--- /dev/null
+/*
+ * Copyright (c) 2007, Cameron Rich
+ *
+ * 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 the axTLS project 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.
+ */
+
+/**
+ * Demonstrate the use of the axTLS library in C with a set of
+ * command-line parameters similar to openssl. In fact, openssl clients
+ * should be able to communicate with axTLS servers and visa-versa.
+ *
+ * This code has various bits enabled depending on the configuration. To enable
+ * the most interesting version, compile with the 'full mode' enabled.
+ *
+ * To see what options you have, run the following:
+ * > axssl s_server -?
+ * > axssl s_client -?
+ *
+ * The axtls shared library must be in the same directory or be found
+ * by the OS.
+ */
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include "ssl.h"
+
+/* define standard input */
+#ifndef STDIN_FILENO
+#define STDIN_FILENO 0
+#endif
+
+static void do_server(int argc, char *argv[]);
+static void print_options(char *option);
+static void print_server_options(char *option);
+static void do_client(int argc, char *argv[]);
+static void print_client_options(char *option);
+static void display_cipher(SSL *ssl);
+static void display_session_id(SSL *ssl);
+
+/**
+ * Main entry point. Doesn't do much except works out whether we are a client
+ * or a server.
+ */
+int main(int argc, char *argv[])
+{
+#ifdef WIN32
+ WSADATA wsaData;
+ WORD wVersionRequested = MAKEWORD(2, 2);
+ WSAStartup(wVersionRequested, &wsaData);
+#elif !defined(CONFIG_PLATFORM_SOLARIS)
+ signal(SIGPIPE, SIG_IGN); /* ignore pipe errors */
+#endif
+
+ if (argc == 2 && strcmp(argv[1], "version") == 0)
+ {
+ printf("axssl %s %s\n", ssl_version(), __DATE__);
+ exit(0);
+ }
+
+ if (argc < 2 || (
+ strcmp(argv[1], "s_server") && strcmp(argv[1], "s_client")))
+ print_options(argc > 1 ? argv[1] : "");
+
+ strcmp(argv[1], "s_server") ?
+ do_client(argc, argv) : do_server(argc, argv);
+ return 0;
+}
+
+/**
+ * Implement the SSL server logic.
+ */
+static void do_server(int argc, char *argv[])
+{
+ int i = 2;
+ uint16_t port = 4433;
+ uint32_t options = SSL_DISPLAY_CERTS;
+ int client_fd;
+ SSL_CTX *ssl_ctx;
+ int server_fd, res = 0;
+ socklen_t client_len;
+#ifndef CONFIG_SSL_SKELETON_MODE
+ char *private_key_file = NULL;
+ const char *password = NULL;
+ char **cert;
+ int cert_index = 0;
+ int cert_size = ssl_get_config(SSL_MAX_CERT_CFG_OFFSET);
+#endif
+#ifdef WIN32
+ char yes = 1;
+#else
+ int yes = 1;
+#endif
+ struct sockaddr_in serv_addr;
+ struct sockaddr_in client_addr;
+ int quiet = 0;
+#ifdef CONFIG_SSL_CERT_VERIFICATION
+ int ca_cert_index = 0;
+ int ca_cert_size = ssl_get_config(SSL_MAX_CA_CERT_CFG_OFFSET);
+ char **ca_cert = (char **)calloc(1, sizeof(char *)*ca_cert_size);
+#endif
+ fd_set read_set;
+
+#ifndef CONFIG_SSL_SKELETON_MODE
+ cert = (char **)calloc(1, sizeof(char *)*cert_size);
+#endif
+
+ while (i < argc)
+ {
+ if (strcmp(argv[i], "-accept") == 0)
+ {
+ if (i >= argc-1)
+ {
+ print_server_options(argv[i]);
+ }
+
+ port = atoi(argv[++i]);
+ }
+#ifndef CONFIG_SSL_SKELETON_MODE
+ else if (strcmp(argv[i], "-cert") == 0)
+ {
+ if (i >= argc-1 || cert_index >= cert_size)
+ {
+ print_server_options(argv[i]);
+ }
+
+ cert[cert_index++] = argv[++i];
+ }
