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authorErlang/OTP <[email protected]>2009-11-20 14:54:40 +0000
committerErlang/OTP <[email protected]>2009-11-20 14:54:40 +0000
commit84adefa331c4159d432d22840663c38f155cd4c1 (patch)
treebff9a9c66adda4df2106dfd0e5c053ab182a12bd /lib/ssl/c_src/esock.h
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The R13B03 release.OTP_R13B03
Diffstat (limited to 'lib/ssl/c_src/esock.h')
-rw-r--r--lib/ssl/c_src/esock.h273
1 files changed, 273 insertions, 0 deletions
diff --git a/lib/ssl/c_src/esock.h b/lib/ssl/c_src/esock.h
new file mode 100644
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+++ b/lib/ssl/c_src/esock.h
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+/*<copyright>
+ * <year>1999-2008</year>
+ * <holder>Ericsson AB, All Rights Reserved</holder>
+ *</copyright>
+ *<legalnotice>
+ * The contents of this file are subject to the Erlang Public License,
+ * Version 1.1, (the "License"); you may not use this file except in
+ * compliance with the License. You should have received a copy of the
+ * Erlang Public License along with this software. If not, it can be
+ * retrieved online at http://www.erlang.org/.
+ *
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+ * the License for the specific language governing rights and limitations
+ * under the License.
+ *
+ * The Initial Developer of the Original Code is Ericsson AB.
+ *</legalnotice>
+ */
+/*
+ * Purpose: Implementation of Secure Socket Layer (SSL).
+ *
+ */
+
+#ifndef ESOCK_H
+#define ESOCK_H
+
+#ifdef __WIN32__
+#include "esock_winsock.h"
+#endif
+#include <stdio.h>
+
+#ifdef __WIN32__
+#define INVALID_FD INVALID_SOCKET
+
+#define sock_read(fd, buf, len) recv((fd), (buf), (len), 0)
+#define sock_write(fd, buf, len) send((fd), (buf), (len), 0)
+#define sock_close(fd) closesocket(fd)
+#define sock_errno() WSAGetLastError()
+#define sock_set_errno(err) WSASetLastError(err)
+
+#define ERRNO_NONE 0
+#define ERRNO_BLOCK WSAEWOULDBLOCK
+#define ERRNO_CONNREFUSED WSAECONNREFUSED
+#define ERRNO_PROGRESS WSAEINPROGRESS
+#define ERRNO_PROTONOSUPPORT WSAEPROTONOSUPPORT
+#define ERRNO_INVAL WSAEINVAL
+#define ERRNO_ADDRNOTAVAIL WSAEADDRNOTAVAIL
+#define ERRNO_NOTSOCK WSAENOTSOCK
+#define ERRNO_OPNOTSUPP WSAEOPNOTSUPP
+#define ERRNO_MFILE WSAEMFILE
+#define SET_BLOCKING(fd) do { \
+ unsigned long zeroval = 0; \
+ ioctlsocket((fd), FIONBIO, &zeroval); \
+ } while (0)
+#define SET_NONBLOCKING(fd) do { \
+ unsigned long oneval = 1; \
+ ioctlsocket((fd), FIONBIO, &oneval); \
+ } while (0)
+#else
+#define INVALID_FD (-1)
+
+#define sock_read(fd, buf, len) read((fd), (buf), (len))
+#define sock_write(fd, buf, len) write((fd), (buf), (len))
+#define sock_close(fd) close(fd)
+#define sock_errno() errno
+#define sock_set_errno(err) do {errno = (err);} while(0)
+
+#define ERRNO_NONE 0
+#define ERRNO_BLOCK EAGAIN
+#define ERRNO_CONNREFUSED ECONNREFUSED
+#define ERRNO_PROGRESS EINPROGRESS
+#define ERRNO_PROTONOSUPPORT EPROTONOSUPPORT
+#define ERRNO_INVAL EINVAL
+#define ERRNO_ADDRNOTAVAIL EADDRNOTAVAIL
+#define ERRNO_NOTSOCK ENOTSOCK
+#define ERRNO_OPNOTSUPP EOPNOTSUPP
+#define ERRNO_MFILE EMFILE
+#define SET_BLOCKING(fd) fcntl((fd), F_SETFL, \
+ fcntl((fd), F_GETFL, 0) & ~O_NONBLOCK)
+#define SET_NONBLOCKING(fd) fcntl((fd), F_SETFL, \
+ fcntl((fd), F_GETFL, 0) | O_NONBLOCK)
+#endif
+
+#define GET_INT8(s) ((s)[0])
+#define GET_INT16(s) (((s)[0] << 8) | (s)[1])
+#define GET_INT32(s) (((s)[0] << 24) | ((s)[1] << 16) | \
+ ((s)[2] << 8) | (s)[3])
+
+#define PUT_INT8(x, s) do { (s)[0] = x; } while(0)
+#define PUT_INT16(x, s) do { (s)[0] = ((x) >> 8) & 0xff; \
+ (s)[1] = ((x) & 0xff); } while(0)
+#define PUT_INT32(x, s) do { (s)[0] = ((x) >> 24) & 0xff; \
+ (s)[1] = ((x) >> 16) & 0xff; \
+ (s)[2] = ((x) >> 8) & 0xff; \
+ (s)[3] = (x) & 0xff; } while(0)
