| Commit message (Collapse) | Author | Age | Files | Lines |
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Don't use unsafe buffer operations, averting (stack) buffer overflow
when the syslog message length (including Facility and Level encoding)
would exceed 199 characters
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1) The value of rtems_bsdnet_ntpserver_count is equal to 0 when no
server is set, so the check for (rtems_bsdnet_ntpserver_count < 0)
in rtems_bsdnet_get_ntp() is wrong. The check should be "<= 0".
2) Binding the listening socket port to 0 does not work. Packets
appear on the interface, but the recvfrom in tryServer() never
returns. Changing this to the well known NTP socket 123 allows
the packets to be seen.
3) In tryServer(), an explicit check for NTP version 3 packets is made.
If the NTP server is version 4, this check fails even though the
packets seem to be the right shape.
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The readv() and writev() support was implemented in terms of multiple
calls to the read and write handlers. This imposes a problem on device
files which use an IO vector as single request entity. For example a
low-level network device (e.g. BPF(4)) may use an IO vector to create
one frame from multiple protocol layers each with its own IO vector
entry.
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Delete TOD_MICROSECONDS_PER_SECOND, TOD_MICROSECONDS_TO_TICKS() and
TOD_MILLISECONDS_TO_TICKS().
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Pass the executing thread as a function parameter. Obtain the executing
thread inside a thread dispatch critical section to avoid problems on
SMP.
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Move implementation specific parts of coremutex.h and coremutex.inl into
new header file coremuteximpl.h. The coremutex.h contains now only the
application visible API.
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Move implementation specific parts of sem.h and sem.inl into new header
file semimpl.h. The sem.h contains now only the application visible
API.
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It is invalid to issue a SIZE command once a data transfer is
in progress. For reads we issue the SIZE command before the RETR
command and get a snapshot of the file size. For writes the file size
is initialized to zero and incremented for each write chunk.
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These two header files were installed from libnetworking even
when networking was disabled. This patch moves them to a
non-networking location and updates uio.h to match the FreeBSD 8.x
source being used for the USB stack and TCP/IP stack upgrade.
- cpukit/include/memory.h
Move from cpukit/libnetworking/memory.h. No changes
- cpukit/include/sys/uio.h
Move from cpukit/libnetworking/sys/uio.h. Replace with FreeBSD 8.x version.
- cpukit/include/sys/_iovec.h
New. FreeBSD 8.x file supporting <sys/uio.h>.
- cpukit/Makefile.am
Reflect movement of <memory.h> and <sys/uio.h>.
- cpukit/preinstall.am
Regenerate
- cpukit/libnetworking/nfs/bootp_subr.c
Eliminate use of uio_procp field no longer in FreeBSD structure. This
field was set and never read so eliminating the set has no impact.
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This is the result of a sed script which converts all uses
of @{ into a consistent form.
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Make functions rtems_bsdnet_semaphore_obtain_recursive() and
rtems_bsdnet_semaphore_release_recursive() public.
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This reduces the start-up time of the network stack.
With a 1ms tick the ticks since boot value overflows after approximately
50 days. This problem is avoided with the
rtems_clock_get_uptime_seconds() function.
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The missing disconnect left the socket in an unusable state. Each send
request resulted in an EISCONN error.
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Add reserved system events RTEMS_EVENT_SYSTEM_NETWORK_SBWAIT and
RTEMS_EVENT_SYSTEM_NETWORK_SOSLEEP.
Add and use rtems_bsdnet_event_send().
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The pathconf_limits_and_options field of
rtems_filesystem_mount_table_entry_t is now a const pointer to reduce
the read-write memory demands of file system instances.
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The scope of the file system operations is the file system instance.
The scope of the file system node handlers is the file location. The
benefit of moving the operations to the mount table entry is a size
reduction of the file location (rtems_filesystem_location_info_t). The
code size is slightly increased due to additional load instructions.
Restructure rtems_filesystem_mount_table_entry_t to improve cache
efficiency.
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These modifications were required by hand after running the script.
In some cases, the file names did not match patterns. In others,
the format of the file did not match any common patterns.
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Script does what is expected and tries to do it as
smartly as possible.
+ remove occurrences of two blank comment lines
next to each other after Id string line removed.
