Chip Davis : iphlpapi: Implement GetTcp6Table() for Mac OS and FreeBSD.
Module: wine Branch: master Commit: 57fe49f8581a217a9581f491dd1bbea11902f7ff URL: https://source.winehq.org/git/wine.git/?a=commit;h=57fe49f8581a217a9581f491d... Author: Chip Davis <cdavis(a)codeweavers.com> Date: Sun Apr 5 17:29:01 2020 -0500 iphlpapi: Implement GetTcp6Table() for Mac OS and FreeBSD. Signed-off-by: Chip Davis <cdavis(a)codeweavers.com> Signed-off-by: Alexandre Julliard <julliard(a)winehq.org> --- 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 f0b412c3a6..ae6ccafbf4 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;
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Alexandre Julliard