1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering#ifdef HAVE_VALGRIND_MEMCHECK_H

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering#include <valgrind/memcheck.h>

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering#endif

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering#include <stddef.h>

9b420b3cfb8b93daf50e4cdbc92b05f2209ef893Lennart Poettering#include <errno.h>

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering#include "strv.h"

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering#include "sd-bus.h"

96aad8d15a324d0e956a4e5653a11a67b209b41aLennart Poettering#include "bus-internal.h"

23c80348e656a4e6fd9ba8f17523a65b6fa349a0Kay Sievers#include "bus-message.h"

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering#include "bus-control.h"

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering#include "bus-bloom.h"

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering#include "bus-util.h"

25300b5a1fcf54674a69d0f4ab08925be00b0227Lennart Poettering#include "cgroup-util.h"

003dffde2c1b93afbc9aff24b277276f65424406Lennart Poettering

4cee5eede280b7fd48c18a1942616c4ac896a554Lennart Poettering_public_ int sd_bus_get_unique_name(sd_bus *bus, const char **unique) {

003dffde2c1b93afbc9aff24b277276f65424406Lennart Poettering int r;

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering

003dffde2c1b93afbc9aff24b277276f65424406Lennart Poettering assert_return(bus, -EINVAL);

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering assert_return(unique, -EINVAL);

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering assert_return(!bus_pid_changed(bus), -ECHILD);

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering r = bus_ensure_running(bus);

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering if (r < 0)

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering return r;

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering *unique = bus->unique_name;

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering return 0;

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering}

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poetteringstatic int bus_request_name_kernel(sd_bus *bus, const char *name, uint64_t flags) {

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering struct kdbus_cmd_name *n;

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering size_t size, l;

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering int r;

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering assert(bus);

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering assert(name);

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering l = strlen(name) + 1;

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering size = offsetof(struct kdbus_cmd_name, items) + KDBUS_ITEM_SIZE(l);

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering n = alloca0_align(size, 8);

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering n->size = size;

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering n->flags = request_name_flags_to_kdbus(flags);

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering n->items[0].size = KDBUS_ITEM_HEADER_SIZE + l;

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering n->items[0].type = KDBUS_ITEM_NAME;

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering memcpy(n->items[0].str, name, l);

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering#ifdef HAVE_VALGRIND_MEMCHECK_H

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering VALGRIND_MAKE_MEM_DEFINED(n, n->size);

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering#endif

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering r = ioctl(bus->input_fd, KDBUS_CMD_NAME_ACQUIRE, n);

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering if (r < 0)

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering return -errno;

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering if (n->flags & KDBUS_NAME_IN_QUEUE)

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering return 0;

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering return 1;

cb81cd8073392936882643af0129934bf67e96c4Lennart Poettering}

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poetteringstatic int bus_request_name_dbus1(sd_bus *bus, const char *name, uint64_t flags) {

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering uint32_t ret, param = 0;

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering int r;

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering assert(bus);

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering assert(name);

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering if (flags & SD_BUS_NAME_ALLOW_REPLACEMENT)

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering param |= BUS_NAME_ALLOW_REPLACEMENT;

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering if (flags & SD_BUS_NAME_REPLACE_EXISTING)

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering param |= BUS_NAME_REPLACE_EXISTING;

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering if (!(flags & SD_BUS_NAME_QUEUE))

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering param |= BUS_NAME_DO_NOT_QUEUE;

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering r = sd_bus_call_method(

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering bus,

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering "org.freedesktop.DBus",

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering "/org/freedesktop/DBus",

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering "org.freedesktop.DBus",

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering "RequestName",

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering NULL,

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering &reply,

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering "su",

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering name,

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering param);

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering if (r < 0)

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering return r;

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering r = sd_bus_message_read(reply, "u", &ret);

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering if (r < 0)

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering return r;

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering if (ret == BUS_NAME_ALREADY_OWNER)

cb81cd8073392936882643af0129934bf67e96c4Lennart Poettering return -EALREADY;

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering else if (ret == BUS_NAME_EXISTS)

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering return -EEXIST;

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering else if (ret == BUS_NAME_IN_QUEUE)

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering return 0;

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering else if (ret == BUS_NAME_PRIMARY_OWNER)

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering return 1;

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering return -EIO;

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering}

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering_public_ int sd_bus_request_name(sd_bus *bus, const char *name, uint64_t flags) {

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering assert_return(bus, -EINVAL);

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering assert_return(name, -EINVAL);

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering assert_return(bus->bus_client, -EINVAL);

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering assert_return(!bus_pid_changed(bus), -ECHILD);

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering assert_return(!(flags & ~(SD_BUS_NAME_ALLOW_REPLACEMENT|SD_BUS_NAME_REPLACE_EXISTING|SD_BUS_NAME_QUEUE)), -EINVAL);

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering assert_return(service_name_is_valid(name), -EINVAL);

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering assert_return(name[0] != ':', -EINVAL);

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering if (!BUS_IS_OPEN(bus->state))

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering return -ENOTCONN;

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering

ebcf1f97de4f6b1580ae55eb56b1a3939fe6b602Lennart Poettering if (bus->is_kernel)

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering return bus_request_name_kernel(bus, name, flags);

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering else

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering return bus_request_name_dbus1(bus, name, flags);

ebcf1f97de4f6b1580ae55eb56b1a3939fe6b602Lennart Poettering}

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poetteringstatic int bus_release_name_kernel(sd_bus *bus, const char *name) {

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering struct kdbus_cmd_name *n;

ebcf1f97de4f6b1580ae55eb56b1a3939fe6b602Lennart Poettering size_t size, l;

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering int r;

df2d202e6ed4001a21c6512c244acad5d4706c87Lennart Poettering

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering assert(bus);

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering assert(name);

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering

c2ce6a3d82b717c4c1e6245ad8c6ce1173f502d0Lennart Poettering l = strlen(name) + 1;

c2ce6a3d82b717c4c1e6245ad8c6ce1173f502d0Lennart Poettering size = offsetof(struct kdbus_cmd_name, items) + KDBUS_ITEM_SIZE(l);

c2ce6a3d82b717c4c1e6245ad8c6ce1173f502d0Lennart Poettering n = alloca0_align(size, 8);

c2ce6a3d82b717c4c1e6245ad8c6ce1173f502d0Lennart Poettering n->size = size;

c2ce6a3d82b717c4c1e6245ad8c6ce1173f502d0Lennart Poettering

c2ce6a3d82b717c4c1e6245ad8c6ce1173f502d0Lennart Poettering n->items[0].size = KDBUS_ITEM_HEADER_SIZE + l;

c2ce6a3d82b717c4c1e6245ad8c6ce1173f502d0Lennart Poettering n->items[0].type = KDBUS_ITEM_NAME;

c2ce6a3d82b717c4c1e6245ad8c6ce1173f502d0Lennart Poettering memcpy(n->items[0].str, name, l);

c2ce6a3d82b717c4c1e6245ad8c6ce1173f502d0Lennart Poettering

c2ce6a3d82b717c4c1e6245ad8c6ce1173f502d0Lennart Poettering#ifdef HAVE_VALGRIND_MEMCHECK_H

c2ce6a3d82b717c4c1e6245ad8c6ce1173f502d0Lennart Poettering VALGRIND_MAKE_MEM_DEFINED(n, n->size);

c2ce6a3d82b717c4c1e6245ad8c6ce1173f502d0Lennart Poettering#endif

c2ce6a3d82b717c4c1e6245ad8c6ce1173f502d0Lennart Poettering r = ioctl(bus->input_fd, KDBUS_CMD_NAME_RELEASE, n);

c2ce6a3d82b717c4c1e6245ad8c6ce1173f502d0Lennart Poettering if (r < 0)

c2ce6a3d82b717c4c1e6245ad8c6ce1173f502d0Lennart Poettering return -errno;

c2ce6a3d82b717c4c1e6245ad8c6ce1173f502d0Lennart Poettering

c2ce6a3d82b717c4c1e6245ad8c6ce1173f502d0Lennart Poettering return 0;

c2ce6a3d82b717c4c1e6245ad8c6ce1173f502d0Lennart Poettering}

c2ce6a3d82b717c4c1e6245ad8c6ce1173f502d0Lennart Poettering

c2ce6a3d82b717c4c1e6245ad8c6ce1173f502d0Lennart Poetteringstatic int bus_release_name_dbus1(sd_bus *bus, const char *name) {

c2ce6a3d82b717c4c1e6245ad8c6ce1173f502d0Lennart Poettering _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;

c2ce6a3d82b717c4c1e6245ad8c6ce1173f502d0Lennart Poettering uint32_t ret;

c2ce6a3d82b717c4c1e6245ad8c6ce1173f502d0Lennart Poettering int r;

c2ce6a3d82b717c4c1e6245ad8c6ce1173f502d0Lennart Poettering

c2ce6a3d82b717c4c1e6245ad8c6ce1173f502d0Lennart Poettering assert(bus);

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering assert(name);

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering r = sd_bus_call_method(

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering bus,

4e724d9c5ab76c3f8327945317463ef706011082Lennart Poettering "org.freedesktop.DBus",

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering "/org/freedesktop/DBus",

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering "org.freedesktop.DBus",

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering "ReleaseName",

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering NULL,

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering &reply,

4e724d9c5ab76c3f8327945317463ef706011082Lennart Poettering "s",

4e724d9c5ab76c3f8327945317463ef706011082Lennart Poettering name);

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering if (r < 0)

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering return r;

ebcf1f97de4f6b1580ae55eb56b1a3939fe6b602Lennart Poettering

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering r = sd_bus_message_read(reply, "u", &ret);

4e724d9c5ab76c3f8327945317463ef706011082Lennart Poettering if (r < 0)

5b12334d35eadf1f45cc3d631fd1a2e72ffaea0aLennart Poettering return r;

5b12334d35eadf1f45cc3d631fd1a2e72ffaea0aLennart Poettering if (ret == BUS_NAME_NON_EXISTENT)

5b12334d35eadf1f45cc3d631fd1a2e72ffaea0aLennart Poettering return -ESRCH;

5b12334d35eadf1f45cc3d631fd1a2e72ffaea0aLennart Poettering if (ret == BUS_NAME_NOT_OWNER)

5b12334d35eadf1f45cc3d631fd1a2e72ffaea0aLennart Poettering return -EADDRINUSE;

5b12334d35eadf1f45cc3d631fd1a2e72ffaea0aLennart Poettering if (ret == BUS_NAME_RELEASED)

5b12334d35eadf1f45cc3d631fd1a2e72ffaea0aLennart Poettering return 0;

4e724d9c5ab76c3f8327945317463ef706011082Lennart Poettering

ebcf1f97de4f6b1580ae55eb56b1a3939fe6b602Lennart Poettering return -EINVAL;

4e724d9c5ab76c3f8327945317463ef706011082Lennart Poettering}

4e724d9c5ab76c3f8327945317463ef706011082Lennart Poettering

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering_public_ int sd_bus_release_name(sd_bus *bus, const char *name) {

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering assert_return(bus, -EINVAL);

ebcf1f97de4f6b1580ae55eb56b1a3939fe6b602Lennart Poettering assert_return(name, -EINVAL);

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering assert_return(bus->bus_client, -EINVAL);

de0671ee7fe465e108f62dcbbbe9366f81dd9e9aZbigniew Jędrzejewski-Szmek assert_return(!bus_pid_changed(bus), -ECHILD);

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering assert_return(service_name_is_valid(name), -EINVAL);

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering assert_return(name[0] != ':', -EINVAL);

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering

ebcf1f97de4f6b1580ae55eb56b1a3939fe6b602Lennart Poettering if (!BUS_IS_OPEN(bus->state))

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering return -ENOTCONN;

df2d202e6ed4001a21c6512c244acad5d4706c87Lennart Poettering

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering if (bus->is_kernel)

