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XrdConfig.cc
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XrdConfig.cc
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/*******************************************************************************/
/* */
/* X r d C o n f i g . c c */
/* */
/* (c) 2011 by the Board of Trustees of the Leland Stanford, Jr., University */
/* Produced by Andrew Hanushevsky for Stanford University under contract */
/* DE-AC02-76-SFO0515 with the Deprtment of Energy */
/* */
/* This file is part of the XRootD software suite. */
/* */
/* XRootD is free software: you can redistribute it and/or modify it under */
/* the terms of the GNU Lesser General Public License as published by the */
/* Free Software Foundation, either version 3 of the License, or (at your */
/* option) any later version. */
/* */
/* XRootD 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 Lesser General Public */
/* License for more details. */
/* */
/* You should have received a copy of the GNU Lesser General Public License */
/* along with XRootD in a file called COPYING.LESSER (LGPL license) and file */
/* COPYING (GPL license). If not, see <http://www.gnu.org/licenses/>. */
/* */
/* The copyright holder's institutional names and contributor's names may not */
/* be used to endorse or promote products derived from this software without */
/* specific prior written permission of the institution or contributor. */
/******************************************************************************/
/*
The default port number comes from:
1) The command line option,
2) The config file,
3) The /etc/services file for service corresponding to the program name.
*/
#include <unistd.h>
#include <ctype.h>
#include <pwd.h>
#include <string.h>
#include <stdio.h>
#include <sys/param.h>
#include <sys/resource.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "XrdVersion.hh"
#include "Xrd/XrdConfig.hh"
#include "Xrd/XrdInfo.hh"
#include "Xrd/XrdLink.hh"
#include "Xrd/XrdPoll.hh"
#include "Xrd/XrdStats.hh"
#include "XrdNet/XrdNetSecurity.hh"
#include "XrdOuc/XrdOuca2x.hh"
#include "XrdOuc/XrdOucEnv.hh"
#include "XrdOuc/XrdOucSiteName.hh"
#include "XrdOuc/XrdOucStream.hh"
#include "XrdOuc/XrdOucUtils.hh"
#include "XrdSys/XrdSysDNS.hh"
#include "XrdSys/XrdSysHeaders.hh"
#include "XrdSys/XrdSysTimer.hh"
#ifdef __linux__
#include <netinet/tcp.h>
#endif
#ifdef __macos__
#include <AvailabilityMacros.h>
#endif
/******************************************************************************/
/* S t a t i c O b j e c t s */
/******************************************************************************/
const char *XrdConfig::TraceID = "Config";
/******************************************************************************/
/* d e f i n e s */
/******************************************************************************/
#define TS_Xeq(x,m) if (!strcmp(x,var)) return m(eDest, Config);
#ifndef S_IAMB
#define S_IAMB 0x1FF
#endif
/******************************************************************************/
/* L o c a l C l a s s e s */
/******************************************************************************/
/******************************************************************************/
/* X r d C o n f i g P r o t */
/******************************************************************************/
class XrdConfigProt
{
public:
XrdConfigProt *Next;
char *proname;
char *libpath;
char *parms;
int port;
int wanopt;
XrdConfigProt(char *pn, char *ln, char *pp, int np=-1, int wo=0)
{Next = 0; proname = pn; libpath = ln; parms = pp;
port=np; wanopt = wo;
}
~XrdConfigProt()
{free(proname);
if (libpath) free(libpath);
if (parms) free(parms);
}
};
/******************************************************************************/
/* X r d L o g W o r k e r */
