Merge pull request #9121 from valeriosetti/issue8963

Add client-server build to all.sh
This commit is contained in:
Tom Cosgrove 2024-05-20 07:14:37 +00:00 committed by GitHub
commit df1bfec990
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23 changed files with 642 additions and 611 deletions

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@ -182,6 +182,7 @@ ifndef WINDOWS
rm -f include/test/instrument_record_status.h
rm -f include/alt-extra/*/*_alt.h
rm -rf libtestdriver1
rm -rf libpsaclient libpsaserver
rm -f ../library/libtestdriver1.a
else
if exist *.c del /Q /F *.c

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@ -1,23 +1,62 @@
CFLAGS ?= -Wall -Werror -std=c99 -D_XOPEN_SOURCE=1 -D_POSIX_C_SOURCE=200809L
CFLAGS += -Wall -Werror -std=c99 -D_XOPEN_SOURCE=1 -D_POSIX_C_SOURCE=200809L
ifeq ($(DEBUG),1)
CFLAGS += -DDEBUG -O0 -g
CFLAGS += -DDEBUG -O0 -g
endif
.PHONY: all lib test run
LIBPSACLIENT := -Llibpsaclient/ -lmbedcrypto -lmbedx509 -lmbedtls
LIBPSASERVER := -Llibpsaserver/ -lmbedcrypto
all: lib test
MBEDTLS_ROOT_PATH = ../../..
COMMON_INCLUDE := -I./include -I$(MBEDTLS_ROOT_PATH)/include
lib:
$(MAKE) -C src CFLAGS="$(CFLAGS)"
TEST_BIN = test/psa_client \
test/psa_partition
test: lib
$(MAKE) -C test CFLAGS="$(CFLAGS)"
GENERATED_H_FILES = include/psa_manifest/manifest.h \
include/psa_manifest/pid.h \
include/psa_manifest/sid.h
PSA_CLIENT_SRC = src/psa_ff_client.c \
src/client.c
PARTITION_SERVER_BOOTSTRAP = src/psa_ff_bootstrap_TEST_PARTITION.c
PSA_SERVER_SRC = $(PARTITION_SERVER_BOOTSTRAP) \
src/psa_ff_server.c
.PHONY: all clean libpsaclient libpsaserver
all: $(TEST_BIN)
test/seedfile:
dd if=/dev/urandom of=./test/seedfile bs=64 count=1
test/psa_client: $(PSA_CLIENT_SRC) $(GENERATED_H_FILES)
$(CC) $(COMMON_INCLUDE) $(CFLAGS) $(PSA_CLIENT_SRC) $(LIBPSACLIENT) $(LDFLAGS) -o $@
test/psa_partition: $(PSA_SERVER_SRC) $(GENERATED_H_FILES) test/seedfile
$(CC) $(COMMON_INCLUDE) $(CFLAGS) $(PSA_SERVER_SRC) $(LIBPSASERVER) $(LDFLAGS) -o $@
$(PARTITION_SERVER_BOOTSTRAP) $(GENERATED_H_FILES): src/manifest.json src/server.c
tools/psa_autogen.py src/manifest.json
# Build MbedTLS libraries (crypto, x509 and tls) and copy them locally to
# build client/server applications.
#
# Note: these rules assume that mbedtls_config.h is already configured by all.sh.
# If not using all.sh then the user must do it manually.
libpsaclient libpsaserver:
$(MAKE) -C $(MBEDTLS_ROOT_PATH)/library CFLAGS="$(CFLAGS)" LDFLAGS="$(LDFLAGS)" libmbedcrypto.a libmbedx509.a libmbedtls.a
mkdir -p $@
cp $(MBEDTLS_ROOT_PATH)/library/libmbed*.a $@/
$(MAKE) -C $(MBEDTLS_ROOT_PATH) clean
clean:
rm -f $(PSA_LIB) $(PSA_LIB_OBJS)
$(MAKE) -C test clean
$(MAKE) -C src clean
run: test
cd test && ./run_test.sh
rm -f $(TEST_BIN)
rm -f $(PARTITION_SERVER_BOOTSTRAP)
rm -rf libpsaclient libpsaserver
rm -rf include/psa_manifest
rm -f test/psa_service_* test/psa_notify_*
rm -f test/*.log
rm -f test/seedfile

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@ -15,7 +15,9 @@ extern "C" {
#include <stdint.h>
#include <stddef.h>
#include "psa/error.h"
#include "psa/crypto.h"
#include "error_ext.h"
/*********************** PSA Client Macros and Types *************************/
#define PSA_FRAMEWORK_VERSION (0x0100)

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@ -27,7 +27,6 @@
#define NON_SECURE (1 << 30)
typedef int32_t psa_status_t;
typedef int32_t psa_handle_t;
#define PSA_MAX_IOVEC (4u)

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@ -0,0 +1,19 @@
/* PSA status codes used by psasim. */
/*
* Copyright The Mbed TLS Contributors
* SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
*/
#ifndef PSA_ERROR_H
#define PSA_ERROR_H
#include <stdint.h>
#include "common.h"
#define PSA_ERROR_PROGRAMMER_ERROR ((psa_status_t) -129)
#define PSA_ERROR_CONNECTION_REFUSED ((psa_status_t) -130)
#define PSA_ERROR_CONNECTION_BUSY ((psa_status_t) -131)
#endif

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@ -6,7 +6,7 @@
*/
#include <stdint.h>
#include <psa/service.h>
#include <service.h>
void raise_signal(psa_signal_t signal);
void __init_psasim(const char **array,
int size,

