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Signals_Init() must only be called once.
This does not affect any ngircd release version.
Earlier version of this patch moved the io and sighandler
initialization before the while() loop, but as Alexander
Barton noticed that broke all systems without builtin select
support in io.c...
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- declare signals_catch[] array not between the function implementations.
- rename now local function NGIRCd_Rehash() to Rehash().
- remove empty and therefore not used "catch SIGHUP; break;".
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This patch allows ngIRCd to dump its internal state (connected clients,
actual configuration) when compiled with --enable-debug. The daemon
catches two more signals:
- SIGUSR1: toggle debug mode (on/off),
- SIGUSR2: dump internal state to console/syslog.
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now that the main signal handling is done from the dispatcher
loop we can call NGIRCD_Rehash() directly.
the /REHASH handler can queue the Rehash() function for
execution by sending a SIGHUP. It will be run when we
return back to the dispatch loop.
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Allows to defer/queue signal processing for execution on the next
event dispatch call, i.e. we can perform any signal action in
normal, non-signal context.
Example uses:
- Reload everything on HUP without writing a global "SIGHUP_received"
variable
- Dump status of internal Lists on SIGUSR1, etc.
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We use assert() in this header, so we should include assert.h.
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Fix synchronization of established connections and configured server
structures after a configuration update:
- Not only test servers that already have a connection, but also check
and update configured servers to which a new connection is beeing
established (SERVER_WAIT state).
- And do the server name comparision case-insensitive.
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Let CheckServers() not only skip servers that already have a
connection, but also skip servers to which a new connection is
already beeing established (SERVER_WAIT state).
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This fixes PING-PONG lag calculation (which resulted in "0" before).
The "lastping" time is still reset it if a time shift backwards has
been detected to prevent the daemon from miscalculating ping timeouts.
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Move common code to new local function Send_Marked_Connections()
and respect hostname cloaking.
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When a client has user mode "x" set, its real hostname is cloaked
by substituting it with the server name (as configured in ngircd.conf).
Restricted clients (user mode "r") aren't allowed to change mode "x".
Please note that hostname cloaking is only in effect in server-client
communication! The server still uses the real hostname for its own
logging and for all server-server communication -- therefore all servers
in the network must support user mode "x" to prevent older servers
from leaking the real hostname of a cloaked client!
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Store cloaked hostname if user mode "x" is set when the client
disconnects from the server.
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These two functions return the cloaked hostname, if the client has
enabled hostname cloaking indicated by the -- still to implement --
user mode "x". See furter patches :-)
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previously, the given MotdFile file was read whenever a client
requested it.
Change handling to read the MotdFile contents into memory once
during config file parsing.
Two side effects:
- changes to the MOTD file do not have any effect until ngircds
configuration is reloaded
- MOTD file does no longer have to reside in the chroot directory
(the MOTD contents will then not be re-read on reload in that case)
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before people had to create a /dev/null inside the chroot to make
redirection work.
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This allows IRC operators to change channel modes of ANY channel,
even without joining these channels first.
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This avoids a race and potentionally killing the wrong process on
systems that use randomized process IDs; now the child itself is
responsible to exit in a timely manner using SIGALRM.
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This is useful in forked child processes, for example, to make sure that
they don't hold connections open that the main process wants to close.
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Some variables are only used when compiling with IDENT or PAM support
or when the debug code is enabled. Mark them as "unused" so that gcc
doesn't generate warnings when neither of these options is enabled.
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