Sandbox of httpd/trunk/ for OpenSSL 0.9.7/mod_ssl fips integration development

# gdb macros which may be useful for folks using gdb to debug

# apache.  Delete it if it bothers you.

define dump_table

    set $t = (apr_table_entry_t *)((apr_array_header_t *)$arg0)->elts

    set $n = ((apr_array_header_t *)$arg0)->nelts

    set $i = 0

    while $i < $n

	if $t[$i].val == (void *)0L

	   printf "[%u] '%s'=>NULL\n", $i, $t[$i].key

	else

	   printf "[%u] '%s'='%s'\n", $i, $t[$i].key, $t[$i].val

	end

	set $i = $i + 1

    end

end

document dump_table

    Print the key/value pairs in a table.

end

define rh

	run -f /home/dgaudet/ap2/conf/mpm.conf

end

define ro

	run -DONE_PROCESS

end

define dump_string_array

    set $a = (char **)((apr_array_header_t *)$arg0)->elts

    set $n = (int)((apr_array_header_t *)$arg0)->nelts

    set $i = 0

    while $i < $n

	printf "[%u] '%s'\n", $i, $a[$i]

	set $i = $i + 1

    end

end

document dump_string_array

    Print all of the elements in an array of strings.

end

define printmemn

    set $i = 0

    while $i < $arg1

        if $arg0[$i] < 0x20 || $arg0[$i] > 0x7e

            printf "~"

        else

            printf "%c", $arg0[$i]

        end

        set $i = $i + 1

    end

end

define print_bkt_datacol

    # arg0 == column name

    # arg1 == format

    # arg2 == value

    # arg3 == suppress header?

    set $suppressheader = $arg3

    if !$suppressheader

        printf " "

        printf $arg0

        printf "="

    else

        printf " | "

    end

    printf $arg1, $arg2

end

define dump_bucket_ex

    # arg0 == bucket

    # arg1 == suppress header?

    set $bucket = (struct apr_bucket *)$arg0

    set $sh = $arg1

    set $refcount = -1

    print_bkt_datacol "bucket" "%-9s" $bucket->type->name $sh

    printf "(0x%08lx)", (unsigned long)$bucket

    print_bkt_datacol "length" "%-6ld" (long)($bucket->length) $sh

    print_bkt_datacol "data" "0x%08lx" $bucket->data $sh

    if !$sh

        printf "\n    "

    end

    if (($bucket->type == &apr_bucket_type_eos)   || \

        ($bucket->type == &apr_bucket_type_flush))

        # metadata buckets, no content

        print_bkt_datacol "contents" "%c" ' ' $sh

        printf "                     "

        print_bkt_datacol "rc" "n/%c" 'a' $sh

    else

    if ($bucket->type == &ap_bucket_type_error)

        # metadata bucket, no content but it does have an error code in it

        print_bkt_datacol "contents" "%c" ' ' $sh

        set $status = ((ap_bucket_error *)$bucket->data)->status

        printf " (status=%3d)        ", $status

        print_bkt_datacol "rc" "n/%c" 'a' $sh

    else

    if (($bucket->type == &apr_bucket_type_file) || \

        ($bucket->type == &apr_bucket_type_pipe) || \

        ($bucket->type == &apr_bucket_type_socket))

        # buckets that contain data not in memory (ie not printable)

        print_bkt_datacol "contents" "[**unprintable**%c" ']' $sh

        printf "     "

        if $bucket->type == &apr_bucket_type_file

            set $refcount = ((apr_bucket_refcount *)$bucket->data)->refcount

            print_bkt_datacol "rc" "%d" $refcount $sh

        end

    else

    if (($bucket->type == &apr_bucket_type_heap)      || \

        ($bucket->type == &apr_bucket_type_pool)      || \

        ($bucket->type == &apr_bucket_type_mmap)      || \

        ($bucket->type == &apr_bucket_type_transient) || \

        ($bucket->type == &apr_bucket_type_immortal))

