[PATCH 2/3] iphlpapi: Implement GetTcp6Table() for Mac OS and FreeBSD.
Chip Davis
cdavis at codeweavers.com
Sun Apr 5 17:29:01 CDT 2020
Signed-off-by: Chip Davis <cdavis at codeweavers.com>
---
dlls/iphlpapi/ipstats.c | 166 +++++++++++++++++++++++++++++++++++++++-
1 file changed, 165 insertions(+), 1 deletion(-)
diff --git a/dlls/iphlpapi/ipstats.c b/dlls/iphlpapi/ipstats.c
index f0b412c3a6a..ae6ccafbf44 100644
--- a/dlls/iphlpapi/ipstats.c
+++ b/dlls/iphlpapi/ipstats.c
@@ -139,6 +139,9 @@
#ifdef HAVE_LIBPROC_H
#include <libproc.h>
#endif
+#ifdef HAVE_IFADDRS_H
+#include <ifaddrs.h>
+#endif
#ifndef ROUNDUP
#define ROUNDUP(a) \
@@ -2652,7 +2655,7 @@ static int compare_udp6_rows(const void *a, const void *b)
return rowA->dwLocalPort - rowB->dwLocalPort;
}
-#ifdef __linux__
+#if defined(__linux__) || (defined(HAVE_SYS_SYSCTL_H) && defined(HAVE_STRUCT_XINPGEN))
struct ipv6_addr_scope
{
IN6_ADDR addr;
@@ -2663,12 +2666,17 @@ static struct ipv6_addr_scope *get_ipv6_addr_scope_table(unsigned int *size)
{
struct ipv6_addr_scope *table = NULL;
unsigned int table_size = 0;
+#ifdef __linux__
char buf[512], *ptr;
FILE *fp;
+#elif defined(HAVE_GETIFADDRS)
+ struct ifaddrs *addrs, *cur;
+#endif
if (!(table = HeapAlloc( GetProcessHeap(), 0, sizeof(table[0]) )))
return NULL;
+#ifdef __linux__
if (!(fp = fopen( "/proc/net/if_inet6", "r" )))
goto failed;
@@ -2705,6 +2713,40 @@ static struct ipv6_addr_scope *get_ipv6_addr_scope_table(unsigned int *size)
}
fclose(fp);
+#elif defined(HAVE_GETIFADDRS)
+ if (getifaddrs(&addrs) == -1)
+ goto failed;
+
+ for (cur = addrs; cur; cur = cur->ifa_next)
+ {
+ struct sockaddr_in6 *sin6;
+ struct ipv6_addr_scope *new_table;
+ struct ipv6_addr_scope *entry;
+
+ if (cur->ifa_addr->sa_family != AF_INET6)
+ continue;
+
+ sin6 = (struct sockaddr_in6 *)cur->ifa_addr;
+
+ table_size++;
+ if (!(new_table = HeapReAlloc( GetProcessHeap(), 0, table, table_size * sizeof(table[0]) )))
+ {
+ freeifaddrs(addrs);
+ goto failed;
+ }
+
+ table = new_table;
+ entry = &table[table_size - 1];
+
+ memcpy(&entry->addr, &sin6->sin6_addr, sizeof(entry->addr));
+ entry->scope = sin6->sin6_scope_id;
+ }
+
+ freeifaddrs(addrs);
+#else
+ FIXME( "not implemented\n" );
+ goto failed;
+#endif
*size = table_size;
return table;
@@ -2822,6 +2864,128 @@ DWORD build_tcp6_table( TCP_TABLE_CLASS class, void **tablep, BOOL order, HANDLE
}
else ret = ERROR_NOT_SUPPORTED;
}
+#elif defined(HAVE_SYS_SYSCTL_H) && defined(HAVE_STRUCT_XINPGEN)
+ {
+ static const char zero[sizeof(IN6_ADDR)] = {0};
+
+ MIB_TCP6ROW_OWNER_MODULE row;
+ size_t len = 0;
+ char *buf = NULL;
+ struct xinpgen *xig, *orig_xig;
+ struct pid_map *map = NULL;
+ unsigned num_entries;
+ struct ipv6_addr_scope *addr_scopes = NULL;
+ unsigned int addr_scopes_size = 0;
+
+ if (sysctlbyname( "net.inet.tcp.pcblist", NULL, &len, NULL, 0 ) < 0)
+ {
+ ERR( "Failure to read net.inet.tcp.pcblist via sysctlbyname!\n" );
+ ret = ERROR_NOT_SUPPORTED;
+ goto done;
+ }
+
+ buf = HeapAlloc( GetProcessHeap(), 0, len );
+ if (!buf)
+ {
+ ret = ERROR_OUTOFMEMORY;
+ goto done;
+ }
+
+ if (sysctlbyname( "net.inet.tcp.pcblist", buf, &len, NULL, 0 ) < 0)
+ {