/******************************************************************************/
class XrdLogWorker : XrdJob
{
public:
void DoIt() {theLog->Say(0, XrdBANNER);
theLog->Say(0, mememe, " running.");
theSched->Schedule((XrdJob *)this,XrdSysTimer::Midnight(1));
}
XrdLogWorker(XrdSysError *eP, XrdScheduler *sP, char *who)
: XrdJob("midnight runner"), theLog(eP), theSched(sP),
mememe(strdup(who))
{theSched->Schedule((XrdJob *)this, XrdSysTimer::Midnight(1));}
~XrdLogWorker() {}
private:
XrdSysError *theLog;
XrdScheduler *theSched;
const char *mememe;
};
/******************************************************************************/
/* C o n s t r u c t o r */
/******************************************************************************/
XrdConfig::XrdConfig() : Log(&Logger, "Xrd"), Trace(&Log), Sched(&Log, &Trace),
BuffPool(&Log, &Trace)
{
// Preset all variables with common defaults
//
PortTCP = -1;
PortUDP = -1;
PortWAN = 0;
ConfigFN = 0;
myInsName= 0;
mySitName= 0;
AdminPath= strdup("/tmp");
AdminMode= 0700;
Police = 0;
Net_Blen = 0; // Accept OS default (leave Linux autotune in effect)
Net_Opts = 0;
Wan_Blen = 1024*1024; // Default window size 1M
Wan_Opts = 0;
repDest[0] = 0;
repDest[1] = 0;
repInt = 600;
repOpts = 0;
NetTCPlep = -1;
NetADM = 0;
memset(NetTCP, 0, sizeof(NetTCP));
Firstcp = Lastcp = 0;
ProtInfo.eDest = &Log; // Stable -> Error Message/Logging Handler
ProtInfo.NetTCP = 0; // Stable -> Network Object
ProtInfo.BPool = &BuffPool; // Stable -> Buffer Pool Manager
ProtInfo.Sched = &Sched; // Stable -> System Scheduler
ProtInfo.ConfigFN= 0; // We will fill this in later
ProtInfo.Stats = 0; // We will fill this in later
ProtInfo.Trace = &Trace; // Stable -> Trace Information
ProtInfo.AdmPath = AdminPath; // Stable -> The admin path
ProtInfo.AdmMode = AdminMode; // Stable -> The admin path mode
ProtInfo.Reserved= 0; // Use to be the Thread Manager
ProtInfo.Format = XrdFORMATB;
ProtInfo.WANPort = 0;
ProtInfo.WANWSize = 0;
ProtInfo.WSize = 0;
ProtInfo.ConnMax = -1; // Max connections (fd limit)
ProtInfo.readWait = 3*1000; // Wait time for data before we reschedule
ProtInfo.idleWait = 0; // Seconds connection may remain idle (0=off)
ProtInfo.hailWait =30*1000; // Wait time for data before we drop connection
ProtInfo.DebugON = 0; // 1 if started with -d
ProtInfo.argc = 0;
ProtInfo.argv = 0;
}
/******************************************************************************/
/* C o n f i g u r e */
/******************************************************************************/
int XrdConfig::Configure(int argc, char **argv)
{
/*
Function: Establish configuration at start up time.
Input: None.
Output: 0 upon success or !0 otherwise.
*/
const char *xrdInst="XRDINSTANCE=";
static sockaddr myIPAddr;
int n, retc, NoGo = 0, clPort = -1, optbg = 0;
const char *temp;
char c, buff[512], *dfltProt, *logfn = 0;
long long logkeep = 0;
uid_t myUid = 0;
gid_t myGid = 0;
extern char *optarg;
extern int optind, opterr;
int pipeFD[2] = {-1, -1};
const char *pidFN = 0;
static const int myMaxc = 80;
char *myArgv[myMaxc], argBuff[myMaxc*3+8];
char *argbP = argBuff, *argbE = argbP+sizeof(argBuff)-4;
int myArgc = 1;
// Obtain the protocol name we will be using
//
retc = strlen(argv[0]);
while(retc--) if (argv[0][retc] == '/') break;
myProg = dfltProt = &argv[0][retc+1];
// Setup the initial required protocol. The program name matches the protocol
// name but may be arbitrarily suffixed. We need to ignore this suffix. So we
// look for it here and it it exists we duplicate argv[0] (yes, loosing some
// bytes - sorry valgrind) without the suffix.
//
if (*dfltProt != '.' )
{char *p = dfltProt;
while (*p && *p != '.') p++;
if (*p == '.') {*p = '\0'; dfltProt = strdup(dfltProt); *p = '.';}
}
myArgv[0] = argv[0];
// Process the options. Note that we cannot passthrough long options or
// options that take arguments because getopt permutes the arguments.
