/* * Copyright 1995-2023 The OpenSSL Project Authors. All Rights Reserved. * * Licensed under the Apache License 2.0 (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 #ifndef OPENSSL_NO_ENGINE /* We need to use some deprecated APIs */ # define OPENSSL_SUPPRESS_DEPRECATED # include #endif #include #include #include #include #ifndef OPENSSL_NO_POSIX_IO # include # include #endif #include #include #include #include #include #include #include #include #include #include #include #include #include #include #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 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) # include #endif #if defined(OPENSSL_SYS_MSDOS) && !defined(_WIN32) || defined(__BORLANDC__) # define _kbhit kbhit #endif static BIO *bio_open_default_(const char *filename, char mode, int format, int quiet); #define PASS_SOURCE_SIZE_MAX 4 DEFINE_STACK_OF(CONF) typedef struct { const char *name; unsigned long flag; unsigned long mask; } NAME_EX_TBL; 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 == '\0') 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, int noCAfile, const char *CApath, int noCApath, const char *CAstore, int noCAstore) { if (CAfile == NULL && CApath == NULL && CAstore == 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; if (!noCAstore && SSL_CTX_set_default_verify_store(ctx) <= 0) return 0; return 1; } if (CAfile != NULL && !SSL_CTX_load_verify_file(ctx, CAfile)) return 0; if (CApath != NULL && !SSL_CTX_load_verify_dir(ctx, CApath)) return 0; if (CAstore != NULL && !SSL_CTX_load_verify_store(ctx, CAstore)) return 0; return 1; } #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_SEP_CPLUS_SPC | ASN1_STRFLGS_UTF8_CONVERT; } void dump_cert_text(BIO *out, X509 *x) { print_name(out, "subject=", X509_get_subject_name(x)); print_name(out, "issuer=", X509_get_issuer_name(x)); } int wrap_password_callback(char *buf, int bufsiz, int verify, void *userdata) { return password_callback(buf, bufsiz, verify, (PW_CB_DATA *)userdata); } static char *app_get_pass(const char *arg, int keepbio); char *get_passwd(const char *pass, const char *desc) { char *result = NULL; if (desc == NULL) desc = ""; if (!app_passwd(pass, NULL, &result, NULL)) BIO_printf(bio_err, "Error getting password for %s\n", desc); if (pass != NULL && result == NULL) { BIO_printf(bio_err, "Trying plain input string (better precede with 'pass:')\n"); result = OPENSSL_strdup(pass); if (result == NULL) BIO_printf(bio_err, "Out of memory getting password for %s\n", desc); } return result; } int app_passwd(const char *arg1, const char *arg2, char **pass1, char **pass2) { int same = arg1 != NULL && arg2 != NULL && strcmp(arg1, arg2) == 0; 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) { static BIO *pwdbio = NULL; char *tmp, tpass[APP_PASS_LEN]; int i; /* PASS_SOURCE_SIZE_MAX = max number of chars before ':' in below strings */ if (CHECK_AND_SKIP_PREFIX(arg, "pass:")) return OPENSSL_strdup(arg); if (CHECK_AND_SKIP_PREFIX(arg, "env:")) { tmp = getenv(arg); if (tmp == NULL) { BIO_printf(bio_err, "No environment variable %s\n", arg); return NULL; } return OPENSSL_strdup(tmp); } if (!keepbio || pwdbio == NULL) { if (CHECK_AND_SKIP_PREFIX(arg, "file:")) { pwdbio = BIO_new_file(arg, "r"); if (pwdbio == NULL) { BIO_printf(bio_err, "Can't open file %s\n", arg); 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 (CHECK_AND_SKIP_PREFIX(arg, "fd:")) { BIO *btmp; i = atoi(arg); if (i >= 0) pwdbio = BIO_new_fd(i, BIO_NOCLOSE); if ((i < 0) || pwdbio == NULL) { BIO_printf(bio_err, "Can't access file descriptor %s\n", arg); return NULL; } /* * Can't do BIO_gets on an fd BIO so add a buffering BIO */ btmp = BIO_new(BIO_f_buffer()); if (btmp == NULL) { BIO_free_all(pwdbio); pwdbio = NULL; BIO_printf(bio_err, "Out of memory\n"); return NULL; } pwdbio = BIO_push(btmp, pwdbio); #endif } else if (strcmp(arg, "stdin") == 0) { unbuffer(stdin); pwdbio = dup_bio_in(FORMAT_TEXT); if (pwdbio == NULL) { BIO_printf(bio_err, "Can't open BIO for stdin\n"); return NULL; } } else { /* argument syntax error; do not reveal too much about arg */ tmp = strchr(arg, ':'); if (tmp == NULL || tmp - arg > PASS_SOURCE_SIZE_MAX) BIO_printf(bio_err, "Invalid password argument, missing ':' within the first %d chars\n", PASS_SOURCE_SIZE_MAX + 1); else BIO_printf(bio_err, "Invalid password argument, starting with \"%.*s\"\n", (int)(tmp - arg + 1), 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); } char *app_conf_try_string(const CONF *conf, const char *group, const char *name) { char *res; ERR_set_mark(); res = NCONF_get_string(conf, group, name); if (res == NULL) ERR_pop_to_mark(); else ERR_clear_last_mark(); return res; } int app_conf_try_number(const CONF *conf, const char *group, const char *name, long *result) { int ok; ERR_set_mark(); ok = NCONF_get_number(conf, group, name, result); if (!ok) ERR_pop_to_mark(); else ERR_clear_last_mark(); return ok; } CONF *app_load_config_bio(BIO *in, const char *filename) { long errorline = -1; CONF *conf; int i; conf = NCONF_new_ex(app_get0_libctx(), NULL); i = NCONF_load_bio(conf, in, &errorline); if (i > 0) return conf; if (errorline <= 0) { BIO_printf(bio_err, "%s: Can't load ", opt_getprog()); } else { BIO_printf(bio_err, "%s: Error on line %ld of ", opt_getprog(), errorline); } if (filename != NULL) BIO_printf(bio_err, "config file \"%s\"\n", filename); else BIO_printf(bio_err, "config input"); NCONF_free(conf); return NULL; } CONF *app_load_config_verbose(const char *filename, int verbose) { if (verbose) { if (*filename == '\0') BIO_printf(bio_err, "No configuration used\n"); else BIO_printf(bio_err, "Using configuration from %s\n", filename); } return app_load_config_internal(filename, 0); } CONF *app_load_config_internal(const char *filename, int quiet) { BIO *in; CONF *conf; if (filename == NULL || *filename != '\0') { if ((in = bio_open_default_(filename, 'r', FORMAT_TEXT, quiet)) == NULL) return NULL; conf = app_load_config_bio(in, filename); BIO_free(in); } else { /* Return empty config if filename is empty string. */ conf = NCONF_new_ex(app_get0_libctx(), NULL); } 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 = app_conf_try_string(conf, NULL, "oid_section")) == NULL) 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; } CONF *app_load_config_modules(const char *configfile) { CONF *conf = NULL; if (configfile != NULL) { if ((conf = app_load_config_verbose(configfile, 1)) == NULL) return NULL; if (configfile != default_config_file && !app_load_modules(conf)) { NCONF_free(conf); conf = NULL; } } return conf; } #define IS_HTTP(uri) ((uri) != NULL && HAS_PREFIX(uri, OSSL_HTTP_PREFIX)) #define IS_HTTPS(uri) ((uri) != NULL && HAS_PREFIX(uri, OSSL_HTTPS_PREFIX)) X509 *load_cert_pass(const char *uri, int format, int maybe_stdin, const char *pass, const char *desc) { X509 *cert = NULL; if (desc == NULL) desc = "certificate"; if (IS_HTTPS(uri)) { BIO_printf(bio_err, "Loading %s over HTTPS is unsupported\n", desc); } else if (IS_HTTP(uri)) { cert = X509_load_http(uri, NULL, NULL, 0 /* timeout */); if (cert == NULL) { ERR_print_errors(bio_err); BIO_printf(bio_err, "Unable to load %s from %s\n", desc, uri); } } else { (void)load_key_certs_crls(uri, format, maybe_stdin, pass, desc, 0, NULL, NULL, NULL, &cert, NULL, NULL, NULL); } return cert; } X509_CRL *load_crl(const char *uri, int format, int maybe_stdin, const char *desc) { X509_CRL *crl = NULL; if (desc == NULL) desc = "CRL"; if (IS_HTTPS(uri)) { BIO_printf(bio_err, "Loading %s over HTTPS is unsupported\n", desc); } else if (IS_HTTP(uri)) { crl = X509_CRL_load_http(uri, NULL, NULL, 0 /* timeout */); if (crl == NULL) { ERR_print_errors(bio_err); BIO_printf(bio_err, "Unable to load %s from %s\n", desc, uri); } } else { (void)load_key_certs_crls(uri, format, maybe_stdin, NULL, desc, 0, NULL, NULL, NULL, NULL, NULL, &crl, NULL); } return crl; } /* Could be simplified if OSSL_STORE supported CSRs, see FR #15725 */ X509_REQ *load_csr(const char *file, int format, const char *desc) { X509_REQ *req = NULL; BIO *in; if (format == FORMAT_UNDEF) format = FORMAT_PEM; in = bio_open_default(file, 'r', format); if (in == NULL) goto end; if (format == FORMAT_ASN1) req = d2i_X509_REQ_bio(in, NULL); else if (format == FORMAT_PEM) req = PEM_read_bio_X509_REQ(in, NULL, NULL, NULL); else print_format_error(format, OPT_FMT_PEMDER); end: if (req == NULL) { ERR_print_errors(bio_err); if (desc != NULL) BIO_printf(bio_err, "Unable to load %s\n", desc); } BIO_free(in); return req; } /* Better extend OSSL_STORE to support CSRs, see FR #15725 */ X509_REQ *load_csr_autofmt(const char *infile, int format, STACK_OF(OPENSSL_STRING) *vfyopts, const char *desc) { X509_REQ *csr; if (format != FORMAT_UNDEF) { csr = load_csr(infile, format, desc); } else { /* try PEM, then DER */ BIO *bio_bak = bio_err; bio_err = NULL; /* do not show errors on more than one try */ csr = load_csr(infile, FORMAT_PEM, NULL /* desc */); bio_err = bio_bak; if (csr == NULL) { ERR_clear_error(); csr = load_csr(infile, FORMAT_ASN1, NULL /* desc */); } if (csr == NULL) { BIO_printf(bio_err, "error: unable to load %s from file '%s'\n", desc, infile); } } if (csr != NULL) { EVP_PKEY *pkey = X509_REQ_get0_pubkey(csr); int ret = do_X509_REQ_verify(csr, pkey, vfyopts); if (pkey == NULL || ret < 0) BIO_puts(bio_err, "Warning: error while verifying CSR self-signature\n"); else if (ret == 0) BIO_puts(bio_err, "Warning: CSR self-signature does not match the contents\n"); return csr; } return csr; } void cleanse(char *str) { if (str != NULL) OPENSSL_cleanse(str, strlen(str)); } void clear_free(char *str) { if (str != NULL) OPENSSL_clear_free(str, strlen(str)); } EVP_PKEY *load_key(const char *uri, int format, int may_stdin, const char *pass, ENGINE *e, const char *desc) { EVP_PKEY *pkey = NULL; char *allocated_uri = NULL; if (desc == NULL) desc = "private key"; if (format == FORMAT_ENGINE) uri = allocated_uri = make_engine_uri(e, uri, desc); (void)load_key_certs_crls(uri, format, may_stdin, pass, desc, 0, &pkey, NULL, NULL, NULL, NULL, NULL, NULL); OPENSSL_free(allocated_uri); return pkey; } /* first try reading public key, on failure resort to loading private key */ EVP_PKEY *load_pubkey(const char *uri, int format, int maybe_stdin, const char *pass, ENGINE *e, const char *desc) { EVP_PKEY *pkey = NULL; char *allocated_uri = NULL; if (desc == NULL) desc = "public key"; if (format == FORMAT_ENGINE) uri = allocated_uri = make_engine_uri(e, uri, desc); (void)load_key_certs_crls(uri, format, maybe_stdin, pass, desc, 1, NULL, &pkey, NULL, NULL, NULL, NULL, NULL); if (pkey == NULL) (void)load_key_certs_crls(uri, format, maybe_stdin, pass, desc, 0, &pkey, NULL, NULL, NULL, NULL, NULL, NULL); OPENSSL_free(allocated_uri); return pkey; } EVP_PKEY *load_keyparams_suppress(const char *uri, int format, int maybe_stdin, const char *keytype, const char *desc, int suppress_decode_errors) { EVP_PKEY *params = NULL; if (desc == NULL) desc = "key parameters"; (void)load_key_certs_crls(uri, format, maybe_stdin, NULL, desc, suppress_decode_errors, NULL, NULL, ¶ms, NULL, NULL, NULL, NULL); if (params != NULL && keytype != NULL && !EVP_PKEY_is_a(params, keytype)) { ERR_print_errors(bio_err); BIO_printf(bio_err, "Unable to load %s from %s (unexpected parameters type)\n", desc, uri); EVP_PKEY_free(params); params = NULL; } return params; } EVP_PKEY *load_keyparams(const char *uri, int format, int maybe_stdin, const char *keytype, const char *desc) { return load_keyparams_suppress(uri, format, maybe_stdin, keytype, desc, 0); } void app_bail_out(char *fmt, ...) { va_list args; va_start(args, fmt); BIO_vprintf(bio_err, fmt, args); va_end(args); ERR_print_errors(bio_err); exit(EXIT_FAILURE); } void *app_malloc(size_t sz, const char *what) { void *vp = OPENSSL_malloc(sz); if (vp == NULL) app_bail_out("%s: Could not allocate %zu bytes for %s\n", opt_getprog(), sz, what); return vp; } char *next_item(char *opt) /* in list separated by comma and/or space */ { /* advance to separator (comma or whitespace), if any */ while (*opt != ',' && !isspace(_UC(*opt)) && *opt != '\0') opt++; if (*opt != '\0') { /* terminate current item */ *opt++ = '\0'; /* skip over any whitespace after separator */ while (isspace(_UC(*opt))) opt++; } return *opt == '\0' ? NULL : opt; /* NULL indicates end of input */ } static void warn_cert_msg(const char *uri, X509 *cert, const char *msg) { char *subj = X509_NAME_oneline(X509_get_subject_name(cert), NULL, 0); BIO_printf(bio_err, "Warning: certificate from '%s' with subject '%s' %s\n", uri, subj, msg); OPENSSL_free(subj); } static void warn_cert(const char *uri, X509 *cert, int warn_EE, X509_VERIFY_PARAM *vpm) { uint32_t ex_flags = X509_get_extension_flags(cert); int res = X509_cmp_timeframe(vpm, X509_get0_notBefore(cert), X509_get0_notAfter(cert)); if (res != 0) warn_cert_msg(uri, cert, res > 0 ? "has expired" : "not yet valid"); if (warn_EE && (ex_flags & EXFLAG_V1) == 0 && (ex_flags & EXFLAG_CA) == 0) warn_cert_msg(uri, cert, "is not a CA cert"); } static void warn_certs(const char *uri, STACK_OF(X509) *certs, int warn_EE, X509_VERIFY_PARAM *vpm) { int i; for (i = 0; i < sk_X509_num(certs); i++) warn_cert(uri, sk_X509_value(certs, i), warn_EE, vpm); } int load_cert_certs(const char *uri, X509 **pcert, STACK_OF(X509) **pcerts, int exclude_http, const char *pass, const char *desc, X509_VERIFY_PARAM *vpm) { int ret = 0; char *pass_string; if (desc == NULL) desc = pcerts == NULL ? "certificate" : "certificates"; if (exclude_http && (HAS_CASE_PREFIX(uri, "http://") || HAS_CASE_PREFIX(uri, "https://"))) { BIO_printf(bio_err, "error: HTTP retrieval not allowed for %s\n", desc); return ret; } pass_string = get_passwd(pass, desc); ret = load_key_certs_crls(uri, FORMAT_UNDEF, 0, pass_string, desc, 0, NULL, NULL, NULL, pcert, pcerts, NULL, NULL); clear_free(pass_string); if (ret) { if (pcert != NULL) warn_cert(uri, *pcert, 0, vpm); if (pcerts != NULL) warn_certs(uri, *pcerts, 1, vpm); } else { if (pcerts != NULL) { OSSL_STACK_OF_X509_free(*pcerts); *pcerts = NULL; } } return ret; } STACK_OF(X509) *load_certs_multifile(char *files, const char *pass, const char *desc, X509_VERIFY_PARAM *vpm) { STACK_OF(X509) *certs = NULL; STACK_OF(X509) *result = sk_X509_new_null(); if (files == NULL) goto err; if (result == NULL) goto oom; while (files != NULL) { char *next = next_item(files); if (!load_cert_certs(files, NULL, &certs, 0, pass, desc, vpm)) goto err; if (!X509_add_certs(result, certs, X509_ADD_FLAG_UP_REF | X509_ADD_FLAG_NO_DUP)) goto oom; OSSL_STACK_OF_X509_free(certs); certs = NULL; files = next; } return result; oom: BIO_printf(bio_err, "out of memory\n"); err: OSSL_STACK_OF_X509_free(certs); OSSL_STACK_OF_X509_free(result); return NULL; } static X509_STORE *sk_X509_to_store(X509_STORE *store /* may be NULL */, const STACK_OF(X509) *certs /* may NULL */) { int i; if (store == NULL) store = X509_STORE_new(); if (store == NULL) return NULL; for (i = 0; i < sk_X509_num(certs); i++) { if (!X509_STORE_add_cert(store, sk_X509_value(certs, i))) { X509_STORE_free(store); return NULL; } } return store; } /* * Create cert store structure with certificates read from given file(s). * Returns pointer to created X509_STORE on success, NULL on error. */ X509_STORE *load_certstore(char *input, const char *pass, const char *desc, X509_VERIFY_PARAM *vpm) { X509_STORE *store = NULL; STACK_OF(X509) *certs = NULL; while (input != NULL) { char *next = next_item(input); int ok; if (!load_cert_certs(input, NULL, &certs, 1, pass, desc, vpm)) { X509_STORE_free(store); return NULL; } ok = (store = sk_X509_to_store(store, certs)) != NULL; OSSL_STACK_OF_X509_free(certs); certs = NULL; if (!ok) return NULL; input = next; } return store; } /* * Initialize or extend, if *certs != NULL, a certificate stack. * The caller is responsible for freeing *certs if its value is left not NULL. */ int load_certs(const char *uri, int maybe_stdin, STACK_OF(X509) **certs, const char *pass, const char *desc) { int ret, was_NULL = *certs == NULL; if (desc == NULL) desc = "certificates"; ret = load_key_certs_crls(uri, FORMAT_UNDEF, maybe_stdin, pass, desc, 0, NULL, NULL, NULL, NULL, certs, NULL, NULL); if (!ret && was_NULL) { OSSL_STACK_OF_X509_free(*certs); *certs = NULL; } return ret; } /* * Initialize or extend, if *crls != NULL, a certificate stack. * The caller is responsible for freeing *crls if its value is left not NULL. */ int load_crls(const char *uri, STACK_OF(X509_CRL) **crls, const char *pass, const char *desc) { int ret, was_NULL = *crls == NULL; if (desc == NULL) desc = "CRLs"; ret = load_key_certs_crls(uri, FORMAT_UNDEF, 0, pass, desc, 0, NULL, NULL, NULL, NULL, NULL, NULL, crls); if (!ret && was_NULL) { sk_X509_CRL_pop_free(*crls, X509_CRL_free); *crls = NULL; } return ret; } static const char *format2string(int format) { switch (format) { case FORMAT_PEM: return "PEM"; case FORMAT_ASN1: return "DER"; } return NULL; } /* Set type expectation, but clear it if objects of different types expected. */ #define SET_EXPECT(val) \ (expect = expect < 0 ? (val) : (expect == (val) ? (val) : 0)) #define SET_EXPECT1(pvar, val) \ if ((pvar) != NULL) { \ *(pvar) = NULL; \ SET_EXPECT(val); \ } #define FAIL_NAME \ (ppkey != NULL ? "private key" : ppubkey != NULL ? "public key" : \ pparams != NULL ? "key parameters" : \ pcert != NULL ? "certificate" : pcerts != NULL ? "certificates" : \ pcrl != NULL ? "CRL" : pcrls != NULL ? "CRLs" : NULL) /* * Load those types of credentials for which the result pointer is not NULL. * Reads from stdio if uri is NULL and maybe_stdin is nonzero. * For non-NULL ppkey, pcert, and pcrl the first suitable value found is loaded. * If pcerts is non-NULL and *pcerts == NULL then a new cert list is allocated. * If pcerts is non-NULL then all available certificates are appended to *pcerts * except any certificate assigned to *pcert. * If pcrls is non-NULL and *pcrls == NULL then a new list of CRLs is allocated. * If pcrls is non-NULL then all available CRLs are appended to *pcerts * except any CRL assigned to *pcrl. * In any case (also on error) the caller is responsible for freeing all members * of *pcerts and *pcrls (as far as they are not NULL). */ int load_key_certs_crls(const char *uri, int format, int maybe_stdin, const char *pass, const char *desc, int quiet, EVP_PKEY **ppkey, EVP_PKEY **ppubkey, EVP_PKEY **pparams, X509 **pcert, STACK_OF(X509) **pcerts, X509_CRL **pcrl, STACK_OF(X509_CRL) **pcrls) { PW_CB_DATA uidata; OSSL_STORE_CTX *ctx = NULL; OSSL_LIB_CTX *libctx = app_get0_libctx(); const char *propq = app_get0_propq(); int ncerts = 0, ncrls = 0, expect = -1; const char *failed = FAIL_NAME; const char *input_type; OSSL_PARAM itp[2]; const OSSL_PARAM *params = NULL; if (failed == NULL) { if (!quiet) BIO_printf(bio_err, "Internal error: nothing to load from %s\n", uri != NULL ? uri : ""); return 0; } ERR_set_mark(); SET_EXPECT1(ppkey, OSSL_STORE_INFO_PKEY); SET_EXPECT1(ppubkey, OSSL_STORE_INFO_PUBKEY); SET_EXPECT1(pparams, OSSL_STORE_INFO_PARAMS); SET_EXPECT1(pcert, OSSL_STORE_INFO_CERT); if (pcerts != NULL) { if (*pcerts == NULL && (*pcerts = sk_X509_new_null()) == NULL) { if (!quiet) BIO_printf(bio_err, "Out of memory loading"); goto end; } SET_EXPECT(OSSL_STORE_INFO_CERT); } SET_EXPECT1(pcrl, OSSL_STORE_INFO_CRL); if (pcrls != NULL) { if (*pcrls == NULL && (*pcrls = sk_X509_CRL_new_null()) == NULL) { if (!quiet) BIO_printf(bio_err, "Out of memory loading"); goto end; } SET_EXPECT(OSSL_STORE_INFO_CRL); } uidata.password = pass; uidata.prompt_info = uri; if ((input_type = format2string(format)) != NULL) { itp[0] = OSSL_PARAM_construct_utf8_string(OSSL_STORE_PARAM_INPUT_TYPE, (char *)input_type, 0); itp[1] = OSSL_PARAM_construct_end(); params = itp; } if (uri == NULL) { BIO *bio; if (!maybe_stdin) { if (!quiet) BIO_printf(bio_err, "No filename or uri specified for loading\n"); goto end; } uri = ""; unbuffer(stdin); bio = BIO_new_fp(stdin, 0); if (bio != NULL) { ctx = OSSL_STORE_attach(bio, "file", libctx, propq, get_ui_method(), &uidata, params, NULL, NULL); BIO_free(bio); } } else { ctx = OSSL_STORE_open_ex(uri, libctx, propq, get_ui_method(), &uidata, params, NULL, NULL); } if (ctx == NULL) goto end; if (expect > 0 && !OSSL_STORE_expect(ctx, expect)) goto end; failed = NULL; while ((ppkey != NULL || ppubkey != NULL || pparams != NULL || pcert != NULL || pcerts != NULL || pcrl != NULL || pcrls != NULL) && !OSSL_STORE_eof(ctx)) { OSSL_STORE_INFO *info = OSSL_STORE_load(ctx); int type, ok = 1; /* * This can happen (for example) if we attempt to load a file with * multiple different types of things in it - but the thing we just * tried to load wasn't one of the ones we wanted, e.g. if we're trying * to load a certificate but the file has both the private key and the * certificate in it. We just retry until eof. */ if (info == NULL) { continue; } type = OSSL_STORE_INFO_get_type(info); switch (type) { case OSSL_STORE_INFO_PKEY: if (ppkey != NULL) { ok = (*ppkey = OSSL_STORE_INFO_get1_PKEY(info)) != NULL; if (ok) ppkey = NULL; break; } /* * An EVP_PKEY with private parts also holds the public parts, * so if the caller asked for a public key, and we got a private * key, we can still pass it back. */ /* fall through */ case OSSL_STORE_INFO_PUBKEY: if (ppubkey != NULL) { ok = (*ppubkey = OSSL_STORE_INFO_get1_PUBKEY(info)) != NULL; if (ok) ppubkey = NULL; } break; case OSSL_STORE_INFO_PARAMS: if (pparams != NULL) { ok = (*pparams = OSSL_STORE_INFO_get1_PARAMS(info)) != NULL; if (ok) pparams = NULL; } break; case OSSL_STORE_INFO_CERT: if (pcert != NULL) { ok = (*pcert = OSSL_STORE_INFO_get1_CERT(info)) != NULL; if (ok) pcert = NULL; } else if (pcerts != NULL) { ok = X509_add_cert(*pcerts, OSSL_STORE_INFO_get1_CERT(info), X509_ADD_FLAG_DEFAULT); } ncerts += ok; break; case OSSL_STORE_INFO_CRL: if (pcrl != NULL) { ok = (*pcrl = OSSL_STORE_INFO_get1_CRL(info)) != NULL; if (ok) pcrl = NULL; } else if (pcrls != NULL) { ok = sk_X509_CRL_push(*pcrls, OSSL_STORE_INFO_get1_CRL(info)); } ncrls += ok; break; default: /* skip any other type */ break; } OSSL_STORE_INFO_free(info); if (!ok) { failed = OSSL_STORE_INFO_type_string(type); if (!quiet) BIO_printf(bio_err, "Error reading"); break; } } end: OSSL_STORE_close(ctx); if (ncerts > 0) pcerts = NULL; if (ncrls > 0) pcrls = NULL; if (failed == NULL) { failed = FAIL_NAME; if (failed != NULL && !quiet) BIO_printf(bio_err, "Could not find"); } else if (!quiet) { BIO_printf(bio_err, "Could not read"); } if (failed != NULL && !quiet) { unsigned long err = ERR_peek_last_error(); if (desc != NULL && strstr(desc, failed) != NULL) { BIO_printf(bio_err, " %s", desc); } else { BIO_printf(bio_err, " %s", failed); if (desc != NULL) BIO_printf(bio_err, " of %s", desc); } if (uri != NULL) BIO_printf(bio_err, " from %s", uri); if (ERR_SYSTEM_ERROR(err)) { /* provide more readable diagnostic output */ BIO_printf(bio_err, ": %s", strerror(ERR_GET_REASON(err))); ERR_pop_to_mark(); ERR_set_mark(); } BIO_printf(bio_err, "\n"); ERR_print_errors(bio_err); } if (quiet || failed == NULL) /* clear any suppressed or spurious errors */ ERR_pop_to_mark(); else ERR_clear_last_mark(); return failed == NULL; } #define X509V3_EXT_UNKNOWN_MASK (0xfL << 16) #define X509V3_EXT_DEFAULT 0 /* Return error for unknown exts */ #define X509V3_EXT_ERROR_UNKNOWN (1L << 16) /* Print error for unknown exts */ #define X509V3_EXT_PARSE_UNKNOWN (2L << 16) /* ASN1 parse unknown extensions */ #define X509V3_EXT_DUMP_UNKNOWN (3L << 16) /* BIO_dump unknown extensions */ #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_COMPAT && (*flags & XN_FLAG_SEP_MASK) == 0) *flags |= XN_FLAG_SEP_CPLUS_SPC; return 1; } int set_dateopt(unsigned long *dateopt, const char *arg) { if (OPENSSL_strcasecmp(arg, "rfc_822") == 0) *dateopt = ASN1_DTFLGS_RFC822; else if (OPENSSL_strcasecmp(arg, "iso_8601") == 0) *dateopt = ASN1_DTFLGS_ISO8601; else return 0; return 1; } int set_ext_copy(int *copy_type, const char *arg) { if (OPENSSL_strcasecmp(arg, "none") == 0) *copy_type = EXT_COPY_NONE; else if (OPENSSL_strcasecmp(arg, "copy") == 0) *copy_type = EXT_COPY_ADD; else if (OPENSSL_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; int i, ret = 0; if (x == NULL || req == NULL) return 0; if (copy_type == EXT_COPY_NONE) return 1; exts = X509_REQ_get_extensions(req); for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) { X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i); ASN1_OBJECT *obj = X509_EXTENSION_get_object(ext); int idx = X509_get_ext_by_OBJ(x, obj, -1); /* Does extension exist in target? */ 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 { X509_EXTENSION_free(X509_delete_ext(x, idx)); 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 (OPENSSL_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, const X509_NAME *nm) { char *buf; char mline = 0; int indent = 0; unsigned long lflags = get_nameopt(); if (out == NULL) return; if (title != NULL) 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 0x00"); } else { int i, l; l = BN_bn2bin(in, buffer); for (i = 0; i < l; i++) { BIO_printf(out, (i % 10) == 0 ? "\n " : " "); 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, int noCAfile, const char *CApath, int noCApath, const char *CAstore, int noCAstore) { X509_STORE *store = X509_STORE_new(); X509_LOOKUP *lookup; OSSL_LIB_CTX *libctx = app_get0_libctx(); const char *propq = app_get0_propq(); 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 != NULL) { if (X509_LOOKUP_load_file_ex(lookup, CAfile, X509_FILETYPE_PEM, libctx, propq) <= 0) { ERR_clear_error(); if (X509_LOOKUP_load_file_ex(lookup, CAfile, X509_FILETYPE_ASN1, libctx, propq) <= 0) { BIO_printf(bio_err, "Error loading file %s\n", CAfile); goto end; } } } else { X509_LOOKUP_load_file_ex(lookup, NULL, X509_FILETYPE_DEFAULT, libctx, propq); } } if (CApath != NULL || !noCApath) { lookup = X509_STORE_add_lookup(store, X509_LOOKUP_hash_dir()); if (lookup == NULL) goto end; if (CApath != NULL) { if (X509_LOOKUP_add_dir(lookup, CApath, X509_FILETYPE_PEM) <= 0) { BIO_printf(bio_err, "Error loading directory %s\n", CApath); goto end; } } else { X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT); } } if (CAstore != NULL || !noCAstore) { lookup = X509_STORE_add_lookup(store, X509_LOOKUP_store()); if (lookup == NULL) goto end; if (!X509_LOOKUP_add_store_ex(lookup, CAstore, libctx, propq)) { if (CAstore != NULL) BIO_printf(bio_err, "Error loading store URI %s\n", CAstore); goto end; } } ERR_clear_error(); return store; end: ERR_print_errors(bio_err); X509_STORE_free(store); return NULL; } 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 *exists, 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 (exists != NULL) *exists = in != NULL; if (in == NULL) { if (!create) { perror(serialfile); goto err; } ERR_clear_error(); ret = BN_new(); if (ret == NULL) { BIO_printf(bio_err, "Out of memory\n"); } else if (!rand_serial(ret, ai)) { BIO_printf(bio_err, "Error creating random number to store in %s\n", serialfile); BN_free(ret); ret = NULL; } } 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 != NULL && retai != NULL) { *retai = ai; ai = NULL; } err: if (ret == NULL) ERR_print_errors(bio_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) { 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: if (!ret) ERR_print_errors(bio_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: ERR_print_errors(bio_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]; #ifndef OPENSSL_NO_POSIX_IO FILE *dbfp; struct stat dbst; #endif in = BIO_new_file(dbfile, "r"); if (in == NULL) goto err; #ifndef OPENSSL_NO_POSIX_IO BIO_get_fp(in, &dbfp); if (fstat(fileno(dbfp), &dbst) == -1) { ERR_raise_data(ERR_LIB_SYS, errno, "calling fstat(%s)", dbfile); goto err; } #endif 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_quiet(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 != NULL) { char *p = app_conf_try_string(dbattr_conf, NULL, "unique_subject"); if (p != NULL) retdb->attributes.unique_subject = parse_yesno(p, 1); } retdb->dbfname = OPENSSL_strdup(dbfile); #ifndef OPENSSL_NO_POSIX_IO retdb->dbst = dbst; #endif err: ERR_print_errors(bio_err); NCONF_free(dbattr_conf); TXT_DB_free(tmpdb); BIO_free_all(in); return retdb; } /* * Returns > 0 on success, <= 0 on error */ 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); goto err; } 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); goto err; } return 1; err: ERR_print_errors(bio_err); return 0; } 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: ERR_print_errors(bio_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: ERR_print_errors(bio_err); return 0; } void free_index(CA_DB *db) { if (db) { TXT_DB_free(db->db); OPENSSL_free(db->dbfname); 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 + can be used instead of / to form multi-valued RDNs if canmulti * and characters may be escaped by \ */ X509_NAME *parse_name(const char *cp, int chtype, int canmulti, const char *desc) { int nextismulti = 0; char *work; X509_NAME *n; if (*cp++ != '/') { BIO_printf(bio_err, "%s: %s name is expected to be in the format " "/type0=value0/type1=value1/type2=... where characters may " "be escaped by \\. This name is not in that format: '%s'\n", opt_getprog(), desc, --cp); return NULL; } n = X509_NAME_new(); if (n == NULL) { BIO_printf(bio_err, "%s: Out of memory\n", opt_getprog()); return NULL; } work = OPENSSL_strdup(cp); if (work == NULL) { BIO_printf(bio_err, "%s: Error copying %s name input\n", opt_getprog(), desc); goto err; } while (*cp != '\0') { char *bp = work; char *typestr = bp; unsigned char *valstr; int nid; int ismulti = nextismulti; nextismulti = 0; /* Collect the type */ while (*cp != '\0' && *cp != '=') *bp++ = *cp++; *bp++ = '\0'; if (*cp == '\0') { BIO_printf(bio_err, "%s: Missing '=' after RDN type string '%s' in %s name string\n", opt_getprog(), typestr, desc); goto err; } ++cp; /* Collect the value. */ valstr = (unsigned char *)bp; for (; *cp != '\0' && *cp != '/'; *bp++ = *cp++) { /* unescaped '+' symbol string signals further member of multiRDN */ if (canmulti && *cp == '+') { nextismulti = 1; break; } if (*cp == '\\' && *++cp == '\0') { BIO_printf(bio_err, "%s: Escape character at end of %s name string\n", opt_getprog(), desc); goto err; } } *bp++ = '\0'; /* If not at EOS (must be + or /), move forward. */ if (*cp != '\0') ++cp; /* Parse */ nid = OBJ_txt2nid(typestr); if (nid == NID_undef) { BIO_printf(bio_err, "%s warning: Skipping unknown %s name attribute \"%s\"\n", opt_getprog(), desc, typestr); if (ismulti) BIO_printf(bio_err, "%s hint: a '+' in a value string needs be escaped using '\\' else a new member of a multi-valued RDN is expected\n", opt_getprog()); continue; } if (*valstr == '\0') { BIO_printf(bio_err, "%s warning: No value provided for %s name attribute \"%s\", skipped\n", opt_getprog(), desc, typestr); continue; } if (!X509_NAME_add_entry_by_NID(n, nid, chtype, valstr, strlen((char *)valstr), -1, ismulti ? -1 : 0)) { ERR_print_errors(bio_err); BIO_printf(bio_err, "%s: Error adding %s name attribute \"/%s=%s\"\n", opt_getprog(), desc, typestr, valstr); 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; } if (maxlen != -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 = 0; char *stmp, *vtmp = NULL; stmp = OPENSSL_strdup(value); if (stmp == NULL) return -1; vtmp = strchr(stmp, ':'); if (vtmp == NULL) goto err; *vtmp = 0; vtmp++; rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp); err: 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; size_t skipped = 0; len = strlen(in); if (len == 0 || len >= 65535) return NULL; out = app_malloc(len + 1, "NPN buffer"); for (i = 0; i <= len; ++i) { if (i == len || in[i] == ',') { /* * Zero-length ALPN elements are invalid on the wire, we could be * strict and reject the entire string, but just ignoring extra * commas seems harmless and more friendly. * * Every comma we skip in this way puts the input buffer another * byte ahead of the output buffer, so all stores into the output * buffer need to be decremented by the number commas skipped. */ if (i == start) { ++start; ++skipped; continue; } if (i - start > 255) { OPENSSL_free(out); return NULL; } out[start - skipped] = (unsigned char)(i - start); start = i + 1; } else { out[i + 1 - skipped] = in[i]; } } if (len <= skipped) { OPENSSL_free(out); return NULL; } *outlen = len + 1 - skipped; return out; } int check_cert_attributes(BIO *bio, X509 *x, const char *checkhost, const char *checkemail, const char *checkip, int print) { int valid_host = 0; int valid_mail = 0; int valid_ip = 0; int ret = 1; if (x == NULL) return 0; if (checkhost != NULL) { valid_host = X509_check_host(x, checkhost, 0, 0, NULL); if (print) BIO_printf(bio, "Hostname %s does%s match certificate\n", checkhost, valid_host == 1 ? "" : " NOT"); ret = ret && valid_host; } if (checkemail != NULL) { valid_mail = X509_check_email(x, checkemail, 0, 0); if (print) BIO_printf(bio, "Email %s does%s match certificate\n", checkemail, valid_mail ? "" : " NOT"); ret = ret && valid_mail; } if (checkip != NULL) { valid_ip = X509_check_ip_asc(x, checkip, 0); if (print) BIO_printf(bio, "IP %s does%s match certificate\n", checkip, valid_ip ? "" : " NOT"); ret = ret && valid_ip; } return ret; } static int do_pkey_ctx_init(EVP_PKEY_CTX *pkctx, STACK_OF(OPENSSL_STRING) *opts) { int i; if (opts == NULL) return 1; for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) { char *opt = sk_OPENSSL_STRING_value(opts, i); if (pkey_ctrl_string(pkctx, opt) <= 0) { BIO_printf(bio_err, "parameter error \"%s\"\n", opt); ERR_print_errors(bio_err); return 0; } } return 1; } static int do_x509_init(X509 *x, STACK_OF(OPENSSL_STRING) *opts) { int i; if (opts == NULL) return 1; for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) { char *opt = sk_OPENSSL_STRING_value(opts, i); if (x509_ctrl_string(x, opt) <= 0) { BIO_printf(bio_err, "parameter error \"%s\"\n", opt); ERR_print_errors(bio_err); return 0; } } return 1; } static int do_x509_req_init(X509_REQ *x, STACK_OF(OPENSSL_STRING) *opts) { int i; if (opts == NULL) return 1; for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) { char *opt = sk_OPENSSL_STRING_value(opts, i); if (x509_req_ctrl_string(x, opt) <= 0) { BIO_printf(bio_err, "parameter error \"%s\"\n", opt); ERR_print_errors(bio_err); return 0; } } return 1; } static int do_sign_init(EVP_MD_CTX *ctx, EVP_PKEY *pkey, const char *md, STACK_OF(OPENSSL_STRING) *sigopts) { EVP_PKEY_CTX *pkctx = NULL; char def_md[80]; if (ctx == NULL) return 0; /* * EVP_PKEY_get_default_digest_name() returns 2 if the digest is mandatory * for this algorithm. */ if (EVP_PKEY_get_default_digest_name(pkey, def_md, sizeof(def_md)) == 2 && strcmp(def_md, "UNDEF") == 0) { /* The signing algorithm requires there to be no digest */ md = NULL; } return EVP_DigestSignInit_ex(ctx, &pkctx, md, app_get0_libctx(), app_get0_propq(), pkey, NULL) && do_pkey_ctx_init(pkctx, sigopts); } static int adapt_keyid_ext(X509 *cert, X509V3_CTX *ext_ctx, const char *name, const char *value, int add_default) { const STACK_OF(X509_EXTENSION) *exts = X509_get0_extensions(cert); X509_EXTENSION *new_ext = X509V3_EXT_nconf(NULL, ext_ctx, name, value); int idx, rv = 0; if (new_ext == NULL) return rv; idx = X509v3_get_ext_by_OBJ(exts, X509_EXTENSION_get_object(new_ext), -1); if (idx >= 0) { X509_EXTENSION *found_ext = X509v3_get_ext(exts, idx); ASN1_OCTET_STRING *encoded = X509_EXTENSION_get_data(found_ext); int disabled = ASN1_STRING_length(encoded) <= 2; /* indicating "none" */ if (disabled) { X509_delete_ext(cert, idx); X509_EXTENSION_free(found_ext); } /* else keep existing key identifier, which might be outdated */ rv = 1; } else { rv = !add_default || X509_add_ext(cert, new_ext, -1); } X509_EXTENSION_free(new_ext); return rv; } int cert_matches_key(const X509 *cert, const EVP_PKEY *pkey) { int match; ERR_set_mark(); match = X509_check_private_key(cert, pkey); ERR_pop_to_mark(); return match; } /* Ensure RFC 5280 compliance, adapt keyIDs as needed, and sign the cert info */ int do_X509_sign(X509 *cert, int force_v1, EVP_PKEY *pkey, const char *md, STACK_OF(OPENSSL_STRING) *sigopts, X509V3_CTX *ext_ctx) { EVP_MD_CTX *mctx = EVP_MD_CTX_new(); int self_sign; int rv = 0; if (!force_v1) { if (!X509_set_version(cert, X509_VERSION_3)) goto end; /* * Add default SKID before AKID such that AKID can make use of it * in case the certificate is self-signed */ /* Prevent X509_V_ERR_MISSING_SUBJECT_KEY_IDENTIFIER */ if (!adapt_keyid_ext(cert, ext_ctx, "subjectKeyIdentifier", "hash", 1)) goto end; /* Prevent X509_V_ERR_MISSING_AUTHORITY_KEY_IDENTIFIER */ self_sign = cert_matches_key(cert, pkey); if (!adapt_keyid_ext(cert, ext_ctx, "authorityKeyIdentifier", "keyid, issuer", !self_sign)) goto end; } /* May add further measures for ensuring RFC 5280 compliance, see #19805 */ if (mctx != NULL && do_sign_init(mctx, pkey, md, sigopts) > 0) rv = (X509_sign_ctx(cert, mctx) > 0); end: EVP_MD_CTX_free(mctx); return rv; } /* Sign the certificate request info */ int do_X509_REQ_sign(X509_REQ *x, EVP_PKEY *pkey, const char *md, STACK_OF(OPENSSL_STRING) *sigopts) { int rv = 0; EVP_MD_CTX *mctx = EVP_MD_CTX_new(); if (do_sign_init(mctx, pkey, md, sigopts) > 0) rv = (X509_REQ_sign_ctx(x, mctx) > 0); EVP_MD_CTX_free(mctx); return rv; } /* Sign the CRL info */ int do_X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const char *md, STACK_OF(OPENSSL_STRING) *sigopts) { int rv = 0; EVP_MD_CTX *mctx = EVP_MD_CTX_new(); if (do_sign_init(mctx, pkey, md, sigopts) > 0) rv = (X509_CRL_sign_ctx(x, mctx) > 0); EVP_MD_CTX_free(mctx); return rv; } /* * do_X509_verify returns 1 if the signature is valid, * 0 if the signature check fails, or -1 if error occurs. */ int do_X509_verify(X509 *x, EVP_PKEY *pkey, STACK_OF(OPENSSL_STRING) *vfyopts) { int rv = 0; if (do_x509_init(x, vfyopts) > 0) rv = X509_verify(x, pkey); else rv = -1; return rv; } /* * do_X509_REQ_verify returns 1 if the signature is valid, * 0 if the signature