June 2008 - Darwin-dev - lists.apple.com

Re: Create Process As User
by Matt Burnett 13 Jun '08

13 Jun '08

site_archiver(a)lists.apple.com Delivered-To: darwin-dev(a)lists.apple.com Dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:cc:message-id:from:to :in-reply-to:content-type:content-transfer-encoding:mime-version :subject:date:references:x-mailer; bh=I2uPZ+ke4NmjIz4cJSJNwSrTFsRMjpCVtyTljVpL57Q=; b=aSeW3yfmmKTZyjEsPjIorGFQfnhJKtkoxZkop1jM2Bqpur2oGg3gk1X8YnWZ1Z2DNh 3I6b+nKifXtOOVTKfTcu7WzEB+J1/FtQE7471k9VlnnKaMu4iqj9XDU0Pydi7O246NNs C5mGnJgT1PyKjKgBpAlrXUCYqlDh/peWnzAXw= Domainkey-signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=cc:message-id:from:to:in-reply-to:content-type :content-transfer-encoding:mime-version:subject:date:references :x-mailer; b=VsYkdLeHiJVkcHRUQjZjp+YvwiTV2o9PEPL2hwINomQL+nyatQ1LT1AlR/hveWcm97 XsZMCUE75zsj7iSYf2rOd5RBdHKMmE4AFzIvDKnNRdWHZovTsbig5DQm7TQz95exD10r 78mzZm/hqRYuN5lirLoRv6nBEVRC+jOEx9o3w= On Jun 12, 2008, at 10:23 AM, Garth Cummings wrote: Hi Luc, On Jun 12, 2008, at 2:18 AM, Luc Andre wrote: I have a daemon (user root) that want to start an application in the current logged user environement. Best regards, --gc ____________________________________________________________________ Garth Cummings gcummings(a)apple.com Sr. Software Engineer Apple Developer Technical Support <http://developer.apple.com/technicalsupport> _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-dev/matt.w.burnett%40gmail.com _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-dev/site_archiver%40lists.app… You could have you daemon contact your KEXT, and have the KEXT do KUNCExecute with kOpenAppAsConsoleUser. You probably don't actually want to do that, but without more details about what you're trying to accomplish I can't be sure. In any event, I highly recommend you read Technical Note TN2083 "Daemons and Agents": <http://developer.apple.com/technotes/tn2005/tn2083.html>. This email sent to matt.w.burnett(a)gmail.com This email sent to site_archiver(a)lists.apple.com

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Re: Symbol not found in dylib
by Phil Malin 12 Jun '08

