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![Eric Pouech](/assets/img/avatar_default.png)
Signed-off-by: Eric Pouech <eric.pouech@gmail.com> Signed-off-by: Huw Davies <huw@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>
432 lines
14 KiB
C
432 lines
14 KiB
C
/*
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* nsiproxy.sys udp module
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*
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* Copyright 2003, 2006, 2011 Juan Lang
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* Copyright 2021 Huw Davies
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#if 0
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#pragma makedep unix
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#endif
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#include "config.h"
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#include <stdarg.h>
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#include <stddef.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#ifdef HAVE_SYS_PARAM_H
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#include <sys/param.h>
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#endif
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#ifdef HAVE_SYS_SYSCTL_H
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#include <sys/sysctl.h>
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#endif
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#ifdef HAVE_SYS_SOCKETVAR_H
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#include <sys/socketvar.h>
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#endif
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#ifdef HAVE_NETINET_IN_H
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#include <netinet/in.h>
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#endif
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#ifdef HAVE_NETINET_IP_H
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#include <netinet/ip.h>
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#endif
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#ifdef HAVE_NETINET_IP_VAR_H
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#include <netinet/ip_var.h>
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#endif
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#ifdef HAVE_NETINET_IN_PCB_H
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#include <netinet/in_pcb.h>
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#endif
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#ifdef HAVE_NETINET_UDP_H
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#include <netinet/udp.h>
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#endif
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#ifdef HAVE_NETINET_UDP_VAR_H
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#include <netinet/udp_var.h>
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#endif
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#include "ntstatus.h"
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#define WIN32_NO_STATUS
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#include "windef.h"
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#include "winbase.h"
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#include "winternl.h"
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#define USE_WS_PREFIX
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#include "winsock2.h"
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#include "ifdef.h"
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#include "netiodef.h"
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#include "ws2ipdef.h"
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#include "udpmib.h"
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#include "wine/nsi.h"
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#include "wine/debug.h"
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#include "wine/server.h"
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#include "unix_private.h"
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WINE_DEFAULT_DEBUG_CHANNEL(nsi);
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static UINT udp_num_addrs( USHORT family )
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{
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UINT endpoint_count = 0;
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nsi_enumerate_all( 1, 0, &NPI_MS_UDP_MODULEID, NSI_UDP_ENDPOINT_TABLE,
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NULL, 0, NULL, 0, NULL, 0, NULL, 0, &endpoint_count );
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/* FIXME: actually retrieve the keys and only count endpoints which match family */
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return endpoint_count;
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}
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static NTSTATUS udp_stats_get_all_parameters( const void *key, UINT key_size, void *rw_data, UINT rw_size,
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void *dynamic_data, UINT dynamic_size, void *static_data, UINT static_size )
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{
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struct nsi_udp_stats_dynamic dyn;
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const USHORT *family = key;
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TRACE( "%p %d %p %d %p %d %p %d\n", key, key_size, rw_data, rw_size, dynamic_data, dynamic_size,
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static_data, static_size );
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if (*family != WS_AF_INET && *family != WS_AF_INET6) return STATUS_NOT_SUPPORTED;
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memset( &dyn, 0, sizeof(dyn) );
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dyn.num_addrs = udp_num_addrs( *family );
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#ifdef __linux__
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if (*family == WS_AF_INET)
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{
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NTSTATUS status = STATUS_NOT_SUPPORTED;
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static const char hdr[] = "Udp:";
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char buf[512], *ptr;
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FILE *fp;
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if (!(fp = fopen( "/proc/net/snmp", "r" ))) return STATUS_NOT_SUPPORTED;
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while ((ptr = fgets( buf, sizeof(buf), fp )))
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{
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if (ascii_strncasecmp( buf, hdr, sizeof(hdr) - 1 )) continue;
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/* last line was a header, get another */
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if (!(ptr = fgets( buf, sizeof(buf), fp ))) break;
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if (!ascii_strncasecmp( buf, hdr, sizeof(hdr) - 1 ))
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{
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unsigned int in_dgrams, out_dgrams;
