/* apps/apps.c */ /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) * All rights reserved. * * This package is an SSL implementation written * by Eric Young (eay@cryptsoft.com). * The implementation was written so as to conform with Netscapes SSL. * * This library is free for commercial and non-commercial use as long as * the following conditions are aheared to. The following conditions * apply to all code found in this distribution, be it the RC4, RSA, * lhash, DES, etc., code; not just the SSL code. The SSL documentation * included with this distribution is covered by the same copyright terms * except that the holder is Tim Hudson (tjh@cryptsoft.com). * * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. * If this package is used in a product, Eric Young should be given attribution * as the author of the parts of the library used. * This can be in the form of a textual message at program startup or * in documentation (online or textual) provided with the package. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * "This product includes cryptographic software written by * Eric Young (eay@cryptsoft.com)" * The word 'cryptographic' can be left out if the rouines from the library * being used are not cryptographic related :-). * 4. If you include any Windows specific code (or a derivative thereof) from * the apps directory (application code) you must include an acknowledgement: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" * * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * The licence and distribution terms for any publically available version or * derivative of this code cannot be changed. i.e. this code cannot simply be * copied and put under another distribution licence * [including the GNU Public Licence.] */ /* ==================================================================== * Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. All advertising materials mentioning features or use of this * software must display the following acknowledgment: * "This product includes software developed by the OpenSSL Project * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" * * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to * endorse or promote products derived from this software without * prior written permission. For written permission, please contact * openssl-core@openssl.org. * * 5. Products derived from this software may not be called "OpenSSL" * nor may "OpenSSL" appear in their names without prior written * permission of the OpenSSL Project. * * 6. Redistributions of any form whatsoever must retain the following * acknowledgment: * "This product includes software developed by the OpenSSL Project * for use in the OpenSSL Toolkit (http://www.openssl.org/)" * * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED * OF THE POSSIBILITY OF SUCH DAMAGE. * ==================================================================== * * This product includes cryptographic software written by Eric Young * (eay@cryptsoft.com). This product includes software written by Tim * Hudson (tjh@cryptsoft.com). * */ #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 #if !defined(OPENSSL_SYS_WIN32) && !defined(OPENSSL_SYS_WINCE) && !defined(NETWARE_CLIB) # include #endif #include #include #include #include #include #include #include #include #include #include #include #ifndef OPENSSL_NO_ENGINE # include #endif #ifndef OPENSSL_NO_RSA # include #endif #include #ifndef OPENSSL_NO_JPAKE # include #endif #define NON_MAIN #include "apps.h" #undef NON_MAIN #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 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); #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA) /* Looks like this stuff is worth moving into separate function */ static EVP_PKEY *load_netscape_key(BIO *err, BIO *key, const char *file, const char *key_descrip, int format); #endif int app_init(long mesgwin); #ifdef undef /* never finished - probably never will be * :-) */ int args_from_file(char *file, int *argc, char **argv[]) { FILE *fp; int num, i; unsigned int len; static char *buf = NULL; static char **arg = NULL; char *p; fp = fopen(file, "r"); if (fp == NULL) return (0); if (fseek(fp, 0, SEEK_END) == 0) len = ftell(fp), rewind(fp); else len = -1; if (len <= 0) { fclose(fp); return (0); } *argc = 0; *argv = NULL; if (buf != NULL) OPENSSL_free(buf); buf = (char *)OPENSSL_malloc(len + 1); if (buf == NULL) return (0); len = fread(buf, 1, len, fp); if (len <= 1) return (0); buf[len] = '\0'; i = 0; for (p = buf; *p; p++) if (*p == '\n') i++; if (arg != NULL) OPENSSL_free(arg); arg = (char **)OPENSSL_malloc(sizeof(char *) * (i * 2)); *argv = arg; num = 0; p = buf; for (;;) { if (!*p) break; if (*p == '#') { /* comment line */ while (*p && (*p != '\n')) p++; continue; } /* else we have a line */ *(arg++) = p; num++; while (*p && ((*p != ' ') && (*p != '\t') && (*p != '\n'))) p++; if (!*p) break; if (*p == '\n') { *(p++) = '\0'; continue; } /* else it is a tab or space */ p++; while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n'))) p++; if (!*p) break; if (*p == '\n') { p++; continue; } *(arg++) = p++; num++; while (*p && (*p != '\n')) p++; if (!