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This commit is contained in:
Zhi Guan
2015-08-15 15:02:15 +08:00
parent 06df2fab54
commit 3bdc0ea895
2536 changed files with 417052 additions and 271997 deletions
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409
crypto/bio/bss_fd.c
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@@ -5,21 +5,21 @@
* 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:
@@ -34,10 +34,10 @@
* 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
* 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
@@ -49,7 +49,7 @@
* 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
@@ -63,9 +63,27 @@
#if defined(OPENSSL_NO_POSIX_IO)
/*
* One can argue that one should implement dummy placeholder for
* BIO_s_fd here...
* Dummy placeholder for BIO_s_fd...
*/
BIO *BIO_new_fd(int fd, int close_flag)
{
return NULL;
}
int BIO_fd_non_fatal_error(int err)
{
return 0;
}
int BIO_fd_should_retry(int i)
{
return 0;
}
BIO_METHOD *BIO_s_fd(void)
{
return NULL;
}
#else
/*
* As for unconditional usage of "UPLINK" interface in this module.
@@ -79,7 +97,7 @@
* file descriptors can only be provided by application. Therefore
* "UPLINK" calls are due...
*/
#include "bio_lcl.h"
# 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);
@@ -90,230 +108,223 @@ 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,
};
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);
}
{
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);
}
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);
}
{
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 (a == NULL)
return (0);
if (a->shutdown) {
if (a->init) {
UP_close(a->num);
}
a->init = 0;
a->flags = BIO_FLAGS_UPLINK;
}
return (1);
}
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_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);
}
{
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;
{
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);
}
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;
{
int n, ret;
n=strlen(str);
ret=fd_write(bp,str,n);
return(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;
{
int ret = 0;
char *ptr = buf;
char *end = buf + size - 1;
while ( (ptr < end) && (fd_read(bp, ptr, 1) > 0) && (ptr[0] != '\n') )
ptr++;
while ((ptr < end) && (fd_read(bp, ptr, 1) > 0) && (ptr[0] != '\n'))
ptr++;
ptr[0]='\0';
ptr[0] = '\0';
if (buf[0] != '\0')
ret=strlen(buf);
return(ret);
}
if (buf[0] != '\0')
ret = strlen(buf);
return (ret);
}
int BIO_fd_should_retry(int i)
{
int err;
{
int err;
if ((i == 0) || (i == -1))
{
err=get_last_sys_error();
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
# 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);
}
return (BIO_fd_non_fatal_error(err));
}
return (0);
}
int BIO_fd_non_fatal_error(int err)
{
switch (err)
{
{
switch (err) {
#ifdef EWOULDBLOCK
# ifdef WSAEWOULDBLOCK
# if WSAEWOULDBLOCK != EWOULDBLOCK
case EWOULDBLOCK:
# ifdef EWOULDBLOCK
# ifdef WSAEWOULDBLOCK
# if WSAEWOULDBLOCK != EWOULDBLOCK
case EWOULDBLOCK:
# endif
# else
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:
# if defined(ENOTCONN)
case ENOTCONN:
# endif
#endif
#ifdef EPROTO
case EPROTO:
#endif
# ifdef EINTR
case EINTR:
# endif
#ifdef EINPROGRESS
case EINPROGRESS:
#endif
# ifdef EAGAIN
# if EWOULDBLOCK != EAGAIN
case EAGAIN:
# endif
# endif
#ifdef EALREADY
case EALREADY:
#endif
return(1);
/* break; */
default:
break;
}
return(0);
}
# ifdef EPROTO
case EPROTO:
# endif
# ifdef EINPROGRESS
case EINPROGRESS:
# endif
# ifdef EALREADY
case EALREADY:
# endif
return (1);
/* break; */
default:
break;
}
return (0);
}
#endif