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2014-11-04sd-bus: rename sd_bus_get_server_id() to sd_bus_get_owner_id()Lennart Poettering
In kdbus a "server id" is mostly a misnomer, as there isn't any "server" involved anymore. Let's rename this to "owner" id hence, since it is an ID that is picked by the owner of a bus or direct connection. This matches nicely the sd_bus_get_owner_creds() call we already have.
2014-11-04sd-bus: rename "connection name" to "description" for the sd-bus API tooLennart Poettering
kdbus recently renamed this concept, and so should we in what we expose in userspace.
2014-11-04sd-bus: sync kdbus.h (ABI break)Daniel Mack
Catch up with some changes in kdbus.h: * KDBUS_{ITEM,ATTACH}_CONN_NAME were renamed to KDBUS_{ITEM,ATTACH}_CONN_DESCRIPTION, so the term 'name' is not overloaded as much. * The item types were re-ordered a little so they are lined up to the order of the corresponding KDBUS_ATTACH flags * A new item type KDBUS_ITEM_OWNED_NAME was introduced, designated to store a struct kdbus_name in item->name. KDBUS_ITEM_NAME soley stores data in item->str now * Some kerneldoc fixes
2014-10-24bus-proxy: it's OK if getpeercred doesn't workLennart Poettering
We should use the data if we can (if stdin/stdout is an AF_UNIX socket), but still work if we can't (if stdin/stdout are pipes, like in the SSH case). This effectively reverts 55534fb5e4742b0db9ae5e1e0202c53804147697
2014-10-22sd-bus: rename sd_bus_get_owner_uid(), sd_bus_get_owner_machine_id() and ↵Daniel Mack
sd_bus_get_peer_creds() Clean up the function namespace by renaming the following: sd_bus_get_owner_uid() → sd_bus_get_name_creds_uid() sd_bus_get_owner_machine_id() → sd_bus_get_name_machine_id() sd_bus_get_peer_creds() → sd_bus_get_owner_creds()
2014-10-21sd-bus: sync kdbus.h (ABI break)Daniel Mack
In kdbus.h, the following details changed: * All commands gained a 'kernel_flags' field to report the flags supported by the driver. Before, this was done in the 'flags' field in a bidirectional way, which turned out to be a problem for the code in sd-bus, as many parts of it reuse the same ioctl struct more than once and consider them to be owned by userspace. * Name listings are now returned by a new struct instead of reusing struct kdbus_cmd_name for that matter. This way, we don't add more unneeded fields to it and make the API cleaner. * 'conn_flags' was renamed to 'flags' in struct kdbus_cmd_hello to make the API a bit more unified.
2014-10-20bus-proxy: let's make use of the translated errors get_creds_by_name() ↵Lennart Poettering
provides us with
2014-10-20Revert "bus-proxyd: improve compatibility with dbus-1"Lennart Poettering
This reverts commit b0f84d4d7832659f2216bda7a7cdf51f5e79c6eb. get_creds_by_name() already translate the error nicely, we just need to make use of it.
2014-10-15bus-proxyd: add missing flag translation for RequestNameLukasz Skalski
2014-10-14bus-proxyd: improve compatibility with dbus-1Lukasz Skalski
'GetConnectionUnixProcessID', 'GetConnectionUnixUser' and 'GetConnectionSELinuxSecurityContext' methods should return 'NameHasNoOwner' error (if chosen name is not available on bus) with more detailed description - like dbus-1: Could not get PID of name 'org.freedesktop.test': no such name. Could not get UID of name 'org.freedesktop.test': no such name. Could not get security context of name 'org.freedesktop.test': no such name. Otherwise we have only laconic message without proper dbus error: Error System.Error.ENXIO: No such device or address
2014-10-10bus-proxyd: fix compatibility with old dbus-1Lukasz Skalski
'ListQueuedOwners' method should return 'NameHasNoOwner' error if chosen name is not available on bus.
2014-10-09bus-proxy: allow getpeersec() to failDaniel Mack
getpeersec() will fail for non-SELinux enabled machines, so don't make that a hard error.
2014-10-09bus-policy: move name list iteration to policy usersDaniel Mack
We need to figure out which of the possible names satisfied the policy, so we cannot do the iteration in check_policy_item() but have to leave it to the users. Test cases amended accordingly.
2014-10-07bus-proxyd: assorted cleanups and fixesDaniel Mack
Just some cleanups around policy checks that came up during review. The code is still not productive.
2014-10-07bus-proxyd: check return values of getpeercred() and getpeersec()Daniel Mack
If we can't get the remote peer or security creds, bail out. Spotted by coverity.
2014-10-06sd-bus: sync kdbus.h (ABI break)Daniel Mack
The KDBUS_CMD_FREE ioctl now uses a struct rather than a direct pointer to the offset to free. The KDBUS_CMD_MSG_CANCEL ioctl has also changes, but there's no user of it yet in systemd.
2014-10-01Remove repeated includesThomas Hindoe Paaboel Andersen
In pty.c there was both an include of our pty.h and the system installed pty.h. The latter contains only two functions openpty and forkpty. We use neither so I assume it was a typo and removed it. We still compile and pass all tests.
2014-09-28test-bus-policy: silence coverityThomas Hindoe Paaboel Andersen
Check if strjoin worked and also use _cleanup_free_ since we are here. Found with Coverity. Fixes CID#1241962
2014-09-26test-bus-policy: load policy files from TEST_DIRDaniel Mack
'make distcheck' calls test-bus-policy outside of the source tree, so it must consider the TEST_DIR variable to access its files.
