if (disk_id == sysfs_id) {
if (match[0] == '\0') {
/* store id */
- util_strlcpy(match, dent->d_name, sizeof(match));
+ util_strscpy(match, sizeof(match), dent->d_name);
} else {
/* error, same signature for another device */
info(udev, "'%s' does not have a unique signature\n", node);
if (label[0] == '"' || label[0] == '\'') {
char *pos;
- util_strlcpy(str, &label[1], sizeof(str));
+ util_strscpy(str, sizeof(str), &label[1]);
pos = strrchr(str, label[0]);
if (pos == NULL)
continue;
if (uuid[0] == '"' || uuid[0] == '\'') {
char *pos;
- util_strlcpy(str, &uuid[1], sizeof(str));
+ util_strscpy(str, sizeof(str), &uuid[1]);
pos = strrchr(str, uuid[0]);
if (pos == NULL)
continue;
break;
}
}
- util_strlcpy(to, type, len);
+ util_strscpy(to, len, type);
}
/*
case 'd':
dev_specified = 1;
- util_strlcpy(maj_min_dev, optarg, MAX_PATH_LEN);
+ util_strscpy(maj_min_dev, MAX_PATH_LEN, optarg);
break;
case 'e':
break;
case 'f':
- util_strlcpy(config_file, optarg, MAX_PATH_LEN);
+ util_strscpy(config_file, MAX_PATH_LEN, optarg);
break;
case 'g':
}
if (optind < argc && !dev_specified) {
dev_specified = 1;
- util_strlcpy(maj_min_dev, argv[optind], MAX_PATH_LEN);
+ util_strscpy(maj_min_dev, MAX_PATH_LEN, argv[optind]);
}
return 0;
}
break;
}
}
- util_strlcpy(to, type, len);
+ util_strscpy(to, len, type);
return type_num;
}
break;
}
}
- util_strlcpy(to, type, len);
+ util_strscpy(to, len, type);
}
#define USB_DT_DEVICE 0x01
goto exit;
}
- util_strlcpy(syspath, udev_get_sys_path(udev), sizeof(syspath));
- util_strlcat(syspath, devpath, sizeof(syspath));
+ util_strscpyl(syspath, sizeof(syspath), udev_get_sys_path(udev), devpath, NULL);
dev = udev_device_new_from_syspath(udev, syspath);
if (dev == NULL) {
err(udev, "unable to access '%s'\n", devpath);
retval = usb_id(dev);
if (retval == 0) {
char serial[256];
-
- util_strlcpy(serial, vendor_str, sizeof(serial));
- util_strlcat(serial, "_", sizeof(serial));
- util_strlcat(serial, model_str, sizeof(serial));
- if (serial_str[0] != '\0') {
- util_strlcat(serial, "_", sizeof(serial));
- util_strlcat(serial, serial_str, sizeof(serial));
- }
- if (instance_str[0] != '\0') {
- util_strlcat(serial, "-", sizeof(serial));
- util_strlcat(serial, instance_str, sizeof(serial));
- }
+ size_t l;
+ char *s;
+
+ s = serial;
+ l = util_strpcpyl(&s, sizeof(serial), vendor_str, "_", model_str, NULL);
+ if (serial_str[0] != '\0')
+ l = util_strpcpyl(&s, l, "_", serial_str, NULL);
+ if (instance_str[0] != '\0')
+ util_strpcpyl(&s, l, "-", instance_str, NULL);
if (export) {
printf("ID_VENDOR=%s\n", vendor_str);
exp_name => "test-0:0:0:0" ,
rules => <<EOF
SUBSYSTEMS=="scsi", PROGRAM=="/bin/echo -n test-%b", RESULT=="test-0:0*", NAME="%c"
-EOF
- },
- {
- desc => "program with escaped format char (callout returns format char!)",
- subsys => "block",
- devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda5",
- exp_name => "escape-5" ,
- rules => <<EOF
-SUBSYSTEMS=="scsi", PROGRAM=="/bin/echo -n escape-%%n", KERNEL=="sda5", NAME="%c"
EOF
},
{
ctrl_msg_wire.type = type;
if (buf != NULL)
- util_strlcpy(ctrl_msg_wire.buf, buf, sizeof(ctrl_msg_wire.buf));
+ util_strscpy(ctrl_msg_wire.buf, sizeof(ctrl_msg_wire.buf), buf);
else
ctrl_msg_wire.intval = intval;
static size_t devpath_to_db_path(struct udev *udev, const char *devpath, char *filename, size_t len)
{
- size_t start;
+ char *s;
+ size_t l;
- /* translate to location of db file */
- util_strlcpy(filename, udev_get_dev_path(udev), len);
- start = util_strlcat(filename, "/.udev/db/", len);
- util_strlcat(filename, devpath, len);
- return util_path_encode(&filename[start], len - start);
+ s = filename;
+ l = util_strpcpyl(&s, len, udev_get_dev_path(udev), "/.udev/db/", NULL);
+ return util_path_encode(devpath, filename, l);
}
int udev_device_update_db(struct udev_device *udev_device)
FILE *f;
char target[232]; /* on 64bit, tmpfs inlines up to 239 bytes */
size_t devlen = strlen(udev_get_dev_path(udev))+1;
+ char *s;
+ size_t l;
struct udev_list_entry *list_entry;
int ret;
- devpath_to_db_path(udev,
- udev_device_get_devpath(udev_device),
- filename, sizeof(filename));
+ devpath_to_db_path(udev, udev_device_get_devpath(udev_device), filename, sizeof(filename));
util_create_path(udev, filename);
unlink(filename);
* if we have only the node and symlinks to store, try not to waste
* tmpfs memory -- store values, if they fit, in a symlink target
*/
- util_strlcpy(target, &udev_device_get_devnode(udev_device)[devlen], sizeof(target));
+ s = target;
+ l = util_strpcpy(&s, sizeof(target), &udev_device_get_devnode(udev_device)[devlen]);
udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(udev_device)) {
- size_t len;
-
- util_strlcat(target, " ", sizeof(target));
- len = util_strlcat(target, &udev_list_entry_get_name(list_entry)[devlen], sizeof(target));
- if (len >= sizeof(target)) {
+ l = util_strpcpyl(&s, l, " ", &udev_list_entry_get_name(list_entry)[devlen], NULL);
+ if (l == 0) {
info(udev, "size of links too large, create file\n");
goto file;
}
int udev_device_delete_db(struct udev_device *udev_device)
{
+ struct udev *udev = udev_device_get_udev(udev_device);
char filename[UTIL_PATH_SIZE];
- devpath_to_db_path(udev_device_get_udev(udev_device),
- udev_device_get_devpath(udev_device),
- filename, sizeof(filename));
+ devpath_to_db_path(udev, udev_device_get_devpath(udev_device), filename, sizeof(filename));
unlink(filename);
return 0;
}
int udev_device_rename_db(struct udev_device *udev_device, const char *devpath_old)
{
+ struct udev *udev = udev_device_get_udev(udev_device);
char filename_old[UTIL_PATH_SIZE];
char filename[UTIL_PATH_SIZE];
- devpath_to_db_path(udev_device_get_udev(udev_device),
- devpath_old,
- filename_old, sizeof(filename_old));
- devpath_to_db_path(udev_device_get_udev(udev_device),
- udev_device_get_devpath(udev_device),
- filename, sizeof(filename));
+ devpath_to_db_path(udev, devpath_old, filename_old, sizeof(filename_old));
+ devpath_to_db_path(udev, udev_device_get_devpath(udev_device), filename, sizeof(filename));
return rename(filename_old, filename);
}
/*
* libudev - interface to udev device information
*
- * Copyright (C) 2008 Kay Sievers <kay.sievers@vrfy.org>
+ * Copyright (C) 2008-2009 Kay Sievers <kay.sievers@vrfy.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
static size_t devpath_to_db_path(struct udev *udev, const char *devpath, char *filename, size_t len)
{
- size_t start;
+ char *s;
+ size_t l;
- /* translate to location of db file */
- util_strlcpy(filename, udev_get_dev_path(udev), len);
- start = util_strlcat(filename, "/.udev/db/", len);
- util_strlcat(filename, devpath, len);
- return util_path_encode(&filename[start], len - start);
+ s = filename;
+ l = util_strpcpyl(&s, len, udev_get_dev_path(udev), "/.udev/db/", NULL);
+ return util_path_encode(devpath, filename, l);
}
int udev_device_read_db(struct udev_device *udev_device)
next[0] = '\0';
next = &next[1];
}
- util_strlcpy(devnode, udev_get_dev_path(udev_device->udev), sizeof(devnode));
- util_strlcat(devnode, "/", sizeof(devnode));
- util_strlcat(devnode, target, sizeof(devnode));
+ util_strscpyl(devnode, sizeof(devnode), udev_get_dev_path(udev_device->udev), "/", target, NULL);
udev_device_set_devnode(udev_device, devnode);
while (next != NULL) {
char devlink[UTIL_PATH_SIZE];
next[0] = '\0';
next = &next[1];
}
- util_strlcpy(devlink, udev_get_dev_path(udev_device->udev), sizeof(devlink));
- util_strlcat(devlink, "/", sizeof(devlink));
- util_strlcat(devlink, lnk, sizeof(devlink));
+ util_strscpyl(devlink, sizeof(devlink), udev_get_dev_path(udev_device->udev), "/", lnk, NULL);
udev_device_add_devlink(udev_device, devlink);
}
info(udev_device->udev, "device %p filled with db symlink data '%s'\n", udev_device, udev_device->devnode);
val = &line[2];
switch(line[0]) {
case 'N':
- util_strlcpy(filename, udev_get_dev_path(udev_device->udev), sizeof(filename));
- util_strlcat(filename, "/", sizeof(filename));
- util_strlcat(filename, val, sizeof(filename));
+ util_strscpyl(filename, sizeof(filename), udev_get_dev_path(udev_device->udev), "/", val, NULL);
udev_device_set_devnode(udev_device, filename);
break;
case 'S':
- util_strlcpy(filename, udev_get_dev_path(udev_device->udev), sizeof(filename));
- util_strlcat(filename, "/", sizeof(filename));
- util_strlcat(filename, val, sizeof(filename));
+ util_strscpyl(filename, sizeof(filename), udev_get_dev_path(udev_device->udev), "/", val, NULL);
udev_device_add_devlink(udev_device, filename);
break;
case 'L':
int maj = 0;
int min = 0;
- util_strlcpy(filename, udev_device->syspath, sizeof(filename));
- util_strlcat(filename, "/uevent", sizeof(filename));
+ util_strscpyl(filename, sizeof(filename), udev_device->syspath, "/uevent", NULL);
f = fopen(filename, "r");
if (f == NULL)
return -1;
}
/* resolve possible symlink to real path */
- util_strlcpy(path, syspath, sizeof(path));
+ util_strscpy(path, sizeof(path), syspath);
util_resolve_sys_link(udev, path, sizeof(path));
/* try to resolve the silly block layout if needed */
char block[UTIL_PATH_SIZE];
char part[UTIL_PATH_SIZE];
- util_strlcpy(block, path, sizeof(block));
+ util_strscpy(block, sizeof(block), path);
