diff options
Diffstat (limited to 'meta/recipes-core/uclibc/uclibc-0.9.32/rtld_no.patch')
| -rw-r--r-- | meta/recipes-core/uclibc/uclibc-0.9.32/rtld_no.patch | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/meta/recipes-core/uclibc/uclibc-0.9.32/rtld_no.patch b/meta/recipes-core/uclibc/uclibc-0.9.32/rtld_no.patch deleted file mode 100644 index 30cb7f6ef6..0000000000 --- a/meta/recipes-core/uclibc/uclibc-0.9.32/rtld_no.patch +++ /dev/null @@ -1,215 +0,0 @@ -Patch is backported from -http://lists.busybox.net/pipermail/uclibc/2011-March/045004.html - -Upstream-Status: Pending - -diff --git a/ldso/include/dl-elf.h b/ldso/include/dl-elf.h -index 7fbb373..7102351 100644 ---- a/ldso/include/dl-elf.h -+++ b/ldso/include/dl-elf.h -@@ -25,16 +25,18 @@ static __inline__ void _dl_map_cache(void) { } - static __inline__ void _dl_unmap_cache(void) { } - #endif - -+#define DL_RESOLVE_SECURE 0x0001 -+#define DL_RESOLVE_NOLOAD 0x0002 - - /* Function prototypes for non-static stuff in readelflib1.c */ - extern void _dl_parse_lazy_relocation_information(struct dyn_elf *rpnt, - unsigned long rel_addr, unsigned long rel_size); - extern int _dl_parse_relocation_information(struct dyn_elf *rpnt, - unsigned long rel_addr, unsigned long rel_size); --extern struct elf_resolve * _dl_load_shared_library(int secure, -+extern struct elf_resolve * _dl_load_shared_library(int resolve_flags, - struct dyn_elf **rpnt, struct elf_resolve *tpnt, char *full_libname, - int trace_loaded_objects); --extern struct elf_resolve * _dl_load_elf_shared_library(int secure, -+extern struct elf_resolve * _dl_load_elf_shared_library(int resolve_flags, - struct dyn_elf **rpnt, char *libname); - extern struct elf_resolve *_dl_check_if_named_library_is_loaded(const char *full_libname, - int trace_loaded_objects); -diff --git a/ldso/ldso/dl-elf.c b/ldso/ldso/dl-elf.c -index 2b2d429..6d35bf2 100644 ---- a/ldso/ldso/dl-elf.c -+++ b/ldso/ldso/dl-elf.c -@@ -132,7 +132,7 @@ _dl_protect_relro (struct elf_resolve *l) - /* This function's behavior must exactly match that - * in uClibc/ldso/util/ldd.c */ - static struct elf_resolve * --search_for_named_library(const char *name, int secure, const char *path_list, -+search_for_named_library(const char *name, int resolve_flags, const char *path_list, - struct dyn_elf **rpnt, const char *origin) - { - char *mylibname; -@@ -162,7 +162,7 @@ search_for_named_library(const char *name, int secure, const char *path_list, - - if (plen >= 7 && _dl_memcmp(p, "$ORIGIN", 7) == 0) { - int olen; -- if (secure && plen != 7) -+ if ((resolve_flags & DL_RESOLVE_SECURE) && plen != 7) - continue; - if (origin == NULL) - continue; -@@ -182,7 +182,7 @@ search_for_named_library(const char *name, int secure, const char *path_list, - _dl_strcat(mylibname, "/"); - _dl_strcat(mylibname, name); - -- tpnt = _dl_load_elf_shared_library(secure, rpnt, mylibname); -+ tpnt = _dl_load_elf_shared_library(resolve_flags, rpnt, mylibname); - if (tpnt != NULL) - return tpnt; - } -@@ -194,7 +194,7 @@ search_for_named_library(const char *name, int secure, const char *path_list, - unsigned long _dl_error_number; - unsigned long _dl_internal_error_number; - --struct elf_resolve *_dl_load_shared_library(int secure, struct dyn_elf **rpnt, -+struct elf_resolve *_dl_load_shared_library(int resolve_flags, struct dyn_elf **rpnt, - struct elf_resolve *tpnt, char *full_libname, int attribute_unused trace_loaded_objects) - { - char *pnt; -@@ -223,7 +223,7 @@ struct elf_resolve *_dl_load_shared_library(int secure, struct dyn_elf **rpnt, - - if (libname != full_libname) { - _dl_if_debug_dprint("\ttrying file='%s'\n", full_libname); -- tpnt1 = _dl_load_elf_shared_library(secure, rpnt, full_libname); -+ tpnt1 = _dl_load_elf_shared_library(resolve_flags, rpnt, full_libname); - if (tpnt1) { - return tpnt1; - } -@@ -238,7 +238,7 @@ struct elf_resolve *_dl_load_shared_library(int secure, struct dyn_elf **rpnt, - if (pnt) { - pnt += (unsigned long) tpnt->dynamic_info[DT_STRTAB]; - _dl_if_debug_dprint("\tsearching RPATH='%s'\n", pnt); -- if ((tpnt1 = search_for_named_library(libname, secure, pnt, rpnt, -+ if ((tpnt1 = search_for_named_library(libname, resolve_flags, pnt, rpnt, - tpnt->libname)) != NULL) - return tpnt1; - } -@@ -247,7 +247,7 @@ struct elf_resolve *_dl_load_shared_library(int secure, struct dyn_elf **rpnt, - /* Check in LD_{ELF_}LIBRARY_PATH, if specified and allowed */ - if (_dl_library_path) { - _dl_if_debug_dprint("\tsearching LD_LIBRARY_PATH='%s'\n", _dl_library_path); -- if ((tpnt1 = search_for_named_library(libname, secure, _dl_library_path, rpnt, NULL)) != NULL) -+ if ((tpnt1 = search_for_named_library(libname, resolve_flags, _dl_library_path, rpnt, NULL)) != NULL) - { - return tpnt1; - } -@@ -261,7 +261,7 @@ struct elf_resolve *_dl_load_shared_library(int secure, struct dyn_elf **rpnt, - if (pnt) { - pnt += (unsigned long) tpnt->dynamic_info[DT_STRTAB]; - _dl_if_debug_dprint("\tsearching RUNPATH='%s'\n", pnt); -- if ((tpnt1 = search_for_named_library(libname, secure, pnt, rpnt, NULL)) != NULL) -+ if ((tpnt1 = search_for_named_library(libname, resolve_flags, pnt, rpnt, NULL)) != NULL) - return tpnt1; - } - #endif -@@ -284,7 +284,7 @@ struct elf_resolve *_dl_load_shared_library(int secure, struct dyn_elf **rpnt, - || libent[i].flags == LIB_ELF_LIBC0 - || libent[i].flags == LIB_ELF_LIBC5) - && _dl_strcmp(libname, strs + libent[i].sooffset) == 0 -- && (tpnt1 = _dl_load_elf_shared_library(secure, rpnt, strs + libent[i].liboffset)) -+ && (tpnt1 = _dl_load_elf_shared_library(resolve_flags, rpnt, strs + libent[i].liboffset)) - ) { - return tpnt1; - } -@@ -295,14 +295,14 @@ struct elf_resolve *_dl_load_shared_library(int secure, struct dyn_elf **rpnt, - /* Look for libraries wherever the shared library loader - * was installed */ - _dl_if_debug_dprint("\tsearching ldso dir='%s'\n", _dl_ldsopath); -- tpnt1 = search_for_named_library(libname, secure, _dl_ldsopath, rpnt, NULL); -+ tpnt1 = search_for_named_library(libname, resolve_flags, _dl_ldsopath, rpnt, NULL); - if (tpnt1 != NULL) - return tpnt1; - - /* Lastly, search the standard list of paths for the library. - This list must exactly match the list in uClibc/ldso/util/ldd.c */ - _dl_if_debug_dprint("\tsearching full lib path list\n"); -- tpnt1 = search_for_named_library(libname, secure, -+ tpnt1 = search_for_named_library(libname, resolve_flags, - UCLIBC_RUNTIME_PREFIX "lib:" - UCLIBC_RUNTIME_PREFIX "usr/lib" - #ifndef __LDSO_CACHE_SUPPORT__ -@@ -329,7 +329,7 @@ goof: - * are required. - */ - --struct elf_resolve *_dl_load_elf_shared_library(int secure, -+struct elf_resolve *_dl_load_elf_shared_library(int resolve_flags, - struct dyn_elf **rpnt, char *libname) - { - ElfW(Ehdr) *epnt; -@@ -368,7 +368,7 @@ struct elf_resolve *_dl_load_elf_shared_library(int secure, - } - /* If we are in secure mode (i.e. a setu/gid binary using LD_PRELOAD), - we don't load the library if it isn't setuid. */ -- if (secure) { -+ if (resolve_flags & DL_RESOLVE_SECURE) { - if (!(st.st_mode & S_ISUID)) { - _dl_close(infile); - return NULL; -@@ -384,6 +384,10 @@ struct elf_resolve *_dl_load_elf_shared_library(int secure, - return tpnt; - } - } -+ if (resolve_flags & DL_RESOLVE_NOLOAD) { -+ _dl_close(infile); -+ return NULL; -+ } - header = _dl_mmap((void *) 0, _dl_pagesize, PROT_READ | PROT_WRITE, - MAP_PRIVATE | MAP_ANONYMOUS | MAP_UNINITIALIZE, -1, 0); - if (_dl_mmap_check_error(header)) { -diff --git a/ldso/ldso/ldso.c b/ldso/ldso/ldso.c -index 9423670..b71af34 100644 ---- a/ldso/ldso/ldso.c -+++ b/ldso/ldso/ldso.c -@@ -646,7 +646,9 @@ void _dl_get_ready_to_run(struct elf_resolve *tpnt, DL_LOADADDR_TYPE load_addr, - if (!_dl_secure || _dl_strchr(str, '/') == NULL) { - _dl_if_debug_dprint("\tfile='%s'; needed by '%s'\n", str, _dl_progname); - -- tpnt1 = _dl_load_shared_library(_dl_secure, &rpnt, NULL, str, trace_loaded_objects); -+ tpnt1 = _dl_load_shared_library( -+ _dl_secure ? DL_RESOLVE_SECURE : 0, -+ &rpnt, NULL, str, trace_loaded_objects); - if (!tpnt1) { - #ifdef __LDSO_LDD_SUPPORT__ - if (trace_loaded_objects) -diff --git a/ldso/libdl/libdl.c b/ldso/libdl/libdl.c -index 68cd579..edf38d2 100644 ---- a/ldso/libdl/libdl.c -+++ b/ldso/libdl/libdl.c -@@ -288,7 +288,7 @@ void *dlopen(const char *libname, int flag) - #endif - - /* A bit of sanity checking... */ -- if (!(flag & (RTLD_LAZY|RTLD_NOW))) { -+ if (!(flag & (RTLD_LAZY|RTLD_NOW|RTLD_NOLOAD))) { - _dl_error_number = LD_BAD_HANDLE; - return NULL; - } -@@ -358,8 +358,9 @@ void *dlopen(const char *libname, int flag) - /* Try to load the specified library */ - _dl_if_debug_print("Trying to dlopen '%s', RTLD_GLOBAL:%d RTLD_NOW:%d\n", - (char*)libname, (flag & RTLD_GLOBAL ? 1:0), (now_flag & RTLD_NOW ? 1:0)); -- tpnt = _dl_load_shared_library(0, &rpnt, tfrom, (char*)libname, 0); - -+ tpnt = _dl_load_shared_library((flag & RTLD_NOLOAD) ? DL_RESOLVE_NOLOAD : 0, -+ &rpnt, tfrom, (char*)libname, 0); - if (tpnt == NULL) { - _dl_unmap_cache(); - return NULL; -diff --git a/libc/sysdeps/linux/common/bits/dlfcn.h b/libc/sysdeps/linux/common/bits/dlfcn.h -index 4bfbbff..47b42ad 100644 ---- a/libc/sysdeps/linux/common/bits/dlfcn.h -+++ b/libc/sysdeps/linux/common/bits/dlfcn.h -@@ -24,9 +24,9 @@ - /* The MODE argument to `dlopen' contains one of the following: */ - #define RTLD_LAZY 0x00001 /* Lazy function call binding. */ - #define RTLD_NOW 0x00002 /* Immediate function call binding. */ --#if 0 /* uClibc doesnt support these */ --#define RTLD_BINDING_MASK 0x3 /* Mask of binding time value. */ -+#define RTLD_BINDING_MASK 0x3 /* Mask of binding time value. */ - #define RTLD_NOLOAD 0x00004 /* Do not load the object. */ -+#if 0 /* uClibc doesnt support these */ - #define RTLD_DEEPBIND 0x00008 /* Use deep binding. */ - #endif |