2 /* demos/bio/saccept.c */
5 * A minimal program to serve an SSL connection.
8 * host is the interface IP to use. If any interface, use *:port
9 * The default it *:4433
11 * cc -I../../include saccept.c -L../.. -lssl -lcrypto -ldl
16 #include <openssl/err.h>
17 #include <openssl/ssl.h>
19 #define CERT_FILE "server.pem"
45 signal(SIGINT, close_up);
47 SSL_load_error_strings();
54 /* Add ciphers and message digests */
55 OpenSSL_add_ssl_algorithms();
57 ctx = SSL_CTX_new(SSLv23_server_method());
58 if (!SSL_CTX_use_certificate_file(ctx, CERT_FILE, SSL_FILETYPE_PEM))
60 if (!SSL_CTX_use_PrivateKey_file(ctx, CERT_FILE, SSL_FILETYPE_PEM))
62 if (!SSL_CTX_check_private_key(ctx))
65 /* Setup server side SSL bio */
67 ssl_bio = BIO_new_ssl(ctx, 0);
69 if ((in = BIO_new_accept(port)) == NULL)
73 * This means that when a new connection is accepted on 'in', The ssl_bio
74 * will be 'duplicated' and have the new socket BIO push into it.
75 * Basically it means the SSL BIO will be automatically setup
77 BIO_set_accept_bios(in, ssl_bio);
81 * The first call will setup the accept socket, and the second will get a
82 * socket. In this loop, the first actual accept will occur in the
83 * BIO_read() function.
86 if (BIO_do_accept(in) <= 0)
90 i = BIO_read(in, buf, 512);
93 * If we have finished, remove the underlying BIO stack so the
94 * next time we call any function for this BIO, it will attempt
104 fwrite(buf, 1, i, stdout);
111 ERR_print_errors_fp(stderr);