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2016-02-03util: add check that makes sure time_t and TIME_T_MAX work the way we assume ↵Lennart Poettering
they do
2016-02-03resolved: apply epoch to system time from PID 1Lennart Poettering
For use in timesyncd we already defined a compile-time "epoch" value, which is based on the mtime of the NEWS file, and specifies a point in time we know lies in the past at runtime. timesyncd uses this to filter out nonsensical timestamp file data, and bump the system clock to a time that is after the build time of systemd. This patch adds similar bumping code to earliest PID 1 initialization, so that the system never continues operation with a clock that is in the 1970ies or even 1930s.
2016-02-01basic: add new rlimit_format() callLennart Poettering
This formats a struct rlimit the way rlimit_parse() expects it.
2016-02-01core: move parsing of rlimits into rlimit-util.[ch]Lennart Poettering
This way we can reuse it for parsing rlimit settings in "systemctl set-property" and related commands.
2016-02-01util: add usec_add() which adds two usec_t values with overflow handlingLennart Poettering
2016-01-30Merge pull request #2469 from keszybz/resolved-2Lennart Poettering
Resolved 2
2016-01-29basic: fix touch() creating files with 07777 modeMantas Mikulėnas
mode_t is unsigned, so MODE_INVALID < 0 can never be true. This fixes a possible DoS where any user could fill /run by writing to a world-writable /run/systemd/show-status.
2016-01-29basic: when parsing verb command lines, optionally shortcut them in chroot() ↵Lennart Poettering
environments This adds some basic infrastructure in order to fix #2015.
2016-01-28resolved: add alignment to base64Zbigniew Jędrzejewski-Szmek
We try to fit the lengthy key data into available space. If the other fields take less than half of the available columns, we use align everything in the remaining columns. Otherwise, we put everything after a newline, indented with 8 spaces. This is similar to dig and other tools do. $ COLUMNS=78 ./systemd-resolve -t any . . IN SOA a.root-servers.net nstld.verisign-grs.com 2016012701 1800 900 604800 86400 . IN RRSIG SOA RSASHA256 0 86400 20160206170000 20160127160000 54549 S1uhUoBAReAFi5wH/KczVDgwLb+B9Zp57dSYj9aX4XxBhKuzccIducpg0wWXhjCRAWuzY fQ/J2anm4+C4BLUTdlytPIemd42SUffQk2WGuuukI8e67nkrNF3WFtoeXQ4OchsyO24t2 rxi682Zo9ViqmXZ+MSsjWKt1jdem4noaY= . IN NS h.root-servers.net . IN NS k.root-servers.net . IN NS e.root-servers.net . IN NS c.root-servers.net . IN NS b.root-servers.net . IN NS g.root-servers.net . IN NS d.root-servers.net . IN NS f.root-servers.net . IN NS i.root-servers.net . IN NS j.root-servers.net . IN NS m.root-servers.net . IN NS a.root-servers.net . IN NS l.root-servers.net . IN RRSIG NS RSASHA256 0 518400 20160206170000 20160127160000 54549 rxhmTVKUgs72G3VzL+1JRuD0nGLIrPM+ISfmUx0eYUH5wZD5XMu2X+8PfkAsEQT1dziPs ac+zK1YZPbNgr3yGI5H/wEbK8S7DmlvO+/I9WKTLp/Zxn3yncvnTOdjFMZxkAqHbjVOm+ BFz7RjQuvCQlEJX4PQBFphgEnkiOnmMdI= . IN NSEC aaa ( NS SOA RRSIG NSEC DNSKEY ) . IN RRSIG NSEC RSASHA256 0 86400 20160206170000 20160127160000 54549 HY49/nGkUJJP1zLmH33MIKnkNH33jQ7bsAHE9itEjvC4wfAzgq8+Oh9fjYav1R1GDeJ2Z HOu3Z2uDRif10R8RsmZbxyZXJs7eHui9KcAMot1U4uKCCooC/5GImf+oUDbvaraUCMQRU D3mUzoa0BGWfxgZEDqZ55raVFT/olEgG8= . IN DNSKEY 257 