int CA_passive_authentication(const EAC_CTX *ctx, PKCS7 *ef_cardsecurity) { X509 *ds_cert; X509_STORE *store; STACK_OF(X509) *ds_certs = NULL; unsigned long issuer_name_hash; int ret = 0; check(ef_cardsecurity && ctx && ctx->ca_ctx && ctx->ca_ctx->lookup_csca_cert, "Invalid arguments"); /* Extract the DS certificates from the EF.CardSecurity */ ds_certs = PKCS7_get0_signers(ef_cardsecurity, NULL, 0); check(ds_certs, "Failed to retrieve certificates from EF.CardSecurity"); /* NOTE: The following code assumes that there is only one certificate in * PKCS7 structure. ds_cert is implicitly freed together with ds_certs. */ ds_cert = sk_X509_pop(ds_certs); check(ds_cert, "Failed to retrieve DS certificate from EF.CardSecurity"); /* Get the trust store with at least the csca certificate */ issuer_name_hash = X509_issuer_name_hash(ds_cert); store = ctx->ca_ctx->lookup_csca_cert(issuer_name_hash); check (store, "Failed to retrieve CSCA truststore"); /* Verify the signature and the certificate chain */ ret = PKCS7_verify(ef_cardsecurity, ds_certs, store, NULL, NULL, 0); err: if (ds_certs) sk_X509_free(ds_certs); return ret; }
// Verify the signed block, the first 32 bytes of the data must be the certificate hash to work. int __fastcall util_verify(char* signature, int signlen, struct util_cert* cert, char** data) { unsigned int size, r; BIO *out = NULL; PKCS7 *message = NULL; char* data2 = NULL; char hash[UTIL_HASHSIZE]; STACK_OF(X509) *st = NULL; cert->x509 = NULL; cert->pkey = NULL; *data = NULL; message = d2i_PKCS7(NULL, (const unsigned char**)&signature, signlen); if (message == NULL) goto error; out = BIO_new(BIO_s_mem()); // Lets rebuild the original message and check the size size = i2d_PKCS7(message, NULL); if (size < (unsigned int)signlen) goto error; // Check the PKCS7 signature, but not the certificate chain. r = PKCS7_verify(message, NULL, NULL, NULL, out, PKCS7_NOVERIFY); if (r == 0) goto error; // If data block contains less than 32 bytes, fail. size = BIO_get_mem_data(out, &data2); if (size <= UTIL_HASHSIZE) goto error; // Copy the data block *data = (char*)malloc(size + 1); if (*data == NULL) goto error; memcpy(*data, data2, size); (*data)[size] = 0; // Get the certificate signer st = PKCS7_get0_signers(message, NULL, PKCS7_NOVERIFY); cert->x509 = X509_dup(sk_X509_value(st, 0)); sk_X509_free(st); // Get a full certificate hash of the signer r = UTIL_HASHSIZE; X509_digest(cert->x509, EVP_sha256(), (unsigned char*)hash, &r); // Check certificate hash with first 32 bytes of data. if (memcmp(hash, *data, UTIL_HASHSIZE) != 0) goto error; // Approved, cleanup and return. BIO_free(out); PKCS7_free(message); return size; error: if (out != NULL) BIO_free(out); if (message != NULL) PKCS7_free(message); if (*data != NULL) free(*data); if (cert->x509 != NULL) { X509_free(cert->x509); cert->x509 = NULL; } return 0; }
int GTPublicationsFile_getSigningCert( const GTPublicationsFile *publications_file, unsigned char **cert_der, size_t *cert_der_length) { int res = GT_UNKNOWN_ERROR; unsigned char *i2dp; unsigned char *tmp_der = NULL; int tmp_der_len; X509 *signing_cert = NULL; STACK_OF(X509) *certs = NULL; if (publications_file == NULL || publications_file->signature == NULL || cert_der == NULL || cert_der_length == NULL) { res = GT_INVALID_ARGUMENT; goto cleanup; } certs = PKCS7_get0_signers(publications_file->signature, NULL, 0); if (certs == NULL) { res = GT_INVALID_FORMAT; goto cleanup; } if (sk_X509_num(certs) != 1) { res = GT_INVALID_FORMAT; goto cleanup; } signing_cert = sk_X509_value(certs, 0); tmp_der_len = i2d_X509(signing_cert, NULL); if (tmp_der_len < 0) { res = GT_CRYPTO_FAILURE; goto cleanup; } tmp_der = GT_malloc(tmp_der_len); if (tmp_der == NULL) { res = GT_OUT_OF_MEMORY; goto cleanup; } i2dp = tmp_der; i2d_X509(signing_cert, &i2dp); *cert_der = tmp_der; tmp_der = NULL; *cert_der_length = tmp_der_len; res = GT_OK; cleanup: GT_free(tmp_der); sk_X509_free(certs); return res; }
/** This function will return the leaf signer certificate in a chain. This is required because certificate chains are not guaranteed to have the certificates in the order that they were issued. A typical certificate chain looks like this: ---------------------------- | Root | ---------------------------- ^ | ---------------------------- | Policy CA | <-- Typical Trust Anchor. ---------------------------- ^ | ---------------------------- | Issuing CA | ---------------------------- ^ | ----------------------------- / End-Entity (leaf) signer / <-- Bottom certificate. ----------------------------- EKU: "1.3.6.1.4.1.311.76.9.21.1" (Firmware Signing) @param[in] CertChain Certificate chain. @param[out] SignerCert Last certificate in the chain. For PKCS7 signatures, this will be the end-entity (leaf) signer cert. @retval EFI_SUCCESS The required EKUs