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have done the semget() as root. The problem is that become_root() and
unbecome_root() are so slow!
I've provided two options. The default is to set the semaphores (but
_not_ the shared memory) world writeable so that a become_root() isn't
needed. Otherwise you can define SECURE_SEMAPHORES and pay the
performance penalty.
and made it private to the 2 shmem implementations. Added new
shmops->hash_size() function.
Added code to handle the IPC system limits by looping decreasing the
size of the resources (semaphores and shared memory) that we request
until we get under the system limits, which can be quite low on some
systems!
Added checks that the creator of the IPC objects is root. Otherwise we
would be open to a security hole where someone pre-creates the shared
memory segment and attaches.
It will try sysv IPC first, then if that fails it will try mmap(),
then after that it will try share files.
I have defined USE_SYSV_IPC for Linux, Solaris and HPUX at the
moment. Probably a lot more could have it defined. In fact, the vast
majority of systems support it. Need autoconf again :-)
It should actually be faster than the mmap() version, and doesn't need
any lock files. This means the problem of the share mem file being on
a NFS drive will be gone.
0644. smbstatus now gets only read permission on the share files and
does no locking.
also get rid of some unnecessary umask(0) calls. smbd always runs with
umask(0)
'dos filetimes' parameter for UTIME fix.
locking_shm.c: Fixed typo (sorry Andrew :-).
namepacket.c: Changed lp_interfaces_only() to lp_bind_interfaces_only().
proto.h: The usual.
reply.c: Made filetime calls use new file_utime call (wrapper for sys_utime).
server.c: Made filetime calls use new file_utime call (wrapper for sys_utime).
system.c: Added Andrew's sanity checks to times in sys_utime().
time.c: Moved set_filetime() to server.c. Made null_mtime()global.
trans2.c: Made filetime calls use new file_utime call (wrapper for sys_utime).
Jeremy (jallison@whistle.com)
The shares modes code is now split into separate files. The shared
memory implementation is in locking_shm.c. The slow implementation is
in locking_slow.c
It is all controlled by a struct share_ops structure that has function
pointers to the implementation of all the functions needed by a share
modes implementation. An initialisation function sets up this
structure. This will make adding new implementations easy and clean.
This also allowed me to get rid of the ugly code in smbstatus. Now
status.c links to the locking code and calls methods in share_ops.
I also renamed some things and generally organised things in a much
cleaner fashion. Defines and structures specific to each
implementation have been moved to the appropriate file and out of
smb.h.
interface.c: Added is_local_net().
locking.c: Added Fix for zero length share files from Gerald Werner <wernerg@mfldclin.edu>
plus a race condition fix for the fix.
nameannounce.c: Made function static.
namedbresp.c: extern int ClientDGRAM removed - not used.
namedbserver.c: extern int ClientDGRAM removed - not used.
namedbsubnet.c: Added code to make sockets per subnet.
namepacket.c: Added code to read from all sockets & filter.
nameresp.c: extern int ClientDGRAM removed - not used.
nameserv.c: Indentation tidyup :-).
nameserv.h: Added sockets to struct subnet.
nameservresp.c: Improved debug message.
nmbd.c: Changed to terminte on listen_for_packets exiting.
nmbsync.c: extern int ClientDGRAM & ClientNMB removed - not used.
proto.h: The usual.
util.c: Fixed debug message.
Jeremy (jallison@whistle.com)
locking.c: Adding Andrews become_root code to the main branch.
pipes.c: Fixing the close_file issue.
proto.h: The usual.
reply.c: Move smb_pass into NTDOMAIN defined code. Fixing the close_file issue.
server.c: Fixing the close_file issue.
trans2.c: Fixing the close_file issue.
uid.c: Adding Andrews become_root code to the main branch.
Jeremy (jallison@whistle.com)
lsaparse.c: #ifdef'ed out code so this will compile - LUKE PLEASE CHECK THIS.
pipes.c: #ifdef'ed out code so this will compile - LUKE PLEASE CHECK THIS.
server.c: Fixed last known oplock race condition.
smb.h: Re-removed USE_OPLOCK defines - someone checked in an old version.
smbparse.c: #ifdef'ed out code so this will compile - LUKE PLEASE CHECK THIS.
