Re: smoke and mirrors - any way to trick an app into thinking I'm running linux?
Jim Stapleton wrote: I don't know how to find out, except that the app is the Crossover Office demo installer. I'd like to try to find a way to trick it into running in the linux compatability mode of FreeBSD if I can. So is there source code? Or is it some dumb binary rpm? You could try running it under ktrace, then look at the output of kdump (assuming that works for linux apps), but the output will be *long* so you will have to edit out a judicious part which leads up to the Linux string being printed, and it might not help. But, it might, for example, look to see if some file exists (/etc/redhat-release or something). Darrin Chandler wrote: In addition, consider respecting the wishes of the developer(s) and not using it. If they have any sort of free license then you can always release a portable fork. Respect a license? Yes, probably. Respect the wishes? Fat chance. That way lies doom... --Alex ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to [EMAIL PROTECTED]
Re: smoke and mirrors - any way to trick an app into thinking I'm running linux?
OK, that was easier than expected. These blobs appeared around everything linux, but don't look horribly useful. I'll check later to see if I can find anything else. is there anything I should be looking for aside from linux? $ wc -l kdumped 11413 kdumped 7851 rm RET fcntl 0 7851 rm CALL fstatfs(0x4,0xbfbfe670) 7851 rm RET fstatfs 0 7851 rm CALL fstat(0x4,0xbfbfe850) 7851 rm RET fstat 0 7851 rm CALL fchdir(0x4) 7851 rm RET fchdir 0 7851 rm CALL getdirentries(0x4,0x8051000,0x1000,0x8050014) 7851 rm RET getdirentries 512/0x200 7851 rm CALL lstat(0x804f2a8,0x804f248) 7851 rm NAMI perl 7851 rm RET lstat 0 7851 rm CALL lstat(0x804f3a8,0x804f348) 7851 rm NAMI cxupgrade 7851 rm RET lstat 0 7851 rm CALL lstat(0x804f4a8,0x804f448) 7851 rm NAMI tcl 7851 rm RET lstat 0 7851 rm CALL lstat(0x804f5a8,0x804f548) 7851 rm NAMI nsplugin-linux.so 7851 rm RET lstat 0 7851 rm CALL lstat(0x804f6a8,0x804f648) 7851 rm NAMI nsplugin-linux64.so 7851 rm RET lstat 0 7851 rm CALL lstat(0x804f7a8,0x804f748) 7851 rm NAMI xml 7851 rm RET lstat 0 7851 rm CALL lstat(0x804fea8,0x804fe48) 7851 rm NAMI libxml2.so.2.6.19 7851 rm RET lstat 0 7851 rm CALL lstat(0x804ffa8,0x804ff48) 7851 rm NAMI libxml2.so.2 7851 rm RET lstat 0 7851 rm CALL lstat(0x80520a8,0x8052048) 7851 rm NAMI libxml2.so 7851 rm RET lstat 0 7851 rm CALL lstat(0x80521a8,0x8052148) 7851 rm NAMI libxslt.so.1.1.14 7851 rm RET lstat 0 7851 rm CALL lstat(0x80522a8,0x8052248) 7851 rm NAMI libxslt.so.1 7851 rm RET lstat 0 7851 rm CALL lstat(0x80523a8,0x8052348) 7851 rm NAMI libxslt.so 7851 rm RET lstat 0 7851 rm CALL lstat(0x80524a8,0x8052448) 7851 rm CALL unlink(0x80530a8) 7851 rm NAMI libimg1.2.so 7851 rm RET unlink 0 7851 rm CALL unlink(0x80531a8) 7851 rm NAMI libTktable2.8.so 7851 rm RET unlink 0 7851 rm CALL open(0x2813fcd0,0,0) 7851 rm NAMI .. 