A local copy of OpenSSL from GitHub
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/*
* Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#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/store.h>
#include <openssl/pkcs12.h>
#include <openssl/ui.h>
#include <openssl/safestack.h>
#ifndef OPENSSL_NO_RSA
# include <openssl/rsa.h>
#endif
#include <openssl/bn.h>
#include <openssl/ssl.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
#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
# include <conio.h>
#endif
#if defined(OPENSSL_SYS_MSDOS) && !defined(_WIN32)
# define _kbhit kbhit
#endif
#define PASS_SOURCE_SIZE_MAX 4
DEFINE_STACK_OF(CONF)
typedef struct {
const char *name;
unsigned long flag;
unsigned long mask;
} NAME_EX_TBL;
static OSSL_LIB_CTX *app_libctx = 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);
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 == '\0')
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, int noCAfile,
const char *CApath, int noCApath,
const char *CAstore, int noCAstore)
{
if (CAfile == NULL && CApath == NULL && CAstore == 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;
if (!noCAstore && SSL_CTX_set_default_verify_store(ctx) <= 0)
return 0;
return 1;
}
if (CAfile != NULL && !SSL_CTX_load_verify_file(ctx, CAfile))
return 0;
if (CApath != NULL && !SSL_CTX_load_verify_dir(ctx, CApath))
return 0;
if (CAstore != NULL && !SSL_CTX_load_verify_store(ctx, CAstore))
return 0;
return 1;
}
#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);
char *get_passwd(const char *pass, const char *desc)
{
char *result = NULL;
if (desc == NULL)
desc = "<unknown>";
if (!app_passwd(pass, NULL, &result, NULL))
BIO_printf(bio_err, "Error getting password for %s\n", desc);
if (pass != NULL && result == NULL) {
BIO_printf(bio_err,
"Trying plain input string (better precede with 'pass:')\n");
result = OPENSSL_strdup(pass);
if (result == NULL)
BIO_printf(bio_err, "Out of memory getting password for %s\n", desc);
}
return result;
}
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 == NULL) {
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);
}
OSSL_LIB_CTX *app_get0_libctx(void)
{
return app_libctx;
}
/* TODO(3.0): Make this an environment variable if required */
const char *app_get0_propq(void)
{
return NULL;
}
OSSL_LIB_CTX *app_create_libctx(void)
{
/*
* Load the NULL provider into the default library context and create a
* library context which will then be used for any OPT_PROV options.
*/
if (app_libctx == NULL) {
if (!app_provider_load(NULL, "null")) {
BIO_puts(bio_err, "Failed to create null provider\n");
return NULL;
}
app_libctx = OSSL_LIB_CTX_new();
}
if (app_libctx == NULL)
BIO_puts(bio_err, "Failed to create library context\n");
return app_libctx;
}
CONF *app_load_config_bio(BIO *in, const char *filename)
{
long errorline = -1;
CONF *conf;
int i;
conf = NCONF_new_ex(app_libctx, 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;
}
CONF *app_load_config_modules(const char *configfile)
{
CONF *conf = NULL;
if (configfile != NULL) {
BIO_printf(bio_err, "Using configuration from %s\n", configfile);
if ((conf = app_load_config(configfile)) == NULL)
return NULL;
if (configfile != default_config_file && !app_load_modules(conf)) {
NCONF_free(conf);
conf = NULL;
}
}
return conf;
}
X509 *load_cert_pass(const char *uri, int maybe_stdin,
const char *pass, const char *desc)
{
X509 *cert = NULL;
if (desc == NULL)
desc = "certificate";
(void)load_key_certs_crls(uri, maybe_stdin, pass, desc,
NULL, NULL, NULL, &cert, NULL, NULL, NULL);
if (cert == NULL) {
BIO_printf(bio_err, "Unable to load %s\n", desc);
ERR_print_errors(bio_err);
}
return cert;
}
/* the format parameter is meanwhile not needed anymore and thus ignored */
X509_CRL *load_crl(const char *uri, const char *desc)
{
X509_CRL *crl = NULL;
if (desc == NULL)
desc = "CRL";
(void)load_key_certs_crls(uri, 0, NULL, desc,
NULL, NULL, NULL, NULL, NULL, &crl, NULL);
if (crl == NULL) {
BIO_printf(bio_err, "Unable to load %s\n", desc);
ERR_print_errors(bio_err);
}
return crl;
}
X509_REQ *load_csr(const char *file, int format, const char *desc)
{
X509_REQ *req = NULL;
BIO *in;
if (desc == NULL)
desc = "CSR";
in = bio_open_default(file, 'r', format);
if (in == NULL)
goto end;
