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Add getdomainname() check

This commit is contained in:
sin 2015-02-28 11:52:02 +00:00
parent 74ab284496
commit 60a7076816
1 changed files with 19 additions and 0 deletions
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19
include/unistd.h
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@ -27,6 +27,19 @@ __fortify_getcwd(char *buf, size_t len)
return getcwd(buf, len);
}
#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
static inline __attribute__ ((always_inline))
int
__fortify_getdomainname(char *name, size_t len)
{
size_t bos = __builtin_object_size(name, 0);
if (len > bos)
__builtin_trap();
return getdomainname(name, len);
}
#endif
static inline __attribute__ ((always_inline))
int
__fortify_gethostname(char *name, size_t len)
@ -86,6 +99,12 @@ __fortify_write(int fd, const void *buf, size_t n)
#define confstr(name, buf, len) __fortify_confstr(name, buf, len)
#undef getcwd
#define getcwd(buf, len) __fortify_getcwd(buf, len)
#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
#undef getdomainname
#define getdomainname(name, len) __fortify_getdomainname(name, len)
#endif
#undef gethostname
#define gethostname(name, len) __fortify_gethostname(name, len)
#undef getlogin_r