-/* if (ret > 0) */
- ret=SSL_read(ssl,out,outl);
-
- switch (SSL_get_error(ssl,ret))
- {
- case SSL_ERROR_NONE:
- if (ret <= 0) break;
- if (sb->renegotiate_count > 0)
- {
- sb->byte_count+=ret;
- if (sb->byte_count > sb->renegotiate_count)
- {
- sb->byte_count=0;
- sb->num_renegotiates++;
- SSL_renegotiate(ssl);
- r=1;
- }
- }
- if ((sb->renegotiate_timeout > 0) && (!r))
- {
- unsigned long tm;
-
- tm=(unsigned long)time(NULL);
- if (tm > sb->last_time+sb->renegotiate_timeout)
- {
- sb->last_time=tm;
- sb->num_renegotiates++;
- SSL_renegotiate(ssl);
- }
- }
-
- break;
- case SSL_ERROR_WANT_READ:
- BIO_set_retry_read(b);
- break;
- case SSL_ERROR_WANT_WRITE:
- BIO_set_retry_write(b);
- break;
- case SSL_ERROR_WANT_X509_LOOKUP:
- BIO_set_retry_special(b);
- retry_reason=BIO_RR_SSL_X509_LOOKUP;
- break;
- case SSL_ERROR_WANT_CONNECT:
- BIO_set_retry_special(b);
- retry_reason=BIO_RR_CONNECT;
- break;
- case SSL_ERROR_SYSCALL:
- case SSL_ERROR_SSL:
- case SSL_ERROR_ZERO_RETURN:
- default:
- break;
- }
-
- b->retry_reason=retry_reason;
- return(ret);
- }
-
-static int ssl_write(b,out,outl)
-BIO *b;
-char *out;
-int outl;
- {
- int ret,r=0;
- int retry_reason=0;
- SSL *ssl;
- BIO_SSL *bs;
-
- if (out == NULL) return(0);
- bs=(BIO_SSL *)b->ptr;
- ssl=bs->ssl;
-
- BIO_clear_retry_flags(b);
-
-/* ret=SSL_do_handshake(ssl);
- if (ret > 0) */
- ret=SSL_write(ssl,out,outl);
-
- switch (SSL_get_error(ssl,ret))
- {
- case SSL_ERROR_NONE:
- if (ret <= 0) break;
- if (bs->renegotiate_count > 0)
- {
- bs->byte_count+=ret;
- if (bs->byte_count > bs->renegotiate_count)
- {
- bs->byte_count=0;
- bs->num_renegotiates++;
- SSL_renegotiate(ssl);
- r=1;
- }
- }
- if ((bs->renegotiate_timeout > 0) && (!r))
- {
- unsigned long tm;
-
- tm=(unsigned long)time(NULL);
- if (tm > bs->last_time+bs->renegotiate_timeout)
- {
- bs->last_time=tm;
- bs->num_renegotiates++;
- SSL_renegotiate(ssl);
- }
- }
- break;
- case SSL_ERROR_WANT_WRITE:
- BIO_set_retry_write(b);
- break;
- case SSL_ERROR_WANT_READ:
- BIO_set_retry_read(b);
- break;
- case SSL_ERROR_WANT_X509_LOOKUP:
- BIO_set_retry_special(b);
- retry_reason=BIO_RR_SSL_X509_LOOKUP;
- break;
- case SSL_ERROR_WANT_CONNECT:
- BIO_set_retry_special(b);
- retry_reason=BIO_RR_CONNECT;
- case SSL_ERROR_SYSCALL:
- case SSL_ERROR_SSL:
- default:
- break;
- }
-
- b->retry_reason=retry_reason;
- return(ret);
- }
-
-static long ssl_ctrl(b,cmd,num,ptr)
-BIO *b;
-int cmd;
-long num;
-char *ptr;
- {
- SSL **sslp,*ssl;
- BIO_SSL *bs;
- BIO *dbio,*bio;
- long ret=1;
-
- bs=(BIO_SSL *)b->ptr;
- ssl=bs->ssl;
- if ((ssl == NULL) && (cmd != BIO_C_SET_SSL))
- return(0);
- switch (cmd)
- {
- case BIO_CTRL_RESET:
- SSL_shutdown(ssl);
-
- if (ssl->handshake_func == ssl->method->ssl_connect)
