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boundary check for sscanf(%s). use %s with length.

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itojun 2000-03-13 05:01:04 +00:00
parent 2debca7071
commit 528715946d
1 changed files with 3 additions and 3 deletions
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6
print-atalk.c
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@ -23,7 +23,7 @@
#ifndef lint
static const char rcsid[] =
"@(#) $Header: /tcpdump/master/tcpdump/print-atalk.c,v 1.52 2000-01-17 06:24:24 itojun Exp $ (LBL)";
"@(#) $Header: /tcpdump/master/tcpdump/print-atalk.c,v 1.53 2000-03-13 05:01:04 itojun Exp $ (LBL)";
#endif
#ifdef HAVE_CONFIG_H
@ -507,11 +507,11 @@ ataddr_string(u_short atnet, u_char athost)
while (fgets(line, sizeof(line), fp)) {
if (line[0] == '\n' || line[0] == 0 || line[0] == '#')
continue;
if (sscanf(line, "%d.%d.%d %s", &i1, &i2, &i3,
if (sscanf(line, "%d.%d.%d %256s", &i1, &i2, &i3,
nambuf) == 4)
/* got a hostname. */
i3 |= ((i1 << 8) | i2) << 8;
else if (sscanf(line, "%d.%d %s", &i1, &i2,
else if (sscanf(line, "%d.%d %256s", &i1, &i2,
nambuf) == 3)
/* got a net name */
i3 = (((i1 << 8) | i2) << 8) | 255;