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ptr += sizeof(hdr);
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sscanf( ptr, "%u %u %u %u %u",
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&in_dgrams, &dyn.no_ports, &dyn.in_errs, &out_dgrams, &dyn.num_addrs );
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dyn.in_dgrams = in_dgrams;
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dyn.out_dgrams = out_dgrams;
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if (dynamic_data) *(struct nsi_udp_stats_dynamic *)dynamic_data = dyn;
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status = STATUS_SUCCESS;
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break;
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}
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}
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fclose( fp );
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return status;
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}
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else
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{
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unsigned int in_dgrams = 0, out_dgrams = 0;
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struct
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{
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const char *name;
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UINT *elem;
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} udp_stat_list[] =
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{
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{ "Udp6InDatagrams", &in_dgrams },
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{ "Udp6NoPorts", &dyn.no_ports },
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{ "Udp6InErrors", &dyn.in_errs },
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{ "Udp6OutDatagrams", &out_dgrams },
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};
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char buf[512], *ptr, *value;
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UINT res, i;
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FILE *fp;
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if (!(fp = fopen( "/proc/net/snmp6", "r" ))) return STATUS_NOT_SUPPORTED;
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while ((ptr = fgets( buf, sizeof(buf), fp )))
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{
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if (!(value = strchr( buf, ' ' ))) continue;
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/* terminate the valuename */
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ptr = value - 1;
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*(ptr + 1) = '\0';
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/* and strip leading spaces from value */
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value += 1;
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while (*value==' ') value++;
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if ((ptr = strchr( value, '\n' ))) *ptr='\0';
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for (i = 0; i < ARRAY_SIZE(udp_stat_list); i++)
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if (!ascii_strcasecmp( buf, udp_stat_list[i].name ) && sscanf( value, "%d", &res ))
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*udp_stat_list[i].elem = res;
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}
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dyn.in_dgrams = in_dgrams;
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dyn.out_dgrams = out_dgrams;
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if (dynamic_data) *(struct nsi_udp_stats_dynamic *)dynamic_data = dyn;
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fclose( fp );
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return STATUS_SUCCESS;
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}
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#elif defined(HAVE_SYS_SYSCTL_H) && defined(UDPCTL_STATS) && defined(HAVE_STRUCT_UDPSTAT_UDPS_IPACKETS)
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{
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int mib[] = { CTL_NET, PF_INET, IPPROTO_UDP, UDPCTL_STATS };
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struct udpstat udp_stat;
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size_t needed = sizeof(udp_stat);
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if (sysctl( mib, ARRAY_SIZE(mib), &udp_stat, &needed, NULL, 0 ) == -1) return STATUS_NOT_SUPPORTED;
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dyn.in_dgrams = udp_stat.udps_ipackets;
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dyn.out_dgrams = udp_stat.udps_opackets;
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dyn.no_ports = udp_stat.udps_noport;
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dyn.in_errs = udp_stat.udps_hdrops + udp_stat.udps_badsum + udp_stat.udps_fullsock + udp_stat.udps_badlen;
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if (dynamic_data) *(struct nsi_udp_stats_dynamic *)dynamic_data = dyn;
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return STATUS_SUCCESS;
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}
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#endif
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FIXME( "Not implemented\n" );
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return STATUS_NOT_SUPPORTED;
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}
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static NTSTATUS udp_endpoint_enumerate_all( void *key_data, UINT key_size, void *rw_data, UINT rw_size,
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void *dynamic_data, UINT dynamic_size,
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void *static_data, UINT static_size, UINT_PTR *count )
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{
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UINT num = 0;
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NTSTATUS status = STATUS_SUCCESS;
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BOOL want_data = key_size || rw_size || dynamic_size || static_size;
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struct nsi_udp_endpoint_key key, *key_out = key_data;
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struct nsi_udp_endpoint_static stat, *stat_out = static_data;
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struct ipv6_addr_scope *addr_scopes = NULL;
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unsigned int addr_scopes_size = 0, pid_map_size = 0;
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struct pid_map *pid_map = NULL;
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TRACE( "%p %d %p %d %p %d %p %d %p\n", key_data, key_size, rw_data, rw_size,
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dynamic_data, dynamic_size, static_data, static_size, count );
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#ifdef __linux__
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{
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FILE *fp;
