kadm5_ret_t
kadm5_log_truncate (kadm5_server_context *server_context)
{
kadm5_ret_t ret;
u_int32_t vno;
ret = kadm5_log_init (server_context);
if (ret)
return ret;
ret = kadm5_log_get_version (server_context, &vno);
if (ret)
return ret;
ret = kadm5_log_reinit (server_context);
if (ret)
return ret;
ret = kadm5_log_set_version (server_context, vno + 1);
if (ret)
return ret;
ret = kadm5_log_nop (server_context);
if (ret)
return ret;
ret = kadm5_log_end (server_context);
if (ret)
return ret;
return 0;
}
static void
reinit_log(krb5_context context,
kadm5_server_context *server_context,
uint32_t vno)
{
krb5_error_code ret;
if (verbose)
krb5_warnx(context, "truncating log on slave");
ret = kadm5_log_reinit(server_context, vno);
if (ret)
krb5_err(context, IPROPD_RESTART_SLOW, ret, "kadm5_log_reinit");
}
static void
reinit_log(krb5_context context,
kadm5_server_context *server_context,
int32_t vno)
{
krb5_error_code ret;
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");
}
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;
}
static int
doit(const char *filename, int mergep)
{
krb5_error_code ret = 0;
FILE *f;
char s[8192]; /* XXX should fix this properly */
char *p;
int line;
int flags = O_RDWR;
struct entry e;
hdb_entry_ex ent;
HDB *db = _kadm5_s_get_db(kadm_handle);
f = fopen(filename, "r");
if(f == NULL){
krb5_warn(context, errno, "fopen(%s)", filename);
return 1;
}
/*
* We don't have a version number in the dump, so we don't know which iprop
* log entries to keep, if any. We throw the log away.
*
* We could merge the ipropd-master/slave dump/load here as an option, in
* which case we would first load the dump.
*
* If we're merging, first recover unconfirmed records in the existing log.
*/
if (mergep)
ret = kadm5_log_init(kadm_handle);
if (ret == 0)
ret = kadm5_log_reinit(kadm_handle, 0);
if (ret) {
fclose (f);
krb5_warn(context, ret, "kadm5_log_reinit");
return 1;
}
if(!mergep)
flags |= O_CREAT | O_TRUNC;
ret = db->hdb_open(context, db, flags, 0600);
if(ret){
krb5_warn(context, ret, "hdb_open");
fclose(f);
return 1;
}
line = 0;
ret = 0;
while(fgets(s, sizeof(s), f) != NULL) {
line++;
p = s;
while (isspace((unsigned char)*p))
p++;
e.principal = p;
for(p = s; *p; p++){
if(*p == '\\')
p++;
else if(isspace((unsigned char)*p)) {
*p = 0;
break;
}
}
p = skip_next(p);
e.key = p;
p = skip_next(p);
e.created = p;
p = skip_next(p);
e.modified = p;
p = skip_next(p);
e.valid_start = p;
p = skip_next(p);
e.valid_end = p;
p = skip_next(p);
e.pw_end = p;
p = skip_next(p);
e.max_life = p;
p = skip_next(p);
e.max_renew = p;
p = skip_next(p);
e.flags = p;
p = skip_next(p);
e.generation = p;
p = skip_next(p);
e.extensions = p;
skip_next(p);
memset(&ent, 0, sizeof(ent));
ret = krb5_parse_name(context, e.principal, &ent.entry.principal);
if(ret) {
const char *msg = krb5_get_error_message(context, ret);
fprintf(stderr, "%s:%d:%s (%s)\n",
filename, line, msg, e.principal);
krb5_free_error_message(context, msg);
continue;
}
if (parse_keys(&ent.entry, e.key)) {
fprintf (stderr, "%s:%d:error parsing keys (%s)\n",
filename, line, e.key);
hdb_free_entry (context, &ent);
continue;
}
if (parse_event(&ent.entry.created_by, e.created) == -1) {
fprintf (stderr, "%s:%d:error parsing created event (%s)\n",
filename, line, e.created);
hdb_free_entry (context, &ent);
continue;
}
if (parse_event_alloc (&ent.entry.modified_by, e.modified) == -1) {
fprintf (stderr, "%s:%d:error parsing event (%s)\n",
filename, line, e.modified);
hdb_free_entry (context, &ent);
continue;
}
if (parse_time_string_alloc (&ent.entry.valid_start, e.valid_start) == -1) {
fprintf (stderr, "%s:%d:error parsing time (%s)\n",
filename, line, e.valid_start);
hdb_free_entry (context, &ent);
continue;
}
if (parse_time_string_alloc (&ent.entry.valid_end, e.valid_end) == -1) {
fprintf (stderr, "%s:%d:error parsing time (%s)\n",
filename, line, e.valid_end);
hdb_free_entry (context, &ent);
continue;
}
if (parse_time_string_alloc (&ent.entry.pw_end, e.pw_end) == -1) {
fprintf (stderr, "%s:%d:error parsing time (%s)\n",
filename, line, e.pw_end);
hdb_free_entry (context, &ent);
continue;
}
if (parse_integer_alloc (&ent.entry.max_life, e.max_life) == -1) {
fprintf (stderr, "%s:%d:error parsing lifetime (%s)\n",
filename, line, e.max_life);
hdb_free_entry (context, &ent);
continue;
}
if (parse_integer_alloc (&ent.entry.max_renew, e.max_renew) == -1) {
fprintf (stderr, "%s:%d:error parsing lifetime (%s)\n",
filename, line, e.max_renew);
hdb_free_entry (context, &ent);
continue;
}
if (parse_hdbflags2int (&ent.entry.flags, e.flags) != 1) {
fprintf (stderr, "%s:%d:error parsing flags (%s)\n",
filename, line, e.flags);
hdb_free_entry (context, &ent);
continue;
}
if(parse_generation(e.generation, &ent.entry.generation) == -1) {
fprintf (stderr, "%s:%d:error parsing generation (%s)\n",
filename, line, e.generation);
hdb_free_entry (context, &ent);
continue;
}
if(parse_extensions(e.extensions, &ent.entry.extensions) == -1) {
fprintf (stderr, "%s:%d:error parsing extension (%s)\n",
filename, line, e.extensions);
hdb_free_entry (context, &ent);
continue;
}
ret = db->hdb_store(context, db, HDB_F_REPLACE, &ent);
hdb_free_entry (context, &ent);
if (ret) {
krb5_warn(context, ret, "db_store");
break;
}
}
(void) kadm5_log_end(kadm_handle);
db->hdb_close(context, db);
fclose(f);
return ret != 0;
}