Avoid statement-not-reached warnings
[yaz-moved-to-github.git] / src / srwutil.c
index 18113c0..38ee0d0 100644 (file)
-/*
- * Copyright (C) 1995-2005, Index Data ApS
+/* This file is part of the YAZ toolkit.
+ * Copyright (C) 1995-2013 Index Data
  * See the file LICENSE for details.
- *
- * $Id: srwutil.c,v 1.24 2005-01-16 21:56:24 adam Exp $
  */
 /**
  * \file srwutil.c
  * \brief Implements SRW/SRU utilities.
  */
+#if HAVE_CONFIG_H
+#include <config.h>
+#endif
 
 #include <stdlib.h>
+#include <assert.h>
 #include <yaz/srw.h>
+#include <yaz/matchstr.h>
+#include <yaz/base64.h>
 #include <yaz/yaz-iconv.h>
+#include "sru-p.h"
+
+#define MAX_SRU_PARAMETERS 30
 
-static int hex_digit (int ch)
+static char *yaz_decode_sru_dbpath_odr(ODR n, const char *uri, size_t len)
 {
-    if (ch >= '0' && ch <= '9')
-        return ch - '0';
-    else if (ch >= 'a' && ch <= 'f')
-        return ch - 'a'+10;
-    else if (ch >= 'A' && ch <= 'F')
-        return ch - 'A'+10;
-    return 0;
+    return odr_strdupn(n, uri, len);
 }
 
-int yaz_uri_array(const char *path, ODR o, char ***name, char ***val)
+void yaz_encode_sru_dbpath_buf(char *dst, const char *db)
 {
-    int no = 2;
-    const char *cp;
-    *name = 0;
-    if (*path != '?')
-       return no;
-    path++;
-    cp = path;
-    while ((cp = strchr(cp, '&')))
-    {
-       cp++;
-       no++;
-    }
-    *name = odr_malloc(o, no * sizeof(char**));
-    *val = odr_malloc(o, no * sizeof(char**));
+    assert(db);
+    *dst = '/';
+    strcpy(dst+1, db);
+}
 
-    for (no = 0; *path; no++)
-    {
-        const char *p1 = strchr(path, '=');
-       size_t i = 0;
-       char *ret;
-        if (!p1)
-            break;
+char *yaz_encode_sru_dbpath_odr(ODR out, const char *db)
+{
+    char *dst = odr_malloc(out, 3 * strlen(db) + 2);
+    yaz_encode_sru_dbpath_buf(dst, db);
+    return dst;
+}
 
-       (*name)[no] = odr_malloc(o, (p1-path)+1);
-       memcpy((*name)[no], path, p1-path);
-       (*name)[no][p1-path] = '\0';
-
-       path = p1 + 1;
-       p1 = strchr(path, '&');
-       if (!p1)
-           p1 = strlen(path) + path;
-       (*val)[no] = ret = odr_malloc(o, p1 - path + 1);
-       while (*path && *path != '&')
-       {
-           if (*path == '+')
-           {
-               ret[i++] = ' ';
-               path++;
-           }
-           else if (*path == '%' && path[1] && path[2])
-           {
-               ret[i++] = hex_digit (path[1])*16 + hex_digit (path[2]);
-               path = path + 3;
-           }
-           else
-               ret[i++] = *path++;
-       }
-       ret[i] = '\0';
-
-       if (*path)
-           path++;
-    }
-    (*name)[no] = 0;
-    (*val)[no] = 0;
-    return no;
+Z_AttributeList *yaz_use_attribute_create(ODR o, const char *name)
+{
+    Z_AttributeList *attributes= (Z_AttributeList *)
+        odr_malloc(o, sizeof(*attributes));
+    Z_AttributeElement ** elements;
+    attributes->num_attributes = 1;
+    elements = (Z_AttributeElement**)
+        odr_malloc(o, attributes->num_attributes * sizeof(*elements));
+    elements[0] = (Z_AttributeElement*) odr_malloc(o,sizeof(**elements));
+    elements[0]->attributeType = odr_intdup(o, 1);
+    elements[0]->attributeSet = odr_nullval();
+    elements[0]->which = Z_AttributeValue_complex;
+    elements[0]->value.complex = (Z_ComplexAttribute *)
+        odr_malloc(o, sizeof(Z_ComplexAttribute));
+    elements[0]->value.complex->num_list = 1;
+    elements[0]->value.complex->list = (Z_StringOrNumeric **)
+        odr_malloc(o, 1 * sizeof(Z_StringOrNumeric *));
+    elements[0]->value.complex->list[0] = (Z_StringOrNumeric *)
+        odr_malloc(o, sizeof(Z_StringOrNumeric));
+    elements[0]->value.complex->list[0]->which = Z_StringOrNumeric_string;
+    elements[0]->value.complex->list[0]->u.string = odr_strdup(o, name);
+    elements[0]->value.complex->semanticAction = 0;
+    elements[0]->value.complex->num_semanticAction = 0;
+    attributes->attributes = elements;
+    return attributes;
 }
 
-char *yaz_uri_val(const char *path, const char *name, ODR o)
+#if YAZ_HAVE_XML2
+const char *yaz_element_attribute_value_get(xmlNodePtr ptr,
+                                            const char *node_name,
+                                            const char *attribute_name)
 {
-    size_t nlen = strlen(name);
-    if (*path != '?')
+    struct _xmlAttr *attr;
+    // check if the node name matches
+    if (strcmp((const char*) ptr->name, node_name))
         return 0;
-    path++;
-    while (path && *path)
-    {
-        const char *p1 = strchr(path, '=');
-        if (!p1)
-            break;
-        if ((size_t)(p1 - path) == nlen && !memcmp(path, name, nlen))
+    // check if the attribute name and return the value
+    for (attr = ptr->properties; attr; attr = attr->next)
+        if (attr->children && attr->children->type == XML_TEXT_NODE)
         {
-            size_t i = 0;
-            char *ret;
-            
-            path = p1 + 1;
-            p1 = strchr(path, '&');
-            if (!p1)
-                p1 = strlen(path) + path;
-            ret = (char *) odr_malloc(o, p1 - path + 1);
-            while (*path && *path != '&')
-            {
-                if (*path == '+')
-                {
-                    ret[i++] = ' ';
-                    path++;
-                }
-                else if (*path == '%' && path[1] && path[2])
-                {
-                    ret[i++] = hex_digit (path[1])*16 + hex_digit (path[2]);
-                    path = path + 3;
-                }
-                else
-                    ret[i++] = *path++;
-            }
-            ret[i] = '\0';
-            return ret;
+            if (!strcmp((const char *) attr->name, attribute_name))
+                return (const char *) attr->children->content;
         }
-        path = strchr(p1, '&');
-        if (path)
-            path++;
+    return 0;
+}
+#endif
+
+int yaz_srw_check_content_type(Z_HTTP_Response *hres)
+{
+    const char *content_type = z_HTTP_header_lookup(hres->headers,
+                                                    "Content-Type");
+    if (content_type)
+    {
+        if (!yaz_strcmp_del("text/xml", content_type, "; "))
+            return 1;
+        if (!yaz_strcmp_del("application/xml", content_type, "; "))
+            return 1;
     }
     return 0;
 }
 