Jeremy (jallison@whistle.com)
locking.c: Removed USE_OPLOCKS - now the default.
params.c: Removed unused variable.
proto.h: Updated.
reply.c: Removed USE_OPLOCKS - now the default.
server.c: Removed USE_OPLOCKS - now the default.
smb.h: Removed USE_OPLOCKS - now the default.
smbparse.c: Changed shadowed variable.
status.c: Removed USE_OPLOCKS - now the default.
util.c: Removed USE_OPLOCKS - now the default.
Jeremy (jallison@whistle.com)
solaris crashes.
reply.c: Added NT specific error code. Put oplock break code in correct place
in reply_lockingX.
server.c: Removed unneeded error mapping stuff.
Fixed race condition in oplock code.
trans2.c: Added NT specific error code.
util.c: Added paranoia check in interpret_addr. Some core dumps
reported here. Upped fcntl debug levels.
Andrew. Please check the NT specific error code handling (search
for the string "/* Ugly - NT specific hack - but needed (JRA) */",
this makes NT and 95 clients behave correctly here - please check
your Visual Basic apps with this code.
Jeremy (jallison@whistle.com).
Yipeee. At least as far as I can check in a short time :-).
local.h: Changed OPLOCK_BREAK_TIMEOUT to 30 seconds.
locking.c: Big changes to delete oplocks on a share mode entry.
proto.h: updated.
reply.c: Added oplock break code in lockingX reply & readbraw reply.
server.c: Add batch oplock code. Force server shutdown if client fails
to respond to oplock break.
smb.h: Fix silly slow share mode oplock define bug.
status.c: Add oplock status info.
Jeremy (jallison@whistle.com)
includes.h: Added INADDR_LOOPBACK define.
locking.c: More code to support oplocks.
proto.h: Updated.
server.c: More code to support oplocks. Moved processing of an SMB out of
process() into a separate function so it is easier to call from an oplock
break.
smb.h: Added oplock fields.
Jeremy (jallison@whistle.com)
mangle.c smb.h util.c:
Big merge to allow KANJI support to be in the main
binary without explicitly compiling with it.
locking.c: Fix for smbstatus not being able to read files.
namepacket.c: Removed unneccesary debug statement.
trans2.c: Added Luke's proposed fix (ifdefed out until further testing).
nmblookup.c: Fixed bug where query fails and status is done on bogus IP.
Jeremy (jallison@whistle.com)
client.c: Made prompt appear at debug level 0. Fixed strcasecmp redefinition.
Caused client to use set_blocking rather than making fcntl calls itself.
dir.c: Removed redundent snum parameters.
includes.h: Added SCO fixes.
loadparm.c: Made default 'files to hide' a null string.
nmbd.c: Removed O_NONBLOCK from pid file open for platforms that dont have it.
proto.h: Changed snum to cnum where needed. Changed is_xx_path to is_in_path
(now called via MACRO).
quotas.c: Swapped setuid/seteuid calls when restoring uid.
reply.c: Removed redundent snum parameters.
server.c: Changed snum to cnum where needed. Setup new veto_list, hide_list
namelists. Added standard_sub changes from
Stefaan A Eeckels <Stefaan.Eeckels@ecc.lu> and
Paul Rippin <pr3245@nopc.eurostat.cec.be>
shmem.c: Changed cast for sizeof to be int before negating.
smb.h: Added new veto_list, hide_list entries to connections.
Added IS_PRINT, IS_HIDDEN_PATH, IS_VETO_PATH macros.
trans2.c: Removed redundent snum parameters.
util.c: Added standard_sub_basic changes from
Stefaan A Eeckels <Stefaan.Eeckels@ecc.lu> and
Paul Rippin <pr3245@nopc.eurostat.cec.be>
Fixed up veto/hidden path processing so the paths are
pres-parsed and checked for wildcards (for speed).
Jeremy (jallison@whistle.com)
ipc.c: Added code for returning restricted lists of servers.
loadparm.c: Changed default for force create mode to 000.
