static kadm5_ret_t
kadm5_log_replay_create (kadm5_server_context *context,
uint32_t ver,
uint32_t len,
krb5_storage *sp)
{
krb5_error_code ret;
krb5_data data;
hdb_entry_ex ent;
memset(&ent, 0, sizeof(ent));
ret = krb5_data_alloc (&data, len);
if (ret) {
krb5_set_error_message(context->context, ret, "out of memory");
return ret;
}
krb5_storage_read (sp, data.data, len);
ret = hdb_value2entry (context->context, &data, &ent.entry);
krb5_data_free(&data);
if (ret) {
krb5_set_error_message(context->context, ret,
"Unmarshaling hdb entry failed");
return ret;
}
ret = context->db->hdb_store(context->context, context->db, 0, &ent);
hdb_free_entry (context->context, &ent);
return ret;
}
/*
* Should get the next entry, to allow iteration over all entries.
*/
static krb5_error_code
hdb_sqlite_nextkey(krb5_context context, HDB *db, unsigned flags,
hdb_entry_ex *entry)
{
krb5_error_code ret = 0;
int sqlite_error;
krb5_data value;
hdb_sqlite_db *hsdb = (hdb_sqlite_db *) db->hdb_db;
sqlite_error = hdb_sqlite_step(context, hsdb->db, hsdb->get_all_entries);
if(sqlite_error == SQLITE_ROW) {
/* Found an entry */
value.length = sqlite3_column_bytes(hsdb->get_all_entries, 0);
value.data = (void *) sqlite3_column_blob(hsdb->get_all_entries, 0);
memset(entry, 0, sizeof(*entry));
ret = hdb_value2entry(context, &value, &entry->entry);
}
else if(sqlite_error == SQLITE_DONE) {
/* No more entries */
ret = HDB_ERR_NOENTRY;
sqlite3_reset(hsdb->get_all_entries);
}
else {
ret = HDB_ERR_UK_RERROR;
krb5_set_error_message(context, HDB_ERR_UK_RERROR,
"SELECT failed after returning one or "
"more rows: %s", sqlite3_errmsg(hsdb->db));
}
return ret;
}
/*
* Should get the next entry, to allow iteration over all entries.
*/
static krb5_error_code
hdb_sqlite_nextkey(krb5_context context, HDB *db, unsigned flags,
hdb_entry_ex *entry)
{
krb5_error_code ret = 0;
int sqlite_error;
krb5_data value;
hdb_sqlite_db *hsdb = (hdb_sqlite_db *) db->hdb_db;
sqlite_error = hdb_sqlite_step(context, hsdb->db, hsdb->get_all_entries);
if(sqlite_error == SQLITE_ROW) {
/* Found an entry */
value.length = sqlite3_column_bytes(hsdb->get_all_entries, 0);
value.data = (void *) sqlite3_column_blob(hsdb->get_all_entries, 0);
memset(entry, 0, sizeof(*entry));
ret = hdb_value2entry(context, &value, &entry->entry);
}
else if(sqlite_error == SQLITE_DONE) {
/* No more entries */
ret = HDB_ERR_NOENTRY;
sqlite3_reset(hsdb->get_all_entries);
}
else {
/* XXX SQLite error. Should be handled in some way. */
ret = EINVAL;
}
return ret;
}
/**
* Retrieves an entry by searching for the given
* principal in the Principal database table, both
* for canonical principals and aliases.
*
* @param context The current krb5_context
* @param db Heimdal database handle
* @param principal The principal whose entry to search for
* @param flags Currently only for HDB_F_DECRYPT
*
* @return 0 if everything worked, an error code if not
*/
static krb5_error_code
hdb_sqlite_fetch(krb5_context context, HDB *db, krb5_const_principal principal,
unsigned flags, hdb_entry_ex *entry)
{
int sqlite_error;
krb5_error_code ret;
char *principal_string;
hdb_sqlite_db *hsdb = (hdb_sqlite_db*)(db->hdb_db);
sqlite3_stmt *fetch = hsdb->fetch;
krb5_data value;
ret = krb5_unparse_name(context, principal, &principal_string);
if (ret) {
free(principal_string);
return ret;
}
sqlite3_bind_text(fetch, 1, principal_string, -1, SQLITE_STATIC);
sqlite_error = hdb_sqlite_step(context, hsdb->db, fetch);
if (sqlite_error != SQLITE_ROW) {
if(sqlite_error == SQLITE_DONE) {
ret = HDB_ERR_NOENTRY;
goto out;
} else {
krb5_set_error_string(context,
"sqlite fetch failed: %d",
sqlite_error);
ret = EINVAL;
goto out;
}
}
if (db->hdb_master_key_set && (flags & HDB_F_DECRYPT)) {
ret = hdb_unseal_keys(context, db, &entry->entry);
if(ret) {
hdb_free_entry(context, entry);
goto out;
}
}
value.length = sqlite3_column_bytes(fetch, 0);
value.data = (void *) sqlite3_column_blob(fetch, 0);
ret = hdb_value2entry(context, &value, &entry->entry);
if(ret)
goto out;
ret = 0;
out:
sqlite3_clear_bindings(fetch);
sqlite3_reset(fetch);
free(principal_string);
return ret;
}
static krb5_error_code
DB_seq(krb5_context context, HDB *db,
unsigned flags, hdb_entry_ex *entry, int flag)
{
DB *d = (DB*)db->hdb_db;
DBT key, value;
krb5_data key_data, data;
int code;
code = db->hdb_lock(context, db, HDB_RLOCK);
if(code == -1) {
krb5_set_error_message(context, HDB_ERR_DB_INUSE, "Database %s in use", db->hdb_name);
return HDB_ERR_DB_INUSE;
}
code = (*d->seq)(d, &key, &value, flag);
db->hdb_unlock(context, db); /* XXX check value */
if(code == -1) {
code = errno;
krb5_set_error_message(context, code, "Database %s seq error: %s",
