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Help needed for wpa enterprise on powerbook g4
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therealjrd
Tux's lil' helper
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Joined: 18 May 2006
Posts: 103

PostPosted: Sun Jun 24, 2007 9:29 pm    Post subject: Help needed for wpa enterprise on powerbook g4 Reply with quote

Hoping someone can lend aid, comfort, pithy comments, urls, howtos, whatever.

I have recycled a powerbook g4 (titanium) for use as a gentoo laptop. Most stuff worked fine, but I'm having a terrible time getting the wireless working the way I want. The card is the builtin Airport (not airport extreme).

WEP works fine, but one of the networks I need to connect to uses WPA enterprise, and I've totally failed to get that working. I'm running kde 3.5, and started trying to use knetworkmanager, which failed. I'm now convinced that those tools are not the problem, as I've been peeling it back trying progressively simpler configurations, still without success.

I started with the ebuild of wpa_supplicant, emerged with ~x86, which got me version 0.5.7. I have since hand-built 0.6.0, including the debug cli, but it doesn't work any better. With networkmanager, I'm not supposed to have to wire my wpa keys into the wpa_supplicant.conf, but I did for debugging purposes. When I try to start it up using wpa_cli, it sees my network, but doesn't seem to want to associate with it. Below is an excerpt from the debug output from wpa_supplicant.

When I try that (or other operations) I've checked the radius server, as well as dumping traffic on the wireless network, and there's no evidence that I'm getting as far as trying to authenticate. It *does* seem to be asking for a dhcp lease. It seems as though there's something dropping the ball between the driver and the hardware, or something.

Other things I've tried:

Based on assorted googling, it looks like the older airport cards use the "hermes" chipset. My kernel has hermes support enabled (and dmesg says that it's autoloading the airport/orinoco/hermes stuff at boot time) but further googling suggested that there may be bugs in the kernel's driver, and there's this other driver called wlags49. I tracked down source for that, but it doesn't want to build without pcmcia-cs, which appears to be deprecated.

I tried to build wpa_supplicant with built-in hermes support, but that didn't work without building the driver. I've tried using wpa_supplicant with wext and ndiswrapper, but neither seems to work.

Essentially, I believe I'm blundering around in the dark at this point. Most of the doc for these things seems to pretty thin, so I'm probably doing something stupid. Has anybody out there tried this kind of thing? There's a lot of these machines kicking around, I figure somebody other than me must have tried this. Any hints much appreciated. TIA!

Here's the output from wpa_supplicant.

CTRL_IFACE: SELECT_NETWORK id=0
Setting scan request: 0 sec 0 usec
wpa_supplicant_scan: Reached end of scan list - go back to beginning
Setting scan request: 0 sec 0 usec
Trying to associate with SSID 'Unstable Stables'
CTRL_IFACE monitor send - hexdump(len=21): 2f 74 6d 70 2f 77 70 61 5f 63 74 72 6c 5f 36 37 37 38 2d 30 00
Cancelling scan request
WPA: clearing own WPA/RSN IE
Automatic auth_alg selection: 0x1
WPA: No WPA/RSN IE available from association info
WPA: Set cipher suites based on configuration
WPA: Selected cipher suites: group 24 pairwise 24 key_mgmt 1 proto 2
WPA: clearing AP WPA IE
WPA: clearing AP RSN IE
WPA: using GTK CCMP
WPA: using PTK CCMP
WPA: using KEY_MGMT 802.1X
WPA: Set own WPA IE default - hexdump(len=22): 30 14 01 00 00 0f ac 04 01 00 00 0f ac 04 01 00 00 0f ac 01 00 00
No keys have been configured - skip key clearing
State: ASSOCIATING -> ASSOCIATING
wpa_driver_wext_set_operstate: operstate 0->0 (DORMANT)
WEXT: Operstate: linkmode=-1, operstate=5
Setting authentication timeout: 60 sec 0 usec

... then nothing.
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JoseJX
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Joined: 28 Apr 2002
Posts: 2774

PostPosted: Mon Jun 25, 2007 9:09 pm    Post subject: Reply with quote

Sorry, but at this time the orinoco driver (which is used for the airport card) does not support WPA.
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therealjrd
Tux's lil' helper
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Joined: 18 May 2006
Posts: 103

PostPosted: Tue Jun 26, 2007 12:56 am    Post subject: Reply with quote

Drat.

Well, ok, has anybody got any info about any work being done on the driver? I've tried contacting the devos listed in the source file, but no response.

Alternatively, can anybody point to info about how to add wpa capability? I'm happy to hack drivers, but would appreciatewany pointers to examples of what needs to be done to make a driver wpa-capable.

TIA...
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JoseJX
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PostPosted: Tue Jun 26, 2007 10:53 am    Post subject: Reply with quote

I think the issue with it currently is that it was written so long ago that it doesn't support the ioctls that wpa_supplicant uses. You would be better off asking on the linux wireless development mailing list, someone there can probably answer your questions about the driver.
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therealjrd
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Joined: 18 May 2006
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PostPosted: Tue Jun 26, 2007 11:59 am    Post subject: Reply with quote

Thanks. I've been sending mail to various lists but so far have gotten no reponse. Figured it was worth a try to see if anybody here knew.
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