Author: eadler
Date: Wed Dec  5 13:56:52 2012
New Revision: 243897
URL: http://svnweb.freebsd.org/changeset/base/243897

Log:
  Avoid overflowing the file buffer
  
  Submitted by: db
  Approved by:  cperciva
  MFC after:    2 weeks

Modified:
  head/usr.sbin/pw/rm_r.c

Modified: head/usr.sbin/pw/rm_r.c
==============================================================================
--- head/usr.sbin/pw/rm_r.c     Wed Dec  5 13:56:49 2012        (r243896)
+++ head/usr.sbin/pw/rm_r.c     Wed Dec  5 13:56:52 2012        (r243897)
@@ -52,7 +52,7 @@ rm_r(char const * dir, uid_t uid)
 
                while ((e = readdir(d)) != NULL) {
                        if (strcmp(e->d_name, ".") != 0 && strcmp(e->d_name, 
"..") != 0) {
-                               sprintf(file, "%s/%s", dir, e->d_name);
+                               snprintf(file, sizeof(file), "%s/%s", dir, 
e->d_name);
                                if (lstat(file, &st) == 0) {    /* Need 
symlinks, not
                                                                 * linked file 
*/
                                        if (S_ISDIR(st.st_mode))        /* 
Directory - recurse */
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