+ strcpy(fpath, DOCDIR);
+ strcat(fpath, hreq->path+4);
+ f = fopen(fpath, "rb");
+ if (f) {
+ struct stat sbuf;
+ if (fstat(fileno(f), &sbuf) || !S_ISREG(sbuf.st_mode))
+ {
+ fclose(f);
+ f = 0;
+ }
+ }
+ if (f)
+ {
+ long sz;
+ fseek(f, 0L, SEEK_END);
+ sz = ftell(f);
+ if (sz >= 0 && sz < 500000)
+ {
+ const char *ctype = "application/octet-stream";
+ const char *cp;
+
+ p = z_get_HTTP_Response(o, 200);
+ hres = p->u.HTTP_Response;
+ hres->content_buf = (char *) odr_malloc(o, sz + 1);
+ hres->content_len = sz;
+ fseek(f, 0L, SEEK_SET);
+ fread(hres->content_buf, 1, sz, f);
+ if ((cp = strrchr(fpath, '.'))) {
+ cp++;
+ if (!strcmp(cp, "png"))
+ ctype = "image/png";
+ else if (!strcmp(cp, "gif"))
+ ctype = "image/gif";
+ else if (!strcmp(cp, "xml"))
+ ctype = "text/xml";
+ else if (!strcmp(cp, "html"))
+ ctype = "text/html";
+ }
+ z_HTTP_header_add(o, &hres->headers, "Content-Type", ctype);
+ }
+ fclose(f);
+ }
+ }
+#endif
+ if (!strcmp(hreq->path, "/"))
+ {
+#ifdef DOCDIR
+ struct stat sbuf;
+#endif
+ const char *doclink = "";
+ p = z_get_HTTP_Response(o, 200);
+ hres = p->u.HTTP_Response;
+ hres->content_buf = (char *) odr_malloc(o, 400);
+#ifdef DOCDIR
+ if (stat(DOCDIR "/yaz.html", &sbuf) == 0 && S_ISREG(sbuf.st_mode))
+ doclink = "<P><A HREF=\"/doc/yaz.html\">Documentation</A></P>";
+#endif
+ sprintf (hres->content_buf,
+ "<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 2.0//EN\">\n"
+ "<HTML>\n"
+ " <HEAD>\n"
+ " <TITLE>YAZ " YAZ_VERSION "</TITLE>\n"
+ " </HEAD>\n"
+ " <BODY>\n"
+ " <P><A HREF=\"http://www.indexdata.dk/yaz/\">YAZ</A> "
+ YAZ_VERSION "</P>\n"
+ "%s"
+ " </BODY>\n"
+ "</HTML>\n", doclink);
+ hres->content_len = strlen(hres->content_buf);
+ z_HTTP_header_add(o, &hres->headers, "Content-Type", "text/html");
+ }
+ if (!p)
+ {
+ p = z_get_HTTP_Response(o, 404);
+ }
+ }
+ else if (!strcmp(hreq->method, "POST"))
+ {
+ const char *content_type = z_HTTP_header_lookup(hreq->headers,
+ "Content-Type");
+ const char *soap_action = z_HTTP_header_lookup(hreq->headers,
+ "SOAPAction");
+ if (content_type && soap_action &&
+ !yaz_strcmp_del("text/xml", content_type, "; "))
+ {
+ Z_SOAP *soap_package = 0;
+ int ret = -1;
+ int http_code = 500;
+
+ static Z_SOAP_Handler soap_handlers[2] = {
+#if HAVE_XML2
+ {"http://www.loc.gov/zing/srw/v1.0/", 0,
+ (Z_SOAP_fun) yaz_srw_codec},
+#endif
+ {0, 0, 0}
+ };
+ ret = z_soap_codec(assoc->decode, &soap_package,
+ &hreq->content_buf, &hreq->content_len,
+ soap_handlers);
+
+#if HAVE_XML2
+ if (!ret && soap_package->which == Z_SOAP_generic &&
+ soap_package->u.generic->no == 0)
+ {
+ /* SRW package */
+ Z_SRW_searchRetrieve *sr = soap_package->u.generic->p;
+
+ if (sr->which == Z_SRW_searchRetrieve_request)
+ {
+ Z_SRW_searchRetrieve *res =
+ yaz_srw_get(assoc->encode,
