MAINT-5629: Remove llares and llareslistener. Login now does not attempt to do a lookup on the server names and rewrite the URL.

MAINT-5614: Bad password status correctly detected.
master
Rider Linden 2015-09-21 10:59:58 -07:00
parent cf835a80cd
commit 1eed334e7f
9 changed files with 97 additions and 1937 deletions

View File

@ -28,8 +28,6 @@ include_directories(
)
set(llmessage_SOURCE_FILES
llares.cpp
llareslistener.cpp
llassetstorage.cpp
llavatarname.cpp
llavatarnamecache.cpp
@ -109,8 +107,6 @@ set(llmessage_SOURCE_FILES
set(llmessage_HEADER_FILES
CMakeLists.txt
llares.h
llareslistener.h
llassetstorage.h
llavatarname.h
llavatarnamecache.h

View File

@ -1,839 +0,0 @@
/**
* @file llares.cpp
* @author Bryan O'Sullivan
* @date 2007-08-15
* @brief Wrapper for asynchronous DNS lookups.
*
* $LicenseInfo:firstyear=2007&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#include "linden_common.h"
#include "llares.h"
#include <ares_dns.h>
#include <ares_version.h>
#include "apr_portable.h"
#include "apr_network_io.h"
#include "apr_poll.h"
#include "llapr.h"
#include "llareslistener.h"
#if defined(LL_WINDOWS)
#pragma warning (disable : 4355) // 'this' used in initializer list: yes, intentionally
# define ns_c_in 1
# define NS_HFIXEDSZ 12 /* #/bytes of fixed data in header */
# define NS_QFIXEDSZ 4 /* #/bytes of fixed data in query */
# define NS_RRFIXEDSZ 10 /* #/bytes of fixed data in r record */
#else
# include <arpa/nameser.h>
#endif
LLAres::HostResponder::~HostResponder()
{
}
void LLAres::HostResponder::hostResult(const hostent *ent)
{
LL_INFOS() << "LLAres::HostResponder::hostResult not implemented" << LL_ENDL;
}
void LLAres::HostResponder::hostError(int code)
{
LL_INFOS() << "LLAres::HostResponder::hostError " << code << ": "
<< LLAres::strerror(code) << LL_ENDL;
}
LLAres::NameInfoResponder::~NameInfoResponder()
{
}
void LLAres::NameInfoResponder::nameInfoResult(const char *node,
const char *service)
{
LL_INFOS() << "LLAres::NameInfoResponder::nameInfoResult not implemented"
<< LL_ENDL;
}
void LLAres::NameInfoResponder::nameInfoError(int code)
{
LL_INFOS() << "LLAres::NameInfoResponder::nameInfoError " << code << ": "
<< LLAres::strerror(code) << LL_ENDL;
}
LLAres::QueryResponder::~QueryResponder()
{
}
void LLAres::QueryResponder::queryResult(const char *buf, size_t len)
{
LL_INFOS() << "LLAres::QueryResponder::queryResult not implemented"
<< LL_ENDL;
}
void LLAres::QueryResponder::queryError(int code)
{
LL_INFOS() << "LLAres::QueryResponder::queryError " << code << ": "
<< LLAres::strerror(code) << LL_ENDL;
}
LLAres::LLAres() :
chan_(NULL),
mInitSuccess(false)
{
if (ares_library_init( ARES_LIB_INIT_ALL ) != ARES_SUCCESS ||
ares_init(&chan_) != ARES_SUCCESS)
{
LL_WARNS() << "Could not succesfully initialize ares!" << LL_ENDL;
return;
}
mListener = boost::shared_ptr< LLAresListener >(new LLAresListener(this));
mInitSuccess = true;
}
LLAres::~LLAres()
{
ares_destroy(chan_);
ares_library_cleanup();
}
void LLAres::cancel()
{
ares_cancel(chan_);
}
static void host_callback_1_5(void *arg, int status, int timeouts,
struct hostent *ent)
{
LLPointer<LLAres::HostResponder> *resp =
(LLPointer<LLAres::HostResponder> *) arg;
if (status == ARES_SUCCESS)
{
(*resp)->hostResult(ent);
} else {
(*resp)->hostError(status);
}
delete resp;
}
#if ARES_VERSION_MAJOR == 1 && ARES_VERSION_MINOR == 4
static void host_callback(void *arg, int status, struct hostent *ent)
{
host_callback_1_5(arg, status, 0, ent);
}
#else
# define host_callback host_callback_1_5
#endif
void LLAres::getHostByName(const char *name, HostResponder *resp,
int family)
{
ares_gethostbyname(chan_, name, family, host_callback,
new LLPointer<LLAres::HostResponder>(resp));
}
void LLAres::getSrvRecords(const std::string &name, SrvResponder *resp)
{
search(name, RES_SRV, resp);
}
void LLAres::rewriteURI(const std::string &uri, UriRewriteResponder *resp)
{
if (resp && uri.size())
{
LLURI* pURI = new LLURI(uri);
resp->mUri = *pURI;
delete pURI;
if (!resp->mUri.scheme().size() || !resp->mUri.hostName().size())
{
return;
}
//LL_INFOS() << "LLAres::rewriteURI (" << uri << ") search: '" << "_" + resp->mUri.scheme() + "._tcp." + resp->mUri.hostName() << "'" << LL_ENDL;
search("_" + resp->mUri.scheme() + "._tcp." + resp->mUri.hostName(), RES_SRV, resp);
}
}
LLQueryResponder::LLQueryResponder()
: LLAres::QueryResponder(),
mResult(ARES_ENODATA),
mType(RES_INVALID)
{
}
int LLQueryResponder::parseRR(const char *buf, size_t len, const char *&pos,
LLPointer<LLDnsRecord> &r)
{
std::string rrname;
size_t enclen;
int ret;
// RR name.
ret = LLAres::expandName(pos, buf, len, rrname, enclen);
if (ret != ARES_SUCCESS)
{
return ret;
}
pos += enclen;
if (pos + NS_RRFIXEDSZ > buf + len)
{
return ARES_EBADRESP;
}
int rrtype = DNS_RR_TYPE(pos);
int rrclass = DNS_RR_CLASS(pos);
int rrttl = DNS_RR_TTL(pos);
int rrlen = DNS_RR_LEN(pos);
if (rrclass != ns_c_in)
{
return ARES_EBADRESP;
}
pos += NS_RRFIXEDSZ;
if (pos + rrlen > buf + len)
{
return ARES_EBADRESP;
}
switch (rrtype)
{
case RES_A:
r = new LLARecord(rrname, rrttl);
break;
case RES_NS:
r = new LLNsRecord(rrname, rrttl);
break;
case RES_CNAME:
r = new LLCnameRecord(rrname, rrttl);
break;
case RES_PTR:
r = new LLPtrRecord(rrname, rrttl);
break;
case RES_AAAA:
r = new LLAaaaRecord(rrname, rrttl);