7851 rm RET open 4 7851 rm CALL fstat(0x4,0xbfbfe8c0) 7851 rm RET fstat 0 7851 rm CALL fchdir(0x4) 7851 rm RET fchdir 0 7851 rm CALL close(0x4) 7851 rm RET close 0 7851 rm CALL rmdir(0x804f4a8) 7851 rm NAMI tcl 7851 rm RET rmdir 0 7851 rm CALL unlink(0x804f5a8) 7851 rm NAMI nsplugin-linux.so 7851 rm RET unlink 0 7851 rm CALL unlink(0x804f6a8) 7851 rm NAMI nsplugin-linux64.so 7851 rm RET unlink 0 7851 rm CALL stat(0x804f7a8,0xbfbfe850) 7851 rm NAMI xml 7851 rm RET stat 0 7851 rm CALL open(0x804f7a8,0x4,0x1) 7851 rm NAMI xml 7851 rm RET open 4 7851 rm CALL fstat(0x4,0xbfbfe850) 7851 rm RET fstat 0 7851 rm CALL fcntl(0x4,0x2,0x1) 7851 rm RET fcntl 0 7851 rm CALL fstatfs(0x4,0xbfbfe670) 7851 rm RET fstatfs 0 7851 rm CALL fstat(0x4,0xbfbfe850) 7851 rm RET fstat 0 7851 rm CALL fchdir(0x4) 7851 rm RET fchdir 0 7851 rm CALL getdirentries(0x4,0x8051000,0x1000,0x8050014) 7851 rm RET getdirentries 512/0x200 7851 rm CALL lstat(0x8052da8,0x8052d48) 7851 rm NAMI perl 7851 rm RET lstat 0 7851 rm CALL getdirentries(0x4,0x8051000,0x1000,0x8050014) 7851 rm RET rmdir 0 7851 rm CALL unlink(0x804f3a8) 7851 rm NAMI setup.glade 7851 rm RET unlink 0 7851 rm CALL stat(0x804f4a8,0xbfbfe850) 7851 rm NAMI bin 7851 rm RET stat 0 7851 rm CALL open(0x804f4a8,0x4,0x1) 7851 rm NAMI bin 7851 rm RET open 4 7851 rm CALL fstat(0x4,0xbfbfe850) 7851 rm RET fstat 0 7851 rm CALL fcntl(0x4,0x2,0x1) 7851 rm RET fcntl 0 7851 rm CALL fstatfs(0x4,0xbfbfe670) 7851 rm RET fstatfs 0 7851 rm CALL fstat(0x4,0xbfbfe850) 7851 rm RET fstat 0 7851 rm CALL fchdir(0x4) 7851 rm RET fchdir 0 7851 rm CALL getdirentries(0x4,0x8051000,0x1000,0x8050014) 7851 rm RET getdirentries 512/0x200 7851 rm CALL lstat(0x804f2a8,0x804f248) 7851 rm NAMI Linux 7851 rm RET lstat 0 7851 rm CALL getdirentries(0x4,0x8051000,0x1000,0x8050014) 7851 rm RET getdirentries 0 7851 rm CALL lseek(0x4,0,0,0,0) 7851 rm RET lseek 0 7851 rm CALL close(0x4) 7851 rm RET close 0 7851 rm CALL stat(0x804f2a8,0xbfbfe850) 7851 rm NAMI Linux 7851 rm RET stat 0 7851 rm CALL open(0x804f2a8,0x4,0x1) 7851 rm NAMI Linux 7851 rm RET open 4 7851 rm CALL
Re: smoke and mirrors - any way to trick an app into thinking I'm running linux?
Ahh, it is, in fact, a binary sh. The binary compatability looks pretty thourough, and it seems most of the details in the compatability section for most apps seem to involve making them check for BSD instead of linux, and ensuring they run in compatability mode, I'll run ktrace tonight. thanks. I really want to proove to these people that the port will not be a $60k effor, more like a $20 effort. On 6/19/06, Alex Zbyslaw [EMAIL PROTECTED] wrote: Jim Stapleton wrote: I don't know how to find out, except that the app is the Crossover Office demo installer. I'd like to try to find a way to trick it into running in the linux compatability mode of FreeBSD if I can. So is there source code? Or is it some dumb binary rpm? You could try running it under ktrace, then look at the output of kdump (assuming that works for linux apps), but the output will be *long* so you will have to edit out a judicious part which leads up to the Linux string being printed, and it might not help. But, it might, for example, look to see if some file exists (/etc/redhat-release or something). Darrin Chandler wrote: In addition, consider respecting the wishes of the developer(s) and not using it. If they have any sort of free license then you can always release a portable fork. Respect a license? Yes, probably. Respect the wishes? Fat chance. That way lies doom... --Alex ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to [EMAIL PROTECTED]
Re: smoke and mirrors - any way to trick an app into thinking I'm running linux?
