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Now that we own the code, use arc4random(3) unconditionally

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and remove the corresponding HAVE_ARC4RANDOM conditions.

MFC after:	2 weeks
This commit is contained in:
Xin LI 2015-10-06 23:42:58 +00:00
parent e72879e554
commit 56160b2e67
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=288963
5 changed files with 1 additions and 29 deletions
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2
sbin/rtsol/Makefile
View File

@ -21,6 +21,6 @@ SRCS= rtsold.c rtsol.c if.c probe.c dump.c rtsock.c
MAN=
WARNS?= 3
CFLAGS+= -DHAVE_ARC4RANDOM -DSMALL
CFLAGS+= -DSMALL
.include <bsd.prog.mk>

2
usr.sbin/rtadvd/Makefile
View File

@ -21,8 +21,6 @@ SRCS= rtadvd.c rrenum.c advcap.c if.c config.c timer.c timer_subr.c \
LIBADD= util
CFLAGS+= -DHAVE_ARC4RANDOM
WARNS?= 1
.include <bsd.prog.mk>

17
usr.sbin/rtadvd/rtadvd.c
View File

@ -241,14 +241,6 @@ main(int argc, char *argv[])
/* timer initialization */
rtadvd_timer_init();
#ifndef HAVE_ARC4RANDOM
/* random value initialization */
#ifdef __FreeBSD__
srandomdev();
#else
srandom((unsigned long)time(NULL));
#endif
#endif
pfh = pidfile_open(pidfilename, 0600, &otherpid);
if (pfh == NULL) {
if (errno == EEXIST)
@ -1015,11 +1007,7 @@ set_short_delay(struct ifinfo *ifi)
* delay and send the advertisement at the
* already-scheduled time. RFC 4861 6.2.6
*/
#ifdef HAVE_ARC4RANDOM
delay = arc4random_uniform(MAX_RA_DELAY_TIME);
#else
delay = random() % MAX_RA_DELAY_TIME;
#endif
interval.tv_sec = 0;
interval.tv_nsec = delay * 1000;
rest = rtadvd_timer_rest(ifi->ifi_ra_timer);
@ -1893,13 +1881,8 @@ ra_timer_update(void *arg, struct timespec *tm)
* MaxRtrAdvInterval (RFC4861 6.2.4).
*/
interval = rai->rai_mininterval;
#ifdef HAVE_ARC4RANDOM
interval += arc4random_uniform(rai->rai_maxinterval -
rai->rai_mininterval);
#else
interval += random() % (rai->rai_maxinterval -
rai->rai_mininterval);
#endif
break;
case IFI_STATE_TRANSITIVE:
/*

1
usr.sbin/rtsold/Makefile
View File

@ -20,6 +20,5 @@ MLINKS= rtsold.8 rtsol.8
SRCS= rtsold.c rtsol.c if.c probe.c dump.c rtsock.c
WARNS?= 3
CFLAGS+= -DHAVE_ARC4RANDOM
.include <bsd.prog.mk>

8
usr.sbin/rtsold/rtsold.c
View File

@ -214,10 +214,6 @@ main(int argc, char **argv)
errx(1, "pid filename (%s) must be an absolute path",
pidfilename);
}
#ifndef HAVE_ARC4RANDOM
/* random value initialization */
srandom((u_long)time(NULL));
#endif
#if (__FreeBSD_version < 900000)
if (Fflag) {
@ -725,11 +721,7 @@ rtsol_timer_update(struct ifinfo *ifi)
ifi->timer = tm_max; /* stop timer(valid?) */
break;
case IFS_DELAY:
#ifndef HAVE_ARC4RANDOM
interval = random() % (MAX_RTR_SOLICITATION_DELAY * MILLION);
#else
interval = arc4random_uniform(MAX_RTR_SOLICITATION_DELAY * MILLION);
#endif
ifi->timer.tv_sec = interval / MILLION;
ifi->timer.tv_nsec = (interval % MILLION) * 1000;
break;