From aa4d426b4d3527d7e166df1a05058c9a4a0f6683 Mon Sep 17 00:00:00 2001 From: Wojtek Kosior Date: Fri, 30 Apr 2021 00:33:56 +0200 Subject: initial/final commit --- openssl-1.1.0h/apps/apps.c | 2650 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 2650 insertions(+) create mode 100644 openssl-1.1.0h/apps/apps.c (limited to 'openssl-1.1.0h/apps/apps.c') diff --git a/openssl-1.1.0h/apps/apps.c b/openssl-1.1.0h/apps/apps.c new file mode 100644 index 0000000..8703d0c --- /dev/null +++ b/openssl-1.1.0h/apps/apps.c @@ -0,0 +1,2650 @@ +/* + * 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 + */ + +#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 +#include +#include +#include +#ifndef OPENSSL_NO_POSIX_IO +# include +# include +#endif +#include +#include +#include +#include +#include +#include +#include +#include +#include +#ifndef OPENSSL_NO_ENGINE +# include +#endif +#ifndef OPENSSL_NO_RSA +# include +#endif +#include +#include +#include "s_apps.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 + +typedef struct { + const char *name; + unsigned long flag; + unsigned long mask; +} NAME_EX_TBL; + +#if !defined(OPENSSL_NO_UI) || !defined(OPENSSL_NO_ENGINE) +static UI_METHOD *ui_method = NULL; +#endif + +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) + 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, + const char *CApath, int noCAfile, int noCApath) +{ + if (CAfile == NULL && CApath == 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; + + return 1; + } + return SSL_CTX_load_verify_locations(ctx, CAfile, CApath); +} + +#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 + +int dump_cert_text(BIO *out, X509 *x) +{ + char *p; + + p = X509_NAME_oneline(X509_get_subject_name(x), NULL, 0); + BIO_puts(out, "subject="); + BIO_puts(out, p); + OPENSSL_free(p); + + p = X509_NAME_oneline(X509_get_issuer_name(x), NULL, 0); + BIO_puts(out, "\nissuer="); + BIO_puts(out, p); + BIO_puts(out, "\n"); + OPENSSL_free(p); + + return 0; +} + +#ifndef OPENSSL_NO_UI +static int ui_open(UI *ui) +{ + return UI_method_get_opener(UI_OpenSSL())(ui); +} + +static int ui_read(UI *ui, UI_STRING *uis) +{ + if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD + && UI_get0_user_data(ui)) { + switch (UI_get_string_type(uis)) { + case UIT_PROMPT: + case UIT_VERIFY: + { + const char *password = + ((PW_CB_DATA *)UI_get0_user_data(ui))->password; + if (password && password[0] != '\0') { + UI_set_result(ui, uis, password); + return 1; + } + } + default: + break; + } + } + return UI_method_get_reader(UI_OpenSSL())(ui, uis); +} + +static int ui_write(UI *ui, UI_STRING *uis) +{ + if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD + && UI_get0_user_data(ui)) { + switch (UI_get_string_type(uis)) { + case UIT_PROMPT: + case UIT_VERIFY: + { + const char *password = + ((PW_CB_DATA *)UI_get0_user_data(ui))->password; + if (password && password[0] != '\0') + return 1; + } + default: + break; + } + } + return UI_method_get_writer(UI_OpenSSL())(ui, uis); +} + +static int ui_close(UI *ui) +{ + return UI_method_get_closer(UI_OpenSSL())(ui); +} + +int setup_ui_method(void) +{ + ui_method = UI_create_method("OpenSSL application user interface"); + UI_method_set_opener(ui_method, ui_open); + UI_method_set_reader(ui_method, ui_read); + UI_method_set_writer(ui_method, ui_write); + UI_method_set_closer(ui_method, ui_close); + return 0; +} + +void destroy_ui_method(void) +{ + if (ui_method) { + UI_destroy_method(ui_method); + ui_method = NULL; + } +} +#endif + +int password_callback(char *buf, int bufsiz, int verify, PW_CB_DATA *cb_tmp) +{ + int res = 0; +#ifndef OPENSSL_NO_UI + UI *ui = NULL; +#endif + PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp; + +#ifdef OPENSSL_NO_UI + if (cb_data != NULL && cb_data->password != NULL) { + res = strlen(cb_data->password); + if (res > bufsiz) + res = bufsiz; + memcpy(buf, cb_data->password, res); + } +#else + ui = UI_new_method(ui_method); + if (ui) { + int ok = 0; + char *buff = NULL; + int ui_flags = 0; + const char *prompt_info = NULL; + char *prompt; + + if (cb_data != NULL && cb_data->prompt_info != NULL) + prompt_info = cb_data->prompt_info; + prompt = UI_construct_prompt(ui, "pass phrase", prompt_info); + if (!prompt) { + BIO_printf(bio_err, "Out of memory\n"); + UI_free(ui); + return 0; + } + + ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD; + UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0); + + /* We know that there is no previous user data to return to us */ + (void)UI_add_user_data(ui, cb_data); + + if (ok >= 0) + ok = UI_add_input_string(ui, prompt, ui_flags, buf, + PW_MIN_LENGTH, bufsiz - 1); + if (ok >= 0 && verify) { + buff = app_malloc(bufsiz, "password buffer"); + ok = UI_add_verify_string(ui, prompt, ui_flags, buff, + PW_MIN_LENGTH, bufsiz - 1, buf); + } + if (ok >= 0) + do { + ok = UI_process(ui); + } + while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0)); + + OPENSSL_clear_free(buff, (unsigned int)bufsiz); + + if (ok >= 0) + res = strlen(buf); + if (ok == -1) { + BIO_printf(bio_err, "User interface error\n"); + ERR_print_errors(bio_err); + OPENSSL_cleanse(buf, (unsigned int)bufsiz); + res = 0; + } + if (ok == -2) { + BIO_printf(bio_err, "aborted!\n"); + OPENSSL_cleanse(buf, (unsigned int)bufsiz); + res = 0; + } + UI_free(ui); + OPENSSL_free(prompt); + } +#endif + return res; +} + +static char *app_get_pass(const char *arg, int keepbio); + +int app_passwd(const char *arg1, const char *arg2, char **pass1, char **pass2) +{ + int same; + if (!arg2 || !arg1 || strcmp(arg1, arg2)) + same = 0; + else + same = 1; + if (arg1) { + *pass1 = app_get_pass(arg1, same); + if (!*pass1) + return 0; + } else if (pass1) + *pass1 = NULL; + if (arg2) { + *pass2 = app_get_pass(arg2, same ? 2 : 0); + if (!*pass2) + return 0; + } else if (pass2) + *pass2 = NULL; + return 1; +} + +static char *app_get_pass(const char *arg, int keepbio) +{ + char *tmp, tpass[APP_PASS_LEN]; + static BIO *pwdbio = NULL; + int i; + + if (strncmp(arg, "pass:", 5) == 0) + return OPENSSL_strdup(arg + 5); + if (strncmp(arg, "env:", 4) == 0) { + tmp = getenv(arg + 4); + if (!tmp) { + BIO_printf(bio_err, "Can't read environment variable %s\n", arg + 4); + return NULL; + } + return OPENSSL_strdup(tmp); + } + if (!keepbio || !pwdbio) { + if (strncmp(arg, "file:", 5) == 0) { + pwdbio = BIO_new_file(arg + 5, "r"); + if (!pwdbio) { + 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) { + BIO_printf(bio_err, "Can't open BIO for stdin\n"); + return NULL; + } + } else { + BIO_printf(bio_err, "Invalid password argument \"%s\"\n", 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) + *tmp = 0; + return OPENSSL_strdup(tpass); +} + +static CONF *app_load_config_(BIO *in, const char *filename) +{ + long errorline = -1; + CONF *conf; + int i; + + conf = NCONF_new(NULL); + i = NCONF_load_bio(conf, in, &errorline); + if (i > 0) + return conf; + + if (errorline <= 0) + BIO_printf(bio_err, "%s: Can't load config file \"%s\"\n", + opt_getprog(), filename); + else + BIO_printf(bio_err, "%s: Error on line %ld of config file \"%s\"\n", + opt_getprog(), errorline, filename); + 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_(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_(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; +} + +static int load_pkcs12(BIO *in, const char *desc, + pem_password_cb *pem_cb, void *cb_data, + EVP_PKEY **pkey, X509 **cert, STACK_OF(X509) **ca) +{ + const char *pass; + char tpass[PEM_BUFSIZE]; + int len, ret = 0; + PKCS12 *p12; + p12 = d2i_PKCS12_bio(in, NULL); + if (p12 == NULL) { + BIO_printf(bio_err, "Error loading PKCS12 file for %s\n", desc); + goto die; + } + /* See if an empty password will do */ + if (PKCS12_verify_mac(p12, "", 0) || PKCS12_verify_mac(p12, NULL, 0)) + pass = ""; + else { + if (!pem_cb) + pem_cb = (pem_password_cb *)password_callback; + len = pem_cb(tpass, PEM_BUFSIZE, 0, cb_data); + if (len < 0) { + BIO_printf(bio_err, "Passphrase callback error for %s\n", desc); + goto die; + } + if (len < PEM_BUFSIZE) + tpass[len] = 0; + if (!PKCS12_verify_mac(p12, tpass, len)) { + BIO_printf(bio_err, + "Mac verify error (wrong password?) in PKCS12 file for %s\n", + desc); + goto die; + } + pass = tpass; + } + ret = PKCS12_parse(p12, pass, pkey, cert, ca); + die: + PKCS12_free(p12); + return ret; +} + +#if !defined(OPENSSL_NO_OCSP) && !defined(OPENSSL_NO_SOCK) +static int load_cert_crl_http(const char *url, X509 **pcert, X509_CRL **pcrl) +{ + char *host = NULL, *port = NULL, *path = NULL; + BIO *bio = NULL; + OCSP_REQ_CTX *rctx = NULL; + int use_ssl, rv = 0; + if (!OCSP_parse_url(url, &host, &port, &path, &use_ssl)) + goto err; + if (use_ssl) { + BIO_puts(bio_err, "https not supported\n"); + goto err; + } + bio = BIO_new_connect(host); + if (!bio || !BIO_set_conn_port(bio, port)) + goto err; + rctx = OCSP_REQ_CTX_new(bio, 1024); + if (rctx == NULL) + goto err; + if (!OCSP_REQ_CTX_http(rctx, "GET", path)) + goto err; + if (!OCSP_REQ_CTX_add1_header(rctx, "Host", host)) + goto err; + if (pcert) { + do { + rv = X509_http_nbio(rctx, pcert); + } while (rv == -1); + } else { + do { + rv = X509_CRL_http_nbio(rctx, pcrl); + } while (rv == -1); + } + + err: + OPENSSL_free(host); + OPENSSL_free(path); + OPENSSL_free(port); + if (bio) + BIO_free_all(bio); + OCSP_REQ_CTX_free(rctx); + if (rv != 1) { + BIO_printf(bio_err, "Error loading %s from %s\n", + pcert ? "certificate" : "CRL", url); + ERR_print_errors(bio_err); + } + return rv; +} +#endif + +X509 *load_cert(const char *file, int format, const char *cert_descrip) +{ + X509 *x = NULL; + BIO *cert; + + if (format == FORMAT_HTTP) { +#if !defined(OPENSSL_NO_OCSP) && !defined(OPENSSL_NO_SOCK) + load_cert_crl_http(file, &x, NULL); +#endif + return x; + } + + if (file == NULL) { + unbuffer(stdin); + cert = dup_bio_in(format); + } else + cert = bio_open_default(file, 'r', format); + if (cert == NULL) + goto end; + + if (format == FORMAT_ASN1) + x = d2i_X509_bio(cert, NULL); + else if (format == FORMAT_PEM) + x = PEM_read_bio_X509_AUX(cert, NULL, + (pem_password_cb *)password_callback, NULL); + else if (format == FORMAT_PKCS12) { + if (!load_pkcs12(cert, cert_descrip, NULL, NULL, NULL, &x, NULL)) + goto end; + } else { + BIO_printf(bio_err, "bad input format specified for %s\n", cert_descrip); + goto end; + } + end: + if (x == NULL) { + BIO_printf(bio_err, "unable to load certificate\n"); + ERR_print_errors(bio_err); + } + BIO_free(cert); + return (x); +} + +X509_CRL *load_crl(const char *infile, int format) +{ + X509_CRL *x = NULL; + BIO *in = NULL; + + if (format == FORMAT_HTTP) { +#if !defined(OPENSSL_NO_OCSP) && !defined(OPENSSL_NO_SOCK) + load_cert_crl_http(infile, NULL, &x); +#endif + return x; + } + + in = bio_open_default(infile, 'r', format); + if (in == NULL) + goto end; + if (format == FORMAT_ASN1) + x = d2i_X509_CRL_bio(in, NULL); + else if (format == FORMAT_PEM) + x = PEM_read_bio_X509_CRL(in, NULL, NULL, NULL); + else { + BIO_printf(bio_err, "bad input format specified for input crl\n"); + goto end; + } + if (x == NULL) { + BIO_printf(bio_err, "unable to load CRL\n"); + ERR_print_errors(bio_err); + goto end; + } + + end: + BIO_free(in); + return (x); +} + +EVP_PKEY *load_key(const char *file, int format, int maybe_stdin, + const char *pass, ENGINE *e, const char *key_descrip) +{ + BIO *key = NULL; + EVP_PKEY *pkey = NULL; + PW_CB_DATA cb_data; + + cb_data.password = pass; + cb_data.prompt_info = file; + + if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE)) { + BIO_printf(bio_err, "no keyfile specified\n"); + goto end; + } + if (format == FORMAT_ENGINE) { + if (e == NULL) + BIO_printf(bio_err, "no engine specified\n"); + else { +#ifndef OPENSSL_NO_ENGINE + if (ENGINE_init(e)) { + pkey = ENGINE_load_private_key(e, file, ui_method, &cb_data); + ENGINE_finish(e); + } + if (pkey == NULL) { + BIO_printf(bio_err, "cannot load %s from engine\n", key_descrip); + ERR_print_errors(bio_err); + } +#else + BIO_printf(bio_err, "engines not supported\n"); +#endif + } + goto end; + } + if (file == NULL && maybe_stdin) { + unbuffer(stdin); + key = dup_bio_in(format); + } else + key = bio_open_default(file, 'r', format); + if (key == NULL) + goto end; + if (format == FORMAT_ASN1) { + pkey = d2i_PrivateKey_bio(key, NULL); + } else if (format == FORMAT_PEM) { + pkey = PEM_read_bio_PrivateKey(key, NULL, + (pem_password_cb *)password_callback, + &cb_data); + } + else if (format == FORMAT_PKCS12) { + if (!load_pkcs12(key, key_descrip, + (pem_password_cb *)password_callback, &cb_data, + &pkey, NULL, NULL)) + goto end; + } +#if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA) && !defined (OPENSSL_NO_RC4) + else if (format == FORMAT_MSBLOB) + pkey = b2i_PrivateKey_bio(key); + else if (format == FORMAT_PVK) + pkey = b2i_PVK_bio(key, (pem_password_cb *)password_callback, + &cb_data); +#endif + else { + BIO_printf(bio_err, "bad input format specified for key file\n"); + goto end; + } + end: + BIO_free(key); + if (pkey == NULL) { + BIO_printf(bio_err, "unable to load %s\n", key_descrip); + ERR_print_errors(bio_err); + } + return (pkey); +} + +EVP_PKEY *load_pubkey(const char *file, int format, int maybe_stdin, + const char *pass, ENGINE *e, const char *key_descrip) +{ + BIO *key = NULL; + EVP_PKEY *pkey = NULL; + PW_CB_DATA cb_data; + + cb_data.password = pass; + cb_data.prompt_info = file; + + if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE)) { + BIO_printf(bio_err, "no keyfile specified\n"); + goto end; + } + if (format == FORMAT_ENGINE) { + if (e == NULL) + BIO_printf(bio_err, "no engine specified\n"); + else { +#ifndef OPENSSL_NO_ENGINE + pkey = ENGINE_load_public_key(e, file, ui_method, &cb_data); + if (pkey == NULL) { + BIO_printf(bio_err, "cannot load %s from engine\n", key_descrip); + ERR_print_errors(bio_err); + } +#else + BIO_printf(bio_err, "engines not supported\n"); +#endif + } + goto end; + } + if (file == NULL && maybe_stdin) { + unbuffer(stdin); + key = dup_bio_in(format); + } else + key = bio_open_default(file, 'r', format); + if (key == NULL) + goto end; + if (format == FORMAT_ASN1) { + pkey = d2i_PUBKEY_bio(key, NULL); + } + else if (format == FORMAT_ASN1RSA) { +#ifndef OPENSSL_NO_RSA + RSA *rsa; + rsa = d2i_RSAPublicKey_bio(key, NULL); + if (rsa) { + pkey = EVP_PKEY_new(); + if (pkey != NULL) + EVP_PKEY_set1_RSA(pkey, rsa); + RSA_free(rsa); + } else +#else + BIO_printf(bio_err, "RSA keys not supported\n"); +#endif + pkey = NULL; + } else if (format == FORMAT_PEMRSA) { +#ifndef OPENSSL_NO_RSA + RSA *rsa; + rsa = PEM_read_bio_RSAPublicKey(key, NULL, + (pem_password_cb *)password_callback, + &cb_data); + if (rsa != NULL) { + pkey = EVP_PKEY_new(); + if (pkey != NULL) + EVP_PKEY_set1_RSA(pkey, rsa); + RSA_free(rsa); + } else +#else + BIO_printf(bio_err, "RSA keys not supported\n"); +#endif + pkey = NULL; + } + else if (format == FORMAT_PEM) { + pkey = PEM_read_bio_PUBKEY(key, NULL, + (pem_password_cb *)password_callback, + &cb_data); + } +#if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA) + else if (format == FORMAT_MSBLOB) + pkey = b2i_PublicKey_bio(key); +#endif + end: + BIO_free(key); + if (pkey == NULL) + BIO_printf(bio_err, "unable to load %s\n", key_descrip); + return (pkey); +} + +static int load_certs_crls(const char *file, int format, + const char *pass, const char *desc, + STACK_OF(X509) **pcerts, + STACK_OF(X509_CRL) **pcrls) +{ + int i; + BIO *bio; + STACK_OF(X509_INFO) *xis = NULL; + X509_INFO *xi; + PW_CB_DATA cb_data; + int rv = 0; + + cb_data.password = pass; + cb_data.prompt_info = file; + + if (format != FORMAT_PEM) { + BIO_printf(bio_err, "bad input format specified for %s\n", desc); + return 0; + } + + bio = bio_open_default(file, 'r', FORMAT_PEM); + if (bio == NULL) + return 0; + + xis = PEM_X509_INFO_read_bio(bio, NULL, + (pem_password_cb *)password_callback, + &cb_data); + + BIO_free(bio); + + if (pcerts && *pcerts == NULL) { + *pcerts = sk_X509_new_null(); + if (!*pcerts) + goto end; + } + + if (pcrls && *pcrls == NULL) { + *pcrls = sk_X509_CRL_new_null(); + if (!*pcrls) + goto end; + } + + for (i = 0; i < sk_X509_INFO_num(xis); i++) { + xi = sk_X509_INFO_value(xis, i); + if (xi->x509 && pcerts) { + if (!sk_X509_push(*pcerts, xi->x509)) + goto end; + xi->x509 = NULL; + } + if (xi->crl && pcrls) { + if (!sk_X509_CRL_push(*pcrls, xi->crl)) + goto end; + xi->crl = NULL; + } + } + + if (pcerts && sk_X509_num(*pcerts) > 0) + rv = 1; + + if (pcrls && sk_X509_CRL_num(*pcrls) > 0) + rv = 1; + + end: + + sk_X509_INFO_pop_free(xis, X509_INFO_free); + + if (rv == 0) { + if (pcerts) { + sk_X509_pop_free(*pcerts, X509_free); + *pcerts = NULL; + } + if (pcrls) { + sk_X509_CRL_pop_free(*pcrls, X509_CRL_free); + *pcrls = NULL; + } + BIO_printf(bio_err, "unable to load %s\n", + pcerts ? "certificates" : "CRLs"); + ERR_print_errors(bio_err); + } + return rv; +} + +void* app_malloc(int sz, const char *what) +{ + void *vp = OPENSSL_malloc(sz); + + if (vp == NULL) { + BIO_printf(bio_err, "%s: Could not allocate %d bytes for %s\n", + opt_getprog(), sz, what); + ERR_print_errors(bio_err); + exit(1); + } + return vp; +} + +/* + * Initialize or extend, if *certs != NULL, a certificate stack. + */ +int load_certs(const char *file, STACK_OF(X509) **certs, int format, + const char *pass, const char *desc) +{ + return load_certs_crls(file, format, pass, desc, certs, NULL); +} + +/* + * Initialize or extend, if *crls != NULL, a certificate stack. + */ +int load_crls(const char *file, STACK_OF(X509_CRL) **crls, int format, + const char *pass, const char *desc) +{ + return load_certs_crls(file, format, pass, desc, NULL, crls); +} + +#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_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, 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\t0x00"); + else { + int i, l; + + l = BN_bn2bin(in, buffer); + for (i = 0; i < l; i++) { + if ((i % 10) == 0) + BIO_printf(out, "\n\t"); + 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, const char *CApath, int noCAfile, int noCApath) +{ + X509_STORE *store = X509_STORE_new(); + X509_LOOKUP *lookup; + + 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) { + if (!X509_LOOKUP_load_file(lookup, CAfile, X509_FILETYPE_PEM)) { + BIO_printf(bio_err, "Error loading file %s\n", CAfile); + goto end; + } + } else + X509_LOOKUP_load_file(lookup, NULL, X509_FILETYPE_DEFAULT); + } + + if (CApath != NULL || !noCApath) { + lookup = X509_STORE_add_lookup(store, X509_LOOKUP_hash_dir()); + if (lookup == NULL) + goto end; + if (CApath) { + 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); + } + + ERR_clear_error(); + return store; + end: + X509_STORE_free(store); + return NULL; +} + +#ifndef OPENSSL_NO_ENGINE +/* Try to load an engine in a shareable library */ +static ENGINE *try_load_engine(const char *engine) +{ + ENGINE *e = ENGINE_by_id("dynamic"); + if (e) { + if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0) + || !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0)) { + ENGINE_free(e); + e = NULL; + } + } + return e; +} +#endif + +ENGINE *setup_engine(const char *engine, int debug) +{ + ENGINE *e = NULL; + +#ifndef OPENSSL_NO_ENGINE + if (engine) { + if (strcmp(engine, "auto") == 0) { + BIO_printf(bio_err, "enabling auto ENGINE support\n"); + ENGINE_register_all_complete(); + return NULL; + } + if ((e = ENGINE_by_id(engine)) == NULL + && (e = try_load_engine(engine)) == NULL) { + BIO_printf(bio_err, "invalid engine \"%s\"\n", engine); + ERR_print_errors(bio_err); + return NULL; + } + if (debug) { + ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM, 0, bio_err, 0); + } + ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1); + if (!ENGINE_set_default(e, ENGINE_METHOD_ALL)) { + BIO_printf(bio_err, "can't use that engine\n"); + ERR_print_errors(bio_err); + ENGINE_free(e); + return NULL; + } + + BIO_printf(bio_err, "engine \"%s\" set.\n", ENGINE_get_id(e)); + } +#endif + return e; +} + +void release_engine(ENGINE *e) +{ +#ifndef OPENSSL_NO_ENGINE + if (e != NULL) + /* Free our "structural" reference. */ + ENGINE_free(e); +#endif +} + +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: + 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) { + ERR_print_errors(bio_err); + 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: + 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: + return 0; +} + +int rand_serial(BIGNUM *b, ASN1_INTEGER *ai) +{ + BIGNUM *btmp; + int ret = 0; + + if (b) + btmp = b; + else + btmp = BN_new(); + + if (btmp == NULL) + return 0; + + if (!BN_pseudo_rand(btmp, SERIAL_RAND_BITS, 0, 0)) + 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]; + + in = BIO_new_file(dbfile, "r"); + if (in == NULL) { + ERR_print_errors(bio_err); + goto err; + } + 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(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); + } + } + + err: + NCONF_free(dbattr_conf); + TXT_DB_free(tmpdb); + BIO_free_all(in); + return