-/* $Id: yaz-proxy.cpp,v 1.14 2004-12-13 20:52:33 adam Exp $
- Copyright (c) 1998-2004, Index Data.
+/* $Id: yaz-proxy.cpp,v 1.20 2005-02-10 08:09:42 oleg Exp $
+ Copyright (c) 1998-2005, Index Data.
This file is part of the yaz-proxy.
*/
#ifdef WIN32
-#else
-#include <unistd.h>
+#define HAVE_SYS_STAT_H 1
+#define HAVE_SYS_TYPES_H 1
#endif
-#if HAVE_GETTIMEOFDAY
+#if HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#if HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
+#if HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#if HAVE_SYS_STAT_H
+#include <sys/stat.h>
+#endif
#include <assert.h>
#include <time.h>
-#include <sys/types.h>
#include <fcntl.h>
#include <yaz/srw.h>
#include "proxyp.h"
#include <yaz/pquery.h>
#include <yaz/otherinfo.h>
+#include <yaz/charneg.h>
+
static const char *apdu_name(Z_APDU *apdu)
{
}
return "Unknown request/response";
}
-
Yaz_Proxy::Yaz_Proxy(IYaz_PDU_Observable *the_PDU_Observable,
Yaz_Proxy *parent) :
Yaz_Z_Assoc(the_PDU_Observable), m_bw_stat(60), m_pdu_stat(60)
m_proxyTarget = 0;
m_default_target = 0;
m_proxy_authentication = 0;
+ m_proxy_negotiation_charset = 0;
+ m_proxy_negotiation_lang = 0;
m_max_clients = 150;
m_log_mask = 0;
m_seed = time(0);
m_initRequest_maximumRecordSize = 0;
m_initRequest_options = 0;
m_initRequest_version = 0;
+ m_initRequest_oi_negotiation_charsets = 0;
+ m_initRequest_oi_negotiation_num_charsets = 0;
+ m_initRequest_oi_negotiation_langs = 0;
+ m_initRequest_oi_negotiation_num_langs = 0;
+ m_initRequest_oi_negotiation_selected = 0;
m_apdu_invalid_session = 0;
m_mem_invalid_session = 0;
m_s2z_odr_init = 0;
xfree(m_proxyTarget);
xfree(m_default_target);
xfree(m_proxy_authentication);
+ xfree(m_proxy_negotiation_charset);
+ xfree(m_proxy_negotiation_lang);
xfree(m_optimize);
#if HAVE_XSLT
if (auth)
m_proxy_authentication = (char *) xstrdup (auth);
}
-
+void Yaz_Proxy::set_proxy_negotiation (const char *charset, const char *lang)
+{
+ yaz_log(YLOG_LOG, "%sSet the proxy negotiation: charset to '%s',
+ language to '%s'", m_session_str, (charset)?charset:"none",
+ (lang)?lang:"none");
+ xfree (m_proxy_negotiation_charset);
+ xfree (m_proxy_negotiation_lang);
+ m_proxy_negotiation_charset = m_proxy_negotiation_lang = 0;
+ if (charset)
+ m_proxy_negotiation_charset = (char *) xstrdup (charset);
+ if (lang)
+ m_proxy_negotiation_lang = (char *) xstrdup (lang);
+}
Yaz_ProxyConfig *Yaz_Proxy::check_reconfigure()
{
if (m_parent)
else
new_proxy->set_APDU_yazlog(0);
new_proxy->set_proxy_authentication(m_proxy_authentication);
+ new_proxy->set_proxy_negotiation(m_proxy_negotiation_charset,
+ m_proxy_negotiation_lang);
sprintf(new_proxy->m_session_str, "%ld:%d ", (long) time(0), m_session_no);
m_session_no++;
yaz_log (YLOG_LOG, "%sNew session %s", new_proxy->m_session_str,
