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ppp: remove hardcoded lcp-echo-failure, lcp-echo-interval values

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OpenWrt used to ship hardcoded defaults for lcp-echo-failure and
lcp-echo-interval in the non-uci /etc/ppp/options file.

These values break uci support for *disabling* LCP echos through
the use of "option keepalive 0" as either omitting the keepalive
option or setting it to 0 will result in no lcp-echo-* flags
getting passed to the pppd cmdline, causing the pppd process to
revert to the defaults in /etc/ppp/options.

Address this issue by letting the uci "keepalive" option default
to the former hardcoded values "5, 1" and by removing the fixed
lcp-echo-failure and lcp-echo-interval settings from the
/etc/ppp/options files.

Ref: https://github.com/openwrt/luci/issues/2112
Ref: https://dev.archive.openwrt.org/ticket/2373.html
Ref: https://bugs.openwrt.org/index.php?do=details&task_id=854
Ref: https://bugs.openwrt.org/index.php?do=details&task_id=1259
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
(backported from 555c592304)
This commit is contained in:
Jo-Philipp Wich 2018-08-30 15:08:20 +02:00
parent 87a6aadfd5
commit 62e7ad1d21
2 changed files with 2 additions and 2 deletions
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2
package/network/services/ppp/files/etc/ppp/options
View File

@ -6,5 +6,3 @@ nopcomp
nocrtscts nocrtscts
lock lock
maxfail 0 maxfail 0
lcp-echo-failure 5
lcp-echo-interval 1

2
package/network/services/ppp/files/ppp.sh
View File

@ -120,6 +120,8 @@ ppp_generic_setup() {
} }
} }
[ -n "$keepalive" ] || keepalive="5 1"
local lcp_failure="${keepalive%%[, ]*}" local lcp_failure="${keepalive%%[, ]*}"
local lcp_interval="${keepalive##*[, ]}" local lcp_interval="${keepalive##*[, ]}"
local lcp_adaptive="lcp-echo-adaptive" local lcp_adaptive="lcp-echo-adaptive"