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char buf[512], *ptr;
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int inode;
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UINT addr;
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if (!(fp = fopen( "/proc/net/udp", "r" ))) return ERROR_NOT_SUPPORTED;
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memset( &key, 0, sizeof(key) );
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memset( &stat, 0, sizeof(stat) );
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pid_map = get_pid_map( &pid_map_size );
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/* skip header line */
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ptr = fgets( buf, sizeof(buf), fp );
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while ((ptr = fgets( buf, sizeof(buf), fp )))
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{
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if (sscanf( ptr, "%*u: %x:%hx %*s %*s %*s %*s %*s %*s %*s %d",
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&addr, &key.local.Ipv4.sin_port, &inode ) != 3)
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continue;
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key.local.Ipv4.sin_family = WS_AF_INET;
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key.local.Ipv4.sin_addr.WS_s_addr = addr;
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key.local.Ipv4.sin_port = htons( key.local.Ipv4.sin_port );
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stat.pid = find_owning_pid( pid_map, pid_map_size, inode );
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stat.create_time = 0; /* FIXME */
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stat.flags = 0; /* FIXME */
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stat.mod_info = 0; /* FIXME */
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if (num < *count)
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{
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if (key_out) *key_out++ = key;
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if (stat_out) *stat_out++ = stat;
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}
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num++;
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}
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fclose( fp );
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if ((fp = fopen( "/proc/net/udp6", "r" )))
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{
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memset( &key, 0, sizeof(key) );
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memset( &stat, 0, sizeof(stat) );
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addr_scopes = get_ipv6_addr_scope_table( &addr_scopes_size );
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/* skip header line */
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ptr = fgets( buf, sizeof(buf), fp );
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while ((ptr = fgets( buf, sizeof(buf), fp )))
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{
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UINT *local_addr = (UINT *)&key.local.Ipv6.sin6_addr;
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if (sscanf( ptr, "%*u: %8x%8x%8x%8x:%hx %*s %*s %*s %*s %*s %*s %*s %d",
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local_addr, local_addr + 1, local_addr + 2, local_addr + 3,
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&key.local.Ipv6.sin6_port, &inode ) != 6)
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continue;
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key.local.Ipv6.sin6_family = WS_AF_INET6;
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key.local.Ipv6.sin6_port = htons( key.local.Ipv6.sin6_port );
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key.local.Ipv6.sin6_scope_id = find_ipv6_addr_scope( &key.local.Ipv6.sin6_addr, addr_scopes,
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addr_scopes_size );
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stat.pid = find_owning_pid( pid_map, pid_map_size, inode );
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stat.create_time = 0; /* FIXME */
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stat.flags = 0; /* FIXME */
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stat.mod_info = 0; /* FIXME */
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if (num < *count)
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{
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if (key_out) *key_out++ = key;
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if (stat_out) *stat_out++ = stat;
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}
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num++;
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}
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fclose( fp );
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}
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}
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#elif defined(HAVE_SYS_SYSCTL_H) && defined(UDPCTL_PCBLIST) && defined(HAVE_STRUCT_XINPGEN)
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{
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int mib[] = { CTL_NET, PF_INET, IPPROTO_UDP, UDPCTL_PCBLIST };
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size_t len = 0;
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char *buf = NULL;
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struct xinpgen *xig, *orig_xig;
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if (sysctl( mib, ARRAY_SIZE(mib), NULL, &len, NULL, 0 ) < 0)
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{
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ERR( "Failure to read net.inet.udp.pcblist via sysctlbyname!\n" );
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status = STATUS_NOT_SUPPORTED;
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goto err;
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}
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buf = malloc( len );
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if (!buf)
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{
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status = STATUS_NO_MEMORY;
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goto err;
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}
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if (sysctl( mib, ARRAY_SIZE(mib), buf, &len, NULL, 0 ) < 0)
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{
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ERR( "Failure to read net.inet.udp.pcblist via sysctlbyname!\n" );
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status = STATUS_NOT_SUPPORTED;
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goto err;
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}
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/* Might be nothing here; first entry is just a header it seems */
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if (len <= sizeof(struct xinpgen)) goto err;
