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gentoo/dev-libs/xmlrpc-c/files/xmlrpc-c-1.59.03-use-system-expat.patch
Sebastian Pipping 61b6130343
dev-libs/xmlrpc-c: Unbundle dev-libs/expat 
Bug: https://bugs.gentoo.org/952113
Signed-off-by: Sebastian Pipping <sping@gentoo.org>
2025-04-06 04:13:19 +02:00

230 lines
7.4 KiB
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From 5d276a95a6953c51ed4fd20cabc6eab3808755e5 Mon Sep 17 00:00:00 2001
From: Sebastian Pipping <sebastian@pipping.org>
Date: Sun, 6 Apr 2025 02:19:15 +0200
Subject: [PATCH] Use system libexpat rather than bundled lib/expat/ for
security
---
common.mk | 31 +------------------------------
config.mk.in | 1 +
lib/Makefile | 3 ---
src/Makefile | 8 +++-----
src/cpp/Makefile | 6 ++----
src/xmlrpc_expat.c | 18 ++++++++++--------
xmlrpc-c-config.test.main | 6 ++----
7 files changed, 19 insertions(+), 54 deletions(-)
diff --git a/common.mk b/common.mk
index e6e79a0..4f8b8b7 100644
--- a/common.mk
+++ b/common.mk
@@ -216,22 +216,6 @@ LIBXMLRPC_SERVER_CGI_A = $(BLDDIR)/src/libxmlrpc_server_cgi.a
endif
-LIBXMLRPC_XMLTOK_DIR = $(BLDDIR)/lib/expat/xmltok
-
-ifneq ($(OMIT_XMLTOK_LIB_RULE),Y)
-LIBXMLRPC_XMLTOK = \
- $(call shliblefn, $(LIBXMLRPC_XMLTOK_DIR)/libxmlrpc_xmltok)
-LIBXMLRPC_XMLTOK_A = $(LIBXMLRPC_XMLTOK_DIR)/libxmlrpc_xmltok.a
-endif
-
-LIBXMLRPC_XMLPARSE_DIR = $(BLDDIR)/lib/expat/xmlparse
-
-ifneq ($(OMIT_XMLPARSE_LIB_RULE),Y)
-LIBXMLRPC_XMLPARSE = \
- $(call shliblefn, $(LIBXMLRPC_XMLPARSE_DIR)/libxmlrpc_xmlparse)
-LIBXMLRPC_XMLPARSE_A = $(LIBXMLRPC_XMLPARSE_DIR)/libxmlrpc_xmlparse.a
-endif
-
LIBXMLRPC_ABYSS_DIR = $(BLDDIR)/lib/abyss/src
ifneq ($(OMIT_ABYSS_LIB_RULE),Y)
@@ -270,16 +254,11 @@ LIBXMLRPC_SERVER_PSTREAMPP = \
$(call shliblefn, $(BLDDIR)/src/cpp/libxmlrpc_server_pstream++)
LIBXMLRPC_SERVER_PSTREAMPP_A = $(BLDDIR)/src/cpp/libxmlrpc_server_pstream++.a
-# LIBXMLRPC_XML is the list of Xmlrpc-c libraries we need to parse
-# XML. If we're using an external library to parse XML, this is null.
