EVP constification.

1 files changed, 57 insertions, 0 deletions

diff --git a/crypto/rand/rand_egd.c b/crypto/rand/rand_egd.c
index 380c782..02a0d86 100644
--- a/crypto/rand/rand_egd.c
+++ b/crypto/rand/rand_egd.c
@@ -64,6 +64,11 @@ int RAND_egd(const char *path)
 	{
 	return(-1);
 	}
+
+int RAND_egd_bytes(const char *path,int bytes)
+	{
+	return(-1);
+	}
 #else
 #include <openssl/opensslconf.h>
 #include OPENSSL_UNISTD
@@ -107,4 +112,56 @@ int RAND_egd(const char *path)
 	if (fd != -1) close(fd);
 	return(ret);
 	}
+
+int RAND_egd_bytes(const char *path,int bytes)
+	{
+	int ret = 0;
+	struct sockaddr_un addr;
+	int len, num;
+	int fd = -1;
+	unsigned char buf[255];
+
+	memset(&addr, 0, sizeof(addr));
+	addr.sun_family = AF_UNIX;
+	if (strlen(path) > sizeof(addr.sun_path))
+		return (-1);
+	strcpy(addr.sun_path,path);
+	len = offsetof(struct sockaddr_un, sun_path) + strlen(path);
+	fd = socket(AF_UNIX, SOCK_STREAM, 0);
+	if (fd == -1) return (-1);
+	if (connect(fd, (struct sockaddr *)&addr, len) == -1) goto err;
+
+	while(bytes > 0)
+	    {
+	    buf[0] = 1;
+	    buf[1] = bytes < 255 ? bytes : 255;
+	    write(fd, buf, 2);
+	    if (read(fd, buf, 1) != 1)
+		{
+		ret=-1;
+		goto err;
+		}
+	    if(buf[0] == 0)
+		goto err;
+	    num = read(fd, buf, buf[0]);
+	    if (num < 1)
+		{
+		ret=-1;
+		goto err;
+		}
+	    RAND_seed(buf, num);
+	    if (RAND_status() != 1)
+		{
+		ret=-1;
+		goto err;
+		}
+	    ret += num;
+	    bytes-=num;
+	    }
+ err:
+	if (fd != -1) close(fd);
+	return(ret);
+	}
+
+
 #endif