diff options
| -rw-r--r-- | Android.mk | 1 | ||||
| -rw-r--r-- | minadbd/Android.mk | 3 | ||||
| -rw-r--r-- | minadbd/README.txt | 37 | ||||
| -rw-r--r-- | minadbd/adb.c | 372 | ||||
| -rw-r--r-- | minadbd/adb.h | 433 | ||||
| -rw-r--r-- | minadbd/adb_main.c | 4 | ||||
| -rw-r--r-- | minadbd/sockets.c | 731 | ||||
| -rw-r--r-- | recovery.cpp | 4 |
8 files changed, 9 insertions, 1576 deletions
@@ -67,7 +67,6 @@ LOCAL_STATIC_LIBRARIES := \ libmtdutils \ libmincrypt \ libminadbd \ - libadbd \ libfusesideload \ libminui \ libpng \ diff --git a/minadbd/Android.mk b/minadbd/Android.mk index 0cba0c5..f4b060b 100644 --- a/minadbd/Android.mk +++ b/minadbd/Android.mk @@ -11,15 +11,14 @@ LOCAL_PATH:= $(call my-dir) include $(CLEAR_VARS) LOCAL_SRC_FILES := \ - adb.c \ adb_main.c \ fuse_adb_provider.c \ - sockets.c \ services.c \ LOCAL_CFLAGS := -O2 -g -DADB_HOST=0 -Wall -Wno-unused-parameter LOCAL_CFLAGS += -D_XOPEN_SOURCE -D_GNU_SOURCE LOCAL_C_INCLUDES := bootable/recovery system/core/adb +LOCAL_WHOLE_STATIC_LIBRARIES := libadbd LOCAL_MODULE := libminadbd diff --git a/minadbd/README.txt b/minadbd/README.txt index c9df484..e69dc87 100644 --- a/minadbd/README.txt +++ b/minadbd/README.txt @@ -1,39 +1,8 @@ -The contents of this directory are copied from system/core/adb, with -the following changes: +minadbd is now mostly built from libadbd. The fuse features are unique to +minadbd, and services.c has been modified as follows: -adb.c - - much support for host mode and non-linux OS's stripped out; this - version only runs as adbd on the device. - - always setuid/setgid's itself to the shell user - - only uses USB transport - - references to JDWP removed - - main() removed - - all ADB_HOST and win32 code removed - - removed listeners, logging code, background server (for host) - -adb.h - - minor changes to match adb.c changes - -sockets.c - - references to JDWP removed - - ADB_HOST code removed - -services.c - - all services except echo_service (which is commented out) removed + - all services removed - all host mode support removed - sideload_service() added; this is the only service supported. It receives a single blob of data, writes it to a fixed filename, and makes the process exit. - -Android.mk - - only builds in adbd mode; builds as static library instead of a - standalone executable. - -sysdeps.h - - changes adb_creat() to use O_NOFOLLOW - -transport.c - - removed ADB_HOST code - -transport_usb.c - - removed ADB_HOST code diff --git a/minadbd/adb.c b/minadbd/adb.c deleted file mode 100644 index 5f9cfdf..0000000 --- a/minadbd/adb.c +++ /dev/null @@ -1,372 +0,0 @@ -/* - * Copyright (C) 2007 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#define TRACE_TAG TRACE_ADB - -#include <stdio.h> -#include <stdlib.h> -#include <ctype.h> -#include <stdarg.h> -#include <errno.h> -#include <string.h> -#include <time.h> -#include <sys/time.h> - -#include "sysdeps.h" -#include "adb.h" - -#include <private/android_filesystem_config.h> - -#if ADB_TRACE -ADB_MUTEX_DEFINE( D_lock ); -#endif - -int HOST = 0; - -static const char *adb_device_banner = "sideload"; - -void fatal(const char *fmt, ...) -{ - va_list ap; - va_start(ap, fmt); - fprintf(stderr, "error: "); - vfprintf(stderr, fmt, ap); - fprintf(stderr, "\n"); - va_end(ap); - exit(-1); -} - -void fatal_errno(const char *fmt, ...) -{ - va_list ap; - va_start(ap, fmt); - fprintf(stderr, "error: %s: ", strerror(errno)); - vfprintf(stderr, fmt, ap); - fprintf(stderr, "\n"); - va_end(ap); - exit(-1); -} - -int adb_trace_mask; - -/* read a comma/space/colum/semi-column separated list of tags - * from the ADB_TRACE environment variable and build the trace - * mask from it. note that '1' and 'all' are special cases to - * enable all tracing - */ -void adb_trace_init(void) -{ - const char* p = getenv("ADB_TRACE"); - const char* q; - - static const struct { - const char* tag; - int flag; - } tags[] = { - { "1", 0 }, - { "all", 0 }, - { "adb", TRACE_ADB }, - { "sockets", TRACE_SOCKETS }, - { "packets", TRACE_PACKETS }, - { "rwx", TRACE_RWX }, - { "usb", TRACE_USB }, - { "sync", TRACE_SYNC }, - { "sysdeps", TRACE_SYSDEPS }, - { "transport", TRACE_TRANSPORT }, - { "jdwp", TRACE_JDWP }, - { "services", TRACE_SERVICES }, - { NULL, 0 } - }; - - if (p == NULL) - return; - - /* use a comma/column/semi-colum/space separated list */ - while (*p) { - int len, tagn; - - q = strpbrk(p, " ,:;"); - if (q == NULL) { - q = p + strlen(p); - } - len = q - p; - - for (tagn = 0; tags[tagn].tag != NULL; tagn++) - { - int taglen = strlen(tags[tagn].tag); - - if (len == taglen && !memcmp(tags[tagn].tag, p, len) ) - { - int flag = tags[tagn].flag; - if (flag == 0) { - adb_trace_mask = ~0; - return; - } - adb_trace_mask |= (1 << flag); - break; - } - } - p = q; - if (*p) - p++; - } -} - - -apacket *get_apacket(void) -{ - apacket *p = malloc(sizeof(apacket)); - if(p == 0) fatal("failed to allocate an apacket"); - memset(p, 