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addr_scopes = get_ipv6_addr_scope_table( &addr_scopes_size );
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pid_map = get_pid_map( &pid_map_size );
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orig_xig = (struct xinpgen *)buf;
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xig = orig_xig;
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for (xig = (struct xinpgen *)((char *)xig + xig->xig_len);
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xig->xig_len > sizeof (struct xinpgen);
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xig = (struct xinpgen *)((char *)xig + xig->xig_len))
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{
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#if __FreeBSD_version >= 1200026
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struct xinpcb *in = (struct xinpcb *)xig;
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struct xsocket *sock = &in->xi_socket;
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#else
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struct inpcb *in = &((struct xinpcb *)xig)->xi_inp;
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struct xsocket *sock = &((struct xinpcb *)xig)->xi_socket;
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#endif
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static const struct in6_addr zero;
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/* Ignore sockets for other protocols */
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if (sock->xso_protocol != IPPROTO_UDP) continue;
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/* Ignore PCBs that were freed while generating the data */
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if (in->inp_gencnt > orig_xig->xig_gen) continue;
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/* we're only interested in IPv4 and IPv6 addresses */
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if (!(in->inp_vflag & (INP_IPV4 | INP_IPV6))) continue;
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/* If all 0's, skip it */
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if (in->inp_vflag & INP_IPV4 && !in->inp_laddr.s_addr) continue;
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if (in->inp_vflag & INP_IPV6 && !memcmp( &in->in6p_laddr, &zero, sizeof(zero) ) && !in->inp_lport) continue;
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if (in->inp_vflag & INP_IPV4)
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{
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key.local.Ipv4.sin_family = WS_AF_INET;
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key.local.Ipv4.sin_addr.WS_s_addr = in->inp_laddr.s_addr;
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key.local.Ipv4.sin_port = in->inp_lport;
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}
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else
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{
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key.local.Ipv6.sin6_family = WS_AF_INET6;
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memcpy( &key.local.Ipv6.sin6_addr, &in->in6p_laddr, sizeof(in->in6p_laddr) );
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key.local.Ipv6.sin6_port = in->inp_lport;
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key.local.Ipv6.sin6_scope_id = find_ipv6_addr_scope( &key.local.Ipv6.sin6_addr, addr_scopes,
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addr_scopes_size );
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}
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stat.pid = find_owning_pid( pid_map, pid_map_size, (UINT_PTR)sock->so_pcb );
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stat.create_time = 0; /* FIXME */
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stat.flags = !(in->inp_flags & INP_ANONPORT);
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stat.mod_info = 0; /* FIXME */
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if (num < *count)
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{
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if (key_out) *key_out++ = key;
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if (stat_out) *stat_out++ = stat;
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}
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num++;
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}
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err:
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free( buf );
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}
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#else
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FIXME( "not implemented\n" );
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return STATUS_NOT_IMPLEMENTED;
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#endif
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if (!want_data || num <= *count) *count = num;
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else status = STATUS_BUFFER_OVERFLOW;
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free( pid_map );
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free( addr_scopes );
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return status;
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}
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static struct module_table udp_tables[] =
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{
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{
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NSI_UDP_STATS_TABLE,
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{
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sizeof(USHORT), 0,
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sizeof(struct nsi_udp_stats_dynamic), 0
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},
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NULL,
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udp_stats_get_all_parameters,
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},
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{
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NSI_UDP_ENDPOINT_TABLE,
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{
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sizeof(struct nsi_udp_endpoint_key), 0,
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0, sizeof(struct nsi_udp_endpoint_static)
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},
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udp_endpoint_enumerate_all,
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},
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{
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~0u
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}
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};
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const struct module udp_module =
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{
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&NPI_MS_UDP_MODULEID,
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udp_tables
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};
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