New option to add CRLs for s_client and s_server.
[openssl.git] / apps / cms.c
index 7a637786d24fa984673e1d7e95946a3075a58b8f..5f77f8fbb03f14066cae8cd819b67dba51a2fc0f 100644 (file)
 #undef PROG
 #define PROG cms_main
 static int save_certs(char *signerfile, STACK_OF(X509) *signers);
-static int smime_cb(int ok, X509_STORE_CTX *ctx);
+static int cms_cb(int ok, X509_STORE_CTX *ctx);
 static void receipt_request_print(BIO *out, CMS_ContentInfo *cms);
-static CMS_ReceiptRequest *make_receipt_request(STACK *rr_to, int rr_allorfirst,
-                                                               STACK *rr_from);
+static CMS_ReceiptRequest *make_receipt_request(STACK_OF(OPENSSL_STRING) *rr_to,
+                                               int rr_allorfirst,
+                                       STACK_OF(OPENSSL_STRING) *rr_from);
 
 #define SMIME_OP       0x10
 #define SMIME_IP       0x20
@@ -91,6 +92,10 @@ static CMS_ReceiptRequest *make_receipt_request(STACK *rr_to, int rr_allorfirst,
 #define SMIME_COMPRESS         (12 | SMIME_OP)
 #define SMIME_ENCRYPTED_DECRYPT        (13 | SMIME_IP)
 #define SMIME_ENCRYPTED_ENCRYPT        (14 | SMIME_OP)
+#define SMIME_SIGN_RECEIPT     (15 | SMIME_IP | SMIME_OP)
+#define SMIME_VERIFY_RECEIPT   (16 | SMIME_IP)
+
+int verify_err = 0;
 
 int MAIN(int, char **);
 
@@ -101,21 +106,23 @@ int MAIN(int argc, char **argv)
        int ret = 0;
        char **args;
        const char *inmode = "r", *outmode = "w";
-       char *infile = NULL, *outfile = NULL;
+       char *infile = NULL, *outfile = NULL, *rctfile = NULL;
        char *signerfile = NULL, *recipfile = NULL;
-       STACK *sksigners = NULL, *skkeys = NULL;
+       STACK_OF(OPENSSL_STRING) *sksigners = NULL, *skkeys = NULL;
        char *certfile = NULL, *keyfile = NULL, *contfile=NULL;
+       char *certsoutfile = NULL;
        const EVP_CIPHER *cipher = NULL;
-       CMS_ContentInfo *cms = NULL;
+       CMS_ContentInfo *cms = NULL, *rcms = 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;
+       BIO *in = NULL, *out = NULL, *indata = NULL, *rctin = NULL;
        int badarg = 0;
        int flags = CMS_DETACHED, noout = 0, print = 0;
+       int verify_retcode = 0;
        int rr_print = 0, rr_allorfirst = -1;
-       STACK *rr_to = NULL, *rr_from = NULL;
+       STACK_OF(OPENSSL_STRING) *rr_to = NULL, *rr_from = NULL;
        CMS_ReceiptRequest *rr = NULL;
        char *to = NULL, *from = NULL, *subject = NULL;
        char *CAfile = NULL, *CApath = NULL;
@@ -124,11 +131,12 @@ int MAIN(int argc, char **argv)
        int need_rand = 0;
        const EVP_MD *sign_md = NULL;
        int informat = FORMAT_SMIME, outformat = FORMAT_SMIME;
-        int keyform = FORMAT_PEM;
+        int rctformat = FORMAT_SMIME, keyform = FORMAT_PEM;
 #ifndef OPENSSL_NO_ENGINE
        char *engine=NULL;
 #endif
        unsigned char *secret_key = NULL, *secret_keyid = NULL;
+       unsigned char *pwri_pass = NULL, *pwri_tmp = NULL;
        size_t secret_keylen = 0, secret_keyidlen = 0;
 
