use umask 077 for buffer file

This commit is contained in:
Andrew Moore 1994-03-23 04:36:59 +00:00
parent ac1ad5b2d7
commit d165d4acee
Notes: svn2git 2020-12-20 02:59:44 +00:00
svn path=/head/; revision=1297
11 changed files with 255 additions and 26 deletions

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@ -1,5 +1,5 @@
PROG= ed
SRCS= buf.c cbc.c glob.c io.c main.c re.c sub.c undo.c
SRCS= buf.c cbc.c glbl.c io.c main.c re.c sub.c undo.c
LINKS= ${BINDIR}/ed ${BINDIR}/red
MLINKS= ed.1 red.1

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@ -26,10 +26,11 @@
* SUCH DAMAGE.
*/
#ifndef lint
static char *rcsid = "@(#)$Id: buf.c,v 1.3 1993/12/14 16:19:56 alm Exp $";
static char *rcsid = "@(#)buf.c,v 1.4 1994/02/01 00:34:35 alm Exp";
#endif /* not lint */
#include <sys/file.h>
#include <sys/stat.h>
#include "ed.h"
@ -131,7 +132,7 @@ add_line_node(lp)
line_t *cp;
cp = get_addressed_line_node(current_addr); /* this get_addressed_line_node last! */
insque(lp, cp);
INSQUE(lp, cp);
addr_last++;
current_addr++;
}
@ -195,13 +196,18 @@ char sfn[15] = ""; /* scratch file name */
int
open_sbuf()
{
int u;
isbinary = newline_added = 0;
u = umask(077);
strcpy(sfn, "/tmp/ed.XXXXXX");
if (mktemp(sfn) == NULL || (sfp = fopen(sfn, "w+")) == NULL) {
fprintf(stderr, "%s: %s\n", sfn, strerror(errno));
sprintf(errmsg, "cannot open temp file");
umask(u);
return ERR;
}
umask(u);
return 0;
}

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@ -38,7 +38,7 @@
*/
#ifndef lint
static char *rcsid = "@(#)$Id: cbc.c,v 1.3 1993/12/14 18:01:10 alm Exp $";
static char *rcsid = "@(#)cbc.c,v 1.2 1994/02/01 00:34:36 alm Exp";
#endif /* not lint */
#include <sys/types.h>

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@ -1,20 +1,21 @@
.TH ED 1 "21 May 1993"
.SH NAME
ed, red \- text editor
.\" ed, red \- text editor
ed \- text editor
.SH SYNOPSIS
ed [-] [-sx] [-p \fIstring\fR] [\fIfile\fR]
.LP
red [-] [-sx] [-p \fIstring\fR] [\fIfile\fR]
.\" .LP
.\" red [-] [-sx] [-p \fIstring\fR] [\fIfile\fR]
.SH DESCRIPTION
.B ed
is a line-oriented text editor.
It is used to create, display, modify and otherwise manipulate text
files.
.B red
is a restricted
.BR ed :
it can only edit files in the current
directory and cannot execute shell commands.
.\" .B red
.\" is a restricted
.\" .BR ed :
.\" it can only edit files in the current
.\" directory and cannot execute shell commands.
If invoked with a
.I file

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@ -24,14 +24,15 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)$Id: ed.h,v 1.4 1993/12/15 15:22:02 alm Exp alm $
* @(#)ed.h,v 1.5 1994/02/01 00:34:39 alm Exp
*/
#include <sys/types.h>
#if defined(BSD) && BSD >= 199103 || defined(__386BSD__)
# include <sys/param.h> /* for MAXPATHLEN */
#endif
#include <errno.h>
#ifdef sun
#if defined(sun) || defined(__NetBSD__)
# include <limits.h>
#endif
#include <regex.h>
@ -166,17 +167,15 @@ if ((i) > (n)) { \
/* REQUE: link pred before succ */
#define REQUE(pred, succ) (pred)->q_forw = (succ), (succ)->q_back = (pred)
#ifdef NEED_INSQUE
/* insque: insert elem in circular queue after pred */
#define insque(elem, pred) \
/* INSQUE: insert elem in circular queue after pred */
#define INSQUE(elem, pred) \
{ \
REQUE((elem), (pred)->q_forw); \
REQUE((pred), elem); \
}
/* remque: remove_lines elem from circular queue */
#define remque(elem) REQUE((elem)->q_back, (elem)->q_forw);
#endif /* NEED_INSQUE */
/* REMQUE: remove_lines elem from circular queue */
#define REMQUE(elem) REQUE((elem)->q_back, (elem)->q_forw);
/* NUL_TO_NEWLINE: overwrite ASCII NULs with newlines */
#define NUL_TO_NEWLINE(s, l) translit_text(s, l, '\0', '\n')
@ -184,7 +183,7 @@ if ((i) > (n)) { \
/* NEWLINE_TO_NUL: overwrite newlines with ASCII NULs */
#define NEWLINE_TO_NUL(s, l) translit_text(s, l, '\n', '\0')
#ifndef strerror
#ifdef sun
# define strerror(n) sys_errlist[n]
#endif

