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authorUlrich Drepper <drepper@redhat.com>1999-05-04 01:48:08 +0000
committerUlrich Drepper <drepper@redhat.com>1999-05-04 01:48:08 +0000
commit27aa0631c73ee805519f3ac078eaef460f1b4bc3 (patch)
treec269967b8d5031b224f88688237271d28d4b26d3 /elf
parent9f509acb28ecbebb1bf25069fd60219bc85971ac (diff)
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Update.
1999-05-04 Ulrich Drepper <drepper@cygnus.com> * elf/dl-load.c (expand_dynamic_string_token): Recognize { } around DST. Correctly ignore ORIGIN IN SUID binaries.
Diffstat (limited to 'elf')
-rw-r--r--elf/dl-load.c33
1 files changed, 22 insertions, 11 deletions
diff --git a/elf/dl-load.c b/elf/dl-load.c
index 05569edc9c..bdae4ba1da 100644
--- a/elf/dl-load.c
+++ b/elf/dl-load.c
@@ -171,10 +171,15 @@ expand_dynamic_string_token (struct link_map *l, const char *s)
size_t len = 1;
/* $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] == ':'))
+ 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] == ':'))
+ || (s[1] == '{'
+ && ((!__libc_enable_secure
+ && strncmp (&sf[2], "ORIGIN}", 7) == 0 && (len = 9) != 0)
+ || (strncmp (&sf[2], "PLATFORM}", 9) == 0
+ && (len = 11) != 0))))
++cnt;
st = sf + len;
@@ -220,13 +225,19 @@ expand_dynamic_string_token (struct link_map *l, const char *s)
const char *repl;
size_t len;
- 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] == ':'))
+ if ((((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] == ':'))
+ || (s[1] == '{'
+ && ((strncmp (&s[2], "ORIGIN}", 7) == 0 && (len = 9) != 0)
+ || (strncmp (&s[2], "PLATFORM}", 9) == 0
+ && (len = 11) != 0))))
{
- if ((repl = len == 7 ? l->l_origin : _dl_platform) != NULL
- && repl != (const char *) -1)
+ repl = ((len == 7 || s[2] == 'O')
+ ? (__libc_enable_secure ? NULL : l->l_origin)
+ : _dl_platform);
+
+ if (repl != NULL && repl != (const char *) -1)
{
wp = __stpcpy (wp, repl);
s += len;
@@ -242,7 +253,7 @@ expand_dynamic_string_token (struct link_map *l, const char *s)
}
}
else
- /* No SDK we recognize. */
+ /* No DST we recognize. */
*wp++ = *s++;
}
else if (*s == ':')