+ remove entire comment blocks which only exited to
contain CVS Ids
+ If the processing left a blank line at the top of
a file, it was removed.
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See http://www.rtems.org/pipermail/rtems-devel/2012-May/001006.html
for details.
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o Move rtems_bsdnet_fdToSocket() and rtems_bsdnet_makeFdForSocket() to
"cpukit/libnetworking/rtems/rtems_syscall.c".
o The rtems_bsdnet_makeFdForSocket() function is now static.
o Check in rtems_bsdnet_fdToSocket() function that the file descriptor
uses the socket handlers, otherwise an error status will be returned
and errno set to ENOTSOCK.
o New test libtests/syscall01.
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o Removed RTEMS_LIBIO_PERMS_SEARCH.
o Renamed RTEMS_LIBIO_PERMS_READ in RTEMS_FS_PERMS_READ.
o Renamed RTEMS_LIBIO_PERMS_WRITE in RTEMS_FS_PERMS_WRITE.
o Renamed RTEMS_LIBIO_PERMS_EXEC in RTEMS_FS_PERMS_EXEC.
o Renamed RTEMS_LIBIO_FOLLOW_HARD_LINK in RTEMS_FS_FOLLOW_HARD_LINK.
o Renamed RTEMS_LIBIO_FOLLOW_SYM_LINK in RTEMS_FS_FOLLOW_SYM_LINK.
o Renamed RTEMS_LIBIO_MAKE in RTEMS_FS_MAKE.
o Renamed RTEMS_LIBIO_EXCLUSIVE in RTEMS_FS_EXCLUSIVE.
o Renamed RTEMS_LIBIO_ACCEPT_RESIDUAL_DELIMITERS in
RTEMS_FS_ACCEPT_RESIDUAL_DELIMITERS.
o Renamed RTEMS_LIBIO_REJECT_TERMINAL_DOT in
RTEMS_FS_REJECT_TERMINAL_DOT.
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New defaults rtems_filesystem_default_fsync_or_fdatasync() and
rtems_filesystem_default_fsync_or_fdatasync_success() for fsync_h and
fdatasync_h. The rtems_filesystem_default_fsync_or_fdatasync() sets now
errno to EINVAL according to POSIX.
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o A new data structure rtems_filesystem_global_location_t was
introduced to be used for
o the mount point location in the mount table entry,
o the file system root location in the mount table entry,
o the root directory location in the user environment, and
o the current directory location in the user environment.
During the path evaluation global start locations are obtained to
ensure that the current file system instance will be not unmounted in
the meantime.
o The user environment uses now reference counting and is protected
from concurrent access.
o The path evaluation process was completely rewritten and simplified.
The IMFS, RFS, NFS, and DOSFS use now a generic path evaluation
method. Recursive calls in the path evaluation have been replaced
with iteration to avoid stack overflows. Only the evaluation of
symbolic links is recursive. No dynamic memory allocations and
intermediate buffers are used in the high level path evaluation. No
global locks are held during the file system instance specific path
evaluation process.
o Recursive symbolic link evaluation is now limited by
RTEMS_FILESYSTEM_SYMLOOP_MAX. Applications can retrieve this value
via sysconf().
o The device file system (devFS) uses now no global variables and
allocation from the workspace. Node names are allocated from the
heap.
o The upper layer lseek() performs now some parameter checks.
o The upper layer ftruncate() performs now some parameter checks.
o unmask() is now restricted to the RWX flags and protected from
concurrent access.
o The fchmod_h and rmnod_h file system node handlers are now a file
system operation.
o The unlink_h operation has been removed. All nodes are now destroyed
with the rmnod_h operation.
o New lock_h, unlock_h, clonenod_h, and are_nodes_equal_h file system
operations.
o The path evaluation and file system operations are now protected by
per file system instance lock and unlock operations.
o Fix and test file descriptor duplicate in fcntl().
o New test fstests/fsnofs01.
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* libnetworking/resolv.h: Partial sync with FreeBSD.
Add decls for res_send_setqhook, res_send_setrhook.
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* configure.ac: Check for rcmd in unistd.h.
* libnetworking/libc/rcmd.c: Build iff rcmd is declared in unistd.h.
Change rcmd's decl to match with Linux/FreeBSD's decl.
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The inet_aton() function returns non-zero in case of success.
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