/*

 * 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

 */

#include <internal/cryptlib.h>

#include <stdio.h>

#include <string.h>

#include <stdlib.h>

#include <openssl/bio.h>

#include <openssl/crypto.h>

#include <openssl/lhash.h>

#include <openssl/conf.h>

#include <openssl/x509.h>

#include <openssl/pem.h>

#include <openssl/ssl.h>

#ifndef OPENSSL_NO_ENGINE

# include <openssl/engine.h>

#endif

#include <openssl/err.h>

/* Needed to get the other O_xxx flags. */

#ifdef OPENSSL_SYS_VMS

# include <unixio.h>

#endif

#include "apps.h"

#define INCLUDE_FUNCTION_TABLE

#include "progs.h"

/* Structure to hold the number of columns to be displayed and the

 * field width used to display them.

 */

typedef struct {

    int columns;

    int width;

} DISPLAY_COLUMNS;

/* Special sentinel to exit the program. */

#define EXIT_THE_PROGRAM (-1)

/*

 * The LHASH callbacks ("hash" & "cmp") have been replaced by functions with

 * the base prototypes (we cast each variable inside the function to the

 * required type of "FUNCTION*"). This removes the necessity for

 * macro-generated wrapper functions.

 */

static LHASH_OF(FUNCTION) *prog_init(void);

static int do_cmd(LHASH_OF(FUNCTION) *prog, int argc, char *argv[]);

static void list_pkey(void);

static void list_pkey_meth(void);

static void list_type(FUNC_TYPE ft, int one);

static void list_disabled(void);

char *default_config_file = NULL;

BIO *bio_in = NULL;

BIO *bio_out = NULL;

BIO *bio_err = NULL;

static void calculate_columns(DISPLAY_COLUMNS *dc)

{

    FUNCTION *f;

    int len, maxlen = 0;

    for (f = functions; f->name != NULL; ++f)

        if (f->type == FT_general || f->type == FT_md || f->type == FT_cipher)

            if ((len = strlen(f->name)) > maxlen)

                maxlen = len;

    dc->width = maxlen + 2;

    dc->columns = (80 - 1) / dc->width;

}

static int apps_startup(void)

{

#ifdef SIGPIPE

    signal(SIGPIPE, SIG_IGN);

#endif

    /* Set non-default library initialisation settings */

    if (!OPENSSL_init_ssl(OPENSSL_INIT_ENGINE_ALL_BUILTIN

                          | OPENSSL_INIT_LOAD_CONFIG, NULL))

        return 0;

    setup_ui_method();

    return 1;

}

static void apps_shutdown(void)

{

    destroy_ui_method();

    destroy_prefix_method();

}

static char *make_config_name(void)

{

    const char *t;

    size_t len;

    char *p;

    if ((t = getenv("OPENSSL_CONF")) != NULL)

        return OPENSSL_strdup(t);

    t = X509_get_default_cert_area();

    len = strlen(t) + 1 + strlen(OPENSSL_CONF) + 1;

    p = app_malloc(len, "config filename buffer");

    strcpy(p, t);

#ifndef OPENSSL_SYS_VMS

    strcat(p, "/");

#endif

    strcat(p, OPENSSL_CONF);

    return p;

}

int main(int argc, char *argv[])

{

    FUNCTION f, *fp;

    LHASH_OF(FUNCTION) *prog = NULL;

    char **copied_argv = NULL;

    char *p, *pname;

    char buf[1024];

    const char *prompt;

    ARGS arg;

    int first, n, i, ret = 0;

    arg.argv = NULL;

    arg.size = 0;

    /* Set up some of the environment. */

    default_config_file = make_config_name();

    bio_in = dup_bio_in(FORMAT_TEXT);

    bio_out = dup_bio_out(FORMAT_TEXT);

    bio_err = dup_bio_err(FORMAT_TEXT);

#if defined(OPENSSL_SYS_VMS) && defined(__DECC)

    copied_argv = argv = copy_argv(&argc, argv);

#elif defined(_WIN32)

    /*

     * Replace argv[] with UTF-8 encoded strings.

