code.vuplus.com Git - vuplus_dvbapp/blob - main/bsod.cpp

   1 #include <string.h>
   2 #include <signal.h>
   3 #include <asm/ptrace.h>
   4
   5 #include <lib/base/eenv.h>
   6 #include <lib/base/eerror.h>
   7 #include <lib/base/smartptr.h>
   8 #include <lib/base/nconfig.h>
   9 #include <lib/gdi/grc.h>
  10 #include <lib/gdi/gfbdc.h>
  11 #ifdef WITH_SDL
  12 #include <lib/gdi/sdl.h>
  13 #endif
  14
  15 #include "version.h"
  16
  17 /************************************************/
  18
  19 #define CRASH_EMAILADDR "crashlog@dream-multimedia-tv.de"
  20 #define STDBUFFER_SIZE 512
  21 #define RINGBUFFER_SIZE 16384
  22 static char ringbuffer[RINGBUFFER_SIZE];
  23 static int ringbuffer_head;
  24
  25 static void addToLogbuffer(const char *data, int len)
  26 {
  27         while (len)
  28         {
  29                 int remaining = RINGBUFFER_SIZE - ringbuffer_head;
  30
  31                 if (remaining > len)
  32                         remaining = len;
  33
  34                 memcpy(ringbuffer + ringbuffer_head, data, remaining);
  35                 len -= remaining;
  36                 data += remaining;
  37                 ringbuffer_head += remaining;
  38                 if (ringbuffer_head >= RINGBUFFER_SIZE)
  39                         ringbuffer_head = 0;
  40         }
  41 }
  42
  43 static std::string getLogBuffer()
  44 {
  45         int begin = ringbuffer_head;
  46         while (ringbuffer[begin] == 0)
  47         {
  48                 ++begin;
  49                 if (begin == RINGBUFFER_SIZE)
  50                         begin = 0;
  51                 if (begin == ringbuffer_head)
  52                         return "";
  53         }
  54         if (begin < ringbuffer_head)
  55                 return std::string(ringbuffer + begin, ringbuffer_head - begin);
  56         else
  57         {
  58                 return std::string(ringbuffer + begin, RINGBUFFER_SIZE - begin) + std::string(ringbuffer, ringbuffer_head);
  59         }
  60 }
  61
  62 static void addToLogbuffer(int level, const std::string &log)
  63 {
  64         addToLogbuffer(log.c_str(), log.size());
  65 }
  66
  67 static std::string getConfigFileValue(const char *entry)
  68 {
  69         std::string configfile = eEnv::resolve("${sysconfdir}/enigma2/settings");
  70         std::string configvalue;
  71         if (entry)
  72         {
  73                 ePythonConfigQuery::getConfigValue(entry, configvalue);
  74                 if (configvalue != "") //we get at least the default value if python is still alive
  75                 {
  76                         return configvalue;
  77                 }
  78                 else // get value from enigma2 settings file
  79                 {
  80                         FILE *f = fopen(configfile.c_str(), "r");
  81                         if (!f)
  82                         {
  83                                 return "Error";
  84                         }
  85                         while (1)
  86                         {
  87                                 char line[1024];
  88                                 if (!fgets(line, 1024, f))
  89                                         break;
  90                                 if (!strncmp(line, entry, strlen(entry) ))
  91                                 {
  92                                         if (strlen(line) && line[strlen(line)-1] == '\r')
  93                                                 line[strlen(line)-1] = 0;
  94                                         if (strlen(line) && line[strlen(line)-1] == '\n')
  95                                                 line[strlen(line)-1] = 0;
  96                                         std::string tmp = line;
  97                                         int posEqual = tmp.find("=", 0);
  98                                         configvalue = tmp.substr(posEqual+1);
  99                                 }
 100                         }
 101                         fclose(f);
 102                         return configvalue;
 103                 }
 104         }
 105 }
 106
 107 static std::string getFileContent(const char *file)
 108 {
 109         std::string filecontent;
 110
 111         if (file)
 112         {
 113                 FILE *f = fopen(file, "r");
 114                 if (!f)
 115                 {
 116                         return "Error";
 117                 }
