"
retval=1
fi
else
if @sbindir@/ipx_interface add "${dev}" "${frame}" "${netnum}"; then
configured=1
else
log_err "failed to add IPX interface on ${dev}"
retval=1
fi
fi
done
IFS=${oldifs}
if [ "${configured}" -eq 0 ] && [ "${retval}" -eq 0 ]; then
log_warn "no configured IPX interfaces were present"
fi
fi
if [ "${retval}" -eq 0 ]; then
oldifs=${IFS}
IFS='
'
for entry in ${IPX_ROUTES:-}; do
[ -n "${entry}" ] || continue
case "${entry}" in
\#*)
continue
;;
esac
target=${entry%%:*}
rest=${entry#*:}
router_net=${rest%%:*}
router_node=${rest#*:}
if [ -z "${target}" ] || [ -z "${router_net}" ] || [ -z "${router_node}" ] || [ "${rest}" = "${entry}" ]; then
log_err "invalid IPX_ROUTES entry: ${entry}"
retval=1
break
fi
if ! @sbindir@/ipx_route add "${target}" "${router_net}" "${router_node}"; then
log_err "failed to add IPX route to ${target}"
retval=1
fi
done
IFS=${oldifs}
fi
if ! @sbindir@/ipx_configure \
--auto_primary="${IPX_AUTO_PRIMARY}" \
--auto_interface="${IPX_AUTO_INTERFACE}"; then
log_err "failed to apply automatic IPX configuration"
retval=1
fi
if [ "${retval}" -ne 0 ]; then
log_warn "startup failed, cleaning up partial IPX configuration"
@ipxlibexecdir@/network-stop.sh || true
fi
exit "${retval}"

50
conf/network-stop.sh.in Normal file
View File

@@ -0,0 +1,50 @@
#!/bin/sh
# Copyright 1999-2026 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
# IPX stop helper for systemd and OpenRC.
#
# This script disables automatic IPX behaviour, removes configured static
# routes, removes all configured IPX interfaces and deletes the internal IPX
# network if present.
set -u
retval=0
oldifs=${IFS}
IFS='
'
for entry in ${IPX_ROUTES:-}; do
[ -n "${entry}" ] || continue
case "${entry}" in
\#*)
continue
;;
esac
target=${entry%%:*}
if ! @sbindir@/ipx_route del "${target}"; then
printf '%s\n' "ipx: failed to remove route to ${target}" >&2
retval=1
fi
done
IFS=${oldifs}
if ! @sbindir@/ipx_configure --auto_primary=off --auto_interface=off; then
printf '%s\n' "ipx: failed to disable automatic IPX configuration" >&2
retval=1
fi
if ! @sbindir@/ipx_interface delall; then
printf '%s\n' "ipx: failed to remove IPX interfaces" >&2
retval=1
fi
if ! @sbindir@/ipx_internal_net del; then
:
fi
exit "${retval}"

15
configure.ac
View File

@@ -15,11 +15,26 @@ AC_CHECK_FUNCS([gettext bindtextdomain textdomain])
AC_DEFINE_UNQUOTED([LOCALEDIR], ["${datadir}/locale"], [Define location of message catalogs])
AC_ARG_WITH([systemdsystemunitdir],
[AS_HELP_STRING([--with-systemdsystemunitdir=DIR],
[systemd system unit directory; use "no" to disable systemd unit installation])],
[systemdsystemunitdir="${withval}"],
[systemdsystemunitdir='${prefix}/lib/systemd/system'])
AS_IF([test "x${systemdsystemunitdir}" = "xno"],
[systemdsystemunitdir=''])
AC_SUBST([systemdsystemunitdir])
AM_CONDITIONAL([ENABLE_SYSTEMD], [test "x${systemdsystemunitdir}" != "x"])
AC_CONFIG_FILES([
Makefile
src/Makefile
tools/Makefile
ipxripd/Makefile
conf/Makefile
samples/Makefile
po/Makefile.in
])
AC_OUTPUT