//
opterr = 0;
if (argc > 1 && '-' == *argv[1])
while ((c = getopt(argc,argv,":bc:dhHk:l:n:p:P:R:s:S:v"))
&& ((unsigned char)c != 0xff))
{ switch(c)
{
case 'b': optbg = 1;
break;
case 'c': if (ConfigFN) free(ConfigFN);
ConfigFN = strdup(optarg);
break;
case 'd': Trace.What |= TRACE_ALL;
ProtInfo.DebugON = 1;
XrdOucEnv::Export("XRDDEBUG", "1");
break;
case 'h': Usage(0);
break;
case 'H': Usage(-1);
break;
case 'k': n = strlen(optarg)-1;
retc = (isalpha(optarg[n])
? XrdOuca2x::a2sz(Log,"keep size", optarg,&logkeep)
: XrdOuca2x::a2ll(Log,"keep count",optarg,&logkeep));
if (retc) Usage(1);
if (!isalpha(optarg[n])) logkeep = -logkeep;
break;
case 'l': if (logfn) free(logfn);
logfn = strdup(optarg);
break;
case 'n': myInsName = (!strcmp(optarg,"anon")||!strcmp(optarg,"default")
? 0 : optarg);
break;
case 'p': if ((clPort = yport(&Log, "tcp", optarg)) < 0) Usage(1);
break;
case 'P': dfltProt = optarg;
break;
case 'R': if (!(getUG(optarg, myUid, myGid))) Usage(1);
break;
case 's': pidFN = optarg;
break;
case 'S': mySitName = optarg;
break;
case ':': buff[0] = '-'; buff[1] = optopt; buff[2] = 0;
Log.Emsg("Config", buff, "parameter not specified.");
Usage(1);
break;
case 'v': cerr <<XrdVSTRING <<endl;
_exit(0);
break;
default: if (optopt == '-' && *(argv[optind]+1) == '-')
{Log.Emsg("Config", "Long options are not supported.");
Usage(1);
}
if (myArgc >= myMaxc || argbP >= argbE)
{Log.Emsg("Config", "Too many command line arguments.");
Usage(1);
}
myArgv[myArgc++] = argbP;
*argbP++ = '-'; *argbP++ = optopt; *argbP++ = 0;
break;
}
}
// Set the site name if we have one
//
if (mySitName) mySitName = XrdOucSiteName::Set(mySitName);
// Drop into non-privileged state if so requested
//
if (myGid && setegid(myGid))
{Log.Emsg("Config", errno, "set effective gid"); exit(17);}
if (myUid && seteuid(myUid))
{Log.Emsg("Config", errno, "set effective uid"); exit(17);}
// Pass over any parameters
//
if (argc-optind+2 >= myMaxc)
{Log.Emsg("Config", "Too many command line arguments.");
Usage(1);
}
for ( ; optind < argc; optind++) myArgv[myArgc++] = argv[optind];
myArgv[myArgc] = 0;
ProtInfo.argc = myArgc;
ProtInfo.argv = myArgv;
// Resolve background/foreground issues
//
if (optbg)
{
#ifdef WIN32
XrdOucUtils::Undercover(&Log, !logfn);
#else
if (pipe( pipeFD ) == -1)
{Log.Emsg("Config", errno, "create a pipe"); exit(17);}
XrdOucUtils::Undercover(Log, !logfn, pipeFD);
#endif
}
// Bind the log file if we have one
//
if (logfn)
{char *lP;
if (!(logfn = XrdOucUtils::subLogfn(Log,myInsName,logfn))) _exit(16);
if (logkeep) Log.logger()->setKeep(logkeep);
Log.logger()->Bind(logfn, 24*60*60);
if ((lP = rindex(logfn,'/'))) {*(lP+1) = '\0'; lP = logfn;}
else lP = (char *)"./";
XrdOucEnv::Export("XRDLOGDIR", lP);
free(logfn);
}
// Get the full host name. In theory, we should always get some kind of name.
//
if (!(myName = XrdSysDNS::getHostName()))
{Log.Emsg("Config", "Unable to determine host name; "
"execution terminated.");
_exit(16);
}
// Verify that we have a real name. We've had problems with people setting up
// bad /etc/hosts files that can cause connection failures if "allow" is used.
// Otherwise, determine our domain name.
