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dir_cmd.cc
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dir_cmd.cc
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/*
BAREOS® - Backup Archiving REcovery Open Sourced
Copyright (C) 2000-2011 Free Software Foundation Europe e.V.
Copyright (C) 2011-2012 Planets Communications B.V.
Copyright (C) 2013-2020 Bareos GmbH & Co. KG
This program is Free Software; you can redistribute it and/or
modify it under the terms of version three of the GNU Affero General Public
License as published by the Free Software Foundation and included
in the file LICENSE.
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
Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
*/
/*
* Kern Sibbald, October MM
*/
/**
* @file
* This file handles accepting Director Commands
*/
#include "include/bareos.h"
#include "filed/filed.h"
#include "filed/filed_globals.h"
#include "include/ch.h"
#include "filed/authenticate.h"
#include "filed/dir_cmd.h"
#include "filed/estimate.h"
#include "filed/evaluate_job_command.h"
#include "filed/heartbeat.h"
#include "filed/fileset.h"
#include "filed/jcr_private.h"
#include "filed/socket_server.h"
#include "filed/restore.h"
#include "filed/verify.h"
#include "findlib/enable_priv.h"
#include "findlib/shadowing.h"
#include "include/make_unique.h"
#include "lib/berrno.h"
#include "lib/bget_msg.h"
#include "lib/bnet.h"
#include "lib/edit.h"
#include "lib/path_list.h"
#include "lib/qualified_resource_name_type_converter.h"
#include "lib/thread_specific_data.h"
#include "lib/tls_conf.h"
#include "lib/parse_conf.h"
#include "lib/bsock_tcp.h"
#include "lib/bnet_network_dump.h"
#include "lib/watchdog.h"
#include "lib/util.h"
#if defined(WIN32_VSS)
#include "win32/findlib/win32.h"
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunknown-pragmas"
#include "vss.h"
#pragma GCC diagnostic pop
#endif
namespace filedaemon {
extern bool backup_only_mode;
extern bool restore_only_mode;
/**
* As Windows saves ACLs as part of the standard backup stream
* we just pretend here that is has implicit acl support.
*/
#if defined(HAVE_ACL) || defined(HAVE_WIN32)
const bool have_acl = true;
#else
const bool have_acl = false;
#endif
#if defined(HAVE_XATTR)
const bool have_xattr = true;
#else
const bool have_xattr = false;
#endif
const bool have_encryption = true;
/* Global variables to handle Client Initiated Connections */
static bool quit_client_initiate_connection = false;
static alist* client_initiated_connection_threads = nullptr;
/* Imported functions */
extern bool AccurateCmd(JobControlRecord* jcr);
extern bool StatusCmd(JobControlRecord* jcr);
extern bool QstatusCmd(JobControlRecord* jcr);
extern "C" char* job_code_callback_filed(JobControlRecord* jcr,
const char* param);
/* Forward referenced functions */
static bool BackupCmd(JobControlRecord* jcr);
static bool BootstrapCmd(JobControlRecord* jcr);
static bool CancelCmd(JobControlRecord* jcr);
static bool EndRestoreCmd(JobControlRecord* jcr);
static bool EstimateCmd(JobControlRecord* jcr);
#ifdef DEVELOPER
static bool exit_cmd(JobControlRecord* jcr);
#endif
static bool FilesetCmd(JobControlRecord* jcr);
static bool job_cmd(JobControlRecord* jcr);
static bool LevelCmd(JobControlRecord* jcr);
static bool PluginoptionsCmd(JobControlRecord* jcr);
static bool RunafterCmd(JobControlRecord* jcr);
static bool RunbeforenowCmd(JobControlRecord* jcr);
static bool RunbeforeCmd(JobControlRecord* jcr);
static bool RunscriptCmd(JobControlRecord* jcr);
static bool ResolveCmd(JobControlRecord* jcr);
static bool RestoreObjectCmd(JobControlRecord* jcr);
static bool RestoreCmd(JobControlRecord* jcr);
static bool SessionCmd(JobControlRecord* jcr);
static bool SecureerasereqCmd(JobControlRecord* jcr);
static bool SetauthorizationCmd(JobControlRecord* jcr);
static bool SetbandwidthCmd(JobControlRecord* jcr);
static bool SetdebugCmd(JobControlRecord* jcr);
static bool StorageCmd(JobControlRecord* jcr);
static bool VerifyCmd(JobControlRecord* jcr);
static BareosSocket* connect_to_director(JobControlRecord* jcr,
DirectorResource* dir_res,
bool verbose);
static bool response(JobControlRecord* jcr,
BareosSocket* sd,
char* resp,
const char* cmd);
static void FiledFreeJcr(JobControlRecord* jcr);
static bool OpenSdReadSession(JobControlRecord* jcr);
static void SetStorageAuthKeyAndTlsPolicy(JobControlRecord* jcr,
char* key,
TlsPolicy policy);
/* Exported functions */
struct s_cmds {
const char* cmd;
bool (*func)(JobControlRecord*);
bool monitoraccess; /* specify if monitors have access to this function */
};
/**
* The following are the recognized commands from the Director.
