Nicholas J. Kain
04840c261d
Fix some c99 struct initializer uninitialized member warnings
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that clang detects and GCC misses.
2015-02-13 23:25:42 -05:00
Nicholas J. Kain
702d8b0c5b
Mark pointer arguments that cannot ever be null as [static 1].
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Also constify some cases, too.
2015-02-13 23:14:08 -05:00
Nicholas J. Kain
911d4cc58e
Fix the dhcp state bootstrapping when rfkill is set #3 .
2015-02-13 19:08:50 -05:00
Nicholas J. Kain
2e679ed491
Fix the dhcp state bootstrapping when rfkill is set #2 .
2015-02-13 18:35:44 -05:00
Nicholas J. Kain
a8af406307
Fix the dhcp state bootstrapping when rfkill is set.
2015-02-13 18:07:14 -05:00
Nicholas J. Kain
79a97131bc
Handle the case where the rfkill is set when ndhc is initializing.
2015-02-13 17:50:24 -05:00
Nicholas J. Kain
cf81573082
Fix a dumb typo in the previous commit.
2015-02-13 16:56:56 -05:00
Nicholas J. Kain
e3d4d4c1aa
rfkill: Add support for reacting to radio kill switch events.
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In order for this to work, the correct rfkill index must be specified
with the rfkill-idx option.
It might be possible to auto-detect the corresponding rfkill-idx option,
but I'm not sure if there's a guaranteed mapping between rfkill name and
interface name, as it seems that rfkills should represent phy devices
and not wlan devices.
The rfkill indexes can be found by checking
/sys/class/rfkill/rfkill<IDX>.
2015-02-13 16:25:36 -05:00
Nicholas J. Kain
c58a071f52
Update copyright dates.
2015-02-13 01:54:57 -05:00
Nicholas J. Kain
07cbd88049
Just use raw sockets for listening to DHCP requests. A UDP SO_BROADCAST
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socket was previously used only for receiving RENEWING packets, and it
added needless complexity and was somewhat fragile.
2014-04-16 01:00:36 -04:00
Nicholas J. Kain
0884d96d1e
PR_SET_PDEATHSIG is not fully reliable, so instead maintain a pair of
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AF_UNIX SOCK_STREAM sockets between the master processes and each subprocess,
and poll for the HUP event.
At the same time, be specific about the events that are checked in epoll
when dispatching on an event.
2014-04-15 23:19:24 -04:00
Nicholas J. Kain
e526adce19
Make the signal handling code use safe_read() and unify ifchd and sockd
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signals code.
2014-04-15 20:55:13 -04:00
Nicholas J. Kain
b00444ab8b
Bound the subprocess lifetime using prctl(PR_SET_PDEATHSIG, ...).
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The pipes wouldn't do this job anymore because they were unused and thus
never performed writes that would generate SIGPIPEs, so the pipes are
removed, too.
2014-04-15 18:01:01 -04:00
Nicholas J. Kain
730e5ef310
setpgid() can return EPERM if we are already a process group leader.
2014-04-15 15:02:20 -04:00
Nicholas J. Kain
a777766cc6
Fix stupid typo in ndhc.c that would cause the clientid option to
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corrupt the start of the hostname option if both were specified.
2014-04-15 14:55:50 -04:00
Nicholas J. Kain
a501789e04
Parse config options with ragel and support a configuration file.
2014-04-14 15:06:31 -04:00
Nicholas J. Kain
d267c2c44b
Use the raw capability interface via updated ncmlib rather than linking
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to libcap.
2014-04-07 15:05:34 -04:00
Nicholas J. Kain
5fa2030bab
Use a socketpair rather than a pair of pipes for communication between
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ndhc and ifch, similar to sockd. A single pipe is also maintained so
that SIGPIPE can bound the lifetime of an orphaned ifch process.
2014-04-07 03:44:02 -04:00
Nicholas J. Kain
e2ee728982
Consolidate all of the global static variables in arp.c into a single
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struct, and use booleans where appropriate.
2014-04-06 22:12:31 -04:00
Nicholas J. Kain
a86363f248
Create a new process ID group for ndhc.
2014-04-06 22:07:12 -04:00
Nicholas J. Kain
b761889025
Move source from ndhc/ to src/ since ifchd is no longer a separate program.
2014-04-06 16:57:06 -04:00
