int send_data(int wfd)
{
int r;
printf("sending contents of /private...\n"); r = send_pipe(wfd, "/bin/tar -c /private"); if (r) return r;
printf("transfer complete.\n");
return 0;
}
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nShowCmd) {
HANDLE cld_r, cld_w2, cld_w;
STARTUPINFO sinfo;
enum fresh_states fstate = FRESH_PRE;
AV_UPD_STATUS st = {UPD_CHECK, 0, 0, 0, L"", 0};
DWORD dw;
struct my_f spam;
char command[8192], *ptr;
int updated_files = 0, customok = 0, mindefs = 0, customonly = 0;
char *cmdl = GetCommandLineA();
//DebugBreak();
mindefs = (cmdl && strstr(cmdl, " --mindefs=1"));
customonly = (cmdl && strstr(cmdl, " --customsigonly"));
/* Locate myself */
dw = GetModuleFileName(NULL, datadir, sizeof(datadir));
if(!dw || dw >= sizeof(datadir)-2)
return 10;
ptr = strrchr(datadir, '\\');
if(!ptr)
return 10;
*ptr = '\0';
/* Log file */
flog_open(datadir);
/* Connect to master */
updpipe = CreateFile("\\\\.\\pipe\\IMMUNET_AVUPDATE", GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_FLAG_OVERLAPPED, NULL);
if(updpipe == INVALID_HANDLE_VALUE) {
flog("ERROR: failed to connect pipe");
flog_close();
return 10;
}
dw = PIPE_READMODE_MESSAGE;
if(!SetNamedPipeHandleState(updpipe, &dw, NULL, NULL)) {
CloseHandle(updpipe);
flog("ERROR: failed to set pipe to message mode");
flog_close();
return 10;
}
if(!(write_event = CreateEvent(NULL, TRUE, FALSE, NULL))) {
CloseHandle(updpipe);
flog("ERROR: failed to create write event");
flog_close();
return 10;
}
/* Run local-only-hack freshclam */
_snprintf(command, sizeof(command)-1, "freshclam.exe --update-db=custom --quiet --config-file=\"%s\\freshclam.conf\" --datadir=\"%s\"", datadir, datadir);
command[sizeof(command)-1] = '\0';
memset(&sinfo, 0, sizeof(sinfo));
sinfo.cb = sizeof(sinfo);
sinfo.dwFlags = STARTF_FORCEOFFFEEDBACK;
if(!CreateProcess(NULL, command, NULL, NULL, TRUE, DETACHED_PROCESS, NULL, datadir, &sinfo, &pinfo)) {
flog("ERROR: failed to execute '%s'", command);
SENDFAIL_AND_QUIT(UPD_CHECK);
}
CloseHandle(pinfo.hThread);
if(WaitForSingleObject(pinfo.hProcess, 60*1000) == WAIT_TIMEOUT) {
TerminateProcess(pinfo.hProcess, 1338);
flog("ERROR: timeout waiting for custom freshclam");
SENDFAIL_AND_QUIT(UPD_CHECK);
}
if(!GetExitCodeProcess(pinfo.hProcess, &dw)) {
CloseHandle(pinfo.hProcess);
flog("ERROR: failed to retrieve custom freshclam return code");
SENDFAIL_AND_QUIT(UPD_CHECK);
}
CloseHandle(pinfo.hProcess);
if(dw == 0)
customok = 1;
else
flog("INFO: custom freshclam return code: %u", dw);
/* Early exit for custom only */
if(customonly) {
if(dw == 0)
SENDMSG_AND_RETURN(UPD_DONE, dw);
else
SENDMSG_AND_RETURN(UPD_ABORT, dw);
}
/* Make pipe for freshclam stdio */
if(!CreatePipe(&cld_r, &cld_w, NULL, 0)) {
flog("ERROR: failed to create pipe");
SENDFAIL_AND_QUIT(UPD_CHECK);
}
if(!DuplicateHandle(GetCurrentProcess(), cld_w, GetCurrentProcess(), &cld_w2, 0, TRUE, DUPLICATE_SAME_ACCESS)) {
CloseHandle(cld_r);
CloseHandle(cld_w);
flog("ERROR: failed to duplicate pipe");
SENDFAIL_AND_QUIT(UPD_CHECK);
}
CloseHandle(cld_w);
/* init my_fgets */
init_myf(&spam, cld_r);
/* Redir freshclam stdio */
memset(&sinfo, 0, sizeof(sinfo));
sinfo.cb = sizeof(sinfo);
sinfo.hStdInput = GetStdHandle(STD_INPUT_HANDLE);
sinfo.hStdOutput = cld_w2;
sinfo.hStdError = cld_w2;
sinfo.dwFlags = STARTF_FORCEOFFFEEDBACK|STARTF_USESTDHANDLES;
/* Run main freshclam */
_snprintf(command, sizeof(command)-1, "freshclam.exe --stdout --config-file=\"%s\\freshclam.conf\" --datadir=\"%s\"%s", datadir, datadir, mindefs ? " --update-db=daily" : "");
command[sizeof(command)-1] = '\0';
