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https://gitlab.torproject.org/tpo/core/tor.git
synced 2024-11-11 05:33:47 +01:00
Start of a unit test for options_validate.
I added this so I could write a unit test for ServerTransportOptions, but it incidentally exercises the succeed-on-defaults case of options_validate too.
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@ -9,6 +9,7 @@
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* \brief Code to parse and interpret configuration files.
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**/
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#define CONFIG_PRIVATE
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#include "or.h"
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#include "addressmap.h"
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#include "channel.h"
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@ -509,10 +510,6 @@ static const config_var_t testing_tor_network_defaults[] = {
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#ifdef _WIN32
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static char *get_windows_conf_root(void);
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#endif
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static int options_validate(or_options_t *old_options,
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or_options_t *options,
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or_options_t *default_options,
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int from_setconf, char **msg);
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static int options_act_reversible(const or_options_t *old_options, char **msg);
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static int options_act(const or_options_t *old_options);
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static int options_transition_allowed(const or_options_t *old,
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@ -556,7 +553,7 @@ static void config_maybe_load_geoip_files_(const or_options_t *options,
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#define OR_OPTIONS_MAGIC 9090909
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/** Configuration format for or_options_t. */
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static config_format_t options_format = {
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STATIC config_format_t options_format = {
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sizeof(or_options_t),
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OR_OPTIONS_MAGIC,
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STRUCT_OFFSET(or_options_t, magic_),
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@ -712,7 +709,7 @@ get_short_version(void)
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/** Release additional memory allocated in options
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*/
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static void
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STATIC void
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or_options_free(or_options_t *options)
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{
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if (!options)
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@ -2349,7 +2346,7 @@ compute_publishserverdescriptor(or_options_t *options)
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* Log line should stay empty. If it's 0, then give us a default log
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* if there are no logs defined.
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*/
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static int
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STATIC int
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options_validate(or_options_t *old_options, or_options_t *options,
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or_options_t *default_options, int from_setconf, char **msg)
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{
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@ -116,5 +116,17 @@ smartlist_t *get_options_from_transport_options_line(const char *line,
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const char *transport);
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smartlist_t *get_options_for_server_transport(const char *transport);
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#ifdef CONFIG_PRIVATE
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#ifdef TOR_UNIT_TESTS
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extern struct config_format_t options_format;
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#endif
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STATIC void or_options_free(or_options_t *options);
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STATIC int options_validate(or_options_t *old_options,
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or_options_t *options,
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or_options_t *default_options,
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int from_setconf, char **msg);
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#endif
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#endif
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@ -76,7 +76,7 @@ typedef int (*validate_fn_t)(void*,void*,int,char**);
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/** Information on the keys, value types, key-to-struct-member mappings,
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* variable descriptions, validation functions, and abbreviations for a
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* configuration or storage format. */
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typedef struct {
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typedef struct config_format_t {
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size_t size; /**< Size of the struct that everything gets parsed into. */
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uint32_t magic; /**< Required 'magic value' to make sure we have a struct
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* of the right type. */
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@ -27,6 +27,7 @@ src_test_test_SOURCES = \
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src/test/test_dir.c \
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src/test/test_introduce.c \
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src/test/test_microdesc.c \
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src/test/test_options.c \
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src/test/test_pt.c \
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src/test/test_replay.c \
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src/test/test_util.c \
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@ -2134,6 +2134,7 @@ extern struct testcase_t replaycache_tests[];
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extern struct testcase_t cell_format_tests[];
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extern struct testcase_t circuitlist_tests[];
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extern struct testcase_t cell_queue_tests[];
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extern struct testcase_t options_tests[];
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static struct testgroup_t testgroups[] = {
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{ "", test_array },
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@ -2151,6 +2152,7 @@ static struct testgroup_t testgroups[] = {
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{ "replaycache/", replaycache_tests },
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{ "introduce/", introduce_tests },
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{ "circuitlist/", circuitlist_tests },
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{ "options/", options_tests },
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END_OF_GROUPS
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};
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169
src/test/test_options.c
Normal file
169
src/test/test_options.c
Normal file
@ -0,0 +1,169 @@
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/* Copyright (c) 2001-2004, Roger Dingledine.
