proxy_ftp.c

最新apache的源代码

	    }
	 if(len>255)
	 	return -1;
	 memcpy(name,q,len);
	 if(flag==TRUE)
	 	return APR_SUCCESS;

	 rc=ap_proxy_decode_file_type(name,len,type);
	 if(rc!=APR_SUCCESS)
	 	return -1;
	 return APR_SUCCESS;     
}

int ap_proxy_decode_unix_format_directory_list(char *data,char *name,int *type,char *size,char *time,char *purview)
{
       char *p=NULL;
	char *q=NULL;
	int len=0;
	int temp_len=0;
	int flag=FALSE;
	char *search=NULL;
	int count=0;
       int rc=0;
       
	p=data;
	if(p[0]=='d'||p[0]=='l')
	   {
		 flag=TRUE;
		 if(p[0]=='d')
		     *type=0;
		 else
		     *type=10;
	   }
	/*decode purview*/
	p++;
	q=p;
	len=0;
	while(*p&&*p!=' ')
	   {
		 p++;
		 len++;
	   }
	if(len!=9)
		return -1;
	memcpy(purview,q,len);
	/*decode size*/
       p++;
       while(*p&&*p==' ')
	   	p++;

	q=p;
	count=0;
	while(*p)
          {
		  search=strchr(p,' ');
	         if(search==NULL)
			 return -1;
		  p=search+1;
		  count++;
		  while(*p&&*p==' ')
			p++;
		  if(count==3)
			break;
	    }
	
       /*decode size*/
	q=p;
	len=0;
	while(*p&&*p!=' ')
	    {
	          p++;
		   len++;
	    }
	if(len>32)
		return -1;
	memcpy(size,q,len);
	rc=ap_proxy_format_size(size);
	if(rc!=APR_SUCCESS)
		return -1;
	/*decode time*/
	p++;
	while(*p&&*p==' ')
	   	p++;
	q=p;
	len=0;
	temp_len=0;
	while(*p&&*p!=' ')
	   {
	        p++;
		 len++;
	   }
	if(len>32)
		return -1;
	memcpy(time,q,len);
	time[len]=' ';
	len++;

	p++;
	while(*p&&*p==' ')
		p++;
	q=p;
	temp_len=0;
	while(*p&&*p!=' ')
	   {
	        p++;
		 temp_len++;
	   }
	if((len+temp_len)>32)
		return -1;
	
	memcpy(time+len,q,temp_len);
	len+=temp_len;
	time[len]=' ';
	len++;

	p++;
	while(*p&&*p==' ')
		p++;
	q=p;
	temp_len=0;
	while(*p&&*p!=' ')
	   {
	        p++;
		 temp_len++;
	   }
	if((len+temp_len)>32)
		return -1;
	memcpy(time+len,q,temp_len);

       p++;
	while(*p&&(*p==' '))
		 p++;			  
        len=0;
        q=p;
        while(*p)
	    {
	         if(data[0]=='l')
	            {
	         	   if((*p==13&&*(p+1)==10)||(*p==' '&&*(p+1)=='-'&&*(p+2)=='>'))
				break;
	            }
		  else
		  	{
		  	      if(*p==13&&*(p+1)==10)
		             break;
		  	}	  
		  p++;
		  len++;
	    }
	 if(len>255)
	 	return -1;
	 memcpy(name,q,len);
	 if(flag==TRUE)
	 	return APR_SUCCESS;

	 rc=ap_proxy_decode_file_type(name,len,type);
	 if(rc!=APR_SUCCESS)
	 	return -1;
	 return APR_SUCCESS;
}

int ap_proxy_decode_directory_list_oneline_info(char *data,char *name,int *type,char *size,char *time,char *purview)
{
       char *p=NULL;
	int rc=0;
	
	if(!data||!name||!type||!size||!time||!purview)
		return -1;
	p=data;

	/*format is right?*/
	if(!(p[0]=='d'||p[0]=='-'||p[0]=='l'||apr_isdigit(p[0])))
		return -1;

	if(apr_isdigit(p[0])) /*MS-DOS*/
		{
		      rc=ap_proxy_decode_dos_format_directory_list(data,name,type,size, time);
		      if(rc!=APR_SUCCESS)
			  	return -1;
		      memcpy(purview,"未知权限",sizeof("未知权限"));
		}
	else     /*UNIX*/
		{
		      rc=ap_proxy_decode_unix_format_directory_list(data,name,type,size,time,purview);
		      if(rc!=APR_SUCCESS)
			  	return -1;
		}	
	return APR_SUCCESS;
}

int ap_proxy_get_mime_boundary(request_rec *r,char *boundary)
{
       char *regex="boundary=([^;[:space:]]+)";
	regex_t preg;  
       regmatch_t pMatch[2];
	int result=0;
    	const char *content_type = apr_table_get(r->headers_in, "Content-Type");

       if(content_type==NULL)
		return HTTP_INTERNAL_SERVER_ERROR;

       if(!strstr(content_type,"multipart/form-data"))
	   	return HTTP_NOT_IMPLEMENTED;