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@ -1,38 +0,0 @@
/* PSA status codes used by psasim. */
/*
* Copyright The Mbed TLS Contributors
* SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
*/
#ifndef PSA_ERROR_H
#define PSA_ERROR_H
#include <stdint.h>
#include "psa/common.h"
#define PSA_SUCCESS ((psa_status_t) 0)
#define PSA_ERROR_PROGRAMMER_ERROR ((psa_status_t) -129)
#define PSA_ERROR_CONNECTION_REFUSED ((psa_status_t) -130)
#define PSA_ERROR_CONNECTION_BUSY ((psa_status_t) -131)
#define PSA_ERROR_GENERIC_ERROR ((psa_status_t) -132)
#define PSA_ERROR_NOT_PERMITTED ((psa_status_t) -133)
#define PSA_ERROR_NOT_SUPPORTED ((psa_status_t) -134)
#define PSA_ERROR_INVALID_ARGUMENT ((psa_status_t) -135)
#define PSA_ERROR_INVALID_HANDLE ((psa_status_t) -136)
#define PSA_ERROR_BAD_STATE ((psa_status_t) -137)
#define PSA_ERROR_BUFFER_TOO_SMALL ((psa_status_t) -138)
#define PSA_ERROR_ALREADY_EXISTS ((psa_status_t) -139)
#define PSA_ERROR_DOES_NOT_EXIST ((psa_status_t) -140)
#define PSA_ERROR_INSUFFICIENT_MEMORY ((psa_status_t) -141)
#define PSA_ERROR_INSUFFICIENT_STORAGE ((psa_status_t) -142)
#define PSA_ERROR_INSUFFICIENT_DATA ((psa_status_t) -143)
#define PSA_ERROR_SERVICE_FAILURE ((psa_status_t) -144)
#define PSA_ERROR_COMMUNICATION_FAILURE ((psa_status_t) -145)
#define PSA_ERROR_STORAGE_FAILURE ((psa_status_t) -146)
#define PSA_ERROR_HARDWARE_FAILURE ((psa_status_t) -147)
#define PSA_ERROR_INVALID_SIGNATURE ((psa_status_t) -149)
#endif

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@ -15,7 +15,9 @@ extern "C" {
#include <stdint.h>
#include <stddef.h>
#include "psa/common.h"
#include "common.h"
#include "psa/crypto.h"
/********************** PSA Secure Partition Macros and Types ****************/

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@ -5,7 +5,7 @@
* SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
*/
#include "psa/service.h"
#include "service.h"
#define PRINT(fmt, ...) \
fprintf(stdout, fmt "\n", ##__VA_ARGS__)

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@ -1,17 +0,0 @@
INCLUDE = -I../include/
PSA_LIB = libpsaff.a
PSA_LIB_OBJS = client.o service.o
.PHONY: all lib
all: $(PSA_LIB)
%.o: %.c
$(CC) $(INCLUDE) $(CFLAGS) -c $< -o $@
$(PSA_LIB): $(PSA_LIB_OBJS)
$(AR) rcs $(PSA_LIB) client.o service.o
clean:
rm -f $(PSA_LIB) $(PSA_LIB_OBJS)

