ipsec_PROGRAMS = pki
-pki_SOURCES = pki.c
+pki_SOURCES = pki.c pki.h command.c command.h \
+ commands/gen.c commands/pub.c commands/keyid.c \
+ commands/self.c commands/issue.c commands/verify.c
pki_LDADD = $(top_builddir)/src/libstrongswan/libstrongswan.la
INCLUDES = -I$(top_srcdir)/src/libstrongswan
AM_CFLAGS = \
--- /dev/null
+/*
+ * Copyright (C) 2009 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ */
+
+#include "command.h"
+
+
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+
+/**
+ * Registered commands.
+ */
+command_t cmds[CMD_MAX];
+
+/**
+ * Global options used by all subcommands
+ */
+struct option command_opts[CMD_MAX > MAX_OPTIONS ?: MAX_OPTIONS];
+
+/**
+ * Build long_opts for a specific command
+ */
+static void build_opts(command_type_t cmd)
+{
+ int i;
+
+ memset(command_opts, 0, sizeof(command_opts));
+ if (cmd == CMD_HELP)
+ {
+ for (i = 0; i < CMD_MAX; i++)
+ {
+ command_opts[i].name = cmds[i].cmd;
+ command_opts[i].val = cmds[i].op;
+ }
+ }
+ else
+ {
+ for (i = 0; cmds[cmd].options[i].name; i++)
+ {
+ command_opts[i].name = cmds[cmd].options[i].name;
+ command_opts[i].has_arg = cmds[cmd].options[i].arg;
+ command_opts[i].val = cmds[cmd].options[i].op;
+ }
+ }
+}
+
+/**
+ * Register a command
+ */
+void command_register(command_type_t type, command_t command)
+{
+ cmds[type] = command;
+}
+
+/**
+ * Print usage text, with an optional error
+ */
+int command_usage(command_type_t cmd, char *error)
+{
+ FILE *out = stdout;
+ int i;
+
+ if (error)
+ {
+ out = stderr;
+ fprintf(out, "Error: %s\n", error);
+ }
+ fprintf(out, "strongSwan %s PKI tool\n", VERSION);
+ fprintf(out, "usage:\n");
+ if (cmd == CMD_HELP)
+ {
+ for (i = 0; i < CMD_MAX; i++)
+ {
+ fprintf(out, " pki --%-6s %s\n", cmds[i].cmd, cmds[i].description);
+ }
+ }
+ else
+ {
+ for (i = 0; cmds[cmd].line[i]; i++)
+ {
+ if (i == 0)
+ {
+ fprintf(out, " pki --%s %s\n", cmds[cmd].cmd, cmds[cmd].line[i]);
+ }
+ else
+ {
+ fprintf(out, " %s\n", cmds[cmd].line[i]);
+ }
+ }
+ for (i = 0; cmds[cmd].options[i].name; i++)
+ {
+ fprintf(out, " --%-8s %s\n",
+ cmds[cmd].options[i].name, cmds[cmd].options[i].desc);
+ }
+ }
+ return error != NULL;
+}
+
+
+
+/**
+ * Show usage information
+ */
+static int help(int argc, char *argv[])
+{
+ return command_usage(CMD_HELP, NULL);
+}
+
+/**
+ * Dispatch commands.
+ */
+int command_dispatch(int argc, char *argv[])
+{
+ int op, i;
+
+ command_register(CMD_HELP, (command_t) {
+ help, 'h', "help", "show usage information"});
+ build_opts(CMD_HELP);
+ op = getopt_long(argc, argv, "", command_opts, NULL);
+ for (i = 0; i < CMD_MAX; i++)
+ {
+ if (cmds[i].op == op)
+ {
+ build_opts(i);
+ return cmds[i].call(argc, argv);
+ }
+ }
+ return command_usage(CMD_HELP, "invalid operation");
+}
+
--- /dev/null
+/*
+ * Copyright (C) 2009 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ */
+
+/**
+ * @defgroup command command
+ * @{ @ingroup pki
+ */
+
+#ifndef COMMAND_H_
+#define COMMAND_H_
+
+#define _GNU_SOURCE
+#include <getopt.h>
+
+/**
+ * Maximum number of options in a command (+1)
+ */
+#define MAX_OPTIONS 14
+
+/**
+ * Maximum number of usage summary lines (+1)
+ */
+#define MAX_LINES 8
+
+typedef struct command_t command_t;
+typedef enum command_type_t command_type_t;
+
+/**
+ * Command specification.
+ */
+struct command_t {
+ /** Function implementing the command */
+ int (*call)(int, char*[]);
+ /** short option character */
+ char op;
+ /** long option string */
+ char *cmd;
+ /** description of the command */
+ char *description;
+ /** usage summary of the command */
+ char *line[MAX_LINES];
+ /** list of options the command accepts */
+ struct {
+ /** long option string of the option */
+ char *name;
+ /** short option character of the option */
+ char op;
+ /** expected argument to option, no/req/opt_argument */
+ int arg;
+ /** description of the option */
+ char *desc;
+ } options[MAX_OPTIONS];
+};
+
+/**
+ * Type of available commands
+ */
+enum command_type_t {
+ CMD_HELP = 0,
+ CMD_GEN,
+ CMD_PUB,
+ CMD_KEYID,
+ CMD_SELF,
+ CMD_ISSUE,
+ CMD_VERIFY,
+ CMD_MAX
+};
+
+/**
+ * Options of the currently processing command.
+ */
+extern struct option command_opts[];
+
+/**
+ * Register a command.
+ */
+void command_register(command_type_t type, command_t command);
+
+/**
+ * Dispatch commands.
+ */
+int command_dispatch(int argc, char *argv[]);
+
+/**
+ * Show usage information of active command.
+ */
+int command_usage(command_type_t cmd, char *error);
+
+#endif /* COMMAND_H_ @}*/
--- /dev/null
+/*
+ * Copyright (C) 2009 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ */
+
+#include "pki.h"
+
+/**
+ * Generate a private key
+ */
+static int gen(int argc, char *argv[])
+{
+ key_encoding_type_t form = KEY_PRIV_ASN1_DER;
+ key_type_t type = KEY_RSA;
+ u_int size = 0;
+ private_key_t *key;
+ chunk_t encoding;
+
+ while (TRUE)
+ {
+ switch (getopt_long(argc, argv, "", command_opts, NULL))
+ {
+ case 'h':
+ return command_usage(CMD_GEN, NULL);
+ case 't':
+ if (streq(optarg, "rsa"))
+ {
+ type = KEY_RSA;
+ }
+ else if (streq(optarg, "ecdsa"))
+ {
+ type = KEY_ECDSA;
+ }
+ else
+ {
+ return command_usage(CMD_GEN, "invalid key type");
+ }
+ continue;
+ case 'o':
+ if (!get_form(optarg, &form, FALSE))
+ {
+ return command_usage(CMD_GEN, "invalid key output format");
+ }
+ continue;
+ case 's':
+ size = atoi(optarg);
+ if (!size)
+ {
+ return command_usage(CMD_GEN, "invalid key size");
+ }
+ continue;
+ case EOF:
+ break;
+ default:
+ return command_usage(CMD_GEN, "invalid --gen option");
+ }
+ break;
+ }
+ /* default key sizes */
+ if (!size)
+ {
+ switch (type)
+ {
+ case KEY_RSA:
+ size = 2048;
+ break;
+ case KEY_ECDSA:
+ size = 384;
+ break;
+ default:
+ break;
+ }
+ }
+ key = lib->creds->create(lib->creds, CRED_PRIVATE_KEY, type,
+ BUILD_KEY_SIZE, size, BUILD_END);
+ if (!key)
+ {
+ fprintf(stderr, "private key generation failed\n");
+ return 1;
+ }
+ if (!key->get_encoding(key, form, &encoding))
+ {
+ fprintf(stderr, "private key encoding failed\n");
+ key->destroy(key);
+ return 1;
+ }
+ key->destroy(key);
+ if (fwrite(encoding.ptr, encoding.len, 1, stdout) != 1)
+ {
+ fprintf(stderr, "writing private key failed\n");
+ free(encoding.ptr);
+ return 1;
+ }
+ free(encoding.ptr);
+ return 0;
+}
+
+/**
+ * Register the command.
