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Bugfix: zero-terminate string before copying

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This commit is contained in:
adamdunkels 2010-02-04 11:20:09 +00:00
parent 13f6673d04
commit 35f8d24c2e
1 changed files with 4 additions and 2 deletions
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6
apps/shell/shell-udpsend.c
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@ -30,7 +30,7 @@
* *
* Author: Adam Dunkels <adam@sics.se> * Author: Adam Dunkels <adam@sics.se>
* *
* $Id: shell-udpsend.c,v 1.2 2009/03/06 07:23:08 adamdunkels Exp $ * $Id: shell-udpsend.c,v 1.3 2010/02/04 11:20:09 adamdunkels Exp $
*/ */
#include <string.h> #include <string.h>
@ -84,8 +84,10 @@ PROCESS_THREAD(shell_udpsend_process, ev, data)
"udpsend <server> <port> [localport]: server as address", ""); "udpsend <server> <port> [localport]: server as address", "");
PROCESS_EXIT(); PROCESS_EXIT();
} }
++next; /* NULL-terminate the server string before copying. */
*next = 0;
strncpy(server, data, sizeof(server)); strncpy(server, data, sizeof(server));
++next;
port = shell_strtolong(next, &nextptr); port = shell_strtolong(next, &nextptr);
uiplib_ipaddrconv(server, (u8_t *)&serveraddr); uiplib_ipaddrconv(server, (u8_t *)&serveraddr);