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New unit tests for options_create_directories().

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This commit is contained in:
Nick Mathewson 2019-11-19 11:52:10 -05:00
parent 9951afe177
commit 3094651fa3
4 changed files with 184 additions and 0 deletions
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1
src/test/include.am
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@ -177,6 +177,7 @@ src_test_test_SOURCES += \
src/test/test_oom.c \
src/test/test_oos.c \
src/test/test_options.c \
src/test/test_options_act.c \
src/test/test_pem.c \
src/test/test_periodic_event.c \
src/test/test_policy.c \

1
src/test/test.c
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@ -732,6 +732,7 @@ struct testgroup_t testgroups[] = {
{ "oom/", oom_tests },
{ "oos/", oos_tests },
{ "options/", options_tests },
{ "options/act/", options_act_tests },
{ "parsecommon/", parsecommon_tests },
{ "periodic-event/" , periodic_event_tests },
{ "policy/" , policy_tests },

1
src/test/test.h
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@ -252,6 +252,7 @@ extern struct testcase_t nodelist_tests[];
extern struct testcase_t oom_tests[];
extern struct testcase_t oos_tests[];
extern struct testcase_t options_tests[];
extern struct testcase_t options_act_tests[];
extern struct testcase_t parsecommon_tests[];
extern struct testcase_t pem_tests[];
extern struct testcase_t periodic_event_tests[];