if(!CreateProcess(NULL, command, NULL, NULL, TRUE, DETACHED_PROCESS, NULL, datadir, &sinfo, &pinfo)) {
CloseHandle(cld_w2);
CloseHandle(cld_r);
flog("ERROR: failed to execute '%s'", command);
SENDFAIL_AND_QUIT(UPD_CHECK);
}
st.pid = pinfo.dwProcessId;
CloseHandle(pinfo.hThread);
CloseHandle(cld_w2);
flog_dbg("Executing '%s'", command);
/* Create STOP watcher */
if(!CreateThread(NULL, 0, watch_stop, NULL, 0, &dw)) {
flog("ERROR: failed to create watch_stop thread");
CloseHandle(cld_r);
CloseHandle(pinfo.hProcess);
SENDFAIL_AND_QUIT(UPD_CHECK);
}
log_state(fstate);
/* Spam parsing */
while(1) {
char *buf;
buf = my_fgets(&spam);
flog_dbg("GOT: %s", buf);
if(!buf)
break;
if(fstate == FRESH_PRE && !strncmp(buf, FRESH_PRE_START_S, sizeof(FRESH_PRE_START_S)-1)) {
SENDOK(UPD_CHECK);
fstate = FRESH_IDLE;
log_state(fstate);
continue;
}
if((fstate == FRESH_IDLE || fstate == FRESH_DOWN) && !strncmp(buf, FRESH_DOWN_S, sizeof(FRESH_DOWN_S)-1)) {
unsigned int pct, fnamelen;
char *partname = buf + 12, *partend, *pctend;
wchar_t nuname[AV_UPD_FILE_NAME_MAX];
if(!updated_files) {
SENDOK(UPD_NEWER_FOUND);
SENDOK(UPD_DOWNLOAD_BEGIN);
}
updated_files++;
partend = strchr(partname, ' ');
if(!partend)
break;
*partend = '\0';
fnamelen = partend - partname;
partend = strchr(partend + 1, '[');
if(!partend)
break;
partend++;
pct = strtol(partend, &pctend, 10);
if(pctend == partend || *pctend != '%')
break;
fnamelen = MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, partname, (fnamelen < AV_UPD_FILE_NAME_MAX-1) ? fnamelen : AV_UPD_FILE_NAME_MAX-1, nuname, sizeof(nuname));
if(!fnamelen)
break;
nuname[fnamelen] = L'\0';
if(fstate == FRESH_DOWN && wcscmp(nuname, st.fileName)) {
st.percentDownloaded = 100;
SENDOK(UPD_FILE_COMPLETE);
fstate = FRESH_IDLE;
log_state(fstate);
}
if(fstate == FRESH_IDLE) {
wcscpy(st.fileName, nuname);
st.percentDownloaded = 0;
SENDOK(UPD_FILE_BEGIN);
fstate = FRESH_DOWN;
log_state(fstate);
}
st.percentDownloaded = pct;
SENDOK(UPD_FILE_PROGRESS);
continue;
}
if(fstate == FRESH_IDLE) {
if(strstr(buf, FRESH_UPTODATE_S))
continue;
if(!strncmp(buf, FRESH_DONE_S, sizeof(FRESH_DONE_S) - 1)) {
fstate = FRESH_RELOAD;
log_state(fstate);
continue;
}
}
if(fstate == FRESH_DOWN) {
if(!strcmp(buf, FRESH_DOWN_FAIL_S)) {
flog("ERROR: sigcheck verification failed");
#if 0
// FIXME: ask prashant
send_pipe(&st, UPD_FILE_COMPLETE, 1);
#else
SENDOK(UPD_FILE_COMPLETE);
#endif
fstate = FRESH_IDLE;
log_state(fstate);
continue;
}
if(strstr(buf, FRESH_UPDATED_S)) {
SENDOK(UPD_FILE_COMPLETE);
fstate = FRESH_IDLE;
log_state(fstate);
continue;
}
if(strlen(buf) > sizeof(FRESH_DOWN_S)-1 && strstr(buf, FRESH_DOWN_S))
continue;
}
}
CloseHandle(cld_r);
WaitForSingleObject(pinfo.hProcess, 30*1000);
if(!GetExitCodeProcess(pinfo.hProcess, &dw)) {
CloseHandle(pinfo.hProcess);
flog("ERROR: failed to retrieve freshclam return code");
SENDFAIL_AND_QUIT(UPD_ABORT);
}
CloseHandle(pinfo.hProcess);
if(dw) {
if(dw == STILL_ACTIVE) {
flog("WARNING: freshclam didn't exit, killing it...");
kill_freshclam();
} else
flog("ERROR: freshclam exit code %u", dw);
if(st.state == UPD_CHECK)
st.state = UPD_ABORT;
SENDMSG_AND_RETURN(st.state, dw);
}
if((updated_files && fstate != FRESH_RELOAD) || (!updated_files && fstate != FRESH_IDLE)) {
flog("ERROR: log parse failure. Freshclam exit value: %u", dw);
SENDFAIL_AND_QUIT(st.state);
}
/* Send complete fin seq */
if(updated_files) {
SENDOK(UPD_DOWNLOAD_COMPLETE);
SENDOK(UPD_INSTALL_BEGIN);
SENDOK(UPD_INSTALL_COMPLETE);
SENDOK(UPD_DONE);
} else
SENDOK(UPD_NONE);
CloseHandle(updpipe);
CloseHandle(write_event);
flog_close();
return 0;
}