2 /* demos/bio/saccept.c */
4 /* A minimal program to server an SSL connection.
7 * host is the interface IP to use. If any interface, use *:port
8 * The default it *:4433
10 * cc -I../../include saccept.c -L../.. -lssl -lcrypto
15 #include <openssl/err.h>
16 #include <openssl/ssl.h>
18 #define CERT_FILE "server.pem"
44 signal(SIGINT,close_up);
46 SSL_load_error_strings();
53 /* Add ciphers and message digests */
54 OpenSSL_add_ssl_algorithms();
56 ctx=SSL_CTX_new(SSLv23_server_method());
57 if (!SSL_CTX_use_certificate_file(ctx,CERT_FILE,SSL_FILETYPE_PEM))
59 if (!SSL_CTX_use_PrivateKey_file(ctx,CERT_FILE,SSL_FILETYPE_PEM))
61 if (!SSL_CTX_check_private_key(ctx))
64 /* Setup server side SSL bio */
66 ssl_bio=BIO_new_ssl(ctx,0);
68 if ((in=BIO_new_accept(port)) == NULL) goto err;
70 /* This means that when a new connection is acceptede on 'in',
71 * The ssl_bio will be 'dupilcated' and have the new socket
72 * BIO push into it. Basically it means the SSL BIO will be
73 * automatically setup */
74 BIO_set_accept_bios(in,ssl_bio);
77 /* The first call will setup the accept socket, and the second
78 * will get a socket. In this loop, the first actual accept
79 * will occur in the BIO_read() function. */
81 if (BIO_do_accept(in) <= 0) goto err;
85 i=BIO_read(in,buf,512);
88 /* If we have finished, remove the underlying
89 * BIO stack so the next time we call any function
90 * for this BIO, it will attempt to do an
98 fwrite(buf,1,i,stdout);
106 ERR_print_errors_fp(stderr);
108 if (in != NULL) BIO_free(in);