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-rw-r--r--src/pki/commands/gen.c57
-rw-r--r--src/pki/commands/issue.c4
-rw-r--r--src/pki/commands/pkcs7.c462
-rw-r--r--src/pki/commands/req.c2
-rw-r--r--src/pki/commands/self.c2
-rw-r--r--src/pki/commands/signcrl.c4
6 files changed, 517 insertions, 14 deletions
diff --git a/src/pki/commands/gen.c b/src/pki/commands/gen.c
index 33d9cf35d..e3602f0c3 100644
--- a/src/pki/commands/gen.c
+++ b/src/pki/commands/gen.c
@@ -22,9 +22,10 @@ static int gen()
{
cred_encoding_type_t form = PRIVKEY_ASN1_DER;
key_type_t type = KEY_RSA;
- u_int size = 0;
+ u_int size = 0, shares = 0, threshold = 1;
private_key_t *key;
chunk_t encoding;
+ bool safe_primes = FALSE;
char *arg;
while (TRUE)
@@ -60,6 +61,23 @@ static int gen()
return command_usage("invalid key size");
}
continue;
+ case 'p':
+ safe_primes = TRUE;
+ continue;
+ case 'n':
+ shares = atoi(arg);
+ if (shares < 2)
+ {
+ return command_usage("invalid number of key shares");
+ }
+ continue;
+ case 'l':
+ threshold = atoi(arg);
+ if (threshold < 1)
+ {
+ return command_usage("invalid key share threshold");
+ }
+ continue;
case EOF:
break;
default:
@@ -82,8 +100,27 @@ static int gen()
break;
}
}
- key = lib->creds->create(lib->creds, CRED_PRIVATE_KEY, type,
- BUILD_KEY_SIZE, size, BUILD_END);
+ if (type == KEY_RSA && shares)
+ {
+ if (threshold > shares)
+ {
+ return command_usage("threshold is larger than number of shares");
+ }
+ key = lib->creds->create(lib->creds, CRED_PRIVATE_KEY, type,
+ BUILD_KEY_SIZE, size, BUILD_SAFE_PRIMES,
+ BUILD_SHARES, shares, BUILD_THRESHOLD, threshold,
+ BUILD_END);
+ }
+ else if (type == KEY_RSA && safe_primes)
+ {
+ key = lib->creds->create(lib->creds, CRED_PRIVATE_KEY, type,
+ BUILD_KEY_SIZE, size, BUILD_SAFE_PRIMES, BUILD_END);
+ }
+ else
+ {
+ 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");
@@ -113,12 +150,16 @@ static void __attribute__ ((constructor))reg()
{
command_register((command_t) {
gen, 'g', "gen", "generate a new private key",
- {"[--type rsa|ecdsa] [--size bits] [--outform der|pem|pgp]"},
+ {" [--type rsa|ecdsa] [--size bits] [--safe-primes]",
+ "[--shares n] [--threshold l] [--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"},
+ {"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"},
+ {"safe-primes", 'p', 0, "generate rsa safe primes"},
+ {"shares", 'n', 1, "number of private rsa key shares"},
+ {"threshold", 'l', 1, "minimum number of participating rsa key shares"},
+ {"outform", 'f', 1, "encoding of generated private key"},
}
});
}
diff --git a/src/pki/commands/issue.c b/src/pki/commands/issue.c
index 47e668b6c..5f098ba41 100644
--- a/src/pki/commands/issue.c
+++ b/src/pki/commands/issue.c
@@ -17,9 +17,9 @@
#include "pki.h"
-#include <debug.h>
+#include <utils/debug.h>
#include <asn1/asn1.h>
-#include <utils/linked_list.h>
+#include <collections/linked_list.h>
#include <credentials/certificates/certificate.h>
#include <credentials/certificates/x509.h>
#include <credentials/certificates/pkcs10.h>
diff --git a/src/pki/commands/pkcs7.c b/src/pki/commands/pkcs7.c
new file mode 100644
index 000000000..790656c62
--- /dev/null
+++ b/src/pki/commands/pkcs7.c
@@ -0,0 +1,462 @@
+/*
+ * Copyright (C) 2012 Martin Willi
+ * Copyright (C) 2012 revosec AG
+ *
