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Diffstat (limited to 'third_party/boringssl/src/crypto/bio/connect.c')
-rw-r--r--third_party/boringssl/src/crypto/bio/connect.c538
1 files changed, 0 insertions, 538 deletions
diff --git a/third_party/boringssl/src/crypto/bio/connect.c b/third_party/boringssl/src/crypto/bio/connect.c
deleted file mode 100644
index 2ed2def1e6..0000000000
--- a/third_party/boringssl/src/crypto/bio/connect.c
+++ /dev/null
@@ -1,538 +0,0 @@
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
- *
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- *
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to. The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code. The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. 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.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * "This product includes cryptographic software written by
- * Eric Young (eay@cryptsoft.com)"
- * The word 'cryptographic' can be left out if the rouines from the library
- * being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
- * the apps directory (application code) you must include an acknowledgement:
- * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``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 AUTHOR 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.
- *
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed. i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.] */
-
-#include <openssl/bio.h>
-
-#include <assert.h>
-#include <errno.h>
-#include <stdio.h>
-#include <string.h>
-
-#if !defined(OPENSSL_WINDOWS)
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <unistd.h>
-#else
-#pragma warning(push, 3)
-#include <winsock2.h>
-#include <ws2tcpip.h>
-#pragma warning(pop)
-#endif
-
-#include <openssl/buf.h>
-#include <openssl/err.h>
-#include <openssl/mem.h>
-
-#include "internal.h"
-
-
-enum {
- BIO_CONN_S_BEFORE,
- BIO_CONN_S_BLOCKED_CONNECT,
- BIO_CONN_S_OK,
-};
-
-typedef struct bio_connect_st {
- int state;
-
- char *param_hostname;
- char *param_port;
- int nbio;
-
- uint8_t ip[4];
- unsigned short port;
-
- struct sockaddr_storage them;
- socklen_t them_length;
-
- /* the file descriptor is kept in bio->num in order to match the socket
- * BIO. */
-
- /* info_callback is called when the connection is initially made
- * callback(BIO,state,ret); The callback should return 'ret', state is for
- * compatibility with the SSL info_callback. */
- int (*info_callback)(const BIO *bio, int state, int ret);
-} BIO_CONNECT;
-
-#if !defined(OPENSSL_WINDOWS)
-static int closesocket(int sock) {
- return close(sock);
-}
-#endif
-
-/* maybe_copy_ipv4_address sets |*ipv4| to the IPv4 address from |ss| (in
- * big-endian order), if |ss| contains an IPv4 socket address. */
-static void maybe_copy_ipv4_address(uint8_t *ipv4,
- const struct sockaddr_storage *ss) {
- const struct sockaddr_in *sin;
