From 0990d8c796e9896e791d1ce23557e6d2f5ecf5b0 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Sun, 16 Apr 2006 09:13:09 +0000
Subject: initialize random seed globaly from $RANDOM_DEVICE

git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@719 fefdeb5f-60dc-0310-8127-8f9354f1896f
---
 src/daemon/main.c | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

(limited to 'src/daemon')

diff --git a/src/daemon/main.c b/src/daemon/main.c
index 8457916a..d783531a 100644
--- a/src/daemon/main.c
+++ b/src/daemon/main.c
@@ -135,6 +135,29 @@ static void close_pipe(int p[2]) {
     p[0] = p[1] = -1;
 }
 
+static void set_random_seed(void) {
+    unsigned int seed = 0;
+    
+#ifdef RANDOM_DEVICE
+    int fd;
+    
+    if ((fd = open(RANDOM_DEVICE, O_RDONLY)) >= 0) {
+        ssize_t r;
+
+        if ((r = pa_loop_read(fd, &seed, sizeof(seed))) < 0 || (size_t) r != sizeof(seed)) {
+            pa_log_error(__FILE__": failed to read entropy from '"RANDOM_DEVICE"'");
+            seed += (unsigned int) time(NULL);
+        }
+
+        close(fd);
+    }
+#else
+    seed = (unsigned int) time(NULL);
+#endif
+    
+    srand(seed);
+}
+
 int main(int argc, char *argv[]) {
     pa_core *c;
     pa_strbuf *buf = NULL;
@@ -180,6 +203,8 @@ int main(int argc, char *argv[]) {
     }
 #endif
 
+    set_random_seed();
+    
     pa_log_set_ident("polypaudio");
     
     conf = pa_daemon_conf_new();
-- 
cgit