pos = strrchr(block, '/');
if (pos == NULL)
return NULL;
- util_strlcpy(part, pos, sizeof(part));
+ util_strscpy(part, sizeof(part), pos);
pos[0] = '\0';
- if (util_resolve_sys_link(udev, block, sizeof(block)) == 0) {
- util_strlcpy(path, block, sizeof(path));
- util_strlcat(path, part, sizeof(path));
- }
+ if (util_resolve_sys_link(udev, block, sizeof(block)) == 0)
+ util_strscpyl(path, sizeof(path), block, part, NULL);
}
/* path exists in sys */
char file[UTIL_PATH_SIZE];
/* all "devices" require a "uevent" file */
- util_strlcpy(file, path, sizeof(file));
- util_strlcat(file, "/uevent", sizeof(file));
+ util_strscpyl(file, sizeof(file), path, "/uevent", NULL);
if (stat(file, &statbuf) != 0) {
dbg(udev, "not a device: %s\n", syspath);
return NULL;
struct udev_device *udev_device_new_from_subsystem_sysname(struct udev *udev, const char *subsystem, const char *sysname)
{
- size_t sys_path_len;
char path_full[UTIL_PATH_SIZE];
char *path;
+ size_t l;
struct stat statbuf;
- sys_path_len = util_strlcpy(path_full, udev_get_sys_path(udev), sizeof(path_full));
- path = &path_full[sys_path_len];
+ path = path_full;
+ l = util_strpcpyl(&path, sizeof(path_full), udev_get_sys_path(udev), NULL);
if (strcmp(subsystem, "subsystem") == 0) {
- util_strlcpy(path, "/subsystem/", sizeof(path_full) - sys_path_len);
- util_strlcat(path, sysname, sizeof(path_full) - sys_path_len);
+ util_strscpyl(path, l, "/subsystem/", sysname, NULL);
if (stat(path_full, &statbuf) == 0)
goto found;
- util_strlcpy(path, "/bus/", sizeof(path_full) - sys_path_len);
- util_strlcat(path, sysname, sizeof(path_full) - sys_path_len);
+ util_strscpyl(path, l, "/bus/", sysname, NULL);
if (stat(path_full, &statbuf) == 0)
goto found;
- util_strlcpy(path, "/class/", sizeof(path_full) - sys_path_len);
- util_strlcat(path, sysname, sizeof(path_full) - sys_path_len);
+ util_strscpyl(path, l, "/class/", sysname, NULL);
if (stat(path_full, &statbuf) == 0)
goto found;
goto out;
}
if (strcmp(subsystem, "module") == 0) {
- util_strlcpy(path, "/module/", sizeof(path_full) - sys_path_len);
- util_strlcat(path, sysname, sizeof(path_full) - sys_path_len);
+ util_strscpyl(path, l, "/module/", sysname, NULL);
if (stat(path_full, &statbuf) == 0)
goto found;
goto out;
char subsys[UTIL_NAME_SIZE];
char *driver;
- util_strlcpy(subsys, sysname, sizeof(subsys));
+ util_strscpy(subsys, sizeof(subsys), sysname);
driver = strchr(subsys, ':');
if (driver != NULL) {
driver[0] = '\0';
driver = &driver[1];
- util_strlcpy(path, "/subsystem/", sizeof(path_full) - sys_path_len);
- util_strlcat(path, subsys, sizeof(path_full) - sys_path_len);
- util_strlcat(path, "/drivers/", sizeof(path_full) - sys_path_len);
- util_strlcat(path, driver, sizeof(path_full) - sys_path_len);
+
+ util_strscpyl(path, l, "/subsystem/", subsys, "/drivers/", driver, NULL);
if (stat(path_full, &statbuf) == 0)
goto found;
- util_strlcpy(path, "/bus/", sizeof(path_full) - sys_path_len);
- util_strlcat(path, subsys, sizeof(path_full) - sys_path_len);
- util_strlcat(path, "/drivers/", sizeof(path_full) - sys_path_len);
- util_strlcat(path, driver, sizeof(path_full) - sys_path_len);
+ util_strscpyl(path, l, "/bus/", subsys, "/drivers/", driver, NULL);
if (stat(path_full, &statbuf) == 0)
goto found;
}
goto out;
}
- util_strlcpy(path, "/subsystem/", sizeof(path_full) - sys_path_len);
- util_strlcat(path, subsystem, sizeof(path_full) - sys_path_len);
- util_strlcat(path, "/devices/", sizeof(path_full) - sys_path_len);
- util_strlcat(path, sysname, sizeof(path_full) - sys_path_len);
+ util_strscpyl(path, l, "/subsystem/", subsystem, "/devices/", sysname, NULL);
if (stat(path_full, &statbuf) == 0)
goto found;
- util_strlcpy(path, "/bus/", sizeof(path_full) - sys_path_len);
- util_strlcat(path, subsystem, sizeof(path_full) - sys_path_len);
- util_strlcat(path, "/devices/", sizeof(path_full) - sys_path_len);
- util_strlcat(path, sysname, sizeof(path_full) - sys_path_len);
+ util_strscpyl(path, l, "/bus/", subsystem, "/devices/", sysname, NULL);
if (stat(path_full, &statbuf) == 0)
goto found;
- util_strlcpy(path, "/class/", sizeof(path_full) - sys_path_len);
- util_strlcat(path, subsystem, sizeof(path_full) - sys_path_len);
- util_strlcat(path, "/", sizeof(path_full) - sys_path_len);
- util_strlcat(path, sysname, sizeof(path_full) - sys_path_len);
+ util_strscpyl(path, l, "/class/", subsystem, "/", sysname, NULL);
if (stat(path_full, &statbuf) == 0)
goto found;
out:
/* follow "device" link in deprecated sys layout */
if (strncmp(udev_device->devpath, "/class/", 7) == 0 ||
strncmp(udev_device->devpath, "/block/", 7) == 0) {
- util_strlcpy(path, udev_device->syspath, sizeof(path));
- util_strlcat(path, "/device", sizeof(path));
+ util_strscpyl(path, sizeof(path), udev_device->syspath, "/device", NULL);
if (util_resolve_sys_link(udev_device->udev, path, sizeof(path)) == 0) {
udev_device_parent = udev_device_new_from_syspath(udev_device->udev, path);
if (udev_device_parent != NULL)
}
}
- util_strlcpy(path, udev_device->syspath, sizeof(path));
+ util_strscpy(path, sizeof(path), udev_device->syspath);
subdir = &path[strlen(udev_get_sys_path(udev_device->udev))+1];
while (1) {
char *pos;
udev_device->devlinks_uptodate = 1;
list_entry = udev_device_get_devlinks_list_entry(udev_device);
if (list_entry != NULL) {
- util_strlcpy(symlinks, udev_list_entry_get_name(list_entry), sizeof(symlinks));
- udev_list_entry_foreach(list_entry, udev_list_entry_get_next(list_entry)) {
- util_strlcat(symlinks, " ", sizeof(symlinks));
- util_strlcat(symlinks, udev_list_entry_get_name(list_entry), sizeof(symlinks));
- }
+ char *s;
+ size_t l;
+
+ s = symlinks;
+ l = util_strpcpyl(&s, sizeof(symlinks), udev_list_entry_get_name(list_entry), NULL);
+ udev_list_entry_foreach(list_entry, udev_list_entry_get_next(list_entry))
+ l = util_strpcpyl(&s, l, " ", udev_list_entry_get_name(list_entry), NULL);
udev_device_add_property(udev_device, "DEVLINKS", symlinks);
}
}
}
}
- util_strlcpy(path, udev_device_get_syspath(udev_device), sizeof(path));
- util_strlcat(path, "/", sizeof(path));
- util_strlcat(path, sysattr, sizeof(path));
-
+ util_strscpyl(path, sizeof(path), udev_device_get_syspath(udev_device), "/", sysattr, NULL);
if (lstat(path, &statbuf) != 0) {
dbg(udev_device->udev, "no attribute '%s', keep negative entry\n", path);
udev_list_entry_add(udev_device->udev, &udev_device->sysattr_list, sysattr, NULL, 0, 0);
char name[UTIL_PATH_SIZE];
char *val;
- util_strlcpy(name, property, sizeof(name));
+ util_strscpy(name, sizeof(name), property);
val = strchr(name, '=');
if (val == NULL)
return NULL;
static int update_envp_monitor_buf(struct udev_device *udev_device)
{
struct udev_list_entry *list_entry;
- size_t bufpos;
- size_t len;
+ char *s;
+ size_t l;
unsigned int i;
/* monitor buffer of property strings */
return -ENOMEM;
i = 0;
- bufpos = 0;
+ s = udev_device->monitor_buf;
+ l = MONITOR_BUF_SIZE;
udev_list_entry_foreach(list_entry, udev_device_get_properties_list_entry(udev_device)) {
/* add string to envp array */
- udev_device->envp[i++] = &udev_device->monitor_buf[bufpos];
+ udev_device->envp[i++] = s;
if (i+1 >= ENVP_SIZE)
return -EINVAL;
/* add property string to monitor buffer */
- len = util_strlcpy(&udev_device->monitor_buf[bufpos],
- udev_list_entry_get_name(list_entry), MONITOR_BUF_SIZE-bufpos);
- if (len >= MONITOR_BUF_SIZE-bufpos)
- return -EINVAL;
- bufpos += len;
- len = util_strlcpy(&udev_device->monitor_buf[bufpos], "=", MONITOR_BUF_SIZE-bufpos);
- if (len >= MONITOR_BUF_SIZE-bufpos)
- return -EINVAL;
- bufpos += len;
- len = util_strlcpy(&udev_device->monitor_buf[bufpos], udev_list_entry_get_value(list_entry),
- MONITOR_BUF_SIZE-bufpos);
- if (len+1 >= MONITOR_BUF_SIZE-bufpos)
+ l = util_strpcpyl(&s, l, udev_list_entry_get_name(list_entry), "=",
+ udev_list_entry_get_value(list_entry), NULL);
+ if (l == 0)
return -EINVAL;
- bufpos += len+1;
+ s++;
}
udev_device->envp[i] = NULL;
- udev_device->monitor_buf_len = bufpos;
+ udev_device->monitor_buf_len = s - udev_device->monitor_buf;
udev_device->envp_uptodate = 1;
- dbg(udev_device->udev, "filled envp/monitor buffer, %u properties, %zu bytes\n", i, bufpos);
+ dbg(udev_device->udev, "filled envp/monitor buffer, %u properties, %zu bytes\n",
+ i, udev_device->monitor_buf_len);
return 0;
}
{
struct udev *udev = udev_enumerate_get_udev(udev_enumerate);
char path[UTIL_PATH_SIZE];
+ size_t l;
+ char *s;
DIR *dir;
struct dirent *dent;
- util_strlcpy(path, udev_get_sys_path(udev), sizeof(path));
- util_strlcat(path, "/", sizeof(path));
- util_strlcat(path, basedir, sizeof(path));
- if (subdir1 != NULL) {
- util_strlcat(path, "/", sizeof(path));
- util_strlcat(path, subdir1, sizeof(path));
- }
- if (subdir2 != NULL) {
- util_strlcat(path, "/", sizeof(path));
- util_strlcat(path, subdir2, sizeof(path));
- }
+ s = path;
+ l = util_strpcpyl(&s, sizeof(path), udev_get_sys_path(udev), "/", basedir, NULL);
+ if (subdir1 != NULL)
+ l = util_strpcpyl(&s, l, "/", subdir1, NULL);
+ if (subdir2 != NULL)
+ l = util_strpcpyl(&s, l, "/", subdir2, NULL);
dir = opendir(path);
if (dir == NULL)
return -1;
if (dent->d_name[0] == '.')