*p) break; /* else *p == '\n' */ *(p++) = '\0'; } *argc = num; return (1); } #endif int str2fmt(char *s) { if (s == NULL) return FORMAT_UNDEF; if ((*s == 'D') || (*s == 'd')) return (FORMAT_ASN1); else if ((*s == 'T') || (*s == 't')) return (FORMAT_TEXT); else if ((strcmp(s, "NSS") == 0) || (strcmp(s, "nss") == 0)) return (FORMAT_NSS); else if ((*s == 'N') || (*s == 'n')) return (FORMAT_NETSCAPE); else if ((*s == 'S') || (*s == 's')) return (FORMAT_SMIME); else if ((*s == 'M') || (*s == 'm')) return (FORMAT_MSBLOB); else if ((*s == '1') || (strcmp(s, "PKCS12") == 0) || (strcmp(s, "pkcs12") == 0) || (strcmp(s, "P12") == 0) || (strcmp(s, "p12") == 0)) return (FORMAT_PKCS12); else if ((*s == 'E') || (*s == 'e')) return (FORMAT_ENGINE); else if ((*s == 'H') || (*s == 'h')) return FORMAT_HTTP; else if ((*s == 'P') || (*s == 'p')) { if (s[1] == 'V' || s[1] == 'v') return FORMAT_PVK; else return (FORMAT_PEM); } else return (FORMAT_UNDEF); } #if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_NETWARE) void program_name(char *in, char *out, int size) { int i, n; char *p = NULL; n = strlen(in); /* find the last '/', '\' or ':' */ for (i = n - 1; i > 0; i--) { if ((in[i] == '/') || (in[i] == '\\') || (in[i] == ':')) { p = &(in[i + 1]); break; } } if (p == NULL) p = in; n = strlen(p); # if defined(OPENSSL_SYS_NETWARE) /* strip off trailing .nlm if present. */ if ((n > 4) && (p[n - 4] == '.') && ((p[n - 3] == 'n') || (p[n - 3] == 'N')) && ((p[n - 2] == 'l') || (p[n - 2] == 'L')) && ((p[n - 1] == 'm') || (p[n - 1] == 'M'))) n -= 4; # else /* strip off trailing .exe if present. */ if ((n > 4) && (p[n - 4] == '.') && ((p[n - 3] == 'e') || (p[n - 3] == 'E')) && ((p[n - 2] == 'x') || (p[n - 2] == 'X')) && ((p[n - 1] == 'e') || (p[n - 1] == 'E'))) n -= 4; # endif if (n > size - 1) n = size - 1; for (i = 0; i < n; i++) { if ((p[i] >= 'A') && (p[i] <= 'Z')) out[i] = p[i] - 'A' + 'a'; else out[i] = p[i]; } out[n] = '\0'; } #else # ifdef OPENSSL_SYS_VMS void program_name(char *in, char *out, int size) { char *p = in, *q; char *chars = ":]>"; while (*chars != '\0') { q = strrchr(p, *chars); if (q > p) p = q + 1; chars++; } q = strrchr(p, '.'); if (q == NULL) q = p + strlen(p); strncpy(out, p, size - 1); if (q - p >= size) { out[size - 1] = '\0'; } else { out[q - p] = '\0'; } } # else void program_name(char *in, char *out, int size) { char *p; p = strrchr(in, '/'); if (p != NULL) p++; else p = in; BUF_strlcpy(out, p, size); } # endif #endif int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[]) { int num, i; char *p; *argc = 0; *argv = NULL; i = 0; if (arg->count == 0) { arg->count = 20; arg->data = (char **)OPENSSL_malloc(sizeof(char *) * arg->count); if (arg->data == NULL) return 0; } for (i = 0; i < arg->count; i++) arg->data[i] = NULL; num = 0; p = buf; for (;;) { /* first scan over white space */ if (!*p) break; while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n'))) p++; if (!*p) break; /* The start of something good :-) */ if (num >= arg->count) { char **tmp_p; int tlen = arg->count + 20; tmp_p = (char **)OPENSSL_realloc(arg->data, sizeof(char *) * tlen); if (tmp_p == NULL) return 0; arg->data = tmp_p; arg->count = tlen; /* initialize newly allocated data */ for (i = num; i < arg->count; i++) arg->data[i] = NULL; } arg->data[num++] = p; /* now look for the end of this */ if ((*p == '\'') || (*p == '\"')) { /* scan for closing quote */ i = *(p++); arg->data[num - 1]++; /* jump over quote */ while (*p && (*p != i)) p++; *p = '\0'; } else { while (*p && ((*p != ' ') && (*p != '\t') && (*p != '\n'))) p++; if (*p == '\0') p--; else *p = '\0'; } p++; } *argc = num; *argv = arg->data; return (1); } #ifndef APP_INIT int app_init(long mesgwin) { return (1); } #endif int dump_cert_text(BIO *out, X509 *x) { char *p; p = X509_NAME_oneline(X509_get_subject_name(x), NULL, 0); BIO_puts(out, "subject="); BIO_puts(out, p); OPENSSL_free(p); p = X509_NAME_oneline(X509_get_issuer_name(x), NULL, 0); BIO_puts(out, "\nissuer="); BIO_puts(out, p); BIO_puts(out, "\n"); OPENSSL_free(p); return 0; } static int ui_open(UI *ui) { return UI_method_get_opener(UI_OpenSSL())(ui); } static int ui_read(UI *ui, UI_STRING *uis) { if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD && UI_get0_user_data(ui)) { switch (UI_get_string_type(uis)) { case UIT_PROMPT: case UIT_VERIFY: { const char *password = ((PW_CB_DATA *)UI_get0_user_data(ui))->password; if (password && password[0] != '\0') { UI_set_result(ui, uis, password); return 1; } } default: break; } } return UI_method_get_reader(UI_OpenSSL())(ui, uis); } static int ui_write(UI *ui, UI_STRING *uis) { if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD && UI_get0_user_data(ui)) { switch (UI_get_string_type(uis)) { case UIT_PROMPT: case UIT_VERIFY: { const char *password = ((PW_CB_DATA *)UI_get0_user_data(ui))->password; if (password && password[0] != '\0') return 1; } default: break; } } return UI_method_get_writer(UI_OpenSSL())(ui, uis); } static int ui_close(UI *ui) { return UI_method_get_closer(UI_OpenSSL())(ui); } int setup_ui_method(void) { ui_method = UI_create_method("OpenSSL application user interface"); UI_method_set_opener(ui_method, ui_open); UI_method_set_reader(ui_method, ui_read); UI_method_set_writer(ui_method, ui_write); UI_method_set_closer(ui_method, ui_close); return 0; } void destroy_ui_method(void) { if (ui_method) { UI_destroy_method(ui_method); ui_method = NULL; } } int password_callback(char *buf, int bufsiz, int verify, PW_CB_DATA *cb_tmp) { UI *ui = NULL; int res = 0; const char *prompt_info = NULL; const char *password = NULL; PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp; if (cb_data) { if (cb_data->password) password = cb_data->password; if (cb_data->prompt_info) prompt_info = cb_data->prompt_info; } if (password) { res = strlen(password); if (res > bufsiz) res = bufsiz; memcpy(buf, password, res); return res; } ui = UI_new_method(ui_method); if (ui) { int ok = 0; char *buff = NULL; int ui_flags = 0; char *prompt = NULL; 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); if (ok >= 0) ok = UI_add_input_string(ui, prompt, ui_flags, buf, PW_MIN_LENGTH, bufsiz - 1); if (ok >= 0 && verify) { buff = (char *)OPENSSL_malloc(bufsiz); if(!buff) { BIO_printf(bio_err, "Out of memory\n"); UI_free(ui); OPENSSL_free(prompt); return 0; } 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)); if (buff) { OPENSSL_cleanse(buff, (unsigned int)bufsiz); OPENSSL_free(buff); } 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(BIO *err, char *arg, int keepbio); int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2) { int same; if (!arg2 || !arg1 || strcmp(arg1, arg2)) same = 0; else same = 1; if (arg1) { *pass1 = app_get_pass(err, arg1, same); if (!