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now even with some functionality.

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@1217 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Assar Westerlund
1997-02-08 15:01:45 +00:00
parent 7ea57eec39
commit f4691a0443
1 changed files with 115 additions and 3 deletions
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118
lib/krb5/keytab.c
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@@ -55,7 +55,18 @@ krb5_kt_read_service_key(krb5_context context,
else
r = krb5_kt_default (context, &keytab);
if (r)
return r;
r = krb5_kt_get_entry (context, keytab, principal, vno, keytype, &entry);
if (r)
return r;
*key = malloc(sizeof(**key));
(*key)->keytype = entry.keyblock.keytype;
(*key)->contents.length = 0;
(*key)->contents.data = NULL;
krb5_data_copy(&(*key)->contents, entry.keyblock.contents.data,
entry.keyblock.contents.length);
krb5_kt_close (context, keytab);
return r;
@@ -109,9 +120,16 @@ krb5_kt_get_entry(krb5_context context,
r = krb5_kt_start_seq_get (context, id, &cursor);
while (krb5_kt_next_entry(context, id, entry, &cursor) == 0) {
if ((principal == NULL || krb5_principal_compare(context,
principal,
entry->principal)) &&
(kvno == 0 || kvno == entry->vno)) {
krb5_kt_end_seq_get (context, id, &cursor);
return 0;
}
}
return krb5_kt_end_seq_get (context, id, &cursor);
krb5_kt_end_seq_get (context, id, &cursor);
return KRB5_KT_NOTFOUND;
}
krb5_error_code
@@ -127,19 +145,113 @@ krb5_kt_start_seq_get(krb5_context context,
krb5_keytab id,
krb5_kt_cursor *cursor)
{
int16_t tag;
int ret;
cursor->fd = open (id->filename, O_RDONLY);
if (cursor->fd < 0)
return -1;
ret = krb5_ret_int16(cursor->fd, &tag);
if (ret)
return ret;
if (tag != 0x0502)
return KRB5_KT_UNKNOWN_TYPE;
return 0;
}
static krb5_error_code
krb5_kt_ret_data(int fd,
krb5_data *data)
{
int ret;
int16_t size;
ret = krb5_ret_int16(fd, &size);
if(ret)
return ret;
data->length = size;
data->data = malloc(size);
ret = read(fd, data->data, size);
if(ret != size)
return (ret < 0)? errno : KRB5_CC_END;
return 0;
}
static krb5_error_code
krb5_kt_ret_principal(int fd,
krb5_principal *princ)
{
int i;
int ret;
krb5_principal p;
int16_t tmp;
p = ALLOC(1, krb5_principal_data);
if(p == NULL)
return ENOMEM;
p->type = KRB5_NT_SRV_HST;
ret = krb5_ret_int16(fd, &tmp);
if(ret) return ret;
p->ncomp = tmp;
ret = krb5_kt_ret_data(fd, &p->realm);
if(ret) return ret;
p->comp = ALLOC(p->ncomp, krb5_data);
if(p->comp == NULL){
return ENOMEM;
}
for(i = 0; i < p->ncomp; i++){
ret = krb5_kt_ret_data(fd, &p->comp[i]);
if(ret) return ret;
}
*princ = p;
return 0;
}
static krb5_error_code
krb5_kt_ret_keyblock(int fd, krb5_keyblock *p)
{
int ret;
int16_t tmp;
ret = krb5_ret_int16(fd, &tmp); /* keytype + etype */
if(ret) return ret;
p->keytype = tmp;
ret = krb5_kt_ret_data(fd, &p->contents);
return ret;
}
krb5_error_code
krb5_kt_next_entry(krb5_context context,
krb5_keytab id,
krb5_keytab_entry *entry,
krb5_kt_cursor *cursor)
{
u_int32_t len;
u_int32_t timestamp;
int ret;
int8_t tmp;
ret = krb5_ret_int32(cursor->fd, &len);
if (ret)
return ret;
ret = krb5_kt_ret_principal (cursor->fd, &entry->principal);
if (ret)
return ret;
ret = krb5_ret_int32(cursor->fd, &entry->principal->type);
if (ret)
return ret;
ret = krb5_ret_int32(cursor->fd, &timestamp);
if (ret)
return ret;
ret = krb5_ret_int8(cursor->fd, &tmp);
if (ret)
return ret;
entry->vno = tmp;
ret = krb5_kt_ret_keyblock (cursor->fd, &entry->keyblock);
if (ret)
return ret;
return 0;
}
krb5_error_code