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Interloper break in the server via the captured client #281

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Interloper break in the server via the captured client #281

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7 changes: 7 additions & 0 deletions server/incoming_spa.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1108,6 +1108,13 @@ incoming_spa(fko_srv_options_t *opts)
break;
}

/* gitfal13579 modified on 2018-08-01,only These one will be permited to come in when knocking the firewall */
if(strcmp(spadat.pkt_source_ip,spadat.spa_message_src_ip))
{
log_msg(LOG_WARNING, "(stanza #%d) [%s] knocking the door,[%s] come in ???,%s!, ignoring SPA packet",
stanza_num,spadat.pkt_source_ip, spadat.spa_message_src_ip, fko_errstr(FKO_ERROR_KNOCKER_VISITOR_NOT_SAME_GUY));
break;
}
strlcpy(spadat.spa_message_remain, spa_ip_demark+1, MAX_DECRYPTED_SPA_LEN);

/* If use source IP was requested (embedded IP of 0.0.0.0), make sure it
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