Ejemplo n.º 1
0
/* It is allowed to have duplicate handles (paths or class names or variables
 * etc) in bundle server access_rules in policy files, but the lists here
 * should have unique entries. This, we make sure here. */
static Auth *GetOrCreateAuth(const char *handle, Auth **authchain, Auth **authchain_tail)
{
    Auth *a = GetAuthPath(handle, *authchain);

    if (!a)
    {
        InstallServerAuthPath(handle, authchain, authchain_tail);
        a = GetAuthPath(handle, *authchain);
    }

    return a;
}
Ejemplo n.º 2
0
static void KeepServerRolePromise(EvalContext *ctx, Promise *pp)
{
    Rlist *rp;
    Auth *ap;

    if (!GetAuthPath(pp->promiser, SV.roles))
    {
        InstallServerAuthPath(pp->promiser, &SV.roles, &SV.rolestop);
    }

    ap = GetAuthPath(pp->promiser, SV.roles);

    for (size_t i = 0; i < SeqLength(pp->conlist); i++)
    {
        Constraint *cp = SeqAt(pp->conlist, i);

        if (!IsDefinedClass(ctx, cp->classes, PromiseGetNamespace(pp)))
        {
            continue;
        }

        switch (cp->rval.type)
        {
        case RVAL_TYPE_LIST:

            for (rp = (Rlist *) cp->rval.item; rp != NULL; rp = rp->next)
            {
                if (strcmp(cp->lval, CF_REMROLE_BODIES[REMOTE_ROLE_AUTHORIZE].lval) == 0)
                {
                    PrependItem(&(ap->accesslist), rp->item, NULL);
                    continue;
                }
            }
            break;

        case RVAL_TYPE_FNCALL:
            /* Shouldn't happen */
            break;

        default:

            if ((strcmp(cp->lval, "comment") == 0) || (strcmp(cp->lval, "handle") == 0))
            {
            }
            else
            {
                Log(LOG_LEVEL_ERR, "Right-hand side of authorize promise for '%s' should be a list", pp->promiser);
            }
            break;
        }
    }
}
Ejemplo n.º 3
0
static void KeepServerRolePromise(Promise *pp)
{
    Constraint *cp;
    Rlist *rp;
    Auth *ap;

    if (!GetAuthPath(pp->promiser, ROLES))
    {
        InstallServerAuthPath(pp->promiser, &ROLES, &ROLESTOP);
    }

    ap = GetAuthPath(pp->promiser, ROLES);

    for (cp = pp->conlist; cp != NULL; cp = cp->next)
    {
        if (!IsDefinedClass(cp->classes))
        {
            continue;
        }

        switch (cp->rval.rtype)
        {
        case CF_LIST:

            for (rp = (Rlist *) cp->rval.item; rp != NULL; rp = rp->next)
            {
                if (strcmp(cp->lval, CF_REMROLE_BODIES[cfs_authorize].lval) == 0)
                {
                    PrependItem(&(ap->accesslist), rp->item, NULL);
                    continue;
                }
            }
            break;

        case CF_FNCALL:
            /* Shouldn't happen */
            break;

        default:

            if (strcmp(cp->lval, "comment") == 0 || strcmp(cp->lval, "handle") == 0)
            {
            }
            else
            {
                CfOut(cf_error, "", "RHS of authorize promise for %s should be a list\n", pp->promiser);
            }
            break;
        }
    }
}
Ejemplo n.º 4
0
void KeepQueryAccessPromise(EvalContext *ctx, Promise *pp, char *type)
{
    Rlist *rp;
    Auth *ap, *dp;

    if (!GetAuthPath(pp->promiser, SV.varadmit))
    {
        InstallServerAuthPath(pp->promiser, &SV.varadmit, &SV.varadmittop);
    }

    RegisterLiteralServerData(ctx, pp->promiser, pp);

    if (!GetAuthPath(pp->promiser, SV.vardeny))
    {
        InstallServerAuthPath(pp->promiser, &SV.vardeny, &SV.vardenytop);
    }

    ap = GetAuthPath(pp->promiser, SV.varadmit);
    dp = GetAuthPath(pp->promiser, SV.vardeny);

    if (strcmp(type, "query") == 0)
    {
        ap->literal = true;
    }

    for (size_t i = 0; i < SeqLength(pp->conlist); i++)
    {
        Constraint *cp = SeqAt(pp->conlist, i);

        if (!IsDefinedClass(ctx, cp->classes, PromiseGetNamespace(pp)))
        {
            continue;
        }

        switch (cp->rval.type)
        {
        case RVAL_TYPE_SCALAR:

