I have found a problem with ipfwadm-2.3.0 when compiled under
glibc-2.0.7. In the linux-2.0 kernel, <linux/ip_fw.h> defines struct
ip_fw, which contains (among other things) byte & packet counters specified
as unsigned longs. In the glibc include <netinet/ip_fw.h>, struct ip_fw is
defined with the counters as u_int32_t. This coincidentally works on x86,
but on Alpha it causes both unaligned traps and changes the size of the
firewall struct, which, when passed in a call to setsockopt() is an
invalid argument (and setsockopt fails).
I'm not sure who's to blame here though. Is it proper that a.)
fw_bcnt and fw_pcnt be changed to u_int64_t in glibc, or b.) ipfwadm-2.3
include <linux/ip_fw.h> over glibc's? It seems to me that glibc should be
changed.
Thoughts?
-bp
-- B. James Phillippe <bryan@terran.org> Linux Software Engineer, WGT Inc. http://earth.terran.org/~bryan
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