db->hdb_name, strerror(code));
return code;
}
if(code == 1) {
krb5_clear_error_message(context);
return HDB_ERR_NOENTRY;
}
key_data.data = key.data;
key_data.length = key.size;
data.data = value.data;
data.length = value.size;
memset(entry, 0, sizeof(*entry));
if (hdb_value2entry(context, &data, &entry->entry))
return DB_seq(context, db, flags, entry, R_NEXT);
if (db->hdb_master_key_set && (flags & HDB_F_DECRYPT)) {
code = hdb_unseal_keys (context, db, &entry->entry);
if (code)
hdb_free_entry (context, entry);
}
if (code == 0 && entry->entry.principal == NULL) {
entry->entry.principal = malloc(sizeof(*entry->entry.principal));
if (entry->entry.principal == NULL) {
code = ENOMEM;
krb5_set_error_message(context, code, "malloc: out of memory");
hdb_free_entry (context, entry);
} else {
hdb_key2principal(context, &key_data, entry->entry.principal);
}
}
return code;
}
static kadm5_ret_t
kadm5_log_replay_rename (kadm5_server_context *context,
uint32_t ver,
uint32_t len,
krb5_storage *sp)
{
krb5_error_code ret;
krb5_principal source;
hdb_entry_ex target_ent;
krb5_data value;
off_t off;
size_t princ_len, data_len;
memset(&target_ent, 0, sizeof(target_ent));
off = krb5_storage_seek(sp, 0, SEEK_CUR);
ret = krb5_ret_principal (sp, &source);
if (ret) {
krb5_set_error_message(context->context, ret, "Failed to read renamed "
"principal in log, version: %ld", (long)ver);
return ret;
}
princ_len = krb5_storage_seek(sp, 0, SEEK_CUR) - off;
data_len = len - princ_len;
ret = krb5_data_alloc (&value, data_len);
if (ret) {
krb5_free_principal (context->context, source);
return ret;
}
krb5_storage_read (sp, value.data, data_len);
ret = hdb_value2entry (context->context, &value, &target_ent.entry);
krb5_data_free(&value);
if (ret) {
krb5_free_principal (context->context, source);
return ret;
}
ret = context->db->hdb_store (context->context, context->db,
0, &target_ent);
hdb_free_entry (context->context, &target_ent);
if (ret) {
krb5_free_principal (context->context, source);
return ret;
}
ret = context->db->hdb_remove (context->context, context->db, source);
krb5_free_principal (context->context, source);
return ret;
}
static krb5_error_code
NDBM_seq(krb5_context context, HDB *db,
unsigned flags, hdb_entry_ex *entry, int first)
{
struct ndbm_db *d = (struct ndbm_db *)db->hdb_db;
datum key, value;
krb5_data key_data, data;
krb5_error_code ret = 0;
if(first)
key = dbm_firstkey(d->db);
else
key = dbm_nextkey(d->db);
if(key.dptr == NULL)
return HDB_ERR_NOENTRY;
key_data.data = key.dptr;
key_data.length = key.dsize;
ret = db->hdb_lock(context, db, HDB_RLOCK);
if(ret) return ret;
value = dbm_fetch(d->db, key);
db->hdb_unlock(context, db);
data.data = value.dptr;
data.length = value.dsize;
memset(entry, 0, sizeof(*entry));
if(hdb_value2entry(context, &data, &entry->entry))
return NDBM_seq(context, db, flags, entry, 0);
if (db->hdb_master_key_set && (flags & HDB_F_DECRYPT)) {
ret = hdb_unseal_keys (context, db, &entry->entry);
if (ret)
hdb_free_entry (context, entry);
}
if (ret == 0 && entry->entry.principal == NULL) {
entry->entry.principal = malloc (sizeof(*entry->entry.principal));
if (entry->entry.principal == NULL) {
hdb_free_entry (context, entry);
ret = ENOMEM;
krb5_set_error_message(context, ret, "malloc: out of memory");
} else {
hdb_key2principal (context, &key_data, entry->entry.principal);
}
}
return ret;
}
static krb5_error_code
DB_seq(krb5_context context, HDB *db,
unsigned flags, hdb_entry_ex *entry, int flag)
{
DBT key, value;
DBC *dbcp = db->hdb_dbc;
krb5_data key_data, data;
int code;
memset(&key, 0, sizeof(DBT));
memset(&value, 0, sizeof(DBT));
if ((*db->hdb_lock)(context, db, HDB_RLOCK))
return HDB_ERR_DB_INUSE;
code = (*dbcp->c_get)(dbcp, &key, &value, flag);
(*db->hdb_unlock)(context, db); /* XXX check value */
if (code == DB_NOTFOUND)
return HDB_ERR_NOENTRY;
if (code)
return code;
key_data.data = key.data;
key_data.length = key.size;
data.data = value.data;
data.length = value.size;
memset(entry, 0, sizeof(*entry));
if (hdb_value2entry(context, &data, &entry->entry))
return DB_seq(context, db, flags, entry, DB_NEXT);
if (db->hdb_master_key_set && (flags & HDB_F_DECRYPT)) {
code = hdb_unseal_keys (context, db, &entry->entry);
if (code)
hdb_free_entry (context, entry);
}
if (entry->entry.principal == NULL) {
entry->entry.principal = malloc(sizeof(*entry->entry.principal));
if (entry->entry.principal == NULL) {
hdb_free_entry (context, entry);
krb5_set_error_string(context, "malloc: out of memory");
return ENOMEM;
} else {
hdb_key2principal(context, &key_data, entry->entry.principal);
}
}
return 0;
}
kadm5_ret_t
kadm5_log_replay_rename (kadm5_server_context *context,
u_int32_t ver,