check fails, or -1 if error occurs. */ int do_X509_REQ_verify(X509_REQ *x, EVP_PKEY *pkey, STACK_OF(OPENSSL_STRING) *vfyopts) { int rv = 0; if (do_x509_req_init(x, vfyopts) > 0) rv = X509_REQ_verify_ex(x, pkey, app_get0_libctx(), app_get0_propq()); else rv = -1; return rv; } /* 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 (IS_HTTP(uptr)) /* can/should not use HTTPS here */ 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 != NULL) return load_crl(urlptr, FORMAT_UNDEF, 0, "CRL via CDP"); } return NULL; } /* * Example of downloading CRLs from CRLDP: * not usable for real world as it always downloads and doesn't cache anything. */ static STACK_OF(X509_CRL) *crls_http_cb(const X509_STORE_CTX *ctx, const 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); } #if !defined(OPENSSL_NO_SOCK) && !defined(OPENSSL_NO_HTTP) static const char *tls_error_hint(void) { unsigned long err = ERR_peek_error(); if (ERR_GET_LIB(err) != ERR_LIB_SSL) err = ERR_peek_last_error(); if (ERR_GET_LIB(err) != ERR_LIB_SSL) return NULL; /* likely no TLS error */ switch (ERR_GET_REASON(err)) { case SSL_R_WRONG_VERSION_NUMBER: return "The server does not support (a suitable version of) TLS"; case SSL_R_UNKNOWN_PROTOCOL: return "The server does not support HTTPS"; case SSL_R_CERTIFICATE_VERIFY_FAILED: return "Cannot authenticate server via its TLS certificate, likely due to mismatch with our trusted TLS certs or missing revocation status"; case SSL_AD_REASON_OFFSET + TLS1_AD_UNKNOWN_CA: return "Server did not accept our TLS certificate, likely due to mismatch with server's trust anchor or missing revocation status"; case SSL_AD_REASON_OFFSET + SSL3_AD_HANDSHAKE_FAILURE: return "TLS handshake failure. Possibly the server requires our TLS certificate but did not receive it"; default: return NULL; /* no hint available for TLS error */ } } static BIO *http_tls_shutdown(BIO *bio) { if (bio != NULL) { BIO *cbio; const char *hint = tls_error_hint(); if (hint != NULL) BIO_printf(bio_err, "%s\n", hint); (void)ERR_set_mark(); BIO_ssl_shutdown(bio); cbio = BIO_pop(bio); /* connect+HTTP BIO */ BIO_free(bio); /* SSL BIO */ (void)ERR_pop_to_mark(); /* hide SSL_R_READ_BIO_NOT_SET etc. */ bio = cbio; } return bio; } /* HTTP callback function that supports TLS connection also via HTTPS proxy */ BIO *app_http_tls_cb(BIO *bio, void *arg, int connect, int detail) { APP_HTTP_TLS_INFO *info = (APP_HTTP_TLS_INFO *)arg; SSL_CTX *ssl_ctx = info->ssl_ctx; if (ssl_ctx == NULL) /* not using TLS */ return bio; if (connect) { SSL *ssl; BIO *sbio = NULL; X509_STORE *ts = SSL_CTX_get_cert_store(ssl_ctx); X509_VERIFY_PARAM *vpm = X509_STORE_get0_param(ts); const char *host = vpm == NULL ? NULL : X509_VERIFY_PARAM_get0_host(vpm, 0 /* first hostname */); /* adapt after fixing callback design flaw, see #17088 */ if ((info->use_proxy && !OSSL_HTTP_proxy_connect(bio, info->server, info->port, NULL, NULL, /* no proxy credentials */ info->timeout, bio_err, opt_getprog())) || (sbio = BIO_new(BIO_f_ssl())) == NULL) { return NULL; } if ((ssl = SSL_new(ssl_ctx)) == NULL) { BIO_free(sbio); return NULL; } if (vpm != NULL) SSL_set_tlsext_host_name(ssl, host /* may be NULL */); SSL_set_connect_state(ssl); BIO_set_ssl(sbio, ssl, BIO_CLOSE); bio = BIO_push(sbio, bio); } else { /* disconnect from TLS */ bio = http_tls_shutdown(bio); } return bio; } void APP_HTTP_TLS_INFO_free(APP_HTTP_TLS_INFO *info) { if (info != NULL) { SSL_CTX_free(info->ssl_ctx); OPENSSL_free(info); } } ASN1_VALUE *app_http_get_asn1(const char *url, const char *proxy, const char *no_proxy, SSL_CTX *ssl_ctx, const STACK_OF(CONF_VALUE) *headers, long timeout, const char *expected_content_type, const ASN1_ITEM *it) { APP_HTTP_TLS_INFO info; char *server; char *port; int use_ssl; BIO *mem; ASN1_VALUE *resp = NULL; if (url == NULL || it == NULL) { ERR_raise(ERR_LIB_HTTP, ERR_R_PASSED_NULL_PARAMETER); return NULL; } if (!OSSL_HTTP_parse_url(url, &use_ssl, NULL /* userinfo */, &server, &port, NULL /* port_num, */, NULL, NULL, NULL)) return NULL; if (use_ssl && ssl_ctx == NULL) { ERR_raise_data(ERR_LIB_HTTP, ERR_R_PASSED_NULL_PARAMETER, "missing SSL_CTX"); goto end; } if (!use_ssl && ssl_ctx != NULL) { ERR_raise_data(ERR_LIB_HTTP, ERR_R_PASSED_INVALID_ARGUMENT, "SSL_CTX given but use_ssl == 0"); goto end; } info.server = server; info.port = port; info.use_proxy = /* workaround for callback design flaw, see #17088 */ OSSL_HTTP_adapt_proxy(proxy, no_proxy, server, use_ssl) != NULL; info.timeout = timeout; info.ssl_ctx = ssl_ctx; mem = OSSL_HTTP_get(url, proxy, no_proxy, NULL /* bio */, NULL /* rbio */, app_http_tls_cb, &info, 0 /* buf_size */, headers, expected_content_type, 1 /* expect_asn1 */, OSSL_HTTP_DEFAULT_MAX_RESP_LEN, timeout); resp = ASN1_item_d2i_bio(it, mem, NULL); BIO_free(mem); end: OPENSSL_free(server); OPENSSL_free(port); return resp; } ASN1_VALUE *app_http_post_asn1(const char *host, const char *port, const char *path, const char *proxy, const char *no_proxy, SSL_CTX *ssl_ctx, const STACK_OF(CONF_VALUE) *headers, const char *content_type, ASN1_VALUE *req, const ASN1_ITEM *req_it, const char *expected_content_type, long timeout, const ASN1_ITEM *rsp_it) { int use_ssl = ssl_ctx != NULL; APP_HTTP_TLS_INFO info; BIO *rsp, *req_mem = ASN1_item_i2d_mem_bio(req_it, req); ASN1_VALUE *res; if (req_mem == NULL) return NULL; info.server = host; info.port = port; info.use_proxy = /* workaround for callback design flaw, see #17088 */ OSSL_HTTP_adapt_proxy(proxy, no_proxy, host, use_ssl) != NULL; info.timeout = timeout; info.ssl_ctx = ssl_ctx; rsp = OSSL_HTTP_transfer(NULL, host, port, path, use_ssl, proxy, no_proxy, NULL /* bio */, NULL /* rbio */, app_http_tls_cb, &info, 0 /* buf_size */, headers, content_type, req_mem, expected_content_type, 1 /* expect_asn1 */, OSSL_HTTP_DEFAULT_MAX_RESP_LEN, timeout, 0 /* keep_alive */); BIO_free(req_mem); res = ASN1_item_d2i_bio(rsp_it, rsp, NULL); BIO_free(rsp); return res; } #endif /* * 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; int use_GetSystemTime = 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); use_GetSystemTime = 0; } # endif if (use_GetSystemTime) { 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_SYS_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(_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 } int app_isdir(const