diff options
Diffstat (limited to 'openssl/apps/apps.c')
| -rw-r--r-- | openssl/apps/apps.c | 2569 |
1 files changed, 2569 insertions, 0 deletions
diff --git a/openssl/apps/apps.c b/openssl/apps/apps.c new file mode 100644 index 000000000..498722a5a --- /dev/null +++ b/openssl/apps/apps.c @@ -0,0 +1,2569 @@ +/* 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). + * + */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <ctype.h> +#include <assert.h> +#include <openssl/err.h> +#include <openssl/x509.h> +#include <openssl/x509v3.h> +#include <openssl/pem.h> +#include <openssl/pkcs12.h> +#include <openssl/ui.h> +#include <openssl/safestack.h> +#ifndef OPENSSL_NO_ENGINE +#include <openssl/engine.h> +#endif +#ifndef OPENSSL_NO_RSA +#include <openssl/rsa.h> +#endif +#include <openssl/bn.h> +#ifndef OPENSSL_NO_JPAKE +#include <openssl/jpake.h> +#endif + +#define NON_MAIN +#include "apps.h" +#undef NON_MAIN + +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; + struct stat stbuf; + + if (stat(file,&stbuf) < 0) return(0); + + fp=fopen(file,"r"); + if (fp == NULL) + return(0); + + *argc=0; + *argv=NULL; + + len=(unsigned int)stbuf.st_size; + 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 == 'D') || (*s == 'd')) + return(FORMAT_ASN1); + else if ((*s == 'T') || (*s == 't')) + return(FORMAT_TEXT); + else if ((*s == 'P') || (*s == 'p')) + return(FORMAT_PEM); + else if ((*s == 'N') || (*s == 'n')) + return(FORMAT_NETSCAPE); + else if ((*s == 'S') || (*s == 's')) + return(FORMAT_SMIME); + 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 + return(FORMAT_UNDEF); + } + +#if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16) || 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,len,i; + char *p; + + *argc=0; + *argv=NULL; + + len=strlen(buf); + i=0; + if (arg->count == 0) + { + arg->count=20; + arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count); + } + 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); + + 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); + 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; + } + } 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); + } 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; + } + +X509 *load_cert(BIO *err, const char *file, int format, + const char *pass, ENGINE *e, const char *cert_descrip) + { + ASN1_HEADER *ah=NULL; + BUF_MEM *buf=NULL; + X509 *x=NULL; + BIO *cert; + + if ((cert=BIO_new(BIO_s_file())) == NULL) + { + ERR_print_errors(err); + goto end; + } + + if (file == NULL) + { + setvbuf(stdin, NULL, _IONBF, 0); + 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) + { + const unsigned char *p,*op; + int size=0,i; + + /* We sort of have to do it this way because it is sort of nice + * to read the header first and check it, then + * try to read the certificate */ + buf=BUF_MEM_new(); + for (;;) + { + if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10))) + goto end; + i=BIO_read(cert,&(buf->data[size]),1024*10); + size+=i; + if (i == 0) break; + if (i < 0) + { + perror("reading certificate"); + goto end; + } + } + p=(unsigned char *)buf->data; + op=p; + + /* First load the header */ + if ((ah=d2i_ASN1_HEADER(NULL,&p,(long)size)) == NULL) + goto end; + if ((ah->header == NULL) || (ah->header->data == NULL) || + (strncmp(NETSCAPE_CERT_HDR,(char *)ah->header->data, + ah->header->length) != 0)) + { + BIO_printf(err,"Error reading header on certificate\n"); + goto end; + } + /* header is ok, so now read the object */ + p=op; + ah->meth=X509_asn1_meth(); + if ((ah=d2i_ASN1_HEADER(&ah,&p,(long)size)) == NULL) + goto end; + x=(X509 *)ah->data; + ah->data=NULL; + } + else if (format == FORMAT_PEM) + x=PEM_read_bio_X509_AUX(cert,NULL, + (pem_password_cb *)password_callback, NULL); + else if (format == FORMAT_PKCS12) + { + if (!load_pkcs12(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 (ah != NULL) ASN1_HEADER_free(ah); + if (cert != NULL) BIO_free(cert); + if (buf != NULL) BUF_MEM_free(buf); + 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(bio_err,"no engine specified\n"); + else + pkey = ENGINE_load_private_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) + { + setvbuf(stdin, NULL, _IONBF, 0); + 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; + } + 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); + } + +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) + { + setvbuf(stdin, NULL, _IONBF, 0); + 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); + } + 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 + 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 */ + +STACK_OF(X509) *load_certs(BIO *err, const char *file, int format, + const char *pass, ENGINE *e, const char *cert_descrip) + { + BIO *certs; + int i; + STACK_OF(X509) *othercerts = NULL; + STACK_OF(X509_INFO) *allcerts = NULL; + X509_INFO *xi; + PW_CB_DATA cb_data; + + cb_data.password = pass; + cb_data.prompt_info = file; + + if((certs = BIO_new(BIO_s_file())) == NULL) + { + ERR_print_errors(err); + goto end; + } + + if (file == NULL) + BIO_set_fp(certs,stdin,BIO_NOCLOSE); + else + { + if (BIO_read_filename(certs,file) <= 0) + { + BIO_printf(err, "Error opening %s %s\n", + cert_descrip, file); + ERR_print_errors(err); + goto end; + } + } + + if (format == FORMAT_PEM) + { + othercerts = sk_X509_new_null(); + if(!othercerts) + { + sk_X509_free(othercerts); + othercerts = NULL; + goto end; + } + allcerts = PEM_X509_INFO_read_bio(certs, NULL, + (pem_password_cb *)password_callback, &cb_data); + for(i = 0; i < sk_X509_INFO_num(allcerts); i++) + { + xi = sk_X509_INFO_value (allcerts, i); + if (xi->x509) + { + sk_X509_push(othercerts, xi->x509); + xi->x509 = NULL; + } + } + goto end; + } + else { + BIO_printf(err,"bad input format specified for %s\n", + cert_descrip); + goto end; + } +end: + if (othercerts == NULL) + { + BIO_printf(err,"unable to load certificates\n"); + ERR_print_errors(err); + } + if (allcerts) sk_X509_INFO_pop_free(allcerts, X509_INFO_free); + if (certs != NULL) BIO_free(certs); + return(othercerts); + } + + +#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) + { + 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); + 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 char **a) + { + const char *n; + + n=a[DB_serial]; + while (*n == '0') n++; + return(lh_strhash(n)); + } + +static int index_serial_cmp(const char **a, const char **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 char **a) + { return(lh_strhash(a[DB_name])); } + +int index_name_cmp(const char **a, const char **b) + { return(strcmp(a[DB_name], + b[DB_name])); } + +static IMPLEMENT_LHASH_HASH_FN(index_serial_hash,const char **) +static IMPLEMENT_LHASH_COMP_FN(index_serial_cmp,const char **) +static IMPLEMENT_LHASH_HASH_FN(index_name_hash,const char **) +static IMPLEMENT_LHASH_COMP_FN(index_name_cmp,const char **) + +#undef BSIZE +#define BSIZE 256 + +BIGNUM *load_serial(char *serialfile, int create, ASN1_INTEGER **retai) + { + BIO *in=NULL; + BIGNUM *ret=NULL; + MS_STATIC 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; + struct stat sb; + + 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 + if (stat(serialfile,&sb) < 0) + { + if (errno != ENOENT +#ifdef ENOTDIR + && errno != ENOTDIR +#endif + ) + goto err; + } + else + { +#ifdef RL_DEBUG + BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n", + serialfile, buf[1]); +#endif + if (rename(serialfile,buf[1]) < 0) + { + 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) + { + if (tmpdb != NULL) TXT_DB_free(tmpdb); + 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_hash), + LHASH_COMP_FN(index_serial_cmp))) + { + 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_hash), + LHASH_COMP_FN(index_name_cmp))) + { + 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; + struct stat sb; + + 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 + if (stat(dbfile,&sb) < 0) + { + if (errno != ENOENT +#ifdef ENOTDIR + && errno != ENOTDIR +#endif + ) + goto err; + } + else + { +#ifdef RL_DEBUG + BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n", + dbfile, buf[1]); +#endif + if (rename(dbfile,buf[1]) < 0) + { + 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; + } + if (stat(buf[4],&sb) < 0) + { + if (errno != ENOENT +#ifdef ENOTDIR + && errno != ENOTDIR +#endif + ) + goto err; + } + else + { +#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) + { + 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) + { + 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); + return n; + +error: + X509_NAME_free(n); + if (ne_values) + OPENSSL_free(ne_values); + if (ne_types) + OPENSSL_free(ne_types); + if (buf) + OPENSSL_free(buf); + return NULL; +} + +/* This code MUST COME AFTER anything that uses rename() */ +#ifdef OPENSSL_SYS_WIN32 +int WIN32_rename(const char *from, const char *to) + { +#ifndef OPENSSL_SYS_WINCE + /* Windows rename gives an error if 'to' exists, so delete it + * first and ignore file not found errror + */ + if((remove(to) != 0) && (errno != ENOENT)) + return -1; +#undef rename + return rename(from, to); +#else + /* convert strings to UNICODE */ + { + BOOL result = FALSE; + WCHAR* wfrom; + WCHAR* wto; + int i; + wfrom = malloc((strlen(from)+1)*2); + wto = malloc((strlen(to)+1)*2); + if (wfrom != NULL && wto != NULL) + { + for (i=0; i<(int)strlen(from)+1; i++) + wfrom[i] = (short)from[i]; + for (i=0; i<(int)strlen(to)+1; i++) + wto[i] = (short)to[i]; + result = MoveFile(wfrom, wto); + } + if (wfrom != NULL) + free(wfrom); + if (wto != NULL) + free(wto); + return result; + } +#endif + } +#endif + +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; + char **oldargs = *pargs; + char *arg = **pargs, *argn = (*pargs)[1]; + 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, "-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, "-x509_strict")) + flags |= X509_V_FLAG_X509_STRICT; + else if (!strcmp(arg, "-policy_print")) + flags |= X509_V_FLAG_NOTIFY_POLICY; + 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 (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); + + end: + + (*pargs)++; + + if (pargc) + *pargc -= *pargs - oldargs; + + return 1; + + } + +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, " <empty>\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); + } + +#ifndef OPENSSL_NO_JPAKE + +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); + + /* + * The problem is that you must use the derived key in the + * session key or you are subject to man-in-the-middle + * attacks. + */ + BIO_puts(out, "JPAKE authentication succeeded (N.B. This version can" + " be MitMed. See the version in HEAD for how to do it" + " properly)\n"); + + BIO_pop(bconn); + BIO_free(bconn); + } + +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); + + /* + * The problem is that you must use the derived key in the + * session key or you are subject to man-in-the-middle + * attacks. + */ + BIO_puts(out, "JPAKE authentication succeeded (N.B. This version can" + " be MitMed. See the version in HEAD for how to do it" + " properly)\n"); + + BIO_pop(bconn); + BIO_free(bconn); + } + +#endif |