/* 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 #include #include #include #include #define NON_MAIN #include "apps.h" #undef NON_MAIN #include #include #include #include #include #include #include #include #ifdef OPENSSL_SYS_WINDOWS #define strcasecmp _stricmp #else # ifdef NO_STRINGS_H int strcasecmp(); # else # include # endif /* NO_STRINGS_H */ #endif #ifdef OPENSSL_SYS_WINDOWS # include "bss_file.c" #endif typedef struct { 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) 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); /* 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; if (n > size-1) n=size-1; for (i=0; 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; strncpy(out,p,size-1); out[size-1]='\0'; } #endif #endif #ifdef OPENSSL_SYS_WIN32 int WIN32_rename(char *from, char *to) { /* 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); } #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; icount; 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) { arg->count+=20; arg->data=(char **)OPENSSL_realloc(arg->data, sizeof(char *)*arg->count); if (argc == 0) return(0); } 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 buf[256]; X509_NAME_oneline(X509_get_subject_name(x),buf,256); BIO_puts(out,"subject="); BIO_puts(out,buf); X509_NAME_oneline(X509_get_issuer_name(x),buf,256); BIO_puts(out,"\nissuer= "); BIO_puts(out,buf); BIO_puts(out,"\n"); 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[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[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", cb_data->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) { memset(buff,0,(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); memset(buf,0,(unsigned int)bufsiz); res = 0; } if (ok == -2) { BIO_printf(bio_err,"aborted!\n"); memset(buf,0,(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; } 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) { 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) { PKCS12 *p12 = d2i_PKCS12_bio(cert, NULL); PKCS12_parse(p12, NULL, NULL, &x, NULL); PKCS12_free(p12); p12 = NULL; } 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; } 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; } 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) { PKCS12 *p12 = d2i_PKCS12_bio(key, NULL); PKCS12_parse(p12, pass, &pkey, NULL, NULL); PKCS12_free(p12); p12 = NULL; } 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; } 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; } 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(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, 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; } /* 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; } 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; }