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering return bus_release_name_kernel(bus, name);

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering else

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering return bus_release_name_dbus1(bus, name);

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering}

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poetteringstatic int kernel_get_list(sd_bus *bus, uint64_t flags, char ***x) {

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering struct kdbus_cmd_name_list cmd = {};

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering struct kdbus_name_list *name_list;

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering struct kdbus_name_info *name;

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering uint64_t previous_id = 0;

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering int r;

df2d202e6ed4001a21c6512c244acad5d4706c87Lennart Poettering

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering /* Caller will free half-constructed list on failure... */

ebcf1f97de4f6b1580ae55eb56b1a3939fe6b602Lennart Poettering

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering cmd.flags = flags;

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering r = ioctl(bus->input_fd, KDBUS_CMD_NAME_LIST, &cmd);

ebcf1f97de4f6b1580ae55eb56b1a3939fe6b602Lennart Poettering if (r < 0)

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering return -errno;

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering name_list = (struct kdbus_name_list *) ((uint8_t *) bus->kdbus_buffer + cmd.offset);

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering KDBUS_ITEM_FOREACH(name, name_list, names) {

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering

ebcf1f97de4f6b1580ae55eb56b1a3939fe6b602Lennart Poettering struct kdbus_item *item;

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering const char *entry_name = NULL;

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering if ((flags & KDBUS_NAME_LIST_UNIQUE) && name->owner_id != previous_id) {

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering char *n;

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering if (asprintf(&n, ":1.%llu", (unsigned long long) name->owner_id) < 0) {

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering r = -ENOMEM;

ebcf1f97de4f6b1580ae55eb56b1a3939fe6b602Lennart Poettering goto fail;

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering }

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering r = strv_consume(x, n);

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering if (r < 0)

ebcf1f97de4f6b1580ae55eb56b1a3939fe6b602Lennart Poettering goto fail;

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering

9030ca462bd13cd6536299814e4a71d5c5e85be9Lennart Poettering previous_id = name->owner_id;

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering }

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering

9b5ed6feda08290edce3bf916fa7362733dd30eaLennart Poettering KDBUS_ITEM_FOREACH(item, name, items)

8aec412ff697bc14995746953912ca6fdf2c9ba8Lennart Poettering if (item->type == KDBUS_ITEM_OWNED_NAME)

9b5ed6feda08290edce3bf916fa7362733dd30eaLennart Poettering entry_name = item->name.name;

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering if (entry_name && service_name_is_valid(entry_name)) {

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering r = strv_extend(x, entry_name);

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering if (r < 0) {

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering r = -ENOMEM;

9b5ed6feda08290edce3bf916fa7362733dd30eaLennart Poettering goto fail;

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering }

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering }

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering }

89f7c8465cd1ab37347dd0c15920bce31e8225dfLennart Poettering

89f7c8465cd1ab37347dd0c15920bce31e8225dfLennart Poettering r = 0;

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poetteringfail:

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering bus_kernel_cmd_free(bus, cmd.offset);

ebcf1f97de4f6b1580ae55eb56b1a3939fe6b602Lennart Poettering return r;

7f0d207d2c816e0a8cb2742b0a789911f7c99356Lennart Poettering}

ebcf1f97de4f6b1580ae55eb56b1a3939fe6b602Lennart Poettering

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poetteringstatic int bus_list_names_kernel(sd_bus *bus, char ***acquired, char ***activatable) {

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering _cleanup_strv_free_ char **x = NULL, **y = NULL;

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering int r;

ebcf1f97de4f6b1580ae55eb56b1a3939fe6b602Lennart Poettering

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering if (acquired) {

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering r = kernel_get_list(bus, KDBUS_NAME_LIST_UNIQUE | KDBUS_NAME_LIST_NAMES, &x);

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering if (r < 0)

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering return r;

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering }

ebcf1f97de4f6b1580ae55eb56b1a3939fe6b602Lennart Poettering

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering if (activatable) {

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering r = kernel_get_list(bus, KDBUS_NAME_LIST_ACTIVATORS, &y);

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering if (r < 0)

ebcf1f97de4f6b1580ae55eb56b1a3939fe6b602Lennart Poettering return r;

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering

9b5ed6feda08290edce3bf916fa7362733dd30eaLennart Poettering *activatable = y;

9b5ed6feda08290edce3bf916fa7362733dd30eaLennart Poettering y = NULL;

9b5ed6feda08290edce3bf916fa7362733dd30eaLennart Poettering }

9b5ed6feda08290edce3bf916fa7362733dd30eaLennart Poettering

9b5ed6feda08290edce3bf916fa7362733dd30eaLennart Poettering if (acquired) {

9b5ed6feda08290edce3bf916fa7362733dd30eaLennart Poettering *acquired = x;

9b5ed6feda08290edce3bf916fa7362733dd30eaLennart Poettering x = NULL;

9b5ed6feda08290edce3bf916fa7362733dd30eaLennart Poettering }

9b5ed6feda08290edce3bf916fa7362733dd30eaLennart Poettering

9b5ed6feda08290edce3bf916fa7362733dd30eaLennart Poettering return 0;

9b5ed6feda08290edce3bf916fa7362733dd30eaLennart Poettering}

9b5ed6feda08290edce3bf916fa7362733dd30eaLennart Poettering

9b5ed6feda08290edce3bf916fa7362733dd30eaLennart Poetteringstatic int bus_list_names_dbus1(sd_bus *bus, char ***acquired, char ***activatable) {

9b5ed6feda08290edce3bf916fa7362733dd30eaLennart Poettering _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;

9b5ed6feda08290edce3bf916fa7362733dd30eaLennart Poettering _cleanup_strv_free_ char **x = NULL, **y = NULL;

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering int r;

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering if (acquired) {

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering r = sd_bus_call_method(

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering bus,

ebcf1f97de4f6b1580ae55eb56b1a3939fe6b602Lennart Poettering "org.freedesktop.DBus",

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering "/org/freedesktop/DBus",

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering "org.freedesktop.DBus",

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering "ListNames",

ebcf1f97de4f6b1580ae55eb56b1a3939fe6b602Lennart Poettering NULL,

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering &reply,

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering NULL);

ebcf1f97de4f6b1580ae55eb56b1a3939fe6b602Lennart Poettering if (r < 0)

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering return r;

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering

5b12334d35eadf1f45cc3d631fd1a2e72ffaea0aLennart Poettering r = sd_bus_message_read_strv(reply, &x);

5b12334d35eadf1f45cc3d631fd1a2e72ffaea0aLennart Poettering if (r < 0)

5b12334d35eadf1f45cc3d631fd1a2e72ffaea0aLennart Poettering return r;

5b12334d35eadf1f45cc3d631fd1a2e72ffaea0aLennart Poettering

5b12334d35eadf1f45cc3d631fd1a2e72ffaea0aLennart Poettering reply = sd_bus_message_unref(reply);

5b12334d35eadf1f45cc3d631fd1a2e72ffaea0aLennart Poettering }

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering

554604b3073467af75dc94fac9e2343148603289Lennart Poettering if (activatable) {

5b12334d35eadf1f45cc3d631fd1a2e72ffaea0aLennart Poettering r = sd_bus_call_method(

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering bus,

ebcf1f97de4f6b1580ae55eb56b1a3939fe6b602Lennart Poettering "org.freedesktop.DBus",

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering "/org/freedesktop/DBus",

554604b3073467af75dc94fac9e2343148603289Lennart Poettering "org.freedesktop.DBus",

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering "ListActivatableNames",

ebcf1f97de4f6b1580ae55eb56b1a3939fe6b602Lennart Poettering NULL,

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering &reply,

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering NULL);

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering if (r < 0)

ebcf1f97de4f6b1580ae55eb56b1a3939fe6b602Lennart Poettering return r;

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering r = sd_bus_message_read_strv(reply, &y);

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering if (r < 0)

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering return r;

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering *activatable = y;

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering y = NULL;

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering }

ebcf1f97de4f6b1580ae55eb56b1a3939fe6b602Lennart Poettering

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering if (acquired) {

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering *acquired = x;

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering x = NULL;

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering }

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering return 0;

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering}

ebcf1f97de4f6b1580ae55eb56b1a3939fe6b602Lennart Poettering

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering_public_ int sd_bus_list_names(sd_bus *bus, char ***acquired, char ***activatable) {

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering assert_return(bus, -EINVAL);

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering assert_return(acquired || activatable, -EINVAL);

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering assert_return(!bus_pid_changed(bus), -ECHILD);

9b5ed6feda08290edce3bf916fa7362733dd30eaLennart Poettering

9b5ed6feda08290edce3bf916fa7362733dd30eaLennart Poettering if (!BUS_IS_OPEN(bus->state))

9b5ed6feda08290edce3bf916fa7362733dd30eaLennart Poettering return -ENOTCONN;

9b5ed6feda08290edce3bf916fa7362733dd30eaLennart Poettering

9b5ed6feda08290edce3bf916fa7362733dd30eaLennart Poettering if (bus->is_kernel)

9b5ed6feda08290edce3bf916fa7362733dd30eaLennart Poettering return bus_list_names_kernel(bus, acquired, activatable);

9b5ed6feda08290edce3bf916fa7362733dd30eaLennart Poettering else

9b5ed6feda08290edce3bf916fa7362733dd30eaLennart Poettering return bus_list_names_dbus1(bus, acquired, activatable);

9b5ed6feda08290edce3bf916fa7362733dd30eaLennart Poettering}

9b5ed6feda08290edce3bf916fa7362733dd30eaLennart Poettering

9b5ed6feda08290edce3bf916fa7362733dd30eaLennart Poetteringstatic int bus_populate_creds_from_items(

89f7c8465cd1ab37347dd0c15920bce31e8225dfLennart Poettering sd_bus *bus,

89f7c8465cd1ab37347dd0c15920bce31e8225dfLennart Poettering struct kdbus_info *info,

89f7c8465cd1ab37347dd0c15920bce31e8225dfLennart Poettering uint64_t mask,

89f7c8465cd1ab37347dd0c15920bce31e8225dfLennart Poettering sd_bus_creds *c) {

89f7c8465cd1ab37347dd0c15920bce31e8225dfLennart Poettering

89f7c8465cd1ab37347dd0c15920bce31e8225dfLennart Poettering struct kdbus_item *item;

89f7c8465cd1ab37347dd0c15920bce31e8225dfLennart Poettering uint64_t m;

89f7c8465cd1ab37347dd0c15920bce31e8225dfLennart Poettering int r;

89f7c8465cd1ab37347dd0c15920bce31e8225dfLennart Poettering

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering assert(bus);

89f7c8465cd1ab37347dd0c15920bce31e8225dfLennart Poettering assert(info);

89f7c8465cd1ab37347dd0c15920bce31e8225dfLennart Poettering assert(c);

89f7c8465cd1ab37347dd0c15920bce31e8225dfLennart Poettering

89f7c8465cd1ab37347dd0c15920bce31e8225dfLennart Poettering KDBUS_ITEM_FOREACH(item, info, items) {

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering switch (item->type) {

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering

9b5ed6feda08290edce3bf916fa7362733dd30eaLennart Poettering case KDBUS_ITEM_PIDS:

89f7c8465cd1ab37347dd0c15920bce31e8225dfLennart Poettering

89f7c8465cd1ab37347dd0c15920bce31e8225dfLennart Poettering if (mask & SD_BUS_CREDS_PID && item->pids.pid > 0) {

89f7c8465cd1ab37347dd0c15920bce31e8225dfLennart Poettering c->pid = (pid_t) item->pids.pid;

89f7c8465cd1ab37347dd0c15920bce31e8225dfLennart Poettering c->mask |= SD_BUS_CREDS_PID;