*pass1) return 0; } else if (pass1) *pass1 = NULL; if (arg2) { *pass2 = app_get_pass(err, arg2, same ? 2 : 0); if (!*pass2) return 0; } else if (pass2) *pass2 = NULL; return 1; } static char *app_get_pass(BIO *err, char *arg, int keepbio) { char *tmp, tpass[APP_PASS_LEN]; static BIO *pwdbio = NULL; int i; if (!strncmp(arg, "pass:", 5)) return BUF_strdup(arg + 5); if (!strncmp(arg, "env:", 4)) { tmp = getenv(arg + 4); if (!tmp) { BIO_printf(err, "Can't read environment variable %s\n", arg + 4); return NULL; } return BUF_strdup(tmp); } if (!keepbio || !pwdbio) { if (!strncmp(arg, "file:", 5)) { pwdbio = BIO_new_file(arg + 5, "r"); if (!pwdbio) { BIO_printf(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)) { BIO *btmp; i = atoi(arg + 3); if (i >= 0) pwdbio = BIO_new_fd(i, BIO_NOCLOSE); if ((i < 0) || !pwdbio) { BIO_printf(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")) { pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE); if (!pwdbio) { BIO_printf(err, "Can't open BIO for stdin\n"); return NULL; } } else { BIO_printf(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(err, "Error reading password from BIO\n"); return NULL; } tmp = strchr(tpass, '\n'); if (tmp) *tmp = 0; return BUF_strdup(tpass); } int add_oid_section(BIO *err, CONF *conf) { char *p; STACK_OF(CONF_VALUE) *sktmp; CONF_VALUE *cnf; int i; if (!(p = NCONF_get_string(conf, NULL, "oid_section"))) { ERR_clear_error(); return 1; } if (!(sktmp = NCONF_get_section(conf, p))) { BIO_printf(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(err, "problem creating object %s=%s\n", cnf->name, cnf->value); return 0; } } return 1; } static int load_pkcs12(BIO *err, 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(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(err, "Passpharse callback error for %s\n", desc); goto die; } if (len < PEM_BUFSIZE) tpass[len] = 0; if (!PKCS12_verify_mac(p12, tpass, len)) { BIO_printf(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: if (p12) PKCS12_free(p12); return ret; } int load_cert_crl_http(const char *url, BIO *err, 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) { if (err) BIO_puts(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) 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: if (host) OPENSSL_free(host); if (path) OPENSSL_free(path); if (port) OPENSSL_free(port); if (bio) BIO_free_all(bio); if (rctx) OCSP_REQ_CTX_free(rctx); if (rv != 1) { if (bio && err) BIO_printf(bio_err, "Error loading %s from %s\n", pcert ? "certificate" : "CRL", url); ERR_print_errors(bio_err); } return rv; } X509 *load_cert(BIO *err, const char *file, int format, const char *pass, ENGINE *e, const char *cert_descrip) { X509 *x = NULL; BIO *cert; if (format == FORMAT_HTTP) { load_cert_crl_http(file, err, &x, NULL); return x; } if ((cert = BIO_new(BIO_s_file())) == NULL) { ERR_print_errors(err); goto end; } if (file == NULL) { setbuf(stdin, NULL); /* don't do buffered reads */ BIO_set_fp(cert, stdin, BIO_NOCLOSE); } else { if (BIO_read_filename(cert, file) <= 0) { BIO_printf(err, "Error opening %s %s\n", cert_descrip, file); ERR_print_errors(err); goto end; } } if (format == FORMAT_ASN1) x = d2i_X509_bio(cert, NULL); else if (format == FORMAT_NETSCAPE) { NETSCAPE_X509 *nx; nx = ASN1_item_d2i_bio(ASN1_ITEM_rptr(NETSCAPE_X509), cert, NULL); if (nx == NULL) goto end; if ((strncmp(NETSCAPE_CERT_HDR, (char *)nx->header->data, nx->header->length) != 0)) { NETSCAPE_X509_free(nx); BIO_printf(err, "Error reading header on certificate\n"); goto end; } x = nx->cert; nx->cert = NULL; NETSCAPE_X509_free(nx); } 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(err, cert, cert_descrip, NULL, NULL, NULL, &x, NULL)) goto end; } else { BIO_printf(err, "bad input format specified for %s\n", cert_descrip); goto end; } end: if (x == NULL) { BIO_printf(err, "unable to load certificate\n"); ERR_print_errors(err); } if (cert != NULL) 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) { load_cert_crl_http(infile, bio_err, NULL, &x); return x; } in = BIO_new(BIO_s_file()); if (in == NULL) { ERR_print_errors(bio_err); goto end; } if (infile == NULL) BIO_set_fp(in, stdin, BIO_NOCLOSE); else { if (BIO_read_filename(in, infile) <= 0) { perror(infile); 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(BIO *err, 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(err, "no keyfile specified\n"); goto end; } #ifndef OPENSSL_NO_ENGINE if (format == FORMAT_ENGINE) { if (!e) BIO_printf(err, "no engine specified\n"); else { pkey = ENGINE_load_private_key(e, file, ui_method, &cb_data); if (!pkey) { BIO_printf(err, "cannot load %s from engine\n", key_descrip); ERR_print_errors(err); } } goto end; } #endif key = BIO_new(BIO_s_file()); if (key == NULL) { ERR_print_errors(err); goto end; } if (file == NULL && maybe_stdin) { setbuf(stdin, NULL); /* don't do buffered reads */ BIO_set_fp(key, stdin, BIO_NOCLOSE); } else if (BIO_read_filename(key, file) <= 0) { BIO_printf(err, "Error opening %s %s\n", key_descrip, file); ERR_print_errors(err); 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); } #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA) else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC) pkey = load_netscape_key(err, key, file, key_descrip, format); #endif else if (format == FORMAT_PKCS12) { if (!load_pkcs12(err, 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(err, "bad input format