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cloud-agent/cms/bin/apps.c
Reyk Floeter 1c7148f25b Initial commit
2017-06-29 11:40:48 +02:00

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/* apps/apps.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* "This product includes cryptographic software written by
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
/* ====================================================================
* Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* openssl-core@openssl.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
*/
#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>
#include <ctype.h>
#include <errno.h>
#include <assert.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>
#ifndef OPENSSL_NO_JPAKE
# include <openssl/jpake.h>
#endif
#define NON_MAIN
#include "libressl_apps.h"
#undef NON_MAIN
#ifdef _WIN32
static int WIN32_rename(const char *from, const char *to);
# define rename(from,to) WIN32_rename((from),(to))
#endif
typedef struct {
const char *name;
unsigned long flag;
unsigned long mask;
} NAME_EX_TBL;
static UI_METHOD *ui_method = NULL;
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);
#if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
/* Looks like this stuff is worth moving into separate function */
static EVP_PKEY *load_netscape_key(BIO *err, BIO *key, const char *file,
const char *key_descrip, int format);
#endif
int app_init(long mesgwin);
#ifdef undef /* never finished - probably never will be
* :-) */
int args_from_file(char *file, int *argc, char **argv[])
{
FILE *fp;
int num, i;
unsigned int len;
static char *buf = NULL;
static char **arg = NULL;
char *p;
fp = fopen(file, "r");
if (fp == NULL)
return (0);
if (fseek(fp, 0, SEEK_END) == 0)
len = ftell(fp), rewind(fp);
else
len = -1;
if (len <= 0) {
fclose(fp);
return (0);
}
*argc = 0;
*argv = NULL;
if (buf != NULL)
OPENSSL_free(buf);
buf = (char *)OPENSSL_malloc(len + 1);
if (buf == NULL)
return (0);
len = fread(buf, 1, len, fp);
if (len <= 1)
return (0);
buf[len] = '\0';
i = 0;
for (p = buf; *p; p++)
if (*p == '\n')
i++;
if (arg != NULL)
OPENSSL_free(arg);
arg = (char **)OPENSSL_malloc(sizeof(char *) * (i * 2));
if (arg == NULL)
return 0;
*argv = arg;
num = 0;
p = buf;
for (;;) {
if (!*p)
break;
if (*p == '#') { /* comment line */
while (*p && (*p != '\n'))
p++;
continue;
}
/* else we have a line */
*(arg++) = p;
num++;
while (*p && ((*p != ' ') && (*p != '\t') && (*p != '\n')))
p++;
if (!*p)
break;
if (*p == '\n') {
*(p++) = '\0';
continue;
}
/* else it is a tab or space */
p++;
while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
p++;
if (!*p)
break;
if (*p == '\n') {
p++;
continue;
}
*(arg++) = p++;
num++;
while (*p && (*p != '\n'))
p++;
if (!*p)
break;
/* else *p == '\n' */
*(p++) = '\0';
}
*argc = num;
return (1);
}
#endif
int str2fmt(char *s)
{
if (s == NULL)
return FORMAT_UNDEF;
if ((*s == 'D') || (*s == 'd'))
return (FORMAT_ASN1);
else if ((*s == 'T') || (*s == 't'))
return (FORMAT_TEXT);
else if ((*s == 'N') || (*s == 'n'))
return (FORMAT_NETSCAPE);
else if ((*s == 'S') || (*s == 's'))
return (FORMAT_SMIME);
else if ((*s == 'M') || (*s == 'm'))
return (FORMAT_MSBLOB);
else if ((*s == '1')
|| (strcmp(s, "PKCS12") == 0) || (strcmp(s, "pkcs12") == 0)
|| (strcmp(s, "P12") == 0) || (strcmp(s, "p12") == 0))
return (FORMAT_PKCS12);
else if ((*s == 'E') || (*s == 'e'))
return (FORMAT_ENGINE);
else if ((*s == 'H') || (*s == 'h'))
return FORMAT_HTTP;
else if ((*s == 'P') || (*s == 'p')) {
if (s[1] == 'V' || s[1] == 'v')
return FORMAT_PVK;
else
return (FORMAT_PEM);
} else
return (FORMAT_UNDEF);
}
#if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16) || defined(OPENSSL_SYS_NETWARE)
void program_name(char *in, char *out, int size)
{
int i, n;
char *p = NULL;
n = strlen(in);
/* find the last '/', '\' or ':' */
for (i = n - 1; i > 0; i--) {
if ((in[i] == '/') || (in[i] == '\\') || (in[i] == ':')) {
p = &(in[i + 1]);
break;
}
}
if (p == NULL)
p = in;
n = strlen(p);
# if defined(OPENSSL_SYS_NETWARE)
/* strip off trailing .nlm if present. */
if ((n > 4) && (p[n - 4] == '.') &&
((p[n - 3] == 'n') || (p[n - 3] == 'N')) &&
((p[n - 2] == 'l') || (p[n - 2] == 'L')) &&
((p[n - 1] == 'm') || (p[n - 1] == 'M')))
n -= 4;
# else
/* strip off trailing .exe if present. */
if ((n > 4) && (p[n - 4] == '.') &&
((p[n - 3] == 'e') || (p[n - 3] == 'E')) &&
((p[n - 2] == 'x') || (p[n - 2] == 'X')) &&
((p[n - 1] == 'e') || (p[n - 1] == 'E')))
n -= 4;
# endif
if (n > size - 1)
n = size - 1;
for (i = 0; i < n; i++) {
if ((p[i] >= 'A') && (p[i] <= 'Z'))
out[i] = p[i] - 'A' + 'a';
else
out[i] = p[i];
}
out[n] = '\0';
}
#else
# ifdef OPENSSL_SYS_VMS
void program_name(char *in, char *out, int size)
{
char *p = in, *q;
char *chars = ":]>";
while (*chars != '\0') {
q = strrchr(p, *chars);
if (q > p)
p = q + 1;
chars++;
}
q = strrchr(p, '.');
if (q == NULL)
q = p + strlen(p);
strncpy(out, p, size - 1);
if (q - p >= size) {
out[size - 1] = '\0';
} else {
out[q - p] = '\0';
}
}
# else
void program_name(char *in, char *out, int size)
{
char *p;
p = strrchr(in, '/');
if (p != NULL)
p++;
else
p = in;
BUF_strlcpy(out, p, size);
}
# endif
#endif
int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
{
int num, i;
char *p;
*argc = 0;
*argv = NULL;
i = 0;
if (arg->count == 0) {
arg->count = 20;
arg->data = (char **)OPENSSL_malloc(sizeof(char *) * arg->count);
if (arg->data == NULL)
return 0;
}
for (i = 0; i < arg->count; i++)
arg->data[i] = NULL;
num = 0;
p = buf;
for (;;) {
/* first scan over white space */
if (!*p)
break;
while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
p++;
if (!*p)
break;
/* The start of something good :-) */
if (num >= arg->count) {
char **tmp_p;
int tlen = arg->count + 20;
tmp_p = (char **)OPENSSL_realloc(arg->data,
sizeof(char *) * tlen);
if (tmp_p == NULL)
return 0;
arg->data = tmp_p;
arg->count = tlen;
/* initialize newly allocated data */
for (i = num; i < arg->count; i++)
arg->data[i] = NULL;
}
arg->data[num++] = p;
/* now look for the end of this */
if ((*p == '\'') || (*p == '\"')) { /* scan for closing quote */
i = *(p++);
arg->data[num - 1]++; /* jump over quote */
while (*p && (*p != i))
p++;
*p = '\0';
} else {
while (*p && ((*p != ' ') && (*p != '\t') && (*p != '\n')))
p++;
if (*p == '\0')
p--;
else
*p = '\0';
}
p++;
}
*argc = num;
*argv = arg->data;
return (1);
}
#ifndef APP_INIT
int app_init(long mesgwin)
{
return (1);
}
#endif
int dump_cert_text(BIO *out, X509 *x)
{
char *p;
p = X509_NAME_oneline(X509_get_subject_name(x), NULL, 0);
BIO_puts(out, "subject=");
BIO_puts(out, p);
OPENSSL_free(p);
p = X509_NAME_oneline(X509_get_issuer_name(x), NULL, 0);
BIO_puts(out, "\nissuer=");
BIO_puts(out, p);
BIO_puts(out, "\n");
OPENSSL_free(p);
return 0;
}
static int ui_open(UI *ui)
{
return UI_method_get_opener(UI_OpenSSL())(ui);
}
static int ui_read(UI *ui, UI_STRING *uis)
{
if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
&& UI_get0_user_data(ui)) {
switch (UI_get_string_type(uis)) {
case UIT_PROMPT:
case UIT_VERIFY:
{
const char *password =
((PW_CB_DATA *)UI_get0_user_data(ui))->password;
if (password && password[0] != '\0') {
UI_set_result(ui, uis, password);
