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authordimitri staessens <dimitri.staessens@intec.ugent.be>2017-02-27 19:01:12 +0000
committerSander Vrijders <sander.vrijders@intec.ugent.be>2017-02-27 19:01:12 +0000
commit6450c9d385ff9ec5234a489130a45378cafb8a6e (patch)
tree6270bf43428fe4e33594a86245b68503a4cca756 /src/lib/pol/cacep_anonymous_auth.c
parent7baebbfc117e3b349f397d4675c49a582d13653a (diff)
parentd06cb62e111be1ac3f09398ae559f99e4833b4bf (diff)
downloadouroboros-6450c9d385ff9ec5234a489130a45378cafb8a6e.tar.gz
ouroboros-6450c9d385ff9ec5234a489130a45378cafb8a6e.zip
Merged in dstaesse/ouroboros/be-cacep (pull request #393)
lib: Split authentication from CACEP
Diffstat (limited to 'src/lib/pol/cacep_anonymous_auth.c')
-rw-r--r--src/lib/pol/cacep_anonymous_auth.c209
1 files changed, 0 insertions, 209 deletions
diff --git a/src/lib/pol/cacep_anonymous_auth.c b/src/lib/pol/cacep_anonymous_auth.c
deleted file mode 100644
index 44c7bd17..00000000
--- a/src/lib/pol/cacep_anonymous_auth.c
+++ /dev/null
@@ -1,209 +0,0 @@
-/*
- * Ouroboros - Copyright (C) 2016 - 2017
- *
- * Anonymous policy for CACEP
- *
- * Dimitri Staessens <dimitri.staessens@ugent.be>
- * Sander Vrijders <sander.vrijders@ugent.be>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * version 2.1 as published by the Free Software Foundation.
- *
- * This library 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301 USA
- */
-
-#include <ouroboros/config.h>
-#include <ouroboros/cacep.h>
-#include <ouroboros/time_utils.h>
-#include <ouroboros/dev.h>
-#include <ouroboros/errno.h>
-
-#include "cacep_proto.h"
-#include "cacep_anonymous_auth.h"
-
-#include <stdlib.h>
-#include <math.h>
-#include <string.h>
-#include <stdio.h>
-
-#include "cacep_anonymous_auth.pb-c.h"
-typedef CacepAnonymousAuthMsg cacep_anonymous_auth_msg_t;
-typedef CacepProtoMsg cacep_proto_msg_t;
-
-#define BUF_SIZE 2048
-#define NAME_LEN 8
-
-/* this policy generates a hex string */
-static struct conn_info * anonymous_info(void)
-{
- struct conn_info * info;
- struct timespec t;
-
- info = malloc(sizeof(*info));
- if (info == NULL)
- return NULL;
-
- conn_info_init(info);
-
- info->name = malloc(NAME_LEN + 1);
- if (info->name == NULL) {
- free(info);
- return NULL;
- }
-
- clock_gettime(CLOCK_REALTIME, &t);
- srand(t.tv_nsec);
-
- sprintf(info->name, "%8x",
- (uint32_t)((rand() % RAND_MAX) & 0xFFFFFFFF));
-
- info->addr = 0;
-
- return info;
-}
-
-static struct conn_info * read_msg(int fd)
-{
- struct conn_info * tmp;
- uint8_t buf[BUF_SIZE];
- cacep_anonymous_auth_msg_t * msg;
- ssize_t len;
-
- len = flow_read(fd, buf, BUF_SIZE);
- if (len < 0)
- return NULL;
-
- msg = cacep_anonymous_auth_msg__unpack(NULL, len, buf);
- if (msg == NULL)
- return NULL;
-
- tmp = anonymous_info();
- if (tmp == NULL) {
- cacep_anonymous_auth_msg__free_unpacked(msg, NULL);
- return NULL;
- }
-
- tmp->proto.protocol = strdup(msg->proto->protocol);
- if (tmp->proto.protocol == NULL) {
- free(tmp);
- cacep_anonymous_auth_msg__free_unpacked(msg, NULL);
- return NULL;
- }
-
- tmp->proto.pref_version = msg->proto->pref_version;
- tmp->proto.pref_syntax = code_to_syntax(msg->proto->pref_syntax);
- if (tmp->proto.pref_syntax < 0) {
- free(tmp->proto.protocol);
- free(tmp);
- cacep_anonymous_auth_msg__free_unpacked(msg, NULL);
- return NULL;
- }
-
- cacep_anonymous_auth_msg__free_unpacked(msg, NULL);
-
- return tmp;
-}
-
-static int send_msg(int fd,
- const struct conn_info * info)
-{
- cacep_anonymous_auth_msg_t msg = CACEP_ANONYMOUS_AUTH_MSG__INIT;
- cacep_proto_msg_t cmsg = CACEP_PROTO_MSG__INIT;
- int ret = 0;
- uint8_t * data = NULL;
- size_t len = 0;
-
- cmsg.protocol = info->proto.protocol;
- cmsg.pref_version = info->proto.pref_version;
- cmsg.pref_syntax = syntax_to_code(info->proto.pref_syntax);
- if (cmsg.pref_syntax < 0)
- return -1;
-
- msg.proto = &cmsg;
-
- len = cacep_anonymous_auth_msg__get_packed_size(&msg);
- if (len == 0)
- return -1;
-
- data = malloc(len);
- if (data == NULL)
- return -ENOMEM;
-
- cacep_anonymous_auth_msg__pack(&msg, data);
-
- if (flow_write(fd, data, len) < 0)
- ret = -1;
-
- free(data);
-
- return ret;
-}
-
-struct conn_info * cacep_anonymous_auth(int fd,
- const struct conn_info * info,
- const void * auth)
-{
- struct conn_info * tmp;
-
- assert(info);
-
- (void) auth;
-
- if (send_msg(fd, info))
- return NULL;
-
- tmp = read_msg(fd);
- if (tmp == NULL)
- return NULL;
-
- if (strcmp(info->proto.protocol, tmp->proto.protocol) ||
- info->proto.pref_version != tmp->proto.pref_version ||
- info->proto.pref_syntax != tmp->proto.pref_syntax) {
- conn_info_fini(tmp);
- free(tmp);
- return NULL;
- }
-
- return tmp;
-}
-
-
-struct conn_info * cacep_anonymous_auth_wait(int fd,
- const struct conn_info * info,
- const void * auth)
-{
- struct conn_info * tmp;
-
- assert(info);
-
- (void) auth;
-
- tmp = read_msg(fd);
- if (tmp == NULL)
- return NULL;
-
- if (send_msg(fd, info)) {
- conn_info_fini(tmp);
- free(tmp);
- return NULL;
- }
-
- if (strcmp(info->proto.protocol, tmp->proto.protocol) ||
- info->proto.pref_version != tmp->proto.pref_version ||
- info->proto.pref_syntax != tmp->proto.pref_syntax) {
- conn_info_fini(tmp);
- free(tmp);
- return NULL;
- }
-
- return tmp;
-}