source: trunk/guitools/shared/cltinit.vrs

/* Perform basic Samba Client init stuff */

/* Samba Client Initialization 
Copyright (C) 2007-2017 Herwig Bauernfeind for bww bitwise works GmbH.

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/>.
*/

/*:VRX */
_CltInit:
    IF options.!debug == 1 THEN say time()' _CltInit() started'
    IF options.!debug == 1 THEN say '  Checking Samba Client setup...'

    /* debuglevel when executing Samba binaries */
    debuglevel = ' --debuglevel=0'

    /* Error status and file variables */
    ErrorState = 0 /* _ErrorBinaryNotFound() changes this variable */
    DataErrorState = 0 /* _ErrorDataFileNotFound() changes this variable */

    /* Evaluate environment */
    ETC      = value('ETC',,'OS2ENVIRONMENT')
    IF options.!debug == 1 THEN say '  ETC            = "'ETC'"'

    UnixRoot = value("UNIXROOT",,'OS2ENVIRONMENT')
    if UnixRoot = "" then do
        UnixRoot = left(ETC,length(ETC)-4)
        say '  WARNING! Setting missing UNIXROOT variable to "'UnixRoot'".'
        ok = value("UNIXROOT",UnixRoot,'OS2ENVIRONMENT')
    end

    IF options.!debug == 1 THEN say '  UnixRoot       = "'UnixRoot'"'

    unixetc = UnixRoot'\etc'
    IF options.!debug == 1 THEN say '  Unixetc        = "'unixetc'"'

    /* Find all executables */

    /* Get the path to this file */
    samba.!tools = VRParseFilename(VRGet("Application", "Program"),'DP')
    if samba.!tools = '' then do
        parse source . . script
        samba.!tools = VRParseFilename(script,'DP')
    end
    IF options.!debug == 1 THEN say '  Samba tools    = "'samba.!tools'"'
    say '  Changing into tools "'directory(samba.!tools)'"'

    /* smbclient.exe */
    samba.!smbclientexe = ""
    if samba.!smbclientexe = "" then do /* wellknown locations */
        Osdir = value("OSDIR",,'OS2ENVIRONMENT')
        if Osdir <> '' THEN
            WellKnown = Osdir"\apps\smbclnt;"Osdir"\system\samba;"sysBootdrive()"\samba"
        else
            WellKnown = sysBootdrive()"\ecs\system\samba;"sysBootdrive()"\samba"
        Programs = value("PROGRAMS",,'OS2ENVIRONMENT')
        if Programs <> "" then WellKnown = Wellknown';'Programs'\samba'
        Tools = value("TOOLS",,'OS2ENVIRONMENT')
        if Programs <> "" then WellKnown = Wellknown';'Tools'\samba'
        say Wellknown
        call charout , "  Are binaries in wellknown locations? "
        ok = VRFindFile("smbclient.exe",WellKnown)
        if ok <> "" then say "Yes."; else say "No."
        if ok <> "" then samba.!smbclientexe = ok
        drop Wellknown
    end
    if samba.!smbclientexe = "" then do /* in current directory? */
        call charout , "  Are binaries in current directory? "
        ok = SysFileTree('.\smbclient.exe', exist.,'FO')
        if exist.0 = 1 then say "Yes."; else say "No."
        if exist.0 = 1 then samba.!smbclientexe = exist.1
    end
    if samba.!smbclientexe = "" then do /* RPM/YUM/FHS tree */
        call charout , "  Are binaries in RPM/YUM/FHS tree? "
        ok = SysFileTree(UnixRoot'\usr\bin\smbclient.exe', exist.,'FO')
        if exist.0 = 1 then say "Yes."; else say "No."
        if exist.0 = 1 then samba.!smbclientexe = exist.1
    end
    if samba.!smbclientexe = "" then do /* in parent directory? */
        call charout , "  Are binaries in parent directory? "
        ok = SysFileTree('..\smbclient.exe', exist.,'FO')
        if exist.0 = 1 then say "Yes."; else say "No."
        if exist.0 = 1 then samba.!smbclientexe = exist.1
    end
    if samba.!smbclientexe = "" then do /* in ..\BIN directory? */
        call charout , "  Are binaries in ..\BIN directory? "
        ok = SysFileTree('..\bin\smbclient.exe', exist.,'FO')
        if exist.0 = 1 then say "Yes."; else say "No."
        if exist.0 = 1 then samba.!smbclientexe = exist.1
    end
    if samba.!smbclientexe = "" then do /* in SMB_EXE ? */
        call charout , "  Are binaries in SMB_EXE path? "
        samba.!smbclientexe = SysSearchPath("SMB_EXE","smbclient.EXE")
        if samba.!smbclientexe = "" then say "No."; else say "Yes."
    end
    if samba.!smbclientexe = "" then do /* in PATH ? */
        call charout , "  Are binaries in PATH? "
        samba.!smbclientexe = SysSearchPath("PATH","smbclient.EXE")
        if samba.!smbclientexe = "" then say "No."; else say "Yes."
    end

    if samba.!smbclientexe = "" then call _ErrorBinaryNotFound "Could not find \smbclient.exe!"