0, sizeof(apacket) - MAX_PAYLOAD); - return p; -} - -void put_apacket(apacket *p) -{ - free(p); -} - -void handle_online(void) -{ - D("adb: online\n"); -} - -void handle_offline(atransport *t) -{ - D("adb: offline\n"); - //Close the associated usb - run_transport_disconnects(t); -} - -#if TRACE_PACKETS -#define DUMPMAX 32 -void print_packet(const char *label, apacket *p) -{ - char *tag; - char *x; - unsigned count; - - switch(p->msg.command){ - case A_SYNC: tag = "SYNC"; break; - case A_CNXN: tag = "CNXN" ; break; - case A_OPEN: tag = "OPEN"; break; - case A_OKAY: tag = "OKAY"; break; - case A_CLSE: tag = "CLSE"; break; - case A_WRTE: tag = "WRTE"; break; - default: tag = "????"; break; - } - - fprintf(stderr, "%s: %s %08x %08x %04x \"", - label, tag, p->msg.arg0, p->msg.arg1, p->msg.data_length); - count = p->msg.data_length; - x = (char*) p->data; - if(count > DUMPMAX) { - count = DUMPMAX; - tag = "\n"; - } else { - tag = "\"\n"; - } - while(count-- > 0){ - if((*x >= ' ') && (*x < 127)) { - fputc(*x, stderr); - } else { - fputc('.', stderr); - } - x++; - } - fprintf(stderr, tag); -} -#endif - -static void send_ready(unsigned local, unsigned remote, atransport *t) -{ - D("Calling send_ready \n"); - apacket *p = get_apacket(); - p->msg.command = A_OKAY; - p->msg.arg0 = local; - p->msg.arg1 = remote; - send_packet(p, t); -} - -static void send_close(unsigned local, unsigned remote, atransport *t) -{ - D("Calling send_close \n"); - apacket *p = get_apacket(); - p->msg.command = A_CLSE; - p->msg.arg0 = local; - p->msg.arg1 = remote; - send_packet(p, t); -} - -static void send_connect(atransport *t) -{ - D("Calling send_connect \n"); - apacket *cp = get_apacket(); - cp->msg.command = A_CNXN; - cp->msg.arg0 = A_VERSION; - cp->msg.arg1 = MAX_PAYLOAD; - snprintf((char*) cp->data, sizeof cp->data, "%s::", - HOST ? "host" : adb_device_banner); - cp->msg.data_length = strlen((char*) cp->data) + 1; - send_packet(cp, t); -} - -void parse_banner(char *banner, atransport *t) -{ - char *type, *product, *end; - - D("parse_banner: %s\n", banner); - type = banner; - product = strchr(type, ':'); - if(product) { - *product++ = 0; - } else { - product = ""; - } - - /* remove trailing ':' */ - end = strchr(product, ':'); - if(end) *end = 0; - - /* save product name in device structure */ - if (t->product == NULL) { - t->product = strdup(product); - } else if (strcmp(product, t->product) != 0) { - free(t->product); - t->product = strdup(product); - } - - if(!strcmp(type, "bootloader")){ - D("setting connection_state to CS_BOOTLOADER\n"); - t->connection_state = CS_BOOTLOADER; - update_transports(); - return; - } - - if(!strcmp(type, "device")) { - D("setting connection_state to CS_DEVICE\n"); - t->connection_state = CS_DEVICE; - update_transports(); - return; - } - - if(!strcmp(type, "recovery")) { - D("setting connection_state to CS_RECOVERY\n"); - t->connection_state = CS_RECOVERY; - update_transports(); - return; - } - - if(!strcmp(type, "sideload")) { - D("setting connection_state to CS_SIDELOAD\n"); - t->connection_state = CS_SIDELOAD; - update_transports(); - return; - } - - t->connection_state = CS_HOST; -} - -void handle_packet(apacket *p, atransport *t) -{ - asocket *s; - - D("handle_packet() %c%c%c%c\n", ((char*) (&(p->msg.command)))[0], - ((char*) (&(p->msg.command)))[1], - ((char*) (&(p->msg.command)))[2], - ((char*) (&(p->msg.command)))[3]); - print_packet("recv", p); - - switch(p->msg.command){ - case A_SYNC: - if(p->msg.arg0){ - send_packet(p, t); - if(HOST) send_connect(t); - } else { - t->connection_state = CS_OFFLINE; - handle_offline(t); - send_packet(p, t); - } - return; - - case A_CNXN: /* CONNECT(version, maxdata, "system-id-string") */ - /* XXX verify version, etc */ - if(t->connection_state != CS_OFFLINE) { - t->connection_state = CS_OFFLINE; - handle_offline(t); - } - parse_banner((char*) p->data, t); - handle_online(); - if(!HOST) send_connect(t); - break; - - case A_OPEN: /* OPEN(local-id, 0, "destination") */ - if(t->connection_state != CS_OFFLINE) { - char *name = (char*) p->data; - name[p->msg.data_length > 0 ? p->msg.data_length - 1 : 0] = 0; - s = create_local_service_socket(name); - if(s == 0) { - send_close(0, p->msg.arg0, t); - } else { - s->peer = create_remote_socket(p->msg.arg0, t); - s->peer->peer = s; - send_ready(s->id, s->peer->id, t); - s->ready(s); - } - } - break; - - case A_OKAY: /* READY(local-id, remote-id, "") */ - if(t->connection_state != CS_OFFLINE) { - if((s = find_local_socket(p->msg.arg1))) { - if(s->peer == 0) { - s->peer = create_remote_socket(p->msg.arg0, t); - s->peer->peer = s; - } - s->ready(s); - } - } - break; - - case A_CLSE: /* CLOSE(local-id, remote-id, "") */ - if(t->connection_state != CS_OFFLINE) { - if((s = find_local_socket(p->msg.arg1))) { - s->close(s); - } - } - break; - - case A_WRTE: - if(t->connection_state != CS_OFFLINE) { - if((s = find_local_socket(p->msg.arg1))) { - unsigned rid = p->msg.arg0; - p->len = p->msg.data_length; - - if(s->enqueue(s, p) == 0) { - D("Enqueue the socket\n"); - send_ready(s->id, rid, t); - } - return; - } - } - break; - - default: - printf("handle_packet: what is %08x?!