1
ipxripd/Makefile.in
View File

@@ -319,6 +319,7 @@ sbindir = @sbindir@
sharedstatedir = @sharedstatedir@
srcdir = @srcdir@
sysconfdir = @sysconfdir@
systemdsystemunitdir = @systemdsystemunitdir@
target_alias = @target_alias@
top_build_prefix = @top_build_prefix@
top_builddir = @top_builddir@

24
samples/Makefile.am Normal file
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@@ -0,0 +1,24 @@
AM_CPPFLAGS = -I$(top_srcdir)
AM_CFLAGS = -Wall -Wextra
noinst_PROGRAMS = \
ipxrcv \
ipxsend \
rip \
sap
ipxrcv_SOURCES = \
ipxrcv.c \
samples.h
ipxsend_SOURCES = \
ipxsend.c \
samples.h
rip_SOURCES = \
rip.c \
samples.h
sap_SOURCES = \
sap.c \
samples.h

624
samples/Makefile.in Normal file
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@@ -0,0 +1,624 @@
# Makefile.in generated by automake 1.18.1 from Makefile.am.
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# This program is distributed in the hope that it will be useful,
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# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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6
Samples/ipxrcv.c → samples/ipxrcv.c
View File

@@ -2,9 +2,11 @@
int main(int argc, char **argv)
{
(void)argc;
(void)argv;
struct sockaddr_ipx sipx;
int s;
int rct;
int rc;
char msg[100];
socklen_t len;
@@ -32,7 +34,7 @@ int main(int argc, char **argv)
{
perror("IPX: recvfrom: ");
}
printf("From %08X:%02X%02X%02X%02X%02X%02X:%04X\n",
printf("From %08lX:%02X%02X%02X%02X%02X%02X:%04X\n",
(unsigned long)ntohl(sipx.sipx_network),
sipx.sipx_node[0], sipx.sipx_node[1],
sipx.sipx_node[2], sipx.sipx_node[3],

2
Samples/ipxsend.c → samples/ipxsend.c
View File

@@ -2,6 +2,8 @@
int main(int argc, char **argv)
{
(void)argc;
(void)argv;
struct sockaddr_ipx sipx;
int s;
int rc;

27
Samples/rip.c → samples/rip.c
View File

@@ -16,22 +16,28 @@ int main(int argc, char **argv)
char *bptr;
struct rip_data *rp;
(void)argc;
(void)argv;
s = socket(AF_IPX, SOCK_DGRAM, AF_IPX);
if (s < 0)
{
perror("IPX: socket: ");
exit(-1);
}
sipx.sipx_family = AF_IPX;
sipx.sipx_network = 0;
sipx.sipx_port = htons(0x453);
sipx.sipx_type = 17;
result = bind(s, (struct sockaddr *) &sipx, sizeof(sipx));
if (result < 0)
{
perror("IPX: bind: ");
exit(-1);
}
while (1)
{
socklen_t len;
@@ -45,22 +51,31 @@ int main(int argc, char **argv)
perror("IPX: recvfrom");
exit(-1);
}
if (result < 2) {
fprintf(stderr, "Received packet is too short to be RIP packet (%d bytes)\n", result);
if (result < 2)
{
fprintf(stderr,
"Received packet is too short to be RIP packet (%d bytes)\n",
result);
continue;
}
rclen = result - 2;
rclen = (size_t)result - 2;
bptr = msg;
printf("RIP packet from: %08X:%02X%02X%02X%02X%02X%02X\n",
(u_int32_t)htonl(sipx.sipx_network),
(uint32_t)ntohl(sipx.sipx_network),
sipx.sipx_node[0], sipx.sipx_node[1],
sipx.sipx_node[2], sipx.sipx_node[3],
sipx.sipx_node[6], sipx.sipx_node[5]);
sipx.sipx_node[4], sipx.sipx_node[5]);
bptr += 2;
rp = (struct rip_data *) bptr;
while (rclen >= sizeof(struct rip_data))
{
printf("\tNET: %08X HOPS: %d\n", (u_int32_t)ntohl(rp->rip_net),
printf("\tNET: %08X HOPS: %d\n",
(uint32_t)ntohl(rp->rip_net),
ntohs(rp->rip_hops));
rclen -= sizeof(struct rip_data);
rp++;