+ else if (strcmp(argv[i], "-key") == 0)
+ {
+ if (i >= argc-1)
+ {
+ print_server_options(argv[i]);
+ }
+
+ private_key_file = argv[++i];
+ options |= SSL_NO_DEFAULT_KEY;
+ }
+ else if (strcmp(argv[i], "-pass") == 0)
+ {
+ if (i >= argc-1)
+ {
+ print_server_options(argv[i]);
+ }
+
+ password = argv[++i];
+ }
+#endif
+ else if (strcmp(argv[i], "-quiet") == 0)
+ {
+ quiet = 1;
+ options &= ~SSL_DISPLAY_CERTS;
+ }
+#ifdef CONFIG_SSL_CERT_VERIFICATION
+ else if (strcmp(argv[i], "-verify") == 0)
+ {
+ options |= SSL_CLIENT_AUTHENTICATION;
+ }
+ else if (strcmp(argv[i], "-CAfile") == 0)
+ {
+ if (i >= argc-1 || ca_cert_index >= ca_cert_size)
+ {
+ print_server_options(argv[i]);
+ }
+
+ ca_cert[ca_cert_index++] = argv[++i];
+ }
+#endif
+#ifdef CONFIG_SSL_FULL_MODE
+ else if (strcmp(argv[i], "-debug") == 0)
+ {
+ options |= SSL_DISPLAY_BYTES;
+ }
+ else if (strcmp(argv[i], "-state") == 0)
+ {
+ options |= SSL_DISPLAY_STATES;
+ }
+ else if (strcmp(argv[i], "-show-rsa") == 0)
+ {
+ options |= SSL_DISPLAY_RSA;
+ }
+#endif
+ else /* don't know what this is */
+ {
+ print_server_options(argv[i]);
+ }
+
+ i++;
+ }
+
+ if ((ssl_ctx = ssl_ctx_new(options, SSL_DEFAULT_SVR_SESS)) == NULL)
+ {
+ fprintf(stderr, "Error: Server context is invalid\n");
+ exit(1);
+ }
+
+#ifndef CONFIG_SSL_SKELETON_MODE
+ if (private_key_file)
+ {
+ int obj_type = SSL_OBJ_RSA_KEY;
+
+ /* auto-detect the key type from the file extension */
+ if (strstr(private_key_file, ".p8"))
+ obj_type = SSL_OBJ_PKCS8;
+ else if (strstr(private_key_file, ".p12"))
+ obj_type = SSL_OBJ_PKCS12;
+
+ if (ssl_obj_load(ssl_ctx, obj_type, private_key_file, password))
+ {
+ fprintf(stderr, "Error: Private key '%s' is undefined.\n",
+ private_key_file);
+ exit(1);
+ }
+ }
+
+ for (i = 0; i < cert_index; i++)
+ {
+ if (ssl_obj_load(ssl_ctx, SSL_OBJ_X509_CERT, cert[i], NULL))
+ {
+ printf("Certificate '%s' is undefined.\n", cert[i]);
+ exit(1);
+ }
+ }
+#endif
+
+#ifdef CONFIG_SSL_CERT_VERIFICATION
+ for (i = 0; i < ca_cert_index; i++)
+ {
+ if (ssl_obj_load(ssl_ctx, SSL_OBJ_X509_CACERT, ca_cert[i], NULL))
+ {
+ printf("Certificate '%s' is undefined.\n", ca_cert[i]);
+ exit(1);
+ }
+ }
+
+ free(ca_cert);
+#endif
+#ifndef CONFIG_SSL_SKELETON_MODE
+ free(cert);
+#endif
+
+ /* Create socket for incoming connections */
+ if ((server_fd = socket(AF_INET, SOCK_STREAM, 0)) < 0)
+ {
+ perror("socket");
+ return;
+ }
+
+ setsockopt(server_fd, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(yes));
+
+ /* Construct local address structure */
+ memset(&serv_addr, 0, sizeof(serv_addr)); /* Zero out structure */
+ serv_addr.sin_family = AF_INET; /* Internet address family */
+ serv_addr.sin_addr.s_addr = htonl(INADDR_ANY); /* Any incoming interface */
+ serv_addr.sin_port = htons(port); /* Local port */
+
+ /* Bind to the local address */
+ if (bind(server_fd, (struct sockaddr *) &serv_addr, sizeof(serv_addr)) < 0)
+ {
+ perror("bind");
+ exit(1);
+ }
+
+ if (listen(server_fd, 5) < 0)
+ {
+ perror("listen");
+ exit(1);
+ }
+
+ client_len = sizeof(client_addr);
+
+ /*************************************************************************
+ * This is where the interesting stuff happens. Up until now we've
+ * just been setting up sockets etc. Now we do the SSL handshake.