2014-09-25bus-proxy: drop one wrong assert()Tom Gundersen
2014-09-25bus-proxyd: add some assertsTom Gundersen
Both as documentation, and to make Coverity happy. Fixes CID #1241495 and #1241496.
2014-09-24bus-policy: split API for bus-proxydDaniel Mack
Instead of operating on an sd_bus_message object, expose an API that has 4 functions: policy_check_own() policy_check_hello() policy_check_recv() policy_check_send() This also allows dropping extra code to parse message contents - the bus proxy already has dedicated code paths for that, and we can hook into those later. Tests amended accordingly.
2014-09-22sd-bus: sync kdbus.h (API+ABI break)Daniel Mack
The kdbus logic name registry logic was changed to transport the actual name to acquire, release or report in a kdbus item. This brings the name API a little more in line with other calls, and allows for later augmentation. Follow that change on the systemd side.
2014-09-20bus-policy: add test utilityDaniel Mack
Add some test files and routines for dbus policy checking.
2014-09-20bus-policy: add policy check functionDaniel Mack
Add policy_check() to actually check whether an incoming message is allowed by the policy. The code is not yet used from the proxy daemon, though.
2014-09-20bus-policy: print numeric [gu]id in dump_items()Daniel Mack
2014-09-20bus-policy: do not exit() from policy_dump()Daniel Mack
This function is quite useful for debugging. Exiting from it seems unnecessary.
2014-09-20bus-policy: implement dump_items() with LIST_FOREACHDaniel Mack
Instead of making the function call itself recursively.
2014-09-20bus-policy: resolve [ug]id of POLICY_ITEM_{USER,GROUP}Daniel Mack
Do the lookup during parsing already, and set i->uid, or i->gid to the numerical values.
2014-09-20bus_policy: set i->[ug]id_validDaniel Mack
2014-09-20bus-policy: append items rather than prepending themDaniel Mack
In the D-Bus policy, the order of items matters, so make sure to store them in the same order as they are parsed by the sax parser.
2014-09-20bus-policy: story mandatory items in right listDaniel Mack
2014-09-15hashmap: introduce hash_ops to make struct Hashmap smallerMichal Schmidt
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.
2014-08-21notify: send STOPPING=1 from our daemonsLennart Poettering
2014-08-05bus-proxy: service_name_is_valid will never be < 0Thomas Hindoe Paaboel Andersen
2014-08-04bus: always explicitly close bus from main programsLennart Poettering
Since b5eca3a2059f9399d1dc52cbcf9698674c4b1cf0 we don't attempt to GC busses anymore when unsent messages remain that keep their reference, when they otherwise are not referenced anymore. This means that if we explicitly want connections to go away, we need to close them. With this change we will no do so explicitly wherver we connect to the bus from a main program (and thus know when the bus connection should go away), or when we create a private bus connection, that really should go away after our use. This fixes connection leaks in the NSS and PAM modules.
2014-08-03Unify parse_argv styleZbigniew Jędrzejewski-Szmek
getopt is usually good at printing out a nice error message when commandline options are invalid. It distinguishes between an unknown option and a known option with a missing arg. It is better to let it do its job and not use opterr=0 unless we actually want to suppress messages. So remove opterr=0 in the few places where it wasn't really useful. When an error in options is encountered, we should not print a lengthy help() and overwhelm the user, when we know precisely what is wrong with the commandline. In addition, since help() prints to stdout, it should not be used except when requested with -h or --help. Also, simplify things here and there.
2014-07-25bus-proxyd: fix incorrect comparisonLukas Nykryn
We should be interested in k variable.
2014-07-25bus-proxyd: fix incorrect comparisonLukas Nykryn
Err can't be bigger then zero. Rest of the code uses negative Exxxx values.
2014-07-16test-tables: add new entriesZbigniew Jędrzejewski-Szmek
One missing string found. A few things had to be moved around to make it possible to test them.
2014-07-03sd-bus: support connecting to remote hosts, directly into containersLennart Poettering
systemctl -H root@foobar:waldi will now show a list of services running on container "waldi" on host "foobar", using "root" for authenticating at "foobar". Since entereing a container requires priviliges, this will only work correctly for root logins.
2014-07-02bus-proxy: restore operation in non-kdbus modeLennart Poettering
bus-proxyd is not only the bridge between legacy dbus clients and kdbus but is also used to access remote dbus servers via ssh. Let's make sure it actually works for that.
2014-06-16bus-proxy: policy - ignore unsupported tags and attributesKay Sievers
2014-06-10bus-proxy: properly index policy by uid/gid when parsingLennart Poettering
2014-06-10bus-proxy: read the right policy when running in user modeLennart Poettering
2014-06-08bus-policy.c: use draw_special_char(DRAW_ARROW)Daniel Buch
Lets allow LC_ALL=C without corrupted output
2014-06-07bus-proxyd: do not free NULL itemsKay Sievers
2014-06-06bus-proxy: properly read user/group policy itemsLennart Poettering
2014-06-06bus: add basic dbus1 policy parserLennart Poettering
Enforcement is still missing, but at least we can parse it now.
2014-06-04bus-proxy: drop priviliges if we canLennart Poettering
Either become uid/gid of the client we have been forked for, or become the "systemd-bus-proxy" user if the client was root. We retain CAP_IPC_OWNER so that we can tell kdbus we are actually our own client.