-void yaz_uri_val_int(const char *path, const char *name, ODR o, int **intp)
+/**
+ * Look for authentication tokens in HTTP Basic parameters or in x-username/x-password
+ * parameters. Added by SH.
+ */
+static void yaz_srw_decodeauth(Z_SRW_PDU *sr, Z_HTTP_Request *hreq,
+                               char *username, char *password, ODR decode)
+{
+    const char *basic = z_HTTP_header_lookup(hreq->headers, "Authorization");
+
+    if (username)
+        sr->username = username;
+    if (password)
+        sr->password = password;
+
+    if (basic)
+    {
+        int len;
+        char out[256];
+        char ubuf[256] = "", pbuf[256] = "", *p;
+        if (strncmp(basic, "Basic ", 6))
+            return;
+        basic += 6;
+        len = strlen(basic);
+        if (!len || len > 256)
+            return;
+        yaz_base64decode(basic, out);
+        /* Format of out should be username:password at this point */
+        strcpy(ubuf, out);
+        if ((p = strchr(ubuf, ':')))
+        {
+            *(p++) = '\0';
+            if (*p)
+                strcpy(pbuf, p);
+        }
+        if (*ubuf)
+            sr->username = odr_strdup(decode, ubuf);
+        if (*pbuf)
+            sr->password = odr_strdup(decode, pbuf);
+    }
+}
+
+void yaz_uri_val_int(const char *path, const char *name, ODR o, Odr_int **intp)
 {
     const char *v = yaz_uri_val(path, name, o);
     if (v)
         *intp = odr_intdup(o, atoi(v));
 }
 
-void yaz_mk_std_diagnostic(ODR o, Z_SRW_diagnostic *d, 
-                          int code, const char *details)
+void yaz_mk_srw_diagnostic(ODR o, Z_SRW_diagnostic *d,
+                           const char *uri, const char *message,
+                           const char *details)
 {
-    d->uri = (char *) odr_malloc(o, 50);
-    sprintf(d->uri, "info:srw/diagnostic/1/%d", code);
-    d->message = 0;
+    d->uri = odr_strdup(o, uri);
+    if (message)
+        d->message = odr_strdup(o, message);
+    else
+        d->message = 0;
     if (details)
-       d->details = odr_strdup(o, details);
+        d->details = odr_strdup(o, details);
     else
-       d->details = 0;
+        d->details = 0;
 }
 
-void yaz_add_srw_diagnostic(ODR o, Z_SRW_diagnostic **d,
-                           int *num, int code, const char *addinfo)
+void yaz_mk_std_diagnostic(ODR o, Z_SRW_diagnostic *d,
+                           int code, const char *details)
+{
+    char uri[40];
+
+    sprintf(uri, "info:srw/diagnostic/1/%d", code);
+    yaz_mk_srw_diagnostic(o, d, uri, 0, details);
+}
+
+void yaz_add_srw_diagnostic_uri(ODR o, Z_SRW_diagnostic **d,
+                                int *num, const char *uri,
+                                const char *message, const char *details)
 {
     Z_SRW_diagnostic *d_new;
-    d_new = (Z_SRW_diagnostic *) odr_malloc (o, (*num + 1)* sizeof(**d));
+    d_new = (Z_SRW_diagnostic *) odr_malloc(o, (*num + 1)* sizeof(**d));
     if (*num)
-       memcpy (d_new, *d, *num *sizeof(**d));
+        memcpy(d_new, *d, *num *sizeof(**d));
     *d = d_new;
 
-    yaz_mk_std_diagnostic(o, *d + *num, code, addinfo);
+    yaz_mk_srw_diagnostic(o, *d + *num, uri, message, details);
     (*num)++;
 }
 
+void yaz_add_srw_diagnostic(ODR o, Z_SRW_diagnostic **d,
+                            int *num, int code, const char *addinfo)
+{
+    char uri[40];
+
+    sprintf(uri, "info:srw/diagnostic/1/%d", code);
+    yaz_add_srw_diagnostic_uri(o, d, num, uri, 0, addinfo);
+}
+
+
+void yaz_add_sru_update_diagnostic(ODR o, Z_SRW_diagnostic **d,
+                                   int *num, int code, const char *addinfo)
+{
+    char uri[40];
+
+    sprintf(uri, "info:srw/diagnostic/12/%d", code);
+    yaz_add_srw_diagnostic_uri(o, d, num, uri, 0, addinfo);
+}
+
+
+void yaz_mk_sru_surrogate(ODR o, Z_SRW_record *record, int pos,
+                          int code, const char *details)
+{
+    const char *message = yaz_diag_srw_str(code);
+    int len = 200;
+    if (message)
+        len += strlen(message);
+    if (details)
+        len += strlen(details);
+
+    record->recordData_buf = (char *) odr_malloc(o, len);
+
+    sprintf(record->recordData_buf, "<diagnostic "
+            "xmlns=\"http://www.loc.gov/zing/srw/diagnostic/\">\n"
+            " <uri>info:srw/diagnostic/1/%d</uri>\n", code);
+    if (details)
+        sprintf(record->recordData_buf + strlen(record->recordData_buf),
+                " <details>%s</details>\n", details);
+    if (message)
+        sprintf(record->recordData_buf + strlen(record->recordData_buf),
+                " <message>%s</message>\n", message);
+    sprintf(record->recordData_buf + strlen(record->recordData_buf),
+            "</diagnostic>\n");
+    record->recordData_len = strlen(record->recordData_buf);
+    record->recordPosition = odr_intdup(o, pos);
+    record->recordSchema = "info:srw/schema/1/diagnostics-v1.1";
+}
+
+static void grab_charset(ODR o, const char *content_type, char **charset)
+{
+    if (charset)
+    {
+        const char *charset_p = 0;
+        if (content_type && (charset_p = strstr(content_type, "; charset=")))
+        {
+            int i = 0;
+            charset_p += 10;
+            while (i < 20 && charset_p[i] &&
+                   !strchr("; \n\r", charset_p[i]))
+                i++;
+            *charset = (char*) odr_malloc(o, i+1);
+            memcpy(*charset, charset_p, i);
+            (*charset)[i] = '\0';
+        }
+    }
+}
+
 int yaz_srw_decode(Z_HTTP_Request *hreq, Z_SRW_PDU **srw_pdu,
-                  Z_SOAP **soap_package, ODR decode, char **charset)
+                   Z_SOAP **soap_package, ODR decode, char **charset)
 {
     if (!strcmp(hreq->method, "POST"))
     {
-       const char *content_type = z_HTTP_header_lookup(hreq->headers,
-                                                       "Content-Type");
-       if (content_type && !yaz_strcmp_del("text/xml", content_type, "; "))
-       {
-           char *db = "Default";
-           const char *p0 = hreq->path, *p1;
+        const char *content_type = z_HTTP_header_lookup(hreq->headers,
+                                                        "Content-Type");
+        if (content_type &&
+            (!yaz_strcmp_del("text/xml", content_type, "; ") ||
+             !yaz_strcmp_del("application/soap+xml", content_type, "; ") ||
+             !yaz_strcmp_del("text/plain", content_type, "; ")))
+        {
+            char *db = "Default";
+            const char *p0 = hreq->path, *p1;
             int ret = -1;
-            const char *charset_p = 0;
-           
-            static Z_SOAP_Handler soap_handlers[3] = {
-#if HAVE_XML2
-                {"http://www.loc.gov/zing/srw/", 0,
-                 (Z_SOAP_fun) yaz_srw_codec},
-                {"http://www.loc.gov/zing/srw/v1.0/", 0,
-                 (Z_SOAP_fun) yaz_srw_codec},
+
+            static Z_SOAP_Handler soap_handlers[4] = {
+#if YAZ_HAVE_XML2
+                { YAZ_XMLNS_SRU_v1_1, 0, (Z_SOAP_fun) yaz_srw_codec },
+                { YAZ_XMLNS_SRU_v1_0, 0, (Z_SOAP_fun) yaz_srw_codec },
+                { YAZ_XMLNS_UPDATE_v0_9, 0, (Z_SOAP_fun) yaz_ucp_codec },
 #endif
                 {0, 0, 0}
             };
-           
-           if (*p0 == '/')
-               p0++;
-           p1 = strchr(p0, '?');
-           if (!p1)
-               p1 = p0 + strlen(p0);
-           if (p1 != p0)
-           {
-               db = (char*) odr_malloc(decode, p1 - p0 + 1);
-               memcpy (db, p0, p1 - p0);
-               db[p1 - p0] = '\0';
-           }
-
-            if (charset && (charset_p = strstr(content_type, "; charset=")))
-            {
-                int i = 0;
-                charset_p += 10;
-                while (i < 20 && charset_p[i] &&
-                       !strchr("; \n\r", charset_p[i]))
-                    i++;
-                *charset = (char*) odr_malloc(decode, i+1);
-                memcpy(*charset, charset_p, i);
-                (*charset)[i] = '\0';
-            }
-            ret = z_soap_codec(decode, soap_package, 
+
+            if (*p0 == '/')
+                p0++;
+            p1 = strchr(p0, '?');
+            if (!p1)
+                p1 = p0 + strlen(p0);
+            if (p1 != p0)
+                db = yaz_decode_sru_dbpath_odr(decode, p0, p1 - p0);
+            grab_charset(decode, content_type, charset);
+
+            ret = z_soap_codec(decode, soap_package,
                                &hreq->content_buf, &hreq->content_len,
                                soap_handlers);
-           if (ret == 0 && (*soap_package)->which == Z_SOAP_generic)
-           {
-               *srw_pdu = (Z_SRW_PDU*) (*soap_package)->u.generic->p;
-               
-               if ((*srw_pdu)->which == Z_SRW_searchRetrieve_request &&
-                   (*srw_pdu)->u.request->database == 0)
-                   (*srw_pdu)->u.request->database = db;
-
-               if ((*srw_pdu)->which == Z_SRW_explain_request &&
-                   (*srw_pdu)->u.explain_request->database == 0)
-                   (*srw_pdu)->u.explain_request->database = db;
-
-               if ((*srw_pdu)->which == Z_SRW_scan_request &&
-                   (*srw_pdu)->u.scan_request->database == 0)
-                   (*srw_pdu)->u.scan_request->database = db;
-
-               return 0;
-           }
-           return 1;
-       }
+            if (ret == 0 && (*soap_package)->which == Z_SOAP_generic)
+            {
+                *srw_pdu = (Z_SRW_PDU*) (*soap_package)->u.generic->p;
+                yaz_srw_decodeauth(*srw_pdu, hreq, 0, 0, decode);
+
+                if ((*srw_pdu)->which == Z_SRW_searchRetrieve_request &&
+                    (*srw_pdu)->u.request->database == 0)
+                    (*srw_pdu)->u.request->database = db;
+
+                if ((*srw_pdu)->which == Z_SRW_explain_request &&
+                    (*srw_pdu)->u.explain_request->database == 0)
+                    (*srw_pdu)->u.explain_request->database = db;
+
+                if ((*srw_pdu)->which == Z_SRW_scan_request &&
+                    (*srw_pdu)->u.scan_request->database == 0)
+                    (*srw_pdu)->u.scan_request->database = db;
+
+                if ((*srw_pdu)->which == Z_SRW_update_request &&
+                    (*srw_pdu)->u.update_request->database == 0)
+                    (*srw_pdu)->u.update_request->database = db;
+
+                return 0;
+            }
+            return 1;
+        }
     }
     return 2;
 }
 
