service_manager.c revision 94afecf4b6f437b3ee9a076242402e421c6c07a6
194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood/* Copyright 2008 The Android Open Source Project 294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood */ 394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood#include <stdio.h> 594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood#include <stdlib.h> 694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood#include <errno.h> 794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood#include <fcntl.h> 894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood#include <private/android_filesystem_config.h> 1094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 1194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood#include "binder.h" 1294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 1394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood#if 0 1494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood#define ALOGI(x...) fprintf(stderr, "svcmgr: " x) 1594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood#define ALOGE(x...) fprintf(stderr, "svcmgr: " x) 1694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood#else 1794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood#define LOG_TAG "ServiceManager" 1894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood#include <cutils/log.h> 1994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood#endif 2094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 2194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood/* TODO: 2294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood * These should come from a config file or perhaps be 2394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood * based on some namespace rules of some sort (media 2494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood * uid can register media.*, etc) 2594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood */ 2694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodstatic struct { 2794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unsigned uid; 2894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood const char *name; 2994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} allowed[] = { 3094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood { AID_MEDIA, "media.audio_flinger" }, 3194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood { AID_MEDIA, "media.player" }, 3294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood { AID_MEDIA, "media.camera" }, 3394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood { AID_MEDIA, "media.audio_policy" }, 3494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood { AID_DRM, "drm.drmManager" }, 3594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood { AID_NFC, "nfc" }, 3694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood { AID_BLUETOOTH, "bluetooth" }, 3794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood { AID_RADIO, "radio.phone" }, 3894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood { AID_RADIO, "radio.sms" }, 3994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood { AID_RADIO, "radio.phonesubinfo" }, 4094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood { AID_RADIO, "radio.simphonebook" }, 4194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood/* TODO: remove after phone services are updated: */ 4294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood { AID_RADIO, "phone" }, 4394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood { AID_RADIO, "sip" }, 4494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood { AID_RADIO, "isms" }, 4594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood { AID_RADIO, "iphonesubinfo" }, 4694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood { AID_RADIO, "simphonebook" }, 4794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood { AID_MEDIA, "common_time.clock" }, 4894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood { AID_MEDIA, "common_time.config" }, 4994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood}; 5094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 5194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodvoid *svcmgr_handle; 5294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 5394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodconst char *str8(uint16_t *x) 5494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 5594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood static char buf[128]; 5694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unsigned max = 127; 5794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood char *p = buf; 5894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 5994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (x) { 6094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood while (*x && max--) { 6194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood *p++ = *x++; 6294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 6394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 6494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood *p++ = 0; 6594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return buf; 6694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 6794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 6894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodint str16eq(uint16_t *a, const char *b) 6994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 7094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood while (*a && *b) 7194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (*a++ != *b++) return 0; 7294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (*a || *b) 7394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 7494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 1; 7594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 7694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 7794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodint svc_can_register(unsigned uid, uint16_t *name) 7894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 7994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unsigned n; 8094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 8194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if ((uid == 0) || (uid == AID_SYSTEM)) 8294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 1; 8394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 8494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood for (n = 0; n < sizeof(allowed) / sizeof(allowed[0]); n++) 8594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if ((uid == allowed[n].uid) && str16eq(name, allowed[n].name)) 8694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 1; 8794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 8894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 8994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 9094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 9194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodstruct svcinfo 9294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 9394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct svcinfo *next; 9494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood void *ptr; 9594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct binder_death death; 9694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int allow_isolated; 9794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unsigned len; 9894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood uint16_t name[0]; 9994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood}; 10094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 10194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodstruct svcinfo *svclist = 0; 10294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 10394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodstruct svcinfo *find_svc(uint16_t *s16, unsigned len) 10494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 10594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct svcinfo *si; 10694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 10794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood for (si = svclist; si; si = si->next) { 10894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if ((len == si->len) && 10994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood !memcmp(s16, si->name, len * sizeof(uint16_t))) { 11094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return si; 11194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 11294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 11394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 11494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 11594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 11694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodvoid svcinfo_death(struct binder_state *bs, void *ptr) 11794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 11894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct svcinfo *si = ptr; 11994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGI("service '%s' died\n", str8(si->name)); 12094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (si->ptr) { 12194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood binder_release(bs, si->ptr); 12294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood si->ptr = 0; 12394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 12494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 12594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 12694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwooduint16_t svcmgr_id[] = { 12794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 'a','n','d','r','o','i','d','.','o','s','.', 12894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 'I','S','e','r','v','i','c','e','M','a','n','a','g','e','r' 12994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood}; 13094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 13194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 13294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodvoid *do_find_service(struct binder_state *bs, uint16_t *s, unsigned len, unsigned uid) 13394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 13494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct svcinfo *si; 13594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood si = find_svc(s, len); 13694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 13794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood// ALOGI("check_service('%s') ptr = %p\n", str8(s), si ? si->ptr : 0); 13894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (si && si->ptr) { 13994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (!si->allow_isolated) { 14094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // If this service doesn't allow access from isolated processes, 14194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // then check the uid to see if it is isolated. 