        # in-memory buckets

        if $bucket->type == &apr_bucket_type_heap

            set $refcount = ((apr_bucket_refcount *)$bucket->data)->refcount

            set $p = (apr_bucket_heap *)$bucket->data

            set $data = $p->base+$bucket->start

        else

        if $bucket->type == &apr_bucket_type_pool

            set $refcount = ((apr_bucket_refcount *)$bucket->data)->refcount

            set $p = (apr_bucket_pool *)$bucket->data

            if !$p->pool

                set $p = (apr_bucket_heap *)$bucket->data

            end

            set $data = $p->base+$bucket->start

        else

        if $bucket->type == &apr_bucket_type_mmap

            # is this safe if not APR_HAS_MMAP?

            set $refcount = ((apr_bucket_refcount *)$bucket->data)->refcount

            set $p = (apr_bucket_mmap *)$bucket->data

            set $data = ((char *)$p->mmap->mm)+$bucket->start

        else

        if (($bucket->type == &apr_bucket_type_transient) || \

            ($bucket->type == &apr_bucket_type_immortal))

            set $data = ((char *)$bucket->data)+$bucket->start

        end

        end

        end

        end

        if $sh

            printf " | ["

        else

            printf " contents=["

        end

        set $datalen = $bucket->length

        if $datalen > 17

            printmem $data 17

            printf "..."

            set $datalen = 20

        else

            printmemn $data $datalen

        end

        printf "]"

        while $datalen < 20

            printf " "

            set $datalen = $datalen + 1

        end

        if $refcount != -1

            print_bkt_datacol "rc" "%d" $refcount $sh

        else

            print_bkt_datacol "rc" "n/%c" 'a' $sh

        end

    else

        # 3rd-party bucket type

        print_bkt_datacol "contents" "[**unknown**%c" ']' $sh

        printf "         "

        print_bkt_datacol "rc" "n/%c" 'a' $sh

    end

    end

    end

    end

    printf "\n"

end

define dump_bucket

    dump_bucket_ex $arg0 0

end

document dump_bucket

    Print bucket info

end

define dump_brigade

    set $bb = (apr_bucket_brigade *)$arg0

    set $bucket = $bb->list.next

    set $sentinel = ((char *)((&($bb->list)) \

                               - ((size_t) &((struct apr_bucket *)0)->link)))

    printf "dump of brigade 0x%lx\n", (unsigned long)$bb

    printf "   | type     (address)    | length | "

    printf "data addr  | contents               | rc\n"

    printf "----------------------------------------"

    printf "----------------------------------------\n"

    if $bucket == $sentinel

        printf "brigade is empty\n"

    end

    set $j = 0

    while $bucket != $sentinel

        printf "%2d", $j

        dump_bucket_ex $bucket 1

        set $j = $j + 1

        set $bucket = $bucket->link.next

    end

    printf "end of brigade\n"

end

document dump_brigade

    Print bucket brigade info

end

define dump_filters

    set $f = $arg0

    while $f

        printf "%s(0x%lx): ctx=0x%lx, r=0x%lx, c=0x%lx\n", \

        $f->frec->name, (unsigned long)$f, (unsigned long)$f->ctx, \

        $f->r, $f->c

        set $f = $f->next

    end

end

document dump_filters

    Print filter chain info

end

define dump_process_rec

    set $p = $arg0

    printf "process_rec=0x%lx:\n", (unsigned long)$p

    printf "   pool=0x%lx, pconf=0x%lx\n", \

           (unsigned long)$p->pool, (unsigned long)$p->pconf

end

document dump_process_rec

    Print process_rec info

end

define dump_server_rec

    set $s = $arg0

    printf "name=%s:%d\n", \

            $s->server_hostname, $s->port

    dump_process_rec($s->process)

end

document dump_server_rec

    Print server_rec info

end

define dump_servers

    set $s = $arg0

    while $s

        dump_server_rec($s)

        printf "\n"

        set $s = $s->next

    end

end

document dump_servers

    Print server_rec list info

end

                     The Apache HTTP Server Project

                        http://httpd.apache.org/

                             February 2002

The Apache Project is a collaborative software development effort aimed

at creating a robust, commercial-grade, featureful, and freely-available

source code implementation of an HTTP (Web) server.  The project is

jointly managed by a group of volunteers located around the world, using

the Internet and the Web to communicate, plan, and develop the server and

its related documentation.  These volunteers are known as the Apache Group.

