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Diffstat (limited to 'openssl/crypto/bio/bss_fd.c')
-rw-r--r--openssl/crypto/bio/bss_fd.c413
1 files changed, 212 insertions, 201 deletions
diff --git a/openssl/crypto/bio/bss_fd.c b/openssl/crypto/bio/bss_fd.c
index d1bf85aae..5f4e34481 100644
--- a/openssl/crypto/bio/bss_fd.c
+++ b/openssl/crypto/bio/bss_fd.c
@@ -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);
- }
-
-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);
- }
+{
+ 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);
- }
+{
+ 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);
- }
+{
+ 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);
- }
+{
+ 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);
- }
+{
+ 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;
+{
+ 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)
- {
-
-#ifdef EWOULDBLOCK
-# ifdef WSAEWOULDBLOCK
-# if WSAEWOULDBLOCK != EWOULDBLOCK
- case EWOULDBLOCK:
+{
+ switch (err) {
+
+# 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
+# if defined(ENOTCONN)
+ case ENOTCONN:
+# endif
-#ifdef EINTR
- case EINTR:
-#endif
+# ifdef EINTR
+ case EINTR:
+# endif
-#ifdef EAGAIN
-#if EWOULDBLOCK != EAGAIN
- case EAGAIN:
+# ifdef EAGAIN
+# if EWOULDBLOCK != EAGAIN
+ case EAGAIN:
+# endif
# endif
-#endif
-#ifdef EPROTO
- case EPROTO:
-#endif
+# ifdef EPROTO
+ case EPROTO:
+# endif
-#ifdef EINPROGRESS
- case EINPROGRESS:
-#endif
+# ifdef EINPROGRESS
+ case EINPROGRESS:
+# endif
-#ifdef EALREADY
- case EALREADY:
-#endif
- return(1);
- /* break; */
- default:
- break;
- }
- return(0);
- }
+# ifdef EALREADY
+ case EALREADY:
+# endif
+ return (1);
+ /* break; */
+ default:
+ break;
+ }
+ return (0);
+}
#endif
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