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-rw-r--r--elf/dl-load.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/elf/dl-load.c b/elf/dl-load.c
index e81601f36d..09185ab68d 100644
--- a/elf/dl-load.c
+++ b/elf/dl-load.c
@@ -219,11 +219,11 @@ is_dst (const char *input, const char *ref)
return rlen;
}
-/* INPUT is the start of a DST sequence at the first '$' occurrence.
- If there is a DST we call into _dl_dst_count to count the number of
- DSTs. We count all known DSTs regardless of __libc_enable_secure;
- the caller is responsible for enforcing the security of the
- substitution rules (usually _dl_dst_substitute). */
+/* INPUT should be the start of a path e.g DT_RPATH or name e.g.
+ DT_NEEDED. The return value is the number of known DSTs found. We
+ count all known DSTs regardless of __libc_enable_secure; the caller
+ is responsible for enforcing the security of the substitution rules
+ (usually _dl_dst_substitute). */
size_t
_dl_dst_count (const char *input)
{
@@ -292,7 +292,9 @@ _dl_dst_substitute (struct link_map *l, const char *input, char *result)
* $ORIGIN appears as the first path element, and is
the only string in the path or is immediately
followed by a path separator and the rest of the
- path.
+ path,
+
+ and ...
* The path is rooted in a trusted directory.