return 1;
}
}
default:
break;
}
}
return UI_method_get_reader(UI_OpenSSL())(ui, uis);
}
static int ui_write(UI *ui, UI_STRING *uis)
{
if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
&& UI_get0_user_data(ui)) {
switch (UI_get_string_type(uis)) {
case UIT_PROMPT:
case UIT_VERIFY:
{
const char *password =
((PW_CB_DATA *)UI_get0_user_data(ui))->password;
if (password && password[0] != '\0')
return 1;
}
default:
break;
}
}
return UI_method_get_writer(UI_OpenSSL())(ui, uis);
}
static int ui_close(UI *ui)
{
return UI_method_get_closer(UI_OpenSSL())(ui);
}
int setup_ui_method(void)
{
ui_method = UI_create_method("OpenSSL application user interface");
UI_method_set_opener(ui_method, ui_open);
UI_method_set_reader(ui_method, ui_read);
UI_method_set_writer(ui_method, ui_write);
UI_method_set_closer(ui_method, ui_close);
return 0;
}
void destroy_ui_method(void)
{
if (ui_method) {
UI_destroy_method(ui_method);
ui_method = NULL;
}
}
int password_callback(char *buf, int bufsiz, int verify, PW_CB_DATA *cb_tmp)
{
UI *ui = NULL;
int res = 0;
const char *prompt_info = NULL;
const char *password = NULL;
PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp;
if (cb_data) {
if (cb_data->password)
password = cb_data->password;
if (cb_data->prompt_info)
prompt_info = cb_data->prompt_info;
}
if (password) {
res = strlen(password);
if (res > bufsiz)
res = bufsiz;
memcpy(buf, password, res);
return res;
}
ui = UI_new_method(ui_method);
if (ui) {
int ok = 0;
char *buff = NULL;
int ui_flags = 0;
char *prompt = NULL;
prompt = UI_construct_prompt(ui, "pass phrase", prompt_info);
if (!prompt) {
BIO_printf(bio_err, "Out of memory\n");
UI_free(ui);
return 0;
}
ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
if (ok >= 0)
ok = UI_add_input_string(ui, prompt, ui_flags, buf,
PW_MIN_LENGTH, bufsiz - 1);
if (ok >= 0 && verify) {
buff = (char *)OPENSSL_malloc(bufsiz);
if (!buff) {
BIO_printf(bio_err, "Out of memory\n");
UI_free(ui);
OPENSSL_free(prompt);
return 0;
}
ok = UI_add_verify_string(ui, prompt, ui_flags, buff,
PW_MIN_LENGTH, bufsiz - 1, buf);
}
if (ok >= 0)
do {
ok = UI_process(ui);
}
while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
if (buff) {
OPENSSL_cleanse(buff, (unsigned int)bufsiz);
OPENSSL_free(buff);
}
if (ok >= 0)
res = strlen(buf);
if (ok == -1) {
BIO_printf(bio_err, "User interface error\n");
ERR_print_errors(bio_err);
OPENSSL_cleanse(buf, (unsigned int)bufsiz);
res = 0;
}
if (ok == -2) {
BIO_printf(bio_err, "aborted!\n");
OPENSSL_cleanse(buf, (unsigned int)bufsiz);
res = 0;
}
UI_free(ui);
OPENSSL_free(prompt);
}
return res;
}
static char *app_get_pass(BIO *err, char *arg, int keepbio);
int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
{
int same;
if (!arg2 || !arg1 || strcmp(arg1, arg2))
same = 0;
else
same = 1;
if (arg1) {
*pass1 = app_get_pass(err, arg1, same);
if (!*pass1)
return 0;
} else if (pass1)
*pass1 = NULL;
if (arg2) {
*pass2 = app_get_pass(err, arg2, same ? 2 : 0);
if (!*pass2)
return 0;
} else if (pass2)
*pass2 = NULL;
return 1;
}
static char *app_get_pass(BIO *err, char *arg, int keepbio)
{
char *tmp, tpass[APP_PASS_LEN];
static BIO *pwdbio = NULL;
int i;
if (!strncmp(arg, "pass:", 5))
return BUF_strdup(arg + 5);
if (!strncmp(arg, "env:", 4)) {
tmp = getenv(arg + 4);
if (!tmp) {
BIO_printf(err, "Can't read environment variable %s\n", arg + 4);
return NULL;
}
return BUF_strdup(tmp);
}
if (!keepbio || !pwdbio) {
if (!strncmp(arg, "file:", 5)) {
pwdbio = BIO_new_file(arg + 5, "r");
if (!pwdbio) {
BIO_printf(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)) {
BIO *btmp;
i = atoi(arg + 3);
if (i >= 0)
pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
if ((i < 0) || !pwdbio) {
BIO_printf(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")) {
pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
if (!pwdbio) {
BIO_printf(err, "Can't open BIO for stdin\n");
return NULL;
}
} else {
BIO_printf(err, "Invalid password argument \"%s\"\n", 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(err, "Error reading password from BIO\n");
return NULL;
}
tmp = strchr(tpass, '\n');
if (tmp)
*tmp = 0;
return BUF_strdup(tpass);
}
int add_oid_section(BIO *err, CONF *conf)
{
char *p;
STACK_OF(CONF_VALUE) *sktmp;
CONF_VALUE *cnf;
int i;
if (!(p = NCONF_get_string(conf, NULL, "oid_section"))) {
ERR_clear_error();
return 1;
}
if (!(sktmp = NCONF_get_section(conf, p))) {
BIO_printf(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(err, "problem creating object %s=%s\n",
cnf->name, cnf->value);
return 0;
}
}
return 1;
}
static int load_pkcs12(BIO *err, BIO *in, const char *desc,
pem_password_cb *pem_cb, void *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(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(err, "Passpharse callback error for %s\n", desc);
goto die;
}
if (len < PEM_BUFSIZE)
tpass[len] = 0;
if (!PKCS12_verify_mac(p12, tpass, len)) {
BIO_printf(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:
if (p12)
PKCS12_free(p12);
return ret;
}
#ifdef ONLY_IN_OPENSSL_APPS
int load_cert_crl_http(const char *url, BIO *err,
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) {
if (err)
BIO_puts(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)
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:
if (host)
OPENSSL_free(host);
if (path)
OPENSSL_free(path);
if (port)
OPENSSL_free(port);
if (bio)
BIO_free_all(bio);
if (rctx)
OCSP_REQ_CTX_free(rctx);
if (rv != 1) {
if (bio && err)
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(BIO *err, const char *file, int format,
const char *pass, ENGINE *e, const char *cert_descrip)
{
X509 *x = NULL;
BIO *cert;
if (format == FORMAT_HTTP) {
#ifdef ONLY_IN_OPENSSL_APPS
load_cert_crl_http(file, err, &x, NULL);
#endif
return x;
}
if ((cert = BIO_new(BIO_s_file())) == NULL) {
ERR_print_errors(err);
goto end;
}
if (file == NULL) {
#ifdef _IONBF
# ifndef OPENSSL_NO_SETVBUF_IONBF
setvbuf(stdin, NULL, _IONBF, 0);
# endif /* ndef OPENSSL_NO_SETVBUF_IONBF */
#endif
BIO_set_fp(cert, stdin, BIO_NOCLOSE);
} else {
if (BIO_read_filename(cert, file) <= 0) {
BIO_printf(err, "Error opening %s %s\n", cert_descrip, file);
ERR_print_errors(err);
goto end;
}
}
if (format == FORMAT_ASN1)
x = d2i_X509_bio(cert, NULL);
else if (format == FORMAT_NETSCAPE) {
NETSCAPE_X509 *nx;
nx = ASN1_item_d2i_bio(ASN1_ITEM_rptr(NETSCAPE_X509), cert, NULL);
if (nx == NULL)
goto end;
if ((strncmp(NETSCAPE_CERT_HDR, (char *)nx->header->data,
nx->header->length) != 0)) {
NETSCAPE_X509_free(nx);
BIO_printf(err, "Error reading header on certificate\n");
goto end;
}
x = nx->cert;
nx->cert = NULL;
NETSCAPE_X509_free(nx);
} 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(err, cert, cert_descrip, NULL, NULL, NULL, &x, NULL))
goto end;
} else {
BIO_printf(err, "bad input format specified for %s\n", cert_descrip);
goto end;
}
end:
if (x == NULL) {
BIO_printf(err, "unable to load certificate\n");
ERR_print_errors(err);
}
if (cert != NULL)
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) {
#ifdef ONLY_IN_OPENSSL_APPS
load_cert_crl_http(infile, bio_err, NULL, &x);
#endif
return x;
}
in = BIO_new(BIO_s_file());
if (in == NULL) {
ERR_print_errors(bio_err);
goto end;
}
if (infile == NULL)