3 RSASHA256 AwEAAagAIKlVZrpC6Ia7gEzahOR+9W29euxhJhVVLOyQbSEW0 O8gcCjFFVQUTf6v58fLjwBd0YI0EzrAcQqBGCzh/RStIoO8g0 NfnfL2MTJRkxoXbfDaUeVPQuYEhg37NZWAJQ9VnMVDxP/VHL4 96M/QZxkjf5/Efucp2gaDX6RS6CXpoY68LsvPVjR0ZSwzz1ap AzvN9dlzEheX7ICJBBtuA6G3LQpzW5hOA2hzCTMjJPJ8LbqF6 dsV6DoBQzgul0sGIcGOYl7OyQdXfZ57relSQageu+ipAdTTJ2 5AsRTAoub8ONGcLmqrAmRLKBP1dfwhYB4N7knNnulqQxA+Uk1 ihz0= . IN DNSKEY 256 3 RSASHA256 AwEAAbr/RV0stAWYbmKOldjShp4AOQGOyY3ATI1NUpP4X1qBs 6lsXpc+1ABgv6zkg02IktjZrHnmD0HsElu3wqXMrT5KL1W7Sp mg0Pou9WZ8QttdTKXwrVXrASsaGI2z/pLBSnK8EdzqUrTVxY4 TEGZtxV519isM06CCMihxTn5cfFBF . IN RRSIG DNSKEY RSASHA256 0 172800 20160204235959 20160121000000 19036 XYewrVdYKRDfZptAATwT+W4zng04riExV36+z04kok09W0RmOtDlQrlrwHLlD2iN/zYpg EqGgDF5T2xlrQdNpn+PFHhypHM7NQAgLTrwmiw6mGbV0bsZN3rhFxHwW7QVUFAvo9eNVu INrjm+sArwxq3DnPkmA+3K4ikKD2iiT/jT91VYr9SHFqXXURccLjI+nmaE7m31hXcirX/ r5i3J+B4Fx4415IavSD72r7cmruocnCVjcp+ZAUKeMyW+RwigzevLz3oEcCZ4nrTpGLEj wFaVePYoP+rfdmfLfTdmkkm4APRJa2My3XOdGFlgNS1pW1pH4az5LapLE2vMO7p1aQ== -- Information acquired via protocol DNS in 14.4ms. -- Data is authenticated: no
2016-01-28basic: getauxval(AT_RANDOM) is apparently not necessarily alignedLennart Poettering
Let's make sure we read it in a way compatible with non-aligned memory. Fixes: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=812928
2016-01-28core: don't reset /dev/console if stdin/stdout/stderr as passed as fd in a ↵Lennart Poettering
transient service Otherwise we might end resetting /dev/console all the time when a transient service starts or stops. Fixes #2377 Fixes #2198 Fixes #2061
2016-01-27Merge pull request #2451 from zonque/pr-2162-rebasedLennart Poettering
utf8.[ch] et al: use char32_t and char16_t instead of int, int32_t, i…
2016-01-27utf8.[ch] et al: use char32_t and char16_t instead of int, int32_t, int16_tShawn Landden
rework C11 utf8.[ch] to use char32_t instead of uint32_t when referring to unicode chars, to make things more expressive. [ @zonque: * rebased to current master * use AC_CHECK_DECLS to detect availibility of char{16,32}_t * make utf8_encoded_to_unichar() return int ]
2016-01-27nss: block various signals while running NSS lookupsLennart Poettering
Let's make sure our poll() calls don't get interrupted where they shouldn't (SIGALRM, ...), but allow them to be interrupted where they should (SIGINT, ...). Fixes #1965
2016-01-27basic: don't append suffixes to unit name glob expressionsLennart Poettering
When the user specifies "foo*" as unit name glob expression, we shouldn't turn this into "foo*.service". Hence: only append a suffix if the specified string isn't a glob expression. Fixes: #2397
2016-01-27machined: add early checks for unrealistically large image/pool sizesLennart Poettering
2016-01-26Merge pull request #2437 from poettering/dnssec19Tom Gundersen
nineteenth dnssec patch
2016-01-26Merge pull request #2441 from msekletar/killing-spree-excluded-log-v3Lennart Poettering
shutdown: complain if process excluded from killing spree runs of the same rootfs as PID1 (v3)
2016-01-26util: introduce fputs_with_space() and make use of it at various placesLennart Poettering
The call combines outputing a string with prefixing it with a space, optionally. This is useful to shorten the logic for outputing lists of strings, that are space separated.
