- --- a/configure.ac
- +++ b/configure.ac
- @@ -912,6 +912,7 @@
-
- AC_CHECK_FUNCS([ecvt])
- AC_CHECK_FUNCS([fcvt])
- +AC_CHECK_FUNCS([getifaddrs getauxval issetugid __secure_getenv])
-
- AC_CHECK_FUNC([mkdtemp], [have_mkdtemp=yes])
-
- @@ -1121,10 +1122,13 @@
- ###
-
- 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 @@
- 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
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