1 #include <stdio.h> 2 #include <stdlib.h> 3 #include <string.h> 4 #include <errno.h> 5 #include <limits.h> 6 #include <stdarg.h> 7 #include <zipfile/zipfile.h> 8 #include <sys/types.h> 9 #include <sys/stat.h> 10 11 #include "sysdeps.h" 12 13 #define TRACE_TAG TRACE_ADB 14 #include "adb_client.h" 15 16 static transport_type __adb_transport = kTransportAny; 17 static const char* __adb_serial = NULL; 18 19 void adb_set_transport(transport_type type, const char* serial) 20 { 21 __adb_transport = type; 22 __adb_serial = serial; 23 } 24 25 int adb_get_emulator_console_port(void) 26 { 27 const char* serial = __adb_serial; 28 int port; 29 30 if (serial == NULL) { 31 /* if no specific device was specified, we need to look at */ 32 /* the list of connected devices, and extract an emulator */ 33 /* name from it. two emulators is an error */ 34 char* tmp = adb_query("host:devices"); 35 char* p = tmp; 36 if(!tmp) { 37 printf("no emulator connected\n"); 38 return -1; 39 } 40 while (*p) { 41 char* q = strchr(p, '\n'); 42 if (q != NULL) 43 *q++ = 0; 44 else 45 q = p + strlen(p); 46 47 if (!memcmp(p, LOCAL_CLIENT_PREFIX, sizeof(LOCAL_CLIENT_PREFIX)-1)) { 48 if (serial != NULL) { /* more than one emulator listed */ 49 free(tmp); 50 return -2; 51 } 52 serial = p; 53 } 54 55 p = q; 56 } 57 free(tmp); 58 59 if (serial == NULL) 60 return -1; /* no emulator found */ 61 } 62 else { 63 if (memcmp(serial, LOCAL_CLIENT_PREFIX, sizeof(LOCAL_CLIENT_PREFIX)-1) != 0) 64 return -1; /* not an emulator */ 65 } 66 67 serial += sizeof(LOCAL_CLIENT_PREFIX)-1; 68 port = strtol(serial, NULL, 10); 69 return port; 70 } 71 72 static char __adb_error[256] = { 0 }; 73 74 const char *adb_error(void) 75 { 76 return __adb_error; 77 } 78 79 static int switch_socket_transport(int fd) 80 { 81 char service[64]; 82 char tmp[5]; 83 int len; 84 85 if (__adb_serial) 86 snprintf(service, sizeof service, "host:transport:%s", __adb_serial); 87 else { 88 char* transport_type = "???"; 89 90 switch (__adb_transport) { 91 case kTransportUsb: 92 transport_type = "transport-usb"; 93 break; 94 case kTransportLocal: 95 transport_type = "transport-local"; 96 break; 97 case kTransportAny: 98 transport_type = "transport-any"; 99 break; 100 case kTransportHost: 101 // no switch necessary 102 return 0; 103 break; 104 } 105 106 snprintf(service, sizeof service, "host:%s", transport_type); 107 } 108 len = strlen(service); 109 snprintf(tmp, sizeof tmp, "%04x", len); 110 111 if(writex(fd, tmp, 4) || writex(fd, service, len)) { 112 strcpy(__adb_error, "write failure during connection"); 113 adb_close(fd); 114 return -1; 115 } 116 D("Switch transport in progress\n"); 117 118 if(adb_status(fd)) { 119 adb_close(fd); 120 D("Switch transport failed\n"); 121 return -1; 122 } 123 D("Switch transport success\n"); 124 return 0; 125 } 126 127 int adb_status(int fd) 128 { 129 unsigned char buf[5]; 130 unsigned len; 131 132 if(readx(fd, buf, 4)) { 133 strcpy(__adb_error, "protocol fault (no status)"); 134 return -1; 135 } 136 137 if(!memcmp(buf, "OKAY", 4)) { 138 return 0; 139 } 140 141 if(memcmp(buf, "FAIL", 4)) { 142 sprintf(__adb_error, 143 "protocol fault (status %02x %02x %02x %02x?!)", 144 buf[0], buf[1], buf[2], buf[3]); 145 return -1; 146 } 147 148 if(readx(fd, buf, 4)) { 149 strcpy(__adb_error, "protocol fault (status len)"); 150 return -1; 151 } 152 buf[4] = 0; 153 len = strtoul((char*)buf, 0, 16); 154 if(len > 255) len = 255; 155 if(readx(fd, __adb_error, len)) { 156 strcpy(__adb_error, "protocol fault (status read)"); 157 return -1; 158 } 159 __adb_error[len] = 0; 160 return -1; 161 } 162 163 int _adb_connect(const char *service) 164 { 165 char tmp[5]; 166 int len; 167 int fd; 168 169 D("_adb_connect: %s\n", service); 170 len = strlen(service); 171 if((len < 1) || (len > 1024)) { 172 strcpy(__adb_error, "service name too long"); 173 return -1; 174 } 175 snprintf(tmp, sizeof tmp, "%04x", len); 176 177 fd = socket_loopback_client(ADB_PORT, SOCK_STREAM); 178 if(fd < 0) { 179 strcpy(__adb_error, "cannot connect to daemon"); 180 return -2; 181 } 182 183 if (memcmp(service,"host",4) != 0 && switch_socket_transport(fd)) { 184 return -1; 185 } 186 187 if(writex(fd, tmp, 4) || writex(fd, service, len)) { 188 strcpy(__adb_error, "write failure during connection"); 189 adb_close(fd); 190 return -1; 191 } 192 193 if(adb_status(fd)) { 194 adb_close(fd); 195 return -1; 196 } 197 198 return fd; 199 } 200 201 int adb_connect(const char *service) 202 { 203 // first query the adb server's version 204 int fd = _adb_connect("host:version"); 205 206 if(fd == -2) { 207 fprintf(stdout,"* daemon not running. starting it now *\n"); 208 start_server: 209 if(launch_server(0)) { 210 fprintf(stderr,"* failed to start daemon *\n"); 211 return -1; 212 } else { 213 fprintf(stdout,"* daemon started successfully *\n"); 214 } 215 /* give the server some time to start properly and detect devices */ 216 adb_sleep_ms(3000); 217 // fall through to _adb_connect 218 } else { 219 // if server was running, check its version to make sure it is not out of date 220 char buf[100]; 221 int n; 222 int version = ADB_SERVER_VERSION - 1; 223 224 // if we have a file descriptor, then parse version result 225 if(fd >= 0) { 226 if(readx(fd, buf, 4)) goto error; 227 228 buf[4] = 0; 229 n = strtoul(buf, 0, 16); 230 if(n > (int)sizeof(buf)) goto error; 231 if(readx(fd, buf, n)) goto error; 232 adb_close(fd); 233 234 if (sscanf(buf, "%04x", &version) != 1) goto error; 235 } else { 236 // if fd is -1, then check for "unknown host service", 237 // which would indicate a version of adb that does not support the version command 238 if (strcmp(__adb_error, "unknown host service") != 0) 239 return fd; 240 } 241 242 if(version != ADB_SERVER_VERSION) { 243 printf("adb server is out of date. killing...\n"); 244 fd = _adb_connect("host:kill"); 245 adb_close(fd); 246 247 /* XXX can we better detect its death? */ 248 adb_sleep_ms(2000); 249 goto start_server; 250 } 251 } 252 253 // if the command is start-server, we are done. 254 if (!strcmp(service, "host:start-server")) 255 return 0; 256 257 fd = _adb_connect(service); 258 if(fd == -2) { 259 fprintf(stderr,"** daemon still not running"); 260 } 261 262 return fd; 263 error: 264 adb_close(fd); 265 return -1; 266 } 267 268 269 int adb_command(const char *service) 270 { 271 int fd = adb_connect(service); 272 if(fd < 0) { 273 return -1; 274 } 275 276 if(adb_status(fd)) { 277 adb_close(fd); 278 return -1; 279 } 280 281 return 0; 282 } 283 284 char *adb_query(const char *service) 285 { 286 char buf[5]; 287 unsigned n; 288 char *tmp; 289 290 D("adb_query: %s\n", service); 291 int fd = adb_connect(service); 292 if(fd < 0) { 293 fprintf(stderr,"error: %s\n", __adb_error); 294 return 0; 295 } 296 297 if(readx(fd, buf, 4)) goto oops; 298 299 buf[4] = 0; 300 n = strtoul(buf, 0, 16); 301 if(n > 1024) goto oops; 302 303 tmp = malloc(n + 1); 304 if(tmp == 0) goto oops; 305 306 if(readx(fd, tmp, n) == 0) { 307 tmp[n] = 0; 308 adb_close(fd); 309 return tmp; 310 } 311 free(tmp); 312 313 oops: 314 adb_close(fd); 315 return 0; 316 } 317 318 319