+ * 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 <asn1/oid.h>
+#include <asn1/asn1.h>
+#include <credentials/containers/pkcs7.h>
+#include <credentials/sets/mem_cred.h>
+
+/**
+ * Read input data as chunk
+ */
+static chunk_t read_from_stream(FILE *stream)
+{
+ char buf[8096];
+ size_t len, total = 0;
+
+ while (TRUE)
+ {
+ len = fread(buf + total, 1, sizeof(buf) - total, stream);
+ if (len < (sizeof(buf) - total))
+ {
+ if (ferror(stream))
+ {
+ return chunk_empty;
+ }
+ if (feof(stream))
+ {
+ return chunk_clone(chunk_create(buf, total + len));
+ }
+ }
+ total += len;
+ if (total == sizeof(buf))
+ {
+ fprintf(stderr, "buffer too small to read input!\n");
+ return chunk_empty;
+ }
+ }
+}
+
+/**
+ * Write output data from chunk to stream
+ */
+static bool write_to_stream(FILE *stream, chunk_t data)
+{
+ size_t len, total = 0;
+
+ while (total < data.len)
+ {
+ len = fwrite(data.ptr + total, 1, data.len - total, stream);
+ if (len <= 0)
+ {
+ return FALSE;
+ }
+ total += len;
+ }
+ return TRUE;
+}
+
+/**
+ * Verify PKCS#7 signed-data
+ */
+static int verify(chunk_t chunk)
+{
+ container_t *container;
+ pkcs7_t *pkcs7;
+ enumerator_t *enumerator;
+ certificate_t *cert;
+ auth_cfg_t *auth;
+ chunk_t data;
+ time_t t;
+ bool verified = FALSE;
+
+ container = lib->creds->create(lib->creds, CRED_CONTAINER, CONTAINER_PKCS7,
+ BUILD_BLOB_ASN1_DER, chunk, BUILD_END);
+ if (!container)
+ {
+ return 1;
+ }
+
+ if (container->get_type(container) != CONTAINER_PKCS7_SIGNED_DATA)
+ {
+ fprintf(stderr, "verification failed, container is %N\n",
+ container_type_names, container->get_type(container));
+ container->destroy(container);
+ return 1;
+ }
+
+ pkcs7 = (pkcs7_t*)container;
+ enumerator = container->create_signature_enumerator(container);
+ while (enumerator->enumerate(enumerator, &auth))
+ {
+ verified = TRUE;
+ cert = auth->get(auth, AUTH_RULE_SUBJECT_CERT);
+ if (cert)
+ {
+ fprintf(stderr, "signed by '%Y'", cert->get_subject(cert));
+
+ if (pkcs7->get_attribute(pkcs7, OID_PKCS9_SIGNING_TIME,
+ enumerator, &data))
+ {
+ t = asn1_to_time(&data, ASN1_UTCTIME);
+ if (t != UNDEFINED_TIME)
+ {
+ fprintf(stderr, " at %T", &t, FALSE);
+ }
+ free(data.ptr);
+ }
+ fprintf(stderr, "\n");
+ }
+ }
+ enumerator->destroy(enumerator);
+
+ if (!verified)
+ {
+ fprintf(stderr, "no trusted signature found\n");
+ }
+
+ if (verified)
+ {
+ if (container->get_data(container, &data))
+ {
+ write_to_stream(stdout, data);
+ free(data.ptr);
+ }
+ else
+ {
+ verified = FALSE;
+ }
+ }
+ container->destroy(container);
+
+ return verified ? 0 : 1;
+}
+
+/**
+ * Sign data into PKCS#7 signed-data
+ */
+static int sign(chunk_t chunk, certificate_t *cert, private_key_t *key)
+{
+ container_t *container;
+ chunk_t encoding;
+ int res = 1;
+
+ container = lib->creds->create(lib->creds,
+ CRED_CONTAINER, CONTAINER_PKCS7_SIGNED_DATA,
+ BUILD_BLOB, chunk,
+ BUILD_SIGNING_CERT, cert,
+ BUILD_SIGNING_KEY, key,
+ BUILD_END);
+ if (container)
+ {
+ if (container->get_encoding(container, &encoding))
+ {
+ write_to_stream(stdout, encoding);
+ free(encoding.ptr);
+ }
+ container->destroy(container);
+ }
+ return res;
+}
+
+/**
+ * Encrypt data to a PKCS#7 enveloped-data
+ */
+static int encrypt(chunk_t chunk, certificate_t *cert)
+{
+ container_t *container;
+ chunk_t encoding;
+ int res = 1;
+