89f7c8465cd1ab37347dd0c15920bce31e8225dfLennart Poettering }

89f7c8465cd1ab37347dd0c15920bce31e8225dfLennart Poettering

89f7c8465cd1ab37347dd0c15920bce31e8225dfLennart Poettering if (mask & SD_BUS_CREDS_TID && item->pids.tid > 0) {

ebcf1f97de4f6b1580ae55eb56b1a3939fe6b602Lennart Poettering c->tid = (pid_t) item->pids.tid;

ebcf1f97de4f6b1580ae55eb56b1a3939fe6b602Lennart Poettering c->mask |= SD_BUS_CREDS_TID;

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering }

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering if (mask & SD_BUS_CREDS_PID_STARTTIME && item->pids.starttime > 0) {

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering c->pid_starttime = item->pids.starttime;

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering c->mask |= SD_BUS_CREDS_PID_STARTTIME;

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering }

a3e7f417d72ba3251fd6b3a228a2721a4b725a03Zbigniew Jędrzejewski-Szmek

89f7c8465cd1ab37347dd0c15920bce31e8225dfLennart Poettering break;

89f7c8465cd1ab37347dd0c15920bce31e8225dfLennart Poettering

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering case KDBUS_ITEM_CREDS:

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering if (mask & SD_BUS_CREDS_UID && (uid_t) item->creds.uid != UID_INVALID) {

9b5ed6feda08290edce3bf916fa7362733dd30eaLennart Poettering c->uid = (uid_t) item->creds.uid;

9b5ed6feda08290edce3bf916fa7362733dd30eaLennart Poettering c->mask |= SD_BUS_CREDS_UID;

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering }

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering

9b5ed6feda08290edce3bf916fa7362733dd30eaLennart Poettering if (mask & SD_BUS_CREDS_EUID && (uid_t) item->creds.euid != UID_INVALID) {

9b5ed6feda08290edce3bf916fa7362733dd30eaLennart Poettering c->euid = (uid_t) item->creds.euid;

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering c->mask |= SD_BUS_CREDS_EUID;

89f7c8465cd1ab37347dd0c15920bce31e8225dfLennart Poettering }

89f7c8465cd1ab37347dd0c15920bce31e8225dfLennart Poettering

89f7c8465cd1ab37347dd0c15920bce31e8225dfLennart Poettering if (mask & SD_BUS_CREDS_SUID && (uid_t) item->creds.suid != UID_INVALID) {

89f7c8465cd1ab37347dd0c15920bce31e8225dfLennart Poettering c->suid = (uid_t) item->creds.suid;

89f7c8465cd1ab37347dd0c15920bce31e8225dfLennart Poettering c->mask |= SD_BUS_CREDS_SUID;

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering }

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering if (mask & SD_BUS_CREDS_FSUID && (uid_t) item->creds.fsuid != UID_INVALID) {

9b5ed6feda08290edce3bf916fa7362733dd30eaLennart Poettering c->fsuid = (uid_t) item->creds.fsuid;

89f7c8465cd1ab37347dd0c15920bce31e8225dfLennart Poettering c->mask |= SD_BUS_CREDS_FSUID;

89f7c8465cd1ab37347dd0c15920bce31e8225dfLennart Poettering }

89f7c8465cd1ab37347dd0c15920bce31e8225dfLennart Poettering

89f7c8465cd1ab37347dd0c15920bce31e8225dfLennart Poettering if (mask & SD_BUS_CREDS_GID && (gid_t) item->creds.gid != GID_INVALID) {

89f7c8465cd1ab37347dd0c15920bce31e8225dfLennart Poettering c->gid = (gid_t) item->creds.gid;

89f7c8465cd1ab37347dd0c15920bce31e8225dfLennart Poettering c->mask |= SD_BUS_CREDS_GID;

89f7c8465cd1ab37347dd0c15920bce31e8225dfLennart Poettering }

89f7c8465cd1ab37347dd0c15920bce31e8225dfLennart Poettering

89f7c8465cd1ab37347dd0c15920bce31e8225dfLennart Poettering if (mask & SD_BUS_CREDS_EGID && (gid_t) item->creds.egid != GID_INVALID) {

89f7c8465cd1ab37347dd0c15920bce31e8225dfLennart Poettering c->egid = (gid_t) item->creds.egid;

89f7c8465cd1ab37347dd0c15920bce31e8225dfLennart Poettering c->mask |= SD_BUS_CREDS_EGID;

89f7c8465cd1ab37347dd0c15920bce31e8225dfLennart Poettering }

89f7c8465cd1ab37347dd0c15920bce31e8225dfLennart Poettering

89f7c8465cd1ab37347dd0c15920bce31e8225dfLennart Poettering if (mask & SD_BUS_CREDS_SGID && (gid_t) item->creds.sgid != GID_INVALID) {

89f7c8465cd1ab37347dd0c15920bce31e8225dfLennart Poettering c->sgid = (gid_t) item->creds.sgid;

89f7c8465cd1ab37347dd0c15920bce31e8225dfLennart Poettering c->mask |= SD_BUS_CREDS_SGID;

89f7c8465cd1ab37347dd0c15920bce31e8225dfLennart Poettering }

89f7c8465cd1ab37347dd0c15920bce31e8225dfLennart Poettering

89f7c8465cd1ab37347dd0c15920bce31e8225dfLennart Poettering if (mask & SD_BUS_CREDS_FSGID && (gid_t) item->creds.fsgid != GID_INVALID) {

89f7c8465cd1ab37347dd0c15920bce31e8225dfLennart Poettering c->fsgid = (gid_t) item->creds.fsgid;

89f7c8465cd1ab37347dd0c15920bce31e8225dfLennart Poettering c->mask |= SD_BUS_CREDS_FSGID;

89f7c8465cd1ab37347dd0c15920bce31e8225dfLennart Poettering }

89f7c8465cd1ab37347dd0c15920bce31e8225dfLennart Poettering

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering break;

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering case KDBUS_ITEM_PID_COMM:

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering if (mask & SD_BUS_CREDS_COMM) {

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering r = free_and_strdup(&c->comm, item->str);

9b5ed6feda08290edce3bf916fa7362733dd30eaLennart Poettering if (r < 0)

9b5ed6feda08290edce3bf916fa7362733dd30eaLennart Poettering return r;

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering c->mask |= SD_BUS_CREDS_COMM;

9b5ed6feda08290edce3bf916fa7362733dd30eaLennart Poettering }

9b5ed6feda08290edce3bf916fa7362733dd30eaLennart Poettering break;

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering case KDBUS_ITEM_TID_COMM:

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering if (mask & SD_BUS_CREDS_TID_COMM) {

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering r = free_and_strdup(&c->tid_comm, item->str);

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering if (r < 0)

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering return r;

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering c->mask |= SD_BUS_CREDS_TID_COMM;

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering }

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering break;

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering

ebcf1f97de4f6b1580ae55eb56b1a3939fe6b602Lennart Poettering case KDBUS_ITEM_EXE:

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering if (mask & SD_BUS_CREDS_EXE) {

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering r = free_and_strdup(&c->exe, item->str);

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering if (r < 0)

ebcf1f97de4f6b1580ae55eb56b1a3939fe6b602Lennart Poettering return r;

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering c->mask |= SD_BUS_CREDS_EXE;

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering }

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering break;

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering case KDBUS_ITEM_CMDLINE:

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering if (mask & SD_BUS_CREDS_CMDLINE) {

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering c->cmdline_size = item->size - offsetof(struct kdbus_item, data);

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering c->cmdline = memdup(item->data, c->cmdline_size);

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering if (!c->cmdline)

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering return -ENOMEM;

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering c->mask |= SD_BUS_CREDS_CMDLINE;

878cd7e95ca303f9851d227a22d2022bd49944b0Lennart Poettering }

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering break;

ebcf1f97de4f6b1580ae55eb56b1a3939fe6b602Lennart Poettering

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering case KDBUS_ITEM_CGROUP:

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering m = (SD_BUS_CREDS_CGROUP | SD_BUS_CREDS_UNIT |

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering SD_BUS_CREDS_USER_UNIT | SD_BUS_CREDS_SLICE |

ebcf1f97de4f6b1580ae55eb56b1a3939fe6b602Lennart Poettering SD_BUS_CREDS_SESSION | SD_BUS_CREDS_OWNER_UID) & mask;

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering if (m) {

878cd7e95ca303f9851d227a22d2022bd49944b0Lennart Poettering r = free_and_strdup(&c->cgroup, item->str);

878cd7e95ca303f9851d227a22d2022bd49944b0Lennart Poettering if (r < 0)

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering return r;

878cd7e95ca303f9851d227a22d2022bd49944b0Lennart Poettering

878cd7e95ca303f9851d227a22d2022bd49944b0Lennart Poettering r = bus_get_root_path(bus);

878cd7e95ca303f9851d227a22d2022bd49944b0Lennart Poettering if (r < 0)

878cd7e95ca303f9851d227a22d2022bd49944b0Lennart Poettering return r;

878cd7e95ca303f9851d227a22d2022bd49944b0Lennart Poettering

878cd7e95ca303f9851d227a22d2022bd49944b0Lennart Poettering r = free_and_strdup(&c->cgroup_root, bus->cgroup_root);

878cd7e95ca303f9851d227a22d2022bd49944b0Lennart Poettering if (r < 0)

878cd7e95ca303f9851d227a22d2022bd49944b0Lennart Poettering return r;

878cd7e95ca303f9851d227a22d2022bd49944b0Lennart Poettering

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering c->mask |= m;

ebcf1f97de4f6b1580ae55eb56b1a3939fe6b602Lennart Poettering }

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering break;

878cd7e95ca303f9851d227a22d2022bd49944b0Lennart Poettering

878cd7e95ca303f9851d227a22d2022bd49944b0Lennart Poettering case KDBUS_ITEM_CAPS:

878cd7e95ca303f9851d227a22d2022bd49944b0Lennart Poettering m = (SD_BUS_CREDS_EFFECTIVE_CAPS | SD_BUS_CREDS_PERMITTED_CAPS |

878cd7e95ca303f9851d227a22d2022bd49944b0Lennart Poettering SD_BUS_CREDS_INHERITABLE_CAPS | SD_BUS_CREDS_BOUNDING_CAPS) & mask;

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering if (m) {

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering c->capability_size = item->size - offsetof(struct kdbus_item, caps.caps);

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering c->capability = memdup(item->caps.caps, c->capability_size);

717603e391b52983ca1fd218e7333a1b9dfc5c05Lennart Poettering if (!c->capability)

717603e391b52983ca1fd218e7333a1b9dfc5c05Lennart Poettering return -ENOMEM;

717603e391b52983ca1fd218e7333a1b9dfc5c05Lennart Poettering

717603e391b52983ca1fd218e7333a1b9dfc5c05Lennart Poettering c->mask |= m;

717603e391b52983ca1fd218e7333a1b9dfc5c05Lennart Poettering }

717603e391b52983ca1fd218e7333a1b9dfc5c05Lennart Poettering break;

717603e391b52983ca1fd218e7333a1b9dfc5c05Lennart Poettering

717603e391b52983ca1fd218e7333a1b9dfc5c05Lennart Poettering case KDBUS_ITEM_SECLABEL:

717603e391b52983ca1fd218e7333a1b9dfc5c05Lennart Poettering if (mask & SD_BUS_CREDS_SELINUX_CONTEXT) {

717603e391b52983ca1fd218e7333a1b9dfc5c05Lennart Poettering r = free_and_strdup(&c->label, item->str);

717603e391b52983ca1fd218e7333a1b9dfc5c05Lennart Poettering if (r < 0)

717603e391b52983ca1fd218e7333a1b9dfc5c05Lennart Poettering return r;

717603e391b52983ca1fd218e7333a1b9dfc5c05Lennart Poettering

717603e391b52983ca1fd218e7333a1b9dfc5c05Lennart Poettering c->mask |= SD_BUS_CREDS_SELINUX_CONTEXT;

717603e391b52983ca1fd218e7333a1b9dfc5c05Lennart Poettering }

717603e391b52983ca1fd218e7333a1b9dfc5c05Lennart Poettering break;

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering

717603e391b52983ca1fd218e7333a1b9dfc5c05Lennart Poettering case KDBUS_ITEM_AUDIT:

