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| author | Rainer Gerhards <rgerhards@adiscon.com> | 2012-06-15 16:08:16 +0200 |
|---|---|---|
| committer | Rainer Gerhards <rgerhards@adiscon.com> | 2012-06-15 16:08:16 +0200 |
| commit | 33acb956db2824a118656021d873143ff1475321 (patch) | |
| tree | 1050b378c2fbc49cf149341d820539b3b619d5fd /plugins/omudpspoof | |
| parent | e91c8d5f23885954cbc347a7e21f8ebc5651316d (diff) | |
| download | rsyslog-33acb956db2824a118656021d873143ff1475321.tar.gz rsyslog-33acb956db2824a118656021d873143ff1475321.tar.xz rsyslog-33acb956db2824a118656021d873143ff1475321.zip | |
bugfix: randomized IP option header in omudpspoof caused problems
closes: http://bugzilla.adiscon.com/show_bug.cgi?id=327
Thanks to Rick Brown for helping to test out the patch.
Diffstat (limited to 'plugins/omudpspoof')
| -rw-r--r-- | plugins/omudpspoof/omudpspoof.c | 15 |
1 files changed, 2 insertions, 13 deletions
diff --git a/plugins/omudpspoof/omudpspoof.c b/plugins/omudpspoof/omudpspoof.c index 11be59d6..30792531 100644 --- a/plugins/omudpspoof/omudpspoof.c +++ b/plugins/omudpspoof/omudpspoof.c @@ -24,7 +24,7 @@ * rgerhards, 2009-07-10 * * Copyright 2009 David Lang (spoofing code) - * Copyright 2009 Rainer Gerhards and Adiscon GmbH. + * Copyright 2009-2012 Rainer Gerhards and Adiscon GmbH. * * This file is part of rsyslog. * @@ -191,8 +191,6 @@ UDPSend(instanceData *pData, uchar *pszSourcename, char *msg, size_t len) struct addrinfo *r; int lsent = 0; int bSendSuccess; - int j, build_ip; - u_char opt[20]; struct sockaddr_in *tempaddr,source_ip; libnet_ptag_t ip, ipo; libnet_ptag_t udp; @@ -230,17 +228,8 @@ UDPSend(instanceData *pData, uchar *pszSourcename, char *msg, size_t len) DBGPRINTF("Can't build UDP header: %s\n", libnet_geterror(libnet_handle)); } - build_ip = 0; - /* this is not a legal options string */ - for (j = 0; j < 20; j++) { - opt[j] = libnet_get_prand(LIBNET_PR2); - } - ipo = libnet_build_ipv4_options(opt, 20, libnet_handle, ipo); - if (ipo == -1) { - DBGPRINTF("Can't build IP options: %s\n", libnet_geterror(libnet_handle)); - } ip = libnet_build_ipv4( - LIBNET_IPV4_H + 20 + len + LIBNET_UDP_H, /* length */ + LIBNET_IPV4_H + len + LIBNET_UDP_H, /* length */ 0, /* TOS */ 242, /* IP ID */ 0, /* IP Frag */ |