/* jsexec.c */
/* Execute a Synchronet JavaScript module from the command-line */
/* $Id$ */
/****************************************************************************
* @format.tab-size 4 (Plain Text/Source Code File Header) *
* @format.use-tabs true (see http://www.synchro.net/ptsc_hdr.html) *
* *
* Copyright 2011 Rob Swindell - http://www.synchro.net/copyright.html *
* *
* This program is free software; you can redistribute it and/or *
* modify it under the terms of the GNU General Public License *
* as published by the Free Software Foundation; either version 2 *
* of the License, or (at your option) any later version. *
* See the GNU General Public License for more details: gpl.txt or *
* http://www.fsf.org/copyleft/gpl.html *
* *
* Anonymous FTP access to the most recent released source is available at *
* ftp://vert.synchro.net, ftp://cvs.synchro.net and ftp://ftp.synchro.net *
* *
* Anonymous CVS access to the development source and modification history *
* is available at cvs.synchro.net:/cvsroot/sbbs, example: *
* cvs -d :pserver:anonymous@cvs.synchro.net:/cvsroot/sbbs login *
* (just hit return, no password is necessary) *
* cvs -d :pserver:anonymous@cvs.synchro.net:/cvsroot/sbbs checkout src *
* *
* For Synchronet coding style and modification guidelines, see *
* http://www.synchro.net/source.html *
* *
* You are encouraged to submit any modifications (preferably in Unix diff *
* format) via e-mail to mods@synchro.net *
* *
* Note: If this box doesn't appear square, then you need to fix your tabs. *
****************************************************************************/
#ifndef JAVASCRIPT
#define JAVASCRIPT
#endif
#ifdef __unix__
#include <signal.h>
#endif
#include "sbbs.h"
#include "ciolib.h"
#include "ini_file.h"
#include "js_rtpool.h"
#include "js_request.h"
#define DEFAULT_LOG_LEVEL LOG_DEBUG /* Display all LOG levels */
#define DEFAULT_ERR_LOG_LVL LOG_WARNING
js_startup_t startup;
JSRuntime* js_runtime;
JSContext* js_cx;
JSObject* js_glob;
js_callback_t cb;
scfg_t scfg;
ulong js_max_bytes=JAVASCRIPT_MAX_BYTES;
ulong js_cx_stack=JAVASCRIPT_CONTEXT_STACK;
FILE* confp;
FILE* errfp;
FILE* nulfp;
FILE* statfp;
char revision[16];
char compiler[32];
char* host_name=NULL;
char host_name_buf[128];
char* load_path_list=JAVASCRIPT_LOAD_PATH;
BOOL pause_on_exit=FALSE;
BOOL pause_on_error=FALSE;
BOOL terminated=FALSE;
BOOL recycled;
int log_level=DEFAULT_LOG_LEVEL;
int err_level=DEFAULT_ERR_LOG_LVL;
pthread_mutex_t output_mutex;
#if defined(__unix__)
BOOL daemonize=FALSE;
#endif
char orig_cwd[MAX_PATH+1];
void banner(FILE* fp)
{
fprintf(fp,"\nJSexec v%s%c-%s (rev %s)%s - "
"Execute Synchronet JavaScript Module\n"
,VERSION,REVISION
,PLATFORM_DESC
,revision
#ifdef _DEBUG
," Debug"
#else
,""
#endif
);
fprintf(fp, "Compiled %s %s with %s\n"
,__DATE__, __TIME__, compiler);
}
void usage(FILE* fp)
{
banner(fp);
fprintf(fp,"\nusage: jsexec [-opts] [path]module[.js] [args]\n"
"\navailable opts:\n\n"
"\t-c<ctrl_dir> specify path to Synchronet CTRL directory\n"
#if defined(__unix__)
"\t-d run in background (daemonize)\n"
#endif
"\t-m<bytes> set maximum heap size (default=%u bytes)\n"
"\t-s<bytes> set context stack size (default=%u bytes)\n"
"\t-t<limit> set time limit (default=%u, 0=unlimited)\n"
"\t-y<interval> set yield interval (default=%u, 0=never)\n"
"\t-g<interval> set garbage collection interval (default=%u, 0=never)\n"
"\t-h[hostname] use local or specified host name (instead of SCFG value)\n"
"\t-u<mask> set file creation permissions mask (in octal)\n"
"\t-L<level> set log level (default=%u)\n"
"\t-E<level> set error log level threshold (default=%u)\n"
"\t-i<path_list> set load() comma-sep search path list (default=\"%s\")\n"
"\t-f use non-buffered stream for console messages\n"
"\t-a append instead of overwriting message output files\n"
"\t-e<filename> send error messages to file in addition to stderr\n"
"\t-o<filename> send console messages to file instead of stdout\n"
"\t-n send status messages to %s instead of stderr\n"
"\t-q send console messages to %s instead of stdout\n"
"\t-v display version details and exit\n"
"\t-x disable auto-termination on local abort signal\n"
"\t-l loop until intentionally terminated\n"
"\t-p wait for keypress (pause) on exit\n"
"\t-! wait for keypress (pause) on error\n"
,JAVASCRIPT_MAX_BYTES
,JAVASCRIPT_CONTEXT_STACK
,JAVASCRIPT_TIME_LIMIT
,JAVASCRIPT_YIELD_INTERVAL
,JAVASCRIPT_GC_INTERVAL
,DEFAULT_LOG_LEVEL
,DEFAULT_ERR_LOG_LVL
,load_path_list
,_PATH_DEVNULL
,_PATH_DEVNULL
);
}
int mfprintf(FILE* fp, char *fmt, ...)