if (format == FORMAT_ASN1)
req = d2i_X509_REQ_bio(in, NULL);
else if (format == FORMAT_PEM)
req = PEM_read_bio_X509_REQ(in, NULL, NULL, NULL);
else
print_format_error(format, OPT_FMT_PEMDER);
end:
if (req == NULL) {
BIO_printf(bio_err, "Unable to load %s\n", desc);
ERR_print_errors(bio_err);
}
BIO_free(in);
return req;
}
void cleanse(char *str)
{
if (str != NULL)
OPENSSL_cleanse(str, strlen(str));
}
void clear_free(char *str)
{
if (str != NULL)
OPENSSL_clear_free(str, strlen(str));
}
EVP_PKEY *load_key(const char *uri, int format, int may_stdin,
const char *pass, ENGINE *e, const char *desc)
{
EVP_PKEY *pkey = NULL;
if (desc == NULL)
desc = "private key";
if (format == FORMAT_ENGINE) {
if (e == NULL) {
BIO_printf(bio_err, "No engine specified for loading %s\n", desc);
} else {
pkey = load_engine_private_key(e, uri, pass, desc);
if (pkey == NULL) {
BIO_printf(bio_err, "Cannot load %s from engine\n", desc);
ERR_print_errors(bio_err);
}
}
} else {
(void)load_key_certs_crls(uri, may_stdin, pass, desc,
&pkey, NULL, NULL, NULL, NULL, NULL, NULL);
}
if (pkey == NULL) {
BIO_printf(bio_err, "Unable to load %s\n", desc);
ERR_print_errors(bio_err);
}
return pkey;
}
EVP_PKEY *load_pubkey(const char *uri, int format, int maybe_stdin,
const char *pass, ENGINE *e, const char *desc)
{
EVP_PKEY *pkey = NULL;
if (desc == NULL)
desc = "public key";
if (format == FORMAT_ENGINE) {
if (e == NULL) {
BIO_printf(bio_err, "No engine specified for loading %s\n", desc);
} else {
pkey = load_engine_public_key(e, uri, pass, desc);
if (pkey == NULL) {
BIO_printf(bio_err, "Cannot load %s from engine\n", desc);
ERR_print_errors(bio_err);
}
}
} else {
(void)load_key_certs_crls(uri, maybe_stdin, pass, desc,
NULL, &pkey, NULL, NULL, NULL, NULL, NULL);
}
if (pkey == NULL) {
BIO_printf(bio_err, "Unable to load %s\n", desc);
ERR_print_errors(bio_err);
}
return pkey;
}
EVP_PKEY *load_keyparams(const char *uri, int maybe_stdin, const char *desc)
{
EVP_PKEY *params = NULL;
if (desc == NULL)
desc = "key parameters";
(void)load_key_certs_crls(uri, maybe_stdin, NULL, desc,
NULL, NULL, &params, NULL, NULL, NULL, NULL);
if (params == NULL) {
BIO_printf(bio_err, "Unable to load %s\n", desc);
ERR_print_errors(bio_err);
}
return params;
}
void app_bail_out(char *fmt, ...)
{
va_list args;
va_start(args, fmt);
BIO_vprintf(bio_err, fmt, args);
va_end(args);
ERR_print_errors(bio_err);
exit(1);
}
void* app_malloc(int sz, const char *what)
{
void *vp = OPENSSL_malloc(sz);
if (vp == NULL)
app_bail_out("%s: Could not allocate %d bytes for %s\n",
opt_getprog(), sz, what);
return vp;
}
/*
* Initialize or extend, if *certs != NULL, a certificate stack.
* The caller is responsible for freeing *certs if its value is left not NULL.
*/
int load_certs(const char *uri, STACK_OF(X509) **certs,
const char *pass, const char *desc)
{
int was_NULL = *certs == NULL;
int ret = load_key_certs_crls(uri, 0, pass, desc, NULL, NULL, NULL,
NULL, certs, NULL, NULL);
if (!ret && was_NULL) {
sk_X509_pop_free(*certs, X509_free);
*certs = NULL;
}
return ret;
}
/*
* Initialize or extend, if *crls != NULL, a certificate stack.
* The caller is responsible for freeing *crls if its value is left not NULL.
*/
int load_crls(const char *uri, STACK_OF(X509_CRL) **crls,
const char *pass, const char *desc)
{
int was_NULL = *crls == NULL;
int ret = load_key_certs_crls(uri, 0, pass, desc, NULL, NULL, NULL,
NULL, NULL, NULL, crls);
if (!ret && was_NULL) {
sk_X509_CRL_pop_free(*crls, X509_CRL_free);
*crls = NULL;
}
return ret;
}
/*
* Load those types of credentials for which the result pointer is not NULL.
* Reads from stdio if uri is NULL and maybe_stdin is nonzero.
* For non-NULL ppkey, pcert, and pcrl the first suitable value found is loaded.
* If pcerts is non-NULL and *pcerts == NULL then a new cert list is allocated.
* If pcerts is non-NULL then all available certificates are appended to *pcerts
* except any certificate assigned to *pcert.
* If pcrls is non-NULL and *pcrls == NULL then a new list of CRLs is allocated.
* If pcrls is non-NULL then all available CRLs are appended to *pcerts
* except any CRL assigned to *pcrl.
* In any case (also on error) the caller is responsible for freeing all members
* of *pcerts and *pcrls (as far as they are not NULL).