+#if YAZ_HAVE_XML2
+static int yaz_sru_decode_integer(ODR odr, const char *pname,
+                                  const char *valstr, Odr_int **valp,
+                                  Z_SRW_diagnostic **diag, int *num_diag,
+                                  int min_value)
+{
+    int ival;
+    if (!valstr)
+        return 0;
+    if (sscanf(valstr, "%d", &ival) != 1)
+    {
+        yaz_add_srw_diagnostic(odr, diag, num_diag,
+                               YAZ_SRW_UNSUPP_PARAMETER_VALUE, pname);
+        return 0;
+    }
+    if (min_value >= 0 && ival < min_value)
+    {
+        yaz_add_srw_diagnostic(odr, diag, num_diag,
+                               YAZ_SRW_UNSUPP_PARAMETER_VALUE, pname);
+        return 0;
+    }
+    *valp = odr_intdup(odr, ival);
+    return 1;
+}
+#endif
+
 /**
-  http://www.loc.gov/z3950/agency/zing/srw/service.html
-*/ 
+   http://www.loc.gov/z3950/agency/zing/srw/service.html
+*/
 int yaz_sru_decode(Z_HTTP_Request *hreq, Z_SRW_PDU **srw_pdu,
-                  Z_SOAP **soap_package, ODR decode, char **charset,
-                  Z_SRW_diagnostic **diag, int *num_diag)
+                   Z_SOAP **soap_package, ODR decode, char **charset,
+                   Z_SRW_diagnostic **diag, int *num_diag)
 {
-#if HAVE_XML2
+#if YAZ_HAVE_XML2
     static Z_SOAP_Handler soap_handlers[2] = {
-       {"http://www.loc.gov/zing/srw/", 0,
-        (Z_SOAP_fun) yaz_srw_codec},
-       {0, 0, 0}
+        {YAZ_XMLNS_SRU_v1_1, 0, (Z_SOAP_fun) yaz_srw_codec},
+        {0, 0, 0}
     };
 #endif
-    if (!strcmp(hreq->method, "GET"))
+    const char *content_type = z_HTTP_header_lookup(hreq->headers,
+                                                    "Content-Type");
+
+    /*
+      SRU GET: ignore content type.
+      SRU POST: we support "application/x-www-form-urlencoded";
+      not  "multipart/form-data" .
+    */
+    if (!strcmp(hreq->method, "GET")
+        ||
+        (!strcmp(hreq->method, "POST") && content_type &&
+         !yaz_strcmp_del("application/x-www-form-urlencoded",
+                         content_type, "; ")))
     {
         char *db = "Default";
         const char *p0 = hreq->path, *p1;
-       const char *operation = 0;
-       char *version = 0;
-       char *query = 0;
-       char *pQuery = 0;
-       char *sortKeys = 0;
-       char *stylesheet = 0;
-       char *scanClause = 0;
-       char *pScanClause = 0;
-       char *recordXPath = 0;
-       char *recordSchema = 0;
-       char *recordPacking = "xml";  /* xml packing is default for SRU */
-       char *maximumRecords = 0;
-       char *startRecord = 0;
-       char *maximumTerms = 0;
-       char *responsePosition = 0;
-       char *extraRequestData = 0;
-       char **uri_name;
-       char **uri_val;
-
-       if (charset)
-           *charset = 0;
+#if YAZ_HAVE_XML2
+        const char *operation = 0;
+        char *version = 0;
+        char *query = 0;
+        char *pQuery = 0;
+        char *username = 0;
+        char *password = 0;
+        char *sortKeys = 0;
+        char *stylesheet = 0;
+        char *scanClause = 0;
+        char *pScanClause = 0;
+        char *recordXPath = 0;
+        char *recordSchema = 0;
+        char *recordPacking = "xml";  /* xml packing is default for SRU */
+        char *maximumRecords = 0;
+        char *startRecord = 0;
+        char *maximumTerms = 0;
+        char *responsePosition = 0;
+        Z_SRW_extra_arg *extra_args = 0;
+#endif
+        char **uri_name;
+        char **uri_val;
+
+        grab_charset(decode, content_type, charset);
+        if (charset && *charset == 0 && !strcmp(hreq->method, "GET"))
+            *charset = "UTF-8";
+
         if (*p0 == '/')
             p0++;
         p1 = strchr(p0, '?');
         if (!p1)
             p1 = p0 + strlen(p0);
         if (p1 != p0)
+            db = yaz_decode_sru_dbpath_odr(decode, p0, p1 - p0);
+        if (!strcmp(hreq->method, "POST"))
+            p1 = hreq->content_buf;
+        yaz_uri_to_array(p1, decode, &uri_name, &uri_val);
+#if YAZ_HAVE_XML2
+        if (uri_name)
+        {
+            int i;
+            for (i = 0; uri_name[i]; i++)
+            {
+                char *n = uri_name[i];
+                char *v = uri_val[i];
+                if (!strcmp(n, "query"))
+                    query = v;
+                else if (!strcmp(n, "x-pquery"))
+                    pQuery = v;
+                else if (!strcmp(n, "x-username"))
+                    username = v;
+                else if (!strcmp(n, "x-password"))
+                    password = v;
+                else if (!strcmp(n, "operation"))
+                    operation = v;
+                else if (!strcmp(n, "stylesheet"))
+                    stylesheet = v;
+                else if (!strcmp(n, "sortKeys"))
+                    sortKeys = v;
+                else if (!strcmp(n, "recordXPath"))
+                    recordXPath = v;
+                else if (!strcmp(n, "recordSchema"))
+                    recordSchema = v;
+                else if (!strcmp(n, "recordPacking"))
+                    recordPacking = v;
+                else if (!strcmp(n, "version"))
+                    version = v;
+                else if (!strcmp(n, "scanClause"))
+                    scanClause = v;
+                else if (!strcmp(n, "x-pScanClause"))
+                    pScanClause = v;
+                else if (!strcmp(n, "maximumRecords"))
+                    maximumRecords = v;
+                else if (!strcmp(n, "startRecord"))
+                    startRecord = v;
+                else if (!strcmp(n, "maximumTerms"))
+                    maximumTerms = v;
+                else if (!strcmp(n, "responsePosition"))
+                    responsePosition = v;
+                else if (!strcmp(n, "extraRequestData"))
+                    ; /* ignoring extraRequestData */
+                else if (n[0] == 'x' && n[1] == '-')
+                {
+                    Z_SRW_extra_arg **l = &extra_args;
+                    while (*l)
+                        l = &(*l)->next;
+                    *l = (Z_SRW_extra_arg *) odr_malloc(decode, sizeof(**l));
+                    (*l)->name = odr_strdup(decode, n);
+                    (*l)->value = odr_strdup(decode, v);
+                    (*l)->next = 0;
+                }
+                else
+                {
+                    if (*num_diag < 10)
+                        yaz_add_srw_diagnostic(decode, diag, num_diag,
+                                               YAZ_SRW_UNSUPP_PARAMETER, n);
+                }
+            }
+        }
+        if (!version)
+        {
+            if (uri_name)
+                yaz_add_srw_diagnostic(
+                    decode, diag, num_diag,
+                    YAZ_SRW_MANDATORY_PARAMETER_NOT_SUPPLIED, "version");
+            version = "1.1";
+        }
+
+        version = yaz_negotiate_sru_version(version);
+
+        if (!version)
+        {   /* negotiation failed. */
+            yaz_add_srw_diagnostic(decode, diag, num_diag,
+                                   YAZ_SRW_UNSUPP_VERSION, "1.2");
+            version = "1.2";
+        }
+
+        if (!operation)
         {
-            db = (char*) odr_malloc(decode, p1 - p0 + 1);
-            memcpy (db, p0, p1 - p0);
-            db[p1 - p0] = '\0';
+            if (uri_name)
+                yaz_add_srw_diagnostic(
+                    decode, diag, num_diag,
+                    YAZ_SRW_MANDATORY_PARAMETER_NOT_SUPPLIED, "operation");
+            operation = "explain";
         }
-       yaz_uri_array(p1, decode, &uri_name, &uri_val);
-#if HAVE_XML2
-       if (uri_name)
-       {
-           int i;
-           for (i = 0; uri_name[i]; i++)
-           {
-               char *n = uri_name[i];
-               char *v = uri_val[i];
-               if (!strcmp(n, "query"))
-                   query = v;
-               else if (!strcmp(n, "x-pquery"))
-                   pQuery = v;
-               else if (!strcmp(n, "operation"))
-                   operation = v;
-               else if (!strcmp(n, "stylesheet"))
-                   stylesheet = v;
-               else if (!strcmp(n, "sortKeys"))
-                   sortKeys = v;
-               else if (!strcmp(n, "recordXPath"))
-                   recordXPath = v;
-               else if (!strcmp(n, "recordSchema"))
-                   recordSchema = v;
-               else if (!strcmp(n, "recordPacking"))
-                   recordPacking = v;
-               else if (!strcmp(n, "version"))
-                   version = v;
-               else if (!strcmp(n, "scanClause"))
-                   scanClause = v;
-               else if (!strcmp(n, "x-pScanClause"))
-                   pScanClause = v;
-               else if (!strcmp(n, "maximumRecords"))
-                   maximumRecords = v;
-               else if (!strcmp(n, "startRecord"))
-                   startRecord = v;
-               else if (!strcmp(n, "maximumTerms"))
-                   maximumTerms = v;
-               else if (!strcmp(n, "responsePosition"))
-                   responsePosition = v;
-               else if (!strcmp(n, "extraRequestData"))
-                   extraRequestData = v;
-               else
-                   yaz_add_srw_diagnostic(decode, diag, num_diag, 8, n);
-           }
-       }
-       if (!version)
-       {
-           if (uri_name)
-               yaz_add_srw_diagnostic(decode, diag, num_diag, 7, "version");
-           version = "1.1";
-       }
-       if (strcmp(version, "1.1"))
-           yaz_add_srw_diagnostic(decode, diag, num_diag, 5, "1.1");
-       if (!operation)
-       {
-           if (uri_name)
-               yaz_add_srw_diagnostic(decode, diag, num_diag, 7, "operation");
-           operation = "explain";
-       }
         if (!strcmp(operation, "searchRetrieve"))
         {
             Z_SRW_PDU *sr = yaz_srw_get(decode, Z_SRW_searchRetrieve_request);
 
