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2015-10-24util: split out escaping code into escape.[ch]Lennart Poettering
This really deserves its own file, given how much code this is now.
2015-10-18Merge pull request #1595 from poettering/proxy-fixesDavid Herrmann
bus proxy fixes, and more
2015-10-17sd-bus: fix error handling of pthread API callsLennart Poettering
pthread APIs (unlike the rest of libc) return their errors as positive error codes directly from the functions, rather than using errno. Let's make sure we always handle things that way.
2015-10-15sd-netlink: refcount multicast groupsTom Gundersen
Track the number of matches installed for a given multicast group, and leave the group once no matches depend on it. In order to handle passed-in sockets that are already members of multicast groups we initialize the refcount based on the membership once we take over the socket. This way we will leave the socket in the state we found it once we finish with it. On kernels that do not fully support reading out the multicast group membership we fall back to never leaving any groups (as before).
2015-10-14Merge pull request #1530 from teg/network-fixes-2Lennart Poettering
networkd/libsystemd-network: collection of trivial patches v2
2015-10-12sd-daemon: wipe out memory before using CMSG_NXTHDR()Daniel Mack
CMSG_NXTHDR() checks for cmsg->cmsg_len *after* it increased the pointer. While this makes sense for parsing received messages, that's a pitfall for code crafting messages with this macro. Wipe out the allocated memory to fix this.
2015-10-11sd-netlink: add support for subscribing to ROUTE messagesTom Gundersen
Also, explicitly don't support subscribing to GET or SET messages, as these will never be emitted by the kernel.
2015-10-11sd-netlink: rtnl - add route_get_{scope,tos,table,protocol}()Tom Gundersen
2015-10-09sd-daemon: simply code simplificationLennart Poettering
No change in behaviour, just make the code more obvious.
2015-10-07build-sys: add sd_listen_fds_with_name() to .sym fileLennart Poettering
2015-10-06Merge pull request #1465 from teg/siphash24Lennart Poettering
hashmap/siphash24: refactor hash functions
2015-10-06Merge pull request #1468 from poettering/fdnamesTom Gundersen
Add support for naming fds for socket activation and more
2015-10-06Merge pull request #1466 from kaysievers/wipTom Gundersen
libsystemd: sd-device - translate / vs. ! in sysname
2015-10-06core: add support for naming file descriptors passed using socket activationLennart Poettering
This adds support for naming file descriptors passed using socket activation. The names are passed in a new $LISTEN_FDNAMES= environment variable, that matches the existign $LISTEN_FDS= one and contains a colon-separated list of names. This also adds support for naming fds submitted to the per-service fd store using FDNAME= in the sd_notify() message. This also adds a new FileDescriptorName= setting for socket unit files to set the name for fds created by socket units. This also adds a new call sd_listen_fds_with_names(), that is similar to sd_listen_fds(), but also returns the names of the fds. systemd-activate gained the new --fdname= switch to specify a name for testing socket activation. This is based on #1247 by Maciej Wereski. Fixes #1247.
2015-10-06libsystemd: sd-device - translate / vs. ! in sysnameKay Sievers
The kernel replaces '/' in device names with '!', we translate that back to '/' in sysname, when taking sysname as input, we should translate it back again.
2015-10-05hashmap: hash_funcs - make inputs unambiguousTom Gundersen
Make sure all variable-length inputs are properly terminated or that their length is encoded in some way. This avoids ambiguity of adjacent inputs. E.g., in case of a hash function taking two strings, compressing "ab" followed by "c" is now distinct from "a" followed by "bc".
2015-10-05hashmap: refactor hash_funcTom Gundersen
All our hash functions are based on siphash24(), factor out siphash_init() and siphash24_finalize() and pass the siphash state to the hash functions rather than the hash key. This simplifies the hash functions, and in particular makes composition simpler as calling siphash24_compress() repeatedly on separate chunks of input has the same effect as first concatenating the input and then calling siphash23_compress() on the result.
2015-10-05sd-rtnl: introduce new API to set the NL header flagsSusant Sahani
By default we set as NLM_F_CREATE | NLM_F_EXCL in sd_rtnl_message_new_link But incase of bridge we need to set NLM_F_REQUEST | NLM_F_ACK. If NLM_F_EXCL is set then we are unable to set the parameters. As bridge supports setting properties after creation not during creation.
2015-10-05sd-rtnl: sd-netlink: add support for bridge NL parametrsSusant Sahani
Rename rtnl_link_info_data_bridge_types to rtnl_link_bridge_management_types as they are of nested types of IFLA_AF_SPEC.