were found in the signature. @retval EFI_INVALID_PARAMETER A parameter was invalid. @retval EFI_NOT_FOUND The number of signers found was not 1. **/ EFI_STATUS GetSignerCertificate ( IN CONST PKCS7 *CertChain, OUT X509 **SignerCert ) { EFI_STATUS Status; STACK_OF(X509) *Signers; INT32 NumberSigners; Status = EFI_SUCCESS; Signers = NULL; NumberSigners = 0; if (CertChain == NULL || SignerCert == NULL) { Status = EFI_INVALID_PARAMETER; goto Exit; } // // Get the signers from the chain. // Signers = PKCS7_get0_signers ((PKCS7*) CertChain, NULL, PKCS7_BINARY); if (Signers == NULL) { // // Fail to get signers form PKCS7 // Status = EFI_INVALID_PARAMETER; goto Exit; } // // There should only be one signer in the PKCS7 stack. // NumberSigners = sk_X509_num (Signers); if (NumberSigners != 1) { // // The number of singers should have been 1 // Status = EFI_NOT_FOUND; goto Exit; } *SignerCert = sk_X509_value (Signers, 0); Exit: // // Release Resources // if (Signers) { sk_X509_free (Signers); } return Status; }
static LUA_FUNCTION(openssl_pkcs7_verify) { int ret = 0; PKCS7 *p7 = CHECK_OBJECT(1, PKCS7, "openssl.pkcs7"); STACK_OF(X509) *signers = lua_isnoneornil(L, 2) ? NULL : CHECK_OBJECT(2, STACK_OF(X509), "openssl.stack_of_x509"); X509_STORE *store = lua_isnoneornil(L, 3) ? NULL : CHECK_OBJECT(3, X509_STORE, "openssl.x509_store"); BIO* in = lua_isnoneornil(L, 4) ? NULL : load_bio_object(L, 4); long flags = luaL_optint(L, 5, 0); BIO* out = BIO_new(BIO_s_mem()); if (!store) { luaL_error(L, "can't setup veirfy cainfo"); } if (PKCS7_verify(p7, signers, store, in, out, flags) == 1) { STACK_OF(X509) *signers1 = PKCS7_get0_signers(p7, NULL, flags); if (out) { BUF_MEM *bio_buf; BIO_get_mem_ptr(out, &bio_buf); lua_pushlstring(L, bio_buf->data, bio_buf->length); ret = 1; } else ret = 0; if (signers1) { signers1 = openssl_sk_x509_dup(signers1); PUSH_OBJECT(signers1, "openssl.sk_x509"); ret += 1; } } else { lua_pushnil(L); ret = 1; } if (out) BIO_free(out); if (in) BIO_free(in); return ret; }
int smime_main(int argc, char **argv) { BIO *in = NULL, *out = NULL, *indata = NULL; EVP_PKEY *key = NULL; PKCS7 *p7 = NULL; STACK_OF(OPENSSL_STRING) *sksigners = NULL, *skkeys = NULL; STACK_OF(X509) *encerts = NULL, *other = NULL; X509 *cert = NULL, *recip = NULL, *signer = NULL; X509_STORE *store = NULL; X509_VERIFY_PARAM *vpm = NULL; const EVP_CIPHER *cipher = NULL; const EVP_MD *sign_md = NULL; const char *CAfile = NULL, *CApath = NULL, *prog = NULL; char *certfile = NULL, *keyfile = NULL, *contfile = NULL, *inrand = NULL; char *infile = NULL, *outfile = NULL, *signerfile = NULL, *recipfile = NULL; char *passinarg = NULL, *passin = NULL, *to = NULL, *from = NULL, *subject = NULL; OPTION_CHOICE o; int noCApath = 0, noCAfile = 0; int flags = PKCS7_DETACHED, operation = 0, ret = 0, need_rand = 0, indef = 0; int informat = FORMAT_SMIME, outformat = FORMAT_SMIME, keyform = FORMAT_PEM; int vpmtouched = 0, rv = 0; ENGINE *e = NULL; const char *mime_eol = "\n"; if ((vpm = X509_VERIFY_PARAM_new()) == NULL) return 1; prog = opt_init(argc, argv, smime_options); while ((o = opt_next()) != OPT_EOF) { switch (o) { case OPT_EOF: case OPT_ERR: opthelp: BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); goto end; case OPT_HELP: opt_help(smime_options); ret = 0; goto end; case OPT_INFORM: if (!opt_format(opt_arg(), OPT_FMT_PDS, &informat)) goto opthelp; break; case OPT_IN: infile = opt_arg(); break; case OPT_OUTFORM: if (!opt_format(opt_arg(), OPT_FMT_PDS, &outformat)) goto opthelp; break; case OPT_OUT: outfile = opt_arg(); break; case OPT_ENCRYPT: operation = SMIME_ENCRYPT; break; case OPT_DECRYPT: operation = SMIME_DECRYPT; break; case OPT_SIGN: operation = SMIME_SIGN; break; case OPT_RESIGN: operation = SMIME_RESIGN; break; case OPT_VERIFY: operation = SMIME_VERIFY; break; case OPT_PK7OUT: operation = SMIME_PK7OUT; break; case OPT_TEXT: flags |= PKCS7_TEXT; break; case OPT_NOINTERN: flags |= PKCS7_NOINTERN; break; case OPT_NOVERIFY: flags |= PKCS7_NOVERIFY; break; case OPT_NOCHAIN: flags |= PKCS7_NOCHAIN; break; case OPT_NOCERTS: flags |= PKCS7_NOCERTS; break; case OPT_NOATTR: flags |= PKCS7_NOATTR; break; case OPT_NODETACH: flags &= ~PKCS7_DETACHED; break; case OPT_NOSMIMECAP: flags |= PKCS7_NOSMIMECAP; break; case OPT_BINARY: flags |= PKCS7_BINARY; break; case OPT_NOSIGS: flags |= PKCS7_NOSIGS; break; case OPT_STREAM: case OPT_INDEF: indef = 1; break; case OPT_NOINDEF: indef = 0; break; case OPT_CRLFEOL: flags |= PKCS7_CRLFEOL; mime_eol = "\r\n"; break; case OPT_RAND: inrand = opt_arg(); need_rand = 1; break; case OPT_ENGINE: e = setup_engine(opt_arg(), 0); break; case OPT_PASSIN: passinarg = opt_arg(); break; case OPT_TO: to = opt_arg(); break; case OPT_FROM: from = opt_arg(); break; case OPT_SUBJECT: subject = opt_arg(); break; case OPT_SIGNER: /* If