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Based on rssh package in pkgsrc-wip by pancake at phreaker dot net,
slightly modified and updated to latest version by myself.
Claim stewardship.
Rssh is a restricted shell for use with OpenSSH, allowing only scp
and/or sftp. For example, if you have a server which you only want
to allow users to copy files off of via scp, without providing
shell access, you can use rssh to do that.
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Will investigate and fix later....
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* Bug-fix release
* Fixes few configuration problems, notably on MacOSX
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posh (0.3.14) unstable; urgency=medium
* ifdef out shf_smprintf.
-- Clint Adams <schizo@debian.org> Fri, 19 Nov 2004 13:11:55 -0500
posh (0.3.13) unstable; urgency=medium
* Some documentation cleanup and fixes.
* Get the Latin-1 non-breeakable spaces out of the manpage for
now. closes: #280624.
Hopefully the DocBook XSL stylesheets will be fixed some year.
-- Clint Adams <schizo@debian.org> Fri, 12 Nov 2004 14:20:35 -0500
posh (0.3.12) unstable; urgency=medium
* Add regression test for unset builtin. closes: #273346.
* Make "eval false || true" not exit with -e. closes: #269066.
-- Clint Adams <schizo@debian.org> Sat, 25 Sep 2004 22:41:59 -0400
posh (0.3.11) unstable; urgency=medium
* Fix return value of unset builtin when parameters are not set;
(according to POSIX, this is not an error condition).
-- Clint Adams <schizo@debian.org> Thu, 23 Sep 2004 22:08:57 -0400
posh (0.3.10) unstable; urgency=low
* Remove extraneous operators from "test" builtin (-a, -G, -H, -k,
-O, -o, <, >, -ef, -nt, -ot).
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New Features:
* UTF-8 handling for both singe and double width characters
* termname builtin for testing whether a terminal type is
available in termcap/terminfo
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useful.
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impact NetBSD/i386 build. Should also not impact aix5 builds.
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examples:
* Updated the example initialization files.
* Added a few command files to give users a head start
in scripting the shell.
osh.1 and sh6.1:
* Made a few more minimal revisions.
osh and sh6:
* Did a little more code cleanup.
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NB: this needs an install-sh that supports "-S -f", as in rev. 1.3 of
bootstrap/files/install-sh.in. After installing that install-sh, set
_STRIPFLAG_INSTALL?= -S -f
in mk/platform/IRIX.mk and all should be peachy. This will be done
correctly eventually, don't worry. :-)
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Various bugfixes.
Some whitespace cleanup while here.
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* Bug-fix release
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${INSTALL}. This should fix the problem seen in minskim's Linux bulk build.
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determine whether to install in PREFIX/share. Just do it anyway.
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to make it consistent with the non-static package.
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Changes that improve compatibility w/ the Sixth Edition Unix shell
are marked w/ a `C:' in the details below.
-------------------------------------------------------------------------------
[osh-041028]:
*.1:
* Fixed a few typos in osh.1 and sh6.1.
* Did a little fine tuning of osh.1 and sh6.1 to hopefully
eliminate some incomplete and/or unclear explanations.
* Did the same for both if.1 and goto.1.
osh and sh6:
* Fixed an annoying bug introduced in the previous release...
The way error messages were printed in error() was not accounting
for the fact that the standard error stream is quite often (if not
always) unbuffered by default. This could make some error messages
difficult to read when a pipeline was involved. A little example:
Before (unfixed):
% foo|bar|baz
foo: not foundbar: not foundbaz: not found
After (fixed):
% foo|bar|baz
foo: not found
bar: not found
baz: not found
-------------------------------------------------------------------------------
[osh-041018]:
This release includes sh6 in addition to osh, if, and goto.
Sh6 is simply osh without the enhancements. It is built from the
same sources as osh, but it is not built or installed by default.
Makefile:
* Added targets for sh6 so that it can optionally be built, tested,
and installed if desired.
osh and sh6:
* Split the code into modules.
This is primarily for developer sanity... ;)
The new files are osh.h, main.c, parse.c, and exec.c.
* If (geteuid() != getuid() || getegid() != getgid()) is true,
print a nice error message and exit with a status of 2.
* Strip all NUL characters from the shell's standard input as it is
being read into the command line buffer. Input to the shell is
expected to be text.
