Chiebot-Mirror
/
grpc
mirror of https://github.com/grpc/grpc.git
8
0
Fork 0
Code Issues Projects Releases Wiki Activity

Putting the auth metadata processor on the server creds.

Browse Source
pull/2777/head
Julien Boeuf 9 years ago
parent 6bdc9b47bc
commit 66a27daef6
6 changed files with 99 additions and 208 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 32
      src/core/security/security_context.c
  2. 4
      src/core/security/security_context.h
  3. 17
      src/core/security/server_auth_filter.c
  4. 11
      src/core/security/server_secure_chttp2.c
  5. 42
      test/core/end2end/fixtures/chttp2_simple_ssl_with_oauth2_fullstack.c
  6. 201
      test/core/end2end/tests/request_response_with_payload_and_call_creds.c

32
src/core/security/security_context.c
Unescape View File

@ -295,3 +295,35 @@ void grpc_auth_property_reset(grpc_auth_property *property) {
memset(property, 0, sizeof(grpc_auth_property));
}
grpc_arg grpc_auth_metadata_processor_to_arg(grpc_auth_metadata_processor *p) {
grpc_arg arg;
memset(&arg, 0, sizeof(grpc_arg));
arg.type = GRPC_ARG_POINTER;
arg.key = GRPC_AUTH_METADATA_PROCESSOR_ARG;
arg.value.pointer.p = p;
return arg;
}
grpc_auth_metadata_processor *grpc_auth_metadata_processor_from_arg(
const grpc_arg *arg) {
if (strcmp(arg->key, GRPC_AUTH_METADATA_PROCESSOR_ARG) != 0) return NULL;
if (arg->type != GRPC_ARG_POINTER) {
gpr_log(GPR_ERROR, "Invalid type %d for arg %s", arg->type,
GRPC_AUTH_METADATA_PROCESSOR_ARG);
return NULL;
}
return arg->value.pointer.p;
}
grpc_auth_metadata_processor *grpc_find_auth_metadata_processor_in_args(
const grpc_channel_args *args) {
size_t i;
if (args == NULL) return NULL;
for (i = 0; i < args->num_args; i++) {
grpc_auth_metadata_processor *p =
grpc_auth_metadata_processor_from_arg(&args->args[i]);
if (p != NULL) return p;
}
return NULL;
}

4
src/core/security/security_context.h
Unescape View File

@ -108,8 +108,10 @@ void grpc_server_security_context_destroy(void *ctx);
#define GRPC_AUTH_METADATA_PROCESSOR_ARG "grpc.auth_metadata_processor"
grpc_arg grpc_auth_metadata_processor_to_arg(grpc_auth_metadata_processor *p);
grpc_auth_metadata_processor grpc_auth_metadata_processor_from_arg(
grpc_auth_metadata_processor *grpc_auth_metadata_processor_from_arg(
const grpc_arg *arg);
grpc_auth_metadata_processor *grpc_find_auth_metadata_processor_in_args(
const grpc_channel_args *args);
#endif /* GRPC_INTERNAL_CORE_SECURITY_SECURITY_CONTEXT_H */

17
src/core/security/server_auth_filter.c
Unescape View File

@ -59,6 +59,7 @@ typedef struct call_data {
typedef struct channel_data {
grpc_security_connector *security_connector;
grpc_auth_metadata_processor processor;
grpc_mdctx *mdctx;
} channel_data;
@ -142,18 +143,16 @@ static void auth_on_recv(void *user_data, int success) {
grpc_stream_op *ops = calld->recv_ops->ops;
for (i = 0; i < nops; i++) {
grpc_metadata_array md_array;
grpc_auth_metadata_processor processor =
grpc_server_get_auth_metadata_processor();
grpc_stream_op *op = &ops[i];
if (op->type != GRPC_OP_METADATA || calld->got_client_metadata) continue;
calld->got_client_metadata = 1;
if (processor.process == NULL) continue;
if (chand->processor.process == NULL) continue;
calld->md_op = op;
md_array = metadata_batch_to_md_array(&op->data.metadata);
processor.process(processor.state, &calld->ticket,
chand->security_connector->auth_context,
md_array.metadata, md_array.count,
on_md_processing_done, elem);
chand->processor.process(chand->processor.state, &calld->ticket,
chand->security_connector->auth_context,
md_array.metadata, md_array.count,
on_md_processing_done, elem);
grpc_metadata_array_destroy(&md_array);
return;
}
@ -233,6 +232,8 @@ static void init_channel_elem(grpc_channel_element *elem, grpc_channel *master,
const grpc_channel_args *args, grpc_mdctx *mdctx,
int is_first, int is_last) {
grpc_security_connector *sc = grpc_find_security_connector_in_args(args);
grpc_auth_metadata_processor *processor =
grpc_find_auth_metadata_processor_in_args(args);
/* grab pointers to our data from the channel element */
channel_data *chand = elem->channel_data;
@ -242,12 +243,14 @@ static void init_channel_elem(grpc_channel_element *elem, grpc_channel *master,
GPR_ASSERT(!is_first);
GPR_ASSERT(!is_last);
GPR_ASSERT(sc != NULL);
GPR_ASSERT(processor != NULL);
/* initialize members */
GPR_ASSERT(!sc->is_client_side);
chand->security_connector =
GRPC_SECURITY_CONNECTOR_REF(sc, "server_auth_filter");
chand->mdctx = mdctx;
chand->processor = *processor;
}
/* Destructor for channel data */

