import OpenSSL-1.0.0a

1 files changed, 66 insertions, 5 deletions

diff --git a/src/lib/libcrypto/rand/rand_unix.c b/src/lib/libcrypto/rand/rand_unix.c
index 71b98ec212..e9ead3a529 100644
--- a/src/lib/libcrypto/rand/rand_unix.c
+++ b/src/lib/libcrypto/rand/rand_unix.c
@@ -133,7 +133,50 @@
 # define FD_SETSIZE (8*sizeof(fd_set))
 #endif
 
-#ifdef __OpenBSD__
+#ifdef __VOS__
+int RAND_poll(void)
+{
+        unsigned char buf[ENTROPY_NEEDED];
+        pid_t curr_pid;
+        uid_t curr_uid;
+        static int first=1;
+        int i;
+        long rnd = 0;
+        struct timespec ts;
+        unsigned seed;
+
+/* The VOS random() function starts from a static seed so its
+   initial value is predictable.  If random() returns the
+   initial value, reseed it with dynamic data.  The VOS
+   real-time clock has a granularity of 1 nsec so it should be
+   reasonably difficult to predict its exact value.  Do not
+   gratuitously reseed the PRNG because other code in this
+   process or thread may be using it.  */
+
+        if (first) {
+                first = 0;
+                rnd = random ();
+                if (rnd == 1804289383) {
+                        clock_gettime (CLOCK_REALTIME, &ts);
+                        curr_pid = getpid();
+                        curr_uid = getuid();
+                        seed = ts.tv_sec ^ ts.tv_nsec ^ curr_pid ^ curr_uid;
+                        srandom (seed);
+                }
+        }
+
+        for (i = 0; i < sizeof(buf); i++) {
+                if (i % 4 == 0)
+                        rnd = random();
+                buf[i] = rnd;
+                rnd >>= 8;
+        }
+        RAND_add(buf, sizeof(buf), ENTROPY_NEEDED);
+        memset(buf, 0, sizeof(buf));
+
+        return 1;
+}
+#elif defined __OpenBSD__
 int RAND_poll(void)
 {
         u_int32_t rnd = 0, i;
@@ -163,7 +206,7 @@ int RAND_poll(void)
         static const char *randomfiles[] = { DEVRANDOM };
         struct stat randomstats[sizeof(randomfiles)/sizeof(randomfiles[0])];
         int fd;
-        size_t i;
+        unsigned int i;
 #endif
 #ifdef DEVRANDOM_EGD
         static const char *egdsockets[] = { DEVRANDOM_EGD, NULL };
@@ -176,7 +219,8 @@ int RAND_poll(void)
          * have this. Use /dev/urandom if you can as /dev/random may block
          * if it runs out of random entries.  */
 
-        for (i=0; i<sizeof(randomfiles)/sizeof(randomfiles[0]) && n < ENTROPY_NEEDED; i++)
+        for (i = 0; (i < sizeof(randomfiles)/sizeof(randomfiles[0])) &&
+                        (n < ENTROPY_NEEDED); i++)
                 {
                 if ((fd = open(randomfiles[i], O_RDONLY
 #ifdef O_NONBLOCK
@@ -193,7 +237,7 @@ int RAND_poll(void)
                         {
                         int usec = 10*1000; /* spend 10ms on each file */
                         int r;
-                        size_t j;
+                        unsigned int j;
                         struct stat *st=&randomstats[i];
 
                         /* Avoid using same input... Used to be O_NOFOLLOW
@@ -211,7 +255,12 @@ int RAND_poll(void)
                                 {
                                 int try_read = 0;
 
-#if defined(OPENSSL_SYS_LINUX)
+#if defined(OPENSSL_SYS_BEOS_R5)
+                                /* select() is broken in BeOS R5, so we simply
+                                 *  try to read something and snooze if we couldn't */
+                                try_read = 1;
+
+#elif defined(OPENSSL_SYS_LINUX)
                                 /* use poll() */
                                 struct pollfd pset;
                                 
@@ -258,6 +307,10 @@ int RAND_poll(void)
                                         r = read(fd,(unsigned char *)tmpbuf+n, ENTROPY_NEEDED-n);
                                         if (r > 0)
                                                 n += r;
+#if defined(OPENSSL_SYS_BEOS_R5)
+                                        if (r == 0)
+                                                snooze(t.tv_usec);
+#endif
                                         }
                                 else
                                         r = -1;
@@ -311,6 +364,14 @@ int RAND_poll(void)
         l=time(NULL);
         RAND_add(&l,sizeof(l),0.0);
 
+#if defined(OPENSSL_SYS_BEOS)
+        {
+        system_info sysInfo;
+        get_system_info(&sysInfo);
+        RAND_add(&sysInfo,sizeof(sysInfo),0);
+        }
+#endif
+
 #if defined(DEVRANDOM) || defined(DEVRANDOM_EGD)
         return 1;
 #else