Library import 16 (#2433)

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1 files changed, 391 insertions, 0 deletions

diff --git a/contrib/tools/python3/Modules/socketmodule.h b/contrib/tools/python3/Modules/socketmodule.h
new file mode 100644
index 00000000000..d55c02fd156
--- /dev/null
+++ b/contrib/tools/python3/Modules/socketmodule.h
@@ -0,0 +1,391 @@
+/* Socket module header file */
+
+/* Includes needed for the sockaddr_* symbols below */
+#ifndef MS_WINDOWS
+#ifdef __VMS
+#   include <socket.h>
+# else
+#   include <sys/socket.h>
+# endif
+# include <netinet/in.h>
+# include <netinet/tcp.h>
+
+#else /* MS_WINDOWS */
+# include <winsock2.h>
+
+/*
+ * If Windows has bluetooth support, include bluetooth constants.
+ */
+#ifdef AF_BTH
+# include <ws2bth.h>
+# include <pshpack1.h>
+
+/*
+ * The current implementation assumes the bdaddr in the sockaddr structs
+ * will be a bdaddr_t. We treat this as an opaque type: on *nix systems, it
+ * will be a struct with a single member (an array of six bytes). On windows,
+ * we typedef this to ULONGLONG to match the Windows definition.
+ */
+typedef ULONGLONG bdaddr_t;
+
+/*
+ * Redefine SOCKADDR_BTH to provide names compatible with _BT_RC_MEMB() macros.
+ */
+struct SOCKADDR_BTH_REDEF {
+    union {
+        USHORT    addressFamily;
+        USHORT    family;
+    };
+
+    union {
+        ULONGLONG btAddr;
+        bdaddr_t  bdaddr;
+    };
+
+    GUID      serviceClassId;
+
+    union {
+        ULONG     port;
+        ULONG     channel;
+    };
+
+};
+# include <poppack.h>
+#endif
+
+/* Windows 'supports' CMSG_LEN, but does not follow the POSIX standard
+ * interface at all, so there is no point including the code that
+ * attempts to use it.
+ */
+# ifdef PySocket_BUILDING_SOCKET
+#  undef CMSG_LEN
+# endif
+# include <ws2tcpip.h>
+/* VC6 is shipped with old platform headers, and does not have MSTcpIP.h
+ * Separate SDKs have all the functions we want, but older ones don't have
+ * any version information.
+ * I use SIO_GET_MULTICAST_FILTER to detect a decent SDK.
+ */
+# ifdef SIO_GET_MULTICAST_FILTER
+#  include <mstcpip.h> /* for SIO_RCVALL */
+#  define HAVE_ADDRINFO
+#  define HAVE_SOCKADDR_STORAGE
+#  define HAVE_GETADDRINFO
+#  define HAVE_GETNAMEINFO
+#  define ENABLE_IPV6
+# else
+typedef int socklen_t;
+# endif /* IPPROTO_IPV6 */
+
+/* Remove ifdef once Py_WINVER >= 0x0604
+ * socket.h only defines AF_HYPERV if _WIN32_WINNT is at that level or higher
+ * so for now it's just manually defined.
+ */
+# ifndef AF_HYPERV
+#  define AF_HYPERV 34
+# endif
+# include <hvsocket.h>
+#endif /* MS_WINDOWS */
+
+#ifdef HAVE_SYS_UN_H
+# include <sys/un.h>
+#else
+# undef AF_UNIX
+#endif
+
+#ifdef HAVE_LINUX_NETLINK_H
+# ifdef HAVE_ASM_TYPES_H
+#  include <asm/types.h>
+# endif
+# include <linux/netlink.h>
+#else
+#  undef AF_NETLINK
+#endif
+
+#ifdef HAVE_LINUX_QRTR_H
+# ifdef HAVE_ASM_TYPES_H
+#  include <asm/types.h>
+# endif
+# include <linux/qrtr.h>
+#else
+#  undef AF_QIPCRTR
+#endif
+
+#ifdef HAVE_BLUETOOTH_BLUETOOTH_H
+#error #include <bluetooth/bluetooth.h>
+#error #include <bluetooth/rfcomm.h>
+#error #include <bluetooth/l2cap.h>
+#error #include <bluetooth/sco.h>
+#error #include <bluetooth/hci.h>
+#endif
+
+#ifdef HAVE_BLUETOOTH_H
+#error #include <bluetooth.h>
+#endif
+
+#ifdef HAVE_NET_IF_H
+# include <net/if.h>
+#endif
+
+#ifdef HAVE_NETPACKET_PACKET_H
+# include <sys/ioctl.h>
+# include <netpacket/packet.h>
+#endif
+
+#ifdef HAVE_LINUX_TIPC_H
+# include <linux/tipc.h>
+#endif
