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make this work with the new mkey code

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@8550 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Johan Danielsson
2000-07-05 13:16:35 +00:00
parent 477d8874bf
commit 8e922c962d
1 changed files with 57 additions and 17 deletions
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74
kdc/kstash.c
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@@ -1,5 +1,5 @@
/*
* Copyright (c) 1997-1999 Kungliga Tekniska H<>gskolan
* Copyright (c) 1997-2000 Kungliga Tekniska H<>gskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
@@ -43,12 +43,19 @@ int convert_flag;
int help_flag;
int version_flag;
int master_key_fd = -1;
char *enctype_str = "des3-cbc-sha1";
struct getargs args[] = {
{ "enctype", 'e', arg_string, &enctype_str, "encryption type" },
{ "key-file", 'k', arg_string, &keyfile, "master key file", "file" },
{ "version4-key-file", '4', arg_string, &v4_keyfile,
"kerberos 4 master key file", "file" },
{ "convert-file", 0, arg_flag, &convert_flag,
"convert keytype of keyfile" },
{ "master-key-fd", 0, arg_integer, &master_key_fd,
"filedescriptor to read passphrase from", "fd" },
{ "help", 'h', arg_flag, &help_flag },
{ "version", 0, arg_flag, &version_flag }
};
@@ -147,8 +154,12 @@ int
main(int argc, char **argv)
{
char buf[1024];
EncryptionKey key;
FILE *f;
krb5_keyblock key;
krb5_error_code ret;
krb5_enctype enctype;
hdb_master_key mkey;
krb5_program_setup(&context, argc, argv, args, num_args, NULL);
@@ -162,27 +173,56 @@ main(int argc, char **argv)
if(convert_flag)
exit(convert_file());
key.keytype = ETYPE_DES_CBC_MD5; /* XXX */
if(v4_keyfile) {
f = fopen(v4_keyfile, "r");
if(f == NULL)
krb5_err(context, 1, errno, "fopen(%s)", v4_keyfile);
key.keyvalue.length = sizeof(des_cblock);
key.keyvalue.data = malloc(key.keyvalue.length);
fread(key.keyvalue.data, 1, key.keyvalue.length, f);
fclose(f);
} else {
ret = krb5_string_to_enctype(context, enctype_str, &enctype);
if(ret)
krb5_err(context, 1, ret, "krb5_string_to_enctype");
ret = hdb_read_master_key(context, keyfile, &mkey);
if(ret)
krb5_err(context, 1, ret, "reading master key");
{
krb5_salt salt;
salt.salttype = KRB5_PW_SALT;
/* XXX better value? */
salt.saltvalue.data = NULL;
salt.saltvalue.length = 0;
if(des_read_pw_string(buf, sizeof(buf), "Master key: ", 1))
exit(1);
krb5_string_to_key_salt(context, key.keytype, buf, salt, &key);
if(master_key_fd != -1) {
ssize_t n;
n = read(master_key_fd, buf, sizeof(buf));
if(n <= 0)
krb5_err(context, 1, errno, "failed to read passphrase");
buf[n] = '\0';
buf[strcspn(buf, "\r\n")] = '\0';
} else {
if(des_read_pw_string(buf, sizeof(buf), "Master key: ", 1))
exit(1);
}
krb5_string_to_key_salt(context, enctype, buf, salt, &key);
}
write_keyfile(key);
ret = hdb_add_master_key(context, &key, &mkey);
krb5_free_keyblock_contents(context, &key);
{
char *new, *old;
asprintf(&old, "%s.old", keyfile);
asprintf(&new, "%s.new", keyfile);
ret = hdb_write_master_key(context, new, mkey);
if(ret)
unlink(new);
else {
if(link(keyfile, old) < 0)
ret = errno;
else if(rename(new, keyfile) < 0)
ret = errno;
}
free(old);
free(new);
}
hdb_free_master_key(context, mkey);
exit(0);
}