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openssl/apps/pkcs12.c
Dr. David von Oheimb 1d6c86709c apps/pkcs12.c: Add -untrusted option 
Also improve EE cert selection, user guidance, and documentation.

Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org>
(Merged from https://github.com/openssl/openssl/pull/12643)
2020-08-27 20:08:44 +02:00

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/*
* Copyright 1999-2020 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <openssl/opensslconf.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "apps.h"
#include "progs.h"
#include <openssl/crypto.h>
#include <openssl/err.h>
#include <openssl/pem.h>
#include <openssl/pkcs12.h>
#include <openssl/provider.h>
DEFINE_STACK_OF(X509)
DEFINE_STACK_OF(PKCS7)
DEFINE_STACK_OF(PKCS12_SAFEBAG)
DEFINE_STACK_OF(X509_ATTRIBUTE)
DEFINE_STACK_OF_STRING()
#define NOKEYS 0x1
#define NOCERTS 0x2
#define INFO 0x4
#define CLCERTS 0x8
#define CACERTS 0x10
#define PASSWD_BUF_SIZE 2048
static int get_cert_chain(X509 *cert, X509_STORE *store,
STACK_OF(X509) *untrusted_certs,
STACK_OF(X509) **chain);
int dump_certs_keys_p12(BIO *out, const PKCS12 *p12,
const char *pass, int passlen, int options,
char *pempass, const EVP_CIPHER *enc);
int dump_certs_pkeys_bags(BIO *out, const STACK_OF(PKCS12_SAFEBAG) *bags,
const char *pass, int passlen, int options,
char *pempass, const EVP_CIPHER *enc);
int dump_certs_pkeys_bag(BIO *out, const PKCS12_SAFEBAG *bags,
const char *pass, int passlen,
int options, char *pempass, const EVP_CIPHER *enc);
void print_attribute(BIO *out, const ASN1_TYPE *av);
int print_attribs(BIO *out, const STACK_OF(X509_ATTRIBUTE) *attrlst,
const char *name);
void hex_prin(BIO *out, unsigned char *buf, int len);
static int alg_print(const X509_ALGOR *alg);
int cert_load(BIO *in, STACK_OF(X509) *sk);
static int set_pbe(int *ppbe, const char *str);
typedef enum OPTION_choice {
OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
OPT_CIPHER, OPT_NOKEYS, OPT_KEYEX, OPT_KEYSIG, OPT_NOCERTS, OPT_CLCERTS,
OPT_CACERTS, OPT_NOOUT, OPT_INFO, OPT_CHAIN, OPT_TWOPASS, OPT_NOMACVER,
OPT_DESCERT, OPT_EXPORT, OPT_ITER, OPT_NOITER, OPT_MACITER, OPT_NOMACITER,
OPT_NOMAC, OPT_LMK, OPT_NODES, OPT_NOENC, OPT_MACALG, OPT_CERTPBE, OPT_KEYPBE,
OPT_INKEY, OPT_CERTFILE, OPT_UNTRUSTED, OPT_PASSCERTS,
OPT_NAME, OPT_CSP, OPT_CANAME,
OPT_IN, OPT_OUT, OPT_PASSIN, OPT_PASSOUT, OPT_PASSWORD, OPT_CAPATH,
OPT_CAFILE, OPT_CASTORE, OPT_NOCAPATH, OPT_NOCAFILE, OPT_NOCASTORE, OPT_ENGINE,
OPT_R_ENUM, OPT_PROV_ENUM, OPT_LEGACY_ALG
} OPTION_CHOICE;
const OPTIONS pkcs12_options[] = {
OPT_SECTION("General"),
{"help", OPT_HELP, '-', "Display this summary"},
{"legacy", OPT_LEGACY_ALG, '-', "use legacy algorithms"},
#ifndef OPENSSL_NO_ENGINE
{"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
#endif
OPT_SECTION("CA input for export with the -chain option"),
{"CApath", OPT_CAPATH, '/', "PEM-format directory of CA's"},
{"CAfile", OPT_CAFILE, '<', "PEM-format file of CA's"},
{"CAstore", OPT_CASTORE, ':', "URI to store of CA's"},
{"no-CAfile", OPT_NOCAFILE, '-',
"Do not load the default certificates file"},
{"no-CApath", OPT_NOCAPATH, '-',
"Do not load certificates from the default certificates directory"},
{"no-CAstore", OPT_NOCASTORE, '-',
"Do not load certificates from the default certificates store"},
OPT_SECTION("Input"),
{"in", OPT_IN, '<', "Input file for PKCS12 parsing or certs and possibly key"},
{"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
{"inkey", OPT_INKEY, 's', "Private key, else read from -in input file"},
{"certfile", OPT_CERTFILE, '<', "Extra certificates for PKCS12 output"},
{"untrusted", OPT_UNTRUSTED, '<', "Untrusted certificates for chain building"},
{"passcerts", OPT_PASSCERTS, 's', "Certificate file pass phrase source"},
