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-rw-r--r--src/s_client.c289
1 files changed, 0 insertions, 289 deletions
diff --git a/src/s_client.c b/src/s_client.c
deleted file mode 100644
index cf7440d..0000000
--- a/src/s_client.c
+++ /dev/null
@@ -1,289 +0,0 @@
-/*
- * s_client command
- *
- * Copyright (C) 2019 Libiquity LLC
- *
- * This file is part of wolfutil.
- *
- * wolfutil is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * wolfutil is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with wolfutil. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <errno.h>
-#include <netdb.h>
-#include <poll.h>
-#include <stdbool.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <sys/socket.h>
-#include <unistd.h>
-
-#include <wolfssl/options.h>
-#include <wolfssl/ssl.h>
-#include <wolfssl/wolfcrypt/settings.h>
-
-#include "commands.h"
-
-#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
-#undef MAX
-#define MAX(a, b) (((a) > (b)) ? (a) : (b))
-#undef MIN
-#define MIN(a, b) (((a) < (b)) ? (a) : (b))
-
-static _Bool
-parse_host_port(char *hostport, char **host, char **port)
-{
- *host = hostport;
- /* XXX: Port is required. Otherwise, this will mangle IPv6 addresses
- * without some more intelligent (and larger) code. */
- *port = strrchr(*host, ':');
- if (*port == NULL) {
- fputs("Port is required\n", stderr);
- return false;
- }
- **port = '\0';
- ++*port;
-
- return true;
-}
-
-static int
-connect_socket(const char *host, const char *port)
-{
- struct addrinfo hints = {0};
- struct addrinfo *result;
- int s;
- struct addrinfo *rp;
- int sfd;
-
- hints.ai_family = AF_UNSPEC;
- hints.ai_socktype = SOCK_STREAM;
- hints.ai_flags = AI_PASSIVE;
- hints.ai_protocol = 0;
-
- s = getaddrinfo(host, port, &hints, &result);
- if (s != 0) {
- fprintf(stderr, "Failed to resolve host and port: %s\n",
- gai_strerror(s));
- return -1;
- }
-
- for (rp = result; rp != NULL; rp = rp->ai_next) {
- sfd = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol);
- if (sfd == -1) {
- continue;
- }
- if (connect(sfd, rp->ai_addr, rp->ai_addrlen) == -1) {
- close(sfd);
- continue;
- }
- break;
- }
- if (rp == NULL) {
- fputs("Failed to connect\n", stderr);
- sfd = -1;
- }
-
- freeaddrinfo(result);
-
- return sfd;
-}
-
-static _Bool
-write_all(int fd, const void *buf, size_t count)
-{
- ssize_t ret;
-
- while (count > 0) {
- while ((ret = write(fd, buf, count)) < 0 && errno == EINTR) {
- continue;
- }
- if (ret < 0) {
- return false;
- }
- buf = ((const char *) buf) + ret;
- count -= ret;
- }
-
- return true;
-}
-
-static _Bool
-poll_fds(int sfd, WOLFSSL *ssl)
-{
- struct pollfd fds[2] = {
- { .fd = -1, .events = POLLIN|POLLERR, .revents = 0 },
- { .fd = -1, .events = POLLIN|POLLERR, .revents = 0 },
- };
- char buf[MAX(8192, WOLFSSL_MAX_ERROR_SZ)];
- ssize_t len;
- int ret;
-
- fds[0].fd = STDIN_FILENO;
- fds[1].fd = sfd;
-
- for (;;) {
- while (poll(fds, ARRAY_SIZE(fds), -1) < 0 && (errno == EINTR ||
- errno == EAGAIN)) {
- continue;
- }
- if (fds[0].revents > 0) { /* stdin */
- len = read(STDIN_FILENO, buf, sizeof(buf));
- if (len < 0) {
- fputs("Input read error\n", stderr);
- return false;
- } else if (len == 0) {
- fds[0].fd = -1; /* Stop polling. */
- } else if ((ret = wolfSSL_write(ssl, buf, len)) <= 0) {
- wolfSSL_ERR_error_string(wolfSSL_get_error(ssl,