break;
case RES_SRV:
r = new LLSrvRecord(rrname, rrttl);
break;
default:
LL_INFOS() << "LLQueryResponder::parseRR got unknown RR type " << rrtype
<< LL_ENDL;
return ARES_EBADRESP;
}
ret = r->parse(buf, len, pos, rrlen);
if (ret == ARES_SUCCESS)
{
pos += rrlen;
} else {
r = NULL;
}
return ret;
}
int LLQueryResponder::parseSection(const char *buf, size_t len,
size_t count, const char *&pos,
dns_rrs_t &rrs)
{
int ret = ARES_SUCCESS;
for (size_t i = 0; i < count; i++)
{
LLPointer<LLDnsRecord> r;
ret = parseRR(buf, len, pos, r);
if (ret != ARES_SUCCESS)
{
break;
}
rrs.push_back(r);
}
return ret;
}
void LLQueryResponder::queryResult(const char *buf, size_t len)
{
const char *pos = buf;
int qdcount = DNS_HEADER_QDCOUNT(pos);
int ancount = DNS_HEADER_ANCOUNT(pos);
int nscount = DNS_HEADER_NSCOUNT(pos);
int arcount = DNS_HEADER_ARCOUNT(pos);
int ret;
if (qdcount == 0 || ancount + nscount + arcount == 0)
{
ret = ARES_ENODATA;
goto bail;
}
pos += NS_HFIXEDSZ;
for (int i = 0; i < qdcount; i++)
{
std::string ignore;
size_t enclen;
ret = LLAres::expandName(pos, buf, len, i == 0 ? mQuery : ignore,
enclen);
if (ret != ARES_SUCCESS)
{
goto bail;
}
pos += enclen;
if (i == 0)
{
int t = DNS_QUESTION_TYPE(pos);
switch (t)
{
case RES_A:
case RES_NS:
case RES_CNAME:
case RES_PTR:
case RES_AAAA:
case RES_SRV:
mType = (LLResType) t;
break;
default:
LL_INFOS() << "Cannot grok query type " << t << LL_ENDL;
ret = ARES_EBADQUERY;
goto bail;
}
}
pos += NS_QFIXEDSZ;
if (pos > buf + len)
{
ret = ARES_EBADRESP;
goto bail;
}
}
ret = parseSection(buf, len, ancount, pos, mAnswers);
if (ret != ARES_SUCCESS)
{
goto bail;
}
ret = parseSection(buf, len, nscount, pos, mAuthorities);
if (ret != ARES_SUCCESS)
{
goto bail;
}
ret = parseSection(buf, len, arcount, pos, mAdditional);
bail:
mResult = ret;
if (mResult == ARES_SUCCESS)
{
querySuccess();
} else {
queryError(mResult);
}
}
void LLQueryResponder::querySuccess()
{
LL_INFOS() << "LLQueryResponder::queryResult not implemented" << LL_ENDL;
}
void LLAres::SrvResponder::querySuccess()
{
if (mType == RES_SRV)
{
srvResult(mAnswers);
} else {
srvError(ARES_EBADRESP);
}
}
void LLAres::SrvResponder::queryError(int code)
{
srvError(code);
}
void LLAres::SrvResponder::srvResult(const dns_rrs_t &ents)
{
LL_INFOS() << "LLAres::SrvResponder::srvResult not implemented" << LL_ENDL;
for (size_t i = 0; i < ents.size(); i++)
{
const LLSrvRecord *s = (const LLSrvRecord *) ents[i].get();
LL_INFOS() << "[" << i << "] " << s->host() << ":" << s->port()
<< " priority " << s->priority()
<< " weight " << s->weight()
<< LL_ENDL;
}
}
void LLAres::SrvResponder::srvError(int code)
{
LL_INFOS() << "LLAres::SrvResponder::srvError " << code << ": "
<< LLAres::strerror(code) << LL_ENDL;
}
static void nameinfo_callback_1_5(void *arg, int status, int timeouts,
char *node, char *service)
{
LLPointer<LLAres::NameInfoResponder> *resp =
(LLPointer<LLAres::NameInfoResponder> *) arg;
if (status == ARES_SUCCESS)
{
(*resp)->nameInfoResult(node, service);
} else {
(*resp)->nameInfoError(status);
}
delete resp;
}
#if ARES_VERSION_MAJOR == 1 && ARES_VERSION_MINOR == 4
static void nameinfo_callback(void *arg, int status, char *node, char *service)
{
nameinfo_callback_1_5(arg, status, 0, node, service);
}
#else
# define nameinfo_callback nameinfo_callback_1_5
#endif
void LLAres::getNameInfo(const struct sockaddr &sa, socklen_t salen, int flags,
NameInfoResponder *resp)
{
ares_getnameinfo(chan_, &sa, salen, flags, nameinfo_callback,
new LLPointer<NameInfoResponder>(resp));
}
static void search_callback_1_5(void *arg, int status, int timeouts,
unsigned char *abuf, int alen)
{
LLPointer<LLAres::QueryResponder> *resp =
(LLPointer<LLAres::QueryResponder> *) arg;
if (status == ARES_SUCCESS)
{
(*resp)->queryResult((const char *) abuf, alen);
} else {
(*resp)->queryError(status);
}
delete resp;
}
#if ARES_VERSION_MAJOR == 1 && ARES_VERSION_MINOR == 4
static void search_callback(void *arg, int status, unsigned char *abuf,
int alen)
{
search_callback_1_5(arg, status, 0, abuf, alen);
}
#else
# define search_callback search_callback_1_5
#endif
void LLAres::search(const std::string &query, LLResType type,
QueryResponder *resp)
{
ares_search(chan_, query.c_str(), ns_c_in, type, search_callback,
new LLPointer<QueryResponder>(resp));
}
bool LLAres::process(U64 timeout)
{
if (!gAPRPoolp)
{
ll_init_apr();
}
ares_socket_t socks[ARES_GETSOCK_MAXNUM];
apr_pollfd_t aprFds[ARES_GETSOCK_MAXNUM];
apr_int32_t nsds = 0;
int nactive = 0;
int bitmask;
bitmask = ares_getsock(chan_, socks, ARES_GETSOCK_MAXNUM);
if (bitmask == 0)
{
return nsds > 0;
}
apr_status_t status;
LLAPRPool pool;
status = pool.getStatus() ;
ll_apr_assert_status(status);
for (int i = 0; i < ARES_GETSOCK_MAXNUM; i++)
{
if (ARES_GETSOCK_READABLE(bitmask, i))
{
aprFds[nactive].reqevents = APR_POLLIN | APR_POLLERR;
}
else if (ARES_GETSOCK_WRITABLE(bitmask, i))
{
aprFds[nactive].reqevents = APR_POLLOUT | APR_POLLERR;
} else {
continue;
}
apr_socket_t *aprSock = NULL;
status = apr_os_sock_put(&aprSock, (apr_os_sock_t *) &socks[i], pool.getAPRPool());
if (status != APR_SUCCESS)
{
ll_apr_warn_status(status);
return nsds > 0;
}
aprFds[nactive].desc.s = aprSock;
aprFds[nactive].desc_type = APR_POLL_SOCKET;
aprFds[nactive].p = pool.getAPRPool();
aprFds[nactive].rtnevents = 0;
