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apps.c
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/*
* Copyright 1995-2018 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
*/
#if !defined(_POSIX_C_SOURCE) && defined(OPENSSL_SYS_VMS)
/*
* On VMS, you need to define this to get the declaration of fileno(). The
* value 2 is to make sure no function defined in POSIX-2 is left undefined.
*/
# define _POSIX_C_SOURCE 2
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#ifndef OPENSSL_NO_POSIX_IO
# include <sys/stat.h>
# include <fcntl.h>
#endif
#include <ctype.h>
#include <errno.h>
#include <openssl/err.h>
#include <openssl/x509.h>
#include <openssl/x509v3.h>
#include <openssl/pem.h>
#include <openssl/pkcs12.h>
#include <openssl/ui.h>
#include <openssl/safestack.h>
#ifndef OPENSSL_NO_ENGINE
# include <openssl/engine.h>
#endif
#ifndef OPENSSL_NO_RSA
# include <openssl/rsa.h>
#endif
#include <openssl/bn.h>
#include <openssl/ssl.h>
#include "s_apps.h"
#include "apps.h"
#ifdef _WIN32
static int WIN32_rename(const char *from, const char *to);
# define rename(from,to) WIN32_rename((from),(to))
#endif
#define PASS_SOURCE_SIZE_MAX 4
typedef struct {
const char *name;
unsigned long flag;
unsigned long mask;
} NAME_EX_TBL;
static int set_table_opts(unsigned long *flags, const char *arg,
const NAME_EX_TBL * in_tbl);
static int set_multi_opts(unsigned long *flags, const char *arg,
const NAME_EX_TBL * in_tbl);
int app_init(long mesgwin);
int chopup_args(ARGS *arg, char *buf)
{
int quoted;
char c = '\0', *p = NULL;
arg->argc = 0;
if (arg->size == 0) {
arg->size = 20;
arg->argv = app_malloc(sizeof(*arg->argv) * arg->size, "argv space");
}
for (p = buf;;) {
/* Skip whitespace. */
while (*p && isspace(_UC(*p)))
p++;
if (!*p)
break;
/* The start of something good :-) */
if (arg->argc >= arg->size) {
char **tmp;
arg->size += 20;
tmp = OPENSSL_realloc(arg->argv, sizeof(*arg->argv) * arg->size);
if (tmp == NULL)
return 0;
arg->argv = tmp;
}
quoted = *p == '\'' || *p == '"';
if (quoted)
c = *p++;
arg->argv[arg->argc++] = p;
/* now look for the end of this */
if (quoted) {
while (*p && *p != c)
p++;
*p++ = '\0';
} else {
while (*p && !isspace(_UC(*p)))
p++;
if (*p)
*p++ = '\0';
}
}
arg->argv[arg->argc] = NULL;
return 1;
}
#ifndef APP_INIT
int app_init(long mesgwin)
{
return 1;
}
#endif
int ctx_set_verify_locations(SSL_CTX *ctx, const char *CAfile,
const char *CApath, int noCAfile, int noCApath)
{
if (CAfile == NULL && CApath == NULL) {
if (!noCAfile && SSL_CTX_set_default_verify_file(ctx) <= 0)
return 0;
if (!noCApath && SSL_CTX_set_default_verify_dir(ctx) <= 0)
return 0;
return 1;
}
return SSL_CTX_load_verify_locations(ctx, CAfile, CApath);
}
#ifndef OPENSSL_NO_CT
int ctx_set_ctlog_list_file(SSL_CTX *ctx, const char *path)
{
if (path == NULL)
return SSL_CTX_set_default_ctlog_list_file(ctx);
return SSL_CTX_set_ctlog_list_file(ctx, path);
}
#endif
static unsigned long nmflag = 0;
static char nmflag_set = 0;
int set_nameopt(const char *arg)
{
int ret = set_name_ex(&nmflag, arg);
if (ret)
nmflag_set = 1;
return ret;
}
unsigned long get_nameopt(void)
{
return (nmflag_set) ? nmflag : XN_FLAG_ONELINE;
}
int dump_cert_text(BIO *out, X509 *x)
{
print_name(out, "subject=", X509_get_subject_name(x), get_nameopt());