*
* Keywords are sorted first longest match when the keywords start with the same
* string.
*/
static struct s_cmds cmds[] = {
{"accurate", AccurateCmd, false},
{"backup", BackupCmd, false},
{"bootstrap", BootstrapCmd, false},
{"cancel", CancelCmd, false},
{"endrestore", EndRestoreCmd, false},
{"estimate", EstimateCmd, false},
#ifdef DEVELOPER
{"exit", exit_cmd, false},
#endif
{"fileset", FilesetCmd, false},
{"JobId=", job_cmd, false},
{"level = ", LevelCmd, false},
{"pluginoptions", PluginoptionsCmd, false},
{"RunAfterJob", RunafterCmd, false},
{"RunBeforeNow", RunbeforenowCmd, false},
{"RunBeforeJob", RunbeforeCmd, false},
{"Run", RunscriptCmd, false},
{"restoreobject", RestoreObjectCmd, false},
{"restore ", RestoreCmd, false},
{"resolve ", ResolveCmd, false},
{"getSecureEraseCmd", SecureerasereqCmd, false},
{"session", SessionCmd, false},
{"setauthorization", SetauthorizationCmd, false},
{"setbandwidth=", SetbandwidthCmd, false},
{"setdebug=", SetdebugCmd, false},
{"status", StatusCmd, true},
{".status", QstatusCmd, true},
{"storage ", StorageCmd, false},
{"verify", VerifyCmd, false},
{nullptr, nullptr, false} /* list terminator */
};
/**
* Commands send to director
*/
static char hello_client[] = "Hello Client %s FdProtocolVersion=%d calling\n";
/**
* Responses received from the director
*/
static const char OKversion[] = "1000 OK: %s Version: %s (%u %s %u)";
/**
* Commands received from director that need scanning
*/
static char setauthorizationcmd[] = "setauthorization Authorization=%100s";
static char setbandwidthcmd[] = "setbandwidth=%lld Job=%127s";
static char setdebugv0cmd[] = "setdebug=%d trace=%d";
static char setdebugv1cmd[] = "setdebug=%d trace=%d hangup=%d";
static char setdebugv2cmd[] = "setdebug=%d trace=%d hangup=%d timestamp=%d";
static char storaddrv0cmd[] = "storage address=%s port=%d ssl=%d";
static char storaddrv1cmd[] =
"storage address=%s port=%d ssl=%d Authorization=%100s";
static char sessioncmd[] = "session %127s %ld %ld %ld %ld %ld %ld\n";
static char restorecmd[] = "restore replace=%c prelinks=%d where=%s\n";
static char restorecmd1[] = "restore replace=%c prelinks=%d where=\n";
static char restorecmdR[] = "restore replace=%c prelinks=%d regexwhere=%s\n";
static char restoreobjcmd[] = "restoreobject JobId=%u %d,%d,%d,%d,%d,%d,%s";
static char restoreobjcmd1[] = "restoreobject JobId=%u %d,%d,%d,%d,%d,%d\n";
static char endrestoreobjectcmd[] = "restoreobject end\n";
static char pluginoptionscmd[] = "pluginoptions %s";
static char verifycmd[] = "verify level=%30s";
static char Estimatecmd[] = "estimate listing=%d";
static char runbeforecmd[] = "RunBeforeJob %s";
static char runaftercmd[] = "RunAfterJob %s";
static char runscriptcmd[] =
"Run OnSuccess=%d OnFailure=%d AbortOnError=%d When=%d Command=%s";
static char resolvecmd[] = "resolve %s";
/**
* Responses sent to Director
