bk commit into 5.0 tree (msvensson:1.2517) BUG#30593

[msvensson]

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ChangeSet@stripped, 2007-08-23 20:24:48+02:00, msvensson@pilot.(none) +1 -0
  Bug#30593 No cipher list returned for "SHOW STATUS LIKE 'Ssl_cipher_list'"
   - Move increment of "i" to "increment section" of for loop
   - Protect against writing after end of "buff"(backport from 5.1)

  sql/sql_show.cc@stripped, 2007-08-23 20:24:47+02:00, msvensson@pilot.(none) +3 -2
    - Move the increment of i to "increment" section of for loop. Since "i"
    was initially 0 the for loop exited immediately
    - Add protection for writing after end of "buff"

diff -Nrup a/sql/sql_show.cc b/sql/sql_show.cc
--- a/sql/sql_show.cc	2007-07-28 14:01:43 +02:00
+++ b/sql/sql_show.cc	2007-08-23 20:24:47 +02:00
@@ -1739,12 +1739,13 @@ static bool show_status_array(THD *thd, 
           if (thd->net.vio->ssl_arg)
           {
             char *to= buff;
-            for (int i=0 ; i++ ;)
+            char *buff_end= buff + sizeof(buff);
+            for (int i= 0; to < buff_end; i++)
             {
               const char *p= SSL_get_cipher_list((SSL*) thd->net.vio->ssl_arg,i);
               if (p == NULL)
                 break;
-              to= strmov(to, p);
+              to= strnmov(to, p, buff_end-to-1);
               *to++= ':';
             }
             if (to != buff)