In addition, hundreds of users have contributed ideas, code, and

documentation to the project.  This file is intended to briefly describe

the history of the Apache Group, recognize the many contributors, and

explain how you can join the fun too.

In February of 1995, the most popular server software on the Web was the

public domain HTTP daemon developed by Rob McCool at the National Center

for Supercomputing Applications, University of Illinois, Urbana-Champaign.

However, development of that httpd had stalled after Rob left NCSA in

mid-1994, and many webmasters had developed their own extensions and bug

fixes that were in need of a common distribution.  A small group of these

webmasters, contacted via private e-mail, gathered together for the purpose

of coordinating their changes (in the form of "patches").  Brian Behlendorf

and Cliff Skolnick put together a mailing list, shared information space,

and logins for the core developers on a machine in the California Bay Area,

with bandwidth and diskspace donated by HotWired and Organic Online.

By the end of February, eight core contributors formed the foundation

of the original Apache Group:

   Brian Behlendorf        Roy T. Fielding          Rob Hartill

   David Robinson          Cliff Skolnick           Randy Terbush

   Robert S. Thau          Andrew Wilson

with additional contributions from

   Eric Hagberg            Frank Peters             Nicolas Pioch

Using NCSA httpd 1.3 as a base, we added all of the published bug fixes

and worthwhile enhancements we could find, tested the result on our own

servers, and made the first official public release (0.6.2) of the Apache

server in April 1995.  By coincidence, NCSA restarted their own development

during the same period, and Brandon Long and Beth Frank of the NCSA Server

Development Team joined the list in March as honorary members so that the

two projects could share ideas and fixes.

The early Apache server was a big hit, but we all knew that the codebase

needed a general overhaul and redesign.  During May-June 1995, while

Rob Hartill and the rest of the group focused on implementing new features

for 0.7.x (like pre-forked child processes) and supporting the rapidly growing

Apache user community, Robert Thau designed a new server architecture

(code-named Shambhala) which included a modular structure and API for better

extensibility, pool-based memory allocation, and an adaptive pre-forking

process model.  The group switched to this new server base in July and added

the features from 0.7.x, resulting in Apache 0.8.8 (and its brethren)

in August.

After extensive beta testing, many ports to obscure platforms, a new set

of documentation (by David Robinson), and the addition of many features

in the form of our standard modules, Apache 1.0 was released on

December 1, 1995.

Less than a year after the group was formed, the Apache server passed

NCSA's httpd as the #1 server on the Internet.

The survey by Netcraft (http://www.netcraft.com/survey/) shows that Apache

is today more widely used than all other web servers combined.

 ============================================================================

Current Apache Group in alphabetical order as of 2 April 2002:

   Greg Ames              IBM Corporation, Research Triangle Park, NC, USA

   Aaron Bannert          California

   Brian Behlendorf       Collab.Net, California 

   Ken Coar               IBM Corporation, Research Triangle Park, NC, USA

   Mark J. Cox            Red Hat, UK

   Lars Eilebrecht        Freelance Consultant, Munich, Germany 

   Ralf S. Engelschall    Cable & Wireless Deutschland, Munich, Germany

   Justin Erenkrantz      University of California, Irvine

   Roy T. Fielding        Day Software, California 

   Tony Finch             Covalent Technologies, California

   Dean Gaudet            Transmeta Corporation, California 

   Dirk-Willem van Gulik  Covalent Technologies, California 

   Brian Havard           Australia

   Ian Holsman            CNET, California

   Ben Hyde               Gensym, Massachusetts

   Jim Jagielski          jaguNET Access Services, Maryland 

   Manoj Kasichainula     Collab.Net, California

   Alexei Kosut           Stanford University, California 

   Martin Kraemer         Munich, Germany

   Ben Laurie             Freelance Consultant, UK 

   Rasmus Lerdorf         Yahoo!, California

   Daniel Lopez Ridruejo  Covalent Technologies, California

   Doug MacEachern        Covalent Technologies, California

   Aram W. Mirzadeh       CableVision, New York 

   Chuck Murcko           The Topsail Group, Pennsylvania 

   Brian Pane             CNET Networks, California

   Sameer Parekh          California 

   David Reid             UK

   William A. Rowe, Jr.   Covalent, Illinois

   Wilfredo Sanchez       Apple Computer, California

   Cliff Skolnick         California

   Marc Slemko            Canada 

   Joshua Slive           Canada

   Greg Stein             California

   Bill Stoddard          IBM Corporation, Research Triangle Park, NC

   Sander Striker         The Netherlands

   Paul Sutton            Seattle

   Randy Terbush          Covalent Technologies, California 

   Jeff Trawick           IBM Corporation, Research Triangle Park, NC

   Cliff Woolley          University of Virginia

Apache Emeritus (old group members now off doing other things)

   Ryan Bloom             California

   Rob Hartill            Internet Movie DB, UK 

   David Robinson         Cambridge University, UK

   Robert S. Thau         MIT, Massachusetts

   Andrew Wilson          Freelance Consultant, UK 

Other major contributors

   Howard Fear (mod_include), Florent Guillaume (language negotiation),

   Koen Holtman (rewrite of mod_negotiation),

   Kevin Hughes (creator of all those nifty icons),

   Brandon Long and Beth Frank (NCSA Server Development Team, post-1.3),

   Ambarish Malpani (Beginning of the NT port),

   Rob McCool (original author of the NCSA httpd 1.3),

   Paul Richards (convinced the group to use remote CVS after 1.0),

   Garey Smiley (OS/2 port), Henry Spencer (author of the regex library).

Many 3rd-party modules, frequently used and recommended, are also

freely-available and linked from the related projects page:

<http://modules.apache.org/>, and their authors frequently

contribute ideas, patches, and testing.

Hundreds of people have made individual contributions to the Apache

project.  Patch contributors are listed in the CHANGES file.

Frequent contributors have included Petr Lampa, Tom Tromey, James H.

Cloos Jr., Ed Korthof, Nathan Neulinger, Jason S. Clary, Jason A. Dour,

Michael Douglass, Tony Sanders, Brian Tao, Michael Smith, Adam Sussman,

Nathan Schrenk, Matthew Gray, and John Heidemann.

 ============================================================================

How to become involved in the Apache project

There are several levels of contributing.  If you just want to send

in an occasional suggestion/fix, then you can just use the bug reporting

form at <http://httpd.apache.org/bug_report.html>.  You can also subscribe

to the announcements mailing list (announce-subscribe@httpd.apache.org) which

we use to broadcast information about new releases, bugfixes, and upcoming

events.  There's a lot of information about the development process (much of

it in serious need of updating) to be found at <http://httpd.apache.org/dev/>.

If you'd like to become an active contributor to the Apache project (the

group of volunteers who vote on changes to the distributed server), then

you need to start by subscribing to the dev@httpd.apache.org mailing list.

One warning though: traffic is high, 1000 to 1500 messages/month.

To subscribe to the list, send an email to dev-subscribe@httpd.apache.org.

We recommend reading the list for a while before trying to jump in to 

development.

   NOTE: The developer mailing list (dev@httpd.apache.org) is not

   a user support forum; it is for people actively working on development

   of the server code and documentation, and for planning future

   directions.  If you have user/configuration questions, send them

   to users list <http://httpd.apache.org/userslist> or to the USENET

   newsgroup "comp.infosystems.www.servers.unix".or for windows users,

   the newsgroup "comp.infosystems.www.servers.ms-windows".

There is a core group of contributors (informally called the "core")

which was formed from the project founders and is augmented from time

to time when core members nominate outstanding contributors and the

rest of the core members agree.  The core group focus is more on

"business" issues and limited-circulation things like security problems

than on mainstream code development.  The term "The Apache Group"

technically refers to this core of project contributors.