Changed default maxmux to 50 to comply with NT.
locking.c: Fixed silly crash bug with slow share mode code.
nameannounce.c: Added code for returning restricted lists of servers.
namedbserver.c: Added code for returning restricted lists of servers.
nameelect.c: Added code for returning restricted lists of servers.
namework.c: Added code for returning restricted lists of servers.
nmbsync.c: Added code for returning restricted lists of servers.
server.c: Added quota fix Albrecht Gebhardt <albrecht.gebhardt@uni-klu.ac.at>
smb.h: Added define for COPYBUF_SIZE.
system.c: Rename across filesystems Patch from Warren Birnbaum
<warrenb@hpcvscdp.cv.hp.com>
util.c: Minor fix for warning.
locking.c: Changed aborts to returns so not so drastic on PANIC errors.
proto.h: Removed definition of open_file as this is now never externally called.
reply.c: Changed reply_mknew, reply_ctemp, reply_printopen to go through open_file_shared.
server.c: Modified open_file_shared to be more robust and be useful for printer & temp files.
Removed truncate option from open_file (now all truncates are done in open_file_shared).
util.c: Added EAGAIN to errors checked in open_socket_out().
version.h: Updated to 1.9.17alpha2.
jallison@whistle.com
Wed May 7 1997: Update for 1.9.17alpha1 release - 'browsefix release'
designed to make browsing across subnets work.
byteorder.h: Updated copyright to 1997.
charcnv.c: Updated copyright to 1997.
charset.c Updated copyright to 1997.
charset.h Updated copyright to 1997.
client.c Updated copyright to 1997.
clientutil.c Updated copyright to 1997.
dir.c Updated copyright to 1997.
fault.c Updated copyright to 1997.
includes.h Updated copyright to 1997.
interface.c Updated copyright to 1997.
ipc.c Updated copyright to 1997.
kanji.c Updated copyright to 1997.
kanji.h Updated copyright to 1997.
loadparm.c Updated copyright to 1997.
locking.c Updated copyright to 1997.
mangle.c Updated copyright to 1997.
message.c Updated copyright to 1997.
nameannounce.c
Made use of WINS subnet explicit.
Added reset_announce_timer() so announcement
can be made immediately when we become a master.
Expanded code to do sync with dmb.
namebrowse.c
Removed redundent checks for AM_MASTER in
sync code. Made use of WINS subnet explicit.
namedbname.c Made use of WINS subnet explicit.
namedbresp.c Made use of WINS subnet explicit.
namedbserver.c Made use of WINS subnet explicit.
namedbsubnet.c
Explicitly add workgroup to WINS subnet
when we become a dmb. Made use of WINS subnet explicit.
namedbwork.c
Made use of WINS subnet explicit. Removed
redundent check_work_servertype() function.
nameelect.c
Explicitly add workgroup to WINS subnet
when we become a master browser. Made use of WINS subnet explicit.
namelogon.c Updated copyright to 1997.
namepacket.c Updated copyright to 1997.
namequery.c Updated copyright to 1997.
nameresp.c
Made use of WINS subnet explicit. Made nmbd fail if
configured as master browser and one exists already.
nameserv.c
Made use of WINS subnet explicit. Remove redundent
logon server and domain master code.
nameserv.h Add emumerate subnet macros.
nameservreply.c Made use of WINS subnet explicit.
nameservresp.c Updated copyright to 1997.
namework.c
Made use of WINS subnet explicit. Updated code to
add sync browser entries to add subnet parameter.
nmbd.c
Added sanity check for misconfigured nmbd.
nmblib.c Updated copyright to 1997.
nmblookup.c Updated copyright to 1997.
nmbsync.c
Removed redundent AM_ANY_MASTER check.
params.c Updated copyright to 1997.
password.c Updated copyright to 1997.
pipes.c Updated copyright to 1997.
predict.c Updated copyright to 1997.
printing.c Updated copyright to 1997.
proto.h
Changed protos for new nmbd code.
quotas.c Updated copyright to 1997.
replace.c Updated copyright to 1997.
reply.c Updated copyright to 1997.
server.c Updated copyright to 1997.
shmem.c Updated copyright to 1997.
smb.h Updated copyright to 1997.
smbencrypt.c Updated copyright to 1997.
smbpasswd.c Updated copyright to 1997.
smbrun.c Updated copyright to 1997.
status.c Updated copyright to 1997.
system.c Updated copyright to 1997.
testparm.c Updated copyright to 1997.
testprns.c Updated copyright to 1997.
time.c Updated copyright to 1997.
trans2.c Updated copyright to 1997.
trans2.h Updated copyright to 1997.
uid.c Updated copyright to 1997.
username.c Updated copyright to 1997.
util.c Updated copyright to 1997.
version.h
Changed to 1.9.17alpha1.