717603e391b52983ca1fd218e7333a1b9dfc5c05Lennart Poettering if (mask & SD_BUS_CREDS_AUDIT_SESSION_ID && (uint32_t) item->audit.sessionid != (uint32_t) -1) {

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering c->audit_session_id = (uint32_t) item->audit.sessionid;

cd61c3bfd718fb398cc53ced906266a9297782c9Lennart Poettering c->mask |= SD_BUS_CREDS_AUDIT_SESSION_ID;

cd61c3bfd718fb398cc53ced906266a9297782c9Lennart Poettering }

cd61c3bfd718fb398cc53ced906266a9297782c9Lennart Poettering

cd61c3bfd718fb398cc53ced906266a9297782c9Lennart Poettering if (mask & SD_BUS_CREDS_AUDIT_LOGIN_UID && (uid_t) item->audit.loginuid != UID_INVALID) {

cd61c3bfd718fb398cc53ced906266a9297782c9Lennart Poettering c->audit_login_uid = (uid_t) item->audit.loginuid;

cd61c3bfd718fb398cc53ced906266a9297782c9Lennart Poettering c->mask |= SD_BUS_CREDS_AUDIT_LOGIN_UID;

cd61c3bfd718fb398cc53ced906266a9297782c9Lennart Poettering }

cd61c3bfd718fb398cc53ced906266a9297782c9Lennart Poettering break;

cd61c3bfd718fb398cc53ced906266a9297782c9Lennart Poettering

cd61c3bfd718fb398cc53ced906266a9297782c9Lennart Poettering case KDBUS_ITEM_OWNED_NAME:

cd61c3bfd718fb398cc53ced906266a9297782c9Lennart Poettering if ((mask & SD_BUS_CREDS_WELL_KNOWN_NAMES) && service_name_is_valid(item->name.name)) {

cd61c3bfd718fb398cc53ced906266a9297782c9Lennart Poettering r = strv_extend(&c->well_known_names, item->name.name);

cd61c3bfd718fb398cc53ced906266a9297782c9Lennart Poettering if (r < 0)

cd61c3bfd718fb398cc53ced906266a9297782c9Lennart Poettering return r;

cd61c3bfd718fb398cc53ced906266a9297782c9Lennart Poettering

cd61c3bfd718fb398cc53ced906266a9297782c9Lennart Poettering c->mask |= SD_BUS_CREDS_WELL_KNOWN_NAMES;

cd61c3bfd718fb398cc53ced906266a9297782c9Lennart Poettering }

cd61c3bfd718fb398cc53ced906266a9297782c9Lennart Poettering break;

cd61c3bfd718fb398cc53ced906266a9297782c9Lennart Poettering

cd61c3bfd718fb398cc53ced906266a9297782c9Lennart Poettering case KDBUS_ITEM_CONN_DESCRIPTION:

cd61c3bfd718fb398cc53ced906266a9297782c9Lennart Poettering if (mask & SD_BUS_CREDS_DESCRIPTION) {

cd61c3bfd718fb398cc53ced906266a9297782c9Lennart Poettering r = free_and_strdup(&c->description, item->str);

b6b1849830f5e4a6065c3b0c993668e500c954d3Lennart Poettering if (r < 0)

cd61c3bfd718fb398cc53ced906266a9297782c9Lennart Poettering return r;

cd61c3bfd718fb398cc53ced906266a9297782c9Lennart Poettering

cd61c3bfd718fb398cc53ced906266a9297782c9Lennart Poettering c->mask |= SD_BUS_CREDS_DESCRIPTION;

cd61c3bfd718fb398cc53ced906266a9297782c9Lennart Poettering }

cd61c3bfd718fb398cc53ced906266a9297782c9Lennart Poettering break;

cd61c3bfd718fb398cc53ced906266a9297782c9Lennart Poettering

cd61c3bfd718fb398cc53ced906266a9297782c9Lennart Poettering case KDBUS_ITEM_AUXGROUPS:

cd61c3bfd718fb398cc53ced906266a9297782c9Lennart Poettering if (mask & SD_BUS_CREDS_SUPPLEMENTARY_GIDS) {

cd61c3bfd718fb398cc53ced906266a9297782c9Lennart Poettering size_t n;

cd61c3bfd718fb398cc53ced906266a9297782c9Lennart Poettering uid_t *g;

b6b1849830f5e4a6065c3b0c993668e500c954d3Lennart Poettering

cd61c3bfd718fb398cc53ced906266a9297782c9Lennart Poettering assert_cc(sizeof(gid_t) == sizeof(uint32_t));

cd61c3bfd718fb398cc53ced906266a9297782c9Lennart Poettering

cd61c3bfd718fb398cc53ced906266a9297782c9Lennart Poettering n = (item->size - offsetof(struct kdbus_item, data32)) / sizeof(uint32_t);

10f9c75519671e7c7ab8993b54fe22da7c2d0c38Lennart Poettering g = newdup(gid_t, item->data32, n);

10f9c75519671e7c7ab8993b54fe22da7c2d0c38Lennart Poettering if (!g)

c19de71113f956809995fc68817e055e9f61f607Lennart Poettering return -ENOMEM;

cd61c3bfd718fb398cc53ced906266a9297782c9Lennart Poettering

cd61c3bfd718fb398cc53ced906266a9297782c9Lennart Poettering free(c->supplementary_gids);

cd61c3bfd718fb398cc53ced906266a9297782c9Lennart Poettering c->supplementary_gids = g;

cd61c3bfd718fb398cc53ced906266a9297782c9Lennart Poettering c->n_supplementary_gids = n;

cd61c3bfd718fb398cc53ced906266a9297782c9Lennart Poettering

cd61c3bfd718fb398cc53ced906266a9297782c9Lennart Poettering c->mask |= SD_BUS_CREDS_SUPPLEMENTARY_GIDS;

cd61c3bfd718fb398cc53ced906266a9297782c9Lennart Poettering }

cd61c3bfd718fb398cc53ced906266a9297782c9Lennart Poettering break;

cd61c3bfd718fb398cc53ced906266a9297782c9Lennart Poettering }

9030ca462bd13cd6536299814e4a71d5c5e85be9Lennart Poettering }

cd61c3bfd718fb398cc53ced906266a9297782c9Lennart Poettering

cd61c3bfd718fb398cc53ced906266a9297782c9Lennart Poettering return 0;

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering}

40205d706e1210763ff4c98a317556375bd04bcdLennart Poettering

40205d706e1210763ff4c98a317556375bd04bcdLennart Poetteringint bus_get_name_creds_kdbus(

40205d706e1210763ff4c98a317556375bd04bcdLennart Poettering sd_bus *bus,

40205d706e1210763ff4c98a317556375bd04bcdLennart Poettering const char *name,

40205d706e1210763ff4c98a317556375bd04bcdLennart Poettering uint64_t mask,

40205d706e1210763ff4c98a317556375bd04bcdLennart Poettering bool allow_activator,

40205d706e1210763ff4c98a317556375bd04bcdLennart Poettering sd_bus_creds **creds) {

40205d706e1210763ff4c98a317556375bd04bcdLennart Poettering

40205d706e1210763ff4c98a317556375bd04bcdLennart Poettering _cleanup_bus_creds_unref_ sd_bus_creds *c = NULL;

40205d706e1210763ff4c98a317556375bd04bcdLennart Poettering struct kdbus_cmd_info *cmd;

40205d706e1210763ff4c98a317556375bd04bcdLennart Poettering struct kdbus_info *conn_info;

40205d706e1210763ff4c98a317556375bd04bcdLennart Poettering size_t size, l;

40205d706e1210763ff4c98a317556375bd04bcdLennart Poettering uint64_t id;

40205d706e1210763ff4c98a317556375bd04bcdLennart Poettering int r;

40205d706e1210763ff4c98a317556375bd04bcdLennart Poettering

40205d706e1210763ff4c98a317556375bd04bcdLennart Poettering r = bus_kernel_parse_unique_name(name, &id);

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering if (r < 0)

40205d706e1210763ff4c98a317556375bd04bcdLennart Poettering return r;

40205d706e1210763ff4c98a317556375bd04bcdLennart Poettering if (r > 0) {

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering size = offsetof(struct kdbus_cmd_info, items);

5f8cc96a0301c1177b11dd2e89370ef0b2ef577bLennart Poettering cmd = alloca0_align(size, 8);

5f8cc96a0301c1177b11dd2e89370ef0b2ef577bLennart Poettering cmd->id = id;

5f8cc96a0301c1177b11dd2e89370ef0b2ef577bLennart Poettering } else {

5f8cc96a0301c1177b11dd2e89370ef0b2ef577bLennart Poettering l = strlen(name) + 1;

5f8cc96a0301c1177b11dd2e89370ef0b2ef577bLennart Poettering size = offsetof(struct kdbus_cmd_info, items) + KDBUS_ITEM_SIZE(l);

5f8cc96a0301c1177b11dd2e89370ef0b2ef577bLennart Poettering cmd = alloca0_align(size, 8);

5f8cc96a0301c1177b11dd2e89370ef0b2ef577bLennart Poettering cmd->items[0].size = KDBUS_ITEM_HEADER_SIZE + l;

5f8cc96a0301c1177b11dd2e89370ef0b2ef577bLennart Poettering cmd->items[0].type = KDBUS_ITEM_NAME;

5f8cc96a0301c1177b11dd2e89370ef0b2ef577bLennart Poettering memcpy(cmd->items[0].str, name, l);

5f8cc96a0301c1177b11dd2e89370ef0b2ef577bLennart Poettering }

086821244b5113f00a0ef993b78dc56aae2a8f6cLennart Poettering

5f8cc96a0301c1177b11dd2e89370ef0b2ef577bLennart Poettering cmd->size = size;

5f8cc96a0301c1177b11dd2e89370ef0b2ef577bLennart Poettering cmd->flags = attach_flags_to_kdbus(mask);

5f8cc96a0301c1177b11dd2e89370ef0b2ef577bLennart Poettering

5f8cc96a0301c1177b11dd2e89370ef0b2ef577bLennart Poettering /* If augmentation is on, and the bus doesn't didn't allow us

5f8cc96a0301c1177b11dd2e89370ef0b2ef577bLennart Poettering if ((mask & SD_BUS_CREDS_AUGMENT) &&

5f8cc96a0301c1177b11dd2e89370ef0b2ef577bLennart Poettering (mask & (SD_BUS_CREDS_UID|SD_BUS_CREDS_EUID|SD_BUS_CREDS_SUID|SD_BUS_CREDS_FSUID|

49af9e1368571f4e423cde0fd45ee284451434d1Lennart Poettering SD_BUS_CREDS_GID|SD_BUS_CREDS_EGID|SD_BUS_CREDS_SGID|SD_BUS_CREDS_FSGID|

49af9e1368571f4e423cde0fd45ee284451434d1Lennart Poettering SD_BUS_CREDS_COMM|SD_BUS_CREDS_TID_COMM|SD_BUS_CREDS_EXE|SD_BUS_CREDS_CMDLINE|

49af9e1368571f4e423cde0fd45ee284451434d1Lennart Poettering SD_BUS_CREDS_CGROUP|SD_BUS_CREDS_UNIT|SD_BUS_CREDS_USER_UNIT|SD_BUS_CREDS_SLICE|SD_BUS_CREDS_SESSION|SD_BUS_CREDS_OWNER_UID|

49af9e1368571f4e423cde0fd45ee284451434d1Lennart Poettering SD_BUS_CREDS_EFFECTIVE_CAPS|SD_BUS_CREDS_PERMITTED_CAPS|SD_BUS_CREDS_INHERITABLE_CAPS|SD_BUS_CREDS_BOUNDING_CAPS|

49af9e1368571f4e423cde0fd45ee284451434d1Lennart Poettering SD_BUS_CREDS_SELINUX_CONTEXT|

49af9e1368571f4e423cde0fd45ee284451434d1Lennart Poettering SD_BUS_CREDS_AUDIT_SESSION_ID|SD_BUS_CREDS_AUDIT_LOGIN_UID)))

