1 files changed, 256 insertions, 0 deletions
diff --git a/linden/indra/libgcrypt/libgcrypt-1.2.2/cipher/rndegd.c b/linden/indra/libgcrypt/libgcrypt-1.2.2/cipher/rndegd.c
new file mode 100755
index 0000000..2b7c6be
--- /dev/null
+++ b/linden/indra/libgcrypt/libgcrypt-1.2.2/cipher/rndegd.c
@@ -0,0 +1,256 @@
+/* rndegd.c  -  interface to the EGD
+ *      Copyright (C) 1999, 2000, 2002, 2003 Free Software Foundation, Inc.
+ *
+ * This file is part of Libgcrypt.
+ *
+ * Libgcrypt is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * Libgcrypt 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser 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"
+#include "cipher.h"
+#include "rand-internal.h"
+#ifndef offsetof
+#define offsetof(type, member) ((size_t) &((type *)0)->member)
+#endif
+static int egd_socket = -1;
+/* Allocate a new filename from FIRST_PART and SECOND_PART and to
+   tilde expansion for first_part.  SECOND_PART might be NULL.
+ */
+static char *
+my_make_filename (const char *first_part, const char *second_part)
+{
+  size_t n;
+  char *name, *home, *p;
+  n = strlen(first_part)+1;
+  if (second_part)
+    n += strlen (second_part) + 1;
+  home = NULL;
+  if( *first_part == '~' && first_part[1] == '/'
+      && (home = getenv("HOME")) && *home )
+    n += strlen(home);
+  name = gcry_xmalloc(n);
+  p = (home
+       ? stpcpy (stpcpy (name, home), first_part+1 )
+       : stpcpy (name, first_part) );
+  if (second_part)
+    strcpy (stpcpy(p,"/"), second_part);
+  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 nread? nread:-1;
+      if( n == 0)
+        return -1;
+      nread += n;
+      nbytes -= n;
+    } 
+  while( nread < nbytes );
+  return nread;
+}
+/* Connect to the EGD and return the file descriptor.  Return -1 on
+   error.  With NOFAIL set to true, silently fail and return the
+   error, otherwise print an error message and die. */
+int
+_gcry_rndegd_connect_socket (int nofail)
+{
+  int fd;
+  const char *bname = NULL;
+  char *name;
+  struct sockaddr_un addr;
+  int addr_len;
+  if (egd_socket != -1)
+    {
+      close (egd_socket);
+      egd_socket = -1;
+    }
+#ifdef EGD_SOCKET_NAME
+  bname = EGD_SOCKET_NAME;
+#endif
+  if ( !bname || !*bname )
+    name = my_make_filename ("~/.gnupg", "entropy");
+  else
+    name = my_make_filename (bname, NULL);
+  if (strlen(name)+1 >= sizeof addr.sun_path)
+    log_fatal ("EGD socketname is too long\n");
+  
+  memset( &addr, 0, sizeof addr );
+  addr.sun_family = AF_UNIX;
+  strcpy( addr.sun_path, name );          
+  addr_len = (offsetof( struct sockaddr_un, sun_path )
+              + strlen( addr.sun_path ));
+  
+  fd = socket(AF_UNIX, SOCK_STREAM, 0);
+  if (fd == -1 && !nofail)
+    log_fatal("can't create unix domain socket: %s\n", strerror(errno) );
+  else if (connect (fd, (struct sockaddr*)&addr, addr_len) == -1)
+    {
+      if (!nofail)
+        log_fatal("can't connect to EGD socket `%s': %s\n",
+                  name, strerror(errno) );
+      close (fd);
+      fd = -1;
+    }
+  gcry_free(name);
+  if (fd != -1)
+    egd_socket = fd;
+  return fd;
+}
+/****************
+ * 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.
