Hello to all:
I have write a usb smart card driver for pcscd,and when I run the
pcscd from command line,it can catch my USB Smart card,but when I
plugin my token ,the securityd does't lauch pcscd automaticity. Is
there something I lost?
Your reader must be either of USB device class "smart card" (CCID) or
of class "vendor defined". Securityd watches for both of those classes
and launched pcscd if it detects either. (If pcscd does not recognize
the reader, it won't post device-insertion notifications, and
securityd will kill it again after a few minutes.)
I read the source code of securityd, find it have different mode of
lauch pcscd,such as "conservative" "aggressive". So how can I change
this mode?
That's the -s argument to securityd. You can change it in securityd's
startup script, in
/System/Library/LaunchDaemons/com.apple.securityd.plist.
In conservative mode, securityd does not respond to vendor-defined
class devices (because those can be anything - that's the catch-all
device class in USB, and many - particularly older - USB devices fall
there). In aggressive mode, it does launch pcscd on those.
Another value useful for testing (but not deployment!) is "-s
external", which keeps securityd from managing pcscd and instead tells
it to use an already-running pcscd (that you presumably hand-started,
perhaps under gdb). If that works fine, then it's likely that you're
having auto-launch trouble of some kind.
Another (cheesy) work-around is to plug a CCID reader into the
computer. That'll launch pcscd, and once it's running, it will scan
for any other readers according to its own rules and procedures.
Cheers
-- perry
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