+++ /dev/null
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-// vim: ts=8 sw=2 smarttab
-/*
- * Ceph - scalable distributed file system
- *
- * Copyright (C) 2004-2009 Sage Weil <sage@newdream.net>
- *
- * This is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License version 2.1, as published by the Free Software
- * Foundation. See file COPYING.
- *
- */
-
-#include "common/ConfUtils.h"
-#include "common/ceph_argparse.h"
-#include "common/config.h"
-#include "global/global_context.h"
-#include "global/global_init.h"
-
-#include "auth/Crypto.h"
-#include "auth/Auth.h"
-#include "auth/KeyRing.h"
-
-void usage()
-{
- cout << "usage: ceph-authtool keyringfile [OPTIONS]...\n"
- << "where the options are:\n"
- << " -l, --list will list all keys and capabilities present in\n"
- << " the keyring\n"
- << " -p, --print-key will print an encoded key for the specified\n"
- << " entityname. This is suitable for the\n"
- << " 'mount -o secret=..' argument\n"
- << " -C, --create-keyring will create a new keyring, overwriting any\n"
- << " existing keyringfile\n"
- << " -g, --gen-key will generate a new secret key for the\n"
- << " specified entityname\n"
- << " --gen-print-key will generate a new secret key without set it\n"
- << " to the keyringfile, prints the secret to stdout\n"
- << " --import-keyring FILE will import the content of a given keyring\n"
- << " into the keyringfile\n"
- << " -n NAME, --name NAME specify entityname to operate on\n"
- << " -u AUID, --set-uid AUID sets the auid (authenticated user id) for the\n"
- << " specified entityname\n"
- << " -a BASE64, --add-key BASE64 will add an encoded key to the keyring\n"
- << " --cap SUBSYSTEM CAPABILITY will set the capability for given subsystem\n"
- << " --caps CAPSFILE will set all of capabilities associated with a\n"
- << " given key, for all subsystems"
- << std::endl;
- exit(1);
-}
-
-int main(int argc, const char **argv)
-{
- vector<const char*> args;
- argv_to_vec(argc, argv, args);
- env_to_vec(args);
-
- std::string add_key;
- std::string caps_fn;
- std::string import_keyring;
- uint64_t auid = CEPH_AUTH_UID_DEFAULT;
- map<string,bufferlist> caps;
- std::string fn;
-
- auto cct = global_init(NULL, args, CEPH_ENTITY_TYPE_CLIENT,
- CODE_ENVIRONMENT_UTILITY,
- CINIT_FLAG_NO_DEFAULT_CONFIG_FILE);
-
- bool gen_key = false;
- bool gen_print_key = false;
- bool list = false;
- bool print_key = false;
- bool create_keyring = false;
- bool set_auid = false;
- std::vector<const char*>::iterator i;
-
- /* Handle options unique to ceph-authtool
- * -n NAME, --name NAME is handled by global_init
- * */
- for (i = args.begin(); i != args.end(); ) {
- std::string val;
- if (ceph_argparse_double_dash(args, i)) {
- break;
- } else if (ceph_argparse_flag(args, i, "-g", "--gen-key", (char*)NULL)) {
- gen_key = true;
- } else if (ceph_argparse_flag(args, i, "--gen-print-key", (char*)NULL)) {
- gen_print_key = true;
- } else if (ceph_argparse_witharg(args, i, &val, "-a", "--add-key", (char*)NULL)) {
- if (val.empty()) {
- cerr << "Option --add-key requires an argument" << std::endl;
- exit(1);
- }
- add_key = val;
- } else if (ceph_argparse_flag(args, i, "-l", "--list", (char*)NULL)) {
- list = true;
- } else if (ceph_argparse_witharg(args, i, &val, "--caps", (char*)NULL)) {
- caps_fn = val;
- } else if (ceph_argparse_witharg(args, i, &val, "--cap", (char*)NULL)) {
- std::string my_key = val;
- if (i == args.end()) {
- cerr << "must give two arguments to --cap: key and val." << std::endl;
- exit(1);
- }
- std::string my_val = *i;
- ++i;
- ::encode(my_val, caps[my_key]);
- } else if (ceph_argparse_flag(args, i, "-p", "--print-key", (char*)NULL)) {
- print_key = true;
- } else if (ceph_argparse_flag(args, i, "-C", "--create-keyring", (char*)NULL)) {
- create_keyring = true;
- } else if (ceph_argparse_witharg(args, i, &val, "--import-keyring", (char*)NULL)) {
- import_keyring = val;
- } else if (ceph_argparse_witharg(args, i, &val, "-u", "--set-uid", (char*)NULL)) {
- std::string err;
- auid = strict_strtoll(val.c_str(), 10, &err);
- if (!err.empty()) {
- cerr << "error parsing UID: " << err << std::endl;
- exit(1);
- }
- set_auid = true;
- } else if (fn.empty()) {
- fn = *i++;
- } else {
- cerr << argv[0] << ": unexpected '" << *i << "'" << std::endl;
- usage();
- }
- }
-
- if (fn.empty() && !gen_print_key) {
- cerr << argv[0] << ": must specify filename" << std::endl;
- usage();