+ */
+static void __attribute__ ((constructor))reg()
+{
+ command_register(CMD_GEN, (command_t) {
+ gen, 'g', "gen", "generate a new private key",
+ {"[--type rsa|ecdsa] [--size bits] [--outform der|pem|pgp]"},
+ {
+ {"help", 'h', 0, "show usage information"},
+ {"type", 't', 1, "type of key, default: rsa"},
+ {"size", 's', 1, "keylength in bits, default: rsa 2048, ecdsa 384"},
+ {"outform", 'f', 1, "encoding of generated private key"},
+ }
+ });
+}
+
--- /dev/null
+/*
+ * Copyright (C) 2009 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ */
+
+#include <time.h>
+
+#include "pki.h"
+
+#include <utils/linked_list.h>
+#include <utils/optionsfrom.h>
+#include <credentials/certificates/certificate.h>
+#include <credentials/certificates/x509.h>
+
+/**
+ * Issue a certificate using a CA certificate and key
+ */
+static int issue(int argc, char *argv[])
+{
+ hash_algorithm_t digest = HASH_SHA1;
+ certificate_t *cert = NULL, *ca =NULL;
+ private_key_t *private = NULL;
+ public_key_t *public = NULL;
+ char *file = NULL, *dn = NULL, *hex = NULL, *cacert = NULL, *cakey = NULL;
+ char *error = NULL;
+ identification_t *id = NULL;
+ linked_list_t *san;
+ int lifetime = 1080;
+ chunk_t serial = chunk_empty;
+ chunk_t encoding = chunk_empty;
+ time_t not_before, not_after;
+ x509_flag_t flags = 0;
+ x509_t *x509;
+ options_t *options;
+
+ options = options_create();
+ san = linked_list_create();
+
+ while (TRUE)
+ {
+ switch (getopt_long(argc, argv, "", command_opts, NULL))
+ {
+ case 'h':
+ goto usage;
+ case '+':
+ if (!options->from(options, optarg, &argc, &argv, optind))
+ {
+ error = "invalid options file";
+ goto usage;
+ }
+ continue;
+ case 't':
+ if (!streq(optarg, "pub"))
+ {
+ error = "invalid input type";
+ goto usage;
+ }
+ continue;
+ case 'g':
+ digest = get_digest(optarg);
+ if (digest == HASH_UNKNOWN)
+ {
+ error = "invalid --digest type";
+ goto usage;
+ }
+ continue;
+ case 'i':
+ file = optarg;
+ continue;
+ case 'c':
+ cacert = optarg;
+ continue;
+ case 'k':
+ cakey = optarg;
+ continue;
+ case 'd':
+ dn = optarg;
+ continue;
+ case 'a':
+ san->insert_last(san, identification_create_from_string(optarg));
+ continue;
+ case 'l':
+ lifetime = atoi(optarg);
+ if (!lifetime)
+ {
+ error = "invalid --lifetime value";
+ goto usage;
+ }
+ continue;
+ case 's':
+ hex = optarg;
+ continue;
+ case 'b':
+ flags |= X509_CA;
+ continue;
+ case EOF:
+ break;
+ default:
+ error = "invalid --issue option";
+ goto usage;
+ }
+ break;
+ }
+
+ if (!dn)
+ {
+ error = "--dn is required";
+ goto usage;
+ }
+ if (!cacert)
+ {
+ error = "--cacert is required";
+ goto usage;
+ }
+ if (!cakey)
+ {
+ error = "--cakey is required";
+ goto usage;
+ }
+ id = identification_create_from_string(dn);
+ if (id->get_type(id) != ID_DER_ASN1_DN)
+ {
+ error = "supplied --dn is not a distinguished name";
+ goto end;
+ }
+ ca = lib->creds->create(lib->creds, CRED_CERTIFICATE, CERT_X509,
+ BUILD_FROM_FILE, cacert, BUILD_END);
+ if (!ca)
+ {
+ error = "parsing CA certificate failed";
+ goto end;
+ }
+ x509 = (x509_t*)ca;
+ if (!(x509->get_flags(x509) & X509_CA))
+ {
+ error = "CA certificate misses CA basicConstraint";
+ goto end;
+ }
+
+ public = ca->get_public_key(ca);
+ if (!public)
+ {
+ error = "extracting CA certificate public key failed";
+ goto end;
+ }
+ private = lib->creds->create(lib->creds, CRED_PRIVATE_KEY,
+ public->get_type(public),
+ BUILD_FROM_FILE, cakey, BUILD_END);
+ if (!private)
+ {
+ error = "parsing CA private key failed";
+ goto end;
+ }
+ if (!private->belongs_to(private, public))
+ {
+ error = "CA private key does not match CA certificate";
+ goto end;
+ }
+ public->destroy(public);
+
+ if (file)
+ {
+ public = lib->creds->create(lib->creds, CRED_PUBLIC_KEY, KEY_ANY,
+ BUILD_FROM_FILE, file, BUILD_END);
+ }
+ else
+ {
+ public = lib->creds->create(lib->creds, CRED_PUBLIC_KEY, KEY_ANY,
+ BUILD_FROM_FD, 0, BUILD_END);
+ }
+ if (!public)
+ {
+ error = "parsing public key failed";
+ goto end;
+ }
+
+ if (hex)
+ {
+ serial = chunk_from_hex(chunk_create(hex, strlen(hex)), NULL);
+ }
+ else
+ {
+ rng_t *rng = lib->crypto->create_rng(lib->crypto, RNG_WEAK);
+
+ if (!rng)
+ {
+ error = "no random number generator found";
+ goto end;
+ }
+ rng->allocate_bytes(rng, 8, &serial);
+ rng->destroy(rng);
+ }
+ not_before = time(NULL);
+ not_after = not_before + lifetime * 24 * 60 * 60;
+ cert = lib->creds->create(lib->creds, CRED_CERTIFICATE, CERT_X509,
+ BUILD_SIGNING_KEY, private, BUILD_SIGNING_CERT, ca,
+ BUILD_PUBLIC_KEY, public, BUILD_SUBJECT, id,
+ BUILD_NOT_BEFORE_TIME, not_before, BUILD_DIGEST_ALG, digest,
+ BUILD_NOT_AFTER_TIME, not_after, BUILD_SERIAL, serial,
+ BUILD_SUBJECT_ALTNAMES, san, BUILD_X509_FLAG, flags,
+ BUILD_END);
+ if (!cert)
+ {
+ error = "generating certificate failed";
+ goto end;
+ }
+ encoding = cert->get_encoding(cert);
+ if (!encoding.ptr)
+ {
+ error = "encoding certificate failed";
+ goto end;
+ }
+ if (fwrite(encoding.ptr, encoding.len, 1, stdout) != 1)
+ {
+ error = "writing certificate key failed";
+ goto end;
+ }
+
+end:
+ DESTROY_IF(id);
+ DESTROY_IF(cert);
+ DESTROY_IF(ca);
+ DESTROY_IF(public);
+ DESTROY_IF(private);
+ san->destroy_offset(san, offsetof(identification_t, destroy));
+ options->destroy(options);
+ free(encoding.ptr);
+ free(serial.ptr);
+
+ if (error)
+ {
+ fprintf(stderr, "%s\n", error);
+ return 1;
+ }
+ return 0;
+
+usage:
+ san->destroy_offset(san, offsetof(identification_t, destroy));
+ options->destroy(options);
+ return command_usage(CMD_ISSUE, error);
+}
+
+/**
+ * Register the command.
