1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
diff --git a/bind-mount.c b/bind-mount.c
index 877b095..a4185fd 100644
--- a/bind-mount.c
+++ b/bind-mount.c
@@ -24,6 +24,28 @@
#include "utils.h"
#include "bind-mount.h"
+#ifndef __GLIBC__
+static char *
+normpath(char *path)
+{
+ char *seg = NULL, *p = NULL;
+
+ for (p = path, seg = NULL; *p; p++) {
+ if (strncmp(p, "/../", 4) == 0 || strncmp(p, "/..", 4) == 0) {
+ memmove(seg ? seg : p, p+3, strlen(p+3) + 1);
+ return normpath(path);
+ } else if (strncmp(p, "/./", 3) == 0 || strncmp(p, "/.", 3) == 0) {
+ memmove(p, p+2, strlen(p+2) + 1);
+ } else if (strncmp(p, "//", 2) == 0 || strncmp(p, "/", 2) == 0) {
+ memmove(p, p+1, strlen(p+1) + 1);
+ }
+ if (*p == '/')
+ seg = p;
+ }
+ return path;
+}
+#endif
+
static char *
skip_token (char *line, bool eat_whitespace)
{
@@ -402,7 +424,11 @@ bind_mount (int proc_fd,
path, so to find it in the mount table we need to do that too. */
resolved_dest = realpath (dest, NULL);
if (resolved_dest == NULL)
+#ifdef __GLIBC__
return BIND_MOUNT_ERROR_REALPATH_DEST;
+#else
+ resolved_dest = normpath(strdup(dest));
+#endif
dest_fd = open (resolved_dest, O_PATH | O_CLOEXEC);
if (dest_fd < 0)
|
