Beispiel #1
0
void RvalDestroy(Rval rval)
{
    Rlist *clist, *next = NULL;

    CfDebug("DeleteRvalItem(%c)", rval.type);

    if (DEBUG)
    {
        RvalShow(stdout, rval);
    }

    CfDebug("\n");

    if (rval.item == NULL)
    {
        CfDebug("DeleteRval NULL\n");
        return;
    }

    switch (rval.type)
    {
    case RVAL_TYPE_SCALAR:

        ThreadLock(cft_lock);
        free((char *) rval.item);
        ThreadUnlock(cft_lock);
        break;

    case RVAL_TYPE_LIST:

        /* rval is now a list whose first item is clist->item */

        for (clist = (Rlist *) rval.item; clist != NULL; clist = next)
        {

            next = clist->next;

            if (clist->item)
            {
                RvalDestroy((Rval) {clist->item, clist->type});
            }

            free(clist);
        }

        break;

    case RVAL_TYPE_FNCALL:

        FnCallDestroy((FnCall *) rval.item);
        break;

    default:
        CfDebug("Nothing to do\n");
        return;
    }
}
Beispiel #2
0
void ArgTemplate(FnCall *fp, const FnCallArg *argtemplate, Rlist *realargs)
{
    int argnum, i;
    Rlist *rp = fp->args;
    char id[CF_BUFSIZE], output[CF_BUFSIZE];
    const FnCallType *fn = FnCallTypeGet(fp->name);

    snprintf(id, CF_MAXVARSIZE, "built-in FnCall %s-arg", fp->name);

    for (argnum = 0; rp != NULL && argtemplate[argnum].pattern != NULL; argnum++)
    {
        if (rp->type != RVAL_TYPE_FNCALL)
        {
            /* Nested functions will not match to lval so don't bother checking */
            SyntaxTypeMatch err = CheckConstraintTypeMatch(id, (Rval) {rp->item, rp->type}, argtemplate[argnum].dtype, argtemplate[argnum].pattern, 1);
            if (err != SYNTAX_TYPE_MATCH_OK && err != SYNTAX_TYPE_MATCH_ERROR_UNEXPANDED)
            {
                FatalError("in %s: %s", id, SyntaxTypeMatchToString(err));
            }
        }

        rp = rp->next;
    }

    if (argnum != RlistLen(realargs) && !fn->varargs)
    {
        snprintf(output, CF_BUFSIZE, "Argument template mismatch handling function %s(", fp->name);
        RlistShow(stderr, realargs);
        fprintf(stderr, ")\n");

        for (i = 0, rp = realargs; i < argnum; i++)
        {
            printf("  arg[%d] range %s\t", i, argtemplate[i].pattern);
            if (rp != NULL)
            {
                RvalShow(stdout, (Rval) {rp->item, rp->type});
                rp = rp->next;
            }
            else
            {
                printf(" ? ");
            }
            printf("\n");
        }

        FatalError("Bad arguments");
    }

    for (rp = realargs; rp != NULL; rp = rp->next)
    {
        CfDebug("finalarg: %s\n", (char *) rp->item);
    }

    CfDebug("End ArgTemplate\n");
}
Beispiel #3
0
static FnCallResult CallFunction(EvalContext *ctx, FnCall *fp, Rlist *expargs)
{
    Rlist *rp = fp->args;
    const FnCallType *fncall_type = FnCallTypeGet(fp->name);

    int argnum = 0;
    for (argnum = 0; rp != NULL && fncall_type->args[argnum].pattern != NULL; argnum++)
    {
        if (rp->val.type != RVAL_TYPE_FNCALL)
        {
            /* Nested functions will not match to lval so don't bother checking */
            SyntaxTypeMatch err = CheckConstraintTypeMatch(fp->name, rp->val,
                                                           fncall_type->args[argnum].dtype,
                                                           fncall_type->args[argnum].pattern, 1);
            if (err != SYNTAX_TYPE_MATCH_OK && err != SYNTAX_TYPE_MATCH_ERROR_UNEXPANDED)
            {
                FatalError(ctx, "In function '%s', '%s'", fp->name, SyntaxTypeMatchToString(err));
            }
        }

        rp = rp->next;
    }

    char output[CF_BUFSIZE];
    if (argnum != RlistLen(expargs) && !(fncall_type->options & FNCALL_OPTION_VARARG))
    {
        snprintf(output, CF_BUFSIZE, "Argument template mismatch handling function %s(", fp->name);
        RlistShow(stderr, expargs);
        fprintf(stderr, ")\n");

        rp = expargs;
        for (int i = 0; i < argnum; i++)
        {
            printf("  arg[%d] range %s\t", i, fncall_type->args[i].pattern);
            if (rp != NULL)
            {
                RvalShow(stdout, rp->val);
                rp = rp->next;
            }
            else
            {
                printf(" ? ");
            }
            printf("\n");
        }