+ */
+static void __attribute__ ((constructor))reg()
+{
+ command_register(CMD_ISSUE, (command_t) {
+ issue, 'i', "issue",
+ "issue a certificate using a CA certificate and key",
+ {"[--in file] [--type pub|pkcs10]",
+ " --cacert file --cakey file",
+ " --dn subject-dn [--san subjectAltName]+",
+ "[--lifetime days] [--serial hex] [--ca]",
+ "[--digest md5|sha1|sha224|sha256|sha384|sha512]",
+ "[--options file]"},
+ {
+ {"help", 'h', 0, "show usage information"},
+ {"in", 'i', 1, "public key/request file to issue, default: stdin"},
+ {"type", 't', 1, "type of input, default: pub"},
+ {"cacert", 'c', 1, "CA certificate file"},
+ {"cakey", 'k', 1, "CA private key file"},
+ {"dn", 'd', 1, "distinguished name to include as subject"},
+ {"san", 'a', 1, "subjectAltName to include in certificate"},
+ {"lifetime",'l', 1, "days the certificate is valid, default: 1080"},
+ {"serial", 's', 1, "serial number in hex, default: random"},
+ {"ca", 'b', 0, "include CA basicConstraint, default: no"},
+ {"digest", 'g', 1, "digest for signature creation, default: sha1"},
+ {"options", '+', 1, "read command line options from file"},
+ }
+ });
+}
+
--- /dev/null
+/*
+ * Copyright (C) 2009 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ */
+
+#include "pki.h"
+
+#include <credentials/certificates/certificate.h>
+#include <credentials/certificates/x509.h>
+
+/**
+ * Calculate the keyid of a key/certificate
+ */
+static int keyid(int argc, char *argv[])
+{
+ credential_type_t type = CRED_PRIVATE_KEY;
+ int subtype = KEY_RSA;
+ certificate_t *cert;
+ private_key_t *private;
+ public_key_t *public;
+ char *file = NULL;
+ void *cred;
+ chunk_t id;
+
+ while (TRUE)
+ {
+ switch (getopt_long(argc, argv, "", command_opts, NULL))
+ {
+ case 'h':
+ return command_usage(CMD_KEYID, NULL);
+ case 't':
+ if (streq(optarg, "rsa-priv"))
+ {
+ type = CRED_PRIVATE_KEY;
+ subtype = KEY_RSA;
+ }
+ else if (streq(optarg, "ecdsa-priv"))
+ {
+ type = CRED_PRIVATE_KEY;
+ subtype = KEY_ECDSA;
+ }
+ else if (streq(optarg, "pub"))
+ {
+ type = CRED_PUBLIC_KEY;
+ subtype = KEY_ANY;
+ }
+ else if (streq(optarg, "x509"))
+ {
+ type = CRED_CERTIFICATE;
+ subtype = CERT_X509;
+ }
+ else
+ {
+ return command_usage(CMD_KEYID, "invalid input type");
+ }
+ continue;
+ case 'i':
+ file = optarg;
+ continue;
+ case EOF:
+ break;
+ default:
+ return command_usage(CMD_KEYID, "invalid --keyid option");
+ }
+ break;
+ }
+ if (file)
+ {
+ cred = lib->creds->create(lib->creds, type, subtype,
+ BUILD_FROM_FILE, file, BUILD_END);
+ }
+ else
+ {
+ cred = lib->creds->create(lib->creds, type, subtype,
+ BUILD_FROM_FD, 0, BUILD_END);
+ }
+ if (!cred)
+ {
+ fprintf(stderr, "parsing input failed\n");
+ return 1;
+ }
+
+ if (type == CRED_PRIVATE_KEY)
+ {
+ private = cred;
+ if (private->get_fingerprint(private, KEY_ID_PUBKEY_SHA1, &id))
+ {
+ printf("subjectKeyIdentifier: %#B\n", &id);
+ }
+ if (private->get_fingerprint(private, KEY_ID_PUBKEY_INFO_SHA1, &id))
+ {
+ printf("subjectPublicKeyInfo hash: %#B\n", &id);
+ }
+ private->destroy(private);
+ }
+ else if (type == CRED_PUBLIC_KEY)
+ {
+ public = cred;
+ if (public->get_fingerprint(public, KEY_ID_PUBKEY_SHA1, &id))
+ {
+ printf("subjectKeyIdentifier: %#B\n", &id);
+ }
+ if (public->get_fingerprint(public, KEY_ID_PUBKEY_INFO_SHA1, &id))
+ {
+ printf("subjectPublicKeyInfo hash: %#B\n", &id);
+ }
+ public->destroy(public);
+ }
+ else
+ {
+ cert = cred;
+ public = cert->get_public_key(cert);
+ if (!public)
+ {
+ fprintf(stderr, "extracting public key from certificate failed");
+ return 1;
+ }
+ if (public->get_fingerprint(public, KEY_ID_PUBKEY_SHA1, &id))
+ {
+ printf("subjectKeyIdentifier: %#B\n", &id);
+ }
+ if (public->get_fingerprint(public, KEY_ID_PUBKEY_INFO_SHA1, &id))
+ {
+ printf("subjectPublicKeyInfo hash: %#B\n", &id);
+ }
+ public->destroy(public);
+ cert->destroy(cert);
+ }
+ return 0;
+}
+
+/**
+ * Register the command.
+ */
+static void __attribute__ ((constructor))reg()
+{
+ command_register(CMD_KEYID, (command_t)
+ { keyid, 'k', "keyid",
+ "calculate key identifiers of a key/certificate",
+ {"[--in file] [--type rsa-priv|ecdsa-priv|pub|x509]"},
+ {
+ {"help", 'h', 0, "show usage information"},
+ {"in", 'i', 1, "input file, default: stdin"},
+ {"type", 't', 1, "type of key, default: rsa-priv"},
+ }
+ });
+}
+
--- /dev/null
+/*
+ * Copyright (C) 2009 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ */
+
+#include "pki.h"
+
+#include <credentials/certificates/certificate.h>
+#include <credentials/certificates/x509.h>
+
+/**
+ * Extract a public key from a private key/certificate
+ */
+static int pub(int argc, char *argv[])
+{
+ key_encoding_type_t form = KEY_PUB_SPKI_ASN1_DER;
+ credential_type_t type = CRED_PRIVATE_KEY;
+ int subtype = KEY_RSA;
+ certificate_t *cert;
+ private_key_t *private;
+ public_key_t *public;
+ chunk_t encoding;
+ char *file = NULL;
+ void *cred;
+
+ while (TRUE)
+ {
+ switch (getopt_long(argc, argv, "", command_opts, NULL))
+ {
+ case 'h':
+ return command_usage(CMD_PUB, NULL);
+ case 't':
+ if (streq(optarg, "rsa"))
+ {
+ type = CRED_PRIVATE_KEY;
+ subtype = KEY_RSA;
+ }
+ else if (streq(optarg, "ecdsa"))
+ {
+ type = CRED_PRIVATE_KEY;
+ subtype = KEY_ECDSA;
+ }
+ else if (streq(optarg, "x509"))
+ {
+ type = CRED_CERTIFICATE;
+ subtype = CERT_X509;
+ }
+ else
+ {
+ return command_usage(CMD_PUB, "invalid input type");
+ }
+ continue;
+ case 'f':
+ if (!get_form(optarg, &form, TRUE))
+ {
+ return command_usage(CMD_PUB, "invalid output format");
+ }
+ continue;
+ case 'i':
+ file = optarg;
+ continue;
+ case EOF:
+ break;
+ default:
+ return command_usage(CMD_PUB, "invalid --pub option");
+ }
+ break;
+ }
+ if (file)
+ {
+ cred = lib->creds->create(lib->creds, type, subtype,
+ BUILD_FROM_FILE, file, BUILD_END);
+ }
+ else
+ {
+ cred = lib->creds->create(lib->creds, type, subtype,
+ BUILD_FROM_FD, 0, BUILD_END);
+ }
+
+ if (type == CRED_PRIVATE_KEY)
+ {
+ private = cred;
+ if (!private)
+ {
+ fprintf(stderr, "parsing private key failed\n");
+ return 1;
+ }
+ public = private->get_public_key(private);
+ private->destroy(private);
+ }
+ else
+ {
+ cert = cred;
+ if (!cert)
+ {
+ fprintf(stderr, "parsing certificate failed\n");
+ return 1;
+ }
+ public = cert->get_public_key(cert);
+ cert->destroy(cert);
+ }
+ if (!public)
+ {
+ fprintf(stderr, "extracting public key failed\n");
+ return 1;
+ }
+ if (!public->get_encoding(public, form, &encoding))
+ {
+ fprintf(stderr, "public key encoding failed\n");
+ public->destroy(public);
+ return 1;
+ }
+ public->destroy(public);
+ if (fwrite(encoding.ptr, encoding.len, 1, stdout) != 1)
+ {
+ fprintf(stderr, "writing public key failed\n");
+ free(encoding.ptr);
+ return 1;
+ }
+ free(encoding.ptr);
+ return 0;
+}
+
+/**
+ * Register the command.