continue;
- util_strlcpy(syspath, path, sizeof(syspath));
- util_strlcat(syspath, "/", sizeof(syspath));
- util_strlcat(syspath, dent->d_name, sizeof(syspath));
+ util_strscpyl(syspath, sizeof(syspath), path, "/", dent->d_name, NULL);
if (lstat(syspath, &statbuf) != 0)
continue;
if (S_ISREG(statbuf.st_mode))
continue;
if (S_ISLNK(statbuf.st_mode))
util_resolve_sys_link(udev, syspath, sizeof(syspath));
- util_strlcpy(filename, syspath, sizeof(filename));
- util_strlcat(filename, "/uevent", sizeof(filename));
+
+ util_strscpyl(filename, sizeof(filename), syspath, "/uevent", NULL);
if (stat(filename, &statbuf) != 0)
continue;
if (!match_sysattr(udev_enumerate, syspath))
DIR *dir;
struct dirent *dent;
- util_strlcpy(path, udev_get_sys_path(udev), sizeof(path));
- util_strlcat(path, "/", sizeof(path));
- util_strlcat(path, basedir, sizeof(path));
+ util_strscpyl(path, sizeof(path), udev_get_sys_path(udev), "/", basedir, NULL);
dir = opendir(path);
if (dir == NULL)
return -1;
if (udev_enumerate == NULL)
return -EINVAL;
- util_strlcpy(base, udev_get_sys_path(udev), sizeof(base));
- util_strlcat(base, "/subsystem", sizeof(base));
+ util_strscpyl(base, sizeof(base), udev_get_sys_path(udev), "/subsystem", NULL);
if (stat(base, &statbuf) == 0) {
/* we have /subsystem/, forget all the old stuff */
dbg(udev, "searching '/subsystem/*/devices/*' dir\n");
dbg(udev, "searching '/class/*' dir\n");
scan_dir(udev_enumerate, "class", NULL, NULL);
/* if block isn't a class, scan /block/ */
- util_strlcpy(base, udev_get_sys_path(udev), sizeof(base));
- util_strlcat(base, "/class/block", sizeof(base));
+ util_strscpyl(base, sizeof(base), udev_get_sys_path(udev), "/class/block", NULL);
if (stat(base, &statbuf) != 0) {
if (match_subsystem(udev_enumerate, "block")) {
dbg(udev, "searching '/block/*' dir\n");
if (udev_enumerate == NULL)
return -EINVAL;
- util_strlcpy(base, udev_get_sys_path(udev), sizeof(base));
- util_strlcat(base, "/subsystem", sizeof(base));
+ util_strscpyl(base, sizeof(base), udev_get_sys_path(udev), "/subsystem", NULL);
if (stat(base, &statbuf) == 0)
subsysdir = "subsystem";
else
/*
* libudev - interface to udev device information
*
- * Copyright (C) 2008 Kay Sievers <kay.sievers@vrfy.org>
+ * Copyright (C) 2008-2009 Kay Sievers <kay.sievers@vrfy.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
udev_monitor->sun.sun_family = AF_LOCAL;
if (socket_path[0] == '@') {
/* translate leading '@' to abstract namespace */
- util_strlcpy(udev_monitor->sun.sun_path, socket_path, sizeof(udev_monitor->sun.sun_path));
+ util_strscpy(udev_monitor->sun.sun_path, sizeof(udev_monitor->sun.sun_path), socket_path);
udev_monitor->sun.sun_path[0] = '\0';
udev_monitor->addrlen = offsetof(struct sockaddr_un, sun_path) + strlen(socket_path);
} else if (stat(socket_path, &statbuf) == 0 && S_ISSOCK(statbuf.st_mode)) {
/* existing socket file */
- util_strlcpy(udev_monitor->sun.sun_path, socket_path, sizeof(udev_monitor->sun.sun_path));
+ util_strscpy(udev_monitor->sun.sun_path, sizeof(udev_monitor->sun.sun_path), socket_path);
udev_monitor->addrlen = offsetof(struct sockaddr_un, sun_path) + strlen(socket_path);
} else {
/* no socket file, assume abstract namespace socket */
- util_strlcpy(&udev_monitor->sun.sun_path[1], socket_path, sizeof(udev_monitor->sun.sun_path)-1);
+ util_strscpy(&udev_monitor->sun.sun_path[1], sizeof(udev_monitor->sun.sun_path)-1, socket_path);
udev_monitor->addrlen = offsetof(struct sockaddr_un, sun_path) + strlen(socket_path)+1;
}
udev_monitor->sock = socket(AF_LOCAL, SOCK_DGRAM, 0);
if (strncmp(key, "DEVPATH=", 8) == 0) {
char path[UTIL_PATH_SIZE];
- util_strlcpy(path, udev_get_sys_path(udev_monitor->udev), sizeof(path));
- util_strlcat(path, &key[8], sizeof(path));
+ util_strscpyl(path, sizeof(path), udev_get_sys_path(udev_monitor->udev), &key[8], NULL);
udev_device_set_syspath(udev_device, path);
devpath_set = 1;
} else if (strncmp(key, "SUBSYSTEM=", 10) == 0) {
char *slink;
char *next;
- util_strlcpy(devlinks, &key[9], sizeof(devlinks));
+ util_strscpy(devlinks, sizeof(devlinks), &key[9]);
slink = devlinks;
next = strchr(slink, ' ');
while (next != NULL) {
if (udev_monitor->sun.sun_family != 0) {
const char *action;
char header[2048];
- size_t hlen;
+ char *s;
/* header <action>@<devpath> */
action = udev_device_get_action(udev_device);
if (action == NULL)
return -EINVAL;
- util_strlcpy(header, action, sizeof(header));
- util_strlcat(header, "@", sizeof(header));
- hlen = util_strlcat(header, udev_device_get_devpath(udev_device), sizeof(header))+1;
- if (hlen >= sizeof(header))
+ s = header;
+ if (util_strpcpyl(&s, sizeof(header), action, "@", udev_device_get_devpath(udev_device), NULL) == 0)
return -EINVAL;
iov[0].iov_base = header;
- iov[0].iov_len = hlen;
+ iov[0].iov_len = (s - header)+1;
/* add properties list */
iov[1].iov_base = (char *)buf;
/* add versioned header */
memset(&nlh, 0x00, sizeof(struct udev_monitor_netlink_header));
- util_strlcpy(nlh.version, "udev-" VERSION, sizeof(nlh.version));
+ util_strscpy(nlh.version, sizeof(nlh.version), "udev-" VERSION);
nlh.magic = htonl(UDEV_MONITOR_MAGIC);
val = udev_device_get_subsystem(udev_device);
nlh.filter_subsystem = htonl(util_string_hash32(val));
/*
* libudev - interface to udev device information
*
- * Copyright (C) 2008 Kay Sievers <kay.sievers@vrfy.org>
+ * Copyright (C) 2008-2009 Kay Sievers <kay.sievers@vrfy.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
ssize_t util_get_sys_driver(struct udev *udev, const char *syspath, char *driver, size_t size);
int util_resolve_sys_link(struct udev *udev, char *syspath, size_t size);
int util_log_priority(const char *priority);
-size_t util_path_encode(char *s, size_t len);
+size_t util_path_encode(const char *src, char *dest, size_t size);
size_t util_path_decode(char *s);
void util_remove_trailing_chars(char *path, char c);
-size_t util_strlcpy(char *dst, const char *src, size_t size);
-size_t util_strlcat(char *dst, const char *src, size_t size);
+size_t util_strpcpy(char **dest, size_t size, const char *src);
+size_t util_strpcpyl(char **dest, size_t size, const char *src, ...);
+size_t util_strscpy(char *dest, size_t size, const char *src);
+size_t util_strscpyl(char *dest, size_t size, const char *src, ...);
int udev_util_replace_whitespace(const char *str, char *to, size_t len);
int udev_util_replace_chars(char *str, const char *white);
int udev_util_encode_string(const char *str, char *str_enc, size_t len);
if (udev_queue == NULL)
return -EINVAL;
- util_strlcpy(filename, udev_get_sys_path(udev_queue->udev), sizeof(filename));
- util_strlcat(filename, "/kernel/uevent_seqnum", sizeof(filename));
+ util_strscpyl(filename, sizeof(filename), udev_get_sys_path(udev_queue->udev), "/kernel/uevent_seqnum", NULL);
fd = open(filename, O_RDONLY);
if (fd < 0)
return 0;
if (udev_queue == NULL)
return -EINVAL;
- util_strlcpy(filename, udev_get_dev_path(udev_queue->udev), sizeof(filename));
- util_strlcat(filename, "/.udev/uevent_seqnum", sizeof(filename));
+ util_strscpyl(filename, sizeof(filename), udev_get_dev_path(udev_queue->udev), "/.udev/uevent_seqnum", NULL);
fd = open(filename, O_RDONLY);
if (fd < 0)
return 0;
if (udev_queue == NULL)
return 0;
- util_strlcpy(filename, udev_get_dev_path(udev_queue->udev), sizeof(filename));
- util_strlcat(filename, "/.udev/uevent_seqnum", sizeof(filename));
+ util_strscpyl(filename, sizeof(filename), udev_get_dev_path(udev_queue->udev), "/.udev/uevent_seqnum", NULL);
if (stat(filename, &statbuf) == 0)
return 1;
return 0;
if (udev_queue == NULL)
return -EINVAL;
- util_strlcpy(queuename, udev_get_dev_path(udev_queue->udev), sizeof(queuename));
- util_strlcat(queuename, "/.udev/queue", sizeof(queuename));
+ util_strscpyl(queuename, sizeof(queuename), udev_get_dev_path(udev_queue->udev), "/.udev/queue", NULL);
if (stat(queuename, &statbuf) == 0) {
dbg(udev_queue->udev, "queue is not empty\n");
return 0;
if (udev_queue == NULL)
return NULL;
udev_list_cleanup_entries(udev_queue->udev, &udev_queue->queue_list);
- util_strlcpy(path, udev_get_dev_path(udev_queue->udev), sizeof(path));
- util_strlcat(path, "/.udev/queue", sizeof(path));
+ util_strscpyl(path, sizeof(path), udev_get_dev_path(udev_queue->udev), "/.udev/queue", NULL);
dir = opendir(path);
if (dir == NULL)
return NULL;
for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) {
char filename[UTIL_PATH_SIZE];
char syspath[UTIL_PATH_SIZE];
- size_t syslen;
+ char *s;
+ size_t l;
ssize_t len;
if (dent->d_name[0] == '.')
continue;
- util_strlcpy(filename, path, sizeof(filename));
- util_strlcat(filename, "/", sizeof(filename));
- util_strlcat(filename, dent->d_name, sizeof(filename));
-
- syslen = util_strlcpy(syspath, udev_get_sys_path(udev_queue->udev), sizeof(syspath));
- len = readlink(filename, &syspath[syslen], sizeof(syspath)-syslen);
- if (len < 0 || len >= (ssize_t)(sizeof(syspath)-syslen))
+ util_strscpyl(filename, sizeof(filename), path, "/", dent->d_name, NULL);
+ s = syspath;
+ l = util_strpcpyl(&s, sizeof(syspath), udev_get_sys_path(udev_queue->udev), NULL);
+ len = readlink(filename, s, l);
+ if (len < 0 || (size_t)len >= l)
continue;
- syspath[syslen + len] = '\0';
+ s[len] = '\0';
dbg(udev_queue->udev, "found '%s' [%s]\n", syspath, dent->d_name);
udev_list_entry_add(udev_queue->udev, &udev_queue->queue_list, syspath, dent->d_name, 0, 0);
}
if (udev_queue == NULL)
return NULL;
udev_list_cleanup_entries(udev_queue->udev, &udev_queue->failed_list);
- util_strlcpy(path, udev_get_dev_path(udev_queue->udev), sizeof(path));
- util_strlcat(path, "/.udev/failed", sizeof(path));
+ util_strscpyl(path, sizeof(path), udev_get_dev_path(udev_queue->udev), "/.udev/failed", NULL);
dir = opendir(path);
if (dir == NULL)
return NULL;
for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) {
char filename[UTIL_PATH_SIZE];
char syspath[UTIL_PATH_SIZE];
- struct stat statbuf;
- size_t syslen;
+ char *s;
+ size_t l;
ssize_t len;
+ struct stat statbuf;
if (dent->d_name[0] == '.')
continue;
- util_strlcpy(filename, path, sizeof(filename));
- util_strlcat(filename, "/", sizeof(filename));
- util_strlcat(filename, dent->d_name, sizeof(filename));
-
- syslen = util_strlcpy(syspath, udev_get_sys_path(udev_queue->udev), sizeof(syspath));
- len = readlink(filename, &syspath[syslen], sizeof(syspath)-syslen);
- if (len < 0 || len >= (ssize_t)(sizeof(syspath)-syslen))
+ util_strscpyl(filename, sizeof(filename), path, "/", dent->d_name, NULL);
+ s = syspath;
+ l = util_strpcpyl(&s, sizeof(syspath), udev_get_sys_path(udev_queue->udev), NULL);
+ len = readlink(filename, s, l);
+ if (len < 0 || (size_t)len >= l)
continue;
- syspath[syslen + len] = '\0';
+ s[len] = '\0';
dbg(udev_queue->udev, "found '%s' [%s]\n", syspath, dent->d_name);
- util_strlcpy(filename, syspath, sizeof(filename));
- util_strlcat(filename, "/uevent", sizeof(filename));
+ util_strscpyl(filename, sizeof(filename), syspath, "/uevent", NULL);
if (stat(filename, &statbuf) != 0)
continue;
udev_list_entry_add(udev_queue->udev, &udev_queue->failed_list, syspath, NULL, 0, 0);
/*
* libudev - interface to udev device information
*
- * Copyright (C) 2008 Kay Sievers <kay.sievers@vrfy.org>
+ * Copyright (C) 2008-2009 Kay Sievers <kay.sievers@vrfy.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
ssize_t len;
const char *pos;
- util_strlcpy(path, syspath, sizeof(path));
- util_strlcat(path, "/", sizeof(path));
- util_strlcat(path, slink, sizeof(path));
+ util_strscpyl(path, sizeof(path), syspath, "/", slink, NULL);
len = readlink(path, path, sizeof(path));
if (len < 0 || len >= (ssize_t) sizeof(path))
return -1;
return -1;
pos = &pos[1];
dbg(udev, "resolved link to: '%s'\n", pos);
- return util_strlcpy(value, pos, size);
+ return util_strscpy(value, size, pos);
}
ssize_t util_get_sys_subsystem(struct udev *udev, const char *syspath, char *subsystem, size_t size)
int len;
int i;
int back;
+ char *base;
len = readlink(syspath, link_target, sizeof(link_target));
if (len <= 0)
;
dbg(udev, "base '%s', tail '%s', back %i\n", syspath, &link_target[back * 3], back);
for (i = 0; i <= back; i++) {
- char *pos = strrchr(syspath, '/');
-
- if (pos == NULL)
+ base = strrchr(syspath, '/');
+ if (base == NULL)
return -1;
- pos[0] = '\0';
+ base[0] = '\0';
}
dbg(udev, "after moving back '%s'\n", syspath);
- util_strlcat(syspath, "/", size);
- util_strlcat(syspath, &link_target[back * 3], size);
+ util_strscpyl(base, size - (base - syspath), "/", &link_target[back * 3], NULL);
return 0;
}
return 0;
}
-size_t util_path_encode(char *s, size_t size)
+size_t util_path_encode(const char *src, char *dest, size_t size)
{
- char t[(size * 4)+1];
size_t i, j;
- for (i = 0, j = 0; s[i] != '\0' && i < size; i++) {
- if (s[i] == '/') {
- memcpy(&t[j], "\\x2f", 4);
+ for (i = 0, j = 0; src[i] != '\0'; i++) {
+ if (src[i] == '/') {
+ if (j+4 >= size) {
+ j = 0;
+ break;
+ }
+ memcpy(&dest[j], "\\x2f", 4);
j += 4;
- } else if (s[i] == '\\') {
- memcpy(&t[j], "\\x5c", 4);
+ } else if (src[i] == '\\') {
+ if (j+4 >= size) {
+ j = 0;
+ break;
+ }
+ memcpy(&dest[j], "\\x5c", 4);
j += 4;
} else {
- t[j] = s[i];
+ if (j+1 >= size) {
+ j = 0;
+ break;
+ }
+ dest[j] = src[i];
j++;
}
}
- if (i >= size)
- return 0;
- if (j >= size)
- return 0;
- memcpy(s, t, j);
- s[j] = '\0';
+ dest[j] = '\0';
return j;
}
path[--len] = '\0';
}
-size_t util_strlcpy(char *dst, const char *src, size_t size)
+/*
+ * Concatenates strings. In any case, terminates in _all_ cases with '\0'
+ * and moves the @dest pointer forward to the added '\0'. Returns the
+ * remaining size, and 0 if the string was truncated.