+ *************************************************************************/
+ for (;;)
+ {
+ SSL *ssl;
+ int reconnected = 0;
+
+ if (!quiet)
+ {
+ printf("ACCEPT\n");
+ TTY_FLUSH();
+ }
+
+ if ((client_fd = accept(server_fd,
+ (struct sockaddr *)&client_addr, &client_len)) < 0)
+ {
+ res = 1;
+ break;
+ }
+
+ ssl = ssl_server_new(ssl_ctx, client_fd);
+
+ /* now read (and display) whatever the client sends us */
+ for (;;)
+ {
+ /* allow parallel reading of client and standard input */
+ FD_ZERO(&read_set);
+ FD_SET(client_fd, &read_set);
+
+#ifndef WIN32
+ /* win32 doesn't like mixing up stdin and sockets */
+ if (isatty(STDIN_FILENO))/* but only if we are in an active shell */
+ {
+ FD_SET(STDIN_FILENO, &read_set);
+ }
+
+ if ((res = select(client_fd+1, &read_set, NULL, NULL, NULL)) > 0)
+ {
+ uint8_t buf[1024];
+
+ /* read standard input? */
+ if (FD_ISSET(STDIN_FILENO, &read_set))
+ {
+ if (fgets((char *)buf, sizeof(buf), stdin) == NULL)
+ {
+ res = SSL_ERROR_CONN_LOST;
+ }
+ else
+ {
+ /* small hack to check renegotiation */
+ if (buf[0] == 'r' && (buf[1] == '\n' || buf[1] == '\r'))
+ {
+ res = ssl_renegotiate(ssl);
+ }
+ else /* write our ramblings to the client */
+ {
+ res = ssl_write(ssl, buf, strlen((char *)buf)+1);
+ }
+ }
+ }
+ else /* a socket read */
+#endif
+ {
+ /* keep reading until we get something interesting */
+ uint8_t *read_buf;
+
+ if ((res = ssl_read(ssl, &read_buf)) == SSL_OK)
+ {
+ /* are we in the middle of doing a handshake? */
+ if (ssl_handshake_status(ssl) != SSL_OK)
+ {
+ reconnected = 0;
+ }
+ else if (!reconnected)
+ {
+ /* we are connected/reconnected */
+ if (!quiet)
+ {
+ display_session_id(ssl);
+ display_cipher(ssl);
+ }
+
+ reconnected = 1;
+ }
+ }
+
+ if (res > SSL_OK) /* display our interesting output */
+ {
+ printf("%s", read_buf);
+ TTY_FLUSH();
+ }
+ else if (res < SSL_OK && !quiet)
+ {
+ ssl_display_error(res);
+ }
+ }
+#ifndef WIN32
+ }
+#endif
+
+ if (res < SSL_OK)
+ {
+ if (!quiet)
+ {
+ printf("CONNECTION CLOSED\n");
+ TTY_FLUSH();
+ }
+
+ break;
+ }
+ }
+
+ /* client was disconnected or the handshake failed. */
+ ssl_free(ssl);
+ SOCKET_CLOSE(client_fd);
+ }
+
+ ssl_ctx_free(ssl_ctx);
+}
+
+/**
+ * Implement the SSL client logic.
+ */
+static void do_client(int argc, char *argv[])
+{
+#ifdef CONFIG_SSL_ENABLE_CLIENT
+ int res, i = 2;
+ uint16_t port = 4433;
+ uint32_t options = SSL_SERVER_VERIFY_LATER|SSL_DISPLAY_CERTS;
+ int client_fd;
+ char *private_key_file = NULL;
+ struct sockaddr_in client_addr;
+ struct hostent *hostent;
+ int reconnect = 0;
+ uint32_t sin_addr;
+ SSL_CTX *ssl_ctx;
+ SSL *ssl = NULL;
+ int quiet = 0;
+ int cert_index = 0, ca_cert_index = 0;
+ int cert_size, ca_cert_size;
+ char **ca_cert, **cert;
+ uint8_t session_id[SSL_SESSION_ID_SIZE];
+ fd_set read_set;
+ const char *password = NULL;
+
+ FD_ZERO(&read_set);
+ sin_addr = inet_addr("127.0.0.1");
+ cert_size = ssl_get_config(SSL_MAX_CERT_CFG_OFFSET);
+ ca_cert_size = ssl_get_config(SSL_MAX_CA_CERT_CFG_OFFSET);
+ ca_cert = (char **)calloc(1, sizeof(char *)*ca_cert_size);
