reading the following section on UCI:
http://wiki.openwrt.org/doc/uci#command.line.utility
and the following section seems really confusing:
"When there are multiple rules next to each other, UCI uses array-like
references for them. If there are 8 NTP servers, UCI will let you
reference their sections as timeserver.@timeserver[0] for the first or
timeserver.@timeserver[7] for the last one. "
i couldn't figure out the value of a reference of the general form
"timeserver.@timeserver[?]" so i built a simple image for my d-link
and here's what i *think* is going on and i'd like someone else to
confirm it because i definitely think needs more explanation.
i ran "uci show" and immediately saw this snippet:
dropbear.@dropbear[0]=dropbear
dropbear.@dropbear[0].PasswordAuth=on
dropbear.@dropbear[0].RootPasswordAuth=on
dropbear.@dropbear[0].Port=22
so i looked at /etc/config/dropbear and saw the following:
config dropbear
option PasswordAuth 'on'
option RootPasswordAuth 'on'
option Port '22'
# option BannerFile '/etc/banner'
ah, so i think i see what's happening. that general form represents a
/etc/config file where the "config" directive has the same name as the
file itself, which strikes me as somewhat redundant, does it not? it
seems unnecessary to have a UCI config file /etc/config/dropbear which
contains the config directive:
config dropbear
of *course* it's configuring dropbear, we already *know* that. so
to add a further config directive like that is what produces the
visually redundant output:
# uci show dropbear
dropbear.@dropbear[0]=dropbear
dropbear.@dropbear[0].PasswordAuth=on
dropbear.@dropbear[0].RootPasswordAuth=on
dropbear.@dropbear[0].Port=22
#
is that correct?
the file /etc/config/ucitrack file causes more of the similarly
redundant info, such as:
ucitrack.@dhcp[0]=dhcp
ucitrack.@dhcp[0].init=dnsmasq
which again seem redundant but is produced by the lines:
config dhcp
option init dnsmasq
am i understanding this correctly?
rday
--
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Robert P. J. Day Ottawa, Ontario, CANADA
http://crashcourse.ca
Twitter: http://twitter.com/rpjday
LinkedIn: http://ca.linkedin.com/in/rpjday
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