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2016-01-18resolved add dns_name_apply_idna() to convert a domain name into its IDNA ↵Lennart Poettering
equivalent
2016-01-17resolved: on negative NODATA replies, properly deal with empty non-terminalsLennart Poettering
empty non-terminals generally lack NSEC RRs, which means we can deduce their existance only from the fact that there are other RRs that contain them in their suffix. Specifically, the NSEC proof for NODATA on ENTs works by sending the NSEC whose next name is a suffix of the queried name to the client. Use this information properly.
2016-01-13basic: add ascii_strcasecmp_nn() callLennart Poettering
In contrast to ascii_strcasecmp_nn() it takes two character buffers with their individual length. It will then compare the buffers up the smaller size of the two buffers, and finally the length themselves.
2016-01-13shared: add new dns_name_startswith() callLennart Poettering
dns_name_startswith() is to dns_name_endswith() as startswith() is to endswith().
2016-01-13basic: add new ascii_strcasecmp_n() callLennart Poettering
2016-01-12tree-wide: use xsprintf() where applicableDaniel Mack
Also add a coccinelle receipt to help with such transitions.
2016-01-12tests: test ambient capabilities.Ismo Puustinen
The ambient capability tests are only run if the kernel has support for ambient capabilities.
2016-01-12capabilities: keep bounding set in non-inverted format.Ismo Puustinen
Change the capability bounding set parser and logic so that the bounding set is kept as a positive set internally. This means that the set reflects those capabilities that we want to keep instead of drop.
2016-01-04tests: don't change hard limit in test-rlimit-utilEvgeny Vereshchagin
Fixes: $ make valgrind-tests TESTS=test-rlimit-util ... Running test-rlimit-util Assertion 'setrlimit(RLIMIT_NOFILE, &new) >= 0' failed at src/test/test-rlimit-util.c:41, function main(). Aborting. See http://valgrind.org/docs/manual/dist.news.old.html The setrlimit system call now simply updates the emulated limits as best as possible - the hard limit is not allowed to move at all and just returns EPERM if you try and change it.
2015-12-28shared: relax restrictions on valid domain name characters a bitLennart Poettering
Previously, we'd not allow control characters to be embedded in domain names, even when escaped. Since cloudflare uses \000 however to implement its synthethic minimally covering NSEC RRs, we should allow them, as long as they are properly escaped.
2015-12-27shared: fix handling of suffix "." in dns_name_compare_func()Lennart Poettering
All our other domain name handling functions make no destinction between domain names that end in a dot plus a NUL, or those just ending in a NUL. Make sure dns_name_compare_func() and dns_label_unescape_suffix() do the same.
2015-12-26resolved: tighten search for NSEC3 RRs a bitLennart Poettering
Be stricter when searching suitable NSEC3 RRs for proof: generalize the check we use to find suitable NSEC3 RRs, in nsec3_is_good(), and add additional checks, such as checking whether all NSEC3 RRs use the same parameters, have the same suffix and so on.
2015-12-26resolved: properly implement RRSIG validation of wildcarded RRsetsLennart Poettering
Note that this is still not complete, one additional step is still missing: when we verified that a wildcard RRset is properly signed, we still need to do an NSEC/NSEC3 proof that no more specific RRset exists.
2015-12-08Merge pull request #2115 from dvdhrm/rbtreeTom Gundersen
basic: add RB-Tree implementation
2015-12-07basic: add RB-Tree implementationDavid Herrmann
This adds an self-standing RB-Tree implementation to src/basic/. This will be needed for NSEC RR lookups, since we need "close lookups", which hashmaps (not even ordered-hashmaps) can give us in reasonable time.
2015-12-07tests: add test-rlimit-utilEvgeny Vereshchagin
2015-12-02util-lib: update dns_name_to_wire_format() to optionally generate DNSSEC ↵Lennart Poettering
canonical names We'll need this later when putting together RR serializations to checksum.