BIO_set_fp(in, stdin, BIO_NOCLOSE);
else {
if (BIO_read_filename(in, infile) <= 0) {
perror(infile);
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(BIO *err, 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(err, "no keyfile specified\n");
goto end;
}
#ifndef OPENSSL_NO_ENGINE
if (format == FORMAT_ENGINE) {
if (!e)
BIO_printf(err, "no engine specified\n");
else {
pkey = ENGINE_load_private_key(e, file, ui_method, &cb_data);
if (!pkey) {
BIO_printf(err, "cannot load %s from engine\n", key_descrip);
ERR_print_errors(err);
}
}
goto end;
}
#endif
key = BIO_new(BIO_s_file());
if (key == NULL) {
ERR_print_errors(err);
goto end;
}
if (file == NULL && maybe_stdin) {
#ifdef _IONBF
# ifndef OPENSSL_NO_SETVBUF_IONBF
setvbuf(stdin, NULL, _IONBF, 0);
# endif /* ndef OPENSSL_NO_SETVBUF_IONBF */
#endif
BIO_set_fp(key, stdin, BIO_NOCLOSE);
} else if (BIO_read_filename(key, file) <= 0) {
BIO_printf(err, "Error opening %s %s\n", key_descrip, file);
ERR_print_errors(err);
goto end;
}
if (format == FORMAT_ASN1) {
pkey = d2i_PrivateKey_bio(key, NULL);
} else if (format == FORMAT_PEM) {
pkey = PEM_read_bio_PrivateKey(key, NULL,
(pem_password_cb *)password_callback,
&cb_data);
}
#if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
pkey = load_netscape_key(err, key, file, key_descrip, format);
#endif
else if (format == FORMAT_PKCS12) {
if (!load_pkcs12(err, key, key_descrip,
(pem_password_cb *)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, (pem_password_cb *)password_callback,
&cb_data);
#endif
else {
BIO_printf(err, "bad input format specified for key file\n");
goto end;
}
end:
if (key != NULL)
BIO_free(key);
if (pkey == NULL) {
BIO_printf(err, "unable to load %s\n", key_descrip);
ERR_print_errors(err);
}
return (pkey);
}
EVP_PKEY *load_pubkey(BIO *err, 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(err, "no keyfile specified\n");
goto end;
}
#ifndef OPENSSL_NO_ENGINE
if (format == FORMAT_ENGINE) {
if (!e)
BIO_printf(bio_err, "no engine specified\n");
else
pkey = ENGINE_load_public_key(e, file, ui_method, &cb_data);
goto end;
}
#endif
key = BIO_new(BIO_s_file());
if (key == NULL) {
ERR_print_errors(err);
goto end;
}
if (file == NULL && maybe_stdin) {
#ifdef _IONBF
# ifndef OPENSSL_NO_SETVBUF_IONBF
setvbuf(stdin, NULL, _IONBF, 0);
# endif /* ndef OPENSSL_NO_SETVBUF_IONBF */
#endif
BIO_set_fp(key, stdin, BIO_NOCLOSE);
} else if (BIO_read_filename(key, file) <= 0) {
BIO_printf(err, "Error opening %s %s\n", key_descrip, file);
ERR_print_errors(err);
goto end;
}
if (format == FORMAT_ASN1) {
pkey = d2i_PUBKEY_bio(key, NULL);
}
#ifndef OPENSSL_NO_RSA
else if (format == FORMAT_ASN1RSA) {
RSA *rsa;
rsa = d2i_RSAPublicKey_bio(key, NULL);
if (rsa) {
pkey = EVP_PKEY_new();
if (pkey)
EVP_PKEY_set1_RSA(pkey, rsa);
RSA_free(rsa);
} else
pkey = NULL;
} else if (format == FORMAT_PEMRSA) {
RSA *rsa;
rsa = PEM_read_bio_RSAPublicKey(key, NULL,
(pem_password_cb *)password_callback,
&cb_data);
if (rsa) {
pkey = EVP_PKEY_new();
if (pkey)
EVP_PKEY_set1_RSA(pkey, rsa);
RSA_free(rsa);
} else
pkey = NULL;
}
#endif
else if (format == FORMAT_PEM) {
pkey = PEM_read_bio_PUBKEY(key, NULL,
(pem_password_cb *)password_callback,
&cb_data);
}
#if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
pkey = load_netscape_key(err, key, file, key_descrip, format);
#endif
#if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA)
else if (format == FORMAT_MSBLOB)
pkey = b2i_PublicKey_bio(key);
#endif
else {
BIO_printf(err, "bad input format specified for key file\n");
goto end;
}
end:
if (key != NULL)
BIO_free(key);
if (pkey == NULL)
BIO_printf(err, "unable to load %s\n", key_descrip);
return (pkey);
}
#if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
static EVP_PKEY *load_netscape_key(BIO *err, BIO *key, const char *file,
const char *key_descrip, int format)
{
EVP_PKEY *pkey;
BUF_MEM *buf;
RSA *rsa;
const unsigned char *p;
int size, i;
buf = BUF_MEM_new();
pkey = EVP_PKEY_new();
size = 0;
if (buf == NULL || pkey == NULL)
goto error;
for (;;) {
if (!BUF_MEM_grow_clean(buf, size + 1024 * 10))
goto error;
i = BIO_read(key, &(buf->data[size]), 1024 * 10);
size += i;
if (i == 0)
break;
if (i < 0) {
BIO_printf(err, "Error reading %s %s", key_descrip, file);
goto error;
}
}
p = (unsigned char *)buf->data;
rsa = d2i_RSA_NET(NULL, &p, (long)size, NULL,
(format == FORMAT_IISSGC ? 1 : 0));
if (rsa == NULL)
goto error;
BUF_MEM_free(buf);
EVP_PKEY_set1_RSA(pkey, rsa);
return pkey;
error:
BUF_MEM_free(buf);
EVP_PKEY_free(pkey);
return NULL;
}
#endif /* ndef OPENSSL_NO_RC4 */
static int load_certs_crls(BIO *err, const char *file, int format,
const char *pass, ENGINE *e, 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(err, "bad input format specified for %s\n", desc);
return 0;
}
if (file == NULL)
bio = BIO_new_fp(stdin, BIO_NOCLOSE);
else
bio = BIO_new_file(file, "r");
if (bio == NULL) {
BIO_printf(err, "Error opening %s %s\n", desc, file ? file : "stdin");
ERR_print_errors(err);
return 0;
}
xis = PEM_X509_INFO_read_bio(bio, NULL,
(pem_password_cb *)password_callback,
&cb_data);
BIO_free(bio);
if (pcerts) {
*pcerts = sk_X509_new_null();
if (!*pcerts)
goto end;
}
if (pcrls) {
*pcrls = sk_X509_CRL_new_null();
if (!*pcrls)
goto end;
}
for (i = 0; i < sk_X509_INFO_num(xis); i++) {
xi = sk_X509_INFO_value(xis, i);
if (xi->x509 && pcerts) {
if (!sk_X509_push(*pcerts, xi->x509))
goto end;
xi->x509 = NULL;
}
if (xi->crl && pcrls) {
if (!sk_X509_CRL_push(*pcrls, xi->crl))
goto end;
xi->crl = NULL;
}
}
if (pcerts && sk_X509_num(*pcerts) > 0)
rv = 1;
if (pcrls && sk_X509_CRL_num(*pcrls) > 0)
rv = 1;
end:
if (xis)
sk_X509_INFO_pop_free(xis, X509_INFO_free);
if (rv == 0) {
if (pcerts) {
sk_X509_pop_free(*pcerts, X509_free);
*pcerts = NULL;
}
if (pcrls) {
sk_X509_CRL_pop_free(*pcrls, X509_CRL_free);
*pcrls = NULL;
}
BIO_printf(err, "unable to load %s\n",
pcerts ? "certificates" : "CRLs");
ERR_print_errors(err);
}
return rv;
}
STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
const char *pass, ENGINE *e, const char *desc)
{
STACK_OF(X509) *certs;
if (!load_certs_crls(err, file, format, pass, e, desc, &certs, NULL))
return NULL;
return certs;
}
STACK_OF(X509_CRL) *load_crls(BIO *err, const char *file, int format,
const char *pass, ENGINE *e, const char *desc)
{
STACK_OF(X509_CRL) *crls;
if (!load_certs_crls(err, file, format, pass, e, desc, NULL, &crls))
return NULL;
return 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_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_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"))
*copy_type = EXT_COPY_NONE;
else if (!strcasecmp(arg, "copy"))
*copy_type = EXT_COPY_ADD;
else if (!strcasecmp(arg, "copyall"))
*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)) {
*flags &= ~ptbl->mask;
if (c)
*flags |= ptbl->flag;
else
*flags &= ~ptbl->flag;
return 1;
}
}
return 0;
}
void print_name(BIO *out, const char *title, X509_NAME *nm,
unsigned long lflags)
{
char *buf;
char mline = 0;
int indent = 0;
if (title)
BIO_puts(out, title);
if ((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
mline = 1;
indent = 4;
}
if (lflags == XN_FLAG_COMPAT) {
buf = X509_NAME_oneline(nm, 0, 0);
BIO_puts(out, buf);
BIO_puts(out, "\n");
