nsiproxy: Implement UDP endpoint enumerate_all.

dlls/nsi/tests/nsi.c

@@ -938,6 +938,68 @@ static void test_tcp_tables( int family, int table_type )
     winetest_pop_context();
 }
 
+static void test_udp_tables( int family )
+{
+    DWORD i, err, count, size;
+    struct nsi_udp_endpoint_key *keys;
+    struct nsi_udp_endpoint_static *stat;
+    MIB_UDPTABLE_OWNER_MODULE *table;
+    MIB_UDP6TABLE_OWNER_MODULE *table6;
+    MIB_UDPROW_OWNER_MODULE *row;
+    MIB_UDP6ROW_OWNER_MODULE *row6;
+
+    winetest_push_context( "%s", family == AF_INET ? "AF_INET" : "AF_INET6" );
+
+    err = NsiAllocateAndGetTable( 1, &NPI_MS_UDP_MODULEID, NSI_UDP_ENDPOINT_TABLE, (void **)&keys, sizeof(*keys),
+                                  NULL, 0, NULL, 0, (void **)&stat, sizeof(*stat), &count, 0 );
+    ok( !err, "got %x\n", err );
+
+    size = 0;
+    err = GetExtendedUdpTable( NULL, &size, 0, family, UDP_TABLE_OWNER_MODULE, 0 );
+    size *= 2;
+    table = malloc( size );
+    table6 = (MIB_UDP6TABLE_OWNER_MODULE *)table;
+    err = GetExtendedUdpTable( table, &size, 0, family, UDP_TABLE_OWNER_MODULE, 0 );
+    ok( !err, "got %d\n", err );
+
+    row = table->table;
+    row6 = table6->table;
+
+    for (i = 0; i < count; i++)
+    {
+        if (keys[i].local.si_family != family) continue;
+
+        if (family == AF_INET)
+        {
+            ok( unstable( row->dwLocalAddr == keys[i].local.Ipv4.sin_addr.s_addr ), "%08x vs %08x\n",
+                row->dwLocalAddr, keys[i].local.Ipv4.sin_addr.s_addr );
+            ok( unstable( row->dwLocalPort == keys[i].local.Ipv4.sin_port ), "%d vs %d\n",
+                row->dwLocalPort, keys[i].local.Ipv4.sin_port );
+            ok( unstable( row->dwOwningPid == stat[i].pid ), "%x vs %x\n", row->dwOwningPid, stat[i].pid );
+            ok( unstable( row->liCreateTimestamp.QuadPart == stat[i].create_time ), "mismatch\n" );
+            ok( unstable( row->dwFlags == stat[i].flags ), "%x vs %x\n", row->dwFlags, stat[i].flags );
+            ok( unstable( row->OwningModuleInfo[0] == stat[i].mod_info ), "mismatch\n");
+            row++;
+        }
+        else if (family == AF_INET6)
+        {
+            ok( unstable( !memcmp( row6->ucLocalAddr, keys[i].local.Ipv6.sin6_addr.s6_addr, sizeof(IN6_ADDR) ) ),
+                "mismatch\n" );
+            ok( unstable( row6->dwLocalScopeId == keys[i].local.Ipv6.sin6_scope_id ), "%x vs %x\n",
+                row6->dwLocalScopeId, keys[i].local.Ipv6.sin6_scope_id );
+            ok( unstable( row6->dwLocalPort == keys[i].local.Ipv6.sin6_port ), "%d vs %d\n",
+                row6->dwLocalPort, keys[i].local.Ipv6.sin6_port );
+            ok( unstable( row6->dwOwningPid == stat[i].pid ), "%x vs %x\n", row6->dwOwningPid, stat[i].pid );
+            ok( unstable( row6->liCreateTimestamp.QuadPart == stat[i].create_time ), "mismatch\n" );
+            ok( unstable( row6->dwFlags == stat[i].flags ), "%x vs %x\n", row6->dwFlags, stat[i].flags );
+            ok( unstable( row6->OwningModuleInfo[0] == stat[i].mod_info ), "mismatch\n");
+            row6++;
+        }
+    }
+    free( table );
+    NsiFreeTable( keys, NULL, NULL, stat );
+    winetest_pop_context();
+}
 
