/*

 * Copyright 1995-2019 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 OSSL_APPS_H

# define OSSL_APPS_H

# include "e_os.h" /* struct timeval for DTLS */

# include "internal/nelem.h"

# include <assert.h>

# include <sys/types.h>

# ifndef OPENSSL_NO_POSIX_IO

#  include <sys/stat.h>

#  include <fcntl.h>

# endif

# include <openssl/e_os2.h>

# include <openssl/ossl_typ.h>

# include <openssl/bio.h>

# include <openssl/x509.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))

void app_RAND_load_conf(CONF *c, const char *section);

void app_RAND_write(void);

extern char *default_config_file;

extern BIO *bio_in;

extern BIO *bio_out;

extern BIO *bio_err;

extern const unsigned char tls13_aes128gcmsha256_id[];

extern const unsigned char tls13_aes256gcmsha384_id[];

extern BIO_ADDR *ourpeer;

BIO_METHOD *apps_bf_prefix(void);

/*

 * The control used to set the prefix with BIO_ctrl()

 * We make it high enough so the chance of ever clashing with the BIO library

 * remains unlikely for the foreseeable future and beyond.

 */

#define PREFIX_CTRL_SET_PREFIX  (1 << 15)

/*

 * apps_bf_prefix() returns a dynamically created BIO_METHOD, which we

 * need to destroy at some point.  When created internally, it's stored

 * in an internal pointer which can be freed with the following function

 */

void destroy_prefix_method(void);

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_bio(BIO *in, const char *filename);

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 validation" 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_ALLOW_NO_DHE_KEX, \

        OPT_S_PRIORITIZE_CHACHA, \

        OPT_S_STRICT, OPT_S_SIGALGS, OPT_S_CLIENTSIGALGS, OPT_S_GROUPS, \

        OPT_S_CURVES, OPT_S_NAMEDCURVE, OPT_S_CIPHER, OPT_S_CIPHERSUITES, \

        OPT_S_RECORD_PADDING, OPT_S_DEBUGBROKE, OPT_S_COMP, \

        OPT_S_MINPROTO, OPT_S_MAXPROTO, \

        OPT_S_NO_RENEGOTIATION, OPT_S_NO_MIDDLEBOX, 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)"}, \

        {"no_renegotiation", OPT_S_NO_RENEGOTIATION, '-', \

            "Disable all renegotiation."}, \

        {"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"}, \

        {"allow_no_dhe_kex", OPT_S_ALLOW_NO_DHE_KEX, '-', \

            "In TLSv1.3 allow non-(ec)dhe based key exchange on resumption"}, \

        {"prioritize_chacha", OPT_S_PRIORITIZE_CHACHA, '-', \

            "Prioritize ChaCha ciphers when preferred by clients"}, \

        {"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)" }, \

        {"groups", OPT_S_GROUPS, 's', \

            "Groups to advertise (colon-separated list)" }, \

        {"curves", OPT_S_CURVES, 's', \

            "Groups 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 TLSv1.2 and below cipher list to be used"}, \

        {"ciphersuites", OPT_S_CIPHERSUITES, 's', "Specify TLSv1.3 ciphersuites to be used"}, \

        {"min_protocol", OPT_S_MINPROTO, 's', "Specify the minimum protocol version to be used"}, \

        {"max_protocol", OPT_S_MAXPROTO, 's', "Specify the maximum protocol version to be used"}, \

        {"record_padding", OPT_S_RECORD_PADDING, 's', \

            "Block size to pad TLS 1.3 records to."}, \

        {"debug_broken_protocol", OPT_S_DEBUGBROKE, '-', \

            "Perform all sorts of protocol violations for testing purposes"}, \

        {"no_middlebox", OPT_S_NO_MIDDLEBOX, '-', \

            "Disable TLSv1.3 middlebox compat mode" }

# 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_ALLOW_NO_DHE_KEX: \

        case OPT_S_PRIORITIZE_CHACHA: \

        case OPT_S_STRICT: \

        case OPT_S_SIGALGS: \

        case OPT_S_CLIENTSIGALGS: \

        case OPT_S_GROUPS: \

        case OPT_S_CURVES: \

        case OPT_S_NAMEDCURVE: \

        case OPT_S_CIPHER: \

        case OPT_S_CIPHERSUITES: \

        case OPT_S_RECORD_PADDING: \

        case OPT_S_NO_RENEGOTIATION: \

        case OPT_S_MINPROTO: \

        case OPT_S_MAXPROTO: \

        case OPT_S_DEBUGBROKE: \

        case OPT_S_NO_MIDDLEBOX

#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)

/*

 * Random state options.