+ cert = (char **)calloc(1, sizeof(char *)*cert_size);
+
+ while (i < argc)
+ {
+ if (strcmp(argv[i], "-connect") == 0)
+ {
+ char *host, *ptr;
+
+ if (i >= argc-1)
+ {
+ print_client_options(argv[i]);
+ }
+
+ host = argv[++i];
+ if ((ptr = strchr(host, ':')) == NULL)
+ {
+ print_client_options(argv[i]);
+ }
+
+ *ptr++ = 0;
+ port = atoi(ptr);
+ hostent = gethostbyname(host);
+
+ if (hostent == NULL)
+ {
+ print_client_options(argv[i]);
+ }
+
+ sin_addr = *((uint32_t **)hostent->h_addr_list)[0];
+ }
+ else if (strcmp(argv[i], "-cert") == 0)
+ {
+ if (i >= argc-1 || cert_index >= cert_size)
+ {
+ print_client_options(argv[i]);
+ }
+
+ cert[cert_index++] = argv[++i];
+ }
+ else if (strcmp(argv[i], "-key") == 0)
+ {
+ if (i >= argc-1)
+ {
+ print_client_options(argv[i]);
+ }
+
+ private_key_file = argv[++i];
+ options |= SSL_NO_DEFAULT_KEY;
+ }
+ else if (strcmp(argv[i], "-CAfile") == 0)
+ {
+ if (i >= argc-1 || ca_cert_index >= ca_cert_size)
+ {
+ print_client_options(argv[i]);
+ }
+
+ ca_cert[ca_cert_index++] = argv[++i];
+ }
+ else if (strcmp(argv[i], "-verify") == 0)
+ {
+ options &= ~SSL_SERVER_VERIFY_LATER;
+ }
+ else if (strcmp(argv[i], "-reconnect") == 0)
+ {
+ reconnect = 4;
+ }
+ else if (strcmp(argv[i], "-quiet") == 0)
+ {
+ quiet = 1;
+ options &= ~SSL_DISPLAY_CERTS;
+ }
+ else if (strcmp(argv[i], "-pass") == 0)
+ {
+ if (i >= argc-1)
+ {
+ print_client_options(argv[i]);
+ }
+
+ password = argv[++i];
+ }
+#ifdef CONFIG_SSL_FULL_MODE
+ else if (strcmp(argv[i], "-debug") == 0)
+ {
+ options |= SSL_DISPLAY_BYTES;
+ }
+ else if (strcmp(argv[i], "-state") == 0)
+ {
+ options |= SSL_DISPLAY_STATES;
+ }
+ else if (strcmp(argv[i], "-show-rsa") == 0)
+ {
+ options |= SSL_DISPLAY_RSA;
+ }
+#endif
+ else /* don't know what this is */
+ {
+ print_client_options(argv[i]);
+ }
+
+ i++;
+ }
+
+ if ((ssl_ctx = ssl_ctx_new(options, SSL_DEFAULT_CLNT_SESS)) == NULL)
+ {
+ fprintf(stderr, "Error: Client context is invalid\n");
+ exit(1);
+ }
+
+ if (private_key_file)
+ {
+ int obj_type = SSL_OBJ_RSA_KEY;
+
+ /* auto-detect the key type from the file extension */
+ if (strstr(private_key_file, ".p8"))
+ obj_type = SSL_OBJ_PKCS8;
+ else if (strstr(private_key_file, ".p12"))
+ obj_type = SSL_OBJ_PKCS12;
+
+ if (ssl_obj_load(ssl_ctx, obj_type, private_key_file, password))
+ {
+ fprintf(stderr, "Error: Private key '%s' is undefined.\n",
+ private_key_file);
+ exit(1);
+ }
+ }
+
+ for (i = 0; i < cert_index; i++)
+ {
+ if (ssl_obj_load(ssl_ctx, SSL_OBJ_X509_CERT, cert[i], NULL))
+ {
+ printf("Certificate '%s' is undefined.\n", cert[i]);
+ exit(1);
+ }
+ }
+
+ for (i = 0; i < ca_cert_index; i++)
+ {
+ if (ssl_obj_load(ssl_ctx, SSL_OBJ_X509_CACERT, ca_cert[i], NULL))
+ {
+ printf("Certificate '%s' is undefined.\n", ca_cert[i]);
+ exit(1);
+ }
+ }
+
+ free(cert);
+ free(ca_cert);
+
+ /*************************************************************************
+ * This is where the interesting stuff happens. Up until now we've
+ * just been setting up sockets etc. Now we do the SSL handshake.