aprFds[nactive].client_data = &socks[i];
nactive++;
}
if (nactive > 0)
{
status = apr_poll(aprFds, nactive, &nsds, timeout);
if (status != APR_SUCCESS && status != APR_TIMEUP)
{
ll_apr_warn_status(status);
}
for (int i = 0; i < nactive; i++)
{
int evts = aprFds[i].rtnevents;
int ifd = (evts & (APR_POLLIN | APR_POLLERR))
? *((int *) aprFds[i].client_data) : ARES_SOCKET_BAD;
int ofd = (evts & (APR_POLLOUT | APR_POLLERR))
? *((int *) aprFds[i].client_data) : ARES_SOCKET_BAD;
ares_process_fd(chan_, ifd, ofd);
}
}
return nsds > 0;
}
bool LLAres::processAll()
{
bool anyProcessed = false, ret;
do {
timeval tv;
ret = ares_timeout(chan_, NULL, &tv) != NULL;
if (ret)
{
ret = process(tv.tv_sec * 1000000LL + tv.tv_usec);
anyProcessed |= ret;
}
} while (ret);
return anyProcessed;
}
int LLAres::expandName(const char *encoded, const char *abuf, size_t alen,
std::string &s, size_t &enclen)
{
char *t;
int ret;
long e;
ret = ares_expand_name((const unsigned char *) encoded,
(const unsigned char *) abuf, alen, &t, &e);
if (ret == ARES_SUCCESS)
{
s.assign(t);
enclen = e;
ares_free_string(t);
}
return ret;
}
const char *LLAres::strerror(int code)
{
return ares_strerror(code);
}
LLAres *gAres;
LLAres *ll_init_ares()
{
if (gAres == NULL)
{
gAres = new LLAres();
}
return gAres;
}
void ll_cleanup_ares()
{
if (gAres != NULL)
{
delete gAres;
gAres = NULL;
}
}
LLDnsRecord::LLDnsRecord(LLResType type, const std::string &name,
unsigned ttl)
: LLRefCount(),
mType(type),
mName(name),
mTTL(ttl)
{
}
LLHostRecord::LLHostRecord(LLResType type, const std::string &name,
unsigned ttl)
: LLDnsRecord(type, name, ttl)
{
}
int LLHostRecord::parse(const char *buf, size_t len, const char *pos,
size_t rrlen)
{
int ret;
ret = LLAres::expandName(pos, buf, len, mHost);
if (ret != ARES_SUCCESS)
{
goto bail;
}
ret = ARES_SUCCESS;
bail:
return ret;
}
LLCnameRecord::LLCnameRecord(const std::string &name, unsigned ttl)
: LLHostRecord(RES_CNAME, name, ttl)
{
}
LLPtrRecord::LLPtrRecord(const std::string &name, unsigned ttl)
: LLHostRecord(RES_PTR, name, ttl)
{
}
LLAddrRecord::LLAddrRecord(LLResType type, const std::string &name,
unsigned ttl)
: LLDnsRecord(type, name, ttl),
mSize(0)
{
}
LLARecord::LLARecord(const std::string &name, unsigned ttl)
: LLAddrRecord(RES_A, name, ttl)
{
}
int LLARecord::parse(const char *buf, size_t len, const char *pos,
size_t rrlen)
{
int ret;
if (rrlen != sizeof(mSA.sin.sin_addr.s_addr))
{
ret = ARES_EBADRESP;
goto bail;
}
memset(&mSA, 0, sizeof(mSA));
memcpy(&mSA.sin.sin_addr.s_addr, pos, rrlen);
mSA.sin.sin_family = AF_INET6;
mSize = sizeof(mSA.sin);
ret = ARES_SUCCESS;
bail:
return ret;
}
LLAaaaRecord::LLAaaaRecord(const std::string &name, unsigned ttl)
: LLAddrRecord(RES_AAAA, name, ttl)
{
}
int LLAaaaRecord::parse(const char *buf, size_t len, const char *pos,
size_t rrlen)
{
int ret;
if (rrlen != sizeof(mSA.sin6.sin6_addr))
{
ret = ARES_EBADRESP;
goto bail;
}
memset(&mSA, 0, sizeof(mSA));
memcpy(&mSA.sin6.sin6_addr.s6_addr, pos, rrlen);
mSA.sin6.sin6_family = AF_INET6;
mSize = sizeof(mSA.sin6);
ret = ARES_SUCCESS;
bail:
return ret;
}
LLSrvRecord::LLSrvRecord(const std::string &name, unsigned ttl)
: LLHostRecord(RES_SRV, name, ttl),
mPriority(0),
mWeight(0),
mPort(0)
{
}
int LLSrvRecord::parse(const char *buf, size_t len, const char *pos,
size_t rrlen)
{
int ret;
if (rrlen < 6)
{
ret = ARES_EBADRESP;
goto bail;
}
memcpy(&mPriority, pos, 2);
memcpy(&mWeight, pos + 2, 2);
memcpy(&mPort, pos + 4, 2);
mPriority = ntohs(mPriority);
mWeight = ntohs(mWeight);
mPort = ntohs(mPort);
ret = LLHostRecord::parse(buf, len, pos + 6, rrlen - 6);
bail:
return ret;
}
LLNsRecord::LLNsRecord(const std::string &name, unsigned ttl)
: LLHostRecord(RES_NS, name, ttl)
{
}
void LLAres::UriRewriteResponder::queryError(int code)
{
std::vector<std::string> uris;
uris.push_back(mUri.asString());
rewriteResult(uris);
}
void LLAres::UriRewriteResponder::querySuccess()
{
std::vector<std::string> uris;
if (mType != RES_SRV)
{
goto bail;
}
for (size_t i = 0; i < mAnswers.size(); i++)
{
const LLSrvRecord *r = (const LLSrvRecord *) mAnswers[i].get();
if (r->type() == RES_SRV)
{
// Check the domain in the response to ensure that it's
// the same as the domain in the request, so that bad guys
// can't forge responses that point to their own login
// servers with their own certificates.
// Hard-coding the domain to check here is a bit of a
// hack. Hoist it to an outer caller if anyone ever needs
// this functionality on other domains.
static const std::string domain(".lindenlab.com");
const std::string &host = r->host();
std::string::size_type s = host.find(domain) + domain.length();
if (s != host.length() && s != host.length() - 1)
{
continue;
}
LLURI uri(mUri.scheme(),
mUri.userName(),
mUri.password(),
r->host(),
mUri.defaultPort() ? r->port() : mUri.hostPort(),
mUri.escapedPath(),
mUri.escapedQuery());
uris.push_back(uri.asString());
}
}
if (!uris.empty())
{
goto done;
}
bail:
uris.push_back(mUri.asString());
done:
rewriteResult(uris);
}
void LLAres::UriRewriteResponder::rewriteResult(
const std::vector<std::string> &uris)
{
LL_INFOS() << "LLAres::UriRewriteResponder::rewriteResult not implemented"
<< LL_ENDL;
for (size_t i = 0; i < uris.size(); i++)
{
LL_INFOS() << "[" << i << "] " << uris[i] << LL_ENDL;
}
}

