diff options
Diffstat (limited to 'ctrl/facemgr/src/face.c')
| -rw-r--r-- | ctrl/facemgr/src/face.c | 262 |
1 files changed, 0 insertions, 262 deletions
diff --git a/ctrl/facemgr/src/face.c b/ctrl/facemgr/src/face.c deleted file mode 100644 index 270a6fa9f..000000000 --- a/ctrl/facemgr/src/face.c +++ /dev/null @@ -1,262 +0,0 @@ -/* - * Copyright (c) 2017-2019 Cisco and/or its affiliates. - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at: - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -/** - * \file face.c - * \brief Implementation of face abstraction - */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> - -#include "face.h" -#include "util/hash.h" -#include "util/token.h" - -#ifndef bzero -#define bzero(b,len) (memset((b), '\0', (len)), (void) 0) -#endif - -#define member_size(type, member) sizeof(((type *)0)->member) - - -/* Netdevice */ - -const char * netdevice_type_str[] = { -#define _(x) [NETDEVICE_TYPE_ ## x] = STRINGIZE(x), -foreach_netdevice_type -#undef _ -}; - - -/* Face state */ - -const char * face_state_str[] = { -#define _(x) [FACE_STATE_ ## x] = STRINGIZE(x), -foreach_face_state -#undef _ -}; - - -/* Face type */ - -const char * face_type_str[] = { -#define _(x) [FACE_TYPE_ ## x] = STRINGIZE(x), -foreach_face_type -#undef _ -}; - - -/* Face */ - -int -face_initialize(face_t * face) -{ - bzero(face, sizeof(face_t)); /* 0'ed for hash */ - return 1; -} - -int -face_initialize_udp(face_t * face, const ip_address_t * local_addr, - u16 local_port, const ip_address_t * remote_addr, u16 remote_port, - int family) -{ - if (!local_addr) - return -1; - - *face = (face_t) { - .type = FACE_TYPE_UDP, - .params.tunnel = { - .family = family, - .local_addr = *local_addr, - .local_port = local_port, - .remote_addr = remote_addr ? *remote_addr : IP_ADDRESS_EMPTY, - .remote_port = remote_port, - }, - }; - return 1; -} - -int -face_initialize_udp_sa(face_t * face, const struct sockaddr * local_addr, - const struct sockaddr * remote_addr) -{ - if (!local_addr) - return -1; - - if (remote_addr && (local_addr->sa_family != remote_addr->sa_family)) - return -1; - - switch (local_addr->sa_family) { - case AF_INET: - { - struct sockaddr_in *lsai = (struct sockaddr_in *)local_addr; - struct sockaddr_in *rsai = (struct sockaddr_in *)remote_addr; - *face = (face_t) { - .type = FACE_TYPE_UDP, - .params.tunnel = { - .family = AF_INET, - .local_addr.v4.as_inaddr = lsai->sin_addr, - .local_port = lsai ? ntohs(lsai->sin_port) : 0, - .remote_addr = IP_ADDRESS_EMPTY, - .remote_port = rsai ? ntohs(rsai->sin_port) : 0, - }, - }; - if (rsai) - face->params.tunnel.remote_addr.v4.as_inaddr = rsai->sin_addr; - } - break; - case AF_INET6: - { - struct sockaddr_in6 *lsai = (struct sockaddr_in6 *)local_addr; - struct sockaddr_in6 *rsai = (struct sockaddr_in6 *)remote_addr; - *face = (face_t) { - .type = FACE_TYPE_UDP, - .params.tunnel = { - .family = AF_INET6, - .local_addr.v6.as_in6addr = lsai->sin6_addr, - .local_port = lsai ? ntohs(lsai->sin6_port) : 0, - .remote_addr = IP_ADDRESS_EMPTY, - .remote_port = rsai ? ntohs(rsai->sin6_port) : 0, - }, - }; - if (rsai) - face->params.tunnel.remote_addr.v6.as_in6addr = rsai->sin6_addr; - } - break; - default: - return -1; - } - return 1; -} - -face_t * face_create() -{ - face_t * face = calloc(1, sizeof(face_t)); /* 0'ed for hash */ - return face; -} - -face_t * face_create_udp(const ip_address_t * local_addr, u16 local_port, - const ip_address_t * remote_addr, u16 remote_port, int family) -{ - face_t * face = face_create(); - if (face_initialize_udp(face, local_addr, local_port, remote_addr, remote_port, family) < 0) - goto ERR_INIT; - return face; - -ERR_INIT: - free(face); - return NULL; -} - -face_t * face_create_udp_sa(const struct sockaddr * local_addr, - const struct sockaddr * remote_addr) -{ - face_t * face = face_create(); - if (face_initialize_udp_sa(face, local_addr, remote_addr) < 0) - goto ERR_INIT; - return face; - -ERR_INIT: - free(face); - return NULL; -} - -void face_free(face_t * face) -{ - free(face); -} - -#define face_param_cmp(f1, f2, face_param_type) \ - memcmp(&f1->type, &f2->type, \ - member_size(face_params_t, face_param_type)); - -/** - * \brief Compare two faces - * \param [in] f1 - First face - * \param [in] f2 - Second face - * \return whether faces are equal, ie both their types are parameters are - * equal. - * - * NOTE: this function implements a partial order. - */ -int -face_cmp(const face_t * f1, const face_t * f2) -{ - if (f1->type != f2->type) - return false; - - switch(f1->type) { - case FACE_TYPE_HICN: - return face_param_cmp(f1, f2, hicn); - case FACE_TYPE_TCP: - case FACE_TYPE_UDP: - return face_param_cmp(f1, f2, tunnel); - default: - return false; - } -} - -hash_t -face_hash(const face_t * face) -{ - /* Assuming the unused part of the struct is set to zero */ - return hash_struct(face); -} - -/* /!\ Please update constants in header file upon changes */ -size_t -face_snprintf(char * s, size_t size, const face_t * face) -{ - switch(face->type) { - case FACE_TYPE_HICN: - return 0; // XXX Not implemented - case FACE_TYPE_TCP: - case FACE_TYPE_UDP: - { - char local[MAXSZ_IP_ADDRESS]; - char remote[MAXSZ_IP_ADDRESS]; - char tags[MAXSZ_POLICY_TAGS]; - - ip_address_snprintf(local, MAXSZ_IP_ADDRESS, - &face->params.tunnel.local_addr, - face->params.tunnel.family); - ip_address_snprintf(remote, MAXSZ_IP_ADDRESS, - &face->params.tunnel.remote_addr, - face->params.tunnel.family); - policy_tags_snprintf(tags, MAXSZ_POLICY_TAGS, face->tags); - - return snprintf(s, size, "%s [%s:%d -> %s:%d] [%s]", - face_type_str[face->type], - local, - face->params.tunnel.local_port, - remote, - face->params.tunnel.remote_port, - tags); - } - break; - default: - return 0; - } - -} - -int -face_set_tags(face_t * face, policy_tags_t tags) -{ - face->tags = tags; - return 1; -} |