+ */
+size_t util_strpcpy(char **dest, size_t size, const char *src)
{
- size_t bytes = 0;
- char *q = dst;
- const char *p = src;
- char ch;
-
- while ((ch = *p++)) {
- if (bytes+1 < size)
- *q++ = ch;
- bytes++;
+ size_t len;
+
+ len = strlen(src);
+ if (len >= size) {
+ if (size > 1)
+ *dest = mempcpy(*dest, src, size-1);
+ size = 0;
+ *dest[0] = '\0';
+ } else {
+ if (len > 0) {
+ *dest = mempcpy(*dest, src, len);
+ size -= len;
+ }
+ *dest[0] = '\0';
}
+ return size;
+}
+
+/* concatenates list of strings, moves dest forward */
+size_t util_strpcpyl(char **dest, size_t size, const char *src, ...)
+{
+ va_list va;
+
+ va_start(va, src);
+ do {
+ size = util_strpcpy(dest, size, src);
+ src = va_arg(va, char *);
+ } while (src != NULL);
+ va_end(va);
- /* If size == 0 there is no space for a final null... */
- if (size)
- *q = '\0';
- return bytes;
+ return size;
}
-size_t util_strlcat(char *dst, const char *src, size_t size)
+/* copies string */
+size_t util_strscpy(char *dest, size_t size, const char *src)
{
- size_t bytes = 0;
- char *q = dst;
- const char *p = src;
- char ch;
-
- while (bytes < size && *q) {
- q++;
- bytes++;
- }
- if (bytes == size)
- return (bytes + strlen(src));
+ char *s;
- while ((ch = *p++)) {
- if (bytes+1 < size)
- *q++ = ch;
- bytes++;
- }
+ s = dest;
+ return util_strpcpy(&s, size, src);
+}
- *q = '\0';
- return bytes;
+/* concatenates list of strings */
+size_t util_strscpyl(char *dest, size_t size, const char *src, ...)
+{
+ va_list va;
+ char *s;
+
+ va_start(va, src);
+ s = dest;
+ do {
+ size = util_strpcpy(&s, size, src);
+ src = va_arg(va, char *);
+ } while (src != NULL);
+ va_end(va);
+
+ return size;
}
/* count of characters used to encode one unicode char */
rules = udev_rules_new(udev, 1);
- util_strlcpy(syspath, udev_get_sys_path(udev), sizeof(syspath));
- util_strlcat(syspath, devpath, sizeof(syspath));
+ util_strscpyl(syspath, sizeof(syspath), udev_get_sys_path(udev), devpath, NULL);
dev = udev_device_new_from_syspath(udev, syspath);
if (dev == NULL) {
info(udev, "unknown device '%s'\n", devpath);
/*
- * Copyright (C) 2004-2008 Kay Sievers <kay.sievers@vrfy.org>
+ * Copyright (C) 2004-2009 Kay Sievers <kay.sievers@vrfy.org>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
free(event);
}
-/* extract possible {attr} and move str behind it */
-static char *get_format_attribute(struct udev *udev, char **str)
-{
- char *pos;
- char *attr = NULL;
-
- if (*str[0] == '{') {
- pos = strchr(*str, '}');
- if (pos == NULL) {
- err(udev, "missing closing brace for format\n");
- return NULL;
- }
- pos[0] = '\0';
- attr = *str+1;
- *str = pos+1;
- dbg(udev, "attribute='%s', str='%s'\n", attr, *str);
- }
- return attr;
-}
-
-void udev_event_apply_format(struct udev_event *event, char *string, size_t maxsize)
+size_t udev_event_apply_format(struct udev_event *event, const char *src, char *dest, size_t size)
{
struct udev_device *dev = event->dev;
- char temp[UTIL_PATH_SIZE];
- char temp2[UTIL_PATH_SIZE];
- char *head, *tail, *cpos, *attr, *rest;
- int i;
- int count;
enum subst_type {
SUBST_UNKNOWN,
- SUBST_DEVPATH,
+ SUBST_TEMP_NODE,
+ SUBST_ATTR,
+ SUBST_ENV,
SUBST_KERNEL,
SUBST_KERNEL_NUMBER,
- SUBST_ID,
SUBST_DRIVER,
+ SUBST_DEVPATH,
+ SUBST_ID,
SUBST_MAJOR,
SUBST_MINOR,
SUBST_RESULT,
- SUBST_ATTR,
SUBST_PARENT,
- SUBST_TEMP_NODE,
SUBST_NAME,
SUBST_LINKS,
SUBST_ROOT,
SUBST_SYS,
- SUBST_ENV,
};
static const struct subst_map {
char *name;
char fmt;
enum subst_type type;
} map[] = {
- { .name = "devpath", .fmt = 'p', .type = SUBST_DEVPATH },
- { .name = "number", .fmt = 'n', .type = SUBST_KERNEL_NUMBER },
+ { .name = "tempnode", .fmt = 'N', .type = SUBST_TEMP_NODE },
+ { .name = "attr", .fmt = 's', .type = SUBST_ATTR },
+ { .name = "sysfs", .fmt = 's', .type = SUBST_ATTR },
+ { .name = "env", .fmt = 'E', .type = SUBST_ENV },
{ .name = "kernel", .fmt = 'k', .type = SUBST_KERNEL },
- { .name = "id", .fmt = 'b', .type = SUBST_ID },
+ { .name = "number", .fmt = 'n', .type = SUBST_KERNEL_NUMBER },
{ .name = "driver", .fmt = 'd', .type = SUBST_DRIVER },
+ { .name = "devpath", .fmt = 'p', .type = SUBST_DEVPATH },
+ { .name = "id", .fmt = 'b', .type = SUBST_ID },
{ .name = "major", .fmt = 'M', .type = SUBST_MAJOR },
{ .name = "minor", .fmt = 'm', .type = SUBST_MINOR },
{ .name = "result", .fmt = 'c', .type = SUBST_RESULT },
- { .name = "attr", .fmt = 's', .type = SUBST_ATTR },
- { .name = "sysfs", .fmt = 's', .type = SUBST_ATTR },
{ .name = "parent", .fmt = 'P', .type = SUBST_PARENT },
- { .name = "tempnode", .fmt = 'N', .type = SUBST_TEMP_NODE },
{ .name = "name", .fmt = 'D', .type = SUBST_NAME },
{ .name = "links", .fmt = 'L', .type = SUBST_LINKS },
{ .name = "root", .fmt = 'r', .type = SUBST_ROOT },
{ .name = "sys", .fmt = 'S', .type = SUBST_SYS },
- { .name = "env", .fmt = 'E', .type = SUBST_ENV },
- { NULL, '\0', 0 }
};
- enum subst_type type;
- const struct subst_map *subst;
+ const char *from;
+ char *s;
+ size_t l;
+
+ from = src;
+ s = dest;
+ l = size;
- head = string;
while (1) {
- while (head[0] != '\0') {
- if (head[0] == '$') {
+ enum subst_type type = SUBST_UNKNOWN;
+ char attrbuf[UTIL_PATH_SIZE];
+ char *attr = NULL;
+
+ while (from[0] != '\0') {
+ if (from[0] == '$') {
/* substitute named variable */
- if (head[1] == '\0')
- break;
- if (head[1] == '$') {
- util_strlcpy(temp, head+2, sizeof(temp));
- util_strlcpy(head+1, temp, maxsize);
- head++;
- continue;
+ unsigned int i;
+
+ if (from[1] == '$') {
+ from++;
+ goto copy;
}
- head[0] = '\0';
- for (subst = map; subst->name; subst++) {
- if (strncasecmp(&head[1], subst->name, strlen(subst->name)) == 0) {
- type = subst->type;
- tail = head + strlen(subst->name)+1;
- dbg(event->udev, "will substitute format name '%s'\n", subst->name);
- goto found;
+
+ for (i = 0; i < ARRAY_SIZE(map); i++) {
+ if (strncasecmp(&from[1], map[i].name, strlen(map[i].name)) == 0) {
+ type = map[i].type;
+ from += strlen(map[i].name)+1;
+ dbg(event->udev, "will substitute format name '%s'\n", map[i].name);
+ goto subst;
}
}
- head[0] = '$';
- err(event->udev, "unknown format variable '%s'\n", head);
- } else if (head[0] == '%') {
+ } else if (from[0] == '%') {
/* substitute format char */
- if (head[1] == '\0')
- break;
- if (head[1] == '%') {
- util_strlcpy(temp, head+2, sizeof(temp));
- util_strlcpy(head+1, temp, maxsize);
- head++;
- continue;
+ unsigned int i;
+
+ if (from[1] == '%') {
+ from++;
+ goto copy;
}
- head[0] = '\0';
- tail = head+1;
- for (subst = map; subst->name; subst++) {
- if (tail[0] == subst->fmt) {
- type = subst->type;
- tail++;
- dbg(event->udev, "will substitute format char '%c'\n", subst->fmt);
- goto found;
+
+ for (i = 0; i < ARRAY_SIZE(map); i++) {
+ if (from[1] == map[i].fmt) {
+ type = map[i].type;
+ from += 2;
+ dbg(event->udev, "will substitute format char '%c'\n", map[i].fmt);
+ goto subst;
}
}
- head[0] = '%';
- err(event->udev, "unknown format char '%c'\n", tail[0]);
}
- head++;
+copy:
+ /* copy char */
+ if (l == 0)
+ goto out;
+ s[0] = from[0];
+ from++;
+ s++;
+ l--;
+ }
+
+ goto out;
+subst:
+ /* extract possible $format{attr} */
+ if (from[0] == '{') {
+ unsigned int i;
+
+ from++;
+ for (i = 0; from[i] != '}'; i++) {
+ if (from[i] == '\0') {
+ err(event->udev, "missing closing brace for format '%s'\n", src);
+ goto out;
+ }
+ }
+ if (i >= sizeof(attrbuf))
+ goto out;
+ memcpy(attrbuf, from, i);
+ attrbuf[i] = '\0';
+ from += i+1;
+ attr = attrbuf;
}
- break;
-found:
- attr = get_format_attribute(event->udev, &tail);
- util_strlcpy(temp, tail, sizeof(temp));
- dbg(event->udev, "format=%i, string='%s', tail='%s'\n", type ,string, tail);
switch (type) {
case SUBST_DEVPATH:
- util_strlcat(string, udev_device_get_devpath(dev), maxsize);
+ l = util_strpcpy(&s, l, udev_device_get_devpath(dev));
dbg(event->udev, "substitute devpath '%s'\n", udev_device_get_devpath(dev));
break;
case SUBST_KERNEL:
- util_strlcat(string, udev_device_get_sysname(dev), maxsize);
+ l = util_strpcpy(&s, l, udev_device_get_sysname(dev));
dbg(event->udev, "substitute kernel name '%s'\n", udev_device_get_sysname(dev));
break;
case SUBST_KERNEL_NUMBER:
if (udev_device_get_sysnum(dev) == NULL)
break;
- util_strlcat(string, udev_device_get_sysnum(dev), maxsize);
+ l = util_strpcpy(&s, l, udev_device_get_sysnum(dev));
dbg(event->udev, "substitute kernel number '%s'\n", udev_device_get_sysnum(dev));
break;
case SUBST_ID:
- if (event->dev_parent != NULL) {
- util_strlcat(string, udev_device_get_sysname(event->dev_parent), maxsize);
- dbg(event->udev, "substitute id '%s'\n", udev_device_get_sysname(event->dev_parent));
- }
+ if (event->dev_parent == NULL)
+ break;
+ l = util_strpcpy(&s, l, udev_device_get_sysname(event->dev_parent));
+ dbg(event->udev, "substitute id '%s'\n", udev_device_get_sysname(event->dev_parent));
break;
- case SUBST_DRIVER:
- if (event->dev_parent != NULL) {
- const char *driver;
+ case SUBST_DRIVER: {
+ const char *driver;
- driver = udev_device_get_driver(event->dev_parent);
- if (driver == NULL)
- break;
- util_strlcat(string, driver, maxsize);
- dbg(event->udev, "substitute driver '%s'\n", driver);
- }
+ if (event->dev_parent == NULL)
+ break;
+
+ driver = udev_device_get_driver(event->dev_parent);
+ if (driver == NULL)
+ break;
+ l = util_strpcpy(&s, l, driver);
+ dbg(event->udev, "substitute driver '%s'\n", driver);
break;
- case SUBST_MAJOR:
- sprintf(temp2, "%d", major(udev_device_get_devnum(dev)));
- util_strlcat(string, temp2, maxsize);
- dbg(event->udev, "substitute major number '%s'\n", temp2);
+ }
+ case SUBST_MAJOR: {
+ char num[UTIL_PATH_SIZE];
+
+ sprintf(num, "%d", major(udev_device_get_devnum(dev)));
+ l = util_strpcpy(&s, l, num);
+ dbg(event->udev, "substitute major number '%s'\n", num);
break;
- case SUBST_MINOR:
- sprintf(temp2, "%d", minor(udev_device_get_devnum(dev)));
- util_strlcat(string, temp2, maxsize);
- dbg(event->udev, "substitute minor number '%s'\n", temp2);
+ }
+ case SUBST_MINOR: {
+ char num[UTIL_PATH_SIZE];
+
+ sprintf(num, "%d", minor(udev_device_get_devnum(dev)));
+ l = util_strpcpy(&s, l, num);