 START_TEST( nsi )
 {
@@ -967,4 +1029,7 @@ START_TEST( nsi )
     test_tcp_tables( AF_INET6, TCP_TABLE_OWNER_MODULE_ALL );
     test_tcp_tables( AF_INET6, TCP_TABLE_OWNER_MODULE_CONNECTIONS );
     test_tcp_tables( AF_INET6, TCP_TABLE_OWNER_MODULE_LISTENER );
+
+    test_udp_tables( AF_INET );
+    test_udp_tables( AF_INET6 );
 }

dlls/nsiproxy.sys/Makefile.in

@@ -7,4 +7,5 @@ C_SRCS = \
 	ip.c \
 	ndis.c \
 	nsi.c \
-	tcp.c
+	tcp.c \
+	udp.c

dlls/nsiproxy.sys/nsi.c

@@ -41,6 +41,7 @@ static const struct module *modules[] =
     &ipv4_module,
     &ipv6_module,
     &tcp_module,
+    &udp_module,
 };
 
 static const struct module_table *get_module_table( const NPI_MODULEID *id, DWORD table )

dlls/nsiproxy.sys/nsiproxy_private.h

@@ -92,6 +92,24 @@ static inline BOOL convert_index_to_luid( DWORD index, NET_LUID *luid )
     return !nsi_get_parameter_ex( &params );
 }
 
+struct ipv6_addr_scope
+{
+    IN6_ADDR addr;
+    DWORD scope;
+};
+
+struct ipv6_addr_scope *get_ipv6_addr_scope_table( unsigned int *size ) DECLSPEC_HIDDEN;
+DWORD find_ipv6_addr_scope( const IN6_ADDR *addr, const struct ipv6_addr_scope *table, unsigned int size ) DECLSPEC_HIDDEN;
+
+struct pid_map
+{
+    unsigned int pid;
+    unsigned int unix_pid;
+};
+
+struct pid_map *get_pid_map( unsigned int *num_entries ) DECLSPEC_HIDDEN;
+unsigned int find_owning_pid( struct pid_map *map, unsigned int num_entries, UINT_PTR inode ) DECLSPEC_HIDDEN;
+
 struct module_table
 {
     DWORD table;
@@ -116,3 +134,4 @@ extern const struct module ndis_module DECLSPEC_HIDDEN;
 extern const struct module ipv4_module DECLSPEC_HIDDEN;
 extern const struct module ipv6_module DECLSPEC_HIDDEN;
 extern const struct module tcp_module DECLSPEC_HIDDEN;
+extern const struct module udp_module DECLSPEC_HIDDEN;

dlls/nsiproxy.sys/tcp.c

@@ -230,13 +230,7 @@ static inline MIB_TCP_STATE tcp_state_to_mib_state( int state )
    }
 }
 
-struct ipv6_addr_scope
-{
-    IN6_ADDR addr;
-    DWORD scope;
-};
-
-static struct ipv6_addr_scope *get_ipv6_addr_scope_table( unsigned int *size )
+struct ipv6_addr_scope *get_ipv6_addr_scope_table( unsigned int *size )
 {
     struct ipv6_addr_scope *table = NULL;
     unsigned int table_size = 0, num = 0;
@@ -323,7 +317,7 @@ failed:
     return NULL;
 }
 
-static DWORD find_ipv6_addr_scope( const IN6_ADDR *addr, const struct ipv6_addr_scope *table, unsigned int size )
+DWORD find_ipv6_addr_scope( const IN6_ADDR *addr, const struct ipv6_addr_scope *table, unsigned int size )
 {
     const BYTE multicast_scope_mask = 0x0F;
     const BYTE multicast_scope_shift = 0;
@@ -343,13 +337,7 @@ static DWORD find_ipv6_addr_scope( const IN6_ADDR *addr, const struct ipv6_addr_
     return -1;
 }
 
