X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=src%2Fcryptsetup.c;h=b520d40f56931d4472ba320ef4c35840bf6ee07e;hb=3cbb43a73a5504a4c4285394a4876eef202d7620;hp=8b3228b03c186cc162bcbf6d0d5f0fd368a66d08;hpb=ce2218ed6505de0dc84698fbf1e30a7a4ad35eee;p=platform%2Fupstream%2Fcryptsetup.git diff --git a/src/cryptsetup.c b/src/cryptsetup.c index 8b3228b..b520d40 100644 --- a/src/cryptsetup.c +++ b/src/cryptsetup.c @@ -19,25 +19,8 @@ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - #include "cryptsetup.h" -static int opt_verbose = 0; -static int opt_debug = 0; static const char *opt_cipher = NULL; static const char *opt_hash = NULL; static int opt_verify_passphrase = 0; @@ -58,7 +41,6 @@ static uint64_t opt_skip = 0; static int opt_skip_valid = 0; static int opt_readonly = 0; static int opt_iteration_time = 1000; -static int opt_batch_mode = 0; static int opt_version_mode = 0; static int opt_timeout = 0; static int opt_tries = 3; @@ -68,14 +50,18 @@ static int opt_urandom = 0; static int opt_dump_master_key = 0; static int opt_shared = 0; static int opt_allow_discards = 0; +static int opt_test_passphrase = 0; +static int opt_hidden = 0; static const char **action_argv; static int action_argc; +static const char *null_action_argv[] = {NULL, NULL}; static int action_create(int arg); static int action_remove(int arg); static int action_resize(int arg); static int action_status(int arg); +static int action_benchmark(int arg); static int action_luksFormat(int arg); static int action_luksOpen(int arg); static int action_luksAddKey(int arg); @@ -91,6 +77,7 @@ static int action_luksBackup(int arg); static int action_luksRestore(int arg); static int action_loopaesOpen(int arg); static int action_luksRepair(int arg); +static int action_tcryptOpen(int arg); static struct action_type { const char *type; @@ -105,6 +92,7 @@ static struct action_type { { "remove", action_remove, 0, 1, 1, N_(""), N_("remove device") }, { "resize", action_resize, 0, 1, 1, N_(""), N_("resize active device") }, { "status", action_status, 0, 1, 0, N_(""), N_("show device status") }, + { "benchmark", action_benchmark, 0, 0, 0, N_(""), N_("benchmark cipher") }, { "repair", action_luksRepair, 0, 1, 1, N_(""), N_("try to repair on-disk metadata") }, { "luksFormat", action_luksFormat, 0, 1, 1, N_(" []"), N_("formats a LUKS device") }, { "luksOpen", action_luksOpen, 0, 2, 1, N_(" "), N_("open LUKS device as mapping ") }, @@ -122,87 +110,10 @@ static struct action_type { { "luksHeaderRestore",action_luksRestore,0,1, 1, N_(""), N_("Restore LUKS device header and keyslots") }, { "loopaesOpen",action_loopaesOpen, 0, 2, 1, N_(" "), N_("open loop-AES device as mapping ") }, { "loopaesClose",action_remove, 0, 1, 1, N_(""), N_("remove loop-AES mapping") }, + { "tcryptOpen", action_tcryptOpen, 0, 2, 1, N_(" "), N_("open TCRYPT device as mapping ") }, { NULL, NULL, 0, 0, 0, NULL, NULL } }; -__attribute__((format(printf, 5, 6))) -static void clogger(struct crypt_device *cd, int level, const char *file, - int line, const char *format, ...) -{ - va_list argp; - char *target = NULL; - - va_start(argp, format); - - if (vasprintf(&target, format, argp) > 0) { - if (level >= 0) { - crypt_log(cd, level, target); -#ifdef CRYPT_DEBUG - } else if (opt_debug) - printf("# %s:%d %s\n", file ?: "?", line, target); -#else - } else if (opt_debug) - printf("# %s\n", target); -#endif - } - - va_end(argp); - free(target); -} - -static int _yesDialog(const char *msg, void *usrptr __attribute__((unused))) -{ - char *answer = NULL; - size_t size = 0; - int r = 1; - - if(isatty(STDIN_FILENO) && !opt_batch_mode) { - log_std("\nWARNING!