#include #include #include #include #include "rnd.h" #include "die.h" #include "ioexact.h" #include "ioops.h" static int fdw = -1; static void randombytes_weak(unsigned char *x, size_t xlen) { int ret; if (fdw == -1) { for (;;) { fdw = open(LOW_ENTROPY_SOURCE, O_RDONLY); if (fdw != -1) break; sleep(1); } } while (xlen > 0) { if (xlen < 1048576) ret = xlen; else ret = 1048576; ret = read(fdw, x, ret); if (ret < 1) { sleep(1); continue; } x += ret; xlen -= ret; } } static void randombytes_strong(unsigned char *x, size_t xlen) { int fds, ret; fds = open_or_die(HIG_ENTROPY_SOURCE, O_RDONLY); ret = read_exact(fds, x, xlen, 0); if (ret != (int) xlen) panic("Error reading from entropy source!\n"); close(fds); } int secrand(void) { int ret; randombytes_weak((void *) &ret, sizeof(ret)); return ret; } void gen_key_bytes(unsigned char *area, size_t len) { randombytes_strong(area, len); } submit();'> net-next plumbingsTobias Klauser

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author	Fabian Frederick <fabf@skynet.be>	2014-06-03 22:05:10 +0200
committer	Eric Paris <eparis@redhat.com>	2014-09-23 16:37:51 -0400
commit	6eed9b261334932c742458edd64b7b9fd0b981a9 (patch)
tree	dffe858ac17b9740a16e901a6a913d9001f42bd9
parent	691e6d59d2b6cdb4595e5f626503a1c9e98b8baf (diff)

kernel/audit.c: use ARRAY_SIZE instead of sizeof/sizeof[0]

Use kernel.h definition. Cc: Eric Paris <eparis@redhat.com> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: Richard Guy Briggs <rgb@redhat.com>