- ret), buf);
- fprintf(stderr, "Socket write error: %s\n",
- buf);
- return false;
- }
- }
- if (fds[1].revents > 0) { /* socket */
- ret = wolfSSL_read(ssl, buf, MIN(sizeof(buf), 1024));
- if (ret < 0) {
- wolfSSL_ERR_error_string(wolfSSL_get_error(ssl,
- ret), buf);
- fprintf(stderr, "Socket read error: %s\n",
- buf);
- return false;
- } else if (ret == 0) {
- fds[1].fd = -1; /* Stop polling. */
- close(STDOUT_FILENO); /* Signal socket EOF. */
- } else if (write_all(STDOUT_FILENO, buf, (size_t) ret)
- == false) {
- return false;
- }
- }
- if (fds[0].fd == fds[1].fd) { /* Both -1 (no longer polled) */
- return true;
- }
- }
-
- /* Unreached */
-}
-
-int
-s_client(int argc, char **argv)
-{
- _Bool quiet = false;
- char *host = NULL;
- char *port = NULL;
- const char *servername = NULL;
- int ret = EXIT_FAILURE;
- WOLFSSL_METHOD *method;
- WOLFSSL_CTX *ctx = NULL;
- WOLFSSL *ssl = NULL;
- int sfd = -1;
- int err;
- char buf[WOLFSSL_MAX_ERROR_SZ];
-
- for (; argc > 0; --argc, ++argv) {
- if (strcmp(*argv, "-quiet") == 0) {
- quiet = true;
- } else if (strcmp(*argv, "-connect") == 0) {
- --argc, ++argv;
- if (parse_host_port(*argv, &host, &port) == false) {
- return EXIT_FAILURE;
- }
- } else if (strcmp(*argv, "-servername") == 0) {
- --argc, ++argv;
- servername = *argv;
- } else if (**argv == '-') {
- fprintf(stderr, "Unsupported option \"%s\"\n", *argv);
- }
- }
-
- wolfSSL_Init();
-
- if (quiet == false) {
- wolfSSL_Debugging_ON();
- }
-
- if (
- (method = wolfTLSv1_2_client_method()) == NULL ||
- (ctx = wolfSSL_CTX_new(method)) == NULL ||
-#ifdef HAVE_CERTIFICATE_STATUS_REQUEST_V2
- wolfSSL_CTX_EnableOCSPStapling(ctx) != WOLFSSL_SUCCESS
- || wolfSSL_CTX_UseOCSPStaplingV2(ctx,
- WOLFSSL_CSR2_OCSP_MULTI, 0) !=
- WOLFSSL_SUCCESS ||
-#endif
-#ifdef HAVE_CERTIFICATE_STATUS_REQUEST
- wolfSSL_CTX_EnableOCSPStapling(ctx) != WOLFSSL_SUCCESS
- || wolfSSL_CTX_UseOCSPStapling(ctx, WOLFSSL_CSR_OCSP, 0)
- != WOLFSSL_SUCCESS ||
-#endif
-#ifdef HAVE_OCSP
- wolfSSL_CTX_EnableOCSP(ctx, WOLFSSL_OCSP_CHECKALL) !=
- WOLFSSL_SUCCESS ||
-#endif
-#if defined(HAVE_CRL) && defined(HAVE_CRL_IO)
- wolfSSL_CTX_EnableCRL(ctx, WOLFSSL_CRL_CHECKALL) !=
- WOLFSSL_SUCCESS ||
-#endif
-#ifdef HAVE_SNI
- (servername != NULL && wolfSSL_CTX_UseSNI(ctx,
- WOLFSSL_SNI_HOST_NAME, servername,
- strlen(servername)) != WOLFSSL_SUCCESS) ||
-#endif
- (ssl = wolfSSL_new(ctx)) == NULL ||
- wolfSSL_check_domain_name(ssl, servername) !=
- WOLFSSL_SUCCESS
- ) {
- fputs("Out of memory\n", stderr);
- goto error;
- }
-
-#if defined(HAVE_CA_CERTS) && HAVE_CA_CERTS
- if (wolfSSL_CTX_load_verify_locations_ex(ctx,
- CA_CERTS_FILE, CA_CERTS_DIR,
- WOLFSSL_LOAD_FLAG_IGNORE_ERR) !=
- WOLFSSL_SUCCESS) {
- fputs("Failed to load CA certificates\n", stderr);
- goto error;
- }
-#endif
-
- if ((sfd = connect_socket(host, port)) == -1) {
- goto error;
- }
- wolfSSL_set_fd(ssl, sfd);
-
- if ((err = wolfSSL_connect(ssl)) != WOLFSSL_SUCCESS) {
- wolfSSL_ERR_error_string(wolfSSL_get_error(ssl, err), buf);
- fprintf(stderr, "Handshake error: %s\n", buf);
- goto error;
- }
-
- if (poll_fds(sfd, ssl) == false) {
- goto error;
- }
-
- ret = EXIT_SUCCESS;
-error:
- close(sfd);
- wolfSSL_free(ssl);
- wolfSSL_CTX_free(ctx);
- wolfSSL_Cleanup();
-
- return ret;
-}
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