#include <stdio.h>
#include <string.h>
+#include "apps.h"
+#include <openssl/crypto.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 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);
int badarg = 0;
int flags = PKCS7_DETACHED;
char *to = NULL, *from = NULL, *subject = NULL;
- char *CAfile = NULL, *CApath = NULL;
+ char *CAfile = NULL, *CApath = NULL, *passin = NULL;
args = argv + 1;
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
else if (!strcmp (*args, "-des3"))
cipher = EVP_des_ede3_cbc();
else if (!strcmp (*args, "-des"))
cipher = EVP_des_cbc();
+#endif
+#ifndef 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
else if (!strcmp (*args, "-text"))
flags |= PKCS7_TEXT;
else if (!strcmp (*args, "-nointern"))
flags |= PKCS7_BINARY;
else if (!strcmp (*args, "-nosigs"))
flags |= PKCS7_NOSIGS;
- else if (!strcmp (*args, "-to")) {
+ else if (!strcmp(*argv,"-passin")) {
+ if (--argc < 1) badarg = 1;
+ else passin= *(++argv);
+ } else if (!strcmp(*argv,"-envpassin")) {
+ if (--argc < 1) badarg = 1;
+ else if(!(passin= getenv(*(++argv)))) {
+ BIO_printf(bio_err,
+ "Can't read environment variable %s\n",
+ *argv);
+ badarg = 1;
+ }
+ } else if (!strcmp (*args, "-to")) {
if (args[1]) {
args++;
to = *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
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, "-des encrypt with DES\n");
+#endif
+#ifndef 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
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, "-noverify don't verify signers certificate\n");
BIO_printf (bio_err, "-nodetach use opaque signing\n");
BIO_printf (bio_err, "-noattr don't include any signed attributes\n");
BIO_printf (bio_err, "-binary don't translate message to text\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, "-recip file recipient certificate file for decryption\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, "-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, "cert.pem recipient certificate(s)\n");
+ BIO_printf (bio_err, "cert.pem recipient certificate(s) for encryption\n");
goto end;
}
}
if(operation == SMIME_ENCRYPT) {
- if (!cipher) cipher = EVP_rc2_40_cbc();
+ if (!cipher) {
+#ifndef 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))) {
- BIO_printf(bio_err, "Can't read recipent certificate file %s\n", *args);
+ BIO_printf(bio_err, "Can't read recipient certificate file %s\n", *args);
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))) {
BIO_printf(bio_err, "Can't read signer certificate file %s\n", signerfile);
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))) {
BIO_printf(bio_err, "Can't read certificate file %s\n", certfile);
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))) {
BIO_printf(bio_err, "Can't read recipient certificate file %s\n", recipfile);
ERR_print_errors(bio_err);
goto end;
}
+#ifdef CRYPTO_MDEBUG
+ CRYPTO_pop_info();
+#endif
}
if(operation == SMIME_DECRYPT) {
} else keyfile = NULL;
if(keyfile) {
- if(!(key = load_key(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);
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,
goto end;
}
} else out = BIO_new_fp(stdout, BIO_NOCLOSE);
-
- if(operation == SMIME_VERIFY)
+#ifdef CRYPTO_MDEBUG
+ CRYPTO_pop_info();
+#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
+ }
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
p7 = PKCS7_sign(signer, key, other, in, flags);
BIO_reset(in);
+#ifdef CRYPTO_MDEBUG
+ CRYPTO_pop_info();
+#endif
} else {
+#ifdef CRYPTO_MDEBUG
+ CRYPTO_push_info("SMIME_read_PKCS7");
+#endif
if(!(p7 = SMIME_read_PKCS7(in, &indata))) {
BIO_printf(bio_err, "Error reading S/MIME message\n");
goto end;
}
+#ifdef CRYPTO_MDEBUG
+ CRYPTO_pop_info();
+#endif
}
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");
} else {
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
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);
}
ret = 0;
end:
+#ifdef CRYPTO_MDEBUG
+ CRYPTO_remove_all_info();
+#endif
if(ret) ERR_print_errors(bio_err);
sk_X509_pop_free(encerts, X509_free);
sk_X509_pop_free(other, X509_free);
return cert;
}
-static EVP_PKEY *load_key(char *file)
+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,NULL);
+ key = PEM_read_bio_PrivateKey(in, NULL,PEM_cb,pass);
BIO_free(in);
return key;
}
{
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);
}
} 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;