+ Z_SRW_searchRetrieve_response);
+
+ if (!sr->u.request->database)
+ {
+ const char *p0 = hreq->path, *p1;
+ if (*p0 == '/')
+ p0++;
+ p1 = strchr(p0, '?');
+ if (!p1)
+ p1 = p0 + strlen(p0);
+ if (p1 != p0)
+ {
+ sr->u.request->database =
+ odr_malloc(assoc->decode, p1 - p0 + 1);
+ memcpy (sr->u.request->database, p0, p1 - p0);
+ sr->u.request->database[p1 - p0] = '\0';
+ }
+ else
+ sr->u.request->database = "Default";
+ }
+ srw_bend_search(assoc, req, sr->u.request,
+ res->u.response);
+
+ soap_package->u.generic->p = res;
+ http_code = 200;
+ }
+ }
+#endif
+ p = z_get_HTTP_Response(o, 200);
+ hres = p->u.HTTP_Response;
+ ret = z_soap_codec(assoc->encode, &soap_package,
+ &hres->content_buf, &hres->content_len,
+ soap_handlers);
+ hres->code = http_code;
+ z_HTTP_header_add(o, &hres->headers, "Content-Type", "text/xml");
+ }
+ if (!p) /* still no response ? */
+ p = z_get_HTTP_Response(o, 500);
+ }
+ else
+ {
+ p = z_get_HTTP_Response(o, 405);
+ hres = p->u.HTTP_Response;
+
+ z_HTTP_header_add(o, &hres->headers, "Allow", "GET, POST");
+ }
+ hres = p->u.HTTP_Response;
+ if (!strcmp(hreq->version, "1.0"))
+ {
+ const char *v = z_HTTP_header_lookup(hreq->headers, "Connection");
+ if (v && !strcmp(v, "Keep-Alive"))
+ keepalive = 1;
+ else
+ keepalive = 0;
+ hres->version = "1.0";
+ }
+ else
+ {
+ const char *v = z_HTTP_header_lookup(hreq->headers, "Connection");
+ if (v && !strcmp(v, "close"))
+ keepalive = 0;
+ else
+ keepalive = 1;
+ hres->version = "1.1";
+ }
+ if (!keepalive)
+ {
+ z_HTTP_header_add(o, &hres->headers, "Connection", "close");
+ assoc->state = ASSOC_DEAD;
+ }
+ else
+ {
+ int t;
+ const char *alive = z_HTTP_header_lookup(hreq->headers, "Keep-Alive");
+
+ if (alive && isdigit(*alive))
+ t = atoi(alive);
+ else
+ t = 30;
+ if (t < 0 || t > 3600)
+ t = 3600;
+ iochan_settimeout(assoc->client_chan,t);
+ z_HTTP_header_add(o, &hres->headers, "Connection", "Keep-Alive");
+ }
+ process_gdu_response(assoc, req, p);
+}
+
+static void process_gdu_request(association *assoc, request *req)
+{
+ if (req->gdu_request->which == Z_GDU_Z3950)
+ {
+ char *msg = 0;
+ req->apdu_request = req->gdu_request->u.z3950;
+ if (process_z_request(assoc, req, &msg) < 0)
+ do_close_req(assoc, Z_Close_systemProblem, msg, req);
+ }
+ else if (req->gdu_request->which == Z_GDU_HTTP_Request)
+ process_http_request(assoc, req);
+ else
+ {
+ do_close_req(assoc, Z_Close_systemProblem, "bad protocol packet", req);
+ }
+}
+
+/*
+ * Initiate request processing.
+ */
+static int process_z_request(association *assoc, request *req, char **msg)
+{
+ int fd = -1;
+ Z_APDU *res;
+ int retval;
+
+ *msg = "Unknown Error";
+ assert(req && req->state == REQUEST_IDLE);
+ if (req->apdu_request->which != Z_APDU_initRequest && !assoc->init)