\n========\n"); - log_std("%s\n\nAre you sure? (Type uppercase yes): ", msg); - if(getline(&answer, &size, stdin) == -1) { - perror("getline"); - free(answer); - return 0; - } - if(strcmp(answer, "YES\n")) - r = 0; - free(answer); - } - - return r; -} - -static void _log(int level, const char *msg, void *usrptr __attribute__((unused))) -{ - switch(level) { - - case CRYPT_LOG_NORMAL: - fputs(msg, stdout); - break; - case CRYPT_LOG_VERBOSE: - if (opt_verbose) - fputs(msg, stdout); - break; - case CRYPT_LOG_ERROR: - fputs(msg, stderr); - break; - case CRYPT_LOG_DEBUG: - if (opt_debug) - printf("# %s\n", msg); - break; - default: - fprintf(stderr, "Internal error on logging class for msg: %s", msg); - break; - } -} - -static void _quiet_log(int level, const char *msg, void *usrptr) -{ - if (!opt_verbose && (level == CRYPT_LOG_ERROR || level == CRYPT_LOG_NORMAL)) - level = CRYPT_LOG_VERBOSE; - _log(level, msg, usrptr); -} - static int _verify_passphrase(int def) { /* Batch mode switch off verify - if not overrided by -y */ @@ -221,60 +132,6 @@ static int _verify_passphrase(int def) return def; } -static void show_status(int errcode) -{ - char error[256], *error_; - - if(!opt_verbose) - return; - - if(!errcode) { - log_std(_("Command successful.\n")); - return; - } - - crypt_get_error(error, sizeof(error)); - - if (!error[0]) { - error_ = strerror_r(-errcode, error, sizeof(error)); - if (error_ != error) { - strncpy(error, error_, sizeof(error)); - error[sizeof(error) - 1] = '\0'; - } - } - - log_err(_("Command failed with code %i"), -errcode); - if (*error) - log_err(": %s\n", error); - else - log_err(".\n"); -} - -static const char *uuid_or_device(const char *spec) -{ - static char device[PATH_MAX]; - char s, *ptr; - int i = 0, uuid_len = 5; - - /* Check if it is correct UUID= format */ - if (spec && !strncmp(spec, "UUID=", uuid_len)) { - strcpy(device, "/dev/disk/by-uuid/"); - ptr = &device[strlen(device)]; - i = uuid_len; - while ((s = spec[i++]) && i < PATH_MAX) { - if (!isxdigit(s) && s != '-') - return spec; /* Bail it out */ - if (isalpha(s)) - s = tolower(s); - *ptr++ = s; - } - *ptr = '\0'; - return device; - } - - return spec; -} - static int action_create(int arg __attribute__((unused))) { struct crypt_device *cd = NULL; @@ -398,6 +255,47 @@ out: return r; } +static int action_tcryptOpen(int arg __attribute__((unused))) +{ + struct crypt_device *cd = NULL; + struct crypt_params_tcrypt params = {}; + const char *activated_name; + uint32_t flags = 0; + int r; + + activated_name = opt_test_passphrase ? NULL : action_argv[1]; + + if ((r = crypt_init(&cd, action_argv[0]))) + goto out; + + /* TCRYPT header is encrypted, get passphrase now */ + r = crypt_get_key(_("Enter passphrase: "), + CONST_CAST(char**)¶ms.passphrase, + ¶ms.passphrase_size, + opt_keyfile_offset, opt_keyfile_size, + NULL, opt_timeout, + _verify_passphrase(0), + cd); + if (r < 0) + goto out; + + if (opt_hidden) + params.flags |= CRYPT_TCRYPT_HIDDEN_HEADER; + + r = crypt_load(cd, CRYPT_TCRYPT, ¶ms); + if (r < 0) + goto out; + + if (opt_readonly) + flags |= CRYPT_ACTIVATE_READONLY; + + r = crypt_activate_by_volume_key(cd, activated_name, NULL, 0, flags); +out: + crypt_free(cd); + crypt_safe_free(CONST_CAST(char*)params.passphrase); + return r; +} + static int action_remove(int arg __attribute__((unused))) { struct crypt_device *cd = NULL; @@ -494,6 +392,82 @@ out: return r; } +static int action_benchmark(int arg __attribute__((unused))) +{ + static struct { + char *cipher; + char *mode; + size_t key_size; + size_t iv_size; + } bciphers[] = { + { "aes", "cbc", 16, 16 }, + { "serpent", "cbc", 16, 16 }, + { "twofish", "cbc", 16, 16 }, + { "aes", "cbc", 32, 16 }, + { "serpent", "cbc", 32, 16 }, + { "twofish", "cbc", 32, 16 }, + { "aes", "xts", 32, 16 }, + { "serpent", "xts", 32, 16 }, + { "twofish", "xts", 32, 16 }, + { "aes", "xts", 64, 16 }, + { "serpent", "xts", 64, 16 }, + { "twofish", "xts", 64, 16 }, + { NULL, NULL, 0, 0 } + }; + char *header = "# Tests are approximate using memory only (no storage IO).\n" + "# Algorithm | Key | Encryption | Decryption\n"; + char cipher[MAX_CIPHER_LEN], cipher_mode[MAX_CIPHER_LEN]; + double enc_mbr = 0, dec_mbr = 0; + int key_size = (opt_key_size ?: DEFAULT_PLAIN_KEYBITS); + int iv_size = 16; + int buffer_size = 1024 * 1024; + char *c; + int i, r; + + if (opt_cipher) { + r = crypt_parse_name_and_mode(opt_cipher, cipher, NULL, cipher_mode); + if (r < 0) { + log_err(_("No known cipher specification pattern detected.\n")); + return r; + } + if ((c = strchr(cipher_mode, '-'))) + *c = '\0'; + + /* FIXME: not really clever :) */ + if (strstr(cipher, "des")) + iv_size = 8; + + r = crypt_benchmark(NULL, cipher, cipher_mode, + key_size / 8, iv_size, buffer_size, + &enc_mbr, &dec_mbr); + if (!r) { + log_std("%s", header); + strncat(cipher, "-", MAX_CIPHER_LEN); + strncat(cipher, cipher_mode, MAX_CIPHER_LEN); + log_std("%11s %4db %5.1f MiB/s %5.1f MiB/s\n", + cipher, key_size, enc_mbr, dec_mbr); + } else + log_err(_("Cannot benchmark %s.\n"), cipher); + } else { + log_std("%s", header); + for (i = 0; bciphers[i].cipher; i++) { + r = crypt_benchmark(NULL, bciphers[i].cipher, bciphers[i].mode, + bciphers[i].key_size, bciphers[i].iv_size, + buffer_size, &enc_mbr, &dec_mbr); + snprintf(cipher, MAX_CIPHER_LEN, "%s-%s", + bciphers[i].cipher, bciphers[i].mode); + if (!r) + log_std("%11s %4db %5.1f MiB/s %5.1f MiB/s\n", + cipher, bciphers[i].key_size*8, enc_mbr, dec_mbr); + else + log_std("%11s %4db %12s %12s\n", cipher, + bciphers[i].key_size*8, _("N/A"), _("N/A")); + } + } + + return r; +} + static int _read_mk(const char *file, char **key, int keysize) { int fd; @@ -529,15 +503,15 @@ static int action_luksRepair(int arg __attribute__((unused))) goto out; /* Currently only LUKS1 allows repair */ - crypt_set_log_callback(cd, _quiet_log, NULL); + crypt_set_log_callback(cd, quiet_log, NULL); r = crypt_load(cd, CRYPT_LUKS1, NULL); - crypt_set_log_callback(cd, _log, NULL); + crypt_set_log_callback(cd, tool_log, NULL); if (r == 0) { log_verbose( _("No known problems detected for LUKS header.\n")); goto out; } - r = _yesDialog(_("Really try to repair LUKS device header?"), + r = yesDialog(_("Really try to repair LUKS device header?"), NULL) ? 0 : -EINVAL; if (r == 0) r = crypt_repair(cd, CRYPT_LUKS1, NULL); @@ -568,7 +542,7 @@ static int action_luksFormat(int arg __attribute__((unused))) r = -ENOMEM; goto out; } - r = _yesDialog(msg, NULL) ? 