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-rw-r--r--gnu/packages/patches/ghostscript-CVE-2016-7976.patch185
1 files changed, 0 insertions, 185 deletions
diff --git a/gnu/packages/patches/ghostscript-CVE-2016-7976.patch b/gnu/packages/patches/ghostscript-CVE-2016-7976.patch
deleted file mode 100644
index 0a09f89016..0000000000
--- a/gnu/packages/patches/ghostscript-CVE-2016-7976.patch
+++ /dev/null
@@ -1,185 +0,0 @@
-The following patch was adapted for GNU Ghostscript
-by Mark H Weaver <mhw@netris.org> based on:
-
-http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=6d444c273da5499a4cd72f21cb6d4c9a5256807d
-
-From 6d444c273da5499a4cd72f21cb6d4c9a5256807d Mon Sep 17 00:00:00 2001
-From: Chris Liddell <chris.liddell@artifex.com>
-Date: Wed, 5 Oct 2016 09:55:55 +0100
-Subject: [PATCH] Bug 697178: Add a file permissions callback
-
-For the rare occasions when the graphics library directly opens a file
-(currently for reading), this allows us to apply any restrictions on
-file access normally applied in the interpteter.
----
- base/gsicc_manage.c | 10 ++++++----
- base/gslibctx.c | 12 +++++++++++-
- base/gslibctx.h | 7 +++++++
- psi/imain.c | 2 ++
- psi/int.mak | 2 +-
- psi/zfile.c | 19 +++++++++++++++++++
- psi/zfile.h | 7 +++++++
- 7 files changed, 53 insertions(+), 6 deletions(-)
-
-diff --git a/base/gsicc_manage.c b/base/gsicc_manage.c
-index 931c2a6..e9c09c3 100644
---- a/base/gsicc_manage.c
-+++ b/base/gsicc_manage.c
-@@ -1028,10 +1028,12 @@ gsicc_open_search(const char* pname, int namelen, gs_memory_t *mem_gc,
- }
-
- /* First just try it like it is */
-- str = sfopen(pname, "rb", mem_gc);
-- if (str != NULL) {
-- *strp = str;
-- return 0;
-+ if (gs_check_file_permission(mem_gc, pname, namelen, "r") >= 0) {
-+ str = sfopen(pname, "rb", mem_gc);
-+ if (str != NULL) {
-+ *strp = str;
-+ return 0;
-+ }
- }
-
- /* If that fails, try %rom% */ /* FIXME: Not sure this is needed or correct */
-diff --git a/base/gslibctx.c b/base/gslibctx.c
-index eaa0458..37ce1ca 100644
---- a/base/gslibctx.c
-+++ b/base/gslibctx.c
-@@ -121,7 +121,7 @@ int gs_lib_ctx_init( gs_memory_t *mem )
- mem->gs_lib_ctx = NULL;
- return -1;
- }
--
-+ pio->client_check_file_permission = NULL;
- gp_get_realtime(pio->real_time_0);
-
- return 0;
-@@ -262,3 +262,13 @@ void errflush(const gs_memory_t *mem)
- fflush(mem->gs_lib_ctx->fstderr);
- /* else nothing to flush */
- }
-+
-+int
-+gs_check_file_permission (gs_memory_t *mem, const char *fname, const int len, const char *permission)
-+{
-+ int code = 0;
-+ if (mem->gs_lib_ctx->client_check_file_permission != NULL) {
-+ code = mem->gs_lib_ctx->client_check_file_permission(mem, fname, len, permission);
-+ }
-+ return code;
-+}
-diff --git a/base/gslibctx.h b/base/gslibctx.h
-index 7a4e110..020e2d9 100644
---- a/base/gslibctx.h
-+++ b/base/gslibctx.h
-@@ -32,6 +32,9 @@ typedef struct gs_fapi_server_s gs_fapi_server;
- # define gs_font_dir_DEFINED
- typedef struct gs_font_dir_s gs_font_dir;
- #endif
-+
-+typedef int (*client_check_file_permission_t) (gs_memory_t *mem, const char *fname, const int len, const char *permission);
-+
- typedef struct gs_lib_ctx_s
- {
- gs_memory_t *memory; /* mem->gs_lib_ctx->memory == mem */
-@@ -59,6 +62,7 @@ typedef struct gs_lib_ctx_s
- bool dict_auto_expand; /* ps dictionary: false level 1 true level 2 or 3 */
- /* A table of local copies of the IODevices */
- struct gx_io_device_s **io_device_table;
-+ client_check_file_permission_t client_check_file_permission;
