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Check for truncated source address when receiving packets

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This commit is contained in:
Miroslav Lichvar 2014-08-15 12:54:32 +02:00
parent 192f74f0a1
commit ff4abc69c3
2 changed files with 6 additions and 0 deletions
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3
cmdmon.c
View file

@ -1644,6 +1644,9 @@ read_from_cmd_socket(void *anything)
return;
}
if (from_length > sizeof (where_from))
LOG_FATAL(LOGF_CmdMon, "Truncated source address");
read_length = status;
LCL_ReadRawTime(&now);

3
ntp_io.c
View file

@ -481,6 +481,9 @@ read_from_socket(void *anything)
reponse on a subsequent recvfrom). */
if (status > 0) {
if (msg.msg_namelen > sizeof (where_from))
LOG_FATAL(LOGF_NtpIO, "Truncated source address");
switch (where_from.u.sa_family) {
case AF_INET:
remote_addr.ip_addr.family = IPADDR_INET4;