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X-Gentoo-Bug: 782808
X-Gentoo-Bug-URL: https://bugs.gentoo.org/782808
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This fixes #418.
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The previous fix excludes PIDs of processes running in a different namespace
regardless of whether the PID has been explicitly stored in a PID file mentioned
in the --pidfile parameter. The correct behavior is to only exclude the pid if
it is not stored in a pidfile.
X-Gentoo-Bug: 776010
X-Gentoo-Bug-URL: https://bugs.gentoo.org/776010
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The same as https://github.com/OpenRC/openrc/pull/361
This fixes #362.
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Fixes strncmp size argument off by one as the current implementation didn't
match the `=` character.
This fixes #361.
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This fixes #398.
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Otherwise this would create the following output:
rc-status -f ini
* Caching service dependencies ... [ ok ]
[default]
dbus = started
NetworkManager = started
syslog-ng = started
...
This fixes #364.
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This fixes #375 and allows us to not add another level of indentation in
the supervisor loop.
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The do_check() function recently gained some defenses against symlink
replacement attacks that involve the use of *at functions in place of
their vanilla counterparts; openat() instead of open(), for example.
One opportunity to replace mkdir() with mkdirat() was missed, however,
and this commit replaces it.
This fixes #386.
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--user that start with a number
start-stop-daemon and supervise-daemon parse usernames and group names
passed via the --user argument as numeric UID/GID if they start with a
number (e.g. user "4foo" will be treated as UID 4). This results in the
process that is being started to run under a totally unexpected user if
that UID exists.
Even though the result of the sscanf calls are tested for a result of
exactly 1, which means exactly one value was extracted, because sscanf's
format string only contains only one placeholder, it will never return
a value greater than 1, even if there are still characters left to be
parsed. This causes start-stop-daemon and supervise-daemon to assume
that usernames starting with a number are just that number. Adding a
second placeholder "%1s" to the format string, which matches a string of
length 1, makes sure that sscanf can distinguish between pure numbers
(in which case it will return 1) and strings either starting with a
number (in which case it will return 2) and any other string (in which
case it will return 0).
This fixes #379.
This fixes #380.
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Starting program: /sbin/start-stop-daemon --start --exec i-dont-exist
Program received signal SIGSEGV, Segmentation fault.
0x0000555555559053 in main (argc=1, argv=0x7fffffffdc20)
at start-stop-daemon.c:631
631 *exec_file ? exec_file : exec);
This fixes #385.
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This walks the directory path to the file we are going to manipulate to make
sure that when we create the file and change the ownership and permissions
we are working on the same file.
Also, all non-terminal symbolic links must be owned by root. This will
keep a non-root user from making a symbolic link as described in the
bug. If root creates the symbolic link, it is assumed to be trusted.
On non-linux platforms, we no longer follow non-terminal symbolic links
by default. If you need to do that, add the -s option on the checkpath
command line, but keep in mind that this is not secure.
This fixes #201.
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On gcc-10 (and gcc-9 -fno-common) build fails as:
```
cc -L../librc -L../libeinfo -O2 -g -std=c99 -Wall -Wextra -Wimplicit -Wshadow \
-Wformat=2 -Wmissing-prototypes -Wmissing-declarations -Wmissing-noreturn \
-Wmissing-format-attribute -Wnested-externs -Winline -Wwrite-strings \
-Wcast-align -Wcast-qual -Wpointer-arith -Wdeclaration-after-statement \
-Wsequence-point -Werror=implicit-function-declaration \
-Wl,-rpath=/lib -o openrc rc.o rc-logger.o rc-misc.o rc-plugin.o _usage.o -lutil -lrc -leinfo -Wl,-Bdynamic -ldl
ld: rc-logger.o:/home/slyfox/dev/git/openrc/src/rc/rc-logger.h:16:
multiple definition of `rc_logger_pid'; rc.o:openrc/src/rc/rc-logger.h:16: first defined here
ld: rc-logger.o:/home/slyfox/dev/git/openrc/src/rc/rc-logger.h:17:
multiple definition of `rc_logger_tty'; rc.o:openrc/src/rc/rc-logger.h:17: first defined here
```
gcc-10 will change the default from -fcommon to fno-common:
https://gcc.gnu.org/PR85678.
The error also happens if CFLAGS=-fno-common passed explicitly.
This fixes #348.