11
src/core/security/server_secure_chttp2.c
Unescape View File

@ -43,6 +43,7 @@
#include "src/core/security/auth_filters.h"
#include "src/core/security/credentials.h"
#include "src/core/security/security_connector.h"
#include "src/core/security/security_context.h"
#include "src/core/security/secure_transport_setup.h"
#include "src/core/surface/server.h"
#include "src/core/transport/chttp2_transport.h"
@ -87,9 +88,13 @@ static void setup_transport(void *statep, grpc_transport *transport,
static grpc_channel_filter const *extra_filters[] = {
&grpc_server_auth_filter, &grpc_http_server_filter};
grpc_server_secure_state *state = statep;
grpc_arg connector_arg = grpc_security_connector_to_arg(state->sc);
grpc_channel_args *args_copy = grpc_channel_args_copy_and_add(
grpc_server_get_channel_args(state->server), &connector_arg, 1);
grpc_channel_args *args_copy;
grpc_arg args_to_add[2];
args_to_add[0] = grpc_security_connector_to_arg(state->sc);
args_to_add[1] = grpc_auth_metadata_processor_to_arg(&state->processor);
args_copy = grpc_channel_args_copy_and_add(
grpc_server_get_channel_args(state->server), args_to_add,
GPR_ARRAY_SIZE(args_to_add));
grpc_server_setup_transport(state->server, transport, extra_filters,
GPR_ARRAY_SIZE(extra_filters), mdctx, args_copy);
grpc_channel_args_destroy(args_copy);

42
test/core/end2end/fixtures/chttp2_simple_ssl_with_oauth2_fullstack.c
Unescape View File

@ -46,10 +46,46 @@
#include "test/core/util/port.h"
#include "test/core/end2end/data/ssl_test_data.h"
static const char oauth2_md[] = "Bearer aaslkfjs424535asdf";
static const char *client_identity_property_name = "smurf_name";
static const char *client_identity = "Brainy Smurf";
typedef struct fullstack_secure_fixture_data {
char *localaddr;
} fullstack_secure_fixture_data;
static const grpc_metadata *find_metadata(const grpc_metadata *md,
size_t md_count,
const char *key,
const char *value) {
size_t i;
for (i = 0; i < md_count; i++) {
if (strcmp(key, md[i].key) == 0 && strlen(value) == md[i].value_length &&
memcmp(md[i].value, value, md[i].value_length) == 0) {
return &md[i];
}
}
return NULL;
}
void process_oauth2(void *state, grpc_auth_ticket *ticket,
grpc_auth_context *channel_ctx, const grpc_metadata *md,
size_t md_count, grpc_process_auth_metadata_done_cb cb,
void *user_data) {
const grpc_metadata *oauth2 =
find_metadata(md, md_count, "Authorization", oauth2_md);
grpc_auth_context *new_ctx;
GPR_ASSERT(state == NULL);
GPR_ASSERT(oauth2 != NULL);
new_ctx = grpc_auth_context_create(channel_ctx);
grpc_auth_context_add_cstring_property(new_ctx, client_identity_property_name,
client_identity);
GPR_ASSERT(grpc_auth_context_set_peer_identity_property_name(
new_ctx, client_identity_property_name) == 1);
cb(user_data, oauth2, 1, 1, new_ctx);
grpc_auth_context_release(new_ctx);
}
static grpc_end2end_test_fixture chttp2_create_fixture_secure_fullstack(
grpc_channel_args *client_args, grpc_channel_args *server_args) {
grpc_end2end_test_fixture f;
@ -100,8 +136,8 @@ static void chttp2_init_client_simple_ssl_with_oauth2_secure_fullstack(
grpc_end2end_test_fixture *f, grpc_channel_args *client_args) {
grpc_credentials *ssl_creds =
grpc_ssl_credentials_create(test_root_cert, NULL);
grpc_credentials *oauth2_creds = grpc_md_only_test_credentials_create(
"Authorization", "Bearer aaslkfjs424535asdf", 1);
grpc_credentials *oauth2_creds =
grpc_md_only_test_credentials_create("Authorization", oauth2_md, 1);
grpc_credentials *ssl_oauth2_creds =
grpc_composite_credentials_create(ssl_creds, oauth2_creds);
grpc_arg ssl_name_override = {GRPC_ARG_STRING,
@ -121,6 +157,8 @@ static void chttp2_init_server_simple_ssl_secure_fullstack(
test_server1_cert};
grpc_server_credentials *ssl_creds =
grpc_ssl_server_credentials_create(NULL, &pem_key_cert_pair, 1);
grpc_auth_metadata_processor processor = {process_oauth2, NULL};
grpc_server_credentials_set_auth_metadata_processor(ssl_creds, processor);
chttp2_init_server_secure_fullstack(f, server_args, ssl_creds);
}