+ */
+static void __attribute__ ((constructor))reg()
+{
+ command_register(CMD_PUB, (command_t) {
+ pub, 'p', "pub",
+ "extract the public key from a private key/certificate",
+ {"[--in file] [--type rsa|ecdsa|x509] [--outform der|pem|pgp]"},
+ {
+ {"help", 'h', 0, "show usage information"},
+ {"in", 'i', 1, "input file, default: stdin"},
+ {"type", 't', 1, "type of credential, default: rsa"},
+ {"outform", 'f', 1, "encoding of extracted public key"},
+ }
+ });
+}
+
--- /dev/null
+/*
+ * Copyright (C) 2009 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ */
+
+#include <time.h>
+
+#include "pki.h"
+
+#include <utils/linked_list.h>
+#include <utils/optionsfrom.h>
+#include <credentials/certificates/certificate.h>
+#include <credentials/certificates/x509.h>
+
+/**
+ * Create a self signed certificate.
+ */
+static int self(int argc, char *argv[])
+{
+ key_type_t type = KEY_RSA;
+ hash_algorithm_t digest = HASH_SHA1;
+ certificate_t *cert = NULL;
+ private_key_t *private = NULL;
+ public_key_t *public = NULL;
+ char *file = NULL, *dn = NULL, *hex = NULL, *error = NULL;
+ identification_t *id = NULL;
+ linked_list_t *san;
+ int lifetime = 1080;
+ chunk_t serial = chunk_empty;
+ chunk_t encoding = chunk_empty;
+ time_t not_before, not_after;
+ x509_flag_t flags = 0;
+ options_t *options;
+
+ options = options_create();
+ san = linked_list_create();
+
+ while (TRUE)
+ {
+ switch (getopt_long(argc, argv, "", command_opts, NULL))
+ {
+ case 'h':
+ goto usage;
+ case '+':
+ if (!options->from(options, optarg, &argc, &argv, optind))
+ {
+ error = "invalid options file";
+ goto usage;
+ }
+ continue;
+ case 't':
+ if (streq(optarg, "rsa"))
+ {
+ type = KEY_RSA;
+ }
+ else if (streq(optarg, "ecdsa"))
+ {
+ type = KEY_ECDSA;
+ }
+ else
+ {
+ error = "invalid input type";
+ goto usage;
+ }
+ continue;
+ case 'g':
+ digest = get_digest(optarg);
+ if (digest == HASH_UNKNOWN)
+ {
+ error = "invalid --digest type";
+ goto usage;
+ }
+ continue;
+ case 'i':
+ file = optarg;
+ continue;
+ case 'd':
+ dn = optarg;
+ continue;
+ case 'a':
+ san->insert_last(san, identification_create_from_string(optarg));
+ continue;
+ case 'l':
+ lifetime = atoi(optarg);
+ if (!lifetime)
+ {
+ error = "invalid --lifetime value";
+ goto usage;
+ }
+ continue;
+ case 's':
+ hex = optarg;
+ continue;
+ case 'c':
+ flags |= X509_CA;
+ continue;
+ case EOF:
+ break;
+ default:
+ error = "invalid --self option";
+ goto usage;
+ }
+ break;
+ }
+
+ if (!dn)
+ {
+ error = "--dn is required";
+ goto usage;
+ }
+ id = identification_create_from_string(dn);
+ if (id->get_type(id) != ID_DER_ASN1_DN)
+ {
+ error = "supplied --dn is not a distinguished name";
+ goto end;
+ }
+ if (file)
+ {
+ private = lib->creds->create(lib->creds, CRED_PRIVATE_KEY, type,
+ BUILD_FROM_FILE, file, BUILD_END);
+ }
+ else
+ {
+ private = lib->creds->create(lib->creds, CRED_PRIVATE_KEY, type,
+ BUILD_FROM_FD, 0, BUILD_END);
+ }
+ if (!private)
+ {
+ error = "parsing private key failed";
+ goto end;
+ }
+ public = private->get_public_key(private);
+ if (!public)
+ {
+ error = "extracting public key failed";
+ goto end;
+ }
+ if (hex)
+ {
+ serial = chunk_from_hex(chunk_create(hex, strlen(hex)), NULL);
+ }
+ else
+ {
+ rng_t *rng = lib->crypto->create_rng(lib->crypto, RNG_WEAK);
+
+ if (!rng)
+ {
+ error = "no random number generator found";
+ goto end;
+ }
+ rng->allocate_bytes(rng, 8, &serial);
+ rng->destroy(rng);
+ }
+ not_before = time(NULL);
+ not_after = not_before + lifetime * 24 * 60 * 60;
+ cert = lib->creds->create(lib->creds, CRED_CERTIFICATE, CERT_X509,
+ BUILD_SIGNING_KEY, private, BUILD_PUBLIC_KEY, public,
+ BUILD_SUBJECT, id, BUILD_NOT_BEFORE_TIME, not_before,
+ BUILD_NOT_AFTER_TIME, not_after, BUILD_SERIAL, serial,
+ BUILD_DIGEST_ALG, digest, BUILD_X509_FLAG, flags,
+ BUILD_SUBJECT_ALTNAMES, san, BUILD_END);
+ if (!cert)
+ {
+ error = "generating certificate failed";
+ goto end;
+ }
+ encoding = cert->get_encoding(cert);
+ if (!encoding.ptr)
+ {
+ error = "encoding certificate failed";
+ goto end;
+ }
+ if (fwrite(encoding.ptr, encoding.len, 1, stdout) != 1)
+ {
+ error = "writing certificate key failed";
+ goto end;
+ }
+
+end:
+ DESTROY_IF(id);
+ DESTROY_IF(cert);
+ DESTROY_IF(public);
+ DESTROY_IF(private);
+ san->destroy_offset(san, offsetof(identification_t, destroy));
+ options->destroy(options);
+ free(encoding.ptr);
+ free(serial.ptr);
+
+ if (error)
+ {
+ fprintf(stderr, "%s\n", error);
+ return 1;
+ }
+ return 0;
+
+usage:
+ san->destroy_offset(san, offsetof(identification_t, destroy));
+ options->destroy(options);
+ return command_usage(CMD_SELF, error);
+}
+
+/**
+ * Register the command.
+ */
+static void __attribute__ ((constructor))reg()
+{
+ command_register(CMD_SELF, (command_t) {
+ self, 's', "self",
+ "create a self signed certificate",
+ {"[--in file] [--type rsa|ecdsa]",
+ " --dn distinguished-name [--san subjectAltName]+",
+ "[--lifetime days] [--serial hex] [--ca]",
+ "[--digest md5|sha1|sha224|sha256|sha384|sha512]",
+ "[--options file]"},
+ {
+ {"help", 'h', 0, "show usage information"},
+ {"in", 'i', 1, "private key input file, default: stdin"},
+ {"type", 't', 1, "type of input key, default: rsa"},
+ {"dn", 'd', 1, "subject and issuer distinguished name"},
+ {"san", 'a', 1, "subjectAltName to include in certificate"},
+ {"lifetime",'l', 1, "days the certificate is valid, default: 1080"},
+ {"serial", 's', 1, "serial number in hex, default: random"},
+ {"ca", 'b', 0, "include CA basicConstraint, default: no"},
+ {"digest", 'g', 1, "digest for signature creation, default: sha1"},
+ {"options", '+', 1, "read command line options from file"},
+ }
+ });
+}
--- /dev/null
+/*
+ * Copyright (C) 2009 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ */
+
+#include "pki.h"
+
+#include <credentials/certificates/certificate.h>
+#include <credentials/certificates/x509.h>
+
+/**
+ * Verify a certificate signature
+ */
+static int verify(int argc, char *argv[])
+{
+ certificate_t *cert, *ca;
+ char *file = NULL, *cafile = NULL;
+ bool good = FALSE;
+
+ while (TRUE)
+ {
+ switch (getopt_long(argc, argv, "", command_opts, NULL))
+ {
+ case 'h':
+ return command_usage(CMD_VERIFY, NULL);
+ case 'i':
+ file = optarg;
+ continue;
+ case 'c':
+ cafile = optarg;
+ continue;
+ case EOF:
+ break;
+ default:
+ return command_usage(CMD_VERIFY, "invalid --verify option");
+ }
+ break;
+ }
+
+ if (file)
+ {
+ cert = lib->creds->create(lib->creds, CRED_CERTIFICATE, CERT_X509,
+ BUILD_FROM_FILE, file, BUILD_END);
+ }
+ else
+ {
+ cert = lib->creds->create(lib->creds, CRED_CERTIFICATE, CERT_X509,
+ BUILD_FROM_FD, 0, BUILD_END);
+ }
+ if (!cert)
+ {
+ fprintf(stderr, "parsing certificate failed\n");
+ return 1;
+ }
+ if (cafile)
+ {
+ ca = lib->creds->create(lib->creds, CRED_CERTIFICATE, CERT_X509,
+ BUILD_FROM_FILE, cafile, BUILD_END);
+ if (!ca)
+ {
+ fprintf(stderr, "parsing CA certificate failed\n");
+ return 1;
+ }
+ }
+ else
+ {
+ ca = cert;
+ }
+ if (cert->issued_by(cert, ca))
+ {
+ if (cert->get_validity(cert, NULL, NULL, NULL))
+ {
+ if (cafile)
+ {
+ if (ca->get_validity(ca, NULL, NULL, NULL))
+ {
+ printf("signature good, certificates valid\n");
+ good = TRUE;
+ }
+ else
+ {
+ printf("signature good, CA certificates not valid now\n");
+ }
+ }
+ else
+ {
+ printf("signature good, certificate valid\n");
+ good = TRUE;
+ }
+ }
+ else
+ {
+ printf("certificate not valid now\n");
+ }
+ }
+ else
+ {
+ printf("signature invalid\n");
+ }
+ if (cafile)
+ {
+ ca->destroy(ca);
+ }
+ cert->destroy(cert);
+
+ return good ? 0 : 2;
+}
+
+/**
+ * Register the command.