        ASN1_OBJECT *econtent_type = NULL;
@@ -157,10 +165,22 @@ int MAIN(int argc, char **argv)
                        operation = SMIME_DECRYPT;
                else if (!strcmp (*args, "-sign"))
                        operation = SMIME_SIGN;
+               else if (!strcmp (*args, "-sign_receipt"))
+                       operation = SMIME_SIGN_RECEIPT;
                else if (!strcmp (*args, "-resign"))
                        operation = SMIME_RESIGN;
                else if (!strcmp (*args, "-verify"))
                        operation = SMIME_VERIFY;
+               else if (!strcmp (*args, "-verify_retcode"))
+                       verify_retcode = 1;
+               else if (!strcmp(*args,"-verify_receipt"))
+                       {
+                       operation = SMIME_VERIFY_RECEIPT;
+                       if (!args[1])
+                               goto argerr;
+                       args++;
+                       rctfile = *args;
+                       }
                else if (!strcmp (*args, "-cmsout"))
                        operation = SMIME_CMSOUT;
                else if (!strcmp (*args, "-data_out"))
@@ -213,6 +233,8 @@ int MAIN(int argc, char **argv)
                else if (!strcmp(*args,"-camellia256"))
                                cipher = EVP_camellia_256_cbc();
 #endif
+               else if (!strcmp (*args, "-debug_decrypt")) 
+                               flags |= CMS_DEBUG_DECRYPT;
                else if (!strcmp (*args, "-text")) 
                                flags |= CMS_TEXT;
                else if (!strcmp (*args, "-nointern")) 
@@ -262,8 +284,8 @@ int MAIN(int argc, char **argv)
                                goto argerr;
                        args++;
                        if (!rr_from)
-                               rr_from = sk_new_null();
-                       sk_push(rr_from, *args);
+                               rr_from = sk_OPENSSL_STRING_new_null();
+                       sk_OPENSSL_STRING_push(rr_from, *args);
                        }
                else if (!strcmp(*args,"-receipt_request_to"))
                        {
@@ -271,8 +293,8 @@ int MAIN(int argc, char **argv)
                                goto argerr;
                        args++;
                        if (!rr_to)
-                               rr_to = sk_new_null();
-                       sk_push(rr_to, *args);
+                               rr_to = sk_OPENSSL_STRING_new_null();
+                       sk_OPENSSL_STRING_push(rr_to, *args);
                        }
                else if (!strcmp (*args, "-print"))
                                {
@@ -307,6 +329,13 @@ int MAIN(int argc, char **argv)
                                }
                        secret_keyidlen = (size_t)ltmp;
                        }
+               else if (!strcmp(*args,"-pwri_password"))
+                       {
+                       if (!args[1])
+                               goto argerr;
+                       args++;
+                       pwri_pass = (unsigned char *)*args;
+                       }
                else if (!strcmp(*args,"-econtent_type"))
                        {
                        if (!args[1])
@@ -368,13 +397,13 @@ int MAIN(int argc, char **argv)
                        if (signerfile)
                                {
                                if (!sksigners)
-                                       sksigners = sk_new_null();
-                               sk_push(sksigners, signerfile);
+                                       sksigners = sk_OPENSSL_STRING_new_null();
+                               sk_OPENSSL_STRING_push(sksigners, signerfile);
                                if (!keyfile)
                                        keyfile = signerfile;
                                if (!skkeys)
-                                       skkeys = sk_new_null();
-                               sk_push(skkeys, keyfile);
+                                       skkeys = sk_OPENSSL_STRING_new_null();
+                               sk_OPENSSL_STRING_push(skkeys, keyfile);
                                keyfile = NULL;
                                }
                        signerfile = *++args;
@@ -385,6 +414,12 @@ int MAIN(int argc, char **argv)
                                goto argerr;
                        recipfile = *++args;
                        }
+               else if (!strcmp (*args, "-certsout"))
+                       {
+                       if (!args[1])
+                               goto argerr;
+                       certsoutfile = *++args;
+                       }
                else if (!strcmp (*args, "-md"))
                        {
                        if (!args[1])
@@ -410,12 +445,12 @@ int MAIN(int argc, char **argv)
                                        goto argerr;
                                        }
                                if (!sksigners)
-                                       sksigners = sk_new_null();
-                               sk_push(sksigners, signerfile);
+                                       sksigners = sk_OPENSSL_STRING_new_null();
+                               sk_OPENSSL_STRING_push(sksigners, signerfile);
                                signerfile = NULL;
                                if (!skkeys)
-                                       skkeys = sk_new_null();
-                               sk_push(skkeys, keyfile);
+                                       skkeys = sk_OPENSSL_STRING_new_null();
+                               sk_OPENSSL_STRING_push(skkeys, keyfile);
                                }
                        keyfile = *++args;
                        }
@@ -425,6 +460,12 @@ int MAIN(int argc, char **argv)
                                goto argerr;
                        keyform = str2fmt(*++args);
                        }
+               else if (!strcmp (*args, "-rctform"))
+                       {
+                       if (!args[1])
+                               goto argerr;
+                       rctformat = str2fmt(*++args);
+                       }
                else if (!strcmp (*args, "-certfile"))
                        {
                        if (!args[1])
@@ -508,13 +549,13 @@ int MAIN(int argc, char **argv)
                if (signerfile)
                        {
                        if (!sksigners)
-                               sksigners = sk_new_null();
-                       sk_push(sksigners, signerfile);
+                               sksigners = sk_OPENSSL_STRING_new_null();
+                       sk_OPENSSL_STRING_push(sksigners, signerfile);
                        if (!skkeys)
-                               skkeys = sk_new_null();
+                               skkeys = sk_OPENSSL_STRING_new_null();
                        if (!keyfile)
                                keyfile = signerfile;
-                       sk_push(skkeys, keyfile);
+                       sk_OPENSSL_STRING_push(skkeys, keyfile);
                        }
                if (!sksigners)
                        {
@@ -525,9 +566,10 @@ int MAIN(int argc, char **argv)
                keyfile = NULL;
                need_rand = 1;
                }
+
        else if (operation == SMIME_DECRYPT)
                {
-               if (!recipfile && !keyfile && !secret_key)
+               if (!recipfile && !keyfile && !secret_key && !pwri_pass)
                        {
                        BIO_printf(bio_err, "No recipient certificate or key specified\n");
                        badarg = 1;
@@ -535,7 +577,7 @@ int MAIN(int argc, char **argv)
                }
        else if (operation == SMIME_ENCRYPT)
                {
-               if (!*args && !secret_key)
+               if (!*args && !secret_key && !pwri_pass)
                        {
                        BIO_printf(bio_err, "No recipient(s) certificate(s) specified\n");
                        badarg = 1;
@@ -548,7 +590,7 @@ int MAIN(int argc, char **argv)
        if (badarg)
                {
                argerr:
-               BIO_printf (bio_err, "Usage smime [options] cert.pem ...\n");
+               BIO_printf (bio_err, "Usage cms [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");
@@ -583,9 +625,10 @@ int MAIN(int argc, char **argv)
                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, "-certsout file certificate output 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, "-skeyid        use subject key identifier\n");
+               BIO_printf (bio_err, "-keyid         use subject key identifier\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");
@@ -671,7 +714,7 @@ int MAIN(int argc, char **argv)
 
