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authorMiod Vallat <miod@cvs.openbsd.org>2014-02-23 20:01:05 +0000
committerMiod Vallat <miod@cvs.openbsd.org>2014-02-23 20:01:05 +0000
commitc8eb6863e3718563ca617baa9f28ed5f19c1bda7 (patch)
tree361e2e7f98b93b4e2d2d5d6ad9e9011843ebe53c /sys
parentd413c4fef605ebc79108f8a4a86a49c0e0aeaaed (diff)
Try and load /etc/random.seed before attempting to load the kernel.
Bump version.
Diffstat (limited to 'sys')
-rw-r--r--sys/arch/luna88k/stand/boot/Makefile4
-rw-r--r--sys/arch/luna88k/stand/boot/boot.c60
-rw-r--r--sys/arch/luna88k/stand/boot/init_main.c4
3 files changed, 60 insertions, 8 deletions
diff --git a/sys/arch/luna88k/stand/boot/Makefile b/sys/arch/luna88k/stand/boot/Makefile
index 4504605e875..03eca50eb65 100644
--- a/sys/arch/luna88k/stand/boot/Makefile
+++ b/sys/arch/luna88k/stand/boot/Makefile
@@ -1,4 +1,4 @@
-# $OpenBSD: Makefile,v 1.5 2013/11/12 14:04:15 aoyama Exp $
+# $OpenBSD: Makefile,v 1.6 2014/02/23 20:01:04 miod Exp $
# $NetBSD: Makefile,v 1.9 2013/01/22 15:48:40 tsutsui Exp $
# @(#)Makefile 8.2 (Berkeley) 8/15/93
@@ -43,7 +43,7 @@ PROG= boot
### find out what to use for libkern
.PATH: ${S}/lib/libkern
-SRCS+= memcpy.c strlen.c
+SRCS+= memcpy.c strlcat.c strlcpy.c strlen.c
SRCS+= muldi3.c negdi2.c ashrdi3.c
### find out what to use for libsa
diff --git a/sys/arch/luna88k/stand/boot/boot.c b/sys/arch/luna88k/stand/boot/boot.c
index 4cc8cade039..51567f45694 100644
--- a/sys/arch/luna88k/stand/boot/boot.c
+++ b/sys/arch/luna88k/stand/boot/boot.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: boot.c,v 1.3 2014/01/29 11:22:13 aoyama Exp $ */
+/* $OpenBSD: boot.c,v 1.4 2014/02/23 20:01:04 miod Exp $ */
/* $NetBSD: boot.c,v 1.3 2013/03/05 15:34:53 tsutsui Exp $ */
/*
@@ -78,13 +78,19 @@
#include <sys/param.h>
#include <sys/reboot.h>
-#include <sys/exec.h>
+#include <sys/stat.h>
+#define _KERNEL
+#include <sys/fcntl.h>
+#undef _KERNEL
+
+#include <lib/libkern/libkern.h>
#include <luna88k/stand/boot/samachdep.h>
#include <luna88k/stand/boot/status.h>
#include <lib/libsa/loadfile.h>
int howto;
+int loadrandom(const char *, char *, size_t);
#if 0
static int get_boot_device(const char *, int *, int *, int *);
#endif
@@ -93,7 +99,7 @@ void (*cpu_boot)(uint32_t, uint32_t);
uint32_t cpu_bootarg1;
uint32_t cpu_bootarg2;
-char rnddata[BOOTRANDOM_MAX]; /* XXX dummy */
+char rnddata[BOOTRANDOM_MAX];
#if 0
int
@@ -139,7 +145,9 @@ error:
int
boot(int argc, char *argv[])
{
- char *line;
+ char *line, *lparen, *rparen;
+ char rndpath[MAXPATHLEN];
+ static int rnd_loaded = 0;
if (argc < 2)
line = default_file;
@@ -148,6 +156,27 @@ boot(int argc, char *argv[])
printf("Booting %s\n", line);
+ /*
+ * Try and load randomness from the boot device.
+ */
+ if (rnd_loaded == 0) {
+ lparen = strchr(line, '(');
+ if (lparen != NULL)
+ rparen = strchr(line, ')');
+ else
+ rparen = NULL;
+ if (rparen != NULL &&
+ rparen + 1 - line < sizeof rndpath) {
+ rparen++;
+ memcpy(rndpath, line, rparen - line);
+ rndpath[rparen - line] = '\0';
+ strlcat(rndpath, BOOTRANDOM, sizeof rndpath);
+ } else
+ strlcpy(rndpath, BOOTRANDOM, sizeof rndpath);
+
+ rnd_loaded = loadrandom(rndpath, rnddata, sizeof(rnddata));
+ }
+
return bootunix(line);
}
@@ -187,3 +216,26 @@ bootunix(char *line)
return ST_ERROR;
}
+
+int
+loadrandom(const char *name, char *buf, size_t buflen)
+{
+ struct stat sb;
+ int fd;
+ int rc = 0;
+
+ fd = open(name, O_RDONLY);
+ if (fd == -1) {
+ if (errno != EPERM)
+ printf("cannot open %s: %s\n", name, strerror(errno));
+ return 0;
+ }
+ if (fstat(fd, &sb) == -1 || sb.st_uid != 0 || !S_ISREG(sb.st_mode) ||
+ (sb.st_mode & (S_IWOTH|S_IROTH)))
+ goto fail;
+ (void) read(fd, buf, buflen);
+ rc = 1;
+fail:
+ close(fd);
+ return rc;
+}
diff --git a/sys/arch/luna88k/stand/boot/init_main.c b/sys/arch/luna88k/stand/boot/init_main.c
index c5fff01ea82..f3d0a79793e 100644
--- a/sys/arch/luna88k/stand/boot/init_main.c
+++ b/sys/arch/luna88k/stand/boot/init_main.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: init_main.c,v 1.5 2013/11/01 07:43:09 miod Exp $ */
+/* $OpenBSD: init_main.c,v 1.6 2014/02/23 20:01:04 miod Exp $ */
/* $NetBSD: init_main.c,v 1.6 2013/03/05 15:34:53 tsutsui Exp $ */
/*
@@ -181,7 +181,7 @@ main(void)
nplane = get_plane_numbers();
cninit();
- printf("\nOpenBSD/" MACHINE " (%s) boot 0.3\n\n", machstr);
+ printf("\nOpenBSD/" MACHINE " (%s) boot 0.4\n\n", machstr);
#ifdef SUPPORT_ETHERNET
try_bootp = 1;