-struct pid_map
-{
-    unsigned int pid;
-    unsigned int unix_pid;
-};
-
-static struct pid_map *get_pid_map( unsigned int *num_entries )
+struct pid_map *get_pid_map( unsigned int *num_entries )
 {
     struct pid_map *map;
     unsigned int i = 0, buffer_len = 4096, process_count, pos = 0;
@@ -405,7 +393,7 @@ static struct pid_map *get_pid_map( unsigned int *num_entries )
     return map;
 }
 
-static unsigned int find_owning_pid( struct pid_map *map, unsigned int num_entries, UINT_PTR inode )
+unsigned int find_owning_pid( struct pid_map *map, unsigned int num_entries, UINT_PTR inode )
 {
 #ifdef __linux__
     unsigned int i, len_socket;

dlls/nsiproxy.sys/udp.c

+/*
+ * nsiproxy.sys udp module
+ *
+ * Copyright 2003, 2006, 2011 Juan Lang
+ * Copyright 2021 Huw Davies
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+#include "config.h"
+#include <stdarg.h>
+
+#ifdef HAVE_SYS_SYSCTL_H
+#include <sys/sysctl.h>
+#endif
+
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+
+#ifdef HAVE_SYS_SOCKETVAR_H
+#include <sys/socketvar.h>
+#endif
+
+#ifdef HAVE_NETINET_IP_H
+#include <netinet/ip.h>
+#endif
+
+#ifdef HAVE_NETINET_IP_VAR_H
+#include <netinet/ip_var.h>
+#endif
+
+#ifdef HAVE_NETINET_IN_PCB_H
+#include <netinet/in_pcb.h>
+#endif
+
+#ifdef HAVE_NETINET_UDP_H
+#include <netinet/udp.h>
+#endif
+
+#ifdef HAVE_NETINET_UDP_VAR_H
+#include <netinet/udp_var.h>
+#endif
+
+#include "ntstatus.h"
+#define WIN32_NO_STATUS
+#include "windef.h"
+#include "winbase.h"
+#include "winternl.h"
+#define USE_WS_PREFIX
+#include "winsock2.h"
+#include "ifdef.h"
+#include "netiodef.h"
+#include "ws2ipdef.h"
+#include "udpmib.h"
+#include "wine/heap.h"
+#include "wine/nsi.h"
+#include "wine/debug.h"
+#include "wine/server.h"
+
+#include "nsiproxy_private.h"
+
+WINE_DEFAULT_DEBUG_CHANNEL(nsi);
+
+static NTSTATUS udp_endpoint_enumerate_all( void *key_data, DWORD key_size, void *rw_data, DWORD rw_size,
+                                            void *dynamic_data, DWORD dynamic_size,
+                                            void *static_data, DWORD static_size, DWORD_PTR *count )
+{
+    DWORD num = 0;
+    NTSTATUS status = STATUS_SUCCESS;
+    BOOL want_data = key_size || rw_size || dynamic_size || static_size;
+    struct nsi_udp_endpoint_key key, *key_out = key_data;
+    struct nsi_udp_endpoint_static stat, *stat_out = static_data;
+    struct ipv6_addr_scope *addr_scopes = NULL;
+    unsigned int addr_scopes_size = 0, pid_map_size = 0;
+    struct pid_map *pid_map = NULL;
+
+    TRACE( "%p %d %p %d %p %d %p %d %p\n", key_data, key_size, rw_data, rw_size,
+           dynamic_data, dynamic_size, static_data, static_size, count );
+
+#ifdef __linux__
+    {
+        FILE *fp;
+        char buf[512], *ptr;
+        int inode;
+
+        if (!(fp = fopen( "/proc/net/udp", "r" ))) return ERROR_NOT_SUPPORTED;
+
+        memset( &key, 0, sizeof(key) );
+        memset( &stat, 0, sizeof(stat) );
+        pid_map = get_pid_map( &pid_map_size );
+
+        /* skip header line */
+        ptr = fgets( buf, sizeof(buf), fp );
+        while ((ptr = fgets( buf, sizeof(buf), fp )))
+        {
+            if (sscanf( ptr, "%*u: %x:%hx %*s %*s %*s %*s %*s %*s %*s %d",
+                        &key.local.Ipv4.sin_addr.WS_s_addr, &key.local.Ipv4.sin_port, &inode ) != 3)
+                continue;
+
+            key.local.Ipv4.sin_family = WS_AF_INET;