        FatalError(ctx, "Bad arguments");
    }


    return (*fncall_type->impl) (ctx, fp, expargs);
}
Beispiel #4
0
void PromiseBanner(Promise *pp)
{
    char handle[CF_MAXVARSIZE];
    const char *sp;

    if ((sp = PromiseGetHandle(pp)) || (sp = PromiseID(pp)))
    {
        strncpy(handle, sp, CF_MAXVARSIZE - 1);
    }
    else
    {
        strcpy(handle, "(enterprise only)");
    }

    CfOut(OUTPUT_LEVEL_VERBOSE, "", "\n");
    CfOut(OUTPUT_LEVEL_VERBOSE, "", "    .........................................................\n");

    if (VERBOSE || DEBUG)
    {
        printf("%s>     Promise's handle: %s\n", VPREFIX, handle);
        printf("%s>     Promise made by: \"%s\"", VPREFIX, pp->promiser);
    }

    if (pp->promisee.item)
    {
        if (VERBOSE)
        {
            printf("\n%s>     Promise made to (stakeholders): ", VPREFIX);
            RvalShow(stdout, pp->promisee);
        }
    }

    if (VERBOSE)
    {
        printf("\n");
    }

    if (pp->ref)
    {
        CfOut(OUTPUT_LEVEL_VERBOSE, "", "\n");
        CfOut(OUTPUT_LEVEL_VERBOSE, "", "    Comment:  %s\n", pp->ref);
    }

    CfOut(OUTPUT_LEVEL_VERBOSE, "", "    .........................................................\n");
    CfOut(OUTPUT_LEVEL_VERBOSE, "", "\n");
}
Beispiel #5
0
static void KeepPromiseBundles(Policy *policy, GenericAgentConfig *config, const ReportContext *report_context)
{
    Bundle *bp;
    Rlist *rp, *params;
    FnCall *fp;
    char *name;
    Rval retval;
    int ok = true;

    if (config->bundlesequence)
    {
        CfOut(OUTPUT_LEVEL_INFORM, "", " >> Using command line specified bundlesequence");
        retval = (Rval) {
            config->bundlesequence, RVAL_TYPE_LIST
        };
    }
    else if (GetVariable("control_common", "bundlesequence", &retval) == DATA_TYPE_NONE)
    {
        // TODO: somewhat frenzied way of telling user about an error
        CfOut(OUTPUT_LEVEL_ERROR, "", " !! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!");
        CfOut(OUTPUT_LEVEL_ERROR, "", " !! No bundlesequence in the common control body");
        CfOut(OUTPUT_LEVEL_ERROR, "", " !! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!");
        exit(1);
    }

    // TODO: should've been checked a long time ago, remove?
    if (retval.type != RVAL_TYPE_LIST)
    {
        FatalError("Promised bundlesequence was not a list");
    }

    for (rp = (Rlist *) retval.item; rp != NULL; rp = rp->next)
    {
        switch (rp->type)
        {
        case RVAL_TYPE_SCALAR:
            name = (char *) rp->item;
            params = NULL;

            if (strcmp(name, CF_NULL_VALUE) == 0)
            {
                continue;
            }

            break;
        case RVAL_TYPE_FNCALL:
            fp = (FnCall *) rp->item;
            name = (char *) fp->name;
            params = (Rlist *) fp->args;
            break;

        default:
            name = NULL;
            params = NULL;
            CfOut(OUTPUT_LEVEL_ERROR, "", "Illegal item found in bundlesequence: ");
            RvalShow(stdout, (Rval) {
                rp->item, rp->type
            });
            printf(" = %c\n", rp->type);
            ok = false;
            break;
        }

        if (!config->ignore_missing_bundles)
        {
            if (!(PolicyGetBundle(policy, NULL, "agent", name) || (PolicyGetBundle(policy, NULL, "common", name))))
            {
                CfOut(OUTPUT_LEVEL_ERROR, "", "Bundle \"%s\" listed in the bundlesequence was not found\n", name);
                ok = false;
            }
        }
    }

    if (!ok)
    {
        FatalError("Errors in agent bundles");
    }

    if (VERBOSE || DEBUG)
    {
        printf("%s> -> Bundlesequence => ", VPREFIX);
        RvalShow(stdout, retval);
        printf("\n");
    }

