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📁 ..
📄 CA.pl.in(7.4 KB)
📄 app_rand.c(2.18 KB)
📄 apps.c(72.85 KB)
📄 apps.h(24.69 KB)
📄 asn1pars.c(10.31 KB)
📄 bf_prefix.c(4.77 KB)
📄 build.info(2.32 KB)
📄 ca-cert.srl(3 B)
📄 ca-key.pem(916 B)
📄 ca-req.pem(635 B)
📄 ca.c(83.78 KB)
📄 cert.pem(623 B)
📄 ciphers.c(7.19 KB)
📄 client.pem(3.21 KB)
📄 cms.c(44.05 KB)
📄 crl.c(10.79 KB)
📄 crl2p7.c(6.18 KB)
📄 ct_log_list.cnf(412 B)
📄 dgst.c(18.17 KB)
📄 dh1024.pem(446 B)
📄 dh2048.pem(662 B)
📄 dh4096.pem(1007 B)
📄 dhparam.c(11.15 KB)
📄 dsa-ca.pem(2.66 KB)
📄 dsa-pca.pem(2.67 KB)
📄 dsa.c(7.53 KB)
📄 dsa1024.pem(455 B)
📄 dsa512.pem(280 B)
📄 dsap.pem(276 B)
📄 dsaparam.c(7.8 KB)
📄 ec.c(8.13 KB)
📄 ecparam.c(14.65 KB)
📄 enc.c(20.74 KB)
📄 engine.c(15.56 KB)
📄 errstr.c(1.83 KB)
📄 gendsa.c(3.92 KB)
📄 genpkey.c(8.64 KB)
📄 genrsa.c(5.36 KB)
📄 nseq.c(3 KB)
📄 ocsp.c(49.51 KB)
📄 openssl.c(21.23 KB)
📄 openssl.cnf(10.67 KB)
📄 opt.c(23.61 KB)
📄 passwd.c(26.43 KB)
📄 pca-cert.srl(3 B)
📄 pca-key.pem(916 B)
📄 pca-req.pem(635 B)
📄 pkcs12.c(30.81 KB)
📄 pkcs7.c(5.38 KB)
📄 pkcs8.c(11.26 KB)
📄 pkey.c(7.24 KB)
📄 pkeyparam.c(3.66 KB)
📄 pkeyutl.c(15.58 KB)
📄 prime.c(3.56 KB)
📄 privkey.pem(916 B)
📄 progs.h(16.05 KB)
📄 progs.pl(5.43 KB)
📄 rand.c(3.35 KB)
📄 rehash.c(15.3 KB)
📄 req.c(51.46 KB)
📄 req.pem(627 B)
📄 rsa.c(9.3 KB)
📄 rsa8192.pem(6.21 KB)
📄 rsautl.c(7.81 KB)
📄 s1024key.pem(891 B)
📄 s1024req.pem(643 B)
📄 s512-key.pem(497 B)
📄 s512-req.pem(460 B)
📄 s_apps.h(3.3 KB)
📄 s_cb.c(47.04 KB)
📄 s_client.c(115.39 KB)
📄 s_server.c(116.36 KB)
📄 s_socket.c(13.43 KB)
📄 s_time.c(11.92 KB)
📄 server.pem(2.79 KB)
📄 server.srl(3 B)
📄 server2.pem(3.21 KB)
📄 sess_id.c(5.4 KB)
📄 smime.c(20.95 KB)
📄 speed.c(120.17 KB)
📄 spkac.c(5.73 KB)
📄 srp.c(20.09 KB)
📄 storeutl.c(16.13 KB)
📄 testCA.pem(432 B)
📄 testdsa.h(11.77 KB)
📄 testrsa.h(121.12 KB)
📄 timeouts.h(560 B)
📄 ts.c(30.19 KB)
📄 tsget.in(6.45 KB)
📄 verify.c(10.52 KB)
📄 version.c(5.07 KB)
📄 x509.c(39.25 KB)

Editing: bf_prefix.c

/*
 * Copyright 2018 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 <stdio.h>
#include <string.h>
#include <errno.h>
#include <openssl/bio.h>
#include "apps.h"

static int prefix_write(BIO *b, const char *out, size_t outl,
                        size_t *numwritten);
static int prefix_read(BIO *b, char *buf, size_t size, size_t *numread);
static int prefix_puts(BIO *b, const char *str);
static int prefix_gets(BIO *b, char *str, int size);
static long prefix_ctrl(BIO *b, int cmd, long arg1, void *arg2);
static int prefix_create(BIO *b);
static int prefix_destroy(BIO *b);
static long prefix_callback_ctrl(BIO *b, int cmd, BIO_info_cb *fp);

static BIO_METHOD *prefix_meth = NULL;