{
va_list argptr;
char sbuf[1024];
int ret=0;
va_start(argptr,fmt);
ret=vsnprintf(sbuf,sizeof(sbuf),fmt,argptr);
sbuf[sizeof(sbuf)-1]=0;
va_end(argptr);
/* Mutex-protect stdout/stderr */
pthread_mutex_lock(&output_mutex);
ret = fprintf(fp, "%s\n", sbuf);
pthread_mutex_unlock(&output_mutex);
return(ret);
}
/* Log printf */
int lprintf(int level, const char *fmt, ...)
{
va_list argptr;
char sbuf[1024];
int ret=0;
if(level > log_level)
return(0);
va_start(argptr,fmt);
ret=vsnprintf(sbuf,sizeof(sbuf),fmt,argptr);
sbuf[sizeof(sbuf)-1]=0;
va_end(argptr);
#if defined(__unix__)
if(daemonize) {
syslog(level,"%s",sbuf);
return(ret);
}
#endif
/* Mutex-protect stdout/stderr */
pthread_mutex_lock(&output_mutex);
if(level<=err_level) {
ret=fprintf(errfp,"%s\n",sbuf);
if(errfp!=stderr && confp!=stdout)
ret=fprintf(statfp,"%s\n",sbuf);
}
if(level>err_level || errfp!=stderr)
ret=fprintf(confp,"%s\n",sbuf);
pthread_mutex_unlock(&output_mutex);
return(ret);
}
#if defined(__unix__) && defined(NEEDS_DAEMON)
/****************************************************************************/
/* Daemonizes the process */
/****************************************************************************/
int
daemon(int nochdir, int noclose)
{
int fd;
switch (fork()) {
case -1:
return (-1);
case 0:
break;
default:
_exit(0);
}
if (setsid() == -1)
return (-1);
if (!nochdir)
(void)chdir("/");
if (!noclose && (fd = open(_PATH_DEVNULL, O_RDWR, 0)) != -1) {
(void)dup2(fd, STDIN_FILENO);
(void)dup2(fd, STDOUT_FILENO);
(void)dup2(fd, STDERR_FILENO);
if (fd > 2)
(void)close(fd);
}
return (0);
}
#endif
#if defined(_WINSOCKAPI_)
WSADATA WSAData;
#define SOCKLIB_DESC WSAData.szDescription
static BOOL WSAInitialized=FALSE;
static BOOL winsock_startup(void)
{
int status; /* Status Code */
if((status = WSAStartup(MAKEWORD(1,1), &WSAData))==0) {
/* fprintf(statfp,"%s %s\n",WSAData.szDescription, WSAData.szSystemStatus); */
WSAInitialized=TRUE;
return(TRUE);
}
lprintf(LOG_CRIT,"!WinSock startup ERROR %d", status);
return(FALSE);
}
#else /* No WINSOCK */
#define winsock_startup() (TRUE)
#define SOCKLIB_DESC NULL
#endif
static int do_bail(int code)
{
#if defined(_WINSOCKAPI_)
if(WSAInitialized && WSACleanup()!=0)
lprintf(LOG_ERR,"!WSACleanup ERROR %d",ERROR_VALUE);
#endif
if(pause_on_exit || (code && pause_on_error)) {
fprintf(statfp,"\nHit enter to continue...");
getchar();
}
if(code)
fprintf(statfp,"\nReturning error code: %d\n",code);
return(code);
}
void bail(int code)
{
exit(do_bail(code));
}
static JSBool
js_log(JSContext *cx, uintN argc, jsval *arglist)
{
jsval *argv=JS_ARGV(cx, arglist);
uintN i=0;
int32 level=LOG_INFO;
JSString* str=NULL;
jsrefcount rc;
char *logstr;
JS_SET_RVAL(cx, arglist, JSVAL_VOID);
if(argc > 1 && JSVAL_IS_NUMBER(argv[i])) {
if(!JS_ValueToInt32(cx,argv[i++],&level))
return JS_FALSE;
}
for(; i<argc; i++) {
if((str=JS_ValueToString(cx, argv[i]))==NULL)
return(JS_FALSE);
JSSTRING_TO_STRING(cx, str, logstr, NULL);
if(logstr==NULL)
return(JS_FALSE);
