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86db958835
Update makefiles so that consistent patterns are used. Object files are compiled from source using an implicit rule (but using our CFLAGS); for linking, we give an explicit rule. Ensure that "make test" works in each subdirectory (even if it does not actually run any applications). The top-level demo makefile now works. The makefiles are not make-agnostic. e.g. they use the variable $(RM) in "clean" recipes, which is defined in gnu-make but may not be defined in others. Part of #17806 Testing: $ cd demo $ make test Reviewed-by: Paul Dale <pauli@openssl.org> Reviewed-by: Tomas Mraz <tomas@openssl.org> (Merged from https://github.com/openssl/openssl/pull/22698)
128 lines
3.0 KiB
C
128 lines
3.0 KiB
C
/*
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* Copyright 1998-2020 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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/*-
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* A minimal program to do SSL to a passed host and port.
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* It is actually using non-blocking IO but in a very simple manner
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* sconnect host:port - it does a 'GET / HTTP/1.0'
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*
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* cc -I../../include sconnect.c -L../.. -lssl -lcrypto
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <errno.h>
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#include <openssl/err.h>
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#include <openssl/ssl.h>
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#define HOSTPORT "localhost:4433"
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#define CAFILE "root.pem"
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int main(int argc, char *argv[])
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{
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const char *hostport = HOSTPORT;
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const char *CAfile = CAFILE;
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const char *hostname;
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BIO *out = NULL;
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char buf[1024 * 10], *p;
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SSL_CTX *ssl_ctx = NULL;
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SSL *ssl;
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BIO *ssl_bio;
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int i, len, off, ret = EXIT_FAILURE;
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if (argc > 1)
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hostport = argv[1];
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if (argc > 2)
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CAfile = argv[2];
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#ifdef WATT32
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dbug_init();
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sock_init();
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#endif
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ssl_ctx = SSL_CTX_new(TLS_client_method());
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/* Enable trust chain verification */
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SSL_CTX_set_verify(ssl_ctx, SSL_VERIFY_PEER, NULL);
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SSL_CTX_load_verify_locations(ssl_ctx, CAfile, NULL);
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/* Lets make a SSL structure */
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ssl = SSL_new(ssl_ctx);
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SSL_set_connect_state(ssl);
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/* Use it inside an SSL BIO */
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ssl_bio = BIO_new(BIO_f_ssl());
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BIO_set_ssl(ssl_bio, ssl, BIO_CLOSE);
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/* Lets use a connect BIO under the SSL BIO */
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out = BIO_new(BIO_s_connect());
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BIO_set_conn_hostname(out, hostport);
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/* The BIO has parsed the host:port and even IPv6 literals in [] */
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hostname = BIO_get_conn_hostname(out);
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if (!hostname || SSL_set1_host(ssl, hostname) <= 0)
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goto err;
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BIO_set_nbio(out, 1);
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out = BIO_push(ssl_bio, out);
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p = "GET / HTTP/1.0\r\n\r\n";
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len = strlen(p);
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off = 0;
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for (;;) {
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i = BIO_write(out, &(p[off]), len);
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if (i <= 0) {
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if (BIO_should_retry(out)) {
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fprintf(stderr, "write DELAY\n");
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sleep(1);
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continue;
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} else {
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goto err;
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}
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}
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off += i;
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len -= i;
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if (len <= 0)
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break;
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}
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for (;;) {
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i = BIO_read(out, buf, sizeof(buf));
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if (i == 0)
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break;
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if (i < 0) {
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if (BIO_should_retry(out)) {
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fprintf(stderr, "read DELAY\n");
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sleep(1);
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continue;
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}
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goto err;
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}
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fwrite(buf, 1, i, stdout);
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}
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ret = EXIT_SUCCESS;
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goto done;
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err:
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if (ERR_peek_error() == 0) { /* system call error */
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fprintf(stderr, "errno=%d ", errno);
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perror("error");
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} else {
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ERR_print_errors_fp(stderr);
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}
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done:
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BIO_free_all(out);
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SSL_CTX_free(ssl_ctx);
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return ret;
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}
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