Loading CHANGES +8 −0 Original line number Diff line number Diff line Loading @@ -4,6 +4,14 @@ Changes between 0.9.4 and 0.9.5 [xx XXX 1999] *) Merge in my S/MIME library for OpenSSL. This provides a simple S/MIME API on top of the PKCS#7 code, a MIME parser (with enough functionality to handle multipart/signed properly) and a utility called 'smime' to call all this stuff. This is based on code I originally wrote for Celo who have kindly allowed it to be included in OpenSSL. [Steve Henson] *) Add variants des_set_key_checked and des_set_key_unchecked of des_set_key (aka des_key_sched). Global variable des_check_key decides which of these is called by des_set_key; this way Loading STATUS +2 −3 Original line number Diff line number Diff line OpenSSL STATUS Last modified at ______________ $Date: 1999/11/11 13:58:22 $ ______________ $Date: 1999/12/05 00:40:53 $ DEVELOPMENT STATE Loading @@ -18,7 +18,6 @@ o shared libraries <behnke@trustcenter.de> o getenv in ca.c and x509_def.c (jaltman@watsun.cc.columbia.edu) o SMIME tool (demo), Sampo Kellomaki <sampo@iki.fi> o OCSP patch, Massimiliano Pala (madwolf@openca.org) o CA.pl patch (Damien Miller) o FreeBSD 3.0 changes (Richard Levitte) Loading @@ -27,7 +26,7 @@ o Steve is currently working on (in no particular order): Proper (or at least usable) certificate chain verification. Private key, certificate and CRL API and implementation. Checking and bugfixing PKCS#7 (S/MIME code). Developing and bugfixing PKCS#7 (S/MIME code). Various X509 issues: character sets, certificate request extensions. Documentation for the openssl utility. Loading apps/Makefile.ssl +3 −3 Original line number Diff line number Diff line Loading @@ -38,7 +38,7 @@ E_EXE= verify asn1pars req dgst dh enc gendh errstr ca crl \ rsa dsa dsaparam \ x509 genrsa gendsa s_server s_client speed \ s_time version pkcs7 crl2pkcs7 sess_id ciphers nseq pkcs12 \ pkcs8 spkac pkcs8 spkac smime PROGS= $(PROGRAM).c Loading @@ -54,7 +54,7 @@ E_OBJ= verify.o asn1pars.o req.o dgst.o dh.o enc.o gendh.o errstr.o ca.o \ rsa.o dsa.o dsaparam.o \ x509.o genrsa.o gendsa.o s_server.o s_client.o speed.o \ s_time.o $(A_OBJ) $(S_OBJ) $(RAND_OBJ) version.o sess_id.o \ ciphers.o nseq.o pkcs12.o pkcs8.o spkac.o ciphers.o nseq.o pkcs12.o pkcs8.o spkac.o smime.o # pem_mail.o Loading @@ -63,7 +63,7 @@ E_SRC= verify.c asn1pars.c req.c dgst.c dh.c enc.c gendh.c errstr.c ca.c \ rsa.c dsa.c dsaparam.c \ x509.c genrsa.c gendsa.c s_server.c s_client.c speed.c \ s_time.c $(A_SRC) $(S_SRC) $(RAND_SRC) version.c sess_id.c \ ciphers.c nseq.c pkcs12.c pkcs8.c spkac.c ciphers.c nseq.c pkcs12.c pkcs8.c spkac.c smime.c # pem_mail.c Loading apps/progs.h +2 −0 Original line number Diff line number Diff line Loading @@ -29,6 +29,7 @@ extern int nseq_main(int argc,char *argv[]); extern int pkcs12_main(int argc,char *argv[]); extern int pkcs8_main(int argc,char *argv[]); extern int spkac_main(int argc,char *argv[]); extern int smime_main(int argc,char *argv[]); #ifdef SSLEAY_SRC /* Defined only in openssl.c. */ Loading Loading @@ -96,6 +97,7 @@ FUNCTION functions[] = { #endif {FUNC_TYPE_GENERAL,"pkcs8",pkcs8_main}, {FUNC_TYPE_GENERAL,"spkac",spkac_main}, {FUNC_TYPE_GENERAL,"smime",smime_main}, {FUNC_TYPE_MD,"md2",dgst_main}, {FUNC_TYPE_MD,"md5",dgst_main}, {FUNC_TYPE_MD,"sha",dgst_main}, Loading