     */

    win32_utf8argv(&argc, &argv);

#endif

    p = getenv("OPENSSL_DEBUG_MEMORY");

    if (p != NULL && strcmp(p, "on") == 0)

        CRYPTO_set_mem_debug(1);

    CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);

    if (getenv("OPENSSL_FIPS")) {

        BIO_printf(bio_err, "FIPS mode not supported.\n");

        return 1;

    }

    if (!apps_startup()) {

        BIO_printf(bio_err,

                   "FATAL: Startup failure (dev note: apps_startup() failed)\n");

        ERR_print_errors(bio_err);

        ret = 1;

        goto end;

    }

    prog = prog_init();

    if (prog == NULL) {

        BIO_printf(bio_err,

                   "FATAL: Startup failure (dev note: prog_init() failed)\n");

        ERR_print_errors(bio_err);

        ret = 1;

        goto end;

    }

    pname = opt_progname(argv[0]);

    /* first check the program name */

    f.name = pname;

    fp = lh_FUNCTION_retrieve(prog, &f);

    if (fp != NULL) {

        argv[0] = pname;

        ret = fp->func(argc, argv);

        goto end;

    }

    /* If there is stuff on the command line, run with that. */

    if (argc != 1) {

        argc--;

        argv++;

        ret = do_cmd(prog, argc, argv);

        if (ret < 0)

            ret = 0;

        goto end;

    }

    /* ok, lets enter interactive mode */

    for (;;) {

        ret = 0;

        /* Read a line, continue reading if line ends with \ */

        for (p = buf, n = sizeof(buf), i = 0, first = 1; n > 0; first = 0) {

            prompt = first ? "OpenSSL> " : "> ";

            p[0] = '\0';

#ifndef READLINE

            fputs(prompt, stdout);

            fflush(stdout);

            if (!fgets(p, n, stdin))

                goto end;

            if (p[0] == '\0')

                goto end;

            i = strlen(p);

            if (i <= 1)

                break;

            if (p[i - 2] != '\\')

                break;

            i -= 2;

            p += i;

            n -= i;

#else

            {

                extern char *readline(const char *);

                extern void add_history(const char *cp);

                char *text;

                text = readline(prompt);

                if (text == NULL)

                    goto end;

                i = strlen(text);

                if (i == 0 || i > n)

                    break;

                if (text[i - 1] != '\\') {

                    p += strlen(strcpy(p, text));

                    free(text);

                    add_history(buf);

                    break;

                }

                text[i - 1] = '\0';

                p += strlen(strcpy(p, text));

                free(text);

                n -= i;

            }

#endif

        }

        if (!chopup_args(&arg, buf)) {

            BIO_printf(bio_err, "Can't parse (no memory?)\n");

            break;

        }

        ret = do_cmd(prog, arg.argc, arg.argv);

        if (ret == EXIT_THE_PROGRAM) {

            ret = 0;

            goto end;

        }

        if (ret != 0)

            BIO_printf(bio_err, "error in %s\n", arg.argv[0]);

        (void)BIO_flush(bio_out);

        (void)BIO_flush(bio_err);

    }

    ret = 1;

 end:

    OPENSSL_free(copied_argv);

    OPENSSL_free(default_config_file);

    lh_FUNCTION_free(prog);

    OPENSSL_free(arg.argv);

    app_RAND_write();

    BIO_free(bio_in);

    BIO_free_all(bio_out);

    apps_shutdown();

#ifndef OPENSSL_NO_CRYPTO_MDEBUG

    if (CRYPTO_mem_leaks(bio_err) <= 0)

        ret = 1;

#endif

    BIO_free(bio_err);

    EXIT(ret);

}

static void list_cipher_fn(const EVP_CIPHER *c,

                           const char *from, const char *to, void *arg)

{

    if (c != NULL) {

        BIO_printf(arg, "%s\n", EVP_CIPHER_name(c));

    } else {

        if (from == NULL)

            from = "<undefined>";

        if (to == NULL)

            to = "<undefined>";

        BIO_printf(arg, "%s => %s\n", from, to);

    }

}

static void list_md_fn(const EVP_MD *m,

                       const char *from, const char *to, void *arg)

{

    if (m != NULL) {

        BIO_printf(arg, "%s\n", EVP_MD_name(m));

    } else {

        if (from == NULL)

            from = "<undefined>";

        if (to == NULL)

            to = "<undefined>";

        BIO_printf((BIO *)arg, "%s => %s\n", from, to);

    }

}

static void list_missing_help(void)

{

    const FUNCTION *fp;

    const OPTIONS *o;

    for (fp = functions; fp->name != NULL; fp++) {

        if ((o = fp->help) != NULL) {

            /* If there is help, list what flags are not documented. */

            for ( ; o->name != NULL; o++) {

                if (o->helpstr == NULL)

