Remove testing data

1 files changed, 0 insertions, 617 deletions

diff --git a/examples/redis-unstable/deps/hiredis/ssl.c b/examples/redis-unstable/deps/hiredis/ssl.c
deleted file mode 100644
index 9ab18cc..0000000
--- a/examples/redis-unstable/deps/hiredis/ssl.c
+++ /dev/null
@@ -1,617 +0,0 @@
-/*
- * Copyright (c) 2009-2011, Salvatore Sanfilippo <antirez at gmail dot com>
- * Copyright (c) 2010-2011, Pieter Noordhuis <pcnoordhuis at gmail dot com>
- * Copyright (c) 2019, Redis Labs
- *
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- *   * Redistributions of source code must retain the above copyright notice,
- *     this list of conditions and the following disclaimer.
- *   * Redistributions in binary form must reproduce the above copyright
- *     notice, this list of conditions and the following disclaimer in the
- *     documentation and/or other materials provided with the distribution.
- *   * Neither the name of Redis nor the names of its contributors may be used
- *     to endorse or promote products derived from this software without
- *     specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "hiredis.h"
-#include "async.h"
-#include "net.h"
-
-#include <assert.h>
-#include <errno.h>
-#include <string.h>
-#ifdef _WIN32
-#include <windows.h>
-#include <wincrypt.h>
-#ifdef OPENSSL_IS_BORINGSSL
-#undef X509_NAME
-#undef X509_EXTENSIONS
-#undef PKCS7_ISSUER_AND_SERIAL
-#undef PKCS7_SIGNER_INFO
-#undef OCSP_REQUEST
-#undef OCSP_RESPONSE
-#endif
-#else
-#include <pthread.h>
-#endif
-
-#include <openssl/ssl.h>
-#include <openssl/err.h>
-
-#include "win32.h"
-#include "async_private.h"
-#include "hiredis_ssl.h"
-
-#define OPENSSL_1_1_0 0x10100000L
-
-void __redisSetError(redisContext *c, int type, const char *str);
-
-struct redisSSLContext {
-    /* Associated OpenSSL SSL_CTX as created by redisCreateSSLContext() */
-    SSL_CTX *ssl_ctx;
-
-    /* Requested SNI, or NULL */
-    char *server_name;
-};
-
-/* The SSL connection context is attached to SSL/TLS connections as a privdata. */
-typedef struct redisSSL {
-    /**
-     * OpenSSL SSL object.
-     */
-    SSL *ssl;
-
-    /**
-     * SSL_write() requires to be called again with the same arguments it was
-     * previously called with in the event of an SSL_read/SSL_write situation
-     */
-    size_t lastLen;
-
-    /** Whether the SSL layer requires read (possibly before a write) */
-    int wantRead;
-
-    /**
-     * Whether a write was requested prior to a read. If set, the write()
-     * should resume whenever a read takes place, if possible
-     */
-    int pendingWrite;
-} redisSSL;
-
-/* Forward declaration */
-redisContextFuncs redisContextSSLFuncs;
-
-/**
- * OpenSSL global initialization and locking handling callbacks.
- * Note that this is only required for OpenSSL < 1.1.0.