OPENSSL_free(buf);
} else {
if (mline)
BIO_puts(out, "\n");
X509_NAME_print_ex(out, nm, indent, lflags);
BIO_puts(out, "\n");
}
}
X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath)
{
X509_STORE *store;
X509_LOOKUP *lookup;
if (!(store = X509_STORE_new()))
goto end;
lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file());
if (lookup == NULL)
goto end;
if (CAfile) {
if (!X509_LOOKUP_load_file(lookup, CAfile, X509_FILETYPE_PEM)) {
BIO_printf(bp, "Error loading file %s\n", CAfile);
goto end;
}
} else
X509_LOOKUP_load_file(lookup, NULL, X509_FILETYPE_DEFAULT);
lookup = X509_STORE_add_lookup(store, X509_LOOKUP_hash_dir());
if (lookup == NULL)
goto end;
if (CApath) {
if (!X509_LOOKUP_add_dir(lookup, CApath, X509_FILETYPE_PEM)) {
BIO_printf(bp, "Error loading directory %s\n", CApath);
goto end;
}
} else
X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT);
ERR_clear_error();
return store;
end:
X509_STORE_free(store);
return NULL;
}
#ifndef OPENSSL_NO_ENGINE
/* Try to load an engine in a shareable library */
static ENGINE *try_load_engine(BIO *err, const char *engine, int debug)
{
ENGINE *e = ENGINE_by_id("dynamic");
if (e) {
if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
|| !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0)) {
ENGINE_free(e);
e = NULL;
}
}
return e;
}
ENGINE *setup_engine(BIO *err, const char *engine, int debug)
{
ENGINE *e = NULL;
if (engine) {
if (strcmp(engine, "auto") == 0) {
BIO_printf(err, "enabling auto ENGINE support\n");
ENGINE_register_all_complete();
return NULL;
}
if ((e = ENGINE_by_id(engine)) == NULL
&& (e = try_load_engine(err, engine, debug)) == NULL) {
BIO_printf(err, "invalid engine \"%s\"\n", engine);
ERR_print_errors(err);
return NULL;
}
if (debug) {
ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM, 0, err, 0);
}
ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
if (!ENGINE_set_default(e, ENGINE_METHOD_ALL)) {
BIO_printf(err, "can't use that engine\n");
ERR_print_errors(err);
ENGINE_free(e);
return NULL;
}
BIO_printf(err, "engine \"%s\" set.\n", ENGINE_get_id(e));
/* Free our "structural" reference. */
ENGINE_free(e);
}
return e;
}
#endif
int load_config(BIO *err, CONF *cnf)
{
static int load_config_called = 0;
if (load_config_called)
return 1;
load_config_called = 1;
if (!cnf)
cnf = config;
if (!cnf)
return 1;
OPENSSL_load_builtin_modules();
if (CONF_modules_load(cnf, NULL, 0) <= 0) {
BIO_printf(err, "Error configuring OpenSSL\n");
ERR_print_errors(err);
return 0;
}
return 1;
}
char *make_config_name()
{
const char *t = X509_get_default_cert_area();
size_t len;
char *p;
len = strlen(t) + strlen(OPENSSL_CONF) + 2;
p = OPENSSL_malloc(len);
if (p == NULL)
return NULL;
BUF_strlcpy(p, t, len);
#ifndef OPENSSL_SYS_VMS
BUF_strlcat(p, "/", len);
#endif
BUF_strlcat(p, OPENSSL_CONF, len);
return p;
}
static unsigned long index_serial_hash(const OPENSSL_CSTRING *a)
{
const char *n;
n = a[DB_serial];
while (*n == '0')
n++;
return (lh_strhash(n));
}
static int index_serial_cmp(const OPENSSL_CSTRING *a,
const OPENSSL_CSTRING *b)
{
const char *aa, *bb;
for (aa = a[DB_serial]; *aa == '0'; aa++) ;
for (bb = b[DB_serial]; *bb == '0'; bb++) ;
return (strcmp(aa, bb));
}
static int index_name_qual(char **a)
{
return (a[0][0] == 'V');
}
static unsigned long index_name_hash(const OPENSSL_CSTRING *a)
{
return (lh_strhash(a[DB_name]));
}
int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
{
return (strcmp(a[DB_name], b[DB_name]));
}
static IMPLEMENT_LHASH_HASH_FN(index_serial, OPENSSL_CSTRING)
static IMPLEMENT_LHASH_COMP_FN(index_serial, OPENSSL_CSTRING)
static IMPLEMENT_LHASH_HASH_FN(index_name, OPENSSL_CSTRING)
static IMPLEMENT_LHASH_COMP_FN(index_name, OPENSSL_CSTRING)
#undef BSIZE
#define BSIZE 256
BIGNUM *load_serial(char *serialfile, int create, ASN1_INTEGER **retai)
{
BIO *in = NULL;
BIGNUM *ret = NULL;
MS_STATIC char buf[1024];
ASN1_INTEGER *ai = NULL;
ai = ASN1_INTEGER_new();
if (ai == NULL)
goto err;
if ((in = BIO_new(BIO_s_file())) == NULL) {
ERR_print_errors(bio_err);
goto err;
}
if (BIO_read_filename(in, serialfile) <= 0) {
if (!create) {
perror(serialfile);
goto err;
} else {
ret = BN_new();
if (ret == NULL || !rand_serial(ret, ai))
BIO_printf(bio_err, "Out of memory\n");
}
} else {
if (!a2i_ASN1_INTEGER(in, ai, buf, 1024)) {
BIO_printf(bio_err, "unable to load number from %s\n",
serialfile);
goto err;
}
ret = ASN1_INTEGER_to_BN(ai, NULL);
if (ret == NULL) {
BIO_printf(bio_err,
"error converting number from bin to BIGNUM\n");
goto err;
}
}
if (ret && retai) {
*retai = ai;
ai = NULL;
}
err:
if (in != NULL)
BIO_free(in);
if (ai != NULL)
ASN1_INTEGER_free(ai);
return (ret);
}
int save_serial(char *serialfile, char *suffix, BIGNUM *serial,
ASN1_INTEGER **retai)
{
char buf[1][BSIZE];
BIO *out = NULL;
int ret = 0;
ASN1_INTEGER *ai = NULL;
int j;
if (suffix == NULL)
j = strlen(serialfile);
else
j = strlen(serialfile) + strlen(suffix) + 1;
if (j >= BSIZE) {
BIO_printf(bio_err, "file name too long\n");
goto err;
}
if (suffix == NULL)
BUF_strlcpy(buf[0], serialfile, BSIZE);
else {
#ifndef OPENSSL_SYS_VMS
j = snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, suffix);
#else
j = snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, suffix);
#endif
}
#ifdef RL_DEBUG
BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
#endif
out = BIO_new(BIO_s_file());
if (out == NULL) {
ERR_print_errors(bio_err);
goto err;
}
if (BIO_write_filename(out, buf[0]) <= 0) {
perror(serialfile);
goto err;
}
if ((ai = BN_to_ASN1_INTEGER(serial, NULL)) == NULL) {
BIO_printf(bio_err, "error converting serial to ASN.1 format\n");
goto err;
}
i2a_ASN1_INTEGER(out, ai);
BIO_puts(out, "\n");
ret = 1;
if (retai) {
*retai = ai;
ai = NULL;
}
err:
if (out != NULL)
BIO_free_all(out);
if (ai != NULL)
ASN1_INTEGER_free(ai);
return (ret);
}
int rotate_serial(char *serialfile, char *new_suffix, char *old_suffix)
{
char buf[5][BSIZE];
int i, j;
i = strlen(serialfile) + strlen(old_suffix);
j = strlen(serialfile) + strlen(new_suffix);
if (i > j)
j = i;
if (j + 1 >= BSIZE) {
BIO_printf(bio_err, "file name too long\n");
goto err;
}
#ifndef OPENSSL_SYS_VMS
j = snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, new_suffix);
#else
j = snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, new_suffix);
#endif
#ifndef OPENSSL_SYS_VMS
j = snprintf(buf[1], sizeof buf[1], "%s.%s", serialfile, old_suffix);
#else
j = snprintf(buf[1], sizeof buf[1], "%s-%s", serialfile, old_suffix);
#endif
#ifdef RL_DEBUG
BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
serialfile, buf[1]);
#endif
if (rename(serialfile, buf[1]) < 0 && errno != ENOENT
#ifdef ENOTDIR
&& errno != ENOTDIR
#endif
) {
BIO_printf(bio_err,
"unable to rename %s to %s\n", serialfile, buf[1]);
perror("reason");
goto err;
}
#ifdef RL_DEBUG
BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
buf[0], serialfile);
#endif
if (rename(buf[0], serialfile) < 0) {
BIO_printf(bio_err,
"unable to rename %s to %s\n", buf[0], serialfile);
perror("reason");
rename(buf[1], serialfile);
goto err;
}
return 1;
err:
return 0;
}
int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
{
BIGNUM *btmp;
int ret = 0;
if (b)
btmp = b;
else
btmp = BN_new();