                if (secret_key && !secret_keyid)
                        {
-                       BIO_printf(bio_err, "No sectre key id\n");
+                       BIO_printf(bio_err, "No secret key id\n");
                        goto end;
                        }
 
@@ -708,12 +751,22 @@ int MAIN(int argc, char **argv)
                        }
                }
 
+       if (operation == SMIME_SIGN_RECEIPT)
+               {
+               if (!(signer = load_cert(bio_err,signerfile,FORMAT_PEM,NULL,
+                       e, "receipt signer certificate file")))
+                       {
+                       ERR_print_errors(bio_err);
+                       goto end;
+                       }
+               }
+
        if (operation == SMIME_DECRYPT)
                {
                if (!keyfile)
                        keyfile = recipfile;
                }
-       else if (operation == SMIME_SIGN)
+       else if ((operation == SMIME_SIGN) || (operation == SMIME_SIGN_RECEIPT))
                {
                if (!keyfile)
                        keyfile = signerfile;
@@ -768,6 +821,49 @@ int MAIN(int argc, char **argv)
                                goto end;
                                }
                        }
+               if (certsoutfile)
+                       {
+                       STACK_OF(X509) *allcerts;
+                       allcerts = CMS_get1_certs(cms);
+                       if (!save_certs(certsoutfile, allcerts))
+                               {
+                               BIO_printf(bio_err,
+                                               "Error writing certs to %s\n",
+                                                               certsoutfile);
+                               ret = 5;
+                               goto end;
+                               }
+                       sk_X509_pop_free(allcerts, X509_free);
+                       }
+               }
+
+       if (rctfile)
+               {
+               char *rctmode = (rctformat == FORMAT_ASN1) ? "rb" : "r";
+               if (!(rctin = BIO_new_file(rctfile, rctmode)))
+                       {
+                       BIO_printf (bio_err,
+                                "Can't open receipt file %s\n", rctfile);
+                       goto end;
+                       }
+               
+               if (rctformat == FORMAT_SMIME) 
+                       rcms = SMIME_read_CMS(rctin, NULL);
+               else if (rctformat == FORMAT_PEM) 
+                       rcms = PEM_read_bio_CMS(rctin, NULL, NULL, NULL);
+               else if (rctformat == FORMAT_ASN1) 
+                       rcms = d2i_CMS_bio(rctin, NULL);
+               else
+                       {
+                       BIO_printf(bio_err, "Bad input format for receipt\n");
+                       goto end;
+                       }
+
+               if (!rcms)
+                       {
+                       BIO_printf(bio_err, "Error reading receipt\n");
+                       goto end;
+                       }
                }
 
        if (outfile)
@@ -790,11 +886,11 @@ int MAIN(int argc, char **argv)
 #endif
                }
 
