| Commit message (Collapse) | Author | Age | Files | Lines |
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Detect error case where outwrite() incorrectly returns > count, so we can avoid
incrementing pr->ptr beyond bounds of array.
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This allows us to specify specific caller_handles for each
callback type rather than using a default one specified at
gs instance creation time. The old functions still work.
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(this is a squash of several commits from filesec branch)
Use errno to indicate invalidfileaccess
Integrate fontconfig with file access controls
fontconfig API has a call to retrieve all the directories about which fontconfig
knows, so we can get those, and add them to the paths from which we're permitted
to read.
Add (most of) the Postscript "managed" paths....
...to the access controls.
GenericResourceDir, ICCProfilesDir (reading) and temporary file directories for
read/write/control.
Add paths/files from C to the file access controls
The -I paths, environment variables and build time paths.
The command line specified output file, permit writing.
Lastly, the command line specified input file is added to the readable list,
interpreted, and then removed from the list.
Add the FONTPATH path list to permit read access control list.
I opted to do this in Postscript because the list is (normally) a colon
separated list of paths, which we split into an array of paths (in Postscript) -
it seems sensible to do this only once, both for storage and permissions.
Add a non-standard string 'reverse search" operator
The search operator searches for the first occurrence of a character code in a
string (i.e. searches forwards from the start of the string), 'rsearch' finds
the last instance of a character code (i.e. search backwards from the end of
the string).
Fix gp_open_scratch_file_rm for access permissions
i.e. the same as gp_open_scratch_file
Handle clist file 'rewind' failures
'Rewinding' clist files may involved closing and recreating the temporary files,
which conceivably can fail, but the clist procs rewind method was a void
function, so couldn't return an error.
It now can, and does return an error, and we handle the error.
Add file permissions support for piped output.
Paths from Fontmap to PermitReading list
cidfmap paths, add to PermitReading list
Add command line options for path access control addition
--permit-file-read
--permit-file-write
--permit-file-control
--permit-file-all
They all take a separated list of paths (the usual platform specific ':' or ';'
separator), and to the respective access control lists - the final 'all' option
adds the paths to all the control lists.
Add file access control to the 'gp_stat' method.
This is complicated by the need to add the memory allocator context to the
gp_stat parameters. To facilitate this, I've added a gs_memory_t pointer to the
gx_io_device structure, which is set during the io device initialisation at
startup.
mkromfs: Add dummy gp_stat_impl for Windows - saves quite a bit of pointless
build upheaval
Add file access protection to file enumeration.
The low level implementation of Postscript's filenameforall (*_enumerate_files)
needs to also honour file access protection.
This is has been complicated by requiring a gs_memory_t to be available where
it wasn't previously (in order to access the gs_lib_ctx and the file permissions
lists therein).
Temp
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This commit is a squashed version of the gpdl-shared-device
branch. Essentially this is a first version of the new
language switching mechanism.
This does not build as part as "all", but rather as "experimental"
or "gpdl".
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This has fallen out of usage to the degree where the non-C callbacks
based version hasn't even built for years (since at least 2006, by
my git archaeology). Just strip it out completely.
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Also update copyright dates.
Remove gs_cmdl.ps as we no longer use it, and remove its entry from
psfiles.htm.
Remove xfonts.htm as this feature (xfont support) is long, long gone.
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This is slightly complicated as (in the Ghostscript case) the table can be
freed explicitly, or by the garbager.
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Follow-on from commit 4b101952d81a5899972f81f7b18ef3becd5bd45e
There are several places that set, and check the value of file_limit for
streams. Ensure they all use the requisite value whether the gs_offset_t is
64 bit (normal) or 32 bit (abnormal).
To make it easier, and more consistent, pull the logic out into a macro.
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Squashed into one commit (see branch for details of the evolution of the
branch).
This brings gpcl6 and gxps into the Ghostscript build system, and a shared
set of graphics library object files for all the interpreters.
Also, brings the same configuration options to the pcl and xps products as we
have for Ghostscript.
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