-           sr->srw_version = version;
-           *srw_pdu = sr;
+            sr->srw_version = version;
+            sr->extra_args = extra_args;
+            *srw_pdu = sr;
+            yaz_srw_decodeauth(sr, hreq, username, password, decode);
             if (query)
             {
                 sr->u.request->query_type = Z_SRW_query_type_cql;
@@ -360,8 +517,10 @@ int yaz_sru_decode(Z_HTTP_Request *hreq, Z_SRW_PDU **srw_pdu,
                 sr->u.request->query_type = Z_SRW_query_type_pqf;
                 sr->u.request->query.pqf = pQuery;
             }
-           else
-               yaz_add_srw_diagnostic(decode, diag, num_diag, 7, "query");
+            else
+                yaz_add_srw_diagnostic(
+                    decode, diag, num_diag,
+                    YAZ_SRW_MANDATORY_PARAMETER_NOT_SUPPLIED, "query");
 
             if (sortKeys)
             {
@@ -373,143 +532,212 @@ int yaz_sru_decode(Z_HTTP_Request *hreq, Z_SRW_PDU **srw_pdu,
             sr->u.request->recordPacking = recordPacking;
             sr->u.request->stylesheet = stylesheet;
 
-           if (maximumRecords)
-               sr->u.request->maximumRecords =
-                   odr_intdup(decode, atoi(maximumRecords));
-           if (startRecord)
-               sr->u.request->startRecord =
-                   odr_intdup(decode, atoi(startRecord));
+            yaz_sru_decode_integer(decode, "maximumRecords", maximumRecords,
+                                   &sr->u.request->maximumRecords,
+                                   diag, num_diag, 0);
+
+            yaz_sru_decode_integer(decode, "startRecord", startRecord,
+                                   &sr->u.request->startRecord,
+                                   diag, num_diag, 1);
 
             sr->u.request->database = db;
 
