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SGI Freeware 2001 May
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SGI Freeware 2001 May - Disc 3.iso
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fw_apache.idb
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apxs.z
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apxs
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2001-01-10
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#!/usr/bin/perl5
## ====================================================================
## Copyright (c) 1998-1999 The Apache Group. All rights reserved.
##
## Redistribution and use in source and binary forms, with or without
## modification, are permitted provided that the following conditions
## are met:
##
## 1. Redistributions of source code must retain the above copyright
## notice, this list of conditions and the following disclaimer.
##
## 2. Redistributions in binary form must reproduce the above copyright
## notice, this list of conditions and the following disclaimer in
## the documentation and/or other materials provided with the
## distribution.
##
## 3. All advertising materials mentioning features or use of this
## software must display the following acknowledgment:
## "This product includes software developed by the Apache Group
## for use in the Apache HTTP server project (http://www.apache.org/)."
##
## 4. The names "Apache Server" and "Apache Group" must not be used to
## endorse or promote products derived from this software without
## prior written permission. For written permission, please contact
## apache@apache.org.
##
## 5. Products derived from this software may not be called "Apache"
## nor may "Apache" appear in their names without prior written
## permission of the Apache Group.
##
## 6. Redistributions of any form whatsoever must retain the following
## acknowledgment:
## "This product includes software developed by the Apache Group
## for use in the Apache HTTP server project (http://www.apache.org/)."
##
## THIS SOFTWARE IS PROVIDED BY THE APACHE GROUP ``AS IS'' AND ANY
## EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
## IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
## PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE APACHE GROUP OR
## ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
## NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
## LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
## HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
## STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
## ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
## OF THE POSSIBILITY OF SUCH DAMAGE.
## ====================================================================
##
## This software consists of voluntary contributions made by many
## individuals on behalf of the Apache Group and was originally based
## on public domain software written at the National Center for
## Supercomputing Applications, University of Illinois, Urbana-Champaign.
## For more information on the Apache Group and the Apache HTTP server
## project, please see <http://www.apache.org/>.
##
##
## apxs -- APache eXtenSion tool
## Written by Ralf S. Engelschall <rse@apache.org>
##
require 5.003;
use strict;
package apxs;
##
## Configuration
##
my $CFG_ROOT = $ENV{ROOT}; # added by SGI Freeware
my $CFG_TARGET = q(httpd); # substituted via Makefile.tmpl
my $CFG_CC = q(cc); # substituted via Makefile.tmpl
my $CFG_CFLAGS = q( -DIRIX -n32 -DMOD_SSL=207101 -DUSE_HSREGEX -DEAPI -DUSE_EXPAT -I../lib/expat-lite `../apaci`);
my $CFG_CFLAGS_SHLIB = q(-KPIC -DSHARED_MODULE); # substituted via Makefile.tmpl
my $CFG_LD_SHLIB = q(ld); # substituted via Makefile.tmpl
my $CFG_LDFLAGS_SHLIB = q(-n32 -shared); # substituted via Makefile.tmpl
my $CFG_LIBS_SHLIB = q(); # substituted via Makefile.tmpl
my $CFG_PREFIX = qq(${CFG_ROOT}/usr/freeware/apache); # substituted via APACI install
my $CFG_SBINDIR = qq(${CFG_ROOT}/usr/freeware/apache/sbin); # substituted via APACI install
my $CFG_INCLUDEDIR = qq(${CFG_ROOT}/usr/freeware/apache/include); # substituted via APACI install
my $CFG_LIBEXECDIR = qq(${CFG_ROOT}/usr/freeware/apache/libexec); # substituted via APACI install
my $CFG_SYSCONFDIR = qq(${CFG_ROOT}/usr/freeware/apache/etc); # substituted via APACI install
##
## Cleanup the above stuff
##
$CFG_CFLAGS =~ s|^\s+||;
$CFG_CFLAGS =~ s|\s+$||;
$CFG_CFLAGS =~ s|\s+`.+apaci`||;
##
## parse argument line
##
# defaults for parameters
my $opt_n = '';
my $opt_g = '';
my $opt_c = 0;
my $opt_o = '';
my @opt_D = ();
my @opt_I = ();
my @opt_L = ();
my @opt_l = ();
my @opt_W = ();
my @opt_S = ();
my $opt_e = 0;
my $opt_i = 0;
my $opt_a = 0;
my $opt_A = 0;
my $opt_q = 0;
