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add support for reading krb4 /.k files

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@9503 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Johan Danielsson
2001-01-26 15:05:57 +00:00
parent 563af2ae92
commit e7f3feb49c
1 changed files with 37 additions and 2 deletions
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39
lib/hdb/mkey.c
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@@ -1,5 +1,5 @@
/*
* Copyright (c) 2000 Kungliga Tekniska H<>gskolan
* Copyright (c) 2000, 2001 Kungliga Tekniska H<>gskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
@@ -213,6 +213,39 @@ read_master_encryptionkey(krb5_context context, const char *filename,
key.keytype = ETYPE_DES_CFB64_NONE;
ret = hdb_process_master_key(context, 0, &key, 0, mkey);
krb5_free_keyblock_contents(context, &key);
return ret;
}
/* read a krb4 /.k style file */
static krb5_error_code
read_master_krb4(krb5_context context, const char *filename,
hdb_master_key *mkey)
{
int fd;
krb5_keyblock key;
krb5_error_code ret;
unsigned char buf[256];
ssize_t len;
fd = open(filename, O_RDONLY | O_BINARY);
if(fd < 0)
return errno;
len = read(fd, buf, sizeof(buf));
close(fd);
if(len < 0)
return errno;
memset(&key, 0, sizeof(key));
key.keytype = ETYPE_DES_PCBC_NONE;
ret = krb5_data_copy(&key.keyvalue, buf, len);
memset(buf, 0, sizeof(buf));
if(ret)
return ret;
ret = hdb_process_master_key(context, 0, &key, 0, mkey);
krb5_free_keyblock_contents(context, &key);
return ret;
}
@@ -249,7 +282,9 @@ hdb_read_master_key(krb5_context context, const char *filename,
if(len < 0)
return errno;
if(buf[0] == 0x30 && len <= 127 && buf[1] == len - 2) {
if(len == 8) {
ret = read_master_krb4(context, filename, mkey);
} else if(buf[0] == 0x30 && len <= 127 && buf[1] == len - 2) {
ret = read_master_encryptionkey(context, filename, mkey);
} else if(buf[0] == 5 && buf[1] >= 1 && buf[1] <= 2) {
ret = read_master_keytab(context, filename, mkey);