rc=JS_SUSPENDREQUEST(cx);
lprintf(level,"%s",logstr);
JS_RESUMEREQUEST(cx, rc);
}
if(logstr==NULL)
JS_SET_RVAL(cx, arglist, JSVAL_VOID);
else
JS_SET_RVAL(cx, arglist, STRING_TO_JSVAL(str));
return(JS_TRUE);
}
static JSBool
js_read(JSContext *cx, uintN argc, jsval *arglist)
{
jsval *argv=JS_ARGV(cx, arglist);
char* buf;
int rd;
int32 len=128;
jsrefcount rc;
JS_SET_RVAL(cx, arglist, JSVAL_VOID);
if(argc) {
if(!JS_ValueToInt32(cx,argv[0],&len))
return JS_FALSE;
}
if((buf=alloca(len))==NULL)
return(JS_TRUE);
rc=JS_SUSPENDREQUEST(cx);
rd=fread(buf,sizeof(char),len,stdin);
JS_RESUMEREQUEST(cx, rc);
if(rd>=0)
JS_SET_RVAL(cx, arglist, STRING_TO_JSVAL(JS_NewStringCopyN(cx,buf,rd)));
return(JS_TRUE);
}
static JSBool
js_readln(JSContext *cx, uintN argc, jsval *arglist)
{
jsval *argv=JS_ARGV(cx, arglist);
char* buf;
char* p;
int32 len=128;
jsrefcount rc;
JS_SET_RVAL(cx, arglist, JSVAL_VOID);
if(argc) {
if(!JS_ValueToInt32(cx,argv[0],&len))
return JS_FALSE;
}
if((buf=alloca(len+1))==NULL)
return(JS_TRUE);
rc=JS_SUSPENDREQUEST(cx);
p=fgets(buf,len+1,stdin);
JS_RESUMEREQUEST(cx, rc);
if(p!=NULL)
JS_SET_RVAL(cx, arglist, STRING_TO_JSVAL(JS_NewStringCopyZ(cx,truncnl(p))));
return(JS_TRUE);
}
static JSBool
js_write(JSContext *cx, uintN argc, jsval *arglist)
{
jsval *argv=JS_ARGV(cx, arglist);
uintN i;
JSString* str=NULL;
jsrefcount rc;
char *line;
JS_SET_RVAL(cx, arglist, JSVAL_VOID);
for (i = 0; i < argc; i++) {
if((str=JS_ValueToString(cx, argv[0]))==NULL)
return(JS_FALSE);
JSSTRING_TO_STRING(cx, str, line, NULL);
if(line==NULL)
return(JS_FALSE);
rc=JS_SUSPENDREQUEST(cx);
fprintf(confp,"%s",line);
JS_RESUMEREQUEST(cx, rc);
}
if(str==NULL)
JS_SET_RVAL(cx, arglist, JSVAL_VOID);
else
JS_SET_RVAL(cx, arglist, STRING_TO_JSVAL(str));
return(JS_TRUE);
}
static JSBool
js_writeln(JSContext *cx, uintN argc, jsval *arglist)
{
jsrefcount rc;
JS_SET_RVAL(cx, arglist, JSVAL_VOID);
if(!js_write(cx,argc,arglist))
return(JS_FALSE);
rc=JS_SUSPENDREQUEST(cx);
fprintf(confp,"\n");
JS_RESUMEREQUEST(cx, rc);
return(JS_TRUE);
}
static JSBool
js_printf(JSContext *cx, uintN argc, jsval *arglist)
{
jsval *argv=JS_ARGV(cx, arglist);
char* p;
jsrefcount rc;
JS_SET_RVAL(cx, arglist, JSVAL_VOID);
if((p = js_sprintf(cx, 0, argc, argv))==NULL) {
JS_ReportError(cx,"js_sprintf failed");
return(JS_FALSE);
}
rc=JS_SUSPENDREQUEST(cx);
fprintf(confp,"%s",p);
JS_RESUMEREQUEST(cx, rc);
JS_SET_RVAL(cx, arglist, STRING_TO_JSVAL(JS_NewStringCopyZ(cx, p)));
js_sprintf_free(p);
return(JS_TRUE);
}
static JSBool
js_alert(JSContext *cx, uintN argc, jsval *arglist)
{
jsval *argv=JS_ARGV(cx, arglist);
jsrefcount rc;
char *line;
JS_SET_RVAL(cx, arglist, JSVAL_VOID);
JSVALUE_TO_STRING(cx, argv[0], line, NULL);
if(line==NULL)
return(JS_FALSE);
rc=JS_SUSPENDREQUEST(cx);
fprintf(confp,"!%s\n",line);
JS_RESUMEREQUEST(cx, rc);
JS_SET_RVAL(cx, arglist, argv[0]);
return(JS_TRUE);
}
static JSBool
js_confirm(JSContext *cx, uintN argc, jsval *arglist)
{
jsval *argv=JS_ARGV(cx, arglist);
