static int scan_int(void) { if(*src == '\'') { ++src; ++yylloc.last_column; scan_char(); } else if(*src == '0') { ++src; ++yylloc.last_column; if(*src == 'x') { ++src; ++yylloc.last_column; scan_uint(16); } else if(*src == 'b') { ++src; ++yylloc.last_column; scan_uint(2); } else { --src; /* we go one char back to recognize a single '0' */ --yylloc.last_column; scan_uint(8); } } else if(isdigit(*src)) scan_uint(10); else return 0; #ifdef DEBUG printf("yylex returns %d\n", yylval.integer); #endif return INTEGER; }
void configfile_getports(FILE *cf, unsigned short *fcmport, unsigned short *fspport) { DEBUGPR("entering configfile_getport():, current fcm=0x%hx, fsp=0x%hx\n",*fcmport,*fspport); if(!cf || !fcmport || !fspport) return; if(!*fcmport) { rewind(cf); *fcmport = (unsigned short)scan_uint(cf,"fcmport=%m[^\n]\n"); } if(!*fspport) { rewind(cf); *fspport = (unsigned short)scan_uint(cf,"fspport=%m[^\n]\n"); } DEBUGPR("leaving configfile_getports():, current fcm=0x%hx, fsp=0x%hx\n",*fcmport,*fspport); }
void Parser::scan_value(void) { int c = read_byte(); switch (c) { case trace::TYPE_NULL: case trace::TYPE_FALSE: case trace::TYPE_TRUE: break; case trace::TYPE_SINT: scan_sint(); break; case trace::TYPE_UINT: scan_uint(); break; case trace::TYPE_FLOAT: scan_float(); break; case trace::TYPE_DOUBLE: scan_double(); break; case trace::TYPE_STRING: scan_string(); break; case trace::TYPE_ENUM: scan_enum(); break; case trace::TYPE_BITMASK: scan_bitmask(); break; case trace::TYPE_ARRAY: scan_array(); break; case trace::TYPE_STRUCT: scan_struct(); break; case trace::TYPE_BLOB: scan_blob(); break; case trace::TYPE_OPAQUE: scan_opaque(); break; case trace::TYPE_REPR: scan_repr(); break; case trace::TYPE_WSTRING: scan_wstring(); break; default: std::cerr << "error: unknown type " << c << "\n"; exit(1); case -1: break; } }
/* continue/break a loop * ----------------------------------------------------------------------- */ int builtin_break(int argc, char **argv) { unsigned int n = 1; if(argv[1]) { scan_uint(argv[1], &n); if(n == 0) { sh_error(argv[0]); buffer_putm(fd_err->w, ": ", argv[1], ": invalid argument"); buffer_putnlflush(fd_err->w); return 1; } } eval_jump(n, (*argv[0] == 'c')); return 0; }
int main(void) { unsigned int ind; unsigned int u; unsigned long len; for (ind = 0; ind < sizeof(tests) / sizeof(tests[0]); ++ind) { u = 0; len = scan_uint(tests[ind].str, &u); if (len != tests[ind].len) { printf("[%u] fail: len %lu != %lu\n", ind, len, tests[ind].len); return 1; } if (u != tests[ind].u) { printf("[%u] fail: u %u != %u\n", ind, u, tests[ind].u); return 1; } printf("[%u] %s %u\n", ind, tests[ind].str, u); } return 0; }
int main(int argc,char * const *argv) { const char *hostname; int opt; struct servent *se; char *x; unsigned long u; int s; int t; io_opt = ssl_io_opt_default; io_opt.timeout = 3600; while ((opt = getopt(argc,argv,"46dDvqQhHrR1UXx:t:T:u:g:l:b:B:c:Z:pPoO3IiEeSsaAw:nNyYuUjJ")) != opteof) switch(opt) { case 'b': scan_ulong(optarg,&backlog); break; case 'c': scan_ulong(optarg,&limit); break; case 'X': flagallownorules = 1; break; case 'x': fnrules = optarg; break; case 'B': banner = optarg; break; case 'd': flagdelay = 1; break; case 'D': flagdelay = 0; break; case 'v': verbosity = 2; break; case 'q': verbosity = 0; break; case 'Q': verbosity = 1; break; case 'P': flagparanoid = 0; break; case 'p': flagparanoid = 1; break; case 'O': flagkillopts = 1; break; case 'o': flagkillopts = 0; break; case 'H': flagremotehost = 0; break; case 'h': flagremotehost = 1; break; case 'R': flagremoteinfo = 0; break; case 'r': flagremoteinfo = 1; break; case 't': scan_ulong(optarg,&timeout); break; case 'T': scan_ulong(optarg,&ssltimeout); break; case 'w': scan_uint(optarg,&io_opt.timeout); break; case 'U': x = env_get("UID"); if (x) scan_ulong(x,&uid); x = env_get("GID"); if (x) scan_ulong(x,&gid); break; case 'u': scan_ulong(optarg,&uid); break; case 'g': scan_ulong(optarg,&gid); break; case 'Z': netif=socket_getifidx(optarg); break; case '1': flag1 = 1; break; case '4': noipv6 = 1; break; case '6': forcev6 = 1; break; case 'l': localhost = optarg; break; case '3': flag3 = 1; break; case 'I': flagclientcert = 0; break; case 'i': flagclientcert = 1; break; case 'S': flagsslenv = 0; break; case 's': flagsslenv = 1; break; case 'E': flagtcpenv = 0; break; case 'e': flagtcpenv = 1; break; case 'n': case 'y': flagsslwait = 1; break; case 'N': case 'Y': flagsslwait = 0; break; case 'j': io_opt.just_shutdown = 1; break; case 'J': io_opt.just_shutdown = 0; break; default: usage(); } argc -= optind; argv += optind; if (!verbosity) buffer_2->fd = -1; hostname = *argv++; if (!hostname) usage(); if (str_equal(hostname,"")) hostname = "0"; x = *argv++; if (!x) usage(); prog = argv; if (!*argv) usage(); if (!x[scan_ulong(x,&u)]) localport = u; else { se = getservbyname(x,"tcp"); if (!se) strerr_die3x(111,FATAL,"unable to figure out port number for ",x); uint16_unpack_big((char*)&se->s_port,&localport); } if (x = env_get("VERIFYDEPTH")) { scan_ulong(x,&u); verifydepth = u; } if (x = env_get("CAFILE")) cafile = x; if (cafile && str_equal(cafile,"")) cafile = 0; if (x = env_get("CCAFILE")) ccafile = x; if (ccafile && str_equal(ccafile,"")) ccafile = 0; if (!flagclientcert) ccafile = 0; if (x = env_get("CADIR")) cadir = x; if (cadir && str_equal(cadir,"")) cadir= 0; if (x = env_get("CERTFILE")) certfile = x; if (certfile && str_equal(certfile,"")) certfile = 0; if (x = env_get("KEYFILE")) keyfile = x; if (keyfile && str_equal(keyfile,"")) keyfile = 0; if (x = env_get("DHFILE")) dhfile = x; if (dhfile && str_equal(dhfile,"")) dhfile = 0; if (x = env_get("CIPHERS")) ciphers = x; if (ciphers && str_equal(ciphers,"")) ciphers = 0; sig_block(sig_child); sig_catch(sig_child,sigchld); sig_catch(sig_term,sigterm); sig_ignore(sig_pipe); if (str_equal(hostname,"0")) { byte_zero(localip,sizeof localip); } else { if (!stralloc_copys(&tmp,hostname)) strerr_die2x(111,FATAL,"out of memory"); if (dns_ip6_qualify(&addresses,&fqdn,&tmp) == -1) strerr_die4sys(111,FATAL,"temporarily unable to figure out IP address for ",hostname,": "); if (addresses.len < 16) strerr_die3x(111,FATAL,"no IP address for ",hostname); byte_copy(localip,16,addresses.s); if (ip6_isv4mapped(localip)) noipv6=1; } s = socket_tcp6(); if (s == -1) strerr_die2sys(111,FATAL,"unable to create socket: "); if (socket_bind6_reuse(s,localip,localport,netif) == -1) strerr_die2sys(111,FATAL,"unable to bind: "); if (socket_local6(s,localip,&localport,&netif) == -1) strerr_die2sys(111,FATAL,"unable to get local address: "); if (socket_listen(s,backlog) == -1) strerr_die2sys(111,FATAL,"unable to listen: "); ndelay_off(s); localportstr[fmt_ulong(localportstr,localport)] = 0; if (flag1) { buffer_init(&b,buffer_unixwrite,1,bspace,sizeof bspace); buffer_puts(&b,localportstr); buffer_puts(&b,"\n"); buffer_flush(&b); } if (flag3) read_passwd(); ctx = ssl_server(); ssl_errstr(); if (!ctx) strerr_die2x(111,FATAL,"unable to