49af9e1368571f4e423cde0fd45ee284451434d1Lennart Poettering cmd->flags |= KDBUS_ATTACH_PIDS;

49af9e1368571f4e423cde0fd45ee284451434d1Lennart Poettering

49af9e1368571f4e423cde0fd45ee284451434d1Lennart Poettering r = ioctl(bus->input_fd, KDBUS_CMD_CONN_INFO, cmd);

49af9e1368571f4e423cde0fd45ee284451434d1Lennart Poettering if (r < 0)

49af9e1368571f4e423cde0fd45ee284451434d1Lennart Poettering return -errno;

49af9e1368571f4e423cde0fd45ee284451434d1Lennart Poettering

49af9e1368571f4e423cde0fd45ee284451434d1Lennart Poettering conn_info = (struct kdbus_info *) ((uint8_t *) bus->kdbus_buffer + cmd->offset);

49af9e1368571f4e423cde0fd45ee284451434d1Lennart Poettering

49af9e1368571f4e423cde0fd45ee284451434d1Lennart Poettering /* Non-activated names are considered not available */

49af9e1368571f4e423cde0fd45ee284451434d1Lennart Poettering if (!allow_activator && (conn_info->flags & KDBUS_HELLO_ACTIVATOR)) {

49af9e1368571f4e423cde0fd45ee284451434d1Lennart Poettering if (name[0] == ':')

49af9e1368571f4e423cde0fd45ee284451434d1Lennart Poettering r = -ENXIO;

49af9e1368571f4e423cde0fd45ee284451434d1Lennart Poettering else

49af9e1368571f4e423cde0fd45ee284451434d1Lennart Poettering r = -ESRCH;

49af9e1368571f4e423cde0fd45ee284451434d1Lennart Poettering goto fail;

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering }

90adaa25e894a580930ef2c3e65ab8db8295515aLennart Poettering

90adaa25e894a580930ef2c3e65ab8db8295515aLennart Poettering c = bus_creds_new();

90adaa25e894a580930ef2c3e65ab8db8295515aLennart Poettering if (!c) {

90adaa25e894a580930ef2c3e65ab8db8295515aLennart Poettering r = -ENOMEM;

90adaa25e894a580930ef2c3e65ab8db8295515aLennart Poettering goto fail;

90adaa25e894a580930ef2c3e65ab8db8295515aLennart Poettering }

90adaa25e894a580930ef2c3e65ab8db8295515aLennart Poettering

90adaa25e894a580930ef2c3e65ab8db8295515aLennart Poettering if (mask & SD_BUS_CREDS_UNIQUE_NAME) {

90adaa25e894a580930ef2c3e65ab8db8295515aLennart Poettering if (asprintf(&c->unique_name, ":1.%llu", (unsigned long long) conn_info->id) < 0) {

90adaa25e894a580930ef2c3e65ab8db8295515aLennart Poettering r = -ENOMEM;

90adaa25e894a580930ef2c3e65ab8db8295515aLennart Poettering goto fail;

90adaa25e894a580930ef2c3e65ab8db8295515aLennart Poettering }

90adaa25e894a580930ef2c3e65ab8db8295515aLennart Poettering

90adaa25e894a580930ef2c3e65ab8db8295515aLennart Poettering c->mask |= SD_BUS_CREDS_UNIQUE_NAME;

90adaa25e894a580930ef2c3e65ab8db8295515aLennart Poettering }

90adaa25e894a580930ef2c3e65ab8db8295515aLennart Poettering

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering /* If KDBUS_ITEM_OWNED_NAME is requested then we'll get 0 of

0370612e0522191f929e3feb7d4937fff3d421e2Lennart Poettering c->mask |= mask & SD_BUS_CREDS_WELL_KNOWN_NAMES;

0370612e0522191f929e3feb7d4937fff3d421e2Lennart Poettering

0370612e0522191f929e3feb7d4937fff3d421e2Lennart Poettering r = bus_populate_creds_from_items(bus, conn_info, mask, c);

0370612e0522191f929e3feb7d4937fff3d421e2Lennart Poettering if (r < 0)

0370612e0522191f929e3feb7d4937fff3d421e2Lennart Poettering goto fail;

0370612e0522191f929e3feb7d4937fff3d421e2Lennart Poettering

0370612e0522191f929e3feb7d4937fff3d421e2Lennart Poettering r = bus_creds_add_more(c, mask, 0, 0);

0370612e0522191f929e3feb7d4937fff3d421e2Lennart Poettering if (r < 0)

0370612e0522191f929e3feb7d4937fff3d421e2Lennart Poettering goto fail;

0370612e0522191f929e3feb7d4937fff3d421e2Lennart Poettering

0370612e0522191f929e3feb7d4937fff3d421e2Lennart Poettering if (creds) {

0370612e0522191f929e3feb7d4937fff3d421e2Lennart Poettering *creds = c;

0370612e0522191f929e3feb7d4937fff3d421e2Lennart Poettering c = NULL;

0370612e0522191f929e3feb7d4937fff3d421e2Lennart Poettering }

0370612e0522191f929e3feb7d4937fff3d421e2Lennart Poettering

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering r = 0;

0370612e0522191f929e3feb7d4937fff3d421e2Lennart Poettering

0370612e0522191f929e3feb7d4937fff3d421e2Lennart Poetteringfail:

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering bus_kernel_cmd_free(bus, cmd->offset);

086821244b5113f00a0ef993b78dc56aae2a8f6cLennart Poettering return r;

086821244b5113f00a0ef993b78dc56aae2a8f6cLennart Poettering}

086821244b5113f00a0ef993b78dc56aae2a8f6cLennart Poettering

086821244b5113f00a0ef993b78dc56aae2a8f6cLennart Poetteringstatic int bus_get_name_creds_dbus1(

086821244b5113f00a0ef993b78dc56aae2a8f6cLennart Poettering sd_bus *bus,

086821244b5113f00a0ef993b78dc56aae2a8f6cLennart Poettering const char *name,

086821244b5113f00a0ef993b78dc56aae2a8f6cLennart Poettering uint64_t mask,

086821244b5113f00a0ef993b78dc56aae2a8f6cLennart Poettering sd_bus_creds **creds) {

086821244b5113f00a0ef993b78dc56aae2a8f6cLennart Poettering

086821244b5113f00a0ef993b78dc56aae2a8f6cLennart Poettering _cleanup_bus_message_unref_ sd_bus_message *reply_unique = NULL, *reply = NULL;

086821244b5113f00a0ef993b78dc56aae2a8f6cLennart Poettering _cleanup_bus_creds_unref_ sd_bus_creds *c = NULL;

086821244b5113f00a0ef993b78dc56aae2a8f6cLennart Poettering const char *unique = NULL;

086821244b5113f00a0ef993b78dc56aae2a8f6cLennart Poettering pid_t pid = 0;

086821244b5113f00a0ef993b78dc56aae2a8f6cLennart Poettering int r;

086821244b5113f00a0ef993b78dc56aae2a8f6cLennart Poettering

086821244b5113f00a0ef993b78dc56aae2a8f6cLennart Poettering /* Only query the owner if the caller wants to know it or if

086821244b5113f00a0ef993b78dc56aae2a8f6cLennart Poettering if ((mask & SD_BUS_CREDS_UNIQUE_NAME) || mask == 0) {

086821244b5113f00a0ef993b78dc56aae2a8f6cLennart Poettering r = sd_bus_call_method(

70244d1d25eb80b57e160ea004d0e6bf793d4cafLennart Poettering bus,

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering "org.freedesktop.DBus",

086821244b5113f00a0ef993b78dc56aae2a8f6cLennart Poettering "/org/freedesktop/DBus",

086821244b5113f00a0ef993b78dc56aae2a8f6cLennart Poettering "org.freedesktop.DBus",

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering "GetNameOwner",

ebd93cb684806ac0f352139e69ac8f53eb49f5e4Lennart Poettering NULL,

1ddb263d21099ae42195c2bc382bdf72a7f24f82Lennart Poettering &reply_unique,

ebd93cb684806ac0f352139e69ac8f53eb49f5e4Lennart Poettering "s",

ebd93cb684806ac0f352139e69ac8f53eb49f5e4Lennart Poettering name);

ebd93cb684806ac0f352139e69ac8f53eb49f5e4Lennart Poettering if (r < 0)

ebd93cb684806ac0f352139e69ac8f53eb49f5e4Lennart Poettering return r;

1ddb263d21099ae42195c2bc382bdf72a7f24f82Lennart Poettering

ebd93cb684806ac0f352139e69ac8f53eb49f5e4Lennart Poettering r = sd_bus_message_read(reply_unique, "s", &unique);

ebd93cb684806ac0f352139e69ac8f53eb49f5e4Lennart Poettering if (r < 0)

ebd93cb684806ac0f352139e69ac8f53eb49f5e4Lennart Poettering return r;

ebd93cb684806ac0f352139e69ac8f53eb49f5e4Lennart Poettering }

ebd93cb684806ac0f352139e69ac8f53eb49f5e4Lennart Poettering

ebd93cb684806ac0f352139e69ac8f53eb49f5e4Lennart Poettering if (mask != 0) {

ebd93cb684806ac0f352139e69ac8f53eb49f5e4Lennart Poettering c = bus_creds_new();

ebd93cb684806ac0f352139e69ac8f53eb49f5e4Lennart Poettering if (!c)

ebd93cb684806ac0f352139e69ac8f53eb49f5e4Lennart Poettering return -ENOMEM;

ebd93cb684806ac0f352139e69ac8f53eb49f5e4Lennart Poettering

ebd93cb684806ac0f352139e69ac8f53eb49f5e4Lennart Poettering if ((mask & SD_BUS_CREDS_UNIQUE_NAME) && unique) {

ebd93cb684806ac0f352139e69ac8f53eb49f5e4Lennart Poettering c->unique_name = strdup(unique);

70244d1d25eb80b57e160ea004d0e6bf793d4cafLennart Poettering if (!c->unique_name)

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering return -ENOMEM;

ebd93cb684806ac0f352139e69ac8f53eb49f5e4Lennart Poettering

ebd93cb684806ac0f352139e69ac8f53eb49f5e4Lennart Poettering c->mask |= SD_BUS_CREDS_UNIQUE_NAME;

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering }

ebd93cb684806ac0f352139e69ac8f53eb49f5e4Lennart Poettering

1ddb263d21099ae42195c2bc382bdf72a7f24f82Lennart Poettering if ((mask & SD_BUS_CREDS_PID) ||

1ddb263d21099ae42195c2bc382bdf72a7f24f82Lennart Poettering ((mask & SD_BUS_CREDS_AUGMENT) &&

ebd93cb684806ac0f352139e69ac8f53eb49f5e4Lennart Poettering (mask & (SD_BUS_CREDS_PID_STARTTIME|

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering SD_BUS_CREDS_EUID|SD_BUS_CREDS_SUID|SD_BUS_CREDS_FSUID|

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering SD_BUS_CREDS_GID|SD_BUS_CREDS_EGID|SD_BUS_CREDS_SGID|SD_BUS_CREDS_FSGID|