    samba.!bin = VRParseFileName(samba.!smbclientexe,'DP')
    IF options.!debug == 1 THEN say '  Samba binaries = "'samba.!bin'"'

    /* net.exe */
    samba.!netexe = samba.!bin'\net.exe'
    if \VRFileExists(samba.!netexe) then call _ErrorBinaryNotFound "Could not find \net.exe!"
    IF options.!debug == 1 THEN say '  net.exe        = "'samba.!netexe'"'

    /* testparm.exe */
    samba.!testparmexe = samba.!bin'\testparm.exe'
    if \VRFileExists(samba.!testparmexe) then call _ErrorBinaryNotFound "Could not find \testparm.exe!"
    IF options.!debug == 1 THEN say '  testparm.exe   = "'samba.!testparmexe'"'

    /* smbtree.exe */
    samba.!smbtreeexe = samba.!bin'\smbtree.exe'
    if \VRFileExists(samba.!smbtreeexe) then call _ErrorBinaryNotFound "Could not find \smbtree.exe!"
    IF options.!debug == 1 THEN say '  smbtree.exe    = "'samba.!smbtreeexe'"'

    /* nmblookup.exe */
    samba.!nmblookupexe = samba.!bin'\nmblookup.exe'
    if \VRFileExists(samba.!nmblookupexe) then call _ErrorBinaryNotFound "Could not find \nmblookup.exe!"
    IF options.!debug == 1 THEN say '  nmblookup.exe  = "'samba.!nmblookupexe'"'

    /* smbspool.exe */
    samba.!smbspoolexe = samba.!bin'\smbspool.exe'
    if \VRFileExists(samba.!smbspoolexe) then call _ErrorBinaryNotFound "Could not find \smbspool.exe!"
    IF options.!debug == 1 THEN say '  smbspool.exe   = "'samba.!smbspoolexe'"'

    /* rpcclient.exe */
    samba.!rpcclientexe = samba.!bin'\rpcclient.exe'
    if \VRFileExists(samba.!rpcclientexe) then call _ErrorBinaryNotFound "Could not find \rpcclient.exe!"
    IF options.!debug == 1 THEN say '  rpcclient.exe  = "'samba.!rpcclientexe'"'

    /* smbcacls.exe */
    samba.!smbcaclsexe = samba.!bin'\smbcacls.exe'
    if \VRFileExists(samba.!smbcaclsexe) then call _ErrorBinaryNotFound "Could not find \smbcacls.exe!"
    IF options.!debug == 1 THEN say '  smbcacls.exe  = "'samba.!smbcaclsexe'"'

    /* smb.conf */
    samba.!smbconf = ETC'\samba\smb.conf'
    if \VRFileExists(samba.!smbconf) then call _ErrorDataFileNotFound samba.!smbconf' is not present.'
    IF options.!debug == 1 THEN say '  Samba smb.conf = "'samba.!smbconf'"'

    /* complete shadow copy of smb.conf in temporary directory - should always be created on the fly */
    /* before reading from it */
    samba.!shadowsmbconf = TempDir||'smb.conf'

    /* lmhosts */
    samba.!lmhosts = ETC'\samba\lmhosts'
    if \VRFileExists(samba.!lmhosts) then call _ErrorDataFileNotFound samba.!lmhosts' is not present.'
    IF options.!debug == 1 THEN say '  Samba lmhosts  = "'samba.!lmhosts'"'

    /* FIXME: Needs to be changed for Samba 3.3+ */
    /* upcase table files - several utilities need these */
    if (\VRFileExists(samba.!bin'\lib\upcase.dat')) |,
       (\VRFileExists(samba.!bin'\lib\lowcase.dat')) |,
       (\VRFileExists(samba.!bin'\lib\valid.dat')) then call _ErrorDataFileNotFound 'upcase table files not present.'

