diff options
Diffstat (limited to 'src/lib')
| -rw-r--r-- | src/lib/CMakeLists.txt | 11 | ||||
| -rw-r--r-- | src/lib/cacep.c | 170 | ||||
| -rw-r--r-- | src/lib/cacep.proto | 29 | ||||
| -rw-r--r-- | src/lib/dif_config.proto | 7 | ||||
| -rw-r--r-- | src/lib/irm.c | 2 | 
5 files changed, 211 insertions, 8 deletions
| diff --git a/src/lib/CMakeLists.txt b/src/lib/CMakeLists.txt index cdd8abb1..688cf6f5 100644 --- a/src/lib/CMakeLists.txt +++ b/src/lib/CMakeLists.txt @@ -8,8 +8,8 @@ protobuf_generate_c(IRM_PROTO_SRCS IRM_PROTO_HDRS irmd_messages.proto)  protobuf_generate_c(IPCP_PROTO_SRCS IPCP_PROTO_HDRS ipcpd_messages.proto)  protobuf_generate_c(DIF_CONFIG_PROTO_SRCS DIF_CONFIG_PROTO_HDRS    dif_config.proto) -protobuf_generate_c(CDAP_PROTO_SRCS CDAP_PROTO_HDRS -  cdap.proto) +protobuf_generate_c(CDAP_PROTO_SRCS CDAP_PROTO_HDRS cdap.proto) +protobuf_generate_c(CACEP_PROTO_SRCS CACEP_PROTO_HDRS cacep.proto)  if(NOT APPLE)    find_library(LIBRT_LIBRARIES rt) @@ -28,6 +28,7 @@ endif()  set(SOURCE_FILES    # Add source files here    bitmap.c +  cacep.c    cdap.c    cdap_req.c    dev.c @@ -46,9 +47,9 @@ set(SOURCE_FILES    utils.c    ) -add_library(ouroboros SHARED ${SOURCE_FILES} -  ${IRM_PROTO_SRCS} ${IPCP_PROTO_SRCS} -  ${DIF_CONFIG_PROTO_SRCS} ${CDAP_PROTO_SRCS}) +add_library(ouroboros SHARED ${SOURCE_FILES} ${IRM_PROTO_SRCS} +  ${IPCP_PROTO_SRCS} ${DIF_CONFIG_PROTO_SRCS} +  ${CDAP_PROTO_SRCS} ${CACEP_PROTO_SRCS})  target_link_libraries(ouroboros ${LIBRT_LIBRARIES}    ${LIBPTHREAD_LIBRARIES} ${PROTOBUF_C_LIBRARY}) diff --git a/src/lib/cacep.c b/src/lib/cacep.c new file mode 100644 index 00000000..22c6137f --- /dev/null +++ b/src/lib/cacep.c @@ -0,0 +1,170 @@ +/* + * Ouroboros - Copyright (C) 2016 - 2017 + * + * The Common Application Connection Establishment Phase + * + *    Sander Vrijders <sander.vrijders@intec.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/dev.h> +#include <ouroboros/errno.h> + +#include <stdlib.h> +#include <string.h> + +#include "cacep.pb-c.h" +typedef Cacep cacep_t; + +#define BUF_SIZE 2048 + +struct cacep { +        int      fd; +        char *   name; +        uint64_t address; +}; + +struct cacep * cacep_create(int          fd, +                            const char * name, +                            uint64_t     address) +{ +        struct cacep * tmp; + +        tmp = malloc(sizeof(*tmp)); +        if (tmp == NULL) +                return NULL; + +        tmp->fd = fd; +        tmp->address = address; +        tmp->name = strdup(name); +        if (tmp->name == NULL) { +                free(tmp); +                return NULL; +        } + +        return tmp; +} + +int cacep_destroy(struct cacep * instance) +{ +        if (instance == NULL) +                return 0; + +        free(instance); + +        return 0; +} + +static struct cacep_info * read_msg(struct cacep * instance) +{ +        struct cacep_info * tmp; +        uint8_t             buf[BUF_SIZE]; +        cacep_t *           msg; +        ssize_t             len; + +        len = flow_read(instance->fd, buf, BUF_SIZE); +        if (len < 0) +                return NULL; + +        msg = cacep__unpack(NULL, len, buf); +        if (msg == NULL) +                return NULL; + +        tmp = malloc(sizeof(*tmp)); +        if (tmp == NULL) { +                cacep__free_unpacked(msg, NULL); +                return NULL; +        } + +        tmp->addr = msg->address; +        tmp->name = strdup(msg->name); +        if (tmp->name == NULL) { +                free(tmp); +                cacep__free_unpacked(msg, NULL); +                return NULL; +        } + +        