int main (int argc, char *argv[])
{
/* Query Processor */
int stat = 0;
char * query = proc_query();
static char cmd[MAX_COMMAND_SIZE];
if(query == NULL)
return -1;
printf("\n %s", query);
sprintf(cmd, "echo '%s' | awk -f ../src/table.awk", query);
system(cmd);
return 0;
}
void *__hxcpp_get_proc_address(String inLib, String full_name,bool inNdllProc,bool inQuietFail)
{
String bin = __hxcpp_get_bin_dir();
String deviceExt = __hxcpp_get_dll_extension();
#ifdef HX_ANDROID
String module_name = HX_CSTRING("lib") + inLib;
#else
String module_name = inLib;
#endif
#ifdef IPHONE
gLoadDebug = true;
setenv("DYLD_PRINT_APIS","1",true);
#elif !defined(HX_WINRT)
gLoadDebug = gLoadDebug || getenv("HXCPP_LOAD_DEBUG");
#endif
if (!sgLibPathIsInit)
{
sgLibPathIsInit = true;
sgLibPath.push_back("./");
#ifdef HX_MACOS
sgLibPath.push_back("@executable_path/");
#endif
sgLibPath.push_back("");
#ifdef HXCPP_TRY_HAXELIB
String hxcpp = GetEnv("HXCPP");
if (hxcpp.length==0)
hxcpp = FindHaxelib( HX_CSTRING("hxcpp") );
if (hxcpp.length!=0)
__hxcpp_push_dll_path(hxcpp+HX_CSTRING("/bin/") + bin + HX_CSTRING("/"));
#endif
}
Module module = sgLoadedModule[module_name.__s];
bool new_module = module==0;
if (!module && sgRegisteredPrims)
{
void *registered = (*sgRegisteredPrims)[full_name.__CStr()];
// Try with lib name ...
if (!registered)
{
String libString = inLib + HX_CSTRING("_") + full_name;
registered = (*sgRegisteredPrims)[libString.__CStr()];
}
if (registered)
return registered;
}
if (!module && gLoadDebug)
{
#ifdef ANDROID
__android_log_print(ANDROID_LOG_INFO, "loader", "Searching for %s...", module_name.__s);
#else
printf("Searching for %s...\n", inLib.__s);
#endif
}
String haxelibPath;
for(int e=0; module==0 && e<3; e++)
{
String extension = e==0 ? deviceExt : e==1 ? HX_CSTRING(".ndll") : HX_CSTRING("");
for(int path=0;path<sgLibPath.size();path++)
{
String testPath = String( sgLibPath[path].c_str() ) + module_name + extension;
if (gLoadDebug)
{
#ifndef ANDROID
printf(" try %s...\n", testPath.__s);
#else
__android_log_print(ANDROID_LOG_INFO, "loader", "Try %s", testPath.__s);
#endif
}
module = hxLoadLibrary(testPath);
if (module)
{
if (gLoadDebug)
{
#ifndef ANDROID
printf("Found %s\n", testPath.__s);
#else
__android_log_print(ANDROID_LOG_INFO, "loader", "Found %s", testPath.__s);
#endif
}
break;
}
}
#ifdef HXCPP_TRY_HAXELIB
if (!module)
{
if (e==0)
haxelibPath = FindHaxelib(inLib);
if (haxelibPath.length!=0)
{
String testPath = haxelibPath + HX_CSTRING("/ndll/") + bin + HX_CSTRING("/") + inLib + extension;
if (gLoadDebug)
printf(" try %s...\n", testPath.__s);
module = hxLoadLibrary(testPath);
if (module && gLoadDebug)
{
printf("Found %s\n", testPath.__s);
}
}
}
#endif
}
if (!module)
{
hx::Throw(HX_CSTRING("Could not load module ") + inLib + HX_CSTRING("@") + full_name);
}
if (new_module)
{
sgLoadedModule[module_name.__s] = module;
sgOrderedModules.push_back(module);
SetLoaderProcFunc set_loader = (SetLoaderProcFunc)hxFindSymbol(module,"hx_set_loader");
if (set_loader)
set_loader(hx_cffi);
GetNekoEntryFunc func = (GetNekoEntryFunc)hxFindSymbol(module,"__neko_entry_point");
if (func)
{
NekoEntryFunc entry = (NekoEntryFunc)func();
if (entry)
entry();
}
}
FundFunc proc_query = (FundFunc)hxFindSymbol(module,full_name.__CStr());