+ dbg(event->udev, "substitute minor number '%s'\n", num);
break;
- case SUBST_RESULT:
+ }
+ case SUBST_RESULT: {
+ char *rest;
+ int i;
+
if (event->program_result == NULL)
break;
/* get part part of the result string */
i = strtoul(attr, &rest, 10);
if (i > 0) {
char result[UTIL_PATH_SIZE];
+ char tmp[UTIL_PATH_SIZE];
+ char *cpos;
dbg(event->udev, "request part #%d of result string\n", i);
- util_strlcpy(result, event->program_result, sizeof(result));
+ util_strscpy(result, sizeof(result), event->program_result);
cpos = result;
while (--i) {
while (cpos[0] != '\0' && !isspace(cpos[0]))
err(event->udev, "requested part of result string not found\n");
break;
}
- util_strlcpy(temp2, cpos, sizeof(temp2));
+ util_strscpy(tmp, sizeof(tmp), cpos);
/* %{2+}c copies the whole string from the second part on */
if (rest[0] != '+') {
- cpos = strchr(temp2, ' ');
+ cpos = strchr(tmp, ' ');
if (cpos)
cpos[0] = '\0';
}
- util_strlcat(string, temp2, maxsize);
- dbg(event->udev, "substitute part of result string '%s'\n", temp2);
+ l = util_strpcpy(&s, l, tmp);
+ dbg(event->udev, "substitute part of result string '%s'\n", tmp);
} else {
- util_strlcat(string, event->program_result, maxsize);
+ l = util_strpcpy(&s, l, event->program_result);
dbg(event->udev, "substitute result string '%s'\n", event->program_result);
}
break;
- case SUBST_ATTR:
- if (attr == NULL)
+ }
+ case SUBST_ATTR: {
+ const char *val;
+ char value[UTIL_NAME_SIZE];
+ size_t len;
+ int count;
+
+ if (attr == NULL) {
err(event->udev, "missing file parameter for attr\n");
- else {
- const char *val;
- char value[UTIL_NAME_SIZE];
- size_t size;
-
- value[0] = '\0';
- /* read the value specified by [usb/]*/
- util_resolve_subsys_kernel(event->udev, attr, value, sizeof(value), 1);
-
- /* try to read attribute of the current device */
- if (value[0] == '\0') {
- val = udev_device_get_sysattr_value(event->dev, attr);
- if (val != NULL)
- util_strlcpy(value, val, sizeof(value));
- }
+ break;
+ }
- /* try to read the attribute of the parent device, other matches have selected */
- if (value[0] == '\0' && event->dev_parent != NULL && event->dev_parent != event->dev) {
- val = udev_device_get_sysattr_value(event->dev_parent, attr);
- if (val != NULL)
- util_strlcpy(value, val, sizeof(value));
- }
+ value[0] = '\0';
+ /* read the value specified by "[dmi/id]product_name" */
+ util_resolve_subsys_kernel(event->udev, attr, value, sizeof(value), 1);
- if (value[0]=='\0')
- break;
+ /* try to read attribute of the current device */
+ if (value[0] == '\0') {
+ val = udev_device_get_sysattr_value(event->dev, attr);
+ if (val != NULL)
+ util_strscpy(value, sizeof(value), val);
+ }
- /* strip trailing whitespace, and replace unwanted characters */
- size = strlen(value);
- while (size > 0 && isspace(value[--size]))
- value[size] = '\0';
- count = udev_util_replace_chars(value, UDEV_ALLOWED_CHARS_INPUT);
- if (count > 0)
- info(event->udev, "%i character(s) replaced\n" , count);
- util_strlcat(string, value, maxsize);
- dbg(event->udev, "substitute sysfs value '%s'\n", value);
+ /* try to read the attribute of the parent device, other matches have selected */
+ if (value[0] == '\0' && event->dev_parent != NULL && event->dev_parent != event->dev) {
+ val = udev_device_get_sysattr_value(event->dev_parent, attr);
+ if (val != NULL)
+ util_strscpy(value, sizeof(value), val);
}
+
+ if (value[0]=='\0')
+ break;
+
+ /* strip trailing whitespace, and replace unwanted characters */
+ len = strlen(value);
+ while (len > 0 && isspace(value[--len]))
+ value[len] = '\0';
+ count = udev_util_replace_chars(value, UDEV_ALLOWED_CHARS_INPUT);
+ if (count > 0)
+ info(event->udev, "%i character(s) replaced\n" , count);
+ l = util_strpcpy(&s, l, value);
+ dbg(event->udev, "substitute sysfs value '%s'\n", value);
break;
- case SUBST_PARENT:
- {
- struct udev_device *dev_parent;
- const char *devnode;
+ }
+ case SUBST_PARENT: {
+ struct udev_device *dev_parent;
+ const char *devnode;
- dev_parent = udev_device_get_parent(event->dev);
- if (dev_parent == NULL)
- break;
+ dev_parent = udev_device_get_parent(event->dev);
+ if (dev_parent == NULL)
+ break;
devnode = udev_device_get_devnode(dev_parent);
- if (devnode != NULL) {
- size_t devlen = strlen(udev_get_dev_path(event->udev))+1;
+ if (devnode != NULL) {
+ size_t devlen = strlen(udev_get_dev_path(event->udev))+1;
- util_strlcat(string, &devnode[devlen], maxsize);
- dbg(event->udev, "found parent '%s', got node name '%s'\n",
- udev_device_get_syspath(dev_parent), &devnode[devlen]);
- }
+ l = util_strpcpy(&s, l, &devnode[devlen]);
+ dbg(event->udev, "found parent '%s', got node name '%s'\n",
+ udev_device_get_syspath(dev_parent), &devnode[devlen]);
}
break;
- case SUBST_TEMP_NODE:
- {
- dev_t devnum;
- struct stat statbuf;
- char filename[UTIL_PATH_SIZE];
- const char *devtype;
-
- if (event->tmp_node != NULL) {
- util_strlcat(string, event->tmp_node, maxsize);
- dbg(event->udev, "tempnode: return earlier created one\n");
- break;
- }
- devnum = udev_device_get_devnum(dev);
- if (major(devnum) == 0)
- break;
- /* lookup kernel provided node */
- if (udev_device_get_knodename(dev) != NULL) {
- util_strlcpy(filename, udev_get_dev_path(event->udev), sizeof(filename));
- util_strlcat(filename, "/", sizeof(filename));
- util_strlcat(filename, udev_device_get_knodename(dev), sizeof(filename));
- if (stat(filename, &statbuf) == 0 && statbuf.st_rdev == devnum) {
- util_strlcat(string, filename, maxsize);
- dbg(event->udev, "tempnode: return kernel node\n");
- break;
- }
- }
- /* lookup /dev/{char,block}/<maj>:<min> */
- if (strcmp(udev_device_get_subsystem(dev), "block") == 0)
- devtype = "block";
- else
- devtype = "char";
- snprintf(filename, sizeof(filename), "%s/%s/%u:%u",
- udev_get_dev_path(event->udev), devtype,
- major(udev_device_get_devnum(dev)),
- minor(udev_device_get_devnum(dev)));
+ }
+ case SUBST_TEMP_NODE: {
+ dev_t devnum;
+ struct stat statbuf;
+ char filename[UTIL_PATH_SIZE];
+ const char *devtype;
+
+ if (event->tmp_node != NULL) {
+ l = util_strpcpy(&s, l, event->tmp_node);
+ dbg(event->udev, "tempnode: return earlier created one\n");
+ break;
+ }
+ devnum = udev_device_get_devnum(dev);
+ if (major(devnum) == 0)
+ break;
+ /* lookup kernel provided node */
+ if (udev_device_get_knodename(dev) != NULL) {
+ util_strscpyl(filename, sizeof(filename),
+ udev_get_dev_path(event->udev), "/", udev_device_get_knodename(dev), NULL);
if (stat(filename, &statbuf) == 0 && statbuf.st_rdev == devnum) {
- util_strlcat(string, filename, maxsize);
- dbg(event->udev, "tempnode: return maj:min node\n");
+ l = util_strpcpy(&s, l, filename);
+ dbg(event->udev, "tempnode: return kernel node\n");
break;
}
- /* create temporary node */
- dbg(event->udev, "tempnode: create temp node\n");
- asprintf(&event->tmp_node, "%s/.tmp-%s-%u:%u",
- udev_get_dev_path(event->udev), devtype,
- major(udev_device_get_devnum(dev)),
- minor(udev_device_get_devnum(dev)));
- if (event->tmp_node == NULL)
- break;
- udev_node_mknod(dev, event->tmp_node, makedev(0, 0), 0600, 0, 0);
- util_strlcat(string, event->tmp_node, maxsize);
}
+ /* lookup /dev/{char,block}/<maj>:<min> */
+ if (strcmp(udev_device_get_subsystem(dev), "block") == 0)
+ devtype = "block";
+ else
+ devtype = "char";
+ snprintf(filename, sizeof(filename), "%s/%s/%u:%u",
+ udev_get_dev_path(event->udev), devtype,
+ major(udev_device_get_devnum(dev)),
+ minor(udev_device_get_devnum(dev)));
+ if (stat(filename, &statbuf) == 0 && statbuf.st_rdev == devnum) {
+ l = util_strpcpy(&s, l, filename);
+ dbg(event->udev, "tempnode: return maj:min node\n");
+ break;
+ }
+ /* create temporary node */
+ dbg(event->udev, "tempnode: create temp node\n");
+ asprintf(&event->tmp_node, "%s/.tmp-%s-%u:%u",
+ udev_get_dev_path(event->udev), devtype,
+ major(udev_device_get_devnum(dev)),
+ minor(udev_device_get_devnum(dev)));
+ if (event->tmp_node == NULL)
+ break;
+ udev_node_mknod(dev, event->tmp_node, makedev(0, 0), 0600, 0, 0);
+ l = util_strpcpy(&s, l, event->tmp_node);
break;
+ }
case SUBST_NAME:
if (event->name != NULL) {
- util_strlcat(string, event->name, maxsize);
+ l = util_strpcpy(&s, l, event->name);
dbg(event->udev, "substitute name '%s'\n", event->name);
} else {
- util_strlcat(string, udev_device_get_sysname(dev), maxsize);
+ l = util_strpcpy(&s, l, udev_device_get_sysname(dev));
dbg(event->udev, "substitute sysname '%s'\n", udev_device_get_sysname(dev));
}
break;
- case SUBST_LINKS:
- {
- size_t devlen = strlen(udev_get_dev_path(event->udev))+1;
- struct udev_list_entry *list_entry;
+ case SUBST_LINKS: {
+ size_t devlen = strlen(udev_get_dev_path(event->udev))+1;
+ struct udev_list_entry *list_entry;
- list_entry = udev_device_get_devlinks_list_entry(dev);
- if (list_entry == NULL)
- break;
- util_strlcat(string, &udev_list_entry_get_name(list_entry)[devlen], maxsize);
- udev_list_entry_foreach(list_entry, udev_list_entry_get_next(list_entry)) {
- util_strlcat(string, " ", maxsize);
- util_strlcat(string, &udev_list_entry_get_name(list_entry)[devlen], maxsize);
- }
- }
+ list_entry = udev_device_get_devlinks_list_entry(dev);
+ if (list_entry == NULL)
+ break;
+ l = util_strpcpy(&s, l, &udev_list_entry_get_name(list_entry)[devlen]);
+ udev_list_entry_foreach(list_entry, udev_list_entry_get_next(list_entry))
+ l = util_strpcpyl(&s, l, " ", &udev_list_entry_get_name(list_entry)[devlen], NULL);
break;
+ }
case SUBST_ROOT:
- util_strlcat(string, udev_get_dev_path(event->udev), maxsize);
+ l = util_strpcpy(&s, l, udev_get_dev_path(event->udev));
dbg(event->udev, "substitute udev_root '%s'\n", udev_get_dev_path(event->udev));
break;
case SUBST_SYS:
- util_strlcat(string, udev_get_sys_path(event->udev), maxsize);
+ l = util_strpcpy(&s, l, udev_get_sys_path(event->udev));
dbg(event->udev, "substitute sys_path '%s'\n", udev_get_sys_path(event->udev));
break;
case SUBST_ENV:
if (value == NULL)
break;
dbg(event->udev, "substitute env '%s=%s'\n", attr, value);
- util_strlcat(string, value, maxsize);
+ l = util_strpcpy(&s, l, value);
