path: root/apps/apps.h

/*
 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the OpenSSL license (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
 */

#ifndef HEADER_APPS_H
# define HEADER_APPS_H

# include "e_os.h"
# if defined(__unix) || defined(__unix__)
#  include <sys/time.h> /* struct timeval for DTLS */
# endif
# include <assert.h>

# include <openssl/e_os2.h>
# include <openssl/ossl_typ.h>
# include <openssl/bio.h>
# include <openssl/x509.h>
# include <openssl/lhash.h>
# include <openssl/conf.h>
# include <openssl/txt_db.h>
# include <openssl/engine.h>
# include <openssl/ocsp.h>
# include <signal.h>

# if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WINCE)
#  define openssl_fdset(a,b) FD_SET((unsigned int)a, b)
# else
#  define openssl_fdset(a,b) FD_SET(a, b)
# endif

/*
 * quick macro when you need to pass an unsigned char instead of a char.
 * this is true for some implementations of the is*() functions, for
 * example.
 */
#define _UC(c) ((unsigned char)(c))

int app_RAND_load_file(const char *file, int dont_warn);
int app_RAND_write_file(const char *file);
/*
 * When `file' is NULL, use defaults. `bio_e' is for error messages.
 */
void app_RAND_allow_write_file(void);
long app_RAND_load_files(char *file); /* `file' is a list of files to read,
                                       * separated by LIST_SEPARATOR_CHAR
                                       * (see e_os.h).  The string is
                                       * destroyed! */

extern char *default_config_file;
extern BIO *bio_in;
extern BIO *bio_out;
extern BIO *bio_err;
BIO *dup_bio_in(int format);
BIO *dup_bio_out(int format);
BIO *dup_bio_err(int format);
BIO *bio_open_owner(const char *filename, int format, int private);
BIO *bio_open_default(const char *filename, char mode, int format);
BIO *bio_open_default_quiet(const char *filename, char mode, int format);
CONF *app_load_config(const char *filename);
CONF *app_load_config_quiet(const char *filename);
int app_load_modules(const CONF *config);
void unbuffer(FILE *fp);
void wait_for_async(SSL *s);
# if defined(OPENSSL_SYS_MSDOS)
int has_stdin_waiting(void);
# endif

void corrupt_signature(const ASN1_STRING *signature);
int set_cert_times(X509 *x, const char *startdate, const char *enddate,
                   int days);

/*
 * Common verification options.
 */
# define OPT_V_ENUM \
        OPT_V__FIRST=2000, \
        OPT_V_POLICY, OPT_V_PURPOSE, OPT_V_VERIFY_NAME, OPT_V_VERIFY_DEPTH, \
        OPT_V_ATTIME, OPT_V_VERIFY_HOSTNAME, OPT_V_VERIFY_EMAIL, \
        OPT_V_VERIFY_IP, OPT_V_IGNORE_CRITICAL, OPT_V_ISSUER_CHECKS, \
        OPT_V_CRL_CHECK, OPT_V_CRL_CHECK_ALL, OPT_V_POLICY_CHECK, \
        OPT_V_EXPLICIT_POLICY, OPT_V_INHIBIT_ANY, OPT_V_INHIBIT_MAP, \
        OPT_V_X509_STRICT, OPT_V_EXTENDED_CRL, OPT_V_USE_DELTAS, \
        OPT_V_POLICY_PRINT, OPT_V_CHECK_SS_SIG, OPT_V_TRUSTED_FIRST, \
        OPT_V_SUITEB_128_ONLY, OPT_V_SUITEB_128, OPT_V_SUITEB_192, \
        OPT_V_PARTIAL_CHAIN, OPT_V_NO_ALT_CHAINS, OPT_V_NO_CHECK_TIME, \
        OPT_V_VERIFY_AUTH_LEVEL, OPT_V_ALLOW_PROXY_CERTS, \
        OPT_V__LAST