View File

@ -1,583 +0,0 @@
/**
* @file llares.h
* @author Bryan O'Sullivan
* @date 2007-08-15
* @brief Wrapper for asynchronous DNS lookups.
*
* $LicenseInfo:firstyear=2007&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#ifndef LL_LLARES_H
#define LL_LLARES_H
#ifdef LL_WINDOWS
// ares.h is broken on windows in that it depends on types defined in ws2tcpip.h
// we need to include them first to work around it, but the headers issue warnings
# pragma warning(push)
# pragma warning(disable:4996)
# include <winsock2.h>
# include <ws2tcpip.h>
# pragma warning(pop)
#endif
#ifdef LL_USESYSTEMLIBS
# include <ares.h>
#else
# include <ares/ares.h>
#endif
#include "llpointer.h"
#include "llrefcount.h"
#include "lluri.h"
#include <boost/shared_ptr.hpp>
class LLQueryResponder;
class LLAresListener;
/**
* @brief Supported DNS RR types.
*/
enum LLResType
{
RES_INVALID = 0, /**< Cookie. */
RES_A = 1, /**< "A" record. IPv4 address. */
RES_NS = 2, /**< "NS" record. Authoritative server. */
RES_CNAME = 5, /**< "CNAME" record. Canonical name. */
RES_PTR = 12, /**< "PTR" record. Domain name pointer. */
RES_AAAA = 28, /**< "AAAA" record. IPv6 Address. */
RES_SRV = 33, /**< "SRV" record. Server Selection. */
RES_MAX = 65536 /**< Sentinel; RR types are 16 bits wide. */
};
/**
* @class LLDnsRecord
* @brief Base class for all DNS RR types.
*/
class LLDnsRecord : public LLRefCount
{
protected:
friend class LLQueryResponder;
LLResType mType;
std::string mName;
unsigned mTTL;
virtual int parse(const char *buf, size_t len, const char *pos,
size_t rrlen) = 0;
LLDnsRecord(LLResType type, const std::string &name, unsigned ttl);
public:
/**
* @brief Record name.
*/
const std::string &name() const { return mName; }
/**
* @brief Time-to-live value, in seconds.
*/
unsigned ttl() const { return mTTL; }
/**
* @brief RR type.
*/
LLResType type() const { return mType; }
};
/**
* @class LLAddrRecord
* @brief Base class for address-related RRs.
*/
class LLAddrRecord : public LLDnsRecord
{
protected:
friend class LLQueryResponder;
LLAddrRecord(LLResType type, const std::string &name, unsigned ttl);
union
{
sockaddr sa;
sockaddr_in sin;
sockaddr_in6 sin6;
} mSA;
socklen_t mSize;
public:
/**
* @brief Generic socket address.
*/
const sockaddr &addr() const { return mSA.sa; }
/**
* @brief Size of the socket structure.
*/
socklen_t size() const { return mSize; }
};
/**
* @class LLARecord
* @brief A RR, for IPv4 addresses.
*/
class LLARecord : public LLAddrRecord
{
protected:
friend class LLQueryResponder;
LLARecord(const std::string &name, unsigned ttl);
int parse(const char *buf, size_t len, const char *pos, size_t rrlen);
public:
/**
* @brief Socket address.
*/
const sockaddr_in &addr_in() const { return mSA.sin; }
};
/**
* @class LLAaaaRecord
* @brief AAAA RR, for IPv6 addresses.
*/
class LLAaaaRecord : public LLAddrRecord
{
protected:
friend class LLQueryResponder;
LLAaaaRecord(const std::string &name, unsigned ttl);
int parse(const char *buf, size_t len, const char *pos, size_t rrlen);
public:
/**
* @brief Socket address.
*/
const sockaddr_in6 &addr_in6() const { return mSA.sin6; }
};
/**
* @class LLHostRecord
* @brief Base class for host-related RRs.
*/
class LLHostRecord : public LLDnsRecord
{
protected:
LLHostRecord(LLResType type, const std::string &name, unsigned ttl);
int parse(const char *buf, size_t len, const char *pos, size_t rrlen);
std::string mHost;
public:
/**
* @brief Host name.
*/
const std::string &host() const { return mHost; }
};
/**
* @class LLCnameRecord
* @brief CNAME RR.
*/
class LLCnameRecord : public LLHostRecord
{
protected:
friend class LLQueryResponder;
LLCnameRecord(const std::string &name, unsigned ttl);
};
/**
* @class LLPtrRecord
* @brief PTR RR.
*/
class LLPtrRecord : public LLHostRecord
{
protected:
friend class LLQueryResponder;
LLPtrRecord(const std::string &name, unsigned ttl);
};
/**
* @class LLSrvRecord
* @brief SRV RR.
*/
class LLSrvRecord : public LLHostRecord
{
protected:
U16 mPriority;
U16 mWeight;
U16 mPort;
int parse(const char *buf, size_t len, const char *pos, size_t rrlen);
public:
LLSrvRecord(const std::string &name, unsigned ttl);
/**
* @brief Service priority.
*/
U16 priority() const { return mPriority; }
/**
* @brief Service weight.
*/
U16 weight() const { return mWeight; }
/**
* @brief Port number of service.
*/
U16 port() const { return mPort; }
/**
* @brief Functor for sorting SRV records by priority.
*/
struct ComparePriorityLowest
{
bool operator()(const LLSrvRecord& lhs, const LLSrvRecord& rhs)
{
return lhs.mPriority < rhs.mPriority;
}
};
};
/**
* @class LLNsRecord
* @brief NS RR.
*/
class LLNsRecord : public LLHostRecord
{
public:
LLNsRecord(const std::string &name, unsigned ttl);
};
class LLQueryResponder;
/**
* @class LLAres
* @brief Asynchronous address resolver.
*/
class LLAres
{
public:
/**
* @class HostResponder
* @brief Base class for responding to hostname lookups.
* @see LLAres::getHostByName
*/
class HostResponder : public LLRefCount
{
public:
virtual ~HostResponder();
virtual void hostResult(const hostent *ent);
virtual void hostError(int code);
};
/**
* @class NameInfoResponder
* @brief Base class for responding to address lookups.
* @see LLAres::getNameInfo
*/
class NameInfoResponder : public LLRefCount
{
public:
virtual ~NameInfoResponder();
virtual void nameInfoResult(const char *node, const char *service);
virtual void nameInfoError(int code);
};
/**
* @class QueryResponder
* @brief Base class for responding to custom searches.
* @see LLAres::search
*/
class QueryResponder : public LLRefCount
{
public:
virtual ~QueryResponder();
virtual void queryResult(const char *buf, size_t len);
virtual void queryError(int code);
};
class SrvResponder;
class UriRewriteResponder;
LLAres();
~LLAres();
/**
* Cancel all outstanding requests. The error methods of the
* corresponding responders will be called, with ARES_ETIMEOUT.
*/
void cancel();
/**
* Look up the address of a host.
*
* @param name name of host to look up
* @param resp responder to call with result
* @param family AF_INET for IPv4 addresses, AF_INET6 for IPv6
*/
void getHostByName(const std::string &name, HostResponder *resp,
int family = AF_INET) {
getHostByName(name.c_str(), resp, family);
}
/**
* Look up the address of a host.
*
* @param name name of host to look up
* @param resp responder to call with result
* @param family AF_INET for IPv4 addresses, AF_INET6 for IPv6
*/
void getHostByName(const char *name, HostResponder *resp,
int family = PF_INET);
/**
* Look up the name associated with a socket address.
*
* @param sa socket address to look up
* @param salen size of socket address
* @param flags flags to use
* @param resp responder to call with result
*/
void getNameInfo(const struct sockaddr &sa, socklen_t salen, int flags,
NameInfoResponder *resp);
/**
* Look up SRV (service location) records for a service name.
*
* @param name service name (e.g. "_https._tcp.login.agni.lindenlab.com")
* @param resp responder to call with result
*/
void getSrvRecords(const std::string &name, SrvResponder *resp);
/**
* Rewrite a URI, using SRV (service location) records for its
* protocol if available. If no SRV records are published, the
* existing URI is handed to the responder.
*
* @param uri URI to rewrite
* @param resp responder to call with result
*/
void rewriteURI(const std::string &uri,
UriRewriteResponder *resp);
/**
* Start a custom search.
*
* @param query query to make
* @param type type of query to perform
* @param resp responder to call with result
*/
void search(const std::string &query, LLResType type,
QueryResponder *resp);
/**
* Process any outstanding queries. This method takes an optional
* timeout parameter (specified in microseconds). If provided, it
* will block the calling thread for that length of time to await
* possible responses. A timeout of zero will return immediately
* if there are no responses or timeouts to process.
*
* @param timeoutUsecs number of microseconds to block before timing out
* @return whether any responses were processed
*/
bool process(U64 timeoutUsecs = 0);
/**
* Process all outstanding queries, blocking the calling thread
* until all have either been responded to or timed out.
*
* @return whether any responses were processed
*/
bool processAll();
/**
* Expand a DNS-encoded compressed string into a normal string.
*
* @param encoded the encoded name (null-terminated)
* @param abuf the response buffer in which the string is embedded
* @param alen the length of the response buffer
* @param s the string into which to place the result
* @return ARES_SUCCESS on success, otherwise an error indicator
*/
static int expandName(const char *encoded, const char *abuf, size_t alen,
std::string &s) {
size_t ignore;
return expandName(encoded, abuf, alen, s, ignore);
}
static int expandName(const char *encoded, const char *abuf, size_t alen,
std::string &s, size_t &enclen);
/**
* Return a string describing an error code.
*/
static const char *strerror(int code);
bool isInitialized(void) { return mInitSuccess; }
protected:
ares_channel chan_;
bool mInitSuccess;
// boost::scoped_ptr would actually fit the requirement better, but it
// can't handle incomplete types as boost::shared_ptr can.
boost::shared_ptr<LLAresListener> mListener;
};
/**
* An ordered collection of DNS resource records.
*/
typedef std::vector<LLPointer<LLDnsRecord> > dns_rrs_t;
/**
* @class LLQueryResponder
* @brief Base class for friendly handling of DNS query responses.
*
* This class parses a DNS response and represents it in a friendly
* manner.
*
* @see LLDnsRecord
* @see LLARecord
* @see LLNsRecord
* @see LLCnameRecord
* @see LLPtrRecord
* @see LLAaaaRecord
* @see LLSrvRecord
*/
class LLQueryResponder : public LLAres::QueryResponder
{
protected:
int mResult;
std::string mQuery;
LLResType mType;
dns_rrs_t mAnswers;
dns_rrs_t mAuthorities;
dns_rrs_t mAdditional;
/**
* Parse a single RR.
*/
int parseRR(const char *buf, size_t len, const char *&pos,
LLPointer<LLDnsRecord> &r);
/**
* Parse one section of a response.
*/
int parseSection(const char *buf, size_t len,
size_t count, const char *& pos, dns_rrs_t &rrs);
void queryResult(const char *buf, size_t len);
virtual void querySuccess();
public:
LLQueryResponder();
/**
* Indicate whether the response could be parsed successfully.
*/
bool valid() const { return mResult == ARES_SUCCESS; }
/**
* The more detailed result of parsing the response.
*/
int result() const { return mResult; }
/**
* Return the query embedded in the response.
*/
const std::string &query() const { return mQuery; }
/**
* Return the contents of the "answers" section of the response.
*/
const dns_rrs_t &answers() const { return mAnswers; }
/**
* Return the contents of the "authorities" section of the
* response.
*/
const dns_rrs_t &authorities() const { return mAuthorities; }
/**
* Return the contents of the "additional records" section of the
* response.
*/
const dns_rrs_t &additional() const { return mAdditional; }
};
/**
* @class LLAres::SrvResponder
* @brief Class for handling SRV query responses.
*/
class LLAres::SrvResponder : public LLQueryResponder
{
public:
friend void LLAres::getSrvRecords(const std::string &name,
SrvResponder *resp);
void querySuccess();
void queryError(int code);
virtual void srvResult(const dns_rrs_t &ents);
virtual void srvError(int code);
};
/**
* @class LLAres::UriRewriteResponder
* @brief Class for handling URI rewrites based on SRV records.
*/
class LLAres::UriRewriteResponder : public LLQueryResponder
{
protected:
LLURI mUri;
public:
friend void LLAres::rewriteURI(const std::string &uri,
UriRewriteResponder *resp);
void querySuccess();
void queryError(int code);
virtual void rewriteResult(const std::vector<std::string> &uris);
};
/**
* Singleton responder.
*/
extern LLAres *gAres;
/**
* Set up the singleton responder. It's safe to call this more than
* once from within a single thread, but this function is not
* thread safe.
*/
extern LLAres *ll_init_ares();
extern void ll_cleanup_ares();
#endif // LL_LLARES_H