12 Jun '08

site_archiver(a)lists.apple.com Delivered-To: darwin-dev(a)lists.apple.com Dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from :user-agent:mime-version:to:cc:subject:references:in-reply-to :content-type:content-transfer-encoding; bh=eZVNbSxlqhO7jluSdmcdrGgNTWTEQnZdalt0lTm9vvI=; b=IjYdEF53I0vpD8+wngslaIZx7IK8qmo2FAYo/4bhjIhWcUSI2bTBRJNjagLn5S18y9 RDK+2zdiWnHphzIpBiqQdGwCwwQ442rgHW1V9MJsKTiVDoK1fMtCVIUPZkSGe/ce00DK mPaVPVx19R36XkhtzQY9h9+VZEaTFwEvwBMPo= Domainkey-signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:content-type:content-transfer-encoding; b=a/W9LLCqKooaCOK7rktFU1zdazSR2YMkuhAow0r9d0G4ywTNqNAYBVegGo7MGMWUPp ZX+3zSuRNoCQS2pkeS5UDThuFVZ1j5FHdTP0CM3TABmSKZObzx7xpVtCq7yrn5rYSHnD kosrnEeRCr++n+fKda0iXWIepMsKYND0TOGds= User-agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X; en-US; rv:1.8.1.13) Gecko/20080412 SeaMonkey/1.1.9 Howdy. Cheers. Phil. On 30 May, 2008, at 07:20 , Phil Malin wrote: Hi all. dyld: Symbol not found: _environ Referenced from: /opt/local/lib/libfcgi.2.dylib Expected in: flat namespace Trace/BPT trap yes, in courier-authlib and some Apache httpd modules. See http://issues.apache.org/bugzilla/show_bug.cgi?id=4438 and the courier-imap mailing list. # The solution for apache was to use the latest GNU libtool: /usr/local/bin/libtool --version # ltmain.sh (GNU libtool) 1.5.26 (1.1220.2.492 2008/01/30 06:40:56) # Here is what I did for courier-authlib: # starting where the tarballs are going to be expanded: gnutar xjf courier-authlib-0.60.2.tar.bz2 cd courier-authlib-0.60.2 ./configure --without-authpam [...] # find and replace any occurrences of libtool in the build/source dir # MIND the following step runs ln with the force flag. Be sure to be in the correct directory! find . -type f -name libtool -print -exec ln -sf /usr/local/bin/ libtool \{\} \; make make check make install make install-configure # and authlib starts just fine. Giuliano _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-dev/site_archiver%40lists.app… Sorry for the sluggish reply but I've been caught up with work and hadn't had a chance to play with this issue some more. I installed gcc 4.2.3 via mac ports and recompiled the app - everything worked fine this time, no namespace issues at all. And this was with exactly the same compiler/linker options as before. This is quite odd - perhaps something is up with the default gcc that comes with Leopard? Giuliano Gavazzi wrote: Sorry if this question has been asked to death - I've done searches on it and have seen it referenced but haven't found any general discussion on the cause and solution. I've written a C program (well, an Eiffel program which compiles to C) which worked fine under Tiger but now fails under Leopard. The program links the fastcgi library libfcgi. When I try to run the program I get the following error: The above shows the MacPorts version - the same thing happens with the one in /usr/lib. I've even tried compiling the fastcgi source with my own compiler options and use that but to no avail. I'm guessing it has to do with osx' two level and flat namespace distinction and I have seen suggestions made in terms of compiler options but nothing I've tried seems to have helped. Has anyone else suffered this problem and if so, got a solution? I don't know if this has changed in new versions of 10.5, but this I report below is what I did for courier-authlib-0.60.2, hope this helps you. I your build does not use libtool it will not be of any use. Mind: you will have to install the latest libtool (probably not the latest by now...): This email sent to site_archiver(a)lists.apple.com

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Diskarbitration 10.3 and 10.4
by Andy Green 12 Jun '08

12 Jun '08

site_archiver(a)lists.apple.com Delivered-To: darwin-dev(a)lists.apple.com Thread-index: AcjMouv8Gwwqj1OlRpOa4Ah4UnpNAA== Thread-topic: Diskarbitration 10.3 and 10.4 I have an app of which I'd like to deploy a single binary that will work on 10.3 and later. It links against the public DiskArbitration framework, so at the moment I can't run it on 10.3. I can, instead, use the 10.3.9/PrivateFrameworks/DiskArb.framework, and the ppc version builds and runs, however there's obviously no i386 build in there. Is it possible to have a single build, which runs the public framework on 10.4 and the private one on 10.3? And if so, what's the incantation? Many thanks, Andy _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-dev/site_archiver%40lists.app… This email sent to site_archiver(a)lists.apple.com

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Re: Create Process As User
by Garth Cummings 12 Jun '08

12 Jun '08

site_archiver(a)lists.apple.com Delivered-To: darwin-dev(a)lists.apple.com Hi Luc, On Jun 12, 2008, at 2:18 AM, Luc Andre wrote: I have a daemon (user root) that want to start an application in the current logged user environement. Best regards, --gc ____________________________________________________________________ Garth Cummings gcummings(a)apple.com Sr. Software Engineer Apple Developer Technical Support <http://developer.apple.com/technicalsupport> _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-dev/site_archiver%40lists.app… You probably don't actually want to do that, but without more details about what you're trying to accomplish I can't be sure. In any event, I highly recommend you read Technical Note TN2083 "Daemons and Agents": <http://developer.apple.com/technotes/tn2005/tn2083.html>. This email sent to site_archiver(a)lists.apple.com

