From 7897619e5759ddf63db1710fb2d5f6f821be2fc6 Mon Sep 17 00:00:00 2001 From: lgb Date: Sat, 21 Apr 2001 15:28:19 +0000 Subject: Detect unencrypted DVDs and not try to auth them git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@560 b3059339-0415-0410-9bf9-f77b7e298cf2 --- dvdauth.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/dvdauth.c b/dvdauth.c index cd3dcb94aa..6990fef643 100644 --- a/dvdauth.c +++ b/dvdauth.c @@ -1,5 +1,5 @@ /* (C)2001 by LGB (Gabor Lenart), based on example programs in libcss - Some TODO: root privilegies really needed?? */ + lgb@lgb.hu */ /* don't do anything with this source if css support was not requested */ #include "config.h" @@ -86,17 +86,22 @@ int dvd_import_key ( unsigned char *hexkey ) } + int dvd_auth ( char *dev , int fd ) { int devfd; /* FD of DVD device */ int lba; -// printf("DVD: auth fd=%d on %s.\n",fd,dev); if ((devfd=open(dev,O_RDONLY))<0) { fprintf(stderr,"DVD: cannot open DVD device \"%s\".\n",dev); return 1; } + + if (!CSSisEncrypted(devfd)) { + printf("DVD is unencrypted! Skipping authentication!\n(note: you should not use -dvd switch for unencrypted discs!)\n"); + return 0; + } else printf("DVD is encrypted, issuing authentication ...\n"); /* reset AGIDs */ reset_agids(devfd); -- cgit v1.2.3