apps/smime.c 0 → 100644 +446 −0 Original line number Diff line number Diff line /* smime.c */ /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL * project 1999. */ /* ==================================================================== * Copyright (c) 1999 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 * licensing@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). * */ /* S/MIME utility function */ #include <stdio.h> #include <string.h> #include <openssl/pem.h> #include <openssl/err.h> #include "apps.h" #undef PROG #define PROG smime_main static X509 *load_cert(char *file); static EVP_PKEY *load_key(char *file); static STACK_OF(X509) *load_certs(char *file); static X509_STORE *setup_verify(char *CAfile, char *CApath); #define SMIME_OP 0x10 #define SMIME_ENCRYPT (1 | SMIME_OP) #define SMIME_DECRYPT 2 #define SMIME_SIGN (3 | SMIME_OP) #define SMIME_VERIFY 4 #define SMIME_PK7OUT 5 int MAIN(int argc, char **argv) { int operation = 0; int ret = 0; char **args; char *inmode = "r", *outmode = "w"; char *infile = NULL, *outfile = NULL; char *signerfile = NULL, *recipfile = NULL; char *certfile = NULL, *keyfile = NULL; EVP_CIPHER *cipher = NULL; PKCS7 *p7 = NULL; X509_STORE *store = NULL; X509 *cert = NULL, *recip = NULL, *signer = NULL; EVP_PKEY *key = NULL; STACK_OF(X509) *encerts = NULL, *other = NULL; BIO *in = NULL, *out = NULL, *indata = NULL; int badarg = 0; int flags = PKCS7_DETACHED; char *to = NULL, *from = NULL, *subject = NULL; char *CAfile = NULL, *CApath = NULL; args = argv + 1; ret = 1; while (!badarg && *args && *args[0] == '-') { if (!strcmp (*args, "-encrypt")) operation = SMIME_ENCRYPT; else if (!strcmp (*args, "-decrypt")) operation = SMIME_DECRYPT; else if (!strcmp (*args, "-sign")) operation = SMIME_SIGN; else if (!strcmp (*args, "-verify")) operation = SMIME_VERIFY; else if (!strcmp (*args, "-pk7out")) operation = SMIME_PK7OUT; else if (!strcmp (*args, "-des3")) cipher = EVP_des_ede3_cbc(); else if (!strcmp (*args, "-des")) cipher = EVP_des_cbc(); else if (!strcmp (*args, "-rc2-40")) cipher = EVP_rc2_40_cbc(); else if (!strcmp (*args, "-rc2-128")) cipher = EVP_rc2_cbc(); else if (!strcmp (*args, "-rc2-64")) cipher = EVP_rc2_64_cbc(); else if (!strcmp (*args, "-text")) flags |= PKCS7_TEXT; else if (!strcmp (*args, "-nointern")) flags |= PKCS7_NOINTERN; else if (!strcmp (*args, "-noverify")) flags |= PKCS7_NOVERIFY; else if (!strcmp (*args, "-nochain")) flags |= PKCS7_NOCHAIN; else if (!strcmp (*args, "-nocerts")) flags |= PKCS7_NOCERTS; else if (!strcmp (*args, "-noattr")) flags |= PKCS7_NOATTR; else if (!strcmp (*args, "-nodetach")) flags &= ~PKCS7_DETACHED; else if (!strcmp (*args, "-binary")) flags |= PKCS7_BINARY; else if (!strcmp (*args, "-to")) { if (args[1]) { args++; to = *args; } else badarg = 1; } else if (!strcmp (*args, "-from")) { if (args[1]) { args++; from = *args; } else badarg = 1; } else if (!strcmp (*args, "-subject")) { if (args[1]) { args++; subject = *args; } else badarg = 1; } else if (!strcmp (*args, "-signer")) { if (args[1]) { args++; signerfile = *args; } else badarg = 1; } else if (!strcmp (*args, "-recip")) { if (args[1]) { args++; recipfile = *args; } else badarg = 1; } else if (!strcmp (*args, "-inkey")) { if (args[1]) { args++; keyfile = *args; } else badarg = 1; } else if (!strcmp (*args, "-certfile")) { if (args[1]) { args++; certfile = *args; } else badarg = 1; } else if (!strcmp (*args, "-CAfile")) { if (args[1]) { args++; CAfile = *args; } else badarg = 1; } else if (!strcmp (*args, "-CApath")) { if (args[1]) { args++; CApath = *args; } else badarg = 1; } else if (!strcmp (*args, "-in")) { if (args[1]) { args++; infile = *args; } else badarg = 1; } else if (!strcmp (*args, "-out")) { if (args[1]) { args++; outfile = *args; } else badarg = 1; } else badarg = 1; args++; } if(operation == SMIME_SIGN) { if(!signerfile) { BIO_printf(bio_err, "No signer certificate specified\n"); badarg = 1; } } else if(operation == SMIME_DECRYPT) { if(!recipfile) { BIO_printf(bio_err, "No recipient certificate and key specified\n"); badarg = 1; } } else if(operation == SMIME_ENCRYPT) { if(!*args) { BIO_printf(bio_err, "No recipient(s) certificate(s) specified\n"); badarg = 1; } } else if(!operation) badarg = 1; if (badarg) { BIO_printf (bio_err, "Usage smime [options] cert.pem ...\n"); BIO_printf (bio_err, "where options are\n"); BIO_printf (bio_err, "-encrypt encrypt message\n"); BIO_printf (bio_err, "-decrypt decrypt encrypted message\n"); BIO_printf (bio_err, "-sign sign message\n"); BIO_printf (bio_err, "-verify verify signed message\n"); BIO_printf (bio_err, "-pk7out output PKCS#7 structure\n"); BIO_printf (bio_err, "-des3 encrypt with triple DES\n"); BIO_printf (bio_err, "-rc2-40 encrypt with RC2-40\n"); BIO_printf (bio_err, "-rc2-64 encrypt with RC2-64\n"); BIO_printf (bio_err, "-rc2-128 encrypt with RC2-128\n"); BIO_printf (bio_err, "-in file input file\n"); BIO_printf (bio_err, "-certfile file other certificates file\n"); BIO_printf (bio_err, "-signer file signer certificate file\n"); BIO_printf (bio_err, "-recip file recipient certificate file\n"); BIO_printf (bio_err, "-in file input file\n"); BIO_printf (bio_err, "-inkey file input private key (if not signer or recipient)\n"); BIO_printf (bio_err, "-out file output file\n"); BIO_printf (bio_err, "-to addr to address\n"); BIO_printf (bio_err, "-from ad from address\n"); BIO_printf (bio_err, "-subject s subject\n"); BIO_printf (bio_err, "-text include or delete text MIME headers\n"); BIO_printf (bio_err, "cert.pem recipient certificate(s)\n"); goto end; } ret = 2; if(operation != SMIME_SIGN) flags &= ~PKCS7_DETACHED; if(flags & PKCS7_BINARY) { if(operation & SMIME_OP) inmode = "rb"; else outmode = "rb"; } if(operation == SMIME_ENCRYPT) { if (!cipher) cipher = EVP_rc2_40_cbc(); while (*args) { encerts = sk_X509_new_null(); if(!(cert = load_cert(*args))) { BIO_printf(bio_err, "Can't read recipent certificate file %s\n", *args); goto end; } sk_X509_push (encerts, cert); cert = NULL; args++; } } if(signerfile) { if(!(signer = load_cert(signerfile))) { BIO_printf(bio_err, "Can't read signer certificate file %s\n", signerfile); goto end; } } if(certfile) { if(!(other = load_certs(certfile))) { BIO_printf(bio_err, "Can't read certificate file %s\n", certfile); ERR_print_errors(bio_err); goto end; } } if(recipfile) { if(!