- SSL_set_connect_state(ssl);
- else if (ssl->handshake_func == ssl->method->ssl_accept)
- SSL_set_accept_state(ssl);
-
- SSL_clear(ssl);
-
- if (b->next_bio != NULL)
- ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
- else if (ssl->rbio != NULL)
- ret=BIO_ctrl(ssl->rbio,cmd,num,ptr);
- else
- ret=1;
- break;
- case BIO_CTRL_INFO:
- ret=0;
- break;
- case BIO_C_SSL_MODE:
- if (num) /* client mode */
- SSL_set_connect_state(ssl);
- else
- SSL_set_accept_state(ssl);
- break;
- case BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT:
- ret=bs->renegotiate_timeout;
- if (num < 60) num=5;
- bs->renegotiate_timeout=(unsigned long)num;
- bs->last_time=(unsigned long)time(NULL);
- break;
- case BIO_C_SET_SSL_RENEGOTIATE_BYTES:
- ret=bs->renegotiate_count;
- if ((long)num >=512)
- bs->renegotiate_count=(unsigned long)num;
- break;
- case BIO_C_GET_SSL_NUM_RENEGOTIATES:
- ret=bs->num_renegotiates;
- break;
- case BIO_C_SET_SSL:
- if (ssl != NULL)
- ssl_free(b);
- b->shutdown=(int)num;
- ssl=(SSL *)ptr;
- ((BIO_SSL *)b->ptr)->ssl=ssl;
- bio=SSL_get_rbio(ssl);
- if (bio != NULL)
- {
- if (b->next_bio != NULL)
- BIO_push(bio,b->next_bio);
- b->next_bio=bio;
- CRYPTO_add(&bio->references,1,CRYPTO_LOCK_BIO);
- }
- b->init=1;
- break;
- case BIO_C_GET_SSL:
- if (ptr != NULL)
- {
- sslp=(SSL **)ptr;
- *sslp=ssl;
- }
- else
- ret=0;
- break;
- case BIO_CTRL_GET_CLOSE:
- ret=b->shutdown;
- break;
- case BIO_CTRL_SET_CLOSE:
- b->shutdown=(int)num;
- break;
- case BIO_CTRL_WPENDING:
- ret=BIO_ctrl(ssl->wbio,cmd,num,ptr);
- break;
- case BIO_CTRL_PENDING:
- ret=SSL_pending(ssl);
- if (ret == 0)
- ret=BIO_pending(ssl->rbio);
- break;
- case BIO_CTRL_FLUSH:
- BIO_clear_retry_flags(b);
- ret=BIO_ctrl(ssl->wbio,cmd,num,ptr);
- BIO_copy_next_retry(b);
- break;
- case BIO_CTRL_PUSH:
- if ((b->next_bio != NULL) && (b->next_bio != ssl->rbio))
- {
- SSL_set_bio(ssl,b->next_bio,b->next_bio);
- CRYPTO_add(&b->next_bio->references,1,CRYPTO_LOCK_BIO);
- }
- break;
- case BIO_CTRL_POP:
- /* ugly bit of a hack */
- if (ssl->rbio != ssl->wbio) /* we are in trouble :-( */
- {
- BIO_free_all(ssl->wbio);
- }
- ssl->wbio=NULL;
- ssl->rbio=NULL;
- break;
- case BIO_C_DO_STATE_MACHINE:
- BIO_clear_retry_flags(b);
-
- b->retry_reason=0;
- ret=(int)SSL_do_handshake(ssl);
-
- switch (SSL_get_error(ssl,(int)ret))
- {
- case SSL_ERROR_WANT_READ:
- BIO_set_flags(b,
- BIO_FLAGS_READ|BIO_FLAGS_SHOULD_RETRY);
- break;
- case SSL_ERROR_WANT_WRITE:
- BIO_set_flags(b,
- BIO_FLAGS_WRITE|BIO_FLAGS_SHOULD_RETRY);
- break;
- case SSL_ERROR_WANT_CONNECT:
- BIO_set_flags(b,
- BIO_FLAGS_IO_SPECIAL|BIO_FLAGS_SHOULD_RETRY);
- b->retry_reason=b->next_bio->retry_reason;
- break;
- default:
- break;
- }