*/
static char errmsg[] = "2999 Invalid command\n";
static char invalid_cmd[] =
"2997 Invalid command for a Director with Monitor directive enabled.\n";
static char OkAuthorization[] = "2000 OK Authorization\n";
static char OKBandwidth[] = "2000 OK Bandwidth\n";
static char OKinc[] = "2000 OK include\n";
static char OKest[] = "2000 OK estimate files=%s bytes=%s\n";
static char OKlevel[] = "2000 OK level\n";
static char OKbackup[] = "2000 OK backup\n";
static char OKbootstrap[] = "2000 OK bootstrap\n";
static char OKverify[] = "2000 OK verify\n";
static char OKrestore[] = "2000 OK restore\n";
static char OKsecureerase[] = "2000 OK FDSecureEraseCmd %s\n";
static char OKsession[] = "2000 OK session\n";
static char OKstore[] = "2000 OK storage\n";
static char OKstoreend[] = "2000 OK storage end\n";
static char OKjob[] =
"2000 OK Job %s (%s) %s,%s";
static char OKsetdebugv0[] =
"2000 OK setdebug=%d trace=%d hangup=%d tracefile=%s\n";
static char OKsetdebugv1[] =
"2000 OK setdebug=%d trace=%d hangup=%d timestamp=%d tracefile=%s\n";
static char BADjob[] = "2901 Bad Job\n";
static char EndJob[] =
"2800 End Job TermCode=%d JobFiles=%u ReadBytes=%s"
" JobBytes=%s Errors=%u VSS=%d Encrypt=%d\n";
static char OKRunBefore[] = "2000 OK RunBefore\n";
static char OKRunBeforeNow[] = "2000 OK RunBeforeNow\n";
static char OKRunAfter[] = "2000 OK RunAfter\n";
static char OKRunScript[] = "2000 OK RunScript\n";
static char BadRunBeforeJob[] = "2905 Bad RunBeforeJob command.\n";
static char FailedRunScript[] = "2905 Failed RunScript\n";
static char BadRunAfterJob[] = "2905 Bad RunAfterJob command.\n";
static char BADcmd[] = "2902 Bad %s\n";
static char OKRestoreObject[] = "2000 OK ObjectRestored\n";
static char OKPluginOptions[] = "2000 OK PluginOptions\n";
static char BadPluginOptions[] = "2905 Bad PluginOptions command.\n";
/**
* Responses received from Storage Daemon
*/
static char OK_end[] = "3000 OK end\n";
static char OK_close[] = "3000 OK close Status = %d\n";
static char OK_open[] = "3000 OK open ticket = %d\n";
static char OK_data[] = "3000 OK data\n";
static char OK_append[] = "3000 OK append data\n";
/**
* Commands sent to Storage Daemon
*/
static char append_open[] = "append open session\n";
static char append_data[] = "append data %d\n";
static char append_end[] = "append end session %d\n";
static char append_close[] = "append close session %d\n";
static char read_open[] = "read open session = %s %ld %ld %ld %ld %ld %ld\n";
static char read_data[] = "read data %d\n";
static char read_close[] = "read close session %d\n";
/**
* See if we are allowed to execute the command issued.
*/
static bool ValidateCommand(JobControlRecord* jcr,
const char* cmd,
alist* allowed_job_cmds)
{
char* allowed_job_cmd = nullptr;
bool allowed = false;
/*
* If there is no explicit list of allowed cmds allow all cmds.