specified for key file\n"); goto end; } end: if (key != NULL) BIO_free(key); if (pkey == NULL) { BIO_printf(err, "unable to load %s\n", key_descrip); ERR_print_errors(err); } return (pkey); } EVP_PKEY *load_pubkey(BIO *err, 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(err, "no keyfile specified\n"); goto end; } #ifndef OPENSSL_NO_ENGINE if (format == FORMAT_ENGINE) { if (!e) BIO_printf(bio_err, "no engine specified\n"); else pkey = ENGINE_load_public_key(e, file, ui_method, &cb_data); goto end; } #endif key = BIO_new(BIO_s_file()); if (key == NULL) { ERR_print_errors(err); goto end; } if (file == NULL && maybe_stdin) { setbuf(stdin, NULL); /* don't do buffered reads */ BIO_set_fp(key, stdin, BIO_NOCLOSE); } else if (BIO_read_filename(key, file) <= 0) { BIO_printf(err, "Error opening %s %s\n", key_descrip, file); ERR_print_errors(err); goto end; } if (format == FORMAT_ASN1) { pkey = d2i_PUBKEY_bio(key, NULL); } #ifndef OPENSSL_NO_RSA else if (format == FORMAT_ASN1RSA) { RSA *rsa; rsa = d2i_RSAPublicKey_bio(key, NULL); if (rsa) { pkey = EVP_PKEY_new(); if (pkey) EVP_PKEY_set1_RSA(pkey, rsa); RSA_free(rsa); } else pkey = NULL; } else if (format == FORMAT_PEMRSA) { RSA *rsa; rsa = PEM_read_bio_RSAPublicKey(key, NULL, (pem_password_cb *)password_callback, &cb_data); if (rsa) { pkey = EVP_PKEY_new(); if (pkey) EVP_PKEY_set1_RSA(pkey, rsa); RSA_free(rsa); } else pkey = NULL; } #endif else if (format == FORMAT_PEM) { pkey = PEM_read_bio_PUBKEY(key, NULL, (pem_password_cb *)password_callback, &cb_data); } #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA) else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC) pkey = load_netscape_key(err, key, file, key_descrip, format); #endif #if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA) else if (format == FORMAT_MSBLOB) pkey = b2i_PublicKey_bio(key); #endif else { BIO_printf(err, "bad input format specified for key file\n"); goto end; } end: if (key != NULL) BIO_free(key); if (pkey == NULL) BIO_printf(err, "unable to load %s\n", key_descrip); return (pkey); } #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA) static EVP_PKEY *load_netscape_key(BIO *err, BIO *key, const char *file, const char *key_descrip, int format) { EVP_PKEY *pkey; BUF_MEM *buf; RSA *rsa; const unsigned char *p; int size, i; buf = BUF_MEM_new(); pkey = EVP_PKEY_new(); size = 0; if (buf == NULL || pkey == NULL) goto error; for (;;) { if (!BUF_MEM_grow_clean(buf, size + 1024 * 10)) goto error; i = BIO_read(key, &(buf->data[size]), 1024 * 10); size += i; if (i == 0) break; if (i < 0) { BIO_printf(err, "Error reading %s %s", key_descrip, file); goto error; } } p = (unsigned char *)buf->data; rsa = d2i_RSA_NET(NULL, &p, (long)size, NULL, (format == FORMAT_IISSGC ? 1 : 0)); if (rsa == NULL) goto error; BUF_MEM_free(buf); EVP_PKEY_set1_RSA(pkey, rsa); return pkey; error: BUF_MEM_free(buf); EVP_PKEY_free(pkey); return NULL; } #endif /* ndef OPENSSL_NO_RC4 */ static int load_certs_crls(BIO *err, const char *file, int format, const char *pass, ENGINE *e, 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(err, "bad input format specified for %s\n", desc); return 0; } if (file == NULL) bio = BIO_new_fp(stdin, BIO_NOCLOSE); else bio = BIO_new_file(file, "r"); if (bio == NULL) { BIO_printf(err, "Error opening %s %s\n", desc, file ? file : "stdin"); ERR_print_errors(err); return 0; } xis = PEM_X509_INFO_read_bio(bio, NULL, (pem_password_cb *)password_callback, &cb_data); BIO_free(bio); if (pcerts) { *pcerts = sk_X509_new_null(); if (!*pcerts) goto end; } if (pcrls) { *pcrls = sk_X509_CRL_new_null(); if (!*pcrls) goto end; } for (i = 0; i < sk_X509_INFO_num(xis); i++) { xi = sk_X509_INFO_value(xis, i); if (xi->x509 && pcerts) { if (!sk_X509_push(*pcerts, xi->x509)) goto end; xi->x509 = NULL; } if (xi->crl && pcrls) { if (!sk_X509_CRL_push(*pcrls, xi->crl)) goto end; xi->crl = NULL; } } if (pcerts && sk_X509_num(*pcerts) > 0) rv = 1; if (pcrls && sk_X509_CRL_num(*pcrls) > 0) rv = 1; end: if (xis) sk_X509_INFO_pop_free(xis, X509_INFO_free); if (rv == 0) { if (pcerts) { sk_X509_pop_free(*pcerts, X509_free); *pcerts = NULL; } if (pcrls) { sk_X509_CRL_pop_free(*pcrls, X509_CRL_free); *pcrls = NULL; } BIO_printf(err, "unable to load %s\n", pcerts ? "certificates" : "CRLs"); ERR_print_errors(err); } return rv; } STACK_OF(X509) *load_certs(BIO *err, const char *file, int format, const char *pass, ENGINE *e, const char *desc) { STACK_OF(X509) *certs; if (!load_certs_crls(err, file, format, pass, e, desc, &certs, NULL)) return NULL; return certs; } STACK_OF(X509_CRL) *load_crls(BIO *err, const char *file, int format, const char *pass, ENGINE *e, const char *desc) { STACK_OF(X509_CRL) *crls; if (!load_certs_crls(err, file, format, pass, e, desc, NULL, &crls)) return NULL; return 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_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} }; return set_multi_opts(flags, arg, ex_tbl); } int set_ext_copy(int *copy_type, const char *arg) { if (!strcasecmp(arg, "none")) *copy_type = EXT_COPY_NONE; else if (!strcasecmp(arg, "copy")) *copy_type = EXT_COPY_ADD; else if (!strcasecmp(arg, "copyall")) *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)) { *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"); } } X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath) { X509_STORE *store; X509_LOOKUP *lookup; if (!