if (!proc_query)
proc_query = (FundFunc)hxFindSymbol(module, (inLib + HX_CSTRING("_") + full_name).__CStr());
if (!proc_query && !inQuietFail)
{
#ifdef ANDROID
__android_log_print(ANDROID_LOG_ERROR, "loader", "Could not find primitive %s in %p",
full_name.__CStr(), module);
#else
fprintf(stderr,"Could not find primitive %s.\n", full_name.__CStr());
#endif
return 0;
}
if (!inNdllProc)
return (void *)proc_query;
void *proc = proc_query();
if (!proc && !inQuietFail)
{
#ifdef ANDROID
__android_log_print(ANDROID_LOG_ERROR, "loader", "Could not identify primitive %s in %s",
full_name.__CStr(), inLib.__CStr() );
#else
fprintf(stderr,"Could not identify primitive %s in %s\n", full_name.__CStr(),inLib.__CStr());
#endif
}
return proc;
}
int main(int argc, char **argv) {
js_string *mararc_loc, *errors, *chrootn, *uidstr, *maxpstr,
*kvar_query, *bind_address, *incoming, *uncomp, *verbstr;
unsigned char chroot_zt[255];
uid_t uid;
gid_t gid;
int errorn, value, sock, maxprocs, counter;
int cache_size;
int min_ttl_n = 300, min_ttl_c = 300;
int max_glueless; /* Maximum allowed glueless level */
int max_q_total; /* Maximum total queries in attempt to resolve hostname */
int timeout; /* Maximum time to wait for a remote server when performing
a recursive query */
struct sockaddr client;
struct sockaddr_in *clin; /* So we can log the IP */
#ifndef DARWIN
struct rlimit rlim;
#endif
clin = (struct sockaddr_in *)&client;
/* Initialize the strings (allocate memory for them, etc.) */
if((mararc_loc = js_create(256,1)) == 0)
harderror(L_MLC); /* "Could not create mararc_loc string" */
if(js_set_encode(mararc_loc,MARA_LOCALE) == JS_ERROR)
harderror(L_MLL); /* "Could not set locale for mararc_loc string" */
if((errors = js_create(256,1)) == 0)
harderror(L_EC); /* "Could not create errors string" */
if(js_set_encode(errors,MARA_LOCALE) == JS_ERROR)
harderror(L_EL); /* "Could not set locale for errors string" */
if((uidstr = js_create(256,1)) == 0)
harderror(L_UC); /* "Could not create uidstr string" */
if(js_set_encode(uidstr,MARA_LOCALE) == JS_ERROR)
harderror(L_UL); /* "Could not set locale for uidstr string" */
if((verbstr = js_create(256,1)) == 0)
harderror(L_VC); /* "Could not create verbstr string" */
if(js_set_encode(verbstr,MARA_LOCALE) == JS_ERROR)
harderror(L_VL); /* "Could not set locale for verbstr string" */
if((maxpstr = js_create(256,1)) == 0)
harderror(L_MC); /* "Could not create maxpstr string" */
if(js_set_encode(maxpstr,MARA_LOCALE) == JS_ERROR)
harderror(L_ML); /* "Could not set locale for maxpstr string" */
if((chrootn = js_create(256,1)) == 0)
harderror(L_CC); /* "Could not create chrootn string" */
if(js_set_encode(chrootn,MARA_LOCALE) == JS_ERROR)
harderror(L_CL); /* "Could not set locale for chrootn string" */
if((kvar_query = js_create(256,1)) == 0)
harderror(L_KQC); /* "Could not create kvar_query string" */
if(js_set_encode(kvar_query,MARA_LOCALE) == JS_ERROR)
harderror(L_KQL); /* "Could not set locale for kvar_query string" */
if((bind_address = js_create(64,1)) == 0)
harderror(L_BAC); /* "Could not create bins_address string" */
if(js_set_encode(bind_address,MARA_LOCALE) == JS_ERROR)
harderror(L_BAL); /* "Could not set locale for bind_address string" */