(recip = load_cert(recipfile))) { BIO_printf(bio_err, "Can't read recipient certificate file %s\n", recipfile); ERR_print_errors(bio_err); goto end; } } if(operation == SMIME_DECRYPT) { if(!keyfile) keyfile = recipfile; } else if(operation == SMIME_SIGN) { if(!keyfile) keyfile = signerfile; } else keyfile = NULL; if(keyfile) { if(!(key = load_key(keyfile))) { BIO_printf(bio_err, "Can't read recipient certificate file %s\n", keyfile); ERR_print_errors(bio_err); goto end; } } if (infile) { if (!(in = BIO_new_file(infile, inmode))) { BIO_printf (bio_err, "Can't open input file %s\n", infile); goto end; } } else in = BIO_new_fp(stdin, BIO_NOCLOSE); if (outfile) { if (!(out = BIO_new_file(outfile, outmode))) { BIO_printf (bio_err, "Can't open output file %s\n", outfile); goto end; } } else out = BIO_new_fp(stdout, BIO_NOCLOSE); if(operation == SMIME_VERIFY) if(!(store = setup_verify(CAfile, CApath))) goto end; ret = 3; if(operation == SMIME_ENCRYPT) { p7 = PKCS7_encrypt(encerts, in, cipher, flags); } else if(operation == SMIME_SIGN) { p7 = PKCS7_sign(signer, key, other, in, flags); BIO_reset(in); } else { if(!(p7 = SMIME_read_PKCS7(in, &indata))) { BIO_printf(bio_err, "Error reading S/MIME message\n"); ret = 4; goto end; } } if(!p7) { BIO_printf(bio_err, "Error creating PKCS#7 structure\n"); goto end; } if(operation == SMIME_DECRYPT) { if(!PKCS7_decrypt(p7, key, recip, out, flags)) BIO_printf(bio_err, "Error decrypting PKCS#7 structure\n"); else ret = 0; } else if(operation == SMIME_VERIFY) { if(PKCS7_verify(p7, other, store, indata, out, flags)) { BIO_printf(bio_err, "Verification Successful\n"); ret = 0; } else { BIO_printf(bio_err, "Verification Failure\n"); ret = 5; } } else if(operation == SMIME_PK7OUT) { PEM_write_bio_PKCS7(out, p7); } else { if(to) BIO_printf(out, "To: %s\n", to); if(from) BIO_printf(out, "From: %s\n", from); if(subject) BIO_printf(out, "Subject: %s\n", subject); SMIME_write_PKCS7(out, p7, in, flags); } end: if(ret) ERR_print_errors(bio_err); sk_X509_pop_free(encerts, X509_free); sk_X509_pop_free(other, X509_free); X509_STORE_free(store); X509_free(cert); X509_free(recip); X509_free(signer); EVP_PKEY_free(key); PKCS7_free(p7); BIO_free(in); BIO_free(indata); BIO_free(out); return (ret); } static X509 *load_cert(char *file) { BIO *in; X509 *cert; if(!(in = BIO_new_file(file, "r"))) return NULL; cert = PEM_read_bio_X509(in, NULL, NULL,NULL); BIO_free(in); return cert; } static EVP_PKEY *load_key(char *file) { BIO *in; EVP_PKEY *key; if(!(in = BIO_new_file(file, "r"))) return NULL; key = PEM_read_bio_PrivateKey(in, NULL, NULL,NULL); BIO_free(in); return key; } static STACK_OF(X509) *load_certs(char *file) { BIO *in; int i; STACK_OF(X509) *othercerts; STACK_OF(X509_INFO) *allcerts; X509_INFO *xi; if(!(in = BIO_new_file(file, "r"))) return NULL; othercerts = sk_X509_new(NULL); if(!othercerts) return NULL; allcerts = PEM_X509_INFO_read_bio(in, NULL, NULL, NULL); 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; } } sk_X509_INFO_pop_free(allcerts, X509_INFO_free); BIO_free(in); return othercerts; } static X509_STORE *setup_verify(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(bio_err, "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(bio_err, "Error loading directory %s\n", CApath); goto end; } } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT); ERR_clear_error(); return store; end: X509_STORE_free(store); return NULL; } Loading