1ddb263d21099ae42195c2bc382bdf72a7f24f82Lennart Poettering SD_BUS_CREDS_COMM|SD_BUS_CREDS_EXE|SD_BUS_CREDS_CMDLINE|

ebd93cb684806ac0f352139e69ac8f53eb49f5e4Lennart Poettering SD_BUS_CREDS_CGROUP|SD_BUS_CREDS_UNIT|SD_BUS_CREDS_USER_UNIT|SD_BUS_CREDS_SLICE|SD_BUS_CREDS_SESSION|SD_BUS_CREDS_OWNER_UID|

ebd93cb684806ac0f352139e69ac8f53eb49f5e4Lennart Poettering SD_BUS_CREDS_EFFECTIVE_CAPS|SD_BUS_CREDS_PERMITTED_CAPS|SD_BUS_CREDS_INHERITABLE_CAPS|SD_BUS_CREDS_BOUNDING_CAPS|

ebd93cb684806ac0f352139e69ac8f53eb49f5e4Lennart Poettering SD_BUS_CREDS_SELINUX_CONTEXT|

ebd93cb684806ac0f352139e69ac8f53eb49f5e4Lennart Poettering SD_BUS_CREDS_AUDIT_SESSION_ID|SD_BUS_CREDS_AUDIT_LOGIN_UID)))) {

ebd93cb684806ac0f352139e69ac8f53eb49f5e4Lennart Poettering

ebd93cb684806ac0f352139e69ac8f53eb49f5e4Lennart Poettering uint32_t u;

ebd93cb684806ac0f352139e69ac8f53eb49f5e4Lennart Poettering

ebd93cb684806ac0f352139e69ac8f53eb49f5e4Lennart Poettering r = sd_bus_call_method(

ebd93cb684806ac0f352139e69ac8f53eb49f5e4Lennart Poettering bus,

ebd93cb684806ac0f352139e69ac8f53eb49f5e4Lennart Poettering "org.freedesktop.DBus",

ebd93cb684806ac0f352139e69ac8f53eb49f5e4Lennart Poettering "/org/freedesktop/DBus",

ebd93cb684806ac0f352139e69ac8f53eb49f5e4Lennart Poettering "org.freedesktop.DBus",

70244d1d25eb80b57e160ea004d0e6bf793d4cafLennart Poettering "GetConnectionUnixProcessID",

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering NULL,

ebd93cb684806ac0f352139e69ac8f53eb49f5e4Lennart Poettering &reply,

ebd93cb684806ac0f352139e69ac8f53eb49f5e4Lennart Poettering "s",

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering unique ? unique : name);

ebd93cb684806ac0f352139e69ac8f53eb49f5e4Lennart Poettering if (r < 0)

ebd93cb684806ac0f352139e69ac8f53eb49f5e4Lennart Poettering return r;

1ddb263d21099ae42195c2bc382bdf72a7f24f82Lennart Poettering

ebd93cb684806ac0f352139e69ac8f53eb49f5e4Lennart Poettering r = sd_bus_message_read(reply, "u", &u);

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering if (r < 0)

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering return r;

1ddb263d21099ae42195c2bc382bdf72a7f24f82Lennart Poettering

ebd93cb684806ac0f352139e69ac8f53eb49f5e4Lennart Poettering pid = u;

ebd93cb684806ac0f352139e69ac8f53eb49f5e4Lennart Poettering if (mask & SD_BUS_CREDS_PID) {

ebd93cb684806ac0f352139e69ac8f53eb49f5e4Lennart Poettering c->pid = u;

ebd93cb684806ac0f352139e69ac8f53eb49f5e4Lennart Poettering c->mask |= SD_BUS_CREDS_PID;

ebd93cb684806ac0f352139e69ac8f53eb49f5e4Lennart Poettering }

ebd93cb684806ac0f352139e69ac8f53eb49f5e4Lennart Poettering

ebd93cb684806ac0f352139e69ac8f53eb49f5e4Lennart Poettering reply = sd_bus_message_unref(reply);

ebd93cb684806ac0f352139e69ac8f53eb49f5e4Lennart Poettering }

ebd93cb684806ac0f352139e69ac8f53eb49f5e4Lennart Poettering

ebd93cb684806ac0f352139e69ac8f53eb49f5e4Lennart Poettering if (mask & SD_BUS_CREDS_UID) {

ebd93cb684806ac0f352139e69ac8f53eb49f5e4Lennart Poettering uint32_t u;

ebd93cb684806ac0f352139e69ac8f53eb49f5e4Lennart Poettering

70244d1d25eb80b57e160ea004d0e6bf793d4cafLennart Poettering r = sd_bus_call_method(

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering bus,

ebd93cb684806ac0f352139e69ac8f53eb49f5e4Lennart Poettering "org.freedesktop.DBus",

ebd93cb684806ac0f352139e69ac8f53eb49f5e4Lennart Poettering "/org/freedesktop/DBus",

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering "org.freedesktop.DBus",

d6ce17c7f02ed3facdb45f65f546e587c2f00950Lennart Poettering "GetConnectionUnixUser",

d6ce17c7f02ed3facdb45f65f546e587c2f00950Lennart Poettering NULL,

d6ce17c7f02ed3facdb45f65f546e587c2f00950Lennart Poettering &reply,

d6ce17c7f02ed3facdb45f65f546e587c2f00950Lennart Poettering "s",

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering unique ? unique : name);

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering if (r < 0)

d6ce17c7f02ed3facdb45f65f546e587c2f00950Lennart Poettering return r;

d6ce17c7f02ed3facdb45f65f546e587c2f00950Lennart Poettering

d6ce17c7f02ed3facdb45f65f546e587c2f00950Lennart Poettering r = sd_bus_message_read(reply, "u", &u);

d6ce17c7f02ed3facdb45f65f546e587c2f00950Lennart Poettering if (r < 0)

d6ce17c7f02ed3facdb45f65f546e587c2f00950Lennart Poettering return r;

d6ce17c7f02ed3facdb45f65f546e587c2f00950Lennart Poettering

d6ce17c7f02ed3facdb45f65f546e587c2f00950Lennart Poettering c->uid = u;

d6ce17c7f02ed3facdb45f65f546e587c2f00950Lennart Poettering c->mask |= SD_BUS_CREDS_UID;

d6ce17c7f02ed3facdb45f65f546e587c2f00950Lennart Poettering

d6ce17c7f02ed3facdb45f65f546e587c2f00950Lennart Poettering reply = sd_bus_message_unref(reply);

d6ce17c7f02ed3facdb45f65f546e587c2f00950Lennart Poettering }

d6ce17c7f02ed3facdb45f65f546e587c2f00950Lennart Poettering

d6ce17c7f02ed3facdb45f65f546e587c2f00950Lennart Poettering if (mask & SD_BUS_CREDS_SELINUX_CONTEXT) {

d6ce17c7f02ed3facdb45f65f546e587c2f00950Lennart Poettering _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;

d6ce17c7f02ed3facdb45f65f546e587c2f00950Lennart Poettering const void *p = NULL;

d6ce17c7f02ed3facdb45f65f546e587c2f00950Lennart Poettering size_t sz = 0;

d6ce17c7f02ed3facdb45f65f546e587c2f00950Lennart Poettering

4cee5eede280b7fd48c18a1942616c4ac896a554Lennart Poettering r = sd_bus_call_method(

4cee5eede280b7fd48c18a1942616c4ac896a554Lennart Poettering bus,

4cee5eede280b7fd48c18a1942616c4ac896a554Lennart Poettering "org.freedesktop.DBus",

4cee5eede280b7fd48c18a1942616c4ac896a554Lennart Poettering "/org/freedesktop/DBus",

4cee5eede280b7fd48c18a1942616c4ac896a554Lennart Poettering "org.freedesktop.DBus",

26166c88e0b47b83972f32b5057ecbffe06bf904Lennart Poettering "GetConnectionSELinuxSecurityContext",

26166c88e0b47b83972f32b5057ecbffe06bf904Lennart Poettering &error,

26166c88e0b47b83972f32b5057ecbffe06bf904Lennart Poettering &reply,

26166c88e0b47b83972f32b5057ecbffe06bf904Lennart Poettering "s",

efe0286285a7432f738fafae840fa4eda51c2986Lennart Poettering unique ? unique : name);

efe0286285a7432f738fafae840fa4eda51c2986Lennart Poettering if (r < 0) {

d6ce17c7f02ed3facdb45f65f546e587c2f00950Lennart Poettering if (!sd_bus_error_has_name(&error, "org.freedesktop.DBus.Error.SELinuxSecurityContextUnknown"))

d6ce17c7f02ed3facdb45f65f546e587c2f00950Lennart Poettering return r;

d6ce17c7f02ed3facdb45f65f546e587c2f00950Lennart Poettering } else {

26166c88e0b47b83972f32b5057ecbffe06bf904Lennart Poettering r = sd_bus_message_read_array(reply, 'y', &p, &sz);

d6ce17c7f02ed3facdb45f65f546e587c2f00950Lennart Poettering if (r < 0)

d6ce17c7f02ed3facdb45f65f546e587c2f00950Lennart Poettering return r;

d6ce17c7f02ed3facdb45f65f546e587c2f00950Lennart Poettering

d6ce17c7f02ed3facdb45f65f546e587c2f00950Lennart Poettering c->label = strndup(p, sz);

d6ce17c7f02ed3facdb45f65f546e587c2f00950Lennart Poettering if (!c->label)

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering return -ENOMEM;

d6ce17c7f02ed3facdb45f65f546e587c2f00950Lennart Poettering

d6ce17c7f02ed3facdb45f65f546e587c2f00950Lennart Poettering c->mask |= SD_BUS_CREDS_SELINUX_CONTEXT;

d6ce17c7f02ed3facdb45f65f546e587c2f00950Lennart Poettering }

d6ce17c7f02ed3facdb45f65f546e587c2f00950Lennart Poettering }

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering r = bus_creds_add_more(c, mask, pid, 0);

d6ce17c7f02ed3facdb45f65f546e587c2f00950Lennart Poettering if (r < 0)

d6ce17c7f02ed3facdb45f65f546e587c2f00950Lennart Poettering return r;

d6ce17c7f02ed3facdb45f65f546e587c2f00950Lennart Poettering }

d6ce17c7f02ed3facdb45f65f546e587c2f00950Lennart Poettering

d6ce17c7f02ed3facdb45f65f546e587c2f00950Lennart Poettering if (creds) {

d6ce17c7f02ed3facdb45f65f546e587c2f00950Lennart Poettering *creds = c;

d6ce17c7f02ed3facdb45f65f546e587c2f00950Lennart Poettering c = NULL;

d6ce17c7f02ed3facdb45f65f546e587c2f00950Lennart Poettering }

d6ce17c7f02ed3facdb45f65f546e587c2f00950Lennart Poettering

d6ce17c7f02ed3facdb45f65f546e587c2f00950Lennart Poettering return 0;

d6ce17c7f02ed3facdb45f65f546e587c2f00950Lennart Poettering}

d6ce17c7f02ed3facdb45f65f546e587c2f00950Lennart Poettering

d6ce17c7f02ed3facdb45f65f546e587c2f00950Lennart Poettering_public_ int sd_bus_get_name_creds(

d6ce17c7f02ed3facdb45f65f546e587c2f00950Lennart Poettering sd_bus *bus,

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering const char *name,

d6ce17c7f02ed3facdb45f65f546e587c2f00950Lennart Poettering uint64_t mask,

d6ce17c7f02ed3facdb45f65f546e587c2f00950Lennart Poettering sd_bus_creds **creds) {

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering assert_return(bus, -EINVAL);

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering assert_return(name, -EINVAL);

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering assert_return((mask & ~SD_BUS_CREDS_AUGMENT) <= _SD_BUS_CREDS_ALL, -ENOTSUP);

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering assert_return(mask == 0 || creds, -EINVAL);

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering assert_return(!bus_pid_changed(bus), -ECHILD);

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering assert_return(service_name_is_valid(name), -EINVAL);

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering assert_return(bus->bus_client, -ENODATA);

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering if (!BUS_IS_OPEN(bus->state))

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering return -ENOTCONN;

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering if (bus->is_kernel)

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering return bus_get_name_creds_kdbus(bus, name, mask, false, creds);

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering else

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering return bus_get_name_creds_dbus1(bus, name, mask, creds);

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering}

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poetteringstatic int bus_get_owner_creds_kdbus(sd_bus *bus, uint64_t mask, sd_bus_creds **ret) {

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering _cleanup_bus_creds_unref_ sd_bus_creds *c = NULL;

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering struct kdbus_cmd_info cmd = {

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering .size = sizeof(struct kdbus_cmd_info)

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering };

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering struct kdbus_info *creator_info;

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering pid_t pid = 0;

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering int r;

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering c = bus_creds_new();

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering if (!c)

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering return -ENOMEM;

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering cmd.flags = attach_flags_to_kdbus(mask);

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering /* If augmentation is on, and the bus doesn't didn't allow us

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering if ((mask & SD_BUS_CREDS_AUGMENT) &&