+ */
+static void __attribute__ ((constructor))reg()
+{
+ command_register(CMD_VERIFY, (command_t) {
+ verify, 'v', "verify",
+ "verify a certificate using the CA certificate",
+ {"[--in file] [--ca file]"},
+ {
+ {"help", 'h', 0, "show usage information"},
+ {"in", 'i', 1, "x509 certifcate to verify, default: stdin"},
+ {"cacert", 'c', 1, "CA certificate, default: verify self signed"},
+ }
+ });
+}
+
* for more details.
*/
-#define _GNU_SOURCE
-#include <getopt.h>
-#include <stdlib.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include <errno.h>
-#include <stdio.h>
-#include <stddef.h>
-#include <string.h>
-#include <time.h>
-
-#include <library.h>
-#include <utils/linked_list.h>
-#include <utils/optionsfrom.h>
-#include <credentials/keys/private_key.h>
-#include <credentials/certificates/certificate.h>
-#include <credentials/certificates/x509.h>
-
-static int help(int argc, char *argv[]);
-static int gen(int argc, char *argv[]);
-static int pub(int argc, char *argv[]);
-static int keyid(int argc, char *argv[]);
-static int self(int argc, char *argv[]);
-static int issue(int argc, char *argv[]);
-static int verify(int argc, char *argv[]);
-
-typedef enum {
- CMD_HELP = 0,
- CMD_GEN,
- CMD_PUB,
- CMD_KEYID,
- CMD_SELF,
- CMD_ISSUE,
- CMD_VERIFY,
- CMD_MAX
-} cmd_t;
-
-#define MAX_OPTIONS 14
-
-static struct {
- int (*call)(int, char*[]);
- char op;
- char *cmd;
- char *description;
- char *line[8];
- struct {
- char *name;
- char op;
- int arg;
- char *desc;
- } options[MAX_OPTIONS];
-} cmds[] = {
- [CMD_HELP] = { help, 'h', "help",
- "show usage information"
- },
- [CMD_GEN] = { gen, 'g', "gen", "generate a new private key",
- {"[--type rsa|ecdsa] [--size bits] [--outform der|pem|pgp]"},
- {
- {"help", 'h', 0, "show usage information"},
- {"type", 't', 1, "type of key, default: rsa"},
- {"size", 's', 1, "keylength in bits, default: rsa 2048, ecdsa 384"},
- {"outform", 'f', 1, "encoding of generated private key"},
- }
- },
- [CMD_PUB] = { pub, 'p', "pub",
- "extract the public key from a private key/certificate",
- {"[--in file] [--type rsa|ecdsa|x509] [--outform der|pem|pgp]"},
- {
- {"help", 'h', 0, "show usage information"},
- {"in", 'i', 1, "input file, default: stdin"},
- {"type", 't', 1, "type of credential, default: rsa"},
- {"outform", 'f', 1, "encoding of extracted public key"},
- }
- },
- [CMD_KEYID] = { keyid, 'k', "keyid",
- "calculate key identifiers of a key/certificate",
- {"[--in file] [--type rsa-priv|ecdsa-priv|pub|x509]"},
- {
- {"help", 'h', 0, "show usage information"},
- {"in", 'i', 1, "input file, default: stdin"},
- {"type", 't', 1, "type of key, default: rsa-priv"},
- }
- },
- [CMD_SELF] = { self, 's', "self",
- "create a self signed certificate",
- {"[--in file] [--type rsa|ecdsa]",
- " --dn distinguished-name [--san subjectAltName]+",
- "[--lifetime days] [--serial hex] [--ca]",
- "[--digest md5|sha1|sha224|sha256|sha384|sha512]",
- "[--options file]"},
- {
- {"help", 'h', 0, "show usage information"},
- {"in", 'i', 1, "private key input file, default: stdin"},
- {"type", 't', 1, "type of input key, default: rsa"},
- {"dn", 'd', 1, "subject and issuer distinguished name"},
- {"san", 'a', 1, "subjectAltName to include in certificate"},
- {"lifetime",'l', 1, "days the certificate is valid, default: 1080"},
- {"serial", 's', 1, "serial number in hex, default: random"},
- {"ca", 'b', 0, "include CA basicConstraint, default: no"},
- {"digest", 'g', 1, "digest for signature creation, default: sha1"},
- {"options", '+', 1, "read command line options from file"},
- }
- },
- [CMD_ISSUE] = { issue, 'i', "issue",
- "issue a certificate using a CA certificate and key",
- {"[--in file] [--type pub|pkcs10]",
- " --cacert file --cakey file",
- " --dn subject-dn [--san subjectAltName]+",
- "[--lifetime days] [--serial hex] [--ca]",
- "[--digest md5|sha1|sha224|sha256|sha384|sha512]",
- "[--options file]"},
- {
- {"help", 'h', 0, "show usage information"},
- {"in", 'i', 1, "public key/request file to issue, default: stdin"},
- {"type", 't', 1, "type of input, default: pub"},
- {"cacert", 'c', 1, "CA certificate file"},
- {"cakey", 'k', 1, "CA private key file"},
- {"dn", 'd', 1, "distinguished name to include as subject"},
- {"san", 'a', 1, "subjectAltName to include in certificate"},
- {"lifetime",'l', 1, "days the certificate is valid, default: 1080"},
- {"serial", 's', 1, "serial number in hex, default: random"},
- {"ca", 'b', 0, "include CA basicConstraint, default: no"},
- {"digest", 'g', 1, "digest for signature creation, default: sha1"},
- {"options", '+', 1, "read command line options from file"},
- }
- },
- [CMD_VERIFY] = { verify, 'v', "verify",
- "verify a certificate using the CA certificate",
- {"[--in file] [--ca file]"},
- {
- {"help", 'h', 0, "show usage information"},
- {"in", 'i', 1, "x509 certifcate to verify, default: stdin"},
- {"cacert", 'c', 1, "CA certificate, default: verify self signed"},
- }
- },
-};
-
-/**
- * Global options used by all subcommands
- */
-static struct option long_opts[countof(cmds) > MAX_OPTIONS ?: MAX_OPTIONS];
-
-/**
- * Build long_opts for a specific command
- */
-static void build_opts(cmd_t cmd)
-{
- int i;
-
- memset(long_opts, 0, sizeof(long_opts));
- if (cmd == CMD_HELP)
- {
- for (i = 0; i < CMD_MAX; i++)
- {
- long_opts[i].name = cmds[i].cmd;
- long_opts[i].val = cmds[i].op;
- }
- }
- else
- {
- for (i = 0; cmds[cmd].options[i].name; i++)
- {
- long_opts[i].name = cmds[cmd].options[i].name;
- long_opts[i].has_arg = cmds[cmd].options[i].arg;
- long_opts[i].val = cmds[cmd].options[i].op;
- }
- }
-}
-
-/**
- * Print usage text, with an optional error
- */
-static int usage(cmd_t cmd, char *error)
-{
- FILE *out = stdout;
- int i;
-
- if (error)
- {
- out = stderr;
- fprintf(out, "Error: %s\n", error);
- }
- fprintf(out, "strongSwan %s PKI tool\n", VERSION);
- fprintf(out, "usage:\n");
- if (cmd == CMD_HELP)
- {
- for (i = 0; i < CMD_MAX; i++)
- {
- fprintf(out, " pki --%-6s %s\n", cmds[i].cmd, cmds[i].description);
- }
- }
- else
- {
- for (i = 0; cmds[cmd].line[i]; i++)
- {
- if (i == 0)
- {
- fprintf(out, " pki --%s %s\n", cmds[cmd].cmd, cmds[cmd].line[i]);
- }
- else
- {
- fprintf(out, " %s\n", cmds[cmd].line[i]);
- }
- }
- for (i = 0; cmds[cmd].options[i].name; i++)
- {
- fprintf(out, " --%-8s %s\n",
- cmds[cmd].options[i].name, cmds[cmd].options[i].desc);
- }
- }
- return error != NULL;
-}
+#include "command.h"
+#include "pki.h"
/**
* Convert a form string to a encoding type
*/
-static bool get_form(char *form, key_encoding_type_t *type, bool pub)
+bool get_form(char *form, key_encoding_type_t *type, bool pub)