BIO_METHOD *apps_bf_prefix(void)
{
    if (prefix_meth == NULL) {
        if ((prefix_meth =
             BIO_meth_new(BIO_TYPE_FILTER, "Prefix filter")) == NULL
            || !BIO_meth_set_create(prefix_meth, prefix_create)
            || !BIO_meth_set_destroy(prefix_meth, prefix_destroy)
            || !BIO_meth_set_write_ex(prefix_meth, prefix_write)
            || !BIO_meth_set_read_ex(prefix_meth, prefix_read)
            || !BIO_meth_set_puts(prefix_meth, prefix_puts)
            || !BIO_meth_set_gets(prefix_meth, prefix_gets)
            || !BIO_meth_set_ctrl(prefix_meth, prefix_ctrl)
            || !BIO_meth_set_callback_ctrl(prefix_meth, prefix_callback_ctrl)) {
            BIO_meth_free(prefix_meth);
            prefix_meth = NULL;
        }
    }
    return prefix_meth;
}

typedef struct prefix_ctx_st {
    char *prefix;
    int linestart;               /* flag to indicate we're at the line start */
} PREFIX_CTX;

static int prefix_create(BIO *b)
{
    PREFIX_CTX *ctx = OPENSSL_zalloc(sizeof(*ctx));

if (ctx == NULL)
        return 0;

ctx->prefix = NULL;
    ctx->linestart = 1;
    BIO_set_data(b, ctx);
    BIO_set_init(b, 1);
    return 1;
}

static int prefix_destroy(BIO *b)
{
    PREFIX_CTX *ctx = BIO_get_data(b);

OPENSSL_free(ctx->prefix);
    OPENSSL_free(ctx);
    return 1;
}

static int prefix_read(BIO *b, char *in, size_t size, size_t *numread)
{
    return BIO_read_ex(BIO_next(b), in, size, numread);
}

static int prefix_write(BIO *b, const char *out, size_t outl,
                        size_t *numwritten)
{
    PREFIX_CTX *ctx = BIO_get_data(b);

if (ctx == NULL)
        return 0;

/* If no prefix is set or if it's empty, we've got nothing to do here */
    if (ctx->prefix == NULL || *ctx->prefix == '\0') {
        /* We do note if what comes next will be a new line, though */
        if (outl > 0)
            ctx->linestart = (out[outl-1] == '\n');
        return BIO_write_ex(BIO_next(b), out, outl, numwritten);
    }

*numwritten = 0;

while (outl > 0) {
        size_t i;
        char c;

/* If we know that we're at the start of the line, output the prefix */
        if (ctx->linestart) {
            size_t dontcare;

if (!BIO_write_ex(BIO_next(b), ctx->prefix, strlen(ctx->prefix),
                              &dontcare))
                return 0;
            ctx->linestart = 0;
        }

/* Now, go look for the next LF, or the end of the string */
        for (i = 0, c = '\0'; i < outl && (c = out[i]) != '\n'; i++)
            continue;
        if (c == '\n')
            i++;

/* Output what we found so far */
        while (i > 0) {
            size_t num = 0;

if (!BIO_write_ex(BIO_next(b), out, i, &num))
                return 0;
            out += num;
            outl -= num;
            *numwritten += num;
            i -= num;
        }

/* If we found a LF, what follows is a new line, so take note */
        if (c == '\n')
            ctx->linestart = 1;
    }

return 1;
}

static long prefix_ctrl(BIO *b, int cmd, long num, void *ptr)
{
    long ret = 0;

switch (cmd) {
    case PREFIX_CTRL_SET_PREFIX:
        {
            PREFIX_CTX *ctx = BIO_get_data(b);

if (ctx == NULL)
                break;

OPENSSL_free(ctx->prefix);
            ctx->prefix = OPENSSL_strdup((const char *)ptr);
            ret = ctx->prefix != NULL;
        }
        break;
    default:
        if (BIO_next(b) != NULL)
            ret = BIO_ctrl(BIO_next(b), cmd, num, ptr);
        break;
    }
    return ret;
}

static long prefix_callback_ctrl(BIO *b, int cmd, BIO_info_cb *fp)
{
    return BIO_callback_ctrl(BIO_next(b), cmd, fp);
}

static int prefix_gets(BIO *b, char *buf, int size)
{
    return BIO_gets(BIO_next(b), buf, size);
}

static int prefix_puts(BIO *b, const char *str)
{
    return BIO_write(b, str, strlen(str));
}

003 File Manager

Editing: bf_prefix.c

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