X-Git-Url: http://www.project-moonshot.org/gitweb/?a=blobdiff_plain;f=mech_eap%2Futil_radius.cpp;h=2411b0435177bba9fe336fe5da76de55d6558ab5;hb=refs%2Fheads%2Fddf-name;hp=083b3e70426434d6712797a9a653da1adac5cb0a;hpb=064949a307c23c739f0079d8c6c8bcd67a8e4613;p=moonshot.git

diff --git a/mech_eap/util_radius.cpp b/mech_eap/util_radius.cpp
index 083b3e7..2411b04 100644
--- a/mech_eap/util_radius.cpp
+++ b/mech_eap/util_radius.cpp
@@ -36,6 +36,8 @@
 
 #include "gssapiP_eap.h"
 
+#include <xercesc/util/Base64.hpp>
+
 /* stuff that should be provided by libradsec/libfreeradius-radius */
 #define VENDORATTR(vendor, attr)            (((vendor) << 16) | (attr))
 
@@ -440,7 +442,8 @@ void
 gss_eap_radius_attr_provider::releaseAnyNameMapping(gss_buffer_t type_id GSSEAP_UNUSED,
                                                     gss_any_t input) const
 {
-    pairfree((VALUE_PAIR **)&input);
+    VALUE_PAIR *vp = (VALUE_PAIR *)input;
+    pairfree(&vp);
 }
 
 bool
@@ -458,7 +461,16 @@ gss_eap_radius_attr_provider::init(void)
      * dictionary, otherwise accepting reauthentication tokens fails unless
      * the acceptor has already accepted a normal authentication token.
      */
-    if (rs_context_create(&radContext, RS_DICT_FILE) != 0) {
+    if (rs_context_create(&radContext) != 0)
+        return false;
+
+    if (rs_context_read_config(radContext, RS_CONFIG_FILE) != 0) {
+        rs_context_destroy(radContext);
+        return false;
+    }
+
+    if (rs_context_init_freeradius_dict(radContext, NULL)) {
+        rs_context_destroy(radContext);
         return false;
     }
 
@@ -611,71 +623,48 @@ gssEapRadiusAttrProviderFinalize(OM_uint32 *minor)
     return GSS_S_COMPLETE;
 }
 
-/*
- * Encoding is:
- * 4 octet NBO attribute ID | 4 octet attribute length | attribute data
- */
-static size_t
-avpSize(const VALUE_PAIR *vp)
-{
-    size_t size = 4 + 1;
-
-    if (vp != NULL)
-        size += vp->length;
-
-    return size;
-}
-
-static bool
-avpExport(const VALUE_PAIR *vp,
-          unsigned char **pBuffer,
-          size_t *pRemain)
+static DDF
+avpMarshall(const VALUE_PAIR *vp)
 {
-    unsigned char *p = *pBuffer;
-    size_t remain = *pRemain;
+    DDF obj(NULL);
 
-    assert(remain >= avpSize(vp));
+    obj.addmember("type").integer(vp->attribute);
 
-    store_uint32_be(vp->attribute, p);
+    assert(vp->length <= MAX_STRING_LEN);
 
     switch (vp->type) {
     case PW_TYPE_INTEGER:
     case PW_TYPE_IPADDR:
     case PW_TYPE_DATE:
-        p[4] = 4;
-        store_uint32_be(vp->lvalue, p + 5);
+        obj.addmember("value").integer(vp->lvalue);
         break;
-    default:
-        assert(vp->length <= MAX_STRING_LEN);
-        p[4] = (uint8_t)vp->length;
-        memcpy(p + 5, vp->vp_octets, vp->length);
+    case PW_TYPE_STRING:
+        obj.addmember("value").string(vp->vp_strvalue);
         break;
-    }
+    default: {
+        XMLSize_t len;
+        XMLByte *b64 = xercesc::Base64::encode(vp->vp_octets, vp->length, &len);
 
-    *pBuffer += 5 + p[4];
-    *pRemain -= 5 + p[4];
+        if (b64[len - 1] == '\n')
+            b64[--len] = '\0'; /* XXX there may be embedded newlines */
 
-    return true;
+        obj.addmember("value").string((char *)b64);
+        delete b64;
+        break;
+    }
+    }
 
+    return obj;
 }
 
 static bool
-avpImport(VALUE_PAIR **pVp,
-          unsigned char **pBuffer,
-          size_t *pRemain)
+avpUnmarshall(VALUE_PAIR **pVp, DDF &obj)
 {
-    unsigned char *p = *pBuffer;
-    size_t remain = *pRemain;
     VALUE_PAIR *vp = NULL;
     DICT_ATTR *da;
     uint32_t attrid;
 