previous -signer argument add signer to list */ if (signerfile) { if (sksigners == NULL && (sksigners = sk_OPENSSL_STRING_new_null()) == NULL) goto end; sk_OPENSSL_STRING_push(sksigners, signerfile); if (keyfile == NULL) keyfile = signerfile; if (skkeys == NULL && (skkeys = sk_OPENSSL_STRING_new_null()) == NULL) goto end; sk_OPENSSL_STRING_push(skkeys, keyfile); keyfile = NULL; } signerfile = opt_arg(); break; case OPT_RECIP: recipfile = opt_arg(); break; case OPT_MD: if (!opt_md(opt_arg(), &sign_md)) goto opthelp; break; case OPT_CIPHER: if (!opt_cipher(opt_unknown(), &cipher)) goto opthelp; break; case OPT_INKEY: /* If previous -inkey argument add signer to list */ if (keyfile) { if (signerfile == NULL) { BIO_printf(bio_err, "%s: Must have -signer before -inkey\n", prog); goto opthelp; } if (sksigners == NULL && (sksigners = sk_OPENSSL_STRING_new_null()) == NULL) goto end; sk_OPENSSL_STRING_push(sksigners, signerfile); signerfile = NULL; if (skkeys == NULL && (skkeys = sk_OPENSSL_STRING_new_null()) == NULL) goto end; sk_OPENSSL_STRING_push(skkeys, keyfile); } keyfile = opt_arg(); break; case OPT_KEYFORM: if (!opt_format(opt_arg(), OPT_FMT_ANY, &keyform)) goto opthelp; break; case OPT_CERTFILE: certfile = opt_arg(); break; case OPT_CAFILE: CAfile = opt_arg(); break; case OPT_CAPATH: CApath = opt_arg(); break; case OPT_NOCAFILE: noCAfile = 1; break; case OPT_NOCAPATH: noCApath = 1; break; case OPT_CONTENT: contfile = opt_arg(); break; case OPT_V_CASES: if (!opt_verify(o, vpm)) goto opthelp; vpmtouched++; break; } } argc = opt_num_rest(); argv = opt_rest(); if (!(operation & SMIME_SIGNERS) && (skkeys || sksigners)) { BIO_puts(bio_err, "Multiple signers or keys not allowed\n"); goto opthelp; } if (operation & SMIME_SIGNERS) { /* Check to see if any final signer needs to be appended */ if (keyfile && !signerfile) { BIO_puts(bio_err, "Illegal -inkey without -signer\n"); goto opthelp; } if (signerfile) { if (!sksigners && (sksigners = sk_OPENSSL_STRING_new_null()) == NULL) goto end; sk_OPENSSL_STRING_push(sksigners, signerfile); if (!skkeys && (skkeys = sk_OPENSSL_STRING_new_null()) == NULL) goto end; if (!keyfile) keyfile = signerfile; sk_OPENSSL_STRING_push(skkeys, keyfile); } if (!sksigners) { BIO_printf(bio_err, "No signer certificate specified\n"); goto opthelp; } signerfile = NULL; keyfile = NULL; need_rand = 1; } else if (operation == SMIME_DECRYPT) { if (!recipfile && !keyfile) { BIO_printf(bio_err, "No recipient certificate or key specified\n"); goto opthelp; } } else if (operation == SMIME_ENCRYPT) { if (argc == 0) { BIO_printf(bio_err, "No recipient(s) certificate(s) specified\n"); goto opthelp; } need_rand = 1; } else if (!operation) goto opthelp; if (!app_passwd(passinarg, NULL, &passin, NULL)) { BIO_printf(bio_err, "Error getting password\n"); goto end; } if (need_rand) { app_RAND_load_file(NULL, (inrand != NULL)); if (inrand != NULL) BIO_printf(bio_err, "%ld semi-random bytes loaded\n", app_RAND_load_files(inrand)); } ret = 2; if (!(operation & SMIME_SIGNERS)) flags &= ~PKCS7_DETACHED; if (!(operation & SMIME_OP)) { if (flags & PKCS7_BINARY) outformat = FORMAT_BINARY; } if (!(operation & SMIME_IP)) { if (flags & PKCS7_BINARY) informat = FORMAT_BINARY; } if (operation == SMIME_ENCRYPT) { if (!cipher) { #ifndef OPENSSL_NO_DES cipher = EVP_des_ede3_cbc(); #else BIO_printf(bio_err, "No cipher selected\n"); goto end; #endif } encerts = sk_X509_new_null(); if (!encerts) goto end; while (*argv) { cert = load_cert(*argv, FORMAT_PEM, "recipient certificate file"); if (cert == NULL) goto end; sk_X509_push(encerts, cert); cert = NULL; argv++; } } if (certfile) { if (!load_certs(certfile, &other, FORMAT_PEM, NULL, "certificate file")) { ERR_print_errors(bio_err); goto end; } } if (recipfile && (operation == SMIME_DECRYPT)) { if ((recip = load_cert(recipfile, FORMAT_PEM, "recipient certificate file")) == NULL) { 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) { key = load_key(keyfile, keyform, 0, passin, e, "signing key file"); if (!key) goto end; } in = bio_open_default(infile, 'r', informat); if (in == NULL) goto end; if (operation & SMIME_IP) { 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")) == NULL) { BIO_printf(bio_err, "Can't read content file %s\n", contfile); goto end; } } } out = bio_open_default(outfile, 'w', outformat); if (out == NULL) goto end; if (operation == SMIME_VERIFY) { if ((store = setup_verify(CAfile, CApath, noCAfile, noCApath)) == NULL) goto end; X509_STORE_set_verify_cb(store, smime_cb); if (vpmtouched) X509_STORE_set1_param(store, vpm); } ret = 3; if (operation == SMIME_ENCRYPT) { if (indef) flags |= PKCS7_STREAM; p7 = PKCS7_encrypt(encerts, in, cipher, flags); } else if (operation & SMIME_SIGNERS) { int i; /* * If detached data content we only enable streaming if S/MIME output * format. */ if (operation == SMIME_SIGN) { if (flags & PKCS7_DETACHED) { if (outformat == FORMAT_SMIME) flags |= PKCS7_STREAM; } else if (indef) flags |= PKCS7_STREAM; flags |= PKCS7_PARTIAL; p7 = PKCS7_sign(NULL, NULL, other, in, flags); if (!p7) goto end; if (flags & PKCS7_NOCERTS) { for (i = 0; i < sk_X509_num(other); i++) { X509 *x = sk_X509_value(other, i); PKCS7_add_certificate(p7, x); } } } else flags |= PKCS7_REUSE_DIGEST; for (i = 0; i < sk_OPENSSL_STRING_num(sksigners); i++) { signerfile = sk_OPENSSL_STRING_value(sksigners, i); keyfile = sk_OPENSSL_STRING_value(skkeys, i); signer = load_cert(signerfile, FORMAT_PEM, "signer certificate"); if (!signer) goto end; key = load_key(keyfile, keyform, 0, passin, e, "signing key file"); if (!key) goto end; if (!PKCS7_sign_add_signer(p7, signer, key, sign_md, flags)) goto end; X509_free(signer); signer = NULL; EVP_PKEY_free(key); key = NULL; } /* If not streaming or resigning finalize structure */ if ((operation == SMIME_SIGN) && !(flags & PKCS7_STREAM)) { if (!PKCS7_final(p7, in, flags)) goto end; } } if (!p7) { BIO_printf(bio_err, "Error creating PKCS#7 structure\n"); goto end; } ret = 4; if (operation == SMIME_DECRYPT) { if (!PKCS7_decrypt(p7, key, recip, out, flags)) { BIO_printf(bio_err, "Error decrypting PKCS#7 structure\n"); goto end; } } 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"); else { BIO_printf(bio_err, "Verification failure\n"); goto end; } 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; } sk_X509_free(signers); } else if (operation == SMIME_PK7OUT) PEM_write_bio_PKCS7(out, p7); else { if (to) BIO_printf(out, "To: %s%s", to, mime_eol); if (from) BIO_printf(out, "From: %s%s", from, mime_eol); if (subject) BIO_printf(out, "Subject: %s%s", subject, mime_eol); if (outformat == FORMAT_SMIME) { if (operation == SMIME_RESIGN) rv = SMIME_write_PKCS7(out, p7, indata, flags); else rv = SMIME_write_PKCS7(out, p7, in, flags); } else if (outformat == FORMAT_PEM) rv = PEM_write_bio_PKCS7_stream(out, p7, in, flags); else if (outformat == FORMAT_ASN1) rv = i2d_PKCS7_bio_stream(out, p7, in, flags); else { BIO_printf(bio_err, "Bad output format for PKCS#7 file\n"); goto end; } if (rv == 0) { BIO_printf(bio_err, "Error writing output\n"); ret = 3; goto end; } } ret = 0; end: if (need_rand) app_RAND_write_file(NULL); if (ret) ERR_print_errors(bio_err); sk_X509_pop_free(encerts, X509_free); sk_X509_pop_free(other, X509_free); X509_VERIFY_PARAM_free(vpm); sk_OPENSSL_STRING_free(sksigners); sk_OPENSSL_STRING_free(skkeys); X509_STORE_free(store); X509_free(cert); X509_free(recip); X509_free(signer); EVP_PKEY_free(key); PKCS7_free(p7); release_engine(e); BIO_free(in); BIO_free(indata); BIO_free_all(out); OPENSSL_free(passin); return (ret); }
int MAIN(int argc, char **argv) { ENGINE *e = NULL; int operation = 0; int ret = 0; char **args; const char *inmode = "r", *outmode = "w"; char *infile = NULL, *outfile = NULL; char *signerfile = NULL, *recipfile = 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; 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; char *passargin = NULL, *passin = NULL; char *inrand = NULL; int need_rand = 0; int informat = FORMAT_SMIME, outformat = FORMAT_SMIME; int keyform = FORMAT_PEM; #ifndef OPENSSL_NO_ENGINE char *engine=NULL; #endif X509_VERIFY_PARAM *vpm = NULL; 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 OPENSSL_NO_DES else if (!strcmp (*args, "-des3")) cipher = EVP_des_ede3_cbc(); else if (!strcmp (*args, "-des")) cipher = EVP_des_cbc(); #endif #ifndef OPENSSL_NO_SEED else if (!strcmp (*args, "-seed")) cipher = EVP_seed_cbc(); #endif #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 #ifndef OPENSSL_NO_CAMELLIA else if (!strcmp(*args,"-camellia128")) cipher = EVP_camellia_128_cbc(); else if (!strcmp(*args,"-camellia192")) cipher = EVP_camellia_192_cbc(); else if (!strcmp(*args,"-camellia256")) cipher = EVP_camellia_256_cbc(); #endif 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, "-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,"-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++; passargin = *args; } else badarg = 1; } 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, "-keyform")) { if (args[1]) { args++; keyform = str2fmt(*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, "-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 if (args_verify(&args, NULL, &badarg, bio_err, &vpm)) continue; else badarg = 1; args++; } if (operation == SMIME_SIGN) { if (!signerfile) { BIO_printf(bio_err, "No signer certificate specified\n"); badarg = 1; } need_rand = 1; } else if (operation == SMIME_DECRYPT) { if (!recipfile && !keyfile) { BIO_printf(bio_err, "No recipient certificate or 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; } need_rand = 