void commandCommand(client *c) {
    dictIterator *di;
    dictEntry *de;

    if (c->argc == 1) {
        addReplyMultiBulkLen(c, dictSize(server.commands));
        di = dictGetIterator(server.commands);
        while ((de = dictNext(di)) != NULL) {
            addReplyCommand(c, dictGetVal(de));
        }
        dictReleaseIterator(di);
    } else if (!strcasecmp(c->argv[1]->ptr, "info")) {
        int i;
        addReplyMultiBulkLen(c, c->argc-2);
        for (i = 2; i < c->argc; i++) {
            addReplyCommand(c, dictFetchValue(server.commands, c->argv[i]->ptr));
        }
    } else if (!strcasecmp(c->argv[1]->ptr, "count") && c->argc == 2) {
        addReplyLongLong(c, dictSize(server.commands));
    } else if (!strcasecmp(c->argv[1]->ptr,"getkeys") && c->argc >= 3) {
        struct redisCommand *cmd = lookupCommand(c->argv[2]->ptr);
        int *keys, numkeys, j;

        if (!cmd) {
            addReplyErrorFormat(c,"Invalid command specified");
            return;
        } else if ((cmd->arity > 0 && cmd->arity != c->argc-2) ||
                   ((c->argc-2) < -cmd->arity))
        {
            addReplyError(c,"Invalid number of arguments specified for command");
            return;
        }

        keys = getKeysFromCommand(cmd,c->argv+2,c->argc-2,&numkeys);
        addReplyMultiBulkLen(c,numkeys);
        for (j = 0; j < numkeys; j++) addReplyBulk(c,c->argv[keys[j]+2]);
        getKeysFreeResult(keys);
    } else {
        addReplyError(c, "Unknown subcommand or wrong number of arguments.");
        return;
    }
}

This label identifies security gaps where expected security features are missing or only partially implemented, reducing protection against unauthorized access or manipulation.