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Code Issues Releases Activity

Major Ooops. I've overlooked a few calls to scanident() in my last commit.

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Submitted by:	rbezuide@oskar.nanoteq.co.za (Reinier Bezuidenhout)
This commit is contained in:
Joerg Wunsch 1997-08-27 17:18:30 +00:00
parent eb8eee5a55
commit bc151cdc8c
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=28837
1 changed files with 15 additions and 9 deletions
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24
gnu/usr.bin/perl/perl/toke.c
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@ -1,4 +1,4 @@
/* $RCSfile: toke.c,v $$Revision: 1.2 $$Date: 1995/05/30 05:03:26 $
/* $RCSfile: toke.c,v $$Revision: 1.3 $$Date: 1997/08/08 20:53:59 $
*
* Copyright (c) 1991, Larry Wall
*
@ -6,6 +6,12 @@
* License or the Artistic License, as specified in the README file.
*
* $Log: toke.c,v $
* Revision 1.3 1997/08/08 20:53:59 joerg
* Fix a buffer overflow condition (that causes a security hole in suidperl).
*
* Closes: CERT Advisory CA-97.17 - Vulnerability in suidperl
* Obtained from: (partly) the fix in CA-97.17
*
* Revision 1.2 1995/05/30 05:03:26 rgrimes
* Remove trailing whitespace.
*
@ -1767,17 +1773,17 @@ register char *s;
arg->arg_type = O_ITEM;
arg[1].arg_type = A_DOUBLE;
arg[1].arg_ptr.arg_str = str_smake(str);
d = scanident(d,bufend,buf);
d = scanident(d,bufend,buf,sizeof buf);
(void)stabent(buf,TRUE); /* make sure it's created */
for (; d < e; d++) {
if (*d == '\\')
d++;
else if (*d == '$' && d[1] && d[1] != '|' && d[1] != ')') {
d = scanident(d,bufend,buf);
d = scanident(d,bufend,buf,sizeof buf);
(void)stabent(buf,TRUE);
}
else if (*d == '@') {
d = scanident(d,bufend,buf);
d = scanident(d,bufend,buf,sizeof buf);
if (strEQ(buf,"ARGV") || strEQ(buf,"ENV") ||
strEQ(buf,"SIG") || strEQ(buf,"INC"))
(void)stabent(buf,TRUE);
@ -1851,15 +1857,15 @@ char *start;
arg->arg_type = O_ITEM;
arg[1].arg_type = A_DOUBLE;
arg[1].arg_ptr.arg_str = str_smake(str);
d = scanident(d,e,buf);
d = scanident(d,e,buf,sizeof buf);
(void)stabent(buf,TRUE); /* make sure it's created */
for (; *d; d++) {
if (*d == '$' && d[1] && d[-1] != '\\' && d[1] != '|') {
d = scanident(d,e,buf);
d = scanident(d,e,buf,sizeof buf);
(void)stabent(buf,TRUE);
}
else if (*d == '@' && d[-1] != '\\') {
d = scanident(d,e,buf);
d = scanident(d,e,buf,sizeof buf);
if (strEQ(buf,"ARGV") || strEQ(buf,"ENV") ||
strEQ(buf,"SIG") || strEQ(buf,"INC"))
(void)stabent(buf,TRUE);
@ -2454,7 +2460,7 @@ int in_what;
(*s == '@' && s+1 < send) ) {
if (s[1] == '#' && (isALPHA(s[2]) || s[2] == '_'))
*d++ = *s++;
len = scanident(s,send,tokenbuf) - s;
len = scanident(s,send,tokenbuf,sizeof tokenbuf) - s;
if (*s == '$' || strEQ(tokenbuf,"ARGV")
|| strEQ(tokenbuf,"ENV")
|| strEQ(tokenbuf,"SIG")
@ -2736,7 +2742,7 @@ load_format()
case '$':
str_ncat(str, t, s - t);
t = s;
s = scanident(s,eol,tokenbuf);
s = scanident(s,eol,tokenbuf,sizeof tokenbuf);
str_ncat(str, t, s - t);
t = s;
if (s < eol && *s && index("$'\"",*s))