mrouted is an implementation of the DVMRP multicast routing protocol. It turns a UNIX workstation into a DVMRP multicast router with tunnel support, in order to cross non-multicast-aware routers.
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This release fixes a serious regression in route.c, introduced in 3.9.5, caused by the link list refactor. There is some minor cleanup and FTBFS issues on GCC 4.6.
Security fixes were made for insecure file creation in /var/tmp by using /var/run/mrouted instead. Also, the linked list implementation in route.c was refactored to fix several SIGSEGV occurrences and a couple of memory leaks. The -r,--show-routes option was added to display the current multicast routing table.
This release fixed a Linux bug in k_del_vif(), called to stop a VIF when an interface goes down. Prior to this patch, mrouted exited with the error "setsockopt MRT_DEL_VIF on vif 3: Invalid argument".
A problem with the tunnel directive on OpenVPN, PPTP, L2TP tunnels as well as PPP links was fixed. A NULL pointer dereference was fixed in the conf file parser, triggered when an interface does not have an address. Several missing checks of malloc() return value were fixed. A potential stack overflow issue was fixed, and checks were added to prevent overstepping array boundaries when parsing route report messages. The man page was updated with long-options, missing sections were added, and debug help was improved. The Makefile was cleaned up for use with BSD PMake as well as GNU Make.
Code duplication on platforms carrying strlcpy() and strtonum() was reduced. File paths were fixed for GNU/Linux, which uses /var/tmp rather than /usr/tmp. The RSRR code (disabled by default) was fixed. A possible build error in strtonum.c on platforms not supporting LLONG_MIN/MAX was fixed.