dovecot/SOURCES/dovecot-2.3.8-CVE_2020_12674prereq.patch
2021-09-09 16:10:43 +00:00

346 lines
13 KiB
Diff

diff -up dovecot-2.3.8/src/auth/Makefile.am.CVE_2020_12674prereq dovecot-2.3.8/src/auth/Makefile.am
--- dovecot-2.3.8/src/auth/Makefile.am.CVE_2020_12674prereq 2019-10-08 10:46:18.000000000 +0200
+++ dovecot-2.3.8/src/auth/Makefile.am 2020-08-07 20:46:56.095295825 +0200
@@ -38,6 +38,7 @@ AM_CPPFLAGS = \
-I$(top_srcdir)/src/lib-oauth2 \
-I$(top_srcdir)/src/lib-ssl-iostream \
-I$(top_srcdir)/src/lib-lua \
+ -I$(top_srcdir)/src/lib-dcrypt \
-DAUTH_MODULE_DIR=\""$(auth_moduledir)"\" \
-DPKG_LIBEXECDIR=\""$(pkglibexecdir)"\" \
-DPKG_RUNDIR=\""$(rundir)"\" \
@@ -248,7 +249,8 @@ libstats_auth_la_SOURCES = auth-stats.c
test_programs = \
test-libpassword \
test-auth-cache \
- test-auth
+ test-auth \
+ test-mech
noinst_PROGRAMS = $(test_programs)
@@ -288,6 +290,13 @@ test_auth_SOURCES = \
test_auth_LDADD = $(test_libs) $(auth_libs) $(AUTH_LIBS)
test_auth_DEPENDENCIES = $(pkglibexec_PROGRAMS) $(test_libs)
+test_mech_SOURCES = \
+ test-mock.c \
+ test-mech.c
+
+test_mech_LDADD = $(test_libs) $(auth_libs) $(AUTH_LIBS)
+test_mech_DEPENDENCIES = $(pkglibexec_PROGRAMS) $(test_libs)
+
check-local:
for bin in $(test_programs); do \
if ! $(RUN_TEST) ./$$bin; then exit 1; fi; \
diff -up dovecot-2.3.8/src/auth/passdb.h.CVE_2020_12674prereq dovecot-2.3.8/src/auth/passdb.h
--- dovecot-2.3.8/src/auth/passdb.h.CVE_2020_12674prereq 2019-10-08 10:46:18.000000000 +0200
+++ dovecot-2.3.8/src/auth/passdb.h 2020-08-07 20:35:16.295684287 +0200
@@ -24,6 +24,8 @@ enum passdb_result {
typedef void verify_plain_callback_t(enum passdb_result result,
struct auth_request *request);
+typedef void verify_plain_continue_callback_t(struct auth_request *request,
+ verify_plain_callback_t *callback);
typedef void lookup_credentials_callback_t(enum passdb_result result,
const unsigned char *credentials,
size_t size,
diff -up dovecot-2.3.8/src/auth/auth-request-handler-private.h.CVE_2020_12674prereq dovecot-2.3.8/src/auth/auth-request-handler-private.h
--- dovecot-2.3.8/src/auth/auth-request-handler-private.h.CVE_2020_12674prereq 2020-08-07 20:35:16.295684287 +0200
+++ dovecot-2.3.8/src/auth/auth-request-handler-private.h 2020-08-07 20:35:16.295684287 +0200
@@ -0,0 +1,27 @@
+#ifndef AUTH_REQUEST_HANDLER_PRIVATE_H
+#define AUTH_REQUEST_HANDLER_PRIVATE_H
+
+struct auth_request;
+struct auth_client_connection;
+
+struct auth_request_handler {
+ int refcount;
+ pool_t pool;
+ HASH_TABLE(void *, struct auth_request *) requests;
+
+ unsigned int connect_uid, client_pid;
+
+ auth_client_request_callback_t *callback;
+ struct auth_client_connection *conn;
+
+ auth_master_request_callback_t *master_callback;
+ auth_request_handler_reply_callback_t *reply_callback;
+ auth_request_handler_reply_continue_callback_t *reply_continue_callback;
+ verify_plain_continue_callback_t *verify_plain_continue_callback;
+
+ bool destroyed:1;
+ bool token_auth:1;
+};
+
+
+#endif
diff -up dovecot-2.3.8/src/auth/auth-request-handler.h.CVE_2020_12674prereq dovecot-2.3.8/src/auth/auth-request-handler.h
--- dovecot-2.3.8/src/auth/auth-request-handler.h.CVE_2020_12674prereq 2019-10-08 10:46:18.000000000 +0200
