| Commit message (Collapse) | Author | Age | Files | Lines |
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- previously, writer would use nm_keyfile_plugin_kf_set_integer() for
G_TYPE_UINT types.
That means, values larger than G_MAXINT would be stored as negative
values. On the other hand, the reader would always reject negative
values.
Fix that, by parsing the integer ourself.
Note that we still reject the old (negative) values and there is no
compatibility for accepting such values. They were not accepted by
reader in the past and so they are still rejected.
This affects for example ethernet.mtu setting (arguably, the MTU
is usually set to small values where the issue was not apparent).
This is also covered by a test.
- no longer use nm_keyfile_plugin_kf_set_integer().
nm_keyfile_plugin_kf_set_integer() calls g_key_file_get_integer(), which
uses g_key_file_parse_integer_as_value(). That one has the odd
behavior of accepting "<number><whitespace><bogus>" as valid. Note how that
differs from g_key_file_parse_value_as_double() which rejects trailing data.
Implement the parsing ourself. There are some changes here:
- g_key_file_parse_value_as_integer() uses strtol() with base 10.
We no longer require a certain the base, so '0x' hex values are allowed
now as well.
- bogus suffixes are now rejected but were accepted by g_key_file_parse_value_as_integer().
We however still accept leading and trailing whitespace, as before.
- use nm_g_object_set_property*(). g_object_set() asserts that the value
is in range. We cannot pass invalid values without checking that they
are valid.
- emit warnings when values cannot be parsed. Previously they would
have been silently ignored or fail an assertion during g_object_set().
- don't use "helpers" like nm_keyfile_plugin_kf_set_uint64(). These
merely call GKeyFile's setters (taking care of aliases). The setters
of GKeyFile don't do anything miraculously, they merely call
g_key_file_set_value() with the string that one would expect.
Convert the numbers/boolean ourselfs. For one, we don't require
a heap allocation to convert a number to string. Also, there is
no point in leaving this GKeyFile API, because even if GKeyFile
day would change, we still must continue to support the present
format, as that is what users have on disk. So, even if a new
way would be implemented by GKeyFile, the current way must forever
be accepted too. Hence, we don't need this abstraction.
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- in nm_keyfile_read(), unify _read_setting() and
_read_setting_vpn_secret() in they way they are called
(that is, they no longer return any value and don't accept
any arguments aside @info).
- use cleanup attributes
- use nm_streq() instead of strcmp().
- wrap lines that have multiple statements or conditions.
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We commonly don't use the glib typedefs for char/short/int/long,
but their C types directly.
$ git grep '\<g\(char\|short\|int\|long\|float\|double\)\>' | wc -l
587
$ git grep '\<\(char\|short\|int\|long\|float\|double\)\>' | wc -l
21114
One could argue that using the glib typedefs is preferable in
public API (of our glib based libnm library) or where it clearly
is related to glib, like during
g_object_set (obj, PROPERTY, (gint) value, NULL);
However, that argument does not seem strong, because in practice we don't
follow that argument today, and seldomly use the glib typedefs.
Also, the style guide for this would be hard to formalize, because
"using them where clearly related to a glib" is a very loose suggestion.
Also note that glib typedefs will always just be typedefs of the
underlying C types. There is no danger of glib changing the meaning
of these typedefs (because that would be a major API break of glib).
A simple style guide is instead: don't use these typedefs.
No manual actions, I only ran the bash script:
FILES=($(git ls-files '*.[hc]'))
sed -i \
-e 's/\<g\(char\|short\|int\|long\|float\|double\)\>\( [^ ]\)/\1\2/g' \
-e 's/\<g\(char\|short\|int\|long\|float\|double\)\> /\1 /g' \
-e 's/\<g\(char\|short\|int\|long\|float\|double\)\>/\1/g' \
"${FILES[@]}"
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Note that:
- we compile some source files multiple times. Most notably those
under "shared/".
- we include a default header "shared/nm-default.h" in every source
file. This header is supposed to setup a common environment by defining
and including parts that are commonly used. As we always include the
same header, the header must behave differently depending
one whether the compilation is for libnm-core, NetworkManager or
libnm-glib. E.g. it must include <glib/gi18n.h> or <glib/gi18n-lib.h>
depending on whether we compile a library or an application.
For that, the source files need the NETWORKMANAGER_COMPILATION #define
to behave accordingly.
Extend the define to be composed of flags. These flags are all named
NM_NETWORKMANAGER_COMPILATION_WITH_*, they indicate which part of the
build are available. E.g. when building libnm-core.la itself, then
WITH_LIBNM_CORE, WITH_LIBNM_CORE_INTERNAL, and WITH_LIBNM_CORE_PRIVATE
are available. When building NetworkManager, WITH_LIBNM_CORE_PRIVATE
is not available but the internal parts are still accessible. When
building nmcli, only WITH_LIBNM_CORE (the public part) is available.
This granularily controls the build.
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vpn.data, bond.options, and user.data encode their values directly as
keys in keyfile. However, keys for GKeyFile may not contain characters
like '='.
We need to escape such special characters, otherwise an assertion
is hit on the server:
$ nmcli connection modify "$VPN_NAME" +vpn.data 'aa[=value'
Another example of encountering the assertion is when setting user-data key
with an invalid character "my.this=key=is=causes=a=crash".
(cherry picked from commit 8ef57d0f7ef26247bf53b4d07f712a1bf4de4bb2)
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sed 's#^/\*\{5\}\*\+/$#/*****************************************************************************/#' $(git grep -l '\*\{5\}' | grep '\.[hc]$') -i
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NM_KEYFILE_GROUP_VPN_SECRETS
It is a define from an internal header. Still, all defines in headers
should be named with a NM prefix.
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https://bugzilla.gnome.org/show_bug.cgi?id=744699
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This is the first step to move keyfile to libnm. For now, only
copy the files to make later changes nicer in git-history.
/bin/cp src/settings/plugins/keyfile/reader.c libnm-core/nm-keyfile-reader.c
/bin/cp src/settings/plugins/keyfile/reader.h libnm-core/nm-keyfile-reader.h
/bin/cp src/settings/plugins/keyfile/utils.c libnm-core/nm-keyfile-utils.c
/bin/cp src/settings/plugins/keyfile/utils.h libnm-core/nm-keyfile-utils.h
/bin/cp src/settings/plugins/keyfile/writer.c libnm-core/nm-keyfile-writer.c
/bin/cp src/settings/plugins/keyfile/writer.h libnm-core/nm-keyfile-writer.h
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