 118                 while (1)
 119                 {
 120                         char line[1024];
 121                         if (!fgets(line, 1024, f))
 122                                 break;
 123                         std::string tmp = line;
 124                         std::string password;
 125                         int pwdpos = tmp.find(".password=", 0);
 126                         if( pwdpos != std::string::npos)
 127                         {
 128                                 filecontent += tmp.substr(0,pwdpos +10);
 129                                 for ( int pos = pwdpos +10; pos < tmp.length()-1; ++pos )
 130                                 {
 131                                         filecontent += "X";
 132                                 }
 133                                 filecontent += "\n";
 134                         }
 135                         else {
 136                                 filecontent += line;
 137                         }
 138                 }
 139                 fclose(f);
 140         }
 141         return filecontent;
 142 }
 143
 144 static std::string execCommand(std::string cmd) {
 145         FILE* pipe = popen(cmd.c_str(), "r");
 146         if (!pipe)
 147                 return "Error";
 148         char buffer[STDBUFFER_SIZE];
 149         std::string result = "";
 150         while(!feof(pipe))
 151         {
 152                 if(!fgets(buffer,STDBUFFER_SIZE, pipe))
 153                         break;
 154                 result += buffer;
 155         }
 156         pclose(pipe);
 157         return result;
 158 }
 159
 160 #define INFOFILE "/maintainer.info"
 161
 162 void bsodFatal(const char *component)
 163 {
 164         char logfile[128];
 165         sprintf(logfile, "/media/hdd/enigma2_crash_%u.log", (unsigned int)time(0));
 166         FILE *f = fopen(logfile, "wb");
 167
 168         std::string lines = getLogBuffer();
 169
 170                 /* find python-tracebacks, and extract "  File "-strings */
 171         size_t start = 0;
 172
 173         char crash_emailaddr[256] = CRASH_EMAILADDR;
 174         char crash_component[256] = "enigma2";
 175
 176         if (component)
 177                 snprintf(crash_component, 256, component);
 178         else
 179         {
 180                 while ((start = lines.find("\n  File \"", start)) != std::string::npos)
 181                 {
 182                         start += 9;
 183                         size_t end = lines.find("\"", start);
 184                         if (end == std::string::npos)
 185                                 break;
 186                         end = lines.rfind("/", end);
 187                                 /* skip a potential prefix to the path */
 188                         unsigned int path_prefix = lines.find("/usr/", start);
 189                         if (path_prefix != std::string::npos && path_prefix < end)
 190                                 start = path_prefix;
 191
 192                         if (end == std::string::npos)
 193                                 break;
 194                         if (end - start >= (256 - strlen(INFOFILE)))
 195                                 continue;
 196                         char filename[256];
 197                         snprintf(filename, 256, "%s%s", lines.substr(start, end - start).c_str(), INFOFILE);
 198                         FILE *cf = fopen(filename, "r");
 199                         if (cf)
 200                         {
 201                                 fgets(crash_emailaddr, sizeof crash_emailaddr, cf);
 202                                 if (*crash_emailaddr && crash_emailaddr[strlen(crash_emailaddr)-1] == '\n')
 203                                         crash_emailaddr[strlen(crash_emailaddr)-1] = 0;
 204
 205                                 fgets(crash_component, sizeof crash_component, cf);
 206                                 if (*crash_component && crash_component[strlen(crash_component)-1] == '\n')
 207                                         crash_component[strlen(crash_component)-1] = 0;
 208                                 fclose(cf);
 209                         }
 210                 }
 211         }
 212
 213         if (f)
 214         {
 215                 time_t t = time(0);
 216                 char crashtime[STDBUFFER_SIZE];
 217                 sprintf(crashtime, "%s",ctime(&t));