+            key.local.Ipv4.sin_port = htons( key.local.Ipv4.sin_port );
+
+            stat.pid = find_owning_pid( pid_map, pid_map_size, inode );
+            stat.create_time = 0; /* FIXME */
+            stat.flags = 0; /* FIXME */
+            stat.mod_info = 0; /* FIXME */
+
+            if (num < *count)
+            {
+                if (key_out) *key_out++ = key;
+                if (stat_out) *stat_out++ = stat;
+            }
+            num++;
+        }
+        fclose( fp );
+
+        if ((fp = fopen( "/proc/net/udp6", "r" )))
+        {
+            memset( &key, 0, sizeof(key) );
+            memset( &stat, 0, sizeof(stat) );
+
+            addr_scopes = get_ipv6_addr_scope_table( &addr_scopes_size );
+
+            /* skip header line */
+            ptr = fgets( buf, sizeof(buf), fp );
+            while ((ptr = fgets( buf, sizeof(buf), fp )))
+            {
+                DWORD *local_addr = (DWORD *)&key.local.Ipv6.sin6_addr;
+
+                if (sscanf( ptr, "%*u: %8x%8x%8x%8x:%hx %*s %*s %*s %*s %*s %*s %*s %d",
+                            local_addr, local_addr + 1, local_addr + 2, local_addr + 3,
+                            &key.local.Ipv6.sin6_port, &inode ) != 6)
+                    continue;
+                key.local.Ipv6.sin6_family = WS_AF_INET6;
+                key.local.Ipv6.sin6_port = htons( key.local.Ipv6.sin6_port );
+                key.local.Ipv6.sin6_scope_id = find_ipv6_addr_scope( &key.local.Ipv6.sin6_addr, addr_scopes,
+                                                                     addr_scopes_size );
+
+                stat.pid = find_owning_pid( pid_map, pid_map_size, inode );
+                stat.create_time = 0; /* FIXME */
+                stat.flags = 0; /* FIXME */
+                stat.mod_info = 0; /* FIXME */
+
+                if (num < *count)
+                {
+                    if (key_out) *key_out++ = key;
+                    if (stat_out) *stat_out++ = stat;
+                }
+                num++;
+            }
+            fclose( fp );
+        }
+    }
+#elif defined(HAVE_SYS_SYSCTL_H) && defined(UDPCTL_PCBLIST) && defined(HAVE_STRUCT_XINPGEN)
+    {
+        int mib[] = { CTL_NET, PF_INET, IPPROTO_UDP, UDPCTL_PCBLIST };
+        size_t len = 0;
+        char *buf = NULL;
+        struct xinpgen *xig, *orig_xig;
+
+        if (sysctl( mib, ARRAY_SIZE(mib), NULL, &len, NULL, 0 ) < 0)
+        {
+            ERR( "Failure to read net.inet.udp.pcblist via sysctlbyname!\n" );
+            status = STATUS_NOT_SUPPORTED;
+            goto err;
+        }
+
+        buf = heap_alloc( len );
+        if (!buf)
+        {
+            status = STATUS_NO_MEMORY;
+            goto err;
+        }
+
+        if (sysctl( mib, ARRAY_SIZE(mib), buf, &len, NULL, 0 ) < 0)
+        {
+            ERR( "Failure to read net.inet.udp.pcblist via sysctlbyname!\n" );
+            status = STATUS_NOT_SUPPORTED;
+            goto err;
+        }
+
+        /* Might be nothing here; first entry is just a header it seems */
+        if (len <= sizeof(struct xinpgen)) goto err;
+
+        addr_scopes = get_ipv6_addr_scope_table( &addr_scopes_size );
+        pid_map = get_pid_map( &pid_map_size );
+
+        orig_xig = (struct xinpgen *)buf;
+        xig = orig_xig;
+
+        for (xig = (struct xinpgen *)((char *)xig + xig->xig_len);
+             xig->xig_len > sizeof (struct xinpgen);
+             xig = (struct xinpgen *)((char *)xig + xig->xig_len))