create SSL context"); switch (ssl_certkey(ctx,certfile,keyfile,passwd_cb)) { case -1: strerr_die2x(111,FATAL,"unable to load certificate"); case -2: strerr_die2x(111,FATAL,"unable to load key"); case -3: strerr_die2x(111,FATAL,"key does not match certificate"); default: break; } if (!ssl_ca(ctx,cafile,cadir,verifydepth)) strerr_die2x(111,FATAL,"unable to load CA list"); if (!ssl_cca(ctx,ccafile)) strerr_die2x(111,FATAL,"unable to load client CA list"); if (!ssl_params(ctx,dhfile,rsalen)) strerr_die2x(111,FATAL,"unable to set cipher parameters"); if (!ssl_ciphers(ctx,ciphers)) strerr_die2x(111,FATAL,"unable to set cipher list"); if (verbosity >= 2) { strnum[fmt_ulong(strnum,getpid())] = 0; strnum2[fmt_ulong(strnum2,rsalen)] = 0; strerr_warn4("sslserver: cafile ",strnum," ",cafile,0); strerr_warn4("sslserver: ccafile ",strnum," ",ccafile,0); strerr_warn4("sslserver: cadir ",strnum," ",cadir,0); strerr_warn4("sslserver: cert ",strnum," ",certfile,0); strerr_warn4("sslserver: key ",strnum," ",keyfile,0); strerr_warn6("sslserver: param ",strnum," ",dhfile," ",strnum2,0); } close(0); open_read("/dev/null"); close(1); open_append("/dev/null"); printstatus(); for (;;) { while (numchildren >= limit) sig_pause(); sig_unblock(sig_child); t = socket_accept6(s,remoteip,&remoteport,&netif); sig_block(sig_child); if (t == -1) continue; ++numchildren; printstatus(); switch(fork()) { case 0: close(s); doit(t); strerr_die4sys(111,DROP,"unable to run ",*argv,": "); case -1: strerr_warn2(DROP,"unable to fork: ",&strerr_sys); --numchildren; printstatus(); } close(t); } }
int main(int argc,char * const *argv) { const char *hostname; int opt; char *x; unsigned long u; int s; int t; int flagv4 = 1, flagv6 = 1, rc; struct addrinfo *localai = NULL, hints = {0}, *ai; while ((opt = getopt(argc,argv,"dDvqQhHrR1UXx:t:T:u:g:l:b:B:c:pPoO3IiEeSsw:nN46")) != opteof) switch(opt) { case 'b': scan_ulong(optarg,&backlog); break; case 'c': scan_ulong(optarg,&limit); break; case 'X': flagallownorules = 1; break; case 'x': fnrules = optarg; break; case 'B': banner = optarg; break; case 'd': flagdelay = 1; break; case 'D': flagdelay = 0; break; case 'v': verbosity = 2; break; case 'q': verbosity = 0; break; case 'Q': verbosity = 1; break; case 'P': flagparanoid = 0; break; case 'p': flagparanoid = 1; break; case 'O': flagkillopts = 1; break; case 'o': flagkillopts = 0; break; case 'H': flagremotehost = 0; break; case 'h': flagremotehost = 1; break; case 'R': flagremoteinfo = 0; break; case 'r': flagremoteinfo = 1; break; case 't': scan_ulong(optarg,&timeout); break; case 'T': scan_ulong(optarg,&ssltimeout); break; case 'w': scan_uint(optarg,&progtimeout); break; case 'U': x = env_get("UID"); if (x) scan_ulong(x,&uid); x = env_get("GID"); if (x) scan_ulong(x,&gid); break; case 'u': scan_ulong(optarg,&uid); break; case 'g': scan_ulong(optarg,&gid); break; case '1': flag1 = 1; break; case 'l': localhost = optarg; break; case '3': flag3 = 1; break; case 'I': flagclientcert = 0; break; case 'i': flagclientcert = 1; break; case 'S': flagsslenv = 0; break; case 's': flagsslenv = 1; break; case 'E': flagtcpenv = 0; break; case 'e': flagtcpenv = 1; break; case 'n': flagsslwait = 1; break; case 'N': flagsslwait = 0; break; case '4': flagv6 = 0; break; case '6': flagv4 = 0; break; default: usage(); } if (flagv4 == flagv6) { flagv4 = flagv6 = 1; } argc -= optind; argv += optind; if (!verbosity) buffer_2->fd = -1; hostname = *argv++; if (!hostname) usage(); if (str_equal(hostname,"")) hostname = NULL; if (str_equal(hostname,"0")) hostname = NULL; x = *argv++; if (!x) usage(); prog = argv; if (!