CHANGES +8 −0 Original line number Diff line number Diff line Loading @@ -4,6 +4,14 @@ Changes between 0.9.4 and 0.9.5 [xx XXX 1999] *) Merge in my S/MIME library for OpenSSL. This provides a simple S/MIME API on top of the PKCS#7 code, a MIME parser (with enough functionality to handle multipart/signed properly) and a utility called 'smime' to call all this stuff. This is based on code I originally wrote for Celo who have kindly allowed it to be included in OpenSSL. [Steve Henson] *) Add variants des_set_key_checked and des_set_key_unchecked of des_set_key (aka des_key_sched). Global variable des_check_key decides which of these is called by des_set_key; this way Loading
STATUS +2 −3 Original line number Diff line number Diff line OpenSSL STATUS Last modified at ______________ $Date: 1999/11/11 13:58:22 $ ______________ $Date: 1999/12/05 00:40:53 $ DEVELOPMENT STATE Loading @@ -18,7 +18,6 @@ o shared libraries <behnke@trustcenter.de> o getenv in ca.c and x509_def.c (jaltman@watsun.cc.columbia.edu) o SMIME tool (demo), Sampo Kellomaki <sampo@iki.fi> o OCSP patch, Massimiliano Pala (madwolf@openca.org) o CA.pl patch (Damien Miller) o FreeBSD 3.0 changes (Richard Levitte) Loading @@ -27,7 +26,7 @@ o Steve is currently working on (in no particular order): Proper (or at least usable) certificate chain verification. Private key, certificate and CRL API and implementation. Checking and bugfixing PKCS#7 (S/MIME code). Developing and bugfixing PKCS#7 (S/MIME code). Various X509 issues: character sets, certificate request extensions. Documentation for the openssl utility. Loading
apps/Makefile.ssl +3 −3 Original line number Diff line number Diff line Loading @@ -38,7 +38,7 @@ E_EXE= verify asn1pars req dgst dh enc gendh errstr ca crl \ rsa dsa dsaparam \ x509 genrsa gendsa s_server s_client speed \ s_time version pkcs7 crl2pkcs7 sess_id ciphers nseq pkcs12 \ pkcs8 spkac pkcs8 spkac smime PROGS= $(PROGRAM).c Loading @@ -54,7 +54,7 @@ E_OBJ= verify.o asn1pars.o req.o dgst.o dh.o enc.o gendh.o errstr.o ca.o \ rsa.o dsa.o dsaparam.o \ x509.o genrsa.o gendsa.o s_server.o s_client.o speed.o \ s_time.o $(A_OBJ) $(S_OBJ) $(RAND_OBJ) version.o sess_id.o \ ciphers.o nseq.o pkcs12.o pkcs8.o spkac.o ciphers.o nseq.o pkcs12.o pkcs8.o spkac.o smime.o # pem_mail.o Loading @@ -63,7 +63,7 @@ E_SRC= verify.c asn1pars.c req.c dgst.c dh.c enc.c gendh.c errstr.c ca.c \ rsa.c dsa.c dsaparam.c \ x509.c genrsa.c gendsa.c s_server.c s_client.c speed.c \ s_time.c $(A_SRC) $(S_SRC) $(RAND_SRC) version.c sess_id.c \ ciphers.c nseq.c pkcs12.c pkcs8.c spkac.c ciphers.c nseq.c pkcs12.c pkcs8.c spkac.c smime.c # pem_mail.c Loading
apps/progs.h +2 −0 Original line number Diff line number Diff line Loading @@ -29,6 +29,7 @@ extern int nseq_main(int argc,char *argv[]); extern int pkcs12_main(int argc,char *argv[]); extern int pkcs8_main(int argc,char *argv[]); extern int spkac_main(int argc,char *argv[]); extern int smime_main(int argc,char *argv[]); #ifdef SSLEAY_SRC /* Defined only in openssl.c. */ Loading Loading @@ -96,6 +97,7 @@ FUNCTION functions[] = { #endif {FUNC_TYPE_GENERAL,"pkcs8",pkcs8_main}, {FUNC_TYPE_GENERAL,"spkac",spkac_main}, {FUNC_TYPE_GENERAL,"smime",smime_main}, {FUNC_TYPE_MD,"md2",dgst_main}, {FUNC_TYPE_MD,"md5",dgst_main}, {FUNC_TYPE_MD,"sha",dgst_main}, Loading