char *name) { return opt_isdir(name); } /* 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 # if defined(__TANDEM) # if defined(OPENSSL_TANDEM_FLOSS) # include # endif # endif 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; } #elif defined(OPENSSL_SYS_TANDEM) && defined(OPENSSL_THREADS) \ && defined(_SPT_MODEL_) # if defined(__TANDEM) # if defined(OPENSSL_TANDEM_FLOSS) # include # endif # endif int raw_write_stdout(const void *buf, int siz) { return write(fileno(stdout), (void *)buf, siz); } #else # if defined(__TANDEM) # if defined(OPENSSL_TANDEM_FLOSS) # include # endif # endif int raw_write_stdout(const void *buf, int siz) { return write(fileno_stdout(), buf, siz); } #endif /* * Centralized handling of 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 platforms, such as differentiating between * text and binary input/output on non-Unix platforms */ BIO *dup_bio_in(int format) { return BIO_new_fp(stdin, BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0)); } BIO *dup_bio_out(int format) { BIO *b = BIO_new_fp(stdout, BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0)); void *prefix = NULL; if (b == NULL) return NULL; #ifdef OPENSSL_SYS_VMS if (FMT_istext(format)) b = BIO_push(BIO_new(BIO_f_linebuffer()), b); #endif if (FMT_istext(format) && (prefix = getenv("HARNESS_OSSL_PREFIX")) != NULL) { b = BIO_push(BIO_new(BIO_f_prefix()), b); BIO_set_prefix(b, prefix); } return b; } BIO *dup_bio_err(int format) { BIO *b = BIO_new_fp(stderr, BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0)); #ifdef OPENSSL_SYS_VMS if (b != NULL && FMT_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 FMT_istext(format) ? "a" : "ab"; case 'r': return FMT_istext(format) ? "r" : "rb"; case 'w': return FMT_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 textmode, bflags; #ifndef OPENSSL_NO_POSIX_IO int fd = -1, mode; #endif if (!private || filename == NULL || strcmp(filename, "-") == 0) return bio_open_default(filename, 'w', format); textmode = FMT_istext(format); #ifndef OPENSSL_NO_POSIX_IO mode = O_WRONLY; # ifdef O_CREAT mode |= O_CREAT; # endif # ifdef O_TRUNC mode |= O_TRUNC; # endif 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)); #else /* OPENSSL_NO_POSIX_IO */ /* Have stdio but not Posix IO, do the best we can */ fp = fopen(filename, modestr('w', format)); #endif /* OPENSSL_NO_POSIX_IO */ if (fp == NULL) goto err; bflags = BIO_CLOSE; if (textmode) bflags |= BIO_FP_TEXT; b = BIO_new_fp(fp, bflags); if (b != NULL) 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 != NULL) fclose(fp); #ifndef OPENSSL_NO_POSIX_IO else if (fd >= 0) close(fd); #endif 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; } int set_crl_lastupdate(X509_CRL *crl, const char *lastupdate) { int ret = 0; ASN1_TIME *tm = ASN1_TIME_new(); if (tm == NULL) goto end; if (lastupdate == NULL) { if (X509_gmtime_adj(tm, 0) == NULL) goto end; } else { if (!ASN1_TIME_set_string_X509(tm, lastupdate)) goto end; } if (!X509_CRL_set1_lastUpdate(crl, tm)) goto end; ret = 1; end: ASN1_TIME_free(tm); return ret; } int set_crl_nextupdate(X509_CRL *crl, const char *nextupdate, long days, long hours, long secs) { int ret = 0; ASN1_TIME *tm = ASN1_TIME_new(); if (tm == NULL) goto end; if (nextupdate == NULL) { if (X509_time_adj_ex(tm, days, hours * 60 * 60 + secs, NULL) == NULL) goto end; } else { if (!ASN1_TIME_set_string_X509(tm, nextupdate)) goto end; } if (!X509_CRL_set1_nextUpdate(crl, tm)) goto end; ret = 1; end: ASN1_TIME_free(tm); return ret; } void make_uppercase(char *string) { int i; for (i = 0; string[i] != '\0'; i++) string[i] = toupper((unsigned char)string[i]); } OSSL_PARAM *app_params_new_from_opts(STACK_OF(OPENSSL_STRING) *opts, const OSSL_PARAM *paramdefs) { OSSL_PARAM *params = NULL; size_t sz = (size_t)sk_OPENSSL_STRING_num(opts); size_t params_n; char *opt = "", *stmp, *vtmp = NULL; int found = 1; if (opts == NULL) return NULL; params = OPENSSL_zalloc(sizeof(OSSL_PARAM) * (sz + 1)); if (params == NULL) return NULL; for (params_n = 0; params_n < sz; params_n++) { opt = sk_OPENSSL_STRING_value(opts, (int)params_n); if ((stmp = OPENSSL_strdup(opt)) == NULL || (vtmp = strchr(stmp, ':')) == NULL) goto err; /* Replace ':' with 0 to terminate the string pointed to by stmp */ *vtmp = 0; /* Skip over the separator so that vmtp points to the value */ vtmp++; if (!OSSL_PARAM_allocate_from_text(¶ms[params_n], paramdefs, stmp, vtmp, strlen(vtmp), &found)) goto err; OPENSSL_free(stmp); } params[params_n] = OSSL_PARAM_construct_end(); return params; err: OPENSSL_free(stmp); BIO_printf(bio_err, "Parameter %s '%s'\n", found ? "error" : "unknown", opt); ERR_print_errors(bio_err); app_params_free(params); return NULL; } void app_params_free(OSSL_PARAM *params) { int i; if (params != NULL) { for (i = 0; params[i].key != NULL; ++i) OPENSSL_free(params[i].data); OPENSSL_free(params); } } EVP_PKEY *app_keygen(EVP_PKEY_CTX *ctx, const char *alg, int bits, int verbose) { EVP_PKEY *res = NULL; if (verbose && alg != NULL) { BIO_printf(bio_err, "Generating %s key", alg); if (bits > 0) BIO_printf(bio_err, " with %d bits\n", bits); else BIO_printf(bio_err, "\n"); } if (!RAND_status()) BIO_printf(bio_err, "Warning: generating random key material may take a long time\n" "if the system has a poor entropy source\n"); if (EVP_PKEY_keygen(ctx, &res) <= 0) app_bail_out("%s: Error generating %s key\n", opt_getprog(), alg != NULL ? alg : "asymmetric"); return res; } EVP_PKEY *app_paramgen(EVP_PKEY_CTX *ctx, const char *alg) { EVP_PKEY *res = NULL; if (!RAND_status()) BIO_printf(bio_err, "Warning: generating random key parameters may take a long time\n" "if the system has a poor entropy source\n"); if (EVP_PKEY_paramgen(ctx, &res) <= 0) app_bail_out("%s: Generating %s key parameters failed\n", opt_getprog(), alg != NULL ? alg : "asymmetric"); return res; } /* * Return non-zero if the legacy path is still an option. * This decision is based on the global command line operations and the * behaviour thus far. */ int opt_legacy_okay(void) { int provider_options = opt_provider_option_given(); int libctx = app_get0_libctx() != NULL || app_get0_propq() != NULL; /* * Having a provider option specified or a custom library context or * property query, is a sure sign we're not using legacy. */ if (provider_options || libctx) return 0; return 1; }