From 11d2ecc140486949c8d81e984137263ca48d5799 Mon Sep 17 00:00:00 2001 From: Dimitri Staessens Date: Sat, 4 Dec 2021 15:35:36 +0100 Subject: ipcpd: Restructure policy code The policies were all in a single folder pol/, and have been moved to a folder per component/mechanism to keep things a bit more orderly. Signed-off-by: Dimitri Staessens Signed-off-by: Sander Vrijders --- src/ipcpd/unicast/addr-auth/flat.c | 87 ++++++++++++++++++++++++++++++++++++++ src/ipcpd/unicast/addr-auth/flat.h | 36 ++++++++++++++++ src/ipcpd/unicast/addr-auth/ops.h | 34 +++++++++++++++ 3 files changed, 157 insertions(+) create mode 100644 src/ipcpd/unicast/addr-auth/flat.c create mode 100644 src/ipcpd/unicast/addr-auth/flat.h create mode 100644 src/ipcpd/unicast/addr-auth/ops.h (limited to 'src/ipcpd/unicast/addr-auth') diff --git a/src/ipcpd/unicast/addr-auth/flat.c b/src/ipcpd/unicast/addr-auth/flat.c new file mode 100644 index 00000000..af245a5d --- /dev/null +++ b/src/ipcpd/unicast/addr-auth/flat.c @@ -0,0 +1,87 @@ +/* + * Ouroboros - Copyright (C) 2016 - 2021 + * + * Policy for flat addresses in a distributed way + * + * Dimitri Staessens + * Sander Vrijders + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., http://www.fsf.org/about/contact/. + */ + +#if defined(__linux__) || defined(__CYGWIN__) +#define _DEFAULT_SOURCE +#else +#define _POSIX_C_SOURCE 200112L +#endif + +#define OUROBOROS_PREFIX "flat-addr-auth" + +#include +#include +#include +#include + +#include "ipcp.h" +#include "flat.h" + +#include +#include +#include +#include +#include + +#define NAME_LEN 8 + +struct { + uint8_t addr_size; +} flat; + +#define INVALID_ADDRESS 0 + +struct addr_auth_ops flat_ops = { + .init = flat_init, + .fini = flat_fini, + .address = flat_address +}; + +int flat_init(const void * info) +{ + flat.addr_size = *((uint8_t *) info); + + if (flat.addr_size != 4) { + log_err("Flat address policy mandates 4 byte addresses."); + return -1; + } + + return 0; +} + +int flat_fini(void) +{ + return 0; +} + +uint64_t flat_address(void) +{ + struct timespec t; + uint32_t addr; + + clock_gettime(CLOCK_REALTIME, &t); + srand(t.tv_nsec); + + addr = (rand() % (RAND_MAX - 1) + 1) & 0xFFFFFFFF; + + return addr; +} diff --git a/src/ipcpd/unicast/addr-auth/flat.h b/src/ipcpd/unicast/addr-auth/flat.h new file mode 100644 index 00000000..96642dcc --- /dev/null +++ b/src/ipcpd/unicast/addr-auth/flat.h @@ -0,0 +1,36 @@ +/* + * Ouroboros - Copyright (C) 2016 - 2021 + * + * Policy for flat addresses in a distributed way + * + * Dimitri Staessens + * Sander Vrijders + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., http://www.fsf.org/about/contact/. + */ + +#ifndef OUROBOROS_IPCPD_UNICAST_FLAT_H +#define OUROBOROS_IPCPD_UNICAST_FLAT_H + +#include "ops.h" + +int flat_init(const void * info); + +int flat_fini(void); + +uint64_t flat_address(void); + +extern struct addr_auth_ops flat_ops; + +#endif /* OUROBOROS_IPCPD_UNICAST_FLAT_H */ diff --git a/src/ipcpd/unicast/addr-auth/ops.h b/src/ipcpd/unicast/addr-auth/ops.h new file mode 100644 index 00000000..e1069706 --- /dev/null +++ b/src/ipcpd/unicast/addr-auth/ops.h @@ -0,0 +1,34 @@ +/* + * Ouroboros - Copyright (C) 2016 - 2021 + * + * Address authority policy ops + * + * Dimitri Staessens + * Sander Vrijders + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., http://www.fsf.org/about/contact/. + */ + +#ifndef OUROBOROS_IPCPD_UNICAST_ADDR_AUTH_OPS_H +#define OUROBOROS_IPCPD_UNICAST_ADDR_AUTH_OPS_H + +struct addr_auth_ops { + int (* init)(const void * info); + + int (* fini)(void); + + uint64_t (* address)(void); +}; + +#endif /* OUROBOROS_IPCPD_UNICAST_ADDR_AUTH_OPS_H */ -- cgit v1.2.3