BIO_puts(out, "\n");
print_name(out, "issuer=", X509_get_issuer_name(x), get_nameopt());
BIO_puts(out, "\n");
return 0;
}
int wrap_password_callback(char *buf, int bufsiz, int verify, void *userdata)
{
return password_callback(buf, bufsiz, verify, (PW_CB_DATA *)userdata);
}
static char *app_get_pass(const char *arg, int keepbio);
int app_passwd(const char *arg1, const char *arg2, char **pass1, char **pass2)
{
int same = arg1 != NULL && arg2 != NULL && strcmp(arg1, arg2) == 0;
if (arg1 != NULL) {
*pass1 = app_get_pass(arg1, same);
if (*pass1 == NULL)
return 0;
} else if (pass1 != NULL) {
*pass1 = NULL;
}
if (arg2 != NULL) {
*pass2 = app_get_pass(arg2, same ? 2 : 0);
if (*pass2 == NULL)
return 0;
} else if (pass2 != NULL) {
*pass2 = NULL;
}
return 1;
}
static char *app_get_pass(const char *arg, int keepbio)
{
static BIO *pwdbio = NULL;
char *tmp, tpass[APP_PASS_LEN];
int i;
/* PASS_SOURCE_SIZE_MAX = max number of chars before ':' in below strings */
if (strncmp(arg, "pass:", 5) == 0)
return OPENSSL_strdup(arg + 5);
if (strncmp(arg, "env:", 4) == 0) {
tmp = getenv(arg + 4);
if (tmp == NULL) {
BIO_printf(bio_err, "No environment variable %s\n", arg + 4);
return NULL;
}
return OPENSSL_strdup(tmp);
}
if (!keepbio || pwdbio == NULL) {
if (strncmp(arg, "file:", 5) == 0) {
pwdbio = BIO_new_file(arg + 5, "r");
if (pwdbio == NULL) {
BIO_printf(bio_err, "Can't open file %s\n", arg + 5);
return NULL;
}
#if !defined(_WIN32)
/*
* Under _WIN32, which covers even Win64 and CE, file
* descriptors referenced by BIO_s_fd are not inherited
* by child process and therefore below is not an option.
* It could have been an option if bss_fd.c was operating
* on real Windows descriptors, such as those obtained
* with CreateFile.
*/
} else if (strncmp(arg, "fd:", 3) == 0) {
BIO *btmp;
i = atoi(arg + 3);
if (i >= 0)
pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
if ((i < 0) || !pwdbio) {
BIO_printf(bio_err, "Can't access file descriptor %s\n", arg + 3);
return NULL;
}
/*
* Can't do BIO_gets on an fd BIO so add a buffering BIO
*/
btmp = BIO_new(BIO_f_buffer());
pwdbio = BIO_push(btmp, pwdbio);
#endif
} else if (strcmp(arg, "stdin") == 0) {
pwdbio = dup_bio_in(FORMAT_TEXT);
if (!pwdbio) {
BIO_printf(bio_err, "Can't open BIO for stdin\n");
return NULL;
}
} else {
/* argument syntax error; do not reveal too much about arg */
tmp = strchr(arg, ':');
if (tmp == NULL || tmp - arg > PASS_SOURCE_SIZE_MAX)
BIO_printf(bio_err,
"Invalid password argument, missing ':' within the first %d chars\n",
PASS_SOURCE_SIZE_MAX + 1);
else
BIO_printf(bio_err,
"Invalid password argument, starting with \"%.*s\"\n",
(int)(tmp - arg + 1), arg);
return NULL;
}
}
i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
if (keepbio != 1) {
BIO_free_all(pwdbio);
pwdbio = NULL;
}
if (i <= 0) {
BIO_printf(bio_err, "Error reading password from BIO\n");
return NULL;
}
tmp = strchr(tpass, '\n');
if (tmp != NULL)
*tmp = 0;
return OPENSSL_strdup(tpass);
}
CONF *app_load_config_bio(BIO *in, const char *filename)
{
long errorline = -1;
CONF *conf;
int i;
conf = NCONF_new(NULL);
i = NCONF_load_bio(conf, in, &errorline);
if (i > 0)
return conf;
if (errorline <= 0) {
BIO_printf(bio_err, "%s: Can't load ", opt_getprog());
} else {
BIO_printf(bio_err, "%s: Error on line %ld of ", opt_getprog(),
