/* smime.c */
/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
- * project 1999.
+ * project.
*/
/* ====================================================================
- * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
+ * Copyright (c) 1999-2003 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
#undef PROG
#define PROG smime_main
-static X509 *load_cert(char *file);
-static EVP_PKEY *load_key(char *file, char *pass);
-static STACK_OF(X509) *load_certs(char *file);
-static X509_STORE *setup_verify(char *CAfile, char *CApath);
static int save_certs(char *signerfile, STACK_OF(X509) *signers);
#define SMIME_OP 0x10
int MAIN(int argc, char **argv)
{
+ ENGINE *e = NULL;
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;
+ char *certfile = NULL, *keyfile = NULL, *contfile=NULL;
+ const EVP_CIPHER *cipher = NULL;
PKCS7 *p7 = NULL;
X509_STORE *store = NULL;
X509 *cert = NULL, *recip = NULL, *signer = NULL;
STACK_OF(X509) *encerts = NULL, *other = NULL;
BIO *in = NULL, *out = NULL, *indata = NULL;
int badarg = 0;
- int flags = PKCS7_DETACHED;
+ int flags = PKCS7_DETACHED, store_flags = 0;
char *to = NULL, *from = NULL, *subject = NULL;
char *CAfile = NULL, *CApath = NULL;
char *passargin = NULL, *passin = NULL;
char *inrand = NULL;
int need_rand = 0;
- args = argv + 1;
+ int informat = FORMAT_SMIME, outformat = FORMAT_SMIME;
+ int keyform = FORMAT_PEM;
+#ifndef OPENSSL_NO_ENGINE
+ char *engine=NULL;
+#endif
+ args = argv + 1;
ret = 1;
+ apps_startup();
+
+ if (bio_err == NULL)
+ if ((bio_err = BIO_new(BIO_s_file())) != NULL)
+ BIO_set_fp(bio_err, stderr, BIO_NOCLOSE|BIO_FP_TEXT);
+
+ if (!load_config(bio_err, NULL))
+ goto end;
+
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;
-#ifndef NO_DES
+#ifndef OPENSSL_NO_DES
else if (!strcmp (*args, "-des3"))
cipher = EVP_des_ede3_cbc();
else if (!strcmp (*args, "-des"))
cipher = EVP_des_cbc();
#endif
-#ifndef NO_RC2
+#ifndef OPENSSL_NO_RC2
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();
+#endif
+#ifndef OPENSSL_NO_AES
+ else if (!strcmp(*args,"-aes128"))
+ cipher = EVP_aes_128_cbc();
+ else if (!strcmp(*args,"-aes192"))
+ cipher = EVP_aes_192_cbc();
+ else if (!strcmp(*args,"-aes256"))
+ cipher = EVP_aes_256_cbc();
#endif
else if (!strcmp (*args, "-text"))
flags |= PKCS7_TEXT;
flags |= PKCS7_NOATTR;
else if (!strcmp (*args, "-nodetach"))
flags &= ~PKCS7_DETACHED;
+ else if (!strcmp (*args, "-nosmimecap"))
+ flags |= PKCS7_NOSMIMECAP;
else if (!strcmp (*args, "-binary"))
flags |= PKCS7_BINARY;
else if (!strcmp (*args, "-nosigs"))
flags |= PKCS7_NOSIGS;
+ else if (!strcmp (*args, "-nooldmime"))
+ flags |= PKCS7_NOOLDMIMETYPE;
+ else if (!strcmp (*args, "-crlfeol"))
+ flags |= PKCS7_CRLFEOL;
+ else if (!strcmp (*args, "-crl_check"))
+ store_flags |= X509_V_FLAG_CRL_CHECK;
+ else if (!strcmp (*args, "-crl_check_all"))
+ store_flags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
else if (!strcmp(*args,"-rand")) {
if (args[1]) {
args++;
inrand = *args;
} else badarg = 1;
need_rand = 1;
