#include "clar_libgit2.h" #include "filebuf.h" #include "futils.h" #include "posix.h" #define TEST_CONFIG "git-test-config" static git_buf buf = GIT_BUF_INIT; void test_config_stress__initialize(void) { git_filebuf file = GIT_FILEBUF_INIT; cl_git_pass(git_filebuf_open(&file, TEST_CONFIG, 0, 0666)); git_filebuf_printf(&file, "[color]\n\tui = auto\n"); git_filebuf_printf(&file, "[core]\n\teditor = \n"); cl_git_pass(git_filebuf_commit(&file)); } void test_config_stress__cleanup(void) { git_buf_dispose(&buf); p_unlink(TEST_CONFIG); } void test_config_stress__dont_break_on_invalid_input(void) { git_config *config; cl_assert(git_fs_path_exists(TEST_CONFIG)); cl_git_pass(git_config_open_ondisk(&config, TEST_CONFIG)); cl_git_pass(git_config_get_string_buf(&buf, config, "color.ui")); cl_git_pass(git_config_get_string_buf(&buf, config, "core.editor")); git_config_free(config); } static void assert_config_value(git_config *config, const char *key, const char *value) { git_buf_dispose(&buf); cl_git_pass(git_config_get_string_buf(&buf, config, key)); cl_assert_equal_s(value, buf.ptr); } void test_config_stress__comments(void) { git_config *config; cl_git_pass(git_config_open_ondisk(&config, cl_fixture("config/config12"))); assert_config_value(config, "some.section.test2", "hello"); assert_config_value(config, "some.section.test3", "welcome"); assert_config_value(config, "some.section.other", "hello! \" ; ; ; "); assert_config_value(config, "some.section.other2", "cool! \" # # # "); assert_config_value(config, "some.section.multi", "hi, this is a ; multiline comment # with ;\n special chars and other stuff !@#"); assert_config_value(config, "some.section.multi2", "good, this is a ; multiline comment # with ;\n special chars and other stuff !@#"); assert_config_value(config, "some.section.back", "this is \ba phrase"); assert_config_value(config, "some.section.dollar", "some $sign"); assert_config_value(config, "some.section.multiquotes", "!ls x ls # comment2 $HOME"); assert_config_value(config, "some.section.multiquotes2", "!ls x ls \"# comment2 $HOME\""); assert_config_value(config, "some.section.multiquotes3", "hi # ho there are # more quotes"); assert_config_value(config, "some.section.quotecomment", "hi # ho there are # more"); git_config_free(config); } void test_config_stress__escape_subsection_names(void) { git_config *config; cl_assert(git_fs_path_exists("git-test-config")); cl_git_pass(git_config_open_ondisk(&config, TEST_CONFIG)); cl_git_pass(git_config_set_string(config, "some.sec\\tion.other", "foo")); git_config_free(config); cl_git_pass(git_config_open_ondisk(&config, TEST_CONFIG)); assert_config_value(config, "some.sec\\tion.other", "foo"); git_config_free(config); } void test_config_stress__trailing_backslash(void) { git_config *config; const char *path = "C:\\iam\\some\\windows\\path\\"; cl_assert(git_fs_path_exists("git-test-config")); cl_git_pass(git_config_open_ondisk(&config, TEST_CONFIG)); cl_git_pass(git_config_set_string(config, "windows.path", path)); git_config_free(config); cl_git_pass(git_config_open_ondisk(&config, TEST_CONFIG)); assert_config_value(config, "windows.path", path); git_config_free(config); } void test_config_stress__complex(void) { git_config *config; const char *path = "./config-immediate-multiline"; cl_git_mkfile(path, "[imm]\n multi = \"\\\nfoo\""); cl_git_pass(git_config_open_ondisk(&config, path)); assert_config_value(config, "imm.multi", "foo"); git_config_free(config); } void test_config_stress__quick_write(void) { git_config *config_w, *config_r; const char *path = "./config-quick-write"; const char *key = "quick.write"; int32_t i; /* Create an external writer for one instance with the other one */ cl_git_pass(git_config_open_ondisk(&config_w, path)); cl_git_pass(git_config_open_ondisk(&config_r, path)); /* Write and read in the same second (repeat to increase the chance of it happening) */ for (i = 0; i < 10; i++) { int32_t val; cl_git_pass(git_config_set_int32(config_w, key, i)); cl_msleep(1); cl_git_pass(git_config_get_int32(&val, config_r, key)); cl_assert_equal_i(i, val); } git_config_free(config_r); git_config_free(config_w); } static int foreach_cb(const git_config_entry *entry, void *payload) { if (!strcmp(entry->name, "key.value")) { *(char **)payload = git__strdup(entry->value); return 0; } return -1; } void test_config_stress__foreach_refreshes(void) { git_config *config_w, *config_r; char *value = NULL; cl_git_pass(git_config_open_ondisk(&config_w, "./cfg")); cl_git_pass(git_config_open_ondisk(&config_r, "./cfg")); cl_git_pass(git_config_set_string(config_w, "key.value", "1")); cl_git_pass(git_config_foreach_match(config_r, "key.value", foreach_cb, &value)); cl_assert_equal_s(value, "1"); git_config_free(config_r); git_config_free(config_w); git__free(value); } void test_config_stress__foreach_refreshes_snapshot(void) { git_config *config, *snapshot; char *value = NULL; cl_git_pass(git_config_open_ondisk(&config, "./cfg")); cl_git_pass(git_config_set_string(config, "key.value", "1")); cl_git_pass(git_config_snapshot(&snapshot, config)); cl_git_pass(git_config_foreach_match(snapshot, "key.value", foreach_cb, &value)); cl_assert_equal_s(value, "1"); git_config_free(snapshot); git_config_free(config); git__free(value); } void test_config_stress__huge_section_with_many_values(void) { git_config *config; if (!cl_is_env_set("GITTEST_INVASIVE_SPEED")) cl_skip(); /* * The config file is structured in such a way that is * has a section header that is approximately 500kb of * size followed by 40k entries. While the resulting * configuration file itself is roughly 650kb in size and * thus considered to be rather small, in the past we'd * balloon to more than 20GB of memory (20000x500kb) * while parsing the file. It thus was a trivial way to * cause an out-of-memory situation and thus cause denial * of service, e.g. via gitmodules. */ cl_git_pass(git_config_open_ondisk(&config, cl_fixture("config/config-oom"))); git_config_free(config); }