errorline);
}
if (filename != NULL)
BIO_printf(bio_err, "config file \"%s\"\n", filename);
else
BIO_printf(bio_err, "config input");
NCONF_free(conf);
return NULL;
}
CONF *app_load_config(const char *filename)
{
BIO *in;
CONF *conf;
in = bio_open_default(filename, 'r', FORMAT_TEXT);
if (in == NULL)
return NULL;
conf = app_load_config_bio(in, filename);
BIO_free(in);
return conf;
}
CONF *app_load_config_quiet(const char *filename)
{
BIO *in;
CONF *conf;
in = bio_open_default_quiet(filename, 'r', FORMAT_TEXT);
if (in == NULL)
return NULL;
conf = app_load_config_bio(in, filename);
BIO_free(in);
return conf;
}
int app_load_modules(const CONF *config)
{
CONF *to_free = NULL;
if (config == NULL)
config = to_free = app_load_config_quiet(default_config_file);
if (config == NULL)
return 1;
if (CONF_modules_load(config, NULL, 0) <= 0) {
BIO_printf(bio_err, "Error configuring OpenSSL modules\n");
ERR_print_errors(bio_err);
NCONF_free(to_free);
return 0;
}
NCONF_free(to_free);
return 1;
}
int add_oid_section(CONF *conf)
{
char *p;
STACK_OF(CONF_VALUE) *sktmp;
CONF_VALUE *cnf;
int i;
if ((p = NCONF_get_string(conf, NULL, "oid_section")) == NULL) {
ERR_clear_error();
return 1;
}
if ((sktmp = NCONF_get_section(conf, p)) == NULL) {
BIO_printf(bio_err, "problem loading oid section %s\n", p);
return 0;
}
for (i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
cnf = sk_CONF_VALUE_value(sktmp, i);
if (OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
BIO_printf(bio_err, "problem creating object %s=%s\n",
cnf->name, cnf->value);
return 0;
}
}
return 1;
}
static int load_pkcs12(BIO *in, const char *desc,
pem_password_cb *pem_cb, PW_CB_DATA *cb_data,
EVP_PKEY **pkey, X509 **cert, STACK_OF(X509) **ca)
{
const char *pass;
char tpass[PEM_BUFSIZE];
int len, ret = 0;
PKCS12 *p12;
p12 = d2i_PKCS12_bio(in, NULL);
if (p12 == NULL) {
BIO_printf(bio_err, "Error loading PKCS12 file for %s\n", desc);
goto die;
}
/* See if an empty password will do */
if (PKCS12_verify_mac(p12, "", 0) || PKCS12_verify_mac(p12, NULL, 0)) {
pass = "";
} else {
if (!pem_cb)
pem_cb = (pem_password_cb *)password_callback;
len = pem_cb(tpass, PEM_BUFSIZE, 0, cb_data);
if (len < 0) {
BIO_printf(bio_err, "Passphrase callback error for %s\n", desc);
goto die;
}
if (len < PEM_BUFSIZE)
tpass[len] = 0;
if (!PKCS12_verify_mac(p12, tpass, len)) {
BIO_printf(bio_err,
"Mac verify error (wrong password?) in PKCS12 file for %s\n",
desc);
goto die;
}
pass = tpass;
}
ret = PKCS12_parse(p12, pass, pkey, cert, ca);
die:
PKCS12_free(p12);
return ret;
}
#if !defined(OPENSSL_NO_OCSP) && !defined(OPENSSL_NO_SOCK)
static int load_cert_crl_http(const char *url, X509 **pcert, X509_CRL **pcrl)
{
char *host = NULL, *port = NULL, *path = NULL;
BIO *bio = NULL;
OCSP_REQ_CTX *rctx = NULL;
int use_ssl, rv = 0;
if (!OCSP_parse_url(url, &host, &port, &path, &use_ssl))
goto err;
if (use_ssl) {
BIO_puts(bio_err, "https not supported\n");
goto err;
}
bio = BIO_new_connect(host);
if (!bio || !BIO_set_conn_port(bio, port))
goto err;
rctx = OCSP_REQ_CTX_new(bio, 1024);
if (rctx == NULL)
goto err;
if (!OCSP_REQ_CTX_http(rctx, "GET", path))
goto err;
if (!OCSP_REQ_CTX_add1_header(rctx, "Host", host))
goto err;
if (pcert) {
do {
rv = X509_http_nbio(rctx, pcert);
} while (rv == -1);
