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* win32/dir.h, win32/win32.c (rb_w32_opendir, rb_w32_readdir,

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rb_w32_closedir): get rid of possible buffer-overflows.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@12089 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
usa 2007-03-17 23:42:00 +00:00
parent 966a25465a
commit f3cde2b5fb
4 changed files with 23 additions and 12 deletions
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5
ChangeLog
View file

@ -1,3 +1,8 @@
Sun Mar 18 08:31:51 2007 NAKAMURA Usaku <usa@ruby-lang.org>
* win32/dir.h, win32/win32.c (rb_w32_opendir, rb_w32_readdir,
rb_w32_closedir): get rid of possible buffer-overflows.
Sat Mar 17 19:10:39 2007 Kouhei Sutou <kou@cozmixng.org>
* lib/rss, test/rss:

6
version.h
View file

@ -1,7 +1,7 @@
#define RUBY_VERSION "1.9.0"
#define RUBY_RELEASE_DATE "2007-03-17"
#define RUBY_RELEASE_DATE "2007-03-18"
#define RUBY_VERSION_CODE 190
#define RUBY_RELEASE_CODE 20070317
#define RUBY_RELEASE_CODE 20070318
#define RUBY_PATCHLEVEL 0
#define RUBY_VERSION_MAJOR 1
@ -9,7 +9,7 @@
#define RUBY_VERSION_TEENY 0
#define RUBY_RELEASE_YEAR 2007
#define RUBY_RELEASE_MONTH 3
#define RUBY_RELEASE_DAY 17
#define RUBY_RELEASE_DAY 18
RUBY_EXTERN const char ruby_version[];
RUBY_EXTERN const char ruby_release_date[];

2
win32/dir.h
View file

@ -12,7 +12,7 @@ struct direct
{
long d_namlen;
ino_t d_ino;
char d_name[256];
char *d_name;
char d_isdir; /* directory */
char d_isrep; /* reparse point */
};

22
win32/win32.c
View file

@ -1084,7 +1084,7 @@ cmdglob(NtCmdLineElement *patt, NtCmdLineElement **tail)
if (patt->len >= MAXPATHLEN)
if (!(buf = malloc(patt->len + 1))) return 0;
strncpy (buf, patt->str, patt->len);
strncpy(buf, patt->str, patt->len);
buf[patt->len] = '\0';
for (p = buf; *p; p = CharNext(p))
if (*p == '\\')
@ -1373,7 +1373,7 @@ rb_w32_cmdvector(const char *cmd, char ***vec)
ptr = buffer + (elements+1) * sizeof(char *);
while (curr = cmdhead) {
strncpy (ptr, curr->str, curr->len);
strncpy(ptr, curr->str, curr->len);
ptr[curr->len] = '\0';
*vptr++ = ptr;
ptr += curr->len + 1;
@ -1409,8 +1409,7 @@ rb_w32_opendir(const char *filename)
DIR *p;
long len;
long idx;
char scannamespc[PATHLEN];
char *scanname = scannamespc;
char *scanname;
struct stati64 sbuf;
WIN32_FIND_DATA fd;
HANDLE fh;
@ -1432,14 +1431,17 @@ rb_w32_opendir(const char *filename)
// Get us a DIR structure
//
p = xcalloc(sizeof(DIR), 1);
p = calloc(sizeof(DIR), 1);
if (p == NULL)
return NULL;
//
// Create the search pattern
//
if (!(scanname = malloc(strlen(filename) + 2 + 1))) {
free(p);
return NULL;
}
strcpy(scanname, filename);
if (index("/\\:", *CharPrev(scanname, scanname + strlen(scanname))) == NULL)
@ -1452,6 +1454,7 @@ rb_w32_opendir(const char *filename)
//
fh = FindFirstFile(scanname, &fd);
free(scanname);
if (fh == INVALID_HANDLE_VALUE) {
errno = map_errno(GetLastError());
free(p);
@ -1553,9 +1556,10 @@ rb_w32_readdir(DIR *dirp)
//
// first set up the structure to return
//
strcpy(dirp->dirstr.d_name, dirp->curr);
dirp->dirstr.d_namlen = strlen(dirp->curr);
if (!(dirp->dirstr.d_name = malloc(dirp->dirstr.d_namlen + 1)))
return NULL;
strcpy(dirp->dirstr.d_name, dirp->curr);
//
// Fake inode
@ -1622,6 +1626,8 @@ rb_w32_rewinddir(DIR *dirp)
void
rb_w32_closedir(DIR *dirp)
{
if (dirp->dirstr.d_name)
free(dirp->dirstr.d_name);
free(dirp->start);
free(dirp->bits);
free(dirp);