-
- if (ss->ss_family != AF_INET) {
- return;
- }
-
- sin = (const struct sockaddr_in*) ss;
- memcpy(ipv4, &sin->sin_addr, 4);
-}
-
-static int conn_state(BIO *bio, BIO_CONNECT *c) {
- int ret = -1, i;
- char *p, *q;
- int (*cb)(const BIO *, int, int) = NULL;
-
- if (c->info_callback != NULL) {
- cb = c->info_callback;
- }
-
- for (;;) {
- switch (c->state) {
- case BIO_CONN_S_BEFORE:
- p = c->param_hostname;
- if (p == NULL) {
- OPENSSL_PUT_ERROR(BIO, BIO_R_NO_HOSTNAME_SPECIFIED);
- goto exit_loop;
- }
- for (; *p != 0; p++) {
- if (*p == ':' || *p == '/') {
- break;
- }
- }
-
- i = *p;
- if (i == ':' || i == '/') {
- *(p++) = 0;
- if (i == ':') {
- for (q = p; *q; q++) {
- if (*q == '/') {
- *q = 0;
- break;
- }
- }
- OPENSSL_free(c->param_port);
- c->param_port = BUF_strdup(p);
- }
- }
-
- if (c->param_port == NULL) {
- OPENSSL_PUT_ERROR(BIO, BIO_R_NO_PORT_SPECIFIED);
- ERR_add_error_data(2, "host=", c->param_hostname);
- goto exit_loop;
- }
-
- if (!bio_ip_and_port_to_socket_and_addr(
- &bio->num, &c->them, &c->them_length, c->param_hostname,
- c->param_port)) {
- OPENSSL_PUT_ERROR(BIO, BIO_R_UNABLE_TO_CREATE_SOCKET);
- ERR_add_error_data(4, "host=", c->param_hostname, ":", c->param_port);
- goto exit_loop;
- }
-
- memset(c->ip, 0, 4);
- maybe_copy_ipv4_address(c->ip, &c->them);
-
- if (c->nbio) {
- if (!bio_socket_nbio(bio->num, 1)) {
- OPENSSL_PUT_ERROR(BIO, BIO_R_ERROR_SETTING_NBIO);
- ERR_add_error_data(4, "host=", c->param_hostname, ":",
- c->param_port);
- goto exit_loop;
- }
- }
-
- i = 1;
- ret = setsockopt(bio->num, SOL_SOCKET, SO_KEEPALIVE, (char *)&i,
- sizeof(i));
- if (ret < 0) {
- OPENSSL_PUT_SYSTEM_ERROR(setsockopt);
- OPENSSL_PUT_ERROR(BIO, BIO_R_KEEPALIVE);
- ERR_add_error_data(4, "host=", c->param_hostname, ":", c->param_port);
- goto exit_loop;
- }
-
- BIO_clear_retry_flags(bio);
- ret = connect(bio->num, (struct sockaddr*) &c->them, c->them_length);
- if (ret < 0) {
- if (bio_fd_should_retry(ret)) {
- BIO_set_flags(bio, (BIO_FLAGS_IO_SPECIAL | BIO_FLAGS_SHOULD_RETRY));
- c->state = BIO_CONN_S_BLOCKED_CONNECT;
- bio->retry_reason = BIO_RR_CONNECT;
- } else {
- OPENSSL_PUT_SYSTEM_ERROR(connect);
- OPENSSL_PUT_ERROR(BIO, BIO_R_CONNECT_ERROR);
- ERR_add_error_data(4, "host=", c->param_hostname, ":",
- c->param_port);
- }
- goto exit_loop;
- } else {
- c->state = BIO_CONN_S_OK;
- }
- break;
-
- case BIO_CONN_S_BLOCKED_CONNECT:
- i = bio_sock_error(bio->num);
- if (i) {
- if (bio_fd_should_retry(ret)) {
- BIO_set_flags(bio, (BIO_FLAGS_IO_SPECIAL | BIO_FLAGS_SHOULD_RETRY));
- c->state = BIO_CONN_S_BLOCKED_CONNECT;
- bio->retry_reason = BIO_RR_CONNECT;
- ret = -1;
- } else {
- BIO_clear_retry_flags(bio);
- OPENSSL_PUT_SYSTEM_ERROR(connect);
- OPENSSL_PUT_ERROR(BIO, BIO_R_NBIO_CONNECT_ERROR);
- ERR_add_error_data(4, "host=", c->param_hostname, ":", c->param_port);
- ret = 0;
- }
- goto exit_loop;
- } else {
- c->state = BIO_CONN_S_OK;
- }