-           (*soap_package) = odr_malloc(decode, sizeof(**soap_package));
-           (*soap_package)->which = Z_SOAP_generic;
-           
-           (*soap_package)->u.generic =
-               odr_malloc(decode, sizeof(*(*soap_package)->u.generic));
-           
-           (*soap_package)->u.generic->p = sr;
-           (*soap_package)->u.generic->ns = soap_handlers[0].ns;
-           (*soap_package)->u.generic->no = 0;
-           
-           (*soap_package)->ns = "SRU";
-
-           return 0;
+            (*soap_package) = (Z_SOAP *)
+                odr_malloc(decode, sizeof(**soap_package));
+            (*soap_package)->which = Z_SOAP_generic;
+
+            (*soap_package)->u.generic = (Z_SOAP_Generic *)
+                odr_malloc(decode, sizeof(*(*soap_package)->u.generic));
+
+            (*soap_package)->u.generic->p = sr;
+            (*soap_package)->u.generic->ns = soap_handlers[0].ns;
+            (*soap_package)->u.generic->no = 0;
+
+            (*soap_package)->ns = "SRU";
+
+            return 0;
         }
-       else if (!strcmp(operation, "explain"))
-       {
-           /* Transfer SRU explain parameters to common struct */
-           /* http://www.loc.gov/z3950/agency/zing/srw/explain.html */
+        else if (!strcmp(operation, "explain"))
+        {
+            /* Transfer SRU explain parameters to common struct */
+            /* http://www.loc.gov/z3950/agency/zing/srw/explain.html */
             Z_SRW_PDU *sr = yaz_srw_get(decode, Z_SRW_explain_request);
 
-           sr->srw_version = version;
-           *srw_pdu = sr;
+            sr->srw_version = version;
+            sr->extra_args = extra_args;
+            yaz_srw_decodeauth(sr, hreq, username, password, decode);
+            *srw_pdu = sr;
             sr->u.explain_request->recordPacking = recordPacking;
-           sr->u.explain_request->database = db;
+            sr->u.explain_request->database = db;
 
             sr->u.explain_request->stylesheet = stylesheet;
 
-           (*soap_package) = odr_malloc(decode, sizeof(**soap_package));
-           (*soap_package)->which = Z_SOAP_generic;
-           
-           (*soap_package)->u.generic =
-               odr_malloc(decode, sizeof(*(*soap_package)->u.generic));
-           
-           (*soap_package)->u.generic->p = sr;
-           (*soap_package)->u.generic->ns = soap_handlers[0].ns;
-           (*soap_package)->u.generic->no = 0;
-           
-           (*soap_package)->ns = "SRU";
-
-           return 0;
-       }
-       else if (!strcmp(operation, "scan"))
-       {
-           /* Transfer SRU scan parameters to common struct */
-           /* http://www.loc.gov/z3950/agency/zing/srw/scan.html */
+            (*soap_package) = (Z_SOAP *)
+                odr_malloc(decode, sizeof(**soap_package));
+            (*soap_package)->which = Z_SOAP_generic;
+
+            (*soap_package)->u.generic = (Z_SOAP_Generic *)
+                odr_malloc(decode, sizeof(*(*soap_package)->u.generic));
+
+            (*soap_package)->u.generic->p = sr;
+            (*soap_package)->u.generic->ns = soap_handlers[0].ns;
+            (*soap_package)->u.generic->no = 0;
+
+            (*soap_package)->ns = "SRU";
+
+            return 0;
+        }
+        else if (!strcmp(operation, "scan"))
+        {
+            /* Transfer SRU scan parameters to common struct */
+            /* http://www.loc.gov/z3950/agency/zing/srw/scan.html */
             Z_SRW_PDU *sr = yaz_srw_get(decode, Z_SRW_scan_request);
 
-           sr->srw_version = version;
-           *srw_pdu = sr;
+            sr->srw_version = version;
+            sr->extra_args = extra_args;
+            *srw_pdu = sr;
+            yaz_srw_decodeauth(sr, hreq, username, password, decode);
 
             if (scanClause)
             {
                 sr->u.scan_request->query_type = Z_SRW_query_type_cql;
-               sr->u.scan_request->scanClause.cql = scanClause;
+                sr->u.scan_request->scanClause.cql = scanClause;
             }
             else if (pScanClause)
             {
                 sr->u.scan_request->query_type = Z_SRW_query_type_pqf;
                 sr->u.scan_request->scanClause.pqf = pScanClause;
             }
-           else
-               yaz_add_srw_diagnostic(decode, diag, num_diag, 7,
-                                      "scanClause");
-           sr->u.scan_request->database = db;
-
-           if (maximumTerms)
-               sr->u.scan_request->maximumTerms =
-                   odr_intdup(decode, atoi(maximumTerms));
-           if (responsePosition)
-               sr->u.scan_request->responsePosition =
-                   odr_intdup(decode, atoi(responsePosition));
+            else
+                yaz_add_srw_diagnostic(
+                    decode, diag, num_diag,
+                    YAZ_SRW_MANDATORY_PARAMETER_NOT_SUPPLIED, "scanClause");
+            sr->u.scan_request->database = db;
+
+            yaz_sru_decode_integer(decode, "maximumTerms",
+                                   maximumTerms,
+                                   &sr->u.scan_request->maximumTerms,
+                                   diag, num_diag, 0);
+
+            yaz_sru_decode_integer(decode, "responsePosition",
+                                   responsePosition,
+                                   &sr->u.scan_request->responsePosition,
+                                   diag, num_diag, 0);
 
             sr->u.scan_request->stylesheet = stylesheet;
 
-           (*soap_package) = odr_malloc(decode, sizeof(**soap_package));
-           (*soap_package)->which = Z_SOAP_generic;
-           
-           (*soap_package)->u.generic =
-               odr_malloc(decode, sizeof(*(*soap_package)->u.generic));
-           
-           (*soap_package)->u.generic->p = sr;
-           (*soap_package)->u.generic->ns = soap_handlers[0].ns;
-           (*soap_package)->u.generic->no = 0;
-           
-           (*soap_package)->ns = "SRU";
-
-           return 0;
-       }
-       else
-       {
-           /* unsupported operation ... */
-           /* Act as if we received a explain request and throw diagnostic. */
+            (*soap_package) = (Z_SOAP *)
+                odr_malloc(decode, sizeof(**soap_package));
+            (*soap_package)->which = Z_SOAP_generic;
+
+            (*soap_package)->u.generic = (Z_SOAP_Generic *)
+                odr_malloc(decode, sizeof(*(*soap_package)->u.generic));
+
+            (*soap_package)->u.generic->p = sr;
+            (*soap_package)->u.generic->ns = soap_handlers[0].ns;
+            (*soap_package)->u.generic->no = 0;
+
+            (*soap_package)->ns = "SRU";
+
+            return 0;
+        }
+        else
+        {
+            /* unsupported operation ... */
+            /* Act as if we received a explain request and throw diagnostic. */
 
             Z_SRW_PDU *sr = yaz_srw_get(decode, Z_SRW_explain_request);
 
-           sr->srw_version = version;
-           *srw_pdu = sr;
+            sr->srw_version = version;
+            *srw_pdu = sr;
             sr->u.explain_request->recordPacking = recordPacking;
-           sr->u.explain_request->database = db;
+            sr->u.explain_request->database = db;
 
             sr->u.explain_request->stylesheet = stylesheet;
 
-           (*soap_package) = odr_malloc(decode, sizeof(**soap_package));
-           (*soap_package)->which = Z_SOAP_generic;
-           
-           (*soap_package)->u.generic =
-               odr_malloc(decode, sizeof(*(*soap_package)->u.generic));
-           
-           (*soap_package)->u.generic->p = sr;
-           (*soap_package)->u.generic->ns = soap_handlers[0].ns;
-           (*soap_package)->u.generic->no = 0;
-           
-           (*soap_package)->ns = "SRU";
-
-           yaz_add_srw_diagnostic(decode, diag, num_diag, 4, operation);
-           return 0;
-       }
+            (*soap_package) = (Z_SOAP *)
+                odr_malloc(decode, sizeof(**soap_package));
+            (*soap_package)->which = Z_SOAP_generic;
+
+            (*soap_package)->u.generic = (Z_SOAP_Generic *)
+                odr_malloc(decode, sizeof(*(*soap_package)->u.generic));
+
+            (*soap_package)->u.generic->p = sr;
+            (*soap_package)->u.generic->ns = soap_handlers[0].ns;
+            (*soap_package)->u.generic->no = 0;
+
+            (*soap_package)->ns = "SRU";
+
+            yaz_add_srw_diagnostic(decode, diag, num_diag,
+                                   YAZ_SRW_UNSUPP_OPERATION, operation);
+            return 0;
+        }
+#else
+        return 1;
 #endif
-       return 1;
     }
     return 2;
 }
 