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@ -1,392 +1,54 @@
/* PSA firmware framework client API */
/* psasim test client */
/*
* Copyright The Mbed TLS Contributors
* SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
*/
#include <stdint.h>
#include <stdlib.h>
#include <stddef.h>
#include <assert.h>
#include <stdio.h>
#include <string.h>
#include <strings.h>
#include <inttypes.h>
#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/msg.h>
#include <unistd.h>
#include "psa/client.h"
#include "psa/common.h"
#include "psa/error.h"
#include "psa/util.h"
/* Includes from psasim */
#include <client.h>
#include <util.h>
#include "psa_manifest/sid.h"
#include "psa_functions_codes.h"
typedef struct internal_handle {
int server_qid;
int client_qid;
int internal_server_qid;
int valid;
} internal_handle_t;
/* Includes from mbedtls */
#include "mbedtls/version.h"
#include "psa/crypto.h"
typedef struct vectors {
const psa_invec *in_vec;
size_t in_len;
psa_outvec *out_vec;
size_t out_len;
} vectors_t;
#define CLIENT_PRINT(fmt, ...) \
PRINT("Client: " fmt, ##__VA_ARGS__)
/* Note that this implementation is functional and not secure */
int __psa_ff_client_security_state = NON_SECURE;
/* Access to this global is not thread safe */
#define MAX_HANDLES 32
static internal_handle_t handles[MAX_HANDLES] = { { 0 } };
static int get_next_free_handle()
int main()
{
/* Never return handle 0 as it's a special null handle */
for (int i = 1; i < MAX_HANDLES; i++) {
if (handles[i].valid == 0) {
return i;
}
}
return -1;
}
char mbedtls_version[18];
// psa_invec invecs[1];
// psa_outvec outvecs[1];
psa_status_t status;
static int handle_is_valid(psa_handle_t handle)
{
if (handle > 0 && handle < MAX_HANDLES) {
if (handles[handle].valid == 1) {
return 1;
}
mbedtls_version_get_string_full(mbedtls_version);
CLIENT_PRINT("%s", mbedtls_version);
CLIENT_PRINT("My PID: %d", getpid());
CLIENT_PRINT("PSA version: %u", psa_version(PSA_SID_CRYPTO_SID));
psa_handle_t h = psa_connect(PSA_SID_CRYPTO_SID, 1);
if (h < 0) {
CLIENT_PRINT("Couldn't connect %d", h);
return 1;
}
status = psa_call(h, PSA_CRYPTO_INIT, NULL, 0, NULL, 0);
CLIENT_PRINT("PSA_CRYPTO_INIT returned: %d", status);
CLIENT_PRINT("Closing handle");
psa_close(h);
if (status != PSA_SUCCESS) {
return 1;
}
ERROR("ERROR: Invalid handle");
return 0;
}
static int get_queue_info(char *path, int *cqid, int *sqid)
{
key_t server_queue_key;
int rx_qid, server_qid;
INFO("Attempting to contact a RoT service queue");
if ((rx_qid = msgget(IPC_PRIVATE, 0660)) == -1) {
ERROR("msgget: rx_qid");
return -1;
}
if ((server_queue_key = ftok(path, PROJECT_ID)) == -1) {
ERROR("ftok");
return -2;
}
if ((server_qid = msgget(server_queue_key, 0)) == -1) {
ERROR("msgget: server_qid");
return -3;
}
*cqid = rx_qid;
*sqid = server_qid;
return 0;
}
static psa_status_t process_response(int rx_qid, vectors_t *vecs, int type,
int *internal_server_qid)
{
struct message response, request;
psa_status_t ret = PSA_ERROR_CONNECTION_REFUSED;
size_t invec_seek[4] = { 0 };
size_t data_size;
psa_status_t invec, outvec; /* TODO: Should these be size_t ? */
assert(internal_server_qid > 0);
while (1) {
data_size = 0;
invec = 0;
outvec = 0;
// read response from server
if (msgrcv(rx_qid, &response, sizeof(struct message_text), 0, 0) == -1) {
ERROR(" msgrcv failed");
return ret;
}
// process return message from server
switch (response.message_type) {
case PSA_REPLY:
memcpy(&ret, response.message_text.buf, sizeof(psa_status_t));
INFO(" Message received from server: %d", ret);
if (type == PSA_IPC_CONNECT && ret > 0) {
*internal_server_qid = ret;
INFO(" ASSSIGNED q ID %d", *internal_server_qid);
ret = PSA_SUCCESS;
}
return ret;
break;
case READ_REQUEST:
/* read data request */
request.message_type = READ_RESPONSE;
assert(vecs != 0);
memcpy(&invec, response.message_text.buf, sizeof(psa_status_t));
memcpy(&data_size, response.message_text.buf+sizeof(size_t), sizeof(size_t));
INFO(" Partition asked for %lu bytes from invec %d", data_size, invec);
/* need to add more checks here */
assert(invec >= 0 && invec < PSA_MAX_IOVEC);
if (data_size > MAX_FRAGMENT_SIZE) {
data_size = MAX_FRAGMENT_SIZE;
}
/* send response */
INFO(" invec_seek[invec] is %lu", invec_seek[invec]);
INFO(" Reading from offset %p", vecs->in_vec[invec].base + invec_seek[invec]);
memcpy(request.message_text.buf,
(vecs->in_vec[invec].base + invec_seek[invec]),
data_size);
/* update invec base TODO: check me */
invec_seek[invec] = invec_seek[invec] + data_size;
INFO(" Sending message of type %li", request.message_type);
INFO(" with content %s", request.message_text.buf);
if (msgsnd(*internal_server_qid, &request,
sizeof(int) + sizeof(uint32_t) + data_size, 0) == -1) {
ERROR("Internal error: failed to respond to read request");
}
break;
case WRITE_REQUEST:
assert(vecs != 0);
request.message_type = WRITE_RESPONSE;
memcpy(&outvec, response.message_text.buf, sizeof(psa_status_t));
memcpy(&data_size, response.message_text.buf + sizeof(size_t), sizeof(size_t));
INFO(" Partition wants to write %lu bytes to outvec %d", data_size, outvec);
assert(outvec >= 0 && outvec < PSA_MAX_IOVEC);
/* copy memory into message and send back amount written */
size_t sofar = vecs->out_vec[outvec].len;
memcpy(vecs->out_vec[outvec].base + sofar,