JSString * str;
char * cstr;
char * p;
jsrefcount rc;
char instr[81]="y";
JS_SET_RVAL(cx, arglist, JSVAL_VOID);
if((str=JS_ValueToString(cx, argv[0]))==NULL)
return(JS_FALSE);
JSSTRING_TO_STRING(cx, str, cstr, NULL);
printf("%s (Y/n)? ", cstr);
rc=JS_SUSPENDREQUEST(cx);
fgets(instr,sizeof(instr),stdin);
JS_RESUMEREQUEST(cx, rc);
p=instr;
SKIP_WHITESPACE(p);
JS_SET_RVAL(cx, arglist, BOOLEAN_TO_JSVAL(tolower(*p)!='n'));
return(JS_TRUE);
}
static JSBool
js_deny(JSContext *cx, uintN argc, jsval *arglist)
{
jsval *argv=JS_ARGV(cx, arglist);
JSString * str;
char * cstr;
char * p;
jsrefcount rc;
char instr[81];
JS_SET_RVAL(cx, arglist, JSVAL_VOID);
if((str=JS_ValueToString(cx, argv[0]))==NULL)
return(JS_FALSE);
JSSTRING_TO_STRING(cx, str, cstr, NULL);
printf("%s (N/y)? ", cstr);
rc=JS_SUSPENDREQUEST(cx);
fgets(instr,sizeof(instr),stdin);
JS_RESUMEREQUEST(cx, rc);
p=instr;
SKIP_WHITESPACE(p);
JS_SET_RVAL(cx, arglist, BOOLEAN_TO_JSVAL(tolower(*p)!='y'));
return(JS_TRUE);
}
static JSBool
js_prompt(JSContext *cx, uintN argc, jsval *arglist)
{
jsval *argv=JS_ARGV(cx, arglist);
char instr[81];
JSString * str;
jsrefcount rc;
char *prstr;
JS_SET_RVAL(cx, arglist, JSVAL_VOID);
if(argc>0 && !JSVAL_IS_VOID(argv[0])) {
JSVALUE_TO_STRING(cx, argv[0], prstr, NULL);
if(prstr==NULL)
return(JS_FALSE);
rc=JS_SUSPENDREQUEST(cx);
fprintf(confp,"%s: ",prstr);
JS_RESUMEREQUEST(cx, rc);
}
if(argc>1) {
JSVALUE_TO_STRING(cx, argv[1], prstr, NULL);
if(prstr==NULL)
return(JS_FALSE);
SAFECOPY(instr,prstr);
} else
instr[0]=0;
rc=JS_SUSPENDREQUEST(cx);
if(!fgets(instr,sizeof(instr),stdin)) {
JS_RESUMEREQUEST(cx, rc);
return(JS_TRUE);
}
JS_RESUMEREQUEST(cx, rc);
if((str=JS_NewStringCopyZ(cx, truncnl(instr)))==NULL)
return(JS_FALSE);
JS_SET_RVAL(cx, arglist, STRING_TO_JSVAL(str));
return(JS_TRUE);
}
static JSBool
js_chdir(JSContext *cx, uintN argc, jsval *arglist)
{
jsval *argv=JS_ARGV(cx, arglist);
char* p;
jsrefcount rc;
JSVALUE_TO_STRING(cx, argv[0], p, NULL);
if(p==NULL) {
JS_SET_RVAL(cx, arglist, INT_TO_JSVAL(-1));
return(JS_TRUE);
}
rc=JS_SUSPENDREQUEST(cx);
JS_SET_RVAL(cx, arglist, BOOLEAN_TO_JSVAL(chdir(p)==0));
JS_RESUMEREQUEST(cx, rc);
return(JS_TRUE);
}
static JSBool
js_putenv(JSContext *cx, uintN argc, jsval *arglist)
{
jsval *argv=JS_ARGV(cx, arglist);
char* p=NULL;
if(argc)
JSVALUE_TO_STRING(cx, argv[0], p, NULL);
if(p==NULL) {
JS_SET_RVAL(cx, arglist, INT_TO_JSVAL(-1));
return(JS_TRUE);
}
JS_SET_RVAL(cx, arglist, BOOLEAN_TO_JSVAL(putenv(strdup(p))==0));
return(JS_TRUE);
}
static jsSyncMethodSpec js_global_functions[] = {
{"log", js_log, 1},
{"read", js_read, 1},
{"readln", js_readln, 1},
{"write", js_write, 0},
{"writeln", js_writeln, 0},
{"print", js_writeln, 0},
{"printf", js_printf, 1},
{"alert", js_alert, 1},
{"prompt", js_prompt, 1},
{"confirm", js_confirm, 1},
{"deny", js_deny, 1},
{"chdir", js_chdir, 1},
{"putenv", js_putenv, 1},
{0}
};
static void
js_ErrorReporter(JSContext *cx, const char *message, JSErrorReport *report)
{
char line[64];