+
+#ifdef HAVE_LINUX_CAN_H
+# include <linux/can.h>
+#elif defined(HAVE_NETCAN_CAN_H)
+# error #include <netcan/can.h>
+#else
+# undef AF_CAN
+# undef PF_CAN
+#endif
+
+#ifdef HAVE_LINUX_CAN_RAW_H
+#include <linux/can/raw.h>
+#endif
+
+#ifdef HAVE_LINUX_CAN_BCM_H
+#include <linux/can/bcm.h>
+#endif
+
+#ifdef HAVE_LINUX_CAN_J1939_H
+#include <linux/can/j1939.h>
+#endif
+
+#ifdef HAVE_SYS_SYS_DOMAIN_H
+#include <sys/sys_domain.h>
+#endif
+#ifdef HAVE_SYS_KERN_CONTROL_H
+#include <sys/kern_control.h>
+#endif
+
+#ifdef HAVE_LINUX_VM_SOCKETS_H
+# include <linux/vm_sockets.h>
+#else
+# undef AF_VSOCK
+#endif
+
+#ifdef HAVE_SOCKADDR_ALG
+
+# include <linux/if_alg.h>
+# ifndef AF_ALG
+#  define AF_ALG 38
+# endif
+# ifndef SOL_ALG
+#  define SOL_ALG 279
+# endif
+
+/* Linux 3.19 */
+# ifndef ALG_SET_AEAD_ASSOCLEN
+#  define ALG_SET_AEAD_ASSOCLEN           4
+# endif
+# ifndef ALG_SET_AEAD_AUTHSIZE
+#  define ALG_SET_AEAD_AUTHSIZE           5
+# endif
+/* Linux 4.8 */
+# ifndef ALG_SET_PUBKEY
+#  define ALG_SET_PUBKEY                  6
+# endif
+
+# ifndef ALG_OP_SIGN
+#  define ALG_OP_SIGN                     2
+# endif
+# ifndef ALG_OP_VERIFY
+#  define ALG_OP_VERIFY                   3
+# endif
+
+#endif /* HAVE_SOCKADDR_ALG */
+
+#ifdef __EMSCRIPTEN__
+// wasm32-emscripten sockets only support subset of IPv4 and IPv6.
+// SCTP protocol crashes runtime.
+#ifdef IPPROTO_SCTP
+#  undef IPPROTO_SCTP
+#endif
+// setsockopt() fails with ENOPROTOOPT, getsockopt only supports SO_ERROR.
+// undef SO_REUSEADDR and SO_REUSEPORT so they cannot be used.
+#ifdef SO_REUSEADDR
+#  undef SO_REUSEADDR
+#endif
+#ifdef SO_REUSEPORT
+#  undef SO_REUSEPORT
+#endif
+#endif // __EMSCRIPTEN__
+
+#ifndef Py__SOCKET_H
+#define Py__SOCKET_H
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Python module and C API name */
+#define PySocket_MODULE_NAME    "_socket"
+#define PySocket_CAPI_NAME      "CAPI"
+#define PySocket_CAPSULE_NAME   PySocket_MODULE_NAME "." PySocket_CAPI_NAME
+
+/* Abstract the socket file descriptor type */
+#ifdef MS_WINDOWS
+typedef SOCKET SOCKET_T;
+#       ifdef MS_WIN64
+#               define SIZEOF_SOCKET_T 8
+#       else
+#               define SIZEOF_SOCKET_T 4
+#       endif
+#else
+typedef int SOCKET_T;
+#       define SIZEOF_SOCKET_T SIZEOF_INT
+#endif
+
+#if SIZEOF_SOCKET_T <= SIZEOF_LONG
+#define PyLong_FromSocket_t(fd) PyLong_FromLong((SOCKET_T)(fd))
+#define PyLong_AsSocket_t(fd) (SOCKET_T)PyLong_AsLong(fd)
+#else
+#define PyLong_FromSocket_t(fd) PyLong_FromLongLong((SOCKET_T)(fd))
+#define PyLong_AsSocket_t(fd) (SOCKET_T)PyLong_AsLongLong(fd)
+#endif
+
+// AF_HYPERV is only supported on Windows
+#if defined(AF_HYPERV) && defined(MS_WINDOWS)
+#  define HAVE_AF_HYPERV
+#endif
+
+/* Socket address */
+typedef union sock_addr {
+    struct sockaddr_in in;
+    struct sockaddr sa;
+#ifdef AF_UNIX
+    struct sockaddr_un un;
+#endif
+#ifdef AF_NETLINK
+    struct sockaddr_nl nl;
+#endif
+#ifdef ENABLE_IPV6
+    struct sockaddr_in6 in6;
+    struct sockaddr_storage storage;
+#endif
+#if defined(HAVE_BLUETOOTH_H) && defined(__FreeBSD__)
+    struct sockaddr_l2cap bt_l2;
+    struct sockaddr_rfcomm bt_rc;
+    struct sockaddr_sco bt_sco;
+    struct sockaddr_hci bt_hci;
+#elif defined(HAVE_BLUETOOTH_BLUETOOTH_H)
+    struct sockaddr_l2 bt_l2;
+    struct sockaddr_rc bt_rc;
+    struct sockaddr_sco bt_sco;
+    struct sockaddr_hci bt_hci;
+#elif defined(MS_WINDOWS)
+    struct SOCKADDR_BTH_REDEF bt_rc;
+#endif
+#ifdef HAVE_NETPACKET_PACKET_H
