diff options
Diffstat (limited to 'src/udevadm-trigger.c')
| -rw-r--r-- | src/udevadm-trigger.c | 358 |
1 files changed, 179 insertions, 179 deletions
diff --git a/src/udevadm-trigger.c b/src/udevadm-trigger.c index 2cee2297d4..3cce23dfb2 100644 --- a/src/udevadm-trigger.c +++ b/src/udevadm-trigger.c @@ -38,195 +38,195 @@ static int dry_run; static void exec_list(struct udev_enumerate *udev_enumerate, const char *action) { - struct udev *udev = udev_enumerate_get_udev(udev_enumerate); - struct udev_list_entry *entry; - - udev_list_entry_foreach(entry, udev_enumerate_get_list_entry(udev_enumerate)) { - char filename[UTIL_PATH_SIZE]; - int fd; - - if (verbose) - printf("%s\n", udev_list_entry_get_name(entry)); - if (dry_run) - continue; - util_strscpyl(filename, sizeof(filename), udev_list_entry_get_name(entry), "/uevent", NULL); - fd = open(filename, O_WRONLY); - if (fd < 0) { - dbg(udev, "error on opening %s: %m\n", filename); - continue; - } - if (write(fd, action, strlen(action)) < 0) - info(udev, "error writing '%s' to '%s': %m\n", action, filename); - close(fd); - } + struct udev *udev = udev_enumerate_get_udev(udev_enumerate); + struct udev_list_entry *entry; + + udev_list_entry_foreach(entry, udev_enumerate_get_list_entry(udev_enumerate)) { + char filename[UTIL_PATH_SIZE]; + int fd; + + if (verbose) + printf("%s\n", udev_list_entry_get_name(entry)); + if (dry_run) + continue; + util_strscpyl(filename, sizeof(filename), udev_list_entry_get_name(entry), "/uevent", NULL); + fd = open(filename, O_WRONLY); + if (fd < 0) { + dbg(udev, "error on opening %s: %m\n", filename); + continue; + } + if (write(fd, action, strlen(action)) < 0) + info(udev, "error writing '%s' to '%s': %m\n", action, filename); + close(fd); + } } static const char *keyval(const char *str, const char **val, char *buf, size_t size) { - char *pos; - - util_strscpy(buf, size,str); - pos = strchr(buf, '='); - if (pos != NULL) { - pos[0] = 0; - pos++; - } - *val = pos; - return buf; + char *pos; + + util_strscpy(buf, size,str); + pos = strchr(buf, '='); + if (pos != NULL) { + pos[0] = 0; + pos++; + } + *val = pos; + return buf; } static int adm_trigger(struct udev *udev, int argc, char *argv[]) { - static const struct option options[] = { - { "verbose", no_argument, NULL, 'v' }, - { "dry-run", no_argument, NULL, 'n' }, - { "type", required_argument, NULL, 't' }, - { "action", required_argument, NULL, 'c' }, - { "subsystem-match", required_argument, NULL, 's' }, - { "subsystem-nomatch", required_argument, NULL, 'S' }, - { "attr-match", required_argument, NULL, 'a' }, - { "attr-nomatch", required_argument, NULL, 'A' }, - { "property-match", required_argument, NULL, 'p' }, - { "tag-match", required_argument, NULL, 'g' }, - { "sysname-match", required_argument, NULL, 'y' }, - { "parent-match", required_argument, NULL, 'b' }, - { "help", no_argument, NULL, 'h' }, - {} - }; - enum { - TYPE_DEVICES, - TYPE_SUBSYSTEMS, - } device_type = TYPE_DEVICES; - const char *action = "change"; - struct udev_enumerate *udev_enumerate; - int rc = 0; - - dbg(udev, "version %s\n", VERSION); - udev_enumerate = udev_enumerate_new(udev); - if (udev_enumerate == NULL) { - rc = 1; - goto exit; - } - - for (;;) { - int option; - const char *key; - const char *val; - char buf[UTIL_PATH_SIZE]; - - option = getopt_long(argc, argv, "vng:o:t:hc:p:s:S:a:A:y:b:", options, NULL); - if (option == -1) - break; - - switch (option) { - case 'v': - verbose = 1; - break; - case 'n': - dry_run = 1; - break; - case 't': - if (strcmp(optarg, "devices") == 0) { - device_type = TYPE_DEVICES; - } else if (strcmp(optarg, "subsystems") == 0) { - device_type = TYPE_SUBSYSTEMS; - } else { - err(udev, "unknown type --type=%s\n", optarg); - rc = 2; - goto