add uft8 validation for safe volume label exporting

We will not support any other character encoding than plain ascii
or utf8 for volume labels. All invalid utf8 and non-ascii characters
are substituted for security reasons. No options, no fancy heuristics.

Signed-off-by: Kay Sievers <kay.sievers@suse.de>

1 files changed, 0 insertions, 84 deletions

diff --git a/udev_utils.c b/udev_utils.c
index fc1e2e1f7e..c7292d0f04 100644
--- a/udev_utils.c
+++ b/udev_utils.c
@@ -36,69 +36,6 @@
 #include "udev_utils.h"
 #include "list.h"
 
-/* compare string with pattern (supports * ? [0-9] [!A-Z]) */
-int strcmp_pattern(const char *p, const char *s)
-{
-	if (s[0] == '\0') {
-		while (p[0] == '*')
-			p++;
-		return (p[0] != '\0');
-	}
-	switch (p[0]) {
-	case '[':
-		{
-			int not = 0;
-			p++;
-			if (p[0] == '!') {
-				not = 1;
-				p++;
-			}
-			while ((p[0] != '\0') && (p[0] != ']')) {
-				int match = 0;
-				if (p[1] == '-') {
-					if ((s[0] >= p[0]) && (s[0] <= p[2]))
-						match = 1;
-					p += 3;
-				} else {
-					match = (p[0] == s[0]);
-					p++;
-				}
-				if (match ^ not) {
-					while ((p[0] != '\0') && (p[0] != ']'))
-						p++;
-					if (p[0] == ']')
-						return strcmp_pattern(p+1, s+1);
-				}
-			}
-		}
-		break;
-	case '*':
-		if (strcmp_pattern(p, s+1))
-			return strcmp_pattern(p+1, s);
-		return 0;
-	case '\0':
-		if (s[0] == '\0') {
-			return 0;
-		}
-		break;
-	default:
-		if ((p[0] == s[0]) || (p[0] == '?'))
-			return strcmp_pattern(p+1, s+1);
-		break;
-	}
-	return 1;
-}
-
-int string_is_true(const char *str)
-{
-	if (strcasecmp(str, "true") == 0)
-		return 1;
-	if (strcasecmp(str, "yes") == 0)
-		return 1;
-	if (strcasecmp(str, "1") == 0)
-		return 1;
-	return 0;
-}
 
 int log_priority(const char *priority)
 {
@@ -143,27 +80,6 @@ int kernel_release_satisfactory(unsigned int version, unsigned int patchlevel, u
 		return 0;
 }
 
-void replace_untrusted_chars(char *string)
-{
-	size_t len;
-
-	for (len = 0; string[len] != '\0'; len++) {
-		if (strchr(";,~\\()\'", string[len])) {
-			info("replace '%c' in '%s'", string[len], string);
-			string[len] = '_';
-		}
-	}
-}
-
-void remove_trailing_char(char *path, char c)
-{
-	size_t len;
-
-	len = strlen(path);
-	while (len > 0 && path[len-1] == c)
-		path[--len] = '\0';
-}
-
 int name_list_add(struct list_head *name_list, const char *name, int sort)
 {
 	struct name_entry *loop_name;