181
src/test/test_options_act.c Normal file
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@ -0,0 +1,181 @@
/* Copyright (c) 2001-2004, Roger Dingledine.
* Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
* Copyright (c) 2007-2019, The Tor Project, Inc. */
/* See LICENSE for licensing information */
#define CONFIG_PRIVATE
#include "core/or/or.h"
#include "app/config/config.h"
#include "test/test.h"
#include "test/log_test_helpers.h"
#include "test/test_helpers.h"
#ifndef _WIN32
#include <sys/stat.h>
/**
* Check whether fname is readable. On success set
* *<b>is_group_readable_out</b> to as appropriate and return 0. On failure
* return -1.
*/
static int
get_file_mode(const char *fname, unsigned *permissions_out)
{
struct stat st;
int r = stat(fname, &st);
if (r < 0)
return -1;
*permissions_out = (unsigned) st.st_mode;
return 0;
}
#define assert_mode(fn,mask,expected) STMT_BEGIN \
unsigned mode_; \
int tmp_ = get_file_mode((fn), &mode_); \
if (tmp_ < 0) { \
TT_DIE(("Couldn't stat %s: %s", (fn), strerror(errno))); \
} \
if ((mode_ & (mask)) != (expected)) { \
TT_DIE(("Bad mode %o on %s", mode_, (fn))); \
} \
STMT_END
#else
/* "group-readable" isn't meaningful on windows */
#define assert_mode(fn,mask,expected) STMT_NIL
#endif
static or_options_t *mock_opts;
static const or_options_t *
mock_get_options(void)
{
return mock_opts;
}
static void
test_options_act_create_dirs(void *arg)
{
(void)arg;
MOCK(get_options, mock_get_options);
char *msg = NULL;
or_options_t *opts = mock_opts = options_new();
/* We're testing options_create_directories(), which assumes that
validate_data_directories() has already been called, and all of
KeyDirectory, DataDirectory, and CacheDirectory are set. */
/* Success case 1: all directories are the default */
char *fn;
fn = tor_strdup(get_fname_rnd("ddir"));
opts->DataDirectory = tor_strdup(fn);
opts->CacheDirectory = tor_strdup(fn);
tor_asprintf(&opts->KeyDirectory, "%s/keys", fn);
opts->DataDirectoryGroupReadable = 1;
opts->CacheDirectoryGroupReadable = -1; /* default. */
int r = options_create_directories(&msg);
tt_int_op(r, OP_EQ, 0);
tt_ptr_op(msg, OP_EQ, NULL);
tt_int_op(FN_DIR, OP_EQ, file_status(opts->DataDirectory));
tt_int_op(FN_DIR, OP_EQ, file_status(opts->CacheDirectory));
tt_int_op(FN_DIR, OP_EQ, file_status(opts->KeyDirectory));
assert_mode(opts->DataDirectory, 0777, 0750);
assert_mode(opts->KeyDirectory, 0777, 0700);
tor_free(fn);
tor_free(opts->KeyDirectory);
or_options_free(opts);
/* Success case 2: all directories are different. */
opts = mock_opts = options_new();
opts->DataDirectory = tor_strdup(get_fname_rnd("ddir"));
opts->CacheDirectory = tor_strdup(get_fname_rnd("cdir"));
opts->KeyDirectory = tor_strdup(get_fname_rnd("kdir"));
opts->CacheDirectoryGroupReadable = 1; // cache directory group readable
r = options_create_directories(&msg);
tt_int_op(r, OP_EQ, 0);
tt_ptr_op(msg, OP_EQ, NULL);
tt_int_op(FN_DIR, OP_EQ, file_status(opts->DataDirectory));
tt_int_op(FN_DIR, OP_EQ, file_status(opts->CacheDirectory));
tt_int_op(FN_DIR, OP_EQ, file_status(opts->KeyDirectory));
assert_mode(opts->DataDirectory, 0777, 0700);
assert_mode(opts->KeyDirectory, 0777, 0700);
assert_mode(opts->CacheDirectory, 0777, 0750);
tor_free(fn);
or_options_free(opts);
/* Success case 3: all directories are the same. */
opts = mock_opts = options_new();
fn = tor_strdup(get_fname_rnd("ddir"));
opts->DataDirectory = tor_strdup(fn);
opts->CacheDirectory = tor_strdup(fn);
opts->KeyDirectory = tor_strdup(fn);
opts->DataDirectoryGroupReadable = 1;
opts->CacheDirectoryGroupReadable = -1; /* default. */
#if 1
/* Bug 27992: this setting shouldn't be needed, but for now it is, in the
* unusual case that DataDirectory == KeyDirectory */
opts->KeyDirectoryGroupReadable = 1;
#endif
r = options_create_directories(&msg);
tt_int_op(r, OP_EQ, 0);
tt_ptr_op(msg, OP_EQ, NULL);
tt_int_op(FN_DIR, OP_EQ, file_status(opts->DataDirectory));
tt_int_op(FN_DIR, OP_EQ, file_status(opts->CacheDirectory));
tt_int_op(FN_DIR, OP_EQ, file_status(opts->KeyDirectory));
assert_mode(opts->DataDirectory, 0777, 0750);
assert_mode(opts->KeyDirectory, 0777, 0750);
assert_mode(opts->CacheDirectory, 0777, 0750);
tor_free(fn);
or_options_free(opts);
/* Failure case 1: Can't make datadir. */
opts = mock_opts = options_new();
opts->DataDirectory = tor_strdup(get_fname_rnd("ddir"));
opts->CacheDirectory = tor_strdup(get_fname_rnd("cdir"));
opts->KeyDirectory = tor_strdup(get_fname_rnd("kdir"));
write_str_to_file(opts->DataDirectory, "foo", 0);
r = options_create_directories(&msg);
tt_int_op(r, OP_LT, 0);
tt_assert(!strcmpstart(msg, "Couldn't create private data directory"));
or_options_free(opts);
tor_free(msg);
/* Failure case 2: Can't make keydir. */
opts = mock_opts = options_new();
opts->DataDirectory = tor_strdup(get_fname_rnd("ddir"));
opts->CacheDirectory = tor_strdup(get_fname_rnd("cdir"));
opts->KeyDirectory = tor_strdup(get_fname_rnd("kdir"));
write_str_to_file(opts->KeyDirectory, "foo", 0);
r = options_create_directories(&msg);
tt_int_op(r, OP_LT, 0);
tt_assert(!strcmpstart(msg, "Couldn't create private data directory"));
or_options_free(opts);
tor_free(msg);
/* Failure case 3: Can't make cachedir. */
opts = mock_opts = options_new();
opts->DataDirectory = tor_strdup(get_fname_rnd("ddir"));
opts->CacheDirectory = tor_strdup(get_fname_rnd("cdir"));
opts->KeyDirectory = tor_strdup(get_fname_rnd("kdir"));
write_str_to_file(opts->CacheDirectory, "foo", 0);
r = options_create_directories(&msg);
tt_int_op(r, OP_LT, 0);
tt_assert(!strcmpstart(msg, "Couldn't create private data directory"));
tor_free(fn);
or_options_free(opts);
tor_free(msg);
done:
UNMOCK(get_options);
or_options_free(opts);
mock_opts = NULL;
tor_free(fn);
tor_free(msg);
}
#ifndef COCCI
#define T(name) { #name, test_options_act_##name, TT_FORK, NULL, NULL }
#endif
struct testcase_t options_act_tests[] = {
T(create_dirs),
END_OF_TESTCASES
};