static CURLcode gskit_connect_step2(struct connectdata *conn, int sockindex,
bool nonblocking)
{
struct Curl_easy *data = conn->data;
struct ssl_connect_data *connssl = &conn->ssl[sockindex];
Qso_OverlappedIO_t cstat;
long timeout_ms;
struct timeval stmv;
CURLcode result;
/* Poll or wait for end of SSL asynchronous handshake. */
for(;;) {
timeout_ms = nonblocking? 0: Curl_timeleft(data, NULL, TRUE);
if(timeout_ms < 0)
timeout_ms = 0;
stmv.tv_sec = timeout_ms / 1000;
stmv.tv_usec = (timeout_ms - stmv.tv_sec * 1000) * 1000;
switch (QsoWaitForIOCompletion(connssl->iocport, &cstat, &stmv)) {
case 1: /* Operation complete. */
break;
case -1: /* An error occurred: handshake still in progress. */
if(errno == EINTR) {
if(nonblocking)
return CURLE_OK;
continue; /* Retry. */
}
if(errno != ETIME) {
failf(data, "QsoWaitForIOCompletion() I/O error: %s", strerror(errno));
cancel_async_handshake(conn, sockindex);
close_async_handshake(connssl);
return CURLE_SSL_CONNECT_ERROR;
}
/* FALL INTO... */
case 0: /* Handshake in progress, timeout occurred. */
if(nonblocking)
return CURLE_OK;
cancel_async_handshake(conn, sockindex);
close_async_handshake(connssl);
return CURLE_OPERATION_TIMEDOUT;
}
break;
}
result = gskit_status(data, cstat.returnValue, "SSL handshake",
CURLE_SSL_CONNECT_ERROR);
if(!result)
connssl->connecting_state = ssl_connect_3;
close_async_handshake(connssl);
return result;
}
static void close_one(struct ssl_connect_data *conn,
struct Curl_easy *data)
{
if(conn->handle) {
gskit_status(data, gsk_secure_soc_close(&conn->handle),
"gsk_secure_soc_close()", 0);
conn->handle = (gsk_handle) NULL;
}
if(conn->iocport >= 0)
close_async_handshake(conn);
}
static void close_one(struct ssl_connect_data *connssl,
struct connectdata *conn, int sockindex)
{
if(connssl->handle) {
gskit_status(conn->data, gsk_secure_soc_close(&connssl->handle),
"gsk_secure_soc_close()", 0);
/* Last chance to drain output. */
while(pipe_ssloverssl(conn, sockindex, SOS_WRITE) > 0)
;
connssl->handle = (gsk_handle) NULL;
if(connssl->localfd >= 0) {
close(connssl->localfd);
connssl->localfd = -1;
}
if(connssl->remotefd >= 0) {
close(connssl->remotefd);
connssl->remotefd = -1;
}
}
if(connssl->iocport >= 0)
close_async_handshake(connssl);
}
static CURLcode gskit_connect_step1(struct connectdata *conn, int sockindex)
{
struct Curl_easy *data = conn->data;
struct ssl_connect_data *connssl = &conn->ssl[sockindex];
gsk_handle envir;
CURLcode result;
int rc;
char *keyringfile;
char *keyringpwd;
char *keyringlabel;
char *sni;
unsigned int protoflags;
long timeout;
Qso_OverlappedIO_t commarea;
/* Create SSL environment, start (preferably asynchronous) handshake. */
connssl->handle = (gsk_handle) NULL;
connssl->iocport = -1;
/* GSKit supports two ways of specifying an SSL context: either by
* application identifier (that should have been defined at the system
* level) or by keyring file, password and certificate label.
* Local certificate name (CURLOPT_SSLCERT) is used to hold either the
* application identifier of the certificate label.
* Key password (CURLOPT_KEYPASSWD) holds the keyring password.
* It is not possible to have different keyrings for the CAs and the
* local certificate. We thus use the CA file (CURLOPT_CAINFO) to identify
* the keyring file.
* If no key password is given and the keyring is the system keyring,
* application identifier mode is tried first, as recommended in IBM doc.