if (!btmp)
return 0;
if (!BN_pseudo_rand(btmp, SERIAL_RAND_BITS, 0, 0))
goto error;
if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
goto error;
ret = 1;
error:
if (!b)
BN_free(btmp);
return ret;
}
CA_DB *load_index(char *dbfile, DB_ATTR *db_attr)
{
CA_DB *retdb = NULL;
TXT_DB *tmpdb = NULL;
BIO *in = BIO_new(BIO_s_file());
CONF *dbattr_conf = NULL;
char buf[1][BSIZE];
long errorline = -1;
if (in == NULL) {
ERR_print_errors(bio_err);
goto err;
}
if (BIO_read_filename(in, dbfile) <= 0) {
perror(dbfile);
BIO_printf(bio_err, "unable to open '%s'\n", dbfile);
goto err;
}
if ((tmpdb = TXT_DB_read(in, DB_NUMBER)) == NULL)
goto err;
#ifndef OPENSSL_SYS_VMS
snprintf(buf[0], sizeof buf[0], "%s.attr", dbfile);
#else
snprintf(buf[0], sizeof buf[0], "%s-attr", dbfile);
#endif
dbattr_conf = NCONF_new(NULL);
if (NCONF_load(dbattr_conf, buf[0], &errorline) <= 0) {
if (errorline > 0) {
BIO_printf(bio_err,
"error on line %ld of db attribute file '%s'\n",
errorline, buf[0]);
goto err;
} else {
NCONF_free(dbattr_conf);
dbattr_conf = NULL;
}
}
if ((retdb = OPENSSL_malloc(sizeof(CA_DB))) == NULL) {
fprintf(stderr, "Out of memory\n");
goto err;
}
retdb->db = tmpdb;
tmpdb = NULL;
if (db_attr)
retdb->attributes = *db_attr;
else {
retdb->attributes.unique_subject = 1;
}
if (dbattr_conf) {
char *p = NCONF_get_string(dbattr_conf, NULL, "unique_subject");
if (p) {
#ifdef RL_DEBUG
BIO_printf(bio_err,
"DEBUG[load_index]: unique_subject = \"%s\"\n", p);
#endif
retdb->attributes.unique_subject = parse_yesno(p, 1);
}
}
err:
if (dbattr_conf)
NCONF_free(dbattr_conf);
if (tmpdb)
TXT_DB_free(tmpdb);
if (in)
BIO_free_all(in);
return retdb;
}
int index_index(CA_DB *db)
{
if (!TXT_DB_create_index(db->db, DB_serial, NULL,
LHASH_HASH_FN(index_serial),
LHASH_COMP_FN(index_serial))) {
BIO_printf(bio_err,
"error creating serial number index:(%ld,%ld,%ld)\n",
db->db->error, db->db->arg1, db->db->arg2);
return 0;
}
if (db->attributes.unique_subject
&& !TXT_DB_create_index(db->db, DB_name, index_name_qual,
LHASH_HASH_FN(index_name),
LHASH_COMP_FN(index_name))) {
BIO_printf(bio_err, "error creating name index:(%ld,%ld,%ld)\n",
db->db->error, db->db->arg1, db->db->arg2);
return 0;
}
return 1;
}
int save_index(const char *dbfile, const char *suffix, CA_DB *db)
{
char buf[3][BSIZE];
BIO *out = BIO_new(BIO_s_file());
int j;
if (out == NULL) {
ERR_print_errors(bio_err);
goto err;
}
j = strlen(dbfile) + strlen(suffix);
if (j + 6 >= BSIZE) {
BIO_printf(bio_err, "file name too long\n");
goto err;
}
#ifndef OPENSSL_SYS_VMS
j = snprintf(buf[2], sizeof buf[2], "%s.attr", dbfile);
#else
j = snprintf(buf[2], sizeof buf[2], "%s-attr", dbfile);
#endif
#ifndef OPENSSL_SYS_VMS
j = snprintf(buf[1], sizeof buf[1], "%s.attr.%s", dbfile, suffix);
#else
j = snprintf(buf[1], sizeof buf[1], "%s-attr-%s", dbfile, suffix);
#endif
#ifndef OPENSSL_SYS_VMS
j = snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, suffix);
#else
j = snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, suffix);
#endif
#ifdef RL_DEBUG
BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
#endif
if (BIO_write_filename(out, buf[0]) <= 0) {
perror(dbfile);
BIO_printf(bio_err, "unable to open '%s'\n", dbfile);
goto err;
}
j = TXT_DB_write(out, db->db);
if (j <= 0)
goto err;
BIO_free(out);
out = BIO_new(BIO_s_file());
#ifdef RL_DEBUG
BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[1]);
#endif
if (BIO_write_filename(out, buf[1]) <= 0) {
perror(buf[2]);
BIO_printf(bio_err, "unable to open '%s'\n", buf[2]);
goto err;
}
BIO_printf(out, "unique_subject = %s\n",
db->attributes.unique_subject ? "yes" : "no");
BIO_free(out);
return 1;
err:
return 0;
}
int rotate_index(const char *dbfile, const char *new_suffix,
const char *old_suffix)
{
char buf[5][BSIZE];
int i, j;
i = strlen(dbfile) + strlen(old_suffix);
j = strlen(dbfile) + strlen(new_suffix);
if (i > j)
j = i;
if (j + 6 >= BSIZE) {
BIO_printf(bio_err, "file name too long\n");
goto err;
}
#ifndef OPENSSL_SYS_VMS
j = snprintf(buf[4], sizeof buf[4], "%s.attr", dbfile);
#else
j = snprintf(buf[4], sizeof buf[4], "%s-attr", dbfile);
#endif
#ifndef OPENSSL_SYS_VMS
j = snprintf(buf[2], sizeof buf[2], "%s.attr.%s", dbfile, new_suffix);
#else
j = snprintf(buf[2], sizeof buf[2], "%s-attr-%s", dbfile, new_suffix);
#endif
#ifndef OPENSSL_SYS_VMS
j = snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, new_suffix);
#else
j = snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, new_suffix);
#endif
#ifndef OPENSSL_SYS_VMS
j = snprintf(buf[1], sizeof buf[1], "%s.%s", dbfile, old_suffix);
#else
j = snprintf(buf[1], sizeof buf[1], "%s-%s", dbfile, old_suffix);
#endif
#ifndef OPENSSL_SYS_VMS
j = snprintf(buf[3], sizeof buf[3], "%s.attr.%s", dbfile, old_suffix);
#else
j = snprintf(buf[3], sizeof buf[3], "%s-attr-%s", dbfile, old_suffix);
#endif
#ifdef RL_DEBUG
BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n", dbfile, buf[1]);
#endif
if (rename(dbfile, buf[1]) < 0 && errno != ENOENT
#ifdef ENOTDIR
&& errno != ENOTDIR
#endif
) {
BIO_printf(bio_err, "unable to rename %s to %s\n", dbfile, buf[1]);
perror("reason");
goto err;
}
#ifdef RL_DEBUG
BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n", buf[0], dbfile);
#endif
if (rename(buf[0], dbfile) < 0) {
BIO_printf(bio_err, "unable to rename %s to %s\n", buf[0], dbfile);
perror("reason");
rename(buf[1], dbfile);
goto err;
}
#ifdef RL_DEBUG
BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n", buf[4], buf[3]);
#endif
if (rename(buf[4], buf[3]) < 0 && errno != ENOENT
#ifdef ENOTDIR
&& errno != ENOTDIR
#endif
) {
BIO_printf(bio_err, "unable to rename %s to %s\n", buf[4], buf[3]);
perror("reason");
rename(dbfile, buf[0]);
rename(buf[1], dbfile);
goto err;
}
#ifdef RL_DEBUG
BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n", buf[2], buf[4]);
#endif
if (rename(buf[2], buf[4]) < 0) {
BIO_printf(bio_err, "unable to rename %s to %s\n", buf[2], buf[4]);
perror("reason");
rename(buf[3], buf[4]);
rename(dbfile, buf[0]);
rename(buf[1], dbfile);
goto err;
}
return 1;
err:
return 0;
}
void free_index(CA_DB *db)
{
if (db) {
if (db->db)
TXT_DB_free(db->db);
OPENSSL_free(db);
}
}
int parse_yesno(const char *str, int def)
{
int ret = def;
if (str) {
switch (*str) {
case 'f': /* false */
case 'F': /* FALSE */
case 'n': /* no */
case 'N': /* NO */
case '0': /* 0 */
ret = 0;
break;
case 't': /* true */
case 'T': /* TRUE */
case 'y': /* yes */
case 'Y': /* YES */
case '1': /* 1 */
ret = 1;
break;
default:
ret = def;
break;
}
}
return ret;
}
/*
* subject is expected to be in the format /type0=value0/type1=value1/type2=...
* where characters may be escaped by \
*/
X509_NAME *parse_name(char *subject, long chtype, int multirdn)
{
size_t buflen = strlen(subject) + 1; /* to copy the types and values
* into. due to escaping, the copy
* can only become shorter */
char *buf = OPENSSL_malloc(buflen);
size_t max_ne = buflen / 2 + 1; /* maximum number of name elements */
char **ne_types = OPENSSL_malloc(max_ne * sizeof(char *));
char **ne_values = OPENSSL_malloc(max_ne * sizeof(char *));
int *mval = OPENSSL_malloc(max_ne * sizeof(int));
char *sp = subject, *bp = buf;
int i, ne_num = 0;
X509_NAME *n = NULL;
int nid;
