/* * Copyright 1995-2017 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; static UI_METHOD *ui_method = NULL; static const UI_METHOD *ui_fallback_method = NULL; 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 static unsigned long nmflag = 0; static char nmflag_set = 0; int set_nameopt(const char *arg) { int ret = set_name_ex(&nmflag, arg); if (ret) nmflag_set = 1; return ret; } unsigned long get_nameopt(void) { return (nmflag_set) ? nmflag : XN_FLAG_ONELINE; } int dump_cert_text(BIO *out, X509 *x) { print_name(out, "subject=", X509_get_subject_name(x), get_nameopt()); BIO_puts(out, "\n"); print_name(out, "issuer=", X509_get_issuer_name(x), get_nameopt()); BIO_puts(out, "\n"); return 0; } static int ui_open(UI *ui) { int (*opener)(UI *ui) = UI_method_get_opener(ui_fallback_method); if (opener) return opener(ui); return 1; } static int ui_read(UI *ui, UI_STRING *uis) { int (*reader)(UI *ui, UI_STRING *uis) = NULL; 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; } } break; case UIT_NONE: case UIT_BOOLEAN: case UIT_INFO: case UIT_ERROR: break; } } reader = UI_method_get_reader(ui_fallback_method); if (reader) return reader(ui, uis); return 1; } static int ui_write(UI *ui, UI_STRING *uis) { int (*writer)(UI *ui, UI_STRING *uis) = NULL; 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; } break; case UIT_NONE: case UIT_BOOLEAN: case UIT_INFO: case UIT_ERROR: break; } } writer = UI_method_get_writer(ui_fallback_method); if (writer) return writer(ui, uis); return 1; } static int ui_close(UI *ui) { int (*closer)(UI *ui) = UI_method_get_closer(ui_fallback_method); if (closer) return closer(ui); return 1; } int setup_ui_method(void) { ui_fallback_method = UI_null(); #ifndef OPENSSL_NO_UI_CONSOLE ui_fallback_method = UI_OpenSSL(); #endif 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; } } const UI_METHOD *get_ui_method(void) { return ui_method; } int password_callback(char *buf, int bufsiz, int verify, PW_CB_DATA *cb_tmp) { int res = 0; UI *ui = NULL; PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp; 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); 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); } 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 == NULL || arg1 == NULL || strcmp(arg1, arg2)) same = 0; else same = 1; if (arg1 != NULL) { *pass1 = app_get_pass(arg1, same); if (*pass1 == NULL) return 0; } else if (pass1 != NULL) { *pass1 = NULL; } if (arg2 != NULL) { *pass2 = app_get_pass(arg2, same ? 2 : 0); if (*pass2 == NULL) return 0; } else if (pass2 != NULL) { *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 == NULL) { BIO_printf(bio_err, "Can't read environment variable %s\n", arg + 4); return NULL; } return OPENSSL_strdup(tmp); } if (!keepbio || pwdbio == NULL) { if (strncmp(arg, "file:", 5) == 0) { pwdbio = BIO_new_file(arg + 5, "r"); if (pwdbio == NULL) { 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 != NULL) *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); 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 != NULL && *pcerts == NULL) { *pcerts = sk_X509_new_null(); if (*pcerts == NULL) goto end; } if (pcrls != NULL && *pcrls == NULL) { *pcrls = sk_X509_CRL_new_null(); if (*pcrls == NULL) goto end; } for (i = 0; i < sk_X509_INFO_num(xis); i++) { xi = sk_X509_INFO_value(xis, i); if (xi->x509 != NULL && pcerts != NULL) { if (!sk_X509_push(*pcerts, xi->x509)) goto end; xi->x509 = NULL; } if (xi->crl != NULL && pcrls != NULL) { if (!sk_X509_CRL_push(*pcrls, xi->crl)) goto end; xi->crl = NULL; } } if (pcerts != NULL && sk_X509_num(*pcerts) > 0) rv = 1; if (pcrls != NULL && sk_X509_CRL_num(*pcrls) > 0) rv = 1; end: sk_X509_INFO_pop_free(xis, X509_INFO_free); if (rv == 0) { if (pcerts != NULL) { sk_X509_pop_free(*pcerts, X509_free); *pcerts = NULL; } if (pcrls != NULL) { 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 != NULL) { 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; btmp = b == NULL ? BN_new() : b; if (btmp == NULL) return 0; if (!BN_rand(btmp, SERIAL_RAND_BITS, BN_RAND_TOP_ANY, BN_RAND_BOTTOM_ANY)) 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] = (unsigned char)(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(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(X509_getm_notAfter(x), enddate)) { return 0; } return 1; } void make_uppercase(char *string) { int i; for (i = 0; string[i] != '\0'; i++) string[i] = toupper((unsigned char)string[i]); }