cacep__free_unpacked(msg, NULL); + +        return tmp; +} + +static int send_msg(struct cacep * instance) +{ +        cacep_t   msg = CACEP__INIT; +        int       ret = 0; +        uint8_t * data = NULL; +        size_t    len = 0; + +        msg.name = instance->name; +        msg.address = instance->address; + +        len = cacep__get_packed_size(&msg); +        if (len == 0) +                return -1; + +        data = malloc(len); +        if (data == NULL) +                return -ENOMEM; + +        cacep__pack(&msg, data); + +        if (flow_write(instance->fd, data, len) < 0) +                ret = -1; + +        free(data); + +        return ret; +} + +struct cacep_info * cacep_auth(struct cacep * instance) +{ +        struct cacep_info * tmp; + +        if (instance == NULL) +                return NULL; + +        if (send_msg(instance)) +                return NULL; + +        tmp = read_msg(instance); +        if (tmp == NULL) +                return NULL; + +        return tmp; +} + +struct cacep_info * cacep_auth_wait(struct cacep * instance) +{ +        struct cacep_info * tmp; + +        if (instance == NULL) +                return NULL; + +        tmp = read_msg(instance); +        if (tmp == NULL) +                return NULL; + +        if (send_msg(instance)) { +                free(tmp->name); +                free(tmp); +                return NULL; +        } + +        return tmp; +} diff --git a/src/lib/cacep.proto b/src/lib/cacep.proto new file mode 100644 index 00000000..603b095d --- /dev/null +++ b/src/lib/cacep.proto @@ -0,0 +1,29 @@ +/* + * Ouroboros - Copyright (C) 2016 - 2017 + * + * CACEP message + * + *    Dimitri Staessens <dimitri.staessens@intec.ugent.be> + *    Sander Vrijders   <sander.vrijders@intec.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 + */ + +syntax = "proto2"; + +message cacep { +        required string name    = 1; +        required uint64 address = 2; +} diff --git a/src/lib/dif_config.proto b/src/lib/dif_config.proto index 8a1d329e..f1f8747b 100644 --- a/src/lib/dif_config.proto +++ b/src/lib/dif_config.proto @@ -37,9 +37,10 @@ message dif_config_msg {          optional uint32 min_pdu_size    = 10;          optional uint32 max_pdu_size    = 11;          optional uint32 addr_auth_type  = 12; +        optional uint32 dt_gam_type     = 13;          // Config for shim UDP -        optional uint32 ip_addr         = 13; -        optional uint32 dns_addr        = 14; +        optional uint32 ip_addr         = 14; +        optional uint32 dns_addr        = 15;          // Config for the shim Ethernet LLC -        optional string if_name         = 15; +        optional string if_name         = 16;  }
\ No newline at end of file diff --git a/src/lib/irm.c b/src/lib/irm.c index 635c8f9b..ade38b6f 100644 --- a/src/lib/irm.c +++ b/src/lib/irm.c @@ -120,6 +120,7 @@ int irm_bootstrap_ipcp(pid_t               api,                  config.has_min_pdu_size = true;                  config.has_max_pdu_size = true;                  config.has_addr_auth_type = true; +                config.has_dt_gam_type = true;                  config.addr_size = conf->addr_size;                  config.cep_id_size = conf->cep_id_size; @@ -131,6 +132,7 @@ int irm_bootstrap_ipcp(pid_t               api,                  config.min_pdu_size = conf->min_pdu_size;                  config.max_pdu_size = conf->max_pdu_size;                  config.addr_auth_type = conf->addr_auth_type; +                config.dt_gam_type = conf->dt_gam_type;                  break;          case IPCP_SHIM_UDP:                  config.has_ip_addr = true; | 