 218                 if (strlen(crashtime) && crashtime[strlen(crashtime)-1] == '\n')
 219                                 crashtime[strlen(crashtime)-1] = 0;
 220                 fprintf(f, "<?xml version=\"1.0\" encoding=\"iso-8859-1\" ?>\n<opendreambox>\n");
 221                 fprintf(f, "\t<enigma2>\n");
 222                 fprintf(f, "\t\t<crashdate>%s</crashdate>\n", crashtime);
 223 #ifdef ENIGMA2_CHECKOUT_TAG
 224                 fprintf(f, "\t\t<checkouttag>" ENIGMA2_CHECKOUT_TAG "</checkouttag>\n");
 225 #else
 226                 fprintf(f, "\t\t<compiledate>" __DATE__ "</compiledate>\n");
 227 #endif
 228 #ifdef ENIGMA2_CHECKOUT_ROOT
 229                 fprintf(f, "\t\t<checkoutroot>" ENIGMA2_CHECKOUT_ROOT "</checkoutroot>\n");
 230 #endif
 231                 fprintf(f, "\t\t<contactemail>%s</contactemail>\n", crash_emailaddr);
 232                 fprintf(f, "\t\t<!-- Please email this crashlog to above address -->\n");
 233                 std::string activeSkin = getConfigFileValue("config.skin.primary_skin");
 234                 if (activeSkin != "Error")
 235                 {
 236                         if (activeSkin == "")
 237                                 activeSkin = "Default Skin";
 238                         fprintf(f, "\t\t<skin>%s</skin>\n", activeSkin.c_str());
 239                 }
 240                 fprintf(f, "\t</enigma2>\n");
 241
 242                 fprintf(f, "\t<image>\n");
 243                 std::string model = getFileContent("/proc/stb/info/model");
 244                 if (model != "Error")
 245                 {
 246                         char modelname[STDBUFFER_SIZE];
 247                         sprintf(modelname, "%s",model.c_str());
 248                         if (strlen(modelname) && modelname[strlen(modelname)-1] == '\n')
 249                                 modelname[strlen(modelname)-1] = 0;
 250                         fprintf(f, "\t\t<dreamboxmodel>%s</dreamboxmodel>\n", modelname);
 251                 }
 252                 std::string kernel = getFileContent("/proc/cmdline");
 253                 if (kernel != "Error")
 254                 {
 255                         char kernelcmd[STDBUFFER_SIZE];
 256                         sprintf(kernelcmd, "%s",kernel.c_str());
 257                         if (strlen(kernelcmd) && kernelcmd[strlen(kernelcmd)-1] == '\n')
 258                                 kernelcmd[strlen(kernelcmd)-1] = 0;
 259                         fprintf(f, "\t\t<kernelcmdline>%s</kernelcmdline>\n", kernelcmd);
 260                 }
 261                 std::string sendAnonCrashlog = getConfigFileValue("config.plugins.crashlogautosubmit.sendAnonCrashlog");
 262                 if (sendAnonCrashlog == "False" || sendAnonCrashlog == "false") // defaults to true... default anonymized crashlogs
 263                 {
 264                         std::string ca = getFileContent("/proc/stb/info/ca");
 265                         if (ca != "Error")
 266                         {
 267                                 char dreamboxca[STDBUFFER_SIZE];
 268                                 sprintf(dreamboxca, "%s",ca.c_str());
 269                                 if (strlen(dreamboxca) && dreamboxca[strlen(dreamboxca)-1] == '\n')
 270                                         dreamboxca[strlen(dreamboxca)-1] = 0;
 271                                 fprintf(f, "\t\t<dreamboxca>\n\t\t<![CDATA[\n%s\n\t\t]]>\n\t\t</dreamboxca>\n", dreamboxca);
 272                         }
 273                         std::string settings = getFileContent(eEnv::resolve("${sysconfdir}/enigma2/settings").c_str());
 274                         if (settings != "Error")
 275                         {
 276                                 fprintf(f, "\t\t<enigma2settings>\n\t\t<![CDATA[\n%s\t\t]]>\n\t\t</enigma2settings>\n", settings.c_str());
 277                         }
 278                 }
 279                 std::string addNetwork = getConfigFileValue("config.plugins.crashlogautosubmit.addNetwork");
 280                 if (addNetwork == "True" || addNetwork == "true")
 281                 {
 282                         std::string nwinterfaces = getFileContent("/etc/network/interfaces");
 283                         if (nwinterfaces != "Error")
 284                         {
 285                                 fprintf(f, "\t\t<networkinterfaces>\n\t\t<![CDATA[\n%s\t\t]]>\n\t\t</networkinterfaces>\n", nwinterfaces.c_str());