+Z_SRW_extra_record *yaz_srw_get_extra_record(ODR o)
+{
+    Z_SRW_extra_record *res = (Z_SRW_extra_record *)
+        odr_malloc(o, sizeof(*res));
+
+    res->extraRecordData_buf = 0;
+    res->extraRecordData_len = 0;
+    res->recordIdentifier = 0;
+    return res;
+}
+
+
+Z_SRW_record *yaz_srw_get_records(ODR o, int n)
+{
+    Z_SRW_record *res = (Z_SRW_record *) odr_malloc(o, n * sizeof(*res));
+    int i;
+
+    for (i = 0; i<n; i++)
+    {
+        res[i].recordSchema = 0;
+        res[i].recordPacking = Z_SRW_recordPacking_string;
+        res[i].recordData_buf = 0;
+        res[i].recordData_len = 0;
+        res[i].recordPosition = 0;
+    }
+    return res;
+}
+
+Z_SRW_record *yaz_srw_get_record(ODR o)
+{
+    return yaz_srw_get_records(o, 1);
+}
+
+static Z_SRW_PDU *yaz_srw_get_core_ver(ODR o, const char *version)
+{
+    Z_SRW_PDU *p = (Z_SRW_PDU *) odr_malloc(o, sizeof(*p));
+    p->srw_version = odr_strdup(o, version);
+    p->username = 0;
+    p->password = 0;
+    p->extra_args = 0;
+    p->extraResponseData_buf = 0;
+    p->extraResponseData_len = 0;
+    return p;
+}
+
+Z_SRW_PDU *yaz_srw_get_core_v_1_1(ODR o)
+{
+    return yaz_srw_get_core_ver(o, "1.1");
+}
+
 Z_SRW_PDU *yaz_srw_get(ODR o, int which)
 {
-    Z_SRW_PDU *sr = (Z_SRW_PDU *) odr_malloc(o, sizeof(*o));
+    return yaz_srw_get_pdu(o, which, "1.1");
+}
+
+Z_SRW_PDU *yaz_srw_get_pdu(ODR o, int which, const char *version)
+{
+    Z_SRW_PDU *sr = yaz_srw_get_core_ver(o, version);
 
-    sr->srw_version = odr_strdup(o, "1.1");
     sr->which = which;
     switch(which)
     {
@@ -525,9 +753,10 @@ Z_SRW_PDU *yaz_srw_get(ODR o, int which)
         sr->u.request->recordSchema = 0;
         sr->u.request->recordPacking = 0;
         sr->u.request->recordXPath = 0;
-       sr->u.request->database = 0;
-       sr->u.request->resultSetTTL = 0;
-       sr->u.request->stylesheet = 0;
+        sr->u.request->database = 0;
+        sr->u.request->resultSetTTL = 0;
+        sr->u.request->stylesheet = 0;
+        sr->u.request->facetList = 0;
         break;
     case Z_SRW_searchRetrieve_response:
         sr->u.response = (Z_SRW_searchRetrieveResponse *)
@@ -540,35 +769,39 @@ Z_SRW_PDU *yaz_srw_get(ODR o, int which)
         sr->u.response->diagnostics = 0;
         sr->u.response->num_diagnostics = 0;
         sr->u.response->nextRecordPosition = 0;
+        sr->u.response->extra_records = 0;
+        sr->u.response->facetList = 0;
+        sr->u.response->suggestions = 0;
         break;
     case Z_SRW_explain_request:
         sr->u.explain_request = (Z_SRW_explainRequest *)
             odr_malloc(o, sizeof(*sr->u.explain_request));
         sr->u.explain_request->recordPacking = 0;
-       sr->u.explain_request->database = 0;
-       sr->u.explain_request->stylesheet = 0;
+        sr->u.explain_request->database = 0;
+        sr->u.explain_request->stylesheet = 0;
         break;
     case Z_SRW_explain_response:
         sr->u.explain_response = (Z_SRW_explainResponse *)
             odr_malloc(o, sizeof(*sr->u.explain_response));
-       sr->u.explain_response->record.recordData_buf = 0;
-       sr->u.explain_response->record.recordData_len = 0;
-       sr->u.explain_response->record.recordSchema = 0;
-       sr->u.explain_response->record.recordPosition = 0;
-       sr->u.explain_response->record.recordPacking =
-           Z_SRW_recordPacking_string;
-       sr->u.explain_response->diagnostics = 0;
-       sr->u.explain_response->num_diagnostics = 0;
-       break;
+        sr->u.explain_response->record.recordData_buf = 0;
+        sr->u.explain_response->record.recordData_len = 0;
+        sr->u.explain_response->record.recordSchema = 0;
+        sr->u.explain_response->record.recordPosition = 0;
+        sr->u.explain_response->record.recordPacking =
+            Z_SRW_recordPacking_string;
+        sr->u.explain_response->diagnostics = 0;
+        sr->u.explain_response->num_diagnostics = 0;
+        sr->u.explain_response->extra_record = 0;
+        break;
     case Z_SRW_scan_request:
         sr->u.scan_request = (Z_SRW_scanRequest *)
             odr_malloc(o, sizeof(*sr->u.scan_request));
-       sr->u.scan_request->database = 0;
-       sr->u.scan_request->stylesheet = 0;
-       sr->u.scan_request->maximumTerms = 0;
-       sr->u.scan_request->responsePosition = 0;
-       sr->u.scan_request->query_type = Z_SRW_query_type_cql;
-       sr->u.scan_request->scanClause.cql = 0;
+        sr->u.scan_request->database = 0;
+        sr->u.scan_request->stylesheet = 0;
+        sr->u.scan_request->maximumTerms = 0;
+        sr->u.scan_request->responsePosition = 0;
+        sr->u.scan_request->query_type = Z_SRW_query_type_cql;
+        sr->u.scan_request->scanClause.cql = 0;
         break;
     case Z_SRW_scan_response:
         sr->u.scan_response = (Z_SRW_scanResponse *)
@@ -577,203 +810,317 @@ Z_SRW_PDU *yaz_srw_get(ODR o, int which)
        sr->u.scan_response->num_terms = 0;
        sr->u.scan_response->diagnostics = 0;
        sr->u.scan_response->num_diagnostics = 0;
+        break;
+    case Z_SRW_update_request:
+        sr->u.update_request = (Z_SRW_updateRequest *)
+            odr_malloc(o, sizeof(*sr->u.update_request));
+       sr->u.update_request->database = 0;
+       sr->u.update_request->stylesheet = 0;
+        sr->u.update_request->record = 0;
+       sr->u.update_request->recordId = 0;
+       sr->u.update_request->recordVersions = 0;
+       sr->u.update_request->num_recordVersions = 0;
+        sr->u.update_request->extra_record = 0;
+        sr->u.update_request->extraRequestData_buf = 0;
+        sr->u.update_request->extraRequestData_len = 0;
+       sr->u.request->database = 0;
+        break;
+    case Z_SRW_update_response:
+        sr->u.update_response = (Z_SRW_updateResponse *)
+            odr_malloc(o, sizeof(*sr->u.update_response));
+       sr->u.update_response->operationStatus = 0;
+       sr->u.update_response->recordId = 0;
+       sr->u.update_response->recordVersions = 0;
+       sr->u.update_response->num_recordVersions = 0;
+       sr->u.update_response->record = 0;
+        sr->u.update_response->extra_record = 0;
+        sr->u.update_response->extraResponseData_buf = 0;
+        sr->u.update_response->extraResponseData_len = 0;
+       sr->u.update_response->diagnostics = 0;
+       sr->u.update_response->num_diagnostics = 0;
     }
     return sr;
 }
 