} else {
do {
rv = X509_CRL_http_nbio(rctx, pcrl);
} while (rv == -1);
}
err:
OPENSSL_free(host);
OPENSSL_free(path);
OPENSSL_free(port);
BIO_free_all(bio);
OCSP_REQ_CTX_free(rctx);
if (rv != 1) {
BIO_printf(bio_err, "Error loading %s from %s\n",
pcert ? "certificate" : "CRL", url);
ERR_print_errors(bio_err);
}
return rv;
}
#endif
X509 *load_cert(const char *file, int format, const char *cert_descrip)
{
X509 *x = NULL;
BIO *cert;
if (format == FORMAT_HTTP) {
#if !defined(OPENSSL_NO_OCSP) && !defined(OPENSSL_NO_SOCK)
load_cert_crl_http(file, &x, NULL);
#endif
return x;
}
if (file == NULL) {
unbuffer(stdin);
cert = dup_bio_in(format);
} else {
cert = bio_open_default(file, 'r', format);
}
if (cert == NULL)
goto end;
if (format == FORMAT_ASN1) {
x = d2i_X509_bio(cert, NULL);
} else if (format == FORMAT_PEM) {
x = PEM_read_bio_X509_AUX(cert, NULL,
(pem_password_cb *)password_callback, NULL);
} else if (format == FORMAT_PKCS12) {
if (!load_pkcs12(cert, cert_descrip, NULL, NULL, NULL, &x, NULL))
goto end;
} else {
BIO_printf(bio_err, "bad input format specified for %s\n", cert_descrip);
goto end;
}
end:
if (x == NULL) {
BIO_printf(bio_err, "unable to load certificate\n");
ERR_print_errors(bio_err);
}
BIO_free(cert);
return x;
}
X509_CRL *load_crl(const char *infile, int format)
{
X509_CRL *x = NULL;
BIO *in = NULL;
if (format == FORMAT_HTTP) {
#if !defined(OPENSSL_NO_OCSP) && !defined(OPENSSL_NO_SOCK)
load_cert_crl_http(infile, NULL, &x);
#endif
return x;
}
in = bio_open_default(infile, 'r', format);
if (in == NULL)
goto end;
if (format == FORMAT_ASN1) {
x = d2i_X509_CRL_bio(in, NULL);
} else if (format == FORMAT_PEM) {
x = PEM_read_bio_X509_CRL(in, NULL, NULL, NULL);
} else {
BIO_printf(bio_err, "bad input format specified for input crl\n");
goto end;
}
if (x == NULL) {
BIO_printf(bio_err, "unable to load CRL\n");
ERR_print_errors(bio_err);
goto end;
}
end:
BIO_free(in);
return x;
}
EVP_PKEY *load_key(const char *file, int format, int maybe_stdin,
const char *pass, ENGINE *e, const char *key_descrip)
{
BIO *key = NULL;
EVP_PKEY *pkey = NULL;
PW_CB_DATA cb_data;
cb_data.password = pass;
cb_data.prompt_info = file;
if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE)) {
BIO_printf(bio_err, "no keyfile specified\n");
goto end;
}
if (format == FORMAT_ENGINE) {
if (e == NULL) {
BIO_printf(bio_err, "no engine specified\n");
} else {
#ifndef OPENSSL_NO_ENGINE
if (ENGINE_init(e)) {
pkey = ENGINE_load_private_key(e, file,
(UI_METHOD *)get_ui_method(),
&cb_data);
ENGINE_finish(e);
}
if (pkey == NULL) {
BIO_printf(bio_err, "cannot load %s from engine\n", key_descrip);
ERR_print_errors(bio_err);
}
#else
BIO_printf(bio_err, "engines not supported\n");
#endif
}
goto end;
}
if (file == NULL && maybe_stdin) {
unbuffer(stdin);
key = dup_bio_in(format);
} else {
key = bio_open_default(file, 'r', format);
}
if (key == NULL)
goto end;
if (format == FORMAT_ASN1) {
pkey = d2i_PrivateKey_bio(key, NULL);
} else if (format == FORMAT_PEM) {
pkey = PEM_read_bio_PrivateKey(key, NULL, wrap_password_callback, &cb_data);
} else if (format == FORMAT_PKCS12) {
if (!load_pkcs12(key, key_descrip, wrap_password_callback, &cb_data,
&pkey, NULL, NULL))
goto end;
#if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA) && !defined (OPENSSL_NO_RC4)
