diff options
Diffstat (limited to 'source3/smbd/notify_hash.c')
| -rw-r--r-- | source3/smbd/notify_hash.c | 33 |
1 files changed, 29 insertions, 4 deletions
diff --git a/source3/smbd/notify_hash.c b/source3/smbd/notify_hash.c index 415e4bcbda..b4edc258e9 100644 --- a/source3/smbd/notify_hash.c +++ b/source3/smbd/notify_hash.c @@ -28,6 +28,8 @@ struct change_data { time_t status_time; /* Info from the directory we're monitoring. */ time_t total_time; /* Total time of all directory entries - don't care if it wraps. */ unsigned int num_entries; /* Zero or the number of files in the directory. */ + unsigned int mode_sum; + unsigned char name_hash[16]; }; /**************************************************************************** @@ -74,9 +76,6 @@ static BOOL notify_hash(connection_struct *conn, char *path, uint32 flags, * larger than the max time_t value). */ - if (!(flags & (FILE_NOTIFY_CHANGE_SIZE|FILE_NOTIFY_CHANGE_LAST_WRITE))) - return True; - dp = OpenDir(conn, path, True); if (dp == NULL) return False; @@ -103,7 +102,31 @@ static BOOL notify_hash(connection_struct *conn, char *path, uint32 flags, * Do the stat - but ignore errors. */ vfs_stat(conn,full_name, &st); + + /* + * Always sum the times. + */ + data->total_time += (st.st_mtime + st.st_ctime); + + /* + * If requested hash the names. + */ + + if (flags & (FILE_NOTIFY_CHANGE_DIR_NAME|FILE_NOTIFY_CHANGE_FILE_NAME|FILE_NOTIFY_CHANGE_FILE)) { + int i; + unsigned char tmp_hash[16]; + mdfour(tmp_hash, fname, strlen(fname)); + for (i=0;i<16;i++) + data->name_hash[i] ^= tmp_hash[i]; + } + + /* + * If requested sum the mode_t's. + */ + + if (flags & (FILE_NOTIFY_CHANGE_ATTRIBUTES|FILE_NOTIFY_CHANGE_SECURITY)) + data->mode_sum = st.st_mode; } CloseDir(dp); @@ -151,7 +174,9 @@ static BOOL hash_check_notify(connection_struct *conn, uint16 vuid, char *path, data2.modify_time != data->modify_time || data2.status_time != data->status_time || data2.total_time != data->total_time || - data2.num_entries != data->num_entries) { + data2.num_entries != data->num_entries || + data2.mode_sum != data->mode_sum || + memcmp(data2.name_hash, data->name_hash, sizeof(data2.name_hash))) { change_to_root_user(); return True; } |