u_int32_t len,
krb5_storage *sp)
{
krb5_error_code ret;
krb5_principal source;
hdb_entry source_ent, target_ent;
krb5_data value;
off_t off;
size_t princ_len, data_len;
off = krb5_storage_seek(sp, 0, SEEK_CUR);
krb5_ret_principal (sp, &source);
princ_len = krb5_storage_seek(sp, 0, SEEK_CUR) - off;
data_len = len - princ_len;
ret = krb5_data_alloc (&value, data_len);
if (ret) {
krb5_free_principal (context->context, source);
return ret;
}
krb5_storage_read (sp, value.data, data_len);
ret = hdb_value2entry (context->context, &value, &target_ent);
krb5_data_free(&value);
if (ret) {
krb5_free_principal (context->context, source);
return ret;
}
ret = context->db->hdb_store (context->context, context->db,
0, &target_ent);
hdb_free_entry (context->context, &target_ent);
if (ret) {
krb5_free_principal (context->context, source);
return ret;
}
source_ent.principal = source;
ret = context->db->hdb_remove (context->context, context->db, &source_ent);
krb5_free_principal (context->context, source);
return ret;
}
kadm5_ret_t
kadm5_log_replay_create (kadm5_server_context *context,
u_int32_t ver,
u_int32_t len,
krb5_storage *sp)
{
krb5_error_code ret;
krb5_data data;
hdb_entry ent;
ret = krb5_data_alloc (&data, len);
if (ret)
return ret;
krb5_storage_read (sp, data.data, len);
ret = hdb_value2entry (context->context, &data, &ent);
krb5_data_free(&data);
if (ret)
return ret;
ret = context->db->hdb_store(context->context, context->db, 0, &ent);
hdb_free_entry (context->context, &ent);
return ret;
}
static void
print_entry(kadm5_server_context *server_context,
uint32_t ver,
time_t timestamp,
enum kadm_ops op,
uint32_t len,
krb5_storage *sp,
void *ctx)
{
char t[256];
int32_t mask;
hdb_entry ent;
krb5_principal source;
char *name1, *name2;
krb5_data data;
krb5_context scontext = server_context->context;
off_t end = krb5_storage_seek(sp, 0, SEEK_CUR) + len;
krb5_error_code ret;
strftime(t, sizeof(t), "%Y-%m-%d %H:%M:%S", localtime(×tamp));
if((int)op < (int)kadm_get || (int)op > (int)kadm_nop) {
printf("unknown op: %d\n", op);
krb5_storage_seek(sp, end, SEEK_SET);
return;
}
printf ("%s: ver = %u, timestamp = %s, len = %u\n",
op_names[op], ver, t, len);
switch(op) {
case kadm_delete:
krb5_ret_principal(sp, &source);
krb5_unparse_name(scontext, source, &name1);
printf(" %s\n", name1);
free(name1);
krb5_free_principal(scontext, source);
break;
case kadm_rename:
ret = krb5_data_alloc(&data, len);
if (ret)
krb5_err (scontext, 1, ret, "kadm_rename: data alloc: %d", len);
krb5_ret_principal(sp, &source);
krb5_storage_read(sp, data.data, data.length);
hdb_value2entry(scontext, &data, &ent);
krb5_unparse_name(scontext, source, &name1);
krb5_unparse_name(scontext, ent.principal, &name2);
printf(" %s -> %s\n", name1, name2);
free(name1);
free(name2);
krb5_free_principal(scontext, source);
free_hdb_entry(&ent);
break;
case kadm_create:
ret = krb5_data_alloc(&data, len);
if (ret)
krb5_err (scontext, 1, ret, "kadm_create: data alloc: %d", len);
krb5_storage_read(sp, data.data, data.length);
ret = hdb_value2entry(scontext, &data, &ent);
if(ret)
abort();
mask = ~0;
goto foo;
case kadm_modify:
ret = krb5_data_alloc(&data, len);
if (ret)
krb5_err (scontext, 1, ret, "kadm_modify: data alloc: %d", len);
krb5_ret_int32(sp, &mask);
krb5_storage_read(sp, data.data, data.length);
ret = hdb_value2entry(scontext, &data, &ent);
if(ret)
abort();
foo:
if(ent.principal /* mask & KADM5_PRINCIPAL */) {
krb5_unparse_name(scontext, ent.principal, &name1);
printf(" principal = %s\n", name1);
free(name1);
}
if(mask & KADM5_PRINC_EXPIRE_TIME) {
if(ent.valid_end == NULL) {
strlcpy(t, "never", sizeof(t));
} else {
strftime(t, sizeof(t), "%Y-%m-%d %H:%M:%S",
localtime(ent.valid_end));
}
printf(" expires = %s\n", t);
}
if(mask & KADM5_PW_EXPIRATION) {
if(ent.pw_end == NULL) {
strlcpy(t, "never", sizeof(t));
} else {
strftime(t, sizeof(t), "%Y-%m-%d %H:%M:%S",
localtime(ent.pw_end));
}
printf(" password exp = %s\n", t);
}
if(mask & KADM5_LAST_PWD_CHANGE) {
}
if(mask & KADM5_ATTRIBUTES) {
unparse_flags(HDBFlags2int(ent.flags),
asn1_HDBFlags_units(), t, sizeof(t));
printf(" attributes = %s\n", t);
}
if(mask & KADM5_MAX_LIFE) {
if(ent.max_life == NULL)
strlcpy(t, "for ever", sizeof(t));
else
unparse_time(*ent.max_life, t, sizeof(t));
printf(" max life = %s\n", t);
}
if(mask & KADM5_MAX_RLIFE) {
if(ent.max_renew == NULL)
strlcpy(t, "for ever", sizeof(t));
else
unparse_time(*ent.max_renew, t, sizeof(t));
printf(" max rlife = %s\n", t);
}
if(mask & KADM5_MOD_TIME) {
printf(" mod time\n");
}
if(mask & KADM5_MOD_NAME) {
printf(" mod name\n");
}
if(mask & KADM5_KVNO) {
printf(" kvno = %d\n", ent.kvno);
}
if(mask & KADM5_MKVNO) {
printf(" mkvno\n");
