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Make options_init_from_torrc smaller #40102
Split implementation of several command line options from options_init_from_torrc into smaller isolated functions.
This commit is contained in:
Daniel Pinto
parent
8669ace2fb
commit
ebaa1a1d23
4
changes/ticket40102
Normal file
4
changes/ticket40102
Normal file
@ -0,0 +1,4 @@
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o Code simplification and refactoring:
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- Split implementation of several command line options from
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options_init_from_torrc into smaller isolated functions.
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Patch by Daniel Pinto. Closes ticket 40102.
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@ -37,7 +37,7 @@ problem file-size /src/app/config/config.c 7525
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problem include-count /src/app/config/config.c 81
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problem function-size /src/app/config/config.c:options_act() 381
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problem function-size /src/app/config/config.c:options_validate_cb() 794
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problem function-size /src/app/config/config.c:options_init_from_torrc() 230
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problem function-size /src/app/config/config.c:options_init_from_torrc() 139
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problem function-size /src/app/config/config.c:options_init_from_string() 103
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problem function-size /src/app/config/config.c:options_init_logs() 125
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problem function-size /src/app/config/config.c:parse_bridge_line() 104
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@ -2727,6 +2727,140 @@ list_enabled_modules(void)
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// test variants in test_parseconf.sh to no useful purpose.
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}
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/** Prints compile-time and runtime library versions. */
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static void
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print_library_versions(void)
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{
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printf("Tor version %s. \n", get_version());
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printf("Library versions\tCompiled\t\tRuntime\n");
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printf("Libevent\t\t%-15s\t\t%s\n",
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tor_libevent_get_header_version_str(),
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tor_libevent_get_version_str());
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#ifdef ENABLE_OPENSSL
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printf("OpenSSL \t\t%-15s\t\t%s\n",
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crypto_openssl_get_header_version_str(),
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crypto_openssl_get_version_str());
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#endif
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#ifdef ENABLE_NSS
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printf("NSS \t\t%-15s\t\t%s\n",
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crypto_nss_get_header_version_str(),
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crypto_nss_get_version_str());
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#endif
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if (tor_compress_supports_method(ZLIB_METHOD)) {
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printf("Zlib \t\t%-15s\t\t%s\n",
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tor_compress_version_str(ZLIB_METHOD),
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tor_compress_header_version_str(ZLIB_METHOD));
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}
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if (tor_compress_supports_method(LZMA_METHOD)) {
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printf("Liblzma \t\t%-15s\t\t%s\n",
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tor_compress_version_str(LZMA_METHOD),
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tor_compress_header_version_str(LZMA_METHOD));
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}
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if (tor_compress_supports_method(ZSTD_METHOD)) {
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printf("Libzstd \t\t%-15s\t\t%s\n",
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tor_compress_version_str(ZSTD_METHOD),
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tor_compress_header_version_str(ZSTD_METHOD));
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}
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if (tor_libc_get_name()) {
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printf("%-7s \t\t%-15s\t\t%s\n",
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tor_libc_get_name(),
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tor_libc_get_header_version_str(),
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tor_libc_get_version_str());
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}
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//TODO: Hex versions?
