status-im
/
miniupnp
mirror of https://github.com/status-im/miniupnp.git
2
0
Fork 0
Code Issues Projects Releases Wiki Activity

Internal address check is mandatory even if third party option is set.

This commit is contained in:
Markus Stenberg 2014-05-19 13:23:21 +03:00
parent b9c20cecab
commit 83c103bc3f
1 changed files with 9 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
miniupnpd/pcpserver.c
View File

@ -1139,6 +1139,15 @@ static int ValidatePCPMsg(pcp_info_t *pcp_msg_info)
return 0;
}
/* RFC 6887, section 8.2: MUST return address mismatch if NAT
* in middle. */
if (memcmp(pcp_msg_info->int_ip,
&pcp_msg_info->sender_ip,
sizeof(pcp_msg_info->sender_ip)) != 0) {
pcp_msg_info->result_code = PCP_ERR_ADDRESS_MISMATCH;
return 0;
}
if (pcp_msg_info->thirdp_ip) {
if (!GETFLAG(PCP_ALLOWTHIRDPARTYMASK)) {
pcp_msg_info->result_code = PCP_ERR_UNSUPP_OPTION;
@ -1153,15 +1162,6 @@ static int ValidatePCPMsg(pcp_info_t *pcp_msg_info)
pcp_msg_info->result_code = PCP_ERR_MALFORMED_REQUEST;
return 0;
}
} else {
/* RFC 6887, section 8.2: MUST return address mismatch if NAT
* in middle. */
if (memcmp(pcp_msg_info->int_ip,
&pcp_msg_info->sender_ip,
sizeof(pcp_msg_info->sender_ip)) != 0) {
pcp_msg_info->result_code = PCP_ERR_ADDRESS_MISMATCH;
return 0;
}
}
/* Produce mapped_str for future use. */