*/
keyringfile = data->set.str[STRING_SSL_CAFILE];
keyringpwd = data->set.str[STRING_KEY_PASSWD];
keyringlabel = data->set.str[STRING_CERT];
envir = (gsk_handle) NULL;
if(keyringlabel && *keyringlabel && !keyringpwd &&
!strcmp(keyringfile, CURL_CA_BUNDLE)) {
/* Try application identifier mode. */
init_environment(data, &envir, keyringlabel, (const char *) NULL,
(const char *) NULL, (const char *) NULL);
}
if(!envir) {
/* Use keyring mode. */
result = init_environment(data, &envir, (const char *) NULL,
keyringfile, keyringlabel, keyringpwd);
if(result)
return result;
}
/* Create secure session. */
result = gskit_status(data, gsk_secure_soc_open(envir, &connssl->handle),
"gsk_secure_soc_open()", CURLE_SSL_CONNECT_ERROR);
gsk_environment_close(&envir);
if(result)
return result;
/* Determine which SSL/TLS version should be enabled. */
protoflags = CURL_GSKPROTO_TLSV10_MASK | CURL_GSKPROTO_TLSV11_MASK |
CURL_GSKPROTO_TLSV12_MASK;
sni = conn->host.name;
switch (data->set.ssl.version) {
case CURL_SSLVERSION_SSLv2:
protoflags = CURL_GSKPROTO_SSLV2_MASK;
sni = (char *) NULL;
break;
case CURL_SSLVERSION_SSLv3:
protoflags = CURL_GSKPROTO_SSLV3_MASK;
sni = (char *) NULL;
break;
case CURL_SSLVERSION_TLSv1:
protoflags = CURL_GSKPROTO_TLSV10_MASK |
CURL_GSKPROTO_TLSV11_MASK | CURL_GSKPROTO_TLSV12_MASK;
break;
case CURL_SSLVERSION_TLSv1_0:
protoflags = CURL_GSKPROTO_TLSV10_MASK;
break;
case CURL_SSLVERSION_TLSv1_1:
protoflags = CURL_GSKPROTO_TLSV11_MASK;
break;
case CURL_SSLVERSION_TLSv1_2:
protoflags = CURL_GSKPROTO_TLSV12_MASK;
break;
}
/* Process SNI. Ignore if not supported (on OS400 < V7R1). */
if(sni) {
result = set_buffer(data, connssl->handle,
GSK_SSL_EXTN_SERVERNAME_REQUEST, sni, TRUE);
if(result == CURLE_UNSUPPORTED_PROTOCOL)
result = CURLE_OK;
}
/* Set session parameters. */
if(!result) {
/* Compute the handshake timeout. Since GSKit granularity is 1 second,
we round up the required value. */
timeout = Curl_timeleft(data, NULL, TRUE);
if(timeout < 0)
result = CURLE_OPERATION_TIMEDOUT;
else
result = set_numeric(data, connssl->handle, GSK_HANDSHAKE_TIMEOUT,
(timeout + 999) / 1000);
}
if(!result)
result = set_numeric(data, connssl->handle, GSK_FD, conn->sock[sockindex]);
if(!result)
result = set_ciphers(data, connssl->handle, &protoflags);
if(!protoflags) {
failf(data, "No SSL protocol/cipher combination enabled");
result = CURLE_SSL_CIPHER;
}
if(!result)
result = set_enum(data, connssl->handle, GSK_PROTOCOL_SSLV2,
(protoflags & CURL_GSKPROTO_SSLV2_MASK)?
GSK_PROTOCOL_SSLV2_ON: GSK_PROTOCOL_SSLV2_OFF, FALSE);
if(!result)
result = set_enum(data, connssl->handle, GSK_PROTOCOL_SSLV3,
(protoflags & CURL_GSKPROTO_SSLV3_MASK)?
GSK_PROTOCOL_SSLV3_ON: GSK_PROTOCOL_SSLV3_OFF, FALSE);
if(!result)
result = set_enum(data, connssl->handle, GSK_PROTOCOL_TLSV1,
(protoflags & CURL_GSKPROTO_TLSV10_MASK)?
GSK_PROTOCOL_TLSV1_ON: GSK_PROTOCOL_TLSV1_OFF, FALSE);
if(!result) {
result = set_enum(data, connssl->handle, GSK_PROTOCOL_TLSV11,
(protoflags & CURL_GSKPROTO_TLSV11_MASK)?
GSK_TRUE: GSK_FALSE, TRUE);
if(result == CURLE_UNSUPPORTED_PROTOCOL) {
result = CURLE_OK;
if(protoflags == CURL_GSKPROTO_TLSV11_MASK) {
failf(data, "TLS 1.1 not yet supported");
result = CURLE_SSL_CIPHER;
}
}
}
if(!result) {
result = set_enum(data, connssl->handle, GSK_PROTOCOL_TLSV12,
(protoflags & CURL_GSKPROTO_TLSV12_MASK)?