char file[MAX_PATH+1];
const char* warning;
jsrefcount rc;
int log_level;
rc=JS_SUSPENDREQUEST(cx);
if(report==NULL) {
lprintf(LOG_ERR,"!JavaScript: %s", message);
JS_RESUMEREQUEST(cx, rc);
return;
}
if(report->filename)
sprintf(file," %s",report->filename);
else
file[0]=0;
if(report->lineno)
sprintf(line," line %d",report->lineno);
else
line[0]=0;
if(JSREPORT_IS_WARNING(report->flags)) {
if(JSREPORT_IS_STRICT(report->flags))
warning="strict warning";
else
warning="warning";
log_level=LOG_WARNING;
} else {
log_level=LOG_ERR;
warning="";
}
lprintf(log_level,"!JavaScript %s%s%s: %s",warning,file,line,message);
JS_RESUMEREQUEST(cx, rc);
}
static JSBool
js_OperationCallback(JSContext *cx)
{
JSBool ret;
JS_SetOperationCallback(cx, NULL);
ret=js_CommonOperationCallback(cx, &cb);
JS_SetOperationCallback(cx, js_OperationCallback);
return ret;
}
static BOOL js_CreateEnvObject(JSContext* cx, JSObject* glob, char** env)
{
char name[256];
char* val;
uint i;
JSObject* js_env;
if((js_env=JS_NewObject(js_cx, NULL, NULL, glob))==NULL)
return(FALSE);
if(!JS_DefineProperty(cx, glob, "env", OBJECT_TO_JSVAL(js_env)
,NULL,NULL,JSPROP_READONLY|JSPROP_ENUMERATE))
return(FALSE);
for(i=0;env[i]!=NULL;i++) {
SAFECOPY(name,env[i]);
truncstr(name,"=");
val=strchr(env[i],'=');
if(val==NULL)
val="";
else
val++;
if(!JS_DefineProperty(cx, js_env, name, STRING_TO_JSVAL(JS_NewStringCopyZ(cx,val))
,NULL,NULL,JSPROP_READONLY|JSPROP_ENUMERATE))
return(FALSE);
}
return(TRUE);
}
static BOOL js_init(char** environ)
{
memset(&startup,0,sizeof(startup));
SAFECOPY(startup.load_path, load_path_list);
fprintf(statfp,"%s\n",(char *)JS_GetImplementationVersion());
fprintf(statfp,"JavaScript: Creating runtime: %lu bytes\n"
,js_max_bytes);
if((js_runtime = jsrt_GetNew(js_max_bytes, 5000, __FILE__, __LINE__))==NULL)
return(FALSE);
fprintf(statfp,"JavaScript: Initializing context (stack: %lu bytes)\n"
,js_cx_stack);
if((js_cx = JS_NewContext(js_runtime, js_cx_stack))==NULL)
return(FALSE);
JS_BEGINREQUEST(js_cx);
JS_SetErrorReporter(js_cx, js_ErrorReporter);
/* Global Object */
if(!js_CreateCommonObjects(js_cx, &scfg, NULL, js_global_functions
,time(NULL), host_name, SOCKLIB_DESC /* system */
,&cb,&startup /* js */
,NULL,INVALID_SOCKET /* client */
,NULL /* server */
,&js_glob
)) {
JS_ENDREQUEST(js_cx);
return(FALSE);
}
/* Environment Object (associative array) */
if(!js_CreateEnvObject(js_cx, js_glob, environ)) {
JS_ENDREQUEST(js_cx);
return(FALSE);
}
if(js_CreateUifcObject(js_cx, js_glob)==NULL) {
JS_ENDREQUEST(js_cx);
return(FALSE);
}
if(js_CreateConioObject(js_cx, js_glob)==NULL) {
JS_ENDREQUEST(js_cx);
return(FALSE);
}
return(TRUE);
}
static const char* js_ext(const char* fname)
{
if(strchr(fname,'.')==NULL)
return(".js");
return("");
}
long js_exec(const char *fname, char** args)
{
int argc=0;
uint line_no;
char path[MAX_PATH+1];
char line[1024];
char rev_detail[256];
size_t len;
char* js_buf=NULL;
size_t js_buflen;
JSObject* js_script=NULL;
JSString* arg;