                    BIO_printf(bio_out, "%s %s\n", fp->name, o->name);

            }

        } else if (fp->func != dgst_main) {

            /* If not aliased to the dgst command, */

            BIO_printf(bio_out, "%s *\n", fp->name);

        }

    }

}

static void list_options_for_command(const char *command)

{

    const FUNCTION *fp;

    const OPTIONS *o;

    for (fp = functions; fp->name != NULL; fp++)

        if (strcmp(fp->name, command) == 0)

            break;

    if (fp->name == NULL) {

        BIO_printf(bio_err, "Invalid command '%s'; type \"help\" for a list.\n",

                command);

        return;

    }

    if ((o = fp->help) == NULL)

        return;

    for ( ; o->name != NULL; o++) {

        if (o->name == OPT_HELP_STR

                || o->name == OPT_MORE_STR

                || o->name[0] == '\0')

            continue;

        BIO_printf(bio_out, "%s %c\n", o->name, o->valtype);

    }

}

/* Unified enum for help and list commands. */

typedef enum HELPLIST_CHOICE {

    OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, OPT_ONE,

    OPT_COMMANDS, OPT_DIGEST_COMMANDS, OPT_OPTIONS,

    OPT_DIGEST_ALGORITHMS, OPT_CIPHER_COMMANDS, OPT_CIPHER_ALGORITHMS,

    OPT_PK_ALGORITHMS, OPT_PK_METHOD, OPT_DISABLED, OPT_MISSING_HELP

} HELPLIST_CHOICE;

const OPTIONS list_options[] = {

    {"help", OPT_HELP, '-', "Display this summary"},

    {"1", OPT_ONE, '-', "List in one column"},

    {"commands", OPT_COMMANDS, '-', "List of standard commands"},

    {"digest-commands", OPT_DIGEST_COMMANDS, '-',

     "List of message digest commands"},

    {"digest-algorithms", OPT_DIGEST_ALGORITHMS, '-',

     "List of message digest algorithms"},

    {"cipher-commands", OPT_CIPHER_COMMANDS, '-', "List of cipher commands"},

    {"cipher-algorithms", OPT_CIPHER_ALGORITHMS, '-',

     "List of cipher algorithms"},

    {"public-key-algorithms", OPT_PK_ALGORITHMS, '-',

     "List of public key algorithms"},

    {"public-key-methods", OPT_PK_METHOD, '-',

     "List of public key methods"},

    {"disabled", OPT_DISABLED, '-',

     "List of disabled features"},

    {"missing-help", OPT_MISSING_HELP, '-',

     "List missing detailed help strings"},

    {"options", OPT_OPTIONS, 's',

     "List options for specified command"},

    {NULL}

};

int list_main(int argc, char **argv)

{

    char *prog;

    HELPLIST_CHOICE o;

    int one = 0, done = 0;

    prog = opt_init(argc, argv, list_options);

    while ((o = opt_next()) != OPT_EOF) {

        switch (o) {

        case OPT_EOF:  /* Never hit, but suppresses warning */

        case OPT_ERR:

opthelp:

            BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);

            return 1;

        case OPT_HELP:

            opt_help(list_options);

            break;

        case OPT_ONE:

            one = 1;

            break;

        case OPT_COMMANDS:

            list_type(FT_general, one);

            break;

        case OPT_DIGEST_COMMANDS:

            list_type(FT_md, one);

            break;

        case OPT_DIGEST_ALGORITHMS:

            EVP_MD_do_all_sorted(list_md_fn, bio_out);

            break;

        case OPT_CIPHER_COMMANDS:

            list_type(FT_cipher, one);

            break;

        case OPT_CIPHER_ALGORITHMS:

            EVP_CIPHER_do_all_sorted(list_cipher_fn, bio_out);

            break;

        case OPT_PK_ALGORITHMS:

            list_pkey();

            break;

        case OPT_PK_METHOD:

            list_pkey_meth();

            break;

        case OPT_DISABLED:

            list_disabled();

            break;

        case OPT_MISSING_HELP:

            list_missing_help();

            break;

        case OPT_OPTIONS:

            list_options_for_command(opt_arg());

            break;

        }

        done = 1;

    }

    if (opt_num_rest() != 0) {

        BIO_printf(bio_err, "Extra arguments given.\n");

        goto opthelp;

    }

    if (!done)

        goto opthelp;

    return 0;

