118 lines
2.5 KiB
C
118 lines
2.5 KiB
C
/* NOCW */
|
|
/* demos/bio/saccept.c */
|
|
|
|
/*-
|
|
* A minimal program to server an SSL connection.
|
|
* It uses blocking.
|
|
* saccept host:port
|
|
* host is the interface IP to use. If any interface, use *:port
|
|
* The default it *:4433
|
|
*
|
|
* cc -I../../include saccept.c -L../.. -lssl -lcrypto
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <signal.h>
|
|
#include <openssl/err.h>
|
|
#include <openssl/ssl.h>
|
|
|
|
#define CERT_FILE "server.pem"
|
|
|
|
BIO *in = NULL;
|
|
|
|
void close_up()
|
|
{
|
|
if (in != NULL)
|
|
BIO_free(in);
|
|
}
|
|
|
|
int main(argc, argv)
|
|
int argc;
|
|
char *argv[];
|
|
{
|
|
char *port = NULL;
|
|
BIO *ssl_bio, *tmp;
|
|
SSL_CTX *ctx;
|
|
SSL *ssl;
|
|
char buf[512];
|
|
int ret = 1, i;
|
|
|
|
if (argc <= 1)
|
|
port = "*:4433";
|
|
else
|
|
port = argv[1];
|
|
|
|
signal(SIGINT, close_up);
|
|
|
|
SSL_load_error_strings();
|
|
|
|
#ifdef WATT32
|
|
dbug_init();
|
|
sock_init();
|
|
#endif
|
|
|
|
/* Add ciphers and message digests */
|
|
OpenSSL_add_ssl_algorithms();
|
|
|
|
ctx = SSL_CTX_new(SSLv23_server_method());
|
|
if (!SSL_CTX_use_certificate_file(ctx, CERT_FILE, SSL_FILETYPE_PEM))
|
|
goto err;
|
|
if (!SSL_CTX_use_PrivateKey_file(ctx, CERT_FILE, SSL_FILETYPE_PEM))
|
|
goto err;
|
|
if (!SSL_CTX_check_private_key(ctx))
|
|
goto err;
|
|
|
|
/* Setup server side SSL bio */
|
|
ssl = SSL_new(ctx);
|
|
ssl_bio = BIO_new_ssl(ctx, 0);
|
|
|
|
if ((in = BIO_new_accept(port)) == NULL)
|
|
goto err;
|
|
|
|
/*
|
|
* This means that when a new connection is acceptede on 'in', The
|
|
* ssl_bio will be 'dupilcated' and have the new socket BIO push into it.
|
|
* Basically it means the SSL BIO will be automatically setup
|
|
*/
|
|
BIO_set_accept_bios(in, ssl_bio);
|
|
|
|
again:
|
|
/*
|
|
* The first call will setup the accept socket, and the second will get a
|
|
* socket. In this loop, the first actual accept will occur in the
|
|
* BIO_read() function.
|
|
*/
|
|
|
|
if (BIO_do_accept(in) <= 0)
|
|
goto err;
|
|
|
|
for (;;) {
|
|
i = BIO_read(in, buf, 512);
|
|
if (i == 0) {
|
|
/*
|
|
* If we have finished, remove the underlying BIO stack so the
|
|
* next time we call any function for this BIO, it will attempt
|
|
* to do an accept
|
|
*/
|
|
printf("Done\n");
|
|
tmp = BIO_pop(in);
|
|
BIO_free_all(tmp);
|
|
goto again;
|
|
}
|
|
if (i < 0)
|
|
goto err;
|
|
fwrite(buf, 1, i, stdout);
|
|
fflush(stdout);
|
|
}
|
|
|
|
ret = 0;
|
|
err:
|
|
if (ret) {
|
|
ERR_print_errors_fp(stderr);
|
|
}
|
|
if (in != NULL)
|
|
BIO_free(in);
|
|
exit(ret);
|
|
return (!ret);
|
|
}
|