GSK_TRUE: GSK_FALSE, TRUE);
if(result == CURLE_UNSUPPORTED_PROTOCOL) {
result = CURLE_OK;
if(protoflags == CURL_GSKPROTO_TLSV12_MASK) {
failf(data, "TLS 1.2 not yet supported");
result = CURLE_SSL_CIPHER;
}
}
}
if(!result)
result = set_enum(data, connssl->handle, GSK_SERVER_AUTH_TYPE,
data->set.ssl.verifypeer? GSK_SERVER_AUTH_FULL:
GSK_SERVER_AUTH_PASSTHRU, FALSE);
if(!result) {
/* Start handshake. Try asynchronous first. */
memset(&commarea, 0, sizeof commarea);
connssl->iocport = QsoCreateIOCompletionPort();
if(connssl->iocport != -1) {
result = gskit_status(data,
gsk_secure_soc_startInit(connssl->handle,
connssl->iocport,
&commarea),
"gsk_secure_soc_startInit()",
CURLE_SSL_CONNECT_ERROR);
if(!result) {
connssl->connecting_state = ssl_connect_2;
return CURLE_OK;
}
else
close_async_handshake(connssl);
}
else if(errno != ENOBUFS)
result = gskit_status(data, GSK_ERROR_IO,
"QsoCreateIOCompletionPort()", 0);
else {
/* No more completion port available. Use synchronous IO. */
result = gskit_status(data, gsk_secure_soc_init(connssl->handle),
"gsk_secure_soc_init()", CURLE_SSL_CONNECT_ERROR);
if(!result) {
connssl->connecting_state = ssl_connect_3;
return CURLE_OK;
}
}
}
/* Error: rollback. */
close_one(connssl, data);
return result;
}
static CURLcode gskit_connect_step1(struct connectdata *conn, int sockindex)
{
struct Curl_easy *data = conn->data;
struct ssl_connect_data *connssl = &conn->ssl[sockindex];
gsk_handle envir;
CURLcode result;
int rc;
const char * const keyringfile = SSL_CONN_CONFIG(CAfile);
const char * const keyringpwd = SSL_SET_OPTION(key_passwd);
const char * const keyringlabel = SSL_SET_OPTION(cert);
const long int ssl_version = SSL_CONN_CONFIG(version);
const bool verifypeer = SSL_CONN_CONFIG(verifypeer);
const char * const hostname = SSL_IS_PROXY()? conn->http_proxy.host.name:
conn->host.name;
const char *sni;
unsigned int protoflags;
long timeout;
Qso_OverlappedIO_t commarea;
int sockpair[2];
static const int sobufsize = CURL_MAX_WRITE_SIZE;
/* Create SSL environment, start (preferably asynchronous) handshake. */
connssl->handle = (gsk_handle) NULL;
connssl->iocport = -1;
connssl->localfd = -1;
connssl->remotefd = -1;
/* GSKit supports two ways of specifying an SSL context: either by
* application identifier (that should have been defined at the system
* level) or by keyring file, password and certificate label.
* Local certificate name (CURLOPT_SSLCERT) is used to hold either the
* application identifier of the certificate label.
* Key password (CURLOPT_KEYPASSWD) holds the keyring password.
* It is not possible to have different keyrings for the CAs and the
* local certificate. We thus use the CA file (CURLOPT_CAINFO) to identify
* the keyring file.
* If no key password is given and the keyring is the system keyring,
* application identifier mode is tried first, as recommended in IBM doc.
