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Commit aedd401 introduced new unit file state, UNIT_FILE_INDIRECT. Unit file is
said to have indirect state if it contains [Install] section which has only
Also= directive. Thus, if enable of such unit file is requested then some other
unit file gets enabled.
Whether or not unit file is in indirect state can be determined by calling
unit_file_can_install. Function unit_file_get_list populates list of unit files
present in given lookup location. So far it did call unit_file_can_install in a
way that would prevent finding out about unit files in indirect state. Such unit
file would be incorrectly marked as static.
Fixes following assertion in test-install,
Assertion 'p->state == s' failed at src/test/test-install.c:59, function main(). Aborting.
[1] 26868 abort (core dumped) ./test-install
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Maybe there is some left-over value stored in r from previous function
call. Let's make sure we always return consistent error code when we reach end of
the function body.
Fixes following crash of test-install,
Assertion 'r == 0' failed at src/test/test-install.c:52, function main(). Aborting.
[1] 11703 abort (core dumped) ./test-install
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https://bugs.freedesktop.org/show_bug.cgi?id=42940
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All other types exported from install.h should be namespaces like this,
hence namespace InstallInfo the same way.
Also, remove external forward definition of UnitFileScope type.
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A variety of changes:
- Make sure all our calls distuingish OOM from other errors if OOM is
not the only error possible.
- Be much stricter when parsing escaped paths, do not accept trailing or
leading escaped slashes.
- Change unit validation to take a bit mask for allowing plain names,
instance names or template names or an combination thereof.
- Refuse manipulating invalid unit name
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path was used for 2 purposes but it was not freed before being reused.
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like:
src/shared/install.c: In function ‘unit_file_lookup_state’:
src/shared/install.c:1861:16: warning: ‘r’ may be used uninitialized in
this function [-Wmaybe-uninitialized]
return r < 0 ? r : state;
^
src/shared/install.c:1796:13: note: ‘r’ was declared here
int r;
^
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With debugging on, sysv-generator would print the full set of
lookup paths for *every* sysv script.
While at it, pass LookupPaths as a pointer in sysv-generator,
and constify it everywhere.
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Replace ENOTSUP by EOPNOTSUPP as this is what linux actually uses.
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This patch removes includes that are not used. The removals were found with
include-what-you-use which checks if any of the symbols from a header is
in use.
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After all it is now much more like strjoin() than strappend(). At the
same time, add support for NULL sentinels, even if they are normally not
necessary.
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shared/install.c and use it
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hidden_file() is a bit more precise, since dot files usually shouldn't
be ignored, but certainly be considered hidden.
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Using:
find . -name '*.[ch]' | while read f; do perl -i.mmm -e \
'local $/;
local $_=<>;
s/(if\s*\([^\n]+\))\s*{\n(\s*)(log_[a-z_]*_errno\(\s*([->a-zA-Z_]+)\s*,[^;]+);\s*return\s+\g4;\s+}/\1\n\2return \3;/msg;
print;'
$f
done
And a couple of manual whitespace fixups.
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It corrrectly handles both positive and negative errno values.
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As a followup to 086891e5c1 "log: add an "error" parameter to all
low-level logging calls and intrdouce log_error_errno() as log calls
that take error numbers", use sed to convert the simple cases to use
the new macros:
find . -name '*.[ch]' | xargs sed -r -i -e \
's/log_(debug|info|notice|warning|error|emergency)\("(.*)%s"(.*), strerror\(-([a-zA-Z_]+)\)\);/log_\1_errno(-\4, "\2%m"\3);/'
Multi-line log_*() invocations are not covered.
And we also should add log_unit_*_errno().
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If a unit contains only Also=, with no Alias= or WantedBy=, it shouldn't
be reported as static. New 'indirect' status shall be introduced.
https://bugzilla.redhat.com/show_bug.cgi?id=864298
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f7101b7368df copied some logic to prevent enabling masked units, but
also added a check which causes attempts to enable templated units to
fail. Since we know the logic beyond this check will properly handle
units which truly do not exist, we can rely on the unit file state
comparison to suffice for expressing the intent of f7101b7368df.
ref: https://bugs.archlinux.org/task/42616
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On an ro fs, systemctl disable ... would fail silently.