* Changed the way the shell handles non-seekable files.
This is for both initialization files (osh only) and command files.
Do not block on open(2); open it and determine if it is a regular
file (or seekable). If it is not a regular file or is not seekable,
exit with an error. If seekable, reset the file for blocking I/O
and continue as normal.
Note that you can still read commands from FIFOs if you want.
Instead of doing `osh myfifo', you can either do `osh <myfifo'
or `osh - my list of positional parameters <myfifo'.
* Changed the error handling to use stdarg(3).
This allows for more code consistency and makes it easier
to handle all errors with just one line of code.
osh only:
* Added another possible initialization file for osh: $HOME/.oshrc
Osh only attempts to execute commands from this file if it is an
interactive shell. In the case of a login shell, osh tries this
file only after it tries both /etc/osh.login and $HOME/.osh.login.
* Made osh less strict about errors in initialization files.
Previously, common shell-detected errors in any of the files
were generally treated in the same way as they would have been
treated in a command file (i.e., the error was fatal). Realizing
that this potentially caused difficulty and annoyance for the user,
I opted to change it so that these types of errors are handled as
they are when osh is interactive.
This should make it easier for the user to debug
initialization files if needed.
* Added a `source' special command.
It is functionally similar to the way this command works in csh(1).
See osh(1) for details.
if:
* Changed ARGMAX from 50 to 256.
* If (geteuid() != getuid() || getegid() != getgid()) is true,
print a nice error message and exit with a status of 2.
* Added a few new primaries: `-h', `-s', `-t', and `-x'
See if(1) for details.
goto:
* Changed the size of the label buffer from 128 to 1024.
* Do not require the `:' of a labelled line to appear in column 1.
Instead, allow the `:' to optionally be preceded by blanks so that
labelled lines can be indented in command files. See goto(1) for
more details if needed.
* Eliminated unnecessary calls to strcmp(3) whenever a possible label
cannot possibly match the label argument given on the command line.
* Give an error if any NUL character is encountered in the input.
* Give an error if a zero-length string is given as the label argument.
-------------------------------------------------------------------------------
[osh-040812]:
osh.c:
* Changed the way unused pipe descriptors are handled in the child
process after fork(). This fixes a bug where the pipe in a pipeline
such as `( cat /dev/zero ) | sleep 1' would never enter an EOF state.
Previously, the close-on-exec flag was being set for the descriptors
in question. Of course, this did not work for the above and similar
cases. So, the descriptors in question are now close()d explicitly.
* Made some final changes to globbing to allow for more sensible
behaviour WRT quoting. The functions affected are: globargs(),
globchar(), and striparg(). Read and/or run `tests/glob_test.osh'
for details of the user-visible changes. This script may cause
previous versions of the shell to dump core.
Basically, since striparg() had always been called *after* glob(3)
and since the path names generated by glob(3) cannot be trusted, it
ends up that the best course of action is to call striparg() *before*
glob(3). This relatively simple change fixes a variety of *possible*
problems related to globbing.
-------------------------------------------------------------------------------
[osh-040731]:
osh.c:
* Added bounds checking to striparg() to protect against a possible
buffer overflow. Though this is unlikely to happen in the general
case, it is certainly *not* impossible. This function had been
unprotected since at least osh-020214.
* Added a new diagnostic, `Arg too long', to go with the
above-mentioned change.
* Removed the `No directory' diagnostic from globargs().
It was simply not worth the trouble. In compatible mode,
the `No match' diagnostic provides sufficient compatibility
in my opinion...
* Changed the `chdir' command so that it only attempts to change to
the previous working directory when the `-' argument is *not* quoted.
This alows the shell to change to a directory by that name.
For example:
% mkdir -; chdir -; pwd; chdir \-; pwd; chdir -; pwd; rmdir -
chdir: no old directory
/home/jneitzel/osh_stuff/osh-040731
/home/jneitzel/osh_stuff/osh-040731/-
/home/jneitzel/osh_stuff/osh-040731
Remember that "-" or '-' has the same effect as the \- used above.
This is perhaps a little silly, but I figure if a directory *can*
exist then it should be possible to change to it.
* Fixed the `<-' redirection argument so that it adheres to the
documentation. This fixes a file descriptor leak in addition
to the incorrect behaviour. It should be silently ignored in
the following case: `echo hello | grep h <-'; now it is.
