diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/Makefile.am | 41 | ||||
| -rw-r--r-- | test/test-libudev.c | 520 | ||||
| -rw-r--r-- | test/test-udev.c | 180 |
3 files changed, 740 insertions, 1 deletions
diff --git a/test/Makefile.am b/test/Makefile.am index ab3b68e4a6..954b93bcfb 100644 --- a/test/Makefile.am +++ b/test/Makefile.am @@ -1,5 +1,44 @@ ACLOCAL_AMFLAGS = -I m4 ${ACLOCAL_FLAGS} + +AM_CPPFLAGS = \ + -DVERSION=\"@VERSION@\" \ + -I $(top_srcdir)/src/libudev \ + -I $(top_srcdir)/src/udev + +noinst_PROGRAMS = \ + test-libudev \ + test-udev + +test_libudev_SOURCES = \ + test-libudev.c + +test_libudev_LDADD = \ + $(top_builddir)/src/libudev/libudev-private.la \ + $(top_builddir)/src/udev/libudev-core.la + +test_libudev_CPPFLAGS = \ + -I $(top_srcdir)/src/libudev \ + $(AM_CPPFLAGS) + +test_udev_SOURCES = \ + test-udev.c + +test_udev_LDADD = \ + $(top_builddir)/src/libudev/libudev-private.la \ + $(top_builddir)/src/udev/libudev-core.la \ + $(BLKID_LIBS) \ + $(SELINUX_LIBS) + +if HAVE_LIBKMOD +test_udev_LDADD += $(KMOD_LIBS) +endif + +test_udev_CPPFLAGS = \ + -I $(top_srcdir)/src/udev \ + $(AM_CPPFLAGS) + + TESTS = \ udev-test.pl \ rules-test.sh @@ -9,7 +48,7 @@ check_DATA = \ test/sys: $(AM_V_at)$(MKDIR_P) $(dir $@) - $(AM_V_GEN)tar -C $(top_builddir)/test/ -xJf $(top_srcdir)/test/sys.tar.xz + $(AM_V_GEN)tar -C $(top_builddir)/test/test -xJf $(top_srcdir)/test/sys.tar.xz test-sys-distclean: -rm -rf $(top_builddir)/test/sys diff --git a/test/test-libudev.c b/test/test-libudev.c new file mode 100644 index 0000000000..caa3b4d14c --- /dev/null +++ b/test/test-libudev.c @@ -0,0 +1,520 @@ +/*** + This file is part of systemd. + + Copyright 2008-2012 Kay Sievers <kay@vrfy.org> + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. +***/ + +#include <stdio.h> +#include <stdarg.h> +#include <stdlib.h> +#include <unistd.h> +#include <errno.h> +#include <string.h> +#include <getopt.h> +#include <syslog.h> +#include <fcntl.h> +#include <sys/epoll.h> + +#include "libudev.h" +#include "util.h" + +#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) + +static void log_fn(struct udev *udev, + int priority, const char *file, int line, const char *fn, + const char *format, va_list args) +{ + printf("test-libudev: %s %s:%d ", fn, file, line); + vprintf(format, args); +} + +static void print_device(struct udev_device *device) +{ + const char *str; + dev_t devnum; + int count; + struct udev_list_entry *list_entry; + + printf("*** device: %p ***\n", device); + str = udev_device_get_action(device); + if (str != NULL) + printf("action: '%s'\n", str); + + str = udev_device_get_syspath(device); + printf("syspath: '%s'\n", str); + + str = udev_device_get_sysname(device); + printf("sysname: '%s'\n", str); + + str = udev_device_get_sysnum(device); + if (str != NULL) + printf("sysnum: '%s'\n", str); + + str = udev_device_get_devpath(device); + printf("devpath: '%s'\n", str); + + str = udev_device_get_subsystem(device); + if (str != NULL) + printf("subsystem: '%s'\n", str); + + str = udev_device_get_devtype(device); + if (str != NULL) + printf("devtype: '%s'\n", str); + + str = udev_device_get_driver(device); + if (str != NULL) + printf("driver: '%s'\n", str); + + str = udev_device_get_devnode(device); + if (str != NULL) + printf("devname: '%s'\n", str); + + devnum = udev_device_get_devnum(device); + if (major(devnum) > 