            if (strcmp(cp->lval, CF_REMACCESS_BODIES[REMOTE_ACCESS_ENCRYPTED].lval) == 0)
            {
                ap->encrypt = true;
            }

            break;

        case RVAL_TYPE_LIST:

            for (rp = (Rlist *) cp->rval.item; rp != NULL; rp = rp->next)
            {
                if (strcmp(cp->lval, CF_REMACCESS_BODIES[REMOTE_ACCESS_ADMIT].lval) == 0)
                {
                    PrependItem(&(ap->accesslist), rp->item, NULL);
                    continue;
                }

                if (strcmp(cp->lval, CF_REMACCESS_BODIES[REMOTE_ACCESS_DENY].lval) == 0)
                {
                    PrependItem(&(dp->accesslist), rp->item, NULL);
                    continue;
                }

                if (strcmp(cp->lval, CF_REMACCESS_BODIES[REMOTE_ACCESS_MAPROOT].lval) == 0)
                {
                    PrependItem(&(ap->maproot), rp->item, NULL);
                    continue;
                }
            }
            break;

        default:
            /* Shouldn't happen */
            break;
        }
    }
}
Ejemplo n.º 5
0
void KeepLiteralAccessPromise(EvalContext *ctx, Promise *pp, char *type)
{
    Rlist *rp;
    Auth *ap = NULL, *dp = NULL;
    const char *handle = PromiseGetHandle(pp);

    if ((handle == NULL) && (strcmp(type,"literal") == 0))
    {
        Log(LOG_LEVEL_ERR, "Access to literal server data requires you to define a promise handle for reference");
        return;
    }
    
    if (strcmp(type, "literal") == 0)
    {
        Log(LOG_LEVEL_VERBOSE,"Looking at literal access promise '%s', type '%s'", pp->promiser, type);

        if (!GetAuthPath(handle, SV.varadmit))
        {
            InstallServerAuthPath(handle, &SV.varadmit, &SV.varadmittop);
        }

        if (!GetAuthPath(handle, SV.vardeny))
        {
            InstallServerAuthPath(handle, &SV.vardeny, &SV.vardenytop);
        }

        RegisterLiteralServerData(ctx, handle, pp);
        ap = GetAuthPath(handle, SV.varadmit);
        dp = GetAuthPath(handle, SV.vardeny);
        ap->literal = true;
    }
    else
    {
        Log(LOG_LEVEL_VERBOSE,"Looking at context/var access promise '%s', type '%s'", pp->promiser, type);

        if (!GetAuthPath(pp->promiser, SV.varadmit))
        {
            InstallServerAuthPath(pp->promiser, &SV.varadmittop, &SV.varadmittop);
        }

        if (!GetAuthPath(pp->promiser, SV.vardeny))
        {
            InstallServerAuthPath(pp->promiser, &SV.vardeny, &SV.vardenytop);
        }


        if (strcmp(type, "context") == 0)
        {
            ap = GetAuthPath(pp->promiser, SV.varadmit);
            dp = GetAuthPath(pp->promiser, SV.vardeny);
            ap->classpattern = true;
        }

        if (strcmp(type, "variable") == 0)
        {
            ap = GetAuthPath(pp->promiser, SV.varadmit); // Allow the promiser (preferred) as well as handle as variable name
            dp = GetAuthPath(pp->promiser, SV.vardeny);
            ap->variable = true;
        }
    }
    
    for (size_t i = 0; i < SeqLength(pp->conlist); i++)
    {
        Constraint *cp = SeqAt(pp->conlist, i);

        if (!IsDefinedClass(ctx, cp->classes, PromiseGetNamespace(pp)))
        {
            continue;
        }

        switch (cp->rval.type)
        {
        case RVAL_TYPE_SCALAR:

            if (strcmp(cp->lval, CF_REMACCESS_BODIES[REMOTE_ACCESS_ENCRYPTED].lval) == 0)
            {
                ap->encrypt = true;
            }

            break;

        case RVAL_TYPE_LIST:

            for (rp = (Rlist *) cp->rval.item; rp != NULL; rp = rp->next)
            {
                if (strcmp(cp->lval, CF_REMACCESS_BODIES[REMOTE_ACCESS_ADMIT].lval) == 0)
                {
                    PrependItem(&(ap->accesslist), rp->item, NULL);
                    continue;
                }

                if (strcmp(cp->lval, CF_REMACCESS_BODIES[REMOTE_ACCESS_DENY].lval) == 0)
                {
                    PrependItem(&(dp->accesslist), rp->item, NULL);
                    continue;
                }