}
if(mask & KADM5_AUX_ATTRIBUTES) {
printf(" aux attributes\n");
}
if(mask & KADM5_POLICY) {
printf(" policy\n");
}
if(mask & KADM5_POLICY_CLR) {
printf(" mod time\n");
}
if(mask & KADM5_LAST_SUCCESS) {
printf(" last success\n");
}
if(mask & KADM5_LAST_FAILED) {
printf(" last failed\n");
}
if(mask & KADM5_FAIL_AUTH_COUNT) {
printf(" fail auth count\n");
}
if(mask & KADM5_KEY_DATA) {
printf(" key data\n");
}
if(mask & KADM5_TL_DATA) {
printf(" tl data\n");
}
free_hdb_entry(&ent);
break;
case kadm_nop :
break;
default:
abort();
}
krb5_storage_seek(sp, end, SEEK_SET);
}
static kadm5_ret_t
kadm5_log_replay_modify (kadm5_server_context *context,
uint32_t ver,
uint32_t len,
krb5_storage *sp)
{
krb5_error_code ret;
int32_t mask;
krb5_data value;
hdb_entry_ex ent, log_ent;
memset(&log_ent, 0, sizeof(log_ent));
krb5_ret_int32 (sp, &mask);
len -= 4;
ret = krb5_data_alloc (&value, len);
if (ret) {
krb5_set_error_message(context->context, ret, "out of memory");
return ret;
}
krb5_storage_read (sp, value.data, len);
ret = hdb_value2entry (context->context, &value, &log_ent.entry);
krb5_data_free(&value);
if (ret)
return ret;
memset(&ent, 0, sizeof(ent));
ret = context->db->hdb_fetch_kvno(context->context, context->db,
log_ent.entry.principal,
HDB_F_DECRYPT|HDB_F_ALL_KVNOS|
HDB_F_GET_ANY|HDB_F_ADMIN_DATA, 0, &ent);
if (ret)
goto out;
if (mask & KADM5_PRINC_EXPIRE_TIME) {
if (log_ent.entry.valid_end == NULL) {
ent.entry.valid_end = NULL;
} else {
if (ent.entry.valid_end == NULL) {
ent.entry.valid_end = malloc(sizeof(*ent.entry.valid_end));
if (ent.entry.valid_end == NULL) {
ret = ENOMEM;
krb5_set_error_message(context->context, ret, "out of memory");
goto out;
}
}
*ent.entry.valid_end = *log_ent.entry.valid_end;
}
}
if (mask & KADM5_PW_EXPIRATION) {
if (log_ent.entry.pw_end == NULL) {
ent.entry.pw_end = NULL;
} else {
if (ent.entry.pw_end == NULL) {
ent.entry.pw_end = malloc(sizeof(*ent.entry.pw_end));
if (ent.entry.pw_end == NULL) {
ret = ENOMEM;
krb5_set_error_message(context->context, ret, "out of memory");
goto out;
}
}
*ent.entry.pw_end = *log_ent.entry.pw_end;
}
}
if (mask & KADM5_LAST_PWD_CHANGE) {
abort (); /* XXX */
}
if (mask & KADM5_ATTRIBUTES) {
ent.entry.flags = log_ent.entry.flags;
}
if (mask & KADM5_MAX_LIFE) {
if (log_ent.entry.max_life == NULL) {
ent.entry.max_life = NULL;
} else {
if (ent.entry.max_life == NULL) {
ent.entry.max_life = malloc (sizeof(*ent.entry.max_life));
if (ent.entry.max_life == NULL) {
ret = ENOMEM;
krb5_set_error_message(context->context, ret, "out of memory");
goto out;
}
}
*ent.entry.max_life = *log_ent.entry.max_life;
}
}
if ((mask & KADM5_MOD_TIME) && (mask & KADM5_MOD_NAME)) {
if (ent.entry.modified_by == NULL) {
ent.entry.modified_by = malloc(sizeof(*ent.entry.modified_by));
if (ent.entry.modified_by == NULL) {
ret = ENOMEM;
krb5_set_error_message(context->context, ret, "out of memory");
goto out;
}
} else
free_Event(ent.entry.modified_by);
ret = copy_Event(log_ent.entry.modified_by, ent.entry.modified_by);
if (ret) {
krb5_set_error_message(context->context, ret, "out of memory");
goto out;
}
}
if (mask & KADM5_KVNO) {
ent.entry.kvno = log_ent.entry.kvno;
}
if (mask & KADM5_MKVNO) {
abort (); /* XXX */
}
if (mask & KADM5_AUX_ATTRIBUTES) {
abort (); /* XXX */
}
if (mask & KADM5_POLICY) {
abort (); /* XXX */
}
if (mask & KADM5_POLICY_CLR) {
abort (); /* XXX */
}
if (mask & KADM5_MAX_RLIFE) {
if (log_ent.entry.max_renew == NULL) {
ent.entry.max_renew = NULL;
} else {
if (ent.entry.max_renew == NULL) {
ent.entry.max_renew = malloc (sizeof(*ent.entry.max_renew));
if (ent.entry.max_renew == NULL) {
ret = ENOMEM;
krb5_set_error_message(context->context, ret, "out of memory");
goto out;
}
}
*ent.entry.max_renew = *log_ent.entry.max_renew;
}
}
if (mask & KADM5_LAST_SUCCESS) {
abort (); /* XXX */
}
if (mask & KADM5_LAST_FAILED) {
abort (); /* XXX */
}
if (mask & KADM5_FAIL_AUTH_COUNT) {
abort (); /* XXX */
}
if (mask & KADM5_KEY_DATA) {
size_t num;
size_t i;
/*
* We don't need to do anything about key history here because
* we always log KADM5_TL_DATA when we change keys/passwords, so
* the code below this will handle key history implicitly.
* However, if we had to, the code to handle key history here
* would look like this:
*
* HDB_extension *ext;
* ...
* ext = hdb_find_extension(&log_ent.entry,
* choice_HDB_extension_data_hist_keys);
* if (ext);
* ret = hdb_replace_extension(context->context, &ent.entry, ext);
* else
* ret = hdb_clear_extension(context->context, &ent.entry,
* choice_HDB_extension_data_hist_keys);
*
* Maybe we should do this here anyways, wasteful as it would
* be, as a defensive programming measure? For now we heim_assert().
