diff options
Diffstat (limited to 'libmpdvdkit2/ioctl.c')
| -rw-r--r-- | libmpdvdkit2/ioctl.c | 73 |
1 files changed, 62 insertions, 11 deletions
diff --git a/libmpdvdkit2/ioctl.c b/libmpdvdkit2/ioctl.c index 4e66bfaab6..9a88d0cbcf 100644 --- a/libmpdvdkit2/ioctl.c +++ b/libmpdvdkit2/ioctl.c @@ -76,10 +76,12 @@ # include <sys/scsi.h> #endif #ifdef SOLARIS_USCSI +# include <dlfcn.h> # include <unistd.h> # include <stropts.h> # include <sys/scsi/scsi_types.h> # include <sys/scsi/impl/uscsi.h> +# include <sys/smedia.h> #endif #ifdef DARWIN_DVD_IOCTL # include <IOKit/storage/IODVDMediaBSDClient.h> @@ -112,6 +114,7 @@ static void HPUXInitSCTL ( struct sctl_io *sctl_io, int i_type ); *****************************************************************************/ #if defined( SOLARIS_USCSI ) static void SolarisInitUSCSI( struct uscsi_cmd *p_sc, int i_type ); +static int SolarisSendUSCSI( int fd, struct uscsi_cmd *p_sc ); #endif /***************************************************************************** @@ -191,7 +194,7 @@ int ioctl_ReadCopyright( int i_fd, int i_layer, int *pi_copyright ) rs_cdb.cdb_opaque[ 6 ] = i_layer; rs_cdb.cdb_opaque[ 7 ] = DVD_STRUCT_COPYRIGHT; - i_ret = ioctl(i_fd, USCSICMD, &sc); + i_ret = SolarisSendUSCSI(i_fd, &sc); if( i_ret < 0 || sc.uscsi_status ) { i_ret = -1; @@ -363,7 +366,7 @@ int ioctl_ReadDiscKey( int i_fd, int *pi_agid, u8 *p_key ) rs_cdb.cdb_opaque[ 7 ] = DVD_STRUCT_DISCKEY; rs_cdb.cdb_opaque[ 10 ] = *pi_agid << 6; - i_ret = ioctl( i_fd, USCSICMD, &sc ); + i_ret = SolarisSendUSCSI( i_fd, &sc ); if( i_ret < 0 || sc.uscsi_status ) { @@ -525,7 +528,7 @@ int ioctl_ReadTitleKey( int i_fd, int *pi_agid, int i_pos, u8 *p_key ) rs_cdb.cdb_opaque[ 5 ] = ( i_pos ) & 0xff; rs_cdb.cdb_opaque[ 10 ] = DVD_REPORT_TITLE_KEY | (*pi_agid << 6); - i_ret = ioctl( i_fd, USCSICMD, &sc ); + i_ret = SolarisSendUSCSI( i_fd, &sc ); if( i_ret < 0 || sc.uscsi_status ) { @@ -676,7 +679,7 @@ int ioctl_ReportAgid( int i_fd, int *pi_agid ) rs_cdb.cdb_opaque[ 10 ] = DVD_REPORT_AGID | (*pi_agid << 6); - i_ret = ioctl( i_fd, USCSICMD, &sc ); + i_ret = SolarisSendUSCSI( i_fd, &sc ); if( i_ret < 0 || sc.uscsi_status ) { @@ -798,7 +801,7 @@ int ioctl_ReportChallenge( int i_fd, int *pi_agid, u8 *p_challenge ) rs_cdb.cdb_opaque[ 10 ] = DVD_REPORT_CHALLENGE | (*pi_agid << 6); - i_ret = ioctl( i_fd, USCSICMD, &sc ); + i_ret = SolarisSendUSCSI( i_fd, &sc ); if( i_ret < 0 || sc.uscsi_status ) { @@ -932,7 +935,7 @@ int ioctl_ReportASF( int i_fd, int *pi_remove_me, int *pi_asf ) rs_cdb.cdb_opaque[ 10 ] = DVD_REPORT_ASF; - i_ret = ioctl( i_fd, USCSICMD, &sc ); + i_ret = SolarisSendUSCSI( i_fd, &sc ); if( i_ret < 0 || sc.uscsi_status ) { @@ -1065,7 +1068,7 @@ int ioctl_ReportKey1( int i_fd, int *pi_agid, u8 *p_key ) rs_cdb.cdb_opaque[ 10 ] = DVD_REPORT_KEY1 | (*pi_agid << 6); - i_ret = ioctl( i_fd, USCSICMD, &sc ); + i_ret = SolarisSendUSCSI( i_fd, &sc ); if( i_ret < 0 || sc.uscsi_status ) { @@ -1186,7 +1189,7 @@ int ioctl_InvalidateAgid( int i_fd, int *pi_agid ) rs_cdb.cdb_opaque[ 