\n", p->msg.command); - } - - put_apacket(p); -} diff --git a/minadbd/adb.h b/minadbd/adb.h deleted file mode 100644 index 58818a9..0000000 --- a/minadbd/adb.h +++ /dev/null @@ -1,433 +0,0 @@ -/* - * Copyright (C) 2007 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#ifndef __ADB_H -#define __ADB_H - -#include <limits.h> - -#include "transport.h" /* readx(), writex() */ -#include "fdevent.h" - -#ifdef __cplusplus -extern "C" { -#endif - -#define MAX_PAYLOAD 4096 - -#define A_SYNC 0x434e5953 -#define A_CNXN 0x4e584e43 -#define A_OPEN 0x4e45504f -#define A_OKAY 0x59414b4f -#define A_CLSE 0x45534c43 -#define A_WRTE 0x45545257 - -#define A_VERSION 0x01000000 // ADB protocol version - -#define ADB_VERSION_MAJOR 1 // Used for help/version information -#define ADB_VERSION_MINOR 0 // Used for help/version information - -#define ADB_SERVER_VERSION 29 // Increment this when we want to force users to start a new adb server - -typedef struct amessage amessage; -typedef struct apacket apacket; -typedef struct asocket asocket; -typedef struct aservice aservice; -typedef struct atransport atransport; -typedef struct adisconnect adisconnect; -typedef struct usb_handle usb_handle; - -struct amessage { - unsigned command; /* command identifier constant */ - unsigned arg0; /* first argument */ - unsigned arg1; /* second argument */ - unsigned data_length; /* length of payload (0 is allowed) */ - unsigned data_check; /* checksum of data payload */ - unsigned magic; /* command ^ 0xffffffff */ -}; - -struct apacket -{ - apacket *next; - - unsigned len; - unsigned char *ptr; - - amessage msg; - unsigned char data[MAX_PAYLOAD]; -}; - -/* An asocket represents one half of a connection between a local and -** remote entity. A local asocket is bound to a file descriptor. A -** remote asocket is bound to the protocol engine. -*/ -struct asocket { - /* chain pointers for the local/remote list of - ** asockets that this asocket lives in - */ - asocket *next; - asocket *prev; - - /* the unique identifier for this asocket - */ - unsigned id; - - /* flag: set when the socket's peer has closed - ** but packets are still queued for delivery - */ - int closing; - - /* the asocket we are connected to - */ - - asocket *peer; - - /* For local asockets, the fde is used to bind - ** us to our fd event system. For remote asockets - ** these fields are not used. - */ - fdevent fde; - int fd; - - /* queue of apackets waiting to be written - */ - apacket *pkt_first; - apacket *pkt_last; - - /* enqueue is called by our peer when it has data - ** for us. It should return 0 if we can accept more - ** data or 1 if not. If we return 1, we must call - ** peer->ready() when we once again are ready to - ** receive data. - */ - int (*enqueue)(asocket *s, apacket *pkt); - - /* ready is called by the peer when it is ready for - ** us to send data via enqueue again - */ - void (*ready)(asocket *s); - - /* close is called by the peer when it has gone away. - ** we are not allowed to make any further calls on the - ** peer once our close method is called. - */ - void (*close)(asocket *s); - - /* socket-type-specific extradata */ - void *extra; - - /* A socket is bound to atransport */ - atransport *transport; -}; - - -/* the adisconnect structure is used to record a callback that -** will be called whenever a transport is disconnected (e.g. by the user) -** this should be used to cleanup objects that depend on the -** transport (e.g. remote sockets, etc...) -*/ -struct adisconnect -{ - void (*func)(void* opaque, atransport* t); - void* opaque; - adisconnect* next; - adisconnect* prev; -}; - - -/* a transport object models the connection to a remote device or emulator -** there is one transport per connected device/emulator. a "local transport" -** connects through TCP (for the emulator), while a "usb transport" through -** USB (for real devices) -** -** note that kTransportHost doesn't really correspond to a real transport -** object, it's a special value used to indicate that a client wants to -** connect to a service implemented within the ADB server itself. -*/ -typedef enum transport_type { - kTransportUsb, - kTransportLocal, - kTransportAny, - kTransportHost, -} transport_type; - -struct atransport -{ - atransport *next; - atransport *prev; - - int (*read_from_remote)(apacket *p, atransport *t); - int (*write_to_remote)(apacket *p, atransport *t); - void (*close)(atransport *t); - void (*kick)(atransport *t); - - int fd; - int transport_socket; - fdevent transport_fde; - int ref_count; - unsigned sync_token; - int connection_state; - transport_type type; - - /* usb handle or socket fd as needed */ - usb_handle *usb; - int sfd; - - /* used to identify transports for clients */ - char *serial; - char *product; - int adb_port; // Use for emulators (local transport) - - /* a list of adisconnect callbacks called when the transport is kicked */ - int kicked; - adisconnect disconnects; -}; - - -void print_packet(const char *label, apacket *p); - -asocket *find_local_socket(unsigned id); -void install_local_socket(asocket *s); -void remove_socket(asocket *s); -void close_all_sockets(atransport *t); - -#define LOCAL_CLIENT_PREFIX "emulator-" - -asocket *create_local_socket(int fd); -asocket *create_local_service_socket(const char *destination); - -asocket *create_remote_socket(unsigned id, atransport *t); -void connect_to_remote(asocket *s, const char *destination); -void connect_to_smartsocket(asocket *s); - -void fatal(const char *fmt, ...); -void fatal_errno(const char *fmt, ...); - -void handle_packet(apacket *p, atransport *t); -void send_packet(apacket *p, atransport *t); - -void get_my_path(char *s, size_t maxLen); -int launch_server(int server_port); -int adb_main(); - - -/* transports are ref-counted -** get_device_transport does an acquire on your behalf before returning -*/ -void init_transport_registration(void); -int list_transports(char *buf, size_t bufsize); -void update_transports(void); - -asocket* create_device_tracker(void); - -/* Obtain a transport from the available transports. -** If state is != CS_ANY, only transports in that state are considered. -** If serial is non-NULL then only the device with that serial will be chosen. -** If no suitable transport is found, error is set. -*/ -atransport *acquire_one_transport(int state, transport_type ttype, const char* serial, char **error_out); -void add_transport_disconnect( atransport* t, adisconnect* dis ); -void remove_transport_disconnect( atransport* t, adisconnect* dis ); -void run_transport_disconnects( atransport* t ); -void kick_transport( atransport* t ); - -/* initialize a transport object's func pointers and state */ -#if ADB_HOST -int get_available_local_transport_index(); -#endif -void init_usb_transport(atransport *t, usb_handle *usb, int state); - -/* for MacOS X cleanup */ -void close_usb_devices(); - -/* these should only be used for the "adb disconnect" command */ -void unregister_transport(atransport *t); -void unregister_all_tcp_transports(); - -void register_usb_transport(usb_handle *h, const char *serial, - const char* dev_path, unsigned writeable); - -/* this should only be used for transports with connection_state == CS_NOPERM */ -void unregister_usb_transport(usb_handle *usb); - -atransport *find_transport(const char *serial); -#if ADB_HOST -atransport* find_emulator_transport_by_adb_port(int adb_port); -#endif - -int service_to_fd(const char *name); -#if ADB_HOST -asocket *host_service_to_socket(const char* name, const char *serial); -#endif - -#if !ADB_HOST -typedef enum { - BACKUP, - RESTORE -} BackupOperation; -int backup_service(BackupOperation operation, char* args); -void framebuffer_service(int fd, void *cookie); -void log_service(int fd, void *cookie); -void remount_service(int fd, void *cookie); -char * get_log_file_path(const char * log_name); -#endif - -/* packet allocator */ -apacket *get_apacket(void); -void put_apacket(apacket *p); - -int check_header(apacket *p); -int check_data(apacket *p); - -/* define ADB_TRACE to 1 to enable tracing support, or 0 to disable it */ - -#define ADB_TRACE 1 - -/* IMPORTANT: if you change the following list, don't - * forget to update the corresponding 'tags' table in - * the adb_trace_init() function implemented in adb.c - */ -typedef enum { - TRACE_ADB = 0, /* 0x001 */ - TRACE_SOCKETS, - TRACE_PACKETS, - TRACE_TRANSPORT, - TRACE_RWX, /* 0x010 */ - TRACE_USB, - TRACE_SYNC, - TRACE_SYSDEPS, - TRACE_JDWP, /* 0x100 */ - TRACE_SERVICES, -} AdbTrace; - -#if ADB_TRACE - - extern int adb_trace_mask; - extern unsigned char adb_trace_output_count; - void adb_trace_init(void); - -# define ADB_TRACING ((adb_trace_mask & (1 << TRACE_TAG)) != 0) - - /* you must define TRACE_TAG before using this macro */ -# define D(...) \ - do { \ - if (ADB_TRACING) { \ - int save_errno = errno; \ - adb_mutex_lock(&D_lock); \ - fprintf(stderr, "%s::%s():", \ - __FILE__, __FUNCTION__); \ - errno = save_errno; \ - fprintf(stderr, __VA_ARGS__ ); \ - fflush(stderr); \ - adb_mutex_unlock(&D_lock); \ - errno = save_errno; \ - } \ - } while (0) -# define DR(...) \ - do { \ - if (ADB_TRACING) { \ - int save_errno = errno; \ - adb_mutex_lock(&D_lock); \ - errno = save_errno; \ - fprintf(stderr, __VA_ARGS__ ); \ - fflush(stderr); \ - adb_mutex_unlock(&D_lock); \ - errno = save_errno; \ - } \ - } while (0) -#else -# define D(...) ((void)0) -# define DR(...) ((void)0) -# define ADB_TRACING 0 -#endif - - -#if !TRACE_PACKETS -#define print_packet(tag,p) do {} while (0) -#endif - -#if ADB_HOST_ON_TARGET -/* adb and adbd are