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Diffstat (limited to 'plugins/FTPFileYM/curl/lib/qssl.c')
-rw-r--r--plugins/FTPFileYM/curl/lib/qssl.c501
1 files changed, 501 insertions, 0 deletions
diff --git a/plugins/FTPFileYM/curl/lib/qssl.c b/plugins/FTPFileYM/curl/lib/qssl.c
new file mode 100644
index 0000000000..8ef6fec8d8
--- /dev/null
+++ b/plugins/FTPFileYM/curl/lib/qssl.c
@@ -0,0 +1,501 @@
+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at http://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifdef USE_QSOSSL
+
+#include <qsossl.h>
+
+#ifdef HAVE_LIMITS_H
+# include <limits.h>
+#endif
+
+#include <curl/curl.h>
+#include "urldata.h"
+#include "sendf.h"
+#include "qssl.h"
+#include "sslgen.h"
+#include "connect.h" /* for the connect timeout */
+#include "select.h"
+#include "curl_memory.h"
+/* The last #include file should be: */
+#include "memdebug.h"
+
+
+int Curl_qsossl_init(void)
+
+{
+ /* Nothing to do here. We must have connection data to initialize ssl, so
+ * defer.
+ */
+
+ return 1;
+}
+
+
+void Curl_qsossl_cleanup(void)
+
+{
+ /* Nothing to do. */
+}
+
+
+static CURLcode Curl_qsossl_init_session(struct SessionHandle * data)
+
+{
+ int rc;
+ char * certname;
+ SSLInit initstr;
+ SSLInitApp initappstr;
+
+ /* Initialize the job for SSL according to the current parameters.
+ * QsoSSL offers two ways to do it: SSL_Init_Application() that uses an
+ * application identifier to select certificates in the main certificate
+ * store, and SSL_Init() that uses named keyring files and a password.
+ * It is not possible to have different keyrings for the CAs and the
+ * local certificate. We thus use the certificate name to identify the
+ * keyring if given, else the CA file name.
+ * If the key file name is given, it is taken as the password for the
+ * keyring in certificate file.
+ * We first try to SSL_Init_Application(), then SSL_Init() if it failed.
+ */
+
+ certname = data->set.str[STRING_CERT];
+
+ if(!certname) {
+ certname = data->set.str[STRING_SSL_CAFILE];
+
+ if(!certname)
+ return CURLE_OK; /* Use previous setup. */
+ }
+
+ memset((char *) &initappstr, 0, sizeof initappstr);
+ initappstr.applicationID = certname;
+ initappstr.applicationIDLen = strlen(certname);
+ initappstr.protocol = SSL_VERSION_CURRENT; /* TLSV1 compat. SSLV[23]. */
+ initappstr.sessionType = SSL_REGISTERED_AS_CLIENT;
+ rc = SSL_Init_Application(&initappstr);
+
+ if(rc == SSL_ERROR_NOT_REGISTERED) {
+ initstr.keyringFileName = certname;
+ initstr.keyringPassword = data->set.str[STRING_KEY];
+ initstr.cipherSuiteList = NULL; /* Use default. */
+ initstr.cipherSuiteListLen = 0;
+ rc = SSL_Init(&initstr);
+ }
+
+ switch (rc) {
+
+ case 0: /* No error. */
+ break;
+
+ case SSL_ERROR_IO:
+ failf(data, "SSL_Init() I/O error: %s", strerror(errno));
+ return CURLE_SSL_CONNECT_ERROR;
+
+ case SSL_ERROR_BAD_CIPHER_SUITE:
+ return CURLE_SSL_CIPHER;
+
+ case SSL_ERROR_KEYPASSWORD_EXPIRED:
+ case SSL_ERROR_NOT_REGISTERED:
+ return CURLE_SSL_CONNECT_ERROR;
+
+ case SSL_ERROR_NO_KEYRING:
+ return CURLE_SSL_CACERT;
+
+ case SSL_ERROR_CERT_EXPIRED:
+ return CURLE_SSL_CERTPROBLEM;
+
+ default:
+ failf(data, "SSL_Init(): %s", SSL_Strerror(rc, NULL));
+ return CURLE_SSL_CONNECT_ERROR;
+ }
+
+ return CURLE_OK;
+}
+
+
+static CURLcode Curl_qsossl_create(struct connectdata * conn, int sockindex)
+
+{
+ SSLHandle * h;
+ struct ssl_connect_data * connssl = &conn->ssl[sockindex];
+
+ h = SSL_Create(conn->sock[sockindex], SSL_ENCRYPT);
+
+ if(!h) {
+ failf(conn->data, "SSL_Create() I/O error: %s", strerror(errno));
+ return CURLE_SSL_CONNECT_ERROR;
+ }
+
+ connssl->handle = h;
+ return CURLE_OK;
+}
+
+
+static int Curl_qsossl_trap_cert(SSLHandle * h)
+
+{
+ return 1; /* Accept certificate. */
+}
+
+
+static CURLcode Curl_qsossl_handshake(struct connectdata * conn, int sockindex)
+
+{
+ int rc;
+ struct SessionHandle * data = conn->data;
+ struct ssl_connect_data * connssl = &conn->ssl[sockindex];
+ SSLHandle * h = connssl->handle;
+ long timeout_ms;
+
+ h->exitPgm = NULL;
+
+ if(!data->set.ssl.verifyhost)
+ h->exitPgm = Curl_qsossl_trap_cert;
+
+ /* figure out how long time we should wait at maximum */
+ timeout_ms = Curl_timeleft(data, NULL, TRUE);
+
+ if(timeout_ms < 0) {
+ /* time-out, bail out, go home */
+ failf(data, "Connection time-out");
+ return CURLE_OPERATION_TIMEDOUT;
+ }
+
+ /* SSL_Handshake() timeout resolution is second, so round up. */
+ h->timeout = (timeout_ms + 1000 - 1) / 1000;
+
+ /* Set-up protocol. */
+
+ switch (data->set.ssl.version) {
+
+ default:
+ case CURL_SSLVERSION_DEFAULT:
+ h->protocol = SSL_VERSION_CURRENT; /* TLSV1 compat. SSLV[23]. */
+ break;
+
+ case CURL_SSLVERSION_TLSv1:
+ h->protocol = TLS_VERSION_1;
+ break;
+
+ case CURL_SSLVERSION_SSLv2:
+ h->protocol = SSL_VERSION_2;
+ break;
+
+ case CURL_SSLVERSION_SSLv3:
+ h->protocol = SSL_VERSION_3;
+ break;
+ }
+
+ rc = SSL_Handshake(h, SSL_HANDSHAKE_AS_CLIENT);
+
+ switch (rc) {
+
+ case 0: /* No error. */
+ break;
+
+ case SSL_ERROR_BAD_CERTIFICATE:
+ case SSL_ERROR_BAD_CERT_SIG:
+ case SSL_ERROR_NOT_TRUSTED_ROOT:
+ return CURLE_PEER_FAILED_VERIFICATION;
+
+ case SSL_ERROR_BAD_CIPHER_SUITE:
+ case SSL_ERROR_NO_CIPHERS:
+ return CURLE_SSL_CIPHER;
+
+ case SSL_ERROR_CERTIFICATE_REJECTED:
+ case SSL_ERROR_CERT_EXPIRED:
+ case SSL_ERROR_NO_CERTIFICATE:
+ return CURLE_SSL_CERTPROBLEM;
+
+ case SSL_ERROR_IO:
+ failf(data, "SSL_Handshake() I/O error: %s", strerror(errno));
+ return CURLE_SSL_CONNECT_ERROR;
+
+ default:
+ failf(data, "SSL_Handshake(): %s", SSL_Strerror(rc, NULL));