+ ERR( "Failure to read net.inet.tcp.pcblist via sysctlbyname!\n" );
+ ret = ERROR_NOT_SUPPORTED;
+ goto done;
+ }
+
+ addr_scopes = get_ipv6_addr_scope_table( &addr_scopes_size );
+ if (!addr_scopes)
+ {
+ ret = ERROR_OUTOFMEMORY;
+ goto done;
+ }
+
+ if (class >= TCP_TABLE_OWNER_PID_LISTENER) map = get_pid_map( &num_entries );
+
+ /* Might be nothing here; first entry is just a header it seems */
+ if (len <= sizeof (struct xinpgen)) goto done;
+
+ 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 xtcpcb *tcp = (struct xtcpcb *)xig;
+ struct xinpcb *in = &tcp->xt_inp;
+ struct xsocket *sock = &in->xi_socket;
+#else
+ struct tcpcb *tcp = &((struct xtcpcb *)xig)->xt_tp;
+ struct inpcb *in = &((struct xtcpcb *)xig)->xt_inp;
+ struct xsocket *sock = &((struct xtcpcb *)xig)->xt_socket;
+#endif
+
+ /* Ignore sockets for other protocols */
+ if (sock->xso_protocol != IPPROTO_TCP)
+ continue;
+
+ /* Ignore PCBs that were freed while generating the data */
+ if (in->inp_gencnt > orig_xig->xig_gen)
+ continue;
+
+ /* we're only interested in IPv6 addresses */
+ if (!(in->inp_vflag & INP_IPV6) ||
+ (in->inp_vflag & INP_IPV4))
+ continue;
+
+ /* If all 0's, skip it */
+ if (!memcmp( &in->in6p_laddr, zero, sizeof(zero) ) && !in->inp_lport &&
+ !memcmp( &in->in6p_faddr, zero, sizeof(zero) ) && !in->inp_fport)
+ continue;
+
+ /* Fill in structure details */
+ memcpy( &row.ucLocalAddr, &in->in6p_laddr.s6_addr, sizeof(row.ucLocalAddr) );
+ row.dwLocalPort = in->inp_lport;
+ row.dwLocalScopeId = find_ipv6_addr_scope( (const IN6_ADDR *)&row.ucLocalAddr, addr_scopes, addr_scopes_size );
+ memcpy( &row.ucRemoteAddr, &in->in6p_faddr.s6_addr, sizeof(row.ucRemoteAddr) );
+ row.dwRemotePort = in->inp_fport;
+ row.dwLocalScopeId = find_ipv6_addr_scope( (const IN6_ADDR *)&row.ucRemoteAddr, addr_scopes, addr_scopes_size );
+ row.dwState = TCPStateToMIBState( tcp->t_state );
+ if (!match_class( class, row.dwState )) continue;
+
+ if (class <= TCP_TABLE_BASIC_ALL)
+ {
+ /* MIB_TCP6ROW has a different field order */
+ MIB_TCP6ROW basic_row;
+ basic_row.State = row.dwState;
+ memcpy( &basic_row.LocalAddr, &row.ucLocalAddr, sizeof(row.ucLocalAddr) );
+ basic_row.dwLocalScopeId = row.dwLocalScopeId;
+ basic_row.dwLocalPort = row.dwLocalPort;
+ memcpy( &basic_row.RemoteAddr, &row.ucRemoteAddr, sizeof(row.ucRemoteAddr) );
+ basic_row.dwRemoteScopeId = row.dwRemoteScopeId;
+ basic_row.dwRemotePort = row.dwRemotePort;
+ if (!(table = append_table_row( heap, flags, table, &table_size, &count, &basic_row, row_size )))
+ break;
+ continue;
+ }
+
+ row.dwOwningPid = find_owning_pid( map, num_entries, (UINT_PTR)sock->so_pcb );
+ if (class >= TCP_TABLE_OWNER_MODULE_LISTENER)
+ {
+ row.liCreateTimestamp.QuadPart = 0; /* FIXME */
+ memset( &row.OwningModuleInfo, 0, sizeof(row.OwningModuleInfo) );
+ }
+ if (!(table = append_table_row( heap, flags, table, &table_size, &count, &row, row_size )))
+ break;
+ }
+
+ done:
+ HeapFree( GetProcessHeap(), 0, map );
+ HeapFree( GetProcessHeap(), 0, buf );
+ HeapFree( GetProcessHeap(), 0, addr_scopes );
+ }
#else
FIXME( "not implemented\n" );
ret = ERROR_NOT_SUPPORTED;
--
2.24.0
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