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When executable is provided just by name (and therefore searched in a
path), exec_file is reset to NULL every time. exists() handles it being
NULL just fine, but dereferencing it in eerror does not work.
Fixes #326
Fixes #327
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This allows openrc to direct sysvinit to shut down the system by setting
the INIT_HALT environment variable appropriately. Also, we do not try to
communicate with sysvinit if its fifo does not exist.
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This fixes #315.
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This fixes #313.
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I am removing this on the advice of a member of the Gentoo toolchain
team. It was explained to me that this doesn't offer any significant
benefits to OpenRC.
If anyone ffeels differently, please open a pull request reverting
this and adding an explanation of what it does and how to know which
functions to mark hidden in the future.
This fixes #301.
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The do_openrc() function was not waiting properly for the child process
which started the runlevel to return. We need to repeatedly call
waitpid() until its return value matches the pid of the child process or
the child process does not exist.
This fixes #216.
This fixes #300.
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This fixes #299.
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This reverts commit 084877eb52971faf8f52c780ddd08ed9af140eb6.
The mentioned commit caused some systems to have some services reported
as crashed.
This fixes #297.
This fixes #298.
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This fixes #295.
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In some cases deptree or depinfo can be NULL, check
before dereferencing.
Fixes https://github.com/OpenRC/openrc/issues/293
Fixes https://github.com/OpenRC/openrc/pulls/294
X-Gentoo-Bug: 659906
X-Gentoo-Bug-URL: https://bugs.gentoo.org/659906
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The 'readelf'-based tests cover a few situations:
1. undefined symbols in shared libraries
2. unexpected exports in shared libraries
Bug #575958 shows that [2.] implementation is too simplistic
in assuming that presence of relocation equals to export presence.
It is incorrect for PLT stubs and local symbols.
Let's just drop these tests.
If one needs to cover [1.] it is better to use LDFLAGS=-Wl,--no-undefined.
This closes #292.
X-Reported-by: Benda Xu
X-Gentoo-Bug: https://bugs.gentoo.org/575958
X-Gentoo-Bug-URL: https://bugs.gentoo.org/575958
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The -f option can be used when showing the status of services in
runlevels to allow making the output more easily parsable.
Currently, the .ini format is the only one supported.
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This fixes #226.
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This fixes #290.
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Clean up code indented with mixed tabs and spaces.
No actual code changes.
This fixes #280.
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readlink(3) does not nul-terminate the result it sticks
into the supplied buffer. Consequently, the code
rc = readlink(path, buf, sizeof(buf));
does not necessarily produce a C string.
The code in rc_find_pid() produces some C strings this way
and passes them to strlen() and strcmp(), which can lead
to an out-of-bounds read.
In this case, since the code already takes care to
zero-initialize the buffers before passing them
to readlink(3), only allow sizeof(buf)-1 bytes to
be returned.
(While fixing this issue, I fixed two other locations that
used the same problematic pattern.)
This fixes #270.
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These are not standard.
For more information see issue #279.
This fixes #279.
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The contents of /proc/<pid>/cmdline are read into
a stack buffer using
bytes = read(fd, buffer, sizeof(buffer));
followed by appending a null terminator to the buffer with
buffer[bytes] = '\0';
If bytes == sizeof(buffer), then this write is out-of-bounds.
Refactor the code to use rc_getfile instead, since PATH_MAX
is not the maximum size of /proc/<pid>/cmdline. (I hit this
issue in practice while compiling Linux; it tripped the
stack-smashing protector.)
This is roughly the same buffer overflow condition
that was fixed by commit 0ddee9b7d2b8dea810e252ca6a95c457876df120
This fixes #269.
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Fix misleading indentation and other erroneous whitespace.
This fixes #273.
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The following will cause a segfault due to NULL being
passed to strcmp(3)
$ RC_SVCNAME=foo supervise-daemon
Fix the bounds check on argc in main. If argc<=1, then
it is not safe to dereference argv[1].
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The statement
ll = strlen(applet);
appears twice in the same block without any
intervening assignment to the variables
'll' or 'applet'
Remove the second (duplicate) statement.
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In order to run healthcheck() and the unhealthy() function, add an
exec_command call to the supervisor.
Another difference is This function also logs errors instead of
attempting to display them.
This is for #271.
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This will make it easier to track down why the supervisor intermittently
hangs after it runs for a long time.
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This fixes #264.
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