 */

# define OPT_R_ENUM \

        OPT_R__FIRST=1500, OPT_R_RAND, OPT_R_WRITERAND, OPT_R__LAST

# define OPT_R_OPTIONS \

    {"rand", OPT_R_RAND, 's', "Load the file(s) into the random number generator"}, \

    {"writerand", OPT_R_WRITERAND, '>', "Write random data to the specified file"}

# define OPT_R_CASES \

        OPT_R__FIRST: case OPT_R__LAST: break; \

        case OPT_R_RAND: case OPT_R_WRITERAND

/*

 * 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)

/* (1L <<  6) was OPT_FMT_NETSCAPE, but wasn't used */

# 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_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);

#else

# define opt_imax opt_long

# define opt_umax opt_ulong

# define intmax_t long

# define uintmax_t unsigned long

#endif

int opt_pair(const char *arg, const OPT_PAIR * pairs, int *result);

int opt_cipher(const char *name, const EVP_CIPHER **cipherp);

int opt_md(const char *name, const EVP_MD **mdp);

char *opt_arg(void);

char *opt_flag(void);

char *opt_unknown(void);

char **opt_rest(void);

int opt_num_rest(void);

int opt_verify(int i, X509_VERIFY_PARAM *vpm);

int opt_rand(int i);

void opt_help(const OPTIONS * list);

int opt_format_error(const char *s, unsigned long flags);

typedef struct args_st {

    int size;

    int argc;

    char **argv;

} ARGS;

/*

 * VMS C only for now, implemented in vms_decc_init.c

 * If other C compilers forget to terminate argv with NULL, this function

 * can be re-used.

 */

char **copy_argv(int *argc, char *argv[]);

/*

 * Win32-specific argv initialization that splits OS-supplied UNICODE

 * command line string to array of UTF8-encoded strings.

 */

void win32_utf8argv(int *argc, char **argv[]);

# define PW_MIN_LENGTH 4

typedef struct pw_cb_data {

    const void *password;

    const char *prompt_info;

} PW_CB_DATA;

int password_callback(char *buf, int bufsiz, int verify, PW_CB_DATA *cb_data);

int setup_ui_method(void);

void destroy_ui_method(void);

const UI_METHOD *get_ui_method(void);

int chopup_args(ARGS *arg, char *buf);

int dump_cert_text(BIO *out, X509 *x);

void print_name(BIO *out, const char *title, X509_NAME *nm,

                unsigned long lflags);

void print_bignum_var(BIO *, const BIGNUM *, const char*,

                      int, unsigned char *);

void print_array(BIO *, const char *, int, const unsigned char *);

int set_nameopt(const char *arg);

unsigned long get_nameopt(void);

int set_cert_ex(unsigned long *flags, const char *arg);

int set_name_ex(unsigned long *flags, const char *arg);

int set_ext_copy(int *copy_type, const char *arg);

int copy_extensions(X509 *x, X509_REQ *req, int copy_type);

int app_passwd(const char *arg1, const char *arg2, char **pass1, char **pass2);

int add_oid_section(CONF *conf);

X509 *load_cert(const char *file, int format, const char *cert_descrip);

X509_CRL *load_crl(const char *infile, int format);

EVP_PKEY *load_key(const char *file, int format, int maybe_stdin,

                   const char *pass, ENGINE *e, const char *key_descrip);

EVP_PKEY *load_pubkey(const char *file, int format, int maybe_stdin,

                      const char *pass, ENGINE *e, const char *key_descrip);

int load_certs(const char *file, STACK_OF(X509) **certs, int format,

               const char *pass, const char *cert_descrip);

int load_crls(const char *file, STACK_OF(X509_CRL) **crls, int format,

              const char *pass, const char *cert_descrip);

X509_STORE *setup_verify(const char *CAfile, const char *CApath,

                         int noCAfile, int noCApath);

__owur int ctx_set_verify_locations(SSL_CTX *ctx, const char *CAfile,

                                    const char *CApath, int noCAfile,

                                    int noCApath);

#ifndef OPENSSL_NO_CT

/*

 * Sets the file to load the Certificate Transparency log list from.

 * If path is NULL, loads from the default file path.

 * Returns 1 on success, 0 otherwise.

 */

__owur int ctx_set_ctlog_list_file(SSL_CTX *ctx, const char *path);

#endif

ENGINE *setup_engine(const char *engine, int debug);

void release_engine(ENGINE *e);

# ifndef OPENSSL_NO_OCSP

OCSP_RESPONSE *process_responder(OCSP_REQUEST *req,

                                 const char *host, const char *path,

                                 const char *port, int use_ssl,

                                 STACK_OF(CONF_VALUE) *headers,

                                 int req_timeout);

# endif

/* Functions defined in ca.c and also used in ocsp.c */

int unpack_revinfo(ASN1_TIME **prevtm, int *preason, ASN1_OBJECT **phold,

                   ASN1_GENERALIZEDTIME **pinvtm, const char *str);

# define DB_type         0

# define DB_exp_date     1

# define DB_rev_date     2

# define DB_serial       3      /* index - unique */

# define DB_file         4

# define DB_name         5      /* index - unique when active and not

                                 * disabled */

# define DB_NUMBER       6

# define DB_TYPE_REV     'R'    /* Revoked  */

# define DB_TYPE_EXP     'E'    /* Expired  */

# define DB_TYPE_VAL     'V'    /* Valid ; inserted with: ca ... -valid */

# define DB_TYPE_SUSP    'S'    /* Suspended  */

typedef struct db_attr_st {

    int unique_subject;