-    if (remain < avpSize(NULL))
-        goto fail;
-
-    attrid = load_uint32_be(p);
-    p += 4;
-    remain -= 4;
+    attrid = obj["type"].integer();
 
     da = dict_attrbyvalue(attrid);
     if (da != NULL) {
@@ -688,40 +677,42 @@ avpImport(VALUE_PAIR **pVp,
         goto fail;
     }
 
-    if (remain < p[0])
-        goto fail;
-
     switch (vp->type) {
     case PW_TYPE_INTEGER:
     case PW_TYPE_IPADDR:
     case PW_TYPE_DATE:
-        if (p[0] != 4)
-            goto fail;
-
         vp->length = 4;
-        vp->lvalue = load_uint32_be(p + 1);
-        p += 5;
-        remain -= 5;
+        vp->lvalue = obj["value"].integer();;
         break;
-    case PW_TYPE_STRING:
-    default:
-        if (p[0] >= MAX_STRING_LEN)
+    case PW_TYPE_STRING: {
+        const char *str = obj["value"].string();
+        size_t len = strlen(str);
+        if (str == NULL || len >= MAX_STRING_LEN)
             goto fail;
 
-        vp->length = (uint32_t)p[0];
-        memcpy(vp->vp_octets, p + 1, vp->length);
-
-        if (vp->type == PW_TYPE_STRING)
-            vp->vp_strvalue[vp->length] = '\0';
+        vp->length = len;
+        memcpy(vp->vp_strvalue, str, len + 1);
+        break;
+    }
+    case PW_TYPE_OCTETS:
+    default: {
+        XMLSize_t len;
+        const XMLByte *b64 = (const XMLByte *)obj["value"].string();
+        XMLByte *data = xercesc::Base64::decode(b64, &len);
+        if (data == NULL || len >= MAX_STRING_LEN) {
+            delete data;
+            goto fail;
+        }
 
-        p += 1 + vp->length;
-        remain -= 1 + vp->length;
+        vp->length = len;
+        memcpy(vp->vp_octets, data, len);
+        vp->vp_octets[len] = '\0';
+        delete data;
         break;
     }
+    }
 
     *pVp = vp;
-    *pBuffer = p;
-    *pRemain = remain;
 
     return true;
 
@@ -732,55 +723,51 @@ fail:
     return false;
 }
 
+const char *
+gss_eap_radius_attr_provider::marshallingKey(void) const
+{
+    return "radius";
+}
+
 bool
-gss_eap_radius_attr_provider::initFromBuffer(const gss_eap_attr_ctx *ctx,
-                                             const gss_buffer_t buffer)
+gss_eap_radius_attr_provider::unmarshallAndInit(const gss_eap_attr_ctx *ctx,
+                                                DDF &obj)
 {
-    unsigned char *p = (unsigned char *)buffer->value;
-    size_t remain = buffer->length;
     VALUE_PAIR **pNext = &m_vps;
 
-    if (!gss_eap_attr_provider::initFromBuffer(ctx, buffer))
+    if (!gss_eap_attr_provider::unmarshallAndInit(ctx, obj))
         return false;
 
-    do {
-        VALUE_PAIR *attr;
+    DDF attrs = obj["attributes"];
+    DDF attr = attrs.first();
 
-        if (!avpImport(&attr, &p, &remain))
+    while (!attr.isnull()) {
+        VALUE_PAIR *vp;
+
+        if (!avpUnmarshall(&vp, attr))
             return false;
 
-        *pNext = attr;
-        pNext = &attr->next;
-    } while (remain != 0);
+        *pNext = vp;
+        pNext = &vp->next;
+
+        attr = attrs.next();
+    }
 
     return true;
 }
 
-void
-gss_eap_radius_attr_provider::exportToBuffer(gss_buffer_t buffer) const
+DDF
+gss_eap_radius_attr_provider::marshall(void) const
 {
-    VALUE_PAIR *vp;
-    unsigned char *p;
-    size_t remain = 0;
-
-    for (vp = m_vps; vp != NULL; vp = vp->next) {
-        remain += avpSize(vp);
-    }
+    DDF obj(NULL);
+    DDF attrs = obj.structure().addmember("attributes").list();
 
-    buffer->value = GSSEAP_MALLOC(remain);
-    if (buffer->value == NULL) {
-        throw new std::bad_alloc;
-        return;
-    }
-    buffer->length = remain;
-
-    p = (unsigned char *)buffer->value;
-
-    for (vp = m_vps; vp != NULL; vp = vp->next) {
-        avpExport(vp, &p, &remain);
+    for (VALUE_PAIR *vp = m_vps; vp != NULL; vp = vp->next) {
+        DDF attr = avpMarshall(vp);
+        attrs.add(attr);
     }
 
-    assert(remain == 0);
+    return obj;
 }
 
 time_t