} else if (format == FORMAT_MSBLOB) {
pkey = b2i_PrivateKey_bio(key);
} else if (format == FORMAT_PVK) {
pkey = b2i_PVK_bio(key, wrap_password_callback, &cb_data);
#endif
} else {
BIO_printf(bio_err, "bad input format specified for key file\n");
goto end;
}
end:
BIO_free(key);
if (pkey == NULL) {
BIO_printf(bio_err, "unable to load %s\n", key_descrip);
ERR_print_errors(bio_err);
}
return pkey;
}
EVP_PKEY *load_pubkey(const char *file, int format, int maybe_stdin,
const char *pass, ENGINE *e, const char *key_descrip)
{
BIO *key = NULL;
EVP_PKEY *pkey = NULL;
PW_CB_DATA cb_data;
cb_data.password = pass;
cb_data.prompt_info = file;
if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE)) {
BIO_printf(bio_err, "no keyfile specified\n");
goto end;
}
if (format == FORMAT_ENGINE) {
if (e == NULL) {
BIO_printf(bio_err, "no engine specified\n");
} else {
#ifndef OPENSSL_NO_ENGINE
pkey = ENGINE_load_public_key(e, file, (UI_METHOD *)get_ui_method(),
&cb_data);
if (pkey == NULL) {
BIO_printf(bio_err, "cannot load %s from engine\n", key_descrip);
ERR_print_errors(bio_err);
}
#else
BIO_printf(bio_err, "engines not supported\n");
#endif
}
goto end;
}
if (file == NULL && maybe_stdin) {
unbuffer(stdin);
key = dup_bio_in(format);
} else {
key = bio_open_default(file, 'r', format);
}
if (key == NULL)
goto end;
if (format == FORMAT_ASN1) {
pkey = d2i_PUBKEY_bio(key, NULL);
} else if (format == FORMAT_ASN1RSA) {
#ifndef OPENSSL_NO_RSA
RSA *rsa;
rsa = d2i_RSAPublicKey_bio(key, NULL);
if (rsa) {
pkey = EVP_PKEY_new();
if (pkey != NULL)
EVP_PKEY_set1_RSA(pkey, rsa);
RSA_free(rsa);
} else
#else
BIO_printf(bio_err, "RSA keys not supported\n");
#endif
pkey = NULL;
} else if (format == FORMAT_PEMRSA) {
#ifndef OPENSSL_NO_RSA
RSA *rsa;
rsa = PEM_read_bio_RSAPublicKey(key, NULL,
(pem_password_cb *)password_callback,
&cb_data);
if (rsa != NULL) {
pkey = EVP_PKEY_new();
if (pkey != NULL)
EVP_PKEY_set1_RSA(pkey, rsa);
RSA_free(rsa);
} else
#else
BIO_printf(bio_err, "RSA keys not supported\n");
#endif
pkey = NULL;
} else if (format == FORMAT_PEM) {
pkey = PEM_read_bio_PUBKEY(key, NULL,
(pem_password_cb *)password_callback,
&cb_data);
#if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA)
} else if (format == FORMAT_MSBLOB) {
pkey = b2i_PublicKey_bio(key);
#endif
}
end:
BIO_free(key);
if (pkey == NULL)
BIO_printf(bio_err, "unable to load %s\n", key_descrip);
return pkey;
}
static int load_certs_crls(const char *file, int format,
const char *pass, const char *desc,
STACK_OF(X509) **pcerts,
STACK_OF(X509_CRL) **pcrls)
{
int i;
BIO *bio;
STACK_OF(X509_INFO) *xis = NULL;
X509_INFO *xi;
PW_CB_DATA cb_data;
int rv = 0;
cb_data.password = pass;
cb_data.prompt_info = file;
if (format != FORMAT_PEM) {
BIO_printf(bio_err, "bad input format specified for %s\n", desc);
return 0;
}
bio = bio_open_default(file, 'r', FORMAT_PEM);
if (bio == NULL)
return 0;
xis = PEM_X509_INFO_read_bio(bio, NULL,
(pem_password_cb *)password_callback,
&cb_data);
BIO_free(bio);
if (pcerts != NULL && *pcerts == NULL) {
*pcerts = sk_X509_new_null();
if (*pcerts == NULL)
goto end;
}
if (pcrls != NULL && *pcrls == NULL) {
*pcrls = sk_X509_CRL_new_null();
if (*pcrls == NULL)
goto end;
}
for (i = 0; i < sk_X509_INFO_num(xis); i++) {
xi = sk_X509_INFO_value(xis, i);