response.message_text.buf+(sizeof(size_t)*2), data_size);
INFO(" Data size is %lu", data_size);
vecs->out_vec[outvec].len += data_size;
INFO(" Sending message of type %li", request.message_type);
/* send response */
if (msgsnd(*internal_server_qid, &request, sizeof(int) + data_size, 0) == -1) {
ERROR("Internal error: failed to respond to write request");
}
break;
case SKIP_REQUEST:
memcpy(&invec, response.message_text.buf, sizeof(psa_status_t));
memcpy(&data_size, response.message_text.buf+sizeof(size_t), sizeof(size_t));
INFO(" Partition asked to skip %lu bytes in invec %d", data_size, invec);
assert(invec >= 0 && invec < PSA_MAX_IOVEC);
/* update invec base TODO: check me */
invec_seek[invec] = invec_seek[invec] + data_size;
break;
default:
FATAL(" ERROR: unknown internal message type: %ld",
response.message_type);
return ret;
}
}
}
static psa_status_t send(int rx_qid, int server_qid, int *internal_server_qid,
int32_t type, uint32_t minor_version, vectors_t *vecs)
{
{
psa_status_t ret = PSA_ERROR_CONNECTION_REFUSED;
size_t request_msg_size = (sizeof(int) + sizeof(long)); /* msg type plus queue id */
struct message request;
request.message_type = 1; /* TODO: change this */
request.message_text.psa_type = type;
vector_sizes_t vec_sizes;
/* If the client is non-secure then set the NS bit */
if (__psa_ff_client_security_state != 0) {
request.message_type |= NON_SECURE;
}
assert(request.message_type >= 0);
INFO("SEND: Sending message of type %ld with psa_type %d", request.message_type, type);
INFO(" internal_server_qid = %i", *internal_server_qid);
request.message_text.qid = rx_qid;
if (type == PSA_IPC_CONNECT) {
memcpy(request.message_text.buf, &minor_version, sizeof(minor_version));
request_msg_size = request_msg_size + sizeof(minor_version);
INFO(" Request msg size is %lu", request_msg_size);
} else {
assert(internal_server_qid > 0);
}
if (vecs != NULL && type >= PSA_IPC_CALL) {
memset(&vec_sizes, 0, sizeof(vec_sizes));
/* Copy invec sizes */
for (size_t i = 0; i < (vecs->in_len); i++) {
vec_sizes.invec_sizes[i] = vecs->in_vec[i].len;
INFO(" Client sending vector %lu: %lu", i, vec_sizes.invec_sizes[i]);
}
/* Copy outvec sizes */
for (size_t i = 0; i < (vecs->out_len); i++) {
vec_sizes.outvec_sizes[i] = vecs->out_vec[i].len;
/* Reset to 0 since we need to eventually fill in with bytes written */
vecs->out_vec[i].len = 0;
}
memcpy(request.message_text.buf, &vec_sizes, sizeof(vec_sizes));
request_msg_size = request_msg_size + sizeof(vec_sizes);
}
INFO(" Sending and then waiting");
// send message to server
if (msgsnd(server_qid, &request, request_msg_size, 0) == -1) {
ERROR(" msgsnd failed");
return ret;
}
return process_response(rx_qid, vecs, type, internal_server_qid);
}
}
uint32_t psa_framework_version(void)
{
return PSA_FRAMEWORK_VERSION;
}
psa_handle_t psa_connect(uint32_t sid, uint32_t minor_version)
{
int idx;
psa_status_t ret;
char pathname[PATHNAMESIZE] = { 0 };
idx = get_next_free_handle();
/* if there's a free handle available */
if (idx >= 0) {
snprintf(pathname, PATHNAMESIZE - 1, TMP_FILE_BASE_PATH "psa_service_%u", sid);
INFO("Attempting to contact RoT service at %s", pathname);
/* if communication is possible */
if (get_queue_info(pathname, &handles[idx].client_qid, &handles[idx].server_qid) >= 0) {
ret = send(handles[idx].client_qid,
handles[idx].server_qid,
&handles[idx].internal_server_qid,
PSA_IPC_CONNECT,
minor_version,
NULL);
/* if connection accepted by RoT service */
if (ret >= 0) {
handles[idx].valid = 1;
return idx;
} else {
INFO("Server didn't like you");
}
} else {
INFO("Couldn't contact RoT service. Does it exist?");
if (__psa_ff_client_security_state == 0) {
ERROR("Invalid SID");
}
}
}
INFO("Couldn't obtain a free handle");
return PSA_ERROR_CONNECTION_REFUSED;
}
uint32_t psa_version(uint32_t sid)
{
int idx;
psa_status_t ret;
char pathname[PATHNAMESIZE] = { 0 };
idx = get_next_free_handle();
if (idx >= 0) {
snprintf(pathname, PATHNAMESIZE, TMP_FILE_BASE_PATH "psa_service_%u", sid);
if (get_queue_info(pathname, &handles[idx].client_qid, &handles[idx].server_qid) >= 0) {
ret = send(handles[idx].client_qid,
handles[idx].server_qid,
&handles[idx].internal_server_qid,
VERSION_REQUEST,
0,
NULL);
INFO("psa_version: Recieved from server %d", ret);
if (ret > 0) {
return ret;
}
}
}
INFO("psa_version failed: does the service exist?");
return PSA_VERSION_NONE;
}
psa_status_t psa_call(psa_handle_t handle,
int32_t type,
const psa_invec *in_vec,
size_t in_len,
psa_outvec *out_vec,
size_t out_len)
{
handle_is_valid(handle);
if ((in_len + out_len) > PSA_MAX_IOVEC) {
ERROR("Too many iovecs: %lu + %lu", in_len, out_len);
}
vectors_t vecs = { 0 };
vecs.in_vec = in_vec;
vecs.in_len = in_len;
vecs.out_vec = out_vec;
vecs.out_len = out_len;
return send(handles[handle].client_qid,
handles[handle].server_qid,
&handles[handle].internal_server_qid,
type,
0,
&vecs);
}
void psa_close(psa_handle_t handle)
{
handle_is_valid(handle);
if (send(handles[handle].client_qid, handles[handle].server_qid,
&handles[handle].internal_server_qid, PSA_IPC_DISCONNECT, 0, NULL)) {
ERROR("ERROR: Couldn't send disconnect msg");
} else {
if (msgctl(handles[handle].client_qid, IPC_RMID, NULL) != 0) {
ERROR("ERROR: Failed to delete msg queue");
}
}
INFO("Closing handle %u", handle);
handles[handle].valid = 0;
}

