changeset 345:959c66ccf1b5 debug-unrandom

Remove actual randomness, to (hopefully) allow comparison between hosts
author Matt Johnston <matt@ucc.asn.au>
date Fri, 04 Aug 2006 17:15:05 +0000
parents bf29e6659fb9
children ed24dfc44904
files random.c
diffstat 1 files changed, 0 insertions(+), 36 deletions(-) [+]
line wrap: on
line diff
--- a/random.c	Thu Jul 27 01:24:39 2006 +0000
+++ b/random.c	Fri Aug 04 17:15:05 2006 +0000
@@ -93,35 +93,6 @@
 #endif
 
 	/* read the actual random data */
-	readpos = 0;
-	do {
-		if (!already_blocked)
-		{
-			int ret;
-			struct timeval timeout;
-			fd_set read_fds;
-
-			timeout.tv_sec = 2; /* two seconds should be enough */
-			timeout.tv_usec = 0;
-
-			FD_ZERO(&read_fds);
-			FD_SET(readfd, &read_fds);
-			ret = select(readfd + 1, &read_fds, NULL, NULL, &timeout);
-			if (ret == 0)
-			{
-				dropbear_log(LOG_INFO, "Warning: Reading the random source seems to have blocked.\nIf you experience problems, you probably need to find a better entropy source.");
-				already_blocked = 1;
-			}
-		}
-		readlen = read(readfd, &buf[readpos], buflen - readpos);
-		if (readlen <= 0) {
-			if (readlen < 0 && errno == EINTR) {
-				continue;
-			}
-			dropbear_exit("error reading random source");
-		}
-		readpos += readlen;
-	} while (readpos < buflen);
 
 	close (readfd);
 }
@@ -157,21 +128,14 @@
  * the random pools for fork()ed processes. */
 void reseedrandom() {
 
-	pid_t pid;
 	hash_state hs;
-	struct timeval tv;
 
 	if (!donerandinit) {
 		dropbear_exit("seedrandom not done");
 	}
 
-	pid = getpid();
-	gettimeofday(&tv, NULL);
-
 	sha1_init(&hs);
 	sha1_process(&hs, (void*)hashpool, sizeof(hashpool));
-	sha1_process(&hs, (void*)&pid, sizeof(pid));
-	sha1_process(&hs, (void*)&tv, sizeof(tv));
 	sha1_done(&hs, hashpool);
 }