(store = X509_STORE_new())) goto end; 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(bp, "Error loading file %s\n", CAfile); goto end; } } else X509_LOOKUP_load_file(lookup, NULL, X509_FILETYPE_DEFAULT); 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(bp, "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(BIO *err, const char *engine, int debug) { 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; } ENGINE *setup_engine(BIO *err, const char *engine, int debug) { ENGINE *e = NULL; if (engine) { if (strcmp(engine, "auto") == 0) { BIO_printf(err, "enabling auto ENGINE support\n"); ENGINE_register_all_complete(); return NULL; } if ((e = ENGINE_by_id(engine)) == NULL && (e = try_load_engine(err, engine, debug)) == NULL) { BIO_printf(err, "invalid engine \"%s\"\n", engine); ERR_print_errors(err); return NULL; } if (debug) { ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM, 0, err, 0); } ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1); if (!ENGINE_set_default(e, ENGINE_METHOD_ALL)) { BIO_printf(err, "can't use that engine\n"); ERR_print_errors(err); ENGINE_free(e); return NULL; } BIO_printf(err, "engine \"%s\" set.\n", ENGINE_get_id(e)); /* Free our "structural" reference. */ ENGINE_free(e); } return e; } #endif int load_config(BIO *err, CONF *cnf) { static int load_config_called = 0; if (load_config_called) return 1; load_config_called = 1; if (!cnf) cnf = config; if (!cnf) return 1; OPENSSL_load_builtin_modules(); if (CONF_modules_load(cnf, NULL, 0) <= 0) { BIO_printf(err, "Error configuring OpenSSL\n"); ERR_print_errors(err); return 0; } return 1; } char *make_config_name() { const char *t = X509_get_default_cert_area(); size_t len; char *p; len = strlen(t) + strlen(OPENSSL_CONF) + 2; p = OPENSSL_malloc(len); if (p == NULL) return NULL; BUF_strlcpy(p, t, len); #ifndef OPENSSL_SYS_VMS BUF_strlcat(p, "/", len); #endif BUF_strlcat(p, OPENSSL_CONF, len); return p; } static unsigned long index_serial_hash(const OPENSSL_CSTRING *a) { const char *n; n = a[DB_serial]; while (*n == '0') n++; return (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 (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(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; if ((in = BIO_new(BIO_s_file())) == NULL) { ERR_print_errors(bio_err); goto err; } if (BIO_read_filename(in, serialfile) <= 0) { if (!create) { perror(serialfile); goto err; } else { 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: if (in != NULL) BIO_free(in); if (ai != NULL) ASN1_INTEGER_free(ai); return (ret); } int save_serial(char *serialfile, char *suffix, 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) BUF_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 } #ifdef RL_DEBUG BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]); #endif out = BIO_new(BIO_s_file()); if (out == NULL) { ERR_print_errors(bio_err); goto err; } if (BIO_write_filename(out, buf[0]) <= 0) { perror(serialfile); 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 (out != NULL) BIO_free_all(out); if (ai != NULL) ASN1_INTEGER_free(ai); return (ret); } int rotate_serial(char *serialfile, char *new_suffix, char *old_suffix) { char buf[5][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); #else j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, new_suffix); #endif #ifndef OPENSSL_SYS_VMS j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s", serialfile, old_suffix); #else j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s", serialfile, old_suffix); #endif #ifdef RL_DEBUG BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n", serialfile, buf[1]); #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; } #ifdef RL_DEBUG BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n", buf[0], serialfile); #endif if (rename(buf[0], serialfile) < 0) { BIO_printf(bio_err, "unable to rename %s to %s\n", buf[0], serialfile); perror("reason"); rename(buf[1], serialfile); goto err; } return 1; err: return 0; } int rand_serial(BIGNUM *b, ASN1_INTEGER *ai) { BIGNUM *btmp; int ret = 0; if (b) btmp = b; else btmp = BN_new(); if (!btmp) return 0; if (!BN_pseudo_rand(btmp, SERIAL_RAND_BITS, 0, 0)) goto error; if (ai && !BN_to_ASN1_INTEGER(btmp, ai)) goto error; ret = 1; error: if (!b) BN_free(btmp); return ret; } CA_DB *load_index(char *dbfile, DB_ATTR *db_attr) { CA_DB *retdb = NULL; TXT_DB *tmpdb = NULL; BIO *in = BIO_new(BIO_s_file()); CONF *dbattr_conf = NULL; char buf[1][BSIZE]; long errorline = -1; if (in == NULL) { ERR_print_errors(bio_err); goto err; } if (BIO_read_filename(in, dbfile) <= 0) { perror(dbfile); BIO_printf(bio_err, "unable to open '%s'\n", dbfile); goto err; } if ((tmpdb = TXT_DB_read(in, DB_NUMBER)) == NULL) goto err; #ifndef OPENSSL_SYS_VMS BIO_snprintf(buf[0], sizeof buf[0], "%s.attr", dbfile); #else BIO_snprintf(buf[0], sizeof buf[0], "%s-attr", dbfile); #endif dbattr_conf = NCONF_new(NULL); if (NCONF_load(dbattr_conf, buf[0], &errorline) <= 0) { if (errorline > 0) { BIO_printf(bio_err, "error on line %ld of db attribute file '%s'\n", errorline, buf[0]); goto err; } else { NCONF_free(dbattr_conf); dbattr_conf = NULL; } } if ((retdb = OPENSSL_malloc(sizeof(CA_DB))) == NULL) { fprintf(stderr, "Out of memory\n"); goto err; } 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) { #ifdef RL_DEBUG BIO_printf(bio_err, "DEBUG[load_index]: unique_subject = \"%s\"\n", p); #endif retdb->attributes.unique_subject = parse_yesno(p, 1); } } err: if (dbattr_conf) NCONF_free(dbattr_conf); if (tmpdb) TXT_DB_free(tmpdb); if (in) 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 = BIO_new(BIO_s_file()); int j; if (out == NULL) { ERR_print_errors(bio_err); goto err; } 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); #else j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr", dbfile); #endif #ifndef OPENSSL_SYS_VMS j = BIO_snprintf(buf[1], sizeof buf[1], "%s.attr.