# this subroutine is derived from Perl's getopts.pl with the enhancement of
# the "+" metacharater at the format string to allow a list to be build by
# subsequent occurance of the same option.
sub Getopts {
my ($argumentative, @ARGV) = @_;
my (@args, $first, $rest, $pos);
my ($errs) = 0;
local ($_);
local ($[) = 0;
@args = split( / */, $argumentative);
while(@ARGV && ($_ = $ARGV[0]) =~ /^-(.)(.*)/) {
($first, $rest) = ($1,$2);
if ($_ =~ m|^--$|) {
shift(@ARGV);
last;
}
$pos = index($argumentative,$first);
if ($pos >= $[) {
if ($args[$pos+1] eq ':') {
shift(@ARGV);
if ($rest eq '') {
unless (@ARGV) {
print STDERR "apxs:Error: Incomplete option: $first (needs an argument)\n";
++$errs;
}
$rest = shift(@ARGV);
}
eval "\$opt_$first = \$rest;";
}
elsif ($args[$pos+1] eq '+') {
shift(@ARGV);
if ($rest eq '') {
unless (@ARGV) {
print STDERR "apxs:Error: Incomplete option: $first (needs an argument)\n";
++$errs;
}
$rest = shift(@ARGV);
}
eval "push(\@opt_$first, \$rest);";
}
else {
eval "\$opt_$first = 1";
if ($rest eq '') {
shift(@ARGV);
}
else {
$ARGV[0] = "-$rest";
}
}
}
else {
print STDERR "apxs:Error: Unknown option: $first\n";
++$errs;
if ($rest ne '') {
$ARGV[0] = "-$rest";
}
else {
shift(@ARGV);
}
}
}
return ($errs == 0, @ARGV);
}
sub usage {
print STDERR "Usage: apxs -g [-S <var>=<val>] -n <modname>\n";
print STDERR " apxs -q [-S <var>=<val>] <query> ...\n";
print STDERR " apxs -c [-S <var>=<val>] [-o <dsofile>] [-D <name>[=<value>]]\n";
print STDERR " [-I <incdir>] [-L <libdir>] [-l <libname>] [-Wc,<flags>]\n";
print STDERR " [-Wl,<flags>] <files> ...\n";
print STDERR " apxs -i [-S <var>=<val>] [-a] [-A] [-n <modname>] <dsofile> ...\n";
print STDERR " apxs -e [-S <var>=<val>] [-a] [-A] [-n <modname>] <dsofile> ...\n";
exit(1);
}
# option handling
my $rc;
($rc, @ARGV) = &Getopts("qn:gco:I+D+L+l+W+S+eiaA", @ARGV);
&usage if ($rc == 0);
&usage if ($#ARGV == -1 and not $opt_g);
&usage if (not $opt_q and not ($opt_g and $opt_n) and not $opt_i and not $opt_c and not $opt_e);
# argument handling
my @args = @ARGV;
my $name = 'unknown';
$name = $opt_n if ($opt_n ne '');
# overriding of configuration variables
if (@opt_S) {
my ($opt_S);
foreach $opt_S (@opt_S) {
if ($opt_S =~ m/^([^=]+)=(.*)$/) {
my ($var, $val) = ($1, $2);
my $oldval = eval "\$CFG_$var";
unless ($var and $oldval) {
print STDERR "apxs:Error: no config variable $var\n";
&usage;
}
eval "\$CFG_${var}=\"${val}\"";
} else {
print STDERR "apxs:Error: malformatted -S option\n";
&usage;
}
}
}
##
## Initial DSO support check
##
if (not -x "$CFG_SBINDIR/$CFG_TARGET") {
print STDERR "apxs:Error: $CFG_SBINDIR/$CFG_TARGET not found or not executable\n";
exit(1);
}
if (not grep(/mod_so/, `$CFG_SBINDIR/$CFG_TARGET -l`)) {
print STDERR "apxs:Error: Sorry, no DSO support for Apache available\n";
print STDERR "apxs:Error: under your platform. Make sure the Apache\n";
print STDERR "apxs:Error: module mod_so is compiled into your server\n";
