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toolkit/mozapps/update/updater/launchchild_osx.mm@6474c204b198 (annotated)

toolkit/mozapps/update/updater/launchchild_osx.mm

Wed, 31 Dec 2014 06:09:35 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Wed, 31 Dec 2014 06:09:35 +0100

changeset 0

6474c204b198

permissions

-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0	1	/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0	2	/* vim:set ts=2 sw=2 sts=2 et cindent: */
michael@0	3	/* This Source Code Form is subject to the terms of the Mozilla Public
michael@0	4	* License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0	5	* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0	6
michael@0	7	#include <Cocoa/Cocoa.h>
michael@0	8	#include <CoreServices/CoreServices.h>
michael@0	9	#include <crt_externs.h>
michael@0	10	#include <stdlib.h>
michael@0	11	#include <stdio.h>
michael@0	12	#include <spawn.h>
michael@0	13	#include "readstrings.h"
michael@0	14
michael@0	15	// Prefer the currently running architecture (this is the same as the
michael@0	16	// architecture that launched the updater) and fallback to CPU_TYPE_ANY if it
michael@0	17	// is no longer available after the update.
michael@0	18	static cpu_type_t pref_cpu_types[2] = {
michael@0	19	#if defined(__i386__)
michael@0	20	CPU_TYPE_X86,
michael@0	21	#elif defined(__x86_64__)
michael@0	22	CPU_TYPE_X86_64,
michael@0	23	#elif defined(__ppc__)
michael@0	24	CPU_TYPE_POWERPC,
michael@0	25	#endif
michael@0	26	CPU_TYPE_ANY };
michael@0	27
michael@0	28	void LaunchChild(int argc, char **argv)
michael@0	29	{
michael@0	30	// Initialize spawn attributes.
michael@0	31	posix_spawnattr_t spawnattr;
michael@0	32	if (posix_spawnattr_init(&spawnattr) != 0) {
michael@0	33	printf("Failed to init posix spawn attribute.");
michael@0	34	return;
michael@0	35	}
michael@0	36
michael@0	37	// Set spawn attributes.
michael@0	38	size_t attr_count = 2;
michael@0	39	size_t attr_ocount = 0;
michael@0	40	if (posix_spawnattr_setbinpref_np(&spawnattr, attr_count, pref_cpu_types, &attr_ocount) != 0 ||
michael@0	41	attr_ocount != attr_count) {
michael@0	42	printf("Failed to set binary preference on posix spawn attribute.");
michael@0	43	posix_spawnattr_destroy(&spawnattr);
michael@0	44	return;
michael@0	45	}
michael@0	46
michael@0	47	// "posix_spawnp" uses null termination for arguments rather than a count.
michael@0	48	// Note that we are not duplicating the argument strings themselves.
michael@0	49	char** argv_copy = (char**)malloc((argc + 1) * sizeof(char*));
michael@0	50	if (!argv_copy) {
michael@0	51	printf("Failed to allocate memory for arguments.");
michael@0	52	posix_spawnattr_destroy(&spawnattr);
michael@0	53	return;
michael@0	54	}
michael@0	55	for (int i = 0; i < argc; i++) {
michael@0	56	argv_copy[i] = argv[i];
michael@0	57	}
michael@0	58	argv_copy[argc] = NULL;
michael@0	59
michael@0	60	// Pass along our environment.
michael@0	61	char** envp = NULL;
michael@0	62	char*** cocoaEnvironment = _NSGetEnviron();
michael@0	63	if (cocoaEnvironment) {
michael@0	64	envp = *cocoaEnvironment;
michael@0	65	}
michael@0	66
michael@0	67	int result = posix_spawnp(NULL, argv_copy[0], NULL, &spawnattr, argv_copy, envp);
michael@0	68
michael@0	69	free(argv_copy);
michael@0	70	posix_spawnattr_destroy(&spawnattr);
michael@0	71
michael@0	72	if (result != 0) {
michael@0	73	printf("Process spawn failed with code %d!", result);
michael@0	74	}
michael@0	75	}
michael@0	76
michael@0	77	void
michael@0	78	LaunchMacPostProcess(const char* aAppExe)
michael@0	79	{
michael@0	80	// Launch helper to perform post processing for the update; this is the Mac
michael@0	81	// analogue of LaunchWinPostProcess (PostUpdateWin).
michael@0	82	NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
michael@0	83
michael@0	84	// Find the app bundle containing the executable path given
michael@0	85	NSString *path = [NSString stringWithUTF8String:aAppExe];
michael@0	86	NSBundle *bundle;
michael@0	87	do {
michael@0	88	path = [path stringByDeletingLastPathComponent];
michael@0	89	bundle = [NSBundle bundleWithPath:path];
michael@0	90	} while ((!bundle || ![bundle bundleIdentifier]) && [path length] > 1);
michael@0	91	if (!bundle) {
michael@0	92	// No bundle found for the app being launched
michael@0	93	[pool release];
michael@0	94	return;
michael@0	95	}
michael@0	96
michael@0	97	NSString *iniPath = [bundle pathForResource:@"updater" ofType:@"ini"];
michael@0	98	if (!iniPath) {
michael@0	99	// the file does not exist; there is nothing to run
michael@0	100	[pool release];
michael@0	101	return;
michael@0	102	}
michael@0	103
michael@0	104	int readResult;
michael@0	105	char values[2][MAX_TEXT_LEN];
michael@0	106	readResult = ReadStrings([iniPath UTF8String],
michael@0	107	"ExeArg\0ExeRelPath\0",
michael@0	108	2,
michael@0	109	values,
michael@0	110	"PostUpdateMac");
michael@0	111	if (readResult) {
michael@0	112	[pool release];
michael@0	113	return;
michael@0	114	}
michael@0	115
michael@0	116	NSString *exeArg = [NSString stringWithUTF8String:values[0]];
michael@0	117	NSString *exeRelPath = [NSString stringWithUTF8String:values[1]];
michael@0	118	if (!exeArg || !exeRelPath) {
michael@0	119	[pool release];
michael@0	120	return;
michael@0	121	}
michael@0	122
michael@0	123	NSString *resourcePath = [bundle resourcePath];
michael@0	124	NSString *exeFullPath = [resourcePath stringByAppendingPathComponent:exeRelPath];
michael@0	125
michael@0	126	NSTask *task = [[NSTask alloc] init];
michael@0	127	[task setLaunchPath:exeFullPath];
michael@0	128	[task setArguments:[NSArray arrayWithObject:exeArg]];
michael@0	129	[task launch];
michael@0	130	[task waitUntilExit];
michael@0	131	// ignore the return value of the task, there's nothing we can do with it
michael@0	132	[task release];
michael@0	133
michael@0	134	[pool release];
michael@0	135	}
michael@0	136