if((incoming = js_create(768,1)) == 0)
harderror(L_IC); /* "Could not create incoming string" */
if(js_set_encode(incoming,MARA_LOCALE) == JS_ERROR)
harderror(L_IL); /* "Could not set locale for incoming string" */
if((uncomp = js_create(768,1)) == 0)
harderror(L_UCC); /* "Could not create uncomp string" */
if(js_set_encode(uncomp,MARA_LOCALE) == JS_ERROR)
harderror(L_UCL); /* "Could not set locale for uncomp string" */
/* First, find the mararc file */
if(argc == 1) { /* No arguments */
if(find_mararc(mararc_loc) == JS_ERROR)
harderror(L_LOC_MARARC); /* "Error locating mararc file" */
}
else if(argc==3) { /* maradns -f /wherever/mararc */
if(js_qstr2js(mararc_loc,argv[2]) == JS_ERROR)
harderror(L_MARARC_ARG); /* "Could not get mararc from command line" */
}
else
harderror(L_USAGE); /* "Usage: mararc [-f mararc_location]" */
/* Then parse that file */
if(read_mararc(mararc_loc,errors,&errorn) == JS_ERROR) {
harderror(L_MARARC_PARSE); /* "Error parsing contents of mararc file" */
}
if(errorn != 0) {
/* Print this out at log level 0 because it is a fatal error */
if(errorn != -1)
/* "Error parsing contents of mararc file on line " */
printf("%s%d%s",L_MARARC_LINE,errorn,L_N); /* errorn, "\n" */
printf("%s",L_ERROR_CODE); /* "Error code: " */
js_show_stdout(errors);
printf("%s",L_N); /* "\n" */
exit(2);
}
/* There are too many greedy lawyers in the US */
if(js_qstr2js(kvar_query,"hide_disclaimer") == JS_ERROR)
harderror(L_KVAR_Q); /* "Could not create kvar_query" */
if(read_kvar(kvar_query,verbstr) != JS_SUCCESS) {
printf("%s","THIS SOFTWARE IS PROVIDED BY THE AUTHORS ''AS IS'' AND ANY EXPRESS OR\n");
printf("%s","IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES\n");
printf("%s","OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.\n");
printf("%s","IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,\n");
printf("%s","INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES\n");
printf("%s","(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR\n");
printf("%s","SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)\n");
printf("%s","HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,\n");
printf("%s","STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING\n");
printf("%s","IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\n");
printf("%s","POSSIBILITY OF SUCH DAMAGE.\n");
printf("\nTo not display this message, add the follwing to your ");
printf("mararc file:\n\nhide_disclaimer = \"YES\"\n\n");
}
/* Get in to a state of least privledge ASAP */
/* Limit the maximum number of processes */
if(js_qstr2js(kvar_query,"maxprocs") == JS_ERROR)
harderror(L_KVAR_Q); /* "Could not create kvar_query" */
if(read_kvar(kvar_query,maxpstr) == JS_ERROR)
harderror(L_MAXPROC); /* "Problem getting maxprocs value.\nmaxprocs must be set before starting the MaraDNS server" */
if((maxprocs = js_atoi(maxpstr,0)) == 0)
harderror(L_MAXPROC_NUM); /* "Problem converting maxprocs to a number\nThis must be a non-zero number" */
/* MaraDNS has a known problem with hanging if maxprocs is too high */
if(maxprocs > 200) {
maxprocs = 200;
mlog(L_MAXPROC_MAX); /* "Maxprocs can not be greater than 200\nThere are known problems with MaraDNS hanging using higher numbers" */
}
#ifndef DARWIN
