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openssl/apps/pkcs12.c
Rich Salz 021410ea3f Check non-option arguments 
Make sure all commands check to see if there are any "extra" arguments
after the options, and print an error if so.

Made all error messages consistent (which is to say, minimal).

Fixes: #13527

Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org>
(Merged from https://github.com/openssl/openssl/pull/13563)
2020-12-15 11:47:17 +01:00

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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 NOKEYS 0x1
#define NOCERTS 0x2
#define INFO 0x4
#define CLCERTS 0x8
#define CACERTS 0x10
#define PASSWD_BUF_SIZE 2048
#define PKCS12_DEFAULT_PBE NID_aes_256_cbc
#define WARN_EXPORT(opt) \
BIO_printf(bio_err, "Warning: -%s option ignored with -export\n", opt);
#define WARN_NO_EXPORT(opt) \
BIO_printf(bio_err, "Warning: -%s option ignored without -export\n", opt);
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"},
{"in", OPT_IN, '<', "Input file"},
{"out", OPT_OUT, '>', "Output file"},
{"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
{"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
{"password", OPT_PASSWORD, 's', "Set PKCS#12 import/export password source"},
{"twopass", OPT_TWOPASS, '-', "Separate MAC, encryption passwords"},
{"nokeys", OPT_NOKEYS, '-', "Don't output private keys"},
{"nocerts", OPT_NOCERTS, '-', "Don't output certificates"},
{"noout", OPT_NOOUT, '-', "Don't output anything, just verify PKCS#12 input"},
{"legacy", OPT_LEGACY_ALG, '-',
#ifdef OPENSSL_NO_RC2
"Use legacy encryption algorithm 3DES_CBC for keys and certs"
#else
"Use legacy encryption: 3DES_CBC for keys, RC2_CBC for certs"
#endif
},
#ifndef OPENSSL_NO_ENGINE
{"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
#endif
OPT_PROV_OPTIONS,
OPT_R_OPTIONS,
OPT_SECTION("PKCS#12 import (parsing PKCS#12)"),
{"info", OPT_INFO, '-', "Print info about PKCS#12 structure"},
{"nomacver", OPT_NOMACVER, '-', "Don't verify integrity MAC"},
{"clcerts", OPT_CLCERTS, '-', "Only output client certificates"},
{"cacerts", OPT_CACERTS, '-', "Only output CA certificates"},
{"", OPT_CIPHER, '-', "Any supported cipher for output encryption"},
{"noenc", OPT_NOENC, '-', "Don't encrypt private keys"},
{"nodes", OPT_NODES, '-', "Don't encrypt private keys; deprecated"},
OPT_SECTION("PKCS#12 output (export)"),
{"export", OPT_EXPORT, '-', "Create PKCS12 file"},
{"inkey", OPT_INKEY, 's', "Private key, else read from -in input file"},
{"certfile", OPT_CERTFILE, '<', "Extra certificates for PKCS12 output"},
{"passcerts", OPT_PASSCERTS, 's', "Certificate file pass phrase source"},
{"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 privte key (if given)"},
{"untrusted", OPT_UNTRUSTED, '<', "Untrusted certificates for chain building"},
{"CAfile", OPT_CAFILE, '<', "PEM-format file of CA's"},
{"CApath", OPT_CAPATH, '/', "PEM-format directory 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"},
{"name", OPT_NAME, 's', "Use name as friendly name"},
{"caname", OPT_CANAME, 's',
"Use name as CA friendly name (can be repeated)"},
{"CSP", OPT_CSP, 's', "Microsoft CSP name"},
{"LMK", OPT_LMK, '-',
"Add local machine keyset attribute to private key"},
{"keyex", OPT_KEYEX, '-', "Set key type to MS key exchange"},
{"keysig", OPT_KEYSIG, '-', "Set key type to MS key signature"},
{"keypbe", OPT_KEYPBE, 's', "Private key PBE algorithm (default AES-256 CBC)"},
{"certpbe", OPT_CERTPBE, 's',
"Certificate PBE algorithm (default PBES2 with PBKDF2 and AES-256 CBC)"},
{"descert", OPT_DESCERT, '-',
"Encrypt output with 3DES (default PBES2 with PBKDF2 and AES-256 CBC)"},
{"macalg", OPT_MACALG, 's',
"Digest algorithm to use in MAC (default SHA1)"},
{"iter", OPT_ITER, 'p', "Specify the iteration count for encryption and MAC"},
{"noiter", OPT_NOITER, '-', "Don't use encryption iteration"},
{"nomaciter", OPT_NOMACITER, '-', "Don't use MAC iteration)"},
{"maciter", OPT_MACITER, '-', "Unused, kept for backwards compatibility"},
{"nomac", OPT_NOMAC, '-', "Don't generate MAC"},