*/
if (!allowed_job_cmds) { return true; }
foreach_alist (allowed_job_cmd, allowed_job_cmds) {
if (Bstrcasecmp(cmd, allowed_job_cmd)) {
allowed = true;
break;
}
}
if (!allowed) {
Jmsg(jcr, M_FATAL, 0,
_("Illegal \"%s\" command not allowed by Allowed Job Cmds setting of "
"this filed.\n"),
cmd);
}
return allowed;
}
static inline void CleanupFileset(JobControlRecord* jcr)
{
findFILESET* fileset;
findIncludeExcludeItem* incexe;
findFOPTS* fo;
fileset = jcr->impl->ff->fileset;
if (fileset) {
/*
* Delete FileSet Include lists
*/
for (int i = 0; i < fileset->include_list.size(); i++) {
incexe = (findIncludeExcludeItem*)fileset->include_list.get(i);
for (int j = 0; j < incexe->opts_list.size(); j++) {
fo = (findFOPTS*)incexe->opts_list.get(j);
if (fo->plugin) { free(fo->plugin); }
for (int k = 0; k < fo->regex.size(); k++) {
regfree((regex_t*)fo->regex.get(k));
}
for (int k = 0; k < fo->regexdir.size(); k++) {
regfree((regex_t*)fo->regexdir.get(k));
}
for (int k = 0; k < fo->regexfile.size(); k++) {
regfree((regex_t*)fo->regexfile.get(k));
}
if (fo->size_match) { free(fo->size_match); }
fo->regex.destroy();
fo->regexdir.destroy();
fo->regexfile.destroy();
fo->wild.destroy();
fo->wilddir.destroy();
fo->wildfile.destroy();
fo->wildbase.destroy();
fo->base.destroy();
fo->fstype.destroy();
fo->Drivetype.destroy();
}
incexe->opts_list.destroy();
incexe->name_list.destroy();
incexe->plugin_list.destroy();
incexe->ignoredir.destroy();
}
fileset->include_list.destroy();
/*
* Delete FileSet Exclude lists
*/
for (int i = 0; i < fileset->exclude_list.size(); i++) {
incexe = (findIncludeExcludeItem*)fileset->exclude_list.get(i);
for (int j = 0; j < incexe->opts_list.size(); j++) {
fo = (findFOPTS*)incexe->opts_list.get(j);
if (fo->size_match) { free(fo->size_match); }
fo->regex.destroy();
fo->regexdir.destroy();
fo->regexfile.destroy();
fo->wild.destroy();
fo->wilddir.destroy();
fo->wildfile.destroy();
fo->wildbase.destroy();
fo->base.destroy();
fo->fstype.destroy();
fo->Drivetype.destroy();
}
incexe->opts_list.destroy();
incexe->name_list.destroy();
incexe->plugin_list.destroy();
incexe->ignoredir.destroy();
}
fileset->exclude_list.destroy();
free(fileset);
}
jcr->impl->ff->fileset = nullptr;
}
static inline bool AreMaxConcurrentJobsExceeded()
{
JobControlRecord* jcr;
unsigned int cnt = 0;
foreach_jcr (jcr) {
cnt++;
}
endeach_jcr(jcr);
return (cnt >= me->MaxConcurrentJobs) ? true : false;
}
static JobControlRecord* NewFiledJcr()
{
JobControlRecord* jcr = new_jcr(FiledFreeJcr);
jcr->impl = new JobControlRecordPrivate;
return jcr;
}
JobControlRecord* create_new_director_session(BareosSocket* dir)
{
const char jobname[12] = "*Director*";
JobControlRecord* jcr{NewFiledJcr()};
jcr->dir_bsock = dir;
jcr->impl->ff = init_find_files();
jcr->start_time = time(nullptr);
jcr->impl->RunScripts = new alist(10, not_owned_by_alist);
jcr->impl->last_fname = GetPoolMemory(PM_FNAME);
jcr->impl->last_fname[0] = 0;
jcr->client_name = GetMemory(strlen(my_name) + 1);
PmStrcpy(jcr->client_name, my_name);
bstrncpy(jcr->Job, jobname, sizeof(jobname)); /* dummy */
jcr->impl->crypto.pki_sign = me->pki_sign;
jcr->impl->crypto.pki_encrypt = me->pki_encrypt;
jcr->impl->crypto.pki_keypair = me->pki_keypair;
jcr->impl->crypto.pki_signers = me->pki_signers;