rlim.rlim_cur = rlim.rlim_max = maxprocs;
/* If this OS supports setrlimit and if setrlimit fails, bail (the ENOSYS
check is there so OSes w/o setrlimit support can still run MaraDNS) */
#ifndef SOLARIS
if(setrlimit(RLIMIT_NPROC,&rlim) != 0 && errno != ENOSYS)
sys_harderror(L_MAXPROC_SET); /* "Unable to set maximum number of processes" */
#endif /* SOLARIS */
#endif /* DARWIN */
/* Anything after this does not need recursion enabled for the
kvar in question to be read */
/* Determine if we are root */
if(geteuid() == 0) {
/* Change the root directory */
if(js_qstr2js(kvar_query,"chroot_dir") == JS_ERROR)
harderror(L_KVAR_Q); /* "Could not create kvar_query" */
if(read_kvar(kvar_query,chrootn) == JS_ERROR)
harderror(L_CHROOT_KVAR); /* "Problem getting chroot kvar.\nYou must have chroot_dir set if you start this as root" */
if(js_js2str(chrootn,chroot_zt,200) == JS_ERROR)
harderror(L_CHROOT_NT); /* "Problem making chroot nt string.\nMake sure the chroot directory is 200 chars or less" */
if(chdir(chroot_zt) != 0)
sys_harderror(L_CHROOT_CHANGE); /* "Problem changing to chroot dir.\nMake sure chroot_dir points to a valid directory" */
if(chroot(chroot_zt) != 0)
sys_harderror(L_CHROOT_DO); /* "Problem changing the root directory." */
mlog(L_CHROOT_SUCCESS); /* "Root directory changed" */
/* Bind to port 53
To Do: use capset to give us privledged bind abilities without
needing to be root.
*/
if(js_qstr2js(kvar_query,"bind_address") == JS_ERROR)
harderror(L_KVAR_Q); /* "Could not create kvar_query" */
if(read_kvar(kvar_query,bind_address) == JS_ERROR)
harderror(L_NOBIND); /* "Problem getting chroot kvar.\nYou must have bind_address set to the IP maradns will listen on" */
if(udpbind(&sock,bind_address) == JS_ERROR)
sys_harderror(L_BINDFAIL); /* "Problem binding to port 53.\nMost likely, another process is already listening on port 53" */
zjlog(L_BIND2ADDR,bind_address); /* "Binding to address " */
mlog(L_BIND_SUCCESS); /* "Socket opened on UDP port 53" */
/* Drop the elevated privileges */
/* First, change the GID */
if(js_qstr2js(kvar_query,"maradns_gid") == JS_ERROR)
harderror(L_KVAR_Q); /* "Could not create kvar_query" */
if(read_kvar(kvar_query,uidstr) == JS_SUCCESS) {
gid = js_atoi(uidstr,0);
/* Drop all supplemtal groups */
setgroups(1,&gid);
/* Set the group ID */
setgid(gid);
}
/* Next, change the UID */
if(js_qstr2js(kvar_query,"maradns_uid") == JS_ERROR)
harderror(L_KVAR_Q); /* "Could not create kvar_query" */
if(read_kvar(kvar_query,uidstr) == JS_ERROR)
harderror(L_NOUID); /* "Problem getting maradns_uid kvar.\nYou must have maradns_uid set if you start this as root" */
if((uid = js_atoi(uidstr,0)) < 10)
harderror(L_BADUID); /* "maradns_uid is less than 10 or not a number.\nThis uid must have a value of 10 or more" */
if(setuid(uid) != 0)
sys_harderror(L_NODROP); /* "Could not drop root uid" */
/* Workaround for known Linux kernel security problem circa
early 2000 */
if(setuid(0) == 0)
sys_harderror(L_STILL_ROOT); /* "We seem to still be root" */
mlog(L_DROP_SUCCESS); /* "Root privileges dropped" */
}
else {
/* Bind to port 53 as a non-root user */
if(js_qstr2js(kvar_query,"bind_address") == JS_ERROR)
harderror(L_KVAR_Q); /* "Could not create kvar_query" */
if(read_kvar(kvar_query,bind_address) == JS_ERROR)
