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Fixed handling improper buffer lengths in the EIT parser

This commit is contained in:
Klaus Schmidinger 2002-01-29 22:08:52 +01:00
parent 7b475c6f96
commit 7803f04b8e
5 changed files with 18 additions and 12 deletions
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1
CONTRIBUTORS
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@ -57,6 +57,7 @@ Alberto Carraro <bertocar@tin.it>
Deti Fliegl <deti@fliegl.de> Deti Fliegl <deti@fliegl.de>
for implementing the 'CurrentChannel' setup parameter for implementing the 'CurrentChannel' setup parameter
for fixing setting the OSD size in the 'Confirm' interface call for fixing setting the OSD size in the 'Confirm' interface call
for fixing handling improper buffer lengths in the EIT parser
Dave Chapman <dave@dchapman.com> Dave Chapman <dave@dchapman.com>
for implementing support for the teletext PID for implementing support for the teletext PID

5
HISTORY
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@ -921,3 +921,8 @@ Video Disk Recorder Revision History
- Status messages are now displayed centered. - Status messages are now displayed centered.
- Removed the 'Tools' subdirectory from the VDR archive. All contributed tools - Removed the 'Tools' subdirectory from the VDR archive. All contributed tools
can now be found at ftp://ftp.cadsoft.de/pub/people/kls/vdr/Tools. can now be found at ftp://ftp.cadsoft.de/pub/people/kls/vdr/Tools.
2002-01-29: Version 0.99pre3
- Fixed handling improper buffer lengths in the EIT parser (thanks to Deti
Fliegl).

4
config.h
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@ -4,7 +4,7 @@
* See the main source file 'vdr.c' for copyright information and * See the main source file 'vdr.c' for copyright information and
* how to reach the author. * how to reach the author.
* *
* $Id: config.h 1.88 2002/01/19 16:06:53 kls Exp $ * $Id: config.h 1.89 2002/01/29 21:53:32 kls Exp $
*/ */
#ifndef __CONFIG_H #ifndef __CONFIG_H
@ -18,7 +18,7 @@
#include "eit.h" #include "eit.h"
#include "tools.h" #include "tools.h"
#define VDRVERSION "0.99pre2" #define VDRVERSION "0.99pre3"
#define MAXPRIORITY 99 #define MAXPRIORITY 99
#define MAXLIFETIME 99 #define MAXLIFETIME 99

4
libdtv/libsi/include/libsi.h
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@ -946,9 +946,9 @@ struct Pid *siParsePMT (u_char *);
struct LIST *siParseSDT (u_char *); struct LIST *siParseSDT (u_char *);
struct LIST *siParseEIT (u_char *); struct LIST *siParseEIT (u_char *);
time_t siParseTDT (u_char *); time_t siParseTDT (u_char *);
void siParseDescriptors (struct LIST *, u_char *, u_int, u_char); void siParseDescriptors (struct LIST *, u_char *, int, u_char);
void siParseDescriptor (struct LIST *, u_char *); void siParseDescriptor (struct LIST *, u_char *);
char *siGetDescriptorText (u_char *, u_int); char *siGetDescriptorText (u_char *, int);
u_long crc32 (char *data, int len); u_long crc32 (char *data, int len);
/* si_debug_services.c */ /* si_debug_services.c */

16
libdtv/libsi/si_parser.c
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@ -40,7 +40,7 @@ struct LIST *siParsePAT (u_char *Buffer)
pat_t *Pat; pat_t *Pat;
pat_prog_t *PatProgram; pat_prog_t *PatProgram;
u_char *Ptr; u_char *Ptr;
u_int SectionLength; int SectionLength;
int TransportStreamID; int TransportStreamID;
int PatVersion; int PatVersion;
struct Program *Program; struct Program *Program;
@ -87,7 +87,7 @@ struct Pid *siParsePMT (u_char *Buffer)
pmt_t *Pmt; pmt_t *Pmt;
pmt_info_t *PmtInfo; pmt_info_t *PmtInfo;
u_char *Ptr; u_char *Ptr;
u_int SectionLength, ProgramInfoLength, int SectionLength, ProgramInfoLength,
StreamLength, LoopLength; StreamLength, LoopLength;
int ProgramID; int ProgramID;
int PcrID; int PcrID;
@ -150,7 +150,7 @@ struct LIST *siParseSDT (u_char *Buffer)
sdt_t *Sdt; sdt_t *Sdt;
sdt_descr_t *SdtDescriptor; sdt_descr_t *SdtDescriptor;
u_char *Ptr; u_char *Ptr;
u_int SectionLength, LoopLength; int SectionLength, LoopLength;
int TransportStreamID; int TransportStreamID;
int SdtVersion; int SdtVersion;
int OriginalNetworkID; int OriginalNetworkID;
@ -229,7 +229,7 @@ struct LIST *siParseEIT (u_char *Buffer)
eit_t *Eit; eit_t *Eit;
eit_event_t *EitEvent; eit_event_t *EitEvent;
u_char *Ptr; u_char *Ptr;
u_int SectionLength, LoopLength; int SectionLength, LoopLength;
int ServiceID; int ServiceID;
int EitVersion; int EitVersion;
int TransportStreamID; int TransportStreamID;
@ -316,7 +316,7 @@ time_t siParseTDT (u_char *Buffer)
{ {
tdt_t *Tdt; tdt_t *Tdt;
u_char *Ptr; u_char *Ptr;
u_int SectionLength; int SectionLength;
int TdtVersion; int TdtVersion;
time_t CurrentTime; time_t CurrentTime;
@ -339,9 +339,9 @@ time_t siParseTDT (u_char *Buffer)
void siParseDescriptors (struct LIST *Descriptors, u_char *Buffer, void siParseDescriptors (struct LIST *Descriptors, u_char *Buffer,
u_int Length, u_char TableID) int Length, u_char TableID)
{ {
u_int DescriptorLength; int DescriptorLength;
u_char *Ptr; u_char *Ptr;
DescriptorLength = 0; DescriptorLength = 0;
@ -838,7 +838,7 @@ void siParseDescriptor (struct LIST *Descriptors, u_char *Buffer)
/* /*
* ToDo: ETSI conformal text definition * ToDo: ETSI conformal text definition
*/ */
char *siGetDescriptorText (u_char *Buffer, u_int Length) char *siGetDescriptorText (u_char *Buffer, int Length)
{ {
char *tmp, *result; char *tmp, *result;
int i; int i;