HI, On Wed, Jun 29, 2022 at 07:05:55PM +0200, Max Fillinger wrote: > When running with --ifconfig-noexec, OpenVPN does not execute ifconfig, > but on exit, it still tries to "undo" the configuration it would have > done. This patch fixes it by extracting an undo_ifconfig() function from > close_tun(). The undo function is called before close_tun(), but only if > --ifconfig-noexec isn't set. This is symmetric to how open_tun() and > do_ifconfig() are used. > > v2: Fix tabs-vs-spaces. > v3: Fix another style mistake. > v4: Move undo_ifconfig{4,6}() out of #ifdef TARGET_LINUX. > v5: Keep ctx argument in close_tun().
I did what I promised too many weeks ago, and pushed this change towards the buildbot army... alas, they did what I was afraid they would do: complained. +-DPLUGIN_LIBDIR=\"/usr/local/lib/openvpn/plugins\" -Wall -g -O2 -std=c99 -MT +tun.o -MD -MP -MF .deps/tun.Tpo -c -o tun.o tun.c tun.c:1656:73: error: passing 'struct gc_arena' to parameter of incompatible +type 'struct gc_arena *'; take the address with & const char *ifconfig_ipv6_local = print_in6_addr(tt->local_ipv6, 0, gc); ^~ & ./socket.h:391:88: note: passing argument to parameter 'gc' here const char *print_in6_addr(struct in6_addr addr6, unsigned int flags, struct +gc_arena *gc); so the "non-linux" bits of undo_ifconfig_ipv6() have been broken since ever - but the patch now actually shows that to the compiler... > +#elif !defined(_WIN32) /* if !defined(TARGET_LINUX) && !defined(_WIN32) */ > + struct gc_arena gc = gc_new(); > + const char *ifconfig_ipv6_local = print_in6_addr(tt->local_ipv6, 0, gc); > + struct argv argv = argv_new(); ... and inded, this needs to be "&gc"... Can you please send a v6 that changes this, and also rebases against master? The context has changed a bit, and one hunk (#endif /* comment */) is no longer relevant, as that #endif never came into existance :-) We should then be able to proceed more quickly... thanks, gert -- "If was one thing all people took for granted, was conviction that if you feed honest figures into a computer, honest figures come out. Never doubted it myself till I met a computer with a sense of humor." Robert A. Heinlein, The Moon is a Harsh Mistress Gert Doering - Munich, Germany g...@greenie.muc.de
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