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Create Process As User
by Luc Andre 12 Jun '08

12 Jun '08

site_archiver(a)lists.apple.com Delivered-To: darwin-dev(a)lists.apple.com Dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:to :subject:mime-version:content-type:content-transfer-encoding :content-disposition; bh=w2joWiXRjgsMsiLPs7V61MV+NJeZCWX0Wqz0zuAilzA=; b=Kv+FJs1j98kDuw5Kl+K4dzF1jmPhxlWmWs9LA8XBjVfFvlAU8VQ59+b1yqE6IinKhb eEcHJ5bYGQ7/RDmI9b2x+SRPD34eL202OBGzoGBycipxWZYN2WrHdyZEBpw/5JxtPNQ5 kXUYMVj3+ABfkCxkGsNKgN/zWgNZOTdh/pLR8= Domainkey-signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:mime-version:content-type :content-transfer-encoding:content-disposition; b=eFfaP+IukWYlcg8yUkSvR8mnev0B1Qsh9SdM9Yd1+D1TwyJdlJeYiHgwxQ5GMikQnB mxXdxEmgEZ+OLxL/uDw4E1VPvS8J8JOCOEN06vqTjdsV9hzcZ1HLfHtyw52xvuz/vSar V7Hb8fkj2NX0LJYucGZn87L/RqWVCtXdD0WsE= Hi, I have a daemon (user root) that want to start an application in the current logged user environement. I checked the doc and I didn't find any OpenApplicationAsUser() kind of API. Do you know what API I should use to perform this task ? Thanks, Luc _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-dev/site_archiver%40lists.app… This email sent to site_archiver(a)lists.apple.com

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Mach-exception forwarding changed on Leopard?
by Carl Seleborg 12 Jun '08

12 Jun '08

site_archiver(a)lists.apple.com Delivered-To: Darwin-dev(a)lists.apple.com Organization: Ableton AG User-agent: Thunderbird 2.0.0.14 (Windows/20080421) Hello, I've implemented a Mach-exception forwarding mechanism in an application (GCC, x86) because I want to do one last thing before the application dies, and I want the CrashReporter to generate this beautifully complete crash log. I more or less followed the mechanism described here (found by searching these lists): http://www.brianweb.net/misc/mach_exceptions_demo.c (If link is broken, google for "this is not specific to mach exception handling") I use EXCEPTION_THREAD_STATE_IDENTITY instead of EXCEPTION_DEFAULT as the behavior. Otherwise, it's pretty similar. On 10.4, the mechanism works great. Not on 10.5, however, the application just "hangs", not processing any messages anymore (Activity Monitor says application not answering). >From the sampling, it looks like the exception-handling thread is stuck in catch_exception_raise_*() and does not want to continue. I notice two differences between 10.4 and 10.5: - On 10.4, there is always an installed exception handler. I assume that a non-null port number means exactly that. On 10.5, there is none (task_get_exception_ports() returns one set of values, and the port number is 0). - On 10.4, my own implementation of catch_exception_raise_foo() gets called from exc_server(). On 10.5, not so, even though I've implemented all three versions. It looks like exc_server() calls some system-provided implementation which blocks. Also, I notice that gdb on 10.5, for instance, installs strange (uninitialized) values for the exception behavior (none of default, state or state_identity). So: does anyone know where these differences come from? Any clue as to why my own catch_exception_raise() does not get called on 10.5? Any info would be gladly appreciated. Best regards, Carl Seleborg _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-dev/site_archiver%40lists.app… (Sorry for cross-posting, I originally posted to Darwin-userlevel last week, but I don't think it was the right place.) This email sent to site_archiver(a)lists.apple.com