0) + printf("devnum: %u:%u\n", major(devnum), minor(devnum)); + + count = 0; + udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(device)) { + printf("link: '%s'\n", udev_list_entry_get_name(list_entry)); + count++; + } + if (count > 0) + printf("found %i links\n", count); + + count = 0; + udev_list_entry_foreach(list_entry, udev_device_get_properties_list_entry(device)) { + printf("property: '%s=%s'\n", + udev_list_entry_get_name(list_entry), + udev_list_entry_get_value(list_entry)); + count++; + } + if (count > 0) + printf("found %i properties\n", count); + + str = udev_device_get_property_value(device, "MAJOR"); + if (str != NULL) + printf("MAJOR: '%s'\n", str); + + str = udev_device_get_sysattr_value(device, "dev"); + if (str != NULL) + printf("attr{dev}: '%s'\n", str); + + printf("\n"); +} + +static int test_device(struct udev *udev, const char *syspath) +{ + struct udev_device *device; + + printf("looking at device: %s\n", syspath); + device = udev_device_new_from_syspath(udev, syspath); + if (device == NULL) { + printf("no device found\n"); + return -1; + } + print_device(device); + udev_device_unref(device); + return 0; +} + +static int test_device_parents(struct udev *udev, const char *syspath) +{ + struct udev_device *device; + struct udev_device *device_parent; + + printf("looking at device: %s\n", syspath); + device = udev_device_new_from_syspath(udev, syspath); + if (device == NULL) + return -1; + + printf("looking at parents\n"); + device_parent = device; + do { + print_device(device_parent); + device_parent = udev_device_get_parent(device_parent); + } while (device_parent != NULL); + + printf("looking at parents again\n"); + device_parent = device; + do { + print_device(device_parent); + device_parent = udev_device_get_parent(device_parent); + } while (device_parent != NULL); + udev_device_unref(device); + + return 0; +} + +static int test_device_devnum(struct udev *udev) +{ + dev_t devnum = makedev(1, 3); + struct udev_device *device; + + printf("looking up device: %u:%u\n", major(devnum), minor(devnum)); + device = udev_device_new_from_devnum(udev, 'c', devnum); + if (device == NULL) + return -1; + print_device(device); + udev_device_unref(device); + return 0; +} + +static int test_device_subsys_name(struct udev *udev) +{ + struct udev_device *device; + + printf("looking up device: 'block':'sda'\n"); + device = udev_device_new_from_subsystem_sysname(udev, "block", "sda"); + if (device == NULL) + return -1; + print_device(device); + udev_device_unref(device); + + printf("looking up device: 'subsystem':'pci'\n"); + device = udev_device_new_from_subsystem_sysname(udev, "subsystem", "pci"); + if (device == NULL) + return -1; + print_device(device); + udev_device_unref(device); + + printf("looking up device: 'drivers':'scsi:sd'\n"); + device = udev_device_new_from_subsystem_sysname(udev, "drivers", "scsi:sd"); + if (device == NULL) + return -1; + print_device(device); + udev_device_unref(device); + + printf("looking up device: 'module':'printk'\n"); + device = udev_device_new_from_subsystem_sysname(udev, "module", "printk"); + if (device == NULL) + return -1; + print_device(device); + udev_device_unref(device); + return 0; +} + +static int test_enumerate_print_list(struct udev_enumerate *enumerate) +{ + struct udev_list_entry *list_entry; + int count = 