return oi->information.characterInfo;
return 0;
}
-
char *Yaz_Proxy::get_proxy(Z_OtherInformation **otherInfo)
{
int oid[OID_SIZE];
return oi->information.characterInfo;
return 0;
}
-
const char *Yaz_Proxy::load_balance(const char **url)
{
int zurl_in_use[MAX_ZURL_PLEX];
int client_idletime = -1;
const char *cql2rpn_fname = 0;
const char *authentication = 0;
+ const char *negotiation_charset = 0;
+ const char *negotiation_lang = 0;
url[0] = m_default_target;
url[1] = 0;
if (cfg)
&m_keepalive_limit_pdu,
&pre_init,
&cql2rpn_fname,
- &authentication);
+ &authentication,
+ &negotiation_charset,
+ &negotiation_lang);
}
if (client_idletime != -1)
{
m_cql2rpn.set_pqf_file(cql2rpn_fname);
if (authentication)
set_proxy_authentication(authentication);
+ if (negotiation_charset || negotiation_lang)
+ set_proxy_negotiation(negotiation_charset,
+ negotiation_lang);
if (!url[0])
{
yaz_log(YLOG_LOG, "%sNo default target", m_session_str);
}
}
}
- else if (!c && apdu->which == Z_APDU_initRequest
- && apdu->u.initRequest->idAuthentication == 0)
+ else if (!c &&
+ apdu->which == Z_APDU_initRequest &&
+ apdu->u.initRequest->idAuthentication == 0 &&
+ !ODR_MASK_GET(apdu->u.initRequest->options, Z_Options_negotiationModel))
{
// anonymous sessions without cookie.
// if authentication is set it is NOT anonymous se we can't share them.
+ // If charset and lang negotiation is use it is NOT anonymous session too.
for (c = parent->m_clientPool; c; c = c->m_next)
{
assert(c->m_prev);
yaz_log (YLOG_DEBUG, "get_client 3 %p %p", this, c);
return c;
}
-
void Yaz_Proxy::display_diagrecs(Z_DiagRec **pp, int num)
{
int i;
void Yaz_Proxy::convert_xsl_delay()
{
- Z_NamePlusRecord *npr = m_stylesheet_nprl->records[m_stylesheet_offset];
#if HAVE_XSLT
+ Z_NamePlusRecord *npr = m_stylesheet_nprl->records[m_stylesheet_offset];
if (npr->which == Z_NamePlusRecord_databaseRecord)
{
Z_External *r = npr->u.databaseRecord;
const char *backend_charset)
{
int i;
-
if (!backend_charset)
backend_charset = "MARC-8";
yaz_iconv_t cd = yaz_iconv_open("UTF-8", backend_charset);
}
else if (apdu->which == Z_APDU_initResponse)
{
+ //Get and check negotiation record
+ //from init response.
+ handle_charset_lang_negotiation(apdu);
+
if (m_initRequest_options)
{
Z_Options *nopt =
m_initRequest_maximumRecordSize :
m_client->m_initResponse_maximumRecordSize);
}
+
int r = send_PDU_convert(apdu);
if (r)
return r;
}
}
}
+void Yaz_Proxy::handle_charset_lang_negotiation(Z_APDU *apdu)
+{
+ if (apdu->which == Z_APDU_initRequest)
+ {
+ if (m_initRequest_options &&
+ !ODR_MASK_GET(m_initRequest_options, Z_Options_negotiationModel) &&
+ (m_proxy_negotiation_charset || m_proxy_negotiation_lang))
+ {
+ // There is not negotiation proposal from
+ // client's side. OK. The proxy negotiation
+ // in use, only.