+void yaz_add_name_value_int(ODR o, char **name, char **value, int *i,
+                            char *a_name, Odr_int *val)
+{
+    if (val)
+    {
+        name[*i] = a_name;
+        value[*i] = (char *) odr_malloc(o, 40);
+        sprintf(value[*i], ODR_INT_PRINTF, *val);
+        (*i)++;
+    }
+}
 
+void yaz_add_name_value_str(ODR o, char **name, char **value,  int *i,
+                            char *a_name, char *val)
+{
+    if (val)
+    {
+        name[*i] = a_name;
+        value[*i] = val;
+        (*i)++;
+    }
+}
 
-/* bib1:srw */
-static int srw_bib1_map[] = {
-    1, 1,
-    2, 2,
-    3, 11,
-    4, 35,
-    5, 12,
-    6, 38,
-    7, 30,
-    8, 32,
-    9, 29,
-    108, 10,  /* Malformed query : Syntax error */
-    10, 10,
-    11, 12,
-    11, 23,
-    12, 60,
-    13, 61,
-    13, 62,
-    14, 63,
-    14, 64,
-    14, 65,
-    15, 68,
-    15, 69,
-    16, 70,
-    17, 70,
-    18, 50,
-    19, 55,
-    20, 56, 
-    21, 52,
-    22, 50,
-    23, 3,
-    24, 66,
-    25, 66,
-    26, 66,
-    27, 51,
-    28, 52,
-    29, 52,
-    30, 51,
-    31, 57,
-    32, 58,
-    33, 59,
-    100, 1, /* bad map */
-    101, 3,
-    102, 3,
-    103, 3,
-    104, 3,
-    105, 3, 
-    106, 66,
-    107, 11,
-    108, 13,
-    108, 14,
-    108, 25,
-    108, 26,
-    108, 27,
-    108, 45,
-        
-    109, 2,
-    110, 37,
-    111, 1,
-    112, 58,
-    113, 10,
-    114, 16,
-    115, 16,
-    116, 16,
-    117, 19,
-    117, 20,
-    118, 22,
-    119, 32,
-    119, 31,
-    120, 28,
-    121, 15,
-    122, 32,
-    123, 22,
-    123, 17,
-    123, 18,
-    124, 24,
-    125, 36,
-    126, 36, 
-    127, 36,
-    128, 51,
-    129, 39,
-    130, 43,
-    131, 40,
-    132, 42,
-    201, 44,
-    201, 33,
-    201, 34,
-    202, 41,
-    203, 43,
-    205, 1,  /* bad map */
-    206, 1,  /* bad map */
-    207, 89,
-    208, 1,  /* bad map */
-    209, 80,
-    210, 80,
-    210, 81,
-    211, 84,
-    212, 85,
-    213, 92,
-    214, 90,
-    215, 91,
-    216, 92,
-    217, 63,
-    218, 1,  /* bad map */
-    219, 1,  /* bad map */
-    220, 1,  /* bad map */
-    221, 1,  /* bad map */
-    222, 1,  /* bad map */
-    223, 1,  /* bad map */
-    224, 1,  /* bad map */
-    225, 1,  /* bad map */
-    226, 1,  /* bad map */
-    227, 66,
-    228, 1,  /* bad map */
-    229, 36,
-    230, 83,
-    231, 89,
-    232, 1,
-    233, 1, /* bad map */
-    234, 1, /* bad map */
-    235, 2,
-    236, 3, 
-    237, 82,
-    238, 67,
-    239, 66,
-    240, 1, /* bad map */
-    241, 1, /* bad map */
-    242, 70,
-    243, 1, /* bad map */
-    244, 66,
-    245, 10,
-    246, 10,
-    247, 10,
-    1001, 1, /* bad map */
-    1002, 1, /* bad map */
-    1003, 1, /* bad map */
-    1004, 1, /* bad map */
-    1005, 1, /* bad map */
-    1006, 1, /* bad map */
-    1007, 100,
-    1008, 1, 
-    1009, 1,
-    1010, 3,
-    1011, 3,
-    1012, 3,
-    1013, 3,
-    1014, 3,
-    1015, 3,
-    1015, 3,
-    1016, 3,
-    1017, 3,
-    1018, 2,
-    1019, 2,
-    1020, 2,
-    1021, 3,
-    1022, 3,
-    1023, 3,
-    1024, 16,
-    1025, 3,
-    1026, 64,
-    1027, 1,
-    1028, 65,
-    1029, 1,
-    1040, 1,
-    /* 1041-1065 */
-    1066, 66,
-    1066, 67,
-    0
-};
-
-int yaz_diag_bib1_to_srw (int code)
-{
-    const int *p = srw_bib1_map;
-    while (*p)
+static int yaz_get_sru_parms(const Z_SRW_PDU *srw_pdu, ODR encode,
+                             char **name, char **value, int max_names)
+{
+    int i = 0;
+    yaz_add_name_value_str(encode, name, value, &i, "version", srw_pdu->srw_version);
+    name[i] = "operation";
+    switch(srw_pdu->which)
     {
-        if (code == p[0])
-            return p[1];
-        p += 2;
+    case Z_SRW_searchRetrieve_request:
+        value[i++] = "searchRetrieve";
+        switch(srw_pdu->u.request->query_type)
+        {
+        case Z_SRW_query_type_cql:
+            yaz_add_name_value_str(encode, name, value, &i, "query",
+                                   srw_pdu->u.request->query.cql);
+            break;
+        case Z_SRW_query_type_pqf:
+            yaz_add_name_value_str(encode, name, value, &i, "x-pquery",
+                                   srw_pdu->u.request->query.pqf);
+            break;
+        case Z_SRW_query_type_xcql:
+            yaz_add_name_value_str(encode, name, value, &i, "x-cql",
+                                   srw_pdu->u.request->query.xcql);
+            break;
+        }
+        switch(srw_pdu->u.request->sort_type)
+        {
+        case Z_SRW_sort_type_none:
+            break;
+        case Z_SRW_sort_type_sort:
+            yaz_add_name_value_str(encode, name, value, &i, "sortKeys",
+                                   srw_pdu->u.request->sort.sortKeys);
+            break;
+        }
+        yaz_add_name_value_int(encode, name, value, &i, "startRecord",
+                               srw_pdu->u.request->startRecord);
+        yaz_add_name_value_int(encode, name, value, &i, "maximumRecords",
+                               srw_pdu->u.request->maximumRecords);
+        yaz_add_name_value_str(encode, name, value, &i, "recordSchema",
+                               srw_pdu->u.request->recordSchema);
+        yaz_add_name_value_str(encode, name, value, &i, "recordPacking",
+                               srw_pdu->u.request->recordPacking);
+        yaz_add_name_value_str(encode, name, value, &i, "recordXPath",
+                               srw_pdu->u.request->recordXPath);
+        yaz_add_name_value_str(encode, name, value, &i, "stylesheet",
+                               srw_pdu->u.request->stylesheet);
+        yaz_add_name_value_int(encode, name, value, &i, "resultSetTTL",
+                               srw_pdu->u.request->resultSetTTL);
+        break;
+    case Z_SRW_explain_request:
+        value[i++] = "explain";
+        yaz_add_name_value_str(encode, name, value, &i, "stylesheet",
+                               srw_pdu->u.explain_request->stylesheet);
+        break;
+    case Z_SRW_scan_request:
+        value[i++] = "scan";
+
+        switch(srw_pdu->u.scan_request->query_type)
+        {
+        case Z_SRW_query_type_cql:
+            yaz_add_name_value_str(encode, name, value, &i, "scanClause",
+                                   srw_pdu->u.scan_request->scanClause.cql);
+            break;
+        case Z_SRW_query_type_pqf:
+            yaz_add_name_value_str(encode, name, value, &i, "x-pScanClause",
+                                   srw_pdu->u.scan_request->scanClause.pqf);
+            break;
+        case Z_SRW_query_type_xcql:
+            yaz_add_name_value_str(encode, name, value, &i, "x-cqlScanClause",
+                                   srw_pdu->u.scan_request->scanClause.xcql);
+            break;
+        }
+        yaz_add_name_value_int(encode, name, value, &i, "responsePosition",
+                               srw_pdu->u.scan_request->responsePosition);
+        yaz_add_name_value_int(encode, name, value, &i, "maximumTerms",
+                               srw_pdu->u.scan_request->maximumTerms);
+        yaz_add_name_value_str(encode, name, value, &i, "stylesheet",
+                               srw_pdu->u.scan_request->stylesheet);
+        break;
+    case Z_SRW_update_request:
+        value[i++] = "update";
+        break;
+    default:
+        return -1;
     }
-    return 1;
+    if (srw_pdu->extra_args)
+    {
+        Z_SRW_extra_arg *ea = srw_pdu->extra_args;
+        for (; ea && i < max_names-1; ea = ea->next)
+        {
+            name[i] = ea->name;
+            value[i] = ea->value;
+            i++;
+        }
+    }
+    name[i++] = 0;
+
+    return 0;
+}
+
+int yaz_sru_get_encode(Z_HTTP_Request *hreq, Z_SRW_PDU *srw_pdu,
+                       ODR encode, const char *charset)
+{
+    char *name[MAX_SRU_PARAMETERS], *value[MAX_SRU_PARAMETERS]; /* definite upper limit for SRU params */
+    char *uri_args;
+    char *path;
+
+    z_HTTP_header_add_basic_auth(encode, &hreq->headers,
+                                 srw_pdu->username, srw_pdu->password);
+    if (yaz_get_sru_parms(srw_pdu, encode, name, value, MAX_SRU_PARAMETERS))
+        return -1;
+    yaz_array_to_uri(&uri_args, encode, name, value);
+
+    hreq->method = "GET";
+
+    path = (char *)
+        odr_malloc(encode, strlen(hreq->path) + strlen(uri_args) + 4);
+
+    sprintf(path, "%s?%s", hreq->path, uri_args);
+    yaz_log(YLOG_DEBUG, "SRU HTTP Get Request %s", path);
+    hreq->path = path;
+
+    z_HTTP_header_add_content_type(encode, &hreq->headers,
+                                   "text/xml", charset);
+    return 0;
+}
+
+int yaz_sru_post_encode(Z_HTTP_Request *hreq, Z_SRW_PDU *srw_pdu,
+                        ODR encode, const char *charset)
+{
+    char *name[MAX_SRU_PARAMETERS], *value[MAX_SRU_PARAMETERS]; /* definite upper limit for SRU params */
+    char *uri_args;
+
+    z_HTTP_header_add_basic_auth(encode, &hreq->headers,
+                                 srw_pdu->username, srw_pdu->password);
+    if (yaz_get_sru_parms(srw_pdu, encode, name, value, MAX_SRU_PARAMETERS))
+        return -1;
+
+    yaz_array_to_uri(&uri_args, encode, name, value);
+
+    hreq->method = "POST";
+
+    hreq->content_buf = uri_args;
+    hreq->content_len = strlen(uri_args);
+
+    z_HTTP_header_add_content_type(encode, &hreq->headers,
+                                   "application/x-www-form-urlencoded",
+                                   charset);
+    return 0;
+}
+
+int yaz_sru_soap_encode(Z_HTTP_Request *hreq, Z_SRW_PDU *srw_pdu,
+                        ODR odr, const char *charset)
+{
+    Z_SOAP_Handler handlers[3] = {
+#if YAZ_HAVE_XML2
+        {YAZ_XMLNS_SRU_v1_1, 0, (Z_SOAP_fun) yaz_srw_codec},
+        {YAZ_XMLNS_UPDATE_v0_9, 0, (Z_SOAP_fun) yaz_ucp_codec},
+#endif
+        {0, 0, 0}
+    };
+    Z_SOAP *p = (Z_SOAP*) odr_malloc(odr, sizeof(*p));
+
+    z_HTTP_header_add_basic_auth(odr, &hreq->headers,
+                                 srw_pdu->username, srw_pdu->password);
+    z_HTTP_header_add_content_type(odr,
+                                   &hreq->headers,
+                                   "text/xml", charset);
+
+    z_HTTP_header_add(odr, &hreq->headers,
+                      "SOAPAction", "\"\"");
+    p->which = Z_SOAP_generic;
+    p->u.generic = (Z_SOAP_Generic *) odr_malloc(odr, sizeof(*p->u.generic));
+    p->u.generic->no = 0;
+    p->u.generic->ns = 0;
+    p->u.generic->p = srw_pdu;
+    p->ns = "http://schemas.xmlsoap.org/soap/envelope/";
+
+#if YAZ_HAVE_XML2
+    if (srw_pdu->which == Z_SRW_update_request ||
+        srw_pdu->which == Z_SRW_update_response)
+        p->u.generic->no = 1; /* second handler */
+#endif
+    return z_soap_codec_enc(odr, &p,
+                            &hreq->content_buf,
+                            &hreq->content_len, handlers,
+                            charset);
 }
 