# define OPT_V_OPTIONS \
        { "policy", OPT_V_POLICY, 's', "adds policy to the acceptable policy set"}, \
        { "purpose", OPT_V_PURPOSE, 's', \
            "certificate chain purpose"}, \
        { "verify_name", OPT_V_VERIFY_NAME, 's', "verification policy name"}, \
        { "verify_depth", OPT_V_VERIFY_DEPTH, 'n', \
            "chain depth limit" }, \
        { "auth_level", OPT_V_VERIFY_AUTH_LEVEL, 'n', \
            "chain authentication security level" }, \
        { "attime", OPT_V_ATTIME, 'M', "verification epoch time" }, \
        { "verify_hostname", OPT_V_VERIFY_HOSTNAME, 's', \
            "expected peer hostname" }, \
        { "verify_email", OPT_V_VERIFY_EMAIL, 's', \
            "expected peer email" }, \
        { "verify_ip", OPT_V_VERIFY_IP, 's', \
            "expected peer IP address" }, \
        { "ignore_critical", OPT_V_IGNORE_CRITICAL, '-', \
            "permit unhandled critical extensions"}, \
        { "issuer_checks", OPT_V_ISSUER_CHECKS, '-', "(deprecated)"}, \
        { "crl_check", OPT_V_CRL_CHECK, '-', "check leaf certificate revocation" }, \
        { "crl_check_all", OPT_V_CRL_CHECK_ALL, '-', "check full chain revocation" }, \
        { "policy_check", OPT_V_POLICY_CHECK, '-', "perform rfc5280 policy checks"}, \
        { "explicit_policy", OPT_V_EXPLICIT_POLICY, '-', \
            "set policy variable require-explicit-policy"}, \
        { "inhibit_any", OPT_V_INHIBIT_ANY, '-', \
            "set policy variable inhibit-any-policy"}, \
        { "inhibit_map", OPT_V_INHIBIT_MAP, '-', \
            "set policy variable inhibit-policy-mapping"}, \
        { "x509_strict", OPT_V_X509_STRICT, '-', \
            "disable certificate compatibility work-arounds"}, \
        { "extended_crl", OPT_V_EXTENDED_CRL, '-', \
            "enable extended CRL features"}, \
        { "use_deltas", OPT_V_USE_DELTAS, '-', \
            "use delta CRLs"}, \
        { "policy_print", OPT_V_POLICY_PRINT, '-', \
            "print policy processing diagnostics"}, \
        { "check_ss_sig", OPT_V_CHECK_SS_SIG, '-', \
            "check root CA self-signatures"}, \
        { "trusted_first", OPT_V_TRUSTED_FIRST, '-', \
            "search trust store first (default)" }, \
        { "suiteB_128_only", OPT_V_SUITEB_128_ONLY, '-', "Suite B 128-bit-only mode"}, \
        { "suiteB_128", OPT_V_SUITEB_128, '-', \
            "Suite B 128-bit mode allowing 192-bit algorithms"}, \
        { "suiteB_192", OPT_V_SUITEB_192, '-', "Suite B 192-bit-only mode" }, \
        { "partial_chain", OPT_V_PARTIAL_CHAIN, '-', \
            "accept chains anchored by intermediate trust-store CAs"}, \
        { "no_alt_chains", OPT_V_NO_ALT_CHAINS, '-', "(deprecated)" }, \
        { "no_check_time", OPT_V_NO_CHECK_TIME, '-', "ignore certificate validity time" }, \
        { "allow_proxy_certs", OPT_V_ALLOW_PROXY_CERTS, '-', "allow the use of proxy certificates" }

# define OPT_V_CASES \
        OPT_V__FIRST: case OPT_V__LAST: break; \
        case OPT_V_POLICY: \
        case OPT_V_PURPOSE: \
        case OPT_V_VERIFY_NAME: \
        case OPT_V_VERIFY_DEPTH: \
        case OPT_V_VERIFY_AUTH_LEVEL: \
        case OPT_V_ATTIME: \
        case OPT_V_VERIFY_HOSTNAME: \
        case OPT_V_VERIFY_EMAIL: \
        case OPT_V_VERIFY_IP: \
        case OPT_V_IGNORE_CRITICAL: \
        case OPT_V_ISSUER_CHECKS: \
        case OPT_V_CRL_CHECK: \
        case OPT_V_CRL_CHECK_ALL: \
        case OPT_V_POLICY_CHECK: \
        case OPT_V_EXPLICIT_POLICY: \
        case OPT_V_INHIBIT_ANY: \
        case OPT_V_INHIBIT_MAP: \
        case OPT_V_X509_STRICT: \
        case OPT_V_EXTENDED_CRL: \
        case OPT_V_USE_DELTAS: \
        case OPT_V_POLICY_PRINT: \
        case OPT_V_CHECK_SS_SIG: \
        case OPT_V_TRUSTED_FIRST: \
        case OPT_V_SUITEB_128_ONLY: \
        case OPT_V_SUITEB_128: \
        case OPT_V_SUITEB_192: \
        case OPT_V_PARTIAL_CHAIN: \
        case OPT_V_NO_ALT_CHAINS: \
        case OPT_V_NO_CHECK_TIME: \
        case OPT_V_ALLOW_PROXY_CERTS

