Reformat smime.c

This commit is contained in:
Dr. Stephen Henson 2004-09-07 00:28:17 +00:00
parent 5d7c222db8
commit 4ec3d785e5

View File

@ -82,7 +82,7 @@ static int smime_cb(int ok, X509_STORE_CTX *ctx);
int MAIN(int, char **);
int MAIN(int argc, char **argv)
{
{
ENGINE *e = NULL;
int operation = 0;
int ret = 0;
@ -119,18 +119,26 @@ int MAIN(int argc, char **argv)
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;
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();
@ -177,127 +185,225 @@ int MAIN(int argc, char **argv)
flags |= PKCS7_NOOLDMIMETYPE;
else if (!strcmp (*args, "-crlfeol"))
flags |= PKCS7_CRLFEOL;
else if (!strcmp(*args,"-rand")) {
if (args[1]) {
else if (!strcmp(*args,"-rand"))
{
if (args[1])
{
args++;
inrand = *args;
} else badarg = 1;
}
else
badarg = 1;
need_rand = 1;
}
#ifndef OPENSSL_NO_ENGINE
} else if (!strcmp(*args,"-engine")) {
if (args[1]) {
else if (!strcmp(*args,"-engine"))
{
if (args[1])
{
args++;
engine = *args;
} else badarg = 1;
}
else badarg = 1;
}
#endif
} else if (!strcmp(*args,"-passin")) {
if (args[1]) {
else if (!strcmp(*args,"-passin"))
{
if (args[1])
{
args++;
passargin = *args;
} else badarg = 1;
} else if (!strcmp (*args, "-to")) {
if (args[1]) {
}
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]) {
}
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]) {
}
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]) {
}
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]) {
}
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]) {
}
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]) {
}
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]) {
}
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]) {
}
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]) {
}
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]) {
}
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]) {
}
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]) {
}
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]) {
}
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]) {
}
else
badarg = 1;
}
else if (!strcmp (*args, "-content"))
{
if (args[1])
{
args++;
contfile = *args;
} else badarg = 1;
} else if (args_verify(&args, &badarg, bio_err, &vpm))
}
else
badarg = 1;
}
else if (args_verify(&args, &badarg, bio_err, &vpm))
continue;
else
badarg = 1;
args++;
}
}
if(operation == SMIME_SIGN) {
if(!signerfile) {
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) {
}
else if (operation == SMIME_DECRYPT)
{
if (!recipfile)
{
BIO_printf(bio_err, "No recipient certificate and key specified\n");
badarg = 1;
}
}
} else if(operation == SMIME_ENCRYPT) {
if(!*args) {
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;
}
else if (!operation)
badarg = 1;
if (badarg) {
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");
@ -352,121 +458,155 @@ int MAIN(int argc, char **argv)
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)) {
if (!app_passwd(bio_err, passargin, NULL, &passin, NULL))
{
BIO_printf(bio_err, "Error getting password\n");
goto end;
}
}
if (need_rand) {
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_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_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) {
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"))) {
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 (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 (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 (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 (operation == SMIME_DECRYPT)
{
if (!keyfile)
keyfile = recipfile;
}
else if (operation == SMIME_SIGN)
{
if (!keyfile)
keyfile = signerfile;
}
else keyfile = NULL;
if(keyfile) {
if (keyfile)
{
key = load_key(bio_err, keyfile, keyform, 0, passin, e,
"signing key file");
if (!key) {
if (!key)
goto end;
}
}
}
if (infile) {
if (!(in = BIO_new_file(infile, inmode))) {
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);
else
in = BIO_new_fp(stdin, BIO_NOCLOSE);
if (outfile) {
if (!(out = BIO_new_file(outfile, outmode))) {
if (outfile)
{
if (!(out = BIO_new_file(outfile, outmode)))
{
BIO_printf (bio_err,
"Can't open output file %s\n", outfile);
goto end;
}
}
} else {
else
{
out = BIO_new_fp(stdout, BIO_NOCLOSE);
#ifdef OPENSSL_SYS_VMS
{
@ -474,21 +614,24 @@ int MAIN(int argc, char **argv)
out = BIO_push(tmpbio, out);
}
#endif
}
}
if(operation == SMIME_VERIFY) {
if(!(store = setup_verify(bio_err, CAfile, CApath))) goto end;
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) {
if (operation == SMIME_ENCRYPT)
p7 = PKCS7_encrypt(encerts, in, cipher, flags);
} else if(operation == SMIME_SIGN) {
else if (operation == SMIME_SIGN)
{
/* If detached data and SMIME output enable partial
* signing.
*/
@ -496,84 +639,104 @@ int MAIN(int argc, char **argv)
flags |= PKCS7_STREAM;
p7 = PKCS7_sign(signer, key, other, in, flags);
/* 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(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");
if (!(flags & PKCS7_STREAM) && (BIO_reset(in) != 0))
{
BIO_printf(bio_err, "Can't rewind input 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;
}
}
}
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) {
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)) {
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) {
else if (operation == SMIME_VERIFY)
{
STACK_OF(X509) *signers;
if(PKCS7_verify(p7, other, store, indata, out, flags)) {
if (PKCS7_verify(p7, other, store, indata, out, flags))
BIO_printf(bio_err, "Verification successful\n");
} else {
else
{
BIO_printf(bio_err, "Verification failure\n");
goto end;
}
}
signers = PKCS7_get0_signers(p7, other, flags);
if(!save_certs(signerfile, signers)) {
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) {
}
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)
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)
else if (outformat == FORMAT_PEM)
PEM_write_bio_PKCS7(out,p7);
else if(outformat == FORMAT_ASN1)
else if (outformat == FORMAT_ASN1)
i2d_PKCS7_bio(out,p7);
else {
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);
if (ret) ERR_print_errors(bio_err);
sk_X509_pop_free(encerts, X509_free);
sk_X509_pop_free(other, X509_free);
if (vpm)
@ -587,22 +750,23 @@ end:
BIO_free(in);
BIO_free(indata);
BIO_free_all(out);
if(passin) OPENSSL_free(passin);
if (passin) OPENSSL_free(passin);
return (ret);
}
static int save_certs(char *signerfile, STACK_OF(X509) *signers)
{
{
int i;
BIO *tmp;
if(!signerfile) return 1;
if (!signerfile)
return 1;
tmp = BIO_new_file(signerfile, "w");
if(!tmp) return 0;
if (!tmp) return 0;
for(i = 0; i < sk_X509_num(signers); i++)
PEM_write_bio_X509(tmp, sk_X509_value(signers, i));
BIO_free(tmp);
return 1;
}
}
static void nodes_print(BIO *out, char *name, STACK_OF(X509_POLICY_NODE) *nodes)