//
if (isdigit(*myName) && (isdigit(*(myName+1)) || *(myName+1) == '.'))
{Log.Emsg("Config", myName, "is not the true host name of this machine.");
Log.Emsg("Config", "Verify that the '/etc/hosts' file is correct and "
"this machine is registered in DNS.");
Log.Emsg("Config", "Execution continues but connection failures may occur.");
myDomain = 0;
} else if (!(myDomain = index(myName, '.')))
Log.Say("Config warning: this hostname, ", myName,
", is registered without a domain qualification.");
// Get our IP address
//
XrdSysDNS::getHostAddr(myName, &myIPAddr);
ProtInfo.myName = myName;
ProtInfo.myAddr = &myIPAddr;
ProtInfo.myInst = XrdOucUtils::InstName(myInsName);
ProtInfo.myProg = myProg;
// Set the Environmental variable to hold the instance name
// XRDINSTANCE=<pgm> <instance name>@<host name>
// XrdOucEnv::Export("XRDINSTANCE")
//
sprintf(buff,"%s%s %s@%s", xrdInst, myProg, ProtInfo.myInst, myName);
myInstance = strdup(buff);
putenv(myInstance); // XrdOucEnv::Export("XRDINSTANCE",...)
myInstance += strlen(xrdInst);
XrdOucEnv::Export("XRDHOST", myName);
XrdOucEnv::Export("XRDNAME", ProtInfo.myInst);
XrdOucEnv::Export("XRDPROG", myProg);
// Put out the herald
//
Log.Say(0, "Scalla is starting. . .");
Log.Say(XrdBANNER);
// Setup the initial required protocol.
//
Firstcp = Lastcp = new XrdConfigProt(strdup(dfltProt), 0, 0);
// Process the configuration file, if one is present
//
Log.Say("++++++ ", myInstance, " initialization started.");
if (ConfigFN && *ConfigFN)
{Log.Say("Config using configuration file ", ConfigFN);
ProtInfo.ConfigFN = ConfigFN;
setCFG();
NoGo = ConfigProc();
}
if (clPort >= 0) PortTCP = clPort;
if (ProtInfo.DebugON)
{Trace.What = TRACE_ALL;
XrdSysThread::setDebug(&Log);
}
if (!NoGo) NoGo = Setup(dfltProt);
// If we hae a net name change the working directory
//
if (myInsName) XrdOucUtils::makeHome(Log, myInsName);
// if we call this it means that the daemon has forked and we are
// in the child process
#ifndef WIN32
if (optbg)
{
if (pidFN && !XrdOucUtils::PidFile(Log, pidFN ) )
NoGo = 1;
int status = NoGo ? 1 : 0;
if(write( pipeFD[1], &status, sizeof( status ) )) {};
close( pipeFD[1]);
}
#endif
// Establish a pid/manifest file for auto-collection
//
if (!NoGo) Manifest(pidFN);
// All done, close the stream and return the return code.
//
temp = (NoGo ? " initialization failed." : " initialization completed.");
sprintf(buff, "%s:%d", myInstance, PortTCP);
Log.Say("------ ", buff, temp);
if (logfn) new XrdLogWorker(&Log, &Sched, buff);
return NoGo;
}
/******************************************************************************/
/* C o n f i g X e q */
/******************************************************************************/
int XrdConfig::ConfigXeq(char *var, XrdOucStream &Config, XrdSysError *eDest)
{
int dynamic;
// Determine whether is is dynamic or not
//
if (eDest) dynamic = 1;
else {dynamic = 0; eDest = &Log;}
// Process common items
//
TS_Xeq("buffers", xbuf);
TS_Xeq("network", xnet);
TS_Xeq("sched", xsched);
TS_Xeq("trace", xtrace);
// Process items that can only be processed once
//
if (!dynamic)
{
TS_Xeq("adminpath", xapath);
TS_Xeq("allow", xallow);
TS_Xeq("port", xport);
TS_Xeq("protocol", xprot);
TS_Xeq("report", xrep);
TS_Xeq("sitename", xsit);
TS_Xeq("timeout", xtmo);
}
// No match found, complain.