       memset((char *)&preg,0,sizeof(preg));
       if(regcomp(&preg,regex,REG_ICASE | REG_EXTENDED)!=0)
      	       return HTTP_INTERNAL_SERVER_ERROR; 

       memset((char *)pMatch,0,sizeof(pMatch));
	result=regexec(&preg,content_type,2,pMatch,0);
	if(result)
	    {
	          regfree(&preg);
		   return HTTP_NOT_IMPLEMENTED;
	    }

	if((pMatch[1].rm_so==-1)||(pMatch[1].rm_eo-pMatch[1].rm_so)>98)
	    {
	         regfree(&preg);
		  return HTTP_NOT_IMPLEMENTED;
	    }

       memcpy(boundary,"--",strlen("--"));
	memcpy(boundary+strlen(boundary),content_type+pMatch[1].rm_so,pMatch[1].rm_eo-pMatch[1].rm_so);
       regfree(&preg);
	return APR_SUCCESS;
}

/*
1--buildfolder
2--delete
3--rename
4--upload
*/
int ap_proxy_get_ftp_write_request_type(char *data,int *type)
{
      char *start=NULL;
      char *end=NULL;
      int name_len=0;

      start=data;	  
      start=strstr(start,"name=\"");
      if(!start)
		return HTTP_NOT_IMPLEMENTED;

      start+=strlen("name=\"");
      end=start;
      name_len=0;
      while((*end)&&(*end!='\"')&&!isspace(*end)&&(*end!=';'))
	    {
		   name_len++;
		   end++;
	    }
	
	if(*end!='\"')
		return HTTP_NOT_IMPLEMENTED;
	
	if(name_len==strlen("foldername")&&strncmp(start,"foldername",name_len)==0)
	    {
		  *type=FTP_MAKE_FOLDER;
		  return APR_SUCCESS;
	    }
	else if(name_len==strlen("deletename")&&strncmp(start,"deletename",name_len)==0)
	    {
		  *type=FTP_DELETE_FILE;
		  return APR_SUCCESS;
	    }
	else if(name_len==strlen("oldname")&&strncmp(start,"oldname",name_len)==0)
	    {
		  *type=FTP_RENAME_FILE;
		  return APR_SUCCESS;
	     }
	else if(name_len==strlen("uploadfilename")&&strncmp(start,"uploadfilename",name_len)==0)
	    {
		  *type=FTP_UPLOAD_FILE;
		  return APR_SUCCESS;
	    }
	else
	    *type=0;
	
	return HTTP_NOT_IMPLEMENTED;
}

int ap_proxy_get_ftp_build_folder_request_info(char *data,char *boundary,char *folder_name)
{
      char *start=NULL;
      char *end=NULL;	  
      int len=0;
	  
      if(data==NULL||boundary==NULL||folder_name==NULL)
	    return HTTP_INTERNAL_SERVER_ERROR;
	  
      start=data;
      /*find CRLFCRLF*/	  
      while(*start)
          {
		 if(*start==13&&*(start+1)==10&&*(start+2)==13&&*(start+3)==10)
		      break;
		 start++;
	   }

       start+=4;

	end=strstr(start,boundary);
	if(!end||end<=start)
              return HTTP_NOT_IMPLEMENTED;
	
       len=end-2-start;
       if(len>32||len<=0)
	       return HTTP_NOT_IMPLEMENTED;
  
       memcpy(folder_name,start,len);
       return APR_SUCCESS;
}

int ap_proxy_get_ftp_delete_request_info(char *data,char *boundary,char *delete_info)
{
      char *start=NULL;
      char *end=NULL;	  
      int len=0;
	  
      if(data==NULL||boundary==NULL||delete_info==NULL)
	    return HTTP_INTERNAL_SERVER_ERROR;
	  
      start=data;
      /*find CRLFCRLF*/	  
      while(*start)
          {
		 if(*start==13&&*(start+1)==10&&*(start+2)==13&&*(start+3)==10)
		      break;
		 start++;
	   }

       start+=4;

	end=strstr(start,boundary);
	if(!end||end<=start)
              return HTTP_NOT_IMPLEMENTED;
	
       len=end-2-start;
       if(len>HUGE_STRING_LEN||len<=0)
	       return HTTP_NOT_IMPLEMENTED;
  
       memcpy(delete_info,start,len);
       return APR_SUCCESS;
}

int ap_proxy_get_ftp_rename_request_info(char *data,char *boundary,char *oldname,char *newname)
{
      char *start=NULL;
      char *end=NULL;	  
      int len=0;
	  
      if(data==NULL||boundary==NULL||oldname==NULL||newname==NULL)
	    return HTTP_INTERNAL_SERVER_ERROR;
	  
      start=data;
      /*find CRLFCRLF*/	  
      while(*start)
          {
		 if(*start==13&&*(start+1)==10&&*(start+2)==13&&*(start+3)==10)
		      break;
		 start++;
	   }
	  
       start+=4;
	end=strstr(start,boundary);