JSObject* argv;
FILE* fp=stdin;
jsval val;
jsval rval=JSVAL_VOID;
int32 result=0;
long double start;
long double diff;
if(fname!=NULL) {
if(isfullpath(fname)) {
SAFECOPY(path,fname);
}
else {
SAFEPRINTF3(path,"%s%s%s",orig_cwd,fname,js_ext(fname));
if(!fexistcase(path)) {
SAFEPRINTF3(path,"%s%s%s",scfg.mods_dir,fname,js_ext(fname));
if(scfg.mods_dir[0]==0 || !fexistcase(path))
SAFEPRINTF3(path,"%s%s%s",scfg.exec_dir,fname,js_ext(fname));
}
}
if(!fexistcase(path)) {
lprintf(LOG_ERR,"!Module file (%s) doesn't exist",path);
return(-1);
}
if((fp=fopen(path,"r"))==NULL) {
lprintf(LOG_ERR,"!Error %d (%s) opening %s",errno,STRERROR(errno),path);
return(-1);
}
}
JS_ClearPendingException(js_cx);
argv=JS_NewArrayObject(js_cx, 0, NULL);
JS_DefineProperty(js_cx, js_glob, "argv", OBJECT_TO_JSVAL(argv)
,NULL,NULL,JSPROP_READONLY|JSPROP_ENUMERATE);
for(argc=0;args[argc];argc++) {
arg = JS_NewStringCopyZ(js_cx, args[argc]);
if(arg==NULL)
break;
val=STRING_TO_JSVAL(arg);
if(!JS_SetElement(js_cx, argv, argc, &val))
break;
}
JS_DefineProperty(js_cx, js_glob, "argc", INT_TO_JSVAL(argc)
,NULL,NULL,JSPROP_READONLY|JSPROP_ENUMERATE);
JS_DefineProperty(js_cx, js_glob, "jsexec_revision"
,STRING_TO_JSVAL(JS_NewStringCopyZ(js_cx,revision))
,NULL,NULL,JSPROP_READONLY|JSPROP_ENUMERATE);
sprintf(rev_detail,"JSexec %s%s "
"Compiled %s %s with %s"
,revision
#ifdef _DEBUG
," Debug"
#else
,""
#endif
,__DATE__, __TIME__, compiler
);
JS_DefineProperty(js_cx, js_glob, "jsexec_revision_detail"
,STRING_TO_JSVAL(JS_NewStringCopyZ(js_cx,rev_detail))
,NULL,NULL,JSPROP_READONLY|JSPROP_ENUMERATE);
cb.terminated=&terminated;
JS_SetOperationCallback(js_cx, js_OperationCallback);
if(fp==stdin) /* Using stdin for script source */
SAFECOPY(path,"stdin");
fprintf(statfp,"Reading script from %s\n",path);
line_no=0;
js_buflen=0;
while(!feof(fp)) {
if(!fgets(line,sizeof(line),fp))
break;
line_no++;
#if defined(__unix__) /* Support Unix Shell Scripts that start with #!/path/to/jsexec */
if(line_no==1 && strncmp(line,"#!",2)==0)
strcpy(line,"\n"); /* To keep line count correct */
#endif
len=strlen(line);
if((js_buf=realloc(js_buf,js_buflen+len))==NULL) {
lprintf(LOG_ERR,"!Error allocating %u bytes of memory"
,js_buflen+len);
return(-1);
}
memcpy(js_buf+js_buflen,line,len);
js_buflen+=len;
}
if(fp!=NULL && fp!=stdin)
fclose(fp);
start=xp_timer();
if((js_script=JS_CompileScript(js_cx, js_glob, js_buf, js_buflen, fname==NULL ? NULL : path, 1))==NULL) {
lprintf(LOG_ERR,"!Error compiling script from %s",path);
return(-1);
}
if((diff=xp_timer()-start) > 0)
mfprintf(statfp,"%s compiled in %.2Lf seconds"
,path
,diff);
js_PrepareToExecute(js_cx, js_glob, fname==NULL ? NULL : path, orig_cwd);
start=xp_timer();
JS_ExecuteScript(js_cx, js_glob, js_script, &rval);
JS_GetProperty(js_cx, js_glob, "exit_code", &rval);
if(rval!=JSVAL_VOID && JSVAL_IS_NUMBER(rval)) {
char *p;
JSVALUE_TO_STRING(js_cx, rval, p, NULL);
mfprintf(statfp,"Using JavaScript exit_code: %s",p);