- break;
-
- case BIO_CONN_S_OK:
- ret = 1;
- goto exit_loop;
- default:
- assert(0);
- goto exit_loop;
- }
-
- if (cb != NULL) {
- ret = cb((BIO *)bio, c->state, ret);
- if (ret == 0) {
- goto end;
- }
- }
- }
-
-exit_loop:
- if (cb != NULL) {
- ret = cb((BIO *)bio, c->state, ret);
- }
-
-end:
- return ret;
-}
-
-static BIO_CONNECT *BIO_CONNECT_new(void) {
- BIO_CONNECT *ret = OPENSSL_malloc(sizeof(BIO_CONNECT));
-
- if (ret == NULL) {
- return NULL;
- }
- memset(ret, 0, sizeof(BIO_CONNECT));
-
- ret->state = BIO_CONN_S_BEFORE;
- return ret;
-}
-
-static void BIO_CONNECT_free(BIO_CONNECT *c) {
- if (c == NULL) {
- return;
- }
-
- OPENSSL_free(c->param_hostname);
- OPENSSL_free(c->param_port);
- OPENSSL_free(c);
-}
-
-static int conn_new(BIO *bio) {
- bio->init = 0;
- bio->num = -1;
- bio->flags = 0;
- bio->ptr = (char *)BIO_CONNECT_new();
- return bio->ptr != NULL;
-}
-
-static void conn_close_socket(BIO *bio) {
- BIO_CONNECT *c = (BIO_CONNECT *) bio->ptr;
-
- if (bio->num == -1) {
- return;
- }
-
- /* Only do a shutdown if things were established */
- if (c->state == BIO_CONN_S_OK) {
- shutdown(bio->num, 2);
- }
- closesocket(bio->num);
- bio->num = -1;
-}
-
-static int conn_free(BIO *bio) {
- if (bio == NULL) {
- return 0;
- }
-
- if (bio->shutdown) {
- conn_close_socket(bio);
- }
-
- BIO_CONNECT_free((BIO_CONNECT*) bio->ptr);
-
- return 1;
-}
-
-static int conn_read(BIO *bio, char *out, int out_len) {
- int ret = 0;
- BIO_CONNECT *data;
-
- data = (BIO_CONNECT *)bio->ptr;
- if (data->state != BIO_CONN_S_OK) {
- ret = conn_state(bio, data);
- if (ret <= 0) {
- return ret;
- }
- }
-
- bio_clear_socket_error();
- ret = recv(bio->num, out, out_len, 0);
- BIO_clear_retry_flags(bio);
- if (ret <= 0) {
- if (bio_fd_should_retry(ret)) {
- BIO_set_retry_read(bio);
- }
- }
-
- return ret;
-}
-
-static int conn_write(BIO *bio, const char *in, int in_len) {
- int ret;
- BIO_CONNECT *data;
-
- data = (BIO_CONNECT *)bio->ptr;
- if (data->state != BIO_CONN_S_OK) {
- ret = conn_state(bio, data);
- if (ret <= 0) {
- return ret;
- }
- }
-
- bio_clear_socket_error();
- ret = send(bio->num, in, in_len, 0);
- BIO_clear_retry_flags(bio);
- if (ret <= 0) {
- if (bio_fd_should_retry(ret)) {
- BIO_set_retry_write(bio);
- }
- }
-
- return ret;
-}
-
-static long conn_ctrl(BIO *bio, int cmd, long num, void *ptr) {
- int *ip;
- const char **pptr;
- long ret = 1;
- BIO_CONNECT *data;
-
- data = (BIO_CONNECT *)bio->ptr;
-
- switch (cmd) {
- case BIO_CTRL_RESET:
- ret = 0;
- data->state = BIO_CONN_S_BEFORE;
- conn_close_socket(bio);
- bio->flags = 0;
- break;
- case BIO_C_DO_STATE_MACHINE:
- /* use this one to start the connection */
- if (data->state != BIO_CONN_S_OK) {
- ret = (long)conn_state(bio, data);
- } else {
- ret = 1;
- }
- break;
- case BIO_C_GET_CONNECT:
- /* TODO(fork): can this be removed? (Or maybe this whole file). */
- if (ptr != NULL) {
- pptr = (const char **)ptr;