//
eDest->Say("Config warning: ignoring unknown xrd directive '",var,"'.");
Config.Echo();
return 0;
}
/******************************************************************************/
/* P r i v a t e F u n c t i o n s */
/******************************************************************************/
/******************************************************************************/
/* A S o c k e t */
/******************************************************************************/
int XrdConfig::ASocket(const char *path, const char *fname, mode_t mode)
{
char xpath[MAXPATHLEN+8], sokpath[108];
int plen = strlen(path), flen = strlen(fname);
int rc;
// Make sure we can fit everything in our buffer
//
if ((plen + flen + 3) > (int)sizeof(sokpath))
{Log.Emsg("Config", "admin path", path, "too long");
return 1;
}
// Create the directory path
//
strcpy(xpath, path);
if ((rc = XrdOucUtils::makePath(xpath, mode)))
{Log.Emsg("Config", rc, "create admin path", xpath);
return 1;
}
// *!*!* At this point we do not yet support the admin path for xrd.
// sp we comment out all of the following code.
/*
// Construct the actual socket name
//
if (sokpath[plen-1] != '/') sokpath[plen++] = '/';
strcpy(&sokpath[plen], fname);
// Create an admin network
//
NetADM = new XrdInet(&Log);
if (myDomain) NetADM->setDomain(myDomain);
// Bind the netwok to the named socket
//
if (!NetADM->Bind(sokpath)) return 1;
// Set the mode and return
//
chmod(sokpath, mode); // This may fail on some platforms
*/
return 0;
}
/******************************************************************************/
/* C o n f i g P r o c */
/******************************************************************************/
int XrdConfig::ConfigProc()
{
char *var;
int cfgFD, retc, NoGo = 0;
XrdOucEnv myEnv;
XrdOucStream Config(&Log, myInstance, &myEnv, "=====> ");
// Try to open the configuration file.
//
if ( (cfgFD = open(ConfigFN, O_RDONLY, 0)) < 0)
{Log.Emsg("Config", errno, "open config file", ConfigFN);
return 1;
}
Config.Attach(cfgFD);
// Now start reading records until eof.
//
while((var = Config.GetMyFirstWord()))
if (!strncmp(var, "xrd.", 4)
|| !strcmp (var, "all.adminpath")
|| !strcmp (var, "all.sitename" ))
if (ConfigXeq(var+4, Config)) {Config.Echo(); NoGo = 1;}
// Now check if any errors occured during file i/o
//
if ((retc = Config.LastError()))
NoGo = Log.Emsg("Config", retc, "read config file", ConfigFN);
Config.Close();
// Return final return code
//
return NoGo;
}
/******************************************************************************/
/* g e t U G */
/******************************************************************************/
int XrdConfig::getUG(char *parm, uid_t &newUid, gid_t &newGid)
{
struct passwd *pp;
// Get the userid entry
//
if (!(*parm))
{Log.Emsg("Config", "-R user not specified."); return 0;}
if (isdigit(*parm))
{if (!(newUid = atol(parm)))
{Log.Emsg("Config", "-R", parm, "is invalid"); return 0;}
pp = getpwuid(newUid);
}
else pp = getpwnam(parm);
// Make sure it is valid and acceptable
//
if (!pp)
{Log.Emsg("Config", errno, "retrieve -R user password entry");
return 0;
}
if (!(newUid = pp->pw_uid))
{Log.Emsg("Config", "-R", parm, "is still unacceptably a superuser!");
return 0;
}
newGid = pp->pw_gid;
return 1;
}
/******************************************************************************/
/* M a n i f e s t */
/******************************************************************************/
void XrdConfig::Manifest(const char *pidfn)
{
const char *Slash;
char envBuff[8192], pwdBuff[1024], manBuff[1024], *pidP;
int envFD, envLen;
// Get the current working directory
//
if (!getcwd(pwdBuff, sizeof(pwdBuff)))
{Log.Emsg("Config", "Unable to get current working directory!");
return;
}
// Create environment string
//
envLen = snprintf(envBuff, sizeof(envBuff), "pid=%d&host=%s&inst=%s&ver=%s"