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* Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
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* Copyright (c) 2007-2013, The Tor Project, Inc. */
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/* See LICENSE for licensing information */
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#define CONFIG_PRIVATE
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#include "or.h"
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#include "confparse.h"
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#include "config.h"
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#include "test.h"
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typedef struct {
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int severity;
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uint32_t domain;
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char *msg;
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} logmsg_t;
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static smartlist_t *messages = NULL;
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static void
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log_cback(int severity, uint32_t domain, const char *msg)
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{
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logmsg_t *x = tor_malloc(sizeof(*x));
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x->severity = severity;
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x->domain = domain;
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x->msg = tor_strdup(msg);
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if (!messages)
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messages = smartlist_new();
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smartlist_add(messages, x);
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}
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static void
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setup_log_callback(void)
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{
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log_severity_list_t lst;
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memset(&lst, 0, sizeof(lst));
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lst.masks[LOG_ERR - LOG_ERR] = ~0;
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lst.masks[LOG_WARN - LOG_ERR] = ~0;
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lst.masks[LOG_NOTICE - LOG_ERR] = ~0;
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add_callback_log(&lst, log_cback);
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}
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static char *
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dump_logs(void)
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{
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smartlist_t *msgs;
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char *out;
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if (! messages)
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return tor_strdup("");
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msgs = smartlist_new();
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SMARTLIST_FOREACH_BEGIN(messages, logmsg_t *, x) {
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smartlist_add_asprintf(msgs, "[%s] %s",
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log_level_to_string(x->severity), x->msg);
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} SMARTLIST_FOREACH_END(x);
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out = smartlist_join_strings(msgs, "", 0, NULL);
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SMARTLIST_FOREACH(msgs, char *, cp, tor_free(cp));
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smartlist_free(msgs);
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return out;
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}
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static void
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clear_log_messages(void)
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{
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if (!messages)
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return;
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SMARTLIST_FOREACH(messages, logmsg_t *, m,
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{ tor_free(m->msg); tor_free(m); });
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smartlist_free(messages);
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messages = NULL;
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}
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static void
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test_options_validate_impl(const char *configuration,
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const char *expect_errmsg,
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int expect_log_severity,
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const char *expect_log)
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{
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or_options_t *opt = options_new();
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or_options_t *dflt;
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config_line_t *cl=NULL;
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char *msg=NULL;
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int r;
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opt->command = CMD_RUN_TOR;
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options_init(opt);
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dflt = config_dup(&options_format, opt);
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clear_log_messages();
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r = config_get_lines(configuration, &cl, 1);
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tt_int_op(r, ==, 0);
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r = config_assign(&options_format, opt, cl, 0, 0, &msg);
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tt_int_op(r, ==, 0);
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r = options_validate(NULL, opt, dflt, 0, &msg);
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if (expect_errmsg && !msg) {
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TT_DIE(("Expected error message <%s> from <%s>, but got none.",
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expect_errmsg, configuration));
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} else if (expect_errmsg && !strstr(msg, expect_errmsg)) {
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TT_DIE(("Expected error message <%s> from <%s>, but got <%s>.",
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expect_errmsg, configuration, msg));
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} else if (!expect_errmsg && msg) {
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TT_DIE(("Expected no error message from <%s> but got <%s>.",
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configuration, msg));
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}
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tt_int_op((r == 0), ==, (msg == NULL));
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if (expect_log) {
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int found = 0;
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if (messages) {
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SMARTLIST_FOREACH_BEGIN(messages, logmsg_t *, m) {
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if (m->severity == expect_log_severity &&
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strstr(m->msg, expect_log)) {
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found = 1;
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break;
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}
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} SMARTLIST_FOREACH_END(m);
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}
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if (!found) {
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tor_free(msg);
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msg = dump_logs();
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TT_DIE(("Expected log message [%s] %s from <%s>, but got <%s>.",
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log_level_to_string(expect_log_severity), expect_log,
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configuration, msg));
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}
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}
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done:
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config_free_lines(cl);
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or_options_free(opt);
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or_options_free(dflt);
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tor_free(msg);
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clear_log_messages();
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}
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#define WANT_ERR(config, msg) \
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test_options_validate_impl((config), (msg), 0, NULL)
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#define WANT_LOG(config, severity, msg) \
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test_options_validate_impl((config), NULL, (severity), (msg))
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#define WANT_ERR_LOG(config, msg, severity, logmsg) \
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test_options_validate_impl((config), (msg), (severity), (logmsg))
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#define OK(config) \
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test_options_validate_impl((config), NULL, 0, NULL)
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static void
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test_options_validate(void *arg)
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{
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(void)arg;
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setup_log_callback();
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WANT_ERR_LOG("ServerTransportOptions trebuchet",
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"ServerTransportOptions did not parse",
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LOG_WARN, "Too few arguments");
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OK("ServerTransportOptions trebuchet sling=snappy");
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OK("ServerTransportOptions trebuchet sling=");
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WANT_ERR_LOG("ServerTransportOptions trebuchet slingsnappy",
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"ServerTransportOptions did not parse",
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LOG_WARN, "\"slingsnappy\" is not a k=v");
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// done:
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clear_log_messages();
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return;
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}
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struct testcase_t options_tests[] = {
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{ "validate", test_options_validate, TT_FORK, NULL, NULL },
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END_OF_TESTCASES
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};
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