+#ifndef OPENSSL_NO_ENGINE
+ } else if (!strcmp(*args,"-engine")) {
+ if (args[1]) {
+ args++;
+ engine = *args;
+ } else badarg = 1;
+#endif
} else if (!strcmp(*args,"-passin")) {
if (args[1]) {
args++;
args++;
keyfile = *args;
} else badarg = 1;
+ } else if (!strcmp (*args, "-keyform")) {
+ if (args[1]) {
+ args++;
+ keyform = str2fmt(*args);
+ } else badarg = 1;
} else if (!strcmp (*args, "-certfile")) {
if (args[1]) {
args++;
args++;
infile = *args;
} else badarg = 1;
+ } else if (!strcmp (*args, "-inform")) {
+ if (args[1]) {
+ args++;
+ informat = str2fmt(*args);
+ } else badarg = 1;
+ } else if (!strcmp (*args, "-outform")) {
+ if (args[1]) {
+ args++;
+ outformat = str2fmt(*args);
+ } else badarg = 1;
} else if (!strcmp (*args, "-out")) {
if (args[1]) {
args++;
outfile = *args;
} else badarg = 1;
+ } else if (!strcmp (*args, "-content")) {
+ if (args[1]) {
+ args++;
+ contfile = *args;
+ } else badarg = 1;
} else badarg = 1;
args++;
}
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");
-#ifndef NO_DES
+#ifndef OPENSSL_NO_DES
BIO_printf (bio_err, "-des3 encrypt with triple DES\n");
BIO_printf (bio_err, "-des encrypt with DES\n");
#endif
-#ifndef NO_RC2
+#ifndef OPENSSL_NO_RC2
BIO_printf (bio_err, "-rc2-40 encrypt with RC2-40 (default)\n");
BIO_printf (bio_err, "-rc2-64 encrypt with RC2-64\n");
BIO_printf (bio_err, "-rc2-128 encrypt with RC2-128\n");
+#endif
+#ifndef OPENSSL_NO_AES
+ BIO_printf (bio_err, "-aes128, -aes192, -aes256\n");
+ BIO_printf (bio_err, " encrypt PEM output with cbc aes\n");
#endif
BIO_printf (bio_err, "-nointern don't search certificates in message for signer\n");
BIO_printf (bio_err, "-nosigs don't verify message signature\n");
BIO_printf (bio_err, "-signer file signer certificate file\n");
BIO_printf (bio_err, "-recip file recipient certificate file for decryption\n");
BIO_printf (bio_err, "-in file input file\n");
+ BIO_printf (bio_err, "-inform arg input format SMIME (default), PEM or DER\n");
BIO_printf (bio_err, "-inkey file input private key (if not signer or recipient)\n");
+ BIO_printf (bio_err, "-keyform arg input private key format (PEM or ENGINE)\n");
BIO_printf (bio_err, "-out file output file\n");
+ BIO_printf (bio_err, "-outform arg output format SMIME (default), PEM or DER\n");
+ BIO_printf (bio_err, "-content file supply or override content for detached signature\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, "-CApath dir trusted certificates directory\n");
BIO_printf (bio_err, "-CAfile file trusted certificates file\n");
- BIO_printf(bio_err, "-rand file:file:...\n");
+ BIO_printf (bio_err, "-crl_check check revocation status of signer's certificate using CRLs\n");
+ BIO_printf (bio_err, "-crl_check_all check revocation status of signer's certificate chain using CRLs\n");
+#ifndef OPENSSL_NO_ENGINE
+ BIO_printf (bio_err, "-engine e use engine e, possibly a hardware device.\n");
+#endif
+ BIO_printf (bio_err, "-passin arg input file pass phrase source\n");