break;
}
default:
err(event->udev, "unknown substitution type=%i\n", type);
break;
}
- util_strlcat(string, temp, maxsize);
}
+
+out:
+ s[0] = '\0';
+ dbg(event->udev, "'%s' -> '%s' (%zu)\n", src, dest, l);
+ return l;
}
static void rename_netif_kernel_log(struct ifreq ifr)
}
memset(&ifr, 0x00, sizeof(struct ifreq));
- util_strlcpy(ifr.ifr_name, udev_device_get_sysname(dev), IFNAMSIZ);
- util_strlcpy(ifr.ifr_newname, event->name, IFNAMSIZ);
+ util_strscpy(ifr.ifr_name, IFNAMSIZ, udev_device_get_sysname(dev));
+ util_strscpy(ifr.ifr_newname, IFNAMSIZ, event->name);
err = ioctl(sk, SIOCSIFNAME, &ifr);
if (err == 0)
rename_netif_kernel_log(ifr);
}
/* free our own name, another process may wait for us */
- util_strlcpy(ifr.ifr_newname, udev_device_get_sysname(dev), IFNAMSIZ);
- util_strlcat(ifr.ifr_newname, "_rename", IFNAMSIZ);
+ util_strscpy(ifr.ifr_newname, IFNAMSIZ, udev_device_get_sysname(dev));
+ util_strscpy(ifr.ifr_newname, IFNAMSIZ, "_rename");
err = ioctl(sk, SIOCSIFNAME, &ifr);
if (err != 0) {
err(event->udev, "error changing netif name %s to %s: %m\n",
}
/* wait 90 seconds for our target to become available */
- util_strlcpy(ifr.ifr_name, ifr.ifr_newname, IFNAMSIZ);
- util_strlcpy(ifr.ifr_newname, event->name, IFNAMSIZ);
+ util_strscpy(ifr.ifr_name, IFNAMSIZ, ifr.ifr_newname);
+ util_strscpy(ifr.ifr_newname, IFNAMSIZ, event->name);
loop = 90 * 20;
while (loop--) {
err = ioctl(sk, SIOCSIFNAME, &ifr);
}
/* set device node name */
- util_strlcpy(filename, udev_get_dev_path(event->udev), sizeof(filename));
- util_strlcat(filename, "/", sizeof(filename));
- util_strlcat(filename, event->name, sizeof(filename));
+ util_strscpyl(filename, sizeof(filename), udev_get_dev_path(event->udev), "/", event->name, NULL);
udev_device_set_devnode(dev, filename);
/* write current database entry */
if (delete_kdevnode && udev_device_get_knodename(dev) != NULL) {
struct stat stats;
- util_strlcpy(filename, udev_get_dev_path(event->udev), sizeof(filename));
- util_strlcat(filename, "/", sizeof(filename));
- util_strlcat(filename, udev_device_get_knodename(dev), sizeof(filename));
+ util_strscpyl(filename, sizeof(filename),
+ udev_get_dev_path(event->udev), "/", udev_device_get_knodename(dev), NULL);
if (stat(filename, &stats) == 0 && stats.st_rdev == udev_device_get_devnum(dev)) {
unlink(filename);
util_delete_path(event->udev, filename);
udev_device_add_property(dev, "INTERFACE_OLD", udev_device_get_sysname(dev));
/* now change the devpath, because the kernel device name has changed */
- util_strlcpy(syspath, udev_device_get_syspath(dev), sizeof(syspath));
+ util_strscpy(syspath, sizeof(syspath), udev_device_get_syspath(dev));
pos = strrchr(syspath, '/');
if (pos != NULL) {
- pos[1] = '\0';
- util_strlcat(syspath, event->name, sizeof(syspath));
+ pos++;
+ util_strscpy(pos, sizeof(syspath) - (pos - syspath), event->name);
udev_device_set_syspath(event->dev, syspath);
udev_device_add_property(dev, "INTERFACE", udev_device_get_sysname(dev));
info(event->udev, "changed devpath to '%s'\n", udev_device_get_devpath(dev));
info(event->udev, "'%s' not found in database, using kernel name '%s'\n",
udev_device_get_syspath(dev), udev_device_get_sysname(dev));
- util_strlcpy(devnode, udev_get_dev_path(event->udev), sizeof(devnode));
- util_strlcat(devnode, "/", sizeof(devnode));
- util_strlcat(devnode, udev_device_get_sysname(dev), sizeof(devnode));
+ util_strscpyl(devnode, sizeof(devnode),
+ udev_get_dev_path(event->udev), "/", udev_device_get_sysname(dev), NULL);
udev_device_set_devnode(dev, devnode);
}
char program[UTIL_PATH_SIZE];
char **envp;
- util_strlcpy(program, cmd, sizeof(program));
- udev_event_apply_format(event, program, sizeof(program));
+ udev_event_apply_format(event, cmd, program, sizeof(program));
if (event->trace)
fprintf(stderr, "run %s (%llu) '%s'\n",
udev_device_get_syspath(event->dev),
/* reverse mapping from the device file name to the devpath */
static int name_index(struct udev *udev, const char *devpath, const char *name, int add)
{
- char device[UTIL_PATH_SIZE];
+ char devpath_enc[UTIL_PATH_SIZE];
+ char name_enc[UTIL_PATH_SIZE];
char filename[UTIL_PATH_SIZE * 2];
- size_t devlen = strlen(udev_get_dev_path(udev))+1;
- size_t start;
int fd;
- /* directory with device name */
- util_strlcpy(filename, udev_get_dev_path(udev), sizeof(filename));
- start = util_strlcat(filename, "/.udev/names/", sizeof(filename));
- util_strlcat(filename, &name[devlen], sizeof(filename));
- util_path_encode(&filename[start], sizeof(filename) - start);
- /* entry with the devpath */
- util_strlcpy(device, devpath, sizeof(device));
- util_path_encode(device, sizeof(device));
- util_strlcat(filename, "/", sizeof(filename));
- util_strlcat(filename, device, sizeof(filename));
+ util_path_encode(&name[strlen(udev_get_dev_path(udev))+1], name_enc, sizeof(name_enc));
+ util_path_encode(devpath, devpath_enc, sizeof(devpath_enc));
+ util_strscpyl(filename, sizeof(filename), udev_get_dev_path(udev),
+ "/.udev/names/", name_enc, "/", devpath_enc, NULL);
if (add) {
dbg(udev, "creating index: '%s'\n", filename);
char file_tmp[UTIL_PATH_SIZE + sizeof(TMP_FILE_EXT)];
info(udev, "atomically replace existing file '%s'\n", file);
- util_strlcpy(file_tmp, file, sizeof(file_tmp));
- util_strlcat(file_tmp, TMP_FILE_EXT, sizeof(file_tmp));
+ util_strscpyl(file_tmp, sizeof(file_tmp), file, TMP_FILE_EXT, NULL);
unlink(file_tmp);
udev_selinux_setfscreatecon(udev, file_tmp, mode);
err = mknod(file_tmp, mode, devnum);
{
struct stat stats;
char target[UTIL_PATH_SIZE];
+ char *s;
+ size_t l;
char slink_tmp[UTIL_PATH_SIZE + sizeof(TMP_FILE_EXT)];
int i = 0;
int tail = 0;
- int len;
int err = 0;
/* use relative link */
tail = i+1;
i++;
}
+ s = target;
+ l = sizeof(target);
while (slink[i] != '\0') {
if (slink[i] == '/')
- util_strlcat(target, "../", sizeof(target));
+ l = util_strpcpy(&s, l, "../");
i++;
}
- util_strlcat(target, &node[tail], sizeof(target));
+ l = util_strscpy(s, l, &node[tail]);
+ if (l == 0) {
+ err = -EINVAL;
+ goto exit;
+ }
/* preserve link with correct target, do not replace node of other device */
if (lstat(slink, &stats) == 0) {
}
} else if (S_ISLNK(stats.st_mode)) {
char buf[UTIL_PATH_SIZE];
+ int len;
dbg(udev, "found existing symlink '%s'\n", slink);
len = readlink(slink, buf, sizeof(buf));
}
info(udev, "atomically replace '%s'\n", slink);
- util_strlcpy(slink_tmp, slink, sizeof(slink_tmp));
- util_strlcat(slink_tmp, TMP_FILE_EXT, sizeof(slink_tmp));
+ util_strscpyl(slink_tmp, sizeof(slink_tmp), slink, TMP_FILE_EXT, NULL);
unlink(slink_tmp);
udev_selinux_setfscreatecon(udev, slink, S_IFLNK);
err = symlink(target, slink_tmp);
if (err != 0) {
err(udev, "rename(%s, %s) failed: %m\n", slink_tmp, slink);
unlink(slink_tmp);
- goto exit;
}
exit:
return err;
static int name_index_get_devices(struct udev *udev, const char *name, struct udev_list_node *dev_list)
{
- char dirname[PATH_MAX];
- size_t devlen = strlen(udev_get_dev_path(udev))+1;
- size_t start;
+ char dirname[UTIL_PATH_SIZE];
+ char *s;
+ size_t l;
DIR *dir;
int count = 0;
- util_strlcpy(dirname, udev_get_dev_path(udev), sizeof(dirname));
- start = util_strlcat(dirname, "/.udev/names/", sizeof(dirname));
- util_strlcat(dirname, &name[devlen], sizeof(dirname));
- util_path_encode(&dirname[start], sizeof(dirname) - start);
+ s = dirname;
+ l = util_strpcpyl(&s, sizeof(dirname), udev_get_dev_path(udev),
+ "/.udev/names/", NULL);
+ util_path_encode(&name[strlen(udev_get_dev_path(udev))+1], s, l);
dir = opendir(dirname);
if (dir == NULL) {
dbg(udev, "no index directory '%s': %m\n", dirname);
if (ent->d_name[0] == '.')
continue;
- util_strlcpy(device, udev_get_sys_path(udev), sizeof(device));
- util_strlcat(device, ent->d_name, sizeof(device));
+ util_strscpyl(device, sizeof(device), udev_get_sys_path(udev), ent->d_name, NULL);
util_path_decode(device);
udev_list_entry_add(udev, dev_list, device, NULL, 1, 0);
count++;
udev_device_get_devnode(dev));
} else if (target[0] == '\0' || udev_device_get_devlink_priority(dev) >= priority) {
priority = udev_device_get_devlink_priority(dev);
- util_strlcpy(target, udev_device_get_devnode(dev), sizeof(target));
+ util_strscpy(target, sizeof(target), udev_device_get_devnode(dev));
}
continue;
}
priority);
if (target[0] == '\0' || udev_device_get_devlink_priority(dev_db) > priority) {
priority = udev_device_get_devlink_priority(dev_db);
- util_strlcpy(target, devnode, sizeof(target));
+ util_strscpy(target, sizeof(target), devnode);
}
}
}
info(udev, "updating devpath from '%s' to '%s'\n",
udev_device_get_devpath(dev), val);
- util_strlcpy(syspath, udev_get_sys_path(udev), sizeof(syspath));
- util_strlcat(syspath, val, sizeof(syspath));
+ util_strscpyl(syspath, sizeof(syspath), udev_get_sys_path(udev), val, NULL);
udev_device_set_syspath(dev, syspath);
} else {
struct udev_list_entry *entry;
/* a relative path is a device attribute */
devicepath[0] = '\0';
if (file[0] != '/') {
- util_strlcpy(devicepath, udev_get_sys_path(udev), sizeof(devicepath));
- util_strlcat(devicepath, udev_device_get_devpath(dev), sizeof(devicepath));
-
- util_strlcpy(filepath, devicepath, sizeof(filepath));
- util_strlcat(filepath, "/", sizeof(filepath));
- util_strlcat(filepath, file, sizeof(filepath));
+ util_strscpyl(devicepath, sizeof(devicepath),
+ udev_get_sys_path(udev), udev_device_get_devpath(dev), NULL);
+ util_strscpyl(filepath, sizeof(filepath), devicepath, "/", file, NULL);
file = filepath;
}
static int attr_subst_subdir(char *attr, size_t len)
{
- char *pos;
int found = 0;
- pos = strstr(attr, "/*/");
- if (pos != NULL) {
- char str[UTIL_PATH_SIZE];
+ if (strstr(attr, "/*/")) {
+ char *pos;
+ char dirname[UTIL_PATH_SIZE];
+ const char *tail;
DIR *dir;
- pos[1] = '\0';
- util_strlcpy(str, &pos[2], sizeof(str));
- dir = opendir(attr);
+ util_strscpy(dirname, sizeof(dirname), attr);
+ pos = strstr(dirname, "/*/");
+ if (pos == NULL)
+ return -1;
+ pos[0] = '\0';
+ tail = &pos[2];
+ dir = opendir(dirname);
if (dir != NULL) {
struct dirent *dent;
if (dent->d_name[0] == '.')