- /* Define the default value of AccurateScreens that affects setscreen
- and setcolorscreen. */
- bool screen_accurate_screens;
-@@ -108,6 +112,9 @@ int
- void gs_lib_ctx_set_icc_directory(const gs_memory_t *mem_gc, const char* pname,
- int dir_namelen);
-
-+int
-+gs_check_file_permission (gs_memory_t *mem, const char *fname, const int len, const char *permission);
-+
- #define IS_LIBCTX_STDOUT(mem, f) (f == mem->gs_lib_ctx->fstdout)
- #define IS_LIBCTX_STDERR(mem, f) (f == mem->gs_lib_ctx->fstderr)
-
-diff --git a/psi/imain.c b/psi/imain.c
-index 9a9bb5d..6874128 100644
---- a/psi/imain.c
-+++ b/psi/imain.c
-@@ -57,6 +57,7 @@
- #include "ivmspace.h"
- #include "idisp.h" /* for setting display device callback */
- #include "iplugin.h"
-+#include "zfile.h"
-
- #ifdef PACIFY_VALGRIND
- #include "valgrind.h"
-@@ -215,6 +216,7 @@ gs_main_init1(gs_main_instance * minst)
- "the_gs_name_table");
- if (code < 0)
- return code;
-+ mem->gs_lib_ctx->client_check_file_permission = z_check_file_permissions;
- }
- code = obj_init(&minst->i_ctx_p, &idmem); /* requires name_init */
- if (code < 0)
-diff --git a/psi/int.mak b/psi/int.mak
-index 4654afc..bb30d51 100644
---- a/psi/int.mak
-+++ b/psi/int.mak
-@@ -1868,7 +1868,7 @@ $(PSOBJ)imain.$(OBJ) : $(PSSRC)imain.c $(GH) $(memory__h) $(string__h)\
- $(ialloc_h) $(iconf_h) $(idebug_h) $(idict_h) $(idisp_h) $(iinit_h)\
- $(iname_h) $(interp_h) $(iplugin_h) $(isave_h) $(iscan_h) $(ivmspace_h)\
- $(iinit_h) $(main_h) $(oper_h) $(ostack_h)\
-- $(sfilter_h) $(store_h) $(stream_h) $(strimpl_h)
-+ $(sfilter_h) $(store_h) $(stream_h) $(strimpl_h) $(zfile_h)
- $(PSCC) $(PSO_)imain.$(OBJ) $(C_) $(PSSRC)imain.c
-
- #****** $(CCINT) interp.c
-diff --git a/psi/zfile.c b/psi/zfile.c
-index 2c6c958..2f27f82 100644
---- a/psi/zfile.c
-+++ b/psi/zfile.c
-@@ -197,6 +197,25 @@ check_file_permissions(i_ctx_t *i_ctx_p, const char *fname, int len,
- return check_file_permissions_reduced(i_ctx_p, fname_reduced, rlen, permitgroup);
- }
-
-+/* z_check_file_permissions: see zfile.h for explanation
-+ */
-+int
-+z_check_file_permissions(gs_memory_t *mem, const char *fname, const int len, const char *permission)
-+{
-+ i_ctx_t *i_ctx_p = get_minst_from_memory(mem)->i_ctx_p;
-+ gs_parsed_file_name_t pname;
-+ const char *permitgroup = permission[0] == 'r' ? "PermitFileReading" : "PermitFileWriting";
-+ int code = gs_parse_file_name(&pname, fname, len, imemory);
-+ if (code < 0)
-+ return code;
-+
-+ if (pname.iodev && i_ctx_p->LockFilePermissions && strcmp(pname.iodev->dname, "%pipe%") == 0)
-+ return e_invalidfileaccess;
-+
-+ code = check_file_permissions(i_ctx_p, fname, len, permitgroup);
-+ return code;
-+}
-+
- /* <name_string> <access_string> file <file> */
- int /* exported for zsysvm.c */
- zfile(i_ctx_t *i_ctx_p)
-diff --git a/psi/zfile.h b/psi/zfile.h
-index fdf1373..a9399c7 100644
---- a/psi/zfile.h
-+++ b/psi/zfile.h
-@@ -22,4 +22,11 @@
- int zopen_file(i_ctx_t *i_ctx_p, const gs_parsed_file_name_t *pfn,
- const char *file_access, stream **ps, gs_memory_t *mem);
-
-+/* z_check_file_permissions: a callback (via mem->gs_lib_ctx->client_check_file_permission)
-+ * to allow applying the above permissions checks when opening file(s) from
-+ * the graphics library
-+ */
-+int
-+z_check_file_permissions(gs_memory_t *mem, const char *fname,
-+ const int len, const char *permission);
- #endif
---
-2.9.1
-
generated by cgit v1.2.3 (git 2.45.2) at 2024-07-21 01:24:19 +0000