pkg_info -g not working for unprivileged user + unreadable files

[Doug Barton]

flz,

In r206043 you converted fexists() in src/lib/libpkg/file.c to use 
open() instead of lstat(). Unfortunately this has the side effect of 
breaking 'pkg_info -g' for unprivileged users with files that have no +r 
bits. For example:

pkg_info -g sudo-1.7.4.6
Information for sudo-1.7.4.6:

Mismatched Checksums:
pkg_info: /usr/local/bin/sudo doesn't exist
pkg_info: /usr/local/bin/sudoedit doesn't exist
pkg_info: /usr/local/bin/sudoreplay doesn't exist
pkg_info: /usr/local/sbin/visudo doesn't exist

Reverting your change produces the expected behavior. So my questions 
are, why was the change made, what are its benefits, and how can we fix 
this problem?  :)


Thanks,

Doug

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