/* Unix SMB/Netbios implementation. smbd globals Copyright (C) Stefan Metzmacher 2009 This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include "includes.h" #include "smbd/globals.h" #if defined(WITH_AIO) struct aio_extra *aio_list_head = NULL; struct tevent_signal *aio_signal_event = NULL; int aio_pending_size = 0; int outstanding_aio_calls = 0; #endif /* dlink list we store pending lock records on. */ struct blocking_lock_record *blocking_lock_queue = NULL; /* dlink list we move cancelled lock records onto. */ struct blocking_lock_record *blocking_lock_cancelled_queue = NULL; /* The event that makes us process our blocking lock queue */ struct timed_event *brl_timeout = NULL; bool blocking_lock_unlock_state = false; bool blocking_lock_cancel_state = false; #ifdef USE_DMAPI struct smbd_dmapi_context *dmapi_ctx = NULL; #endif bool dfree_broken = false; /* how many write cache buffers have been allocated */ unsigned int allocated_write_caches = 0; int real_max_open_files = 0; struct bitmap *file_bmap = NULL; files_struct *Files = NULL; int files_used = 0; struct fsp_singleton_cache fsp_fi_cache = { .fsp = NULL, .id = { .devid = 0, .inode = 0, .extid = 0 } }; unsigned long file_gen_counter = 0; int first_file = 0; const struct mangle_fns *mangle_fns = NULL; unsigned char *chartest = NULL; TDB_CONTEXT *tdb_mangled_cache = NULL; /* these tables are used to provide fast tests for characters */ unsigned char char_flags[256]; /* this determines how many characters are used from the original filename in the 8.3 mangled name. A larger value leads to a weaker hash and more collisions. The largest possible value is 6. */ unsigned mangle_prefix = 0; unsigned char base_reverse[256]; char *last_from = NULL; char *last_to = NULL; struct msg_state *smbd_msg_state = NULL; bool logged_ioctl_message = false; int trans_num = 0; pid_t mypid = 0; time_t last_smb_conf_reload_time = 0; time_t last_printer_reload_time = 0; /**************************************************************************** structure to hold a linked list of queued messages. for processing. ****************************************************************************/ struct pending_message_list *deferred_open_queue = NULL; uint32_t common_flags2 = FLAGS2_LONG_PATH_COMPONENTS|FLAGS2_32_BIT_ERROR_CODES|FLAGS2_EXTENDED_ATTRIBUTES; struct smb_srv_trans_enc_ctx *partial_srv_trans_enc_ctx = NULL; struct smb_srv_trans_enc_ctx *srv_trans_enc_ctx = NULL; /* A stack of security contexts. We include the current context as being the first one, so there is room for another MAX_SEC_CTX_DEPTH more. */ struct sec_ctx sec_ctx_stack[MAX_SEC_CTX_DEPTH + 1]; int sec_ctx_stack_ndx = 0; bool become_uid_done = false; bool become_gid_done = false; connection_struct *last_conn = NULL; uint16_t last_flags = 0; struct db_context *session_db_ctx_ptr = NULL; uint32_t global_client_caps = 0; uint16_t fnf_handle = 257; /* A stack of current_user connection contexts. */ struct conn_ctx conn_ctx_stack[MAX_SEC_CTX_DEPTH]; int conn_ctx_stack_ndx = 0; struct vfs_init_function_entry *backends = NULL; char *sparse_buf = NULL; char *LastDir = NULL; /* Current number of oplocks we have outstanding. */ int32_t exclusive_oplocks_open = 0; int32_t level_II_oplocks_open = 0; bool global_client_failed_oplock_break = false; struct kernel_oplocks *koplocks = NULL; int am_parent = 1; int server_fd = -1; struct event_context *smbd_event_ctx = NULL; struct messaging_context *smbd_msg_ctx = NULL; struct memcache *smbd_memcache_ctx = NULL; bool exit_firsttime = true; struct child_pid *children = 0; int num_children = 0; struct smbd_server_connection *smbd_server_conn = NULL; void smbd_init_globals(void) { ZERO_STRUCT(char_flags); ZERO_STRUCT(base_reverse); ZERO_STRUCT(conn_ctx_stack); ZERO_STRUCT(sec_ctx_stack); smbd_server_conn = talloc_zero(smbd_event_context(), struct smbd_server_connection); if (!smbd_server_conn) { exit_server("failed to create smbd_server_connection"); } }