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-rw-r--r--src/pki/commands/issue.c370
1 files changed, 370 insertions, 0 deletions
diff --git a/src/pki/commands/issue.c b/src/pki/commands/issue.c
new file mode 100644
index 000000000..07ab9066a
--- /dev/null
+++ b/src/pki/commands/issue.c
@@ -0,0 +1,370 @@
+/*
+ * 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 <debug.h>
+#include <utils/linked_list.h>
+#include <credentials/certificates/certificate.h>
+#include <credentials/certificates/x509.h>
+#include <credentials/certificates/pkcs10.h>
+
+/**
+ * Issue a certificate using a CA certificate and key
+ */
+static int issue()
+{
+ hash_algorithm_t digest = HASH_SHA1;
+ certificate_t *cert_req = NULL, *cert = NULL, *ca =NULL;
+ private_key_t *private = NULL;
+ public_key_t *public = NULL;
+ bool pkcs10 = FALSE;
+ char *file = NULL, *dn = NULL, *hex = NULL, *cacert = NULL, *cakey = NULL;
+ char *error = NULL;
+ identification_t *id = NULL;
+ linked_list_t *san, *cdps, *ocsp;
+ int lifetime = 1080;
+ int pathlen = X509_NO_PATH_LEN_CONSTRAINT;
+ chunk_t serial = chunk_empty;
+ chunk_t encoding = chunk_empty;
+ time_t not_before, not_after;
+ x509_flag_t flags = 0;
+ x509_t *x509;
+ char *arg;
+
+ san = linked_list_create();
+ cdps = linked_list_create();
+ ocsp = linked_list_create();
+
+ while (TRUE)
+ {
+ switch (command_getopt(&arg))
+ {
+ case 'h':
+ goto usage;
+ case 't':
+ if (streq(arg, "pkcs10"))
+ {
+ pkcs10 = TRUE;
+ }
+ else if (!streq(arg, "pub"))
+ {
+ error = "invalid input type";
+ goto usage;
+ }
+ continue;
+ case 'g':
+ digest = get_digest(arg);
+ if (digest == HASH_UNKNOWN)
+ {
+ error = "invalid --digest type";
+ goto usage;
+ }
+ continue;
+ case 'i':
+ file = arg;
+ continue;
+ case 'c':
+ cacert = arg;
+ continue;
+ case 'k':
+ cakey = arg;
+ continue;
+ case 'd':
+ dn = arg;
+ continue;
+ case 'a':
+ san->insert_last(san, identification_create_from_string(arg));
+ continue;
+ case 'l':
+ lifetime = atoi(arg);
+ if (!lifetime)
+ {
+ error = "invalid --lifetime value";
+ goto usage;
+ }
+ continue;
+ case 's':
+ hex = arg;
+ continue;
+ case 'b':
+ flags |= X509_CA;
+ continue;
+ case 'p':
+ pathlen = atoi(arg);
+ continue;
+ case 'f':
+ if (streq(arg, "serverAuth"))
+ {
+ flags |= X509_SERVER_AUTH;
+ }
+ else if (streq(arg, "clientAuth"))
+ {
+ flags |= X509_CLIENT_AUTH;
+ }
+ else if (streq(arg, "ocspSigning"))
+ {
+ flags |= X509_OCSP_SIGNER;
+ }
+ continue;
+ case 'u':
+ cdps->insert_last(cdps, arg);
+ continue;
+ case 'o':
+ ocsp->insert_last(ocsp, arg);
+ continue;
+ case EOF:
+ break;
+ default:
+ error = "invalid --issue option";
+ goto usage;
+ }
+ break;
+ }
+
+ if (!pkcs10 && !dn)
+ {
+ error = "--dn is required";
+ goto usage;
+ }
+ if (!cacert)
+ {
+ error = "--cacert is required";
+ goto usage;
+ }
+ if (!cakey)
+ {
+ error = "--cakey is required";
+ goto usage;
+ }
+ if (dn)
+ {
+ 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;
+ }
+ }
+
+ DBG2("Reading ca certificate:");
+ 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;
+ }
+
+ DBG2("Reading ca private key:");
+ 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 (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);
+ }
+
+ if (pkcs10)
+ {
+ enumerator_t *enumerator;
+ identification_t *subjectAltName;
+ pkcs10_t *req;
+
+ DBG2("Reading certificate request");
+ if (file)
+ {
+ cert_req = lib->creds->create(lib->creds, CRED_CERTIFICATE,
+ CERT_PKCS10_REQUEST,
+ BUILD_FROM_FILE, file, BUILD_END);
+ }
+ else
+ {
+ cert_req = lib->creds->create(lib->creds, CRED_CERTIFICATE,
+ CERT_PKCS10_REQUEST,
+ BUILD_FROM_FD, 0, BUILD_END);
+ }
+ if (!cert_req)
+ {
+ error = "parsing certificate request failed";
+ goto end;
+ }
+
+ /* If not set yet use subject from PKCS#10 certificate request as DN */
+ if (!id)
+ {
+ id = cert_req->get_subject(cert_req);
+ id = id->clone(id);
+ }
+
+ /* Add subjectAltNames from PKCS#10 certificate request */
+ req = (pkcs10_t*)cert_req;
+ enumerator = req->create_subjectAltName_enumerator(req);
+ while (enumerator->enumerate(enumerator, &subjectAltName))
+ {
+ san->insert_last(san, subjectAltName->clone(subjectAltName));
+ }
+ enumerator->destroy(enumerator);
+
+ /* Use public key from PKCS#10 certificate request */
+ public = cert_req->get_public_key(cert_req);
+ }
+ else
+ {
+ DBG2("Reading public key:");
+ 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;
+ }
+
+ 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_PATHLEN, pathlen,
+ BUILD_CRL_DISTRIBUTION_POINTS, cdps,
+ BUILD_OCSP_ACCESS_LOCATIONS, ocsp, 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_req);
+ DESTROY_IF(cert);
+ DESTROY_IF(ca);
+ DESTROY_IF(public);
+ DESTROY_IF(private);
+ san->destroy_offset(san, offsetof(identification_t, destroy));
+ cdps->destroy(cdps);
+ ocsp->destroy(ocsp);
+ 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));
+ cdps->destroy(cdps);
+ ocsp->destroy(ocsp);
+ return command_usage(error);
+}
+
+/**
+ * Register the command.
+ */
+static void __attribute__ ((constructor))reg()
+{
+ command_register((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] [--crl uri]+ [--ocsp uri]+",
+ "[--ca] [--pathlen len] [--flag serverAuth|clientAuth|ocspSigning]+",
+ "[--digest md5|sha1|sha224|sha256|sha384|sha512]"},
+ {
+ {"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"},
+ {"pathlen", 'p', 1, "set path length constraint"},
+ {"flag", 'f', 1, "include extendedKeyUsage flag"},
+ {"crl", 'u', 1, "CRL distribution point URI to include"},
+ {"ocsp", 'o', 1, "OCSP AuthorityInfoAccess URI to include"},
+ {"digest", 'g', 1, "digest for signature creation, default: sha1"},
+ }
+ });
+}
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-15 20:34:50 +0000