+        {
+#if __FreeBSD_version >= 1200026
+            struct xinpcb *in = (struct xinpcb *)xig;
+            struct xsocket *sock = &in->xi_socket;
+#else
+            struct inpcb *in = &((struct xinpcb *)xig)->xi_inp;
+            struct xsocket *sock = &((struct xinpcb *)xig)->xi_socket;
+#endif
+            static const struct in6_addr zero;
+
+            /* Ignore sockets for other protocols */
+            if (sock->xso_protocol != IPPROTO_UDP) continue;
+
+            /* Ignore PCBs that were freed while generating the data */
+            if (in->inp_gencnt > orig_xig->xig_gen) continue;
+
+            /* we're only interested in IPv4 and IPv6 addresses */
+            if (!(in->inp_vflag & (INP_IPV4 | INP_IPV6))) continue;
+
+            /* If all 0's, skip it */
+            if (in->inp_vflag & INP_IPV4 && !in->inp_laddr.s_addr) continue;
+            if (in->inp_vflag & INP_IPV6 && !memcmp( &in->in6p_laddr, &zero, sizeof(zero) ) && !in->inp_lport) continue;
+
+            if (in->inp_vflag & INP_IPV4)
+            {
+                key.local.Ipv4.sin_family = WS_AF_INET;
+                key.local.Ipv4.sin_addr.WS_s_addr = in->inp_laddr.s_addr;
+                key.local.Ipv4.sin_port = in->inp_lport;
+            }
+            else
+            {
+                key.local.Ipv6.sin6_family = WS_AF_INET6;
+                memcpy( &key.local.Ipv6.sin6_addr, &in->in6p_laddr, sizeof(in->in6p_laddr) );
+                key.local.Ipv6.sin6_port = in->inp_lport;
+                key.local.Ipv6.sin6_scope_id = find_ipv6_addr_scope( &key.local.Ipv6.sin6_addr, addr_scopes,
+                                                                     addr_scopes_size );
+            }
+
+            stat.pid = find_owning_pid( pid_map, pid_map_size, (UINT_PTR)sock->so_pcb );
+            stat.create_time = 0; /* FIXME */
+            stat.flags = !(in->inp_flags & INP_ANONPORT);
+            stat.mod_info = 0; /* FIXME */
+
+            if (num < *count)
+            {
+                if (key_out) *key_out++ = key;
+                if (stat_out) *stat_out++ = stat;
+            }
+            num++;
+        }
+    err:
+        heap_free( buf );
+    }
+#else
+    FIXME( "not implemented\n" );
+    return STATUS_NOT_IMPLEMENTED;
+#endif
+
+    if (!want_data || num <= *count) *count = num;
+    else status = STATUS_MORE_ENTRIES;
+
+    heap_free( pid_map );
+    heap_free( addr_scopes );
+    return status;
+}
+
+static struct module_table udp_tables[] =
+{
+    {
+        NSI_UDP_ENDPOINT_TABLE,
+        {
+            sizeof(struct nsi_udp_endpoint_key), 0,
+            0, sizeof(struct nsi_udp_endpoint_static)
+        },
+        udp_endpoint_enumerate_all,
+    },
+    {
+        ~0u
+    }
+};
+
+const struct module udp_module =
+{
+    &NPI_MS_UDP_MODULEID,
+    udp_tables
+};

include/wine/nsi.h

@@ -346,6 +346,24 @@ struct nsi_tcp_conn_static
     ULONGLONG mod_info;
 };
 
+/* Undocumented NSI UDP tables */
+#define NSI_UDP_ENDPOINT_TABLE             1
+
+struct nsi_udp_endpoint_key
+{
+    SOCKADDR_INET local;
+};
+
+struct nsi_udp_endpoint_static
+{
+    DWORD pid;
+    DWORD unk;
+    ULONGLONG create_time;
+    DWORD flags;
+    DWORD unk2;
+    ULONGLONG mod_info;
+};
+
 /* Wine specific ioctl interface */
 
 #define IOCTL_NSIPROXY_WINE_ENUMERATE_ALL         CTL_CODE(FILE_DEVICE_NETWORK, 0x400, METHOD_BUFFERED, 0)