diff options
Diffstat (limited to 'src/udev')
-rw-r--r-- | src/udev/collect/collect.c | 6 | ||||
-rw-r--r-- | src/udev/udev-builtin-net_id.c | 11 | ||||
-rw-r--r-- | src/udev/udev-node.c | 4 | ||||
-rw-r--r-- | src/udev/udev-watch.c | 6 |
4 files changed, 14 insertions, 13 deletions
diff --git a/src/udev/collect/collect.c b/src/udev/collect/collect.c index 349585b634..0e973cd521 100644 --- a/src/udev/collect/collect.c +++ b/src/udev/collect/collect.c @@ -85,16 +85,16 @@ static void usage(void) */ static int prepare(char *dir, char *filename) { - char buf[512]; + char buf[PATH_MAX]; int r, fd; r = mkdir(dir, 0700); if (r < 0 && errno != EEXIST) return -errno; - xsprintf(buf, "%s/%s", dir, filename); + snprintf(buf, sizeof buf, "%s/%s", dir, filename); - fd = open(buf,O_RDWR|O_CREAT|O_CLOEXEC, S_IRUSR|S_IWUSR); + fd = open(buf, O_RDWR|O_CREAT|O_CLOEXEC, S_IRUSR|S_IWUSR); if (fd < 0) fprintf(stderr, "Cannot open %s: %m\n", buf); diff --git a/src/udev/udev-builtin-net_id.c b/src/udev/udev-builtin-net_id.c index 0eb2500dd2..fe9d6f4482 100644 --- a/src/udev/udev-builtin-net_id.c +++ b/src/udev/udev-builtin-net_id.c @@ -211,7 +211,7 @@ static int dev_pci_slot(struct udev_device *dev, struct netnames *names) { char *s; const char *attr, *port_name; struct udev_device *pci = NULL; - char slots[256], str[256]; + char slots[PATH_MAX]; _cleanup_closedir_ DIR *dir = NULL; struct dirent *dent; int hotplug_slot = 0, err = 0; @@ -248,7 +248,8 @@ static int dev_pci_slot(struct udev_device *dev, struct netnames *names) { err = -ENOENT; goto out; } - xsprintf(slots, "%s/slots", udev_device_get_syspath(pci)); + + snprintf(slots, sizeof slots, "%s/slots", udev_device_get_syspath(pci)); dir = opendir(slots); if (!dir) { err = -errno; @@ -257,8 +258,7 @@ static int dev_pci_slot(struct udev_device *dev, struct netnames *names) { for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) { int i; - char *rest; - char *address; + char *rest, *address, str[PATH_MAX]; if (dent->d_name[0] == '.') continue; @@ -267,7 +267,8 @@ static int dev_pci_slot(struct udev_device *dev, struct netnames *names) { continue; if (i < 1) continue; - xsprintf(str, "%s/%s/address", slots, dent->d_name); + + snprintf(str, sizeof str, "%s/%s/address", slots, dent->d_name); if (read_one_line_file(str, &address) >= 0) { /* match slot address with device by stripping the function */ if (strneq(address, udev_device_get_sysname(names->pcidev), strlen(address))) diff --git a/src/udev/udev-node.c b/src/udev/udev-node.c index 5d2997fd8f..43004bc0bc 100644 --- a/src/udev/udev-node.c +++ b/src/udev/udev-node.c @@ -337,7 +337,7 @@ out: void udev_node_add(struct udev_device *dev, bool apply, mode_t mode, uid_t uid, gid_t gid, struct udev_list *seclabel_list) { - char filename[UTIL_PATH_SIZE]; + char filename[sizeof("/dev/block/:") + 2*DECIMAL_STR_MAX(unsigned)]; struct udev_list_entry *list_entry; log_debug("handling device node '%s', devnum=%s, mode=%#o, uid="UID_FMT", gid="GID_FMT, @@ -360,7 +360,7 @@ void udev_node_add(struct udev_device *dev, bool apply, void udev_node_remove(struct udev_device *dev) { struct udev_list_entry *list_entry; - char filename[UTIL_PATH_SIZE]; + char filename[sizeof("/dev/block/:") + 2*DECIMAL_STR_MAX(unsigned)]; /* remove/update symlinks, remove symlinks from name index */ udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(dev)) diff --git a/src/udev/udev-watch.c b/src/udev/udev-watch.c index 9ce5e975de..bc9096ed0c 100644 --- a/src/udev/udev-watch.c +++ b/src/udev/udev-watch.c @@ -89,7 +89,7 @@ unlink: } void udev_watch_begin(struct udev *udev, struct udev_device *dev) { - char filename[UTIL_PATH_SIZE]; + char filename[sizeof("/run/udev/watch/") + DECIMAL_STR_MAX(int)]; int wd; int r; @@ -116,7 +116,7 @@ void udev_watch_begin(struct udev *udev, struct udev_device *dev) { void udev_watch_end(struct udev *udev, struct udev_device *dev) { int wd; - char filename[UTIL_PATH_SIZE]; + char filename[sizeof("/run/udev/watch/") + DECIMAL_STR_MAX(int)]; if (inotify_fd < 0) return; @@ -135,7 +135,7 @@ void udev_watch_end(struct udev *udev, struct udev_device *dev) { } struct udev_device *udev_watch_lookup(struct udev *udev, int wd) { - char filename[UTIL_PATH_SIZE]; + char filename[sizeof("/run/udev/watch/") + DECIMAL_STR_MAX(int)]; char device[UTIL_NAME_SIZE]; ssize_t len; |