diff options
| -rw-r--r-- | ChangeLog | 3 | ||||
| -rw-r--r-- | elf/dl-load.c | 7 |
2 files changed, 8 insertions, 2 deletions
@@ -1,5 +1,8 @@ 1999-05-03 Ulrich Drepper <drepper@cygnus.com> + * elf/dl-load.c (expand_dynamic_string_token): Don't expand + $ORIGIN for SUID binaries. + * sysdeps/unix/sysv/linux/arm/Dist: Add sigrestorer.S. 1999-05-02 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> diff --git a/elf/dl-load.c b/elf/dl-load.c index d9645e6..c1d1d7e 100644 --- a/elf/dl-load.c +++ b/elf/dl-load.c @@ -161,7 +161,9 @@ expand_dynamic_string_token (struct link_map *l, const char *s) { size_t len = 1; - if (((strncmp (&sf[1], "ORIGIN", 6) == 0 && (len = 7) != 0) + /* $ORIGIN is not expanded for SUID/GUID programs. */ + if (((!__libc_enable_secure + && strncmp (&sf[1], "ORIGIN", 6) == 0 && (len = 7) != 0) || (strncmp (&sf[1], "PLATFORM", 8) == 0 && (len = 9) != 0)) && (s[len] == '\0' || s[len] == '/' || s[len] == ':')) ++cnt; @@ -209,7 +211,8 @@ expand_dynamic_string_token (struct link_map *l, const char *s) const char *repl; size_t len; - if (((strncmp (&s[1], "ORIGIN", 6) == 0 && (len = 7) != 0) + if (((!__libc_enable_secure + && strncmp (&s[1], "ORIGIN", 6) == 0 && (len = 7) != 0) || (strncmp (&s[1], "PLATFORM", 8) == 0 && (len = 9) != 0)) && (s[len] == '\0' || s[len] == '/' || s[len] == ':')) { |