*/
int load_key_certs_crls(const char *uri, int maybe_stdin,
const char *pass, const char *desc,
EVP_PKEY **ppkey, EVP_PKEY **ppubkey,
EVP_PKEY **pparams,
X509 **pcert, STACK_OF(X509) **pcerts,
X509_CRL **pcrl, STACK_OF(X509_CRL) **pcrls)
{
PW_CB_DATA uidata;
OSSL_STORE_CTX *ctx = NULL;
OSSL_LIB_CTX *libctx = app_get0_libctx();
const char *propq = app_get0_propq();
int ncerts = 0;
int ncrls = 0;
const char *failed =
ppkey != NULL ? "key" : ppubkey != NULL ? "public key" :
pcert != NULL ? "cert" : pcrl != NULL ? "CRL" :
pcerts != NULL ? "certs" : pcrls != NULL ? "CRLs" : NULL;
/* TODO make use of the engine reference 'eng' when loading pkeys */
if (ppkey != NULL)
*ppkey = NULL;
if (ppubkey != NULL)
*ppubkey = NULL;
if (pcert != NULL)
*pcert = NULL;
if (failed == NULL) {
BIO_printf(bio_err, "Internal error: nothing to load into from %s\n",
uri != NULL ? uri : "<stdin>");
return 0;
}
if (pcerts != NULL && *pcerts == NULL
&& (*pcerts = sk_X509_new_null()) == NULL) {
BIO_printf(bio_err, "Out of memory loading");
goto end;
}
if (pcrl != NULL)
*pcrl = NULL;
if (pcrls != NULL && *pcrls == NULL
&& (*pcrls = sk_X509_CRL_new_null()) == NULL) {
BIO_printf(bio_err, "Out of memory loading");
goto end;
}
uidata.password = pass;
uidata.prompt_info = uri;
if (uri == NULL) {
BIO *bio;
if (!maybe_stdin) {
BIO_printf(bio_err, "No filename or uri specified for loading");
goto end;
}
uri = "<stdin>";
unbuffer(stdin);
bio = BIO_new_fp(stdin, 0);
if (bio != NULL)
ctx = OSSL_STORE_attach(bio, "file", libctx, propq,
get_ui_method(), &uidata, NULL, NULL);
} else {
ctx = OSSL_STORE_open_ex(uri, libctx, propq, get_ui_method(), &uidata,
NULL, NULL);
}
if (ctx == NULL) {
BIO_printf(bio_err, "Could not open file or uri for loading");
goto end;
}
failed = NULL;
while (!OSSL_STORE_eof(ctx)) {
OSSL_STORE_INFO *info = OSSL_STORE_load(ctx);
int type, ok = 1;
if (info == NULL)
break;
type = OSSL_STORE_INFO_get_type(info);
switch (type) {
case OSSL_STORE_INFO_PKEY:
if (ppkey != NULL && *ppkey == NULL)
ok = (*ppkey = OSSL_STORE_INFO_get1_PKEY(info)) != NULL;
/*
* An EVP_PKEY with private parts also holds the public parts,
* so if the caller asked for a public key, and we got a private
* key, we can still pass it back.
*/
if (ok && ppubkey != NULL && *ppubkey == NULL)
ok = ((*ppubkey = OSSL_STORE_INFO_get1_PKEY(info)) != NULL);
break;
case OSSL_STORE_INFO_PUBKEY:
if (ppubkey != NULL && *ppubkey == NULL)
ok = ((*ppubkey = OSSL_STORE_INFO_get1_PUBKEY(info)) != NULL);
break;
case OSSL_STORE_INFO_PARAMS:
if (pparams != NULL && *pparams == NULL)
ok = ((*pparams = OSSL_STORE_INFO_get1_PARAMS(info)) != NULL);
break;
case OSSL_STORE_INFO_CERT:
if (pcert != NULL && *pcert == NULL)
ok = (*pcert = OSSL_STORE_INFO_get1_CERT(info)) != NULL;
else if (pcerts != NULL)
ok = X509_add_cert(*pcerts,
OSSL_STORE_INFO_get1_CERT(info),
X509_ADD_FLAG_DEFAULT);
ncerts += ok;
break;
case OSSL_STORE_INFO_CRL:
if (pcrl != NULL && *pcrl == NULL)
ok = (*pcrl = OSSL_STORE_INFO_get1_CRL(info)) != NULL;
else if (pcrls != NULL)
ok = sk_X509_CRL_push(*pcrls, OSSL_STORE_INFO_get1_CRL(info));
ncrls += ok;
break;
default:
/* skip any other type */
break;
}
OSSL_STORE_INFO_free(info);
if (!ok) {
failed = info == NULL ? NULL : OSSL_STORE_INFO_type_string(type);
BIO_printf(bio_err, "Error reading");
break;
}
}
end:
OSSL_STORE_close(ctx);
if (failed == NULL) {
int any = 0;
if ((ppkey != NULL && *ppkey == NULL)
|| (ppubkey != NULL && *ppubkey == NULL)) {
failed = "key";
} else if (pparams != NULL && *pparams == NULL) {
failed = "params";
} else if ((pcert != NULL || pcerts != NULL) && ncerts == 0) {
if (pcert == NULL)
any = 1;
failed = "cert";
} else if ((pcrl != NULL || pcrls != NULL) && ncrls == 0) {
if (pcrl == NULL)
any = 1;
failed = "CRL";
}
if (failed != NULL)
BIO_printf(bio_err, "Could not read");
if (any)
BIO_printf(bio_err, " any");
}
if (failed != NULL) {
if (desc != NULL && strstr(desc, failed) != NULL) {
BIO_printf(bio_err, " %s", desc);
} else {
BIO_printf(bio_err, " %s", failed);
if (desc != NULL)
BIO_printf(bio_err, " of %s", desc);
}
if (uri != NULL)
BIO_printf(bio_err, " from %s", uri);
BIO_printf(bio_err, "\n");
ERR_print_errors(bio_err);
}
return failed == NULL;
}
#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;
}
void print_name(BIO *out, const char *title, const 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");
}
}
void print_bignum_var(BIO *out, const BIGNUM *in, const char *var,
int len, unsigned char *buffer)
{
BIO_printf(out, " static unsigned char %s_%d[] = {", var, len);
if (BN_is_zero(in)) {
BIO_printf(out, "\n 0x00");
} else {
int i, l;
l = BN_bn2bin(in, buffer);
for (i = 0; i < l; i++) {
BIO_printf(out, (i % 10) == 0 ? "\n " : " ");
if (i < l - 1)
BIO_printf(out, "0x%02X,", buffer[i]);
else
BIO_printf(out, "0x%02X", buffer[i]);
}
}
BIO_printf(out, "\n };\n");
}
void print_array(BIO *out, const char* title, int len, const unsigned char* d)
{
int i;
BIO_printf(out, "unsigned char %s[%d] = {", title, len);
for (i = 0; i < len; i++) {
if ((i % 10) == 0)
BIO_printf(out, "\n ");
if (i < len - 1)
BIO_printf(out, "0x%02X, ", d[i]);
else
BIO_printf(out, "0x%02X", d[i]);
}
BIO_printf(out, "\n};\n");
}
X509_STORE *setup_verify(const char *CAfile, int noCAfile,
const char *CApath, int noCApath,
const char *CAstore, int noCAstore)
{
X509_STORE *store = X509_STORE_new();
X509_LOOKUP *lookup;
OSSL_LIB_CTX *libctx = app_get0_libctx();
const char *propq = app_get0_propq();
if (store == NULL)
goto end;