*/
heim_assert((mask & KADM5_TL_DATA),
"Wouldn't log and replay key history");
for (i = 0; i < ent.entry.keys.len; ++i)
free_Key(&ent.entry.keys.val[i]);
free (ent.entry.keys.val);
num = log_ent.entry.keys.len;
ent.entry.keys.len = num;
ent.entry.keys.val = malloc(len * sizeof(*ent.entry.keys.val));
if (ent.entry.keys.val == NULL) {
krb5_set_error_message(context->context, ENOMEM, "out of memory");
return ENOMEM;
}
for (i = 0; i < ent.entry.keys.len; ++i) {
ret = copy_Key(&log_ent.entry.keys.val[i],
&ent.entry.keys.val[i]);
if (ret) {
krb5_set_error_message(context->context, ret, "out of memory");
goto out;
}
}
}
if ((mask & KADM5_TL_DATA) && log_ent.entry.extensions) {
HDB_extensions *es = ent.entry.extensions;
ent.entry.extensions = calloc(1, sizeof(*ent.entry.extensions));
if (ent.entry.extensions == NULL)
goto out;
ret = copy_HDB_extensions(log_ent.entry.extensions,
ent.entry.extensions);
if (ret) {
krb5_set_error_message(context->context, ret, "out of memory");
free(ent.entry.extensions);
ent.entry.extensions = es;
goto out;
}
if (es) {
free_HDB_extensions(es);
free(es);
}
}
ret = context->db->hdb_store(context->context, context->db,
HDB_F_REPLACE, &ent);
out:
hdb_free_entry (context->context, &ent);
hdb_free_entry (context->context, &log_ent);
return ret;
}
int
main(int argc, char **argv)
{
krb5_error_code ret;
krb5_context context;
krb5_auth_context ac = NULL;
krb5_principal c1, c2;
krb5_authenticator authent;
krb5_keytab keytab;
krb5_socket_t sock = rk_INVALID_SOCKET;
HDB *db = NULL;
int optidx = 0;
char *tmp_db;
krb5_log_facility *fac;
int nprincs;
setprogname(argv[0]);
ret = krb5_init_context(&context);
if(ret)
exit(1);
ret = krb5_openlog(context, "hpropd", &fac);
if(ret)
errx(1, "krb5_openlog");
krb5_set_warn_dest(context, fac);
if(getarg(args, num_args, argc, argv, &optidx))
usage(1);
if(local_realm != NULL)
krb5_set_default_realm(context, local_realm);
if(help_flag)
usage(0);
if(version_flag) {
print_version(NULL);
exit(0);
}
argc -= optidx;
argv += optidx;
if (argc != 0)
usage(1);
if (database == NULL)
database = hdb_default_db(context);
if(from_stdin) {
sock = STDIN_FILENO;
} else {
struct sockaddr_storage ss;
struct sockaddr *sa = (struct sockaddr *)&ss;
socklen_t sin_len = sizeof(ss);
char addr_name[256];
krb5_ticket *ticket;
char *server;
sock = STDIN_FILENO;
#ifdef SUPPORT_INETD
if (inetd_flag == -1) {
if (getpeername (sock, sa, &sin_len) < 0) {
inetd_flag = 0;
} else {
inetd_flag = 1;
}
}
#else
inetd_flag = 0;
#endif
if (!inetd_flag) {
mini_inetd (krb5_getportbyname (context, "hprop", "tcp",
HPROP_PORT), &sock);
}
sin_len = sizeof(ss);
if(getpeername(sock, sa, &sin_len) < 0)
krb5_err(context, 1, errno, "getpeername");
if (inet_ntop(sa->sa_family,
socket_get_address (sa),
addr_name,
sizeof(addr_name)) == NULL)
strlcpy (addr_name, "unknown address",
sizeof(addr_name));
krb5_log(context, fac, 0, "Connection from %s", addr_name);
ret = krb5_kt_register(context, &hdb_kt_ops);
if(ret)
krb5_err(context, 1, ret, "krb5_kt_register");
if (ktname != NULL) {
ret = krb5_kt_resolve(context, ktname, &keytab);
if (ret)
krb5_err (context, 1, ret, "krb5_kt_resolve %s", ktname);
} else {
ret = krb5_kt_default (context, &keytab);
if (ret)
krb5_err (context, 1, ret, "krb5_kt_default");
}
ret = krb5_recvauth(context, &ac, &sock, HPROP_VERSION, NULL,
0, keytab, &ticket);
if(ret)
krb5_err(context, 1, ret, "krb5_recvauth");
ret = krb5_unparse_name(context, ticket->server, &server);
if (ret)
krb5_err(context, 1, ret, "krb5_unparse_name");
if (strncmp(server, "hprop/", 5) != 0)
krb5_errx(context, 1, "ticket not for hprop (%s)", server);
free(server);
krb5_free_ticket (context, ticket);
ret = krb5_auth_con_getauthenticator(context, ac, &authent);
if(ret)
krb5_err(context, 1, ret, "krb5_auth_con_getauthenticator");
ret = krb5_make_principal(context, &c1, NULL, "kadmin", "hprop", NULL);
if(ret)
krb5_err(context, 1, ret, "krb5_make_principal");
_krb5_principalname2krb5_principal(context, &c2,
authent->cname, authent->crealm);
if(!krb5_principal_compare(context, c1, c2)) {
char *s;
ret = krb5_unparse_name(context, c2, &s);
if (ret)
s = unparseable_name;
krb5_errx(context, 1, "Unauthorized connection from %s", s);
}
krb5_free_principal(context, c1);
krb5_free_principal(context, c2);
ret = krb5_kt_close(context, keytab);
if(ret)
krb5_err(context, 1, ret, "krb5_kt_close");
}
if(!print_dump) {
asprintf(&tmp_db, "%s~", database);
ret = hdb_create(context, &db, tmp_db);
if(ret)
krb5_err(context, 1, ret, "hdb_create(%s)", tmp_db);
