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-rw-r--r--cipher/rndegd.c275
1 files changed, 0 insertions, 275 deletions
diff --git a/cipher/rndegd.c b/cipher/rndegd.c
deleted file mode 100644
index f6870cdd6..000000000
--- a/cipher/rndegd.c
+++ /dev/null
@@ -1,275 +0,0 @@
-/* rndegd.c - interface to the EGD
- * Copyright (C) 1999, 2000 Free Software Foundation, Inc.
- *
- * This file is part of GnuPG.
- *
- * GnuPG is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * GnuPG is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
- */
-
-#include <config.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <assert.h>
-#include <errno.h>
-#include <sys/time.h>
-#include <sys/stat.h>
-#include <string.h>
-#include <unistd.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <sys/un.h>
-#include "types.h"
-#include "g10lib.h"
-#ifndef IS_MODULE
-#include "ttyio.h"
-#endif
-#include "dynload.h"
-#include "cipher.h"
-
-#ifndef offsetof
-#define offsetof(type, member) ((size_t) &((type *)0)->member)
-#endif
-
-
-/* FIXME: this is duplicated code from util/fileutil
- * I don't think that this code should go into libgcrypt anyway.
- */
-char *
-my_make_filename( const char *first_part, ... )
-{
- va_list arg_ptr ;
- size_t n;
- const char *s;
- char *name, *home, *p;
-
- va_start( arg_ptr, first_part ) ;
- n = strlen(first_part)+1;
- while( (s=va_arg(arg_ptr, const char *)) )
- n += strlen(s) + 1;
- va_end(arg_ptr);
-
- home = NULL;
- if( *first_part == '~' && first_part[1] == '/'
- && (home = getenv("HOME")) && *home )
- n += strlen(home);
-
- name = m_alloc(n);
- p = home ? stpcpy(stpcpy(name,home), first_part+1)
- : stpcpy(name, first_part);
- va_start( arg_ptr, first_part ) ;
- while( (s=va_arg(arg_ptr, const char *)) )
- p = stpcpy(stpcpy(p,"/"), s);
- va_end(arg_ptr);
-
- return name;
-}
-
-
-
-
-
-static int
-do_write( int fd, void *buf, size_t nbytes )
-{
- size_t nleft = nbytes;
- int nwritten;
-
- while( nleft > 0 ) {
- nwritten = write( fd, buf, nleft);
- if( nwritten < 0 ) {
- if( errno == EINTR )
- continue;
- return -1;
- }
- nleft -= nwritten;
- buf = (char*)buf + nwritten;
- }
- return 0;
-}
-
-static int
-do_read( int fd, void *buf, size_t nbytes )
-{
- int n, nread = 0;
-
- do {
- do {
- n = read(fd, (char*)buf + nread, nbytes );
- } while( n == -1 && errno == EINTR );
- if( n == -1 )
- return -1;
- nread += n;
- } while( nread < nbytes );
- return nbytes;
-}
-
-
-
-/****************
- * Note: we always use the highest level.
- * TO boost the performance we may want to add some
- * additional code for level 1
- *
- * Using a level of 0 should never block and better add nothing
- * to the pool. So this is just a dummy for EGD.
- */
-static int
-gather_random( void (*add)(const void*, size_t, int), int requester,
- size_t length, int level )
-{
- static int fd = -1;
- int n;
- byte buffer[256+2];
- int nbytes;
- int do_restart = 0;
-
- if( !length )
- return 0;
- if( !level )
- return 0;
-
- restart:
- if( do_restart ) {
- if( fd != -1 ) {
- close( fd );
- fd = -1;
- }
- }
- if( fd == -1 ) {
- #warning Fixme: make the filename configurable
- char *name = my_make_filename( "~/.gnupg-test", "entropy", NULL );
- struct sockaddr_un addr;
- int addr_len;
-
- memset( &addr, 0, sizeof addr );
- addr.sun_family = AF_UNIX;
- strcpy( addr.sun_path, name ); /* fixme: check that it is long enough */
- addr_len = offsetof( struct sockaddr_un, sun_path )
- + strlen( addr.sun_path );
-
- fd = socket(AF_UNIX, SOCK_STREAM, 0);
- if( fd == -1 )
- g10_log_fatal("can't create unix domain socket: %s\n",
- strerror(errno) );
- if( connect( fd, (struct sockaddr*)&addr, addr_len) == -1 )
- g10_log_fatal("can't connect to `%s': %s\n",
- name, strerror(errno) );
- g10_free(name);
- }
- do_restart = 0;
-
- nbytes = length < 255? length : 255;
- /* first time we do it with a non blocking request */
- buffer[0] = 1; /* non blocking */
- buffer[1] = nbytes;
- if( do_write( fd, buffer, 2 ) == -1 )
- g10_log_fatal("can't write to the EGD: %s\n", strerror(errno) );
- n = do_read( fd, buffer, 1 );
- if( n == -1 ) {
- g10_log_error("read error on EGD: %s\n", strerror(errno));
- do_restart = 1;
- goto restart;
- }
- n = buffer[0];
- if( n ) {
- n = do_read( fd, buffer, n );
- if( n == -1 ) {
- g10_log_error("read error on EGD: %s\n", strerror(errno));
- do_restart = 1;
- goto restart;
- }
- (*add)( buffer, n, requester );
- length -= n;
- }
-
- if( length ) {
- #ifdef IS_MODULE
- fprintf( stderr,
- #else
- tty_printf(
- #endif
- _("Please wait, entropy is being gathered. Do some work if it would\n"
- "keep you from getting bored, because it will improve the quality\n"
- "of the entropy.\n") );
- }
- while( length ) {
- nbytes = length < 255? length : 255;
-
- buffer[0] = 2; /* blocking */
- buffer[1] = nbytes;
- if( do_write( fd, buffer, 2 ) == -1 )
- g10_log_fatal("can't write to the EGD: %s\n", strerror(errno) );
- n = do_read( fd, buffer, nbytes );
- if( n == -1 ) {
- g10_log_error("read error on EGD: %s\n", strerror(errno));
- do_restart = 1;
- goto restart;
- }
- (*add)( buffer, n, requester );
- length -= n;
- }
- memset(buffer, 0, sizeof(buffer) );
-
- return 0; /* success */
-}
-
-
-
-#ifndef IS_MODULE
-static
-#endif
-const char * const gnupgext_version = "RNDEGD ($Revision$)";
-
-static struct {
- int class;
- int version;
- void *func;
-} func_table[] = {
- { 40, 1, gather_random },
-};
-
-
-#ifndef IS_MODULE
-static
-#endif
-void *
-gnupgext_enum_func( int what, int *sequence, int *class, int *vers )
-{
- void *ret;
- int i = *sequence;
-
- do {
- if ( i >= DIM(func_table) || i < 0 ) {
- return NULL;
- }
- *class = func_table[i].class;
- *vers = func_table[i].version;
- ret = func_table[i].func;
- i++;
- } while ( what && what != *class );
-
- *sequence = i;
- return ret;
-}
-
-#ifndef IS_MODULE
-void
-rndegd_constructor(void)
-{
- register_internal_cipher_extension( gnupgext_version,
- gnupgext_enum_func );
-}
-#endif
-
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-29 15:28:05 +0000