"&cfgfn=%s&cwd=%s&apath=%s&logfn=%s\n",
static_cast<int>(getpid()), ProtInfo.myName,
ProtInfo.myInst, XrdVSTRING,
(getenv("XRDCONFIGFN") ? getenv("XRDCONFIGFN") : ""),
pwdBuff, ProtInfo.AdmPath, Log.logger()->xlogFN());
// Find out where we should write this
//
if (pidfn && (Slash = rindex(pidfn, '/')))
{strncpy(manBuff, pidfn, Slash-pidfn); pidP = manBuff+(Slash-pidfn);}
else {strcpy(manBuff, "/tmp"); pidP = manBuff+4;}
// Construct the pid file name for ourselves
//
snprintf(pidP, sizeof(manBuff)-(pidP-manBuff), "/%s.%s.env",
ProtInfo.myProg, ProtInfo.myInst);
// Open the file
//
if ((envFD = open(manBuff, O_WRONLY|O_CREAT|O_TRUNC, 0664)) < 0)
{Log.Emsg("Config", errno, "create envfile", manBuff);
return;
}
// Write out environmental information
//
if (write(envFD, envBuff, envLen) < 0)
Log.Emsg("Config", errno, "write to envfile", manBuff);
// All done
//
close(envFD);
}
/******************************************************************************/
/* s e t C F G */
/******************************************************************************/
void XrdConfig::setCFG()
{
char cwdBuff[1024], *cfnP = cwdBuff;
int n;
// If the config file is absolute, export it as is
//
if (*ConfigFN == '/')
{XrdOucEnv::Export("XRDCONFIGFN", ConfigFN);
return;
}
// Prefix current working directory to the config file
//
if (!getcwd(cwdBuff, sizeof(cwdBuff)-strlen(ConfigFN)-2)) cfnP = ConfigFN;
else {n = strlen(cwdBuff);
if (cwdBuff[n-1] != '/') cwdBuff[n++] = '/';
strcpy(cwdBuff+n, ConfigFN);
}
// Export result
//
XrdOucEnv::Export("XRDCONFIGFN", cfnP);
}
/******************************************************************************/
/* s e t F D L */
/******************************************************************************/
int XrdConfig::setFDL()
{
struct rlimit rlim;
char buff[100];
// Get the resource limit
//
if (getrlimit(RLIMIT_NOFILE, &rlim) < 0)
return Log.Emsg("Config", errno, "get FD limit");
// Set the limit to the maximum allowed
//
rlim.rlim_cur = rlim.rlim_max;
#if (defined(__macos__) && defined(MAC_OS_X_VERSION_10_5))
if (rlim.rlim_cur == RLIM_INFINITY || rlim.rlim_cur > OPEN_MAX)
rlim.rlim_cur = OPEN_MAX;
#endif
if (setrlimit(RLIMIT_NOFILE, &rlim) < 0)
return Log.Emsg("Config", errno,"set FD limit");
// Obtain the actual limit now
//
if (getrlimit(RLIMIT_NOFILE, &rlim) < 0)
return Log.Emsg("Config", errno, "get FD limit");
// Establish operating limit
//
ProtInfo.ConnMax = rlim.rlim_cur;
sprintf(buff, "%d", ProtInfo.ConnMax);
Log.Say("Config maximum number of connections restricted to ", buff);
return 0;
}
/******************************************************************************/
/* S e t u p */
/******************************************************************************/
int XrdConfig::Setup(char *dfltp)
{
XrdInet *NetWAN;
XrdConfigProt *cp;
int i, wsz, arbNet;
// Establish the FD limit
//
if (setFDL()) return 1;
// Special handling for Linux sendfile()
//
#if defined(__linux__) && defined(TCP_CORK)
{ int sokFD, setON = 1;
if ((sokFD = socket(PF_INET, SOCK_STREAM, 0)) >= 0)
{setsockopt(sokFD, XrdSysDNS::getProtoID("tcp"), TCP_NODELAY,
&setON, sizeof(setON));
if (setsockopt(sokFD, SOL_TCP, TCP_CORK, &setON, sizeof(setON)) < 0)
XrdLink::sfOK = 0;
close(sokFD);
}
}
#endif
// Indicate how sendfile is being handled
//
TRACE(NET,"sendfile " <<(XrdLink::sfOK ? "enabled." : "disabled!"));
// Initialize the buffer manager
//
BuffPool.Init();
// Start the scheduler
//
Sched.Start();
// Setup the link and socket polling infrastructure
//
XrdLink::Init(&Log, &Trace, &Sched);
XrdPoll::Init(&Log, &Trace, &Sched);
if (!XrdLink::Setup(ProtInfo.ConnMax, ProtInfo.idleWait)
|| !XrdPoll::Setup(ProtInfo.ConnMax)) return 1;
// Modify the AdminPath to account for any instance name. Note that there is
// a negligible memory leak under ceratin path combinations. Not enough to
// warrant a lot of logic to get around.