print STDERR "apxs:Error: binary `$CFG_SBINDIR/$CFG_TARGET'.\n";
exit(1);
}
##
## Operation
##
# helper function for executing a list of
# system command with return code checks
sub execute_cmds {
my (@cmds) = @_;
my ($cmd, $rc);
foreach $cmd (@cmds) {
print STDERR "$cmd\n";
$rc = system("$cmd");
if ($rc != 0) {
printf(STDERR "apxs:Break: Command failed with rc=%d\n", $rc >> 8);
exit(1);
}
}
}
if ($opt_g) {
##
## SAMPLE MODULE SOURCE GENERATION
##
if (-d $name) {
print STDERR "apxs:Error: Directory `$name' already exists. Remove it first\n";
exit(1);
}
my $data = join('', <DATA>);
$data =~ s|%NAME%|$name|sg;
$data =~ s|%TARGET%|$CFG_TARGET|sg;
my ($mkf, $src) = ($data =~ m|^(.+)-=#=-\n(.+)|s);
print STDERR "Creating [DIR] $name\n";
system("mkdir $name");
print STDERR "Creating [FILE] $name/Makefile\n";
open(FP, ">${name}/Makefile") || die;
print FP $mkf;
close(FP);
print STDERR "Creating [FILE] $name/mod_$name.c\n";
open(FP, ">${name}/mod_${name}.c") || die;
print FP $src;
close(FP);
exit(0);
}
if ($opt_q) {
##
## QUERY INFORMATION
##
my $result = '';
my $arg;
foreach $arg (@args) {
my $ok = 0;
my $name;
foreach $name (qw(
TARGET CC CFLAGS CFLAGS_SHLIB LD_SHLIB LDFLAGS_SHLIB LIBS_SHLIB
PREFIX SBINDIR INCLUDEDIR LIBEXECDIR SYSCONFDIR
)) {
if ($arg eq $name or $arg eq lc($name)) {
my $val = eval "\$CFG_$name";
$result .= "${val}##";
$ok = 1;
}
}
if (not $ok) {
printf(STDERR "apxs:Error: Invalid query string `%s'\n", $arg);
exit(1);
}
}
$result =~ s|##$||;
$result =~ s|##| |g;
print $result;
}
if ($opt_c) {
##
## DSO COMPILATION
##
# split files into sources and objects
my @srcs = ();
my @objs = ();
my $f;
foreach $f (@args) {
if ($f =~ m|\.c$|) {
push(@srcs, $f);
}
else {
push(@objs, $f);
}
}
# determine output file
my $dso_file;
if ($opt_o eq '') {
if ($#srcs > -1) {
$dso_file = $srcs[0];
$dso_file =~ s|\.[^.]+$|.so|;
}
elsif ($#objs > -1) {
$dso_file = $objs[0];
$dso_file =~ s|\.[^.]+$|.so|;
}
else {
$dso_file = "mod_unknown.so";
}
}
else {
$dso_file = $opt_o;
}
# create compilation commands
my @cmds = ();
my $opt = '';
my ($opt_Wc, $opt_I, $opt_D);
foreach $opt_Wc (@opt_W) {
$opt .= "$1 " if ($opt_Wc =~ m|^\s*c,(.*)$|);
}
foreach $opt_I (@opt_I) {
$opt .= "-I$opt_I ";
}
foreach $opt_D (@opt_D) {
$opt .= "-D$opt_D ";
}
my $cflags = "$CFG_CFLAGS $CFG_CFLAGS_SHLIB";
my $s;
foreach $s (@srcs) {
my $o = $s;
$o =~ s|\.c$|.o|;
$o =~ s|^.*/||;
push(@cmds, "$CFG_CC $cflags -I$CFG_INCLUDEDIR $opt -c $s");
unshift(@objs, $o);
}
# create link command
my $cmd = "$CFG_LD_SHLIB $CFG_LDFLAGS_SHLIB -o $dso_file";
my $o;
foreach $o (@objs) {
$cmd .= " $o";
}
$opt = '';
my ($opt_Wl, $opt_L, $opt_l);
foreach $opt_Wl (@opt_W) {
if ($CFG_LD_SHLIB !~ m/gcc$/) {
$opt .= " $1" if ($opt_Wl =~ m|^\s*l,(.*)$|);
} else {
$opt .= " -W$opt_Wl";
}
}
foreach $opt_L (@opt_L) {
$opt .= " -L$opt_L";
}
foreach $opt_l (@opt_l) {
$opt .= " -l$opt_l";
}
$cmd .= $opt;
$cmd .= " $CFG_LIBS_SHLIB";
