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genrand: Slightly simplify do_reseed

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The only caller set "use_fd" to "true".

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>

Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Fri Jun 14 20:29:56 CEST 2013 on sn-devel-104
This commit is contained in:
Volker Lendecke 2013-06-13 21:55:43 +02:00 committed by Jeremy Allison
parent dd0e38b5fe
commit c71d6ecbcb
1 changed files with 11 additions and 13 deletions
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24
lib/util/genrand.c
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@ -163,25 +163,23 @@ static void do_filehash(const char *fname, unsigned char *the_hash)
above...
**************************************************************/
static int do_reseed(bool use_fd, int fd)
static int do_reseed(int fd)
{
unsigned char seed_inbuf[40];
uint32_t v1, v2; struct timeval tval; pid_t mypid;
int reseed_data = 0;
if (use_fd) {
if (fd == -1) {
fd = open( "/dev/urandom", O_RDONLY,0);
if (fd != -1) {
smb_set_close_on_exec(fd);
}
}
if (fd != -1
&& (read(fd, seed_inbuf, sizeof(seed_inbuf)) == sizeof(seed_inbuf))) {
seed_random_stream(seed_inbuf, sizeof(seed_inbuf));
return fd;
if (fd == -1) {
fd = open( "/dev/urandom", O_RDONLY,0);
if (fd != -1) {
smb_set_close_on_exec(fd);
}
}
if (fd != -1
&& (read(fd, seed_inbuf, sizeof(seed_inbuf)) == sizeof(seed_inbuf))) {
seed_random_stream(seed_inbuf, sizeof(seed_inbuf));
return fd;
}
/* Add in some secret file contents */
@ -244,7 +242,7 @@ _PUBLIC_ void generate_random_buffer(uint8_t *out, int len)
}
}
urand_fd = do_reseed(true, urand_fd);
urand_fd = do_reseed(urand_fd);
done_reseed = true;
}