You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

102 lines
2.8 KiB

--- a/configure.ac
+++ b/configure.ac
@@ -923,6 +923,7 @@ 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])
@@ -1132,10 +1133,13 @@ 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