-------------------------------------------------------------------------------
[osh-040723]:
osh.c:
C: Fixed a small idiosyncrasy with the `No directory' and `No match'
diagnostics when running in compatible mode. For example:
Before:
% if -d . -a -r . echo "`.' is a readable directory.";\
echo foo*; echo ?; echo []
`.' is a readable directory.
No match
No match
No directory
After:
% if -d . -a -r . echo "`.' is a readable directory.";\
echo foo*; echo ?; echo []
`.' is a readable directory.
No match
No match
No match
The shell should only print `No directory' when a directory
does not exist (ENOENT) or cannot be read (EACCES). Yes, it is
expected that invalid patterns such as `[' and `[]' result in
the shell printing a `No match' diagnostic.
* Changed the `<--' input redirection argument to `<-' instead.
This seems more consistent and will allow for possibly clearer
documentation in the future (if and when I add another feature
I've been thinking about).
fd2.[1c]:
* Removed the fd2 utility and its manual page because of
possible licensing issues.
-------------------------------------------------------------------------------
[osh-040718]:
This release is made primarily to synchronize with the new branch
of the shell which is named `sh6'.
osh.1:
* More revisions and clarifications...
-------------------------------------------------------------------------------
[osh-040714]:
Makefile:
* Refined the description for _XOPEN_SOURCE a little.
osh.1:
* General improvements...
This includes documenting some things that have never been very well
documented in this shell.
osh.c:
C: Made changes to globbing which affect the shell in compatible mode.
This includes the addition of the `No directory' diagnostic which
was present in /etc/glob from Sixth Edition Unix. Also, it looks
like I had previously misinterpreted exactly when the `No match'
diagnostic was supposed to be printed. Now, when running in
compatible mode the shell really is compatible. Yay =)
* Added a `umask' special command.
* Disallow SIGCHLD from being trapped.
When this signal is requested in a `trap' command, it is quietly
disallowed. This is the same behaviour seen with both SIGKILL and
SIGSTOP. Thus, doing a `trap + 9 17 20' quietly has no effect.
* Made changes to how the shell builds a command's argument vector.
Previously, malloc(3) was used. Now, each command in the command
line is simply split into `\0'-terminated words. Each argument is
actually a pointer to the corresponding word in the command line.
The changes to parameter substitution in osh-040628 made this
a perfectly sensible course of action. This change also gives
a microscopic improvement in run-time performance (as judged
by time(1)).
The only remaining use of malloc(3) in the shell's execution stage
can be found in globargs().
-------------------------------------------------------------------------------
[osh-040628]:
Thanks to Stephen M. Jones for suggesting that osh should be able
to read a global rc file. Thanks to Stephen C. VanDahm for assisting
with some portability issues found in osh-040421. Thanks also to
Josep Portella Florit for reviewing osh-040421, making several useful
suggestions, and sending patches.
BTW, many changes were made to the manual pages.
I hope they are clear, but I trust that if they are not then someone
might be kind enough to tell me so and/or make suggestions.
Some new files are included:
examples/*: initialization file examples
fd2.[1c]: the fd2 utility
Makefile:
* Added some notes about _XOPEN_SOURCE.
* Added a target to optionally build and install fd2.
* Removed the compile-time definition of `CLONE'.
This is now a run-time option which can be toggled in order to
enable or disable enhancements to the shell.
osh.c:
C: Changed how the shell does parameter substitution.
This was the last major incompatibility w/ the Thompson shell.
Now, substitution is done *before* any command-line parsing
takes place.
* Added the ability for login shells to read the initialization files
/etc/osh.login and/or $HOME/.osh.login if they exist. A shell is
considered to be a login shell if its first argument starts w/ a
`-' character (e.g., -osh).
* Added a `set' command to allow shell compatibility to be toggled
at run time. In addition, the shell now checks for `OSH_COMPAT'
in the environment to tell future invocations of the shell which
mode the user wishes to run in.
* In addition to the `set' command mentioned above, the following
special built-in commands have been added and are available when
the shell is in "noclone" mode:
exec, setenv, trap, unsetenv
* In globargs(), use `gl_pathc == 0' to detect an unmatched pattern
instead of checking if glob(3) returned `GLOB_NOMATCH'. This allows
for those cases where glob(3) may not be POSIX-compliant.