JS_ValueToInt32(js_cx,rval,&result);
}
js_EvalOnExit(js_cx, js_glob, &cb);
JS_ReportPendingException(js_cx);
if((diff=xp_timer()-start) > 0)
mfprintf(statfp,"%s executed in %.2Lf seconds"
,path
,diff);
if(js_buf!=NULL)
free(js_buf);
return(result);
}
void break_handler(int type)
{
lprintf(LOG_NOTICE,"\n-> Terminated Locally (signal: %d)",type);
terminated=TRUE;
}
void recycle_handler(int type)
{
lprintf(LOG_NOTICE,"\n-> Recycled Locally (signal: %d)",type);
recycled=TRUE;
cb.terminated=&recycled;
}
#if defined(_WIN32)
BOOL WINAPI ControlHandler(unsigned long CtrlType)
{
break_handler((int)CtrlType);
return TRUE;
}
#endif
int parseLogLevel(const char* p)
{
str_list_t logLevelStringList=iniLogLevelStringList();
int i;
if(isdigit(*p))
return strtol(p,NULL,0);
/* Exact match */
for(i=0;logLevelStringList[i]!=NULL;i++) {
if(stricmp(logLevelStringList[i],p)==0)
return i;
}
/* Partial match */
for(i=0;logLevelStringList[i]!=NULL;i++) {
if(strnicmp(logLevelStringList[i],p,strlen(p))==0)
return i;
}
return DEFAULT_LOG_LEVEL;
}
/*********************/
/* Entry point (duh) */
/*********************/
int main(int argc, char **argv, char** environ)
{
char error[512];
char* module=NULL;
char* p;
char* omode="w";
int argn;
long result;
ulong exec_count=0;
BOOL loop=FALSE;
BOOL nonbuffered_con=FALSE;
confp=stdout;
errfp=stderr;
if((nulfp=fopen(_PATH_DEVNULL,"w+"))==NULL) {
perror(_PATH_DEVNULL);
return(do_bail(-1));
}
if(isatty(fileno(stderr)))
statfp=stderr;
else /* if redirected, don't send status messages to stderr */
statfp=nulfp;
cb.limit=JAVASCRIPT_TIME_LIMIT;
cb.yield_interval=JAVASCRIPT_YIELD_INTERVAL;
cb.gc_interval=JAVASCRIPT_GC_INTERVAL;
cb.auto_terminate=TRUE;
sscanf("$Revision$", "%*s %s", revision);
DESCRIBE_COMPILER(compiler);
memset(&scfg,0,sizeof(scfg));
scfg.size=sizeof(scfg);
if(!winsock_startup())
return(do_bail(2));
getcwd(orig_cwd, sizeof(orig_cwd));
backslash(orig_cwd);
for(argn=1;argn<argc && module==NULL;argn++) {
if(argv[argn][0]=='-') {
p=argv[argn]+2;
switch(argv[argn][1]) {
case 'a':
omode="a";
break;
case 'f':
nonbuffered_con=TRUE;
break;
case 'm':
if(*p==0) p=argv[++argn];
js_max_bytes=strtoul(p,NULL,0);
break;
case 's':
if(*p==0) p=argv[++argn];
js_cx_stack=strtoul(p,NULL,0);
break;
case 't':
if(*p==0) p=argv[++argn];
cb.limit=strtoul(p,NULL,0);
break;
case 'y':
if(*p==0) p=argv[++argn];
cb.yield_interval=strtoul(p,NULL,0);
break;
case 'g':
if(*p==0) p=argv[++argn];
cb.gc_interval=strtoul(p,NULL,0);
break;
case 'h':
if(*p==0)
gethostname(host_name=host_name_buf,sizeof(host_name_buf));
else
host_name=p;
break;
case 'u':
if(*p==0) p=argv[++argn];
umask(strtol(p,NULL,8));
break;
case 'L':
if(*p==0) p=argv[++argn];
log_level=parseLogLevel(p);
break;
case 'E':
if(*p==0) p=argv[++argn];
err_level=parseLogLevel(p);
break;
case 'e':
if(*p==0) p=argv[++argn];
if((errfp=fopen(p,omode))==NULL) {
perror(p);
return(do_bail(1));
}
break;
case 'o':
if(*p==0) p=argv[++argn];
if((confp=fopen(p,omode))==NULL) {
perror(p);
return(do_bail(1));