}

typedef enum HELP_CHOICE {

    OPT_hERR = -1, OPT_hEOF = 0, OPT_hHELP

} HELP_CHOICE;

const OPTIONS help_options[] = {

    {OPT_HELP_STR, 1, '-', "Usage: help [options]\n"},

    {OPT_HELP_STR, 1, '-', "       help [command]\n"},

    {"help", OPT_hHELP, '-', "Display this summary"},

    {NULL}

};

int help_main(int argc, char **argv)

{

    FUNCTION *fp;

    int i, nl;

    FUNC_TYPE tp;

    char *prog;

    HELP_CHOICE o;

    DISPLAY_COLUMNS dc;

    prog = opt_init(argc, argv, help_options);

    while ((o = opt_next()) != OPT_hEOF) {

        switch (o) {

        case OPT_hERR:

        case OPT_hEOF:

            BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);

            return 1;

        case OPT_hHELP:

            opt_help(help_options);

            return 0;

        }

    }

    if (opt_num_rest() == 1) {

        char *new_argv[3];

        new_argv[0] = opt_rest()[0];

        new_argv[1] = "--help";

        new_argv[2] = NULL;

        return do_cmd(prog_init(), 2, new_argv);

    }

    if (opt_num_rest() != 0) {

        BIO_printf(bio_err, "Usage: %s\n", prog);

        return 1;

    }

    calculate_columns(&dc);

    BIO_printf(bio_err, "Standard commands");

    i = 0;

    tp = FT_none;

    for (fp = functions; fp->name != NULL; fp++) {

        nl = 0;

        if (i++ % dc.columns == 0) {

            BIO_printf(bio_err, "\n");

            nl = 1;

        }

        if (fp->type != tp) {

            tp = fp->type;

            if (!nl)

                BIO_printf(bio_err, "\n");

            if (tp == FT_md) {

                i = 1;

                BIO_printf(bio_err,

                           "\nMessage Digest commands (see the `dgst' command for more details)\n");

            } else if (tp == FT_cipher) {

                i = 1;

                BIO_printf(bio_err,

                           "\nCipher commands (see the `enc' command for more details)\n");

            }

        }

        BIO_printf(bio_err, "%-*s", dc.width, fp->name);

    }

    BIO_printf(bio_err, "\n\n");

    return 0;

}

static void list_type(FUNC_TYPE ft, int one)

{

    FUNCTION *fp;

    int i = 0;

    DISPLAY_COLUMNS dc = {0};

    if (!one)

        calculate_columns(&dc);

    for (fp = functions; fp->name != NULL; fp++) {

        if (fp->type != ft)

            continue;

        if (one) {

            BIO_printf(bio_out, "%s\n", fp->name);

        } else {

            if (i % dc.columns == 0 && i > 0)

                BIO_printf(bio_out, "\n");

            BIO_printf(bio_out, "%-*s", dc.width, fp->name);

            i++;

        }

    }

    if (!one)

        BIO_printf(bio_out, "\n\n");

}

static int do_cmd(LHASH_OF(FUNCTION) *prog, int argc, char *argv[])

{

    FUNCTION f, *fp;

    if (argc <= 0 || argv[0] == NULL)

        return 0;

    f.name = argv[0];

    fp = lh_FUNCTION_retrieve(prog, &f);

    if (fp == NULL) {

        if (EVP_get_digestbyname(argv[0])) {

            f.type = FT_md;

            f.func = dgst_main;

            fp = &f;

        } else if (EVP_get_cipherbyname(argv[0])) {

            f.type = FT_cipher;

            f.func = enc_main;

            fp = &f;

        }

    }

    if (fp != NULL) {

        return fp->func(argc, argv);

    }

    if ((strncmp(argv[0], "no-", 3)) == 0) {

        /*

         * User is asking if foo is unsupported, by trying to "run" the

         * no-foo command.  Strange.

         */

        f.name = argv[0] + 3;

        if (lh_FUNCTION_retrieve(prog, &f) == NULL) {

            BIO_printf(bio_out, "%s\n", argv[0]);

            return 0;

        }

        BIO_printf(bio_out, "%s\n", argv[0] + 3);

        return 1;

    }

    if (strcmp(argv[0], "quit") == 0 || strcmp(argv[0], "q") == 0 ||

        strcmp(argv[0], "exit") == 0 || strcmp(argv[0], "bye") == 0)

        /* Special value to mean "exit the program. */

        return EXIT_THE_PROGRAM;

    BIO_printf(bio_err, "Invalid command '%s'; type \"help\" for a list.\n",

               argv[0]);

    return 1;