continue;
- util_strlcat(attr, dent->d_name, len);
- util_strlcat(attr, str, len);
+ util_strscpyl(attr, len, dirname, "/", dent->d_name, tail, NULL);
if (stat(attr, &stats) == 0) {
found = 1;
break;
}
- pos[1] = '\0';
}
closedir(dir);
}
- if (!found)
- util_strlcat(attr, str, len);
}
return found;
char *pos;
struct stat statbuf;
- util_strlcpy(file, value, sizeof(file));
+ /* allow programs in /lib/udev called without the path */
+ if (value[0] != '/')
+ util_strscpyl(file, sizeof(file), UDEV_PREFIX "/lib/udev/", value, NULL);
+ else
+ util_strscpy(file, sizeof(file), value);
pos = strchr(file, ' ');
if (pos)
pos[0] = '\0';
-
- /* allow programs in /lib/udev called without the path */
- if (strchr(file, '/') == NULL) {
- util_strlcpy(file, UDEV_PREFIX "/lib/udev/", sizeof(file));
- util_strlcat(file, value, sizeof(file));
- pos = strchr(file, ' ');
- if (pos)
- pos[0] = '\0';
- }
-
dbg(rules->udev, "IMPORT auto mode for '%s'\n", file);
- if (!lstat(file, &statbuf) && (statbuf.st_mode & S_IXUSR)) {
+ if (stat(file, &statbuf) == 0 && (statbuf.st_mode & S_IXUSR)) {
dbg(rules->udev, "IMPORT will be executed (autotype)\n");
rule_add_key(&rule_tmp, TK_M_IMPORT_PROG, op, value, NULL);
} else {
add_matching_files(udev, &file_list, SYSCONFDIR "/udev/rules.d", ".rules");
/* read dynamic/temporary rules */
- util_strlcpy(filename, udev_get_dev_path(udev), sizeof(filename));
- util_strlcat(filename, "/.udev/rules.d", sizeof(filename));
+ util_strscpyl(filename, sizeof(filename), udev_get_dev_path(udev), "/.udev/rules.d", NULL);
if (stat(filename, &statbuf) != 0) {
util_create_path(udev, filename);
udev_selinux_setfscreatecon(udev, filename, S_IFDIR|0755);
{
char value[UTIL_PATH_SIZE];
- util_strlcpy(value, &rules->buf[token->key.value_off], sizeof(value));
+ util_strscpy(value, sizeof(value), &rules->buf[token->key.value_off]);
key_value = value;
while (key_value != NULL) {
pos = strchr(key_value, '|');
if (key_name[0] == '[') {
char attr[UTIL_PATH_SIZE];
- util_strlcpy(attr, key_name, sizeof(attr));
+ util_strscpy(attr, sizeof(attr), key_name);
util_resolve_subsys_kernel(event->udev, attr, value, sizeof(value), 1);
}
if (value[0] == '\0') {
val = udev_device_get_sysattr_value(dev, key_name);
if (val == NULL)
return -1;
- util_strlcpy(value, val, sizeof(value));
+ util_strscpy(value, sizeof(value), val);
}
/* strip trailing whitespace of value, if not asked to match for it */
char filename[UTIL_PATH_SIZE];
int found;
- util_strlcpy(filename, &rules->buf[cur->key.value_off], sizeof(filename));
- udev_event_apply_format(event, filename, sizeof(filename));
+ udev_event_apply_format(event, &rules->buf[cur->key.value_off], filename, sizeof(filename));
found = (wait_for_file(event->dev, filename, 10) == 0);
if (!found && (cur->key.op != OP_NOMATCH))
goto nomatch;
struct stat statbuf;
int match;
- util_strlcpy(filename, &rules->buf[cur->key.value_off], sizeof(filename));
- udev_event_apply_format(event, filename, sizeof(filename));
- if (util_resolve_subsys_kernel(event->udev, NULL, filename, sizeof(filename), 0) != 0)
+ udev_event_apply_format(event, &rules->buf[cur->key.value_off], filename, sizeof(filename));
+ if (util_resolve_subsys_kernel(event->udev, filename, filename, sizeof(filename), 0) != 0) {
if (filename[0] != '/') {
char tmp[UTIL_PATH_SIZE];
- util_strlcpy(tmp, udev_device_get_syspath(event->dev), sizeof(tmp));
- util_strlcat(tmp, "/", sizeof(tmp));
- util_strlcat(tmp, filename, sizeof(tmp));
- util_strlcpy(filename, tmp, sizeof(filename));
+ util_strscpy(tmp, sizeof(tmp), filename);
+ util_strscpyl(filename, sizeof(filename),
+ udev_device_get_syspath(event->dev), "/", tmp, NULL);
}
-
+ }
attr_subst_subdir(filename, sizeof(filename));
match = (stat(filename, &statbuf) == 0);
free(event->program_result);
event->program_result = NULL;
- util_strlcpy(program, &rules->buf[cur->key.value_off], sizeof(program));
- udev_event_apply_format(event, program, sizeof(program));
+ udev_event_apply_format(event, &rules->buf[cur->key.value_off], program, sizeof(program));
envp = udev_device_get_properties_envp(event->dev);
info(event->udev, "PROGRAM '%s' %s:%u\n",
program,
{
char import[UTIL_PATH_SIZE];
- util_strlcpy(import, &rules->buf[cur->key.value_off], sizeof(import));
- udev_event_apply_format(event, import, sizeof(import));
+ udev_event_apply_format(event, &rules->buf[cur->key.value_off], import, sizeof(import));
if (import_file_into_properties(event->dev, import) != 0)
if (cur->key.op != OP_NOMATCH)
goto nomatch;
{
char import[UTIL_PATH_SIZE];
- util_strlcpy(import, &rules->buf[cur->key.value_off], sizeof(import));
- udev_event_apply_format(event, import, sizeof(import));
+ udev_event_apply_format(event, &rules->buf[cur->key.value_off], import, sizeof(import));
info(event->udev, "IMPORT '%s' %s:%u\n",
import,
&rules->buf[rule->rule.filename_off],
{
char import[UTIL_PATH_SIZE];
- util_strlcpy(import, &rules->buf[cur->key.value_off], sizeof(import));
- udev_event_apply_format(event, import, sizeof(import));
+ udev_event_apply_format(event, &rules->buf[cur->key.value_off], import, sizeof(import));
if (import_parent_into_properties(event->dev, import) != 0)
if (cur->key.op != OP_NOMATCH)
goto nomatch;
break;
if (cur->key.op == OP_ASSIGN_FINAL)
event->owner_final = 1;
- util_strlcpy(owner, &rules->buf[cur->key.value_off], sizeof(owner));
- udev_event_apply_format(event, owner, sizeof(owner));
+ udev_event_apply_format(event, &rules->buf[cur->key.value_off], owner, sizeof(owner));
event->uid = util_lookup_user(event->udev, owner);
info(event->udev, "OWNER %u %s:%u\n",
event->uid,
break;
if (cur->key.op == OP_ASSIGN_FINAL)
event->group_final = 1;
- util_strlcpy(group, &rules->buf[cur->key.value_off], sizeof(group));
- udev_event_apply_format(event, group, sizeof(group));
+ udev_event_apply_format(event, &rules->buf[cur->key.value_off], group, sizeof(group));
event->gid = util_lookup_group(event->udev, group);
info(event->udev, "GROUP %u %s:%u\n",
event->gid,
break;
if (cur->key.op == OP_ASSIGN_FINAL)
event->mode_final = 1;
- util_strlcpy(mode, &rules->buf[cur->key.value_off], sizeof(mode));
- udev_event_apply_format(event, mode, sizeof(mode));
+ udev_event_apply_format(event, &rules->buf[cur->key.value_off], mode, sizeof(mode));
event->mode = strtol(mode, &endptr, 8);
if (endptr[0] != '\0') {
err(event->udev, "invalide mode '%s' set default mode 0660\n", mode);
char temp_value[UTIL_NAME_SIZE];
struct udev_list_entry *entry;
- util_strlcpy(temp_value, value, sizeof(temp_value));
- udev_event_apply_format(event, temp_value, sizeof(temp_value));
+ udev_event_apply_format(event, value, temp_value, sizeof(temp_value));
entry = udev_device_add_property(event->dev, name, temp_value);
/* store in db */
udev_list_entry_set_flag(entry, 1);
break;
if (cur->key.op == OP_ASSIGN_FINAL)
event->name_final = 1;
- util_strlcpy(name_str, name, sizeof(name_str));
- udev_event_apply_format(event, name_str, sizeof(name_str));
+ udev_event_apply_format(event, name, name_str, sizeof(name_str));
if (esc == ESCAPE_UNSET || esc == ESCAPE_REPLACE) {
count = udev_util_replace_chars(name_str, "/");
if (count > 0)
udev_device_cleanup_devlinks_list(event->dev);
/* allow multiple symlinks separated by spaces */
- util_strlcpy(temp, &rules->buf[cur->key.value_off], sizeof(temp));
- udev_event_apply_format(event, temp, sizeof(temp));
+ udev_event_apply_format(event, &rules->buf[cur->key.value_off], temp, sizeof(temp));
if (esc == ESCAPE_UNSET)
count = udev_util_replace_chars(temp, "/ ");
else if (esc == ESCAPE_REPLACE)
pos,
&rules->buf[rule->rule.filename_off],
rule->rule.filename_line);
- util_strlcpy(filename, udev_get_dev_path(event->udev), sizeof(filename));
- util_strlcat(filename, "/", sizeof(filename));
- util_strlcat(filename, pos, sizeof(filename));
+ util_strscpyl(filename, sizeof(filename), udev_get_dev_path(event->udev), "/", pos, NULL);
udev_device_add_devlink(event->dev, filename);
while (isspace(next[1]))
next++;
pos,
&rules->buf[rule->rule.filename_off],
rule->rule.filename_line);
- util_strlcpy(filename, udev_get_dev_path(event->udev), sizeof(filename));
- util_strlcat(filename, "/", sizeof(filename));
- util_strlcat(filename, pos, sizeof(filename));
+ util_strscpyl(filename, sizeof(filename), udev_get_dev_path(event->udev), "/", pos, NULL);
udev_device_add_devlink(event->dev, filename);
}
}
char value[UTIL_NAME_SIZE];
FILE *f;
- util_strlcpy(attr, key_name, sizeof(attr));
- if (util_resolve_subsys_kernel(event->udev, key_name, attr, sizeof(attr), 0) != 0) {
- util_strlcpy(attr, udev_device_get_syspath(event->dev), sizeof(attr));
- util_strlcat(attr, "/", sizeof(attr));
- util_strlcat(attr, key_name, sizeof(attr));
- }
-
+ if (util_resolve_subsys_kernel(event->udev, key_name, attr, sizeof(attr), 0) != 0)
+ util_strscpyl(attr, sizeof(attr), udev_device_get_syspath(event->dev), "/", key_name, NULL);
attr_subst_subdir(attr, sizeof(attr));
- util_strlcpy(value, &rules->buf[cur->key.value_off], sizeof(value));
- udev_event_apply_format(event, value, sizeof(value));
+ udev_event_apply_format(event, &rules->buf[cur->key.value_off], value, sizeof(value));
info(event->udev, "ATTR '%s' writing '%s' %s:%u\n", attr, value,
&rules->buf[rule->rule.filename_off],
rule->rule.filename_line);
struct stat stats;
int ret;
- util_strlcpy(p, path, sizeof(p));
+ util_strscpy(p, sizeof(p), path);
pos = strrchr(p, '/');
if (pos == p || pos == NULL)
return 0;
struct udev_device *dev;
char *attr;
- if (string == NULL)
- string = result;
if (string[0] != '[')
return -1;
- util_strlcpy(temp, string, sizeof(temp));
+ util_strscpy(temp, sizeof(temp), string);
subsys = &temp[1];
val = udev_device_get_sysattr_value(dev, attr);
if (val != NULL)
- util_strlcpy(result, val, maxsize);
+ util_strscpy(result, maxsize, val);
else
result[0] = '\0';
info(udev, "value '[%s/%s]%s' is '%s'\n", subsys, sysname, attr, result);
} else {
- util_strlcpy(result, udev_device_get_syspath(dev), maxsize);
- if (attr != NULL) {
- util_strlcat(result, "/", maxsize);
- util_strlcat(result, attr, maxsize);
- }
+ size_t l;
+ char *s;
+
+ s = result;
+ l = util_strpcpyl(&s, maxsize, udev_device_get_syspath(dev), NULL);
+ if (attr != NULL)
+ util_strpcpyl(&s, l, "/", attr, NULL);
info(udev, "path '[%s/%s]%s' is '%s'\n", subsys, sysname, attr, result);
}
udev_device_unref(dev);
int err = 0;
/* build argv from command */
- util_strlcpy(arg, command, sizeof(arg));
+ util_strscpy(arg, sizeof(arg), command);
i = 0;
if (strchr(arg, ' ') != NULL) {
char *pos = arg;
}
/* allow programs in /lib/udev/ to be called without the path */
- if (strchr(argv[0], '/') == NULL) {
- util_strlcpy(program, UDEV_PREFIX "/lib/udev/", sizeof(program));
- util_strlcat(program, argv[0], sizeof(program));
+ if (argv[0][0] != '/') {
+ util_strscpyl(program, sizeof(program), UDEV_PREFIX "/lib/udev/", argv[0], NULL);
argv[0] = program;
}
if (inotify_fd < 0)
return;
- util_strlcpy(oldname, udev_get_dev_path(udev), sizeof(oldname));
- util_strlcat(oldname, "/.udev/watch.old", sizeof(oldname));
-
- util_strlcpy(filename, udev_get_dev_path(udev), sizeof(filename));
- util_strlcat(filename, "/.udev/watch", sizeof(filename));
-
+ util_strscpyl(oldname, sizeof(oldname), udev_get_dev_path(udev), "/.udev/watch.old", NULL);
+ util_strscpyl(filename, sizeof(filename), udev_get_dev_path(udev), "/.udev/watch", NULL);
if (rename(filename, oldname) == 0) {
