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libproxy/libproxy-0.4.15-mozjs68.patch

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From 6c9e48accddb90eef8412bef3ccc29594935d3b3 Mon Sep 17 00:00:00 2001
From: Iain Lane <iain@orangesquash.org.uk>
Date: Wed, 11 Mar 2020 11:54:52 +0000
Subject: [PATCH] mozjs: Port to mozjs 68
There are a number of API changes that need to be adapted to, notably
- JS_EncodeString is gone; need to use JS_EncodeStringToUTF8 now which
requires a rooted object to be passed in.
- JS_free is gone
The pkg-config file ships some flags which need to be supplied to the
build.
---
libproxy/cmake/modules/pacrunner_mozjs.cmk | 6 ++-
libproxy/modules/pacrunner_mozjs.cpp | 56 ++++++++++++++--------
2 files changed, 41 insertions(+), 21 deletions(-)
diff --git a/libproxy/cmake/modules/pacrunner_mozjs.cmk b/libproxy/cmake/modules/pacrunner_mozjs.cmk
index 871cc85..2cc3c51 100644
--- a/libproxy/cmake/modules/pacrunner_mozjs.cmk
+++ b/libproxy/cmake/modules/pacrunner_mozjs.cmk
@@ -9,8 +9,12 @@ if(WIN32)
elseif(NOT APPLE)
option(WITH_MOZJS "Search for MOZJS package" ON)
if (WITH_MOZJS)
- pkg_search_module(MOZJS mozjs-60)
+ pkg_search_module(MOZJS mozjs-68)
if(MOZJS_FOUND)
+ foreach(OPT ${MOZJS_CFLAGS})
+ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OPT}")
+ endforeach()
+ message("mozjs is " ${CMAKE_CXX_FLAGS})
include_directories(${MOZJS_INCLUDE_DIRS})
link_directories(${MOZJS_LIBRARY_DIRS})
else()
diff --git a/libproxy/modules/pacrunner_mozjs.cpp b/libproxy/modules/pacrunner_mozjs.cpp
index 38e7d46..37e1b42 100644
--- a/libproxy/modules/pacrunner_mozjs.cpp
+++ b/libproxy/modules/pacrunner_mozjs.cpp
@@ -37,6 +37,9 @@ using namespace libproxy;
#pragma GCC diagnostic error "-Winvalid-offsetof"
#include <js/Initialization.h>
#include <js/CallArgs.h>
+#include <js/CompilationAndEvaluation.h>
+#include <js/MemoryFunctions.h>
+#include <js/SourceText.h>
#include "pacutils.h"
@@ -49,19 +52,21 @@ using namespace libproxy;
#endif
static void dnsResolve_(JSContext *cx, JSString *hostname, JS::CallArgs *argv) {
+ char *tmp;
// Get hostname argument
- char *tmp = JS_EncodeString(cx, hostname);
+ JS::RootedString str(cx, hostname);
+ JS::UniqueChars chars = JS_EncodeStringToUTF8(cx, str);
+ const char *val = chars.get();
// Set the default return value
argv->rval().setNull();
// Look it up
struct addrinfo *info = nullptr;
- if (getaddrinfo(tmp, NULL, NULL, &info))
+ if (getaddrinfo(val, NULL, NULL, &info))
goto out;
// Allocate the IP address
- JS_free(cx, tmp);
tmp = (char *) JS_malloc(cx, INET6_ADDRSTRLEN+1);
memset(tmp, 0, INET6_ADDRSTRLEN+1);
@@ -77,7 +82,6 @@ static void dnsResolve_(JSContext *cx, JSString *hostname, JS::CallArgs *argv) {
out:
if (info) freeaddrinfo(info);
- JS_free(cx, tmp);
}
static bool dnsResolve(JSContext *cx, unsigned argc, JS::Value *vp) {
@@ -121,29 +125,40 @@ class mozjs_pacrunner : public pacrunner {
if (!JS::InitSelfHostedCode(this->jsctx)) goto error;
JS::RootedValue rval(this->jsctx);
- JS::CompartmentOptions compart_opts;
+ JS::RealmOptions realm_opts;
this->jsglb = new JS::Heap<JSObject*>(JS_NewGlobalObject(