- */
-
-#if OPENSSL_VERSION_NUMBER < OPENSSL_1_1_0
-#define HIREDIS_USE_CRYPTO_LOCKS
-#endif
-
-#ifdef HIREDIS_USE_CRYPTO_LOCKS
-#ifdef _WIN32
-typedef CRITICAL_SECTION sslLockType;
-static void sslLockInit(sslLockType* l) {
-    InitializeCriticalSection(l);
-}
-static void sslLockAcquire(sslLockType* l) {
-    EnterCriticalSection(l);
-}
-static void sslLockRelease(sslLockType* l) {
-    LeaveCriticalSection(l);
-}
-#else
-typedef pthread_mutex_t sslLockType;
-static void sslLockInit(sslLockType *l) {
-    pthread_mutex_init(l, NULL);
-}
-static void sslLockAcquire(sslLockType *l) {
-    pthread_mutex_lock(l);
-}
-static void sslLockRelease(sslLockType *l) {
-    pthread_mutex_unlock(l);
-}
-#endif
-
-static sslLockType* ossl_locks;
-
-static void opensslDoLock(int mode, int lkid, const char *f, int line) {
-    sslLockType *l = ossl_locks + lkid;
-
-    if (mode & CRYPTO_LOCK) {
-        sslLockAcquire(l);
-    } else {
-        sslLockRelease(l);
-    }
-
-    (void)f;
-    (void)line;
-}
-
-static int initOpensslLocks(void) {
-    unsigned ii, nlocks;
-    if (CRYPTO_get_locking_callback() != NULL) {
-        /* Someone already set the callback before us. Don't destroy it! */
-        return REDIS_OK;
-    }
-    nlocks = CRYPTO_num_locks();
-    ossl_locks = hi_malloc(sizeof(*ossl_locks) * nlocks);
-    if (ossl_locks == NULL)
-        return REDIS_ERR;
-
-    for (ii = 0; ii < nlocks; ii++) {
-        sslLockInit(ossl_locks + ii);
-    }
-    CRYPTO_set_locking_callback(opensslDoLock);
-    return REDIS_OK;
-}
-#endif /* HIREDIS_USE_CRYPTO_LOCKS */
-
-int redisInitOpenSSL(void)
-{
-    SSL_library_init();
-#ifdef HIREDIS_USE_CRYPTO_LOCKS
-    initOpensslLocks();
-#endif
-
-    return REDIS_OK;
-}
-
-/**
- * redisSSLContext helper context destruction.
- */
-
-const char *redisSSLContextGetError(redisSSLContextError error)
-{
-    switch (error) {
-        case REDIS_SSL_CTX_NONE:
-            return "No Error";
-        case REDIS_SSL_CTX_CREATE_FAILED:
-            return "Failed to create OpenSSL SSL_CTX";
-        case REDIS_SSL_CTX_CERT_KEY_REQUIRED:
-            return "Client cert and key must both be specified or skipped";
-        case REDIS_SSL_CTX_CA_CERT_LOAD_FAILED:
-            return "Failed to load CA Certificate or CA Path";
-        case REDIS_SSL_CTX_CLIENT_CERT_LOAD_FAILED:
-            return "Failed to load client certificate";
-        case REDIS_SSL_CTX_PRIVATE_KEY_LOAD_FAILED:
-            return "Failed to load private key";
-        case REDIS_SSL_CTX_OS_CERTSTORE_OPEN_FAILED:
-            return "Failed to open system certificate store";
-        case REDIS_SSL_CTX_OS_CERT_ADD_FAILED:
-            return "Failed to add CA certificates obtained from system to the SSL context";
-        default:
-            return "Unknown error code";
-    }
-}
-
-void redisFreeSSLContext(redisSSLContext *ctx)
-{
-    if (!ctx)
-        return;
-
-    if (ctx->server_name) {
-        hi_free(ctx->server_name);
-        ctx->server_name = NULL;
-    }
-
-    if (ctx->ssl_ctx) {
-        SSL_CTX_free(ctx->ssl_ctx);
-        ctx->ssl_ctx = NULL;
-    }
-
-    hi_free(ctx);
-}
-
-
-/**
- * redisSSLContext helper context initialization.