coexisting on the target, so use 5038 for adb - * to avoid conflicting with adbd's usage of 5037 - */ -# define DEFAULT_ADB_PORT 5038 -#else -# define DEFAULT_ADB_PORT 5037 -#endif - -#define DEFAULT_ADB_LOCAL_TRANSPORT_PORT 5555 - -#define ADB_CLASS 0xff -#define ADB_SUBCLASS 0x42 -#define ADB_PROTOCOL 0x1 - - -void local_init(int port); -int local_connect(int port); -int local_connect_arbitrary_ports(int console_port, int adb_port); - -/* usb host/client interface */ -void usb_init(); -void usb_cleanup(); -int usb_write(usb_handle *h, const void *data, int len); -int usb_read(usb_handle *h, void *data, int len); -int usb_close(usb_handle *h); -void usb_kick(usb_handle *h); - -/* used for USB device detection */ -#if ADB_HOST -int is_adb_interface(int vid, int pid, int usb_class, int usb_subclass, int usb_protocol); -#endif - -unsigned host_to_le32(unsigned n); -int adb_commandline(int argc, char **argv); - -int connection_state(atransport *t); - -#define CS_ANY -1 -#define CS_OFFLINE 0 -#define CS_BOOTLOADER 1 -#define CS_DEVICE 2 -#define CS_HOST 3 -#define CS_RECOVERY 4 -#define CS_NOPERM 5 /* Insufficient permissions to communicate with the device */ -#define CS_SIDELOAD 6 -#define CS_UNAUTHORIZED 7 - -extern int HOST; -extern int SHELL_EXIT_NOTIFY_FD; - -#define CHUNK_SIZE (64*1024) - -#if !ADB_HOST -#define USB_ADB_PATH "/dev/android_adb" - -#define USB_FFS_ADB_PATH "/dev/usb-ffs/adb/" -#define USB_FFS_ADB_EP(x) USB_FFS_ADB_PATH#x - -#define USB_FFS_ADB_EP0 USB_FFS_ADB_EP(ep0) -#define USB_FFS_ADB_OUT USB_FFS_ADB_EP(ep1) -#define USB_FFS_ADB_IN USB_FFS_ADB_EP(ep2) -#endif - -int sendfailmsg(int fd, const char *reason); -int handle_host_request(char *service, transport_type ttype, char* serial, int reply_fd, asocket *s); - -#ifdef __cplusplus -} -#endif - -#endif diff --git a/minadbd/adb_main.c b/minadbd/adb_main.c index 66d2702..a62881d 100644 --- a/minadbd/adb_main.c +++ b/minadbd/adb_main.c @@ -24,10 +24,12 @@ #include "adb.h" #include "sysdeps.h" -int adb_main() +int adb_main(int is_daemon, int server_port) { atexit(usb_cleanup); + adb_device_banner = "sideload"; + // No SIGCHLD. Let the service subproc handle its children. signal(SIGPIPE, SIG_IGN); diff --git a/minadbd/sockets.c b/minadbd/sockets.c deleted file mode 100644 index 817410d..0000000 --- a/minadbd/sockets.c +++ /dev/null @@ -1,731 +0,0 @@ -/* - * Copyright (C) 2007 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> -#include <errno.h> -#include <string.h> -#include <ctype.h> - -#include "sysdeps.h" - -#define TRACE_TAG TRACE_SOCKETS -#include "adb.h" - -ADB_MUTEX_DEFINE( socket_list_lock ); - -static void local_socket_close_locked(asocket *s); - -int sendfailmsg(int fd, const char *reason) -{ - char buf[9]; - int len; - len = strlen(reason); - if(len > 0xffff) len = 0xffff; - snprintf(buf, sizeof buf, "FAIL%04x", len); - if(writex(fd, buf, 8)) return -1; - return writex(fd, reason, len); -} - -//extern int online; - -static unsigned local_socket_next_id = 1; - -static asocket local_socket_list = { - .next = &local_socket_list, - .prev = &local_socket_list, -}; - -/* the the list of currently closing local sockets. -** these have no peer anymore, but still packets to -** write to their fd. -*/ -static asocket local_socket_closing_list = { - .next = &local_socket_closing_list, - .prev = &local_socket_closing_list, -}; - -asocket *find_local_socket(unsigned id) -{ - asocket *s; - asocket *result = NULL; - - adb_mutex_lock(&socket_list_lock); - for (s = local_socket_list.next; s != &local_socket_list; s = s->next) { - if (s->id == id) { - result = s; - break; - } - } - adb_mutex_unlock(&socket_list_lock); - - return result; -} - -static void -insert_local_socket(asocket* s, asocket* list) -{ - s->next = list; - s->prev = s->next->prev; - s->prev->next = s; - s->next->prev = s; -} - - -void install_local_socket(asocket *s) -{ - adb_mutex_lock(&socket_list_lock); - - s->id = local_socket_next_id++; - insert_local_socket(s, &local_socket_list); - - adb_mutex_unlock(&socket_list_lock); -} - -void remove_socket(asocket *s) -{ - // socket_list_lock should already be held - if (s->prev && s->next) - { - s->prev->next = s->next; - s->next->prev = s->prev; - s->next = 0; - s->prev = 0; - s->id = 0; - } -} - -void close_all_sockets(atransport *t) -{ - asocket *s; - - /* this is a little gross, but since s->close() *will* modify - ** the list out from under you, your options are limited. - */ - adb_mutex_lock(&socket_list_lock); -restart: - for(s = local_socket_list.next; s != &local_socket_list; s = s->next){ - if(s->transport == t || (s->peer && s->peer->transport == t)) { - local_socket_close_locked(s); - goto restart; - } - } - adb_mutex_unlock(&socket_list_lock); -} - -static int local_socket_enqueue(asocket *s, apacket *p) -{ - D("LS(%d): enqueue %d\n", s->id, p->len); - - p->ptr = p->data; - - /* if there is already data queue'd, we will