10 ] = DVD_INVALIDATE_AGID | (*pi_agid << 6); - i_ret = ioctl( i_fd, USCSICMD, &sc ); + i_ret = SolarisSendUSCSI( i_fd, &sc ); if( i_ret < 0 || sc.uscsi_status ) { @@ -1310,7 +1313,7 @@ int ioctl_SendChallenge( int i_fd, int *pi_agid, u8 *p_challenge ) p_buffer[ 1 ] = 0xe; memcpy( p_buffer + 4, p_challenge, DVD_CHALLENGE_SIZE ); - if( ioctl( i_fd, USCSICMD, &sc ) < 0 || sc.uscsi_status ) + if( SolarisSendUSCSI( i_fd, &sc ) < 0 || sc.uscsi_status ) { return -1; } @@ -1447,7 +1450,7 @@ int ioctl_SendKey2( int i_fd, int *pi_agid, u8 *p_key ) p_buffer[ 1 ] = 0xa; memcpy( p_buffer + 4, p_key, DVD_KEY_SIZE ); - if( ioctl( i_fd, USCSICMD, &sc ) < 0 || sc.uscsi_status ) + if( SolarisSendUSCSI( i_fd, &sc ) < 0 || sc.uscsi_status ) { return -1; } @@ -1589,7 +1592,7 @@ int ioctl_ReportRPC( int i_fd, int *p_type, int *p_mask, int *p_scheme ) rs_cdb.cdb_opaque[ 10 ] = DVD_REPORT_RPC; - i_ret = ioctl( i_fd, USCSICMD, &sc ); + i_ret = SolarisSendUSCSI( i_fd, &sc ); if( i_ret < 0 || sc.uscsi_status ) { @@ -1787,6 +1790,54 @@ static void SolarisInitUSCSI( struct uscsi_cmd *p_sc, int i_type ) USCSI_TIMEOUT( p_sc, 15 ); } + +/***************************************************************************** + * SolarisSendUSCSI: send a USCSICMD structure to the Solaris kernel + * for execution + ***************************************************************************** + * When available, this function uses the function smedia_uscsi_cmd() + * from solaris' libsmedia library (solaris 9 or newer) to execute the + * USCSI command. smedia_uscsi_cmd() allows USCSI commands for + * non-root users on removable media devices on solaris 9; sending the + * USCSI command directly to the device using the USCSICMD ioctl fails + * with an EPERM error on solaris 9. + * + * The code will fall back to the USCSICMD ioctl method, when + * libsmedia.so is not available or does not export the + * smedia_uscsi_cmd() function (on solaris releases upto and including + * solaris 8). Fortunatelly, on these old releases non-root users are + * allowed to perform USCSICMD ioctls on removable media devices. + *****************************************************************************/ +static int SolarisSendUSCSI( int i_fd, struct uscsi_cmd *p_sc ) { + void *sm_hdl; + static int initialized; + static void* (*sm_get_handle)(int32_t); + static int (*sm_release_handle)(void*); + static int (*sm_uscsi_cmd)(void*, struct uscsi_cmd *); + + if (!initialized) + { + void *smedia_lib; + + smedia_lib = dlopen("libsmedia.so", RTLD_NOW); + if (smedia_lib) { + sm_get_handle = dlsym(smedia_lib, "smedia_get_handle"); + sm_release_handle = dlsym(smedia_lib, "smedia_release_handle"); + sm_uscsi_cmd = dlsym(smedia_lib, "smedia_uscsi_cmd"); + } + initialized = 1; + } + + if (sm_get_handle && sm_uscsi_cmd && sm_release_handle + && (sm_hdl = sm_get_handle(i_fd))) + { + int i_ret = sm_uscsi_cmd(sm_hdl, p_sc); + sm_release_handle(sm_hdl); + return i_ret; + } + + return ioctl( i_fd, USCSICMD, p_sc ); +} #endif #if defined( WIN32 ) |