this->jsctx, &cls,
nullptr, JS::DontFireOnNewGlobalHook,
- compart_opts));
+ realm_opts));
if (!(this->jsglb)) goto error;
JS::RootedObject global(this->jsctx,this->jsglb->get());
- if (!(this->jsac = new JSAutoCompartment(this->jsctx, global))) goto error;
- if (!JS_InitStandardClasses(this->jsctx, global)) goto error;
+ if (!(this->jsar = new JSAutoRealm(this->jsctx, global))) goto error;
// Define Javascript functions
JS_DefineFunction(this->jsctx, global, "dnsResolve", dnsResolve, 1, 0);
JS_DefineFunction(this->jsctx, global, "myIpAddress", myIpAddress, 0, 0);
JS::CompileOptions options(this->jsctx);
- options.setUTF8(true);
- JS::Evaluate(this->jsctx, options, JAVASCRIPT_ROUTINES,
- strlen(JAVASCRIPT_ROUTINES), JS::MutableHandleValue(&rval));
+ JS::SourceText<mozilla::Utf8Unit> routines, pac_source;
+ if (!routines.init(this->jsctx,
+ JAVASCRIPT_ROUTINES,
+ strlen(JAVASCRIPT_ROUTINES),
+ JS::SourceOwnership::Borrowed))
+ goto error;
+
+ if (!pac_source.init(this->jsctx,
+ pac.c_str(),
+ pac.length(),
+ JS::SourceOwnership::Borrowed))
+ goto error;
+
+
+ JS::Evaluate(this->jsctx, options, routines, JS::MutableHandleValue(&rval));
// Add PAC to the environment
- JS::Evaluate(this->jsctx, options, pac.c_str(), pac.length(), JS::MutableHandleValue(&rval));
+ JS::Evaluate(this->jsctx, options, pac_source, JS::MutableHandleValue(&rval));
return;
}
error:
@@ -152,7 +167,7 @@ class mozjs_pacrunner : public pacrunner {
}
~mozjs_pacrunner() {
- if (this->jsac) delete this->jsac;
+ if (this->jsar) delete this->jsar;
if (this->jsglb) delete this->jsglb;
if (this->jsctx) JS_DestroyContext(this->jsctx);
JS_ShutDown();
@@ -160,11 +175,9 @@ class mozjs_pacrunner : public pacrunner {
string run(const url& url_) throw (bad_alloc) {
// Build arguments to the FindProxyForURL() function
- char *tmpurl = JS_strdup(this->jsctx, url_.to_string().c_str());
- char *tmphost = JS_strdup(this->jsctx, url_.get_host().c_str());
+ const char *tmpurl = url_.to_string().c_str();
+ const char *tmphost = url_.get_host().c_str();
if (!tmpurl || !tmphost) {
- if (tmpurl) JS_free(this->jsctx, tmpurl);
- if (tmphost) JS_free(this->jsctx, tmphost);
throw bad_alloc();
}
JS::AutoValueArray<2> args(this->jsctx);
@@ -176,10 +189,13 @@ class mozjs_pacrunner : public pacrunner {
JS::RootedObject global(this->jsctx,this->jsglb->get());
bool result = JS_CallFunctionName(this->jsctx, global, "FindProxyForURL", args, &rval);
if (!result) return "";
+ if (!rval.isString())
+ return "";
- char * tmpanswer = JS_EncodeString(this->jsctx, rval.toString());
+ JS::RootedString s(this->jsctx, rval.toString());
+ JS::UniqueChars chars = JS_EncodeStringToUTF8(this->jsctx, s);
+ const char *tmpanswer = chars.get();
string answer = string(tmpanswer);
- JS_free(this->jsctx, tmpanswer);
if (answer == "undefined") return "";
return answer;
@@ -188,7 +204,7 @@ class mozjs_pacrunner : public pacrunner {
private:
JSContext *jsctx;
JS::Heap<JSObject*> *jsglb;
- JSAutoCompartment *jsac;
+ JSAutoRealm *jsar;
};
PX_PACRUNNER_MODULE_EZ(mozjs, "JS_DefineFunction", "mozjs");
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