*/
envir = (gsk_handle) NULL;
if(keyringlabel && *keyringlabel && !keyringpwd &&
!strcmp(keyringfile, CURL_CA_BUNDLE)) {
/* Try application identifier mode. */
init_environment(data, &envir, keyringlabel, (const char *) NULL,
(const char *) NULL, (const char *) NULL);
}
if(!envir) {
/* Use keyring mode. */
result = init_environment(data, &envir, (const char *) NULL,
keyringfile, keyringlabel, keyringpwd);
if(result)
return result;
}
/* Create secure session. */
result = gskit_status(data, gsk_secure_soc_open(envir, &connssl->handle),
"gsk_secure_soc_open()", CURLE_SSL_CONNECT_ERROR);
gsk_environment_close(&envir);
if(result)
return result;
/* Establish a pipelining socket pair for SSL over SSL. */
if(conn->proxy_ssl[sockindex].use) {
if(inetsocketpair(sockpair))
return CURLE_SSL_CONNECT_ERROR;
connssl->localfd = sockpair[0];
connssl->remotefd = sockpair[1];
setsockopt(connssl->localfd, SOL_SOCKET, SO_RCVBUF,
(void *) sobufsize, sizeof sobufsize);
setsockopt(connssl->remotefd, SOL_SOCKET, SO_RCVBUF,
(void *) sobufsize, sizeof sobufsize);
setsockopt(connssl->localfd, SOL_SOCKET, SO_SNDBUF,
(void *) sobufsize, sizeof sobufsize);
setsockopt(connssl->remotefd, SOL_SOCKET, SO_SNDBUF,
(void *) sobufsize, sizeof sobufsize);
curlx_nonblock(connssl->localfd, TRUE);
curlx_nonblock(connssl->remotefd, TRUE);
}
/* Determine which SSL/TLS version should be enabled. */
sni = hostname;
switch (ssl_version) {
case CURL_SSLVERSION_SSLv2:
protoflags = CURL_GSKPROTO_SSLV2_MASK;
sni = NULL;
break;
case CURL_SSLVERSION_SSLv3:
protoflags = CURL_GSKPROTO_SSLV3_MASK;
sni = NULL;
break;
case CURL_SSLVERSION_DEFAULT:
case CURL_SSLVERSION_TLSv1:
protoflags = CURL_GSKPROTO_TLSV10_MASK |
CURL_GSKPROTO_TLSV11_MASK | CURL_GSKPROTO_TLSV12_MASK;
break;
case CURL_SSLVERSION_TLSv1_0:
protoflags = CURL_GSKPROTO_TLSV10_MASK;
break;
case CURL_SSLVERSION_TLSv1_1:
protoflags = CURL_GSKPROTO_TLSV11_MASK;
break;
case CURL_SSLVERSION_TLSv1_2:
protoflags = CURL_GSKPROTO_TLSV12_MASK;
break;
case CURL_SSLVERSION_TLSv1_3:
failf(data, "GSKit: TLS 1.3 is not yet supported");
return CURLE_SSL_CONNECT_ERROR;
default:
failf(data, "Unrecognized parameter passed via CURLOPT_SSLVERSION");
return CURLE_SSL_CONNECT_ERROR;
}
/* Process SNI. Ignore if not supported (on OS400 < V7R1). */
if(sni) {
result = set_buffer(data, connssl->handle,
GSK_SSL_EXTN_SERVERNAME_REQUEST, sni, TRUE);
if(result == CURLE_UNSUPPORTED_PROTOCOL)
result = CURLE_OK;
}
/* Set session parameters. */
if(!result) {
/* Compute the handshake timeout. Since GSKit granularity is 1 second,
we round up the required value. */
timeout = Curl_timeleft(data, NULL, TRUE);
if(timeout < 0)
result = CURLE_OPERATION_TIMEDOUT;
else
result = set_numeric(data, connssl->handle, GSK_HANDSHAKE_TIMEOUT,
(timeout + 999) / 1000);
}
if(!result)
result = set_numeric(data, connssl->handle, GSK_OS400_READ_TIMEOUT, 1);
if(!result)
result = set_numeric(data, connssl->handle, GSK_FD, connssl->localfd >= 0?
connssl->localfd: conn->sock[sockindex]);
if(!result)
result = set_ciphers(conn, connssl->handle, &protoflags);
if(!protoflags) {
failf(data, "No SSL protocol/cipher combination enabled");
result = CURLE_SSL_CIPHER;
}
if(!result)
result = set_enum(data, connssl->handle, GSK_PROTOCOL_SSLV2,
(protoflags & CURL_GSKPROTO_SSLV2_MASK)?
GSK_PROTOCOL_SSLV2_ON: GSK_PROTOCOL_SSLV2_OFF, FALSE);
if(!result)
result = set_enum(data, connssl->handle, GSK_PROTOCOL_SSLV3,
(protoflags & CURL_GSKPROTO_SSLV3_MASK)?
GSK_PROTOCOL_SSLV3_ON: GSK_PROTOCOL_SSLV3_OFF, FALSE);
if(!result)
result = set_enum(data, connssl->handle, GSK_PROTOCOL_TLSV1,
(protoflags & CURL_GSKPROTO_TLSV10_MASK)?
GSK_PROTOCOL_TLSV1_ON: GSK_PROTOCOL_TLSV1_OFF, FALSE);
if(!result) {
result = set_enum(data, connssl->handle, GSK_PROTOCOL_TLSV11,
(protoflags & CURL_GSKPROTO_TLSV11_MASK)?