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"); #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 OPENSSL_NO_SEED BIO_printf (bio_err, "-seed encrypt with SEED\n"); #endif #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 #ifndef OPENSSL_NO_CAMELLIA BIO_printf (bio_err, "-camellia128, -camellia192, -camellia256\n"); BIO_printf (bio_err, " encrypt PEM output with cbc camellia\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, "-nocerts don't include signers certificate when signing\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, "-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 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, "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)); if (inrand != NULL) BIO_printf(bio_err,"%ld semi-random bytes loaded\n", app_RAND_load_files(inrand)); } ret = 2; if (operation != SMIME_SIGN) flags &= ~PKCS7_DETACHED; 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 OPENSSL_NO_RC2 cipher = EVP_rc2_40_cbc(); #else BIO_printf(bio_err, "No cipher selected\n"); goto end; #endif } encerts = sk_X509_new_null(); while (*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++; } } if (signerfile && (operation == SMIME_SIGN)) { 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, 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,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; } } if (operation == SMIME_DECRYPT) { if (!keyfile) keyfile = recipfile; } else if (operation == SMIME_SIGN) { if (!keyfile) keyfile = signerfile; } else keyfile = NULL; if (keyfile) { key = load_key(bio_err, keyfile, keyform, 0, passin, e, "signing key file"); if (!key) 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); #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(bio_err, CAfile, CApath))) goto end; X509_STORE_set_verify_cb_func(store, smime_cb); if (vpm) X509_STORE_set1_param(store, vpm); } 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); } else { 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) { BIO_printf(bio_err, "Error creating PKCS#7 structure\n"); goto end; } ret = 4; if (operation == SMIME_DECRYPT) { if (!PKCS7_decrypt(p7, key, recip, out, flags)) { BIO_printf(bio_err, "Error decrypting PKCS#7 structure\n"); goto end; } } 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"); else { BIO_printf(bio_err, "Verification failure\n"); goto end; } 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; } sk_X509_free(signers); } 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); 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: if (need_rand) app_RAND_write_file(NULL, bio_err); if (ret) ERR_print_errors(bio_err); sk_X509_pop_free(encerts, X509_free); sk_X509_pop_free(other, X509_free); if (vpm) X509_VERIFY_PARAM_free(vpm); 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_all(out); if (passin) OPENSSL_free(passin); return (ret); }
int easy_pkcs7_verify(const char *content, size_t len, const char *signature, size_t signature_len, const char *anchor, int is_pkg) { STACK_OF(X509) *cert_chain, *signers; X509_STORE *store; BIO *sig, *in; PKCS7 *p7; int i, status; X509_NAME *name; char *subject; OpenSSL_add_all_algorithms(); ERR_load_crypto_strings(); status = -1; if (cert_chain_file) cert_chain = file_to_certs(cert_chain_file); else cert_chain = NULL; store = X509_STORE_new(); if (store == NULL) { sk_X509_free(cert_chain); warnx("Failed to create certificate store"); return -1; } X509_STORE_load_locations(store, anchor, NULL); in = BIO_new_mem_buf(__UNCONST(content), len); sig = BIO_new_mem_buf(__UNCONST(signature), signature_len); signers = NULL; p7 = PEM_read_bio_PKCS7(sig, NULL, NULL, NULL); if (p7 == NULL) { warnx("Failed to parse the signature"); goto cleanup; } if (PKCS7_verify(p7, cert_chain, store, in, NULL, 0) != 1) { warnx("Failed to verify signature"); goto cleanup; } signers = PKCS7_get0_signers(p7, NULL, 0); if (signers == NULL) { warnx("Failed to get signers"); goto cleanup; } if (sk_X509_num(signers) == 0) { warnx("No signers found"); goto cleanup; } for (i = 0; i < sk_X509_num(signers); i++) { /* Compute ex_xkusage */ X509_check_purpose(sk_X509_value(signers, i), -1, -1); if (check_ca(sk_X509_value(signers, i))) { warnx("CA keys are not valid for signatures"); goto cleanup; } if (is_pkg) { if (sk_X509_value(signers, i)->ex_xkusage != pkg_key_usage) { warnx("Certificate must have CODE SIGNING " "and EMAIL PROTECTION property"); goto cleanup; } } else { if (sk_X509_value(signers, i)->ex_xkusage != 0) { warnx("Certificate must not have any property"); goto cleanup; } } } printf("Sigature ok, signed by:\n"); for (i = 0; i < sk_X509_num(signers); i++) { name = X509_get_subject_name(sk_X509_value(signers, i)); subject = X509_NAME_oneline(name, NULL, 0); printf("\t%s\n", subject); OPENSSL_free(subject); } status = 0; cleanup: sk_X509_free(cert_chain); sk_X509_free(signers); X509_STORE_free(store); PKCS7_free(p7); BIO_free(in); BIO_free(sig); return status; }
