arc4random() and associated functions can be found in libbsd on GNU/Linux systems.
Signed-off-by: Matthieu Herrb <[email protected]> --- Key.c | 10 ++++++++++ configure.ac | 3 ++- 2 files changed, 12 insertions(+), 1 deletion(-) diff --git Key.c Key.c index aa4add6..a09b316 100644 --- Key.c +++ Key.c @@ -32,6 +32,11 @@ in this Software without prior written authorization from The Open Group. #include <X11/Xmd.h> #include <X11/Xdmcp.h> +#ifdef HAVE_LIBBSD +#include <bsd/stdlib.h> /* for arc4random_buf() */ +#endif + +#ifndef HAVE_ARC4RANDOM_BUF static void getbits (long data, unsigned char *dst) { @@ -40,6 +45,7 @@ getbits (long data, unsigned char *dst) dst[2] = (data >> 16) & 0xff; dst[3] = (data >> 24) & 0xff; } +#endif #define Time_t time_t @@ -59,6 +65,7 @@ getbits (long data, unsigned char *dst) void XdmcpGenerateKey (XdmAuthKeyPtr key) { +#ifndef HAVE_ARC4RANDOM_BUF long lowbits, highbits; srandom ((int)getpid() ^ time((Time_t *)0)); @@ -66,6 +73,9 @@ XdmcpGenerateKey (XdmAuthKeyPtr key) highbits = random (); getbits (lowbits, key->data); getbits (highbits, key->data + 4); +#else + arc4random_buf(key->data, 8); +#endif } int diff --git configure.ac configure.ac index 08c046a..d8ddfae 100644 --- configure.ac +++ configure.ac @@ -53,7 +53,8 @@ AC_PROG_LN_S AC_SEARCH_LIBS([recvfrom],[socket]) # Checks for library functions. -AC_CHECK_FUNCS([srand48 lrand48]) +AC_CHECK_LIB([bsd], [arc4random_buf]) +AC_CHECK_FUNCS([srand48 lrand48 arc4random_buf]) # Obtain compiler/linker options for depedencies PKG_CHECK_MODULES(XDMCP, xproto) -- 1.8.3.1 _______________________________________________ [email protected]: X.Org development Archives: http://lists.x.org/archives/xorg-devel Info: http://lists.x.org/mailman/listinfo/xorg-devel