{"name", OPT_NAME, 's', "Use name as friendly name"},
{"CSP", OPT_CSP, 's', "Microsoft CSP name"},
{"caname", OPT_CANAME, 's',
"Use name as CA friendly name (can be repeated)"},
OPT_SECTION("Output"),
{"export", OPT_EXPORT, '-', "Output PKCS12 file"},
{"LMK", OPT_LMK, '-',
"Add local machine keyset attribute to private key"},
{"macalg", OPT_MACALG, 's',
"Digest algorithm to use in MAC (default SHA1)"},
{"keypbe", OPT_KEYPBE, 's', "Private key PBE algorithm (default 3DES)"},
{"out", OPT_OUT, '>', "Output filename"},
{"passout", OPT_PASSOUT, 's', "Output pass phrase source"},
{"password", OPT_PASSWORD, 's', "Set import/export password source"},
{"nocerts", OPT_NOCERTS, '-', "Don't output certificates"},
{"clcerts", OPT_CLCERTS, '-', "Only output client certificates"},
{"cacerts", OPT_CACERTS, '-', "Only output CA certificates"},
{"noout", OPT_NOOUT, '-', "Don't output anything, just verify PKCS#12 input"},
{"chain", OPT_CHAIN, '-', "Build and add certificate chain for EE cert,"},
{OPT_MORE_STR, 0, 0,
"which is the 1st cert from -in matching the private key (if given)"},
{"twopass", OPT_TWOPASS, '-', "Separate MAC, encryption passwords"},
{"nomacver", OPT_NOMACVER, '-', "Don't verify MAC"},
{"info", OPT_INFO, '-', "Print info about PKCS#12 structure"},
{"nokeys", OPT_NOKEYS, '-', "Don't output private keys"},
{"keyex", OPT_KEYEX, '-', "Set key type to MS key exchange"},
{"keysig", OPT_KEYSIG, '-', "Set key type to MS key signature"},
OPT_SECTION("PKCS12 output encryption and MAC"),
#ifndef OPENSSL_NO_RC2
{"descert", OPT_DESCERT, '-',
"Encrypt output with 3DES (default PBES2 with PBKDF2 and AES-256 CBC)"},
{"certpbe", OPT_CERTPBE, 's',
"Certificate PBE algorithm (default PBES2 with PBKDF2 and AES-256 CBC)"},
#else
{"descert", OPT_DESCERT, '-', "Encrypt output with 3DES (the default)"},
{"certpbe", OPT_CERTPBE, 's', "Certificate PBE algorithm (default 3DES)"},
#endif
{"iter", OPT_ITER, 'p', "Specify the iteration count for encryption key and MAC"},
{"noiter", OPT_NOITER, '-', "Don't use encryption key iteration"},
{"maciter", OPT_MACITER, '-', "Unused, kept for backwards compatibility"},
{"nomaciter", OPT_NOMACITER, '-', "Don't use MAC iteration"},
{"nomac", OPT_NOMAC, '-', "Don't generate MAC"},
{"noenc", OPT_NOENC, '-', "Don't encrypt private keys"},
{"nodes", OPT_NODES, '-', "Don't encrypt private keys; deprecated"},
{"", OPT_CIPHER, '-', "Any supported cipher"},
OPT_R_OPTIONS,
OPT_PROV_OPTIONS,
{NULL}
};
int pkcs12_main(int argc, char **argv)
{
char *infile = NULL, *outfile = NULL, *keyname = NULL, *certfile = NULL;
char *untrusted = NULL;
char *passcertsarg = NULL, *passcerts = NULL;
char *name = NULL, *csp_name = NULL;
char pass[PASSWD_BUF_SIZE] = "", macpass[PASSWD_BUF_SIZE] = "";
int export_cert = 0, options = 0, chain = 0, twopass = 0, keytype = 0, use_legacy = 0;
int iter = PKCS12_DEFAULT_ITER, maciter = PKCS12_DEFAULT_ITER;
int cert_pbe = NID_aes_256_cbc;
int key_pbe = NID_aes_256_cbc;
int ret = 1, macver = 1, add_lmk = 0, private = 0;
int noprompt = 0;
char *passinarg = NULL, *passoutarg = NULL, *passarg = NULL;
char *passin = NULL, *passout = NULL, *macalg = NULL;
char *cpass = NULL, *mpass = NULL, *badpass = NULL;
const char *CApath = NULL, *CAfile = NULL, *CAstore = NULL, *prog;
int noCApath = 0, noCAfile = 0, noCAstore = 0;
ENGINE *e = NULL;
BIO *in = NULL, *out = NULL;
PKCS12 *p12 = NULL;
STACK_OF(OPENSSL_STRING) *canames = NULL;
const EVP_CIPHER *enc = EVP_aes_256_cbc();
OPTION_CHOICE o;
prog = opt_init(argc, argv, pkcs12_options);
while ((o = opt_next()) != OPT_EOF) {
switch (o) {
case OPT_EOF:
case OPT_ERR:
opthelp:
BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
goto end;
case OPT_HELP:
opt_help(pkcs12_options);