int smime_main(int argc, char **argv) { ENGINE *e = NULL; int operation = 0; int ret = 0; char **args; const char *inmode = "r", *outmode = "w"; char *infile = NULL, *outfile = NULL; char *signerfile = NULL, *recipfile = NULL; STACK_OF(OPENSSL_STRING) * sksigners = NULL, *skkeys = 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; 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; char *passargin = NULL, *passin = NULL; int indef = 0; const EVP_MD *sign_md = NULL; int informat = FORMAT_SMIME, outformat = FORMAT_SMIME; int keyform = FORMAT_PEM; #ifndef OPENSSL_NO_ENGINE char *engine = NULL; #endif X509_VERIFY_PARAM *vpm = 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, "-resign")) operation = SMIME_RESIGN; else if (!strcmp(*args, "-verify")) operation = SMIME_VERIFY; else if (!strcmp(*args, "-pk7out")) operation = SMIME_PK7OUT; #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 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 #ifndef OPENSSL_NO_CAMELLIA else if (!strcmp(*args, "-camellia128")) cipher = EVP_camellia_128_cbc(); else if (!strcmp(*args, "-camellia192")) cipher = EVP_camellia_192_cbc(); else if (!strcmp(*args, "-camellia256")) cipher = EVP_camellia_256_cbc(); #endif 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, "-nosmimecap")) flags |= PKCS7_NOSMIMECAP; else if (!strcmp(*args, "-binary")) flags |= PKCS7_BINARY; else if (!strcmp(*args, "-nosigs")) flags |= PKCS7_NOSIGS; else if (!strcmp(*args, "-stream")) indef = 1; else if (!strcmp(*args, "-indef")) indef = 1; else if (!strcmp(*args, "-noindef")) indef = 0; else if (!strcmp(*args, "-nooldmime")) flags |= PKCS7_NOOLDMIMETYPE; else if (!strcmp(*args, "-crlfeol")) flags |= PKCS7_CRLFEOL; #ifndef OPENSSL_NO_ENGINE else if (!strcmp(*args, "-engine")) { if (!args[1]) goto argerr; engine = *++args; } #endif else if (!strcmp(*args, "-passin")) { if (!args[1]) goto argerr; passargin = *++args; } else if (!strcmp(*args, "-to")) { if (!args[1]) goto argerr; to = *++args; } else if (!strcmp(*args, "-from")) { if (!args[1]) goto argerr; from = *++args; } else if (!strcmp(*args, "-subject")) { if (!args[1]) goto argerr; subject = *++args; } else if (!strcmp(*args, "-signer")) { if (!args[1]) goto argerr; /* If previous -signer argument add signer to list */ if (signerfile) { if (!sksigners) sksigners = sk_OPENSSL_STRING_new_null(); sk_OPENSSL_STRING_push(sksigners, signerfile); if (!keyfile) keyfile = signerfile; if (!skkeys) skkeys = sk_OPENSSL_STRING_new_null(); sk_OPENSSL_STRING_push(skkeys, keyfile); keyfile = NULL; } signerfile = *++args; } else if (!strcmp(*args, "-recip")) { if (!args[1]) goto argerr; recipfile = *++args; } else if (!strcmp(*args, "-md")) { if (!args[1]) goto argerr; sign_md = EVP_get_digestbyname(*++args); if (sign_md == NULL) { BIO_printf(bio_err, "Unknown digest %s\n", *args); goto argerr; } } else if (!strcmp(*args, "-inkey")) { if (!args[1]) goto argerr; /* If previous -inkey arument add signer to list */ if (keyfile) { if (!signerfile) { BIO_puts(bio_err, "Illegal -inkey without -signer\n"); goto argerr; } if (!sksigners) sksigners = sk_OPENSSL_STRING_new_null(); sk_OPENSSL_STRING_push(sksigners, signerfile); signerfile = NULL; if (!skkeys) skkeys = sk_OPENSSL_STRING_new_null(); sk_OPENSSL_STRING_push(skkeys, keyfile); } keyfile = *++args; } else if (!strcmp(*args, "-keyform")) { if (!args[1]) goto argerr; keyform = str2fmt(*++args); } else if (!strcmp(*args, "-certfile")) { if (!args[1]) goto argerr; certfile = *++args; } else if (!strcmp(*args, "-CAfile")) { if (!args[1]) goto argerr; CAfile = *++args; } else if (!strcmp(*args, "-CApath")) { if (!args[1]) goto argerr; CApath = *++args; } else if (!strcmp(*args, "-in")) { if (!args[1]) goto argerr; infile = *++args; } else if (!strcmp(*args, "-inform")) { if (!args[1]) goto argerr; informat = str2fmt(*++args); } else if (!strcmp(*args, "-outform")) { if (!args[1]) goto argerr; outformat = str2fmt(*++args); } else if (!strcmp(*args, "-out")) { if (!args[1]) goto argerr; outfile = *++args; } else if (!strcmp(*args, "-content")) { if (!args[1]) goto argerr; contfile = *++args; } else if (args_verify(&args, NULL, &badarg, bio_err, &vpm)) continue; else if ((cipher = EVP_get_cipherbyname(*args + 1)) == NULL) badarg = 1; args++; } if (!