}

static void list_pkey(void)

{

    int i;

    for (i = 0; i < EVP_PKEY_asn1_get_count(); i++) {

        const EVP_PKEY_ASN1_METHOD *ameth;

        int pkey_id, pkey_base_id, pkey_flags;

        const char *pinfo, *pem_str;

        ameth = EVP_PKEY_asn1_get0(i);

        EVP_PKEY_asn1_get0_info(&pkey_id, &pkey_base_id, &pkey_flags,

                                &pinfo, &pem_str, ameth);

        if (pkey_flags & ASN1_PKEY_ALIAS) {

            BIO_printf(bio_out, "Name: %s\n", OBJ_nid2ln(pkey_id));

            BIO_printf(bio_out, "\tAlias for: %s\n",

                       OBJ_nid2ln(pkey_base_id));

        } else {

            BIO_printf(bio_out, "Name: %s\n", pinfo);

            BIO_printf(bio_out, "\tType: %s Algorithm\n",

                       pkey_flags & ASN1_PKEY_DYNAMIC ?

                       "External" : "Builtin");

            BIO_printf(bio_out, "\tOID: %s\n", OBJ_nid2ln(pkey_id));

            if (pem_str == NULL)

                pem_str = "(none)";

            BIO_printf(bio_out, "\tPEM string: %s\n", pem_str);

        }

    }

}

static void list_pkey_meth(void)

{

    size_t i;

    size_t meth_count = EVP_PKEY_meth_get_count();

    for (i = 0; i < meth_count; i++) {

        const EVP_PKEY_METHOD *pmeth = EVP_PKEY_meth_get0(i);

        int pkey_id, pkey_flags;

        EVP_PKEY_meth_get0_info(&pkey_id, &pkey_flags, pmeth);

        BIO_printf(bio_out, "%s\n", OBJ_nid2ln(pkey_id));

        BIO_printf(bio_out, "\tType: %s Algorithm\n",

                   pkey_flags & ASN1_PKEY_DYNAMIC ?  "External" : "Builtin");

    }

}

static int function_cmp(const FUNCTION * a, const FUNCTION * b)

{

    return strncmp(a->name, b->name, 8);

}

static unsigned long function_hash(const FUNCTION * a)

{

    return OPENSSL_LH_strhash(a->name);

}

static int SortFnByName(const void *_f1, const void *_f2)

{

    const FUNCTION *f1 = _f1;

    const FUNCTION *f2 = _f2;

    if (f1->type != f2->type)

        return f1->type - f2->type;

    return strcmp(f1->name, f2->name);

}

static void list_disabled(void)

{

    BIO_puts(bio_out, "Disabled algorithms:\n");

#ifdef OPENSSL_NO_ARIA

    BIO_puts(bio_out, "ARIA\n");

#endif

#ifdef OPENSSL_NO_BF

    BIO_puts(bio_out, "BF\n");

#endif

#ifdef OPENSSL_NO_BLAKE2

    BIO_puts(bio_out, "BLAKE2\n");

#endif

#ifdef OPENSSL_NO_CAMELLIA

    BIO_puts(bio_out, "CAMELLIA\n");

#endif

#ifdef OPENSSL_NO_CAST

    BIO_puts(bio_out, "CAST\n");

#endif

#ifdef OPENSSL_NO_CMAC

    BIO_puts(bio_out, "CMAC\n");

#endif

#ifdef OPENSSL_NO_CMS

    BIO_puts(bio_out, "CMS\n");

#endif

#ifdef OPENSSL_NO_COMP

    BIO_puts(bio_out, "COMP\n");

#endif

#ifdef OPENSSL_NO_DES

    BIO_puts(bio_out, "DES\n");

#endif

#ifdef OPENSSL_NO_DGRAM

    BIO_puts(bio_out, "DGRAM\n");

#endif

#ifdef OPENSSL_NO_DH

    BIO_puts(bio_out, "DH\n");

#endif

#ifdef OPENSSL_NO_DSA

    BIO_puts(bio_out, "DSA\n");

#endif

#if defined(OPENSSL_NO_DTLS)

    BIO_puts(bio_out, "DTLS\n");

#endif

#if defined(OPENSSL_NO_DTLS1)

    BIO_puts(bio_out, "DTLS1\n");

#endif

#if defined(OPENSSL_NO_DTLS1_2)

    BIO_puts(bio_out, "DTLS1_2\n");

#endif

#ifdef OPENSSL_NO_EC

    BIO_puts(bio_out, "EC\n");