View File

@ -1,104 +0,0 @@
/**
* @file llareslistener.cpp
* @author Nat Goodspeed
* @date 2009-03-18
* @brief Implementation for llareslistener.
*
* $LicenseInfo:firstyear=2009&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
// Precompiled header
#include "linden_common.h"
// associated header
#include "llareslistener.h"
// STL headers
// std headers
// external library headers
// other Linden headers
#include "llares.h"
#include "llerror.h"
#include "llevents.h"
#include "llsdutil.h"
LLAresListener::LLAresListener(LLAres* llares):
LLEventAPI("LLAres",
"LLAres listener to request DNS operations"),
mAres(llares)
{
// add() every method we want to be able to invoke via this event API.
// Optional last parameter validates expected LLSD request structure.
add("rewriteURI",
"Given [\"uri\"], return on [\"reply\"] an array of alternative URIs.\n"
"On failure, returns an array containing only the original URI, so\n"
"failure case can be processed like success case.",
&LLAresListener::rewriteURI,
LLSD().with("uri", LLSD()).with("reply", LLSD()));
}
/// This UriRewriteResponder subclass packages returned URIs as an LLSD
/// array to send back to the requester.
class UriRewriteResponder: public LLAres::UriRewriteResponder
{
public:
/**
* Specify the request, containing the event pump name on which to send
* the reply.
*/
UriRewriteResponder(const LLSD& request):
mReqID(request),
mPumpName(request["reply"])
{}
/// Called by base class with results. This is called in both the
/// success and error cases. On error, the calling logic passes the
/// original URI.
virtual void rewriteResult(const std::vector<std::string>& uris)
{
LLSD result;
for (std::vector<std::string>::const_iterator ui(uris.begin()), uend(uris.end());
ui != uend; ++ui)
{
result.append(*ui);
}
// This call knows enough to avoid trying to insert a map key into an
// LLSD array. It's there so that if, for any reason, we ever decide
// to change the response from array to map, it will Just Start Working.
mReqID.stamp(result);
LLEventPumps::instance().obtain(mPumpName).post(result);
}
private:
LLReqID mReqID;
const std::string mPumpName;
};
void LLAresListener::rewriteURI(const LLSD& data)
{
if (mAres)
{
mAres->rewriteURI(data["uri"], new UriRewriteResponder(data));
}
else
{
LL_INFOS() << "LLAresListener::rewriteURI requested without Ares present. Ignoring: " << data << LL_ENDL;
}
}

View File

@ -1,53 +0,0 @@
/**
* @file llareslistener.h
* @author Nat Goodspeed
* @date 2009-03-18
* @brief LLEventPump API for LLAres. This header doesn't actually define the
* API; the API is defined by the pump name on which this class
* listens, and by the expected content of LLSD it receives.
*
* $LicenseInfo:firstyear=2009&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#if ! defined(LL_LLARESLISTENER_H)
#define LL_LLARESLISTENER_H
#include "lleventapi.h"
class LLAres;
class LLSD;
/// Listen on an LLEventPump with specified name for LLAres request events.
class LLAresListener: public LLEventAPI
{
public:
/// Bind the LLAres instance to use (e.g. gAres)
LLAresListener(LLAres* llares);
private:
/// command["op"] == "rewriteURI"
void rewriteURI(const LLSD& data);
LLAres* mAres;
};
#endif /* ! defined(LL_LLARESLISTENER_H) */