2016-01-26networkd: use an OrderedSet instead of Set to collect link domainsLennart Poettering
For the search domain logic the order is highly relevant, hence make sure when collecting the various search domains to add them to an ordered set, so that the order between search domains of a specific link is retained.
2016-01-26networkd: rework Domains= settingLennart Poettering
Previously, .network files only knew a vaguely defined "Domains=" concept, for which the documentation declared it was the "DNS domain" for the network connection, without specifying what that means. With this the Domains setting is reworked, so that there are now "routing" domains and "search" domains. The former are to be used by resolved to route DNS request to specific network interfaces, the latter is to be used for searching single-label hostnames with (in addition to being used for routing). Both settings are configured in the "Domains=" setting. Normal domain names listed in it are now considered search domains (for compatibility with existing setups), while those prefixed with "~" are considered routing domains only. To route all lookups to a specific interface the routing domain "." may be used, referring to the root domain. An alternative syntax for this is the "*", as was already implemented before using the "wildcard" domain concept. This commit adds proper parsers for this new logic, and exposes this via the sd-network API. This information is not used by resolved yet, this will be added in a later commit.
2016-01-26Merge pull request #2424 from keszybz/journald-disk-usageLennart Poettering
Journald disk usage
2016-01-26shutdown: complain if process excluded from killing spree runs of the same ↵Michal Sekletar
rootfs as PID1
2016-01-25resolved: properly handle LLMNR/TCP connection errorsLennart Poettering
The LLMNR spec suggests to do do reverse address lookups by doing direct LLMNR/TCP connections to the indicated address, instead of doing any LLMNR multicast queries. When we do this and the peer doesn't actually implement LLMNR this will result in a TCP connection error, which we need to handle. In contrast to most LLMNR lookups this will give us a quick response on whether we can find a suitable name. Report this as new transaction state, since this should mostly be treated like an NXDOMAIN rcode, except that it's not one.
2016-01-25resolved: when checking whether a link is relevant, check kernel operstateLennart Poettering
This mimics what networkd is doing to detect a carrier.
2016-01-23journald: allow additional payload in server_driver_messageZbigniew Jędrzejewski-Szmek
The code to format the iovec is shared with log.c. All call sites to server_driver_message are changed to include the additional "MESSAGE=" part, but the new functionality is not used and change in functionality is not expected. iovec is preallocated, so the maximum number of messages is limited. In server_driver_message N_IOVEC_PAYLOAD_FIELDS is currently set to 1. New code is not oom safe, it will fail if memory cannot be allocated. This will be fixed in subsequent commit.
2016-01-22Merge pull request #2080 from ↵Daniel Mack
chaloulo/split-mode-host-remove-port-from-journal-filename journal-remote: split-mode=host, remove port from journal filename
2016-01-22systemd-activate: Add support for datagram socketsSusant Sahani
core: Add flexible way to provide socket type the socket type should be a diffrent argumet in make_socket_fd . In this way we can set the socket type like SOCK_STREAM SOCK_DGRAM in the address. journal-remote: modify make_socket_fd
2016-01-21Merge pull request #2371 from evverx/add-valgrind-helper-for-daemon-reexecDaniel Mack
core: add valgrind helper for daemon-reexec
2016-01-21Merge pull request #2391 from keszybz/coverityDaniel Mack
Coverity inspired fixes
2016-01-21core: add valgrind helper for daemon-reexecEvgeny Vereshchagin
Inspired by https://github.com/systemd/systemd/issues/2187#issuecomment-165587140
2016-01-20Add assert in barrier codeZbigniew Jędrzejewski-Szmek
This function is not supposed to fail, it only returns a boolean. So add an assert in case anyone calls it without proper initialization of *b.
2016-01-20Merge pull request #2337 from dhxgit/patch-1Tom Gundersen
Fix IPv6PrivacyExtension (networkd-ndisc.c)
2016-01-20Merge pull request #2381 from jsynacek/journalctl-colors-v4Lennart Poettering
basic/terminal-util: introduce SYSTEMD_COLORS environment variable
2016-01-20basic/terminal-util: introduce SYSTEMD_COLORS environment variableJan Synacek
... to determine if color output should be enabled. If the variable is not set, fall back to using on_tty(). Also, rewrite existing code to use colors_enabled() where appropriate.