 286                         }
 287                         std::string dns = getFileContent("/etc/resolv.conf");
 288                         if (dns != "Error")
 289                         {
 290                                 fprintf(f, "\t\t<dns>\n\t\t<![CDATA[\n%s\t\t]]>\n\t\t</dns>\n", dns.c_str());
 291                         }
 292                         std::string defaultgw = getFileContent("/etc/default_gw");
 293                         if (defaultgw != "Error")
 294                         {
 295                                 char gateway[STDBUFFER_SIZE];
 296                                 sprintf(gateway, "%s",defaultgw.c_str());
 297                                 if (strlen(gateway) && gateway[strlen(gateway)-1] == '\n')
 298                                         gateway[strlen(gateway)-1] = 0;
 299                                 fprintf(f, "\t\t<defaultgateway>\n\t\t<![CDATA[\n%s\t\t]]>\n\t\t</defaultgateway>\n", gateway);
 300                         }
 301                 }
 302                 std::string addWlan = getConfigFileValue("config.plugins.crashlogautosubmit.addWlan");
 303                 if (addWlan == "True" || addWlan == "true")
 304                 {
 305                         std::string wpasupplicant = getFileContent("/etc/wpa_supplicant.conf");
 306                         if (wpasupplicant != "Error")
 307                         {
 308                                 fprintf(f, "\t\t<wpasupplicant>\n\t\t<![CDATA[\n%s\t\t]]>\n\t\t</wpasupplicant>\n", wpasupplicant.c_str());
 309                         }
 310                 }
 311                 std::string imageversion = getFileContent("/etc/image-version");
 312                 if (imageversion != "Error")
 313                 {
 314                         fprintf(f, "\t\t<imageversion>\n\t\t<![CDATA[\n%s\t\t]]>\n\t\t</imageversion>\n", imageversion.c_str());
 315                 }
 316                 std::string imageissue = getFileContent("/etc/issue.net");
 317                 if (imageissue != "Error")
 318                 {
 319                         fprintf(f, "\t\t<imageissue>\n\t\t<![CDATA[\n%s\t\t]]>\n\t\t</imageissue>\n", imageissue.c_str());
 320                 }
 321                 fprintf(f, "\t</image>\n");
 322
 323                 fprintf(f, "\t<software>\n");
 324                 std::string installedplugins = execCommand("ipkg list_installed | grep enigma2");
 325                 fprintf(f, "\t\t<enigma2software>\n\t\t<![CDATA[\n%s\t\t]]>\n\t\t</enigma2software>\n", installedplugins.c_str());
 326                 std::string dreambox = execCommand("ipkg list_installed | grep dream");
 327                 fprintf(f, "\t\t<dreamboxsoftware>\n\t\t<![CDATA[\n%s\t\t]]>\n\t\t</dreamboxsoftware>\n", dreambox.c_str());
 328                 std::string gstreamer = execCommand("ipkg list_installed | grep gst");
 329                 fprintf(f, "\t\t<gstreamersoftware>\n\t\t<![CDATA[\n%s\t\t]]>\n\t\t</gstreamersoftware>\n", gstreamer.c_str());
 330                 fprintf(f, "\t</software>\n");
 331
 332                 fprintf(f, "\t<crashlogs>\n");
 333                 std::string buffer = getLogBuffer();
 334                 fprintf(f, "\t\t<enigma2crashlog>\n\t\t<![CDATA[\n%s\t\t]]>\n\t\t</enigma2crashlog>\n", buffer.c_str());
 335                 std::string pythonmd5 = execCommand("find " + eEnv::resolve("${libdir}/enigma2/python/") + " -name \"*.py\" | xargs md5sum");
 336                 fprintf(f, "\t\t<pythonMD5sum>\n\t\t<![CDATA[\n%s\t\t]]>\n\t\t</pythonMD5sum>\n", pythonmd5.c_str());
 337                 fprintf(f, "\t</crashlogs>\n");
 338
 339                 fprintf(f, "\n</opendreambox>\n");
 340                 fclose(f);
 341
 342         }
 343
 344 #ifdef WITH_SDL
 345         ePtr<gSDLDC> my_dc;
 346         gSDLDC::getInstance(my_dc);
 347 #else
 348         ePtr<gFBDC> my_dc;
 349         gFBDC::getInstance(my_dc);
 350 #endif
 351
 352         {
 353                 gPainter p(my_dc);
 354                 p.resetOffset();
 355                 p.resetClip(eRect(ePoint(0, 0), my_dc->size()));
 356 #ifdef ENIGMA2_CHECKOUT_TAG
 357                 if (ENIGMA2_CHECKOUT_TAG[0] == 'T') /* tagged checkout (release) */
 358                         p.setBackgroundColor(gRGB(0x0000C0));
 359                 else if (ENIGMA2_CHECKOUT_TAG[0] == 'D') /* dated checkout (daily experimental build) */
 360                 {