    /* If all is okay, go ahead and evaluate */

    for (rp = (Rlist *) retval.item; rp != NULL; rp = rp->next)
    {
        switch (rp->type)
        {
        case RVAL_TYPE_FNCALL:
            fp = (FnCall *) rp->item;
            name = (char *) fp->name;
            params = (Rlist *) fp->args;
            break;
        default:
            name = (char *) rp->item;
            params = NULL;
            break;
        }

        if ((bp = PolicyGetBundle(policy, NULL, "agent", name)) || (bp = PolicyGetBundle(policy, NULL, "common", name)))
        {
            char ns[CF_BUFSIZE];
            snprintf(ns,CF_BUFSIZE,"%s_meta", name);
            NewScope(ns);

            SetBundleOutputs(bp->name);
            AugmentScope(bp->name, bp->ns, bp->args, params);
            BannerBundle(bp, params);
            THIS_BUNDLE = bp->name;
            DeletePrivateClassContext();        // Each time we change bundle
            ScheduleAgentOperations(bp, report_context);
            ResetBundleOutputs(bp->name);
        }
    }
}
Beispiel #6
0
Promise *DeRefCopyPromise(EvalContext *ctx, const Promise *pp)
{
    Promise *pcopy;
    Rval returnval;

    if (pp->promisee.item)
    {
        CfDebug("CopyPromise(%s->", pp->promiser);
        if (DEBUG)
        {
            RvalShow(stdout, pp->promisee);
        }
        CfDebug("\n");
    }
    else
    {
        CfDebug("CopyPromise(%s->)\n", pp->promiser);
    }

    pcopy = xcalloc(1, sizeof(Promise));

    if (pp->promiser)
    {
        pcopy->promiser = xstrdup(pp->promiser);
    }

    if (pp->promisee.item)
    {
        pcopy->promisee = RvalCopy(pp->promisee);
        if (pcopy->promisee.type == RVAL_TYPE_LIST)
        {
            Rlist *rval_list = RvalRlistValue(pcopy->promisee);
            RlistFlatten(ctx, &rval_list);
            pcopy->promisee.item = rval_list;
        }
    }

    if (pp->classes)
    {
        pcopy->classes = xstrdup(pp->classes);
    }

/* FIXME: may it happen? */
    if ((pp->promisee.item != NULL && pcopy->promisee.item == NULL))
    {
        ProgrammingError("Unable to copy promise");
    }

    pcopy->parent_promise_type = pp->parent_promise_type;
    pcopy->offset.line = pp->offset.line;
    pcopy->comment = pp->comment ? xstrdup(pp->comment) : NULL;
    pcopy->has_subbundles = pp->has_subbundles;
    pcopy->conlist = SeqNew(10, ConstraintDestroy);
    pcopy->org_pp = pp->org_pp;
    pcopy->offset = pp->offset;

    CfDebug("Copying promise constraints\n\n");

/* No further type checking should be necessary here, already done by CheckConstraintTypeMatch */

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

        Body *bp = NULL;
        FnCall *fp = NULL;
        char *bodyname = NULL;

        /* A body template reference could look like a scalar or fn to the parser w/w () */
        Policy *policy = PolicyFromPromise(pp);
        Seq *bodies = policy ? policy->bodies : NULL;

        switch (cp->rval.type)
        {
        case RVAL_TYPE_SCALAR:
            bodyname = (char *) cp->rval.item;
            if (cp->references_body)
            {
                bp = IsBody(bodies, PromiseGetNamespace(pp), bodyname);
            }
            fp = NULL;
            break;
        case RVAL_TYPE_FNCALL:
            fp = (FnCall *) cp->rval.item;
            bodyname = fp->name;
            bp = IsBody(bodies, PromiseGetNamespace(pp), bodyname);
            break;
        default:
            bp = NULL;
            fp = NULL;
            bodyname = NULL;
            break;
        }