+ return CURLE_SSL_CONNECT_ERROR;
+ }
+
+ return CURLE_OK;
+}
+
+
+static Curl_recv qsossl_recv;
+static Curl_send qsossl_send;
+
+CURLcode Curl_qsossl_connect(struct connectdata * conn, int sockindex)
+
+{
+ struct SessionHandle * data = conn->data;
+ struct ssl_connect_data * connssl = &conn->ssl[sockindex];
+ int rc;
+
+ rc = Curl_qsossl_init_session(data);
+
+ if(rc == CURLE_OK) {
+ rc = Curl_qsossl_create(conn, sockindex);
+
+ if(rc == CURLE_OK)
+ rc = Curl_qsossl_handshake(conn, sockindex);
+ else {
+ SSL_Destroy(connssl->handle);
+ connssl->handle = NULL;
+ connssl->use = FALSE;
+ connssl->state = ssl_connection_none;
+ }
+ }
+ if(rc == CURLE_OK) {
+ connssl->state = ssl_connection_complete;
+ conn->recv[sockindex] = qsossl_recv;
+ conn->send[sockindex] = qsossl_send;
+ }
+
+ return rc;
+}
+
+
+static int Curl_qsossl_close_one(struct ssl_connect_data * conn,
+ struct SessionHandle * data)
+
+{
+ int rc;
+
+ if(!conn->handle)
+ return 0;
+
+ rc = SSL_Destroy(conn->handle);
+
+ if(rc) {
+ if(rc == SSL_ERROR_IO) {
+ failf(data, "SSL_Destroy() I/O error: %s", strerror(errno));
+ return -1;
+ }
+
+ /* An SSL error. */
+ failf(data, "SSL_Destroy() returned error %s", SSL_Strerror(rc, NULL));
+ return -1;
+ }
+
+ conn->handle = NULL;
+ return 0;
+}
+
+
+void Curl_qsossl_close(struct connectdata *conn, int sockindex)
+
+{
+ struct SessionHandle *data = conn->data;
+ struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+
+ if(connssl->use)
+ (void) Curl_qsossl_close_one(connssl, data);
+}
+
+
+int Curl_qsossl_close_all(struct SessionHandle * data)
+
+{
+ /* Unimplemented. */
+ (void) data;
+ return 0;
+}
+
+
+int Curl_qsossl_shutdown(struct connectdata * conn, int sockindex)
+
+{
+ struct ssl_connect_data * connssl = &conn->ssl[sockindex];
+ struct SessionHandle *data = conn->data;
+ ssize_t nread;
+ int what;
+ int rc;
+ char buf[120];
+
+ if(!connssl->handle)
+ return 0;
+
+ if(data->set.ftp_ccc != CURLFTPSSL_CCC_ACTIVE)
+ return 0;
+
+ if(Curl_qsossl_close_one(connssl, data))
+ return -1;
+
+ rc = 0;
+
+ what = Curl_socket_ready(conn->sock[sockindex],
+ CURL_SOCKET_BAD, SSL_SHUTDOWN_TIMEOUT);
+
+ for(;;) {
+ if(what < 0) {
+ /* anything that gets here is fatally bad */
+ failf(data, "select/poll on SSL socket, errno: %d", SOCKERRNO);
+ rc = -1;
+ break;
+ }
+
+ if(!what) { /* timeout */
+ failf(data, "SSL shutdown timeout");
+ break;
+ }
+
+ /* Something to read, let's do it and hope that it is the close
+ notify alert from the server. No way to SSL_Read now, so use read(). */
+
+ nread = read(conn->sock[sockindex], buf, sizeof(buf));
+
+ if(nread < 0) {
+ failf(data, "read: %s", strerror(errno));
+ rc = -1;
+ }
+
+ if(nread <= 0)
+ break;
+
+ what = Curl_socket_ready(conn->sock[sockindex], CURL_SOCKET_BAD, 0);