2015-10-01sd-device: fix format strings after conversion to log_*_errno()Michal Schmidt
Use %m where previously %s was used together with strerrno(). Fixes: e53fc357a9b "tree-wide: remove a number of invocations of strerror() and replace by %m"
2015-10-01tree-wide: add missing errno arguments to log_*_errno()Michal Schmidt
A few of the recent conversions to log_*_errno() were missing the errno value arguments. Fixes: e53fc357a9b "tree-wide: remove a number of invocations of strerror() and replace by %m"
2015-10-01Merge pull request #1426 from poettering/log-syntaxDaniel Mack
logging fixes and more
2015-09-30tree-wide: remove a number of invocations of strerror() and replace by %mLennart Poettering
Let's clean up our tree a bit, and reduce invocations of the thread-unsafe strerror() by replacing it with printf()'s %m specifier.
2015-09-30sd-daemon: fix sd_is_mq for non-mq fdsZbigniew Jędrzejewski-Szmek
mq_getattr returns -1/EBADF for file descriptors which are not mq. But we should return 0 in this case. We first check that fd is a valid fd, so we can assume that if mq_getattr returns EBADF, it is simply a non-mq fd. There is a slight race, but there doesn't seem to be a nice way to fix it.
2015-09-29Merge pull request #1408 from poettering/systemctl-and-moreDaniel Mack
Systemctl and more
2015-09-29sd-daemon: Simplify sd_booted() checkLennart Poettering
We can just use access() to check whether /run/system/system/ is a directory, no need to involve stat(). The trick is to suffix the path name with a dash.
2015-09-29util: introduce common version() implementation and use it everywhereLennart Poettering
This also allows us to drop build.h from a ton of files, hence do so. Since we touched the #includes of those files, let's order them properly according to CODING_STYLE.
2015-09-29tree-wide: port more code to use send_one_fd() and receive_one_fd()Lennart Poettering
Also, make it slightly more powerful, by accepting a flags argument, and make it safe for handling if more than one cmsg attribute happens to be attached.
2015-09-29sd-event: don't provide priority stabilityDavid Herrmann
Currently, we guarantee that if two event-sources with the same priority fire at the same time, they're always dispatched in the same order. While this might sound nice in theory, there's is little benefit in providing stability on that level. We have no control over the order the events are reported, hence, we cannot guarantee that we get notified about both at the same time. By dropping the stability guarantee, we loose roughly 10% Heap swaps in the prioq on a desktop cold-boot. Krzysztof Kotlenga even reported up to 20% on his tests. This sounds worth optimizing, so drop the stability guarantee.
2015-09-27sd-bus: va_start should use the last named parameterThomas Hindoe Paaboel Andersen
2015-09-26sd-bus: add sd_bus_path_{encode,decode}_many()David Herrmann
This introduces two new helpers alongside sd_bus_path_{encode,decode}(), which work similarly to their counterparts, but accept a format-string as input. This allows encoding and decoding multiple labels of a format string at the same time.
2015-09-24sd-event: fix prepare priority queue comparison functionKrzysztof Kotlenga
Otherwise a disabled event source can get swapped with an enabled one and cause a severe sd-event malfunction. http://lists.freedesktop.org/archives/systemd-devel/2015-September/034356.html
2015-09-23busctl: also monitor messages to SERVICE argumentsLars Uebernickel
Add a 'destination' match rule for every SERVICE argument in addition to the 'sender' rule. This is consistent with busctl(1), which documents monitor as dumping "messages to or from this peer".
2015-09-22Merge pull request #1334 from poettering/sd-bus-default-flush-closeDavid Herrmann
sd-bus: introduce new sd_bus_default_flush_close() call
2015-09-22cgtop: underline table headerLennart Poettering
Let's underline the header line of the table shown by cgtop, how it is customary for tables. In order to do this, let's introduce new ANSI underline macros, and clean up the existing ones as side effect.
2015-09-22sd-id128: make size constraints a bit more obviousLennart Poettering
2015-09-22sd-bus: introduce new sd_bus_default_flush_close() callLennart Poettering
If code enqueues a message on one of the default busses, but doesn't sync on it, and immediately drops the reference to the bus again, it will stay queued and consume memory. Intrdouce a new call sd_bus_default_flush_close() that can be invoked at the end of programs (or threads) and flushes out all unsent messages on any of the default busses.
2015-09-16sd-bus: correct size calculation in DBus fd receiveMichal Schmidt
The size of the allocated array for received file descriptors was incorrectly calculated. This did not matter when a single file descriptor was received, but for more descriptors the allocation was insufficient.
