2 * ustream-ssl - library for SSL over ustream
4 * Copyright (C) 2012 Felix Fietkau <nbd@openwrt.org>
6 * Permission to use, copy, modify, and/or distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
21 #include <libubox/ustream.h>
23 #include "ustream-ssl.h"
24 #include "ustream-internal.h"
26 #ifdef HAVE_CYASSL_VERSION_H
27 #include <cyassl/version.h>
29 #define LIBCYASSL_VERSION_HEX 0
32 static int s_ustream_read(char *buf
, int len
, void *ctx
)
34 struct ustream
*s
= ctx
;
41 sbuf
= ustream_get_read_buf(s
, &slen
);
48 memcpy(buf
, sbuf
, slen
);
49 ustream_consume(s
, slen
);
54 static int s_ustream_write(char *buf
, int len
, void *ctx
)
56 struct ustream
*s
= ctx
;
61 return ustream_write(s
, buf
, len
, false);
64 #if (LIBCYASSL_VERSION_HEX > 0)
65 static int io_recv_cb(SSL
* ssl
, char *buf
, int sz
, void *ctx
)
67 return s_ustream_read(buf
, sz
, ctx
);
70 static int io_send_cb(SSL
* ssl
, char *buf
, int sz
, void *ctx
)
72 return s_ustream_write(buf
, sz
, ctx
);
75 /* not defined in the header file */
76 typedef int (*CallbackIORecv
)(char *buf
, int sz
, void *ctx
);
77 typedef int (*CallbackIOSend
)(char *buf
, int sz
, void *ctx
);
79 void SetCallbackIORecv_Ctx(SSL_CTX
*, CallbackIORecv
);
80 void SetCallbackIOSend_Ctx(SSL_CTX
*, CallbackIOSend
);
81 void SetCallbackIO_ReadCtx(SSL
* ssl
, void *rctx
);
82 void SetCallbackIO_WriteCtx(SSL
* ssl
, void *wctx
);
84 #define CyaSSL_SetIOReadCtx SetCallbackIO_ReadCtx
85 #define CyaSSL_SetIOWriteCtx SetCallbackIO_WriteCtx
86 #define CyaSSL_SetIORecv SetCallbackIORecv_Ctx
87 #define CyaSSL_SetIOSend SetCallbackIOSend_Ctx
89 static int io_recv_cb(char *buf
, int sz
, void *ctx
)
91 return s_ustream_read(buf
, sz
, ctx
);
94 static int io_send_cb(char *buf
, int sz
, void *ctx
)
96 return s_ustream_write(buf
, sz
, ctx
);
100 __hidden
void ustream_set_io(void *ctx
, void *ssl
, struct ustream
*conn
)
102 CyaSSL_SetIOReadCtx(ssl
, conn
);
103 CyaSSL_SetIOWriteCtx(ssl
, conn
);
104 CyaSSL_SetIORecv(ctx
, io_recv_cb
);
105 CyaSSL_SetIOSend(ctx
, io_send_cb
);