oysteikt/heimdal
0
0
Fork 0
Code Issues 5 Pull Requests Releases Activity

iprop: Support hierarchical iprop

Browse Source
This commit is contained in:
Nicolas Williams
2020-09-17 23:40:12 -05:00
parent c12ca129b6
commit 0e09fa7fde
9 changed files with 283 additions and 24 deletions
Download Patch File Download Diff File Expand all files Collapse all files

34
lib/kadm5/log.c
View File

@@ -682,6 +682,40 @@ kadm5_log_init(kadm5_server_context *server_context)
return log_init(server_context, LOCK_EX);
}
/* Upgrade log lock to exclusive */
kadm5_ret_t
kadm5_log_exclusivelock(kadm5_server_context *server_context)
{
kadm5_log_context *log_context = &server_context->log_context;
if (log_context->lock_mode == LOCK_EX)
return 0;
if (log_context->log_fd == -1)
return EINVAL;
if (flock(log_context->log_fd, LOCK_EX) < 0)
return errno;
log_context->read_only = 0;
log_context->lock_mode = LOCK_EX;
return 0;
}
/* Downgrade log lock to shared */
kadm5_ret_t
kadm5_log_sharedlock(kadm5_server_context *server_context)
{
kadm5_log_context *log_context = &server_context->log_context;
if (log_context->lock_mode == LOCK_SH)
return 0;
if (log_context->log_fd == -1)
return EINVAL;
if (flock(log_context->log_fd, LOCK_SH) < 0)
return errno;
log_context->read_only = 1;
log_context->lock_mode = LOCK_SH;
return 0;
}
/* Open the log with an exclusive non-blocking lock */
kadm5_ret_t
kadm5_log_init_nb(kadm5_server_context *server_context)