ret = 0;
goto end;
case OPT_NOKEYS:
options |= NOKEYS;
break;
case OPT_KEYEX:
keytype = KEY_EX;
break;
case OPT_KEYSIG:
keytype = KEY_SIG;
break;
case OPT_NOCERTS:
options |= NOCERTS;
break;
case OPT_CLCERTS:
options |= CLCERTS;
break;
case OPT_CACERTS:
options |= CACERTS;
break;
case OPT_NOOUT:
options |= (NOKEYS | NOCERTS);
break;
case OPT_INFO:
options |= INFO;
break;
case OPT_CHAIN:
chain = 1;
break;
case OPT_TWOPASS:
twopass = 1;
break;
case OPT_NOMACVER:
macver = 0;
break;
case OPT_DESCERT:
cert_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
break;
case OPT_EXPORT:
export_cert = 1;
break;
case OPT_CIPHER:
if (!opt_cipher(opt_unknown(), &enc))
goto opthelp;
break;
case OPT_ITER:
if (!opt_int(opt_arg(), &iter))
goto opthelp;
maciter = iter;
break;
case OPT_NOITER:
iter = 1;
break;
case OPT_MACITER:
/* no-op */
break;
case OPT_NOMACITER:
maciter = 1;
break;
case OPT_NOMAC:
maciter = -1;
break;
case OPT_MACALG:
macalg = opt_arg();
break;
case OPT_NODES:
case OPT_NOENC:
enc = NULL;
break;
case OPT_CERTPBE:
if (!set_pbe(&cert_pbe, opt_arg()))
goto opthelp;
break;
case OPT_KEYPBE:
if (!set_pbe(&key_pbe, opt_arg()))
goto opthelp;
break;
case OPT_R_CASES:
if (!opt_rand(o))
goto end;
break;
case OPT_INKEY:
keyname = opt_arg();
break;
case OPT_CERTFILE:
certfile = opt_arg();
break;
case OPT_UNTRUSTED:
untrusted = opt_arg();
break;
case OPT_PASSCERTS:
passcertsarg = opt_arg();
break;
case OPT_NAME:
name = opt_arg();
break;
case OPT_LMK:
add_lmk = 1;
break;
case OPT_CSP:
csp_name = opt_arg();
break;
case OPT_CANAME:
if (canames == NULL
&& (canames = sk_OPENSSL_STRING_new_null()) == NULL)
goto end;
sk_OPENSSL_STRING_push(canames, opt_arg());
break;
case OPT_IN:
infile = opt_arg();
break;
case OPT_OUT:
outfile = opt_arg();
break;
case OPT_PASSIN:
passinarg = opt_arg();
break;
case OPT_PASSOUT:
passoutarg = opt_arg();
break;
case OPT_PASSWORD:
passarg = opt_arg();
break;
case OPT_CAPATH:
CApath = opt_arg();
break;
case OPT_CASTORE:
CAstore = opt_arg();
break;
case OPT_CAFILE:
CAfile = opt_arg();
break;
case OPT_NOCAPATH:
noCApath = 1;
break;
case OPT_NOCASTORE:
noCAstore = 1;
break;
case OPT_NOCAFILE:
noCAfile = 1;
break;
case OPT_ENGINE:
e = setup_engine(opt_arg(), 0);
break;
case OPT_LEGACY_ALG:
use_legacy = 1;
break;
case OPT_PROV_CASES:
if (!opt_provider(o))
goto end;
break;
}
}
argc = opt_num_rest();
if (!export_cert) {
if (chain)
BIO_printf(bio_err, "Warning: -chain option ignored without -export\n");
if (certfile != NULL)
BIO_printf(bio_err, "Warning: -certfile option ignored without -export\n");
if (untrusted != NULL)
BIO_printf(bio_err, "Warning: -untrusted option ignored without -export\n");
if (passcertsarg != NULL)
BIO_printf(bio_err,
"Warning: -passcerts option ignored without -export\n");
if (CApath != NULL || noCApath)
BIO_printf(bio_err, "Warning: -[no-]CApath option ignored without -export\n");
if (CAfile != NULL || noCAfile)
BIO_printf(bio_err, "Warning: -[no-]CAfile option ignored without -export\n");
if (CAstore != NULL || noCAstore)
BIO_printf(bio_err, "Warning: -[no-]CAstore option ignored without -export\n");
if (add_lmk)
BIO_printf(bio_err, "Warning: -LMK option ignored without -export\n");
if (name != NULL)
BIO_printf(bio_err, "Warning: -name option ignored without -export\n");
if (csp_name != NULL)
BIO_printf(bio_err, "Warning: -CSP option ignored without -export\n");
if (canames != NULL)
BIO_printf(bio_err, "Warning: -caname option ignored without -export\n");
if (keyname != NULL)
BIO_printf(bio_err, "Warning: -inkey option ignored without -export\n");
if (keytype != 0)
BIO_printf(bio_err, "Warning: -keyex and -keysig options ignored without -export\n");
if (macalg != NULL)
BIO_printf(bio_err, "Warning: -macalg option ignored without -export\n");
}