- */
-
-redisSSLContext *redisCreateSSLContext(const char *cacert_filename, const char *capath,
-        const char *cert_filename, const char *private_key_filename,
-        const char *server_name, redisSSLContextError *error)
-{
-    redisSSLOptions options = {
-        .cacert_filename = cacert_filename,
-        .capath = capath,
-        .cert_filename = cert_filename,
-        .private_key_filename = private_key_filename,
-        .server_name = server_name,
-        .verify_mode = REDIS_SSL_VERIFY_PEER,
-    };
-
-    return redisCreateSSLContextWithOptions(&options, error);
-}
-
-redisSSLContext *redisCreateSSLContextWithOptions(redisSSLOptions *options, redisSSLContextError *error) {
-    const char *cacert_filename = options->cacert_filename;
-    const char *capath = options->capath;
-    const char *cert_filename = options->cert_filename;
-    const char *private_key_filename = options->private_key_filename;
-    const char *server_name = options->server_name;
-
-#ifdef _WIN32
-    HCERTSTORE win_store = NULL;
-    PCCERT_CONTEXT win_ctx = NULL;
-#endif
-
-    redisSSLContext *ctx = hi_calloc(1, sizeof(redisSSLContext));
-    if (ctx == NULL)
-        goto error;
-
-    const SSL_METHOD *ssl_method;
-#if OPENSSL_VERSION_NUMBER >= OPENSSL_1_1_0
-    ssl_method = TLS_client_method();
-#else
-    ssl_method = SSLv23_client_method();
-#endif
-
-    ctx->ssl_ctx = SSL_CTX_new(ssl_method);
-    if (!ctx->ssl_ctx) {
-        if (error) *error = REDIS_SSL_CTX_CREATE_FAILED;
-        goto error;
-    }
-
-#if OPENSSL_VERSION_NUMBER >= OPENSSL_1_1_0
-    SSL_CTX_set_min_proto_version(ctx->ssl_ctx, TLS1_2_VERSION);
-#else
-    SSL_CTX_set_options(ctx->ssl_ctx, SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3 | SSL_OP_NO_TLSv1 | SSL_OP_NO_TLSv1_1);
-#endif
-
-    SSL_CTX_set_verify(ctx->ssl_ctx, options->verify_mode, NULL);
-
-    if ((cert_filename != NULL && private_key_filename == NULL) ||
-            (private_key_filename != NULL && cert_filename == NULL)) {
-        if (error) *error = REDIS_SSL_CTX_CERT_KEY_REQUIRED;
-        goto error;
-    }
-
-    if (capath || cacert_filename) {
-#ifdef _WIN32
-        if (0 == strcmp(cacert_filename, "wincert")) {
-            win_store = CertOpenSystemStore(NULL, "Root");
-            if (!win_store) {
-                if (error) *error = REDIS_SSL_CTX_OS_CERTSTORE_OPEN_FAILED;
-                goto error;
-            }
-            X509_STORE* store = SSL_CTX_get_cert_store(ctx->ssl_ctx);
-            while (win_ctx = CertEnumCertificatesInStore(win_store, win_ctx)) {
-                X509* x509 = NULL;
-                x509 = d2i_X509(NULL, (const unsigned char**)&win_ctx->pbCertEncoded, win_ctx->cbCertEncoded);
-                if (x509) {
-                    if ((1 != X509_STORE_add_cert(store, x509)) ||
-                        (1 != SSL_CTX_add_client_CA(ctx->ssl_ctx, x509)))
-                    {
-                        if (error) *error = REDIS_SSL_CTX_OS_CERT_ADD_FAILED;
-                        goto error;
-                    }
-                    X509_free(x509);
-                }
-            }
-            CertFreeCertificateContext(win_ctx);
-            CertCloseStore(win_store, 0);
-        } else
-#endif
-        if (!SSL_CTX_load_verify_locations(ctx->ssl_ctx, cacert_filename, capath)) {
-            if (error) *error = REDIS_SSL_CTX_CA_CERT_LOAD_FAILED;
-            goto error;
-        }
-    } else {
-        if (!SSL_CTX_set_default_verify_paths(ctx->ssl_ctx)) {
-            if (error) *error = REDIS_SSL_CTX_CLIENT_DEFAULT_CERT_FAILED;
-            goto error;
-        }
-    }
-
-    if (cert_filename) {
-        if (!SSL_CTX_use_certificate_chain_file(ctx->ssl_ctx, cert_filename)) {
-            if (error) *error = REDIS_SSL_CTX_CLIENT_CERT_LOAD_FAILED;
-            goto error;
-        }
-        if (!SSL_CTX_use_PrivateKey_file(ctx->ssl_ctx, private_key_filename, SSL_FILETYPE_PEM)) {
-            if (error) *error = REDIS_SSL_CTX_PRIVATE_KEY_LOAD_FAILED;
-            goto error;
-        }
-    }
-
-    if (server_name)
-        ctx->server_name = hi_strdup(server_name);
-
-    return ctx;
-
-error:
-#ifdef _WIN32
-    CertFreeCertificateContext(win_ctx);
-    CertCloseStore(win_store, 0);
-#endif
-    redisFreeSSLContext(ctx);
-    return NULL;
-}
-
-/**
- * SSL Connection initialization.
