X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=apps%2Fsmime.c;h=418e03cd66dbb5c7ac7e5a144ed5d6ca72ce9c54;hp=f3a1ad56b88e0b9fcd7ed0dbde1762cbf10d08ab;hb=beab098d5385850baa600d5788b2b8549f962c5e;hpb=20d242b0dee75830b104109c6fd5955a4ce35840 diff --git a/apps/smime.c b/apps/smime.c index f3a1ad56b8..418e03cd66 100644 --- a/apps/smime.c +++ b/apps/smime.c @@ -1,9 +1,9 @@ /* 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 @@ -63,12 +63,10 @@ #include "apps.h" #include #include -#include #include #undef PROG #define PROG smime_main -static X509_STORE *setup_verify(char *CAfile, char *CApath); static int save_certs(char *signerfile, STACK_OF(X509) *signers); #define SMIME_OP 0x10 @@ -82,14 +80,15 @@ int MAIN(int, char **); 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; @@ -97,35 +96,57 @@ int MAIN(int argc, char **argv) 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,*inegd=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; @@ -141,22 +162,33 @@ int MAIN(int argc, char **argv) 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; - } else if (!strcmp(*args,"-egd")) { +#ifndef OPENSSL_NO_ENGINE + } else if (!strcmp(*args,"-engine")) { if (args[1]) { args++; - inegd = *args; + engine = *args; } else badarg = 1; - need_rand = 1; +#endif } else if (!strcmp(*args,"-passin")) { if (args[1]) { args++; @@ -192,6 +224,11 @@ int MAIN(int argc, char **argv) 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++; @@ -212,11 +249,26 @@ int MAIN(int argc, char **argv) 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++; } @@ -248,14 +300,18 @@ int MAIN(int argc, char **argv) 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"); @@ -268,49 +324,62 @@ int MAIN(int argc, char **argv) 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, "-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, "-egd file load random seed from EGD socket\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 (need_rand) { - app_RAND_load_file(NULL, bio_err, (inrand != NULL || inegd != NULL)); + app_RAND_load_file(NULL, bio_err, (inrand != NULL)); if (inrand != NULL) BIO_printf(bio_err,"%ld semi-random bytes loaded\n", app_RAND_load_files(inrand)); - if (inegd != NULL) - BIO_printf(bio_err,"%ld egd bytes loaded\n", - RAND_egd(inegd)); } 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_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"); @@ -319,8 +388,11 @@ int MAIN(int argc, char **argv) } encerts = sk_X509_new_null(); while (*args) { - if(!(cert = load_cert(bio_err,*args,FORMAT_PEM))) { + 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); @@ -330,23 +402,32 @@ int MAIN(int argc, char **argv) } if(signerfile && (operation == SMIME_SIGN)) { - if(!(signer = load_cert(bio_err,signerfile,FORMAT_PEM))) { + 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; } } if(certfile) { - if(!(other = load_certs(bio_err,certfile,FORMAT_PEM))) { + 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; } } if(recipfile && (operation == SMIME_DECRYPT)) { - if(!(recip = load_cert(bio_err,recipfile,FORMAT_PEM))) { + 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; } @@ -359,11 +440,11 @@ int MAIN(int argc, char **argv) } else keyfile = NULL; if(keyfile) { - if(!(key = load_key(bio_err,keyfile, FORMAT_PEM, 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; - } + } } if (infile) { @@ -380,24 +461,61 @@ int MAIN(int argc, char **argv) "Can't open output file %s\n", outfile); goto end; } - } else out = BIO_new_fp(stdout, BIO_NOCLOSE); + } 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) { - if(!(store = setup_verify(CAfile, CApath))) goto end; + if(!(store = setup_verify(bio_err, CAfile, CApath))) goto end; + X509_STORE_set_flags(store, store_flags); } + ret = 3; if(operation == SMIME_ENCRYPT) { p7 = PKCS7_encrypt(encerts, in, cipher, flags); } else if(operation == SMIME_SIGN) { + /* 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); + /* 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 { - 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; } + 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) { @@ -414,9 +532,9 @@ int MAIN(int argc, char **argv) } else if(operation == SMIME_VERIFY) { STACK_OF(X509) *signers; 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; } signers = PKCS7_get0_signers(p7, other, flags); @@ -433,7 +551,16 @@ int MAIN(int argc, char **argv) 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: @@ -450,41 +577,11 @@ end: PKCS7_free(p7); BIO_free(in); BIO_free(indata); - BIO_free(out); + BIO_free_all(out); if(passin) OPENSSL_free(passin); return (ret); } -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; -} - static int save_certs(char *signerfile, STACK_OF(X509) *signers) { int i;