//
if (myInsName) ProtInfo.AdmPath = XrdOucUtils::genPath(AdminPath,myInsName);
else ProtInfo.AdmPath = AdminPath;
XrdOucEnv::Export("XRDADMINPATH", ProtInfo.AdmPath);
AdminPath = XrdOucUtils::genPath(AdminPath, myInsName, ".xrd");
// Setup admin connection now
//
if (ASocket(AdminPath, "admin", (mode_t)AdminMode)) return 1;
// Determine the default port number (only for xrootd) if not specified.
//
if (PortTCP < 0)
{if ((PortTCP = XrdSysDNS::getPort(dfltp, "tcp"))) PortUDP = PortTCP;
else PortTCP = -1;
}
// We now go through all of the protocols and get each respective port number.
//
XrdProtLoad::Init(&Log, &Trace); cp = Firstcp;
while(cp)
{ProtInfo.Port = (cp->port < 0 ? PortTCP : cp->port);
XrdOucEnv::Export("XRDPORT", ProtInfo.Port);
if ((cp->port = XrdProtLoad::Port(cp->libpath, cp->proname,
cp->parms, &ProtInfo)) < 0) return 1;
cp = cp->Next; i++;
}
// Allocate the statistics object. This is akward since we only know part
// of the current configuration. The object will figure this out later.
//
ProtInfo.Stats = new XrdStats(&Log, &Sched, &BuffPool,
ProtInfo.myName, Firstcp->port,
ProtInfo.myInst, ProtInfo.myProg, mySitName);
// Allocate a WAN port number of we need to
//
if (PortWAN && (NetWAN = new XrdInet(&Log, &Trace, Police)))
{if (Wan_Opts || Wan_Blen) NetWAN->setDefaults(Wan_Opts, Wan_Blen);
if (myDomain) NetWAN->setDomain(myDomain);
if (NetWAN->Bind((PortWAN > 0 ? PortWAN : 0), "tcp")) return 1;
PortWAN = NetWAN->Port();
wsz = NetWAN->WSize();
Wan_Blen = (wsz < Wan_Blen || !Wan_Blen ? wsz : Wan_Blen);
TRACE(NET,"WAN port " <<PortWAN <<" wsz=" <<Wan_Blen <<" (" <<wsz <<')');
NetTCP[XrdProtLoad::ProtoMax] = NetWAN;
} else {PortWAN = 0; Wan_Blen = 0;}
// Load the protocols. For each new protocol port number, create a new
// network object to handle the port dependent communications part. All
// port issues will have been resolved at this point.
//
arbNet = XrdProtLoad::ProtoMax;
while((cp = Firstcp))
{if (!(cp->port)) i = arbNet;
else for (i = 0; i < XrdProtLoad::ProtoMax && NetTCP[i]; i++)
{if (cp->port == NetTCP[i]->Port()) break;}
if (i >= XrdProtLoad::ProtoMax || !NetTCP[i])
{NetTCP[++NetTCPlep] = new XrdInet(&Log, &Trace, Police);
if (Net_Opts || Net_Blen)
NetTCP[NetTCPlep]->setDefaults(Net_Opts, Net_Blen);
if (myDomain) NetTCP[NetTCPlep]->setDomain(myDomain);
if (NetTCP[NetTCPlep]->Bind(cp->port, "tcp")) return 1;
ProtInfo.Port = NetTCP[NetTCPlep]->Port();
ProtInfo.NetTCP = NetTCP[NetTCPlep];
wsz = NetTCP[NetTCPlep]->WSize();
ProtInfo.WSize = (wsz < Net_Blen || !Net_Blen ? wsz : Net_Blen);
TRACE(NET,"LCL port " <<ProtInfo.Port <<" wsz=" <<ProtInfo.WSize
<<" (" <<wsz <<')');
if (cp->wanopt)
{ProtInfo.WANPort = PortWAN;
ProtInfo.WANWSize= Wan_Blen;
} else ProtInfo.WANPort = ProtInfo.WANWSize = 0;
if (!(cp->port)) arbNet = NetTCPlep;
if (!NetTCPlep) XrdLink::Init(NetTCP[0]);
XrdOucEnv::Export("XRDPORT", ProtInfo.Port);
}
if (!XrdProtLoad::Load(cp->libpath,cp->proname,cp->parms,&ProtInfo))
return 1;
Firstcp = cp->Next; delete cp;
}
// Leave the env port number to be the first used port number. This may
// or may not be the same as the default port number.
