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Make decryptcore(8) buildable.

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This commit is contained in:
jkim 2018-09-19 07:07:03 +00:00
parent 59b947e8fc
commit 75de67ff13
1 changed files with 12 additions and 8 deletions
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20
sbin/decryptcore/decryptcore.c
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@ -120,7 +120,7 @@ decrypt(int ofd, const char *privkeyfile, const char *keyfile,
const char *input)
{
uint8_t buf[KERNELDUMP_BUFFER_SIZE], key[KERNELDUMP_KEY_MAX_SIZE];
EVP_CIPHER_CTX ctx;
EVP_CIPHER_CTX *ctx;
const EVP_CIPHER *cipher;
FILE *fp;
struct kerneldumpkey *kdk;
@ -134,6 +134,7 @@ decrypt(int ofd, const char *privkeyfile, const char *keyfile,
PJDLOG_ASSERT(keyfile != NULL);
PJDLOG_ASSERT(input != NULL);
ctx = NULL;
privkey = NULL;
/*
@ -179,7 +180,9 @@ decrypt(int ofd, const char *privkeyfile, const char *keyfile,
ERR_error_string(ERR_get_error(), NULL));
goto failed;
}
EVP_CIPHER_CTX_init(&ctx);
ctx = EVP_CIPHER_CTX_new();
if (ctx == NULL)
goto failed;
kdk = read_key(kfd);
close(kfd);
@ -219,8 +222,8 @@ decrypt(int ofd, const char *privkeyfile, const char *keyfile,
RSA_free(privkey);
privkey = NULL;
EVP_DecryptInit_ex(&ctx, cipher, NULL, key, kdk->kdk_iv);
EVP_CIPHER_CTX_set_padding(&ctx, 0);
EVP_DecryptInit_ex(ctx, cipher, NULL, key, kdk->kdk_iv);
EVP_CIPHER_CTX_set_padding(ctx, 0);
explicit_bzero(key, sizeof(key));
@ -233,13 +236,13 @@ decrypt(int ofd, const char *privkeyfile, const char *keyfile,
}
if (bytes > 0) {
if (EVP_DecryptUpdate(&ctx, buf, &olen, buf,
if (EVP_DecryptUpdate(ctx, buf, &olen, buf,
bytes) == 0) {
pjdlog_error("Unable to decrypt core.");
goto failed;
}
} else {
if (EVP_DecryptFinal_ex(&ctx, buf, &olen) == 0) {
if (EVP_DecryptFinal_ex(ctx, buf, &olen) == 0) {
pjdlog_error("Unable to decrypt core.");
goto failed;
}
@ -252,13 +255,14 @@ decrypt(int ofd, const char *privkeyfile, const char *keyfile,
} while (bytes > 0);
explicit_bzero(buf, sizeof(buf));
EVP_CIPHER_CTX_cleanup(&ctx);
EVP_CIPHER_CTX_free(ctx);
exit(0);
failed:
explicit_bzero(key, sizeof(key));
explicit_bzero(buf, sizeof(buf));
RSA_free(privkey);
EVP_CIPHER_CTX_cleanup(&ctx);
if (ctx != NULL)
EVP_CIPHER_CTX_free(ctx);
exit(1);
}