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/*
* DEBUG: section 76 Internal Squid Object handling
* AUTHOR: Duane, Alex, Henrik
*
* SQUID Web Proxy Cache http://www.squid-cache.org/
* ----------------------------------------------------------
*
* Squid is the result of efforts by numerous individuals from
* the Internet community; see the CONTRIBUTORS file for full
* details. Many organizations have provided support for Squid's
* development; see the SPONSORS file for full details. Squid is
* Copyrighted (C) 2001 by the Regents of the University of
* California; see the COPYRIGHT file for full details. Squid
* incorporates software developed and/or copyrighted by other
* sources; see the CREDITS file for full details.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
*
*/
#include "squid.h"
#include "CacheManager.h"
#include "comm/Connection.h"
#include "errorpage.h"
#include "icmp/net_db.h"
#include "Store.h"
#include "HttpRequest.h"
#include "HttpReply.h"
#include "MemBuf.h"
#include "SquidConfig.h"
#include "SquidTime.h"
#include "tools.h"
#include "URL.h"
#include "wordlist.h"
/* called when we "miss" on an internal object;
* generate known dynamic objects,
* return Http::scNotFound for others
*/
void
internalStart(const Comm::ConnectionPointer &clientConn, HttpRequest * request, StoreEntry * entry)
{
ErrorState *err;
const char *upath = request->urlpath.termedBuf();
debugs(76, 3, HERE << clientConn << " requesting '" << upath << "'");
if (0 == strcmp(upath, "/squid-internal-dynamic/netdb")) {
netdbBinaryExchange(entry);
} else if (0 == strcmp(upath, "/squid-internal-periodic/store_digest")) {
#if USE_CACHE_DIGESTS
const char *msgbuf = "This cache is currently building its digest.\n";
#else
const char *msgbuf = "This cache does not support Cache Digests.\n";
#endif
HttpReply *reply = new HttpReply;
reply->setHeaders(Http::scNotFound, "Not Found", "text/plain", strlen(msgbuf), squid_curtime, -2);
entry->replaceHttpReply(reply);
entry->append(msgbuf, strlen(msgbuf));
entry->complete();
} else if (0 == strncmp(upath, "/squid-internal-mgr/", 20)) {
CacheManager::GetInstance()->Start(clientConn, request, entry);
} else {
debugObj(76, 1, "internalStart: unknown request:\n",
request, (ObjPackMethod) & httpRequestPack);
err = new ErrorState(ERR_INVALID_REQ, Http::scNotFound, request);
errorAppendEntry(entry, err);
}
}
int
internalCheck(const char *urlpath)
{
return (0 == strncmp(urlpath, "/squid-internal-", 16));
}
int
internalStaticCheck(const char *urlpath)
{
return (0 == strncmp(urlpath, "/squid-internal-static", 22));
}
/*
* makes internal url with a given host and port (remote internal url)
*/
char *
internalRemoteUri(const char *host, unsigned short port, const char *dir, const char *name)
{
static char lc_host[SQUIDHOSTNAMELEN];
assert(host && name);
/* convert host name to lower case */
xstrncpy(lc_host, host, SQUIDHOSTNAMELEN);
Tolower(lc_host);
/* check for an IP address and format appropriately if found */
Ip::Address test = lc_host;
if ( !test.isAnyAddr() ) {
test.toHostStr(lc_host,SQUIDHOSTNAMELEN);
}
/*
* append the domain in order to mirror the requests with appended
* domains
*/
/* For IPv6 addresses also check for a colon */
if (Config.appendDomain && !strchr(lc_host, '.') && !strchr(lc_host, ':'))
strncat(lc_host, Config.appendDomain, SQUIDHOSTNAMELEN -
strlen(lc_host) - 1);
/* build uri in mb */
static MemBuf mb;
mb.reset();
mb.Printf("http://%s", lc_host);
/* append port if not default */
if (port && port != urlDefaultPort(AnyP::PROTO_HTTP))
mb.Printf(":%d", port);
if (dir)
mb.Printf("%s", dir);
mb.Printf("%s", name);
/* return a pointer to a local static buffer */
return mb.buf;
}
/*
* makes internal url with local host and port
*/
char *
internalLocalUri(const char *dir, const char *name)
{
return internalRemoteUri(getMyHostname(),
getMyPort(), dir, name);
}
const char *
internalHostname(void)
{
LOCAL_ARRAY(char, host, SQUIDHOSTNAMELEN + 1);
xstrncpy(host, getMyHostname(), SQUIDHOSTNAMELEN);
/* For IPv6 addresses also check for a colon */
if (Config.appendDomain && !strchr(host, '.') && !strchr(host, ':'))
strncat(host, Config.appendDomain, SQUIDHOSTNAMELEN -
strlen(host) - 1);
Tolower(host);
return host;
}
int
internalHostnameIs(const char *arg)
{
wordlist *w;
if (0 == strcmp(arg, internalHostname()))
return 1;
for (w = Config.hostnameAliases; w; w = w->next)
if (0 == strcmp(arg, w->key))
return 1;
return 0;
}
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