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Registering an isolated PID in the global PID hash is wrong
because it can be duplicated. Isolated processes are stored only
in the children list until the response for the WHOAMI message is
processed and the global PID is discovered.
To remove isolated siblings, a pointer to the children list is
introduced in the nxt_process_init_t struct.
This closes #633 issue on GitHub.
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This closes #635 issue on GitHub.
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Some non-Linux systems implement pivot_root(2), even if they
don't document that. An example is MacOS:
$ grepc pivot_root / 2>/dev/null
.../sys/sysproto.h:3012:
int pivot_root(struct proc *, struct pivot_root_args *, int *);
Since the prototype of the syscall differs from that of Linux, we
can't use that syscall. Let's make sure the test only detects
pivot_root(2) under Linux. Also, rename the feature macro to make
clear that it's only about Linux's pivot_root(2).
This closes #737 issue on GitHub.
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With NXT_HAVE_PIVOT_ROOT, we had issues in MacOS. Headers should
normally be included unconditionally, except of course if they
don't exist.
This fixes part of the #737 issue on GitHub.
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Also added tests for the following variables:
$request_line, $time_local, $bytes_sent, and $status.
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Also removed unnesessary re.compile() calls.
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No functional changes.
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This closes #562 issue on GitHub.
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Having the basename of the script pathname was incorrect. While
we don't have something more accurate, the best thing to do is to
have it empty (which should be the right thing most of the time).
This closes #715 issue on GitHub.
The bug was introduced in git commit
0032543fa65f454c471c968998190b027c1ff270
'Ruby: added the Rack environment parameter "SCRIPT_NAME".'.
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When fixing conflicts in the changelog, a line was removed by accident.
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
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This closes #645 issue on GitHub.
(Also moved a changelog line that was misplaced in a previous commit.)
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In src/nxt_http_route_addr.c::nxt_http_route_addr_pattern_parse() there
was potentially undefined behaviour when shifting a 32 bit value by 32
bits, this could happen if cidr_prefix was 0.
Promote the shiftee to unsigned long long to avoid this issue.
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If you need to specify a $ in a URI you can now use '$dollar' or
'${dollar}'.
Added some tests for the above to test_variables.py setting a Location
string.
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Allow $dollar (or ${dollar}) to translate to a literal $ to allow
support for sub-delimiters in URIs.
It is possible to have URLs like
https://example.com/path/15$1588/9925$2976.html
and thus it would be useful to be able to specify them in various bits
of the unit config such as the location setting.
However this hadn't been possible due to $ being used to denote
variables for substitution. E.g $host.
As was noted in the below GitHub issue it was suggested by @VBart to
use $sign to represent a literal $, however I feel $dollar is more
appropriate so we have a variable named after the thing it represents,
also @tippexs found[0] that &dollar is used in HTML to represent a $, so
there is some somewhat related precedent.
(The other idea to use $$ was rejected in my original pull-request[1]
for this issue.)
This means the above URL could be specified as
https://example.com/path/15${dollar}1588/9925${dollar}2976.html
in the unit config.
This is done by adding a variable called 'dollar' which is loaded into
the variables hash table which translates into a literal $.
This is then handled in nxt_var_next_part() where variables are parsed
for lookup and $dollar is set for substitution by a literal '$'. Actual
variable substitution happens in nxt_var_query_finish().
[0]: https://github.com/nginx/unit/pull/693#issuecomment-1130412323
[1]: https://github.com/nginx/unit/pull/693
Closes: https://github.com/nginx/unit/issues/675
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The #endif was misplaced by accident during a refactor:
<https://github.com/nginx/unit/commit/029942f4eb7196c2cff0d0e26bc6ff274138f7d8>.
clang(1)'s -Wunreachable-code-break (implied by -Weverything) catches
that, but it is only produced for code compiled without support
for Unix sockets, which is probably the reason it was undetected:
no-one seems to be compiling Unit without Unix sockets support (at
least with clang(1)).
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User-space programs should use the SYS_*form, as documented in
syscall(2). That also adds compatibility to non-Linux systems.