push(@cmds, $cmd);
# execute the commands
&execute_cmds(@cmds);
# allow one-step compilation and installation
if ($opt_i or $opt_e) {
@args = ($dso_file);
}
}
if ($opt_i or $opt_e) {
##
## DSO INSTALLATION
##
# determine installation commands
# and corresponding LoadModule/AddModule directives
my @lmd = ();
my @amd = ();
my @cmds = ();
my $f;
foreach $f (@args) {
if ($f !~ m|\.so$|) {
print STDERR "apxs:Error: file $f is not a DSO\n";
exit(1);
}
my $t = $f;
$t =~ s|^.+/([^/]+)$|$1|;
if ($opt_i) {
push(@cmds, "cp $f $CFG_LIBEXECDIR/$t");
push(@cmds, "chmod 755 $CFG_LIBEXECDIR/$t");
}
# determine module symbolname and filename
my $filename = '';
if ($name eq 'unknown') {
$name = '';
my $base = $f;
$base =~ s|\.[^.]+$||;
if (-f "$base.c") {
open(FP, "<$base.c");
my $content = join('', <FP>);
close(FP);
if ($content =~ m|.*module\s+(?:MODULE_VAR_EXPORT\s+)?([a-zA-Z0-9_]+)_module\s*=\s*.*|s) {
$name = "$1";
$filename = "$base.c";
$filename =~ s|^[^/]+/||;
}
}
if ($name eq '') {
if ($base =~ m|.*mod_([a-zA-Z0-9_]+)\..+|) {
$name = "$1";
$filename = $base;
$filename =~ s|^[^/]+/||;
}
}
if ($name eq '') {
print STDERR "apxs:Error: Sorry, cannot determine bootstrap symbol name.\n";
print STDERR "apxs:Error: Please specify one with option `-n'.\n";
exit(1);
}
}
if ($filename eq '') {
$filename = "mod_${name}.c";
}
my $dir = $CFG_LIBEXECDIR;
$dir =~ s|^$CFG_PREFIX/?||;
$dir =~ s|(.)$|$1/|;
push(@lmd, sprintf("LoadModule %-18s %s", "${name}_module", "$dir$t"));
push(@amd, sprintf("AddModule %s", $filename));
}
# execute the commands
&execute_cmds(@cmds);
# activate module via LoadModule/AddModule directive
if ($opt_a or $opt_A) {
if (not -f "$CFG_SYSCONFDIR/$CFG_TARGET.conf") {
print STDERR "apxs:Error: Config file $CFG_SYSCONFDIR/$CFG_TARGET.conf not found\n";
exit(1);
}
open(FP, "<$CFG_SYSCONFDIR/$CFG_TARGET.conf") || die;
my $content = join('', <FP>);
close(FP);
if ($content !~ m|\n#?\s*LoadModule\s+|) {
print STDERR "apxs:Error: Activation failed for custom $CFG_SYSCONFDIR/$CFG_TARGET.conf file.\n";
print STDERR "apxs:Error: At least one `LoadModule' directive already has to exist.\n";
exit(1);
}
my $lmd;
my $c = '';
$c = '#' if ($opt_A);
foreach $lmd (@lmd) {
my $what = $opt_A ? "preparing" : "activating";
if ($content !~ m|\n#?\s*$lmd|) {
$content =~ s|^(.*\n#?\s*LoadModule\s+[^\n]+\n)|$1$c$lmd\n|sg;
} else {
$content =~ s|^(.*\n)#?\s*$lmd[^\n]*\n|$1$c$lmd\n|sg;
}
$lmd =~ m|LoadModule\s+(.+?)_module.*|;
print STDERR "[$what module `$1' in $CFG_SYSCONFDIR/$CFG_TARGET.conf]\n";
}
my $amd;
foreach $amd (@amd) {
if ($content !~ m|\n#?\s*$amd|) {
$content =~ s|^(.*\n#?\s*AddModule\s+[^\n]+\n)|$1$c$amd\n|sg;
} else {
$content =~ s|^(.*\n)#?\s*$amd[^\n]*\n|$1$c$amd\n|sg;
}
}
if (@lmd or @amd) {
if (open(FP, ">$CFG_SYSCONFDIR/$CFG_TARGET.conf.new")) {
print FP $content;
close(FP);
system("cp $CFG_SYSCONFDIR/$CFG_TARGET.conf $CFG_SYSCONFDIR/$CFG_TARGET.conf.bak && " .