# LDLIBS_XML is the corresponding -L/-l options
ifneq ($(ENABLE_LIBXML2_BACKEND),yes)
# We're using the internal Expat XML parser
- LIBXMLRPC_XML = $(LIBXMLRPC_XMLPARSE) $(LIBXMLRPC_XMLTOK)
- LDLIBS_XML = \
- -L$(BLDDIR)/lib/expat/xmlparse -lxmlrpc_xmlparse \
- -L$(BLDDIR)/lib/expat/xmltok -lxmlrpc_xmltok
+ LDLIBS_XML = $(shell $(PKG_CONFIG) --libs expat)
else
LDLIBS_XML = $(shell xml2-config --libs)
endif
@@ -472,14 +451,6 @@ $(LIBXMLRPC_UTILPP) $(LIBXMLRPC_UTILPP_A) : FORCE
$(MAKE) -C $(dir $@) -f $(SRCDIR)/lib/libutil++/Makefile \
$(notdir $@)
-$(LIBXMLRPC_XMLPARSE) $(LIBXMLRPC_XMLPARSE_A) : FORCE
- $(MAKE) -C $(dir $@) -f $(SRCDIR)/lib/expat/xmlparse/Makefile \
- $(notdir $@)
-
-$(LIBXMLRPC_XMLTOK) $(LIBXMLRPC_XMLTOK_A) : FORCE
- $(MAKE) -C $(dir $@) -f $(SRCDIR)/lib/expat/xmltok/Makefile \
- $(notdir $@)
-
$(LIBXMLRPC_ABYSS) $(LIBXMLRPC_ABYSS_A): FORCE
$(MAKE) -C $(dir $@) -f $(SRCDIR)/lib/abyss/src/Makefile \
$(notdir $@)
diff --git a/config.mk.in b/config.mk.in
index 725c063..5251c85 100644
--- a/config.mk.in
+++ b/config.mk.in
@@ -52,6 +52,7 @@ CXX = @CXX@
CCLD = $(CC)
CXXLD = $(CXX)
AR = @AR@
+PKG_CONFIG = pkg-config
RANLIB = @RANLIB@
LN_S = ln -s
INSTALL = $(SRCDIR)/install-sh
diff --git a/lib/Makefile b/lib/Makefile
index c0e7889..b573ed5 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -28,9 +28,6 @@ endif
ifeq ($(MUST_BUILD_LIBWWW_CLIENT),yes)
SUBDIRS += libwww_transport
endif
-ifneq ($(ENABLE_LIBXML2_BACKEND),yes)
- SUBDIRS += expat
-endif
ifeq ($(HAVE_OPENSSL),Y)
SUBDIRS += openssl
diff --git a/src/Makefile b/src/Makefile
index acd04dd..75ffafb 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -73,10 +73,8 @@ ifeq ($(ENABLE_LIBXML2_BACKEND),yes)
XML_PKGCONFIG_REQ = libxml-2.0
else
XMLRPC_XML_PARSER = xmlrpc_expat
- XML_PARSER_LIBDEP = \
- -Lblddir/lib/expat/xmlparse -lxmlrpc_xmlparse \
- -Lblddir/lib/expat/xmltok -lxmlrpc_xmltok
- XML_PARSER_LIBDEP_DEP = $(LIBXMLRPC_XMLPARSE) $(LIBXMLRPC_XMLTOK)
+ XML_PARSER_LIBDEP = $(shell $(PKG_CONFIG) expat --libs)
+ XML_PARSER_LIBDEP_DEP =
XML_PKGCONFIG_REQ = xmlrpc_expat
endif
@@ -278,7 +276,7 @@ BASIC_INCLUDES = \
ifeq ($(ENABLE_LIBXML2_BACKEND),yes)
LIBXML_INCLUDES = $(shell xml2-config --cflags)
else
- LIBXML_INCLUDES = -Isrcdir/lib/expat/xmlparse
+ LIBXML_INCLUDES = $(shell $(PKG_CONFIG) --cflags expat)
endif
$(LIBXMLRPC_MODS:%=%.o) \
diff --git a/src/cpp/Makefile b/src/cpp/Makefile
index 184b254..986af46 100644
--- a/src/cpp/Makefile
+++ b/src/cpp/Makefile
@@ -44,3 +44,3 @@ DEP_SOURCES = *.cpp
else
- LIBXML_INCLUDES = -Isrcdir/lib/expat/xmlparse
+ LIBXML_INCLUDES = $(shell $(PKG_CONFIG) --cflags expat)
endif
@@ -51,5 +51,3 @@ DEP_SOURCES = *.cpp
else