if (use_legacy) {
/* load the legacy provider if not loaded already*/
if (!OSSL_PROVIDER_available(app_get0_libctx(), "legacy")) {
if (!app_provider_load(app_get0_libctx(), "legacy"))
goto end;
/* load the default provider explicitly */
if (!app_provider_load(app_get0_libctx(), "default"))
goto end;
}
if (cert_pbe != NID_pbe_WithSHA1And3_Key_TripleDES_CBC) {
/* Restore default algorithms */
#ifndef OPENSSL_NO_RC2
cert_pbe = NID_pbe_WithSHA1And40BitRC2_CBC;
#else
cert_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
#endif
}
key_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
enc = EVP_des_ede3_cbc();
}
if (argc != 0)
goto opthelp;
private = 1;
if (!app_passwd(passcertsarg, NULL, &passcerts, NULL)) {
BIO_printf(bio_err, "Error getting certificate file password\n");
goto end;
}
if (passarg != NULL) {
if (export_cert)
passoutarg = passarg;
else
passinarg = passarg;
}
if (!app_passwd(passinarg, passoutarg, &passin, &passout)) {
BIO_printf(bio_err, "Error getting passwords\n");
goto end;
}
if (cpass == NULL) {
if (export_cert)
cpass = passout;
else
cpass = passin;
}
if (cpass != NULL) {
mpass = cpass;
noprompt = 1;
if (twopass) {
if (export_cert)
BIO_printf(bio_err, "Option -twopass cannot be used with -passout or -password\n");
else
BIO_printf(bio_err, "Option -twopass cannot be used with -passin or -password\n");
goto end;
}
} else {
cpass = pass;
mpass = macpass;
}
if (twopass) {
/* To avoid bit rot */
if (1) {
#ifndef OPENSSL_NO_UI_CONSOLE
if (EVP_read_pw_string(
macpass, sizeof(macpass), "Enter MAC Password:", export_cert)) {
BIO_printf(bio_err, "Can't read Password\n");
goto end;
}
} else {
#endif
BIO_printf(bio_err, "Unsupported option -twopass\n");
goto end;
}
}
if (export_cert) {
EVP_PKEY *key = NULL;
X509 *ee_cert = NULL, *x = NULL;
STACK_OF(X509) *certs = NULL;
STACK_OF(X509) *untrusted_certs = NULL;
const EVP_MD *macmd = NULL;
unsigned char *catmp = NULL;
int i;
if ((options & (NOCERTS | NOKEYS)) == (NOCERTS | NOKEYS)) {
BIO_printf(bio_err, "Nothing to export due to -nocerts and -nokeys or -noout!\n");
goto export_end;
}
if ((options & NOCERTS) != 0) {
chain = 0;
BIO_printf(bio_err, "Warning: -chain option ignored with -nocerts\n");
}
if (!(options & NOKEYS)) {
key = load_key(keyname ? keyname : infile,
FORMAT_PEM, 1, passin, e,
keyname ?
"private key from -inkey file" :
"private key from -in file");
if (key == NULL)
goto export_end;
}
/* Load all certs in input file */
if (!(options & NOCERTS)) {
if (!load_certs(infile, &certs, passin,
"certificates from -in file"))
goto export_end;
if (sk_X509_num(certs) < 1) {
BIO_printf(bio_err, "No certificate in -in file %s\n", infile);
goto export_end;
}
if (key != NULL) {
/* Look for matching private key */
for (i = 0; i < sk_X509_num(certs); i++) {
x = sk_X509_value(certs, i);
if (X509_check_private_key(x, key)) {
ee_cert = x;
/* Zero keyid and alias */
X509_keyid_set1(ee_cert, NULL, 0);
X509_alias_set1(ee_cert, NULL, 0);
/* Remove from list */
(void)sk_X509_delete(certs, i);
break;
}
}
if (ee_cert == NULL) {
BIO_printf(bio_err,
"No cert in -in file '%s' matches private key\n",
infile);
goto export_end;
}
} else {
ee_cert = X509_dup(sk_X509_value(certs, 0)); /* take 1st cert */
}
}
/* Load any untrusted certificates for chain building */
if (untrusted != NULL) {
if (!load_certs(untrusted, &untrusted_certs, passcerts,
"untrusted certificates"))
goto export_end;
}
/* If chaining get chain from end entity cert */
if (chain) {
int vret;
STACK_OF(X509) *chain2;
X509_STORE *store;
if (ee_cert == NULL) {
BIO_printf(bio_err,
"No end entity certificate to check with -chain\n");
goto export_end;
}
if ((store = setup_verify(CAfile, noCAfile, CApath, noCApath,
CAstore, noCAstore))
== NULL)
goto export_end;