0 : -EINVAL; + r = yesDialog(msg, NULL) ? 0 : -EINVAL; free(msg); if (r < 0) goto out; @@ -628,7 +602,7 @@ out: static int action_luksOpen(int arg __attribute__((unused))) { struct crypt_device *cd = NULL; - const char *data_device, *header_device; + const char *data_device, *header_device, *activated_name; char *key = NULL; uint32_t flags = 0; int r, keysize; @@ -641,6 +615,8 @@ static int action_luksOpen(int arg __attribute__((unused))) data_device = NULL; } + activated_name = opt_test_passphrase ? NULL : action_argv[1]; + if ((r = crypt_init(&cd, header_device))) goto out; @@ -675,15 +651,15 @@ static int action_luksOpen(int arg __attribute__((unused))) r = _read_mk(opt_master_key_file, &key, keysize); if (r < 0) goto out; - r = crypt_activate_by_volume_key(cd, action_argv[1], + r = crypt_activate_by_volume_key(cd, activated_name, key, keysize, flags); } else if (opt_key_file) { crypt_set_password_retry(cd, 1); - r = crypt_activate_by_keyfile_offset(cd, action_argv[1], + r = crypt_activate_by_keyfile_offset(cd, activated_name, opt_key_slot, opt_key_file, opt_keyfile_size, opt_keyfile_offset, flags); } else - r = crypt_activate_by_passphrase(cd, action_argv[1], + r = crypt_activate_by_passphrase(cd, activated_name, opt_key_slot, NULL, 0, flags); out: crypt_safe_free(key); @@ -702,7 +678,7 @@ static int verify_keyslot(struct crypt_device *cd, int key_slot, int i, r; ki = crypt_keyslot_status(cd, key_slot); - if (ki == CRYPT_SLOT_ACTIVE_LAST && msg_last && !_yesDialog(msg_last, NULL)) + if (ki == CRYPT_SLOT_ACTIVE_LAST && msg_last && !yesDialog(msg_last, NULL)) return -EPERM; r = crypt_get_key(msg_pass, &password, &passwordLen, @@ -729,7 +705,7 @@ static int verify_keyslot(struct crypt_device *cd, int key_slot, } } - if (r < 0) + if (r == -EPERM) log_err(_("No key available with this passphrase.\n")); out: crypt_safe_free(password); @@ -744,7 +720,7 @@ static int action_luksKillSlot(int arg __attribute__((unused))) if ((r = crypt_init(&cd, uuid_or_device(action_argv[0])))) goto out; - crypt_set_confirm_callback(cd, _yesDialog, NULL); + crypt_set_confirm_callback(cd, yesDialog, NULL); crypt_set_timeout(cd, opt_timeout); if ((r = crypt_load(cd, CRYPT_LUKS1, NULL))) @@ -787,7 +763,7 @@ static int action_luksRemoveKey(int arg __attribute__((unused))) if ((r = crypt_init(&cd, uuid_or_device(action_argv[0])))) goto out; - crypt_set_confirm_callback(cd, _yesDialog, NULL); + crypt_set_confirm_callback(cd, yesDialog, NULL); crypt_set_timeout(cd, opt_timeout); if ((r = crypt_load(cd, CRYPT_LUKS1, NULL))) @@ -811,7 +787,7 @@ static int action_luksRemoveKey(int arg __attribute__((unused))) log_verbose(_("Key slot %d selected for deletion.\n"), opt_key_slot); if (crypt_keyslot_status(cd, opt_key_slot) == CRYPT_SLOT_ACTIVE_LAST && - !