- */
-
-
-static int redisSSLConnect(redisContext *c, SSL *ssl) {
-    if (c->privctx) {
-        __redisSetError(c, REDIS_ERR_OTHER, "redisContext was already associated");
-        return REDIS_ERR;
-    }
-
-    redisSSL *rssl = hi_calloc(1, sizeof(redisSSL));
-    if (rssl == NULL) {
-        __redisSetError(c, REDIS_ERR_OOM, "Out of memory");
-        return REDIS_ERR;
-    }
-
-    c->funcs = &redisContextSSLFuncs;
-    rssl->ssl = ssl;
-
-    SSL_set_mode(rssl->ssl, SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER);
-    SSL_set_fd(rssl->ssl, c->fd);
-    SSL_set_connect_state(rssl->ssl);
-
-    ERR_clear_error();
-    int rv = SSL_connect(rssl->ssl);
-    if (rv == 1) {
-        c->privctx = rssl;
-        return REDIS_OK;
-    }
-
-    rv = SSL_get_error(rssl->ssl, rv);
-    if (((c->flags & REDIS_BLOCK) == 0) &&
-        (rv == SSL_ERROR_WANT_READ || rv == SSL_ERROR_WANT_WRITE)) {
-        c->privctx = rssl;
-        return REDIS_OK;
-    }
-
-    if (c->err == 0) {
-        char err[512];
-        if (rv == SSL_ERROR_SYSCALL)
-            snprintf(err,sizeof(err)-1,"SSL_connect failed: %s",strerror(errno));
-        else {
-            unsigned long e = ERR_peek_last_error();
-            snprintf(err,sizeof(err)-1,"SSL_connect failed: %s",
-                    ERR_reason_error_string(e));
-        }
-        __redisSetError(c, REDIS_ERR_IO, err);
-    }
-
-    hi_free(rssl);
-    return REDIS_ERR;
-}
-
-/**
- * A wrapper around redisSSLConnect() for users who manage their own context and
- * create their own SSL object.
- */
-
-int redisInitiateSSL(redisContext *c, SSL *ssl) {
-    return redisSSLConnect(c, ssl);
-}
-
-/**
- * A wrapper around redisSSLConnect() for users who use redisSSLContext and don't
- * manage their own SSL objects.
- */
-
-int redisInitiateSSLWithContext(redisContext *c, redisSSLContext *redis_ssl_ctx)
-{
-    if (!c || !redis_ssl_ctx)
-        return REDIS_ERR;
-
-    /* We want to verify that redisSSLConnect() won't fail on this, as it will
-     * not own the SSL object in that case and we'll end up leaking.
-     */
-    if (c->privctx)
-        return REDIS_ERR;
-
-    SSL *ssl = SSL_new(redis_ssl_ctx->ssl_ctx);
-    if (!ssl) {
-        __redisSetError(c, REDIS_ERR_OTHER, "Couldn't create new SSL instance");
-        goto error;
-    }
-
-    if (redis_ssl_ctx->server_name) {
-        if (!SSL_set_tlsext_host_name(ssl, redis_ssl_ctx->server_name)) {
-            __redisSetError(c, REDIS_ERR_OTHER, "Failed to set server_name/SNI");
-            goto error;
-        }
-    }
-
-    if (redisSSLConnect(c, ssl) != REDIS_OK) {
-        goto error;
-    }
-
-    return REDIS_OK;
-
-error:
-    if (ssl)
-        SSL_free(ssl);
-    return REDIS_ERR;
-}
-
-static int maybeCheckWant(redisSSL *rssl, int rv) {
-    /**
-     * If the error is WANT_READ or WANT_WRITE, the appropriate flags are set
-     * and true is returned. False is returned otherwise
-     */
-    if (rv == SSL_ERROR_WANT_READ) {
-        rssl->wantRead = 1;
-        return 1;
-    } else if (rv == SSL_ERROR_WANT_WRITE) {
-        rssl->pendingWrite = 1;
-        return 1;
-    } else {
-        return 0;
-    }
-}
-
-/**
- * Implementation of redisContextFuncs for SSL connections.