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@ -1,8 +0,0 @@
/* Common code between clients and services */
/*
* Copyright The Mbed TLS Contributors
* SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
*/
#include "psa/common.h"

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@ -3,14 +3,14 @@
"name":"TEST_PARTITION",
"type":"PSA-ROT",
"priority":"LOW",
"entry_point":"psa_sha256_main",
"entry_point":"psa_server_main",
"stack_size":"0x400",
"heap_size":"0x100",
"services":[
{
"name":"PSA_SID_SHA256",
"name":"PSA_SID_CRYPTO",
"sid":"0x0000F000",
"signal":"PSA_SHA256",
"signal":"PSA_CRYPTO",
"non_secure_clients": "true",
"minor_version":1,
"minor_policy":"STRICT"

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@ -0,0 +1,386 @@
/* PSA firmware framework client API */
/*
* Copyright The Mbed TLS Contributors
* SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
*/
#include <stdint.h>
#include <stdlib.h>
#include <stddef.h>
#include <assert.h>
#include <stdio.h>
#include <string.h>
#include <strings.h>
#include <inttypes.h>
#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/msg.h>
#include "client.h"
#include "common.h"
#include "error_ext.h"
#include "util.h"
typedef struct internal_handle {
int server_qid;
int client_qid;
int internal_server_qid;
int valid;
} internal_handle_t;
typedef struct vectors {
const psa_invec *in_vec;
size_t in_len;
psa_outvec *out_vec;
size_t out_len;
} vectors_t;
/* Note that this implementation is functional and not secure */
int __psa_ff_client_security_state = NON_SECURE;
/* Access to this global is not thread safe */
#define MAX_HANDLES 32
static internal_handle_t handles[MAX_HANDLES] = { { 0 } };
static int get_next_free_handle()
{
/* Never return handle 0 as it's a special null handle */
for (int i = 1; i < MAX_HANDLES; i++) {
if (handles[i].valid == 0) {
return i;
}
}
return -1;
}
static int handle_is_valid(psa_handle_t handle)
{
if (handle > 0 && handle < MAX_HANDLES) {
if (handles[handle].valid == 1) {
return 1;
}
}
ERROR("ERROR: Invalid handle");
return 0;
}
static int get_queue_info(char *path, int *cqid, int *sqid)
{
key_t server_queue_key;
int rx_qid, server_qid;
INFO("Attempting to contact a RoT service queue");
if ((rx_qid = msgget(IPC_PRIVATE, 0660)) == -1) {
ERROR("msgget: rx_qid");
return -1;
}
if ((server_queue_key = ftok(path, PROJECT_ID)) == -1) {
ERROR("ftok");
return -2;
}
if ((server_qid = msgget(server_queue_key, 0)) == -1) {
ERROR("msgget: server_qid");
return -3;
}
*cqid = rx_qid;
*sqid = server_qid;
return 0;
}
static psa_status_t process_response(int rx_qid, vectors_t *vecs, int type,
int *internal_server_qid)
{
struct message response, request;
psa_status_t ret = PSA_ERROR_CONNECTION_REFUSED;
size_t invec_seek[4] = { 0 };
size_t data_size;
psa_status_t invec, outvec; /* TODO: Should these be size_t ? */
assert(internal_server_qid > 0);
while (1) {
data_size = 0;
invec = 0;
outvec = 0;
/* read response from server */
if (msgrcv(rx_qid, &response, sizeof(struct message_text), 0, 0) == -1) {
ERROR(" msgrcv failed");
return ret;
}
/* process return message from server */
switch (response.message_type) {
case PSA_REPLY:
memcpy(&ret, response.message_text.buf, sizeof(psa_status_t));
INFO(" Message received from server: %d", ret);
if (type == PSA_IPC_CONNECT && ret > 0) {
*internal_server_qid = ret;
INFO(" ASSSIGNED q ID %d", *internal_server_qid);
ret = PSA_SUCCESS;
}
return ret;
break;
case READ_REQUEST:
/* read data request */
request.message_type = READ_RESPONSE;
assert(vecs != 0);
memcpy(&invec, response.message_text.buf, sizeof(psa_status_t));
memcpy(&data_size, response.message_text.buf+sizeof(size_t), sizeof(size_t));
INFO(" Partition asked for %lu bytes from invec %d", data_size, invec);
/* need to add more checks here */
assert(invec >= 0 && invec < PSA_MAX_IOVEC);
if (data_size > MAX_FRAGMENT_SIZE) {
data_size = MAX_FRAGMENT_SIZE;
}
/* send response */
INFO(" invec_seek[invec] is %lu", invec_seek[invec]);
INFO(" Reading from offset %p", vecs->in_vec[invec].base + invec_seek[invec]);
memcpy(request.message_text.buf,
(vecs->in_vec[invec].base + invec_seek[invec]),
data_size);
/* update invec base TODO: check me */
invec_seek[invec] = invec_seek[invec] + data_size;
INFO(" Sending message of type %li", request.message_type);
INFO(" with content %s", request.message_text.buf);
if (msgsnd(*internal_server_qid, &request,
sizeof(int) + sizeof(uint32_t) + data_size, 0) == -1) {
ERROR("Internal error: failed to respond to read request");
}
break;
case WRITE_REQUEST:
assert(vecs != 0);
request.message_type = WRITE_RESPONSE;
memcpy(&outvec, response.message_text.buf, sizeof(psa_status_t));
memcpy(&data_size, response.message_text.buf + sizeof(size_t), sizeof(size_t));
INFO(" Partition wants to write %lu bytes to outvec %d", data_size, outvec);
assert(outvec >= 0 && outvec < PSA_MAX_IOVEC);
/* copy memory into message and send back amount written */
size_t sofar = vecs->out_vec[outvec].len;
memcpy(vecs->out_vec[outvec].base + sofar,
response.message_text.buf+(sizeof(size_t)*2), data_size);
INFO(" Data size is %lu", data_size);
vecs->out_vec[outvec].len += data_size;
INFO(" Sending message of type %li", request.message_type);
/* send response */
if (msgsnd(*internal_server_qid, &request, sizeof(int) + data_size, 0) == -1) {
ERROR("Internal error: failed to respond to write request");
}
break;
case SKIP_REQUEST:
memcpy(&invec, response.message_text.buf, sizeof(psa_status_t));
memcpy(&data_size, response.message_text.buf+sizeof(size_t), sizeof(size_t));
INFO(" Partition asked to skip %lu bytes in invec %d", data_size, invec);
assert(invec >= 0 && invec < PSA_MAX_IOVEC);
/* update invec base TODO: check me */
invec_seek[invec] = invec_seek[invec] + data_size;
break;
default:
FATAL(" ERROR: unknown internal message type: %ld",
response.message_type);
return ret;
}
}
}
static psa_status_t send(int rx_qid, int server_qid, int *internal_server_qid,
int32_t type, uint32_t minor_version, vectors_t *vecs)
{
psa_status_t ret = PSA_ERROR_CONNECTION_REFUSED;
size_t request_msg_size = (sizeof(int) + sizeof(long)); /* msg type plus queue id */
struct message request;
request.message_type = 1; /* TODO: change this */
request.message_text.psa_type = type;
vector_sizes_t vec_sizes;
/* If the client is non-secure then set the NS bit */
if (__psa_ff_client_security_state != 0) {
request.message_type |= NON_SECURE;
}
assert(request.message_type >= 0);
INFO("SEND: Sending message of type %ld with psa_type %d", request.message_type, type);
INFO(" internal_server_qid = %i", *internal_server_qid);
request.message_text.qid = rx_qid;
if (type == PSA_IPC_CONNECT) {
memcpy(request.message_text.buf, &minor_version, sizeof(minor_version));
request_msg_size = request_msg_size + sizeof(minor_version);
INFO(" Request msg size is %lu", request_msg_size);
} else {
assert(internal_server_qid > 0);
}
if (vecs != NULL && type >= PSA_IPC_CALL) {
memset(&vec_sizes, 0, sizeof(vec_sizes));
/* Copy invec sizes */
for (size_t i = 0; i < (vecs->in_len); i++) {
vec_sizes.invec_sizes[i] = vecs->in_vec[i].len;
INFO(" Client sending vector %lu: %lu", i, vec_sizes.invec_sizes[i]);
}
/* Copy outvec sizes */
for (size_t i = 0; i < (vecs->out_len); i++) {
vec_sizes.outvec_sizes[i] = vecs->out_vec[i].len;
/* Reset to 0 since we need to eventually fill in with bytes written */
vecs->out_vec[i].len = 0;
}
memcpy(request.message_text.buf, &vec_sizes, sizeof(vec_sizes));
request_msg_size = request_msg_size + sizeof(vec_sizes);
}
INFO(" Sending and then waiting");
/* send message to server */
if (msgsnd(server_qid, &request, request_msg_size, 0) == -1) {
ERROR(" msgsnd failed");
return ret;
}
return process_response(rx_qid, vecs, type, internal_server_qid);
}
uint32_t psa_framework_version(void)
{
return PSA_FRAMEWORK_VERSION;
}
psa_handle_t psa_connect(uint32_t sid, uint32_t minor_version)
{
int idx;
psa_status_t ret;
char pathname[PATHNAMESIZE] = { 0 };
idx = get_next_free_handle();
/* if there's a free handle available */
if (idx >= 0) {
snprintf(pathname, PATHNAMESIZE - 1, TMP_FILE_BASE_PATH "psa_service_%u", sid);
INFO("Attempting to contact RoT service at %s", pathname);
/* if communication is possible */
if (get_queue_info(pathname, &handles[idx].client_qid, &handles[idx].server_qid) >= 0) {
ret = send(handles[idx].client_qid,
handles[idx].server_qid,
&handles[idx].internal_server_qid,
PSA_IPC_CONNECT,
minor_version,
NULL);
/* if connection accepted by RoT service */
if (ret >= 0) {
handles[idx].valid = 1;
return idx;
} else {
INFO("Server didn't like you");
}
} else {
INFO("Couldn't contact RoT service. Does it exist?");
if (__psa_ff_client_security_state == 0) {
ERROR("Invalid SID");
}
}
}
INFO("Couldn't obtain a free handle");
return PSA_ERROR_CONNECTION_REFUSED;
}
uint32_t psa_version(uint32_t sid)
{
int idx;
psa_status_t ret;
char pathname[PATHNAMESIZE] = { 0 };
idx = get_next_free_handle();
if (idx >= 0) {
snprintf(pathname, PATHNAMESIZE, TMP_FILE_BASE_PATH "psa_service_%u", sid);
if (get_queue_info(pathname, &handles[idx].client_qid, &handles[idx].server_qid) >= 0) {
ret = send(handles[idx].client_qid,
handles[idx].server_qid,
&handles[idx].internal_server_qid,
VERSION_REQUEST,
0,
NULL);
INFO("psa_version: Recieved from server %d", ret);
if (ret > 0) {
return ret;
}
}
}
INFO("psa_version failed: does the service exist?");
return PSA_VERSION_NONE;
}
psa_status_t psa_call(psa_handle_t handle,
int32_t type,
const psa_invec *in_vec,
size_t in_len,
psa_outvec *out_vec,
size_t out_len)
{
handle_is_valid(handle);
if ((in_len + out_len) > PSA_MAX_IOVEC) {
ERROR("Too many iovecs: %lu + %lu", in_len, out_len);
}
vectors_t vecs = { 0 };
vecs.in_vec = in_vec;
vecs.in_len = in_len;
vecs.out_vec = out_vec;
vecs.out_len = out_len;
return send(handles[handle].client_qid,
handles[handle].server_qid,
&handles[handle].internal_server_qid,
type,
0,
&vecs);
}
void psa_close(psa_handle_t handle)
{
handle_is_valid(handle);
if (send(handles[handle].client_qid, handles[handle].server_qid,
&handles[handle].internal_server_qid, PSA_IPC_DISCONNECT, 0, NULL)) {
ERROR("ERROR: Couldn't send disconnect msg");
} else {
if (msgctl(handles[handle].client_qid, IPC_RMID, NULL) != 0) {
ERROR("ERROR: Failed to delete msg queue");
}
}
INFO("Closing handle %u", handle);
handles[handle].valid = 0;
}