0; + + udev_list_entry_foreach(list_entry, udev_enumerate_get_list_entry(enumerate)) { + struct udev_device *device; + + device = udev_device_new_from_syspath(udev_enumerate_get_udev(enumerate), + udev_list_entry_get_name(list_entry)); + if (device != NULL) { + printf("device: '%s' (%s)\n", + udev_device_get_syspath(device), + udev_device_get_subsystem(device)); + udev_device_unref(device); + count++; + } + } + printf("found %i devices\n\n", count); + return count; +} + +static int test_monitor(struct udev *udev) +{ + struct udev_monitor *udev_monitor = NULL; + int fd_ep; + int fd_udev = -1; + struct epoll_event ep_udev, ep_stdin; + + fd_ep = epoll_create1(EPOLL_CLOEXEC); + if (fd_ep < 0) { + printf("error creating epoll fd: %m\n"); + goto out; + } + + udev_monitor = udev_monitor_new_from_netlink(udev, "udev"); + if (udev_monitor == NULL) { + printf("no socket\n"); + goto out; + } + fd_udev = udev_monitor_get_fd(udev_monitor); + + if (udev_monitor_filter_add_match_subsystem_devtype(udev_monitor, "block", NULL) < 0 || + udev_monitor_filter_add_match_subsystem_devtype(udev_monitor, "tty", NULL) < 0 || + udev_monitor_filter_add_match_subsystem_devtype(udev_monitor, "usb", "usb_device") < 0) { + printf("filter failed\n"); + goto out; + } + + if (udev_monitor_enable_receiving(udev_monitor) < 0) { + printf("bind failed\n"); + goto out; + } + + memset(&ep_udev, 0, sizeof(struct epoll_event)); + ep_udev.events = EPOLLIN; + ep_udev.data.fd = fd_udev; + if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_udev, &ep_udev) < 0) { + printf("fail to add fd to epoll: %m\n"); + goto out; + } + + memset(&ep_stdin, 0, sizeof(struct epoll_event)); + ep_stdin.events = EPOLLIN; + ep_stdin.data.fd = STDIN_FILENO; + if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, STDIN_FILENO, &ep_stdin) < 0) { + printf("fail to add fd to epoll: %m\n"); + goto out; + } + + for (;;) { + int fdcount; + struct epoll_event ev[4]; + struct udev_device *device; + int i; + + printf("waiting for events from udev, press ENTER to exit\n"); + fdcount = epoll_wait(fd_ep, ev, ARRAY_SIZE(ev), -1); + printf("epoll fd count: %i\n", fdcount); + + for (i = 0; i < fdcount; i++) { + if (ev[i].data.fd == fd_udev && ev[i].events & EPOLLIN) { + device = udev_monitor_receive_device(udev_monitor); + if (device == NULL) { + printf("no device from socket\n"); + continue; + } + print_device(device); + udev_device_unref(device); + } else if (ev[i].data.fd == STDIN_FILENO && ev[i].events & EPOLLIN) { + printf("exiting loop\n"); + goto out; + } + } + } +out: + if (fd_ep >= 0) + close(fd_ep); + udev_monitor_unref(udev_monitor); + return 0; +} + +static int test_queue(struct udev *udev) +{ + struct udev_queue *udev_queue; + unsigned long long int seqnum; + struct udev_list_entry *list_entry; + + udev_queue = udev_queue_new(udev); + if (udev_queue == NULL) + return -1; + seqnum = udev_queue_get_kernel_seqnum(udev_queue); + printf("seqnum kernel: %llu\n", seqnum); + seqnum = udev_queue_get_udev_seqnum(udev_queue); + printf("seqnum udev : %llu\n", seqnum); + + if (udev_queue_get_queue_is_empty(udev_queue)) + printf("queue is empty\n"); + printf("get queue list\n"); + udev_list_entry_foreach(list_entry, udev_queue_get_queued_list_entry(udev_queue)) + printf("queued: '%s' [%s]\n", udev_list_entry_get_name(list_entry), udev_list_entry_get_value(list_entry)); + printf("\n"); + printf("get queue list