{
if (streq(form, "der"))
{
/**
* Convert a digest string to a hash algorithm
*/
-static hash_algorithm_t get_digest(char *name)
+hash_algorithm_t get_digest(char *name)
{
if (streq(name, "md5"))
{
return HASH_UNKNOWN;
}
-/**
- * Show usage information
- */
-static int help(int argc, char *argv[])
-{
- return usage(CMD_HELP, NULL);
-}
-
-/**
- * Generate a private key
- */
-static int gen(int argc, char *argv[])
-{
- key_encoding_type_t form = KEY_PRIV_ASN1_DER;
- key_type_t type = KEY_RSA;
- u_int size = 0;
- private_key_t *key;
- chunk_t encoding;
-
- while (TRUE)
- {
- switch (getopt_long(argc, argv, "", long_opts, NULL))
- {
- case 'h':
- return usage(CMD_GEN, NULL);
- case 't':
- if (streq(optarg, "rsa"))
- {
- type = KEY_RSA;
- }
- else if (streq(optarg, "ecdsa"))
- {
- type = KEY_ECDSA;
- }
- else
- {
- return usage(CMD_GEN, "invalid key type");
- }
- continue;
- case 'o':
- if (!get_form(optarg, &form, FALSE))
- {
- return usage(CMD_GEN, "invalid key output format");
- }
- continue;
- case 's':
- size = atoi(optarg);
- if (!size)
- {
- return usage(CMD_GEN, "invalid key size");
- }
- continue;
- case EOF:
- break;
- default:
- return usage(CMD_GEN, "invalid --gen option");
- }
- break;
- }
- /* default key sizes */
- if (!size)
- {
- switch (type)
- {
- case KEY_RSA:
- size = 2048;
- break;
- case KEY_ECDSA:
- size = 384;
- break;
- default:
- break;
- }
- }
- key = lib->creds->create(lib->creds, CRED_PRIVATE_KEY, type,
- BUILD_KEY_SIZE, size, BUILD_END);
- if (!key)
- {
- fprintf(stderr, "private key generation failed\n");
- return 1;
- }
- if (!key->get_encoding(key, form, &encoding))
- {
- fprintf(stderr, "private key encoding failed\n");
- key->destroy(key);
- return 1;
- }
- key->destroy(key);
- if (fwrite(encoding.ptr, encoding.len, 1, stdout) != 1)
- {
- fprintf(stderr, "writing private key failed\n");
- free(encoding.ptr);
- return 1;
- }
- free(encoding.ptr);
- return 0;
-}
-
-/**
- * Extract a public key from a private key/certificate
- */
-static int pub(int argc, char *argv[])
-{
- key_encoding_type_t form = KEY_PUB_SPKI_ASN1_DER;
- credential_type_t type = CRED_PRIVATE_KEY;
- int subtype = KEY_RSA;
- certificate_t *cert;
- private_key_t *private;
- public_key_t *public;
- chunk_t encoding;
- char *file = NULL;
- void *cred;
-
- while (TRUE)
- {
- switch (getopt_long(argc, argv, "", long_opts, NULL))
- {
- case 'h':
- return usage(CMD_PUB, NULL);
- case 't':
- if (streq(optarg, "rsa"))
- {
- type = CRED_PRIVATE_KEY;
- subtype = KEY_RSA;
- }
- else if (streq(optarg, "ecdsa"))
- {
- type = CRED_PRIVATE_KEY;
- subtype = KEY_ECDSA;
- }
- else if (streq(optarg, "x509"))
- {
- type = CRED_CERTIFICATE;
- subtype = CERT_X509;
- }
- else
- {
- return usage(CMD_PUB, "invalid input type");
- }
- continue;
- case 'f':
- if (!get_form(optarg, &form, TRUE))
- {
- return usage(CMD_PUB, "invalid output format");
- }
- continue;
- case 'i':
- file = optarg;
- continue;
- case EOF:
- break;
- default:
- return usage(CMD_PUB, "invalid --pub option");
- }
- break;
- }
- if (file)
- {
- cred = lib->creds->create(lib->creds, type, subtype,
- BUILD_FROM_FILE, file, BUILD_END);
- }
- else
- {
- cred = lib->creds->create(lib->creds, type, subtype,
- BUILD_FROM_FD, 0, BUILD_END);
- }
-
- if (type == CRED_PRIVATE_KEY)
- {
- private = cred;
- if (!private)
- {
- fprintf(stderr, "parsing private key failed\n");
- return 1;
- }
- public = private->get_public_key(private);
- private->destroy(private);
- }
- else
- {
- cert = cred;
- if (!cert)
- {
- fprintf(stderr, "parsing certificate failed\n");
- return 1;
- }
- public = cert->get_public_key(cert);
- cert->destroy(cert);
- }
- if (!public)
- {
- fprintf(stderr, "extracting public key failed\n");
- return 1;
- }
- if (!public->get_encoding(public, form, &encoding))
- {
- fprintf(stderr, "public key encoding failed\n");
- public->destroy(public);
- return 1;
- }
- public->destroy(public);
- if (fwrite(encoding.ptr, encoding.len, 1, stdout) != 1)
- {
- fprintf(stderr, "writing public key failed\n");
- free(encoding.ptr);
- return 1;
- }
- free(encoding.ptr);
- return 0;
-}
-
-/**
- * Calculate the keyid of a key/certificate
- */
-static int keyid(int argc, char *argv[])
-{
- credential_type_t type = CRED_PRIVATE_KEY;
- int subtype = KEY_RSA;
- certificate_t *cert;
- private_key_t *private;
- public_key_t *public;
- char *file = NULL;
- void *cred;
- chunk_t id;
-
- while (TRUE)
- {
- switch (getopt_long(argc, argv, "", long_opts, NULL))
- {
- case 'h':
- return usage(CMD_KEYID, NULL);
- case 't':
- if (streq(optarg, "rsa-priv"))
- {
- type = CRED_PRIVATE_KEY;
- subtype = KEY_RSA;
- }
- else if (streq(optarg, "ecdsa-priv"))
- {
- type = CRED_PRIVATE_KEY;
- subtype = KEY_ECDSA;
- }
- else if (streq(optarg, "pub"))
- {
- type = CRED_PUBLIC_KEY;
- subtype = KEY_ANY;
- }
- else if (streq(optarg, "x509"))
- {
- type = CRED_CERTIFICATE;
- subtype = CERT_X509;
- }
- else
- {
- return usage(CMD_KEYID, "invalid input type");
- }
- continue;
- case 'i':
- file = optarg;
- continue;
- case EOF:
- break;
- default:
- return usage(CMD_KEYID, "invalid --keyid option");
- }
- break;
- }
- if (file)
- {
- cred = lib->creds->create(lib->creds, type, subtype,
- BUILD_FROM_FILE, file, BUILD_END);
- }
- else
- {
- cred = lib->creds->create(lib->creds, type, subtype,
- BUILD_FROM_FD, 0, BUILD_END);
- }
- if (!cred)
- {
- fprintf(stderr, "parsing input failed\n");
- return 1;
- }
-
- if (type == CRED_PRIVATE_KEY)
- {
- private = cred;
- if (private->get_fingerprint(private, KEY_ID_PUBKEY_SHA1, &id))
- {
- printf("subjectKeyIdentifier: %#B\n", &id);
- }
- if (private->get_fingerprint(private, KEY_ID_PUBKEY_INFO_SHA1, &id))
- {
- printf("subjectPublicKeyInfo hash: %#B\n", &id);
- }
- private->destroy(private);
- }
- else if (type == CRED_PUBLIC_KEY)
- {
- public = cred;
- if (public->get_fingerprint(public, KEY_ID_PUBKEY_SHA1, &id))
- {
- printf("subjectKeyIdentifier: %#B\n", &id);
- }
- if (public->get_fingerprint(public, KEY_ID_PUBKEY_INFO_SHA1, &id))
- {
- printf("subjectPublicKeyInfo hash: %#B\n", &id);
- }
- public->destroy(public);
- }
- else
- {
- cert = cred;
- public = cert->get_public_key(cert);
- if (!public)
- {
- fprintf(stderr, "extracting public key from certificate failed");
- return 1;
- }
- if (public->get_fingerprint(public, KEY_ID_PUBKEY_SHA1, &id))
- {
- printf("subjectKeyIdentifier: %#B\n", &id);
- }
- if (public->get_fingerprint(public, KEY_ID_PUBKEY_INFO_SHA1, &id))
- {
- printf("subjectPublicKeyInfo hash: %#B\n", &id);
- }
- public->destroy(public);
- cert->destroy(cert);
- }
- return 0;
-}
-
-/**
- * Create a self signed certificate.