 361                         srand(time(0));
 362                         int r = rand();
 363                         unsigned int col = 0;
 364                         if (r & 1)
 365                                 col |= 0x800000;
 366                         if (r & 2)
 367                                 col |= 0x008000;
 368                         if (r & 4)
 369                                 col |= 0x0000c0;
 370                         p.setBackgroundColor(gRGB(col));
 371                 }
 372 #else
 373                         p.setBackgroundColor(gRGB(0x008000));
 374 #endif
 375
 376                 p.setForegroundColor(gRGB(0xFFFFFF));
 377
 378                 ePtr<gFont> font = new gFont("Regular", 20);
 379                 p.setFont(font);
 380                 p.clear();
 381
 382                 eRect usable_area = eRect(100, 70, my_dc->size().width() - 150, 100);
 383
 384                 char text[512];
 385                 snprintf(text, 512, "We are really sorry. Your Dreambox encountered "
 386                         "a software problem, and needs to be restarted. "
 387                         "Please send the logfile created in /hdd/ to %s.\n"
 388                         "Your Dreambox restarts in 10 seconds!\n"
 389                         "Component: %s",
 390                         crash_emailaddr, crash_component);
 391
 392                 p.renderText(usable_area, text, gPainter::RT_WRAP|gPainter::RT_HALIGN_LEFT);
 393
 394                 usable_area = eRect(100, 170, my_dc->size().width() - 180, my_dc->size().height() - 20);
 395
 396                 int i;
 397
 398                 size_t start = std::string::npos + 1;
 399                 for (i=0; i<20; ++i)
 400                 {
 401                         start = lines.rfind('\n', start - 1);
 402                         if (start == std::string::npos)
 403                         {
 404                                 start = 0;
 405                                 break;
 406                         }
 407                 }
 408
 409                 font = new gFont("Regular", 14);
 410                 p.setFont(font);
 411
 412                 p.renderText(usable_area,
 413                         lines.substr(start), gPainter::RT_HALIGN_LEFT);
 414                 sleep(10);
 415         }
 416
 417         raise(SIGKILL);
 418 }
 419
 420 #if defined(__MIPSEL__)
 421 void oops(const mcontext_t &context, int dumpcode)
 422 {
 423         eDebug("PC: %08lx", (unsigned long)context.pc);
 424         int i;
 425         for (i=0; i<32; ++i)
 426         {
 427                 eDebugNoNewLine(" %08x", (int)context.gregs[i]);
 428                 if ((i&3) == 3)
 429                         eDebug("");
 430         }
 431                 /* this is temporary debug stuff. */
 432         if (dumpcode && ((unsigned long)context.pc) > 0x10000) /* not a zero pointer */
 433         {
 434                 eDebug("As a final action, i will try to dump a bit of code.");
 435                 eDebug("I just hope that this won't crash.");
 436                 int i;
 437                 eDebugNoNewLine("%08lx:", (unsigned long)context.pc);
 438                 for (i=0; i<0x20; ++i)
 439                         eDebugNoNewLine(" %02x", ((unsigned char*)context.pc)[i]);
 440                 eDebug(" (end)");
 441         }
 442 }
 443 #else
 444 #warning "no oops support!"
 445 #define NO_OOPS_SUPPORT
 446 #endif
 447
 448 void handleFatalSignal(int signum, siginfo_t *si, void *ctx)
 449 {
 450         ucontext_t *uc = (ucontext_t*)ctx;
 451
 452 #ifndef NO_OOPS_SUPPORT
 453         oops(uc->uc_mcontext, signum == SIGSEGV || signum == SIGABRT);
 454 #endif
 455         eDebug("-------");
 456         bsodFatal("enigma2, signal");
 457 }
 458
 459 void bsodCatchSignals()
 460 {
 461         struct sigaction act;
 462         act.sa_handler = SIG_DFL;
 463         act.sa_sigaction = handleFatalSignal;
 464         act.sa_flags = SA_RESTART | SA_SIGINFO;
 465         if (sigemptyset(&act.sa_mask) == -1)
 466                 perror("sigemptyset");
 467
 468                 /* start handling segfaults etc. */
 469         sigaction(SIGSEGV, &act, 0);
 470         sigaction(SIGILL, &act, 0);
 471         sigaction(SIGBUS, &act, 0);
 472         sigaction(SIGABRT, &act, 0);
 473 }
 474
 475 void bsodLogInit()
 476 {
 477         logOutput.connect(addToLogbuffer);
 478 }