223
bin/ed/glbl.c Normal file
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@ -0,0 +1,223 @@
/* glob.c: This file contains the global command routines for the ed line
editor */
/*-
* Copyright (c) 1993 Andrew Moore, Talke Studio.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef lint
static char *rcsid = "@(#)glob.c,v 1.1 1994/02/01 00:34:40 alm Exp";
#endif /* not lint */
#include <sys/ioctl.h>
#include <sys/wait.h>
#include "ed.h"
/* build_active_list: add line matching a pattern to the global-active list */
int
build_active_list(isgcmd)
int isgcmd;
{
pattern_t *pat;
line_t *lp;
long n;
char *s;
char delimiter;
if ((delimiter = *ibufp) == ' ' || delimiter == '\n') {
sprintf(errmsg, "invalid pattern delimiter");
return ERR;
} else if ((pat = get_compiled_pattern()) == NULL)
return ERR;
else if (*ibufp == delimiter)
ibufp++;
clear_active_list();
lp = get_addressed_line_node(first_addr);
for (n = first_addr; n <= second_addr; n++, lp = lp->q_forw) {
if ((s = get_sbuf_line(lp)) == NULL)
return ERR;
if (isbinary)
NUL_TO_NEWLINE(s, lp->len);
if (!regexec(pat, s, 0, NULL, 0) == isgcmd &&
set_active_node(lp) < 0)
return ERR;
}
return 0;
}
/* exec_global: apply command list in the command buffer to the active
lines in a range; return command status */
long
exec_global(interact, gflag)
int interact;
int gflag;
{
static char *ocmd = NULL;
static int ocmdsz = 0;
line_t *lp = NULL;
int status;
int n;
char *cmd = NULL;
#ifdef BACKWARDS
if (!interact)
if (!strcmp(ibufp, "\n"))
cmd = "p\n"; /* null cmd-list == `p' */
else if ((cmd = get_extended_line(&n, 0)) == NULL)
return ERR;
#else
if (!interact && (cmd = get_extended_line(&n, 0)) == NULL)
return ERR;
#endif
clear_undo_stack();
while ((lp = next_active_node()) != NULL) {
if ((current_addr = get_line_node_addr(lp)) < 0)
return ERR;
if (interact) {
/* print current_addr; get a command in global syntax */
if (display_lines(current_addr, current_addr, gflag) < 0)
return ERR;
while ((n = get_tty_line()) > 0 &&
ibuf[n - 1] != '\n')
clearerr(stdin);
if (n < 0)
return ERR;
else if (n == 0) {
sprintf(errmsg, "unexpected end-of-file");
return ERR;
} else if (n == 1 && !strcmp(ibuf, "\n"))
continue;
else if (n == 2 && !strcmp(ibuf, "&\n")) {
if (cmd == NULL) {
sprintf(errmsg, "no previous command");
return ERR;
} else cmd = ocmd;
} else if ((cmd = get_extended_line(&n, 0)) == NULL)
return ERR;
else {
REALLOC(ocmd, ocmdsz, n + 1, ERR);
memcpy(ocmd, cmd, n + 1);
cmd = ocmd;
}
}
ibufp = cmd;
for (; *ibufp;)
if ((status = extract_addr_range()) < 0 ||
(status = exec_command()) < 0 ||
status > 0 && (status = display_lines(
current_addr, current_addr, status)) < 0)
return status;
}
return 0;
}
line_t **active_list; /* list of lines active in a global command */
long active_last; /* index of last active line in active_list */
long active_size; /* size of active_list */
long active_ptr; /* active_list index (non-decreasing) */
long active_ndx; /* active_list index (modulo active_last) */
/* set_active_node: add a line node to the global-active list */
int
set_active_node(lp)
line_t *lp;
{
if (active_last + 1 > active_size) {
int ti = active_size;
line_t **ts;
SPL1();
#if defined(sun) || defined(NO_REALLOC_NULL)
if (active_list != NULL) {
#endif
if ((ts = (line_t **) realloc(active_list,
(ti += MINBUFSZ) * sizeof(line_t **))) == NULL) {
fprintf(stderr, "%s\n", strerror(errno));
sprintf(errmsg, "out of memory");
SPL0();
return ERR;
}
#if defined(sun) || defined(NO_REALLOC_NULL)
} else {
if ((ts = (line_t **) malloc((ti += MINBUFSZ) *
sizeof(line_t **))) == NULL) {
fprintf(stderr, "%s\n", strerror(errno));
sprintf(errmsg, "out of memory");
SPL0();
return ERR;
}
}
#endif
active_size = ti;
active_list = ts;
SPL0();
}
active_list[active_last++] = lp;
return 0;
}
/* unset_active_nodes: remove a range of lines from the global-active list */
void
unset_active_nodes(np, mp)
line_t *np, *mp;
{
line_t *lp;
long i;
for (lp = np; lp != mp; lp = lp->q_forw)
for (i = 0; i < active_last; i++)
if (active_list[active_ndx] == lp) {
active_list[active_ndx] = NULL;
active_ndx = INC_MOD(active_ndx, active_last - 1);
break;
} else active_ndx = INC_MOD(active_ndx, active_last - 1);
}
/* next_active_node: return the next global-active line node */
line_t *
next_active_node()
{
while (active_ptr < active_last && active_list[active_ptr] == NULL)
active_ptr++;
return (active_ptr < active_last) ? active_list[active_ptr++] : NULL;
}
/* clear_active_list: clear the global-active list */
void
clear_active_list()
{
SPL1();
active_size = active_last = active_ptr = active_ndx = 0;
free(active_list);
active_list = NULL;
SPL0();
}