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering (mask & (SD_BUS_CREDS_UID|SD_BUS_CREDS_EUID|SD_BUS_CREDS_SUID|SD_BUS_CREDS_FSUID|

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering SD_BUS_CREDS_GID|SD_BUS_CREDS_EGID|SD_BUS_CREDS_SGID|SD_BUS_CREDS_FSGID|

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering SD_BUS_CREDS_COMM|SD_BUS_CREDS_TID_COMM|SD_BUS_CREDS_EXE|SD_BUS_CREDS_CMDLINE|

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering SD_BUS_CREDS_CGROUP|SD_BUS_CREDS_UNIT|SD_BUS_CREDS_USER_UNIT|SD_BUS_CREDS_SLICE|SD_BUS_CREDS_SESSION|SD_BUS_CREDS_OWNER_UID|

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering SD_BUS_CREDS_EFFECTIVE_CAPS|SD_BUS_CREDS_PERMITTED_CAPS|SD_BUS_CREDS_INHERITABLE_CAPS|SD_BUS_CREDS_BOUNDING_CAPS|

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering SD_BUS_CREDS_SELINUX_CONTEXT|

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering SD_BUS_CREDS_AUDIT_SESSION_ID|SD_BUS_CREDS_AUDIT_LOGIN_UID)))

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering cmd.flags |= KDBUS_ATTACH_PIDS;

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering r = ioctl(bus->input_fd, KDBUS_CMD_BUS_CREATOR_INFO, &cmd);

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering if (r < 0)

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering return -errno;

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering creator_info = (struct kdbus_info *) ((uint8_t *) bus->kdbus_buffer + cmd.offset);

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering r = bus_populate_creds_from_items(bus, creator_info, mask, c);

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering bus_kernel_cmd_free(bus, cmd.offset);

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering if (r < 0)

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering return r;

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering r = bus_creds_add_more(c, mask, pid, 0);

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering if (r < 0)

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering return r;

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering *ret = c;

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering c = NULL;

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering return 0;

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering}

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poetteringstatic int bus_get_owner_creds_dbus1(sd_bus *bus, uint64_t mask, sd_bus_creds **ret) {

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering _cleanup_bus_creds_unref_ sd_bus_creds *c = NULL;

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering pid_t pid = 0;

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering int r;

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering if (!bus->ucred_valid && !isempty(bus->label))

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering return -ENODATA;

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering c = bus_creds_new();

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering if (!c)

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering return -ENOMEM;

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering if (bus->ucred_valid) {

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering if (bus->ucred.pid > 0) {

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering pid = c->pid = bus->ucred.pid;

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering c->mask |= SD_BUS_CREDS_PID & mask;

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering }

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering if (bus->ucred.uid != UID_INVALID) {

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering c->uid = bus->ucred.uid;

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering c->mask |= SD_BUS_CREDS_UID & mask;

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering }

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering if (bus->ucred.gid != GID_INVALID) {

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering c->gid = bus->ucred.gid;

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering c->mask |= SD_BUS_CREDS_GID & mask;

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering }

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering }

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering if (!isempty(bus->label) && (mask & SD_BUS_CREDS_SELINUX_CONTEXT)) {

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering c->label = strdup(bus->label);

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering if (!c->label)

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering return -ENOMEM;

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering c->mask |= SD_BUS_CREDS_SELINUX_CONTEXT;

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering }

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering r = bus_creds_add_more(c, mask, pid, 0);

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering if (r < 0)

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering return r;

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering *ret = c;

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering c = NULL;

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering return 0;

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering}

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering_public_ int sd_bus_get_owner_creds(sd_bus *bus, uint64_t mask, sd_bus_creds **ret) {

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering assert_return(bus, -EINVAL);

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering assert_return((mask & ~SD_BUS_CREDS_AUGMENT) <= _SD_BUS_CREDS_ALL, -ENOTSUP);

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering assert_return(ret, -EINVAL);

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering assert_return(!bus_pid_changed(bus), -ECHILD);

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering if (!BUS_IS_OPEN(bus->state))

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering return -ENOTCONN;

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering if (bus->is_kernel)

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering return bus_get_owner_creds_kdbus(bus, mask, ret);

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering else

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering return bus_get_owner_creds_dbus1(bus, mask, ret);

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering}

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poetteringstatic int add_name_change_match(sd_bus *bus,

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering uint64_t cookie,

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering const char *name,

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering const char *old_owner,

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering const char *new_owner) {

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering uint64_t name_id = KDBUS_MATCH_ID_ANY, old_owner_id = 0, new_owner_id = 0;

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering int is_name_id = -1, r;

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering struct kdbus_item *item;

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering assert(bus);

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering /* If we encounter a match that could match against

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering if (name) {

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering is_name_id = bus_kernel_parse_unique_name(name, &name_id);

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering if (is_name_id < 0)

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering return 0;

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering }

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering if (!isempty(old_owner)) {

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering r = bus_kernel_parse_unique_name(old_owner, &old_owner_id);

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering if (r < 0)

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering return 0;

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering if (r == 0)

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering return 0;

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering if (is_name_id > 0 && old_owner_id != name_id)

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering return 0;

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering } else

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering old_owner_id = KDBUS_MATCH_ID_ANY;

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering if (!isempty(new_owner)) {

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering r = bus_kernel_parse_unique_name(new_owner, &new_owner_id);

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering if (r < 0)

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering return r;

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering if (r == 0)

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering return 0;

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering if (is_name_id > 0 && new_owner_id != name_id)

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering return 0;

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering } else

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering new_owner_id = KDBUS_MATCH_ID_ANY;

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering if (is_name_id <= 0) {

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering struct kdbus_cmd_match *m;

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering size_t sz, l;

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering /* If the name argument is missing or is a well-known

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering l = name ? strlen(name) + 1 : 0;

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering sz = ALIGN8(offsetof(struct kdbus_cmd_match, items) +

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering offsetof(struct kdbus_item, name_change) +

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering offsetof(struct kdbus_notify_name_change, name) +

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering l);

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering m = alloca0_align(sz, 8);

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering m->size = sz;

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering m->cookie = cookie;

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering item = m->items;

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering item->size =

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering offsetof(struct kdbus_item, name_change) +

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering offsetof(struct kdbus_notify_name_change, name) +

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering l;

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering item->name_change.old_id.id = old_owner_id;

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering item->name_change.new_id.id = new_owner_id;

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering if (name)

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering memcpy(item->name_change.name, name, l);

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering /* If the old name is unset or empty, then

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering if (!old_owner || old_owner[0] == 0) {

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering item->type = KDBUS_ITEM_NAME_ADD;

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering r = ioctl(bus->input_fd, KDBUS_CMD_MATCH_ADD, m);

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering if (r < 0)

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering return -errno;

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering }

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering

160e3793adf2da2bd9ae3fe6b8881bb937e6e71bLennart Poettering /* If the new name is unset or empty, then

c2ce6a3d82b717c4c1e6245ad8c6ce1173f502d0Lennart Poettering if (!new_owner || new_owner[0] == 0) {

adacb9575a09981fcf11279f2f661e3fc21e58ffLennart Poettering item->type = KDBUS_ITEM_NAME_REMOVE;

adacb9575a09981fcf11279f2f661e3fc21e58ffLennart Poettering

b6b1849830f5e4a6065c3b0c993668e500c954d3Lennart Poettering r = ioctl(bus->input_fd, KDBUS_CMD_MATCH_ADD, m);

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering if (r < 0)

9b5ed6feda08290edce3bf916fa7362733dd30eaLennart Poettering return -errno;

8d07a7c47159ebc2bcc775e2c1997cb44bd1ac95Lennart Poettering }

9b5ed6feda08290edce3bf916fa7362733dd30eaLennart Poettering

70244d1d25eb80b57e160ea004d0e6bf793d4cafLennart Poettering /* The CHANGE match we need in either case, because

49af9e1368571f4e423cde0fd45ee284451434d1Lennart Poettering item->type = KDBUS_ITEM_NAME_CHANGE;

70244d1d25eb80b57e160ea004d0e6bf793d4cafLennart Poettering r = ioctl(bus->input_fd, KDBUS_CMD_MATCH_ADD, m);

70244d1d25eb80b57e160ea004d0e6bf793d4cafLennart Poettering if (r < 0)

70244d1d25eb80b57e160ea004d0e6bf793d4cafLennart Poettering return -errno;

70244d1d25eb80b57e160ea004d0e6bf793d4cafLennart Poettering }

70244d1d25eb80b57e160ea004d0e6bf793d4cafLennart Poettering

70244d1d25eb80b57e160ea004d0e6bf793d4cafLennart Poettering if (is_name_id != 0) {

70244d1d25eb80b57e160ea004d0e6bf793d4cafLennart Poettering struct kdbus_cmd_match *m;

d6ce17c7f02ed3facdb45f65f546e587c2f00950Lennart Poettering uint64_t sz;

d6ce17c7f02ed3facdb45f65f546e587c2f00950Lennart Poettering

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering /* If the name argument is missing or is a unique

c01ff965b48bb9693dcd77cbc748b5d8676766b0Lennart Poettering

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering sz = ALIGN8(offsetof(struct kdbus_cmd_match, items) +

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering offsetof(struct kdbus_item, id_change) +

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering sizeof(struct kdbus_notify_id_change));

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering m = alloca0_align(sz, 8);

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering m->size = sz;

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering m->cookie = cookie;

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering item = m->items;

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering item->size =

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering offsetof(struct kdbus_item, id_change) +

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering sizeof(struct kdbus_notify_id_change);

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering item->id_change.id = name_id;

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering /* If the old name is unset or empty, then this can

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering if (!old_owner || old_owner[0] == 0) {

ebcf1f97de4f6b1580ae55eb56b1a3939fe6b602Lennart Poettering item->type = KDBUS_ITEM_ID_ADD;

65d73cf042ba7de11d254f5c4714f467db64b7c3Lennart Poettering

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering r = ioctl(bus->input_fd, KDBUS_CMD_MATCH_ADD, m);

6797c324a653f119a3d7133122648aaa4878ddd6Lennart Poettering if (r < 0)

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering return -errno;

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering }

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering

6797c324a653f119a3d7133122648aaa4878ddd6Lennart Poettering /* If thew new name is unset or empty, then this can

491ac9f2c4aeda8c40edde35112404b737e38b60Lennart Poettering if (!new_owner || new_owner[0] == 0) {

6797c324a653f119a3d7133122648aaa4878ddd6Lennart Poettering item->type = KDBUS_ITEM_ID_REMOVE;

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering r = ioctl(bus->input_fd, KDBUS_CMD_MATCH_ADD, m);

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering if (r < 0)

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering return -errno;

ebcf1f97de4f6b1580ae55eb56b1a3939fe6b602Lennart Poettering }

6797c324a653f119a3d7133122648aaa4878ddd6Lennart Poettering }

ebcf1f97de4f6b1580ae55eb56b1a3939fe6b602Lennart Poettering

6797c324a653f119a3d7133122648aaa4878ddd6Lennart Poettering return 0;

ebcf1f97de4f6b1580ae55eb56b1a3939fe6b602Lennart Poettering}

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering

49f3fffd94591bdf2bd6c2233a9300daeab79566Lennart Poetteringint bus_add_match_internal_kernel(

49f3fffd94591bdf2bd6c2233a9300daeab79566Lennart Poettering sd_bus *bus,

49f3fffd94591bdf2bd6c2233a9300daeab79566Lennart Poettering struct bus_match_component *components,

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering unsigned n_components,

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering uint64_t cookie) {

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering struct kdbus_cmd_match *m;

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering struct kdbus_item *item;

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering uint64_t *bloom;

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering size_t sz;

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering const char *sender = NULL;

