libxc: check length on copy

PATCH New Christoph Egger 1 participant 1 message Oct 23, 2007

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Christoph Egger

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2007-10-23 12:36 UTC #0 lore raw

PATCH 1/1 libxc: check length on copy

Hi!

Attached patch checks length on string copy.

Signed-off-by Christoph Egger <[email protected]>

Signature · 12 lines

AMD Saxony, Dresden, Germany
Operating System Research Center

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tools/libxc/xc_dom_boot.c +3 -1

diff -r 4970cbf9b19e tools/libxc/xc_dom_boot.c
@@ -92,7 +92,9 @@ int xc_dom_compat_check(struct xc_dom_im
     char *item, *ptr;
     int match, found = 0;
 
-    strcpy(xen_caps, dom->xen_caps);
+    strncpy(xen_caps, dom->xen_caps, XEN_CAPABILITIES_INFO_LEN - 1);
+    xen_caps[XEN_CAPABILITIES_INFO_LEN - 1] = '\0';
+
     for ( item = strtok_r(xen_caps, " ", &ptr);
           item != NULL ; item = strtok_r(NULL, " ", &ptr) )
     {

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