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DragonFlyBSD build fix and update.

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getentropy call is not supported however getrandom since the 5.7.x branch is.
current LTS stable is 5.8.

Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Paul Dale <paul.dale@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/13375)
This commit is contained in:
David Carlier 2020-11-11 10:01:22 +00:00 committed by Pauli
parent a04400fc74
commit 0bb450fe2f
1 changed files with 11 additions and 4 deletions
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9
providers/implementations/rands/seeding/rand_unix.c
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@ -36,7 +36,10 @@
#if defined(__OpenBSD__)
# include <sys/param.h>
#endif
#if defined(__DragonFly__)
# include <sys/param.h>
# include <sys/random.h>
#endif
/*
* Provide a compile time error if the FIPS module is being built and none
* of the supported entropy sources are available.
@ -380,6 +383,7 @@ static ssize_t syscall_random(void *buf, size_t buflen)
* Note: Sometimes getentropy() can be provided but not implemented
* internally. So we need to check errno for ENOSYS
*/
# if !defined(__DragonFly__)
# if defined(__GNUC__) && __GNUC__>=2 && defined(__ELF__) && !defined(__hpux)
extern int getentropy(void *buffer, size_t length) __attribute__((weak));
@ -405,12 +409,15 @@ static ssize_t syscall_random(void *buf, size_t buflen)
if (p_getentropy.p != NULL)
return p_getentropy.f(buf, buflen) == 0 ? (ssize_t)buflen : -1;
# endif
# endif /* !__DragonFly__ */
/* Linux supports this since version 3.17 */
# if defined(__linux) && defined(__NR_getrandom)
return syscall(__NR_getrandom, buf, buflen, 0);
# elif (defined(__FreeBSD__) || defined(__NetBSD__)) && defined(KERN_ARND)
return sysctl_random(buf, buflen);
# elif (defined(__DragonFly__) && __DragonFly_version >= 500700)
return getrandom(buf, buflen, 0);
# else
errno = ENOSYS;
return -1;