View File

@ -16,11 +16,11 @@
#include <time.h>
#include <assert.h>
#include "psa/service.h"
#include "psasim/init.h"
#include "psa/error.h"
#include "psa/common.h"
#include "psa/util.h"
#include "service.h"
#include "init.h"
#include "error_ext.h"
#include "common.h"
#include "util.h"
#define MAX_CLIENTS 128
#define MAX_MESSAGES 32
@ -34,7 +34,7 @@ struct connection {
};
/* Note that this implementation is functional and not secure. */
extern int __psa_ff_client_security_state;
int __psa_ff_client_security_state = NON_SECURE;
static psa_msg_t messages[MAX_MESSAGES]; /* Message slots */
static uint8_t pending_message[MAX_MESSAGES] = { 0 }; /* Booleans indicating active message slots */

View File

@ -0,0 +1,9 @@
#ifndef _PSA_FUNCTIONS_CODES_H_
#define _PSA_FUNCTIONS_CODES_H_
enum {
PSA_CRYPTO_INIT = 0x00,
/* Add other PSA functions here */
};
#endif /* _PSA_FUNCTIONS_CODES_H_ */

View File

@ -8,10 +8,16 @@
#include <unistd.h>
#include <stdio.h>
#include "psa/service.h"
#include "psa/error.h"
#include "psa/util.h"
/* Includes from psasim */
#include "service.h"
#include "error_ext.h"
#include "util.h"
#include "psa_manifest/manifest.h"
#include "psa_functions_codes.h"
/* Includes from mbedtls */
#include "mbedtls/version.h"
#include "psa/crypto.h"
#define SERVER_PRINT(fmt, ...) \
PRINT("Server: " fmt, ##__VA_ARGS__)
@ -36,13 +42,16 @@ void parse_input_args(int argc, char *argv[])
}
}
int psa_sha256_main(int argc, char *argv[])
int psa_server_main(int argc, char *argv[])
{
psa_status_t ret = PSA_ERROR_PROGRAMMER_ERROR;
psa_msg_t msg = { -1 };
char foo[BUF_SIZE] = { 0 };
const int magic_num = 66;
int client_disconnected = 0;
char mbedtls_version[18];
mbedtls_version_get_string_full(mbedtls_version);
SERVER_PRINT("%s", mbedtls_version);
parse_input_args(argc, argv);
SERVER_PRINT("Starting");
@ -54,10 +63,9 @@ int psa_sha256_main(int argc, char *argv[])
SERVER_PRINT("Signals: 0x%08x", signals);
}
if (signals & PSA_SHA256_SIGNAL) {
if (PSA_SUCCESS == psa_get(PSA_SHA256_SIGNAL, &msg)) {
SERVER_PRINT("My handle is %d", msg.handle);
SERVER_PRINT("My rhandle is %p", (int *) msg.rhandle);
if (signals & PSA_CRYPTO_SIGNAL) {
if (PSA_SUCCESS == psa_get(PSA_CRYPTO_SIGNAL, &msg)) {
SERVER_PRINT("handle: %d - rhandle: %p", msg.handle, (int *) msg.rhandle);
switch (msg.type) {
case PSA_IPC_CONNECT:
SERVER_PRINT("Got a connection message");
@ -69,34 +77,23 @@ int psa_sha256_main(int argc, char *argv[])
ret = PSA_SUCCESS;
client_disconnected = 1;
break;
default:
SERVER_PRINT("Got an IPC call of type %d", msg.type);
ret = 42;
size_t size = msg.in_size[0];
if ((size > 0) && (size <= sizeof(foo))) {
psa_read(msg.handle, 0, foo, 6);
foo[(BUF_SIZE-1)] = '\0';
SERVER_PRINT("Reading payload: %s", foo);
psa_read(msg.handle, 0, foo+6, 6);
foo[(BUF_SIZE-1)] = '\0';
SERVER_PRINT("Reading payload: %s", foo);
}
size = msg.out_size[0];
if ((size > 0)) {
SERVER_PRINT("Writing response");
psa_write(msg.handle, 0, "RESP", 4);
psa_write(msg.handle, 0, "ONSE", 4);
switch (msg.type) {
case PSA_CRYPTO_INIT:
ret = psa_crypto_init();
break;
default:
SERVER_PRINT("Unknown PSA function code");
break;
}
SERVER_PRINT("Internal function call returned %d", ret);
if (msg.client_id > 0) {
psa_notify(msg.client_id);
} else {
SERVER_PRINT("Client is non-secure, so won't notify");
}
}
psa_reply(msg.handle, ret);