/*
 * Common "extended"? options.
 */
# define OPT_X_ENUM \
        OPT_X__FIRST=1000, \
        OPT_X_KEY, OPT_X_CERT, OPT_X_CHAIN, OPT_X_CHAIN_BUILD, \
        OPT_X_CERTFORM, OPT_X_KEYFORM, \
        OPT_X__LAST

# define OPT_X_OPTIONS \
        { "xkey", OPT_X_KEY, '<', "key for Extended certificates"}, \
        { "xcert", OPT_X_CERT, '<', "cert for Extended certificates"}, \
        { "xchain", OPT_X_CHAIN, '<', "chain for Extended certificates"}, \
        { "xchain_build", OPT_X_CHAIN_BUILD, '-', \
            "build certificate chain for the extended certificates"}, \
        { "xcertform", OPT_X_CERTFORM, 'F', \
            "format of Extended certificate (PEM or DER) PEM default " }, \
        { "xkeyform", OPT_X_KEYFORM, 'F', \
            "format of Extended certificate's key (PEM or DER) PEM default"}

# define OPT_X_CASES \
        OPT_X__FIRST: case OPT_X__LAST: break; \
        case OPT_X_KEY: \
        case OPT_X_CERT: \
        case OPT_X_CHAIN: \
        case OPT_X_CHAIN_BUILD: \
        case OPT_X_CERTFORM: \
        case OPT_X_KEYFORM

/*
 * Common SSL options.
 * Any changes here must be coordinated with ../ssl/ssl_conf.c
 */
# define OPT_S_ENUM \
        OPT_S__FIRST=3000, \
        OPT_S_NOSSL3, OPT_S_NOTLS1, OPT_S_NOTLS1_1, OPT_S_NOTLS1_2, \
        OPT_S_NOTLS1_3, OPT_S_BUGS, OPT_S_NO_COMP, OPT_S_NOTICKET, \
        OPT_S_SERVERPREF, OPT_S_LEGACYRENEG, OPT_S_LEGACYCONN, \
        OPT_S_ONRESUMP, OPT_S_NOLEGACYCONN, OPT_S_STRICT, OPT_S_SIGALGS, \
        OPT_S_CLIENTSIGALGS, OPT_S_CURVES, OPT_S_NAMEDCURVE, OPT_S_CIPHER, \
        OPT_S_DHPARAM, OPT_S_DEBUGBROKE, OPT_S_COMP, \
        OPT_S__LAST

# define OPT_S_OPTIONS \
        {"no_ssl3", OPT_S_NOSSL3, '-',"Just disable SSLv3" }, \
        {"no_tls1", OPT_S_NOTLS1, '-', "Just disable TLSv1"}, \
        {"no_tls1_1", OPT_S_NOTLS1_1, '-', "Just disable TLSv1.1" }, \
        {"no_tls1_2", OPT_S_NOTLS1_2, '-', "Just disable TLSv1.2"}, \
        {"no_tls1_3", OPT_S_NOTLS1_3, '-', "Just disable TLSv1.3"}, \
        {"bugs", OPT_S_BUGS, '-', "Turn on SSL bug compatibility"}, \
        {"no_comp", OPT_S_NO_COMP, '-', "Disable SSL/TLS compression (default)" }, \
        {"comp", OPT_S_COMP, '-', "Use SSL/TLS-level compression" }, \
        {"no_ticket", OPT_S_NOTICKET, '-', \
            "Disable use of TLS session tickets"}, \
        {"serverpref", OPT_S_SERVERPREF, '-', "Use server's cipher preferences"}, \
        {"legacy_renegotiation", OPT_S_LEGACYRENEG, '-', \
            "Enable use of legacy renegotiation (dangerous)"}, \
        {"legacy_server_connect", OPT_S_LEGACYCONN, '-', \
            "Allow initial connection to servers that don't support RI"}, \
        {"no_resumption_on_reneg", OPT_S_ONRESUMP, '-', \
            "Disallow session resumption on renegotiation"}, \
        {"no_legacy_server_connect", OPT_S_NOLEGACYCONN, '-', \
            "Disallow initial connection to servers that don't support RI"}, \
        {"strict", OPT_S_STRICT, '-', \
            "Enforce strict certificate checks as per TLS standard"}, \
        {"sigalgs", OPT_S_SIGALGS, 's', \
            "Signature algorithms to support (colon-separated list)" }, \
        {"client_sigalgs", OPT_S_CLIENTSIGALGS, 's', \
            "Signature algorithms to support for client certificate" \
            " authentication (colon-separated list)" }, \
        {"curves", OPT_S_CURVES, 's', \
            "Elliptic curves to advertise (colon-separated list)" }, \
        {"named_curve", OPT_S_NAMEDCURVE, 's', \
            "Elliptic curve used for ECDHE (server-side only)" }, \
        {"cipher", OPT_S_CIPHER, 's', "Specify cipher list to be used"}, \
        {"dhparam", OPT_S_DHPARAM, '<', \
            "DH parameter file to use, in cert file if not specified"}, \
        {"debug_broken_protocol", OPT_S_DEBUGBROKE, '-', \
            "Perform all sorts of protocol violations for testing purposes"}