The Apache project is a meritocracy -- the more work you have done, the more

you are allowed to do.  The group founders set the original rules, but

they can be changed by vote of the active members.  There is a group

of people who have logins on our server (apache.org) and access to the

CVS repository.  Everyone has access to the CVS snapshots.  Changes to

the code are proposed on the mailing list and usually voted on by active

members -- three +1 (yes votes) and no -1 (no votes, or vetoes) are needed

to commit a code change during a release cycle; docs are usually committed

first and then changed as needed, with conflicts resolved by majority vote.

Our primary method of communication is our mailing list. Approximately 40

messages a day flow over the list, and are typically very conversational in

tone. We discuss new features to add, bug fixes, user problems, developments

in the web server community, release dates, etc.  The actual code development

takes place on the developers' local machines, with proposed changes

communicated using a patch (output of a unified "diff -u oldfile newfile"

command), and committed to the source repository by one of the core

developers using remote CVS.  Anyone on the mailing list can vote on a

particular issue, but we only count those made by active members or people

who are known to be experts on that part of the server.  Vetoes must be

accompanied by a convincing explanation.

New members of the Apache Group are added when a frequent contributor is

nominated by one member and unanimously approved by the voting members.

In most cases, this "new" member has been actively contributing to the

group's work for over six months, so it's usually an easy decision.

The above describes our past and current (as of July 2000) guidelines,

which will probably change over time as the membership of the group

changes and our development/coordination tools improve.

 ============================================================================

The Apache Software Foundation (www.apache.org)

The Apache Software Foundation exists to provide organizational, legal,

and financial support for the Apache open-source software projects.

Founded in June 1999 by the Apache Group, the Foundation has been

incorporated as a membership-based, not-for-profit corporation in order

to ensure that the Apache projects continue to exist beyond the participation

of individual volunteers, to enable contributions of intellectual property

and funds on a sound basis, and to provide a vehicle for limiting legal

exposure while participating in open-source software projects. 

You are invited to participate in The Apache Software Foundation. We welcome

contributions in many forms.  Our membership consists of those individuals

who have demonstrated a commitment to collaborative open-source software

development through sustained participation and contributions within the

Foundation's projects.  Many people and companies have contributed towards

the success of the Apache projects. 

 ============================================================================

Why Apache Is Free

Apache exists to provide a robust and commercial-grade reference

implementation of the HTTP protocol.  It must remain a platform upon which

individuals and institutions can build reliable systems, both for

experimental purposes and for mission-critical purposes.  We believe the

tools of online publishing should be in the hands of everyone, and

software companies should make their money providing value-added services

such as specialized modules and support, amongst other things.  We realize

that it is often seen as an economic advantage for one company to "own" a

market - in the software industry that means to control tightly a

particular conduit such that all others must pay.  This is typically done

by "owning" the protocols through which companies conduct business, at the

expense of all those other companies.  To the extent that the protocols of

the World Wide Web remain "unowned" by a single company, the Web will

remain a level playing field for companies large and small. Thus,

"ownership" of the protocol must be prevented, and the existence of a

robust reference implementation of the protocol, available absolutely for

free to all companies, is a tremendously good thing.  

Furthermore, Apache is an organic entity; those who benefit from it

by using it often contribute back to it by providing feature enhancements,

bug fixes, and support for others in public newsgroups.  The amount of

effort expended by any particular individual is usually fairly light, but

the resulting product is made very strong.  This kind of community can

only happen with freeware -- when someone pays for software, they usually

aren't willing to fix its bugs.  One can argue, then, that Apache's

strength comes from the fact that it's free, and if it were made "not

free" it would suffer tremendously, even if that money were spent on a

real development team.

We want to see Apache used very widely -- by large companies, small

companies, research institutions, schools, individuals, in the intranet

environment, everywhere -- even though this may mean that companies who

could afford commercial software, and would pay for it without blinking,

might get a "free ride" by using Apache.  We would even be happy if some

commercial software companies completely dropped their own HTTP server

development plans and used Apache as a base, with the proper attributions

as described in the LICENSE file.

Thanks for using Apache!

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