From 8daa83a594a2e98f39d764422bfbdbc62c9efd44 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 19:20:00 +0200 Subject: Adding upstream version 2:4.20.0+dfsg. Signed-off-by: Daniel Baumann --- source3/smbd/globals.c | 123 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 123 insertions(+) create mode 100644 source3/smbd/globals.c (limited to 'source3/smbd/globals.c') diff --git a/source3/smbd/globals.c b/source3/smbd/globals.c new file mode 100644 index 0000000..9989a73 --- /dev/null +++ b/source3/smbd/globals.c @@ -0,0 +1,123 @@ +/* + 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 . +*/ + +#include "includes.h" +#include "smbd/smbd.h" +#include "smbd/globals.h" +#include "../lib/util/memcache.h" +#include "messages.h" +#include + +#ifdef USE_DMAPI +struct smbd_dmapi_context *dmapi_ctx = NULL; +#endif + +const struct mangle_fns *mangle_fns = NULL; + +unsigned char *chartest = NULL; +TDB_CONTEXT *tdb_mangled_cache = NULL; + +/* + 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; + +bool logged_ioctl_message = false; + +time_t last_smb_conf_reload_time = 0; +pid_t background_lpq_updater_pid = -1; + +/**************************************************************************** + structure to hold a linked list of queued messages. + for processing. +****************************************************************************/ +uint32_t common_flags2 = FLAGS2_LONG_PATH_COMPONENTS|FLAGS2_32_BIT_ERROR_CODES|FLAGS2_EXTENDED_ATTRIBUTES; + +struct smb_trans_enc_state *partial_srv_trans_enc_ctx = NULL; +struct smb_trans_enc_state *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; + +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; + +struct smbd_parent_context *am_parent = NULL; +struct memcache *smbd_memcache_ctx = NULL; +bool exit_firsttime = true; + +struct smbXsrv_client *global_smbXsrv_client = NULL; + +struct memcache *smbd_memcache(void) +{ + if (!smbd_memcache_ctx) { + /* + * Note we MUST use the NULL context here, not the + * autofree context, to avoid side effects in forked + * children exiting. + */ + smbd_memcache_ctx = memcache_init(NULL, + lp_max_stat_cache_size()*1024); + } + if (!smbd_memcache_ctx) { + smb_panic("Could not init smbd memcache"); + } + + return smbd_memcache_ctx; +} + +void smbd_init_globals(void) +{ + ZERO_STRUCT(conn_ctx_stack); + + ZERO_STRUCT(sec_ctx_stack); +} + +struct GUID smbd_request_guid(struct smb_request *smb1req, uint16_t idx) +{ + struct GUID v = { + .time_low = (uint32_t)smb1req->mid, + .time_hi_and_version = idx, + }; + + if (smb1req->smb2req != NULL) { + v.time_mid = (uint16_t)smb1req->smb2req->current_idx; + } else { + v.time_mid = (uint16_t)(uintptr_t)smb1req->vwv; + } + + SBVAL((uint8_t *)&v, 8, smb1req->xconn->channel_id); + + return v; +} -- cgit v1.2.3