- break;
- case BIO_CTRL_DUP:
- dbio=(BIO *)ptr;
- if (((BIO_SSL *)dbio->ptr)->ssl != NULL)
- SSL_free(((BIO_SSL *)dbio->ptr)->ssl);
- ((BIO_SSL *)dbio->ptr)->ssl=SSL_dup(ssl);
- ((BIO_SSL *)dbio->ptr)->renegotiate_count=
- ((BIO_SSL *)b->ptr)->renegotiate_count;
- ((BIO_SSL *)dbio->ptr)->byte_count=
- ((BIO_SSL *)b->ptr)->byte_count;
- ((BIO_SSL *)dbio->ptr)->renegotiate_timeout=
- ((BIO_SSL *)b->ptr)->renegotiate_timeout;
- ((BIO_SSL *)dbio->ptr)->last_time=
- ((BIO_SSL *)b->ptr)->last_time;
- ret=(((BIO_SSL *)dbio->ptr)->ssl != NULL);
- break;
- case BIO_C_GET_FD:
- ret=BIO_ctrl(ssl->rbio,cmd,num,ptr);
- break;
- case BIO_CTRL_SET_CALLBACK:
- SSL_set_info_callback(ssl,(void (*)())ptr);
- break;
- case BIO_CTRL_GET_CALLBACK:
- {
- void (**fptr)();
-
- fptr=(void (**)())ptr;
- *fptr=SSL_get_info_callback(ssl);
- }
- break;
- default:
- ret=BIO_ctrl(ssl->rbio,cmd,num,ptr);
- break;
- }
- return(ret);
- }
-
-static int ssl_puts(bp,str)
-BIO *bp;
-char *str;
- {
- int n,ret;
-
- n=strlen(str);
- ret=BIO_write(bp,str,n);
- return(ret);
- }
-
-BIO *BIO_new_buffer_ssl_connect(ctx)
-SSL_CTX *ctx;
- {
- BIO *ret=NULL,*buf=NULL,*ssl=NULL;
-
- if ((buf=BIO_new(BIO_f_buffer())) == NULL)
- return(NULL);
- if ((ssl=BIO_new_ssl_connect(ctx)) == NULL)
- goto err;
- if ((ret=BIO_push(buf,ssl)) == NULL)
- goto err;
- return(ret);
-err:
- if (buf != NULL) BIO_free(buf);
- if (ssl != NULL) BIO_free(ssl);
- return(NULL);
- }
-
-BIO *BIO_new_ssl_connect(ctx)
-SSL_CTX *ctx;
- {
- BIO *ret=NULL,*con=NULL,*ssl=NULL;
-
- if ((con=BIO_new(BIO_s_connect())) == NULL)
- return(NULL);
- if ((ssl=BIO_new_ssl(ctx,1)) == NULL)
- goto err;
- if ((ret=BIO_push(ssl,con)) == NULL)
- goto err;
- return(ret);
-err:
- if (con != NULL) BIO_free(con);
- if (ret != NULL) BIO_free(ret);
- return(NULL);
- }
-
-BIO *BIO_new_ssl(ctx,client)
-SSL_CTX *ctx;
-int client;
- {
- BIO *ret;
- SSL *ssl;
-
- if ((ret=BIO_new(BIO_f_ssl())) == NULL)
- return(NULL);
- if ((ssl=SSL_new(ctx)) == NULL)
- {
- BIO_free(ret);
- return(NULL);
- }
- if (client)
- SSL_set_connect_state(ssl);
- else
- SSL_set_accept_state(ssl);
-
- BIO_set_ssl(ret,ssl,BIO_CLOSE);
- return(ret);
- }
-
-int BIO_ssl_copy_session_id(t,f)
-BIO *t,*f;
- {
- t=BIO_find_type(t,BIO_TYPE_SSL);
- f=BIO_find_type(f,BIO_TYPE_SSL);
- if ((t == NULL) || (f == NULL))
- return(0);
- if ( (((BIO_SSL *)t->ptr)->ssl == NULL) ||
- (((BIO_SSL *)f->ptr)->ssl == NULL))
- return(0);
- SSL_copy_session_id(((BIO_SSL *)t->ptr)->ssl,((BIO_SSL *)f->ptr)->ssl);
- return(1);
- }
-
-void BIO_ssl_shutdown(b)
-BIO *b;
- {
- SSL *s;
-
- while (b != NULL)
- {
- if (b->method->type == BIO_TYPE_SSL)
- {
- s=((BIO_SSL *)b->ptr)->ssl;
- SSL_shutdown(s);
- break;
- }
- b=b->next_bio;
- }
- }