+ container = lib->creds->create(lib->creds,
+ CRED_CONTAINER, CONTAINER_PKCS7_ENVELOPED_DATA,
+ BUILD_BLOB, chunk, BUILD_CERT, cert,
+ BUILD_END);
+ if (container)
+ {
+ if (container->get_encoding(container, &encoding))
+ {
+ write_to_stream(stdout, encoding);
+ free(encoding.ptr);
+ }
+ container->destroy(container);
+ }
+ return res;
+}
+
+/**
+ * Decrypt PKCS#7 enveloped-data
+ */
+static int decrypt(chunk_t chunk)
+{
+ container_t *container;
+ chunk_t data;
+
+ container = lib->creds->create(lib->creds, CRED_CONTAINER, CONTAINER_PKCS7,
+ BUILD_BLOB_ASN1_DER, chunk, BUILD_END);
+ if (!container)
+ {
+ return 1;
+ }
+ if (container->get_type(container) != CONTAINER_PKCS7_ENVELOPED_DATA)
+ {
+ fprintf(stderr, "decryption failed, container is %N\n",
+ container_type_names, container->get_type(container));
+ container->destroy(container);
+ return 1;
+ }
+ if (!container->get_data(container, &data))
+ {
+ fprintf(stderr, "PKCS#7 decryption failed\n");
+ container->destroy(container);
+ return 1;
+ }
+ container->destroy(container);
+
+ write_to_stream(stdout, data);
+ free(data.ptr);
+
+ return 0;
+}
+
+/**
+ * Show info about PKCS#7 container
+ */
+static int show(chunk_t chunk)
+{
+ container_t *container;
+ pkcs7_t *pkcs7;
+ enumerator_t *enumerator;
+ certificate_t *cert;
+ chunk_t data;
+
+ container = lib->creds->create(lib->creds, CRED_CONTAINER, CONTAINER_PKCS7,
+ BUILD_BLOB_ASN1_DER, chunk, BUILD_END);
+ if (!container)
+ {
+ return 1;
+ }
+ fprintf(stderr, "%N\n", container_type_names, container->get_type(container));
+
+ if (container->get_type(container) == CONTAINER_PKCS7_SIGNED_DATA)
+ {
+ pkcs7 = (pkcs7_t*)container;
+ enumerator = pkcs7->create_cert_enumerator(pkcs7);
+ while (enumerator->enumerate(enumerator, &cert))
+ {
+ if (cert->get_encoding(cert, CERT_PEM, &data))
+ {
+ printf("%.*s", (int)data.len, data.ptr);
+ free(data.ptr);
+ }
+ }
+ enumerator->destroy(enumerator);
+ }
+ container->destroy(container);
+ return 0;
+}
+
+/**
+ * Wrap/Unwrap PKCs#7 containers
+ */
+static int pkcs7()
+{
+ char *arg, *file = NULL;
+ private_key_t *key = NULL;
+ certificate_t *cert = NULL;
+ chunk_t data = chunk_empty;
+ mem_cred_t *creds;
+ int res = 1;
+ FILE *in;
+ enum {
+ OP_NONE,
+ OP_SIGN,
+ OP_VERIFY,
+ OP_ENCRYPT,
+ OP_DECRYPT,
+ OP_SHOW,
+ } op = OP_NONE;
+
+ creds = mem_cred_create();
+
+ while (TRUE)
+ {
+ switch (command_getopt(&arg))
+ {
+ case 'h':
+ creds->destroy(creds);
+ return command_usage(NULL);
+ case 'i':
+ file = arg;
+ continue;
+ case 's':
+ if (op != OP_NONE)
+ {
+ goto invalid;
+ }
+ op = OP_SIGN;
+ continue;
+ case 'u':
+ if (op != OP_NONE)
+ {
+ goto invalid;
+ }
+ op = OP_VERIFY;
+ continue;
+ case 'e':
+ if (op != OP_NONE)
+ {
+ goto invalid;
+ }
+ op = OP_ENCRYPT;
+ continue;
+ case 'd':
+ if (op != OP_NONE)
+ {
+ goto invalid;
+ }
+ op = OP_DECRYPT;
+ continue;
+ case 'p':
+ if (op != OP_NONE)
+ {
+ goto invalid;
+ }
+ op = OP_SHOW;
+ continue;
+ case 'k':
+ key = lib->creds->create(lib->creds,
+ CRED_PRIVATE_KEY, KEY_RSA,
+ BUILD_FROM_FILE, arg, BUILD_END);
+ if (!key)
+ {
+ fprintf(stderr, "parsing private key failed\n");
+ goto end;
+ }
+ creds->add_key(creds, key);
+ continue;
+ case 'c':
+ cert = lib->creds->create(lib->creds,
+ CRED_CERTIFICATE, CERT_X509,
+ BUILD_FROM_FILE, arg, BUILD_END);