DIR *dir;
struct dirent *ent;
return;
}
- while ((ent = readdir(dir)) != NULL) {
+ for (ent = readdir(dir); ent != NULL; ent = readdir(dir)) {
char path[UTIL_PATH_SIZE];
char buf[UTIL_PATH_SIZE];
- ssize_t syslen;
+ char *s;
+ size_t l;
ssize_t len;
struct udev_device *dev;
if (ent->d_name[0] < '0' || ent->d_name[0] > '9')
continue;
- util_strlcpy(path, oldname, sizeof(path));
- util_strlcat(path, "/", sizeof(path));
- util_strlcat(path, ent->d_name, sizeof(path));
-
- syslen = util_strlcpy(buf, udev_get_sys_path(udev), sizeof(buf));
- len = readlink(path, &buf[syslen], sizeof(buf)-syslen);
- if (len <= 0 || len >= (ssize_t)(sizeof(buf)-syslen)) {
+ util_strscpyl(path, sizeof(path), oldname, "/", ent->d_name, NULL);
+ s = buf;
+ l = util_strpcpy(&s, sizeof(buf), udev_get_sys_path(udev));
+ len = readlink(path, s, l);
+ if (len <= 0 || len >= (ssize_t)l) {
unlink(path);
continue;
}
- buf[syslen + len] = '\0';
+ s[len] = '\0';
dbg(udev, "old watch to '%s' found\n", buf);
dev = udev_device_new_from_syspath(udev, buf);
if (dev == NULL) {
struct udev_device *udev_watch_lookup(struct udev *udev, int wd)
{
char filename[UTIL_PATH_SIZE];
- char buf[UTIL_PATH_SIZE];
- ssize_t syslen;
+ char syspath[UTIL_PATH_SIZE];
+ char *s;
+ size_t l;
ssize_t len;
if (inotify_fd < 0 || wd < 0)
return NULL;
snprintf(filename, sizeof(filename), "%s/.udev/watch/%d", udev_get_dev_path(udev), wd);
- syslen = util_strlcpy(buf, udev_get_sys_path(udev), sizeof(buf));
- len = readlink(filename, &buf[syslen], sizeof(buf)-syslen);
- if (len > 0 || len < (ssize_t)(sizeof(buf)-syslen)) {
- buf[syslen + len] = '\0';
- return udev_device_new_from_syspath(udev, buf);
- }
-
- return NULL;
+ s = syspath;
+ l = util_strpcpy(&s, sizeof(syspath), udev_get_sys_path(udev));
+ len = readlink(filename, s, l);
+ if (len < 0 || (size_t)len >= l)
+ return NULL;
+ s[len] = '\0';
+ return udev_device_new_from_syspath(udev, syspath);
}
void udev_event_unref(struct udev_event *event);
int udev_event_execute_rules(struct udev_event *event, struct udev_rules *rules);
int udev_event_execute_run(struct udev_event *event);
-void udev_event_apply_format(struct udev_event *event, char *string, size_t maxsize);
+size_t udev_event_apply_format(struct udev_event *event, const char *src, char *dest, size_t size);
int udev_event_apply_subsys_kernel(struct udev_event *event, const char *string,
char *result, size_t maxsize, int read_value);
if (strcmp(dent->d_name, "dev") == 0)
continue;
- util_strlcpy(filename, udev_device_get_syspath(device), sizeof(filename));
- util_strlcat(filename, "/", sizeof(filename));
- util_strlcat(filename, dent->d_name, sizeof(filename));
+ util_strscpyl(filename, sizeof(filename), udev_device_get_syspath(device), "/", dent->d_name, NULL);
if (lstat(filename, &statbuf) != 0)
continue;
if (S_ISLNK(statbuf.st_mode))
goto exit;
}
/* remove /dev if given */
- if (strncmp(optarg, udev_get_dev_path(udev), strlen(udev_get_dev_path(udev))) != 0) {
- util_strlcpy(name, udev_get_dev_path(udev), sizeof(name));
- util_strlcat(name, "/", sizeof(name));
- util_strlcat(name, optarg, sizeof(name));
- } else {
- util_strlcpy(name, optarg, sizeof(name));
- }
+ if (strncmp(optarg, udev_get_dev_path(udev), strlen(udev_get_dev_path(udev))) != 0)
+ util_strscpyl(name, sizeof(name), udev_get_dev_path(udev), "/", optarg, NULL);
+ else
+ util_strscpy(name, sizeof(name), optarg);
util_remove_trailing_chars(name, '/');
if (stat(name, &statbuf) < 0) {
fprintf(stderr, "device node not found\n");
goto exit;
}
/* add sys dir if needed */
- if (strncmp(optarg, udev_get_sys_path(udev), strlen(udev_get_sys_path(udev))) != 0) {
- util_strlcpy(path, udev_get_sys_path(udev), sizeof(path));
- util_strlcat(path, optarg, sizeof(path));
- } else {
- util_strlcpy(path, optarg, sizeof(path));
- }
+ 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, '/');
device = udev_device_new_from_syspath(udev, path);
if (device == NULL) {
break;
case 'd':
action = ACTION_DEVICE_ID_FILE;
- util_strlcpy(name, optarg, sizeof(name));
+ util_strscpy(name, sizeof(name), optarg);
break;
case 'a':
action = ACTION_ATTRIBUTE_WALK;
char subsys[UTIL_NAME_SIZE];
char *devtype;
- util_strlcpy(subsys, optarg, sizeof(subsys));
+ util_strscpy(subsys, sizeof(subsys), optarg);
devtype = strchr(subsys, ':');
if (devtype != NULL) {
devtype[0] = '\0';
}
/* add /sys if needed */
- if (strncmp(syspath, udev_get_sys_path(udev), strlen(udev_get_sys_path(udev))) != 0) {
- util_strlcpy(filename, udev_get_sys_path(udev), sizeof(filename));
- util_strlcat(filename, syspath, sizeof(filename));
- } else {
- util_strlcpy(filename, syspath, sizeof(filename));
- }
+ if (strncmp(syspath, udev_get_sys_path(udev), strlen(udev_get_sys_path(udev))) != 0)
+ util_strscpyl(filename, sizeof(filename), udev_get_sys_path(udev), syspath, NULL);
+ else
+ util_strscpy(filename, sizeof(filename), syspath);
util_remove_trailing_chars(filename, '/');
dev = udev_device_new_from_syspath(udev, filename);
udev_list_entry_foreach(entry, udev_list_get_entry(&event->run_list)) {
char program[UTIL_PATH_SIZE];
- util_strlcpy(program, udev_list_entry_get_name(entry), sizeof(program));
- udev_event_apply_format(event, program, sizeof(program));
+ udev_event_apply_format(event, udev_list_entry_get_name(entry), program, sizeof(program));
info(udev, "run: '%s'\n", program);
}
}
printf("%s\n", udev_list_entry_get_name(entry));
if (dry_run)
continue;
- util_strlcpy(filename, udev_list_entry_get_name(entry), sizeof(filename));
- util_strlcat(filename, "/uevent", sizeof(filename));
+ 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);
udev_enumerate_add_nomatch_subsystem(udev_enumerate, optarg);
break;
case 'a':
- util_strlcpy(attr, optarg, sizeof(attr));
+ util_strscpy(attr, sizeof(attr), optarg);
val = strchr(attr, '=');
if (val != NULL) {
val[0] = 0;
udev_enumerate_add_match_sysattr(udev_enumerate, attr, val);
break;
case 'A':
- util_strlcpy(attr, optarg, sizeof(attr));
+ util_strscpy(attr, sizeof(attr), optarg);
val = strchr(attr, '=');
if (val != NULL) {
val[0] = 0;
{
char filename[UTIL_PATH_SIZE];
char filename_failed[UTIL_PATH_SIZE];
- size_t start;
+ char *s;
+ size_t l;
/* location of queue file */
snprintf(filename, sizeof(filename), "%s/.udev/queue/%llu",
udev_get_dev_path(event->udev), udev_device_get_seqnum(event->dev));
/* location of failed file */
- util_strlcpy(filename_failed, udev_get_dev_path(event->udev), sizeof(filename_failed));
- util_strlcat(filename_failed, "/", sizeof(filename_failed));
- start = util_strlcat(filename_failed, ".udev/failed/", sizeof(filename_failed));
- util_strlcat(filename_failed, udev_device_get_devpath(event->dev), sizeof(filename_failed));
- util_path_encode(&filename_failed[start], sizeof(filename_failed) - start);
+ s = filename_failed;
+ l = util_strpcpyl(&s, sizeof(filename_failed), udev_get_dev_path(event->udev), "/.udev/failed/", NULL);
+ util_path_encode(udev_device_get_devpath(event->dev), s, l);
switch (state) {
case EVENT_QUEUED:
/* "move" event - rename failed file to current name, do not delete failed */
char filename_failed_old[UTIL_PATH_SIZE];
- util_strlcpy(filename_failed_old, udev_get_dev_path(event->udev), sizeof(filename_failed_old));
- util_strlcat(filename_failed_old, "/", sizeof(filename_failed_old));
- start = util_strlcat(filename_failed_old, ".udev/failed/", sizeof(filename_failed_old));
- util_strlcat(filename_failed_old, udev_device_get_devpath_old(event->dev), sizeof(filename_failed_old));
- util_path_encode(&filename_failed_old[start], sizeof(filename) - start);
-
+ s = filename_failed_old;
+ l = util_strpcpyl(&s, sizeof(filename_failed_old), udev_get_dev_path(event->udev), "/.udev/failed/", NULL);
+ util_path_encode(udev_device_get_devpath_old(event->dev), s, l);
if (rename(filename_failed_old, filename_failed) == 0)
info(event->udev, "renamed devpath, moved failed state of '%s' to %s'\n",
udev_device_get_devpath_old(event->dev), udev_device_get_devpath(event->dev));
info(event->udev, "seq %llu queued, '%s' '%s'\n", udev_device_get_seqnum(event->dev),
udev_device_get_action(event->dev), udev_device_get_subsystem(event->dev));
- util_strlcpy(filename, udev_get_dev_path(event->udev), sizeof(filename));
- util_strlcat(filename, "/.udev/uevent_seqnum", sizeof(filename));
+ util_strscpyl(filename, sizeof(filename), udev_get_dev_path(event->udev), "/.udev/uevent_seqnum", NULL);
fd = open(filename, O_WRONLY|O_TRUNC|O_CREAT, 0644);
if (fd >= 0) {
char str[32];
int fd;
info(udev, "device %s closed, synthesising 'change'\n", udev_device_get_devnode(dev));
- util_strlcpy(filename, udev_device_get_syspath(dev), sizeof(filename));
- util_strlcat(filename, "/uevent", sizeof(filename));
+ util_strscpyl(filename, sizeof(filename), udev_device_get_syspath(dev), "/uevent", NULL);
fd = open(filename, O_WRONLY);
if (fd < 0 || write(fd, "change", 6) < 0)
info(udev, "error writing uevent: %m\n");
char filename[UTIL_PATH_SIZE];
DIR *dir;
- util_strlcpy(filename, udev_get_dev_path(udev), sizeof(filename));
- util_strlcat(filename, "/.udev/uevent_seqnum", sizeof(filename));
+ util_strscpyl(filename, sizeof(filename), udev_get_dev_path(udev), "/.udev/uevent_seqnum", NULL);
unlink(filename);
- util_strlcpy(dirname, udev_get_dev_path(udev), sizeof(dirname));
- util_strlcat(dirname, "/.udev/queue", sizeof(dirname));
+ util_strscpyl(dirname, sizeof(dirname), udev_get_dev_path(udev), "/.udev/queue", NULL);
dir = opendir(dirname);
if (dir != NULL) {
while (1) {
break;
if (dent->d_name[0] == '.')
continue;
- util_strlcpy(filename, dirname, sizeof(filename));
- util_strlcat(filename, "/", sizeof(filename));
- util_strlcat(filename, dent->d_name, sizeof(filename));
+ util_strscpyl(filename, sizeof(filename), dirname, "/", dent->d_name, NULL);
unlink(filename);
}
closedir(dir);
char seqnum[32];
ssize_t len = 0;
- util_strlcpy(filename, udev_get_sys_path(udev), sizeof(filename));
- util_strlcat(filename, "/kernel/uevent_seqnum", sizeof(filename));
+ util_strscpyl(filename, sizeof(filename), udev_get_sys_path(udev), "/kernel/uevent_seqnum", NULL);
fd = open(filename, O_RDONLY);
if (fd >= 0) {
len = read(fd, seqnum, sizeof(seqnum)-1);
strcpy(seqnum, "0\n");
len = 3;
}
- util_strlcpy(filename, udev_get_dev_path(udev), sizeof(filename));
- util_strlcat(filename, "/.udev/uevent_seqnum", sizeof(filename));
+ util_strscpyl(filename, sizeof(filename), udev_get_dev_path(udev), "/.udev/uevent_seqnum", NULL);
util_create_path(udev, filename);
fd = open(filename, O_WRONLY|O_TRUNC|O_CREAT, 0644);
if (fd >= 0) {
if (f != NULL)
fprintf(f, "<6>udev: starting version " VERSION "\n");
- util_strlcpy(path, udev_get_sys_path(udev), sizeof(path));
- util_strlcat(path, "/class/mem/null", sizeof(path));
+ util_strscpyl(path, sizeof(path), udev_get_sys_path(udev), "/class/mem/null", NULL);
if (lstat(path, &statbuf) == 0 && S_ISDIR(statbuf.st_mode)) {
const char *depr_str =
"udev: missing sysfs features; please update the kernel "
IN_CREATE | IN_DELETE | IN_MOVE | IN_CLOSE_WRITE);
/* watch dynamic rules directory */
- util_strlcpy(filename, udev_get_dev_path(udev), sizeof(filename));
- util_strlcat(filename, "/.udev/rules.d", sizeof(filename));
+ util_strscpyl(filename, sizeof(filename), udev_get_dev_path(udev), "/.udev/rules.d", NULL);
inotify_add_watch(inotify_fd, filename,
IN_CREATE | IN_DELETE | IN_MOVE | IN_CLOSE_WRITE);
}
projects / systemd / commitdiff