201
test/core/end2end/tests/request_response_with_payload_and_call_creds.c
Unescape View File

@ -46,11 +46,6 @@
#include "src/core/security/credentials.h"
#include "src/core/support/string.h"
static const char *custom_creds_md_name = "custom_creds";
static const char *custom_creds_md_value = "custom_value";
static const char *client_identity_property_name = "smurf_name";
static const char *client_identity = "Brainy Smurf";
static const char iam_token[] = "token";
static const char iam_selector[] = "selector";
static const char overridden_iam_token[] = "overridden_token";
@ -62,73 +57,9 @@ enum { TIMEOUT = 200000 };
static void *tag(gpr_intptr t) { return (void *)t; }
static const grpc_metadata *find_metadata(const grpc_metadata *md,
size_t md_count,
const char *key,
const char *value) {
size_t i;
for (i = 0; i < md_count; i++) {
if (strcmp(key, md[i].key) == 0 && strlen(value) == md[i].value_length &&
memcmp(md[i].value, value, md[i].value_length) == 0) {
return &md[i];
}
}
return NULL;
}
static void check_peer_identity(grpc_auth_context *ctx,
const char *expected_identity) {
grpc_auth_property_iterator it = grpc_auth_context_peer_identity(ctx);
const grpc_auth_property *prop = grpc_auth_property_iterator_next(&it);
GPR_ASSERT(prop != NULL);
GPR_ASSERT(strcmp(expected_identity, prop->value) == 0);
GPR_ASSERT(grpc_auth_property_iterator_next(&it) == NULL);
}
static void process_auth_md_success(void *state, grpc_auth_ticket *t,
grpc_auth_context *channel_ctx,
const grpc_metadata *md, size_t md_count,
grpc_process_auth_metadata_done_cb cb,
void *user_data) {
override_mode *mode;
GPR_ASSERT(state != NULL);
mode = (override_mode *)state;
if (*mode != DESTROY) {
grpc_auth_context *new_auth_ctx = grpc_auth_context_create(channel_ctx);
const grpc_metadata *custom_creds_md = find_metadata(
md, md_count, custom_creds_md_name, custom_creds_md_value);
GPR_ASSERT(custom_creds_md != NULL);
grpc_auth_context_add_cstring_property(
new_auth_ctx, client_identity_property_name, client_identity);
GPR_ASSERT(grpc_auth_context_set_peer_identity_property_name(
new_auth_ctx, client_identity_property_name) == 1);
cb(user_data, custom_creds_md, 1, 1, new_auth_ctx);
grpc_auth_context_release(new_auth_ctx);
} else {
cb(user_data, NULL, 0, 1, channel_ctx);
}
}
static void process_auth_md_failure(void *state, grpc_auth_ticket *t,
grpc_auth_context *channel_ctx,
const grpc_metadata *md, size_t md_count,
grpc_process_auth_metadata_done_cb cb,
void *user_data) {
override_mode *mode;
GPR_ASSERT(state != NULL);
mode = (override_mode *)state;
if (*mode != DESTROY) {
const grpc_metadata *custom_creds_md = find_metadata(
md, md_count, custom_creds_md_name, custom_creds_md_value);
GPR_ASSERT(custom_creds_md != NULL);
}
cb(user_data, NULL, 0, 0, NULL); /* Fail. */
}
static grpc_end2end_test_fixture begin_test(
grpc_end2end_test_config config, const char *test_name,
grpc_auth_metadata_processor processor) {
grpc_end2end_test_config config, const char *test_name) {
grpc_end2end_test_fixture f;
grpc_server_register_auth_metadata_processor(processor);
gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
f = config.create_fixture(NULL, NULL);
config.init_client(&f, NULL);
@ -191,24 +122,10 @@ static void print_auth_context(int is_client, const grpc_auth_context *ctx) {
}
}
static grpc_credentials *iam_custom_composite_creds_create(
const char *iam_tok, const char *iam_sel) {