View File

@ -1,29 +0,0 @@
INCLUDE := -I../include/ -I./psa_manifest
LIB := -L../src -lpsaff
TEST_BIN = psa_client \
psa_partition
GENERATED_H_FILES = psa_manifest/manifest.h \
psa_manifest/pid.h \
psa_manifest/sid.h
PARTITION_SERVER_BOOTSTRAP = psa_ff_bootstrap_TEST_PARTITION.c
.PHONY: all clean
all: $(TEST_BIN)
psa_client: client.c $(GENERATED_H_FILES)
$(CC) $(INCLUDE) $(CFLAGS) $< $(LIB) -o $@
psa_partition: $(PARTITION_SERVER_BOOTSTRAP) $(GENERATED_H_FILES)
$(CC) $(INCLUDE) $(CFLAGS) $< $(LIB) -o $@
$(PARTITION_SERVER_BOOTSTRAP) $(GENERATED_H_FILES): manifest.json server.c
../tools/psa_autogen.py $<
clean:
rm -f $(TEST_BIN) psa_ff_bootstrap_*.c
rm -f psa_notify_* psa_service_*
rm -f psa_manifest/*

View File

@ -1,48 +0,0 @@
/* psasim test client */
/*
* Copyright The Mbed TLS Contributors
* SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
*/
#include <psa/client.h>
#include <psa/util.h>
#include "psa_manifest/sid.h"
#include <stdio.h>
#include <unistd.h>
#define CLIENT_PRINT(fmt, ...) \
PRINT("Client: " fmt, ##__VA_ARGS__)
int main()
{
const char *text = "FOOBARCOOL!!";
char output[100] = { 0 };
CLIENT_PRINT("My PID: %d", getpid());
CLIENT_PRINT("PSA version: %u", psa_version(PSA_SID_SHA256_SID));
psa_handle_t h = psa_connect(PSA_SID_SHA256_SID, 1);
if (h < 0) {
CLIENT_PRINT("Couldn't connect %d", h);
return 1;
} else {
int type = 2;
CLIENT_PRINT("psa_call() w/o invec returned: %d", psa_call(h, type, NULL, 0, NULL, 0));
psa_invec invecs[1];
psa_outvec outvecs[1];
invecs[0].base = text;
invecs[0].len = sizeof(text);
outvecs[0].base = output;
outvecs[0].len = sizeof(output);
CLIENT_PRINT("invec len: %lu", invecs[0].len);
CLIENT_PRINT("psa_call() w/ invec returned: %d", psa_call(h, type, invecs, 1, outvecs, 1));
CLIENT_PRINT("Received payload len: %ld", outvecs[0].len);
CLIENT_PRINT("Received payload content: %s", output);
CLIENT_PRINT("Closing handle");
psa_close(h);
}
return 0;
}

View File

@ -11,7 +11,10 @@
set -e
cd "$(dirname "$0")"
function clean_run() {
rm -f psa_notify_*
pkill psa_partition || true
pkill psa_client || true
ipcs | grep q | awk '{ printf " -q " $$2 }' | xargs ipcrm > /dev/null 2>&1 || true
@ -21,14 +24,14 @@ function clean_run() {
# event as signal that the server is ready so that we can start client(s).
function wait_for_server_startup() {
while [ ! -f ./psa_notify_* ]; do
sleep 0.1
sleep 0.1
done
}
clean_run
./psa_partition -k &
./psa_partition -k > psa_partition.log 2>&1 &
SERV_PID=$!
wait_for_server_startup
./psa_client
./psa_client > psa_client.log 2>&1
wait $SERV_PID

