--- ./elf/dl-load.c.orig 2010-07-27 06:34:39.000000000 -0500 +++ ./elf/dl-load.c 2010-10-19 12:30:16.366002034 -0500 @@ -169,8 +169,7 @@ static size_t -is_dst (const char *start, const char *name, const char *str, - int is_path, int secure) +is_dst (const char *start, const char *name, const char *str, int is_path) { size_t len; bool is_curly = false; @@ -199,11 +198,6 @@ && (!is_path || name[len] != ':')) return 0; - if (__builtin_expect (secure, 0) - && ((name[len] != '\0' && (!is_path || name[len] != ':')) - || (name != start + 1 && (!is_path || name[-2] != ':')))) - return 0; - return len; } @@ -218,13 +212,12 @@ { size_t len; - /* $ORIGIN is not expanded for SUID/GUID programs (except if it - is $ORIGIN alone) and it must always appear first in path. */ + /* $ORIGIN is not expanded for SUID/GUID programs. */ ++name; - if ((len = is_dst (start, name, "ORIGIN", is_path, - INTUSE(__libc_enable_secure))) != 0 - || (len = is_dst (start, name, "PLATFORM", is_path, 0)) != 0 - || (len = is_dst (start, name, "LIB", is_path, 0)) != 0) + if (((len = is_dst (start, name, "ORIGIN", is_path)) != 0 + && !INTUSE(__libc_enable_secure)) + || (len = is_dst (start, name, "PLATFORM", is_path)) != 0 + || (len = is_dst (start, name, "LIB", is_path)) != 0) ++cnt; name = strchr (name + len, '$'); @@ -256,9 +249,12 @@ size_t len; ++name; - if ((len = is_dst (start, name, "ORIGIN", is_path, - INTUSE(__libc_enable_secure))) != 0) + if ((len = is_dst (start, name, "ORIGIN", is_path)) != 0) { + /* Ignore this path element in SUID/SGID programs. */ + if (INTUSE(__libc_enable_secure)) + repl = (const char *) -1; + else #ifndef SHARED if (l == NULL) repl = _dl_get_origin (); @@ -266,9 +262,9 @@ #endif repl = l->l_origin; } - else if ((len = is_dst (start, name, "PLATFORM", is_path, 0)) != 0) + else if ((len = is_dst (start, name, "PLATFORM", is_path)) != 0) repl = GLRO(dl_platform); - else if ((len = is_dst (start, name, "LIB", is_path, 0)) != 0) + else if ((len = is_dst (start, name, "LIB", is_path)) != 0) repl = DL_DST_LIB; if (repl != NULL && repl != (const char *) -1)