if (xi->x509 != NULL && pcerts != NULL) {
if (!sk_X509_push(*pcerts, xi->x509))
goto end;
xi->x509 = NULL;
}
if (xi->crl != NULL && pcrls != NULL) {
if (!sk_X509_CRL_push(*pcrls, xi->crl))
goto end;
xi->crl = NULL;
}
}
if (pcerts != NULL && sk_X509_num(*pcerts) > 0)
rv = 1;
if (pcrls != NULL && sk_X509_CRL_num(*pcrls) > 0)
rv = 1;
end:
sk_X509_INFO_pop_free(xis, X509_INFO_free);
if (rv == 0) {
if (pcerts != NULL) {
sk_X509_pop_free(*pcerts, X509_free);
*pcerts = NULL;
}
if (pcrls != NULL) {
sk_X509_CRL_pop_free(*pcrls, X509_CRL_free);
*pcrls = NULL;
}
BIO_printf(bio_err, "unable to load %s\n",
pcerts ? "certificates" : "CRLs");
ERR_print_errors(bio_err);
}
return rv;
}
void* app_malloc(int sz, const char *what)
{
void *vp = OPENSSL_malloc(sz);
if (vp == NULL) {
BIO_printf(bio_err, "%s: Could not allocate %d bytes for %s\n",
opt_getprog(), sz, what);
ERR_print_errors(bio_err);
exit(1);
}
return vp;
}
/*
* Initialize or extend, if *certs != NULL, a certificate stack.
*/
int load_certs(const char *file, STACK_OF(X509) **certs, int format,
const char *pass, const char *desc)
{
return load_certs_crls(file, format, pass, desc, certs, NULL);
}
/*
* Initialize or extend, if *crls != NULL, a certificate stack.
*/
int load_crls(const char *file, STACK_OF(X509_CRL) **crls, int format,
const char *pass, const char *desc)
{
return load_certs_crls(file, format, pass, desc, NULL, crls);
}
#define X509V3_EXT_UNKNOWN_MASK (0xfL << 16)
/* Return error for unknown extensions */
#define X509V3_EXT_DEFAULT 0
/* Print error for unknown extensions */
#define X509V3_EXT_ERROR_UNKNOWN (1L << 16)
/* ASN1 parse unknown extensions */
#define X509V3_EXT_PARSE_UNKNOWN (2L << 16)
/* BIO_dump unknown extensions */
#define X509V3_EXT_DUMP_UNKNOWN (3L << 16)
#define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
int set_cert_ex(unsigned long *flags, const char *arg)
{
static const NAME_EX_TBL cert_tbl[] = {
{"compatible", X509_FLAG_COMPAT, 0xffffffffl},
{"ca_default", X509_FLAG_CA, 0xffffffffl},
{"no_header", X509_FLAG_NO_HEADER, 0},
{"no_version", X509_FLAG_NO_VERSION, 0},
{"no_serial", X509_FLAG_NO_SERIAL, 0},
{"no_signame", X509_FLAG_NO_SIGNAME, 0},
{"no_validity", X509_FLAG_NO_VALIDITY, 0},
{"no_subject", X509_FLAG_NO_SUBJECT, 0},
{"no_issuer", X509_FLAG_NO_ISSUER, 0},
{"no_pubkey", X509_FLAG_NO_PUBKEY, 0},
{"no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
{"no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
{"no_aux", X509_FLAG_NO_AUX, 0},
{"no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
{"ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
{"ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
{"ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
{"ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
{NULL, 0, 0}
};
return set_multi_opts(flags, arg, cert_tbl);
}
int set_name_ex(unsigned long *flags, const char *arg)
{
static const NAME_EX_TBL ex_tbl[] = {
{"esc_2253", ASN1_STRFLGS_ESC_2253, 0},
{"esc_2254", ASN1_STRFLGS_ESC_2254, 0},
{"esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
{"esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
{"use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
{"utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
{"ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
