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Avoid leaks in pkcs8 app, tidy code up.

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This commit is contained in:
Dr. Stephen Henson 2009-02-12 18:02:47 +00:00
parent c558c99fd8
commit 46400c97a9
1 changed files with 24 additions and 48 deletions
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72
apps/pkcs8.c
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@ -80,11 +80,12 @@ int MAIN(int argc, char **argv)
int informat, outformat;
int p8_broken = PKCS8_OK;
int nocrypt = 0;
X509_SIG *p8;
PKCS8_PRIV_KEY_INFO *p8inf;
X509_SIG *p8 = NULL;
PKCS8_PRIV_KEY_INFO *p8inf = NULL;
EVP_PKEY *pkey=NULL;
char pass[50], *passin = NULL, *passout = NULL, *p8pass = NULL;
int badarg = 0;
int ret = 1;
#ifndef OPENSSL_NO_ENGINE
char *engine=NULL;
#endif
@ -225,7 +226,7 @@ int MAIN(int argc, char **argv)
#ifndef OPENSSL_NO_ENGINE
BIO_printf(bio_err," -engine e use engine e, possibly a hardware device.\n");
#endif
return 1;
goto end;
}
#ifndef OPENSSL_NO_ENGINE
@ -235,7 +236,7 @@ int MAIN(int argc, char **argv)
if (!app_passwd(bio_err, passargin, passargout, &passin, &passout))
{
BIO_printf(bio_err, "Error getting passwords\n");
return 1;
goto end;
}
if ((pbe_nid == -1) && !cipher)
@ -247,7 +248,7 @@ int MAIN(int argc, char **argv)
{
BIO_printf(bio_err,
"Can't open input file %s\n", infile);
return (1);
goto end;
}
}
else
@ -259,7 +260,7 @@ int MAIN(int argc, char **argv)
{
BIO_printf(bio_err,
"Can't open output file %s\n", outfile);
return (1);
goto end;
}
}
else
@ -278,17 +279,12 @@ int MAIN(int argc, char **argv)
pkey = load_key(bio_err, infile, informat, 1,
passin, e, "key");
if (!pkey)
{
BIO_free_all(out);
return 1;
}
goto end;
if (!(p8inf = EVP_PKEY2PKCS8_broken(pkey, p8_broken)))
{
BIO_printf(bio_err, "Error converting key\n");
ERR_print_errors(bio_err);
EVP_PKEY_free(pkey);
BIO_free_all(out);
return 1;
goto end;
}
if (nocrypt)
{
@ -299,10 +295,7 @@ int MAIN(int argc, char **argv)
else
{
BIO_printf(bio_err, "Bad format specified for key\n");
PKCS8_PRIV_KEY_INFO_free(p8inf);
EVP_PKEY_free(pkey);
BIO_free_all(out);
return (1);
goto end;
}
}
else
@ -313,12 +306,7 @@ int MAIN(int argc, char **argv)
{
p8pass = pass;
if (EVP_read_pw_string(pass, sizeof pass, "Enter Encryption Password:", 1))
{
PKCS8_PRIV_KEY_INFO_free(p8inf);
EVP_PKEY_free(pkey);
BIO_free_all(out);
return (1);
}
goto end;
}
app_RAND_load_file(NULL, bio_err, 0);
if (!(p8 = PKCS8_encrypt(pbe_nid, cipher,
@ -327,10 +315,7 @@ int MAIN(int argc, char **argv)
{
BIO_printf(bio_err, "Error encrypting key\n");
ERR_print_errors(bio_err);
PKCS8_PRIV_KEY_INFO_free(p8inf);
EVP_PKEY_free(pkey);
BIO_free_all(out);
return (1);
goto end;
}
app_RAND_write_file(NULL, bio_err);
if (outformat == FORMAT_PEM)
@ -340,22 +325,12 @@ int MAIN(int argc, char **argv)
else
{
BIO_printf(bio_err, "Bad format specified for key\n");
PKCS8_PRIV_KEY_INFO_free(p8inf);
EVP_PKEY_free(pkey);
BIO_free_all(out);
return (1);
goto end;
}
X509_SIG_free(p8);
}
PKCS8_PRIV_KEY_INFO_free (p8inf);
EVP_PKEY_free(pkey);
BIO_free_all(out);
if (passin)
OPENSSL_free(passin);
if (passout)
OPENSSL_free(passout);
return (0);
ret = 0;
goto end;
}
if (nocrypt)
@ -367,7 +342,7 @@ int MAIN(int argc, char **argv)
else
{
BIO_printf(bio_err, "Bad format specified for key\n");
return (1);
goto end;
}
}
else
@ -379,14 +354,14 @@ int MAIN(int argc, char **argv)
else
{
BIO_printf(bio_err, "Bad format specified for key\n");
return (1);
goto end;
}
if (!p8)
{
BIO_printf (bio_err, "Error reading key\n");
ERR_print_errors(bio_err);
return (1);
goto end;
}
if (passin)
p8pass = passin;
@ -396,21 +371,20 @@ int MAIN(int argc, char **argv)
EVP_read_pw_string(pass, sizeof pass, "Enter Password:", 0);
}
p8inf = PKCS8_decrypt(p8, p8pass, strlen(p8pass));
X509_SIG_free(p8);
}
if (!p8inf)
{
BIO_printf(bio_err, "Error decrypting key\n");
ERR_print_errors(bio_err);
return (1);
goto end;
}
if (!(pkey = EVP_PKCS82PKEY(p8inf)))
{
BIO_printf(bio_err, "Error converting key\n");
ERR_print_errors(bio_err);
return (1);
goto end;
}
if (p8inf->broken)
@ -436,7 +410,6 @@ int MAIN(int argc, char **argv)
}
}
PKCS8_PRIV_KEY_INFO_free(p8inf);
if (outformat == FORMAT_PEM)
PEM_write_bio_PrivateKey(out, pkey, NULL, NULL, 0, NULL, passout);
else if (outformat == FORMAT_ASN1)
@ -444,10 +417,13 @@ int MAIN(int argc, char **argv)
else
{
BIO_printf(bio_err, "Bad format specified for key\n");
return (1);
goto end;
}
ret = 0;
end:
X509_SIG_free(p8);
PKCS8_PRIV_KEY_INFO_free(p8inf);
EVP_PKEY_free(pkey);
BIO_free_all(out);
BIO_free(in);