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Detect unencrypted DVDs and not try to auth them 

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@560 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
lgb 2001-04-21 15:28:19 +00:00
parent 9614ba33d6
commit 7897619e57
1 changed files with 7 additions and 2 deletions
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9
dvdauth.c
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@ -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);