- if (num == 0) {
- *pptr = data->param_hostname;
- } else if (num == 1) {
- *pptr = data->param_port;
- } else if (num == 2) {
- *pptr = (char *) &data->ip[0];
- } else if (num == 3) {
- *((int *)ptr) = data->port;
- }
- if (!bio->init) {
- *pptr = "not initialized";
- }
- ret = 1;
- }
- break;
- case BIO_C_SET_CONNECT:
- if (ptr != NULL) {
- bio->init = 1;
- if (num == 0) {
- OPENSSL_free(data->param_hostname);
- data->param_hostname = BUF_strdup(ptr);
- if (data->param_hostname == NULL) {
- ret = 0;
- }
- } else if (num == 1) {
- OPENSSL_free(data->param_port);
- data->param_port = BUF_strdup(ptr);
- if (data->param_port == NULL) {
- ret = 0;
- }
- } else {
- ret = 0;
- }
- }
- break;
- case BIO_C_SET_NBIO:
- data->nbio = (int)num;
- break;
- case BIO_C_GET_FD:
- if (bio->init) {
- ip = (int *)ptr;
- if (ip != NULL) {
- *ip = bio->num;
- }
- ret = 1;
- } else {
- ret = 0;
- }
- break;
- case BIO_CTRL_GET_CLOSE:
- ret = bio->shutdown;
- break;
- case BIO_CTRL_SET_CLOSE:
- bio->shutdown = (int)num;
- break;
- case BIO_CTRL_PENDING:
- case BIO_CTRL_WPENDING:
- ret = 0;
- break;
- case BIO_CTRL_FLUSH:
- break;
- case BIO_CTRL_SET_CALLBACK: {
-#if 0 /* FIXME: Should this be used? -- Richard Levitte */
- OPENSSL_PUT_ERROR(BIO, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
- ret = -1;
-#else
- ret = 0;
-#endif
- } break;
- case BIO_CTRL_GET_CALLBACK: {
- int (**fptr)(const BIO *bio, int state, int xret);
- fptr = (int (**)(const BIO *bio, int state, int xret))ptr;
- *fptr = data->info_callback;
- } break;
- default:
- ret = 0;
- break;
- }
- return (ret);
-}
-
-static long conn_callback_ctrl(BIO *bio, int cmd, bio_info_cb fp) {
- long ret = 1;
- BIO_CONNECT *data;
-
- data = (BIO_CONNECT *)bio->ptr;
-
- switch (cmd) {
- case BIO_CTRL_SET_CALLBACK: {
- data->info_callback = (int (*)(const struct bio_st *, int, int))fp;
- } break;
- default:
- ret = 0;
- break;
- }
- return ret;
-}
-
-static int conn_puts(BIO *bp, const char *str) {
- return conn_write(bp, str, strlen(str));
-}
-
-BIO *BIO_new_connect(const char *hostname) {
- BIO *ret;
-
- ret = BIO_new(BIO_s_connect());
- if (ret == NULL) {
- return NULL;
- }
- if (!BIO_set_conn_hostname(ret, hostname)) {
- BIO_free(ret);
- return NULL;
- }
- return ret;
-}
-
-static const BIO_METHOD methods_connectp = {
- BIO_TYPE_CONNECT, "socket connect", conn_write, conn_read,
- conn_puts, NULL /* connect_gets, */, conn_ctrl, conn_new,
- conn_free, conn_callback_ctrl,
-};
-
-const BIO_METHOD *BIO_s_connect(void) { return &methods_connectp; }
-
-int BIO_set_conn_hostname(BIO *bio, const char *name) {
- return BIO_ctrl(bio, BIO_C_SET_CONNECT, 0, (void*) name);
-}
-
-int BIO_set_conn_port(BIO *bio, const char *port_str) {
- return BIO_ctrl(bio, BIO_C_SET_CONNECT, 1, (void*) port_str);
-}
-
-int BIO_set_nbio(BIO *bio, int on) {
- return BIO_ctrl(bio, BIO_C_SET_NBIO, on, NULL);
-}
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