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xrdp-proprietary
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Code Issues Releases Wiki Activity

common: fix some warning for TLS

Browse Source
ulab-next-nosound
Jay Sorg 10 years ago
parent 4ef60f163d
commit 386512c0ed
2 changed files with 125 additions and 113 deletions
Show Stats Download Patch File Download Diff File

5
common/trans.h
Unescape View File

@ -23,7 +23,6 @@
#include "arch.h"
#include "parse.h"
#include <openssl/ssl.h>
#define TRANS_MODE_TCP 1
#define TRANS_MODE_UNIX 2
@ -72,8 +71,8 @@ struct trans
/* xrdp_tls */
struct xrdp_tls
{
SSL *ssl;
SSL_CTX *ctx;
void *ssl; /* SSL * */
void *ctx; /* SSL_CTX * */
char *cert;
char *key;
struct trans *trans;

185
common/xrdp_tls.c
Unescape View File

@ -18,9 +18,17 @@
* transport layer security
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <openssl/ssl.h>
#include "os_calls.h"
#include "trans.h"
#include "ssl_calls.h"
/*****************************************************************************/
struct xrdp_tls *
APP_CC
@ -38,6 +46,41 @@ xrdp_tls_create(struct trans *trans, const char *key, const char *cert)
return self;
}
/*****************************************************************************/
int APP_CC
xrdp_tls_print_error(char *func, SSL *connection, int value)
{
switch (SSL_get_error(connection, value))
{
case SSL_ERROR_ZERO_RETURN:
g_writeln("xrdp_tls_print_error: %s: Server closed TLS connection",
func);
return 1;
case SSL_ERROR_WANT_READ:
g_writeln("xrdp_tls_print_error: SSL_ERROR_WANT_READ");
return 0;
case SSL_ERROR_WANT_WRITE:
g_writeln("xrdp_tls_print_error: SSL_ERROR_WANT_WRITE");
return 0;
case SSL_ERROR_SYSCALL:
g_writeln("xrdp_tls_print_error: %s: I/O error", func);
return 1;
case SSL_ERROR_SSL:
g_writeln("xrdp_tls_print_error: %s: Failure in SSL library (protocol error?)",
func);
return 1;
default:
g_writeln("xrdp_tls_print_error: %s: Unknown error", func);
return 1;
}
}
/*****************************************************************************/
int APP_CC
xrdp_tls_accept(struct xrdp_tls *self)
@ -53,6 +96,7 @@ xrdp_tls_accept(struct xrdp_tls *self)
*/
options |= SSL_OP_NO_SSLv2;
#if defined(SSL_OP_NO_COMPRESSION)
/**
* SSL_OP_NO_COMPRESSION:
*
@ -63,6 +107,7 @@ xrdp_tls_accept(struct xrdp_tls *self)
* which is why we're disabling it.
*/
options |= SSL_OP_NO_COMPRESSION;
#endif
/**
* SSL_OP_TLS_BLOCK_PADDING_BUG:
@ -137,40 +182,6 @@ xrdp_tls_accept(struct xrdp_tls *self)
}
/*****************************************************************************/
int APP_CC
xrdp_tls_print_error(char *func, SSL *connection, int value)
{
switch (SSL_get_error(connection, value))
{
case SSL_ERROR_ZERO_RETURN:
g_writeln("xrdp_tls_print_error: %s: Server closed TLS connection",
func);
return 1;
case SSL_ERROR_WANT_READ:
g_writeln("xrdp_tls_print_error: SSL_ERROR_WANT_READ");
return 0;
case SSL_ERROR_WANT_WRITE:
g_writeln("xrdp_tls_print_error: SSL_ERROR_WANT_WRITE");
return 0;
case SSL_ERROR_SYSCALL:
g_writeln("xrdp_tls_print_error: %s: I/O error", func);
return 1;
case SSL_ERROR_SSL:
g_writeln(
"xrdp_tls_print_error: %s: Failure in SSL library (protocol error?)",
func);
return 1;
default:
g_writeln("xrdp_tls_print_error: %s: Unknown error", func);
return 1;
}
}
/*****************************************************************************/
int APP_CC
xrdp_tls_disconnect(struct xrdp_tls *self)
{
int status = SSL_shutdown(self->ssl);
@ -205,7 +216,7 @@ xrdp_tls_delete(struct xrdp_tls *self)
}
/*****************************************************************************/
int APP_CC
xrdp_tls_read(struct xrdp_tls *tls, unsigned char *data, int length)
xrdp_tls_read(struct xrdp_tls *tls, char *data, int length)
{
int status;
@ -231,7 +242,7 @@ xrdp_tls_read(struct xrdp_tls *tls, unsigned char *data, int length)
}
/*****************************************************************************/
int APP_CC
xrdp_tls_write(struct xrdp_tls *tls, unsigned char *data, int length)
xrdp_tls_write(struct xrdp_tls *tls, char *data, int length)
{
int status;
@ -317,6 +328,58 @@ xrdp_tls_force_read_s(struct trans *self, struct stream *in_s, int size)
return 0;
}
/*****************************************************************************/
int APP_CC
xrdp_tls_send_waiting(struct trans *self, int block)
{
struct stream *temp_s;
int bytes;
int sent;
int timeout;
int cont;
timeout = block ? 100 : 0;
cont = 1;
while (cont)
{
if (self->wait_s != 0)
{
temp_s = self->wait_s;
if (g_tcp_can_send(self->sck, timeout))
{
bytes = (int) (temp_s->end - temp_s->p);
sent = xrdp_tls_write(self->tls, temp_s->p, bytes);
if (sent > 0)
{
temp_s->p += sent;
if (temp_s->p >= temp_s->end)
{
self->wait_s = (struct stream *) (temp_s->next_packet);
free_stream(temp_s);
}
}
else if (sent == 0)
{
return 1;
}
else
{
if (!g_tcp_last_error_would_block(self->sck))
{
return 1;
}
}
}
}
else
{
break;
}
cont = block;
}
return 0;
}
/*****************************************************************************/
int APP_CC
xrdp_tls_force_write_s(struct trans *self, struct stream *out_s)
@ -382,54 +445,4 @@ xrdp_tls_force_write_s(struct trans *self, struct stream *out_s)
return 0;
}
/*****************************************************************************/
int APP_CC
xrdp_tls_send_waiting(struct trans *self, int block)
{
struct stream *temp_s;
int bytes;
int sent;
int timeout;
int cont;
timeout = block ? 100 : 0;
cont = 1;
while (cont)
{
if (self->wait_s != 0)
{
temp_s = self->wait_s;
if (g_tcp_can_send(self->sck, timeout))
{
bytes = (int) (temp_s->end - temp_s->p);
sent = xrdp_tls_write(self->tls, temp_s->p, bytes);
if (sent > 0)
{
temp_s->p += sent;
if (temp_s->p >= temp_s->end)
{
self->wait_s = (struct stream *) (temp_s->next_packet);
free_stream(temp_s);
}
}
else if (sent == 0)
{
return 1;
}
else
{
if (!g_tcp_last_error_would_block(self->sck))
{
return 1;
}
}
}
}
else
{
break;
}
cont = block;
}
return 0;
}

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