* Made osh command files that are run asynchronously ignore interrupts.
For example, `osh runcom&' should ignore SIGINT and SIGQUIT, and now
it does.
* Reverted a so-called compatibility fix made in osh-040421.
Now, ignore SIGINT and SIGQUIT for asynchronous commands invoked
from a command file. From a usability perspective, it is simply
too annoying to not do it this way.
* Changed the `exit' command so that it always terminates a shell when
reading commands from a file. Previously, it only terminated a shell
when invoked as `osh file'. Note that `exit' still has no effect for
interactive shells or `osh -c command'; this is intentional as it is
compatible w/ the behaviour of `exit' under the Thompson shell.
if.c:
* Include stdlib.h for exit(3) so that OS X doesn't complain.
* Rename exp() to expr() to avoid conflicts w/ exp(3) on OS X.
Strange, as math.h is not included there should not have been
any conflict. Oh well, it is fixed now.
* Enable this utility to return a meaningful exit status to the user.
In short, `if foo = foo' returns an exit status of 0; `if foo = bar'
returns an exit status of 1. Previously, exit status was always 0.
* Made the usage less ambiguous; corrected the documentation to reflect
the actual behaviour. In short, usage is (and always has been) as
follows:
if expr [command [arg ...]]
* Added some useful conditional primaries for constructing expressions.
See the manual pages for details.
* Use the stdio(3) functions instead of write(2) for printing
the error messages.
* In addition, added some useful diagnostic messages which were
inspired by the test(1) utility from Seventh Edition Unix.
goto.c:
* Give an error message when standard input is not seekable.
Previously, a label not found error would be produced instead.
fd2.c:
* A new utility and manual page... It is an adaptation of the PWB/Unix
(roughly PWB/1.0 ?) redirect diagnostic output command. The original
source came from the file `spencer_pwb.tar.gz' which can be found at:
http://www.tuhs.org/Archive/PDP-11/Distributions/usdl/
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Suggested by Roland Illig, ok'd by various.
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afflicted platform).
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Reported by mochida at Netside.
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character, so remove it from the ast-ksh make.probe.
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following the semantic change of PKG_DEFAULT_OPTIONS.
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if wctype_t is not available. Bump PKGREVISION.
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enable/disable multibyte support. Ok'ed by wiz@.
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fixes by me.
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uses its own, and there isn't any test in the configure script.
Pointed out by wiz@.
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our existing bash package already is called bash2.
If you want to see the new features, please take a look at the NEWS file.
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in the process. (More information on tech-pkg.)
Bump PKGREVISION and BUILDLINK_DEPENDS of all packages using libtool and
installing .la files.
Bump PKGREVISION (only) of all packages depending directly on the above
via a buildlink3 include.
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patch provided by pancake at phreaker.net in PR 26777
changes (from Debian changelog):
posh (0.3.9) unstable; urgency=medium
* trap builtin now errors when no signals are specified.
closes: #265103.
* Move trap-related regression tests to their own file,
and add one to check for error on "trap 0".
posh (0.3.8) unstable; urgency=high
* Fix tilde expansion thinko introduced in 0.3.4.
posh (0.3.7) unstable; urgency=low
* Remove some cruft left around from ksh functions.
posh (0.3.6) unstable; urgency=low
* Add a better regression test for umask.
* Drop support of ksh88 ":[#%]+"-type trimming.
* Adjust regression tests to make sure ${blah:#blah} gives
an error.
posh (0.3.5) unstable; urgency=low
* Clean unused variables left after 0.3.4.
* Add prebuild target to debian/rules.
* Drop qsort altogether.
posh (0.3.4) unstable; urgency=low
* Fix most of the signedness comparison warnings.
* Remove homedir caching code.
* Switch specials, keywords, aliases, builtins, vars, and funs hashes
to use libc tsearch() and friends.
* Remove old table hash routines.
posh (0.3.3) unstable; urgency=low
* Rename custom table functions to prevent conflicts with
b-tree functions when search.h is included.
* Remove vestigial tracked alias code.
posh (0.3.2) unstable; urgency=low
* Make getn() use strtol().
* Mark unused function parameters to avoid gcc warnings.
posh (0.3.1) unstable; urgency=low
* Use libc's instead of internal qsort.
* Add -W to CFLAGS.
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