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@ -26,7 +26,7 @@
*/
#ifndef lint
static char *rcsid = "@(#)$Id: io.c,v 1.3 1993/12/14 16:19:56 alm Exp $";
static char *rcsid = "@(#)io.c,v 1.1 1994/02/01 00:34:41 alm Exp";
#endif /* not lint */
#include "ed.h"

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@ -33,7 +33,7 @@ char *copyright =
#endif /* not lint */
#ifndef lint
static char *rcsid = "@(#)$Id: main.c,v 1.5 1993/12/15 15:22:02 alm Exp alm $";
static char *rcsid = "@(#)main.c,v 1.1 1994/02/01 00:34:42 alm Exp";
#endif /* not lint */
/*

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@ -27,7 +27,7 @@
*/
#ifndef lint
static char *rcsid = "@(#)$Id: re.c,v 1.2 1993/12/14 16:19:56 alm Exp $";
static char *rcsid = "@(#)re.c,v 1.6 1994/02/01 00:34:43 alm Exp";
#endif /* not lint */
#include "ed.h"

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@ -27,7 +27,7 @@
*/
#ifndef lint
static char *rcsid = "@(#)$Id: sub.c,v 1.3 1993/12/15 15:22:02 alm Exp alm $";
static char *rcsid = "@(#)sub.c,v 1.1 1994/02/01 00:34:44 alm Exp";
#endif /* not lint */
#include "ed.h"

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@ -26,7 +26,7 @@
*/
#ifndef lint
static char *rcsid = "@(#)$Id: undo.c,v 1.2 1993/12/14 16:19:56 alm Exp $";
static char *rcsid = "@(#)undo.c,v 1.1 1994/02/01 00:34:44 alm Exp";
#endif /* not lint */
#include "ed.h"