+
+/* type for Connections */
+#define ESOCK_STATE_NONE 0
+#define ESOCK_ACTIVE_LISTENING 1
+#define ESOCK_PASSIVE_LISTENING 2
+#define ESOCK_CONNECTED 3
+#define ESOCK_WAIT_CONNECT 4
+#define ESOCK_SSL_CONNECT 5
+#define ESOCK_SSL_ACCEPT 6
+#define ESOCK_TRANSPORT_ACCEPT 7
+#define ESOCK_JOINED 8
+#define ESOCK_SSL_SHUTDOWN 9
+#define ESOCK_DEFUNCT 10
+
+#ifdef __WIN32__
+ typedef SOCKET FD;
+#else
+ typedef int FD;
+#endif
+
+/* For the shutdown(fd, how) call */
+#ifdef __WIN32__
+#define SHUTDOWN_READ SD_RECEIVE
+#define SHUTDOWN_WRITE SD_SEND
+#define SHUTDOWN_ALL SD_BOTH
+#else
+#define SHUTDOWN_READ 0
+#define SHUTDOWN_WRITE 1
+#define SHUTDOWN_ALL 2
+#endif
+
+#define ORIG_LISTEN 0
+#define ORIG_ACCEPT 1
+#define ORIG_CONNECT 2
+
+typedef struct {
+ int size; /* Total size of buf */
+ unsigned char *buf;
+ int len; /* Current number of bytes in buf */
+ int offset; /* Bytes already written */
+} WriteQueue;
+
+typedef struct _proxy Proxy;
+
+typedef struct Connection {
+ FD fd;
+ FD listen_fd; /* Needed for async listen error */
+ unsigned char state;
+ int acceptors; /* Count acceptors for listen socket */
+ Proxy *proxy;
+ void *opaque; /* Any suitable ssl structure */
+ int ssl_want; /* read/write flags */
+ int eof; /* end of file (read) */
+ int bp; /* broken pipe (write) */
+ int clean; /* Clean SSL shutdown initiated */
+ int close; /* Close if set */
+ int origin; /* listen, accept or connect */
+ int encrypted; /* 1 = SSL encrypted, 0 = normal, unencrypted tcp */
+ char *flags; /* ssl parameters */
+ FILE *logfp; /* connection log file (not used) */
+ WriteQueue wq;
+ struct Connection* next;
+ const char* errstr; /* only used to report errors from ssl_accept_init in SSL_ACCEPT */
+} Connection;
+
+struct _proxy {
+ FD fd;
+ int peer_port;
+ int eof; /* end of file (read) */
+ int bp; /* broken pipe (write) */
+ Connection *conn;
+ WriteQueue wq;
+ Proxy *next;
+};
+
+/* Commands, replies, and error responses */
+
+#define ESOCK_CONNECT_CMD 1
+#define ESOCK_CONNECT_WAIT_REP 2
+#define ESOCK_CONNECT_REP 3
+#define ESOCK_CONNECT_ERR 4
+
+#define ESOCK_TERMINATE_CMD 5
+#define ESOCK_CLOSE_CMD 6
+
+#define ESOCK_LISTEN_CMD 7
+#define ESOCK_LISTEN_REP 8
+#define ESOCK_LISTEN_ERR 9
+
+#define ESOCK_TRANSPORT_ACCEPT_CMD 10
+#define ESOCK_NOACCEPT_CMD 11
+#define ESOCK_TRANSPORT_ACCEPT_REP 12
+#define ESOCK_TRANSPORT_ACCEPT_ERR 13
+
+#define ESOCK_FROMNET_CLOSE_REP 14
+
+#define ESOCK_CONNECT_SYNC_ERR 15
+#define ESOCK_LISTEN_SYNC_ERR 16
+
+#define ESOCK_PROXY_PORT_REP 23
+#define ESOCK_PROXY_JOIN_CMD 24
+#define ESOCK_PROXY_JOIN_REP 25
+#define ESOCK_PROXY_JOIN_ERR 26
+
+#define ESOCK_SET_SOCKOPT_CMD 27
+#define ESOCK_IOCTL_OK 28
+#define ESOCK_IOCTL_ERR 29
+
+#define ESOCK_GETPEERNAME_CMD 30
+#define ESOCK_GETPEERNAME_REP 31
+#define ESOCK_GETPEERNAME_ERR 32
+
+#define ESOCK_GETSOCKNAME_CMD 33
+#define ESOCK_GETSOCKNAME_REP 34
+#define ESOCK_GETSOCKNAME_ERR 35
+
+#define ESOCK_GETPEERCERT_CMD 36
+#define ESOCK_GETPEERCERT_REP 37
+#define ESOCK_GETPEERCERT_ERR 38
+
+#define ESOCK_GETVERSION_CMD 39
+#define ESOCK_GETVERSION_REP 40
+
+#define ESOCK_SET_SEED_CMD 41
+
+#define ESOCK_GETCONNINFO_CMD 42
+#define ESOCK_GETCONNINFO_REP 43
+#define ESOCK_GETCONNINFO_ERR 44
+
+#define ESOCK_SSL_ACCEPT_CMD 45
+#define ESOCK_SSL_ACCEPT_REP 46
+#define ESOCK_SSL_ACCEPT_ERR 47
+
+#define ESOCK_DUMP_STATE_CMD 48
+#define ESOCK_SET_DEBUG_CMD 49
+#define ESOCK_SET_DEBUGMSG_CMD 50
+
+
+/* Option codes for ESOCK_SET_SOCKOPT_CMD */
+#define ESOCK_SET_TCP_NODELAY 1
+
+/* SSL want to read or write */
+#define ESOCK_SSL_WANT_READ 1
+#define ESOCK_SSL_WANT_WRITE 2
+
+/* Protocol version according to ssl_server */
+#define ESOCK_SSLv2 1
+#define ESOCK_SSLv3 2
+#define ESOCK_TLSv1 4
+
+
+#endif
+
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