if (CAfile != NULL || !noCAfile) {
lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file());
if (lookup == NULL)
goto end;
if (CAfile != NULL) {
if (!X509_LOOKUP_load_file_ex(lookup, CAfile, X509_FILETYPE_PEM,
libctx, propq)) {
BIO_printf(bio_err, "Error loading file %s\n", CAfile);
goto end;
}
} else {
X509_LOOKUP_load_file_ex(lookup, NULL, X509_FILETYPE_DEFAULT,
libctx, propq);
}
}
if (CApath != NULL || !noCApath) {
lookup = X509_STORE_add_lookup(store, X509_LOOKUP_hash_dir());
if (lookup == NULL)
goto end;
if (CApath != NULL) {
if (!X509_LOOKUP_add_dir(lookup, CApath, X509_FILETYPE_PEM)) {
BIO_printf(bio_err, "Error loading directory %s\n", CApath);
goto end;
}
} else {
X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT);
}
}
if (CAstore != NULL || !noCAstore) {
lookup = X509_STORE_add_lookup(store, X509_LOOKUP_store());
if (lookup == NULL)
goto end;
if (!X509_LOOKUP_add_store_ex(lookup, CAstore, libctx, propq)) {
if (CAstore != NULL)
BIO_printf(bio_err, "Error loading store URI %s\n", CAstore);
goto end;
}
}
ERR_clear_error();
return store;
end:
ERR_print_errors(bio_err);
X509_STORE_free(store);
return NULL;
}
static unsigned long index_serial_hash(const OPENSSL_CSTRING *a)
{
const char *n;
n = a[DB_serial];
while (*n == '0')
n++;
return OPENSSL_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 OPENSSL_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(const char *serialfile, int create, ASN1_INTEGER **retai)
{
BIO *in = NULL;
BIGNUM *ret = NULL;
char buf[1024];
ASN1_INTEGER *ai = NULL;
ai = ASN1_INTEGER_new();
if (ai == NULL)
goto err;
in = BIO_new_file(serialfile, "r");
if (in == NULL) {
if (!create) {
perror(serialfile);
goto err;
}
ERR_clear_error();
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:
ERR_print_errors(bio_err);
BIO_free(in);
ASN1_INTEGER_free(ai);
return ret;
}
int save_serial(const char *serialfile, const char *suffix, const 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)
OPENSSL_strlcpy(buf[0], serialfile, BSIZE);
else {
#ifndef OPENSSL_SYS_VMS
j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, suffix);
#else
j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, suffix);
#endif
}
out = BIO_new_file(buf[0], "w");
if (out == NULL) {
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 (!ret)
ERR_print_errors(bio_err);
BIO_free_all(out);
ASN1_INTEGER_free(ai);
return ret;
}
int rotate_serial(const char *serialfile, const char *new_suffix,
const char *old_suffix)
{
char buf[2][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 = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, new_suffix);
j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", serialfile, old_suffix);
#else
j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, new_suffix);
j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", serialfile, old_suffix);
#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;
}
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:
ERR_print_errors(bio_err);
return 0;
}
int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
{
BIGNUM *btmp;
int ret = 0;
btmp = b == NULL ? BN_new() : b;
if (btmp == NULL)
return 0;
if (!BN_rand(btmp, SERIAL_RAND_BITS, BN_RAND_TOP_ANY, BN_RAND_BOTTOM_ANY))
goto error;
if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
goto error;
ret = 1;
error:
if (btmp != b)
BN_free(btmp);
return ret;
}
CA_DB *load_index(const char *dbfile, DB_ATTR *db_attr)
{
CA_DB *retdb = NULL;
TXT_DB *tmpdb = NULL;
BIO *in;
CONF *dbattr_conf = NULL;
char buf[BSIZE];
#ifndef OPENSSL_NO_POSIX_IO
FILE *dbfp;
struct stat dbst;
#endif
in = BIO_new_file(dbfile, "r");
if (in == NULL)
goto err;
#ifndef OPENSSL_NO_POSIX_IO
BIO_get_fp(in, &dbfp);
if (fstat(fileno(dbfp), &dbst) == -1) {
ERR_raise_data(ERR_LIB_SYS, errno,
"calling fstat(%s)", dbfile);
goto err;
}
#endif
if ((tmpdb = TXT_DB_read(in, DB_NUMBER)) == NULL)
goto err;
#ifndef OPENSSL_SYS_VMS
BIO_snprintf(buf, sizeof(buf), "%s.attr", dbfile);
#else
BIO_snprintf(buf, sizeof(buf), "%s-attr", dbfile);
#endif
dbattr_conf = app_load_config_quiet(buf);
retdb = app_malloc(sizeof(*retdb), "new DB");
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) {
retdb->attributes.unique_subject = parse_yesno(p, 1);
}
}
retdb->dbfname = OPENSSL_strdup(dbfile);
#ifndef OPENSSL_NO_POSIX_IO
retdb->dbst = dbst;
#endif
err:
ERR_print_errors(bio_err);
NCONF_free(dbattr_conf);
TXT_DB_free(tmpdb);
BIO_free_all(in);
return retdb;
}
/*
* Returns > 0 on success, <= 0 on error
*/
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);
goto err;
}
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);
goto err;
}
return 1;
err:
ERR_print_errors(bio_err);
return 0;
}
int save_index(const char *dbfile, const char *suffix, CA_DB *db)
{
char buf[3][BSIZE];
BIO *out;
int j;
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 = BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr", dbfile);
j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.attr.%s", dbfile, suffix);
j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, suffix);
#else
j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr", dbfile);
j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-attr-%s", dbfile, suffix);
j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, suffix);
#endif
out = BIO_new_file(buf[0], "w");
if (out == NULL) {
perror(dbfile);
BIO_printf(bio_err, "Unable to open '%s'\n", dbfile);
goto err;
}
j = TXT_DB_write(out, db->db);
BIO_free(out);
if (j <= 0)
goto err;