receive - ** events when it's time to write. just add this to - ** the tail - */ - if(s->pkt_first) { - goto enqueue; - } - - /* write as much as we can, until we - ** would block or there is an error/eof - */ - while(p->len > 0) { - int r = adb_write(s->fd, p->ptr, p->len); - if(r > 0) { - p->len -= r; - p->ptr += r; - continue; - } - if((r == 0) || (errno != EAGAIN)) { - D( "LS(%d): not ready, errno=%d: %s\n", s->id, errno, strerror(errno) ); - s->close(s); - return 1; /* not ready (error) */ - } else { - break; - } - } - - if(p->len == 0) { - put_apacket(p); - return 0; /* ready for more data */ - } - -enqueue: - p->next = 0; - if(s->pkt_first) { - s->pkt_last->next = p; - } else { - s->pkt_first = p; - } - s->pkt_last = p; - - /* make sure we are notified when we can drain the queue */ - fdevent_add(&s->fde, FDE_WRITE); - - return 1; /* not ready (backlog) */ -} - -static void local_socket_ready(asocket *s) -{ - /* far side is ready for data, pay attention to - readable events */ - fdevent_add(&s->fde, FDE_READ); -// D("LS(%d): ready()\n", s->id); -} - -static void local_socket_close(asocket *s) -{ - adb_mutex_lock(&socket_list_lock); - local_socket_close_locked(s); - adb_mutex_unlock(&socket_list_lock); -} - -// be sure to hold the socket list lock when calling this -static void local_socket_destroy(asocket *s) -{ - apacket *p, *n; - D("LS(%d): destroying fde.fd=%d\n", s->id, s->fde.fd); - - /* IMPORTANT: the remove closes the fd - ** that belongs to this socket - */ - fdevent_remove(&s->fde); - - /* dispose of any unwritten data */ - for(p = s->pkt_first; p; p = n) { - D("LS(%d): discarding %d bytes\n", s->id, p->len); - n = p->next; - put_apacket(p); - } - remove_socket(s); - free(s); -} - - -static void local_socket_close_locked(asocket *s) -{ - D("entered. LS(%d) fd=%d\n", s->id, s->fd); - if(s->peer) { - D("LS(%d): closing peer. peer->id=%d peer->fd=%d\n", - s->id, s->peer->id, s->peer->fd); - s->peer->peer = 0; - // tweak to avoid deadlock - if (s->peer->close == local_socket_close) { - local_socket_close_locked(s->peer); - } else { - s->peer->close(s->peer); - } - s->peer = 0; - } - - /* If we are already closing, or if there are no - ** pending packets, destroy immediately - */ - if (s->closing || s->pkt_first == NULL) { - int id = s->id; - local_socket_destroy(s); - D("LS(%d): closed\n", id); - return; - } - - /* otherwise, put on the closing list - */ - D("LS(%d): closing\n", s->id); - s->closing = 1; - fdevent_del(&s->fde, FDE_READ); - remove_socket(s); - D("LS(%d): put on socket_closing_list fd=%d\n", s->id, s->fd); - insert_local_socket(s, &local_socket_closing_list); -} - -static void local_socket_event_func(int fd, unsigned ev, void *_s) -{ - asocket *s = _s; - - D("LS(%d): event_func(fd=%d(==%d), ev=%04x)\n", s->id, s->fd, fd, ev); - - /* put the FDE_WRITE processing before the FDE_READ - ** in order to simplify the code. - */ - if(ev & FDE_WRITE){ - apacket *p; - - while((p = s->pkt_first) != 0) { - while(p->len > 0) { - int r = adb_write(fd, p->ptr, p->len); - if(r > 0) { - p->ptr += r; - p->len -= r; - continue; - } - if(r < 0) { - /* returning here is ok because FDE_READ will - ** be processed in the next iteration loop - */ - if(errno == EAGAIN) return; - if(errno == EINTR) continue; - } - D(" closing after write because r=%d and errno is %d\n", r, errno); - s->close(s); - return; - } - - if(p->len == 0) { - s->pkt_first = p->next; - if(s->pkt_first == 0) s->pkt_last = 0; - put_apacket(p); - } - } - - /* if we sent the last packet of a closing socket, - ** we can now destroy it. - */ - if (s->closing) { - D(" closing because 'closing' is set after write\n"); - s->close(s); - return; - } - - /* no more packets queued, so we can ignore - ** writable events again and tell our peer - ** to resume writing - */ - fdevent_del(&s->fde, FDE_WRITE); - s->peer->ready(s->peer); - } - - - if(ev & FDE_READ){ - apacket *p = get_apacket(); - unsigned char *x = p->data; - size_t avail = MAX_PAYLOAD; - int r; - int is_eof = 0; - - while(avail > 0) { - r = adb_read(fd, x, avail); - D("LS(%d): post adb_read(fd=%d,...) r=%d (errno=%d) avail=%zu\n", - s->id, s->fd, r, r<0?errno:0, avail); - if(r > 0) { - avail -= r; - x += r; - continue; - } - if(r < 0) { - if(errno == EAGAIN) break; - if(errno == EINTR) continue; - } - - /* r = 0 or unhandled error */ - is_eof = 1; - break; - } - D("LS(%d): fd=%d post avail loop. r=%d is_eof=%d forced_eof=%d\n", - s->id, s->fd, r, is_eof, s->fde.force_eof); - if((avail == MAX_PAYLOAD) || (s->peer == 0)) { - put_apacket(p); - } else { - p->len = MAX_PAYLOAD - avail; - - r = s->peer->enqueue(s->peer, p); - D("LS(%d): fd=%d post peer->enqueue(). r=%d\n", s->id, s->fd, r); - - if(r < 0) { - /* error return means they closed us as a side-effect - ** and we must return immediately. - ** - ** note that if we still have buffered packets, the - ** socket will be placed on the closing