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Some OSes, as Linux, provide FIONBIO in <sys/ioctl.h>. Others,
such as the BSDs and Illumos, provide it in <sys/filio.h>, but
they all include that header from <sys/ioctl.h>, so for this test,
we can simplify and just include <sys/ioctl.h>.
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posix_spawn(3POSIX) was introduced by POSIX.1d
(IEEE Std 1003.1d-1999), and was later consolidated in
POSIX.1-2001, requiring it in all POSIX-compliant systems.
It's safe to assume it's always available, more than 20 years
after its standardization.
Link: <https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/spawn.h.html>
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That is already handled in auto/options. It is better suited
there, since it's an option, and not a module, and also because it
makes use of variables declared there.
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This commit adds the following variables:
$remote_addr, $time_local, $request_line, $status,
$body_bytes_sent, $header_referer, $header_user_agent.
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This commit adds the variables $arg_NAME, $header_NAME, and $cookie_NAME.
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No functional changes.
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Closes: <https://github.com/nginx/unit/issues/676>
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Added "go" availability check before trying to build an application.
update_action() method used were possible and fixed bug with
the relative path determination in test_static_chroot.py.
Templates optimization and style fixes.
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As was pointed out by the cppcheck[0] static code analysis utility there
was a useless assignment in nxt_unit_request_read(). The size parameter
is passed in by value and was being modified without being used again.
[0]: https://cppcheck.sourceforge.io/
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As was pointed out by the cppcheck[0] static code analysis utility, lib
was being set in nxt_unit_shm_open() regardless of platform when in fact
it's only used when (NXT_HAVE_MEMFD_CREATE || NXT_HAVE_SHM_OPEN).
Move the variable declaration & definition to be within the
#if (NXT_HAVE_MEMFD_CREATE || NXT_HAVE_SHM_OPEN)
block.
[0]: https://cppcheck.sourceforge.io/
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In src/nxt_sockaddr.c::nxt_job_sockaddr_inet_parse() there is a check
that port > 0 then there is a check that port < 1 || port > 65535, well
we _know_ it can't be less than 1.
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As was pointed out by the cppcheck[0] static code analysis utility we
can mark a couple of variables as 'const'. This acts as a hint to the
compiler about our intentions and the compiler will tell us when we
deviate from them.
[0]: https://cppcheck.sourceforge.io/
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As was pointed out by the cppcheck[0] static code analysis utility we
can mark numerous function parameters as 'const'. This acts as a hint to
the compiler about our intentions and the compiler will tell us when we
deviate from them.
[0]: https://cppcheck.sourceforge.io/
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The code for finding the extension made a few assumptions that are
no longer true. It didn't account for pathnames that didn't
contain '/', including the empty string, or the NULL string. That
code was used with "share", which always had a '/', but now it's
also used with "index", which should not have a '/' in it.
This fix works by limiting the search to the beginning of the
string, so that if no '/' is found in it, it doesn't continue
searching before the beginning of the string.
This also happens to work for NULL. It is technically Undefined
Behavior, as we rely on `NULL + 0 == NULL` and `NULL - NULL == 0`.
But that is the only sane behavior for an implementation, and all
existing POSIX implementations will Just Work for this code.
Relying on this UB is useful, because we don't need to add an
explicit check for NULL, and therefore we have faster code.
Although the current code can't have a NULL, I expect that when we
add support for variables in the index, it will be NULL in some
cases.
Link: <https://stackoverflow.com/q/67291052/6872717>
The same code seems to be defined behavior in C++, which normally
will share implementation in the compiler for these cases, and
therefore it is really unlikely to be in trouble.
Link: <https://stackoverflow.com/q/59409034/6872717>
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It's never used.
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This makes the replacement of forwarded request header
like client_ip and protocol more generic.
It's a prerequirement for protocol replacement.
No functional changes.
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No functional changes.
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No functional changes.
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The message tracking is unused since 1d84b9e4b459 commit.
This fixes the issue found by Coverity (CID 376263).
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No functional changes.
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