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authorDamien Miller <djm@mindrot.org>2001-03-30 10:23:17 +1000
committerDamien Miller <djm@mindrot.org>2001-03-30 10:23:17 +1000
commitd8f72ca6d5c8234699fc2c49b56837de554b2cf6 (patch)
tree3c689be6ebc37eb06ee37e5721a06499649a0dcf
parent7de696e798c96240f9ae5c345084a008e9bed096 (diff)
- (djm) Another openbsd-compat/glob.c sync
-rw-r--r--ChangeLog5
-rw-r--r--openbsd-compat/glob.c85
2 files changed, 60 insertions, 30 deletions
diff --git a/ChangeLog b/ChangeLog
index 79c4953a..f2302116 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,6 @@
+20010330
+ - (djm) Another openbsd-compat/glob.c sync
+
20010329
- OpenBSD CVS Sync
- stevesk@cvs.openbsd.org 2001/03/26 15:47:59
@@ -4767,4 +4770,4 @@
- Wrote replacements for strlcpy and mkdtemp
- Released 1.0pre1
-$Id: ChangeLog,v 1.1034 2001/03/29 00:45:12 mouring Exp $
+$Id: ChangeLog,v 1.1035 2001/03/30 00:23:17 djm Exp $
diff --git a/openbsd-compat/glob.c b/openbsd-compat/glob.c
index cca819de..677a8a10 100644
--- a/openbsd-compat/glob.c
+++ b/openbsd-compat/glob.c
@@ -56,7 +56,7 @@ get_arg_max()
#if 0
static char sccsid[] = "@(#)glob.c 8.3 (Berkeley) 10/13/93";
#else
-static char rcsid[] = "$OpenBSD: glob.c,v 1.13 2001/03/28 08:00:00 deraadt Exp $";
+static char rcsid[] = "$OpenBSD: glob.c,v 1.14 2001/03/28 20:54:19 millert Exp $";
#endif
#endif /* LIBC_SCCS and not lint */
@@ -143,10 +143,11 @@ static DIR *g_opendir __P((Char *, glob_t *));
static Char *g_strchr __P((Char *, int));
static int g_stat __P((Char *, struct stat *, glob_t *));
static int glob0 __P((const Char *, glob_t *));
-static int glob1 __P((Char *, glob_t *, size_t *));
-static int glob2 __P((Char *, Char *, Char *, glob_t *, size_t *));
-static int glob3 __P((Char *, Char *, Char *, Char *, glob_t *,
- size_t *));
+static int glob1 __P((Char *, Char *, glob_t *, size_t *));
+static int glob2 __P((Char *, Char *, Char *, Char *, Char *, Char *,
+ glob_t *, size_t *));
+static int glob3 __P((Char *, Char *, Char *, Char *, Char *, Char *,
+ Char *, Char *, glob_t *, size_t *));
static int globextend __P((const Char *, glob_t *, size_t *));
static const Char *
globtilde __P((const Char *, Char *, size_t, glob_t *));
@@ -165,7 +166,7 @@ glob(pattern, flags, errfunc, pglob)
{
const u_char *patnext;
int c;
- Char *bufnext, *bufend, patbuf[MAXPATHLEN+1];
+ Char *bufnext, *bufend, patbuf[MAXPATHLEN];
patnext = (u_char *) pattern;
if (!(flags & GLOB_APPEND)) {
@@ -179,7 +180,7 @@ glob(pattern, flags, errfunc, pglob)
pglob->gl_matchc = 0;
bufnext = patbuf;
- bufend = bufnext + MAXPATHLEN;
+ bufend = bufnext + MAXPATHLEN - 1;
if (flags & GLOB_NOESCAPE)
while (bufnext < bufend && (c = *patnext++) != EOS)
*bufnext++ = c;
@@ -209,7 +210,8 @@ glob(pattern, flags, errfunc, pglob)
* invoke the standard globbing routine to glob the rest of the magic
* characters
*/
-static int globexp1(pattern, pglob)
+static int
+globexp1(pattern, pglob)
const Char *pattern;
glob_t *pglob;
{
@@ -233,7 +235,8 @@ static int globexp1(pattern, pglob)
* If it succeeds then it invokes globexp1 with the new pattern.
* If it fails then it tries to glob the rest of the pattern and returns.