    /* the password files - we'll create them if they don't exist */
    samba.!masterpasswd = unixetc'\master.passwd'
    if \VRFileExists(samba.!masterpasswd) then call _ErrorDataFileNotFound 'Could not find "'samba.!masterpasswd'"!'
    IF options.!debug == 1 then say '  master.passwd  = "'samba.!masterpasswd'"'

    samba.!pwddb = unixetc'\pwd.db'
    if \VRFileExists(samba.!pwddb) then call _ErrorDataFileNotFound 'Could not find "'samba.!pwddb'"!'
    IF options.!debug == 1 then say '  pwd.db         = "'samba.!pwddb'"'

    samba.!spwddb = unixetc'\spwd.db'
    if \VRFileExists(samba.!spwddb) then call _ErrorDataFileNotFound 'Could not find "'samba.!spwddb'"!'
    IF options.!debug == 1 then say '  spwd.db        = "'samba.!spwddb'"'

    samba.!group = unixetc'\group'
    if \VRFileExists(samba.!group) then call _ErrorDataFileNotFound 'Could not find "'samba.!group'"!'
    IF options.!debug == 1 then say '  group          = "'samba.!group'"'

    samba.!printcap = unixetc'\printcap'
    if \VRFileExists(samba.!printcap) then call _ErrorDataFileNotFound 'Could not find "'samba.!printcap'"!'
    IF options.!debug == 1 then say '  printcap       = "'samba.!printcap'"'

    /* Create these directories to make sure they do exist */
    ok = SysMkDir(unixetc)
    ok = SysMkDir(etc'\samba')
    ok = SysMkDir(etc'\samba\pid')
    ok = SysMkDir(etc'\samba\private')
    ok = SysMkDir(etc'\samba\lock')
    /* This EA makes the testparm warning about browsing go away. */
    /* Note: The EA is NOT marked critical as it should be, neverthelesse this fix works */
    ok = SysPutEA(etc||'\samba\lock',"MODE", "FEFF0400ED410000"x)

    /* Messages from Samba will go here */
    samba.!error = SysTempFileName(TempDir'smb_err.???')
    IF options.!debug == 1 THEN say '  samba.!error   = "'samba.!error'"'
    samba.!msg   = SysTempFileName(TempDir'smb_msg.???')
    IF options.!debug == 1 THEN say '  samba.!msg     = "'samba.!msg'"'
    /* Use of this file is deprecated */
    ErrorFile  = Tempdir'smbutil.error'

    IF options.!debug == 1 then do
        if ErrorState then say "  One or more  basic Samba Client setup errors detected!"
                      else say "  No basic Samba Client setup errors detected!"
    end
    IF options.!debug == 1 THEN say time()' _CltInit() done, Errorstate = 'Errorstate
return

/*:VRX */
_SambaFinish:
    /* Do some basic housekeeping when leaving */
    ok = SysFileTree(TempDir'smb_???.???', garbage., 'FO')
    do I = 1 to garbage.0
        ok = stream(garbage.I,'c','close')
        ok = SysFileDelete(garbage.I)
    end
return

/*:VRX */
_ErrorBinaryNotFound:
    /* Set error status variable and show a short message - incomplete! */
    msg = arg(1)
    say "ERROR: "msg
    id = VRMessage( VRWindow(), msg, "Samba Client Installation", "E" )
    ErrorState = (1|ErrorState)
return

/*:VRX */
_ErrorDataFileNotFound:
    /* Set error status variable and show a short message - incomplete! */
    msg = arg(1)
    say "ERROR: "msg
    DataErrorState = (1|DataErrorState)
return

/*:VRX */
_SambaExtendSearchPath:
    IF options.!debug == 1 THEN say time()' _SambaExtendSearchPath() started'
    /* Add binary and tools path to the PATH variable */
    old_path = value('PATH',, 'OS2ENVIRONMENT')
    if pos(translate(samba.!bin';'),translate(old_path)) = 0 then do
        if samba.!bin = samba.!tools then new_path = samba.!bin';'
        else new_path = samba.!bin';'samba.!tools';'
        ok = value('PATH', new_path || old_path, 'OS2ENVIRONMENT')
        drop new_path
    end
    drop old_path

    /* Add binary and tools path to the BEGINLIBPATH variable */
    old_beginlibpath = SysQueryExtLibPath("B")
    if pos(translate(samba.!bin';'),translate(old_beginlibpath)) = 0 then do
        if samba.!bin = samba.!tools then new_beginlibpath = samba.!bin';'old_beginlibpath
        else new_beginlibpath = samba.!bin';'samba.!tools';'old_beginlibpath
        ok = SysSetExtLibPath( new_beginlibpath, "B")
        drop new_beginlibpath
    end
    drop old_beginlibpath

    /* Set LIBPATHSTRICT (this is an option - disabled by default) */
    /* ok = value('LIBPATHSTRICT','T', 'OS2ENVIRONMENT') */

    IF options.!debug == 1 THEN say time()' _SambaExtendSearchPath() done'
return