diff options
Diffstat (limited to 'src/lib/pol/cacep_simple_auth.c')
| -rw-r--r-- | src/lib/pol/cacep_simple_auth.c | 190 |
1 files changed, 0 insertions, 190 deletions
diff --git a/src/lib/pol/cacep_simple_auth.c b/src/lib/pol/cacep_simple_auth.c deleted file mode 100644 index 69189114..00000000 --- a/src/lib/pol/cacep_simple_auth.c +++ /dev/null @@ -1,190 +0,0 @@ -/* - * Ouroboros - Copyright (C) 2016 - 2017 - * - * Simple authentication policy for CACEP - * - * Dimitri Staessens <[email protected]> - * Sander Vrijders <[email protected]> - * - * 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/dev.h> -#include <ouroboros/errno.h> - -#include "cacep_proto.h" -#include "cacep_simple_auth.h" - -#include <stdlib.h> -#include <string.h> - -#include "cacep_simple_auth.pb-c.h" -typedef CacepSimpleAuthMsg cacep_simple_auth_msg_t; -typedef CacepProtoMsg cacep_proto_msg_t; - -#define BUF_SIZE 2048 - -static struct conn_info * read_msg(int fd) -{ - struct conn_info * tmp; - uint8_t buf[BUF_SIZE]; - cacep_simple_auth_msg_t * msg; - ssize_t len; - - len = flow_read(fd, buf, BUF_SIZE); - if (len < 0) - return NULL; - - msg = cacep_simple_auth_msg__unpack(NULL, len, buf); - if (msg == NULL) - return NULL; - - tmp = malloc(sizeof(*tmp)); - if (tmp == NULL) { - cacep_simple_auth_msg__free_unpacked(msg, NULL); - return NULL; - } - - conn_info_init(tmp); - - tmp->addr = msg->addr; - tmp->name = strdup(msg->name); - if (tmp->name == NULL) { - free(tmp); - cacep_simple_auth_msg__free_unpacked(msg, NULL); - return NULL; - } - - tmp->proto.protocol = strdup(msg->proto->protocol); - if (tmp->proto.protocol == NULL) { - conn_info_fini(tmp); - free(tmp); - cacep_simple_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) { - conn_info_fini(tmp); - free(tmp); - cacep_simple_auth_msg__free_unpacked(msg, NULL); - return NULL; - } - - cacep_simple_auth_msg__free_unpacked(msg, NULL); - - return tmp; -} - -static int send_msg(int fd, - const struct conn_info * info) -{ - cacep_simple_auth_msg_t msg = CACEP_SIMPLE_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; - msg.name = info->name; - msg.addr = info->addr; - - len = cacep_simple_auth_msg__get_packed_size(&msg); - if (len == 0) - return -1; - - data = malloc(len); - if (data == NULL) - return -ENOMEM; - - cacep_simple_auth_msg__pack(&msg, data); - - if (flow_write(fd, data, len) < 0) - ret = -1; - - free(data); - - return ret; -} - -struct conn_info * cacep_simple_auth_auth(int fd, - const struct conn_info * info, - const void * auth) -{ - struct conn_info * tmp; - - assert(info); - - /* This policy does not need info to authenticate */ - (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_simple_auth_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; -} |