{"show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
{"dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
{"dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
{"dump_der", ASN1_STRFLGS_DUMP_DER, 0},
{"compat", XN_FLAG_COMPAT, 0xffffffffL},
{"sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
{"sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
{"sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
{"sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
{"dn_rev", XN_FLAG_DN_REV, 0},
{"nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
{"sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
{"lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
{"align", XN_FLAG_FN_ALIGN, 0},
{"oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
{"space_eq", XN_FLAG_SPC_EQ, 0},
{"dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
{"RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
{"oneline", XN_FLAG_ONELINE, 0xffffffffL},
{"multiline", XN_FLAG_MULTILINE, 0xffffffffL},
{"ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
{NULL, 0, 0}
};
if (set_multi_opts(flags, arg, ex_tbl) == 0)
return 0;
if (*flags != XN_FLAG_COMPAT
&& (*flags & XN_FLAG_SEP_MASK) == 0)
*flags |= XN_FLAG_SEP_CPLUS_SPC;
return 1;
}
int set_ext_copy(int *copy_type, const char *arg)
{
if (strcasecmp(arg, "none") == 0)
*copy_type = EXT_COPY_NONE;
else if (strcasecmp(arg, "copy") == 0)
*copy_type = EXT_COPY_ADD;
else if (strcasecmp(arg, "copyall") == 0)
*copy_type = EXT_COPY_ALL;
else
return 0;
return 1;
}
int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
{
STACK_OF(X509_EXTENSION) *exts = NULL;
X509_EXTENSION *ext, *tmpext;
ASN1_OBJECT *obj;
int i, idx, ret = 0;
if (!x || !req || (copy_type == EXT_COPY_NONE))
return 1;
exts = X509_REQ_get_extensions(req);
for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
ext = sk_X509_EXTENSION_value(exts, i);
obj = X509_EXTENSION_get_object(ext);
idx = X509_get_ext_by_OBJ(x, obj, -1);
/* Does extension exist? */
if (idx != -1) {
/* If normal copy don't override existing extension */
if (copy_type == EXT_COPY_ADD)
continue;
/* Delete all extensions of same type */
do {
tmpext = X509_get_ext(x, idx);
X509_delete_ext(x, idx);
X509_EXTENSION_free(tmpext);
idx = X509_get_ext_by_OBJ(x, obj, -1);
} while (idx != -1);
}
if (!X509_add_ext(x, ext, -1))
goto end;
}
ret = 1;
end:
sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
return ret;
}
static int set_multi_opts(unsigned long *flags, const char *arg,
const NAME_EX_TBL * in_tbl)
{
STACK_OF(CONF_VALUE) *vals;
CONF_VALUE *val;
int i, ret = 1;
if (!arg)
return 0;
vals = X509V3_parse_list(arg);
for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
val = sk_CONF_VALUE_value(vals, i);
if (!set_table_opts(flags, val->name, in_tbl))
ret = 0;
}
sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
return ret;
}
static int set_table_opts(unsigned long *flags, const char *arg,
const NAME_EX_TBL * in_tbl)
{
char c;
const NAME_EX_TBL *ptbl;
c = arg[0];
if (c == '-') {
c = 0;
arg++;
} else if (c == '+') {
c = 1;
arg++;
} else {
c = 1;
}
for (ptbl = in_tbl; ptbl->name; ptbl++) {
if (strcasecmp(arg, ptbl->name) == 0) {
*flags &= ~ptbl->mask;
if (c)
*flags |= ptbl->flag;
else
*flags &= ~ptbl->flag;
return 1;
}
}
return 0;
}