%s", dbfile, suffix); #else j = BIO_snprintf(buf[1], sizeof buf[1], "%s-attr-%s", dbfile, suffix); #endif #ifndef OPENSSL_SYS_VMS j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, suffix); #else j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, suffix); #endif #ifdef RL_DEBUG BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]); #endif if (BIO_write_filename(out, buf[0]) <= 0) { perror(dbfile); BIO_printf(bio_err, "unable to open '%s'\n", dbfile); goto err; } j = TXT_DB_write(out, db->db); if (j <= 0) goto err; BIO_free(out); out = BIO_new(BIO_s_file()); #ifdef RL_DEBUG BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[1]); #endif if (BIO_write_filename(out, buf[1]) <= 0) { 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); #else j = BIO_snprintf(buf[4], sizeof buf[4], "%s-attr", dbfile); #endif #ifndef OPENSSL_SYS_VMS j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr.%s", dbfile, new_suffix); #else j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr-%s", dbfile, new_suffix); #endif #ifndef OPENSSL_SYS_VMS j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, new_suffix); #else j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, new_suffix); #endif #ifndef OPENSSL_SYS_VMS j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s", dbfile, old_suffix); #else j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s", dbfile, old_suffix); #endif #ifndef OPENSSL_SYS_VMS j = BIO_snprintf(buf[3], sizeof buf[3], "%s.attr.%s", dbfile, old_suffix); #else j = BIO_snprintf(buf[3], sizeof buf[3], "%s-attr-%s", dbfile, old_suffix); #endif #ifdef RL_DEBUG BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n", dbfile, buf[1]); #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; } #ifdef RL_DEBUG BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n", buf[0], dbfile); #endif 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; } #ifdef RL_DEBUG BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n", buf[4], buf[3]); #endif 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; } #ifdef RL_DEBUG BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n", buf[2], buf[4]); #endif 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) { if (db->db) TXT_DB_free(db->db); OPENSSL_free(db); } } int parse_yesno(const char *str, int def) { int ret = def; if (str) { switch (*str) { case 'f': /* false */ case 'F': /* FALSE */ case 'n': /* no */ case 'N': /* NO */ case '0': /* 0 */ ret = 0; break; case 't': /* true */ case 'T': /* TRUE */ case 'y': /* yes */ case 'Y': /* YES */ case '1': /* 1 */ ret = 1; break; default: ret = def; break; } } return ret; } /* * subject is expected to be in the format /type0=value0/type1=value1/type2=... * where characters may be escaped by \ */ X509_NAME *parse_name(char *subject, long chtype, int multirdn) { size_t buflen = strlen(subject) + 1; /* to copy the types and values * into. due to escaping, the copy * can only become shorter */ char *buf = OPENSSL_malloc(buflen); size_t max_ne = buflen / 2 + 1; /* maximum number of name elements */ char **ne_types = OPENSSL_malloc(max_ne * sizeof(char *)); char **ne_values = OPENSSL_malloc(max_ne * sizeof(char *)); int *mval = OPENSSL_malloc(max_ne * sizeof(int)); char *sp = subject, *bp = buf; int i, ne_num = 0; X509_NAME *n = NULL; int nid; if (!buf || !ne_types || !ne_values || !mval) { BIO_printf(bio_err, "malloc error\n"); goto error; } if (*subject != '/') { BIO_printf(bio_err, "Subject does not start with '/'.\n"); goto error; } sp++; /* skip leading / */ /* no multivalued RDN by default */ mval[ne_num] = 0; while (*sp) { /* collect type */ ne_types[ne_num] = bp; while (*sp) { if (*sp == '\\') { /* is there anything to escape in the * type...? */ if (*++sp) *bp++ = *sp++; else { BIO_printf(bio_err, "escape character at end of string\n"); goto error; } } else if (*sp == '=') { sp++; *bp++ = '\0'; break; } else *bp++ = *sp++; } if (!*sp) { BIO_printf(bio_err, "end of string encountered while processing type of subject name element #%d\n", ne_num); goto error; } ne_values[ne_num] = bp; while (*sp) { if (*sp == '\\') { if (*++sp) *bp++ = *sp++; else { BIO_printf(bio_err, "escape character at end of string\n"); goto error; } } else if (*sp == '/') { sp++; /* no multivalued RDN by default */ mval[ne_num + 1] = 0; break; } else if (*sp == '+' && multirdn) { /* * a not escaped + signals a mutlivalued RDN */ sp++; mval[ne_num + 1] = -1; break; } else *bp++ = *sp++; } *bp++ = '\0'; ne_num++; } if (!(n = X509_NAME_new())) goto error; for (i = 0; i < ne_num; i++) { if ((nid = OBJ_txt2nid(ne_types[i])) == NID_undef) { BIO_printf(bio_err, "Subject Attribute %s has no known NID, skipped\n", ne_types[i]); continue; } if (!*ne_values[i]) { BIO_printf(bio_err, "No value provided for Subject Attribute %s, skipped\n", ne_types[i]); continue; } if (!X509_NAME_add_entry_by_NID (n, nid, chtype, (unsigned char *)ne_values[i], -1, -1, mval[i])) goto error; } OPENSSL_free(ne_values); OPENSSL_free(ne_types); OPENSSL_free(buf); OPENSSL_free(mval); return n; error: X509_NAME_free(n); if (ne_values) OPENSSL_free(ne_values); if (ne_types) OPENSSL_free(ne_types); if (mval) OPENSSL_free(mval); if (buf) OPENSSL_free(buf); return NULL; } int args_verify(char ***pargs, int *pargc, int *badarg, BIO *err, X509_VERIFY_PARAM **pm) { ASN1_OBJECT *otmp = NULL; unsigned long flags = 0; int i; int purpose = 0, depth = -1; char **oldargs = *pargs; char *arg = **pargs, *argn = (*pargs)[1]; const X509_VERIFY_PARAM *vpm = NULL; time_t at_time = 0; char *hostname = NULL; char *email = NULL; char *ipasc = NULL; if (!strcmp(arg, "-policy")) { if (!argn) *badarg = 1; else { otmp = OBJ_txt2obj(argn, 0); if (!otmp) { BIO_printf(err, "Invalid Policy \"%s\"\n", argn); *badarg = 1; } } (*pargs)++; } else if (strcmp(arg, "-purpose") == 0) { X509_PURPOSE *xptmp; if (!argn) *badarg = 1; else { i = X509_PURPOSE_get_by_sname(argn); if (i < 0) { BIO_printf(err, "unrecognized purpose\n"); *badarg = 1; } else { xptmp = X509_PURPOSE_get0(i); purpose = X509_PURPOSE_get_id(xptmp); } } (*pargs)++; } else if (strcmp(arg, "-verify_name") == 