+++ dovecot-2.3.8/src/auth/auth-request-handler.h 2020-08-07 20:35:16.295684287 +0200
@@ -17,6 +17,17 @@ auth_client_request_callback_t(const cha
typedef void
auth_master_request_callback_t(const char *reply, struct auth_master_connection *conn);
+typedef void
+auth_request_handler_reply_callback_t(struct auth_request *request,
+ enum auth_client_result result,
+ const void *auth_reply,
+ size_t reply_size);
+typedef void
+auth_request_handler_reply_continue_callback_t(struct auth_request *request,
+ const void *reply,
+ size_t reply_size);
+
+
struct auth_request_handler *
auth_request_handler_create(bool token_auth, auth_client_request_callback_t *callback,
struct auth_client_connection *conn,
diff -up dovecot-2.3.8/src/auth/test-mock.c.CVE_2020_12674prereq dovecot-2.3.8/src/auth/test-mock.c
--- dovecot-2.3.8/src/auth/test-mock.c.CVE_2020_12674prereq 2019-10-08 10:46:18.000000000 +0200
+++ dovecot-2.3.8/src/auth/test-mock.c 2020-08-07 20:35:16.296684273 +0200
@@ -28,14 +28,22 @@ static void passdb_mock_verify_plain(str
callback(PASSDB_RESULT_OK, request);
}
+static void passdb_mock_lookup_credentials(struct auth_request *request,
+ lookup_credentials_callback_t *callback)
+{
+ passdb_handle_credentials(PASSDB_RESULT_OK, "password", "PLAIN",
+ callback, request);
+}
+
static struct passdb_module_interface mock_interface = {
.name = "mock",
.init = passdb_mock_init,
.deinit = passdb_mock_deinit,
.verify_plain = passdb_mock_verify_plain,
+ .lookup_credentials = passdb_mock_lookup_credentials,
};
-static struct auth_passdb_settings set = {
+struct auth_passdb_settings mock_passdb_set = {
.name = "mock",
.driver = "mock",
.args = "",
@@ -95,7 +103,7 @@ void passdb_mock_mod_deinit(void)
struct auth_passdb *passdb_mock(void)
{
struct auth_passdb *ret = i_new(struct auth_passdb, 1);
- ret->set = &set;
+ ret->set = &mock_passdb_set;
ret->passdb = mock_passdb_mod;
return ret;
}
diff -up dovecot-2.3.8/src/auth/test-auth.h.CVE_2020_12674prereq dovecot-2.3.8/src/auth/test-auth.h
--- dovecot-2.3.8/src/auth/test-auth.h.CVE_2020_12674prereq 2019-10-08 10:46:18.000000000 +0200
+++ dovecot-2.3.8/src/auth/test-auth.h 2020-08-07 20:35:16.296684273 +0200
@@ -8,6 +8,8 @@
struct auth_passdb;
+extern struct auth_passdb_settings mock_passdb_set;
+
void test_auth_request_var_expand(void);
void test_db_dict_parse_cache_key(void);
void test_username_filter(void);
diff -up dovecot-2.3.8/src/auth/auth-request.c.CVE_2020_12674prereq dovecot-2.3.8/src/auth/auth-request.c
--- dovecot-2.3.8/src/auth/auth-request.c.CVE_2020_12674prereq 2019-10-08 10:46:18.000000000 +0200
+++ dovecot-2.3.8/src/auth/auth-request.c 2020-08-07 20:35:16.295684287 +0200
@@ -16,6 +16,7 @@
#include "auth-cache.h"
#include "auth-request.h"
#include "auth-request-handler.h"
+#include "auth-request-handler-private.h"
#include "auth-request-stats.h"
#include "auth-client-connection.h"
#include "auth-master-connection.h"
@@ -67,9 +68,6 @@ static void
auth_request_userdb_import(struct auth_request *request, const char *args);
static
-void auth_request_verify_plain_continue(struct auth_request *request,
- verify_plain_callback_t *callback);
-static