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Detecting video cards where physical screens are attached
by David Geldreich 11 Jun '08

11 Jun '08

site_archiver(a)lists.apple.com Delivered-To: Darwin-dev(a)lists.apple.com _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-dev/site_archiver%40lists.app… This email sent to site_archiver(a)lists.apple.com

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Re: 'lookupd' fails to query DNS
by Michael Grigoni 11 Jun '08

11 Jun '08

site_archiver(a)lists.apple.com Delivered-To: Darwin-dev(a)lists.apple.com Organization: Cybertheque Museum User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.7.2) Gecko/20040804 Netscape/7.2 (ax) Michael Grigoni wrote: Marc Majka wrote: Thanks for your reply; here is the output of 'scutil --dns'; I will insert a run of 'scutil' inside /etc/rc before 'lookupd' launches and post that result later: 'scutil --dns' run just prior to launching 'lookupd' (and when a ping to a FQDN works) reports; "No DNS configuration available" After startup of LaunchDaemons/* and mach_init.d/*, one or two console messages: "Workaround Bonjour, Function not implemented" is printed. Output of ipconfig getoption en0 domain_name_server: ipconfig_get_option failed, (os/kern) failure FWIW, here is 'scutil; list': subKey [0] = DirectoryService:PID subKey [1] = Plugin:IPConfiguration subKey [2] = Setup: subKey [3] = Setup:/Network/HostNames subKey [4] = Setup:/System subKey [5] = State:/IOKit/PowerManagement/CurrentSettings subKey [6] = State:/Network/Interface subKey [7] = State:/Network/Interface/en0/IPv4 subKey [8] = State:/Network/Interface/en0/Link subKey [9] = State:/Network/Interface/fw0/Link subKey [10] = State:/Network/Interface/lo0/IPv4 subKey [11] = State:/Network/Interface/lo0/IPv6 subKey [12] = com.apple.DirectoryService.NotifyTypeStandard:DirectoryNodeAdded Here are /Library/Preferences/SystemConfiguration/*: preferences.plist: <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd"> <plist version="1.0"> <dict> <key>System</key> <dict> <key>Network</key> <dict> <key>HostNames</key> <dict> <key>LocalHostName</key> <string>darwin1</string> </dict> </dict> <key>System</key> <dict> <key>ComputerName</key> <string>darwin1</string> <key>ComputerNameEncoding</key> <integer>1536</integer> </dict> </dict> </dict> </plist> NetworkInterfaces.plist: <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd"> <plist version="1.0"> <dict> <key>Interfaces</key> <array> <dict> <key>BSD Name</key> <string>en0</string> <key>IOBuiltin</key> <true/> <key>IOInterfaceType</key> <integer>6</integer> <key>IOInterfaceUnit</key> <integer>0</integer> <key>IOLocation</key> <string></string> <key>IOMACAddress</key> <data> ABEkcYZk </data> <key>IOPathMatch</key> <string>IOService:/MacRISC4PE/ht@0,f2000000/AppleMacRiscHT/pci@1/IOPCI2PCIBridge/ethernet@F/UniNEnet/IOEthernetInterface</string> </dict> <dict> <key>BSD Name</key> <string>en1</string> <key>IOBuiltin</key> <false/> <key>IOInterfaceType</key> <integer>6</integer> <key>IOInterfaceUnit</key> <integer>1</integer> <key>IOLocation</key> <string></string> <key>IOMACAddress</key> <data> ABEkI6su </data> <key>IOPathMatch</key> <string>IOService:/MacRISC4PE/ht@0,f2000000/AppleMacRiscHT/pci@2/IOPCI2PCIBridge/pci80211@1/AirPortPCI_MM/IOEthernetInterface</string> </dict> <dict> <key>BSD Name</key> <string>fw0</string> <key>IOBuiltin</key> <false/> <key>IOInterfaceType</key> <integer>144</integer> <key>IOInterfaceUnit</key> <integer>0</integer> <key>IOLocation</key> <string></string> <key>IOMACAddress</key> <data> ABEk//5xhmQ= </data> <key>IOPathMatch</key> <string>IOService:/MacRISC4PE/ht@0,f2000000/AppleMacRiscHT/pci@3/IOPCI2PCIBridge/firewire@E/AppleFWOHCI/IOFireWireController/IOFireWireLocalNode/IOFireWireIP/IOFWInterface</string> </dict> </array> </dict> </plist> Do I need to manually configure with 'scutil'? Am I wrong in assuming that 'Bonjour' should be managing the config based upon DHCP replies? During boot, the system uses the DHCP replies for nameserver, domain name, etc. until configd and lookupd start. Michael _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-dev/site_archiver%40lists.app… Perhaps there's an error in the DNS configuration in the configuration datastore. The command "scutil --dns" will print your DNS client configuration. That would be useful to see. This email sent to site_archiver(a)lists.apple.com