+    struct sockaddr_ll ll;
+#endif
+#if defined(HAVE_LINUX_CAN_H) || defined(HAVE_NETCAN_CAN_H)
+    struct sockaddr_can can;
+#endif
+#ifdef HAVE_SYS_KERN_CONTROL_H
+    struct sockaddr_ctl ctl;
+#endif
+#ifdef HAVE_SOCKADDR_ALG
+    struct sockaddr_alg alg;
+#endif
+#ifdef AF_QIPCRTR
+    struct sockaddr_qrtr sq;
+#endif
+#ifdef AF_VSOCK
+    struct sockaddr_vm vm;
+#endif
+#ifdef HAVE_LINUX_TIPC_H
+    struct sockaddr_tipc tipc;
+#endif
+#ifdef HAVE_AF_HYPERV
+    SOCKADDR_HV hv;
+#endif
+} sock_addr_t;
+
+/* The object holding a socket.  It holds some extra information,
+   like the address family, which is used to decode socket address
+   arguments properly. */
+
+typedef struct {
+    PyObject_HEAD
+    SOCKET_T sock_fd;           /* Socket file descriptor */
+    int sock_family;            /* Address family, e.g., AF_INET */
+    int sock_type;              /* Socket type, e.g., SOCK_STREAM */
+    int sock_proto;             /* Protocol type, usually 0 */
+    PyObject *(*errorhandler)(void); /* Error handler; checks
+                                        errno, returns NULL and
+                                        sets a Python exception */
+    _PyTime_t sock_timeout;     /* Operation timeout in seconds;
+                                        0.0 means non-blocking */
+    struct _socket_state *state;
+} PySocketSockObject;
+
+/* --- C API ----------------------------------------------------*/
+
+/* Short explanation of what this C API export mechanism does
+   and how it works:
+
+    The _ssl module needs access to the type object defined in
+    the _socket module. Since cross-DLL linking introduces a lot of
+    problems on many platforms, the "trick" is to wrap the
+    C API of a module in a struct which then gets exported to
+    other modules via a PyCapsule.
+
+    The code in socketmodule.c defines this struct (which currently
+    only contains the type object reference, but could very
+    well also include other C APIs needed by other modules)
+    and exports it as PyCapsule via the module dictionary
+    under the name "CAPI".
+
+    Other modules can now include the socketmodule.h file
+    which defines the needed C APIs to import and set up
+    a static copy of this struct in the importing module.
+
+    After initialization, the importing module can then
+    access the C APIs from the _socket module by simply
+    referring to the static struct, e.g.
+
+    Load _socket module and its C API; this sets up the global
+    PySocketModule:
+
+    if (PySocketModule_ImportModuleAndAPI())
+        return;
+
+
+    Now use the C API as if it were defined in the using
+    module:
+
+    if (!PyArg_ParseTuple(args, "O!|zz:ssl",
+
+                          PySocketModule.Sock_Type,
+
+                          (PyObject*)&Sock,
+                          &key_file, &cert_file))
+        return NULL;
+
+    Support could easily be extended to export more C APIs/symbols
+    this way. Currently, only the type object is exported,
+    other candidates would be socket constructors and socket
+    access functions.
+
+*/
+
+/* C API for usage by other Python modules.
+ * Always add new things to the end for binary compatibility. */
+typedef struct {
+    PyTypeObject *Sock_Type;
+    PyObject *error;
+    PyObject *timeout_error;
+} PySocketModule_APIObject;
+
+#define PySocketModule_ImportModuleAndAPI() PyCapsule_Import(PySocket_CAPSULE_NAME, 1)
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* !Py__SOCKET_H */