apps/smime.c 0 → 100644 +446 −0 Original line number Diff line number Diff line /* smime.c */ /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL * project 1999. */ /* ==================================================================== * Copyright (c) 1999 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 * licensing@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). * */ /* S/MIME utility function */ #include <stdio.h> #include <string.h> #include <openssl/pem.h> #include <openssl/err.h> #include "apps.h" #undef PROG #define PROG smime_main static X509 *load_cert(char *file); static EVP_PKEY *load_key(char *file); static STACK_OF(X509) *load_certs(char *file); static X509_STORE *setup_verify(char *CAfile, char *CApath); #define SMIME_OP 0x10 #define SMIME_ENCRYPT (1 | SMIME_OP) #define SMIME_DECRYPT 2 #define SMIME_SIGN (3 | SMIME_OP) #define SMIME_VERIFY 4 #define SMIME_PK7OUT 5 int MAIN(int argc, char **argv) { int operation = 0; int ret = 0; char **args; char *inmode = "r", *outmode = "w"; char *infile = NULL, *outfile = NULL; char *signerfile = NULL, *recipfile = NULL; char *certfile = NULL, *keyfile = NULL; EVP_CIPHER *cipher = NULL; PKCS7 *p7 = NULL; X509_STORE *store = NULL; X509 *cert = NULL, *recip = NULL, *signer = NULL; EVP_PKEY *key = NULL; STACK_OF(X509) *encerts = NULL, *other = NULL; BIO *in = NULL, *out = NULL, *indata = NULL; int badarg = 0; int flags = PKCS7_DETACHED; char *to = NULL, *from = NULL, *subject = NULL; char *CAfile = NULL, *CApath = NULL; args = argv + 1; ret = 1; while (!badarg && *args && *args[0] == '-') { if (!strcmp (*args, "-encrypt")) operation = SMIME_ENCRYPT; else if (!strcmp (*args, "-decrypt")) operation = SMIME_DECRYPT; else if (!strcmp (*args, "-sign")) operation = SMIME_SIGN; else if (!strcmp (*args, "-verify")) operation = SMIME_VERIFY; else if (!strcmp (*args, "-pk7out")) operation = SMIME_PK7OUT; else if (!strcmp (*args, "-des3")) cipher = EVP_des_ede3_cbc(); else if (!strcmp (*args, "-des")) cipher = EVP_des_cbc(); else if (!strcmp (*args, "-rc2-40")) cipher = EVP_rc2_40_cbc(); else if (!strcmp (*args, "-rc2-128")) cipher = EVP_rc2_cbc(); else if (!strcmp (*args, "-rc2-64")) cipher = EVP_rc2_64_cbc(); else if (!strcmp (*args, "-text")) flags |= PKCS7_TEXT; else if (!strcmp (*args, "-nointern")) flags |= PKCS7_NOINTERN; else if (!strcmp (*args, "-noverify")) flags |= PKCS7_NOVERIFY; else if (!strcmp (*args, "-nochain")) flags |= PKCS7_NOCHAIN; else if (!strcmp (*args, "-nocerts")) flags |= PKCS7_NOCERTS; else if (!strcmp (*args, "-noattr")) flags |= PKCS7_NOATTR; else if (!strcmp (*args, "-nodetach")) flags &= ~PKCS7_DETACHED; else if (!strcmp (*args, "-binary")) flags |= PKCS7_BINARY; else if (!strcmp (*args, "-to")) { if (args[1]) { args++; to = *args; } else badarg = 1; } else if (!strcmp (*args, "-from")) { if (args[1]) { args++; from = *args; } else badarg = 1; } else if (!strcmp (*args, "-subject")) { if (args[1]) { args++; subject = *args; } else badarg = 1; } else if (!strcmp (*args, "-signer")) { if (args[1]) { args++; signerfile = *args; } else badarg = 1; } else if (!strcmp (*args, "-recip")) { if (args[1]) { args++; recipfile = *args; } else badarg = 1; } else if (!strcmp (*args, "-inkey")) { if (args[1]) { args++; keyfile = *args; } else badarg = 1; } else if (!strcmp (*args, "-certfile")) { if (args[1]) { args++; certfile = *args; } else badarg = 1; } else if (!strcmp (*args, "-CAfile")) { if (args[1]) { args++; CAfile = *args; } else badarg = 1; } else if (!strcmp (*args, "-CApath")) { if (args[1]) { args++; CApath = *args; } else badarg = 1; } else if (!strcmp (*args, "-in")) { if (args[1]) { args++; infile = *args; } else badarg = 1; } else if (!strcmp (*args, "-out")) { if (args[1]) { args++; outfile = *args; } else badarg = 1; } else badarg = 1; args++; } if(operation == SMIME_SIGN) { if(!signerfile) { BIO_printf(bio_err, "No signer certificate specified\n"); badarg = 1; } } else if(operation == SMIME_DECRYPT) { if(!recipfile) { BIO_printf(bio_err, "No recipient certificate and key specified\n"); badarg = 1; } } else if(operation == SMIME_ENCRYPT) { if(!*args) { BIO_printf(bio_err, "No recipient(s) certificate(s) specified\n"); badarg = 1; } } else if(!operation) badarg = 1; if (badarg) { BIO_printf (bio_err, "Usage smime [options] cert.pem ...\n"); BIO_printf (bio_err, "where options are\n"); BIO_printf (bio_err, "-encrypt encrypt message\n"); BIO_printf (bio_err, "-decrypt decrypt encrypted message\n"); BIO_printf (bio_err, "-sign sign message\n"); BIO_printf (bio_err, "-verify verify signed message\n"); BIO_printf (bio_err, "-pk7out output PKCS#7 structure\n"); BIO_printf (bio_err, "-des3 encrypt with triple DES\n"); BIO_printf (bio_err, "-rc2-40 encrypt with RC2-40\n"); BIO_printf (bio_err, "-rc2-64 encrypt with RC2-64\n"); BIO_printf (bio_err, "-rc2-128 encrypt with RC2-128\n"); BIO_printf (bio_err, "-in file input file\n"); BIO_printf (bio_err, "-certfile file other certificates file\n"); BIO_printf (bio_err, "-signer file signer certificate file\n"); BIO_printf (bio_err, "-recip file recipient certificate file\n"); BIO_printf (bio_err, "-in file input file\n"); BIO_printf (bio_err, "-inkey file input private key (if not signer or recipient)\n"); BIO_printf (bio_err, "-out file output file\n"); BIO_printf (bio_err, "-to addr to address\n"); BIO_printf (bio_err, "-from ad from address\n"); BIO_printf (bio_err, "-subject s subject\n"); BIO_printf (bio_err, "-text include or delete text MIME headers\n"); BIO_printf (bio_err, "cert.pem recipient certificate(s)\n"); goto end; } ret = 2; if(operation != SMIME_SIGN) flags &= ~PKCS7_DETACHED; if(flags & PKCS7_BINARY) { if(operation & SMIME_OP) inmode = "rb"; else outmode = "rb"; } if(operation == SMIME_ENCRYPT) { if (!cipher) cipher = EVP_rc2_40_cbc(); while (*args) { encerts = sk_X509_new_null(); if(!(cert = load_cert(*args))) { BIO_printf(bio_err, "Can't read recipent certificate file %s\n", *args); goto end; } sk_X509_push (encerts, cert); cert = NULL; args++; } } if(signerfile) { if(!(signer = load_cert(signerfile))) { BIO_printf(bio_err, "Can't read signer certificate file %s\n", signerfile); goto end; } } if(certfile) { if(!(other = load_certs(certfile))) { BIO_printf(bio_err, "Can't read certificate file %s\n", certfile); ERR_print_errors(bio_err); goto end; } } if(recipfile) { if(!