vret = get_cert_chain(ee_cert, store, untrusted_certs, &chain2);
X509_STORE_free(store);
if (vret == X509_V_OK) {
/* Remove from chain2 the first (end entity) certificate */
X509_free(sk_X509_shift(chain2));
/* Add the remaining certs (except for duplicates) */
if (!X509_add_certs(certs, chain2, X509_ADD_FLAG_UP_REF
| X509_ADD_FLAG_NO_DUP))
goto export_end;
sk_X509_pop_free(chain2, X509_free);
} else {
if (vret != X509_V_ERR_UNSPECIFIED)
BIO_printf(bio_err, "Error getting chain: %s\n",
X509_verify_cert_error_string(vret));
goto export_end;
}
}
/* Add any extra certificates asked for */
if (certfile != NULL) {
if (!load_certs(certfile, &certs, passcerts,
"extra certificates from -certfile"))
goto export_end;
}
/* Add any CA names */
for (i = 0; i < sk_OPENSSL_STRING_num(canames); i++) {
catmp = (unsigned char *)sk_OPENSSL_STRING_value(canames, i);
X509_alias_set1(sk_X509_value(certs, i), catmp, -1);
}
if (csp_name != NULL && key != NULL)
EVP_PKEY_add1_attr_by_NID(key, NID_ms_csp_name,
MBSTRING_ASC, (unsigned char *)csp_name,
-1);
if (add_lmk && key != NULL)
EVP_PKEY_add1_attr_by_NID(key, NID_LocalKeySet, 0, NULL, -1);
if (!noprompt) {
/* To avoid bit rot */
if (1) {
#ifndef OPENSSL_NO_UI_CONSOLE
if (EVP_read_pw_string(pass, sizeof(pass),
"Enter Export Password:", 1)) {
BIO_printf(bio_err, "Can't read Password\n");
goto export_end;
}
} else {
#endif
BIO_printf(bio_err, "Password required\n");
goto export_end;
}
}
if (!twopass)
OPENSSL_strlcpy(macpass, pass, sizeof(macpass));
p12 = PKCS12_create(cpass, name, key, ee_cert, certs,
key_pbe, cert_pbe, iter, -1, keytype);
if (p12 == NULL) {
ERR_print_errors(bio_err);
goto export_end;
}
if (macalg != NULL) {
if (!opt_md(macalg, &macmd))
goto opthelp;
}
if (maciter != -1)
PKCS12_set_mac(p12, mpass, -1, NULL, 0, maciter, macmd);
assert(private);
out = bio_open_owner(outfile, FORMAT_PKCS12, private);
if (out == NULL)
goto end;
i2d_PKCS12_bio(out, p12);
ret = 0;
export_end:
EVP_PKEY_free(key);
sk_X509_pop_free(certs, X509_free);
sk_X509_pop_free(untrusted_certs, X509_free);
X509_free(ee_cert);
goto end;
}
in = bio_open_default(infile, 'r', FORMAT_PKCS12);
if (in == NULL)
goto end;
out = bio_open_owner(outfile, FORMAT_PEM, private);
if (out == NULL)
goto end;
if ((p12 = d2i_PKCS12_bio(in, NULL)) == NULL) {
ERR_print_errors(bio_err);
goto end;
}
if (!noprompt) {
if (1) {
#ifndef OPENSSL_NO_UI_CONSOLE
if (EVP_read_pw_string(pass, sizeof(pass), "Enter Import Password:",
0)) {
BIO_printf(bio_err, "Can't read Password\n");
goto end;
}
} else {
#endif
BIO_printf(bio_err, "Password required\n");
goto end;
}
}
if (!twopass)
OPENSSL_strlcpy(macpass, pass, sizeof(macpass));
if ((options & INFO) && PKCS12_mac_present(p12)) {
const ASN1_INTEGER *tmaciter;
const X509_ALGOR *macalgid;
const ASN1_OBJECT *macobj;
const ASN1_OCTET_STRING *tmac;
const ASN1_OCTET_STRING *tsalt;
PKCS12_get0_mac(&tmac, &macalgid, &tsalt, &tmaciter, p12);
/* current hash algorithms do not use parameters so extract just name,
in future alg_print() may be needed */
X509_ALGOR_get0(&macobj, NULL, NULL, macalgid);
BIO_puts(bio_err, "MAC: ");
i2a_ASN1_OBJECT(bio_err, macobj);
BIO_printf(bio_err, ", Iteration %ld\n",
tmaciter != NULL ? ASN1_INTEGER_get(tmaciter) : 1L);
BIO_printf(bio_err, "MAC length: %ld, salt length: %ld\n",
tmac != NULL ? ASN1_STRING_length(tmac) : 0L,
tsalt != NULL ? ASN1_STRING_length(tsalt) : 0L);
}
if (macver) {
/* If we enter empty password try no password first */
if (!mpass[0] && PKCS12_verify_mac(p12, NULL, 0)) {
/* If mac and crypto pass the same set it to NULL too */
if (!twopass)
cpass = NULL;
} else if (!PKCS12_verify_mac(p12, mpass, -1)) {
/*
* May be UTF8 from previous version of OpenSSL:
* convert to a UTF8 form which will translate
* to the same Unicode password.