- */
-static int self(int argc, char *argv[])
-{
- key_type_t type = KEY_RSA;
- hash_algorithm_t digest = HASH_SHA1;
- certificate_t *cert = NULL;
- private_key_t *private = NULL;
- public_key_t *public = NULL;
- char *file = NULL, *dn = NULL, *hex = NULL, *error = NULL;
- identification_t *id = NULL;
- linked_list_t *san;
- int lifetime = 1080;
- chunk_t serial = chunk_empty;
- chunk_t encoding = chunk_empty;
- time_t not_before, not_after;
- x509_flag_t flags = 0;
- options_t *options;
-
- options = options_create();
- san = linked_list_create();
-
- while (TRUE)
- {
- switch (getopt_long(argc, argv, "", long_opts, NULL))
- {
- case 'h':
- goto usage;
- case '+':
- if (!options->from(options, optarg, &argc, &argv, optind))
- {
- error = "invalid options file";
- goto usage;
- }
- continue;
- case 't':
- if (streq(optarg, "rsa"))
- {
- type = KEY_RSA;
- }
- else if (streq(optarg, "ecdsa"))
- {
- type = KEY_ECDSA;
- }
- else
- {
- error = "invalid input type";
- goto usage;
- }
- continue;
- case 'g':
- digest = get_digest(optarg);
- if (digest == HASH_UNKNOWN)
- {
- error = "invalid --digest type";
- goto usage;
- }
- continue;
- case 'i':
- file = optarg;
- continue;
- case 'd':
- dn = optarg;
- continue;
- case 'a':
- san->insert_last(san, identification_create_from_string(optarg));
- continue;
- case 'l':
- lifetime = atoi(optarg);
- if (!lifetime)
- {
- error = "invalid --lifetime value";
- goto usage;
- }
- continue;
- case 's':
- hex = optarg;
- continue;
- case 'c':
- flags |= X509_CA;
- continue;
- case EOF:
- break;
- default:
- error = "invalid --self option";
- goto usage;
- }
- break;
- }
-
- if (!dn)
- {
- error = "--dn is required";
- goto usage;
- }
- id = identification_create_from_string(dn);
- if (id->get_type(id) != ID_DER_ASN1_DN)
- {
- error = "supplied --dn is not a distinguished name";
- goto end;
- }
- if (file)
- {
- private = lib->creds->create(lib->creds, CRED_PRIVATE_KEY, type,
- BUILD_FROM_FILE, file, BUILD_END);
- }
- else
- {
- private = lib->creds->create(lib->creds, CRED_PRIVATE_KEY, type,
- BUILD_FROM_FD, 0, BUILD_END);
- }
- if (!private)
- {
- error = "parsing private key failed";
- goto end;
- }
- public = private->get_public_key(private);
- if (!public)
- {
- error = "extracting public key failed";
- goto end;
- }
- if (hex)
- {
- serial = chunk_from_hex(chunk_create(hex, strlen(hex)), NULL);
- }
- else
- {
- rng_t *rng = lib->crypto->create_rng(lib->crypto, RNG_WEAK);
-
- if (!rng)
- {
- error = "no random number generator found";
- goto end;
- }
- rng->allocate_bytes(rng, 8, &serial);
- rng->destroy(rng);
- }
- not_before = time(NULL);
- not_after = not_before + lifetime * 24 * 60 * 60;
- cert = lib->creds->create(lib->creds, CRED_CERTIFICATE, CERT_X509,
- BUILD_SIGNING_KEY, private, BUILD_PUBLIC_KEY, public,
- BUILD_SUBJECT, id, BUILD_NOT_BEFORE_TIME, not_before,
- BUILD_NOT_AFTER_TIME, not_after, BUILD_SERIAL, serial,
- BUILD_DIGEST_ALG, digest, BUILD_X509_FLAG, flags,
- BUILD_SUBJECT_ALTNAMES, san, BUILD_END);
- if (!cert)
- {
- error = "generating certificate failed";
- goto end;
- }
- encoding = cert->get_encoding(cert);
- if (!encoding.ptr)
- {
- error = "encoding certificate failed";
- goto end;
- }
- if (fwrite(encoding.ptr, encoding.len, 1, stdout) != 1)
- {
- error = "writing certificate key failed";
- goto end;
- }
-
-end:
- DESTROY_IF(id);
- DESTROY_IF(cert);
- DESTROY_IF(public);
- DESTROY_IF(private);
- san->destroy_offset(san, offsetof(identification_t, destroy));
- options->destroy(options);
- free(encoding.ptr);
- free(serial.ptr);
-
- if (error)
- {
- fprintf(stderr, "%s\n", error);
- return 1;
- }
- return 0;
-
-usage:
- san->destroy_offset(san, offsetof(identification_t, destroy));
- options->destroy(options);
- return usage(CMD_SELF, error);
-}
-
-/**
- * Issue a certificate using a CA certificate and key
- */
-static int issue(int argc, char *argv[])
-{
- hash_algorithm_t digest = HASH_SHA1;
- certificate_t *cert = NULL, *ca =NULL;
- private_key_t *private = NULL;
- public_key_t *public = NULL;
- char *file = NULL, *dn = NULL, *hex = NULL, *cacert = NULL, *cakey = NULL;
- char *error = NULL;
- identification_t *id = NULL;
- linked_list_t *san;
- int lifetime = 1080;
- chunk_t serial = chunk_empty;
- chunk_t encoding = chunk_empty;
- time_t not_before, not_after;
- x509_flag_t flags = 0;
- x509_t *x509;
- options_t *options;
-
- options = options_create();
- san = linked_list_create();
-
- while (TRUE)
- {
- switch (getopt_long(argc, argv, "", long_opts, NULL))
- {
- case 'h':
- goto usage;
- case '+':
- if (!options->from(options, optarg, &argc, &argv, optind))
- {
- error = "invalid options file";
- goto usage;
- }
- continue;
- case 't':
- if (!streq(optarg, "pub"))
- {
- error = "invalid input type";
- goto usage;
- }
- continue;
- case 'g':
- digest = get_digest(optarg);
- if (digest == HASH_UNKNOWN)
- {
- error = "invalid --digest type";
- goto usage;
- }
- continue;
- case 'i':
- file = optarg;
- continue;
- case 'c':
- cacert = optarg;
- continue;
- case 'k':
- cakey = optarg;
- continue;
- case 'd':
- dn = optarg;
- continue;
- case 'a':
- san->insert_last(san, identification_create_from_string(optarg));
- continue;
- case 'l':
- lifetime = atoi(optarg);
- if (!lifetime)
- {
- error = "invalid --lifetime value";
- goto usage;
- }
- continue;
- case 's':
- hex = optarg;
- continue;
- case 'b':
- flags |= X509_CA;
- continue;
- case EOF:
- break;
- default:
- error = "invalid --issue option";
- goto usage;
- }
- break;
- }
-
- if (!dn)
- {
- error = "--dn is required";
- goto usage;
- }
- if (!cacert)
- {
- error = "--cacert is required";
- goto usage;
- }
- if (!cakey)
- {
- error = "--cakey is required";