View File

@ -57,7 +57,6 @@
#include "llfocusmgr.h"
#include "llviewerjoystick.h"
#include "llallocator.h"
#include "llares.h"
#include "llcalc.h"
#include "llconversationlog.h"
#include "lldxhardware.h"
@ -1283,7 +1282,6 @@ static LLTrace::BlockTimerStatHandle FTM_LFS("LFS Thread");
static LLTrace::BlockTimerStatHandle FTM_PAUSE_THREADS("Pause Threads");
static LLTrace::BlockTimerStatHandle FTM_IDLE("Idle");
static LLTrace::BlockTimerStatHandle FTM_PUMP("Pump");
static LLTrace::BlockTimerStatHandle FTM_PUMP_ARES("Ares");
static LLTrace::BlockTimerStatHandle FTM_PUMP_SERVICE("Service");
static LLTrace::BlockTimerStatHandle FTM_SERVICE_CALLBACK("Callback");
static LLTrace::BlockTimerStatHandle FTM_AGENT_AUTOPILOT("Autopilot");
@ -1425,26 +1423,6 @@ bool LLAppViewer::mainLoop()
LL_RECORD_BLOCK_TIME(FTM_IDLE);
idle();
if (gAres != NULL && gAres->isInitialized())
{
pingMainloopTimeout("Main:ServicePump");
LL_RECORD_BLOCK_TIME(FTM_PUMP);
{
LL_RECORD_BLOCK_TIME(FTM_PUMP_ARES);
gAres->process();
}
{
LL_RECORD_BLOCK_TIME(FTM_PUMP_SERVICE);
// this pump is necessary to make the login screen show up
gServicePump->pump();
{
LL_RECORD_BLOCK_TIME(FTM_SERVICE_CALLBACK);
gServicePump->callback();
}
}
}
resumeMainloopTimeout();
}
@ -2014,9 +1992,6 @@ bool LLAppViewer::cleanup()
// Non-LLCurl libcurl library
mAppCoreHttp.cleanup();
// NOTE The following call is not thread safe.
ll_cleanup_ares();
LLFilePickerThread::cleanupClass();
//MUST happen AFTER LLCurl::cleanupClass

View File

@ -46,7 +46,6 @@
#include "llaudioengine_openal.h"
#endif
#include "llares.h"
#include "llavatarnamecache.h"
#include "llexperiencecache.h"
#include "lllandmark.h"
@ -444,13 +443,6 @@ bool idle_startup()
// Load the throttle settings
gViewerThrottle.load();
if (ll_init_ares() == NULL || !gAres->isInitialized())
{
std::string diagnostic = "Could not start address resolution system";
LL_WARNS("AppInit") << diagnostic << LL_ENDL;
LLAppViewer::instance()->earlyExit("LoginFailedNoNetwork", LLSD().with("DIAGNOSTIC", diagnostic));
}
//
// Initialize messaging system
//

