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ssp: add Object Size Checking for unistd.h, part 2 

Signed-off-by: Yaakov Selkowitz <yselkowi@redhat.com>
This commit is contained in:
Yaakov Selkowitz 2017-11-30 15:38:15 -06:00
parent 10b57ba8d0
commit 8ba0bbb913
2 changed files with 44 additions and 3 deletions
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44
newlib/libc/include/ssp/unistd.h
View File

@ -36,6 +36,40 @@
#if __SSP_FORTIFY_LEVEL > 0
__BEGIN_DECLS
#if __POSIX_VISIBLE >= 199209
__ssp_redirect(size_t, confstr, (int __name, char *__buf, size_t __len), \
(__name, __buf, __len));
#endif
__ssp_redirect_raw(char *, getcwd, (char *__buf, size_t __len),
(__buf, __len), __buf != 0, __ssp_bos);
#if __BSD_VISIBLE || (__XSI_VISIBLE && __XSI_VISIBLE < 500)
__ssp_redirect(int, getdomainname, (char *__buf, size_t __len), \
(__buf, __len));
#endif
__ssp_decl(int, getgroups, (int __n, gid_t __buf[]))
{
__ssp_check(__buf, __n * sizeof(gid_t), __ssp_bos);
return __ssp_real_getgroups (__n, __buf);
}
#if __BSD_VISIBLE || __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE >= 500
#if !(defined (_WINSOCK_H) || defined (_WINSOCKAPI_) || defined (__USE_W32_SOCKETS))
__ssp_redirect(int, gethostname, (char *__buf, size_t __len), \
(__buf, __len));
#endif
#endif
__ssp_redirect(int, getlogin_r, (char *__buf, size_t __len), \
(__buf, __len));
#if __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE >= 500
__ssp_redirect0(ssize_t, pread, (int __fd, void *__buf, size_t __len, off_t __off), \
(__fd, __buf, __len, __off));
#endif
__ssp_redirect0(_READ_WRITE_RETURN_TYPE, read, \
(int __fd, void *__buf, size_t __len), (__fd, __buf, __len));
@ -44,8 +78,14 @@ __ssp_redirect(ssize_t, readlink, (const char *__restrict __path, \
char *__restrict __buf, size_t __len), (__path, __buf, __len));
#endif
__ssp_redirect_raw(char *, getcwd, (char *__buf, size_t __len),
(__buf, __len), __buf != 0, __ssp_bos);
#if __ATFILE_VISIBLE
__ssp_redirect(ssize_t, readlinkat, \
(int __dirfd1, const char *__restrict __path, char *__restrict __buf, size_t __len), \
(__dirfd1, __path, __buf, __len));
#endif
__ssp_redirect(int, ttyname_r, (int __fd, char *__buf, size_t __len), \
(__fd, __buf, __len));
__END_DECLS

3
newlib/libc/ssp/ssp.tex
View File

@ -43,6 +43,7 @@ fread snprintf vsprintf
mbstowcs wcstombs wctomb
@exdent @emph{System functions:}
getcwd read readlink
getcwd read ttyname_r
pread readlink
@end example