Author: avg
Date: Sun May 13 17:10:38 2012
New Revision: 235407
URL: http://svn.freebsd.org/changeset/base/235407
Log:
MFC r228633,228634,228638,228642,228643: introduce cngets,
a method for kernel to read a string from console
Deleted:
stable/9/sys/libkern/gets.c
Modified:
stable/9/sys/conf/files
stable/9/sys/geom/eli/g_eli.c
stable/9/sys/kern/kern_cons.c
stable/9/sys/kern/vfs_mountroot.c
stable/9/sys/sys/cons.h
stable/9/sys/sys/libkern.h
Directory Properties:
stable/9/sys/ (props changed)
stable/9/sys/amd64/include/xen/ (props changed)
stable/9/sys/boot/ (props changed)
stable/9/sys/boot/i386/efi/ (props changed)
stable/9/sys/boot/ia64/efi/ (props changed)
stable/9/sys/boot/ia64/ski/ (props changed)
stable/9/sys/boot/powerpc/boot1.chrp/ (props changed)
stable/9/sys/boot/powerpc/ofw/ (props changed)
stable/9/sys/cddl/contrib/opensolaris/ (props changed)
stable/9/sys/conf/ (props changed)
stable/9/sys/contrib/dev/acpica/ (props changed)
stable/9/sys/contrib/octeon-sdk/ (props changed)
stable/9/sys/contrib/pf/ (props changed)
stable/9/sys/contrib/x86emu/ (props changed)
stable/9/sys/fs/ (props changed)
stable/9/sys/fs/ntfs/ (props changed)
stable/9/sys/i386/conf/XENHVM (props changed)
stable/9/sys/kern/subr_witness.c (props changed)
Modified: stable/9/sys/conf/files
==============================================================================
--- stable/9/sys/conf/files Sun May 13 17:05:54 2012 (r235406)
+++ stable/9/sys/conf/files Sun May 13 17:10:38 2012 (r235407)
@@ -2541,7 +2541,6 @@ libkern/bcd.c standard
libkern/bsearch.c standard
libkern/crc32.c standard
libkern/fnmatch.c standard
-libkern/gets.c standard
libkern/iconv.c optional libiconv
libkern/iconv_converter_if.m optional libiconv
libkern/iconv_ucs.c optional libiconv
Modified: stable/9/sys/geom/eli/g_eli.c
==============================================================================
--- stable/9/sys/geom/eli/g_eli.c Sun May 13 17:05:54 2012
(r235406)
+++ stable/9/sys/geom/eli/g_eli.c Sun May 13 17:10:38 2012
(r235407)
@@ -29,6 +29,7 @@ __FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
+#include <sys/cons.h>
#include <sys/kernel.h>
#include <sys/linker.h>
#include <sys/module.h>
@@ -1089,7 +1090,7 @@ g_eli_taste(struct g_class *mp, struct g
/* Ask for the passphrase if defined. */
if (md.md_iterations >= 0) {
printf("Enter passphrase for %s: ", pp->name);
- gets(passphrase, sizeof(passphrase),
+ cngets(passphrase, sizeof(passphrase),
g_eli_visible_passphrase);
}
Modified: stable/9/sys/kern/kern_cons.c
==============================================================================
--- stable/9/sys/kern/kern_cons.c Sun May 13 17:05:54 2012
(r235406)
+++ stable/9/sys/kern/kern_cons.c Sun May 13 17:10:38 2012
(r235407)
@@ -1,6 +1,9 @@
/*-
* Copyright (c) 1988 University of Utah.
* Copyright (c) 1991 The Regents of the University of California.