View File

@ -108,7 +108,7 @@ private:
// In a coroutine's top-level function args, do NOT NOT NOT accept
// references (const or otherwise) to anything! Pass by value only!
void login_(std::string uri, LLSD credentials);
void loginCoro(std::string uri, LLSD credentials);
LLEventStream mPump;
LLSD mAuthResponse, mValidAuthResponse;
@ -122,11 +122,11 @@ void LLLogin::Impl::connect(const std::string& uri, const LLSD& login_params)
// its first wait; at that point, return here.
std::string coroname =
LLCoros::instance().launch("LLLogin::Impl::login_",
boost::bind(&Impl::login_, this, uri, login_params));
boost::bind(&Impl::loginCoro, this, uri, login_params));
LL_DEBUGS("LLLogin") << " connected with uri '" << uri << "', login_params " << login_params << LL_ENDL;
}
void LLLogin::Impl::login_(std::string uri, LLSD login_params)
void LLLogin::Impl::loginCoro(std::string uri, LLSD login_params)
{
try
{
@ -143,43 +143,6 @@ void LLLogin::Impl::login_(std::string uri, LLSD login_params)
LLEventStream replyPump("SRVreply", true);
// Should be an array of one or more uri strings.
LLSD rewrittenURIs;
{
LLEventTimeout filter(replyPump);
sendProgressEvent("offline", "srvrequest");
// Request SRV record.
LL_DEBUGS("LLLogin") << "Requesting SRV record from " << uri << LL_ENDL;
// *NOTE:Mani - Completely arbitrary default timeout value for SRV request.
F32 seconds_to_timeout = 5.0f;
if(login_params.has("cfg_srv_timeout"))
{
seconds_to_timeout = login_params["cfg_srv_timeout"].asReal();
}
// If the SRV request times out (e.g. EXT-3934), simulate response: an
// array containing our original URI.
LLSD fakeResponse(LLSD::emptyArray());
fakeResponse.append(uri);
filter.eventAfter(seconds_to_timeout, fakeResponse);
std::string srv_pump_name = "LLAres";
if(login_params.has("cfg_srv_pump"))
{
srv_pump_name = login_params["cfg_srv_pump"].asString();
}
// Make request
LLSD request;
request["op"] = "rewriteURI";
request["uri"] = uri;
request["reply"] = replyPump.getName();
rewrittenURIs = llcoro::postAndSuspend(request, srv_pump_name, filter);
// EXP-772: If rewrittenURIs fail, try original URI as a fallback.
rewrittenURIs.append(uri);
} // we no longer need the filter
LLEventPump& xmlrpcPump(LLEventPumps::instance().obtain("LLXMLRPCTransaction"));
// EXT-4193: use a DIFFERENT reply pump than for the SRV request. We used
// to share them -- but the EXT-3934 fix made it possible for an abandoned
@ -190,107 +153,103 @@ void LLLogin::Impl::login_(std::string uri, LLSD login_params)
// Because of possible redirect responses, we may make more than one
// attempt per rewrittenURIs entry.
LLSD::Integer attempts = 0;
for (LLSD::array_const_iterator urit(rewrittenURIs.beginArray()),
urend(rewrittenURIs.endArray());
urit != urend; ++urit)
LLSD request(login_params);
request["reply"] = loginReplyPump.getName();
request["uri"] = uri;
std::string status;
// Loop back to here if login attempt redirects to a different
// request["uri"]
for (;;)
{
LLSD request(login_params);
request["reply"] = loginReplyPump.getName();
request["uri"] = *urit;
std::string status;
// Loop back to here if login attempt redirects to a different
// request["uri"]
for (;;)
{
++attempts;
LLSD progress_data;
progress_data["attempt"] = attempts;
progress_data["request"] = request;
if(progress_data["request"].has("params")
&& progress_data["request"]["params"].has("passwd"))
{
progress_data["request"]["params"]["passwd"] = "*******";
}
sendProgressEvent("offline", "authenticating", progress_data);
// We expect zero or more "Downloading" status events, followed by
// exactly one event with some other status. Use postAndSuspend() the
// first time, because -- at least in unit-test land -- it's
// possible for the reply to arrive before the post() call
// returns. Subsequent responses, of course, must be awaited
// without posting again.
for (mAuthResponse = validateResponse(loginReplyPump.getName(),
llcoro::postAndSuspend(request, xmlrpcPump, loginReplyPump, "reply"));
mAuthResponse["status"].asString() == "Downloading";
mAuthResponse = validateResponse(loginReplyPump.getName(),
llcoro::suspendUntilEventOn(loginReplyPump)))
{
// Still Downloading -- send progress update.
sendProgressEvent("offline", "downloading");
}
LL_DEBUGS("LLLogin") << "Auth Response: " << mAuthResponse << LL_ENDL;
status = mAuthResponse["status"].asString();
// Okay, we've received our final status event for this
// request. Unless we got a redirect response, break the retry
// loop for the current rewrittenURIs entry.
if (!(status == "Complete" &&
mAuthResponse["responses"]["login"].asString() == "indeterminate"))
{
break;
}
sendProgressEvent("offline", "indeterminate", mAuthResponse["responses"]);
// Here the login service at the current URI is redirecting us
// to some other URI ("indeterminate" -- why not "redirect"?).
// The response should contain another uri to try, with its
// own auth method.
request["uri"] = mAuthResponse["responses"]["next_url"].asString();
request["method"] = mAuthResponse["responses"]["next_method"].asString();
} // loop back to try the redirected URI
// Here we're done with redirects for the current rewrittenURIs
// entry.
if (status == "Complete")
{
// StatusComplete does not imply auth success. Check the
// actual outcome of the request. We've already handled the
// "indeterminate" case in the loop above.
if (mAuthResponse["responses"]["login"].asString() == "true")
{
sendProgressEvent("online", "connect", mAuthResponse["responses"]);
}
else
{
sendProgressEvent("offline", "fail.login", mAuthResponse["responses"]);
}
return; // Done!
}
/* Sometimes we end with "Started" here. Slightly slow server?
* Seems to be ok to just skip it. Otherwise we'd error out and crash in the if below.
*/
if( status == "Started")
++attempts;
LLSD progress_data;
progress_data["attempt"] = attempts;
progress_data["request"] = request;
if(progress_data["request"].has("params")
&& progress_data["request"]["params"].has("passwd"))
{
LL_DEBUGS("LLLogin") << mAuthResponse << LL_ENDL;
continue;
progress_data["request"]["params"]["passwd"] = "*******";
}
sendProgressEvent("offline", "authenticating", progress_data);
// If we don't recognize status at all, trouble
if (! (status == "CURLError"
|| status == "XMLRPCError"
|| status == "OtherError"))
// We expect zero or more "Downloading" status events, followed by
// exactly one event with some other status. Use postAndSuspend() the
// first time, because -- at least in unit-test land -- it's
// possible for the reply to arrive before the post() call
// returns. Subsequent responses, of course, must be awaited
// without posting again.
for (mAuthResponse = validateResponse(loginReplyPump.getName(),
llcoro::postAndSuspend(request, xmlrpcPump, loginReplyPump, "reply"));
mAuthResponse["status"].asString() == "Downloading";
mAuthResponse = validateResponse(loginReplyPump.getName(),
llcoro::suspendUntilEventOn(loginReplyPump)))
{
LL_ERRS("LLLogin") << "Unexpected status from " << xmlrpcPump.getName() << " pump: "
<< mAuthResponse << LL_ENDL;
return;
// Still Downloading -- send progress update.
sendProgressEvent("offline", "downloading");
}
LL_DEBUGS("LLLogin") << "Auth Response: " << mAuthResponse << LL_ENDL;
status = mAuthResponse["status"].asString();
// Okay, we've received our final status event for this
// request. Unless we got a redirect response, break the retry
// loop for the current rewrittenURIs entry.
if (!(status == "Complete" &&
mAuthResponse["responses"]["login"].asString() == "indeterminate"))
{
break;
}
// Here status IS one of the errors tested above.
} // Retry if there are any more rewrittenURIs.
sendProgressEvent("offline", "indeterminate", mAuthResponse["responses"]);
// Here the login service at the current URI is redirecting us
// to some other URI ("indeterminate" -- why not "redirect"?).
// The response should contain another uri to try, with its
// own auth method.
request["uri"] = mAuthResponse["responses"]["next_url"].asString();
request["method"] = mAuthResponse["responses"]["next_method"].asString();
} // loop back to try the redirected URI
// Here we're done with redirects for the current rewrittenURIs
// entry.
if (status == "Complete")
{
// StatusComplete does not imply auth success. Check the
// actual outcome of the request. We've already handled the
// "indeterminate" case in the loop above.
if (mAuthResponse["responses"]["login"].asString() == "true")
{
sendProgressEvent("online", "connect", mAuthResponse["responses"]);
}
else
{
sendProgressEvent("offline", "fail.login", mAuthResponse["responses"]);
}
return; // Done!
}
// /* Sometimes we end with "Started" here. Slightly slow server?
// * Seems to be ok to just skip it. Otherwise we'd error out and crash in the if below.
// */
// if( status == "Started")
// {
// LL_DEBUGS("LLLogin") << mAuthResponse << LL_ENDL;
// continue;
// }
// If we don't recognize status at all, trouble
if (! (status == "CURLError"
|| status == "XMLRPCError"
|| status == "OtherError"))
{
LL_ERRS("LLLogin") << "Unexpected status from " << xmlrpcPump.getName() << " pump: "
<< mAuthResponse << LL_ENDL;
return;
}
// Here status IS one of the errors tested above.
// Here we got through all the rewrittenURIs without succeeding. Tell
// caller this didn't work out so well. Of course, the only failure data