#endif

#ifdef OPENSSL_NO_EC2M

    BIO_puts(bio_out, "EC2M\n");

#endif

#ifdef OPENSSL_NO_ENGINE

    BIO_puts(bio_out, "ENGINE\n");

#endif

#ifdef OPENSSL_NO_GOST

    BIO_puts(bio_out, "GOST\n");

#endif

#ifdef OPENSSL_NO_HEARTBEATS

    BIO_puts(bio_out, "HEARTBEATS\n");

#endif

#ifdef OPENSSL_NO_IDEA

    BIO_puts(bio_out, "IDEA\n");

#endif

#ifdef OPENSSL_NO_MD2

    BIO_puts(bio_out, "MD2\n");

#endif

#ifdef OPENSSL_NO_MD4

    BIO_puts(bio_out, "MD4\n");

#endif

#ifdef OPENSSL_NO_MD5

    BIO_puts(bio_out, "MD5\n");

#endif

#ifdef OPENSSL_NO_MDC2

    BIO_puts(bio_out, "MDC2\n");

#endif

#ifdef OPENSSL_NO_OCB

    BIO_puts(bio_out, "OCB\n");

#endif

#ifdef OPENSSL_NO_OCSP

    BIO_puts(bio_out, "OCSP\n");

#endif

#ifdef OPENSSL_NO_PSK

    BIO_puts(bio_out, "PSK\n");

#endif

#ifdef OPENSSL_NO_RC2

    BIO_puts(bio_out, "RC2\n");

#endif

#ifdef OPENSSL_NO_RC4

    BIO_puts(bio_out, "RC4\n");

#endif

#ifdef OPENSSL_NO_RC5

    BIO_puts(bio_out, "RC5\n");

#endif

#ifdef OPENSSL_NO_RMD160

    BIO_puts(bio_out, "RMD160\n");

#endif

#ifdef OPENSSL_NO_RSA

    BIO_puts(bio_out, "RSA\n");

#endif

#ifdef OPENSSL_NO_SCRYPT

    BIO_puts(bio_out, "SCRYPT\n");

#endif

#ifdef OPENSSL_NO_SCTP

    BIO_puts(bio_out, "SCTP\n");

#endif

#ifdef OPENSSL_NO_SEED

    BIO_puts(bio_out, "SEED\n");

#endif

#ifdef OPENSSL_NO_SM2

    BIO_puts(bio_out, "SM2\n");

#endif

#ifdef OPENSSL_NO_SM3

    BIO_puts(bio_out, "SM3\n");

#endif

#ifdef OPENSSL_NO_SM4

    BIO_puts(bio_out, "SM4\n");

#endif

#ifdef OPENSSL_NO_SOCK

    BIO_puts(bio_out, "SOCK\n");

#endif

#ifdef OPENSSL_NO_SRP

    BIO_puts(bio_out, "SRP\n");

#endif

#ifdef OPENSSL_NO_SRTP

    BIO_puts(bio_out, "SRTP\n");

#endif

#ifdef OPENSSL_NO_SSL3

    BIO_puts(bio_out, "SSL3\n");

#endif

#ifdef OPENSSL_NO_TLS1

    BIO_puts(bio_out, "TLS1\n");

#endif

#ifdef OPENSSL_NO_TLS1_1

    BIO_puts(bio_out, "TLS1_1\n");

#endif

#ifdef OPENSSL_NO_TLS1_2

    BIO_puts(bio_out, "TLS1_2\n");

#endif

#ifdef OPENSSL_NO_WHIRLPOOL

    BIO_puts(bio_out, "WHIRLPOOL\n");

#endif

#ifndef ZLIB

    BIO_puts(bio_out, "ZLIB\n");

#endif

}

static LHASH_OF(FUNCTION) *prog_init(void)

{

    static LHASH_OF(FUNCTION) *ret = NULL;

    static int prog_inited = 0;

    FUNCTION *f;

    size_t i;

    if (prog_inited)

        return ret;

    prog_inited = 1;

    /* Sort alphabetically within category. For nicer help displays. */

    for (i = 0, f = functions; f->name != NULL; ++f, ++i)

        ;

    qsort(functions, i, sizeof(*functions), SortFnByName);

    if ((ret = lh_FUNCTION_new(function_hash, function_cmp)) == NULL)

        return NULL;

    for (f = functions; f->name != NULL; f++)

        (void)lh_FUNCTION_insert(ret, f);

    return ret;

}