d4b55888c2
Resolves: #2177753 - CVE-2023-25690 httpd: HTTP request splitting with mod_rewrite and mod_proxy
61 lines
1.6 KiB
Diff
61 lines
1.6 KiB
Diff
diff --git a/configure.in b/configure.in
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index 1e342bb..a3c994b 100644
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--- a/configure.in
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+++ b/configure.in
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@@ -530,6 +530,11 @@ getloadavg
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dnl confirm that a void pointer is large enough to store a long integer
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APACHE_CHECK_VOID_PTR_LEN
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+AC_CHECK_LIB(selinux, is_selinux_enabled, [
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+ AC_DEFINE(HAVE_SELINUX, 1, [Defined if SELinux is supported])
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+ APR_ADDTO(HTTPD_LIBS, [-lselinux])
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+])
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+
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AC_CACHE_CHECK([for gettid()], ac_cv_gettid,
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[AC_TRY_RUN(#define _GNU_SOURCE
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#include <unistd.h>
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diff --git a/server/core.c b/server/core.c
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index ca33d94..41e9bdc 100644
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--- a/server/core.c
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+++ b/server/core.c
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@@ -65,6 +65,10 @@
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#include <unistd.h>
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#endif
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+#ifdef HAVE_SELINUX
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+#include <selinux/selinux.h>
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+#endif
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+
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/* LimitRequestBody handling */
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#define AP_LIMIT_REQ_BODY_UNSET ((apr_off_t) -1)
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#define AP_DEFAULT_LIMIT_REQ_BODY ((apr_off_t) 1<<30) /* 1GB */
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@@ -5157,6 +5161,28 @@ static int core_post_config(apr_pool_t *pconf, apr_pool_t *plog, apr_pool_t *pte
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}
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#endif
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+#ifdef HAVE_SELINUX
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+ {
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+ static int already_warned = 0;
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+ int is_enabled = is_selinux_enabled() > 0;
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+
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+ if (is_enabled && !already_warned) {
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+ security_context_t con;
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+
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+ if (getcon(&con) == 0) {
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+
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+ ap_log_error(APLOG_MARK, APLOG_NOTICE, 0, NULL,
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+ "SELinux policy enabled; "
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+ "httpd running as context %s", con);
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+
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+ already_warned = 1;
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+
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+ freecon(con);
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+ }
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+ }
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+ }
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+#endif
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+
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return OK;
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}
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