ret = db->hdb_open(context, db, O_RDWR | O_CREAT | O_TRUNC, 0600);
if(ret)
krb5_err(context, 1, ret, "hdb_open(%s)", tmp_db);
}
nprincs = 0;
while(1){
krb5_data data;
hdb_entry_ex entry;
if(from_stdin) {
ret = krb5_read_message(context, &sock, &data);
if(ret != 0 && ret != HEIM_ERR_EOF)
krb5_err(context, 1, ret, "krb5_read_message");
} else {
ret = krb5_read_priv_message(context, ac, &sock, &data);
if(ret)
krb5_err(context, 1, ret, "krb5_read_priv_message");
}
if(ret == HEIM_ERR_EOF || data.length == 0) {
if(!from_stdin) {
data.data = NULL;
data.length = 0;
krb5_write_priv_message(context, ac, &sock, &data);
}
if(!print_dump) {
ret = db->hdb_close(context, db);
if(ret)
krb5_err(context, 1, ret, "db_close");
ret = db->hdb_rename(context, db, database);
if(ret)
krb5_err(context, 1, ret, "db_rename");
}
break;
}
memset(&entry, 0, sizeof(entry));
ret = hdb_value2entry(context, &data, &entry.entry);
krb5_data_free(&data);
if(ret)
krb5_err(context, 1, ret, "hdb_value2entry");
if(print_dump)
hdb_print_entry(context, db, &entry, stdout);
else {
ret = db->hdb_store(context, db, 0, &entry);
if(ret == HDB_ERR_EXISTS) {
char *s;
ret = krb5_unparse_name(context, entry.entry.principal, &s);
if (ret)
s = strdup(unparseable_name);
krb5_warnx(context, "Entry exists: %s", s);
free(s);
} else if(ret)
krb5_err(context, 1, ret, "db_store");
else
nprincs++;
}
hdb_free_entry(context, &entry);
}
if (!print_dump)
krb5_log(context, fac, 0, "Received %d principals", nprincs);
if (inetd_flag == 0)
rk_closesocket(sock);
exit(0);
}
kadm5_ret_t
kadm5_log_replay_modify (kadm5_server_context *context,
u_int32_t ver,
u_int32_t len,
krb5_storage *sp)
{
krb5_error_code ret;
int32_t mask;
krb5_data value;
hdb_entry ent, log_ent;
krb5_ret_int32 (sp, &mask);
len -= 4;
ret = krb5_data_alloc (&value, len);
if (ret)
return ret;
krb5_storage_read (sp, value.data, len);
ret = hdb_value2entry (context->context, &value, &log_ent);
krb5_data_free(&value);
if (ret)
return ret;
ent.principal = log_ent.principal;
log_ent.principal = NULL;
ret = context->db->hdb_fetch(context->context, context->db,
HDB_F_DECRYPT, &ent);
if (ret)
return ret;
if (mask & KADM5_PRINC_EXPIRE_TIME) {
if (log_ent.valid_end == NULL) {
ent.valid_end = NULL;
} else {
if (ent.valid_end == NULL)
ent.valid_end = malloc(sizeof(*ent.valid_end));
*ent.valid_end = *log_ent.valid_end;
}
}
if (mask & KADM5_PW_EXPIRATION) {
if (log_ent.pw_end == NULL) {
ent.pw_end = NULL;
} else {
if (ent.pw_end == NULL)
ent.pw_end = malloc(sizeof(*ent.pw_end));
*ent.pw_end = *log_ent.pw_end;
}
}
if (mask & KADM5_LAST_PWD_CHANGE) {
abort (); /* XXX */
}
if (mask & KADM5_ATTRIBUTES) {
ent.flags = log_ent.flags;
}
if (mask & KADM5_MAX_LIFE) {
if (log_ent.max_life == NULL) {
ent.max_life = NULL;
} else {
if (ent.max_life == NULL)
ent.max_life = malloc (sizeof(*ent.max_life));
*ent.max_life = *log_ent.max_life;
}
}
if ((mask & KADM5_MOD_TIME) && (mask & KADM5_MOD_NAME)) {
if (ent.modified_by == NULL) {
ent.modified_by = malloc(sizeof(*ent.modified_by));
} else
free_Event(ent.modified_by);
copy_Event(log_ent.modified_by, ent.modified_by);
}
if (mask & KADM5_KVNO) {
ent.kvno = log_ent.kvno;
}
if (mask & KADM5_MKVNO) {
abort (); /* XXX */
}
if (mask & KADM5_AUX_ATTRIBUTES) {
abort (); /* XXX */
}
if (mask & KADM5_POLICY) {
abort (); /* XXX */
}
if (mask & KADM5_POLICY_CLR) {
abort (); /* XXX */
}
if (mask & KADM5_MAX_RLIFE) {
if (log_ent.max_renew == NULL) {
ent.max_renew = NULL;
} else {
if (ent.max_renew == NULL)
ent.max_renew = malloc (sizeof(*ent.max_renew));
*ent.max_renew = *log_ent.max_renew;
}
}
if (mask & KADM5_LAST_SUCCESS) {
abort (); /* XXX */
}
if (mask & KADM5_LAST_FAILED) {
abort (); /* XXX */
}
if (mask & KADM5_FAIL_AUTH_COUNT) {
abort (); /* XXX */
}
if (mask & KADM5_KEY_DATA) {
size_t len;
int i;
for (i = 0; i < ent.keys.len; ++i)
free_Key(&ent.keys.val[i]);
free (ent.keys.val);
len = log_ent.keys.len;
ent.keys.len = len;
ent.keys.val = malloc(len * sizeof(*ent.keys.val));
for (i = 0; i < ent.keys.len; ++i)
copy_Key(&log_ent.keys.val[i],
&ent.keys.val[i]);
}
ret = context->db->hdb_store(context->context, context->db,
HDB_F_REPLACE, &ent);
hdb_free_entry (context->context, &ent);
hdb_free_entry (context->context, &log_ent);
return ret;
}
static kadm5_ret_t
kadm5_log_replay_modify (kadm5_server_context *context,
uint32_t ver,
uint32_t len,
krb5_storage *sp)
{
krb5_error_code ret;
int32_t mask;
krb5_data value;
hdb_entry_ex ent, log_ent;
memset(&log_ent, 0, sizeof(log_ent));