+ BIO_printf(bio_err, "-rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
BIO_printf(bio_err, " load the file (or the files in the directory) into\n");
BIO_printf(bio_err, " the random number generator\n");
BIO_printf (bio_err, "cert.pem recipient certificate(s) for encryption\n");
goto end;
}
+#ifndef OPENSSL_NO_ENGINE
+ e = setup_engine(bio_err, engine, 0);
+#endif
+
if(!app_passwd(bio_err, passargin, NULL, &passin, NULL)) {
BIO_printf(bio_err, "Error getting password\n");
goto end;
if(operation != SMIME_SIGN) flags &= ~PKCS7_DETACHED;
- if(flags & PKCS7_BINARY) {
- if(operation & SMIME_OP) inmode = "rb";
- else outmode = "rb";
+ if(operation & SMIME_OP) {
+ if(flags & PKCS7_BINARY) inmode = "rb";
+ if(outformat == FORMAT_ASN1) outmode = "wb";
+ } else {
+ if(flags & PKCS7_BINARY) outmode = "wb";
+ if(informat == FORMAT_ASN1) inmode = "rb";
}
if(operation == SMIME_ENCRYPT) {
if (!cipher) {
-#ifndef NO_RC2
+#ifndef OPENSSL_NO_RC2
cipher = EVP_rc2_40_cbc();
#else
BIO_printf(bio_err, "No cipher selected\n");
goto end;
#endif
}
-#ifdef CRYPTO_MDEBUG
- CRYPTO_push_info("load encryption certificates");
-#endif
encerts = sk_X509_new_null();
while (*args) {
- if(!(cert = load_cert(*args))) {
+ if(!(cert = load_cert(bio_err,*args,FORMAT_PEM,
+ NULL, e, "recipient certificate file"))) {
+#if 0 /* An appropriate message is already printed */
BIO_printf(bio_err, "Can't read recipient certificate file %s\n", *args);
+#endif
goto end;
}
sk_X509_push(encerts, cert);
cert = NULL;
args++;
}
-#ifdef CRYPTO_MDEBUG
- CRYPTO_pop_info();
-#endif
}
if(signerfile && (operation == SMIME_SIGN)) {
-#ifdef CRYPTO_MDEBUG
- CRYPTO_push_info("load signer certificate");
-#endif
- if(!(signer = load_cert(signerfile))) {
+ if(!(signer = load_cert(bio_err,signerfile,FORMAT_PEM, NULL,
+ e, "signer certificate"))) {
+#if 0 /* An appropri message has already been printed */
BIO_printf(bio_err, "Can't read signer certificate file %s\n", signerfile);
+#endif
goto end;
}
-#ifdef CRYPTO_MDEBUG
- CRYPTO_pop_info();
-#endif
}
if(certfile) {
-#ifdef CRYPTO_MDEBUG
- CRYPTO_push_info("load other certfiles");
-#endif
- if(!(other = load_certs(certfile))) {
+ if(!(other = load_certs(bio_err,certfile,FORMAT_PEM, NULL,
+ e, "certificate file"))) {
+#if 0 /* An appropriate message has already been printed */
BIO_printf(bio_err, "Can't read certificate file %s\n", certfile);
+#endif
ERR_print_errors(bio_err);
goto end;
}
-#ifdef CRYPTO_MDEBUG
- CRYPTO_pop_info();
-#endif
}
if(recipfile && (operation == SMIME_DECRYPT)) {
-#ifdef CRYPTO_MDEBUG
- CRYPTO_push_info("load recipient certificate");
-#endif
- if(!(recip = load_cert(recipfile))) {
+ if(!(recip = load_cert(bio_err,recipfile,FORMAT_PEM,NULL,
+ e, "recipient certificate file"))) {
+#if 0 /* An appropriate message has alrady been printed */
BIO_printf(bio_err, "Can't read recipient certificate file %s\n", recipfile);
+#endif
ERR_print_errors(bio_err);
goto end;
}
-#ifdef CRYPTO_MDEBUG
- CRYPTO_pop_info();
-#endif
}
if(operation == SMIME_DECRYPT) {
} else keyfile = NULL;