out = BIO_new_file(buf[1], "w");
if (out == NULL) {
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:
ERR_print_errors(bio_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 = BIO_snprintf(buf[4], sizeof(buf[4]), "%s.attr", dbfile);
j = BIO_snprintf(buf[3], sizeof(buf[3]), "%s.attr.%s", dbfile, old_suffix);
j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr.%s", dbfile, new_suffix);
j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", dbfile, old_suffix);
j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, new_suffix);
#else
j = BIO_snprintf(buf[4], sizeof(buf[4]), "%s-attr", dbfile);
j = BIO_snprintf(buf[3], sizeof(buf[3]), "%s-attr-%s", dbfile, old_suffix);
j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr-%s", dbfile, new_suffix);
j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", dbfile, old_suffix);
j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, new_suffix);
#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;
}
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;
}
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;
}
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:
ERR_print_errors(bio_err);
return 0;
}
void free_index(CA_DB *db)
{
if (db) {
TXT_DB_free(db->db);
OPENSSL_free(db->dbfname);
OPENSSL_free(db);
}
}
int parse_yesno(const char *str, int def)
{
if (str) {
switch (*str) {
case 'f': /* false */
case 'F': /* FALSE */
case 'n': /* no */
case 'N': /* NO */
case '0': /* 0 */
return 0;
case 't': /* true */
case 'T': /* TRUE */
case 'y': /* yes */
case 'Y': /* YES */
case '1': /* 1 */
return 1;
}
}
return def;
}
/*
* name is expected to be in the format /type0=value0/type1=value1/type2=...
* where + can be used instead of / to form multi-valued RDNs if canmulti
* and characters may be escaped by \
*/
X509_NAME *parse_name(const char *cp, int chtype, int canmulti,
const char *desc)
{
int nextismulti = 0;
char *work;
X509_NAME *n;
if (*cp++ != '/') {
BIO_printf(bio_err,
"%s: %s name is expected to be in the format "
"/type0=value0/type1=value1/type2=... where characters may "
"be escaped by \\. This name is not in that format: '%s'\n",
opt_getprog(), desc, --cp);
return NULL;
}
n = X509_NAME_new();
if (n == NULL) {
BIO_printf(bio_err, "%s: Out of memory\n", opt_getprog());
return NULL;
}
work = OPENSSL_strdup(cp);
if (work == NULL) {
BIO_printf(bio_err, "%s: Error copying %s name input\n",
opt_getprog(), desc);
goto err;
}
while (*cp != '\0') {
char *bp = work;
char *typestr = bp;
unsigned char *valstr;
int nid;
int ismulti = nextismulti;
nextismulti = 0;
/* Collect the type */
while (*cp != '\0' && *cp != '=')
*bp++ = *cp++;
*bp++ = '\0';
if (*cp == '\0') {
BIO_printf(bio_err,
"%s: Missing '=' after RDN type string '%s' in %s name string\n",
opt_getprog(), typestr, desc);
goto err;
}
++cp;
/* Collect the value. */
valstr = (unsigned char *)bp;
for (; *cp != '\0' && *cp != '/'; *bp++ = *cp++) {
/* unescaped '+' symbol string signals further member of multiRDN */
if (canmulti && *cp == '+') {
nextismulti = 1;
break;
}
if (*cp == '\\' && *++cp == '\0') {
BIO_printf(bio_err,
"%s: Escape character at end of %s name string\n",
opt_getprog(), desc);
goto err;
}
}
*bp++ = '\0';
/* If not at EOS (must be + or /), move forward. */
if (*cp != '\0')
++cp;
/* Parse */
nid = OBJ_txt2nid(typestr);
if (nid == NID_undef) {
BIO_printf(bio_err,
"%s: Skipping unknown %s name attribute \"%s\"\n",
opt_getprog(), desc, typestr);
if (ismulti)
BIO_printf(bio_err,
"Hint: a '+' in a value string needs be escaped using '\\' else a new member of a multi-valued RDN is expected\n");
continue;
}
if (*valstr == '\0') {
BIO_printf(bio_err,
"%s: No value provided for %s name attribute \"%s\", skipped\n",
opt_getprog(), desc, typestr);
continue;
}
if (!X509_NAME_add_entry_by_NID(n, nid, chtype,
valstr, strlen((char *)valstr),
-1, ismulti ? -1 : 0)) {
ERR_print_errors(bio_err);
BIO_printf(bio_err,
"%s: Error adding %s name attribute \"/%s=%s\"\n",
opt_getprog(), desc, typestr ,valstr);
goto err;
}
}
OPENSSL_free(work);
return n;
err:
X509_NAME_free(n);
OPENSSL_free(work);
return NULL;
}
/*
* 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 == NULL)
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;
}
int pkey_ctrl_string(EVP_PKEY_CTX *ctx, const char *value)
{
int rv;
char *stmp, *vtmp = NULL;
stmp = OPENSSL_strdup(value);
if (!stmp)
return -1;
vtmp = strchr(stmp, ':');
if (vtmp) {
*vtmp = 0;
vtmp++;
}
rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp);
OPENSSL_free(stmp);
return rv;
}
static void nodes_print(const char *name, STACK_OF(X509_POLICY_NODE) *nodes)
{
X509_POLICY_NODE *node;
int i;
BIO_printf(bio_err, "%s Policies:", name);
if (nodes) {
BIO_puts(bio_err, "\n");
for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++) {
node = sk_X509_POLICY_NODE_value(nodes, i);
X509_POLICY_NODE_print(bio_err, node, 2);
}
} else {
BIO_puts(bio_err, " <empty>\n");
}
}
void policies_print(X509_STORE_CTX *ctx)
{
X509_POLICY_TREE *tree;
int explicit_policy;
tree = X509_STORE_CTX_get0_policy_tree(ctx);
explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
BIO_printf(bio_err, "Require explicit Policy: %s\n",
explicit_policy ? "True" : "False");
nodes_print("Authority", X509_policy_tree_get0_policies(tree));
nodes_print("User", X509_policy_tree_get0_user_policies(tree));
}
/*-
* 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 terminated string like "abc,def,ghi"
*
* returns: a malloc'd buffer or NULL on failure.