retdb; +} + +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); + return 0; + } + + 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); + return 0; + } + return 1; +} + +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: + 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: + return 0; +} + +void free_index(CA_DB *db) +{ + if (db) { + TXT_DB_free(db->db); + 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 characters may be escaped by \ + */ +X509_NAME *parse_name(const char *cp, long chtype, int canmulti) +{ + int nextismulti = 0; + char *work; + X509_NAME *n; + + if (*cp++ != '/') + return NULL; + + n = X509_NAME_new(); + if (n == NULL) + return NULL; + work = OPENSSL_strdup(cp); + if (work == NULL) + goto err; + + while (*cp) { + char *bp = work; + char *typestr = bp; + unsigned char *valstr; + int nid; + int ismulti = nextismulti; + nextismulti = 0; + + /* Collect the type */ + while (*cp && *cp != '=') + *bp++ = *cp++; + if (*cp == '\0') { + BIO_printf(bio_err, + "%s: Hit end of string before finding the equals.\n", + opt_getprog()); + goto err; + } + *bp++ = '\0'; + ++cp; + + /* Collect the value. */ + valstr = (unsigned char *)bp; + for (; *cp && *cp != '/'; *bp++ = *cp++) { + if (canmulti && *cp == '+') { + nextismulti = 1; + break; + } + if (*cp == '\\' && *++cp == '\0') { + BIO_printf(bio_err, + "%s: escape character at end of string\n", + opt_getprog()); + goto err; + } + } + *bp++ = '\0'; + + /* If not at EOS (must be + or /), move forward. */ + if (*cp) + ++cp; + + /* Parse */ + nid = OBJ_txt2nid(typestr); + if (nid == NID_undef) { + BIO_printf(bio_err, "%s: Skipping unknown attribute \"%s\"\n", + opt_getprog(), typestr); + continue; + } + if (!X509_NAME_add_entry_by_NID(n, nid, chtype, + valstr, strlen((char *)valstr), + -1, ismulti ? -1 : 0)) + 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, " \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; + + len = strlen(in); + if (len >= 65535) + return NULL; + + out = app_malloc(strlen(in) + 1, "NPN buffer"); + for (i = 0; i <= len; ++i) { + if (i == len || in[i] == ',') { + if (i - start > 255) { + OPENSSL_free(out); + return NULL; + } + out[start] = i - start; + start = i + 1; + } else + out[i + 1] = in[i]; + } + + *outlen = len + 1; + 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, >ype); + 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, FORMAT_HTTP); + } + return NULL; +} + +/* + * Example of downloading CRLs from CRLDP: not usable for real world as it + * always downloads, doesn't support non-blocking I/O and doesn't cache + * anything. + */ + +static STACK_OF(X509_CRL) *crls_http_cb(X509_STORE_CTX *ctx, 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); +} + +/* + * Platform-specific sections + */ +#if defined(_WIN32) +# ifdef fileno +# undef fileno +# define fileno(a) (int)_fileno(a) +# endif + +# include +# include + +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_SYSTEM_VXWORKS) +# include + +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(OPENSSL_SYSTEM_VMS) +# include +# include + +double app_tminterval(int stop, int usertime) +{ + static clock_t tmstart; + double ret = 0; + clock_t now; +# ifdef __TMS + struct tms rus; + + now = times(&rus); + if (usertime) + now = rus.tms_utime; +# else + if (usertime) + now = clock(); /* sum of user and kernel times */ + else { + struct timeval tv; + gettimeofday(&tv, NULL); + now = (clock_t)((unsigned long long)tv.tv_sec * CLK_TCK + + (unsigned long long)tv.tv_usec * (1000000 / CLK_TCK) + ); + } +# endif + if (stop == TM_START) + tmstart = now; + else + ret = (now - tmstart) / (double)(CLK_TCK); + + return (ret); +} + +#elif defined(_SC_CLK_TCK) /* by means of unistd.h */ +# include + +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 +# include + +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 +} + +/* app_isdir section */ +#ifdef _WIN32 +int app_isdir(const char *name) +{ + DWORD attr; +# if defined(UNICODE) || defined(_UNICODE) + size_t i, len_0 = strlen(name) + 1; + WCHAR tempname[MAX_PATH]; + + if (len_0 > MAX_PATH) + return -1; + +# if !defined(_WIN32_WCE) || _WIN32_WCE>=101 + if (!MultiByteToWideChar(CP_ACP, 0, name, len_0, tempname, MAX_PATH)) +# endif + for (i = 0; i < len_0; i++) + tempname[i] = (WCHAR)name[i]; + + attr = GetFileAttributes(tempname); +# else + attr = GetFileAttributes(name); +# endif + if (attr == INVALID_FILE_ATTRIBUTES) + return -1; + return ((attr & FILE_ATTRIBUTE_DIRECTORY) != 0); +} +#else +# include +# ifndef S_ISDIR +# if defined(_S_IFMT) && defined(_S_IFDIR) +# define S_ISDIR(a) (((a) & _S_IFMT) == _S_IFDIR) +# else +# define S_ISDIR(a) (((a) & S_IFMT) == S_IFDIR) +# endif +# endif + +int app_isdir(const char *name) +{ +# if defined(S_ISDIR) + struct stat st; + + if (stat(name, &st) == 0) + return S_ISDIR(st.st_mode); + else + return -1; +# else + return -1; +# endif +} +#endif + +/* 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 + +int raw_read_stdin(void *buf, int siz) +{ + return recv(fileno_stdin(), buf, siz, 0); +} +#else +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); +} +#else +int raw_write_stdout(const void *buf, int siz) +{ + return write(fileno_stdout(), buf, siz); +} +#endif + +/* + * Centralized handling if 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 platform, such as differentiating between + * text and binary input/output on non-Unix platforms + */ +static int istext(int format) +{ + return (format & B_FORMAT_TEXT) == B_FORMAT_TEXT; +} + +BIO *dup_bio_in(int format) +{ + return BIO_new_fp(stdin, + BIO_NOCLOSE | (istext(format) ? BIO_FP_TEXT : 0)); +} + +BIO *dup_bio_out(int format) +{ + BIO *b = BIO_new_fp(stdout, + BIO_NOCLOSE | (istext(format) ? BIO_FP_TEXT : 0)); +#ifdef OPENSSL_SYS_VMS + if (istext(format)) + b = BIO_push(BIO_new(BIO_f_linebuffer()), b); +#endif + return b; +} + +BIO *dup_bio_err(int format) +{ + BIO *b = BIO_new_fp(stderr, + BIO_NOCLOSE | (istext(format) ? BIO_FP_TEXT : 0)); +#ifdef OPENSSL_SYS_VMS + if (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 istext(format) ? "a" : "ab"; + case 'r': + return istext(format) ? "r" : "rb"; + case 'w': + return 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 = 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 + return _kbhit(); +} +#endif + +/* Corrupt a signature by modifying final byte */ +void corrupt_signature(const ASN1_STRING *signature) +{ + unsigned char *s = signature->data; + s[signature->length - 1] ^= 0x1; +} + +int set_cert_times(X509 *x, const char *startdate, const char *enddate, + int days) +{ + if (startdate == NULL || strcmp(startdate, "today") == 0) { + if (X509_gmtime_adj(X509_getm_notBefore(x), 0) == NULL) + return 0; + } else { + if (!ASN1_TIME_set_string(X509_getm_notBefore(x), startdate)) + return 0; + } + if (enddate == NULL) { + if (X509_time_adj_ex(X509_getm_notAfter(x), days, 0, NULL) + == NULL) + return 0; + } else if (!ASN1_TIME_set_string(X509_getm_notAfter(x), enddate)) { + return 0; + } + return 1; +} -- cgit v1.2.3