}
break;
case 'q':
confp=nulfp;
break;
case 'n':
statfp=nulfp;
break;
case 'x':
cb.auto_terminate=FALSE;
break;
case 'l':
loop=TRUE;
break;
case 'p':
pause_on_exit=TRUE;
break;
case '!':
pause_on_error=TRUE;
break;
case 'c':
if(*p==0) p=argv[++argn];
SAFECOPY(scfg.ctrl_dir,p);
break;
case 'i':
if(*p==0) p=argv[++argn];
load_path_list=p;
break;
case 'v':
banner(statfp);
fprintf(statfp,"%s\n",(char *)JS_GetImplementationVersion());
return(do_bail(0));
#if defined(__unix__)
case 'd':
daemonize=TRUE;
break;
#endif
default:
fprintf(errfp,"\n!Unsupported option: %s\n",argv[argn]);
case '?':
usage(errfp);
return(do_bail(1));
}
continue;
}
module=argv[argn];
}
if(scfg.ctrl_dir[0]==0) {
if((p=getenv("SBBSCTRL"))==NULL) {
fprintf(errfp,"\nSBBSCTRL environment variable not set and -c option not specified.\n");
fprintf(errfp,"\nExample: SET SBBSCTRL=/sbbs/ctrl\n");
fprintf(errfp,"\n or: %s -c /sbbs/ctrl [module]\n",argv[0]);
return(do_bail(1));
}
SAFECOPY(scfg.ctrl_dir,p);
}
if(module==NULL && isatty(fileno(stdin))) {
fprintf(errfp,"\n!Module name not specified\n");
usage(errfp);
return(do_bail(1));
}
banner(statfp);
if(chdir(scfg.ctrl_dir)!=0)
fprintf(errfp,"!ERROR changing directory to: %s\n", scfg.ctrl_dir);
fprintf(statfp,"\nLoading configuration files from %s\n",scfg.ctrl_dir);
if(!load_cfg(&scfg,NULL,TRUE,error)) {
fprintf(errfp,"!ERROR loading configuration files: %s\n",error);
return(do_bail(1));
}
SAFECOPY(scfg.temp_dir,"../temp");
prep_dir(scfg.ctrl_dir, scfg.temp_dir, sizeof(scfg.temp_dir));
if(host_name==NULL)
host_name=scfg.sys_inetaddr;
#if defined(__unix__)
if(daemonize) {
fprintf(statfp,"\nRunning as daemon\n");
if(daemon(TRUE,FALSE)) { /* Daemonize, DON'T switch to / and DO close descriptors */
fprintf(statfp,"!ERROR %d running as daemon\n",errno);
daemonize=FALSE;
}
}
#endif
/* Don't cache error log */
setvbuf(errfp,NULL,_IONBF,0);
if(nonbuffered_con)
setvbuf(confp,NULL,_IONBF,0);
/* Seed random number generator */
sbbs_srand();
/* Install Ctrl-C/Break signal handler here */
#if defined(_WIN32)
SetConsoleCtrlHandler(ControlHandler, TRUE /* Add */);
#elif defined(__unix__)
signal(SIGQUIT,break_handler);
signal(SIGINT,break_handler);
signal(SIGTERM,break_handler);
signal(SIGHUP,recycle_handler);
/* Don't die on SIGPIPE */
signal(SIGPIPE,SIG_IGN);
#endif
pthread_mutex_init(&output_mutex,NULL);
do {
if(exec_count++)
lprintf(LOG_INFO,"\nRe-running: %s", module);
recycled=FALSE;
if(!js_init(environ)) {
lprintf(LOG_ERR,"!JavaScript initialization failure");
return(do_bail(1));
}
fprintf(statfp,"\n");
result=js_exec(module,&argv[argn]);
JS_RemoveObjectRoot(js_cx, &js_glob);
JS_ENDREQUEST(js_cx);
YIELD();
if(result)
lprintf(LOG_ERR,"!Module set exit_code: %ld", result);
fprintf(statfp,"\n");
fprintf(statfp,"JavaScript: Destroying context\n");
JS_DestroyContext(js_cx);
fprintf(statfp,"JavaScript: Destroying runtime\n");
jsrt_Release(js_runtime);
} while((recycled || loop) && !terminated);
return(do_bail(result));
}