diff options
Diffstat (limited to 'drivers/builtin_openssl/crypto/bio/bss_fd.c')
| -rw-r--r-- | drivers/builtin_openssl/crypto/bio/bss_fd.c | 319 |
1 files changed, 0 insertions, 319 deletions
diff --git a/drivers/builtin_openssl/crypto/bio/bss_fd.c b/drivers/builtin_openssl/crypto/bio/bss_fd.c deleted file mode 100644 index d1bf85aae1..0000000000 --- a/drivers/builtin_openssl/crypto/bio/bss_fd.c +++ /dev/null @@ -1,319 +0,0 @@ -/* crypto/bio/bss_fd.c */ -/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) - * All rights reserved. - * - * This package is an SSL implementation written - * by Eric Young (eay@cryptsoft.com). - * The implementation was written so as to conform with Netscapes SSL. - * - * This library is free for commercial and non-commercial use as long as - * the following conditions are aheared to. The following conditions - * apply to all code found in this distribution, be it the RC4, RSA, - * lhash, DES, etc., code; not just the SSL code. The SSL documentation - * included with this distribution is covered by the same copyright terms - * except that the holder is Tim Hudson (tjh@cryptsoft.com). - * - * Copyright remains Eric Young's, and as such any Copyright notices in - * the code are not to be removed. - * If this package is used in a product, Eric Young should be given attribution - * as the author of the parts of the library used. - * This can be in the form of a textual message at program startup or - * in documentation (online or textual) provided with the package. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * "This product includes cryptographic software written by - * Eric Young (eay@cryptsoft.com)" - * The word 'cryptographic' can be left out if the rouines from the library - * being used are not cryptographic related :-). - * 4. If you include any Windows specific code (or a derivative thereof) from - * the apps directory (application code) you must include an acknowledgement: - * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" - * - * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * The licence and distribution terms for any publically available version or - * derivative of this code cannot be changed. i.e. this code cannot simply be - * copied and put under another distribution licence - * [including the GNU Public Licence.] - */ - -#include <stdio.h> -#include <errno.h> -#define USE_SOCKETS -#include "cryptlib.h" - -#if defined(OPENSSL_NO_POSIX_IO) -/* - * One can argue that one should implement dummy placeholder for - * BIO_s_fd here... - */ -#else -/* - * As for unconditional usage of "UPLINK" interface in this module. - * Trouble is that unlike Unix file descriptors [which are indexes - * in kernel-side per-process table], corresponding descriptors on - * platforms which require "UPLINK" interface seem to be indexes - * in a user-land, non-global table. Well, in fact they are indexes - * in stdio _iob[], and recall that _iob[] was the very reason why - * "UPLINK" interface was introduced in first place. But one way on - * another. Neither libcrypto or libssl use this BIO meaning that - * file descriptors can only be provided by application. Therefore - * "UPLINK" calls are due... - */ -#include "bio_lcl.h" - -static int fd_write(BIO *h, const char *buf, int num); -static int fd_read(BIO *h, char *buf, int size); -static int fd_puts(BIO *h, const char *str); -static int fd_gets(BIO *h, char *buf, int size); -static long fd_ctrl(BIO *h, int cmd, long arg1, void *arg2); -static int