(operation & SMIME_SIGNERS) && (skkeys || sksigners)) { BIO_puts(bio_err, "Multiple signers or keys not allowed\n"); goto argerr; } if (operation & SMIME_SIGNERS) { /* Check to see if any final signer needs to be appended */ if (keyfile && !signerfile) { BIO_puts(bio_err, "Illegal -inkey without -signer\n"); goto argerr; } if (signerfile) { if (!sksigners) sksigners = sk_OPENSSL_STRING_new_null(); sk_OPENSSL_STRING_push(sksigners, signerfile); if (!skkeys) skkeys = sk_OPENSSL_STRING_new_null(); if (!keyfile) keyfile = signerfile; sk_OPENSSL_STRING_push(skkeys, keyfile); } if (!sksigners) { BIO_printf(bio_err, "No signer certificate specified\n"); badarg = 1; } signerfile = NULL; keyfile = NULL; } else if (operation == SMIME_DECRYPT) { if (!recipfile && !keyfile) { BIO_printf(bio_err, "No recipient certificate or 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) { argerr: 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"); #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 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 #ifndef OPENSSL_NO_CAMELLIA BIO_printf(bio_err, "-camellia128, -camellia192, -camellia256\n"); BIO_printf(bio_err, " encrypt PEM output with cbc camellia\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, "-nocerts don't include signers certificate when signing\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, "-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 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, "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; } ret = 2; if (!(operation & SMIME_SIGNERS)) flags &= ~PKCS7_DETACHED; if (operation & SMIME_OP) { if (outformat == FORMAT_ASN1) outmode = "wb"; } else { if (flags & PKCS7_BINARY) outmode = "wb"; } if (operation & SMIME_IP) { if (informat == FORMAT_ASN1) inmode = "rb"; } else { if (flags & PKCS7_BINARY) inmode = "rb"; } if (operation == SMIME_ENCRYPT) { if (!cipher) { #ifndef OPENSSL_NO_RC2 cipher = EVP_rc2_40_cbc(); #else BIO_printf(bio_err, "No cipher selected\n"); goto end; #endif } encerts = sk_X509_new_null(); while (*args) { if (!(cert = load_cert(bio_err, *args, FORMAT_PEM, NULL, e, "recipient certificate file"))) { goto end; } sk_X509_push(encerts, cert); cert = NULL; args++; } } if (certfile) { if (!(other = load_certs(bio_err, certfile, FORMAT_PEM, NULL, e, "certificate file"))) { ERR_print_errors(bio_err); goto end; } } if (recipfile && (operation == SMIME_DECRYPT)) { if (!(recip = load_cert(bio_err, recipfile, FORMAT_PEM, NULL, e, "recipient certificate file"))) { 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) { key = load_key(bio_err, keyfile, keyform, 0, passin, e, "signing key file"); if (!key) 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 (operation & SMIME_IP) { 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 (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(bio_err, CAfile, CApath))) goto end; X509_STORE_set_verify_cb(store, smime_cb); if (vpm) X509_STORE_set1_param(store, vpm); } ret = 3; if (operation == SMIME_ENCRYPT) { if (indef) flags |= PKCS7_STREAM; p7 = PKCS7_encrypt(encerts, in, cipher, flags); } else if (operation & SMIME_SIGNERS) { int i; /* * If detached data content we only enable streaming if * S/MIME output format. */ if (operation == SMIME_SIGN) { if (flags & PKCS7_DETACHED) { if (outformat == FORMAT_SMIME) flags |= PKCS7_STREAM; } else if (indef) flags |= PKCS7_STREAM; flags |= PKCS7_PARTIAL; p7 = PKCS7_sign(NULL, NULL, other, in, flags); if (!p7) goto end; } else flags |= PKCS7_REUSE_DIGEST; for (i = 0; i < sk_OPENSSL_STRING_num(sksigners); i++) { signerfile = sk_OPENSSL_STRING_value(sksigners, i); keyfile = sk_OPENSSL_STRING_value(skkeys, i); signer = load_cert(bio_err, signerfile, FORMAT_PEM, NULL, e, "signer certificate"); if (!signer) goto end; key = load_key(bio_err, keyfile, keyform, 0, passin, e, "signing key file"); if (!key) goto end; if (!PKCS7_sign_add_signer(p7, signer, key, sign_md, flags)) goto end; X509_free(signer); signer = NULL; EVP_PKEY_free(key); key = NULL; } /* If not streaming or resigning finalize structure */ if ((operation == SMIME_SIGN) && !(flags & PKCS7_STREAM)) { if (!PKCS7_final(p7, in, flags)) goto end; } } if (!p7) { BIO_printf(bio_err, "Error creating PKCS#7 structure\n"); goto end; } ret = 4; if (operation == SMIME_DECRYPT) { if (!PKCS7_decrypt(p7, key, recip, out, flags)) { BIO_printf(bio_err, "Error decrypting PKCS#7 structure\n"); goto end; } } 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"); else { BIO_printf(bio_err, "Verification failure\n"); goto end; } 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; } sk_X509_free(signers); } 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); if (outformat == FORMAT_SMIME) { if (operation == SMIME_RESIGN) SMIME_write_PKCS7(out, p7, indata, flags); else SMIME_write_PKCS7(out, p7, in, flags); } else if (outformat == FORMAT_PEM) PEM_write_bio_PKCS7_stream(out, p7, in, flags); else if (outformat == FORMAT_ASN1) i2d_PKCS7_bio_stream(out, p7, in, flags); else { BIO_printf(bio_err, "Bad output format for PKCS#7 file\n"); goto end; } } ret = 0; end: if (ret) ERR_print_errors(bio_err); sk_X509_pop_free(encerts, X509_free); sk_X509_pop_free(other, X509_free); if (vpm) X509_VERIFY_PARAM_free(vpm); if (sksigners) sk_OPENSSL_STRING_free(sksigners); if (skkeys) sk_OPENSSL_STRING_free(skkeys); 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_all(out); free(passin); return (ret); }
