Change active node count to a protected (thread-safe) integer.

JSexec confirm function now prompts user and return value is based on their
response.

telnet_gate() now enables the telnet command pass-through after negotiating
necessary options. This doesn't quite fix the problem reported with telgating
to nethack.alt.org, but it's a step in the right direction.

detection and lock file detection.

commonly modified by multiple threads, potentially simultaneously, resulting in
bad values (e.g. active_clients = -1).
Updated copyright date to 2011.
Fixed Win32 compile bug in main.cpp introduced in last commit.
Eliminated some unused variables and updated some times (e.g. ulong in place
fo uint32_t).

are where the code was actually "wrong" in some way and the cast was not
intentional.

If the compiler thinks you need to be warned about casting a pointer to an
int of a different size and that's exactly what we mean to do, then we
*should* be getting a warning.

active not behaving corretly... assume new behaviour.

inserting (long) typedefs to prevent warnings, but in the case of the JS File()
class, actually supporting file lengths > 32-bit.

crash when including @pause@ in text/badhost.msg file).
Don't set sbbs->client_socket to INVALID_SOCKET as that stops the
output_thread() and prevents SSH and other stuff from working.

warning log level.
Added more debug log output.

error counting/logging/messages to be handled by front-end (e.g. control panel)
regardless of log_level setting.
Mail server now filters blocked-subjects before applying DNSBL tag.
Received message header TO and FROM fields are no longer checked against the
email.can file for SMTP-authenticated clients.
SMTP MAIL FROM and RCTP TO addresses are no longer checked against the
email.can file for SMTP-authenticated clients.
Statistics are displayed in a more legible manner when the mail server is
terminated.
The msgs_received stats counter now includes blocked and ignored messages too.

system (in a multi-computer BBS) the error occurred.
For the mail server:
- keep track of the number of times each mailproc handled a message
- display counters when blocking/filtering messages in log output
- advertise 8BITMIME in the ESMTP EHLO response
- do not route mail to mailproc when the execution requirements are not met
  (e.g. ARS, DNSBL, SPAM, etc.)

Configurable via ctrl/sbbs.ini file JavaScriptLoadPath key value
(comma-separate listed of search directories), default value is "load".
This list is exposed in the JS object model via the js.load_path_list array
(may be modified by scripts).
For JSexec, the default load path list may be over-ridden with the '-i' option.
For relative load paths (e.g. not beginning with '/' or '\'), the path is
assumed to be a sub-directory of the (configurable) mods or exec directories
and is searched accordingly.
So, by default, load("somefile.js") will search in this order:
mods/load/somefile.js
exec/load/somefile.js
mods/somefile.js
exec/somefile.js

change in rev 1.507 (Dec-20-2008):
sbbs->event_thread_running was being set to false *before* js_cleanup() was
being called, so it was possible for the js_cleanup() in the sbbs_t destructor
to be called simultaneously with the js_cleanup() at the end of the
event_thread causing mayhem.

thread-safe. This needs to be done for the mail server do, but major
(unrelated) changes are pending.

Added HOST and IP keywords to allow restricted access/privileges to/for
specific remote hostnames or IP addresses (wildcards allowed).
All string-argument type ARS keywords (e.g. SHELL, PROT, etc.) now support .can
style wildcards.
The current remote client is now used for protocol, host, and IP ARS checking,
when available, so this requires passing the client pointer around (which
explains why so many files are touched by this change) and takes care of a
long standing to-do item (the user's 'modem' value was used for the PROT
value checking, which was not always correct).

(non-deleted) mail in the mailbox, prompt the user to delete all the mail
waiting.

sbbs_t::rputs() now:
* Can accept an optional length argument which allows it to output strings
with embedded NULs if desired.
* If a call to outcom() fails, terminates and returns the sent number of chars.
* Performs Telnet IAC escaping when appropriate.
* Checks online value in while() loop.
* No longer output to log if "on local" - event scripts aren't expected to use
this function.
JS console.write() and writeln() now use rputs() instead of putcom() so that
Telnet IAC chars are escaped when necessary and saveline/restoreline will work.
sbbs_t::putcom() now returns the number of chars sent successfully.

*has* caused a crash in the wild.

place to do it, but may need some special handling for HTMLterm mode.
Parse columns from ANSI cursor position reports.
Request Telnet "Negotiate Window Size" option during answer since this is more
reliable than ANSI cursor position reporting (especially with terminals that
wrap cursor positioning requests).
Improve validation of ANSI cursor position reports.

timed event will execute in (default is any/all).

Constified the arguments.
Created exascii_to_ascii_char().
Created ctrl_a_to_ascii_char().
strip_ctrl() and prep_file_desc() now takes 2 args.
strip_ctrl(), strip_exascii() and prep_file_desc() now strdup() the input
string and if the dest arg is NULL, returns the allocated and modified copy.
sbbs_t::bputs() now handles ^AZ.
Change Ctrl-A code message network exporting:
1. ^AL, ^A<, ^A[, and ^A] are always translated to ASCII equivalents.
2. ^AZ will terminate the message body prematurely if found.
3. Ex-ASCII (CP437) chars will be translated to ASCII equivalents (rather than
'*') for "ASCII Only" subs.
For import, don't allow Ctrl-AP or Ctrl-AL.
For SBBSecho:
Added support for specifying a link's address on the command-line (e.g. for
use with -h).
Mail server now strips Ctrl-A codes from message bodies for sending via POP3
or SMTP.

supports RLogin and SSH in addition to Telnet).

may be different than the cbdata pointer for the other bbs_startup_t callbacks.
NT services now include the log level in log messages (allowing SBBSCTRL
to filter/colorize as appropriate).

data/error.log file.
Also, fixed the possible infinite loop in main.cpp output_thread() when send()
fails for the system output socket.

Also, on FreeBSD, SetThreadName() will silently fail if the name is more
than 19 bytes long (not including terminating null) truncate as needed.