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Re: 'lookupd' fails to query DNS
by Michael Grigoni 11 Jun '08

11 Jun '08

site_archiver(a)lists.apple.com Delivered-To: Darwin-dev(a)lists.apple.com Organization: Cybertheque Museum User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.7.2) Gecko/20040804 Netscape/7.2 (ax) Marc Majka wrote: Thanks for your reply; here is the output of 'scutil --dns'; I will insert a run of 'scutil' inside /etc/rc before 'lookupd' launches and post that result later: darwin1:~ root# scutil --dns DNS configuration resolver #1 resolver #2 domain : local nameserver[0] : 224.0.0.251 nameserver[1] : ff02::fb options : attempts:4 port : 5353 timeout : 2 order : 300000 resolver #3 domain : 254.169.in-addr.arpa nameserver[0] : 224.0.0.251 nameserver[1] : ff02::fb options : attempts:4 port : 5353 timeout : 2 order : 300001 resolver #4 domain : 0.8.e.f.ip6.arpa nameserver[0] : 224.0.0.251 nameserver[1] : ff02::fb options : attempts:4 port : 5353 timeout : 2 order : 300002 _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-dev/site_archiver%40lists.app… Perhaps there's an error in the DNS configuration in the configuration datastore. The command "scutil --dns" will print your DNS client configuration. That would be useful to see. This email sent to site_archiver(a)lists.apple.com

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Re: 'lookupd' fails to query DNS
by Marc Majka 10 Jun '08

10 Jun '08

site_archiver(a)lists.apple.com Delivered-To: Darwin-dev(a)lists.apple.com -- Marc Majka On 10 Jun, 2008, at 13:12, Michael Grigoni wrote: Greetings, I need to troubleshoot 'lookupd' and resolver behavior on Darwin 8.11.0 (OS X 10.4.11); the target is a netbooted G5 using only NFS mounts and no local mass storage. During boot, test pings in /etc/rc work to resolve FQDNs until 'lookupd' is started, and fail thereafter. I have set up 'darwinbuild' and compiled the 'netinfo' package (contains lookupd and the resolver libs) and with the new binaries, the behavior persists. Previous experiments netbooting Darwin 8.0.1 (from the Apple ISO) on this same machine did not produce this behavior (resolver worked after starting lookupd). Kernel traces and 'lookup -d' output are here: http://www.cybertheque.org/sw/darwin/lookupd-debug A similar issue is mentioned on a number of IPhone development websites but the workarounds don't work here. I would appreciate insights from those folks more familiar with the implementation and suggestions for introducing debugging into the code for 'lookupd' and the resolver (and perhaps appropriate libc routines). Regards, Michael Grigoni Cybertheque Museum _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-dev/majka%40apple.com _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-dev/site_archiver%40lists.app… Perhaps there's an error in the DNS configuration in the configuration datastore. The command "scutil --dns" will print your DNS client configuration. That would be useful to see. This email sent to majka(a)apple.com This email sent to site_archiver(a)lists.apple.com

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