-int yaz_diag_srw_to_bib1(int code)
+Z_SRW_recordVersion *yaz_srw_get_record_versions(ODR odr, int num)
 {
-    const int *p = srw_bib1_map;
-    while (*p)
+    Z_SRW_recordVersion *ver
+        = (Z_SRW_recordVersion *) odr_malloc(odr,num * sizeof(*ver));
+    int i;
+    for (i = 0; i < num; ++i)
     {
-        if (code == p[1])
-            return p[0];
-        p += 2;
+        ver[i].versionType = 0;
+        ver[i].versionValue = 0;
+    }
+    return ver;
+}
+
+const char *yaz_srw_pack_to_str(int pack)
+{
+    switch(pack)
+    {
+    case Z_SRW_recordPacking_string:
+        return "string";
+    case Z_SRW_recordPacking_XML:
+        return "xml";
+    case Z_SRW_recordPacking_URL:
+        return "url";
+    }
+    return 0;
+}
+
+int yaz_srw_str_to_pack(const char *str)
+{
+    if (!yaz_matchstr(str, "string"))
+        return Z_SRW_recordPacking_string;
+    if (!yaz_matchstr(str, "xml"))
+        return Z_SRW_recordPacking_XML;
+    if (!yaz_matchstr(str, "url"))
+        return Z_SRW_recordPacking_URL;
+    return -1;
+}
+
+void yaz_encode_sru_extra(Z_SRW_PDU *sr, ODR odr, const char *extra_args)
+{
+    if (extra_args)
+    {
+        char **name;
+        char **val;
+        Z_SRW_extra_arg **ea = &sr->extra_args;
+        yaz_uri_to_array(extra_args, odr, &name, &val);
+
+        while (*name)
+        {
+            *ea = (Z_SRW_extra_arg *) odr_malloc(odr, sizeof(**ea));
+            (*ea)->name = *name;
+            (*ea)->value = *val;
+            ea = &(*ea)->next;
+            val++;
+            name++;
+        }
+        *ea = 0;
     }
-    return 1;
 }
 
+
+/*
+ * Local variables:
+ * c-basic-offset: 4
+ * c-file-style: "Stroustrup"
+ * indent-tabs-mode: nil
+ * End:
+ * vim: shiftwidth=4 tabstop=8 expandtab
+ */
+