*/
unsigned char *utmp;
int utmplen;
utmp = OPENSSL_asc2uni(mpass, -1, NULL, &utmplen);
if (utmp == NULL)
goto end;
badpass = OPENSSL_uni2utf8(utmp, utmplen);
OPENSSL_free(utmp);
if (!PKCS12_verify_mac(p12, badpass, -1)) {
BIO_printf(bio_err, "Mac verify error: invalid password?\n");
ERR_print_errors(bio_err);
goto end;
} else {
BIO_printf(bio_err, "Warning: using broken algorithm\n");
if (!twopass)
cpass = badpass;
}
}
}
assert(private);
if (!dump_certs_keys_p12(out, p12, cpass, -1, options, passout, enc)) {
BIO_printf(bio_err, "Error outputting keys and certificates\n");
ERR_print_errors(bio_err);
goto end;
}
ret = 0;
end:
PKCS12_free(p12);
release_engine(e);
BIO_free(in);
BIO_free_all(out);
sk_OPENSSL_STRING_free(canames);
OPENSSL_free(badpass);
OPENSSL_free(passcerts);
OPENSSL_free(passin);
OPENSSL_free(passout);
return ret;
}
int dump_certs_keys_p12(BIO *out, const PKCS12 *p12, const char *pass,
int passlen, int options, char *pempass,
const EVP_CIPHER *enc)
{
STACK_OF(PKCS7) *asafes = NULL;
STACK_OF(PKCS12_SAFEBAG) *bags;
int i, bagnid;
int ret = 0;
PKCS7 *p7;
if ((asafes = PKCS12_unpack_authsafes(p12)) == NULL)
return 0;
for (i = 0; i < sk_PKCS7_num(asafes); i++) {
p7 = sk_PKCS7_value(asafes, i);
bagnid = OBJ_obj2nid(p7->type);
if (bagnid == NID_pkcs7_data) {
bags = PKCS12_unpack_p7data(p7);
if (options & INFO)
BIO_printf(bio_err, "PKCS7 Data\n");
} else if (bagnid == NID_pkcs7_encrypted) {
if (options & INFO) {
BIO_printf(bio_err, "PKCS7 Encrypted data: ");
alg_print(p7->d.encrypted->enc_data->algorithm);
}
bags = PKCS12_unpack_p7encdata(p7, pass, passlen);
} else {
continue;
}
if (!bags)
goto err;
if (!dump_certs_pkeys_bags(out, bags, pass, passlen,
options, pempass, enc)) {
sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
goto err;
}
sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
bags = NULL;
}
ret = 1;
err:
sk_PKCS7_pop_free(asafes, PKCS7_free);
return ret;
}
int dump_certs_pkeys_bags(BIO *out, const STACK_OF(PKCS12_SAFEBAG) *bags,
const char *pass, int passlen, int options,
char *pempass, const EVP_CIPHER *enc)
{
int i;
for (i = 0; i < sk_PKCS12_SAFEBAG_num(bags); i++) {
if (!dump_certs_pkeys_bag(out,
sk_PKCS12_SAFEBAG_value(bags, i),
pass, passlen, options, pempass, enc))
return 0;
}
return 1;
}
int dump_certs_pkeys_bag(BIO *out, const PKCS12_SAFEBAG *bag,
const char *pass, int passlen, int options,
char *pempass, const EVP_CIPHER *enc)
{
EVP_PKEY *pkey;
PKCS8_PRIV_KEY_INFO *p8;
const PKCS8_PRIV_KEY_INFO *p8c;
X509 *x509;
const STACK_OF(X509_ATTRIBUTE) *attrs;
int ret = 0;
attrs = PKCS12_SAFEBAG_get0_attrs(bag);
switch (PKCS12_SAFEBAG_get_nid(bag)) {
case NID_keyBag:
if (options & INFO)
BIO_printf(bio_err, "Key bag\n");
if (options & NOKEYS)
return 1;
print_attribs(out, attrs, "Bag Attributes");
p8c = PKCS12_SAFEBAG_get0_p8inf(bag);
if ((pkey = EVP_PKCS82PKEY(p8c)) == NULL)
return 0;
print_attribs(out, PKCS8_pkey_get0_attrs(p8c), "Key Attributes");
ret = PEM_write_bio_PrivateKey(out, pkey, enc, NULL, 0, NULL, pempass);
EVP_PKEY_free(pkey);
break;
case NID_pkcs8ShroudedKeyBag:
if (options & INFO) {
const X509_SIG *tp8;
const X509_ALGOR *tp8alg;
BIO_printf(bio_err, "Shrouded Keybag: ");
tp8 = PKCS12_SAFEBAG_get0_pkcs8(bag);
X509_SIG_get0(tp8, &tp8alg, NULL);
alg_print(tp8alg);
}
if (options & NOKEYS)
return 1;
print_attribs(out, attrs, "Bag Attributes");
if ((p8 = PKCS12_decrypt_skey(bag, pass, passlen)) == NULL)
return 0;
if ((pkey = EVP_PKCS82PKEY(p8)) == NULL) {