View File

@ -15,6 +15,13 @@ if len(sys.argv) != 2:
FILENAME = str(sys.argv[1])
SCRIPT_PATH = os.path.dirname(__file__)
GENERATED_H_PATH = os.path.join(SCRIPT_PATH, "..", "include", "psa_manifest")
GENERATED_C_PATH = os.path.join(SCRIPT_PATH, "..", "src")
MANIFEST_FILE = os.path.join(GENERATED_H_PATH, "manifest.h")
PID_FILE = os.path.join(GENERATED_H_PATH, "pid.h")
SID_FILE = os.path.join(GENERATED_H_PATH, "sid.h")
with open(str(FILENAME), "r") as read_file:
data = json.load(read_file)
@ -32,14 +39,14 @@ with open(str(FILENAME), "r") as read_file:
irqs = []
try:
os.mkdir("psa_manifest")
os.mkdir(GENERATED_H_PATH)
print("Generating psa_manifest directory")
except OSError:
print ("PSA manifest directory already exists")
print("PSA manifest directory already exists")
man = open(str("psa_manifest/" + FILENAME + ".h"), "w")
pids = open("psa_manifest/pid.h", "a")
sids = open("psa_manifest/sid.h", "a")
manifest_content = []
pids_content = []
sids_content = []
if len(services) > 28:
print ("Unsupported number of services")
@ -60,8 +67,8 @@ with open(str(FILENAME), "r") as read_file:
# Go through all the services to make sid.h and pid.h
for svc in services:
man.write("#define {}_SIGNAL 0x{:08x}\n".format(svc['signal'], 2**count))
sids.write("#define {}_SID {}\n".format(svc['name'], svc['sid']))
manifest_content.append("#define {}_SIGNAL 0x{:08x}".format(svc['signal'], 2**count))
sids_content.append("#define {}_SID {}".format(svc['name'], svc['sid']))
qcode = qcode + "\"" + queue_path + str(int(svc['sid'], 16)) + "\","
ns_clients = svc['non_secure_clients']
print(str(svc))
@ -91,7 +98,7 @@ with open(str(FILENAME), "r") as read_file:
handlercode = "void __sig_handler(int signo) {\n"
irqcount = count
for irq in irqs:
man.write("#define {} 0x{:08x}\n".format(irq['signal'], 2**irqcount))
manifest_content.append("#define {} 0x{:08x}".format(irq['signal'], 2**irqcount))
sigcode = sigcode + " signal({}, __sig_handler);\n".format(irq['source'])
handlercode = handlercode + \
" if (signo == {}) {{ raise_signal(0x{:08x}); }};\n".format(irq['source'], 2**irqcount)
@ -111,28 +118,28 @@ with open(str(FILENAME), "r") as read_file:
versions = versions + "};\n"
policy = policy + "};\n"
pids.close()
sids.close()
man.close()
with open(MANIFEST_FILE, "wt") as output:
output.write("\n".join(manifest_content))
with open(SID_FILE, "wt") as output:
output.write("\n".join(sids_content))
with open(PID_FILE, "wt") as output:
output.write("\n".join(pids_content))
symbols = []
# Go through all the files in the current directory and look for the entrypoint
for root, directories, filenames in os.walk('.'):
# Go through source files and look for the entrypoint
for root, directories, filenames in os.walk(GENERATED_C_PATH):
for filename in filenames:
if "psa_ff_bootstrap" in filename or filename == "psa_manifest":
continue
try:
fullpath = os.path.join(root,filename)
with open(fullpath, encoding='utf-8') as currentFile:
text = currentFile.read()
if str(entry_point + "(") in text:
symbols.append(fullpath)
symbols.append(filename)
except IOError:
print("Couldn't open " + filename)
except UnicodeDecodeError:
pass
@ -144,22 +151,24 @@ with open(str(FILENAME), "r") as read_file:
print("Duplicate entrypoint symbol detected: " + str(symbols))
sys.exit(2)
else:
bs = open(str("psa_ff_bootstrap_" + str(partition_name) + ".c"), "w")
bs.write("#include <psasim/init.h>\n")
bs.write("#include \"" + symbols[0] + "\"\n")
bs.write("#include <signal.h>\n\n")
bs.write(qcode)
bs.write(nsacl)
bs.write(policy)
bs.write(versions)
bs.write("\n")
bs.write(handlercode)
bs.write("\n")
bs.write("int main(int argc, char *argv[]) {\n")
bs.write(" (void) argc;\n")
bs.write(sigcode)
bs.write(" __init_psasim(psa_queues, 32, ns_allowed, versions, strict_policy);\n")
bs.write(" " + entry_point + "(argc, argv);\n}\n")
bs.close()
C_FILENAME = os.path.join(GENERATED_C_PATH, "psa_ff_bootstrap_" + partition_name + ".c")
c_content = []
c_content.append("#include <init.h>")
c_content.append("#include \"" + symbols[0] + "\"")
c_content.append("#include <signal.h>")
c_content.append(qcode)
c_content.append(nsacl)
c_content.append(policy)
c_content.append(versions)
c_content.append(handlercode)
c_content.append("int main(int argc, char *argv[]) {")
c_content.append(" (void) argc;")
c_content.append(sigcode)
c_content.append(" __init_psasim(psa_queues, 32, ns_allowed, versions,"
"strict_policy);")
c_content.append(" " + entry_point + "(argc, argv);")
c_content.append("}")
with open(C_FILENAME, "wt") as output:
output.write("\n".join(c_content))
print("Success")

View File

@ -945,6 +945,39 @@ helper_libtestdriver1_make_main() {
make CC=$ASAN_CC CFLAGS="$ASAN_CFLAGS -I../tests/include -I../tests -I../../tests -DPSA_CRYPTO_DRIVER_TEST -DMBEDTLS_TEST_LIBTESTDRIVER1 $loc_accel_flags" LDFLAGS="-ltestdriver1 $ASAN_CFLAGS" "$@"
}
# $1: target which can be "client" or "server"
helper_crypto_client_build() {
TARGET=$1
shift
TARGET_LIB=libpsa$TARGET
if [ "$TARGET" == "client" ]; then
scripts/config.py full
scripts/config.py unset MBEDTLS_PSA_CRYPTO_C
scripts/config.py unset MBEDTLS_PSA_CRYPTO_STORAGE_C
# Dynamic secure element support is a deprecated feature and it is not
# available when CRYPTO_C and PSA_CRYPTO_STORAGE_C are disabled.
scripts/config.py unset MBEDTLS_PSA_CRYPTO_SE_C
# Disable potentially problematic features
scripts/config.py unset MBEDTLS_X509_RSASSA_PSS_SUPPORT
scripts/config.py unset MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED
scripts/config.py unset MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED
scripts/config.py unset MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED
scripts/config.py unset MBEDTLS_ECP_RESTARTABLE
else
scripts/config.py crypto_full
scripts/config.py unset MBEDTLS_PSA_CRYPTO_BUILTIN_KEYS
scripts/config.py set MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER
fi
make -C tests/psa-client-server/psasim/ CFLAGS="$ASAN_CFLAGS" LDFLAGS="$ASAN_CFLAGS" $TARGET_LIB "$@"
# cleanup() will restore some backed-up files which include $CONFIG_H and
# $CRYPTO_CONFIG_H. Built libraries were already copied to psasim at this
# point.
cleanup
}
################################################################
#### Configuration helpers
################################################################
@ -6175,11 +6208,21 @@ component_check_test_helpers () {
}
component_test_psasim() {
msg "build library for client"
helper_crypto_client_build client
msg "build library for server"
scripts/config.py crypto
helper_crypto_client_build server
msg "build psasim"
make -C tests/psa-client-server/psasim
make -C tests/psa-client-server/psasim CFLAGS="$ASAN_CFLAGS" LDFLAGS="$ASAN_CFLAGS"
msg "test psasim"
make -C tests/psa-client-server/psasim run
tests/psa-client-server/psasim/test/run_test.sh
msg "clean psasim"
make -C tests/psa-client-server/psasim clean