14294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unsigned appid = uid % AID_USER; 14394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (appid >= AID_ISOLATED_START && appid <= AID_ISOLATED_END) { 14494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 14594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 14694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 14794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return si->ptr; 14894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 14994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 15094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 15194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 15294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 15394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodint do_add_service(struct binder_state *bs, 15494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood uint16_t *s, unsigned len, 15594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood void *ptr, unsigned uid, int allow_isolated) 15694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 15794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct svcinfo *si; 15894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood //ALOGI("add_service('%s',%p,%s) uid=%d\n", str8(s), ptr, 15994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // allow_isolated ? "allow_isolated" : "!allow_isolated", uid); 16094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 16194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (!ptr || (len == 0) || (len > 127)) 16294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 16394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 16494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (!svc_can_register(uid, s)) { 16594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("add_service('%s',%p) uid=%d - PERMISSION DENIED\n", 16694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood str8(s), ptr, uid); 16794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 16894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 16994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 17094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood si = find_svc(s, len); 17194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (si) { 17294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (si->ptr) { 17394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("add_service('%s',%p) uid=%d - ALREADY REGISTERED, OVERRIDE\n", 17494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood str8(s), ptr, uid); 17594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood svcinfo_death(bs, si); 17694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 17794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood si->ptr = ptr; 17894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } else { 17994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood si = malloc(sizeof(*si) + (len + 1) * sizeof(uint16_t)); 18094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (!si) { 18194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("add_service('%s',%p) uid=%d - OUT OF MEMORY\n", 18294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood str8(s), ptr, uid); 18394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 18494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 18594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood si->ptr = ptr; 18694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood si->len = len; 18794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood memcpy(si->name, s, (len + 1) * sizeof(uint16_t)); 18894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood si->name[len] = '\0'; 18994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood si->death.func = svcinfo_death; 19094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood si->death.ptr = si; 19194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood si->allow_isolated = allow_isolated; 19294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood si->next = svclist; 19394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood svclist = si; 19494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 19594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 19694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood binder_acquire(bs, ptr); 19794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood binder_link_to_death(bs, ptr, &si->death); 19894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 19994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 20094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 20194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodint svcmgr_handler(struct binder_state *bs, 20294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct binder_txn *txn, 20394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct binder_io *msg, 20494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct binder_io *reply) 20594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 20694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct svcinfo *si; 20794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood uint16_t *s; 20894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unsigned len; 20994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood void *ptr; 21094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood uint32_t strict_policy; 21194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int allow_isolated; 21294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 21394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood// ALOGI("target=%p code=%d pid=%d uid=%d\n", 21494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood// txn->target, txn->code, txn->sender_pid, txn->sender_euid); 21594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 21694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (txn->target != svcmgr_handle) 21794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 21894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 21994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // Equivalent to Parcel::enforceInterface(), reading the RPC 22094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // header with the strict mode policy mask and the interface name. 22194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // Note that we ignore the strict_policy and don't propagate it 22294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood // further (since we do no outbound RPCs anyway). 22394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood strict_policy = bio_get_uint32(msg); 22494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood s = bio_get_string16(msg, &len); 22594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if ((len != (sizeof(svcmgr_id) / 2)) || 22694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood memcmp(svcmgr_id, s, sizeof(svcmgr_id))) { 22794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood fprintf(stderr,"invalid id %s\n", str8(s)); 22894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 22994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 23094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 23194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood switch(txn->code) { 23294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood case SVC_MGR_GET_SERVICE: 23394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood case SVC_MGR_CHECK_SERVICE: 23494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood s = bio_get_string16(msg, &len); 23594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ptr = do_find_service(bs, s, len, txn->sender_euid); 23694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (!ptr) 23794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood break; 23894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood bio_put_ref(reply, ptr); 23994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 24094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 24194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood case SVC_MGR_ADD_SERVICE: 24294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood s = bio_get_string16(msg, &len); 24394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ptr = bio_get_ref(msg); 24494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood allow_isolated = bio_get_uint32(msg) ? 1 : 0; 24594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (do_add_service(bs, s, len, ptr, txn->sender_euid, allow_isolated)) 24694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 24794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood break; 24894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 24994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood case SVC_MGR_LIST_SERVICES: { 25094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood unsigned n = bio_get_uint32(msg); 25194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 25294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood si = svclist; 25394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood while ((n-- > 0) && si) 25494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood si = si->next; 25594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (si) { 25694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood bio_put_string16(reply, si->name); 25794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 25894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 25994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 26094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 26194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood default: 26294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("unknown code %d\n", txn->code); 26394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 26494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 26594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 26694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood bio_put_uint32(reply, 0); 26794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 26894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 26994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 27094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodint main(int argc, char **argv) 27194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 27294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood struct binder_state *bs; 27394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood void *svcmgr = BINDER_SERVICE_MANAGER; 27494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 27594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood bs = binder_open(128*1024); 27694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 27794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood if (binder_become_context_manager(bs)) { 27894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood ALOGE("cannot become context manager (%s)\n", strerror(errno)); 27994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return -1; 28094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 28194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 28294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood svcmgr_handle = svcmgr; 28394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood binder_loop(bs, svcmgr_handler); 28494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return 0; 28594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood} 286