2015-12-02Merge pull request #2073 from poettering/dns-label-fixesLennart Poettering
Dns label fixes + unrelated selinux clean-up
2015-12-02tests: fix newlines in skip messageZbigniew Jędrzejewski-Szmek
2015-12-02tests: turn check if manager cannot be intialized into macroZbigniew Jędrzejewski-Szmek
We need to check the same thing in multiple tests. Use a shared macro to make it easier to update the list of errnos. Change the errno code for "unitialized cgroup fs" for ENOMEDIUM. Exec format error looks like something more serious. This fixes test-execute invocation in mock.
2015-12-01Merge pull request #2074 from keszybz/test-acl-util-fixTom Gundersen
test-acl-util: fix two issues from review
2015-11-30test-acl-util: fix two issues from reviewZbigniew Jędrzejewski-Szmek
https://github.com/systemd/systemd/pull/2063
2015-11-30dns-domain: change error codes when dealing with too short buffers to ENOBUFSLennart Poettering
Some calls used ENOBUFS to indicate too-short result buffers, others used ENOSPC. Let's unify this on ENOBUFS.
2015-11-30dns-domain: check resulting domain name length in dns_name_to_wire_format()Lennart Poettering
Let's better be safe than sorry.
2015-11-30dns-domain: make sure dns_name_to_wire_format() may properly encode the root ↵Lennart Poettering
domain The root domain consists of zero labels, and we should be able to encode that.
2015-11-30dns-domain: don't accept overly long hostnamesLennart Poettering
Make sure dns_name_normalize(), dns_name_concat(), dns_name_is_valid() do not accept/generate invalidly long hostnames, i.e. longer than 253 characters.
2015-11-30dns-domain: be more strict when encoding/decoding labelsLennart Poettering
Labels of zero length are not OK, refuse them early on. The concept of a "zero-length label" doesn't exist, a zero-length full domain name however does (representing the root domain). See RFC 2181, Section 11.
2015-11-30Merge pull request #2053 from poettering/selinux-fixDavid Herrmann
Two unrelated fixes
2015-11-28test-acl-util: add new testZbigniew Jędrzejewski-Szmek
For now, only add_acls_for_user is tested. When run under root, it actually sets the acls. When run under non-root, it sets the acls for the user, which does nothing, but at least calls the functions.
2015-11-27selinux: split up mac_selinux_have() from mac_selinux_use()Lennart Poettering
Let's distuingish the cases where our code takes an active role in selinux management, or just passively reports whatever selinux properties are set. mac_selinux_have() now checks whether selinux is around for the passive stuff, and mac_selinux_use() for the active stuff. The latter checks the former, plus also checks UID == 0, under the assumption that only when we run priviliged selinux management really makes sense. Fixes: #1941
2015-11-27tree-wide: expose "p"-suffix unref calls in public APIs to make gcc cleanup easyLennart Poettering
GLIB has recently started to officially support the gcc cleanup attribute in its public API, hence let's do the same for our APIs. With this patch we'll define an xyz_unrefp() call for each public xyz_unref() call, to make it easy to use inside a __attribute__((cleanup())) expression. Then, all code is ported over to make use of this. The new calls are also documented in the man pages, with examples how to use them (well, I only added docs where the _unref() call itself already had docs, and the examples, only cover sd_bus_unrefp() and sd_event_unrefp()). This also renames sd_lldp_free() to sd_lldp_unref(), since that's how we tend to call our destructors these days. Note that this defines no public macro that wraps gcc's attribute and makes it easier to use. While I think it's our duty in the library to make our stuff easy to use, I figure it's not our duty to make gcc's own features easy to use on its own. Most likely, client code which wants to make use of this should define its own: #define _cleanup_(function) __attribute__((cleanup(function))) Or similar, to make the gcc feature easier to use. Making this logic public has the benefit that we can remove three header files whose only purpose was to define these functions internally. See #2008.