*/
unsigned char *next_protos_parse(size_t *outlen, const char *in)
{
size_t len;
unsigned char *out;
size_t i, start = 0;
size_t skipped = 0;
len = strlen(in);
if (len == 0 || len >= 65535)
return NULL;
out = app_malloc(len + 1, "NPN buffer");
for (i = 0; i <= len; ++i) {
if (i == len || in[i] == ',') {
/*
* Zero-length ALPN elements are invalid on the wire, we could be
* strict and reject the entire string, but just ignoring extra
* commas seems harmless and more friendly.
*
* Every comma we skip in this way puts the input buffer another
* byte ahead of the output buffer, so all stores into the output
* buffer need to be decremented by the number commas skipped.
*/
if (i == start) {
++start;
++skipped;
continue;
}
if (i - start > 255) {
OPENSSL_free(out);
return NULL;
}
out[start-skipped] = (unsigned char)(i - start);
start = i + 1;
} else {
out[i + 1 - skipped] = in[i];
}
}
if (len <= skipped) {
OPENSSL_free(out);
return NULL;
}
*outlen = len + 1 - skipped;
return out;
}
void print_cert_checks(BIO *bio, X509 *x,
const char *checkhost,
const char *checkemail, const char *checkip)
{
if (x == NULL)
return;
if (checkhost) {
BIO_printf(bio, "Hostname %s does%s match certificate\n",
checkhost,
X509_check_host(x, checkhost, 0, 0, NULL) == 1
? "" : " NOT");
}
if (checkemail) {
BIO_printf(bio, "Email %s does%s match certificate\n",
checkemail, X509_check_email(x, checkemail, 0, 0)
? "" : " NOT");
}
if (checkip) {
BIO_printf(bio, "IP %s does%s match certificate\n",
checkip, X509_check_ip_asc(x, checkip, 0) ? "" : " NOT");
}
}
/* 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) {
const char *uptr = (const char *)ASN1_STRING_get0_data(uri);
if (strncmp(uptr, "http://", 7) == 0)
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, "CRL via CDP");
}
return NULL;
}
/*
* Example of downloading CRLs from CRLDP:
* not usable for real world as it always downloads and doesn't cache anything.
*/
static STACK_OF(X509_CRL) *crls_http_cb(const X509_STORE_CTX *ctx,
const X509_NAME *nm)
{
X509 *x;
STACK_OF(X509_CRL) *crls = NULL;
X509_CRL *crl;
STACK_OF(DIST_POINT) *crldp;
crls = sk_X509_CRL_new_null();
if (!crls)
return NULL;
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) {
sk_X509_CRL_free(crls);
return 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);
}
#ifndef OPENSSL_NO_SOCK
static const char *tls_error_hint(void)
{
unsigned long err = ERR_peek_error();
if (ERR_GET_LIB(err) != ERR_LIB_SSL)
err = ERR_peek_last_error();
if (ERR_GET_LIB(err) != ERR_LIB_SSL)
return NULL;
switch (ERR_GET_REASON(err)) {
case SSL_R_WRONG_VERSION_NUMBER:
return "The server does not support (a suitable version of) TLS";
case SSL_R_UNKNOWN_PROTOCOL:
return "The server does not support HTTPS";
case SSL_R_CERTIFICATE_VERIFY_FAILED:
return "Cannot authenticate server via its TLS certificate, likely due to mismatch with our trusted TLS certs or missing revocation status";
case SSL_AD_REASON_OFFSET + TLS1_AD_UNKNOWN_CA:
return "Server did not accept our TLS certificate, likely due to mismatch with server's trust anchor or missing revocation status";
case SSL_AD_REASON_OFFSET + SSL3_AD_HANDSHAKE_FAILURE:
return "TLS handshake failure. Possibly the server requires our TLS certificate but did not receive it";
default: /* no error or no hint available for error */
return NULL;
}
}
/* HTTP callback function that supports TLS connection also via HTTPS proxy */
BIO *app_http_tls_cb(BIO *hbio, void *arg, int connect, int detail)
{
APP_HTTP_TLS_INFO *info = (APP_HTTP_TLS_INFO *)arg;
SSL_CTX *ssl_ctx = info->ssl_ctx;
SSL *ssl;
BIO *sbio = NULL;
if (connect && detail) { /* connecting with TLS */
if ((info->use_proxy
&& !OSSL_HTTP_proxy_connect(hbio, info->server, info->port,
NULL, NULL, /* no proxy credentials */
info->timeout, bio_err, opt_getprog()))
|| (sbio = BIO_new(BIO_f_ssl())) == NULL) {
return NULL;
}
if (ssl_ctx == NULL || (ssl = SSL_new(ssl_ctx)) == NULL) {
BIO_free(sbio);
return NULL;
}
SSL_set_tlsext_host_name(ssl, info->server);
SSL_set_connect_state(ssl);
BIO_set_ssl(sbio, ssl, BIO_CLOSE);
hbio = BIO_push(sbio, hbio);
} else if (!connect && !detail) { /* disconnecting after error */
const char *hint = tls_error_hint();
if (hint != NULL)
ERR_add_error_data(2, " : ", hint);
/*
* If we pop sbio and BIO_free() it this may lead to libssl double free.