GSK_TRUE: GSK_FALSE, TRUE);
if(result == CURLE_UNSUPPORTED_PROTOCOL) {
result = CURLE_OK;
if(protoflags == CURL_GSKPROTO_TLSV11_MASK) {
failf(data, "TLS 1.1 not yet supported");
result = CURLE_SSL_CIPHER;
}
}
}
if(!result) {
result = set_enum(data, connssl->handle, GSK_PROTOCOL_TLSV12,
(protoflags & CURL_GSKPROTO_TLSV12_MASK)?
GSK_TRUE: GSK_FALSE, TRUE);
if(result == CURLE_UNSUPPORTED_PROTOCOL) {
result = CURLE_OK;
if(protoflags == CURL_GSKPROTO_TLSV12_MASK) {
failf(data, "TLS 1.2 not yet supported");
result = CURLE_SSL_CIPHER;
}
}
}
if(!result)
result = set_enum(data, connssl->handle, GSK_SERVER_AUTH_TYPE,
verifypeer? GSK_SERVER_AUTH_FULL:
GSK_SERVER_AUTH_PASSTHRU, FALSE);
if(!result) {
/* Start handshake. Try asynchronous first. */
memset(&commarea, 0, sizeof commarea);
connssl->iocport = QsoCreateIOCompletionPort();
if(connssl->iocport != -1) {
result = gskit_status(data,
gsk_secure_soc_startInit(connssl->handle,
connssl->iocport,
&commarea),
"gsk_secure_soc_startInit()",
CURLE_SSL_CONNECT_ERROR);
if(!result) {
connssl->connecting_state = ssl_connect_2;
return CURLE_OK;
}
else
close_async_handshake(connssl);
}
else if(errno != ENOBUFS)
result = gskit_status(data, GSK_ERROR_IO,
"QsoCreateIOCompletionPort()", 0);
else if(conn->proxy_ssl[sockindex].use) {
/* Cannot pipeline while handshaking synchronously. */
result = CURLE_SSL_CONNECT_ERROR;
}
else {
/* No more completion port available. Use synchronous IO. */
result = gskit_status(data, gsk_secure_soc_init(connssl->handle),
"gsk_secure_soc_init()", CURLE_SSL_CONNECT_ERROR);
if(!result) {
connssl->connecting_state = ssl_connect_3;
return CURLE_OK;
}
}
}
/* Error: rollback. */
close_one(connssl, conn, sockindex);
return result;
}
static CURLcode gskit_connect_step1(struct connectdata * conn, int sockindex)
{
struct SessionHandle * data = conn->data;
struct ssl_connect_data * connssl = &conn->ssl[sockindex];
gsk_handle envir;
CURLcode cc;
int rc;
char * keyringfile;
char * keyringpwd;
char * keyringlabel;
char * v2ciphers;
char * v3ciphers;
char * sni;
bool sslv2enable, sslv3enable, tlsv1enable;
long timeout;
Qso_OverlappedIO_t commarea;
/* Create SSL environment, start (preferably asynchronous) handshake. */
connssl->handle = (gsk_handle) NULL;
connssl->iocport = -1;
/* GSKit supports two ways of specifying an SSL context: either by
* application identifier (that should have been defined at the system
* level) or by keyring file, password and certificate label.
* Local certificate name (CURLOPT_SSLCERT) is used to hold either the
* application identifier of the certificate label.
* Key password (CURLOPT_KEYPASSWD) holds the keyring password.
* It is not possible to have different keyrings for the CAs and the
* local certificate. We thus use the CA file (CURLOPT_CAINFO) to identify
* the keyring file.
* If no key password is given and the keyring is the system keyring,
* application identifier mode is tried first, as recommended in IBM doc.