if(keyfile) {
-#ifdef CRYPTO_MDEBUG
- CRYPTO_push_info("load keyfile");
-#endif
- if(!(key = load_key(keyfile, passin))) {
- BIO_printf(bio_err, "Can't read recipient certificate file %s\n", keyfile);
- ERR_print_errors(bio_err);
+ key = load_key(bio_err, keyfile, keyform, 0, passin, e,
+ "signing key file");
+ if (!key) {
goto end;
- }
-#ifdef CRYPTO_MDEBUG
- CRYPTO_pop_info();
-#endif
+ }
}
-#ifdef CRYPTO_MDEBUG
- CRYPTO_push_info("open input files");
-#endif
if (infile) {
if (!(in = BIO_new_file(infile, inmode))) {
BIO_printf (bio_err,
goto end;
}
} else in = BIO_new_fp(stdin, BIO_NOCLOSE);
-#ifdef CRYPTO_MDEBUG
- CRYPTO_pop_info();
-#endif
-#ifdef CRYPTO_MDEBUG
- CRYPTO_push_info("open output files");
-#endif
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);
-#ifdef CRYPTO_MDEBUG
- CRYPTO_pop_info();
-#endif
+ } else {
+ out = BIO_new_fp(stdout, BIO_NOCLOSE);
+#ifdef OPENSSL_SYS_VMS
+ {
+ BIO *tmpbio = BIO_new(BIO_f_linebuffer());
+ out = BIO_push(tmpbio, out);
+ }
+#endif
+ }
if(operation == SMIME_VERIFY) {
-#ifdef CRYPTO_MDEBUG
- CRYPTO_push_info("setup_verify");
-#endif
- if(!(store = setup_verify(CAfile, CApath))) goto end;
-#ifdef CRYPTO_MDEBUG
- CRYPTO_pop_info();
-#endif
+ if(!(store = setup_verify(bio_err, CAfile, CApath))) goto end;
+ X509_STORE_set_flags(store, store_flags);
}
+
ret = 3;
if(operation == SMIME_ENCRYPT) {
-#ifdef CRYPTO_MDEBUG
- CRYPTO_push_info("PKCS7_encrypt");
-#endif
p7 = PKCS7_encrypt(encerts, in, cipher, flags);
-#ifdef CRYPTO_MDEBUG
- CRYPTO_pop_info();
-#endif
} else if(operation == SMIME_SIGN) {
-#ifdef CRYPTO_MDEBUG
- CRYPTO_push_info("PKCS7_sign");
-#endif
+ /* If detached data and SMIME output enable partial
+ * signing.
+ */
+ if ((flags & PKCS7_DETACHED) && (outformat == FORMAT_SMIME))
+ flags |= PKCS7_STREAM;
p7 = PKCS7_sign(signer, key, other, in, flags);
- BIO_reset(in);
-#ifdef CRYPTO_MDEBUG
- CRYPTO_pop_info();
-#endif
+ /* Don't need to rewind for partial signing */
+ if (!(flags & PKCS7_STREAM) && (BIO_reset(in) != 0)) {
+ BIO_printf(bio_err, "Can't rewind input file\n");
+ goto end;
+ }
} else {
-#ifdef CRYPTO_MDEBUG
- CRYPTO_push_info("SMIME_read_PKCS7");
-#endif
- if(!(p7 = SMIME_read_PKCS7(in, &indata))) {
+ if(informat == FORMAT_SMIME)
+ p7 = SMIME_read_PKCS7(in, &indata);
+ else if(informat == FORMAT_PEM)
+ p7 = PEM_read_bio_PKCS7(in, NULL, NULL, NULL);
+ else if(informat == FORMAT_ASN1)
+ p7 = d2i_PKCS7_bio(in, NULL);
+ else {
+ BIO_printf(bio_err, "Bad input format for PKCS#7 file\n");
+ goto end;
+ }
+
+ if(!p7) {
BIO_printf(bio_err, "Error reading S/MIME message\n");
goto end;
}
-#ifdef CRYPTO_MDEBUG
- CRYPTO_pop_info();
-#endif
+ if(contfile) {
+ BIO_free(indata);
+ if(!(indata = BIO_new_file(contfile, "rb"))) {
+ BIO_printf(bio_err, "Can't read content file %s\n", contfile);
+ goto end;
+ }
+ }
}
if(!p7) {
ret = 4;
if(operation == SMIME_DECRYPT) {
-#ifdef CRYPTO_MDEBUG
- CRYPTO_push_info("PKCS7_decrypt");
-#endif
if(!PKCS7_decrypt(p7, key, recip, out, flags)) {