0
Samples/samples.h → samples/samples.h
View File

104
samples/sap.c Normal file
View File

@@ -0,0 +1,104 @@
#include "samples.h"
struct sap_data
{
uint16_t sap_type;
char sap_name[48];
uint32_t sap_net;
unsigned char sap_node[6];
uint16_t sap_sock;
uint16_t sap_hops;
} __attribute__ ((packed));
int main(int argc, char **argv)
{
struct sockaddr_ipx sipx;
int result;
int s;
char msg[1024];
char *bptr;
struct sap_data *sp;
(void)argc;
(void)argv;
s = socket(AF_IPX, SOCK_DGRAM, AF_IPX);
if (s < 0)
{
perror("IPX: socket: ");
exit(-1);
}
sipx.sipx_family = AF_IPX;
sipx.sipx_network = 0;
sipx.sipx_port = htons(0x452);
sipx.sipx_type = 0x4;
result = bind(s, (struct sockaddr *) &sipx, sizeof(sipx));
if (result < 0)
{
perror("IPX: bind: ");
exit(-1);
}
while (1)
{
socklen_t len;
size_t rclen;
len = sizeof(sipx);
result = recvfrom(s, msg, sizeof(msg), 0,
(struct sockaddr *) &sipx, &len);
if (result < 0)
{
perror("IPX: recvfrom");
exit(-1);
}
if (result < 2)
{
fprintf(stderr,
"Received packet is too short to be SAP packet (%d bytes)\n",
result);
continue;
}
rclen = (size_t)result - 2;
bptr = msg;
printf("SAP packet from: %08X:%02X%02X%02X%02X%02X%02X\n",
(uint32_t)ntohl(sipx.sipx_network),
sipx.sipx_node[0], sipx.sipx_node[1],
sipx.sipx_node[2], sipx.sipx_node[3],
sipx.sipx_node[4], sipx.sipx_node[5]);
bptr += 2;
sp = (struct sap_data *) bptr;
while (rclen >= sizeof(struct sap_data))
{
int i;
/* Keep output readable if the SAP name is blank-padded. */
sp->sap_name[47] = '\0';
for (i = 46; i > 0 && sp->sap_name[i] == '_'; i--)
;
sp->sap_name[i + 1] = '\0';
printf("NAME: %s TYPE: %x HOPS: %x\n",
sp->sap_name,
ntohs(sp->sap_type),
ntohs(sp->sap_hops));
printf("\tADDR: %08X:%02X%02X%02X%02X%02X%02X:%04X\n",
(uint32_t)ntohl(sp->sap_net),
sp->sap_node[0], sp->sap_node[1],
sp->sap_node[2], sp->sap_node[3],
sp->sap_node[4], sp->sap_node[5],
ntohs(sp->sap_sock));
rclen -= sizeof(struct sap_data);
sp++;
}
}
}

1
src/Makefile.in
View File

@@ -330,6 +330,7 @@ sbindir = @sbindir@
sharedstatedir = @sharedstatedir@
srcdir = @srcdir@
sysconfdir = @sysconfdir@
systemdsystemunitdir = @systemdsystemunitdir@
target_alias = @target_alias@
top_build_prefix = @top_build_prefix@
top_builddir = @top_builddir@

1
tools/Makefile.in
View File

@@ -313,6 +313,7 @@ sbindir = @sbindir@
sharedstatedir = @sharedstatedir@
srcdir = @srcdir@
sysconfdir = @sysconfdir@
systemdsystemunitdir = @systemdsystemunitdir@
target_alias = @target_alias@
top_build_prefix = @top_build_prefix@
top_builddir = @top_builddir@