krb5_ret_int32 (sp, &mask);
len -= 4;
ret = krb5_data_alloc (&value, len);
if (ret) {
krb5_set_error_message(context->context, ret, "out of memory");
return ret;
}
krb5_storage_read (sp, value.data, len);
ret = hdb_value2entry (context->context, &value, &log_ent.entry);
krb5_data_free(&value);
if (ret)
return ret;
memset(&ent, 0, sizeof(ent));
ret = context->db->hdb_fetch_kvno(context->context, context->db,
log_ent.entry.principal,
HDB_F_DECRYPT|HDB_F_GET_ANY|HDB_F_ADMIN_DATA, 0, &ent);
if (ret)
goto out;
if (mask & KADM5_PRINC_EXPIRE_TIME) {
if (log_ent.entry.valid_end == NULL) {
ent.entry.valid_end = NULL;
} else {
if (ent.entry.valid_end == NULL) {
ent.entry.valid_end = malloc(sizeof(*ent.entry.valid_end));
if (ent.entry.valid_end == NULL) {
ret = ENOMEM;
krb5_set_error_message(context->context, ret, "out of memory");
goto out;
}
}
*ent.entry.valid_end = *log_ent.entry.valid_end;
}
}
if (mask & KADM5_PW_EXPIRATION) {
if (log_ent.entry.pw_end == NULL) {
ent.entry.pw_end = NULL;
} else {
if (ent.entry.pw_end == NULL) {
ent.entry.pw_end = malloc(sizeof(*ent.entry.pw_end));
if (ent.entry.pw_end == NULL) {
ret = ENOMEM;
krb5_set_error_message(context->context, ret, "out of memory");
goto out;
}
}
*ent.entry.pw_end = *log_ent.entry.pw_end;
}
}
if (mask & KADM5_LAST_PWD_CHANGE) {
abort (); /* XXX */
}
if (mask & KADM5_ATTRIBUTES) {
ent.entry.flags = log_ent.entry.flags;
}
if (mask & KADM5_MAX_LIFE) {
if (log_ent.entry.max_life == NULL) {
ent.entry.max_life = NULL;
} else {
if (ent.entry.max_life == NULL) {
ent.entry.max_life = malloc (sizeof(*ent.entry.max_life));
if (ent.entry.max_life == NULL) {
ret = ENOMEM;
krb5_set_error_message(context->context, ret, "out of memory");
goto out;
}
}
*ent.entry.max_life = *log_ent.entry.max_life;
}
}
if ((mask & KADM5_MOD_TIME) && (mask & KADM5_MOD_NAME)) {
if (ent.entry.modified_by == NULL) {
ent.entry.modified_by = malloc(sizeof(*ent.entry.modified_by));
if (ent.entry.modified_by == NULL) {
ret = ENOMEM;
krb5_set_error_message(context->context, ret, "out of memory");
goto out;
}
} else
free_Event(ent.entry.modified_by);
ret = copy_Event(log_ent.entry.modified_by, ent.entry.modified_by);
if (ret) {
krb5_set_error_message(context->context, ret, "out of memory");
goto out;
}
}
if (mask & KADM5_KVNO) {
ent.entry.kvno = log_ent.entry.kvno;
}
if (mask & KADM5_MKVNO) {
abort (); /* XXX */
}
if (mask & KADM5_AUX_ATTRIBUTES) {
abort (); /* XXX */
}
if (mask & KADM5_POLICY) {
abort (); /* XXX */
}
if (mask & KADM5_POLICY_CLR) {
abort (); /* XXX */
}
if (mask & KADM5_MAX_RLIFE) {
if (log_ent.entry.max_renew == NULL) {
ent.entry.max_renew = NULL;
} else {
if (ent.entry.max_renew == NULL) {
ent.entry.max_renew = malloc (sizeof(*ent.entry.max_renew));
if (ent.entry.max_renew == NULL) {
ret = ENOMEM;
krb5_set_error_message(context->context, ret, "out of memory");
goto out;
}
}
*ent.entry.max_renew = *log_ent.entry.max_renew;
}
}
if (mask & KADM5_LAST_SUCCESS) {
abort (); /* XXX */
}
if (mask & KADM5_LAST_FAILED) {
abort (); /* XXX */
}
if (mask & KADM5_FAIL_AUTH_COUNT) {
abort (); /* XXX */
}
if (mask & KADM5_KEY_DATA) {
size_t num;
int i;
for (i = 0; i < ent.entry.keys.len; ++i)
free_Key(&ent.entry.keys.val[i]);
free (ent.entry.keys.val);
num = log_ent.entry.keys.len;
ent.entry.keys.len = num;
ent.entry.keys.val = malloc(len * sizeof(*ent.entry.keys.val));
if (ent.entry.keys.val == NULL) {
krb5_set_error_message(context->context, ENOMEM, "out of memory");
return ENOMEM;
}
for (i = 0; i < ent.entry.keys.len; ++i) {
ret = copy_Key(&log_ent.entry.keys.val[i],
&ent.entry.keys.val[i]);
if (ret) {
krb5_set_error_message(context->context, ret, "out of memory");
goto out;
}
}
}
if ((mask & KADM5_TL_DATA) && log_ent.entry.extensions) {
HDB_extensions *es = ent.entry.extensions;
ent.entry.extensions = calloc(1, sizeof(*ent.entry.extensions));
if (ent.entry.extensions == NULL)
goto out;
ret = copy_HDB_extensions(log_ent.entry.extensions,
ent.entry.extensions);
if (ret) {
krb5_set_error_message(context->context, ret, "out of memory");
free(ent.entry.extensions);
ent.entry.extensions = es;
goto out;
}
if (es) {
free_HDB_extensions(es);
free(es);
}
}
ret = context->db->hdb_store(context->context, context->db,
HDB_F_REPLACE, &ent);
out:
hdb_free_entry (context->context, &ent);
hdb_free_entry (context->context, &log_ent);
return ret;
}
/**
* Retrieves an entry by searching for the given
* principal in the Principal database table, both
* for canonical principals and aliases.