_yesDialog(_("This is the last keyslot. " + !yesDialog(_("This is the last keyslot. " "Device will become unusable after purging this key."), NULL)) { r = -EPERM; @@ -835,7 +811,7 @@ static int action_luksAddKey(int arg __attribute__((unused))) if ((r = crypt_init(&cd, uuid_or_device(action_argv[0])))) goto out; - crypt_set_confirm_callback(cd, _yesDialog, NULL); + crypt_set_confirm_callback(cd, yesDialog, NULL); if ((r = crypt_load(cd, CRYPT_LUKS1, NULL))) goto out; @@ -974,7 +950,7 @@ static int action_isLuks(int arg __attribute__((unused))) if ((r = crypt_init(&cd, action_argv[0]))) goto out; - crypt_set_log_callback(cd, _quiet_log, NULL); + crypt_set_log_callback(cd, quiet_log, NULL); r = crypt_load(cd, CRYPT_LUKS1, NULL); out: crypt_free(cd); @@ -990,7 +966,7 @@ static int action_luksUUID(int arg __attribute__((unused))) if ((r = crypt_init(&cd, action_argv[0]))) goto out; - crypt_set_confirm_callback(cd, _yesDialog, NULL); + crypt_set_confirm_callback(cd, yesDialog, NULL); if ((r = crypt_load(cd, CRYPT_LUKS1, NULL))) goto out; @@ -1015,8 +991,8 @@ static int luksDump_with_volume_key(struct crypt_device *cd) unsigned i; int r; - crypt_set_confirm_callback(cd, _yesDialog, NULL); - if (!_yesDialog( + crypt_set_confirm_callback(cd, yesDialog, NULL); + if (!yesDialog( _("LUKS header dump with volume key is sensitive information\n" "which allows access to encrypted partition without passphrase.\n" "This dump should be always stored encrypted on safe place."), @@ -1129,7 +1105,7 @@ static int action_luksBackup(int arg __attribute__((unused))) if ((r = crypt_init(&cd, uuid_or_device(action_argv[0])))) goto out; - crypt_set_confirm_callback(cd, _yesDialog, NULL); + crypt_set_confirm_callback(cd, yesDialog, NULL); r = crypt_header_backup(cd, CRYPT_LUKS1, opt_header_backup_file); out: @@ -1150,24 +1126,13 @@ static int action_luksRestore(int arg __attribute__((unused))) if ((r = crypt_init(&cd, action_argv[0]))) goto out; - crypt_set_confirm_callback(cd, _yesDialog, NULL); + crypt_set_confirm_callback(cd, yesDialog, NULL); r = crypt_header_restore(cd, CRYPT_LUKS1, opt_header_backup_file); out: crypt_free(cd); return r; } -static __attribute__ ((noreturn)) void usage(poptContext popt_context, - int exitcode, const char *error, - const char *more) -{ - poptPrintUsage(popt_context, stderr, 0); - if (error) - log_err("%s: %s\n", more, error); - poptFreeContext(popt_context); - exit(exitcode); -} - static void help(poptContext popt_context, enum poptCallbackReason reason __attribute__((unused)), struct poptOption *key, @@ -1212,19 +1177,6 @@ static void help(poptContext popt_context, usage(popt_context, EXIT_SUCCESS, NULL, NULL); } -static void _dbg_version_and_cmd(int argc, const char **argv) -{ - int i; - - log_std("# %s %s processing \"", PACKAGE_NAME, PACKAGE_VERSION); - for (i = 0; i < argc; i++) { - if (i) - log_std(" "); - log_std("%s", argv[i]); - } - log_std("\"\n"); -} - static int run_action(struct action_type *action) { int r; @@ -1244,22 +1196,7 @@ static int run_action(struct action_type *action) r = 0; show_status(r); - - /* Translate exit code to simple codes */ - switch (r) { - case 0: r = EXIT_SUCCESS; break; - case -EEXIST: - case -EBUSY: r = 5; break; - case -ENOTBLK: - case -ENODEV: r = 4; break; - case -ENOMEM: r = 3; break; - case -EPERM: r = 2; break; - case -EINVAL: - case -ENOENT: - case -ENOSYS: - default: r = EXIT_FAILURE; - } - return r; + return translate_errno(r); } int main(int argc, const char **argv) @@ -1304,15 +1241,16 @@ int main(int argc, const char **argv) { "uuid", '\0', POPT_ARG_STRING, &opt_uuid, 0, N_("UUID for device to use."), NULL }, { "allow-discards", '\0', POPT_ARG_NONE, &opt_allow_discards, 0, N_("Allow discards (aka TRIM) requests for device."), NULL }, { "header", '\0', POPT_ARG_STRING, &opt_header_device, 