2015-09-16basic: nicer assert messagesMichal Schmidt
Make sure the assert expression is not macro-expanded before stringification. This makes several assertion failure messages more readable. As an example: assert(streq("foo", "bar")); I'd rather see this: Assertion 'streq("foo", "bar")' failed at foo.c:5, function main(). Aborting. ...than this, though awesome, incomprehensible truncated mess: Assertion '(__extension__ ({ size_t __s1_len, __s2_len; (__builtin_constant_p (( "foo")) && __builtin_constant_p (("bar")) && (__s1_len = strlen (("foo")), __s2_ len = strlen (("bar")), (!((size_t)(const void *)((("foo")) + 1) - (size_t)(cons t void *)(("foo")) == 1) || __s1_len >= 4) && (!((size_t)(const void *)((("bar") ) + 1) - (size_t)(const void *)(("bar")) == 1) || __s2_len >= 4)) ? __builtin_st rcmp (("foo"), ("bar")) : (__builtin_constant_p (("foo")) && ((size_t)(const voi d *)((("foo")) + 1) - (size_t)(const void *)(("foo")) == 1) && (__s1_len = strle n (("foo")), __s1_len < 4) ? (__builtin_constant_p (("bar")) && ((size_t)(const void *)((("bar")) + 1) - (size_t)(const void *)(("bar")) == 1) ? __builtin_strcm p (("foo"), ("bar")) : (__extension__ ({ const unsigned char *__s2 = (const unsi gned char *) (const char *) (("bar")); int __result = (((const unsigned char *) (const char *) (("foo")))[0] - __s2[0]); if (__s1_len > 0 && __result == 0) { __ result = (((const unsigned char *) (const char *) (("foo")))[1] - __s2[1]); if ( __s1_len > 1 && __result == 0) { __result = (((const unsigned char *) (const cha r *) (("foo")))[2] - __s2[2]); if (__s1_len > 2 && __result == 0) __result = ((( const unsigned char *) (const char *) (("foo")))[3] - __s2[3]); } } __result; }) )) : (__builtin_constant_p (("bar")) && ((size_t)(const void *)((("bar")) + 1) - (size_t)(const void *)(("bar")) == 1) && (__s2_len = strlen (("bar")), __s2_len < 4) ? (__builtin_constant_p (("foo")) && ((size_t)(const void *)((("foo")) + 1 ) - (size_t)(const void *)(("foo")) == 1) ? __builtin_strcmp (("foo"), ("bar")) : (- (__extension__ ({ const unsigned char *__s2 = (const unsigned char *) (cons t char *) (("foo")); int __result = (((const unsigned char *) (const char *) ((" bar")))[0] - __s2[0]); if (__s2_len > 0 && __result == 0) { __result = (((const unsigned char *) (const char *) (("bar")))[1] - __s2[1]); if (__s2_len > 1 && __ result == 0) { __result = (((const unsigned char *) (const char *) (("bar")))[2] - __s2[2]); if (__s2_len > 2 && __result == 0)
2015-09-10tree-wide: never use the off_t unless glibc makes us use itLennart Poettering
off_t is a really weird type as it is usually 64bit these days (at least in sane programs), but could theoretically be 32bit. We don't support off_t as 32bit builds though, but still constantly deal with safely converting from off_t to other types and back for no point. Hence, never use the type anymore. Always use uint64_t instead. This has various benefits, including that we can expose these values directly as D-Bus properties, and also that the values parse the same in all cases.
2015-09-09tree-wide: make use of the fact that strv_free() returns NULLLennart Poettering
Another Coccinelle patch.
2015-09-09Merge pull request #1218 from poettering/safe-fcloseDaniel Mack
util: introduce safe_fclose() and port everything over to it
2015-09-09util: introduce safe_fclose() and port everything over to itLennart Poettering
Adds a coccinelle script to port things over automatically.
2015-09-09Merge pull request #1216 from poettering/coccinelle-fixes-2Daniel Mack
Coccinelle fixes 2
2015-09-09tree-wide: update empty-if coccinelle script to cover empty-while and moreLennart Poettering
Let's also clean up single-line while and for blocks.
2015-09-09sd-bus: drop weird empty linesDavid Herrmann
We should never put empty lines between `if` and `else if`, unless we use braces.
2015-09-09sd_pid_notify_with_fds: fix computing msg_controllenMaciej Wereski
CMSG_SPACE(0) may return value other than 0. This caused sendmsg to fail with EINVAL, when have_pid or n_fds was 0.
2015-09-09tree-wide: drop {} from one-line if blocksLennart Poettering
Patch via coccinelle.
2015-09-09tree-wide: use coccinelle to patch a lot of code to use mfree()Lennart Poettering
This replaces this: free(p); p = NULL; by this: p = mfree(p); Change generated using coccinelle. Semantic patch is added to the sources.
2015-09-08sd-login: fix sd_seat_get_active() to return ENODATAsystemd/v226David Herrmann
This seems to be an oversight from: 707b66c66381c899d7ef640e158ffdd5bcff4deb We have to return ENODATA instead of ENOENT if a requested entry is non-present. Also fix the call-site in udev to check for these errors.