//
ProtInfo.Port = NetTCP[0]->Port();
PortTCP = ProtInfo.Port;
XrdOucEnv::Export("XRDPORT", PortTCP);
// Now check if we have to setup automatic reporting
//
if (repDest[0] != 0 && repOpts)
ProtInfo.Stats->Report(repDest, repInt, repOpts);
// All done
//
return 0;
}
/******************************************************************************/
/* U s a g e */
/******************************************************************************/
void XrdConfig::Usage(int rc)
{
extern const char *XrdLicense;
if (rc < 0) cerr <<XrdLicense;
else
cerr <<"\nUsage: " <<myProg <<" [-b] [-c <cfn>] [-d] [-h] [-H] [-k {n|sz}] "
"[-l <fn>] [-n name] [-p <port>] [-P <prot>] [-s pidfile] [-S site] "
"[<prot_options>]" <<endl;
_exit(rc > 0 ? rc : 0);
}
/******************************************************************************/
/* x a p a t h */
/******************************************************************************/
/* Function: xapath
Purpose: To parse the directive: adminpath <path> [group]
<path> the path of the FIFO to use for admin requests.
group allows group access to the admin path
Note: A named socket is created <path>/<name>/.xrd/admin
Output: 0 upon success or !0 upon failure.
*/
int XrdConfig::xapath(XrdSysError *eDest, XrdOucStream &Config)
{
char *pval, *val;
mode_t mode = S_IRWXU;
// Get the path
//
pval = Config.GetWord();
if (!pval || !pval[0])
{eDest->Emsg("Config", "adminpath not specified"); return 1;}
// Make sure it's an absolute path
//
if (*pval != '/')
{eDest->Emsg("Config", "adminpath not absolute"); return 1;}
// Record the path
//
if (AdminPath) free(AdminPath);
AdminPath = strdup(pval);
// Get the optional access rights
//
if ((val = Config.GetWord()) && val[0])
{if (!strcmp("group", val)) mode |= S_IRWXG;
else {eDest->Emsg("Config", "invalid admin path modifier -", val);
return 1;
}
}
AdminMode = ProtInfo.AdmMode = mode;
return 0;
}
/******************************************************************************/
/* x a l l o w */
/******************************************************************************/
/* Function: xallow
Purpose: To parse the directive: allow {host | netgroup} <name>
<name> The dns name of the host that is allowed to connect or the
netgroup name the host must be a member of. For DNS names,
a single asterisk may be specified anywhere in the name.
Output: 0 upon success or !0 upon failure.
*/
int XrdConfig::xallow(XrdSysError *eDest, XrdOucStream &Config)
{
char *val;
int ishost;
if (!(val = Config.GetWord()))
{eDest->Emsg("Config", "allow type not specified"); return 1;}
if (!strcmp(val, "host")) ishost = 1;
else if (!strcmp(val, "netgroup")) ishost = 0;
else {eDest->Emsg("Config", "invalid allow type -", val);
return 1;
}
if (!(val = Config.GetWord()))
{eDest->Emsg("Config", "allow target name not specified"); return 1;}
if (!Police) Police = new XrdNetSecurity();
if (ishost) Police->AddHost(val);
else Police->AddNetGroup(val);
return 0;
}