--- a/configure.ac
|
|
+++ b/configure.ac
|
|
@@ -940,6 +940,7 @@ AC_CHECK_FUNCS(
|
|
|
|
AC_CHECK_FUNCS([ecvt])
|
|
AC_CHECK_FUNCS([fcvt])
|
|
+AC_CHECK_FUNCS([getifaddrs getauxval issetugid __secure_getenv])
|
|
|
|
AC_CHECK_FUNC([mkdtemp], [have_mkdtemp=yes])
|
|
|
|
@@ -1149,10 +1150,13 @@ fi
|
|
###
|
|
|
|
AC_CHECK_HEADERS([crypt.h])
|
|
+AC_CHECK_HEADERS([ifaddrs.h])
|
|
AC_CHECK_HEADERS([inttypes.h])
|
|
AC_CHECK_HEADERS([stdint.h])
|
|
AC_CHECK_HEADERS([stdlib.h])
|
|
AC_CHECK_HEADERS([wchar.h])
|
|
+AC_CHECK_HEADERS([net/if.h])
|
|
+AC_CHECK_HEADERS([sys/auxv.h])
|
|
AC_CHECK_HEADERS([sys/inttypes.h])
|
|
AC_CHECK_HEADERS([sys/io.h])
|
|
AC_CHECK_HEADERS([sys/param.h]) # Required to make the sys/user.h check work correctly on FreeBSD
|
|
--- a/lib/misc/idLinux.c
|
|
+++ b/lib/misc/idLinux.c
|
|
@@ -27,12 +27,9 @@
|
|
#include <sys/syscall.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
-#ifdef __linux__
|
|
-#if defined(__GLIBC__) && \
|
|
- (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 16))
|
|
+#ifdef HAVE_SYS_AUXV_H
|
|
#include <sys/auxv.h>
|
|
#endif
|
|
-#endif
|
|
#ifdef __APPLE__
|
|
#include <sys/socket.h>
|
|
#include <TargetConditionals.h>
|
|
@@ -1025,31 +1022,32 @@ Id_EndSuperUser(uid_t uid) // IN:
|
|
static Bool
|
|
IdIsSetUGid(void)
|
|
{
|
|
-#if defined(__ANDROID__)
|
|
- /* Android does not have a secure_getenv, so be conservative. */
|
|
- return TRUE;
|
|
-#else
|
|
/*
|
|
* We use __secure_getenv, which returns NULL if the binary is
|
|
- * setuid or setgid. Alternatives include,
|
|
+ * setuid or setgid, when issetugid or getauxval(AT_SECURE) is not
|
|
+ * available. Alternatives include,
|
|
*
|
|
- * a) getauxval(AT_SECURE); not available until glibc 2.16.
|
|
- * b) __libc_enable_secure; may not be exported.
|
|
+ * a) issetugid(); not (yet?) available in glibc.
|
|
+ * b) getauxval(AT_SECURE); not available until glibc 2.16.
|
|
+ * c) __libc_enable_secure; may not be exported.
|
|
*
|
|
- * Use (a) when we are based on glibc 2.16, or newer.
|
|
+ * Use (b) when we are based on glibc 2.16, or newer.
|
|
*/
|
|
|
|
-#if defined(__GLIBC__) && \
|
|
- (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 16))
|
|
+#if HAVE_ISSETUGID
|
|
+ return issetugid();
|
|
+#elif HAVE_GETAUXVAL
|
|
return getauxval(AT_SECURE) != 0;
|
|
-#else
|
|
+#elif HAVE___SECURE_GETENV
|
|
static const char envName[] = "VMW_SETUGID_TEST";
|
|
|
|
if (setenv(envName, "1", TRUE) == -1) {
|
|
return TRUE; /* Conservative */
|
|
}
|
|
return __secure_getenv(envName) == NULL;
|
|
-#endif
|
|
+#else
|
|
+ /* Android does not have a secure_getenv, so be conservative. */
|
|
+ return TRUE;
|
|
#endif
|
|
}
|
|
#endif
|
|
--- a/lib/nicInfo/nicInfoPosix.c
|
|
+++ b/lib/nicInfo/nicInfoPosix.c
|
|
@@ -35,9 +35,13 @@
|
|
#include <sys/stat.h>
|
|
#include <errno.h>
|
|
#include <limits.h>
|
|
-#if defined(__FreeBSD__) || defined(__APPLE__)
|
|
+#if HAVE_SYS_SYSCTL_H
|
|
# include <sys/sysctl.h>
|
|
+#endif
|
|
+#if HAVE_IFADDRS_H
|
|
# include <ifaddrs.h>
|
|
+#endif
|
|
+#if HAVE_NET_IF_H
|
|
# include <net/if.h>
|
|
#endif
|
|
#ifndef NO_DNET
|