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}
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/** Handles the --no-passphrase command line option. */
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static int
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handle_cmdline_no_passphrase(tor_cmdline_mode_t command)
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{
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if (command == CMD_KEYGEN) {
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get_options_mutable()->keygen_force_passphrase = FORCE_PASSPHRASE_OFF;
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return 0;
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} else {
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log_err(LD_CONFIG, "--no-passphrase specified without --keygen!");
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return -1;
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}
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}
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/** Handles the --format command line option. */
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static int
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handle_cmdline_format(tor_cmdline_mode_t command, const char *value)
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{
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if (command == CMD_KEY_EXPIRATION) {
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// keep the same order as enum key_expiration_format
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const char *formats[] = { "iso8601", "timestamp" };
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int format = -1;
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for (unsigned i = 0; i < ARRAY_LENGTH(formats); i++) {
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if (!strcmp(value, formats[i])) {
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format = i;
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break;
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}
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}
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if (format < 0) {
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log_err(LD_CONFIG, "Invalid --format value %s", escaped(value));
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return -1;
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} else {
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get_options_mutable()->key_expiration_format = format;
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}
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return 0;
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} else {
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log_err(LD_CONFIG, "--format specified without --key-expiration!");
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return -1;
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}
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}
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/** Handles the --newpass command line option. */
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static int
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handle_cmdline_newpass(tor_cmdline_mode_t command)
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{
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if (command == CMD_KEYGEN) {
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get_options_mutable()->change_key_passphrase = 1;
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return 0;
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} else {
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log_err(LD_CONFIG, "--newpass specified without --keygen!");
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return -1;
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}
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}
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/** Handles the --passphrase-fd command line option. */
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static int
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handle_cmdline_passphrase_fd(tor_cmdline_mode_t command, const char *value)
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{
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if (get_options()->keygen_force_passphrase == FORCE_PASSPHRASE_OFF) {
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log_err(LD_CONFIG, "--no-passphrase specified with --passphrase-fd!");
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return -1;
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} else if (command != CMD_KEYGEN) {
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log_err(LD_CONFIG, "--passphrase-fd specified without --keygen!");
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return -1;
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} else {
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int ok = 1;
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long fd = tor_parse_long(value, 10, 0, INT_MAX, &ok, NULL);
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if (fd < 0 || ok == 0) {
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log_err(LD_CONFIG, "Invalid --passphrase-fd value %s", escaped(value));
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return -1;
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}
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get_options_mutable()->keygen_passphrase_fd = (int)fd;
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get_options_mutable()->use_keygen_passphrase_fd = 1;
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get_options_mutable()->keygen_force_passphrase = FORCE_PASSPHRASE_ON;
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return 0;
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}
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}
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/** Handles the --master-key command line option. */
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static int
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handle_cmdline_master_key(tor_cmdline_mode_t command, const char *value)
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{
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if (command != CMD_KEYGEN) {
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log_err(LD_CONFIG, "--master-key without --keygen!");
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return -1;
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} else {
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get_options_mutable()->master_key_fname = tor_strdup(value);
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return 0;
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}
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}
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/* Return true if <b>options</b> is using the default authorities, and false
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* if any authority-related option has been overridden. */
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int
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@ -4339,43 +4473,7 @@ options_init_from_torrc(int argc, char **argv)
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}
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if (config_line_find(cmdline_only_options, "--library-versions")) {
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printf("Tor version %s. \n", get_version());
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printf("Library versions\tCompiled\t\tRuntime\n");
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printf("Libevent\t\t%-15s\t\t%s\n",
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tor_libevent_get_header_version_str(),
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tor_libevent_get_version_str());
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#ifdef ENABLE_OPENSSL
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printf("OpenSSL \t\t%-15s\t\t%s\n",
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crypto_openssl_get_header_version_str(),
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crypto_openssl_get_version_str());
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#endif
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#ifdef ENABLE_NSS
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printf("NSS \t\t%-15s\t\t%s\n",
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crypto_nss_get_header_version_str(),
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crypto_nss_get_version_str());
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#endif
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if (tor_compress_supports_method(ZLIB_METHOD)) {
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printf("Zlib \t\t%-15s\t\t%s\n",
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tor_compress_version_str(ZLIB_METHOD),
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tor_compress_header_version_str(ZLIB_METHOD));
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}
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if (tor_compress_supports_method(LZMA_METHOD)) {
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printf("Liblzma \t\t%-15s\t\t%s\n",
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tor_compress_version_str(LZMA_METHOD),
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tor_compress_header_version_str(LZMA_METHOD));
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}
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if (tor_compress_supports_method(ZSTD_METHOD)) {
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printf("Libzstd \t\t%-15s\t\t%s\n",
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tor_compress_version_str(ZSTD_METHOD),
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tor_compress_header_version_str(ZSTD_METHOD));
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}
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if (tor_libc_get_name()) {
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printf("%-7s \t\t%-15s\t\t%s\n",
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tor_libc_get_name(),
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tor_libc_get_header_version_str(),
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tor_libc_get_version_str());
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}
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//TODO: Hex versions?