- */
-
-static void redisSSLFree(void *privctx){
-    redisSSL *rsc = privctx;
-
-    if (!rsc) return;
-    if (rsc->ssl) {
-        SSL_free(rsc->ssl);
-        rsc->ssl = NULL;
-    }
-    hi_free(rsc);
-}
-
-static ssize_t redisSSLRead(redisContext *c, char *buf, size_t bufcap) {
-    redisSSL *rssl = c->privctx;
-
-    int nread = SSL_read(rssl->ssl, buf, bufcap);
-    if (nread > 0) {
-        return nread;
-    } else if (nread == 0) {
-        __redisSetError(c, REDIS_ERR_EOF, "Server closed the connection");
-        return -1;
-    } else {
-        int err = SSL_get_error(rssl->ssl, nread);
-        if (c->flags & REDIS_BLOCK) {
-            /**
-             * In blocking mode, we should never end up in a situation where
-             * we get an error without it being an actual error, except
-             * in the case of EINTR, which can be spuriously received from
-             * debuggers or whatever.
-             */
-            if (errno == EINTR) {
-                return 0;
-            } else {
-                const char *msg = NULL;
-                if (errno == EAGAIN) {
-                    msg = "Resource temporarily unavailable";
-                }
-                __redisSetError(c, REDIS_ERR_IO, msg);
-                return -1;
-            }
-        }
-
-        /**
-         * We can very well get an EWOULDBLOCK/EAGAIN, however
-         */
-        if (maybeCheckWant(rssl, err)) {
-            return 0;
-        } else {
-            __redisSetError(c, REDIS_ERR_IO, NULL);
-            return -1;
-        }
-    }
-}
-
-static ssize_t redisSSLWrite(redisContext *c) {
-    redisSSL *rssl = c->privctx;
-
-    size_t len = rssl->lastLen ? rssl->lastLen : hi_sdslen(c->obuf);
-    int rv = SSL_write(rssl->ssl, c->obuf, len);
-
-    if (rv > 0) {
-        rssl->lastLen = 0;
-    } else if (rv < 0) {
-        rssl->lastLen = len;
-
-        int err = SSL_get_error(rssl->ssl, rv);
-        if ((c->flags & REDIS_BLOCK) == 0 && maybeCheckWant(rssl, err)) {
-            return 0;
-        } else {
-            __redisSetError(c, REDIS_ERR_IO, NULL);
-            return -1;
-        }
-    }
-    return rv;
-}
-
-static void redisSSLAsyncRead(redisAsyncContext *ac) {
-    int rv;
-    redisSSL *rssl = ac->c.privctx;
-    redisContext *c = &ac->c;
-
-    rssl->wantRead = 0;
-
-    if (rssl->pendingWrite) {
-        int done;
-
-        /* This is probably just a write event */
-        rssl->pendingWrite = 0;
-        rv = redisBufferWrite(c, &done);
-        if (rv == REDIS_ERR) {
-            __redisAsyncDisconnect(ac);
-            return;
-        } else if (!done) {
-            _EL_ADD_WRITE(ac);
-        }
-    }
-
-    rv = redisBufferRead(c);
-    if (rv == REDIS_ERR) {
-        __redisAsyncDisconnect(ac);
-    } else {
-        _EL_ADD_READ(ac);
-        redisProcessCallbacks(ac);
-    }
-}
-
-static void redisSSLAsyncWrite(redisAsyncContext *ac) {
-    int rv, done = 0;
-    redisSSL *rssl = ac->c.privctx;
-    redisContext *c = &ac->c;
-
-    rssl->pendingWrite = 0;
-    rv = redisBufferWrite(c, &done);
-    if (rv == REDIS_ERR) {
-        __redisAsyncDisconnect(ac);
-        return;
-    }
-
-    if (!done) {
-        if (rssl->wantRead) {
-            /* Need to read-before-write */
-            rssl->pendingWrite = 1;
-            _EL_DEL_WRITE(ac);
-        } else {
-            /* No extra reads needed, just need to write more */
-            _EL_ADD_WRITE(ac);
-        }
-    } else {
-        /* Already done! */
-        _EL_DEL_WRITE(ac);
-    }
-
-    /* Always reschedule a read */
-    _EL_ADD_READ(ac);
-}
-
-redisContextFuncs redisContextSSLFuncs = {
-    .close = redisNetClose,
-    .free_privctx = redisSSLFree,
-    .async_read = redisSSLAsyncRead,
-    .async_write = redisSSLAsyncWrite,
-    .read = redisSSLRead,
-    .write = redisSSLWrite
-};
-