# define OPT_S_CASES \
        OPT_S__FIRST: case OPT_S__LAST: break; \
        case OPT_S_NOSSL3: \
        case OPT_S_NOTLS1: \
        case OPT_S_NOTLS1_1: \
        case OPT_S_NOTLS1_2: \
        case OPT_S_NOTLS1_3: \
        case OPT_S_BUGS: \
        case OPT_S_NO_COMP: \
        case OPT_S_COMP: \
        case OPT_S_NOTICKET: \
        case OPT_S_SERVERPREF: \
        case OPT_S_LEGACYRENEG: \
        case OPT_S_LEGACYCONN: \
        case OPT_S_ONRESUMP: \
        case OPT_S_NOLEGACYCONN: \
        case OPT_S_STRICT: \
        case OPT_S_SIGALGS: \
        case OPT_S_CLIENTSIGALGS: \
        case OPT_S_CURVES: \
        case OPT_S_NAMEDCURVE: \
        case OPT_S_CIPHER: \
        case OPT_S_DHPARAM: \
        case OPT_S_DEBUGBROKE

#define IS_NO_PROT_FLAG(o) \
 (o == OPT_S_NOSSL3 || o == OPT_S_NOTLS1 || o == OPT_S_NOTLS1_1 \
  || o == OPT_S_NOTLS1_2 || o == OPT_S_NOTLS1_3)

/*
 * Option parsing.
 */
extern const char OPT_HELP_STR[];
extern const char OPT_MORE_STR[];
typedef struct options_st {
    const char *name;
    int retval;
    /*
     * value type: - no value (also the value zero), n number, p positive
     * number, u unsigned, l long, s string, < input file, > output file,
     * f any format, F der/pem format, E der/pem/engine format identifier.
     * l, n and u include zero; p does not.
     */
    int valtype;
    const char *helpstr;
} OPTIONS;

/*
 * A string/int pairing; widely use for option value lookup, hence the
 * name OPT_PAIR. But that name is misleading in s_cb.c, so we also use
 * the "generic" name STRINT_PAIR.
 */
typedef struct string_int_pair_st {
    const char *name;
    int retval;
} OPT_PAIR, STRINT_PAIR;

/* Flags to pass into opt_format; see FORMAT_xxx, below. */
# define OPT_FMT_PEMDER          (1L <<  1)
# define OPT_FMT_PKCS12          (1L <<  2)
# define OPT_FMT_SMIME           (1L <<  3)
# define OPT_FMT_ENGINE          (1L <<  4)
# define OPT_FMT_MSBLOB          (1L <<  5)
# define OPT_FMT_NETSCAPE        (1L <<  6)
# define OPT_FMT_NSS             (1L <<  7)
# define OPT_FMT_TEXT            (1L <<  8)
# define OPT_FMT_HTTP            (1L <<  9)
# define OPT_FMT_PVK             (1L << 10)
# define OPT_FMT_PDE     (OPT_FMT_PEMDER | OPT_FMT_ENGINE)
# define OPT_FMT_PDS     (OPT_FMT_PEMDER | OPT_FMT_SMIME)
# define OPT_FMT_ANY     ( \
        OPT_FMT_PEMDER | OPT_FMT_PKCS12 | OPT_FMT_SMIME | \
        OPT_FMT_ENGINE | OPT_FMT_MSBLOB | OPT_FMT_NETSCAPE | \
        OPT_FMT_NSS | OPT_FMT_TEXT | OPT_FMT_HTTP | OPT_FMT_PVK)

char *opt_progname(const char *argv0);
char *opt_getprog(void);
char *opt_init(int ac, char **av, const OPTIONS * o);
int opt_next(void);
int opt_format(const char *s, unsigned long flags, int *result);
int opt_int(const char *arg, int *result);
int opt_ulong(const char *arg, unsigned long *result);
int opt_long(const char *arg, long *result);
#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L && \
    defined(INTMAX_MAX) && defined(UINTMAX_MAX)
int opt_imax(const char *arg, intmax_t *result);
int opt_umax(const char *arg, uintmax_t *result);<