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lib: Fix possible array overrun

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It is possible if the hostname is > 32
characters that we would just overrun the
client_name data structure.  Truncate
the hostname string to 31 characters (to allow for NULL)

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
This commit is contained in:
Donald Sharp 2017-02-01 19:51:31 -05:00
parent 3d217741c3
commit 9010012aa1
1 changed files with 1 additions and 1 deletions
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lib/ptm_lib.c
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@ -458,7 +458,7 @@ ptm_lib_register(char *client_name,
hdl = calloc(1, sizeof(*hdl)); hdl = calloc(1, sizeof(*hdl));
if (hdl) { if (hdl) {
strcpy(hdl->client_name, client_name); strncpy(hdl->client_name, client_name, PTMLIB_MAXNAMELEN - 1);
hdl->cmd_cb = cmd_cb; hdl->cmd_cb = cmd_cb;
hdl->notify_cb = notify_cb; hdl->notify_cb = notify_cb;
hdl->response_cb = response_cb; hdl->response_cb = response_cb;