*/
-static int globexp2(ptr, pattern, pglob, rv)
+static int
+globexp2(ptr, pattern, pglob, rv)
const Char *ptr, *pattern;
glob_t *pglob;
int *rv;
@@ -241,11 +244,12 @@ static int globexp2(ptr, pattern, pglob, rv)
int i;
Char *lm, *ls;
const Char *pe, *pm, *pl;
- Char patbuf[MAXPATHLEN + 1];
+ Char patbuf[MAXPATHLEN];
/* copy part up to the brace */
for (lm = patbuf, pm = pattern; pm != ptr; *lm++ = *pm++)
continue;
+ *lm = EOS;
ls = lm;
/* Find the balanced brace */
@@ -414,11 +418,10 @@ glob0(pattern, pglob)
{
const Char *qpatnext;
int c, err, oldpathc;
- Char *bufnext, patbuf[MAXPATHLEN+1];
+ Char *bufnext, patbuf[MAXPATHLEN];
size_t limit = 0;
- qpatnext = globtilde(pattern, patbuf, sizeof(patbuf) / sizeof(Char),
- pglob);
+ qpatnext = globtilde(pattern, patbuf, MAXPATHLEN, pglob);
oldpathc = pglob->gl_pathc;
bufnext = patbuf;
@@ -474,7 +477,7 @@ glob0(pattern, pglob)
qprintf("glob0:", patbuf);
#endif
- if ((err = glob1(patbuf, pglob, &limit)) != 0)
+ if ((err = glob1(patbuf, patbuf+MAXPATHLEN-1, pglob, &limit)) != 0)
return(err);
/*
@@ -505,17 +508,19 @@ compare(p, q)
}
static int
-glob1(pattern, pglob, limitp)
- Char *pattern;
+glob1(pattern, pattern_last, pglob, limitp)
+ Char *pattern, *pattern_last;
glob_t *pglob;
size_t *limitp;
{
- Char pathbuf[MAXPATHLEN+1];
+ Char pathbuf[MAXPATHLEN];
/* A null pathname is invalid -- POSIX 1003.1 sect. 2.4. */
if (*pattern == EOS)
return(0);
- return(glob2(pathbuf, pathbuf, pattern, pglob, limitp));
+ return(glob2(pathbuf, pathbuf+MAXPATHLEN-1,
+ pathbuf, pathbuf+MAXPATHLEN-1,
+ pattern, pattern_last, pglob, limitp));
}
/*
@@ -524,8 +529,10 @@ glob1(pattern, pglob, limitp)
* meta characters.
*/
static int
-glob2(pathbuf, pathend, pattern, pglob, limitp)
- Char *pathbuf, *pathend, *pattern;
+glob2(pathbuf, pathbuf_last, pathend, pathend_last, pattern,
+ pattern_last, pglob, limitp)
+ Char *pathbuf, *pathbuf_last, *pathend, *pathend_last;
+ Char *pattern, *pattern_last;
glob_t *pglob;
size_t *limitp;
{
@@ -548,6 +555,8 @@ glob2(pathbuf, pathend, pattern, pglob, limitp)
(S_ISLNK(sb.st_mode) &&
(g_stat(pathbuf, &sb, pglob) == 0) &&
S_ISDIR(sb.st_mode)))) {
+ if (pathend+1 > pathend_last)
+ return (1);
*pathend++ = SEP;
*pathend = EOS;
}
@@ -561,25 +570,33 @@ glob2(pathbuf, pathend, pattern, pglob, limitp)
while (*p != EOS && *p != SEP) {
if (ismeta(*p))
anymeta = 1;
+ if (q+1 > pathend_last)
+ return (1);
*q++ = *p++;
}
if (!anymeta) { /* No expansion, do next segment. */
pathend = q;
pattern = p;
- while (*pattern == SEP)
+ while (*pattern == SEP) {
+ if (pathend+1 > pathend_last)
+ return (1);
*pathend++ = *pattern++;
+ }
} else
/* Need expansion, recurse. */
- return(glob3(pathbuf, pathend, pattern, p, pglob,
- limitp));
+ return(glob3(pathbuf, pathbuf_last, pathend,
+ pathend_last, pattern, pattern_last,
+ p, pattern_last, pglob, limitp));
}
/* NOTREACHED */
}
static int
-glob3(pathbuf, pathend, pattern, restpattern, pglob, limitp)
- Char *pathbuf, *pathend, *pattern, *restpattern;
+glob3(pathbuf, pathbuf_last, pathend, pathend_last, pattern, pattern_last,
+ restpattern, restpattern_last, pglob, limitp)
+ Char *pathbuf, *pathbuf_last, *pathend, *pathend_last;
+ Char *pattern, *pattern_last, *restpattern, *restpattern_last;
glob_t *pglob;
size_t *limitp;
{
@@ -596,6 +613,8 @@ glob3(pathbuf, pathend, pattern, restpattern, pglob, limitp)
*/
struct dirent *(*readdirfunc)();
+ if (pathend > pathend_last)
+ return (1);
*pathend = EOS;
errno = 0;
@@ -625,14 +644,22 @@ glob3(pathbuf, pathend, pattern, restpattern, pglob, limitp)
/* Initial DOT must be matched literally. */
if (dp->d_name[0] == DOT && *pattern != DOT)
continue;
- for (sc = (u_char *) dp->d_name, dc = pathend;
- (*dc++ = *sc++) != EOS;)
- continue;
+ dc = pathend;
+ sc = (u_char *) dp->d_name;
+ while (dc < pathend_last && (*dc++ = *sc++) != EOS)
+ ;
+ if (dc >= pathend_last) {
+ *dc = EOS;
+ err = 1;
+ break;
+ }
+
if (!match(pathend, pattern, restpattern)) {
*pathend = EOS;
continue;
}
- err = glob2(pathbuf, --dc, restpattern, pglob, limitp);
+ err = glob2(pathbuf, pathbuf_last, --dc, pathend_last,
+ restpattern, restpattern_last, pglob, limitp);
if (err)
break;
}