-       if (operation == SMIME_VERIFY)
+       if ((operation == SMIME_VERIFY) || (operation == SMIME_VERIFY_RECEIPT))
                {
                if (!(store = setup_verify(bio_err, CAfile, CApath)))
                        goto end;
-               X509_STORE_set_verify_cb_func(store, smime_cb);
+               X509_STORE_set_verify_cb(store, cms_cb);
                if (vpm)
                        X509_STORE_set1_param(store, vpm);
                }
@@ -831,9 +927,20 @@ int MAIN(int argc, char **argv)
                        secret_key = NULL;
                        secret_keyid = NULL;
                        }
+               if (pwri_pass)
+                       {
+                       pwri_tmp = (unsigned char *)BUF_strdup((char *)pwri_pass);
+                       if (!pwri_tmp)
+                               goto end;
+                       if (!CMS_add0_recipient_password(cms,
+                                               -1, NID_undef, NID_undef,
+                                                pwri_tmp, -1, NULL))
+                               goto end;
+                       pwri_tmp = NULL;
+                       }
                if (!(flags & CMS_STREAM))
                        {
-                       if (!CMS_final(cms, in, flags))
+                       if (!CMS_final(cms, in, NULL, flags))
                                goto end;
                        }
                }
@@ -843,6 +950,21 @@ int MAIN(int argc, char **argv)
                                                secret_key, secret_keylen,
                                                flags);
 
+               }
+       else if (operation == SMIME_SIGN_RECEIPT)
+               {
+               CMS_ContentInfo *srcms = NULL;
+               STACK_OF(CMS_SignerInfo) *sis;
+               CMS_SignerInfo *si;
+               sis = CMS_get0_SignerInfos(cms);
+               if (!sis)
+                       goto end;
+               si = sk_CMS_SignerInfo_value(sis, 0);
+               srcms = CMS_sign_receipt(si, signer, key, other, flags);
+               if (!srcms)
+                       goto end;
+               CMS_ContentInfo_free(cms);
+               cms = srcms;
                }
        else if (operation & SMIME_SIGNERS)
                {
@@ -879,11 +1001,11 @@ int MAIN(int argc, char **argv)
                        }
                else
                        flags |= CMS_REUSE_DIGEST;
-               for (i = 0; i < sk_num(sksigners); i++)
+               for (i = 0; i < sk_OPENSSL_STRING_num(sksigners); i++)
                        {
                        CMS_SignerInfo *si;
-                       signerfile = sk_value(sksigners, i);
-                       keyfile = sk_value(skkeys, 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)
@@ -905,7 +1027,7 @@ int MAIN(int argc, char **argv)
                /* If not streaming or resigning finalize structure */
                if ((operation == SMIME_SIGN) && !(flags & CMS_STREAM))
                        {
-                       if (!CMS_final(cms, in, flags))
+                       if (!CMS_final(cms, in, NULL, flags))
                                goto end;
                        }
                }
@@ -919,6 +1041,8 @@ int MAIN(int argc, char **argv)
        ret = 4;
        if (operation == SMIME_DECRYPT)
                {
+               if (flags & CMS_DEBUG_DECRYPT)
+                       CMS_decrypt(cms, NULL, NULL, NULL, NULL, flags);
 
                if (secret_key)
                        {
@@ -942,6 +1066,16 @@ int MAIN(int argc, char **argv)
                                }
                        }
 
+               if (pwri_pass)
+                       {
+                       if (!CMS_decrypt_set1_password(cms, pwri_pass, -1))
+                               {
+                               BIO_puts(bio_err,
+                                       "Error decrypting CMS using password\n");
+                               goto end;
+                               }
+                       }
+
                if (!CMS_decrypt(cms, NULL, NULL, indata, out, flags))
                        {
                        BIO_printf(bio_err, "Error decrypting CMS structure\n");
@@ -981,6 +1115,8 @@ int MAIN(int argc, char **argv)
                else
                        {
                        BIO_printf(bio_err, "Verification failure\n");
+                       if (verify_retcode)
+                               ret = verify_err + 32;
                        goto end;
                        }
                if (signerfile)
@@ -1001,6 +1137,16 @@ int MAIN(int argc, char **argv)
                        receipt_request_print(bio_err, cms);
                                        