if (!buf || !ne_types || !ne_values || !mval) {
BIO_printf(bio_err, "malloc error\n");
goto error;
}
if (*subject != '/') {
BIO_printf(bio_err, "Subject does not start with '/'.\n");
goto error;
}
sp++; /* skip leading / */
/* no multivalued RDN by default */
mval[ne_num] = 0;
while (*sp) {
/* collect type */
ne_types[ne_num] = bp;
while (*sp) {
if (*sp == '\\') { /* is there anything to escape in the
* type...? */
if (*++sp)
*bp++ = *sp++;
else {
BIO_printf(bio_err,
"escape character at end of string\n");
goto error;
}
} else if (*sp == '=') {
sp++;
*bp++ = '\0';
break;
} else
*bp++ = *sp++;
}
if (!*sp) {
BIO_printf(bio_err,
"end of string encountered while processing type of subject name element #%d\n",
ne_num);
goto error;
}
ne_values[ne_num] = bp;
while (*sp) {
if (*sp == '\\') {
if (*++sp)
*bp++ = *sp++;
else {
BIO_printf(bio_err,
"escape character at end of string\n");
goto error;
}
} else if (*sp == '/') {
sp++;
/* no multivalued RDN by default */
mval[ne_num + 1] = 0;
break;
} else if (*sp == '+' && multirdn) {
/*
* a not escaped + signals a mutlivalued RDN
*/
sp++;
mval[ne_num + 1] = -1;
break;
} else
*bp++ = *sp++;
}
*bp++ = '\0';
ne_num++;
}
if (!(n = X509_NAME_new()))
goto error;
for (i = 0; i < ne_num; i++) {
if ((nid = OBJ_txt2nid(ne_types[i])) == NID_undef) {
BIO_printf(bio_err,
"Subject Attribute %s has no known NID, skipped\n",
ne_types[i]);
continue;
}
if (!*ne_values[i]) {
BIO_printf(bio_err,
"No value provided for Subject Attribute %s, skipped\n",
ne_types[i]);
continue;
}
if (!X509_NAME_add_entry_by_NID
(n, nid, chtype, (unsigned char *)ne_values[i], -1, -1, mval[i]))
goto error;
}
OPENSSL_free(ne_values);
OPENSSL_free(ne_types);
OPENSSL_free(buf);
OPENSSL_free(mval);
return n;
error:
X509_NAME_free(n);
if (ne_values)
OPENSSL_free(ne_values);
if (ne_types)
OPENSSL_free(ne_types);
if (mval)
OPENSSL_free(mval);
if (buf)
OPENSSL_free(buf);
return NULL;
}
int args_verify(char ***pargs, int *pargc,
int *badarg, BIO *err, X509_VERIFY_PARAM **pm)
{
ASN1_OBJECT *otmp = NULL;
unsigned long flags = 0;
int i;
int purpose = 0, depth = -1;
char **oldargs = *pargs;
char *arg = **pargs, *argn = (*pargs)[1];
time_t at_time = 0;
char *hostname = NULL;
char *email = NULL;
char *ipasc = NULL;
if (!strcmp(arg, "-policy")) {
if (!argn)
*badarg = 1;
else {
otmp = OBJ_txt2obj(argn, 0);
if (!otmp) {
BIO_printf(err, "Invalid Policy \"%s\"\n", argn);
*badarg = 1;
}
}
(*pargs)++;
} else if (strcmp(arg, "-purpose") == 0) {
X509_PURPOSE *xptmp;
if (!argn)
*badarg = 1;
else {
i = X509_PURPOSE_get_by_sname(argn);
if (i < 0) {
BIO_printf(err, "unrecognized purpose\n");
*badarg = 1;
} else {
xptmp = X509_PURPOSE_get0(i);
purpose = X509_PURPOSE_get_id(xptmp);
}
}
(*pargs)++;
} else if (strcmp(arg, "-verify_depth") == 0) {
if (!argn)
*badarg = 1;
else {
depth = atoi(argn);
if (depth < 0) {
BIO_printf(err, "invalid depth\n");
*badarg = 1;
}
}
(*pargs)++;
} else if (strcmp(arg, "-attime") == 0) {
if (!argn)
*badarg = 1;
else {
long timestamp;
/*
* interpret the -attime argument as seconds since Epoch
*/
if (sscanf(argn, "%li", &timestamp) != 1) {
BIO_printf(bio_err, "Error parsing timestamp %s\n", argn);
*badarg = 1;
}
/* on some platforms time_t may be a float */
at_time = (time_t)timestamp;
}
(*pargs)++;
} else if (strcmp(arg, "-verify_hostname") == 0) {
if (!argn)
*badarg = 1;
hostname = argn;
(*pargs)++;
} else if (strcmp(arg, "-verify_email") == 0) {
if (!argn)
*badarg = 1;
email = argn;
(*pargs)++;
} else if (strcmp(arg, "-verify_ip") == 0) {
if (!argn)
*badarg = 1;
ipasc = argn;
(*pargs)++;
} else if (!strcmp(arg, "-ignore_critical"))
flags |= X509_V_FLAG_IGNORE_CRITICAL;
else if (!strcmp(arg, "-issuer_checks"))
flags |= X509_V_FLAG_CB_ISSUER_CHECK;
else if (!strcmp(arg, "-crl_check"))
flags |= X509_V_FLAG_CRL_CHECK;
else if (!strcmp(arg, "-crl_check_all"))
flags |= X509_V_FLAG_CRL_CHECK | X509_V_FLAG_CRL_CHECK_ALL;
else if (!strcmp(arg, "-policy_check"))
flags |= X509_V_FLAG_POLICY_CHECK;
else if (!strcmp(arg, "-explicit_policy"))
flags |= X509_V_FLAG_EXPLICIT_POLICY;
else if (!strcmp(arg, "-inhibit_any"))
flags |= X509_V_FLAG_INHIBIT_ANY;
else if (!strcmp(arg, "-inhibit_map"))
flags |= X509_V_FLAG_INHIBIT_MAP;
else if (!strcmp(arg, "-x509_strict"))
flags |= X509_V_FLAG_X509_STRICT;
else if (!strcmp(arg, "-extended_crl"))
flags |= X509_V_FLAG_EXTENDED_CRL_SUPPORT;
else if (!strcmp(arg, "-use_deltas"))
flags |= X509_V_FLAG_USE_DELTAS;
else if (!strcmp(arg, "-policy_print"))
flags |= X509_V_FLAG_NOTIFY_POLICY;
else if (!strcmp(arg, "-check_ss_sig"))
flags |= X509_V_FLAG_CHECK_SS_SIGNATURE;
else if (!strcmp(arg, "-trusted_first"))
flags |= X509_V_FLAG_TRUSTED_FIRST;
else if (!strcmp(arg, "-partial_chain"))
flags |= X509_V_FLAG_PARTIAL_CHAIN;
else if (!strcmp(arg, "-no_alt_chains"))
flags |= X509_V_FLAG_NO_ALT_CHAINS;
else if (!strcmp(arg, "-allow_proxy_certs"))
flags |= X509_V_FLAG_ALLOW_PROXY_CERTS;
else
return 0;
if (*badarg) {
if (*pm)
X509_VERIFY_PARAM_free(*pm);
*pm = NULL;
goto end;
}
if (!*pm && !(*pm = X509_VERIFY_PARAM_new())) {
*badarg = 1;
goto end;
}
if (otmp)
X509_VERIFY_PARAM_add0_policy(*pm, otmp);
if (flags)
X509_VERIFY_PARAM_set_flags(*pm, flags);
if (purpose)
X509_VERIFY_PARAM_set_purpose(*pm, purpose);
if (depth >= 0)
X509_VERIFY_PARAM_set_depth(*pm, depth);
if (at_time)
X509_VERIFY_PARAM_set_time(*pm, at_time);
#ifdef ONLY_IN_OPENSSL_APPS
if (hostname && !X509_VERIFY_PARAM_set1_host(*pm, hostname, 0))
*badarg = 1;
if (email && !X509_VERIFY_PARAM_set1_email(*pm, email, 0))
*badarg = 1;
if (ipasc && !X509_VERIFY_PARAM_set1_ip_asc(*pm, ipasc))
*badarg = 1;
#endif
end:
(*pargs)++;
if (pargc)
*pargc -= *pargs - oldargs;
return 1;
}
/*
* Read whole contents of a BIO into an allocated memory buffer and return
* it.
*/
int bio_to_mem(unsigned char **out, int maxlen, BIO *in)
{
BIO *mem;
int len, ret;
unsigned char tbuf[1024];
mem = BIO_new(BIO_s_mem());
if (!mem)
return -1;
for (;;) {
if ((maxlen != -1) && maxlen < 1024)
len = maxlen;
else
len = 1024;
len = BIO_read(in, tbuf, len);
if (len < 0) {
BIO_free(mem);
return -1;
}
if (len == 0)
break;
if (BIO_write(mem, tbuf, len) != len) {
BIO_free(mem);
return -1;
}
maxlen -= len;
if (maxlen == 0)
break;
}
ret = BIO_get_mem_data(mem, (char **)out);
BIO_set_flags(mem, BIO_FLAGS_MEM_RDONLY);
BIO_free(mem);
return ret;
}
extern int libressl_pkey_ctx_ctrl_str(EVP_PKEY_CTX *, const char *,
const char *);
int pkey_ctrl_string(EVP_PKEY_CTX *ctx, const char *value)
{
int rv;
char *stmp, *vtmp = NULL;
stmp = BUF_strdup(value);
if (!stmp)
return -1;
vtmp = strchr(stmp, ':');
if (vtmp) {
*vtmp = 0;
vtmp++;
}
rv = libressl_pkey_ctx_ctrl_str(ctx, stmp, vtmp);
OPENSSL_free(stmp);
return rv;
}
static void nodes_print(BIO *out, const char *name,
STACK_OF(X509_POLICY_NODE) *nodes)
{
X509_POLICY_NODE *node;
int i;
BIO_printf(out, "%s Policies:", name);
if (nodes) {
BIO_puts(out, "\n");
for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++) {
node = sk_X509_POLICY_NODE_value(nodes, i);
X509_POLICY_NODE_print(out, node, 2);
}
} else
BIO_puts(out, " <empty>\n");
}
void policies_print(BIO *out, X509_STORE_CTX *ctx)
{
X509_POLICY_TREE *tree;
int explicit_policy;
int free_out = 0;
if (out == NULL) {