PKCS8_PRIV_KEY_INFO_free(p8);
return 0;
}
print_attribs(out, PKCS8_pkey_get0_attrs(p8), "Key Attributes");
PKCS8_PRIV_KEY_INFO_free(p8);
ret = PEM_write_bio_PrivateKey(out, pkey, enc, NULL, 0, NULL, pempass);
EVP_PKEY_free(pkey);
break;
case NID_certBag:
if (options & INFO)
BIO_printf(bio_err, "Certificate bag\n");
if (options & NOCERTS)
return 1;
if (PKCS12_SAFEBAG_get0_attr(bag, NID_localKeyID)) {
if (options & CACERTS)
return 1;
} else if (options & CLCERTS)
return 1;
print_attribs(out, attrs, "Bag Attributes");
if (PKCS12_SAFEBAG_get_bag_nid(bag) != NID_x509Certificate)
return 1;
if ((x509 = PKCS12_SAFEBAG_get1_cert(bag)) == NULL)
return 0;
dump_cert_text(out, x509);
ret = PEM_write_bio_X509(out, x509);
X509_free(x509);
break;
case NID_secretBag:
if (options & INFO)
BIO_printf(bio_err, "Secret bag\n");
print_attribs(out, attrs, "Bag Attributes");
BIO_printf(bio_err, "Bag Type: ");
i2a_ASN1_OBJECT(bio_err, PKCS12_SAFEBAG_get0_bag_type(bag));
BIO_printf(bio_err, "\nBag Value: ");
print_attribute(out, PKCS12_SAFEBAG_get0_bag_obj(bag));
return 1;
case NID_safeContentsBag:
if (options & INFO)
BIO_printf(bio_err, "Safe Contents bag\n");
print_attribs(out, attrs, "Bag Attributes");
return dump_certs_pkeys_bags(out, PKCS12_SAFEBAG_get0_safes(bag),
pass, passlen, options, pempass, enc);
default:
BIO_printf(bio_err, "Warning unsupported bag type: ");
i2a_ASN1_OBJECT(bio_err, PKCS12_SAFEBAG_get0_type(bag));
BIO_printf(bio_err, "\n");
return 1;
}
return ret;
}
/* Given a single certificate return a verified chain or NULL if error */
static int get_cert_chain(X509 *cert, X509_STORE *store,
STACK_OF(X509) *untrusted_certs,
STACK_OF(X509) **chain)
{
X509_STORE_CTX *store_ctx = NULL;
STACK_OF(X509) *chn = NULL;
int i = 0;
store_ctx = X509_STORE_CTX_new_with_libctx(app_get0_libctx(),
app_get0_propq());
if (store_ctx == NULL) {
i = X509_V_ERR_UNSPECIFIED;
goto end;
}
if (!X509_STORE_CTX_init(store_ctx, store, cert, untrusted_certs)) {
i = X509_V_ERR_UNSPECIFIED;
goto end;
}
if (X509_verify_cert(store_ctx) > 0)
chn = X509_STORE_CTX_get1_chain(store_ctx);
else if ((i = X509_STORE_CTX_get_error(store_ctx)) == 0)
i = X509_V_ERR_UNSPECIFIED;
end:
X509_STORE_CTX_free(store_ctx);
*chain = chn;
return i;
}
static int alg_print(const X509_ALGOR *alg)
{
int pbenid, aparamtype;
const ASN1_OBJECT *aoid;
const void *aparam;
PBEPARAM *pbe = NULL;
X509_ALGOR_get0(&aoid, &aparamtype, &aparam, alg);
pbenid = OBJ_obj2nid(aoid);
BIO_printf(bio_err, "%s", OBJ_nid2ln(pbenid));
/*
* If PBE algorithm is PBES2 decode algorithm parameters
* for additional details.
*/
if (pbenid == NID_pbes2) {
PBE2PARAM *pbe2 = NULL;
int encnid;
if (aparamtype == V_ASN1_SEQUENCE)
pbe2 = ASN1_item_unpack(aparam, ASN1_ITEM_rptr(PBE2PARAM));
if (pbe2 == NULL) {
BIO_puts(bio_err, ", <unsupported parameters>");
goto done;
}
X509_ALGOR_get0(&aoid, &aparamtype, &aparam, pbe2->keyfunc);
pbenid = OBJ_obj2nid(aoid);
X509_ALGOR_get0(&aoid, NULL, NULL, pbe2->encryption);
encnid = OBJ_obj2nid(aoid);
BIO_printf(bio_err, ", %s, %s", OBJ_nid2ln(pbenid),
OBJ_nid2sn(encnid));
/* If KDF is PBKDF2 decode parameters */
if (pbenid == NID_id_pbkdf2) {
PBKDF2PARAM *kdf = NULL;
int prfnid;
if (aparamtype == V_ASN1_SEQUENCE)
kdf = ASN1_item_unpack(aparam, ASN1_ITEM_rptr(PBKDF2PARAM));
if (kdf == NULL) {
BIO_puts(bio_err, ", <unsupported parameters>");
goto done;
}
if (kdf->prf == NULL) {
prfnid = NID_hmacWithSHA1;
} else {
X509_ALGOR_get0(&aoid, NULL, NULL, kdf->prf);