0, N_("Device or file with separated LUKS header."), NULL }, + { "test-passphrase", '\0', POPT_ARG_NONE, &opt_test_passphrase, 0, N_("Do not activate device, just check passphrase."), NULL }, + { "hidden", '\0', POPT_ARG_NONE, &opt_hidden, 0, N_("Use hidden header (hiden TCRYPT device) ."), NULL }, POPT_TABLEEND }; poptContext popt_context; struct action_type *action; const char *aname; int r; - const char *null_action_argv[] = {NULL}; - crypt_set_log_callback(NULL, _log, NULL); + crypt_set_log_callback(NULL, tool_log, NULL); setlocale(LC_ALL, ""); bindtextdomain(PACKAGE, LOCALEDIR); @@ -1322,7 +1260,7 @@ int main(int argc, const char **argv) popt_context = poptGetContext(PACKAGE, argc, argv, popt_options, 0); poptSetOtherOptionHelp(popt_context, - N_("[OPTION...] ]")); + _("[OPTION...] ")); while((r = poptGetNextOpt(popt_context)) > 0) { unsigned long long ull_value; @@ -1390,30 +1328,34 @@ int main(int argc, const char **argv) /* FIXME: rewrite this from scratch */ - if (opt_shared && strcmp(aname, "create")) { + if (opt_shared && strcmp(aname, "create")) usage(popt_context, EXIT_FAILURE, _("Option --shared is allowed only for create operation.\n"), poptGetInvocationName(popt_context)); - } if (opt_allow_discards && strcmp(aname, "luksOpen") && strcmp(aname, "create") && - strcmp(aname, "loopaesOpen")) { + strcmp(aname, "loopaesOpen")) usage(popt_context, EXIT_FAILURE, _("Option --allow-discards is allowed only for luksOpen, loopaesOpen and create operation.\n"), poptGetInvocationName(popt_context)); - } if (opt_key_size && strcmp(aname, "luksFormat") && strcmp(aname, "create") && - strcmp(aname, "loopaesOpen")) { + strcmp(aname, "loopaesOpen") && + strcmp(aname, "benchmark")) usage(popt_context, EXIT_FAILURE, - _("Option --key-size is allowed only for luksFormat, create and loopaesOpen.\n" + _("Option --key-size is allowed only for luksFormat, create, loopaesOpen and benchmark.\n" "To limit read from keyfile use --keyfile-size=(bytes)."), poptGetInvocationName(popt_context)); - } + + if (opt_test_passphrase && + strcmp(aname, "luksOpen")) + usage(popt_context, EXIT_FAILURE, + _("Option --test-passphrase is allowed only for luksOpen.\n"), + poptGetInvocationName(popt_context)); if (opt_key_size % 8) usage(popt_context, EXIT_FAILURE, @@ -1437,11 +1379,10 @@ int main(int argc, const char **argv) } if (opt_keyfile_size < 0 || opt_new_keyfile_size < 0 || opt_key_size < 0 || - opt_keyfile_offset < 0 || opt_new_keyfile_offset < 0) { + opt_keyfile_offset < 0 || opt_new_keyfile_offset < 0) usage(popt_context, EXIT_FAILURE, _("Negative number for option not permitted."), poptGetInvocationName(popt_context)); - } if (opt_random && opt_urandom) usage(popt_context, EXIT_FAILURE, _("Only one of --use-[u]random options is allowed."), @@ -1469,10 +1410,15 @@ int main(int argc, const char **argv) _("Option --offset is supported only for create and loopaesOpen commands.\n"), poptGetInvocationName(popt_context)); + if (opt_hidden && strcmp(aname, "tcryptOpen")) + usage(popt_context, EXIT_FAILURE, + _("Option --hidden is supported only for tcryptOpen command.\n"), + poptGetInvocationName(popt_context)); + if (opt_debug) { opt_verbose = 1; crypt_set_debug_level(-1); - _dbg_version_and_cmd(argc, argv); + dbg_version_and_cmd(argc, argv); } r = run_action(action);