                if (strcmp(cp->lval, CF_REMACCESS_BODIES[REMOTE_ACCESS_MAPROOT].lval) == 0)
                {
                    PrependItem(&(ap->maproot), rp->item, NULL);
                    continue;
                }
            }
            break;

        default:
            /* Shouldn't happen */
            break;
        }
    }
}
Ejemplo n.º 6
0
void KeepFileAccessPromise(EvalContext *ctx, const Promise *pp)
{
    Rlist *rp;
    Auth *ap, *dp;

    if (strlen(pp->promiser) != 1)
    {
        DeleteSlash(pp->promiser);
    }

    if (!GetAuthPath(pp->promiser, SV.admit))
    {
        InstallServerAuthPath(pp->promiser, &SV.admit, &SV.admittop);
    }

    if (!GetAuthPath(pp->promiser, SV.deny))
    {
        InstallServerAuthPath(pp->promiser, &SV.deny, &SV.denytop);
    }

    ap = GetAuthPath(pp->promiser, SV.admit);
    dp = GetAuthPath(pp->promiser, SV.deny);

    for (size_t i = 0; i < SeqLength(pp->conlist); i++)
    {
        Constraint *cp = SeqAt(pp->conlist, i);

        if (!IsDefinedClass(ctx, cp->classes, PromiseGetNamespace(pp)))
        {
            continue;
        }

        switch (cp->rval.type)
        {
        case RVAL_TYPE_SCALAR:

            if (strcmp(cp->lval, CF_REMACCESS_BODIES[REMOTE_ACCESS_ENCRYPTED].lval) == 0)
            {
                ap->encrypt = true;
            }

            break;

        case RVAL_TYPE_LIST:

            for (rp = (Rlist *) cp->rval.item; rp != NULL; rp = rp->next)
            {
                if (strcmp(cp->lval, CF_REMACCESS_BODIES[REMOTE_ACCESS_ADMIT].lval) == 0)
                {
                    PrependItem(&(ap->accesslist), RlistScalarValue(rp), NULL);
                    continue;
                }

                if (strcmp(cp->lval, CF_REMACCESS_BODIES[REMOTE_ACCESS_DENY].lval) == 0)
                {
                    PrependItem(&(dp->accesslist), RlistScalarValue(rp), NULL);
                    continue;
                }

                if (strcmp(cp->lval, CF_REMACCESS_BODIES[REMOTE_ACCESS_MAPROOT].lval) == 0)
                {
                    PrependItem(&(ap->maproot), RlistScalarValue(rp), NULL);
                    continue;
                }
            }
            break;

        default:
            UnexpectedError("Unknown constraint type!");
            break;
        }
    }
}
Ejemplo n.º 7
0
void KeepQueryAccessPromise(Promise *pp, char *type)
{
    Constraint *cp;
    Rlist *rp;
    Auth *ap, *dp;

    if (!GetAuthPath(pp->promiser, VARADMIT))
    {
        InstallServerAuthPath(pp->promiser, &VARADMIT, &VARADMITTOP);
    }

    RegisterLiteralServerData(pp->promiser, pp);

    if (!GetAuthPath(pp->promiser, VARDENY))
    {
        InstallServerAuthPath(pp->promiser, &VARDENY, &VARDENYTOP);
    }

    ap = GetAuthPath(pp->promiser, VARADMIT);
    dp = GetAuthPath(pp->promiser, VARDENY);

    if (strcmp(type, "query") == 0)
    {
        ap->literal = true;
    }

    for (cp = pp->conlist; cp != NULL; cp = cp->next)
    {
        if (!IsDefinedClass(cp->classes))
        {
            continue;
        }

        switch (cp->rval.rtype)
        {
        case CF_SCALAR:

            if (strcmp(cp->lval, CF_REMACCESS_BODIES[cfs_encrypted].lval) == 0)
            {
                ap->encrypt = true;
            }

            break;

        case CF_LIST:

            for (rp = (Rlist *) cp->rval.item; rp != NULL; rp = rp->next)
            {
                if (strcmp(cp->lval, CF_REMACCESS_BODIES[cfs_admit].lval) == 0)
                {
                    PrependItem(&(ap->accesslist), rp->item, NULL);
                    continue;
                }

                if (strcmp(cp->lval, CF_REMACCESS_BODIES[cfs_deny].lval) == 0)
                {
                    PrependItem(&(dp->accesslist), rp->item, NULL);
                    continue;
                }

                if (strcmp(cp->lval, CF_REMACCESS_BODIES[cfs_maproot].lval) == 0)
                {
                    PrependItem(&(ap->maproot), rp->item, NULL);
                    continue;
                }
            }
            break;