{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_pkcs12 = 0, options = 0, chain = 0, twopass = 0, keytype = 0, use_legacy = 0;
int iter = PKCS12_DEFAULT_ITER, maciter = PKCS12_DEFAULT_ITER;
int cert_pbe = PKCS12_DEFAULT_PBE;
int key_pbe = PKCS12_DEFAULT_PBE;
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 char *enc_flag = NULL;
const EVP_CIPHER *const default_enc = EVP_aes_256_cbc();
const EVP_CIPHER *enc = default_enc;
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_pkcs12 = 1;
break;
case OPT_CIPHER:
enc_flag = opt_unknown();
if (!opt_cipher(enc_flag, &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:
cert_pbe = -1;
maciter = -1;
break;
case OPT_MACALG:
macalg = opt_arg();
break;
case OPT_NODES:
case OPT_NOENC:
enc_flag = opt_flag() + 1;
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;
}
}
/* No extra arguments. */
argc = opt_num_rest();
if (argc != 0)
goto opthelp;
if (export_pkcs12) {
if ((options & INFO) != 0)
WARN_EXPORT("info");
if (macver == 0)
WARN_EXPORT("nomacver");
if ((options & CLCERTS) != 0)
WARN_EXPORT("clcerts");
if ((options & CACERTS) != 0)
WARN_EXPORT("cacerts");
if (enc != default_enc)
BIO_printf(bio_err,
"Warning: output encryption option -%s ignored with -export\n", enc_flag);
} else {
if (keyname != NULL)
WARN_NO_EXPORT("inkey");
if (certfile != NULL)
WARN_NO_EXPORT("certfile");
if (passcertsarg != NULL)
WARN_NO_EXPORT("passcerts");
if (chain)
WARN_NO_EXPORT("chain");
if (untrusted != NULL)
WARN_NO_EXPORT("untrusted");
if (CAfile != NULL)
WARN_NO_EXPORT("CAfile");
if (CApath != NULL)
WARN_NO_EXPORT("CApath");
if (CAstore != NULL)
WARN_NO_EXPORT("CAstore");
if (noCAfile)
WARN_NO_EXPORT("no-CAfile");
if (noCApath)
WARN_NO_EXPORT("no-CApath");
if (noCAstore)
WARN_NO_EXPORT("no-CAstore");
if (name != NULL)
WARN_NO_EXPORT("name");
if (canames != NULL)
WARN_NO_EXPORT("caname");
if (csp_name != NULL)
WARN_NO_EXPORT("CSP");
if (add_lmk)
WARN_NO_EXPORT("LMK");
if (keytype == KEY_EX)
WARN_NO_EXPORT("keyex");
if (keytype == KEY_SIG)
WARN_NO_EXPORT("keysig");
if (key_pbe != PKCS12_DEFAULT_PBE)
WARN_NO_EXPORT("keypbe");
if (cert_pbe != PKCS12_DEFAULT_PBE && cert_pbe != -1)
WARN_NO_EXPORT("certpbe and -descert");
if (macalg != NULL)
WARN_NO_EXPORT("macalg");
if (iter != PKCS12_DEFAULT_ITER)
WARN_NO_EXPORT("iter and -noiter");
if (maciter == 1)
WARN_NO_EXPORT("nomaciter");
if (cert_pbe == -1 && maciter == -1)
WARN_NO_EXPORT("nomac");
}
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 == PKCS12_DEFAULT_PBE) {
/* Adapt default algorithm */
#ifndef OPENSSL_NO_RC2
cert_pbe = NID_pbe_WithSHA1And40BitRC2_CBC;
#else
cert_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
#endif
}
if (key_pbe == PKCS12_DEFAULT_PBE)
key_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
if (enc == default_enc)
enc = EVP_des_ede3_cbc();
}
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_pkcs12)
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_pkcs12)
cpass = passout;
else
cpass = passin;
}
if (cpass != NULL) {
mpass = cpass;
noprompt = 1;
if (twopass) {
if (export_pkcs12)
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_pkcs12)) {
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_pkcs12) {
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 -noout or -nocerts and -nokeys\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) {
int add_certs;
/* Remove from chain2 the first (end entity) certificate */
X509_free(sk_X509_shift(chain2));
/* Add the remaining certs (except for duplicates) */
add_certs = X509_add_certs(certs, chain2, X509_ADD_FLAG_UP_REF
| X509_ADD_FLAG_NO_DUP);
sk_X509_pop_free(chain2, X509_free);
if (!add_certs)
goto export_end;
} 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 && !(enc == NULL && maciter == -1)) {
/* 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) {
BIO_printf(bio_err, "Error creating PKCS12 structure for %s\n",
outfile);
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);
ERR_print_errors(bio_err);
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_ex(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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