return 0;
}
-size_t util_path_encode(const char *src, char *dest, size_t size) {
- size_t i, j;
-
- assert(src);
- assert(dest);
-
- 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 (src[i] == '\\') {
- if (j+4 >= size) {
- j = 0;
- break;
- }
- memcpy(&dest[j], "\\x5c", 4);
- j += 4;
- } else {
- if (j+1 >= size) {
- j = 0;
- break;
- }
- dest[j] = src[i];
- j++;
- }
- }
- dest[j] = '\0';
- return j;
-}
-
/* allow chars in allow list, plain ascii, hex-escaping and valid utf8 */
size_t util_replace_chars(char *str, const char *allow) {
size_t i = 0, replaced = 0;
#define UTIL_NAME_SIZE 512
#define UTIL_LINE_SIZE 16384
#define UDEV_ALLOWED_CHARS_INPUT "/ $%?,"
-size_t util_path_encode(const char *src, char *dest, size_t size);
size_t util_replace_chars(char *str, const char *white);
int util_resolve_subsys_kernel(const char *string, char *result, size_t maxsize, bool read_value);
return 0;
}
+static size_t escape_path(const char *src, char *dest, size_t size) {
+ size_t i, j;
+
+ assert(src);
+ assert(dest);
+
+ 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 (src[i] == '\\') {
+ if (j+4 >= size) {
+ j = 0;
+ break;
+ }
+ memcpy(&dest[j], "\\x5c", 4);
+ j += 4;
+ } else {
+ if (j+1 >= size) {
+ j = 0;
+ break;
+ }
+ dest[j] = src[i];
+ j++;
+ }
+ }
+ dest[j] = '\0';
+ return j;
+}
+
/* manage "stack of names" with possibly specified device priorities */
static int link_update(sd_device *dev, const char *slink, bool add) {
_cleanup_free_ char *target = NULL, *filename = NULL, *dirname = NULL;
if (r < 0)
return log_device_debug_errno(dev, r, "Failed to get id_filename: %m");
- util_path_encode(slink + STRLEN("/dev"), name_enc, sizeof(name_enc));
+ escape_path(slink + STRLEN("/dev"), name_enc, sizeof(name_enc));
dirname = path_join("/run/udev/links/", name_enc);
if (!dirname)
return log_oom();