0) { if (!argn) *badarg = 1; else { vpm = X509_VERIFY_PARAM_lookup(argn); if (!vpm) { BIO_printf(err, "unrecognized verify name\n"); *badarg = 1; } } (*pargs)++; } else if (strcmp(arg, "-verify_depth") == 0) { if (!argn) *badarg = 1; else { depth = atoi(argn); if (depth < 0) { BIO_printf(err, "invalid depth\n"); *badarg = 1; } } (*pargs)++; } else if (strcmp(arg, "-attime") == 0) { if (!argn) *badarg = 1; else { long timestamp; /* * interpret the -attime argument as seconds since Epoch */ if (sscanf(argn, "%li", ×tamp) != 1) { BIO_printf(bio_err, "Error parsing timestamp %s\n", argn); *badarg = 1; } /* on some platforms time_t may be a float */ at_time = (time_t)timestamp; } (*pargs)++; } else if (strcmp(arg, "-verify_hostname") == 0) { if (!argn) *badarg = 1; hostname = argn; (*pargs)++; } else if (strcmp(arg, "-verify_email") == 0) { if (!argn) *badarg = 1; email = argn; (*pargs)++; } else if (strcmp(arg, "-verify_ip") == 0) { if (!argn) *badarg = 1; ipasc = argn; (*pargs)++; } else if (!strcmp(arg, "-ignore_critical")) flags |= X509_V_FLAG_IGNORE_CRITICAL; else if (!strcmp(arg, "-issuer_checks")) flags |= X509_V_FLAG_CB_ISSUER_CHECK; else if (!strcmp(arg, "-crl_check")) flags |= X509_V_FLAG_CRL_CHECK; else if (!strcmp(arg, "-crl_check_all")) flags |= X509_V_FLAG_CRL_CHECK | X509_V_FLAG_CRL_CHECK_ALL; else if (!strcmp(arg, "-policy_check")) flags |= X509_V_FLAG_POLICY_CHECK; else if (!strcmp(arg, "-explicit_policy")) flags |= X509_V_FLAG_EXPLICIT_POLICY; else if (!strcmp(arg, "-inhibit_any")) flags |= X509_V_FLAG_INHIBIT_ANY; else if (!strcmp(arg, "-inhibit_map")) flags |= X509_V_FLAG_INHIBIT_MAP; else if (!strcmp(arg, "-x509_strict")) flags |= X509_V_FLAG_X509_STRICT; else if (!strcmp(arg, "-extended_crl")) flags |= X509_V_FLAG_EXTENDED_CRL_SUPPORT; else if (!strcmp(arg, "-use_deltas")) flags |= X509_V_FLAG_USE_DELTAS; else if (!strcmp(arg, "-policy_print")) flags |= X509_V_FLAG_NOTIFY_POLICY; else if (!strcmp(arg, "-check_ss_sig")) flags |= X509_V_FLAG_CHECK_SS_SIGNATURE; else if (!strcmp(arg, "-trusted_first")) flags |= X509_V_FLAG_TRUSTED_FIRST; else if (!strcmp(arg, "-suiteB_128_only")) flags |= X509_V_FLAG_SUITEB_128_LOS_ONLY; else if (!strcmp(arg, "-suiteB_128")) flags |= X509_V_FLAG_SUITEB_128_LOS; else if (!strcmp(arg, "-suiteB_192")) flags |= X509_V_FLAG_SUITEB_192_LOS; else if (!strcmp(arg, "-partial_chain")) flags |= X509_V_FLAG_PARTIAL_CHAIN; else if (!strcmp(arg, "-no_alt_chains")) flags |= X509_V_FLAG_NO_ALT_CHAINS; else return 0; if (*badarg) { if (*pm) X509_VERIFY_PARAM_free(*pm); *pm = NULL; goto end; } if (!*pm && !(*pm = X509_VERIFY_PARAM_new())) { *badarg = 1; goto end; } if (vpm) X509_VERIFY_PARAM_set1(*pm, vpm); if (otmp) X509_VERIFY_PARAM_add0_policy(*pm, otmp); if (flags) X509_VERIFY_PARAM_set_flags(*pm, flags); if (purpose) X509_VERIFY_PARAM_set_purpose(*pm, purpose); if (depth >= 0) X509_VERIFY_PARAM_set_depth(*pm, depth); if (at_time) X509_VERIFY_PARAM_set_time(*pm, at_time); if (hostname && !X509_VERIFY_PARAM_set1_host(*pm, hostname, 0)) *badarg = 1; if (email && !X509_VERIFY_PARAM_set1_email(*pm, email, 0)) *badarg = 1; if (ipasc && !X509_VERIFY_PARAM_set1_ip_asc(*pm, ipasc)) *badarg = 1; end: (*pargs)++; if (pargc) *pargc -= *pargs - oldargs; return 1; } /* * 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) return -1; for (;;) { if ((maxlen != -1) && maxlen < 1024) len = maxlen; else len = 1024; len = BIO_read(in, tbuf, len); 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, char *value) { int rv; char *stmp, *vtmp = NULL; stmp = BUF_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(BIO *out, const char *name, STACK_OF(X509_POLICY_NODE) *nodes) { X509_POLICY_NODE *node; int i; BIO_printf(out, "%s Policies:", name); if (nodes) { BIO_puts(out, "\n"); for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++) { node = sk_X509_POLICY_NODE_value(nodes, i); X509_POLICY_NODE_print(out, node, 2); } } else BIO_puts(out, " \n"); } void policies_print(BIO *out, X509_STORE_CTX *ctx) { X509_POLICY_TREE *tree; int explicit_policy; int free_out = 0; if (out == NULL) { out = BIO_new_fp(stderr, BIO_NOCLOSE); free_out = 1; } tree = X509_STORE_CTX_get0_policy_tree(ctx); explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx); BIO_printf(out, "Require explicit Policy: %s\n", explicit_policy ? "True" : "False"); nodes_print(out, "Authority", X509_policy_tree_get0_policies(tree)); nodes_print(out, "User", X509_policy_tree_get0_user_policies(tree)); if (free_out) BIO_free(out); } #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK) static JPAKE_CTX *jpake_init(const char *us, const char *them, const char *secret) { BIGNUM *p = NULL; BIGNUM *g = NULL; BIGNUM *q = NULL; BIGNUM *bnsecret = BN_new(); JPAKE_CTX *ctx; /* Use a safe prime for p (that we found earlier) */ BN_hex2bn(&p, "F9E5B365665EA7A05A9C534502780FEE6F1AB5BD4F49947FD036DBD7E905269AF46EF28B0FC07487EE4F5D20FB3C0AF8E700F3A2FA3414970CBED44FEDFF80CE78D800F184BB82435D137AADA2C6C16523247930A63B85661D1FC817A51ACD96168E95898A1F83A79FFB529368AA7833ABD1B0C3AEDDB14D2E1A2F71D99F763F"); g = BN_new(); BN_set_word(g, 2); q = BN_new(); BN_rshift1(q, p); BN_bin2bn((const unsigned char *)secret, strlen(secret), bnsecret); ctx = JPAKE_CTX_new(us, them, p, g, q, bnsecret); BN_free(bnsecret); BN_free(q); BN_free(g); BN_free(p); return ctx; } static void jpake_send_part(BIO *conn, const JPAKE_STEP_PART *p) { BN_print(conn, p->gx); BIO_puts(conn, "\n"); BN_print(conn, p->zkpx.gr); BIO_puts(conn, "\n"); BN_print(conn, p->zkpx.b); BIO_puts(conn, "\n"); } static void jpake_send_step1(BIO *bconn, JPAKE_CTX *ctx) { JPAKE_STEP1 s1; JPAKE_STEP1_init(&s1); JPAKE_STEP1_generate(&s1, ctx); jpake_send_part(bconn, &s1.p1); jpake_send_part(bconn, &s1.p2); (void)BIO_flush(bconn); JPAKE_STEP1_release(&s1); } static