+ */
+int
+_gcry_rndegd_gather_random (void (*add)(const void*, size_t, int),
+                            int requester,
+                            size_t length, int level )
+{
+  int fd = egd_socket;
+  int n;
+  byte buffer[256+2];
+  int nbytes;
+  int do_restart = 0;
+  if( !length )
+    return 0;
+  if( !level )
+    return 0;
+ restart:
+  if (fd == -1 || do_restart)
+    fd = _gcry_rndegd_connect_socket (0);
+  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 )
+    log_fatal("can't write to the EGD: %s\n", strerror(errno) );
+  n = do_read( fd, buffer, 1 );
+  if( n == -1 )
+    {
+      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 )
+        {
+          log_error("read error on EGD: %s\n", strerror(errno));
+          do_restart = 1;
+          goto restart;
+        }
+      (*add)( buffer, n, requester );
+      length -= n;
+    }
+  if( length )
+    {
+      log_info (
+      _("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 )
+        log_fatal("can't write to the EGD: %s\n", strerror(errno) );
+      n = do_read( fd, buffer, nbytes );
+      if( n == -1 )
+        {
+          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 */
+}

diff --git a/linden/indra/libgcrypt/libgcrypt-1.2.2/cipher/rndegd.c b/linden/indra/libgcrypt/libgcrypt-1.2.2/cipher/rndegd.c new file mode 100755 index 0000000..2b7c6be --- /dev/null +++ b/linden/indra/libgcrypt/libgcrypt-1.2.2/cipher/rndegd.c
@@ -0,0 +1,256 @@
	1	/* rndegd.c - interface to the EGD
	2	* Copyright (C) 1999, 2000, 2002, 2003 Free Software Foundation, Inc.
	3	*
	4	* This file is part of Libgcrypt.
	5	*
	6	* Libgcrypt is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU Lesser General Public License as
	8	* published by the Free Software Foundation; either version 2.1 of
	9	* the License, or (at your option) any later version.
	10	*
	11	* Libgcrypt is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU Lesser General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU Lesser General Public
	17	* License along with this program; if not, write to the Free Software
	18	* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
	19	*/
	20
	21	#include <config.h>
	22	#include <stdio.h>
	23	#include <stdlib.h>
	24	#include <assert.h>
	25	#include <errno.h>
	26	#include <sys/time.h>
	27	#include <sys/stat.h>
	28	#include <string.h>
	29	#include <unistd.h>
	30	#include <sys/types.h>
	31	#include <sys/socket.h>
	32	#include <sys/un.h>
	33	#include "types.h"
	34	#include "g10lib.h"
	35	#include "cipher.h"
	36	#include "rand-internal.h"
	37
	38	#ifndef offsetof
	39	#define offsetof(type, member) ((size_t) &((type *)0)->member)
	40	#endif
	41
	42	static int egd_socket = -1;
	43
	44	/* Allocate a new filename from FIRST_PART and SECOND_PART and to
	45	tilde expansion for first_part. SECOND_PART might be NULL.
	46	*/
	47	static char *
	48	my_make_filename (const char first_part, const char second_part)
	49	{
	50	size_t n;
	51	char name, home, *p;
	52
	53	n = strlen(first_part)+1;
	54	if (second_part)
	55	n += strlen (second_part) + 1;
	56
	57	home = NULL;
	58	if( *first_part == '~' && first_part[1] == '/'
	59	&& (home = getenv("HOME")) && *home )
	60	n += strlen(home);
	61
	62	name = gcry_xmalloc(n);
	63	p = (home
	64	? stpcpy (stpcpy (name, home), first_part+1 )
	65	: stpcpy (name, first_part) );
	66
	67	if (second_part)
	68	strcpy (stpcpy(p,"/"), second_part);
	69
	70	return name;
	71	}
	72
	73
	74	static int
	75	do_write( int fd, void *buf, size_t nbytes )
	76	{
	77	size_t nleft = nbytes;
	78	int nwritten;
	79
	80	while( nleft > 0 )
	81	{
	82	nwritten = write( fd, buf, nleft);
	83	if( nwritten < 0 )
	84	{
	85	if( errno == EINTR )
	86	continue;
	87	return -1;
	88	}
	89	nleft -= nwritten;
	90	buf = (char*)buf + nwritten;
	91	}
	92	return 0;
	93	}
	94
	95	static int
	96	do_read( int fd, void *buf, size_t nbytes )
	97	{
	98	int n, nread = 0;
	99
	100	do
	101	{
	102	do
	103	{