out = BIO_new_fp(stderr, BIO_NOCLOSE);
free_out = 1;
}
tree = X509_STORE_CTX_get0_policy_tree(ctx);
explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
BIO_printf(out, "Require explicit Policy: %s\n",
explicit_policy ? "True" : "False");
nodes_print(out, "Authority", X509_policy_tree_get0_policies(tree));
nodes_print(out, "User", X509_policy_tree_get0_user_policies(tree));
if (free_out)
BIO_free(out);
}
#if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
static JPAKE_CTX *jpake_init(const char *us, const char *them,
const char *secret)
{
BIGNUM *p = NULL;
BIGNUM *g = NULL;
BIGNUM *q = NULL;
BIGNUM *bnsecret = BN_new();
JPAKE_CTX *ctx;
/* Use a safe prime for p (that we found earlier) */
BN_hex2bn(&p,
"F9E5B365665EA7A05A9C534502780FEE6F1AB5BD4F49947FD036DBD7E905269AF46EF28B0FC07487EE4F5D20FB3C0AF8E700F3A2FA3414970CBED44FEDFF80CE78D800F184BB82435D137AADA2C6C16523247930A63B85661D1FC817A51ACD96168E95898A1F83A79FFB529368AA7833ABD1B0C3AEDDB14D2E1A2F71D99F763F");
g = BN_new();
BN_set_word(g, 2);
q = BN_new();
BN_rshift1(q, p);
BN_bin2bn((const unsigned char *)secret, strlen(secret), bnsecret);
ctx = JPAKE_CTX_new(us, them, p, g, q, bnsecret);
BN_free(bnsecret);
BN_free(q);
BN_free(g);
BN_free(p);
return ctx;
}
static void jpake_send_part(BIO *conn, const JPAKE_STEP_PART *p)
{
BN_print(conn, p->gx);
BIO_puts(conn, "\n");
BN_print(conn, p->zkpx.gr);
BIO_puts(conn, "\n");
BN_print(conn, p->zkpx.b);
BIO_puts(conn, "\n");
}
static void jpake_send_step1(BIO *bconn, JPAKE_CTX *ctx)
{
JPAKE_STEP1 s1;
JPAKE_STEP1_init(&s1);
JPAKE_STEP1_generate(&s1, ctx);
jpake_send_part(bconn, &s1.p1);
jpake_send_part(bconn, &s1.p2);
(void)BIO_flush(bconn);
JPAKE_STEP1_release(&s1);
}
static void jpake_send_step2(BIO *bconn, JPAKE_CTX *ctx)
{
JPAKE_STEP2 s2;
JPAKE_STEP2_init(&s2);
JPAKE_STEP2_generate(&s2, ctx);
jpake_send_part(bconn, &s2);
(void)BIO_flush(bconn);
JPAKE_STEP2_release(&s2);
}
static void jpake_send_step3a(BIO *bconn, JPAKE_CTX *ctx)
{
JPAKE_STEP3A s3a;
JPAKE_STEP3A_init(&s3a);
JPAKE_STEP3A_generate(&s3a, ctx);
BIO_write(bconn, s3a.hhk, sizeof s3a.hhk);
(void)BIO_flush(bconn);
JPAKE_STEP3A_release(&s3a);
}
static void jpake_send_step3b(BIO *bconn, JPAKE_CTX *ctx)
{
JPAKE_STEP3B s3b;
JPAKE_STEP3B_init(&s3b);
JPAKE_STEP3B_generate(&s3b, ctx);
BIO_write(bconn, s3b.hk, sizeof s3b.hk);
(void)BIO_flush(bconn);
JPAKE_STEP3B_release(&s3b);
}
static void readbn(BIGNUM **bn, BIO *bconn)
{
char buf[10240];
int l;
l = BIO_gets(bconn, buf, sizeof buf);
assert(l > 0);
assert(buf[l - 1] == '\n');
buf[l - 1] = '\0';
BN_hex2bn(bn, buf);
}
static void jpake_receive_part(JPAKE_STEP_PART *p, BIO *bconn)
{
readbn(&p->gx, bconn);
readbn(&p->zkpx.gr, bconn);
readbn(&p->zkpx.b, bconn);
}
static void jpake_receive_step1(JPAKE_CTX *ctx, BIO *bconn)
{
JPAKE_STEP1 s1;
JPAKE_STEP1_init(&s1);
jpake_receive_part(&s1.p1, bconn);
jpake_receive_part(&s1.p2, bconn);
if (!JPAKE_STEP1_process(ctx, &s1)) {
ERR_print_errors(bio_err);
exit(1);
}
JPAKE_STEP1_release(&s1);
}
static void jpake_receive_step2(JPAKE_CTX *ctx, BIO *bconn)
{
JPAKE_STEP2 s2;
JPAKE_STEP2_init(&s2);
jpake_receive_part(&s2, bconn);
if (!JPAKE_STEP2_process(ctx, &s2)) {
ERR_print_errors(bio_err);
exit(1);
}
JPAKE_STEP2_release(&s2);
}
static void jpake_receive_step3a(JPAKE_CTX *ctx, BIO *bconn)
{
JPAKE_STEP3A s3a;
int l;
JPAKE_STEP3A_init(&s3a);
l = BIO_read(bconn, s3a.hhk, sizeof s3a.hhk);
assert(l == sizeof s3a.hhk);
if (!JPAKE_STEP3A_process(ctx, &s3a)) {
ERR_print_errors(bio_err);
exit(1);
}
JPAKE_STEP3A_release(&s3a);
}
static void jpake_receive_step3b(JPAKE_CTX *ctx, BIO *bconn)
{
JPAKE_STEP3B s3b;
int l;
JPAKE_STEP3B_init(&s3b);
l = BIO_read(bconn, s3b.hk, sizeof s3b.hk);
assert(l == sizeof s3b.hk);
if (!JPAKE_STEP3B_process(ctx, &s3b)) {
ERR_print_errors(bio_err);
exit(1);
}
JPAKE_STEP3B_release(&s3b);
}
void jpake_client_auth(BIO *out, BIO *conn, const char *secret)
{
JPAKE_CTX *ctx;
BIO *bconn;
BIO_puts(out, "Authenticating with JPAKE\n");
ctx = jpake_init("client", "server", secret);
bconn = BIO_new(BIO_f_buffer());
BIO_push(bconn, conn);
jpake_send_step1(bconn, ctx);
jpake_receive_step1(ctx, bconn);
jpake_send_step2(bconn, ctx);
jpake_receive_step2(ctx, bconn);
jpake_send_step3a(bconn, ctx);
jpake_receive_step3b(ctx, bconn);
BIO_puts(out, "JPAKE authentication succeeded, setting PSK\n");
if (psk_key)
OPENSSL_free(psk_key);
psk_key = BN_bn2hex(JPAKE_get_shared_key(ctx));
BIO_pop(bconn);
BIO_free(bconn);
JPAKE_CTX_free(ctx);
}
void jpake_server_auth(BIO *out, BIO *conn, const char *secret)
{
JPAKE_CTX *ctx;
BIO *bconn;
BIO_puts(out, "Authenticating with JPAKE\n");
ctx = jpake_init("server", "client", secret);
bconn = BIO_new(BIO_f_buffer());
BIO_push(bconn, conn);
jpake_receive_step1(ctx, bconn);
jpake_send_step1(bconn, ctx);
jpake_receive_step2(ctx, bconn);
jpake_send_step2(bconn, ctx);
jpake_receive_step3a(ctx, bconn);
jpake_send_step3b(bconn, ctx);
BIO_puts(out, "JPAKE authentication succeeded, setting PSK\n");
if (psk_key)
OPENSSL_free(psk_key);
psk_key = BN_bn2hex(JPAKE_get_shared_key(ctx));
BIO_pop(bconn);
BIO_free(bconn);
JPAKE_CTX_free(ctx);
}
#endif
#ifndef OPENSSL_NO_TLSEXT
/*-
* next_protos_parse parses a comma separated list of strings into a string
* in a format suitable for passing to SSL_CTX_set_next_protos_advertised.
* outlen: (output) set to the length of the resulting buffer on success.
* err: (maybe NULL) on failure, an error message line is written to this BIO.
* in: a NUL termianted string like "abc,def,ghi"
*
* returns: a malloced buffer or NULL on failure.
*/
unsigned char *next_protos_parse(unsigned short *outlen, const char *in)
{
size_t len;
unsigned char *out;
size_t i, start = 0;
len = strlen(in);
if (len >= 65535)
return NULL;
out = OPENSSL_malloc(strlen(in) + 1);
if (!out)
return NULL;
for (i = 0; i <= len; ++i) {
if (i == len || in[i] == ',') {
if (i - start > 255) {
OPENSSL_free(out);
return NULL;
}
out[start] = i - start;
start = i + 1;
} else
out[i + 1] = in[i];
}
*outlen = len + 1;
return out;
}
#endif /* ndef OPENSSL_NO_TLSEXT */
#ifdef ONLY_IN_OPENSSL_APPS
/* Get first http URL from a DIST_POINT structure */
static const char *get_dp_url(DIST_POINT *dp)
{
GENERAL_NAMES *gens;
GENERAL_NAME *gen;
int i, gtype;
ASN1_STRING *uri;
if (!dp->distpoint || dp->distpoint->type != 0)
return NULL;
gens = dp->distpoint->name.fullname;
for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) {
gen = sk_GENERAL_NAME_value(gens, i);
uri = GENERAL_NAME_get0_value(gen, &gtype);
if (gtype == GEN_URI && ASN1_STRING_length(uri) > 6) {
char *uptr = (char *)ASN1_STRING_data(uri);
if (!strncmp(uptr, "http://", 7))
return uptr;
}
}
return NULL;
}
/*
* Look through a CRLDP structure and attempt to find an http URL to
* downloads a CRL from.
*/
static X509_CRL *load_crl_crldp(STACK_OF(DIST_POINT) *crldp)
{
int i;
const char *urlptr = NULL;
for (i = 0; i < sk_DIST_POINT_num(crldp); i++) {
DIST_POINT *dp = sk_DIST_POINT_value(crldp, i);
urlptr = get_dp_url(dp);
if (urlptr)
return load_crl(urlptr, FORMAT_HTTP);
}
return NULL;
}
/*
* Example of downloading CRLs from CRLDP: not usable for real world as it
* always downloads, doesn't support non-blocking I/O and doesn't cache
* anything.
