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Handle wrong interface for locally-routed packets.

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This commit is contained in:
Simon Kelley
2013-01-29 22:10:26 +00:00
parent 79cb46c0e9
commit e25db1f273
5 changed files with 76 additions and 21 deletions
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17
src/tftp.c
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@@ -61,6 +61,7 @@ void tftp_request(struct listener *listen, time_t now)
char *name = NULL;
char *prefix = daemon->tftp_prefix;
struct tftp_prefix *pref;
struct all_addr addra;
union {
struct cmsghdr align; /* this ensures alignment */
@@ -189,18 +190,22 @@ void tftp_request(struct listener *listen, time_t now)
return;
name = namebuff;
addra.addr.addr4 = addr.in.sin_addr;
#ifdef HAVE_IPV6
if (listen->family == AF_INET6)
addra.addr.addr6 = addr.in6.sin6_addr;
#endif
if (!iface_check(listen->family, &addra, name, NULL))
{
if (!iface_check(AF_INET6, (struct all_addr *)&addr.in6.sin6_addr, name, NULL))
if (!option_bool(OPT_CLEVERBIND))
enumerate_interfaces();
if (!loopback_exception(listen->tftpfd, listen->family, &addra, name))
return;
}
else
#endif
if (!iface_check(AF_INET, (struct all_addr *)&addr.in.sin_addr, name, NULL))
return;
#ifdef HAVE_DHCP
/* allowed interfaces are the same as for DHCP */
for (tmp = daemon->dhcp_except; tmp; tmp = tmp->next)