+ *************************************************************************/
+ client_fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
+ memset(&client_addr, 0, sizeof(client_addr));
+ client_addr.sin_family = AF_INET;
+ client_addr.sin_port = htons(port);
+ client_addr.sin_addr.s_addr = sin_addr;
+
+ if (connect(client_fd, (struct sockaddr *)&client_addr,
+ sizeof(client_addr)) < 0)
+ {
+ perror("connect");
+ exit(1);
+ }
+
+ if (!quiet)
+ {
+ printf("CONNECTED\n");
+ TTY_FLUSH();
+ }
+
+ /* Try session resumption? */
+ if (reconnect)
+ {
+ while (reconnect--)
+ {
+ ssl = ssl_client_new(ssl_ctx, client_fd, session_id,
+ sizeof(session_id));
+ if ((res = ssl_handshake_status(ssl)) != SSL_OK)
+ {
+ if (!quiet)
+ {
+ ssl_display_error(res);
+ }
+
+ ssl_free(ssl);
+ exit(1);
+ }
+
+ display_session_id(ssl);
+ memcpy(session_id, ssl_get_session_id(ssl), SSL_SESSION_ID_SIZE);
+
+ if (reconnect)
+ {
+ ssl_free(ssl);
+ SOCKET_CLOSE(client_fd);
+
+ client_fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
+ connect(client_fd, (struct sockaddr *)&client_addr,
+ sizeof(client_addr));
+ }
+ }
+ }
+ else
+ {
+ ssl = ssl_client_new(ssl_ctx, client_fd, NULL, 0);
+ }
+
+ /* check the return status */
+ if ((res = ssl_handshake_status(ssl)) != SSL_OK)
+ {
+ if (!quiet)
+ {
+ ssl_display_error(res);
+ }
+
+ exit(1);
+ }
+
+ if (!quiet)
+ {
+ const char *common_name = ssl_get_cert_dn(ssl,
+ SSL_X509_CERT_COMMON_NAME);
+ if (common_name)
+ {
+ printf("Common Name:\t\t\t%s\n", common_name);
+ }
+
+ display_session_id(ssl);
+ display_cipher(ssl);
+ }
+
+ for (;;)
+ {
+ uint8_t buf[1024];
+ res = SSL_OK;
+
+ /* allow parallel reading of server and standard input */
+ FD_SET(client_fd, &read_set);
+#ifndef WIN32
+ /* win32 doesn't like mixing up stdin and sockets */
+ FD_SET(STDIN_FILENO, &read_set);
+
+ if ((res = select(client_fd+1, &read_set, NULL, NULL, NULL)) > 0)
+ {
+ /* read standard input? */
+ if (FD_ISSET(STDIN_FILENO, &read_set))
+#endif
+ {
+ if (fgets((char *)buf, sizeof(buf), stdin) == NULL)
+ {
+ /* bomb out of here */
+ ssl_free(ssl);
+ break;
+ }
+ else
+ {
+ /* small hack to check renegotiation */
+ if (buf[0] == 'R' && (buf[1] == '\n' || buf[1] == '\r'))
+ {
+ res = ssl_renegotiate(ssl);
+ }
+ else
+ {
+ res = ssl_write(ssl, buf, strlen((char *)buf)+1);
+ }
+ }
+ }
+#ifndef WIN32
+ else /* a socket read */
+ {
+ uint8_t *read_buf;
+
+ res = ssl_read(ssl, &read_buf);
+
+ if (res > 0) /* display our interesting output */
+ {
+ printf("%s", read_buf);
+ TTY_FLUSH();
+ }
+ }
+ }
+#endif
+
+ if (res < 0)
+ {
+ if (!quiet)
+ {
+ ssl_display_error(res);
+ }
+
+ break; /* get outta here */
+ }
+ }
+
+ ssl_ctx_free(ssl_ctx);
+ SOCKET_CLOSE(client_fd);
+#else
+ print_client_options(argv[1]);
+#endif
+}
+
+/**
+ * We've had some sort of command-line error. Print out the basic options.
+ */
+static void print_options(char *option)
+{
+ printf("axssl: Error: '%s' is an invalid command.\n", option);
+ printf("usage: axssl [s_server|s_client|version] [args ...]\n");
+ exit(1);
+}
+
+/**
+ * We've had some sort of command-line error. Print out the server options.