void auth_request_lookup_credentials_policy_continue(struct auth_request *request,
lookup_credentials_callback_t *callback);
static
@@ -307,10 +307,12 @@ void auth_request_success_continue(struct auth_policy_check_ctx *ctx)
return;
}
- stats = auth_request_stats_get(request);
- stats->auth_success_count++;
- if (request->master_user != NULL)
- stats->auth_master_success_count++;
+ if (request->set->stats) {
+ stats = auth_request_stats_get(request);
+ stats->auth_success_count++;
+ if (request->master_user != NULL)
+ stats->auth_master_success_count++;
+ }
auth_request_set_state(request, AUTH_REQUEST_STATE_FINISHED);
auth_request_refresh_last_access(request);
@@ -324,8 +326,10 @@ void auth_request_fail(struct auth_request *request)
i_assert(request->state == AUTH_REQUEST_STATE_MECH_CONTINUE);
- stats = auth_request_stats_get(request);
- stats->auth_failure_count++;
+ if (request->set->stats) {
+ stats = auth_request_stats_get(request);
+ stats->auth_failure_count++;
+ }
auth_request_set_state(request, AUTH_REQUEST_STATE_FINISHED);
auth_request_refresh_last_access(request);
@@ -1233,7 +1231,7 @@ void auth_request_policy_penalty_finish(
switch(ctx->type) {
case AUTH_POLICY_CHECK_TYPE_PLAIN:
- auth_request_verify_plain_continue(ctx->request, ctx->callback_plain);
+ ctx->request->handler->verify_plain_continue_callback(ctx->request, ctx->callback_plain);
return;
case AUTH_POLICY_CHECK_TYPE_LOOKUP:
auth_request_lookup_credentials_policy_continue(ctx->request, ctx->callback_lookup);
@@ -1284,7 +1282,8 @@ void auth_request_verify_plain(struct au
request->user_changed_by_lookup = FALSE;
if (request->policy_processed || !request->set->policy_check_before_auth) {
- auth_request_verify_plain_continue(request, callback);
+ request->handler->verify_plain_continue_callback(request,
+ callback);
} else {
ctx = p_new(request->pool, struct auth_policy_check_ctx, 1);
ctx->request = request;
@@ -1294,10 +1293,9 @@ void auth_request_verify_plain(struct au
}
}
-static
-void auth_request_verify_plain_continue(struct auth_request *request,
- verify_plain_callback_t *callback) {
-
+void auth_request_default_verify_plain_continue(struct auth_request *request,
+ verify_plain_callback_t *callback)
+{
struct auth_passdb *passdb;
enum passdb_result result;
const char *cache_key, *error;
diff -up dovecot-2.3.8/src/auth/auth-request-handler.c.CVE_2020_12674prereq dovecot-2.3.8/src/auth/auth-request-handler.c
--- dovecot-2.3.8/src/auth/auth-request-handler.c.CVE_2020_12674prereq 2019-10-08 10:46:18.000000000 +0200
+++ dovecot-2.3.8/src/auth/auth-request-handler.c 2020-08-07 20:35:16.295684287 +0200
@@ -17,32 +17,28 @@
#include "auth-client-connection.h"
#include "auth-master-connection.h"
#include "auth-request-handler.h"
+#include "auth-request-handler-private.h"
#include "auth-policy.h"
#define AUTH_FAILURE_DELAY_CHECK_MSECS 500
-
-struct auth_request_handler {
- int refcount;
- pool_t pool;
- HASH_TABLE(void *, struct auth_request *) requests;
-
- unsigned int connect_uid, client_pid;
-
- auth_client_request_callback_t *callback;
- struct auth_client_connection *conn;
-
- auth_master_request_callback_t *master_callback;
-
- bool destroyed:1;
- bool token_auth:1;
-};