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That hashmap_move_one() currently cannot fail with -ENOMEM is an
implementation detail, which is not possible to guarantee in general.
Hashmap implementations based on anything else than chaining of
individual entries may have to allocate.
hashmap_move_one will not fail with -ENOMEM if a proper reservation has
been made beforehand. Use reservations in install.c.
In cgtop.c simply propagate the error instead of asserting.
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It appears order may matter here. Use OrderedHashmaps to be safe.
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This makes this function name similar to user_config_home() and makes
it match the name of the environment variable.
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This patch adds a transient user unit directory under
`$XDG_RUNTIME_DIR/systemd/user/` and stores transient user-instance
units (such as those created by `systemd-run --user`) under there
instead of putting them in $XDG_CONFIG_HOME/systemd/user/.
Fixes https://bugs.freedesktop.org/show_bug.cgi?id=67331
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The recently allocated "printed" is not freed on error path.
Found by coverity. Fixes: CID#1237745
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It is redundant to store 'hash' and 'compare' function pointers in
struct Hashmap separately. The functions always comprise a pair.
Store a single pointer to struct hash_ops instead.
systemd keeps hundreds of hashmaps, so this saves a little bit of
memory.
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This reverts commit 41a451cc2901a5deb985aea4cc8de204a22e5612.
This breaks checks for masking of units file, since we invoke
null_or_empty_path() on the resulting path.
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This patch modifies unit_file_get_list which will now return
hashmap of structures where f->path is *without* root_dir prefix.
This change should be ok, because current code either does not use
root_dir at all or calls basename() on the f->path.
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Previously systemctl died with message
-bash-4.2# systemctl --root /rawhi list-unit-files
(src/systemctl/systemctl.c:868) Out of memory.
in the case that no unit files were found in the --root
or the directory did not exist.
So lets return ENOENT in the case that --root does not exist
and empty list in the case that there are no unit files.
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This makes strappenda3 redundant, so we remove its usage and
definition. Add a few tests along the way for sanity.
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$ systemd-analyze verify trailing-g.service
[./trailing-g.service:2] Trailing garbage, ignoring.
trailing-g.service lacks ExecStart setting. Refusing.
Error: org.freedesktop.systemd1.LoadFailed: Unit trailing-g.service failed to load: Invalid argument.
Failed to create trailing-g.service/start: Invalid argument
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String which ended in an unfinished quote were accepted, potentially
with bad memory accesses.
Reject anything which ends in a unfished quote, or contains
non-whitespace characters right after the closing quote.
_FOREACH_WORD now returns the invalid character in *state. But this return
value is not checked anywhere yet.
Also, make 'word' and 'state' variables const pointers, and rename 'w'
to 'word' in various places. Things are easier to read if the same name
is used consistently.
mbiebl_> am I correct that something like this doesn't work
mbiebl_> ExecStart=/usr/bin/encfs --extpass='/bin/systemd-ask-passwd "Unlock EncFS"'
mbiebl_> systemd seems to strip of the quotes
mbiebl_> systemctl status shows
mbiebl_> ExecStart=/usr/bin/encfs --extpass='/bin/systemd-ask-password Unlock EncFS $RootDir $MountPoint
mbiebl_> which is pretty weird
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There is a small number of the places in sources where we don't check
asprintf() return code and assume that after error the function
returns NULL pointer via the first argument. That's wrong, after
error the content of pointer is undefined.
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One missing string found.
A few things had to be moved around to make it possible to test them.
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Special care is needed so that we get an error message if the
file failed to parse, but not when it is missing. To avoid duplicating
the same error check in every caller, add an additional 'warn' boolean
to tell config_parse whether a message should be issued.
This makes things both shorter and more robust wrt. to error reporting.
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This restores the original root handling logic that was present prior to
112cfb18 when path expansion moved to path_strv_canonicalize_absolute.
That behavior partially went away in 12ed81d9.
Alternatively all users of conf_files_list* could be updated to
concatenate the paths themselves as unit_file_query_preset did but since
no user needs the un-concatenated form that is pointless duplication.
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DefaultInstance= setting
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outside of search path
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instances
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