+ */
+static void print_server_options(char *option)
+{
+#ifndef CONFIG_SSL_SKELETON_MODE
+ int cert_size = ssl_get_config(SSL_MAX_CERT_CFG_OFFSET);
+#endif
+#ifdef CONFIG_SSL_CERT_VERIFICATION
+ int ca_cert_size = ssl_get_config(SSL_MAX_CA_CERT_CFG_OFFSET);
+#endif
+
+ printf("unknown option %s\n", option);
+ printf("usage: s_server [args ...]\n");
+ printf(" -accept arg\t- port to accept on (default is 4433)\n");
+#ifndef CONFIG_SSL_SKELETON_MODE
+ printf(" -cert arg\t- certificate file to add (in addition to default)"
+ " to chain -\n"
+ "\t\t Can repeat up to %d times\n", cert_size);
+ printf(" -key arg\t- Private key file to use\n");
+ printf(" -pass\t\t- private key file pass phrase source\n");
+#endif
+ printf(" -quiet\t\t- No server output\n");
+#ifdef CONFIG_SSL_CERT_VERIFICATION
+ printf(" -verify\t- turn on peer certificate verification\n");
+ printf(" -CAfile arg\t- Certificate authority\n");
+ printf("\t\t Can repeat up to %d times\n", ca_cert_size);
+#endif
+#ifdef CONFIG_SSL_FULL_MODE
+ printf(" -debug\t\t- Print more output\n");
+ printf(" -state\t\t- Show state messages\n");
+ printf(" -show-rsa\t- Show RSA state\n");
+#endif
+ exit(1);
+}
+
+/**
+ * We've had some sort of command-line error. Print out the client options.
+ */
+static void print_client_options(char *option)
+{
+#ifdef CONFIG_SSL_ENABLE_CLIENT
+ int cert_size = ssl_get_config(SSL_MAX_CERT_CFG_OFFSET);
+ int ca_cert_size = ssl_get_config(SSL_MAX_CA_CERT_CFG_OFFSET);
+#endif
+
+ printf("unknown option %s\n", option);
+#ifdef CONFIG_SSL_ENABLE_CLIENT
+ printf("usage: s_client [args ...]\n");
+ printf(" -connect host:port - who to connect to (default "
+ "is localhost:4433)\n");
+ printf(" -verify\t- turn on peer certificate verification\n");
+ printf(" -cert arg\t- certificate file to use\n");
+ printf("\t\t Can repeat up to %d times\n", cert_size);
+ printf(" -key arg\t- Private key file to use\n");
+ printf(" -CAfile arg\t- Certificate authority\n");
+ printf("\t\t Can repeat up to %d times\n", ca_cert_size);
+ printf(" -quiet\t\t- No client output\n");
+ printf(" -reconnect\t- Drop and re-make the connection "
+ "with the same Session-ID\n");
+ printf(" -pass\t\t- private key file pass phrase source\n");
+#ifdef CONFIG_SSL_FULL_MODE
+ printf(" -debug\t\t- Print more output\n");
+ printf(" -state\t\t- Show state messages\n");
+ printf(" -show-rsa\t- Show RSA state\n");
+#endif
+#else
+ printf("Change configuration to allow this feature\n");
+#endif
+ exit(1);
+}
+
+/**
+ * Display what cipher we are using
+ */
+static void display_cipher(SSL *ssl)
+{
+ printf("CIPHER is ");
+ switch (ssl_get_cipher_id(ssl))
+ {
+ case SSL_AES128_SHA:
+ printf("AES128-SHA");
+ break;
+
+ case SSL_AES256_SHA:
+ printf("AES256-SHA");
+ break;
+
+ case SSL_RC4_128_SHA:
+ printf("RC4-SHA");
+ break;
+
+ case SSL_RC4_128_MD5:
+ printf("RC4-MD5");
+ break;
+
+ default:
+ printf("Unknown - %d", ssl_get_cipher_id(ssl));
+ break;
+ }
+
+ printf("\n");
+ TTY_FLUSH();
+}
+
+/**
+ * Display what session id we have.
+ */
+static void display_session_id(SSL *ssl)
+{
+ int i;
+ const uint8_t *session_id = ssl_get_session_id(ssl);
+ int sess_id_size = ssl_get_session_id_size(ssl);
+
+ if (sess_id_size > 0)
+ {
+ printf("-----BEGIN SSL SESSION PARAMETERS-----\n");
+ for (i = 0; i < sess_id_size; i++)
+ {
+ printf("%02x", session_id[i]);
+ }
+
+ printf("\n-----END SSL SESSION PARAMETERS-----\n");
+ TTY_FLUSH();
+ }
+}
projects / project / luci.git / blobdiff