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Diffstat (limited to 'elf/dl-load.c')
-rw-r--r--elf/dl-load.c33
1 files changed, 28 insertions, 5 deletions
diff --git a/elf/dl-load.c b/elf/dl-load.c
index 993a419..c5e948e 100644
--- a/elf/dl-load.c
+++ b/elf/dl-load.c
@@ -863,9 +863,10 @@ lose (int code, int fd, const char *name, char *realname, struct link_map *l,
static
#endif
struct link_map *
-_dl_map_object_from_fd (const char *name, int fd, struct filebuf *fbp,
- char *realname, struct link_map *loader, int l_type,
- int mode, void **stack_endp, Lmid_t nsid)
+_dl_map_object_from_fd (const char *name, const char *origname, int fd,
+ struct filebuf *fbp, char *realname,
+ struct link_map *loader, int l_type, int mode,
+ void **stack_endp, Lmid_t nsid)
{
struct link_map *l = NULL;
const ElfW(Ehdr) *header;
@@ -1391,6 +1392,17 @@ cannot enable executable stack as shared object requires");
/* Finally the file information. */
l->l_file_id = id;
+#ifdef SHARED
+ /* When auditing is used the recorded names might not include the
+ name by which the DSO is actually known. Add that as well. */
+ if (__glibc_unlikely (origname != NULL))
+ add_name_to_object (l, origname);
+#else
+ /* Audit modules only exist when linking is dynamic so ORIGNAME
+ cannot be non-NULL. */
+ assert (origname == NULL);
+#endif
+
/* When we profile the SONAME might be needed for something else but
loading. Add it right away. */
if (__glibc_unlikely (GLRO(dl_profile) != NULL)
@@ -1904,6 +1916,7 @@ _dl_map_object (struct link_map *loader, const char *name,
int type, int trace_mode, int mode, Lmid_t nsid)
{
int fd;
+ const char *origname = NULL;
char *realname;
char *name_copy;
struct link_map *l;
@@ -1961,6 +1974,7 @@ _dl_map_object (struct link_map *loader, const char *name,
{
if (afct->objsearch != NULL)
{
+ const char *before = name;
name = afct->objsearch (name, &loader->l_audit[cnt].cookie,
LA_SER_ORIG);
if (name == NULL)
@@ -1969,6 +1983,15 @@ _dl_map_object (struct link_map *loader, const char *name,
fd = -1;
goto no_file;
}
+ if (before != name && strcmp (before, name) != 0)
+ {
+ if (__glibc_unlikely (GLRO(dl_debug_mask) & DL_DEBUG_FILES))
+ _dl_debug_printf ("audit changed filename %s -> %s\n",
+ before, name);
+
+ if (origname == NULL)
+ origname = before;
+ }
}
afct = afct->next;
@@ -2183,8 +2206,8 @@ _dl_map_object (struct link_map *loader, const char *name,
}
void *stack_end = __libc_stack_end;
- return _dl_map_object_from_fd (name, fd, &fb, realname, loader, type, mode,
- &stack_end, nsid);
+ return _dl_map_object_from_fd (name, origname, fd, &fb, realname, loader,
+ type, mode, &stack_end, nsid);
}
struct add_path_state