Jim Stapleton wrote: OK, that was easier than expected. These blobs appeared around everything linux, but don't look horribly useful. I'll check later to see if I can find anything else. is there anything I should be looking for aside from linux? What you want to find is the error message you got about Only runs on Linux. I was assuming this is just a single binary, but if there is lots of stuff including sh scripts and stuff then a grep for some part of the string in all the files might point you in the right direction. I think Linux was all caps so a case-sensitive grep (i.e. not -i) for Linux should do the trick. If in doubt try to find the earliest word in the error string since ktrace will chop off long strings. (Sorry, lost your original post already and can't exactly remember the string). I really want to proove to these people that the port will not be a $60k effor, more like a $20 effort. Better not tell you my hourly rate then ;-) --Alex ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to [EMAIL PROTECTED]
Re: smoke and mirrors - any way to trick an app into thinking I'm running linux?
found it; uname -a, I fixed that line, now I just need to figure out how to get the appropriate libs (glibc) into my compat dir... it isn't in any of the linux compat ports. -Jim Stapleton On 6/19/06, Alex Zbyslaw [EMAIL PROTECTED] wrote: Jim Stapleton wrote: OK, that was easier than expected. These blobs appeared around everything linux, but don't look horribly useful. I'll check later to see if I can find anything else. is there anything I should be looking for aside from linux? What you want to find is the error message you got about Only runs on Linux. I was assuming this is just a single binary, but if there is lots of stuff including sh scripts and stuff then a grep for some part of the string in all the files might point you in the right direction. I think Linux was all caps so a case-sensitive grep (i.e. not -i) for Linux should do the trick. If in doubt try to find the earliest word in the error string since ktrace will chop off long strings. (Sorry, lost your original post already and can't exactly remember the string). I really want to proove to these people that the port will not be a $60k effor, more like a $20 effort. Better not tell you my hourly rate then ;-) --Alex ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to [EMAIL PROTECTED]
Re: smoke and mirrors - any way to trick an app into thinking I'm running linux?
Jim Stapleton wrote: found it; uname -a, I fixed that line, now I just need to figure out how to get the appropriate libs (glibc) into my compat dir... it isn't in any of the linux compat ports. Good stuff. The glibc you have might just do fine. Just make a symlink from the one you want to the one you have and try! There's an FC4 linux in the ports, IIRC which is as recent as any Linux I have to administer; I have trouble believing you'd need a newer one otherwise the app won't even run on most Linux machines :-) Or maybe your app has an RPM for an older linux you could try. --Alex ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to [EMAIL PROTECTED]
Re: smoke and mirrors - any way to trick an app into thinking I'm running linux?
The problem is I don't already have one, though there is a reply to my other post that I'll be looking at in a few minutes, maybe something will be there. I updated the locate db, and tried to locate glibc, but I only found documentation, and a few bin (not lib) compat files that look like they are meant to upgrade something, but creat no glibc. What I was considering was linking my libc.so.6 file (no g) to a glibc file in compat. -Jim Stapleton Good stuff. The glibc you have might just do fine. Just make a symlink from the one you want to the one you have and try! There's an FC4 linux in the ports, IIRC which is as recent as any Linux I have to administer; I have trouble believing you'd need a newer one otherwise the app won't even run on most Linux machines :-) Or maybe your app has an RPM for an older linux you could try. ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to [EMAIL PROTECTED]
Re: smoke and mirrors - any way to trick an app into thinking I'm running linux?