2015-11-27core: fix rlimit parsingEvgeny Vereshchagin
* refuse limits if soft > hard * print an actual value instead of (null) see https://github.com/systemd/systemd/pull/1994#issuecomment-159999123
2015-11-26Merge pull request #2031 from poettering/resolved-search-domainsTom Gundersen
resolved. Fully implement search domains for single-label names
2015-11-26Merge pull request #1994 from karelzak/rlimitsLennart Poettering
core: support <soft:hard> ranges for RLIMIT options
2015-11-25dns-domain: rework dns_label_escape() to not imply memory allocationLennart Poettering
The new dns_label_escape() call now operates on a buffer passed in, similar to dns_label_unescape(). This should make decoding a bit faster, and nicer.
2015-11-25dns-domain: change dns_srv_type_is_valid() return value to boolLennart Poettering
For similar reasons as dns_name_is_root() got changed in the previous commit.
2015-11-25dns-domain: simplify dns_name_is_root() and dns_name_is_single_label()Lennart Poettering
Let's change the return value to bool. If we encounter an error while parsing, return "false" instead of the actual parsing error, after all the specified hostname does not qualify for what the function is supposed to test. Dealing with the additional error codes was always cumbersome, and easily misused, like for example in the DHCP code. Let's also rename the functions from dns_name_root() to dns_name_is_root(), to indicate that this function checks something and returns a bool. Similar for dns_name_is_signal_label().
2015-11-25core: support <soft:hard> ranges for RLIMIT optionsKarel Zak
The new parser supports: <value> - specify both limits to the same value <soft:hard> - specify both limits the size or time specific suffixes are supported, for example LimitRTTIME=1sec LimitAS=4G:16G The patch introduces parse_rlimit_range() and rlim type (size, sec, usec, etc.) specific parsers. No code is duplicated now. The patch also sync docs for DefaultLimitXXX= and LimitXXX=. References: https://github.com/systemd/systemd/issues/1769
2015-11-24resolved: implement client-side DNAME resolutionLennart Poettering
Most servers apparently always implicitly convert DNAME to CNAME, but some servers don't, hence implement this properly, as this is required by edns0.
2015-11-23dns-domain: add calls to join/split SRV/DNS-SD service domainsLennart Poettering
This adds dns_service_join() and dns_service_split() which may be used to concatenate a DNS-SD service name, am SRV service type string, and a domain name into a full resolvable DNS domain name string. If the service name is specified as NULL, only the type and domain are appended, to implement classic, non-DNS-SD SRV lookups. The reverse is dns_service_split() which takes the full name, and split it into the three components again.
2015-11-23dns-domain: add code for verifying validity of DNS-SD service names and typesLennart Poettering
2015-11-19test: remove wrong endianess conversion in test-siphash24Martin Pitt
Commit 933f9caee changed the returned result of siphash24_finalize() from little-endian to native. Follow suit in test-siphash24 and drop the endianess conversion there as well, so that this succeeds on big-endian machines again. Fixes #1946.
2015-11-19Merge pull request #1931 from bengal/dhcp-fqdn-v2Tom Gundersen
libsystemd-network: add support for "Client FQDN" DHCP option (v2)
2015-11-17test: calendarspec sub-second testsHristo Venev
2015-11-17dns-domain: add dns_name_to_wire_format()Beniamino Galvani
The function converts a domain name string to the wire format described in RFC 1035 Section 3.1.
2015-11-17tree-wide: group include of libudev.h with sd-*Thomas Hindoe Paaboel Andersen
2015-11-17Merge pull request #1923 from zonque/siphashLennart Poettering
siphash24: let siphash24_finalize() and siphash24() return the result…
2015-11-16siphash24: let siphash24_finalize() and siphash24() return the result directlyDaniel Mack
Rather than passing a pointer to return the result, return it directly from the function calls. Also, return the result in native endianess, and let the callers care about the conversion. For hash tables and bloom filters, we don't care, but in order to keep MAC addresses and DHCP client IDs stable, we explicitly convert to LE.
2015-11-16tree-wide: sort includesThomas Hindoe Paaboel Andersen
Sort the includes accoding to the new coding style.
2015-11-16siphash42: add tests with unaligned input pointersMartin Pitt
Add test case for calling siphash24 with unaligned input pointers, as we commonly get with calling it on the result on basename() or similar. This provides a test for PR #1916, rescued from the superseded PR #1911. Thanks to Steve Langasek for the test!