fileupload.c

CGI program for fileupload from IE

// ==================================
// Programmer1: Kaney
// Programmer2: Tai
// ==================================


#include <stdio.h> 
#include <stdlib.h> 
#include <string.h> 
#include <sys/stat.h> 
#include <time.h> 
#include <fcntl.h>
#include <getopt.h>
#include <sys/ioctl.h>
#include <unistd.h>
#include "cgivars.h"
#include "htmllib.h"
#include <dirent.h>
#include "../sysconf.h"


//want to check file extensions? 1=yes 0=no 
//define max size of uploads to 1000M
#define MAXSIZE 2000000000
//define upload directory relative to cgi-bin 
// buffer for storing boundary line and file name 
#define MAXLINE 512 
char szBoundary[MAXLINE]; 
char szFile[MAXLINE]; //filename to write to char
char myFile[MAXLINE]; //basename of uploaded file
// buffer of arbitrary size for reading from STDIN 
#define BUFFSIZE 16*1024 //orig
//#define BUFFSIZE 6*1024 //tai
char szBuff[BUFFSIZE];

int CheckExt(const char *filename) 
{ 
	char *p, *q; int len,i,isgood = 0; 
	//char *goodext[9] = {"gif","jpg","jpeg","png","bmp","tgz","gz","txt"," tar.gz"};  //orig
	char *goodext[1] = {"bin"}; 
	char ext[4]; //6 chars plus '\0'
	
	if (!(p = strchr(filename, '.'))) 
		return 0; /*move to first dot */ ++p; /* move past the dot */ 
	
	if (!(q = strchr(p, '\0'))) 
		return 0; /*move to end of string */
		
	len = q - p; 
	memcpy(ext, p, len); 
	ext[len] = '\0'; 

	if(strcmp(ext, goodext[0]) == 0)
	{
		isgood = 1;
	} 

/*
	for (i=0;i<=9;i++)
	{ 
		if(strcmp(ext,goodext[i]) == 0)
		{
			isgood = 1;
		} 
	} 
*/
	return isgood; 
}


#define FILE_STATUS_UPLOAD_OK 		0
#define FILE_STATUS_UPLOAD_FAIL		1
#define FILE_STATUS_EXIST 			5
#define FILE_STATUS_TOO_BIG 		7
#define FILE_STATUS_NOT_ALLOW 	8
#define FILE_STATUS_NO_DATA 		11

int getpidbyname(char *p){

	FILE *fp ;
	char tmpfile[]="/tmp/mypidtest", buffer[100];
	char *p_temp = NULL;
	char command[100];

	memset(command,0,100);
	sprintf(command,"ps | grep %s > %s",p,tmpfile);
	system(command);
	
	fp = fopen(tmpfile,"r");
	if ( fp == NULL ) {
		return -1;
	}

	memset(buffer,0,100);
	fgets(buffer,100,fp);	
	p_temp=strstr(buffer,"/bin/flash_erase");  //To make sure there is a string in tmpfile
	fclose(fp);

	unlink(tmpfile);

	if (p_temp ==NULL) {
		return -1;
	}
	else {
		p_temp = strtok(buffer," "); //strtok( )琌ノㄓち秨