diff options
Diffstat (limited to 'elf')
| -rw-r--r-- | elf/ldconfig.c | 25 | ||||
| -rw-r--r-- | elf/tst-stackguard1.c | 8 |
2 files changed, 25 insertions, 8 deletions
diff --git a/elf/ldconfig.c b/elf/ldconfig.c index 78a0f0c2a8..4886645dfa 100644 --- a/elf/ldconfig.c +++ b/elf/ldconfig.c @@ -1020,17 +1020,19 @@ search_dirs (void) static void parse_conf_include (const char *config_file, unsigned int lineno, - bool do_chroot, const char *pattern); + const char *prefix, bool do_chroot, + const char *pattern); /* Parse configuration file. */ static void -parse_conf (const char *filename, bool do_chroot) +parse_conf (const char *filename, const char *prefix, bool do_chroot) { FILE *file = NULL; char *line = NULL; const char *canon; size_t len = 0; unsigned int lineno; + size_t prefix_len = prefix ? strlen (prefix) : 0; if (do_chroot && opt_chroot) { @@ -1091,7 +1093,14 @@ parse_conf (const char *filename, bool do_chroot) cp += 8; while ((dir = strsep (&cp, " \t")) != NULL) if (dir[0] != '\0') - parse_conf_include (filename, lineno, do_chroot, dir); + parse_conf_include (filename, lineno, prefix, do_chroot, dir); + } + else if (prefix != NULL) + { + size_t cp_len = strlen (cp); + char new_cp [prefix_len + cp_len + 1]; + memcpy (mempcpy (new_cp, prefix, prefix_len), cp, cp_len + 1); + add_dir (new_cp); } else if (!strncasecmp (cp, "hwcap", 5) && isblank (cp[5])) { @@ -1154,7 +1163,7 @@ parse_conf (const char *filename, bool do_chroot) config files to read. */ static void parse_conf_include (const char *config_file, unsigned int lineno, - bool do_chroot, const char *pattern) + const char *prefix, bool do_chroot, const char *pattern) { if (opt_chroot && pattern[0] != '/') error (EXIT_FAILURE, 0, @@ -1184,7 +1193,7 @@ parse_conf_include (const char *config_file, unsigned int lineno, { case 0: for (size_t i = 0; i < gl.gl_pathc; ++i) - parse_conf (gl.gl_pathv[i], false); + parse_conf (gl.gl_pathv[i], prefix, false); globfree64 (&gl); break; @@ -1227,6 +1236,8 @@ main (int argc, char **argv) /* Set the text message domain. */ textdomain (_libc_intl_domainname); + arch_startup (argc, argv); + /* Parse and process arguments. */ int remaining; argp_parse (&argp, argc, argv, 0, &remaining, NULL); @@ -1338,12 +1349,14 @@ main (int argc, char **argv) if (!opt_only_cline) { - parse_conf (config_file, true); + parse_conf (config_file, NULL, true); /* Always add the standard search paths. */ add_system_dir (SLIBDIR); if (strcmp (SLIBDIR, LIBDIR)) add_system_dir (LIBDIR); + + add_arch_dirs (config_file); } if (! opt_ignore_aux_cache) diff --git a/elf/tst-stackguard1.c b/elf/tst-stackguard1.c index 480f9297d0..50739e5b2e 100644 --- a/elf/tst-stackguard1.c +++ b/elf/tst-stackguard1.c @@ -160,17 +160,21 @@ do_test (void) the 16 runs, something is very wrong. */ int ndifferences = 0; int ndefaults = 0; + int npartlyrandomized = 0; for (i = 0; i < N; ++i) { if (child_stack_chk_guards[i] != child_stack_chk_guards[i+1]) ndifferences++; else if (child_stack_chk_guards[i] == default_guard) ndefaults++; + else if (*(char *) &child_stack_chk_guards[i] == 0) + npartlyrandomized++; } - printf ("differences %d defaults %d\n", ndifferences, ndefaults); + printf ("differences %d defaults %d partly randomized %d\n", + ndifferences, ndefaults, npartlyrandomized); - if (ndifferences < N / 2 && ndefaults < N / 2) + if ((ndifferences + ndefaults + npartlyrandomized) < 3 * N / 4) { puts ("stack guard canaries are not randomized enough"); puts ("nor equal to the default canary value"); |