* Rely on BIO_free_all() done by OSSL_HTTP_transfer() in http_client.c
*/
}
return hbio;
}
ASN1_VALUE *app_http_get_asn1(const char *url, const char *proxy,
const char *no_proxy, SSL_CTX *ssl_ctx,
const STACK_OF(CONF_VALUE) *headers,
long timeout, const char *expected_content_type,
const ASN1_ITEM *it)
{
APP_HTTP_TLS_INFO info;
char *server;
char *port;
int use_ssl;
ASN1_VALUE *resp = NULL;
if (url == NULL || it == NULL) {
HTTPerr(0, ERR_R_PASSED_NULL_PARAMETER);
return NULL;
}
if (!OSSL_HTTP_parse_url(url, &server, &port, NULL, NULL, &use_ssl))
return NULL;
if (use_ssl && ssl_ctx == NULL) {
HTTPerr(0, ERR_R_PASSED_NULL_PARAMETER);
ERR_add_error_data(1, "missing SSL_CTX");
goto end;
}
info.server = server;
info.port = port;
info.use_proxy = proxy != NULL;
info.timeout = timeout;
info.ssl_ctx = ssl_ctx;
resp = OSSL_HTTP_get_asn1(url, proxy, no_proxy,
NULL, NULL, app_http_tls_cb, &info,
headers, 0 /* maxline */, 0 /* max_resp_len */,
timeout, expected_content_type, it);
end:
OPENSSL_free(server);
OPENSSL_free(port);
return resp;
}
ASN1_VALUE *app_http_post_asn1(const char *host, const char *port,
const char *path, const char *proxy,
const char *no_proxy, SSL_CTX *ssl_ctx,
const STACK_OF(CONF_VALUE) *headers,
const char *content_type,
ASN1_VALUE *req, const ASN1_ITEM *req_it,
long timeout, const ASN1_ITEM *rsp_it)
{
APP_HTTP_TLS_INFO info;
info.server = host;
info.port = port;
info.use_proxy = proxy != NULL;
info.timeout = timeout;
info.ssl_ctx = ssl_ctx;
return OSSL_HTTP_post_asn1(host, port, path, ssl_ctx != NULL,
proxy, no_proxy,
NULL, NULL, app_http_tls_cb, &info,
headers, content_type, req, req_it,
0 /* maxline */,
0 /* max_resp_len */, timeout, NULL, rsp_it);
}
#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 = malloc(sizeof(*tfrom) * (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_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(_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
int app_access(const char* name, int flag)
{
#ifdef _WIN32
return _access(name, flag);
#else
return access(name, flag);
#endif
}
int app_isdir(const char *name)
{
return opt_isdir(name);
}
/* 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
# if defined(__TANDEM)
# if defined(OPENSSL_TANDEM_FLOSS)
# include <floss.h(floss_read)>
# endif
# endif
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;
}
#elif defined(OPENSSL_SYS_TANDEM) && defined(OPENSSL_THREADS) && defined(_SPT_MODEL_)
# if defined(__TANDEM)
# if defined(OPENSSL_TANDEM_FLOSS)
# include <floss.h(floss_write)>
# endif
# endif
int raw_write_stdout(const void *buf,int siz)
{
return write(fileno(stdout),(void*)buf,siz);
}
#else
# if defined(__TANDEM)
# if defined(OPENSSL_TANDEM_FLOSS)
# include <floss.h(floss_write)>
# endif
# endif
int raw_write_stdout(const void *buf, int siz)
{
return write(fileno_stdout(), buf, siz);
}
#endif
/*
* Centralized handling of input and output files with format specification
* The format is meant to show what the input and output is supposed to be,
* and is therefore a show of intent more than anything else. However, it
* does impact behavior on some platforms, such as differentiating between
* text and binary input/output on non-Unix platforms
*/
BIO *dup_bio_in(int format)
{
return BIO_new_fp(stdin,
BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
}
BIO *dup_bio_out(int format)
{
BIO *b = BIO_new_fp(stdout,
BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
void *prefix = NULL;
#ifdef OPENSSL_SYS_VMS
if (FMT_istext(format))
b = BIO_push(BIO_new(BIO_f_linebuffer()), b);
#endif
if (FMT_istext(format)
&& (prefix = getenv("HARNESS_OSSL_PREFIX")) != NULL) {
b = BIO_push(BIO_new(BIO_f_prefix()), b);
BIO_set_prefix(b, prefix);
}
return b;
}
BIO *dup_bio_err(int format)
{
BIO *b = BIO_new_fp(stderr,
BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
#ifdef OPENSSL_SYS_VMS
if (FMT_istext(format))
b = BIO_push(BIO_new(BIO_f_linebuffer()), b);
#endif
return b;
}
void unbuffer(FILE *fp)
{
/*
* On VMS, setbuf() will only take 32-bit pointers, and a compilation
* with /POINTER_SIZE=64 will give off a MAYLOSEDATA2 warning here.