jcr->impl->crypto.pki_recipients = me->pki_recipients;
if (dir) { dir->SetJcr(jcr); }
SetJcrInThreadSpecificData(jcr);
EnableBackupPrivileges(nullptr, 1 /* ignore_errors */);
return jcr;
}
void* process_director_commands(void* p_jcr)
{
JobControlRecord* jcr = (JobControlRecord*)p_jcr;
return process_director_commands(jcr, jcr->dir_bsock);
}
void* process_director_commands(JobControlRecord* jcr, BareosSocket* dir)
{
bool found;
bool quit = false;
/**********FIXME******* add command handler error code */
while (jcr->authenticated && (!quit)) {
/*
* Read command
*/
if (dir->recv() < 0) { break; /* connection terminated */ }
dir->msg[dir->message_length] = 0;
Dmsg1(100, "<dird: %s\n", dir->msg);
found = false;
for (int i = 0; cmds[i].cmd; i++) {
if (bstrncmp(cmds[i].cmd, dir->msg, strlen(cmds[i].cmd))) {
found = true; /* indicate command found */
if ((!cmds[i].monitoraccess) && (jcr->impl->director->monitor)) {
Dmsg1(100, "Command \"%s\" is invalid.\n", cmds[i].cmd);
dir->fsend(invalid_cmd);
dir->signal(BNET_EOD);
break;
}
Dmsg1(100, "Executing %s command.\n", cmds[i].cmd);
if (!cmds[i].func(jcr)) { /* do command */
quit = true; /* error or fully terminated, get out */
Dmsg1(100, "Quit command loop. Canceled=%d\n", JobCanceled(jcr));
}
break;
}
}
if (!found) { /* command not found */
dir->fsend(errmsg);
quit = true;
break;
}
}
/*
* Inform Storage daemon that we are done
*/
if (jcr->store_bsock) { jcr->store_bsock->signal(BNET_TERMINATE); }
/*
* Run the after job
*/
if (jcr->impl->RunScripts) {
RunScripts(jcr, jcr->impl->RunScripts, "ClientAfterJob",
(jcr->impl->director && jcr->impl->director->allowed_script_dirs)
? jcr->impl->director->allowed_script_dirs
: me->allowed_script_dirs);
}
if (jcr->JobId) { /* send EndJob if running a job */
char ed1[50], ed2[50];
/*
* Send termination status back to Dir
*/
dir->fsend(EndJob, jcr->JobStatus, jcr->JobFiles,
edit_uint64(jcr->ReadBytes, ed1),
edit_uint64(jcr->JobBytes, ed2), jcr->JobErrors,
jcr->impl->enable_vss, jcr->impl->crypto.pki_encrypt);
Dmsg1(110, "End FD msg: %s\n", dir->msg);
}
GeneratePluginEvent(jcr, bEventJobEnd);
DequeueMessages(jcr); /* send any queued messages */
/*
* Inform Director that we are done
*/
dir->signal(BNET_TERMINATE);
FreePlugins(jcr); /* release instantiated plugins */
FreeAndNullPoolMemory(jcr->impl->job_metadata);
/*
* Clean up fileset
*/
CleanupFileset(jcr);
FreeJcr(jcr); /* destroy JobControlRecord record */
Dmsg0(100, "Done with FreeJcr\n");
GarbageCollectMemoryPool();
#ifdef HAVE_WIN32
AllowOsSuspensions();
#endif
return nullptr;
}
/**
* Create a new thread to handle director connection.
*/
static bool StartProcessDirectorCommands(JobControlRecord* jcr)
{
int result = 0;
pthread_t thread;
if ((result = pthread_create(&thread, nullptr, process_director_commands,
(void*)jcr)) != 0) {
BErrNo be;
Emsg1(M_ABORT, 0, _("Cannot create Director connect thread: %s\n"),
be.bstrerror(result));
}
return (result == 0);
}
/**
* Connection request from an director.
*
* Accept commands one at a time from the Director and execute them.
*
* Concerning ClientRunBefore/After, the sequence of events is rather critical.
* If they are not done in the right order one can easily get FD->SD timeouts
* if the script runs a long time.