49f3fffd94591bdf2bd6c2233a9300daeab79566Lennart Poettering size_t sender_length = 0;

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering uint64_t src_id = KDBUS_MATCH_ID_ANY;

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering bool using_bloom = false;

ebcf1f97de4f6b1580ae55eb56b1a3939fe6b602Lennart Poettering unsigned i;

554604b3073467af75dc94fac9e2343148603289Lennart Poettering bool matches_name_change = true;

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering const char *name_change_arg[3] = {};

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering int r;

554604b3073467af75dc94fac9e2343148603289Lennart Poettering

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering assert(bus);

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering

554604b3073467af75dc94fac9e2343148603289Lennart Poettering bloom = alloca0(bus->bloom_size);

554604b3073467af75dc94fac9e2343148603289Lennart Poettering

ebcf1f97de4f6b1580ae55eb56b1a3939fe6b602Lennart Poettering sz = ALIGN8(offsetof(struct kdbus_cmd_match, items));

e5f5b5b9c92d59ef3cb5169982cb6f436c9206faLennart Poettering

e5f5b5b9c92d59ef3cb5169982cb6f436c9206faLennart Poettering for (i = 0; i < n_components; i++) {

9b420b3cfb8b93daf50e4cdbc92b05f2209ef893Lennart Poettering struct bus_match_component *c = &components[i];

9b420b3cfb8b93daf50e4cdbc92b05f2209ef893Lennart Poettering

9b420b3cfb8b93daf50e4cdbc92b05f2209ef893Lennart Poettering switch (c->type) {

9b420b3cfb8b93daf50e4cdbc92b05f2209ef893Lennart Poettering

554604b3073467af75dc94fac9e2343148603289Lennart Poettering case BUS_MATCH_SENDER:

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering if (!streq(c->value_str, "org.freedesktop.DBus"))

9b420b3cfb8b93daf50e4cdbc92b05f2209ef893Lennart Poettering matches_name_change = false;

9b420b3cfb8b93daf50e4cdbc92b05f2209ef893Lennart Poettering

9b420b3cfb8b93daf50e4cdbc92b05f2209ef893Lennart Poettering r = bus_kernel_parse_unique_name(c->value_str, &src_id);

9b420b3cfb8b93daf50e4cdbc92b05f2209ef893Lennart Poettering if (r < 0)

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering return r;

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering else if (r > 0)

554604b3073467af75dc94fac9e2343148603289Lennart Poettering sz += ALIGN8(offsetof(struct kdbus_item, id) + sizeof(uint64_t));

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering else {

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering sender = c->value_str;

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering sender_length = strlen(sender);

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering sz += ALIGN8(offsetof(struct kdbus_item, str) + sender_length + 1);

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering }

554604b3073467af75dc94fac9e2343148603289Lennart Poettering

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering break;

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering

554604b3073467af75dc94fac9e2343148603289Lennart Poettering case BUS_MATCH_MESSAGE_TYPE:

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering if (c->value_u8 != SD_BUS_MESSAGE_SIGNAL)

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering matches_name_change = false;

ebcf1f97de4f6b1580ae55eb56b1a3939fe6b602Lennart Poettering

9b420b3cfb8b93daf50e4cdbc92b05f2209ef893Lennart Poettering bloom_add_pair(bloom, bus->bloom_size, bus->bloom_n_hash, "message-type", bus_message_type_to_string(c->value_u8));

554604b3073467af75dc94fac9e2343148603289Lennart Poettering using_bloom = true;

554604b3073467af75dc94fac9e2343148603289Lennart Poettering break;

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering

9b420b3cfb8b93daf50e4cdbc92b05f2209ef893Lennart Poettering case BUS_MATCH_INTERFACE:

9b420b3cfb8b93daf50e4cdbc92b05f2209ef893Lennart Poettering if (!streq(c->value_str, "org.freedesktop.DBus"))

9b420b3cfb8b93daf50e4cdbc92b05f2209ef893Lennart Poettering matches_name_change = false;

9b420b3cfb8b93daf50e4cdbc92b05f2209ef893Lennart Poettering

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering bloom_add_pair(bloom, bus->bloom_size, bus->bloom_n_hash, "interface", c->value_str);

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering using_bloom = true;

554604b3073467af75dc94fac9e2343148603289Lennart Poettering break;

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering case BUS_MATCH_MEMBER:

a658cafa98ab55ea948c29bc87eb3945d515fb41Lennart Poettering if (!streq(c->value_str, "NameOwnerChanged"))

a658cafa98ab55ea948c29bc87eb3945d515fb41Lennart Poettering matches_name_change = false;

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering

554604b3073467af75dc94fac9e2343148603289Lennart Poettering bloom_add_pair(bloom, bus->bloom_size, bus->bloom_n_hash, "member", c->value_str);

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering using_bloom = true;

190700621f95160d364f8ec1d3e360246c41ce75Lennart Poettering break;

554604b3073467af75dc94fac9e2343148603289Lennart Poettering

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering case BUS_MATCH_PATH:

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering if (!streq(c->value_str, "/org/freedesktop/DBus"))

ebcf1f97de4f6b1580ae55eb56b1a3939fe6b602Lennart Poettering matches_name_change = false;

65d73cf042ba7de11d254f5c4714f467db64b7c3Lennart Poettering

554604b3073467af75dc94fac9e2343148603289Lennart Poettering bloom_add_pair(bloom, bus->bloom_size, bus->bloom_n_hash, "path", c->value_str);

a658cafa98ab55ea948c29bc87eb3945d515fb41Lennart Poettering using_bloom = true;

a658cafa98ab55ea948c29bc87eb3945d515fb41Lennart Poettering break;

554604b3073467af75dc94fac9e2343148603289Lennart Poettering

a658cafa98ab55ea948c29bc87eb3945d515fb41Lennart Poettering case BUS_MATCH_PATH_NAMESPACE:

a658cafa98ab55ea948c29bc87eb3945d515fb41Lennart Poettering if (!streq(c->value_str, "/")) {

554604b3073467af75dc94fac9e2343148603289Lennart Poettering bloom_add_pair(bloom, bus->bloom_size, bus->bloom_n_hash, "path-slash-prefix", c->value_str);

a658cafa98ab55ea948c29bc87eb3945d515fb41Lennart Poettering using_bloom = true;

a658cafa98ab55ea948c29bc87eb3945d515fb41Lennart Poettering }

554604b3073467af75dc94fac9e2343148603289Lennart Poettering break;

554604b3073467af75dc94fac9e2343148603289Lennart Poettering

554604b3073467af75dc94fac9e2343148603289Lennart Poettering case BUS_MATCH_ARG...BUS_MATCH_ARG_LAST: {

554604b3073467af75dc94fac9e2343148603289Lennart Poettering char buf[sizeof("arg")-1 + 2 + 1];

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering if (c->type - BUS_MATCH_ARG < 3)

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering name_change_arg[c->type - BUS_MATCH_ARG] = c->value_str;

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering snprintf(buf, sizeof(buf), "arg%u", c->type - BUS_MATCH_ARG);

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering bloom_add_pair(bloom, bus->bloom_size, bus->bloom_n_hash, buf, c->value_str);

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering using_bloom = true;

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering break;

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering }

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering case BUS_MATCH_ARG_PATH...BUS_MATCH_ARG_PATH_LAST: {

554604b3073467af75dc94fac9e2343148603289Lennart Poettering char buf[sizeof("arg")-1 + 2 + sizeof("-slash-prefix")];

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering snprintf(buf, sizeof(buf), "arg%u-slash-prefix", c->type - BUS_MATCH_ARG_PATH);

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering bloom_add_pair(bloom, bus->bloom_size, bus->bloom_n_hash, buf, c->value_str);

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering using_bloom = true;

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering break;

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering }

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering

151b9b9662a90455262ce575a8a8ae74bf4ff336Lennart Poettering case BUS_MATCH_ARG_NAMESPACE...BUS_MATCH_ARG_NAMESPACE_LAST: {

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering char buf[sizeof("arg")-1 + 2 + sizeof("-dot-prefix")];

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering snprintf(buf, sizeof(buf), "arg%u-dot-prefix", c->type - BUS_MATCH_ARG_NAMESPACE);

151b9b9662a90455262ce575a8a8ae74bf4ff336Lennart Poettering bloom_add_pair(bloom, bus->bloom_size, bus->bloom_n_hash, buf, c->value_str);

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering using_bloom = true;

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering break;

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering }

a658cafa98ab55ea948c29bc87eb3945d515fb41Lennart Poettering

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering case BUS_MATCH_DESTINATION:

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering /* The bloom filter does not include

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering break;

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering case BUS_MATCH_ROOT:

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering case BUS_MATCH_VALUE:

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering case BUS_MATCH_LEAF:

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering case _BUS_MATCH_NODE_TYPE_MAX:

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering case _BUS_MATCH_NODE_TYPE_INVALID:

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering assert_not_reached("Invalid match type?");

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering }

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering }

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering if (using_bloom)

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering sz += ALIGN8(offsetof(struct kdbus_item, data64) + bus->bloom_size);

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering m = alloca0_align(sz, 8);

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering m->size = sz;

554604b3073467af75dc94fac9e2343148603289Lennart Poettering m->cookie = cookie;

a931ad47a8623163a29d898224d8a8c1177ffdafLennart Poettering

a931ad47a8623163a29d898224d8a8c1177ffdafLennart Poettering item = m->items;

a931ad47a8623163a29d898224d8a8c1177ffdafLennart Poettering

a931ad47a8623163a29d898224d8a8c1177ffdafLennart Poettering if (src_id != KDBUS_MATCH_ID_ANY) {

554604b3073467af75dc94fac9e2343148603289Lennart Poettering item->size = offsetof(struct kdbus_item, id) + sizeof(uint64_t);

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering item->type = KDBUS_ITEM_ID;

554604b3073467af75dc94fac9e2343148603289Lennart Poettering item->id = src_id;

554604b3073467af75dc94fac9e2343148603289Lennart Poettering item = KDBUS_ITEM_NEXT(item);

554604b3073467af75dc94fac9e2343148603289Lennart Poettering }

554604b3073467af75dc94fac9e2343148603289Lennart Poettering

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering if (using_bloom) {

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering item->size = offsetof(struct kdbus_item, data64) + bus->bloom_size;

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering item->type = KDBUS_ITEM_BLOOM_MASK;

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering memcpy(item->data64, bloom, bus->bloom_size);

86b8d289717bad2800342efca0a5023aa8374e9cLennart Poettering item = KDBUS_ITEM_NEXT(item);

86b8d289717bad2800342efca0a5023aa8374e9cLennart Poettering }

86b8d289717bad2800342efca0a5023aa8374e9cLennart Poettering

86b8d289717bad2800342efca0a5023aa8374e9cLennart Poettering if (sender) {

c49b30a23583ff39daaa26696bcab478d2fee0bbLennart Poettering item->size = offsetof(struct kdbus_item, str) + sender_length + 1;

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering item->type = KDBUS_ITEM_NAME;

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering memcpy(item->str, sender, sender_length + 1);

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering }

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering r = ioctl(bus->input_fd, KDBUS_CMD_MATCH_ADD, m);

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering if (r < 0)

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering return -errno;

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering if (matches_name_change) {

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering /* If this match could theoretically match

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering r = add_name_change_match(bus, cookie, name_change_arg[0], name_change_arg[1], name_change_arg[2]);

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering if (r < 0)

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering return r;

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering }

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering return 0;

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering}

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poettering

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering#define internal_match(bus, m) \

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering ((bus)->hello_flags & KDBUS_HELLO_MONITOR \

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering ? (isempty(m) ? "eavesdrop='true'" : strappenda((m), ",eavesdrop='true'")) \

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering : (m))

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering

c335068380fe8c9d843cdb2cf8a00f822cfabed3Lennart Poetteringstatic int bus_add_match_internal_dbus1(

1ee306e1248866617c96ed9f4263f375588ad838Lennart Poettering sd_bus *bus,