*/
static STACK_OF(X509_CRL) *crls_http_cb(X509_STORE_CTX *ctx, X509_NAME *nm)
{
X509 *x;
STACK_OF(X509_CRL) *crls = NULL;
X509_CRL *crl;
STACK_OF(DIST_POINT) *crldp;
x = X509_STORE_CTX_get_current_cert(ctx);
crldp = X509_get_ext_d2i(x, NID_crl_distribution_points, NULL, NULL);
crl = load_crl_crldp(crldp);
sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
if (!crl)
return NULL;
crls = sk_X509_CRL_new_null();
sk_X509_CRL_push(crls, crl);
/* Try to download delta CRL */
crldp = X509_get_ext_d2i(x, NID_freshest_crl, NULL, NULL);
crl = load_crl_crldp(crldp);
sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
if (crl)
sk_X509_CRL_push(crls, crl);
return crls;
}
void store_setup_crl_download(X509_STORE *st)
{
X509_STORE_set_lookup_crls_cb(st, crls_http_cb);
}
#endif
/*
* Platform-specific sections
*/
#if defined(_WIN32)
# ifdef fileno
# undef fileno
# define fileno(a) (int)_fileno(a)
# endif
# include <windows.h>
# include <tchar.h>
static int WIN32_rename(const char *from, const char *to)
{
TCHAR *tfrom = NULL, *tto;
DWORD err;
int ret = 0;
if (sizeof(TCHAR) == 1) {
tfrom = (TCHAR *)from;
tto = (TCHAR *)to;
} else { /* UNICODE path */
size_t i, flen = strlen(from) + 1, tlen = strlen(to) + 1;
tfrom = (TCHAR *)malloc(sizeof(TCHAR) * (flen + tlen));
if (tfrom == NULL)
goto err;
tto = tfrom + flen;
# if !defined(_WIN32_WCE) || _WIN32_WCE>=101
if (!MultiByteToWideChar(CP_ACP, 0, from, flen, (WCHAR *)tfrom, flen))
# endif
for (i = 0; i < flen; i++)
tfrom[i] = (TCHAR)from[i];
# if !defined(_WIN32_WCE) || _WIN32_WCE>=101
if (!MultiByteToWideChar(CP_ACP, 0, to, tlen, (WCHAR *)tto, tlen))
# endif
for (i = 0; i < tlen; i++)
tto[i] = (TCHAR)to[i];
}
if (MoveFile(tfrom, tto))
goto ok;
err = GetLastError();
if (err == ERROR_ALREADY_EXISTS || err == ERROR_FILE_EXISTS) {
if (DeleteFile(tto) && MoveFile(tfrom, tto))
goto ok;
err = GetLastError();
}
if (err == ERROR_FILE_NOT_FOUND || err == ERROR_PATH_NOT_FOUND)
errno = ENOENT;
else if (err == ERROR_ACCESS_DENIED)
errno = EACCES;
else
errno = EINVAL; /* we could map more codes... */
err:
ret = -1;
ok:
if (tfrom != NULL && tfrom != (TCHAR *)from)
free(tfrom);
return ret;
}
#endif
/* app_tminterval section */
#if defined(_WIN32)
double app_tminterval(int stop, int usertime)
{
FILETIME now;
double ret = 0;
static ULARGE_INTEGER tmstart;
static int warning = 1;
# ifdef _WIN32_WINNT
static HANDLE proc = NULL;
if (proc == NULL) {
if (check_winnt())
proc = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE,
GetCurrentProcessId());
if (proc == NULL)
proc = (HANDLE) - 1;
}
if (usertime && proc != (HANDLE) - 1) {
FILETIME junk;
GetProcessTimes(proc, &junk, &junk, &junk, &now);
} else
# endif
{
SYSTEMTIME systime;
if (usertime && warning) {
BIO_printf(bio_err, "To get meaningful results, run "
"this program on idle system.\n");
warning = 0;
}
GetSystemTime(&systime);
SystemTimeToFileTime(&systime, &now);
}
if (stop == TM_START) {
tmstart.u.LowPart = now.dwLowDateTime;
tmstart.u.HighPart = now.dwHighDateTime;
} else {
ULARGE_INTEGER tmstop;
tmstop.u.LowPart = now.dwLowDateTime;
tmstop.u.HighPart = now.dwHighDateTime;
ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart) * 1e-7;
}
return (ret);
}
#elif defined(OPENSSL_SYS_NETWARE)
# include <time.h>
double app_tminterval(int stop, int usertime)
{
double ret = 0;
static clock_t tmstart;
static int warning = 1;
if (usertime && warning) {
BIO_printf(bio_err, "To get meaningful results, run "
"this program on idle system.\n");
warning = 0;
}
if (stop == TM_START)
tmstart = clock();
else
ret = (clock() - tmstart) / (double)CLOCKS_PER_SEC;
return (ret);
}
#elif defined(OPENSSL_SYSTEM_VXWORKS)
# include <time.h>
double app_tminterval(int stop, int usertime)
{
double ret = 0;
# ifdef CLOCK_REALTIME
static struct timespec tmstart;
struct timespec now;
# else
static unsigned long tmstart;
unsigned long now;
# endif
static int warning = 1;
if (usertime && warning) {
BIO_printf(bio_err, "To get meaningful results, run "
"this program on idle system.\n");
warning = 0;
}
# ifdef CLOCK_REALTIME
clock_gettime(CLOCK_REALTIME, &now);
if (stop == TM_START)
tmstart = now;
else
ret = ((now.tv_sec + now.tv_nsec * 1e-9)
- (tmstart.tv_sec + tmstart.tv_nsec * 1e-9));
# else
now = tickGet();
if (stop == TM_START)
tmstart = now;
else
ret = (now - tmstart) / (double)sysClkRateGet();
# endif
return (ret);
}
#elif defined(OPENSSL_SYSTEM_VMS)
# include <time.h>
# include <times.h>
double app_tminterval(int stop, int usertime)
{
static clock_t tmstart;
double ret = 0;
clock_t now;
# ifdef __TMS
struct tms rus;
now = times(&rus);
if (usertime)
now = rus.tms_utime;
# else
if (usertime)
now = clock(); /* sum of user and kernel times */
else {
struct timeval tv;
gettimeofday(&tv, NULL);
now = (clock_t)((unsigned long long)tv.tv_sec * CLK_TCK +
(unsigned long long)tv.tv_usec * (1000000 / CLK_TCK)
);
}
# endif
if (stop == TM_START)
tmstart = now;
else
ret = (now - tmstart) / (double)(CLK_TCK);
return (ret);
}
#elif defined(_SC_CLK_TCK) /* by means of unistd.h */
# include <sys/times.h>
double app_tminterval(int stop, int usertime)
{
double ret = 0;
struct tms rus;
clock_t now = times(&rus);
static clock_t tmstart;
if (usertime)
now = rus.tms_utime;
if (stop == TM_START)
tmstart = now;
else {
long int tck = sysconf(_SC_CLK_TCK);
ret = (now - tmstart) / (double)tck;
}
return (ret);
}
#else
# include <sys/time.h>
# include <sys/resource.h>
double app_tminterval(int stop, int usertime)
{
double ret = 0;
struct rusage rus;
struct timeval now;
static struct timeval tmstart;
if (usertime)
getrusage(RUSAGE_SELF, &rus), now = rus.ru_utime;
else
gettimeofday(&now, NULL);
if (stop == TM_START)
tmstart = now;
else
ret = ((now.tv_sec + now.tv_usec * 1e-6)
- (tmstart.tv_sec + tmstart.tv_usec * 1e-6));
return ret;
}
#endif
/* app_isdir section */
#ifdef _WIN32
int app_isdir(const char *name)
{
HANDLE hList;
WIN32_FIND_DATA FileData;
# if defined(UNICODE) || defined(_UNICODE)
size_t i, len_0 = strlen(name) + 1;
if (len_0 > sizeof(FileData.cFileName) / sizeof(FileData.cFileName[0]))
return -1;
# if !defined(_WIN32_WCE) || _WIN32_WCE>=101
if (!MultiByteToWideChar
(CP_ACP, 0, name, len_0, FileData.cFileName, len_0))
# endif
for (i = 0; i < len_0; i++)
FileData.cFileName[i] = (WCHAR)name[i];
hList = FindFirstFile(FileData.cFileName, &FileData);
# else
hList = FindFirstFile(name, &FileData);
# endif
if (hList == INVALID_HANDLE_VALUE)
return -1;
FindClose(hList);
return ((FileData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) != 0);
}
#else
# include <sys/stat.h>
# ifndef S_ISDIR
# if defined(_S_IFMT) && defined(_S_IFDIR)
# define S_ISDIR(a) (((a) & _S_IFMT) == _S_IFDIR)
# else
# define S_ISDIR(a) (((a) & S_IFMT) == S_IFDIR)
# endif
# endif
int app_isdir(const char *name)
{
# if defined(S_ISDIR)
struct stat st;
if (stat(name, &st) == 0)
return S_ISDIR(st.st_mode);
else
return -1;
# else
return -1;
# endif
}
#endif
/* raw_read|write section */
#if defined(__VMS)
# include "vms_term_sock.h"
static int stdin_sock = -1;
static void close_stdin_sock(void)
{
TerminalSocket (TERM_SOCK_DELETE, &stdin_sock);
}
int fileno_stdin(void)
{
if (stdin_sock == -1) {
TerminalSocket(TERM_SOCK_CREATE, &stdin_sock);
atexit(close_stdin_sock);
}
return stdin_sock;
}
#else
int fileno_stdin(void)
{
return fileno(stdin);
}
#endif
int fileno_stdout(void)
{
return fileno(stdout);
}
#if defined(_WIN32) && defined(STD_INPUT_HANDLE)
int raw_read_stdin(void *buf, int siz)
{
DWORD n;
if (ReadFile(GetStdHandle(STD_INPUT_HANDLE), buf, siz, &n, NULL))
return (n);
else
return (-1);
}
#elif defined(__VMS)
#include <sys/socket.h>
int raw_read_stdin(void *buf, int siz)
{
return recv(fileno_stdin(), buf, siz, 0);
}
#else
int raw_read_stdin(void *buf, int siz)
{
return read(fileno_stdin(), buf, siz);
}
#endif
#if defined(_WIN32) && defined(STD_OUTPUT_HANDLE)
int raw_write_stdout(const void *buf, int siz)
{
DWORD n;
if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), buf, siz, &n, NULL))
return (n);
else
return (-1);
}
#else
int raw_write_stdout(const void *buf, int siz)
{
return write(fileno_stdout(), buf, siz);
}
#endif
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