diff options
Diffstat (limited to 'libs/libcurl/src/qssl.c')
-rw-r--r-- | libs/libcurl/src/qssl.c | 521 |
1 files changed, 0 insertions, 521 deletions
diff --git a/libs/libcurl/src/qssl.c b/libs/libcurl/src/qssl.c deleted file mode 100644 index b8a8daecac..0000000000 --- a/libs/libcurl/src/qssl.c +++ /dev/null @@ -1,521 +0,0 @@ -/*************************************************************************** - * _ _ ____ _ - * Project ___| | | | _ \| | - * / __| | | | |_) | | - * | (__| |_| | _ <| |___ - * \___|\___/|_| \_\_____| - * - * Copyright (C) 1998 - 2013, 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 "x509asn1.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 = data->set.ssl.verifypeer? NULL: 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; - } - - h->peerCert = NULL; - h->peerCertLen = 0; - 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; - } - - /* Verify host. */ - rc = Curl_verifyhost(conn, h->peerCert, h->peerCert + h->peerCertLen); - if(rc != CURLE_OK) - return rc; - - /* Gather certificate info. */ - if(data->set.ssl.certinfo) { - if(Curl_ssl_init_certinfo(data, 1)) - return CURLE_OUT_OF_MEMORY; - if(h->peerCert) { - rc = Curl_extract_certinfo(conn, 0, h->peerCert, - h->peerCert + h->peerCertLen); - if(rc != CURLE_OK) - return rc; - } - } - - 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); - if(rc != CURLE_OK) - SSL_Destroy(connssl->handle); - } - } - - if(rc == CURLE_OK) { - conn->recv[sockindex] = qsossl_recv; - conn->send[sockindex] = qsossl_send; - connssl->state = ssl_connection_complete; - } - else { - connssl->handle = NULL; - connssl->use = FALSE; - connssl->state = ssl_connection_none; - } - - 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 */ |