diff options
Diffstat (limited to 'elf/dl-load.c')
| -rw-r--r-- | elf/dl-load.c | 33 |
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 |