socket list. - ** this handler function will be called again - ** to process FDE_WRITE events. - */ - return; - } - - if(r > 0) { - /* if the remote cannot accept further events, - ** we disable notification of READs. They'll - ** be enabled again when we get a call to ready() - */ - fdevent_del(&s->fde, FDE_READ); - } - } - /* Don't allow a forced eof if data is still there */ - if((s->fde.force_eof && !r) || is_eof) { - D(" closing because is_eof=%d r=%d s->fde.force_eof=%d\n", is_eof, r, s->fde.force_eof); - s->close(s); - } - } - - if(ev & FDE_ERROR){ - /* this should be caught be the next read or write - ** catching it here means we may skip the last few - ** bytes of readable data. - */ -// s->close(s); - D("LS(%d): FDE_ERROR (fd=%d)\n", s->id, s->fd); - - return; - } -} - -asocket *create_local_socket(int fd) -{ - asocket *s = calloc(1, sizeof(asocket)); - if (s == NULL) fatal("cannot allocate socket"); - s->fd = fd; - s->enqueue = local_socket_enqueue; - s->ready = local_socket_ready; - s->close = local_socket_close; - install_local_socket(s); - - fdevent_install(&s->fde, fd, local_socket_event_func, s); -/* fdevent_add(&s->fde, FDE_ERROR); */ - //fprintf(stderr, "Created local socket in create_local_socket \n"); - D("LS(%d): created (fd=%d)\n", s->id, s->fd); - return s; -} - -asocket *create_local_service_socket(const char *name) -{ - asocket *s; - int fd; - - fd = service_to_fd(name); - if(fd < 0) return 0; - - s = create_local_socket(fd); - D("LS(%d): bound to '%s' via %d\n", s->id, name, fd); - return s; -} - -/* a Remote socket is used to send/receive data to/from a given transport object -** it needs to be closed when the transport is forcibly destroyed by the user -*/ -typedef struct aremotesocket { - asocket socket; - adisconnect disconnect; -} aremotesocket; - -static int remote_socket_enqueue(asocket *s, apacket *p) -{ - D("entered remote_socket_enqueue RS(%d) WRITE fd=%d peer.fd=%d\n", - s->id, s->fd, s->peer->fd); - p->msg.command = A_WRTE; - p->msg.arg0 = s->peer->id; - p->msg.arg1 = s->id; - p->msg.data_length = p->len; - send_packet(p, s->transport); - return 1; -} - -static void remote_socket_ready(asocket *s) -{ - D("entered remote_socket_ready RS(%d) OKAY fd=%d peer.fd=%d\n", - s->id, s->fd, s->peer->fd); - apacket *p = get_apacket(); - p->msg.command = A_OKAY; - p->msg.arg0 = s->peer->id; - p->msg.arg1 = s->id; - send_packet(p, s->transport); -} - -static void remote_socket_close(asocket *s) -{ - D("entered remote_socket_close RS(%d) CLOSE fd=%d peer->fd=%d\n", - s->id, s->fd, s->peer?s->peer->fd:-1); - apacket *p = get_apacket(); - p->msg.command = A_CLSE; - if(s->peer) { - p->msg.arg0 = s->peer->id; - s->peer->peer = 0; - D("RS(%d) peer->close()ing peer->id=%d peer->fd=%d\n", - s->id, s->peer->id, s->peer->fd); - s->peer->close(s->peer); - } - p->msg.arg1 = s->id; - send_packet(p, s->transport); - D("RS(%d): closed\n", s->id); - remove_transport_disconnect( s->transport, &((aremotesocket*)s)->disconnect ); - free(s); -} - -static void remote_socket_disconnect(void* _s, atransport* t) -{ - asocket* s = _s; - asocket* peer = s->peer; - - D("remote_socket_disconnect RS(%d)\n", s->id); - if (peer) { - peer->peer = NULL; - peer->close(peer); - } - remove_transport_disconnect( s->transport, &((aremotesocket*)s)->disconnect ); - free(s); -} - -asocket *create_remote_socket(unsigned id, atransport *t) -{ - asocket *s = calloc(1, sizeof(aremotesocket)); - adisconnect* dis = &((aremotesocket*)s)->disconnect; - - if (s == NULL) fatal("cannot allocate socket"); - s->id = id; - s->enqueue = remote_socket_enqueue; - s->ready = remote_socket_ready; - s->close = remote_socket_close; - s->transport = t; - - dis->func = remote_socket_disconnect; - dis->opaque = s; - add_transport_disconnect( t, dis ); - D("RS(%d): created\n", s->id); - return s; -} - -void connect_to_remote(asocket *s, const char *destination) -{ - D("Connect_to_remote call RS(%d) fd=%d\n", s->id, s->fd); - apacket *p = get_apacket(); - int len = strlen(destination) + 1; - - if(len > (MAX_PAYLOAD-1)) { - fatal("destination oversized"); - } - - D("LS(%d): connect('%s')\n", s->id, destination); - p->msg.command = A_OPEN; - p->msg.arg0 = s->id; - p->msg.data_length = len; - strcpy((char*) p->data, destination); - send_packet(p, s->transport); -} - - -/* this is used by magic sockets to rig local sockets to - send the go-ahead message when they connect */ -static void local_socket_ready_notify(asocket *s) -{ - s->ready = local_socket_ready; - s->close = local_socket_close; - adb_write(s->fd, "OKAY", 4); - s->ready(s); -} - -/* this is used by magic sockets to rig local sockets to - send the failure message if they are closed before - connected (to avoid closing them without a status message) */ -static void local_socket_close_notify(asocket *s) -{ - s->ready = local_socket_ready; - s->close = local_socket_close; - sendfailmsg(s->fd, "closed"); - s->close(s); -} - -unsigned unhex(unsigned char *s, int len) -{ - unsigned n = 0, c; - - while(len-- > 0) { - switch((c = *s++)) { - case '0': case '1': case '2': - case '3': case '4': case '5': - case '6': case '7': case '8': - case '9': - c -= '0'; - break; - case 'a': case 'b': case 'c': - case 'd': case 'e': case 'f': - c = c - 'a' + 10; - break; - case 'A': case 'B': case 'C': - case 'D': case 'E': case 'F': - c = c - 'A' + 10; - break; - default: - return 0xffffffff; - } - - n = (n << 4) | c; - } - - return n; -} - -/* skip_host_serial return the position in a string - skipping over the 'serial' parameter in the ADB protocol, - where parameter string may be a host:port string containing - the protocol delimiter (colon). */ -char *skip_host_serial(char *service) { - char *first_colon, *serial_end; - - first_colon = strchr(service, ':'); - if (!first_colon) { - /* No colon in service string. */ - return NULL; - } - serial_end = first_colon; - if (isdigit(serial_end[1])) { - serial_end++; - while ((*serial_end) && isdigit(*serial_end)) { - serial_end++; - } - if ((*serial_end) != ':') { - // Something other than numbers was found, reset the end. - serial_end = first_colon; - } - } - return serial_end; -} - -static int smart_socket_enqueue(asocket *s, apacket *p) -{ - unsigned len; - - D("SS(%d): enqueue %d\n", s->id, p->len); - - if(s->pkt_first == 0) { - s->pkt_first = p; - s->pkt_last = p; - } else { - if((s->pkt_first->len + p->len) > MAX_PAYLOAD) { - D("SS(%d): overflow\n", s->id); - put_apacket(p); - goto fail; - } - - memcpy(s->pkt_first->data + s->pkt_first->len, - p->data, p->len); - s->pkt_first->len += p->len; - put_apacket(p); - - p = s->pkt_first; - } - - /* don't bother if we can't decode the length */ - if(p->len < 4) return 0; - - len = unhex(p->data, 4); - if((len < 1) || (len > 1024)) { - D("SS(%d): bad size (%d)\n", s->id, len); - goto fail; - } - - D("SS(%d): len is %d\n", s->id, len ); - /* can't do anything until we have the full header */ - if((len + 4) > p->len) { - D("SS(%d): waiting for %d more bytes\n", s->id, len+4 - p->len); - return 0; - } - - p->data[len + 4] = 0; - - D("SS(%d): '%s'\n", s->id, (char*) (p->data + 4)); - - if (s->transport == NULL) { - char* error_string = "unknown failure"; - s->transport = acquire_one_transport (CS_ANY, - kTransportAny, NULL, &error_string); - - if (s->transport == NULL) { - sendfailmsg(s->peer->fd, error_string); - goto fail; - } - } - - if(!(s->transport) || (s->transport->connection_state == CS_OFFLINE)) { - /* if there's no remote we fail the connection - ** right here and terminate it - */ - sendfailmsg(s->peer->fd, "device offline (x)"); - goto fail; - } - - - /* instrument our peer to pass the success or fail - ** message back once it connects or closes, then - ** detach from it, request the connection, and - ** tear down - */ - s->peer->ready = local_socket_ready_notify; - s->peer->close = local_socket_close_notify; - s->peer->peer = 0; - /* give him our transport and upref it */ - s->peer->transport = s->transport; - - connect_to_remote(s->peer, (char*) (p->data + 4)); - s->peer = 0; - s->close(s); - return 1; - -fail: - /* we're going to close our peer as a side-effect, so - ** return -1 to signal that state to the local socket - ** who is enqueueing against us - */ - s->close(s); - return -1; -} - -static void smart_socket_ready(asocket *s) -{ - D("SS(%d): ready\n", s->id); -} - -static void smart_socket_close(asocket *s) -{ - D("SS(%d): closed\n", s->id); - if(s->pkt_first){ - put_apacket(s->pkt_first); - } - if(s->peer) { - s->peer->peer = 0; - s->peer->close(s->peer); - s->peer = 0; - } - free(s); -} - -asocket *create_smart_socket(void (*action_cb)(asocket *s, const char *act)) -{ - D("Creating smart socket \n"); - asocket *s = calloc(1, sizeof(asocket)); - if (s == NULL) fatal("cannot allocate socket"); - s->enqueue = smart_socket_enqueue; - s->ready = smart_socket_ready; - s->close = smart_socket_close; - s->extra = action_cb; - - D("SS(%d): created %p\n", s->id, action_cb); - return s; -} - -void smart_socket_action(asocket *s, const char *act) -{ - -} - -void connect_to_smartsocket(asocket *s) -{ - D("Connecting to smart socket \n"); - asocket *ss = create_smart_socket(smart_socket_action); - s->peer = ss; - ss->peer = s; - s->ready(s); -} diff --git a/recovery.cpp b/recovery.cpp index d8756d7..2b5332e 100644 --- a/recovery.cpp +++ b/recovery.cpp @@ -43,7 +43,7 @@ #include "device.h" #include "adb_install.h" extern "C" { -#include "minadbd/adb.h" +#include "adb.h" #include "fuse_sideload.h" #include "fuse_sdcard_provider.h" } @@ -841,7 +841,7 @@ main(int argc, char **argv) { // only way recovery should be run with this argument is when it // starts a copy of itself from the apply_from_adb() function. if (argc == 2 && strcmp(argv[1], "--adbd") == 0) { - adb_main(); + adb_main(0, DEFAULT_ADB_PORT); return 0; } |