"cp $CFG_SYSCONFDIR/$CFG_TARGET.conf.new $CFG_SYSCONFDIR/$CFG_TARGET.conf && " .
"rm $CFG_SYSCONFDIR/$CFG_TARGET.conf.new");
} else {
print STDERR "apxs:Error: unable to open configuration file\n";
}
}
}
}
##EOF##
__DATA__
##
## Makefile -- Build procedure for sample %NAME% Apache module
## Autogenerated via ``apxs -n %NAME% -g''.
##
# the used tools
APXS=apxs
APACHECTL=apachectl
# additional user defines, includes and libraries
#DEF=-Dmy_define=my_value
#INC=-Imy/include/dir
#LIB=-Lmy/lib/dir -lmylib
# the default target
all: mod_%NAME%.so
# compile the DSO file
mod_%NAME%.so: mod_%NAME%.c
$(APXS) -c $(DEF) $(INC) $(LIB) mod_%NAME%.c
# install the DSO file into the Apache installation
# and activate it in the Apache configuration
install: all
$(APXS) -i -a -n '%NAME%' mod_%NAME%.so
# cleanup
clean:
-rm -f mod_%NAME%.o mod_%NAME%.so
# simple test
test: reload
lynx -mime_header http://localhost/%NAME%
# reload the module by installing and restarting Apache
reload: install restart
# the general Apache start/restart/stop procedures
start:
$(APACHECTL) start
restart:
$(APACHECTL) restart
stop:
$(APACHECTL) stop
-=#=-
/*
** mod_%NAME%.c -- Apache sample %NAME% module
** [Autogenerated via ``apxs -n %NAME% -g'']
**
** To play with this sample module, first compile it into a
** DSO file and install it into Apache's libexec directory
** by running:
**
** $ apxs -c -i mod_%NAME%.c
**
** Then activate it in Apache's %TARGET%.conf file, for instance
** for the URL /%NAME%, as follows:
**
** # %TARGET%.conf
** LoadModule %NAME%_module libexec/mod_%NAME%.so
** <Location /%NAME%>
** SetHandler %NAME%
** </Location>
**
** Then after restarting Apache via
**
** $ apachectl restart
**
** you immediately can request the URL /%NAME and watch for the
** output of this module. This can be achieved for instance via:
**
** $ lynx -mime_header http://localhost/%NAME%
**
** The output should be similar to the following one:
**
** HTTP/1.1 200 OK
** Date: Tue, 31 Mar 1998 14:42:22 GMT
** Server: Apache/1.3.4 (Unix)
** Connection: close
** Content-Type: text/html
**
** The sample page from mod_%NAME%.c
*/
#include "httpd.h"
#include "http_config.h"
#include "http_protocol.h"
#include "ap_config.h"
/* The sample content handler */
static int %NAME%_handler(request_rec *r)
{
r->content_type = "text/html";
ap_send_http_header(r);
if (!r->header_only)
ap_rputs("The sample page from mod_%NAME%.c\n", r);
return OK;
}
/* Dispatch list of content handlers */
static const handler_rec %NAME%_handlers[] = {
{ "%NAME%", %NAME%_handler },
{ NULL, NULL }
};
/* Dispatch list for API hooks */
module MODULE_VAR_EXPORT %NAME%_module = {
STANDARD_MODULE_STUFF,
NULL, /* module initializer */
NULL, /* create per-dir config structures */
NULL, /* merge per-dir config structures */
NULL, /* create per-server config structures */
NULL, /* merge per-server config structures */
NULL, /* table of config file commands */
%NAME%_handlers, /* [#8] MIME-typed-dispatched handlers */
NULL, /* [#1] URI to filename translation */
NULL, /* [#4] validate user id from request */
NULL, /* [#5] check if the user is ok _here_ */
NULL, /* [#3] check access by host address */
NULL, /* [#6] determine MIME type */
NULL, /* [#7] pre-run fixups */
NULL, /* [#9] log a transaction */
NULL, /* [#2] header parser */
NULL, /* child_init */
NULL, /* child_exit */
NULL /* [#0] post read-request */
#ifdef EAPI
,NULL, /* EAPI: add_module */
NULL, /* EAPI: remove_module */
NULL, /* EAPI: rewrite_command */
NULL /* EAPI: new_connection */
#endif
};