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tls: fix some error handling.

This commit is contained in:
Vic Lee 2014-07-15 11:36:35 +08:00
parent 29cb8680ce
commit 8df60ecbe4
1 changed files with 26 additions and 7 deletions
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33
libfreerdp/crypto/tls.c
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@ -51,6 +51,7 @@ long bio_rdp_tls_callback(BIO* bio, int mode, const char* argp, int argi, long a
static int bio_rdp_tls_write(BIO* bio, const char* buf, int size)
{
int error;
int status;
BIO_RDP_TLS* tls = (BIO_RDP_TLS*) bio->ptr;
@ -70,11 +71,11 @@ static int bio_rdp_tls_write(BIO* bio, const char* buf, int size)
break;
case SSL_ERROR_WANT_WRITE:
BIO_set_flags(bio, BIO_FLAGS_WRITE);
BIO_set_flags(bio, BIO_FLAGS_WRITE | BIO_FLAGS_SHOULD_RETRY);
break;
case SSL_ERROR_WANT_READ:
BIO_set_flags(bio, BIO_FLAGS_READ);
BIO_set_flags(bio, BIO_FLAGS_READ | BIO_FLAGS_SHOULD_RETRY);
break;
case SSL_ERROR_WANT_X509_LOOKUP:
@ -88,7 +89,16 @@ static int bio_rdp_tls_write(BIO* bio, const char* buf, int size)
break;
case SSL_ERROR_SYSCALL:
BIO_clear_flags(bio, BIO_FLAGS_SHOULD_RETRY);
error = WSAGetLastError();
if ((error == WSAEWOULDBLOCK) || (error == WSAEINTR) ||
(error == WSAEINPROGRESS) || (error == WSAEALREADY))
{
BIO_set_flags(bio, (BIO_FLAGS_WRITE | BIO_FLAGS_SHOULD_RETRY));
}
else
{
BIO_clear_flags(bio, BIO_FLAGS_SHOULD_RETRY);
}
break;
case SSL_ERROR_SSL:
@ -102,6 +112,7 @@ static int bio_rdp_tls_write(BIO* bio, const char* buf, int size)
static int bio_rdp_tls_read(BIO* bio, char* buf, int size)
{
int error;
int status;
BIO_RDP_TLS* tls = (BIO_RDP_TLS*) bio->ptr;
@ -121,11 +132,11 @@ static int bio_rdp_tls_read(BIO* bio, char* buf, int size)
break;
case SSL_ERROR_WANT_READ:
BIO_set_flags(bio, BIO_FLAGS_READ);
BIO_set_flags(bio, BIO_FLAGS_READ | BIO_FLAGS_SHOULD_RETRY);
break;
case SSL_ERROR_WANT_WRITE:
BIO_set_flags(bio, BIO_FLAGS_WRITE);
BIO_set_flags(bio, BIO_FLAGS_WRITE | BIO_FLAGS_SHOULD_RETRY);
break;
case SSL_ERROR_WANT_X509_LOOKUP:
@ -152,8 +163,16 @@ static int bio_rdp_tls_read(BIO* bio, char* buf, int size)
break;
case SSL_ERROR_SYSCALL:
BIO_clear_flags(bio, BIO_FLAGS_SHOULD_RETRY);
status = -1;
error = WSAGetLastError();
if ((error == WSAEWOULDBLOCK) || (error == WSAEINTR) ||
(error == WSAEINPROGRESS) || (error == WSAEALREADY))
{
BIO_set_flags(bio, (BIO_FLAGS_READ | BIO_FLAGS_SHOULD_RETRY));
}
else
{
BIO_clear_flags(bio, BIO_FLAGS_SHOULD_RETRY);
}
break;
}
}