*
* The current sequence of events is:
* 1. Dir starts job with FD
* 2. Dir connects to SD
* 3. Dir connects to FD
* 4. FD connects to SD
* 5. FD gets/runs ClientRunBeforeJob and sends ClientRunAfterJob
* 6. Dir sends include/exclude
* 7. FD sends data to SD
* 8. SD/FD disconnects while SD despools data and attributes (optional)
* 9. FD runs ClientRunAfterJob
*/
void* handle_director_connection(BareosSocket* dir)
{
JobControlRecord* jcr;
#ifdef HAVE_WIN32
PreventOsSuspensions();
#endif
if (AreMaxConcurrentJobsExceeded()) {
Emsg0(
M_ERROR, 0,
_("Number of Jobs exhausted, please increase MaximumConcurrentJobs\n"));
return nullptr;
}
jcr = create_new_director_session(dir);
Dmsg0(120, "Calling Authenticate\n");
if (AuthenticateDirector(jcr)) { Dmsg0(120, "OK Authenticate\n"); }
return process_director_commands(jcr, dir);
}
static bool ParseOkVersion(const char* string)
{
char name[MAX_NAME_LENGTH];
char version[MAX_NAME_LENGTH];
unsigned int day = 0;
char month[100];
unsigned int year = 0;
int number = 0;
number = sscanf(string, OKversion, &name, &version, &day, &month, &year);
Dmsg2(120, "OK message: %s, Version: %s\n", name, version);
return (number == 5);
}
static void* handle_connection_to_director(void* director_resource)
{
DirectorResource* dir_res = (DirectorResource*)director_resource;
BareosSocket* dir_bsock = nullptr;
JobControlRecord* jcr = nullptr;
int data_available = 0;
int retry_period = 60;
const int timeout_data = 60;
while (!quit_client_initiate_connection) {
if (jcr) {
FreeJcr(jcr);
jcr = nullptr;
}
jcr = create_new_director_session(nullptr);
dir_bsock = connect_to_director(jcr, dir_res, true);
if (!dir_bsock) {
Emsg2(M_ERROR, 0, "Failed to connect to Director \"%s\". Retry in %ds.\n",
dir_res->resource_name_, retry_period);
sleep(retry_period);
} else {
Dmsg1(120, "Connected to \"%s\".\n", dir_res->resource_name_);
/*
* Returns: 1 if data available, 0 if timeout, -1 if error
*/
data_available = 0;
while ((data_available == 0) && (!quit_client_initiate_connection)) {
Dmsg2(120, "Waiting for data from Director \"%s\" (timeout: %ds)\n",
dir_res->resource_name_, timeout_data);
data_available = dir_bsock->WaitDataIntr(timeout_data);
}
if (!quit_client_initiate_connection) {
if (data_available < 0) {
Emsg1(M_ABORT, 0,
_("Failed while waiting for data from Director \"%s\"\n"),
dir_res->resource_name_);
} else {
/*
* data is available
*/
dir_bsock->SetJcr(jcr);
jcr->dir_bsock = dir_bsock;
if (StartProcessDirectorCommands(jcr)) {
/*
* jcr (and dir_bsock) are now used by another thread.
*/
dir_bsock = nullptr;
jcr = nullptr;
}
}
}
}
}
Dmsg1(100, "Exiting Client Initiated Connection thread for %s\n",
dir_res->resource_name_);
if (jcr) {
/*
* cleanup old data structures
*/
FreeJcr(jcr);
}
return nullptr;
}
bool StartConnectToDirectorThreads()
{
bool result = false;
DirectorResource* dir_res = nullptr;
int pthread_create_result = 0;
if (!client_initiated_connection_threads) {
client_initiated_connection_threads = new alist();
}
pthread_t* thread;
foreach_res (dir_res, R_DIRECTOR) {
if (dir_res->conn_from_fd_to_dir) {
if (!dir_res->address) {
Emsg1(M_ERROR, 0,
"Failed to connect to Director \"%s\". The address config "
"directive is missing.\n",
dir_res->resource_name_);
} else if (!dir_res->port) {
Emsg1(M_ERROR, 0,
"Failed to connect to Director \"%s\". The port config directive "
"is missing.\n",
dir_res->resource_name_);
} else {
Dmsg3(120, "Connecting to Director \"%s\", address %s:%d.\n",
dir_res->resource_name_, dir_res->address, dir_res->port);
thread = (pthread_t*)malloc(sizeof(pthread_t));
if ((pthread_create_result =