Alex wrote: The glibc you have might just do fine. Just make a symlink from the one you want to the one you have and try! Jim Stapleton wrote: The problem is I don't already have one, though there is a reply to my other post that I'll be looking at in a few minutes, maybe something will be there. I updated the locate db, and tried to locate glibc, but I only found documentation, and a few bin (not lib) compat files that look like they are meant to upgrade something, but creat no glibc. What I was considering was linking my libc.so.6 file (no g) to a glibc file in compat. glibc is the name of the package (gnu libc) but the actual library is called libc.so.?, at least on the Linux machine I just looked at. Are you sure the app is looking for glibc? Trying to link the compat/linux/lib/libc - glibc is worth a try (just don't link to the FreebSD libc), but I don't think it's right. Generally, all libraries have to start with lib or the linker doesn't know how to find them. --Alex ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to [EMAIL PROTECTED]
Re: smoke and mirrors - any way to trick an app into thinking I'm running linux?
Jim Stapleton wrote: Basically, I have an application that doesn't want to run in FreeBSD, though it may still run given the compatability layer. I was wondering if there was some way to make the OS respond when it ran the application, that it was linux and not BSD. i.e. $ ./some_app Sorry, we only deal with Linux people, go away! $ sysctl.pretend.register /home/me/some_app generic-i386-linux $ ./some_app Hello world! That really rather depends on *how* the app is asking. If you can tell us that, we can almost certainly tell you how to fool it. Of course, if you have the source code, it should be easy as you can just comment out the test and recompile. Mind you, if the app is as short-sighted and bloody-minded as its developers, maybe you should just look for an alternative. --Alex ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to [EMAIL PROTECTED]
Re: smoke and mirrors - any way to trick an app into thinking I'm running linux?
I don't know how to find out, except that the app is the Crossover Office demo installer. I'd like to try to find a way to trick it into running in the linux compatability mode of FreeBSD if I can. On 6/18/06, Alex Zbyslaw [EMAIL PROTECTED] wrote: Jim Stapleton wrote: Basically, I have an application that doesn't want to run in FreeBSD, though it may still run given the compatability layer. I was wondering if there was some way to make the OS respond when it ran the application, that it was linux and not BSD. i.e. $ ./some_app Sorry, we only deal with Linux people, go away! $ sysctl.pretend.register /home/me/some_app generic-i386-linux $ ./some_app Hello world! That really rather depends on *how* the app is asking. If you can tell us that, we can almost certainly tell you how to fool it. Of course, if you have the source code, it should be easy as you can just comment out the test and recompile. Mind you, if the app is as short-sighted and bloody-minded as its developers, maybe you should just look for an alternative. --Alex ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to [EMAIL PROTECTED]
Re: smoke and mirrors - any way to trick an app into thinking I'm running linux?
On Sun, Jun 18, 2006 at 10:13:03PM +0100, Alex Zbyslaw wrote: That really rather depends on *how* the app is asking. If you can tell us that, we can almost certainly tell you how to fool it. Of course, if you have the source code, it should be easy as you can just comment out the test and recompile. Mind you, if the app is as short-sighted and bloody-minded as its developers, maybe you should just look for an alternative. I agree with the above. In addition, consider respecting the wishes of the developer(s) and not using it. If they have any sort of free license then you can always release a portable fork. -- Darrin Chandler| Phoenix BSD Users Group [EMAIL PROTECTED] | http://bsd.phoenix.az.us/ http://www.stilyagin.com/ | ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to [EMAIL PROTECTED]
Re: smoke and mirrors - any way to trick an app into thinking I'm running linux?
Jim Stapleton [EMAIL PROTECTED] wrote: Basically, I have an application that doesn't want to run in FreeBSD, though it may still run given the compatability layer. I was wondering if there was some way to make the OS respond when it ran the application, that it was linux and not BSD. Have a read of the man page for brandelf and see if that helps you. -- Bill Moran I lay down for a while, and I woke up on the ocean, floating on my back, and staring at the grey. It was completely still, 'cept for the pounding of my heart, was bring me back to life, from three strange days. ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to [EMAIL PROTECTED]