*
* @param context The current krb5_context
* @param db Heimdal database handle
* @param principal The principal whose entry to search for
* @param flags Currently only for HDB_F_DECRYPT
* @param kvno kvno to fetch is HDB_F_KVNO_SPECIFIED use used
*
* @return 0 if everything worked, an error code if not
*/
static krb5_error_code
hdb_sqlite_fetch_kvno(krb5_context context, HDB *db, krb5_const_principal principal,
unsigned flags, krb5_kvno kvno, hdb_entry_ex *entry)
{
int sqlite_error;
krb5_error_code ret;
hdb_sqlite_db *hsdb = (hdb_sqlite_db*)(db->hdb_db);
sqlite3_stmt *fetch = hsdb->fetch;
krb5_data value;
krb5_principal enterprise_principal = NULL;
if (principal->name.name_type == KRB5_NT_ENTERPRISE_PRINCIPAL) {
if (principal->name.name_string.len != 1) {
ret = KRB5_PARSE_MALFORMED;
krb5_set_error_message(context, ret, "malformed principal: "
"enterprise name with %d name components",
principal->name.name_string.len);
return ret;
}
ret = krb5_parse_name(context, principal->name.name_string.val[0],
&enterprise_principal);
if (ret)
return ret;
principal = enterprise_principal;
}
ret = bind_principal(context, principal, fetch, 1);
if (ret)
return ret;
krb5_free_principal(context, enterprise_principal);
sqlite_error = hdb_sqlite_step(context, hsdb->db, fetch);
if (sqlite_error != SQLITE_ROW) {
if(sqlite_error == SQLITE_DONE) {
ret = HDB_ERR_NOENTRY;
goto out;
} else {
ret = HDB_ERR_UK_RERROR;
krb5_set_error_message(context, ret,
"sqlite fetch failed: %d",
sqlite_error);
goto out;
}
}
value.length = sqlite3_column_bytes(fetch, 0);
value.data = (void *) sqlite3_column_blob(fetch, 0);
ret = hdb_value2entry(context, &value, &entry->entry);
if(ret)
goto out;
if (db->hdb_master_key_set && (flags & HDB_F_DECRYPT)) {
ret = hdb_unseal_keys(context, db, &entry->entry);
if(ret) {
hdb_free_entry(context, entry);
goto out;
}
}
ret = 0;
out:
sqlite3_clear_bindings(fetch);
sqlite3_reset(fetch);
return ret;
}
static krb5_error_code
receive_everything (krb5_context context, int fd,
kadm5_server_context *server_context,
krb5_auth_context auth_context)
{
int ret;
krb5_data data;
int32_t vno = 0;
int32_t opcode;
krb5_storage *sp;
char *dbname;
HDB *mydb;
krb5_warnx(context, "receive complete database");
asprintf(&dbname, "%s-NEW", server_context->db->hdb_name);
ret = hdb_create(context, &mydb, dbname);
if(ret)
krb5_err(context,1, ret, "hdb_create");
free(dbname);
ret = hdb_set_master_keyfile (context,
mydb, server_context->config.stash_file);
if(ret)
krb5_err(context,1, ret, "hdb_set_master_keyfile");
/* I really want to use O_EXCL here, but given that I can't easily clean
up on error, I won't */
ret = mydb->hdb_open(context, mydb, O_RDWR | O_CREAT | O_TRUNC, 0600);
if (ret)
krb5_err (context, 1, ret, "db->open");
sp = NULL;
do {
ret = krb5_read_priv_message(context, auth_context, &fd, &data);
if (ret) {
krb5_warn (context, ret, "krb5_read_priv_message");
goto cleanup;
}
sp = krb5_storage_from_data (&data);
if (sp == NULL)
krb5_errx (context, 1, "krb5_storage_from_data");
krb5_ret_int32 (sp, &opcode);
if (opcode == ONE_PRINC) {
krb5_data fake_data;
hdb_entry_ex entry;
krb5_storage_free(sp);
fake_data.data = (char *)data.data + 4;
fake_data.length = data.length - 4;
memset(&entry, 0, sizeof(entry));
ret = hdb_value2entry (context, &fake_data, &entry.entry);
if (ret)
krb5_err (context, 1, ret, "hdb_value2entry");
ret = mydb->hdb_store(server_context->context,
mydb,
0, &entry);
if (ret)
krb5_err (context, 1, ret, "hdb_store");
hdb_free_entry (context, &entry);
krb5_data_free (&data);
} else if (opcode == NOW_YOU_HAVE)
;
else
krb5_errx (context, 1, "strange opcode %d", opcode);
} while (opcode == ONE_PRINC);
if (opcode != NOW_YOU_HAVE)
krb5_errx (context, 1, "receive_everything: strange %d", opcode);
krb5_ret_int32 (sp, &vno);
krb5_storage_free(sp);
ret = kadm5_log_reinit (server_context);
if (ret)
krb5_err(context, 1, ret, "kadm5_log_reinit");
ret = kadm5_log_set_version (server_context, vno - 1);
if (ret)
krb5_err (context, 1, ret, "kadm5_log_set_version");
ret = kadm5_log_nop (server_context);
if (ret)
krb5_err (context, 1, ret, "kadm5_log_nop");
ret = mydb->hdb_rename (context, mydb, server_context->db->hdb_name);
if (ret)
krb5_err (context, 1, ret, "db->rename");
cleanup:
krb5_data_free (&data);
ret = mydb->hdb_close (context, mydb);
if (ret)
krb5_err (context, 1, ret, "db->close");
ret = mydb->hdb_destroy (context, mydb);
if (ret)
krb5_err (context, 1, ret, "db->destroy");
krb5_warnx(context, "receive complete database, version %ld", (long)vno);
return ret;
}