exit; - } - break; - case 'c': - action = optarg; - break; - case 's': - udev_enumerate_add_match_subsystem(udev_enumerate, optarg); - break; - case 'S': - udev_enumerate_add_nomatch_subsystem(udev_enumerate, optarg); - break; - case 'a': - key = keyval(optarg, &val, buf, sizeof(buf)); - udev_enumerate_add_match_sysattr(udev_enumerate, key, val); - break; - case 'A': - key = keyval(optarg, &val, buf, sizeof(buf)); - udev_enumerate_add_nomatch_sysattr(udev_enumerate, key, val); - break; - case 'p': - key = keyval(optarg, &val, buf, sizeof(buf)); - udev_enumerate_add_match_property(udev_enumerate, key, val); - break; - case 'g': - udev_enumerate_add_match_tag(udev_enumerate, optarg); - break; - case 'y': - udev_enumerate_add_match_sysname(udev_enumerate, optarg); - break; - case 'b': { - char path[UTIL_PATH_SIZE]; - struct udev_device *dev; - - /* add sys dir if needed */ - if (strncmp(optarg, udev_get_sys_path(udev), strlen(udev_get_sys_path(udev))) != 0) - util_strscpyl(path, sizeof(path), udev_get_sys_path(udev), optarg, NULL); - else - util_strscpy(path, sizeof(path), optarg); - util_remove_trailing_chars(path, '/'); - dev = udev_device_new_from_syspath(udev, path); - if (dev == NULL) { - err(udev, "unable to open the device '%s'\n", optarg); - rc = 2; - goto exit; - } - udev_enumerate_add_match_parent(udev_enumerate, dev); - /* drop reference immediately, enumerate pins the device as long as needed */ - udev_device_unref(dev); - break; - } - case 'h': - printf("Usage: udevadm trigger OPTIONS\n" - " --verbose print the list of devices while running\n" - " --dry-run do not actually trigger the events\n" - " --type= type of events to trigger\n" - " devices sys devices (default)\n" - " subsystems sys subsystems and drivers\n" - " --action=<action> event action value, default is \"change\"\n" - " --subsystem-match=<subsystem> trigger devices from a matching subsystem\n" - " --subsystem-nomatch=<subsystem> exclude devices from a matching subsystem\n" - " --attr-match=<file[=<value>]> trigger devices with a matching attribute\n" - " --attr-nomatch=<file[=<value>]> exclude devices with a matching attribute\n" - " --property-match=<key>=<value> trigger devices with a matching property\n" - " --tag-match=<key>=<value> trigger devices with a matching property\n" - " --sysname-match=<name> trigger devices with a matching name\n" - " --parent-match=<name> trigger devices with that parent device\n" - " --help\n\n"); - goto exit; - default: - rc = 1; - goto exit; - } - } - - switch (device_type) { - case TYPE_SUBSYSTEMS: - udev_enumerate_scan_subsystems(udev_enumerate); - exec_list(udev_enumerate, action); - goto exit; - case TYPE_DEVICES: - udev_enumerate_scan_devices(udev_enumerate); - exec_list(udev_enumerate, action); - goto exit; - default: - goto exit; - } + static const struct option options[] = { + { "verbose", no_argument, NULL, 'v' }, + { "dry-run", no_argument, NULL, 'n' }, + { "type", required_argument, NULL, 't' }, + { "action", required_argument, NULL, 'c' }, + { "subsystem-match", required_argument, NULL, 's' }, + { "subsystem-nomatch", required_argument, NULL, 'S' }, + { "attr-match", required_argument, NULL, 'a' }, + { "attr-nomatch", required_argument, NULL, 'A' }, + { "property-match", required_argument, NULL, 'p' }, + { "tag-match", required_argument, NULL, 'g' }, + { "sysname-match", required_argument, NULL, 'y' }, + { "parent-match", required_argument, NULL, 'b' }, + { "help", no_argument, NULL, 'h' }, + {} + }; + enum { + TYPE_DEVICES, + TYPE_SUBSYSTEMS, + } device_type = TYPE_DEVICES; + const char *action = "change"; + struct udev_enumerate *udev_enumerate; + int rc = 0; + + dbg(udev, "version %s\n", VERSION); + udev_enumerate = udev_enumerate_new(udev); + if (udev_enumerate == NULL) { + rc = 1; + goto exit; + } + + for (;;) { + int option; + const char *key; + const char *val; + char buf[UTIL_PATH_SIZE]; + + option = getopt_long(argc, argv, "vng:o:t:hc:p:s:S:a:A:y:b:", options, NULL); + if (option == -1) + break; + + switch (option) { + case 'v': + verbose = 1; + break; + case 'n': + dry_run = 1; + break; + case 't': + if (strcmp(optarg, "devices") == 0) { + device_type = TYPE_DEVICES; + } else if (strcmp(optarg, "subsystems") == 0) { + device_type = TYPE_SUBSYSTEMS; + } else { + err(udev, "unknown type --type=%s\n", optarg); + rc = 2; + goto exit; + } + break; + case 'c': + action = optarg; + break; + case 's': + udev_enumerate_add_match_subsystem(udev_enumerate, optarg); + break; + case 'S': + udev_enumerate_add_nomatch_subsystem(udev_enumerate, optarg); + break; + case 'a': + key = keyval(optarg, &val, buf, sizeof(buf)); + udev_enumerate_add_match_sysattr(udev_enumerate, key, val); + break; + case 'A': + key = keyval(optarg, &val, buf, sizeof(buf)); + udev_enumerate_add_nomatch_sysattr(udev_enumerate, key, val); + break; + case 'p': + key = keyval(optarg, &val, buf, sizeof(buf)); + udev_enumerate_add_match_property(udev_enumerate, key, val); + break; + case 'g': + udev_enumerate_add_match_tag(udev_enumerate, optarg); + break; + case 'y': + udev_enumerate_add_match_sysname(udev_enumerate, optarg); + break; + case 'b': { + char path[UTIL_PATH_SIZE]; + struct udev_device *dev; + + /* add sys dir if needed */ + if (strncmp(optarg, udev_get_sys_path(udev), strlen(udev_get_sys_path(udev))) != 0) + util_strscpyl(path, sizeof(path), udev_get_sys_path(udev), optarg, NULL); + else + util_strscpy(path, sizeof(path), optarg); + util_remove_trailing_chars(path, '/'); + dev = udev_device_new_from_syspath(udev, path); + if (dev == NULL) { + err(udev, "unable to open the device '%s'\n", optarg); + rc = 2; + goto exit; + } + udev_enumerate_add_match_parent(udev_enumerate, dev); + /* drop reference immediately, enumerate pins the device as long as needed */ + udev_device_unref(dev); + break; + } + case 'h': + printf("Usage: udevadm trigger OPTIONS\n" + " --verbose print the list of devices while running\n" + " --dry-run do not actually trigger the events\n" + " --type= type of events to trigger\n" + " devices sys devices (default)\n" + " subsystems sys subsystems and drivers\n" + " --action=<action> event action value, default is \"change\"\n" + " --subsystem-match=<subsystem> trigger devices from a matching subsystem\n" + " --subsystem-nomatch=<subsystem> exclude devices from a matching subsystem\n" + " --attr-match=<file[=<value>]> trigger devices with a matching attribute\n" + " --attr-nomatch=<file[=<value>]> exclude devices with a matching attribute\n" + " --property-match=<key>=<value> trigger devices with a matching property\n" + " --tag-match=<key>=<value> trigger devices with a matching property\n" + " --sysname-match=<name> trigger devices with a matching name\n" + " --parent-match=<name> trigger devices with that parent device\n" + " --help\n\n"); + goto exit; + default: + rc = 1; + goto exit; + } + } + + switch (device_type) { + case TYPE_SUBSYSTEMS: + udev_enumerate_scan_subsystems(udev_enumerate); + exec_list(udev_enumerate, action); + goto exit; + case TYPE_DEVICES: + udev_enumerate_scan_devices(udev_enumerate); + exec_list(udev_enumerate, action); + goto exit; + default: + goto exit; + } exit: - udev_enumerate_unref(udev_enumerate); - return rc; + udev_enumerate_unref(udev_enumerate); + return rc; } const struct udevadm_cmd udevadm_trigger = { - .name = "trigger", - .cmd = adm_trigger, - .help = "request events from the kernel", + .name = "trigger", + .cmd = adm_trigger, + .help = "request events from the kernel", }; |