BIO_printf(bio_err, "Error decrypting PKCS#7 structure\n");
goto end;
}
-#ifdef CRYPTO_MDEBUG
- CRYPTO_pop_info();
-#endif
} else if(operation == SMIME_VERIFY) {
STACK_OF(X509) *signers;
-#ifdef CRYPTO_MDEBUG
- CRYPTO_push_info("PKCS7_verify");
-#endif
if(PKCS7_verify(p7, other, store, indata, out, flags)) {
- BIO_printf(bio_err, "Verification Successful\n");
+ BIO_printf(bio_err, "Verification successful\n");
} else {
- BIO_printf(bio_err, "Verification Failure\n");
+ BIO_printf(bio_err, "Verification failure\n");
goto end;
}
-#ifdef CRYPTO_MDEBUG
- CRYPTO_pop_info();
- CRYPTO_push_info("PKCS7_iget_signers");
-#endif
- signers = PKCS7_iget_signers(p7, other, flags);
-#ifdef CRYPTO_MDEBUG
- CRYPTO_pop_info();
- CRYPTO_push_info("save_certs");
-#endif
+ signers = PKCS7_get0_signers(p7, other, flags);
if(!save_certs(signerfile, signers)) {
BIO_printf(bio_err, "Error writing signers to %s\n",
signerfile);
ret = 5;
goto end;
}
-#ifdef CRYPTO_MDEBUG
- CRYPTO_pop_info();
-#endif
sk_X509_free(signers);
} else if(operation == SMIME_PK7OUT) {
PEM_write_bio_PKCS7(out, p7);
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);
+ if(outformat == FORMAT_SMIME)
+ SMIME_write_PKCS7(out, p7, in, flags);
+ else if(outformat == FORMAT_PEM)
+ PEM_write_bio_PKCS7(out,p7);
+ else if(outformat == FORMAT_ASN1)
+ i2d_PKCS7_bio(out,p7);
+ else {
+ BIO_printf(bio_err, "Bad output format for PKCS#7 file\n");
+ goto end;
+ }
}
ret = 0;
end:
-#ifdef CRYPTO_MDEBUG
- CRYPTO_remove_all_info();
-#endif
if (need_rand)
app_RAND_write_file(NULL, bio_err);
if(ret) ERR_print_errors(bio_err);
PKCS7_free(p7);
BIO_free(in);
BIO_free(indata);
- BIO_free(out);
- if(passin) Free(passin);
+ BIO_free_all(out);
+ if(passin) OPENSSL_free(passin);
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, char *pass)
-{
- BIO *in;
- EVP_PKEY *key;
- if(!(in = BIO_new_file(file, "r"))) return NULL;
- key = PEM_read_bio_PrivateKey(in, NULL,NULL,pass);
- 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;
-#ifdef CRYPTO_MDEBUG
- CRYPTO_push_info("X509_STORE_new");
-#endif
- if(!(store = X509_STORE_new())) goto end;
-#ifdef CRYPTO_MDEBUG
- CRYPTO_pop_info();
- CRYPTO_push_info("X509_STORE_add_lookup(...file)");
-#endif
- lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file());
- if (lookup == NULL) goto end;
-#ifdef CRYPTO_MDEBUG
- CRYPTO_pop_info();
- CRYPTO_push_info("X509_LOOKUP_load_file");
-#endif
- 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);
-
-#ifdef CRYPTO_MDEBUG
- CRYPTO_pop_info();
- CRYPTO_push_info("X509_STORE_add_lookup(...hash_dir)");
-#endif
- lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir());
- if (lookup == NULL) goto end;
-#ifdef CRYPTO_MDEBUG
- CRYPTO_pop_info();
- CRYPTO_push_info("X509_LOOKUP_add_dir");
-#endif
- 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);
-#ifdef CRYPTO_MDEBUG
- CRYPTO_pop_info();
-#endif
-
- ERR_clear_error();
- return store;
- end:
- X509_STORE_free(store);
- return NULL;
-}
-
static int save_certs(char *signerfile, STACK_OF(X509) *signers)
{
int i;