*/
keyringfile = data->set.str[STRING_SSL_CAFILE];
keyringpwd = data->set.str[STRING_KEY_PASSWD];
keyringlabel = data->set.str[STRING_CERT];
envir = (gsk_handle) NULL;
if(keyringlabel && *keyringlabel && !keyringpwd &&
!strcmp(keyringfile, CURL_CA_BUNDLE)) {
/* Try application identifier mode. */
init_environment(data, &envir, keyringlabel, (const char *) NULL,
(const char *) NULL, (const char *) NULL);
}
if(!envir) {
/* Use keyring mode. */
cc = init_environment(data, &envir, (const char *) NULL,
keyringfile, keyringlabel, keyringpwd);
if(cc != CURLE_OK)
return cc;
}
/* Create secure session. */
cc = gskit_status(data, gsk_secure_soc_open(envir, &connssl->handle),
"gsk_secure_soc_open()", CURLE_SSL_CONNECT_ERROR);
gsk_environment_close(&envir);
if(cc != CURLE_OK)
return cc;
/* Determine which SSL/TLS version should be enabled. */
sslv2enable = sslv3enable = tlsv1enable = false;
sni = conn->host.name;
switch (data->set.ssl.version) {
case CURL_SSLVERSION_SSLv2:
sslv2enable = true;
sni = (char *) NULL;
break;
case CURL_SSLVERSION_SSLv3:
sslv3enable = true;
sni = (char *) NULL;
break;
case CURL_SSLVERSION_TLSv1:
tlsv1enable = true;
break;
default: /* CURL_SSLVERSION_DEFAULT. */
sslv3enable = true;
tlsv1enable = true;
break;
}
/* Process SNI. Ignore if not supported (on OS400 < V7R1). */
if(sni) {
rc = gsk_attribute_set_buffer(connssl->handle,
GSK_SSL_EXTN_SERVERNAME_REQUEST, sni, 0);
switch (rc) {
case GSK_OK:
case GSK_ATTRIBUTE_INVALID_ID:
break;
case GSK_ERROR_IO:
failf(data, "gsk_attribute_set_buffer() I/O error: %s", strerror(errno));
cc = CURLE_SSL_CONNECT_ERROR;
break;
default:
failf(data, "gsk_attribute_set_buffer(): %s", gsk_strerror(rc));
cc = CURLE_SSL_CONNECT_ERROR;
break;
}
}
/* Set session parameters. */
if(cc == CURLE_OK) {
/* Compute the handshake timeout. Since GSKit granularity is 1 second,
we round up the required value. */
timeout = Curl_timeleft(data, NULL, TRUE);
if(timeout < 0)
cc = CURLE_OPERATION_TIMEDOUT;
else
cc = set_numeric(data, connssl->handle, GSK_HANDSHAKE_TIMEOUT,
(timeout + 999) / 1000);
}
if(cc == CURLE_OK)
cc = set_numeric(data, connssl->handle, GSK_FD, conn->sock[sockindex]);
if(cc == CURLE_OK)
cc = set_ciphers(data, connssl->handle);
if(cc == CURLE_OK)
cc = set_enum(data, connssl->handle, GSK_PROTOCOL_SSLV2,
sslv2enable? GSK_PROTOCOL_SSLV2_ON:
GSK_PROTOCOL_SSLV2_OFF);
if(cc == CURLE_OK)
cc = set_enum(data, connssl->handle, GSK_PROTOCOL_SSLV3,
sslv3enable? GSK_PROTOCOL_SSLV3_ON:
GSK_PROTOCOL_SSLV3_OFF);
if(cc == CURLE_OK)
cc = set_enum(data, connssl->handle, GSK_PROTOCOL_TLSV1,
sslv3enable? GSK_PROTOCOL_TLSV1_ON:
GSK_PROTOCOL_TLSV1_OFF);
if(cc == CURLE_OK)
cc = set_enum(data, connssl->handle, GSK_SERVER_AUTH_TYPE,
data->set.ssl.verifypeer? GSK_SERVER_AUTH_FULL:
GSK_SERVER_AUTH_PASSTHRU);
if(cc == CURLE_OK) {
/* Start handshake. Try asynchronous first. */
memset(&commarea, 0, sizeof commarea);
connssl->iocport = QsoCreateIOCompletionPort();
if(connssl->iocport != -1) {
cc = gskit_status(data, gsk_secure_soc_startInit(connssl->handle,
connssl->iocport, &commarea),
"gsk_secure_soc_startInit()", CURLE_SSL_CONNECT_ERROR);
if(cc == CURLE_OK) {
connssl->connecting_state = ssl_connect_2;
return CURLE_OK;
}
else
close_async_handshake(connssl);
}
else if(errno != ENOBUFS)
cc = gskit_status(data, GSK_ERROR_IO, "QsoCreateIOCompletionPort()", 0);
else {
/* No more completion port available. Use synchronous IO. */
cc = gskit_status(data, gsk_secure_soc_init(connssl->handle),
"gsk_secure_soc_init()", CURLE_SSL_CONNECT_ERROR);
if(cc == CURLE_OK) {
connssl->connecting_state = ssl_connect_3;
return CURLE_OK;
}
}
}
/* Error: rollback. */
close_one(connssl, data);
return cc;
}