- }
- if (!(gen_key ||
- gen_print_key ||
- !add_key.empty() ||
- list ||
- !caps_fn.empty() ||
- !caps.empty() ||
- set_auid ||
- print_key ||
- create_keyring ||
- !import_keyring.empty())) {
- cerr << "no command specified" << std::endl;
- usage();
- }
- if (gen_key && (!add_key.empty())) {
- cerr << "can't both gen-key and add-key" << std::endl;
- usage();
- }
-
- common_init_finish(g_ceph_context);
- EntityName ename(g_conf->name);
-
- // Enforce the use of gen-key or add-key when creating to avoid ending up
- // with an "empty" key (key = AAAAAAAAAAAAAAAA)
- if (create_keyring && !gen_key && add_key.empty() && !caps.empty()) {
- cerr << "must specify either gen-key or add-key when creating" << std::endl;
- usage();
- }
-
- if (gen_print_key) {
- CryptoKey key;
- key.create(g_ceph_context, CEPH_CRYPTO_AES);
- cout << key << std::endl;
- return 0;
- }
-
- // keyring --------
- bool modified = false;
- KeyRing keyring;
-
- bufferlist bl;
- int r = 0;
- if (create_keyring) {
- cout << "creating " << fn << std::endl;
- modified = true;
- } else {
- std::string err;
- r = bl.read_file(fn.c_str(), &err);
- if (r >= 0) {
- try {
- bufferlist::iterator iter = bl.begin();
- ::decode(keyring, iter);
- } catch (const buffer::error &err) {
- cerr << "error reading file " << fn << std::endl;
- exit(1);
- }
- } else {
- cerr << "can't open " << fn << ": " << err << std::endl;
- exit(1);
- }
- }
-
- // Validate that "name" actually has an existing key in this keyring if we
- // have not given gen-key or add-key options
- if (!gen_key && add_key.empty() && !caps.empty()) {
- CryptoKey key;
- if (!keyring.get_secret(ename, key)) {
- cerr << "can't find existing key for " << ename
- << " and neither gen-key nor add-key specified" << std::endl;
- exit(1);
- }
- }
-
- // write commands
- if (!import_keyring.empty()) {
- KeyRing other;
- bufferlist obl;
- std::string err;
- int r = obl.read_file(import_keyring.c_str(), &err);
- if (r >= 0) {
- try {
- bufferlist::iterator iter = obl.begin();
- ::decode(other, iter);
- } catch (const buffer::error &err) {
- cerr << "error reading file " << import_keyring << std::endl;
- exit(1);
- }
-
- cout << "importing contents of " << import_keyring << " into " << fn << std::endl;
- //other.print(cout);
- keyring.import(g_ceph_context, other);
- modified = true;
- } else {
- cerr << "can't open " << import_keyring << ": " << err << std::endl;
- exit(1);
- }
- }
- if (gen_key) {
- EntityAuth eauth;
- eauth.key.create(g_ceph_context, CEPH_CRYPTO_AES);
- keyring.add(ename, eauth);
- modified = true;
- }
- if (!add_key.empty()) {
- EntityAuth eauth;
- try {
- eauth.key.decode_base64(add_key);
- } catch (const buffer::error &err) {
- cerr << "can't decode key '" << add_key << "'" << std::endl;
- exit(1);
- }
- keyring.add(ename, eauth);
- modified = true;
- cout << "added entity " << ename << " auth " << eauth << std::endl;
- }
- if (!caps_fn.empty()) {
- ConfFile cf;
- std::deque<std::string> parse_errors;
- if (cf.parse_file(caps_fn, &parse_errors, &cerr) != 0) {
- cerr << "could not parse caps file " << caps_fn << std::endl;
- exit(1);
- }
- complain_about_parse_errors(g_ceph_context, &parse_errors);
- map<string, bufferlist> caps;
- const char *key_names[] = { "mon", "osd", "mds", "mgr", NULL };
- for (int i=0; key_names[i]; i++) {
- std::string val;
- if (cf.read("global", key_names[i], val) == 0) {
- bufferlist bl;
- ::encode(val, bl);
- string s(key_names[i]);
- caps[s] = bl;
- }
- }
- keyring.set_caps(ename, caps);
- modified = true;
- }
- if (!caps.empty()) {
- keyring.set_caps(ename, caps);
- modified = true;
- }
- if (set_auid) {
- keyring.set_uid(ename, auid);
- modified = true;
- }
-
- // read commands
- if (list) {
- try {
- keyring.print(cout);
- } catch (ceph::buffer::end_of_buffer &eob) {
- cout << "Exception (end_of_buffer) in print(), exit." << std::endl;
- exit(1);
- }
- }
- if (print_key) {
- CryptoKey key;
- if (keyring.get_secret(ename, key)) {
- cout << key << std::endl;
- } else {
- cerr << "entity " << ename << " not found" << std::endl;
- exit(1);
- }
- }
-
- // write result?
- if (modified) {
- bufferlist bl;
- keyring.encode_plaintext(bl);
- r = bl.write_file(fn.c_str(), 0600);
- if (r < 0) {
- cerr << "could not write " << fn << std::endl;
- exit(1);
- }
- //cout << "wrote " << bl.length() << " bytes to " << fn << std::endl;
- }
- return 0;
-}
Code Review / stor4nfv.git / blobdiff