pthread_create(thread, nullptr, handle_connection_to_director,
(void*)dir_res)) == 0) {
client_initiated_connection_threads->append(thread);
} else {
BErrNo be;
Emsg1(M_ABORT, 0, _("Cannot create Director connect thread: %s\n"),
be.bstrerror(pthread_create_result));
}
}
}
}
return result;
}
bool StopConnectToDirectorThreads(bool wait)
{
bool result = true;
pthread_t* thread = nullptr;
quit_client_initiate_connection = true;
if (client_initiated_connection_threads) {
while (!client_initiated_connection_threads->empty()) {
thread = (pthread_t*)client_initiated_connection_threads->remove(0);
if (thread) {
pthread_kill(*thread, TIMEOUT_SIGNAL);
if (wait) {
if (pthread_join(*thread, nullptr) != 0) { result = false; }
}
free(thread);
}
}
delete (client_initiated_connection_threads);
}
return result;
}
/**
* Resolve a hostname
*/
static bool ResolveCmd(JobControlRecord* jcr)
{
BareosSocket* dir = jcr->dir_bsock;
dlist* addr_list;
const char* errstr;
char addresses[2048];
char hostname[2048];
sscanf(dir->msg, resolvecmd, &hostname);
if ((addr_list = BnetHost2IpAddrs(hostname, 0, &errstr)) == nullptr) {
dir->fsend(_("%s: Failed to resolve %s\n"), my_name, hostname);
goto bail_out;
}
dir->fsend(
_("%s resolves %s to %s\n"), my_name, hostname,
BuildAddressesString(addr_list, addresses, sizeof(addresses), false));
FreeAddresses(addr_list);
bail_out:
dir->signal(BNET_EOD);
return true;
}
static bool SecureerasereqCmd(JobControlRecord* jcr)
{
const char* setting;
BareosSocket* dir = jcr->dir_bsock;
setting = me->secure_erase_cmdline ? me->secure_erase_cmdline : "*None*";
Dmsg1(200, "Secure Erase Cmd Request: %s\n", setting);
return dir->fsend(OKsecureerase, setting);
}
#ifdef DEVELOPER
static bool exit_cmd(JobControlRecord* jcr)
{
jcr->dir_bsock->fsend("2000 exit OK\n");
// terminate_filed(0);
StopSocketServer();
return false;
}
#endif
/**
* Cancel a Job
*/
static bool CancelCmd(JobControlRecord* jcr)
{
BareosSocket* dir = jcr->dir_bsock;
char Job[MAX_NAME_LENGTH];
JobControlRecord* cjcr;
if (sscanf(dir->msg, "cancel Job=%127s", Job) == 1) {
if (!(cjcr = get_jcr_by_full_name(Job))) {
dir->fsend(_("2901 Job %s not found.\n"), Job);
} else {
GeneratePluginEvent(cjcr, bEventCancelCommand, nullptr);
cjcr->setJobStatus(JS_Canceled);
if (cjcr->store_bsock) {
cjcr->store_bsock->SetTimedOut();
cjcr->store_bsock->SetTerminated();
}
cjcr->MyThreadSendSignal(TIMEOUT_SIGNAL);
FreeJcr(cjcr);
dir->fsend(_("2001 Job %s marked to be canceled.\n"), Job);
}
} else {
dir->fsend(_("2902 Error scanning cancel command.\n"));
}
dir->signal(BNET_EOD);
return true;
}
/**
* Set new authorization key as requested by the Director
*/
static bool SetauthorizationCmd(JobControlRecord* jcr)
{
BareosSocket* dir = jcr->dir_bsock;
PoolMem sd_auth_key(PM_MESSAGE);
sd_auth_key.check_size(dir->message_length);
if (sscanf(dir->msg, setauthorizationcmd, sd_auth_key.c_str()) != 1) {
dir->fsend(BADcmd, "setauthorization");
return false;
}
SetStorageAuthKeyAndTlsPolicy(jcr, sd_auth_key.c_str(), jcr->sd_tls_policy);
Dmsg2(120, "JobId=%d Auth=%s\n", jcr->JobId, jcr->sd_auth_key);
return dir->fsend(OkAuthorization);
}
/**
* Set bandwidth limit as requested by the Director
*/
static bool SetbandwidthCmd(JobControlRecord* jcr)
{
BareosSocket* dir = jcr->dir_bsock;
int64_t bw = 0;
JobControlRecord* cjcr;
char Job[MAX_NAME_LENGTH];
*Job = 0;
if (sscanf(dir->msg, setbandwidthcmd, &bw, Job) != 2 || bw < 0) {
PmStrcpy(jcr->errmsg, dir->msg);
dir->fsend(_("2991 Bad setbandwidth command: %s\n"), jcr->errmsg);
return false;
}
if (*Job) {
if (!(cjcr = get_jcr_by_full_name(Job))) {