- goto usage;
- }
- id = identification_create_from_string(dn);
- if (id->get_type(id) != ID_DER_ASN1_DN)
- {
- error = "supplied --dn is not a distinguished name";
- goto end;
- }
- ca = lib->creds->create(lib->creds, CRED_CERTIFICATE, CERT_X509,
- BUILD_FROM_FILE, cacert, BUILD_END);
- if (!ca)
- {
- error = "parsing CA certificate failed";
- goto end;
- }
- x509 = (x509_t*)ca;
- if (!(x509->get_flags(x509) & X509_CA))
- {
- error = "CA certificate misses CA basicConstraint";
- goto end;
- }
-
- public = ca->get_public_key(ca);
- if (!public)
- {
- error = "extracting CA certificate public key failed";
- goto end;
- }
- private = lib->creds->create(lib->creds, CRED_PRIVATE_KEY,
- public->get_type(public),
- BUILD_FROM_FILE, cakey, BUILD_END);
- if (!private)
- {
- error = "parsing CA private key failed";
- goto end;
- }
- if (!private->belongs_to(private, public))
- {
- error = "CA private key does not match CA certificate";
- goto end;
- }
- public->destroy(public);
-
- if (file)
- {
- public = lib->creds->create(lib->creds, CRED_PUBLIC_KEY, KEY_ANY,
- BUILD_FROM_FILE, file, BUILD_END);
- }
- else
- {
- public = lib->creds->create(lib->creds, CRED_PUBLIC_KEY, KEY_ANY,
- BUILD_FROM_FD, 0, BUILD_END);
- }
- if (!public)
- {
- error = "parsing public key failed";
- goto end;
- }
-
- if (hex)
- {
- serial = chunk_from_hex(chunk_create(hex, strlen(hex)), NULL);
- }
- else
- {
- rng_t *rng = lib->crypto->create_rng(lib->crypto, RNG_WEAK);
-
- if (!rng)
- {
- error = "no random number generator found";
- goto end;
- }
- rng->allocate_bytes(rng, 8, &serial);
- rng->destroy(rng);
- }
- not_before = time(NULL);
- not_after = not_before + lifetime * 24 * 60 * 60;
- cert = lib->creds->create(lib->creds, CRED_CERTIFICATE, CERT_X509,
- BUILD_SIGNING_KEY, private, BUILD_SIGNING_CERT, ca,
- BUILD_PUBLIC_KEY, public, BUILD_SUBJECT, id,
- BUILD_NOT_BEFORE_TIME, not_before, BUILD_DIGEST_ALG, digest,
- BUILD_NOT_AFTER_TIME, not_after, BUILD_SERIAL, serial,
- BUILD_SUBJECT_ALTNAMES, san, BUILD_X509_FLAG, flags,
- BUILD_END);
- if (!cert)
- {
- error = "generating certificate failed";
- goto end;
- }
- encoding = cert->get_encoding(cert);
- if (!encoding.ptr)
- {
- error = "encoding certificate failed";
- goto end;
- }
- if (fwrite(encoding.ptr, encoding.len, 1, stdout) != 1)
- {
- error = "writing certificate key failed";
- goto end;
- }
-
-end:
- DESTROY_IF(id);
- DESTROY_IF(cert);
- DESTROY_IF(ca);
- DESTROY_IF(public);
- DESTROY_IF(private);
- san->destroy_offset(san, offsetof(identification_t, destroy));
- options->destroy(options);
- free(encoding.ptr);
- free(serial.ptr);
-
- if (error)
- {
- fprintf(stderr, "%s\n", error);
- return 1;
- }
- return 0;
-
-usage:
- san->destroy_offset(san, offsetof(identification_t, destroy));
- options->destroy(options);
- return usage(CMD_ISSUE, error);
-}
-
-/**
- * Verify a certificate signature
- */
-static int verify(int argc, char *argv[])
-{
- certificate_t *cert, *ca;
- char *file = NULL, *cafile = NULL;
- bool good = FALSE;
-
- struct option long_opts[] = {
- { "help", no_argument, NULL, 'h' },
- { "in", required_argument, NULL, 'i' },
- { "cacert", required_argument, NULL, 'c' },
- { 0,0,0,0 }
- };
-
- while (TRUE)
- {
- switch (getopt_long(argc, argv, "", long_opts, NULL))
- {
- case 'h':
- return usage(CMD_VERIFY, NULL);
- case 'i':
- file = optarg;
- continue;
- case 'c':
- cafile = optarg;
- continue;
- case EOF:
- break;
- default:
- return usage(CMD_VERIFY, "invalid --verify option");
- }
- break;
- }
-
- if (file)
- {
- cert = lib->creds->create(lib->creds, CRED_CERTIFICATE, CERT_X509,
- BUILD_FROM_FILE, file, BUILD_END);
- }
- else
- {
- cert = lib->creds->create(lib->creds, CRED_CERTIFICATE, CERT_X509,
- BUILD_FROM_FD, 0, BUILD_END);
- }
- if (!cert)
- {
- fprintf(stderr, "parsing certificate failed\n");
- return 1;
- }
- if (cafile)
- {
- ca = lib->creds->create(lib->creds, CRED_CERTIFICATE, CERT_X509,
- BUILD_FROM_FILE, cafile, BUILD_END);
- if (!ca)
- {
- fprintf(stderr, "parsing CA certificate failed\n");
- return 1;
- }
- }
- else
- {
- ca = cert;
- }
- if (cert->issued_by(cert, ca))
- {
- if (cert->get_validity(cert, NULL, NULL, NULL))
- {
- if (cafile)
- {
- if (ca->get_validity(ca, NULL, NULL, NULL))
- {
- printf("signature good, certificates valid\n");
- good = TRUE;
- }
- else
- {
- printf("signature good, CA certificates not valid now\n");
- }
- }
- else
- {
- printf("signature good, certificate valid\n");
- good = TRUE;
- }
- }
- else
- {
- printf("certificate not valid now\n");
- }
- }
- else
- {
- printf("signature invalid\n");
- }
- if (cafile)
- {
- ca->destroy(ca);
- }
- cert->destroy(cert);
-
- return good ? 0 : 2;
-}
-
/**
* Library initialization and operation parsing
*/
int main(int argc, char *argv[])
{
- int op, i;
-
atexit(library_deinit);
if (!library_init(STRONGSWAN_CONF))
{
{
exit(SS_RC_INITIALIZATION_FAILED);
}
-
- build_opts(CMD_HELP);
- op = getopt_long(argc, argv, "", long_opts, NULL);
- for (i = 0; i < CMD_MAX; i++)
- {
- if (cmds[i].op == op)
- {
- build_opts(i);
- return cmds[i].call(argc, argv);
- }
- }
- return usage(CMD_HELP, "invalid operation");
+ return command_dispatch(argc, argv);
}
--- /dev/null
+/*
+ * Copyright (C) 2009 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ */
+
+/**
+ * @defgroup pki pki
+ * @{ @ingroup pki
+ */
+
+#ifndef PKI_H_
+#define PKI_H_
+
+#include "command.h"
+
+#include <library.h>
+#include <credentials/keys/private_key.h>
+
+/**
+ * Convert a form string to a encoding type
+ */
+bool get_form(char *form, key_encoding_type_t *type, bool pub);
+
+/**
+ * Convert a digest string to a hash algorithm
+ */
+hash_algorithm_t get_digest(char *name);
+
+#endif /* PKI_ @}*/