harderror(L_NOBIND); /* "Problem getting chroot kvar.\nYou must have bind_address set to the IP maradns will listen on" */
if(udpbind(&sock,bind_address) == JS_ERROR)
sys_harderror(L_BEROOT); /* "Problem binding to port 53.\nYou should run this as root" */
mlog(L_BIND_SUCCESS); /* "Socket opened on UDP port 53" */
}
/* Flush out any messages that have already appeared */
fflush(stdout);
/* Listen for data on the UDP socket */
for(;;) {
if(getudp(sock,(struct sockaddr *)&client,incoming,512) == JS_ERROR)
continue;
if(decompress_data(incoming,uncomp) == JS_ERROR)
continue;
proc_query(uncomp,(struct sockaddr_in *)&client,sock);
}
}
void *__hxcpp_get_proc_address(String inLib, String full_name,bool inNdllProc)
{
#ifdef ANDROID
inLib = HX_CSTRING("lib") + inLib;
//__android_log_print(ANDROID_LOG_INFO, "loader", "%s: %s", inLib.__CStr(), inPrim.__CStr() );
#endif
#ifdef IPHONE
gLoadDebug = true;
setenv("DYLD_PRINT_APIS","1",true);
#elif !defined(HX_WINRT)
gLoadDebug = gLoadDebug || getenv("HXCPP_LOAD_DEBUG");
#endif
String ext =
#if defined(_WIN32)
HX_CSTRING(".dll");
#elif defined(IPHONEOS)
HX_CSTRING(".ios.dylib");
#elif defined(IPHONESIM)
HX_CSTRING(".sim.dylib");
#elif defined(__APPLE__)
HX_CSTRING(".dylib");
#elif defined(ANDROID) || defined(GPH) || defined(WEBOS) || defined(BLACKBERRY) || defined(EMSCRIPTEN) || defined(TIZEN)
HX_CSTRING(".so");
#else
HX_CSTRING(".dso");
#endif
String bin =
#ifdef _WIN32
HX_CSTRING("Windows");
// Unix...
#elif defined(__APPLE__)
#ifdef HXCPP_M64
HX_CSTRING("Mac64");
#else
HX_CSTRING("Mac");
#endif
#elif defined (ANDROID)
HX_CSTRING("Android");
#elif defined(WEBOS)
HX_CSTRING("webOS");
#elif defined(BLACKBERRY)
HX_CSTRING("BlackBerry");
#elif defined(RASPBERRYPI)
HX_CSTRING("RPi");
#elif defined(EMSCRIPTEN)
HX_CSTRING("Emscripten");
#elif defined(TIZEN)
HX_CSTRING("Tizen");
#elif defined(IPHONESIM)
HX_CSTRING("IPhoneSim");
#elif defined(IPHONEOS)
HX_CSTRING("IPhoneOs");
#else
#ifdef HXCPP_M64
HX_CSTRING("Linux64");
#else
HX_CSTRING("Linux");
#endif
#endif
int passes = 4;
#ifdef ANDROID
std::string module_name = inLib.__CStr();
Module module = sgLoadedModule[module_name];
#else
Module module = sgLoadedModule[inLib.__s];
#endif
bool new_module = module==0;
if (!module && sgRegisteredPrims)
{
void *registered = (*sgRegisteredPrims)[full_name.__CStr()];
if (registered)
return registered;
}
if (!module && gLoadDebug)
{
#ifdef ANDROID
__android_log_print(ANDROID_LOG_INFO, "loader", "Searching for %s...", module_name.c_str());
#else
printf("Searching for %s...\n", inLib.__CStr());
#endif
}
for(int pass=0;module==0 && pass<2;pass++)
{
String dll_ext = HX_CSTRING("./") + inLib + ( (pass&1) ? HX_CSTRING(".ndll") : ext );
// Try Current directory first ...
if (gLoadDebug)
{
#ifndef ANDROID
printf(" try %s...\n", dll_ext.__CStr());
#else
__android_log_print(ANDROID_LOG_INFO, "loader", "Try %s", dll_ext.__CStr());
#endif
}
module = hxLoadLibrary(dll_ext);
if (module)
break;
dll_ext = inLib + ( (pass&1) ? HX_CSTRING(".ndll") : ext );
if (gLoadDebug)
{
#ifndef ANDROID
printf(" try %s...\n", dll_ext.__CStr());
#else
__android_log_print(ANDROID_LOG_INFO, "loader", "Try %s", dll_ext.__CStr());
#endif
}
module = hxLoadLibrary(dll_ext);
// Try exactly as specified...