fd_new(BIO *h); -static int fd_free(BIO *data); -int BIO_fd_should_retry(int s); - -static BIO_METHOD methods_fdp= - { - BIO_TYPE_FD,"file descriptor", - fd_write, - fd_read, - fd_puts, - fd_gets, - fd_ctrl, - fd_new, - fd_free, - NULL, - }; - -BIO_METHOD *BIO_s_fd(void) - { - return(&methods_fdp); - } - -BIO *BIO_new_fd(int fd,int close_flag) - { - BIO *ret; - ret=BIO_new(BIO_s_fd()); - if (ret == NULL) return(NULL); - BIO_set_fd(ret,fd,close_flag); - return(ret); - } - -static int fd_new(BIO *bi) - { - bi->init=0; - bi->num=-1; - bi->ptr=NULL; - bi->flags=BIO_FLAGS_UPLINK; /* essentially redundant */ - return(1); - } - -static int fd_free(BIO *a) - { - if (a == NULL) return(0); - if (a->shutdown) - { - if (a->init) - { - UP_close(a->num); - } - a->init=0; - a->flags=BIO_FLAGS_UPLINK; - } - return(1); - } - -static int fd_read(BIO *b, char *out,int outl) - { - int ret=0; - - if (out != NULL) - { - clear_sys_error(); - ret=UP_read(b->num,out,outl); - BIO_clear_retry_flags(b); - if (ret <= 0) - { - if (BIO_fd_should_retry(ret)) - BIO_set_retry_read(b); - } - } - return(ret); - } - -static int fd_write(BIO *b, const char *in, int inl) - { - int ret; - clear_sys_error(); - ret=UP_write(b->num,in,inl); - BIO_clear_retry_flags(b); - if (ret <= 0) - { - if (BIO_fd_should_retry(ret)) - BIO_set_retry_write(b); - } - return(ret); - } - -static long fd_ctrl(BIO *b, int cmd, long num, void *ptr) - { - long ret=1; - int *ip; - - switch (cmd) - { - case BIO_CTRL_RESET: - num=0; - case BIO_C_FILE_SEEK: - ret=(long)UP_lseek(b->num,num,0); - break; - case BIO_C_FILE_TELL: - case BIO_CTRL_INFO: - ret=(long)UP_lseek(b->num,0,1); - break; - case BIO_C_SET_FD: - fd_free(b); - b->num= *((int *)ptr); - b->shutdown=(int)num; - b->init=1; - break; - case BIO_C_GET_FD: - if (b->init) - { - ip=(int *)ptr; - if (ip != NULL) *ip=b->num; - ret=b->num; - } - else - ret= -1; - break; - case BIO_CTRL_GET_CLOSE: - ret=b->shutdown; - break; - case BIO_CTRL_SET_CLOSE: - b->shutdown=(int)num; - break; - case BIO_CTRL_PENDING: - case BIO_CTRL_WPENDING: - ret=0; - break; - case BIO_CTRL_DUP: - case BIO_CTRL_FLUSH: - ret=1; - break; - default: - ret=0; - break; - } - return(ret); - } - -static int fd_puts(BIO *bp, const char *str) - { - int n,ret; - - n=strlen(str); - ret=fd_write(bp,str,n); - return(ret); - } - -static int fd_gets(BIO *bp, char *buf, int size) - { - int ret=0; - char *ptr=buf; - char *end=buf+size-1; - - while ( (ptr < end) && (fd_read(bp, ptr, 1) > 0) && (ptr[0] != '\n') ) - ptr++; - - ptr[0]='\0'; - - if (buf[0] != '\0') - ret=strlen(buf); - return(ret); - } - -int BIO_fd_should_retry(int i) - { - int err; - - if ((i == 0) || (i == -1)) - { - err=get_last_sys_error(); - -#if defined(OPENSSL_SYS_WINDOWS) && 0 /* more microsoft stupidity? perhaps not? Ben 4/1/99 */ - if ((i == -1) && (err == 0)) - return(1); -#endif - - return(BIO_fd_non_fatal_error(err)); - } - return(0); - } - -int BIO_fd_non_fatal_error(int err) - { - switch (err) - { - -#ifdef EWOULDBLOCK -# ifdef WSAEWOULDBLOCK -# if WSAEWOULDBLOCK != EWOULDBLOCK - case EWOULDBLOCK: -# endif -# else - case EWOULDBLOCK: -# endif -#endif - -#if defined(ENOTCONN) - case ENOTCONN: -#endif - -#ifdef EINTR - case EINTR: -#endif - -#ifdef EAGAIN -#if EWOULDBLOCK != EAGAIN - case EAGAIN: -# endif -#endif - -#ifdef EPROTO - case EPROTO: -#endif - -#ifdef EINPROGRESS - case EINPROGRESS: -#endif - -#ifdef EALREADY - case EALREADY: -#endif - return(1); - /* break; */ - default: - break; - } - return(0); - } -#endif |