You are absolutely correct. I didn't notice I did that. I guess my next
question on how to do what I am trying to do need to go help-cfengine. Sorry
about the red herring. I will be more careful next time.
On Thu, Mar 26, 2009 at 10:37 AM, Mark Burgess <mark.burg...@iu.hio.no>wrote:
>
> Note that you are passing a scalar reference to a list $(hlist) rather
> than a @(hlist) reference. Since you don't show your body reference I
> can't tell if this is the problem. Of course, the program should not
> crash but I can see why it would...
>
> Matt Richards wrote:
> > Greetings. I seem to have found a bug in cf-agent. When connecting to
> > multiple hosts:
> >
> > vars:
> >
> > hlist slist => { "hosta", "hostb" };
> >
> > files:
> >
> > "$(location)/$(hlist)"
> > copy_from => server_copy("$(location)","$(hlist)"),
> > perms => system("640"),
> > depth_search => recurse("inf"),
> > action => immediate;
> >
> > Debugging the code, I tracked back the dump to the initial corruption -
> > cached server connections, (CacheServerConnection:client_code.c):
> >
> > for (rp = SERVERLIST; rp != NULL; rp=rp->next)
> > {
> > conn = (struct cfagent_connection *) rp->item;
> > if (strcmp(ipname,conn->localip) == 0)
> > {
> > conn->sd = CF_COULD_NOT_CONNECT;
> > return;
> > }
> > }
> >
> > assigning conn = (struct cfagent_connection *) rp->item; messes up the
> > connection structure. I am not sure why this section of code is actually
> > in there, but the type casting seems to be causing some corruption.
> > Note, that it only happens on the second host (since SERVERLIST is NULL
> > on the first server).
> >
> > debugging output:
> >
> > stopped in CacheServerConnection at line 1238 in file
> > "/mnt/cfengine-3.0.1b5.patched/src/client_code.c" ($t1)
> > 1238 for (rp = SERVERLIST; rp != NULL; rp=rp->next)
> > (dbx) p *conn
> > (sd = 5, trust = 0, authenticated = 1, protoversion = 0, family = 2,
> > localip = "9.61.13.23", remoteip = "9.61.251.15", session_key = "
> > ^Ub^H", error = 0)
> > (dbx) n
> > stopped in CacheServerConnection at line 1240 in file
> > "/mnt/cfengine-3.0.1b5.patched/src/client_code.c" ($t1)
> > 1240 conn = (struct cfagent_connection *)rp->item;
> > (dbx) p *(struct cfagent_connection *)rp->item
> > (sd = 538267672, trust = 538267384, authenticated = 0, protoversion = 0,
> > family = 0, localip = "", remoteip = "", session_key = "", error = 12131)
> > (dbx) n
> > stopped in CacheServerConnection at line 1241 in file
> > "/mnt/cfengine-3.0.1b5.patched/src/client_code.c" ($t1)
> > 1241 if (strcmp(ipname,conn->localip) == 0)
> > (dbx) p *conn
> > (sd = 538267672, trust = 538267384, authenticated = 0, protoversion = 0,
> > family = 0, localip = "", remoteip = "", session_key = "", error = 12131)
> >
> > At this point, conn is really messed up.
> >
> > (dbx) where
> > CacheServerConnection(conn = 0x20154fe8, server = "xxx"), line 1241 in
> > "client_code.c"
> > NewServerConnection(attr = (...), pp = 0x20154968), line 107 in
> > "client_code.c"
> > ScheduleCopyOperation(destination = "xxx", attr = (...), pp =
> > 0x20154968), line 177 in "files_operators.c"
> > VerifyFilePromise(path = "xxx", pp = 0x20154968), line 314 in
> > "files_interfaces.c"
> > FindFilePromiserObjects(pp = 0x20154968), line 61 in "verify_files.c"
> > FindAndVerifyFilesPromises(pp = 0x20154968), line 37 in "verify_files.c"
> > KeepAgentPromise(pp = 0x20154968), line 814 in "agent.c"
> > ExpandPromiseAndDo(agent = cf_agent, scopeid = "xxx", pp = 0x20153d38,
> > scalarvars = 0x20154598, listvars = 0x201545d8, fnptr = 0x20051f30),
> > line 593 in "expand.c"
> > ExpandPromise(agent = cf_agent, scopeid = "xxx", pp = 0x2015d268, fnptr
> > = 0x20051f30), line 115 in "expand.c"
> > ScheduleAgentOperations(bp = 0x2015cab8), line 670 in "agent.c"
> > KeepPromiseBundles(), line 634 in "agent.c"
> > KeepPromises(), line 273 in "agent.c"
> > main(argc = 2, argv = 0x2ff22a00), line 131 in "agent.c"
> >
> > Thanks,
> > Matt
> >
> >
> >
> >
> >
> >
> >
> >
> >
> > ------------------------------------------------------------------------
> >
> > _______________________________________________
> > Bug-cfengine mailing list
> > Bug-cfengine@cfengine.org
> > https://cfengine.org/mailman/listinfo/bug-cfengine
>
> --
> Mark Burgess
>
> -------------------------------------------------
> Professor of Network and System Administration
> Oslo University College, Norway
>
> Personal Web: http://www.iu.hio.no/~mark <http://www.iu.hio.no/%7Emark>
> Office Telf : +47 22453272
> -------------------------------------------------
>
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