grpc_credentials *iam_creds = grpc_iam_credentials_create(iam_tok, iam_sel);
grpc_credentials *custom_creds = grpc_md_only_test_credentials_create(
custom_creds_md_name, custom_creds_md_value, 1);
grpc_credentials *result =
grpc_composite_credentials_create(iam_creds, custom_creds);
grpc_credentials_release(iam_creds);
grpc_credentials_release(custom_creds);
return result;
}
static void test_call_creds_failure(grpc_end2end_test_config config) {
grpc_call *c;
grpc_credentials *creds = NULL;
grpc_auth_metadata_processor p = {NULL, NULL};
grpc_end2end_test_fixture f =
begin_test(config, "test_call_creds_failure", p);
grpc_end2end_test_fixture f = begin_test(config, "test_call_creds_failure");
gpr_timespec deadline = five_seconds_time();
c = grpc_channel_create_call(f.client, f.cq, "/foo", "foo.test.google.fr",
deadline);
@ -237,7 +154,6 @@ static void request_response_with_payload_and_call_creds(
grpc_byte_buffer *response_payload =
grpc_raw_byte_buffer_create(&response_payload_slice, 1);
gpr_timespec deadline = five_seconds_time();
grpc_auth_metadata_processor p;
grpc_end2end_test_fixture f;
cq_verifier *cqv;
grpc_op ops[6];
@ -256,15 +172,13 @@ static void request_response_with_payload_and_call_creds(
grpc_auth_context *s_auth_context = NULL;
grpc_auth_context *c_auth_context = NULL;
p.process = process_auth_md_success;
p.state = &mode;
f = begin_test(config, test_name, p);
f = begin_test(config, test_name);
cqv = cq_verifier_create(f.cq);
c = grpc_channel_create_call(f.client, f.cq, "/foo", "foo.test.google.fr",
deadline);
GPR_ASSERT(c);
creds = iam_custom_composite_creds_create(iam_token, iam_selector);
creds = grpc_iam_credentials_create(iam_token, iam_selector);
GPR_ASSERT(creds != NULL);
GPR_ASSERT(grpc_call_set_credentials(c, creds) == GRPC_CALL_OK);
switch (mode) {
@ -272,8 +186,8 @@ static void request_response_with_payload_and_call_creds(
break;
case OVERRIDE:
grpc_credentials_release(creds);
creds = iam_custom_composite_creds_create(overridden_iam_token,
overridden_iam_selector);
creds = grpc_iam_credentials_create(overridden_iam_token,
overridden_iam_selector);
GPR_ASSERT(creds != NULL);
GPR_ASSERT(grpc_call_set_credentials(c, creds) == GRPC_CALL_OK);
break;
@ -378,10 +292,6 @@ static void request_response_with_payload_and_call_creds(
GPR_ASSERT(byte_buffer_eq_string(request_payload_recv, "hello world"));
GPR_ASSERT(byte_buffer_eq_string(response_payload_recv, "hello you"));
/* Has been processed by the auth metadata processor. */
GPR_ASSERT(!contains_metadata(&request_metadata_recv, custom_creds_md_name,
custom_creds_md_value));
switch (mode) {
case NONE:
GPR_ASSERT(contains_metadata(&request_metadata_recv,
@ -390,7 +300,6 @@ static void request_response_with_payload_and_call_creds(
GPR_ASSERT(contains_metadata(&request_metadata_recv,
GRPC_IAM_AUTHORITY_SELECTOR_METADATA_KEY,
iam_selector));
check_peer_identity(s_auth_context, client_identity);
break;
case OVERRIDE:
GPR_ASSERT(contains_metadata(&request_metadata_recv,
@ -399,7 +308,6 @@ static void request_response_with_payload_and_call_creds(
GPR_ASSERT(contains_metadata(&request_metadata_recv,
GRPC_IAM_AUTHORITY_SELECTOR_METADATA_KEY,
overridden_iam_selector));
check_peer_identity(s_auth_context, client_identity);
break;
case DESTROY:
GPR_ASSERT(!contains_metadata(&request_metadata_recv,
@ -457,108 +365,11 @@ static void test_request_response_with_payload_and_deleted_call_creds(
DESTROY);
}
