[PATCH] memset_s() and talloc_set_secure()

[Ralph Böhme]

Hi Andreas,

On Thu, Oct 11, 2018 at 12:17:55PM +0200, Andreas Schneider via samba-technical wrote:
>Please review and someone who knows how to change the version of talloc
>correctly, please push.

thanks a lot for looking into this!

>--- a/lib/replace/replace.h
>+++ b/lib/replace/replace.h
>@@ -925,6 +925,11 @@ void rep_setproctitle(const char *fmt, ...) PRINTF_ATTRIBUTE(1, 2);
> void rep_setproctitle_init(int argc, char *argv[], char *envp[]);
> #endif

this missised the define and check for __STDC_WANT_LIB_EXT1__ and 
__STDC_LIB_EXT1__ as pointed out or IRC.

>
>+#ifndef HAVE_MEMSET_S
>+#define memset_s rep_memset_s
>+int rep_memset_s(void *dest, size_t destsz, int ch, size_t count);
>+#endif
>+
> #ifndef FALL_THROUGH
> # ifdef HAVE_FALLTHROUGH_ATTRIBUTE
> #  define FALL_THROUGH __attribute__ ((fallthrough))
>diff --git a/lib/replace/wscript b/lib/replace/wscript
>index 8e2873424be..8adfffe9584 100644
>--- a/lib/replace/wscript
>+++ b/lib/replace/wscript
>@@ -195,6 +195,23 @@ def configure(conf):
>                         'socket nsl', checklibc=True,
>                         headers='sys/socket.h netinet/in.h arpa/inet.h netdb.h')
>
>+    conf.CHECK_FUNCS('memset_s memset_explicit')

dito. You don't get memset_s if you don't request it.

-slow

-- 
Ralph Boehme, Samba Team       https://samba.org/
Samba Developer, SerNet GmbH   https://sernet.de/en/samba/
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