-
static ARRAY(struct auth_request *) auth_failures_arr;
static struct aqueue *auth_failures;
static struct timeout *to_auth_failures;
static void auth_failure_timeout(void *context) ATTR_NULL(1);
+
+static void
+auth_request_handler_default_reply_callback(struct auth_request *request,
+ enum auth_client_result result,
+ const void *auth_reply,
+ size_t reply_size);
+
+static void
+auth_request_handler_default_reply_continue(struct auth_request *request,
+ const void *reply,
+ size_t reply_size);
+
struct auth_request_handler *
auth_request_handler_create(bool token_auth, auth_client_request_callback_t *callback,
struct auth_client_connection *conn,
@@ -61,6 +57,12 @@ auth_request_handler_create(bool token_a
handler->conn = conn;
handler->master_callback = master_callback;
handler->token_auth = token_auth;
+ handler->reply_callback =
+ auth_request_handler_default_reply_callback;
+ handler->reply_continue_callback =
+ auth_request_handler_default_reply_continue;
+ handler->verify_plain_continue_callback =
+ auth_request_default_verify_plain_continue;
return handler;
}
@@ -355,6 +363,16 @@ void auth_request_handler_reply(struct a
enum auth_client_result result,
const void *auth_reply, size_t reply_size)
{
+ struct auth_request_handler *handler = request->handler;
+ handler->reply_callback(request, result, auth_reply, reply_size);
+}
+
+static void
+auth_request_handler_default_reply_callback(struct auth_request *request,
+ enum auth_client_result result,
+ const void *auth_reply,
+ size_t reply_size)
+{
struct auth_request_handler *handler = request->handler;
string_t *str;
int ret;
@@ -407,6 +425,14 @@ void auth_request_handler_reply(struct a
void auth_request_handler_reply_continue(struct auth_request *request,
const void *reply, size_t reply_size)
{
+ request->handler->reply_continue_callback(request, reply, reply_size);
+}
+
+static void
+auth_request_handler_default_reply_continue(struct auth_request *request,
+ const void *reply,
+ size_t reply_size)
+{
auth_request_handler_reply(request, AUTH_CLIENT_RESULT_CONTINUE,
reply, reply_size);
}
@@ -703,6 +729,7 @@ static void auth_str_append_userdb_extra
auth_str_add_keyvalue(dest, "master_user",
request->master_user);
}
+ auth_str_add_keyvalue(dest, "auth_mech", request->mech->mech_name);
if (*request->set->anonymous_username != '\0' &&
strcmp(request->user, request->set->anonymous_username) == 0) {
/* this is an anonymous login, either via ANONYMOUS
diff -up dovecot-2.3.8/src/auth/auth-request.h.CVE_2020_12674prereq dovecot-2.3.8/src/auth/auth-request.h
--- dovecot-2.3.8/src/auth/auth-request.h.CVE_2020_12674prereq 2019-10-08 10:46:18.000000000 +0200
+++ dovecot-2.3.8/src/auth/auth-request.h 2020-08-07 20:35:16.295684287 +0200
@@ -295,6 +295,8 @@ void auth_request_set_credentials(struct
set_credentials_callback_t *callback);
void auth_request_userdb_callback(enum userdb_result result,
struct auth_request *request);
+void auth_request_default_verify_plain_continue(struct auth_request *request,
+ verify_plain_callback_t *callback);
void auth_request_refresh_last_access(struct auth_request *request);
void auth_str_append(string_t *dest, const char *key, const char *value);