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Add getlogin_r() check

This commit is contained in:
sin 2015-02-25 10:31:30 +00:00
parent d8afaf63d2
commit 816ad6764b
1 changed files with 13 additions and 0 deletions
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13
include/unistd.h
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@ -38,6 +38,17 @@ __fortify_gethostname(char *name, size_t len)
return gethostname(name, len);
}
static inline __attribute__ ((always_inline))
int
__fortify_getlogin_r(char *name, size_t len)
{
size_t bos = __builtin_object_size(name, 0);
if (len > bos)
__builtin_trap();
return getlogin_r(name, len);
}
static inline __attribute__ ((always_inline))
ssize_t
__fortify_pread(int fd, void *buf, size_t n, off_t offset)
@ -77,6 +88,8 @@ __fortify_write(int fd, const void *buf, size_t n)
#define getcwd(buf, len) __fortify_getcwd(buf, len)
#undef gethostname
#define gethostname(name, len) __fortify_gethostname(name, len)
#undef getlogin_r
#define getlogin_r(name, len) __fortify_getlogin_r(name, len)
#undef pread
#define pread(fd, buf, n, offset) __fortify_pread(fd, buf, n, offset)
#undef read