                }
+       else if (operation == SMIME_VERIFY_RECEIPT)
+               {
+               if (CMS_verify_receipt(rcms, cms, other, store, flags) > 0)
+                       BIO_printf(bio_err, "Verification successful\n");
+               else
+                       {
+                       BIO_printf(bio_err, "Verification failure\n");
+                       goto end;
+                       }
+               }
        else
                {
                if (noout)
@@ -1047,27 +1193,31 @@ end:
        if (vpm)
                X509_VERIFY_PARAM_free(vpm);
        if (sksigners)
-               sk_free(sksigners);
+               sk_OPENSSL_STRING_free(sksigners);
        if (skkeys)
-               sk_free(skkeys);
+               sk_OPENSSL_STRING_free(skkeys);
        if (secret_key)
                OPENSSL_free(secret_key);
        if (secret_keyid)
                OPENSSL_free(secret_keyid);
+       if (pwri_tmp)
+               OPENSSL_free(pwri_tmp);
        if (econtent_type)
                ASN1_OBJECT_free(econtent_type);
        if (rr)
                CMS_ReceiptRequest_free(rr);
        if (rr_to)
-               sk_free(rr_to);
+               sk_OPENSSL_STRING_free(rr_to);
        if (rr_from)
-               sk_free(rr_from);
+               sk_OPENSSL_STRING_free(rr_from);
        X509_STORE_free(store);
        X509_free(cert);
        X509_free(recip);
        X509_free(signer);
        EVP_PKEY_free(key);
        CMS_ContentInfo_free(cms);
+       CMS_ContentInfo_free(rcms);
+       BIO_free(rctin);
        BIO_free(in);
        BIO_free(indata);
        BIO_free_all(out);
@@ -1092,12 +1242,14 @@ static int save_certs(char *signerfile, STACK_OF(X509) *signers)
 
 /* Minimal callback just to output policy info (if any) */
 
-static int smime_cb(int ok, X509_STORE_CTX *ctx)
+static int cms_cb(int ok, X509_STORE_CTX *ctx)
        {
        int error;
 
        error = X509_STORE_CTX_get_error(ctx);
 
+       verify_err = error;
+
        if ((error != X509_V_ERR_NO_EXPLICIT_POLICY)
                && ((error != X509_V_OK) || (ok != 2)))
                return ok;
@@ -1179,7 +1331,7 @@ static void receipt_request_print(BIO *out, CMS_ContentInfo *cms)
                }
        }
 
-static STACK_OF(GENERAL_NAMES) *make_names_stack(STACK *ns)
+static STACK_OF(GENERAL_NAMES) *make_names_stack(STACK_OF(OPENSSL_STRING) *ns)
        {
        int i;
        STACK_OF(GENERAL_NAMES) *ret;
@@ -1188,9 +1340,9 @@ static STACK_OF(GENERAL_NAMES) *make_names_stack(STACK *ns)
        ret = sk_GENERAL_NAMES_new_null();
        if (!ret)
                goto err;
-       for (i = 0; i < sk_num(ns); i++)
+       for (i = 0; i < sk_OPENSSL_STRING_num(ns); i++)
                {
-               char *str = sk_value(ns, i);
+               char *str = sk_OPENSSL_STRING_value(ns, i);
                gen = a2i_GENERAL_NAME(NULL, NULL, NULL, GEN_EMAIL, str, 0);
                if (!gen)
                        goto err;
@@ -1218,8 +1370,9 @@ static STACK_OF(GENERAL_NAMES) *make_names_stack(STACK *ns)
        }
 
 
-static CMS_ReceiptRequest *make_receipt_request(STACK *rr_to, int rr_allorfirst,
-                                                               STACK *rr_from)
+static CMS_ReceiptRequest *make_receipt_request(STACK_OF(OPENSSL_STRING) *rr_to,
+                                               int rr_allorfirst,
+                                               STACK_OF(OPENSSL_STRING) *rr_from)
        {
        STACK_OF(GENERAL_NAMES) *rct_to, *rct_from;
        CMS_ReceiptRequest *rr;