+ Z_InitRequest *initRequest = apdu->u.initRequest;
+ Z_OtherInformation **otherInfo;
+ Z_OtherInformationUnit *oi;
+ get_otherInfoAPDU(apdu, &otherInfo);
+ oi = update_otherInformation(otherInfo, 1, NULL, 0, 0);
+ if (oi)
+ {
+ ODR_MASK_SET(initRequest->options,
+ Z_Options_negotiationModel);
+ oi->which = Z_OtherInfo_externallyDefinedInfo;
+ oi->information.externallyDefinedInfo =
+ yaz_set_proposal_charneg(odr_encode(),
+ (const char**)&m_proxy_negotiation_charset,
+ m_proxy_negotiation_charset ? 1:0,
+ (const char**)&m_proxy_negotiation_lang,
+ m_proxy_negotiation_lang ? 1:0,
+ 1);
+ }
+ }
+ }
+ else if (apdu->which == Z_APDU_initResponse)
+ {
+ Z_InitResponse *initResponse = apdu->u.initResponse;
+ Z_OtherInformation **otherInfo;
+ Z_OtherInformationUnit *oi;
+
+ if (ODR_MASK_GET(initResponse->options, Z_Options_negotiationModel))
+ {
+ char *charset = 0;
+ char *lang = 0;
+ int selected = 0;
+
+ get_otherInfoAPDU(apdu, &otherInfo);
+
+ if (!otherInfo && !(*otherInfo))
+ return;
+
+ Z_CharSetandLanguageNegotiation *charneg =
+ yaz_get_charneg_record(*otherInfo);
+
+ if (!charneg)
+ return;
+
+ yaz_get_response_charneg(m_referenceId_mem, charneg,
+ &charset, &lang, &selected);
+
+ yaz_log(YLOG_LOG, "%sAccepted charset - '%s' and lang - '%s'",
+ m_session_str, (charset)?charset:"none", (lang)?lang:"none");
+
+ if (m_initRequest_options &&
+ ODR_MASK_GET(m_initRequest_options, Z_Options_negotiationModel))
+ {
+ yaz_log(YLOG_LOG, "%sClient's negotiation record in use",
+ m_session_str);
+ }
+ else if (m_proxy_negotiation_charset || m_proxy_negotiation_lang)
+ {
+ // negotiation-charset, negotiation-lang
+ // elements of config file in use.
+
+ yaz_log(YLOG_LOG, "%sProxy's negotiation record in use",
+ m_session_str);
+ // clear negotiation option.
+ ODR_MASK_CLEAR(initResponse->options, Z_Options_negotiationModel);
+
+ // Delete negotiation (charneg-3) entry.
+ Z_OtherInformation *p = *otherInfo;
+ for (int i=0; i<p->num_elements; i++)
+ {
+ if (p->list[i]->which == Z_OtherInfo_externallyDefinedInfo)
+ {
+ Z_External *pext =
+ p->list[i]->information.externallyDefinedInfo;
+ struct oident *e = oid_getentbyoid(pext->direct_reference);
+
+ if (e && e->value == VAL_CHARNEG3 && e->oclass == CLASS_NEGOT &&
+ pext->which == Z_External_charSetandLanguageNegotiation)
+ {
+ (p->num_elements)--;
+ if(p->num_elements == 0)
+ {
+ *otherInfo = 0;
+ }
+ else
+ {
+ for (int j=i; j<p->num_elements;j++)
+ p->list[j] = p->list[j+1];
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+}
Z_Records *Yaz_Proxy::create_nonSurrogateDiagnostics(ODR odr,
int error,
const char *addinfo)
int Yaz_Proxy::file_access(Z_HTTP_Request *hreq)
{
+ struct stat sbuf;
yaz_log(YLOG_LOG, "file_access");
if (strcmp(hreq->method, "GET"))
return 0;
- struct stat sbuf;
if (hreq->path[0] != '/')
{
- yaz_log(YLOG_WARN, "Path != /");
+ yaz_log(YLOG_WARN, "Bad path: %s", hreq->path);
return 0;
}
const char *cp = hreq->path;
while (*cp)
{
if (*cp == '/' && strchr("/.", cp[1]))
+ {
+ yaz_log(YLOG_WARN, "Bad path: %s", hreq->path);
return 0;
+ }
cp++;
}
const char *fname = hreq->path+1;
if (stat(fname, &sbuf))
{
- yaz_log(YLOG_WARN, "stat %s failed", fname);
+ yaz_log(YLOG_WARN|YLOG_ERRNO, "%s: stat failed", fname);
return 0;
}
if ((sbuf.st_mode & S_IFMT) != S_IFREG)
+ {
+ yaz_log(YLOG_WARN, "%s: not a regular file", fname);
return 0;
+ }
if (sbuf.st_size > (off_t) 1000000)
+ {
+ yaz_log(YLOG_WARN, "%s: too large for transfer", fname);
return 0;
-
+ }
+
ODR o = odr_encode();
Yaz_ProxyConfig *cfg = check_reconfigure();
const char *ctype = cfg->check_mime_type(fname);
return;
}
}
+
m_client->m_server = this;
if (apdu->which == Z_APDU_initRequest)
{
if (m_initRequest_mem)
nmem_destroy(m_initRequest_mem);
+
m_initRequest_apdu = apdu;
m_initRequest_mem = odr_extract_mem(odr_decode());
m_initRequest_maximumRecordSize = *apdu->u.initRequest->
maximumRecordSize;
*apdu->u.initRequest->maximumRecordSize = 1024*1024;
-
+
+ // Save proposal charsets and langs.