- XML_PARSER_LIBDEP = \
- -L$(BLDDIR)/lib/expat/xmlparse -lxmlrpc_xmlparse \
- -L$(BLDDIR)/lib/expat/xmltok -lxmlrpc_xmltok
+ XML_PARSER_LIBDEP = $(shell $(PKG_CONFIG) --libs expat)
endif
diff --git a/src/xmlrpc_expat.c b/src/xmlrpc_expat.c
index 30fae15..2e01ec3 100644
--- a/src/xmlrpc_expat.c
+++ b/src/xmlrpc_expat.c
@@ -6,7 +6,7 @@
#include <stdlib.h>
#include <string.h>
-#include <xmlparse.h> /* Expat */
+#include <expat.h>
#include "bool.h"
@@ -419,18 +419,18 @@ createParser(xmlrpc_env * const envP,
-----------------------------------------------------------------------------*/
XML_Parser parser;
- parser = xmlrpc_XML_ParserCreate(NULL);
+ parser = XML_ParserCreate(NULL);
if (parser == NULL)
xmlrpc_faultf(envP, "Could not create expat parser");
else {
initParseContext(contextP, memPoolP);
- xmlrpc_XML_SetUserData(parser, contextP);
- xmlrpc_XML_SetElementHandler(
+ XML_SetUserData(parser, contextP);
+ XML_SetElementHandler(
parser,
(XML_StartElementHandler) startElement,
(XML_EndElementHandler) endElement);
- xmlrpc_XML_SetCharacterDataHandler(
+ XML_SetCharacterDataHandler(
parser,
(XML_CharacterDataHandler) characterData);
}
@@ -445,7 +445,7 @@ destroyParser(XML_Parser const parser,
termParseContext(contextP);
- xmlrpc_XML_ParserFree(parser);
+ XML_ParserFree(parser);
}
@@ -483,15 +483,17 @@ xml_parse(xmlrpc_env * const envP,
if (!envP->fault_occurred) {
bool ok;
- ok = xmlrpc_XML_Parse(parser, xmlData, xmlDataLen, 1);
+ ok = XML_Parse(parser, xmlData, xmlDataLen, 1);
/* sets 'context', *envP */
if (!ok) {
/* Expat failed on its own to parse it -- this is not an error
that our handlers detected.
*/
+ const enum XML_Error error_code = XML_GetErrorCode(parser);
+ const char * const error_string = (error_code == XML_ERROR_NONE) ? NULL : XML_ErrorString(error_code);
xmlrpc_env_set_fault(
envP, XMLRPC_PARSE_ERROR,
- xmlrpc_XML_GetErrorString(parser));
+ error_string);
if (!context.env.fault_occurred) {
/* Have to clean up what our handlers built before Expat
barfed.
diff --git a/xmlrpc-c-config.test.main b/xmlrpc-c-config.test.main
index d184534..0e53b12 100644
--- a/xmlrpc-c-config.test.main
+++ b/xmlrpc-c-config.test.main
@@ -22,10 +22,8 @@ packetsocket_lib=
if test "${ENABLE_LIBXML2_BACKEND}" = "yes"; then
LIBXML=`xml2-config --libs`
else
- LIBXML="${BLDDIR}/lib/expat/xmlparse/libxmlrpc_xmlparse.a"
- sopath="${BLDDIR}/lib/expat/xmlparse:$sopath"
- LIBXML="${LIBXML} ${BLDDIR}/lib/expat/xmltok/libxmlrpc_xmltok.a"
- sopath="${BLDDIR}/lib/expat/xmltok:$sopath"
+ [ -n "${PKG_CONFIG}" ] || PKG_CONFIG=pkg-config
+ LIBXML=`${PKG_CONFIG} --libs expat`
fi
needCpp=no
--
2.48.1
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