void jpake_send_step2(BIO *bconn, JPAKE_CTX *ctx) { JPAKE_STEP2 s2; JPAKE_STEP2_init(&s2); JPAKE_STEP2_generate(&s2, ctx); jpake_send_part(bconn, &s2); (void)BIO_flush(bconn); JPAKE_STEP2_release(&s2); } static void jpake_send_step3a(BIO *bconn, JPAKE_CTX *ctx) { JPAKE_STEP3A s3a; JPAKE_STEP3A_init(&s3a); JPAKE_STEP3A_generate(&s3a, ctx); BIO_write(bconn, s3a.hhk, sizeof s3a.hhk); (void)BIO_flush(bconn); JPAKE_STEP3A_release(&s3a); } static void jpake_send_step3b(BIO *bconn, JPAKE_CTX *ctx) { JPAKE_STEP3B s3b; JPAKE_STEP3B_init(&s3b); JPAKE_STEP3B_generate(&s3b, ctx); BIO_write(bconn, s3b.hk, sizeof s3b.hk); (void)BIO_flush(bconn); JPAKE_STEP3B_release(&s3b); } static void readbn(BIGNUM **bn, BIO *bconn) { char buf[10240]; int l; l = BIO_gets(bconn, buf, sizeof buf); assert(l > 0); assert(buf[l - 1] == '\n'); buf[l - 1] = '\0'; BN_hex2bn(bn, buf); } static void jpake_receive_part(JPAKE_STEP_PART *p, BIO *bconn) { readbn(&p->gx, bconn); readbn(&p->zkpx.gr, bconn); readbn(&p->zkpx.b, bconn); } static void jpake_receive_step1(JPAKE_CTX *ctx, BIO *bconn) { JPAKE_STEP1 s1; JPAKE_STEP1_init(&s1); jpake_receive_part(&s1.p1, bconn); jpake_receive_part(&s1.p2, bconn); if (!JPAKE_STEP1_process(ctx, &s1)) { ERR_print_errors(bio_err); exit(1); } JPAKE_STEP1_release(&s1); } static void jpake_receive_step2(JPAKE_CTX *ctx, BIO *bconn) { JPAKE_STEP2 s2; JPAKE_STEP2_init(&s2); jpake_receive_part(&s2, bconn); if (!JPAKE_STEP2_process(ctx, &s2)) { ERR_print_errors(bio_err); exit(1); } JPAKE_STEP2_release(&s2); } static void jpake_receive_step3a(JPAKE_CTX *ctx, BIO *bconn) { JPAKE_STEP3A s3a; int l; JPAKE_STEP3A_init(&s3a); l = BIO_read(bconn, s3a.hhk, sizeof s3a.hhk); assert(l == sizeof s3a.hhk); if (!JPAKE_STEP3A_process(ctx, &s3a)) { ERR_print_errors(bio_err); exit(1); } JPAKE_STEP3A_release(&s3a); } static void jpake_receive_step3b(JPAKE_CTX *ctx, BIO *bconn) { JPAKE_STEP3B s3b; int l; JPAKE_STEP3B_init(&s3b); l = BIO_read(bconn, s3b.hk, sizeof s3b.hk); assert(l == sizeof s3b.hk); if (!JPAKE_STEP3B_process(ctx, &s3b)) { ERR_print_errors(bio_err); exit(1); } JPAKE_STEP3B_release(&s3b); } void jpake_client_auth(BIO *out, BIO *conn, const char *secret) { JPAKE_CTX *ctx; BIO *bconn; BIO_puts(out, "Authenticating with JPAKE\n"); ctx = jpake_init("client", "server", secret); bconn = BIO_new(BIO_f_buffer()); BIO_push(bconn, conn); jpake_send_step1(bconn, ctx); jpake_receive_step1(ctx, bconn); jpake_send_step2(bconn, ctx); jpake_receive_step2(ctx, bconn); jpake_send_step3a(bconn, ctx); jpake_receive_step3b(ctx, bconn); BIO_puts(out, "JPAKE authentication succeeded, setting PSK\n"); if (psk_key) OPENSSL_free(psk_key); psk_key = BN_bn2hex(JPAKE_get_shared_key(ctx)); BIO_pop(bconn); BIO_free(bconn); JPAKE_CTX_free(ctx); } void jpake_server_auth(BIO *out, BIO *conn, const char *secret) { JPAKE_CTX *ctx; BIO *bconn; BIO_puts(out, "Authenticating with JPAKE\n"); ctx = jpake_init("server", "client", secret); bconn = BIO_new(BIO_f_buffer()); BIO_push(bconn, conn); jpake_receive_step1(ctx, bconn); jpake_send_step1(bconn, ctx); jpake_receive_step2(ctx, bconn); jpake_send_step2(bconn, ctx); jpake_receive_step3a(ctx, bconn); jpake_send_step3b(bconn, ctx); BIO_puts(out, "JPAKE authentication succeeded, setting PSK\n"); if (psk_key) OPENSSL_free(psk_key); psk_key = BN_bn2hex(JPAKE_get_shared_key(ctx)); BIO_pop(bconn); BIO_free(bconn); JPAKE_CTX_free(ctx); } #endif #ifndef OPENSSL_NO_TLSEXT /*- * 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 termianted string like "abc,def,ghi" * * returns: a malloced buffer or NULL on failure. */ unsigned char *next_protos_parse(unsigned short *outlen, const char *in) { size_t len; unsigned char *out; size_t i, start = 0; len = strlen(in); if (len >= 65535) return NULL; out = OPENSSL_malloc(strlen(in) + 1); if (!out) return NULL; for (i = 0; i <= len; ++i) { if (i == len || in[i] == ',') { if (i - start > 255) { OPENSSL_free(out); return NULL; } out[start] = i - start; start = i + 1; } else out[i + 1] = in[i]; } *outlen = len + 1; return out; } #endif /* ndef OPENSSL_NO_TLSEXT */ 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) { char *uptr = (char *)ASN1_STRING_data(uri); if (!strncmp(uptr, "http://", 7)) 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; 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) return NULL; crls = sk_X509_CRL_new_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 = (TCHAR *)malloc(sizeof(TCHAR) * (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_SYS_NETWARE) # include double app_tminterval(int stop, int usertime) { double ret = 0; static clock_t tmstart; static int warning = 1; if (usertime && warning) { BIO_printf(bio_err, "To get meaningful results, run " "this program on idle system.\n"); warning = 0; } if (stop == TM_START) tmstart = clock(); else ret = (clock() - tmstart) / (double)CLOCKS_PER_SEC; 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 /* app_isdir section */ #ifdef _WIN32 int app_isdir(const char *name) { HANDLE hList; WIN32_FIND_DATA FileData; # if defined(UNICODE) || defined(_UNICODE) size_t i, len_0 = strlen(name) + 1; if (len_0 > sizeof(FileData.cFileName) / sizeof(FileData.cFileName[0])) return -1; # if !defined(_WIN32_WCE) || _WIN32_WCE>=101 if (!MultiByteToWideChar (CP_ACP, 0, name, len_0, FileData.cFileName, len_0)) # endif for (i = 0; i < len_0; i++) FileData.cFileName[i] = (WCHAR)name[i]; hList = FindFirstFile(FileData.cFileName, &FileData); # else hList = FindFirstFile(name, &FileData); # endif if (hList == INVALID_HANDLE_VALUE) return -1; FindClose(hList); return ((FileData.dwFileAttributes & 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(_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); } #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