+ }
+
+ return rc;
+}
+
+
+static ssize_t qsossl_send(struct connectdata * conn, int sockindex,
+ const void * mem, size_t len, CURLcode * curlcode)
+
+{
+ /* SSL_Write() is said to return 'int' while write() and send() returns
+ 'size_t' */
+ int rc;
+
+ rc = SSL_Write(conn->ssl[sockindex].handle, (void *) mem, (int) len);
+
+ if(rc < 0) {
+ switch(rc) {
+
+ case SSL_ERROR_BAD_STATE:
+ /* The operation did not complete; the same SSL I/O function
+ should be called again later. This is basically an EWOULDBLOCK
+ equivalent. */
+ *curlcode = CURLE_AGAIN;
+ return -1;
+
+ case SSL_ERROR_IO:
+ switch (errno) {
+ case EWOULDBLOCK:
+ case EINTR:
+ *curlcode = CURLE_AGAIN;
+ return -1;
+ }
+
+ failf(conn->data, "SSL_Write() I/O error: %s", strerror(errno));
+ *curlcode = CURLE_SEND_ERROR;
+ return -1;
+ }
+
+ /* An SSL error. */
+ failf(conn->data, "SSL_Write() returned error %s",
+ SSL_Strerror(rc, NULL));
+ *curlcode = CURLE_SEND_ERROR;
+ return -1;
+ }
+
+ return (ssize_t) rc; /* number of bytes */
+}
+
+
+static ssize_t qsossl_recv(struct connectdata * conn, int num, char * buf,
+ size_t buffersize, CURLcode * curlcode)
+
+{
+ char error_buffer[120]; /* OpenSSL documents that this must be at
+ least 120 bytes long. */
+ unsigned long sslerror;
+ int buffsize;
+ int nread;
+
+ buffsize = (buffersize > (size_t)INT_MAX) ? INT_MAX : (int)buffersize;
+ nread = SSL_Read(conn->ssl[num].handle, buf, buffsize);
+
+ if(nread < 0) {
+ /* failed SSL_read */
+
+ switch (nread) {
+
+ case SSL_ERROR_BAD_STATE:
+ /* there's data pending, re-invoke SSL_Read(). */
+ *curlcode = CURLE_AGAIN;
+ return -1;
+
+ case SSL_ERROR_IO:
+ switch (errno) {
+ case EWOULDBLOCK:
+ *curlcode = CURLE_AGAIN;
+ return -1;
+ }
+
+ failf(conn->data, "SSL_Read() I/O error: %s", strerror(errno));
+ *curlcode = CURLE_RECV_ERROR;
+ return -1;
+
+ default:
+ failf(conn->data, "SSL read error: %s", SSL_Strerror(nread, NULL));
+ *curlcode = CURLE_RECV_ERROR;
+ return -1;
+ }
+ }
+ return (ssize_t) nread;
+}
+
+
+size_t Curl_qsossl_version(char * buffer, size_t size)
+
+{
+ strncpy(buffer, "IBM OS/400 SSL", size);
+ return strlen(buffer);
+}
+
+
+int Curl_qsossl_check_cxn(struct connectdata * cxn)
+
+{
+ int err;
+ int errlen;
+
+ /* The only thing that can be tested here is at the socket level. */
+
+ if(!cxn->ssl[FIRSTSOCKET].handle)
+ return 0; /* connection has been closed */
+
+ err = 0;
+ errlen = sizeof err;
+
+ if(getsockopt(cxn->sock[FIRSTSOCKET], SOL_SOCKET, SO_ERROR,
+ (unsigned char *) &err, &errlen) ||
+ errlen != sizeof err || err)
+ return 0; /* connection has been closed */
+
+ return -1; /* connection status unknown */
+}
+
+#endif /* USE_QSOSSL */
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-27 11:17:21 +0000