*argv) usage(); hints.ai_family = flagv4 == flagv6 ? AF_UNSPEC : flagv4 ? AF_INET : AF_INET6; hints.ai_socktype = SOCK_STREAM; hints.ai_flags = AI_PASSIVE; if ((rc = getaddrinfo(hostname, x, &hints, &localai))) { strerr_die(111,FATAL "unable to figure out address for ", hostname ? hostname : "0", " ",x,": ",gai_strerror(rc),0); } if (!localai) { strerr_die2x(111,FATAL,"address not found"); } if (x = env_get("VERIFYDEPTH")) { scan_ulong(x,&u); verifydepth = u; } if (x = env_get("CAFILE")) cafile = x; if (cafile && str_equal(cafile,"")) cafile = 0; if (x = env_get("CCAFILE")) ccafile = x; if (ccafile && str_equal(ccafile,"")) ccafile = 0; if (!flagclientcert) ccafile = 0; if (x = env_get("CADIR")) cadir = x; if (cadir && str_equal(cadir,"")) cadir= 0; if (x = env_get("CERTCHAINFILE")) certchainfile = x; if (certchainfile && str_equal(certchainfile,"")) certchainfile = 0; if (x = env_get("CERTFILE")) certfile = x; if (certfile && str_equal(certfile,"")) certfile = 0; if (x = env_get("KEYFILE")) keyfile = x; if (keyfile && str_equal(keyfile,"")) keyfile = 0; if (x = env_get("DHFILE")) dhfile = x; if (dhfile && str_equal(dhfile,"")) dhfile = 0; if (x = env_get("CIPHERS")) ciphers = x; if (ciphers && str_equal(ciphers,"")) ciphers = 0; sig_block(sig_child); sig_catch(sig_child,sigchld); sig_catch(sig_term,sigterm); sig_ignore(sig_pipe); for (ai = localai; ai; ai = ai->ai_next) { s = socket_tcp(ai->ai_family, ai->ai_protocol); if (s == -1) strerr_die2sys(111,FATAL,"unable to create socket: "); if (socket_bind_reuse(s,ai) == -1) strerr_die2sys(111,FATAL,"unable to bind: "); if (socket_local(s,&localaddr,&localport) == -1) strerr_die2sys(111,FATAL,"unable to get local address: "); if (socket_listen(s,backlog) == -1) strerr_die2sys(111,FATAL,"unable to listen: "); break; } freeaddrinfo(localai); localai = NULL; ndelay_off(s); localportstr[fmt_ulong(localportstr,localport)] = 0; if (flag1) { buffer_init(&b,buffer_unixwrite,1,bspace,sizeof bspace); buffer_puts(&b,localportstr); buffer_puts(&b,"\n"); buffer_flush(&b); } if (flag3) read_passwd(); ctx = ssl_server(); ssl_errstr(); if (!ctx) strerr_die2x(111,FATAL,"unable to create SSL context"); if (certchainfile) { switch (ssl_chainfile(ctx,certchainfile,keyfile,passwd_cb)) { case -1: strerr_die2x(111,FATAL,"unable to load certificate chain file"); case -2: strerr_die2x(111,FATAL,"unable to load key"); case -3: strerr_die2x(111,FATAL,"key does not match certificate"); default: break; } } else { switch (ssl_certkey(ctx,certfile,keyfile,passwd_cb)) { case -1: strerr_die2x(111,FATAL,"unable to load certificate"); case -2: strerr_die2x(111,FATAL,"unable to load key"); case -3: strerr_die2x(111,FATAL,"key does not match certificate"); default: break; } } if (!ssl_ca(ctx,cafile,cadir,verifydepth)) strerr_die2x(111,FATAL,"unable to load CA list"); if (!ssl_cca(ctx,ccafile)) strerr_die2x(111,FATAL,"unable to load client CA list"); if (!ssl_params(ctx,dhfile,rsalen)) strerr_die2x(111,FATAL,"unable to set DH/RSA parameters"); if (!ssl_ciphers(ctx,ciphers)) strerr_die2x(111,FATAL,"unable to set cipher list"); if (verbosity >= 2) { strnum[fmt_ulong(strnum,getpid())] = 0; strnum2[fmt_ulong(strnum2,rsalen)] = 0; strerr_warn4("sslserver: cafile ",strnum," ",cafile,0); strerr_warn4("sslserver: ccafile ",strnum," ",ccafile,0); strerr_warn4("sslserver: cadir ",strnum," ",cadir,0); strerr_warn4("sslserver: chainfile ",strnum," ",certchainfile,0); strerr_warn4("sslserver: cert ",strnum," ",certfile,0); strerr_warn4("sslserver: key ",strnum," ",keyfile,0); strerr_warn6("sslserver: param ",strnum," ",dhfile," ",strnum2,0); } close(0); open_read("/dev/null"); close(1); open_append("/dev/null"); printstatus(); for (;;) { while (numchildren >= limit) sig_pause(); sig_unblock(sig_child); t = socket_accept(s,&remoteaddr,&remoteport); sig_block(sig_child); if (t == -1) continue; ++numchildren; printstatus(); switch(fork()) { case 0: close(s); doit(t); strerr_die4sys(111,DROP,"unable to run ",*argv,": "); case -1: strerr_warn2(DROP,"unable to fork: ",&strerr_sys); --numchildren; printstatus(); } close(t); } }
StackFrame * Parser::parse_backtrace_frame(Mode mode) { size_t id = read_uint(); StackFrameState *frame = lookup(frames, id); if (!frame) { frame = new StackFrameState; int c = read_byte(); while (c != trace::BACKTRACE_END && c != -1) { switch (c) { case trace::BACKTRACE_MODULE: frame->module = read_string(); break; case trace::BACKTRACE_FUNCTION: frame->function = read_string(); break; case trace::BACKTRACE_FILENAME: frame->filename = read_string(); break; case trace::BACKTRACE_LINENUMBER: frame->linenumber = read_uint(); break; case trace::BACKTRACE_OFFSET: frame->offset = read_uint(); break; default: std::cerr << "error: unknown backtrace detail " << c << "\n"; exit(1); } c = read_byte(); } frame->fileOffset = file->currentOffset(); frames[id] = frame; } else if (file->currentOffset() < frame->fileOffset) { int c = read_byte(); while (c != trace::BACKTRACE_END && c != -1) { switch (c) { case trace::BACKTRACE_MODULE: scan_string(); break; case trace::BACKTRACE_FUNCTION: scan_string(); break; case trace::BACKTRACE_FILENAME: scan_string(); break; case trace::BACKTRACE_LINENUMBER: scan_uint(); break; case trace::BACKTRACE_OFFSET: scan_uint(); break; default: std::cerr << "error: unknown backtrace detail " << c << "\n"; exit(1); } c = read_byte(); } } return frame; }
int main(int argc,char * const *argv) { int opt; const char *path; mode_t m; iopause_fd x; struct taia deadline; struct taia stamp; int pid = 0; char ch; int wstat; while ((opt = getopt(argc,argv,"wWdDt:")) != opteof) switch(opt) { case 't': scan_uint(optarg,&timeout); break; case 'w': flagwait = 1; break; case 'W': flagwait = 0; break; case 'd': flagdelete = 1; break; case 'D': flagdelete = 0; break; default: usage(); } argv += optind; path = *argv++; if (!path) usage(); if (flagdelete) { m = umask(0); unlink(path); fifo_make(path,0666); umask(m); } fdr = open_read(path); if (fdr == -1) strerr_die4sys(111,FATAL,"cannot read ",path,": "); ndelay_on(fdr); fdw = open_write(path); if (fdw == -1) strerr_die4sys(111,FATAL,"cannot write ",path,": "); if (*argv) { pid = fork(); switch (pid) { case 0: close(fdr); close(fdw); pathexec(argv); strerr_die4sys(111,FATAL,"cannot run ",*argv,": "); case -1: strerr_die4sys(111,FATAL,"cannot fork ",*argv,": "); break; default: break; } } else flagwait = 0; x.fd = fdr; x.events = IOPAUSE_READ; taia_now(&stamp); taia_uint(&deadline,timeout); taia_add(&deadline,&stamp,&deadline); for (;;) { taia_now(&stamp); iopause(&x,1,&deadline,&stamp); if (x.revents) { waiting = 0; break; } if (taia_less(&deadline,&stamp)) { waiting = 99; break; } } if (!waiting) if (read(fdr,&ch,1) != 1) waiting = 0; if (flagwait) if (wait_pid(&wstat,pid) != pid) strerr_die2x(111,FATAL,"cannot reap child process"); _exit(waiting); }