	104	n = read(fd, (char*)buf + nread, nbytes );
	105	}
	106	while( n == -1 && errno == EINTR );
	107	if( n == -1)
	108	return nread? nread:-1;
	109	if( n == 0)
	110	return -1;
	111	nread += n;
	112	nbytes -= n;
	113	}
	114	while( nread < nbytes );
	115	return nread;
	116	}
	117
	118
	119	/* Connect to the EGD and return the file descriptor. Return -1 on
	120	error. With NOFAIL set to true, silently fail and return the
	121	error, otherwise print an error message and die. */
	122	int
	123	_gcry_rndegd_connect_socket (int nofail)
	124	{
	125	int fd;
	126	const char *bname = NULL;
	127	char *name;
	128	struct sockaddr_un addr;
	129	int addr_len;
	130
	131	if (egd_socket != -1)
	132	{
	133	close (egd_socket);
	134	egd_socket = -1;
	135	}
	136
	137	#ifdef EGD_SOCKET_NAME
	138	bname = EGD_SOCKET_NAME;
	139	#endif
	140	if ( !bname \|\| !*bname )
	141	name = my_make_filename ("~/.gnupg", "entropy");
	142	else
	143	name = my_make_filename (bname, NULL);
	144
	145	if (strlen(name)+1 >= sizeof addr.sun_path)
	146	log_fatal ("EGD socketname is too long\n");
	147
	148	memset( &addr, 0, sizeof addr );
	149	addr.sun_family = AF_UNIX;
	150	strcpy( addr.sun_path, name );
	151	addr_len = (offsetof( struct sockaddr_un, sun_path )
	152	+ strlen( addr.sun_path ));
	153
	154	fd = socket(AF_UNIX, SOCK_STREAM, 0);
	155	if (fd == -1 && !nofail)
	156	log_fatal("can't create unix domain socket: %s\n", strerror(errno) );
	157	else if (connect (fd, (struct sockaddr*)&addr, addr_len) == -1)
	158	{
	159	if (!nofail)
	160	log_fatal("can't connect to EGD socket `%s': %s\n",
	161	name, strerror(errno) );
	162	close (fd);
	163	fd = -1;
	164	}
	165	gcry_free(name);
	166	if (fd != -1)
	167	egd_socket = fd;
	168	return fd;
	169	}
	170
	171	/****************
	172	* Note: We always use the highest level.
	173	* To boost the performance we may want to add some
	174	* additional code for level 1
	175	*
	176	* Using a level of 0 should never block and better add nothing
	177	* to the pool. So this is just a dummy for EGD.
	178	*/
	179	int
	180	_gcry_rndegd_gather_random (void (add)(const void, size_t, int),
	181	int requester,
	182	size_t length, int level )
	183	{
	184	int fd = egd_socket;
	185	int n;
	186	byte buffer[256+2];
	187	int nbytes;
	188	int do_restart = 0;
	189
	190	if( !length )
	191	return 0;
	192	if( !level )
	193	return 0;
	194
	195	restart:
	196	if (fd == -1 \|\| do_restart)
	197	fd = _gcry_rndegd_connect_socket (0);
	198
	199	do_restart = 0;
	200
	201	nbytes = length < 255? length : 255;
	202	/* First time we do it with a non blocking request */
	203	buffer[0] = 1; /* non blocking */
	204	buffer[1] = nbytes;
	205	if( do_write( fd, buffer, 2 ) == -1 )
	206	log_fatal("can't write to the EGD: %s\n", strerror(errno) );
	207	n = do_read( fd, buffer, 1 );
	208	if( n == -1 )
	209	{
	210	log_error("read error on EGD: %s\n", strerror(errno));
	211	do_restart = 1;
	212	goto restart;
	213	}
	214	n = buffer[0];
	215	if( n )
	216	{
	217	n = do_read( fd, buffer, n );
	218	if( n == -1 )
	219	{
	220	log_error("read error on EGD: %s\n", strerror(errno));
	221	do_restart = 1;
	222	goto restart;
	223	}
	224	(*add)( buffer, n, requester );
	225	length -= n;
	226	}
	227
	228	if( length )
	229	{
	230	log_info (
	231	_("Please wait, entropy is being gathered. Do some work if it would\n"
	232	"keep you from getting bored, because it will improve the quality\n"
	233	"of the entropy.\n") );
	234	}
	235	while( length )
	236	{
	237	nbytes = length < 255? length : 255;
	238
	239	buffer[0] = 2; /* blocking */
	240	buffer[1] = nbytes;
	241	if( do_write( fd, buffer, 2 ) == -1 )
	242	log_fatal("can't write to the EGD: %s\n", strerror(errno) );
	243	n = do_read( fd, buffer, nbytes );
	244	if( n == -1 )
	245	{
	246	log_error("read error on EGD: %s\n", strerror(errno));
	247	do_restart = 1;
	248	goto restart;
	249	}
	250	(*add)( buffer, n, requester );
	251	length -= n;
	252	}
	253	memset(buffer, 0, sizeof(buffer) );
	254
	255	return 0; /* success */
	256	}