static LUA_FUNCTION(openssl_pkcs7_verify_digest) { PKCS7 *p7 = CHECK_OBJECT(1, PKCS7, "openssl.pkcs7"); STACK_OF(X509) *certs = lua_isnoneornil(L, 2) ? NULL : openssl_sk_x509_fromtable(L, 2); X509_STORE *store = lua_isnoneornil(L, 3) ? NULL : CHECK_OBJECT(3, X509_STORE, "openssl.x509_store"); size_t len; const char* data = luaL_checklstring(L, 4, &len); long flags = luaL_optint(L, 5, 0); int hash = lua_isnoneornil(L, 6) ? 0 : lua_toboolean(L, 6); STACK_OF(X509) *signers; X509 *signer; STACK_OF(PKCS7_SIGNER_INFO) *sinfos; PKCS7_SIGNER_INFO *si; X509_STORE_CTX cert_ctx; int i, j = 0, k, ret = 0; if (!PKCS7_type_is_signed(p7)) { luaL_error(L, "pkcs7 must be signedData"); } /* Check for no data and no content: no data to verify signature */ if (!PKCS7_get_detached(p7)) { luaL_error(L, "pkcs7 must be detached signedData"); } sinfos = PKCS7_get_signer_info(p7); if (!sinfos || !sk_PKCS7_SIGNER_INFO_num(sinfos)) { luaL_error(L, "pkcs7 signedData without signature"); } signers = PKCS7_get0_signers(p7, certs, flags); if (!signers) { luaL_error(L, "pkcs7 signedData without signers"); } if (!store) flags |= PKCS7_NOVERIFY; /* Now verify the certificates */ if (!(flags & PKCS7_NOVERIFY)) for (k = 0; k < sk_X509_num(signers); k++) { signer = sk_X509_value(signers, k); if (!(flags & PKCS7_NOCHAIN)) { if (!X509_STORE_CTX_init(&cert_ctx, store, signer, p7->d.sign->cert)) { PKCS7err(PKCS7_F_PKCS7_VERIFY, ERR_R_X509_LIB); goto err; } X509_STORE_CTX_set_default(&cert_ctx, "smime_sign"); } else if (!X509_STORE_CTX_init(&cert_ctx, store, signer, NULL)) { PKCS7err(PKCS7_F_PKCS7_VERIFY, ERR_R_X509_LIB); goto err; } if (!(flags & PKCS7_NOCRL)) X509_STORE_CTX_set0_crls(&cert_ctx, p7->d.sign->crl); i = X509_verify_cert(&cert_ctx); if (i <= 0) j = X509_STORE_CTX_get_error(&cert_ctx); X509_STORE_CTX_cleanup(&cert_ctx); if (i <= 0) { PKCS7err(PKCS7_F_PKCS7_VERIFY, PKCS7_R_CERTIFICATE_VERIFY_ERROR); ERR_add_error_data(2, "Verify error:", X509_verify_cert_error_string(j)); goto err; } /* Check for revocation status here */ } /* Now Verify All Signatures */ if (!(flags & PKCS7_NOSIGS)) for (i = 0; i < sk_PKCS7_SIGNER_INFO_num(sinfos); i++) { si = sk_PKCS7_SIGNER_INFO_value(sinfos, i); signer = sk_X509_value(signers, i); j = PKCS7_signatureVerify_digest(p7, si, signer, (const unsigned char*) data, len, hash); if (j <= 0) { PKCS7err(PKCS7_F_PKCS7_VERIFY, PKCS7_R_SIGNATURE_FAILURE); goto err; } } ret = 1; err: if (certs) sk_X509_pop_free(certs, X509_free); sk_X509_free(signers); return openssl_pushresult(L, ret); }
void format_smime_info(int pass, BODY *body, long msgno, gf_io_t pc) { PKCS7 *p7; int i; if(body->type == TYPEMULTIPART){ PART *p; for(p=body->nested.part; p; p=p->next) format_smime_info(pass, &p->body, msgno, pc); } p7 = body->sparep; if(p7){ if(PKCS7_type_is_signed(p7)){ STACK_OF(X509) *signers; switch(pass){ case 1: gf_puts(_("This message was cryptographically signed."), pc); gf_puts(NEWLINE, pc); break; case 2: signers = PKCS7_get0_signers(p7, NULL, 0); if(signers){ snprintf(tmp_20k_buf, SIZEOF_20KBUF, _("Certificate%s used for signing"), plural(sk_X509_num(signers))); gf_puts_uline(tmp_20k_buf, pc); gf_puts(NEWLINE, pc); print_separator_line(100, '-', pc); for(i=0; i<sk_X509_num(signers); i++){ X509 *x = sk_X509_value(signers, i); if(x){ output_cert_info(x, pc); gf_puts(NEWLINE, pc); } } } sk_X509_free(signers); break; } } else if(PKCS7_type_is_enveloped(p7)){ switch(pass){ case 1: gf_puts(_("This message was encrypted."), pc); gf_puts(NEWLINE, pc); break; case 2: if(p7->d.enveloped && p7->d.enveloped->enc_data){ X509_ALGOR *alg = p7->d.enveloped->enc_data->algorithm; STACK_OF(PKCS7_RECIP_INFO) *ris = p7->d.enveloped->recipientinfo; int found = 0; gf_puts(_("The algorithm used to encrypt was "), pc); if(alg){ char *n = (char *) OBJ_nid2sn( OBJ_obj2nid(alg->algorithm)); gf_puts(n ? n : "<unknown>", pc); } else gf_puts("<unknown>", pc); gf_puts("." NEWLINE NEWLINE, pc); snprintf(tmp_20k_buf, SIZEOF_20KBUF, _("Certificate%s for decrypting"), plural(sk_PKCS7_RECIP_INFO_num(ris))); gf_puts_uline(tmp_20k_buf, pc); gf_puts(NEWLINE, pc); print_separator_line(100, '-', pc); for(i=0; i<sk_PKCS7_RECIP_INFO_num(ris); i++){ PKCS7_RECIP_INFO *ri; PERSONAL_CERT *pcert; ri = sk_PKCS7_RECIP_INFO_value(ris, i); if(!ri) continue; pcert = find_certificate_matching_recip_info(ri); if(pcert){ if(found){ print_separator_line(25, '*', pc); gf_puts(NEWLINE, pc); } found = 1; output_cert_info(pcert->cert, pc); gf_puts(NEWLINE, pc); } } if(!found){ gf_puts(_("No certificate capable of decrypting could be found."), pc); gf_puts(NEWLINE, pc); gf_puts(NEWLINE, pc); } } break; } } } }