        case CF_FNCALL:
            /* Shouldn't happen */
            break;
        }
    }
}
Ejemplo n.º 8
0
void KeepLiteralAccessPromise(Promise *pp, char *type)
{
    Constraint *cp;
    Rlist *rp;
    Auth *ap, *dp;
    char *handle = GetConstraintValue("handle", pp, CF_SCALAR);

    if (handle == NULL)
    {
        CfOut(cf_error, "", "Access to literal server data requires you to define a promise handle for reference");
        return;
    }

    if (!GetAuthPath(handle, VARADMIT))
    {
        InstallServerAuthPath(handle, &VARADMIT, &VARADMITTOP);
    }

    RegisterLiteralServerData(handle, pp);

    if (!GetAuthPath(handle, VARDENY))
    {
        InstallServerAuthPath(handle, &VARDENY, &VARDENYTOP);
    }

    ap = GetAuthPath(handle, VARADMIT);
    dp = GetAuthPath(handle, VARDENY);

    if (strcmp(type, "literal") == 0)
    {
        ap->literal = true;
    }

    if (strcmp(type, "context") == 0)
    {
        ap->classpattern = true;
    }

    for (cp = pp->conlist; cp != NULL; cp = cp->next)
    {
        if (!IsDefinedClass(cp->classes))
        {
            continue;
        }

        switch (cp->rval.rtype)
        {
        case CF_SCALAR:

            if (strcmp(cp->lval, CF_REMACCESS_BODIES[cfs_encrypted].lval) == 0)
            {
                ap->encrypt = true;
            }

            break;

        case CF_LIST:

            for (rp = (Rlist *) cp->rval.item; rp != NULL; rp = rp->next)
            {
                if (strcmp(cp->lval, CF_REMACCESS_BODIES[cfs_admit].lval) == 0)
                {
                    PrependItem(&(ap->accesslist), rp->item, NULL);
                    continue;
                }

                if (strcmp(cp->lval, CF_REMACCESS_BODIES[cfs_deny].lval) == 0)
                {
                    PrependItem(&(dp->accesslist), rp->item, NULL);
                    continue;
                }

                if (strcmp(cp->lval, CF_REMACCESS_BODIES[cfs_maproot].lval) == 0)
                {
                    PrependItem(&(ap->maproot), rp->item, NULL);
                    continue;
                }
            }
            break;

        case CF_FNCALL:
            /* Shouldn't happen */
            break;
        }
    }
}
Ejemplo n.º 9
0
void KeepFileAccessPromise(struct Promise *pp)

{ struct Constraint *cp;
  struct Rlist *rp;
  struct Auth *ap,*dp;
  char *val;

if (strlen(pp->promiser) != 1)
   {
   DeleteSlash(pp->promiser);
   }

if (!GetAuthPath(pp->promiser,VADMIT))
   {
   InstallServerAuthPath(pp->promiser,&VADMIT,&VADMITTOP);
   }

if (!GetAuthPath(pp->promiser,VDENY))
   {
   InstallServerAuthPath(pp->promiser,&VDENY,&VDENYTOP);
   }

ap = GetAuthPath(pp->promiser,VADMIT);
dp = GetAuthPath(pp->promiser,VDENY);

for (cp = pp->conlist; cp != NULL; cp = cp->next)
   {
   if (!IsDefinedClass(cp->classes))
      {
      continue;
      }

   switch (cp->type)
      {
      case CF_SCALAR:

          val = (char *)cp->rval;

          if (strcmp(cp->lval,CF_REMACCESS_BODIES[cfs_encrypted].lval) == 0)
             {
             ap->encrypt = true;
             }
             
          break;

      case CF_LIST:
          
          for (rp = (struct Rlist *)cp->rval; rp != NULL; rp=rp->next)
             {
             if (strcmp(cp->lval,CF_REMACCESS_BODIES[cfs_admit].lval) == 0)
                {
                PrependItem(&(ap->accesslist),rp->item,NULL);
                continue;
                }
             
             if (strcmp(cp->lval,CF_REMACCESS_BODIES[cfs_deny].lval) == 0)
                {
                PrependItem(&(dp->accesslist),rp->item,NULL);
                continue;
                }

             if (strcmp(cp->lval,CF_REMACCESS_BODIES[cfs_maproot].lval) == 0)
                {
                PrependItem(&(ap->maproot),rp->item,NULL);
                continue;
                }
             }
          break;

      case CF_FNCALL:
          /* Shouldn't happen */
          break;
      }
   }
}