(recip = load_cert(recipfile))) { BIO_printf(bio_err, "Can't read recipient certificate file %s\n", recipfile); ERR_print_errors(bio_err); goto end; } } if(operation == SMIME_DECRYPT) { if(!keyfile) keyfile = recipfile; } else if(operation == SMIME_SIGN) { if(!keyfile) keyfile = signerfile; } else keyfile = NULL; if(keyfile) { if(!(key = load_key(keyfile))) { BIO_printf(bio_err, "Can't read recipient certificate file %s\n", keyfile); ERR_print_errors(bio_err); goto end; } } if (infile) { if (!(in = BIO_new_file(infile, inmode))) { BIO_printf (bio_err, "Can't open input file %s\n", infile); goto end; } } else in = BIO_new_fp(stdin, BIO_NOCLOSE); if (outfile) { if (!(out = BIO_new_file(outfile, outmode))) { BIO_printf (bio_err, "Can't open output file %s\n", outfile); goto end; } } else out = BIO_new_fp(stdout, BIO_NOCLOSE); if(operation == SMIME_VERIFY) if(!(store = setup_verify(CAfile, CApath))) goto end; ret = 3; if(operation == SMIME_ENCRYPT) { p7 = PKCS7_encrypt(encerts, in, cipher, flags); } else if(operation == SMIME_SIGN) { p7 = PKCS7_sign(signer, key, other, in, flags); BIO_reset(in); } else { if(!(p7 = SMIME_read_PKCS7(in, &indata))) { BIO_printf(bio_err, "Error reading S/MIME message\n"); ret = 4; goto end; } } if(!p7) { BIO_printf(bio_err, "Error creating PKCS#7 structure\n"); goto end; } if(operation == SMIME_DECRYPT) { if(!PKCS7_decrypt(p7, key, recip, out, flags)) BIO_printf(bio_err, "Error decrypting PKCS#7 structure\n"); else ret = 0; } else if(operation == SMIME_VERIFY) { if(PKCS7_verify(p7, other, store, indata, out, flags)) { BIO_printf(bio_err, "Verification Successful\n"); ret = 0; } else { BIO_printf(bio_err, "Verification Failure\n"); ret = 5; } } else if(operation == SMIME_PK7OUT) { PEM_write_bio_PKCS7(out, p7); } else { if(to) BIO_printf(out, "To: %s\n", to); if(from) BIO_printf(out, "From: %s\n", from); if(subject) BIO_printf(out, "Subject: %s\n", subject); SMIME_write_PKCS7(out, p7, in, flags); } end: if(ret) ERR_print_errors(bio_err); sk_X509_pop_free(encerts, X509_free); sk_X509_pop_free(other, X509_free); X509_STORE_free(store); X509_free(cert); X509_free(recip); X509_free(signer); EVP_PKEY_free(key); PKCS7_free(p7); BIO_free(in); BIO_free(indata); BIO_free(out); return (ret); } static X509 *load_cert(char *file) { BIO *in; X509 *cert; if(!(in = BIO_new_file(file, "r"))) return NULL; cert = PEM_read_bio_X509(in, NULL, NULL,NULL); BIO_free(in); return cert; } static EVP_PKEY *load_key(char *file) { BIO *in; EVP_PKEY *key; if(!(in = BIO_new_file(file, "r"))) return NULL; key = PEM_read_bio_PrivateKey(in, NULL, NULL,NULL); BIO_free(in); return key; } static STACK_OF(X509) *load_certs(char *file) { BIO *in; int i; STACK_OF(X509) *othercerts; STACK_OF(X509_INFO) *allcerts; X509_INFO *xi; if(!(in = BIO_new_file(file, "r"))) return NULL; othercerts = sk_X509_new(NULL); if(!othercerts) return NULL; allcerts = PEM_X509_INFO_read_bio(in, NULL, NULL, NULL); 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; } } sk_X509_INFO_pop_free(allcerts, X509_INFO_free); BIO_free(in); return othercerts; } static X509_STORE *setup_verify(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(bio_err, "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(bio_err, "Error loading directory %s\n", CApath); goto end; } } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT); ERR_clear_error(); return store; end: X509_STORE_free(store); return NULL; }