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print_library_versions();
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return 1;
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}
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@ -4389,10 +4487,7 @@ options_init_from_torrc(int argc, char **argv)
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cf = tor_strdup("");
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} else {
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cf_defaults = load_torrc_from_disk(cmdline_only_options, 1);
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const config_line_t *f_line = config_line_find(cmdline_only_options,
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"-f");
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const config_line_t *f_line = config_line_find(cmdline_only_options, "-f");
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const int read_torrc_from_stdin =
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(f_line != NULL && strcmp(f_line->value, "-") == 0);
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@ -4413,15 +4508,11 @@ options_init_from_torrc(int argc, char **argv)
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retval = options_init_from_string(cf_defaults, cf, command, command_arg,
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&errmsg);
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if (retval < 0)
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goto err;
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if (config_line_find(cmdline_only_options, "--no-passphrase")) {
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if (command == CMD_KEYGEN) {
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get_options_mutable()->keygen_force_passphrase = FORCE_PASSPHRASE_OFF;
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} else {
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log_err(LD_CONFIG, "--no-passphrase specified without --keygen!");
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if (handle_cmdline_no_passphrase(command) < 0) {
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retval = -1;
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goto err;
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}
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@ -4430,27 +4521,7 @@ options_init_from_torrc(int argc, char **argv)
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const config_line_t *format_line = config_line_find(cmdline_only_options,
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"--format");
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if (format_line) {
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if (command == CMD_KEY_EXPIRATION) {
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const char *v = format_line->value;
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// keep the same order as enum key_expiration_format
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const char *formats[] = { "iso8601", "timestamp" };
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int format = -1;
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for (unsigned i = 0; i < ARRAY_LENGTH(formats); i++) {
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if (!strcmp(v, formats[i])) {
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format = i;
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break;
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}
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}
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if (format < 0) {
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log_err(LD_CONFIG, "Invalid --format value %s", escaped(v));
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retval = -1;
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goto err;
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} else {
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get_options_mutable()->key_expiration_format = format;
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}
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} else {
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log_err(LD_CONFIG, "--format specified without --key-expiration!");
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if (handle_cmdline_format(command, format_line->value) < 0) {
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retval = -1;
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goto err;
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}
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@ -4460,59 +4531,31 @@ options_init_from_torrc(int argc, char **argv)
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}
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if (config_line_find(cmdline_only_options, "--newpass")) {
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if (command == CMD_KEYGEN) {
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get_options_mutable()->change_key_passphrase = 1;
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} else {
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log_err(LD_CONFIG, "--newpass specified without --keygen!");
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if (handle_cmdline_newpass(command) < 0) {
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retval = -1;
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goto err;
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}
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}
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{
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const config_line_t *fd_line = config_line_find(cmdline_only_options,
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"--passphrase-fd");
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if (fd_line) {
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if (get_options()->keygen_force_passphrase == FORCE_PASSPHRASE_OFF) {
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log_err(LD_CONFIG, "--no-passphrase specified with --passphrase-fd!");
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if (handle_cmdline_passphrase_fd(command, fd_line->value) < 0) {
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retval = -1;
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goto err;
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} else if (command != CMD_KEYGEN) {
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log_err(LD_CONFIG, "--passphrase-fd specified without --keygen!");
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retval = -1;
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goto err;
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} else {
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const char *v = fd_line->value;
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int ok = 1;
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long fd = tor_parse_long(v, 10, 0, INT_MAX, &ok, NULL);
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if (fd < 0 || ok == 0) {
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log_err(LD_CONFIG, "Invalid --passphrase-fd value %s", escaped(v));
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retval = -1;
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goto err;
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}
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get_options_mutable()->keygen_passphrase_fd = (int)fd;
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get_options_mutable()->use_keygen_passphrase_fd = 1;
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get_options_mutable()->keygen_force_passphrase = FORCE_PASSPHRASE_ON;
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}
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}
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}
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{
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const config_line_t *key_line = config_line_find(cmdline_only_options,
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"--master-key");
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if (key_line) {
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if (command != CMD_KEYGEN) {
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log_err(LD_CONFIG, "--master-key without --keygen!");
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if (handle_cmdline_master_key(command, key_line->value) < 0) {
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retval = -1;
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goto err;
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} else {
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get_options_mutable()->master_key_fname = tor_strdup(key_line->value);
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}
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}
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}
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err:
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tor_free(cf);
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tor_free(cf_defaults);
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if (errmsg) {
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