        /* First case is: we have a body template to expand lval = body(args), .. */

        if (bp)
        {
            EvalContextStackPushBodyFrame(ctx, bp);

            if (strcmp(bp->type, cp->lval) != 0)
            {
                Log(LOG_LEVEL_ERR,
                      "Body type mismatch for body reference \"%s\" in promise at line %zu of %s (%s != %s)\n",
                      bodyname, pp->offset.line, PromiseGetBundle(pp)->source_path, bp->type, cp->lval);
            }

            /* Keep the referent body type as a boolean for convenience when checking later */

            {
                Constraint *cp_copy = PromiseAppendConstraint(pcopy, cp->lval, (Rval) {xstrdup("true"), RVAL_TYPE_SCALAR }, cp->classes, false);
                cp_copy->offset = cp->offset;
            }


            CfDebug("Handling body-lval \"%s\"\n", cp->lval);

            if (bp->args != NULL)
            {
                /* There are arguments to insert */

                if (fp == NULL || fp->args == NULL)
                {
                    Log(LOG_LEVEL_ERR, "Argument mismatch for body reference \"%s\" in promise at line %zu of %s",
                          bodyname, pp->offset.line, PromiseGetBundle(pp)->source_path);
                }

                if (fp && bp && fp->args && bp->args && !ScopeMapBodyArgs(ctx, "body", fp->args, bp->args))
                {
                    Log(LOG_LEVEL_ERR,
                          "Number of arguments does not match for body reference \"%s\" in promise at line %zu of %s\n",
                          bodyname, pp->offset.line, PromiseGetBundle(pp)->source_path);
                }

                for (size_t k = 0; k < SeqLength(bp->conlist); k++)
                {
                    Constraint *scp = SeqAt(bp->conlist, k);

                    CfDebug("Doing arg-mapped sublval = %s (promises.c)\n", scp->lval);
                    returnval = ExpandPrivateRval(ctx, "body", scp->rval);
                    {
                        Constraint *scp_copy = PromiseAppendConstraint(pcopy, scp->lval, returnval, scp->classes, false);
                        scp_copy->offset = scp->offset;
                    }
                }

                ScopeClear("body");
            }
            else
            {
                /* No arguments to deal with or body undeclared */

                if (fp != NULL)
                {
                    Log(LOG_LEVEL_ERR,
                          "An apparent body \"%s()\" was undeclared or could have incorrect args, but used in a promise near line %zu of %s (possible unquoted literal value)",
                          bodyname, pp->offset.line, PromiseGetBundle(pp)->source_path);
                }
                else
                {
                    for (size_t k = 0; k < SeqLength(bp->conlist); k++)
                    {
                        Constraint *scp = SeqAt(bp->conlist, k);

                        CfDebug("Doing sublval = %s (promises.c)\n", scp->lval);

                        Rval newrv = RvalCopy(scp->rval);
                        if (newrv.type == RVAL_TYPE_LIST)
                        {
                            Rlist *new_list = RvalRlistValue(newrv);
                            RlistFlatten(ctx, &new_list);
                            newrv.item = new_list;
                        }

                        {
                            Constraint *scp_copy = PromiseAppendConstraint(pcopy, scp->lval, newrv, scp->classes, false);
                            scp_copy->offset = scp->offset;
                        }
                    }
                }
            }

            EvalContextStackPopFrame(ctx);
        }
        else
        {
            Policy *policy = PolicyFromPromise(pp);

            if (cp->references_body && !IsBundle(policy->bundles, bodyname))
            {
                Log(LOG_LEVEL_ERR,
                      "Apparent body \"%s()\" was undeclared, but used in a promise near line %zu of %s (possible unquoted literal value)",
                      bodyname, pp->offset.line, PromiseGetBundle(pp)->source_path);
            }

            Rval newrv = RvalCopy(cp->rval);
            if (newrv.type == RVAL_TYPE_LIST)
            {
                Rlist *new_list = RvalRlistValue(newrv);
                RlistFlatten(ctx, &new_list);
                newrv.item = new_list;
            }

            {
                Constraint *cp_copy = PromiseAppendConstraint(pcopy, cp->lval, newrv, cp->classes, false);
                cp_copy->offset = cp->offset;
            }
        }
    }

    return pcopy;
}