Changed shm_ prefixes to smb_shm_ prefixes as shm_ is a POSIX.4
prefix. Updated fd code in FAST_SHARE_MODE code
to work with new fd indirection.
quotas.c: Fixed #ifdef not on position zero.
Jeremy. (jra@cygnus.com).
Makefile: Added AMIGA changes from Rask Ingemann Lambertsen <rask@k4315.kampsax.dtu.dk>.
charset.c: Patch for Western European Languages from Josef Hinteregger <joehtg@joehtg.co.at>
charset.h: Patch for Western European Languages from Josef Hinteregger <joehtg@joehtg.co.at>
clitar.c: Patch to re-sync after read fail from (lost contributor name, sorry).
includes.h: Patch for AMIGA from Rask Ingemann Lambertsen <rask@k4315.kampsax.dtu.dk>
includes.h: Patch for SunOS atexit by Jeremy (jra@cygnus.com)
interface.c: Patch for AMIGA from Rask Ingemann Lambertsen <rask@k4315.kampsax.dtu.dk>
kanji.h: Patch for Western European Languages from Josef Hinteregger <joehtg@joehtg.co.at>
locking.c: Patch to fix file locking from Jeremy (jra@cygnus.com)
locking.c: Patch to add granularity of lock files to usec by Jeremy (jra@cygnus.com)
pipes.c: Patch to fix file locking from Jeremy (jra@cygnus.com)
proto.h: Patch to fix file locking from Jeremy (jra@cygnus.com)
reply.c: Patch to fix file locking from Jeremy (jra@cygnus.com)
server.c: Patch to fix file locking from Jeremy (jra@cygnus.com)
server.c: Patch for FAST_SHARE_MODE fix from (lost contributor name, sorry).
smb.h: Patch to fix file locking from Jeremy (jra@cygnus.com)
smb.h: Patch to add granularity of lock files to usec by Jeremy (jra@cygnus.com)
status.c: Patch to fix file locking from Jeremy (jra@cygnus.com)
statuc.c: Patch to add granularity of lock files to usec by Jeremy (jra@cygnus.com)
system.c: Patch for Western European Languages from Josef Hinteregger <joehtg@joehtg.co.at>
trans2.c: Patch to fix file locking from Jeremy (jra@cygnus.com)
trans2.c: Patch to fix volume name reported to Win95 from Jeremy (jra@cygnus.com)
util.c: Patch for Western European Languages from Josef Hinteregger <joehtg@joehtg.co.at>
util.c: Patch to fix client_name from continuously returning UNKNOWN (from various contributors).
version.h: Update to 1.9.16p10.
set the mode on all created files. I think this is a better policy.
- change the debug levels on some items
- fix a charset handling bug which affected foreign and extended
charset users
- no longer switch back to the original directory when idle, instead
switch to / as the original directory may not be readable by ordinary
users.
- fix some bugs where the create mode of files was not being
explicitly set (it was relying on the umask and using fopen). Not a
big bug as it only affected obscure commands like the messaging ops.
- got rid of the lock code in the lpq cache as its no longer needed
- rewrote smbrun to be faster and to remove the security hole. We now
don't actually need a external smbrun binary, its all done by smbd.
- add a more explicit warning about uids and gids of -1 or 65535
that samba uses possible
- added "socket address" option to allow virtual SMB servers (on
systems with IP aliasing line Linux)
- disabled FAST_SHARE_MODES by default in Linux as older Linux boxes
can't do shared writeable mappings. We really need autoconf ...
- added new option types in loadparm so a string type can be specified
ot be uppercase only, this is used for the workgroup and netbios name
options
- auto-create the lock directory if it doesn't exist in shared mem
startup
- get rid of announce_backup()
- change a few comments in nmbd code
- rewrote the chaining code completely. Hopefully it will handle any
depth chains now.
- added LPRng support
- you can now press enter after a password prompt with "smbclient -L
hostname" and it will use a blank username and password, the same as
if you used -U%
- changed the wins.dat store code to not go via a string variable
(just use fprintf instead)
- removed a "unsigned long" that luke put back in, changing it to
uint32 to keep 64 bit machines happy. Naughtly luke!
- allow guest non-connnected print queue listings so ms client 3 can
work