prfnid = OBJ_obj2nid(aoid);
}
BIO_printf(bio_err, ", Iteration %ld, PRF %s",
ASN1_INTEGER_get(kdf->iter), OBJ_nid2sn(prfnid));
PBKDF2PARAM_free(kdf);
#ifndef OPENSSL_NO_SCRYPT
} else if (pbenid == NID_id_scrypt) {
SCRYPT_PARAMS *kdf = NULL;
if (aparamtype == V_ASN1_SEQUENCE)
kdf = ASN1_item_unpack(aparam, ASN1_ITEM_rptr(SCRYPT_PARAMS));
if (kdf == NULL) {
BIO_puts(bio_err, ", <unsupported parameters>");
goto done;
}
BIO_printf(bio_err, ", Salt length: %d, Cost(N): %ld, "
"Block size(r): %ld, Parallelism(p): %ld",
ASN1_STRING_length(kdf->salt),
ASN1_INTEGER_get(kdf->costParameter),
ASN1_INTEGER_get(kdf->blockSize),
ASN1_INTEGER_get(kdf->parallelizationParameter));
SCRYPT_PARAMS_free(kdf);
#endif
}
PBE2PARAM_free(pbe2);
} else {
if (aparamtype == V_ASN1_SEQUENCE)
pbe = ASN1_item_unpack(aparam, ASN1_ITEM_rptr(PBEPARAM));
if (pbe == NULL) {
BIO_puts(bio_err, ", <unsupported parameters>");
goto done;
}
BIO_printf(bio_err, ", Iteration %ld", ASN1_INTEGER_get(pbe->iter));
PBEPARAM_free(pbe);
}
done:
BIO_puts(bio_err, "\n");
return 1;
}
/* Load all certificates from a given file */
int cert_load(BIO *in, STACK_OF(X509) *sk)
{
int ret = 0;
X509 *cert;
while ((cert = PEM_read_bio_X509(in, NULL, NULL, NULL))) {
ret = 1;
if (!sk_X509_push(sk, cert))
return 0;
}
if (ret)
ERR_clear_error();
return ret;
}
/* Generalised x509 attribute value print */
void print_attribute(BIO *out, const ASN1_TYPE *av)
{
char *value;
switch (av->type) {
case V_ASN1_BMPSTRING:
value = OPENSSL_uni2asc(av->value.bmpstring->data,
av->value.bmpstring->length);
BIO_printf(out, "%s\n", value);
OPENSSL_free(value);
break;
case V_ASN1_UTF8STRING:
BIO_printf(out, "%s\n", av->value.utf8string->data);
break;
case V_ASN1_OCTET_STRING:
hex_prin(out, av->value.octet_string->data,
av->value.octet_string->length);
BIO_printf(out, "\n");
break;
case V_ASN1_BIT_STRING:
hex_prin(out, av->value.bit_string->data,
av->value.bit_string->length);
BIO_printf(out, "\n");
break;
default:
BIO_printf(out, "<Unsupported tag %d>\n", av->type);
break;
}
}
/* Generalised attribute print: handle PKCS#8 and bag attributes */
int print_attribs(BIO *out, const STACK_OF(X509_ATTRIBUTE) *attrlst,
const char *name)
{
X509_ATTRIBUTE *attr;
ASN1_TYPE *av;
int i, j, attr_nid;
if (!attrlst) {
BIO_printf(out, "%s: <No Attributes>\n", name);
return 1;
}
if (!sk_X509_ATTRIBUTE_num(attrlst)) {
BIO_printf(out, "%s: <Empty Attributes>\n", name);
return 1;
}
BIO_printf(out, "%s\n", name);
for (i = 0; i < sk_X509_ATTRIBUTE_num(attrlst); i++) {
ASN1_OBJECT *attr_obj;
attr = sk_X509_ATTRIBUTE_value(attrlst, i);
attr_obj = X509_ATTRIBUTE_get0_object(attr);
attr_nid = OBJ_obj2nid(attr_obj);
BIO_printf(out, " ");
if (attr_nid == NID_undef) {
i2a_ASN1_OBJECT(out, attr_obj);
BIO_printf(out, ": ");
} else {
BIO_printf(out, "%s: ", OBJ_nid2ln(attr_nid));
}
if (X509_ATTRIBUTE_count(attr)) {
for (j = 0; j < X509_ATTRIBUTE_count(attr); j++)
{
av = X509_ATTRIBUTE_get0_type(attr, j);
print_attribute(out, av);
}
} else {
BIO_printf(out, "<No Values>\n");
}
}
return 1;
}
void hex_prin(BIO *out, unsigned char *buf, int len)
{
int i;
for (i = 0; i < len; i++)
BIO_printf(out, "%02X ", buf[i]);
}
static int set_pbe(int *ppbe, const char *str)
{
if (!str)
return 0;
if (strcmp(str, "NONE") == 0) {
*ppbe = -1;
return 1;
}
*ppbe = OBJ_txt2nid(str);
if (*ppbe == NID_undef) {
BIO_printf(bio_err, "Unknown PBE algorithm %s\n", str);
return 0;
}
return 1;
}
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