View File

@ -96,61 +96,6 @@ public:
}
};
class LLAresListener: public LLEventTrackable
{
std::string mName;
LLSD mEvent;
bool mImmediateResponse;
bool mMultipleURIResponse;
Debug mDebug;
public:
LLAresListener(const std::string& name,
bool i = false,
bool m = false
) :
mName(name),
mImmediateResponse(i),
mMultipleURIResponse(m),
mDebug(stringize(*this))
{}
bool handle_event(const LLSD& event)
{
mDebug(STRINGIZE("LLAresListener called!: " << event));
mEvent = event;
if(mImmediateResponse)
{
sendReply();
}
return false;
}
void sendReply()
{
if(mEvent["op"].asString() == "rewriteURI")
{
LLSD result;
if(mMultipleURIResponse)
{
result.append(LLSD("login.foo.com"));
}
result.append(mEvent["uri"]);
LLEventPumps::instance().obtain(mEvent["reply"]).post(result);
}
}
LLBoundListener listenTo(LLEventPump& pump)
{
return pump.listen(mName, boost::bind(&LLAresListener::handle_event, this, _1));
}
friend std::ostream& operator<<(std::ostream& out, const LLAresListener& listener)
{
return out << "LLAresListener(" << listener.mName << ')';
}
};
class LLXMLRPCListener: public LLEventTrackable
{
std::string mName;
@ -232,16 +177,12 @@ namespace tut
void llviewerlogin_object::test<1>()
{
DEBUG;
// Testing login with immediate responses from Ares and XMLPRC
// The response from both requests will come before the post request exits.
// Testing login with an immediate response from XMLPRC
// The response will come before the post request exits.
// This tests an edge case of the login state handling.
LLEventStream llaresPump("LLAres"); // Dummy LLAres pump.
LLEventStream xmlrpcPump("LLXMLRPCTransaction"); // Dummy XMLRPC pump
bool respond_immediately = true;
// Have 'dummy ares' respond immediately.
LLAresListener dummyLLAres("dummy_llares", respond_immediately);
dummyLLAres.listenTo(llaresPump);
// Have dummy XMLRPC respond immediately.
LLXMLRPCListener dummyXMLRPC("dummy_xmlrpc", respond_immediately);
@ -264,111 +205,14 @@ namespace tut
template<> template<>
void llviewerlogin_object::test<2>()
{
DEBUG;
// Tests a successful login in with delayed responses.
// Also includes 'failure' that cause the login module
// to re-attempt connection, once from a basic failure
// and once from the 'indeterminate' response.
set_test_name("LLLogin multiple srv uris w/ success");
// Testing normal login procedure.
LLEventStream llaresPump("LLAres"); // Dummy LLAres pump.
LLEventStream xmlrpcPump("LLXMLRPCTransaction"); // Dummy XMLRPC pump
bool respond_immediately = false;
bool multiple_addresses = true;
LLAresListener dummyLLAres("dummy_llares", respond_immediately, multiple_addresses);
dummyLLAres.listenTo(llaresPump);
LLXMLRPCListener dummyXMLRPC("dummy_xmlrpc");
dummyXMLRPC.listenTo(xmlrpcPump);
LLLogin login;
LoginListener listener("test_ear");
listener.listenTo(login.getEventPump());
LLSD credentials;
credentials["first"] = "foo";
credentials["last"] = "bar";
credentials["passwd"] = "secret";
login.connect("login.bar.com", credentials);
ensure_equals("SRV state", listener.lastEvent()["change"].asString(), "srvrequest");
dummyLLAres.sendReply();
// Test Authenticating State prior to first response.
ensure_equals("Auth state 1", listener.lastEvent()["change"].asString(), "authenticating");
ensure_equals("Attempt 1", listener.lastEvent()["data"]["attempt"].asInteger(), 1);
ensure_equals("URI 1", listener.lastEvent()["data"]["request"]["uri"].asString(), "login.foo.com");
// First send emulated LLXMLRPCListener failure,
// this should return login to the authenticating step and increase the attempt
// count.
LLSD data;
data["status"] = "OtherError";
data["errorcode"] = 0;
data["error"] = "dummy response";
data["transfer_rate"] = 0;
dummyXMLRPC.setResponse(data);
dummyXMLRPC.sendReply();
ensure_equals("Fail back to authenticate 1", listener.lastEvent()["change"].asString(), "authenticating");
ensure_equals("Attempt 2", listener.lastEvent()["data"]["attempt"].asInteger(), 2);
ensure_equals("URI 2", listener.lastEvent()["data"]["request"]["uri"].asString(), "login.bar.com");
// Now send the 'indeterminate' response.
data.clear();
data["status"] = "Complete"; // StatusComplete
data["errorcode"] = 0;
data["error"] = "dummy response";
data["transfer_rate"] = 0;
data["responses"]["login"] = "indeterminate";
data["responses"]["next_url"] = "login.indeterminate.com";
data["responses"]["next_method"] = "test_login_method";
dummyXMLRPC.setResponse(data);
dummyXMLRPC.sendReply();
ensure_equals("Fail back to authenticate 2", listener.lastEvent()["change"].asString(), "authenticating");
ensure_equals("Attempt 3", listener.lastEvent()["data"]["attempt"].asInteger(), 3);
ensure_equals("URI 3", listener.lastEvent()["data"]["request"]["uri"].asString(), "login.indeterminate.com");
ensure_equals("Method 3", listener.lastEvent()["data"]["request"]["method"].asString(), "test_login_method");
// Finally let the auth succeed.
data.clear();
data["status"] = "Complete"; // StatusComplete
data["errorcode"] = 0;
data["error"] = "dummy response";
data["transfer_rate"] = 0;
data["responses"]["login"] = "true";
dummyXMLRPC.setResponse(data);
dummyXMLRPC.sendReply();
ensure_equals("Success state", listener.lastEvent()["state"].asString(), "online");
login.disconnect();
ensure_equals("Disconnected state", listener.lastEvent()["state"].asString(), "offline");
}
template<> template<>
void llviewerlogin_object::test<3>()
{
DEBUG;
// Test completed response, that fails to login.
set_test_name("LLLogin valid response, failure (eg. bad credentials)");
// Testing normal login procedure.
LLEventStream llaresPump("LLAres"); // Dummy LLAres pump.
LLEventStream xmlrpcPump("LLXMLRPCTransaction"); // Dummy XMLRPC pump
LLAresListener dummyLLAres("dummy_llares");
dummyLLAres.listenTo(llaresPump);
LLXMLRPCListener dummyXMLRPC("dummy_xmlrpc");
dummyXMLRPC.listenTo(xmlrpcPump);
@ -383,10 +227,6 @@ namespace tut
login.connect("login.bar.com", credentials);
ensure_equals("SRV state", listener.lastEvent()["change"].asString(), "srvrequest");
dummyLLAres.sendReply();
ensure_equals("Auth state", listener.lastEvent()["change"].asString(), "authenticating");
// Send the failed auth request reponse
@ -403,19 +243,15 @@ namespace tut
}
template<> template<>
void llviewerlogin_object::test<4>()
void llviewerlogin_object::test<3>()
{
DEBUG;
// Test incomplete response, that end the attempt.
set_test_name("LLLogin valid response, failure (eg. bad credentials)");
// Testing normal login procedure.
LLEventStream llaresPump("LLAres"); // Dummy LLAres pump.
LLEventStream xmlrpcPump("LLXMLRPCTransaction"); // Dummy XMLRPC pump
LLAresListener dummyLLAres("dummy_llares");
dummyLLAres.listenTo(llaresPump);
LLXMLRPCListener dummyXMLRPC("dummy_xmlrpc");
dummyXMLRPC.listenTo(xmlrpcPump);
@ -430,10 +266,6 @@ namespace tut
login.connect("login.bar.com", credentials);
ensure_equals("SRV state", listener.lastEvent()["change"].asString(), "srvrequest");
dummyLLAres.sendReply();
ensure_equals("Auth state", listener.lastEvent()["change"].asString(), "authenticating");
// Send the failed auth request reponse
@ -449,17 +281,13 @@ namespace tut
}
template<> template<>
void llviewerlogin_object::test<5>()
void llviewerlogin_object::test<4>()
{
DEBUG;
// Test SRV request timeout.
set_test_name("LLLogin SRV timeout testing");
// Testing normal login procedure.
LLEventStream llaresPump("LLAres"); // Dummy LLAres pump.
LLAresListener dummyLLAres("dummy_llares");
dummyLLAres.listenTo(llaresPump);
LLLogin login;
LoginListener listener("test_ear");
@ -473,26 +301,15 @@ namespace tut
login.connect("login.bar.com", credentials);
ensure_equals("SRV State", listener.lastEvent()["change"].asString(), "srvrequest");
// Get the mainloop eventpump, which needs a pinging in order to drive the
// SRV timeout.
LLEventPump& mainloop(LLEventPumps::instance().obtain("mainloop"));
LLSD frame_event;
mainloop.post(frame_event);
// In this state we have NOT sent a reply from LLAresListener -- in
// fact there's no such object. Nonetheless, we expect the timeout to
// have stepped the login module forward to try to authenticate with
// the original URI.
ensure_equals("Auth state", listener.lastEvent()["change"].asString(), "authenticating");
ensure_equals("Attempt", listener.lastEvent()["data"]["attempt"].asInteger(), 1);
ensure_equals("URI", listener.lastEvent()["data"]["request"]["uri"].asString(), "login.bar.com");
// EXT-4193: if the SRV reply isn't lost but merely late, and if it
// arrives just at the moment we're expecting the XMLRPC reply, the
// original code got confused and crashed. Drive that case here. We
// observe that without the fix, this call DOES repro.
dummyLLAres.sendReply();
}
}