Package: capi4hylafax
Version: 1:01.03.00.99.svn.296
Severity: normal
*** Please type your report below this line ***
When reading an config file with empty lines c2faxrecv segfaults on
startup.
[EMAIL PROTECTED]:~/capi4hyla-01.03.00.99.svn.296-work-copy$ gdb --args
faxrecv/c2faxrecv -C ~/work/capi4hylafax-01.03.00.99.svn.296/config.faxCAPI
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This GDB was configured as "x86_64-linux"...Using host libthread_db library
"/lib/libthread_db.so.1".
(gdb) run
Starting program:
/home/glamus/capi4hyla-01.03.00.99.svn.296-work-copy/faxrecv/c2faxrecv -C
/home/glamus/work/capi4hylafax-01.03.00.99.svn.296/config.faxCAPI
The config file is
/home/glamus/work/capi4hylafax-01.03.00.99.svn.296/config.faxCAPI.
Program received signal SIGSEGV, Segmentation fault.
0x0000000000409298 in CDynamicString::GetLastChar (this=0x7fbffff3d0) at
CString.h:267
267 return pntr[GetLen() - 1];
(gdb) bt
#0 0x0000000000409298 in CDynamicString::GetLastChar (this=0x7fbffff3d0) at
CString.h:267
#1 0x0000000000426d80 in CConfigFileParser::ParseFile (this=0x7fbffff650,
FileHandle=0x53e200) at FilePars.cpp:70
#2 0x0000000000426c53 in CConfigFileParser::ParseFile (this=0x7fbffff650,
FileName=0x7fbffffb7d
"/home/glamus/work/capi4hylafax-01.03.00.99.svn.296/config.faxCAPI") at
FilePars.cpp:38
#3 0x000000000040a267 in CFaxReceiveMain::Config (this=0x7fbffff730,
CommandLineSpoolDir=0x0) at recvmain.cpp:221
#4 0x000000000040b42d in CFaxReceiveMain::main (this=0x7fbffff730, argc=3,
argv=0x7fbffff968) at recvmain.cpp:607
#5 0x000000000040b4fa in main (argc=3, argv=0x7fbffff968) at recvmain.cpp:633
(gdb) up
#1 0x0000000000426d80 in CConfigFileParser::ParseFile (this=0x7fbffff650,
FileHandle=0x53e200) at FilePars.cpp:70
70 } while ( (curLine.GetLastChar() == '\r')
(gdb) print curLine
$1 = {<CConstString> = {_vptr.CConstString = 0x42dab0, pntr = 0x53e440 "",
curLen = 0, maxSize = 100,
detectError = false}, <No data fields>}
(gdb) print szPartLine
$4 = "\n\000\000DIT THIS CONFIGURATION TO REFLECT YOUR
SETUP\n\000�\000\000\000\000\000\b\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000\000�225*\000\000\000\026\000\000\000\000\000\000\000�\225*\000\000\000\006\225*",
'\0' <repeats 27 times>,
"}\177\000\000\000\000�\000\000\000\000\000\221�\000\000\000\000\000}\177",
'\0' <repeats 19 times>,
"\001\000\000\000\000\000\000\000\217:\225*\000\000\000�\177\000\000\000"
(gdb) q
When using this patch this no longer happens:
--- capi4hylafax-01.03.00.99.svn.296.orig/src/standard/FilePars.cpp
+++ capi4hylafax-01.03.00.99.svn.296/src/standard/FilePars.cpp
case '\n':
do {
curLine.CutLen (1);
- } while ( (curLine.GetLastChar() == '\r')
- || (curLine.GetLastChar() == '\n'));
+ } while ( curLine.GetLen() &&
+ ( (curLine.GetLastChar() == '\r')
+ || (curLine.GetLastChar() == '\n')));
dprint ("ParseLine=(%s)\n", curLine.GetPointer());
fret = ParseLine (&curLine);
switch (fret) {
-- System Information:
Debian Release: 3.1
Architecture: amd64 (x86_64)
Kernel: Linux 2.6.8-11-amd64-generic
Locale: LANG=de_DE.UTF-8, LC_CTYPE=de_DE.UTF-8 (charmap=UTF-8)
Versions of packages capi4hylafax depends on:
ii capiutils 1:3.6.2005-01-03-5 Utilities for CAPI-capable ISDN ca
ii libc6 2.3.2.ds1-22 GNU C Library: Shared libraries an
ii libcapi20-2 1:3.6.2005-01-03-5 libraries for CAPI support
ii libgcc1 1:3.4.3-13 GCC support library
ii libstdc++6 3.4.3-13 The GNU Standard C++ Library v3
ii libtiff4 3.7.2-3 Tag Image File Format (TIFF) libra
ii zlib1g 1:1.2.2-4.sarge.2 compression library - runtime
-- no debconf information
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