+ * Copyright (c) 1999 Michael Smith
+ * Copyright (c) 2005 Pawel Jakub Dawidek <p...@freebsd.org>
+ *
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
@@ -408,6 +411,55 @@ cncheckc(void)
}
void
+cngets(char *cp, size_t size, int visible)
+{
+ char *lp, *end;
+ int c;
+
+ cngrab();
+
+ lp = cp;
+ end = cp + size - 1;
+ for (;;) {
+ c = cngetc() & 0177;
+ switch (c) {
+ case '\n':
+ case '\r':
+ cnputc(c);
+ *lp = '\0';
+ cnungrab();
+ return;
+ case '\b':
+ case '\177':
+ if (lp > cp) {
+ if (visible) {
+ cnputc(c);
+ cnputs(" \b");
+ }
+ lp--;
+ }
+ continue;
+ case '\0':
+ continue;
+ default:
+ if (lp < end) {
+ switch (visible) {
+ case GETS_NOECHO:
+ break;
+ case GETS_ECHOPASS:
+ cnputc('*');
+ break;
+ default:
+ cnputc(c);
+ break;
+ }
+ *lp++ = c;
+ }
+ }
+ }
+}
+
+void
cnputc(int c)
{
struct cn_device *cnd;
Modified: stable/9/sys/kern/vfs_mountroot.c
==============================================================================
--- stable/9/sys/kern/vfs_mountroot.c Sun May 13 17:05:54 2012
(r235406)
+++ stable/9/sys/kern/vfs_mountroot.c Sun May 13 17:10:38 2012
(r235407)
@@ -42,10 +42,10 @@ __FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/conf.h>
+#include <sys/cons.h>
#include <sys/fcntl.h>
#include <sys/jail.h>
#include <sys/kernel.h>
-#include <sys/libkern.h>
#include <sys/malloc.h>
#include <sys/mdioctl.h>
#include <sys/mount.h>
@@ -486,7 +486,7 @@ parse_dir_ask(char **conf)
do {
error = EINVAL;
printf("\nmountroot> ");
- gets(name, sizeof(name), GETS_ECHO);
+ cngets(name, sizeof(name), GETS_ECHO);
if (name[0] == '\0')
break;
if (name[0] == '?' && name[1] == '\0') {
Modified: stable/9/sys/sys/cons.h
==============================================================================
--- stable/9/sys/sys/cons.h Sun May 13 17:05:54 2012 (r235406)
+++ stable/9/sys/sys/cons.h Sun May 13 17:10:38 2012 (r235407)
@@ -86,6 +86,11 @@ struct consdev {
#define CN_FLAG_NODEBUG 0x00000001 /* Not supported with debugger.
*/
#define CN_FLAG_NOAVAIL 0x00000002 /* Temporarily not available. */
+/* Visibility of characters in cngets() */
+#define GETS_NOECHO 0 /* Disable echoing of characters. */
+#define GETS_ECHO 1 /* Enable echoing of characters. */
+#define GETS_ECHOPASS 2 /* Print a * for every character. */
+
#ifdef _KERNEL
extern struct msgbuf consmsgbuf; /* Message buffer for constty. */
@@ -121,6 +126,7 @@ void cngrab(void);
void cnungrab(void);
int cncheckc(void);
int cngetc(void);
+void cngets(char *, size_t, int);
void cnputc(int);
void cnputs(char *);
int cnunavailable(void);
Modified: stable/9/sys/sys/libkern.h
==============================================================================
--- stable/9/sys/sys/libkern.h Sun May 13 17:05:54 2012 (r235406)
+++ stable/9/sys/sys/libkern.h Sun May 13 17:10:38 2012 (r235407)
@@ -90,7 +90,6 @@ int fls(int);
int flsl(long);
#endif
int fnmatch(const char *, const char *, int);
-void gets(char *, size_t, int);
int locc(int, char *, u_int);
void *memchr(const void *s, int c, size_t n);
int memcmp(const void *b1, const void *b2, size_t len);
@@ -188,9 +187,4 @@ strrchr(const char *p, int ch)
#define FNM_IGNORECASE FNM_CASEFOLD
#define FNM_FILE_NAME FNM_PATHNAME
-/* Visibility of characters in gets() */
-#define GETS_NOECHO 0 /* Disable echoing of characters. */
-#define GETS_ECHO 1 /* Enable echoing of characters. */
-#define GETS_ECHOPASS 2 /* Print a * for every character. */
-
#endif /* !_SYS_LIBKERN_H_ */
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