if (!module)
{
String dll_ext = pass==0 ? inLib : HX_CSTRING("./") + inLib;
if (gLoadDebug)
{
#ifndef ANDROID
printf(" try %s...\n", dll_ext.__CStr());
#else
__android_log_print(ANDROID_LOG_INFO, "loader", "Try %s", dll_ext.__CStr());
#endif
}
module = hxLoadLibrary(dll_ext);
}
#ifdef HX_MACOS
if (!module)
{
String exe_path = HX_CSTRING("@executable_path/") + inLib + ( (pass&1) ? HX_CSTRING(".ndll") : ext );
if (gLoadDebug)
{
printf(" try %s...\n", exe_path.__CStr());
}
module = hxLoadLibrary(exe_path);
}
#endif
#if !defined(ANDROID) && !defined(HX_WINRT) && !defined(IPHONE) && !defined(EMSCRIPTEN)
if (!module)
{
String hxcpp = GetEnv("HXCPP");
if (hxcpp.length!=0)
{
String name = hxcpp + HX_CSTRING("/bin/") + bin + HX_CSTRING("/") + dll_ext;
if (gLoadDebug)
printf(" try %s...\n", name.__CStr());
module = hxLoadLibrary(name);
}
}
if (!module)
{
String hxcpp = FindHaxelib( HX_CSTRING("hxcpp") );
if (hxcpp.length!=0)
{
String name = hxcpp + HX_CSTRING("/bin/") + bin + HX_CSTRING("/") + dll_ext;
if (gLoadDebug)
printf(" try %s...\n", name.__CStr());
module = hxLoadLibrary(name);
}
}
if (!module)
{
String path = FindHaxelib(inLib);
if (path.length!=0)
{
String full_path = path + HX_CSTRING("/ndll/") + bin + HX_CSTRING("/") + dll_ext;
if (gLoadDebug)
printf(" try %s...\n", full_path.__CStr());
module = hxLoadLibrary(full_path);
}
}
#endif
}
if (!module)
{
throw Dynamic(HX_CSTRING("Could not load module ") + inLib + HX_CSTRING("@") + full_name);
}
if (new_module)
{
#ifdef ANDROID
sgLoadedModule[module_name] = module;
#else
sgLoadedModule[inLib.__s] = module;
#endif
SetLoaderProcFunc set_loader = (SetLoaderProcFunc)hxFindSymbol(module,"hx_set_loader");
if (set_loader)
set_loader(hx_cffi);
GetNekoEntryFunc func = (GetNekoEntryFunc)hxFindSymbol(module,"__neko_entry_point");
if (func)
{
NekoEntryFunc entry = (NekoEntryFunc)func();
if (entry)
entry();
}
}
FundFunc proc_query = (FundFunc)hxFindSymbol(module,full_name.__CStr());
if (!proc_query)
{
#ifdef ANDROID
__android_log_print(ANDROID_LOG_ERROR, "loader", "Could not find primitive %s in %p",
full_name.__CStr(), module);
#else
fprintf(stderr,"Could not find primitive %s.\n", full_name.__CStr());
#endif
return 0;
}
if (!inNdllProc)
return (void *)proc_query;
void *proc = proc_query();
if (!proc)
{
#ifdef ANDROID
__android_log_print(ANDROID_LOG_ERROR, "loader", "Could not identify primitive %s in %s\n", full_name.__CStr(),inLib.__CStr());
fprintf(stderr,"Could not identify primitive %s in %s\n", full_name.__CStr(),inLib.__CStr());
#elif defined(ANDROID)
__android_log_print(ANDROID_LOG_ERROR, "loader", "Could not identify primitive %s in %s",
inPrim.__CStr(), inLib.__CStr() );
#else
fprintf(stderr,"Could not identify primitive %s in %s\n", full_name.__CStr(),inLib.__CStr());
#endif
}
return proc;
}