dir->fsend(_("2901 Job %s not found.\n"), Job);
} else {
cjcr->max_bandwidth = bw;
if (cjcr->store_bsock) {
cjcr->store_bsock->SetBwlimit(bw);
if (me->allow_bw_bursting) { cjcr->store_bsock->SetBwlimitBursting(); }
}
FreeJcr(cjcr);
}
} else { /* No job requested, apply globally */
me->max_bandwidth_per_job = bw; /* Overwrite directive */
}
return dir->fsend(OKBandwidth);
}
/**
* Set debug level as requested by the Director
*/
static bool SetdebugCmd(JobControlRecord* jcr)
{
BareosSocket* dir = jcr->dir_bsock;
int32_t level, trace_flag, hangup_flag, timestamp_flag;
int scan;
Dmsg1(50, "SetdebugCmd: %s", dir->msg);
scan = sscanf(dir->msg, setdebugv2cmd, &level, &trace_flag, &hangup_flag,
×tamp_flag);
if (scan != 4) {
scan = sscanf(dir->msg, setdebugv1cmd, &level, &trace_flag, &hangup_flag);
}
if (scan != 3 && scan != 4) {
scan = sscanf(dir->msg, setdebugv0cmd, &level, &trace_flag);
if (scan != 2) {
PmStrcpy(jcr->errmsg, dir->msg);
dir->fsend(_("2991 Bad setdebug command: %s\n"), jcr->errmsg);
return false;
} else {
hangup_flag = -1;
}
}
PoolMem tracefilename(PM_FNAME);
Mmsg(tracefilename, "%s/%s.trace", TRACEFILEDIRECTORY, my_name);
if (level >= 0) { debug_level = level; }
SetTrace(trace_flag);
SetHangup(hangup_flag);
if (scan == 4) {
SetTimestamp(timestamp_flag);
Dmsg5(50, "level=%d trace=%d hangup=%d timestamp=%d tracefilename=%s\n",
level, GetTrace(), GetHangup(), GetTimestamp(),
tracefilename.c_str());
return dir->fsend(OKsetdebugv1, level, GetTrace(), GetHangup(),
GetTimestamp(), tracefilename.c_str());
} else {
Dmsg4(50, "level=%d trace=%d hangup=%d tracefilename=%s\n", level,
GetTrace(), GetHangup(), tracefilename.c_str());
return dir->fsend(OKsetdebugv0, level, GetTrace(), GetHangup(),
tracefilename.c_str());
}
}
static bool EstimateCmd(JobControlRecord* jcr)
{
BareosSocket* dir = jcr->dir_bsock;
char ed1[50], ed2[50];
/*
* See if we are allowed to run estimate cmds.
*/
if (!ValidateCommand(
jcr, "estimate",
(jcr->impl->director && jcr->impl->director->allowed_job_cmds)
? jcr->impl->director->allowed_job_cmds
: me->allowed_job_cmds)) {
dir->fsend(_("2992 Bad estimate command.\n"));
return 0;
}
if (sscanf(dir->msg, Estimatecmd, &jcr->impl->listing) != 1) {
PmStrcpy(jcr->errmsg, dir->msg);
Jmsg(jcr, M_FATAL, 0, _("Bad estimate command: %s"), jcr->errmsg);
dir->fsend(_("2992 Bad estimate command.\n"));
return false;
}
MakeEstimate(jcr);
dir->fsend(OKest, edit_uint64_with_commas(jcr->impl->num_files_examined, ed1),
edit_uint64_with_commas(jcr->JobBytes, ed2));
dir->signal(BNET_EOD);
return true;
}
/**
* Get JobId and Storage Daemon Authorization key from Director
*/
static bool job_cmd(JobControlRecord* jcr)
{
BareosSocket* dir = jcr->dir_bsock;
JobCommand command(dir->msg);
if (!command.EvaluationSuccesful()) {
PmStrcpy(jcr->errmsg, dir->msg);
Jmsg(jcr, M_FATAL, 0, _("Bad Job Command: %s"), jcr->errmsg);
dir->fsend(BADjob);
return false;
}
jcr->JobId = command.job_id_;
strncpy(jcr->Job, command.job_, sizeof(jcr->Job));
jcr->VolSessionId = command.vol_session_id_;
jcr->VolSessionTime = command.vol_session_time_;
TlsPolicy tls_policy =
command.protocol_version_ ==
JobCommand::ProtocolVersion::KVersionBefore_18_2
? TlsPolicy::kBnetTlsNone
: command.tls_policy_;
SetStorageAuthKeyAndTlsPolicy(jcr, command.sd_auth_key_, tls_policy);
Dmsg3(120, "JobId=%d Auth=%s TlsPolicy=%d\n", jcr->JobId, jcr->sd_auth_key,
tls_policy);
Mmsg(jcr->errmsg, "JobId=%d Job=%s", jcr->JobId, jcr->Job);
NewPlugins(jcr); /* instantiate plugins for this jcr */
GeneratePluginEvent(jcr, bEventJobStart, (void*)jcr->errmsg);
const char* os_version;
#ifdef HAVE_WIN32
os_version = win_os;