again\n"); + udev_list_entry_foreach(list_entry, udev_queue_get_queued_list_entry(udev_queue)) + printf("queued: '%s' [%s]\n", udev_list_entry_get_name(list_entry), udev_list_entry_get_value(list_entry)); + printf("\n"); + + list_entry = udev_queue_get_queued_list_entry(udev_queue); + if (list_entry != NULL) { + printf("event [%llu] is queued\n", seqnum); + seqnum = strtoull(udev_list_entry_get_value(list_entry), NULL, 10); + if (udev_queue_get_seqnum_is_finished(udev_queue, seqnum)) + printf("event [%llu] is not finished\n", seqnum); + else + printf("event [%llu] is finished\n", seqnum); + } + printf("\n"); + udev_queue_unref(udev_queue); + return 0; +} + +static int test_enumerate(struct udev *udev, const char *subsystem) +{ + struct udev_enumerate *udev_enumerate; + + printf("enumerate '%s'\n", subsystem == NULL ? "<all>" : subsystem); + udev_enumerate = udev_enumerate_new(udev); + if (udev_enumerate == NULL) + return -1; + udev_enumerate_add_match_subsystem(udev_enumerate, subsystem); + udev_enumerate_scan_devices(udev_enumerate); + test_enumerate_print_list(udev_enumerate); + udev_enumerate_unref(udev_enumerate); + + printf("enumerate 'net' + duplicated scan + null + zero\n"); + udev_enumerate = udev_enumerate_new(udev); + if (udev_enumerate == NULL) + return -1; + udev_enumerate_add_match_subsystem(udev_enumerate, "net"); + udev_enumerate_scan_devices(udev_enumerate); + udev_enumerate_scan_devices(udev_enumerate); + udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/zero"); + udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/null"); + udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/zero"); + udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/null"); + udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/zero"); + udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/null"); + udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/null"); + udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/zero"); + udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/zero"); + udev_enumerate_scan_devices(udev_enumerate); + test_enumerate_print_list(udev_enumerate); + udev_enumerate_unref(udev_enumerate); + + printf("enumerate 'block'\n"); + udev_enumerate = udev_enumerate_new(udev); + if (udev_enumerate == NULL) + return -1; + udev_enumerate_add_match_subsystem(udev_enumerate,"block"); + udev_enumerate_add_match_is_initialized(udev_enumerate); + udev_enumerate_scan_devices(udev_enumerate); + test_enumerate_print_list(udev_enumerate); + udev_enumerate_unref(udev_enumerate); + + printf("enumerate 'not block'\n"); + udev_enumerate = udev_enumerate_new(udev); + if (udev_enumerate == NULL) + return -1; + udev_enumerate_add_nomatch_subsystem(udev_enumerate, "block"); + udev_enumerate_scan_devices(udev_enumerate); + test_enumerate_print_list(udev_enumerate); + udev_enumerate_unref(udev_enumerate); + + printf("enumerate 'pci, mem, vc'\n"); + udev_enumerate = udev_enumerate_new(udev); + if (udev_enumerate == NULL) + return -1; + udev_enumerate_add_match_subsystem(udev_enumerate, "pci"); + udev_enumerate_add_match_subsystem(udev_enumerate, "mem"); + udev_enumerate_add_match_subsystem(udev_enumerate, "vc"); + udev_enumerate_scan_devices(udev_enumerate); + test_enumerate_print_list(udev_enumerate); + udev_enumerate_unref(udev_enumerate); + + printf("enumerate 'subsystem'\n"); + udev_enumerate = udev_enumerate_new(udev); + if (udev_enumerate == NULL) + return -1; + udev_enumerate_scan_subsystems(udev_enumerate); + test_enumerate_print_list(udev_enumerate); + udev_enumerate_unref(udev_enumerate); + + printf("enumerate 'property IF_FS_*=filesystem'\n"); + udev_enumerate = udev_enumerate_new(udev); + if (udev_enumerate == NULL) + return -1; + udev_enumerate_add_match_property(udev_enumerate, "ID_FS*", "filesystem"); + udev_enumerate_scan_devices(udev_enumerate); + test_enumerate_print_list(udev_enumerate); + udev_enumerate_unref(udev_enumerate); + return 0; +} + +static int test_hwdb(struct udev *udev, const char *modalias) { + struct udev_hwdb * hwdb; + struct udev_list_entry *entry; + + hwdb = udev_hwdb_new(udev); + + udev_list_entry_foreach(entry, udev_hwdb_get_properties_list_entry(hwdb, modalias, 0)) + printf("'%s'='%s'\n", udev_list_entry_get_name(entry), udev_list_entry_get_value(entry)); + printf("\n"); + + hwdb = udev_hwdb_unref(hwdb); + return 0; +} + +int main(int argc, char *argv[]) +{ + struct udev *udev = NULL; + static const struct option options[] = { + { "syspath", required_argument, NULL, 'p' }, + { "subsystem", required_argument, NULL, 's' }, + { "debug", no_argument, NULL, 'd' }, + { "help", no_argument, NULL, 'h' }, + { "version", no_argument, NULL, 'V' }, + {} + }; + const char *syspath = "/devices/virtual/mem/null"; + const char *subsystem = NULL; + char path[1024]; + + udev = udev_new(); + printf("context: %p\n", udev); + if (udev == NULL) { + printf("no context\n"); + return 1; + } + udev_set_log_fn(udev, log_fn); + printf("set log: %p\n", log_fn); + + for (;;) { + int option; + + option = getopt_long(argc, argv, "+p:s:dhV", options, NULL); + if (option == -1) + break; + + switch (option) { + case 'p': + syspath = optarg; + break; + case 's': + subsystem = optarg; + break; + case 'd': + if (udev_get_log_priority(udev) < LOG_INFO) + udev_set_log_priority(udev, LOG_INFO); + break; + case 'h': + printf("--debug --syspath= --subsystem= --help\n"); + goto out; + case 'V': + printf("%s\n", VERSION); + goto out; + default: + goto out; + } + } + + /* add sys path if needed */ + if (!startswith(syspath, "/sys")) { + snprintf(path, sizeof(path), "/sys/%s", syspath); + syspath = path; + } + + test_device(udev, syspath); + test_device_devnum(udev); + test_device_subsys_name(udev); + test_device_parents(udev, syspath); + + test_enumerate(udev, subsystem); + + test_queue(udev); + + test_hwdb(udev, "usb:v0D50p0011*"); + + test_monitor(udev); +out: + udev_unref(udev); + return 0; +} diff --git a/test/test-udev.c b/test/test-udev.c new file mode 100644 index 0000000000..26e173de63 --- /dev/null +++ b/test/test-udev.c @@ -0,0 +1,180 @@ +/*** + This file is part of systemd. + + Copyright 2003-2004 Greg Kroah-Hartman <greg@kroah.com> + Copyright 2004-2012 Kay Sievers <kay@vrfy.org> + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. +***/ + +#include <stdio.h> +#include <stddef.h> +#include <stdlib.h> +#include <string.h> +#include <fcntl.h> +#include <ctype.h> +#include <errno.h> +#include <unistd.h> +#include <syslog.h> +#include <grp.h> +#include <sched.h> +#include <sys/mount.h> +#include <sys/signalfd.h> + +#include "udev.h" + +#ifndef HAVE_UNSHARE +#include <sys/syscall.h> +/* Provide our own replacement with local reach*/ +static inline int unshare (int x) { return syscall(SYS_unshare, x); } +#endif + +#ifndef _USE_GNU +/* Make sure CLONE_NEWNS macro is available */ +#include <linux/sched.h> +#endif + +void udev_main_log(struct udev *udev, int priority, + const char *file, int line, const char *fn, + const char *format, va_list args) {} + +static int fake_filesystems(void) { + static const struct fakefs { + const char *src; + const char *target; + const char *error; + } fakefss[] = { + { "test/sys", "/sys", "failed to mount test /sys" }, + { "test/dev", "/dev", "failed to mount test /dev" }, + { "test/run", "/run", "failed to mount test /run" }, + { "test/run", "/etc/udev/rules.d", "failed to mount empty /etc/udev/rules.d" }, + }; + unsigned int i; + int err; + + err = unshare(CLONE_NEWNS); + if (err < 0) { + err = -errno; + fprintf(stderr, "failed to call unshare(): %m\n"); + goto out; + } + + if (mount(NULL, "/", NULL, MS_PRIVATE|MS_REC, NULL) < 0) { + err = -errno; + fprintf(stderr, "failed to mount / as private: %m\n"); + goto out; + } + + for (i = 0; i < ELEMENTSOF(fakefss); i++) { + err = mount(fakefss[i].src, fakefss[i].target, "tmpfs", MS_BIND, NULL); + if (err < 0) { + err = -errno; + fprintf(stderr, "%s %m", fakefss[i].error); + return err; + } + } +out: + return err; +} + + +int main(int argc, char *argv[]) +{ + struct udev *udev; + struct udev_event *event = NULL; + struct udev_device *dev = NULL; + struct udev_rules *rules = NULL; + char syspath[UTIL_PATH_SIZE]; + const char *devpath; + const char *action; + sigset_t mask, sigmask_orig; + int err; + + err = fake_filesystems(); + if (err < 0) + return EXIT_FAILURE; + + udev = udev_new(); + if (udev == NULL) + exit(EXIT_FAILURE); + log_debug("version %s\n", VERSION); + label_init("/dev"); + + sigprocmask(SIG_SETMASK, NULL, &sigmask_orig); + + action = argv[1]; + if (action == NULL) { + log_error("action missing\n"); + goto out; + } + + devpath = argv[2]; + if (devpath == NULL) { + log_error("devpath missing\n"); + goto out; + } + + rules = udev_rules_new(udev, 1); + + util_strscpyl(syspath, sizeof(syspath), "/sys", devpath, NULL); + dev = udev_device_new_from_syspath(udev, syspath); + if (dev == NULL) { + log_debug("unknown device '%s'\n", devpath); + goto out; + } + + udev_device_set_action(dev, action); + event = udev_event_new(dev); + + sigfillset(&mask); + sigprocmask(SIG_SETMASK, &mask, &sigmask_orig); + event->fd_signal = signalfd(-1, &mask, SFD_NONBLOCK|SFD_CLOEXEC); + if (event->fd_signal < 0) { + fprintf(stderr, "error creating signalfd\n"); + goto out; + } + + /* do what devtmpfs usually provides us */ + if (udev_device_get_devnode(dev) != NULL) { + mode_t mode = 0600; + + if (strcmp(udev_device_get_subsystem(dev), "block") == 0) + mode |= S_IFBLK; + else + mode |= S_IFCHR; + + if (strcmp(action, "remove") != 0) { + mkdir_parents_label(udev_device_get_devnode(dev), 0755); + mknod(udev_device_get_devnode(dev), mode, udev_device_get_devnum(dev)); + } else { + unlink(udev_device_get_devnode(dev)); + util_delete_path(udev, udev_device_get_devnode(dev)); + } + } + + err = udev_event_execute_rules(event, rules, &sigmask_orig); + if (err == 0) + udev_event_execute_run(event, NULL); +out: + if (event != NULL && event->fd_signal >= 0) + close(event->fd_signal); + udev_event_unref(event); + udev_device_unref(dev); + udev_rules_unref(rules); + label_finish(); + udev_unref(udev); + if (err != 0) + return EXIT_FAILURE; + return EXIT_SUCCESS; +} |