2016-01-19resolved: add bus API for configuring per-link DNS settingsLennart Poettering
This is useful for alternative network management solutions (such as NetworkManager) to push DNS configuration data into resolved. The calls will fail should networkd already have taken possesion of a link, so that the bus API is only available if we don't get the data from networkd.
2016-01-19Merge pull request #2357 from keszybz/warnings-2Lennart Poettering
Remove gcc warnings v2
2016-01-18basic: add missing word in commentZbigniew Jędrzejewski-Szmek
2016-01-18basic/escape: merge utf8 and non-utf8 paths in cunescape_oneZbigniew Jędrzejewski-Szmek
Not every byte sequence is valid utf8. We allow escaping of non-utf8 sequences in strings by using octal and hexadecimal escape sequences (\123 and \0xAB) for bytes at or above 128. Users of cunescape_one could infer whether such use occured when they received an answer between 128 and 256 in *ret (a non-ascii one byte character). But this is subtle and misleading: the comments were wrong, because ascii is a subset of unicode, so c != 0 did not mean non-unicode, but rather ascii-subset-of-unicode-or-raw-byte. This was all rather confusing, so make the "single byte" condition explicit. I'm not convinced that allowing non-utf8 sequences to be produced is useful in all cases where we allow it (e.g. in config files), but that behaviour is unchanged, just made more explicit. This also fixes an (invalid) gcc warning about unitialized variable (*ret_unicode) in callers of cunescape_one.
2016-01-18basic,bus-error: return negative error from errno_from_nameZbigniew Jędrzejewski-Szmek
errno_from_name used an unusual return convention where 0 meant "not found". This tripped up config_parse_syscall_errno(), which would treat that as success. Return -EINVAL instead, and adjust bus_error_name_to_errno() for the new convention. Also remove a goto which was used as a simple if and clean up surroudning code a bit.
2016-01-18Use negative_errno() to assert errno is positive after a few system callsZbigniew Jędrzejewski-Szmek
This is not particularly intrusive because it happens in simple utility functions. It helps gcc understand that error codes are negative. This gets a rid of most of the remaining warnings.
2016-01-16Fix IPv6PrivacyExtension (networkd-ndisc.c)Dominik Hannen
This small addition fixes the issues #1982 and #2242. IPv6PrivacyExtension now works as expected even when a RA is received.
2016-01-13tree-wide: check if errno is greater than zero (2)Zbigniew Jędrzejewski-Szmek
Compare errno with zero in a way that tells gcc that (if the condition is true) errno is positive.
2016-01-13tree-wide: check if errno is greater then zeroZbigniew Jędrzejewski-Szmek
gcc is confused by the common idiom of return errno ? -errno : -ESOMETHING and thinks a positive value may be returned. Replace this condition with errno > 0 to help gcc and avoid many spurious warnings. I filed a gcc rfe a long time ago, but it hard to say if it will ever be implemented [1]. Both conventions were used in the codebase, this change makes things more consistent. This is a follow up to bcb161b0230f. [1] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61846
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.
2016-01-13basic: 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.
2016-01-12capabilities: added support for ambient capabilities.Ismo Puustinen
This patch adds support for ambient capabilities in service files. The idea with ambient capabilities is that the execed processes can run with non-root user and get some inherited capabilities, without having any need to add the capabilities to the executable file. You need at least Linux 4.3 to use ambient capabilities. SecureBit keep-caps is automatically added when you use ambient capabilities and wish to change the user. An example system service file might look like this: [Unit] Description=Service for testing caps [Service] ExecStart=/usr/bin/sleep 10000 User=nobody AmbientCapabilities=CAP_NET_ADMIN CAP_NET_RAW After starting the service it has these capabilities: CapInh: 0000000000003000 CapPrm: 0000000000003000 CapEff: 0000000000003000 CapBnd: 0000003fffffffff CapAmb: 0000000000003000
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.
2016-01-11resolved: when we get a TCP connection failure, try againLennart Poettering
Previously, when we couldn't connect to a DNS server via TCP we'd abort the whole transaction using a "connection-failure" state. This change removes that, and counts failed connections as "lost packet" events, so that we switch back to the UDP protocol again.
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