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fix buffer overflow in opt_meth_setoption (#496)

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QuanTech0 2017-09-03 19:48:28 -04:00 committed by jacob1
parent c34b54d974
commit 07e879e74c
1 changed files with 3 additions and 1 deletions
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4
src/lua/socket/options.c
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@ -5,6 +5,7 @@
* RCS ID: $Id: options.c,v 1.6 2005/11/20 07:20:23 diego Exp $
\*=========================================================================*/
#include <string.h>
#include <stdlib.h>
#include "auxiliar.h"
#include "options.h"
@ -31,9 +32,10 @@ int opt_meth_setoption(lua_State *L, p_opt opt, p_socket ps)
while (opt->name && strcmp(name, opt->name))
opt++;
if (!opt->func) {
char msg[45];
char* msg = malloc(30+strlen(name));
sprintf(msg, "unsupported option `%.35s'", name);
luaL_argerror(L, 2, msg);
free(msg);
}
return opt->func(L, ps);
}