From dd8cf54c79fe8536e34cde15801d60931cd47b8b Mon Sep 17 00:00:00 2001 From: Ralph Boehme Date: Sun, 27 May 2018 13:03:25 +0200 Subject: [PATCH] s3:locking: add file_has_open_streams() This can be used to check if a file opened by fsp also has stream opens. Bug: https://bugzilla.samba.org/show_bug.cgi?id=13451 Signed-off-by: Ralph Boehme Reviewed-by: Jeremy Allison --- source3/locking/locking.c | 31 +++++++++++++++++++++++++++++++ source3/locking/proto.h | 1 + 2 files changed, 32 insertions(+) diff --git a/source3/locking/locking.c b/source3/locking/locking.c index 791878c6383..e962fee89ab 100644 --- a/source3/locking/locking.c +++ b/source3/locking/locking.c @@ -1316,3 +1316,34 @@ struct timespec get_share_mode_write_time(struct share_mode_lock *lck) } return d->old_write_time; } + +bool file_has_open_streams(files_struct *fsp) +{ + struct share_mode_lock *lock = NULL; + struct share_mode_data *d = NULL; + uint32_t i; + + lock = get_existing_share_mode_lock(talloc_tos(), fsp->file_id); + if (lock == NULL) { + return false; + } + d = lock->data; + + for (i = 0; i < d->num_share_modes; i++) { + struct share_mode_entry *e = &d->share_modes[i]; + + if (share_mode_stale_pid(d, i)) { + continue; + } + + if (e->private_options & + NTCREATEX_OPTIONS_PRIVATE_STREAM_BASEOPEN) + { + TALLOC_FREE(lock); + return true; + } + } + + TALLOC_FREE(lock); + return false; +} diff --git a/source3/locking/proto.h b/source3/locking/proto.h index afd5373772a..403729c934a 100644 --- a/source3/locking/proto.h +++ b/source3/locking/proto.h @@ -207,6 +207,7 @@ bool is_delete_on_close_set(struct share_mode_lock *lck, uint32_t name_hash); bool set_sticky_write_time(struct file_id fileid, struct timespec write_time); bool set_write_time(struct file_id fileid, struct timespec write_time); struct timespec get_share_mode_write_time(struct share_mode_lock *lck); +bool file_has_open_streams(files_struct *fsp); int share_mode_forall(int (*fn)(struct file_id fid, const struct share_mode_data *data, void *private_data), -- 2.11.4.GIT