From: Andre Noll <maan@systemlinux.org>
Date: Tue, 25 Nov 2008 23:33:55 +0000 (+0100)
Subject: para_write: Fix --bufsize.
X-Git-Tag: v0.3.3~18
X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=commitdiff_plain;h=0c4e55bbaa21f24f66e57a555341924840850c71

para_write: Fix --bufsize.

The given value means kilobytes, rather than bytes. Add checks
for invalid values of the buffer size.
---

diff --git a/write.c b/write.c
index 50ed2212..998a6d2c 100644
--- a/write.c
+++ b/write.c
@@ -200,8 +200,12 @@ int main(int argc, char *argv[])
 	if (!wng)
 		goto out;
 	stdin_set_defaults(&sit);
-	if (conf.bufsize_given)
-		sit.bufsize = conf.bufsize_arg;
+	ret = -ERRNO_TO_PARA_ERROR(EINVAL);
+	if (conf.bufsize_arg < 0)
+		goto out;
+	if (conf.bufsize_arg >= INT_MAX / 1024)
+		goto out;
+	sit.bufsize = conf.bufsize_arg * 1024;
 	sit.buf = para_malloc(sit.bufsize);
 
 	wng->buf = sit.buf;