| randomdev.c (67893) | randomdev.c (69172) |
|---|---|
| 1/*- 2 * Copyright (c) 2000 Mark R V Murray 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 9 unchanged lines hidden (view full) --- 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * | 1/*- 2 * Copyright (c) 2000 Mark R V Murray 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 9 unchanged lines hidden (view full) --- 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * |
| 26 * $FreeBSD: head/sys/dev/random/randomdev.c 67893 2000-10-29 16:06:56Z phk $ | 26 * $FreeBSD: head/sys/dev/random/randomdev.c 69172 2000-11-25 19:13:29Z markm $ |
| 27 */ 28 29#include <sys/param.h> 30#include <sys/queue.h> 31#include <sys/systm.h> 32#include <sys/conf.h> 33#include <sys/fcntl.h> 34#include <sys/uio.h> --- 11 unchanged lines hidden (view full) --- 46#include <crypto/blowfish/blowfish.h> 47 48#include <dev/random/hash.h> 49#include <dev/random/yarrow.h> 50 51#include "opt_noblockrandom.h" 52 53static d_open_t random_open; | 27 */ 28 29#include <sys/param.h> 30#include <sys/queue.h> 31#include <sys/systm.h> 32#include <sys/conf.h> 33#include <sys/fcntl.h> 34#include <sys/uio.h> --- 11 unchanged lines hidden (view full) --- 46#include <crypto/blowfish/blowfish.h> 47 48#include <dev/random/hash.h> 49#include <dev/random/yarrow.h> 50 51#include "opt_noblockrandom.h" 52 53static d_open_t random_open; |
| 54static d_close_t random_close; |
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| 54static d_read_t random_read; 55static d_write_t random_write; 56static d_ioctl_t random_ioctl; 57static d_poll_t random_poll; 58 59#define CDEV_MAJOR 2 60#define RANDOM_MINOR 3 61#define URANDOM_MINOR 4 62 63static struct cdevsw random_cdevsw = { 64 /* open */ random_open, | 55static d_read_t random_read; 56static d_write_t random_write; 57static d_ioctl_t random_ioctl; 58static d_poll_t random_poll; 59 60#define CDEV_MAJOR 2 61#define RANDOM_MINOR 3 62#define URANDOM_MINOR 4 63 64static struct cdevsw random_cdevsw = { 65 /* open */ random_open, |
| 65 /* close */ (d_close_t *)nullop, | 66 /* close */ random_close, |
| 66 /* read */ random_read, 67 /* write */ random_write, 68 /* ioctl */ random_ioctl, 69 /* poll */ random_poll, 70 /* mmap */ nommap, 71 /* strategy */ nostrategy, 72 /* name */ "random", 73 /* maj */ CDEV_MAJOR, --- 25 unchanged lines hidden (view full) --- 99{ 100 if ((flags & FWRITE) && (securelevel > 0 || suser(p))) 101 return EPERM; 102 else 103 return 0; 104} 105 106static int | 67 /* read */ random_read, 68 /* write */ random_write, 69 /* ioctl */ random_ioctl, 70 /* poll */ random_poll, 71 /* mmap */ nommap, 72 /* strategy */ nostrategy, 73 /* name */ "random", 74 /* maj */ CDEV_MAJOR, --- 25 unchanged lines hidden (view full) --- 100{ 101 if ((flags & FWRITE) && (securelevel > 0 || suser(p))) 102 return EPERM; 103 else 104 return 0; 105} 106 107static int |
| 108random_close(dev_t dev, int flags, int fmt, struct proc *p) 109{ 110 if ((flags & FWRITE) && (securelevel > 0 || suser(p))) 111 random_reseed(); 112 return 0; 113} 114 115static int |
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| 107random_read(dev_t dev, struct uio *uio, int flag) 108{ 109 u_int c, ret; 110 int error = 0; 111 void *random_buf; 112 113/* XXX Temporary ifndef to allow users to have a nonblocking device */ 114#ifndef NOBLOCKRANDOM --- 92 unchanged lines hidden --- | 116random_read(dev_t dev, struct uio *uio, int flag) 117{ 118 u_int c, ret; 119 int error = 0; 120 void *random_buf; 121 122/* XXX Temporary ifndef to allow users to have a nonblocking device */ 123#ifndef NOBLOCKRANDOM --- 92 unchanged lines hidden --- |