+ if (!cert)
+ {
+ fprintf(stderr, "parsing certificate failed\n");
+ goto end;
+ }
+ creds->add_cert(creds, TRUE, cert);
+ continue;
+ case EOF:
+ break;
+ default:
+ invalid:
+ creds->destroy(creds);
+ return command_usage("invalid --pkcs7 option");
+ }
+ break;
+ }
+
+ if (file)
+ {
+ in = fopen(file, "r");
+ if (in)
+ {
+ data = read_from_stream(in);
+ fclose(in);
+ }
+ }
+ else
+ {
+ data = read_from_stream(stdin);
+ }
+
+ if (!data.len)
+ {
+ fprintf(stderr, "reading input failed!\n");
+ goto end;
+ }
+ if (op != OP_SHOW && !cert)
+ {
+ fprintf(stderr, "requiring a certificate!\n");
+ goto end;
+ }
+
+ lib->credmgr->add_local_set(lib->credmgr, &creds->set, FALSE);
+
+ switch (op)
+ {
+ case OP_SIGN:
+ if (!key)
+ {
+ fprintf(stderr, "signing requires a private key\n");
+ res = 1;
+ break;
+ }
+ res = sign(data, cert, key);
+ break;
+ case OP_VERIFY:
+ res = verify(data);
+ break;
+ case OP_ENCRYPT:
+ res = encrypt(data, cert);
+ break;
+ case OP_DECRYPT:
+ if (!key)
+ {
+ fprintf(stderr, "decryption requires a private key\n");
+ res = 1;
+ break;
+ }
+ res = decrypt(data);
+ break;
+ case OP_SHOW:
+ res = show(data);
+ break;
+ default:
+ res = 1;
+ break;
+ }
+ lib->credmgr->remove_local_set(lib->credmgr, &creds->set);
+
+end:
+ creds->destroy(creds);
+ free(data.ptr);
+ return res;
+}
+
+/**
+ * Register the command.
+ */
+static void __attribute__ ((constructor))reg()
+{
+ command_register((command_t) {
+ pkcs7, '7', "pkcs7", "PKCS#7 wrap/unwrap functions",
+ {"--sign | --verify | --encrypt | --decrypt",
+ "--certificate+ [--key]"},
+ {
+ {"help", 'h', 0, "show usage information"},
+ {"sign", 's', 0, "create PKCS#7 signed-data"},
+ {"verify", 'u', 0, "verify PKCS#7 signed-data"},
+ {"encrypt", 'e', 0, "create PKCS#7 enveloped-data"},
+ {"decrypt", 'd', 0, "decrypt PKCS#7 enveloped-data"},
+ {"show", 'p', 0, "show info about PKCS#7, print certificates"},
+ {"in", 'i', 1, "input file, default: stdin"},
+ {"key", 'k', 1, "path to private key for sign/decryp"},
+ {"cert", 'c', 1, "path to certificate for sign/verify/encryp"},
+ }
+ });
+}
diff --git a/src/pki/commands/req.c b/src/pki/commands/req.c
index d050c7032..d90ddc251 100644
--- a/src/pki/commands/req.c
+++ b/src/pki/commands/req.c
@@ -19,7 +19,7 @@
#include "pki.h"
-#include <utils/linked_list.h>
+#include <collections/linked_list.h>
#include <credentials/certificates/certificate.h>
/**
diff --git a/src/pki/commands/self.c b/src/pki/commands/self.c
index 4a50aa463..448360821 100644
--- a/src/pki/commands/self.c
+++ b/src/pki/commands/self.c
@@ -17,7 +17,7 @@
#include "pki.h"
-#include <utils/linked_list.h>
+#include <collections/linked_list.h>
#include <credentials/certificates/certificate.h>
#include <credentials/certificates/x509.h>
#include <asn1/asn1.h>
diff --git a/src/pki/commands/signcrl.c b/src/pki/commands/signcrl.c
index 4ada120ed..f9746cca7 100644
--- a/src/pki/commands/signcrl.c
+++ b/src/pki/commands/signcrl.c
@@ -17,8 +17,8 @@
#include "pki.h"
-#include <debug.h>
-#include <utils/linked_list.h>
+#include <utils/debug.h>
+#include <collections/linked_list.h>
#include <credentials/certificates/certificate.h>
#include <credentials/certificates/x509.h>
#include <credentials/certificates/crl.h>
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-10 08:18:22 +0000