Example #1
0
File: main.c Project: dancahill/nsp
static NSP_FUNCTION(neslib_io_gets)
{
	obj_t *cobj1 = nsp_getobj(N, &N->l, "1");
#if !defined(WIN32)&&!defined(__TURBOC__)
	struct sigaction sa;
	int err = 0;
#endif
	char buf[1024];
	char *ret;
	int t = 0;

	if (nsp_isnum(cobj1)) {
		t = (int)cobj1->val->d.num;
	}

	flush(N);
#if !defined(WIN32)&&!defined(__TURBOC__)
	memset(&sa, 0, sizeof(sa));
	sa.sa_handler = timeout;
	sigaction(SIGALRM, &sa, NULL);
	alarm(t);
#endif
	ret = fgets(buf, sizeof(buf) - 1, stdin);
#if !defined(WIN32)&&!defined(__TURBOC__)
	err = errno;
	alarm(0);
	if (ret == NULL) {
		switch (err) {
		case EINTR:
			printf("timed out\r\n");
			return -2;
		default:
			return -1;
		}
	}
#else
	if (ret == NULL) {
		printf("fgets() error\r\n");
	}
#endif
	striprn(buf);
	nsp_setstr(N, &N->r, "", buf, -1);
	return 0;
}
Example #2
0
int read_header(int sid)
{
	char line[2048];
	char *pTemp;
	time_t x;

	strncpy(conn[sid].dat->in_RemoteAddr, inet_ntoa(conn[sid].ClientAddr.sin_addr), sizeof(conn[sid].dat->in_RemoteAddr)-1);
	x=time((time_t*)0);
	do {
		memset(line, 0, sizeof(line));
		sgets(line, sizeof(line)-1, conn[sid].socket);
		striprn(line);
	} while ((strlen(line)==0)&&((time((time_t)0)-x)<30));
	if ((strlen(line)==0)&&((time((time_t)0)-x)>=30)) {
#ifdef DEBUG
logdata("\n[[[ KILLING IDLE KEEPALIVE ]]]\n");
#endif
		closeconnect(sid, 1);
	}
#ifdef DEBUG
logdata("\n[[[ STARTING REQUEST ]]]\n");
#endif
	if (strlen(line)==0)
		printerror(sid, 400, "Bad Request", "No Request Found.");
	if (sscanf(line, "%[^ ] %[^ ] %[^ ]", conn[sid].dat->in_RequestMethod, conn[sid].dat->in_RequestURI, conn[sid].dat->in_Protocol)!=3)
		printerror(sid, 400, "Bad Request", "Can't Parse Request.");
	pTemp=conn[sid].dat->in_RequestMethod;
	while (*pTemp) { *pTemp=toupper(*pTemp); pTemp++; };
	while (strlen(line)>0) {
		sgets(line, sizeof(line)-1, conn[sid].socket);
		while ((line[strlen(line)-1]=='\n')||(line[strlen(line)-1]=='\r')) line[strlen(line)-1]='\0';
		if (strncasecmp(line, "Connection: ", 12)==0)
			strncpy(conn[sid].dat->in_Connection, (char *)&line+12, sizeof(conn[sid].dat->in_Connection)-1);
		if (strncasecmp(line, "Content-Length: ", 16)==0) {
			conn[sid].dat->in_ContentLength=atoi((char *)&line+16);
			if (conn[sid].dat->in_ContentLength<0) {
				// Negative Content-Length?  If so, the client is either broken or malicious.
				// Thanks to <*****@*****.**> for spotting this one.
				logerror("ERROR: negative Content-Length of %d provided by client.", conn[sid].dat->in_ContentLength);
				conn[sid].dat->in_ContentLength=0;
			}
		}
		if (strncasecmp(line, "Cookie: ", 8)==0)
			strncpy(conn[sid].dat->in_Cookie, (char *)&line+8, sizeof(conn[sid].dat->in_Cookie)-1);
		if (strncasecmp(line, "Host: ", 6)==0)
			strncpy(conn[sid].dat->in_Host, (char *)&line+6, sizeof(conn[sid].dat->in_Host)-1);
		if (strncasecmp(line, "If-Modified-Since: ", 19)==0)
			strncpy(conn[sid].dat->in_IfModifiedSince, (char *)&line+19, sizeof(conn[sid].dat->in_IfModifiedSince)-1);
		if (strncasecmp(line, "User-Agent: ", 12)==0)
			strncpy(conn[sid].dat->in_UserAgent, (char *)&line+12, sizeof(conn[sid].dat->in_UserAgent)-1);
	}
	if ((strcmp(conn[sid].dat->in_RequestMethod, "GET")!=0)&&(strcmp(conn[sid].dat->in_RequestMethod, "POST")!=0)) {
		printerror(sid, 501, "Not Implemented", "That method is not implemented.");
		closeconnect(sid, 1);
		return -1;
	}
	if (strcmp(conn[sid].dat->in_RequestMethod, "POST")==0) {
		if (conn[sid].dat->in_ContentLength<MAX_POSTSIZE) {
			ReadPOSTData(sid);
		} else {
			// try to print an error : note the inbuffer being full may block us
			// FIXME: this is causing the children to segfault in win32
			printerror(sid, 413, "Bad Request", "Request entity too large.");
			logerror("%s - Large POST (>%d bytes) disallowed", conn[sid].dat->in_RemoteAddr, MAX_POSTSIZE);
			closeconnect(sid, 1);
			return -1;
		}
	}
	if (conn[sid].dat->in_RequestURI[0]!='/') {
		printerror(sid, 400, "Bad Request", "Bad filename.");
	}
	if (strchr(conn[sid].dat->in_RequestURI, '?')!=NULL) {
		strncpy(conn[sid].dat->in_QueryString, strchr(conn[sid].dat->in_RequestURI, '?')+1, sizeof(conn[sid].dat->in_QueryString)-1);
	}
	return 0;
}