} DB_ATTR;

typedef struct ca_db_st {

    DB_ATTR attributes;

    TXT_DB *db;

    char *dbfname;

# ifndef OPENSSL_NO_POSIX_IO

    struct stat dbst;

# endif

} CA_DB;

void* app_malloc(int sz, const char *what);

BIGNUM *load_serial(const char *serialfile, int create, ASN1_INTEGER **retai);

int save_serial(const char *serialfile, const char *suffix, const BIGNUM *serial,

                ASN1_INTEGER **retai);

int rotate_serial(const char *serialfile, const char *new_suffix,

                  const char *old_suffix);

int rand_serial(BIGNUM *b, ASN1_INTEGER *ai);

CA_DB *load_index(const char *dbfile, DB_ATTR *dbattr);

int index_index(CA_DB *db);

int save_index(const char *dbfile, const char *suffix, CA_DB *db);

int rotate_index(const char *dbfile, const char *new_suffix,

                 const char *old_suffix);

void free_index(CA_DB *db);

# define index_name_cmp_noconst(a, b) \

        index_name_cmp((const OPENSSL_CSTRING *)CHECKED_PTR_OF(OPENSSL_STRING, a), \

        (const OPENSSL_CSTRING *)CHECKED_PTR_OF(OPENSSL_STRING, b))

int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b);

int parse_yesno(const char *str, int def);

X509_NAME *parse_name(const char *str, long chtype, int multirdn);

void policies_print(X509_STORE_CTX *ctx);

int bio_to_mem(unsigned char **out, int maxlen, BIO *in);

int pkey_ctrl_string(EVP_PKEY_CTX *ctx, const char *value);

int init_gen_str(EVP_PKEY_CTX **pctx,

                 const char *algname, ENGINE *e, int do_param);

int do_X509_sign(X509 *x, EVP_PKEY *pkey, const EVP_MD *md,

                 STACK_OF(OPENSSL_STRING) *sigopts);

int do_X509_REQ_sign(X509_REQ *x, EVP_PKEY *pkey, const EVP_MD *md,

                     STACK_OF(OPENSSL_STRING) *sigopts);

int do_X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const EVP_MD *md,

                     STACK_OF(OPENSSL_STRING) *sigopts);

extern char *psk_key;

unsigned char *next_protos_parse(size_t *outlen, const char *in);

void print_cert_checks(BIO *bio, X509 *x,

                       const char *checkhost,

                       const char *checkemail, const char *checkip);

void store_setup_crl_download(X509_STORE *st);

/* See OPT_FMT_xxx, above. */

/* On some platforms, it's important to distinguish between text and binary

 * files.  On some, there might even be specific file formats for different

 * contents.  The FORMAT_xxx macros are meant to express an intent with the

 * file being read or created.

 */

# define B_FORMAT_TEXT   0x8000

# define FORMAT_UNDEF    0

# define FORMAT_TEXT    (1 | B_FORMAT_TEXT)     /* Generic text */

# define FORMAT_BINARY   2                      /* Generic binary */

# define FORMAT_BASE64  (3 | B_FORMAT_TEXT)     /* Base64 */

# define FORMAT_ASN1     4                      /* ASN.1/DER */

# define FORMAT_PEM     (5 | B_FORMAT_TEXT)

# define FORMAT_PKCS12   6

# define FORMAT_SMIME   (7 | B_FORMAT_TEXT)

# define FORMAT_ENGINE   8                      /* Not really a file format */

# define FORMAT_PEMRSA  (9 | B_FORMAT_TEXT)     /* PEM RSAPubicKey format */

# define FORMAT_ASN1RSA  10                     /* DER RSAPubicKey format */

# define FORMAT_MSBLOB   11                     /* MS Key blob format */

# define FORMAT_PVK      12                     /* MS PVK file format */

# define FORMAT_HTTP     13                     /* Download using HTTP */

# define FORMAT_NSS      14                     /* NSS keylog format */

# define EXT_COPY_NONE   0

# define EXT_COPY_ADD    1

# define EXT_COPY_ALL    2

# define NETSCAPE_CERT_HDR       "certificate"

# define APP_PASS_LEN    1024

/*

 * IETF RFC 5280 says serial number must be <= 20 bytes. Use 159 bits

 * so that the first bit will never be one, so that the DER encoding

 * rules won't force a leading octet.

 */

# define SERIAL_RAND_BITS        159

int app_isdir(const char *);

int app_access(const char *, int flag);

int fileno_stdin(void);

int fileno_stdout(void);

int raw_read_stdin(void *, int);

int raw_write_stdout(const void *, int);

# define TM_START        0

# define TM_STOP         1

double app_tminterval(int stop, int usertime);

void make_uppercase(char *string);

typedef struct verify_options_st {

    int depth;

    int quiet;

    int error;

    int return_error;

} VERIFY_CB_ARGS;

extern VERIFY_CB_ARGS verify_args;

#endif