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#include <stdio.h>
#include <string.h>
#include <fcntl.h>
#include <stdlib.h>
#include <stddef.h>
#include <unistd.h>
#include <stdint.h>
#include <errno.h>
#include <assert.h>
#include <limits.h>
#include <sys/mman.h>
#include <stdbool.h>
#include "kdbus-api.h"
#include "kdbus-util.h"
#include "kdbus-enum.h"
#include "kdbus-test.h"
static struct kdbus_item *kdbus_get_item(struct kdbus_info *info,
uint64_t type)
{
struct kdbus_item *item;
KDBUS_ITEM_FOREACH(item, info, items)
if (item->type == type)
return item;
return NULL;
}
static int test_bus_creator_info(const char *bus_path)
{
int ret;
uint64_t offset;
struct kdbus_conn *conn;
struct kdbus_info *info;
struct kdbus_item *item;
char *tmp, *busname;
/* extract the bus-name from @bus_path */
tmp = strdup(bus_path);
ASSERT_RETURN(tmp);
busname = strrchr(tmp, '/');
ASSERT_RETURN(busname);
*busname = 0;
busname = strrchr(tmp, '/');
ASSERT_RETURN(busname);
++busname;
conn = kdbus_hello(bus_path, 0, NULL, 0);
ASSERT_RETURN(conn);
ret = kdbus_bus_creator_info(conn, _KDBUS_ATTACH_ALL, &offset);
ASSERT_RETURN(ret == 0);
info = (struct kdbus_info *)(conn->buf + offset);
item = kdbus_get_item(info, KDBUS_ITEM_MAKE_NAME);
ASSERT_RETURN(item);
ASSERT_RETURN(!strcmp(item->str, busname));
ret = kdbus_free(conn, offset);
ASSERT_RETURN_VAL(ret == 0, ret);
free(tmp);
kdbus_conn_free(conn);
return 0;
}
int kdbus_test_bus_make(struct kdbus_test_env *env)
{
struct {
struct kdbus_cmd cmd;
/* bloom size item */
struct {
uint64_t size;
uint64_t type;
struct kdbus_bloom_parameter bloom;
} bs;
/* name item */
uint64_t n_size;
uint64_t n_type;
char name[64];
} bus_make;
char s[PATH_MAX], *name;
int ret, control_fd2;
uid_t uid;
name = unique_name("");
ASSERT_RETURN(name);
snprintf(s, sizeof(s), "%s/control", env->root);
env->control_fd = open(s, O_RDWR|O_CLOEXEC);
ASSERT_RETURN(env->control_fd >= 0);
control_fd2 = open(s, O_RDWR|O_CLOEXEC);
ASSERT_RETURN(control_fd2 >= 0);
memset(&bus_make, 0, sizeof(bus_make));
bus_make.bs.size = sizeof(bus_make.bs);
bus_make.bs.type = KDBUS_ITEM_BLOOM_PARAMETER;
bus_make.bs.bloom.size = 64;
bus_make.bs.bloom.n_hash = 1;
bus_make.n_type = KDBUS_ITEM_MAKE_NAME;
uid = getuid();
/* missing uid prefix */
snprintf(bus_make.name, sizeof(bus_make.name), "foo");
bus_make.n_size = KDBUS_ITEM_HEADER_SIZE + strlen(bus_make.name) + 1;
bus_make.cmd.size = sizeof(struct kdbus_cmd) +
sizeof(bus_make.bs) + bus_make.n_size;
ret = kdbus_cmd_bus_make(env->control_fd, &bus_make.cmd);
ASSERT_RETURN(ret == -EINVAL);
/* non alphanumeric character */
snprintf(bus_make.name, sizeof(bus_make.name), "%u-blah@123", uid);
bus_make.n_size = KDBUS_ITEM_HEADER_SIZE + strlen(bus_make.name) + 1;
bus_make.cmd.size = sizeof(struct kdbus_cmd) +
sizeof(bus_make.bs) + bus_make.n_size;
ret = kdbus_cmd_bus_make(env->control_fd, &bus_make.cmd);
ASSERT_RETURN(ret == -EINVAL);
/* '-' at the end */
snprintf(bus_make.name, sizeof(bus_make.name), "%u-blah-", uid);
bus_make.n_size = KDBUS_ITEM_HEADER_SIZE + strlen(bus_make.name) + 1;
bus_make.cmd.size = sizeof(struct kdbus_cmd) +
sizeof(bus_make.bs) + bus_make.n_size;
ret = kdbus_cmd_bus_make(env->control_fd, &bus_make.cmd);
ASSERT_RETURN(ret == -EINVAL);
/* create a new bus */
snprintf(bus_make.name, sizeof(bus_make.name), "%u-%s-1", uid, name);
bus_make.n_size = KDBUS_ITEM_HEADER_SIZE + strlen(bus_make.name) + 1;
bus_make.cmd.size = sizeof(struct kdbus_cmd) +
sizeof(bus_make.bs) + bus_make.n_size;
ret = kdbus_cmd_bus_make(env->control_fd, &bus_make.cmd);
ASSERT_RETURN(ret == 0);
ret = kdbus_cmd_bus_make(control_fd2, &bus_make.cmd);
ASSERT_RETURN(ret == -EEXIST);
snprintf(s, sizeof(s), "%s/%u-%s-1/bus", env->root, uid, name);
ASSERT_RETURN(access(s, F_OK) == 0);
ret = test_bus_creator_info(s);
ASSERT_RETURN(ret == 0);
/* can't use the same fd for bus make twice, even though a different
* bus name is used
*/
snprintf(bus_make.name, sizeof(bus_make.name), "%u-%s-2", uid, name);
bus_make.n_size = KDBUS_ITEM_HEADER_SIZE + strlen(bus_make.name) + 1;
bus_make.cmd.size = sizeof(struct kdbus_cmd) +
sizeof(bus_make.bs) + bus_make.n_size;
ret = kdbus_cmd_bus_make(env->control_fd, &bus_make.cmd);
ASSERT_RETURN(ret == -EBADFD);
/* create a new bus, with different fd and different bus name */
snprintf(bus_make.name, sizeof(bus_make.name), "%u-%s-2", uid, name);
bus_make.n_size = KDBUS_ITEM_HEADER_SIZE + strlen(bus_make.name) + 1;
bus_make.cmd.size = sizeof(struct kdbus_cmd) +
sizeof(bus_make.bs) + bus_make.n_size;
ret = kdbus_cmd_bus_make(control_fd2, &bus_make.cmd);
ASSERT_RETURN(ret == 0);
close(control_fd2);
free(name);
return TEST_OK;
}
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