* However, we trust that the C RTL will never give us a FILE pointer
* above the first 4 GB of memory, so we simply turn off the warning
* temporarily.
*/
#if defined(OPENSSL_SYS_VMS) && defined(__DECC)
# pragma environment save
# pragma message disable maylosedata2
#endif
setbuf(fp, NULL);
#if defined(OPENSSL_SYS_VMS) && defined(__DECC)
# pragma environment restore
#endif
}
static const char *modestr(char mode, int format)
{
OPENSSL_assert(mode == 'a' || mode == 'r' || mode == 'w');
switch (mode) {
case 'a':
return FMT_istext(format) ? "a" : "ab";
case 'r':
return FMT_istext(format) ? "r" : "rb";
case 'w':
return FMT_istext(format) ? "w" : "wb";
}
/* The assert above should make sure we never reach this point */
return NULL;
}
static const char *modeverb(char mode)
{
switch (mode) {
case 'a':
return "appending";
case 'r':
return "reading";
case 'w':
return "writing";
}
return "(doing something)";
}
/*
* Open a file for writing, owner-read-only.
*/
BIO *bio_open_owner(const char *filename, int format, int private)
{
FILE *fp = NULL;
BIO *b = NULL;
int fd = -1, bflags, mode, textmode;
if (!private || filename == NULL || strcmp(filename, "-") == 0)
return bio_open_default(filename, 'w', format);
mode = O_WRONLY;
#ifdef O_CREAT
mode |= O_CREAT;
#endif
#ifdef O_TRUNC
mode |= O_TRUNC;
#endif
textmode = FMT_istext(format);
if (!textmode) {
#ifdef O_BINARY
mode |= O_BINARY;
#elif defined(_O_BINARY)
mode |= _O_BINARY;
#endif
}
#ifdef OPENSSL_SYS_VMS
/* VMS doesn't have O_BINARY, it just doesn't make sense. But,
* it still needs to know that we're going binary, or fdopen()
* will fail with "invalid argument"... so we tell VMS what the
* context is.
*/
if (!textmode)
fd = open(filename, mode, 0600, "ctx=bin");
else
#endif
fd = open(filename, mode, 0600);
if (fd < 0)
goto err;
fp = fdopen(fd, modestr('w', format));
if (fp == NULL)
goto err;
bflags = BIO_CLOSE;
if (textmode)
bflags |= BIO_FP_TEXT;
b = BIO_new_fp(fp, bflags);
if (b)
return b;
err:
BIO_printf(bio_err, "%s: Can't open \"%s\" for writing, %s\n",
opt_getprog(), filename, strerror(errno));
ERR_print_errors(bio_err);
/* If we have fp, then fdopen took over fd, so don't close both. */
if (fp)
fclose(fp);
else if (fd >= 0)
close(fd);
return NULL;
}
static BIO *bio_open_default_(const char *filename, char mode, int format,
int quiet)
{
BIO *ret;
if (filename == NULL || strcmp(filename, "-") == 0) {
ret = mode == 'r' ? dup_bio_in(format) : dup_bio_out(format);
if (quiet) {
ERR_clear_error();
return ret;
}
if (ret != NULL)
return ret;
BIO_printf(bio_err,
"Can't open %s, %s\n",
mode == 'r' ? "stdin" : "stdout", strerror(errno));
} else {
ret = BIO_new_file(filename, modestr(mode, format));
if (quiet) {
ERR_clear_error();
return ret;
}
if (ret != NULL)
return ret;
BIO_printf(bio_err,
"Can't open %s for %s, %s\n",
filename, modeverb(mode), strerror(errno));
}
ERR_print_errors(bio_err);
return NULL;
}
BIO *bio_open_default(const char *filename, char mode, int format)
{
return bio_open_default_(filename, mode, format, 0);
}
BIO *bio_open_default_quiet(const char *filename, char mode, int format)
{
return bio_open_default_(filename, mode, format, 1);
}
void wait_for_async(SSL *s)
{
/* On Windows select only works for sockets, so we simply don't wait */
#ifndef OPENSSL_SYS_WINDOWS
int width = 0;
fd_set asyncfds;
OSSL_ASYNC_FD *fds;
size_t numfds;
size_t i;
if (!SSL_get_all_async_fds(s, NULL, &numfds))
return;
if (numfds == 0)
return;
fds = app_malloc(sizeof(OSSL_ASYNC_FD) * numfds, "allocate async fds");
if (!SSL_get_all_async_fds(s, fds, &numfds)) {
OPENSSL_free(fds);
return;
}
FD_ZERO(&asyncfds);
for (i = 0; i < numfds; i++) {
if (width <= (int)fds[i])
width = (int)fds[i] + 1;
openssl_fdset((int)fds[i], &asyncfds);
}
select(width, (void *)&asyncfds, NULL, NULL, NULL);
OPENSSL_free(fds);
#endif
}
/* if OPENSSL_SYS_WINDOWS is defined then so is OPENSSL_SYS_MSDOS */
#if defined(OPENSSL_SYS_MSDOS)
int has_stdin_waiting(void)
{
# if defined(OPENSSL_SYS_WINDOWS)
HANDLE inhand = GetStdHandle(STD_INPUT_HANDLE);
DWORD events = 0;
INPUT_RECORD inputrec;
DWORD insize = 1;
BOOL peeked;
if (inhand == INVALID_HANDLE_VALUE) {
return 0;
}
peeked = PeekConsoleInput(inhand, &inputrec, insize, &events);
if (!peeked) {
/* Probably redirected input? _kbhit() does not work in this case */
if (!feof(stdin)) {
return 1;
}
return 0;
}
# endif