+ if (ODR_MASK_GET(apdu->u.initRequest->options,
+ Z_Options_negotiationModel))
+ {
+ Z_CharSetandLanguageNegotiation *charSetandLangRecord =
+ yaz_get_charneg_record(*oi);
+
+ yaz_get_proposal_charneg(m_referenceId_mem,
+ charSetandLangRecord,
+ &m_initRequest_oi_negotiation_charsets,
+ &m_initRequest_oi_negotiation_num_charsets,
+ &m_initRequest_oi_negotiation_langs,
+ &m_initRequest_oi_negotiation_num_langs,
+ &m_initRequest_oi_negotiation_selected);
+
+ for (int i=0; i<m_initRequest_oi_negotiation_num_charsets; i++)
+ {
+ yaz_log(YLOG_LOG, "%scharacters set proposal: %s",
+ m_session_str,(m_initRequest_oi_negotiation_charsets[i])?
+ m_initRequest_oi_negotiation_charsets[i]:"none");
+ }
+ for (int i=0; i<m_initRequest_oi_negotiation_num_langs; i++)
+ {
+ yaz_log(YLOG_LOG, "%slanguages proposal: %s",
+ m_session_str, (m_initRequest_oi_negotiation_langs[i])?
+ m_initRequest_oi_negotiation_langs[i]:"none");
+ }
+ yaz_log(YLOG_LOG, "%sselected proposal: %d (boolean)",
+ m_session_str, m_initRequest_oi_negotiation_selected);
+ }
// save init options for the response..
m_initRequest_options = apdu->u.initRequest->options;
int i;
for (i = 0; i<= 24; i++)
ODR_MASK_SET(apdu->u.initRequest->options, i);
+ // check negotiation option
+ if (!ODR_MASK_GET(m_initRequest_options,
+ Z_Options_negotiationModel))
+ {
+ ODR_MASK_CLEAR(apdu->u.initRequest->options,
+ Z_Options_negotiationModel);
+ }
ODR_MASK_CLEAR(apdu->u.initRequest->options,
- Z_Options_negotiationModel);
- ODR_MASK_CLEAR(apdu->u.initRequest->options,
- Z_Options_concurrentOperations);
-
+ Z_Options_concurrentOperations);
// make new version
m_initRequest_version = apdu->u.initRequest->protocolVersion;
apdu->u.initRequest->protocolVersion =
// though we didn't use it
return;
}
+ // Add otherInformation entry in APDU if
+ // negotiatoin in use.
+ if (apdu)
+ handle_charset_lang_negotiation(apdu);
// delete other info construct completely if 0 elements
get_otherInfoAPDU(apdu, &oi);
- if (*oi && (*oi)->num_elements == 0)
+ if (oi && *oi && (*oi)->num_elements == 0)
*oi = 0;
if (apdu->which == Z_APDU_presentRequest &&
int pre_init;
const char *cql2rpn = 0;
const char *authentication = 0;
+ const char *negotiation_charset = 0;
+ const char *negotiation_lang = 0;
Yaz_ProxyConfig *cfg = check_reconfigure();
&keepalive_limit_pdu,
&pre_init,
&cql2rpn,
- &authentication) ; i++)
+ &authentication,
+ &negotiation_charset,
+ &negotiation_lang) ; i++)
{
if (pre_init)
{
projects / yazproxy-moved-to-github.git / blobdiff