static void test_request_with_server_rejecting_client_creds(
grpc_end2end_test_config config) {
grpc_op ops[6];
grpc_op *op;
grpc_call *c;
grpc_auth_metadata_processor p;
grpc_end2end_test_fixture f;
gpr_timespec deadline = five_seconds_time();
cq_verifier *cqv;
grpc_metadata_array initial_metadata_recv;
grpc_metadata_array trailing_metadata_recv;
grpc_metadata_array request_metadata_recv;
grpc_call_details call_details;
grpc_status_code status;
char *details = NULL;
size_t details_capacity = 0;
grpc_byte_buffer *response_payload_recv = NULL;
gpr_slice request_payload_slice = gpr_slice_from_copied_string("hello world");
grpc_byte_buffer *request_payload =
grpc_raw_byte_buffer_create(&request_payload_slice, 1);
override_mode mode = NONE;
grpc_credentials *creds;
p.process = process_auth_md_failure;
p.state = &mode;
f = begin_test(config, "test_request_with_server_rejecting_client_creds", p);
cqv = cq_verifier_create(f.cq);
c = grpc_channel_create_call(f.client, f.cq, "/foo", "foo.test.google.fr",
deadline);
GPR_ASSERT(c);
creds = iam_custom_composite_creds_create(iam_token, iam_selector);
GPR_ASSERT(creds != NULL);
GPR_ASSERT(grpc_call_set_credentials(c, creds) == GRPC_CALL_OK);
grpc_credentials_release(creds);
grpc_metadata_array_init(&initial_metadata_recv);
grpc_metadata_array_init(&trailing_metadata_recv);
grpc_metadata_array_init(&request_metadata_recv);
grpc_call_details_init(&call_details);
op = ops;
op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
op->data.recv_status_on_client.status = &status;
op->data.recv_status_on_client.status_details = &details;
op->data.recv_status_on_client.status_details_capacity = &details_capacity;
op->flags = 0;
op++;
op->op = GRPC_OP_SEND_INITIAL_METADATA;
op->data.send_initial_metadata.count = 0;
op->flags = 0;
op++;
op->op = GRPC_OP_SEND_MESSAGE;
op->data.send_message = request_payload;
op->flags = 0;
op++;
op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
op->flags = 0;
op++;
op->op = GRPC_OP_RECV_INITIAL_METADATA;
op->data.recv_initial_metadata = &initial_metadata_recv;
op->flags = 0;
op++;
op->op = GRPC_OP_RECV_MESSAGE;
op->data.recv_message = &response_payload_recv;
op->flags = 0;
op++;
GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
cq_expect_completion(cqv, tag(1), 1);
cq_verify(cqv);
/* XXX Should be GRPC_STATUS_UNAUTHENTICATED but it looks like there is a bug
(probably in the server_auth_context.c code) where this error on the server
does not get to the client. The current error code we are getting is
GRPC_STATUS_INTERNAL. */
GPR_ASSERT(status != GRPC_STATUS_OK);
grpc_metadata_array_destroy(&initial_metadata_recv);
grpc_metadata_array_destroy(&trailing_metadata_recv);
grpc_metadata_array_destroy(&request_metadata_recv);
grpc_call_details_destroy(&call_details);
grpc_byte_buffer_destroy(request_payload);
grpc_byte_buffer_destroy(response_payload_recv);
gpr_free(details);
grpc_call_destroy(c);
cq_verifier_destroy(cqv);
end_test(&f);
config.tear_down_data(&f);
}
void grpc_end2end_tests(grpc_end2end_test_config config) {
if (config.feature_mask & FEATURE_MASK_SUPPORTS_PER_CALL_CREDENTIALS) {
test_call_creds_failure(config);
test_request_response_with_payload_and_call_creds(config);
test_request_response_with_payload_and_overridden_call_creds(config);
test_request_response_with_payload_and_deleted_call_creds(config);
test_request_with_server_rejecting_client_creds(config);
}
}

Write Preview
Loading…
Cancel
Save